1 /************************************************************************** 2 3 Copyright (c) 2007, Chelsio Inc. 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. Neither the name of the Chelsio Corporation nor the names of its 13 contributors may be used to endorse or promote products derived from 14 this software without specific prior written permission. 15 16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 POSSIBILITY OF SUCH DAMAGE. 27 28 29 ***************************************************************************/ 30 31 32 33 #ifndef _CXGB_ADAPTER_H_ 34 #define _CXGB_ADAPTER_H_ 35 36 #include <sys/lock.h> 37 #include <sys/mutex.h> 38 #include <sys/mbuf.h> 39 #include <sys/socket.h> 40 #include <sys/sockio.h> 41 42 #include <net/if.h> 43 #include <net/if_ether.h> 44 #include <net/if_media.h> 45 46 #include <sys/bus.h> 47 #include <dev/pci/pcireg.h> 48 #include <dev/pci/pcivar.h> 49 50 #ifdef CONFIG_DEFINED 51 #include <cxgb_osdep.h> 52 #include <ulp/toecore/toedev.h> 53 #include <sys/mbufq.h> 54 #else 55 #include "cxgb_osdep.h" 56 #include "cxgb_mbuf.h" 57 #include "cxgb_toedev.h" 58 #endif 59 60 struct adapter; 61 struct sge_qset; 62 extern int cxgb_debug; 63 64 #ifdef DEBUG_LOCKING 65 #define MTX_INIT(lock, lockname, class, flags) \ 66 do { \ 67 printf("initializing %s at %s:%d\n", lockname, __FILE__, __LINE__); \ 68 mtx_init((lock), lockname, class, flags); \ 69 } while (0) 70 71 #define MTX_DESTROY(lock) \ 72 do { \ 73 printf("destroying %s at %s:%d\n", (lock)->lock_object.lo_name, __FILE__, __LINE__); \ 74 mtx_destroy((lock)); \ 75 } while (0) 76 77 #define SX_INIT(lock, lockname) \ 78 do { \ 79 printf("initializing %s at %s:%d\n", lockname, __FILE__, __LINE__); \ 80 sx_init((lock), lockname); \ 81 } while (0) 82 83 #define SX_DESTROY(lock) \ 84 do { \ 85 printf("destroying %s at %s:%d\n", (lock)->lock_object.lo_name, __FILE__, __LINE__); \ 86 sx_destroy((lock)); \ 87 } while (0) 88 #else 89 #define MTX_INIT mtx_init 90 #define MTX_DESTROY mtx_destroy 91 #define SX_INIT sx_init 92 #define SX_DESTROY sx_destroy 93 #endif 94 95 struct port_device { 96 device_t dev; 97 struct adapter *parent; 98 int port_number; 99 }; 100 101 struct port_info { 102 struct adapter *adapter; 103 struct ifnet *ifp; 104 struct port_device *pd; 105 int port; 106 u_short if_flags; 107 const struct port_type_info *port_type; 108 struct cphy phy; 109 struct cmac mac; 110 struct link_config link_config; 111 struct ifmedia media; 112 #ifdef USE_SX 113 struct sx lock; 114 #else 115 struct mtx lock; 116 #endif 117 uint8_t port_id; 118 uint8_t tx_chan; 119 uint8_t txpkt_intf; 120 uint8_t nqsets; 121 uint8_t first_qset; 122 123 uint8_t hw_addr[ETHER_ADDR_LEN]; 124 struct cxgb_task start_task; 125 struct cxgb_task timer_reclaim_task; 126 struct cdev *port_cdev; 127 128 #define PORT_NAME_LEN 32 129 #define TASKQ_NAME_LEN 32 130 char lockbuf[PORT_NAME_LEN]; 131 char taskqbuf[TASKQ_NAME_LEN]; 132 }; 133 134 enum { /* adapter flags */ 135 FULL_INIT_DONE = (1 << 0), 136 USING_MSI = (1 << 1), 137 USING_MSIX = (1 << 2), 138 QUEUES_BOUND = (1 << 3), 139 FW_UPTODATE = (1 << 4), 140 TPS_UPTODATE = (1 << 5), 141 }; 142 143 144 #define FL_Q_SIZE 4096 145 #define JUMBO_Q_SIZE 512 146 #define RSPQ_Q_SIZE 1024 147 #define TX_ETH_Q_SIZE 1024 148 149 150 151 /* 152 * Types of Tx queues in each queue set. Order here matters, do not change. 