1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
|
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -124,7 +124,7 @@
};
static struct ieee80211vap *ath_vap_create(struct ieee80211com *,
- const char *, int, int, struct net_device *);
+ const char *, int, int, struct net_device *, struct ieee80211vap *);
static void ath_vap_delete(struct ieee80211vap *);
static int ath_init(struct net_device *);
static int ath_set_ack_bitrate(struct ath_softc *, int);
@@ -1123,8 +1123,6 @@
autocreatemode = IEEE80211_M_IBSS;
else if (!strcmp(autocreate, "ahdemo"))
autocreatemode = IEEE80211_M_AHDEMO;
- else if (!strcmp(autocreate, "wds"))
- autocreatemode = IEEE80211_M_WDS;
else if (!strcmp(autocreate, "monitor"))
autocreatemode = IEEE80211_M_MONITOR;
else {
@@ -1137,7 +1135,7 @@
if (autocreatemode != -1) {
rtnl_lock();
vap = ieee80211_create_vap(ic, "ath%d", dev,
- autocreatemode, 0);
+ autocreatemode, 0, NULL);
rtnl_unlock();
if (vap == NULL)
EPRINTF(sc, "Autocreation of %s VAP failed.", autocreate);
@@ -1230,14 +1228,14 @@
static struct ieee80211vap *
ath_vap_create(struct ieee80211com *ic, const char *name,
- int opmode, int flags, struct net_device *mdev)
+ int opmode, int flags, struct net_device *mdev, struct ieee80211vap *master)
{
struct ath_softc *sc = ic->ic_dev->priv;
struct ath_hal *ah = sc->sc_ah;
struct net_device *dev;
struct ath_vap *avp;
struct ieee80211vap *vap;
- int ic_opmode;
+ int ic_opmode = IEEE80211_M_STA;
if (ic->ic_dev->flags & IFF_RUNNING) {
/* needs to disable hardware too */
@@ -1271,8 +1269,12 @@
} else
ic_opmode = opmode;
break;
- case IEEE80211_M_HOSTAP:
case IEEE80211_M_WDS:
+ if (!master)
+ return NULL;
+ ic_opmode = ic->ic_opmode;
+ break;
+ case IEEE80211_M_HOSTAP:
/* permit multiple APs and/or WDS links */
/* XXX sta+ap for repeater/bridge application */
if ((sc->sc_nvaps != 0) && (ic->ic_opmode == IEEE80211_M_STA))
@@ -1304,7 +1306,7 @@
}
avp = dev->priv;
- ieee80211_vap_setup(ic, dev, name, opmode, flags);
+ ieee80211_vap_setup(ic, dev, name, opmode, flags, master);
/* override with driver methods */
vap = &avp->av_vap;
avp->av_newstate = vap->iv_newstate;
@@ -4201,8 +4203,7 @@
if (ic->ic_opmode == IEEE80211_M_STA ||
sc->sc_opmode == HAL_M_IBSS || /* NB: AHDEMO too */
(sc->sc_nostabeacons) || sc->sc_scanning ||
- ((ic->ic_opmode == IEEE80211_M_HOSTAP) &&
- (ic->ic_protmode != IEEE80211_PROT_NONE)))
+ (ic->ic_opmode == IEEE80211_M_HOSTAP))
rfilt |= HAL_RX_FILTER_BEACON;
if (sc->sc_nmonvaps > 0)
rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
@@ -9030,8 +9031,6 @@
* set sc->beacons if we might need to restart
* them after ath_reset. */
if (!sc->sc_beacons &&
- (TAILQ_FIRST(&ic->ic_vaps)->iv_opmode !=
- IEEE80211_M_WDS) &&
!txcont_was_active &&
!sc->sc_dfs_cac) {
sc->sc_beacons = 1;
--- a/net80211/ieee80211.c
+++ b/net80211/ieee80211.c
@@ -396,7 +396,7 @@
int
ieee80211_vap_setup(struct ieee80211com *ic, struct net_device *dev,
- const char *name, int opmode, int flags)
+ const char *name, int opmode, int flags, struct ieee80211vap *master)
{
#define IEEE80211_C_OPMODE \
(IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | IEEE80211_C_AHDEMO | \
@@ -510,9 +510,18 @@
vap->iv_monitor_crc_errors = 0;
vap->iv_monitor_phy_errors = 0;
+ TAILQ_INIT(&vap->iv_wdslinks);
- IEEE80211_ADDR_COPY(vap->iv_myaddr, ic->ic_myaddr);
- IEEE80211_ADDR_COPY(vap->iv_bssid, ic->ic_myaddr);
