ipoib.h revision 324685
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#define LINUXKPI_PARAM_PREFIX ipoib_ 39 40#include "opt_inet.h" 41#include "opt_inet6.h" 42#include "opt_ofed.h" 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/kernel.h> 47#include <sys/lock.h> 48#include <sys/malloc.h> 49#include <sys/mbuf.h> 50#include <sys/random.h> 51#include <sys/rwlock.h> 52#include <sys/socket.h> 53#include <sys/sockio.h> 54#include <sys/sysctl.h> 55 56#include <net/if.h> 57#include <net/if_arp.h> 58#include <net/netisr.h> 59#include <net/route.h> 60#include <net/if_llc.h> 61#include <net/if_dl.h> 62#include <net/if_types.h> 63#include <net/bpf.h> 64#include <net/if_llatbl.h> 65#include <net/vnet.h> 66 67#if defined(INET) || defined(INET6) 68#include <netinet/in.h> 69#include <netinet/in_var.h> 70#include <netinet/if_ether.h> 71#include <netinet/ip_var.h> 72#endif 73#ifdef INET6 74#include <netinet6/nd6.h> 75#endif 76 77#include <security/mac/mac_framework.h> 78 79#include <linux/list.h> 80 81#include <linux/workqueue.h> 82#include <linux/kref.h> 83#include <linux/mutex.h> 84 85#include <asm/atomic.h> 86 87#include <rdma/ib_verbs.h> 88#include <rdma/ib_pack.h> 89#include <rdma/ib_sa.h> 90 91/* constants */ 92 93#define INFINIBAND_ALEN 20 /* Octets in IPoIB HW addr */ 94 95#ifdef IPOIB_CM 96#define CONFIG_INFINIBAND_IPOIB_CM 97#endif 98 99#ifdef IPOIB_DEBUG 100#define CONFIG_INFINIBAND_IPOIB_DEBUG 101#define CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 102#endif 103 104enum ipoib_flush_level { 105 IPOIB_FLUSH_LIGHT, 106 IPOIB_FLUSH_NORMAL, 107 IPOIB_FLUSH_HEAVY 108}; 109 110enum { 111 IPOIB_ENCAP_LEN = 4, 112 IPOIB_HEADER_LEN = IPOIB_ENCAP_LEN + INFINIBAND_ALEN, 113 IPOIB_UD_MAX_MTU = 4 * 1024, 114// IPOIB_UD_RX_SG = (IPOIB_UD_MAX_MTU / MJUMPAGESIZE), 115 IPOIB_UD_RX_SG = 2, 116 IPOIB_UD_TX_SG = (IPOIB_UD_MAX_MTU / MCLBYTES) + 2, 117 IPOIB_CM_MAX_MTU = (64 * 1024), 118 IPOIB_CM_TX_SG = (IPOIB_CM_MAX_MTU / MCLBYTES) + 2, 119 IPOIB_CM_RX_SG = (IPOIB_CM_MAX_MTU / MJUMPAGESIZE), 120 IPOIB_RX_RING_SIZE = 256, 121 IPOIB_TX_RING_SIZE = 128, 122 IPOIB_MAX_RX_SG = MAX(IPOIB_CM_RX_SG, IPOIB_UD_RX_SG), 123 IPOIB_MAX_TX_SG = MAX(IPOIB_CM_TX_SG, IPOIB_UD_TX_SG), 124 IPOIB_MAX_QUEUE_SIZE = 8192, 125 IPOIB_MIN_QUEUE_SIZE = 2, 126 IPOIB_CM_MAX_CONN_QP = 4096, 127 128 IPOIB_NUM_WC = 4, 129 130 IPOIB_MAX_PATH_REC_QUEUE = 3, 131 IPOIB_MAX_MCAST_QUEUE = 3, 132 133 IPOIB_FLAG_OPER_UP = 0, 134 IPOIB_FLAG_INITIALIZED = 1, 135 IPOIB_FLAG_ADMIN_UP = 2, 136 IPOIB_PKEY_ASSIGNED = 3, 137 IPOIB_PKEY_STOP = 4, 138 IPOIB_FLAG_SUBINTERFACE = 5, 139 IPOIB_MCAST_RUN = 6, 140 IPOIB_STOP_REAPER = 7, 141 IPOIB_FLAG_UMCAST = 10, 142 IPOIB_FLAG_CSUM = 11, 143 144 IPOIB_MAX_BACKOFF_SECONDS = 16, 145 146 IPOIB_MCAST_FLAG_FOUND = 0, /* used in set_multicast_list */ 147 IPOIB_MCAST_FLAG_SENDONLY = 1, 148 IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */ 149 IPOIB_MCAST_FLAG_ATTACHED = 3, 150 151 IPOIB_MAX_LRO_DESCRIPTORS = 8, 152 IPOIB_LRO_MAX_AGGR = 64, 153 154 MAX_SEND_CQE = 16, 155 IPOIB_CM_COPYBREAK = 256, 156}; 157 158#define IPOIB_OP_RECV (1ul << 31) 159#ifdef CONFIG_INFINIBAND_IPOIB_CM 160#define IPOIB_OP_CM (1ul << 30) 161#else 162#define IPOIB_OP_CM (0) 163#endif 164 165/* structs */ 166 167struct ipoib_header { 168 u8 hwaddr[INFINIBAND_ALEN]; 169 __be16 proto; 170 u16 reserved; 171}; 172 173struct ipoib_pseudoheader { 174 u8 hwaddr[INFINIBAND_ALEN]; 175}; 176 177/* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ 178struct ipoib_mcast { 179 struct ib_sa_mcmember_rec