1 /****************************************************************************** 2 3 Copyright (c) 2013-2015, Intel Corporation 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 9 1. Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 12 2. Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 3. Neither the name of the Intel Corporation nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 POSSIBILITY OF SUCH DAMAGE. 31 32 ******************************************************************************/ 33 /*$FreeBSD$*/ 34 35 36 #ifndef _IXL_H_ 37 #define _IXL_H_ 38 39 #include "opt_inet.h" 40 #include "opt_inet6.h" 41 #include "opt_rss.h" 42 #include "opt_ixl.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/buf_ring.h> 47 #include <sys/mbuf.h> 48 #include <sys/protosw.h> 49 #include <sys/socket.h> 50 #include <sys/malloc.h> 51 #include <sys/kernel.h> 52 #include <sys/module.h> 53 #include <sys/sockio.h> 54 #include <sys/eventhandler.h> 55 #include <sys/syslog.h> 56 57 #include <net/if.h> 58 #include <net/if_var.h> 59 #include <net/if_arp.h> 60 #include <net/bpf.h> 61 #include <net/ethernet.h> 62 #include <net/if_dl.h> 63 #include <net/if_media.h> 64 65 #include <net/bpf.h> 66 #include <net/if_types.h> 67 #include <net/if_vlan_var.h> 68 69 #include <netinet/in_systm.h> 70 #include <netinet/in.h> 71 #include <netinet/if_ether.h> 72 #include <netinet/ip.h> 73 #include <netinet/ip6.h> 74 #include <netinet/tcp.h> 75 #include <netinet/tcp_lro.h> 76 #include <netinet/udp.h> 77 #include <netinet/sctp.h> 78 79 #include <machine/in_cksum.h> 80 81 #include <sys/bus.h> 82 #include <machine/bus.h> 83 #include <sys/rman.h> 84 #include <machine/resource.h> 85 #include <vm/vm.h> 86 #include <vm/pmap.h> 87 #include <machine/clock.h> 88 #include <dev/pci/pcivar.h> 89 #include <dev/pci/pcireg.h> 90 #include <sys/proc.h> 91 #include <sys/sysctl.h> 92 #include <sys/endian.h> 93 #include <sys/taskqueue.h> 94 #include <sys/pcpu.h> 95 #include <sys/smp.h> 96 #include <sys/sbuf.h> 97 #include <machine/smp.h> 98 #include <machine/stdarg.h> 99 100 #ifdef RSS 101 #include <net/rss_config.h> 102 #include <netinet/in_rss.h> 103 #endif 104 105 #include "i40e_type.h" 106 #include "i40e_prototype.h" 107 108 #define MAC_FORMAT "%02x:%02x:%02x:%02x:%02x:%02x" 109 #define MAC_FORMAT_ARGS(mac_addr) \ 110 (mac_addr)[0], (mac_addr)[1], (mac_addr)[2], (mac_addr)[3], \ 111 (mac_addr)[4], (mac_addr)[5] 112 #define ON_OFF_STR(is_set) ((is_set) ? "On" : "Off") 113 114 #ifdef IXL_DEBUG 115 116 #define _DBG_PRINTF(S, ...) printf("%s: " S "\n", __func__, ##__VA_ARGS__) 117 #define _DEV_DBG_PRINTF(dev, S, ...) device_printf(dev, "%s: " S "\n", __func__, ##__VA_ARGS__) 118 #define _IF_DBG_PRINTF(ifp, S, ...) if_printf(ifp, "%s: " S "\n", __func__, ##__VA_ARGS__) 119 120 /* Defines for printing generic debug