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Commit | Line | Data |
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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; | |
3db4f989 DD |
96 | |
97 | memset(&cmd, 0, sizeof(cmd)); | |
98 | cmd.channel = cpu_to_le16(chan); | |
99 | ie = (struct mrvl_meshie *)cmd.data; | |
100 | ||
101 | switch (action) { | |
102 | case CMD_ACT_MESH_CONFIG_START: | |
04b2312a | 103 | ie->id = WLAN_EID_VENDOR_SPECIFIC; |
3db4f989 DD |
104 | ie->val.oui[0] = 0x00; |
105 | ie->val.oui[1] = 0x50; | |
106 | ie->val.oui[2] = 0x43; | |
107 | ie->val.type = MARVELL_MESH_IE_TYPE; | |
108 | ie->val.subtype = MARVELL_MESH_IE_SUBTYPE; | |
109 | ie->val.version = MARVELL_MESH_IE_VERSION; | |
110 | ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP; | |
111 | ie->val.active_metric_id = MARVELL_MESH_METRIC_ID; | |
112 | ie->val.mesh_capability = MARVELL_MESH_CAPABILITY; | |
113 | ie->val.mesh_id_len = priv->mesh_ssid_len; | |
114 | memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len); | |
115 | ie->len = sizeof(struct mrvl_meshie_val) - | |
116 | IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len; | |
117 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val)); | |
118 | break; | |
119 | case CMD_ACT_MESH_CONFIG_STOP: | |
120 | break; | |
121 | default: | |
122 | return -1; | |
123 | } | |
da169607 AS |
124 | lbs_deb_cmd("mesh config action %d type %x channel %d SSID %*pE\n", |
125 | action, priv->mesh_tlv, chan, priv->mesh_ssid_len, | |
126 | priv->mesh_ssid); | |
3db4f989 DD |
127 | |
128 | return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv); | |
129 | } | |
130 | ||
49fee692 DD |
131 | int lbs_mesh_set_channel(struct lbs_private *priv, u8 channel) |
132 | { | |
e8c9bd5b | 133 | priv->mesh_channel = channel; |
49fee692 DD |
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 | { | |
e8c9bd5b | 139 | return priv->mesh_channel ?: 1; |
49fee692 | 140 | } |
3db4f989 | 141 | |
e0e42da3 HS |
142 | /*************************************************************************** |
143 | * Mesh sysfs support | |
144 | */ | |
145 | ||
8973a6e7 | 146 | /* |
e0e42da3 HS |
147 | * Attributes exported through sysfs |
148 | */ | |
149 | ||
150 | /** | |
8973a6e7 RD |
151 | * lbs_anycast_get - Get function for sysfs attribute anycast_mask |
152 | * @dev: the &struct device | |
153 | * @attr: device attributes | |
154 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
155 | */ |
156 | static ssize_t lbs_anycast_get(struct device *dev, | |
157 | struct device_attribute *attr, char * buf) | |
158 | { | |
159 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
160 | struct cmd_ds_mesh_access mesh_access; | |
161 | int ret; | |
162 | ||
163 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
164 | ||
165 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
166 | if (ret) | |
167 | return ret; | |
168 | ||
169 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); | |
170 | } | |
171 | ||
172 | /** | |
8973a6e7 RD |
173 | * lbs_anycast_set - Set function for sysfs attribute anycast_mask |
174 | * @dev: the &struct device | |
175 | * @attr: device attributes | |
176 | * @buf: buffer that contains new attribute value | |
177 | * @count: size of buffer | |
e0e42da3 HS |
178 | */ |
179 | static ssize_t lbs_anycast_set(struct device *dev, | |
180 | struct device_attribute *attr, const char * buf, size_t count) | |
181 | { | |
182 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
183 | struct cmd_ds_mesh_access mesh_access; | |
184 | uint32_t datum; | |
185 | int ret; | |
186 | ||
187 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
188 | sscanf(buf, "%x", &datum); | |
189 | mesh_access.data[0] = cpu_to_le32(datum); | |
190 | ||
191 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); | |
192 | if (ret) | |
193 | return ret; | |
194 | ||
195 | return strlen(buf); | |
196 | } | |
197 | ||
198 | /** | |
8973a6e7 RD |
199 | * lbs_prb_rsp_limit_get - Get function for sysfs attribute prb_rsp_limit |
200 | * @dev: the &struct device | |
201 | * @attr: device attributes | |
202 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
203 | */ |
204 | static ssize_t lbs_prb_rsp_limit_get(struct device *dev, | |
205 | struct device_attribute *attr, char *buf) | |
206 | { | |
207 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
208 | struct cmd_ds_mesh_access mesh_access; | |
209 | int ret; | |
210 | u32 retry_limit; | |
211 | ||
212 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
213 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET); | |
214 | ||
215 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | |
216 | &mesh_access); | |
217 | if (ret) | |
218 | return ret; | |
219 | ||
220 | retry_limit = le32_to_cpu(mesh_access.data[1]); | |
221 | return snprintf(buf, 10, "%d\n", retry_limit); | |
222 | } | |
223 | ||
224 | /** | |
8973a6e7 RD |
225 | * lbs_prb_rsp_limit_set - Set function for sysfs attribute prb_rsp_limit |
226 | * @dev: the &struct device | |
227 | * @attr: device attributes | |
