Commit | Line | Data |
---|---|---|
876c9d3a MT |
1 | /** |
2 | * This file contains the major functions in WLAN | |
3 | * driver. It includes init, exit, open, close and main | |
4 | * thread etc.. | |
5 | */ | |
6 | ||
a46c6410 | 7 | #include <linux/moduleparam.h> |
876c9d3a MT |
8 | #include <linux/delay.h> |
9 | #include <linux/freezer.h> | |
10 | #include <linux/etherdevice.h> | |
11 | #include <linux/netdevice.h> | |
12 | #include <linux/if_arp.h> | |
13 | ||
14 | #include <net/iw_handler.h> | |
9012b28a | 15 | #include <net/ieee80211.h> |
876c9d3a MT |
16 | |
17 | #include "host.h" | |
876c9d3a MT |
18 | #include "decl.h" |
19 | #include "dev.h" | |
876c9d3a MT |
20 | #include "wext.h" |
21 | #include "debugfs.h" | |
22 | #include "assoc.h" | |
23 | ||
3ce40232 DW |
24 | #define DRIVER_RELEASE_VERSION "320.p0" |
25 | const char libertas_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION | |
26 | #ifdef DEBUG | |
27 | "-dbg" | |
28 | #endif | |
29 | ""; | |
30 | ||
a46c6410 HS |
31 | |
32 | /* Module parameters */ | |
33 | unsigned int libertas_debug = 0; | |
34 | module_param(libertas_debug, int, 0644); | |
084708b6 | 35 | EXPORT_SYMBOL_GPL(libertas_debug); |
a46c6410 HS |
36 | |
37 | ||
876c9d3a MT |
38 | #define WLAN_TX_PWR_DEFAULT 20 /*100mW */ |
39 | #define WLAN_TX_PWR_US_DEFAULT 20 /*100mW */ | |
40 | #define WLAN_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
41 | #define WLAN_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
42 | #define WLAN_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
43 | ||
44 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
45 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
46 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
47 | {1, 2412, WLAN_TX_PWR_US_DEFAULT}, | |
48 | {2, 2417, WLAN_TX_PWR_US_DEFAULT}, | |
49 | {3, 2422, WLAN_TX_PWR_US_DEFAULT}, | |
50 | {4, 2427, WLAN_TX_PWR_US_DEFAULT}, | |
51 | {5, 2432, WLAN_TX_PWR_US_DEFAULT}, | |
52 | {6, 2437, WLAN_TX_PWR_US_DEFAULT}, | |
53 | {7, 2442, WLAN_TX_PWR_US_DEFAULT}, | |
54 | {8, 2447, WLAN_TX_PWR_US_DEFAULT}, | |
55 | {9, 2452, WLAN_TX_PWR_US_DEFAULT}, | |
56 | {10, 2457, WLAN_TX_PWR_US_DEFAULT}, | |
57 | {11, 2462, WLAN_TX_PWR_US_DEFAULT} | |
58 | }; | |
59 | ||
60 | /* band: 'B/G', region: Europe ETSI */ | |
61 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
62 | {1, 2412, WLAN_TX_PWR_EMEA_DEFAULT}, | |
63 | {2, 2417, WLAN_TX_PWR_EMEA_DEFAULT}, | |
64 | {3, 2422, WLAN_TX_PWR_EMEA_DEFAULT}, | |
65 | {4, 2427, WLAN_TX_PWR_EMEA_DEFAULT}, | |
66 | {5, 2432, WLAN_TX_PWR_EMEA_DEFAULT}, | |
67 | {6, 2437, WLAN_TX_PWR_EMEA_DEFAULT}, | |
68 | {7, 2442, WLAN_TX_PWR_EMEA_DEFAULT}, | |
69 | {8, 2447, WLAN_TX_PWR_EMEA_DEFAULT}, | |
70 | {9, 2452, WLAN_TX_PWR_EMEA_DEFAULT}, | |
71 | {10, 2457, WLAN_TX_PWR_EMEA_DEFAULT}, | |
72 | {11, 2462, WLAN_TX_PWR_EMEA_DEFAULT}, | |
73 | {12, 2467, WLAN_TX_PWR_EMEA_DEFAULT}, | |
74 | {13, 2472, WLAN_TX_PWR_EMEA_DEFAULT} | |
75 | }; | |
76 | ||
77 | /* band: 'B/G', region: Spain */ | |
78 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
79 | {10, 2457, WLAN_TX_PWR_DEFAULT}, | |
80 | {11, 2462, WLAN_TX_PWR_DEFAULT} | |
81 | }; | |
82 | ||
83 | /* band: 'B/G', region: France */ | |
84 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
85 | {10, 2457, WLAN_TX_PWR_FR_DEFAULT}, | |
86 | {11, 2462, WLAN_TX_PWR_FR_DEFAULT}, | |
87 | {12, 2467, WLAN_TX_PWR_FR_DEFAULT}, | |
88 | {13, 2472, WLAN_TX_PWR_FR_DEFAULT} | |
89 | }; | |
90 | ||
91 | /* band: 'B/G', region: Japan */ | |
92 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
93 | {1, 2412, WLAN_TX_PWR_JP_DEFAULT}, | |
94 | {2, 2417, WLAN_TX_PWR_JP_DEFAULT}, | |
95 | {3, 2422, WLAN_TX_PWR_JP_DEFAULT}, | |
96 | {4, 2427, WLAN_TX_PWR_JP_DEFAULT}, | |
97 | {5, 2432, WLAN_TX_PWR_JP_DEFAULT}, | |
98 | {6, 2437, WLAN_TX_PWR_JP_DEFAULT}, | |
99 | {7, 2442, WLAN_TX_PWR_JP_DEFAULT}, | |
100 | {8, 2447, WLAN_TX_PWR_JP_DEFAULT}, | |
101 | {9, 2452, WLAN_TX_PWR_JP_DEFAULT}, | |
102 | {10, 2457, WLAN_TX_PWR_JP_DEFAULT}, | |
103 | {11, 2462, WLAN_TX_PWR_JP_DEFAULT}, | |
104 | {12, 2467, WLAN_TX_PWR_JP_DEFAULT}, | |
105 | {13, 2472, WLAN_TX_PWR_JP_DEFAULT}, | |
106 | {14, 2484, WLAN_TX_PWR_JP_DEFAULT} | |
107 | }; | |
108 | ||
109 | /** | |
110 | * the structure for channel, frequency and power | |
111 | */ | |
112 | struct region_cfp_table { | |
113 | u8 region; | |
114 | struct chan_freq_power *cfp_BG; | |
115 | int cfp_no_BG; | |
116 | }; | |
117 | ||
118 | /** | |
119 | * the structure for the mapping between region and CFP | |
120 | */ | |
121 | static struct region_cfp_table region_cfp_table[] = { | |
122 | {0x10, /*US FCC */ | |
123 | channel_freq_power_US_BG, | |
124 | sizeof(channel_freq_power_US_BG) / sizeof(struct chan_freq_power), | |
125 | } | |
126 | , | |
127 | {0x20, /*CANADA IC */ | |
128 | channel_freq_power_US_BG, | |
129 | sizeof(channel_freq_power_US_BG) / sizeof(struct chan_freq_power), | |
130 | } | |
131 | , | |
132 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
133 | sizeof(channel_freq_power_EU_BG) / sizeof(struct chan_freq_power), | |
134 | } | |
135 | , | |
136 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
137 | sizeof(channel_freq_power_SPN_BG) / sizeof(struct chan_freq_power), | |
138 | } | |
139 | , | |
