1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2011 Chelsio Communications, Inc. 5 * All rights reserved. 6 * Written by: Navdeep Parhar <np@FreeBSD.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 * 31 */ 32 33 #ifndef __T4_ADAPTER_H__ 34 #define __T4_ADAPTER_H__ 35 36 #include <sys/kernel.h> 37 #include <sys/bus.h> 38 #include <sys/counter.h> 39 #include <sys/rman.h> 40 #include <sys/types.h> 41 #include <sys/lock.h> 42 #include <sys/malloc.h> 43 #include <sys/rwlock.h> 44 #include <sys/seqc.h> 45 #include <sys/sx.h> 46 #include <sys/vmem.h> 47 #include <vm/uma.h> 48 49 #include <dev/pci/pcivar.h> 50 #include <dev/pci/pcireg.h> 51 #include <machine/bus.h> 52 #include <sys/socket.h> 53 #include <sys/sysctl.h> 54 #include <sys/taskqueue.h> 55 #include <net/ethernet.h> 56 #include <net/if.h> 57 #include <net/if_var.h> 58 #include <net/if_media.h> 59 #include <net/pfil.h> 60 #include <netinet/in.h> 61 #include <netinet/tcp_lro.h> 62 63 #include "offload.h" 64 #include "t4_ioctl.h" 65 #include "common/t4_msg.h" 66 #include "firmware/t4fw_interface.h" 67 68 #define KTR_CXGBE KTR_SPARE3 69 MALLOC_DECLARE(M_CXGBE); 70 #define CXGBE_UNIMPLEMENTED(s) \ 71 panic("%s (%s, line %d) not implemented yet.", s, __FILE__, __LINE__) 72 73 /* 74 * Same as LIST_HEAD from queue.h. This is to avoid conflict with LinuxKPI's 75 * LIST_HEAD when building iw_cxgbe. 76 */ 77 #define CXGBE_LIST_HEAD(name, type) \ 78 struct name { \ 79 struct type *lh_first; /* first element */ \ 80 } 81 82 #ifndef SYSCTL_ADD_UQUAD 83 #define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD 84 #define sysctl_handle_64 sysctl_handle_quad 85 #define CTLTYPE_U64 CTLTYPE_QUAD 86 #endif 87 88 SYSCTL_DECL(_hw_cxgbe); 89 90 struct adapter; 91 typedef struct adapter adapter_t; 92 93 enum { 94 /* 95 * All ingress queues use this entry size. Note that the firmware event 96 * queue and any iq expecting CPL_RX_PKT in the descriptor needs this to 97 * be at least 64. 98 */ 99 IQ_ESIZE = 64, 100 101 /* Default queue sizes for all kinds of ingress queues */ 102 FW_IQ_QSIZE = 256, 103 RX_IQ_QSIZE = 1024, 104 105 /* All egress queues use this entry size */ 106 EQ_ESIZE = 64, 107 108 /* Default queue sizes for all kinds of egress queues */ 109 CTRL_EQ_QSIZE = 1024, 110 TX_EQ_QSIZE = 1024, 111 112 SW_ZONE_SIZES = 4, /* cluster, jumbop, jumbo9k, jumbo16k */ 113 CL_METADATA_SIZE = CACHE_LINE_SIZE, 114 115 SGE_MAX_WR_NDESC = SGE_MAX_WR_LEN / EQ_ESIZE, /* max WR size in desc */ 116 TX_SGL_SEGS = 39, 117 TX_SGL_SEGS_TSO = 38, 118 TX_SGL_SEGS_VM = 38, 119 TX_SGL_SEGS_VM_TSO = 37, 120 TX_SGL_SEGS_EO_TSO = 30, /* XXX: lower for IPv6. */ 121 TX_SGL_SEGS_VXLAN_TSO = 37, 122 TX_WR_FLITS = SGE_MAX_WR_LEN / 8 123 }; 124 125 enum { 126 /* adapter intr_type */ 127 INTR_INTX = (1 << 0), 128 INTR_MSI = (1 << 1), 129 INTR_MSIX = (1 << 2) 130 }; 131 132 enum { 133 XGMAC_MTU = (1 << 0), 134 XGMAC_PROMISC = (1 << 1), 135 XGMAC_ALLMULTI = (1 << 2), 136 XGMAC_VLANEX = (1 << 3), 137 XGMAC_UCADDR = (1 << 4), 138 XGMAC_MCADDRS = (1 << 5), 139 140 XGMAC_ALL = 0xffff 141 }; 142 143 enum { 144 /* flags understood by begin_synchronized_op */ 145 HOLD_LOCK = (1 << 0), 146 SLEEP_OK = (1 << 1), 147 INTR_OK = (1 << 2), 148 149 /* flags understood by end_synchronized_op */ 150 LOCK_HELD = HOLD_LOCK, 151 }; 152 153 enum { 154 /* adapter flags. synch_op or adapter_lock. */ 155 FULL_INIT_DONE = (1 << 0), 156 FW_OK = (1 << 1), 157 CHK_MBOX_ACCESS = (1 << 2), 158 MASTER_PF = (1 << 3), 159 BUF_PACKING_OK = (1 << 6), 160 IS_VF = (1 << 7), 161 KERN_TLS_ON = (1 << 8), /* HW is configured for KERN_TLS */ 162 CXGBE_BUSY = (1 << 9), 163 164 /* adapter error_flags. reg_lock for HW_OFF_LIMITS, atomics for the rest. */ 165 ADAP_STOPPED = (1 << 0), /* Adapter has been stopped. */ 166 ADAP_FATAL_ERR = (1 << 1), /* Encountered a fatal error. */ 167 HW_OFF_LIMITS = (1 << 2), /* off limits to all except reset_thread */ 168 ADAP_CIM_ERR = (1 << 3), /* Error was related to FW/CIM. */ 169 170 /* port flags */ 171 HAS_TRACEQ = (1 << 3), 172 FIXED_IFMEDIA = (1 << 4), /* ifmedia list doesn't change. */ 173 174 /* VI flags */ 175 DOOMED = (1 << 0), 176 VI_INIT_DONE = (1 << 1), 177 /* 1 << 2 is unused, was VI_SYSCTL_CTX */ 178 TX_USES_VM_WR = (1 << 3), 179 VI_SKIP_STATS = (1 << 4), 180 181 /* adapter debug_flags */ 182 DF_DUMP_MBOX = (1 << 0), /* Log all mbox cmd/rpl. */ 183 DF_LOAD_FW_ANYTIME = (1 << 1), /* Allow LOAD_FW after init */ 184 DF_DISABLE_TCB_CACHE = (1 << 2), /* Disable TCB cache (T6+) */ 185 DF_DISABLE_CFG_RETRY = (1 << 3), /* Disable fallback config */ 186 DF_VERBOSE_SLOWINTR = (1 << 4), /* Chatty slow intr handler */ 187 }; 188 189 #define IS_DOOMED(vi) ((vi)->flags & DOOMED) 190 #define SET_DOOMED(vi) do {(vi)->flags |= DOOMED;} while (0) 191 #define IS_BUSY(sc) ((sc)->flags & CXGBE_BUSY) 192 #define SET_BUSY(sc) do {(sc)->flags |= CXGBE_BUSY;} while (0) 193 #define CLR_BUSY(sc) do {(sc)->flags &= ~CXGBE_BUSY;} while (0) 194 195 struct vi_info { 196 device_t dev; 197 struct port_info *pi; 198 struct adapter *adapter; 199 200 if_t ifp; 201 struct pfil_head *pfil; 202 203 unsigned long flags; 204 int if_flags; 205 206 uint16_t *rss, *nm_rss; 207 uint16_t viid; /* opaque VI identifier */ 208 uint16_t smt_idx; 209 uint16_t vin; 210 uint8_t vfvld; 211 int16_t xact_addr_filt;/* index of exact MAC address filter */ 212 uint16_t rss_size; /* size of VI's RSS table slice */ 213 uint16_t rss_base; /* start of VI's RSS table slice */ 214 int hashen; 215 216 int nintr; 217 int first_intr; 218 219 /* These need to be int as they are used in sysctl */ 220 int ntxq; /* # of tx queues */ 221 int first_txq; /* index of first tx queue */ 222 int rsrv_noflowq; /* Reserve queue 0 for non-flowid packets */ 223 int nrxq; /* # of rx queues */ 224 int first_rxq; /* index of first rx queue */ 225 int nofldtxq; /* # of offload tx queues */ 226 int first_ofld_txq; /* index of first offload tx queue */ 227 int nofldrxq; /* # of offload rx queues */ 228 int first_ofld_rxq; /* index of first offload rx queue */ 229 int nnmtxq; 230 int first_nm_txq; 231 int nnmrxq; 232 int first_nm_rxq; 233 int tmr_idx; 234 int