228 | * @buf: buffer that contains new attribute value | |
229 | * @count: size of buffer | |
e0e42da3 HS |
230 | */ |
231 | static ssize_t lbs_prb_rsp_limit_set(struct device *dev, | |
232 | struct device_attribute *attr, const char *buf, size_t count) | |
233 | { | |
234 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
235 | struct cmd_ds_mesh_access mesh_access; | |
236 | int ret; | |
237 | unsigned long retry_limit; | |
238 | ||
239 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
240 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET); | |
241 | ||
27d7f477 | 242 | if (!kstrtoul(buf, 10, &retry_limit)) |
e0e42da3 HS |
243 | return -ENOTSUPP; |
244 | if (retry_limit > 15) | |
245 | return -ENOTSUPP; | |
246 | ||
247 | mesh_access.data[1] = cpu_to_le32(retry_limit); | |
248 | ||
249 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | |
250 | &mesh_access); | |
251 | if (ret) | |
252 | return ret; | |
253 | ||
254 | return strlen(buf); | |
255 | } | |
256 | ||
257 | /** | |
8973a6e7 RD |
258 | * lbs_mesh_get - Get function for sysfs attribute mesh |
259 | * @dev: the &struct device | |
260 | * @attr: device attributes | |
261 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
262 | */ |
263 | static ssize_t lbs_mesh_get(struct device *dev, | |
264 | struct device_attribute *attr, char * buf) | |
265 | { | |
266 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
267 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
268 | } | |
269 | ||
270 | /** | |
8973a6e7 RD |
271 | * lbs_mesh_set - Set function for sysfs attribute mesh |
272 | * @dev: the &struct device | |
273 | * @attr: device attributes | |
274 | * @buf: buffer that contains new attribute value | |
275 | * @count: size of buffer | |
e0e42da3 HS |
276 | */ |
277 | static ssize_t lbs_mesh_set(struct device *dev, | |
278 | struct device_attribute *attr, const char * buf, size_t count) | |
279 | { | |
280 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
281 | int enable; | |
e0e42da3 HS |
282 | |
283 | sscanf(buf, "%x", &enable); | |
284 | enable = !!enable; | |
285 | if (enable == !!priv->mesh_dev) | |
286 | return count; | |
e0e42da3 HS |
287 | |
288 | if (enable) | |
289 | lbs_add_mesh(priv); | |
290 | else | |
291 | lbs_remove_mesh(priv); | |
292 | ||
293 | return count; | |
294 | } | |
295 | ||
8973a6e7 | 296 | /* |
e0e42da3 HS |
297 | * lbs_mesh attribute to be exported per ethX interface |
298 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
299 | */ | |
300 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
301 | ||
8973a6e7 | 302 | /* |
e0e42da3 HS |
303 | * anycast_mask attribute to be exported per mshX interface |
304 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
305 | */ | |
306 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); | |
307 | ||
8973a6e7 | 308 | /* |
e0e42da3 HS |
309 | * prb_rsp_limit attribute to be exported per mshX interface |
310 | * through sysfs (/sys/class/net/mshX/prb_rsp_limit) | |
311 | */ | |
312 | static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get, | |
313 | lbs_prb_rsp_limit_set); | |
314 | ||
315 | static struct attribute *lbs_mesh_sysfs_entries[] = { | |
316 | &dev_attr_anycast_mask.attr, | |
317 | &dev_attr_prb_rsp_limit.attr, | |
318 | NULL, | |
319 | }; | |
320 | ||
3db4f989 | 321 | static const struct attribute_group lbs_mesh_attr_group = { |
e0e42da3 HS |
322 | .attrs = lbs_mesh_sysfs_entries, |
323 | }; | |
324 | ||
325 | ||
e0e42da3 | 326 | /*************************************************************************** |
3db4f989 | 327 | * Persistent configuration support |
e0e42da3 HS |
328 | */ |
329 | ||
3db4f989 DD |
330 | static int mesh_get_default_parameters(struct device *dev, |
331 | struct mrvl_mesh_defaults *defs) | |
e0e42da3 | 332 | { |
3db4f989 DD |
333 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
334 | struct cmd_ds_mesh_config cmd; | |
335 | int ret; | |
e0e42da3 | 336 | |
3db4f989 DD |
337 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); |
338 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET, | |
339 | CMD_TYPE_MESH_GET_DEFAULTS); | |
e0e42da3 | 340 | |
3db4f989 DD |
341 | if (ret) |
342 | return -EOPNOTSUPP; | |
c24ef46e | 343 | |
3db4f989 | 344 | memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults)); |
c24ef46e | 345 | |
3db4f989 DD |
346 | return 0; |
347 | } | |
e4da1a81 | 348 | |
3db4f989 DD |
349 | /** |
350 | * bootflag_get - Get function for sysfs attribute bootflag | |
351 | * @dev: the &struct device | |
352 | * @attr: device attributes | |
353 | * @buf: buffer where data will be returned | |
354 | */ | |
355 | static ssize_t bootflag_get(struct device *dev, | |
356 | struct device_attribute *attr, char *buf) | |
357 | { | |
358 | struct mrvl_mesh_defaults defs; | |
359 | int ret; | |
e0e42da3 | 360 | |
3db4f989 | 361 | ret = mesh_get_default_parameters(dev, &defs); |
e0e42da3 | 362 | |
3db4f989 DD |
363 | if (ret) |
364 | return ret; | |
e0e42da3 | 365 | |
3db4f989 | 366 | return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag)); |
e0e42da3 HS |
367 | } |