140 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
141 | sizeof(channel_freq_power_FR_BG) / sizeof(struct chan_freq_power), | |
142 | } | |
143 | , | |
144 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
145 | sizeof(channel_freq_power_JPN_BG) / sizeof(struct chan_freq_power), | |
146 | } | |
147 | , | |
148 | /*Add new region here */ | |
149 | }; | |
150 | ||
876c9d3a MT |
151 | /** |
152 | * the rates supported | |
153 | */ | |
154 | u8 libertas_supported_rates[G_SUPPORTED_RATES] = | |
155 | { 0x82, 0x84, 0x8b, 0x96, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, | |
156 | 0 }; | |
157 | ||
158 | /** | |
159 | * the rates supported for ad-hoc G mode | |
160 | */ | |
161 | u8 libertas_adhoc_rates_g[G_SUPPORTED_RATES] = | |
162 | { 0x82, 0x84, 0x8b, 0x96, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, | |
163 | 0 }; | |
164 | ||
165 | /** | |
166 | * the rates supported for ad-hoc B mode | |
167 | */ | |
168 | u8 libertas_adhoc_rates_b[4] = { 0x82, 0x84, 0x8b, 0x96 }; | |
169 | ||
876c9d3a MT |
170 | /** |
171 | * the table to keep region code | |
172 | */ | |
173 | u16 libertas_region_code_to_index[MRVDRV_MAX_REGION_CODE] = | |
174 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; | |
175 | ||
876c9d3a MT |
176 | /** |
177 | * Attributes exported through sysfs | |
178 | */ | |
876c9d3a MT |
179 | |
180 | /** | |
181 | * @brief Get function for sysfs attribute libertas_mpp | |
182 | */ | |
b3f1b8cf JL |
183 | static ssize_t libertas_mpp_get(struct device * dev, |
184 | struct device_attribute *attr, char * buf) { | |
876c9d3a MT |
185 | struct cmd_ds_mesh_access mesh_access; |
186 | ||
187 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
188 | libertas_prepare_and_send_command(to_net_dev(dev)->priv, | |
189 | cmd_mesh_access, | |
190 | cmd_act_mesh_get_mpp, | |
191 | cmd_option_waitforrsp, 0, (void *)&mesh_access); | |
192 | ||
193 | return snprintf(buf, 3, "%d\n", mesh_access.data[0]); | |
194 | } | |
195 | ||
196 | /** | |
197 | * @brief Set function for sysfs attribute libertas_mpp | |
198 | */ | |
b3f1b8cf JL |
199 | static ssize_t libertas_mpp_set(struct device * dev, |
200 | struct device_attribute *attr, const char * buf, size_t count) { | |
876c9d3a MT |
201 | struct cmd_ds_mesh_access mesh_access; |
202 | ||
876c9d3a MT |
203 | memset(&mesh_access, 0, sizeof(mesh_access)); |
204 | sscanf(buf, "%d", &(mesh_access.data[0])); | |
205 | libertas_prepare_and_send_command((to_net_dev(dev))->priv, | |
206 | cmd_mesh_access, | |
207 | cmd_act_mesh_set_mpp, | |
208 | cmd_option_waitforrsp, 0, (void *)&mesh_access); | |
209 | return strlen(buf); | |
210 | } | |
211 | ||
212 | /** | |
213 | * libertas_mpp attribute to be exported per mshX interface | |
214 | * through sysfs (/sys/class/net/mshX/libertas-mpp) | |
215 | */ | |
b3f1b8cf | 216 | static DEVICE_ATTR(libertas_mpp, 0644, libertas_mpp_get, |
876c9d3a MT |
217 | libertas_mpp_set ); |
218 | ||
219 | /** | |
220 | * @brief Check if the device can be open and wait if necessary. | |
221 | * | |
222 | * @param dev A pointer to net_device structure | |
223 | * @return 0 | |
224 | * | |
225 | * For USB adapter, on some systems the device open handler will be | |
226 | * called before FW ready. Use the following flag check and wait | |
227 | * function to work around the issue. | |
228 | * | |
229 | */ | |
9012b28a HS |
230 | static int pre_open_check(struct net_device *dev) |
231 | { | |
876c9d3a MT |
232 | wlan_private *priv = (wlan_private *) dev->priv; |
233 | wlan_adapter *adapter = priv->adapter; | |
234 | int i = 0; | |
235 | ||
236 | while (!adapter->fw_ready && i < 20) { | |
237 | i++; | |
238 | msleep_interruptible(100); | |
239 | } | |
240 | if (!adapter->fw_ready) { | |
9012b28a | 241 | lbs_pr_err("firmware not ready\n"); |
876c9d3a MT |
242 | return -1; |
243 | } | |
244 | ||
245 | return 0; | |
246 | } | |
247 | ||
248 | /** | |
249 | * @brief This function opens the device | |
250 | * | |
251 | * @param dev A pointer to net_device structure | |
252 | * @return 0 | |
253 | */ | |
254 | static int wlan_dev_open(struct net_device *dev) | |
255 | { | |
256 | wlan_private *priv = (wlan_private *) dev->priv; | |
257 | wlan_adapter *adapter = priv->adapter; | |
258 | ||
9012b28a | 259 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
260 | |
261 | priv->open = 1; | |
262 | ||
263 | if (adapter->connect_status == libertas_connected) { | |
264 | netif_carrier_on(priv->wlan_dev.netdev); | |
51d84f50 JC |
265 | netif_carrier_on(priv->mesh_dev); |
266 | } else { | |
876c9d3a | 267 | netif_carrier_off(priv->wlan_dev.netdev); |
51d84f50 JC |
268 | netif_carrier_off(priv->mesh_dev); |
269 | } | |
876c9d3a | 270 | |
9012b28a | 271 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
272 | return 0; |
273 | } | |
274 | /** | |
275 | * @brief This function opens the mshX interface | |
276 | * | |
277 | * @param dev A pointer to net_device structure | |
278 | * @return 0 | |
279 | */ | |
280 | static int mesh_open(struct net_device *dev) | |
281 | { | |
282 | wlan_private *priv = (wlan_private *) dev->priv ; | |
283 | ||
78523daa | 284 | if (pre_open_check(dev) == -1) |
876c9d3a MT |
285 | return -1; |
286 | priv->mesh_open = 1 ; | |
51d84f50 | 287 | netif_wake_queue(priv->mesh_dev); |
876c9d3a MT |
