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Commit | Line | Data |
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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 | ||
7db283c9 | 24 | #define DRIVER_RELEASE_VERSION "321.p0" |
3ce40232 DW |
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) { | |
634b8f49 | 264 | netif_carrier_on(priv->dev); |
51d84f50 JC |
265 | netif_carrier_on(priv->mesh_dev); |
266 | } else { | |
634b8f49 | 267 | netif_carrier_off(priv->dev); |
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 | 288 | if (priv->infra_open == 0) |
634b8f49 | 289 | return wlan_dev_open(priv->dev) ; |
876c9d3a MT |
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 ; | |
634b8f49 | 306 | netif_wake_queue(priv->dev); |
876c9d3a | 307 | if (priv->open == 0) |
634b8f49 | 308 | return wlan_dev_open(priv->dev) ; |
876c9d3a MT |
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 | 317 | |
634b8f49 | 318 | netif_carrier_off(priv->dev); |
876c9d3a MT |
319 | priv->open = 0; |
320 | ||
9012b28a | 321 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
322 | return 0; |
323 | } | |
324 | ||
325 | /** | |
326 | * @brief This function closes the mshX interface | |
327 | * | |
328 | * @param dev A pointer to net_device structure | |
329 | * @return 0 | |
330 | */ | |
331 | static int mesh_close(struct net_device *dev) | |
332 | { | |
333 | wlan_private *priv = (wlan_private *) (dev->priv); | |
334 | ||
335 | priv->mesh_open = 0; | |
336 | netif_stop_queue(priv->mesh_dev); | |
337 | if (priv->infra_open == 0) | |
634b8f49 | 338 | return wlan_dev_close(dev); |
876c9d3a MT |
339 | else |
340 | return 0; | |
341 | } | |
342 | ||
343 | /** | |
344 | * @brief This function closes the ethX interface | |
345 | * | |
346 | * @param dev A pointer to net_device structure | |
347 | * @return 0 | |
348 | */ | |
78523daa HS |
349 | static int wlan_close(struct net_device *dev) |
350 | { | |
876c9d3a MT |
351 | wlan_private *priv = (wlan_private *) dev->priv; |
352 | ||
634b8f49 | 353 | netif_stop_queue(dev); |
876c9d3a MT |
354 | priv->infra_open = 0; |
355 | if (priv->mesh_open == 0) | |
634b8f49 | 356 | return wlan_dev_close(dev); |
876c9d3a MT |
357 | else |
358 | return 0; | |
359 | } | |
360 | ||
361 | ||
876c9d3a MT |
362 | static int wlan_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
363 | { | |
364 | int ret = 0; | |
365 | wlan_private *priv = dev->priv; | |
366 | ||
9012b28a | 367 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 368 | |
634b8f49 | 369 | if (priv->dnld_sent || priv->adapter->TxLockFlag) { |
876c9d3a MT |
370 | priv->stats.tx_dropped++; |
371 | goto done; | |
372 | } | |
373 | ||
634b8f49 | 374 | netif_stop_queue(priv->dev); |
51d84f50 | 375 | netif_stop_queue(priv->mesh_dev); |
876c9d3a MT |
376 | |
377 | if (libertas_process_tx(priv, skb) == 0) | |
378 | dev->trans_start = jiffies; | |
379 | done: | |
9012b28a | 380 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
381 | return ret; |
382 | } | |
383 | ||
384 | /** | |
385 | * @brief Mark mesh packets and handover them to wlan_hard_start_xmit | |
386 | * | |
387 | */ | |
388 | static int mesh_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
389 | { | |
390 | wlan_private *priv = dev->priv; | |
9012b28a HS |
391 | int ret; |
392 | ||
393 | lbs_deb_enter(LBS_DEB_MESH); | |
394 | ||
876c9d3a | 395 | SET_MESH_FRAME(skb); |
876c9d3a | 396 | |
634b8f49 | 397 | ret = wlan_hard_start_xmit(skb, priv->dev); |
9012b28a HS |
398 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); |
399 | return ret; | |
876c9d3a MT |
400 | } |
401 | ||
402 | /** | |
403 | * @brief Mark non-mesh packets and handover them to wlan_hard_start_xmit | |
404 | * | |
405 | */ | |
9012b28a HS |
406 | static int wlan_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) |
407 | { | |
408 | int ret; | |
409 | ||
410 | lbs_deb_enter(LBS_DEB_NET); | |
411 | ||
876c9d3a | 412 | UNSET_MESH_FRAME(skb); |
9012b28a HS |
413 | |
414 | ret = wlan_hard_start_xmit(skb, dev); | |
