diff options
Diffstat (limited to 'drivers/net/wireless/libertas/main.c')
-rw-r--r-- | drivers/net/wireless/libertas/main.c | 357 |
1 files changed, 15 insertions, 342 deletions
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index 01f46cf288d7..db38a5a719fa 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c | |||
@@ -94,107 +94,9 @@ u8 lbs_data_rate_to_fw_index(u32 rate) | |||
94 | return 0; | 94 | return 0; |
95 | } | 95 | } |
96 | 96 | ||
97 | /** | ||
98 | * Attributes exported through sysfs | ||
99 | */ | ||
100 | |||
101 | /** | ||
102 | * @brief Get function for sysfs attribute anycast_mask | ||
103 | */ | ||
104 | static ssize_t lbs_anycast_get(struct device *dev, | ||
105 | struct device_attribute *attr, char * buf) | ||
106 | { | ||
107 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | ||
108 | struct cmd_ds_mesh_access mesh_access; | ||
109 | int ret; | ||
110 | |||
111 | memset(&mesh_access, 0, sizeof(mesh_access)); | ||
112 | |||
113 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | ||
114 | if (ret) | ||
115 | return ret; | ||
116 | |||
117 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); | ||
118 | } | ||
119 | |||
120 | /** | ||
121 | * @brief Set function for sysfs attribute anycast_mask | ||
122 | */ | ||
123 | static ssize_t lbs_anycast_set(struct device *dev, | ||
124 | struct device_attribute *attr, const char * buf, size_t count) | ||
125 | { | ||
126 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | ||
127 | struct cmd_ds_mesh_access mesh_access; | ||
128 | uint32_t datum; | ||
129 | int ret; | ||
130 | |||
131 | memset(&mesh_access, 0, sizeof(mesh_access)); | ||
132 | sscanf(buf, "%x", &datum); | ||
133 | mesh_access.data[0] = cpu_to_le32(datum); | ||
134 | |||
135 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); | ||
136 | if (ret) | ||
137 | return ret; | ||
138 | |||
139 | return strlen(buf); | ||
140 | } | ||
141 | |||
142 | /** | ||
143 | * @brief Get function for sysfs attribute prb_rsp_limit | ||
144 | */ | ||
145 | static ssize_t lbs_prb_rsp_limit_get(struct device *dev, | ||
146 | struct device_attribute *attr, char *buf) | ||
147 | { | ||
148 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | ||
149 | struct cmd_ds_mesh_access mesh_access; | ||
150 | int ret; | ||
151 | u32 retry_limit; | ||
152 | |||
153 | memset(&mesh_access, 0, sizeof(mesh_access)); | ||
154 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET); | ||
155 | |||
156 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | ||
157 | &mesh_access); | ||
158 | if (ret) | ||
159 | return ret; | ||
160 | |||
161 | retry_limit = le32_to_cpu(mesh_access.data[1]); | ||
162 | return snprintf(buf, 10, "%d\n", retry_limit); | ||
163 | } | ||
164 | |||
165 | /** | ||
166 | * @brief Set function for sysfs attribute prb_rsp_limit | ||
167 | */ | ||
168 | static ssize_t lbs_prb_rsp_limit_set(struct device *dev, | ||
169 | struct device_attribute *attr, const char *buf, size_t count) | ||
170 | { | ||
171 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | ||
172 | struct cmd_ds_mesh_access mesh_access; | ||
173 | int ret; | ||
174 | unsigned long retry_limit; | ||
175 | |||
176 | memset(&mesh_access, 0, sizeof(mesh_access)); | ||
177 | mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET); | ||
178 | |||
179 | if (!strict_strtoul(buf, 10, &retry_limit)) | ||
180 | return -ENOTSUPP; | ||
181 | if (retry_limit > 15) | ||
182 | return -ENOTSUPP; | ||
183 | |||
184 | mesh_access.data[1] = cpu_to_le32(retry_limit); | ||
185 | |||
