1
2#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
3
4#include <linux/delay.h>
5#include <linux/etherdevice.h>
6#include <linux/hardirq.h>
7#include <linux/netdevice.h>
8#include <linux/if_ether.h>
9#include <linux/if_arp.h>
10#include <linux/kthread.h>
11#include <linux/kfifo.h>
12#include <net/cfg80211.h>
13
14#include "mesh.h"
15#include "decl.h"
16#include "cmd.h"
17
18
19static int lbs_add_mesh(struct lbs_private *priv);
20
21
22
23
24
25static int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
26 struct cmd_ds_mesh_access *cmd)
27{
28 int ret;
29
30 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
31 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
32 cmd->hdr.result = 0;
33
34 cmd->action = cpu_to_le16(cmd_action);
35
36 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
37
38 return ret;
39}
40
41static int __lbs_mesh_config_send(struct lbs_private *priv,
42 struct cmd_ds_mesh_config *cmd,
43 uint16_t action, uint16_t type)
44{
45 int ret;
46 u16 command = CMD_MESH_CONFIG_OLD;
47
48
49
50
51
52 if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
53 command = CMD_MESH_CONFIG |
54 (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
55
56 cmd->hdr.command = cpu_to_le16(command);
57 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
58 cmd->hdr.result = 0;
59
60 cmd->type = cpu_to_le16(type);
61 cmd->action = cpu_to_le16(action);
62
63 ret = lbs_cmd_with_response(priv, command, cmd);
64
65 return ret;
66}
67
68static int lbs_mesh_config_send(struct lbs_private *priv,
69 struct cmd_ds_mesh_config *cmd,
70 uint16_t action, uint16_t type)
71{
72 int ret;
73
74 if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
75 return -EOPNOTSUPP;
76
77 ret = __lbs_mesh_config_send(priv, cmd, action, type);
78 return ret;
79}
80
81
82
83
84
85
86static int lbs_mesh_config(struct lbs_private *priv, uint16_t action,
87 uint16_t chan)
88{
89 struct wireless_dev *mesh_wdev;
90 struct cmd_ds_mesh_config cmd;
91 struct mrvl_meshie *ie;
92
93 memset(&cmd, 0, sizeof(cmd));
94 cmd.channel = cpu_to_le16(chan);
95 ie = (struct mrvl_meshie *)cmd.data;
96
97 switch (action) {
98 case CMD_ACT_MESH_CONFIG_START:
99 ie->id = WLAN_EID_VENDOR_SPECIFIC;
100 ie->val.oui[0] = 0x00;
101 ie->val.oui[1] = 0x50;
102 ie->val.oui[2] = 0x43;
103 ie->val.type = MARVELL_MESH_IE_TYPE;
104 ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
105 ie->val.version = MARVELL_MESH_IE_VERSION;
106 ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
107 ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
108 ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
109
110 if (priv->mesh_dev) {
111 mesh_wdev = priv->mesh_dev->ieee80211_ptr;
112 ie->val.mesh_id_len = mesh_wdev->mesh_id_up_len;
113 memcpy(ie->val.mesh_id, mesh_wdev->ssid,
114 mesh_wdev->mesh_id_up_len);
115 }
116
117 ie->len = sizeof(struct mrvl_meshie_val) -
118 IEEE80211_MAX_SSID_LEN + ie->val.mesh_id_len;
119
120 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
121 break;
122 case CMD_ACT_MESH_CONFIG_STOP:
123 break;
124 default:
125 return -1;
126 }
127 lbs_deb_cmd("mesh config action %d type %x channel %d SSID %*pE\n",
128 action, priv->mesh_tlv, chan, ie->val.mesh_id_len,
129 ie->val.mesh_id);
130
131 return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
132}
133
134int lbs_mesh_set_channel(struct lbs_private *priv, u8 channel)
135{
136 priv->mesh_channel = channel;
137 return lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, channel);
138}
139
140static uint16_t lbs_mesh_get_channel(struct lbs_private *priv)
141{
