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: | |
04b2312a | 104 | ie->id = WLAN_EID_VENDOR_SPECIFIC; |
3db4f989 DD |
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 | { | |
e8c9bd5b | 134 | priv->mesh_channel = channel; |
49fee692 DD |
135 | return lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, channel); |
136 | } | |
137 | ||
138 | static uint16_t lbs_mesh_get_channel(struct lbs_private *priv) | |
139 | { | |
e8c9bd5b | 140 | return priv->mesh_channel ?: 1; |
49fee692 | 141 | } |
3db4f989 | 142 | |
e0e42da3 HS |
143 | /*************************************************************************** |
144 | * Mesh sysfs support | |
145 | */ | |
146 | ||
8973a6e7 | 147 | /* |
e0e42da3 HS |
148 | * Attributes exported through sysfs |
149 | */ | |
150 | ||
151 | /** | |
8973a6e7 RD |
152 | * lbs_anycast_get - Get function for sysfs attribute anycast_mask |
153 | * @dev: the &struct device | |
154 | * @attr: device attributes | |
155 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
156 | */ |
157 | static ssize_t lbs_anycast_get(struct device *dev, | |
158 | struct device_attribute *attr, char * buf) | |
159 | { | |
160 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
161 | struct cmd_ds_mesh_access mesh_access; | |
162 | int ret; | |
163 | ||
164 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
165 | ||
166 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
167 | if (ret) | |
168 | return ret; | |
169 | ||
170 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); | |
171 | } | |
172 | ||
173 | /** | |
8973a6e7 RD |
174 | * lbs_anycast_set - Set function for sysfs attribute anycast_mask |
175 | * @dev: the &struct device | |
176 | * @attr: device attributes | |
177 | * @buf: buffer that contains new attribute value | |
178 | * @count: size of buffer | |
e0e42da3 HS |
179 | */ |
180 | static ssize_t lbs_anycast_set(struct device *dev, | |
181 | struct device_attribute *attr, const char * buf, size_t count) | |
182 | { | |
183 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
184 | struct cmd_ds_mesh_access mesh_access; | |
185 | uint32_t datum; | |
186 | int ret; | |
187 | ||
188 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
189 | sscanf(buf, "%x", &datum); | |
190 | mesh_access.data[0] = cpu_to_le32(datum); | |
191 | ||
192 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); | |
193 | if (ret) | |
194 | return ret; | |
195 | ||
196 | return strlen(buf); | |
197 | } | |
198 | ||
199 | /** | |
8973a6e7 RD |
200 | * lbs_prb_rsp_limit_get - Get function for sysfs attribute prb_rsp_limit |
201 | * @dev: the &struct device | |
202 | * @attr: device attributes | |
203 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
204 | */ |
205 | static ssize_t lbs_prb_rsp_limit_get(struct device *dev, | |
206 | struct device_attribute *attr, char *buf) | |
207 | { | |
208 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
209 | struct cmd_ds_mesh_access mesh_access; | |
210 | int ret; | |
211 | u32 retry_limit; | |
212 | ||
213 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
214 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET); | |
215 | ||
216 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | |
217 | &mesh_access); | |
218 | if (ret) | |
219 | return ret; | |
220 | ||
221 | retry_limit = le32_to_cpu(mesh_access.data[1]); | |
222 | return snprintf(buf, 10, "%d\n", retry_limit); | |
223 | } | |
224 | ||
225 | /** | |
8973a6e7 RD |
226 | * lbs_prb_rsp_limit_set - Set function for sysfs attribute prb_rsp_limit |
227 | * @dev: the &struct device | |
228 | * @attr: device attributes | |
229 | * @buf: buffer that contains new attribute value | |
230 | * @count: size of buffer | |
e0e42da3 HS |
231 | */ |
232 | static ssize_t lbs_prb_rsp_limit_set(struct device *dev, | |
233 | struct device_attribute *attr, const char *buf, size_t count) | |
234 | { | |
235 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
236 | struct cmd_ds_mesh_access mesh_access; | |
237 | int ret; | |
238 | unsigned long retry_limit; | |
239 | ||
240 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
241 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET); | |
242 | ||
27d7f477 | 243 | if (!kstrtoul(buf, 10, &retry_limit)) |
e0e42da3 HS |
244 | return -ENOTSUPP; |
245 | if (retry_limit > 15) | |
246 | return -ENOTSUPP; | |
247 | ||
248 | mesh_access.data[1] = cpu_to_le32(retry_limit); | |
249 | ||
250 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | |
251 | &mesh_access); | |
252 | if (ret) | |
253 | return ret; | |
254 | ||
255 | return strlen(buf); | |
256 | } | |
257 | ||
258 | /** | |
8973a6e7 RD |
259 | * lbs_mesh_get - Get function for sysfs attribute mesh |
260 | * @dev: the &struct device | |
261 | * @attr: device attributes | |
262 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
263 | */ |
264 | static ssize_t lbs_mesh_get(struct device *dev, | |