288 | if (priv->infra_open == 0) |
289 | return wlan_dev_open(priv->wlan_dev.netdev) ; | |
290 | return 0; | |
291 | } | |
292 | ||
293 | /** | |
294 | * @brief This function opens the ethX interface | |
295 | * | |
296 | * @param dev A pointer to net_device structure | |
297 | * @return 0 | |
298 | */ | |
299 | static int wlan_open(struct net_device *dev) | |
300 | { | |
301 | wlan_private *priv = (wlan_private *) dev->priv ; | |
302 | ||
303 | if(pre_open_check(dev) == -1) | |
304 | return -1; | |
305 | priv->infra_open = 1 ; | |
306 | netif_wake_queue(priv->wlan_dev.netdev); | |
307 | if (priv->open == 0) | |
308 | return wlan_dev_open(priv->wlan_dev.netdev) ; | |
309 | return 0; | |
310 | } | |
311 | ||
312 | static int wlan_dev_close(struct net_device *dev) | |
313 | { | |
314 | wlan_private *priv = dev->priv; | |
315 | ||
9012b28a | 316 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
317 | |
318 | netif_carrier_off(priv->wlan_dev.netdev); | |
51d84f50 | 319 | netif_carrier_off(priv->mesh_dev); |
876c9d3a MT |
320 | priv->open = 0; |
321 | ||
9012b28a | 322 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
323 | return 0; |
324 | } | |
325 | ||
326 | /** | |
327 | * @brief This function closes the mshX interface | |
328 | * | |
329 | * @param dev A pointer to net_device structure | |
330 | * @return 0 | |
331 | */ | |
332 | static int mesh_close(struct net_device *dev) | |
333 | { | |
334 | wlan_private *priv = (wlan_private *) (dev->priv); | |
335 | ||
336 | priv->mesh_open = 0; | |
337 | netif_stop_queue(priv->mesh_dev); | |
338 | if (priv->infra_open == 0) | |
339 | return wlan_dev_close( ((wlan_private *) dev->priv)->wlan_dev.netdev) ; | |
340 | else | |
341 | return 0; | |
342 | } | |
343 | ||
344 | /** | |
345 | * @brief This function closes the ethX interface | |
346 | * | |
347 | * @param dev A pointer to net_device structure | |
348 | * @return 0 | |
349 | */ | |
78523daa HS |
350 | static int wlan_close(struct net_device *dev) |
351 | { | |
876c9d3a MT |
352 | wlan_private *priv = (wlan_private *) dev->priv; |
353 | ||
354 | netif_stop_queue(priv->wlan_dev.netdev); | |
355 | priv->infra_open = 0; | |
356 | if (priv->mesh_open == 0) | |
357 | return wlan_dev_close( ((wlan_private *) dev->priv)->wlan_dev.netdev) ; | |
358 | else | |
359 | return 0; | |
360 | } | |
361 | ||
362 | ||
876c9d3a MT |
363 | static int wlan_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
364 | { | |
365 | int ret = 0; | |
366 | wlan_private *priv = dev->priv; | |
367 | ||
9012b28a | 368 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
369 | |
370 | if (priv->wlan_dev.dnld_sent || priv->adapter->TxLockFlag) { | |
371 | priv->stats.tx_dropped++; | |
372 | goto done; | |
373 | } | |
374 | ||
375 | netif_stop_queue(priv->wlan_dev.netdev); | |
51d84f50 | 376 | netif_stop_queue(priv->mesh_dev); |
876c9d3a MT |
377 | |
378 | if (libertas_process_tx(priv, skb) == 0) | |
379 | dev->trans_start = jiffies; | |
380 | done: | |
9012b28a | 381 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
382 | return ret; |
383 | } | |
384 | ||
385 | /** | |
386 | * @brief Mark mesh packets and handover them to wlan_hard_start_xmit | |
387 | * | |
388 | */ | |
389 | static int mesh_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
390 | { | |
391 | wlan_private *priv = dev->priv; | |
9012b28a HS |
392 | int ret; |
393 | ||
394 | lbs_deb_enter(LBS_DEB_MESH); | |
395 | ||
876c9d3a | 396 | SET_MESH_FRAME(skb); |
876c9d3a | 397 | |
9012b28a HS |
398 | ret = wlan_hard_start_xmit(skb, priv->wlan_dev.netdev); |
399 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
400 | return ret; | |
876c9d3a MT |
401 | } |
402 | ||
403 | /** | |
404 | * @brief Mark non-mesh packets and handover them to wlan_hard_start_xmit | |
405 | * | |
406 | */ | |
9012b28a HS |
407 | static int wlan_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) |
408 | { | |
409 | int ret; | |
410 | ||
411 | lbs_deb_enter(LBS_DEB_NET); | |
412 | ||
876c9d3a | 413 | UNSET_MESH_FRAME(skb); |
9012b28a HS |
414 | |
415 | ret = wlan_hard_start_xmit(skb, dev); | |
416 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
417 | return ret; | |
876c9d3a MT |
418 | } |
419 | ||
420 | static void wlan_tx_timeout(struct net_device *dev) | |
421 | { | |
422 | wlan_private *priv = (wlan_private *) dev->priv; | |
423 | ||
9012b28a | 424 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 425 | |
9012b28a | 426 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a MT |
427 | |
428 | priv->wlan_dev.dnld_sent = DNLD_RES_RECEIVED; | |
429 | dev->trans_start = jiffies; | |
430 | ||
431 | if (priv->adapter->currenttxskb) { | |
432 | if (priv->adapter->radiomode == WLAN_RADIOMODE_RADIOTAP) { | |
433 | /* If we are here, we have not received feedback from | |
434 | the previous packet. Assume TX_FAIL and move on. */ | |
435 | priv->adapter->eventcause = 0x01000000; | |
436 | libertas_send_tx_feedback(priv); | |
437 | } else | |
438 | wake_up_interruptible(&priv->mainthread.waitq); | |
51d84f50 | 439 | } else if (priv->adapter->connect_status == libertas_connected) { |
876c9d3a | 440 | netif_wake_queue(priv->wlan_dev.netdev); |
51d84f50 JC |
441 | netif_wake_queue(priv->mesh_dev); |
442 | } | |
876c9d3a | 443 | |