368 | ||
3db4f989 DD |
369 | /** |
370 | * bootflag_set - Set function for sysfs attribute bootflag | |
371 | * @dev: the &struct device | |
372 | * @attr: device attributes | |
373 | * @buf: buffer that contains new attribute value | |
374 | * @count: size of buffer | |
375 | */ | |
376 | static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr, | |
377 | const char *buf, size_t count) | |
e0e42da3 | 378 | { |
3db4f989 DD |
379 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
380 | struct cmd_ds_mesh_config cmd; | |
381 | uint32_t datum; | |
382 | int ret; | |
e0e42da3 | 383 | |
3db4f989 DD |
384 | memset(&cmd, 0, sizeof(cmd)); |
385 | ret = sscanf(buf, "%d", &datum); | |
386 | if ((ret != 1) || (datum > 1)) | |
387 | return -EINVAL; | |
e0e42da3 | 388 | |
3db4f989 DD |
389 | *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum); |
390 | cmd.length = cpu_to_le16(sizeof(uint32_t)); | |
391 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
392 | CMD_TYPE_MESH_SET_BOOTFLAG); | |
393 | if (ret) | |
394 | return ret; | |
e0e42da3 | 395 | |
3db4f989 | 396 | return strlen(buf); |
e0e42da3 HS |
397 | } |
398 | ||
e0e42da3 | 399 | /** |
3db4f989 DD |
400 | * boottime_get - Get function for sysfs attribute boottime |
401 | * @dev: the &struct device | |
402 | * @attr: device attributes | |
403 | * @buf: buffer where data will be returned | |
e0e42da3 | 404 | */ |
3db4f989 DD |
405 | static ssize_t boottime_get(struct device *dev, |
406 | struct device_attribute *attr, char *buf) | |
e0e42da3 | 407 | { |
3db4f989 DD |
408 | struct mrvl_mesh_defaults defs; |
409 | int ret; | |
e0e42da3 | 410 | |
3db4f989 | 411 | ret = mesh_get_default_parameters(dev, &defs); |
e0e42da3 | 412 | |
3db4f989 DD |
413 | if (ret) |
414 | return ret; | |
15dbaac0 | 415 | |
fb904907 | 416 | return snprintf(buf, 12, "%d\n", defs.boottime); |
15dbaac0 JC |
417 | } |
418 | ||
419 | /** | |
8973a6e7 RD |
420 | * boottime_set - Set function for sysfs attribute boottime |
421 | * @dev: the &struct device | |
422 | * @attr: device attributes | |
423 | * @buf: buffer that contains new attribute value | |
424 | * @count: size of buffer | |
15dbaac0 JC |
425 | */ |
426 | static ssize_t boottime_set(struct device *dev, | |
427 | struct device_attribute *attr, const char *buf, size_t count) | |
428 | { | |
ab65f649 | 429 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
430 | struct cmd_ds_mesh_config cmd; |
431 | uint32_t datum; | |
432 | int ret; | |
433 | ||
434 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
435 | ret = sscanf(buf, "%d", &datum); |
436 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
437 | return -EINVAL; |
438 | ||
439 | /* A too small boot time will result in the device booting into | |
440 | * standalone (no-host) mode before the host can take control of it, | |
441 | * so the change will be hard to revert. This may be a desired | |
442 | * feature (e.g to configure a very fast boot time for devices that | |
443 | * will not be attached to a host), but dangerous. So I'm enforcing a | |
444 | * lower limit of 20 seconds: remove and recompile the driver if this | |
445 | * does not work for you. | |
446 | */ | |
447 | datum = (datum < 20) ? 20 : datum; | |
448 | cmd.data[0] = datum; | |
449 | cmd.length = cpu_to_le16(sizeof(uint8_t)); | |
450 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
451 | CMD_TYPE_MESH_SET_BOOTTIME); | |
452 | if (ret) | |
453 | return ret; | |
454 | ||
455 | return strlen(buf); | |
456 | } | |
457 | ||
b679aeb3 | 458 | /** |
8973a6e7 RD |
459 | * channel_get - Get function for sysfs attribute channel |
460 | * @dev: the &struct device | |
461 | * @attr: device attributes | |
462 | * @buf: buffer where data will be returned | |
b679aeb3 JC |
463 | */ |
464 | static ssize_t channel_get(struct device *dev, | |
465 | struct device_attribute *attr, char *buf) | |
466 | { | |
467 | struct mrvl_mesh_defaults defs; | |
468 | int ret; | |
469 | ||
470 | ret = mesh_get_default_parameters(dev, &defs); | |
471 | ||
472 | if (ret) | |
473 | return ret; | |
474 | ||
fb904907 | 475 | return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel)); |
b679aeb3 JC |
476 | } |
477 | ||
478 | /** | |
8973a6e7 RD |
479 | * channel_set - Set function for sysfs attribute channel |
480 | * @dev: the &struct device | |
481 | * @attr: device attributes | |
482 | * @buf: buffer that contains new attribute value | |
483 | * @count: size of buffer | |
b679aeb3 JC |
484 | */ |
485 | static ssize_t channel_set(struct device *dev, struct device_attribute *attr, | |
486 | const char *buf, size_t count) | |
487 | { | |
ab65f649 | 488 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
b679aeb3 | 489 | struct cmd_ds_mesh_config cmd; |
fb904907 | 490 | uint32_t datum; |
b679aeb3 JC |
491 | int ret; |
492 | ||
493 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 | 494 | ret = sscanf(buf, "%d", &datum); |
b679aeb3 JC |
495 | if (ret != 1 || datum < 1 || datum > 11) |
496 | return -EINVAL; | |
497 | ||
498 | *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum); | |
