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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
0e4e06ae JP |
2 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
3 | ||
15dbaac0 JC |
4 | #include <linux/delay.h> |
5 | #include <linux/etherdevice.h> | |
a6b7a407 | 6 | #include <linux/hardirq.h> |
15dbaac0 | 7 | #include <linux/netdevice.h> |
1f044931 | 8 | #include <linux/if_ether.h> |
15dbaac0 JC |
9 | #include <linux/if_arp.h> |
10 | #include <linux/kthread.h> | |
11 | #include <linux/kfifo.h> | |
e86dc1ca | 12 | #include <net/cfg80211.h> |
15dbaac0 | 13 | |
e0e42da3 | 14 | #include "mesh.h" |
15dbaac0 | 15 | #include "decl.h" |
15dbaac0 JC |
16 | #include "cmd.h" |
17 | ||
e0e42da3 | 18 | |
3db4f989 DD |
19 | static int lbs_add_mesh(struct lbs_private *priv); |
20 | ||
21 | /*************************************************************************** | |
22 | * Mesh command handling | |
23 | */ | |
24 | ||
25 | static int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action, | |
26 | struct cmd_ds_mesh_access *cmd) | |
27 | { | |
28 | int ret; | |
29 | ||
3db4f989 DD |
30 | cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS); |
31 | cmd->hdr.size = cpu_to_le16(sizeof(*cmd)); | |
32 | cmd->hdr.result = 0; | |
33 | ||
34 | cmd->action = cpu_to_le16(cmd_action); | |
35 | ||
36 | ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd); | |
37 | ||
3db4f989 DD |
38 | return ret; |
39 | } | |
40 | ||
41 | static int __lbs_mesh_config_send(struct lbs_private *priv, | |
42 | struct cmd_ds_mesh_config *cmd, | |
43 | uint16_t action, uint16_t type) | |
44 | { | |
45 | int ret; | |
46 | u16 command = CMD_MESH_CONFIG_OLD; | |
47 | ||
3db4f989 DD |
48 | /* |
49 | * Command id is 0xac for v10 FW along with mesh interface | |
50 | * id in bits 14-13-12. | |
51 | */ | |
52 | if (priv->mesh_tlv == TLV_TYPE_MESH_ID) | |
53 | command = CMD_MESH_CONFIG | | |
54 | (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET); | |
55 | ||
56 | cmd->hdr.command = cpu_to_le16(command); | |
57 | cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config)); | |
58 | cmd->hdr.result = 0; | |
59 | ||
60 | cmd->type = cpu_to_le16(type); | |
61 | cmd->action = cpu_to_le16(action); | |
62 | ||
63 | ret = lbs_cmd_with_response(priv, command, cmd); | |
64 | ||
3db4f989 DD |
65 | return ret; |
66 | } | |
67 | ||
68 | static int lbs_mesh_config_send(struct lbs_private *priv, | |
69 | struct cmd_ds_mesh_config *cmd, | |
70 | uint16_t action, uint16_t type) | |
71 | { | |
72 | int ret; | |
73 | ||
74 | if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG)) | |
75 | return -EOPNOTSUPP; | |
76 | ||
77 | ret = __lbs_mesh_config_send(priv, cmd, action, type); | |
78 | return ret; | |
79 | } | |
80 | ||
81 | /* This function is the CMD_MESH_CONFIG legacy function. It only handles the | |
82 | * START and STOP actions. The extended actions supported by CMD_MESH_CONFIG | |
83 | * are all handled by preparing a struct cmd_ds_mesh_config and passing it to | |
84 | * lbs_mesh_config_send. | |
85 | */ | |
86 | static int lbs_mesh_config(struct lbs_private *priv, uint16_t action, | |
87 | uint16_t chan) | |
88 | { | |
89 | struct cmd_ds_mesh_config cmd; | |
90 | struct mrvl_meshie *ie; | |
3db4f989 DD |
91 | |
92 | memset(&cmd, 0, sizeof(cmd)); | |
93 | cmd.channel = cpu_to_le16(chan); | |
94 | ie = (struct mrvl_meshie *)cmd.data; | |
95 | ||
96 | switch (action) { | |
97 | case CMD_ACT_MESH_CONFIG_START: | |
04b2312a | 98 | ie->id = WLAN_EID_VENDOR_SPECIFIC; |
3db4f989 DD |
99 | ie->val.oui[0] = 0x00; |
100 | ie->val.oui[1] = 0x50; | |
101 | ie->val.oui[2] = 0x43; | |
102 | ie->val.type = MARVELL_MESH_IE_TYPE; | |
103 | ie->val.subtype = MARVELL_MESH_IE_SUBTYPE; | |
104 | ie->val.version = MARVELL_MESH_IE_VERSION; | |
105 | ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP; | |
106 | ie->val.active_metric_id = MARVELL_MESH_METRIC_ID; | |
107 | ie->val.mesh_capability = MARVELL_MESH_CAPABILITY; | |
108 | ie->val.mesh_id_len = priv->mesh_ssid_len; | |
109 | memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len); | |
110 | ie->len = sizeof(struct mrvl_meshie_val) - | |
111 | IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len; | |
112 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val)); | |
113 | break; | |
114 | case CMD_ACT_MESH_CONFIG_STOP: | |
115 | break; | |
116 | default: | |
117 | return -1; | |
118 | } | |
da169607 AS |
119 | lbs_deb_cmd("mesh config action %d type %x channel %d SSID %*pE\n", |
120 | action, priv->mesh_tlv, chan, priv->mesh_ssid_len, | |
121 | priv->mesh_ssid); | |
3db4f989 DD |
122 | |
123 | return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv); | |
124 | } | |
125 | ||
49fee692 DD |
126 | int lbs_mesh_set_channel(struct lbs_private *priv, u8 channel) |
127 | { | |
e8c9bd5b | 128 | priv->mesh_channel = channel; |
49fee692 DD |
129 | return lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, channel); |
130 | } | |
131 | ||
132 | static uint16_t lbs_mesh_get_channel(struct lbs_private *priv) | |
133 | { | |
e8c9bd5b | 134 | return priv->mesh_channel ?: 1; |
49fee692 | 135 | } |
3db4f989 | 136 | |
e0e42da3 HS |
137 | /*************************************************************************** |
138 | * Mesh sysfs support | |
139 | */ | |
140 | ||
8973a6e7 | 141 | /* |
e0e42da3 HS |
