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 | ||
7d8d28b3 | 24 | #define DRIVER_RELEASE_VERSION "322.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 | /** | |
82fde74b | 181 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 182 | */ |
82fde74b | 183 | static ssize_t libertas_anycast_get(struct device * dev, |
b59bb616 DW |
184 | struct device_attribute *attr, char * buf) |
185 | { | |
876c9d3a MT |
186 | struct cmd_ds_mesh_access mesh_access; |
187 | ||
188 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
189 | libertas_prepare_and_send_command(to_net_dev(dev)->priv, | |
190 | cmd_mesh_access, | |
82fde74b | 191 | cmd_act_mesh_get_anycast, |
876c9d3a MT |
192 | cmd_option_waitforrsp, 0, (void *)&mesh_access); |
193 | ||
82fde74b | 194 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
195 | } |
196 | ||
197 | /** | |
82fde74b | 198 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 199 | */ |
82fde74b | 200 | static ssize_t libertas_anycast_set(struct device * dev, |
b59bb616 DW |
201 | struct device_attribute *attr, const char * buf, size_t count) |
202 | { | |
876c9d3a | 203 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 204 | uint32_t datum; |
876c9d3a | 205 | |
876c9d3a | 206 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 207 | sscanf(buf, "%x", &datum); |
981f187b DW |
208 | mesh_access.data[0] = cpu_to_le32(datum); |
209 | ||
876c9d3a MT |
210 | libertas_prepare_and_send_command((to_net_dev(dev))->priv, |
211 | cmd_mesh_access, | |
82fde74b | 212 | cmd_act_mesh_set_anycast, |
876c9d3a MT |
213 | cmd_option_waitforrsp, 0, (void *)&mesh_access); |
214 | return strlen(buf); | |
215 | } | |
216 | ||
217 | /** | |
82fde74b LC |
218 | * anycast_mask attribute to be exported per mshX interface |
219 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 220 | */ |
82fde74b | 221 | static DEVICE_ATTR(anycast_mask, 0644, libertas_anycast_get, libertas_anycast_set); |
876c9d3a MT |
222 | |
223 | /** | |
224 | * @brief Check if the device can be open and wait if necessary. | |
225 | * | |
226 | * @param dev A pointer to net_device structure | |
227 | * @return 0 | |
228 | * | |
229 | * For USB adapter, on some systems the device open handler will be | |
230 | * called before FW ready. Use the following flag check and wait | |
231 | * function to work around the issue. | |
232 | * | |
233 | */ | |
9012b28a HS |
234 | static int pre_open_check(struct net_device *dev) |
235 | { | |
876c9d3a MT |
236 | wlan_private *priv = (wlan_private *) dev->priv; |
237 | wlan_adapter *adapter = priv->adapter; | |
238 | int i = 0; | |
239 | ||
240 | while (!adapter->fw_ready && i < 20) { | |
241 | i++; | |
242 | msleep_interruptible(100); | |
243 | } | |
244 | if (!adapter->fw_ready) { | |
9012b28a | 245 | lbs_pr_err("firmware not ready\n"); |
876c9d3a MT |
246 | return -1; |
247 | } | |
248 | ||
249 | return 0; | |
250 | } | |
251 | ||
252 | /** | |
253 | * @brief This function opens the device | |
254 | * | |
255 | * @param dev A pointer to net_device structure | |
256 | * @return 0 | |
257 | */ | |
258 | static int wlan_dev_open(struct net_device *dev) | |
259 | { | |
260 | wlan_private *priv = (wlan_private *) dev->priv; | |
261 | wlan_adapter *adapter = priv->adapter; | |
262 | ||
9012b28a | 263 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
264 | |
265 | priv->open = 1; | |
266 | ||
267 | if (adapter->connect_status == libertas_connected) { | |
634b8f49 | 268 | netif_carrier_on(priv->dev); |
51d84f50 JC |
269 | netif_carrier_on(priv->mesh_dev); |
270 | } else { | |
634b8f49 | 271 | netif_carrier_off(priv->dev); |
51d84f50 JC |
272 | netif_carrier_off(priv->mesh_dev); |
273 | } | |
876c9d3a | 274 | |
9012b28a | 275 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
276 | return 0; |
277 | } | |
278 | /** | |
279 | * @brief This function opens the mshX interface | |
280 | * | |
281 | * @param dev A pointer to net_device structure | |
282 | * @return 0 | |
283 | */ | |
284 | static int mesh_open(struct net_device *dev) | |
285 | { | |
286 | wlan_private *priv = (wlan_private *) dev->priv ; | |
287 | ||
78523daa | 288 | if (pre_open_check(dev) == -1) |
876c9d3a MT |
289 | return -1; |
290 | priv->mesh_open = 1 ; | |
51d84f50 | 291 | netif_wake_queue(priv->mesh_dev); |
876c9d3a | 292 | if (priv->infra_open == 0) |
634b8f49 | 293 | return wlan_dev_open(priv->dev) ; |
876c9d3a MT |
294 | return 0; |
295 | } | |
296 | ||
297 | /** | |
298 | * @brief This function opens the ethX interface | |
299 | * | |
