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 = 2, /* packet header and one cluster */ 121 IPOIB_UD_TX_SG = (IPOIB_UD_MAX_MTU / MCLBYTES) + 2, 122 IPOIB_CM_MAX_MTU = (64 * 1024), 123 IPOIB_CM_TX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2, 124 IPOIB_CM_RX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2, 125 IPOIB_RX_RING_SIZE = 256, 126 IPOIB_TX_RING_SIZE = 128, 127 IPOIB_MAX_RX_SG = MAX(IPOIB_CM_RX_SG, IPOIB_UD_RX_SG), 128 IPOIB_MAX_TX_SG = MAX(IPOIB_CM_TX_SG, IPOIB_UD_TX_SG), 129 IPOIB_MAX_QUEUE_SIZE = 8192, 130 IPOIB_MIN_QUEUE_SIZE = 2, 131 IPOIB_CM_MAX_CONN_QP = 4096, 132 133 IPOIB_NUM_WC = 4, 134 135 IPOIB_MAX_PATH_REC_QUEUE = 16, 136 IPOIB_MAX_MCAST_QUEUE = 16, 137 138 IPOIB_FLAG_OPER_UP = 0, 139 IPOIB_FLAG_INITIALIZED = 1, 140 IPOIB_FLAG_ADMIN_UP = 2, 141 IPOIB_PKEY_ASSIGNED = 3, 142 IPOIB_PKEY_STOP = 4, 143 IPOIB_FLAG_SUBINTERFACE = 5, 144 IPOIB_MCAST_RUN = 6, 145 IPOIB_STOP_REAPER = 7, 146 IPOIB_FLAG_UMCAST = 10, 147 IPOIB_FLAG_CSUM = 11, 148 149 IPOIB_MAX_BACKOFF_SECONDS = 16, 150 151 IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 152 IPOIB_MCAST_FLAG_SENDONLY = 1, 153 IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ 154 IPOIB_MCAST_FLAG_ATTACHED = 3, 155 156 IPOIB_MAX_LRO_DESCRIPTORS = 8, 157 IPOIB_LRO_MAX_AGGR = 64, 158 159 MAX_SEND_CQE = 16, 160 IPOIB_CM_COPYBREAK = 256, 161 }; 162 163 #define IPOIB_OP_RECV (1ul << 31) 164 #ifdef CONFIG_INFINIBAND_IPOIB_CM 165 #define IPOIB_OP_CM (1ul << 30) 166 #else 167 #define IPOIB_OP_CM (0) 168 #endif 169 170 /* structs */ 171 172 struct ipoib_header { 173 u8 hwaddr[INFINIBAND_ALEN]; 174 __be16 proto; 175 u16 reserved; 176 }; 177 178 struct ipoib_pseudoheader { 179 u8 hwaddr[INFINIBAND_ALEN]; 180 }; 181 182 /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 183 struct ipoib_mcast { 184 struct ib_sa_mcmember_rec mcmember; 185 struct ib_sa_multicast *mc; 186 struct ipoib_ah *ah; 187 188 struct rb_node rb_node; 189 struct list_head list; 190 191 unsigned long created; 192 unsigned long backoff; 193 194 unsigned long flags; 195 unsigned char logcount; 196 197 struct ifqueue pkt_queue; 198 199 struct ipoib_dev_priv *priv; 200 }; 201 202 struct ipoib_cm_rx_buf { 203 struct mbuf *mb; 204 u64 mapping[IPOIB_CM_RX_SG]; 205 }; 206 207 struct ipoib_cm_tx_buf { 208 struct mbuf *mb; 209 u64 mapping[IPOIB_CM_TX_SG]; 210 }; 211 212 struct ipoib_rx_buf { 213 struct mbuf *mb; 214 u64 mapping[IPOIB_UD_RX_SG]; 215 }; 216 217 struct ipoib_tx_buf { 218 struct mbuf *mb; 219 u64 mapping[IPOIB_UD_TX_SG]; 220 }; 221 222 struct ib_cm_id; 223 224 struct ipoib_cm_data { 225 __be32 qpn; /* High byte MUST be ignored on receive */ 226 __be32 mtu; 227 }; 228 229 /* 230 * Quoting 10.3.1 Queue Pair and EE Context States: 231 * 232 * Note, for QPs that are associated with an SRQ, the Consumer should take the 233 * QP through the Error State before invoking a Destroy QP or a Modify QP to the 234 * Reset State. The Consumer may invoke the Destroy QP without first performing 235 * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 236 * Last WQE Reached Event. However, if the Consumer does not wait for the 237 * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 238 * leakage may occur. Therefore, it is good programming practice to tear down a 239 * QP that is associated with an SRQ by using the following process: 240 * 241 * - Put the QP in the Error State 242 * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 243 * - either: 244 * drain the CQ by invoking the Poll CQ verb and either wait for CQ 245 * to be empty or the number of Poll CQ operations has exceeded 246 * CQ capacity size; 247 * - or 248 * post another WR that completes on the same CQ and wait for this 249 * WR to return as a WC; 250 * - and then invoke a Destroy QP or Reset QP. 251 * 252 * We use the second option and wait for a completion on the 253 * same CQ before destroying QPs attached to our SRQ. 254 */ 255 256 enum ipoib_cm_state { 257 IPOIB_CM_RX_LIVE, 258 IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 259 IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 260 }; 261 262 struct ipoib_cm_rx { 263 struct ib_cm_id *id; 264 struct ib_qp *qp; 265 struct ipoib_cm_rx_buf *rx_ring; 266 struct list_head list; 267 struct ipoib_dev_priv *priv; 268 unsigned long jiffies; 269 enum ipoib_cm_state state; 270 int recv_count; 271 }; 272 273 struct ipoib_cm_tx { 274 struct ib_cm_id *id; 275 struct ib_qp *qp; 276 struct list_head list; 277 struct ipoib_dev_priv *priv; 278 struct ipoib_path *path; 279 struct ipoib_cm_tx_buf *tx_ring; 280 unsigned tx_head; 281 unsigned tx_tail; 282 unsigned long flags; 283 u32 mtu; /* remote specified mtu, with grh. */ 284 }; 285 286 struct ipoib_cm_dev_priv { 287 struct ib_srq *srq; 288 struct ipoib_cm_rx_buf *srq_ring; 289 struct ib_cm_id *id; 290 struct list_head passive_ids; /* state: LIVE */ 291 struct list_head rx_error_list; /* state: ERROR */ 292 struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 293 struct list_head rx_drain_list; /* state: FLUSH, drain started */ 294 struct list_head rx_reap_list; /* state: FLUSH, drain done */ 295 struct work_struct start_task; 296 struct work_struct reap_task; 297 struct work_struct mb_task; 298 struct work_struct rx_reap_task; 299 struct delayed_work stale_task; 300 struct ifqueue mb_queue; 301 struct list_head start_list; 302 struct list_head reap_list; 303 struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 304 struct ib_recv_wr rx_wr; 305 int nonsrq_conn_qp; 306 int max_cm_mtu; /* Actual buf size. */ 307 int num_frags; 308 }; 309 310 struct ipoib_ethtool_st { 311 u16 coalesce_usecs; 312 u16 max_coalesced_frames; 313 }; 314 315 /* 316 * Device private locking: network stack tx_lock protects members used 317 * in TX fast path, lock protects everything else. lock nests inside 318 * of tx_lock (ie tx_lock must be acquired first if needed). 319 */ 320 struct ipoib_dev_priv { 321 spinlock_t lock; 322 spinlock_t drain_lock; 323 324 struct ifnet *dev; 325 326 u8 broadcastaddr[INFINIBAND_ALEN]; 327 328 unsigned long flags; 329 330 int gone; 331 int unit; 332 333 struct mutex vlan_mutex; 334 335 struct rb_root path_tree; 336 struct list_head path_list; 337 338 struct ipoib_mcast *broadcast; 339 struct list_head multicast_list; 340 struct rb_root multicast_tree; 341 342 struct delayed_work pkey_poll_task; 343 struct delayed_work mcast_task; 344 struct work_struct carrier_on_task; 345 struct work_struct flush_light; 346 struct work_struct flush_normal; 347 struct work_struct flush_heavy; 348 struct work_struct restart_task; 349 struct delayed_work ah_reap_task; 350 351 struct ib_device *ca; 352 u8 port; 353 u16 pkey; 354 u16 pkey_index; 355 struct ib_pd *pd; 356 struct ib_cq *recv_cq; 357 struct ib_cq *send_cq; 358 struct ib_qp *qp; 359 u32 qkey; 360 361 union ib_gid local_gid; 362 u16 local_lid; 363 364 unsigned int admin_mtu; /* User selected MTU, no GRH. */ 365 unsigned int mcast_mtu; /* Minus GRH bytes, from mcast group. */ 366 unsigned int max_ib_mtu; /* Without header, actual buf size. */ 367 368 struct ipoib_rx_buf *rx_ring; 369 370 struct ipoib_tx_buf *tx_ring; 371 unsigned tx_head; 372 unsigned tx_tail; 373 struct ib_sge tx_sge[IPOIB_MAX_TX_SG]; 374 struct ib_ud_wr tx_wr; 375 unsigned tx_outstanding; 376 struct ib_wc send_wc[MAX_SEND_CQE]; 377 378 struct ib_recv_wr rx_wr; 379 struct ib_sge rx_sge[IPOIB_MAX_RX_SG]; 380 381 struct ib_wc ibwc[IPOIB_NUM_WC]; 382 383 struct list_head dead_ahs; 384 385 struct ib_event_handler event_handler; 386 387 struct ifnet *parent; 388 struct list_head child_intfs; 389 struct list_head list; 390 391 #ifdef CONFIG_INFINIBAND_IPOIB_CM 392 struct ipoib_cm_dev_priv cm; 393 #endif 394 395 