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> | |
fe336150 | 13 | #include <linux/kthread.h> |
876c9d3a MT |
14 | |
15 | #include <net/iw_handler.h> | |
9012b28a | 16 | #include <net/ieee80211.h> |
876c9d3a MT |
17 | |
18 | #include "host.h" | |
876c9d3a MT |
19 | #include "decl.h" |
20 | #include "dev.h" | |
876c9d3a MT |
21 | #include "wext.h" |
22 | #include "debugfs.h" | |
23 | #include "assoc.h" | |
965f8bbc | 24 | #include "join.h" |
876c9d3a | 25 | |
7856a541 | 26 | #define DRIVER_RELEASE_VERSION "323.p0" |
3ce40232 DW |
27 | const char libertas_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
28 | #ifdef DEBUG | |
29 | "-dbg" | |
30 | #endif | |
31 | ""; | |
32 | ||
a46c6410 HS |
33 | |
34 | /* Module parameters */ | |
35 | unsigned int libertas_debug = 0; | |
36 | module_param(libertas_debug, int, 0644); | |
084708b6 | 37 | EXPORT_SYMBOL_GPL(libertas_debug); |
a46c6410 HS |
38 | |
39 | ||
876c9d3a MT |
40 | #define WLAN_TX_PWR_DEFAULT 20 /*100mW */ |
41 | #define WLAN_TX_PWR_US_DEFAULT 20 /*100mW */ | |
42 | #define WLAN_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
43 | #define WLAN_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
44 | #define WLAN_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
45 | ||
46 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
47 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
48 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
49 | {1, 2412, WLAN_TX_PWR_US_DEFAULT}, | |
50 | {2, 2417, WLAN_TX_PWR_US_DEFAULT}, | |
51 | {3, 2422, WLAN_TX_PWR_US_DEFAULT}, | |
52 | {4, 2427, WLAN_TX_PWR_US_DEFAULT}, | |
53 | {5, 2432, WLAN_TX_PWR_US_DEFAULT}, | |
54 | {6, 2437, WLAN_TX_PWR_US_DEFAULT}, | |
55 | {7, 2442, WLAN_TX_PWR_US_DEFAULT}, | |
56 | {8, 2447, WLAN_TX_PWR_US_DEFAULT}, | |
57 | {9, 2452, WLAN_TX_PWR_US_DEFAULT}, | |
58 | {10, 2457, WLAN_TX_PWR_US_DEFAULT}, | |
59 | {11, 2462, WLAN_TX_PWR_US_DEFAULT} | |
60 | }; | |
61 | ||
62 | /* band: 'B/G', region: Europe ETSI */ | |
63 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
64 | {1, 2412, WLAN_TX_PWR_EMEA_DEFAULT}, | |
65 | {2, 2417, WLAN_TX_PWR_EMEA_DEFAULT}, | |
66 | {3, 2422, WLAN_TX_PWR_EMEA_DEFAULT}, | |
67 | {4, 2427, WLAN_TX_PWR_EMEA_DEFAULT}, | |
68 | {5, 2432, WLAN_TX_PWR_EMEA_DEFAULT}, | |
69 | {6, 2437, WLAN_TX_PWR_EMEA_DEFAULT}, | |
70 | {7, 2442, WLAN_TX_PWR_EMEA_DEFAULT}, | |
71 | {8, 2447, WLAN_TX_PWR_EMEA_DEFAULT}, | |
72 | {9, 2452, WLAN_TX_PWR_EMEA_DEFAULT}, | |
73 | {10, 2457, WLAN_TX_PWR_EMEA_DEFAULT}, | |
74 | {11, 2462, WLAN_TX_PWR_EMEA_DEFAULT}, | |
75 | {12, 2467, WLAN_TX_PWR_EMEA_DEFAULT}, | |
76 | {13, 2472, WLAN_TX_PWR_EMEA_DEFAULT} | |
77 | }; | |
78 | ||
79 | /* band: 'B/G', region: Spain */ | |
80 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
81 | {10, 2457, WLAN_TX_PWR_DEFAULT}, | |
82 | {11, 2462, WLAN_TX_PWR_DEFAULT} | |
83 | }; | |
84 | ||
85 | /* band: 'B/G', region: France */ | |
86 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
87 | {10, 2457, WLAN_TX_PWR_FR_DEFAULT}, | |
88 | {11, 2462, WLAN_TX_PWR_FR_DEFAULT}, | |
89 | {12, 2467, WLAN_TX_PWR_FR_DEFAULT}, | |
90 | {13, 2472, WLAN_TX_PWR_FR_DEFAULT} | |
91 | }; | |
92 | ||
93 | /* band: 'B/G', region: Japan */ | |
94 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
95 | {1, 2412, WLAN_TX_PWR_JP_DEFAULT}, | |
96 | {2, 2417, WLAN_TX_PWR_JP_DEFAULT}, | |
97 | {3, 2422, WLAN_TX_PWR_JP_DEFAULT}, | |
98 | {4, 2427, WLAN_TX_PWR_JP_DEFAULT}, | |
99 | {5, 2432, WLAN_TX_PWR_JP_DEFAULT}, | |
100 | {6, 2437, WLAN_TX_PWR_JP_DEFAULT}, | |
101 | {7, 2442, WLAN_TX_PWR_JP_DEFAULT}, | |
102 | {8, 2447, WLAN_TX_PWR_JP_DEFAULT}, | |
103 | {9, 2452, WLAN_TX_PWR_JP_DEFAULT}, | |
104 | {10, 2457, WLAN_TX_PWR_JP_DEFAULT}, | |
105 | {11, 2462, WLAN_TX_PWR_JP_DEFAULT}, | |
106 | {12, 2467, WLAN_TX_PWR_JP_DEFAULT}, | |
107 | {13, 2472, WLAN_TX_PWR_JP_DEFAULT}, | |
108 | {14, 2484, WLAN_TX_PWR_JP_DEFAULT} | |
109 | }; | |
110 | ||
111 | /** | |
112 | * the structure for channel, frequency and power | |
113 | */ | |
114 | struct region_cfp_table { | |
115 | u8 region; | |
116 | struct chan_freq_power *cfp_BG; | |
117 | int cfp_no_BG; | |
118 | }; | |
119 | ||
120 | /** | |
121 | * the structure for the mapping between region and CFP | |
122 | */ | |
123 | static struct region_cfp_table region_cfp_table[] = { | |
124 | {0x10, /*US FCC */ | |
125 | channel_freq_power_US_BG, | |
126 | sizeof(channel_freq_power_US_BG) / sizeof(struct chan_freq_power), | |
127 | } | |
128 | , | |
129 | {0x20, /*CANADA IC */ | |
130 | channel_freq_power_US_BG, | |
131 | sizeof(channel_freq_power_US_BG) / sizeof(struct chan_freq_power), | |
132 | } | |
133 | , | |
134 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
135 | sizeof(channel_freq_power_EU_BG) / sizeof(struct chan_freq_power), | |
136 | } | |
137 | , | |
138 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
139 | sizeof(channel_freq_power_SPN_BG) / sizeof(struct chan_freq_power), | |
140 | } | |
141 | , | |
142 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
143 | sizeof(channel_freq_power_FR_BG) / sizeof(struct chan_freq_power), | |
144 | } | |
145 | , | |
146 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
147 | sizeof(channel_freq_power_JPN_BG) / sizeof(struct chan_freq_power), | |
148 | } | |
149 | , | |
150 | /*Add new region here */ | |
151 | }; | |
152 | ||
876c9d3a | 153 | /** |
8c512765 | 154 | * the table to keep region code |
876c9d3a | 155 | */ |
8c512765 DW |
156 | u16 libertas_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
157 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; | |
876c9d3a MT |
158 | |
159 | /** | |
8c512765 | 160 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 161 | */ |
8c512765 DW |
162 | u8 libertas_bg_rates[MAX_RATES] = |
163 | { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, | |
164 | 0x00, 0x00 }; | |
876c9d3a MT |
165 | |
166 | /** | |
8c512765 DW |
167 | * FW rate table. FW refers to rates by their index in this table, not by the |
168 | * rate value itself. Values of 0x00 are | |
169 | * reserved positions. | |
876c9d3a | 170 | */ |
8c512765 DW |
171 | static u8 fw_data_rates[MAX_RATES] = |
172 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
173 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
174 | }; | |
876c9d3a | 175 | |
876c9d3a | 176 | /** |
8c512765 DW |
177 | * @brief use index to get the data rate |
178 | * | |
179 | * @param idx The index of data rate | |
180 | * @return data rate or 0 | |
876c9d3a | 181 | */ |
8c512765 DW |
182 | u32 libertas_fw_index_to_data_rate(u8 idx) |
183 | { | |
184 | if (idx >= sizeof(fw_data_rates)) | |
185 | idx = 0; | |
186 | return fw_data_rates[idx]; | |
187 | } | |
188 | ||
189 | /** | |
190 | * @brief use rate to get the index | |
191 | * | |
192 | * @param rate data rate | |
193 | * @return index or 0 | |
194 | */ | |
195 | u8 libertas_data_rate_to_fw_index(u32 rate) | |
196 | { | |
197 | u8 i; | |
198 | ||
199 | if (!rate) | |
200 | return 0; | |
201 | ||
202 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
203 | if (rate == fw_data_rates[i]) | |
204 | return i; | |
205 | } | |
206 | return 0; | |
207 | } | |
876c9d3a | 208 | |
876c9d3a MT |
209 | /** |
210 | * Attributes exported through sysfs | |
211 | */ | |
876c9d3a MT |
212 | |
213 | /** | |
82fde74b | 214 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 215 | */ |
82fde74b | 216 | static ssize_t libertas_anycast_get(struct device * dev, |
b59bb616 DW |
217 | struct device_attribute *attr, char * buf) |
218 | { | |
876c9d3a MT |
219 | struct cmd_ds_mesh_access mesh_access; |
220 | ||
221 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
222 | libertas_prepare_and_send_command(to_net_dev(dev)->priv, | |
0aef64d7 DW |
223 | CMD_MESH_ACCESS, |