300 | * @param dev A pointer to net_device structure | |
301 | * @return 0 | |
302 | */ | |
303 | static int wlan_open(struct net_device *dev) | |
304 | { | |
305 | wlan_private *priv = (wlan_private *) dev->priv ; | |
306 | ||
307 | if(pre_open_check(dev) == -1) | |
308 | return -1; | |
309 | priv->infra_open = 1 ; | |
634b8f49 | 310 | netif_wake_queue(priv->dev); |
876c9d3a | 311 | if (priv->open == 0) |
634b8f49 | 312 | return wlan_dev_open(priv->dev) ; |
876c9d3a MT |
313 | return 0; |
314 | } | |
315 | ||
316 | static int wlan_dev_close(struct net_device *dev) | |
317 | { | |
318 | wlan_private *priv = dev->priv; | |
319 | ||
9012b28a | 320 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 321 | |
634b8f49 | 322 | netif_carrier_off(priv->dev); |
876c9d3a MT |
323 | priv->open = 0; |
324 | ||
9012b28a | 325 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
326 | return 0; |
327 | } | |
328 | ||
329 | /** | |
330 | * @brief This function closes the mshX interface | |
331 | * | |
332 | * @param dev A pointer to net_device structure | |
333 | * @return 0 | |
334 | */ | |
335 | static int mesh_close(struct net_device *dev) | |
336 | { | |
337 | wlan_private *priv = (wlan_private *) (dev->priv); | |
338 | ||
339 | priv->mesh_open = 0; | |
340 | netif_stop_queue(priv->mesh_dev); | |
341 | if (priv->infra_open == 0) | |
634b8f49 | 342 | return wlan_dev_close(dev); |
876c9d3a MT |
343 | else |
344 | return 0; | |
345 | } | |
346 | ||
347 | /** | |
348 | * @brief This function closes the ethX interface | |
349 | * | |
350 | * @param dev A pointer to net_device structure | |
351 | * @return 0 | |
352 | */ | |
78523daa HS |
353 | static int wlan_close(struct net_device *dev) |
354 | { | |
876c9d3a MT |
355 | wlan_private *priv = (wlan_private *) dev->priv; |
356 | ||
634b8f49 | 357 | netif_stop_queue(dev); |
876c9d3a MT |
358 | priv->infra_open = 0; |
359 | if (priv->mesh_open == 0) | |
634b8f49 | 360 | return wlan_dev_close(dev); |
876c9d3a MT |
361 | else |
362 | return 0; | |
363 | } | |
364 | ||
365 | ||
876c9d3a MT |
366 | static int wlan_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
367 | { | |
368 | int ret = 0; | |
369 | wlan_private *priv = dev->priv; | |
370 | ||
9012b28a | 371 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 372 | |
634b8f49 | 373 | if (priv->dnld_sent || priv->adapter->TxLockFlag) { |
876c9d3a MT |
374 | priv->stats.tx_dropped++; |
375 | goto done; | |
376 | } | |
377 | ||
634b8f49 | 378 | netif_stop_queue(priv->dev); |
51d84f50 | 379 | netif_stop_queue(priv->mesh_dev); |
876c9d3a MT |
380 | |
381 | if (libertas_process_tx(priv, skb) == 0) | |
382 | dev->trans_start = jiffies; | |
383 | done: | |
9012b28a | 384 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
385 | return ret; |
386 | } | |
387 | ||
388 | /** | |
389 | * @brief Mark mesh packets and handover them to wlan_hard_start_xmit | |
390 | * | |
391 | */ | |
392 | static int mesh_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
393 | { | |
394 | wlan_private *priv = dev->priv; | |
9012b28a HS |
395 | int ret; |
396 | ||
397 | lbs_deb_enter(LBS_DEB_MESH); | |
398 | ||
876c9d3a | 399 | SET_MESH_FRAME(skb); |
876c9d3a | 400 | |
634b8f49 | 401 | ret = wlan_hard_start_xmit(skb, priv->dev); |
9012b28a HS |
402 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); |
403 | return ret; | |
876c9d3a MT |
404 | } |
405 | ||
406 | /** | |
407 | * @brief Mark non-mesh packets and handover them to wlan_hard_start_xmit | |
408 | * | |
409 | */ | |
9012b28a HS |
410 | static int wlan_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) |
411 | { | |
412 | int ret; | |
413 | ||
414 | lbs_deb_enter(LBS_DEB_NET); | |
415 | ||
876c9d3a | 416 | UNSET_MESH_FRAME(skb); |
9012b28a HS |
417 | |
418 | ret = wlan_hard_start_xmit(skb, dev); | |
419 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
420 | return ret; | |
876c9d3a MT |
421 | } |
422 | ||
423 | static void wlan_tx_timeout(struct net_device *dev) | |
424 | { | |
425 | wlan_private *priv = (wlan_private *) dev->priv; | |
426 | ||
9012b28a | 427 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 428 | |
9012b28a | 429 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 430 | |
634b8f49 | 431 | priv->dnld_sent = DNLD_RES_RECEIVED; |
876c9d3a MT |
432 | dev->trans_start = jiffies; |
433 | ||
434 | if (priv->adapter->currenttxskb) { | |
435 | if (priv->adapter->radiomode == WLAN_RADIOMODE_RADIOTAP) { | |
436 | /* If we are here, we have not received feedback from | |
437 | the previous packet. Assume TX_FAIL and move on. */ | |