499 | cmd.length = cpu_to_le16(sizeof(uint16_t)); | |
500 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
501 | CMD_TYPE_MESH_SET_DEF_CHANNEL); | |
502 | if (ret) | |
503 | return ret; | |
504 | ||
505 | return strlen(buf); | |
506 | } | |
507 | ||
15dbaac0 | 508 | /** |
8973a6e7 RD |
509 | * mesh_id_get - Get function for sysfs attribute mesh_id |
510 | * @dev: the &struct device | |
511 | * @attr: device attributes | |
512 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
513 | */ |
514 | static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr, | |
515 | char *buf) | |
516 | { | |
517 | struct mrvl_mesh_defaults defs; | |
15dbaac0 JC |
518 | int ret; |
519 | ||
520 | ret = mesh_get_default_parameters(dev, &defs); | |
521 | ||
522 | if (ret) | |
523 | return ret; | |
524 | ||
243e84e9 | 525 | if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) { |
f3a57fd1 | 526 | dev_err(dev, "inconsistent mesh ID length\n"); |
243e84e9 | 527 | defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN; |
15dbaac0 JC |
528 | } |
529 | ||
d89dba7a DC |
530 | memcpy(buf, defs.meshie.val.mesh_id, defs.meshie.val.mesh_id_len); |
531 | buf[defs.meshie.val.mesh_id_len] = '\n'; | |
532 | buf[defs.meshie.val.mesh_id_len + 1] = '\0'; | |
15dbaac0 | 533 | |
d89dba7a | 534 | return defs.meshie.val.mesh_id_len + 1; |
15dbaac0 JC |
535 | } |
536 | ||
537 | /** | |
8973a6e7 RD |
538 | * mesh_id_set - Set function for sysfs attribute mesh_id |
539 | * @dev: the &struct device | |
540 | * @attr: device attributes | |
541 | * @buf: buffer that contains new attribute value | |
542 | * @count: size of buffer | |
15dbaac0 JC |
543 | */ |
544 | static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr, | |
545 | const char *buf, size_t count) | |
546 | { | |
547 | struct cmd_ds_mesh_config cmd; | |
548 | struct mrvl_mesh_defaults defs; | |
549 | struct mrvl_meshie *ie; | |
ab65f649 | 550 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
551 | int len; |
552 | int ret; | |
553 | ||
243e84e9 | 554 | if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1) |
15dbaac0 JC |
555 | return -EINVAL; |
556 | ||
557 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); | |
558 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
559 | ||
560 | /* fetch all other Information Element parameters */ | |
561 | ret = mesh_get_default_parameters(dev, &defs); | |
562 | ||
563 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
564 | ||
565 | /* transfer IE elements */ | |
566 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
567 | ||
568 | len = count - 1; | |
569 | memcpy(ie->val.mesh_id, buf, len); | |
570 | /* SSID len */ | |
571 | ie->val.mesh_id_len = len; | |
572 | /* IE len */ | |
243e84e9 | 573 | ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len; |
15dbaac0 JC |
574 | |
575 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
576 | CMD_TYPE_MESH_SET_MESH_IE); | |
577 | if (ret) | |
578 | return ret; | |
579 | ||
580 | return strlen(buf); | |
581 | } | |
582 | ||
583 | /** | |
8973a6e7 RD |
584 | * protocol_id_get - Get function for sysfs attribute protocol_id |
585 | * @dev: the &struct device | |
586 | * @attr: device attributes | |
587 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
588 | */ |
589 | static ssize_t protocol_id_get(struct device *dev, | |
590 | struct device_attribute *attr, char *buf) | |
591 | { | |
592 | struct mrvl_mesh_defaults defs; | |
593 | int ret; | |
594 | ||
595 | ret = mesh_get_default_parameters(dev, &defs); | |
596 | ||
597 | if (ret) | |
598 | return ret; | |
599 | ||
600 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id); | |
601 | } | |
602 | ||
603 | /** | |
8973a6e7 RD |
604 | * protocol_id_set - Set function for sysfs attribute protocol_id |
605 | * @dev: the &struct device | |
606 | * @attr: device attributes | |
607 | * @buf: buffer that contains new attribute value | |
608 | * @count: size of buffer | |
15dbaac0 JC |
609 | */ |
610 | static ssize_t protocol_id_set(struct device *dev, | |
611 | struct device_attribute *attr, const char *buf, size_t count) | |
612 | { | |
613 | struct cmd_ds_mesh_config cmd; | |
614 | struct mrvl_mesh_defaults defs; | |
615 | struct mrvl_meshie *ie; | |
ab65f649 | 616 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
617 | uint32_t datum; |
618 | int ret; | |
619 | ||
620 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
621 | ret = sscanf(buf, "%d", &datum); |
622 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
623 | return -EINVAL; |
624 | ||
625 | /* fetch all other Information Element parameters */ | |
626 | ret = mesh_get_default_parameters(dev, &defs); | |
627 | ||
628 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
629 | ||
630 | /* transfer IE elements */ | |
631 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
632 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
633 | /* update protocol id */ | |
634 | ie->val.active_protocol_id = datum; | |
635 | ||
636 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
637 | CMD_TYPE_MESH_SET_MESH_IE); | |