415 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
416 | return ret; | |
876c9d3a MT |
417 | } |
418 | ||
419 | static void wlan_tx_timeout(struct net_device *dev) | |
420 | { | |
421 | wlan_private *priv = (wlan_private *) dev->priv; | |
422 | ||
9012b28a | 423 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 424 | |
9012b28a | 425 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 426 | |
634b8f49 | 427 | priv->dnld_sent = DNLD_RES_RECEIVED; |
876c9d3a MT |
428 | dev->trans_start = jiffies; |
429 | ||
430 | if (priv->adapter->currenttxskb) { | |
431 | if (priv->adapter->radiomode == WLAN_RADIOMODE_RADIOTAP) { | |
432 | /* If we are here, we have not received feedback from | |
433 | the previous packet. Assume TX_FAIL and move on. */ | |
434 | priv->adapter->eventcause = 0x01000000; | |
435 | libertas_send_tx_feedback(priv); | |
436 | } else | |
437 | wake_up_interruptible(&priv->mainthread.waitq); | |
51d84f50 | 438 | } else if (priv->adapter->connect_status == libertas_connected) { |
634b8f49 | 439 | netif_wake_queue(priv->dev); |
51d84f50 JC |
440 | netif_wake_queue(priv->mesh_dev); |
441 | } | |
876c9d3a | 442 | |
9012b28a | 443 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
444 | } |
445 | ||
446 | /** | |
447 | * @brief This function returns the network statistics | |
448 | * | |
449 | * @param dev A pointer to wlan_private structure | |
450 | * @return A pointer to net_device_stats structure | |
451 | */ | |
452 | static struct net_device_stats *wlan_get_stats(struct net_device *dev) | |
453 | { | |
454 | wlan_private *priv = (wlan_private *) dev->priv; | |
455 | ||
456 | return &priv->stats; | |
457 | } | |
458 | ||
459 | static int wlan_set_mac_address(struct net_device *dev, void *addr) | |
460 | { | |
461 | int ret = 0; | |
462 | wlan_private *priv = (wlan_private *) dev->priv; | |
463 | wlan_adapter *adapter = priv->adapter; | |
464 | struct sockaddr *phwaddr = addr; | |
465 | ||
9012b28a | 466 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 467 | |
0a0d08ac LCCR |
468 | /* In case it was called from the mesh device */ |
469 | dev = priv->dev ; | |
470 | ||
876c9d3a MT |
471 | memset(adapter->current_addr, 0, ETH_ALEN); |
472 | ||
473 | /* dev->dev_addr is 8 bytes */ | |
474 | lbs_dbg_hex("dev->dev_addr:", dev->dev_addr, ETH_ALEN); | |
475 | ||
476 | lbs_dbg_hex("addr:", phwaddr->sa_data, ETH_ALEN); | |
477 | memcpy(adapter->current_addr, phwaddr->sa_data, ETH_ALEN); | |
478 | ||
479 | ret = libertas_prepare_and_send_command(priv, cmd_802_11_mac_address, | |
480 | cmd_act_set, | |
481 | cmd_option_waitforrsp, 0, NULL); | |
482 | ||
483 | if (ret) { | |
9012b28a | 484 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
485 | ret = -1; |
486 | goto done; | |
487 | } | |
488 | ||
489 | lbs_dbg_hex("adapter->macaddr:", adapter->current_addr, ETH_ALEN); | |
490 | memcpy(dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
78523daa HS |
491 | if (priv->mesh_dev) |
492 | memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
876c9d3a MT |
493 | |
494 | done: | |
9012b28a | 495 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
496 | return ret; |
497 | } | |
498 | ||
499 | static int wlan_copy_multicast_address(wlan_adapter * adapter, | |
500 | struct net_device *dev) | |
501 | { | |
502 | int i = 0; | |
503 | struct dev_mc_list *mcptr = dev->mc_list; | |
504 | ||
505 | for (i = 0; i < dev->mc_count; i++) { | |
506 | memcpy(&adapter->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); | |
507 | mcptr = mcptr->next; | |
508 | } | |
509 | ||
510 | return i; | |
511 | ||
512 | } | |
513 | ||
514 | static void wlan_set_multicast_list(struct net_device *dev) | |
515 | { | |
516 | wlan_private *priv = dev->priv; | |
517 | wlan_adapter *adapter = priv->adapter; | |
518 | int oldpacketfilter; | |
519 | ||
9012b28a | 520 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
521 | |
522 | oldpacketfilter = adapter->currentpacketfilter; | |
523 | ||