information */ 121 #define DPRINTF(...) _DBG_PRINTF(__VA_ARGS__) 122 #define DDPRINTF(...) _DEV_DBG_PRINTF(__VA_ARGS__) 123 #define IDPRINTF(...) _IF_DBG_PRINTF(__VA_ARGS__) 124 125 /* Defines for printing specific debug information */ 126 #define DEBUG_INIT 1 127 #define DEBUG_IOCTL 1 128 #define DEBUG_HW 1 129 130 #define INIT_DEBUGOUT(...) if (DEBUG_INIT) _DBG_PRINTF(__VA_ARGS__) 131 #define INIT_DBG_DEV(...) if (DEBUG_INIT) _DEV_DBG_PRINTF(__VA_ARGS__) 132 #define INIT_DBG_IF(...) if (DEBUG_INIT) _IF_DBG_PRINTF(__VA_ARGS__) 133 134 #define IOCTL_DEBUGOUT(...) if (DEBUG_IOCTL) _DBG_PRINTF(__VA_ARGS__) 135 #define IOCTL_DBG_IF2(ifp, S, ...) if (DEBUG_IOCTL) \ 136 if_printf(ifp, S "\n", ##__VA_ARGS__) 137 #define IOCTL_DBG_IF(...) if (DEBUG_IOCTL) _IF_DBG_PRINTF(__VA_ARGS__) 138 139 #define HW_DEBUGOUT(...) if (DEBUG_HW) _DBG_PRINTF(__VA_ARGS__) 140 141 #else /* no IXL_DEBUG */ 142 #define DEBUG_INIT 0 143 #define DEBUG_IOCTL 0 144 #define DEBUG_HW 0 145 146 #define DPRINTF(...) 147 #define DDPRINTF(...) 148 #define IDPRINTF(...) 149 150 #define INIT_DEBUGOUT(...) 151 #define INIT_DBG_DEV(...) 152 #define INIT_DBG_IF(...) 153 #define IOCTL_DEBUGOUT(...) 154 #define IOCTL_DBG_IF2(...) 155 #define IOCTL_DBG_IF(...) 156 #define HW_DEBUGOUT(...) 157 #endif /* IXL_DEBUG */ 158 159 enum ixl_dbg_mask { 160 IXL_DBG_INFO = 0x00000001, 161 IXL_DBG_EN_DIS = 0x00000002, 162 IXL_DBG_AQ = 0x00000004, 163 IXL_DBG_NVMUPD = 0x00000008, 164 165 IXL_DBG_IOCTL_KNOWN = 0x00000010, 166 IXL_DBG_IOCTL_UNKNOWN = 0x00000020, 167 IXL_DBG_IOCTL_ALL = 0x00000030, 168 169 I40E_DEBUG_RSS = 0x00000100, 170 171 IXL_DBG_IOV = 0x00001000, 172 IXL_DBG_IOV_VC = 0x00002000, 173 174 IXL_DBG_SWITCH_INFO = 0x00010000, 175 IXL_DBG_I2C = 0x00020000, 176 177 IXL_DBG_ALL = 0xFFFFFFFF 178 }; 179 180 /* Tunables */ 181 182 /* 183 * Ring Descriptors Valid Range: 32-4096 Default Value: 1024 This value is the 184 * number of tx/rx descriptors allocated by the driver. Increasing this 185 * value allows the driver to queue more operations. 186 * 187 * Tx descriptors are always 16 bytes, but Rx descriptors can be 32 bytes. 188 * The driver currently always uses 32 byte Rx descriptors. 189 */ 190 #define IXL_DEFAULT_RING 1024 191 #define IXL_MAX_RING 8160 192 #define IXL_MIN_RING 32 193 #define IXL_RING_INCREMENT 32 194 195 #define IXL_AQ_LEN 256 196 #define IXL_AQ_LEN_MAX 1024 197 198 /* 199 ** Default number of entries in Tx queue buf_ring. 200 */ 201 #define DEFAULT_TXBRSZ 4096 202 203 /* Alignment for rings */ 204 #define DBA_ALIGN 128 205 206 /* 207 * This is the max watchdog interval, ie. the time that can 208 * pass between any two TX clean operations, such only happening 209 * when the TX hardware is functioning. 210 */ 211 #define IXL_WATCHDOG (10 * hz) 212 213 /* 214 * This parameters control when the driver calls the routine to reclaim 215 * transmit descriptors. 