224 | CMD_ACT_MESH_GET_ANYCAST, | |
225 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
876c9d3a | 226 | |
82fde74b | 227 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
228 | } |
229 | ||
230 | /** | |
82fde74b | 231 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 232 | */ |
82fde74b | 233 | static ssize_t libertas_anycast_set(struct device * dev, |
b59bb616 DW |
234 | struct device_attribute *attr, const char * buf, size_t count) |
235 | { | |
876c9d3a | 236 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 237 | uint32_t datum; |
876c9d3a | 238 | |
876c9d3a | 239 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 240 | sscanf(buf, "%x", &datum); |
981f187b DW |
241 | mesh_access.data[0] = cpu_to_le32(datum); |
242 | ||
876c9d3a | 243 | libertas_prepare_and_send_command((to_net_dev(dev))->priv, |
0aef64d7 DW |
244 | CMD_MESH_ACCESS, |
245 | CMD_ACT_MESH_SET_ANYCAST, | |
246 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
876c9d3a MT |
247 | return strlen(buf); |
248 | } | |
249 | ||
965f8bbc LCC |
250 | int libertas_add_rtap(wlan_private *priv); |
251 | void libertas_remove_rtap(wlan_private *priv); | |
252 | ||
253 | /** | |
254 | * Get function for sysfs attribute rtap | |
255 | */ | |
256 | static ssize_t libertas_rtap_get(struct device * dev, | |
257 | struct device_attribute *attr, char * buf) | |
258 | { | |
259 | wlan_private *priv = (wlan_private *) dev->driver_data; | |
260 | wlan_adapter *adapter = priv->adapter; | |
261 | return snprintf(buf, 5, "0x%X\n", adapter->monitormode); | |
262 | } | |
263 | ||
264 | /** | |
265 | * Set function for sysfs attribute rtap | |
266 | */ | |
267 | static ssize_t libertas_rtap_set(struct device * dev, | |
268 | struct device_attribute *attr, const char * buf, size_t count) | |
269 | { | |
270 | int monitor_mode; | |
271 | wlan_private *priv = (wlan_private *) dev->driver_data; | |
272 | wlan_adapter *adapter = priv->adapter; | |
273 | ||
274 | sscanf(buf, "%x", &monitor_mode); | |
275 | if (monitor_mode != WLAN_MONITOR_OFF) { | |
276 | if(adapter->monitormode == monitor_mode) | |
277 | return strlen(buf); | |
278 | if (adapter->monitormode == WLAN_MONITOR_OFF) { | |
279 | if (adapter->mode == IW_MODE_INFRA) | |
280 | libertas_send_deauthentication(priv); | |
281 | else if (adapter->mode == IW_MODE_ADHOC) | |
282 | libertas_stop_adhoc_network(priv); | |
283 | libertas_add_rtap(priv); | |
284 | } | |
285 | adapter->monitormode = monitor_mode; | |
286 | } | |
287 | ||
288 | else { | |
289 | if(adapter->monitormode == WLAN_MONITOR_OFF) | |
290 | return strlen(buf); | |
291 | adapter->monitormode = WLAN_MONITOR_OFF; | |
292 | libertas_remove_rtap(priv); | |
293 | netif_wake_queue(priv->dev); | |
294 | netif_wake_queue(priv->mesh_dev); | |
295 | } | |
296 | ||
297 | libertas_prepare_and_send_command(priv, | |
298 | CMD_802_11_MONITOR_MODE, CMD_ACT_SET, | |
299 | CMD_OPTION_WAITFORRSP, 0, &adapter->monitormode); | |
300 | return strlen(buf); | |
301 | } | |
302 | ||
303 | /** | |
304 | * libertas_rtap attribute to be exported per mshX interface | |
305 | * through sysfs (/sys/class/net/mshX/libertas-rtap) | |
306 | */ | |
307 | static DEVICE_ATTR(libertas_rtap, 0644, libertas_rtap_get, | |
308 | libertas_rtap_set ); | |
309 | ||
876c9d3a | 310 | /** |
82fde74b LC |
311 | * anycast_mask attribute to be exported per mshX interface |
312 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 313 | */ |
82fde74b | 314 | static DEVICE_ATTR(anycast_mask, 0644, libertas_anycast_get, libertas_anycast_set); |
876c9d3a | 315 | |
a9f38d02 LCC |
316 | static ssize_t libertas_autostart_enabled_get(struct device * dev, |
317 | struct device_attribute *attr, char * buf) | |
318 | { | |
319 | struct cmd_ds_mesh_access mesh_access; | |
320 | ||
321 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
322 | libertas_prepare_and_send_command(to_net_dev(dev)->priv, | |
323 | CMD_MESH_ACCESS, | |
324 | CMD_ACT_MESH_GET_AUTOSTART_ENABLED, | |
325 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
326 | ||
327 | return sprintf(buf, "%d\n", le32_to_cpu(mesh_access.data[0])); | |
328 | } | |
329 | ||
330 | static ssize_t libertas_autostart_enabled_set(struct device * dev, | |
331 | struct device_attribute *attr, const char * buf, size_t count) | |
332 | { | |
333 | struct cmd_ds_mesh_access mesh_access; | |
334 | uint32_t datum; | |
d21b31fd LCC |
335 | wlan_private * priv = (to_net_dev(dev))->priv; |
336 | int ret; | |
a9f38d02 LCC |
337 | |
338 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
339 | sscanf(buf, "%d", &datum); | |
340 | mesh_access.data[0] = cpu_to_le32(datum); | |
341 | ||
d21b31fd | 342 | ret = libertas_prepare_and_send_command(priv, |
a9f38d02 LCC |
343 | CMD_MESH_ACCESS, |
344 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
345 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
d21b31fd LCC |
346 | if (ret == 0) |
347 | priv->mesh_autostart_enabled = datum ? 1 : 0; | |
348 | ||
a9f38d02 LCC |
349 | return strlen(buf); |
350 | } | |
351 | ||
352 | static DEVICE_ATTR(autostart_enabled, 0644, | |
353 | libertas_autostart_enabled_get, libertas_autostart_enabled_set); | |
354 | ||
355 | static struct attribute *libertas_mesh_sysfs_entries[] = { | |
356 | &dev_attr_anycast_mask.attr, | |
357 | &dev_attr_autostart_enabled.attr, | |
358 | NULL, | |
359 | }; | |
360 | ||
361 | static struct attribute_group libertas_mesh_attr_group = { | |
362 | .attrs = libertas_mesh_sysfs_entries, | |
363 | }; | |
364 | ||
876c9d3a MT |
365 | /** |
366 | * @brief Check if the device can be open and wait if necessary. | |
367 | * | |
368 | * @param dev A pointer to net_device structure | |
369 | * @return 0 | |
370 | * | |
371 | * For USB adapter, on some systems the device open handler will be | |
372 | * called before FW ready. Use the following flag check and wait | |
373 | * function to work around the issue. | |
374 | * | |
375 | */ | |
9012b28a HS |
376 | static int pre_open_check(struct net_device *dev) |
377 | { | |
876c9d3a MT |
378 | wlan_private *priv = (wlan_private *) dev->priv; |
379 | wlan_adapter *adapter = priv->adapter; | |
380 | int i = 0; | |
381 | ||
382 | while (!adapter->fw_ready && i < 20) { | |
383 | i++; | |
384 | msleep_interruptible(100); | |
385 | } | |
386 | if (!adapter->fw_ready) { | |
9012b28a | 387 | lbs_pr_err("firmware not ready\n"); |
876c9d3a MT |
388 | return -1; |
389 | } | |
390 | ||
391 | return 0; | |
392 | } | |
393 | ||
394 | /** | |
395 | * @brief This function opens the device | |
396 | * | |
397 | * @param dev A pointer to net_device structure | |
398 | * @return 0 | |
399 | */ | |
e5241472 | 400 | static int libertas_dev_open(struct net_device *dev) |
876c9d3a MT |
401 | { |
402 | wlan_private *priv = (wlan_private *) dev->priv; | |
403 | wlan_adapter *adapter = priv->adapter; | |
404 | ||
9012b28a | 405 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
406 | |
407 | priv->open = 1; | |
408 | ||
0aef64d7 | 409 | if (adapter->connect_status == LIBERTAS_CONNECTED) { |
634b8f49 | 410 | netif_carrier_on(priv->dev); |
3cf84091 HS |
411 | if (priv->mesh_dev) |
412 | netif_carrier_on(priv->mesh_dev); | |
51d84f50 | 413 | } else { |
634b8f49 | 414 | netif_carrier_off(priv->dev); |
3cf84091 HS |
415 | if (priv->mesh_dev) |
416 | netif_carrier_off(priv->mesh_dev); | |
51d84f50 | 417 | } |
876c9d3a | 418 | |
9012b28a | 419 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
420 | return 0; |
421 | } | |
422 | /** | |
423 | * @brief This function opens the mshX interface | |
424 | * | |
425 | * @param dev A pointer to net_device structure | |
426 | * @return 0 | |
427 | */ | |
e5241472 | 428 | static int libertas_mesh_open(struct net_device *dev) |
876c9d3a MT |
429 | { |
430 | wlan_private *priv = (wlan_private *) dev->priv ; | |
