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15dbaac0 JC |
1 | #include <linux/moduleparam.h> |
2 | #include <linux/delay.h> | |
3 | #include <linux/etherdevice.h> | |
4 | #include <linux/netdevice.h> | |
5 | #include <linux/if_arp.h> | |
6 | #include <linux/kthread.h> | |
7 | #include <linux/kfifo.h> | |
8 | ||
e0e42da3 | 9 | #include "mesh.h" |
15dbaac0 | 10 | #include "decl.h" |
15dbaac0 JC |
11 | #include "cmd.h" |
12 | ||
e0e42da3 HS |
13 | |
14 | /*************************************************************************** | |
15 | * Mesh sysfs support | |
16 | */ | |
17 | ||
18 | /** | |
19 | * Attributes exported through sysfs | |
20 | */ | |
21 | ||
22 | /** | |
23 | * @brief Get function for sysfs attribute anycast_mask | |
24 | */ | |
25 | static ssize_t lbs_anycast_get(struct device *dev, | |
26 | struct device_attribute *attr, char * buf) | |
27 | { | |
28 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
29 | struct cmd_ds_mesh_access mesh_access; | |
30 | int ret; | |
31 | ||
32 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
33 | ||
34 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
35 | if (ret) | |
36 | return ret; | |
37 | ||
38 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); | |
39 | } | |
40 | ||
41 | /** | |
42 | * @brief Set function for sysfs attribute anycast_mask | |
43 | */ | |
44 | static ssize_t lbs_anycast_set(struct device *dev, | |
45 | struct device_attribute *attr, const char * buf, size_t count) | |
46 | { | |
47 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
48 | struct cmd_ds_mesh_access mesh_access; | |
49 | uint32_t datum; | |
50 | int ret; | |
51 | ||
52 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
53 | sscanf(buf, "%x", &datum); | |
54 | mesh_access.data[0] = cpu_to_le32(datum); | |
55 | ||
56 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); | |
57 | if (ret) | |
58 | return ret; | |
59 | ||
60 | return strlen(buf); | |
61 | } | |
62 | ||
63 | /** | |
64 | * @brief Get function for sysfs attribute prb_rsp_limit | |
65 | */ | |
66 | static ssize_t lbs_prb_rsp_limit_get(struct device *dev, | |
67 | struct device_attribute *attr, char *buf) | |
68 | { | |
69 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
70 | struct cmd_ds_mesh_access mesh_access; | |
71 | int ret; | |
72 | u32 retry_limit; | |
73 | ||
74 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
75 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET); | |
76 | ||
77 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | |
78 | &mesh_access); | |
79 | if (ret) | |
80 | return ret; | |
81 | ||
82 | retry_limit = le32_to_cpu(mesh_access.data[1]); | |
83 | return snprintf(buf, 10, "%d\n", retry_limit); | |
84 | } | |
85 | ||
86 | /** | |
87 | * @brief Set function for sysfs attribute prb_rsp_limit | |
88 | */ | |
89 | static ssize_t lbs_prb_rsp_limit_set(struct device *dev, | |
90 | struct device_attribute *attr, const char *buf, size_t count) | |
91 | { | |
92 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
93 | struct cmd_ds_mesh_access mesh_access; | |
94 | int ret; | |
95 | unsigned long retry_limit; | |
96 | ||
97 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
98 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET); | |
99 | ||
100 | if (!strict_strtoul(buf, 10, &retry_limit)) | |
101 | return -ENOTSUPP; | |
102 | if (retry_limit > 15) | |
103 | return -ENOTSUPP; | |
104 | ||
105 | mesh_access.data[1] = cpu_to_le32(retry_limit); | |
106 | ||
107 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | |
108 | &mesh_access); | |
109 | if (ret) | |
110 | return ret; | |
111 | ||
112 | return strlen(buf); | |
113 | } | |
