Commit | Line | Data |
---|---|---|
0e4e06ae JP |
1 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
2 | ||
15dbaac0 JC |
3 | #include <linux/delay.h> |
4 | #include <linux/etherdevice.h> | |
a6b7a407 | 5 | #include <linux/hardirq.h> |
15dbaac0 | 6 | #include <linux/netdevice.h> |
1f044931 | 7 | #include <linux/if_ether.h> |
15dbaac0 JC |
8 | #include <linux/if_arp.h> |
9 | #include <linux/kthread.h> | |
10 | #include <linux/kfifo.h> | |
e86dc1ca | 11 | #include <net/cfg80211.h> |
15dbaac0 | 12 | |
e0e42da3 | 13 | #include "mesh.h" |
15dbaac0 | 14 | #include "decl.h" |
15dbaac0 JC |
15 | #include "cmd.h" |
16 | ||
e0e42da3 | 17 | |
3db4f989 DD |
18 | static int lbs_add_mesh(struct lbs_private *priv); |
19 | ||
20 | /*************************************************************************** | |
21 | * Mesh command handling | |
22 | */ | |
23 | ||
24 | static int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action, | |
25 | struct cmd_ds_mesh_access *cmd) | |
26 | { | |
27 | int ret; | |
28 | ||
29 | lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action); | |
30 | ||
31 | cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS); | |
32 | cmd->hdr.size = cpu_to_le16(sizeof(*cmd)); | |
33 | cmd->hdr.result = 0; | |
34 | ||
35 | cmd->action = cpu_to_le16(cmd_action); | |
36 | ||
37 | ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd); | |
38 | ||
39 | lbs_deb_leave(LBS_DEB_CMD); | |
40 | return ret; | |
41 | } | |
42 | ||
43 | static int __lbs_mesh_config_send(struct lbs_private *priv, | |
44 | struct cmd_ds_mesh_config *cmd, | |
45 | uint16_t action, uint16_t type) | |
46 | { | |
47 | int ret; | |
48 | u16 command = CMD_MESH_CONFIG_OLD; | |
49 | ||
50 | lbs_deb_enter(LBS_DEB_CMD); | |
51 | ||
52 | /* | |
53 | * Command id is 0xac for v10 FW along with mesh interface | |
54 | * id in bits 14-13-12. | |
55 | */ | |
56 | if (priv->mesh_tlv == TLV_TYPE_MESH_ID) | |
57 | command = CMD_MESH_CONFIG | | |
58 | (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET); | |
59 | ||
60 | cmd->hdr.command = cpu_to_le16(command); | |
61 | cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config)); | |
62 | cmd->hdr.result = 0; | |
63 | ||
64 | cmd->type = cpu_to_le16(type); | |
65 | cmd->action = cpu_to_le16(action); | |
66 | ||
67 | ret = lbs_cmd_with_response(priv, command, cmd); | |
68 | ||
69 | lbs_deb_leave(LBS_DEB_CMD); | |
70 | return ret; | |
71 | } | |
72 | ||
73 | static int lbs_mesh_config_send(struct lbs_private *priv, | |
74 | struct cmd_ds_mesh_config *cmd, | |
75 | uint16_t action, uint16_t type) | |
76 | { | |
77 | int ret; | |
78 | ||
79 | if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG)) | |
80 | return -EOPNOTSUPP; | |
81 | ||
82 | ret = __lbs_mesh_config_send(priv, cmd, action, type); | |
83 | return ret; | |
84 | } | |
85 | ||
86 | /* This function is the CMD_MESH_CONFIG legacy function. It only handles the | |
87 | * START and STOP actions. The extended actions supported by CMD_MESH_CONFIG | |
88 | * are all handled by preparing a struct cmd_ds_mesh_config and passing it to | |
89 | * lbs_mesh_config_send. | |
90 | */ | |
91 | static int lbs_mesh_config(struct lbs_private *priv, uint16_t action, | |
92 | uint16_t chan) | |
93 | { | |
94 | struct cmd_ds_mesh_config cmd; | |
95 | struct mrvl_meshie *ie; | |
96 | DECLARE_SSID_BUF(ssid); | |
97 | ||
98 | memset(&cmd, 0, sizeof(cmd)); | |
99 | cmd.channel = cpu_to_le16(chan); | |
100 | ie = (struct mrvl_meshie *)cmd.data; | |
101 | ||
102 | switch (action) { | |
103 | case CMD_ACT_MESH_CONFIG_START: | |
104 | ie->id = WLAN_EID_GENERIC; | |
105 | ie->val.oui[0] = 0x00; | |
106 | ie->val.oui[1] = 0x50; | |
107 | ie->val.oui[2] = 0x43; | |
108 | ie->val.type = MARVELL_MESH_IE_TYPE; | |
109 | ie->val.subtype = MARVELL_MESH_IE_SUBTYPE; | |
110 | ie->val.version = MARVELL_MESH_IE_VERSION; | |
111 | ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP; | |
112 | ie->val.active_metric_id = MARVELL_MESH_METRIC_ID; | |
113 | ie->val.mesh_capability = MARVELL_MESH_CAPABILITY; | |
114 | ie->val.mesh_id_len = priv->mesh_ssid_len; | |
115 | memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len); | |
116 | ie->len = sizeof(struct mrvl_meshie_val) - | |
117 | IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len; | |
118 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val)); | |
119 | break; | |
120 | case CMD_ACT_MESH_CONFIG_STOP: | |
121 | break; | |
122 | default: | |
123 | return -1; | |
124 | } | |
125 | lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n", | |
126 | action, priv->mesh_tlv, chan, | |
127 | print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len)); | |
128 | ||