524 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 525 | lbs_deb_net("enable promiscuous mode\n"); |
876c9d3a MT |
526 | adapter->currentpacketfilter |= |
527 | cmd_act_mac_promiscuous_enable; | |
528 | adapter->currentpacketfilter &= | |
529 | ~(cmd_act_mac_all_multicast_enable | | |
530 | cmd_act_mac_multicast_enable); | |
531 | } else { | |
532 | /* Multicast */ | |
533 | adapter->currentpacketfilter &= | |
534 | ~cmd_act_mac_promiscuous_enable; | |
535 | ||
536 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
537 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 538 | lbs_deb_net( "enabling all multicast\n"); |
876c9d3a MT |
539 | adapter->currentpacketfilter |= |
540 | cmd_act_mac_all_multicast_enable; | |
541 | adapter->currentpacketfilter &= | |
542 | ~cmd_act_mac_multicast_enable; | |
543 | } else { | |
544 | adapter->currentpacketfilter &= | |
545 | ~cmd_act_mac_all_multicast_enable; | |
546 | ||
547 | if (!dev->mc_count) { | |
9012b28a HS |
548 | lbs_deb_net("no multicast addresses, " |
549 | "disabling multicast\n"); | |
876c9d3a MT |
550 | adapter->currentpacketfilter &= |
551 | ~cmd_act_mac_multicast_enable; | |
552 | } else { | |
553 | int i; | |
554 | ||
555 | adapter->currentpacketfilter |= | |
556 | cmd_act_mac_multicast_enable; | |
557 | ||
558 | adapter->nr_of_multicastmacaddr = | |
559 | wlan_copy_multicast_address(adapter, dev); | |
560 | ||
9012b28a | 561 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
562 | dev->mc_count); |
563 | ||
564 | for (i = 0; i < dev->mc_count; i++) { | |
9012b28a HS |
565 | lbs_deb_net("Multicast address %d:" |
566 | MAC_FMT "\n", i, | |
876c9d3a MT |
567 | adapter->multicastlist[i][0], |
568 | adapter->multicastlist[i][1], | |
569 | adapter->multicastlist[i][2], | |
570 | adapter->multicastlist[i][3], | |
571 | adapter->multicastlist[i][4], | |
572 | adapter->multicastlist[i][5]); | |
573 | } | |
9012b28a | 574 | /* send multicast addresses to firmware */ |
876c9d3a MT |
575 | libertas_prepare_and_send_command(priv, |
576 | cmd_mac_multicast_adr, | |
577 | cmd_act_set, 0, 0, | |
578 | NULL); | |
579 | } | |
580 | } | |
581 | } | |
582 | ||
583 | if (adapter->currentpacketfilter != oldpacketfilter) { | |
584 | libertas_set_mac_packet_filter(priv); | |
585 | } | |
586 | ||
9012b28a | 587 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
588 | } |
589 | ||
590 | /** | |
9012b28a HS |
591 | * @brief This function handles the major jobs in the WLAN driver. |
592 | * It handles all events generated by firmware, RX data received | |
593 | * from firmware and TX data sent from kernel. | |
876c9d3a MT |
594 | * |
595 | * @param data A pointer to wlan_thread structure | |
596 | * @return 0 | |
597 | */ | |
598 | static int wlan_service_main_thread(void *data) | |
599 | { | |
600 | struct wlan_thread *thread = data; | |
601 | wlan_private *priv = thread->priv; | |
602 | wlan_adapter *adapter = priv->adapter; | |
603 | wait_queue_t wait; | |
604 | u8 ireg = 0; | |
605 | ||
9012b28a | 606 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a MT |
607 | |
608 | wlan_activate_thread(thread); | |
609 | ||
610 | init_waitqueue_entry(&wait, current); | |
611 | ||
612 | for (;;) { | |
9012b28a | 613 | lbs_deb_thread( "main-thread 111: intcounter=%d " |
876c9d3a MT |
614 | "currenttxskb=%p dnld_sent=%d\n", |
615 | adapter->intcounter, | |
634b8f49 | 616 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
617 | |
618 | add_wait_queue(&thread->waitq, &wait); | |
619 | set_current_state(TASK_INTERRUPTIBLE); | |
620 | spin_lock_irq(&adapter->driver_lock); | |
621 | if ((adapter->psstate == PS_STATE_SLEEP) || | |
622 | (!adapter->intcounter | |
634b8f49 | 623 | && (priv->dnld_sent || adapter->cur_cmd || |
876c9d3a | 624 | list_empty(&adapter->cmdpendingq)))) { |
9012b28a | 625 | lbs_deb_thread( |
876c9d3a MT |
626 | "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
627 | adapter->connect_status, adapter->intcounter, | |
628 | adapter->psmode, adapter->psstate); | |