216 */ 217 #define IXL_TX_CLEANUP_THRESHOLD (que->num_desc / 8) 218 #define IXL_TX_OP_THRESHOLD (que->num_desc / 32) 219 220 #define MAX_MULTICAST_ADDR 128 221 222 #define IXL_MSIX_BAR 3 223 #define IXL_ADM_LIMIT 2 224 #define IXL_TSO_SIZE 65535 225 #define IXL_AQ_BUF_SZ ((u32) 4096) 226 #define IXL_RX_HDR 128 227 #define IXL_RX_LIMIT 512 228 #define IXL_RX_ITR 0 229 #define IXL_TX_ITR 1 230 #define IXL_ITR_NONE 3 231 #define IXL_QUEUE_EOL 0x7FF 232 #define IXL_MAX_FRAME 9728 233 #define IXL_MAX_TX_SEGS 8 234 #define IXL_MAX_TSO_SEGS 128 235 #define IXL_SPARSE_CHAIN 6 236 #define IXL_QUEUE_HUNG 0x80000000 237 #define IXL_MIN_TSO_MSS 64 238 239 #define IXL_RSS_KEY_SIZE_REG 13 240 #define IXL_RSS_KEY_SIZE (IXL_RSS_KEY_SIZE_REG * 4) 241 #define IXL_RSS_VSI_LUT_SIZE 64 /* X722 -> VSI, X710 -> VF */ 242 #define IXL_RSS_VSI_LUT_ENTRY_MASK 0x3F 243 #define IXL_RSS_VF_LUT_ENTRY_MASK 0xF 244 245 #define IXL_VF_MAX_BUFFER 0x3F80 246 #define IXL_VF_MAX_HDR_BUFFER 0x840 247 #define IXL_VF_MAX_FRAME 0x3FFF 248 249 /* ERJ: hardware can support ~2k (SW5+) filters between all functions */ 250 #define IXL_MAX_FILTERS 256 251 #define IXL_MAX_TX_BUSY 10 252 253 #define IXL_NVM_VERSION_LO_SHIFT 0 254 #define IXL_NVM_VERSION_LO_MASK (0xff << IXL_NVM_VERSION_LO_SHIFT) 255 #define IXL_NVM_VERSION_HI_SHIFT 12 256 #define IXL_NVM_VERSION_HI_MASK (0xf << IXL_NVM_VERSION_HI_SHIFT) 257 258 /* 259 * Interrupt Moderation parameters 260 * Multiply ITR values by 2 for real ITR value 261 */ 262 #define IXL_MAX_ITR 0x0FF0 263 #define IXL_ITR_100K 0x0005 264 #define IXL_ITR_20K 0x0019 265 #define IXL_ITR_8K 0x003E 266 #define IXL_ITR_4K 0x007A 267 #define IXL_ITR_1K 0x01F4 268 #define IXL_ITR_DYNAMIC 0x8000 269 #define IXL_LOW_LATENCY 0 270 #define IXL_AVE_LATENCY 1 271 #define IXL_BULK_LATENCY 2 272 273 /* MacVlan Flags */ 274 #define IXL_FILTER_USED (u16)(1 << 0) 275 #define IXL_FILTER_VLAN (u16)(1 << 1) 276 #define IXL_FILTER_ADD (u16)(1 << 2) 277 #define IXL_FILTER_DEL (u16)(1 << 3) 278 #define IXL_FILTER_MC (u16)(1 << 4) 279 280 /* used in the vlan field of the filter when not a vlan */ 281 #define IXL_VLAN_ANY -1 282 283 #define CSUM_OFFLOAD_IPV4 (CSUM_IP|CSUM_TCP|CSUM_UDP|CSUM_SCTP) 284 #define CSUM_OFFLOAD_IPV6 (CSUM_TCP_IPV6|CSUM_UDP_IPV6|CSUM_SCTP_IPV6) 285 #define CSUM_OFFLOAD (CSUM_OFFLOAD_IPV4|CSUM_OFFLOAD_IPV6|CSUM_TSO) 286 287 /* Misc flags for ixl_vsi.flags */ 288 #define IXL_FLAGS_KEEP_TSO4 (1 << 0) 289 #define IXL_FLAGS_KEEP_TSO6 (1 << 1) 290 291 #define IXL_VF_RESET_TIMEOUT 100 292 293 #define IXL_VSI_DATA_PORT 0x01 294 295 #define IXLV_MAX_QUEUES 16 296 #define IXL_MAX_VSI_QUEUES (2 * (I40E_VSILAN_QTABLE_MAX_INDEX + 1)) 297 298 #define IXL_RX_CTX_BASE_UNITS 128 299 #define IXL_TX_CTX_BASE_UNITS 128 300 301 #define IXL_VPINT_LNKLSTN_REG(hw, vector, vf_num) \ 