mcmember; 180 struct ib_sa_multicast *mc; 181 struct ipoib_ah *ah; 182 183 struct rb_node rb_node; 184 struct list_head list; 185 186 unsigned long created; 187 unsigned long backoff; 188 189 unsigned long flags; 190 unsigned char logcount; 191 192 struct ifqueue pkt_queue; 193 194 struct ipoib_dev_priv *priv; 195}; 196 197struct ipoib_cm_rx_buf { 198 struct mbuf *mb; 199 u64 mapping[IPOIB_CM_RX_SG]; 200}; 201 202struct ipoib_cm_tx_buf { 203 struct mbuf *mb; 204 u64 mapping[IPOIB_CM_TX_SG]; 205}; 206 207struct ipoib_rx_buf { 208 struct mbuf *mb; 209 u64 mapping[IPOIB_UD_RX_SG]; 210}; 211 212struct ipoib_tx_buf { 213 struct mbuf *mb; 214 u64 mapping[IPOIB_UD_TX_SG]; 215}; 216 217struct ib_cm_id; 218 219struct ipoib_cm_data { 220 __be32 qpn; /* High byte MUST be ignored on receive */ 221 __be32 mtu; 222}; 223 224/* 225 * Quoting 10.3.1 Queue Pair and EE Context States: 226 * 227 * Note, for QPs that are associated with an SRQ, the Consumer should take the 228 * QP through the Error State before invoking a Destroy QP or a Modify QP to the 229 * Reset State. The Consumer may invoke the Destroy QP without first performing 230 * a Modify QP to the Error State and waiting for the Affiliated Asynchronous 231 * Last WQE Reached Event. However, if the Consumer does not wait for the 232 * Affiliated Asynchronous Last WQE Reached Event, then WQE and Data Segment 233 * leakage may occur. Therefore, it is good programming practice to tear down a 234 * QP that is associated with an SRQ by using the following process: 235 * 236 * - Put the QP in the Error State 237 * - Wait for the Affiliated Asynchronous Last WQE Reached Event; 238 * - either: 239 * drain the CQ by invoking the Poll CQ verb and either wait for CQ 240 * to be empty or the number of Poll CQ operations has exceeded 241 * CQ capacity size; 242 * - or 243 * post another WR that completes on the same CQ and wait for this 244 * WR to return as a WC; 245 * - and then invoke a Destroy QP or Reset QP. 246 * 247 * We use the second option and wait for a completion on the 248 * same CQ before destroying QPs attached to our SRQ. 249 */ 250 251enum ipoib_cm_state { 252 IPOIB_CM_RX_LIVE, 253 IPOIB_CM_RX_ERROR, /* Ignored by stale task */ 254 IPOIB_CM_RX_FLUSH /* Last WQE Reached event observed */ 255}; 256 257struct ipoib_cm_rx { 258 struct ib_cm_id *id; 259 struct ib_qp *qp; 260 struct ipoib_cm_rx_buf *rx_ring; 261 struct list_head list; 262 struct ipoib_dev_priv *priv; 263 unsigned long jiffies; 264 enum ipoib_cm_state state; 265 int recv_count; 266}; 267 268struct ipoib_cm_tx { 269 struct ib_cm_id *id; 270 struct ib_qp *qp; 271 struct list_head list; 272 struct ipoib_dev_priv *priv; 273 struct ipoib_path *path; 274 struct ipoib_cm_tx_buf *tx_ring; 275 unsigned tx_head; 276 unsigned tx_tail; 277 unsigned long flags; 278 u32 mtu; /* remote specified mtu, with grh. */ 279}; 280 281struct ipoib_cm_dev_priv { 282 struct ib_srq *srq; 283 struct ipoib_cm_rx_buf *srq_ring; 284 struct ib_cm_id *id; 285 struct list_head passive_ids; /* state: LIVE */ 286 struct list_head rx_error_list; /* state: ERROR */ 287 struct list_head rx_flush_list; /* state: FLUSH, drain not started */ 288 struct list_head rx_drain_list; /* state: FLUSH, drain started */ 289 struct list_head rx_reap_list; /* state: FLUSH, drain done */ 290 struct work_struct start_task; 291 struct work_struct reap_task; 292 struct work_struct mb_task; 293 struct work_struct rx_reap_task; 294 struct delayed_work stale_task; 295 struct ifqueue mb_queue; 296 struct list_head start_list; 297 struct list_head reap_list; 298 struct ib_sge rx_sge[IPOIB_CM_RX_SG]; 299 struct ib_recv_wr rx_wr; 300 int nonsrq_conn_qp; 301 int max_cm_mtu; /* Actual buf size. */ 302 int num_frags; 303}; 304 305struct ipoib_ethtool_st { 306 u16 coalesce_usecs; 307 u16 max_coalesced_frames; 308}; 309 310/* 311 * Device private locking: network stack tx_lock protects members used 312 * in TX fast path, lock protects everything else. lock nests inside 313 * of tx_lock (ie tx_lock must be acquired first if needed). 