142 return priv->mesh_channel ?: 1;
143}
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159static ssize_t anycast_mask_show(struct device *dev,
160 struct device_attribute *attr, char *buf)
161{
162 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
163 struct cmd_ds_mesh_access mesh_access;
164 int ret;
165
166 memset(&mesh_access, 0, sizeof(mesh_access));
167
168 ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);
169 if (ret)
170 return ret;
171
172 return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));
173}
174
175
176
177
178
179
180
181
182static ssize_t anycast_mask_store(struct device *dev,
183 struct device_attribute *attr,
184 const char *buf, size_t count)
185{
186 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
187 struct cmd_ds_mesh_access mesh_access;
188 uint32_t datum;
189 int ret;
190
191 memset(&mesh_access, 0, sizeof(mesh_access));
192 sscanf(buf, "%x", &datum);
193 mesh_access.data[0] = cpu_to_le32(datum);
194
195 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
196 if (ret)
197 return ret;
198
199 return strlen(buf);
200}
201
202
203
204
205
206
207
208static ssize_t prb_rsp_limit_show(struct device *dev,
209 struct device_attribute *attr, char *buf)
210{
211 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
212 struct cmd_ds_mesh_access mesh_access;
213 int ret;
214 u32 retry_limit;
215
216 memset(&mesh_access, 0, sizeof(mesh_access));
217 mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET);
218
219 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
220 &mesh_access);
221 if (ret)
222 return ret;
223
224 retry_limit = le32_to_cpu(mesh_access.data[1]);
225 return snprintf(buf, 10, "%d\n", retry_limit);
226}
227
228
229
230
231
232
233
234
235static ssize_t prb_rsp_limit_store(struct device *dev,
236 struct device_attribute *attr,
237 const char *buf, size_t count)
238{
239 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
240 struct cmd_ds_mesh_access mesh_access;
241 int ret;
242 unsigned long retry_limit;
243
244 memset(&mesh_access, 0, sizeof(mesh_access));
245 mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);
246
247 ret = kstrtoul(buf, 10, &retry_limit);
248 if (ret)
249 return ret;
250 if (retry_limit > 15)
251 return -ENOTSUPP;
252
253 mesh_access.data[1] = cpu_to_le32(retry_limit);
254
255 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
256 &mesh_access);
257 if (ret)
258 return ret;
259
260 return strlen(buf);
261}
262
263
264
265
266
267
268
269static ssize_t lbs_mesh_show(struct device *dev,
270 struct device_attribute *attr, char *buf)
271{
272 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
273 return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
274}
275
276
277
278
279
280
281
282
283static ssize_t lbs_mesh_store(struct device *dev,
284 struct device_attribute *attr,
285 const char *buf, size_t count)
286{
287 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
288 int enable;
289
290 sscanf(buf, "%x", &enable);
291 enable = !!enable;
292 if (enable == !!priv->mesh_dev)
293 return count;
294
295 if (enable)
296 lbs_add_mesh(priv);
297 else
298 lbs_remove_mesh(priv);
299
300 return count;
301}
302
303
304
305
306
307static DEVICE_ATTR_RW(lbs_mesh);
308
309
310
311
312
313static DEVICE_ATTR_RW(anycast_mask);
314
315
316
317
318
319static DEVICE_ATTR_RW(prb_rsp_limit);
320
321static struct attribute *lbs_mesh_sysfs_entries[] = {
322 &dev_attr_anycast_mask.attr,
323 &dev_attr_prb_rsp_limit.attr,
324 NULL,
325};
326
327static const struct attribute_group lbs_mesh_attr_group = {