438 | priv->adapter->eventcause = 0x01000000; | |
439 | libertas_send_tx_feedback(priv); | |
440 | } else | |
441 | wake_up_interruptible(&priv->mainthread.waitq); | |
51d84f50 | 442 | } else if (priv->adapter->connect_status == libertas_connected) { |
634b8f49 | 443 | netif_wake_queue(priv->dev); |
51d84f50 JC |
444 | netif_wake_queue(priv->mesh_dev); |
445 | } | |
876c9d3a | 446 | |
9012b28a | 447 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
448 | } |
449 | ||
450 | /** | |
451 | * @brief This function returns the network statistics | |
452 | * | |
453 | * @param dev A pointer to wlan_private structure | |
454 | * @return A pointer to net_device_stats structure | |
455 | */ | |
456 | static struct net_device_stats *wlan_get_stats(struct net_device *dev) | |
457 | { | |
458 | wlan_private *priv = (wlan_private *) dev->priv; | |
459 | ||
460 | return &priv->stats; | |
461 | } | |
462 | ||
463 | static int wlan_set_mac_address(struct net_device *dev, void *addr) | |
464 | { | |
465 | int ret = 0; | |
466 | wlan_private *priv = (wlan_private *) dev->priv; | |
467 | wlan_adapter *adapter = priv->adapter; | |
468 | struct sockaddr *phwaddr = addr; | |
469 | ||
9012b28a | 470 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 471 | |
0a0d08ac LCCR |
472 | /* In case it was called from the mesh device */ |
473 | dev = priv->dev ; | |
474 | ||
876c9d3a MT |
475 | memset(adapter->current_addr, 0, ETH_ALEN); |
476 | ||
477 | /* dev->dev_addr is 8 bytes */ | |
478 | lbs_dbg_hex("dev->dev_addr:", dev->dev_addr, ETH_ALEN); | |
479 | ||
480 | lbs_dbg_hex("addr:", phwaddr->sa_data, ETH_ALEN); | |
481 | memcpy(adapter->current_addr, phwaddr->sa_data, ETH_ALEN); | |
482 | ||
483 | ret = libertas_prepare_and_send_command(priv, cmd_802_11_mac_address, | |
484 | cmd_act_set, | |
485 | cmd_option_waitforrsp, 0, NULL); | |
486 | ||
487 | if (ret) { | |
9012b28a | 488 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
489 | ret = -1; |
490 | goto done; | |
491 | } | |
492 | ||
493 | lbs_dbg_hex("adapter->macaddr:", adapter->current_addr, ETH_ALEN); | |
494 | memcpy(dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
78523daa HS |
495 | if (priv->mesh_dev) |
496 | memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
876c9d3a MT |
497 | |
498 | done: | |
9012b28a | 499 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
500 | return ret; |
501 | } | |
502 | ||
503 | static int wlan_copy_multicast_address(wlan_adapter * adapter, | |
504 | struct net_device *dev) | |
505 | { | |
506 | int i = 0; | |
507 | struct dev_mc_list *mcptr = dev->mc_list; | |
508 | ||
509 | for (i = 0; i < dev->mc_count; i++) { | |
510 | memcpy(&adapter->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); | |
511 | mcptr = mcptr->next; | |
512 | } | |
513 | ||
514 | return i; | |
515 | ||
516 | } | |
517 | ||
518 | static void wlan_set_multicast_list(struct net_device *dev) | |
519 | { | |
520 | wlan_private *priv = dev->priv; | |
521 | wlan_adapter *adapter = priv->adapter; | |
522 | int oldpacketfilter; | |
523 | ||
9012b28a | 524 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
525 | |
526 | oldpacketfilter = adapter->currentpacketfilter; | |
527 | ||
528 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 529 | lbs_deb_net("enable promiscuous mode\n"); |
876c9d3a MT |
530 | adapter->currentpacketfilter |= |
531 | cmd_act_mac_promiscuous_enable; | |
532 | adapter->currentpacketfilter &= | |
533 | ~(cmd_act_mac_all_multicast_enable | | |
534 | cmd_act_mac_multicast_enable); | |
535 | } else { | |
536 | /* Multicast */ | |
537 | adapter->currentpacketfilter &= | |
538 | ~cmd_act_mac_promiscuous_enable; | |
539 | ||
540 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
541 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 542 | lbs_deb_net( "enabling all multicast\n"); |
876c9d3a MT |
543 | adapter->currentpacketfilter |= |
544 | cmd_act_mac_all_multicast_enable; | |
545 | adapter->currentpacketfilter &= | |
546 | ~cmd_act_mac_multicast_enable; | |
547 | } else { | |
548 | adapter->currentpacketfilter &= | |
549 | ~cmd_act_mac_all_multicast_enable; | |
550 | ||
551 | if (!dev->mc_count) { | |
9012b28a HS |
552 | lbs_deb_net("no multicast addresses, " |
553 | "disabling multicast\n"); | |
876c9d3a MT |
554 | adapter->currentpacketfilter &= |
555 | ~cmd_act_mac_multicast_enable; | |
556 | } else { | |
557 | int i; | |
558 | ||
559 | adapter->currentpacketfilter |= | |
560 | cmd_act_mac_multicast_enable; | |
561 | ||
562 | adapter->nr_of_multicastmacaddr = | |
