1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 5 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 * 36 * $FreeBSD$ 37 */ 38 39 #ifndef _IPOIB_H 40 #define _IPOIB_H 41 42 #define LINUXKPI_PARAM_PREFIX ipoib_ 43 44 #include "opt_inet.h" 45 #include "opt_inet6.h" 46 #include "opt_ofed.h" 47 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/kernel.h> 51 #include <sys/lock.h> 52 #include <sys/malloc.h> 53 #include <sys/mbuf.h> 54 #include <sys/random.h> 55 #include <sys/rwlock.h> 56 #include <sys/socket.h> 57 #include <sys/sockio.h> 58 #include <sys/sysctl.h> 59 60 #include <net/if.h> 61 #include <net/if_var.h> 62 #include <net/if_arp.h> 63 #include <net/netisr.h> 64 #include <net/route.h> 65 #include <net/if_llc.h> 66 #include <net/if_dl.h> 67 #include <net/if_types.h> 68 #include <net/bpf.h> 69 #include <net/if_llatbl.h> 70 #include <net/vnet.h> 71 72 #if defined(INET) || defined(INET6) 73 #include <netinet/in.h> 74 #include <netinet/in_var.h> 75 #include <netinet/if_ether.h> 76 #include <netinet/ip_var.h> 77 #endif 78 #ifdef INET6 79 #include <netinet6/nd6.h> 80 #endif 81 82 #include <security/mac/mac_framework.h> 83 84 #include <linux/list.h> 85 86 #include <linux/workqueue.h> 87 #include <linux/kref.h> 88 #include <linux/mutex.h> 89 #include <linux/rbtree.h> 90 91 #include <asm/atomic.h> 92 93 #include <rdma/ib_verbs.h> 94 #include <rdma/ib_pack.h> 95 #include <rdma/ib_sa.h> 96 97 /* constants */ 98 99 #define INFINIBAND_ALEN 20 /* Octets in IPoIB HW addr */ 100 101 #ifdef IPOIB_CM 102 #define CONFIG_INFINIBAND_IPOIB_CM 103 #endif 104 105 #ifdef IPOIB_DEBUG 106 #define CONFIG_INFINIBAND_IPOIB_DEBUG 107 #define CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 108 #endif 109 110 enum ipoib_flush_level { 111 IPOIB_FLUSH_LIGHT, 112 IPOIB_FLUSH_NORMAL, 113 IPOIB_FLUSH_HEAVY 114 }; 115 116 enum { 117 IPOIB_ENCAP_LEN = 4, 118 IPOIB_HEADER_LEN = IPOIB_ENCAP_LEN + INFINIBAND_ALEN, 119 IPOIB_UD_MAX_MTU = 4 * 1024, 120 // IPOIB_UD_RX_SG = (IPOIB_UD_MAX_MTU / MJUMPAGESIZE), 121 IPOIB_UD_RX_SG = 2, 122 IPOIB_UD_TX_SG = (IPOIB_UD_MAX_MTU / MCLBYTES) + 2, 123 IPOIB_CM_MAX_MTU = (64 * 1024), 124 IPOIB_CM_TX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2, 125 IPOIB_CM_RX_SG = (IPOIB_CM_MAX_MTU / MJUMPAGESIZE), 126 IPOIB_RX_RING_SIZE = 256, 127 IPOIB_TX_RING_SIZE = 128, 128 IPOIB_MAX_RX_SG = MAX(IPOIB_CM_RX_SG, IPOIB_UD_RX_SG), 129 IPOIB_MAX_TX_SG = MAX(IPOIB_CM_TX_SG, IPOIB_UD_TX_SG), 130 IPOIB_MAX_QUEUE_SIZE = 8192, 131 IPOIB_MIN_QUEUE_SIZE = 2, 132 IPOIB_CM_MAX_CONN_QP = 4096, 133 134 IPOIB_NUM_WC = 4, 135 136 IPOIB_MAX_PATH_REC_QUEUE = 16, 137 IPOIB_MAX_MCAST_QUEUE = 16, 138 139 IPOIB_FLAG_OPER_UP = 0, 140 IPOIB_FLAG_INITIALIZED = 1, 141 IPOIB_FLAG_ADMIN_UP = 2, 142 IPOIB_PKEY_ASSIGNED = 3, 143 IPOIB_PKEY_STOP = 4, 144 IPOIB_FLAG_SUBINTERFACE = 5, 145 IPOIB_MCAST_RUN = 6, 146 IPOIB_STOP_REAPER = 7, 147 IPOIB_FLAG_UMCAST = 10, 148 IPOIB_FLAG_CSUM = 11, 149 150 IPOIB_MAX_BACKOFF_SECONDS = 16, 151 152 IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 153 IPOIB_MCAST_FLAG_SENDONLY = 1, 154 IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ 155 IPOIB_MCAST_FLAG_ATTACHED = 3, 156 157 IPOIB_MAX_LRO_DESCRIPTORS = 8, 158 IPOIB_LRO_MAX_AGGR = 64, 159 160 MAX_SEND_CQE = 16, 161 IPOIB_CM_COPYBREAK = 256, 162 }; 163 164 #define IPOIB_OP_RECV (1ul << 31) 165 #ifdef CONFIG_INFINIBAND_IPOIB_CM 166 #define IPOIB_OP_CM (1ul << 30) 167 #else 168 #define IPOIB_OP_CM (0) 169 #endif 170 171 /* structs */ 172 173 struct ipoib_header { 174 u8 hwaddr[INFINIBAND_ALEN]; 175 __be16 proto; 176 u16 reserved; 