328 .attrs = lbs_mesh_sysfs_entries,
329};
330
331
332
333
334
335
336static int mesh_get_default_parameters(struct device *dev,
337 struct mrvl_mesh_defaults *defs)
338{
339 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
340 struct cmd_ds_mesh_config cmd;
341 int ret;
342
343 memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
344 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET,
345 CMD_TYPE_MESH_GET_DEFAULTS);
346
347 if (ret)
348 return -EOPNOTSUPP;
349
350 memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults));
351
352 return 0;
353}
354
355
356
357
358
359
360
361static ssize_t bootflag_show(struct device *dev,
362 struct device_attribute *attr, char *buf)
363{
364 struct mrvl_mesh_defaults defs;
365 int ret;
366
367 ret = mesh_get_default_parameters(dev, &defs);
368
369 if (ret)
370 return ret;
371
372 return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag));
373}
374
375
376
377
378
379
380
381
382static ssize_t bootflag_store(struct device *dev, struct device_attribute *attr,
383 const char *buf, size_t count)
384{
385 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
386 struct cmd_ds_mesh_config cmd;
387 uint32_t datum;
388 int ret;
389
390 memset(&cmd, 0, sizeof(cmd));
391 ret = sscanf(buf, "%d", &datum);
392 if ((ret != 1) || (datum > 1))
393 return -EINVAL;
394
395 *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum);
396 cmd.length = cpu_to_le16(sizeof(uint32_t));
397 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
398 CMD_TYPE_MESH_SET_BOOTFLAG);
399 if (ret)
400 return ret;
401
402 return strlen(buf);
403}
404
405
406
407
408
409
410
411static ssize_t boottime_show(struct device *dev,
412 struct device_attribute *attr, char *buf)
413{
414 struct mrvl_mesh_defaults defs;
415 int ret;
416
417 ret = mesh_get_default_parameters(dev, &defs);
418
419 if (ret)
420 return ret;
421
422 return snprintf(buf, 12, "%d\n", defs.boottime);
423}
424
425
426
427
428
429
430
431
432static ssize_t boottime_store(struct device *dev,
433 struct device_attribute *attr,
434 const char *buf, size_t count)
435{
436 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
437 struct cmd_ds_mesh_config cmd;
438 uint32_t datum;
439 int ret;
440
441 memset(&cmd, 0, sizeof(cmd));
442 ret = sscanf(buf, "%d", &datum);
443 if ((ret != 1) || (datum > 255))
444 return -EINVAL;
445
446
447
448
449
450
451
452
453
454 datum = (datum < 20) ? 20 : datum;
455 cmd.data[0] = datum;
456 cmd.length = cpu_to_le16(sizeof(uint8_t));
457 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
458 CMD_TYPE_MESH_SET_BOOTTIME);
459 if (ret)
460 return ret;
461
462 return strlen(buf);
463}
464
465
466
467
468
469
470
471static ssize_t channel_show(struct device *dev,
472 struct device_attribute *attr, char *buf)
473{
474 struct mrvl_mesh_defaults defs;
475 int ret;
476
477 ret = mesh_get_default_parameters(dev, &defs);
478
479 if (ret)
480 return ret;
481
482 return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel));
483}
484
485
486
487
488
489
490
491
492static ssize_t channel_store(struct device *dev, struct device_attribute *attr,
493 const char *buf, size_t count)
494{
495 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
496 struct cmd_ds_mesh_config cmd;
497 uint32_t datum;
498 int ret;
499
500 memset(&cmd, 0, sizeof(cmd));
501 ret = sscanf(buf, "%d", &datum);
502 if (ret != 1 || datum < 1 || datum > 11)
503 return -EINVAL;
504
505 *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum);
506 cmd.length = cpu_to_le16(sizeof(uint16_t));
507 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