129 | return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv); | |
130 | } | |
131 | ||
49fee692 DD |
132 | int lbs_mesh_set_channel(struct lbs_private *priv, u8 channel) |
133 | { | |
134 | return lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, channel); | |
135 | } | |
136 | ||
137 | static uint16_t lbs_mesh_get_channel(struct lbs_private *priv) | |
138 | { | |
139 | struct wireless_dev *mesh_wdev = priv->mesh_dev->ieee80211_ptr; | |
140 | if (mesh_wdev->channel) | |
141 | return mesh_wdev->channel->hw_value; | |
142 | else | |
143 | return 1; | |
144 | } | |
3db4f989 | 145 | |
e0e42da3 HS |
146 | /*************************************************************************** |
147 | * Mesh sysfs support | |
148 | */ | |
149 | ||
8973a6e7 | 150 | /* |
e0e42da3 HS |
151 | * Attributes exported through sysfs |
152 | */ | |
153 | ||
154 | /** | |
8973a6e7 RD |
155 | * lbs_anycast_get - Get function for sysfs attribute anycast_mask |
156 | * @dev: the &struct device | |
157 | * @attr: device attributes | |
158 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
159 | */ |
160 | static ssize_t lbs_anycast_get(struct device *dev, | |
161 | struct device_attribute *attr, char * buf) | |
162 | { | |
163 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
164 | struct cmd_ds_mesh_access mesh_access; | |
165 | int ret; | |
166 | ||
167 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
168 | ||
169 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
170 | if (ret) | |
171 | return ret; | |
172 | ||
173 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); | |
174 | } | |
175 | ||
176 | /** | |
8973a6e7 RD |
177 | * lbs_anycast_set - Set function for sysfs attribute anycast_mask |
178 | * @dev: the &struct device | |
179 | * @attr: device attributes | |
180 | * @buf: buffer that contains new attribute value | |
181 | * @count: size of buffer | |
e0e42da3 HS |
182 | */ |
183 | static ssize_t lbs_anycast_set(struct device *dev, | |
184 | struct device_attribute *attr, 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 | /** | |
8973a6e7 RD |
203 | * lbs_prb_rsp_limit_get - Get function for sysfs attribute prb_rsp_limit |
204 | * @dev: the &struct device | |
205 | * @attr: device attributes | |
206 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
207 | */ |
208 | static ssize_t lbs_prb_rsp_limit_get(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 | /** | |
8973a6e7 RD |
229 | * lbs_prb_rsp_limit_set - Set function for sysfs attribute prb_rsp_limit |
230 | * @dev: the &struct device | |
231 | * @attr: device attributes | |
232 | * @buf: buffer that contains new attribute value | |
233 | * @count: size of buffer | |
e0e42da3 HS |
234 | */ |
235 | static ssize_t lbs_prb_rsp_limit_set(struct device *dev, | |
236 | struct device_attribute *attr, const char *buf, size_t count) | |
237 | { | |
238 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
239 | struct cmd_ds_mesh_access mesh_access; | |
240 | int ret; | |
241 | unsigned long retry_limit; | |
242 | ||
243 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
244 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET); | |
245 | ||
246 | if (!strict_strtoul(buf, 10, &retry_limit)) | |
247 | return -ENOTSUPP; | |
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 | /** | |
8973a6e7 RD |
262 | * lbs_mesh_get - Get function for sysfs attribute mesh |
263 | * @dev: the &struct device | |
264 | * @attr: device attributes | |
265 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
266 | */ |
267 | static 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 | /** | |
8973a6e7 RD |
275 | * lbs_mesh_set - Set function for sysfs attribute mesh |
276 | * @dev: the &struct device | |
277 | * @attr: device attributes | |
278 | * @buf: buffer that contains new attribute value | |
279 | * @count: size of buffer | |
e0e42da3 HS |
280 | */ |
281 | static 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; | |
e0e42da3 HS |
286 | |
287 | sscanf(buf, "%x", &enable); | |
288 | enable = !!enable; | |
289 | if (enable == !!priv->mesh_dev) | |
290 | return count; | |
e0e42da3 HS |
291 | |
292 | if (enable) | |
293 | lbs_add_mesh(priv); | |
294 | else | |
295 | lbs_remove_mesh(priv); | |
296 | ||
297 | return count; | |
298 | } | |
299 | ||
8973a6e7 | 300 | /* |
e0e42da3 HS |
301 | * lbs_mesh attribute to be exported per ethX interface |
302 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
303 | */ | |
304 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
305 | ||
8973a6e7 | 306 | /* |
e0e42da3 HS |
307 | * anycast_mask attribute to be exported per mshX interface |
308 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
309 | */ | |