114 | ||
115 | /** | |
116 | * Get function for sysfs attribute mesh | |
117 | */ | |
118 | static ssize_t lbs_mesh_get(struct device *dev, | |
119 | struct device_attribute *attr, char * buf) | |
120 | { | |
121 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
122 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
123 | } | |
124 | ||
125 | /** | |
126 | * Set function for sysfs attribute mesh | |
127 | */ | |
128 | static ssize_t lbs_mesh_set(struct device *dev, | |
129 | struct device_attribute *attr, const char * buf, size_t count) | |
130 | { | |
131 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | |
132 | int enable; | |
133 | int ret, action = CMD_ACT_MESH_CONFIG_STOP; | |
134 | ||
135 | sscanf(buf, "%x", &enable); | |
136 | enable = !!enable; | |
137 | if (enable == !!priv->mesh_dev) | |
138 | return count; | |
139 | if (enable) | |
140 | action = CMD_ACT_MESH_CONFIG_START; | |
141 | ret = lbs_mesh_config(priv, action, priv->channel); | |
142 | if (ret) | |
143 | return ret; | |
144 | ||
145 | if (enable) | |
146 | lbs_add_mesh(priv); | |
147 | else | |
148 | lbs_remove_mesh(priv); | |
149 | ||
150 | return count; | |
151 | } | |
152 | ||
153 | /** | |
154 | * lbs_mesh attribute to be exported per ethX interface | |
155 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
156 | */ | |
157 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
158 | ||
159 | /** | |
160 | * anycast_mask attribute to be exported per mshX interface | |
161 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
162 | */ | |
163 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); | |
164 | ||
165 | /** | |
166 | * prb_rsp_limit attribute to be exported per mshX interface | |
167 | * through sysfs (/sys/class/net/mshX/prb_rsp_limit) | |
168 | */ | |
169 | static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get, | |
170 | lbs_prb_rsp_limit_set); | |
171 | ||
172 | static struct attribute *lbs_mesh_sysfs_entries[] = { | |
173 | &dev_attr_anycast_mask.attr, | |
174 | &dev_attr_prb_rsp_limit.attr, | |
175 | NULL, | |
176 | }; | |
177 | ||
178 | static struct attribute_group lbs_mesh_attr_group = { | |
179 | .attrs = lbs_mesh_sysfs_entries, | |
180 | }; | |
181 | ||
182 | ||
183 | ||
184 | /*************************************************************************** | |
185 | * Initializing and starting, stopping mesh | |
186 | */ | |
187 | ||
188 | /* | |
189 | * Check mesh FW version and appropriately send the mesh start | |
190 | * command | |
191 | */ | |
192 | int lbs_init_mesh(struct lbs_private *priv) | |
193 | { | |
194 | struct net_device *dev = priv->dev; | |
195 | int ret = 0; | |
196 | ||
197 | lbs_deb_enter(LBS_DEB_MESH); | |
198 | ||
199 | if (priv->mesh_fw_ver == MESH_FW_OLD) { | |
200 | /* Enable mesh, if supported, and work out which TLV it uses. | |
201 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
202 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
203 | but we check them in that order because 20.pXX doesn't | |
204 | give an error -- it just silently fails. */ | |
205 | ||
206 | /* 5.110.20.pXX firmware will fail the command if the channel | |
207 | doesn't match the existing channel. But only if the TLV | |
208 | is correct. If the channel is wrong, _BOTH_ versions will | |
209 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
210 | It's just that 5.110.20.pXX will not have done anything | |
211 | useful */ | |
212 | ||
213 | priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID; | |
214 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, | |
215 | priv->channel)) { | |
216 | priv->mesh_tlv = TLV_TYPE_MESH_ID; | |
217 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, | |