508 CMD_TYPE_MESH_SET_DEF_CHANNEL);
509 if (ret)
510 return ret;
511
512 return strlen(buf);
513}
514
515
516
517
518
519
520
521static ssize_t mesh_id_show(struct device *dev, struct device_attribute *attr,
522 char *buf)
523{
524 struct mrvl_mesh_defaults defs;
525 int ret;
526
527 ret = mesh_get_default_parameters(dev, &defs);
528
529 if (ret)
530 return ret;
531
532 if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) {
533 dev_err(dev, "inconsistent mesh ID length\n");
534 defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN;
535 }
536
537 memcpy(buf, defs.meshie.val.mesh_id, defs.meshie.val.mesh_id_len);
538 buf[defs.meshie.val.mesh_id_len] = '\n';
539 buf[defs.meshie.val.mesh_id_len + 1] = '\0';
540
541 return defs.meshie.val.mesh_id_len + 1;
542}
543
544
545
546
547
548
549
550
551static ssize_t mesh_id_store(struct device *dev, struct device_attribute *attr,
552 const char *buf, size_t count)
553{
554 struct cmd_ds_mesh_config cmd;
555 struct mrvl_mesh_defaults defs;
556 struct mrvl_meshie *ie;
557 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
558 int len;
559 int ret;
560
561 if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1)
562 return -EINVAL;
563
564 memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
565 ie = (struct mrvl_meshie *) &cmd.data[0];
566
567
568 ret = mesh_get_default_parameters(dev, &defs);
569
570 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
571
572
573 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
574
575 len = count - 1;
576 memcpy(ie->val.mesh_id, buf, len);
577
578 ie->val.mesh_id_len = len;
579
580 ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len;
581
582 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
583 CMD_TYPE_MESH_SET_MESH_IE);
584 if (ret)
585 return ret;
586
587 return strlen(buf);
588}
589
590
591
592
593
594
595
596static ssize_t protocol_id_show(struct device *dev,
597 struct device_attribute *attr,
598 char *buf)
599{
600 struct mrvl_mesh_defaults defs;
601 int ret;
602
603 ret = mesh_get_default_parameters(dev, &defs);
604
605 if (ret)
606 return ret;
607
608 return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id);
609}
610
611
612
613
614
615
616
617
618static ssize_t protocol_id_store(struct device *dev,
619 struct device_attribute *attr,
620 const char *buf, size_t count)
621{
622 struct cmd_ds_mesh_config cmd;
623 struct mrvl_mesh_defaults defs;
624 struct mrvl_meshie *ie;
625 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
626 uint32_t datum;
627 int ret;
628
629 memset(&cmd, 0, sizeof(cmd));
630 ret = sscanf(buf, "%d", &datum);
631 if ((ret != 1) || (datum > 255))
632 return -EINVAL;
633
634
635 ret = mesh_get_default_parameters(dev, &defs);
636
637 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
638
639
640 ie = (struct mrvl_meshie *) &cmd.data[0];
641 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
642
643 ie->val.active_protocol_id = datum;
644
645 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
646 CMD_TYPE_MESH_SET_MESH_IE);
647 if (ret)
648 return ret;
649
650 return strlen(buf);
651}
652
653
654
655
656
657
658
659static ssize_t metric_id_show(struct device *dev,
660 struct device_attribute *attr, char *buf)
661{
662 struct mrvl_mesh_defaults defs;
663 int ret;
664
665 ret = mesh_get_default_parameters(dev, &defs);
666
667 if (ret)
668 return ret;
669
670 return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id);
671}
672
673
674
675
676
677
678
679
680static ssize_t metric_id_store(struct device *dev,
681 struct device_attribute *attr,