153 * XXX TOE is not implemented yet, so the extra queues are just placeholders. 154 */ 155 enum { TXQ_ETH, TXQ_OFLD, TXQ_CTRL }; 156 157 158 /* careful, the following are set on priv_flags and must not collide with 159 * IFF_ flags! 160 */ 161 enum { 162 LRO_ACTIVE = (1 << 8), 163 }; 164 165 /* Max concurrent LRO sessions per queue set */ 166 #define MAX_LRO_SES 8 167 168 struct t3_lro_session { 169 struct mbuf *head; 170 struct mbuf *tail; 171 uint32_t seq; 172 uint16_t ip_len; 173 uint16_t mss; 174 uint16_t vtag; 175 uint8_t npkts; 176 }; 177 178 struct lro_state { 179 unsigned short enabled; 180 unsigned short active_idx; 181 unsigned int nactive; 182 struct t3_lro_session sess[MAX_LRO_SES]; 183 }; 184 185 #define RX_BUNDLE_SIZE 8 186 187 struct rsp_desc; 188 189 struct sge_rspq { 190 uint32_t credits; 191 uint32_t size; 192 uint32_t cidx; 193 uint32_t gen; 194 uint32_t polling; 195 uint32_t holdoff_tmr; 196 uint32_t next_holdoff; 197 uint32_t imm_data; 198 struct rsp_desc *desc; 199 uint32_t cntxt_id; 200 struct mtx lock; 201 struct mbuf *rx_head; /* offload packet receive queue head */ 202 struct mbuf *rx_tail; /* offload packet receive queue tail */ 203 204 uint32_t offload_pkts; 205 uint32_t offload_bundles; 206 uint32_t pure_rsps; 207 uint32_t unhandled_irqs; 208 209 bus_addr_t phys_addr; 210 bus_dma_tag_t desc_tag; 211 bus_dmamap_t desc_map; 212 213 struct t3_mbuf_hdr rspq_mh; 214 #define RSPQ_NAME_LEN 32 215 char lockbuf[RSPQ_NAME_LEN]; 216 217 }; 218 219 #ifndef DISABLE_MBUF_IOVEC 220 #define rspq_mbuf rspq_mh.mh_head 221 #endif 222 223 struct rx_desc; 224 struct rx_sw_desc; 225 226 struct sge_fl { 227 uint32_t buf_size; 228 uint32_t credits; 229 uint32_t size; 230 uint32_t cidx; 231 uint32_t pidx; 232 uint32_t gen; 233 struct rx_desc *desc; 234 struct rx_sw_desc *sdesc; 235 bus_addr_t phys_addr; 236 uint32_t cntxt_id; 237 uint64_t empty; 238 bus_dma_tag_t desc_tag; 239 bus_dmamap_t desc_map; 240 bus_dma_tag_t entry_tag; 241 int type; 242 }; 243 244 struct tx_desc; 245 struct tx_sw_desc; 246 247 #define TXQ_TRANSMITTING 0x1 248 249 struct sge_txq { 250 uint64_t flags; 251 uint32_t in_use; 252 uint32_t size; 253 uint32_t processed; 254 uint32_t cleaned; 255 uint32_t stop_thres; 256 uint32_t cidx; 257 uint32_t pidx; 258 uint32_t gen; 259 uint32_t unacked; 260 struct tx_desc *desc; 261 struct tx_sw_desc *sdesc; 262 uint32_t token; 263 bus_addr_t phys_addr; 264 struct cxgb_task qresume_task; 265 struct cxgb_task qreclaim_task; 266 struct port_info *port; 267 uint32_t cntxt_id; 268 uint64_t stops; 269 uint64_t restarts; 270 bus_dma_tag_t desc_tag; 271 bus_dmamap_t desc_map; 272 bus_dma_tag_t entry_tag; 273 struct mbuf_head sendq; 274 struct mtx lock; 275 #define TXQ_NAME_LEN 32 276 char lockbuf[TXQ_NAME_LEN]; 277 }; 278 279 280 enum { 281 SGE_PSTAT_TSO, /* # of TSO requests */ 282 SGE_PSTAT_RX_CSUM_GOOD, /* # of successful RX csum offloads */ 283 SGE_PSTAT_TX_CSUM, /* # of