142 | * Attributes exported through sysfs |
143 | */ | |
144 | ||
145 | /** | |
8973a6e7 RD |
146 | * lbs_anycast_get - Get function for sysfs attribute anycast_mask |
147 | * @dev: the &struct device | |
148 | * @attr: device attributes | |
149 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
150 | */ |
151 | static ssize_t lbs_anycast_get(struct device *dev, | |
152 | struct device_attribute *attr, char * buf) | |
153 | { | |
154 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
155 | struct cmd_ds_mesh_access mesh_access; | |
156 | int ret; | |
157 | ||
158 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
159 | ||
160 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
161 | if (ret) | |
162 | return ret; | |
163 | ||
164 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); | |
165 | } | |
166 | ||
167 | /** | |
8973a6e7 RD |
168 | * lbs_anycast_set - Set function for sysfs attribute anycast_mask |
169 | * @dev: the &struct device | |
170 | * @attr: device attributes | |
171 | * @buf: buffer that contains new attribute value | |
172 | * @count: size of buffer | |
e0e42da3 HS |
173 | */ |
174 | static ssize_t lbs_anycast_set(struct device *dev, | |
175 | struct device_attribute *attr, const char * buf, size_t count) | |
176 | { | |
177 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
178 | struct cmd_ds_mesh_access mesh_access; | |
179 | uint32_t datum; | |
180 | int ret; | |
181 | ||
182 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
183 | sscanf(buf, "%x", &datum); | |
184 | mesh_access.data[0] = cpu_to_le32(datum); | |
185 | ||
186 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); | |
187 | if (ret) | |
188 | return ret; | |
189 | ||
190 | return strlen(buf); | |
191 | } | |
192 | ||
193 | /** | |
8973a6e7 RD |
194 | * lbs_prb_rsp_limit_get - Get function for sysfs attribute prb_rsp_limit |
195 | * @dev: the &struct device | |
196 | * @attr: device attributes | |
197 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
198 | */ |
199 | static ssize_t lbs_prb_rsp_limit_get(struct device *dev, | |
200 | struct device_attribute *attr, char *buf) | |
201 | { | |
202 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
203 | struct cmd_ds_mesh_access mesh_access; | |
204 | int ret; | |
205 | u32 retry_limit; | |
206 | ||
207 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
208 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET); | |
209 | ||
210 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | |
211 | &mesh_access); | |
212 | if (ret) | |
213 | return ret; | |
214 | ||
215 | retry_limit = le32_to_cpu(mesh_access.data[1]); | |
216 | return snprintf(buf, 10, "%d\n", retry_limit); | |
217 | } | |
218 | ||
219 | /** | |
8973a6e7 RD |
220 | * lbs_prb_rsp_limit_set - Set function for sysfs attribute prb_rsp_limit |
221 | * @dev: the &struct device | |
222 | * @attr: device attributes | |
223 | * @buf: buffer that contains new attribute value | |
224 | * @count: size of buffer | |
e0e42da3 HS |
225 | */ |
226 | static ssize_t lbs_prb_rsp_limit_set(struct device *dev, | |
227 | struct device_attribute *attr, const char *buf, size_t count) | |
228 | { | |
229 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
230 | struct cmd_ds_mesh_access mesh_access; | |
231 | int ret; | |
232 | unsigned long retry_limit; | |
233 | ||
234 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
235 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET); | |
236 | ||
69551f5f DC |
237 | ret = kstrtoul(buf, 10, &retry_limit); |
238 | if (ret) | |
239 | return ret; | |
e0e42da3 HS |
240 | if (retry_limit > 15) |
241 | return -ENOTSUPP; | |
242 | ||
243 | mesh_access.data[1] = cpu_to_le32(retry_limit); | |
244 | ||
245 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | |
246 | &mesh_access); | |
247 | if (ret) | |
248 | return ret; | |
249 | ||
250 | return strlen(buf); | |
251 | } | |
252 | ||
253 | /** | |
8973a6e7 RD |
254 | * lbs_mesh_get - Get function for sysfs attribute mesh |
255 | * @dev: the &struct device | |
256 | * @attr: device attributes | |
257 | * @buf: buffer where data will be returned | |
e0e42da3 HS |
258 | */ |
259 | static ssize_t lbs_mesh_get(struct device *dev, | |
260 | struct device_attribute *attr, char * buf) | |
261 | { | |
262 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
263 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
264 | } | |
265 | ||
266 | /** | |
8973a6e7 RD |
267 | * lbs_mesh_set - Set function for sysfs attribute mesh |
268 | * @dev: the &struct device | |
269 | * @attr: device attributes | |
270 | * @buf: buffer that contains new attribute value | |
271 | * @count: size of buffer | |
e0e42da3 HS |
272 | */ |
273 | static ssize_t lbs_mesh_set(struct device *dev, | |
274 | struct device_attribute *attr, const char * buf, size_t count) | |
275 | { | |
276 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
277 | int enable; | |
e0e42da3 HS |
278 | |
279 | sscanf(buf, "%x", &enable); | |
280 | enable = !!enable; | |
281 | if (enable == !!priv->mesh_dev) | |
282 | return count; | |
e0e42da3 HS |
283 | |
284 | if (enable) | |
285 | lbs_add_mesh(priv); | |
286 | else | |
287 | lbs_remove_mesh(priv); | |
288 | ||
289 | return count; | |
290 | } | |
291 | ||
8973a6e7 | 292 | /* |
e0e42da3 HS |
293 | * lbs_mesh attribute to be exported per ethX interface |