682 const char *buf, size_t count)
683{
684 struct cmd_ds_mesh_config cmd;
685 struct mrvl_mesh_defaults defs;
686 struct mrvl_meshie *ie;
687 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
688 uint32_t datum;
689 int ret;
690
691 memset(&cmd, 0, sizeof(cmd));
692 ret = sscanf(buf, "%d", &datum);
693 if ((ret != 1) || (datum > 255))
694 return -EINVAL;
695
696
697 ret = mesh_get_default_parameters(dev, &defs);
698
699 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
700
701
702 ie = (struct mrvl_meshie *) &cmd.data[0];
703 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
704
705 ie->val.active_metric_id = datum;
706
707 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
708 CMD_TYPE_MESH_SET_MESH_IE);
709 if (ret)
710 return ret;
711
712 return strlen(buf);
713}
714
715
716
717
718
719
720
721static ssize_t capability_show(struct device *dev,
722 struct device_attribute *attr, char *buf)
723{
724 struct mrvl_mesh_defaults defs;
725 int ret;
726
727 ret = mesh_get_default_parameters(dev, &defs);
728
729 if (ret)
730 return ret;
731
732 return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability);
733}
734
735
736
737
738
739
740
741
742static ssize_t capability_store(struct device *dev,
743 struct device_attribute *attr,
744 const char *buf, size_t count)
745{
746 struct cmd_ds_mesh_config cmd;
747 struct mrvl_mesh_defaults defs;
748 struct mrvl_meshie *ie;
749 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
750 uint32_t datum;
751 int ret;
752
753 memset(&cmd, 0, sizeof(cmd));
754 ret = sscanf(buf, "%d", &datum);
755 if ((ret != 1) || (datum > 255))
756 return -EINVAL;
757
758
759 ret = mesh_get_default_parameters(dev, &defs);
760
761 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
762
763
764 ie = (struct mrvl_meshie *) &cmd.data[0];
765 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
766
767 ie->val.mesh_capability = datum;
768
769 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
770 CMD_TYPE_MESH_SET_MESH_IE);
771 if (ret)
772 return ret;
773
774 return strlen(buf);
775}
776
777
778static DEVICE_ATTR_RW(bootflag);
779static DEVICE_ATTR_RW(boottime);
780static DEVICE_ATTR_RW(channel);
781static DEVICE_ATTR_RW(mesh_id);
782static DEVICE_ATTR_RW(protocol_id);
783static DEVICE_ATTR_RW(metric_id);
784static DEVICE_ATTR_RW(capability);
785
786static struct attribute *boot_opts_attrs[] = {
787 &dev_attr_bootflag.attr,
788 &dev_attr_boottime.attr,
789 &dev_attr_channel.attr,
790 NULL
791};
792
793static const struct attribute_group boot_opts_group = {
794 .name = "boot_options",
795 .attrs = boot_opts_attrs,
796};
797
798static struct attribute *mesh_ie_attrs[] = {
799 &dev_attr_mesh_id.attr,
800 &dev_attr_protocol_id.attr,
801 &dev_attr_metric_id.attr,
802 &dev_attr_capability.attr,
803 NULL
804};
805
806static const struct attribute_group mesh_ie_group = {
807 .name = "mesh_ie",
808 .attrs = mesh_ie_attrs,
809};
810
811
812
813
814
815
816
817
818
819
820void lbs_init_mesh(struct lbs_private *priv)
821{
822
823
824
825
826
827 if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) {
828
829
830
831
832
833
834
835
836
837
838
839
840
841 priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
842 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) {
843 priv->mesh_tlv = TLV_TYPE_MESH_ID;
844 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1))
845 priv->mesh_tlv = 0;
846 }
847 } else
848 if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
849 (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) {
850
851
852
853 priv->mesh_tlv = TLV_TYPE_MESH_ID;
