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 lbs_anycast_get(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 lbs_anycast_set(struct device *dev,
183 struct device_attribute *attr, const char * buf, size_t count)
184{
185 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
186 struct cmd_ds_mesh_access mesh_access;
187 uint32_t datum;
188 int ret;
189
190 memset(&mesh_access, 0, sizeof(mesh_access));
191 sscanf(buf, "%x", &datum);
192 mesh_access.data[0] = cpu_to_le32(datum);
193
194 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
195 if (ret)
196 return ret;
197
198 return strlen(buf);
199}
200
201
202
203
204
205
206
207static ssize_t lbs_prb_rsp_limit_get(struct device *dev,
208 struct device_attribute *attr, char *buf)
209{
210 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
211 struct cmd_ds_mesh_access mesh_access;
212 int ret;
213 u32 retry_limit;
214
215 memset(&mesh_access, 0, sizeof(mesh_access));
216 mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET);
217
218 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
219 &mesh_access);
220 if (ret)
221 return ret;
222
223 retry_limit = le32_to_cpu(mesh_access.data[1]);
224 return snprintf(buf, 10, "%d\n", retry_limit);
225}
226
227
228
229
230
231
232
233
234static ssize_t lbs_prb_rsp_limit_set(struct device *dev,
235 struct device_attribute *attr, const char *buf, size_t count)
236{
237 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
238 struct cmd_ds_mesh_access mesh_access;
239 int ret;
240 unsigned long retry_limit;
241
242 memset(&mesh_access, 0, sizeof(mesh_access));
243 mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);
244
245 ret = kstrtoul(buf, 10, &retry_limit);
246 if (ret)
247 return ret;
248 if (retry_limit > 15)
249 return -ENOTSUPP;
250
251 mesh_access.data[1] = cpu_to_le32(retry_limit);
252
253 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
254 &mesh_access);
255 if (ret)
256 return ret;
257
258 return strlen(buf);
259}
260
261
262
263
264
265
266
267static ssize_t lbs_mesh_get(struct device *dev,
268 struct device_attribute *attr, char * buf)
269{
270 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
271 return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
272}
273
274
275
276
277
278
279
280
281static ssize_t lbs_mesh_set(struct device *dev,
282 struct device_attribute *attr, const char * buf, size_t count)
283{
284 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
285 int enable;
286
287 sscanf(buf, "%x", &enable);
288 enable = !!enable;
289 if (enable == !!priv->mesh_dev)
290 return count;
291
292 if (enable)
293 lbs_add_mesh(priv);
294 else
295 lbs_remove_mesh(priv);
296
297 return count;
298}
299
300
301
302
303
304static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
305
306
307
308
309
310static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
311
312
313
314
315
316static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get,
317 lbs_prb_rsp_limit_set);
318
319static struct attribute *lbs_mesh_sysfs_entries[] = {
320 &dev_attr_anycast_mask.attr,
321 &dev_attr_prb_rsp_limit.attr,
322 NULL,
323};
324
325static const struct attribute_group lbs_mesh_attr_group = {
326 .attrs = lbs_mesh_sysfs_entries,
327};
328
329
330
331
332
333
334static int mesh_get_default_parameters(struct device *dev,
335 struct mrvl_mesh_defaults *defs)
336{
337 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
338 struct cmd_ds_mesh_config cmd;
339 int ret;
340
341 memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
342 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET,
343 CMD_TYPE_MESH_GET_DEFAULTS);
344
345 if (ret)
346 return -EOPNOTSUPP;
347
348 memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults));
349
350 return 0;
351}
352
353
354
355
356
357
358
359static ssize_t bootflag_get(struct device *dev,
360 struct device_attribute *attr, char *buf)
361{
362 struct mrvl_mesh_defaults defs;
363 int ret;
364
365 ret = mesh_get_default_parameters(dev, &defs);
366
367 if (ret)
368 return ret;
369
370 return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag));
371}
372
373
374
375
376
377
378
379
380static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr,
381 const char *buf, size_t count)