218 | priv->channel)) | |
219 | priv->mesh_tlv = 0; | |
220 | } | |
221 | } else if (priv->mesh_fw_ver == MESH_FW_NEW) { | |
222 | /* 10.0.0.pXX new firmwares should succeed with TLV | |
223 | * 0x100+37; Do not invoke command with old TLV. | |
224 | */ | |
225 | priv->mesh_tlv = TLV_TYPE_MESH_ID; | |
226 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, | |
227 | priv->channel)) | |
228 | priv->mesh_tlv = 0; | |
229 | } | |
230 | if (priv->mesh_tlv) { | |
231 | lbs_add_mesh(priv); | |
232 | ||
233 | if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) | |
234 | lbs_pr_err("cannot register lbs_mesh attribute\n"); | |
235 | ||
236 | ret = 1; | |
237 | } | |
238 | ||
239 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
240 | return ret; | |
241 | } | |
242 | ||
243 | ||
244 | int lbs_deinit_mesh(struct lbs_private *priv) | |
245 | { | |
246 | struct net_device *dev = priv->dev; | |
247 | int ret = 0; | |
248 | ||
249 | lbs_deb_enter(LBS_DEB_MESH); | |
250 | ||
251 | if (priv->mesh_tlv) { | |
252 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
253 | ret = 1; | |
254 | } | |
255 | ||
256 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
257 | return ret; | |
258 | } | |
259 | ||
260 | ||
261 | /** | |
262 | * @brief This function closes the mshX interface | |
263 | * | |
264 | * @param dev A pointer to net_device structure | |
265 | * @return 0 | |
266 | */ | |
267 | static int lbs_mesh_stop(struct net_device *dev) | |
268 | { | |
269 | struct lbs_private *priv = dev->ml_priv; | |
270 | ||
271 | lbs_deb_enter(LBS_DEB_MESH); | |
272 | spin_lock_irq(&priv->driver_lock); | |
273 | ||
274 | priv->mesh_open = 0; | |
275 | priv->mesh_connect_status = LBS_DISCONNECTED; | |
276 | ||
277 | netif_stop_queue(dev); | |
278 | netif_carrier_off(dev); | |
279 | ||
280 | spin_unlock_irq(&priv->driver_lock); | |
281 | ||
282 | schedule_work(&priv->mcast_work); | |
283 | ||
284 | lbs_deb_leave(LBS_DEB_MESH); | |
285 | return 0; | |
286 | } | |
287 | ||
288 | /** | |
289 | * @brief This function opens the mshX interface | |
290 | * | |
291 | * @param dev A pointer to net_device structure | |
292 | * @return 0 or -EBUSY if monitor mode active | |
293 | */ | |
294 | static int lbs_mesh_dev_open(struct net_device *dev) | |
295 | { | |
296 | struct lbs_private *priv = dev->ml_priv; | |
297 | int ret = 0; | |
298 | ||
299 | lbs_deb_enter(LBS_DEB_NET); | |
300 | ||
301 | spin_lock_irq(&priv->driver_lock); | |
302 | ||
303 | if (priv->monitormode) { | |
304 | ret = -EBUSY; | |
305 | goto out; | |
306 | } | |
307 | ||
308 | priv->mesh_open = 1; | |
309 | priv->mesh_connect_status = LBS_CONNECTED; | |
310 | netif_carrier_on(dev); | |
311 | ||
312 | if (!priv->tx_pending_len) | |
313 | netif_wake_queue(dev); | |
314 | out: | |
315 | ||
316 | spin_unlock_irq(&priv->driver_lock); | |
317 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
318 | return ret; | |
319 | } | |
320 | ||
321 | static const struct net_device_ops mesh_netdev_ops = { | |
322 | .ndo_open = lbs_mesh_dev_open, | |
323 | .ndo_stop = lbs_mesh_stop, | |
324 | .ndo_start_xmit = lbs_hard_start_xmit, | |
325 | .ndo_set_mac_address = lbs_set_mac_address, | |
326 | .ndo_set_multicast_list = lbs_set_multicast_list, | |
327 | }; | |
328 | ||
329 | /** | |
330 | * @brief This function adds mshX interface | |
331 | * | |
332 | * @param priv A pointer to the struct lbs_private structure | |
333 | * @return 0 if successful, -X otherwise | |
334 | */ | |
335 | int lbs_add_mesh(struct lbs_private *priv) | |
336 | { | |
337 | struct net_device *mesh_dev = NULL; | |
338 | int ret = 0; | |
339 | ||
340 | lbs_deb_enter(LBS_DEB_MESH); | |
