1 /*- 2 * Copyright (c) 2011 Chelsio Communications, Inc. 3 * All rights reserved. 4 * Written by: Navdeep Parhar <np@FreeBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include "opt_ddb.h" 32 #include "opt_inet.h" 33 #include "opt_inet6.h" 34 #include "opt_rss.h" 35 36 #include <sys/param.h> 37 #include <sys/conf.h> 38 #include <sys/priv.h> 39 #include <sys/kernel.h> 40 #include <sys/bus.h> 41 #include <sys/module.h> 42 #include <sys/malloc.h> 43 #include <sys/queue.h> 44 #include <sys/taskqueue.h> 45 #include <sys/pciio.h> 46 #include <dev/pci/pcireg.h> 47 #include <dev/pci/pcivar.h> 48 #include <dev/pci/pci_private.h> 49 #include <sys/firmware.h> 50 #include <sys/sbuf.h> 51 #include <sys/smp.h> 52 #include <sys/socket.h> 53 #include <sys/sockio.h> 54 #include <sys/sysctl.h> 55 #include <net/ethernet.h> 56 #include <net/if.h> 57 #include <net/if_types.h> 58 #include <net/if_dl.h> 59 #include <net/if_vlan_var.h> 60 #ifdef RSS 61 #include <net/rss_config.h> 62 #endif 63 #if defined(__i386__) || defined(__amd64__) 64 #include <vm/vm.h> 65 #include <vm/pmap.h> 66 #endif 67 #ifdef DDB 68 #include <ddb/ddb.h> 69 #include <ddb/db_lex.h> 70 #endif 71 72 #include "common/common.h" 73 #include "common/t4_msg.h" 74 #include "common/t4_regs.h" 75 #include "common/t4_regs_values.h" 76 #include "cudbg/cudbg.h" 77 #include "t4_ioctl.h" 78 #include "t4_l2t.h" 79 #include "t4_mp_ring.h" 80 #include "t4_if.h" 81 82 /* T4 bus driver interface */ 83 static int t4_probe(device_t); 84 static int t4_attach(device_t); 85 static int t4_detach(device_t); 86 static int t4_ready(device_t); 87 static int t4_read_port_device(device_t, int, device_t *); 88 static device_method_t t4_methods[] = { 89 DEVMETHOD(device_probe, t4_probe), 90 DEVMETHOD(device_attach, t4_attach), 91 DEVMETHOD(device_detach, t4_detach), 92 93 DEVMETHOD(t4_is_main_ready, t4_ready), 94 DEVMETHOD(t4_read_port_device, t4_read_port_device), 95 96 DEVMETHOD_END 97 }; 98 static driver_t t4_driver = { 99 "t4nex", 100 t4_methods, 101 sizeof(struct adapter) 102 }; 103 104 105 /* T4 port (cxgbe) interface */ 106 static int cxgbe_probe(device_t); 107 static int cxgbe_attach(device_t); 108 static int cxgbe_detach(device_t); 109 device_method_t cxgbe_methods[] = { 110 DEVMETHOD(device_probe, cxgbe_probe), 111 DEVMETHOD(device_attach, cxgbe_attach), 112 DEVMETHOD(device_detach, cxgbe_detach), 113 { 0, 0 } 114 }; 115 static driver_t cxgbe_driver = { 116 "cxgbe", 117 cxgbe_methods, 118 sizeof(struct port_info) 119 }; 120 121 /* T4 VI (vcxgbe) interface */ 122 static int vcxgbe_probe(device_t); 123 static int vcxgbe_attach(device_t); 124 static int vcxgbe_detach(device_t); 125 static device_method_t vcxgbe_methods[] = { 126 DEVMETHOD(device_probe, vcxgbe_probe), 127 DEVMETHOD(device_attach, vcxgbe_attach), 128 DEVMETHOD(device_detach, vcxgbe_detach), 129 { 0, 0 } 130 }; 131 static driver_t vcxgbe_driver = { 132 "vcxgbe", 133 vcxgbe_methods, 134 sizeof(struct vi_info) 135 }; 136 137 static d_ioctl_t t4_ioctl; 138 139 static struct cdevsw t4_cdevsw = { 140 .d_version = D_VERSION, 141 .d_ioctl = t4_ioctl, 142 .d_name = "t4nex", 143 }; 144 145 /* T5 bus driver interface */ 146 static int t5_probe(device_t); 147 static device_method_t t5_methods[] = { 148 DEVMETHOD(device_probe, t5_probe), 149 DEVMETHOD(device_attach, t4_attach), 150 DEVMETHOD(device_detach, t4_detach), 151 152 DEVMETHOD(t4_is_main_ready, t4_ready), 153 DEVMETHOD(t4_read_port_device, t4_read_port_device), 154 155 DEVMETHOD_END 156 }; 157 static driver_t t5_driver = { 158 "t5nex", 159 t5_methods, 160 sizeof(struct adapter) 161 }; 162 163 164 /* T5 port (cxl) interface */ 165 static driver_t cxl_driver = { 166 "cxl", 167 cxgbe_methods, 168 sizeof(struct port_info) 169 }; 170 171 /* T5 VI (vcxl) interface */ 172 static driver_t vcxl_driver = { 173 "vcxl", 174 vcxgbe_methods, 175 sizeof(struct vi_info) 176 }; 177 178 /* T6 bus driver interface */ 179 static int t6_probe(device_t); 180 static device_method_t t6_methods[] = { 181 DEVMETHOD(device_probe, t6_probe), 182 DEVMETHOD(device_attach, t4_attach), 183 DEVMETHOD(device_detach, t4_detach), 184 185 DEVMETHOD(t4_is_main_ready, t4_ready), 186 DEVMETHOD(t4_read_port_device, t4_read_port_device), 187 188 DEVMETHOD_END 189 }; 190 static driver_t t6_driver = { 191 "t6nex", 192 t6_methods, 193 sizeof(struct adapter) 194 }; 195 196 197 /* T6 port (cc) interface */ 198 static driver_t cc_driver = { 199 "cc", 200 cxgbe_methods, 201 sizeof(struct port_info) 202 }; 203 204 /* T6 VI (vcc) interface */ 205 static driver_t vcc_driver = { 206 "vcc", 207 vcxgbe_methods, 208 sizeof(struct vi_info) 209 }; 210 211 /* ifnet + media interface */ 212 static void cxgbe_init(void *); 213 static int cxgbe_ioctl(struct ifnet *, unsigned long, caddr_t); 214 static int cxgbe_transmit(struct ifnet *, struct mbuf *); 215 static void cxgbe_qflush(struct ifnet *); 216 static int cxgbe_media_change(struct ifnet *); 217 static void cxgbe_media_status(struct ifnet *, struct ifmediareq *); 218 219 MALLOC_DEFINE(M_CXGBE, "cxgbe", "Chelsio T4/T5 Ethernet driver and services"); 220 221 /* 222 * Correct lock order when you need to acquire multiple locks is t4_list_lock, 223 * then ADAPTER_LOCK, then t4_uld_list_lock. 224 */ 225 static struct sx t4_list_lock; 226 SLIST_HEAD(, adapter) t4_list; 227 #ifdef TCP_OFFLOAD 228 static struct sx t4_uld_list_lock; 229 SLIST_HEAD(, uld_info) t4_uld_list; 230 #endif 231 232 /* 233 * Tunables. See tweak_tunables() too. 234 * 235 * Each tunable is set to a default value here if it's known at compile-time. 236 * Otherwise it is set to -n as an indication to tweak_tunables() that it should 237 * provide a reasonable default (upto n) when the driver is loaded. 238 * 239 * Tunables applicable to both T4 and T5 are under hw.cxgbe. Those specific to 240 * T5 are under hw.cxl. 241 */ 242 243 /* 244 * Number of queues for tx and rx, NIC and offload. 245 */ 246 #define NTXQ 16 247 int t4_ntxq = -NTXQ; 248 TUNABLE_INT("hw.cxgbe.ntxq", &t4_ntxq); 249 TUNABLE_INT("hw.cxgbe.ntxq10g", &t4_ntxq); /* Old name, undocumented */ 250 251 #define NRXQ 8 252 int t4_nrxq = -NRXQ; 253 TUNABLE_INT("hw.cxgbe.nrxq", &t4_nrxq); 254 TUNABLE_INT("hw.cxgbe.nrxq10g", &t4_nrxq); /* Old name, undocumented */ 255 256 #define NTXQ_VI 1 257 static int t4_ntxq_vi = -NTXQ_VI; 258 TUNABLE_INT("hw.cxgbe.ntxq_vi", &t4_ntxq_vi); 259 260 #define NRXQ_VI 1 261 static int t4_nrxq_vi = -NRXQ_VI; 262 TUNABLE_INT("hw.cxgbe.nrxq_vi", &t4_nrxq_vi); 263 264 static int t4_rsrv_noflowq = 0; 265 TUNABLE_INT("hw.cxgbe.rsrv_noflowq", &t4_rsrv_noflowq); 266 267 #ifdef TCP_OFFLOAD 268 #define NOFLDTXQ 8 269 static int t4_nofldtxq = -NOFLDTXQ; 270 TUNABLE_INT("hw.cxgbe.nofldtxq", &t4_nofldtxq); 271 272 #define NOFLDRXQ 2 273 static int t4_nofldrxq = -NOFLDRXQ; 274 TUNABLE_INT("hw.cxgbe.nofldrxq", &t4_nofldrxq); 275 276 #define NOFLDTXQ_VI 1 277 static int t4_nofldtxq_vi = -NOFLDTXQ_VI; 278 TUNABLE_INT("hw.cxgbe.nofldtxq_vi", &t4_nofldtxq_vi); 279 280 #define NOFLDRXQ_VI 1 281 static int t4_nofldrxq_vi = -NOFLDRXQ_VI; 282 TUNABLE_INT("hw.cxgbe.nofldrxq_vi", &t4_nofldrxq_vi); 283 284 #define TMR_IDX_OFLD 1 285 int t4_tmr_idx_ofld = TMR_IDX_OFLD; 286 TUNABLE_INT("hw.cxgbe.holdoff_timer_idx_ofld", &t4_tmr_idx_ofld); 287 288 #define PKTC_IDX_OFLD (-1) 289 int t4_pktc_idx_ofld = PKTC_IDX_OFLD; 290 TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx_ofld", &t4_pktc_idx_ofld); 291 292 /* 0 means chip/fw default, non-zero number is value in microseconds */ 293 static u_long t4_toe_keepalive_idle = 0; 294 TUNABLE_ULONG("hw.cxgbe.toe.keepalive_idle", &t4_toe_keepalive_idle); 295 296 /* 0 means chip/fw default, non-zero number is value in microseconds */ 297 static u_long t4_toe_keepalive_interval = 0; 298 TUNABLE_ULONG("hw.cxgbe.toe.keepalive_interval", &t4_toe_keepalive_interval); 299 300 /* 0 means chip/fw default, non-zero number is # of keepalives before abort */ 301 static int t4_toe_keepalive_count = 0; 302 TUNABLE_INT("hw.cxgbe.toe.keepalive_count", &t4_toe_keepalive_count); 303 304 /* 0 means chip/fw default, non-zero number is value in microseconds */ 305 static u_long t4_toe_rexmt_min = 0; 306 TUNABLE_ULONG("hw.cxgbe.toe.rexmt_min", &t4_toe_rexmt_min); 307 308 /* 0 means chip/fw default, non-zero number is value in microseconds */ 309 static u_long t4_toe_rexmt_max = 0; 310 TUNABLE_ULONG("hw.cxgbe.toe.rexmt_max", &t4_toe_rexmt_max); 311 312 /* 0 means chip/fw default, non-zero number is # of rexmt before abort */ 313 static int t4_toe_rexmt_count = 0; 314 TUNABLE_INT("hw.cxgbe.toe.rexmt_count", &t4_toe_rexmt_count); 315 316 /* -1 means chip/fw default, other values are raw backoff values to use */ 317 static int t4_toe_rexmt_backoff[16] = { 318 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 319 }; 320 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.0", &t4_toe_rexmt_backoff[0]); 321 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.1", &t4_toe_rexmt_backoff[1]); 322 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.2", &t4_toe_rexmt_backoff[2]); 323 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.3", &t4_toe_rexmt_backoff[3]); 324 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.4", &t4_toe_rexmt_backoff[4]); 325 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.5", &t4_toe_rexmt_backoff[5]); 326 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.6", &t4_toe_rexmt_backoff[6]); 327 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.7", &t4_toe_rexmt_backoff[7]); 328 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.8", &t4_toe_rexmt_backoff[8]); 329 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.9", &t4_toe_rexmt_backoff[9]); 330 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.10", &t4_toe_rexmt_backoff[10]); 331 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.11", &t4_toe_rexmt_backoff[11]); 332 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.12", &t4_toe_rexmt_backoff[12]); 333 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.13", &t4_toe_rexmt_backoff[13]); 334 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.14", &t4_toe_rexmt_backoff[14]); 335 TUNABLE_INT("hw.cxgbe.toe.rexmt_backoff.15", &t4_toe_rexmt_backoff[15]); 336 #endif 337 338 #ifdef DEV_NETMAP 339 #define NNMTXQ_VI 2 340 static int t4_nnmtxq_vi = -NNMTXQ_VI; 341 TUNABLE_INT("hw.cxgbe.nnmtxq_vi", &t4_nnmtxq_vi); 342 343 #define NNMRXQ_VI 2 344 static int t4_nnmrxq_vi = -NNMRXQ_VI; 345 TUNABLE_INT("hw.cxgbe.nnmrxq_vi", &t4_nnmrxq_vi); 346 #endif 347 348 /* 349 * Holdoff parameters for ports. 350 */ 351 #define TMR_IDX 1 352 int t4_tmr_idx = TMR_IDX; 353 TUNABLE_INT("hw.cxgbe.holdoff_timer_idx", &t4_tmr_idx); 354 355 #define PKTC_IDX (-1) 356 int t4_pktc_idx = PKTC_IDX; 357 TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx", &t4_pktc_idx); 358 359 /* 360 * Size (# of entries) of each tx and rx queue. 361 */ 362 unsigned int t4_qsize_txq = TX_EQ_QSIZE; 363 TUNABLE_INT("hw.cxgbe.qsize_txq", &t4_qsize_txq); 364 365 unsigned int t4_qsize_rxq = RX_IQ_QSIZE; 366 TUNABLE_INT("hw.cxgbe.qsize_rxq", &t4_qsize_rxq); 367 368 /* 369 * Interrupt types allowed (bits 0, 1, 2 = INTx, MSI, MSI-X respectively). 370 */ 371 int t4_intr_types = INTR_MSIX | INTR_MSI | INTR_INTX; 372 TUNABLE_INT("hw.cxgbe.interrupt_types", &t4_intr_types); 373 374 /* 375 * Configuration file. 376 */ 377 #define DEFAULT_CF "default" 378 #define FLASH_CF "flash" 379 #define UWIRE_CF "uwire" 380 #define FPGA_CF "fpga" 381 static char t4_cfg_file[32] = DEFAULT_CF; 382 TUNABLE_STR("hw.cxgbe.config_file", t4_cfg_file, sizeof(t4_cfg_file)); 383 384 /* 385 * PAUSE settings (bit 0, 1 = rx_pause, tx_pause respectively). 386 * rx_pause = 1 to heed incoming PAUSE frames, 0 to ignore them. 387 * tx_pause = 1 to emit PAUSE frames when the rx FIFO reaches its high water 388 * mark or when signalled to do so, 0 to never emit PAUSE. 389 */ 390 static int t4_pause_settings = PAUSE_TX | PAUSE_RX; 391 TUNABLE_INT("hw.cxgbe.pause_settings", &t4_pause_settings); 392 393 /* 394 * Forward Error Correction settings (bit 0, 1, 2 = FEC_RS, FEC_BASER_RS, 395 * FEC_RESERVED respectively). 396 * -1 to run with the firmware default. 397 * 0 to disable FEC. 398 */ 399 static int t4_fec = -1; 400 TUNABLE_INT("hw.cxgbe.fec", &t4_fec); 401 402 /* 403 * Link autonegotiation. 404 * -1 to run with the firmware default. 405 * 0 to disable. 406 * 1 to enable. 407 */ 408 static int t4_autoneg = -1; 409 TUNABLE_INT("hw.cxgbe.autoneg", &t4_autoneg); 410 411 /* 412 * Firmware auto-install by driver during attach (0, 1, 2 = prohibited, allowed, 413 * encouraged respectively). 414 */ 415 static unsigned int t4_fw_install = 1; 416 TUNABLE_INT("hw.cxgbe.fw_install", &t4_fw_install); 417 418 /* 419 * ASIC features that will be used. Disable the ones you don't want so that the 420 * chip resources aren't wasted on features that will not be used. 421 */ 422 static int t4_nbmcaps_allowed = 0; 423 TUNABLE_INT("hw.cxgbe.nbmcaps_allowed", &t4_nbmcaps_allowed); 424 425 static int t4_linkcaps_allowed = 0; /* No DCBX, PPP, etc. by default */ 426 TUNABLE_INT("hw.cxgbe.linkcaps_allowed", &t4_linkcaps_allowed); 427 428 static int t4_switchcaps_allowed = FW_CAPS_CONFIG_SWITCH_INGRESS | 429 FW_CAPS_CONFIG_SWITCH_EGRESS; 430 TUNABLE_INT("hw.cxgbe.switchcaps_allowed", &t4_switchcaps_allowed); 431 432 static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC; 433 TUNABLE_INT("hw.cxgbe.niccaps_allowed", &t4_niccaps_allowed); 434 435 static int t4_toecaps_allowed = -1; 436 TUNABLE_INT("hw.cxgbe.toecaps_allowed", &t4_toecaps_allowed); 437 438 static int t4_rdmacaps_allowed = -1; 439 TUNABLE_INT("hw.cxgbe.rdmacaps_allowed", &t4_rdmacaps_allowed); 440 441 static int t4_cryptocaps_allowed = -1; 442 TUNABLE_INT("hw.cxgbe.cryptocaps_allowed", &t4_cryptocaps_allowed); 443 444 static int t4_iscsicaps_allowed = -1; 445 TUNABLE_INT("hw.cxgbe.iscsicaps_allowed", &t4_iscsicaps_allowed); 446 447 static int t4_fcoecaps_allowed = 0; 448 TUNABLE_INT("hw.cxgbe.fcoecaps_allowed", &t4_fcoecaps_allowed); 449 450 static int t5_write_combine = 0; 451 TUNABLE_INT("hw.cxl.write_combine", &t5_write_combine); 452 453 static int t4_num_vis = 1; 454 TUNABLE_INT("hw.cxgbe.num_vis", &t4_num_vis); 455 456 /* Functions used by VIs to obtain unique MAC addresses for each VI. */ 457 static int vi_mac_funcs[] = { 458 FW_VI_FUNC_ETH, 459 FW_VI_FUNC_OFLD, 460 FW_VI_FUNC_IWARP, 461 FW_VI_FUNC_OPENISCSI, 462 FW_VI_FUNC_OPENFCOE, 463 FW_VI_FUNC_FOISCSI, 464 FW_VI_FUNC_FOFCOE, 465 }; 466 467 struct intrs_and_queues { 468 uint16_t intr_type; /* INTx, MSI, or MSI-X */ 469 uint16_t num_vis; /* number of VIs for each port */ 470 uint16_t nirq; /* Total # of vectors */ 471 uint16_t intr_flags; /* Interrupt flags for each port */ 472 uint16_t ntxq; /* # of NIC txq's for each port */ 473 uint16_t nrxq; /* # of NIC rxq's for each port */ 474 uint16_t nofldtxq; /* # of TOE txq's for each port */ 475 uint16_t nofldrxq; /* # of TOE rxq's for each port */ 476 477 /* The vcxgbe/vcxl interfaces use these and not the ones above. */ 478 uint16_t ntxq_vi; /* # of NIC txq's */ 479 uint16_t nrxq_vi; /* # of NIC rxq's */ 480 uint16_t nofldtxq_vi; /* # of TOE txq's */ 481 uint16_t nofldrxq_vi; /* # of TOE rxq's */ 482 uint16_t nnmtxq_vi; /* # of netmap txq's */ 483 uint16_t nnmrxq_vi; /* # of netmap rxq's */ 484 }; 485 486 struct filter_entry { 487 uint32_t valid:1; /* filter allocated and valid */ 488 uint32_t locked:1; /* filter is administratively locked */ 489 uint32_t pending:1; /* filter action is pending firmware reply */ 490 uint32_t smtidx:8; /* Source MAC Table index for smac */ 491 struct l2t_entry *l2t; /* Layer Two Table entry for dmac */ 492 493 struct t4_filter_specification fs; 494 }; 495 496 static void setup_memwin(struct adapter *); 497 static void position_memwin(struct adapter *, int, uint32_t); 498 static int rw_via_memwin(struct adapter *, int, uint32_t, uint32_t *, int, int); 499 static inline int read_via_memwin(struct adapter *, int, uint32_t, uint32_t *, 500 int); 501 static inline int write_via_memwin(struct adapter *, int, uint32_t, 502 const uint32_t *, int); 503 static int validate_mem_range(struct adapter *, uint32_t, int); 504 static int fwmtype_to_hwmtype(int); 505 static int validate_mt_off_len(struct adapter *, int, uint32_t, int, 506 uint32_t *); 507 static int fixup_devlog_params(struct adapter *); 508 static int cfg_itype_and_nqueues(struct adapter *, struct intrs_and_queues *); 509 static int prep_firmware(struct adapter *); 510 static int partition_resources(struct adapter *, const struct firmware *, 511 const char *); 512 static int get_params__pre_init(struct adapter *); 513 static int get_params__post_init(struct adapter *); 514 static int set_params__post_init(struct adapter *); 515 static void t4_set_desc(struct adapter *); 516 static void build_medialist(struct port_info *, struct ifmedia *); 517 static void init_l1cfg(struct port_info *); 518 static int cxgbe_init_synchronized(struct vi_info *); 519 static int cxgbe_uninit_synchronized(struct vi_info *); 520 static void quiesce_txq(struct adapter *, struct sge_txq *); 521 static void quiesce_wrq(struct adapter *, struct sge_wrq *); 522 static void quiesce_iq(struct adapter *, struct sge_iq *); 523 static void quiesce_fl(struct adapter *, struct sge_fl *); 524 static int t4_alloc_irq(struct adapter *, struct irq *, int rid, 525 driver_intr_t *, void *, char *); 526 static int t4_free_irq(struct adapter *, struct irq *); 527 static void get_regs(struct adapter *, struct t4_regdump *, uint8_t *); 528 static void vi_refresh_stats(struct adapter *, struct vi_info *); 529 static void cxgbe_refresh_stats(struct adapter *, struct port_info *); 530 static void cxgbe_tick(void *); 531 static void cxgbe_vlan_config(void *, struct ifnet *, uint16_t); 532 static void cxgbe_sysctls(struct port_info *); 533 static int sysctl_int_array(SYSCTL_HANDLER_ARGS); 534 static int sysctl_bitfield(SYSCTL_HANDLER_ARGS); 535 static int sysctl_btphy(SYSCTL_HANDLER_ARGS); 536 static int sysctl_noflowq(SYSCTL_HANDLER_ARGS); 537 static int sysctl_holdoff_tmr_idx(SYSCTL_HANDLER_ARGS); 538 static int sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS); 539 static int sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS); 540 static int sysctl_qsize_txq(SYSCTL_HANDLER_ARGS); 541 static int sysctl_pause_settings(SYSCTL_HANDLER_ARGS); 542 static int sysctl_fec(SYSCTL_HANDLER_ARGS); 543 static int sysctl_autoneg(SYSCTL_HANDLER_ARGS); 544 static int sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS); 545 static int sysctl_temperature(SYSCTL_HANDLER_ARGS); 546 #ifdef SBUF_DRAIN 547 static int sysctl_cctrl(SYSCTL_HANDLER_ARGS); 548 static int sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS); 549 static int sysctl_cim_la(SYSCTL_HANDLER_ARGS); 550 static int sysctl_cim_la_t6(SYSCTL_HANDLER_ARGS); 551 static int sysctl_cim_ma_la(SYSCTL_HANDLER_ARGS); 552 static int sysctl_cim_pif_la(SYSCTL_HANDLER_ARGS); 553 static int sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS); 554 static int sysctl_cpl_stats(SYSCTL_HANDLER_ARGS); 555 static int sysctl_ddp_stats(SYSCTL_HANDLER_ARGS); 556 static int sysctl_devlog(SYSCTL_HANDLER_ARGS); 557 static int sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS); 558 static int sysctl_hw_sched(SYSCTL_HANDLER_ARGS); 559 static int sysctl_lb_stats(SYSCTL_HANDLER_ARGS); 560 static int sysctl_linkdnrc(SYSCTL_HANDLER_ARGS); 561 static int sysctl_meminfo(SYSCTL_HANDLER_ARGS); 562 static int sysctl_mps_tcam(SYSCTL_HANDLER_ARGS); 563 static int sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS); 564 static int sysctl_path_mtus(SYSCTL_HANDLER_ARGS); 565 static int sysctl_pm_stats(SYSCTL_HANDLER_ARGS); 566 static int sysctl_rdma_stats(SYSCTL_HANDLER_ARGS); 567 static int sysctl_tcp_stats(SYSCTL_HANDLER_ARGS); 568 static int sysctl_tids(SYSCTL_HANDLER_ARGS); 569 static int sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS); 570 static int sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS); 571 static int sysctl_tp_la(SYSCTL_HANDLER_ARGS); 572 static int sysctl_tx_rate(SYSCTL_HANDLER_ARGS); 573 static int sysctl_ulprx_la(SYSCTL_HANDLER_ARGS); 574 static int sysctl_wcwr_stats(SYSCTL_HANDLER_ARGS); 575 static int sysctl_tc_params(SYSCTL_HANDLER_ARGS); 576 #endif 577 #ifdef TCP_OFFLOAD 578 static int sysctl_tp_tick(SYSCTL_HANDLER_ARGS); 579 static int sysctl_tp_dack_timer(SYSCTL_HANDLER_ARGS); 580 static int sysctl_tp_timer(SYSCTL_HANDLER_ARGS); 581 static int sysctl_tp_shift_cnt(SYSCTL_HANDLER_ARGS); 582 static int sysctl_tp_backoff(SYSCTL_HANDLER_ARGS); 583 static int sysctl_holdoff_tmr_idx_ofld(SYSCTL_HANDLER_ARGS); 584 static int sysctl_holdoff_pktc_idx_ofld(SYSCTL_HANDLER_ARGS); 585 #endif 586 static uint32_t fconf_iconf_to_mode(uint32_t, uint32_t); 587 static uint32_t mode_to_fconf(uint32_t); 588 static uint32_t mode_to_iconf(uint32_t); 589 static int check_fspec_against_fconf_iconf(struct adapter *, 590 struct t4_filter_specification *); 591 static int get_filter_mode(struct adapter *, uint32_t *); 592 static int set_filter_mode(struct adapter *, uint32_t); 593 static inline uint64_t get_filter_hits(struct adapter *, uint32_t); 594 static int get_filter(struct adapter *, struct t4_filter *); 595 static int set_filter(struct adapter *, struct t4_filter *); 596 static int del_filter(struct adapter *, struct t4_filter *); 597 static void clear_filter(struct filter_entry *); 598 static int set_filter_wr(struct adapter *, int); 599 static int del_filter_wr(struct adapter *, int); 600 static int set_tcb_rpl(struct sge_iq *, const struct rss_header *, 601 struct mbuf *); 602 static int get_sge_context(struct adapter *, struct t4_sge_context *); 603 static int load_fw(struct adapter *, struct t4_data *); 604 static int load_cfg(struct adapter *, struct t4_data *); 605 static int load_boot(struct adapter *, struct t4_bootrom *); 606 static int load_bootcfg(struct adapter *, struct t4_data *); 607 static int cudbg_dump(struct adapter *, struct t4_cudbg_dump *); 608 static int read_card_mem(struct adapter *, int, struct t4_mem_range *); 609 static int read_i2c(struct adapter *, struct t4_i2c_data *); 610 #ifdef TCP_OFFLOAD 611 static int toe_capability(struct vi_info *, int); 612 #endif 613 static int mod_event(module_t, int, void *); 614 static int notify_siblings(device_t, int); 615 616 struct { 617 uint16_t device; 618 char *desc; 619 } t4_pciids[] = { 620 {0xa000, "Chelsio Terminator 4 FPGA"}, 621 {0x4400, "Chelsio T440-dbg"}, 622 {0x4401, "Chelsio T420-CR"}, 623 {0x4402, "Chelsio T422-CR"}, 624 {0x4403, "Chelsio T440-CR"}, 625 {0x4404, "Chelsio T420-BCH"}, 626 {0x4405, "Chelsio T440-BCH"}, 627 {0x4406, "Chelsio T440-CH"}, 628 {0x4407, "Chelsio T420-SO"}, 629 {0x4408, "Chelsio T420-CX"}, 630 {0x4409, "Chelsio T420-BT"}, 631 {0x440a, "Chelsio T404-BT"}, 632 {0x440e, "Chelsio T440-LP-CR"}, 633 }, t5_pciids[] = { 634 {0xb000, "Chelsio Terminator 5 FPGA"}, 635 {0x5400, "Chelsio T580-dbg"}, 636 {0x5401, "Chelsio T520-CR"}, /* 2 x 10G */ 637 {0x5402, "Chelsio T522-CR"}, /* 2 x 10G, 2 X 1G */ 638 {0x5403, "Chelsio T540-CR"}, /* 4 x 10G */ 639 {0x5407, "Chelsio T520-SO"}, /* 2 x 10G, nomem */ 640 {0x5409, "Chelsio T520-BT"}, /* 2 x 10GBaseT */ 641 {0x540a, "Chelsio T504-BT"}, /* 4 x 1G */ 642 {0x540d, "Chelsio T580-CR"}, /* 2 x 40G */ 643 {0x540e, "Chelsio T540-LP-CR"}, /* 4 x 10G */ 644 {0x5410, "Chelsio T580-LP-CR"}, /* 2 x 40G */ 645 {0x5411, "Chelsio T520-LL-CR"}, /* 2 x 10G */ 646 {0x5412, "Chelsio T560-CR"}, /* 1 x 40G, 2 x 10G */ 647 {0x5414, "Chelsio T580-LP-SO-CR"}, /* 2 x 40G, nomem */ 648 {0x5415, "Chelsio T502-BT"}, /* 2 x 1G */ 649 #ifdef notyet 650 {0x5404, "Chelsio T520-BCH"}, 651 {0x5405, "Chelsio T540-BCH"}, 652 {0x5406, "Chelsio T540-CH"}, 653 {0x5408, "Chelsio T520-CX"}, 654 {0x540b, "Chelsio B520-SR"}, 655 {0x540c, "Chelsio B504-BT"}, 656 {0x540f, "Chelsio Amsterdam"}, 657 {0x5413, "Chelsio T580-CHR"}, 658 #endif 659 }, t6_pciids[] = { 660 {0xc006, "Chelsio Terminator 6 FPGA"}, /* T6 PE10K6 FPGA (PF0) */ 661 {0x6400, "Chelsio T6-DBG-25"}, /* 2 x 10/25G, debug */ 662 {0x6401, "Chelsio T6225-CR"}, /* 2 x 10/25G */ 663 {0x6402, "Chelsio T6225-SO-CR"}, /* 2 x 10/25G, nomem */ 664 {0x6403, "Chelsio T6425-CR"}, /* 4 x 10/25G */ 665 {0x6404, "Chelsio T6425-SO-CR"}, /* 4 x 10/25G, nomem */ 666 {0x6405, "Chelsio T6225-OCP-SO"}, /* 2 x 10/25G, nomem */ 667 {0x6406, "Chelsio T62100-OCP-SO"}, /* 2 x 40/50/100G, nomem */ 668 {0x6407, "Chelsio T62100-LP-CR"}, /* 2 x 40/50/100G */ 669 {0x6408, "Chelsio T62100-SO-CR"}, /* 2 x 40/50/100G, nomem */ 670 {0x6409, "Chelsio T6210-BT"}, /* 2 x 10GBASE-T */ 671 {0x640d, "Chelsio T62100-CR"}, /* 2 x 40/50/100G */ 672 {0x6410, "Chelsio T6-DBG-100"}, /* 2 x 40/50/100G, debug */ 673 {0x6411, "Chelsio T6225-LL-CR"}, /* 2 x 10/25G */ 674 {0x6414, "Chelsio T61100-OCP-SO"}, /* 1 x 40/50/100G, nomem */ 675 {0x6415, "Chelsio T6201-BT"}, /* 2 x 1000BASE-T */ 676 677 /* Custom */ 678 {0x6480, "Chelsio T6225 80"}, 679 {0x6481, "Chelsio T62100 81"}, 680 }; 681 682 #ifdef TCP_OFFLOAD 683 /* 684 * service_iq() has an iq and needs the fl. Offset of fl from the iq should be 685 * exactly the same for both rxq and ofld_rxq. 686 */ 687 CTASSERT(offsetof(struct sge_ofld_rxq, iq) == offsetof(struct sge_rxq, iq)); 688 CTASSERT(offsetof(struct sge_ofld_rxq, fl) == offsetof(struct sge_rxq, fl)); 689 #endif 690 CTASSERT(sizeof(struct cluster_metadata) <= CL_METADATA_SIZE); 691 692 static int 693 t4_probe(device_t dev) 694 { 695 int i; 696 uint16_t v = pci_get_vendor(dev); 697 uint16_t d = pci_get_device(dev); 698 uint8_t f = pci_get_function(dev); 699 700 if (v != PCI_VENDOR_ID_CHELSIO) 701 return (ENXIO); 702 703 /* Attach only to PF0 of the FPGA */ 704 if (d == 0xa000 && f != 0) 705 return (ENXIO); 706 707 for (i = 0; i < nitems(t4_pciids); i++) { 708 if (d == t4_pciids[i].device) { 709 device_set_desc(dev, t4_pciids[i].desc); 710 return (BUS_PROBE_DEFAULT); 711 } 712 } 713 714 return (ENXIO); 715 } 716 717 static int 718 t5_probe(device_t dev) 719 { 720 int i; 721 uint16_t v = pci_get_vendor(dev); 722 uint16_t d = pci_get_device(dev); 723 uint8_t f = pci_get_function(dev); 724 725 if (v != PCI_VENDOR_ID_CHELSIO) 726 return (ENXIO); 727 728 /* Attach only to PF0 of the FPGA */ 729 if (d == 0xb000 && f != 0) 730 return (ENXIO); 731 732 for (i = 0; i < nitems(t5_pciids); i++) { 733 if (d == t5_pciids[i].device) { 734 device_set_desc(dev, t5_pciids[i].desc); 735 return (BUS_PROBE_DEFAULT); 736 } 737 } 738 739 return (ENXIO); 740 } 741 742 static int 743 t6_probe(device_t dev) 744 { 745 int i; 746 uint16_t v = pci_get_vendor(dev); 747 uint16_t d = pci_get_device(dev); 748 749 if (v != PCI_VENDOR_ID_CHELSIO) 750 return (ENXIO); 751 752 for (i = 0; i < nitems(t6_pciids); i++) { 753 if (d == t6_pciids[i].device) { 754 device_set_desc(dev, t6_pciids[i].desc); 755 return (BUS_PROBE_DEFAULT); 756 } 757 } 758 759 return (ENXIO); 760 } 761 762 static void 763 t5_attribute_workaround(device_t dev) 764 { 765 device_t root_port; 766 uint32_t v; 767 768 /* 769 * The T5 chips do not properly echo the No Snoop and Relaxed 770 * Ordering attributes when replying to a TLP from a Root 771 * Port. As a workaround, find the parent Root Port and 772 * disable No Snoop and Relaxed Ordering. Note that this 773 * affects all devices under this root port. 774 */ 775 root_port = pci_find_pcie_root_port(dev); 776 if (root_port == NULL) { 777 device_printf(dev, "Unable to find parent root port\n"); 778 return; 779 } 780 781 v = pcie_adjust_config(root_port, PCIER_DEVICE_CTL, 782 PCIEM_CTL_RELAXED_ORD_ENABLE | PCIEM_CTL_NOSNOOP_ENABLE, 0, 2); 783 if ((v & (PCIEM_CTL_RELAXED_ORD_ENABLE | PCIEM_CTL_NOSNOOP_ENABLE)) != 784 0) 785 device_printf(dev, "Disabled No Snoop/Relaxed Ordering on %s\n", 786 device_get_nameunit(root_port)); 787 } 788 789 static const struct devnames devnames[] = { 790 { 791 .nexus_name = "t4nex", 792 .ifnet_name = "cxgbe", 793 .vi_ifnet_name = "vcxgbe", 794 .pf03_drv_name = "t4iov", 795 .vf_nexus_name = "t4vf", 796 .vf_ifnet_name = "cxgbev" 797 }, { 798 .nexus_name = "t5nex", 799 .ifnet_name = "cxl", 800 .vi_ifnet_name = "vcxl", 801 .pf03_drv_name = "t5iov", 802 .vf_nexus_name = "t5vf", 803 .vf_ifnet_name = "cxlv" 804 }, { 805 .nexus_name = "t6nex", 806 .ifnet_name = "cc", 807 .vi_ifnet_name = "vcc", 808 .pf03_drv_name = "t6iov", 809 .vf_nexus_name = "t6vf", 810 .vf_ifnet_name = "ccv" 811 } 812 }; 813 814 void 815 t4_init_devnames(struct adapter *sc) 816 { 817 int id; 818 819 id = chip_id(sc); 820 if (id >= CHELSIO_T4 && id - CHELSIO_T4 < nitems(devnames)) 821 sc->names = &devnames[id - CHELSIO_T4]; 822 else { 823 device_printf(sc->dev, "chip id %d is not supported.\n", id); 824 sc->names = NULL; 825 } 826 } 827 828 static int 829 t4_attach(device_t dev) 830 { 831 struct adapter *sc; 832 int rc = 0, i, j, rqidx, tqidx, nports; 833 struct make_dev_args mda; 834 struct intrs_and_queues iaq; 835 struct sge *s; 836 uint8_t *buf; 837 #ifdef TCP_OFFLOAD 838 int ofld_rqidx, ofld_tqidx; 839 #endif 840 #ifdef DEV_NETMAP 841 int nm_rqidx, nm_tqidx; 842 #endif 843 int num_vis; 844 845 sc = device_get_softc(dev); 846 sc->dev = dev; 847 TUNABLE_INT_FETCH("hw.cxgbe.dflags", &sc->debug_flags); 848 849 if ((pci_get_device(dev) & 0xff00) == 0x5400) 850 t5_attribute_workaround(dev); 851 pci_enable_busmaster(dev); 852 if (pci_find_cap(dev, PCIY_EXPRESS, &i) == 0) { 853 uint32_t v; 854 855 pci_set_max_read_req(dev, 4096); 856 v = pci_read_config(dev, i + PCIER_DEVICE_CTL, 2); 857 v |= PCIEM_CTL_RELAXED_ORD_ENABLE; 858 pci_write_config(dev, i + PCIER_DEVICE_CTL, v, 2); 859 860 sc->params.pci.mps = 128 << ((v & PCIEM_CTL_MAX_PAYLOAD) >> 5); 861 } 862 863 sc->sge_gts_reg = MYPF_REG(A_SGE_PF_GTS); 864 sc->sge_kdoorbell_reg = MYPF_REG(A_SGE_PF_KDOORBELL); 865 sc->traceq = -1; 866 mtx_init(&sc->ifp_lock, sc->ifp_lockname, 0, MTX_DEF); 867 snprintf(sc->ifp_lockname, sizeof(sc->ifp_lockname), "%s tracer", 868 device_get_nameunit(dev)); 869 870 snprintf(sc->lockname, sizeof(sc->lockname), "%s", 871 device_get_nameunit(dev)); 872 mtx_init(&sc->sc_lock, sc->lockname, 0, MTX_DEF); 873 t4_add_adapter(sc); 874 875 mtx_init(&sc->sfl_lock, "starving freelists", 0, MTX_DEF); 876 TAILQ_INIT(&sc->sfl); 877 callout_init_mtx(&sc->sfl_callout, &sc->sfl_lock, 0); 878 879 mtx_init(&sc->reg_lock, "indirect register access", 0, MTX_DEF); 880 881 rc = t4_map_bars_0_and_4(sc); 882 if (rc != 0) 883 goto done; /* error message displayed already */ 884 885 memset(sc->chan_map, 0xff, sizeof(sc->chan_map)); 886 887 /* Prepare the adapter for operation. */ 888 buf = malloc(PAGE_SIZE, M_CXGBE, M_ZERO | M_WAITOK); 889 rc = -t4_prep_adapter(sc, buf); 890 free(buf, M_CXGBE); 891 if (rc != 0) { 892 device_printf(dev, "failed to prepare adapter: %d.\n", rc); 893 goto done; 894 } 895 896 /* 897 * This is the real PF# to which we're attaching. Works from within PCI 898 * passthrough environments too, where pci_get_function() could return a 899 * different PF# depending on the passthrough configuration. We need to 900 * use the real PF# in all our communication with the firmware. 901 */ 902 j = t4_read_reg(sc, A_PL_WHOAMI); 903 sc->pf = chip_id(sc) <= CHELSIO_T5 ? G_SOURCEPF(j) : G_T6_SOURCEPF(j); 904 sc->mbox = sc->pf; 905 906 t4_init_devnames(sc); 907 if (sc->names == NULL) { 908 rc = ENOTSUP; 909 goto done; /* error message displayed already */ 910 } 911 912 /* 913 * Do this really early, with the memory windows set up even before the 914 * character device. The userland tool's register i/o and mem read 915 * will work even in "recovery mode". 916 */ 917 setup_memwin(sc); 918 if (t4_init_devlog_params(sc, 0) == 0) 919 fixup_devlog_params(sc); 920 make_dev_args_init(&mda); 921 mda.mda_devsw = &t4_cdevsw; 922 mda.mda_uid = UID_ROOT; 923 mda.mda_gid = GID_WHEEL; 924 mda.mda_mode = 0600; 925 mda.mda_si_drv1 = sc; 926 rc = make_dev_s(&mda, &sc->cdev, "%s", device_get_nameunit(dev)); 927 if (rc != 0) 928 device_printf(dev, "failed to create nexus char device: %d.\n", 929 rc); 930 931 /* Go no further if recovery mode has been requested. */ 932 if (TUNABLE_INT_FETCH("hw.cxgbe.sos", &i) && i != 0) { 933 device_printf(dev, "recovery mode.\n"); 934 goto done; 935 } 936 937 #if defined(__i386__) 938 if ((cpu_feature & CPUID_CX8) == 0) { 939 device_printf(dev, "64 bit atomics not available.\n"); 940 rc = ENOTSUP; 941 goto done; 942 } 943 #endif 944 945 /* Prepare the firmware for operation */ 946 rc = prep_firmware(sc); 947 if (rc != 0) 948 goto done; /* error message displayed already */ 949 950 rc = get_params__post_init(sc); 951 if (rc != 0) 952 goto done; /* error message displayed already */ 953 954 rc = set_params__post_init(sc); 955 if (rc != 0) 956 goto done; /* error message displayed already */ 957 958 rc = t4_map_bar_2(sc); 959 if (rc != 0) 960 goto done; /* error message displayed already */ 961 962 rc = t4_create_dma_tag(sc); 963 if (rc != 0) 964 goto done; /* error message displayed already */ 965 966 /* 967 * First pass over all the ports - allocate VIs and initialize some 968 * basic parameters like mac address, port type, etc. 969 */ 970 for_each_port(sc, i) { 971 struct port_info *pi; 972 973 pi = malloc(sizeof(*pi), M_CXGBE, M_ZERO | M_WAITOK); 974 sc->port[i] = pi; 975 976 /* These must be set before t4_port_init */ 977 pi->adapter = sc; 978 pi->port_id = i; 979 /* 980 * XXX: vi[0] is special so we can't delay this allocation until 981 * pi->nvi's final value is known. 982 */ 983 pi->vi = malloc(sizeof(struct vi_info) * t4_num_vis, M_CXGBE, 984 M_ZERO | M_WAITOK); 985 986 /* 987 * Allocate the "main" VI and initialize parameters 988 * like mac addr. 989 */ 990 rc = -t4_port_init(sc, sc->mbox, sc->pf, 0, i); 991 if (rc != 0) { 992 device_printf(dev, "unable to initialize port %d: %d\n", 993 i, rc); 994 free(pi->vi, M_CXGBE); 995 free(pi, M_CXGBE); 996 sc->port[i] = NULL; 997 goto done; 998 } 999 1000 snprintf(pi->lockname, sizeof(pi->lockname), "%sp%d", 1001 device_get_nameunit(dev), i); 1002 mtx_init(&pi->pi_lock, pi->lockname, 0, MTX_DEF); 1003 sc->chan_map[pi->tx_chan] = i; 1004 1005 /* All VIs on this port share this media. */ 1006 ifmedia_init(&pi->media, IFM_IMASK, cxgbe_media_change, 1007 cxgbe_media_status); 1008 1009 pi->dev = device_add_child(dev, sc->names->ifnet_name, -1); 1010 if (pi->dev == NULL) { 1011 device_printf(dev, 1012 "failed to add device for port %d.\n", i); 1013 rc = ENXIO; 1014 goto done; 1015 } 1016 pi->vi[0].dev = pi->dev; 1017 device_set_softc(pi->dev, pi); 1018 } 1019 1020 /* 1021 * Interrupt type, # of interrupts, # of rx/tx queues, etc. 1022 */ 1023 nports = sc->params.nports; 1024 rc = cfg_itype_and_nqueues(sc, &iaq); 1025 if (rc != 0) 1026 goto done; /* error message displayed already */ 1027 1028 num_vis = iaq.num_vis; 1029 sc->intr_type = iaq.intr_type; 1030 sc->intr_count = iaq.nirq; 1031 1032 s = &sc->sge; 1033 s->nrxq = nports * iaq.nrxq; 1034 s->ntxq = nports * iaq.ntxq; 1035 if (num_vis > 1) { 1036 s->nrxq += nports * (num_vis - 1) * iaq.nrxq_vi; 1037 s->ntxq += nports * (num_vis - 1) * iaq.ntxq_vi; 1038 } 1039 s->neq = s->ntxq + s->nrxq; /* the free list in an rxq is an eq */ 1040 s->neq += nports + 1;/* ctrl queues: 1 per port + 1 mgmt */ 1041 s->niq = s->nrxq + 1; /* 1 extra for firmware event queue */ 1042 #ifdef TCP_OFFLOAD 1043 if (is_offload(sc)) { 1044 s->nofldrxq = nports * iaq.nofldrxq; 1045 s->nofldtxq = nports * iaq.nofldtxq; 1046 if (num_vis > 1) { 1047 s->nofldrxq += nports * (num_vis - 1) * iaq.nofldrxq_vi; 1048 s->nofldtxq += nports * (num_vis - 1) * iaq.nofldtxq_vi; 1049 } 1050 s->neq += s->nofldtxq + s->nofldrxq; 1051 s->niq += s->nofldrxq; 1052 1053 s->ofld_rxq = malloc(s->nofldrxq * sizeof(struct sge_ofld_rxq), 1054 M_CXGBE, M_ZERO | M_WAITOK); 1055 s->ofld_txq = malloc(s->nofldtxq * sizeof(struct sge_wrq), 1056 M_CXGBE, M_ZERO | M_WAITOK); 1057 } 1058 #endif 1059 #ifdef DEV_NETMAP 1060 if (num_vis > 1) { 1061 s->nnmrxq = nports * (num_vis - 1) * iaq.nnmrxq_vi; 1062 s->nnmtxq = nports * (num_vis - 1) * iaq.nnmtxq_vi; 1063 } 1064 s->neq += s->nnmtxq + s->nnmrxq; 1065 s->niq += s->nnmrxq; 1066 1067 s->nm_rxq = malloc(s->nnmrxq * sizeof(struct sge_nm_rxq), 1068 M_CXGBE, M_ZERO | M_WAITOK); 1069 s->nm_txq = malloc(s->nnmtxq * sizeof(struct sge_nm_txq), 1070 M_CXGBE, M_ZERO | M_WAITOK); 1071 #endif 1072 1073 s->ctrlq = malloc(nports * sizeof(struct sge_wrq), M_CXGBE, 1074 M_ZERO | M_WAITOK); 1075 s->rxq = malloc(s->nrxq * sizeof(struct sge_rxq), M_CXGBE, 1076 M_ZERO | M_WAITOK); 1077 s->txq = malloc(s->ntxq * sizeof(struct sge_txq), M_CXGBE, 1078 M_ZERO | M_WAITOK); 1079 s->iqmap = malloc(s->niq * sizeof(struct sge_iq *), M_CXGBE, 1080 M_ZERO | M_WAITOK); 1081 s->eqmap = malloc(s->neq * sizeof(struct sge_eq *), M_CXGBE, 1082 M_ZERO | M_WAITOK); 1083 1084 sc->irq = malloc(sc->intr_count * sizeof(struct irq), M_CXGBE, 1085 M_ZERO | M_WAITOK); 1086 1087 t4_init_l2t(sc, M_WAITOK); 1088 t4_init_tx_sched(sc); 1089 1090 /* 1091 * Second pass over the ports. This time we know the number of rx and 1092 * tx queues that each port should get. 1093 */ 1094 rqidx = tqidx = 0; 1095 #ifdef TCP_OFFLOAD 1096 ofld_rqidx = ofld_tqidx = 0; 1097 #endif 1098 #ifdef DEV_NETMAP 1099 nm_rqidx = nm_tqidx = 0; 1100 #endif 1101 for_each_port(sc, i) { 1102 struct port_info *pi = sc->port[i]; 1103 struct vi_info *vi; 1104 1105 if (pi == NULL) 1106 continue; 1107 1108 pi->nvi = num_vis; 1109 for_each_vi(pi, j, vi) { 1110 vi->pi = pi; 1111 vi->qsize_rxq = t4_qsize_rxq; 1112 vi->qsize_txq = t4_qsize_txq; 1113 1114 vi->first_rxq = rqidx; 1115 vi->first_txq = tqidx; 1116 vi->tmr_idx = t4_tmr_idx; 1117 vi->pktc_idx = t4_pktc_idx; 1118 vi->flags |= iaq.intr_flags & INTR_RXQ; 1119 vi->nrxq = j == 0 ? iaq.nrxq : iaq.nrxq_vi; 1120 vi->ntxq = j == 0 ? iaq.ntxq : iaq.ntxq_vi; 1121 1122 rqidx += vi->nrxq; 1123 tqidx += vi->ntxq; 1124 1125 if (j == 0 && vi->ntxq > 1) 1126 vi->rsrv_noflowq = t4_rsrv_noflowq ? 