629 | spin_unlock_irq(&adapter->driver_lock); | |
630 | schedule(); | |
631 | } else | |
632 | spin_unlock_irq(&adapter->driver_lock); | |
633 | ||
634 | ||
9012b28a | 635 | lbs_deb_thread( |
876c9d3a MT |
636 | "main-thread 222 (waking up): intcounter=%d currenttxskb=%p " |
637 | "dnld_sent=%d\n", adapter->intcounter, | |
634b8f49 | 638 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
639 | |
640 | set_current_state(TASK_RUNNING); | |
641 | remove_wait_queue(&thread->waitq, &wait); | |
642 | try_to_freeze(); | |
643 | ||
9012b28a | 644 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
645 | "dnld_sent=%d\n", |
646 | adapter->intcounter, | |
634b8f49 | 647 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
648 | |
649 | if (kthread_should_stop() | |
650 | || adapter->surpriseremoved) { | |
9012b28a | 651 | lbs_deb_thread( |
876c9d3a MT |
652 | "main-thread: break from main thread: surpriseremoved=0x%x\n", |
653 | adapter->surpriseremoved); | |
654 | break; | |
655 | } | |
656 | ||
657 | ||
658 | spin_lock_irq(&adapter->driver_lock); | |
659 | if (adapter->intcounter) { | |
660 | u8 int_status; | |
661 | adapter->intcounter = 0; | |
208fdd2f | 662 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
663 | |
664 | if (int_status) { | |
9012b28a | 665 | lbs_deb_thread( |
876c9d3a MT |
666 | "main-thread: reading HOST_INT_STATUS_REG failed\n"); |
667 | spin_unlock_irq(&adapter->driver_lock); | |
668 | continue; | |
669 | } | |
670 | adapter->hisregcpy |= ireg; | |
671 | } | |
672 | ||
9012b28a | 673 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
674 | "dnld_sent=%d\n", |
675 | adapter->intcounter, | |
634b8f49 | 676 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
677 | |
678 | /* command response? */ | |
679 | if (adapter->hisregcpy & his_cmdupldrdy) { | |
9012b28a | 680 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a MT |
681 | |
682 | adapter->hisregcpy &= ~his_cmdupldrdy; | |
683 | spin_unlock_irq(&adapter->driver_lock); | |
684 | libertas_process_rx_command(priv); | |
685 | spin_lock_irq(&adapter->driver_lock); | |
686 | } | |
687 | ||
688 | /* Any Card Event */ | |
689 | if (adapter->hisregcpy & his_cardevent) { | |
9012b28a | 690 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a MT |
691 | |
692 | adapter->hisregcpy &= ~his_cardevent; | |
693 | ||
208fdd2f | 694 | if (priv->hw_read_event_cause(priv)) { |
876c9d3a | 695 | lbs_pr_alert( |
208fdd2f | 696 | "main-thread: hw_read_event_cause failed\n"); |
876c9d3a MT |
697 | spin_unlock_irq(&adapter->driver_lock); |
698 | continue; | |
699 | } | |
700 | spin_unlock_irq(&adapter->driver_lock); | |
701 | libertas_process_event(priv); | |
702 | } else | |
703 | spin_unlock_irq(&adapter->driver_lock); | |
704 | ||
705 | /* Check if we need to confirm Sleep Request received previously */ | |
706 | if (adapter->psstate == PS_STATE_PRE_SLEEP) { | |
634b8f49 | 707 | if (!priv->dnld_sent && !adapter->cur_cmd) { |
876c9d3a MT |
708 | if (adapter->connect_status == |
709 | libertas_connected) { | |
9012b28a | 710 | lbs_deb_thread( |
876c9d3a MT |
711 | "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p " |
712 | "dnld_sent=%d cur_cmd=%p, confirm now\n", | |
713 | adapter->intcounter, | |
714 | adapter->currenttxskb, | |
634b8f49 | 715 | priv->dnld_sent, |
876c9d3a MT |
716 | adapter->cur_cmd); |
717 | ||
718 | libertas_ps_confirm_sleep(priv, | |
719 | (u16) adapter->psmode); | |
720 | } else { | |
721 | /* workaround for firmware sending | |
722 | * deauth/linkloss event immediately | |
723 | * after sleep request, remove this | |
724 | * after firmware fixes it | |
725 | */ | |
726 | adapter->psstate = PS_STATE_AWAKE; | |
727 | lbs_pr_alert( | |
728 | "main-thread: ignore PS_SleepConfirm in non-connected state\n"); | |
729 | } | |
730 | } | |
731 | } | |
732 | ||
733 | /* The PS state is changed during processing of Sleep Request | |
734 | * event above | |
735 | */ | |
736 | if ((priv->adapter->psstate == PS_STATE_SLEEP) || | |
