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35#ifndef _IPOIB_H
36#define _IPOIB_H
37
38#include <linux/list.h>
39#include <linux/skbuff.h>
40#include <linux/netdevice.h>
41#include <linux/workqueue.h>
42#include <linux/kref.h>
43#include <linux/if_infiniband.h>
44#include <linux/mutex.h>
45
46#include <net/neighbour.h>
47#include <net/sch_generic.h>
48
49#include <linux/atomic.h>
50
51#include <rdma/ib_verbs.h>
52#include <rdma/ib_pack.h>
53#include <rdma/ib_sa.h>
54#include <linux/sched.h>
55
56
57
58enum ipoib_flush_level {
59 IPOIB_FLUSH_LIGHT,
60 IPOIB_FLUSH_NORMAL,
61 IPOIB_FLUSH_HEAVY
62};
63
64enum {
65 IPOIB_ENCAP_LEN = 4,
66 IPOIB_PSEUDO_LEN = 20,
67 IPOIB_HARD_LEN = IPOIB_ENCAP_LEN + IPOIB_PSEUDO_LEN,
68
69 IPOIB_UD_HEAD_SIZE = IB_GRH_BYTES + IPOIB_ENCAP_LEN,
70 IPOIB_UD_RX_SG = 2,
71
72 IPOIB_CM_MTU = 0x10000 - 0x10,
73 IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN,
74 IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
75 IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
76 IPOIB_RX_RING_SIZE = 256,
77 IPOIB_TX_RING_SIZE = 128,
78 IPOIB_MAX_QUEUE_SIZE = 8192,
79 IPOIB_MIN_QUEUE_SIZE = 2,
80 IPOIB_CM_MAX_CONN_QP = 4096,
81
82 IPOIB_NUM_WC = 4,
83
84 IPOIB_MAX_PATH_REC_QUEUE = 3,
85 IPOIB_MAX_MCAST_QUEUE = 64,
86
87 IPOIB_FLAG_OPER_UP = 0,
88 IPOIB_FLAG_INITIALIZED = 1,
89 IPOIB_FLAG_ADMIN_UP = 2,
90 IPOIB_PKEY_ASSIGNED = 3,
91 IPOIB_FLAG_SUBINTERFACE = 5,
92 IPOIB_STOP_REAPER = 7,
93 IPOIB_FLAG_ADMIN_CM = 9,
94 IPOIB_FLAG_UMCAST = 10,
95 IPOIB_STOP_NEIGH_GC = 11,
96 IPOIB_NEIGH_TBL_FLUSH = 12,
97 IPOIB_FLAG_DEV_ADDR_SET = 13,
98 IPOIB_FLAG_DEV_ADDR_CTRL = 14,
99 IPOIB_FLAG_GOING_DOWN = 15,
100
101 IPOIB_MAX_BACKOFF_SECONDS = 16,
102
103 IPOIB_MCAST_FLAG_FOUND = 0,
104 IPOIB_MCAST_FLAG_SENDONLY = 1,
105
106
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109
110
111
112 IPOIB_MCAST_FLAG_BUSY = 2,
113 IPOIB_MCAST_FLAG_ATTACHED = 3,
114
115 MAX_SEND_CQE = 16,
116 IPOIB_CM_COPYBREAK = 256,
117
118 IPOIB_NON_CHILD = 0,
119 IPOIB_LEGACY_CHILD = 1,
120 IPOIB_RTNL_CHILD = 2,
121};
122
123#define IPOIB_OP_RECV (1ul << 31)
124#ifdef CONFIG_INFINIBAND_IPOIB_CM
125#define IPOIB_OP_CM (1ul << 30)
126#else
127#define IPOIB_OP_CM (0)
128#endif
129
130#define IPOIB_QPN_MASK ((__force u32) cpu_to_be32(0xFFFFFF))
131
132
133
134struct ipoib_header {
135 __be16 proto;
136 u16 reserved;
137};
138
139struct ipoib_pseudo_header {
140 u8 hwaddr[INFINIBAND_ALEN];
141};
142
143static inline void skb_add_pseudo_hdr(struct sk_buff *skb)
144{
145 char *data = skb_push(skb, IPOIB_PSEUDO_LEN);
146
147
148
149
150
151 memset(data, 0, IPOIB_PSEUDO_LEN);
152 skb_reset_mac_header(skb);
153 skb_pull(skb, IPOIB_HARD_LEN);
154}
155
156
157struct ipoib_mcast {
158 struct ib_sa_mcmember_rec mcmember;
159 struct ib_sa_multicast *mc;
160 struct ipoib_ah *ah;
161
162 struct rb_node rb_node;
163 struct list_head list;
164
165 unsigned long created;
166 unsigned long backoff;
167 unsigned long delay_until;
168
169 unsigned long flags;
170 unsigned char logcount;
171
172 struct list_head neigh_list;
173
174 struct sk_buff_head pkt_queue;
175
176 struct net_device *dev;
177 struct completion done;
178};
179
180struct ipoib_rx_buf {
181 struct sk_buff *skb;
182 u64 mapping[IPOIB_UD_RX_SG];
183};
184
185struct ipoib_tx_buf {