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 396 struct list_head fs_list; 397 struct dentry *mcg_dentry; 398 struct dentry *path_dentry; 399 #endif 400 int hca_caps; 401 struct ipoib_ethtool_st ethtool; 402 struct timer_list poll_timer; 403 }; 404 405 struct ipoib_ah { 406 struct ipoib_dev_priv *priv; 407 struct ib_ah *ah; 408 struct list_head list; 409 struct kref ref; 410 unsigned last_send; 411 }; 412 413 struct ipoib_path { 414 struct ipoib_dev_priv *priv; 415 struct rb_node rb_node; 416 struct list_head list; 417 #ifdef CONFIG_INFINIBAND_IPOIB_CM 418 uint8_t hwaddr[INFINIBAND_ALEN]; 419 struct ipoib_cm_tx *cm; 420 #endif 421 struct ipoib_ah *ah; 422 struct ib_sa_path_rec pathrec; 423 struct ifqueue queue; 424 425 int query_id; 426 struct ib_sa_query *query; 427 struct completion done; 428 429 int valid; 430 }; 431 432 /* UD Only transmits encap len but we want the two sizes to be symmetrical. */ 433 #define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) 434 #define IPOIB_CM_MTU(ib_mtu) (ib_mtu - 0x10) 435 436 #define IPOIB_IS_MULTICAST(addr) ((addr)[4] == 0xff) 437 438 extern struct workqueue_struct *ipoib_workqueue; 439 440 /* functions */ 441 void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 442 void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr); 443 444 struct ipoib_ah *ipoib_create_ah(struct ipoib_dev_priv *, 445 struct ib_pd *pd, struct ib_ah_attr *attr); 446 void ipoib_free_ah(struct kref *kref); 447 static inline void ipoib_put_ah(struct ipoib_ah *ah) 448 { 449 kref_put(&ah->ref, ipoib_free_ah); 450 } 451 452 int ipoib_open(struct ipoib_dev_priv *priv); 453 int ipoib_add_pkey_attr(struct ipoib_dev_priv *priv); 454 int ipoib_add_umcast_attr(struct ipoib_dev_priv *priv); 455 456 void ipoib_send(struct ipoib_dev_priv *priv, struct mbuf *mb, 457 struct ipoib_ah *address, u32 qpn); 458 void ipoib_reap_ah(struct work_struct *work); 459 460 void ipoib_mark_paths_invalid(struct ipoib_dev_priv *priv); 461 void ipoib_flush_paths(struct ipoib_dev_priv *priv); 462 struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); 463 464 int ipoib_ib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, 465 int port); 466 void ipoib_ib_dev_flush_light(struct work_struct *work); 467 void ipoib_ib_dev_flush_normal(struct work_struct *work); 468 void ipoib_ib_dev_flush_heavy(struct work_struct *work); 469 void ipoib_pkey_event(struct work_struct *work); 470 void ipoib_ib_dev_cleanup(struct ipoib_dev_priv *priv); 471 472 int ipoib_ib_dev_open(struct ipoib_dev_priv *priv); 473 int ipoib_ib_dev_up(struct ipoib_dev_priv *priv); 474 int ipoib_ib_dev_down(struct ipoib_dev_priv *priv, int flush); 475 int ipoib_ib_dev_stop(struct ipoib_dev_priv *priv, int flush); 476 477 int ipoib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, int port); 478 void ipoib_dev_cleanup(struct ipoib_dev_priv *priv); 479 480 void ipoib_mcast_join_task(struct work_struct *work); 481 void ipoib_mcast_carrier_on_task(struct work_struct *work); 482 void ipoib_mcast_send(struct ipoib_dev_priv *priv, void *mgid, struct mbuf *mb); 483 484 void ipoib_mcast_restart_task(struct work_struct *work); 485 void ipoib_mcast_restart(struct ipoib_dev_priv *); 486 int ipoib_mcast_start_thread(struct ipoib_dev_priv *priv); 487 int ipoib_mcast_stop_thread(struct ipoib_dev_priv *priv, int flush); 488 489 void ipoib_mcast_dev_down(struct ipoib_dev_priv *priv); 490 void ipoib_mcast_dev_flush(struct ipoib_dev_priv *priv); 491 492 void ipoib_path_free(struct ipoib_dev_priv *priv, struct ipoib_path *path); 493 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 494 struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct ipoib_dev_priv *priv); 495 int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 496 void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 497 union ib_gid *gid, 498 unsigned long *created, 499 