9012b28a | 444 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
445 | } |
446 | ||
447 | /** | |
448 | * @brief This function returns the network statistics | |
449 | * | |
450 | * @param dev A pointer to wlan_private structure | |
451 | * @return A pointer to net_device_stats structure | |
452 | */ | |
453 | static struct net_device_stats *wlan_get_stats(struct net_device *dev) | |
454 | { | |
455 | wlan_private *priv = (wlan_private *) dev->priv; | |
456 | ||
457 | return &priv->stats; | |
458 | } | |
459 | ||
460 | static int wlan_set_mac_address(struct net_device *dev, void *addr) | |
461 | { | |
462 | int ret = 0; | |
463 | wlan_private *priv = (wlan_private *) dev->priv; | |
464 | wlan_adapter *adapter = priv->adapter; | |
465 | struct sockaddr *phwaddr = addr; | |
466 | ||
9012b28a | 467 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
468 | |
469 | memset(adapter->current_addr, 0, ETH_ALEN); | |
470 | ||
471 | /* dev->dev_addr is 8 bytes */ | |
472 | lbs_dbg_hex("dev->dev_addr:", dev->dev_addr, ETH_ALEN); | |
473 | ||
474 | lbs_dbg_hex("addr:", phwaddr->sa_data, ETH_ALEN); | |
475 | memcpy(adapter->current_addr, phwaddr->sa_data, ETH_ALEN); | |
476 | ||
477 | ret = libertas_prepare_and_send_command(priv, cmd_802_11_mac_address, | |
478 | cmd_act_set, | |
479 | cmd_option_waitforrsp, 0, NULL); | |
480 | ||
481 | if (ret) { | |
9012b28a | 482 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
483 | ret = -1; |
484 | goto done; | |
485 | } | |
486 | ||
487 | lbs_dbg_hex("adapter->macaddr:", adapter->current_addr, ETH_ALEN); | |
488 | memcpy(dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
78523daa HS |
489 | if (priv->mesh_dev) |
490 | memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
876c9d3a MT |
491 | |
492 | done: | |
9012b28a | 493 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
494 | return ret; |
495 | } | |
496 | ||
497 | static int wlan_copy_multicast_address(wlan_adapter * adapter, | |
498 | struct net_device *dev) | |
499 | { | |
500 | int i = 0; | |
501 | struct dev_mc_list *mcptr = dev->mc_list; | |
502 | ||
503 | for (i = 0; i < dev->mc_count; i++) { | |
504 | memcpy(&adapter->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); | |
505 | mcptr = mcptr->next; | |
506 | } | |
507 | ||
508 | return i; | |
509 | ||
510 | } | |
511 | ||
512 | static void wlan_set_multicast_list(struct net_device *dev) | |
513 | { | |
514 | wlan_private *priv = dev->priv; | |
515 | wlan_adapter *adapter = priv->adapter; | |
516 | int oldpacketfilter; | |
517 | ||
9012b28a | 518 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
519 | |
520 | oldpacketfilter = adapter->currentpacketfilter; | |
521 | ||
522 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 523 | lbs_deb_net("enable promiscuous mode\n"); |
876c9d3a MT |
524 | adapter->currentpacketfilter |= |
525 | cmd_act_mac_promiscuous_enable; | |
526 | adapter->currentpacketfilter &= | |
527 | ~(cmd_act_mac_all_multicast_enable | | |
528 | cmd_act_mac_multicast_enable); | |
529 | } else { | |
530 | /* Multicast */ | |
531 | adapter->currentpacketfilter &= | |
532 | ~cmd_act_mac_promiscuous_enable; | |
533 | ||
534 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
535 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 536 | lbs_deb_net( "enabling all multicast\n"); |
876c9d3a MT |
537 | adapter->currentpacketfilter |= |
538 | cmd_act_mac_all_multicast_enable; | |
539 | adapter->currentpacketfilter &= | |
540 | ~cmd_act_mac_multicast_enable; | |
541 | } else { | |
542 | adapter->currentpacketfilter &= | |
543 | ~cmd_act_mac_all_multicast_enable; | |
544 | ||
545 | if (!dev->mc_count) { | |
9012b28a HS |
546 | lbs_deb_net("no multicast addresses, " |
547 | "disabling multicast\n"); | |
876c9d3a MT |
548 | adapter->currentpacketfilter &= |
549 | ~cmd_act_mac_multicast_enable; | |
550 | } else { | |
551 | int i; | |
552 | ||
553 | adapter->currentpacketfilter |= | |
554 | cmd_act_mac_multicast_enable; | |
555 | ||
556 | adapter->nr_of_multicastmacaddr = | |
557 | wlan_copy_multicast_address(adapter, dev); | |
558 | ||
9012b28a | 559 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
560 | dev->mc_count); |
561 | ||
562 | for (i = 0; i < dev->mc_count; i++) { | |
9012b28a HS |
563 | lbs_deb_net("Multicast address %d:" |
564 | MAC_FMT "\n", i, | |
876c9d3a MT |
565 | adapter->multicastlist[i][0], |
566 | adapter->multicastlist[i][1], | |
567 | adapter->multicastlist[i][2], | |
568 | adapter->multicastlist[i][3], | |
569 | adapter->multicastlist[i][4], | |
570 | adapter->multicastlist[i][5]); | |
571 | } | |
9012b28a | 572 | /* send multicast addresses to firmware */ |
876c9d3a MT |
573 | libertas_prepare_and_send_command(priv, |
574 | cmd_mac_multicast_adr, | |
575 | cmd_act_set, 0, 0, | |
576 | NULL); | |
577 | } | |
578 | } | |
579 | } | |
580 | ||
581 | if (adapter->currentpacketfilter != oldpacketfilter) { | |
582 | libertas_set_mac_packet_filter(priv); | |
583 | } | |
584 | ||
9012b28a | 585 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
586 | } |
587 | ||
588 | /** | |
9012b28a HS |
589 | * @brief This function handles the major jobs in the WLAN driver. |
590 | * It handles all events generated by firmware, RX data received | |
591 | * from firmware and TX data sent from kernel. | |
876c9d3a MT |