294 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
295 | */ | |
296 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
297 | ||
8973a6e7 | 298 | /* |
e0e42da3 HS |
299 | * anycast_mask attribute to be exported per mshX interface |
300 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
301 | */ | |
302 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); | |
303 | ||
8973a6e7 | 304 | /* |
e0e42da3 HS |
305 | * prb_rsp_limit attribute to be exported per mshX interface |
306 | * through sysfs (/sys/class/net/mshX/prb_rsp_limit) | |
307 | */ | |
308 | static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get, | |
309 | lbs_prb_rsp_limit_set); | |
310 | ||
311 | static struct attribute *lbs_mesh_sysfs_entries[] = { | |
312 | &dev_attr_anycast_mask.attr, | |
313 | &dev_attr_prb_rsp_limit.attr, | |
314 | NULL, | |
315 | }; | |
316 | ||
3db4f989 | 317 | static const struct attribute_group lbs_mesh_attr_group = { |
e0e42da3 HS |
318 | .attrs = lbs_mesh_sysfs_entries, |
319 | }; | |
320 | ||
321 | ||
e0e42da3 | 322 | /*************************************************************************** |
3db4f989 | 323 | * Persistent configuration support |
e0e42da3 HS |
324 | */ |
325 | ||
3db4f989 DD |
326 | static int mesh_get_default_parameters(struct device *dev, |
327 | struct mrvl_mesh_defaults *defs) | |
e0e42da3 | 328 | { |
3db4f989 DD |
329 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
330 | struct cmd_ds_mesh_config cmd; | |
331 | int ret; | |
e0e42da3 | 332 | |
3db4f989 DD |
333 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); |
334 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET, | |
335 | CMD_TYPE_MESH_GET_DEFAULTS); | |
e0e42da3 | 336 | |
3db4f989 DD |
337 | if (ret) |
338 | return -EOPNOTSUPP; | |
c24ef46e | 339 | |
3db4f989 | 340 | memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults)); |
c24ef46e | 341 | |
3db4f989 DD |
342 | return 0; |
343 | } | |
e4da1a81 | 344 | |
3db4f989 DD |
345 | /** |
346 | * bootflag_get - Get function for sysfs attribute bootflag | |
347 | * @dev: the &struct device | |
348 | * @attr: device attributes | |
349 | * @buf: buffer where data will be returned | |
350 | */ | |
351 | static ssize_t bootflag_get(struct device *dev, | |
352 | struct device_attribute *attr, char *buf) | |
353 | { | |
354 | struct mrvl_mesh_defaults defs; | |
355 | int ret; | |
e0e42da3 | 356 | |
3db4f989 | 357 | ret = mesh_get_default_parameters(dev, &defs); |
e0e42da3 | 358 | |
3db4f989 DD |
359 | if (ret) |
360 | return ret; | |
e0e42da3 | 361 | |
3db4f989 | 362 | return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag)); |
e0e42da3 HS |
363 | } |
364 | ||
3db4f989 DD |
365 | /** |
366 | * bootflag_set - Set function for sysfs attribute bootflag | |
367 | * @dev: the &struct device | |
368 | * @attr: device attributes | |
369 | * @buf: buffer that contains new attribute value | |
370 | * @count: size of buffer | |
371 | */ | |
372 | static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr, | |
373 | const char *buf, size_t count) | |
e0e42da3 | 374 | { |
3db4f989 DD |
375 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
376 | struct cmd_ds_mesh_config cmd; | |
377 | uint32_t datum; | |
378 | int ret; | |
e0e42da3 | 379 | |
3db4f989 DD |
380 | memset(&cmd, 0, sizeof(cmd)); |
381 | ret = sscanf(buf, "%d", &datum); | |
382 | if ((ret != 1) || (datum > 1)) | |
383 | return -EINVAL; | |
e0e42da3 | 384 | |
3db4f989 DD |
385 | *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum); |
386 | cmd.length = cpu_to_le16(sizeof(uint32_t)); | |
387 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
388 | CMD_TYPE_MESH_SET_BOOTFLAG); | |
389 | if (ret) | |
390 | return ret; | |
e0e42da3 | 391 | |
3db4f989 | 392 | return strlen(buf); |
e0e42da3 HS |
393 | } |
394 | ||
e0e42da3 | 395 | /** |
3db4f989 DD |
396 | * boottime_get - Get function for sysfs attribute boottime |
397 | * @dev: the &struct device | |
398 | * @attr: device attributes | |
399 | * @buf: buffer where data will be returned | |
e0e42da3 | 400 | */ |
3db4f989 DD |
401 | static ssize_t boottime_get(struct device *dev, |
402 | struct device_attribute *attr, char *buf) | |
e0e42da3 | 403 | { |
3db4f989 DD |
404 | struct mrvl_mesh_defaults defs; |
405 | int ret; | |
e0e42da3 | 406 | |
3db4f989 | 407 | ret = mesh_get_default_parameters(dev, &defs); |
e0e42da3 | 408 | |
3db4f989 DD |
409 | if (ret) |
410 | return ret; | |
15dbaac0 | 411 | |
fb904907 | 412 | return snprintf(buf, 12, "%d\n", defs.boottime); |
15dbaac0 JC |
413 | } |
414 | ||
415 | /** | |
8973a6e7 RD |
416 | * boottime_set - Set function for sysfs attribute boottime |
417 | * @dev: the &struct device | |
418 | * @attr: device attributes | |
419 | * @buf: buffer that contains new attribute value | |
420 | * @count: size of buffer | |
15dbaac0 JC |
421 | */ |
422 | static ssize_t boottime_set(struct device *dev, | |
423 | struct device_attribute *attr, const char *buf, size_t count) | |
424 | { | |
ab65f649 | 425 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
426 | struct cmd_ds_mesh_config cmd; |
427 | uint32_t datum; | |
428 | int ret; | |
429 | ||
430 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
431 | ret = sscanf(buf, "%d", &datum); |
432 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
433 | return -EINVAL; |
434 | ||