341 | ||
342 | /* Allocate a virtual mesh device */ | |
343 | mesh_dev = alloc_netdev(0, "msh%d", ether_setup); | |
344 | if (!mesh_dev) { | |
345 | lbs_deb_mesh("init mshX device failed\n"); | |
346 | ret = -ENOMEM; | |
347 | goto done; | |
348 | } | |
349 | mesh_dev->ml_priv = priv; | |
350 | priv->mesh_dev = mesh_dev; | |
351 | ||
352 | mesh_dev->netdev_ops = &mesh_netdev_ops; | |
353 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
354 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, | |
355 | sizeof(priv->dev->dev_addr)); | |
356 | ||
357 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); | |
358 | ||
359 | #ifdef WIRELESS_EXT | |
360 | mesh_dev->wireless_handlers = &mesh_handler_def; | |
361 | #endif | |
362 | mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
363 | /* Register virtual mesh interface */ | |
364 | ret = register_netdev(mesh_dev); | |
365 | if (ret) { | |
366 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
367 | goto err_free; | |
368 | } | |
369 | ||
370 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
371 | if (ret) | |
372 | goto err_unregister; | |
373 | ||
374 | lbs_persist_config_init(mesh_dev); | |
375 | ||
376 | /* Everything successful */ | |
377 | ret = 0; | |
378 | goto done; | |
379 | ||
380 | err_unregister: | |
381 | unregister_netdev(mesh_dev); | |
382 | ||
383 | err_free: | |
384 | free_netdev(mesh_dev); | |
385 | ||
386 | done: | |
387 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
388 | return ret; | |
389 | } | |
390 | ||
391 | void lbs_remove_mesh(struct lbs_private *priv) | |
392 | { | |
393 | struct net_device *mesh_dev; | |
394 | ||
395 | mesh_dev = priv->mesh_dev; | |
396 | if (!mesh_dev) | |
397 | return; | |
398 | ||
399 | lbs_deb_enter(LBS_DEB_MESH); | |
400 | netif_stop_queue(mesh_dev); | |
401 | netif_carrier_off(mesh_dev); | |
402 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | |
403 | lbs_persist_config_remove(mesh_dev); | |
404 | unregister_netdev(mesh_dev); | |
405 | priv->mesh_dev = NULL; | |
406 | free_netdev(mesh_dev); | |
407 | lbs_deb_leave(LBS_DEB_MESH); | |
408 | } | |
409 | ||
410 | ||
411 | ||
412 | /*************************************************************************** | |
413 | * Sending and receiving | |
414 | */ | |
415 | struct net_device *lbs_mesh_set_dev(struct lbs_private *priv, | |
416 | struct net_device *dev, struct rxpd *rxpd) | |
417 | { | |
418 | if (priv->mesh_dev) { | |
419 | if (priv->mesh_fw_ver == MESH_FW_OLD) { | |
420 | if (rxpd->rx_control & RxPD_MESH_FRAME) | |
421 | dev = priv->mesh_dev; | |
422 | } else if (priv->mesh_fw_ver == MESH_FW_NEW) { | |
423 | if (rxpd->u.bss.bss_num == MESH_IFACE_ID) | |
424 | dev = priv->mesh_dev; | |
425 | } | |
426 | } | |
427 | return dev; | |
428 | } | |
429 | ||
430 | ||
431 | void lbs_mesh_set_txpd(struct lbs_private *priv, | |
432 | struct net_device *dev, struct txpd *txpd) | |
433 | { | |
434 | if (dev == priv->mesh_dev) { | |
435 | if (priv->mesh_fw_ver == MESH_FW_OLD) | |
436 | txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME); | |
437 | else if (priv->mesh_fw_ver == MESH_FW_NEW) | |
438 | txpd->u.bss.bss_num = MESH_IFACE_ID; | |
439 | } | |
440 | } | |
441 | ||
442 | ||
443 | /*************************************************************************** | |
444 | * Persistent configuration support | |
445 | */ | |
446 | ||
15dbaac0 JC |
447 | static int mesh_get_default_parameters(struct device *dev, |
448 | struct mrvl_mesh_defaults *defs) | |
449 | { | |
ab65f649 | 450 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
451 | struct cmd_ds_mesh_config cmd; |
452 | int ret; | |
453 | ||
