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Diffstat (limited to 'net/mac80211/mesh_plink.c')
-rw-r--r--net/mac80211/mesh_plink.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 37f0c2b94ae7..9efeb1f07025 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -79,7 +79,7 @@ void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
79 * 79 *
80 * @sta: mes peer link to restart 80 * @sta: mes peer link to restart
81 * 81 *
82 * Locking: this function must be called holding sta->plink_lock 82 * Locking: this function must be called holding sta->lock
83 */ 83 */
84static inline void mesh_plink_fsm_restart(struct sta_info *sta) 84static inline void mesh_plink_fsm_restart(struct sta_info *sta)
85{ 85{
@@ -105,7 +105,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
105 if (!sta) 105 if (!sta)
106 return NULL; 106 return NULL;
107 107
108 sta->flags |= WLAN_STA_AUTHORIZED; 108 sta->flags = WLAN_STA_AUTHORIZED;
109 sta->supp_rates[local->hw.conf.channel->band] = rates; 109 sta->supp_rates[local->hw.conf.channel->band] = rates;
110 110
111 return sta; 111 return sta;
@@ -118,7 +118,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
118 * 118 *
119 * All mesh paths with this peer as next hop will be flushed 119 * All mesh paths with this peer as next hop will be flushed
120 * 120 *
121 * Locking: the caller must hold sta->plink_lock 121 * Locking: the caller must hold sta->lock
122 */ 122 */
123static void __mesh_plink_deactivate(struct sta_info *sta) 123static void __mesh_plink_deactivate(struct sta_info *sta)
124{ 124{
@@ -139,9 +139,9 @@ static void __mesh_plink_deactivate(struct sta_info *sta)
139 */ 139 */
140void mesh_plink_deactivate(struct sta_info *sta) 140void mesh_plink_deactivate(struct sta_info *sta)
141{ 141{
142 spin_lock_bh(&sta->plink_lock); 142 spin_lock_bh(&sta->lock);
143 __mesh_plink_deactivate(sta); 143 __mesh_plink_deactivate(sta);
144 spin_unlock_bh(&sta->plink_lock); 144 spin_unlock_bh(&sta->lock);
145} 145}
146 146
147static int mesh_plink_frame_tx(struct net_device *dev, 147static int mesh_plink_frame_tx(struct net_device *dev,
@@ -270,10 +270,10 @@ static void mesh_plink_timer(unsigned long data)
270 */ 270 */
271 sta = (struct sta_info *) data; 271 sta = (struct sta_info *) data;
272 272
273 spin_lock_bh(&sta->plink_lock); 273 spin_lock_bh(&sta->lock);
274 if (sta->ignore_plink_timer) { 274 if (sta->ignore_plink_timer) {
275 sta->ignore_plink_timer = false; 275 sta->ignore_plink_timer = false;
276 spin_unlock_bh(&sta->plink_lock); 276 spin_unlock_bh(&sta->lock);
277 return; 277 return;
278 } 278 }
279 mpl_dbg("Mesh plink timer for %s fired on state %d\n", 279 mpl_dbg("Mesh plink timer for %s fired on state %d\n",
@@ -298,7 +298,7 @@ static void mesh_plink_timer(unsigned long data)
298 rand % sta->plink_timeout; 298 rand % sta->plink_timeout;
299 ++sta->plink_retries; 299 ++sta->plink_retries;
300 mod_plink_timer(sta, sta->plink_timeout); 300 mod_plink_timer(sta, sta->plink_timeout);
301 spin_unlock_bh(&sta->plink_lock); 301 spin_unlock_bh(&sta->lock);
302 mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid, 302 mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid,
303 0, 0); 303 0, 0);
304 break; 304 break;
@@ -311,7 +311,7 @@ static void mesh_plink_timer(unsigned long data)
311 reason = cpu_to_le16(MESH_CONFIRM_TIMEOUT); 311 reason = cpu_to_le16(MESH_CONFIRM_TIMEOUT);
312 sta->plink_state = PLINK_HOLDING; 312 sta->plink_state = PLINK_HOLDING;
313 mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata)); 313 mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
314 spin_unlock_bh(&sta->plink_lock); 314 spin_unlock_bh(&sta->lock);
315 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, plid, 315 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, plid,
316 reason); 316 reason);
317 break; 317 break;
@@ -319,10 +319,10 @@ static void mesh_plink_timer(unsigned long data)
319 /* holding timer */ 319 /* holding timer */
320 del_timer(&sta->plink_timer); 320 del_timer(&sta->plink_timer);
321 mesh_plink_fsm_restart(sta); 321 mesh_plink_fsm_restart(sta);