1 : 0; 1127 else 1128 vi->rsrv_noflowq = 0; 1129 1130 #ifdef TCP_OFFLOAD 1131 vi->ofld_tmr_idx = t4_tmr_idx_ofld; 1132 vi->ofld_pktc_idx = t4_pktc_idx_ofld; 1133 vi->first_ofld_rxq = ofld_rqidx; 1134 vi->first_ofld_txq = ofld_tqidx; 1135 vi->flags |= iaq.intr_flags & INTR_OFLD_RXQ; 1136 vi->nofldrxq = j == 0 ? iaq.nofldrxq : iaq.nofldrxq_vi; 1137 vi->nofldtxq = j == 0 ? iaq.nofldtxq : iaq.nofldtxq_vi; 1138 1139 ofld_rqidx += vi->nofldrxq; 1140 ofld_tqidx += vi->nofldtxq; 1141 #endif 1142 #ifdef DEV_NETMAP 1143 if (j > 0) { 1144 vi->first_nm_rxq = nm_rqidx; 1145 vi->first_nm_txq = nm_tqidx; 1146 vi->nnmrxq = iaq.nnmrxq_vi; 1147 vi->nnmtxq = iaq.nnmtxq_vi; 1148 nm_rqidx += vi->nnmrxq; 1149 nm_tqidx += vi->nnmtxq; 1150 } 1151 #endif 1152 } 1153 } 1154 1155 rc = t4_setup_intr_handlers(sc); 1156 if (rc != 0) { 1157 device_printf(dev, 1158 "failed to setup interrupt handlers: %d\n", rc); 1159 goto done; 1160 } 1161 1162 rc = bus_generic_probe(dev); 1163 if (rc != 0) { 1164 device_printf(dev, "failed to probe child drivers: %d\n", rc); 1165 goto done; 1166 } 1167 1168 /* 1169 * Ensure thread-safe mailbox access (in debug builds). 1170 * 1171 * So far this was the only thread accessing the mailbox but various 1172 * ifnets and sysctls are about to be created and their handlers/ioctls 1173 * will access the mailbox from different threads. 1174 */ 1175 sc->flags |= CHK_MBOX_ACCESS; 1176 1177 rc = bus_generic_attach(dev); 1178 if (rc != 0) { 1179 device_printf(dev, 1180 "failed to attach all child ports: %d\n", rc); 1181 goto done; 1182 } 1183 1184 device_printf(dev, 1185 "PCIe gen%d x%d, %d ports, %d %s interrupt%s, %d eq, %d iq\n", 1186 sc->params.pci.speed, sc->params.pci.width, sc->params.nports, 1187 sc->intr_count, sc->intr_type == INTR_MSIX ? "MSI-X" : 1188 (sc->intr_type == INTR_MSI ? "MSI" : "INTx"), 1189 sc->intr_count > 1 ? "s" : "", sc->sge.neq, sc->sge.niq); 1190 1191 t4_set_desc(sc); 1192 1193 notify_siblings(dev, 0); 1194 1195 done: 1196 if (rc != 0 && sc->cdev) { 1197 /* cdev was created and so cxgbetool works; recover that way. */ 1198 device_printf(dev, 1199 "error during attach, adapter is now in recovery mode.\n"); 1200 rc = 0; 1201 } 1202 1203 if (rc != 0) 1204 t4_detach_common(dev); 1205 else 1206 t4_sysctls(sc); 1207 1208 return (rc); 1209 } 1210 1211 static int 1212 t4_ready(device_t dev) 1213 { 1214 struct adapter *sc; 1215 1216 sc = device_get_softc(dev); 1217 if (sc->flags & FW_OK) 1218 return (0); 1219 return (ENXIO); 1220 } 1221 1222 static int 1223 t4_read_port_device(device_t dev, int port, device_t *child) 1224 { 1225 struct adapter *sc; 1226 struct port_info *pi; 1227 1228 sc = device_get_softc(dev); 1229 if (port < 0 || port >= MAX_NPORTS) 1230 return (EINVAL); 1231 pi = sc->port[port]; 1232 if (pi == NULL || pi->dev == NULL) 1233 return (ENXIO); 1234 *child = pi->dev; 1235 return (0); 1236 } 1237 1238 static int 1239 notify_siblings(device_t dev, int detaching) 1240 { 1241 device_t sibling; 1242 int error, i; 1243 1244 error = 0; 1245 for (i = 0; i < PCI_FUNCMAX; i++) { 1246 if (i == pci_get_function(dev)) 1247 continue; 1248 sibling = pci_find_dbsf(pci_get_domain(dev), pci_get_bus(dev), 1249 pci_get_slot(dev), i); 1250 if (sibling == NULL || !device_is_attached(sibling)) 1251 continue; 1252 if (detaching) 1253 error = T4_DETACH_CHILD(sibling); 1254 else 1255 (void)T4_ATTACH_CHILD(sibling); 1256 if (error) 1257 break; 1258 } 1259 return (error); 1260 } 1261 1262 /* 1263 * Idempotent 1264 */ 1265 static int 1266 t4_detach(device_t dev) 1267 { 1268 struct adapter *sc; 1269 int rc; 1270 1271 sc = device_get_softc(dev); 1272 1273 rc = notify_siblings(dev, 1); 1274 if (rc) { 1275 device_printf(dev, 1276 "failed to detach sibling devices: %d\n", rc); 1277 return (rc); 1278 } 1279 1280 return (t4_detach_common(dev)); 1281 } 1282 1283 int 1284 t4_detach_common(device_t dev) 1285 { 1286 struct adapter *sc; 1287 struct port_info *pi; 1288 int i, rc; 1289 1290 sc = device_get_softc(dev); 1291 1292 sc->flags &= ~CHK_MBOX_ACCESS; 1293 if (sc->flags & FULL_INIT_DONE) { 1294 if (!(sc->flags & IS_VF)) 1295 t4_intr_disable(sc); 1296 } 1297 1298 if (sc->cdev) { 1299 destroy_dev(sc->cdev); 1300 sc->cdev = NULL; 1301 } 1302 1303 if (device_is_attached(dev)) { 1304 rc = bus_generic_detach(dev); 1305 if (rc) { 1306 device_printf(dev, 1307 "failed to detach child devices: %d\n", rc); 1308 return (rc); 1309 } 1310 } 1311 1312 for (i = 0; i < sc->intr_count; i++) 1313 t4_free_irq(sc, &sc->irq[i]); 1314 1315 if ((sc->flags & (IS_VF | FW_OK)) == FW_OK) 1316 t4_free_tx_sched(sc); 1317 1318 for (i = 0; i < MAX_NPORTS; i++) { 1319 pi = sc->port[i]; 1320 if (pi) { 1321 t4_free_vi(sc, sc->mbox, sc->pf, 0, pi->vi[0].viid); 1322 if (pi->dev) 1323 device_delete_child(dev, pi->dev); 1324 1325 mtx_destroy(&pi->pi_lock); 1326 free(pi->vi, M_CXGBE); 1327 free(pi, M_CXGBE); 1328 } 1329 } 1330 1331 device_delete_children(dev); 1332 1333 if (sc->flags & FULL_INIT_DONE) 1334 adapter_full_uninit(sc); 1335 1336 if ((sc->flags & (IS_VF | FW_OK)) == FW_OK) 1337 t4_fw_bye(sc, sc->mbox); 1338 1339 if (sc->intr_type == INTR_MSI || sc->intr_type == INTR_MSIX) 1340 pci_release_msi(dev); 1341 1342 if (sc->regs_res) 1343 bus_release_resource(dev, SYS_RES_MEMORY, sc->regs_rid, 1344 sc->regs_res); 1345 1346 if (sc->udbs_res) 1347 bus_release_resource(dev, SYS_RES_MEMORY, sc->udbs_rid, 1348 sc->udbs_res); 1349 1350 if (sc->msix_res) 1351 bus_release_resource(dev, SYS_RES_MEMORY, sc->msix_rid, 1352 sc->msix_res); 1353 1354 if (sc->l2t) 1355 t4_free_l2t(sc->l2t); 1356 1357 #ifdef TCP_OFFLOAD 1358 free(sc->sge.ofld_rxq, M_CXGBE); 1359 free(sc->sge.ofld_txq, M_CXGBE); 1360 #endif 1361 #ifdef DEV_NETMAP 1362 free(sc->sge.nm_rxq, M_CXGBE); 1363 free(sc->sge.nm_txq, M_CXGBE); 1364 #endif 1365 free(sc->irq, M_CXGBE); 1366 free(sc->sge.rxq, M_CXGBE); 1367 free(sc->sge.txq, M_CXGBE); 1368 free(sc->sge.ctrlq, M_CXGBE); 1369 free(sc->sge.iqmap, M_CXGBE); 1370 free(sc->sge.eqmap, M_CXGBE); 1371 free(sc->tids.ftid_tab, M_CXGBE); 1372 t4_destroy_dma_tag(sc); 1373 if (mtx_initialized(&sc->sc_lock)) { 1374 sx_xlock(&t4_list_lock); 1375 SLIST_REMOVE(&t4_list, sc, adapter, link); 1376 sx_xunlock(&t4_list_lock); 1377 mtx_destroy(&sc->sc_lock); 1378 } 1379 1380 callout_drain(&sc->sfl_callout); 1381 if (mtx_initialized(&sc->tids.ftid_lock)) 1382 mtx_destroy(&sc->tids.ftid_lock); 1383 if (mtx_initialized(&sc->sfl_lock)) 1384 mtx_destroy(&sc->sfl_lock); 1385 if (mtx_initialized(&sc->ifp_lock)) 1386 mtx_destroy(&sc->ifp_lock); 1387 if (mtx_initialized(&sc->reg_lock)) 1388 mtx_destroy(&sc->reg_lock); 1389 1390 for (i = 0; i < NUM_MEMWIN; i++) { 1391 struct memwin *mw = &sc->memwin[i]; 1392 1393 if (rw_initialized(&mw->mw_lock)) 1394 rw_destroy(&mw->mw_lock); 1395 } 1396 1397 bzero(sc, sizeof(*sc)); 1398 1399 return (0); 1400 } 1401 1402 static int 1403 cxgbe_probe(device_t dev) 1404 { 1405 char buf[128]; 1406 struct port_info *pi = device_get_softc(dev); 1407 1408 snprintf(buf, sizeof(buf), "port %d", pi->port_id); 1409 device_set_desc_copy(dev, buf); 1410 1411 return (BUS_PROBE_DEFAULT); 1412 } 1413 1414 #define T4_CAP (IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_HWCSUM | \ 1415 IFCAP_VLAN_HWCSUM | IFCAP_TSO | IFCAP_JUMBO_MTU | IFCAP_LRO | \ 1416 IFCAP_VLAN_HWTSO | IFCAP_LINKSTATE | IFCAP_HWCSUM_IPV6 | IFCAP_HWSTATS) 1417 #define T4_CAP_ENABLE (T4_CAP) 1418 1419 static int 1420 cxgbe_vi_attach(device_t dev, struct vi_info *vi) 1421 { 1422 struct ifnet *ifp; 1423 struct sbuf *sb; 1424 1425 vi->xact_addr_filt = -1; 1426 callout_init(&vi->tick, 1); 1427 1428 /* Allocate an ifnet and set it up */ 1429 ifp = if_alloc(IFT_ETHER); 1430 if (ifp == NULL) { 1431 device_printf(dev, "Cannot allocate ifnet\n"); 1432 return (ENOMEM); 1433 } 1434 vi->ifp = ifp; 1435 ifp->if_softc = vi; 1436 1437 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 1438 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1439 1440 ifp->if_init = cxgbe_init; 1441 ifp->if_ioctl = cxgbe_ioctl; 1442 ifp->if_transmit = cxgbe_transmit; 1443 ifp->if_qflush = cxgbe_qflush; 1444 ifp->if_get_counter = cxgbe_get_counter; 1445 1446 ifp->if_capabilities = T4_CAP; 1447 #ifdef TCP_OFFLOAD 1448 if (vi->nofldrxq != 0) 1449 ifp->if_capabilities |= IFCAP_TOE; 1450 #endif 1451 #ifdef DEV_NETMAP 1452 if (vi->nnmrxq != 0) 1453 ifp->if_capabilities |= IFCAP_NETMAP; 1454 #endif 1455 ifp->if_capenable = T4_CAP_ENABLE; 1456 ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_IP | CSUM_TSO | 1457 CSUM_UDP_IPV6 | CSUM_TCP_IPV6; 1458 1459 ifp->if_hw_tsomax = 65536 - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN); 1460 ifp->if_hw_tsomaxsegcount = TX_SGL_SEGS; 1461 ifp->if_hw_tsomaxsegsize = 65536; 1462 1463 vi->vlan_c = EVENTHANDLER_REGISTER(vlan_config, cxgbe_vlan_config, ifp, 1464 EVENTHANDLER_PRI_ANY); 1465 1466 ether_ifattach(ifp, vi->hw_addr); 1467 #ifdef DEV_NETMAP 1468 if (ifp->if_capabilities & IFCAP_NETMAP) 1469 cxgbe_nm_attach(vi); 1470 #endif 1471 sb = sbuf_new_auto(); 1472 sbuf_printf(sb, "%d txq, %d rxq (NIC)", vi->ntxq, vi->nrxq); 1473 #ifdef TCP_OFFLOAD 1474 if (ifp->if_capabilities & IFCAP_TOE) 1475 sbuf_printf(sb, "; %d txq, %d rxq (TOE)", 1476 vi->nofldtxq, vi->nofldrxq); 1477 #endif 1478 #ifdef DEV_NETMAP 1479 if (ifp->if_capabilities & IFCAP_NETMAP) 1480 sbuf_printf(sb, "; %d txq, %d rxq (netmap)", 1481 vi->nnmtxq, vi->nnmrxq); 1482 #endif 1483 sbuf_finish(sb); 1484 device_printf(dev, "%s\n", sbuf_data(sb)); 1485 sbuf_delete(sb); 1486 1487 vi_sysctls(vi); 1488 1489 return (0); 1490 } 1491 1492 static int 1493 cxgbe_attach(device_t dev) 1494 { 1495 struct port_info *pi = device_get_softc(dev); 1496 struct adapter *sc = pi->adapter; 1497 struct vi_info *vi; 1498 int i, rc; 1499 1500 callout_init_mtx(&pi->tick, &pi->pi_lock, 0); 1501 1502 rc = cxgbe_vi_attach(dev, &pi->vi[0]); 1503 if (rc) 1504 return (rc); 1505 1506 for_each_vi(pi, i, vi) { 1507 if (i == 0) 1508 continue; 1509 vi->dev = device_add_child(dev, sc->names->vi_ifnet_name, -1); 1510 if (vi->dev == NULL) { 1511 device_printf(dev, "failed to add VI %d\n", i); 1512 continue; 1513 } 1514 device_set_softc(vi->dev, vi); 1515 } 1516 1517 cxgbe_sysctls(pi); 1518 1519 bus_generic_attach(dev); 1520 1521 return (0); 1522 } 1523 1524 static void 1525 cxgbe_vi_detach(struct vi_info *vi) 1526 { 1527 struct ifnet *ifp = vi->ifp; 1528 1529 ether_ifdetach(ifp); 1530 1531 if (vi->vlan_c) 1532 EVENTHANDLER_DEREGISTER(vlan_config, vi->vlan_c); 1533 1534 /* Let detach proceed even if these fail. */ 1535 #ifdef DEV_NETMAP 1536 if (ifp->if_capabilities & IFCAP_NETMAP) 1537 cxgbe_nm_detach(vi); 1538 #endif 1539 cxgbe_uninit_synchronized(vi); 1540 callout_drain(&vi->tick); 1541 vi_full_uninit(vi); 1542 1543 if_free(vi->ifp); 1544 vi->ifp = NULL; 1545 } 1546 1547 static int 1548 cxgbe_detach(device_t dev) 1549 { 1550 struct port_info *pi = device_get_softc(dev); 1551 struct adapter *sc = pi->adapter; 1552 int rc; 1553 1554 /* Detach the extra VIs first. */ 1555 rc = bus_generic_detach(dev); 1556 if (rc) 1557 return (rc); 1558 device_delete_children(dev); 1559 1560 doom_vi(sc, &pi->vi[0]); 1561 1562 if (pi->flags & HAS_TRACEQ) { 1563 sc->traceq = -1; /* cloner should not create ifnet */ 1564 t4_tracer_port_detach(sc); 1565 } 1566 1567 cxgbe_vi_detach(&pi->vi[0]); 1568 callout_drain(&pi->tick); 1569 ifmedia_removeall(&pi->media); 1570 1571 end_synchronized_op(sc, 0); 1572 1573 return (0); 1574 } 1575 1576 static void 1577 cxgbe_init(void *arg) 1578 { 1579 struct vi_info *vi = arg; 1580 struct adapter *sc = vi->pi->adapter; 1581 1582 if (begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4init") != 0) 1583 return; 1584 cxgbe_init_synchronized(vi); 1585 end_synchronized_op(sc, 0); 1586 } 1587 1588 static int 1589 cxgbe_ioctl(struct ifnet *ifp, unsigned long cmd, caddr_t data) 1590 { 1591 int rc = 0, mtu, flags, can_sleep; 1592 struct vi_info *vi = ifp->if_softc; 1593 struct port_info *pi = vi->pi; 1594 struct adapter *sc = pi->adapter; 1595 struct ifreq *ifr = (struct ifreq *)data; 1596 uint32_t mask; 1597 1598 switch (cmd) { 1599 case SIOCSIFMTU: 1600 mtu = ifr->ifr_mtu; 1601 if (mtu < ETHERMIN || mtu > MAX_MTU) 1602 return (EINVAL); 1603 1604 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4mtu"); 1605 if (rc) 1606 return (rc); 1607 ifp->if_mtu = mtu; 1608 if (vi->flags & VI_INIT_DONE) { 1609 t4_update_fl_bufsize(ifp); 1610 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1611 rc = update_mac_settings(ifp, XGMAC_MTU); 1612 } 1613 end_synchronized_op(sc, 0); 1614 break; 1615 1616 case SIOCSIFFLAGS: 1617 can_sleep = 0; 1618 redo_sifflags: 1619 rc = begin_synchronized_op(sc, vi, 1620 can_sleep ? (SLEEP_OK | INTR_OK) : HOLD_LOCK, "t4flg"); 1621 if (rc) 1622 return (rc); 1623 1624 if (ifp->if_flags & IFF_UP) { 1625 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1626 flags = vi->if_flags; 1627 if ((ifp->if_flags ^ flags) & 1628 (IFF_PROMISC | IFF_ALLMULTI)) { 1629 if (can_sleep == 1) { 1630 end_synchronized_op(sc, 0); 1631 can_sleep = 0; 1632 goto redo_sifflags; 1633 } 1634 rc = update_mac_settings(ifp, 1635 XGMAC_PROMISC | XGMAC_ALLMULTI); 1636 } 1637 } else { 1638 if (can_sleep == 0) { 1639 end_synchronized_op(sc, LOCK_HELD); 1640 can_sleep = 1; 1641 goto redo_sifflags; 1642 } 1643 rc = cxgbe_init_synchronized(vi); 1644 } 1645 vi->if_flags = ifp->if_flags; 1646 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1647 if (can_sleep == 0) { 1648 end_synchronized_op(sc, LOCK_HELD); 1649 can_sleep = 1; 1650 goto redo_sifflags; 1651 } 1652 rc = cxgbe_uninit_synchronized(vi); 1653 } 1654 end_synchronized_op(sc, can_sleep ? 0 : LOCK_HELD); 1655 break; 1656 1657 case SIOCADDMULTI: 1658 case SIOCDELMULTI: /* these two are called with a mutex held :-( */ 1659 rc = begin_synchronized_op(sc, vi, HOLD_LOCK, "t4multi"); 1660 if (rc) 1661 return (rc); 1662 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1663 rc = update_mac_settings(ifp, XGMAC_MCADDRS); 1664 end_synchronized_op(sc, LOCK_HELD); 1665 break; 1666 1667 case SIOCSIFCAP: 1668 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4cap"); 1669 if (rc) 1670 return (rc); 1671 1672 mask = ifr->ifr_reqcap ^ ifp->if_capenable; 1673 if (mask & IFCAP_TXCSUM) { 1674 ifp->if_capenable ^= IFCAP_TXCSUM; 1675 ifp->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP); 1676 1677 if (IFCAP_TSO4 & ifp->if_capenable && 1678 !(IFCAP_TXCSUM & ifp->if_capenable)) { 1679 ifp->if_capenable &= ~IFCAP_TSO4; 1680 if_printf(ifp, 1681 "tso4 disabled due to -txcsum.\n"); 1682 } 1683 } 1684 if (mask & IFCAP_TXCSUM_IPV6) { 1685 ifp->if_capenable ^= IFCAP_TXCSUM_IPV6; 1686 ifp->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); 1687 1688 if (IFCAP_TSO6 & ifp->if_capenable && 1689 !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) { 1690 ifp->if_capenable &= ~IFCAP_TSO6; 1691 if_printf(ifp, 1692 "tso6 disabled due to -txcsum6.\n"); 1693 } 1694 } 1695 if (mask & IFCAP_RXCSUM) 1696 ifp->if_capenable ^= IFCAP_RXCSUM; 1697 if (mask & IFCAP_RXCSUM_IPV6) 1698 ifp->if_capenable ^= IFCAP_RXCSUM_IPV6; 1699 1700 /* 1701 * Note that we leave CSUM_TSO alone (it is always set). The 1702 * kernel takes both IFCAP_TSOx and CSUM_TSO into account before 1703 * sending a TSO request our way, so it's sufficient to toggle 1704 * IFCAP_TSOx only. 1705 */ 1706 if (mask & IFCAP_TSO4) { 1707 if (!(IFCAP_TSO4 & ifp->if_capenable) && 1708 !(IFCAP_TXCSUM & ifp->if_capenable)) { 1709 if_printf(ifp, "enable txcsum first.\n"); 1710 rc = EAGAIN; 1711 goto fail; 1712 } 1713 ifp->if_capenable ^= IFCAP_TSO4; 1714 } 1715 if (mask & IFCAP_TSO6) { 1716 if (!(IFCAP_TSO6 & ifp->if_capenable) && 1717 !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) { 1718 if_printf(ifp, "enable txcsum6 first.\n"); 1719 rc = EAGAIN; 1720 goto fail; 1721 } 1722 ifp->if_capenable ^= IFCAP_TSO6; 1723 } 1724 if (mask & IFCAP_LRO) { 1725 #if defined(INET) || defined(INET6) 1726 int i; 1727 struct sge_rxq *rxq; 1728 1729 ifp->if_capenable ^= IFCAP_LRO; 1730 for_each_rxq(vi, i, rxq) { 1731 if (ifp->if_capenable & IFCAP_LRO) 1732 rxq->iq.flags |= IQ_LRO_ENABLED; 1733 else 1734 rxq->iq.flags &= ~IQ_LRO_ENABLED; 1735 } 1736 #endif 1737 } 1738 #ifdef TCP_OFFLOAD 1739 if (mask & IFCAP_TOE) { 1740 int enable = (ifp->if_capenable ^ mask) & IFCAP_TOE; 1741 1742 rc = toe_capability(vi, enable); 1743 if (rc != 0) 1744 goto fail; 1745 1746 ifp->if_capenable ^= mask; 1747 } 1748 #endif 1749 if (mask & IFCAP_VLAN_HWTAGGING) { 1750 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 1751 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1752 rc = update_mac_settings(ifp, XGMAC_VLANEX); 1753 } 1754 if (mask & IFCAP_VLAN_MTU) { 1755 ifp->if_capenable ^= IFCAP_VLAN_MTU; 1756 1757 /* Need to find out how to disable auto-mtu-inflation */ 1758 } 1759 if (mask & IFCAP_VLAN_HWTSO) 1760 ifp->if_capenable ^= IFCAP_VLAN_HWTSO; 1761 if (mask & IFCAP_VLAN_HWCSUM) 1762 ifp->if_capenable ^= IFCAP_VLAN_HWCSUM; 1763 1764 #ifdef VLAN_CAPABILITIES 1765 VLAN_CAPABILITIES(ifp); 1766 #endif 1767 fail: 1768 end_synchronized_op(sc, 0); 1769 break; 1770 1771 case SIOCSIFMEDIA: 1772 case SIOCGIFMEDIA: 1773 case SIOCGIFXMEDIA: 1774 ifmedia_ioctl(ifp, ifr, &pi->media, cmd); 1775 break; 1776 1777 case SIOCGI2C: { 1778 struct ifi2creq i2c; 1779 1780 rc = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 1781 if (rc != 0) 1782 break; 1783 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) { 1784 rc = EPERM; 1785 break; 1786 } 1787 if (i2c.len > sizeof(i2c.data)) { 1788 rc = EINVAL; 1789 break; 1790 } 1791 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4i2c"); 1792 if (rc) 1793 return (rc); 1794 rc = -t4_i2c_rd(sc, sc->mbox, pi->port_id, i2c.dev_addr, 1795 i2c.offset, i2c.len, &i2c.data[0]); 1796 end_synchronized_op(sc, 0); 1797 if (rc == 0) 1798 rc = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 1799 break; 1800 } 1801 1802 default: 1803 rc = ether_ioctl(ifp, cmd, data); 1804 } 1805 1806 return (rc); 1807 } 1808 1809 static int 1810 cxgbe_transmit(struct ifnet *ifp, struct mbuf *m) 1811 { 1812 struct vi_info *vi = ifp->if_softc; 1813 struct port_info *pi = vi->pi; 1814 struct adapter *sc = pi->adapter; 1815 struct sge_txq *txq; 1816 void *items[1]; 1817 int rc; 1818 1819 M_ASSERTPKTHDR(m); 1820 MPASS(m->m_nextpkt == NULL); /* not quite ready for this yet */ 1821 1822 if (__predict_false(pi->link_cfg.link_ok == 0)) { 1823 m_freem(m); 1824 return (ENETDOWN); 1825 } 1826 1827 rc = parse_pkt(sc, &m); 1828 if (__predict_false(rc != 0)) { 1829 MPASS(m == NULL); /* was freed already */ 1830 atomic_add_int(&pi->tx_parse_error, 1); /* rare, atomic is ok */ 1831 return (rc); 1832 } 1833 1834 /* Select a txq. */ 1835 txq = &sc->sge.txq[vi->first_txq]; 1836 if (M_HASHTYPE_GET(m) != M_HASHTYPE_NONE) 1837 txq += ((m->m_pkthdr.flowid % (vi->ntxq - vi->rsrv_noflowq)) + 1838 vi->rsrv_noflowq); 1839 1840 items[0] = m; 1841 rc = mp_ring_enqueue(txq->r, items, 1, 4096); 1842 if (__predict_false(rc != 0)) 1843 m_freem(m); 1844 1845 return (rc); 1846 } 1847 1848 static void 1849 cxgbe_qflush(struct ifnet *ifp) 1850 { 1851 struct vi_info *vi = ifp->if_softc; 1852 struct sge_txq *txq; 1853 int i; 1854 1855 /* queues do not exist if !VI_INIT_DONE. */ 1856 if (vi->flags & VI_INIT_DONE) { 1857 for_each_txq(vi, i, txq) { 1858 TXQ_LOCK(txq); 1859 txq->eq.flags |= EQ_QFLUSH; 1860 TXQ_UNLOCK(txq); 1861 while (!mp_ring_is_idle(txq->r)) { 1862 mp_ring_check_drainage(txq->r, 0); 1863 pause("qflush", 1); 1864 } 1865 TXQ_LOCK(txq); 1866 txq->eq.flags &= ~EQ_QFLUSH; 1867 TXQ_UNLOCK(txq); 1868 } 1869 } 1870 if_qflush(ifp); 1871 } 1872 1873 static uint64_t 1874 vi_get_counter(struct ifnet *ifp, ift_counter c) 1875 { 1876 struct vi_info *vi = ifp->if_softc; 1877 struct fw_vi_stats_vf *s = &vi->stats; 1878 1879 vi_refresh_stats(vi->pi->adapter, vi); 1880 1881 switch (c) { 1882 case IFCOUNTER_IPACKETS: 1883 return (s->rx_bcast_frames + s->rx_mcast_frames + 1884 s->rx_ucast_frames); 1885 case IFCOUNTER_IERRORS: 1886 return (s->rx_err_frames); 1887 case IFCOUNTER_OPACKETS: 1888 return (s->tx_bcast_frames + s->tx_mcast_frames + 1889 s->tx_ucast_frames + s->tx_offload_frames); 1890 case IFCOUNTER_OERRORS: 1891 return (s->tx_drop_frames); 1892 case IFCOUNTER_IBYTES: 1893 return (s->rx_bcast_bytes + s->rx_mcast_bytes + 1894 s->rx_ucast_bytes); 1895 case IFCOUNTER_OBYTES: 1896 return (s->tx_bcast_bytes + s->tx_mcast_bytes + 1897 s->tx_ucast_bytes + s->tx_offload_bytes); 1898 case IFCOUNTER_IMCASTS: 1899 return (s->rx_mcast_frames); 1900 case IFCOUNTER_OMCASTS: 1901 return (s->tx_mcast_frames); 1902 case IFCOUNTER_OQDROPS: { 1903 uint64_t drops; 1904 1905 drops = 0; 1906 if (vi->flags & VI_INIT_DONE) { 1907 int i; 1908 struct sge_txq *txq; 1909 1910 for_each_txq(vi, i, txq) 1911 drops += counter_u64_fetch(txq->r->drops); 1912 } 1913 1914 return (drops); 1915 1916 } 1917 1918 default: 1919 return (if_get_counter_default(ifp, c)); 1920 } 1921 } 1922 1923 uint64_t 1924 cxgbe_get_counter(struct ifnet *ifp, ift_counter c) 1925 { 1926 struct vi_info *vi = ifp->if_softc; 1927 struct port_info *pi = vi->pi; 1928 struct adapter *sc = pi->adapter; 1929 struct port_stats *s = &pi->stats; 1930 1931 if (pi->nvi > 1 || sc->flags & IS_VF) 1932 return (vi_get_counter(ifp, c)); 1933 1934 cxgbe_refresh_stats(sc, pi); 1935 1936 switch (c) { 1937 case IFCOUNTER_IPACKETS: 1938 return (s->rx_frames); 1939 1940 case IFCOUNTER_IERRORS: 1941 return (s->rx_jabber + s->rx_runt + s->rx_too_long + 1942 s->rx_fcs_err + s->rx_len_err); 1943 1944 case IFCOUNTER_OPACKETS: 1945 return (s->tx_frames); 1946 1947 case IFCOUNTER_OERRORS: 1948 return (s->tx_error_frames); 1949 1950 case IFCOUNTER_IBYTES: 1951 return (s->rx_octets); 1952 1953 case IFCOUNTER_OBYTES: 1954 return (s->tx_octets); 1955 1956 case IFCOUNTER_IMCASTS: 1957 return (s->rx_mcast_frames); 1958 1959 case IFCOUNTER_OMCASTS: 1960 return (s->tx_mcast_frames); 1961 1962 case IFCOUNTER_IQDROPS: 1963 return (s->rx_ovflow0 + s->rx_ovflow1 + s->rx_ovflow2 + 1964 s->rx_ovflow3 + s->rx_trunc0 + s->rx_trunc1 + s->rx_trunc2 + 1965 s->rx_trunc3 + pi->tnl_cong_drops); 1966 1967 case IFCOUNTER_OQDROPS: { 1968 uint64_t drops; 1969 1970 drops = s->tx_drop; 1971 if (vi->flags & VI_INIT_DONE) { 1972 int i; 1973 struct sge_txq *txq; 1974 1975 for_each_txq(vi, i, txq) 1976 drops += counter_u64_fetch(txq->r->drops); 1977 } 1978 1979 return (drops); 1980 1981 } 1982 1983 default: 1984 return (if_get_counter_default(ifp, c)); 1985 } 1986 } 1987 1988 static int 1989 cxgbe_media_change(struct ifnet *ifp) 1990 { 1991 struct vi_info *vi = ifp->if_softc; 1992 1993 device_printf(vi->dev, "%s unimplemented.\n", __func__); 1994 1995 return (EOPNOTSUPP); 1996 } 1997 1998 static void 1999 cxgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 2000 { 2001 struct vi_info *vi = ifp->if_softc; 2002 struct port_info *pi = vi->pi; 2003 struct ifmedia_entry *cur; 2004 struct link_config *lc = &pi->link_cfg; 2005 2006 /* 2007 * If all the interfaces are administratively down the firmware does not 2008 * report transceiver changes. Refresh port info here so that ifconfig 2009 * displays accurate information at all times. 2010 */ 2011 if (begin_synchronized_op(pi->adapter, NULL, SLEEP_OK | INTR_OK, 2012 "t4med") == 0) { 2013 PORT_LOCK(pi); 2014 if (pi->up_vis == 0) { 2015 t4_update_port_info(pi); 2016 build_medialist(pi, &pi->media); 2017 } 2018 PORT_UNLOCK(pi); 2019 end_synchronized_op(pi->adapter, 0); 2020 } 2021 2022 ifmr->ifm_status = IFM_AVALID; 2023 if (lc->link_ok == 0) 2024 return; 2025 2026 ifmr->ifm_status |= IFM_ACTIVE; 2027 ifmr->ifm_active &= ~(IFM_ETH_TXPAUSE | IFM_ETH_RXPAUSE); 2028 if (lc->fc & PAUSE_RX) 2029 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2030 if (lc->fc & PAUSE_TX) 2031 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2032 2033 /* active and current will differ iff current media is autoselect. */ 2034 cur = pi->media.ifm_cur; 2035 if (cur != NULL && IFM_SUBTYPE(cur->ifm_media) != IFM_AUTO) 2036 return; 2037 2038 ifmr->ifm_active = IFM_ETHER | IFM_FDX; 2039 if (lc->fc & PAUSE_RX) 2040 ifmr->ifm_active |= IFM_ETH_RXPAUSE; 2041 if (lc->fc & PAUSE_TX) 2042 ifmr->ifm_active |= IFM_ETH_TXPAUSE; 2043 switch (lc->speed) { 2044 case 10000: 2045 ifmr->ifm_active |= IFM_10G_T; 2046 break; 2047 case 1000: 2048 ifmr->ifm_active |= IFM_1000_T; 2049 break; 2050 case 100: 2051 ifmr->ifm_active |= IFM_100_TX; 2052 break; 2053 case 10: 2054 ifmr->ifm_active |= IFM_10_T; 2055 break; 2056 default: 2057 device_printf(vi->dev, "link up but speed unknown (%u)\n", 2058 lc->speed); 2059 } 2060 } 2061 2062 static int 2063 vcxgbe_probe(device_t dev) 2064 { 2065 char buf[128]; 2066 struct vi_info *vi = device_get_softc(dev); 2067 2068 snprintf(buf, sizeof(buf), "port %d vi %td", vi->pi->port_id, 2069 vi - vi->pi->vi); 2070 device_set_desc_copy(dev, buf); 2071 2072 return (BUS_PROBE_DEFAULT); 2073 } 2074 2075 static int 2076 alloc_extra_vi(struct adapter *sc, struct port_info *pi, struct vi_info *vi) 2077 { 2078 int func, index, rc; 2079 uint32_t param, val; 2080 2081 ASSERT_SYNCHRONIZED_OP(sc); 2082 2083 index = vi - pi->vi; 2084 MPASS(index > 0); /* This function deals with _extra_ VIs only */ 2085 KASSERT(index < nitems(vi_mac_funcs), 2086 ("%s: VI %s doesn't have a MAC func", __func__, 2087 device_get_nameunit(vi->dev))); 2088 func = vi_mac_funcs[index]; 2089 rc = t4_alloc_vi_func(sc, sc->mbox, pi->tx_chan, sc->pf, 0, 1, 2090 vi->hw_addr, &vi->rss_size, func, 0); 2091 if (rc < 0) { 2092 device_printf(vi->dev, "failed to allocate virtual interface %d" 2093 "for port %d: %d\n", index, pi->port_id, -rc); 2094 return (-rc); 2095 } 2096 vi->viid = rc; 2097 if (chip_id(sc) <= CHELSIO_T5) 2098 vi->smt_idx = (rc & 0x7f) << 1; 2099 else 2100 vi->smt_idx = (rc & 0x7f); 2101 2102 if (vi->rss_size == 1) { 2103 /* 2104 * This VI didn't get a slice of the RSS table. Reduce the 2105 * number of VIs being created (hw.cxgbe.num_vis) or modify the 2106 * configuration file (nvi, rssnvi for this PF) if this is a 2107 * problem. 2108 */ 2109 device_printf(vi->dev, "RSS table not available.\n"); 2110 vi->rss_base = 0xffff; 2111 2112 return (0); 2113 } 2114 2115 param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | 2116 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RSSINFO) | 2117 V_FW_PARAMS_PARAM_YZ(vi->viid); 2118 rc = t4_query_params(sc, sc->mbox, sc->pf, 0, 1, ¶m, &val); 2119 if (rc) 2120 vi->rss_base = 0xffff; 2121 else { 2122 MPASS((val >> 16) == vi->rss_size); 2123 vi->rss_base = val & 0xffff; 2124 } 2125 2126 return (0); 2127 } 2128 2129 static int 2130 vcxgbe_attach(device_t dev) 2131 { 2132 struct vi_info *vi; 2133 struct port_info *pi; 2134 struct adapter *sc; 2135 int rc; 2136 2137 vi = device_get_softc(dev); 2138 pi = vi->pi; 2139 sc = pi->adapter; 2140 2141 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4via"); 2142 if (rc) 2143 return (rc); 2144 rc = alloc_extra_vi(sc, pi, vi); 2145 end_synchronized_op(sc, 0); 2146 if (rc) 2147 return (rc); 2148 2149 rc = cxgbe_vi_attach(dev, vi); 2150 if (rc) { 2151 t4_free_vi(sc, sc->mbox, sc->pf, 0, vi->viid); 2152 return (rc); 2153 } 2154 return (0); 2155 } 2156 2157 static int 2158 vcxgbe_detach(device_t dev) 2159 { 2160 struct vi_info *vi; 2161 struct adapter *sc; 2162 2163 vi = device_get_softc(dev); 2164 sc = vi->pi->adapter; 2165 2166 doom_vi(sc, vi); 2167 2168 cxgbe_vi_detach(vi); 2169 t4_free_vi(sc, sc->mbox, sc->pf, 0, vi->viid); 2170 2171 end_synchronized_op(sc, 0); 2172 2173 return (0); 2174 } 2175 2176 void 2177 t4_fatal_err(struct adapter *sc) 2178 { 2179 t4_set_reg_field(sc, A_SGE_CONTROL, F_GLOBALENABLE, 0); 2180 t4_intr_disable(sc); 2181 log(LOG_EMERG, "%s: encountered fatal error, adapter stopped.\n", 2182 device_get_nameunit(sc->dev)); 2183 } 2184 2185 void 2186 t4_add_adapter(struct adapter *sc) 2187 { 2188 sx_xlock(&t4_list_lock); 2189 SLIST_INSERT_HEAD(&t4_list, sc, link); 2190 sx_xunlock(&t4_list_lock); 2191 } 2192 2193 int 2194 t4_map_bars_0_and_4(struct adapter *sc) 2195 { 2196 sc->regs_rid = PCIR_BAR(0); 2197 sc->regs_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY, 2198 &sc->regs_rid, RF_ACTIVE); 2199 if (sc->regs_res == NULL) { 2200 device_printf(sc->dev, "cannot map registers.\n"); 2201 return (ENXIO); 2202 } 2203 sc->bt = rman_get_bustag(sc->regs_res); 2204 sc->bh = rman_get_bushandle(sc->regs_res); 2205 sc->mmio_len = rman_get_size(sc->regs_res); 2206 setbit(&sc->doorbells, DOORBELL_KDB); 2207 2208 sc->msix_rid = PCIR_BAR(4); 2209 sc->msix_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY, 2210 &sc->msix_rid, RF_ACTIVE); 2211 if (sc->msix_res == NULL) { 2212 device_printf(sc->dev, "cannot map MSI-X BAR.\n"); 2213 return (ENXIO); 2214 } 2215 2216 return (0); 2217 } 2218 2219 int 2220 t4_map_bar_2(struct adapter *sc) 2221 { 2222 2223 /* 2224 * T4: only iWARP driver uses the userspace doorbells. There is no need 2225 * to map it if RDMA is disabled. 2226 */ 2227 if (is_t4(sc) && sc->rdmacaps == 0) 2228 return (0); 2229 2230 sc->udbs_rid = PCIR_BAR(2); 2231 sc->udbs_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY, 2232 &sc->udbs_rid, RF_ACTIVE); 2233 if (sc->udbs_res == NULL) { 2234 device_printf(sc->dev, "cannot map doorbell BAR.\n"); 2235 return (ENXIO); 2236 } 2237 sc->udbs_base = rman_get_virtual(sc->udbs_res); 2238 2239 if (chip_id(sc) >= CHELSIO_T5) { 2240 setbit(&sc->doorbells, DOORBELL_UDB); 2241 #if defined(__i386__) || defined(__amd64__) 2242 if (t5_write_combine) { 2243 int rc, mode; 2244 2245 /* 2246 * Enable write combining on BAR2. This is the 2247 * userspace doorbell BAR and is split into 128B 2248 * (UDBS_SEG_SIZE) doorbell regions, each associated 2249 * with an egress queue. The first 64B has the doorbell 2250 * and the second 64B can be used to submit a tx work 2251 * request with an implicit doorbell. 2252 */ 2253 2254 rc = pmap_change_attr((vm_offset_t)sc->udbs_base, 2255 rman_get_size(sc->udbs_res), PAT_WRITE_COMBINING); 2256 if (rc == 0) { 2257 clrbit(&sc->doorbells, DOORBELL_UDB); 2258 setbit(&sc->doorbells, DOORBELL_WCWR); 2259 setbit(&sc->doorbells, DOORBELL_UDBWC); 2260 } else { 2261 device_printf(sc->dev, 2262 "couldn't enable write combining: %d\n", 2263 rc); 2264 } 2265 2266 mode = is_t5(sc) ? V_STATMODE(0) : V_T6_STATMODE(0); 2267 t4_write_reg(sc, A_SGE_STAT_CFG, 2268 V_STATSOURCE_T5(7) | mode); 2269 } 2270 #endif 2271 } 2272 2273 return (0); 2274 } 2275 2276 struct memwin_init { 2277 uint32_t base; 2278 uint32_t aperture; 2279 }; 2280 2281 static const struct memwin_init t4_memwin[NUM_MEMWIN] = { 2282 { MEMWIN0_BASE, MEMWIN0_APERTURE }, 2283 { MEMWIN1_BASE, MEMWIN1_APERTURE }, 2284 { MEMWIN2_BASE_T4, MEMWIN2_APERTURE_T4 } 2285 }; 2286 2287 static const struct memwin_init t5_memwin[NUM_MEMWIN] = { 2288 { MEMWIN0_BASE, MEMWIN0_APERTURE }, 2289 { MEMWIN1_BASE, MEMWIN1_APERTURE }, 2290 { MEMWIN2_BASE_T5, MEMWIN2_APERTURE_T5 }, 2291 }; 2292 2293 static void 2294 setup_memwin(struct adapter *sc) 2295 { 2296 const struct memwin_init *mw_init; 2297 struct memwin *mw; 2298 int i; 2299 uint32_t bar0; 2300 2301 if (is_t4(sc)) { 2302 /* 2303 * Read low 32b of bar0 indirectly via the hardware backdoor 2304 * mechanism. Works from within PCI passthrough environments 2305 * too, where rman_get_start() can return a different value. We 2306 * need to program the T4 memory window decoders with the actual 2307 * addresses that will be coming across the PCIe link. 2308 */ 2309 bar0 = t4_hw_pci_read_cfg4(sc, PCIR_BAR(0)); 2310 bar0 &= (uint32_t) PCIM_BAR_MEM_BASE; 2311 2312 mw_init = &t4_memwin[0]; 2313 } else { 2314 /* T5+ use the relative offset inside the PCIe BAR */ 2315 bar0 = 0; 2316 2317 mw_init = &t5_memwin[0]; 2318 } 2319 2320 for (i = 0, mw = &sc->memwin[0]; i < NUM_MEMWIN; i++, mw_init++, mw++) { 2321 rw_init(&mw->mw_lock, "memory window access"); 2322 mw->mw_base = mw_init->base; 2323 mw->mw_aperture = mw_init->aperture; 2324 mw->mw_curpos = 0; 2325 t4_write_reg(sc, 2326 PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, i), 2327 (mw->mw_base + bar0) | V_BIR(0) | 2328 V_WINDOW(ilog2(mw->mw_aperture) - 10)); 2329 rw_wlock(&mw->mw_lock); 2330 position_memwin(sc, i, 0); 2331 rw_wunlock(&mw->mw_lock); 2332 } 2333 2334 /* flush */ 2335 t4_read_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, 2)); 2336 } 2337 2338 /* 2339 * Positions the memory window at the given address in the card's address space. 2340 * There are some alignment requirements and the actual position may be at an 2341 * address prior to the requested address. mw->mw_curpos always has the actual 2342 * position of the window. 2343 */ 2344 static void 2345 position_memwin(struct adapter *sc, int idx, uint32_t addr) 2346 { 2347 struct memwin *mw; 2348 uint32_t pf; 2349 uint32_t reg; 2350 2351 MPASS(idx >= 0 && idx < NUM_MEMWIN); 2352 mw = &sc->memwin[idx]; 2353 rw_assert(&mw->mw_lock, RA_WLOCKED); 2354 2355 if (is_t4(sc)) { 2356 pf = 0; 2357 mw->mw_curpos = addr & ~0xf; /* start must be 16B aligned */ 2358 } else { 2359 pf = V_PFNUM(sc->pf); 2360 mw->mw_curpos = addr & ~0x7f; /* start must be 128B aligned */ 2361 } 2362 reg = PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, idx); 2363 t4_write_reg(sc, reg, mw->mw_curpos | pf); 2364 t4_read_reg(sc, reg); /* flush */ 2365 } 2366 2367 static int 2368 rw_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val, 2369 int len, int rw) 2370 { 2371 struct memwin *mw; 2372 uint32_t mw_end, v; 2373 2374 MPASS(idx >= 0 && idx < NUM_MEMWIN); 2375 2376 /* Memory can only be accessed in naturally aligned 4 byte units */ 2377 if (addr & 3 || len & 3 || len <= 0) 2378 return (EINVAL); 2379 2380 mw = &sc->memwin[idx]; 2381 while (len > 0) { 2382 rw_rlock(&mw->mw_lock); 2383 mw_end = mw->mw_curpos + mw->mw_aperture; 2384 if (addr >= mw_end || addr < mw->mw_curpos) { 2385 /* Will need to reposition the window */ 2386 if (!rw_try_upgrade(&mw->mw_lock)) { 2387 rw_runlock(&mw->mw_lock); 2388 rw_wlock(&mw->mw_lock); 2389 } 2390 rw_assert(&mw->mw_lock, RA_WLOCKED); 2391 position_memwin(sc, idx, addr); 2392 rw_downgrade(&mw->mw_lock); 2393 mw_end = mw->mw_curpos + mw->mw_aperture; 2394 } 2395 rw_assert(&mw->mw_lock, RA_RLOCKED); 2396 while (addr < mw_end && len > 0) { 2397 if (rw == 0) { 2398 v = t4_read_reg(sc, mw->mw_base + addr - 2399 mw->mw_curpos); 2400 *val++ = le32toh(v); 2401 } else { 2402 v = *val++; 2403 t4_write_reg(sc, mw->mw_base + addr - 2404 mw->mw_curpos, htole32(v)); 2405 } 2406 addr += 4; 2407 len -= 4; 2408 } 2409 rw_runlock(&mw->mw_lock); 2410 } 2411 2412 return (0); 2413 } 2414 2415 static inline int 2416 read_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val, 2417 int len) 2418 { 2419 2420 return (rw_via_memwin(sc, idx, addr, val, len, 0)); 2421 } 2422 2423 static inline int 2424 write_via_memwin(struct adapter *sc, int idx, uint32_t addr, 2425 const uint32_t *val, int len) 2426 { 2427 2428 return (rw_via_memwin(sc, idx, addr, (void *)(uintptr_t)val, len, 1)); 2429 } 2430 2431 static int 2432 t4_range_cmp(const void *a, const void *b) 2433 { 2434 return ((const struct t4_range *)a)->start - 2435 ((const struct t4_range *)b)->start; 2436 } 2437 2438 /* 2439 * Verify that the memory range specified by the addr/len pair is valid within 2440 * the card's address space. 2441 */ 2442 static int 2443 validate_mem_range(struct adapter *sc, uint32_t addr, int len) 2444 { 2445 struct t4_range mem_ranges[4], *r, *next; 2446 uint32_t em, addr_len; 2447 int i, n, remaining; 2448 2449 /* Memory can only be accessed in naturally aligned 4 byte units */ 2450 if (addr & 3 || len & 3 || len <= 0) 2451 return (EINVAL); 2452 2453 /* Enabled memories */ 2454 em = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE); 2455 2456 r = &mem_ranges[0]; 2457 n = 0; 2458 bzero(r, sizeof(mem_ranges)); 2459 if (em & F_EDRAM0_ENABLE) { 2460 addr_len = t4_read_reg(sc, A_MA_EDRAM0_BAR); 2461 r->size = G_EDRAM0_SIZE(addr_len) << 20; 2462 if (r->size > 0) { 2463 r->start = G_EDRAM0_BASE(addr_len) << 20; 2464 if (addr >= r->start && 2465 addr + len <= r->start + r->size) 2466 return (0); 2467 r++; 2468 n++; 2469 } 2470 } 2471 if (em & F_EDRAM1_ENABLE) { 2472 addr_len = t4_read_reg(sc, A_MA_EDRAM1_BAR); 2473 r->size = G_EDRAM1_SIZE(addr_len) << 20; 2474 if (r->size > 0) { 2475 r->start = G_EDRAM1_BASE(addr_len) << 20; 2476 if (addr >= r->start && 2477 addr + len <= r->start + r->size) 2478 return (0); 2479 r++; 2480 n++; 2481 } 2482 } 2483 if (em & F_EXT_MEM_ENABLE) { 2484 addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR); 2485 r->size = G_EXT_MEM_SIZE(addr_len) << 20; 2486 if (r->size > 0) { 2487 r->start = G_EXT_MEM_BASE(addr_len) << 20; 2488 if (addr >= r->start && 2489 addr + len <= r->start + r->size) 2490 return (0); 2491 r++; 2492 n++; 2493 } 2494 } 2495 if (is_t5(sc) && em & F_EXT_MEM1_ENABLE) { 2496 addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR); 2497 r->size = G_EXT_MEM1_SIZE(addr_len) << 20; 2498 if (r->size > 0) { 2499 r->start = G_EXT_MEM1_BASE(addr_len) << 20; 2500 if (addr >= r->start && 2501 addr + len <= r->start + r->size) 2502 return (0); 2503 r++; 2504 n++; 2505 } 2506 } 2507 MPASS(n <= nitems(mem_ranges)); 2508 2509 if (n > 1) { 2510 /* Sort and merge the ranges. */ 2511 qsort(mem_ranges, n, sizeof(struct t4_range), t4_range_cmp); 2512 2513 /* Start from index 0 and examine the next n - 1 entries. */ 2514 r = &mem_ranges[0]; 2515 for (remaining = n - 1; remaining > 0; remaining--, r++) { 2516 2517 MPASS(r->size > 0); /* r is a valid entry. */ 2518 next = r + 1; 2519 MPASS(next->size > 0); /* and so is the next one. */ 2520 2521 while (r->start + r->size >= next->start) { 2522 /* Merge the next one into the current entry. */ 2523 r->size = max(r->start + r->size, 2524 next->start + next->size) - r->start; 2525 n--; /* One fewer entry in total. */ 2526 if (--remaining == 0) 2527 goto done; /* short circuit */ 2528 next++; 2529 } 2530 if (next != r + 1) { 2531 /* 2532 * Some entries were merged into r and next 2533 * points to the first valid entry that couldn't 2534 * be merged. 