454 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); | |
455 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET, | |
456 | CMD_TYPE_MESH_GET_DEFAULTS); | |
457 | ||
458 | if (ret) | |
459 | return -EOPNOTSUPP; | |
460 | ||
461 | memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults)); | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
466 | /** | |
467 | * @brief Get function for sysfs attribute bootflag | |
468 | */ | |
469 | static ssize_t bootflag_get(struct device *dev, | |
470 | struct device_attribute *attr, char *buf) | |
471 | { | |
472 | struct mrvl_mesh_defaults defs; | |
473 | int ret; | |
474 | ||
475 | ret = mesh_get_default_parameters(dev, &defs); | |
476 | ||
477 | if (ret) | |
478 | return ret; | |
479 | ||
fb904907 | 480 | return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag)); |
15dbaac0 JC |
481 | } |
482 | ||
483 | /** | |
484 | * @brief Set function for sysfs attribute bootflag | |
485 | */ | |
486 | static ssize_t bootflag_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; |
15dbaac0 JC |
490 | struct cmd_ds_mesh_config cmd; |
491 | uint32_t datum; | |
492 | int ret; | |
493 | ||
494 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
495 | ret = sscanf(buf, "%d", &datum); |
496 | if ((ret != 1) || (datum > 1)) | |
15dbaac0 JC |
497 | return -EINVAL; |
498 | ||
499 | *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum); | |
500 | cmd.length = cpu_to_le16(sizeof(uint32_t)); | |
501 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
502 | CMD_TYPE_MESH_SET_BOOTFLAG); | |
503 | if (ret) | |
504 | return ret; | |
505 | ||
506 | return strlen(buf); | |
507 | } | |
508 | ||
509 | /** | |
510 | * @brief Get function for sysfs attribute boottime | |
511 | */ | |
512 | static ssize_t boottime_get(struct device *dev, | |
513 | struct device_attribute *attr, char *buf) | |
514 | { | |
515 | struct mrvl_mesh_defaults defs; | |
516 | int ret; | |
517 | ||
518 | ret = mesh_get_default_parameters(dev, &defs); | |
519 | ||
520 | if (ret) | |
521 | return ret; | |
522 | ||
fb904907 | 523 | return snprintf(buf, 12, "%d\n", defs.boottime); |
15dbaac0 JC |
524 | } |
525 | ||
526 | /** | |
527 | * @brief Set function for sysfs attribute boottime | |
528 | */ | |
529 | static ssize_t boottime_set(struct device *dev, | |
530 | struct device_attribute *attr, const char *buf, size_t count) | |
531 | { | |
ab65f649 | 532 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
533 | struct cmd_ds_mesh_config cmd; |
534 | uint32_t datum; | |
535 | int ret; | |
536 | ||
537 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
538 | ret = sscanf(buf, "%d", &datum); |
539 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
540 | return -EINVAL; |
541 | ||
542 | /* A too small boot time will result in the device booting into | |
543 | * standalone (no-host) mode before the host can take control of it, | |
544 | * so the change will be hard to revert. This may be a desired | |
545 | * feature (e.g to configure a very fast boot time for devices that | |
546 | * will not be attached to a host), but dangerous. So I'm enforcing a | |
547 | * lower limit of 20 seconds: remove and recompile the driver if this | |
548 | * does not work for you. | |
549 | */ | |
550 | datum = (datum < 20) ? 20 : datum; | |
551 | cmd.data[0] = datum; | |
552 | cmd.length = cpu_to_le16(sizeof(uint8_t)); | |
553 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
554 | CMD_TYPE_MESH_SET_BOOTTIME); | |
555 | if (ret) | |
556 | return ret; | |
557 | ||
558 | return strlen(buf); | |
559 | } | |
560 | ||
b679aeb3 JC |
561 | /** |
562 | * @brief Get function for sysfs attribute channel | |
563 | */ | |