431 | ||
78523daa | 432 | if (pre_open_check(dev) == -1) |
876c9d3a MT |
433 | return -1; |
434 | priv->mesh_open = 1 ; | |
51d84f50 | 435 | netif_wake_queue(priv->mesh_dev); |
876c9d3a | 436 | if (priv->infra_open == 0) |
e5241472 | 437 | return libertas_dev_open(priv->dev) ; |
876c9d3a MT |
438 | return 0; |
439 | } | |
440 | ||
441 | /** | |
442 | * @brief This function opens the ethX interface | |
443 | * | |
444 | * @param dev A pointer to net_device structure | |
445 | * @return 0 | |
446 | */ | |
e5241472 | 447 | static int libertas_open(struct net_device *dev) |
876c9d3a MT |
448 | { |
449 | wlan_private *priv = (wlan_private *) dev->priv ; | |
450 | ||
451 | if(pre_open_check(dev) == -1) | |
452 | return -1; | |
453 | priv->infra_open = 1 ; | |
634b8f49 | 454 | netif_wake_queue(priv->dev); |
876c9d3a | 455 | if (priv->open == 0) |
e5241472 | 456 | return libertas_dev_open(priv->dev) ; |
876c9d3a MT |
457 | return 0; |
458 | } | |
459 | ||
e5241472 | 460 | static int libertas_dev_close(struct net_device *dev) |
876c9d3a MT |
461 | { |
462 | wlan_private *priv = dev->priv; | |
463 | ||
9012b28a | 464 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 465 | |
634b8f49 | 466 | netif_carrier_off(priv->dev); |
876c9d3a MT |
467 | priv->open = 0; |
468 | ||
9012b28a | 469 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
470 | return 0; |
471 | } | |
472 | ||
473 | /** | |
474 | * @brief This function closes the mshX interface | |
475 | * | |
476 | * @param dev A pointer to net_device structure | |
477 | * @return 0 | |
478 | */ | |
e5241472 | 479 | static int libertas_mesh_close(struct net_device *dev) |
876c9d3a MT |
480 | { |
481 | wlan_private *priv = (wlan_private *) (dev->priv); | |
482 | ||
483 | priv->mesh_open = 0; | |
484 | netif_stop_queue(priv->mesh_dev); | |
485 | if (priv->infra_open == 0) | |
e5241472 | 486 | return libertas_dev_close(dev); |
876c9d3a MT |
487 | else |
488 | return 0; | |
489 | } | |
490 | ||
491 | /** | |
492 | * @brief This function closes the ethX interface | |
493 | * | |
494 | * @param dev A pointer to net_device structure | |
495 | * @return 0 | |
496 | */ | |
e5241472 | 497 | static int libertas_close(struct net_device *dev) |
78523daa | 498 | { |
876c9d3a MT |
499 | wlan_private *priv = (wlan_private *) dev->priv; |
500 | ||
634b8f49 | 501 | netif_stop_queue(dev); |
876c9d3a MT |
502 | priv->infra_open = 0; |
503 | if (priv->mesh_open == 0) | |
e5241472 | 504 | return libertas_dev_close(dev); |
876c9d3a MT |
505 | else |
506 | return 0; | |
507 | } | |
508 | ||
509 | ||
e5241472 | 510 | static int libertas_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
876c9d3a MT |
511 | { |
512 | int ret = 0; | |
513 | wlan_private *priv = dev->priv; | |
514 | ||
9012b28a | 515 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 516 | |
634b8f49 | 517 | if (priv->dnld_sent || priv->adapter->TxLockFlag) { |
876c9d3a MT |
518 | priv->stats.tx_dropped++; |
519 | goto done; | |
520 | } | |
521 | ||
634b8f49 | 522 | netif_stop_queue(priv->dev); |
3cf84091 HS |
523 | if (priv->mesh_dev) |
524 | netif_stop_queue(priv->mesh_dev); | |
876c9d3a MT |
525 | |
526 | if (libertas_process_tx(priv, skb) == 0) | |
527 | dev->trans_start = jiffies; | |
528 | done: | |
9012b28a | 529 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
530 | return ret; |
531 | } | |
532 | ||
533 | /** | |
e5241472 | 534 | * @brief Mark mesh packets and handover them to libertas_hard_start_xmit |
876c9d3a MT |
535 | * |
536 | */ | |
e5241472 DW |
537 | static int libertas_mesh_pre_start_xmit(struct sk_buff *skb, |
538 | struct net_device *dev) | |
876c9d3a MT |
539 | { |
540 | wlan_private *priv = dev->priv; | |
9012b28a HS |
541 | int ret; |
542 | ||
543 | lbs_deb_enter(LBS_DEB_MESH); | |
965f8bbc LCC |
544 | if(priv->adapter->monitormode != WLAN_MONITOR_OFF) { |
545 | netif_stop_queue(dev); | |
546 | return -EOPNOTSUPP; | |
547 | } | |
9012b28a | 548 | |
876c9d3a | 549 | SET_MESH_FRAME(skb); |
876c9d3a | 550 | |
e5241472 | 551 | ret = libertas_hard_start_xmit(skb, priv->dev); |
9012b28a HS |
552 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); |
553 | return ret; | |
876c9d3a MT |
554 | } |
555 | ||
556 | /** | |
e5241472 | 557 | * @brief Mark non-mesh packets and handover them to libertas_hard_start_xmit |
876c9d3a MT |
558 | * |
559 | */ | |
e5241472 | 560 | static int libertas_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) |
9012b28a | 561 | { |
965f8bbc | 562 | wlan_private *priv = dev->priv; |
9012b28a HS |
563 | int ret; |
564 | ||
565 | lbs_deb_enter(LBS_DEB_NET); | |
566 | ||
965f8bbc LCC |
567 | if(priv->adapter->monitormode != WLAN_MONITOR_OFF) { |
568 | netif_stop_queue(dev); | |
569 | return -EOPNOTSUPP; | |
570 | } | |
571 | ||
876c9d3a | 572 | UNSET_MESH_FRAME(skb); |
9012b28a | 573 | |
e5241472 | 574 | ret = libertas_hard_start_xmit(skb, dev); |
9012b28a HS |
575 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
576 | return ret; | |
876c9d3a MT |
577 | } |
578 | ||
e5241472 | 579 | static void libertas_tx_timeout(struct net_device *dev) |
876c9d3a MT |
580 | { |
581 | wlan_private *priv = (wlan_private *) dev->priv; | |
582 | ||
9012b28a | 583 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 584 | |
9012b28a | 585 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 586 | |
634b8f49 | 587 | priv->dnld_sent = DNLD_RES_RECEIVED; |
876c9d3a MT |
588 | dev->trans_start = jiffies; |
589 | ||
590 | if (priv->adapter->currenttxskb) { | |
965f8bbc | 591 | if (priv->adapter->monitormode != WLAN_MONITOR_OFF) { |
876c9d3a MT |
592 | /* If we are here, we have not received feedback from |
593 | the previous packet. Assume TX_FAIL and move on. */ | |
594 | priv->adapter->eventcause = 0x01000000; | |
595 | libertas_send_tx_feedback(priv); | |
596 | } else | |
fe336150 | 597 | wake_up_interruptible(&priv->waitq); |
0aef64d7 | 598 | } else if (priv->adapter->connect_status == LIBERTAS_CONNECTED) { |
634b8f49 | 599 | netif_wake_queue(priv->dev); |
3cf84091 HS |
600 | if (priv->mesh_dev) |
601 | netif_wake_queue(priv->mesh_dev); | |
51d84f50 | 602 | } |
876c9d3a | 603 | |
9012b28a | 604 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
605 | } |
606 | ||
607 | /** | |
608 | * @brief This function returns the network statistics | |
609 | * | |
610 | * @param dev A pointer to wlan_private structure | |
611 | * @return A pointer to net_device_stats structure | |
612 | */ | |
e5241472 | 613 | static struct net_device_stats *libertas_get_stats(struct net_device *dev) |
876c9d3a MT |
614 | { |
615 | wlan_private *priv = (wlan_private *) dev->priv; | |
616 | ||
617 | return &priv->stats; | |
618 | } | |
619 | ||
e5241472 | 620 | static int libertas_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
621 | { |
622 | int ret = 0; | |
623 | wlan_private *priv = (wlan_private *) dev->priv; | |
624 | wlan_adapter *adapter = priv->adapter; | |
625 | struct sockaddr *phwaddr = addr; | |
626 | ||
9012b28a | 627 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 628 | |
0a0d08ac LCCR |
629 | /* In case it was called from the mesh device */ |
630 | dev = priv->dev ; | |
631 | ||
876c9d3a MT |
632 | memset(adapter->current_addr, 0, ETH_ALEN); |
633 | ||
634 | /* dev->dev_addr is 8 bytes */ | |
ece56191 | 635 | lbs_deb_hex(LBS_DEB_NET, "dev->dev_addr", dev->dev_addr, ETH_ALEN); |
876c9d3a | 636 | |
ece56191 | 637 | lbs_deb_hex(LBS_DEB_NET, "addr", phwaddr->sa_data, ETH_ALEN); |
876c9d3a MT |
638 | memcpy(adapter->current_addr, phwaddr->sa_data, ETH_ALEN); |
639 | ||
0aef64d7 DW |
640 | ret = libertas_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS, |
641 | CMD_ACT_SET, | |
642 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
876c9d3a MT |
643 | |