854 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1))
855 priv->mesh_tlv = 0;
856 }
857
858
859 lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1);
860}
861
862void lbs_start_mesh(struct lbs_private *priv)
863{
864 lbs_add_mesh(priv);
865
866 if (device_create_file(&priv->dev->dev, &dev_attr_lbs_mesh))
867 netdev_err(priv->dev, "cannot register lbs_mesh attribute\n");
868}
869
870int lbs_deinit_mesh(struct lbs_private *priv)
871{
872 struct net_device *dev = priv->dev;
873 int ret = 0;
874
875 if (priv->mesh_tlv) {
876 device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
877 ret = 1;
878 }
879
880 return ret;
881}
882
883
884
885
886
887
888
889
890static int lbs_mesh_stop(struct net_device *dev)
891{
892 struct lbs_private *priv = dev->ml_priv;
893
894 lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP,
895 lbs_mesh_get_channel(priv));
896
897 spin_lock_irq(&priv->driver_lock);
898
899 netif_stop_queue(dev);
900 netif_carrier_off(dev);
901
902 spin_unlock_irq(&priv->driver_lock);
903
904 lbs_update_mcast(priv);
905 if (!lbs_iface_active(priv))
906 lbs_stop_iface(priv);
907
908 return 0;
909}
910
911
912
913
914
915
916
917static int lbs_mesh_dev_open(struct net_device *dev)
918{
919 struct lbs_private *priv = dev->ml_priv;
920 int ret = 0;
921
922 if (!priv->iface_running) {
923 ret = lbs_start_iface(priv);
924 if (ret)
925 goto out;
926 }
927
928 spin_lock_irq(&priv->driver_lock);
929
930 if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
931 ret = -EBUSY;
932 spin_unlock_irq(&priv->driver_lock);
933 goto out;
934 }
935
936 netif_carrier_on(dev);
937
938 if (!priv->tx_pending_len)
939 netif_wake_queue(dev);
940
941 spin_unlock_irq(&priv->driver_lock);
942
943 ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
944 lbs_mesh_get_channel(priv));
945
946out:
947 return ret;
948}
949
950static const struct net_device_ops mesh_netdev_ops = {
951 .ndo_open = lbs_mesh_dev_open,
952 .ndo_stop = lbs_mesh_stop,
953 .ndo_start_xmit = lbs_hard_start_xmit,
954 .ndo_set_mac_address = lbs_set_mac_address,
955 .ndo_set_rx_mode = lbs_set_multicast_list,
956};
957
958
959
960
961
962
963
964static int lbs_add_mesh(struct lbs_private *priv)
965{
966 struct net_device *mesh_dev = NULL;
967 struct wireless_dev *mesh_wdev;
968 int ret = 0;
969
970
971 mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
972 if (!mesh_wdev) {
973 lbs_deb_mesh("init mshX wireless device failed\n");
974 ret = -ENOMEM;
975 goto done;
976 }
977
978 mesh_dev = alloc_netdev(0, "msh%d", NET_NAME_UNKNOWN, ether_setup);
979 if (!mesh_dev) {
980 lbs_deb_mesh("init mshX device failed\n");
981 ret = -ENOMEM;
982 goto err_free_wdev;
983 }
984
985 mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT;
986 mesh_wdev->wiphy = priv->wdev->wiphy;
987
988 if (priv->mesh_tlv) {
989 sprintf(mesh_wdev->ssid, "mesh");
990 mesh_wdev->mesh_id_up_len = 4;
991 }
992
993 mesh_wdev->netdev = mesh_dev;
994
995 mesh_dev->ml_priv = priv;
996 mesh_dev->ieee80211_ptr = mesh_wdev;
997 priv->mesh_dev = mesh_dev;
998
999 mesh_dev->netdev_ops = &mesh_netdev_ops;
1000 mesh_dev->ethtool_ops = &lbs_ethtool_ops;
1001 eth_hw_addr_inherit(mesh_dev, priv->dev);
1002
1003 SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
1004
1005 mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
1006 mesh_dev->sysfs_groups[0] = &lbs_mesh_attr_group;
1007 mesh_dev->sysfs_groups[1] = &boot_opts_group;
1008 mesh_dev->sysfs_groups[2] = &mesh_ie_group;
1009
1010
1011 ret = register_netdev(mesh_dev);
1012 if (ret) {
1013 pr_err("cannot register mshX virtual interface\n");