737 | (priv->adapter->psstate == PS_STATE_PRE_SLEEP)) | |
738 | continue; | |
739 | ||
740 | /* Execute the next command */ | |
634b8f49 | 741 | if (!priv->dnld_sent && !priv->adapter->cur_cmd) |
876c9d3a MT |
742 | libertas_execute_next_command(priv); |
743 | ||
744 | /* Wake-up command waiters which can't sleep in | |
745 | * libertas_prepare_and_send_command | |
746 | */ | |
747 | if (!adapter->nr_cmd_pending) | |
748 | wake_up_all(&adapter->cmd_pending); | |
749 | ||
750 | libertas_tx_runqueue(priv); | |
751 | } | |
752 | ||
753 | del_timer(&adapter->command_timer); | |
754 | adapter->nr_cmd_pending = 0; | |
755 | wake_up_all(&adapter->cmd_pending); | |
756 | wlan_deactivate_thread(thread); | |
757 | ||
9012b28a | 758 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
759 | return 0; |
760 | } | |
761 | ||
762 | /** | |
763 | * @brief This function adds the card. it will probe the | |
764 | * card, allocate the wlan_priv and initialize the device. | |
765 | * | |
766 | * @param card A pointer to card | |
767 | * @return A pointer to wlan_private structure | |
768 | */ | |
7732ca45 | 769 | wlan_private *libertas_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
770 | { |
771 | struct net_device *dev = NULL; | |
876c9d3a MT |
772 | wlan_private *priv = NULL; |
773 | ||
9012b28a | 774 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
775 | |
776 | /* Allocate an Ethernet device and register it */ | |
777 | if (!(dev = alloc_etherdev(sizeof(wlan_private)))) { | |
9012b28a | 778 | lbs_pr_err("init ethX device failed\n"); |
876c9d3a MT |
779 | return NULL; |
780 | } | |
876c9d3a MT |
781 | priv = dev->priv; |
782 | ||
783 | /* allocate buffer for wlan_adapter */ | |
fb3dddf2 | 784 | if (!(priv->adapter = kzalloc(sizeof(wlan_adapter), GFP_KERNEL))) { |
9012b28a | 785 | lbs_pr_err("allocate buffer for wlan_adapter failed\n"); |
fb3dddf2 | 786 | goto err_kzalloc; |
876c9d3a MT |
787 | } |
788 | ||
634b8f49 HS |
789 | priv->dev = dev; |
790 | priv->card = card; | |
876c9d3a MT |
791 | priv->mesh_open = 0; |
792 | priv->infra_open = 0; | |
876c9d3a MT |
793 | |
794 | SET_MODULE_OWNER(dev); | |
876c9d3a MT |
795 | |
796 | /* Setup the OS Interface to our functions */ | |
797 | dev->open = wlan_open; | |
798 | dev->hard_start_xmit = wlan_pre_start_xmit; | |
799 | dev->stop = wlan_close; | |
800 | dev->do_ioctl = libertas_do_ioctl; | |
801 | dev->set_mac_address = wlan_set_mac_address; | |
876c9d3a MT |
802 | dev->tx_timeout = wlan_tx_timeout; |
803 | dev->get_stats = wlan_get_stats; | |
fb3dddf2 | 804 | dev->watchdog_timeo = 5 * HZ; |
876c9d3a | 805 | dev->ethtool_ops = &libertas_ethtool_ops; |
876c9d3a MT |
806 | #ifdef WIRELESS_EXT |
807 | dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def; | |
876c9d3a MT |
808 | #endif |
809 | #define NETIF_F_DYNALLOC 16 | |
810 | dev->features |= NETIF_F_DYNALLOC; | |
811 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
812 | dev->set_multicast_list = wlan_set_multicast_list; | |
813 | ||
7732ca45 DW |
814 | SET_NETDEV_DEV(dev, dmdev); |
815 | ||
876c9d3a MT |
816 | INIT_LIST_HEAD(&priv->adapter->cmdfreeq); |
817 | INIT_LIST_HEAD(&priv->adapter->cmdpendingq); | |
818 | ||
819 | spin_lock_init(&priv->adapter->driver_lock); | |
820 | init_waitqueue_head(&priv->adapter->cmd_pending); | |
821 | priv->adapter->nr_cmd_pending = 0; | |
32a74b7c HS |
822 | goto done; |
823 | ||
824 | err_kzalloc: | |
825 | free_netdev(dev); | |
6a812157 | 826 | priv = NULL; |
32a74b7c HS |
827 | done: |
828 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
829 | return priv; | |
830 | } | |
084708b6 | 831 | EXPORT_SYMBOL_GPL(libertas_add_card); |
32a74b7c | 832 | |
084708b6 | 833 | int libertas_activate_card(wlan_private *priv, char *fw_name) |
32a74b7c | 834 | { |
634b8f49 | 835 | struct net_device *dev = priv->dev; |
32a74b7c HS |
836 | int ret = -1; |
837 | ||
838 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 839 | |
9012b28a | 840 | lbs_deb_thread("Starting kthread...\n"); |
876c9d3a MT |