638 | if (ret) | |
639 | return ret; | |
640 | ||
641 | return strlen(buf); | |
642 | } | |
643 | ||
644 | /** | |
8973a6e7 RD |
645 | * metric_id_get - Get function for sysfs attribute metric_id |
646 | * @dev: the &struct device | |
647 | * @attr: device attributes | |
648 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
649 | */ |
650 | static ssize_t metric_id_get(struct device *dev, | |
651 | struct device_attribute *attr, char *buf) | |
652 | { | |
3db4f989 DD |
653 | struct mrvl_mesh_defaults defs; |
654 | int ret; | |
655 | ||
656 | ret = mesh_get_default_parameters(dev, &defs); | |
657 | ||
658 | if (ret) | |
659 | return ret; | |
660 | ||
661 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id); | |
662 | } | |
663 | ||
664 | /** | |
665 | * metric_id_set - Set function for sysfs attribute metric_id | |
666 | * @dev: the &struct device | |
667 | * @attr: device attributes | |
668 | * @buf: buffer that contains new attribute value | |
669 | * @count: size of buffer | |
670 | */ | |
671 | static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr, | |
672 | const char *buf, size_t count) | |
673 | { | |
674 | struct cmd_ds_mesh_config cmd; | |
675 | struct mrvl_mesh_defaults defs; | |
676 | struct mrvl_meshie *ie; | |
677 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
678 | uint32_t datum; | |
679 | int ret; | |
680 | ||
681 | memset(&cmd, 0, sizeof(cmd)); | |
682 | ret = sscanf(buf, "%d", &datum); | |
683 | if ((ret != 1) || (datum > 255)) | |
684 | return -EINVAL; | |
685 | ||
686 | /* fetch all other Information Element parameters */ | |
687 | ret = mesh_get_default_parameters(dev, &defs); | |
688 | ||
689 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
690 | ||
691 | /* transfer IE elements */ | |
692 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
693 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
694 | /* update metric id */ | |
695 | ie->val.active_metric_id = datum; | |
696 | ||
697 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
698 | CMD_TYPE_MESH_SET_MESH_IE); | |
699 | if (ret) | |
700 | return ret; | |
701 | ||
702 | return strlen(buf); | |
703 | } | |
704 | ||
705 | /** | |
706 | * capability_get - Get function for sysfs attribute capability | |
707 | * @dev: the &struct device | |
708 | * @attr: device attributes | |
709 | * @buf: buffer where data will be returned | |
710 | */ | |
711 | static ssize_t capability_get(struct device *dev, | |
712 | struct device_attribute *attr, char *buf) | |
713 | { | |
714 | struct mrvl_mesh_defaults defs; | |
715 | int ret; | |
716 | ||
717 | ret = mesh_get_default_parameters(dev, &defs); | |
718 | ||
719 | if (ret) | |
720 | return ret; | |
721 | ||
722 | return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability); | |
723 | } | |
724 | ||
725 | /** | |
726 | * capability_set - Set function for sysfs attribute capability | |
727 | * @dev: the &struct device | |
728 | * @attr: device attributes | |
729 | * @buf: buffer that contains new attribute value | |
730 | * @count: size of buffer | |
731 | */ | |
732 | static ssize_t capability_set(struct device *dev, struct device_attribute *attr, | |
733 | const char *buf, size_t count) | |
734 | { | |
735 | struct cmd_ds_mesh_config cmd; | |
736 | struct mrvl_mesh_defaults defs; | |
737 | struct mrvl_meshie *ie; | |
738 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
739 | uint32_t datum; | |
740 | int ret; | |
741 | ||
742 | memset(&cmd, 0, sizeof(cmd)); | |
743 | ret = sscanf(buf, "%d", &datum); | |
744 | if ((ret != 1) || (datum > 255)) | |
745 | return -EINVAL; | |
746 | ||
747 | /* fetch all other Information Element parameters */ | |
748 | ret = mesh_get_default_parameters(dev, &defs); | |
749 | ||
750 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
751 | ||
752 | /* transfer IE elements */ | |
753 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
754 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
755 | /* update value */ | |
756 | ie->val.mesh_capability = datum; | |
757 | ||
758 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
759 | CMD_TYPE_MESH_SET_MESH_IE); | |
760 | if (ret) | |
761 | return ret; | |
762 | ||
763 | return strlen(buf); | |
764 | } | |
765 | ||
766 | ||
767 | static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set); | |
768 | static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set); | |
769 | static DEVICE_ATTR(channel, 0644, channel_get, channel_set); | |
770 | static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set); | |
771 | static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set); | |
772 | static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set); | |
773 | static DEVICE_ATTR(capability, 0644, capability_get, capability_set); | |
774 | ||
775 | static struct attribute *boot_opts_attrs[] = { | |
776 | &dev_attr_bootflag.attr, | |
777 | &dev_attr_boottime.attr, | |
778 | &dev_attr_channel.attr, | |
779 | NULL | |
780 | }; | |
781 | ||
782 | static const struct attribute_group boot_opts_group = { | |
783 | .name = "boot_options", | |