TX checksum offloads */ 284 SGE_PSTAT_VLANEX, /* # of VLAN tag extractions */ 285 SGE_PSTAT_VLANINS, /* # of VLAN tag insertions */ 286 SGE_PSTATS_LRO_QUEUED, /* # of LRO appended packets */ 287 SGE_PSTATS_LRO_FLUSHED, /* # of LRO flushed packets */ 288 SGE_PSTATS_LRO_X_STREAMS, /* # of exceeded LRO contexts */ 289 }; 290 291 #define SGE_PSTAT_MAX (SGE_PSTATS_LRO_X_STREAMS+1) 292 293 struct sge_qset { 294 struct sge_rspq rspq; 295 struct sge_fl fl[SGE_RXQ_PER_SET]; 296 struct lro_state lro; 297 struct sge_txq txq[SGE_TXQ_PER_SET]; 298 uint32_t txq_stopped; /* which Tx queues are stopped */ 299 uint64_t port_stats[SGE_PSTAT_MAX]; 300 struct port_info *port; 301 int idx; /* qset # */ 302 }; 303 304 struct sge { 305 struct sge_qset qs[SGE_QSETS]; 306 struct mtx reg_lock; 307 }; 308 309 struct filter_info; 310 311 struct adapter { 312 device_t dev; // so we have a compatible pointer 313 int flags; 314 TAILQ_ENTRY(adapter) adapter_entry; 315 316 /* PCI register resources */ 317 int regs_rid; 318 struct resource *regs_res; 319 bus_space_handle_t bh; 320 bus_space_tag_t bt; 321 bus_size_t mmio_len; 322 uint32_t link_width; 323 struct pci_attach_args pa; 324 uint32_t bar0; 325 bus_space_handle_t bar0_handle; 326 pci_intr_handle_t intr_handle; 327 void *intr_cookie; 328 329 /* DMA resources */ 330 bus_dma_tag_t parent_dmat; 331 bus_dma_tag_t rx_dmat; 332 bus_dma_tag_t rx_jumbo_dmat; 333 bus_dma_tag_t tx_dmat; 334 335 /* Interrupt resources */ 336 int irq_rid; 337 338 uint32_t msix_regs_rid; 339 struct resource *msix_regs_res; 340 341 struct resource *msix_irq_res[SGE_QSETS]; 342 int msix_irq_rid[SGE_QSETS]; 343 void *msix_intr_tag[SGE_QSETS]; 344 uint8_t rxpkt_map[8]; /* maps RX_PKT interface values to port ids */ 345 uint8_t rrss_map[SGE_QSETS]; /* revers RSS map table */ 346 347 struct filter_info *filters; 348 349 /* Tasks */ 350 struct cxgb_task ext_intr_task; 351 struct cxgb_task slow_intr_task; 352 struct cxgb_task tick_task; 353 struct callout cxgb_tick_ch; 354 struct callout sge_timer_ch; 355 356 /* Register lock for use by the hardware layer */ 357 struct mtx mdio_lock; 358 struct mtx elmer_lock; 359 360 /* Bookkeeping for the hardware layer */ 361 struct adapter_params params; 362 unsigned int slow_intr_mask; 363 unsigned long irq_stats[IRQ_NUM_STATS]; 364 365 struct sge sge; 366 struct mc7 pmrx; 367 struct mc7 pmtx; 368 struct mc7 cm; 369 struct mc5 mc5; 370 371 struct port_info port[MAX_NPORTS]; 372 device_t portdev[MAX_NPORTS]; 373 struct toedev tdev; 374 char fw_version[64]; 375 uint32_t open_device_map; 376 uint32_t registered_device_map; 377 #ifdef USE_SX 378 struct sx lock; 379 #else 380 struct mtx lock; 381 #endif 382 int (*cxgb_intr)(void *); 383 int msi_count; 384 385 #define ADAPTER_LOCK_NAME_LEN 32 386 char lockbuf[ADAPTER_LOCK_NAME_LEN]; 387 char reglockbuf[ADAPTER_LOCK_NAME_LEN]; 388 char mdiolockbuf[ADAPTER_LOCK_NAME_LEN]; 389 char elmerlockbuf[ADAPTER_LOCK_NAME_LEN]; 390 }; 391 392 struct t3_rx_mode { 393 394 uint32_t idx; 395 struct port_info *port; 396 }; 397 398 399 #define MDIO_LOCK(adapter) mtx_lock(&(adapter)->mdio_lock) 400 #define