186 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT, | ||
187 | &mesh_access); | ||
188 | if (ret) | ||
189 | return ret; | ||
190 | |||
191 | return strlen(buf); | ||
192 | } | ||
193 | 97 | ||
194 | static int lbs_add_rtap(struct lbs_private *priv); | 98 | static int lbs_add_rtap(struct lbs_private *priv); |
195 | static void lbs_remove_rtap(struct lbs_private *priv); | 99 | static void lbs_remove_rtap(struct lbs_private *priv); |
196 | static int lbs_add_mesh(struct lbs_private *priv); | ||
197 | static void lbs_remove_mesh(struct lbs_private *priv); | ||
198 | 100 | ||
199 | 101 | ||
200 | /** | 102 | /** |
@@ -260,74 +162,7 @@ static ssize_t lbs_rtap_set(struct device *dev, | |||
260 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set ); | 162 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set ); |
261 | 163 | ||
262 | /** | 164 | /** |
263 | * Get function for sysfs attribute mesh | 165 | * @brief This function opens the ethX interface |
264 | */ | ||
265 | static ssize_t lbs_mesh_get(struct device *dev, | ||
266 | struct device_attribute *attr, char * buf) | ||
267 | { | ||
268 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | ||
269 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | ||
270 | } | ||
271 | |||
272 | /** | ||
273 | * Set function for sysfs attribute mesh | ||
274 | */ | ||
275 | static ssize_t lbs_mesh_set(struct device *dev, | ||
276 | struct device_attribute *attr, const char * buf, size_t count) | ||
277 | { | ||
278 | struct lbs_private *priv = to_net_dev(dev)->ml_priv; | ||
279 | int enable; | ||
280 | int ret, action = CMD_ACT_MESH_CONFIG_STOP; | ||
281 | |||
282 | sscanf(buf, "%x", &enable); | ||
283 | enable = !!enable; | ||
284 | if (enable == !!priv->mesh_dev) | ||
285 | return count; | ||
286 | if (enable) | ||
287 | action = CMD_ACT_MESH_CONFIG_START; | ||
288 | ret = lbs_mesh_config(priv, action, priv->channel); | ||
289 | if (ret) | ||
290 | return ret; | ||
291 | |||
292 | if (enable) | ||
293 | lbs_add_mesh(priv); | ||
294 | else | ||
295 | lbs_remove_mesh(priv); | ||
296 | |||
297 | return count; | ||
298 | } | ||
299 | |||
300 | /** | ||
301 | * lbs_mesh attribute to be exported per ethX interface | ||
302 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | ||
303 | */ | ||
304 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | ||
305 | |||
306 | /** | ||
307 | * anycast_mask attribute to be exported per mshX interface | ||
308 | * through sysfs (/sys/class/net/mshX/anycast_mask) | ||
309 | */ | ||
310 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); | ||
311 | |||
312 | /** | ||
313 | * prb_rsp_limit attribute to be exported per mshX interface | ||
314 | * through sysfs (/sys/class/net/mshX/prb_rsp_limit) | ||
315 | */ | ||
316 | static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get, | ||
317 | lbs_prb_rsp_limit_set); | ||
318 | |||
319 | static struct attribute *lbs_mesh_sysfs_entries[] = { | ||
320 | &dev_attr_anycast_mask.attr, | ||
321 | &dev_attr_prb_rsp_limit.attr, | ||
322 | NULL, | ||
323 | }; | ||
324 | |||
325 | static struct attribute_group lbs_mesh_attr_group = { | ||
326 | .attrs = lbs_mesh_sysfs_entries, | ||
327 | }; | ||
328 | |||
329 | /** | ||
330 | * @brief This function opens the ethX or mshX interface | ||
331 | * | 166 | * |
332 | * @param dev A pointer to net_device structure | 167 | * @param dev A pointer to net_device structure |
333 | * @return 0 or -EBUSY if monitor mode active | 168 | * @return 0 or -EBUSY if monitor mode active |
@@ -346,18 +181,12 @@ static int lbs_dev_open(struct net_device *dev) | |||