302 I40E_VPINT_LNKLSTN(((vector) - 1) + \ 303 (((hw)->func_caps.num_msix_vectors_vf - 1) * (vf_num))) 304 305 #define IXL_VFINT_DYN_CTLN_REG(hw, vector, vf_num) \ 306 I40E_VFINT_DYN_CTLN(((vector) - 1) + \ 307 (((hw)->func_caps.num_msix_vectors_vf - 1) * (vf_num))) 308 309 #define IXL_PF_PCI_CIAA_VF_DEVICE_STATUS 0xAA 310 311 #define IXL_PF_PCI_CIAD_VF_TRANS_PENDING_MASK 0x20 312 313 #define IXL_GLGEN_VFLRSTAT_INDEX(glb_vf) ((glb_vf) / 32) 314 #define IXL_GLGEN_VFLRSTAT_MASK(glb_vf) (1 << ((glb_vf) % 32)) 315 316 #define IXL_MAX_ITR_IDX 3 317 318 #define IXL_END_OF_INTR_LNKLST 0x7FF 319 320 #define IXL_DEFAULT_RSS_HENA_BASE (\ 321 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | \ 322 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP) | \ 323 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_SCTP) | \ 324 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | \ 325 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4) | \ 326 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | \ 327 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP) | \ 328 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_SCTP) | \ 329 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | \ 330 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6) | \ 331 BIT_ULL(I40E_FILTER_PCTYPE_L2_PAYLOAD)) 332 333 #define IXL_DEFAULT_RSS_HENA_XL710 IXL_DEFAULT_RSS_HENA_BASE 334 335 #define IXL_DEFAULT_RSS_HENA_X722 (\ 336 IXL_DEFAULT_RSS_HENA_BASE | \ 337 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | \ 338 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | \ 339 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | \ 340 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) | \ 341 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK) | \ 342 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK)) 343 344 #define IXL_TX_LOCK(_sc) mtx_lock(&(_sc)->mtx) 345 #define IXL_TX_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx) 346 #define IXL_TX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->mtx) 347 #define IXL_TX_TRYLOCK(_sc) mtx_trylock(&(_sc)->mtx) 348 #define IXL_TX_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->mtx, MA_OWNED) 349 350 #define IXL_RX_LOCK(_sc) mtx_lock(&(_sc)->mtx) 351 #define IXL_RX_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx) 352 #define IXL_RX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->mtx) 353 354 /* Pre-11 counter(9) compatibility */ 355 #if __FreeBSD_version >= 1100036 356 #define IXL_SET_IPACKETS(vsi, count) (vsi)->ipackets = (count) 357 #define IXL_SET_IERRORS(vsi, count) (vsi)->ierrors = (count) 358 #define IXL_SET_OPACKETS(vsi, count) (vsi)->opackets = (count) 359 #define IXL_SET_OERRORS(vsi, count) (vsi)->oerrors = (count) 360 #define IXL_SET_COLLISIONS(vsi, count) /* Do nothing; collisions