592 | * |
593 | * @param data A pointer to wlan_thread structure | |
594 | * @return 0 | |
595 | */ | |
596 | static int wlan_service_main_thread(void *data) | |
597 | { | |
598 | struct wlan_thread *thread = data; | |
599 | wlan_private *priv = thread->priv; | |
600 | wlan_adapter *adapter = priv->adapter; | |
601 | wait_queue_t wait; | |
602 | u8 ireg = 0; | |
603 | ||
9012b28a | 604 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a MT |
605 | |
606 | wlan_activate_thread(thread); | |
607 | ||
608 | init_waitqueue_entry(&wait, current); | |
609 | ||
610 | for (;;) { | |
9012b28a | 611 | lbs_deb_thread( "main-thread 111: intcounter=%d " |
876c9d3a MT |
612 | "currenttxskb=%p dnld_sent=%d\n", |
613 | adapter->intcounter, | |
614 | adapter->currenttxskb, priv->wlan_dev.dnld_sent); | |
615 | ||
616 | add_wait_queue(&thread->waitq, &wait); | |
617 | set_current_state(TASK_INTERRUPTIBLE); | |
618 | spin_lock_irq(&adapter->driver_lock); | |
619 | if ((adapter->psstate == PS_STATE_SLEEP) || | |
620 | (!adapter->intcounter | |
621 | && (priv->wlan_dev.dnld_sent || adapter->cur_cmd || | |
622 | list_empty(&adapter->cmdpendingq)))) { | |
9012b28a | 623 | lbs_deb_thread( |
876c9d3a MT |
624 | "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
625 | adapter->connect_status, adapter->intcounter, | |
626 | adapter->psmode, adapter->psstate); | |
627 | spin_unlock_irq(&adapter->driver_lock); | |
628 | schedule(); | |
629 | } else | |
630 | spin_unlock_irq(&adapter->driver_lock); | |
631 | ||
632 | ||
9012b28a | 633 | lbs_deb_thread( |
876c9d3a MT |
634 | "main-thread 222 (waking up): intcounter=%d currenttxskb=%p " |
635 | "dnld_sent=%d\n", adapter->intcounter, | |
636 | adapter->currenttxskb, priv->wlan_dev.dnld_sent); | |
637 | ||
638 | set_current_state(TASK_RUNNING); | |
639 | remove_wait_queue(&thread->waitq, &wait); | |
640 | try_to_freeze(); | |
641 | ||
9012b28a | 642 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
643 | "dnld_sent=%d\n", |
644 | adapter->intcounter, | |
645 | adapter->currenttxskb, priv->wlan_dev.dnld_sent); | |
646 | ||
647 | if (kthread_should_stop() | |
648 | || adapter->surpriseremoved) { | |
9012b28a | 649 | lbs_deb_thread( |
876c9d3a MT |
650 | "main-thread: break from main thread: surpriseremoved=0x%x\n", |
651 | adapter->surpriseremoved); | |
652 | break; | |
653 | } | |
654 | ||
655 | ||
656 | spin_lock_irq(&adapter->driver_lock); | |
657 | if (adapter->intcounter) { | |
658 | u8 int_status; | |
659 | adapter->intcounter = 0; | |
208fdd2f | 660 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
661 | |
662 | if (int_status) { | |
9012b28a | 663 | lbs_deb_thread( |
876c9d3a MT |
664 | "main-thread: reading HOST_INT_STATUS_REG failed\n"); |
665 | spin_unlock_irq(&adapter->driver_lock); | |
666 | continue; | |
667 | } | |
668 | adapter->hisregcpy |= ireg; | |
669 | } | |
670 | ||
9012b28a | 671 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
672 | "dnld_sent=%d\n", |
673 | adapter->intcounter, | |
674 | adapter->currenttxskb, priv->wlan_dev.dnld_sent); | |
675 | ||
676 | /* command response? */ | |
677 | if (adapter->hisregcpy & his_cmdupldrdy) { | |
9012b28a | 678 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a MT |
679 | |
680 | adapter->hisregcpy &= ~his_cmdupldrdy; | |
681 | spin_unlock_irq(&adapter->driver_lock); | |
682 | libertas_process_rx_command(priv); | |
683 | spin_lock_irq(&adapter->driver_lock); | |
684 | } | |
685 | ||
686 | /* Any Card Event */ | |
687 | if (adapter->hisregcpy & his_cardevent) { | |
9012b28a | 688 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a MT |
689 | |
690 | adapter->hisregcpy &= ~his_cardevent; | |
691 | ||
208fdd2f | 692 | if (priv->hw_read_event_cause(priv)) { |
876c9d3a | 693 | lbs_pr_alert( |
208fdd2f | 694 | "main-thread: hw_read_event_cause failed\n"); |
876c9d3a MT |
695 | spin_unlock_irq(&adapter->driver_lock); |
696 | continue; | |
697 | } | |
698 | spin_unlock_irq(&adapter->driver_lock); | |
699 | libertas_process_event(priv); | |
700 | } else | |
701 | spin_unlock_irq(&adapter->driver_lock); | |
702 | ||
703 | /* Check if we need to confirm Sleep Request received previously */ | |
704 | if (adapter->psstate == PS_STATE_PRE_SLEEP) { | |
705 | if (!priv->wlan_dev.dnld_sent && !adapter->cur_cmd) { | |
706 | if (adapter->connect_status == | |
707 | libertas_connected) { | |
9012b28a | 708 | lbs_deb_thread( |
876c9d3a MT |
709 | "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p " |
710 | "dnld_sent=%d cur_cmd=%p, confirm now\n", | |
711 | adapter->intcounter, | |
712 | adapter->currenttxskb, | |
713 | priv->wlan_dev.dnld_sent, | |
714 | adapter->cur_cmd); | |
715 | ||
716 | libertas_ps_confirm_sleep(priv, | |
717 | (u16) adapter->psmode); | |
718 | } else { | |
719 | /* workaround for firmware sending | |
720 | * deauth/linkloss event immediately | |
721 | * after sleep request, remove this | |
722 | * after firmware fixes it | |
723 | */ | |
724 | adapter->psstate = PS_STATE_AWAKE; | |
725 | lbs_pr_alert( | |
726 | "main-thread: ignore PS_SleepConfirm in non-connected state\n"); | |
727 | } | |
728 | } | |
729 | } | |
730 | ||
731 | /* The PS state is changed during processing of Sleep Request | |
732 | * event above | |
733 | */ | |