2535 */ 2536 MPASS(next->size > 0); /* must be valid */ 2537 memcpy(r + 1, next, remaining * sizeof(*r)); 2538 #ifdef INVARIANTS 2539 /* 2540 * This so that the foo->size assertion in the 2541 * next iteration of the loop do the right 2542 * thing for entries that were pulled up and are 2543 * no longer valid. 2544 */ 2545 MPASS(n < nitems(mem_ranges)); 2546 bzero(&mem_ranges[n], (nitems(mem_ranges) - n) * 2547 sizeof(struct t4_range)); 2548 #endif 2549 } 2550 } 2551 done: 2552 /* Done merging the ranges. */ 2553 MPASS(n > 0); 2554 r = &mem_ranges[0]; 2555 for (i = 0; i < n; i++, r++) { 2556 if (addr >= r->start && 2557 addr + len <= r->start + r->size) 2558 return (0); 2559 } 2560 } 2561 2562 return (EFAULT); 2563 } 2564 2565 static int 2566 fwmtype_to_hwmtype(int mtype) 2567 { 2568 2569 switch (mtype) { 2570 case FW_MEMTYPE_EDC0: 2571 return (MEM_EDC0); 2572 case FW_MEMTYPE_EDC1: 2573 return (MEM_EDC1); 2574 case FW_MEMTYPE_EXTMEM: 2575 return (MEM_MC0); 2576 case FW_MEMTYPE_EXTMEM1: 2577 return (MEM_MC1); 2578 default: 2579 panic("%s: cannot translate fw mtype %d.", __func__, mtype); 2580 } 2581 } 2582 2583 /* 2584 * Verify that the memory range specified by the memtype/offset/len pair is 2585 * valid and lies entirely within the memtype specified. The global address of 2586 * the start of the range is returned in addr. 2587 */ 2588 static int 2589 validate_mt_off_len(struct adapter *sc, int mtype, uint32_t off, int len, 2590 uint32_t *addr) 2591 { 2592 uint32_t em, addr_len, maddr; 2593 2594 /* Memory can only be accessed in naturally aligned 4 byte units */ 2595 if (off & 3 || len & 3 || len == 0) 2596 return (EINVAL); 2597 2598 em = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE); 2599 switch (fwmtype_to_hwmtype(mtype)) { 2600 case MEM_EDC0: 2601 if (!(em & F_EDRAM0_ENABLE)) 2602 return (EINVAL); 2603 addr_len = t4_read_reg(sc, A_MA_EDRAM0_BAR); 2604 maddr = G_EDRAM0_BASE(addr_len) << 20; 2605 break; 2606 case MEM_EDC1: 2607 if (!(em & F_EDRAM1_ENABLE)) 2608 return (EINVAL); 2609 addr_len = t4_read_reg(sc, A_MA_EDRAM1_BAR); 2610 maddr = G_EDRAM1_BASE(addr_len) << 20; 2611 break; 2612 case MEM_MC: 2613 if (!(em & F_EXT_MEM_ENABLE)) 2614 return (EINVAL); 2615 addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR); 2616 maddr = G_EXT_MEM_BASE(addr_len) << 20; 2617 break; 2618 case MEM_MC1: 2619 if (!is_t5(sc) || !(em & F_EXT_MEM1_ENABLE)) 2620 return (EINVAL); 2621 addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR); 2622 maddr = G_EXT_MEM1_BASE(addr_len) << 20; 2623 break; 2624 default: 2625 return (EINVAL); 2626 } 2627 2628 *addr = maddr + off; /* global address */ 2629 return (validate_mem_range(sc, *addr, len)); 2630 } 2631 2632 static int 2633 fixup_devlog_params(struct adapter *sc) 2634 { 2635 struct devlog_params *dparams = &sc->params.devlog; 2636 int rc; 2637 2638 rc = validate_mt_off_len(sc, dparams->memtype, dparams->start, 2639 dparams->size, &dparams->addr); 2640 2641 return (rc); 2642 } 2643 2644 static int 2645 cfg_itype_and_nqueues(struct adapter *sc, struct intrs_and_queues *iaq) 2646 { 2647 int rc, itype, navail, nrxq, nports, n; 2648 int nofldrxq = 0; 2649 2650 nports = sc->params.nports; 2651 MPASS(nports > 0); 2652 2653 bzero(iaq, sizeof(*iaq)); 2654 iaq->num_vis = t4_num_vis; 2655 iaq->ntxq = t4_ntxq; 2656 iaq->ntxq_vi = t4_ntxq_vi; 2657 iaq->nrxq = nrxq = t4_nrxq; 2658 iaq->nrxq_vi = t4_nrxq_vi; 2659 #ifdef TCP_OFFLOAD 2660 if (is_offload(sc)) { 2661 iaq->nofldtxq = t4_nofldtxq; 2662 iaq->nofldtxq_vi = t4_nofldtxq_vi; 2663 iaq->nofldrxq = nofldrxq = t4_nofldrxq; 2664 iaq->nofldrxq_vi = t4_nofldrxq_vi; 2665 } 2666 #endif 2667 #ifdef DEV_NETMAP 2668 iaq->nnmtxq_vi = t4_nnmtxq_vi; 2669 iaq->nnmrxq_vi = t4_nnmrxq_vi; 2670 #endif 2671 2672 for (itype = INTR_MSIX; itype; itype >>= 1) { 2673 2674 if ((itype & t4_intr_types) == 0) 2675 continue; /* not allowed */ 2676 2677 if (itype == INTR_MSIX) 2678 navail = pci_msix_count(sc->dev); 2679 else if (itype == INTR_MSI) 2680 navail = pci_msi_count(sc->dev); 2681 else 2682 navail = 1; 2683 restart: 2684 if (navail == 0) 2685 continue; 2686 2687 iaq->intr_type = itype; 2688 iaq->intr_flags = 0; 2689 2690 /* 2691 * Best option: an interrupt vector for errors, one for the 2692 * firmware event queue, and one for every rxq (NIC and TOE) of 2693 * every VI. The VIs that support netmap use the same 2694 * interrupts for the NIC rx queues and the netmap rx queues 2695 * because only one set of queues is active at a time. 2696 */ 2697 iaq->nirq = T4_EXTRA_INTR; 2698 iaq->nirq += nports * (nrxq + nofldrxq); 2699 iaq->nirq += nports * (iaq->num_vis - 1) * 2700 max(iaq->nrxq_vi, iaq->nnmrxq_vi); /* See comment above. */ 2701 iaq->nirq += nports * (iaq->num_vis - 1) * iaq->nofldrxq_vi; 2702 if (iaq->nirq <= navail && 2703 (itype != INTR_MSI || powerof2(iaq->nirq))) { 2704 iaq->intr_flags = INTR_ALL; 2705 goto allocate; 2706 } 2707 2708 /* Disable the VIs (and netmap) if there aren't enough intrs */ 2709 if (iaq->num_vis > 1) { 2710 device_printf(sc->dev, "virtual interfaces disabled " 2711 "because num_vis=%u with current settings " 2712 "(nrxq=%u, nofldrxq=%u, nrxq_vi=%u nofldrxq_vi=%u, " 2713 "nnmrxq_vi=%u) would need %u interrupts but " 2714 "only %u are available.\n", iaq->num_vis, nrxq, 2715 nofldrxq, iaq->nrxq_vi, iaq->nofldrxq_vi, 2716 iaq->nnmrxq_vi, iaq->nirq, navail); 2717 iaq->num_vis = 1; 2718 iaq->ntxq_vi = iaq->nrxq_vi = 0; 2719 iaq->nofldtxq_vi = iaq->nofldrxq_vi = 0; 2720 iaq->nnmtxq_vi = iaq->nnmrxq_vi = 0; 2721 goto restart; 2722 } 2723 2724 /* 2725 * Second best option: a vector for errors, one for the firmware 2726 * event queue, and vectors for either all the NIC rx queues or 2727 * all the TOE rx queues. The queues that don't get vectors 2728 * will forward their interrupts to those that do. 2729 */ 2730 iaq->nirq = T4_EXTRA_INTR; 2731 if (nrxq >= nofldrxq) { 2732 iaq->intr_flags = INTR_RXQ; 2733 iaq->nirq += nports * nrxq; 2734 } else { 2735 iaq->intr_flags = INTR_OFLD_RXQ; 2736 iaq->nirq += nports * nofldrxq; 2737 } 2738 if (iaq->nirq <= navail && 2739 (itype != INTR_MSI || powerof2(iaq->nirq))) 2740 goto allocate; 2741 2742 /* 2743 * Next best option: an interrupt vector for errors, one for the 2744 * firmware event queue, and at least one per main-VI. At this 2745 * point we know we'll have to downsize nrxq and/or nofldrxq to 2746 * fit what's available to us. 2747 */ 2748 iaq->nirq = T4_EXTRA_INTR; 2749 iaq->nirq += nports; 2750 if (iaq->nirq <= navail) { 2751 int leftover = navail - iaq->nirq; 2752 int target = max(nrxq, nofldrxq); 2753 2754 iaq->intr_flags = nrxq >= nofldrxq ? 2755 INTR_RXQ : INTR_OFLD_RXQ; 2756 2757 n = 1; 2758 while (n < target && leftover >= nports) { 2759 leftover -= nports; 2760 iaq->nirq += nports; 2761 n++; 2762 } 2763 iaq->nrxq = min(n, nrxq); 2764 #ifdef TCP_OFFLOAD 2765 iaq->nofldrxq = min(n, nofldrxq); 2766 #endif 2767 2768 if (itype != INTR_MSI || powerof2(iaq->nirq)) 2769 goto allocate; 2770 } 2771 2772 /* 2773 * Least desirable option: one interrupt vector for everything. 2774 */ 2775 iaq->nirq = iaq->nrxq = 1; 2776 iaq->intr_flags = 0; 2777 #ifdef TCP_OFFLOAD 2778 if (is_offload(sc)) 2779 iaq->nofldrxq = 1; 2780 #endif 2781 allocate: 2782 navail = iaq->nirq; 2783 rc = 0; 2784 if (itype == INTR_MSIX) 2785 rc = pci_alloc_msix(sc->dev, &navail); 2786 else if (itype == INTR_MSI) 2787 rc = pci_alloc_msi(sc->dev, &navail); 2788 2789 if (rc == 0) { 2790 if (navail == iaq->nirq) 2791 return (0); 2792 2793 /* 2794 * Didn't get the number requested. Use whatever number 2795 * the kernel is willing to allocate (it's in navail). 2796 */ 2797 device_printf(sc->dev, "fewer vectors than requested, " 2798 "type=%d, req=%d, rcvd=%d; will downshift req.\n", 2799 itype, iaq->nirq, navail); 2800 pci_release_msi(sc->dev); 2801 goto restart; 2802 } 2803 2804 device_printf(sc->dev, 2805 "failed to allocate vectors:%d, type=%d, req=%d, rcvd=%d\n", 2806 itype, rc, iaq->nirq, navail); 2807 } 2808 2809 device_printf(sc->dev, 2810 "failed to find a usable interrupt type. " 2811 "allowed=%d, msi-x=%d, msi=%d, intx=1", t4_intr_types, 2812 pci_msix_count(sc->dev), pci_msi_count(sc->dev)); 2813 2814 return (ENXIO); 2815 } 2816 2817 #define FW_VERSION(chip) ( \ 2818 V_FW_HDR_FW_VER_MAJOR(chip##FW_VERSION_MAJOR) | \ 2819 V_FW_HDR_FW_VER_MINOR(chip##FW_VERSION_MINOR) | \ 2820 V_FW_HDR_FW_VER_MICRO(chip##FW_VERSION_MICRO) | \ 2821 V_FW_HDR_FW_VER_BUILD(chip##FW_VERSION_BUILD)) 2822 #define FW_INTFVER(chip, intf) (chip##FW_HDR_INTFVER_##intf) 2823 2824 struct fw_info { 2825 uint8_t chip; 2826 char *kld_name; 2827 char *fw_mod_name; 2828 struct fw_hdr fw_hdr; /* XXX: waste of space, need a sparse struct */ 2829 } fw_info[] = { 2830 { 2831 .chip = CHELSIO_T4, 2832 .kld_name = "t4fw_cfg", 2833 .fw_mod_name = "t4fw", 2834 .fw_hdr = { 2835 .chip = FW_HDR_CHIP_T4, 2836 .fw_ver = htobe32_const(FW_VERSION(T4)), 2837 .intfver_nic = FW_INTFVER(T4, NIC), 2838 .intfver_vnic = FW_INTFVER(T4, VNIC), 2839 .intfver_ofld = FW_INTFVER(T4, OFLD), 2840 .intfver_ri = FW_INTFVER(T4, RI), 2841 .intfver_iscsipdu = FW_INTFVER(T4, ISCSIPDU), 2842 .intfver_iscsi = FW_INTFVER(T4, ISCSI), 2843 .intfver_fcoepdu = FW_INTFVER(T4, FCOEPDU), 2844 .intfver_fcoe = FW_INTFVER(T4, FCOE), 2845 }, 2846 }, { 2847 .chip = CHELSIO_T5, 2848 .kld_name = "t5fw_cfg", 2849 .fw_mod_name = "t5fw", 2850 .fw_hdr = { 2851 .chip = FW_HDR_CHIP_T5, 2852 .fw_ver = htobe32_const(FW_VERSION(T5)), 2853 .intfver_nic = FW_INTFVER(T5, NIC), 2854 .intfver_vnic = FW_INTFVER(T5, VNIC), 2855 .intfver_ofld = FW_INTFVER(T5, OFLD), 2856 .intfver_ri = FW_INTFVER(T5, RI), 2857 .intfver_iscsipdu = FW_INTFVER(T5, ISCSIPDU), 2858 .intfver_iscsi = FW_INTFVER(T5, ISCSI), 2859 .intfver_fcoepdu = FW_INTFVER(T5, FCOEPDU), 2860 .intfver_fcoe = FW_INTFVER(T5, FCOE), 2861 }, 2862 }, { 2863 .chip = CHELSIO_T6, 2864 .kld_name = "t6fw_cfg", 2865 .fw_mod_name = "t6fw", 2866 .fw_hdr = { 2867 .chip = FW_HDR_CHIP_T6, 2868 .fw_ver = htobe32_const(FW_VERSION(T6)), 2869 .intfver_nic = FW_INTFVER(T6, NIC), 2870 .intfver_vnic = FW_INTFVER(T6, VNIC), 2871 .intfver_ofld = FW_INTFVER(T6, OFLD), 2872 .intfver_ri = FW_INTFVER(T6, RI), 2873 .intfver_iscsipdu = FW_INTFVER(T6, ISCSIPDU), 2874 .intfver_iscsi = FW_INTFVER(T6, ISCSI), 2875 .intfver_fcoepdu = FW_INTFVER(T6, FCOEPDU), 2876 .intfver_fcoe = FW_INTFVER(T6, FCOE), 2877 }, 2878 } 2879 }; 2880 2881 static struct fw_info * 2882 find_fw_info(int chip) 2883 { 2884 int i; 2885 2886 for (i = 0; i < nitems(fw_info); i++) { 2887 if (fw_info[i].chip == chip) 2888 return (&fw_info[i]); 2889 } 2890 return (NULL); 2891 } 2892 2893 /* 2894 * Is the given firmware API compatible with the one the driver was compiled 2895 * with? 2896 */ 2897 static int 2898 fw_compatible(const struct fw_hdr *hdr1, const struct fw_hdr *hdr2) 2899 { 2900 2901 /* short circuit if it's the exact same firmware version */ 2902 if (hdr1->chip == hdr2->chip && hdr1->fw_ver == hdr2->fw_ver) 2903 return (1); 2904 2905 /* 2906 * XXX: Is this too conservative? Perhaps I should limit this to the 2907 * features that are supported in the driver. 2908 */ 2909 #define SAME_INTF(x) (hdr1->intfver_##x == hdr2->intfver_##x) 2910 if (hdr1->chip == hdr2->chip && SAME_INTF(nic) && SAME_INTF(vnic) && 2911 SAME_INTF(ofld) && SAME_INTF(ri) && SAME_INTF(iscsipdu) && 2912 SAME_INTF(iscsi) && SAME_INTF(fcoepdu) && SAME_INTF(fcoe)) 2913 return (1); 2914 #undef SAME_INTF 2915 2916 return (0); 2917 } 2918 2919 /* 2920 * The firmware in the KLD is usable, but should it be installed? This routine 2921 * explains itself in detail if it indicates the KLD firmware should be 2922 * installed. 2923 */ 2924 static int 2925 should_install_kld_fw(struct adapter *sc, int card_fw_usable, int k, int c) 2926 { 2927 const char *reason; 2928 2929 if (!card_fw_usable) { 2930 reason = "incompatible or unusable"; 2931 goto install; 2932 } 2933 2934 if (k > c) { 2935 reason = "older than the version bundled with this driver"; 2936 goto install; 2937 } 2938 2939 if (t4_fw_install == 2 && k != c) { 2940 reason = "different than the version bundled with this driver"; 2941 goto install; 2942 } 2943 2944 return (0); 2945 2946 install: 2947 if (t4_fw_install == 0) { 2948 device_printf(sc->dev, "firmware on card (%u.%u.%u.%u) is %s, " 2949 "but the driver is prohibited from installing a different " 2950 "firmware on the card.\n", 2951 G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c), 2952 G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), reason); 2953 2954 return (0); 2955 } 2956 2957 device_printf(sc->dev, "firmware on card (%u.%u.%u.%u) is %s, " 2958 "installing firmware %u.%u.%u.%u on card.\n", 2959 G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c), 2960 G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), reason, 2961 G_FW_HDR_FW_VER_MAJOR(k), G_FW_HDR_FW_VER_MINOR(k), 2962 G_FW_HDR_FW_VER_MICRO(k), G_FW_HDR_FW_VER_BUILD(k)); 2963 2964 return (1); 2965 } 2966 2967 /* 2968 * Establish contact with the firmware and determine if we are the master driver 2969 * or not, and whether we are responsible for chip initialization. 2970 */ 2971 static int 2972 prep_firmware(struct adapter *sc) 2973 { 2974 const struct firmware *fw = NULL, *default_cfg; 2975 int rc, pf, card_fw_usable, kld_fw_usable, need_fw_reset = 1; 2976 enum dev_state state; 2977 struct fw_info *fw_info; 2978 struct fw_hdr *card_fw; /* fw on the card */ 2979 const struct fw_hdr *kld_fw; /* fw in the KLD */ 2980 const struct fw_hdr *drv_fw; /* fw header the driver was compiled 2981 against */ 2982 2983 /* This is the firmware whose headers the driver was compiled against */ 2984 fw_info = find_fw_info(chip_id(sc)); 2985 if (fw_info == NULL) { 2986 device_printf(sc->dev, 2987 "unable to look up firmware information for chip %d.\n", 2988 chip_id(sc)); 2989 return (EINVAL); 2990 } 2991 drv_fw = &fw_info->fw_hdr; 2992 2993 /* 2994 * The firmware KLD contains many modules. The KLD name is also the 2995 * name of the module that contains the default config file. 2996 */ 2997 default_cfg = firmware_get(fw_info->kld_name); 2998 2999 /* This is the firmware in the KLD */ 3000 fw = firmware_get(fw_info->fw_mod_name); 3001 if (fw != NULL) { 3002 kld_fw = (const void *)fw->data; 3003 kld_fw_usable = fw_compatible(drv_fw, kld_fw); 3004 } else { 3005 kld_fw = NULL; 3006 kld_fw_usable = 0; 3007 } 3008 3009 /* Read the header of the firmware on the card */ 3010 card_fw = malloc(sizeof(*card_fw), M_CXGBE, M_ZERO | M_WAITOK); 3011 rc = -t4_read_flash(sc, FLASH_FW_START, 3012 sizeof (*card_fw) / sizeof (uint32_t), (uint32_t *)card_fw, 1); 3013 if (rc == 0) { 3014 card_fw_usable = fw_compatible(drv_fw, (const void*)card_fw); 3015 if (card_fw->fw_ver == be32toh(0xffffffff)) { 3016 uint32_t d = be32toh(kld_fw->fw_ver); 3017 3018 if (!kld_fw_usable) { 3019 device_printf(sc->dev, 3020 "no firmware on the card and no usable " 3021 "firmware bundled with the driver.\n"); 3022 rc = EIO; 3023 goto done; 3024 } else if (t4_fw_install == 0) { 3025 device_printf(sc->dev, 3026 "no firmware on the card and the driver " 3027 "is prohibited from installing new " 3028 "firmware.\n"); 3029 rc = EIO; 3030 goto done; 3031 } 3032 3033 device_printf(sc->dev, "no firmware on the card, " 3034 "installing firmware %d.%d.%d.%d\n", 3035 G_FW_HDR_FW_VER_MAJOR(d), G_FW_HDR_FW_VER_MINOR(d), 3036 G_FW_HDR_FW_VER_MICRO(d), G_FW_HDR_FW_VER_BUILD(d)); 3037 rc = t4_fw_forceinstall(sc, fw->data, fw->datasize); 3038 if (rc < 0) { 3039 rc = -rc; 3040 device_printf(sc->dev, 3041 "firmware install failed: %d.\n", rc); 3042 goto done; 3043 } 3044 memcpy(card_fw, kld_fw, sizeof(*card_fw)); 3045 card_fw_usable = 1; 3046 need_fw_reset = 0; 3047 } 3048 } else { 3049 device_printf(sc->dev, 3050 "Unable to read card's firmware header: %d\n", rc); 3051 card_fw_usable = 0; 3052 } 3053 3054 /* Contact firmware. */ 3055 rc = t4_fw_hello(sc, sc->mbox, sc->mbox, MASTER_MAY, &state); 3056 if (rc < 0 || state == DEV_STATE_ERR) { 3057 rc = -rc; 3058 device_printf(sc->dev, 3059 "failed to connect to the firmware: %d, %d.\n", rc, state); 3060 goto done; 3061 } 3062 pf = rc; 3063 if (pf == sc->mbox) 3064 sc->flags |= MASTER_PF; 3065 else if (state == DEV_STATE_UNINIT) { 3066 /* 3067 * We didn't get to be the master so we definitely won't be 3068 * configuring the chip. It's a bug if someone else hasn't 3069 * configured it already. 3070 */ 3071 device_printf(sc->dev, "couldn't be master(%d), " 3072 "device not already initialized either(%d).\n", rc, state); 3073 rc = EPROTO; 3074 goto done; 3075 } 3076 3077 if (card_fw_usable && card_fw->fw_ver == drv_fw->fw_ver && 3078 (!kld_fw_usable || kld_fw->fw_ver == drv_fw->fw_ver)) { 3079 /* 3080 * Common case: the firmware on the card is an exact match and 3081 * the KLD is an exact match too, or the KLD is 3082 * absent/incompatible. Note that t4_fw_install = 2 is ignored 3083 * here -- use cxgbetool loadfw if you want to reinstall the 3084 * same firmware as the one on the card. 3085 */ 3086 } else if (kld_fw_usable && state == DEV_STATE_UNINIT && 3087 should_install_kld_fw(sc, card_fw_usable, be32toh(kld_fw->fw_ver), 3088 be32toh(card_fw->fw_ver))) { 3089 3090 rc = -t4_fw_upgrade(sc, sc->mbox, fw->data, fw->datasize, 0); 3091 if (rc != 0) { 3092 device_printf(sc->dev, 3093 "failed to install firmware: %d\n", rc); 3094 goto done; 3095 } 3096 3097 /* Installed successfully, update the cached header too. */ 3098 memcpy(card_fw, kld_fw, sizeof(*card_fw)); 3099 card_fw_usable = 1; 3100 need_fw_reset = 0; /* already reset as part of load_fw */ 3101 } 3102 3103 if (!card_fw_usable) { 3104 uint32_t d, c, k; 3105 3106 d = ntohl(drv_fw->fw_ver); 3107 c = ntohl(card_fw->fw_ver); 3108 k = kld_fw ? ntohl(kld_fw->fw_ver) : 0; 3109 3110 device_printf(sc->dev, "Cannot find a usable firmware: " 3111 "fw_install %d, chip state %d, " 3112 "driver compiled with %d.%d.%d.%d, " 3113 "card has %d.%d.%d.%d, KLD has %d.%d.%d.%d\n", 3114 t4_fw_install, state, 3115 G_FW_HDR_FW_VER_MAJOR(d), G_FW_HDR_FW_VER_MINOR(d), 3116 G_FW_HDR_FW_VER_MICRO(d), G_FW_HDR_FW_VER_BUILD(d), 3117 G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c), 3118 G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), 3119 G_FW_HDR_FW_VER_MAJOR(k), G_FW_HDR_FW_VER_MINOR(k), 3120 G_FW_HDR_FW_VER_MICRO(k), G_FW_HDR_FW_VER_BUILD(k)); 3121 rc = EINVAL; 3122 goto done; 3123 } 3124 3125 /* Reset device */ 3126 if (need_fw_reset && 3127 (rc = -t4_fw_reset(sc, sc->mbox, F_PIORSTMODE | F_PIORST)) != 0) { 3128 device_printf(sc->dev, "firmware reset failed: %d.\n", rc); 3129 if (rc != ETIMEDOUT && rc != EIO) 3130 t4_fw_bye(sc, sc->mbox); 3131 goto done; 3132 } 3133 sc->flags |= FW_OK; 3134 3135 rc = get_params__pre_init(sc); 3136 if (rc != 0) 3137 goto done; /* error message displayed already */ 3138 3139 /* Partition adapter resources as specified in the config file. */ 3140 if (state == DEV_STATE_UNINIT) { 3141 3142 KASSERT(sc->flags & MASTER_PF, 3143 ("%s: trying to change chip settings when not master.", 3144 __func__)); 3145 3146 rc = partition_resources(sc, default_cfg, fw_info->kld_name); 3147 if (rc != 0) 3148 goto done; /* error message displayed already */ 3149 3150 t4_tweak_chip_settings(sc); 3151 3152 /* get basic stuff going */ 3153 rc = -t4_fw_initialize(sc, sc->mbox); 3154 if (rc != 0) { 3155 device_printf(sc->dev, "fw init failed: %d.\n", rc); 3156 goto done; 3157 } 3158 } else { 3159 snprintf(sc->cfg_file, sizeof(sc->cfg_file), "pf%d", pf); 3160 sc->cfcsum = 0; 3161 } 3162 3163 done: 3164 free(card_fw, M_CXGBE); 3165 if (fw != NULL) 3166 firmware_put(fw, FIRMWARE_UNLOAD); 3167 if (default_cfg != NULL) 3168 firmware_put(default_cfg, FIRMWARE_UNLOAD); 3169 3170 return (rc); 3171 } 3172 3173 #define FW_PARAM_DEV(param) \ 3174 (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \ 3175 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param)) 3176 #define FW_PARAM_PFVF(param) \ 3177 (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \ 3178 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param)) 3179 3180 /* 3181 * Partition chip resources for use between various PFs, VFs, etc. 3182 */ 3183 static int 3184 partition_resources(struct adapter *sc, const struct firmware *default_cfg, 3185 const char *name_prefix) 3186 { 3187 const struct firmware *cfg = NULL; 3188 int rc = 0; 3189 struct fw_caps_config_cmd caps; 3190 uint32_t mtype, moff, finicsum, cfcsum; 3191 3192 /* 3193 * Figure out what configuration file to use. Pick the default config 3194 * file for the card if the user hasn't specified one explicitly. 3195 */ 3196 snprintf(sc->cfg_file, sizeof(sc->cfg_file), "%s", t4_cfg_file); 3197 if (strncmp(t4_cfg_file, DEFAULT_CF, sizeof(t4_cfg_file)) == 0) { 3198 /* Card specific overrides go here. */ 3199 if (pci_get_device(sc->dev) == 0x440a) 3200 snprintf(sc->cfg_file, sizeof(sc->cfg_file), UWIRE_CF); 3201 if (is_fpga(sc)) 3202 snprintf(sc->cfg_file, sizeof(sc->cfg_file), FPGA_CF); 3203 } 3204 3205 /* 3206 * We need to load another module if the profile is anything except 3207 * "default" or "flash". 3208 */ 3209 if (strncmp(sc->cfg_file, DEFAULT_CF, sizeof(sc->cfg_file)) != 0 && 3210 strncmp(sc->cfg_file, FLASH_CF, sizeof(sc->cfg_file)) != 0) { 3211 char s[32]; 3212 3213 snprintf(s, sizeof(s), "%s_%s", name_prefix, sc->cfg_file); 3214 cfg = firmware_get(s); 3215 if (cfg == NULL) { 3216 if (default_cfg != NULL) { 3217 device_printf(sc->dev, 3218 "unable to load module \"%s\" for " 3219 "configuration profile \"%s\", will use " 3220 "the default config file instead.\n", 3221 s, sc->cfg_file); 3222 snprintf(sc->cfg_file, sizeof(sc->cfg_file), 3223 "%s", DEFAULT_CF); 3224 } else { 3225 device_printf(sc->dev, 3226 "unable to load module \"%s\" for " 3227 "configuration profile \"%s\", will use " 3228 "the config file on the card's flash " 3229 "instead.\n", s, sc->cfg_file); 3230 snprintf(sc->cfg_file, sizeof(sc->cfg_file), 3231 "%s", FLASH_CF); 3232 } 3233 } 3234 } 3235 3236 if (strncmp(sc->cfg_file, DEFAULT_CF, sizeof(sc->cfg_file)) == 0 && 3237 default_cfg == NULL) { 3238 device_printf(sc->dev, 3239 "default config file not available, will use the config " 3240 "file on the card's flash instead.\n"); 3241 snprintf(sc->cfg_file, sizeof(sc->cfg_file), "%s", FLASH_CF); 3242 } 3243 3244 if (strncmp(sc->cfg_file, FLASH_CF, sizeof(sc->cfg_file)) != 0) { 3245 u_int cflen; 3246 const uint32_t *cfdata; 3247 uint32_t param, val, addr; 3248 3249 KASSERT(cfg != NULL || default_cfg != NULL, 3250 ("%s: no config to upload", __func__)); 3251 3252 /* 3253 * Ask the firmware where it wants us to upload the config file. 3254 */ 3255 param = FW_PARAM_DEV(CF); 3256 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, ¶m, &val); 3257 if (rc != 0) { 3258 /* No support for config file? Shouldn't happen. */ 3259 device_printf(sc->dev, 3260 "failed to query config file location: %d.\n", rc); 3261 goto done; 3262 } 3263 mtype = G_FW_PARAMS_PARAM_Y(val); 3264 moff = G_FW_PARAMS_PARAM_Z(val) << 16; 3265 3266 /* 3267 * XXX: sheer laziness. We deliberately added 4 bytes of 3268 * useless stuffing/comments at the end of the config file so 3269 * it's ok to simply throw away the last remaining bytes when 3270 * the config file is not an exact multiple of 4. This also 3271 * helps with the validate_mt_off_len check. 3272 */ 3273 if (cfg != NULL) { 3274 cflen = cfg->datasize & ~3; 3275 cfdata = cfg->data; 3276 } else { 3277 cflen = default_cfg->datasize & ~3; 3278 cfdata = default_cfg->data; 3279 } 3280 3281 if (cflen > FLASH_CFG_MAX_SIZE) { 3282 device_printf(sc->dev, 3283 "config file too long (%d, max allowed is %d). " 3284 "Will try to use the config on the card, if any.\n", 3285 cflen, FLASH_CFG_MAX_SIZE); 3286 goto use_config_on_flash; 3287 } 3288 3289 rc = validate_mt_off_len(sc, mtype, moff, cflen, &addr); 3290 if (rc != 0) { 3291 device_printf(sc->dev, 3292 "%s: addr (%d/0x%x) or len %d is not valid: %d. " 3293 "Will try to use the config on the card, if any.\n", 3294 __func__, mtype, moff, cflen, rc); 3295 goto use_config_on_flash; 3296 } 3297 write_via_memwin(sc, 2, addr, cfdata, cflen); 3298 } else { 3299 use_config_on_flash: 3300 mtype = FW_MEMTYPE_FLASH; 3301 moff = t4_flash_cfg_addr(sc); 3302 } 3303 3304 bzero(&caps, sizeof(caps)); 3305 caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) | 3306 F_FW_CMD_REQUEST | F_FW_CMD_READ); 3307 caps.cfvalid_to_len16 = htobe32(F_FW_CAPS_CONFIG_CMD_CFVALID | 3308 V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) | 3309 V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(moff >> 16) | FW_LEN16(caps)); 3310 rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), &caps); 3311 if (rc != 0) { 3312 device_printf(sc->dev, 3313 "failed to pre-process config file: %d " 3314 "(mtype %d, moff 0x%x).\n", rc, mtype, moff); 3315 goto done; 3316 } 3317 3318 finicsum = be32toh(caps.finicsum); 3319 cfcsum = be32toh(caps.cfcsum); 3320 if (finicsum != cfcsum) { 3321 device_printf(sc->dev, 3322 "WARNING: config file checksum mismatch: %08x %08x\n", 3323 finicsum, cfcsum); 3324 } 3325 sc->cfcsum = cfcsum; 3326 3327 #define LIMIT_CAPS(x) do { \ 3328 caps.x &= htobe16(t4_##x##_allowed); \ 3329 } while (0) 3330 3331 /* 3332 * Let the firmware know what features will (not) be used so it can tune 3333 * things accordingly. 3334 */ 3335 LIMIT_CAPS(nbmcaps); 3336 LIMIT_CAPS(linkcaps); 3337 LIMIT_CAPS(switchcaps); 3338 LIMIT_CAPS(niccaps); 3339 LIMIT_CAPS(toecaps); 3340 LIMIT_CAPS(rdmacaps); 3341 LIMIT_CAPS(cryptocaps); 3342 LIMIT_CAPS(iscsicaps); 3343 LIMIT_CAPS(fcoecaps); 3344 #undef LIMIT_CAPS 3345 3346 caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) | 3347 F_FW_CMD_REQUEST | F_FW_CMD_WRITE); 3348 caps.cfvalid_to_len16 = htobe32(FW_LEN16(caps)); 3349 rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), NULL); 3350 if (rc != 0) { 3351 device_printf(sc->dev, 3352 "failed to process config file: %d.\n", rc); 3353 } 3354 done: 3355 if (cfg != NULL) 3356 firmware_put(cfg, FIRMWARE_UNLOAD); 3357 return (rc); 3358 } 3359 3360 /* 3361 * Retrieve parameters that are needed (or nice to have) very early. 3362 */ 3363 static int 3364 get_params__pre_init(struct adapter *sc) 3365 { 3366 int rc; 3367 uint32_t param[2], val[2]; 3368 3369 t4_get_version_info(sc); 3370 3371 snprintf(sc->fw_version, sizeof(sc->fw_version), "%u.%u.%u.%u", 3372 G_FW_HDR_FW_VER_MAJOR(sc->params.fw_vers), 3373 G_FW_HDR_FW_VER_MINOR(sc->params.fw_vers), 3374 G_FW_HDR_FW_VER_MICRO(sc->params.fw_vers), 3375 G_FW_HDR_FW_VER_BUILD(sc->params.fw_vers)); 3376 3377 snprintf(sc->bs_version, sizeof(sc->bs_version), "%u.%u.%u.%u", 3378 G_FW_HDR_FW_VER_MAJOR(sc->params.bs_vers), 3379 G_FW_HDR_FW_VER_MINOR(sc->params.bs_vers), 3380 G_FW_HDR_FW_VER_MICRO(sc->params.bs_vers), 3381 G_FW_HDR_FW_VER_BUILD(sc->params.bs_vers)); 3382 3383 snprintf(sc->tp_version, sizeof(sc->tp_version), "%u.%u.%u.%u", 3384 G_FW_HDR_FW_VER_MAJOR(sc->params.tp_vers), 3385 G_FW_HDR_FW_VER_MINOR(sc->params.tp_vers), 3386 G_FW_HDR_FW_VER_MICRO(sc->params.tp_vers), 3387 G_FW_HDR_FW_VER_BUILD(sc->params.tp_vers)); 3388 3389 snprintf(sc->er_version, sizeof(sc->er_version), "%u.%u.%u.%u", 3390 G_FW_HDR_FW_VER_MAJOR(sc->params.er_vers), 3391 G_FW_HDR_FW_VER_MINOR(sc->params.er_vers), 3392 G_FW_HDR_FW_VER_MICRO(sc->params.er_vers), 3393 G_FW_HDR_FW_VER_BUILD(sc->params.er_vers)); 3394 3395 param[0] = FW_PARAM_DEV(PORTVEC); 3396 param[1] = FW_PARAM_DEV(CCLK); 3397 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val); 3398 if (rc != 0) { 3399 device_printf(sc->dev, 3400 "failed to query parameters (pre_init): %d.\n", rc); 3401 return (rc); 3402 } 3403 3404 sc->params.portvec = val[0]; 3405 sc->params.nports = bitcount32(val[0]); 3406 sc->params.vpd.cclk = val[1]; 3407 3408 /* Read device log parameters. */ 3409 rc = -t4_init_devlog_params(sc, 1); 3410 if (rc == 0) 3411 fixup_devlog_params(sc); 3412 else { 3413 device_printf(sc->dev, 3414 "failed to get devlog parameters: %d.\n", rc); 3415 rc = 0; /* devlog isn't critical for device operation */ 3416 } 3417 3418 return (rc); 3419 } 3420 3421 /* 3422 * Retrieve various parameters that are of interest to the driver. The device 3423 * has been initialized by the firmware at this point. 3424 */ 3425 static int 3426 get_params__post_init(struct adapter *sc) 3427 { 3428 int rc; 3429 uint32_t param[7], val[7]; 3430 struct fw_caps_config_cmd caps; 3431 3432 param[0] = FW_PARAM_PFVF(IQFLINT_START); 3433 param[1] = FW_PARAM_PFVF(EQ_START); 3434 param[2] = FW_PARAM_PFVF(FILTER_START); 3435 param[3] = FW_PARAM_PFVF(FILTER_END); 3436 param[4] = FW_PARAM_PFVF(L2T_START); 3437 param[5] = FW_PARAM_PFVF(L2T_END); 3438 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val); 3439 if (rc != 0) { 3440 device_printf(sc->dev, 3441 "failed to query parameters (post_init): %d.\n", rc); 3442 return (rc); 3443 } 3444 3445 sc->sge.iq_start = val[0]; 3446 sc->sge.eq_start = val[1]; 3447 sc->tids.ftid_base = val[2]; 3448 sc->tids.nftids = val[3] - val[2] + 1; 3449 sc->params.ftid_min = val[2]; 3450 sc->params.ftid_max = val[3]; 3451 sc->vres.l2t.start = val[4]; 3452 sc->vres.l2t.size = val[5] - val[4] + 1; 3453 KASSERT(sc->vres.l2t.size <= L2T_SIZE, 3454 ("%s: L2 table size (%u) larger than expected (%u)", 3455 __func__, sc->vres.l2t.size, L2T_SIZE)); 3456 3457 /* 3458 * MPSBGMAP is queried separately because only recent firmwares support 3459 * it as a parameter and we don't want the compound query above to fail 3460 * on older firmwares. 3461 */ 3462 param[0] = FW_PARAM_DEV(MPSBGMAP); 3463 val[0] = 0; 3464 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val); 3465 if (rc == 0) 3466 sc->params.mps_bg_map = val[0]; 3467 else 3468 sc->params.mps_bg_map = 0; 3469 3470 /* get capabilites */ 3471 bzero(&caps, sizeof(caps)); 3472 caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) | 3473 F_FW_CMD_REQUEST | F_FW_CMD_READ); 3474 caps.cfvalid_to_len16 = htobe32(FW_LEN16(caps)); 3475 rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), &caps); 3476 if (rc != 0) { 3477 device_printf(sc->dev, 3478 "failed to get card capabilities: %d.\n", rc); 3479 return (rc); 3480 } 3481 3482 #define READ_CAPS(x) do { \ 3483 sc->x = htobe16(caps.x); \ 3484 } while (0) 3485 READ_CAPS(nbmcaps); 3486 READ_CAPS(linkcaps); 3487 READ_CAPS(switchcaps); 3488 READ_CAPS(niccaps); 3489 READ_CAPS(toecaps); 3490 READ_CAPS(rdmacaps); 3491 READ_CAPS(cryptocaps); 3492 READ_CAPS(iscsicaps); 3493 READ_CAPS(fcoecaps); 3494 3495 /* 3496 * The firmware attempts memfree TOE configuration for -SO cards and 3497 * will report toecaps=0 if it runs out of resources (this depends on 3498 * the config file). It may not report 0 for other capabilities 3499 * dependent on the TOE in this case. Set them to 0 here so that the 3500 * driver doesn't bother tracking resources that will never be used. 3501 */ 3502 if (sc->toecaps == 0) { 3503 sc->iscsicaps = 0; 3504 sc->rdmacaps = 0; 3505 } 3506 3507 if (sc->niccaps & FW_CAPS_CONFIG_NIC_ETHOFLD) { 3508 param[0] = FW_PARAM_PFVF(ETHOFLD_START); 3509 param[1] = FW_PARAM_PFVF(ETHOFLD_END); 3510 param[2] = FW_PARAM_DEV(FLOWC_BUFFIFO_SZ); 3511 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 3, param, val); 3512 if (rc != 0) { 3513 device_printf(sc->dev, 3514 "failed to query NIC parameters: %d.\n", rc); 3515 return (rc); 3516 } 3517 sc->tids.etid_base = val[0]; 3518 sc->params.etid_min = val[0]; 3519 sc->tids.netids = val[1] - val[0] + 1; 3520 sc->params.netids = sc->tids.netids; 3521 sc->params.eo_wr_cred = val[2]; 3522 sc->params.ethoffload = 1; 3523 } 3524 3525 if (sc->toecaps) { 3526 /* query offload-related parameters */ 3527 param[0] = FW_PARAM_DEV(NTID); 3528 param[1] = FW_PARAM_PFVF(SERVER_START); 3529 param[2] = FW_PARAM_PFVF(SERVER_END); 3530 param[3] = FW_PARAM_PFVF(TDDP_START); 3531 param[4] = FW_PARAM_PFVF(TDDP_END); 3532 param[5] = FW_PARAM_DEV(FLOWC_BUFFIFO_SZ); 3533 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val); 3534 if (rc != 0) { 3535 device_printf(sc->dev, 3536 "failed to query TOE parameters: %d.\n", rc); 3537 return (rc); 3538 } 3539 sc->tids.ntids = val[0]; 3540 sc->tids.natids = min(sc->tids.ntids / 2, MAX_ATIDS); 3541 sc->tids.stid_base = val[1]; 3542 sc->tids.nstids = val[2] - val[1] + 1; 3543 sc->vres.ddp.start = val[3]; 3544 sc->vres.ddp.size = val[4] - val[3] + 1; 3545 sc->params.ofldq_wr_cred = val[5]; 3546 sc->params.offload = 1; 3547 } 3548 if (sc->rdmacaps) { 3549 param[0] = FW_PARAM_PFVF(STAG_START); 3550 param[1] = FW_PARAM_PFVF(STAG_END); 3551 param[2] = FW_PARAM_PFVF(RQ_START); 3552 param[3] = FW_PARAM_PFVF(RQ_END); 3553 param[4] = FW_PARAM_PFVF(PBL_START); 3554 param[5] = FW_PARAM_PFVF(PBL_END); 3555 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val); 3556 if (rc != 0) { 3557 device_printf(sc->dev, 3558 "failed to query RDMA parameters(1): %d.\n", rc); 3559 return (rc); 3560 } 3561 sc->vres.stag.start = val[0]; 3562 sc->vres.stag.size = val[1] - val[0] + 1; 3563 sc->vres.rq.start = val[2]; 3564 sc->vres.rq.size = val[3] - val[2] + 1; 3565 sc->vres.pbl.start = val[4]; 3566 sc->vres.pbl.size = val[5] - val[4] + 1; 3567 3568 param[0] = FW_PARAM_PFVF(SQRQ_START); 3569 param[1] = FW_PARAM_PFVF(SQRQ_END); 3570 param[2] = FW_PARAM_PFVF(CQ_START); 3571 param[3] = FW_PARAM_PFVF(CQ_END); 3572 param[4] = FW_PARAM_PFVF(OCQ_START); 3573 param[5] = FW_PARAM_PFVF(OCQ_END); 3574 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val); 3575 if (rc != 0) { 3576 device_printf(sc->dev, 3577 "failed to query RDMA parameters(2): %d.\n", rc); 3578 return (rc); 3579 } 3580 sc->vres.qp.start = val[0]; 3581 sc->vres.qp.size = val[1] - val[0] + 1; 3582 sc->vres.cq.start = val[2]; 3583 sc->vres.cq.size = val[3] - val[2] + 1; 3584 sc->vres.ocq.start = val[4]; 3585 sc->vres.ocq.size = val[5] - val[4] + 1; 3586 3587 param[0] = FW_PARAM_PFVF(SRQ_START); 3588 param[1] = FW_PARAM_PFVF(SRQ_END); 3589 param[2] = FW_PARAM_DEV(MAXORDIRD_QP); 3590 param[3] = FW_PARAM_DEV(MAXIRD_ADAPTER); 3591 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 4, param, val); 3592 if (rc != 0) { 3593 device_printf(sc->dev, 3594 "failed to query RDMA parameters(3): %d.\n", rc); 3595 return (rc); 3596 } 3597 sc->vres.srq.start = val[0]; 3598 sc->vres.srq.size = val[1] - val[0] + 1; 3599 sc->params.max_ordird_qp = val[2]; 3600 sc->params.max_ird_adapter = val[3]; 3601 } 3602 if (sc->iscsicaps) { 3603 param[0] = FW_PARAM_PFVF(ISCSI_START); 3604 param[1] = FW_PARAM_PFVF(ISCSI_END); 3605 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val); 3606 if (rc != 0) { 3607 device_printf(sc->dev, 3608 "failed to query iSCSI parameters: %d.\n", rc); 3609 return (rc); 3610 } 3611 sc->vres.iscsi.start = val[0]; 3612 sc->vres.iscsi.size = val[1] - val[0] + 1; 3613 } 3614 3615 t4_init_sge_params(sc); 3616 3617 /* 3618 * We've got the params we wanted to query via the firmware. Now grab 3619 * some others directly from the chip. 3620 */ 3621 rc = t4_read_chip_settings(sc); 3622 3623 return (rc); 3624 } 3625 3626 static int 3627 set_params__post_init(struct adapter *sc) 3628 { 3629 uint32_t param, val; 3630 #ifdef TCP_OFFLOAD 3631 int i, v, shift; 3632 #endif 3633 3634 /* ask for encapsulated CPLs */ 3635 param = FW_PARAM_PFVF(CPLFW4MSG_ENCAP); 3636 val = 1; 3637 (void)t4_set_params(sc, sc->mbox, sc->pf, 0, 1, ¶m, &val); 3638 3639 #ifdef TCP_OFFLOAD 3640 /* 3641 * Override the TOE timers with user provided tunables. This is not the 3642 * recommended way to change the timers (the firmware config file is) so 3643 * these tunables are not documented. 3644 * 3645 * All the timer tunables are in microseconds. 