is always 0. */ 361 #define IXL_SET_IBYTES(vsi, count) (vsi)->ibytes = (count) 362 #define IXL_SET_OBYTES(vsi, count) (vsi)->obytes = (count) 363 #define IXL_SET_IMCASTS(vsi, count) (vsi)->imcasts = (count) 364 #define IXL_SET_OMCASTS(vsi, count) (vsi)->omcasts = (count) 365 #define IXL_SET_IQDROPS(vsi, count) (vsi)->iqdrops = (count) 366 #define IXL_SET_OQDROPS(vsi, count) (vsi)->oqdrops = (count) 367 #define IXL_SET_NOPROTO(vsi, count) (vsi)->noproto = (count) 368 #else 369 #define IXL_SET_IPACKETS(vsi, count) (vsi)->ifp->if_ipackets = (count) 370 #define IXL_SET_IERRORS(vsi, count) (vsi)->ifp->if_ierrors = (count) 371 #define IXL_SET_OPACKETS(vsi, count) (vsi)->ifp->if_opackets = (count) 372 #define IXL_SET_OERRORS(vsi, count) (vsi)->ifp->if_oerrors = (count) 373 #define IXL_SET_COLLISIONS(vsi, count) (vsi)->ifp->if_collisions = (count) 374 #define IXL_SET_IBYTES(vsi, count) (vsi)->ifp->if_ibytes = (count) 375 #define IXL_SET_OBYTES(vsi, count) (vsi)->ifp->if_obytes = (count) 376 #define IXL_SET_IMCASTS(vsi, count) (vsi)->ifp->if_imcasts = (count) 377 #define IXL_SET_OMCASTS(vsi, count) (vsi)->ifp->if_omcasts = (count) 378 #define IXL_SET_IQDROPS(vsi, count) (vsi)->ifp->if_iqdrops = (count) 379 #define IXL_SET_OQDROPS(vsi, odrops) (vsi)->ifp->if_snd.ifq_drops = (odrops) 380 #define IXL_SET_NOPROTO(vsi, count) (vsi)->noproto = (count) 381 #endif 382 383 /* 384 ***************************************************************************** 385 * vendor_info_array 386 * 387 * This array contains the list of Subvendor/Subdevice IDs on which the driver 388 * should load. 389 * 390 ***************************************************************************** 391 */ 392 typedef struct _ixl_vendor_info_t { 393 unsigned int vendor_id; 394 unsigned int device_id; 395 unsigned int subvendor_id; 396 unsigned int subdevice_id; 397 unsigned int index; 398 } ixl_vendor_info_t; 399 400 401 struct ixl_tx_buf { 402 u32 eop_index; 403 struct mbuf *m_head; 404 bus_dmamap_t map; 405 bus_dma_tag_t tag; 406 }; 407 408 struct ixl_rx_buf { 409 struct mbuf *m_head; 410 struct mbuf *m_pack; 411 struct mbuf *fmp; 412 bus_dmamap_t hmap; 413 bus_dmamap_t pmap; 414 }; 415 416 /* 417 ** This struct has multiple uses, multicast 418 ** addresses, vlans, and mac filters all use it. 419 */ 420 struct ixl_mac_filter { 421 SLIST_ENTRY(ixl_mac_filter) next; 422 u8 macaddr[ETHER_ADDR_LEN]; 423 s16 vlan; 424 u16 flags; 425 }; 426 427 /* 428 * The Transmit ring control struct 429 */ 430 struct tx_ring { 431 struct ixl_queue *que; 432 struct mtx mtx; 433 u32 tail; 434 struct i40e_tx_desc *base; 435 struct i40e_dma_mem dma; 436 u16 next_avail; 437 u16 next_to_clean; 438 u16 atr_rate; 439 u16 atr_count; 440 u32 itr; 441 u32 latency; 442 struct ixl_tx_buf *buffers; 443 volatile u16 avail; 444 u32 cmd; 445 bus_dma_tag_t