382{
383 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
384 struct cmd_ds_mesh_config cmd;
385 uint32_t datum;
386 int ret;
387
388 memset(&cmd, 0, sizeof(cmd));
389 ret = sscanf(buf, "%d", &datum);
390 if ((ret != 1) || (datum > 1))
391 return -EINVAL;
392
393 *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum);
394 cmd.length = cpu_to_le16(sizeof(uint32_t));
395 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
396 CMD_TYPE_MESH_SET_BOOTFLAG);
397 if (ret)
398 return ret;
399
400 return strlen(buf);
401}
402
403
404
405
406
407
408
409static ssize_t boottime_get(struct device *dev,
410 struct device_attribute *attr, char *buf)
411{
412 struct mrvl_mesh_defaults defs;
413 int ret;
414
415 ret = mesh_get_default_parameters(dev, &defs);
416
417 if (ret)
418 return ret;
419
420 return snprintf(buf, 12, "%d\n", defs.boottime);
421}
422
423
424
425
426
427
428
429
430static ssize_t boottime_set(struct device *dev,
431 struct device_attribute *attr, const char *buf, size_t count)
432{
433 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
434 struct cmd_ds_mesh_config cmd;
435 uint32_t datum;
436 int ret;
437
438 memset(&cmd, 0, sizeof(cmd));
439 ret = sscanf(buf, "%d", &datum);
440 if ((ret != 1) || (datum > 255))
441 return -EINVAL;
442
443
444
445
446
447
448
449
450
451 datum = (datum < 20) ? 20 : datum;
452 cmd.data[0] = datum;
453 cmd.length = cpu_to_le16(sizeof(uint8_t));
454 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
455 CMD_TYPE_MESH_SET_BOOTTIME);
456 if (ret)
457 return ret;
458
459 return strlen(buf);
460}
461
462
463
464
465
466
467
468static ssize_t channel_get(struct device *dev,
469 struct device_attribute *attr, char *buf)
470{
471 struct mrvl_mesh_defaults defs;
472 int ret;
473
474 ret = mesh_get_default_parameters(dev, &defs);
475
476 if (ret)
477 return ret;
478
479 return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel));
480}
481
482
483
484
485
486
487
488
489static ssize_t channel_set(struct device *dev, struct device_attribute *attr,
490 const char *buf, size_t count)
491{
492 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
493 struct cmd_ds_mesh_config cmd;
494 uint32_t datum;
495 int ret;
496
497 memset(&cmd, 0, sizeof(cmd));
498 ret = sscanf(buf, "%d", &datum);
499 if (ret != 1 || datum < 1 || datum > 11)
500 return -EINVAL;
501
502 *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum);
503 cmd.length = cpu_to_le16(sizeof(uint16_t));
504 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
505 CMD_TYPE_MESH_SET_DEF_CHANNEL);
506 if (ret)
507 return ret;
508
509 return strlen(buf);
510}
511
512
513
514
515
516
517
518static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
519 char *buf)
520{
521 struct mrvl_mesh_defaults defs;
522 int ret;
523
524 ret = mesh_get_default_parameters(dev, &defs);
525
526 if (ret)
527 return ret;
528
529 if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) {
530 dev_err(dev, "inconsistent mesh ID length\n");
531 defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN;
532 }
533
534 memcpy(buf, defs.meshie.val.mesh_id, defs.meshie.val.mesh_id_len);
535 buf[defs.meshie.val.mesh_id_len] = '\n';
536 buf[defs.meshie.val.mesh_id_len + 1] = '\0';
537
538 return defs.meshie.val.mesh_id_len + 1;
539}
540
541
542
543
544
545
546
547
548static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr,
549 const char *buf, size_t count)
550{
551 struct cmd_ds_mesh_config cmd;
552 struct mrvl_mesh_defaults defs;
553 struct mrvl_meshie *ie;
554 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
555 int len;
556 int ret;
557
558 if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1)
559 return -EINVAL;
560
561 memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
562 ie = (struct mrvl_meshie *) &cmd.data[0];
563
564
565 ret = mesh_get_default_parameters(dev, &defs);
566
567 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
568
569
570 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
571
572 len = count - 1;
573 memcpy(ie->val.mesh_id, buf, len);
574
575 ie->val.mesh_id_len = len;
576
577 ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len;
578
579 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
580 CMD_TYPE_MESH_SET_MESH_IE);