186 struct sk_buff *skb;
187 u64 mapping[MAX_SKB_FRAGS + 1];
188};
189
190struct ipoib_cm_tx_buf {
191 struct sk_buff *skb;
192 u64 mapping;
193};
194
195struct ib_cm_id;
196
197struct ipoib_cm_data {
198 __be32 qpn;
199 __be32 mtu;
200};
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228
229enum ipoib_cm_state {
230 IPOIB_CM_RX_LIVE,
231 IPOIB_CM_RX_ERROR,
232 IPOIB_CM_RX_FLUSH
233};
234
235struct ipoib_cm_rx {
236 struct ib_cm_id *id;
237 struct ib_qp *qp;
238 struct ipoib_cm_rx_buf *rx_ring;
239 struct list_head list;
240 struct net_device *dev;
241 unsigned long jiffies;
242 enum ipoib_cm_state state;
243 int recv_count;
244};
245
246struct ipoib_cm_tx {
247 struct ib_cm_id *id;
248 struct ib_qp *qp;
249 struct list_head list;
250 struct net_device *dev;
251 struct ipoib_neigh *neigh;
252 struct ipoib_path *path;
253 struct ipoib_tx_buf *tx_ring;
254 unsigned tx_head;
255 unsigned tx_tail;
256 unsigned long flags;
257 u32 mtu;
258 unsigned max_send_sge;
259};
260
261struct ipoib_cm_rx_buf {
262 struct sk_buff *skb;
263 u64 mapping[IPOIB_CM_RX_SG];
264};
265
266struct ipoib_cm_dev_priv {
267 struct ib_srq *srq;
268 struct ipoib_cm_rx_buf *srq_ring;
269 struct ib_cm_id *id;
270 struct list_head passive_ids;
271 struct list_head rx_error_list;
272 struct list_head rx_flush_list;
273 struct list_head rx_drain_list;
274 struct list_head rx_reap_list;
275 struct work_struct start_task;
276 struct work_struct reap_task;
277 struct work_struct skb_task;
278 struct work_struct rx_reap_task;
279 struct delayed_work stale_task;
280 struct sk_buff_head skb_queue;
281 struct list_head start_list;
282 struct list_head reap_list;
283 struct ib_wc ibwc[IPOIB_NUM_WC];
284 struct ib_sge rx_sge[IPOIB_CM_RX_SG];
285 struct ib_recv_wr rx_wr;
286 int nonsrq_conn_qp;
287 int max_cm_mtu;
288 int num_frags;
289};
290
291struct ipoib_ethtool_st {
292 u16 coalesce_usecs;
293 u16 max_coalesced_frames;
294};
295
296struct ipoib_neigh_table;
297
298struct ipoib_neigh_hash {
299 struct ipoib_neigh_table *ntbl;
300 struct ipoib_neigh __rcu **buckets;
301 struct rcu_head rcu;
302 u32 mask;
303 u32 size;
304};
305
306struct ipoib_neigh_table {
307 struct ipoib_neigh_hash __rcu *htbl;
308 atomic_t entries;
309 struct completion flushed;
310 struct completion deleted;
311};
312
313struct ipoib_qp_state_validate {
314 struct work_struct work;
315 struct ipoib_dev_priv *priv;
316};
317
318
319
320
321
322
323struct ipoib_dev_priv {
324 spinlock_t lock;
325
326 struct net_device *dev;
327
328 struct napi_struct napi;
329
330 unsigned long flags;
331
332 struct rw_semaphore vlan_rwsem;
333
334 struct rb_root path_tree;
335 struct list_head path_list;
336
337 struct ipoib_neigh_table ntbl;
338
339 struct ipoib_mcast *broadcast;
340 struct list_head multicast_list;
341 struct rb_root multicast_tree;
342
343 struct workqueue_struct *wq;
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 struct delayed_work neigh_reap_task;
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;
366 unsigned int mcast_mtu;
367 unsigned int max_ib_mtu;
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[MAX_SKB_FRAGS + 1];
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_UD_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 net_device *parent;
389 struct list_head child_intfs;