644 | if (ret) { | |
9012b28a | 645 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
646 | ret = -1; |
647 | goto done; | |
648 | } | |
649 | ||
ece56191 | 650 | lbs_deb_hex(LBS_DEB_NET, "adapter->macaddr", adapter->current_addr, ETH_ALEN); |
876c9d3a | 651 | memcpy(dev->dev_addr, adapter->current_addr, ETH_ALEN); |
78523daa HS |
652 | if (priv->mesh_dev) |
653 | memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
876c9d3a MT |
654 | |
655 | done: | |
9012b28a | 656 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
657 | return ret; |
658 | } | |
659 | ||
e5241472 | 660 | static int libertas_copy_multicast_address(wlan_adapter * adapter, |
876c9d3a MT |
661 | struct net_device *dev) |
662 | { | |
663 | int i = 0; | |
664 | struct dev_mc_list *mcptr = dev->mc_list; | |
665 | ||
666 | for (i = 0; i < dev->mc_count; i++) { | |
667 | memcpy(&adapter->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); | |
668 | mcptr = mcptr->next; | |
669 | } | |
670 | ||
671 | return i; | |
672 | ||
673 | } | |
674 | ||
e5241472 | 675 | static void libertas_set_multicast_list(struct net_device *dev) |
876c9d3a MT |
676 | { |
677 | wlan_private *priv = dev->priv; | |
678 | wlan_adapter *adapter = priv->adapter; | |
679 | int oldpacketfilter; | |
680 | ||
9012b28a | 681 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
682 | |
683 | oldpacketfilter = adapter->currentpacketfilter; | |
684 | ||
685 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 686 | lbs_deb_net("enable promiscuous mode\n"); |
876c9d3a | 687 | adapter->currentpacketfilter |= |
0aef64d7 | 688 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a | 689 | adapter->currentpacketfilter &= |
0aef64d7 DW |
690 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
691 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
692 | } else { |
693 | /* Multicast */ | |
694 | adapter->currentpacketfilter &= | |
0aef64d7 | 695 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
696 | |
697 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
698 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 699 | lbs_deb_net( "enabling all multicast\n"); |
876c9d3a | 700 | adapter->currentpacketfilter |= |
0aef64d7 | 701 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a | 702 | adapter->currentpacketfilter &= |
0aef64d7 | 703 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
704 | } else { |
705 | adapter->currentpacketfilter &= | |
0aef64d7 | 706 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
707 | |
708 | if (!dev->mc_count) { | |
9012b28a HS |
709 | lbs_deb_net("no multicast addresses, " |
710 | "disabling multicast\n"); | |
876c9d3a | 711 | adapter->currentpacketfilter &= |
0aef64d7 | 712 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
713 | } else { |
714 | int i; | |
715 | ||
716 | adapter->currentpacketfilter |= | |
0aef64d7 | 717 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
718 | |
719 | adapter->nr_of_multicastmacaddr = | |
e5241472 | 720 | libertas_copy_multicast_address(adapter, dev); |
876c9d3a | 721 | |
9012b28a | 722 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
723 | dev->mc_count); |
724 | ||
725 | for (i = 0; i < dev->mc_count; i++) { | |
9012b28a HS |
726 | lbs_deb_net("Multicast address %d:" |
727 | MAC_FMT "\n", i, | |
876c9d3a MT |
728 | adapter->multicastlist[i][0], |
729 | adapter->multicastlist[i][1], | |
730 | adapter->multicastlist[i][2], | |
731 | adapter->multicastlist[i][3], | |
732 | adapter->multicastlist[i][4], | |
733 | adapter->multicastlist[i][5]); | |
734 | } | |
9012b28a | 735 | /* send multicast addresses to firmware */ |
876c9d3a | 736 | libertas_prepare_and_send_command(priv, |
0aef64d7 DW |
737 | CMD_MAC_MULTICAST_ADR, |
738 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
739 | NULL); |
740 | } | |
741 | } | |
742 | } | |
743 | ||
744 | if (adapter->currentpacketfilter != oldpacketfilter) { | |
745 | libertas_set_mac_packet_filter(priv); | |
746 | } | |
747 | ||
9012b28a | 748 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
749 | } |
750 | ||
751 | /** | |
9012b28a HS |
752 | * @brief This function handles the major jobs in the WLAN driver. |
753 | * It handles all events generated by firmware, RX data received | |
754 | * from firmware and TX data sent from kernel. | |
876c9d3a MT |
755 | * |
756 | * @param data A pointer to wlan_thread structure | |
757 | * @return 0 | |
758 | */ | |
fe336150 | 759 | static int libertas_thread(void *data) |
876c9d3a | 760 | { |
fe336150 DW |
761 | struct net_device *dev = data; |
762 | wlan_private *priv = dev->priv; | |
876c9d3a MT |
763 | wlan_adapter *adapter = priv->adapter; |
764 | wait_queue_t wait; | |
765 | u8 ireg = 0; | |
766 | ||
9012b28a | 767 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 768 | |
876c9d3a MT |
769 | init_waitqueue_entry(&wait, current); |
770 | ||
b1b1907d | 771 | set_freezable(); |
876c9d3a | 772 | for (;;) { |
9012b28a | 773 | lbs_deb_thread( "main-thread 111: intcounter=%d " |
876c9d3a MT |
774 | "currenttxskb=%p dnld_sent=%d\n", |
775 | adapter->intcounter, | |
634b8f49 | 776 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a | 777 | |
fe336150 | 778 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
779 | set_current_state(TASK_INTERRUPTIBLE); |
780 | spin_lock_irq(&adapter->driver_lock); | |
781 | if ((adapter->psstate == PS_STATE_SLEEP) || | |
782 | (!adapter->intcounter | |
634b8f49 | 783 | && (priv->dnld_sent || adapter->cur_cmd || |
876c9d3a | 784 | list_empty(&adapter->cmdpendingq)))) { |
9012b28a | 785 | lbs_deb_thread( |
876c9d3a MT |
786 | "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
787 | adapter->connect_status, adapter->intcounter, | |
788 | adapter->psmode, adapter->psstate); | |
789 | spin_unlock_irq(&adapter->driver_lock); | |
790 | schedule(); | |
791 | } else | |
792 | spin_unlock_irq(&adapter->driver_lock); | |
793 | ||
794 | ||
9012b28a | 795 | lbs_deb_thread( |
876c9d3a MT |
796 | "main-thread 222 (waking up): intcounter=%d currenttxskb=%p " |
797 | "dnld_sent=%d\n", adapter->intcounter, | |
634b8f49 | 798 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
799 | |
800 | set_current_state(TASK_RUNNING); | |
fe336150 | 801 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
802 | try_to_freeze(); |
803 | ||
9012b28a | 804 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
805 | "dnld_sent=%d\n", |
806 | adapter->intcounter, | |
634b8f49 | 807 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
808 | |
809 | if (kthread_should_stop() | |
810 | || adapter->surpriseremoved) { | |
9012b28a | 811 | lbs_deb_thread( |
876c9d3a MT |
812 | "main-thread: break from main thread: surpriseremoved=0x%x\n", |
813 | adapter->surpriseremoved); | |
814 | break; | |
815 | } | |
816 | ||
817 | ||
818 | spin_lock_irq(&adapter->driver_lock); | |
819 | if (adapter->intcounter) { | |
820 | u8 int_status; | |
821 | adapter->intcounter = 0; | |
208fdd2f | 822 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
823 | |
824 | if (int_status) { | |
9012b28a | 825 | lbs_deb_thread( |
876c9d3a MT |
826 | "main-thread: reading HOST_INT_STATUS_REG failed\n"); |
827 | spin_unlock_irq(&adapter->driver_lock); | |
828 | continue; | |
829 | } | |
830 | adapter->hisregcpy |= ireg; | |
831 | } | |
832 | ||
9012b28a | 833 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
834 | "dnld_sent=%d\n", |
835 | adapter->intcounter, | |
634b8f49 | 836 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
837 | |
838 | /* command response? */ | |
c95c7f93 | 839 | if (adapter->hisregcpy & MRVDRV_CMD_UPLD_RDY) { |
9012b28a | 840 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a | 841 | |
c95c7f93 | 842 | adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a MT |
843 | spin_unlock_irq(&adapter->driver_lock); |