177 }; 178 179 struct ipoib_pseudoheader { 180 u8 hwaddr[INFINIBAND_ALEN]; 181 }; 182 183 /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 184 struct ipoib_mcast { 185 struct ib_sa_mcmember_rec mcmember; 186 struct ib_sa_multicast *mc; 187 struct ipoib_ah *ah; 188 189 struct rb_node rb_node; 190 struct list_head list; 191 192 unsigned long created; 193 unsigned long backoff; 194 195 unsigned long flags; 196 unsigned char logcount; 197 198 struct ifqueue pkt_queue; 199 200 struct ipoib_dev_priv *priv; 201 }; 202 203 struct ipoib_cm_rx_buf { 204 struct mbuf *mb; 205 u64 mapping[IPOIB_CM_RX_SG]; 206 }; 207 208 struct ipoib_cm_tx_buf { 209 struct mbuf *mb; 210 u64 mapping[IPOIB_CM_TX_SG]; 211 }; 212 213 struct ipoib_rx_buf { 214 struct mbuf *mb; 215 u64 mapping[IPOIB_UD_RX_SG]; 216 }; 217 218 struct ipoib_tx_buf { 219 struct mbuf *mb; 220 u64 mapping[IPOIB_UD_TX_SG]; 221 }; 222 223 struct ib_cm_id; 224 225 struct ipoib_cm_data { 226 __be32 qpn; /* High byte MUST be ignored on receive */ 227 __be32 mtu; 228 }; 229 230 /* 231 * Quoting 10.3.1 Queue Pair and EE Context States: 232 * 233 * Note, for QPs that are associated with an SRQ, the Consumer should take the 234 * QP through the Error State before invoking a Destroy QP or a Modify QP to the 235 * Reset State. The Consumer may invoke the Destroy QP without first performing 236 * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 237 * Last WQE Reached Event. However, if the Consumer does not wait for the 238 * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 239 * leakage may occur. Therefore, it is good programming practice to tear down a 240 * QP that is associated with an SRQ by using the following process: 241 * 242 * - Put the QP in the Error State 243 * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 244 * - either: 245 * drain the CQ by invoking the Poll CQ verb and either wait for CQ 246 * to be empty or the number of Poll CQ operations has exceeded 247 * CQ capacity size; 248 * - or 249 * post another WR that completes on the same CQ and wait for this 250 * WR to return as a WC; 251 * - and then invoke a Destroy QP or Reset QP. 252 * 253 * We use the second option and wait for a completion on the 254 * same CQ before destroying QPs attached to our SRQ. 255 */ 256 257 enum ipoib_cm_state { 258 IPOIB_CM_RX_LIVE, 259 IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 260 IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 261 }; 262 263 struct ipoib_cm_rx { 264 struct ib_cm_id *id; 265 struct ib_qp *qp; 266 struct ipoib_cm_rx_buf *rx_ring; 267 struct list_head list; 268 struct ipoib_dev_priv *priv; 269 unsigned long jiffies; 270 enum ipoib_cm_state state; 271 int recv_count; 272 }; 273 274 struct ipoib_cm_tx { 275 struct ib_cm_id *id; 276 struct ib_qp *qp; 277 struct list_head list; 278 struct ipoib_dev_priv *priv; 279 struct ipoib_path *path; 280 struct ipoib_cm_tx_buf *tx_ring; 281 unsigned tx_head; 282 unsigned tx_tail; 283 unsigned long flags; 284 u32 mtu; /* remote specified mtu, with grh. */ 285 }; 286 287 struct ipoib_cm_dev_priv { 288 struct ib_srq *srq; 289 struct ipoib_cm_rx_buf *srq_ring; 290 struct ib_cm_id *id; 291 struct list_head passive_ids; /* state: LIVE */ 292 struct list_head rx_error_list; /* state: ERROR */ 293 struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 294 struct list_head rx_drain_list; /* state: FLUSH, drain started */ 295 struct list_head rx_reap_list; /* state: FLUSH, drain done */ 296 struct work_struct start_task; 297 struct work_struct reap_task; 298 struct work_struct mb_task; 299 