+ if (master && (vap->iv_opmode == IEEE80211_M_WDS)) {
+ vap->iv_master = master;
+ TAILQ_INSERT_TAIL(&master->iv_wdslinks, vap, iv_wdsnext);
+ /* use the same BSSID as the master interface */
+ IEEE80211_ADDR_COPY(vap->iv_myaddr, vap->iv_master->iv_myaddr);
+ IEEE80211_ADDR_COPY(vap->iv_bssid, vap->iv_master->iv_myaddr);
+ } else {
+ IEEE80211_ADDR_COPY(vap->iv_myaddr, ic->ic_myaddr);
+ IEEE80211_ADDR_COPY(vap->iv_bssid, ic->ic_myaddr);
+ }
/* NB: Defer setting dev_addr so driver can override */
ieee80211_crypto_vattach(vap);
@@ -547,7 +556,8 @@
ifmedia_set(&vap->iv_media, imr.ifm_active);
IEEE80211_LOCK_IRQ(ic);
- TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next);
+ if (vap->iv_opmode != IEEE80211_M_WDS)
+ TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next);
IEEE80211_UNLOCK_IRQ(ic);
IEEE80211_ADDR_COPY(dev->dev_addr, vap->iv_myaddr);
@@ -579,10 +589,24 @@
{
struct ieee80211com *ic = vap->iv_ic;
struct net_device *dev = vap->iv_dev;
+ struct ieee80211vap *avp;
+
+ /* Drop all WDS links that belong to this vap */
+ while ((avp = TAILQ_FIRST(&vap->iv_wdslinks)) != NULL) {
+ ieee80211_stop(avp->iv_dev);
+ ic->ic_vap_delete(avp);
+ }
IEEE80211_CANCEL_TQUEUE(&vap->iv_stajoin1tq);
IEEE80211_LOCK_IRQ(ic);
- TAILQ_REMOVE(&ic->ic_vaps, vap, iv_next);
+ if (vap->iv_wdsnode)
+ ieee80211_unref_node(&vap->iv_wdsnode);
+ if ((vap->iv_opmode == IEEE80211_M_WDS) &&
+ (vap->iv_master != NULL))
+ TAILQ_REMOVE(&vap->iv_master->iv_wdslinks, vap, iv_wdsnext);
+ else
+ TAILQ_REMOVE(&ic->ic_vaps, vap, iv_next);
+
if (TAILQ_EMPTY(&ic->ic_vaps)) /* reset to supported mode */
ic->ic_opmode = IEEE80211_M_STA;
IEEE80211_UNLOCK_IRQ(ic);
--- a/net80211/ieee80211_ioctl.h
+++ b/net80211/ieee80211_ioctl.h
@@ -474,7 +474,7 @@
#define IEEE80211_IOC_DTIM_PERIOD 52 /* DTIM period (beacons) */
#define IEEE80211_IOC_BEACON_INTERVAL 53 /* beacon interval (ms) */
#define IEEE80211_IOC_ADDMAC 54 /* add sta to MAC ACL table */
-#define IEEE80211_IOC_DELMAC 55 /* del sta from MAC ACL table */
+#define IEEE80211_IOC_SETMAC 55 /* set interface wds mac addr */
#define IEEE80211_IOC_FF 56 /* ATH fast frames (on, off) */
#define IEEE80211_IOC_TURBOP 57 /* ATH turbo' (on, off) */
#define IEEE80211_IOC_APPIEBUF 58 /* IE in the management frame */
@@ -552,8 +552,8 @@
#define IEEE80211_IOCTL_HALMAP (SIOCIWFIRSTPRIV+21)
#define IEEE80211_IOCTL_ADDMAC (SIOCIWFIRSTPRIV+22)
#define IEEE80211_IOCTL_DELMAC (SIOCIWFIRSTPRIV+24)
-#define IEEE80211_IOCTL_WDSADDMAC (SIOCIWFIRSTPRIV+26)
-#define IEEE80211_IOCTL_WDSDELMAC (SIOCIWFIRSTPRIV+28)
+#define IEEE80211_IOCTL_WDSADDMAC (SIOCIWFIRSTPRIV+25)
+#define IEEE80211_IOCTL_WDSSETMAC (SIOCIWFIRSTPRIV+26)
#define IEEE80211_IOCTL_KICKMAC (SIOCIWFIRSTPRIV+30)
#define IEEE80211_IOCTL_SETSCANLIST (SIOCIWFIRSTPRIV+31)
--- a/net80211/ieee80211_linux.h
+++ b/net80211/ieee80211_linux.h
@@ -650,5 +650,5 @@
int ieee80211_ioctl_create_vap(struct ieee80211com *, struct ifreq *,
struct net_device *);
struct ieee80211vap *ieee80211_create_vap(struct ieee80211com *, char *,
- struct net_device *, int, int);
+ struct net_device *, int, int, struct ieee80211vap *);
#endif /* _NET80211_IEEE80211_LINUX_H_ */
--- a/net80211/ieee80211_var.h
+++ b/net80211/ieee80211_var.h
@@ -187,6 +187,12 @@
struct ieee80211_proc_entry *iv_proc_entries;
struct vlan_group *iv_vlgrp; /* vlan group state */