390 struct list_head list;
391 int child_type;
392
393#ifdef CONFIG_INFINIBAND_IPOIB_CM
394 struct ipoib_cm_dev_priv cm;
395#endif
396
397#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
398 struct list_head fs_list;
399 struct dentry *mcg_dentry;
400 struct dentry *path_dentry;
401#endif
402 u64 hca_caps;
403 struct ipoib_ethtool_st ethtool;
404 struct timer_list poll_timer;
405 unsigned max_send_sge;
406 bool sm_fullmember_sendonly_support;
407};
408
409struct ipoib_ah {
410 struct net_device *dev;
411 struct ib_ah *ah;
412 struct list_head list;
413 struct kref ref;
414 unsigned last_send;
415};
416
417struct ipoib_path {
418 struct net_device *dev;
419 struct ib_sa_path_rec pathrec;
420 struct ipoib_ah *ah;
421 struct sk_buff_head queue;
422
423 struct list_head neigh_list;
424
425 int query_id;
426 struct ib_sa_query *query;
427 struct completion done;
428
429 struct rb_node rb_node;
430 struct list_head list;
431 int valid;
432};
433
434struct ipoib_neigh {
435 struct ipoib_ah *ah;
436#ifdef CONFIG_INFINIBAND_IPOIB_CM
437 struct ipoib_cm_tx *cm;
438#endif
439 u8 daddr[INFINIBAND_ALEN];
440 struct sk_buff_head queue;
441
442 struct net_device *dev;
443
444 struct list_head list;
445 struct ipoib_neigh __rcu *hnext;
446 struct rcu_head rcu;
447 atomic_t refcnt;
448 unsigned long alive;
449};
450
451#define IPOIB_UD_MTU(ib_mtu) (ib_mtu - IPOIB_ENCAP_LEN)
452#define IPOIB_UD_BUF_SIZE(ib_mtu) (ib_mtu + IB_GRH_BYTES)
453
454void ipoib_neigh_dtor(struct ipoib_neigh *neigh);
455static inline void ipoib_neigh_put(struct ipoib_neigh *neigh)
456{
457 if (atomic_dec_and_test(&neigh->refcnt))
458 ipoib_neigh_dtor(neigh);
459}
460struct ipoib_neigh *ipoib_neigh_get(struct net_device *dev, u8 *daddr);
461struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr,
462 struct net_device *dev);
463void ipoib_neigh_free(struct ipoib_neigh *neigh);
464void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid);
465
466extern struct workqueue_struct *ipoib_workqueue;
467
468
469
470int ipoib_poll(struct napi_struct *napi, int budget);
471void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr);
472void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr);
473
474struct ipoib_ah *ipoib_create_ah(struct net_device *dev,
475 struct ib_pd *pd, struct ib_ah_attr *attr);
476void ipoib_free_ah(struct kref *kref);
477static inline void ipoib_put_ah(struct ipoib_ah *ah)
478{
479 kref_put(&ah->ref, ipoib_free_ah);
480}
481int ipoib_open(struct net_device *dev);
482int ipoib_add_pkey_attr(struct net_device *dev);
483int ipoib_add_umcast_attr(struct net_device *dev);
484
485void ipoib_send(struct net_device *dev, struct sk_buff *skb,
486 struct ipoib_ah *address, u32 qpn);
487void ipoib_reap_ah(struct work_struct *work);
488
489struct ipoib_path *__path_find(struct net_device *dev, void *gid);
490void ipoib_mark_paths_invalid(struct net_device *dev);
491void ipoib_flush_paths(struct net_device *dev);
492int ipoib_check_sm_sendonly_fullmember_support(struct ipoib_dev_priv *priv);
493struct ipoib_dev_priv *ipoib_intf_alloc(const char *format);
494
495int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port);
496void ipoib_ib_dev_flush_light(struct work_struct *work);
497void ipoib_ib_dev_flush_normal(struct work_struct *work);