struct work_struct rx_reap_task; 300 struct delayed_work stale_task; 301 struct ifqueue mb_queue; 302 struct list_head start_list; 303 struct list_head reap_list; 304 struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 305 struct ib_recv_wr rx_wr; 306 int nonsrq_conn_qp; 307 int max_cm_mtu; /* Actual buf size. */ 308 int num_frags; 309 }; 310 311 struct ipoib_ethtool_st { 312 u16 coalesce_usecs; 313 u16 max_coalesced_frames; 314 }; 315 316 /* 317 * Device private locking: network stack tx_lock protects members used 318 * in TX fast path, lock protects everything else. lock nests inside 319 * of tx_lock (ie tx_lock must be acquired first if needed). 320 */ 321 struct ipoib_dev_priv { 322 spinlock_t lock; 323 spinlock_t drain_lock; 324 325 struct ifnet *dev; 326 327 u8 broadcastaddr[INFINIBAND_ALEN]; 328 329 unsigned long flags; 330 331 int gone; 332 int unit; 333 334 struct mutex vlan_mutex; 335 336 struct rb_root path_tree; 337 struct list_head path_list; 338 339 struct ipoib_mcast *broadcast; 340 struct list_head multicast_list; 341 struct rb_root multicast_tree; 342 343 struct delayed_work pkey_poll_task; 344 struct delayed_work mcast_task; 345 struct work_struct carrier_on_task; 346 struct work_struct flush_light; 347 struct work_struct flush_normal; 348 struct work_struct flush_heavy; 349 struct work_struct restart_task; 350 struct delayed_work ah_reap_task; 351 352 struct ib_device *ca; 353 u8 port; 354 u16 pkey; 355 u16 pkey_index; 356 struct ib_pd *pd; 357 struct ib_cq *recv_cq; 358 struct ib_cq *send_cq; 359 struct ib_qp *qp; 360 u32 qkey; 361 362 union ib_gid local_gid; 363 u16 local_lid; 364 365 unsigned int admin_mtu; /* User selected MTU, no GRH. */ 366 unsigned int mcast_mtu; /* Minus GRH bytes, from mcast group. */ 367 unsigned int max_ib_mtu; /* Without header, actual buf size. */ 368 369 struct ipoib_rx_buf *rx_ring; 370 371 struct ipoib_tx_buf *tx_ring; 372 unsigned tx_head; 373 unsigned tx_tail; 374 struct ib_sge tx_sge[IPOIB_MAX_TX_SG]; 375 struct ib_ud_wr tx_wr; 376 unsigned tx_outstanding; 377 struct ib_wc send_wc[MAX_SEND_CQE]; 378 379 struct ib_recv_wr rx_wr; 380 struct ib_sge rx_sge[IPOIB_MAX_RX_SG]; 381 382 struct ib_wc ibwc[IPOIB_NUM_WC]; 383 384 struct list_head dead_ahs; 385 386 struct ib_event_handler event_handler; 387 388 struct ifnet *parent; 389 struct list_head child_intfs; 390 struct list_head list; 391 392 #ifdef CONFIG_INFINIBAND_IPOIB_CM 393 struct ipoib_cm_dev_priv cm; 394 #endif 395 396 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 397 struct list_head fs_list; 398 struct dentry *mcg_dentry; 399 struct dentry *path_dentry; 400 #endif 401 int hca_caps; 402 struct ipoib_ethtool_st ethtool; 403 struct timer_list poll_timer; 404 }; 405 406 struct ipoib_ah { 407 struct ipoib_dev_priv *priv; 408 struct ib_ah *ah; 409 struct list_head list; 410 struct kref ref; 411 unsigned last_send; 412 }; 413 414 struct ipoib_path { 415 struct ipoib_dev_priv *priv; 416 struct rb_node rb_node; 417 struct list_head list; 418 #ifdef CONFIG_INFINIBAND_IPOIB_CM 419 uint8_t hwaddr[INFINIBAND_ALEN]; 420 struct ipoib_cm_tx *cm; 421 #endif 422 struct ipoib_ah *ah; 423 struct ib_sa_path_rec pathrec; 424 struct ifqueue queue; 425 426 int query_id; 427 struct ib_sa_query *query; 428 struct completion done; 429 430 int valid; 431 }; 432 433 /* UD Only transmits encap len but we want the two sizes to be symmetrical. */ 434 #define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) 435 #define IPOIB_CM_MTU(ib_mtu) (ib_mtu - 0x10) 436 437 #define IPOIB_IS_MULTICAST(addr) ((addr)[4] == 