tx_tag; 446 bus_dma_tag_t tso_tag; 447 char mtx_name[16]; 448 struct buf_ring *br; 449 s32 watchdog_timer; 450 451 /* Used for Dynamic ITR calculation */ 452 u32 packets; 453 u32 bytes; 454 455 /* Soft Stats */ 456 u64 tx_bytes; 457 u64 no_desc; 458 u64 total_packets; 459 }; 460 461 462 /* 463 * The Receive ring control struct 464 */ 465 struct rx_ring { 466 struct ixl_queue *que; 467 struct mtx mtx; 468 union i40e_rx_desc *base; 469 struct i40e_dma_mem dma; 470 struct lro_ctrl lro; 471 bool lro_enabled; 472 bool hdr_split; 473 bool discard; 474 u32 next_refresh; 475 u32 next_check; 476 u32 itr; 477 u32 latency; 478 char mtx_name[16]; 479 struct ixl_rx_buf *buffers; 480 u32 mbuf_sz; 481 u32 tail; 482 bus_dma_tag_t htag; 483 bus_dma_tag_t ptag; 484 485 /* Used for Dynamic ITR calculation */ 486 u32 packets; 487 u32 bytes; 488 489 /* Soft stats */ 490 u64 split; 491 u64 rx_packets; 492 u64 rx_bytes; 493 u64 desc_errs; 494 u64 not_done; 495 }; 496 497 /* 498 ** Driver queue struct: this is the interrupt container 499 ** for the associated tx and rx ring pair. 500 */ 501 struct ixl_queue { 502 struct ixl_vsi *vsi; 503 u32 me; 504 u32 msix; /* This queue's MSIX vector */ 505 u32 eims; /* This queue's EIMS bit */ 506 struct resource *res; 507 void *tag; 508 int num_desc; /* both tx and rx */ 509 struct tx_ring txr; 510 struct rx_ring rxr; 511 struct task task; 512 struct task tx_task; 513 struct taskqueue *tq; 514 515 /* Queue stats */ 516 u64 irqs; 517 u64 tso; 518 u64 mbuf_defrag_failed; 519 u64 mbuf_hdr_failed; 520 u64 mbuf_pkt_failed; 521 u64 tx_dmamap_failed; 522 u64 dropped_pkts; 523 u64 mss_too_small; 524 }; 525 526 /* 527 ** Virtual Station Interface 528 */ 529 SLIST_HEAD(ixl_ftl_head, ixl_mac_filter); 530 struct ixl_vsi { 531 void *back; 532 struct ifnet *ifp; 533 device_t dev; 534 struct i40e_hw *hw; 535 struct ifmedia media; 536 enum i40e_vsi_type type; 537 int id; 538 u16 num_queues; 539 u32 rx_itr_setting; 540 u32 tx_itr_setting; 541 u16 max_frame_size; 542 543 struct ixl_queue *queues; /* head of queues */ 544 545 u16 vsi_num; 546 bool link_active; 547 u16 seid; 548 u16 uplink_seid; 549 u16 downlink_seid; 550 551 /* MAC/VLAN Filter list */ 552 struct ixl_ftl_head ftl; 553 u16 num_macs; 554 555 /* Contains readylist & stat counter id */ 556 struct i40e_aqc_vsi_properties_data info; 557 558 eventhandler_tag vlan_attach; 559 eventhandler_tag vlan_detach; 560 u16 num_vlans; 561 562 /* Per-VSI stats from hardware */ 563 struct i40e_eth_stats eth_stats; 564 struct i40e_eth_stats eth_stats_offsets; 565 bool stat_offsets_loaded; 566 /* VSI stat counters */ 567 u64 ipackets; 568 u64 ierrors; 569 u64 opackets; 570 u64 oerrors; 571 u64 ibytes; 572 u64 obytes; 573 u64 imcasts; 574 u64 omcasts; 575 u64 iqdrops; 576 u64 oqdrops; 577 u64 noproto; 578 579 /* Driver statistics */ 