435 | /* A too small boot time will result in the device booting into | |
436 | * standalone (no-host) mode before the host can take control of it, | |
437 | * so the change will be hard to revert. This may be a desired | |
438 | * feature (e.g to configure a very fast boot time for devices that | |
439 | * will not be attached to a host), but dangerous. So I'm enforcing a | |
440 | * lower limit of 20 seconds: remove and recompile the driver if this | |
441 | * does not work for you. | |
442 | */ | |
443 | datum = (datum < 20) ? 20 : datum; | |
444 | cmd.data[0] = datum; | |
445 | cmd.length = cpu_to_le16(sizeof(uint8_t)); | |
446 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
447 | CMD_TYPE_MESH_SET_BOOTTIME); | |
448 | if (ret) | |
449 | return ret; | |
450 | ||
451 | return strlen(buf); | |
452 | } | |
453 | ||
b679aeb3 | 454 | /** |
8973a6e7 RD |
455 | * channel_get - Get function for sysfs attribute channel |
456 | * @dev: the &struct device | |
457 | * @attr: device attributes | |
458 | * @buf: buffer where data will be returned | |
b679aeb3 JC |
459 | */ |
460 | static ssize_t channel_get(struct device *dev, | |
461 | struct device_attribute *attr, char *buf) | |
462 | { | |
463 | struct mrvl_mesh_defaults defs; | |
464 | int ret; | |
465 | ||
466 | ret = mesh_get_default_parameters(dev, &defs); | |
467 | ||
468 | if (ret) | |
469 | return ret; | |
470 | ||
fb904907 | 471 | return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel)); |
b679aeb3 JC |
472 | } |
473 | ||
474 | /** | |
8973a6e7 RD |
475 | * channel_set - Set function for sysfs attribute channel |
476 | * @dev: the &struct device | |
477 | * @attr: device attributes | |
478 | * @buf: buffer that contains new attribute value | |
479 | * @count: size of buffer | |
b679aeb3 JC |
480 | */ |
481 | static ssize_t channel_set(struct device *dev, struct device_attribute *attr, | |
482 | const char *buf, size_t count) | |
483 | { | |
ab65f649 | 484 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
b679aeb3 | 485 | struct cmd_ds_mesh_config cmd; |
fb904907 | 486 | uint32_t datum; |
b679aeb3 JC |
487 | int ret; |
488 | ||
489 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 | 490 | ret = sscanf(buf, "%d", &datum); |
b679aeb3 JC |
491 | if (ret != 1 || datum < 1 || datum > 11) |
492 | return -EINVAL; | |
493 | ||
494 | *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum); | |
495 | cmd.length = cpu_to_le16(sizeof(uint16_t)); | |
496 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
497 | CMD_TYPE_MESH_SET_DEF_CHANNEL); | |
498 | if (ret) | |
499 | return ret; | |
500 | ||
501 | return strlen(buf); | |
502 | } | |
503 | ||
15dbaac0 | 504 | /** |
8973a6e7 RD |
505 | * mesh_id_get - Get function for sysfs attribute mesh_id |
506 | * @dev: the &struct device | |
507 | * @attr: device attributes | |
508 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
509 | */ |
510 | static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr, | |
511 | char *buf) | |
512 | { | |
513 | struct mrvl_mesh_defaults defs; | |
15dbaac0 JC |
514 | int ret; |
515 | ||
516 | ret = mesh_get_default_parameters(dev, &defs); | |
517 | ||
518 | if (ret) | |
519 | return ret; | |
520 | ||
243e84e9 | 521 | if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) { |
f3a57fd1 | 522 | dev_err(dev, "inconsistent mesh ID length\n"); |
243e84e9 | 523 | defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN; |
15dbaac0 JC |
524 | } |
525 | ||
d89dba7a DC |
526 | memcpy(buf, defs.meshie.val.mesh_id, defs.meshie.val.mesh_id_len); |
527 | buf[defs.meshie.val.mesh_id_len] = '\n'; | |
528 | buf[defs.meshie.val.mesh_id_len + 1] = '\0'; | |
15dbaac0 | 529 | |
d89dba7a | 530 | return defs.meshie.val.mesh_id_len + 1; |
15dbaac0 JC |
531 | } |
532 | ||
533 | /** | |
8973a6e7 RD |
534 | * mesh_id_set - Set function for sysfs attribute mesh_id |
535 | * @dev: the &struct device | |
536 | * @attr: device attributes | |
537 | * @buf: buffer that contains new attribute value | |
538 | * @count: size of buffer | |
15dbaac0 JC |
539 | */ |
540 | static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr, | |
541 | const char *buf, size_t count) | |
542 | { | |
543 | struct cmd_ds_mesh_config cmd; | |
544 | struct mrvl_mesh_defaults defs; | |
545 | struct mrvl_meshie *ie; | |
ab65f649 | 546 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
547 | int len; |
548 | int ret; | |
549 | ||
243e84e9 | 550 | if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1) |
15dbaac0 JC |
551 | return -EINVAL; |
552 | ||
553 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); | |
554 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
555 | ||
556 | /* fetch all other Information Element parameters */ | |
557 | ret = mesh_get_default_parameters(dev, &defs); | |
558 | ||
559 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
560 | ||
561 | /* transfer IE elements */ | |
562 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
563 | ||
564 | len = count - 1; | |
565 | memcpy(ie->val.mesh_id, buf, len); | |
566 | /* SSID len */ | |
567 | ie->val.mesh_id_len = len; | |
568 | /* IE len */ | |
243e84e9 | 569 | ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len; |
15dbaac0 JC |
570 | |
571 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
572 | CMD_TYPE_MESH_SET_MESH_IE); | |
573 | if (ret) | |
574 | return ret; | |