+ /* list of wds links */
+ TAILQ_HEAD(, ieee80211vap) iv_wdslinks;
+ TAILQ_ENTRY(ieee80211vap) iv_wdsnext;
+ struct ieee80211vap *iv_master;
+ struct ieee80211_node *iv_wdsnode;
+
TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */
struct ieee80211com *iv_ic; /* back ptr to common state */
u_int32_t iv_debug; /* debug msg flags */
@@ -447,7 +453,7 @@
atomic_t ic_node_counter;
/* Virtual AP create/delete */
struct ieee80211vap *(*ic_vap_create)(struct ieee80211com *,
- const char *, int, int, struct net_device *);
+ const char *, int, int, struct net_device *, struct ieee80211vap *);
void (*ic_vap_delete)(struct ieee80211vap *);
/* Send/recv 802.11 management frame */
@@ -703,7 +709,7 @@
int ieee80211_ifattach(struct ieee80211com *);
void ieee80211_ifdetach(struct ieee80211com *);
int ieee80211_vap_setup(struct ieee80211com *, struct net_device *,
- const char *, int, int);
+ const char *, int, int, struct ieee80211vap *);
int ieee80211_vap_attach(struct ieee80211vap *, ifm_change_cb_t, ifm_stat_cb_t);
void ieee80211_vap_detach(struct ieee80211vap *);
void ieee80211_mark_dfs(struct ieee80211com *, struct ieee80211_channel *);
--- a/net80211/ieee80211_wireless.c
+++ b/net80211/ieee80211_wireless.c
@@ -2190,7 +2190,7 @@
ieee80211_scan_flush(ic); /* NB: could optimize */
if (!(xrvap = ic->ic_vap_create(ic, name, IEEE80211_M_HOSTAP,
- IEEE80211_VAP_XR | IEEE80211_CLONE_BSSID, dev)))
+ IEEE80211_VAP_XR | IEEE80211_CLONE_BSSID, dev, NULL)))
return;
/* We use iv_xrvap to link to the parent VAP as well */
@@ -3801,74 +3801,51 @@
return 0;
}
+#define WDSNAME ".wds%d"
static int
-ieee80211_ioctl_wdsmac(struct net_device *dev, struct iw_request_info *info,
+ieee80211_ioctl_wdsaddmac(struct net_device *dev, struct iw_request_info *info,
void *w, char *extra)
{
struct ieee80211vap *vap = dev->priv;
struct sockaddr *sa = (struct sockaddr *)extra;
+ struct ieee80211com *ic = vap->iv_ic;
+ struct ieee80211vap *avp;
+ char *name;
- if (!IEEE80211_ADDR_NULL(vap->wds_mac)) {
- printk("%s: Failed to add WDS MAC: " MAC_FMT "\n", dev->name,
- MAC_ADDR(sa->sa_data));
- printk("%s: Device already has WDS mac address attached,"
- " remove first\n", dev->name);
- return -1;
- }
-
- memcpy(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
-
- printk("%s: Added WDS MAC: " MAC_FMT "\n", dev->name,
- MAC_ADDR(vap->wds_mac));
+ name = kmalloc(strlen(vap->iv_dev->name) + sizeof(WDSNAME) + 1, GFP_KERNEL);
+ if (!name)
+ return -ENOMEM;
- if (IS_UP(vap->iv_dev)) {
- /* Force us back to scan state to force us to go back through RUN
- * state and create/pin the WDS peer node into memory. */
- return ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
- }
+ strcpy(name, vap->iv_dev->name);
+ strcat(name, WDSNAME);
+ avp = ieee80211_create_vap(ic, name, ic->ic_dev, IEEE80211_M_WDS, 0, vap);
+ kfree(name);
+ if (!avp)
+ return -ENOMEM;
+ memcpy(avp->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
return 0;
}
+#undef WDSNAME
static int
-ieee80211_ioctl_wdsdelmac(struct net_device *dev, struct iw_request_info *info,
+ieee80211_ioctl_wdssetmac(struct net_device *dev, struct iw_request_info *info,
void *w, char *extra)
{
struct ieee80211vap *vap = dev->priv;
struct sockaddr *sa = (struct sockaddr *)extra;
- struct ieee80211com *ic = vap->iv_ic;
- struct ieee80211_node *wds_ni;
- /* WDS Mac address filed already? */