844 | libertas_process_rx_command(priv); | |
845 | spin_lock_irq(&adapter->driver_lock); | |
846 | } | |
847 | ||
848 | /* Any Card Event */ | |
c95c7f93 | 849 | if (adapter->hisregcpy & MRVDRV_CARDEVENT) { |
9012b28a | 850 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a | 851 | |
c95c7f93 | 852 | adapter->hisregcpy &= ~MRVDRV_CARDEVENT; |
876c9d3a | 853 | |
208fdd2f | 854 | if (priv->hw_read_event_cause(priv)) { |
876c9d3a | 855 | lbs_pr_alert( |
208fdd2f | 856 | "main-thread: hw_read_event_cause failed\n"); |
876c9d3a MT |
857 | spin_unlock_irq(&adapter->driver_lock); |
858 | continue; | |
859 | } | |
860 | spin_unlock_irq(&adapter->driver_lock); | |
861 | libertas_process_event(priv); | |
862 | } else | |
863 | spin_unlock_irq(&adapter->driver_lock); | |
864 | ||
865 | /* Check if we need to confirm Sleep Request received previously */ | |
866 | if (adapter->psstate == PS_STATE_PRE_SLEEP) { | |
634b8f49 | 867 | if (!priv->dnld_sent && !adapter->cur_cmd) { |
876c9d3a | 868 | if (adapter->connect_status == |
0aef64d7 | 869 | LIBERTAS_CONNECTED) { |
9012b28a | 870 | lbs_deb_thread( |
876c9d3a MT |
871 | "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p " |
872 | "dnld_sent=%d cur_cmd=%p, confirm now\n", | |
873 | adapter->intcounter, | |
874 | adapter->currenttxskb, | |
634b8f49 | 875 | priv->dnld_sent, |
876c9d3a MT |
876 | adapter->cur_cmd); |
877 | ||
878 | libertas_ps_confirm_sleep(priv, | |
879 | (u16) adapter->psmode); | |
880 | } else { | |
881 | /* workaround for firmware sending | |
882 | * deauth/linkloss event immediately | |
883 | * after sleep request, remove this | |
884 | * after firmware fixes it | |
885 | */ | |
886 | adapter->psstate = PS_STATE_AWAKE; | |
887 | lbs_pr_alert( | |
888 | "main-thread: ignore PS_SleepConfirm in non-connected state\n"); | |
889 | } | |
890 | } | |
891 | } | |
892 | ||
893 | /* The PS state is changed during processing of Sleep Request | |
894 | * event above | |
895 | */ | |
896 | if ((priv->adapter->psstate == PS_STATE_SLEEP) || | |
897 | (priv->adapter->psstate == PS_STATE_PRE_SLEEP)) | |
898 | continue; | |
899 | ||
900 | /* Execute the next command */ | |
634b8f49 | 901 | if (!priv->dnld_sent && !priv->adapter->cur_cmd) |
876c9d3a MT |
902 | libertas_execute_next_command(priv); |
903 | ||
904 | /* Wake-up command waiters which can't sleep in | |
905 | * libertas_prepare_and_send_command | |
906 | */ | |
907 | if (!adapter->nr_cmd_pending) | |
908 | wake_up_all(&adapter->cmd_pending); | |
909 | ||
910 | libertas_tx_runqueue(priv); | |
911 | } | |
912 | ||
913 | del_timer(&adapter->command_timer); | |
914 | adapter->nr_cmd_pending = 0; | |
915 | wake_up_all(&adapter->cmd_pending); | |
876c9d3a | 916 | |
9012b28a | 917 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
918 | return 0; |
919 | } | |
920 | ||
1df4e8fe HS |
921 | /** |
922 | * @brief This function downloads firmware image, gets | |
923 | * HW spec from firmware and set basic parameters to | |
924 | * firmware. | |
925 | * | |
926 | * @param priv A pointer to wlan_private structure | |
927 | * @return 0 or -1 | |
928 | */ | |
929 | static int wlan_setup_station_hw(wlan_private * priv) | |
930 | { | |
931 | int ret = -1; | |
932 | wlan_adapter *adapter = priv->adapter; | |
d21b31fd | 933 | struct cmd_ds_mesh_access mesh_access; |
1df4e8fe HS |
934 | |
935 | lbs_deb_enter(LBS_DEB_FW); | |
936 | ||
937 | ret = priv->hw_prog_firmware(priv); | |
938 | ||
939 | if (ret) { | |
940 | lbs_deb_fw("bootloader in invalid state\n"); | |
941 | ret = -1; | |
942 | goto done; | |
943 | } | |
944 | ||
945 | /* | |
946 | * Read MAC address from HW | |
947 | */ | |
948 | memset(adapter->current_addr, 0xff, ETH_ALEN); | |
949 | ||
950 | ret = libertas_prepare_and_send_command(priv, CMD_GET_HW_SPEC, | |
951 | 0, CMD_OPTION_WAITFORRSP, 0, NULL); | |
952 | ||
953 | if (ret) { | |
954 | ret = -1; | |
955 | goto done; | |
956 | } | |
957 | ||
958 | libertas_set_mac_packet_filter(priv); | |
959 | ||
960 | /* Get the supported Data rates */ | |
961 | ret = libertas_prepare_and_send_command(priv, CMD_802_11_DATA_RATE, | |
962 | CMD_ACT_GET_TX_RATE, | |
963 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
964 | ||
965 | if (ret) { | |
966 | ret = -1; | |
967 | goto done; | |
968 | } | |
969 | ||
d21b31fd LCC |
970 | /* Disable mesh autostart */ |
971 | if (priv->mesh_dev) { | |
972 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
973 | mesh_access.data[0] = cpu_to_le32(0); | |
974 | ret = libertas_prepare_and_send_command(priv, | |
975 | CMD_MESH_ACCESS, | |
976 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
977 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
978 | if (ret) { | |
979 | ret = -1; | |
980 | goto done; | |
981 | } | |
982 | priv->mesh_autostart_enabled = 0; | |
983 | } | |
984 | ||
63f0023b LCC |
985 | /* Set the boot2 version in firmware */ |
986 | ret = libertas_prepare_and_send_command(priv, CMD_SET_BOOT2_VER, | |
987 | 0, CMD_OPTION_WAITFORRSP, 0, NULL); | |
988 | ||
1df4e8fe HS |
989 | ret = 0; |
990 | done: | |
991 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
992 | return ret; | |
993 | } | |
994 | ||
995 | static void command_timer_fn(unsigned long data); | |
996 | ||
997 | /** | |
998 | * This function handles the timeout of command sending. | |
999 | * It will re-send the same command again. | |
1000 | */ | |
1001 | static void command_timer_fn(unsigned long data) | |
1002 | { | |
1003 | wlan_private *priv = (wlan_private *)data; | |
1004 | wlan_adapter *adapter = priv->adapter; | |
1005 | struct cmd_ctrl_node *ptempnode; | |
1006 | struct cmd_ds_command *cmd; | |
1007 | unsigned long flags; | |
1008 | ||
1009 | ptempnode = adapter->cur_cmd; | |
1010 | if (ptempnode == NULL) { | |
1011 | lbs_deb_fw("ptempnode empty\n"); | |
1012 | return; | |
1013 | } | |
1014 | ||
1015 | cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr; | |
1016 | if (!cmd) { | |
1017 | lbs_deb_fw("cmd is NULL\n"); | |
1018 | return; | |
1019 | } | |
1020 | ||
1021 | lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command); | |
1022 | ||
1023 | if (!adapter->fw_ready) | |
1024 | return; | |
1025 | ||
1026 | spin_lock_irqsave(&adapter->driver_lock, flags); | |
1027 | adapter->cur_cmd = NULL; | |
1028 | spin_unlock_irqrestore(&adapter->driver_lock, flags); | |
1029 | ||
1030 | lbs_deb_fw("re-sending same command because of timeout\n"); | |
1031 | libertas_queue_cmd(adapter, ptempnode, 0); | |
1032 | ||
1033 | wake_up_interruptible(&priv->waitq); | |
1034 | ||
1035 | return; | |
1036 | } | |
1037 | ||
ac558ca2 HS |
1038 | static void libertas_free_adapter(wlan_private * priv) |
1039 | { | |
1040 | wlan_adapter *adapter = priv->adapter; | |
1041 | ||
1042 | if (!adapter) { | |
1043 | lbs_deb_fw("why double free adapter?\n"); | |
1044 | return; | |
1045 | } | |
1046 | ||
1047 | lbs_deb_fw("free command buffer\n"); | |
1048 | libertas_free_cmd_buffer(priv); | |
1049 | ||
1050 | lbs_deb_fw("free command_timer\n"); | |
1051 | del_timer(&adapter->command_timer); | |
1052 | ||
1053 | lbs_deb_fw("free scan results table\n"); | |
1054 | kfree(adapter->networks); | |
1055 | adapter->networks = NULL; | |
1056 | ||
1057 | /* Free the adapter object itself */ | |
1058 | lbs_deb_fw("free adapter\n"); | |
1059 | kfree(adapter); | |
1060 | priv->adapter = NULL; | |
1061 | } | |
1062 | ||
1df4e8fe HS |
1063 | static int wlan_allocate_adapter(wlan_private * priv) |
1064 | { | |
1065 | size_t bufsize; | |
1066 | wlan_adapter *adapter = priv->adapter; | |
1067 | ||
1068 | /* Allocate buffer to store the BSSID list */ | |
1069 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
1070 | adapter->networks = kzalloc(bufsize, GFP_KERNEL); | |
1071 | if (!adapter->networks) { | |