563 | wlan_copy_multicast_address(adapter, dev); | |
564 | ||
9012b28a | 565 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
566 | dev->mc_count); |
567 | ||
568 | for (i = 0; i < dev->mc_count; i++) { | |
9012b28a HS |
569 | lbs_deb_net("Multicast address %d:" |
570 | MAC_FMT "\n", i, | |
876c9d3a MT |
571 | adapter->multicastlist[i][0], |
572 | adapter->multicastlist[i][1], | |
573 | adapter->multicastlist[i][2], | |
574 | adapter->multicastlist[i][3], | |
575 | adapter->multicastlist[i][4], | |
576 | adapter->multicastlist[i][5]); | |
577 | } | |
9012b28a | 578 | /* send multicast addresses to firmware */ |
876c9d3a MT |
579 | libertas_prepare_and_send_command(priv, |
580 | cmd_mac_multicast_adr, | |
581 | cmd_act_set, 0, 0, | |
582 | NULL); | |
583 | } | |
584 | } | |
585 | } | |
586 | ||
587 | if (adapter->currentpacketfilter != oldpacketfilter) { | |
588 | libertas_set_mac_packet_filter(priv); | |
589 | } | |
590 | ||
9012b28a | 591 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
592 | } |
593 | ||
594 | /** | |
9012b28a HS |
595 | * @brief This function handles the major jobs in the WLAN driver. |
596 | * It handles all events generated by firmware, RX data received | |
597 | * from firmware and TX data sent from kernel. | |
876c9d3a MT |
598 | * |
599 | * @param data A pointer to wlan_thread structure | |
600 | * @return 0 | |
601 | */ | |
602 | static int wlan_service_main_thread(void *data) | |
603 | { | |
604 | struct wlan_thread *thread = data; | |
605 | wlan_private *priv = thread->priv; | |
606 | wlan_adapter *adapter = priv->adapter; | |
607 | wait_queue_t wait; | |
608 | u8 ireg = 0; | |
609 | ||
9012b28a | 610 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a MT |
611 | |
612 | wlan_activate_thread(thread); | |
613 | ||
614 | init_waitqueue_entry(&wait, current); | |
615 | ||
83144186 | 616 | set_freezable(); |
876c9d3a | 617 | for (;;) { |
9012b28a | 618 | lbs_deb_thread( "main-thread 111: intcounter=%d " |
876c9d3a MT |
619 | "currenttxskb=%p dnld_sent=%d\n", |
620 | adapter->intcounter, | |
634b8f49 | 621 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
622 | |
623 | add_wait_queue(&thread->waitq, &wait); | |
624 | set_current_state(TASK_INTERRUPTIBLE); | |
625 | spin_lock_irq(&adapter->driver_lock); | |
626 | if ((adapter->psstate == PS_STATE_SLEEP) || | |
627 | (!adapter->intcounter | |
634b8f49 | 628 | && (priv->dnld_sent || adapter->cur_cmd || |
876c9d3a | 629 | list_empty(&adapter->cmdpendingq)))) { |
9012b28a | 630 | lbs_deb_thread( |
876c9d3a MT |
631 | "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
632 | adapter->connect_status, adapter->intcounter, | |
633 | adapter->psmode, adapter->psstate); | |
634 | spin_unlock_irq(&adapter->driver_lock); | |
635 | schedule(); | |
636 | } else | |
637 | spin_unlock_irq(&adapter->driver_lock); | |
638 | ||
639 | ||
9012b28a | 640 | lbs_deb_thread( |
876c9d3a MT |
641 | "main-thread 222 (waking up): intcounter=%d currenttxskb=%p " |
642 | "dnld_sent=%d\n", adapter->intcounter, | |
634b8f49 | 643 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
644 | |
645 | set_current_state(TASK_RUNNING); | |
646 | remove_wait_queue(&thread->waitq, &wait); | |
647 | try_to_freeze(); | |
648 | ||
9012b28a | 649 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
650 | "dnld_sent=%d\n", |
651 | adapter->intcounter, | |
634b8f49 | 652 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
653 | |
654 | if (kthread_should_stop() | |
655 | || adapter->surpriseremoved) { | |
9012b28a | 656 | lbs_deb_thread( |
876c9d3a MT |
657 | "main-thread: break from main thread: surpriseremoved=0x%x\n", |
658 | adapter->surpriseremoved); | |
659 | break; | |
660 | } | |
661 | ||
662 | ||
663 | spin_lock_irq(&adapter->driver_lock); | |
664 | if (adapter->intcounter) { | |
665 | u8 int_status; | |
666 | adapter->intcounter = 0; | |
208fdd2f | 667 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
668 | |
669 | if (int_status) { | |
9012b28a | 670 | lbs_deb_thread( |
876c9d3a MT |
671 | "main-thread: reading HOST_INT_STATUS_REG failed\n"); |
672 | spin_unlock_irq(&adapter->driver_lock); | |
673 | continue; | |
674 | } | |
675 | adapter->hisregcpy |= ireg; | |
676 | } | |
677 | ||
9012b28a | 678 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
679 | "dnld_sent=%d\n", |
680 | adapter->intcounter, | |
634b8f49 | 681 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
682 | |
683 | /* command response? */ | |
684 | if (adapter->hisregcpy & his_cmdupldrdy) { | |