314 */ 315struct ipoib_dev_priv { 316 spinlock_t lock; 317 318 struct ifnet *dev; 319 320 u8 broadcastaddr[INFINIBAND_ALEN]; 321 322 unsigned long flags; 323 324 int gone; 325 326 struct mutex vlan_mutex; 327 328 struct rb_root path_tree; 329 struct list_head path_list; 330 331 struct ipoib_mcast *broadcast; 332 struct list_head multicast_list; 333 struct rb_root multicast_tree; 334 335 struct delayed_work pkey_poll_task; 336 struct delayed_work mcast_task; 337 struct work_struct carrier_on_task; 338 struct work_struct flush_light; 339 struct work_struct flush_normal; 340 struct work_struct flush_heavy; 341 struct work_struct restart_task; 342 struct delayed_work ah_reap_task; 343 344 struct ib_device *ca; 345 u8 port; 346 u16 pkey; 347 u16 pkey_index; 348 struct ib_pd *pd; 349 struct ib_mr *mr; 350 struct ib_cq *recv_cq; 351 struct ib_cq *send_cq; 352 struct ib_qp *qp; 353 u32 qkey; 354 355 union ib_gid local_gid; 356 u16 local_lid; 357 358 unsigned int admin_mtu; /* User selected MTU, no GRH. */ 359 unsigned int mcast_mtu; /* Minus GRH bytes, from mcast group. */ 360 unsigned int max_ib_mtu; /* Without header, actual buf size. */ 361 362 struct ipoib_rx_buf *rx_ring; 363 364 struct ipoib_tx_buf *tx_ring; 365 unsigned tx_head; 366 unsigned tx_tail; 367 struct ib_sge tx_sge[IPOIB_MAX_TX_SG]; 368 struct ib_send_wr tx_wr; 369 unsigned tx_outstanding; 370 struct ib_wc send_wc[MAX_SEND_CQE]; 371 372 struct ib_recv_wr rx_wr; 373 struct ib_sge rx_sge[IPOIB_MAX_RX_SG]; 374 375 struct ib_wc ibwc[IPOIB_NUM_WC]; 376 377 struct list_head dead_ahs; 378 379 struct ib_event_handler event_handler; 380 381 struct ifnet *parent; 382 struct list_head child_intfs; 383 struct list_head list; 384 385#ifdef CONFIG_INFINIBAND_IPOIB_CM 386 struct ipoib_cm_dev_priv cm; 387#endif 388 389#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 390 struct list_head fs_list; 391 struct dentry *mcg_dentry; 392 struct dentry *path_dentry; 393#endif 394 int hca_caps; 395 struct ipoib_ethtool_st ethtool; 396 struct timer_list poll_timer; 397}; 398 399struct ipoib_ah { 400 struct ipoib_dev_priv *priv; 401 struct ib_ah *ah; 402 struct list_head list; 403 struct kref ref; 404 unsigned last_send; 405}; 406 407struct ipoib_path { 408 struct ipoib_dev_priv *priv; 409 struct rb_node rb_node; 410 struct list_head list; 411#ifdef CONFIG_INFINIBAND_IPOIB_CM 412 uint8_t hwaddr[INFINIBAND_ALEN]; 413 struct ipoib_cm_tx *cm; 414#endif 415 struct ipoib_ah *ah; 416 struct ib_sa_path_rec pathrec; 417 struct ifqueue queue; 418 419 int query_id; 420 struct ib_sa_query *query; 421 struct completion done; 422 423 int valid; 424}; 425 426/* UD Only transmits encap len but we want the two sizes to be symmetrical. */ 427#define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN) 428#define IPOIB_CM_MTU(ib_mtu) (ib_mtu - 0x10) 429 430#define IPOIB_IS_MULTICAST(addr) ((addr)[4] == 0xff) 431 432extern struct workqueue_struct *ipoib_workqueue; 433 434#define IPOIB_MTAP_PROTO(_ifp, _m, _proto) \ 435do { \ 436 if (bpf_peers_present((_ifp)->if_bpf)) { \ 437 M_ASSERTVALID(_m); \ 438 ipoib_mtap_proto((_ifp), (_m), (_proto)); \ 439 } \ 440} while (0) 441 442/* functions */ 443void ipoib_mtap_proto(struct ifnet *ifp, struct mbuf *mb, uint16_t proto); 444void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr); 445void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr); 446 447struct ipoib_ah *ipoib_create_ah(struct ipoib_dev_priv *, 448 struct ib_pd *pd, struct ib_ah_attr *attr); 449void ipoib_free_ah(struct kref *kref); 450static inline void ipoib_put_ah(struct ipoib_ah *ah) 451{ 452 kref_put(&ah->ref, ipoib_free_ah); 453} 454 455int ipoib_open(struct ipoib_dev_priv *priv); 456int ipoib_add_pkey_attr(struct ipoib_dev_priv *priv); 457int ipoib_add_umcast_attr(struct ipoib_dev_priv *priv); 458 459void ipoib_demux(struct ifnet *ifp, struct mbuf *m, u_short proto); 460 461void ipoib_send(struct ipoib_dev_priv *priv, struct mbuf *mb, 462 struct ipoib_ah *address, u32 qpn); 463void ipoib_reap_ah(struct work_struct *work); 464 465void ipoib_mark_paths_invalid(struct ipoib_dev_priv *priv); 466void ipoib_flush_paths(struct ipoib_dev_priv *priv); 467struct ipoib_dev_priv *ipoib_intf_alloc(const char *format); 468 469int ipoib_ib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, 470 int port); 471void ipoib_ib_dev_flush_light(struct work_struct *work); 472void ipoib_ib_dev_flush_normal(struct work_struct *work); 473void ipoib_ib_dev_flush_heavy(struct work_struct *work); 474void ipoib_pkey_event(struct work_struct *work); 475void ipoib_ib_dev_cleanup(struct ipoib_dev_priv *priv); 476 477int ipoib_ib_dev_open(struct ipoib_dev_priv *priv); 478int ipoib_ib_dev_up(struct ipoib_dev_priv *priv); 479int ipoib_ib_dev_down(struct ipoib_dev_priv *priv, int flush); 480int ipoib_ib_dev_stop(struct ipoib_dev_priv *priv, int flush); 481 482int ipoib_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca, int port); 483void ipoib_dev_cleanup(struct ipoib_dev_priv *priv); 484 485void ipoib_mcast_join_task(struct work_struct *work); 486void ipoib_mcast_carrier_on_task(struct work_struct *work); 487void ipoib_mcast_send(struct ipoib_dev_priv *priv, void *mgid, struct mbuf *mb); 488 489void ipoib_mcast_restart_task(struct work_struct *work); 490void ipoib_mcast_restart(struct ipoib_dev_priv *); 491int ipoib_mcast_start_thread(struct ipoib_dev_priv *priv); 492int ipoib_mcast_stop_thread(struct ipoib_dev_priv *priv, int flush); 493 494void ipoib_mcast_dev_down(struct ipoib_dev_priv *priv); 495void ipoib_mcast_dev_flush(struct ipoib_dev_priv *priv); 496 497void ipoib_path_free(struct ipoib_dev_priv *priv, struct ipoib_path *path); 498#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 499struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct ipoib_dev_priv *priv); 500int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); 501void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter, 502 union ib_gid *gid, 503 unsigned long *created, 504 unsigned int *queuelen, 505 unsigned int *complete, 506 unsigned int *send_only); 507 508struct ipoib_path_iter *ipoib_path_iter_init(struct ipoib_dev_priv *priv); 509int ipoib_path_iter_next(struct ipoib_path_iter *iter); 510void ipoib_path_iter_read(struct ipoib_path_iter *iter, 511 struct ipoib_path *path); 512#endif 513 514int ipoib_change_mtu(struct ipoib_dev_priv *priv, int new_mtu); 515 516int ipoib_mcast_attach(struct ipoib_dev_priv *priv, u16 mlid, 517 union ib_gid *mgid, int set_qkey); 518 519int ipoib_init_qp(struct ipoib_dev_priv *priv); 