265 | struct device_attribute *attr, char * buf) | |
266 | { | |
267 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
268 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
269 | } | |
270 | ||
271 | /** | |
8973a6e7 RD |
272 | * lbs_mesh_set - Set function for sysfs attribute mesh |
273 | * @dev: the &struct device | |
274 | * @attr: device attributes | |
275 | * @buf: buffer that contains new attribute value | |
276 | * @count: size of buffer | |
e0e42da3 HS |
277 | */ |
278 | static ssize_t lbs_mesh_set(struct device *dev, | |
279 | struct device_attribute *attr, const char * buf, size_t count) | |
280 | { | |
281 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
282 | int enable; | |
e0e42da3 HS |
283 | |
284 | sscanf(buf, "%x", &enable); | |
285 | enable = !!enable; | |
286 | if (enable == !!priv->mesh_dev) | |
287 | return count; | |
e0e42da3 HS |
288 | |
289 | if (enable) | |
290 | lbs_add_mesh(priv); | |
291 | else | |
292 | lbs_remove_mesh(priv); | |
293 | ||
294 | return count; | |
295 | } | |
296 | ||
8973a6e7 | 297 | /* |
e0e42da3 HS |
298 | * lbs_mesh attribute to be exported per ethX interface |
299 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
300 | */ | |
301 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
302 | ||
8973a6e7 | 303 | /* |
e0e42da3 HS |
304 | * anycast_mask attribute to be exported per mshX interface |
305 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
306 | */ | |
307 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); | |
308 | ||
8973a6e7 | 309 | /* |
e0e42da3 HS |
310 | * prb_rsp_limit attribute to be exported per mshX interface |
311 | * through sysfs (/sys/class/net/mshX/prb_rsp_limit) | |
312 | */ | |
313 | static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get, | |
314 | lbs_prb_rsp_limit_set); | |
315 | ||
316 | static struct attribute *lbs_mesh_sysfs_entries[] = { | |
317 | &dev_attr_anycast_mask.attr, | |
318 | &dev_attr_prb_rsp_limit.attr, | |
319 | NULL, | |
320 | }; | |
321 | ||
3db4f989 | 322 | static const struct attribute_group lbs_mesh_attr_group = { |
e0e42da3 HS |
323 | .attrs = lbs_mesh_sysfs_entries, |
324 | }; | |
325 | ||
326 | ||
e0e42da3 | 327 | /*************************************************************************** |
3db4f989 | 328 | * Persistent configuration support |
e0e42da3 HS |
329 | */ |
330 | ||
3db4f989 DD |
331 | static int mesh_get_default_parameters(struct device *dev, |
332 | struct mrvl_mesh_defaults *defs) | |
e0e42da3 | 333 | { |
3db4f989 DD |
334 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
335 | struct cmd_ds_mesh_config cmd; | |
336 | int ret; | |
e0e42da3 | 337 | |
3db4f989 DD |
338 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); |
339 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET, | |
340 | CMD_TYPE_MESH_GET_DEFAULTS); | |
e0e42da3 | 341 | |
3db4f989 DD |
342 | if (ret) |
343 | return -EOPNOTSUPP; | |
c24ef46e | 344 | |
3db4f989 | 345 | memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults)); |
c24ef46e | 346 | |
3db4f989 DD |
347 | return 0; |
348 | } | |
e4da1a81 | 349 | |
3db4f989 DD |
350 | /** |
351 | * bootflag_get - Get function for sysfs attribute bootflag | |
352 | * @dev: the &struct device | |
353 | * @attr: device attributes | |
354 | * @buf: buffer where data will be returned | |
355 | */ | |
356 | static ssize_t bootflag_get(struct device *dev, | |
357 | struct device_attribute *attr, char *buf) | |
358 | { | |
359 | struct mrvl_mesh_defaults defs; | |
360 | int ret; | |
e0e42da3 | 361 | |
3db4f989 | 362 | ret = mesh_get_default_parameters(dev, &defs); |
e0e42da3 | 363 | |
3db4f989 DD |
364 | if (ret) |
365 | return ret; | |
e0e42da3 | 366 | |
3db4f989 | 367 | return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag)); |
e0e42da3 HS |
368 | } |
369 | ||
3db4f989 DD |
370 | /** |
371 | * bootflag_set - Set function for sysfs attribute bootflag | |
372 | * @dev: the &struct device | |
373 | * @attr: device attributes | |
374 | * @buf: buffer that contains new attribute value | |
375 | * @count: size of buffer | |
376 | */ | |
377 | static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr, | |
378 | const char *buf, size_t count) | |
e0e42da3 | 379 | { |
3db4f989 DD |
380 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
381 | struct cmd_ds_mesh_config cmd; | |
382 | uint32_t datum; | |
383 | int ret; | |
e0e42da3 | 384 | |
3db4f989 DD |
385 | memset(&cmd, 0, sizeof(cmd)); |
386 | ret = sscanf(buf, "%d", &datum); | |
387 | if ((ret != 1) || (datum > 1)) | |
388 | return -EINVAL; | |
e0e42da3 | 389 | |
3db4f989 DD |
390 | *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum); |
391 | cmd.length = cpu_to_le16(sizeof(uint32_t)); | |
392 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
393 | CMD_TYPE_MESH_SET_BOOTFLAG); | |
394 | if (ret) | |
395 | return ret; | |
e0e42da3 | 396 | |