3646 */ 3647 if (t4_toe_keepalive_idle != 0) { 3648 v = us_to_tcp_ticks(sc, t4_toe_keepalive_idle); 3649 v &= M_KEEPALIVEIDLE; 3650 t4_set_reg_field(sc, A_TP_KEEP_IDLE, 3651 V_KEEPALIVEIDLE(M_KEEPALIVEIDLE), V_KEEPALIVEIDLE(v)); 3652 } 3653 if (t4_toe_keepalive_interval != 0) { 3654 v = us_to_tcp_ticks(sc, t4_toe_keepalive_interval); 3655 v &= M_KEEPALIVEINTVL; 3656 t4_set_reg_field(sc, A_TP_KEEP_INTVL, 3657 V_KEEPALIVEINTVL(M_KEEPALIVEINTVL), V_KEEPALIVEINTVL(v)); 3658 } 3659 if (t4_toe_keepalive_count != 0) { 3660 v = t4_toe_keepalive_count & M_KEEPALIVEMAXR2; 3661 t4_set_reg_field(sc, A_TP_SHIFT_CNT, 3662 V_KEEPALIVEMAXR1(M_KEEPALIVEMAXR1) | 3663 V_KEEPALIVEMAXR2(M_KEEPALIVEMAXR2), 3664 V_KEEPALIVEMAXR1(1) | V_KEEPALIVEMAXR2(v)); 3665 } 3666 if (t4_toe_rexmt_min != 0) { 3667 v = us_to_tcp_ticks(sc, t4_toe_rexmt_min); 3668 v &= M_RXTMIN; 3669 t4_set_reg_field(sc, A_TP_RXT_MIN, 3670 V_RXTMIN(M_RXTMIN), V_RXTMIN(v)); 3671 } 3672 if (t4_toe_rexmt_max != 0) { 3673 v = us_to_tcp_ticks(sc, t4_toe_rexmt_max); 3674 v &= M_RXTMAX; 3675 t4_set_reg_field(sc, A_TP_RXT_MAX, 3676 V_RXTMAX(M_RXTMAX), V_RXTMAX(v)); 3677 } 3678 if (t4_toe_rexmt_count != 0) { 3679 v = t4_toe_rexmt_count & M_RXTSHIFTMAXR2; 3680 t4_set_reg_field(sc, A_TP_SHIFT_CNT, 3681 V_RXTSHIFTMAXR1(M_RXTSHIFTMAXR1) | 3682 V_RXTSHIFTMAXR2(M_RXTSHIFTMAXR2), 3683 V_RXTSHIFTMAXR1(1) | V_RXTSHIFTMAXR2(v)); 3684 } 3685 for (i = 0; i < nitems(t4_toe_rexmt_backoff); i++) { 3686 if (t4_toe_rexmt_backoff[i] != -1) { 3687 v = t4_toe_rexmt_backoff[i] & M_TIMERBACKOFFINDEX0; 3688 shift = (i & 3) << 3; 3689 t4_set_reg_field(sc, A_TP_TCP_BACKOFF_REG0 + (i & ~3), 3690 M_TIMERBACKOFFINDEX0 << shift, v << shift); 3691 } 3692 } 3693 #endif 3694 return (0); 3695 } 3696 3697 #undef FW_PARAM_PFVF 3698 #undef FW_PARAM_DEV 3699 3700 static void 3701 t4_set_desc(struct adapter *sc) 3702 { 3703 char buf[128]; 3704 struct adapter_params *p = &sc->params; 3705 3706 snprintf(buf, sizeof(buf), "Chelsio %s", p->vpd.id); 3707 3708 device_set_desc_copy(sc->dev, buf); 3709 } 3710 3711 static void 3712 build_medialist(struct port_info *pi, struct ifmedia *media) 3713 { 3714 int m; 3715 3716 PORT_LOCK_ASSERT_OWNED(pi); 3717 3718 ifmedia_removeall(media); 3719 3720 /* 3721 * XXX: Would it be better to ifmedia_add all 4 combinations of pause 3722 * settings for every speed instead of just txpause|rxpause? ifconfig 3723 * media display looks much better if autoselect is the only case where 3724 * ifm_current is different from ifm_active. If the user picks anything 3725 * except txpause|rxpause the display is ugly. 3726 */ 3727 m = IFM_ETHER | IFM_FDX | IFM_ETH_TXPAUSE | IFM_ETH_RXPAUSE; 3728 3729 switch(pi->port_type) { 3730 case FW_PORT_TYPE_BT_XFI: 3731 case FW_PORT_TYPE_BT_XAUI: 3732 ifmedia_add(media, m | IFM_10G_T, 0, NULL); 3733 /* fall through */ 3734 3735 case FW_PORT_TYPE_BT_SGMII: 3736 ifmedia_add(media, m | IFM_1000_T, 0, NULL); 3737 ifmedia_add(media, m | IFM_100_TX, 0, NULL); 3738 ifmedia_add(media, IFM_ETHER | IFM_AUTO, 0, NULL); 3739 ifmedia_set(media, IFM_ETHER | IFM_AUTO); 3740 break; 3741 3742 case FW_PORT_TYPE_CX4: 3743 ifmedia_add(media, m | IFM_10G_CX4, 0, NULL); 3744 ifmedia_set(media, m | IFM_10G_CX4); 3745 break; 3746 3747 case FW_PORT_TYPE_QSFP_10G: 3748 case FW_PORT_TYPE_SFP: 3749 case FW_PORT_TYPE_FIBER_XFI: 3750 case FW_PORT_TYPE_FIBER_XAUI: 3751 switch (pi->mod_type) { 3752 3753 case FW_PORT_MOD_TYPE_LR: 3754 ifmedia_add(media, m | IFM_10G_LR, 0, NULL); 3755 ifmedia_set(media, m | IFM_10G_LR); 3756 break; 3757 3758 case FW_PORT_MOD_TYPE_SR: 3759 ifmedia_add(media, m | IFM_10G_SR, 0, NULL); 3760 ifmedia_set(media, m | IFM_10G_SR); 3761 break; 3762 3763 case FW_PORT_MOD_TYPE_LRM: 3764 ifmedia_add(media, m | IFM_10G_LRM, 0, NULL); 3765 ifmedia_set(media, m | IFM_10G_LRM); 3766 break; 3767 3768 case FW_PORT_MOD_TYPE_TWINAX_PASSIVE: 3769 case FW_PORT_MOD_TYPE_TWINAX_ACTIVE: 3770 ifmedia_add(media, m | IFM_10G_TWINAX, 0, NULL); 3771 ifmedia_set(media, m | IFM_10G_TWINAX); 3772 break; 3773 3774 case FW_PORT_MOD_TYPE_NONE: 3775 m &= ~IFM_FDX; 3776 ifmedia_add(media, m | IFM_NONE, 0, NULL); 3777 ifmedia_set(media, m | IFM_NONE); 3778 break; 3779 3780 case FW_PORT_MOD_TYPE_NA: 3781 case FW_PORT_MOD_TYPE_ER: 3782 default: 3783 device_printf(pi->dev, 3784 "unknown port_type (%d), mod_type (%d)\n", 3785 pi->port_type, pi->mod_type); 3786 ifmedia_add(media, m | IFM_UNKNOWN, 0, NULL); 3787 ifmedia_set(media, m | IFM_UNKNOWN); 3788 break; 3789 } 3790 break; 3791 3792 case FW_PORT_TYPE_CR_QSFP: 3793 case FW_PORT_TYPE_SFP28: 3794 case FW_PORT_TYPE_KR_SFP28: 3795 switch (pi->mod_type) { 3796 3797 case FW_PORT_MOD_TYPE_SR: 3798 ifmedia_add(media, m | IFM_25G_SR, 0, NULL); 3799 ifmedia_set(media, m | IFM_25G_SR); 3800 break; 3801 3802 case FW_PORT_MOD_TYPE_TWINAX_PASSIVE: 3803 case FW_PORT_MOD_TYPE_TWINAX_ACTIVE: 3804 ifmedia_add(media, m | IFM_25G_CR, 0, NULL); 3805 ifmedia_set(media, m | IFM_25G_CR); 3806 break; 3807 3808 case FW_PORT_MOD_TYPE_NONE: 3809 m &= ~IFM_FDX; 3810 ifmedia_add(media, m | IFM_NONE, 0, NULL); 3811 ifmedia_set(media, m | IFM_NONE); 3812 break; 3813 3814 default: 3815 device_printf(pi->dev, 3816 "unknown port_type (%d), mod_type (%d)\n", 3817 pi->port_type, pi->mod_type); 3818 ifmedia_add(media, m | IFM_UNKNOWN, 0, NULL); 3819 ifmedia_set(media, m | IFM_UNKNOWN); 3820 break; 3821 } 3822 break; 3823 3824 case FW_PORT_TYPE_QSFP: 3825 switch (pi->mod_type) { 3826 3827 case FW_PORT_MOD_TYPE_LR: 3828 ifmedia_add(media, m | IFM_40G_LR4, 0, NULL); 3829 ifmedia_set(media, m | IFM_40G_LR4); 3830 break; 3831 3832 case FW_PORT_MOD_TYPE_SR: 3833 ifmedia_add(media, m | IFM_40G_SR4, 0, NULL); 3834 ifmedia_set(media, m | IFM_40G_SR4); 3835 break; 3836 3837 case FW_PORT_MOD_TYPE_TWINAX_PASSIVE: 3838 case FW_PORT_MOD_TYPE_TWINAX_ACTIVE: 3839 ifmedia_add(media, m | IFM_40G_CR4, 0, NULL); 3840 ifmedia_set(media, m | IFM_40G_CR4); 3841 break; 3842 3843 case FW_PORT_MOD_TYPE_NONE: 3844 m &= ~IFM_FDX; 3845 ifmedia_add(media, m | IFM_NONE, 0, NULL); 3846 ifmedia_set(media, m | IFM_NONE); 3847 break; 3848 3849 default: 3850 device_printf(pi->dev, 3851 "unknown port_type (%d), mod_type (%d)\n", 3852 pi->port_type, pi->mod_type); 3853 ifmedia_add(media, m | IFM_UNKNOWN, 0, NULL); 3854 ifmedia_set(media, m | IFM_UNKNOWN); 3855 break; 3856 } 3857 break; 3858 3859 case FW_PORT_TYPE_KR4_100G: 3860 case FW_PORT_TYPE_CR4_QSFP: 3861 switch (pi->mod_type) { 3862 3863 case FW_PORT_MOD_TYPE_LR: 3864 ifmedia_add(media, m | IFM_100G_LR4, 0, NULL); 3865 ifmedia_set(media, m | IFM_100G_LR4); 3866 break; 3867 3868 case FW_PORT_MOD_TYPE_SR: 3869 ifmedia_add(media, m | IFM_100G_SR4, 0, NULL); 3870 ifmedia_set(media, m | IFM_100G_SR4); 3871 break; 3872 3873 case FW_PORT_MOD_TYPE_TWINAX_PASSIVE: 3874 case FW_PORT_MOD_TYPE_TWINAX_ACTIVE: 3875 ifmedia_add(media, m | IFM_100G_CR4, 0, NULL); 3876 ifmedia_set(media, m | IFM_100G_CR4); 3877 break; 3878 3879 case FW_PORT_MOD_TYPE_NONE: 3880 m &= ~IFM_FDX; 3881 ifmedia_add(media, m | IFM_NONE, 0, NULL); 3882 ifmedia_set(media, m | IFM_NONE); 3883 break; 3884 3885 default: 3886 device_printf(pi->dev, 3887 "unknown port_type (%d), mod_type (%d)\n", 3888 pi->port_type, pi->mod_type); 3889 ifmedia_add(media, m | IFM_UNKNOWN, 0, NULL); 3890 ifmedia_set(media, m | IFM_UNKNOWN); 3891 break; 3892 } 3893 break; 3894 3895 default: 3896 device_printf(pi->dev, 3897 "unknown port_type (%d), mod_type (%d)\n", pi->port_type, 3898 pi->mod_type); 3899 ifmedia_add(media, m | IFM_UNKNOWN, 0, NULL); 3900 ifmedia_set(media, m | IFM_UNKNOWN); 3901 break; 3902 } 3903 } 3904 3905 /* 3906 * Update all the requested_* fields in the link config and then send a mailbox 3907 * command to apply the settings. 3908 */ 3909 static void 3910 init_l1cfg(struct port_info *pi) 3911 { 3912 struct adapter *sc = pi->adapter; 3913 struct link_config *lc = &pi->link_cfg; 3914 int rc; 3915 3916 ASSERT_SYNCHRONIZED_OP(sc); 3917 3918 if (t4_autoneg != 0 && lc->supported & FW_PORT_CAP_ANEG) { 3919 lc->requested_aneg = AUTONEG_ENABLE; 3920 lc->requested_speed = 0; 3921 } else { 3922 lc->requested_aneg = AUTONEG_DISABLE; 3923 lc->requested_speed = port_top_speed(pi); /* in Gbps */ 3924 } 3925 3926 lc->requested_fc = t4_pause_settings & (PAUSE_TX | PAUSE_RX); 3927 3928 if (t4_fec != -1) { 3929 lc->requested_fec = t4_fec & (FEC_RS | FEC_BASER_RS | 3930 FEC_RESERVED); 3931 } else { 3932 /* Use the suggested value provided by the firmware in acaps */ 3933 if (lc->advertising & FW_PORT_CAP_FEC_RS) 3934 lc->requested_fec = FEC_RS; 3935 else if (lc->advertising & FW_PORT_CAP_FEC_BASER_RS) 3936 lc->requested_fec = FEC_BASER_RS; 3937 else if (lc->advertising & FW_PORT_CAP_FEC_RESERVED) 3938 lc->requested_fec = FEC_RESERVED; 3939 else 3940 lc->requested_fec = 0; 3941 } 3942 3943 rc = -t4_link_l1cfg(sc, sc->mbox, pi->tx_chan, lc); 3944 if (rc != 0) { 3945 device_printf(pi->dev, "l1cfg failed: %d\n", rc); 3946 } else { 3947 lc->fc = lc->requested_fc; 3948 lc->fec = lc->requested_fec; 3949 } 3950 } 3951 3952 #define FW_MAC_EXACT_CHUNK 7 3953 3954 /* 3955 * Program the port's XGMAC based on parameters in ifnet. The caller also 3956 * indicates which parameters should be programmed (the rest are left alone). 3957 */ 3958 int 3959 update_mac_settings(struct ifnet *ifp, int flags) 3960 { 3961 int rc = 0; 3962 struct vi_info *vi = ifp->if_softc; 3963 struct port_info *pi = vi->pi; 3964 struct adapter *sc = pi->adapter; 3965 int mtu = -1, promisc = -1, allmulti = -1, vlanex = -1; 3966 3967 ASSERT_SYNCHRONIZED_OP(sc); 3968 KASSERT(flags, ("%s: not told what to update.", __func__)); 3969 3970 if (flags & XGMAC_MTU) 3971 mtu = ifp->if_mtu; 3972 3973 if (flags & XGMAC_PROMISC) 3974 promisc = ifp->if_flags & IFF_PROMISC ? 1 : 0; 3975 3976 if (flags & XGMAC_ALLMULTI) 3977 allmulti = ifp->if_flags & IFF_ALLMULTI ? 1 : 0; 3978 3979 if (flags & XGMAC_VLANEX) 3980 vlanex = ifp->if_capenable & IFCAP_VLAN_HWTAGGING ? 1 : 0; 3981 3982 if (flags & (XGMAC_MTU|XGMAC_PROMISC|XGMAC_ALLMULTI|XGMAC_VLANEX)) { 3983 rc = -t4_set_rxmode(sc, sc->mbox, vi->viid, mtu, promisc, 3984 allmulti, 1, vlanex, false); 3985 if (rc) { 3986 if_printf(ifp, "set_rxmode (%x) failed: %d\n", flags, 3987 rc); 3988 return (rc); 3989 } 3990 } 3991 3992 if (flags & XGMAC_UCADDR) { 3993 uint8_t ucaddr[ETHER_ADDR_LEN]; 3994 3995 bcopy(IF_LLADDR(ifp), ucaddr, sizeof(ucaddr)); 3996 rc = t4_change_mac(sc, sc->mbox, vi->viid, vi->xact_addr_filt, 3997 ucaddr, true, true); 3998 if (rc < 0) { 3999 rc = -rc; 4000 if_printf(ifp, "change_mac failed: %d\n", rc); 4001 return (rc); 4002 } else { 4003 vi->xact_addr_filt = rc; 4004 rc = 0; 4005 } 4006 } 4007 4008 if (flags & XGMAC_MCADDRS) { 4009 const uint8_t *mcaddr[FW_MAC_EXACT_CHUNK]; 4010 int del = 1; 4011 uint64_t hash = 0; 4012 struct ifmultiaddr *ifma; 4013 int i = 0, j; 4014 4015 if_maddr_rlock(ifp); 4016 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 4017 if (ifma->ifma_addr->sa_family != AF_LINK) 4018 continue; 4019 mcaddr[i] = 4020 LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 4021 MPASS(ETHER_IS_MULTICAST(mcaddr[i])); 4022 i++; 4023 4024 if (i == FW_MAC_EXACT_CHUNK) { 4025 rc = t4_alloc_mac_filt(sc, sc->mbox, vi->viid, 4026 del, i, mcaddr, NULL, &hash, 0); 4027 if (rc < 0) { 4028 rc = -rc; 4029 for (j = 0; j < i; j++) { 4030 if_printf(ifp, 4031 "failed to add mc address" 4032 " %02x:%02x:%02x:" 4033 "%02x:%02x:%02x rc=%d\n", 4034 mcaddr[j][0], mcaddr[j][1], 4035 mcaddr[j][2], mcaddr[j][3], 4036 mcaddr[j][4], mcaddr[j][5], 4037 rc); 4038 } 4039 goto mcfail; 4040 } 4041 del = 0; 4042 i = 0; 4043 } 4044 } 4045 if (i > 0) { 4046 rc = t4_alloc_mac_filt(sc, sc->mbox, vi->viid, del, i, 4047 mcaddr, NULL, &hash, 0); 4048 if (rc < 0) { 4049 rc = -rc; 4050 for (j = 0; j < i; j++) { 4051 if_printf(ifp, 4052 "failed to add mc address" 4053 " %02x:%02x:%02x:" 4054 "%02x:%02x:%02x rc=%d\n", 4055 mcaddr[j][0], mcaddr[j][1], 4056 mcaddr[j][2], mcaddr[j][3], 4057 mcaddr[j][4], mcaddr[j][5], 4058 rc); 4059 } 4060 goto mcfail; 4061 } 4062 } 4063 4064 rc = -t4_set_addr_hash(sc, sc->mbox, vi->viid, 0, hash, 0); 4065 if (rc != 0) 4066 if_printf(ifp, "failed to set mc address hash: %d", rc); 4067 mcfail: 4068 if_maddr_runlock(ifp); 4069 } 4070 4071 return (rc); 4072 } 4073 4074 /* 4075 * {begin|end}_synchronized_op must be called from the same thread. 4076 */ 4077 int 4078 begin_synchronized_op(struct adapter *sc, struct vi_info *vi, int flags, 4079 char *wmesg) 4080 { 4081 int rc, pri; 4082 4083 #ifdef WITNESS 4084 /* the caller thinks it's ok to sleep, but is it really? */ 4085 if (flags & SLEEP_OK) 4086 WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, 4087 "begin_synchronized_op"); 4088 #endif 4089 4090 if (INTR_OK) 4091 pri = PCATCH; 4092 else 4093 pri = 0; 4094 4095 ADAPTER_LOCK(sc); 4096 for (;;) { 4097 4098 if (vi && IS_DOOMED(vi)) { 4099 rc = ENXIO; 4100 goto done; 4101 } 4102 4103 if (!IS_BUSY(sc)) { 4104 rc = 0; 4105 break; 4106 } 4107 4108 if (!(flags & SLEEP_OK)) { 4109 rc = EBUSY; 4110 goto done; 4111 } 4112 4113 if (mtx_sleep(&sc->flags, &sc->sc_lock, pri, wmesg, 0)) { 4114 rc = EINTR; 4115 goto done; 4116 } 4117 } 4118 4119 KASSERT(!IS_BUSY(sc), ("%s: controller busy.", __func__)); 4120 SET_BUSY(sc); 4121 #ifdef INVARIANTS 4122 sc->last_op = wmesg; 4123 sc->last_op_thr = curthread; 4124 sc->last_op_flags = flags; 4125 #endif 4126 4127 done: 4128 if (!(flags & HOLD_LOCK) || rc) 4129 ADAPTER_UNLOCK(sc); 4130 4131 return (rc); 4132 } 4133 4134 /* 4135 * Tell if_ioctl and if_init that the VI is going away. This is 4136 * special variant of begin_synchronized_op and must be paired with a 4137 * call to end_synchronized_op. 4138 */ 4139 void 4140 doom_vi(struct adapter *sc, struct vi_info *vi) 4141 { 4142 4143 ADAPTER_LOCK(sc); 4144 SET_DOOMED(vi); 4145 wakeup(&sc->flags); 4146 while (IS_BUSY(sc)) 4147 mtx_sleep(&sc->flags, &sc->sc_lock, 0, "t4detach", 0); 4148 SET_BUSY(sc); 4149 #ifdef INVARIANTS 4150 sc->last_op = "t4detach"; 4151 sc->last_op_thr = curthread; 4152 sc->last_op_flags = 0; 4153 #endif 4154 ADAPTER_UNLOCK(sc); 4155 } 4156 4157 /* 4158 * {begin|end}_synchronized_op must be called from the same thread. 4159 */ 4160 void 4161 end_synchronized_op(struct adapter *sc, int flags) 4162 { 4163 4164 if (flags & LOCK_HELD) 4165 ADAPTER_LOCK_ASSERT_OWNED(sc); 4166 else 4167 ADAPTER_LOCK(sc); 4168 4169 KASSERT(IS_BUSY(sc), ("%s: controller not busy.", __func__)); 4170 CLR_BUSY(sc); 4171 wakeup(&sc->flags); 4172 ADAPTER_UNLOCK(sc); 4173 } 4174 4175 static int 4176 cxgbe_init_synchronized(struct vi_info *vi) 4177 { 4178 struct port_info *pi = vi->pi; 4179 struct adapter *sc = pi->adapter; 4180 struct ifnet *ifp = vi->ifp; 4181 int rc = 0, i; 4182 struct sge_txq *txq; 4183 4184 ASSERT_SYNCHRONIZED_OP(sc); 4185 4186 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4187 return (0); /* already running */ 4188 4189 if (!(sc->flags & FULL_INIT_DONE) && 4190 ((rc = adapter_full_init(sc)) != 0)) 4191 return (rc); /* error message displayed already */ 4192 4193 if (!(vi->flags & VI_INIT_DONE) && 4194 ((rc = vi_full_init(vi)) != 0)) 4195 return (rc); /* error message displayed already */ 4196 4197 rc = update_mac_settings(ifp, XGMAC_ALL); 4198 if (rc) 4199 goto done; /* error message displayed already */ 4200 4201 rc = -t4_enable_vi(sc, sc->mbox, vi->viid, true, true); 4202 if (rc != 0) { 4203 if_printf(ifp, "enable_vi failed: %d\n", rc); 4204 goto done; 4205 } 4206 4207 /* 4208 * Can't fail from this point onwards. Review cxgbe_uninit_synchronized 4209 * if this changes. 4210 */ 4211 4212 for_each_txq(vi, i, txq) { 4213 TXQ_LOCK(txq); 4214 txq->eq.flags |= EQ_ENABLED; 4215 TXQ_UNLOCK(txq); 4216 } 4217 4218 /* 4219 * The first iq of the first port to come up is used for tracing. 4220 */ 4221 if (sc->traceq < 0 && IS_MAIN_VI(vi)) { 4222 sc->traceq = sc->sge.rxq[vi->first_rxq].iq.abs_id; 4223 t4_write_reg(sc, is_t4(sc) ? A_MPS_TRC_RSS_CONTROL : 4224 A_MPS_T5_TRC_RSS_CONTROL, V_RSSCONTROL(pi->tx_chan) | 4225 V_QUEUENUMBER(sc->traceq)); 4226 pi->flags |= HAS_TRACEQ; 4227 } 4228 4229 /* all ok */ 4230 PORT_LOCK(pi); 4231 if (pi->up_vis++ == 0) { 4232 t4_update_port_info(pi); 4233 build_medialist(pi, &pi->media); 4234 init_l1cfg(pi); 4235 } 4236 ifp->if_drv_flags |= IFF_DRV_RUNNING; 4237 4238 if (pi->nvi > 1 || sc->flags & IS_VF) 4239 callout_reset(&vi->tick, hz, vi_tick, vi); 4240 else 4241 callout_reset(&pi->tick, hz, cxgbe_tick, pi); 4242 PORT_UNLOCK(pi); 4243 done: 4244 if (rc != 0) 4245 cxgbe_uninit_synchronized(vi); 4246 4247 return (rc); 4248 } 4249 4250 /* 4251 * Idempotent. 4252 */ 4253 static int 4254 cxgbe_uninit_synchronized(struct vi_info *vi) 4255 { 4256 struct port_info *pi = vi->pi; 4257 struct adapter *sc = pi->adapter; 4258 struct ifnet *ifp = vi->ifp; 4259 int rc, i; 4260 struct sge_txq *txq; 4261 4262 ASSERT_SYNCHRONIZED_OP(sc); 4263 4264 if (!(vi->flags & VI_INIT_DONE)) { 4265 KASSERT(!(ifp->if_drv_flags & IFF_DRV_RUNNING), 4266 ("uninited VI is running")); 4267 return (0); 4268 } 4269 4270 /* 4271 * Disable the VI so that all its data in either direction is discarded 4272 * by the MPS. Leave everything else (the queues, interrupts, and 1Hz 4273 * tick) intact as the TP can deliver negative advice or data that it's 4274 * holding in its RAM (for an offloaded connection) even after the VI is 4275 * disabled. 4276 */ 4277 rc = -t4_enable_vi(sc, sc->mbox, vi->viid, false, false); 4278 if (rc) { 4279 if_printf(ifp, "disable_vi failed: %d\n", rc); 4280 return (rc); 4281 } 4282 4283 for_each_txq(vi, i, txq) { 4284 TXQ_LOCK(txq); 4285 txq->eq.flags &= ~EQ_ENABLED; 4286 TXQ_UNLOCK(txq); 4287 } 4288 4289 PORT_LOCK(pi); 4290 if (pi->nvi > 1 || sc->flags & IS_VF) 4291 callout_stop(&vi->tick); 4292 else 4293 callout_stop(&pi->tick); 4294 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 4295 PORT_UNLOCK(pi); 4296 return (0); 4297 } 4298 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 4299 pi->up_vis--; 4300 if (pi->up_vis > 0) { 4301 PORT_UNLOCK(pi); 4302 return (0); 4303 } 4304 PORT_UNLOCK(pi); 4305 4306 pi->link_cfg.link_ok = 0; 4307 pi->link_cfg.speed = 0; 4308 pi->link_cfg.link_down_rc = 255; 4309 t4_os_link_changed(pi); 4310 pi->old_link_cfg = pi->link_cfg; 4311 4312 return (0); 4313 } 4314 4315 /* 4316 * It is ok for this function to fail midway and return right away. t4_detach 4317 * will walk the entire sc->irq list and clean up whatever is valid. 4318 */ 4319 int 4320 t4_setup_intr_handlers(struct adapter *sc) 4321 { 4322 int rc, rid, p, q, v; 4323 char s[8]; 4324 struct irq *irq; 4325 struct port_info *pi; 4326 struct vi_info *vi; 4327 struct sge *sge = &sc->sge; 4328 struct sge_rxq *rxq; 4329 #ifdef TCP_OFFLOAD 4330 struct sge_ofld_rxq *ofld_rxq; 4331 #endif 4332 #ifdef DEV_NETMAP 4333 struct sge_nm_rxq *nm_rxq; 4334 #endif 4335 #ifdef RSS 4336 int nbuckets = rss_getnumbuckets(); 4337 #endif 4338 4339 /* 4340 * Setup interrupts. 4341 */ 4342 irq = &sc->irq[0]; 4343 rid = sc->intr_type == INTR_INTX ? 0 : 1; 4344 if (sc->intr_count == 1) 4345 return (t4_alloc_irq(sc, irq, rid, t4_intr_all, sc, "all")); 4346 4347 /* Multiple interrupts. */ 4348 if (sc->flags & IS_VF) 4349 KASSERT(sc->intr_count >= T4VF_EXTRA_INTR + sc->params.nports, 4350 ("%s: too few intr.", __func__)); 4351 else 4352 KASSERT(sc->intr_count >= T4_EXTRA_INTR + sc->params.nports, 4353 ("%s: too few intr.", __func__)); 4354 4355 /* The first one is always error intr on PFs */ 4356 if (!(sc->flags & IS_VF)) { 4357 rc = t4_alloc_irq(sc, irq, rid, t4_intr_err, sc, "err"); 4358 if (rc != 0) 4359 return (rc); 4360 irq++; 4361 rid++; 4362 } 4363 4364 /* The second one is always the firmware event queue (first on VFs) */ 4365 rc = t4_alloc_irq(sc, irq, rid, t4_intr_evt, &sge->fwq, "evt"); 4366 if (rc != 0) 4367 return (rc); 4368 irq++; 4369 rid++; 4370 4371 for_each_port(sc, p) { 4372 pi = sc->port[p]; 4373 for_each_vi(pi, v, vi) { 4374 vi->first_intr = rid - 1; 4375 4376 if (vi->nnmrxq > 0) { 4377 int n = max(vi->nrxq, vi->nnmrxq); 4378 4379 MPASS(vi->flags & INTR_RXQ); 4380 4381 rxq = &sge->rxq[vi->first_rxq]; 4382 #ifdef DEV_NETMAP 4383 nm_rxq = &sge->nm_rxq[vi->first_nm_rxq]; 4384 #endif 4385 for (q = 0; q < n; q++) { 4386 snprintf(s, sizeof(s), "%x%c%x", p, 4387 'a' + v, q); 4388 if (q < vi->nrxq) 4389 irq->rxq = rxq++; 4390 #ifdef DEV_NETMAP 4391 if (q < vi->nnmrxq) 4392 irq->nm_rxq = nm_rxq++; 4393 #endif 4394 rc = t4_alloc_irq(sc, irq, rid, 4395 t4_vi_intr, irq, s); 4396 if (rc != 0) 4397 return (rc); 4398 irq++; 4399 rid++; 4400 vi->nintr++; 4401 } 4402 } else if (vi->flags & INTR_RXQ) { 4403 for_each_rxq(vi, q, rxq) { 4404 snprintf(s, sizeof(s), "%x%c%x", p, 4405 'a' + v, q); 4406 rc = t4_alloc_irq(sc, irq, rid, 4407 t4_intr, rxq, s); 4408 if (rc != 0) 4409 return (rc); 4410 #ifdef RSS 4411 bus_bind_intr(sc->dev, irq->res, 4412 rss_getcpu(q % nbuckets)); 4413 #endif 4414 irq++; 4415 rid++; 4416 vi->nintr++; 4417 } 4418 } 4419 #ifdef TCP_OFFLOAD 4420 if (vi->flags & INTR_OFLD_RXQ) { 4421 for_each_ofld_rxq(vi, q, ofld_rxq) { 4422 snprintf(s, sizeof(s), "%x%c%x", p, 4423 'A' + v, q); 4424 rc = t4_alloc_irq(sc, irq, rid, 4425 t4_intr, ofld_rxq, s); 4426 if (rc != 0) 4427 return (rc); 4428 irq++; 4429 rid++; 4430 vi->nintr++; 4431 } 4432 } 4433 #endif 4434 } 4435 } 4436 MPASS(irq == &sc->irq[sc->intr_count]); 4437 4438 return (0); 4439 } 4440 4441 int 4442 adapter_full_init(struct adapter *sc) 4443 { 4444 int rc, i; 4445 #ifdef RSS 4446 uint32_t raw_rss_key[RSS_KEYSIZE / sizeof(uint32_t)]; 4447 uint32_t rss_key[RSS_KEYSIZE / sizeof(uint32_t)]; 4448 #endif 4449 4450 ASSERT_SYNCHRONIZED_OP(sc); 4451 ADAPTER_LOCK_ASSERT_NOTOWNED(sc); 4452 KASSERT((sc->flags & FULL_INIT_DONE) == 0, 4453 ("%s: FULL_INIT_DONE already", __func__)); 4454 4455 /* 4456 * queues that belong to the adapter (not any particular port). 4457 */ 4458 rc = t4_setup_adapter_queues(sc); 4459 if (rc != 0) 4460 goto done; 4461 4462 for (i = 0; i < nitems(sc->tq); i++) { 4463 sc->tq[i] = taskqueue_create("t4 taskq", M_NOWAIT, 4464 taskqueue_thread_enqueue, &sc->tq[i]); 4465 if (sc->tq[i] == NULL) { 4466 device_printf(sc->dev, 4467 "failed to allocate task queue %d\n", i); 4468 rc = ENOMEM; 4469 goto done; 4470 } 4471 taskqueue_start_threads(&sc->tq[i], 1, PI_NET, "%s tq%d", 4472 device_get_nameunit(sc->dev), i); 4473 } 4474 #ifdef RSS 4475 MPASS(RSS_KEYSIZE == 40); 4476 rss_getkey((void *)&raw_rss_key[0]); 4477 for (i = 0; i < nitems(rss_key); i++) { 4478 rss_key[i] = htobe32(raw_rss_key[nitems(rss_key) - 1 - i]); 4479 } 4480 t4_write_rss_key(sc, &rss_key[0], -1, 1); 4481 #endif 4482 4483 if (!(sc->flags & IS_VF)) 4484 t4_intr_enable(sc); 4485 sc->flags |= FULL_INIT_DONE; 4486 done: 4487 if (rc != 0) 4488 adapter_full_uninit(sc); 4489 4490 return (rc); 4491 } 4492 4493 int 4494 adapter_full_uninit(struct adapter *sc) 4495 { 4496 int i; 4497 4498 ADAPTER_LOCK_ASSERT_NOTOWNED(sc); 4499 4500 t4_teardown_adapter_queues(sc); 4501 4502 for (i = 0; i < nitems(sc->tq) && sc->tq[i]; i++) { 4503 taskqueue_free(sc->tq[i]); 4504 sc->tq[i] = NULL; 4505 } 4506 4507 sc->flags &= ~FULL_INIT_DONE; 4508 4509 return (0); 4510 } 4511 4512 #ifdef RSS 4513 #define SUPPORTED_RSS_HASHTYPES (RSS_HASHTYPE_RSS_IPV4 | \ 4514 RSS_HASHTYPE_RSS_TCP_IPV4 | RSS_HASHTYPE_RSS_IPV6 | \ 4515 RSS_HASHTYPE_RSS_TCP_IPV6 | RSS_HASHTYPE_RSS_UDP_IPV4 | \ 4516 RSS_HASHTYPE_RSS_UDP_IPV6) 4517 4518 /* Translates kernel hash types to hardware. */ 4519 static int 4520 hashconfig_to_hashen(int hashconfig) 4521 { 4522 int hashen = 0; 4523 4524 if (hashconfig & RSS_HASHTYPE_RSS_IPV4) 4525 hashen |= F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN; 4526 if (hashconfig & RSS_HASHTYPE_RSS_IPV6) 4527 hashen |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN; 4528 if (hashconfig & RSS_HASHTYPE_RSS_UDP_IPV4) { 4529 hashen |= F_FW_RSS_VI_CONFIG_CMD_UDPEN | 4530 F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN; 4531 } 4532 if (hashconfig & RSS_HASHTYPE_RSS_UDP_IPV6) { 4533 hashen |= F_FW_RSS_VI_CONFIG_CMD_UDPEN | 4534 F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN; 4535 } 4536 if (hashconfig & RSS_HASHTYPE_RSS_TCP_IPV4) 4537 hashen |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN; 4538 if (hashconfig & RSS_HASHTYPE_RSS_TCP_IPV6) 4539 hashen |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN; 4540 4541 return (hashen); 4542 } 4543 4544 /* Translates hardware hash types to kernel. */ 4545 static int 4546 hashen_to_hashconfig(int hashen) 4547 { 4548 int hashconfig = 0; 4549 4550 if (hashen & F_FW_RSS_VI_CONFIG_CMD_UDPEN) { 4551 /* 4552 * If UDP hashing was enabled it must have been enabled for 4553 * either IPv4 or IPv6 (inclusive or). Enabling UDP without 4554 * enabling any 4-tuple hash is nonsense configuration. 4555 */ 4556 MPASS(hashen & (F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN | 4557 F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN)); 4558 4559 if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) 4560 hashconfig |= RSS_HASHTYPE_RSS_UDP_IPV4; 4561 if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) 4562 hashconfig |= RSS_HASHTYPE_RSS_UDP_IPV6; 4563 } 4564 if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) 4565 hashconfig |= RSS_HASHTYPE_RSS_TCP_IPV4; 4566 if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) 4567 hashconfig |= RSS_HASHTYPE_RSS_TCP_IPV6; 4568 if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) 4569 hashconfig |= RSS_HASHTYPE_RSS_IPV4; 4570 if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) 4571 hashconfig |= RSS_HASHTYPE_RSS_IPV6; 4572 4573 return (hashconfig); 4574 } 4575 #endif 4576 4577 int 4578 vi_full_init(struct vi_info *vi) 4579 { 4580 struct adapter *sc = vi->pi->adapter; 4581 struct ifnet *ifp = vi->ifp; 4582 uint16_t *rss; 4583 struct sge_rxq *rxq; 4584 int rc, i, j, hashen; 4585 #ifdef RSS 4586 int nbuckets = rss_getnumbuckets(); 4587 int hashconfig = rss_gethashconfig(); 4588 int extra; 4589 #endif 4590 4591 ASSERT_SYNCHRONIZED_OP(sc); 4592 KASSERT((vi->flags & VI_INIT_DONE) == 0, 4593 ("%s: VI_INIT_DONE already", __func__)); 4594 4595 sysctl_ctx_init(&vi->ctx); 4596 vi->flags |= VI_SYSCTL_CTX; 4597 4598 /* 4599 * Allocate tx/rx/fl queues for this VI. 4600 */ 4601 rc = t4_setup_vi_queues(vi); 4602 if (rc != 0) 4603 goto done; /* error message displayed already */ 4604 4605 /* 4606 * Setup RSS for this VI. Save a copy of the RSS table for later use. 4607 */ 4608 if (vi->nrxq > vi->rss_size) { 4609 if_printf(ifp, "nrxq (%d) > hw RSS table size (%d); " 4610 "some queues will never receive traffic.\n", vi->nrxq, 4611 vi->rss_size); 4612 } else if (vi->rss_size % vi->nrxq) { 4613 if_printf(ifp, "nrxq (%d), hw RSS table size (%d); " 4614 "expect uneven traffic distribution.\n", vi->nrxq, 4615 vi->rss_size); 4616 } 4617 #ifdef RSS 4618 if (vi->nrxq != nbuckets) { 4619 if_printf(ifp, "nrxq (%d) != kernel RSS buckets (%d);" 4620 "performance will be impacted.\n", vi->nrxq, nbuckets); 4621 } 4622 #endif 4623 rss = malloc(vi->rss_size * sizeof (*rss), M_CXGBE, M_ZERO | M_WAITOK); 4624 for (i = 0; i < vi->rss_size;) { 4625 #ifdef RSS 4626 j = rss_get_indirection_to_bucket(i); 4627 j %= vi->nrxq; 4628 rxq = &sc->sge.rxq[vi->first_rxq + j]; 4629 rss[i++] = rxq->iq.abs_id; 4630 #else 4631 for_each_rxq(vi, j, rxq) { 4632 rss[i++] = rxq->iq.abs_id; 4633 if (i == vi->rss_size) 4634 break; 4635 } 4636 #endif 4637 } 4638 4639 rc = -t4_config_rss_range(sc, sc->mbox, vi->viid, 0, vi->rss_size, rss, 4640 vi->rss_size); 4641 if (rc != 0) { 4642 if_printf(ifp, "rss_config failed: %d\n", rc); 4643 goto done; 4644 } 4645 4646 #ifdef RSS 4647 hashen = hashconfig_to_hashen(hashconfig); 4648 4649 /* 4650 * We may have had to enable some hashes even though the global config 4651 * wants them disabled. This is a potential problem that must be 4652 * reported to the user. 4653 */ 4654 extra = hashen_to_hashconfig(hashen) ^ hashconfig; 4655 4656 /* 4657 * If we consider only the supported hash types, then the enabled hashes 4658 * are a superset of the requested hashes. In other words, there cannot 4659 * be any supported hash that was requested but not enabled, but there 4660 * can be hashes that were not requested but had to be enabled. 4661 */ 4662 extra &= SUPPORTED_RSS_HASHTYPES; 4663 MPASS((extra & hashconfig) == 0); 4664 4665 if (extra) { 4666 if_printf(ifp, 4667 "global RSS config (0x%x) cannot be accommodated.\n", 4668 hashconfig); 4669 } 4670 if (extra & RSS_HASHTYPE_RSS_IPV4) 4671 if_printf(ifp, "IPv4 2-tuple hashing forced on.\n"); 4672 if (extra & RSS_HASHTYPE_RSS_TCP_IPV4) 4673 if_printf(ifp, "TCP/IPv4 4-tuple hashing forced on.\n"); 4674 if (extra & RSS_HASHTYPE_RSS_IPV6) 4675 if_printf(ifp, "IPv6 2-tuple hashing forced on.\n"); 4676 if (extra & RSS_HASHTYPE_RSS_TCP_IPV6) 4677 if_printf(ifp, "TCP/IPv6 4-tuple hashing forced on.\n"); 4678 if (extra & RSS_HASHTYPE_RSS_UDP_IPV4) 4679 if_printf(ifp, "UDP/IPv4 4-tuple hashing forced on.\n"); 4680 if (extra & RSS_HASHTYPE_RSS_UDP_IPV6) 4681 if_printf(ifp, "UDP/IPv6 4-tuple hashing forced on.\n"); 4682 #else 4683 hashen = F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN | 4684 F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN | 4685 F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN | 4686 F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN | F_FW_RSS_VI_CONFIG_CMD_UDPEN; 4687 #endif 4688 rc = -t4_config_vi_rss(sc, sc->mbox, vi->viid, hashen, rss[0], 0, 0); 4689 if (rc != 0) { 4690 if_printf(ifp, "rss hash/defaultq config failed: %d\n", rc); 4691 goto done; 4692 } 4693 4694 vi->rss = rss; 4695 vi->flags |= VI_INIT_DONE; 4696 done: 4697 if (rc != 0) 4698 vi_full_uninit(vi); 4699 4700 return (rc); 4701 } 4702 4703 /* 4704 * Idempotent. 4705 */ 4706 int 4707 vi_full_uninit(struct vi_info *vi) 4708 { 4709 struct port_info *pi = vi->pi; 4710 struct adapter *sc = pi->adapter; 4711 int i; 4712 struct sge_rxq *rxq; 4713 struct sge_txq *txq; 4714 #ifdef TCP_OFFLOAD 4715 struct sge_ofld_rxq *ofld_rxq; 4716 struct sge_wrq *ofld_txq; 4717 #endif 4718 4719 if (vi->flags & VI_INIT_DONE) { 4720 4721 /* Need to quiesce queues. */ 4722 4723 /* XXX: Only for the first VI? */ 4724 if (IS_MAIN_VI(vi) && !(sc->flags & IS_VF)) 4725 quiesce_wrq(sc, &sc->sge.ctrlq[pi->port_id]); 4726 4727 for_each_txq(vi, i, txq) { 4728 quiesce_txq(sc, txq); 4729 } 4730 4731 #ifdef TCP_OFFLOAD 4732 for_each_ofld_txq(vi, i, ofld_txq) { 4733 quiesce_wrq(sc, ofld_txq); 4734 } 4735 #endif 4736 4737 for_each_rxq(vi, i, rxq) { 4738 quiesce_iq(sc, &rxq->iq); 4739 quiesce_fl(sc, &rxq->fl); 4740 } 4741 4742 #ifdef TCP_OFFLOAD 4743 for_each_ofld_rxq(vi, i, ofld_rxq) { 4744 quiesce_iq(sc, &ofld_rxq->iq); 4745 quiesce_fl(sc, &ofld_rxq->fl); 4746 } 4747 #endif 4748 free(vi->rss, M_CXGBE); 4749 free(vi->nm_rss, M_CXGBE); 4750 } 4751 4752 t4_teardown_vi_queues(vi); 4753 vi->flags &= ~VI_INIT_DONE; 4754 4755 return (0); 4756 } 4757 4758 static void 4759 quiesce_txq(struct adapter *sc, struct sge_txq *txq) 4760 { 4761 struct sge_eq *eq = &txq->eq; 4762 struct sge_qstat *spg = (void *)&eq->desc[eq->sidx]; 4763 4764 (void) sc; /* unused */ 4765 4766 #ifdef INVARIANTS 4767 TXQ_LOCK(txq); 4768 MPASS((eq->flags & EQ_ENABLED) == 0); 4769 TXQ_UNLOCK(txq); 4770 #endif 4771 4772 /* Wait for the mp_ring to empty. */ 4773 while (!mp_ring_is_idle(txq->r)) { 4774 mp_ring_check_drainage(txq->r, 0); 4775 pause("rquiesce", 1); 4776 } 4777 4778 /* Then wait for the hardware to finish. */ 4779 while (spg->cidx != htobe16(eq->pidx)) 4780 pause("equiesce", 1); 4781 4782 /* Finally, wait for the driver to reclaim all descriptors. */ 4783 while (eq->cidx != eq->pidx) 4784 pause("dquiesce", 1); 4785 } 4786 4787 static void 4788 quiesce_wrq(struct adapter *sc, struct sge_wrq *wrq) 4789 { 4790 4791 /* XXXTX */ 4792 } 4793 4794 static void 4795 quiesce_iq(struct adapter *sc, struct sge_iq *iq) 4796 { 4797 (void) sc; /* unused */ 4798 4799 /* Synchronize with the interrupt handler */ 4800 while (!atomic_cmpset_int(&iq->state, IQS_IDLE, IQS_DISABLED)) 4801 pause("iqfree", 1); 4802 } 4803 4804 static void 4805 quiesce_fl(struct adapter *sc, struct sge_fl *fl) 4806 { 4807 mtx_lock(&sc->sfl_lock); 4808 FL_LOCK(fl); 4809 fl->flags |= FL_DOOMED; 4810 FL_UNLOCK(fl); 4811 callout_stop(&sc->sfl_callout); 4812 mtx_unlock(&sc->sfl_lock); 4813 4814 KASSERT((fl->flags & FL_STARVING) == 0, 4815 ("%s: still starving", __func__)); 4816 } 4817 4818 static int 4819 t4_alloc_irq(struct adapter *sc, struct irq *irq, int rid, 4820 driver_intr_t *handler, void *arg, char *name) 4821 { 4822 int rc; 4823 4824 irq->rid = rid; 4825 irq->res = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, &irq->rid, 4826 RF_SHAREABLE | RF_ACTIVE); 4827 if (irq->res == NULL) { 4828 device_printf(sc->dev, 4829 "failed to allocate IRQ for rid %d, name %s.\n", rid, name); 4830 return (ENOMEM); 4831 } 4832 4833 rc = bus_setup_intr(sc->dev, irq->res, INTR_MPSAFE | INTR_TYPE_NET, 4834 NULL, handler, arg, &irq->tag); 4835 if (rc != 0) { 4836 device_printf(sc->dev, 4837 "failed to setup interrupt for rid %d, name %s: %d\n", 4838 rid, name, rc); 4839 } else if (name) 4840 bus_describe_intr(sc->dev, irq->res, irq->tag, "%s", name); 4841 4842 return (rc); 4843 } 4844 4845 static int 4846 t4_free_irq(struct adapter *sc, struct irq *irq) 4847 { 4848 if (irq->tag) 4849 bus_teardown_intr(sc->dev, irq->res, irq->tag); 4850 if (irq->res) 4851 bus_release_resource(sc->dev, SYS_RES_IRQ, irq->rid, irq->res); 4852 4853 bzero(irq, sizeof(*irq)); 4854 4855 return (0); 4856 } 4857 4858 static void 4859 get_regs(struct adapter *sc, struct t4_regdump *regs, uint8_t *buf) 4860 { 4861 4862 regs->version = chip_id(sc) | chip_rev(sc) << 10; 4863 t4_get_regs(sc, buf, regs->len); 4864 } 4865 4866 #define A_PL_INDIR_CMD 0x1f8 4867 4868 #define S_PL_AUTOINC 31 4869 #define M_PL_AUTOINC 0x1U 4870 #define V_PL_AUTOINC(x) ((x) << S_PL_AUTOINC) 4871 #define G_PL_AUTOINC(x) (((x) >> S_PL_AUTOINC) & M_PL_AUTOINC) 4872 4873 #define S_PL_VFID 20 4874 #define M_PL_VFID 0xffU 4875 #define V_PL_VFID(x) ((x) << S_PL_VFID) 4876 #define G_PL_VFID(x) (((x) >> S_PL_VFID) & M_PL_VFID) 4877 4878 #define S_PL_ADDR 0 4879 #define M_PL_ADDR 0xfffffU 4880 #define V_PL_ADDR(x) ((x) << S_PL_ADDR) 4881 #define G_PL_ADDR(x) (((x) >> S_PL_ADDR) & M_PL_ADDR) 4882 4883 #define A_PL_INDIR_DATA 0x1fc 4884 4885 static uint64_t 4886 read_vf_stat(struct adapter *sc, unsigned int viid, int reg) 4887 { 4888 u32 stats[2]; 4889 4890 mtx_assert(&sc->reg_lock, MA_OWNED); 4891 if (sc->flags & IS_VF) { 4892 stats[0] = t4_read_reg(sc, VF_MPS_REG(reg)); 4893 stats[1] = t4_read_reg(sc, VF_MPS_REG(reg + 4)); 4894 } else { 4895 t4_write_reg(sc, A_PL_INDIR_CMD, V_PL_AUTOINC(1) | 4896 V_PL_VFID(G_FW_VIID_VIN(viid)) | 4897 V_PL_ADDR(VF_MPS_REG(reg))); 4898 stats[0] = t4_read_reg(sc, A_PL_INDIR_DATA); 4899 stats[1] = t4_read_reg(sc, A_PL_INDIR_DATA); 4900 } 4901 return (((uint64_t)stats[1]) << 32 | stats[0]); 4902 } 4903 4904 static void 4905 t4_get_vi_stats(struct adapter *sc, unsigned int viid, 4906 struct fw_vi_stats_vf *stats) 4907 { 4908 4909 #define GET_STAT(name) \ 4910 read_vf_stat(sc, viid, A_MPS_VF_STAT_##name##_L) 4911 4912 stats->tx_bcast_bytes = GET_STAT(TX_VF_BCAST_BYTES); 4913 stats->tx_bcast_frames = GET_STAT(TX_VF_BCAST_FRAMES); 4914 stats->tx_mcast_bytes = GET_STAT(TX_VF_MCAST_BYTES); 4915 stats->tx_mcast_frames = GET_STAT(TX_VF_MCAST_FRAMES); 4916 stats->tx_ucast_bytes = GET_STAT(TX_VF_UCAST_BYTES); 4917 stats->tx_ucast_frames = GET_STAT(TX_VF_UCAST_FRAMES); 4918 stats->tx_drop_frames = GET_STAT(TX_VF_DROP_FRAMES); 4919 stats->tx_offload_bytes = GET_STAT(TX_VF_OFFLOAD_BYTES); 4920 stats->tx_offload_frames = GET_STAT(TX_VF_OFFLOAD_FRAMES); 4921 stats->rx_bcast_bytes = GET_STAT(RX_VF_BCAST_BYTES); 4922 stats->rx_bcast_frames = GET_STAT(RX_VF_BCAST_FRAMES); 4923 stats->rx_mcast_bytes = GET_STAT(RX_VF_MCAST_BYTES); 4924 stats->rx_mcast_frames = GET_STAT(RX_VF_MCAST_FRAMES); 4925 stats->rx_ucast_bytes = GET_STAT(RX_VF_UCAST_BYTES); 4926 stats->rx_ucast_frames = GET_STAT(RX_VF_UCAST_FRAMES); 4927 stats->rx_err_frames = GET_STAT(RX_VF_ERR_FRAMES); 4928 4929 #undef GET_STAT 4930 } 4931 4932 static void 4933 t4_clr_vi_stats(struct adapter *sc, unsigned int viid) 4934 { 4935 int reg; 4936 4937 t4_write_reg(sc, A_PL_INDIR_CMD, V_PL_AUTOINC(1) | 4938 V_PL_VFID(G_FW_VIID_VIN(viid)) | 4939 V_PL_ADDR(VF_MPS_REG(A_MPS_VF_STAT_TX_VF_BCAST_BYTES_L))); 4940 for (reg = A_MPS_VF_STAT_TX_VF_BCAST_BYTES_L; 4941 reg <= A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H; reg += 4) 4942 t4_write_reg(sc, A_PL_INDIR_DATA, 0); 4943 } 4944 4945 static void 4946 vi_refresh_stats(struct adapter *sc, struct vi_info *vi) 4947 { 4948 struct timeval tv; 4949 const struct timeval interval = {0, 250000}; /* 250ms */ 4950 4951 if (!