734 | if ((priv->adapter->psstate == PS_STATE_SLEEP) || | |
735 | (priv->adapter->psstate == PS_STATE_PRE_SLEEP)) | |
736 | continue; | |
737 | ||
738 | /* Execute the next command */ | |
739 | if (!priv->wlan_dev.dnld_sent && !priv->adapter->cur_cmd) | |
740 | libertas_execute_next_command(priv); | |
741 | ||
742 | /* Wake-up command waiters which can't sleep in | |
743 | * libertas_prepare_and_send_command | |
744 | */ | |
745 | if (!adapter->nr_cmd_pending) | |
746 | wake_up_all(&adapter->cmd_pending); | |
747 | ||
748 | libertas_tx_runqueue(priv); | |
749 | } | |
750 | ||
751 | del_timer(&adapter->command_timer); | |
752 | adapter->nr_cmd_pending = 0; | |
753 | wake_up_all(&adapter->cmd_pending); | |
754 | wlan_deactivate_thread(thread); | |
755 | ||
9012b28a | 756 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
757 | return 0; |
758 | } | |
759 | ||
760 | /** | |
761 | * @brief This function adds the card. it will probe the | |
762 | * card, allocate the wlan_priv and initialize the device. | |
763 | * | |
764 | * @param card A pointer to card | |
765 | * @return A pointer to wlan_private structure | |
766 | */ | |
084708b6 | 767 | wlan_private *libertas_add_card(void *card) |
876c9d3a MT |
768 | { |
769 | struct net_device *dev = NULL; | |
876c9d3a MT |
770 | wlan_private *priv = NULL; |
771 | ||
9012b28a | 772 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
773 | |
774 | /* Allocate an Ethernet device and register it */ | |
775 | if (!(dev = alloc_etherdev(sizeof(wlan_private)))) { | |
9012b28a | 776 | lbs_pr_err("init ethX device failed\n"); |
876c9d3a MT |
777 | return NULL; |
778 | } | |
876c9d3a MT |
779 | priv = dev->priv; |
780 | ||
781 | /* allocate buffer for wlan_adapter */ | |
fb3dddf2 | 782 | if (!(priv->adapter = kzalloc(sizeof(wlan_adapter), GFP_KERNEL))) { |
9012b28a | 783 | lbs_pr_err("allocate buffer for wlan_adapter failed\n"); |
fb3dddf2 | 784 | goto err_kzalloc; |
876c9d3a MT |
785 | } |
786 | ||
876c9d3a MT |
787 | priv->wlan_dev.netdev = dev; |
788 | priv->wlan_dev.card = card; | |
789 | priv->mesh_open = 0; | |
790 | priv->infra_open = 0; | |
876c9d3a MT |
791 | |
792 | SET_MODULE_OWNER(dev); | |
876c9d3a MT |
793 | |
794 | /* Setup the OS Interface to our functions */ | |
795 | dev->open = wlan_open; | |
796 | dev->hard_start_xmit = wlan_pre_start_xmit; | |
797 | dev->stop = wlan_close; | |
798 | dev->do_ioctl = libertas_do_ioctl; | |
799 | dev->set_mac_address = wlan_set_mac_address; | |
876c9d3a MT |
800 | dev->tx_timeout = wlan_tx_timeout; |
801 | dev->get_stats = wlan_get_stats; | |
fb3dddf2 | 802 | dev->watchdog_timeo = 5 * HZ; |
876c9d3a | 803 | dev->ethtool_ops = &libertas_ethtool_ops; |
876c9d3a MT |
804 | #ifdef WIRELESS_EXT |
805 | dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def; | |
876c9d3a MT |
806 | #endif |
807 | #define NETIF_F_DYNALLOC 16 | |
808 | dev->features |= NETIF_F_DYNALLOC; | |
809 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
810 | dev->set_multicast_list = wlan_set_multicast_list; | |
811 | ||
812 | INIT_LIST_HEAD(&priv->adapter->cmdfreeq); | |
813 | INIT_LIST_HEAD(&priv->adapter->cmdpendingq); | |
814 | ||
815 | spin_lock_init(&priv->adapter->driver_lock); | |
816 | init_waitqueue_head(&priv->adapter->cmd_pending); | |
817 | priv->adapter->nr_cmd_pending = 0; | |
32a74b7c HS |
818 | goto done; |
819 | ||
820 | err_kzalloc: | |
821 | free_netdev(dev); | |
6a812157 | 822 | priv = NULL; |
32a74b7c HS |
823 | done: |
824 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
825 | return priv; | |
826 | } | |
084708b6 | 827 | EXPORT_SYMBOL_GPL(libertas_add_card); |
32a74b7c | 828 | |
084708b6 | 829 | int libertas_activate_card(wlan_private *priv, char *fw_name) |
32a74b7c HS |
830 | { |
831 | struct net_device *dev = priv->wlan_dev.netdev; | |
832 | int ret = -1; | |
833 | ||
834 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 835 | |
9012b28a | 836 | lbs_deb_thread("Starting kthread...\n"); |
876c9d3a MT |
837 | priv->mainthread.priv = priv; |
838 | wlan_create_thread(wlan_service_main_thread, | |
839 | &priv->mainthread, "wlan_main_service"); | |
840 | ||
841 | priv->assoc_thread = | |
842 | create_singlethread_workqueue("libertas_assoc"); | |
eb3ce631 | 843 | INIT_DELAYED_WORK(&priv->assoc_work, libertas_association_worker); |
876c9d3a MT |
844 | |
845 | /* | |
846 | * Register the device. Fillup the private data structure with | |
847 | * relevant information from the card and request for the required | |
848 | * IRQ. | |
849 | */ | |
208fdd2f | 850 | if (priv->hw_register_dev(priv) < 0) { |
9012b28a | 851 | lbs_pr_err("failed to register WLAN device\n"); |
876c9d3a MT |
852 | goto err_registerdev; |
853 | } | |
854 | ||
855 | /* init FW and HW */ | |
084708b6 | 856 | if (fw_name && libertas_init_fw(priv, fw_name)) { |
9012b28a | 857 | lbs_pr_err("firmware init failed\n"); |
876c9d3a MT |
858 | goto err_registerdev; |
859 | } | |
860 | ||
861 | if (register_netdev(dev)) { | |
9012b28a | 862 | lbs_pr_err("cannot register ethX device\n"); |
876c9d3a MT |
863 | goto err_init_fw; |
864 | } | |
865 | ||
9012b28a | 866 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
876c9d3a MT |
867 | |
868 | libertas_debugfs_init_one(priv, dev); | |
869 | ||
32a74b7c HS |
870 | ret = 0; |
871 | goto done; | |
876c9d3a | 872 | |