310 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); | |
311 | ||
8973a6e7 | 312 | /* |
e0e42da3 HS |
313 | * prb_rsp_limit attribute to be exported per mshX interface |
314 | * through sysfs (/sys/class/net/mshX/prb_rsp_limit) | |
315 | */ | |
316 | static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get, | |
317 | lbs_prb_rsp_limit_set); | |
318 | ||
319 | static struct attribute *lbs_mesh_sysfs_entries[] = { | |
320 | &dev_attr_anycast_mask.attr, | |
321 | &dev_attr_prb_rsp_limit.attr, | |
322 | NULL, | |
323 | }; | |
324 | ||
3db4f989 | 325 | static const struct attribute_group lbs_mesh_attr_group = { |
e0e42da3 HS |
326 | .attrs = lbs_mesh_sysfs_entries, |
327 | }; | |
328 | ||
329 | ||
e0e42da3 | 330 | /*************************************************************************** |
3db4f989 | 331 | * Persistent configuration support |
e0e42da3 HS |
332 | */ |
333 | ||
3db4f989 DD |
334 | static int mesh_get_default_parameters(struct device *dev, |
335 | struct mrvl_mesh_defaults *defs) | |
e0e42da3 | 336 | { |
3db4f989 DD |
337 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
338 | struct cmd_ds_mesh_config cmd; | |
339 | int ret; | |
e0e42da3 | 340 | |
3db4f989 DD |
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); | |
e0e42da3 | 344 | |
3db4f989 DD |
345 | if (ret) |
346 | return -EOPNOTSUPP; | |
c24ef46e | 347 | |
3db4f989 | 348 | memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults)); |
c24ef46e | 349 | |
3db4f989 DD |
350 | return 0; |
351 | } | |
e4da1a81 | 352 | |
3db4f989 DD |
353 | /** |
354 | * bootflag_get - Get function for sysfs attribute bootflag | |
355 | * @dev: the &struct device | |
356 | * @attr: device attributes | |
357 | * @buf: buffer where data will be returned | |
358 | */ | |
359 | static ssize_t bootflag_get(struct device *dev, | |
360 | struct device_attribute *attr, char *buf) | |
361 | { | |
362 | struct mrvl_mesh_defaults defs; | |
363 | int ret; | |
e0e42da3 | 364 | |
3db4f989 | 365 | ret = mesh_get_default_parameters(dev, &defs); |
e0e42da3 | 366 | |
3db4f989 DD |
367 | if (ret) |
368 | return ret; | |
e0e42da3 | 369 | |
3db4f989 | 370 | return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag)); |
e0e42da3 HS |
371 | } |
372 | ||
3db4f989 DD |
373 | /** |
374 | * bootflag_set - Set function for sysfs attribute bootflag | |
375 | * @dev: the &struct device | |
376 | * @attr: device attributes | |
377 | * @buf: buffer that contains new attribute value | |
378 | * @count: size of buffer | |
379 | */ | |
380 | static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr, | |
381 | const char *buf, size_t count) | |
e0e42da3 | 382 | { |
3db4f989 DD |
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; | |
e0e42da3 | 387 | |
3db4f989 DD |
388 | memset(&cmd, 0, sizeof(cmd)); |
389 | ret = sscanf(buf, "%d", &datum); | |
390 | if ((ret != 1) || (datum > 1)) | |
391 | return -EINVAL; | |
e0e42da3 | 392 | |
3db4f989 DD |
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; | |
e0e42da3 | 399 | |
3db4f989 | 400 | return strlen(buf); |
e0e42da3 HS |
401 | } |
402 | ||
e0e42da3 | 403 | /** |
3db4f989 DD |
404 | * boottime_get - Get function for sysfs attribute boottime |
405 | * @dev: the &struct device | |
406 | * @attr: device attributes | |
407 | * @buf: buffer where data will be returned | |
e0e42da3 | 408 | */ |
3db4f989 DD |
409 | static ssize_t boottime_get(struct device *dev, |
410 | struct device_attribute *attr, char *buf) | |
e0e42da3 | 411 | { |
3db4f989 DD |
412 | struct mrvl_mesh_defaults defs; |
413 | int ret; | |
e0e42da3 | 414 | |
3db4f989 | 415 | ret = mesh_get_default_parameters(dev, &defs); |
e0e42da3 | 416 | |
3db4f989 DD |
417 | if (ret) |
418 | return ret; | |
15dbaac0 | 419 | |
fb904907 | 420 | return snprintf(buf, 12, "%d\n", defs.boottime); |
15dbaac0 JC |
421 | } |
422 | ||
423 | /** | |
8973a6e7 RD |
424 | * boottime_set - Set function for sysfs attribute boottime |
425 | * @dev: the &struct device | |
426 | * @attr: device attributes | |
427 | * @buf: buffer that contains new attribute value | |
428 | * @count: size of buffer | |
15dbaac0 JC |
429 | */ |
430 | static ssize_t boottime_set(struct device *dev, | |
431 | struct device_attribute *attr, const char *buf, size_t count) | |
432 | { | |
ab65f649 | 433 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
434 | struct cmd_ds_mesh_config cmd; |
435 | uint32_t datum; | |
436 | int ret; | |
437 | ||
438 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
439 | ret = sscanf(buf, "%d", &datum); |
440 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
441 | return -EINVAL; |
442 | ||
443 | /* A too small boot time will result in the device booting into | |