498void ipoib_ib_dev_flush_heavy(struct work_struct *work);
499void ipoib_pkey_event(struct work_struct *work);
500void ipoib_ib_dev_cleanup(struct net_device *dev);
501
502int ipoib_ib_dev_open(struct net_device *dev);
503int ipoib_ib_dev_up(struct net_device *dev);
504int ipoib_ib_dev_down(struct net_device *dev);
505int ipoib_ib_dev_stop(struct net_device *dev);
506void ipoib_pkey_dev_check_presence(struct net_device *dev);
507
508int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port);
509void ipoib_dev_cleanup(struct net_device *dev);
510
511void ipoib_mcast_join_task(struct work_struct *work);
512void ipoib_mcast_carrier_on_task(struct work_struct *work);
513void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb);
514
515void ipoib_mcast_restart_task(struct work_struct *work);
516int ipoib_mcast_start_thread(struct net_device *dev);
517int ipoib_mcast_stop_thread(struct net_device *dev);
518
519void ipoib_mcast_dev_down(struct net_device *dev);
520void ipoib_mcast_dev_flush(struct net_device *dev);
521
522int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req);
523void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv,
524 struct ipoib_tx_buf *tx_req);
525
526static inline void ipoib_build_sge(struct ipoib_dev_priv *priv,
527 struct ipoib_tx_buf *tx_req)
528{
529 int i, off;
530 struct sk_buff *skb = tx_req->skb;
531 skb_frag_t *frags = skb_shinfo(skb)->frags;
532 int nr_frags = skb_shinfo(skb)->nr_frags;
533 u64 *mapping = tx_req->mapping;
534
535 if (skb_headlen(skb)) {
536 priv->tx_sge[0].addr = mapping[0];
537 priv->tx_sge[0].length = skb_headlen(skb);
538 off = 1;
539 } else
540 off = 0;
541
542 for (i = 0; i < nr_frags; ++i) {
543 priv->tx_sge[i + off].addr = mapping[i + off];
544 priv->tx_sge[i + off].length = skb_frag_size(&frags[i]);
545 }
546 priv->tx_wr.wr.num_sge = nr_frags + off;
547}
548
549#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
550struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev);
551int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);
552void ipoib_mcast_iter_read(struct ipoib_mcast_iter *iter,
553 union ib_gid *gid,
554 unsigned long *created,
555 unsigned int *queuelen,
556 unsigned int *complete,
557 unsigned int *send_only);
558
559struct ipoib_path_iter *ipoib_path_iter_init(struct net_device *dev);
560int ipoib_path_iter_next(struct ipoib_path_iter *iter);
561void ipoib_path_iter_read(struct ipoib_path_iter *iter,
562 struct ipoib_path *path);
563#endif
564
565int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
566 union ib_gid *mgid, int set_qkey);
567void ipoib_mcast_remove_list(struct list_head *remove_list);
568void ipoib_check_and_add_mcast_sendonly(struct ipoib_dev_priv *priv, u8 *mgid,
569 struct list_head *remove_list);
570
571int ipoib_init_qp(struct net_device *dev);
572int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca);
573void ipoib_transport_dev_cleanup(struct net_device *dev);
574
575void ipoib_event(struct ib_event_handler *handler,
576 struct ib_event *record);
577
578int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey);
579int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey);
580
581int __ipoib_vlan_add(struct ipoib_dev_priv *ppriv, struct ipoib_dev_priv *priv,
582 u16 pkey, int child_type);
583