876c9d3a | 873 | err_init_fw: |
208fdd2f | 874 | priv->hw_unregister_dev(priv); |
876c9d3a MT |
875 | err_registerdev: |
876 | destroy_workqueue(priv->assoc_thread); | |
877 | /* Stop the thread servicing the interrupts */ | |
878 | wake_up_interruptible(&priv->mainthread.waitq); | |
879 | wlan_terminate_thread(&priv->mainthread); | |
880 | kfree(priv->adapter); | |
876c9d3a | 881 | free_netdev(dev); |
32a74b7c HS |
882 | done: |
883 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
884 | return ret; | |
876c9d3a | 885 | } |
084708b6 HS |
886 | EXPORT_SYMBOL_GPL(libertas_activate_card); |
887 | ||
876c9d3a | 888 | |
78523daa HS |
889 | /** |
890 | * @brief This function adds mshX interface | |
891 | * | |
892 | * @param priv A pointer to the wlan_private structure | |
893 | * @return 0 if successful, -X otherwise | |
894 | */ | |
084708b6 | 895 | int libertas_add_mesh(wlan_private *priv) |
78523daa HS |
896 | { |
897 | struct net_device *mesh_dev = NULL; | |
898 | int ret = 0; | |
899 | ||
900 | lbs_deb_enter(LBS_DEB_MESH); | |
901 | ||
902 | /* Allocate a virtual mesh device */ | |
903 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
904 | lbs_deb_mesh("init mshX device failed\n"); | |
905 | ret = -ENOMEM; | |
906 | goto done; | |
907 | } | |
908 | mesh_dev->priv = priv; | |
909 | priv->mesh_dev = mesh_dev; | |
910 | ||
911 | SET_MODULE_OWNER(mesh_dev); | |
912 | ||
913 | mesh_dev->open = mesh_open; | |
914 | mesh_dev->hard_start_xmit = mesh_pre_start_xmit; | |
915 | mesh_dev->stop = mesh_close; | |
916 | mesh_dev->do_ioctl = libertas_do_ioctl; | |
917 | mesh_dev->get_stats = wlan_get_stats; | |
918 | mesh_dev->ethtool_ops = &libertas_ethtool_ops; | |
919 | memcpy(mesh_dev->dev_addr, priv->wlan_dev.netdev->dev_addr, | |
920 | sizeof(priv->wlan_dev.netdev->dev_addr)); | |
921 | ||
922 | #ifdef WIRELESS_EXT | |
923 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def; | |
924 | #endif | |
925 | #define NETIF_F_DYNALLOC 16 | |
926 | ||
927 | /* Register virtual mesh interface */ | |
928 | ret = register_netdev(mesh_dev); | |
929 | if (ret) { | |
930 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
931 | goto err_free; | |
932 | } | |
933 | ||
934 | ret = device_create_file(&(mesh_dev->dev), &dev_attr_libertas_mpp); | |
935 | if (ret) | |
936 | goto err_unregister; | |
937 | ||
938 | /* Everything successful */ | |
939 | ret = 0; | |
940 | goto done; | |
941 | ||
942 | ||
943 | err_unregister: | |
944 | unregister_netdev(mesh_dev); | |
945 | ||
946 | err_free: | |
947 | free_netdev(mesh_dev); | |
948 | ||
949 | done: | |
950 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
951 | return ret; | |
952 | } | |
084708b6 | 953 | EXPORT_SYMBOL_GPL(libertas_add_mesh); |
78523daa | 954 | |
876c9d3a MT |
955 | static void wake_pending_cmdnodes(wlan_private *priv) |
956 | { | |
957 | struct cmd_ctrl_node *cmdnode; | |
958 | unsigned long flags; | |
959 | ||
9012b28a HS |
960 | lbs_deb_enter(LBS_DEB_CMD); |
961 | ||
876c9d3a MT |
962 | spin_lock_irqsave(&priv->adapter->driver_lock, flags); |
963 | list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) { | |
964 | cmdnode->cmdwaitqwoken = 1; | |
965 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
966 | } | |
967 | spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); | |
968 | } | |
969 | ||
970 | ||
084708b6 | 971 | int libertas_remove_card(wlan_private *priv) |
876c9d3a | 972 | { |
876c9d3a MT |
973 | wlan_adapter *adapter; |
974 | struct net_device *dev; | |
876c9d3a | 975 | union iwreq_data wrqu; |
876c9d3a | 976 | |
9012b28a | 977 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 978 | |
9012b28a HS |
979 | if (!priv) |
980 | goto out; | |
876c9d3a MT |
981 | |
982 | adapter = priv->adapter; | |
983 | ||
9012b28a HS |
984 | if (!adapter) |
985 | goto out; | |
876c9d3a MT |
986 | |
987 | dev = priv->wlan_dev.netdev; | |
876c9d3a | 988 | |
876c9d3a MT |
989 | netif_stop_queue(priv->wlan_dev.netdev); |
990 | netif_carrier_off(priv->wlan_dev.netdev); | |
991 | ||
992 | wake_pending_cmdnodes(priv); | |
993 | ||
876c9d3a MT |
994 | unregister_netdev(dev); |
995 | ||
996 | cancel_delayed_work(&priv->assoc_work); | |
997 | destroy_workqueue(priv->assoc_thread); | |
998 | ||
999 | if (adapter->psmode == wlan802_11powermodemax_psp) { | |
1000 | adapter->psmode = wlan802_11powermodecam; | |
1001 | libertas_ps_wakeup(priv, cmd_option_waitforrsp); | |
1002 | } | |
1003 | ||
1004 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); | |
1005 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1006 | wireless_send_event(priv->wlan_dev.netdev, SIOCGIWAP, &wrqu, NULL); | |
1007 | ||
876c9d3a MT |
1008 | adapter->surpriseremoved = 1; |
1009 | ||
1010 | /* Stop the thread servicing the interrupts */ | |
1011 | wlan_terminate_thread(&priv->mainthread); | |
1012 | ||
1013 | libertas_debugfs_remove_one(priv); | |
1014 | ||
9012b28a | 1015 | lbs_deb_net("free adapter\n"); |
876c9d3a MT |
1016 | libertas_free_adapter(priv); |
1017 | ||
9012b28a | 1018 | lbs_deb_net("unregister finish\n"); |
876c9d3a MT |
1019 | |
1020 | priv->wlan_dev.netdev = NULL; | |
876c9d3a | 1021 | free_netdev(dev); |
876c9d3a | 1022 | |
9012b28a HS |
1023 | out: |
1024 | lbs_deb_leave(LBS_DEB_NET); | |
876c9d3a MT |
1025 | return 0; |