564 | static ssize_t channel_get(struct device *dev, | |
565 | struct device_attribute *attr, char *buf) | |
566 | { | |
567 | struct mrvl_mesh_defaults defs; | |
568 | int ret; | |
569 | ||
570 | ret = mesh_get_default_parameters(dev, &defs); | |
571 | ||
572 | if (ret) | |
573 | return ret; | |
574 | ||
fb904907 | 575 | return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel)); |
b679aeb3 JC |
576 | } |
577 | ||
578 | /** | |
579 | * @brief Set function for sysfs attribute channel | |
580 | */ | |
581 | static ssize_t channel_set(struct device *dev, struct device_attribute *attr, | |
582 | const char *buf, size_t count) | |
583 | { | |
ab65f649 | 584 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
b679aeb3 | 585 | struct cmd_ds_mesh_config cmd; |
fb904907 | 586 | uint32_t datum; |
b679aeb3 JC |
587 | int ret; |
588 | ||
589 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 | 590 | ret = sscanf(buf, "%d", &datum); |
b679aeb3 JC |
591 | if (ret != 1 || datum < 1 || datum > 11) |
592 | return -EINVAL; | |
593 | ||
594 | *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum); | |
595 | cmd.length = cpu_to_le16(sizeof(uint16_t)); | |
596 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
597 | CMD_TYPE_MESH_SET_DEF_CHANNEL); | |
598 | if (ret) | |
599 | return ret; | |
600 | ||
601 | return strlen(buf); | |
602 | } | |
603 | ||
15dbaac0 JC |
604 | /** |
605 | * @brief Get function for sysfs attribute mesh_id | |
606 | */ | |
607 | static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr, | |
608 | char *buf) | |
609 | { | |
610 | struct mrvl_mesh_defaults defs; | |
611 | int maxlen; | |
612 | int ret; | |
613 | ||
614 | ret = mesh_get_default_parameters(dev, &defs); | |
615 | ||
616 | if (ret) | |
617 | return ret; | |
618 | ||
243e84e9 | 619 | if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) { |
df349f9f | 620 | lbs_pr_err("inconsistent mesh ID length"); |
243e84e9 | 621 | defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN; |
15dbaac0 JC |
622 | } |
623 | ||
624 | /* SSID not null terminated: reserve room for \0 + \n */ | |
625 | maxlen = defs.meshie.val.mesh_id_len + 2; | |
626 | maxlen = (PAGE_SIZE > maxlen) ? maxlen : PAGE_SIZE; | |
627 | ||
628 | defs.meshie.val.mesh_id[defs.meshie.val.mesh_id_len] = '\0'; | |
629 | ||
630 | return snprintf(buf, maxlen, "%s\n", defs.meshie.val.mesh_id); | |
631 | } | |
632 | ||
633 | /** | |
634 | * @brief Set function for sysfs attribute mesh_id | |
635 | */ | |
636 | static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr, | |
637 | const char *buf, size_t count) | |
638 | { | |
639 | struct cmd_ds_mesh_config cmd; | |
640 | struct mrvl_mesh_defaults defs; | |
641 | struct mrvl_meshie *ie; | |
ab65f649 | 642 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
643 | int len; |
644 | int ret; | |
645 | ||
243e84e9 | 646 | if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1) |
15dbaac0 JC |
647 | return -EINVAL; |
648 | ||
649 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); | |
650 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
651 | ||
652 | /* fetch all other Information Element parameters */ | |
653 | ret = mesh_get_default_parameters(dev, &defs); | |
654 | ||
655 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
656 | ||
657 | /* transfer IE elements */ | |
658 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
659 | ||
660 | len = count - 1; | |
661 | memcpy(ie->val.mesh_id, buf, len); | |
662 | /* SSID len */ | |
663 | ie->val.mesh_id_len = len; | |
664 | /* IE len */ | |
243e84e9 | 665 | ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len; |
15dbaac0 JC |
666 | |