ofld_tmr_idx; 235 int pktc_idx; 236 int ofld_pktc_idx; 237 int qsize_rxq; 238 int qsize_txq; 239 240 struct timeval last_refreshed; 241 struct fw_vi_stats_vf stats; 242 struct mtx tick_mtx; 243 struct callout tick; 244 245 struct sysctl_ctx_list ctx; 246 struct sysctl_oid *rxq_oid; 247 struct sysctl_oid *txq_oid; 248 struct sysctl_oid *nm_rxq_oid; 249 struct sysctl_oid *nm_txq_oid; 250 struct sysctl_oid *ofld_rxq_oid; 251 struct sysctl_oid *ofld_txq_oid; 252 253 uint8_t hw_addr[ETHER_ADDR_LEN]; /* factory MAC address, won't change */ 254 u_int txq_rr; 255 u_int rxq_rr; 256 }; 257 258 struct tx_ch_rl_params { 259 enum fw_sched_params_rate ratemode; /* %port (REL) or kbps (ABS) */ 260 uint32_t maxrate; 261 }; 262 263 /* CLRL state */ 264 enum clrl_state { 265 CS_UNINITIALIZED = 0, 266 CS_PARAMS_SET, /* sw parameters have been set. */ 267 CS_HW_UPDATE_REQUESTED, /* async HW update requested. */ 268 CS_HW_UPDATE_IN_PROGRESS, /* sync hw update in progress. */ 269 CS_HW_CONFIGURED /* configured in the hardware. */ 270 }; 271 272 /* CLRL flags */ 273 enum { 274 CF_USER = (1 << 0), /* was configured by driver ioctl. */ 275 }; 276 277 struct tx_cl_rl_params { 278 enum clrl_state state; 279 int refcount; 280 uint8_t flags; 281 enum fw_sched_params_rate ratemode; /* %port REL or ABS value */ 282 enum fw_sched_params_unit rateunit; /* kbps or pps (when ABS) */ 283 enum fw_sched_params_mode mode; /* aggr or per-flow */ 284 uint32_t maxrate; 285 uint16_t pktsize; 286 uint16_t burstsize; 287 }; 288 289 /* Tx scheduler parameters for a channel/port */ 290 struct tx_sched_params { 291 /* Channel Rate Limiter */ 292 struct tx_ch_rl_params ch_rl; 293 294 /* Class WRR */ 295 /* XXX */ 296 297 /* Class Rate Limiter (including the default pktsize and burstsize). */ 298 int pktsize; 299 int burstsize; 300 struct tx_cl_rl_params cl_rl[]; 301 }; 302 303 struct port_info { 304 device_t dev; 305 struct adapter *adapter; 306 307 struct vi_info *vi; 308 int nvi; 309 int up_vis; 310 int uld_vis; 311 bool vxlan_tcam_entry; 312 313 struct tx_sched_params *sched_params; 314 315 struct mtx pi_lock; 316 char lockname[16]; 317 unsigned long flags; 318 319 uint8_t lport; /* associated offload logical port */ 320 int8_t mdio_addr; 321 uint8_t port_type; 322 uint8_t mod_type; 323 uint8_t port_id; 324 uint8_t tx_chan; 325 uint8_t mps_bg_map; /* rx MPS buffer group bitmap */ 326 uint8_t rx_e_chan_map; /* rx TP e-channel bitmap */ 327 uint8_t rx_c_chan; /* rx TP c-channel */ 328 329 struct link_config link_cfg; 330 struct ifmedia media; 331 332 struct port_stats stats; 333 u_int tnl_cong_drops; 334 u_int tx_parse_error; 335 int fcs_reg; 336 uint64_t fcs_base; 337 338 struct sysctl_ctx_list ctx; 339 }; 340 341 #define IS_MAIN_VI(vi) ((vi) == &((vi)->pi->vi[0])) 342 343 struct cluster_metadata { 344 uma_zone_t zone; 345 caddr_t cl; 346 u_int refcount; 347 }; 348 349 struct fl_sdesc { 350 caddr_t cl; 351 uint16_t nmbuf; /* # of driver originated mbufs with ref on cluster */ 352 int16_t moff; /* offset of metadata from cl */ 353 uint8_t zidx; 354 }; 355 356 struct tx_desc { 357 __be64 flit[8]; 358 }; 359 360 struct tx_sdesc { 361 struct mbuf *m; /* m_nextpkt linked chain of frames */ 362 uint8_t desc_used; /* # of hardware descriptors used by the WR */ 363 }; 364 365 366 #define IQ_PAD (IQ_ESIZE - sizeof(struct rsp_ctrl) - sizeof(struct rss_header)) 367 struct iq_desc { 368 struct rss_header rss; 369 uint8_t cpl[IQ_PAD]; 370 struct rsp_ctrl rsp; 371 }; 372 #undef IQ_PAD 373 CTASSERT(sizeof(struct iq_desc) == IQ_ESIZE); 374 375 enum { 376 /* iq type */ 377 IQ_OTHER = FW_IQ_IQTYPE_OTHER, 378 IQ_ETH = FW_IQ_IQTYPE_NIC, 379 IQ_OFLD = FW_IQ_IQTYPE_OFLD, 380 381 /* iq flags */ 382 IQ_SW_ALLOCATED = (1 << 0), /* sw resources allocated */ 383 IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */ 384 IQ_RX_TIMESTAMP = (1 << 2), /* provide the SGE rx timestamp */ 385 IQ_LRO_ENABLED = (1 << 3), /* iq is an eth rxq with LRO enabled */ 386 IQ_ADJ_CREDIT = (1 << 4), /* hw is off by 1 credit for this iq */ 387 IQ_HW_ALLOCATED = (1 << 5), /* fw/hw resources allocated */ 388 389 /* iq state */ 390 IQS_DISABLED = 0, 391 IQS_BUSY = 1, 392 IQS_IDLE = 2, 393 394 /* netmap related flags */ 395 NM_OFF = 0, 396 NM_ON = 1, 397 NM_BUSY = 2, 398 }; 399 400 enum { 401 CPL_COOKIE_RESERVED = 0, 402 CPL_COOKIE_FILTER, 403 CPL_COOKIE_DDP0, 404 CPL_COOKIE_DDP1, 405 CPL_COOKIE_TOM, 406 CPL_COOKIE_HASHFILTER, 407 CPL_COOKIE_ETHOFLD, 408 CPL_COOKIE_KERN_TLS, 409 410 NUM_CPL_COOKIES = 8 /* Limited by M_COOKIE. Do not increase. */ 411 }; 412 413 struct sge_iq; 414 struct rss_header; 415 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *, 416 struct mbuf *); 417 typedef int (*an_handler_t)(struct sge_iq *, const struct rsp_ctrl *); 418 typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *); 419 420 /* 421 * Ingress Queue: T4 is producer, driver is consumer. 422 */ 423 struct sge_iq { 424 uint16_t flags; 425 uint8_t qtype; 426 volatile int state; 427 struct adapter *adapter; 428 struct iq_desc *desc; /* KVA of descriptor ring */ 429 int8_t intr_pktc_idx; /* packet count threshold index */ 430 uint8_t gen; /* generation bit */ 431 uint8_t intr_params; /* interrupt holdoff parameters */ 432 int8_t cong_drop; /* congestion drop settings for the queue */ 433 uint16_t qsize; /* size (# of entries) of the queue */ 434 uint16_t sidx; /* index of the entry with the status page */ 435 uint16_t cidx; /* consumer index */ 436 uint16_t cntxt_id; /* SGE context id for the iq */ 437 uint16_t abs_id; /* absolute SGE id for the iq */ 438 int16_t intr_idx; /* interrupt used by the queue */ 439 440 STAILQ_ENTRY(sge_iq) link; 441 442 bus_dma_tag_t desc_tag; 443 bus_dmamap_t desc_map; 444 bus_addr_t ba; /* bus address of descriptor ring */ 445 }; 446 447 enum { 448 /* eq type */ 449 EQ_CTRL = 1, 450 EQ_ETH = 2, 451 EQ_OFLD = 3, 452 453 /* eq flags */ 454 EQ_SW_ALLOCATED = (1 << 0), /* sw resources allocated */ 455 EQ_HW_ALLOCATED = (1 << 1), /* hw/fw resources allocated */ 456 EQ_ENABLED = (1 << 3), /* open for business */ 457 EQ_QFLUSH = (1 << 4), /* if_qflush in progress */ 458 }; 459 460 /* Listed in order of preference. Update t4_sysctls too if you change these */ 461 enum {DOORBELL_UDB, DOORBELL_WCWR, DOORBELL_UDBWC, DOORBELL_KDB}; 462 463 /* 464 * Egress Queue: driver is producer, T4 is consumer. 