575 | ||
576 | return strlen(buf); | |
577 | } | |
578 | ||
579 | /** | |
8973a6e7 RD |
580 | * protocol_id_get - Get function for sysfs attribute protocol_id |
581 | * @dev: the &struct device | |
582 | * @attr: device attributes | |
583 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
584 | */ |
585 | static ssize_t protocol_id_get(struct device *dev, | |
586 | struct device_attribute *attr, char *buf) | |
587 | { | |
588 | struct mrvl_mesh_defaults defs; | |
589 | int ret; | |
590 | ||
591 | ret = mesh_get_default_parameters(dev, &defs); | |
592 | ||
593 | if (ret) | |
594 | return ret; | |
595 | ||
596 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id); | |
597 | } | |
598 | ||
599 | /** | |
8973a6e7 RD |
600 | * protocol_id_set - Set function for sysfs attribute protocol_id |
601 | * @dev: the &struct device | |
602 | * @attr: device attributes | |
603 | * @buf: buffer that contains new attribute value | |
604 | * @count: size of buffer | |
15dbaac0 JC |
605 | */ |
606 | static ssize_t protocol_id_set(struct device *dev, | |
607 | struct device_attribute *attr, const char *buf, size_t count) | |
608 | { | |
609 | struct cmd_ds_mesh_config cmd; | |
610 | struct mrvl_mesh_defaults defs; | |
611 | struct mrvl_meshie *ie; | |
ab65f649 | 612 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
613 | uint32_t datum; |
614 | int ret; | |
615 | ||
616 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
617 | ret = sscanf(buf, "%d", &datum); |
618 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
619 | return -EINVAL; |
620 | ||
621 | /* fetch all other Information Element parameters */ | |
622 | ret = mesh_get_default_parameters(dev, &defs); | |
623 | ||
624 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
625 | ||
626 | /* transfer IE elements */ | |
627 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
628 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
629 | /* update protocol id */ | |
630 | ie->val.active_protocol_id = datum; | |
631 | ||
632 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
633 | CMD_TYPE_MESH_SET_MESH_IE); | |
634 | if (ret) | |
635 | return ret; | |
636 | ||
637 | return strlen(buf); | |
638 | } | |
639 | ||
640 | /** | |
8973a6e7 RD |
641 | * metric_id_get - Get function for sysfs attribute metric_id |
642 | * @dev: the &struct device | |
643 | * @attr: device attributes | |
644 | * @buf: buffer where data will be returned | |
15dbaac0 JC |
645 | */ |
646 | static ssize_t metric_id_get(struct device *dev, | |
647 | struct device_attribute *attr, char *buf) | |
648 | { | |
3db4f989 DD |
649 | struct mrvl_mesh_defaults defs; |
650 | int ret; | |
651 | ||
652 | ret = mesh_get_default_parameters(dev, &defs); | |
653 | ||
654 | if (ret) | |
655 | return ret; | |
656 | ||
657 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id); | |
658 | } | |
659 | ||
660 | /** | |
661 | * metric_id_set - Set function for sysfs attribute metric_id | |
662 | * @dev: the &struct device | |
663 | * @attr: device attributes | |
664 | * @buf: buffer that contains new attribute value | |
665 | * @count: size of buffer | |
666 | */ | |
667 | static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr, | |
668 | const char *buf, size_t count) | |
669 | { | |
670 | struct cmd_ds_mesh_config cmd; | |
671 | struct mrvl_mesh_defaults defs; | |
672 | struct mrvl_meshie *ie; | |
673 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
674 | uint32_t datum; | |
675 | int ret; | |
676 | ||
677 | memset(&cmd, 0, sizeof(cmd)); | |
678 | ret = sscanf(buf, "%d", &datum); | |
679 | if ((ret != 1) || (datum > 255)) | |
680 | return -EINVAL; | |
681 | ||
682 | /* fetch all other Information Element parameters */ | |
683 | ret = mesh_get_default_parameters(dev, &defs); | |
684 | ||
685 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
686 | ||
687 | /* transfer IE elements */ | |
688 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
689 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
690 | /* update metric id */ | |
691 | ie->val.active_metric_id = datum; | |
692 | ||
693 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
694 | CMD_TYPE_MESH_SET_MESH_IE); | |
695 | if (ret) | |
696 | return ret; | |
697 | ||
698 | return strlen(buf); | |
699 | } | |
700 | ||
701 | /** | |
702 | * capability_get - Get function for sysfs attribute capability | |
703 | * @dev: the &struct device | |
704 | * @attr: device attributes | |
705 | * @buf: buffer where data will be returned | |
706 | */ | |
707 | static ssize_t capability_get(struct device *dev, | |
708 | struct device_attribute *attr, char *buf) | |
709 | { | |
710 | struct mrvl_mesh_defaults defs; | |
711 | int ret; | |
712 | ||
713 | ret = mesh_get_default_parameters(dev, &defs); | |
714 | ||
715 | if (ret) | |
716 | return ret; | |
717 | ||
718 | return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability); | |
719 | } | |
720 | ||
721 | /** | |
722 | * capability_set - Set function for sysfs attribute capability | |
723 | * @dev: the &struct device | |
724 | * @attr: device attributes | |
725 | * @buf: buffer that contains new attribute value | |
726 | * @count: size of buffer | |
727 | */ | |
728 | static ssize_t capability_set(struct device *dev, struct device_attribute *attr, | |
729 | const char *buf, size_t count) | |
730 | { | |