581 if (ret)
582 return ret;
583
584 return strlen(buf);
585}
586
587
588
589
590
591
592
593static ssize_t protocol_id_get(struct device *dev,
594 struct device_attribute *attr, char *buf)
595{
596 struct mrvl_mesh_defaults defs;
597 int ret;
598
599 ret = mesh_get_default_parameters(dev, &defs);
600
601 if (ret)
602 return ret;
603
604 return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id);
605}
606
607
608
609
610
611
612
613
614static ssize_t protocol_id_set(struct device *dev,
615 struct device_attribute *attr, const char *buf, size_t count)
616{
617 struct cmd_ds_mesh_config cmd;
618 struct mrvl_mesh_defaults defs;
619 struct mrvl_meshie *ie;
620 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
621 uint32_t datum;
622 int ret;
623
624 memset(&cmd, 0, sizeof(cmd));
625 ret = sscanf(buf, "%d", &datum);
626 if ((ret != 1) || (datum > 255))
627 return -EINVAL;
628
629
630 ret = mesh_get_default_parameters(dev, &defs);
631
632 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
633
634
635 ie = (struct mrvl_meshie *) &cmd.data[0];
636 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
637
638 ie->val.active_protocol_id = datum;
639
640 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
641 CMD_TYPE_MESH_SET_MESH_IE);
642 if (ret)
643 return ret;
644
645 return strlen(buf);
646}
647
648
649
650
651
652
653
654static ssize_t metric_id_get(struct device *dev,
655 struct device_attribute *attr, char *buf)
656{
657 struct mrvl_mesh_defaults defs;
658 int ret;
659
660 ret = mesh_get_default_parameters(dev, &defs);
661
662 if (ret)
663 return ret;
664
665 return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id);
666}
667
668
669
670
671
672
673
674
675static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr,
676 const char *buf, size_t count)
677{
678 struct cmd_ds_mesh_config cmd;
679 struct mrvl_mesh_defaults defs;
680 struct mrvl_meshie *ie;
681 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
682 uint32_t datum;
683 int ret;
684
685 memset(&cmd, 0, sizeof(cmd));
686 ret = sscanf(buf, "%d", &datum);
687 if ((ret != 1) || (datum > 255))
688 return -EINVAL;
689
690
691 ret = mesh_get_default_parameters(dev, &defs);
692
693 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
694
695
696 ie = (struct mrvl_meshie *) &cmd.data[0];
697 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
698
699 ie->val.active_metric_id = datum;
700
701 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
702 CMD_TYPE_MESH_SET_MESH_IE);
703 if (ret)
704 return ret;
705
706 return strlen(buf);
707}
708
709
710
711
712
713
714
715static ssize_t capability_get(struct device *dev,
716 struct device_attribute *attr, char *buf)
717{
718 struct mrvl_mesh_defaults defs;
719 int ret;
720
721 ret = mesh_get_default_parameters(dev, &defs);
722
723 if (ret)
724 return ret;
725
726 return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability);
727}
728
729
730
731
732
733
734
735
736static ssize_t capability_set(struct device *dev, struct device_attribute *attr,
737 const char *buf, size_t count)
738{
739 struct cmd_ds_mesh_config cmd;
740 struct mrvl_mesh_defaults defs;
741 struct mrvl_meshie *ie;
742 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
743 uint32_t datum;
744 int ret;
745
746 memset(&cmd, 0, sizeof(cmd));
747 ret = sscanf(buf, "%d", &datum);
748 if ((ret != 1) || (datum > 255))
749 return -EINVAL;
750
751
752 ret = mesh_get_default_parameters(dev, &defs);
753
754 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
755
756
757 ie = (struct mrvl_meshie *) &cmd.data[0];
758 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
759
760 ie->val.mesh_capability = datum;
761
762 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
763 CMD_TYPE_MESH_SET_MESH_IE);
764 if (ret)
765 return ret;
766
767 return strlen(buf);
768}
769
770
771static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set);
772static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set);
773static DEVICE_ATTR(channel, 0644, channel_get, channel_set);
774static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set);
775static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set);
776static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set);