444 | * standalone (no-host) mode before the host can take control of it, | |
445 | * so the change will be hard to revert. This may be a desired | |
446 | * feature (e.g to configure a very fast boot time for devices that | |
447 | * will not be attached to a host), but dangerous. So I'm enforcing a | |
448 | * lower limit of 20 seconds: remove and recompile the driver if this | |
449 | * does not work for you. | |
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 | ||
b679aeb3 | 462 | /** |
8973a6e7 RD |
463 | * channel_get - Get function for sysfs attribute channel |
464 | * @dev: the &struct device | |
465 | * @attr: device attributes | |
466 | * @buf: buffer where data will be returned | |
b679aeb3 JC |
467 | */ |
468 | static 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 | ||
fb904907 | 479 | return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel)); |
b679aeb3 JC |
480 | } |
481 | ||
482 | /** | |
8973a6e7 RD |
483 | * channel_set - Set function for sysfs attribute channel |
484 | * @dev: the &struct device | |
485 | * @attr: device attributes | |
486 | * @buf: buffer that contains new attribute value | |
487 | * @count: size of buffer | |
b679aeb3 JC |
488 | */ |
489 | static ssize_t channel_set(struct device *dev, struct device_attribute *attr, | |
490 | const char *buf, size_t count) | |
491 | { | |
ab65f649 | 492 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
b679aeb3 | 493 | struct cmd_ds_mesh_config cmd; |
fb904907 | 494 | uint32_t datum; |
b679aeb3 JC |
495 | int ret; |
496 | ||
497 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 | 498 | ret = sscanf(buf, "%d", &datum); |
b679aeb3 JC |
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 | ||
15dbaac0 | 512 | /** |
8973a6e7 RD |
513 | * mesh_id_get - Get function for sysfs attribute mesh_id |
514 | * @dev: the &struct device | |
515 | * @attr: device attributes | |
516 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
517 | */ |
518 | static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr, | |
519 | char *buf) | |
520 | { | |
521 | struct mrvl_mesh_defaults defs; | |
15dbaac0 JC |
522 | int ret; |
523 | ||
524 | ret = mesh_get_default_parameters(dev, &defs); | |
525 | ||
526 | if (ret) | |
527 | return ret; | |
528 | ||
243e84e9 | 529 | if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) { |
f3a57fd1 | 530 | dev_err(dev, "inconsistent mesh ID length\n"); |
243e84e9 | 531 | defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN; |
15dbaac0 JC |
532 | } |
533 | ||
d89dba7a DC |
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'; | |
15dbaac0 | 537 | |
d89dba7a | 538 | return defs.meshie.val.mesh_id_len + 1; |
15dbaac0 JC |
539 | } |
540 | ||
541 | /** | |
8973a6e7 RD |
542 | * mesh_id_set - Set function for sysfs attribute mesh_id |
543 | * @dev: the &struct device | |
544 | * @attr: device attributes | |
545 | * @buf: buffer that contains new attribute value | |
546 | * @count: size of buffer | |
15dbaac0 JC |
547 | */ |
548 | static 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; | |
ab65f649 | 554 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
555 | int len; |
556 | int ret; | |
557 | ||
243e84e9 | 558 | if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1) |
15dbaac0 JC |
559 | return -EINVAL; |
560 | ||
561 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); | |
562 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
563 | ||
564 | /* fetch all other Information Element parameters */ | |
565 | ret = mesh_get_default_parameters(dev, &defs); | |
566 | ||
567 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
568 | ||
569 | /* transfer IE elements */ | |
570 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
571 | ||
572 | len = count - 1; | |
573 | memcpy(ie->val.mesh_id, buf, len); | |
574 | /* SSID len */ | |
575 | ie->val.mesh_id_len = len; | |
576 | /* IE len */ | |
243e84e9 | 577 | ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len; |
15dbaac0 JC |
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 | /** | |
8973a6e7 RD |
588 | * protocol_id_get - Get function for sysfs attribute protocol_id |
589 | * @dev: the &struct device | |
590 | * @attr: device attributes | |
591 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
592 | */ |
593 | static 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 | /** | |
8973a6e7 RD |
608 | * protocol_id_set - Set function for sysfs attribute protocol_id |
609 | * @dev: the &struct device | |
610 | * @attr: device attributes | |
611 | * @buf: buffer that contains new attribute value | |
612 | * @count: size of buffer | |
15dbaac0 JC |
613 | */ |
614 | static 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; | |