0xff) 438 439 extern struct workqueue_struct *ipoib_workqueue; 440 441 #define IPOIB_MTAP_PROTO(_ifp, _m, _proto) \ 442 do { \ 443 if (bpf_peers_present((_ifp)->if_bpf)) { \ 444 M_ASSERTVALID(_m); \ 445 ipoib_mtap_proto((_ifp), (_m), (_proto)); \ 446 } \ 447 } while (0) 448 449 /* functions */ 450 void ipoib_mtap_proto(struct ifnet *ifp, struct mbuf *mb, uint16_t proto); 451 void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 452 void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr); 453 454 struct ipoib_ah *ipoib_create_ah(struct ipoib_dev_priv *, 455 struct ib_pd *pd, struct ib_ah_attr *attr); 456 void ipoib_free_ah(struct kref *kref); 457 static inline void ipoib_put_ah(struct ipoib_ah *ah) 458 { 459 kref_put(&ah->ref, ipoib_free_ah); 460 } 461 462 int ipoib_open(struct ipoib_dev_priv *priv); 463 int ipoib_add_pkey_attr(struct ipoib_dev_priv *priv); 464 int ipoib_add_umcast_attr(struct ipoib_dev_priv *priv); 465 466 void ipoib_demux(struct ifnet *ifp, struct mbuf *m, u_short proto); 467 468 void ipoib_send(struct ipoib_dev_priv *priv, struct mbuf *mb, 469 struct ipoib_ah *address, u32 qpn); 470 void ipoib_reap_ah(struct work_struct *work); 471 472 void ipoib_mark_paths_invalid(struct ipoib_dev_priv *priv); 473 void ipoib_flush_paths(struct ipoib_dev_priv *priv); 474 struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); 475 476 int ipoib_ib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, 477 int port); 478 void ipoib_ib_dev_flush_light(struct work_struct *work); 479 void ipoib_ib_dev_flush_normal(struct work_struct *work); 480 void ipoib_ib_dev_flush_heavy(struct work_struct *work); 481 void ipoib_pkey_event(struct work_struct *work); 482 void ipoib_ib_dev_cleanup(struct ipoib_dev_priv *priv); 483 484 int ipoib_ib_dev_open(struct ipoib_dev_priv *priv); 485 int ipoib_ib_dev_up(struct ipoib_dev_priv *priv); 486 int ipoib_ib_dev_down(struct ipoib_dev_priv *priv, int flush); 487 int ipoib_ib_dev_stop(struct ipoib_dev_priv *priv, int flush); 488 489 int ipoib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, int port); 490 void ipoib_dev_cleanup(struct ipoib_dev_priv *priv); 491 492 void ipoib_mcast_join_task(struct work_struct *work); 493 void ipoib_mcast_carrier_on_task(struct work_struct *work); 494 void ipoib_mcast_send(struct ipoib_dev_priv *priv, void *mgid, struct mbuf *mb); 495 496 void ipoib_mcast_restart_task(struct work_struct *work); 497 void ipoib_mcast_restart(struct ipoib_dev_priv *); 498 int ipoib_mcast_start_thread(struct ipoib_dev_priv *priv); 499 int ipoib_mcast_stop_thread(struct ipoib_dev_priv *priv, int flush); 500 501 void ipoib_mcast_dev_down(struct ipoib_dev_priv *priv); 502 void ipoib_mcast_dev_flush(struct ipoib_dev_priv *priv); 503 504 void ipoib_path_free(struct ipoib_dev_priv *priv, struct ipoib_path *path); 505 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 506 struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct ipoib_dev_priv *priv); 507 int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 508 void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 509 union ib_gid *gid, 510 unsigned long *created, 511 unsigned int *queuelen, 512 unsigned int *complete, 513 unsigned int *send_only); 514 515 struct ipoib_path_iter *ipoib_path_iter_init(struct ipoib_dev_priv *priv); 516 int ipoib_path_iter_next(struct ipoib_path_iter *iter); 517 void ipoib_path_iter_read(struct ipoib_path_iter *iter, 518 struct ipoib_path *path); 519 #endif 520 521 int ipoib_change_mtu(struct ipoib_dev_priv *priv, int new_mtu, bool propagate); 522 523 int