3db4f989 | 397 | return strlen(buf); |
e0e42da3 HS |
398 | } |
399 | ||
e0e42da3 | 400 | /** |
3db4f989 DD |
401 | * boottime_get - Get function for sysfs attribute boottime |
402 | * @dev: the &struct device | |
403 | * @attr: device attributes | |
404 | * @buf: buffer where data will be returned | |
e0e42da3 | 405 | */ |
3db4f989 DD |
406 | static ssize_t boottime_get(struct device *dev, |
407 | struct device_attribute *attr, char *buf) | |
e0e42da3 | 408 | { |
3db4f989 DD |
409 | struct mrvl_mesh_defaults defs; |
410 | int ret; | |
e0e42da3 | 411 | |
3db4f989 | 412 | ret = mesh_get_default_parameters(dev, &defs); |
e0e42da3 | 413 | |
3db4f989 DD |
414 | if (ret) |
415 | return ret; | |
15dbaac0 | 416 | |
fb904907 | 417 | return snprintf(buf, 12, "%d\n", defs.boottime); |
15dbaac0 JC |
418 | } |
419 | ||
420 | /** | |
8973a6e7 RD |
421 | * boottime_set - Set function for sysfs attribute boottime |
422 | * @dev: the &struct device | |
423 | * @attr: device attributes | |
424 | * @buf: buffer that contains new attribute value | |
425 | * @count: size of buffer | |
15dbaac0 JC |
426 | */ |
427 | static ssize_t boottime_set(struct device *dev, | |
428 | struct device_attribute *attr, const char *buf, size_t count) | |
429 | { | |
ab65f649 | 430 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
431 | struct cmd_ds_mesh_config cmd; |
432 | uint32_t datum; | |
433 | int ret; | |
434 | ||
435 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
436 | ret = sscanf(buf, "%d", &datum); |
437 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
438 | return -EINVAL; |
439 | ||
440 | /* A too small boot time will result in the device booting into | |
441 | * standalone (no-host) mode before the host can take control of it, | |
442 | * so the change will be hard to revert. This may be a desired | |
443 | * feature (e.g to configure a very fast boot time for devices that | |
444 | * will not be attached to a host), but dangerous. So I'm enforcing a | |
445 | * lower limit of 20 seconds: remove and recompile the driver if this | |
446 | * does not work for you. | |
447 | */ | |
448 | datum = (datum < 20) ? 20 : datum; | |
449 | cmd.data[0] = datum; | |
450 | cmd.length = cpu_to_le16(sizeof(uint8_t)); | |
451 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
452 | CMD_TYPE_MESH_SET_BOOTTIME); | |
453 | if (ret) | |
454 | return ret; | |
455 | ||
456 | return strlen(buf); | |
457 | } | |
458 | ||
b679aeb3 | 459 | /** |
8973a6e7 RD |
460 | * channel_get - Get function for sysfs attribute channel |
461 | * @dev: the &struct device | |
462 | * @attr: device attributes | |
463 | * @buf: buffer where data will be returned | |
b679aeb3 JC |
464 | */ |
465 | static ssize_t channel_get(struct device *dev, | |
466 | struct device_attribute *attr, char *buf) | |
467 | { | |
468 | struct mrvl_mesh_defaults defs; | |
469 | int ret; | |
470 | ||
471 | ret = mesh_get_default_parameters(dev, &defs); | |
472 | ||
473 | if (ret) | |
474 | return ret; | |
475 | ||
fb904907 | 476 | return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel)); |
b679aeb3 JC |
477 | } |
478 | ||
479 | /** | |
8973a6e7 RD |
480 | * channel_set - Set function for sysfs attribute channel |
481 | * @dev: the &struct device | |
482 | * @attr: device attributes | |
483 | * @buf: buffer that contains new attribute value | |
484 | * @count: size of buffer | |
b679aeb3 JC |
485 | */ |
486 | static ssize_t channel_set(struct device *dev, struct device_attribute *attr, | |
487 | const char *buf, size_t count) | |
488 | { | |
ab65f649 | 489 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
b679aeb3 | 490 | struct cmd_ds_mesh_config cmd; |
fb904907 | 491 | uint32_t datum; |
b679aeb3 JC |
492 | int ret; |
493 | ||
494 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 | 495 | ret = sscanf(buf, "%d", &datum); |
b679aeb3 JC |
496 | if (ret != 1 || datum < 1 || datum > 11) |
497 | return -EINVAL; | |
498 | ||
499 | *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum); | |
500 | cmd.length = cpu_to_le16(sizeof(uint16_t)); | |
501 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
502 | CMD_TYPE_MESH_SET_DEF_CHANNEL); | |
503 | if (ret) | |
504 | return ret; | |
505 | ||
506 | return strlen(buf); | |
507 | } | |
508 | ||
15dbaac0 | 509 | /** |
8973a6e7 RD |
510 | * mesh_id_get - Get function for sysfs attribute mesh_id |
511 | * @dev: the &struct device | |
512 | * @attr: device attributes | |
513 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
514 | */ |
515 | static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr, | |
516 | char *buf) | |
517 | { | |
518 | struct mrvl_mesh_defaults defs; | |
15dbaac0 JC |
519 | int ret; |
520 | ||
521 | ret = mesh_get_default_parameters(dev, &defs); | |
522 | ||
523 | if (ret) | |
524 | return ret; | |
525 | ||
243e84e9 | 526 | if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) { |