MDIO_UNLOCK(adapter) mtx_unlock(&(adapter)->mdio_lock) 401 #define ELMR_LOCK(adapter) mtx_lock(&(adapter)->elmer_lock) 402 #define ELMR_UNLOCK(adapter) mtx_unlock(&(adapter)->elmer_lock) 403 404 405 #ifdef USE_SX 406 #define PORT_LOCK(port) sx_xlock(&(port)->lock); 407 #define PORT_UNLOCK(port) sx_xunlock(&(port)->lock); 408 #define PORT_LOCK_INIT(port, name) SX_INIT(&(port)->lock, name) 409 #define PORT_LOCK_DEINIT(port) SX_DESTROY(&(port)->lock) 410 #define PORT_LOCK_ASSERT_OWNED(port) sx_assert(&(port)->lock, SA_LOCKED) 411 412 #define ADAPTER_LOCK(adap) sx_xlock(&(adap)->lock); 413 #define ADAPTER_UNLOCK(adap) sx_xunlock(&(adap)->lock); 414 #define ADAPTER_LOCK_INIT(adap, name) SX_INIT(&(adap)->lock, name) 415 #define ADAPTER_LOCK_DEINIT(adap) SX_DESTROY(&(adap)->lock) 416 #define ADAPTER_LOCK_ASSERT_NOTOWNED(adap) sx_assert(&(adap)->lock, SA_UNLOCKED) 417 #else 418 #define PORT_LOCK(port) mtx_lock(&(port)->lock); 419 #define PORT_UNLOCK(port) mtx_unlock(&(port)->lock); 420 #define PORT_LOCK_INIT(port, name) mtx_init(&(port)->lock, name, 0, MTX_DEF) 421 #define PORT_LOCK_DEINIT(port) mtx_destroy(&(port)->lock) 422 #define PORT_LOCK_ASSERT_OWNED(port) mtx_assert(&(port)->lock, MA_OWNED) 423 424 #define ADAPTER_LOCK(adap) mtx_lock(&(adap)->lock); 425 #define ADAPTER_UNLOCK(adap) mtx_unlock(&(adap)->lock); 426 #define ADAPTER_LOCK_INIT(adap, name) mtx_init(&(adap)->lock, name, 0, MTX_DEF) 427 #define ADAPTER_LOCK_DEINIT(adap) mtx_destroy(&(adap)->lock) 428 #define ADAPTER_LOCK_ASSERT_NOTOWNED(adap) mtx_assert(&(adap)->lock, MA_NOTOWNED) 429 #endif 430 431 432 static __inline uint32_t 433 t3_read_reg(adapter_t *adapter, uint32_t reg_addr) 434 { 435 return (bus_space_read_4(adapter->bt, adapter->bh, reg_addr)); 436 } 437 438 static __inline void 439 t3_write_reg(adapter_t *adapter, uint32_t reg_addr, uint32_t val) 440 { 441 bus_space_write_4(adapter->bt, adapter->bh, reg_addr, val); 442 } 443 444 static __inline void 445 t3_os_pci_read_config_4(adapter_t *adapter, int reg, uint32_t *val) 446 { 447 *val = pci_conf_read(adapter->pa.pa_pc, adapter->pa.pa_tag, reg); 448 } 449 450 static __inline void 451 t3_os_pci_write_config_4(adapter_t *adapter, int reg, uint32_t val) 452 { 453 pci_conf_write(adapter->pa.pa_pc, adapter->pa.pa_tag, reg, val); 454 } 455 456 static __inline void 457 t3_os_pci_read_config_2(adapter_t *adapter, int reg, uint16_t *val) 458 { 459 uint32_t temp; 460 temp = pci_conf_read(adapter->pa.pa_pc, adapter->pa.pa_tag, reg&0xfc); 461 if (reg&0x2) 462 *val = (temp>>16)&0xffff; 463 else 464 *val = temp&0xffff; 465 } 466 467 static __inline void 468 t3_os_pci_write_config_2(adapter_t *adapter, int reg, uint16_t val) 469 { 470 uint32_t temp = pci_conf_read(adapter->pa.pa_pc, adapter->pa.pa_tag, reg&0xfc); 471 if (reg&0x2) 472 temp = (temp&0xffff)|(val<<16); 473 else 474 temp = (temp&0xffff0000)|val; 475 pci_conf_write(adapter->pa.pa_pc, adapter->pa.pa_tag, reg&0xfc, temp); 476 } 477 478 static __inline uint8_t * 479 t3_get_next_mcaddr(struct t3_rx_mode *rm) 480 { 481 uint8_t *macaddr = NULL; 482 483 if (rm->idx == 0) 484 macaddr = rm->port->hw_addr; 485 486 rm->idx++; 487 return (macaddr); 488 } 489 490 