841 | priv->mainthread.priv = priv; |
842 | wlan_create_thread(wlan_service_main_thread, | |
843 | &priv->mainthread, "wlan_main_service"); | |
844 | ||
845 | priv->assoc_thread = | |
846 | create_singlethread_workqueue("libertas_assoc"); | |
eb3ce631 | 847 | INIT_DELAYED_WORK(&priv->assoc_work, libertas_association_worker); |
876c9d3a MT |
848 | |
849 | /* | |
850 | * Register the device. Fillup the private data structure with | |
851 | * relevant information from the card and request for the required | |
852 | * IRQ. | |
853 | */ | |
208fdd2f | 854 | if (priv->hw_register_dev(priv) < 0) { |
9012b28a | 855 | lbs_pr_err("failed to register WLAN device\n"); |
876c9d3a MT |
856 | goto err_registerdev; |
857 | } | |
858 | ||
859 | /* init FW and HW */ | |
084708b6 | 860 | if (fw_name && libertas_init_fw(priv, fw_name)) { |
9012b28a | 861 | lbs_pr_err("firmware init failed\n"); |
876c9d3a MT |
862 | goto err_registerdev; |
863 | } | |
864 | ||
865 | if (register_netdev(dev)) { | |
9012b28a | 866 | lbs_pr_err("cannot register ethX device\n"); |
876c9d3a MT |
867 | goto err_init_fw; |
868 | } | |
869 | ||
9012b28a | 870 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
876c9d3a MT |
871 | |
872 | libertas_debugfs_init_one(priv, dev); | |
873 | ||
32a74b7c HS |
874 | ret = 0; |
875 | goto done; | |
876c9d3a | 876 | |
876c9d3a | 877 | err_init_fw: |
208fdd2f | 878 | priv->hw_unregister_dev(priv); |
876c9d3a MT |
879 | err_registerdev: |
880 | destroy_workqueue(priv->assoc_thread); | |
881 | /* Stop the thread servicing the interrupts */ | |
882 | wake_up_interruptible(&priv->mainthread.waitq); | |
883 | wlan_terminate_thread(&priv->mainthread); | |
32a74b7c HS |
884 | done: |
885 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
886 | return ret; | |
876c9d3a | 887 | } |
084708b6 HS |
888 | EXPORT_SYMBOL_GPL(libertas_activate_card); |
889 | ||
876c9d3a | 890 | |
78523daa HS |
891 | /** |
892 | * @brief This function adds mshX interface | |
893 | * | |
894 | * @param priv A pointer to the wlan_private structure | |
895 | * @return 0 if successful, -X otherwise | |
896 | */ | |
7732ca45 | 897 | int libertas_add_mesh(wlan_private *priv, struct device *dev) |
78523daa HS |
898 | { |
899 | struct net_device *mesh_dev = NULL; | |
900 | int ret = 0; | |
901 | ||
902 | lbs_deb_enter(LBS_DEB_MESH); | |
903 | ||
904 | /* Allocate a virtual mesh device */ | |
905 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
906 | lbs_deb_mesh("init mshX device failed\n"); | |
907 | ret = -ENOMEM; | |
908 | goto done; | |
909 | } | |
910 | mesh_dev->priv = priv; | |
911 | priv->mesh_dev = mesh_dev; | |
912 | ||
913 | SET_MODULE_OWNER(mesh_dev); | |
914 | ||
915 | mesh_dev->open = mesh_open; | |
916 | mesh_dev->hard_start_xmit = mesh_pre_start_xmit; | |
917 | mesh_dev->stop = mesh_close; | |
918 | mesh_dev->do_ioctl = libertas_do_ioctl; | |
919 | mesh_dev->get_stats = wlan_get_stats; | |
0a0d08ac | 920 | mesh_dev->set_mac_address = wlan_set_mac_address; |
78523daa | 921 | mesh_dev->ethtool_ops = &libertas_ethtool_ops; |
634b8f49 HS |
922 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
923 | sizeof(priv->dev->dev_addr)); | |
78523daa | 924 | |
7732ca45 DW |
925 | SET_NETDEV_DEV(priv->mesh_dev, dev); |
926 | ||
78523daa HS |
927 | #ifdef WIRELESS_EXT |
928 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def; | |
929 | #endif | |
930 | #define NETIF_F_DYNALLOC 16 | |
931 | ||
932 | /* Register virtual mesh interface */ | |
933 | ret = register_netdev(mesh_dev); | |
934 | if (ret) { | |
935 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
936 | goto err_free; | |
937 | } | |
938 | ||
939 | ret = device_create_file(&(mesh_dev->dev), &dev_attr_libertas_mpp); | |
940 | if (ret) | |
941 | goto err_unregister; | |
942 | ||
943 | /* Everything successful */ | |
944 | ret = 0; | |
945 | goto done; | |
946 | ||
947 | ||
948 | err_unregister: | |
949 | unregister_netdev(mesh_dev); | |
950 | ||
951 | err_free: | |