9012b28a | 685 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a MT |
686 | |
687 | adapter->hisregcpy &= ~his_cmdupldrdy; | |
688 | spin_unlock_irq(&adapter->driver_lock); | |
689 | libertas_process_rx_command(priv); | |
690 | spin_lock_irq(&adapter->driver_lock); | |
691 | } | |
692 | ||
693 | /* Any Card Event */ | |
694 | if (adapter->hisregcpy & his_cardevent) { | |
9012b28a | 695 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a MT |
696 | |
697 | adapter->hisregcpy &= ~his_cardevent; | |
698 | ||
208fdd2f | 699 | if (priv->hw_read_event_cause(priv)) { |
876c9d3a | 700 | lbs_pr_alert( |
208fdd2f | 701 | "main-thread: hw_read_event_cause failed\n"); |
876c9d3a MT |
702 | spin_unlock_irq(&adapter->driver_lock); |
703 | continue; | |
704 | } | |
705 | spin_unlock_irq(&adapter->driver_lock); | |
706 | libertas_process_event(priv); | |
707 | } else | |
708 | spin_unlock_irq(&adapter->driver_lock); | |
709 | ||
710 | /* Check if we need to confirm Sleep Request received previously */ | |
711 | if (adapter->psstate == PS_STATE_PRE_SLEEP) { | |
634b8f49 | 712 | if (!priv->dnld_sent && !adapter->cur_cmd) { |
876c9d3a MT |
713 | if (adapter->connect_status == |
714 | libertas_connected) { | |
9012b28a | 715 | lbs_deb_thread( |
876c9d3a MT |
716 | "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p " |
717 | "dnld_sent=%d cur_cmd=%p, confirm now\n", | |
718 | adapter->intcounter, | |
719 | adapter->currenttxskb, | |
634b8f49 | 720 | priv->dnld_sent, |
876c9d3a MT |
721 | adapter->cur_cmd); |
722 | ||
723 | libertas_ps_confirm_sleep(priv, | |
724 | (u16) adapter->psmode); | |
725 | } else { | |
726 | /* workaround for firmware sending | |
727 | * deauth/linkloss event immediately | |
728 | * after sleep request, remove this | |
729 | * after firmware fixes it | |
730 | */ | |
731 | adapter->psstate = PS_STATE_AWAKE; | |
732 | lbs_pr_alert( | |
733 | "main-thread: ignore PS_SleepConfirm in non-connected state\n"); | |
734 | } | |
735 | } | |
736 | } | |
737 | ||
738 | /* The PS state is changed during processing of Sleep Request | |
739 | * event above | |
740 | */ | |
741 | if ((priv->adapter->psstate == PS_STATE_SLEEP) || | |
742 | (priv->adapter->psstate == PS_STATE_PRE_SLEEP)) | |
743 | continue; | |
744 | ||
745 | /* Execute the next command */ | |
634b8f49 | 746 | if (!priv->dnld_sent && !priv->adapter->cur_cmd) |
876c9d3a MT |
747 | libertas_execute_next_command(priv); |
748 | ||
749 | /* Wake-up command waiters which can't sleep in | |
750 | * libertas_prepare_and_send_command | |
751 | */ | |
752 | if (!adapter->nr_cmd_pending) | |
753 | wake_up_all(&adapter->cmd_pending); | |
754 | ||
755 | libertas_tx_runqueue(priv); | |
756 | } | |
757 | ||
758 | del_timer(&adapter->command_timer); | |
759 | adapter->nr_cmd_pending = 0; | |
760 | wake_up_all(&adapter->cmd_pending); | |
761 | wlan_deactivate_thread(thread); | |
762 | ||
9012b28a | 763 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
764 | return 0; |
765 | } | |
766 | ||
767 | /** | |
768 | * @brief This function adds the card. it will probe the | |
769 | * card, allocate the wlan_priv and initialize the device. | |
770 | * | |
771 | * @param card A pointer to card | |
772 | * @return A pointer to wlan_private structure | |
773 | */ | |
7732ca45 | 774 | wlan_private *libertas_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
775 | { |
776 | struct net_device *dev = NULL; | |
876c9d3a MT |
777 | wlan_private *priv = NULL; |
778 | ||
9012b28a | 779 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
780 | |
781 | /* Allocate an Ethernet device and register it */ | |
782 | if (!(dev = alloc_etherdev(sizeof(wlan_private)))) { | |
9012b28a | 783 | lbs_pr_err("init ethX device failed\n"); |
876c9d3a MT |
784 | return NULL; |
785 | } | |
876c9d3a MT |
786 | priv = dev->priv; |
787 | ||
788 | /* allocate buffer for wlan_adapter */ | |
fb3dddf2 | 789 | if (!(priv->adapter = kzalloc(sizeof(wlan_adapter), GFP_KERNEL))) { |
9012b28a | 790 | lbs_pr_err("allocate buffer for wlan_adapter failed\n"); |
fb3dddf2 | 791 | goto err_kzalloc; |
876c9d3a MT |
792 | } |
793 | ||
634b8f49 HS |
794 | priv->dev = dev; |
795 | priv->card = card; | |
876c9d3a MT |
796 | priv->mesh_open = 0; |
797 | priv->infra_open = 0; | |
876c9d3a MT |
798 | |
799 | SET_MODULE_OWNER(dev); | |
876c9d3a MT |
800 | |
801 | /* Setup the OS Interface to our functions */ | |
802 | dev->open = wlan_open; | |
803 | dev->hard_start_xmit = wlan_pre_start_xmit; | |
804 | dev->stop = wlan_close; | |
876c9d3a | 805 | dev->set_mac_address = wlan_set_mac_address; |