322 spin_unlock_bh(&sta->plink_lock); 322 spin_unlock_bh(&sta->lock);
323 break; 323 break;
324 default: 324 default:
325 spin_unlock_bh(&sta->plink_lock); 325 spin_unlock_bh(&sta->lock);
326 break; 326 break;
327 } 327 }
328} 328}
@@ -344,16 +344,16 @@ int mesh_plink_open(struct sta_info *sta)
344 DECLARE_MAC_BUF(mac); 344 DECLARE_MAC_BUF(mac);
345#endif 345#endif
346 346
347 spin_lock_bh(&sta->plink_lock); 347 spin_lock_bh(&sta->lock);
348 get_random_bytes(&llid, 2); 348 get_random_bytes(&llid, 2);
349 sta->llid = llid; 349 sta->llid = llid;
350 if (sta->plink_state != PLINK_LISTEN) { 350 if (sta->plink_state != PLINK_LISTEN) {
351 spin_unlock_bh(&sta->plink_lock); 351 spin_unlock_bh(&sta->lock);
352 return -EBUSY; 352 return -EBUSY;
353 } 353 }
354 sta->plink_state = PLINK_OPN_SNT; 354 sta->plink_state = PLINK_OPN_SNT;
355 mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata)); 355 mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
356 spin_unlock_bh(&sta->plink_lock); 356 spin_unlock_bh(&sta->lock);
357 mpl_dbg("Mesh plink: starting establishment with %s\n", 357 mpl_dbg("Mesh plink: starting establishment with %s\n",
358 print_mac(mac, sta->addr)); 358 print_mac(mac, sta->addr));
359 359
@@ -367,10 +367,10 @@ void mesh_plink_block(struct sta_info *sta)
367 DECLARE_MAC_BUF(mac); 367 DECLARE_MAC_BUF(mac);
368#endif 368#endif
369 369
370 spin_lock_bh(&sta->plink_lock); 370 spin_lock_bh(&sta->lock);
371 __mesh_plink_deactivate(sta); 371 __mesh_plink_deactivate(sta);
372 sta->plink_state = PLINK_BLOCKED; 372 sta->plink_state = PLINK_BLOCKED;
373 spin_unlock_bh(&sta->plink_lock); 373 spin_unlock_bh(&sta->lock);
374} 374}
375 375
376int mesh_plink_close(struct sta_info *sta) 376int mesh_plink_close(struct sta_info *sta)
@@ -383,14 +383,14 @@ int mesh_plink_close(struct sta_info *sta)
383 383
384 mpl_dbg("Mesh plink: closing link with %s\n", 384 mpl_dbg("Mesh plink: closing link with %s\n",
385 print_mac(mac, sta->addr)); 385 print_mac(mac, sta->addr));
386 spin_lock_bh(&sta->plink_lock); 386 spin_lock_bh(&sta->lock);
387 sta->reason = cpu_to_le16(MESH_LINK_CANCELLED); 387 sta->reason = cpu_to_le16(MESH_LINK_CANCELLED);
388 reason = sta->reason; 388 reason = sta->reason;
389 389
390 if (sta->plink_state == PLINK_LISTEN || 390 if (sta->plink_state == PLINK_LISTEN ||
391 sta->plink_state == PLINK_BLOCKED) { 391 sta->plink_state == PLINK_BLOCKED) {
392 mesh_plink_fsm_restart(sta); 392 mesh_plink_fsm_restart(sta);
393 spin_unlock_bh(&sta->plink_lock); 393 spin_unlock_bh(&sta->lock);
394 return 0; 394 return 0;
395 } else if (sta->plink_state == PLINK_ESTAB) { 395 } else if (sta->plink_state == PLINK_ESTAB) {
396 __mesh_plink_deactivate(sta); 396 __mesh_plink_deactivate(sta);
@@ -402,7 +402,7 @@ int mesh_plink_close(struct sta_info *sta)
402 sta->plink_state = PLINK_HOLDING; 402 sta->plink_state = PLINK_HOLDING;
403 llid = sta->llid; 403 llid = sta->llid;
404 plid = sta->plid; 404 plid = sta->plid;
405 spin_unlock_bh(&sta->plink_lock); 405 spin_unlock_bh(&sta->lock);
406 mesh_plink_frame_tx(sta->sdata->dev, PLINK_CLOSE, sta->addr, llid, 406 mesh_plink_frame_tx(sta->sdata->dev, PLINK_CLOSE, sta->addr, llid,
407 plid, reason); 407 plid, reason);
408 return 0; 408 return 0;
@@ -490,7 +490,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
490 /* avoid warning */ 490 /* avoid warning */
491 break; 491 break;
492 } 492 }
493 spin_lock_bh(&sta->plink_lock); 493 spin_lock_bh(&sta->lock);
494 } else if (!sta) { 494 } else if (!sta) {
495 /* ftype == PLINK_OPEN */ 495 /* ftype == PLINK_OPEN */
496 u64 rates; 496 u64 rates;
@@ -512,9 +512,9 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
512 return; 512 return;
513 } 513 }
514 event = OPN_ACPT; 514 event = OPN_ACPT;
515 spin_lock_bh(&sta->plink_lock); 515 spin_lock_bh(&sta->lock);
516 } else { 516 } else {
517 spin_lock_bh(&sta->plink_lock); 517 spin_lock_bh(&sta->lock);
518 switch (ftype) { 518 switch (ftype) {
519 case PLINK_OPEN: 519 case PLINK_OPEN:
520 if (!mesh_plink_free_count(sdata) || 520 if (!mesh_plink_free_count(sdata) ||
