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