876c9d3a MT |
806 | dev->tx_timeout = wlan_tx_timeout; |
807 | dev->get_stats = wlan_get_stats; | |
fb3dddf2 | 808 | dev->watchdog_timeo = 5 * HZ; |
876c9d3a | 809 | dev->ethtool_ops = &libertas_ethtool_ops; |
876c9d3a MT |
810 | #ifdef WIRELESS_EXT |
811 | dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def; | |
876c9d3a MT |
812 | #endif |
813 | #define NETIF_F_DYNALLOC 16 | |
814 | dev->features |= NETIF_F_DYNALLOC; | |
815 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
816 | dev->set_multicast_list = wlan_set_multicast_list; | |
817 | ||
7732ca45 DW |
818 | SET_NETDEV_DEV(dev, dmdev); |
819 | ||
876c9d3a MT |
820 | INIT_LIST_HEAD(&priv->adapter->cmdfreeq); |
821 | INIT_LIST_HEAD(&priv->adapter->cmdpendingq); | |
822 | ||
823 | spin_lock_init(&priv->adapter->driver_lock); | |
824 | init_waitqueue_head(&priv->adapter->cmd_pending); | |
825 | priv->adapter->nr_cmd_pending = 0; | |
32a74b7c HS |
826 | goto done; |
827 | ||
828 | err_kzalloc: | |
829 | free_netdev(dev); | |
6a812157 | 830 | priv = NULL; |
32a74b7c HS |
831 | done: |
832 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
833 | return priv; | |
834 | } | |
084708b6 | 835 | EXPORT_SYMBOL_GPL(libertas_add_card); |
32a74b7c | 836 | |
084708b6 | 837 | int libertas_activate_card(wlan_private *priv, char *fw_name) |
32a74b7c | 838 | { |
634b8f49 | 839 | struct net_device *dev = priv->dev; |
32a74b7c HS |
840 | int ret = -1; |
841 | ||
842 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 843 | |
9012b28a | 844 | lbs_deb_thread("Starting kthread...\n"); |
876c9d3a MT |
845 | priv->mainthread.priv = priv; |
846 | wlan_create_thread(wlan_service_main_thread, | |
847 | &priv->mainthread, "wlan_main_service"); | |
848 | ||
849 | priv->assoc_thread = | |
850 | create_singlethread_workqueue("libertas_assoc"); | |
eb3ce631 | 851 | INIT_DELAYED_WORK(&priv->assoc_work, libertas_association_worker); |
b8bedefd | 852 | INIT_WORK(&priv->sync_channel, libertas_sync_channel); |
876c9d3a MT |
853 | |
854 | /* | |
855 | * Register the device. Fillup the private data structure with | |
856 | * relevant information from the card and request for the required | |
857 | * IRQ. | |
858 | */ | |
208fdd2f | 859 | if (priv->hw_register_dev(priv) < 0) { |
9012b28a | 860 | lbs_pr_err("failed to register WLAN device\n"); |
876c9d3a MT |
861 | goto err_registerdev; |
862 | } | |
863 | ||
864 | /* init FW and HW */ | |
084708b6 | 865 | if (fw_name && libertas_init_fw(priv, fw_name)) { |
9012b28a | 866 | lbs_pr_err("firmware init failed\n"); |
876c9d3a MT |
867 | goto err_registerdev; |
868 | } | |
869 | ||
870 | if (register_netdev(dev)) { | |
9012b28a | 871 | lbs_pr_err("cannot register ethX device\n"); |
876c9d3a MT |
872 | goto err_init_fw; |
873 | } | |
874 | ||
9012b28a | 875 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
876c9d3a MT |
876 | |
877 | libertas_debugfs_init_one(priv, dev); | |
878 | ||
32a74b7c HS |
879 | ret = 0; |
880 | goto done; | |
876c9d3a | 881 | |
876c9d3a | 882 | err_init_fw: |
208fdd2f | 883 | priv->hw_unregister_dev(priv); |
876c9d3a MT |
884 | err_registerdev: |
885 | destroy_workqueue(priv->assoc_thread); | |
886 | /* Stop the thread servicing the interrupts */ | |
887 | wake_up_interruptible(&priv->mainthread.waitq); | |
888 | wlan_terminate_thread(&priv->mainthread); | |
32a74b7c HS |
889 | done: |
890 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
891 | return ret; | |
876c9d3a | 892 | } |
084708b6 HS |
893 | EXPORT_SYMBOL_GPL(libertas_activate_card); |
894 | ||
876c9d3a | 895 | |
78523daa HS |
896 | /** |
897 | * @brief This function adds mshX interface | |
898 | * | |
899 | * @param priv A pointer to the wlan_private structure | |
900 | * @return 0 if successful, -X otherwise | |
901 | */ | |
7732ca45 | 902 | int libertas_add_mesh(wlan_private *priv, struct device *dev) |
78523daa HS |
903 | { |
904 | struct net_device *mesh_dev = NULL; | |
905 | int ret = 0; | |
906 | ||
907 | lbs_deb_enter(LBS_DEB_MESH); | |
908 | ||
909 | /* Allocate a virtual mesh device */ | |
910 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
911 | lbs_deb_mesh("init mshX device failed\n"); | |
912 | ret = -ENOMEM; | |
913 | goto done; | |
914 | } | |
915 | mesh_dev->priv = priv; | |
916 | priv->mesh_dev = mesh_dev; | |
917 | ||
918 | SET_MODULE_OWNER(mesh_dev); | |
919 | ||
920 | mesh_dev->open = mesh_open; | |
921 | mesh_dev->hard_start_xmit = mesh_pre_start_xmit; | |
922 | mesh_dev->stop = mesh_close; | |
78523daa | 923 | mesh_dev->get_stats = wlan_get_stats; |