f3a57fd1 | 527 | dev_err(dev, "inconsistent mesh ID length\n"); |
243e84e9 | 528 | defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN; |
15dbaac0 JC |
529 | } |
530 | ||
d89dba7a DC |
531 | memcpy(buf, defs.meshie.val.mesh_id, defs.meshie.val.mesh_id_len); |
532 | buf[defs.meshie.val.mesh_id_len] = '\n'; | |
533 | buf[defs.meshie.val.mesh_id_len + 1] = '\0'; | |
15dbaac0 | 534 | |
d89dba7a | 535 | return defs.meshie.val.mesh_id_len + 1; |
15dbaac0 JC |
536 | } |
537 | ||
538 | /** | |
8973a6e7 RD |
539 | * mesh_id_set - Set function for sysfs attribute mesh_id |
540 | * @dev: the &struct device | |
541 | * @attr: device attributes | |
542 | * @buf: buffer that contains new attribute value | |
543 | * @count: size of buffer | |
15dbaac0 JC |
544 | */ |
545 | static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr, | |
546 | const char *buf, size_t count) | |
547 | { | |
548 | struct cmd_ds_mesh_config cmd; | |
549 | struct mrvl_mesh_defaults defs; | |
550 | struct mrvl_meshie *ie; | |
ab65f649 | 551 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
552 | int len; |
553 | int ret; | |
554 | ||
243e84e9 | 555 | if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1) |
15dbaac0 JC |
556 | return -EINVAL; |
557 | ||
558 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); | |
559 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
560 | ||
561 | /* fetch all other Information Element parameters */ | |
562 | ret = mesh_get_default_parameters(dev, &defs); | |
563 | ||
564 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
565 | ||
566 | /* transfer IE elements */ | |
567 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
568 | ||
569 | len = count - 1; | |
570 | memcpy(ie->val.mesh_id, buf, len); | |
571 | /* SSID len */ | |
572 | ie->val.mesh_id_len = len; | |
573 | /* IE len */ | |
243e84e9 | 574 | ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len; |
15dbaac0 JC |
575 | |
576 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
577 | CMD_TYPE_MESH_SET_MESH_IE); | |
578 | if (ret) | |
579 | return ret; | |
580 | ||
581 | return strlen(buf); | |
582 | } | |
583 | ||
584 | /** | |
8973a6e7 RD |
585 | * protocol_id_get - Get function for sysfs attribute protocol_id |
586 | * @dev: the &struct device | |
587 | * @attr: device attributes | |
588 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
589 | */ |
590 | static ssize_t protocol_id_get(struct device *dev, | |
591 | struct device_attribute *attr, char *buf) | |
592 | { | |
593 | struct mrvl_mesh_defaults defs; | |
594 | int ret; | |
595 | ||
596 | ret = mesh_get_default_parameters(dev, &defs); | |
597 | ||
598 | if (ret) | |
599 | return ret; | |
600 | ||
601 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id); | |
602 | } | |
603 | ||
604 | /** | |
8973a6e7 RD |
605 | * protocol_id_set - Set function for sysfs attribute protocol_id |
606 | * @dev: the &struct device | |
607 | * @attr: device attributes | |
608 | * @buf: buffer that contains new attribute value | |
609 | * @count: size of buffer | |
15dbaac0 JC |
610 | */ |
611 | static ssize_t protocol_id_set(struct device *dev, | |
612 | struct device_attribute *attr, const char *buf, size_t count) | |
613 | { | |
614 | struct cmd_ds_mesh_config cmd; | |
615 | struct mrvl_mesh_defaults defs; | |
616 | struct mrvl_meshie *ie; | |
ab65f649 | 617 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
618 | uint32_t datum; |
619 | int ret; | |
620 | ||
621 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
622 | ret = sscanf(buf, "%d", &datum); |
623 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
624 | return -EINVAL; |
625 | ||
626 | /* fetch all other Information Element parameters */ | |
627 | ret = mesh_get_default_parameters(dev, &defs); | |
628 | ||
629 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
630 | ||
631 | /* transfer IE elements */ | |
632 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
633 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
634 | /* update protocol id */ | |
635 | ie->val.active_protocol_id = datum; | |
636 | ||
637 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
638 | CMD_TYPE_MESH_SET_MESH_IE); | |
639 | if (ret) | |
640 | return ret; | |
641 | ||
642 | return strlen(buf); | |
643 | } | |
644 | ||
645 | /** | |
8973a6e7 RD |
646 | * metric_id_get - Get function for sysfs attribute metric_id |
647 | * @dev: the &struct device | |
648 | * @attr: device attributes | |
649 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
650 | */ |
651 | static ssize_t metric_id_get(struct device *dev, | |
652 | struct device_attribute *attr, char *buf) | |
653 | { | |
3db4f989 DD |
654 | struct mrvl_mesh_defaults defs; |
655 | int ret; | |
656 | ||
657 | ret = mesh_get_default_parameters(dev, &defs); | |
658 | ||
659 | if (ret) | |
660 | return ret; | |
661 | ||
662 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id); | |