1072 | lbs_pr_err("Out of memory allocating beacons\n"); | |
1073 | libertas_free_adapter(priv); | |
1074 | return -ENOMEM; | |
1075 | } | |
1076 | ||
1077 | /* Allocate the command buffers */ | |
1078 | libertas_allocate_cmd_buffer(priv); | |
1079 | ||
1080 | memset(&adapter->libertas_ps_confirm_sleep, 0, sizeof(struct PS_CMD_ConfirmSleep)); | |
1081 | adapter->libertas_ps_confirm_sleep.seqnum = cpu_to_le16(++adapter->seqnum); | |
1082 | adapter->libertas_ps_confirm_sleep.command = | |
1083 | cpu_to_le16(CMD_802_11_PS_MODE); | |
1084 | adapter->libertas_ps_confirm_sleep.size = | |
1085 | cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep)); | |
1086 | adapter->libertas_ps_confirm_sleep.result = 0; | |
1087 | adapter->libertas_ps_confirm_sleep.action = | |
1088 | cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); | |
1089 | ||
1090 | return 0; | |
1091 | } | |
1092 | ||
1093 | static void wlan_init_adapter(wlan_private * priv) | |
1094 | { | |
1095 | wlan_adapter *adapter = priv->adapter; | |
1096 | int i; | |
1097 | ||
1df4e8fe HS |
1098 | adapter->connect_status = LIBERTAS_DISCONNECTED; |
1099 | memset(adapter->current_addr, 0xff, ETH_ALEN); | |
1100 | ||
1df4e8fe HS |
1101 | /* 802.11 specific */ |
1102 | adapter->secinfo.wep_enabled = 0; | |
1103 | for (i = 0; i < sizeof(adapter->wep_keys) / sizeof(adapter->wep_keys[0]); | |
1104 | i++) | |
1105 | memset(&adapter->wep_keys[i], 0, sizeof(struct enc_key)); | |
1106 | adapter->wep_tx_keyidx = 0; | |
1107 | adapter->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; | |
1108 | adapter->mode = IW_MODE_INFRA; | |
1109 | ||
1110 | adapter->pending_assoc_req = NULL; | |
1111 | adapter->in_progress_assoc_req = NULL; | |
1112 | ||
1113 | /* Initialize scan result lists */ | |
1114 | INIT_LIST_HEAD(&adapter->network_free_list); | |
1115 | INIT_LIST_HEAD(&adapter->network_list); | |
1116 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { | |
1117 | list_add_tail(&adapter->networks[i].list, | |
1118 | &adapter->network_free_list); | |
1119 | } | |
1120 | ||
1121 | mutex_init(&adapter->lock); | |
1122 | ||
1df4e8fe HS |
1123 | memset(&adapter->curbssparams, 0, sizeof(adapter->curbssparams)); |
1124 | adapter->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; | |
1125 | ||
1126 | /* PnP and power profile */ | |
1127 | adapter->surpriseremoved = 0; | |
1128 | ||
1129 | adapter->currentpacketfilter = | |
1130 | CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; | |
1131 | ||
1132 | adapter->radioon = RADIO_ON; | |
1df4e8fe HS |
1133 | |
1134 | adapter->auto_rate = 1; | |
1135 | adapter->cur_rate = 0; | |
1df4e8fe | 1136 | |
1df4e8fe HS |
1137 | // set default capabilities |
1138 | adapter->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; | |
1139 | ||
1140 | adapter->psmode = WLAN802_11POWERMODECAM; | |
1df4e8fe | 1141 | |
1df4e8fe HS |
1142 | adapter->psstate = PS_STATE_FULL_POWER; |
1143 | adapter->needtowakeup = 0; | |
1df4e8fe HS |
1144 | |
1145 | adapter->intcounter = 0; | |
1146 | ||
1147 | adapter->currenttxskb = NULL; | |
1df4e8fe HS |
1148 | |
1149 | memset(&adapter->tx_queue_ps, 0, NR_TX_QUEUE*sizeof(struct sk_buff*)); | |
1150 | adapter->tx_queue_idx = 0; | |
1151 | spin_lock_init(&adapter->txqueue_lock); | |
1152 | ||
1153 | return; | |
1154 | } | |
1155 | ||
1df4e8fe HS |
1156 | static int libertas_init_fw(wlan_private * priv) |
1157 | { | |
1158 | int ret = -1; | |
1159 | wlan_adapter *adapter = priv->adapter; | |
1160 | ||
1161 | lbs_deb_enter(LBS_DEB_FW); | |
1162 | ||
1163 | /* Allocate adapter structure */ | |
1164 | if ((ret = wlan_allocate_adapter(priv)) != 0) | |
1165 | goto done; | |
1166 | ||
1167 | /* init adapter structure */ | |
1168 | wlan_init_adapter(priv); | |
1169 | ||
1170 | /* init timer etc. */ | |
1171 | setup_timer(&adapter->command_timer, command_timer_fn, | |
1172 | (unsigned long)priv); | |
1173 | ||
1174 | /* download fimrware etc. */ | |
1175 | if ((ret = wlan_setup_station_hw(priv)) != 0) { | |
1176 | del_timer_sync(&adapter->command_timer); | |
1177 | goto done; | |
1178 | } | |
1179 | ||
1180 | /* init 802.11d */ | |
1181 | libertas_init_11d(priv); | |
1182 | ||
1183 | ret = 0; | |
1184 | done: | |
1185 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
1186 | return ret; | |
1187 | } | |
1188 | ||
876c9d3a MT |
1189 | /** |
1190 | * @brief This function adds the card. it will probe the | |
1191 | * card, allocate the wlan_priv and initialize the device. | |
1192 | * | |
1193 | * @param card A pointer to card | |
1194 | * @return A pointer to wlan_private structure | |
1195 | */ | |
7732ca45 | 1196 | wlan_private *libertas_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1197 | { |
1198 | struct net_device *dev = NULL; | |
876c9d3a MT |
1199 | wlan_private *priv = NULL; |
1200 | ||
9012b28a | 1201 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
1202 | |
1203 | /* Allocate an Ethernet device and register it */ | |
1204 | if (!(dev = alloc_etherdev(sizeof(wlan_private)))) { | |
9012b28a | 1205 | lbs_pr_err("init ethX device failed\n"); |
876c9d3a MT |
1206 | return NULL; |
1207 | } | |
876c9d3a MT |
1208 | priv = dev->priv; |
1209 | ||
1210 | /* allocate buffer for wlan_adapter */ | |
fb3dddf2 | 1211 | if (!(priv->adapter = kzalloc(sizeof(wlan_adapter), GFP_KERNEL))) { |
9012b28a | 1212 | lbs_pr_err("allocate buffer for wlan_adapter failed\n"); |
fb3dddf2 | 1213 | goto err_kzalloc; |
876c9d3a MT |
1214 | } |
1215 | ||
634b8f49 HS |
1216 | priv->dev = dev; |
1217 | priv->card = card; | |
876c9d3a MT |
1218 | priv->mesh_open = 0; |
1219 | priv->infra_open = 0; | |
876c9d3a MT |
1220 | |
1221 | SET_MODULE_OWNER(dev); | |
876c9d3a MT |
1222 | |
1223 | /* Setup the OS Interface to our functions */ | |
e5241472 DW |
1224 | dev->open = libertas_open; |
1225 | dev->hard_start_xmit = libertas_pre_start_xmit; | |
1226 | dev->stop = libertas_close; | |
1227 | dev->set_mac_address = libertas_set_mac_address; | |
1228 | dev->tx_timeout = libertas_tx_timeout; | |
1229 | dev->get_stats = libertas_get_stats; | |
fb3dddf2 | 1230 | dev->watchdog_timeo = 5 * HZ; |
876c9d3a | 1231 | dev->ethtool_ops = &libertas_ethtool_ops; |
876c9d3a MT |
1232 | #ifdef WIRELESS_EXT |
1233 | dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def; | |
876c9d3a MT |
1234 | #endif |
1235 | #define NETIF_F_DYNALLOC 16 | |
1236 | dev->features |= NETIF_F_DYNALLOC; | |
1237 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
e5241472 | 1238 | dev->set_multicast_list = libertas_set_multicast_list; |
876c9d3a | 1239 | |
7732ca45 DW |
1240 | SET_NETDEV_DEV(dev, dmdev); |
1241 | ||
876c9d3a MT |
1242 | INIT_LIST_HEAD(&priv->adapter->cmdfreeq); |
1243 | INIT_LIST_HEAD(&priv->adapter->cmdpendingq); | |
1244 | ||
1245 | spin_lock_init(&priv->adapter->driver_lock); | |
1246 | init_waitqueue_head(&priv->adapter->cmd_pending); | |
1247 | priv->adapter->nr_cmd_pending = 0; | |
965f8bbc LCC |
1248 | priv->rtap_net_dev = NULL; |
1249 | if (device_create_file(dmdev, &dev_attr_libertas_rtap)) | |
1250 | goto err_kzalloc; | |
32a74b7c HS |
1251 | goto done; |
1252 | ||
1253 | err_kzalloc: | |
1254 | free_netdev(dev); | |
6a812157 | 1255 | priv = NULL; |
32a74b7c HS |
1256 | done: |
1257 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
1258 | return priv; | |
1259 | } | |
084708b6 | 1260 | EXPORT_SYMBOL_GPL(libertas_add_card); |
32a74b7c | 1261 | |
1df4e8fe | 1262 | int libertas_activate_card(wlan_private *priv) |
32a74b7c | 1263 | { |
634b8f49 | 1264 | struct net_device *dev = priv->dev; |
32a74b7c HS |
1265 | int ret = -1; |
1266 | ||
1267 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1268 | |
fe336150 DW |
1269 | lbs_deb_thread("Starting main thread...\n"); |
1270 | init_waitqueue_head(&priv->waitq); | |