346 | goto out; | 181 | goto out; |
347 | } | 182 | } |
348 | 183 | ||
349 | if (dev == priv->mesh_dev) { | 184 | priv->infra_open = 1; |
350 | priv->mesh_open = 1; | ||
351 | priv->mesh_connect_status = LBS_CONNECTED; | ||
352 | netif_carrier_on(dev); | ||
353 | } else { | ||
354 | priv->infra_open = 1; | ||
355 | 185 | ||
356 | if (priv->connect_status == LBS_CONNECTED) | 186 | if (priv->connect_status == LBS_CONNECTED) |
357 | netif_carrier_on(dev); | 187 | netif_carrier_on(dev); |
358 | else | 188 | else |
359 | netif_carrier_off(dev); | 189 | netif_carrier_off(dev); |
360 | } | ||
361 | 190 | ||
362 | if (!priv->tx_pending_len) | 191 | if (!priv->tx_pending_len) |
363 | netif_wake_queue(dev); | 192 | netif_wake_queue(dev); |
@@ -369,33 +198,6 @@ static int lbs_dev_open(struct net_device *dev) | |||
369 | } | 198 | } |
370 | 199 | ||
371 | /** | 200 | /** |
372 | * @brief This function closes the mshX interface | ||
373 | * | ||
374 | * @param dev A pointer to net_device structure | ||
375 | * @return 0 | ||
376 | */ | ||
377 | static int lbs_mesh_stop(struct net_device *dev) | ||
378 | { | ||
379 | struct lbs_private *priv = dev->ml_priv; | ||
380 | |||
381 | lbs_deb_enter(LBS_DEB_MESH); | ||
382 | spin_lock_irq(&priv->driver_lock); | ||
383 | |||
384 | priv->mesh_open = 0; | ||
385 | priv->mesh_connect_status = LBS_DISCONNECTED; | ||
386 | |||
387 | netif_stop_queue(dev); | ||
388 | netif_carrier_off(dev); | ||
389 | |||
390 | spin_unlock_irq(&priv->driver_lock); | ||
391 | |||
392 | schedule_work(&priv->mcast_work); | ||
393 | |||
394 | lbs_deb_leave(LBS_DEB_MESH); | ||
395 | return 0; | ||
396 | } | ||
397 | |||
398 | /** | ||
399 | * @brief This function closes the ethX interface | 201 | * @brief This function closes the ethX interface |
400 | * | 202 | * |
401 | * @param dev A pointer to net_device structure | 203 | * @param dev A pointer to net_device structure |
@@ -466,7 +268,7 @@ void lbs_host_to_card_done(struct lbs_private *priv) | |||
466 | } | 268 | } |
467 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | 269 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); |
468 | 270 | ||
469 | static int lbs_set_mac_address(struct net_device *dev, void *addr) | 271 | int lbs_set_mac_address(struct net_device *dev, void *addr) |
470 | { | 272 | { |
471 | int ret = 0; | 273 | int ret = 0; |
472 | struct lbs_private *priv = dev->ml_priv; | 274 | struct lbs_private *priv = dev->ml_priv; |
@@ -600,7 +402,7 @@ static void lbs_set_mcast_worker(struct work_struct *work) | |||
600 | lbs_deb_leave(LBS_DEB_NET); | 402 | lbs_deb_leave(LBS_DEB_NET); |
601 | } | 403 | } |
602 | 404 | ||
603 | static void lbs_set_multicast_list(struct net_device *dev) | 405 | void lbs_set_multicast_list(struct net_device *dev) |
604 | { | 406 | { |
605 | struct lbs_private *priv = dev->ml_priv; | 407 | struct lbs_private *priv = dev->ml_priv; |
606 | 408 | ||
@@ -1177,7 +979,6 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev) | |||
1177 | 979 | ||
1178 | 980 | ||
1179 | priv->card = card; | 981 | priv->card = card; |
1180 | priv->mesh_open = 0; | ||
1181 | priv->infra_open = 0; | 982 | priv->infra_open = 0; |
1182 | 983 | ||
1183 | 984 | ||
@@ -1198,6 +999,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev) | |||
1198 | INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker); | 999 | INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker); |
1199 | INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); | 1000 | INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); |