unsigned int *queuelen, 500 unsigned int *complete, 501 unsigned int *send_only); 502 503 struct ipoib_path_iter *ipoib_path_iter_init(struct ipoib_dev_priv *priv); 504 int ipoib_path_iter_next(struct ipoib_path_iter *iter); 505 void ipoib_path_iter_read(struct ipoib_path_iter *iter, 506 struct ipoib_path *path); 507 #endif 508 509 int ipoib_change_mtu(struct ipoib_dev_priv *priv, int new_mtu, bool propagate); 510 511 int ipoib_mcast_attach(struct ipoib_dev_priv *priv, u16 mlid, 512 union ib_gid *mgid, int set_qkey); 513 514 int ipoib_init_qp(struct ipoib_dev_priv *priv); 515 int ipoib_transport_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca); 516 void ipoib_transport_dev_cleanup(struct ipoib_dev_priv *priv); 517 518 void ipoib_event(struct ib_event_handler *handler, 519 struct ib_event *record); 520 521 void ipoib_pkey_poll(struct work_struct *work); 522 int ipoib_pkey_dev_delay_open(struct ipoib_dev_priv *priv); 523 void ipoib_drain_cq(struct ipoib_dev_priv *priv); 524 525 int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req, int max); 526 void ipoib_dma_unmap_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); 527 int ipoib_poll_tx(struct ipoib_dev_priv *priv, bool do_start); 528 529 void ipoib_dma_unmap_rx(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req); 530 void ipoib_dma_mb(struct ipoib_dev_priv *priv, struct mbuf *mb, unsigned int length); 531 struct mbuf *ipoib_alloc_map_mb(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req, int align, int size, int max_frags); 532 533 534 void ipoib_set_ethtool_ops(struct ifnet *dev); 535 int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca); 536 537 #ifdef CONFIG_INFINIBAND_IPOIB_CM 538 539 #define IPOIB_FLAGS_RC 0x80 540 #define IPOIB_FLAGS_UC 0x40 541 542 /* We don't support UC connections at the moment */ 543 #define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 544 545 extern int ipoib_max_conn_qp; 546 547 static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 548 { 549 return IPOIB_CM_SUPPORTED(IF_LLADDR(priv->dev)); 550 } 551 552 static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 553 { 554 return IPOIB_CM_SUPPORTED(hwaddr); 555 } 556 557 static inline int ipoib_cm_up(struct ipoib_path *path) 558 559 { 560 return test_bit(IPOIB_FLAG_OPER_UP, &path->cm->flags); 561 } 562 563 static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 564 { 565 return path->cm; 566 } 567 568 static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 569 { 570 path->cm = tx; 571 } 572 573 static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 574 { 575 return !!priv->cm.srq; 576 } 577 578 static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 579 { 580 return priv->cm.max_cm_mtu; 581 } 582 583 void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx); 584 int ipoib_cm_dev_open(struct ipoib_dev_priv *priv); 585 void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv); 586 int ipoib_cm_dev_init(struct ipoib_dev_priv *priv); 587 int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv); 588 void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv); 589 struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, 590 struct ipoib_path *path); 591 void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 592 void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 593 unsigned int mtu); 594 void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 595 void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 596 #else 597 598 struct ipoib_cm_tx; 599 600 #define ipoib_max_conn_qp 0 601 602 static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 603 { 604 return 0; 605 } 606 static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 607 608 { 609 return 0; 610 } 611 612 static inline int ipoib_cm_up(struct ipoib_path *path) 613 614 { 615 return 0; 616 } 617 618 