784 | .attrs = boot_opts_attrs, | |
785 | }; | |
786 | ||
787 | static struct attribute *mesh_ie_attrs[] = { | |
788 | &dev_attr_mesh_id.attr, | |
789 | &dev_attr_protocol_id.attr, | |
790 | &dev_attr_metric_id.attr, | |
791 | &dev_attr_capability.attr, | |
792 | NULL | |
793 | }; | |
794 | ||
795 | static const struct attribute_group mesh_ie_group = { | |
796 | .name = "mesh_ie", | |
797 | .attrs = mesh_ie_attrs, | |
798 | }; | |
799 | ||
800 | static void lbs_persist_config_init(struct net_device *dev) | |
801 | { | |
802 | int ret; | |
803 | ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group); | |
804 | ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group); | |
805 | } | |
806 | ||
807 | static void lbs_persist_config_remove(struct net_device *dev) | |
808 | { | |
809 | sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group); | |
810 | sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group); | |
811 | } | |
812 | ||
813 | ||
814 | /*************************************************************************** | |
815 | * Initializing and starting, stopping mesh | |
816 | */ | |
817 | ||
818 | /* | |
819 | * Check mesh FW version and appropriately send the mesh start | |
820 | * command | |
821 | */ | |
822 | int lbs_init_mesh(struct lbs_private *priv) | |
823 | { | |
3db4f989 DD |
824 | int ret = 0; |
825 | ||
826 | lbs_deb_enter(LBS_DEB_MESH); | |
827 | ||
3db4f989 DD |
828 | /* Determine mesh_fw_ver from fwrelease and fwcapinfo */ |
829 | /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */ | |
830 | /* 5.110.22 have mesh command with 0xa3 command id */ | |
831 | /* 10.0.0.p0 FW brings in mesh config command with different id */ | |
832 | /* Check FW version MSB and initialize mesh_fw_ver */ | |
833 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) { | |
834 | /* Enable mesh, if supported, and work out which TLV it uses. | |
835 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
836 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
837 | but we check them in that order because 20.pXX doesn't | |
838 | give an error -- it just silently fails. */ | |
839 | ||
840 | /* 5.110.20.pXX firmware will fail the command if the channel | |
841 | doesn't match the existing channel. But only if the TLV | |
842 | is correct. If the channel is wrong, _BOTH_ versions will | |
843 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
844 | It's just that 5.110.20.pXX will not have done anything | |
845 | useful */ | |
846 | ||
847 | priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID; | |
49fee692 | 848 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) { |
3db4f989 | 849 | priv->mesh_tlv = TLV_TYPE_MESH_ID; |
49fee692 | 850 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) |
3db4f989 DD |
851 | priv->mesh_tlv = 0; |
852 | } | |
853 | } else | |
854 | if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && | |
855 | (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) { | |
856 | /* 10.0.0.pXX new firmwares should succeed with TLV | |
857 | * 0x100+37; Do not invoke command with old TLV. | |
858 | */ | |
859 | priv->mesh_tlv = TLV_TYPE_MESH_ID; | |
49fee692 | 860 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) |
3db4f989 DD |
861 | priv->mesh_tlv = 0; |
862 | } | |
863 | ||
d9319986 | 864 | /* Stop meshing until interface is brought up */ |
49fee692 | 865 | lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1); |
3db4f989 DD |
866 | |
867 | if (priv->mesh_tlv) { | |
868 | sprintf(priv->mesh_ssid, "mesh"); | |
869 | priv->mesh_ssid_len = 4; | |
3db4f989 DD |
870 | ret = 1; |
871 | } | |
872 | ||
873 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
874 | return ret; | |
875 | } | |
876 | ||
49fee692 DD |
877 | void lbs_start_mesh(struct lbs_private *priv) |
878 | { | |
879 | lbs_add_mesh(priv); | |
880 | ||
881 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_mesh)) | |
882 | netdev_err(priv->dev, "cannot register lbs_mesh attribute\n"); | |
883 | } | |
3db4f989 DD |
884 | |
885 | int lbs_deinit_mesh(struct lbs_private *priv) | |
886 | { | |
887 | struct net_device *dev = priv->dev; | |
888 | int ret = 0; | |
15dbaac0 | 889 | |
3db4f989 | 890 | lbs_deb_enter(LBS_DEB_MESH); |
15dbaac0 | 891 | |
3db4f989 DD |
892 | if (priv->mesh_tlv) { |
893 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
894 | ret = 1; | |
895 | } | |
15dbaac0 | 896 | |
3db4f989 DD |
897 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); |
898 | return ret; | |
15dbaac0 JC |
899 | } |
900 | ||
3db4f989 | 901 | |
15dbaac0 | 902 | /** |
3db4f989 DD |
903 | * lbs_mesh_stop - close the mshX interface |
904 | * | |
905 | * @dev: A pointer to &net_device structure | |
906 | * returns: 0 | |
15dbaac0 | 907 | */ |
3db4f989 | 908 | static int lbs_mesh_stop(struct net_device *dev) |
15dbaac0 | 909 | { |
3db4f989 | 910 | struct lbs_private *priv = dev->ml_priv; |
15dbaac0 | 911 | |
3db4f989 | 912 | lbs_deb_enter(LBS_DEB_MESH); |
49fee692 DD |
913 | lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, |
914 | lbs_mesh_get_channel(priv)); | |