1200 | 1001 | ||
1002 | priv->mesh_open = 0; | ||
1201 | sprintf(priv->mesh_ssid, "mesh"); | 1003 | sprintf(priv->mesh_ssid, "mesh"); |
1202 | priv->mesh_ssid_len = 4; | 1004 | priv->mesh_ssid_len = 4; |
1203 | 1005 | ||
@@ -1292,50 +1094,12 @@ int lbs_start_card(struct lbs_private *priv) | |||
1292 | 1094 | ||
1293 | lbs_update_channel(priv); | 1095 | lbs_update_channel(priv); |
1294 | 1096 | ||
1295 | /* Check mesh FW version and appropriately send the mesh start | 1097 | /* |
1296 | * command | 1098 | * While rtap isn't related to mesh, only mesh-enabled |
1099 | * firmware implements the rtap functionality via | ||
1100 | * CMD_802_11_MONITOR_MODE. | ||
1297 | */ | 1101 | */ |
1298 | if (priv->mesh_fw_ver == MESH_FW_OLD) { | 1102 | if (lbs_init_mesh(priv)) { |
1299 | /* Enable mesh, if supported, and work out which TLV it uses. | ||
1300 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | ||
1301 | 0x100 + 37 is the official value used in 5.110.21.pXX | ||
1302 | but we check them in that order because 20.pXX doesn't | ||
1303 | give an error -- it just silently fails. */ | ||
1304 | |||
1305 | /* 5.110.20.pXX firmware will fail the command if the channel | ||
1306 | doesn't match the existing channel. But only if the TLV | ||
1307 | is correct. If the channel is wrong, _BOTH_ versions will | ||
1308 | give an error to 0x100+291, and allow 0x100+37 to succeed. | ||
1309 | It's just that 5.110.20.pXX will not have done anything | ||
1310 | useful */ | ||
1311 | |||
1312 | priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID; | ||
1313 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, | ||
1314 | priv->channel)) { | ||
1315 | priv->mesh_tlv = TLV_TYPE_MESH_ID; | ||
1316 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, | ||
1317 | priv->channel)) | ||
1318 | priv->mesh_tlv = 0; | ||
1319 | } | ||
1320 | } else if (priv->mesh_fw_ver == MESH_FW_NEW) { | ||
1321 | /* 10.0.0.pXX new firmwares should succeed with TLV | ||
1322 | * 0x100+37; Do not invoke command with old TLV. | ||
1323 | */ | ||
1324 | priv->mesh_tlv = TLV_TYPE_MESH_ID; | ||
1325 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, | ||
1326 | priv->channel)) | ||
1327 | priv->mesh_tlv = 0; | ||
1328 | } | ||
1329 | if (priv->mesh_tlv) { | ||
1330 | lbs_add_mesh(priv); | ||
1331 | |||
1332 | if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) | ||
1333 | lbs_pr_err("cannot register lbs_mesh attribute\n"); | ||
1334 | |||
1335 | /* While rtap isn't related to mesh, only mesh-enabled | ||
1336 | * firmware implements the rtap functionality via | ||
1337 | * CMD_802_11_MONITOR_MODE. | ||
1338 | */ | ||
1339 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) | 1103 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1340 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | 1104 | lbs_pr_err("cannot register lbs_rtap attribute\n"); |
1341 | } | 1105 | } |
@@ -1369,10 +1133,8 @@ void lbs_stop_card(struct lbs_private *priv) | |||
1369 | netif_carrier_off(dev); | 1133 | netif_carrier_off(dev); |
1370 | 1134 | ||
1371 | lbs_debugfs_remove_one(priv); | 1135 | lbs_debugfs_remove_one(priv); |
1372 | if (priv->mesh_tlv) { | 1136 | if (lbs_deinit_mesh(priv)) |
1373 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | ||
1374 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); | 1137 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
1375 | } | ||
1376 | 1138 | ||
1377 | /* Delete the timeout of the currently processing command */ | 1139 | /* Delete the timeout of the currently processing command */ |