0a0d08ac | 924 | mesh_dev->set_mac_address = wlan_set_mac_address; |
78523daa | 925 | mesh_dev->ethtool_ops = &libertas_ethtool_ops; |
634b8f49 HS |
926 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
927 | sizeof(priv->dev->dev_addr)); | |
78523daa | 928 | |
7732ca45 DW |
929 | SET_NETDEV_DEV(priv->mesh_dev, dev); |
930 | ||
78523daa | 931 | #ifdef WIRELESS_EXT |
f5e05b69 | 932 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa HS |
933 | #endif |
934 | #define NETIF_F_DYNALLOC 16 | |
935 | ||
936 | /* Register virtual mesh interface */ | |
937 | ret = register_netdev(mesh_dev); | |
938 | if (ret) { | |
939 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
940 | goto err_free; | |
941 | } | |
942 | ||
82fde74b | 943 | ret = device_create_file(&(mesh_dev->dev), &dev_attr_anycast_mask); |
78523daa HS |
944 | if (ret) |
945 | goto err_unregister; | |
946 | ||
947 | /* Everything successful */ | |
948 | ret = 0; | |
949 | goto done; | |
950 | ||
951 | ||
952 | err_unregister: | |
953 | unregister_netdev(mesh_dev); | |
954 | ||
955 | err_free: | |
956 | free_netdev(mesh_dev); | |
957 | ||
958 | done: | |
959 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
960 | return ret; | |
961 | } | |
084708b6 | 962 | EXPORT_SYMBOL_GPL(libertas_add_mesh); |
78523daa | 963 | |
876c9d3a MT |
964 | static void wake_pending_cmdnodes(wlan_private *priv) |
965 | { | |
966 | struct cmd_ctrl_node *cmdnode; | |
967 | unsigned long flags; | |
968 | ||
9012b28a HS |
969 | lbs_deb_enter(LBS_DEB_CMD); |
970 | ||
876c9d3a MT |
971 | spin_lock_irqsave(&priv->adapter->driver_lock, flags); |
972 | list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) { | |
973 | cmdnode->cmdwaitqwoken = 1; | |
974 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
975 | } | |
976 | spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); | |
977 | } | |
978 | ||
979 | ||
084708b6 | 980 | int libertas_remove_card(wlan_private *priv) |
876c9d3a | 981 | { |
876c9d3a MT |
982 | wlan_adapter *adapter; |
983 | struct net_device *dev; | |
876c9d3a | 984 | union iwreq_data wrqu; |
876c9d3a | 985 | |
9012b28a | 986 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 987 | |
9012b28a HS |
988 | if (!priv) |
989 | goto out; | |
876c9d3a MT |
990 | |
991 | adapter = priv->adapter; | |
992 | ||
9012b28a HS |
993 | if (!adapter) |
994 | goto out; | |
876c9d3a | 995 | |
634b8f49 | 996 | dev = priv->dev; |
876c9d3a | 997 | |
634b8f49 HS |
998 | netif_stop_queue(priv->dev); |
999 | netif_carrier_off(priv->dev); | |
876c9d3a MT |
1000 | |
1001 | wake_pending_cmdnodes(priv); | |
1002 | ||
876c9d3a MT |
1003 | unregister_netdev(dev); |
1004 | ||
1005 | cancel_delayed_work(&priv->assoc_work); | |
1006 | destroy_workqueue(priv->assoc_thread); | |
1007 | ||
1008 | if (adapter->psmode == wlan802_11powermodemax_psp) { | |
1009 | adapter->psmode = wlan802_11powermodecam; | |
1010 | libertas_ps_wakeup(priv, cmd_option_waitforrsp); | |
1011 | } | |
1012 | ||
1013 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); | |
1014 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
634b8f49 | 1015 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); |
876c9d3a | 1016 | |
876c9d3a MT |
1017 | adapter->surpriseremoved = 1; |
1018 | ||
1019 | /* Stop the thread servicing the interrupts */ | |
1020 | wlan_terminate_thread(&priv->mainthread); | |
1021 | ||
1022 | libertas_debugfs_remove_one(priv); | |
1023 | ||
9012b28a | 1024 | lbs_deb_net("free adapter\n"); |
876c9d3a MT |
1025 | libertas_free_adapter(priv); |
1026 | ||
9012b28a | 1027 | lbs_deb_net("unregister finish\n"); |
876c9d3a | 1028 | |
634b8f49 | 1029 | priv->dev = NULL; |
876c9d3a | 1030 | free_netdev(dev); |
876c9d3a | 1031 | |
9012b28a HS |
1032 | out: |
1033 | lbs_deb_leave(LBS_DEB_NET); | |
876c9d3a MT |
1034 | return 0; |
1035 | } | |
084708b6 | 1036 | EXPORT_SYMBOL_GPL(libertas_remove_card); |
876c9d3a | 1037 | |
084708b6 HS |
1038 | |
1039 | void libertas_remove_mesh(wlan_private *priv) | |
78523daa HS |
1040 | { |
1041 | struct net_device *mesh_dev; | |
1042 | ||
1043 | lbs_deb_enter(LBS_DEB_NET); | |
1044 | ||
1045 | if (!priv) | |
1046 | goto out; | |
1047 | ||
1048 | mesh_dev = priv->mesh_dev; | |
1049 | ||
1050 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1051 | netif_carrier_off(priv->mesh_dev); |
78523daa | 1052 | |
82fde74b | 1053 | device_remove_file(&(mesh_dev->dev), &dev_attr_anycast_mask); |
78523daa HS |
1054 | unregister_netdev(mesh_dev); |
1055 | ||
1056 | priv->mesh_dev = NULL ; | |
1057 | free_netdev(mesh_dev); | |
1058 | ||