@@ -551,7 +551,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
551 break; 551 break;
552 default: 552 default:
553 mpl_dbg("Mesh plink: unknown frame subtype\n"); 553 mpl_dbg("Mesh plink: unknown frame subtype\n");
554 spin_unlock_bh(&sta->plink_lock); 554 spin_unlock_bh(&sta->lock);
555 rcu_read_unlock(); 555 rcu_read_unlock();
556 return; 556 return;
557 } 557 }
@@ -568,7 +568,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
568 switch (event) { 568 switch (event) {
569 case CLS_ACPT: 569 case CLS_ACPT:
570 mesh_plink_fsm_restart(sta); 570 mesh_plink_fsm_restart(sta);
571 spin_unlock_bh(&sta->plink_lock); 571 spin_unlock_bh(&sta->lock);
572 break; 572 break;
573 case OPN_ACPT: 573 case OPN_ACPT:
574 sta->plink_state = PLINK_OPN_RCVD; 574 sta->plink_state = PLINK_OPN_RCVD;
@@ -576,14 +576,14 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
576 get_random_bytes(&llid, 2); 576 get_random_bytes(&llid, 2);
577 sta->llid = llid; 577 sta->llid = llid;
578 mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata)); 578 mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
579 spin_unlock_bh(&sta->plink_lock); 579 spin_unlock_bh(&sta->lock);
580 mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid, 580 mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid,
581 0, 0); 581 0, 0);
582 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, 582 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr,
583 llid, plid, 0); 583 llid, plid, 0);
584 break; 584 break;
585 default: 585 default:
586 spin_unlock_bh(&sta->plink_lock); 586 spin_unlock_bh(&sta->lock);
587 break; 587 break;
588 } 588 }
589 break; 589 break;
@@ -603,7 +603,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
603 sta->ignore_plink_timer = true; 603 sta->ignore_plink_timer = true;
604 604
605 llid = sta->llid; 605 llid = sta->llid;
606 spin_unlock_bh(&sta->plink_lock); 606 spin_unlock_bh(&sta->lock);
607 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, 607 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
608 plid, reason); 608 plid, reason);
609 break; 609 break;
@@ -612,7 +612,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
612 sta->plink_state = PLINK_OPN_RCVD; 612 sta->plink_state = PLINK_OPN_RCVD;
613 sta->plid = plid; 613 sta->plid = plid;
614 llid = sta->llid; 614 llid = sta->llid;
615 spin_unlock_bh(&sta->plink_lock); 615 spin_unlock_bh(&sta->lock);
616 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, 616 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
617 plid, 0); 617 plid, 0);
618 break; 618 break;
@@ -622,10 +622,10 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
622 dot11MeshConfirmTimeout(sdata))) 622 dot11MeshConfirmTimeout(sdata)))
623 sta->ignore_plink_timer = true; 623 sta->ignore_plink_timer = true;
624 624
625 spin_unlock_bh(&sta->plink_lock); 625 spin_unlock_bh(&sta->lock);
626 break; 626 break;
627 default: 627 default:
628 spin_unlock_bh(&sta->plink_lock); 628 spin_unlock_bh(&sta->lock);
629 break; 629 break;
630 } 630 }
631 break; 631 break;
@@ -645,13 +645,13 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
645 sta->ignore_plink_timer = true; 645 sta->ignore_plink_timer = true;
646 646
647 llid = sta->llid; 647 llid = sta->llid;
648 spin_unlock_bh(&sta->plink_lock); 648 spin_unlock_bh(&sta->lock);
649 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, 649 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
650 plid, reason); 650 plid, reason);
651 break; 651 break;
652 case OPN_ACPT: 652 case OPN_ACPT:
653 llid = sta->llid; 653 llid = sta->llid;
654 spin_unlock_bh(&sta->plink_lock); 654 spin_unlock_bh(&sta->lock);
655 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, 655 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
656 plid, 0); 656 plid, 0);
657 break; 657 break;
@@ -659,12 +659,12 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
659 del_timer(&sta->plink_timer); 659 del_timer(&sta->plink_timer);
660 sta->plink_state = PLINK_ESTAB; 660 sta->plink_state = PLINK_ESTAB;
661 mesh_plink_inc_estab_count(sdata); 661 mesh_plink_inc_estab_count(sdata);