- if (IEEE80211_ADDR_NULL(vap->wds_mac))
- return 0;
+ if (vap->iv_opmode != IEEE80211_M_WDS)
+ return -EINVAL;
- /* Compare suplied MAC address with WDS MAC of this interface
- * remove when mac address is known
- */
- if (memcmp(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN) == 0) {
- if (IS_UP(vap->iv_dev)) {
- wds_ni = ieee80211_find_txnode(vap, vap->wds_mac);
- if (wds_ni != NULL) {
- /* Release reference created by find node */
- ieee80211_unref_node(&wds_ni);
- /* Release reference created by transition to RUN state,
- * [pinning peer node into the table] */
- ieee80211_unref_node(&wds_ni);
- }
- }
- memset(vap->wds_mac, 0x00, IEEE80211_ADDR_LEN);
- if (IS_UP(vap->iv_dev)) {
- /* This leaves a dead WDS node, until started again */
- return ic->ic_reset(ic->ic_dev);
- }
- return 0;
+ memcpy(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
+ if (IS_UP(vap->iv_dev)) {
+ /* Force us back to scan state to force us to go back through RUN
+ * state and create/pin the WDS peer node into memory. */
+ return ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
}
- printk("%s: WDS MAC address " MAC_FMT " is not known by this interface\n",
- dev->name, MAC_ADDR(sa->sa_data));
-
- return -1;
+ return 0;
}
/*
@@ -5391,8 +5368,8 @@
IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac"},
{ IEEE80211_IOCTL_WDSADDMAC,
IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_add" },
- { IEEE80211_IOCTL_WDSDELMAC,
- IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_del" },
+ { IEEE80211_IOCTL_WDSSETMAC,
+ IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_set" },
{ IEEE80211_IOCTL_SETCHANLIST,
IW_PRIV_TYPE_CHANLIST | IW_PRIV_SIZE_FIXED, 0,"setchanlist" },
{ IEEE80211_IOCTL_GETCHANLIST,
@@ -5884,8 +5861,8 @@
#endif
set_priv(IEEE80211_IOCTL_ADDMAC, ieee80211_ioctl_addmac),
set_priv(IEEE80211_IOCTL_DELMAC, ieee80211_ioctl_delmac),
- set_priv(IEEE80211_IOCTL_WDSADDMAC, ieee80211_ioctl_wdsmac),
- set_priv(IEEE80211_IOCTL_WDSDELMAC, ieee80211_ioctl_wdsdelmac),
+ set_priv(IEEE80211_IOCTL_WDSADDMAC, ieee80211_ioctl_wdsaddmac),
+ set_priv(IEEE80211_IOCTL_WDSSETMAC, ieee80211_ioctl_wdssetmac),
set_priv(IEEE80211_IOCTL_KICKMAC, ieee80211_ioctl_kickmac),
set_priv(IEEE80211_IOCTL_SETSCANLIST, ieee80211_ioctl_setscanlist),
#ifdef ATH_REVERSE_ENGINEERING
@@ -5956,7 +5933,7 @@
strncpy(name, cp.icp_name, sizeof(name));
- vap = ieee80211_create_vap(ic, name, mdev, cp.icp_opmode, cp.icp_flags);
+ vap = ieee80211_create_vap(ic, name, mdev, cp.icp_opmode, cp.icp_flags, NULL);
if (vap == NULL)
return -EIO;
@@ -5973,9 +5950,9 @@
*/
struct ieee80211vap*
ieee80211_create_vap(struct ieee80211com *ic, char *name,
- struct net_device *mdev, int opmode, int opflags)
+ struct net_device *mdev, int opmode, int opflags, struct ieee80211vap *master)
{
- return ic->ic_vap_create(ic, name, opmode, opflags, mdev);
+ return ic->ic_vap_create(ic, name, opmode, opflags, mdev, master);
}
EXPORT_SYMBOL(ieee80211_create_vap);
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -201,6 +201,7 @@
struct ieee80211_node * ni = ni_or_null;
struct ieee80211com *ic = vap->iv_ic;
struct net_device *dev = vap->iv_dev;
+ struct ieee80211_node *ni_wds = NULL;
struct ieee80211_frame *wh;
struct ieee80211_key *key;
struct ether_header *eh;
@@ -545,11 +546,29 @@
* the node table for the packet source address (addr4).