520int ipoib_transport_dev_init(struct ipoib_dev_priv *priv, struct ib_device *ca); 521void ipoib_transport_dev_cleanup(struct ipoib_dev_priv *priv); 522 523void ipoib_event(struct ib_event_handler *handler, 524 struct ib_event *record); 525 526void ipoib_pkey_poll(struct work_struct *work); 527int ipoib_pkey_dev_delay_open(struct ipoib_dev_priv *priv); 528void ipoib_drain_cq(struct ipoib_dev_priv *priv); 529 530int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req, int max); 531void ipoib_dma_unmap_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); 532int ipoib_poll_tx(struct ipoib_dev_priv *priv); 533 534void ipoib_dma_unmap_rx(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req); 535void ipoib_dma_mb(struct ipoib_dev_priv *priv, struct mbuf *mb, unsigned int length); 536struct mbuf *ipoib_alloc_map_mb(struct ipoib_dev_priv *priv, struct ipoib_rx_buf *rx_req, int size); 537 538 539void ipoib_set_ethtool_ops(struct ifnet *dev); 540int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca); 541 542#ifdef CONFIG_INFINIBAND_IPOIB_CM 543 544#define IPOIB_FLAGS_RC 0x80 545#define IPOIB_FLAGS_UC 0x40 546 547/* We don't support UC connections at the moment */ 548#define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC)) 549 550extern int ipoib_max_conn_qp; 551 552static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 553{ 554 return IPOIB_CM_SUPPORTED(IF_LLADDR(priv->dev)); 555} 556 557static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 558{ 559 return IPOIB_CM_SUPPORTED(hwaddr); 560} 561 562static inline int ipoib_cm_up(struct ipoib_path *path) 563 564{ 565 return test_bit(IPOIB_FLAG_OPER_UP, &path->cm->flags); 566} 567 568static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 569{ 570 return path->cm; 571} 572 573static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 574{ 575 path->cm = tx; 576} 577 578static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 579{ 580 return !!priv->cm.srq; 581} 582 583static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 584{ 585 return priv->cm.max_cm_mtu; 586} 587 588void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx); 589int ipoib_cm_dev_open(struct ipoib_dev_priv *priv); 590void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv); 591int ipoib_cm_dev_init(struct ipoib_dev_priv *priv); 592int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv); 593void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv); 594struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, 595 struct ipoib_path *path); 596void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx); 597void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 598 unsigned int mtu); 599void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 600void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc); 601#else 602 603struct ipoib_cm_tx; 604 605#define ipoib_max_conn_qp 0 606 607static inline int ipoib_cm_admin_enabled(struct ipoib_dev_priv *priv) 608{ 609 return 0; 610} 611static inline int ipoib_cm_enabled(struct ipoib_dev_priv *priv, uint8_t *hwaddr) 612 613{ 614 return 0; 615} 616 617static inline int ipoib_cm_up(struct ipoib_path *path) 618 619{ 620 return 0; 621} 622 623static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_path *path) 624{ 625 return NULL; 626} 627 628static inline void ipoib_cm_set(struct ipoib_path *path, struct ipoib_cm_tx *tx) 629{ 630} 631 632static inline int ipoib_cm_has_srq(struct ipoib_dev_priv *priv) 633{ 634 return 0; 635} 636 637static inline unsigned int