1059 | out: | |
1060 | lbs_deb_leave(LBS_DEB_NET); | |
1061 | } | |
084708b6 | 1062 | EXPORT_SYMBOL_GPL(libertas_remove_mesh); |
78523daa | 1063 | |
876c9d3a MT |
1064 | /** |
1065 | * @brief This function finds the CFP in | |
1066 | * region_cfp_table based on region and band parameter. | |
1067 | * | |
1068 | * @param region The region code | |
1069 | * @param band The band | |
1070 | * @param cfp_no A pointer to CFP number | |
1071 | * @return A pointer to CFP | |
1072 | */ | |
1073 | struct chan_freq_power *libertas_get_region_cfp_table(u8 region, u8 band, int *cfp_no) | |
1074 | { | |
1075 | int i, end; | |
1076 | ||
9012b28a | 1077 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1078 | |
1079 | end = sizeof(region_cfp_table)/sizeof(struct region_cfp_table); | |
1080 | ||
1081 | for (i = 0; i < end ; i++) { | |
9012b28a | 1082 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1083 | region_cfp_table[i].region); |
1084 | if (region_cfp_table[i].region == region) { | |
1085 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1086 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1087 | return region_cfp_table[i].cfp_BG; |
1088 | } | |
1089 | } | |
1090 | ||
9012b28a | 1091 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1092 | return NULL; |
1093 | } | |
1094 | ||
1095 | int libertas_set_regiontable(wlan_private * priv, u8 region, u8 band) | |
1096 | { | |
1097 | wlan_adapter *adapter = priv->adapter; | |
9012b28a | 1098 | int ret = 0; |
876c9d3a MT |
1099 | int i = 0; |
1100 | ||
1101 | struct chan_freq_power *cfp; | |
1102 | int cfp_no; | |
1103 | ||
9012b28a | 1104 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1105 | |
1106 | memset(adapter->region_channel, 0, sizeof(adapter->region_channel)); | |
1107 | ||
1108 | { | |
1109 | cfp = libertas_get_region_cfp_table(region, band, &cfp_no); | |
1110 | if (cfp != NULL) { | |
1111 | adapter->region_channel[i].nrcfp = cfp_no; | |
1112 | adapter->region_channel[i].CFP = cfp; | |
1113 | } else { | |
9012b28a | 1114 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1115 | region); |
9012b28a HS |
1116 | ret = -1; |
1117 | goto out; | |
876c9d3a MT |
1118 | } |
1119 | adapter->region_channel[i].valid = 1; | |
1120 | adapter->region_channel[i].region = region; | |
1121 | adapter->region_channel[i].band = band; | |
1122 | i++; | |
1123 | } | |
9012b28a HS |
1124 | out: |
1125 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1126 | return ret; | |
876c9d3a MT |
1127 | } |
1128 | ||
1129 | /** | |
1130 | * @brief This function handles the interrupt. it will change PS | |
1131 | * state if applicable. it will wake up main_thread to handle | |
1132 | * the interrupt event as well. | |
1133 | * | |
1134 | * @param dev A pointer to net_device structure | |
1135 | * @return n/a | |
1136 | */ | |
1137 | void libertas_interrupt(struct net_device *dev) | |
1138 | { | |
1139 | wlan_private *priv = dev->priv; | |
1140 | ||
ed37b516 | 1141 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1142 | |
ed37b516 | 1143 | lbs_deb_thread("libertas_interrupt: intcounter=%d\n", |
876c9d3a MT |
1144 | priv->adapter->intcounter); |
1145 | ||
1146 | priv->adapter->intcounter++; | |
1147 | ||
1148 | if (priv->adapter->psstate == PS_STATE_SLEEP) { | |
1149 | priv->adapter->psstate = PS_STATE_AWAKE; | |
1150 | netif_wake_queue(dev); | |
51d84f50 | 1151 | netif_wake_queue(priv->mesh_dev); |
876c9d3a MT |
1152 | } |
1153 | ||
1154 | wake_up_interruptible(&priv->mainthread.waitq); | |
1155 | ||
ed37b516 | 1156 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1157 | } |
084708b6 | 1158 | EXPORT_SYMBOL_GPL(libertas_interrupt); |
876c9d3a | 1159 | |
084708b6 | 1160 | static int libertas_init_module(void) |
876c9d3a | 1161 | { |
9012b28a | 1162 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1163 | libertas_debugfs_init(); |
084708b6 HS |
1164 | lbs_deb_leave(LBS_DEB_MAIN); |
1165 | return 0; | |
876c9d3a MT |
1166 | } |
1167 | ||
084708b6 | 1168 | static void libertas_exit_module(void) |
876c9d3a | 1169 | { |
9012b28a | 1170 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1171 | |
876c9d3a MT |
1172 | libertas_debugfs_remove(); |
1173 | ||
9012b28a | 1174 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1175 | } |
1176 | ||
084708b6 HS |
1177 | module_init(libertas_init_module); |
1178 | module_exit(libertas_exit_module); | |
876c9d3a | 1179 | |
084708b6 | 1180 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1181 | MODULE_AUTHOR("Marvell International Ltd."); |
1182 | MODULE_LICENSE("GPL"); |