584int __init ipoib_netlink_init(void);
585void __exit ipoib_netlink_fini(void);
586
587void ipoib_set_umcast(struct net_device *ndev, int umcast_val);
588int ipoib_set_mode(struct net_device *dev, const char *buf);
589
590void ipoib_setup(struct net_device *dev);
591
592void ipoib_pkey_open(struct ipoib_dev_priv *priv);
593void ipoib_drain_cq(struct net_device *dev);
594
595void ipoib_set_ethtool_ops(struct net_device *dev);
596int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca);
597
598#define IPOIB_FLAGS_RC 0x80
599#define IPOIB_FLAGS_UC 0x40
600
601
602#define IPOIB_CM_SUPPORTED(ha) (ha[0] & (IPOIB_FLAGS_RC))
603
604#ifdef CONFIG_INFINIBAND_IPOIB_CM
605
606extern int ipoib_max_conn_qp;
607
608static inline int ipoib_cm_admin_enabled(struct net_device *dev)
609{
610 struct ipoib_dev_priv *priv = netdev_priv(dev);
611 return IPOIB_CM_SUPPORTED(dev->dev_addr) &&
612 test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
613}
614
615static inline int ipoib_cm_enabled(struct net_device *dev, u8 *hwaddr)
616{
617 struct ipoib_dev_priv *priv = netdev_priv(dev);
618 return IPOIB_CM_SUPPORTED(hwaddr) &&
619 test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
620}
621
622static inline int ipoib_cm_up(struct ipoib_neigh *neigh)
623
624{
625 return test_bit(IPOIB_FLAG_OPER_UP, &neigh->cm->flags);
626}
627
628static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh)
629{
630 return neigh->cm;
631}
632
633static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx)
634{
635 neigh->cm = tx;
636}
637
638static inline int ipoib_cm_has_srq(struct net_device *dev)
639{
640 struct ipoib_dev_priv *priv = netdev_priv(dev);
641 return !!priv->cm.srq;
642}
643
644static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev)
645{
646 struct ipoib_dev_priv *priv = netdev_priv(dev);
647 return priv->cm.max_cm_mtu;
648}
649
650void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx);
651int ipoib_cm_dev_open(struct net_device *dev);
652void ipoib_cm_dev_stop(struct net_device *dev);
653int ipoib_cm_dev_init(struct net_device *dev);
654int ipoib_cm_add_mode_attr(struct net_device *dev);
655void ipoib_cm_dev_cleanup(struct net_device *dev);
656struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path,
657 struct ipoib_neigh *neigh);
658void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx);
659void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
660 unsigned int mtu);
661void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc);
662void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc);
663#else
664
665struct ipoib_cm_tx;
666
667#define ipoib_max_conn_qp 0
668
669static inline int ipoib_cm_admin_enabled(struct net_device *dev)
670{
671 return 0;
672}
673static inline int ipoib_cm_enabled(struct net_device *dev, u8 *hwaddr)
674
675{
676 return 0;
677}
678
679static inline int ipoib_cm_up(struct ipoib_neigh *neigh)
680
681{
682 return 0;
683}
684
685static inline struct ipoib_cm_tx *ipoib_cm_get(struct ipoib_neigh *neigh)
686{
687 return NULL;
688}
689
690static inline void ipoib_cm_set(struct ipoib_neigh *neigh, struct ipoib_cm_tx *tx)
691{
692}
693
694static inline int ipoib_cm_has_srq(struct net_device *dev)
695{
696 return 0;
697}
698
699static inline unsigned int ipoib_cm_max_mtu(struct net_device *dev)
700{