static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 619 { 620 return NULL; 621 } 622 623 static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 624 { 625 } 626 627 static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 628 { 629 return 0; 630 } 631 632 static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 633 { 634 return 0; 635 } 636 637 static inline 638 void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx) 639 { 640 return; 641 } 642 643 static inline 644 int ipoib_cm_dev_open(struct ipoib_dev_priv *priv) 645 { 646 return 0; 647 } 648 649 static inline 650 void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv) 651 { 652 return; 653 } 654 655 static inline 656 int ipoib_cm_dev_init(struct ipoib_dev_priv *priv) 657 { 658 return -ENOSYS; 659 } 660 661 static inline 662 void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv) 663 { 664 return; 665 } 666 667 static inline 668 struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, struct ipoib_path *path) 669 { 670 return NULL; 671 } 672 673 static inline 674 void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 675 { 676 return; 677 } 678 679 static inline 680 int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv) 681 { 682 return 0; 683 } 684 685 static inline void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 686 unsigned int mtu) 687 { 688 m_freem(mb); 689 } 690 691 static inline void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 692 { 693 } 694 695 static inline void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 696 { 697 } 698 #endif 699 700 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 701 void ipoib_create_debug_files(struct ipoib_dev_priv *priv); 702 void ipoib_delete_debug_files(struct ipoib_dev_priv *priv); 703 int ipoib_register_debugfs(void); 704 void ipoib_unregister_debugfs(void); 705 #else 706 static inline void ipoib_create_debug_files(struct ipoib_dev_priv *priv) { } 707 static inline void ipoib_delete_debug_files(struct ipoib_dev_priv *priv) { } 708 static inline int ipoib_register_debugfs(void) { return 0; } 709 static inline void ipoib_unregister_debugfs(void) { } 710 #endif 711 712 #define ipoib_printk(level, priv, format, arg...) \ 713 printk(level "%s: " format, if_name(((struct ipoib_dev_priv *) priv)->dev), ## arg) 714 #define ipoib_warn(priv, format, arg...) \ 715 ipoib_printk(KERN_WARNING, priv, format , ## arg) 716 717 extern int ipoib_sendq_size; 718 extern int ipoib_recvq_size; 719 720 extern struct ib_sa_client ipoib_sa_client; 721 722 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 723 extern int ipoib_debug_level; 724 725 #define ipoib_dbg(priv, format, arg...) \ 726 do { \ 727 if (ipoib_debug_level > 0) \ 728 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 729 } while (0) 730 #define ipoib_dbg_mcast(priv, format, arg...) \ 731 do { \ 732 if (mcast_debug_level > 0) \ 733 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 734 } while (0) 735 #else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 736 #define ipoib_dbg(priv, format, arg...) \ 737 do { (void) (priv); } while (0) 738 #define ipoib_dbg_mcast(priv, format, arg...) \ 739 do { (void) (priv); } while (0) 740 #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 741 742 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 743 #define ipoib_dbg_data(priv, format, arg...) \ 744 do { \ 745 if (data_debug_level > 0) \ 746 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 747 } while (0) 748 #else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 749 #define ipoib_dbg_data(priv, format, arg...) \ 750 do { (void) (priv); } while (0) 751 #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 752 753 #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 754 755 void ipoib_start_locked(struct ifnet *, struct ipoib_dev_priv *); 756 757 #endif /* _IPOIB_H */ 758