ab65f649 | 620 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
621 | uint32_t datum; |
622 | int ret; | |
623 | ||
624 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
625 | ret = sscanf(buf, "%d", &datum); |
626 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
627 | return -EINVAL; |
628 | ||
629 | /* fetch all other Information Element parameters */ | |
630 | ret = mesh_get_default_parameters(dev, &defs); | |
631 | ||
632 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
633 | ||
634 | /* transfer IE elements */ | |
635 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
636 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
637 | /* update protocol id */ | |
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 | /** | |
8973a6e7 RD |
649 | * metric_id_get - Get function for sysfs attribute metric_id |
650 | * @dev: the &struct device | |
651 | * @attr: device attributes | |
652 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
653 | */ |
654 | static ssize_t metric_id_get(struct device *dev, | |
655 | struct device_attribute *attr, char *buf) | |
656 | { | |
3db4f989 DD |
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 | * metric_id_set - Set function for sysfs attribute metric_id | |
670 | * @dev: the &struct device | |
671 | * @attr: device attributes | |
672 | * @buf: buffer that contains new attribute value | |
673 | * @count: size of buffer | |
674 | */ | |
675 | static 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 | /* fetch all other Information Element parameters */ | |
691 | ret = mesh_get_default_parameters(dev, &defs); | |
692 | ||
693 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
694 | ||
695 | /* transfer IE elements */ | |
696 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
697 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
698 | /* update metric id */ | |
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 | * capability_get - Get function for sysfs attribute capability | |
711 | * @dev: the &struct device | |
712 | * @attr: device attributes | |
713 | * @buf: buffer where data will be returned | |
714 | */ | |
715 | static 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 | * capability_set - Set function for sysfs attribute capability | |
731 | * @dev: the &struct device | |
732 | * @attr: device attributes | |
733 | * @buf: buffer that contains new attribute value | |
734 | * @count: size of buffer | |
735 | */ | |
736 | static 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 | /* fetch all other Information Element parameters */ | |
752 | ret = mesh_get_default_parameters(dev, &defs); | |
753 | ||
754 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
755 | ||
756 | /* transfer IE elements */ | |
757 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
758 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
759 | /* update value */ | |
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 | ||
771 | static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set); | |
772 | static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set); | |
773 | static DEVICE_ATTR(channel, 0644, channel_get, channel_set); | |
774 | static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set); | |
775 | static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set); | |
776 | static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set); | |
777 | static DEVICE_ATTR(capability, 0644, capability_get, capability_set); | |
778 | ||
779 | static struct attribute *boot_opts_attrs[] = { | |
780 | &dev_attr_bootflag.attr, | |
781 | &dev_attr_boottime.attr, | |
782 | &dev_attr_channel.attr, | |
783 | NULL | |
784 | }; | |
785 | ||
786 | static const struct attribute_group boot_opts_group = { | |
787 | .name = "boot_options", | |
788 | .attrs = boot_opts_attrs, | |
789 | }; | |
790 | ||
791 | static 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 | ||
799 | static const struct attribute_group mesh_ie_group = { | |
800 | .name = "mesh_ie", | |
801 | .attrs = mesh_ie_attrs, | |
802 | }; | |
803 | ||
804 | static void lbs_persist_config_init(struct net_device *dev) | |
805 | { | |
806 | int ret; | |
807 | ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group); | |
808 | ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group); | |
809 | } | |
810 | ||
811 | static void lbs_persist_config_remove(struct net_device *dev) | |
812 | { | |
813 | sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group); | |
814 | sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group); | |
815 | } | |
816 | ||
817 | ||
818 | /*************************************************************************** | |
819 | * Initializing and starting, stopping mesh | |