(vi->flags & VI_INIT_DONE)) 4952 return; 4953 4954 getmicrotime(&tv); 4955 timevalsub(&tv, &interval); 4956 if (timevalcmp(&tv, &vi->last_refreshed, <)) 4957 return; 4958 4959 mtx_lock(&sc->reg_lock); 4960 t4_get_vi_stats(sc, vi->viid, &vi->stats); 4961 getmicrotime(&vi->last_refreshed); 4962 mtx_unlock(&sc->reg_lock); 4963 } 4964 4965 static void 4966 cxgbe_refresh_stats(struct adapter *sc, struct port_info *pi) 4967 { 4968 u_int i, v, tnl_cong_drops, bg_map; 4969 struct timeval tv; 4970 const struct timeval interval = {0, 250000}; /* 250ms */ 4971 4972 getmicrotime(&tv); 4973 timevalsub(&tv, &interval); 4974 if (timevalcmp(&tv, &pi->last_refreshed, <)) 4975 return; 4976 4977 tnl_cong_drops = 0; 4978 t4_get_port_stats(sc, pi->tx_chan, &pi->stats); 4979 bg_map = pi->mps_bg_map; 4980 while (bg_map) { 4981 i = ffs(bg_map) - 1; 4982 mtx_lock(&sc->reg_lock); 4983 t4_read_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v, 1, 4984 A_TP_MIB_TNL_CNG_DROP_0 + i); 4985 mtx_unlock(&sc->reg_lock); 4986 tnl_cong_drops += v; 4987 bg_map &= ~(1 << i); 4988 } 4989 pi->tnl_cong_drops = tnl_cong_drops; 4990 getmicrotime(&pi->last_refreshed); 4991 } 4992 4993 static void 4994 cxgbe_tick(void *arg) 4995 { 4996 struct port_info *pi = arg; 4997 struct adapter *sc = pi->adapter; 4998 4999 PORT_LOCK_ASSERT_OWNED(pi); 5000 cxgbe_refresh_stats(sc, pi); 5001 5002 callout_schedule(&pi->tick, hz); 5003 } 5004 5005 void 5006 vi_tick(void *arg) 5007 { 5008 struct vi_info *vi = arg; 5009 struct adapter *sc = vi->pi->adapter; 5010 5011 vi_refresh_stats(sc, vi); 5012 5013 callout_schedule(&vi->tick, hz); 5014 } 5015 5016 static void 5017 cxgbe_vlan_config(void *arg, struct ifnet *ifp, uint16_t vid) 5018 { 5019 struct ifnet *vlan; 5020 5021 if (arg != ifp || ifp->if_type != IFT_ETHER) 5022 return; 5023 5024 vlan = VLAN_DEVAT(ifp, vid); 5025 VLAN_SETCOOKIE(vlan, ifp); 5026 } 5027 5028 /* 5029 * Should match fw_caps_config_<foo> enums in t4fw_interface.h 5030 */ 5031 static char *caps_decoder[] = { 5032 "\20\001IPMI\002NCSI", /* 0: NBM */ 5033 "\20\001PPP\002QFC\003DCBX", /* 1: link */ 5034 "\20\001INGRESS\002EGRESS", /* 2: switch */ 5035 "\20\001NIC\002VM\003IDS\004UM\005UM_ISGL" /* 3: NIC */ 5036 "\006HASHFILTER\007ETHOFLD", 5037 "\20\001TOE", /* 4: TOE */ 5038 "\20\001RDDP\002RDMAC", /* 5: RDMA */ 5039 "\20\001INITIATOR_PDU\002TARGET_PDU" /* 6: iSCSI */ 5040 "\003INITIATOR_CNXOFLD\004TARGET_CNXOFLD" 5041 "\005INITIATOR_SSNOFLD\006TARGET_SSNOFLD" 5042 "\007T10DIF" 5043 "\010INITIATOR_CMDOFLD\011TARGET_CMDOFLD", 5044 "\20\001LOOKASIDE\002TLSKEYS", /* 7: Crypto */ 5045 "\20\001INITIATOR\002TARGET\003CTRL_OFLD" /* 8: FCoE */ 5046 "\004PO_INITIATOR\005PO_TARGET", 5047 }; 5048 5049 void 5050 t4_sysctls(struct adapter *sc) 5051 { 5052 struct sysctl_ctx_list *ctx; 5053 struct sysctl_oid *oid; 5054 struct sysctl_oid_list *children, *c0; 5055 static char *doorbells = {"\20\1UDB\2WCWR\3UDBWC\4KDB"}; 5056 5057 ctx = device_get_sysctl_ctx(sc->dev); 5058 5059 /* 5060 * dev.t4nex.X. 5061 */ 5062 oid = device_get_sysctl_tree(sc->dev); 5063 c0 = children = SYSCTL_CHILDREN(oid); 5064 5065 sc->sc_do_rxcopy = 1; 5066 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "do_rx_copy", CTLFLAG_RW, 5067 &sc->sc_do_rxcopy, 1, "Do RX copy of small frames"); 5068 5069 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nports", CTLFLAG_RD, NULL, 5070 sc->params.nports, "# of ports"); 5071 5072 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "doorbells", 5073 CTLTYPE_STRING | CTLFLAG_RD, doorbells, sc->doorbells, 5074 sysctl_bitfield, "A", "available doorbells"); 5075 5076 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "core_clock", CTLFLAG_RD, NULL, 5077 sc->params.vpd.cclk, "core clock frequency (in KHz)"); 5078 5079 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_timers", 5080 CTLTYPE_STRING | CTLFLAG_RD, sc->params.sge.timer_val, 5081 sizeof(sc->params.sge.timer_val), sysctl_int_array, "A", 5082 "interrupt holdoff timer values (us)"); 5083 5084 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pkt_counts", 5085 CTLTYPE_STRING | CTLFLAG_RD, sc->params.sge.counter_val, 5086 sizeof(sc->params.sge.counter_val), sysctl_int_array, "A", 5087 "interrupt holdoff packet counter values"); 5088 5089 t4_sge_sysctls(sc, ctx, children); 5090 5091 sc->lro_timeout = 100; 5092 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "lro_timeout", CTLFLAG_RW, 5093 &sc->lro_timeout, 0, "lro inactive-flush timeout (in us)"); 5094 5095 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "dflags", CTLFLAG_RW, 5096 &sc->debug_flags, 0, "flags to enable runtime debugging"); 5097 5098 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "tp_version", 5099 CTLFLAG_RD, sc->tp_version, 0, "TP microcode version"); 5100 5101 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "firmware_version", 5102 CTLFLAG_RD, sc->fw_version, 0, "firmware version"); 5103 5104 if (sc->flags & IS_VF) 5105 return; 5106 5107 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "hw_revision", CTLFLAG_RD, 5108 NULL, chip_rev(sc), "chip hardware revision"); 5109 5110 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "sn", 5111 CTLFLAG_RD, sc->params.vpd.sn, 0, "serial number"); 5112 5113 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "pn", 5114 CTLFLAG_RD, sc->params.vpd.pn, 0, "part number"); 5115 5116 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "ec", 5117 CTLFLAG_RD, sc->params.vpd.ec, 0, "engineering change"); 5118 5119 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "na", 5120 CTLFLAG_RD, sc->params.vpd.na, 0, "network address"); 5121 5122 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "er_version", CTLFLAG_RD, 5123 sc->er_version, 0, "expansion ROM version"); 5124 5125 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "bs_version", CTLFLAG_RD, 5126 sc->bs_version, 0, "bootstrap firmware version"); 5127 5128 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "scfg_version", CTLFLAG_RD, 5129 NULL, sc->params.scfg_vers, "serial config version"); 5130 5131 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "vpd_version", CTLFLAG_RD, 5132 NULL, sc->params.vpd_vers, "VPD version"); 5133 5134 SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "cf", 5135 CTLFLAG_RD, sc->cfg_file, 0, "configuration file"); 5136 5137 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "cfcsum", CTLFLAG_RD, NULL, 5138 sc->cfcsum, "config file checksum"); 5139 5140 #define SYSCTL_CAP(name, n, text) \ 5141 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, #name, \ 5142 CTLTYPE_STRING | CTLFLAG_RD, caps_decoder[n], sc->name, \ 5143 sysctl_bitfield, "A", "available " text " capabilities") 5144 5145 SYSCTL_CAP(nbmcaps, 0, "NBM"); 5146 SYSCTL_CAP(linkcaps, 1, "link"); 5147 SYSCTL_CAP(switchcaps, 2, "switch"); 5148 SYSCTL_CAP(niccaps, 3, "NIC"); 5149 SYSCTL_CAP(toecaps, 4, "TCP offload"); 5150 SYSCTL_CAP(rdmacaps, 5, "RDMA"); 5151 SYSCTL_CAP(iscsicaps, 6, "iSCSI"); 5152 SYSCTL_CAP(cryptocaps, 7, "crypto"); 5153 SYSCTL_CAP(fcoecaps, 8, "FCoE"); 5154 #undef SYSCTL_CAP 5155 5156 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nfilters", CTLFLAG_RD, 5157 NULL, sc->tids.nftids, "number of filters"); 5158 5159 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "temperature", CTLTYPE_INT | 5160 CTLFLAG_RD, sc, 0, sysctl_temperature, "I", 5161 "chip temperature (in Celsius)"); 5162 5163 #ifdef SBUF_DRAIN 5164 /* 5165 * dev.t4nex.X.misc. Marked CTLFLAG_SKIP to avoid information overload. 5166 */ 5167 oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "misc", 5168 CTLFLAG_RD | CTLFLAG_SKIP, NULL, 5169 "logs and miscellaneous information"); 5170 children = SYSCTL_CHILDREN(oid); 5171 5172 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cctrl", 5173 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5174 sysctl_cctrl, "A", "congestion control"); 5175 5176 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_tp0", 5177 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5178 sysctl_cim_ibq_obq, "A", "CIM IBQ 0 (TP0)"); 5179 5180 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_tp1", 5181 CTLTYPE_STRING | CTLFLAG_RD, sc, 1, 5182 sysctl_cim_ibq_obq, "A", "CIM IBQ 1 (TP1)"); 5183 5184 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_ulp", 5185 CTLTYPE_STRING | CTLFLAG_RD, sc, 2, 5186 sysctl_cim_ibq_obq, "A", "CIM IBQ 2 (ULP)"); 5187 5188 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_sge0", 5189 CTLTYPE_STRING | CTLFLAG_RD, sc, 3, 5190 sysctl_cim_ibq_obq, "A", "CIM IBQ 3 (SGE0)"); 5191 5192 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_sge1", 5193 CTLTYPE_STRING | CTLFLAG_RD, sc, 4, 5194 sysctl_cim_ibq_obq, "A", "CIM IBQ 4 (SGE1)"); 5195 5196 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_ncsi", 5197 CTLTYPE_STRING | CTLFLAG_RD, sc, 5, 5198 sysctl_cim_ibq_obq, "A", "CIM IBQ 5 (NCSI)"); 5199 5200 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_la", 5201 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5202 chip_id(sc) <= CHELSIO_T5 ? sysctl_cim_la : sysctl_cim_la_t6, 5203 "A", "CIM logic analyzer"); 5204 5205 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ma_la", 5206 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5207 sysctl_cim_ma_la, "A", "CIM MA logic analyzer"); 5208 5209 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp0", 5210 CTLTYPE_STRING | CTLFLAG_RD, sc, 0 + CIM_NUM_IBQ, 5211 sysctl_cim_ibq_obq, "A", "CIM OBQ 0 (ULP0)"); 5212 5213 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp1", 5214 CTLTYPE_STRING | CTLFLAG_RD, sc, 1 + CIM_NUM_IBQ, 5215 sysctl_cim_ibq_obq, "A", "CIM OBQ 1 (ULP1)"); 5216 5217 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp2", 5218 CTLTYPE_STRING | CTLFLAG_RD, sc, 2 + CIM_NUM_IBQ, 5219 sysctl_cim_ibq_obq, "A", "CIM OBQ 2 (ULP2)"); 5220 5221 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp3", 5222 CTLTYPE_STRING | CTLFLAG_RD, sc, 3 + CIM_NUM_IBQ, 5223 sysctl_cim_ibq_obq, "A", "CIM OBQ 3 (ULP3)"); 5224 5225 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge", 5226 CTLTYPE_STRING | CTLFLAG_RD, sc, 4 + CIM_NUM_IBQ, 5227 sysctl_cim_ibq_obq, "A", "CIM OBQ 4 (SGE)"); 5228 5229 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ncsi", 5230 CTLTYPE_STRING | CTLFLAG_RD, sc, 5 + CIM_NUM_IBQ, 5231 sysctl_cim_ibq_obq, "A", "CIM OBQ 5 (NCSI)"); 5232 5233 if (chip_id(sc) > CHELSIO_T4) { 5234 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge0_rx", 5235 CTLTYPE_STRING | CTLFLAG_RD, sc, 6 + CIM_NUM_IBQ, 5236 sysctl_cim_ibq_obq, "A", "CIM OBQ 6 (SGE0-RX)"); 5237 5238 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge1_rx", 5239 CTLTYPE_STRING | CTLFLAG_RD, sc, 7 + CIM_NUM_IBQ, 5240 sysctl_cim_ibq_obq, "A", "CIM OBQ 7 (SGE1-RX)"); 5241 } 5242 5243 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_pif_la", 5244 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5245 sysctl_cim_pif_la, "A", "CIM PIF logic analyzer"); 5246 5247 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_qcfg", 5248 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5249 sysctl_cim_qcfg, "A", "CIM queue configuration"); 5250 5251 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cpl_stats", 5252 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5253 sysctl_cpl_stats, "A", "CPL statistics"); 5254 5255 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "ddp_stats", 5256 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5257 sysctl_ddp_stats, "A", "non-TCP DDP statistics"); 5258 5259 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "devlog", 5260 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5261 sysctl_devlog, "A", "firmware's device log"); 5262 5263 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fcoe_stats", 5264 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5265 sysctl_fcoe_stats, "A", "FCoE statistics"); 5266 5267 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "hw_sched", 5268 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5269 sysctl_hw_sched, "A", "hardware scheduler "); 5270 5271 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "l2t", 5272 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5273 sysctl_l2t, "A", "hardware L2 table"); 5274 5275 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "lb_stats", 5276 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5277 sysctl_lb_stats, "A", "loopback statistics"); 5278 5279 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "meminfo", 5280 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5281 sysctl_meminfo, "A", "memory regions"); 5282 5283 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "mps_tcam", 5284 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5285 chip_id(sc) <= CHELSIO_T5 ? sysctl_mps_tcam : sysctl_mps_tcam_t6, 5286 "A", "MPS TCAM entries"); 5287 5288 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "path_mtus", 5289 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5290 sysctl_path_mtus, "A", "path MTUs"); 5291 5292 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "pm_stats", 5293 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5294 sysctl_pm_stats, "A", "PM statistics"); 5295 5296 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rdma_stats", 5297 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5298 sysctl_rdma_stats, "A", "RDMA statistics"); 5299 5300 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tcp_stats", 5301 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5302 sysctl_tcp_stats, "A", "TCP statistics"); 5303 5304 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tids", 5305 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5306 sysctl_tids, "A", "TID information"); 5307 5308 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_err_stats", 5309 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5310 sysctl_tp_err_stats, "A", "TP error statistics"); 5311 5312 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la_mask", 5313 CTLTYPE_INT | CTLFLAG_RW, sc, 0, sysctl_tp_la_mask, "I", 5314 "TP logic analyzer event capture mask"); 5315 5316 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la", 5317 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5318 sysctl_tp_la, "A", "TP logic analyzer"); 5319 5320 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tx_rate", 5321 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5322 sysctl_tx_rate, "A", "Tx rate"); 5323 5324 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "ulprx_la", 5325 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5326 sysctl_ulprx_la, "A", "ULPRX logic analyzer"); 5327 5328 if (chip_id(sc) >= CHELSIO_T5) { 5329 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "wcwr_stats", 5330 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, 5331 sysctl_wcwr_stats, "A", "write combined work requests"); 5332 } 5333 #endif 5334 5335 #ifdef TCP_OFFLOAD 5336 if (is_offload(sc)) { 5337 int i; 5338 char s[4]; 5339 5340 /* 5341 * dev.t4nex.X.toe. 5342 */ 5343 oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "toe", CTLFLAG_RD, 5344 NULL, "TOE parameters"); 5345 children = SYSCTL_CHILDREN(oid); 5346 5347 sc->tt.cong_algorithm = -1; 5348 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "cong_algorithm", 5349 CTLFLAG_RW, &sc->tt.cong_algorithm, 0, "congestion control " 5350 "(-1 = default, 0 = reno, 1 = tahoe, 2 = newreno, " 5351 "3 = highspeed)"); 5352 5353 sc->tt.sndbuf = 256 * 1024; 5354 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "sndbuf", CTLFLAG_RW, 5355 &sc->tt.sndbuf, 0, "max hardware send buffer size"); 5356 5357 sc->tt.ddp = 0; 5358 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ddp", CTLFLAG_RW, 5359 &sc->tt.ddp, 0, "DDP allowed"); 5360 5361 sc->tt.rx_coalesce = 1; 5362 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_coalesce", 5363 CTLFLAG_RW, &sc->tt.rx_coalesce, 0, "receive coalescing"); 5364 5365 sc->tt.tx_align = 1; 5366 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tx_align", 5367 CTLFLAG_RW, &sc->tt.tx_align, 0, "chop and align payload"); 5368 5369 sc->tt.tx_zcopy = 0; 5370 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tx_zcopy", 5371 CTLFLAG_RW, &sc->tt.tx_zcopy, 0, 5372 "Enable zero-copy aio_write(2)"); 5373 5374 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "timer_tick", 5375 CTLTYPE_STRING | CTLFLAG_RD, sc, 0, sysctl_tp_tick, "A", 5376 "TP timer tick (us)"); 5377 5378 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "timestamp_tick", 5379 CTLTYPE_STRING | CTLFLAG_RD, sc, 1, sysctl_tp_tick, "A", 5380 "TCP timestamp tick (us)"); 5381 5382 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "dack_tick", 5383 CTLTYPE_STRING | CTLFLAG_RD, sc, 2, sysctl_tp_tick, "A", 5384 "DACK tick (us)"); 5385 5386 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "dack_timer", 5387 CTLTYPE_UINT | CTLFLAG_RD, sc, 0, sysctl_tp_dack_timer, 5388 "IU", "DACK timer (us)"); 5389 5390 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_min", 5391 CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_RXT_MIN, 5392 sysctl_tp_timer, "LU", "Minimum retransmit interval (us)"); 5393 5394 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_max", 5395 CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_RXT_MAX, 5396 sysctl_tp_timer, "LU", "Maximum retransmit interval (us)"); 5397 5398 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "persist_min", 5399 CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_PERS_MIN, 5400 sysctl_tp_timer, "LU", "Persist timer min (us)"); 5401 5402 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "persist_max", 5403 CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_PERS_MAX, 5404 sysctl_tp_timer, "LU", "Persist timer max (us)"); 5405 5406 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_idle", 5407 CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_KEEP_IDLE, 5408 sysctl_tp_timer, "LU", "Keepalive idle timer (us)"); 5409 5410 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_interval", 5411 CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_KEEP_INTVL, 5412 sysctl_tp_timer, "LU", "Keepalive interval timer (us)"); 5413 5414 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "initial_srtt", 5415 CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_INIT_SRTT, 5416 sysctl_tp_timer, "LU", "Initial SRTT (us)"); 5417 5418 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "finwait2_timer", 5419 CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_FINWAIT2_TIMER, 5420 sysctl_tp_timer, "LU", "FINWAIT2 timer (us)"); 5421 5422 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "syn_rexmt_count", 5423 CTLTYPE_UINT | CTLFLAG_RD, sc, S_SYNSHIFTMAX, 5424 sysctl_tp_shift_cnt, "IU", 5425 "Number of SYN retransmissions before abort"); 5426 5427 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_count", 5428 CTLTYPE_UINT | CTLFLAG_RD, sc, S_RXTSHIFTMAXR2, 5429 sysctl_tp_shift_cnt, "IU", 5430 "Number of retransmissions before abort"); 5431 5432 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_count", 5433 CTLTYPE_UINT | CTLFLAG_RD, sc, S_KEEPALIVEMAXR2, 5434 sysctl_tp_shift_cnt, "IU", 5435 "Number of keepalive probes before abort"); 5436 5437 oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "rexmt_backoff", 5438 CTLFLAG_RD, NULL, "TOE retransmit backoffs"); 5439 children = SYSCTL_CHILDREN(oid); 5440 for (i = 0; i < 16; i++) { 5441 snprintf(s, sizeof(s), "%u", i); 5442 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, s, 5443 CTLTYPE_UINT | CTLFLAG_RD, sc, i, sysctl_tp_backoff, 5444 "IU", "TOE retransmit backoff"); 5445 } 5446 } 5447 #endif 5448 } 5449 5450 void 5451 vi_sysctls(struct vi_info *vi) 5452 { 5453 struct sysctl_ctx_list *ctx; 5454 struct sysctl_oid *oid; 5455 struct sysctl_oid_list *children; 5456 5457 ctx = device_get_sysctl_ctx(vi->dev); 5458 5459 /* 5460 * dev.v?(cxgbe|cxl).X. 5461 */ 5462 oid = device_get_sysctl_tree(vi->dev); 5463 children = SYSCTL_CHILDREN(oid); 5464 5465 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "viid", CTLFLAG_RD, NULL, 5466 vi->viid, "VI identifer"); 5467 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nrxq", CTLFLAG_RD, 5468 &vi->nrxq, 0, "# of rx queues"); 5469 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ntxq", CTLFLAG_RD, 5470 &vi->ntxq, 0, "# of tx queues"); 5471 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_rxq", CTLFLAG_RD, 5472 &vi->first_rxq, 0, "index of first rx queue"); 5473 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_txq", CTLFLAG_RD, 5474 &vi->first_txq, 0, "index of first tx queue"); 5475 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "rss_size", CTLFLAG_RD, NULL, 5476 vi->rss_size, "size of RSS indirection table"); 5477 5478 if (IS_MAIN_VI(vi)) { 5479 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rsrv_noflowq", 5480 CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_noflowq, "IU", 5481 "Reserve queue 0 for non-flowid packets"); 5482 } 5483 5484 #ifdef TCP_OFFLOAD 5485 if (vi->nofldrxq != 0) { 5486 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nofldrxq", CTLFLAG_RD, 5487 &vi->nofldrxq, 0, 5488 "# of rx queues for offloaded TCP connections"); 5489 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nofldtxq", CTLFLAG_RD, 5490 &vi->nofldtxq, 0, 5491 "# of tx queues for offloaded TCP connections"); 5492 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_ofld_rxq", 5493 CTLFLAG_RD, &vi->first_ofld_rxq, 0, 5494 "index of first TOE rx queue"); 5495 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_ofld_txq", 5496 CTLFLAG_RD, &vi->first_ofld_txq, 0, 5497 "index of first TOE tx queue"); 5498 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_tmr_idx_ofld", 5499 CTLTYPE_INT | CTLFLAG_RW, vi, 0, 5500 sysctl_holdoff_tmr_idx_ofld, "I", 5501 "holdoff timer index for TOE queues"); 5502 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pktc_idx_ofld", 5503 CTLTYPE_INT | CTLFLAG_RW, vi, 0, 5504 sysctl_holdoff_pktc_idx_ofld, "I", 5505 "holdoff packet counter index for TOE queues"); 5506 } 5507 #endif 5508 #ifdef DEV_NETMAP 5509 if (vi->nnmrxq != 0) { 5510 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nnmrxq", CTLFLAG_RD, 5511 &vi->nnmrxq, 0, "# of netmap rx queues"); 5512 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nnmtxq", CTLFLAG_RD, 5513 &vi->nnmtxq, 0, "# of netmap tx queues"); 5514 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_nm_rxq", 5515 CTLFLAG_RD, &vi->first_nm_rxq, 0, 5516 "index of first netmap rx queue"); 5517 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_nm_txq", 5518 CTLFLAG_RD, &vi->first_nm_txq, 0, 5519 "index of first netmap tx queue"); 5520 } 5521 #endif 5522 5523 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_tmr_idx", 5524 CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_holdoff_tmr_idx, "I", 5525 "holdoff timer index"); 5526 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pktc_idx", 5527 CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_holdoff_pktc_idx, "I", 5528 "holdoff packet counter index"); 5529 5530 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "qsize_rxq", 5531 CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_qsize_rxq, "I", 5532 "rx queue size"); 5533 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "qsize_txq", 5534 CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_qsize_txq, "I", 5535 "tx queue size"); 5536 } 5537 5538 static void 5539 cxgbe_sysctls(struct port_info *pi) 5540 { 5541 struct sysctl_ctx_list *ctx; 5542 struct sysctl_oid *oid; 5543 struct sysctl_oid_list *children, *children2; 5544 struct adapter *sc = pi->adapter; 5545 int i; 5546 char name[16]; 5547 5548 ctx = device_get_sysctl_ctx(pi->dev); 5549 5550 /* 5551 * dev.cxgbe.X. 5552 */ 5553 oid = device_get_sysctl_tree(pi->dev); 5554 children = SYSCTL_CHILDREN(oid); 5555 5556 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "linkdnrc", CTLTYPE_STRING | 5557 CTLFLAG_RD, pi, 0, sysctl_linkdnrc, "A", "reason why link is down"); 5558 if (pi->port_type == FW_PORT_TYPE_BT_XAUI) { 5559 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "temperature", 5560 CTLTYPE_INT | CTLFLAG_RD, pi, 0, sysctl_btphy, "I", 5561 "PHY temperature (in Celsius)"); 5562 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fw_version", 5563 CTLTYPE_INT | CTLFLAG_RD, pi, 1, sysctl_btphy, "I", 5564 "PHY firmware version"); 5565 } 5566 5567 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "pause_settings", 5568 CTLTYPE_STRING | CTLFLAG_RW, pi, 0, sysctl_pause_settings, "A", 5569 "PAUSE settings (bit 0 = rx_pause, bit 1 = tx_pause)"); 5570 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fec", 5571 CTLTYPE_STRING | CTLFLAG_RW, pi, 0, sysctl_fec, "A", 5572 "Forward Error Correction (bit 0 = RS, bit 1 = BASER_RS)"); 5573 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "autoneg", 5574 CTLTYPE_INT | CTLFLAG_RW, pi, 0, sysctl_autoneg, "I", 5575 "autonegotiation (-1 = not supported)"); 5576 5577 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "max_speed", CTLFLAG_RD, NULL, 5578 port_top_speed(pi), "max speed (in Gbps)"); 5579 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "mps_bg_map", CTLFLAG_RD, NULL, 5580 pi->mps_bg_map, "MPS buffer group map"); 5581 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_e_chan_map", CTLFLAG_RD, 5582 NULL, pi->rx_e_chan_map, "TP rx e-channel map"); 5583 5584 if (sc->flags & IS_VF) 5585 return; 5586 5587 /* 5588 * dev.(cxgbe|cxl).X.tc. 5589 */ 5590 oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "tc", CTLFLAG_RD, NULL, 5591 "Tx scheduler traffic classes (cl_rl)"); 5592 for (i = 0; i < sc->chip_params->nsched_cls; i++) { 5593 struct tx_cl_rl_params *tc = &pi->sched_params->cl_rl[i]; 5594 5595 snprintf(name, sizeof(name), "%d", i); 5596 children2 = SYSCTL_CHILDREN(SYSCTL_ADD_NODE(ctx, 5597 SYSCTL_CHILDREN(oid), OID_AUTO, name, CTLFLAG_RD, NULL, 5598 "traffic class")); 5599 SYSCTL_ADD_UINT(ctx, children2, OID_AUTO, "flags", CTLFLAG_RD, 5600 &tc->flags, 0, "flags"); 5601 SYSCTL_ADD_UINT(ctx, children2, OID_AUTO, "refcount", 5602 CTLFLAG_RD, &tc->refcount, 0, "references to this class"); 5603 #ifdef SBUF_DRAIN 5604 SYSCTL_ADD_PROC(ctx, children2, OID_AUTO, "params", 5605 CTLTYPE_STRING | CTLFLAG_RD, sc, (pi->port_id << 16) | i, 5606 sysctl_tc_params, "A", "traffic class parameters"); 5607 #endif 5608 } 5609 5610 /* 5611 * dev.cxgbe.X.stats. 5612 */ 5613 oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "stats", CTLFLAG_RD, 5614 NULL, "port statistics"); 5615 children = SYSCTL_CHILDREN(oid); 5616 SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "tx_parse_error", CTLFLAG_RD, 5617 &pi->tx_parse_error, 0, 5618 "# of tx packets with invalid length or # of segments"); 5619 5620 #define SYSCTL_ADD_T4_REG64(pi, name, desc, reg) \ 5621 SYSCTL_ADD_OID(ctx, children, OID_AUTO, name, \ 5622 CTLTYPE_U64 | CTLFLAG_RD, sc, reg, \ 5623 sysctl_handle_t4_reg64, "QU", desc) 5624 5625 SYSCTL_ADD_T4_REG64(pi, "tx_octets", "# of octets in good frames", 5626 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_BYTES_L)); 5627 SYSCTL_ADD_T4_REG64(pi, "tx_frames", "total # of good frames", 5628 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_FRAMES_L)); 5629 SYSCTL_ADD_T4_REG64(pi, "tx_bcast_frames", "# of broadcast frames", 5630 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_BCAST_L)); 5631 SYSCTL_ADD_T4_REG64(pi, "tx_mcast_frames", "# of multicast frames", 5632 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_MCAST_L)); 5633 SYSCTL_ADD_T4_REG64(pi, "tx_ucast_frames", "# of unicast frames", 5634 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_UCAST_L)); 5635 SYSCTL_ADD_T4_REG64(pi, "tx_error_frames", "# of error frames", 5636 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_ERROR_L)); 5637 SYSCTL_ADD_T4_REG64(pi, "tx_frames_64", 5638 "# of tx frames in this range", 5639 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_64B_L)); 5640 SYSCTL_ADD_T4_REG64(pi, "tx_frames_65_127", 5641 "# of tx frames in this range", 5642 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_65B_127B_L)); 5643 SYSCTL_ADD_T4_REG64(pi, "tx_frames_128_255", 5644 "# of tx frames in this range", 5645 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_128B_255B_L)); 5646 SYSCTL_ADD_T4_REG64(pi, "tx_frames_256_511", 5647 "# of tx frames in this range", 5648 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_256B_511B_L)); 5649 SYSCTL_ADD_T4_REG64(pi, "tx_frames_512_1023", 5650 "# of tx frames in this range", 5651 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_512B_1023B_L)); 5652 SYSCTL_ADD_T4_REG64(pi, "tx_frames_1024_1518", 5653 "# of tx frames in this range", 5654 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_1024B_1518B_L)); 5655 SYSCTL_ADD_T4_REG64(pi, "tx_frames_1519_max", 5656 "# of tx frames in this range", 5657 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_1519B_MAX_L)); 5658 SYSCTL_ADD_T4_REG64(pi, "tx_drop", "# of dropped tx frames", 5659 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_DROP_L)); 5660 SYSCTL_ADD_T4_REG64(pi, "tx_pause", "# of pause frames transmitted", 5661 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PAUSE_L)); 5662 SYSCTL_ADD_T4_REG64(pi, "tx_ppp0", "# of PPP prio 0 frames transmitted", 5663 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP0_L)); 5664 SYSCTL_ADD_T4_REG64(pi, "tx_ppp1", "# of PPP prio 1 frames transmitted", 5665 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP1_L)); 5666 SYSCTL_ADD_T4_REG64(pi, "tx_ppp2", "# of PPP prio 2 frames transmitted", 5667 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP2_L)); 5668 SYSCTL_ADD_T4_REG64(pi, "tx_ppp3", "# of PPP prio 3 frames transmitted", 5669 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP3_L)); 5670 SYSCTL_ADD_T4_REG64(pi, "tx_ppp4", "# of PPP prio 4 frames transmitted", 5671 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP4_L)); 5672 SYSCTL_ADD_T4_REG64(pi, "tx_ppp5", "# of PPP prio 5 frames transmitted", 5673 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP5_L)); 5674 SYSCTL_ADD_T4_REG64(pi, "tx_ppp6", "# of PPP prio 6 frames transmitted", 5675 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP6_L)); 5676 SYSCTL_ADD_T4_REG64(pi, "tx_ppp7", "# of PPP prio 7 frames transmitted", 5677 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP7_L)); 5678 5679 SYSCTL_ADD_T4_REG64(pi, "rx_octets", "# of octets in good frames", 5680 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_BYTES_L)); 5681 SYSCTL_ADD_T4_REG64(pi, "rx_frames", "total # of good frames", 5682 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_FRAMES_L)); 5683 SYSCTL_ADD_T4_REG64(pi, "rx_bcast_frames", "# of broadcast frames", 5684 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_BCAST_L)); 5685 SYSCTL_ADD_T4_REG64(pi, "rx_mcast_frames", "# of multicast frames", 5686 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MCAST_L)); 5687 SYSCTL_ADD_T4_REG64(pi, "rx_ucast_frames", "# of unicast frames", 5688 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_UCAST_L)); 5689 SYSCTL_ADD_T4_REG64(pi, "rx_too_long", "# of frames exceeding MTU", 5690 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MTU_ERROR_L)); 5691 SYSCTL_ADD_T4_REG64(pi, "rx_jabber", "# of jabber frames", 5692 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MTU_CRC_ERROR_L)); 5693 SYSCTL_ADD_T4_REG64(pi, "rx_fcs_err", 5694 "# of frames received with bad FCS", 5695 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_CRC_ERROR_L)); 5696 SYSCTL_ADD_T4_REG64(pi, "rx_len_err", 5697 "# of frames received with length error", 5698 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_LEN_ERROR_L)); 5699 SYSCTL_ADD_T4_REG64(pi, "rx_symbol_err", "symbol errors", 5700 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_SYM_ERROR_L)); 5701 SYSCTL_ADD_T4_REG64(pi, "rx_runt", "# of short frames received", 5702 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_LESS_64B_L)); 5703 SYSCTL_ADD_T4_REG64(pi, "rx_frames_64", 5704 "# of rx frames in this range", 5705 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_64B_L)); 5706 SYSCTL_ADD_T4_REG64(pi, "rx_frames_65_127", 5707 "# of rx frames in this range", 5708 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_65B_127B_L)); 5709 SYSCTL_ADD_T4_REG64(pi, "rx_frames_128_255", 5710 "# of rx frames in this range", 5711 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_128B_255B_L)); 5712 SYSCTL_ADD_T4_REG64(pi, "rx_frames_256_511", 5713 "# of rx frames in this range", 5714 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_256B_511B_L)); 5715 SYSCTL_ADD_T4_REG64(pi, "rx_frames_512_1023", 5716 "# of rx frames in this range", 5717 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_512B_1023B_L)); 5718 SYSCTL_ADD_T4_REG64(pi, "rx_frames_1024_1518", 5719 "# of rx frames in this range", 5720 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_1024B_1518B_L)); 5721 SYSCTL_ADD_T4_REG64(pi, "rx_frames_1519_max", 5722 "# of rx frames in this range", 5723 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_1519B_MAX_L)); 5724 SYSCTL_ADD_T4_REG64(pi, "rx_pause", "# of pause frames received", 5725 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PAUSE_L)); 5726 SYSCTL_ADD_T4_REG64(pi, "rx_ppp0", "# of PPP prio 0 frames received", 5727 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP0_L)); 5728 SYSCTL_ADD_T4_REG64(pi, "rx_ppp1", "# of PPP prio 1 frames received", 5729 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP1_L)); 5730 SYSCTL_ADD_T4_REG64(pi, "rx_ppp2", "# of PPP prio 2 frames received", 5731 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP2_L)); 5732 SYSCTL_ADD_T4_REG64(pi, "rx_ppp3", "# of PPP prio 3 frames received", 5733 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP3_L)); 5734 SYSCTL_ADD_T4_REG64(pi, "rx_ppp4", "# of PPP prio 4 frames received", 5735 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP4_L)); 5736 SYSCTL_ADD_T4_REG64(pi, "rx_ppp5", "# of PPP prio 5 frames received", 5737 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP5_L)); 5738 SYSCTL_ADD_T4_REG64(pi, "rx_ppp6", "# of PPP prio 6 frames received", 5739 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP6_L)); 5740 SYSCTL_ADD_T4_REG64(pi, "rx_ppp7", "# of PPP prio 7 frames received", 5741 PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP7_L)); 5742 5743 #undef SYSCTL_ADD_T4_REG64 5744 5745 #define SYSCTL_ADD_T4_PORTSTAT(name, desc) \ 5746 SYSCTL_ADD_UQUAD(ctx, children, OID_AUTO, #name, CTLFLAG_RD, \ 5747 &pi->stats.name, desc) 5748 5749 /* We get these from port_stats and they may be stale by up to 1s */ 5750 SYSCTL_ADD_T4_PORTSTAT(rx_ovflow0, 5751 "# drops due to buffer-group 0 overflows"); 5752 SYSCTL_ADD_T4_PORTSTAT(rx_ovflow1, 5753 "# drops due to buffer-group 1 overflows"); 5754 SYSCTL_ADD_T4_PORTSTAT(rx_ovflow2, 5755 "# drops due to buffer-group 2 overflows"); 5756 SYSCTL_ADD_T4_PORTSTAT(rx_ovflow3, 5757 "# drops due to buffer-group 3 overflows"); 5758 SYSCTL_ADD_T4_PORTSTAT(rx_trunc0, 5759 "# of buffer-group 0 truncated packets"); 5760 SYSCTL_ADD_T4_PORTSTAT(rx_trunc1, 5761 "# of buffer-group 1 truncated packets"); 5762 SYSCTL_ADD_T4_PORTSTAT(rx_trunc2, 5763 "# of buffer-group 2 truncated packets"); 5764 SYSCTL_ADD_T4_PORTSTAT(rx_trunc3, 5765 "# of buffer-group 3 truncated packets"); 5766 5767 #undef SYSCTL_ADD_T4_PORTSTAT 5768 } 5769 5770 static int 5771 sysctl_int_array(SYSCTL_HANDLER_ARGS) 5772 { 5773 int rc, *i, space = 0; 5774 struct sbuf sb; 5775 5776 sbuf_new_for_sysctl(&sb, NULL, 64, req); 5777 for (i = arg1; arg2; arg2 -= sizeof(int), i++) { 5778 if (space) 5779 sbuf_printf(&sb, " "); 5780 sbuf_printf(&sb, "%d", *i); 5781 space = 1; 5782 } 5783 rc = sbuf_finish(&sb); 5784 sbuf_delete(&sb); 5785 return (rc); 5786 } 5787 5788 static int 5789 sysctl_bitfield(SYSCTL_HANDLER_ARGS) 5790 { 5791 int rc; 5792 struct sbuf *sb; 5793 5794 rc = sysctl_wire_old_buffer(req, 0); 5795 if (rc != 0) 5796 return(rc); 5797 5798 sb = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5799 if (sb == NULL) 5800 return (ENOMEM); 5801 5802 sbuf_printf(sb, "%b", (int)arg2, (char *)arg1); 5803 rc = sbuf_finish(sb); 5804 sbuf_delete(sb); 5805 5806 return (rc); 5807 } 5808 5809 static int 5810 sysctl_btphy(SYSCTL_HANDLER_ARGS) 5811 { 5812 struct port_info *pi = arg1; 5813 int op = arg2; 5814 struct adapter *sc = pi->adapter; 5815 u_int v; 5816 int rc; 5817 5818 rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK, "t4btt"); 5819 if (rc) 5820 return (rc); 5821 /* XXX: magic numbers */ 5822 rc = -t4_mdio_rd(sc, sc->mbox, pi->mdio_addr, 0x1e, op ? 0x20 : 0xc820, 5823 &v); 5824 end_synchronized_op(sc, 0); 5825 if (rc) 5826 return (rc); 5827 if (op == 0) 5828 v /= 256; 5829 5830 rc = sysctl_handle_int(oidp, &v, 0, req); 5831 return (rc); 5832 } 5833 5834 static int 5835 sysctl_noflowq(SYSCTL_HANDLER_ARGS) 5836 { 5837 struct vi_info *vi = arg1; 5838 int rc, val; 5839 5840 val = vi->rsrv_noflowq; 5841 rc = sysctl_handle_int(oidp, &val, 0, req); 5842 if (rc != 0 || req->newptr == NULL) 5843 return (rc); 5844 5845 if ((val >= 1) && (vi->ntxq > 1)) 5846 vi->rsrv_noflowq = 1; 5847 else 5848 vi->rsrv_noflowq = 0; 5849 5850 return (rc); 5851 } 5852 5853 static int 5854 sysctl_holdoff_tmr_idx(SYSCTL_HANDLER_ARGS) 5855 { 5856 struct vi_info *vi = arg1; 5857 struct adapter *sc = vi->pi->adapter; 5858 int idx, rc, i; 5859 struct sge_rxq *rxq; 5860 uint8_t v; 5861 5862 idx = vi->tmr_idx; 5863 5864 rc = sysctl_handle_int(oidp, &idx, 0, req); 5865 if (rc != 0 || req->newptr == NULL) 5866 return (rc); 5867 5868 if (idx < 0 || idx >= SGE_NTIMERS) 5869 return (EINVAL); 5870 5871 rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK, 5872 "t4tmr"); 5873 if (rc) 5874 return (rc); 5875 5876 v = V_QINTR_TIMER_IDX(idx) | V_QINTR_CNT_EN(vi->pktc_idx != -1); 5877 for_each_rxq(vi, i, rxq) { 5878 #ifdef atomic_store_rel_8 5879 atomic_store_rel_8(&rxq->iq.intr_params, v); 5880 #else 5881 rxq->iq.intr_params = v; 5882 #endif 5883 } 5884 vi->tmr_idx = idx; 5885 5886 end_synchronized_op(sc, LOCK_HELD); 5887 return (0); 5888 } 5889 5890 static int 5891 sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS) 5892 { 5893 struct vi_info *vi = arg1; 5894 struct adapter *sc = vi->pi->adapter; 5895 int idx, rc; 5896 5897 idx = vi->pktc_idx; 5898 5899 rc = sysctl_handle_int(oidp, &idx, 0, req); 5900 if (rc != 0 || req->newptr == NULL) 5901 return (rc); 5902 5903 if (idx < -1 || idx >= SGE_NCOUNTERS) 5904 return (EINVAL); 5905 5906 rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK, 5907 "t4pktc"); 5908 if (rc) 5909 return (rc); 5910 5911 if (vi->flags & VI_INIT_DONE) 5912 rc = EBUSY; /* cannot be changed once the queues are created */ 5913 else 5914 vi->pktc_idx = idx; 5915 5916 end_synchronized_op(sc, LOCK_HELD); 5917 return (rc); 5918 } 5919 5920 static int 5921 sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS) 5922 { 5923 struct vi_info *vi = arg1; 5924 struct adapter *sc = vi->pi->adapter; 5925 int qsize, rc; 5926 5927 qsize = vi->qsize_rxq; 5928 5929 rc = sysctl_handle_int(oidp, &qsize, 0, req); 5930 if (rc != 0 || req->newptr == NULL) 5931 return (rc); 5932 5933 if (qsize < 128 || (qsize & 7)) 5934 return (EINVAL); 5935 5936 rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK, 5937 "t4rxqs"); 5938 if (rc) 5939 return (rc); 5940 5941 if (vi->flags & VI_INIT_DONE) 5942 rc = EBUSY; /* cannot be changed once the queues are created */ 5943 else 5944 vi->qsize_rxq = qsize; 5945 5946 end_synchronized_op(sc, LOCK_HELD); 5947 return (rc); 5948 } 5949 5950 static int 5951 sysctl_qsize_txq(SYSCTL_HANDLER_ARGS) 5952 { 5953 struct vi_info *vi = arg1; 5954 struct adapter *sc = vi->pi->adapter; 5955 int qsize, rc; 5956 5957 qsize = vi->qsize_txq; 5958 5959 rc = sysctl_handle_int(oidp, &qsize, 0, req); 5960 if (rc != 0 || req->newptr == NULL) 5961 return (rc); 5962 5963 if (qsize < 128 || qsize > 65536) 5964 return (EINVAL); 5965 5966 rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK, 5967 "t4txqs"); 5968 if (rc) 5969 return (rc); 5970 5971 if (vi->flags & VI_INIT_DONE) 5972 rc = EBUSY; /* cannot be changed once the queues are created */ 5973 else 5974 vi->qsize_txq = qsize; 5975 5976 end_synchronized_op(sc, LOCK_HELD); 5977 return (rc); 5978 } 5979 5980 static int 5981 sysctl_pause_settings(SYSCTL_HANDLER_ARGS) 5982 { 5983 struct port_info *pi = arg1; 5984 struct adapter *sc = pi->adapter; 5985 struct link_config *lc = &pi->link_cfg; 5986 int rc; 5987 5988 if (req->newptr == NULL) { 5989 struct sbuf *sb; 5990 static char *bits = "\20\1PAUSE_RX\2PAUSE_TX"; 5991 5992 rc = sysctl_wire_old_buffer(req, 0); 5993 if (rc != 0) 5994 return(rc); 5995 5996 sb = sbuf_new_for_sysctl(NULL, NULL, 128, req); 5997 if (sb == NULL) 5998 return (ENOMEM); 5999 6000 sbuf_printf(sb, "%b", lc->fc & (PAUSE_TX | PAUSE_RX), bits); 6001 rc = sbuf_finish(sb); 6002 sbuf_delete(sb); 6003 } else { 6004 char s[2]; 6005 int n; 6006 6007 s[0] = '0' + (lc->requested_fc & (PAUSE_TX | PAUSE_RX)); 6008 s[1] = 0; 6009 6010 rc = sysctl_handle_string(oidp, s, sizeof(s), req); 6011 if (rc != 0) 6012 return(rc); 6013 6014 if (s[1] != 0) 6015 return (EINVAL); 6016 if (s[0] < '0' || s[0] > '9') 6017 return (EINVAL); /* not a number */ 6018 n = s[0] - '0'; 6019 if (n & ~(PAUSE_TX | PAUSE_RX)) 6020 return (EINVAL); /* some other bit is set too */ 6021 6022 rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK, 6023 "t4PAUSE"); 6024 if (rc) 6025 return (rc); 6026 if ((lc->requested_fc & (PAUSE_TX | PAUSE_RX)) != n) { 6027 lc->requested_fc &= ~(PAUSE_TX | PAUSE_RX); 6028 lc->requested_fc |= n; 6029 rc = -t4_link_l1cfg(sc, sc->mbox, pi->tx_chan, lc); 6030 if (rc == 0) { 6031 lc->fc = lc->requested_fc; 6032 } 6033 } 6034 end_synchronized_op(sc, 0); 6035 } 6036 6037 return (rc); 6038 } 6039 6040 static int 6041 sysctl_fec(SYSCTL_HANDLER_ARGS) 6042 { 6043 struct port_info *pi = arg1; 6044 struct adapter *sc = pi->adapter; 6045 struct link_config *lc = &pi->link_cfg; 6046 int rc; 6047 6048 if (req->newptr == NULL) { 6049 struct sbuf *sb; 6050 static char *bits = "\20\1RS\2BASER_RS\3RESERVED"; 6051 6052 rc = sysctl_wire_old_buffer(req, 0); 6053 if (rc != 0) 6054 return(rc); 6055 6056 sb = sbuf_new_for_sysctl(NULL, NULL, 128, req); 6057 if (sb == NULL) 6058 return (ENOMEM); 6059 6060 sbuf_printf(sb, "%b", lc->fec & M_FW_PORT_CAP_FEC, bits); 6061 rc = sbuf_finish(sb); 6062 sbuf_delete(sb); 6063 } else { 6064 char s[2]; 6065 int n; 6066 6067 s[0] = '0' + (lc->requested_fec & M_FW_PORT_CAP_FEC); 6068 s[1] = 0; 6069 6070 rc = sysctl_handle_string(oidp, s, sizeof(s), req); 6071 if (rc != 0) 6072 return(rc); 6073 6074 if (s[1] != 0) 6075 return (EINVAL); 6076 if (s[0] < '0' || s[0] > '9') 6077 return (EINVAL); /* not a number */ 6078 n = s[0] - '0'; 6079 if (n & ~M_FW_PORT_CAP_FEC) 6080 return (EINVAL); /* some other bit is set too */ 6081 6082 rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK, 6083 "t4fec"); 6084 if (rc) 6085 return (rc); 6086 if ((lc->requested_fec & M_FW_PORT_CAP_FEC) != n) { 6087 lc->requested_fec = n & 6088 G_FW_PORT_CAP_FEC(lc->supported); 6089 rc = -t4_link_l1cfg(sc, sc->mbox, pi->tx_chan, lc); 6090 if (rc == 0) { 6091 lc->fec = lc->requested_fec; 6092 } 6093 } 6094 end_synchronized_op(sc, 0); 6095 } 6096 6097 return (rc); 6098 } 6099 6100 static int 6101 sysctl_autoneg(SYSCTL_HANDLER_ARGS) 6102 { 6103 struct port_info *pi = arg1; 6104 struct adapter *sc = pi->adapter; 6105 struct link_config *lc = &pi->link_cfg; 6106 int rc, val, old; 6107 6108 if (lc->supported & FW_PORT_CAP_ANEG) 6109 val = lc->requested_aneg == AUTONEG_ENABLE ? 