667 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
668 | CMD_TYPE_MESH_SET_MESH_IE); | |
669 | if (ret) | |
670 | return ret; | |
671 | ||
672 | return strlen(buf); | |
673 | } | |
674 | ||
675 | /** | |
676 | * @brief Get function for sysfs attribute protocol_id | |
677 | */ | |
678 | static ssize_t protocol_id_get(struct device *dev, | |
679 | struct device_attribute *attr, char *buf) | |
680 | { | |
681 | struct mrvl_mesh_defaults defs; | |
682 | int ret; | |
683 | ||
684 | ret = mesh_get_default_parameters(dev, &defs); | |
685 | ||
686 | if (ret) | |
687 | return ret; | |
688 | ||
689 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id); | |
690 | } | |
691 | ||
692 | /** | |
693 | * @brief Set function for sysfs attribute protocol_id | |
694 | */ | |
695 | static ssize_t protocol_id_set(struct device *dev, | |
696 | struct device_attribute *attr, const char *buf, size_t count) | |
697 | { | |
698 | struct cmd_ds_mesh_config cmd; | |
699 | struct mrvl_mesh_defaults defs; | |
700 | struct mrvl_meshie *ie; | |
ab65f649 | 701 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
702 | uint32_t datum; |
703 | int ret; | |
704 | ||
705 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
706 | ret = sscanf(buf, "%d", &datum); |
707 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
708 | return -EINVAL; |
709 | ||
710 | /* fetch all other Information Element parameters */ | |
711 | ret = mesh_get_default_parameters(dev, &defs); | |
712 | ||
713 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
714 | ||
715 | /* transfer IE elements */ | |
716 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
717 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
718 | /* update protocol id */ | |
719 | ie->val.active_protocol_id = datum; | |
720 | ||
721 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
722 | CMD_TYPE_MESH_SET_MESH_IE); | |
723 | if (ret) | |
724 | return ret; | |
725 | ||
726 | return strlen(buf); | |
727 | } | |
728 | ||
729 | /** | |
730 | * @brief Get function for sysfs attribute metric_id | |
731 | */ | |
732 | static ssize_t metric_id_get(struct device *dev, | |
733 | struct device_attribute *attr, char *buf) | |
734 | { | |
735 | struct mrvl_mesh_defaults defs; | |
736 | int ret; | |
737 | ||
738 | ret = mesh_get_default_parameters(dev, &defs); | |
739 | ||
740 | if (ret) | |
741 | return ret; | |
742 | ||
743 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id); | |
744 | } | |
745 | ||
746 | /** | |
747 | * @brief Set function for sysfs attribute metric_id | |
748 | */ | |
749 | static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr, | |
750 | const char *buf, size_t count) | |
751 | { | |
752 | struct cmd_ds_mesh_config cmd; | |
753 | struct mrvl_mesh_defaults defs; | |
754 | struct mrvl_meshie *ie; | |
ab65f649 | 755 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
756 | uint32_t datum; |
757 | int ret; | |
758 | ||
759 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
760 | ret = sscanf(buf, "%d", &datum); |
761 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
762 | return -EINVAL; |
763 | ||
764 | /* fetch all other Information Element parameters */ | |
765 | ret = mesh_get_default_parameters(dev, &defs); | |
766 | ||
767 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
768 | ||
769 | /* transfer IE elements */ | |
770 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
771 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
772 | /* update metric id */ | |
773 | ie->val.active_metric_id = datum; | |
774 | ||
775 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
776 | CMD_TYPE_MESH_SET_MESH_IE); | |
777 | if (ret) | |
778 | return ret; | |
779 | ||