663 | } | |
664 | ||
665 | /** | |
666 | * metric_id_set - Set function for sysfs attribute metric_id | |
667 | * @dev: the &struct device | |
668 | * @attr: device attributes | |
669 | * @buf: buffer that contains new attribute value | |
670 | * @count: size of buffer | |
671 | */ | |
672 | static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr, | |
673 | const char *buf, size_t count) | |
674 | { | |
675 | struct cmd_ds_mesh_config cmd; | |
676 | struct mrvl_mesh_defaults defs; | |
677 | struct mrvl_meshie *ie; | |
678 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
679 | uint32_t datum; | |
680 | int ret; | |
681 | ||
682 | memset(&cmd, 0, sizeof(cmd)); | |
683 | ret = sscanf(buf, "%d", &datum); | |
684 | if ((ret != 1) || (datum > 255)) | |
685 | return -EINVAL; | |
686 | ||
687 | /* fetch all other Information Element parameters */ | |
688 | ret = mesh_get_default_parameters(dev, &defs); | |
689 | ||
690 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
691 | ||
692 | /* transfer IE elements */ | |
693 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
694 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
695 | /* update metric id */ | |
696 | ie->val.active_metric_id = datum; | |
697 | ||
698 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
699 | CMD_TYPE_MESH_SET_MESH_IE); | |
700 | if (ret) | |
701 | return ret; | |
702 | ||
703 | return strlen(buf); | |
704 | } | |
705 | ||
706 | /** | |
707 | * capability_get - Get function for sysfs attribute capability | |
708 | * @dev: the &struct device | |
709 | * @attr: device attributes | |
710 | * @buf: buffer where data will be returned | |
711 | */ | |
712 | static ssize_t capability_get(struct device *dev, | |
713 | struct device_attribute *attr, char *buf) | |
714 | { | |
715 | struct mrvl_mesh_defaults defs; | |
716 | int ret; | |
717 | ||
718 | ret = mesh_get_default_parameters(dev, &defs); | |
719 | ||
720 | if (ret) | |
721 | return ret; | |
722 | ||
723 | return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability); | |
724 | } | |
725 | ||
726 | /** | |
727 | * capability_set - Set function for sysfs attribute capability | |
728 | * @dev: the &struct device | |
729 | * @attr: device attributes | |
730 | * @buf: buffer that contains new attribute value | |
731 | * @count: size of buffer | |
732 | */ | |
733 | static ssize_t capability_set(struct device *dev, struct device_attribute *attr, | |
734 | const char *buf, size_t count) | |
735 | { | |
736 | struct cmd_ds_mesh_config cmd; | |
737 | struct mrvl_mesh_defaults defs; | |
738 | struct mrvl_meshie *ie; | |
739 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
740 | uint32_t datum; | |
741 | int ret; | |
742 | ||
743 | memset(&cmd, 0, sizeof(cmd)); | |
744 | ret = sscanf(buf, "%d", &datum); | |
745 | if ((ret != 1) || (datum > 255)) | |
746 | return -EINVAL; | |
747 | ||
748 | /* fetch all other Information Element parameters */ | |
749 | ret = mesh_get_default_parameters(dev, &defs); | |
750 | ||
751 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
752 | ||
753 | /* transfer IE elements */ | |
754 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
755 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
756 | /* update value */ | |
757 | ie->val.mesh_capability = datum; | |
758 | ||
759 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
760 | CMD_TYPE_MESH_SET_MESH_IE); | |
761 | if (ret) | |
762 | return ret; | |
763 | ||
764 | return strlen(buf); | |
765 | } | |
766 | ||
767 | ||
768 | static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set); | |
769 | static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set); | |
770 | static DEVICE_ATTR(channel, 0644, channel_get, channel_set); | |
771 | static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set); | |
772 | static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set); | |
773 | static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set); | |
774 | static DEVICE_ATTR(capability, 0644, capability_get, capability_set); | |
775 | ||
776 | static struct attribute *boot_opts_attrs[] = { | |
777 | &dev_attr_bootflag.attr, | |
778 | &dev_attr_boottime.attr, | |
779 | &dev_attr_channel.attr, | |
780 | NULL | |
781 | }; | |
782 | ||
783 | static const struct attribute_group boot_opts_group = { | |
784 | .name = "boot_options", | |
785 | .attrs = boot_opts_attrs, | |
786 | }; | |
787 | ||
788 | static struct attribute *mesh_ie_attrs[] = { | |
789 | &dev_attr_mesh_id.attr, | |
790 | &dev_attr_protocol_id.attr, | |
791 | &dev_attr_metric_id.attr, | |
792 | &dev_attr_capability.attr, | |
793 | NULL | |
794 | }; | |
795 | ||
796 | static const struct attribute_group mesh_ie_group = { | |
797 | .name = "mesh_ie", | |
798 | .attrs = mesh_ie_attrs, | |
799 | }; | |
800 | ||
801 | static void lbs_persist_config_init(struct net_device *dev) | |
802 | { | |