465 * 466 * Note: A free list is an egress queue (driver produces the buffers and T4 467 * consumes them) but it's special enough to have its own struct (see sge_fl). 468 */ 469 struct sge_eq { 470 unsigned int flags; /* MUST be first */ 471 unsigned int cntxt_id; /* SGE context id for the eq */ 472 unsigned int abs_id; /* absolute SGE id for the eq */ 473 uint8_t type; /* EQ_CTRL/EQ_ETH/EQ_OFLD */ 474 uint8_t doorbells; 475 uint8_t tx_chan; /* tx channel used by the eq */ 476 struct mtx eq_lock; 477 478 struct tx_desc *desc; /* KVA of descriptor ring */ 479 volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */ 480 u_int udb_qid; /* relative qid within the doorbell page */ 481 uint16_t sidx; /* index of the entry with the status page */ 482 uint16_t cidx; /* consumer idx (desc idx) */ 483 uint16_t pidx; /* producer idx (desc idx) */ 484 uint16_t equeqidx; /* EQUEQ last requested at this pidx */ 485 uint16_t dbidx; /* pidx of the most recent doorbell */ 486 uint16_t iqid; /* cached iq->cntxt_id (see iq below) */ 487 volatile u_int equiq; /* EQUIQ outstanding */ 488 struct sge_iq *iq; /* iq that receives egr_update for the eq */ 489 490 bus_dma_tag_t desc_tag; 491 bus_dmamap_t desc_map; 492 bus_addr_t ba; /* bus address of descriptor ring */ 493 char lockname[16]; 494 }; 495 496 struct rx_buf_info { 497 uma_zone_t zone; /* zone that this cluster comes from */ 498 uint16_t size1; /* same as size of cluster: 2K/4K/9K/16K. 499 * hwsize[hwidx1] = size1. No spare. */ 500 uint16_t size2; /* hwsize[hwidx2] = size2. 501 * spare in cluster = size1 - size2. */ 502 int8_t hwidx1; /* SGE bufsize idx for size1 */ 503 int8_t hwidx2; /* SGE bufsize idx for size2 */ 504 uint8_t type; /* EXT_xxx type of the cluster */ 505 }; 506 507 enum { 508 NUM_MEMWIN = 3, 509 510 MEMWIN0_APERTURE = 2048, 511 MEMWIN0_BASE = 0x1b800, 512 513 MEMWIN1_APERTURE = 32768, 514 MEMWIN1_BASE = 0x28000, 515 516 MEMWIN2_APERTURE_T4 = 65536, 517 MEMWIN2_BASE_T4 = 0x30000, 518 519 MEMWIN2_APERTURE_T5 = 128 * 1024, 520 MEMWIN2_BASE_T5 = 0x60000, 521 }; 522 523 struct memwin { 524 struct rwlock mw_lock __aligned(CACHE_LINE_SIZE); 525 uint32_t mw_base; /* constant after setup_memwin */ 526 uint32_t mw_aperture; /* ditto */ 527 uint32_t mw_curpos; /* protected by mw_lock */ 528 }; 529 530 enum { 531 FL_STARVING = (1 << 0), /* on the adapter's list of starving fl's */ 532 FL_DOOMED = (1 << 1), /* about to be destroyed */ 533 FL_BUF_PACKING = (1 << 2), /* buffer packing enabled */ 534 FL_BUF_RESUME = (1 << 3), /* resume from the middle of the frame */ 535 }; 536 537 #define FL_RUNNING_LOW(fl) \ 538 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) <= fl->lowat) 539 #define FL_NOT_RUNNING_LOW(fl) \ 540 (IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) >= 2 * fl->lowat) 541 542 struct sge_fl { 543 struct mtx fl_lock; 544 __be64 *desc; /* KVA of descriptor ring, ptr to addresses */ 545 struct fl_sdesc *sdesc; /* KVA of software descriptor ring */ 546 uint16_t zidx; /* refill zone idx */ 547 uint16_t safe_zidx; 548 uint16_t lowat; /* # of buffers <= this means fl needs help */ 549 int flags; 550 uint16_t buf_boundary; 551 552 /* The 16b idx all deal with hw descriptors */ 553 uint16_t dbidx; /* hw pidx after last doorbell */ 554 uint16_t sidx; /* index of status page */ 555 volatile uint16_t hw_cidx; 556 557 /* The 32b idx are all buffer idx, not hardware descriptor idx */ 558 uint32_t cidx; /* consumer index */ 559 uint32_t pidx; /* producer index */ 560 561 uint32_t dbval; 562 u_int rx_offset; /* offset in fl buf (when buffer packing) */ 563 volatile uint32_t *udb; 564 565 uint64_t cl_allocated; /* # of clusters allocated */ 566 uint64_t cl_recycled; /* # of clusters recycled */ 567 uint64_t cl_fast_recycled; /* # of clusters recycled (fast) */ 568 569 /* These 3 are valid when FL_BUF_RESUME is set, stale otherwise. */ 570 struct mbuf *m0; 571 struct mbuf **pnext; 572 u_int remaining; 573 574 uint16_t qsize; /* # of hw descriptors (status page included) */ 575 uint16_t cntxt_id; /* SGE context id for the freelist */ 576 TAILQ_ENTRY(sge_fl) link; /* All starving freelists */ 577 bus_dma_tag_t desc_tag; 578 bus_dmamap_t desc_map; 579 char lockname[16]; 580 bus_addr_t ba; /* bus address of descriptor ring */ 581 }; 582 583 struct mp_ring; 584 585 struct txpkts { 586 uint8_t wr_type; /* type 0 or type 1 */ 587 uint8_t npkt; /* # of packets in this work request */ 588 uint8_t len16; /* # of 16B pieces used by this work request */ 589 uint8_t score; 590 uint8_t max_npkt; /* maximum number of packets allowed */ 591 uint16_t plen; /* total payload (sum of all packets) */ 592 593 /* straight from fw_eth_tx_pkts_vm_wr. */ 594 __u8 ethmacdst[6]; 595 __u8 ethmacsrc[6]; 596 __be16 ethtype; 597 __be16 vlantci; 598 599 struct mbuf *mb[15]; 600 }; 601 602 /* txq: SGE egress queue + what's needed for Ethernet NIC */ 603 struct sge_txq { 604 struct sge_eq eq; /* MUST be first */ 605 606 if_t ifp; /* the interface this txq belongs to */ 607 struct mp_ring *r; /* tx software ring */ 608 struct tx_sdesc *sdesc; /* KVA of software descriptor ring */ 609 struct sglist *gl; 610 __be32 cpl_ctrl0; /* for convenience */ 611 int tc_idx; /* traffic class */ 612 uint64_t last_tx; /* cycle count when eth_tx was last called */ 613 struct txpkts txp; 614 615 struct task tx_reclaim_task; 616 /* stats for common events first */ 617 618 uint64_t txcsum; /* # of times hardware assisted with checksum */ 619 uint64_t tso_wrs; /* # of TSO work requests */ 620 uint64_t vlan_insertion;/* # of times VLAN tag was inserted */ 621 uint64_t imm_wrs; /* # of work requests with immediate data */ 622 uint64_t sgl_wrs; /* # of work requests with direct SGL */ 623 uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */ 624 uint64_t txpkts0_wrs; /* # of type0 coalesced tx work requests */ 625 uint64_t txpkts1_wrs; /* # of type1 coalesced tx work requests */ 