ipoib_mcast_attach(struct ipoib_dev_priv *priv, u16 mlid, 524 union ib_gid *mgid, int set_qkey); 525 526 int ipoib_init_qp(struct ipoib_dev_priv *priv); 527 int ipoib_transport_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca); 528 void ipoib_transport_dev_cleanup(struct ipoib_dev_priv *priv); 529 530 void ipoib_event(struct ib_event_handler *handler, 531 struct ib_event *record); 532 533 void ipoib_pkey_poll(struct work_struct *work); 534 int ipoib_pkey_dev_delay_open(struct ipoib_dev_priv *priv); 535 void ipoib_drain_cq(struct ipoib_dev_priv *priv); 536 537 int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req, int max); 538 void ipoib_dma_unmap_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); 539 int ipoib_poll_tx(struct ipoib_dev_priv *priv); 540 541 void ipoib_dma_unmap_rx(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req); 542 void ipoib_dma_mb(struct ipoib_dev_priv *priv, struct mbuf *mb, unsigned int length); 543 struct mbuf *ipoib_alloc_map_mb(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req, int size); 544 545 546 void ipoib_set_ethtool_ops(struct ifnet *dev); 547 int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca); 548 549 #ifdef CONFIG_INFINIBAND_IPOIB_CM 550 551 #define IPOIB_FLAGS_RC 0x80 552 #define IPOIB_FLAGS_UC 0x40 553 554 /* We don't support UC connections at the moment */ 555 #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 556 557 extern int ipoib_max_conn_qp; 558 559 static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 560 { 561 return IPOIB_CM_SUPPORTED(IF_LLADDR(priv->dev)); 562 } 563 564 static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 565 { 566 return IPOIB_CM_SUPPORTED(hwaddr); 567 } 568 569 static inline int ipoib_cm_up(struct ipoib_path *path) 570 571 { 572 return test_bit(IPOIB_FLAG_OPER_UP, &path->cm->flags); 573 } 574 575 static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 576 { 577 return path->cm; 578 } 579 580 static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 581 { 582 path->cm = tx; 583 } 584 585 static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 586 { 587 return !!priv->cm.srq; 588 } 589 590 static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 591 { 592 return priv->cm.max_cm_mtu; 593 } 594 595 void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx); 596 int ipoib_cm_dev_open(struct ipoib_dev_priv *priv); 597 void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv); 598 int ipoib_cm_dev_init(struct ipoib_dev_priv *priv); 599 int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv); 600 void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv); 601 struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, 602 struct ipoib_path *path); 603 void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 604 void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 605 unsigned int mtu); 606 void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 607 void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 608 #else 609 610 struct ipoib_cm_tx; 611 612 #define ipoib_max_conn_qp 0 613 614 static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 615 { 616 return 0; 617 } 618 static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 619 620 { 621 return 0; 622 } 623 624 static inline int ipoib_cm_up(struct ipoib_path *path) 625 626 { 627 return 0; 628 } 629 630 static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 631 { 632 return NULL; 633 } 634 635 static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 636 { 637 } 638 639 static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 