1271 | priv->main_thread = kthread_run(libertas_thread, dev, "libertas_main"); | |
1272 | if (IS_ERR(priv->main_thread)) { | |
1273 | lbs_deb_thread("Error creating main thread.\n"); | |
1274 | goto done; | |
1275 | } | |
876c9d3a | 1276 | |
2afc0c5d | 1277 | priv->work_thread = create_singlethread_workqueue("libertas_worker"); |
eb3ce631 | 1278 | INIT_DELAYED_WORK(&priv->assoc_work, libertas_association_worker); |
2afc0c5d DW |
1279 | INIT_DELAYED_WORK(&priv->scan_work, libertas_scan_worker); |
1280 | ||
b8bedefd | 1281 | INIT_WORK(&priv->sync_channel, libertas_sync_channel); |
876c9d3a MT |
1282 | |
1283 | /* | |
1284 | * Register the device. Fillup the private data structure with | |
1285 | * relevant information from the card and request for the required | |
1286 | * IRQ. | |
1287 | */ | |
208fdd2f | 1288 | if (priv->hw_register_dev(priv) < 0) { |
9012b28a | 1289 | lbs_pr_err("failed to register WLAN device\n"); |
876c9d3a MT |
1290 | goto err_registerdev; |
1291 | } | |
1292 | ||
1293 | /* init FW and HW */ | |
1df4e8fe | 1294 | if (libertas_init_fw(priv)) { |
9012b28a | 1295 | lbs_pr_err("firmware init failed\n"); |
876c9d3a MT |
1296 | goto err_registerdev; |
1297 | } | |
1298 | ||
1299 | if (register_netdev(dev)) { | |
9012b28a | 1300 | lbs_pr_err("cannot register ethX device\n"); |
876c9d3a MT |
1301 | goto err_init_fw; |
1302 | } | |
1303 | ||
9012b28a | 1304 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
876c9d3a MT |
1305 | |
1306 | libertas_debugfs_init_one(priv, dev); | |
1307 | ||
32a74b7c HS |
1308 | ret = 0; |
1309 | goto done; | |
876c9d3a | 1310 | |
876c9d3a | 1311 | err_init_fw: |
208fdd2f | 1312 | priv->hw_unregister_dev(priv); |
876c9d3a | 1313 | err_registerdev: |
2afc0c5d | 1314 | destroy_workqueue(priv->work_thread); |
876c9d3a | 1315 | /* Stop the thread servicing the interrupts */ |
fe336150 DW |
1316 | wake_up_interruptible(&priv->waitq); |
1317 | kthread_stop(priv->main_thread); | |
32a74b7c HS |
1318 | done: |
1319 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
1320 | return ret; | |
876c9d3a | 1321 | } |
084708b6 HS |
1322 | EXPORT_SYMBOL_GPL(libertas_activate_card); |
1323 | ||
876c9d3a | 1324 | |
78523daa HS |
1325 | /** |
1326 | * @brief This function adds mshX interface | |
1327 | * | |
1328 | * @param priv A pointer to the wlan_private structure | |
1329 | * @return 0 if successful, -X otherwise | |
1330 | */ | |
7732ca45 | 1331 | int libertas_add_mesh(wlan_private *priv, struct device *dev) |
78523daa HS |
1332 | { |
1333 | struct net_device *mesh_dev = NULL; | |
1334 | int ret = 0; | |
1335 | ||
1336 | lbs_deb_enter(LBS_DEB_MESH); | |
1337 | ||
1338 | /* Allocate a virtual mesh device */ | |
1339 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1340 | lbs_deb_mesh("init mshX device failed\n"); | |
1341 | ret = -ENOMEM; | |
1342 | goto done; | |
1343 | } | |
1344 | mesh_dev->priv = priv; | |
1345 | priv->mesh_dev = mesh_dev; | |
1346 | ||
1347 | SET_MODULE_OWNER(mesh_dev); | |
1348 | ||
e5241472 DW |
1349 | mesh_dev->open = libertas_mesh_open; |
1350 | mesh_dev->hard_start_xmit = libertas_mesh_pre_start_xmit; | |
1351 | mesh_dev->stop = libertas_mesh_close; | |
1352 | mesh_dev->get_stats = libertas_get_stats; | |
1353 | mesh_dev->set_mac_address = libertas_set_mac_address; | |
78523daa | 1354 | mesh_dev->ethtool_ops = &libertas_ethtool_ops; |
634b8f49 HS |
1355 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1356 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1357 | |
7732ca45 DW |
1358 | SET_NETDEV_DEV(priv->mesh_dev, dev); |
1359 | ||
78523daa | 1360 | #ifdef WIRELESS_EXT |
f5e05b69 | 1361 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa HS |
1362 | #endif |
1363 | #define NETIF_F_DYNALLOC 16 | |
1364 | ||
1365 | /* Register virtual mesh interface */ | |
1366 | ret = register_netdev(mesh_dev); | |
1367 | if (ret) { | |
1368 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1369 | goto err_free; | |
1370 | } | |
1371 | ||
a9f38d02 | 1372 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &libertas_mesh_attr_group); |
78523daa HS |
1373 | if (ret) |
1374 | goto err_unregister; | |
1375 | ||
1376 | /* Everything successful */ | |
1377 | ret = 0; | |
1378 | goto done; | |
1379 | ||
78523daa HS |
1380 | err_unregister: |
1381 | unregister_netdev(mesh_dev); | |
1382 | ||
1383 | err_free: | |
1384 | free_netdev(mesh_dev); | |
1385 | ||
1386 | done: | |
1387 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1388 | return ret; | |
1389 | } | |
084708b6 | 1390 | EXPORT_SYMBOL_GPL(libertas_add_mesh); |
78523daa | 1391 | |
876c9d3a MT |
1392 | static void wake_pending_cmdnodes(wlan_private *priv) |
1393 | { | |
1394 | struct cmd_ctrl_node *cmdnode; | |
1395 | unsigned long flags; | |
1396 | ||
8ff12da1 | 1397 | lbs_deb_enter(LBS_DEB_HOST); |
9012b28a | 1398 | |
876c9d3a MT |
1399 | spin_lock_irqsave(&priv->adapter->driver_lock, flags); |
1400 | list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) { | |
1401 | cmdnode->cmdwaitqwoken = 1; | |
1402 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1403 | } | |
1404 | spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); | |
1405 | } | |
1406 | ||
1407 | ||
084708b6 | 1408 | int libertas_remove_card(wlan_private *priv) |
876c9d3a | 1409 | { |
876c9d3a MT |
1410 | wlan_adapter *adapter; |
1411 | struct net_device *dev; | |
876c9d3a | 1412 | union iwreq_data wrqu; |
876c9d3a | 1413 | |
9012b28a | 1414 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 1415 | |
965f8bbc | 1416 | libertas_remove_rtap(priv); |
9012b28a HS |
1417 | if (!priv) |
1418 | goto out; | |
876c9d3a MT |
1419 | |
1420 | adapter = priv->adapter; | |
1421 | ||
9012b28a HS |
1422 | if (!adapter) |
1423 | goto out; | |
876c9d3a | 1424 | |
634b8f49 | 1425 | dev = priv->dev; |
965f8bbc | 1426 | device_remove_file(priv->hotplug_device, &dev_attr_libertas_rtap); |
876c9d3a | 1427 | |
634b8f49 HS |
1428 | netif_stop_queue(priv->dev); |
1429 | netif_carrier_off(priv->dev); | |
876c9d3a MT |
1430 | |
1431 | wake_pending_cmdnodes(priv); | |
1432 | ||
876c9d3a MT |
1433 | unregister_netdev(dev); |
1434 | ||
2afc0c5d | 1435 | cancel_delayed_work(&priv->scan_work); |
876c9d3a | 1436 | cancel_delayed_work(&priv->assoc_work); |
2afc0c5d | 1437 | destroy_workqueue(priv->work_thread); |
876c9d3a | 1438 | |
0aef64d7 DW |
1439 | if (adapter->psmode == WLAN802_11POWERMODEMAX_PSP) { |
1440 | adapter->psmode = WLAN802_11POWERMODECAM; | |
1441 | libertas_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); | |
876c9d3a MT |
1442 | } |
1443 | ||
1444 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); | |
1445 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
634b8f49 | 1446 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); |
876c9d3a | 1447 | |
876c9d3a MT |
1448 | adapter->surpriseremoved = 1; |
1449 | ||
1450 | /* Stop the thread servicing the interrupts */ | |
fe336150 | 1451 | kthread_stop(priv->main_thread); |
876c9d3a MT |
1452 | |
1453 | libertas_debugfs_remove_one(priv); | |
1454 | ||
9012b28a | 1455 | lbs_deb_net("free adapter\n"); |
876c9d3a MT |
1456 | libertas_free_adapter(priv); |
1457 | ||
9012b28a | 1458 | lbs_deb_net("unregister finish\n"); |
876c9d3a | 1459 | |
634b8f49 | 1460 | priv->dev = NULL; |
876c9d3a | 1461 | free_netdev(dev); |
876c9d3a | 1462 | |
9012b28a HS |
1463 | out: |
1464 | lbs_deb_leave(LBS_DEB_NET); | |
876c9d3a MT |
1465 | return 0; |
1466 | } | |
084708b6 | 1467 | EXPORT_SYMBOL_GPL(libertas_remove_card); |
876c9d3a | 1468 | |
084708b6 HS |
1469 | |
1470 | void libertas_remove_mesh(wlan_private *priv) | |
78523daa HS |
1471 | { |
1472 | struct net_device *mesh_dev; | |
1473 | ||
1474 | lbs_deb_enter(LBS_DEB_NET); | |
1475 | ||
1476 | if (!priv) | |
1477 | goto out; | |
1478 | ||
1479 | mesh_dev = priv->mesh_dev; | |