1 : 0; 6110 else 6111 val = -1; 6112 rc = sysctl_handle_int(oidp, &val, 0, req); 6113 if (rc != 0 || req->newptr == NULL) 6114 return (rc); 6115 if ((lc->supported & FW_PORT_CAP_ANEG) == 0) 6116 return (ENOTSUP); 6117 6118 if (val == 0) 6119 val = AUTONEG_DISABLE; 6120 else if (val == 1) 6121 val = AUTONEG_ENABLE; 6122 else 6123 return (EINVAL); 6124 if (lc->requested_aneg == val) 6125 return (0); /* no change */ 6126 6127 rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK, 6128 "t4aneg"); 6129 if (rc) 6130 return (rc); 6131 old = lc->requested_aneg; 6132 lc->requested_aneg = val; 6133 rc = -t4_link_l1cfg(sc, sc->mbox, pi->tx_chan, lc); 6134 if (rc != 0) 6135 lc->requested_aneg = old; 6136 end_synchronized_op(sc, 0); 6137 return (rc); 6138 } 6139 6140 static int 6141 sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS) 6142 { 6143 struct adapter *sc = arg1; 6144 int reg = arg2; 6145 uint64_t val; 6146 6147 val = t4_read_reg64(sc, reg); 6148 6149 return (sysctl_handle_64(oidp, &val, 0, req)); 6150 } 6151 6152 static int 6153 sysctl_temperature(SYSCTL_HANDLER_ARGS) 6154 { 6155 struct adapter *sc = arg1; 6156 int rc, t; 6157 uint32_t param, val; 6158 6159 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4temp"); 6160 if (rc) 6161 return (rc); 6162 param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | 6163 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) | 6164 V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_TMP); 6165 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, ¶m, &val); 6166 end_synchronized_op(sc, 0); 6167 if (rc) 6168 return (rc); 6169 6170 /* unknown is returned as 0 but we display -1 in that case */ 6171 t = val == 0 ? -1 : val; 6172 6173 rc = sysctl_handle_int(oidp, &t, 0, req); 6174 return (rc); 6175 } 6176 6177 #ifdef SBUF_DRAIN 6178 static int 6179 sysctl_cctrl(SYSCTL_HANDLER_ARGS) 6180 { 6181 struct adapter *sc = arg1; 6182 struct sbuf *sb; 6183 int rc, i; 6184 uint16_t incr[NMTUS][NCCTRL_WIN]; 6185 static const char *dec_fac[] = { 6186 "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875", 6187 "0.9375" 6188 }; 6189 6190 rc = sysctl_wire_old_buffer(req, 0); 6191 if (rc != 0) 6192 return (rc); 6193 6194 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 6195 if (sb == NULL) 6196 return (ENOMEM); 6197 6198 t4_read_cong_tbl(sc, incr); 6199 6200 for (i = 0; i < NCCTRL_WIN; ++i) { 6201 sbuf_printf(sb, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i, 6202 incr[0][i], incr[1][i], incr[2][i], incr[3][i], incr[4][i], 6203 incr[5][i], incr[6][i], incr[7][i]); 6204 sbuf_printf(sb, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n", 6205 incr[8][i], incr[9][i], incr[10][i], incr[11][i], 6206 incr[12][i], incr[13][i], incr[14][i], incr[15][i], 6207 sc->params.a_wnd[i], dec_fac[sc->params.b_wnd[i]]); 6208 } 6209 6210 rc = sbuf_finish(sb); 6211 sbuf_delete(sb); 6212 6213 return (rc); 6214 } 6215 6216 static const char *qname[CIM_NUM_IBQ + CIM_NUM_OBQ_T5] = { 6217 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI", /* ibq's */ 6218 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI", /* obq's */ 6219 "SGE0-RX", "SGE1-RX" /* additional obq's (T5 onwards) */ 6220 }; 6221 6222 static int 6223 sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS) 6224 { 6225 struct adapter *sc = arg1; 6226 struct sbuf *sb; 6227 int rc, i, n, qid = arg2; 6228 uint32_t *buf, *p; 6229 char *qtype; 6230 u_int cim_num_obq = sc->chip_params->cim_num_obq; 6231 6232 KASSERT(qid >= 0 && qid < CIM_NUM_IBQ + cim_num_obq, 6233 ("%s: bad qid %d\n", __func__, qid)); 6234 6235 if (qid < CIM_NUM_IBQ) { 6236 /* inbound queue */ 6237 qtype = "IBQ"; 6238 n = 4 * CIM_IBQ_SIZE; 6239 buf = malloc(n * sizeof(uint32_t), M_CXGBE, M_ZERO | M_WAITOK); 6240 rc = t4_read_cim_ibq(sc, qid, buf, n); 6241 } else { 6242 /* outbound queue */ 6243 qtype = "OBQ"; 6244 qid -= CIM_NUM_IBQ; 6245 n = 4 * cim_num_obq * CIM_OBQ_SIZE; 6246 buf = malloc(n * sizeof(uint32_t), M_CXGBE, M_ZERO | M_WAITOK); 6247 rc = t4_read_cim_obq(sc, qid, buf, n); 6248 } 6249 6250 if (rc < 0) { 6251 rc = -rc; 6252 goto done; 6253 } 6254 n = rc * sizeof(uint32_t); /* rc has # of words actually read */ 6255 6256 rc = sysctl_wire_old_buffer(req, 0); 6257 if (rc != 0) 6258 goto done; 6259 6260 sb = sbuf_new_for_sysctl(NULL, NULL, PAGE_SIZE, req); 6261 if (sb == NULL) { 6262 rc = ENOMEM; 6263 goto done; 6264 } 6265 6266 sbuf_printf(sb, "%s%d %s", qtype , qid, qname[arg2]); 6267 for (i = 0, p = buf; i < n; i += 16, p += 4) 6268 sbuf_printf(sb, "\n%#06x: %08x %08x %08x %08x", i, p[0], p[1], 6269 p[2], p[3]); 6270 6271 rc = sbuf_finish(sb); 6272 sbuf_delete(sb); 6273 done: 6274 free(buf, M_CXGBE); 6275 return (rc); 6276 } 6277 6278 static int 6279 sysctl_cim_la(SYSCTL_HANDLER_ARGS) 6280 { 6281 struct adapter *sc = arg1; 6282 u_int cfg; 6283 struct sbuf *sb; 6284 uint32_t *buf, *p; 6285 int rc; 6286 6287 MPASS(chip_id(sc) <= CHELSIO_T5); 6288 6289 rc = -t4_cim_read(sc, A_UP_UP_DBG_LA_CFG, 1, &cfg); 6290 if (rc != 0) 6291 return (rc); 6292 6293 rc = sysctl_wire_old_buffer(req, 0); 6294 if (rc != 0) 6295 return (rc); 6296 6297 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 6298 if (sb == NULL) 6299 return (ENOMEM); 6300 6301 buf = malloc(sc->params.cim_la_size * sizeof(uint32_t), M_CXGBE, 6302 M_ZERO | M_WAITOK); 6303 6304 rc = -t4_cim_read_la(sc, buf, NULL); 6305 if (rc != 0) 6306 goto done; 6307 6308 sbuf_printf(sb, "Status Data PC%s", 6309 cfg & F_UPDBGLACAPTPCONLY ? "" : 6310 " LS0Stat LS0Addr LS0Data"); 6311 6312 for (p = buf; p <= &buf[sc->params.cim_la_size - 8]; p += 8) { 6313 if (cfg & F_UPDBGLACAPTPCONLY) { 6314 sbuf_printf(sb, "\n %02x %08x %08x", p[5] & 0xff, 6315 p[6], p[7]); 6316 sbuf_printf(sb, "\n %02x %02x%06x %02x%06x", 6317 (p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8, 6318 p[4] & 0xff, p[5] >> 8); 6319 sbuf_printf(sb, "\n %02x %x%07x %x%07x", 6320 (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4, 6321 p[1] & 0xf, p[2] >> 4); 6322 } else { 6323 sbuf_printf(sb, 6324 "\n %02x %x%07x %x%07x %08x %08x " 6325 "%08x%08x%08x%08x", 6326 (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4, 6327 p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5], 6328 p[6], p[7]); 6329 } 6330 } 6331 6332 rc = sbuf_finish(sb); 6333 sbuf_delete(sb); 6334 done: 6335 free(buf, M_CXGBE); 6336 return (rc); 6337 } 6338 6339 static int 6340 sysctl_cim_la_t6(SYSCTL_HANDLER_ARGS) 6341 { 6342 struct adapter *sc = arg1; 6343 u_int cfg; 6344 struct sbuf *sb; 6345 uint32_t *buf, *p; 6346 int rc; 6347 6348 MPASS(chip_id(sc) > CHELSIO_T5); 6349 6350 rc = -t4_cim_read(sc, A_UP_UP_DBG_LA_CFG, 1, &cfg); 6351 if (rc != 0) 6352 return (rc); 6353 6354 rc = sysctl_wire_old_buffer(req, 0); 6355 if (rc != 0) 6356 return (rc); 6357 6358 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 6359 if (sb == NULL) 6360 return (ENOMEM); 6361 6362 buf = malloc(sc->params.cim_la_size * sizeof(uint32_t), M_CXGBE, 6363 M_ZERO | M_WAITOK); 6364 6365 rc = -t4_cim_read_la(sc, buf, NULL); 6366 if (rc != 0) 6367 goto done; 6368 6369 sbuf_printf(sb, "Status Inst Data PC%s", 6370 cfg & F_UPDBGLACAPTPCONLY ? "" : 6371 " LS0Stat LS0Addr LS0Data LS1Stat LS1Addr LS1Data"); 6372 6373 for (p = buf; p <= &buf[sc->params.cim_la_size - 10]; p += 10) { 6374 if (cfg & F_UPDBGLACAPTPCONLY) { 6375 sbuf_printf(sb, "\n %02x %08x %08x %08x", 6376 p[3] & 0xff, p[2], p[1], p[0]); 6377 sbuf_printf(sb, "\n %02x %02x%06x %02x%06x %02x%06x", 6378 (p[6] >> 8) & 0xff, p[6] & 0xff, p[5] >> 8, 6379 p[5] & 0xff, p[4] >> 8, p[4] & 0xff, p[3] >> 8); 6380 sbuf_printf(sb, "\n %02x %04x%04x %04x%04x %04x%04x", 6381 (p[9] >> 16) & 0xff, p[9] & 0xffff, p[8] >> 16, 6382 p[8] & 0xffff, p[7] >> 16, p[7] & 0xffff, 6383 p[6] >> 16); 6384 } else { 6385 sbuf_printf(sb, "\n %02x %04x%04x %04x%04x %04x%04x " 6386 "%08x %08x %08x %08x %08x %08x", 6387 (p[9] >> 16) & 0xff, 6388 p[9] & 0xffff, p[8] >> 16, 6389 p[8] & 0xffff, p[7] >> 16, 6390 p[7] & 0xffff, p[6] >> 16, 6391 p[2], p[1], p[0], p[5], p[4], p[3]); 6392 } 6393 } 6394 6395 rc = sbuf_finish(sb); 6396 sbuf_delete(sb); 6397 done: 6398 free(buf, M_CXGBE); 6399 return (rc); 6400 } 6401 6402 static int 6403 sysctl_cim_ma_la(SYSCTL_HANDLER_ARGS) 6404 { 6405 struct adapter *sc = arg1; 6406 u_int i; 6407 struct sbuf *sb; 6408 uint32_t *buf, *p; 6409 int rc; 6410 6411 rc = sysctl_wire_old_buffer(req, 0); 6412 if (rc != 0) 6413 return (rc); 6414 6415 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 6416 if (sb == NULL) 6417 return (ENOMEM); 6418 6419 buf = malloc(2 * CIM_MALA_SIZE * 5 * sizeof(uint32_t), M_CXGBE, 6420 M_ZERO | M_WAITOK); 6421 6422 t4_cim_read_ma_la(sc, buf, buf + 5 * CIM_MALA_SIZE); 6423 p = buf; 6424 6425 for (i = 0; i < CIM_MALA_SIZE; i++, p += 5) { 6426 sbuf_printf(sb, "\n%02x%08x%08x%08x%08x", p[4], p[3], p[2], 6427 p[1], p[0]); 6428 } 6429 6430 sbuf_printf(sb, "\n\nCnt ID Tag UE Data RDY VLD"); 6431 for (i = 0; i < CIM_MALA_SIZE; i++, p += 5) { 6432 sbuf_printf(sb, "\n%3u %2u %x %u %08x%08x %u %u", 6433 (p[2] >> 10) & 0xff, (p[2] >> 7) & 7, 6434 (p[2] >> 3) & 0xf, (p[2] >> 2) & 1, 6435 (p[1] >> 2) | ((p[2] & 3) << 30), 6436 (p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1, 6437 p[0] & 1); 6438 } 6439 6440 rc = sbuf_finish(sb); 6441 sbuf_delete(sb); 6442 free(buf, M_CXGBE); 6443 return (rc); 6444 } 6445 6446 static int 6447 sysctl_cim_pif_la(SYSCTL_HANDLER_ARGS) 6448 { 6449 struct adapter *sc = arg1; 6450 u_int i; 6451 struct sbuf *sb; 6452 uint32_t *buf, *p; 6453 int rc; 6454 6455 rc = sysctl_wire_old_buffer(req, 0); 6456 if (rc != 0) 6457 return (rc); 6458 6459 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 6460 if (sb == NULL) 6461 return (ENOMEM); 6462 6463 buf = malloc(2 * CIM_PIFLA_SIZE * 6 * sizeof(uint32_t), M_CXGBE, 6464 M_ZERO | M_WAITOK); 6465 6466 t4_cim_read_pif_la(sc, buf, buf + 6 * CIM_PIFLA_SIZE, NULL, NULL); 6467 p = buf; 6468 6469 sbuf_printf(sb, "Cntl ID DataBE Addr Data"); 6470 for (i = 0; i < CIM_PIFLA_SIZE; i++, p += 6) { 6471 sbuf_printf(sb, "\n %02x %02x %04x %08x %08x%08x%08x%08x", 6472 (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f, p[5] & 0xffff, 6473 p[4], p[3], p[2], p[1], p[0]); 6474 } 6475 6476 sbuf_printf(sb, "\n\nCntl ID Data"); 6477 for (i = 0; i < CIM_PIFLA_SIZE; i++, p += 6) { 6478 sbuf_printf(sb, "\n %02x %02x %08x%08x%08x%08x", 6479 (p[4] >> 6) & 0xff, p[4] & 0x3f, p[3], p[2], p[1], p[0]); 6480 } 6481 6482 rc = sbuf_finish(sb); 6483 sbuf_delete(sb); 6484 free(buf, M_CXGBE); 6485 return (rc); 6486 } 6487 6488 static int 6489 sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS) 6490 { 6491 struct adapter *sc = arg1; 6492 struct sbuf *sb; 6493 int rc, i; 6494 uint16_t base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5]; 6495 uint16_t size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5]; 6496 uint16_t thres[CIM_NUM_IBQ]; 6497 uint32_t obq_wr[2 * CIM_NUM_OBQ_T5], *wr = obq_wr; 6498 uint32_t stat[4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5)], *p = stat; 6499 u_int cim_num_obq, ibq_rdaddr, obq_rdaddr, nq; 6500 6501 cim_num_obq = sc->chip_params->cim_num_obq; 6502 if (is_t4(sc)) { 6503 ibq_rdaddr = A_UP_IBQ_0_RDADDR; 6504 obq_rdaddr = A_UP_OBQ_0_REALADDR; 6505 } else { 6506 ibq_rdaddr = A_UP_IBQ_0_SHADOW_RDADDR; 6507 obq_rdaddr = A_UP_OBQ_0_SHADOW_REALADDR; 6508 } 6509 nq = CIM_NUM_IBQ + cim_num_obq; 6510 6511 rc = -t4_cim_read(sc, ibq_rdaddr, 4 * nq, stat); 6512 if (rc == 0) 6513 rc = -t4_cim_read(sc, obq_rdaddr, 2 * cim_num_obq, obq_wr); 6514 if (rc != 0) 6515 return (rc); 6516 6517 t4_read_cimq_cfg(sc, base, size, thres); 6518 6519 rc = sysctl_wire_old_buffer(req, 0); 6520 if (rc != 0) 6521 return (rc); 6522 6523 sb = sbuf_new_for_sysctl(NULL, NULL, PAGE_SIZE, req); 6524 if (sb == NULL) 6525 return (ENOMEM); 6526 6527 sbuf_printf(sb, 6528 " Queue Base Size Thres RdPtr WrPtr SOP EOP Avail"); 6529 6530 for (i = 0; i < CIM_NUM_IBQ; i++, p += 4) 6531 sbuf_printf(sb, "\n%7s %5x %5u %5u %6x %4x %4u %4u %5u", 6532 qname[i], base[i], size[i], thres[i], G_IBQRDADDR(p[0]), 6533 G_IBQWRADDR(p[1]), G_QUESOPCNT(p[3]), G_QUEEOPCNT(p[3]), 6534 G_QUEREMFLITS(p[2]) * 16); 6535 for ( ; i < nq; i++, p += 4, wr += 2) 6536 sbuf_printf(sb, "\n%7s %5x %5u %12x %4x %4u %4u %5u", qname[i], 6537 base[i], size[i], G_QUERDADDR(p[0]) & 0x3fff, 6538 wr[0] - base[i], G_QUESOPCNT(p[3]), G_QUEEOPCNT(p[3]), 6539 G_QUEREMFLITS(p[2]) * 16); 6540 6541 rc = sbuf_finish(sb); 6542 sbuf_delete(sb); 6543 6544 return (rc); 6545 } 6546 6547 static int 6548 sysctl_cpl_stats(SYSCTL_HANDLER_ARGS) 6549 { 6550 struct adapter *sc = arg1; 6551 struct sbuf *sb; 6552 int rc; 6553 struct tp_cpl_stats stats; 6554 6555 rc = sysctl_wire_old_buffer(req, 0); 6556 if (rc != 0) 6557 return (rc); 6558 6559 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 6560 if (sb == NULL) 6561 return (ENOMEM); 6562 6563 mtx_lock(&sc->reg_lock); 6564 t4_tp_get_cpl_stats(sc, &stats, 0); 6565 mtx_unlock(&sc->reg_lock); 6566 6567 if (sc->chip_params->nchan > 2) { 6568 sbuf_printf(sb, " channel 0 channel 1" 6569 " channel 2 channel 3"); 6570 sbuf_printf(sb, "\nCPL requests: %10u %10u %10u %10u", 6571 stats.req[0], stats.req[1], stats.req[2], stats.req[3]); 6572 sbuf_printf(sb, "\nCPL responses: %10u %10u %10u %10u", 6573 stats.rsp[0], stats.rsp[1], stats.rsp[2], stats.rsp[3]); 6574 } else { 6575 sbuf_printf(sb, " channel 0 channel 1"); 6576 sbuf_printf(sb, "\nCPL requests: %10u %10u", 6577 stats.req[0], stats.req[1]); 6578 sbuf_printf(sb, "\nCPL responses: %10u %10u", 6579 stats.rsp[0], stats.rsp[1]); 6580 } 6581 6582 rc = sbuf_finish(sb); 6583 sbuf_delete(sb); 6584 6585 return (rc); 6586 } 6587 6588 static int 6589 sysctl_ddp_stats(SYSCTL_HANDLER_ARGS) 6590 { 6591 struct adapter *sc = arg1; 6592 struct sbuf *sb; 6593 int rc; 6594 struct tp_usm_stats stats; 6595 6596 rc = sysctl_wire_old_buffer(req, 0); 6597 if (rc != 0) 6598 return(rc); 6599 6600 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 6601 if (sb == NULL) 6602 return (ENOMEM); 6603 6604 t4_get_usm_stats(sc, &stats, 1); 6605 6606 sbuf_printf(sb, "Frames: %u\n", stats.frames); 6607 sbuf_printf(sb, "Octets: %ju\n", stats.octets); 6608 sbuf_printf(sb, "Drops: %u", stats.drops); 6609 6610 rc = sbuf_finish(sb); 6611 sbuf_delete(sb); 6612 6613 return (rc); 6614 } 6615 6616 static const char * const devlog_level_strings[] = { 6617 [FW_DEVLOG_LEVEL_EMERG] = "EMERG", 6618 [FW_DEVLOG_LEVEL_CRIT] = "CRIT", 6619 [FW_DEVLOG_LEVEL_ERR] = "ERR", 6620 [FW_DEVLOG_LEVEL_NOTICE] = "NOTICE", 6621 [FW_DEVLOG_LEVEL_INFO] = "INFO", 6622 [FW_DEVLOG_LEVEL_DEBUG] = "DEBUG" 6623 }; 6624 6625 static const char * const devlog_facility_strings[] = { 6626 [FW_DEVLOG_FACILITY_CORE] = "CORE", 6627 [FW_DEVLOG_FACILITY_CF] = "CF", 6628 [FW_DEVLOG_FACILITY_SCHED] = "SCHED", 6629 [FW_DEVLOG_FACILITY_TIMER] = "TIMER", 6630 [FW_DEVLOG_FACILITY_RES] = "RES", 6631 [FW_DEVLOG_FACILITY_HW] = "HW", 6632 [FW_DEVLOG_FACILITY_FLR] = "FLR", 6633 [FW_DEVLOG_FACILITY_DMAQ] = "DMAQ", 6634 [FW_DEVLOG_FACILITY_PHY] = "PHY", 6635 [FW_DEVLOG_FACILITY_MAC] = "MAC", 6636 [FW_DEVLOG_FACILITY_PORT] = "PORT", 6637 [FW_DEVLOG_FACILITY_VI] = "VI", 6638 [FW_DEVLOG_FACILITY_FILTER] = "FILTER", 6639 [FW_DEVLOG_FACILITY_ACL] = "ACL", 6640 [FW_DEVLOG_FACILITY_TM] = "TM", 6641 [FW_DEVLOG_FACILITY_QFC] = "QFC", 6642 [FW_DEVLOG_FACILITY_DCB] = "DCB", 6643 [FW_DEVLOG_FACILITY_ETH] = "ETH", 6644 [FW_DEVLOG_FACILITY_OFLD] = "OFLD", 6645 [FW_DEVLOG_FACILITY_RI] = "RI", 6646 [FW_DEVLOG_FACILITY_ISCSI] = "ISCSI", 6647 [FW_DEVLOG_FACILITY_FCOE] = "FCOE", 6648 [FW_DEVLOG_FACILITY_FOISCSI] = "FOISCSI", 6649 [FW_DEVLOG_FACILITY_FOFCOE] = "FOFCOE", 6650 [FW_DEVLOG_FACILITY_CHNET] = "CHNET", 6651 }; 6652 6653 static int 6654 sysctl_devlog(SYSCTL_HANDLER_ARGS) 6655 { 6656 struct adapter *sc = arg1; 6657 struct devlog_params *dparams = &sc->params.devlog; 6658 struct fw_devlog_e *buf, *e; 6659 int i, j, rc, nentries, first = 0; 6660 struct sbuf *sb; 6661 uint64_t ftstamp = UINT64_MAX; 6662 6663 if (dparams->addr == 0) 6664 return (ENXIO); 6665 6666 buf = malloc(dparams->size, M_CXGBE, M_NOWAIT); 6667 if (buf == NULL) 6668 return (ENOMEM); 6669 6670 rc = read_via_memwin(sc, 1, dparams->addr, (void *)buf, dparams->size); 6671 if (rc != 0) 6672 goto done; 6673 6674 nentries = dparams->size / sizeof(struct fw_devlog_e); 6675 for (i = 0; i < nentries; i++) { 6676 e = &buf[i]; 6677 6678 if (e->timestamp == 0) 6679 break; /* end */ 6680 6681 e->timestamp = be64toh(e->timestamp); 6682 e->seqno = be32toh(e->seqno); 6683 for (j = 0; j < 8; j++) 6684 e->params[j] = be32toh(e->params[j]); 6685 6686 if (e->timestamp < ftstamp) { 6687 ftstamp = e->timestamp; 6688 first = i; 6689 } 6690 } 6691 6692 if (buf[first].timestamp == 0) 6693 goto done; /* nothing in the log */ 6694 6695 rc = sysctl_wire_old_buffer(req, 0); 6696 if (rc != 0) 6697 goto done; 6698 6699 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 6700 if (sb == NULL) { 6701 rc = ENOMEM; 6702 goto done; 6703 } 6704 sbuf_printf(sb, "%10s %15s %8s %8s %s\n", 6705 "Seq#", "Tstamp", "Level", "Facility", "Message"); 6706 6707 i = first; 6708 do { 6709 e = &buf[i]; 6710 if (e->timestamp == 0) 6711 break; /* end */ 6712 6713 sbuf_printf(sb, "%10d %15ju %8s %8s ", 6714 e->seqno, e->timestamp, 6715 (e->level < nitems(devlog_level_strings) ? 6716 devlog_level_strings[e->level] : "UNKNOWN"), 6717 (e->facility < nitems(devlog_facility_strings) ? 6718 devlog_facility_strings[e->facility] : "UNKNOWN")); 6719 sbuf_printf(sb, e->fmt, e->params[0], e->params[1], 6720 e->params[2], e->params[3], e->params[4], 6721 e->params[5], e->params[6], e->params[7]); 6722 6723 if (++i == nentries) 6724 i = 0; 6725 } while (i != first); 6726 6727 rc = sbuf_finish(sb); 6728 sbuf_delete(sb); 6729 done: 6730 free(buf, M_CXGBE); 6731 return (rc); 6732 } 6733 6734 static int 6735 sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS) 6736 { 6737 struct adapter *sc = arg1; 6738 struct sbuf *sb; 6739 int rc; 6740 struct tp_fcoe_stats stats[MAX_NCHAN]; 6741 int i, nchan = sc->chip_params->nchan; 6742 6743 rc = sysctl_wire_old_buffer(req, 0); 6744 if (rc != 0) 6745 return (rc); 6746 6747 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 6748 if (sb == NULL) 6749 return (ENOMEM); 6750 6751 for (i = 0; i < nchan; i++) 6752 t4_get_fcoe_stats(sc, i, &stats[i], 1); 6753 6754 if (nchan > 2) { 6755 sbuf_printf(sb, " channel 0 channel 1" 6756 " channel 2 channel 3"); 6757 sbuf_printf(sb, "\noctetsDDP: %16ju %16ju %16ju %16ju", 6758 stats[0].octets_ddp, stats[1].octets_ddp, 6759 stats[2].octets_ddp, stats[3].octets_ddp); 6760 sbuf_printf(sb, "\nframesDDP: %16u %16u %16u %16u", 6761 stats[0].frames_ddp, stats[1].frames_ddp, 6762 stats[2].frames_ddp, stats[3].frames_ddp); 6763 sbuf_printf(sb, "\nframesDrop: %16u %16u %16u %16u", 6764 stats[0].frames_drop, stats[1].frames_drop, 6765 stats[2].frames_drop, stats[3].frames_drop); 6766 } else { 6767 sbuf_printf(sb, " channel 0 channel 1"); 6768 sbuf_printf(sb, "\noctetsDDP: %16ju %16ju", 6769 stats[0].octets_ddp, stats[1].octets_ddp); 6770 sbuf_printf(sb, "\nframesDDP: %16u %16u", 6771 stats[0].frames_ddp, stats[1].frames_ddp); 6772 sbuf_printf(sb, "\nframesDrop: %16u %16u", 6773 stats[0].frames_drop, stats[1].frames_drop); 6774 } 6775 6776 rc = sbuf_finish(sb); 6777 sbuf_delete(sb); 6778 6779 return (rc); 6780 } 6781 6782 static int 6783 sysctl_hw_sched(SYSCTL_HANDLER_ARGS) 6784 { 6785 struct adapter *sc = arg1; 6786 struct sbuf *sb; 6787 int rc, i; 6788 unsigned int map, kbps, ipg, mode; 6789 unsigned int pace_tab[NTX_SCHED]; 6790 6791 rc = sysctl_wire_old_buffer(req, 0); 6792 if (rc != 0) 6793 return (rc); 6794 6795 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 6796 if (sb == NULL) 6797 return (ENOMEM); 6798 6799 map = t4_read_reg(sc, A_TP_TX_MOD_QUEUE_REQ_MAP); 6800 mode = G_TIMERMODE(t4_read_reg(sc, A_TP_MOD_CONFIG)); 6801 t4_read_pace_tbl(sc, pace_tab); 6802 6803 sbuf_printf(sb, "Scheduler Mode Channel Rate (Kbps) " 6804 "Class IPG (0.1 ns) Flow IPG (us)"); 6805 6806 for (i = 0; i < NTX_SCHED; ++i, map >>= 2) { 6807 t4_get_tx_sched(sc, i, &kbps, &ipg, 1); 6808 sbuf_printf(sb, "\n %u %-5s %u ", i, 6809 (mode & (1 << i)) ? "flow" : "class", map & 3); 6810 if (kbps) 6811 sbuf_printf(sb, "%9u ", kbps); 6812 else 6813 sbuf_printf(sb, " disabled "); 6814 6815 if (ipg) 6816 sbuf_printf(sb, "%13u ", ipg); 6817 else 6818 sbuf_printf(sb, " disabled "); 6819 6820 if (pace_tab[i]) 6821 sbuf_printf(sb, "%10u", pace_tab[i]); 6822 else 6823 sbuf_printf(sb, " disabled"); 6824 } 6825 6826 rc = sbuf_finish(sb); 6827 sbuf_delete(sb); 6828 6829 return (rc); 6830 } 6831 6832 static int 6833 sysctl_lb_stats(SYSCTL_HANDLER_ARGS) 6834 { 6835 struct adapter *sc = arg1; 6836 struct sbuf *sb; 6837 int rc, i, j; 6838 uint64_t *p0, *p1; 6839 struct lb_port_stats s[2]; 6840 static const char *stat_name[] = { 6841 "OctetsOK:", "FramesOK:", "BcastFrames:", "McastFrames:", 6842 "UcastFrames:", "ErrorFrames:", "Frames64:", "Frames65To127:", 6843 "Frames128To255:", "Frames256To511:", "Frames512To1023:", 6844 "Frames1024To1518:", "Frames1519ToMax:", "FramesDropped:", 6845 "BG0FramesDropped:", "BG1FramesDropped:", "BG2FramesDropped:", 6846 "BG3FramesDropped:", "BG0FramesTrunc:", "BG1FramesTrunc:", 6847 "BG2FramesTrunc:", "BG3FramesTrunc:" 6848 }; 6849 6850 rc = sysctl_wire_old_buffer(req, 0); 6851 if (rc != 0) 6852 return (rc); 6853 6854 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 6855 if (sb == NULL) 6856 return (ENOMEM); 6857 6858 memset(s, 0, sizeof(s)); 6859 6860 for (i = 0; i < sc->chip_params->nchan; i += 2) { 6861 t4_get_lb_stats(sc, i, &s[0]); 6862 t4_get_lb_stats(sc, i + 1, &s[1]); 6863 6864 p0 = &s[0].octets; 6865 p1 = &s[1].octets; 6866 sbuf_printf(sb, "%s Loopback %u" 6867 " Loopback %u", i == 0 ? "" : "\n", i, i + 1); 6868 6869 for (j = 0; j < nitems(stat_name); j++) 6870 sbuf_printf(sb, "\n%-17s %20ju %20ju", stat_name[j], 6871 *p0++, *p1++); 6872 } 6873 6874 rc = sbuf_finish(sb); 6875 sbuf_delete(sb); 6876 6877 return (rc); 6878 } 6879 6880 static int 6881 sysctl_linkdnrc(SYSCTL_HANDLER_ARGS) 6882 { 6883 int rc = 0; 6884 struct port_info *pi = arg1; 6885 struct link_config *lc = &pi->link_cfg; 6886 struct sbuf *sb; 6887 6888 rc = sysctl_wire_old_buffer(req, 0); 6889 if (rc != 0) 6890 return(rc); 6891 sb = sbuf_new_for_sysctl(NULL, NULL, 64, req); 6892 if (sb == NULL) 6893 return (ENOMEM); 6894 6895 if (lc->link_ok || lc->link_down_rc == 255) 6896 sbuf_printf(sb, "n/a"); 6897 else 6898 sbuf_printf(sb, "%s", t4_link_down_rc_str(lc->link_down_rc)); 6899 6900 rc = sbuf_finish(sb); 6901 sbuf_delete(sb); 6902 6903 return (rc); 6904 } 6905 6906 struct mem_desc { 6907 unsigned int base; 6908 unsigned int limit; 6909 unsigned int idx; 6910 }; 6911 6912 static int 6913 mem_desc_cmp(const void *a, const void *b) 6914 { 6915 return ((const struct mem_desc *)a)->base - 6916 ((const struct mem_desc *)b)->base; 6917 } 6918 6919 static void 6920 mem_region_show(struct sbuf *sb, const char *name, unsigned int from, 6921 unsigned int to) 6922 { 6923 unsigned int size; 6924 6925 if (from == to) 6926 return; 6927 6928 size = to - from + 1; 6929 if (size == 0) 6930 return; 6931 6932 /* XXX: need humanize_number(3) in libkern for a more readable 'size' */ 6933 sbuf_printf(sb, "%-15s %#x-%#x [%u]\n", name, from, to, size); 6934 } 6935 6936 static int 6937 sysctl_meminfo(SYSCTL_HANDLER_ARGS) 6938 { 6939 struct adapter *sc = arg1; 6940 struct sbuf *sb; 6941 int rc, i, n; 6942 uint32_t lo, hi, used, alloc; 6943 static const char *memory[] = {"EDC0:", "EDC1:", "MC:", "MC0:", "MC1:"}; 6944 static const char *region[] = { 6945 "DBQ contexts:", "IMSG contexts:", "FLM cache:", "TCBs:", 6946 "Pstructs:", "Timers:", "Rx FL:", "Tx FL:", "Pstruct FL:", 6947 "Tx payload:", "Rx payload:", "LE hash:", "iSCSI region:", 6948 "TDDP region:", "TPT region:", "STAG region:", "RQ region:", 6949 "RQUDP region:", "PBL region:", "TXPBL region:", 6950 "DBVFIFO region:", "ULPRX state:", "ULPTX state:", 6951 "On-chip queues:" 6952 }; 6953 struct mem_desc avail[4]; 6954 struct mem_desc mem[nitems(region) + 3]; /* up to 3 holes */ 6955 struct mem_desc *md = mem; 6956 6957 rc = sysctl_wire_old_buffer(req, 0); 6958 if (rc != 0) 6959 return (rc); 6960 6961 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 6962 if (sb == NULL) 6963 return (ENOMEM); 6964 6965 for (i = 0; i < nitems(mem); i++) { 6966 mem[i].limit = 0; 6967 mem[i].idx = i; 6968 } 6969 6970 /* Find and sort the populated memory ranges */ 6971 i = 0; 6972 lo = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE); 6973 if (lo & F_EDRAM0_ENABLE) { 6974 hi = t4_read_reg(sc, A_MA_EDRAM0_BAR); 6975 avail[i].base = G_EDRAM0_BASE(hi) << 20; 6976 avail[i].limit = avail[i].base + (G_EDRAM0_SIZE(hi) << 20); 6977 avail[i].idx = 0; 6978 i++; 6979 } 6980 if (lo & F_EDRAM1_ENABLE) { 6981 hi = t4_read_reg(sc, A_MA_EDRAM1_BAR); 6982 avail[i].base = G_EDRAM1_BASE(hi) << 20; 6983 avail[i].limit = avail[i].base + (G_EDRAM1_SIZE(hi) << 20); 6984 avail[i].idx = 1; 6985 i++; 6986 } 6987 if (lo & F_EXT_MEM_ENABLE) { 6988 hi = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR); 6989 avail[i].base = G_EXT_MEM_BASE(hi) << 20; 6990 avail[i].limit = avail[i].base + 6991 (G_EXT_MEM_SIZE(hi) << 20); 6992 avail[i].idx = is_t5(sc) ? 3 : 2; /* Call it MC0 for T5 */ 6993 i++; 6994 } 6995 if (is_t5(sc) && lo & F_EXT_MEM1_ENABLE) { 6996 hi = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR); 6997 avail[i].base = G_EXT_MEM1_BASE(hi) << 20; 6998 avail[i].limit = avail[i].base + 6999 (G_EXT_MEM1_SIZE(hi) << 20); 7000 avail[i].idx = 4; 7001 i++; 7002 } 7003 if (!i) /* no memory available */ 7004 return 0; 7005 qsort(avail, i, sizeof(struct mem_desc), mem_desc_cmp); 7006 7007 (md++)->base = t4_read_reg(sc, A_SGE_DBQ_CTXT_BADDR); 7008 (md++)->base = t4_read_reg(sc, A_SGE_IMSG_CTXT_BADDR); 7009 (md++)->base = t4_read_reg(sc, A_SGE_FLM_CACHE_BADDR); 7010 (md++)->base = t4_read_reg(sc, A_TP_CMM_TCB_BASE); 7011 (md++)->base = t4_read_reg(sc, A_TP_CMM_MM_BASE); 7012 (md++)->base = t4_read_reg(sc, A_TP_CMM_TIMER_BASE); 7013 (md++)->base = t4_read_reg(sc, A_TP_CMM_MM_RX_FLST_BASE); 7014 (md++)->base = t4_read_reg(sc, A_TP_CMM_MM_TX_FLST_BASE); 7015 (md++)->base = t4_read_reg(sc, A_TP_CMM_MM_PS_FLST_BASE); 7016 7017 /* the next few have explicit upper bounds */ 7018 md->base = t4_read_reg(sc, A_TP_PMM_TX_BASE); 7019 md->limit = md->base - 1 + 7020 t4_read_reg(sc, A_TP_PMM_TX_PAGE_SIZE) * 7021 G_PMTXMAXPAGE(t4_read_reg(sc, A_TP_PMM_TX_MAX_PAGE)); 7022 md++; 7023 7024 md->base = t4_read_reg(sc, A_TP_PMM_RX_BASE); 7025 md->limit = md->base - 1 + 7026 t4_read_reg(sc, A_TP_PMM_RX_PAGE_SIZE) * 7027 G_PMRXMAXPAGE(t4_read_reg(sc, A_TP_PMM_RX_MAX_PAGE)); 7028 md++; 7029 7030 if (t4_read_reg(sc, A_LE_DB_CONFIG) & F_HASHEN) { 7031 if (chip_id(sc) <= CHELSIO_T5) 7032 md->base = t4_read_reg(sc, A_LE_DB_HASH_TID_BASE); 7033 else 7034 md->base = t4_read_reg(sc, A_LE_DB_HASH_TBL_BASE_ADDR); 7035 md->limit = 0; 7036 } else { 7037 md->base = 0; 7038 md->idx = nitems(region); /* hide it */ 7039 } 7040 md++; 7041 7042 #define ulp_region(reg) \ 7043 md->base = t4_read_reg(sc, A_ULP_ ## reg ## _LLIMIT);\ 7044 (md++)->limit = t4_read_reg(sc, A_ULP_ ## reg ## _ULIMIT) 7045 7046 ulp_region(RX_ISCSI); 7047 ulp_region(RX_TDDP); 7048 ulp_region(TX_TPT); 7049 ulp_region(RX_STAG); 7050 ulp_region(RX_RQ); 7051 ulp_region(RX_RQUDP); 7052 ulp_region(RX_PBL); 7053 ulp_region(TX_PBL); 7054 #undef ulp_region 7055 7056 md->base = 0; 7057 md->idx = nitems(region); 7058 if (!is_t4(sc)) { 7059 uint32_t size = 0; 7060 uint32_t sge_ctrl = t4_read_reg(sc, A_SGE_CONTROL2); 7061 uint32_t fifo_size = t4_read_reg(sc, A_SGE_DBVFIFO_SIZE); 7062 7063 if (is_t5(sc)) { 7064 if (sge_ctrl & F_VFIFO_ENABLE) 7065 size = G_DBVFIFO_SIZE(fifo_size); 7066 } else 7067 size = G_T6_DBVFIFO_SIZE(fifo_size); 7068 7069 if (size) { 7070 md->base = G_BASEADDR(t4_read_reg(sc, 7071 A_SGE_DBVFIFO_BADDR)); 7072 md->limit = md->base + (size << 2) - 1; 7073 } 7074 } 7075 md++; 7076 7077 md->base = t4_read_reg(sc, A_ULP_RX_CTX_BASE); 7078 md->limit = 0; 7079 md++; 7080 md->base = t4_read_reg(sc, A_ULP_TX_ERR_TABLE_BASE); 7081 md->limit = 0; 7082 md++; 7083 7084 md->base = sc->vres.ocq.start; 7085 if (sc->vres.ocq.size) 7086 md->limit = md->base + sc->vres.ocq.size - 1; 7087 else 7088 md->idx = nitems(region); /* hide it */ 7089 md++; 7090 7091 /* add any address-space holes, there can be up to 3 */ 7092 for (n = 0; n < i - 1; n++) 7093 if (avail[n].limit < avail[n + 1].base) 7094 (md++)->base = avail[n].limit; 7095 if (avail[n].limit) 7096 (md++)->base = avail[n].limit; 7097 7098 n = md - mem; 7099 qsort(mem, n, sizeof(struct mem_desc), mem_desc_cmp); 7100 7101 for (lo = 0; lo < i; lo++) 7102 mem_region_show(sb, memory[avail[lo].idx], avail[lo].base, 7103 avail[lo].limit - 1); 7104 7105 sbuf_printf(sb, "\n"); 7106 for (i = 0; i < n; i++) { 7107 if (mem[i].idx >= nitems(region)) 7108 continue; /* skip holes */ 7109 if (!mem[i].limit) 7110 mem[i].limit = i < n - 1 ? mem[i + 1].base - 1 : ~0; 7111 mem_region_show(sb, region[mem[i].idx], mem[i].base, 7112 mem[i].limit); 7113 } 7114 7115 sbuf_printf(sb, "\n"); 7116 lo = t4_read_reg(sc, A_CIM_SDRAM_BASE_ADDR); 7117 hi = t4_read_reg(sc, A_CIM_SDRAM_ADDR_SIZE) + lo - 1; 7118 mem_region_show(sb, "uP RAM:", lo, hi); 7119 7120 lo = t4_read_reg(sc, A_CIM_EXTMEM2_BASE_ADDR); 7121 hi = t4_read_reg(sc, A_CIM_EXTMEM2_ADDR_SIZE) + lo - 1; 7122 mem_region_show(sb, "uP Extmem2:", lo, hi); 7123 7124 lo = t4_read_reg(sc, A_TP_PMM_RX_MAX_PAGE); 7125 sbuf_printf(sb, "\n%u Rx pages of size %uKiB for %u channels\n", 7126 G_PMRXMAXPAGE(lo), 7127 t4_read_reg(sc, A_TP_PMM_RX_PAGE_SIZE) >> 10, 7128 (lo & F_PMRXNUMCHN) ? 2 : 1); 7129 7130 lo = t4_read_reg(sc, A_TP_PMM_TX_MAX_PAGE); 7131 hi = t4_read_reg(sc, A_TP_PMM_TX_PAGE_SIZE); 7132 sbuf_printf(sb, "%u Tx pages of size %u%ciB for %u channels\n", 7133 G_PMTXMAXPAGE(lo), 7134 hi >= (1 << 20) ? (hi >> 20) : (hi >> 10), 7135 hi >= (1 << 20) ? 'M' : 'K', 1 << G_PMTXNUMCHN(lo)); 7136 sbuf_printf(sb, "%u p-structs\n", 7137 t4_read_reg(sc, A_TP_CMM_MM_MAX_PSTRUCT)); 7138 7139 for (i = 0; i < 4; i++) { 7140 if (chip_id(sc) > CHELSIO_T5) 7141 lo = t4_read_reg(sc, A_MPS_RX_MAC_BG_PG_CNT0 + i * 4); 7142 else 7143 lo = t4_read_reg(sc, A_MPS_RX_PG_RSV0 + i * 4); 7144 if (is_t5(sc)) { 7145 used = G_T5_USED(lo); 7146 alloc = G_T5_ALLOC(lo); 7147 } else { 7148 used = G_USED(lo); 7149 alloc = G_ALLOC(lo); 7150 } 7151 /* For T6 these are MAC buffer groups */ 7152 sbuf_printf(sb, "\nPort %d using %u pages out of %u allocated", 7153 i, used, alloc); 7154 } 7155 for (i = 0; i < sc->chip_params->nchan; i++) { 7156 if (chip_id(sc) > CHELSIO_T5) 7157 lo = t4_read_reg(sc, A_MPS_RX_LPBK_BG_PG_CNT0 + i * 4); 7158 else 7159 lo = t4_read_reg(sc, A_MPS_RX_PG_RSV4 + i * 4); 7160 if (is_t5(sc)) { 7161 used = G_T5_USED(lo); 7162 alloc = G_T5_ALLOC(lo); 7163 } else { 7164 used = G_USED(lo); 7165 alloc = G_ALLOC(lo); 7166 } 7167 /* For T6 these are MAC buffer groups */ 7168 sbuf_printf(sb, 7169 "\nLoopback %d using %u pages out of %u allocated", 7170 i, used, alloc); 7171 } 7172 7173 rc = sbuf_finish(sb); 7174 sbuf_delete(sb); 7175 7176 return (rc); 7177 } 7178 7179 static inline void 7180 tcamxy2valmask(uint64_t x, uint64_t y, uint8_t *addr, uint64_t *mask) 7181 { 7182 *mask = x | y; 7183 y = htobe64(y); 7184 memcpy(addr, (char *)&y + 2, ETHER_ADDR_LEN); 7185 } 7186 7187 static int 7188 sysctl_mps_tcam(SYSCTL_HANDLER_ARGS) 7189 { 7190 struct adapter *sc = arg1; 7191 struct sbuf *sb; 7192 int rc, i; 7193 7194 MPASS(chip_id(sc) <= CHELSIO_T5); 7195 7196 rc = sysctl_wire_old_buffer(req, 0); 7197 if (rc != 0) 7198 return (rc); 7199 7200 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 7201 if (sb == NULL) 7202 return (ENOMEM); 7203 7204 sbuf_printf(sb, 7205 "Idx Ethernet address Mask Vld Ports PF" 7206 " VF Replication P0 P1 P2 P3 ML"); 7207 for (i = 0; i < sc->chip_params->mps_tcam_size; i++) { 7208 uint64_t tcamx, tcamy, mask; 7209 uint32_t cls_lo, cls_hi; 7210 uint8_t addr[ETHER_ADDR_LEN]; 7211 7212 tcamy = t4_read_reg64(sc, MPS_CLS_TCAM_Y_L(i)); 7213 tcamx = t4_read_reg64(sc, MPS_CLS_TCAM_X_L(i)); 7214 if (tcamx & tcamy) 7215 continue; 7216 tcamxy2valmask(tcamx, tcamy, addr, &mask); 7217 cls_lo = t4_read_reg(sc, MPS_CLS_SRAM_L(i)); 7218 cls_hi = t4_read_reg(sc, MPS_CLS_SRAM_H(i)); 7219 sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x %012jx" 7220 " %c %#x%4u%4d", i, addr[0], addr[1], addr[2], 7221 addr[3], addr[4], addr[5], (uintmax_t)mask, 7222 (cls_lo & F_SRAM_VLD) ? 'Y' : 'N', 7223 G_PORTMAP(cls_hi), G_PF(cls_lo), 7224 (cls_lo & F_VF_VALID) ? G_VF(cls_lo) : -1); 7225 7226 if (cls_lo & F_REPLICATE) { 7227 struct fw_ldst_cmd ldst_cmd; 7228 7229 memset(&ldst_cmd, 0, sizeof(ldst_cmd)); 7230 ldst_cmd.op_to_addrspace = 7231 htobe32(V_FW_CMD_OP(FW_LDST_CMD) | 7232 F_FW_CMD_REQUEST | F_FW_CMD_READ | 7233 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MPS)); 7234 ldst_cmd.cycles_to_len16 = htobe32(FW_LEN16(ldst_cmd)); 7235 ldst_cmd.u.mps.rplc.fid_idx = 7236 htobe16(V_FW_LDST_CMD_FID(FW_LDST_MPS_RPLC) | 7237 V_FW_LDST_CMD_IDX(i)); 7238 7239 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, 7240 "t4mps"); 7241 if (rc) 7242 break; 7243 rc = -t4_wr_mbox(sc, sc->mbox, &ldst_cmd, 7244 sizeof(ldst_cmd), &ldst_cmd); 7245 end_synchronized_op(sc, 0); 7246 7247 if (rc != 0) { 7248 sbuf_printf(sb, "%36d", rc); 7249 rc = 0; 7250 } else { 7251 sbuf_printf(sb, " %08x %08x %08x %08x", 7252 be32toh(ldst_cmd.u.mps.rplc.rplc127_96), 7253 be32toh(ldst_cmd.u.mps.rplc.rplc95_64), 7254 be32toh(ldst_cmd.u.mps.rplc.rplc63_32), 7255 be32toh(ldst_cmd.u.mps.rplc.rplc31_0)); 7256 } 7257 } else 7258 sbuf_printf(sb, "%36s", ""); 7259 7260 sbuf_printf(sb, "%4u%3u%3u%3u %#3x", G_SRAM_PRIO0(cls_lo), 7261 G_SRAM_PRIO1(cls_lo), G_SRAM_PRIO2(cls_lo), 7262 G_SRAM_PRIO3(cls_lo), (cls_lo >> S_MULTILISTEN0) & 0xf); 7263 } 7264 7265 if (rc) 7266 (void) sbuf_finish(sb); 7267 else 7268 rc = sbuf_finish(sb); 7269 sbuf_delete(sb); 7270 7271 return (rc); 7272 } 7273 7274 static int 7275 sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS) 7276 { 7277 struct adapter *sc = arg1; 7278 struct sbuf *sb; 7279 int rc, i; 7280 7281 MPASS(chip_id(sc) > CHELSIO_T5); 7282 7283 rc = sysctl_wire_old_buffer(req, 0); 7284 if (rc != 0) 7285 return (rc); 7286 7287 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 7288 if (sb == NULL) 7289 return (ENOMEM); 7290 7291 sbuf_printf(sb, "Idx Ethernet address Mask VNI Mask" 7292 " IVLAN Vld DIP_Hit Lookup Port Vld Ports PF VF" 7293 " Replication" 7294 " P0 P1 P2 P3 ML\n"); 7295 7296 for (i = 0; i < sc->chip_params->mps_tcam_size; i++) { 7297 uint8_t dip_hit, vlan_vld, lookup_type, port_num; 7298 uint16_t ivlan; 7299 uint64_t tcamx, tcamy, val, mask; 7300 uint32_t cls_lo, cls_hi, ctl, data2, vnix, vniy; 7301 uint8_t addr[ETHER_ADDR_LEN]; 7302 7303 ctl = V_CTLREQID(1) | V_CTLCMDTYPE(0) | V_CTLXYBITSEL(0); 7304 if (i < 256) 7305 ctl |= V_CTLTCAMINDEX(i) | V_CTLTCAMSEL(0); 7306 else 7307 ctl |= V_CTLTCAMINDEX(i - 256) | V_CTLTCAMSEL(1); 7308 t4_write_reg(sc, A_MPS_CLS_TCAM_DATA2_CTL, ctl); 7309 val = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA1_REQ_ID1); 7310 tcamy = G_DMACH(val) << 32; 7311 tcamy |= t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA0_REQ_ID1); 7312 data2 = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA2_REQ_ID1); 7313 lookup_type = G_DATALKPTYPE(data2); 7314 port_num = G_DATAPORTNUM(data2); 7315 if (lookup_type && lookup_type != M_DATALKPTYPE) { 7316 /* Inner header VNI */ 7317 vniy = ((data2 & F_DATAVIDH2) << 23) | 7318 (G_DATAVIDH1(data2) << 16) | G_VIDL(val); 7319 dip_hit = data2 & F_DATADIPHIT; 7320 vlan_vld = 0; 7321 } else { 7322 vniy = 0; 7323 dip_hit = 0; 7324 vlan_vld = data2 & F_DATAVIDH2; 7325 ivlan = G_VIDL(val); 7326 } 7327 7328 ctl |= V_CTLXYBITSEL(1); 7329 t4_write_reg(sc, A_MPS_CLS_TCAM_DATA2_CTL, ctl); 7330 val = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA1_REQ_ID1); 7331 tcamx = G_DMACH(val) << 32; 7332 tcamx |= t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA0_REQ_ID1); 7333 data2 = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA2_REQ_ID1); 7334 if (lookup_type && lookup_type != M_DATALKPTYPE) { 7335 /* Inner header VNI mask */ 7336 vnix = ((data2 & F_DATAVIDH2) << 23) | 7337 (G_DATAVIDH1(data2) << 16) | G_VIDL(val); 7338 } else 7339 vnix = 0; 7340 7341 if (tcamx & tcamy) 7342 continue; 7343 tcamxy2valmask(tcamx, tcamy, addr, &mask); 7344 7345 cls_lo = t4_read_reg(sc, MPS_CLS_SRAM_L(i)); 7346 cls_hi = t4_read_reg(sc, MPS_CLS_SRAM_H(i)); 7347 7348 if (lookup_type && lookup_type != M_DATALKPTYPE) { 7349 sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x " 7350 "%012jx %06x %06x - - %3c" 7351 " 'I' %4x %3c %#x%4u%4d", i, addr[0], 7352 addr[1], addr[2], addr[3], addr[4], addr[5], 7353 (uintmax_t)mask, vniy, vnix, dip_hit ? 