640 { 641 return 0; 642 } 643 644 static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 645 { 646 return 0; 647 } 648 649 static inline 650 void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx) 651 { 652 return; 653 } 654 655 static inline 656 int ipoib_cm_dev_open(struct ipoib_dev_priv *priv) 657 { 658 return 0; 659 } 660 661 static inline 662 void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv) 663 { 664 return; 665 } 666 667 static inline 668 int ipoib_cm_dev_init(struct ipoib_dev_priv *priv) 669 { 670 return -ENOSYS; 671 } 672 673 static inline 674 void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv) 675 { 676 return; 677 } 678 679 static inline 680 struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, struct ipoib_path *path) 681 { 682 return NULL; 683 } 684 685 static inline 686 void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 687 { 688 return; 689 } 690 691 static inline 692 int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv) 693 { 694 return 0; 695 } 696 697 static inline void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 698 unsigned int mtu) 699 { 700 m_freem(mb); 701 } 702 703 static inline void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 704 { 705 } 706 707 static inline void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 708 { 709 } 710 #endif 711 712 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 713 void ipoib_create_debug_files(struct ipoib_dev_priv *priv); 714 void ipoib_delete_debug_files(struct ipoib_dev_priv *priv); 715 int ipoib_register_debugfs(void); 716 void ipoib_unregister_debugfs(void); 717 #else 718 static inline void ipoib_create_debug_files(struct ipoib_dev_priv *priv) { } 719 static inline void ipoib_delete_debug_files(struct ipoib_dev_priv *priv) { } 720 static inline int ipoib_register_debugfs(void) { return 0; } 721 static inline void ipoib_unregister_debugfs(void) { } 722 #endif 723 724 #define ipoib_printk(level, priv, format, arg...) \ 725 printk(level "%s: " format, if_name(((struct ipoib_dev_priv *) priv)->dev), ## arg) 726 #define ipoib_warn(priv, format, arg...) \ 727 ipoib_printk(KERN_WARNING, priv, format , ## arg) 728 729 extern int ipoib_sendq_size; 730 extern int ipoib_recvq_size; 731 732 extern struct ib_sa_client ipoib_sa_client; 733 734 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 735 extern int ipoib_debug_level; 736 737 #define ipoib_dbg(priv, format, arg...) \ 738 do { \ 739 if (ipoib_debug_level > 0) \ 740 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 741 } while (0) 742 #define ipoib_dbg_mcast(priv, format, arg...) \ 743 do { \ 744 if (mcast_debug_level > 0) \ 745 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 746 } while (0) 747 #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 748 #define ipoib_dbg(priv, format, arg...) \ 749 do { (void) (priv); } while (0) 750 #define ipoib_dbg_mcast(priv, format, arg...) \ 751 do { (void) (priv); } while (0) 752 #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 753 754 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 755 #define ipoib_dbg_data(priv, format, arg...) \ 756 do { \ 757 if (data_debug_level > 0) \ 758 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 759 } while (0) 760 #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 761 #define ipoib_dbg_data(priv, format, arg...) \ 762 do { (void) (priv); } while (0) 763 #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 764 765 #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 766 767 #endif /* _IPOIB_H */ 768