701 return 0;
702}
703
704static inline
705void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx)
706{
707 return;
708}
709
710static inline
711int ipoib_cm_dev_open(struct net_device *dev)
712{
713 return 0;
714}
715
716static inline
717void ipoib_cm_dev_stop(struct net_device *dev)
718{
719 return;
720}
721
722static inline
723int ipoib_cm_dev_init(struct net_device *dev)
724{
725 return -ENOSYS;
726}
727
728static inline
729void ipoib_cm_dev_cleanup(struct net_device *dev)
730{
731 return;
732}
733
734static inline
735struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path,
736 struct ipoib_neigh *neigh)
737{
738 return NULL;
739}
740
741static inline
742void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx)
743{
744 return;
745}
746
747static inline
748int ipoib_cm_add_mode_attr(struct net_device *dev)
749{
750 return 0;
751}
752
753static inline void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
754 unsigned int mtu)
755{
756 dev_kfree_skb_any(skb);
757}
758
759static inline void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
760{
761}
762
763static inline void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
764{
765}
766#endif
767
768#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
769void ipoib_create_debug_files(struct net_device *dev);
770void ipoib_delete_debug_files(struct net_device *dev);
771int ipoib_register_debugfs(void);
772void ipoib_unregister_debugfs(void);
773#else
774static inline void ipoib_create_debug_files(struct net_device *dev) { }
775static inline void ipoib_delete_debug_files(struct net_device *dev) { }
776static inline int ipoib_register_debugfs(void) { return 0; }
777static inline void ipoib_unregister_debugfs(void) { }
778#endif
779
780#define ipoib_printk(level, priv, format, arg...) \
781 printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)
782#define ipoib_warn(priv, format, arg...) \
783do { \
784 static DEFINE_RATELIMIT_STATE(_rs, \
785 10 * HZ , \
786 100); \
787 if (__ratelimit(&_rs)) \
788 ipoib_printk(KERN_WARNING, priv, format , ## arg);\
789} while (0)
790
791extern int ipoib_sendq_size;
792extern int ipoib_recvq_size;
793
794extern struct ib_sa_client ipoib_sa_client;
795
796#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
797extern int ipoib_debug_level;
798
799#define ipoib_dbg(priv, format, arg...) \
800 do { \
801 if (ipoib_debug_level > 0) \
802 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
803 } while (0)
804#define ipoib_dbg_mcast(priv, format, arg...) \
805 do { \
806 if (mcast_debug_level > 0) \
807 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
808 } while (0)
809#else
810#define ipoib_dbg(priv, format, arg...) \
811 do { (void) (priv); } while (0)
812#define ipoib_dbg_mcast(priv, format, arg...) \
813 do { (void) (priv); } while (0)
814#endif
815
816#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
817#define ipoib_dbg_data(priv, format, arg...) \
818 do { \
819 if (data_debug_level > 0) \
820 ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
821 } while (0)
822#else
823#define ipoib_dbg_data(priv, format, arg...) \
824 do { (void) (priv); } while (0)
825#endif
826
827#define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff)
828
829extern const char ipoib_driver_version[];
830
831#endif
832