820 | */ | |
821 | ||
822 | /* | |
823 | * Check mesh FW version and appropriately send the mesh start | |
824 | * command | |
825 | */ | |
826 | int lbs_init_mesh(struct lbs_private *priv) | |
827 | { | |
3db4f989 DD |
828 | int ret = 0; |
829 | ||
830 | lbs_deb_enter(LBS_DEB_MESH); | |
831 | ||
3db4f989 DD |
832 | /* Determine mesh_fw_ver from fwrelease and fwcapinfo */ |
833 | /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */ | |
834 | /* 5.110.22 have mesh command with 0xa3 command id */ | |
835 | /* 10.0.0.p0 FW brings in mesh config command with different id */ | |
836 | /* Check FW version MSB and initialize mesh_fw_ver */ | |
837 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) { | |
838 | /* Enable mesh, if supported, and work out which TLV it uses. | |
839 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
840 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
841 | but we check them in that order because 20.pXX doesn't | |
842 | give an error -- it just silently fails. */ | |
843 | ||
844 | /* 5.110.20.pXX firmware will fail the command if the channel | |
845 | doesn't match the existing channel. But only if the TLV | |
846 | is correct. If the channel is wrong, _BOTH_ versions will | |
847 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
848 | It's just that 5.110.20.pXX will not have done anything | |
849 | useful */ | |
850 | ||
851 | priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID; | |
49fee692 | 852 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) { |
3db4f989 | 853 | priv->mesh_tlv = TLV_TYPE_MESH_ID; |
49fee692 | 854 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) |
3db4f989 DD |
855 | priv->mesh_tlv = 0; |
856 | } | |
857 | } else | |
858 | if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && | |
859 | (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) { | |
860 | /* 10.0.0.pXX new firmwares should succeed with TLV | |
861 | * 0x100+37; Do not invoke command with old TLV. | |
862 | */ | |
863 | priv->mesh_tlv = TLV_TYPE_MESH_ID; | |
49fee692 | 864 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) |
3db4f989 DD |
865 | priv->mesh_tlv = 0; |
866 | } | |
867 | ||
d9319986 | 868 | /* Stop meshing until interface is brought up */ |
49fee692 | 869 | lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1); |
3db4f989 DD |
870 | |
871 | if (priv->mesh_tlv) { | |
872 | sprintf(priv->mesh_ssid, "mesh"); | |
873 | priv->mesh_ssid_len = 4; | |
3db4f989 DD |
874 | ret = 1; |
875 | } | |
876 | ||
877 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
878 | return ret; | |
879 | } | |
880 | ||
49fee692 DD |
881 | void lbs_start_mesh(struct lbs_private *priv) |
882 | { | |
883 | lbs_add_mesh(priv); | |
884 | ||
885 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_mesh)) | |
886 | netdev_err(priv->dev, "cannot register lbs_mesh attribute\n"); | |
887 | } | |
3db4f989 DD |
888 | |
889 | int lbs_deinit_mesh(struct lbs_private *priv) | |
890 | { | |
891 | struct net_device *dev = priv->dev; | |
892 | int ret = 0; | |
15dbaac0 | 893 | |
3db4f989 | 894 | lbs_deb_enter(LBS_DEB_MESH); |
15dbaac0 | 895 | |
3db4f989 DD |
896 | if (priv->mesh_tlv) { |
897 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
898 | ret = 1; | |
899 | } | |
15dbaac0 | 900 | |
3db4f989 DD |
901 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); |
902 | return ret; | |
15dbaac0 JC |
903 | } |
904 | ||
3db4f989 | 905 | |
15dbaac0 | 906 | /** |
3db4f989 DD |
907 | * lbs_mesh_stop - close the mshX interface |
908 | * | |
909 | * @dev: A pointer to &net_device structure | |
910 | * returns: 0 | |
15dbaac0 | 911 | */ |
3db4f989 | 912 | static int lbs_mesh_stop(struct net_device *dev) |
15dbaac0 | 913 | { |
3db4f989 | 914 | struct lbs_private *priv = dev->ml_priv; |
15dbaac0 | 915 | |
3db4f989 | 916 | lbs_deb_enter(LBS_DEB_MESH); |
49fee692 DD |
917 | lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, |
918 | lbs_mesh_get_channel(priv)); | |
15dbaac0 | 919 | |
d9319986 | 920 | spin_lock_irq(&priv->driver_lock); |
15dbaac0 | 921 | |
3db4f989 DD |
922 | netif_stop_queue(dev); |
923 | netif_carrier_off(dev); | |
15dbaac0 | 924 | |
3db4f989 | 925 | spin_unlock_irq(&priv->driver_lock); |
15dbaac0 | 926 | |
d2e7b342 DD |
927 | lbs_update_mcast(priv); |
928 | if (!lbs_iface_active(priv)) | |
929 | lbs_stop_iface(priv); | |
15dbaac0 | 930 | |
3db4f989 DD |
931 | lbs_deb_leave(LBS_DEB_MESH); |
932 | return 0; | |
15dbaac0 JC |
933 | } |
934 | ||
935 | /** | |
3db4f989 DD |
936 | * lbs_mesh_dev_open - open the mshX interface |
937 | * | |
938 | * @dev: A pointer to &net_device structure | |
939 | * returns: 0 or -EBUSY if monitor mode active | |