952 | free_netdev(mesh_dev); | |
953 | ||
954 | done: | |
955 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
956 | return ret; | |
957 | } | |
084708b6 | 958 | EXPORT_SYMBOL_GPL(libertas_add_mesh); |
78523daa | 959 | |
876c9d3a MT |
960 | static void wake_pending_cmdnodes(wlan_private *priv) |
961 | { | |
962 | struct cmd_ctrl_node *cmdnode; | |
963 | unsigned long flags; | |
964 | ||
9012b28a HS |
965 | lbs_deb_enter(LBS_DEB_CMD); |
966 | ||
876c9d3a MT |
967 | spin_lock_irqsave(&priv->adapter->driver_lock, flags); |
968 | list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) { | |
969 | cmdnode->cmdwaitqwoken = 1; | |
970 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
971 | } | |
972 | spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); | |
973 | } | |
974 | ||
975 | ||
084708b6 | 976 | int libertas_remove_card(wlan_private *priv) |
876c9d3a | 977 | { |
876c9d3a MT |
978 | wlan_adapter *adapter; |
979 | struct net_device *dev; | |
876c9d3a | 980 | union iwreq_data wrqu; |
876c9d3a | 981 | |
9012b28a | 982 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 983 | |
9012b28a HS |
984 | if (!priv) |
985 | goto out; | |
876c9d3a MT |
986 | |
987 | adapter = priv->adapter; | |
988 | ||
9012b28a HS |
989 | if (!adapter) |
990 | goto out; | |
876c9d3a | 991 | |
634b8f49 | 992 | dev = priv->dev; |
876c9d3a | 993 | |
634b8f49 HS |
994 | netif_stop_queue(priv->dev); |
995 | netif_carrier_off(priv->dev); | |
876c9d3a MT |
996 | |
997 | wake_pending_cmdnodes(priv); | |
998 | ||
876c9d3a MT |
999 | unregister_netdev(dev); |
1000 | ||
1001 | cancel_delayed_work(&priv->assoc_work); | |
1002 | destroy_workqueue(priv->assoc_thread); | |
1003 | ||
1004 | if (adapter->psmode == wlan802_11powermodemax_psp) { | |
1005 | adapter->psmode = wlan802_11powermodecam; | |
1006 | libertas_ps_wakeup(priv, cmd_option_waitforrsp); | |
1007 | } | |
1008 | ||
1009 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); | |
1010 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
634b8f49 | 1011 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); |
876c9d3a | 1012 | |
876c9d3a MT |
1013 | adapter->surpriseremoved = 1; |
1014 | ||
1015 | /* Stop the thread servicing the interrupts */ | |
1016 | wlan_terminate_thread(&priv->mainthread); | |
1017 | ||
1018 | libertas_debugfs_remove_one(priv); | |
1019 | ||
9012b28a | 1020 | lbs_deb_net("free adapter\n"); |
876c9d3a MT |
1021 | libertas_free_adapter(priv); |
1022 | ||
9012b28a | 1023 | lbs_deb_net("unregister finish\n"); |
876c9d3a | 1024 | |
634b8f49 | 1025 | priv->dev = NULL; |
876c9d3a | 1026 | free_netdev(dev); |
876c9d3a | 1027 | |
9012b28a HS |
1028 | out: |
1029 | lbs_deb_leave(LBS_DEB_NET); | |
876c9d3a MT |
1030 | return 0; |
1031 | } | |
084708b6 | 1032 | EXPORT_SYMBOL_GPL(libertas_remove_card); |
876c9d3a | 1033 | |
084708b6 HS |
1034 | |
1035 | void libertas_remove_mesh(wlan_private *priv) | |
78523daa HS |
1036 | { |
1037 | struct net_device *mesh_dev; | |
1038 | ||
1039 | lbs_deb_enter(LBS_DEB_NET); | |
1040 | ||
1041 | if (!priv) | |
1042 | goto out; | |
1043 | ||
1044 | mesh_dev = priv->mesh_dev; | |
1045 | ||
1046 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1047 | netif_carrier_off(priv->mesh_dev); |
78523daa HS |
1048 | |
1049 | device_remove_file(&(mesh_dev->dev), &dev_attr_libertas_mpp); | |
1050 | unregister_netdev(mesh_dev); | |
1051 | ||
1052 | priv->mesh_dev = NULL ; | |
1053 | free_netdev(mesh_dev); | |
1054 | ||
1055 | out: | |
1056 | lbs_deb_leave(LBS_DEB_NET); | |
1057 | } | |
084708b6 | 1058 | EXPORT_SYMBOL_GPL(libertas_remove_mesh); |
78523daa | 1059 | |
876c9d3a MT |
1060 | /** |
1061 | * @brief This function finds the CFP in | |
1062 | * region_cfp_table based on region and band parameter. | |
1063 | * | |
1064 | * @param region The region code | |
1065 | * @param band The band | |
1066 | * @param cfp_no A pointer to CFP number | |
1067 | * @return A pointer to CFP | |
1068 | */ | |
1069 | struct chan_freq_power *libertas_get_region_cfp_table(u8 region, u8 band, int *cfp_no) | |