1014 goto err_free_netdev;
1015 }
1016
1017
1018 ret = 0;
1019 goto done;
1020
1021err_free_netdev:
1022 free_netdev(mesh_dev);
1023
1024err_free_wdev:
1025 kfree(mesh_wdev);
1026
1027done:
1028 return ret;
1029}
1030
1031void lbs_remove_mesh(struct lbs_private *priv)
1032{
1033 struct net_device *mesh_dev;
1034
1035 mesh_dev = priv->mesh_dev;
1036 if (!mesh_dev)
1037 return;
1038
1039 netif_stop_queue(mesh_dev);
1040 netif_carrier_off(mesh_dev);
1041 unregister_netdev(mesh_dev);
1042 priv->mesh_dev = NULL;
1043 kfree(mesh_dev->ieee80211_ptr);
1044 free_netdev(mesh_dev);
1045}
1046
1047
1048
1049
1050
1051struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
1052 struct net_device *dev, struct rxpd *rxpd)
1053{
1054 if (priv->mesh_dev) {
1055 if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) {
1056 if (rxpd->rx_control & RxPD_MESH_FRAME)
1057 dev = priv->mesh_dev;
1058 } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) {
1059 if (rxpd->u.bss.bss_num == MESH_IFACE_ID)
1060 dev = priv->mesh_dev;
1061 }
1062 }
1063 return dev;
1064}
1065
1066
1067void lbs_mesh_set_txpd(struct lbs_private *priv,
1068 struct net_device *dev, struct txpd *txpd)
1069{
1070 if (dev == priv->mesh_dev) {
1071 if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID)
1072 txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
1073 else if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
1074 txpd->u.bss.bss_num = MESH_IFACE_ID;
1075 }
1076}
1077
1078
1079
1080
1081
1082
1083static const char mesh_stat_strings[MESH_STATS_NUM][ETH_GSTRING_LEN] = {
1084 "drop_duplicate_bcast",
1085 "drop_ttl_zero",
1086 "drop_no_fwd_route",
1087 "drop_no_buffers",
1088 "fwded_unicast_cnt",
1089 "fwded_bcast_cnt",
1090 "drop_blind_table",
1091 "tx_failed_cnt"
1092};
1093
1094void lbs_mesh_ethtool_get_stats(struct net_device *dev,
1095 struct ethtool_stats *stats, uint64_t *data)
1096{
1097 struct lbs_private *priv = dev->ml_priv;
1098 struct cmd_ds_mesh_access mesh_access;
1099 int ret;
1100
1101
1102 ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access);
1103
1104 if (ret) {
1105 memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t)));
1106 return;
1107 }
1108
1109 priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
1110 priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
1111 priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
1112 priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
1113 priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
1114 priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
1115 priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
1116 priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
1117
1118 data[0] = priv->mstats.fwd_drop_rbt;
1119 data[1] = priv->mstats.fwd_drop_ttl;
1120 data[2] = priv->mstats.fwd_drop_noroute;
1121 data[3] = priv->mstats.fwd_drop_nobuf;
1122 data[4] = priv->mstats.fwd_unicast_cnt;
1123 data[5] = priv->mstats.fwd_bcast_cnt;
1124 data[6] = priv->mstats.drop_blind;
1125 data[7] = priv->mstats.tx_failed_cnt;
1126}
1127
1128int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset)
1129{
1130 struct lbs_private *priv = dev->ml_priv;
1131
1132 if (sset == ETH_SS_STATS && dev == priv->mesh_dev)
1133 return MESH_STATS_NUM;
1134
1135 return -EOPNOTSUPP;
1136}
1137
1138void lbs_mesh_ethtool_get_strings(struct net_device *dev,
1139 uint32_t stringset, uint8_t *s)
1140{
1141 switch (stringset) {
1142 case ETH_SS_STATS:
1143 memcpy(s, mesh_stat_strings, sizeof(mesh_stat_strings));
1144 break;
1145 }
1146}
1147