* If not, add one.
*/
- /* XXX: Useless node mgmt API; make better */
+
+ /* check for wds link first */
if (dir == IEEE80211_FC1_DIR_DSTODS) {
- struct ieee80211_node_table *nt;
+ struct ieee80211vap *avp;
+
+ TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
+ if (!memcmp(avp->wds_mac, wh->i_addr2, IEEE80211_ADDR_LEN)) {
+ IEEE80211_LOCK_IRQ(ni->ni_ic);
+ ni_wds = avp->iv_wdsnode;
+ IEEE80211_UNLOCK_IRQ(ni->ni_ic);
+ break;
+ }
+ }
+ if (ni_wds != NULL) {
+ ieee80211_unref_node(&ni);
+ ni = ieee80211_ref_node(ni_wds);
+ }
+ }
+
+ /* XXX: Useless node mgmt API; make better */
+ if ((dir == IEEE80211_FC1_DIR_DSTODS) && !ni_wds) {
+ struct ieee80211_node_table *nt = &ic->ic_sta;
struct ieee80211_frame_addr4 *wh4;
- struct ieee80211_node *ni_wds;
if (!(vap->iv_flags_ext & IEEE80211_FEXT_WDS)) {
IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
@@ -557,7 +576,6 @@
goto err;
}
wh4 = (struct ieee80211_frame_addr4 *)skb->data;
- nt = &ic->ic_sta;
ni_wds = ieee80211_find_wds_node(nt, wh4->i_addr4);
/* Last call increments ref count if !NULL */
if ((ni_wds != NULL) && (ni_wds != ni)) {
@@ -3084,8 +3102,7 @@
(vap->iv_opmode == IEEE80211_M_STA && ni->ni_associd) ||
(vap->iv_opmode == IEEE80211_M_IBSS) ||
((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
- (vap->iv_opmode == IEEE80211_M_HOSTAP) &&
- (ic->ic_protmode != IEEE80211_PROT_NONE)))) {
+ (vap->iv_opmode == IEEE80211_M_HOSTAP)))) {
vap->iv_stats.is_rx_mgtdiscard++;
return;
}
@@ -3471,13 +3488,53 @@
*/
if (ic->ic_flags & IEEE80211_F_SCAN) {
ieee80211_add_scan(vap, &scan, wh, subtype, rssi, rtsf);
- return;
}
- if ((vap->iv_opmode == IEEE80211_M_IBSS) &&
- (scan.capinfo & IEEE80211_CAPINFO_IBSS)) {
+ /* NB: Behavior of WDS-Link and Ad-Hoc is very similar here:
+ * When we receive a beacon that belongs to the AP that we're
+ * connected to, use it to refresh the local node info.