'Y' : 'N', 7354 port_num, cls_lo & F_T6_SRAM_VLD ? 'Y' : 'N', 7355 G_PORTMAP(cls_hi), G_T6_PF(cls_lo), 7356 cls_lo & F_T6_VF_VALID ? G_T6_VF(cls_lo) : -1); 7357 } else { 7358 sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x " 7359 "%012jx - - ", i, addr[0], addr[1], 7360 addr[2], addr[3], addr[4], addr[5], 7361 (uintmax_t)mask); 7362 7363 if (vlan_vld) 7364 sbuf_printf(sb, "%4u Y ", ivlan); 7365 else 7366 sbuf_printf(sb, " - N "); 7367 7368 sbuf_printf(sb, "- %3c %4x %3c %#x%4u%4d", 7369 lookup_type ? 'I' : 'O', port_num, 7370 cls_lo & F_T6_SRAM_VLD ? 'Y' : 'N', 7371 G_PORTMAP(cls_hi), G_T6_PF(cls_lo), 7372 cls_lo & F_T6_VF_VALID ? G_T6_VF(cls_lo) : -1); 7373 } 7374 7375 7376 if (cls_lo & F_T6_REPLICATE) { 7377 struct fw_ldst_cmd ldst_cmd; 7378 7379 memset(&ldst_cmd, 0, sizeof(ldst_cmd)); 7380 ldst_cmd.op_to_addrspace = 7381 htobe32(V_FW_CMD_OP(FW_LDST_CMD) | 7382 F_FW_CMD_REQUEST | F_FW_CMD_READ | 7383 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MPS)); 7384 ldst_cmd.cycles_to_len16 = htobe32(FW_LEN16(ldst_cmd)); 7385 ldst_cmd.u.mps.rplc.fid_idx = 7386 htobe16(V_FW_LDST_CMD_FID(FW_LDST_MPS_RPLC) | 7387 V_FW_LDST_CMD_IDX(i)); 7388 7389 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, 7390 "t6mps"); 7391 if (rc) 7392 break; 7393 rc = -t4_wr_mbox(sc, sc->mbox, &ldst_cmd, 7394 sizeof(ldst_cmd), &ldst_cmd); 7395 end_synchronized_op(sc, 0); 7396 7397 if (rc != 0) { 7398 sbuf_printf(sb, "%72d", rc); 7399 rc = 0; 7400 } else { 7401 sbuf_printf(sb, " %08x %08x %08x %08x" 7402 " %08x %08x %08x %08x", 7403 be32toh(ldst_cmd.u.mps.rplc.rplc255_224), 7404 be32toh(ldst_cmd.u.mps.rplc.rplc223_192), 7405 be32toh(ldst_cmd.u.mps.rplc.rplc191_160), 7406 be32toh(ldst_cmd.u.mps.rplc.rplc159_128), 7407 be32toh(ldst_cmd.u.mps.rplc.rplc127_96), 7408 be32toh(ldst_cmd.u.mps.rplc.rplc95_64), 7409 be32toh(ldst_cmd.u.mps.rplc.rplc63_32), 7410 be32toh(ldst_cmd.u.mps.rplc.rplc31_0)); 7411 } 7412 } else 7413 sbuf_printf(sb, "%72s", ""); 7414 7415 sbuf_printf(sb, "%4u%3u%3u%3u %#x", 7416 G_T6_SRAM_PRIO0(cls_lo), G_T6_SRAM_PRIO1(cls_lo), 7417 G_T6_SRAM_PRIO2(cls_lo), G_T6_SRAM_PRIO3(cls_lo), 7418 (cls_lo >> S_T6_MULTILISTEN0) & 0xf); 7419 } 7420 7421 if (rc) 7422 (void) sbuf_finish(sb); 7423 else 7424 rc = sbuf_finish(sb); 7425 sbuf_delete(sb); 7426 7427 return (rc); 7428 } 7429 7430 static int 7431 sysctl_path_mtus(SYSCTL_HANDLER_ARGS) 7432 { 7433 struct adapter *sc = arg1; 7434 struct sbuf *sb; 7435 int rc; 7436 uint16_t mtus[NMTUS]; 7437 7438 rc = sysctl_wire_old_buffer(req, 0); 7439 if (rc != 0) 7440 return (rc); 7441 7442 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 7443 if (sb == NULL) 7444 return (ENOMEM); 7445 7446 t4_read_mtu_tbl(sc, mtus, NULL); 7447 7448 sbuf_printf(sb, "%u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u", 7449 mtus[0], mtus[1], mtus[2], mtus[3], mtus[4], mtus[5], mtus[6], 7450 mtus[7], mtus[8], mtus[9], mtus[10], mtus[11], mtus[12], mtus[13], 7451 mtus[14], mtus[15]); 7452 7453 rc = sbuf_finish(sb); 7454 sbuf_delete(sb); 7455 7456 return (rc); 7457 } 7458 7459 static int 7460 sysctl_pm_stats(SYSCTL_HANDLER_ARGS) 7461 { 7462 struct adapter *sc = arg1; 7463 struct sbuf *sb; 7464 int rc, i; 7465 uint32_t tx_cnt[MAX_PM_NSTATS], rx_cnt[MAX_PM_NSTATS]; 7466 uint64_t tx_cyc[MAX_PM_NSTATS], rx_cyc[MAX_PM_NSTATS]; 7467 static const char *tx_stats[MAX_PM_NSTATS] = { 7468 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:", 7469 "Tx FIFO wait", NULL, "Tx latency" 7470 }; 7471 static const char *rx_stats[MAX_PM_NSTATS] = { 7472 "Read:", "Write bypass:", "Write mem:", "Flush:", 7473 "Rx FIFO wait", NULL, "Rx latency" 7474 }; 7475 7476 rc = sysctl_wire_old_buffer(req, 0); 7477 if (rc != 0) 7478 return (rc); 7479 7480 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 7481 if (sb == NULL) 7482 return (ENOMEM); 7483 7484 t4_pmtx_get_stats(sc, tx_cnt, tx_cyc); 7485 t4_pmrx_get_stats(sc, rx_cnt, rx_cyc); 7486 7487 sbuf_printf(sb, " Tx pcmds Tx bytes"); 7488 for (i = 0; i < 4; i++) { 7489 sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i], 7490 tx_cyc[i]); 7491 } 7492 7493 sbuf_printf(sb, "\n Rx pcmds Rx bytes"); 7494 for (i = 0; i < 4; i++) { 7495 sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i], 7496 rx_cyc[i]); 7497 } 7498 7499 if (chip_id(sc) > CHELSIO_T5) { 7500 sbuf_printf(sb, 7501 "\n Total wait Total occupancy"); 7502 sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i], 7503 tx_cyc[i]); 7504 sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i], 7505 rx_cyc[i]); 7506 7507 i += 2; 7508 MPASS(i < nitems(tx_stats)); 7509 7510 sbuf_printf(sb, 7511 "\n Reads Total wait"); 7512 sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i], 7513 tx_cyc[i]); 7514 sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i], 7515 rx_cyc[i]); 7516 } 7517 7518 rc = sbuf_finish(sb); 7519 sbuf_delete(sb); 7520 7521 return (rc); 7522 } 7523 7524 static int 7525 sysctl_rdma_stats(SYSCTL_HANDLER_ARGS) 7526 { 7527 struct adapter *sc = arg1; 7528 struct sbuf *sb; 7529 int rc; 7530 struct tp_rdma_stats stats; 7531 7532 rc = sysctl_wire_old_buffer(req, 0); 7533 if (rc != 0) 7534 return (rc); 7535 7536 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 7537 if (sb == NULL) 7538 return (ENOMEM); 7539 7540 mtx_lock(&sc->reg_lock); 7541 t4_tp_get_rdma_stats(sc, &stats, 0); 7542 mtx_unlock(&sc->reg_lock); 7543 7544 sbuf_printf(sb, "NoRQEModDefferals: %u\n", stats.rqe_dfr_mod); 7545 sbuf_printf(sb, "NoRQEPktDefferals: %u", stats.rqe_dfr_pkt); 7546 7547 rc = sbuf_finish(sb); 7548 sbuf_delete(sb); 7549 7550 return (rc); 7551 } 7552 7553 static int 7554 sysctl_tcp_stats(SYSCTL_HANDLER_ARGS) 7555 { 7556 struct adapter *sc = arg1; 7557 struct sbuf *sb; 7558 int rc; 7559 struct tp_tcp_stats v4, v6; 7560 7561 rc = sysctl_wire_old_buffer(req, 0); 7562 if (rc != 0) 7563 return (rc); 7564 7565 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 7566 if (sb == NULL) 7567 return (ENOMEM); 7568 7569 mtx_lock(&sc->reg_lock); 7570 t4_tp_get_tcp_stats(sc, &v4, &v6, 0); 7571 mtx_unlock(&sc->reg_lock); 7572 7573 sbuf_printf(sb, 7574 " IP IPv6\n"); 7575 sbuf_printf(sb, "OutRsts: %20u %20u\n", 7576 v4.tcp_out_rsts, v6.tcp_out_rsts); 7577 sbuf_printf(sb, "InSegs: %20ju %20ju\n", 7578 v4.tcp_in_segs, v6.tcp_in_segs); 7579 sbuf_printf(sb, "OutSegs: %20ju %20ju\n", 7580 v4.tcp_out_segs, v6.tcp_out_segs); 7581 sbuf_printf(sb, "RetransSegs: %20ju %20ju", 7582 v4.tcp_retrans_segs, v6.tcp_retrans_segs); 7583 7584 rc = sbuf_finish(sb); 7585 sbuf_delete(sb); 7586 7587 return (rc); 7588 } 7589 7590 static int 7591 sysctl_tids(SYSCTL_HANDLER_ARGS) 7592 { 7593 struct adapter *sc = arg1; 7594 struct sbuf *sb; 7595 int rc; 7596 struct tid_info *t = &sc->tids; 7597 7598 rc = sysctl_wire_old_buffer(req, 0); 7599 if (rc != 0) 7600 return (rc); 7601 7602 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 7603 if (sb == NULL) 7604 return (ENOMEM); 7605 7606 if (t->natids) { 7607 sbuf_printf(sb, "ATID range: 0-%u, in use: %u\n", t->natids - 1, 7608 t->atids_in_use); 7609 } 7610 7611 if (t->ntids) { 7612 sbuf_printf(sb, "TID range: "); 7613 if (t4_read_reg(sc, A_LE_DB_CONFIG) & F_HASHEN) { 7614 uint32_t b, hb; 7615 7616 if (chip_id(sc) <= CHELSIO_T5) { 7617 b = t4_read_reg(sc, A_LE_DB_SERVER_INDEX) / 4; 7618 hb = t4_read_reg(sc, A_LE_DB_TID_HASHBASE) / 4; 7619 } else { 7620 b = t4_read_reg(sc, A_LE_DB_SRVR_START_INDEX); 7621 hb = t4_read_reg(sc, A_T6_LE_DB_HASH_TID_BASE); 7622 } 7623 7624 if (b) 7625 sbuf_printf(sb, "0-%u, ", b - 1); 7626 sbuf_printf(sb, "%u-%u", hb, t->ntids - 1); 7627 } else 7628 sbuf_printf(sb, "0-%u", t->ntids - 1); 7629 sbuf_printf(sb, ", in use: %u\n", 7630 atomic_load_acq_int(&t->tids_in_use)); 7631 } 7632 7633 if (t->nstids) { 7634 sbuf_printf(sb, "STID range: %u-%u, in use: %u\n", t->stid_base, 7635 t->stid_base + t->nstids - 1, t->stids_in_use); 7636 } 7637 7638 if (t->nftids) { 7639 sbuf_printf(sb, "FTID range: %u-%u\n", t->ftid_base, 7640 t->ftid_base + t->nftids - 1); 7641 } 7642 7643 if (t->netids) { 7644 sbuf_printf(sb, "ETID range: %u-%u\n", t->etid_base, 7645 t->etid_base + t->netids - 1); 7646 } 7647 7648 sbuf_printf(sb, "HW TID usage: %u IP users, %u IPv6 users", 7649 t4_read_reg(sc, A_LE_DB_ACT_CNT_IPV4), 7650 t4_read_reg(sc, A_LE_DB_ACT_CNT_IPV6)); 7651 7652 rc = sbuf_finish(sb); 7653 sbuf_delete(sb); 7654 7655 return (rc); 7656 } 7657 7658 static int 7659 sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS) 7660 { 7661 struct adapter *sc = arg1; 7662 struct sbuf *sb; 7663 int rc; 7664 struct tp_err_stats stats; 7665 7666 rc = sysctl_wire_old_buffer(req, 0); 7667 if (rc != 0) 7668 return (rc); 7669 7670 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 7671 if (sb == NULL) 7672 return (ENOMEM); 7673 7674 mtx_lock(&sc->reg_lock); 7675 t4_tp_get_err_stats(sc, &stats, 0); 7676 mtx_unlock(&sc->reg_lock); 7677 7678 if (sc->chip_params->nchan > 2) { 7679 sbuf_printf(sb, " channel 0 channel 1" 7680 " channel 2 channel 3\n"); 7681 sbuf_printf(sb, "macInErrs: %10u %10u %10u %10u\n", 7682 stats.mac_in_errs[0], stats.mac_in_errs[1], 7683 stats.mac_in_errs[2], stats.mac_in_errs[3]); 7684 sbuf_printf(sb, "hdrInErrs: %10u %10u %10u %10u\n", 7685 stats.hdr_in_errs[0], stats.hdr_in_errs[1], 7686 stats.hdr_in_errs[2], stats.hdr_in_errs[3]); 7687 sbuf_printf(sb, "tcpInErrs: %10u %10u %10u %10u\n", 7688 stats.tcp_in_errs[0], stats.tcp_in_errs[1], 7689 stats.tcp_in_errs[2], stats.tcp_in_errs[3]); 7690 sbuf_printf(sb, "tcp6InErrs: %10u %10u %10u %10u\n", 7691 stats.tcp6_in_errs[0], stats.tcp6_in_errs[1], 7692 stats.tcp6_in_errs[2], stats.tcp6_in_errs[3]); 7693 sbuf_printf(sb, "tnlCongDrops: %10u %10u %10u %10u\n", 7694 stats.tnl_cong_drops[0], stats.tnl_cong_drops[1], 7695 stats.tnl_cong_drops[2], stats.tnl_cong_drops[3]); 7696 sbuf_printf(sb, "tnlTxDrops: %10u %10u %10u %10u\n", 7697 stats.tnl_tx_drops[0], stats.tnl_tx_drops[1], 7698 stats.tnl_tx_drops[2], stats.tnl_tx_drops[3]); 7699 sbuf_printf(sb, "ofldVlanDrops: %10u %10u %10u %10u\n", 7700 stats.ofld_vlan_drops[0], stats.ofld_vlan_drops[1], 7701 stats.ofld_vlan_drops[2], stats.ofld_vlan_drops[3]); 7702 sbuf_printf(sb, "ofldChanDrops: %10u %10u %10u %10u\n\n", 7703 stats.ofld_chan_drops[0], stats.ofld_chan_drops[1], 7704 stats.ofld_chan_drops[2], stats.ofld_chan_drops[3]); 7705 } else { 7706 sbuf_printf(sb, " channel 0 channel 1\n"); 7707 sbuf_printf(sb, "macInErrs: %10u %10u\n", 7708 stats.mac_in_errs[0], stats.mac_in_errs[1]); 7709 sbuf_printf(sb, "hdrInErrs: %10u %10u\n", 7710 stats.hdr_in_errs[0], stats.hdr_in_errs[1]); 7711 sbuf_printf(sb, "tcpInErrs: %10u %10u\n", 7712 stats.tcp_in_errs[0], stats.tcp_in_errs[1]); 7713 sbuf_printf(sb, "tcp6InErrs: %10u %10u\n", 7714 stats.tcp6_in_errs[0], stats.tcp6_in_errs[1]); 7715 sbuf_printf(sb, "tnlCongDrops: %10u %10u\n", 7716 stats.tnl_cong_drops[0], stats.tnl_cong_drops[1]); 7717 sbuf_printf(sb, "tnlTxDrops: %10u %10u\n", 7718 stats.tnl_tx_drops[0], stats.tnl_tx_drops[1]); 7719 sbuf_printf(sb, "ofldVlanDrops: %10u %10u\n", 7720 stats.ofld_vlan_drops[0], stats.ofld_vlan_drops[1]); 7721 sbuf_printf(sb, "ofldChanDrops: %10u %10u\n\n", 7722 stats.ofld_chan_drops[0], stats.ofld_chan_drops[1]); 7723 } 7724 7725 sbuf_printf(sb, "ofldNoNeigh: %u\nofldCongDefer: %u", 7726 stats.ofld_no_neigh, stats.ofld_cong_defer); 7727 7728 rc = sbuf_finish(sb); 7729 sbuf_delete(sb); 7730 7731 return (rc); 7732 } 7733 7734 static int 7735 sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS) 7736 { 7737 struct adapter *sc = arg1; 7738 struct tp_params *tpp = &sc->params.tp; 7739 u_int mask; 7740 int rc; 7741 7742 mask = tpp->la_mask >> 16; 7743 rc = sysctl_handle_int(oidp, &mask, 0, req); 7744 if (rc != 0 || req->newptr == NULL) 7745 return (rc); 7746 if (mask > 0xffff) 7747 return (EINVAL); 7748 tpp->la_mask = mask << 16; 7749 t4_set_reg_field(sc, A_TP_DBG_LA_CONFIG, 0xffff0000U, tpp->la_mask); 7750 7751 return (0); 7752 } 7753 7754 struct field_desc { 7755 const char *name; 7756 u_int start; 7757 u_int width; 7758 }; 7759 7760 static void 7761 field_desc_show(struct sbuf *sb, uint64_t v, const struct field_desc *f) 7762 { 7763 char buf[32]; 7764 int line_size = 0; 7765 7766 while (f->name) { 7767 uint64_t mask = (1ULL << f->width) - 1; 7768 int len = snprintf(buf, sizeof(buf), "%s: %ju", f->name, 7769 ((uintmax_t)v >> f->start) & mask); 7770 7771 if (line_size + len >= 79) { 7772 line_size = 8; 7773 sbuf_printf(sb, "\n "); 7774 } 7775 sbuf_printf(sb, "%s ", buf); 7776 line_size += len + 1; 7777 f++; 7778 } 7779 sbuf_printf(sb, "\n"); 7780 } 7781 7782 static const struct field_desc tp_la0[] = { 7783 { "RcfOpCodeOut", 60, 4 }, 7784 { "State", 56, 4 }, 7785 { "WcfState", 52, 4 }, 7786 { "RcfOpcSrcOut", 50, 2 }, 7787 { "CRxError", 49, 1 }, 7788 { "ERxError", 48, 1 }, 7789 { "SanityFailed", 47, 1 }, 7790 { "SpuriousMsg", 46, 1 }, 7791 { "FlushInputMsg", 45, 1 }, 7792 { "FlushInputCpl", 44, 1 }, 7793 { "RssUpBit", 43, 1 }, 7794 { "RssFilterHit", 42, 1 }, 7795 { "Tid", 32, 10 }, 7796 { "InitTcb", 31, 1 }, 7797 { "LineNumber", 24, 7 }, 7798 { "Emsg", 23, 1 }, 7799 { "EdataOut", 22, 1 }, 7800 { "Cmsg", 21, 1 }, 7801 { "CdataOut", 20, 1 }, 7802 { "EreadPdu", 19, 1 }, 7803 { "CreadPdu", 18, 1 }, 7804 { "TunnelPkt", 17, 1 }, 7805 { "RcfPeerFin", 16, 1 }, 7806 { "RcfReasonOut", 12, 4 }, 7807 { "TxCchannel", 10, 2 }, 7808 { "RcfTxChannel", 8, 2 }, 7809 { "RxEchannel", 6, 2 }, 7810 { "RcfRxChannel", 5, 1 }, 7811 { "RcfDataOutSrdy", 4, 1 }, 7812 { "RxDvld", 3, 1 }, 7813 { "RxOoDvld", 2, 1 }, 7814 { "RxCongestion", 1, 1 }, 7815 { "TxCongestion", 0, 1 }, 7816 { NULL } 7817 }; 7818 7819 static const struct field_desc tp_la1[] = { 7820 { "CplCmdIn", 56, 8 }, 7821 { "CplCmdOut", 48, 8 }, 7822 { "ESynOut", 47, 1 }, 7823 { "EAckOut", 46, 1 }, 7824 { "EFinOut", 45, 1 }, 7825 { "ERstOut", 44, 1 }, 7826 { "SynIn", 43, 1 }, 7827 { "AckIn", 42, 1 }, 7828 { "FinIn", 41, 1 }, 7829 { "RstIn", 40, 1 }, 7830 { "DataIn", 39, 1 }, 7831 { "DataInVld", 38, 1 }, 7832 { "PadIn", 37, 1 }, 7833 { "RxBufEmpty", 36, 1 }, 7834 { "RxDdp", 35, 1 }, 7835 { "RxFbCongestion", 34, 1 }, 7836 { "TxFbCongestion", 33, 1 }, 7837 { "TxPktSumSrdy", 32, 1 }, 7838 { "RcfUlpType", 28, 4 }, 7839 { "Eread", 27, 1 }, 7840 { "Ebypass", 26, 1 }, 7841 { "Esave", 25, 1 }, 7842 { "Static0", 24, 1 }, 7843 { "Cread", 23, 1 }, 7844 { "Cbypass", 22, 1 }, 7845 { "Csave", 21, 1 }, 7846 { "CPktOut", 20, 1 }, 7847 { "RxPagePoolFull", 18, 2 }, 7848 { "RxLpbkPkt", 17, 1 }, 7849 { "TxLpbkPkt", 16, 1 }, 7850 { "RxVfValid", 15, 1 }, 7851 { "SynLearned", 14, 1 }, 7852 { "SetDelEntry", 13, 1 }, 7853 { "SetInvEntry", 12, 1 }, 7854 { "CpcmdDvld", 11, 1 }, 7855 { "CpcmdSave", 10, 1 }, 7856 { "RxPstructsFull", 8, 2 }, 7857 { "EpcmdDvld", 7, 1 }, 7858 { "EpcmdFlush", 6, 1 }, 7859 { "EpcmdTrimPrefix", 5, 1 }, 7860 { "EpcmdTrimPostfix", 4, 1 }, 7861 { "ERssIp4Pkt", 3, 1 }, 7862 { "ERssIp6Pkt", 2, 1 }, 7863 { "ERssTcpUdpPkt", 1, 1 }, 7864 { "ERssFceFipPkt", 0, 1 }, 7865 { NULL } 7866 }; 7867 7868 static const struct field_desc tp_la2[] = { 7869 { "CplCmdIn", 56, 8 }, 7870 { "MpsVfVld", 55, 1 }, 7871 { "MpsPf", 52, 3 }, 7872 { "MpsVf", 44, 8 }, 7873 { "SynIn", 43, 1 }, 7874 { "AckIn", 42, 1 }, 7875 { "FinIn", 41, 1 }, 7876 { "RstIn", 40, 1 }, 7877 { "DataIn", 39, 1 }, 7878 { "DataInVld", 38, 1 }, 7879 { "PadIn", 37, 1 }, 7880 { "RxBufEmpty", 36, 1 }, 7881 { "RxDdp", 35, 1 }, 7882 { "RxFbCongestion", 34, 1 }, 7883 { "TxFbCongestion", 33, 1 }, 7884 { "TxPktSumSrdy", 32, 1 }, 7885 { "RcfUlpType", 28, 4 }, 7886 { "Eread", 27, 1 }, 7887 { "Ebypass", 26, 1 }, 7888 { "Esave", 25, 1 }, 7889 { "Static0", 24, 1 }, 7890 { "Cread", 23, 1 }, 7891 { "Cbypass", 22, 1 }, 7892 { "Csave", 21, 1 }, 7893 { "CPktOut", 20, 1 }, 7894 { "RxPagePoolFull", 18, 2 }, 7895 { "RxLpbkPkt", 17, 1 }, 7896 { "TxLpbkPkt", 16, 1 }, 7897 { "RxVfValid", 15, 1 }, 7898 { "SynLearned", 14, 1 }, 7899 { "SetDelEntry", 13, 1 }, 7900 { "SetInvEntry", 12, 1 }, 7901 { "CpcmdDvld", 11, 1 }, 7902 { "CpcmdSave", 10, 1 }, 7903 { "RxPstructsFull", 8, 2 }, 7904 { "EpcmdDvld", 7, 1 }, 7905 { "EpcmdFlush", 6, 1 }, 7906 { "EpcmdTrimPrefix", 5, 1 }, 7907 { "EpcmdTrimPostfix", 4, 1 }, 7908 { "ERssIp4Pkt", 3, 1 }, 7909 { "ERssIp6Pkt", 2, 1 }, 7910 { "ERssTcpUdpPkt", 1, 1 }, 7911 { "ERssFceFipPkt", 0, 1 }, 7912 { NULL } 7913 }; 7914 7915 static void 7916 tp_la_show(struct sbuf *sb, uint64_t *p, int idx) 7917 { 7918 7919 field_desc_show(sb, *p, tp_la0); 7920 } 7921 7922 static void 7923 tp_la_show2(struct sbuf *sb, uint64_t *p, int idx) 7924 { 7925 7926 if (idx) 7927 sbuf_printf(sb, "\n"); 7928 field_desc_show(sb, p[0], tp_la0); 7929 if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL) 7930 field_desc_show(sb, p[1], tp_la0); 7931 } 7932 7933 static void 7934 tp_la_show3(struct sbuf *sb, uint64_t *p, int idx) 7935 { 7936 7937 if (idx) 7938 sbuf_printf(sb, "\n"); 7939 field_desc_show(sb, p[0], tp_la0); 7940 if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL) 7941 field_desc_show(sb, p[1], (p[0] & (1 << 17)) ? tp_la2 : tp_la1); 7942 } 7943 7944 static int 7945 sysctl_tp_la(SYSCTL_HANDLER_ARGS) 7946 { 7947 struct adapter *sc = arg1; 7948 struct sbuf *sb; 7949 uint64_t *buf, *p; 7950 int rc; 7951 u_int i, inc; 7952 void (*show_func)(struct sbuf *, uint64_t *, int); 7953 7954 rc = sysctl_wire_old_buffer(req, 0); 7955 if (rc != 0) 7956 return (rc); 7957 7958 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 7959 if (sb == NULL) 7960 return (ENOMEM); 7961 7962 buf = malloc(TPLA_SIZE * sizeof(uint64_t), M_CXGBE, M_ZERO | M_WAITOK); 7963 7964 t4_tp_read_la(sc, buf, NULL); 7965 p = buf; 7966 7967 switch (G_DBGLAMODE(t4_read_reg(sc, A_TP_DBG_LA_CONFIG))) { 7968 case 2: 7969 inc = 2; 7970 show_func = tp_la_show2; 7971 break; 7972 case 3: 7973 inc = 2; 7974 show_func = tp_la_show3; 7975 break; 7976 default: 7977 inc = 1; 7978 show_func = tp_la_show; 7979 } 7980 7981 for (i = 0; i < TPLA_SIZE / inc; i++, p += inc) 7982 (*show_func)(sb, p, i); 7983 7984 rc = sbuf_finish(sb); 7985 sbuf_delete(sb); 7986 free(buf, M_CXGBE); 7987 return (rc); 7988 } 7989 7990 static int 7991 sysctl_tx_rate(SYSCTL_HANDLER_ARGS) 7992 { 7993 struct adapter *sc = arg1; 7994 struct sbuf *sb; 7995 int rc; 7996 u64 nrate[MAX_NCHAN], orate[MAX_NCHAN]; 7997 7998 rc = sysctl_wire_old_buffer(req, 0); 7999 if (rc != 0) 8000 return (rc); 8001 8002 sb = sbuf_new_for_sysctl(NULL, NULL, 256, req); 8003 if (sb == NULL) 8004 return (ENOMEM); 8005 8006 t4_get_chan_txrate(sc, nrate, orate); 8007 8008 if (sc->chip_params->nchan > 2) { 8009 sbuf_printf(sb, " channel 0 channel 1" 8010 " channel 2 channel 3\n"); 8011 sbuf_printf(sb, "NIC B/s: %10ju %10ju %10ju %10ju\n", 8012 nrate[0], nrate[1], nrate[2], nrate[3]); 8013 sbuf_printf(sb, "Offload B/s: %10ju %10ju %10ju %10ju", 8014 orate[0], orate[1], orate[2], orate[3]); 8015 } else { 8016 sbuf_printf(sb, " channel 0 channel 1\n"); 8017 sbuf_printf(sb, "NIC B/s: %10ju %10ju\n", 8018 nrate[0], nrate[1]); 8019 sbuf_printf(sb, "Offload B/s: %10ju %10ju", 8020 orate[0], orate[1]); 8021 } 8022 8023 rc = sbuf_finish(sb); 8024 sbuf_delete(sb); 8025 8026 return (rc); 8027 } 8028 8029 static int 8030 sysctl_ulprx_la(SYSCTL_HANDLER_ARGS) 8031 { 8032 struct adapter *sc = arg1; 8033 struct sbuf *sb; 8034 uint32_t *buf, *p; 8035 int rc, i; 8036 8037 rc = sysctl_wire_old_buffer(req, 0); 8038 if (rc != 0) 8039 return (rc); 8040 8041 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 8042 if (sb == NULL) 8043 return (ENOMEM); 8044 8045 buf = malloc(ULPRX_LA_SIZE * 8 * sizeof(uint32_t), M_CXGBE, 8046 M_ZERO | M_WAITOK); 8047 8048 t4_ulprx_read_la(sc, buf); 8049 p = buf; 8050 8051 sbuf_printf(sb, " Pcmd Type Message" 8052 " Data"); 8053 for (i = 0; i < ULPRX_LA_SIZE; i++, p += 8) { 8054 sbuf_printf(sb, "\n%08x%08x %4x %08x %08x%08x%08x%08x", 8055 p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]); 8056 } 8057 8058 rc = sbuf_finish(sb); 8059 sbuf_delete(sb); 8060 free(buf, M_CXGBE); 8061 return (rc); 8062 } 8063 8064 static int 8065 sysctl_wcwr_stats(SYSCTL_HANDLER_ARGS) 8066 { 8067 struct adapter *sc = arg1; 8068 struct sbuf *sb; 8069 int rc, v; 8070 8071 MPASS(chip_id(sc) >= CHELSIO_T5); 8072 8073 rc = sysctl_wire_old_buffer(req, 0); 8074 if (rc != 0) 8075 return (rc); 8076 8077 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 8078 if (sb == NULL) 8079 return (ENOMEM); 8080 8081 v = t4_read_reg(sc, A_SGE_STAT_CFG); 8082 if (G_STATSOURCE_T5(v) == 7) { 8083 int mode; 8084 8085 mode = is_t5(sc) ? G_STATMODE(v) : G_T6_STATMODE(v); 8086 if (mode == 0) { 8087 sbuf_printf(sb, "total %d, incomplete %d", 8088 t4_read_reg(sc, A_SGE_STAT_TOTAL), 8089 t4_read_reg(sc, A_SGE_STAT_MATCH)); 8090 } else if (mode == 1) { 8091 sbuf_printf(sb, "total %d, data overflow %d", 8092 t4_read_reg(sc, A_SGE_STAT_TOTAL), 8093 t4_read_reg(sc, A_SGE_STAT_MATCH)); 8094 } else { 8095 sbuf_printf(sb, "unknown mode %d", mode); 8096 } 8097 } 8098 rc = sbuf_finish(sb); 8099 sbuf_delete(sb); 8100 8101 return (rc); 8102 } 8103 8104 static int 8105 sysctl_tc_params(SYSCTL_HANDLER_ARGS) 8106 { 8107 struct adapter *sc = arg1; 8108 struct tx_cl_rl_params tc; 8109 struct sbuf *sb; 8110 int i, rc, port_id, mbps, gbps; 8111 8112 rc = sysctl_wire_old_buffer(req, 0); 8113 if (rc != 0) 8114 return (rc); 8115 8116 sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); 8117 if (sb == NULL) 8118 return (ENOMEM); 8119 8120 port_id = arg2 >> 16; 8121 MPASS(port_id < sc->params.nports); 8122 MPASS(sc->port[port_id] != NULL); 8123 i = arg2 & 0xffff; 8124 MPASS(i < sc->chip_params->nsched_cls); 8125 8126 mtx_lock(&sc->tc_lock); 8127 tc = sc->port[port_id]->sched_params->cl_rl[i]; 8128 mtx_unlock(&sc->tc_lock); 8129 8130 if (tc.flags & TX_CLRL_ERROR) { 8131 sbuf_printf(sb, "error"); 8132 goto done; 8133 } 8134 8135 if (tc.ratemode == SCHED_CLASS_RATEMODE_REL) { 8136 /* XXX: top speed or actual link speed? */ 8137 gbps = port_top_speed(sc->port[port_id]); 8138 sbuf_printf(sb, " %u%% of %uGbps", tc.maxrate, gbps); 8139 } else if (tc.ratemode == SCHED_CLASS_RATEMODE_ABS) { 8140 switch (tc.rateunit) { 8141 case SCHED_CLASS_RATEUNIT_BITS: 8142 mbps = tc.maxrate / 1000; 8143 gbps = tc.maxrate / 1000000; 8144 if (tc.maxrate == gbps * 1000000) 8145 sbuf_printf(sb, " %uGbps", gbps); 8146 else if (tc.maxrate == mbps * 1000) 8147 sbuf_printf(sb, " %uMbps", mbps); 8148 else 8149 sbuf_printf(sb, " %uKbps", tc.maxrate); 8150 break; 8151 case SCHED_CLASS_RATEUNIT_PKTS: 8152 sbuf_printf(sb, " %upps", tc.maxrate); 8153 break; 8154 default: 8155 rc = ENXIO; 8156 goto done; 8157 } 8158 } 8159 8160 switch (tc.mode) { 8161 case SCHED_CLASS_MODE_CLASS: 8162 sbuf_printf(sb, " aggregate"); 8163 break; 8164 case SCHED_CLASS_MODE_FLOW: 8165 sbuf_printf(sb, " per-flow"); 8166 break; 8167 default: 8168 rc = ENXIO; 8169 goto done; 8170 } 8171 8172 done: 8173 if (rc == 0) 8174 rc = sbuf_finish(sb); 8175 sbuf_delete(sb); 8176 8177 return (rc); 8178 } 8179 #endif 8180 8181 #ifdef TCP_OFFLOAD 8182 static void 8183 unit_conv(char *buf, size_t len, u_int val, u_int factor) 8184 { 8185 u_int rem = val % factor; 8186 8187 if (rem == 0) 8188 snprintf(buf, len, "%u", val / factor); 8189 else { 8190 while (rem % 10 == 0) 8191 rem /= 10; 8192 snprintf(buf, len, "%u.%u", val / factor, rem); 8193 } 8194 } 8195 8196 static int 8197 sysctl_tp_tick(SYSCTL_HANDLER_ARGS) 8198 { 8199 struct adapter *sc = arg1; 8200 char buf[16]; 8201 u_int res, re; 8202 u_int cclk_ps = 1000000000 / sc->params.vpd.cclk; 8203 8204 res = t4_read_reg(sc, A_TP_TIMER_RESOLUTION); 8205 switch (arg2) { 8206 case 0: 8207 /* timer_tick */ 8208 re = G_TIMERRESOLUTION(res); 8209 break; 8210 case 1: 8211 /* TCP timestamp tick */ 8212 re = G_TIMESTAMPRESOLUTION(res); 8213 break; 8214 case 2: 8215 /* DACK tick */ 8216 re = G_DELAYEDACKRESOLUTION(res); 8217 break; 8218 default: 8219 return (EDOOFUS); 8220 } 8221 8222 unit_conv(buf, sizeof(buf), (cclk_ps << re), 1000000); 8223 8224 return (sysctl_handle_string(oidp, buf, sizeof(buf), req)); 8225 } 8226 8227 static int 8228 sysctl_tp_dack_timer(SYSCTL_HANDLER_ARGS) 8229 { 8230 struct adapter *sc = arg1; 8231 u_int res, dack_re, v; 8232 u_int cclk_ps = 1000000000 / sc->params.vpd.cclk; 8233 8234 res = t4_read_reg(sc, A_TP_TIMER_RESOLUTION); 8235 dack_re = G_DELAYEDACKRESOLUTION(res); 8236 v = ((cclk_ps << dack_re) / 1000000) * t4_read_reg(sc, A_TP_DACK_TIMER); 8237 8238 return (sysctl_handle_int(oidp, &v, 0, req)); 8239 } 8240 8241 static int 8242 sysctl_tp_timer(SYSCTL_HANDLER_ARGS) 8243 { 8244 struct adapter *sc = arg1; 8245 int reg = arg2; 8246 u_int tre; 8247 u_long tp_tick_us, v; 8248 u_int cclk_ps = 1000000000 / sc->params.vpd.cclk; 8249 8250 MPASS(reg == A_TP_RXT_MIN || reg == A_TP_RXT_MAX || 8251 reg == A_TP_PERS_MIN || reg == A_TP_PERS_MAX || 8252 reg == A_TP_KEEP_IDLE || reg == A_TP_KEEP_INTVL || 8253 reg == A_TP_INIT_SRTT || reg == A_TP_FINWAIT2_TIMER); 8254 8255 tre = G_TIMERRESOLUTION(t4_read_reg(sc, A_TP_TIMER_RESOLUTION)); 8256 tp_tick_us = (cclk_ps << tre) / 1000000; 8257 8258 if (reg == A_TP_INIT_SRTT) 8259 v = tp_tick_us * G_INITSRTT(t4_read_reg(sc, reg)); 8260 else 8261 v = tp_tick_us * t4_read_reg(sc, reg); 8262 8263 return (sysctl_handle_long(oidp, &v, 0, req)); 8264 } 8265 8266 /* 8267 * All fields in TP_SHIFT_CNT are 4b and the starting location of the field is 8268 * passed to this function. 8269 */ 8270 static int 8271 sysctl_tp_shift_cnt(SYSCTL_HANDLER_ARGS) 8272 { 8273 struct adapter *sc = arg1; 8274 int idx = arg2; 8275 u_int v; 8276 8277 MPASS(idx >= 0 && idx <= 24); 8278 8279 v = (t4_read_reg(sc, A_TP_SHIFT_CNT) >> idx) & 0xf; 8280 8281 return (sysctl_handle_int(oidp, &v, 0, req)); 8282 } 8283 8284 static int 8285 sysctl_tp_backoff(SYSCTL_HANDLER_ARGS) 8286 { 8287 struct adapter *sc = arg1; 8288 int idx = arg2; 8289 u_int shift, v, r; 8290 8291 MPASS(idx >= 0 && idx < 16); 8292 8293 r = A_TP_TCP_BACKOFF_REG0 + (idx & ~3); 8294 shift = (idx & 3) << 3; 8295 v = (t4_read_reg(sc, r) >> shift) & M_TIMERBACKOFFINDEX0; 8296 8297 return (sysctl_handle_int(oidp, &v, 0, req)); 8298 } 8299 8300 static int 8301 sysctl_holdoff_tmr_idx_ofld(SYSCTL_HANDLER_ARGS) 8302 { 8303 struct vi_info *vi = arg1; 8304 struct adapter *sc = vi->pi->adapter; 8305 int idx, rc, i; 8306 struct sge_ofld_rxq *ofld_rxq; 8307 uint8_t v; 8308 8309 idx = vi->ofld_tmr_idx; 8310 8311 rc = sysctl_handle_int(oidp, &idx, 0, req); 8312 if (rc != 0 || req->newptr == NULL) 8313 return (rc); 8314 8315 if (idx < 0 || idx >= SGE_NTIMERS) 8316 return (EINVAL); 8317 8318 rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK, 8319 "t4otmr"); 8320 if (rc) 8321 return (rc); 8322 8323 v = V_QINTR_TIMER_IDX(idx) | V_QINTR_CNT_EN(vi->ofld_pktc_idx != -1); 8324 for_each_ofld_rxq(vi, i, ofld_rxq) { 8325 #ifdef atomic_store_rel_8 8326 atomic_store_rel_8(&ofld_rxq->iq.intr_params, v); 8327 #else 8328 ofld_rxq->iq.intr_params = v; 8329 #endif 8330 } 8331 vi->ofld_tmr_idx = idx; 8332 8333 end_synchronized_op(sc, LOCK_HELD); 8334 return (0); 8335 } 8336 8337 static int 8338 sysctl_holdoff_pktc_idx_ofld(SYSCTL_HANDLER_ARGS) 8339 { 8340 struct vi_info *vi = arg1; 8341 struct adapter *sc = vi->pi->adapter; 8342 int idx, rc; 8343 8344 idx = vi->ofld_pktc_idx; 8345 8346 rc = sysctl_handle_int(oidp, &idx, 0, req); 8347 if (rc != 0 || req->newptr == NULL) 8348 return (rc); 8349 8350 if (idx < -1 || idx >= SGE_NCOUNTERS) 8351 return (EINVAL); 8352 8353 rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK, 8354 "t4opktc"); 8355 if (rc) 8356 return (rc); 8357 8358 if (vi->flags & VI_INIT_DONE) 8359 rc = EBUSY; /* cannot be changed once the queues are created */ 8360 else 8361 vi->ofld_pktc_idx = idx; 8362 8363 end_synchronized_op(sc, LOCK_HELD); 8364 return (rc); 8365 } 8366 #endif 8367 8368 static uint32_t 8369 fconf_iconf_to_mode(uint32_t fconf, uint32_t iconf) 8370 { 8371 uint32_t mode; 8372 8373 mode = T4_FILTER_IPv4 | T4_FILTER_IPv6 | T4_FILTER_IP_SADDR | 8374 T4_FILTER_IP_DADDR | T4_FILTER_IP_SPORT | T4_FILTER_IP_DPORT; 8375 8376 if (fconf & F_FRAGMENTATION) 8377 mode |= T4_FILTER_IP_FRAGMENT; 8378 8379 if (fconf & F_MPSHITTYPE) 8380 mode |= T4_FILTER_MPS_HIT_TYPE; 8381 8382 if (fconf & F_MACMATCH) 8383 mode |= T4_FILTER_MAC_IDX; 8384 8385 if (fconf & F_ETHERTYPE) 8386 mode |= T4_FILTER_ETH_TYPE; 8387 8388 if (fconf & F_PROTOCOL) 8389 mode |= T4_FILTER_IP_PROTO; 8390 8391 if (fconf & F_TOS) 8392 mode |= T4_FILTER_IP_TOS; 8393 8394 if (fconf & F_VLAN) 8395 mode |= T4_FILTER_VLAN; 8396 8397 if (fconf & F_VNIC_ID) { 8398 mode |= T4_FILTER_VNIC; 8399 if (iconf & F_VNIC) 8400 mode |= T4_FILTER_IC_VNIC; 8401 } 8402 8403 if (fconf & F_PORT) 8404 mode |= T4_FILTER_PORT; 8405 8406 if (fconf & F_FCOE) 8407 mode |= T4_FILTER_FCoE; 8408 8409 return (mode); 8410 } 8411 8412 static uint32_t 8413 mode_to_fconf(uint32_t mode) 8414 { 8415 uint32_t fconf = 0; 8416 8417 if (mode & T4_FILTER_IP_FRAGMENT) 8418 fconf |= F_FRAGMENTATION; 8419 8420 if (mode & T4_FILTER_MPS_HIT_TYPE) 8421 fconf |= F_MPSHITTYPE; 8422 8423 if (mode & T4_FILTER_MAC_IDX) 8424 fconf |= F_MACMATCH; 8425 8426 if (mode & T4_FILTER_ETH_TYPE) 8427 fconf |= F_ETHERTYPE; 8428 8429 if (mode & T4_FILTER_IP_PROTO) 8430 fconf |= F_PROTOCOL; 8431 8432 if (mode & T4_FILTER_IP_TOS) 8433 fconf |= F_TOS; 8434 8435 if (mode & T4_FILTER_VLAN) 8436 fconf |= F_VLAN; 8437 8438 if (mode & T4_FILTER_VNIC) 8439 fconf |= F_VNIC_ID; 8440 8441 if (mode & T4_FILTER_PORT) 8442 fconf |= F_PORT; 8443 8444 if (mode & T4_FILTER_FCoE) 8445 fconf |= F_FCOE; 8446 8447 return (fconf); 8448 } 8449 8450 static uint32_t 8451 mode_to_iconf(uint32_t mode) 8452 { 8453 8454 if (mode & T4_FILTER_IC_VNIC) 8455 return (F_VNIC); 8456 return (0); 8457 } 8458 8459 static int check_fspec_against_fconf_iconf(struct adapter *sc, 8460 struct t4_filter_specification *fs) 8461 { 8462 struct tp_params *tpp = &sc->params.tp; 8463 uint32_t fconf = 0; 8464 8465 if (fs->val.frag || fs->mask.frag) 8466 fconf |= F_FRAGMENTATION; 8467 8468 if (fs->val.matchtype || fs->mask.matchtype) 8469 fconf |= F_MPSHITTYPE; 8470 8471 if (fs->val.macidx || fs->mask.macidx) 8472 fconf |= F_MACMATCH; 8473 8474 if (fs->val.ethtype || fs->mask.ethtype) 8475 fconf |= F_ETHERTYPE; 8476 8477 if (fs->val.proto || fs->mask.proto) 8478 fconf |= F_PROTOCOL; 8479 8480 if (fs->val.tos || fs->mask.tos) 8481 fconf |= F_TOS; 8482 8483 if (fs->val.vlan_vld || fs->mask.vlan_vld) 8484 fconf |= F_VLAN; 8485 8486 if (fs->val.ovlan_vld || fs->mask.ovlan_vld) { 8487 fconf |= F_VNIC_ID; 8488 if (tpp->ingress_config & F_VNIC) 8489 return (EINVAL); 8490 } 8491 8492 if (fs->val.pfvf_vld || fs->mask.pfvf_vld) { 8493 fconf |= F_VNIC_ID; 8494 if ((tpp->ingress_config & F_VNIC) == 0) 8495 return (EINVAL); 8496 } 8497 8498 if (fs->val.iport || fs->mask.iport) 8499 fconf |= F_PORT; 8500 8501 if (fs->val.fcoe || fs->mask.fcoe) 8502 fconf |= F_FCOE; 8503 8504 if ((tpp->vlan_pri_map | fconf) != tpp->vlan_pri_map) 8505 return (E2BIG); 8506 8507 return (0); 8508 } 8509 8510 static int 8511 get_filter_mode(struct adapter *sc, uint32_t *mode) 8512 { 8513 struct tp_params *tpp = &sc->params.tp; 8514 8515 /* 8516 * We trust the cached values of the relevant TP registers. This means 8517 * things work reliably only if writes to those registers are always via 8518 * t4_set_filter_mode. 8519 */ 8520 *mode = fconf_iconf_to_mode(tpp->vlan_pri_map, tpp->ingress_config); 8521 8522 return (0); 8523 } 8524 8525 static int 8526 set_filter_mode(struct adapter *sc, uint32_t mode) 8527 { 8528 struct tp_params *tpp = &sc->params.tp; 8529 uint32_t fconf, iconf; 8530 int rc; 8531 8532 iconf = mode_to_iconf(mode); 8533 if ((iconf ^ tpp->ingress_config) & F_VNIC) { 8534 /* 8535 * For now we just complain if A_TP_INGRESS_CONFIG is not 8536 * already set to the correct value for the requested filter 8537 * mode. It's not clear if it's safe to write to this register 8538 * on the fly. (And we trust the cached value of the register). 8539 */ 8540 return (EBUSY); 8541 } 8542 8543 fconf = mode_to_fconf(mode); 8544 8545 rc = begin_synchronized_op(sc, NULL, HOLD_LOCK | SLEEP_OK | INTR_OK, 8546 "t4setfm"); 8547 if (rc) 8548 return (rc); 8549 8550 if (sc->tids.ftids_in_use > 0) { 8551 rc = EBUSY; 8552 goto done; 8553 } 8554 8555 #ifdef TCP_OFFLOAD 8556 if (uld_active(sc, ULD_TOM)) { 8557 rc = EBUSY; 8558 goto done; 8559 } 8560 #endif 8561 8562 rc = -t4_set_filter_mode(sc, fconf, true); 8563 done: 8564 end_synchronized_op(sc, LOCK_HELD); 8565 return (rc); 8566 } 8567 8568 static inline uint64_t 8569 get_filter_hits(struct adapter *sc, uint32_t fid) 8570 { 8571 uint32_t tcb_addr; 8572 8573 tcb_addr = t4_read_reg(sc, A_TP_CMM_TCB_BASE) + 8574 (fid + sc->tids.ftid_base) * TCB_SIZE; 8575 8576 if (is_t4(sc)) { 8577 uint64_t hits; 8578 8579 read_via_memwin(sc, 0, tcb_addr + 16, (uint32_t *)&hits, 8); 8580 return (be64toh(hits)); 8581 } else { 8582 uint32_t hits; 8583 8584 read_via_memwin(sc, 0, tcb_addr + 24, &hits, 4); 8585 return (be32toh(hits)); 8586 } 8587 } 8588 8589 static int 8590 get_filter(struct adapter *sc, struct t4_filter *t) 8591 { 8592 int i, rc, nfilters = sc->tids.nftids; 8593 struct filter_entry *f; 8594 8595 rc = begin_synchronized_op(sc, NULL, HOLD_LOCK | SLEEP_OK | INTR_OK, 8596 "t4getf"); 8597 if (rc) 8598 return (rc); 8599 8600 if (sc->tids.ftids_in_use == 0 || sc->tids.ftid_tab == NULL || 8601 t->idx >= nfilters) { 8602 t->idx = 0xffffffff; 8603 goto done; 8604 } 8605 8606 f = &sc->tids.ftid_tab[t->idx]; 8607 for (i = t->idx; i < nfilters; i++, f++) { 8608 if (f->valid) { 8609 t->idx = i; 8610 t->l2tidx = f->l2t ? f->l2t->idx : 0; 8611 t->smtidx = f->smtidx; 8612 if (f->fs.hitcnts) 8613 t->hits = get_filter_hits(sc, t->idx); 8614 else 8615 t->hits = UINT64_MAX; 8616 t->fs = f->fs; 8617 8618 goto done; 8619 } 8620 } 8621 8622 t->idx = 0xffffffff; 8623 done: 8624 end_synchronized_op(sc, LOCK_HELD); 8625 return (0); 8626 } 8627 8628 static int 8629 set_filter(struct adapter *sc, struct t4_filter *t) 8630 { 8631 unsigned int nfilters, nports; 8632 struct filter_entry *f; 8633 int i, rc; 8634 8635 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4setf"); 8636 if (rc) 8637 return (rc); 8638 8639 nfilters = sc->tids.nftids; 8640 nports = sc->params.nports; 8641 8642 if (nfilters == 0) { 8643 rc = ENOTSUP; 8644 goto done; 8645 } 8646 8647 if (t->idx >= nfilters) { 8648 rc = EINVAL; 8649 goto done; 8650 } 8651 8652 /* Validate against the global filter mode and ingress config */ 8653 rc = check_fspec_against_fconf_iconf(sc, &t->fs); 8654 if (rc != 0) 8655 goto done; 8656 8657 if (t->fs.action == FILTER_SWITCH && t->fs.eport >= nports) { 8658 rc = EINVAL; 8659 goto done; 8660 } 8661 8662 if (t->fs.val.iport >= nports) { 8663 rc = EINVAL; 8664 goto done; 8665 } 8666 8667 /* Can't specify an iq if not steering to it */ 8668 if (!t->fs.dirsteer && t->fs.iq) { 8669 rc = EINVAL; 8670 goto done; 8671 } 8672 8673 /* IPv6 filter idx must be 4 aligned */ 8674 if (t->fs.type == 1 && 8675 ((t->idx & 0x3) || t->idx + 4 >= nfilters)) { 8676 rc = EINVAL; 8677 goto done; 8678 } 8679 8680 if (!(sc->flags & FULL_INIT_DONE) && 8681 ((rc = adapter_full_init(sc)) != 0)) 8682 goto done; 8683 8684 if (sc->tids.ftid_tab == NULL) { 8685 KASSERT(sc->tids.ftids_in_use == 0, 8686 ("%s: no memory allocated but filters_in_use > 0", 8687 __func__)); 8688 8689 sc->tids.ftid_tab = malloc(sizeof (struct filter_entry) * 8690 nfilters, M_CXGBE, M_NOWAIT | M_ZERO); 8691 if (sc->tids.ftid_tab == NULL) { 8692 rc = ENOMEM; 8693 goto done; 8694 } 8695 mtx_init(&sc->tids.ftid_lock, "T4 filters", 0, MTX_DEF); 8696 } 8697 8698 for (i = 0; i < 4; i++) { 8699 f = &sc->tids.ftid_tab[t->idx + i]; 8700 8701 if (f->pending || f->valid) { 8702 rc = EBUSY; 8703 goto done; 8704 } 8705 if (f->locked) { 8706 rc = EPERM; 8707 goto done; 8708 } 8709 8710 if (t->fs.type == 0) 8711 break; 8712 } 8713 8714 f = &sc->tids.ftid_tab[t->idx]; 8715 f->fs = t->fs; 8716 8717 rc = set_filter_wr(sc, t->idx); 8718 done: 8719 end_synchronized_op(sc, 0); 8720 8721 if (rc == 0) { 8722 mtx_lock(&sc->tids.ftid_lock); 8723 for (;;) { 8724 if (f->pending == 0) { 8725 rc = f->valid ? 0 : EIO; 8726 break; 8727 } 8728 8729 if (mtx_sleep(&sc->tids.ftid_tab, &sc->tids.ftid_lock, 8730 PCATCH, "t4setfw", 0)) { 8731 rc = EINPROGRESS; 8732 break; 8733 } 8734 } 8735 mtx_unlock(&sc->tids.ftid_lock); 8736 } 8737 return (rc); 8738 } 8739 8740 static int 8741 del_filter(struct adapter *sc, struct t4_filter *t) 8742 { 8743 unsigned int nfilters; 8744 struct filter_entry *f; 8745 int rc; 8746 8747 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4delf"); 8748 if (rc) 8749 return (rc); 8750 8751 nfilters = sc->tids.nftids; 8752 8753 if (nfilters == 0) { 8754 rc = ENOTSUP; 8755 goto done; 8756 } 8757 8758 if (sc->tids.ftid_tab == NULL || sc->tids.ftids_in_use == 0 || 8759 t->idx >= nfilters) { 8760 rc = EINVAL; 8761 goto done; 8762 } 8763 8764 if (!