static __inline void 491 t3_init_rx_mode(struct t3_rx_mode *rm, struct port_info *port) 492 { 493 rm->idx = 0; 494 rm->port = port; 495 } 496 497 static __inline struct port_info * 498 adap2pinfo(struct adapter *adap, int idx) 499 { 500 return &adap->port[idx]; 501 } 502 503 int t3_os_find_pci_capability(adapter_t *adapter, int cap); 504 int t3_os_pci_save_state(struct adapter *adapter); 505 int t3_os_pci_restore_state(struct adapter *adapter); 506 void t3_os_link_changed(adapter_t *adapter, int port_id, int link_status, 507 int speed, int duplex, int fc); 508 void t3_sge_err_intr_handler(adapter_t *adapter); 509 int t3_offload_tx(struct toedev *, struct mbuf *); 510 void t3_os_ext_intr_handler(adapter_t *adapter); 511 void t3_os_set_hw_addr(adapter_t *adapter, int port_idx, u8 hw_addr[]); 512 int t3_mgmt_tx(adapter_t *adap, struct mbuf *m); 513 514 515 int t3_sge_alloc(struct adapter *); 516 int t3_sge_free(struct adapter *); 517 int t3_sge_alloc_qset(adapter_t *, uint32_t, int, int, const struct qset_params *, 518 int, struct port_info *); 519 void t3_free_sge_resources(adapter_t *); 520 void t3_sge_start(adapter_t *); 521 void t3_sge_stop(adapter_t *); 522 int t3b_intr(void *data); 523 int t3_intr_msi(void *data); 524 int t3_intr_msix(void *data); 525 int t3_encap(struct port_info *, struct mbuf **, int *free); 526 527 int t3_sge_init_adapter(adapter_t *); 528 int t3_sge_init_port(struct port_info *); 529 void t3_sge_deinit_sw(adapter_t *); 530 531 void t3_rx_eth_lro(adapter_t *adap, struct sge_rspq *rq, struct mbuf *m, 532 int ethpad, uint32_t rss_hash, uint32_t rss_csum, int lro); 533 void t3_rx_eth(struct adapter *adap, struct sge_rspq *rq, struct mbuf *m, int ethpad); 534 void t3_lro_flush(adapter_t *adap, struct sge_qset *qs, struct lro_state *state); 535 536 void t3_add_sysctls(adapter_t *sc); 537 int t3_get_desc(const struct sge_qset *qs, unsigned int qnum, unsigned int idx, 538 unsigned char *data); 539 void t3_update_qset_coalesce(struct sge_qset *qs, const struct qset_params *p); 540 /* 541 * XXX figure out how we can return this to being private to sge 542 */ 543 #define desc_reclaimable(q) ((int)((q)->processed - (q)->cleaned - TX_MAX_DESC)) 544 545 #define container_of(p, stype, field) ((stype *)(((uint8_t *)(p)) - offsetof(stype, field))) 546 547 static __inline struct sge_qset * 548 fl_to_qset(struct sge_fl *q, int qidx) 549 { 550 return container_of(q, struct sge_qset, fl[qidx]); 551 } 552 553 static __inline struct sge_qset * 554 rspq_to_qset(struct sge_rspq *q) 555 { 556 return container_of(q, struct sge_qset, rspq); 557 } 558 559 static __inline struct sge_qset * 560 txq_to_qset(struct sge_txq *q, int qidx) 561 { 562 return container_of(q, struct sge_qset, txq[qidx]); 563 } 564 565 static __inline struct adapter * 566 tdev2adap(struct toedev *d) 567 { 568 return container_of(d, struct adapter, tdev); 569 } 570 571 #undef container_of 572 573 #define OFFLOAD_DEVMAP_BIT 15 574 static __inline int offload_running(adapter_t *adapter) 575 { 576 return isset(&adapter->open_device_map, OFFLOAD_DEVMAP_BIT); 577 } 578 579 580 #endif 581
Indexes created Sun Sep 21 20:09:37 GMT 2025