626 uint64_t txpkts0_pkts; /* # of frames in type0 coalesced tx WRs */ 627 uint64_t txpkts1_pkts; /* # of frames in type1 coalesced tx WRs */ 628 uint64_t txpkts_flush; /* # of times txp had to be sent by tx_update */ 629 uint64_t raw_wrs; /* # of raw work requests (alloc_wr_mbuf) */ 630 uint64_t vxlan_tso_wrs; /* # of VXLAN TSO work requests */ 631 uint64_t vxlan_txcsum; 632 633 uint64_t kern_tls_records; 634 uint64_t kern_tls_short; 635 uint64_t kern_tls_partial; 636 uint64_t kern_tls_full; 637 uint64_t kern_tls_octets; 638 uint64_t kern_tls_waste; 639 uint64_t kern_tls_options; 640 uint64_t kern_tls_header; 641 uint64_t kern_tls_fin; 642 uint64_t kern_tls_fin_short; 643 uint64_t kern_tls_cbc; 644 uint64_t kern_tls_gcm; 645 646 /* stats for not-that-common events */ 647 648 /* Optional scratch space for constructing work requests. */ 649 uint8_t ss[SGE_MAX_WR_LEN] __aligned(16); 650 } __aligned(CACHE_LINE_SIZE); 651 652 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */ 653 struct sge_rxq { 654 struct sge_iq iq; /* MUST be first */ 655 struct sge_fl fl; /* MUST follow iq */ 656 657 if_t ifp; /* the interface this rxq belongs to */ 658 struct lro_ctrl lro; /* LRO state */ 659 660 /* stats for common events first */ 661 662 uint64_t rxcsum; /* # of times hardware assisted with checksum */ 663 uint64_t vlan_extraction;/* # of times VLAN tag was extracted */ 664 uint64_t vxlan_rxcsum; 665 666 /* stats for not-that-common events */ 667 668 } __aligned(CACHE_LINE_SIZE); 669 670 static inline struct sge_rxq * 671 iq_to_rxq(struct sge_iq *iq) 672 { 673 674 return (__containerof(iq, struct sge_rxq, iq)); 675 } 676 677 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */ 678 struct sge_ofld_rxq { 679 struct sge_iq iq; /* MUST be first */ 680 struct sge_fl fl; /* MUST follow iq */ 681 counter_u64_t rx_iscsi_ddp_setup_ok; 682 counter_u64_t rx_iscsi_ddp_setup_error; 683 uint64_t rx_iscsi_ddp_pdus; 684 uint64_t rx_iscsi_ddp_octets; 685 uint64_t rx_iscsi_fl_pdus; 686 uint64_t rx_iscsi_fl_octets; 687 uint64_t rx_iscsi_padding_errors; 688 uint64_t rx_iscsi_header_digest_errors; 689 uint64_t rx_iscsi_data_digest_errors; 690 u_long rx_toe_tls_records; 691 u_long rx_toe_tls_octets; 692 } __aligned(CACHE_LINE_SIZE); 693 694 static inline struct sge_ofld_rxq * 695 iq_to_ofld_rxq(struct sge_iq *iq) 696 { 697 698 return (__containerof(iq, struct sge_ofld_rxq, iq)); 699 } 700 701 struct wrqe { 702 STAILQ_ENTRY(wrqe) link; 703 struct sge_wrq *wrq; 704 int wr_len; 705 char wr[] __aligned(16); 706 }; 707 708 struct wrq_cookie { 709 TAILQ_ENTRY(wrq_cookie) link; 710 int ndesc; 711 int pidx; 712 }; 713 714 /* 715 * wrq: SGE egress queue that is given prebuilt work requests. Control queues 716 * are of this type. 717 */ 718 struct sge_wrq { 719 struct sge_eq eq; /* MUST be first */ 720 721 struct adapter *adapter; 722 struct task wrq_tx_task; 723 724 /* Tx desc reserved but WR not "committed" yet. */ 725 TAILQ_HEAD(wrq_incomplete_wrs , wrq_cookie) incomplete_wrs; 726 727 /* List of WRs ready to go out as soon as descriptors are available. */ 728 STAILQ_HEAD(, wrqe) wr_list; 729 u_int nwr_pending; 730 u_int ndesc_needed; 731 732 /* stats for common events first */ 733 734 uint64_t tx_wrs_direct; /* # of WRs written directly to desc ring. */ 735 uint64_t tx_wrs_ss; /* # of WRs copied from scratch space. */ 736 uint64_t tx_wrs_copied; /* # of WRs queued and copied to desc ring. */ 737 738 /* stats for not-that-common events */ 739 740 /* 741 * Scratch space for work requests that wrap around after reaching the 742 * status page, and some information about the last WR that used it. 743 */ 744 uint16_t ss_pidx; 745 uint16_t ss_len; 746 uint8_t ss[SGE_MAX_WR_LEN]; 747 748 } __aligned(CACHE_LINE_SIZE); 749 750 /* ofld_txq: SGE egress queue + miscellaneous items */ 751 struct sge_ofld_txq { 752 struct sge_wrq wrq; 753 counter_u64_t tx_iscsi_pdus; 754 counter_u64_t tx_iscsi_octets; 755 counter_u64_t tx_iscsi_iso_wrs; 756 counter_u64_t tx_toe_tls_records; 757 counter_u64_t tx_toe_tls_octets; 758 } __aligned(CACHE_LINE_SIZE); 759 760 #define INVALID_NM_RXQ_CNTXT_ID ((uint16_t)(-1)) 761 struct sge_nm_rxq { 762 /* Items used by the driver rx ithread are in this cacheline. */ 763 volatile int nm_state __aligned(CACHE_LINE_SIZE); /* NM_OFF, NM_ON, or NM_BUSY */ 764 u_int nid; /* netmap ring # for this queue */ 765 struct vi_info *vi; 766 767 struct iq_desc *iq_desc; 768 uint16_t iq_abs_id; 769 uint16_t iq_cntxt_id; 770 uint16_t iq_cidx; 771 uint16_t iq_sidx; 772 uint8_t iq_gen; 773 uint32_t fl_sidx; 774 775 /* Items used by netmap rxsync are in this cacheline. */ 776 __be64 *fl_desc __aligned(CACHE_LINE_SIZE); 777 uint16_t fl_cntxt_id; 778 uint32_t fl_pidx; 779 uint32_t fl_sidx2; /* copy of fl_sidx */ 780 uint32_t fl_db_val; 781 u_int fl_db_saved; 782 u_int fl_db_threshold; /* in descriptors */ 783 u_int fl_hwidx:4; 784 785 /* 786 * fl_cidx is used by both the ithread and rxsync, the rest are not used 787 * in the rx fast path. 788 */ 789 uint32_t fl_cidx __aligned(CACHE_LINE_SIZE); 790 791 bus_dma_tag_t iq_desc_tag; 792 bus_dmamap_t iq_desc_map; 793 bus_addr_t iq_ba; 794 int intr_idx; 795 796 bus_dma_tag_t fl_desc_tag; 797 bus_dmamap_t fl_desc_map; 798 bus_addr_t fl_ba; 799 }; 800 801 #define INVALID_NM_TXQ_CNTXT_ID ((u_int)(-1)) 802 struct sge_nm_txq { 803 struct tx_desc *desc; 804 uint16_t cidx; 805 uint16_t pidx; 806 uint16_t sidx; 807 uint16_t equiqidx; /* EQUIQ last requested at this pidx */ 808 uint16_t equeqidx; /* EQUEQ last requested at this pidx */ 809 uint16_t dbidx; /* pidx of the most recent doorbell */ 810 uint8_t doorbells; 811 volatile uint32_t *udb; 812 u_int udb_qid; 813 u_int cntxt_id; 814 __be32 cpl_ctrl0; /* for convenience */ 815 __be32 op_pkd; /* ditto */ 816 u_int nid; /* netmap ring # for this queue */ 817 818 /* infrequently used items after this */ 819 820 bus_dma_tag_t desc_tag; 821 bus_dmamap_t desc_map; 822 bus_addr_t ba; 823 int iqidx; 824 } __aligned(CACHE_LINE_SIZE); 825 826 struct sge { 827 int nrxq; /* total # of Ethernet rx queues */ 828 int ntxq; /* total # of Ethernet tx queues */ 829 