777static DEVICE_ATTR(capability, 0644, capability_get, capability_set);
778
779static struct attribute *boot_opts_attrs[] = {
780 &dev_attr_bootflag.attr,
781 &dev_attr_boottime.attr,
782 &dev_attr_channel.attr,
783 NULL
784};
785
786static const struct attribute_group boot_opts_group = {
787 .name = "boot_options",
788 .attrs = boot_opts_attrs,
789};
790
791static struct attribute *mesh_ie_attrs[] = {
792 &dev_attr_mesh_id.attr,
793 &dev_attr_protocol_id.attr,
794 &dev_attr_metric_id.attr,
795 &dev_attr_capability.attr,
796 NULL
797};
798
799static const struct attribute_group mesh_ie_group = {
800 .name = "mesh_ie",
801 .attrs = mesh_ie_attrs,
802};
803
804
805
806
807
808
809
810
811
812
813void lbs_init_mesh(struct lbs_private *priv)
814{
815
816
817
818
819
820 if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) {
821
822
823
824
825
826
827
828
829
830
831
832
833
834 priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
835 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) {
836 priv->mesh_tlv = TLV_TYPE_MESH_ID;
837 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1))
838 priv->mesh_tlv = 0;
839 }
840 } else
841 if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
842 (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) {
843
844
845
846 priv->mesh_tlv = TLV_TYPE_MESH_ID;
847 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1))
848 priv->mesh_tlv = 0;
849 }
850
851
852 lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1);
853}
854
855void lbs_start_mesh(struct lbs_private *priv)
856{
857 lbs_add_mesh(priv);
858
859 if (device_create_file(&priv->dev->dev, &dev_attr_lbs_mesh))
860 netdev_err(priv->dev, "cannot register lbs_mesh attribute\n");
861}
862
863int lbs_deinit_mesh(struct lbs_private *priv)
864{
865 struct net_device *dev = priv->dev;
866 int ret = 0;
867
868 if (priv->mesh_tlv) {
869 device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
870 ret = 1;
871 }
872
873 return ret;
874}
875
876
877
878
879
880
881
882
883static int lbs_mesh_stop(struct net_device *dev)
884{
885 struct lbs_private *priv = dev->ml_priv;
886
887 lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP,
888 lbs_mesh_get_channel(priv));
889
890 spin_lock_irq(&priv->driver_lock);
891
892 netif_stop_queue(dev);
893 netif_carrier_off(dev);
894
895 spin_unlock_irq(&priv->driver_lock);
896
897 lbs_update_mcast(priv);
898 if (!lbs_iface_active(priv))
899 lbs_stop_iface(priv);
900
901 return 0;
902}
903
904
905
906
907
908
909
910static int lbs_mesh_dev_open(struct net_device *dev)
911{
912 struct lbs_private *priv = dev->ml_priv;
913 int ret = 0;
914
915 if (!priv->iface_running) {
916 ret = lbs_start_iface(priv);
917 if (ret)
918 goto out;
919 }
920
921 spin_lock_irq(&priv->driver_lock);
922
923 if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
924 ret = -EBUSY;
925 spin_unlock_irq(&priv->driver_lock);
926 goto out;
927 }
928
929 netif_carrier_on(dev);
930
931 if (!priv->tx_pending_len)
932 netif_wake_queue(dev);
933
934 spin_unlock_irq(&priv->driver_lock);
935
936 ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
937 lbs_mesh_get_channel(priv));
938
939out:
940 return ret;
941}
942
943static const struct net_device_ops mesh_netdev_ops = {
944 .ndo_open = lbs_mesh_dev_open,
945 .ndo_stop = lbs_mesh_stop,
946 .ndo_start_xmit = lbs_hard_start_xmit,
947 .ndo_set_mac_address = lbs_set_mac_address,
948 .ndo_set_rx_mode = lbs_set_multicast_list,
949};
950
951
952
953
954
955
956
957static int lbs_add_mesh(struct lbs_private *priv)
958{
959 struct net_device *mesh_dev = NULL;
960 struct wireless_dev *mesh_wdev;
961 int ret = 0;
962
963
964 mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
965 if (!mesh_wdev) {
966 lbs_deb_mesh("init mshX wireless device failed\n");
967 ret = -ENOMEM;
968 goto done;
969 }
970
971 mesh_dev = alloc_netdev(0, "msh%d", NET_NAME_UNKNOWN, ether_setup);
972 if (!mesh_dev) {
973 lbs_deb_mesh("init mshX device failed\n");
974 ret = -ENOMEM;
975 goto err_free_wdev;
976 }
977
978 mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT;
979 mesh_wdev->wiphy = priv->wdev->wiphy;
980
981 if (priv->mesh_tlv) {
982 sprintf(mesh_wdev->ssid, "mesh");
983 mesh_wdev->mesh_id_up_len = 4;
984 }