15dbaac0 | 915 | |
d9319986 | 916 | spin_lock_irq(&priv->driver_lock); |
15dbaac0 | 917 | |
3db4f989 DD |
918 | netif_stop_queue(dev); |
919 | netif_carrier_off(dev); | |
15dbaac0 | 920 | |
3db4f989 | 921 | spin_unlock_irq(&priv->driver_lock); |
15dbaac0 | 922 | |
d2e7b342 DD |
923 | lbs_update_mcast(priv); |
924 | if (!lbs_iface_active(priv)) | |
925 | lbs_stop_iface(priv); | |
15dbaac0 | 926 | |
3db4f989 DD |
927 | lbs_deb_leave(LBS_DEB_MESH); |
928 | return 0; | |
15dbaac0 JC |
929 | } |
930 | ||
931 | /** | |
3db4f989 DD |
932 | * lbs_mesh_dev_open - open the mshX interface |
933 | * | |
934 | * @dev: A pointer to &net_device structure | |
935 | * returns: 0 or -EBUSY if monitor mode active | |
15dbaac0 | 936 | */ |
3db4f989 | 937 | static int lbs_mesh_dev_open(struct net_device *dev) |
15dbaac0 | 938 | { |
3db4f989 DD |
939 | struct lbs_private *priv = dev->ml_priv; |
940 | int ret = 0; | |
15dbaac0 | 941 | |
3db4f989 | 942 | lbs_deb_enter(LBS_DEB_NET); |
d2e7b342 DD |
943 | if (!priv->iface_running) { |
944 | ret = lbs_start_iface(priv); | |
945 | if (ret) | |
946 | goto out; | |
947 | } | |
15dbaac0 | 948 | |
3db4f989 | 949 | spin_lock_irq(&priv->driver_lock); |
15dbaac0 | 950 | |
3db4f989 DD |
951 | if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) { |
952 | ret = -EBUSY; | |
d9319986 | 953 | spin_unlock_irq(&priv->driver_lock); |
3db4f989 DD |
954 | goto out; |
955 | } | |
956 | ||
3db4f989 DD |
957 | netif_carrier_on(dev); |
958 | ||
959 | if (!priv->tx_pending_len) | |
960 | netif_wake_queue(dev); | |
3db4f989 DD |
961 | |
962 | spin_unlock_irq(&priv->driver_lock); | |
d9319986 | 963 | |
49fee692 DD |
964 | ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, |
965 | lbs_mesh_get_channel(priv)); | |
d9319986 DD |
966 | |
967 | out: | |
3db4f989 DD |
968 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
969 | return ret; | |
15dbaac0 JC |
970 | } |
971 | ||
3db4f989 DD |
972 | static const struct net_device_ops mesh_netdev_ops = { |
973 | .ndo_open = lbs_mesh_dev_open, | |
974 | .ndo_stop = lbs_mesh_stop, | |
975 | .ndo_start_xmit = lbs_hard_start_xmit, | |
976 | .ndo_set_mac_address = lbs_set_mac_address, | |
afc4b13d | 977 | .ndo_set_rx_mode = lbs_set_multicast_list, |
3db4f989 DD |
978 | }; |
979 | ||
15dbaac0 | 980 | /** |
3db4f989 DD |
981 | * lbs_add_mesh - add mshX interface |
982 | * | |
983 | * @priv: A pointer to the &struct lbs_private structure | |
984 | * returns: 0 if successful, -X otherwise | |
15dbaac0 | 985 | */ |
3db4f989 | 986 | static int lbs_add_mesh(struct lbs_private *priv) |
15dbaac0 | 987 | { |
3db4f989 | 988 | struct net_device *mesh_dev = NULL; |
49fee692 | 989 | struct wireless_dev *mesh_wdev; |
3db4f989 | 990 | int ret = 0; |
15dbaac0 | 991 | |
3db4f989 | 992 | lbs_deb_enter(LBS_DEB_MESH); |
15dbaac0 | 993 | |
3db4f989 | 994 | /* Allocate a virtual mesh device */ |
49fee692 DD |
995 | mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
996 | if (!mesh_wdev) { | |
997 | lbs_deb_mesh("init mshX wireless device failed\n"); | |
998 | ret = -ENOMEM; | |
999 | goto done; | |
1000 | } | |
1001 | ||
c835a677 | 1002 | mesh_dev = alloc_netdev(0, "msh%d", NET_NAME_UNKNOWN, ether_setup); |
3db4f989 DD |
1003 | if (!mesh_dev) { |
1004 | lbs_deb_mesh("init mshX device failed\n"); | |
1005 | ret = -ENOMEM; | |
49fee692 | 1006 | goto err_free_wdev; |
3db4f989 | 1007 | } |
49fee692 DD |
1008 | |
1009 | mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT; | |
1010 | mesh_wdev->wiphy = priv->wdev->wiphy; | |
1011 | mesh_wdev->netdev = mesh_dev; | |
1012 | ||
3db4f989 | 1013 | mesh_dev->ml_priv = priv; |
49fee692 | 1014 | mesh_dev->ieee80211_ptr = mesh_wdev; |
3db4f989 | 1015 | priv->mesh_dev = mesh_dev; |
15dbaac0 | 1016 | |
3db4f989 DD |
1017 | mesh_dev->netdev_ops = &mesh_netdev_ops; |
1018 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
d32a96e2 | 1019 | eth_hw_addr_inherit(mesh_dev, priv->dev); |
15dbaac0 | 1020 | |
3db4f989 | 1021 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
15dbaac0 | 1022 | |
3db4f989 DD |
1023 | mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
1024 | /* Register virtual mesh interface */ | |
1025 | ret = register_netdev(mesh_dev); | |
1026 | if (ret) { | |
1027 | pr_err("cannot register mshX virtual interface\n"); | |
49fee692 | 1028 | goto err_free_netdev; |
3db4f989 DD |
1029 | } |
1030 | ||
1031 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
15dbaac0 | 1032 | if (ret) |
3db4f989 | 1033 | goto err_unregister; |
15dbaac0 | 1034 | |
3db4f989 | 1035 | lbs_persist_config_init(mesh_dev); |
15dbaac0 | 1036 | |
3db4f989 DD |
1037 | /* Everything successful */ |
1038 | ret = 0; | |
1039 | goto done; | |
15dbaac0 | 1040 | |
3db4f989 DD |
1041 | err_unregister: |
1042 | unregister_netdev(mesh_dev); | |
15dbaac0 | 1043 | |
49fee692 | 1044 | err_free_netdev: |
3db4f989 | 1045 | free_netdev(mesh_dev); |
15dbaac0 | 1046 | |
49fee692 DD |
1047 | err_free_wdev: |
1048 | kfree(mesh_wdev); | |
1049 | ||
3db4f989 DD |
1050 | done: |
1051 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1052 | return ret; | |