int nofldrxq; /* total # of TOE rx queues */ 830 int nofldtxq; /* total # of TOE tx queues */ 831 int nnmrxq; /* total # of netmap rx queues */ 832 int nnmtxq; /* total # of netmap tx queues */ 833 int niq; /* total # of ingress queues */ 834 int neq; /* total # of egress queues */ 835 836 struct sge_iq fwq; /* Firmware event queue */ 837 struct sge_wrq *ctrlq; /* Control queues */ 838 struct sge_txq *txq; /* NIC tx queues */ 839 struct sge_rxq *rxq; /* NIC rx queues */ 840 struct sge_ofld_txq *ofld_txq; /* TOE tx queues */ 841 struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */ 842 struct sge_nm_txq *nm_txq; /* netmap tx queues */ 843 struct sge_nm_rxq *nm_rxq; /* netmap rx queues */ 844 845 uint16_t iq_start; /* first cntxt_id */ 846 uint16_t iq_base; /* first abs_id */ 847 int eq_start; /* first cntxt_id */ 848 int eq_base; /* first abs_id */ 849 int iqmap_sz; 850 int eqmap_sz; 851 struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */ 852 struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */ 853 854 int8_t safe_zidx; 855 struct rx_buf_info rx_buf_info[SW_ZONE_SIZES]; 856 }; 857 858 struct devnames { 859 const char *nexus_name; 860 const char *ifnet_name; 861 const char *vi_ifnet_name; 862 const char *pf03_drv_name; 863 const char *vf_nexus_name; 864 const char *vf_ifnet_name; 865 }; 866 867 struct clip_entry; 868 869 #define CNT_CAL_INFO 3 870 struct clock_sync { 871 uint64_t hw_cur; 872 uint64_t hw_prev; 873 sbintime_t sbt_cur; 874 sbintime_t sbt_prev; 875 seqc_t gen; 876 }; 877 878 struct adapter { 879 SLIST_ENTRY(adapter) link; 880 device_t dev; 881 struct cdev *cdev; 882 const struct devnames *names; 883 884 /* PCIe register resources */ 885 int regs_rid; 886 struct resource *regs_res; 887 int msix_rid; 888 struct resource *msix_res; 889 bus_space_handle_t bh; 890 bus_space_tag_t bt; 891 bus_size_t mmio_len; 892 int udbs_rid; 893 struct resource *udbs_res; 894 volatile uint8_t *udbs_base; 895 896 unsigned int pf; 897 unsigned int mbox; 898 unsigned int vpd_busy; 899 unsigned int vpd_flag; 900 901 /* Interrupt information */ 902 int intr_type; 903 int intr_count; 904 struct irq { 905 struct resource *res; 906 int rid; 907 void *tag; 908 struct sge_rxq *rxq; 909 struct sge_nm_rxq *nm_rxq; 910 } __aligned(CACHE_LINE_SIZE) *irq; 911 int sge_gts_reg; 912 int sge_kdoorbell_reg; 913 914 bus_dma_tag_t dmat; /* Parent DMA tag */ 915 916 struct sge sge; 917 int lro_timeout; 918 int sc_do_rxcopy; 919 920 int vxlan_port; 921 u_int vxlan_refcount; 922 int rawf_base; 923 int nrawf; 924 925 struct taskqueue *tq[MAX_NCHAN]; /* General purpose taskqueues */ 926 struct port_info *port[MAX_NPORTS]; 927 uint8_t chan_map[MAX_NCHAN]; /* channel -> port */ 928 929 CXGBE_LIST_HEAD(, clip_entry) *clip_table; 930 TAILQ_HEAD(, clip_entry) clip_pending; /* these need hw update. */ 931 u_long clip_mask; 932 int clip_gen; 933 struct timeout_task clip_task; 934 935 void *tom_softc; /* (struct tom_data *) */ 936 struct tom_tunables tt; 937 struct t4_offload_policy *policy; 938 struct rwlock policy_lock; 939 940 void *iwarp_softc; /* (struct c4iw_dev *) */ 941 struct iw_tunables iwt; 942 void *iscsi_ulp_softc; /* (struct cxgbei_data *) */ 943 struct l2t_data *l2t; /* L2 table */ 944 struct smt_data *smt; /* Source MAC Table */ 945 struct tid_info tids; 946 vmem_t *key_map; 947 struct tls_tunables tlst; 948 949 uint8_t doorbells; 950 int offload_map; /* port_id's with IFCAP_TOE enabled */ 951 int bt_map; /* tx_chan's with BASE-T */ 952 int active_ulds; /* ULDs activated on this adapter */ 953 int flags; 954 int debug_flags; 955 int error_flags; /* Used by error handler and live reset. */ 956 957 char ifp_lockname[16]; 958 struct mtx ifp_lock; 959 if_t ifp; /* tracer ifp */ 960 struct ifmedia media; 961 int traceq; /* iq used by all tracers, -1 if none */ 962 int tracer_valid; /* bitmap of valid tracers */ 963 int tracer_enabled; /* bitmap of enabled tracers */ 964 965 char fw_version[16]; 966 char tp_version[16]; 967 char er_version[16]; 968 char bs_version[16]; 969 char cfg_file[32]; 970 u_int cfcsum; 971 struct adapter_params params; 972 const struct chip_params *chip_params; 973 struct t4_virt_res vres; 974 975 uint16_t nbmcaps; 976 uint16_t linkcaps; 977 uint16_t switchcaps; 978 uint16_t niccaps; 979 uint16_t toecaps; 980 uint16_t rdmacaps; 981 uint16_t cryptocaps; 982 uint16_t iscsicaps; 983 uint16_t fcoecaps; 984 985 struct sysctl_ctx_list ctx; 986 struct sysctl_oid *ctrlq_oid; 987 struct sysctl_oid *fwq_oid; 988 989 struct mtx sc_lock; 990 char lockname[16]; 991 992 /* Starving free lists */ 993 struct mtx sfl_lock; /* same cache-line as sc_lock? but that's ok */ 994 TAILQ_HEAD(, sge_fl) sfl; 995 struct callout sfl_callout; 996 struct callout cal_callout; 997 struct clock_sync cal_info[CNT_CAL_INFO]; 998 int cal_current; 999 int cal_count; 1000 uint32_t cal_gen; 1001 1002 /* 1003 * Driver code that can run when the adapter is suspended must use this 1004 * lock or a synchronized_op and check for HW_OFF_LIMITS before 1005 * accessing hardware. 1006 * 1007 * XXX: could be changed to rwlock. wlock in suspend/resume and for 1008 * indirect register access, rlock everywhere else. 1009 */ 1010 struct mtx reg_lock; 1011 1012 struct memwin memwin[NUM_MEMWIN]; /* memory windows */ 1013 1014 struct mtx tc_lock; 1015 struct task tc_task; 1016 1017 struct task fatal_error_task; 1018 struct task reset_task; 1019 const void *reset_thread; 1020 int num_resets; 1021 int incarnation; 1022 1023 const char *last_op; 1024 const void *last_op_thr; 1025 int last_op_flags; 1026 1027 int swintr; 1028 int sensor_resets; 1029 1030 struct callout ktls_tick; 1031 }; 1032 1033 #define ADAPTER_LOCK(sc) mtx_lock(&(sc)->sc_lock) 1034 #define ADAPTER_UNLOCK(sc) mtx_unlock(&(sc)->sc_lock) 1035 #define ADAPTER_LOCK_ASSERT_OWNED(sc) mtx_assert(&(sc)->sc_lock, MA_OWNED) 1036 #define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) mtx_assert(&(sc)->sc_lock, MA_NOTOWNED) 1037 1038 #define ASSERT_SYNCHRONIZED_OP(sc) \ 1039 KASSERT(IS_BUSY(sc) && \ 1040 (mtx_owned(&(sc)->sc_lock) || sc->last_op_thr == curthread), \ 1041 ("%s: operation not synchronized.", __func__)) 1042 1043 #define PORT_LOCK(pi) mtx_lock(&(pi)->pi_lock) 1044 #define PORT_UNLOCK(pi) mtx_unlock(&(pi)->pi_lock) 1045 #define PORT_LOCK_ASSERT_OWNED(pi) mtx_assert(&(pi)->pi_lock, MA_OWNED) 1046 #define PORT_LOCK_ASSERT_NOTOWNED(pi) mtx_assert(&(pi)->pi_lock, MA_NOTOWNED) 1047 1048 #define FL_LOCK(fl) mtx_lock(&(fl)->fl_lock) 1049 #define FL_TRYLOCK(fl) mtx_trylock(&(fl)->fl_lock) 1050 #define FL_UNLOCK(fl) mtx_unlock(&(fl)->fl_lock) 1051 #define FL_LOCK_ASSERT_OWNED(fl) mtx_assert(&(fl)->fl_lock, MA_OWNED) 1052 #define FL_LOCK_ASSERT_NOTOWNED(fl) mtx_assert(&(fl)->fl_lock, MA_NOTOWNED) 1053 1054 #define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl) 1055 #define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl) 1056 #define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl) 1057 #define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl) 1058 1059 #define EQ_LOCK(eq) mtx_lock(&(eq)->eq_lock) 1060 #define EQ_TRYLOCK(eq) mtx_trylock(&(eq)->eq_lock) 1061 #define EQ_UNLOCK(eq) mtx_unlock(&(eq)->eq_lock) 1062 #define EQ_LOCK_ASSERT_OWNED(eq) mtx_assert(&(eq)->eq_lock, MA_OWNED) 1063 #define EQ_LOCK_ASSERT_NOTOWNED(eq) mtx_assert(&(eq)->eq_lock, MA_NOTOWNED) 1064 1065 #define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq) 1066 #define TXQ_TRYLOCK(txq) EQ_TRYLOCK(&(txq)->eq) 1067 #define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq) 1068 #define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq) 1069 #define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq) 1070 1071 #define for_each_txq(vi, iter, q) \ 1072 for (q = &vi->adapter->sge.txq[vi->first_txq], iter = 0; \ 1073 iter < vi->ntxq; ++iter, ++q) 1074 #define for_each_rxq(vi, iter, q) \ 1075 for (q = &vi->adapter->sge.rxq[vi->first_rxq], iter = 0; \ 1076 iter < vi->nrxq; ++iter, ++q) 1077 #define for_each_ofld_txq(vi, iter, q) \ 1078 for (q = &vi->adapter->sge.ofld_txq[vi->first_ofld_txq], iter = 0; \ 1079 iter < vi->nofldtxq; ++iter, ++q) 1080 #define for_each_ofld_rxq(vi, iter, q) \ 1081 for (q = &vi->adapter->sge.ofld_rxq[vi->first_ofld_rxq], iter = 0; \ 1082 iter < vi->nofldrxq; ++iter, ++q) 1083 #define for_each_nm_txq(vi, iter, q) \ 1084 for (q = &vi->adapter->sge.nm_txq[vi->first_nm_txq], iter = 0; \ 1085 iter < vi->nnmtxq; ++iter, ++q) 1086 #define for_each_nm_rxq(vi, iter, q) \ 1087 for (q = &vi->adapter->sge.nm_rxq[vi->first_nm_rxq], iter = 0; \ 1088 iter < vi->nnmrxq; ++iter, ++q) 1089 #define for_each_vi(_pi, _iter, _vi) \ 1090 for ((_vi) = (_pi)->vi, (_iter) = 0; (_iter) < (_pi)->nvi; \ 1091 ++(_iter), ++(_vi)) 1092 1093 #define IDXINCR(idx, incr, wrap) do { \ 1094 idx = wrap - idx > incr ? idx + incr : incr - (wrap - idx); \ 1095 } while (0) 1096 #define IDXDIFF(head, tail, wrap) \ 1097 ((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head)) 1098 1099 /* One for errors, one for firmware events */ 1100 #define T4_EXTRA_INTR 2 1101 1102 /* One for firmware events */ 1103 #define T4VF_EXTRA_INTR 1 1104 1105 static inline int 1106 forwarding_intr_to_fwq(struct adapter *sc) 1107 { 1108 1109 return (sc->intr_count == 1); 1110 } 1111 1112 /* Works reliably inside a sync_op or with reg_lock held. */ 1113 static inline bool 1114 hw_off_limits(struct adapter *sc) 1115 { 1116 int off_limits = atomic_load_int(&sc->error_flags) & HW_OFF_LIMITS; 1117 1118 return (__predict_false(off_limits != 0)); 1119 } 1120 1121 static inline int 1122 mbuf_nsegs(struct mbuf *m) 1123 { 1124 M_ASSERTPKTHDR(m); 1125 KASSERT(m->m_pkthdr.inner_l5hlen > 0, 1126 ("%s: mbuf %p missing information on # of segments.", __func__, m)); 1127 1128 return (m->m_pkthdr.inner_l5hlen); 1129 } 1130 1131 static inline void 1132 set_mbuf_nsegs(struct mbuf *m, uint8_t nsegs) 1133 { 1134 M_ASSERTPKTHDR(m); 1135 m->m_pkthdr.inner_l5hlen = nsegs; 1136 } 1137 1138 /* Internal mbuf flags stored in PH_loc.eight[1]. */ 1139 #define MC_NOMAP 0x01 1140 #define MC_RAW_WR 0x02 1141 #define MC_TLS 0x04 1142 1143 static inline int 1144 mbuf_cflags(struct mbuf *m) 1145 { 1146 M_ASSERTPKTHDR(m); 1147 return (m->m_pkthdr.PH_loc.eight[4]); 1148 } 1149 1150 static inline void 1151 set_mbuf_cflags(struct mbuf *m, uint8_t flags) 1152 { 1153 M_ASSERTPKTHDR(m); 1154 m->m_pkthdr.PH_loc.eight[4] = flags; 1155 } 1156 1157 static inline int 1158 mbuf_len16(struct mbuf *m) 1159 { 1160 int n; 1161 1162 M_ASSERTPKTHDR(m); 1163 n = m->m_pkthdr.PH_loc.eight[0]; 1164 if (!(mbuf_cflags(m) & MC_TLS)) 1165 MPASS(n > 0 && n <= SGE_MAX_WR_LEN / 16); 1166 1167 return (n); 1168 } 1169 1170 static inline void 1171 set_mbuf_len16(struct mbuf *m, uint8_t len16) 1172 { 1173 M_ASSERTPKTHDR(m); 1174 if (!(mbuf_cflags(m) & MC_TLS)) 1175 MPASS(len16 > 0 && len16 <= SGE_MAX_WR_LEN / 16); 1176 m->m_pkthdr.PH_loc.eight[0] = len16; 1177 } 1178 1179 static inline uint32_t 1180 t4_read_reg(struct adapter *sc, uint32_t reg) 1181 { 1182 if (hw_off_limits(sc)) 1183 MPASS(curthread == sc->reset_thread); 1184 return bus_space_read_4(sc->bt, sc->bh, reg); 1185 } 1186 1187 static inline void 1188 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val) 1189 { 1190 if (hw_off_limits(sc)) 1191 MPASS(curthread == sc->reset_thread); 1192 bus_space_write_4(sc->bt, sc->bh, reg, val); 1193 } 1194 1195 static inline uint64_t 1196 t4_read_reg64(struct adapter *sc, uint32_t reg) 1197 { 1198 if (hw_off_limits(sc)) 1199 MPASS(curthread == sc->reset_thread); 1200 #ifdef __LP64__ 1201 return bus_space_read_8(sc->bt, sc->bh, reg); 1202 #else 1203 return (uint64_t)bus_space_read_4(sc->bt, sc->bh, reg) + 1204 ((uint64_t)bus_space_read_4(sc->bt, sc->bh, reg + 4) << 32); 1205 1206 #endif 1207 } 1208 1209 static inline void 1210 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val) 1211 { 1212 if (hw_off_limits(sc)) 1213 MPASS(curthread == sc->reset_thread); 1214 #ifdef __LP64__ 1215 bus_space_write_8(sc->bt, sc->bh, reg, val); 1216 #else 1217 bus_space_write_4(sc->bt, sc->bh, reg, val); 1218 bus_space_write_4(sc->bt, sc->bh, reg + 4, val>> 32); 1219 #endif 1220 } 1221 1222 static inline void 1223 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val) 1224 { 1225 if (hw_off_limits(sc)) 1226 MPASS(curthread == sc->reset_thread); 1227 *val = pci_read_config(sc->dev, reg, 1); 1228 } 1229 1230 static inline void 1231 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val) 1232 { 1233 if (hw_off_limits(sc)) 1234 MPASS(curthread == sc->reset_thread); 1235 pci_write_config(sc->dev, reg, val, 1); 1236 } 1237 1238 static inline void 1239 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val) 1240 { 1241 1242 if (hw_off_limits(sc)) 1243 MPASS(curthread == sc->reset_thread); 1244 *val = pci_read_config(sc->dev, reg, 2); 1245 } 1246 1247 static inline void 1248 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val) 1249 { 1250 if (hw_off_limits(sc)) 1251 MPASS(curthread == sc->reset_thread); 1252 pci_write_config(sc->dev, reg, val, 2); 1253 } 1254 1255 static inline void 1256 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val) 1257 { 1258 if (hw_off_limits(sc)) 1259 MPASS(curthread == sc->reset_thread); 1260 *val = pci_read_config(sc->dev, reg, 4); 1261 } 1262 1263 static inline void 1264 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val) 1265 { 1266 if (hw_off_limits(sc)) 1267 MPASS(curthread == sc->reset_thread); 1268 pci_write_config(sc->dev, reg, val, 4); 1269 } 1270 1271 static inline struct port_info * 1272 adap2pinfo(struct adapter *sc, int idx) 1273 { 1274 1275 return (sc->port[idx]); 1276 } 1277 1278 static inline void 1279 t4_os_set_hw_addr(struct port_info *pi, uint8_t hw_addr[]) 1280 { 1281 1282 bcopy(hw_addr, pi->vi[0].hw_addr, ETHER_ADDR_LEN); 1283 } 1284 1285 static inline int 1286 tx_resume_threshold(struct sge_eq *eq) 1287 { 1288 1289 /* not quite the same as qsize / 4, but this will do. */ 1290 return (eq->sidx / 4); 1291 } 1292 1293 static inline int 1294 t4_use_ldst(struct adapter *sc) 1295 { 1296 1297 #ifdef notyet 1298 return (sc->flags & FW_OK || !sc->use_bd); 1299 #else 1300 return (0); 1301 #endif 1302 } 1303 1304 static inline void 1305 CH_DUMP_MBOX(struct adapter *sc, int mbox, const int reg, 1306 const char *msg, const __be64 *const p, const bool err) 1307 { 1308 1309 if (!(sc->debug_flags & DF_DUMP_MBOX) && !err) 1310 return; 1311 if (p != NULL) { 1312 log(err ? LOG_ERR : LOG_DEBUG, 1313 "%s: mbox %u %s %016llx %016llx %016llx %016llx " 1314 "%016llx %016llx %016llx %016llx\n", 1315 device_get_nameunit(sc->dev), mbox, msg, 1316 (long long)be64_to_cpu(p[0]), (long long)be64_to_cpu(p[1]), 1317 (long long)be64_to_cpu(p[2]), (long long)be64_to_cpu(p[3]), 1318 (long long)be64_to_cpu(p[4]), (long long)be64_to_cpu(p[5]), 1319 (long long)be64_to_cpu(p[6]), (long long)be64_to_cpu(p[7])); 1320 } else { 1321 log(err ? LOG_ERR : LOG_DEBUG, 1322 "%s: mbox %u %s %016llx %016llx %016llx %016llx " 1323 "%016llx %016llx %016llx %016llx\n", 1324 device_get_nameunit(sc->dev), mbox, msg, 1325 (long long)t4_read_reg64(sc, reg), 1326 (long long)t4_read_reg64(sc, reg + 8), 1327 (long long)t4_read_reg64(sc, reg + 16), 1328 (long long)t4_read_reg64(sc, reg + 24), 1329 (long long)t4_read_reg64(sc, reg + 32), 1330 (long long)t4_read_reg64(sc, reg + 40), 1331 (long long)t4_read_reg64(sc, reg + 48), 1332 (long long)t4_read_reg64(sc, reg + 56)); 1333 } 1334 } 1335 1336 /* t4_main.c */ 1337 extern int t4_ntxq; 1338 extern int t4_nrxq; 1339 extern int t4_intr_types; 1340 extern int t4_tmr_idx; 1341 extern int t4_pktc_idx; 1342 extern unsigned int t4_qsize_rxq; 1343 extern unsigned int t4_qsize_txq; 1344 extern device_method_t cxgbe_methods[]; 1345 1346 int t4_os_find_pci_capability(struct adapter *, int); 1347 int t4_os_pci_save_state(struct adapter *); 1348 int t4_os_pci_restore_state(struct adapter *); 1349 void t4_os_portmod_changed(struct port_info *); 1350 void t4_os_link_changed(struct port_info *); 1351 void t4_iterate(void (*)(struct adapter *, void *), void *); 1352 void t4_init_devnames(struct adapter *); 1353 void t4_add_adapter(struct adapter *); 1354 int t4_detach_common(device_t); 1355 int t4_map_bars_0_and_4(struct adapter *); 1356 int t4_map_bar_2(struct adapter *); 1357 int t4_setup_intr_handlers(struct adapter *); 1358 void t4_sysctls(struct adapter *); 1359 int begin_synchronized_op(struct adapter *, struct vi_info *, int, char *); 1360 void doom_vi(struct adapter *, struct vi_info *); 1361 void end_synchronized_op(struct adapter *, int); 1362 int update_mac_settings(if_t, int); 1363 int adapter_init(struct adapter *); 1364 int vi_init(struct vi_info *); 1365 void vi_sysctls(struct vi_info *); 1366 int rw_via_memwin(struct adapter *, int, uint32_t, uint32_t *, int, int); 1367 int alloc_atid(struct adapter *, void *); 1368 void *lookup_atid(struct adapter *, int); 1369 void free_atid(struct adapter *, int); 1370 void release_tid(struct adapter *, int, struct sge_wrq *); 1371 int cxgbe_media_change(if_t); 1372 void cxgbe_media_status(if_t, struct ifmediareq *); 1373 void t4_os_cim_err(struct adapter *); 1374 1375 #ifdef KERN_TLS 1376 /* t6_kern_tls.c */ 1377 int t6_tls_tag_alloc(if_t, union if_snd_tag_alloc_params *, 1378 struct m_snd_tag **); 1379 void t6_ktls_modload(void); 1380 void t6_ktls_modunload(void); 1381 int t6_ktls_try(if_t, struct socket *, struct ktls_session *); 1382 int t6_ktls_parse_pkt(struct mbuf *); 1383 int t6_ktls_write_wr(struct sge_txq *, void *, struct mbuf *, u_int); 1384 #endif 1385 1386 /* t4_keyctx.c */ 1387 struct auth_hash; 1388 union authctx; 1389 #ifdef KERN_TLS 1390 struct ktls_session; 1391 struct tls_key_req; 1392 struct tls_keyctx; 1393 #endif 1394 1395 void t4_aes_getdeckey(void *, const void *, unsigned int); 1396 void t4_copy_partial_hash(int, union authctx *, void *); 1397 void t4_init_gmac_hash(const char *, int, char *); 1398 void t4_init_hmac_digest(const struct auth_hash *, u_int, const char *, int, 1399 char *); 1400 #ifdef KERN_TLS 1401 u_int t4_tls_key_info_size(const struct ktls_session *); 1402 int t4_tls_proto_ver(const struct ktls_session *); 1403 int t4_tls_cipher_mode(const struct ktls_session *); 1404 int t4_tls_auth_mode(const struct ktls_session *); 1405 int t4_tls_hmac_ctrl(const struct ktls_session *); 1406 void t4_tls_key_ctx(const struct ktls_session *, int, struct