803 | int ret; | |
804 | ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group); | |
805 | ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group); | |
806 | } | |
807 | ||
808 | static void lbs_persist_config_remove(struct net_device *dev) | |
809 | { | |
810 | sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group); | |
811 | sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group); | |
812 | } | |
813 | ||
814 | ||
815 | /*************************************************************************** | |
816 | * Initializing and starting, stopping mesh | |
817 | */ | |
818 | ||
819 | /* | |
820 | * Check mesh FW version and appropriately send the mesh start | |
821 | * command | |
822 | */ | |
823 | int lbs_init_mesh(struct lbs_private *priv) | |
824 | { | |
3db4f989 DD |
825 | int ret = 0; |
826 | ||
827 | lbs_deb_enter(LBS_DEB_MESH); | |
828 | ||
3db4f989 DD |
829 | /* Determine mesh_fw_ver from fwrelease and fwcapinfo */ |
830 | /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */ | |
831 | /* 5.110.22 have mesh command with 0xa3 command id */ | |
832 | /* 10.0.0.p0 FW brings in mesh config command with different id */ | |
833 | /* Check FW version MSB and initialize mesh_fw_ver */ | |
834 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) { | |
835 | /* Enable mesh, if supported, and work out which TLV it uses. | |
836 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
837 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
838 | but we check them in that order because 20.pXX doesn't | |
839 | give an error -- it just silently fails. */ | |
840 | ||
841 | /* 5.110.20.pXX firmware will fail the command if the channel | |
842 | doesn't match the existing channel. But only if the TLV | |
843 | is correct. If the channel is wrong, _BOTH_ versions will | |
844 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
845 | It's just that 5.110.20.pXX will not have done anything | |
846 | useful */ | |
847 | ||
848 | priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID; | |
49fee692 | 849 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) { |
3db4f989 | 850 | priv->mesh_tlv = TLV_TYPE_MESH_ID; |
49fee692 | 851 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) |
3db4f989 DD |
852 | priv->mesh_tlv = 0; |
853 | } | |
854 | } else | |
855 | if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && | |
856 | (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) { | |
857 | /* 10.0.0.pXX new firmwares should succeed with TLV | |
858 | * 0x100+37; Do not invoke command with old TLV. | |
859 | */ | |
860 | priv->mesh_tlv = TLV_TYPE_MESH_ID; | |
49fee692 | 861 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) |
3db4f989 DD |
862 | priv->mesh_tlv = 0; |
863 | } | |
864 | ||
d9319986 | 865 | /* Stop meshing until interface is brought up */ |
49fee692 | 866 | lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1); |
3db4f989 DD |
867 | |
868 | if (priv->mesh_tlv) { | |
869 | sprintf(priv->mesh_ssid, "mesh"); | |
870 | priv->mesh_ssid_len = 4; | |
3db4f989 DD |
871 | ret = 1; |
872 | } | |
873 | ||
874 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
875 | return ret; | |
876 | } | |
877 | ||
49fee692 DD |
878 | void lbs_start_mesh(struct lbs_private *priv) |
879 | { | |
880 | lbs_add_mesh(priv); | |
881 | ||
882 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_mesh)) | |
883 | netdev_err(priv->dev, "cannot register lbs_mesh attribute\n"); | |
884 | } | |
3db4f989 DD |
885 | |
886 | int lbs_deinit_mesh(struct lbs_private *priv) | |
887 | { | |
888 | struct net_device *dev = priv->dev; | |
889 | int ret = 0; | |
15dbaac0 | 890 | |
3db4f989 | 891 | lbs_deb_enter(LBS_DEB_MESH); |
15dbaac0 | 892 | |
3db4f989 DD |
893 | if (priv->mesh_tlv) { |
894 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
895 | ret = 1; | |
896 | } | |
15dbaac0 | 897 | |
3db4f989 DD |
898 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); |
899 | return ret; | |
15dbaac0 JC |
900 | } |
901 | ||
3db4f989 | 902 | |
15dbaac0 | 903 | /** |
3db4f989 DD |
904 | * lbs_mesh_stop - close the mshX interface |
905 | * | |
906 | * @dev: A pointer to &net_device structure | |
907 | * returns: 0 | |
15dbaac0 | 908 | */ |
3db4f989 | 909 | static int lbs_mesh_stop(struct net_device *dev) |
15dbaac0 | 910 | { |
3db4f989 | 911 | struct lbs_private *priv = dev->ml_priv; |
15dbaac0 | 912 | |
3db4f989 | 913 | lbs_deb_enter(LBS_DEB_MESH); |
49fee692 DD |
914 | lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, |
915 | lbs_mesh_get_channel(priv)); | |
15dbaac0 | 916 | |
d9319986 | 917 | spin_lock_irq(&priv->driver_lock); |
15dbaac0 | 918 | |
3db4f989 DD |
919 | netif_stop_queue(dev); |
920 | netif_carrier_off(dev); | |
15dbaac0 | 921 | |
3db4f989 | 922 | spin_unlock_irq(&priv->driver_lock); |
15dbaac0 | 923 | |
d2e7b342 DD |
924 | lbs_update_mcast(priv); |
925 | if (!lbs_iface_active(priv)) | |