(sc->flags & FULL_INIT_DONE)) { 8765 rc = EAGAIN; 8766 goto done; 8767 } 8768 8769 f = &sc->tids.ftid_tab[t->idx]; 8770 8771 if (f->pending) { 8772 rc = EBUSY; 8773 goto done; 8774 } 8775 if (f->locked) { 8776 rc = EPERM; 8777 goto done; 8778 } 8779 8780 if (f->valid) { 8781 t->fs = f->fs; /* extra info for the caller */ 8782 rc = del_filter_wr(sc, t->idx); 8783 } 8784 8785 done: 8786 end_synchronized_op(sc, 0); 8787 8788 if (rc == 0) { 8789 mtx_lock(&sc->tids.ftid_lock); 8790 for (;;) { 8791 if (f->pending == 0) { 8792 rc = f->valid ? EIO : 0; 8793 break; 8794 } 8795 8796 if (mtx_sleep(&sc->tids.ftid_tab, &sc->tids.ftid_lock, 8797 PCATCH, "t4delfw", 0)) { 8798 rc = EINPROGRESS; 8799 break; 8800 } 8801 } 8802 mtx_unlock(&sc->tids.ftid_lock); 8803 } 8804 8805 return (rc); 8806 } 8807 8808 static void 8809 clear_filter(struct filter_entry *f) 8810 { 8811 if (f->l2t) 8812 t4_l2t_release(f->l2t); 8813 8814 bzero(f, sizeof (*f)); 8815 } 8816 8817 static int 8818 set_filter_wr(struct adapter *sc, int fidx) 8819 { 8820 struct filter_entry *f = &sc->tids.ftid_tab[fidx]; 8821 struct fw_filter_wr *fwr; 8822 unsigned int ftid, vnic_vld, vnic_vld_mask; 8823 struct wrq_cookie cookie; 8824 8825 ASSERT_SYNCHRONIZED_OP(sc); 8826 8827 if (f->fs.newdmac || f->fs.newvlan) { 8828 /* This filter needs an L2T entry; allocate one. */ 8829 f->l2t = t4_l2t_alloc_switching(sc->l2t); 8830 if (f->l2t == NULL) 8831 return (EAGAIN); 8832 if (t4_l2t_set_switching(sc, f->l2t, f->fs.vlan, f->fs.eport, 8833 f->fs.dmac)) { 8834 t4_l2t_release(f->l2t); 8835 f->l2t = NULL; 8836 return (ENOMEM); 8837 } 8838 } 8839 8840 /* Already validated against fconf, iconf */ 8841 MPASS((f->fs.val.pfvf_vld & f->fs.val.ovlan_vld) == 0); 8842 MPASS((f->fs.mask.pfvf_vld & f->fs.mask.ovlan_vld) == 0); 8843 if (f->fs.val.pfvf_vld || f->fs.val.ovlan_vld) 8844 vnic_vld = 1; 8845 else 8846 vnic_vld = 0; 8847 if (f->fs.mask.pfvf_vld || f->fs.mask.ovlan_vld) 8848 vnic_vld_mask = 1; 8849 else 8850 vnic_vld_mask = 0; 8851 8852 ftid = sc->tids.ftid_base + fidx; 8853 8854 fwr = start_wrq_wr(&sc->sge.mgmtq, howmany(sizeof(*fwr), 16), &cookie); 8855 if (fwr == NULL) 8856 return (ENOMEM); 8857 bzero(fwr, sizeof(*fwr)); 8858 8859 fwr->op_pkd = htobe32(V_FW_WR_OP(FW_FILTER_WR)); 8860 fwr->len16_pkd = htobe32(FW_LEN16(*fwr)); 8861 fwr->tid_to_iq = 8862 htobe32(V_FW_FILTER_WR_TID(ftid) | 8863 V_FW_FILTER_WR_RQTYPE(f->fs.type) | 8864 V_FW_FILTER_WR_NOREPLY(0) | 8865 V_FW_FILTER_WR_IQ(f->fs.iq)); 8866 fwr->del_filter_to_l2tix = 8867 htobe32(V_FW_FILTER_WR_RPTTID(f->fs.rpttid) | 8868 V_FW_FILTER_WR_DROP(f->fs.action == FILTER_DROP) | 8869 V_FW_FILTER_WR_DIRSTEER(f->fs.dirsteer) | 8870 V_FW_FILTER_WR_MASKHASH(f->fs.maskhash) | 8871 V_FW_FILTER_WR_DIRSTEERHASH(f->fs.dirsteerhash) | 8872 V_FW_FILTER_WR_LPBK(f->fs.action == FILTER_SWITCH) | 8873 V_FW_FILTER_WR_DMAC(f->fs.newdmac) | 8874 V_FW_FILTER_WR_SMAC(f->fs.newsmac) | 8875 V_FW_FILTER_WR_INSVLAN(f->fs.newvlan == VLAN_INSERT || 8876 f->fs.newvlan == VLAN_REWRITE) | 8877 V_FW_FILTER_WR_RMVLAN(f->fs.newvlan == VLAN_REMOVE || 8878 f->fs.newvlan == VLAN_REWRITE) | 8879 V_FW_FILTER_WR_HITCNTS(f->fs.hitcnts) | 8880 V_FW_FILTER_WR_TXCHAN(f->fs.eport) | 8881 V_FW_FILTER_WR_PRIO(f->fs.prio) | 8882 V_FW_FILTER_WR_L2TIX(f->l2t ? f->l2t->idx : 0)); 8883 fwr->ethtype = htobe16(f->fs.val.ethtype); 8884 fwr->ethtypem = htobe16(f->fs.mask.ethtype); 8885 fwr->frag_to_ovlan_vldm = 8886 (V_FW_FILTER_WR_FRAG(f->fs.val.frag) | 8887 V_FW_FILTER_WR_FRAGM(f->fs.mask.frag) | 8888 V_FW_FILTER_WR_IVLAN_VLD(f->fs.val.vlan_vld) | 8889 V_FW_FILTER_WR_OVLAN_VLD(vnic_vld) | 8890 V_FW_FILTER_WR_IVLAN_VLDM(f->fs.mask.vlan_vld) | 8891 V_FW_FILTER_WR_OVLAN_VLDM(vnic_vld_mask)); 8892 fwr->smac_sel = 0; 8893 fwr->rx_chan_rx_rpl_iq = htobe16(V_FW_FILTER_WR_RX_CHAN(0) | 8894 V_FW_FILTER_WR_RX_RPL_IQ(sc->sge.fwq.abs_id)); 8895 fwr->maci_to_matchtypem = 8896 htobe32(V_FW_FILTER_WR_MACI(f->fs.val.macidx) | 8897 V_FW_FILTER_WR_MACIM(f->fs.mask.macidx) | 8898 V_FW_FILTER_WR_FCOE(f->fs.val.fcoe) | 8899 V_FW_FILTER_WR_FCOEM(f->fs.mask.fcoe) | 8900 V_FW_FILTER_WR_PORT(f->fs.val.iport) | 8901 V_FW_FILTER_WR_PORTM(f->fs.mask.iport) | 8902 V_FW_FILTER_WR_MATCHTYPE(f->fs.val.matchtype) | 8903 V_FW_FILTER_WR_MATCHTYPEM(f->fs.mask.matchtype)); 8904 fwr->ptcl = f->fs.val.proto; 8905 fwr->ptclm = f->fs.mask.proto; 8906 fwr->ttyp = f->fs.val.tos; 8907 fwr->ttypm = f->fs.mask.tos; 8908 fwr->ivlan = htobe16(f->fs.val.vlan); 8909 fwr->ivlanm = htobe16(f->fs.mask.vlan); 8910 fwr->ovlan = htobe16(f->fs.val.vnic); 8911 fwr->ovlanm = htobe16(f->fs.mask.vnic); 8912 bcopy(f->fs.val.dip, fwr->lip, sizeof (fwr->lip)); 8913 bcopy(f->fs.mask.dip, fwr->lipm, sizeof (fwr->lipm)); 8914 bcopy(f->fs.val.sip, fwr->fip, sizeof (fwr->fip)); 8915 bcopy(f->fs.mask.sip, fwr->fipm, sizeof (fwr->fipm)); 8916 fwr->lp = htobe16(f->fs.val.dport); 8917 fwr->lpm = htobe16(f->fs.mask.dport); 8918 fwr->fp = htobe16(f->fs.val.sport); 8919 fwr->fpm = htobe16(f->fs.mask.sport); 8920 if (f->fs.newsmac) 8921 bcopy(f->fs.smac, fwr->sma, sizeof (fwr->sma)); 8922 8923 f->pending = 1; 8924 sc->tids.ftids_in_use++; 8925 8926 commit_wrq_wr(&sc->sge.mgmtq, fwr, &cookie); 8927 return (0); 8928 } 8929 8930 static int 8931 del_filter_wr(struct adapter *sc, int fidx) 8932 { 8933 struct filter_entry *f = &sc->tids.ftid_tab[fidx]; 8934 struct fw_filter_wr *fwr; 8935 unsigned int ftid; 8936 struct wrq_cookie cookie; 8937 8938 ftid = sc->tids.ftid_base + fidx; 8939 8940 fwr = start_wrq_wr(&sc->sge.mgmtq, howmany(sizeof(*fwr), 16), &cookie); 8941 if (fwr == NULL) 8942 return (ENOMEM); 8943 bzero(fwr, sizeof (*fwr)); 8944 8945 t4_mk_filtdelwr(ftid, fwr, sc->sge.fwq.abs_id); 8946 8947 f->pending = 1; 8948 commit_wrq_wr(&sc->sge.mgmtq, fwr, &cookie); 8949 return (0); 8950 } 8951 8952 int 8953 t4_filter_rpl(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m) 8954 { 8955 struct adapter *sc = iq->adapter; 8956 const struct cpl_set_tcb_rpl *rpl = (const void *)(rss + 1); 8957 unsigned int idx = GET_TID(rpl); 8958 unsigned int rc; 8959 struct filter_entry *f; 8960 8961 KASSERT(m == NULL, ("%s: payload with opcode %02x", __func__, 8962 rss->opcode)); 8963 MPASS(iq == &sc->sge.fwq); 8964 MPASS(is_ftid(sc, idx)); 8965 8966 idx -= sc->tids.ftid_base; 8967 f = &sc->tids.ftid_tab[idx]; 8968 rc = G_COOKIE(rpl->cookie); 8969 8970 mtx_lock(&sc->tids.ftid_lock); 8971 if (rc == FW_FILTER_WR_FLT_ADDED) { 8972 KASSERT(f->pending, ("%s: filter[%u] isn't pending.", 8973 __func__, idx)); 8974 f->smtidx = (be64toh(rpl->oldval) >> 24) & 0xff; 8975 f->pending = 0; /* asynchronous setup completed */ 8976 f->valid = 1; 8977 } else { 8978 if (rc != FW_FILTER_WR_FLT_DELETED) { 8979 /* Add or delete failed, display an error */ 8980 log(LOG_ERR, 8981 "filter %u setup failed with error %u\n", 8982 idx, rc); 8983 } 8984 8985 clear_filter(f); 8986 sc->tids.ftids_in_use--; 8987 } 8988 wakeup(&sc->tids.ftid_tab); 8989 mtx_unlock(&sc->tids.ftid_lock); 8990 8991 return (0); 8992 } 8993 8994 static int 8995 set_tcb_rpl(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m) 8996 { 8997 8998 MPASS(iq->set_tcb_rpl != NULL); 8999 return (iq->set_tcb_rpl(iq, rss, m)); 9000 } 9001 9002 static int 9003 l2t_write_rpl(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m) 9004 { 9005 9006 MPASS(iq->l2t_write_rpl != NULL); 9007 return (iq->l2t_write_rpl(iq, rss, m)); 9008 } 9009 9010 static int 9011 get_sge_context(struct adapter *sc, struct t4_sge_context *cntxt) 9012 { 9013 int rc; 9014 9015 if (cntxt->cid > M_CTXTQID) 9016 return (EINVAL); 9017 9018 if (cntxt->mem_id != CTXT_EGRESS && cntxt->mem_id != CTXT_INGRESS && 9019 cntxt->mem_id != CTXT_FLM && cntxt->mem_id != CTXT_CNM) 9020 return (EINVAL); 9021 9022 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ctxt"); 9023 if (rc) 9024 return (rc); 9025 9026 if (sc->flags & FW_OK) { 9027 rc = -t4_sge_ctxt_rd(sc, sc->mbox, cntxt->cid, cntxt->mem_id, 9028 &cntxt->data[0]); 9029 if (rc == 0) 9030 goto done; 9031 } 9032 9033 /* 9034 * Read via firmware failed or wasn't even attempted. Read directly via 9035 * the backdoor. 9036 */ 9037 rc = -t4_sge_ctxt_rd_bd(sc, cntxt->cid, cntxt->mem_id, &cntxt->data[0]); 9038 done: 9039 end_synchronized_op(sc, 0); 9040 return (rc); 9041 } 9042 9043 static int 9044 load_fw(struct adapter *sc, struct t4_data *fw) 9045 { 9046 int rc; 9047 uint8_t *fw_data; 9048 9049 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldfw"); 9050 if (rc) 9051 return (rc); 9052 9053 /* 9054 * The firmware, with the sole exception of the memory parity error 9055 * handler, runs from memory and not flash. It is almost always safe to 9056 * install a new firmware on a running system. Just set bit 1 in 9057 * hw.cxgbe.dflags or dev.<nexus>.<n>.dflags first. 9058 */ 9059 if (sc->flags & FULL_INIT_DONE && 9060 (sc->debug_flags & DF_LOAD_FW_ANYTIME) == 0) { 9061 rc = EBUSY; 9062 goto done; 9063 } 9064 9065 fw_data = malloc(fw->len, M_CXGBE, M_WAITOK); 9066 if (fw_data == NULL) { 9067 rc = ENOMEM; 9068 goto done; 9069 } 9070 9071 rc = copyin(fw->data, fw_data, fw->len); 9072 if (rc == 0) 9073 rc = -t4_load_fw(sc, fw_data, fw->len); 9074 9075 free(fw_data, M_CXGBE); 9076 done: 9077 end_synchronized_op(sc, 0); 9078 return (rc); 9079 } 9080 9081 static int 9082 load_cfg(struct adapter *sc, struct t4_data *cfg) 9083 { 9084 int rc; 9085 uint8_t *cfg_data = NULL; 9086 9087 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldcf"); 9088 if (rc) 9089 return (rc); 9090 9091 if (cfg->len == 0) { 9092 /* clear */ 9093 rc = -t4_load_cfg(sc, NULL, 0); 9094 goto done; 9095 } 9096 9097 cfg_data = malloc(cfg->len, M_CXGBE, M_WAITOK); 9098 if (cfg_data == NULL) { 9099 rc = ENOMEM; 9100 goto done; 9101 } 9102 9103 rc = copyin(cfg->data, cfg_data, cfg->len); 9104 if (rc == 0) 9105 rc = -t4_load_cfg(sc, cfg_data, cfg->len); 9106 9107 free(cfg_data, M_CXGBE); 9108 done: 9109 end_synchronized_op(sc, 0); 9110 return (rc); 9111 } 9112 9113 static int 9114 load_boot(struct adapter *sc, struct t4_bootrom *br) 9115 { 9116 int rc; 9117 uint8_t *br_data = NULL; 9118 u_int offset; 9119 9120 if (br->len > 1024 * 1024) 9121 return (EFBIG); 9122 9123 if (br->pf_offset == 0) { 9124 /* pfidx */ 9125 if (br->pfidx_addr > 7) 9126 return (EINVAL); 9127 offset = G_OFFSET(t4_read_reg(sc, PF_REG(br->pfidx_addr, 9128 A_PCIE_PF_EXPROM_OFST))); 9129 } else if (br->pf_offset == 1) { 9130 /* offset */ 9131 offset = G_OFFSET(br->pfidx_addr); 9132 } else { 9133 return (EINVAL); 9134 } 9135 9136 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldbr"); 9137 if (rc) 9138 return (rc); 9139 9140 if (br->len == 0) { 9141 /* clear */ 9142 rc = -t4_load_boot(sc, NULL, offset, 0); 9143 goto done; 9144 } 9145 9146 br_data = malloc(br->len, M_CXGBE, M_WAITOK); 9147 if (br_data == NULL) { 9148 rc = ENOMEM; 9149 goto done; 9150 } 9151 9152 rc = copyin(br->data, br_data, br->len); 9153 if (rc == 0) 9154 rc = -t4_load_boot(sc, br_data, offset, br->len); 9155 9156 free(br_data, M_CXGBE); 9157 done: 9158 end_synchronized_op(sc, 0); 9159 return (rc); 9160 } 9161 9162 static int 9163 load_bootcfg(struct adapter *sc, struct t4_data *bc) 9164 { 9165 int rc; 9166 uint8_t *bc_data = NULL; 9167 9168 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldcf"); 9169 if (rc) 9170 return (rc); 9171 9172 if (bc->len == 0) { 9173 /* clear */ 9174 rc = -t4_load_bootcfg(sc, NULL, 0); 9175 goto done; 9176 } 9177 9178 bc_data = malloc(bc->len, M_CXGBE, M_WAITOK); 9179 if (bc_data == NULL) { 9180 rc = ENOMEM; 9181 goto done; 9182 } 9183 9184 rc = copyin(bc->data, bc_data, bc->len); 9185 if (rc == 0) 9186 rc = -t4_load_bootcfg(sc, bc_data, bc->len); 9187 9188 free(bc_data, M_CXGBE); 9189 done: 9190 end_synchronized_op(sc, 0); 9191 return (rc); 9192 } 9193 9194 static int 9195 cudbg_dump(struct adapter *sc, struct t4_cudbg_dump *dump) 9196 { 9197 int rc; 9198 struct cudbg_init *cudbg; 9199 void *handle, *buf; 9200 9201 /* buf is large, don't block if no memory is available */ 9202 buf = malloc(dump->len, M_CXGBE, M_NOWAIT | M_ZERO); 9203 if (buf == NULL) 9204 return (ENOMEM); 9205 9206 handle = cudbg_alloc_handle(); 9207 if (handle == NULL) { 9208 rc = ENOMEM; 9209 goto done; 9210 } 9211 9212 cudbg = cudbg_get_init(handle); 9213 cudbg->adap = sc; 9214 cudbg->print = (cudbg_print_cb)printf; 9215 9216 #ifndef notyet 9217 device_printf(sc->dev, "%s: wr_flash %u, len %u, data %p.\n", 9218 __func__, dump->wr_flash, dump->len, dump->data); 9219 #endif 9220 9221 if (dump->wr_flash) 9222 cudbg->use_flash = 1; 9223 MPASS(sizeof(cudbg->dbg_bitmap) == sizeof(dump->bitmap)); 9224 memcpy(cudbg->dbg_bitmap, dump->bitmap, sizeof(cudbg->dbg_bitmap)); 9225 9226 rc = cudbg_collect(handle, buf, &dump->len); 9227 if (rc != 0) 9228 goto done; 9229 9230 rc = copyout(buf, dump->data, dump->len); 9231 done: 9232 cudbg_free_handle(handle); 9233 free(buf, M_CXGBE); 9234 return (rc); 9235 } 9236 9237 #define MAX_READ_BUF_SIZE (128 * 1024) 9238 static int 9239 read_card_mem(struct adapter *sc, int win, struct t4_mem_range *mr) 9240 { 9241 uint32_t addr, remaining, n; 9242 uint32_t *buf; 9243 int rc; 9244 uint8_t *dst; 9245 9246 rc = validate_mem_range(sc, mr->addr, mr->len); 9247 if (rc != 0) 9248 return (rc); 9249 9250 buf = malloc(min(mr->len, MAX_READ_BUF_SIZE), M_CXGBE, M_WAITOK); 9251 addr = mr->addr; 9252 remaining = mr->len; 9253 dst = (void *)mr->data; 9254 9255 while (remaining) { 9256 n = min(remaining, MAX_READ_BUF_SIZE); 9257 read_via_memwin(sc, 2, addr, buf, n); 9258 9259 rc = copyout(buf, dst, n); 9260 if (rc != 0) 9261 break; 9262 9263 dst += n; 9264 remaining -= n; 9265 addr += n; 9266 } 9267 9268 free(buf, M_CXGBE); 9269 return (rc); 9270 } 9271 #undef MAX_READ_BUF_SIZE 9272 9273 static int 9274 read_i2c(struct adapter *sc, struct t4_i2c_data *i2cd) 9275 { 9276 int rc; 9277 9278 if (i2cd->len == 0 || i2cd->port_id >= sc->params.nports) 9279 return (EINVAL); 9280 9281 if (i2cd->len > sizeof(i2cd->data)) 9282 return (EFBIG); 9283 9284 rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4i2crd"); 9285 if (rc) 9286 return (rc); 9287 rc = -t4_i2c_rd(sc, sc->mbox, i2cd->port_id, i2cd->dev_addr, 9288 i2cd->offset, i2cd->len, &i2cd->data[0]); 9289 end_synchronized_op(sc, 0); 9290 9291 return (rc); 9292 } 9293 9294 int 9295 t4_os_find_pci_capability(struct adapter *sc, int cap) 9296 { 9297 int i; 9298 9299 return (pci_find_cap(sc->dev, cap, &i) == 0 ? i : 0); 9300 } 9301 9302 int 9303 t4_os_pci_save_state(struct adapter *sc) 9304 { 9305 device_t dev; 9306 struct pci_devinfo *dinfo; 9307 9308 dev = sc->dev; 9309 dinfo = device_get_ivars(dev); 9310 9311 pci_cfg_save(dev, dinfo, 0); 9312 return (0); 9313 } 9314 9315 int 9316 t4_os_pci_restore_state(struct adapter *sc) 9317 { 9318 device_t dev; 9319 struct pci_devinfo *dinfo; 9320 9321 dev = sc->dev; 9322 dinfo = device_get_ivars(dev); 9323 9324 pci_cfg_restore(dev, dinfo); 9325 return (0); 9326 } 9327 9328 void 9329 t4_os_portmod_changed(struct port_info *pi) 9330 { 9331 struct adapter *sc = pi->adapter; 9332 struct vi_info *vi; 9333 struct ifnet *ifp; 9334 static const char *mod_str[] = { 9335 NULL, "LR", "SR", "ER", "TWINAX", "active TWINAX", "LRM" 9336 }; 9337 9338 PORT_LOCK(pi); 9339 build_medialist(pi, &pi->media); 9340 PORT_UNLOCK(pi); 9341 vi = &pi->vi[0]; 9342 if (begin_synchronized_op(sc, vi, HOLD_LOCK, "t4mod") == 0) { 9343 init_l1cfg(pi); 9344 end_synchronized_op(sc, LOCK_HELD); 9345 } 9346 9347 ifp = vi->ifp; 9348 if (pi->mod_type == FW_PORT_MOD_TYPE_NONE) 9349 if_printf(ifp, "transceiver unplugged.\n"); 9350 else if (pi->mod_type == FW_PORT_MOD_TYPE_UNKNOWN) 9351 if_printf(ifp, "unknown transceiver inserted.\n"); 9352 else if (pi->mod_type == FW_PORT_MOD_TYPE_NOTSUPPORTED) 9353 if_printf(ifp, "unsupported transceiver inserted.\n"); 9354 else if (pi->mod_type > 0 && pi->mod_type < nitems(mod_str)) { 9355 if_printf(ifp, "%dGbps %s transceiver inserted.\n", 9356 port_top_speed(pi), mod_str[pi->mod_type]); 9357 } else { 9358 if_printf(ifp, "transceiver (type %d) inserted.\n", 9359 pi->mod_type); 9360 } 9361 } 9362 9363 void 9364 t4_os_link_changed(struct port_info *pi) 9365 { 9366 struct vi_info *vi; 9367 struct ifnet *ifp; 9368 struct link_config *lc; 9369 int v; 9370 9371 for_each_vi(pi, v, vi) { 9372 ifp = vi->ifp; 9373 if (ifp == NULL) 9374 continue; 9375 9376 lc = &pi->link_cfg; 9377 if (lc->link_ok) { 9378 ifp->if_baudrate = IF_Mbps(lc->speed); 9379 if_link_state_change(ifp, LINK_STATE_UP); 9380 } else { 9381 if_link_state_change(ifp, LINK_STATE_DOWN); 9382 } 9383 } 9384 } 9385 9386 void 9387 t4_iterate(void (*func)(struct adapter *, void *), void *arg) 9388 { 9389 struct adapter *sc; 9390 9391 sx_slock(&t4_list_lock); 9392 SLIST_FOREACH(sc, &t4_list, link) { 9393 /* 9394 * func should not make any assumptions about what state sc is 9395 * in - the only guarantee is that sc->sc_lock is a valid lock. 9396 */ 9397 func(sc, arg); 9398 } 9399 sx_sunlock(&t4_list_lock); 9400 } 9401 9402 static int 9403 t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag, 9404 struct thread *td) 9405 { 9406 int rc; 9407 struct adapter *sc = dev->si_drv1; 9408 9409 rc = priv_check(td, PRIV_DRIVER); 9410 if (rc != 0) 9411 return (rc); 9412 9413 switch (cmd) { 9414 case CHELSIO_T4_GETREG: { 9415 struct t4_reg *edata = (struct t4_reg *)data; 9416 9417 if ((edata->addr & 0x3) != 0 || edata->addr >= sc->mmio_len) 9418 return (EFAULT); 9419 9420 if (edata->size == 4) 9421 edata->val = t4_read_reg(sc, edata->addr); 9422 else if (edata->size == 8) 9423 edata->val = t4_read_reg64(sc, edata->addr); 9424 else 9425 return (EINVAL); 9426 9427 break; 9428 } 9429 case CHELSIO_T4_SETREG: { 9430 struct t4_reg *edata = (struct t4_reg *)data; 9431 9432 if ((edata->addr & 0x3) != 0 || edata->addr >= sc->mmio_len) 9433 return (EFAULT); 9434 9435 if (edata->size == 4) { 9436 if (edata->val & 0xffffffff00000000) 9437 return (EINVAL); 9438 t4_write_reg(sc, edata->addr, (uint32_t) edata->val); 9439 } else if (edata->size == 8) 9440 t4_write_reg64(sc, edata->addr, edata->val); 9441 else 9442 return (EINVAL); 9443 break; 9444 } 9445 case CHELSIO_T4_REGDUMP: { 9446 struct t4_regdump *regs = (struct t4_regdump *)data; 9447 int reglen = t4_get_regs_len(sc); 9448 uint8_t *buf; 9449 9450 if (regs->len < reglen) { 9451 regs->len = reglen; /* hint to the caller */ 9452 return (ENOBUFS); 9453 } 9454 9455 regs->len = reglen; 9456 buf = malloc(reglen, M_CXGBE, M_WAITOK | M_ZERO); 9457 get_regs(sc, regs, buf); 9458 rc = copyout(buf, regs->data, reglen); 9459 free(buf, M_CXGBE); 9460 break; 9461 } 9462 case CHELSIO_T4_GET_FILTER_MODE: 9463 rc = get_filter_mode(sc, (uint32_t *)data); 9464 break; 9465 case CHELSIO_T4_SET_FILTER_MODE: 9466 rc = set_filter_mode(sc, *(uint32_t *)data); 9467 break; 9468 case CHELSIO_T4_GET_FILTER: 9469 rc = get_filter(sc, (struct t4_filter *)data); 9470 break; 9471 case CHELSIO_T4_SET_FILTER: 9472 rc = set_filter(sc, (struct t4_filter *)data); 9473 break; 9474 case CHELSIO_T4_DEL_FILTER: 9475 rc = del_filter(sc, (struct t4_filter *)data); 9476 break; 9477 case CHELSIO_T4_GET_SGE_CONTEXT: 9478 rc = get_sge_context(sc, (struct t4_sge_context *)data); 9479 break; 9480 case CHELSIO_T4_LOAD_FW: 9481 rc = load_fw(sc, (struct t4_data *)data); 9482 break; 9483 case CHELSIO_T4_GET_MEM: 9484 rc = read_card_mem(sc, 2, (struct t4_mem_range *)data); 9485 break; 9486 case CHELSIO_T4_GET_I2C: 9487 rc = read_i2c(sc, (struct t4_i2c_data *)data); 9488 break; 9489 case CHELSIO_T4_CLEAR_STATS: { 9490 int i, v; 9491 u_int port_id = *(uint32_t *)data; 9492 struct port_info *pi; 9493 struct vi_info *vi; 9494 9495 if (port_id >= sc->params.nports) 9496 return (EINVAL); 9497 pi = sc->port[port_id]; 9498 if (pi == NULL) 9499 return (EIO); 9500 9501 /* MAC stats */ 9502 t4_clr_port_stats(sc, pi->tx_chan); 9503 pi->tx_parse_error = 0; 9504 mtx_lock(&sc->reg_lock); 9505 for_each_vi(pi, v, vi) { 9506 if (vi->flags & VI_INIT_DONE) 9507 t4_clr_vi_stats(sc, vi->viid); 9508 } 9509 mtx_unlock(&sc->reg_lock); 9510 9511 /* 9512 * Since this command accepts a port, clear stats for 9513 * all VIs on this port. 9514 */ 9515 for_each_vi(pi, v, vi) { 9516 if (vi->flags & VI_INIT_DONE) { 9517 struct sge_rxq *rxq; 9518 struct sge_txq *txq; 9519 struct sge_wrq *wrq; 9520 9521 for_each_rxq(vi, i, rxq) { 9522 #if defined(INET) || defined(INET6) 9523 rxq->lro.lro_queued = 0; 9524 rxq->lro.lro_flushed = 0; 9525 #endif 9526 rxq->rxcsum = 0; 9527 rxq->vlan_extraction = 0; 9528 } 9529 9530 for_each_txq(vi, i, txq) { 9531 txq->txcsum = 0; 9532 txq->tso_wrs = 0; 9533 txq->vlan_insertion = 0; 9534 txq->imm_wrs = 0; 9535 txq->sgl_wrs = 0; 9536 txq->txpkt_wrs = 0; 9537 txq->txpkts0_wrs = 0; 9538 txq->txpkts1_wrs = 0; 9539 txq->txpkts0_pkts = 0; 9540 txq->txpkts1_pkts = 0; 9541 mp_ring_reset_stats(txq->r); 9542 } 9543 9544 #ifdef TCP_OFFLOAD 9545 /* nothing to clear for each ofld_rxq */ 9546 9547 for_each_ofld_txq(vi, i, wrq) { 9548 wrq->tx_wrs_direct = 0; 9549 wrq->tx_wrs_copied = 0; 9550 } 9551 #endif 9552 9553 if (IS_MAIN_VI(vi)) { 9554 wrq = &sc->sge.ctrlq[pi->port_id]; 9555 wrq->tx_wrs_direct = 0; 9556 wrq->tx_wrs_copied = 0; 9557 } 9558 } 9559 } 9560 break; 9561 } 9562 case CHELSIO_T4_SCHED_CLASS: 9563 rc = t4_set_sched_class(sc, (struct t4_sched_params *)data); 9564 break; 9565 case CHELSIO_T4_SCHED_QUEUE: 9566 rc = t4_set_sched_queue(sc, (struct t4_sched_queue *)data); 9567 break; 9568 case CHELSIO_T4_GET_TRACER: 9569 rc = t4_get_tracer(sc, (struct t4_tracer *)data); 9570 break; 9571 case CHELSIO_T4_SET_TRACER: 9572 rc = t4_set_tracer(sc, (struct t4_tracer *)data); 9573 break; 9574 case CHELSIO_T4_LOAD_CFG: 9575 rc = load_cfg(sc, (struct t4_data *)data); 9576 break; 9577 case CHELSIO_T4_LOAD_BOOT: 9578 rc = load_boot(sc, (struct t4_bootrom *)data); 9579 break; 9580 case CHELSIO_T4_LOAD_BOOTCFG: 9581 rc = load_bootcfg(sc, (struct t4_data *)data); 9582 break; 9583 case CHELSIO_T4_CUDBG_DUMP: 9584 rc = cudbg_dump(sc, (struct t4_cudbg_dump *)data); 9585 break; 9586 default: 9587 rc = ENOTTY; 9588 } 9589 9590 return (rc); 9591 } 9592 9593 void 9594 t4_db_full(struct adapter *sc) 9595 { 9596 9597 CXGBE_UNIMPLEMENTED(__func__); 9598 } 9599 9600 void 9601 t4_db_dropped(struct adapter *sc) 9602 { 9603 9604 CXGBE_UNIMPLEMENTED(__func__); 9605 } 9606 9607 #ifdef TCP_OFFLOAD 9608 static int 9609 toe_capability(struct vi_info *vi, int enable) 9610 { 9611 int rc; 9612 struct port_info *pi = vi->pi; 9613 struct adapter *sc = pi->adapter; 9614 9615 ASSERT_SYNCHRONIZED_OP(sc); 9616 9617 if (!is_offload(sc)) 9618 return (ENODEV); 9619 9620 if (enable) { 9621 if ((vi->ifp->if_capenable & IFCAP_TOE) != 0) { 9622 /* TOE is already enabled. */ 9623 return (0); 9624 } 9625 9626 /* 9627 * We need the port's queues around so that we're able to send 9628 * and receive CPLs to/from the TOE even if the ifnet for this 9629 * port has never been UP'd administratively. 9630 */ 9631 if (!(vi->flags & VI_INIT_DONE)) { 9632 rc = vi_full_init(vi); 9633 if (rc) 9634 return (rc); 9635 } 9636 if (!(pi->vi[0].flags & VI_INIT_DONE)) { 9637 rc = vi_full_init(&pi->vi[0]); 9638 if (rc) 9639 return (rc); 9640 } 9641 9642 if (isset(&sc->offload_map, pi->port_id)) { 9643 /* TOE is enabled on another VI of this port. */ 9644 pi->uld_vis++; 9645 return (0); 9646 } 9647 9648 if (!uld_active(sc, ULD_TOM)) { 9649 rc = t4_activate_uld(sc, ULD_TOM); 9650 if (rc == EAGAIN) { 9651 log(LOG_WARNING, 9652 "You must kldload t4_tom.ko before trying " 9653 "to enable TOE on a cxgbe interface.\n"); 9654 } 9655 if (rc != 0) 9656 return (rc); 9657 KASSERT(sc->tom_softc != NULL, 9658 ("%s: TOM activated but softc NULL", __func__)); 9659 KASSERT(uld_active(sc, ULD_TOM), 9660 ("%s: TOM activated but flag not set", __func__)); 9661 } 9662 9663 /* Activate iWARP and iSCSI too, if the modules are loaded. */ 9664 if (!uld_active(sc, ULD_IWARP)) 9665 (void) t4_activate_uld(sc, ULD_IWARP); 9666 if (!uld_active(sc, ULD_ISCSI)) 9667 (void) t4_activate_uld(sc, ULD_ISCSI); 9668 9669 pi->uld_vis++; 9670 setbit(&sc->offload_map, pi->port_id); 9671 } else { 9672 pi->uld_vis--; 9673 9674 if (!isset(&sc->offload_map, pi->port_id) || pi->uld_vis > 0) 9675 return (0); 9676 9677 KASSERT(uld_active(sc, ULD_TOM), 9678 ("%s: TOM never initialized?", __func__)); 9679 clrbit(&sc->offload_map, pi->port_id); 9680 } 9681 9682 return (0); 9683 } 9684 9685 /* 9686 * Add an upper layer driver to the global list. 9687 */ 9688 int 9689 t4_register_uld(struct uld_info *ui) 9690 { 9691 int rc = 0; 9692 struct uld_info *u; 9693 9694 sx_xlock(&t4_uld_list_lock); 9695 SLIST_FOREACH(u, &t4_uld_list, link) { 9696 if (u->uld_id == ui->uld_id) { 9697 rc = EEXIST; 9698 goto done; 9699 } 9700 } 9701 9702 SLIST_INSERT_HEAD(&t4_uld_list, ui, link); 9703 ui->refcount = 0; 9704 done: 9705 sx_xunlock(&t4_uld_list_lock); 9706 return (rc); 9707 } 9708 9709 int 9710 t4_unregister_uld(struct uld_info *ui) 9711 { 9712 int rc = EINVAL; 9713 struct uld_info *u; 9714 9715 sx_xlock(&t4_uld_list_lock); 9716 9717 SLIST_FOREACH(u, &t4_uld_list, link) { 9718 if (u == ui) { 9719 if (ui->refcount > 0) { 9720 rc = EBUSY; 9721 goto done; 9722 } 9723 9724 SLIST_REMOVE(&t4_uld_list, ui, uld_info, link); 9725 rc = 0; 9726 goto done; 9727 } 9728 } 9729 done: 9730 sx_xunlock(&t4_uld_list_lock); 9731 return (rc); 9732 } 9733 9734 int 9735 t4_activate_uld(struct adapter *sc, int id) 9736 { 9737 int rc; 9738 struct uld_info *ui; 9739 9740 ASSERT_SYNCHRONIZED_OP(sc); 9741 9742 if (id < 0 || id > ULD_MAX) 9743 return (EINVAL); 9744 rc = EAGAIN; /* kldoad the module with this ULD and try again. */ 9745 9746 sx_slock(&t4_uld_list_lock); 9747 9748 SLIST_FOREACH(ui, &t4_uld_list, link) { 9749 if (ui->uld_id == id) { 9750 if (!(sc->flags & FULL_INIT_DONE)) { 9751 rc = adapter_full_init(sc); 9752 if (rc != 0) 9753 break; 9754 } 9755 9756 rc = ui->activate(sc); 9757 if (rc == 0) { 9758 setbit(&sc->active_ulds, id); 9759 ui->refcount++; 9760 } 9761 break; 9762 } 9763 } 9764 9765 sx_sunlock(&t4_uld_list_lock); 9766 9767 return (rc); 9768 } 9769 9770 int 9771 t4_deactivate_uld(struct adapter *sc, int id) 9772 { 9773 int rc; 9774 struct uld_info *ui; 9775 9776 ASSERT_SYNCHRONIZED_OP(sc); 9777 9778 if (id < 0 || id > ULD_MAX) 9779 return (EINVAL); 9780 rc = ENXIO; 9781 9782 sx_slock(&t4_uld_list_lock); 9783 9784 SLIST_FOREACH(ui, &t4_uld_list, link) { 9785 if (ui->uld_id == id) { 9786 rc = ui->deactivate(sc); 9787 if (rc == 0) { 9788 clrbit(&sc->active_ulds, id); 9789 ui->refcount--; 9790 } 9791 break; 9792 } 9793 } 9794 9795 sx_sunlock(&t4_uld_list_lock); 9796 9797 return (rc); 9798 } 9799 9800 int 9801 uld_active(struct adapter *sc, int uld_id) 9802 { 9803 9804 MPASS(uld_id >= 0 && uld_id <= ULD_MAX); 9805 9806 return (isset(&sc->active_ulds, uld_id)); 9807 } 9808 #endif 9809 9810 /* 9811 * t = ptr to tunable. 9812 * nc = number of CPUs. 9813 * c = compiled in default for that tunable. 9814 */ 9815 static void 9816 calculate_nqueues(int *t, int nc, const int c) 9817 { 9818 int nq; 9819 9820 if (*t > 0) 9821 return; 9822 nq = *t < 0 ? -*t : c; 9823 *t = min(nc, nq); 9824 } 9825 9826 /* 9827 * Come up with reasonable defaults for some of the tunables, provided they're 9828 * not set by the user (in which case we'll use the values as is). 9829 */ 9830 static void 9831 tweak_tunables(void) 9832 { 9833 int nc = mp_ncpus; /* our snapshot of the number of CPUs */ 9834 9835 if (t4_ntxq < 1) { 9836 #ifdef RSS 9837 t4_ntxq = rss_getnumbuckets(); 9838 #else 9839 calculate_nqueues(&t4_ntxq, nc, NTXQ); 9840 #endif 9841 } 9842 9843 calculate_nqueues(&t4_ntxq_vi, nc, NTXQ_VI); 9844 9845 if (t4_nrxq < 1) { 9846 #ifdef RSS 9847 t4_nrxq = rss_getnumbuckets(); 9848 #else 9849 calculate_nqueues(&t4_nrxq, nc, NRXQ); 9850 #endif 9851 } 9852 9853 calculate_nqueues(&t4_nrxq_vi, nc, NRXQ_VI); 9854 9855 #ifdef TCP_OFFLOAD 9856 calculate_nqueues(&t4_nofldtxq, nc, NOFLDTXQ); 9857 calculate_nqueues(&t4_nofldtxq_vi, nc, NOFLDTXQ_VI); 9858 calculate_nqueues(&t4_nofldrxq, nc, NOFLDRXQ); 9859 calculate_nqueues(&t4_nofldrxq_vi, nc, NOFLDRXQ_VI); 9860 9861 if (t4_toecaps_allowed == -1) 9862 t4_toecaps_allowed = FW_CAPS_CONFIG_TOE; 9863 9864 if (t4_rdmacaps_allowed == -1) { 9865 t4_rdmacaps_allowed = FW_CAPS_CONFIG_RDMA_RDDP | 9866 FW_CAPS_CONFIG_RDMA_RDMAC; 9867 } 9868 9869 if (t4_iscsicaps_allowed == -1) { 9870 t4_iscsicaps_allowed = FW_CAPS_CONFIG_ISCSI_INITIATOR_PDU | 9871 FW_CAPS_CONFIG_ISCSI_TARGET_PDU | 9872 FW_CAPS_CONFIG_ISCSI_T10DIF; 9873 } 9874 9875 if (t4_tmr_idx_ofld < 0 || t4_tmr_idx_ofld >= SGE_NTIMERS) 9876 t4_tmr_idx_ofld = TMR_IDX_OFLD; 9877 9878 if (t4_pktc_idx_ofld < -1 || t4_pktc_idx_ofld >= SGE_NCOUNTERS) 9879 t4_pktc_idx_ofld = PKTC_IDX_OFLD; 9880 #else 9881 if (t4_toecaps_allowed == -1) 9882 t4_toecaps_allowed = 0; 9883 9884 if (t4_rdmacaps_allowed == -1) 9885 t4_rdmacaps_allowed = 0; 9886 9887 if (t4_iscsicaps_allowed == -1) 9888 t4_iscsicaps_allowed = 0; 9889 #endif 9890 9891 #ifdef DEV_NETMAP 9892 calculate_nqueues(&t4_nnmtxq_vi, nc, NNMTXQ_VI); 9893 calculate_nqueues(&t4_nnmrxq_vi, nc, NNMRXQ_VI); 9894 #endif 9895 9896 if (t4_tmr_idx < 0 || t4_tmr_idx >= SGE_NTIMERS) 9897 t4_tmr_idx = TMR_IDX; 9898 9899 if (t4_pktc_idx < -1 || t4_pktc_idx >= SGE_NCOUNTERS) 9900 t4_pktc_idx = PKTC_IDX; 9901 9902 if (t4_qsize_txq < 128) 9903 t4_qsize_txq = 128; 9904 9905 if (t4_qsize_rxq < 128) 9906 t4_qsize_rxq = 128; 9907 while (t4_qsize_rxq & 7) 9908 t4_qsize_rxq++; 9909 9910 t4_intr_types &= INTR_MSIX | INTR_MSI | INTR_INTX; 9911 9912 /* 9913 * Number of VIs to create per-port. The first VI is the "main" regular 9914 * VI for the port. The rest are additional virtual interfaces on the 9915 * same physical port. Note that the main VI does not have native 9916 * netmap support but the extra VIs do. 9917 * 9918 * Limit the number of VIs per port to the number of available 9919 * MAC addresses per port. 9920 */ 9921 if (t4_num_vis < 1) 9922 t4_num_vis = 1; 9923 if (t4_num_vis > nitems(vi_mac_funcs)) { 9924 t4_num_vis = nitems(vi_mac_funcs); 9925 printf("cxgbe: number of VIs limited to %d\n", t4_num_vis); 9926 } 9927 } 9928 9929 #ifdef DDB 9930 static void 9931 t4_dump_tcb(struct adapter *sc, int tid) 9932 { 9933 uint32_t base, i, j, off, pf, reg, save, tcb_addr, win_pos; 9934 9935 reg = PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 2); 9936 save = t4_read_reg(sc, reg); 9937 base = sc->memwin[2].mw_base; 9938 9939 /* Dump TCB for the tid */ 9940 tcb_addr = t4_read_reg(sc, A_TP_CMM_TCB_BASE); 9941 tcb_addr += tid * TCB_SIZE; 9942 9943 if (is_t4(sc)) { 9944 pf = 0; 9945 win_pos = tcb_addr & ~0xf; /* start must be 16B aligned */ 9946 } else { 9947 pf = V_PFNUM(sc->pf); 9948 win_pos = tcb_addr & ~0x7f; /* start must be 128B aligned */ 9949 } 9950 t4_write_reg(sc, reg, win_pos | pf); 9951 t4_read_reg(sc, reg); 9952 9953 off = tcb_addr - win_pos; 9954 for (i = 0; i < 4; i++) { 9955 uint32_t buf[8]; 9956 for (j = 0; j < 8; j++, off += 4) 9957 buf[j] = htonl(t4_read_reg(sc, base + off)); 9958 9959 db_printf("%08x %08x %08x %08x %08x %08x %08x %08x\n", 9960 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], 9961 buf[7]); 9962 } 9963 9964 t4_write_reg(sc, reg, save); 9965 t4_read_reg(sc, reg); 9966 } 9967 9968 static void 9969 t4_dump_devlog(struct adapter *sc) 9970 { 9971 struct devlog_params *dparams = &sc->params.devlog; 9972 struct fw_devlog_e e; 9973 int i, first, j, m, nentries, rc; 9974 uint64_t ftstamp = UINT64_MAX; 9975 9976 if (dparams->start == 0) { 9977 db_printf("devlog params not valid\n"); 9978 return; 9979 } 9980 9981 nentries = dparams->size / sizeof(struct fw_devlog_e); 9982 m = fwmtype_to_hwmtype(dparams->memtype); 9983 9984 /* Find the first entry. */ 9985 first = -1; 9986 for (i = 0; i < nentries && !db_pager_quit; i++) { 9987 rc = -t4_mem_read(sc, m, dparams->start + i * sizeof(e), 9988 sizeof(e), (void *)&e); 9989 if (rc != 0) 9990 break; 9991 9992 if (e.timestamp == 0) 9993 break; 9994 9995 e.timestamp = be64toh(e.timestamp); 9996 if (e.timestamp < ftstamp) { 9997 ftstamp = e.timestamp; 9998 first = i; 9999 } 10000 } 10001 10002 if (first == -1) 10003 return; 10004 10005 i = first; 10006 do { 10007 rc = -t4_mem_read(sc, m, dparams->start + i * sizeof(e), 10008 sizeof(e), (void *)&e); 10009 if (rc != 0) 10010 return; 10011 10012 if (e.timestamp == 0) 10013 return; 10014 10015 e.timestamp = be64toh(e.timestamp); 10016 e.seqno = be32toh(e.seqno); 10017 for (j = 0; j < 8; j++) 10018 e.params[j] = be32toh(e.params[j]); 10019 10020 db_printf("%10d %15ju %8s %8s ", 10021 e.seqno, e.timestamp, 10022 (e.level < nitems(devlog_level_strings) ? 10023 devlog_level_strings[e.level] : "UNKNOWN"), 10024 (e.facility < nitems(devlog_facility_strings) ? 10025 devlog_facility_strings[e.facility] : "UNKNOWN")); 10026 db_printf(e.fmt, e.params[0], e.params[1], e.params[2], 10027 e.params[3], e.params[4], e.params[5], e.params[6], 10028 e.params[7]); 10029 10030 if (++i == nentries) 10031 i = 0; 10032 } while (i != first && !db_pager_quit); 10033 } 10034 10035 static struct command_table db_t4_table = LIST_HEAD_INITIALIZER(db_t4_table); 10036 _DB_SET(_show, t4, NULL, db_show_table, 0, &db_t4_table); 10037 10038 DB_FUNC(devlog, db_show_devlog, db_t4_table, CS_OWN, NULL) 10039 { 10040 device_t dev; 10041 int t; 10042 bool valid; 10043 10044 valid = false; 10045 t = db_read_token(); 10046 if (t == tIDENT) { 10047 dev = device_lookup_by_name(db_tok_string); 10048 valid = true; 10049 } 10050 db_skip_to_eol(); 10051 if (!valid) { 10052 db_printf("usage: show t4 devlog <nexus>\n"); 10053 return; 10054 } 10055 10056 if (dev == NULL) { 10057 db_printf("device not found\n"); 10058 return; 10059 } 10060 10061 t4_dump_devlog(device_get_softc(dev)); 10062 } 10063 10064 DB_FUNC(tcb, db_show_t4tcb, db_t4_table, CS_OWN, NULL) 10065 { 10066 device_t dev; 10067 int radix, tid, t; 10068 bool valid; 10069 10070 valid = false; 10071 radix = db_radix; 10072 db_radix = 10; 10073 t = db_read_token(); 10074 if (t == tIDENT) { 10075 dev = device_lookup_by_name(db_tok_string); 10076 t = db_read_token(); 10077 if (t == tNUMBER) { 10078 tid = db_tok_number; 10079 valid = true; 10080 } 10081 } 10082 db_radix = radix; 10083 db_skip_to_eol(); 10084 if (!valid) { 10085 db_printf("usage: show t4 tcb <nexus> <tid>\n"); 10086 return; 10087 } 10088 10089 if (dev == NULL) { 10090 db_printf("device not found\n"); 10091 return; 10092 } 10093 if (tid < 0) { 10094 db_printf("invalid tid\n"); 10095 return; 10096 } 10097 10098 t4_dump_tcb(device_get_softc(dev), tid); 10099 } 10100 #endif 10101 10102 static struct sx mlu; /* mod load unload */ 10103 SX_SYSINIT(cxgbe_mlu, &mlu, "cxgbe mod load/unload"); 10104 10105 static int 10106 mod_event(module_t mod, int cmd, void *arg) 10107 { 10108 int rc = 0; 10109 static int loaded = 0; 10110 10111 switch (cmd) { 10112 case MOD_LOAD: 10113 sx_xlock(&mlu); 10114 if (loaded++ == 0) { 10115 t4_sge_modload(); 10116 t4_register_cpl_handler(CPL_SET_TCB_RPL, set_tcb_rpl); 10117 t4_register_cpl_handler(CPL_L2T_WRITE_RPL, l2t_write_rpl); 10118 t4_register_cpl_handler(CPL_TRACE_PKT, t4_trace_pkt); 10119 t4_register_cpl_handler(CPL_T5_TRACE_PKT, t5_trace_pkt); 10120 sx_init(&t4_list_lock, "T4/T5 adapters"); 10121 SLIST_INIT(&t4_list); 10122 #ifdef TCP_OFFLOAD 10123 sx_init(&t4_uld_list_lock, "T4/T5 ULDs"); 10124 SLIST_INIT(&t4_uld_list); 10125 #endif 10126 t4_tracer_modload(); 10127 tweak_tunables(); 10128 } 10129 sx_xunlock(&mlu); 10130 break; 10131 10132 case MOD_UNLOAD: 10133 sx_xlock(&mlu); 10134 if (--loaded == 0) { 10135 int tries; 10136 10137 sx_slock(&t4_list_lock); 10138 if (!SLIST_EMPTY(&t4_list)) { 10139 rc = EBUSY; 10140 sx_sunlock(&t4_list_lock); 10141 goto done_unload; 10142 } 10143 #ifdef TCP_OFFLOAD 10144 sx_slock(&t4_uld_list_lock); 10145 if (!SLIST_EMPTY(&t4_uld_list)) { 10146 rc = EBUSY; 10147 sx_sunlock(&t4_uld_list_lock); 10148 sx_sunlock(&t4_list_lock); 10149 goto done_unload; 10150 } 10151 #endif 10152 tries = 0; 10153 while (tries++ < 5 && t4_sge_extfree_refs() != 0) { 10154 uprintf("%ju clusters with custom free routine " 10155 "still is use.\n", t4_sge_extfree_refs()); 10156 pause("t4unload", 2 * hz); 10157 } 10158 #ifdef TCP_OFFLOAD 10159 sx_sunlock(&t4_uld_list_lock); 10160 #endif 10161 sx_sunlock(&t4_list_lock); 10162 10163 if (t4_sge_extfree_refs() == 0) { 10164 t4_tracer_modunload(); 10165 #ifdef TCP_OFFLOAD 10166 sx_destroy(&t4_uld_list_lock); 10167 #endif 10168 sx_destroy(&t4_list_lock); 10169 t4_sge_modunload(); 10170 loaded = 0; 10171 } else { 10172 rc = EBUSY; 10173 loaded++; /* undo earlier decrement */ 10174 } 10175 } 10176 done_unload: 10177 sx_xunlock(&mlu); 10178 break; 10179 } 10180 10181 return (rc); 10182 } 10183 10184 static devclass_t t4_devclass, t5_devclass, t6_devclass; 10185 static devclass_t cxgbe_devclass, cxl_devclass, cc_devclass; 10186 static devclass_t vcxgbe_devclass, vcxl_devclass, vcc_devclass; 10187 10188 DRIVER_MODULE(t4nex, pci, t4_driver, t4_devclass, mod_event, 0); 10189 MODULE_VERSION(t4nex, 1); 10190 MODULE_DEPEND(t4nex, firmware, 1, 1, 1); 10191 #ifdef DEV_NETMAP 10192 MODULE_DEPEND(t4nex, netmap, 1, 1, 1); 10193 #endif /* DEV_NETMAP */ 10194 10195 DRIVER_MODULE(t5nex, pci, t5_driver, t5_devclass, mod_event, 0); 10196 MODULE_VERSION(t5nex, 1); 10197 MODULE_DEPEND(t5nex, firmware, 1, 1, 1); 10198 #ifdef DEV_NETMAP 10199 MODULE_DEPEND(t5nex, netmap, 1, 1, 1); 10200 #endif /* DEV_NETMAP */ 10201 10202 DRIVER_MODULE(t6nex, pci, t6_driver, t6_devclass, mod_event, 0); 10203 MODULE_VERSION(t6nex, 1); 10204 MODULE_DEPEND(t6nex, firmware, 1, 1, 1); 10205 #ifdef DEV_NETMAP 10206 MODULE_DEPEND(t6nex, netmap, 1, 1, 1); 10207 #endif /* DEV_NETMAP */ 10208 10209 DRIVER_MODULE(cxgbe, t4nex, cxgbe_driver, cxgbe_devclass, 0, 0); 10210 MODULE_VERSION(cxgbe, 1); 10211 10212 DRIVER_MODULE(cxl, t5nex, cxl_driver, cxl_devclass, 0, 0); 10213 MODULE_VERSION(cxl, 1); 10214 10215 DRIVER_MODULE(cc, t6nex, cc_driver, cc_devclass, 0, 0); 10216 MODULE_VERSION(cc, 1); 10217 10218 DRIVER_MODULE(vcxgbe, cxgbe, vcxgbe_driver, vcxgbe_devclass, 0, 0); 10219 MODULE_VERSION(vcxgbe, 1); 10220 10221 DRIVER_MODULE(vcxl, cxl, vcxl_driver, vcxl_devclass, 0, 0); 10222 MODULE_VERSION(vcxl, 1); 10223 10224 DRIVER_MODULE(vcc, cc, vcc_driver, vcc_devclass, 0, 0); 10225 MODULE_VERSION(vcc, 1); 10226