731 | struct cmd_ds_mesh_config cmd; | |
732 | struct mrvl_mesh_defaults defs; | |
733 | struct mrvl_meshie *ie; | |
734 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
735 | uint32_t datum; | |
736 | int ret; | |
737 | ||
738 | memset(&cmd, 0, sizeof(cmd)); | |
739 | ret = sscanf(buf, "%d", &datum); | |
740 | if ((ret != 1) || (datum > 255)) | |
741 | return -EINVAL; | |
742 | ||
743 | /* fetch all other Information Element parameters */ | |
744 | ret = mesh_get_default_parameters(dev, &defs); | |
745 | ||
746 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
747 | ||
748 | /* transfer IE elements */ | |
749 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
750 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
751 | /* update value */ | |
752 | ie->val.mesh_capability = datum; | |
753 | ||
754 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
755 | CMD_TYPE_MESH_SET_MESH_IE); | |
756 | if (ret) | |
757 | return ret; | |
758 | ||
759 | return strlen(buf); | |
760 | } | |
761 | ||
762 | ||
763 | static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set); | |
764 | static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set); | |
765 | static DEVICE_ATTR(channel, 0644, channel_get, channel_set); | |
766 | static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set); | |
767 | static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set); | |
768 | static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set); | |
769 | static DEVICE_ATTR(capability, 0644, capability_get, capability_set); | |
770 | ||
771 | static struct attribute *boot_opts_attrs[] = { | |
772 | &dev_attr_bootflag.attr, | |
773 | &dev_attr_boottime.attr, | |
774 | &dev_attr_channel.attr, | |
775 | NULL | |
776 | }; | |
777 | ||
778 | static const struct attribute_group boot_opts_group = { | |
779 | .name = "boot_options", | |
780 | .attrs = boot_opts_attrs, | |
781 | }; | |
782 | ||
783 | static struct attribute *mesh_ie_attrs[] = { | |
784 | &dev_attr_mesh_id.attr, | |
785 | &dev_attr_protocol_id.attr, | |
786 | &dev_attr_metric_id.attr, | |
787 | &dev_attr_capability.attr, | |
788 | NULL | |
789 | }; | |
790 | ||
791 | static const struct attribute_group mesh_ie_group = { | |
792 | .name = "mesh_ie", | |
793 | .attrs = mesh_ie_attrs, | |
794 | }; | |
795 | ||
796 | static void lbs_persist_config_init(struct net_device *dev) | |
797 | { | |
798 | int ret; | |
799 | ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group); | |
800 | ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group); | |
801 | } | |
802 | ||
803 | static void lbs_persist_config_remove(struct net_device *dev) | |
804 | { | |
805 | sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group); | |
806 | sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group); | |
807 | } | |
808 | ||
809 | ||
810 | /*************************************************************************** | |
811 | * Initializing and starting, stopping mesh | |
812 | */ | |
813 | ||
814 | /* | |
815 | * Check mesh FW version and appropriately send the mesh start | |
816 | * command | |
817 | */ | |
818 | int lbs_init_mesh(struct lbs_private *priv) | |
819 | { | |
3db4f989 DD |
820 | int ret = 0; |
821 | ||
3db4f989 DD |
822 | /* Determine mesh_fw_ver from fwrelease and fwcapinfo */ |
823 | /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */ | |
824 | /* 5.110.22 have mesh command with 0xa3 command id */ | |
825 | /* 10.0.0.p0 FW brings in mesh config command with different id */ | |
826 | /* Check FW version MSB and initialize mesh_fw_ver */ | |
827 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) { | |
828 | /* Enable mesh, if supported, and work out which TLV it uses. | |
829 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
830 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
831 | but we check them in that order because 20.pXX doesn't | |
832 | give an error -- it just silently fails. */ | |
833 | ||
834 | /* 5.110.20.pXX firmware will fail the command if the channel | |
835 | doesn't match the existing channel. But only if the TLV | |
836 | is correct. If the channel is wrong, _BOTH_ versions will | |
837 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
838 | It's just that 5.110.20.pXX will not have done anything | |
839 | useful */ | |
840 | ||
841 | priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID; | |
49fee692 | 842 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) { |
3db4f989 | 843 | priv->mesh_tlv = TLV_TYPE_MESH_ID; |
49fee692 | 844 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, 1)) |
3db4f989 DD |
845 | priv->mesh_tlv = 0; |
846 | } | |
847 | } else | |
848 | if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && | |
849 | (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) { | |
850 | /* 10.0.0.pXX new firmwares should succeed with TLV | |
851 | * 0x100+37; Do not invoke command with old TLV. | |
852 | */ | |
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 | ||
d9319986 | 858 | /* Stop meshing until interface is brought up */ |
49fee692 | 859 | lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1); |
3db4f989 DD |
860 | |
861 | if (priv->mesh_tlv) { | |
862 | sprintf(priv->mesh_ssid, "mesh"); | |
863 | priv->mesh_ssid_len = 4; | |
3db4f989 DD |
864 | ret = 1; |
865 | } | |
866 | ||
3db4f989 DD |