662 spin_unlock_bh(&sta->plink_lock); 662 spin_unlock_bh(&sta->lock);
663 mpl_dbg("Mesh plink with %s ESTABLISHED\n", 663 mpl_dbg("Mesh plink with %s ESTABLISHED\n",
664 print_mac(mac, sta->addr)); 664 print_mac(mac, sta->addr));
665 break; 665 break;
666 default: 666 default:
667 spin_unlock_bh(&sta->plink_lock); 667 spin_unlock_bh(&sta->lock);
668 break; 668 break;
669 } 669 }
670 break; 670 break;
@@ -684,7 +684,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
684 sta->ignore_plink_timer = true; 684 sta->ignore_plink_timer = true;
685 685
686 llid = sta->llid; 686 llid = sta->llid;
687 spin_unlock_bh(&sta->plink_lock); 687 spin_unlock_bh(&sta->lock);
688 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, 688 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
689 plid, reason); 689 plid, reason);
690 break; 690 break;
@@ -692,14 +692,14 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
692 del_timer(&sta->plink_timer); 692 del_timer(&sta->plink_timer);
693 sta->plink_state = PLINK_ESTAB; 693 sta->plink_state = PLINK_ESTAB;
694 mesh_plink_inc_estab_count(sdata); 694 mesh_plink_inc_estab_count(sdata);
695 spin_unlock_bh(&sta->plink_lock); 695 spin_unlock_bh(&sta->lock);
696 mpl_dbg("Mesh plink with %s ESTABLISHED\n", 696 mpl_dbg("Mesh plink with %s ESTABLISHED\n",
697 print_mac(mac, sta->addr)); 697 print_mac(mac, sta->addr));
698 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, 698 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
699 plid, 0); 699 plid, 0);
700 break; 700 break;
701 default: 701 default:
702 spin_unlock_bh(&sta->plink_lock); 702 spin_unlock_bh(&sta->lock);
703 break; 703 break;
704 } 704 }
705 break; 705 break;
@@ -713,18 +713,18 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
713 sta->plink_state = PLINK_HOLDING; 713 sta->plink_state = PLINK_HOLDING;
714 llid = sta->llid; 714 llid = sta->llid;
715 mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata)); 715 mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
716 spin_unlock_bh(&sta->plink_lock); 716 spin_unlock_bh(&sta->lock);
717 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, 717 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
718 plid, reason); 718 plid, reason);
719 break; 719 break;
720 case OPN_ACPT: 720 case OPN_ACPT:
721 llid = sta->llid; 721 llid = sta->llid;
722 spin_unlock_bh(&sta->plink_lock); 722 spin_unlock_bh(&sta->lock);
723 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, 723 mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
724 plid, 0); 724 plid, 0);
725 break; 725 break;
726 default: 726 default:
727 spin_unlock_bh(&sta->plink_lock); 727 spin_unlock_bh(&sta->lock);
728 break; 728 break;
729 } 729 }
730 break; 730 break;
@@ -734,7 +734,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
734 if (del_timer(&sta->plink_timer)) 734 if (del_timer(&sta->plink_timer))
735 sta->ignore_plink_timer = 1; 735 sta->ignore_plink_timer = 1;
736 mesh_plink_fsm_restart(sta); 736 mesh_plink_fsm_restart(sta);
737 spin_unlock_bh(&sta->plink_lock); 737 spin_unlock_bh(&sta->lock);
738 break; 738 break;
739 case OPN_ACPT: 739 case OPN_ACPT:
740 case CNF_ACPT: 740 case CNF_ACPT:
@@ -742,19 +742,19 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
742 case CNF_RJCT: 742 case CNF_RJCT:
743 llid = sta->llid; 743 llid = sta->llid;
744 reason = sta->reason; 744 reason = sta->reason;
745 spin_unlock_bh(&sta->plink_lock); 745 spin_unlock_bh(&sta->lock);
746 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, 746 mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
747 plid, reason); 747 plid, reason);
748 break; 748 break;
749 default: 749 default:
750 spin_unlock_bh(&sta->plink_lock); 750 spin_unlock_bh(&sta->lock);
751 } 751 }
752 break; 752 break;
753 default: 753 default:
754 /* should not get here, PLINK_BLOCKED is dealt with at the 754 /* should not get here, PLINK_BLOCKED is dealt with at the
755 * beggining of the function 755 * beggining of the function
756 */ 756 */
757 spin_unlock_bh(&sta->plink_lock); 757 spin_unlock_bh(&sta->lock);
758 break; 758 break;
759 } 759 }
760 760