985
986 mesh_wdev->netdev = mesh_dev;
987
988 mesh_dev->ml_priv = priv;
989 mesh_dev->ieee80211_ptr = mesh_wdev;
990 priv->mesh_dev = mesh_dev;
991
992 mesh_dev->netdev_ops = &mesh_netdev_ops;
993 mesh_dev->ethtool_ops = &lbs_ethtool_ops;
994 eth_hw_addr_inherit(mesh_dev, priv->dev);
995
996 SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
997
998 mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
999 mesh_dev->sysfs_groups[0] = &lbs_mesh_attr_group;
1000 mesh_dev->sysfs_groups[1] = &boot_opts_group;
1001 mesh_dev->sysfs_groups[2] = &mesh_ie_group;
1002
1003
1004 ret = register_netdev(mesh_dev);
1005 if (ret) {
1006 pr_err("cannot register mshX virtual interface\n");
1007 goto err_free_netdev;
1008 }
1009
1010
1011 ret = 0;
1012 goto done;
1013
1014err_free_netdev:
1015 free_netdev(mesh_dev);
1016
1017err_free_wdev:
1018 kfree(mesh_wdev);
1019
1020done:
1021 return ret;
1022}
1023
1024void lbs_remove_mesh(struct lbs_private *priv)
1025{
1026 struct net_device *mesh_dev;
1027
1028 mesh_dev = priv->mesh_dev;
1029 if (!mesh_dev)
1030 return;
1031
1032 netif_stop_queue(mesh_dev);
1033 netif_carrier_off(mesh_dev);
1034 unregister_netdev(mesh_dev);
1035 priv->mesh_dev = NULL;
1036 kfree(mesh_dev->ieee80211_ptr);
1037 free_netdev(mesh_dev);
1038}
1039
1040
1041
1042
1043
1044struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
1045 struct net_device *dev, struct rxpd *rxpd)
1046{
1047 if (priv->mesh_dev) {
1048 if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) {
1049 if (rxpd->rx_control & RxPD_MESH_FRAME)
1050 dev = priv->mesh_dev;
1051 } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) {
1052 if (rxpd->u.bss.bss_num == MESH_IFACE_ID)
1053 dev = priv->mesh_dev;
1054 }
1055 }
1056 return dev;
1057}
1058
1059
1060void lbs_mesh_set_txpd(struct lbs_private *priv,
1061 struct net_device *dev, struct txpd *txpd)
1062{
1063 if (dev == priv->mesh_dev) {
1064 if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID)
1065 txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
1066 else if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
1067 txpd->u.bss.bss_num = MESH_IFACE_ID;
1068 }
1069}
1070
1071
1072
1073
1074
1075
1076static const char mesh_stat_strings[MESH_STATS_NUM][ETH_GSTRING_LEN] = {
1077 "drop_duplicate_bcast",
1078 "drop_ttl_zero",
1079 "drop_no_fwd_route",
1080 "drop_no_buffers",
1081 "fwded_unicast_cnt",
1082 "fwded_bcast_cnt",
1083 "drop_blind_table",
1084 "tx_failed_cnt"
1085};
1086
1087void lbs_mesh_ethtool_get_stats(struct net_device *dev,
1088 struct ethtool_stats *stats, uint64_t *data)
1089{
1090 struct lbs_private *priv = dev->ml_priv;
1091 struct cmd_ds_mesh_access mesh_access;
1092 int ret;
1093
1094
1095 ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access);
1096
1097 if (ret) {
1098 memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t)));
1099 return;
1100 }
1101
1102 priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
1103 priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
1104 priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
1105 priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
1106 priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
1107 priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
1108 priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
1109 priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
1110
1111 data[0] = priv->mstats.fwd_drop_rbt;
1112 data[1] = priv->mstats.fwd_drop_ttl;
1113 data[2] = priv->mstats.fwd_drop_noroute;
1114 data[3] = priv->mstats.fwd_drop_nobuf;
1115 data[4] = priv->mstats.fwd_unicast_cnt;
1116 data[5] = priv->mstats.fwd_bcast_cnt;
1117 data[6] = priv->mstats.drop_blind;
1118 data[7] = priv->mstats.tx_failed_cnt;
1119}
1120
1121int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset)
1122{
1123 struct lbs_private *priv = dev->ml_priv;
1124
1125 if (sset == ETH_SS_STATS && dev == priv->mesh_dev)
1126 return MESH_STATS_NUM;
1127
1128 return -EOPNOTSUPP;
1129}
1130
1131void lbs_mesh_ethtool_get_strings(struct net_device *dev,
1132 uint32_t stringset, uint8_t *s)
1133{
1134 switch (stringset) {
1135 case ETH_SS_STATS:
1136 memcpy(s, mesh_stat_strings, sizeof(mesh_stat_strings));
1137 break;
1138 }
1139}
1140