580 u64 hw_filters_del; 581 u64 hw_filters_add; 582 583 /* Misc. */ 584 u64 flags; 585 struct sysctl_oid *vsi_node; 586 }; 587 588 /* 589 ** Find the number of unrefreshed RX descriptors 590 */ 591 static inline u16 592 ixl_rx_unrefreshed(struct ixl_queue *que) 593 { 594 struct rx_ring *rxr = &que->rxr; 595 596 if (rxr->next_check > rxr->next_refresh) 597 return (rxr->next_check - rxr->next_refresh - 1); 598 else 599 return ((que->num_desc + rxr->next_check) - 600 rxr->next_refresh - 1); 601 } 602 603 /* 604 ** Find the next available unused filter 605 */ 606 static inline struct ixl_mac_filter * 607 ixl_get_filter(struct ixl_vsi *vsi) 608 { 609 struct ixl_mac_filter *f; 610 611 /* create a new empty filter */ 612 f = malloc(sizeof(struct ixl_mac_filter), 613 M_DEVBUF, M_NOWAIT | M_ZERO); 614 if (f) 615 SLIST_INSERT_HEAD(&vsi->ftl, f, next); 616 617 return (f); 618 } 619 620 /* 621 ** Compare two ethernet addresses 622 */ 623 static inline bool 624 cmp_etheraddr(const u8 *ea1, const u8 *ea2) 625 { 626 bool cmp = FALSE; 627 628 if ((ea1[0] == ea2[0]) && (ea1[1] == ea2[1]) && 629 (ea1[2] == ea2[2]) && (ea1[3] == ea2[3]) && 630 (ea1[4] == ea2[4]) && (ea1[5] == ea2[5])) 631 cmp = TRUE; 632 633 return (cmp); 634 } 635 636 /* 637 * Return next largest power of 2, unsigned 638 * 639 * Public domain, from Bit Twiddling Hacks 640 */ 641 static inline u32 642 next_power_of_two(u32 n) 643 { 644 n--; 645 n |= n >> 1; 646 n |= n >> 2; 647 n |= n >> 4; 648 n |= n >> 8; 649 n |= n >> 16; 650 n++; 651 652 /* Next power of two > 0 is 1 */ 653 n += (n == 0); 654 655 return (n); 656 } 657 658 /* 659 * Info for stats sysctls 660 */ 661 struct ixl_sysctl_info { 662 u64 *stat; 663 char *name; 664 char *description; 665 }; 666 667 extern const uint8_t ixl_bcast_addr[ETHER_ADDR_LEN]; 668 669 /********************************************************************* 670 * TXRX Function prototypes 671 *********************************************************************/ 672 int ixl_allocate_tx_data(struct ixl_queue *); 673 int ixl_allocate_rx_data(struct ixl_queue *); 674 void ixl_init_tx_ring(struct ixl_queue *); 675 int ixl_init_rx_ring(struct ixl_queue *); 676 bool ixl_rxeof(struct ixl_queue *, int); 677 bool ixl_txeof(struct ixl_queue *); 678 void ixl_free_que_tx(struct ixl_queue *); 679 void ixl_free_que_rx(struct ixl_queue *); 680 681 int ixl_mq_start(struct ifnet *, struct mbuf *); 682 int ixl_mq_start_locked(struct ifnet *, struct tx_ring *); 683 void ixl_deferred_mq_start(void *, int); 684 void ixl_free_vsi(struct ixl_vsi *); 685 void ixl_qflush(struct ifnet *); 686 687 /* Common function prototypes between PF/VF driver */ 688 #if __FreeBSD_version >= 1100000 689 uint64_t ixl_get_counter(if_t ifp, ift_counter cnt); 690 #endif 691 void ixl_get_default_rss_key(u32 *); 692 #endif /* _IXL_H_ */ 693