1026 | } | |
084708b6 | 1027 | EXPORT_SYMBOL_GPL(libertas_remove_card); |
876c9d3a | 1028 | |
084708b6 HS |
1029 | |
1030 | void libertas_remove_mesh(wlan_private *priv) | |
78523daa HS |
1031 | { |
1032 | struct net_device *mesh_dev; | |
1033 | ||
1034 | lbs_deb_enter(LBS_DEB_NET); | |
1035 | ||
1036 | if (!priv) | |
1037 | goto out; | |
1038 | ||
1039 | mesh_dev = priv->mesh_dev; | |
1040 | ||
1041 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1042 | netif_carrier_off(priv->mesh_dev); |
78523daa HS |
1043 | |
1044 | device_remove_file(&(mesh_dev->dev), &dev_attr_libertas_mpp); | |
1045 | unregister_netdev(mesh_dev); | |
1046 | ||
1047 | priv->mesh_dev = NULL ; | |
1048 | free_netdev(mesh_dev); | |
1049 | ||
1050 | out: | |
1051 | lbs_deb_leave(LBS_DEB_NET); | |
1052 | } | |
084708b6 | 1053 | EXPORT_SYMBOL_GPL(libertas_remove_mesh); |
78523daa | 1054 | |
876c9d3a MT |
1055 | /** |
1056 | * @brief This function finds the CFP in | |
1057 | * region_cfp_table based on region and band parameter. | |
1058 | * | |
1059 | * @param region The region code | |
1060 | * @param band The band | |
1061 | * @param cfp_no A pointer to CFP number | |
1062 | * @return A pointer to CFP | |
1063 | */ | |
1064 | struct chan_freq_power *libertas_get_region_cfp_table(u8 region, u8 band, int *cfp_no) | |
1065 | { | |
1066 | int i, end; | |
1067 | ||
9012b28a | 1068 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1069 | |
1070 | end = sizeof(region_cfp_table)/sizeof(struct region_cfp_table); | |
1071 | ||
1072 | for (i = 0; i < end ; i++) { | |
9012b28a | 1073 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1074 | region_cfp_table[i].region); |
1075 | if (region_cfp_table[i].region == region) { | |
1076 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1077 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1078 | return region_cfp_table[i].cfp_BG; |
1079 | } | |
1080 | } | |
1081 | ||
9012b28a | 1082 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1083 | return NULL; |
1084 | } | |
1085 | ||
1086 | int libertas_set_regiontable(wlan_private * priv, u8 region, u8 band) | |
1087 | { | |
1088 | wlan_adapter *adapter = priv->adapter; | |
9012b28a | 1089 | int ret = 0; |
876c9d3a MT |
1090 | int i = 0; |
1091 | ||
1092 | struct chan_freq_power *cfp; | |
1093 | int cfp_no; | |
1094 | ||
9012b28a | 1095 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1096 | |
1097 | memset(adapter->region_channel, 0, sizeof(adapter->region_channel)); | |
1098 | ||
1099 | { | |
1100 | cfp = libertas_get_region_cfp_table(region, band, &cfp_no); | |
1101 | if (cfp != NULL) { | |
1102 | adapter->region_channel[i].nrcfp = cfp_no; | |
1103 | adapter->region_channel[i].CFP = cfp; | |
1104 | } else { | |
9012b28a | 1105 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1106 | region); |
9012b28a HS |
1107 | ret = -1; |
1108 | goto out; | |
876c9d3a MT |
1109 | } |
1110 | adapter->region_channel[i].valid = 1; | |
1111 | adapter->region_channel[i].region = region; | |
1112 | adapter->region_channel[i].band = band; | |
1113 | i++; | |
1114 | } | |
9012b28a HS |
1115 | out: |
1116 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1117 | return ret; | |
876c9d3a MT |
1118 | } |
1119 | ||
1120 | /** | |
1121 | * @brief This function handles the interrupt. it will change PS | |
1122 | * state if applicable. it will wake up main_thread to handle | |
1123 | * the interrupt event as well. | |
1124 | * | |
1125 | * @param dev A pointer to net_device structure | |
1126 | * @return n/a | |
1127 | */ | |
1128 | void libertas_interrupt(struct net_device *dev) | |
1129 | { | |
1130 | wlan_private *priv = dev->priv; | |
1131 | ||
ed37b516 | 1132 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1133 | |
ed37b516 | 1134 | lbs_deb_thread("libertas_interrupt: intcounter=%d\n", |
876c9d3a MT |
1135 | priv->adapter->intcounter); |
1136 | ||
1137 | priv->adapter->intcounter++; | |
1138 | ||
1139 | if (priv->adapter->psstate == PS_STATE_SLEEP) { | |
1140 | priv->adapter->psstate = PS_STATE_AWAKE; | |
1141 | netif_wake_queue(dev); | |
51d84f50 | 1142 | netif_wake_queue(priv->mesh_dev); |
876c9d3a MT |
1143 | } |
1144 | ||
1145 | wake_up_interruptible(&priv->mainthread.waitq); | |
1146 | ||
ed37b516 | 1147 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1148 | } |
084708b6 | 1149 | EXPORT_SYMBOL_GPL(libertas_interrupt); |
876c9d3a | 1150 | |
084708b6 | 1151 | static int libertas_init_module(void) |
876c9d3a | 1152 | { |
9012b28a | 1153 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1154 | libertas_debugfs_init(); |
084708b6 HS |
1155 | lbs_deb_leave(LBS_DEB_MAIN); |
1156 | return 0; | |
876c9d3a MT |
1157 | } |
1158 | ||
084708b6 | 1159 | static void libertas_exit_module(void) |
876c9d3a | 1160 | { |
9012b28a | 1161 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1162 | |
876c9d3a MT |
1163 | libertas_debugfs_remove(); |
1164 | ||
9012b28a | 1165 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1166 | } |
1167 | ||
084708b6 HS |
1168 | module_init(libertas_init_module); |
1169 | module_exit(libertas_exit_module); | |
876c9d3a | 1170 | |
084708b6 | 1171 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1172 | MODULE_AUTHOR("Marvell International Ltd."); |
1173 | MODULE_LICENSE("GPL"); |