ipoib_cm_max_mtu(struct ipoib_dev_priv *priv) 638{ 639 return 0; 640} 641 642static inline 643void ipoib_cm_send(struct ipoib_dev_priv *priv, struct mbuf *mb, struct ipoib_cm_tx *tx) 644{ 645 return; 646} 647 648static inline 649int ipoib_cm_dev_open(struct ipoib_dev_priv *priv) 650{ 651 return 0; 652} 653 654static inline 655void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv) 656{ 657 return; 658} 659 660static inline 661int ipoib_cm_dev_init(struct ipoib_dev_priv *priv) 662{ 663 return -ENOSYS; 664} 665 666static inline 667void ipoib_cm_dev_cleanup(struct ipoib_dev_priv *priv) 668{ 669 return; 670} 671 672static inline 673struct ipoib_cm_tx *ipoib_cm_create_tx(struct ipoib_dev_priv *priv, struct ipoib_path *path) 674{ 675 return NULL; 676} 677 678static inline 679void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) 680{ 681 return; 682} 683 684static inline 685int ipoib_cm_add_mode_attr(struct ipoib_dev_priv *priv) 686{ 687 return 0; 688} 689 690static inline void ipoib_cm_mb_too_long(struct ipoib_dev_priv *priv, struct mbuf *mb, 691 unsigned int mtu) 692{ 693 m_freem(mb); 694} 695 696static inline void ipoib_cm_handle_rx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 697{ 698} 699 700static inline void ipoib_cm_handle_tx_wc(struct ipoib_dev_priv *priv, struct ib_wc *wc) 701{ 702} 703#endif 704 705#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 706void ipoib_create_debug_files(struct ipoib_dev_priv *priv); 707void ipoib_delete_debug_files(struct ipoib_dev_priv *priv); 708int ipoib_register_debugfs(void); 709void ipoib_unregister_debugfs(void); 710#else 711static inline void ipoib_create_debug_files(struct ipoib_dev_priv *priv) { } 712static inline void ipoib_delete_debug_files(struct ipoib_dev_priv *priv) { } 713static inline int ipoib_register_debugfs(void) { return 0; } 714static inline void ipoib_unregister_debugfs(void) { } 715#endif 716 717#define ipoib_printk(level, priv, format, arg...) \ 718 printk(level "%s: " format, if_name(((struct ipoib_dev_priv *) priv)->dev), ## arg) 719#define ipoib_warn(priv, format, arg...) \ 720 ipoib_printk(KERN_WARNING, priv, format , ## arg) 721 722extern int ipoib_sendq_size; 723extern int ipoib_recvq_size; 724 725extern struct ib_sa_client ipoib_sa_client; 726 727#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG 728extern int ipoib_debug_level; 729 730#define ipoib_dbg(priv, format, arg...) \ 731 do { \ 732 if (ipoib_debug_level > 0) \ 733 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 734 } while (0) 735#define ipoib_dbg_mcast(priv, format, arg...) \ 736 do { \ 737 if (mcast_debug_level > 0) \ 738 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 739 } while (0) 740#else /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 741#define ipoib_dbg(priv, format, arg...) \ 742 do { (void) (priv); } while (0) 743#define ipoib_dbg_mcast(priv, format, arg...) \ 744 do { (void) (priv); } while (0) 745#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */ 746 747#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA 748#define ipoib_dbg_data(priv, format, arg...) \ 749 do { \ 750 if (data_debug_level > 0) \ 751 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \ 752 } while (0) 753#else /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 754#define ipoib_dbg_data(priv, format, arg...) \ 755 do { (void) (priv); } while (0) 756#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ 757 758#define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff) 759 760#endif /* _IPOIB_H */ 761