926 | lbs_stop_iface(priv); | |
15dbaac0 | 927 | |
3db4f989 DD |
928 | lbs_deb_leave(LBS_DEB_MESH); |
929 | return 0; | |
15dbaac0 JC |
930 | } |
931 | ||
932 | /** | |
3db4f989 DD |
933 | * lbs_mesh_dev_open - open the mshX interface |
934 | * | |
935 | * @dev: A pointer to &net_device structure | |
936 | * returns: 0 or -EBUSY if monitor mode active | |
15dbaac0 | 937 | */ |
3db4f989 | 938 | static int lbs_mesh_dev_open(struct net_device *dev) |
15dbaac0 | 939 | { |
3db4f989 DD |
940 | struct lbs_private *priv = dev->ml_priv; |
941 | int ret = 0; | |
15dbaac0 | 942 | |
3db4f989 | 943 | lbs_deb_enter(LBS_DEB_NET); |
d2e7b342 DD |
944 | if (!priv->iface_running) { |
945 | ret = lbs_start_iface(priv); | |
946 | if (ret) | |
947 | goto out; | |
948 | } | |
15dbaac0 | 949 | |
3db4f989 | 950 | spin_lock_irq(&priv->driver_lock); |
15dbaac0 | 951 | |
3db4f989 DD |
952 | if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) { |
953 | ret = -EBUSY; | |
d9319986 | 954 | spin_unlock_irq(&priv->driver_lock); |
3db4f989 DD |
955 | goto out; |
956 | } | |
957 | ||
3db4f989 DD |
958 | netif_carrier_on(dev); |
959 | ||
960 | if (!priv->tx_pending_len) | |
961 | netif_wake_queue(dev); | |
3db4f989 DD |
962 | |
963 | spin_unlock_irq(&priv->driver_lock); | |
d9319986 | 964 | |
49fee692 DD |
965 | ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, |
966 | lbs_mesh_get_channel(priv)); | |
d9319986 DD |
967 | |
968 | out: | |
3db4f989 DD |
969 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
970 | return ret; | |
15dbaac0 JC |
971 | } |
972 | ||
3db4f989 DD |
973 | static const struct net_device_ops mesh_netdev_ops = { |
974 | .ndo_open = lbs_mesh_dev_open, | |
975 | .ndo_stop = lbs_mesh_stop, | |
976 | .ndo_start_xmit = lbs_hard_start_xmit, | |
977 | .ndo_set_mac_address = lbs_set_mac_address, | |
afc4b13d | 978 | .ndo_set_rx_mode = lbs_set_multicast_list, |
3db4f989 DD |
979 | }; |
980 | ||
15dbaac0 | 981 | /** |
3db4f989 DD |
982 | * lbs_add_mesh - add mshX interface |
983 | * | |
984 | * @priv: A pointer to the &struct lbs_private structure | |
985 | * returns: 0 if successful, -X otherwise | |
15dbaac0 | 986 | */ |
3db4f989 | 987 | static int lbs_add_mesh(struct lbs_private *priv) |
15dbaac0 | 988 | { |
3db4f989 | 989 | struct net_device *mesh_dev = NULL; |
49fee692 | 990 | struct wireless_dev *mesh_wdev; |
3db4f989 | 991 | int ret = 0; |
15dbaac0 | 992 | |
3db4f989 | 993 | lbs_deb_enter(LBS_DEB_MESH); |
15dbaac0 | 994 | |
3db4f989 | 995 | /* Allocate a virtual mesh device */ |
49fee692 DD |
996 | mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
997 | if (!mesh_wdev) { | |
998 | lbs_deb_mesh("init mshX wireless device failed\n"); | |
999 | ret = -ENOMEM; | |
1000 | goto done; | |
1001 | } | |
1002 | ||
3db4f989 DD |
1003 | mesh_dev = alloc_netdev(0, "msh%d", ether_setup); |
1004 | if (!mesh_dev) { | |
1005 | lbs_deb_mesh("init mshX device failed\n"); | |
1006 | ret = -ENOMEM; | |
49fee692 | 1007 | goto err_free_wdev; |
3db4f989 | 1008 | } |
49fee692 DD |
1009 | |
1010 | mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT; | |
1011 | mesh_wdev->wiphy = priv->wdev->wiphy; | |
1012 | mesh_wdev->netdev = mesh_dev; | |
1013 | ||
3db4f989 | 1014 | mesh_dev->ml_priv = priv; |
49fee692 | 1015 | mesh_dev->ieee80211_ptr = mesh_wdev; |
3db4f989 | 1016 | priv->mesh_dev = mesh_dev; |
15dbaac0 | 1017 | |
3db4f989 DD |
1018 | mesh_dev->netdev_ops = &mesh_netdev_ops; |
1019 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
1020 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN); | |
15dbaac0 | 1021 | |
3db4f989 | 1022 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
15dbaac0 | 1023 | |
3db4f989 DD |
1024 | mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
1025 | /* Register virtual mesh interface */ | |
1026 | ret = register_netdev(mesh_dev); | |
1027 | if (ret) { | |
1028 | pr_err("cannot register mshX virtual interface\n"); | |
49fee692 | 1029 | goto err_free_netdev; |
3db4f989 DD |
1030 | } |
1031 | ||
1032 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
15dbaac0 | 1033 | if (ret) |
3db4f989 | 1034 | goto err_unregister; |
15dbaac0 | 1035 | |
3db4f989 | 1036 | lbs_persist_config_init(mesh_dev); |
15dbaac0 | 1037 | |
3db4f989 DD |
1038 | /* Everything successful */ |
1039 | ret = 0; | |
1040 | goto done; | |
15dbaac0 | 1041 | |
3db4f989 DD |
1042 | err_unregister: |
1043 | unregister_netdev(mesh_dev); | |
15dbaac0 | 1044 | |
49fee692 | 1045 | err_free_netdev: |
3db4f989 | 1046 | free_netdev(mesh_dev); |
15dbaac0 | 1047 | |
49fee692 DD |
1048 | err_free_wdev: |
1049 | kfree(mesh_wdev); | |
1050 | ||
3db4f989 DD |
1051 | done: |
1052 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1053 | return ret; | |
1054 | } | |
15dbaac0 | 1055 | |
3db4f989 DD |
1056 | void lbs_remove_mesh(struct lbs_private *priv) |
1057 | { | |
1058 | struct net_device *mesh_dev; | |