15dbaac0 | 940 | */ |
3db4f989 | 941 | static int lbs_mesh_dev_open(struct net_device *dev) |
15dbaac0 | 942 | { |
3db4f989 DD |
943 | struct lbs_private *priv = dev->ml_priv; |
944 | int ret = 0; | |
15dbaac0 | 945 | |
3db4f989 | 946 | lbs_deb_enter(LBS_DEB_NET); |
d2e7b342 DD |
947 | if (!priv->iface_running) { |
948 | ret = lbs_start_iface(priv); | |
949 | if (ret) | |
950 | goto out; | |
951 | } | |
15dbaac0 | 952 | |
3db4f989 | 953 | spin_lock_irq(&priv->driver_lock); |
15dbaac0 | 954 | |
3db4f989 DD |
955 | if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) { |
956 | ret = -EBUSY; | |
d9319986 | 957 | spin_unlock_irq(&priv->driver_lock); |
3db4f989 DD |
958 | goto out; |
959 | } | |
960 | ||
3db4f989 DD |
961 | netif_carrier_on(dev); |
962 | ||
963 | if (!priv->tx_pending_len) | |
964 | netif_wake_queue(dev); | |
3db4f989 DD |
965 | |
966 | spin_unlock_irq(&priv->driver_lock); | |
d9319986 | 967 | |
49fee692 DD |
968 | ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, |
969 | lbs_mesh_get_channel(priv)); | |
d9319986 DD |
970 | |
971 | out: | |
3db4f989 DD |
972 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
973 | return ret; | |
15dbaac0 JC |
974 | } |
975 | ||
3db4f989 DD |
976 | static const struct net_device_ops mesh_netdev_ops = { |
977 | .ndo_open = lbs_mesh_dev_open, | |
978 | .ndo_stop = lbs_mesh_stop, | |
979 | .ndo_start_xmit = lbs_hard_start_xmit, | |
980 | .ndo_set_mac_address = lbs_set_mac_address, | |
afc4b13d | 981 | .ndo_set_rx_mode = lbs_set_multicast_list, |
3db4f989 DD |
982 | }; |
983 | ||
15dbaac0 | 984 | /** |
3db4f989 DD |
985 | * lbs_add_mesh - add mshX interface |
986 | * | |
987 | * @priv: A pointer to the &struct lbs_private structure | |
988 | * returns: 0 if successful, -X otherwise | |
15dbaac0 | 989 | */ |
3db4f989 | 990 | static int lbs_add_mesh(struct lbs_private *priv) |
15dbaac0 | 991 | { |
3db4f989 | 992 | struct net_device *mesh_dev = NULL; |
49fee692 | 993 | struct wireless_dev *mesh_wdev; |
3db4f989 | 994 | int ret = 0; |
15dbaac0 | 995 | |
3db4f989 | 996 | lbs_deb_enter(LBS_DEB_MESH); |
15dbaac0 | 997 | |
3db4f989 | 998 | /* Allocate a virtual mesh device */ |
49fee692 DD |
999 | mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
1000 | if (!mesh_wdev) { | |
1001 | lbs_deb_mesh("init mshX wireless device failed\n"); | |
1002 | ret = -ENOMEM; | |
1003 | goto done; | |
1004 | } | |
1005 | ||
3db4f989 DD |
1006 | mesh_dev = alloc_netdev(0, "msh%d", ether_setup); |
1007 | if (!mesh_dev) { | |
1008 | lbs_deb_mesh("init mshX device failed\n"); | |
1009 | ret = -ENOMEM; | |
49fee692 | 1010 | goto err_free_wdev; |
3db4f989 | 1011 | } |
49fee692 DD |
1012 | |
1013 | mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT; | |
1014 | mesh_wdev->wiphy = priv->wdev->wiphy; | |
1015 | mesh_wdev->netdev = mesh_dev; | |
1016 | ||
3db4f989 | 1017 | mesh_dev->ml_priv = priv; |
49fee692 | 1018 | mesh_dev->ieee80211_ptr = mesh_wdev; |
3db4f989 | 1019 | priv->mesh_dev = mesh_dev; |
15dbaac0 | 1020 | |
3db4f989 DD |
1021 | mesh_dev->netdev_ops = &mesh_netdev_ops; |
1022 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
1023 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN); | |
15dbaac0 | 1024 | |
3db4f989 | 1025 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
15dbaac0 | 1026 | |
3db4f989 DD |
1027 | mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
1028 | /* Register virtual mesh interface */ | |
1029 | ret = register_netdev(mesh_dev); | |
1030 | if (ret) { | |
1031 | pr_err("cannot register mshX virtual interface\n"); | |
49fee692 | 1032 | goto err_free_netdev; |
3db4f989 DD |
1033 | } |
1034 | ||
1035 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
15dbaac0 | 1036 | if (ret) |
3db4f989 | 1037 | goto err_unregister; |
15dbaac0 | 1038 | |
3db4f989 | 1039 | lbs_persist_config_init(mesh_dev); |
15dbaac0 | 1040 | |
3db4f989 DD |
1041 | /* Everything successful */ |
1042 | ret = 0; | |
1043 | goto done; | |
15dbaac0 | 1044 | |
3db4f989 DD |
1045 | err_unregister: |
1046 | unregister_netdev(mesh_dev); | |
15dbaac0 | 1047 | |
49fee692 | 1048 | err_free_netdev: |
3db4f989 | 1049 | free_netdev(mesh_dev); |
15dbaac0 | 1050 | |
49fee692 DD |
1051 | err_free_wdev: |
1052 | kfree(mesh_wdev); | |
1053 | ||
3db4f989 DD |
1054 | done: |
1055 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1056 | return ret; | |
1057 | } | |
15dbaac0 | 1058 | |
3db4f989 DD |
1059 | void lbs_remove_mesh(struct lbs_private *priv) |
1060 | { | |
1061 | struct net_device *mesh_dev; | |
15dbaac0 | 1062 | |
3db4f989 DD |
1063 | mesh_dev = priv->mesh_dev; |
1064 | if (!mesh_dev) | |
1065 | return; | |
15dbaac0 | 1066 | |
3db4f989 DD |
1067 | lbs_deb_enter(LBS_DEB_MESH); |