1053 | } | |
15dbaac0 | 1054 | |
3db4f989 DD |
1055 | void lbs_remove_mesh(struct lbs_private *priv) |
1056 | { | |
1057 | struct net_device *mesh_dev; | |
15dbaac0 | 1058 | |
3db4f989 DD |
1059 | mesh_dev = priv->mesh_dev; |
1060 | if (!mesh_dev) | |
1061 | return; | |
15dbaac0 | 1062 | |
3db4f989 DD |
1063 | lbs_deb_enter(LBS_DEB_MESH); |
1064 | netif_stop_queue(mesh_dev); | |
1065 | netif_carrier_off(mesh_dev); | |
1066 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
1067 | lbs_persist_config_remove(mesh_dev); | |
1068 | unregister_netdev(mesh_dev); | |
1069 | priv->mesh_dev = NULL; | |
49fee692 | 1070 | kfree(mesh_dev->ieee80211_ptr); |
3db4f989 DD |
1071 | free_netdev(mesh_dev); |
1072 | lbs_deb_leave(LBS_DEB_MESH); | |
15dbaac0 JC |
1073 | } |
1074 | ||
3db4f989 DD |
1075 | |
1076 | /*************************************************************************** | |
1077 | * Sending and receiving | |
1078 | */ | |
1079 | struct net_device *lbs_mesh_set_dev(struct lbs_private *priv, | |
1080 | struct net_device *dev, struct rxpd *rxpd) | |
15dbaac0 | 1081 | { |
3db4f989 DD |
1082 | if (priv->mesh_dev) { |
1083 | if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) { | |
1084 | if (rxpd->rx_control & RxPD_MESH_FRAME) | |
1085 | dev = priv->mesh_dev; | |
1086 | } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) { | |
1087 | if (rxpd->u.bss.bss_num == MESH_IFACE_ID) | |
1088 | dev = priv->mesh_dev; | |
1089 | } | |
1090 | } | |
1091 | return dev; | |
15dbaac0 | 1092 | } |
c7fe64cf HS |
1093 | |
1094 | ||
3db4f989 DD |
1095 | void lbs_mesh_set_txpd(struct lbs_private *priv, |
1096 | struct net_device *dev, struct txpd *txpd) | |
1097 | { | |
1098 | if (dev == priv->mesh_dev) { | |
1099 | if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) | |
1100 | txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME); | |
1101 | else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) | |
1102 | txpd->u.bss.bss_num = MESH_IFACE_ID; | |
1103 | } | |
1104 | } | |
1105 | ||
c7fe64cf HS |
1106 | |
1107 | /*************************************************************************** | |
1108 | * Ethtool related | |
1109 | */ | |
1110 | ||
3db4f989 | 1111 | static const char * const mesh_stat_strings[] = { |
c7fe64cf HS |
1112 | "drop_duplicate_bcast", |
1113 | "drop_ttl_zero", | |
1114 | "drop_no_fwd_route", | |
1115 | "drop_no_buffers", | |
1116 | "fwded_unicast_cnt", | |
1117 | "fwded_bcast_cnt", | |
1118 | "drop_blind_table", | |
1119 | "tx_failed_cnt" | |
1120 | }; | |
1121 | ||
1122 | void lbs_mesh_ethtool_get_stats(struct net_device *dev, | |
1123 | struct ethtool_stats *stats, uint64_t *data) | |
1124 | { | |
1125 | struct lbs_private *priv = dev->ml_priv; | |
1126 | struct cmd_ds_mesh_access mesh_access; | |
1127 | int ret; | |
1128 | ||
1129 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1130 | ||
1131 | /* Get Mesh Statistics */ | |
1132 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access); | |
1133 | ||
1134 | if (ret) { | |
1135 | memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t))); | |
1136 | return; | |
1137 | } | |
1138 | ||
1139 | priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]); | |
1140 | priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]); | |
1141 | priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]); | |
1142 | priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]); | |
1143 | priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]); | |
1144 | priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]); | |
1145 | priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]); | |
1146 | priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]); | |
1147 | ||
1148 | data[0] = priv->mstats.fwd_drop_rbt; | |
1149 | data[1] = priv->mstats.fwd_drop_ttl; | |
1150 | data[2] = priv->mstats.fwd_drop_noroute; | |
1151 | data[3] = priv->mstats.fwd_drop_nobuf; | |
1152 | data[4] = priv->mstats.fwd_unicast_cnt; | |
1153 | data[5] = priv->mstats.fwd_bcast_cnt; | |
1154 | data[6] = priv->mstats.drop_blind; | |
1155 | data[7] = priv->mstats.tx_failed_cnt; | |
1156 | ||
1157 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1158 | } | |
1159 | ||
1160 | int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset) | |
1161 | { | |
1162 | struct lbs_private *priv = dev->ml_priv; | |
1163 | ||
1164 | if (sset == ETH_SS_STATS && dev == priv->mesh_dev) | |
1165 | return MESH_STATS_NUM; | |
1166 | ||
1167 | return -EOPNOTSUPP; | |
1168 | } | |
1169 | ||
1170 | void lbs_mesh_ethtool_get_strings(struct net_device *dev, | |
1171 | uint32_t stringset, uint8_t *s) | |
1172 | { | |
1173 | int i; | |
1174 | ||
1175 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1176 | ||
1177 | switch (stringset) { | |
1178 | case ETH_SS_STATS: | |
1179 | for (i = 0; i < MESH_STATS_NUM; i++) { | |
1180 | memcpy(s + i * ETH_GSTRING_LEN, | |
1181 | mesh_stat_strings[i], | |
1182 | ETH_GSTRING_LEN); | |
1183 | } | |
1184 | break; | |
1185 | } | |
1186 | lbs_deb_enter(LBS_DEB_ETHTOOL); | |
1187 | } |