1378 | del_timer_sync(&priv->command_timer); | 1140 | del_timer_sync(&priv->command_timer); |
@@ -1405,95 +1167,6 @@ out: | |||
1405 | EXPORT_SYMBOL_GPL(lbs_stop_card); | 1167 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
1406 | 1168 | ||
1407 | 1169 | ||
1408 | static const struct net_device_ops mesh_netdev_ops = { | ||
1409 | .ndo_open = lbs_dev_open, | ||
1410 | .ndo_stop = lbs_mesh_stop, | ||
1411 | .ndo_start_xmit = lbs_hard_start_xmit, | ||
1412 | .ndo_set_mac_address = lbs_set_mac_address, | ||
1413 | .ndo_set_multicast_list = lbs_set_multicast_list, | ||
1414 | }; | ||
1415 | |||
1416 | /** | ||
1417 | * @brief This function adds mshX interface | ||
1418 | * | ||
1419 | * @param priv A pointer to the struct lbs_private structure | ||
1420 | * @return 0 if successful, -X otherwise | ||
1421 | */ | ||
1422 | static int lbs_add_mesh(struct lbs_private *priv) | ||
1423 | { | ||
1424 | struct net_device *mesh_dev = NULL; | ||
1425 | int ret = 0; | ||
1426 | |||
1427 | lbs_deb_enter(LBS_DEB_MESH); | ||
1428 | |||
1429 | /* Allocate a virtual mesh device */ | ||
1430 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | ||
1431 | lbs_deb_mesh("init mshX device failed\n"); | ||
1432 | ret = -ENOMEM; | ||
1433 | goto done; | ||
1434 | } | ||
1435 | mesh_dev->ml_priv = priv; | ||
1436 | priv->mesh_dev = mesh_dev; | ||
1437 | |||
1438 | mesh_dev->netdev_ops = &mesh_netdev_ops; | ||
1439 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | ||
1440 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, | ||
1441 | sizeof(priv->dev->dev_addr)); | ||
1442 | |||
1443 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); | ||
1444 | |||
1445 | #ifdef WIRELESS_EXT | ||
1446 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; | ||
1447 | #endif | ||
1448 | mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | ||
1449 | /* Register virtual mesh interface */ | ||
1450 | ret = register_netdev(mesh_dev); | ||
1451 | if (ret) { | ||
1452 | lbs_pr_err("cannot register mshX virtual interface\n"); | ||
1453 | goto err_free; | ||
1454 | } | ||
1455 | |||
1456 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | ||
1457 | if (ret) | ||
1458 | goto err_unregister; | ||
1459 | |||
1460 | lbs_persist_config_init(mesh_dev); | ||
1461 | |||
1462 | /* Everything successful */ | ||
1463 | ret = 0; | ||
1464 | goto done; | ||
1465 | |||
1466 | err_unregister: | ||
1467 | unregister_netdev(mesh_dev); | ||
1468 | |||
1469 | err_free: | ||
1470 | free_netdev(mesh_dev); | ||
1471 | |||
1472 | done: | ||
1473 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | ||
1474 | return ret; | ||
1475 | } | ||
1476 | |||
1477 | static void lbs_remove_mesh(struct lbs_private *priv) | ||
1478 | { | ||
1479 | struct net_device *mesh_dev; | ||
1480 | |||
1481 | |||
1482 | mesh_dev = priv->mesh_dev; | ||
1483 | if (!mesh_dev) | ||
1484 | return; | ||
1485 | |||
1486 | lbs_deb_enter(LBS_DEB_MESH); | ||
1487 | netif_stop_queue(mesh_dev); | ||
1488 | netif_carrier_off(mesh_dev); | ||
1489 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); | ||
1490 | lbs_persist_config_remove(mesh_dev); | ||
1491 | unregister_netdev(mesh_dev); | ||
1492 | priv->mesh_dev = NULL; | ||
1493 | free_netdev(mesh_dev); | ||
1494 | lbs_deb_leave(LBS_DEB_MESH); | ||
1495 | } | ||
1496 | |||
1497 | void lbs_queue_event(struct lbs_private *priv, u32 event) | 1170 | void lbs_queue_event(struct lbs_private *priv, u32 event) |
1498 | { | 1171 | { |
1499 | unsigned long flags; | 1172 | unsigned long flags; |