1480 | ||
1481 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1482 | netif_carrier_off(priv->mesh_dev); |
78523daa | 1483 | |
a9f38d02 | 1484 | sysfs_remove_group(&(mesh_dev->dev.kobj), &libertas_mesh_attr_group); |
78523daa HS |
1485 | unregister_netdev(mesh_dev); |
1486 | ||
1487 | priv->mesh_dev = NULL ; | |
1488 | free_netdev(mesh_dev); | |
1489 | ||
1490 | out: | |
1491 | lbs_deb_leave(LBS_DEB_NET); | |
1492 | } | |
084708b6 | 1493 | EXPORT_SYMBOL_GPL(libertas_remove_mesh); |
78523daa | 1494 | |
876c9d3a MT |
1495 | /** |
1496 | * @brief This function finds the CFP in | |
1497 | * region_cfp_table based on region and band parameter. | |
1498 | * | |
1499 | * @param region The region code | |
1500 | * @param band The band | |
1501 | * @param cfp_no A pointer to CFP number | |
1502 | * @return A pointer to CFP | |
1503 | */ | |
1504 | struct chan_freq_power *libertas_get_region_cfp_table(u8 region, u8 band, int *cfp_no) | |
1505 | { | |
1506 | int i, end; | |
1507 | ||
9012b28a | 1508 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1509 | |
1510 | end = sizeof(region_cfp_table)/sizeof(struct region_cfp_table); | |
1511 | ||
1512 | for (i = 0; i < end ; i++) { | |
9012b28a | 1513 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1514 | region_cfp_table[i].region); |
1515 | if (region_cfp_table[i].region == region) { | |
1516 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1517 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1518 | return region_cfp_table[i].cfp_BG; |
1519 | } | |
1520 | } | |
1521 | ||
9012b28a | 1522 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1523 | return NULL; |
1524 | } | |
1525 | ||
1526 | int libertas_set_regiontable(wlan_private * priv, u8 region, u8 band) | |
1527 | { | |
1528 | wlan_adapter *adapter = priv->adapter; | |
9012b28a | 1529 | int ret = 0; |
876c9d3a MT |
1530 | int i = 0; |
1531 | ||
1532 | struct chan_freq_power *cfp; | |
1533 | int cfp_no; | |
1534 | ||
9012b28a | 1535 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1536 | |
1537 | memset(adapter->region_channel, 0, sizeof(adapter->region_channel)); | |
1538 | ||
1539 | { | |
1540 | cfp = libertas_get_region_cfp_table(region, band, &cfp_no); | |
1541 | if (cfp != NULL) { | |
1542 | adapter->region_channel[i].nrcfp = cfp_no; | |
1543 | adapter->region_channel[i].CFP = cfp; | |
1544 | } else { | |
9012b28a | 1545 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1546 | region); |
9012b28a HS |
1547 | ret = -1; |
1548 | goto out; | |
876c9d3a MT |
1549 | } |
1550 | adapter->region_channel[i].valid = 1; | |
1551 | adapter->region_channel[i].region = region; | |
1552 | adapter->region_channel[i].band = band; | |
1553 | i++; | |
1554 | } | |
9012b28a HS |
1555 | out: |
1556 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1557 | return ret; | |
876c9d3a MT |
1558 | } |
1559 | ||
1560 | /** | |
1561 | * @brief This function handles the interrupt. it will change PS | |
1562 | * state if applicable. it will wake up main_thread to handle | |
1563 | * the interrupt event as well. | |
1564 | * | |
1565 | * @param dev A pointer to net_device structure | |
1566 | * @return n/a | |
1567 | */ | |
1568 | void libertas_interrupt(struct net_device *dev) | |
1569 | { | |
1570 | wlan_private *priv = dev->priv; | |
1571 | ||
ed37b516 | 1572 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1573 | |
ed37b516 | 1574 | lbs_deb_thread("libertas_interrupt: intcounter=%d\n", |
876c9d3a MT |
1575 | priv->adapter->intcounter); |
1576 | ||
1577 | priv->adapter->intcounter++; | |
1578 | ||
1579 | if (priv->adapter->psstate == PS_STATE_SLEEP) { | |
1580 | priv->adapter->psstate = PS_STATE_AWAKE; | |
1581 | netif_wake_queue(dev); | |
3cf84091 HS |
1582 | if (priv->mesh_dev) |
1583 | netif_wake_queue(priv->mesh_dev); | |
876c9d3a MT |
1584 | } |
1585 | ||
fe336150 | 1586 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1587 | |
ed37b516 | 1588 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1589 | } |
084708b6 | 1590 | EXPORT_SYMBOL_GPL(libertas_interrupt); |
876c9d3a | 1591 | |
eedc2a31 DW |
1592 | int libertas_reset_device(wlan_private *priv) |
1593 | { | |
1594 | int ret; | |
1595 | ||
1596 | lbs_deb_enter(LBS_DEB_MAIN); | |
1597 | ret = libertas_prepare_and_send_command(priv, CMD_802_11_RESET, | |
1598 | CMD_ACT_HALT, 0, 0, NULL); | |
1599 | msleep_interruptible(10); | |
1600 | ||
1601 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1602 | return ret; | |
1603 | } | |
1604 | EXPORT_SYMBOL_GPL(libertas_reset_device); | |
1605 | ||
084708b6 | 1606 | static int libertas_init_module(void) |
876c9d3a | 1607 | { |
9012b28a | 1608 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1609 | libertas_debugfs_init(); |
084708b6 HS |
1610 | lbs_deb_leave(LBS_DEB_MAIN); |
1611 | return 0; | |
876c9d3a MT |
1612 | } |
1613 | ||
084708b6 | 1614 | static void libertas_exit_module(void) |
876c9d3a | 1615 | { |
9012b28a | 1616 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1617 | |
876c9d3a MT |
1618 | libertas_debugfs_remove(); |
1619 | ||
9012b28a | 1620 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1621 | } |
1622 | ||
965f8bbc LCC |
1623 | /* |
1624 | * rtap interface support fuctions | |
1625 | */ | |
1626 | ||
1627 | static int libertas_rtap_open(struct net_device *dev) | |
1628 | { | |
1629 | netif_carrier_off(dev); | |
1630 | netif_stop_queue(dev); | |
1631 | return 0; | |
1632 | } | |
1633 | ||
1634 | static int libertas_rtap_stop(struct net_device *dev) | |
1635 | { | |
1636 | return 0; | |
1637 | } | |
1638 | ||
1639 | static int libertas_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
1640 | { | |
1641 | netif_stop_queue(dev); | |
1642 | return -EOPNOTSUPP; | |
1643 | } | |
1644 | ||
1645 | static struct net_device_stats *libertas_rtap_get_stats(struct net_device *dev) | |
1646 | { | |
1647 | wlan_private *priv = dev->priv; | |
1648 | return &priv->ieee->stats; | |
1649 | } | |
1650 | ||
1651 | ||
1652 | void libertas_remove_rtap(wlan_private *priv) | |
1653 | { | |
1654 | if (priv->rtap_net_dev == NULL) | |
1655 | return; | |
1656 | unregister_netdev(priv->rtap_net_dev); | |
1657 | free_ieee80211(priv->rtap_net_dev); | |
1658 | priv->rtap_net_dev = NULL; | |
1659 | } | |
1660 | ||
1661 | int libertas_add_rtap(wlan_private *priv) | |
1662 | { | |
1663 | int rc = 0; | |
1664 | ||
1665 | if (priv->rtap_net_dev) | |
1666 | return -EPERM; | |
1667 | ||
1668 | priv->rtap_net_dev = alloc_ieee80211(0); | |
1669 | if (priv->rtap_net_dev == NULL) | |
1670 | return -ENOMEM; | |
1671 | ||
1672 | ||
1673 | priv->ieee = netdev_priv(priv->rtap_net_dev); | |
1674 | ||
1675 | strcpy(priv->rtap_net_dev->name, "rtap%d"); | |
1676 | ||
1677 | priv->rtap_net_dev->type = ARPHRD_IEEE80211_RADIOTAP; | |
1678 | priv->rtap_net_dev->open = libertas_rtap_open; | |
1679 | priv->rtap_net_dev->stop = libertas_rtap_stop; | |
1680 | priv->rtap_net_dev->get_stats = libertas_rtap_get_stats; | |
1681 | priv->rtap_net_dev->hard_start_xmit = libertas_rtap_hard_start_xmit; | |
1682 | priv->rtap_net_dev->set_multicast_list = libertas_set_multicast_list; | |
1683 | priv->rtap_net_dev->priv = priv; | |
1684 | ||
1685 | priv->ieee->iw_mode = IW_MODE_MONITOR; | |
1686 | ||
1687 | rc = register_netdev(priv->rtap_net_dev); | |
1688 | if (rc) { | |
1689 | free_ieee80211(priv->rtap_net_dev); | |
1690 | priv->rtap_net_dev = NULL; | |
1691 | return rc; | |
1692 | } | |
1693 | ||
1694 | return 0; | |
1695 | } | |
1696 | ||
1697 | ||
084708b6 HS |
1698 | module_init(libertas_init_module); |
1699 | module_exit(libertas_exit_module); | |
876c9d3a | 1700 | |
084708b6 | 1701 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1702 | MODULE_AUTHOR("Marvell International Ltd."); |
1703 | MODULE_LICENSE("GPL"); |