tls_keyctx *); 1407 int t4_alloc_tls_keyid(struct adapter *); 1408 void t4_free_tls_keyid(struct adapter *, int); 1409 void t4_write_tlskey_wr(const struct ktls_session *, int, int, int, int, 1410 struct tls_key_req *); 1411 #endif 1412 1413 #ifdef DEV_NETMAP 1414 /* t4_netmap.c */ 1415 struct sge_nm_rxq; 1416 void cxgbe_nm_attach(struct vi_info *); 1417 void cxgbe_nm_detach(struct vi_info *); 1418 void service_nm_rxq(struct sge_nm_rxq *); 1419 int alloc_nm_rxq(struct vi_info *, struct sge_nm_rxq *, int, int); 1420 int free_nm_rxq(struct vi_info *, struct sge_nm_rxq *); 1421 int alloc_nm_txq(struct vi_info *, struct sge_nm_txq *, int, int); 1422 int free_nm_txq(struct vi_info *, struct sge_nm_txq *); 1423 #endif 1424 1425 /* t4_sge.c */ 1426 void t4_sge_modload(void); 1427 void t4_sge_modunload(void); 1428 uint64_t t4_sge_extfree_refs(void); 1429 void t4_tweak_chip_settings(struct adapter *); 1430 int t4_verify_chip_settings(struct adapter *); 1431 void t4_init_rx_buf_info(struct adapter *); 1432 int t4_create_dma_tag(struct adapter *); 1433 void t4_sge_sysctls(struct adapter *, struct sysctl_ctx_list *, 1434 struct sysctl_oid_list *); 1435 int t4_destroy_dma_tag(struct adapter *); 1436 int alloc_ring(struct adapter *, size_t, bus_dma_tag_t *, bus_dmamap_t *, 1437 bus_addr_t *, void **); 1438 int free_ring(struct adapter *, bus_dma_tag_t, bus_dmamap_t, bus_addr_t, 1439 void *); 1440 void free_fl_buffers(struct adapter *, struct sge_fl *); 1441 int t4_setup_adapter_queues(struct adapter *); 1442 int t4_teardown_adapter_queues(struct adapter *); 1443 int t4_setup_vi_queues(struct vi_info *); 1444 int t4_teardown_vi_queues(struct vi_info *); 1445 void t4_intr_all(void *); 1446 void t4_intr(void *); 1447 #ifdef DEV_NETMAP 1448 void t4_nm_intr(void *); 1449 void t4_vi_intr(void *); 1450 #endif 1451 void t4_intr_err(void *); 1452 void t4_intr_evt(void *); 1453 void t4_wrq_tx_locked(struct adapter *, struct sge_wrq *, struct wrqe *); 1454 void t4_update_fl_bufsize(if_t); 1455 struct mbuf *alloc_wr_mbuf(int, int); 1456 int parse_pkt(struct mbuf **, bool); 1457 void *start_wrq_wr(struct sge_wrq *, int, struct wrq_cookie *); 1458 void commit_wrq_wr(struct sge_wrq *, void *, struct wrq_cookie *); 1459 int t4_sge_set_conm_context(struct adapter *, int, int, int); 1460 void t4_register_an_handler(an_handler_t); 1461 void t4_register_fw_msg_handler(int, fw_msg_handler_t); 1462 void t4_register_cpl_handler(int, cpl_handler_t); 1463 void t4_register_shared_cpl_handler(int, cpl_handler_t, int); 1464 #ifdef RATELIMIT 1465 void send_etid_flush_wr(struct cxgbe_rate_tag *); 1466 #endif 1467 1468 /* t4_tracer.c */ 1469 struct t4_tracer; 1470 void t4_tracer_modload(void); 1471 void t4_tracer_modunload(void); 1472 void t4_tracer_port_detach(struct adapter *); 1473 int t4_get_tracer(struct adapter *, struct t4_tracer *); 1474 int t4_set_tracer(struct adapter *, struct t4_tracer *); 1475 int t4_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *); 1476 int t5_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *); 1477 1478 /* t4_sched.c */ 1479 int t4_set_sched_class(struct adapter *, struct t4_sched_params *); 1480 int t4_set_sched_queue(struct adapter *, struct t4_sched_queue *); 1481 int t4_init_tx_sched(struct adapter *); 1482 int t4_free_tx_sched(struct adapter *); 1483 void t4_update_tx_sched(struct adapter *); 1484 int t4_reserve_cl_rl_kbps(struct adapter *, int, u_int, int *); 1485 void t4_release_cl_rl(struct adapter *, int, int); 1486 int sysctl_tc(SYSCTL_HANDLER_ARGS); 1487 int sysctl_tc_params(SYSCTL_HANDLER_ARGS); 1488 #ifdef RATELIMIT 1489 void t4_init_etid_table(struct adapter *); 1490 void t4_free_etid_table(struct adapter *); 1491 struct cxgbe_rate_tag *lookup_etid(struct adapter *, int); 1492 int cxgbe_rate_tag_alloc(if_t, union if_snd_tag_alloc_params *, 1493 struct m_snd_tag **); 1494 void cxgbe_rate_tag_free_locked(struct cxgbe_rate_tag *); 1495 void cxgbe_ratelimit_query(if_t, struct if_ratelimit_query_results *); 1496 #endif 1497 1498 /* t4_filter.c */ 1499 int get_filter_mode(struct adapter *, uint32_t *); 1500 int set_filter_mode(struct adapter *, uint32_t); 1501 int set_filter_mask(struct adapter *, uint32_t); 1502 int get_filter(struct adapter *, struct t4_filter *); 1503 int set_filter(struct adapter *, struct t4_filter *); 1504 int del_filter(struct adapter *, struct t4_filter *); 1505 int t4_filter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *); 1506 int t4_hashfilter_ao_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *); 1507 int t4_hashfilter_tcb_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *); 1508 int t4_del_hashfilter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *); 1509 void free_hftid_hash(struct tid_info *); 1510 1511 static inline struct wrqe * 1512 alloc_wrqe(int wr_len, struct sge_wrq *wrq) 1513 { 1514 int len = offsetof(struct wrqe, wr) + wr_len; 1515 struct wrqe *wr; 1516 1517 wr = malloc(len, M_CXGBE, M_NOWAIT); 1518 if (__predict_false(wr == NULL)) 1519 return (NULL); 1520 wr->wr_len = wr_len; 1521 wr->wrq = wrq; 1522 return (wr); 1523 } 1524 1525 static inline void * 1526 wrtod(struct wrqe *wr) 1527 { 1528 return (&wr->wr[0]); 1529 } 1530 1531 static inline void 1532 free_wrqe(struct wrqe *wr) 1533 { 1534 free(wr, M_CXGBE); 1535 } 1536 1537 static inline void 1538 t4_wrq_tx(struct adapter *sc, struct wrqe *wr) 1539 { 1540 struct sge_wrq *wrq = wr->wrq; 1541 1542 TXQ_LOCK(wrq); 1543 t4_wrq_tx_locked(sc, wrq, wr); 1544 TXQ_UNLOCK(wrq); 1545 } 1546 1547 static inline int 1548 read_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val, 1549 int len) 1550 { 1551 1552 return (rw_via_memwin(sc, idx, addr, val, len, 0)); 1553 } 1554 1555 static inline int 1556 write_via_memwin(struct adapter *sc, int idx, uint32_t addr, 1557 const uint32_t *val, int len) 1558 { 1559 1560 return (rw_via_memwin(sc, idx, addr, (void *)(uintptr_t)val, len, 1)); 1561 } 1562 1563 /* Number of len16 -> number of descriptors */ 1564 static inline int 1565 tx_len16_to_desc(int len16) 1566 { 1567 1568 return (howmany(len16, EQ_ESIZE / 16)); 1569 } 1570 #endif 1571