867 | return ret; |
868 | } | |
869 | ||
49fee692 DD |
870 | void lbs_start_mesh(struct lbs_private *priv) |
871 | { | |
872 | lbs_add_mesh(priv); | |
873 | ||
874 | if (device_create_file(&priv->dev->dev, &dev_attr_lbs_mesh)) | |
875 | netdev_err(priv->dev, "cannot register lbs_mesh attribute\n"); | |
876 | } | |
3db4f989 DD |
877 | |
878 | int lbs_deinit_mesh(struct lbs_private *priv) | |
879 | { | |
880 | struct net_device *dev = priv->dev; | |
881 | int ret = 0; | |
15dbaac0 | 882 | |
3db4f989 DD |
883 | if (priv->mesh_tlv) { |
884 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
885 | ret = 1; | |
886 | } | |
15dbaac0 | 887 | |
3db4f989 | 888 | return ret; |
15dbaac0 JC |
889 | } |
890 | ||
3db4f989 | 891 | |
15dbaac0 | 892 | /** |
3db4f989 DD |
893 | * lbs_mesh_stop - close the mshX interface |
894 | * | |
895 | * @dev: A pointer to &net_device structure | |
896 | * returns: 0 | |
15dbaac0 | 897 | */ |
3db4f989 | 898 | static int lbs_mesh_stop(struct net_device *dev) |
15dbaac0 | 899 | { |
3db4f989 | 900 | struct lbs_private *priv = dev->ml_priv; |
15dbaac0 | 901 | |
49fee692 DD |
902 | lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, |
903 | lbs_mesh_get_channel(priv)); | |
15dbaac0 | 904 | |
d9319986 | 905 | spin_lock_irq(&priv->driver_lock); |
15dbaac0 | 906 | |
3db4f989 DD |
907 | netif_stop_queue(dev); |
908 | netif_carrier_off(dev); | |
15dbaac0 | 909 | |
3db4f989 | 910 | spin_unlock_irq(&priv->driver_lock); |
15dbaac0 | 911 | |
d2e7b342 DD |
912 | lbs_update_mcast(priv); |
913 | if (!lbs_iface_active(priv)) | |
914 | lbs_stop_iface(priv); | |
15dbaac0 | 915 | |
3db4f989 | 916 | return 0; |
15dbaac0 JC |
917 | } |
918 | ||
919 | /** | |
3db4f989 DD |
920 | * lbs_mesh_dev_open - open the mshX interface |
921 | * | |
922 | * @dev: A pointer to &net_device structure | |
923 | * returns: 0 or -EBUSY if monitor mode active | |
15dbaac0 | 924 | */ |
3db4f989 | 925 | static int lbs_mesh_dev_open(struct net_device *dev) |
15dbaac0 | 926 | { |
3db4f989 DD |
927 | struct lbs_private *priv = dev->ml_priv; |
928 | int ret = 0; | |
15dbaac0 | 929 | |
d2e7b342 DD |
930 | if (!priv->iface_running) { |
931 | ret = lbs_start_iface(priv); | |
932 | if (ret) | |
933 | goto out; | |
934 | } | |
15dbaac0 | 935 | |
3db4f989 | 936 | spin_lock_irq(&priv->driver_lock); |
15dbaac0 | 937 | |
3db4f989 DD |
938 | if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) { |
939 | ret = -EBUSY; | |
d9319986 | 940 | spin_unlock_irq(&priv->driver_lock); |
3db4f989 DD |
941 | goto out; |
942 | } | |
943 | ||
3db4f989 DD |
944 | netif_carrier_on(dev); |
945 | ||
946 | if (!priv->tx_pending_len) | |
947 | netif_wake_queue(dev); | |
3db4f989 DD |
948 | |
949 | spin_unlock_irq(&priv->driver_lock); | |
d9319986 | 950 | |
49fee692 DD |
951 | ret = lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, |
952 | lbs_mesh_get_channel(priv)); | |
d9319986 DD |
953 | |
954 | out: | |
3db4f989 | 955 | return ret; |
15dbaac0 JC |
956 | } |
957 | ||
3db4f989 DD |
958 | static const struct net_device_ops mesh_netdev_ops = { |
959 | .ndo_open = lbs_mesh_dev_open, | |
960 | .ndo_stop = lbs_mesh_stop, | |
961 | .ndo_start_xmit = lbs_hard_start_xmit, | |
962 | .ndo_set_mac_address = lbs_set_mac_address, | |
afc4b13d | 963 | .ndo_set_rx_mode = lbs_set_multicast_list, |
3db4f989 DD |
964 | }; |
965 | ||
15dbaac0 | 966 | /** |
3db4f989 DD |
967 | * lbs_add_mesh - add mshX interface |
968 | * | |
969 | * @priv: A pointer to the &struct lbs_private structure | |
970 | * returns: 0 if successful, -X otherwise | |
15dbaac0 | 971 | */ |
3db4f989 | 972 | static int lbs_add_mesh(struct lbs_private *priv) |
15dbaac0 | 973 | { |
3db4f989 | 974 | struct net_device *mesh_dev = NULL; |
49fee692 | 975 | struct wireless_dev *mesh_wdev; |
3db4f989 | 976 | int ret = 0; |
15dbaac0 | 977 | |
3db4f989 | 978 | /* Allocate a virtual mesh device */ |
49fee692 DD |
979 | mesh_wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
980 | if (!mesh_wdev) { | |
981 | lbs_deb_mesh("init mshX wireless device failed\n"); | |
982 | ret = -ENOMEM; | |
983 | goto done; | |
984 | } | |
985 | ||
c835a677 | 986 | mesh_dev = alloc_netdev(0, "msh%d", NET_NAME_UNKNOWN, ether_setup); |
3db4f989 DD |
987 | if (!mesh_dev) { |
988 | lbs_deb_mesh("init mshX device failed\n"); | |
989 | ret = -ENOMEM; | |
49fee692 | 990 | goto err_free_wdev; |
3db4f989 | 991 | } |
49fee692 DD |
992 | |
993 | mesh_wdev->iftype = NL80211_IFTYPE_MESH_POINT; | |
994 | mesh_wdev->wiphy = priv->wdev->wiphy; | |
995 | mesh_wdev->netdev = mesh_dev; | |
996 | ||
3db4f989 | 997 | mesh_dev->ml_priv = priv; |
49fee692 | 998 | mesh_dev->ieee80211_ptr = mesh_wdev; |
3db4f989 | 999 | priv->mesh_dev = mesh_dev; |
15dbaac0 | 1000 | |
3db4f989 DD |
1001 | mesh_dev->netdev_ops = &mesh_netdev_ops; |
1002 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
d32a96e2 | 1003 | eth_hw_addr_inherit(mesh_dev, priv->dev); |
15dbaac0 | 1004 | |
3db4f989 | 1005 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
15dbaac0 | 1006 | |
3db4f989 DD |
1007 | mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
1008 | /* Register virtual mesh interface */ | |
1009 | ret = register_netdev(mesh_dev); | |
1010 | if (ret) { | |
1011 | pr_err("cannot register mshX virtual interface\n"); | |
49fee692 | 1012 | goto err_free_netdev; |
3db4f989 DD |
1013 | } |
1014 | ||