780 | return strlen(buf); | |
781 | } | |
782 | ||
783 | /** | |
784 | * @brief Get function for sysfs attribute capability | |
785 | */ | |
786 | static ssize_t capability_get(struct device *dev, | |
787 | struct device_attribute *attr, char *buf) | |
788 | { | |
789 | struct mrvl_mesh_defaults defs; | |
790 | int ret; | |
791 | ||
792 | ret = mesh_get_default_parameters(dev, &defs); | |
793 | ||
794 | if (ret) | |
795 | return ret; | |
796 | ||
797 | return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability); | |
798 | } | |
799 | ||
800 | /** | |
801 | * @brief Set function for sysfs attribute capability | |
802 | */ | |
803 | static ssize_t capability_set(struct device *dev, struct device_attribute *attr, | |
804 | const char *buf, size_t count) | |
805 | { | |
806 | struct cmd_ds_mesh_config cmd; | |
807 | struct mrvl_mesh_defaults defs; | |
808 | struct mrvl_meshie *ie; | |
ab65f649 | 809 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; |
15dbaac0 JC |
810 | uint32_t datum; |
811 | int ret; | |
812 | ||
813 | memset(&cmd, 0, sizeof(cmd)); | |
fb904907 BC |
814 | ret = sscanf(buf, "%d", &datum); |
815 | if ((ret != 1) || (datum > 255)) | |
15dbaac0 JC |
816 | return -EINVAL; |
817 | ||
818 | /* fetch all other Information Element parameters */ | |
819 | ret = mesh_get_default_parameters(dev, &defs); | |
820 | ||
821 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); | |
822 | ||
823 | /* transfer IE elements */ | |
824 | ie = (struct mrvl_meshie *) &cmd.data[0]; | |
825 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); | |
826 | /* update value */ | |
827 | ie->val.mesh_capability = datum; | |
828 | ||
829 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, | |
830 | CMD_TYPE_MESH_SET_MESH_IE); | |
831 | if (ret) | |
832 | return ret; | |
833 | ||
834 | return strlen(buf); | |
835 | } | |
836 | ||
837 | ||
838 | static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set); | |
839 | static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set); | |
b679aeb3 | 840 | static DEVICE_ATTR(channel, 0644, channel_get, channel_set); |
15dbaac0 JC |
841 | static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set); |
842 | static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set); | |
843 | static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set); | |
844 | static DEVICE_ATTR(capability, 0644, capability_get, capability_set); | |
845 | ||
846 | static struct attribute *boot_opts_attrs[] = { | |
847 | &dev_attr_bootflag.attr, | |
848 | &dev_attr_boottime.attr, | |
b679aeb3 | 849 | &dev_attr_channel.attr, |
15dbaac0 JC |
850 | NULL |
851 | }; | |
852 | ||
853 | static struct attribute_group boot_opts_group = { | |
854 | .name = "boot_options", | |
855 | .attrs = boot_opts_attrs, | |
856 | }; | |
857 | ||
858 | static struct attribute *mesh_ie_attrs[] = { | |
859 | &dev_attr_mesh_id.attr, | |
860 | &dev_attr_protocol_id.attr, | |
861 | &dev_attr_metric_id.attr, | |
862 | &dev_attr_capability.attr, | |
863 | NULL | |
864 | }; | |
865 | ||
866 | static struct attribute_group mesh_ie_group = { | |
867 | .name = "mesh_ie", | |
868 | .attrs = mesh_ie_attrs, | |
869 | }; | |
870 | ||
871 | void lbs_persist_config_init(struct net_device *dev) | |
872 | { | |
873 | int ret; | |
874 | ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group); | |
875 | ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group); | |
876 | } | |
877 | ||
878 | void lbs_persist_config_remove(struct net_device *dev) | |
879 | { | |
880 | sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group); | |
881 | sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group); | |
882 | } |