+ * If no node is found, go through the vap's wds link table
+ * and try to find the sub-vap that is interested in this address
+ */
+ if (((vap->iv_opmode == IEEE80211_M_IBSS) &&
+ (scan.capinfo & IEEE80211_CAPINFO_IBSS)) ||
+ (((vap->iv_opmode == IEEE80211_M_HOSTAP) ||
+ (vap->iv_opmode == IEEE80211_M_WDS)) &&
+ (scan.capinfo & IEEE80211_CAPINFO_ESS))) {
+ struct ieee80211vap *avp = NULL;
+
+ IEEE80211_LOCK_IRQ(vap->iv_ic);
+ if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
+ int found = 0;
+
+ TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
+ if (!memcmp(avp->wds_mac, wh->i_addr2, IEEE80211_ADDR_LEN)) {
+ found = 1;
+ break;
+ }
+ }
+ if (found) {
+ if (!avp->iv_wdsnode)
+ break;
+ ni = ni_or_null = avp->iv_wdsnode;
+ } else {
+ avp = NULL;
+ }
+ }
+ IEEE80211_UNLOCK_IRQ(vap->iv_ic);
+
+
if (ni_or_null == NULL) {
- /* Create a new entry in the neighbor table. */
- ni = ieee80211_add_neighbor(vap, wh, &scan);
+ if (avp) {
+ IEEE80211_LOCK_IRQ(ic);
+ ni = ieee80211_add_neighbor(avp, wh, &scan);
+ /* force assoc */
+ ni->ni_associd |= 0xc000;
+ avp->iv_wdsnode = ieee80211_ref_node(ni);
+ IEEE80211_UNLOCK_IRQ(ic);
+ } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
+ /* Create a new entry in the neighbor table. */
+ ni = ieee80211_add_neighbor(vap, wh, &scan);
+ }
} else {
/*
* Copy data from beacon to neighbor table.
@@ -3490,6 +3547,7 @@
IEEE80211_ADDR_COPY(ni->ni_bssid, wh->i_addr3);
memcpy(ni->ni_tstamp.data, scan.tstamp,
sizeof(ni->ni_tstamp));
+ ni->ni_inact = ni->ni_inact_reload;
ni->ni_intval =
IEEE80211_BINTVAL_SANITISE(scan.bintval);
ni->ni_capinfo = scan.capinfo;
--- a/net80211/ieee80211_node.c
+++ b/net80211/ieee80211_node.c
@@ -1553,22 +1553,24 @@
((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PS_POLL)
struct ieee80211_node_table *nt;
struct ieee80211_node *ni;
+ const u_int8_t *addr;
+
+ if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
+ addr = wh->i_addr1;
+ else
+ addr = wh->i_addr2;
+
+ if (IEEE80211_IS_MULTICAST(addr))
+ return NULL;
/* XXX check ic_bss first in station mode */
/* XXX 4-address frames? */
nt = &ic->ic_sta;
IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
- if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
#ifdef IEEE80211_DEBUG_REFCNT
- ni = ieee80211_find_node_locked_debug(nt, wh->i_addr1, func, line);
+ ni = ieee80211_find_node_locked_debug(nt, addr, func, line);
#else
- ni = ieee80211_find_node_locked(nt, wh->i_addr1);
-#endif
- else
-#ifdef IEEE80211_DEBUG_REFCNT
- ni = ieee80211_find_node_locked_debug(nt, wh->i_addr2, func, line);
-#else
- ni = ieee80211_find_node_locked(nt, wh->i_addr2);
+ ni = ieee80211_find_node_locked(nt, addr);
#endif
IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
@@ -1669,6 +1671,11 @@
{
struct ieee80211vap *vap = ni->ni_vap;
+ IEEE80211_LOCK_IRQ(ni->ni_ic);
+ if (vap && ni == vap->iv_wdsnode)
+ vap->iv_wdsnode = NULL;
+ IEEE80211_UNLOCK_IRQ(ni->ni_ic);
+
atomic_dec(&ni->ni_ic->ic_node_counter);
node_print_message(IEEE80211_MSG_NODE|IEEE80211_MSG_NODE_REF,
1 /* show counter */,
@@ -1781,22 +1788,6 @@
jiffies > ni->ni_rxfragstamp + HZ) {
ieee80211_dev_kfree_skb(&ni->ni_rxfrag);
}
- /*
- * Special case ourself; we may be idle for extended periods
- * of time and regardless reclaiming our state is wrong.
- * Special case a WDS link: it may be dead or idle, but it is
- * never ok to reclaim it, as this will block transmissions
- * and nobody will recreate the node when the WDS peer is
- * available again. */
- if ((ni == ni->ni_vap->iv_bss) ||
- (ni->ni_vap->iv_opmode == IEEE80211_M_WDS &&
- !memcmp(ni->ni_macaddr, ni->ni_vap->wds_mac, ETH_ALEN)))
- {
- /* NB: don't permit it to go negative */
- if (ni->ni_inact > 0)
- ni->ni_inact--;
- continue;
- }
ni->ni_inact--;
if (ni->ni_associd != 0 || isadhoc) {
struct ieee80211vap *vap = ni->ni_vap;
--- a/net80211/ieee80211_output.c
+++ b/net80211/ieee80211_output.c
@@ -246,10 +246,16 @@
* things like power save.