1015 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
15dbaac0 | 1016 | if (ret) |
3db4f989 | 1017 | goto err_unregister; |
15dbaac0 | 1018 | |
3db4f989 | 1019 | lbs_persist_config_init(mesh_dev); |
15dbaac0 | 1020 | |
3db4f989 DD |
1021 | /* Everything successful */ |
1022 | ret = 0; | |
1023 | goto done; | |
15dbaac0 | 1024 | |
3db4f989 DD |
1025 | err_unregister: |
1026 | unregister_netdev(mesh_dev); | |
15dbaac0 | 1027 | |
49fee692 | 1028 | err_free_netdev: |
3db4f989 | 1029 | free_netdev(mesh_dev); |
15dbaac0 | 1030 | |
49fee692 DD |
1031 | err_free_wdev: |
1032 | kfree(mesh_wdev); | |
1033 | ||
3db4f989 | 1034 | done: |
3db4f989 DD |
1035 | return ret; |
1036 | } | |
15dbaac0 | 1037 | |
3db4f989 DD |
1038 | void lbs_remove_mesh(struct lbs_private *priv) |
1039 | { | |
1040 | struct net_device *mesh_dev; | |
15dbaac0 | 1041 | |
3db4f989 DD |
1042 | mesh_dev = priv->mesh_dev; |
1043 | if (!mesh_dev) | |
1044 | return; | |
15dbaac0 | 1045 | |
3db4f989 DD |
1046 | netif_stop_queue(mesh_dev); |
1047 | netif_carrier_off(mesh_dev); | |
1048 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
1049 | lbs_persist_config_remove(mesh_dev); | |
1050 | unregister_netdev(mesh_dev); | |
1051 | priv->mesh_dev = NULL; | |
49fee692 | 1052 | kfree(mesh_dev->ieee80211_ptr); |
3db4f989 | 1053 | free_netdev(mesh_dev); |
15dbaac0 JC |
1054 | } |
1055 | ||
3db4f989 DD |
1056 | |
1057 | /*************************************************************************** | |
1058 | * Sending and receiving | |
1059 | */ | |
1060 | struct net_device *lbs_mesh_set_dev(struct lbs_private *priv, | |
1061 | struct net_device *dev, struct rxpd *rxpd) | |
15dbaac0 | 1062 | { |
3db4f989 DD |
1063 | if (priv->mesh_dev) { |
1064 | if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) { | |
1065 | if (rxpd->rx_control & RxPD_MESH_FRAME) | |
1066 | dev = priv->mesh_dev; | |
1067 | } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) { | |
1068 | if (rxpd->u.bss.bss_num == MESH_IFACE_ID) | |
1069 | dev = priv->mesh_dev; | |
1070 | } | |
1071 | } | |
1072 | return dev; | |
15dbaac0 | 1073 | } |
c7fe64cf HS |
1074 | |
1075 | ||
3db4f989 DD |
1076 | void lbs_mesh_set_txpd(struct lbs_private *priv, |
1077 | struct net_device *dev, struct txpd *txpd) | |
1078 | { | |
1079 | if (dev == priv->mesh_dev) { | |
1080 | if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) | |
1081 | txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME); | |
1082 | else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) | |
1083 | txpd->u.bss.bss_num = MESH_IFACE_ID; | |
1084 | } | |
1085 | } | |
1086 | ||
c7fe64cf HS |
1087 | |
1088 | /*************************************************************************** | |
1089 | * Ethtool related | |
1090 | */ | |
1091 | ||
12e3c043 KC |
1092 | static const char mesh_stat_strings[MESH_STATS_NUM][ETH_GSTRING_LEN] = { |
1093 | "drop_duplicate_bcast", | |
1094 | "drop_ttl_zero", | |
1095 | "drop_no_fwd_route", | |
1096 | "drop_no_buffers", | |
1097 | "fwded_unicast_cnt", | |
1098 | "fwded_bcast_cnt", | |
1099 | "drop_blind_table", | |
1100 | "tx_failed_cnt" | |
c7fe64cf HS |
1101 | }; |
1102 | ||
1103 | void lbs_mesh_ethtool_get_stats(struct net_device *dev, | |
1104 | struct ethtool_stats *stats, uint64_t *data) | |
1105 | { | |
1106 | struct lbs_private *priv = dev->ml_priv; | |
1107 | struct cmd_ds_mesh_access mesh_access; | |
1108 | int ret; | |
1109 | ||
c7fe64cf HS |
1110 | /* Get Mesh Statistics */ |
1111 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access); | |
1112 | ||
1113 | if (ret) { | |
1114 | memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t))); | |
1115 | return; | |
1116 | } | |
1117 | ||
1118 | priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]); | |
1119 | priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]); | |
1120 | priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]); | |
1121 | priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]); | |
1122 | priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]); | |
1123 | priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]); | |
1124 | priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]); | |
1125 | priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]); | |
1126 | ||
1127 | data[0] = priv->mstats.fwd_drop_rbt; | |
1128 | data[1] = priv->mstats.fwd_drop_ttl; | |
1129 | data[2] = priv->mstats.fwd_drop_noroute; | |
1130 | data[3] = priv->mstats.fwd_drop_nobuf; | |
1131 | data[4] = priv->mstats.fwd_unicast_cnt; | |
1132 | data[5] = priv->mstats.fwd_bcast_cnt; | |
1133 | data[6] = priv->mstats.drop_blind; | |
1134 | data[7] = priv->mstats.tx_failed_cnt; | |
c7fe64cf HS |
1135 | } |
1136 | ||
1137 | int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset) | |
1138 | { | |
1139 | struct lbs_private *priv = dev->ml_priv; | |
1140 | ||
1141 | if (sset == ETH_SS_STATS && dev == priv->mesh_dev) | |
1142 | return MESH_STATS_NUM; | |
1143 | ||
1144 | return -EOPNOTSUPP; | |
1145 | } | |
1146 | ||
1147 | void lbs_mesh_ethtool_get_strings(struct net_device *dev, | |
1148 | uint32_t stringset, uint8_t *s) | |
1149 | { | |
c7fe64cf HS |
1150 | switch (stringset) { |
1151 | case ETH_SS_STATS: | |
12e3c043 | 1152 | memcpy(s, mesh_stat_strings, sizeof(mesh_stat_strings)); |
c7fe64cf HS |
1153 | break; |
1154 | } | |
c7fe64cf | 1155 | } |