15dbaac0 | 1059 | |
3db4f989 DD |
1060 | mesh_dev = priv->mesh_dev; |
1061 | if (!mesh_dev) | |
1062 | return; | |
15dbaac0 | 1063 | |
3db4f989 DD |
1064 | lbs_deb_enter(LBS_DEB_MESH); |
1065 | netif_stop_queue(mesh_dev); | |
1066 | netif_carrier_off(mesh_dev); | |
1067 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
1068 | lbs_persist_config_remove(mesh_dev); | |
1069 | unregister_netdev(mesh_dev); | |
1070 | priv->mesh_dev = NULL; | |
49fee692 | 1071 | kfree(mesh_dev->ieee80211_ptr); |
3db4f989 DD |
1072 | free_netdev(mesh_dev); |
1073 | lbs_deb_leave(LBS_DEB_MESH); | |
15dbaac0 JC |
1074 | } |
1075 | ||
3db4f989 DD |
1076 | |
1077 | /*************************************************************************** | |
1078 | * Sending and receiving | |
1079 | */ | |
1080 | struct net_device *lbs_mesh_set_dev(struct lbs_private *priv, | |
1081 | struct net_device *dev, struct rxpd *rxpd) | |
15dbaac0 | 1082 | { |
3db4f989 DD |
1083 | if (priv->mesh_dev) { |
1084 | if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) { | |
1085 | if (rxpd->rx_control & RxPD_MESH_FRAME) | |
1086 | dev = priv->mesh_dev; | |
1087 | } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) { | |
1088 | if (rxpd->u.bss.bss_num == MESH_IFACE_ID) | |
1089 | dev = priv->mesh_dev; | |
1090 | } | |
1091 | } | |
1092 | return dev; | |
15dbaac0 | 1093 | } |
c7fe64cf HS |
1094 | |
1095 | ||
3db4f989 DD |
1096 | void lbs_mesh_set_txpd(struct lbs_private *priv, |
1097 | struct net_device *dev, struct txpd *txpd) | |
1098 | { | |
1099 | if (dev == priv->mesh_dev) { | |
1100 | if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) | |
1101 | txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME); | |
1102 | else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) | |
1103 | txpd->u.bss.bss_num = MESH_IFACE_ID; | |
1104 | } | |
1105 | } | |
1106 | ||
c7fe64cf HS |
1107 | |
1108 | /*************************************************************************** | |
1109 | * Ethtool related | |
1110 | */ | |
1111 | ||
3db4f989 | 1112 | static const char * const mesh_stat_strings[] = { |
c7fe64cf HS |
1113 | "drop_duplicate_bcast", |
1114 | "drop_ttl_zero", | |
1115 | "drop_no_fwd_route", | |
1116 | "drop_no_buffers", | |
1117 | "fwded_unicast_cnt", | |
1118 | "fwded_bcast_cnt", | |
1119 | "drop_blind_table", | |
1120 | "tx_failed_cnt" | |
1121 | }; | |
1122 | ||
1123 | void lbs_mesh_ethtool_get_stats(struct net_device *dev, | |
1124 | struct ethtool_stats *stats, uint64_t *data) | |
1125 | { | |
1126 | struct lbs_private *priv = dev->ml_priv; | |
1127 | struct cmd_ds_mesh_access mesh_access; | |
1128 | int ret; | |
1129 | ||
1130 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1131 | ||
1132 | /* Get Mesh Statistics */ | |
1133 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access); | |
1134 | ||
1135 | if (ret) { | |
1136 | memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t))); | |
1137 | return; | |
1138 | } | |
1139 | ||
1140 | priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]); | |
1141 | priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]); | |
1142 | priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]); | |
1143 | priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]); | |
1144 | priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]); | |
1145 | priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]); | |
1146 | priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]); | |
1147 | priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]); | |
1148 | ||
1149 | data[0] = priv->mstats.fwd_drop_rbt; | |
1150 | data[1] = priv->mstats.fwd_drop_ttl; | |
1151 | data[2] = priv->mstats.fwd_drop_noroute; | |
1152 | data[3] = priv->mstats.fwd_drop_nobuf; | |
1153 | data[4] = priv->mstats.fwd_unicast_cnt; | |
1154 | data[5] = priv->mstats.fwd_bcast_cnt; | |
1155 | data[6] = priv->mstats.drop_blind; | |
1156 | data[7] = priv->mstats.tx_failed_cnt; | |
1157 | ||
1158 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1159 | } | |
1160 | ||
1161 | int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset) | |
1162 | { | |
1163 | struct lbs_private *priv = dev->ml_priv; | |
1164 | ||
1165 | if (sset == ETH_SS_STATS && dev == priv->mesh_dev) | |
1166 | return MESH_STATS_NUM; | |
1167 | ||
1168 | return -EOPNOTSUPP; | |
1169 | } | |
1170 | ||
1171 | void lbs_mesh_ethtool_get_strings(struct net_device *dev, | |
1172 | uint32_t stringset, uint8_t *s) | |
1173 | { | |
1174 | int i; | |
1175 | ||
1176 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1177 | ||
1178 | switch (stringset) { | |
1179 | case ETH_SS_STATS: | |
1180 | for (i = 0; i < MESH_STATS_NUM; i++) { | |
1181 | memcpy(s + i * ETH_GSTRING_LEN, | |
1182 | mesh_stat_strings[i], | |
1183 | ETH_GSTRING_LEN); | |
1184 | } | |
1185 | break; | |
1186 | } | |
1187 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1188 | } |