*/
eh = (struct ether_header *)skb->data;
- if (vap->iv_opmode == IEEE80211_M_WDS)
- ni = ieee80211_find_txnode(vap, vap->wds_mac);
- else
+ if (vap->iv_opmode == IEEE80211_M_WDS) {
+ IEEE80211_LOCK_IRQ(ic);
+ ni = vap->iv_wdsnode;
+ IEEE80211_UNLOCK_IRQ(ic);
+ if (!ni)
+ goto bad;
+ ni = ieee80211_ref_node(vap->iv_wdsnode);
+ } else {
ni = ieee80211_find_txnode(vap, eh->ether_dhost);
+ }
if (ni == NULL) {
/* NB: ieee80211_find_txnode does stat+msg */
goto bad;
@@ -788,7 +794,7 @@
break;
case IEEE80211_M_WDS:
use4addr = 1;
- ismulticast = IEEE80211_IS_MULTICAST(ni->ni_macaddr);
+ ismulticast = 0;
break;
case IEEE80211_M_HOSTAP:
if (!IEEE80211_IS_MULTICAST(eh.ether_dhost) &&
@@ -973,7 +979,7 @@
break;
case IEEE80211_M_WDS:
wh->i_fc[1] = IEEE80211_FC1_DIR_DSTODS;
- IEEE80211_ADDR_COPY(wh->i_addr1, ni->ni_macaddr);
+ IEEE80211_ADDR_COPY(wh->i_addr1, vap->wds_mac);
IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr);
IEEE80211_ADDR_COPY(wh->i_addr3, eh.ether_dhost);
IEEE80211_ADDR_COPY(WH4(wh)->i_addr4, eh.ether_shost);
--- a/tools/athkey.c
+++ b/tools/athkey.c
@@ -118,7 +118,7 @@
IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
- IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+ IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
IOCTL_ERR(IEEE80211_IOCTL_READREG),
IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
};
--- a/tools/athchans.c
+++ b/tools/athchans.c
@@ -118,7 +118,7 @@
IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
- IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+ IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
IOCTL_ERR(IEEE80211_IOCTL_READREG),
IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
};
--- a/tools/wlanconfig.c
+++ b/tools/wlanconfig.c
@@ -968,7 +968,7 @@
IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
- IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+ IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
IOCTL_ERR(IEEE80211_IOCTL_READREG),
IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
};
--- a/net80211/ieee80211_proto.c
+++ b/net80211/ieee80211_proto.c
@@ -1557,57 +1557,12 @@
switch (ostate) {
case IEEE80211_S_INIT:
if (vap->iv_opmode == IEEE80211_M_MONITOR ||
- vap->iv_opmode == IEEE80211_M_WDS ||
vap->iv_opmode == IEEE80211_M_HOSTAP) {
/*
* Already have a channel; bypass the
* scan and startup immediately.
*/
ieee80211_create_ibss(vap, ic->ic_curchan);
-
- /* In WDS mode, allocate and initialize peer node. */
- if (vap->iv_opmode == IEEE80211_M_WDS) {
- /* XXX: This is horribly non-atomic. */
- struct ieee80211_node *wds_ni =
- ieee80211_find_node(&ic->ic_sta,
- vap->wds_mac);
-
- if (wds_ni == NULL) {
- wds_ni = ieee80211_alloc_node_table(
- vap,
- vap->wds_mac);
- if (wds_ni != NULL) {
- ieee80211_add_wds_addr(
- &ic->ic_sta,
- wds_ni,
- vap->wds_mac,
- 1);
- ieee80211_ref_node(wds_ni); /* pin in memory */
- }
- else
- IEEE80211_DPRINTF(
- vap,
- IEEE80211_MSG_NODE,
- "%s: Unable to "
- "allocate node for "
- "WDS: " MAC_FMT "\n",
- __func__,
- MAC_ADDR(
- vap->wds_mac)
- );
- }
-
- if (wds_ni != NULL) {
- ieee80211_node_authorize(wds_ni);
- wds_ni->ni_chan =
- vap->iv_bss->ni_chan;
- wds_ni->ni_capinfo =
- ni->ni_capinfo;
- wds_ni->ni_associd = 1;
- wds_ni->ni_ath_flags =
- vap->iv_ath_cap;
- }
- }
break;
}
/* fall thru... */
|