1068 | netif_stop_queue(mesh_dev); | |
1069 | netif_carrier_off(mesh_dev); | |
1070 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
1071 | lbs_persist_config_remove(mesh_dev); | |
1072 | unregister_netdev(mesh_dev); | |
1073 | priv->mesh_dev = NULL; | |
49fee692 | 1074 | kfree(mesh_dev->ieee80211_ptr); |
3db4f989 DD |
1075 | free_netdev(mesh_dev); |
1076 | lbs_deb_leave(LBS_DEB_MESH); | |
15dbaac0 JC |
1077 | } |
1078 | ||
3db4f989 DD |
1079 | |
1080 | /*************************************************************************** | |
1081 | * Sending and receiving | |
1082 | */ | |
1083 | struct net_device *lbs_mesh_set_dev(struct lbs_private *priv, | |
1084 | struct net_device *dev, struct rxpd *rxpd) | |
15dbaac0 | 1085 | { |
3db4f989 DD |
1086 | if (priv->mesh_dev) { |
1087 | if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) { | |
1088 | if (rxpd->rx_control & RxPD_MESH_FRAME) | |
1089 | dev = priv->mesh_dev; | |
1090 | } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) { | |
1091 | if (rxpd->u.bss.bss_num == MESH_IFACE_ID) | |
1092 | dev = priv->mesh_dev; | |
1093 | } | |
1094 | } | |
1095 | return dev; | |
15dbaac0 | 1096 | } |
c7fe64cf HS |
1097 | |
1098 | ||
3db4f989 DD |
1099 | void lbs_mesh_set_txpd(struct lbs_private *priv, |
1100 | struct net_device *dev, struct txpd *txpd) | |
1101 | { | |
1102 | if (dev == priv->mesh_dev) { | |
1103 | if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) | |
1104 | txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME); | |
1105 | else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) | |
1106 | txpd->u.bss.bss_num = MESH_IFACE_ID; | |
1107 | } | |
1108 | } | |
1109 | ||
c7fe64cf HS |
1110 | |
1111 | /*************************************************************************** | |
1112 | * Ethtool related | |
1113 | */ | |
1114 | ||
3db4f989 | 1115 | static const char * const mesh_stat_strings[] = { |
c7fe64cf HS |
1116 | "drop_duplicate_bcast", |
1117 | "drop_ttl_zero", | |
1118 | "drop_no_fwd_route", | |
1119 | "drop_no_buffers", | |
1120 | "fwded_unicast_cnt", | |
1121 | "fwded_bcast_cnt", | |
1122 | "drop_blind_table", | |
1123 | "tx_failed_cnt" | |
1124 | }; | |
1125 | ||
1126 | void lbs_mesh_ethtool_get_stats(struct net_device *dev, | |
1127 | struct ethtool_stats *stats, uint64_t *data) | |
1128 | { | |
1129 | struct lbs_private *priv = dev->ml_priv; | |
1130 | struct cmd_ds_mesh_access mesh_access; | |
1131 | int ret; | |
1132 | ||
1133 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1134 | ||
1135 | /* Get Mesh Statistics */ | |
1136 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access); | |
1137 | ||
1138 | if (ret) { | |
1139 | memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t))); | |
1140 | return; | |
1141 | } | |
1142 | ||
1143 | priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]); | |
1144 | priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]); | |
1145 | priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]); | |
1146 | priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]); | |
1147 | priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]); | |
1148 | priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]); | |
1149 | priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]); | |
1150 | priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]); | |
1151 | ||
1152 | data[0] = priv->mstats.fwd_drop_rbt; | |
1153 | data[1] = priv->mstats.fwd_drop_ttl; | |
1154 | data[2] = priv->mstats.fwd_drop_noroute; | |
1155 | data[3] = priv->mstats.fwd_drop_nobuf; | |
1156 | data[4] = priv->mstats.fwd_unicast_cnt; | |
1157 | data[5] = priv->mstats.fwd_bcast_cnt; | |
1158 | data[6] = priv->mstats.drop_blind; | |
1159 | data[7] = priv->mstats.tx_failed_cnt; | |
1160 | ||
1161 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1162 | } | |
1163 | ||
1164 | int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset) | |
1165 | { | |
1166 | struct lbs_private *priv = dev->ml_priv; | |
1167 | ||
1168 | if (sset == ETH_SS_STATS && dev == priv->mesh_dev) | |
1169 | return MESH_STATS_NUM; | |
1170 | ||
1171 | return -EOPNOTSUPP; | |
1172 | } | |
1173 | ||
1174 | void lbs_mesh_ethtool_get_strings(struct net_device *dev, | |
1175 | uint32_t stringset, uint8_t *s) | |
1176 | { | |
1177 | int i; | |
1178 | ||
1179 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1180 | ||
1181 | switch (stringset) { | |
1182 | case ETH_SS_STATS: | |
1183 | for (i = 0; i < MESH_STATS_NUM; i++) { | |
1184 | memcpy(s + i * ETH_GSTRING_LEN, | |
1185 | mesh_stat_strings[i], | |
1186 | ETH_GSTRING_LEN); | |
1187 | } | |
1188 | break; | |
1189 | } | |
1190 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1191 | } |