1070 | { | |
1071 | int i, end; | |
1072 | ||
9012b28a | 1073 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1074 | |
1075 | end = sizeof(region_cfp_table)/sizeof(struct region_cfp_table); | |
1076 | ||
1077 | for (i = 0; i < end ; i++) { | |
9012b28a | 1078 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1079 | region_cfp_table[i].region); |
1080 | if (region_cfp_table[i].region == region) { | |
1081 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1082 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1083 | return region_cfp_table[i].cfp_BG; |
1084 | } | |
1085 | } | |
1086 | ||
9012b28a | 1087 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1088 | return NULL; |
1089 | } | |
1090 | ||
1091 | int libertas_set_regiontable(wlan_private * priv, u8 region, u8 band) | |
1092 | { | |
1093 | wlan_adapter *adapter = priv->adapter; | |
9012b28a | 1094 | int ret = 0; |
876c9d3a MT |
1095 | int i = 0; |
1096 | ||
1097 | struct chan_freq_power *cfp; | |
1098 | int cfp_no; | |
1099 | ||
9012b28a | 1100 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1101 | |
1102 | memset(adapter->region_channel, 0, sizeof(adapter->region_channel)); | |
1103 | ||
1104 | { | |
1105 | cfp = libertas_get_region_cfp_table(region, band, &cfp_no); | |
1106 | if (cfp != NULL) { | |
1107 | adapter->region_channel[i].nrcfp = cfp_no; | |
1108 | adapter->region_channel[i].CFP = cfp; | |
1109 | } else { | |
9012b28a | 1110 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1111 | region); |
9012b28a HS |
1112 | ret = -1; |
1113 | goto out; | |
876c9d3a MT |
1114 | } |
1115 | adapter->region_channel[i].valid = 1; | |
1116 | adapter->region_channel[i].region = region; | |
1117 | adapter->region_channel[i].band = band; | |
1118 | i++; | |
1119 | } | |
9012b28a HS |
1120 | out: |
1121 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1122 | return ret; | |
876c9d3a MT |
1123 | } |
1124 | ||
1125 | /** | |
1126 | * @brief This function handles the interrupt. it will change PS | |
1127 | * state if applicable. it will wake up main_thread to handle | |
1128 | * the interrupt event as well. | |
1129 | * | |
1130 | * @param dev A pointer to net_device structure | |
1131 | * @return n/a | |
1132 | */ | |
1133 | void libertas_interrupt(struct net_device *dev) | |
1134 | { | |
1135 | wlan_private *priv = dev->priv; | |
1136 | ||
ed37b516 | 1137 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1138 | |
ed37b516 | 1139 | lbs_deb_thread("libertas_interrupt: intcounter=%d\n", |
876c9d3a MT |
1140 | priv->adapter->intcounter); |
1141 | ||
1142 | priv->adapter->intcounter++; | |
1143 | ||
1144 | if (priv->adapter->psstate == PS_STATE_SLEEP) { | |
1145 | priv->adapter->psstate = PS_STATE_AWAKE; | |
1146 | netif_wake_queue(dev); | |
51d84f50 | 1147 | netif_wake_queue(priv->mesh_dev); |
876c9d3a MT |
1148 | } |
1149 | ||
1150 | wake_up_interruptible(&priv->mainthread.waitq); | |
1151 | ||
ed37b516 | 1152 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1153 | } |
084708b6 | 1154 | EXPORT_SYMBOL_GPL(libertas_interrupt); |
876c9d3a | 1155 | |
084708b6 | 1156 | static int libertas_init_module(void) |
876c9d3a | 1157 | { |
9012b28a | 1158 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1159 | libertas_debugfs_init(); |
084708b6 HS |
1160 | lbs_deb_leave(LBS_DEB_MAIN); |
1161 | return 0; | |
876c9d3a MT |
1162 | } |
1163 | ||
084708b6 | 1164 | static void libertas_exit_module(void) |
876c9d3a | 1165 | { |
9012b28a | 1166 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1167 | |
876c9d3a MT |
1168 | libertas_debugfs_remove(); |
1169 | ||
9012b28a | 1170 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1171 | } |
1172 | ||
084708b6 HS |
1173 | module_init(libertas_init_module); |
1174 | module_exit(libertas_exit_module); | |
876c9d3a | 1175 | |
084708b6 | 1176 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1177 | MODULE_AUTHOR("Marvell International Ltd."); |
1178 | MODULE_LICENSE("GPL"); |