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" |
10078321 | 27 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
3ce40232 DW |
28 | #ifdef DEBUG |
29 | "-dbg" | |
30 | #endif | |
31 | ""; | |
32 | ||
a46c6410 HS |
33 | |
34 | /* Module parameters */ | |
10078321 HS |
35 | unsigned int lbs_debug; |
36 | EXPORT_SYMBOL_GPL(lbs_debug); | |
37 | module_param_named(libertas_debug, lbs_debug, int, 0644); | |
a46c6410 HS |
38 | |
39 | ||
10078321 HS |
40 | #define LBS_TX_PWR_DEFAULT 20 /*100mW */ |
41 | #define LBS_TX_PWR_US_DEFAULT 20 /*100mW */ | |
42 | #define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
43 | #define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
44 | #define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
876c9d3a MT |
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[] = { | |
10078321 HS |
49 | {1, 2412, LBS_TX_PWR_US_DEFAULT}, |
50 | {2, 2417, LBS_TX_PWR_US_DEFAULT}, | |
51 | {3, 2422, LBS_TX_PWR_US_DEFAULT}, | |
52 | {4, 2427, LBS_TX_PWR_US_DEFAULT}, | |
53 | {5, 2432, LBS_TX_PWR_US_DEFAULT}, | |
54 | {6, 2437, LBS_TX_PWR_US_DEFAULT}, | |
55 | {7, 2442, LBS_TX_PWR_US_DEFAULT}, | |
56 | {8, 2447, LBS_TX_PWR_US_DEFAULT}, | |
57 | {9, 2452, LBS_TX_PWR_US_DEFAULT}, | |
58 | {10, 2457, LBS_TX_PWR_US_DEFAULT}, | |
59 | {11, 2462, LBS_TX_PWR_US_DEFAULT} | |
876c9d3a MT |
60 | }; |
61 | ||
62 | /* band: 'B/G', region: Europe ETSI */ | |
63 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
10078321 HS |
64 | {1, 2412, LBS_TX_PWR_EMEA_DEFAULT}, |
65 | {2, 2417, LBS_TX_PWR_EMEA_DEFAULT}, | |
66 | {3, 2422, LBS_TX_PWR_EMEA_DEFAULT}, | |
67 | {4, 2427, LBS_TX_PWR_EMEA_DEFAULT}, | |
68 | {5, 2432, LBS_TX_PWR_EMEA_DEFAULT}, | |
69 | {6, 2437, LBS_TX_PWR_EMEA_DEFAULT}, | |
70 | {7, 2442, LBS_TX_PWR_EMEA_DEFAULT}, | |
71 | {8, 2447, LBS_TX_PWR_EMEA_DEFAULT}, | |
72 | {9, 2452, LBS_TX_PWR_EMEA_DEFAULT}, | |
73 | {10, 2457, LBS_TX_PWR_EMEA_DEFAULT}, | |
74 | {11, 2462, LBS_TX_PWR_EMEA_DEFAULT}, | |
75 | {12, 2467, LBS_TX_PWR_EMEA_DEFAULT}, | |
76 | {13, 2472, LBS_TX_PWR_EMEA_DEFAULT} | |
876c9d3a MT |
77 | }; |
78 | ||
79 | /* band: 'B/G', region: Spain */ | |
80 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
10078321 HS |
81 | {10, 2457, LBS_TX_PWR_DEFAULT}, |
82 | {11, 2462, LBS_TX_PWR_DEFAULT} | |
876c9d3a MT |
83 | }; |
84 | ||
85 | /* band: 'B/G', region: France */ | |
86 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
10078321 HS |
87 | {10, 2457, LBS_TX_PWR_FR_DEFAULT}, |
88 | {11, 2462, LBS_TX_PWR_FR_DEFAULT}, | |
89 | {12, 2467, LBS_TX_PWR_FR_DEFAULT}, | |
90 | {13, 2472, LBS_TX_PWR_FR_DEFAULT} | |
876c9d3a MT |
91 | }; |
92 | ||
93 | /* band: 'B/G', region: Japan */ | |
94 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
10078321 HS |
95 | {1, 2412, LBS_TX_PWR_JP_DEFAULT}, |
96 | {2, 2417, LBS_TX_PWR_JP_DEFAULT}, | |
97 | {3, 2422, LBS_TX_PWR_JP_DEFAULT}, | |
98 | {4, 2427, LBS_TX_PWR_JP_DEFAULT}, | |
99 | {5, 2432, LBS_TX_PWR_JP_DEFAULT}, | |
100 | {6, 2437, LBS_TX_PWR_JP_DEFAULT}, | |
101 | {7, 2442, LBS_TX_PWR_JP_DEFAULT}, | |
102 | {8, 2447, LBS_TX_PWR_JP_DEFAULT}, | |
103 | {9, 2452, LBS_TX_PWR_JP_DEFAULT}, | |
104 | {10, 2457, LBS_TX_PWR_JP_DEFAULT}, | |
105 | {11, 2462, LBS_TX_PWR_JP_DEFAULT}, | |
106 | {12, 2467, LBS_TX_PWR_JP_DEFAULT}, | |
107 | {13, 2472, LBS_TX_PWR_JP_DEFAULT}, | |
108 | {14, 2484, LBS_TX_PWR_JP_DEFAULT} | |
876c9d3a MT |
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, | |
ff8ac609 | 126 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
127 | } |
128 | , | |
129 | {0x20, /*CANADA IC */ | |
130 | channel_freq_power_US_BG, | |
ff8ac609 | 131 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
132 | } |
133 | , | |
134 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
ff8ac609 | 135 | ARRAY_SIZE(channel_freq_power_EU_BG), |
876c9d3a MT |
136 | } |
137 | , | |
138 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
ff8ac609 | 139 | ARRAY_SIZE(channel_freq_power_SPN_BG), |
876c9d3a MT |
140 | } |
141 | , | |
142 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
ff8ac609 | 143 | ARRAY_SIZE(channel_freq_power_FR_BG), |
876c9d3a MT |
144 | } |
145 | , | |
146 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
ff8ac609 | 147 | ARRAY_SIZE(channel_freq_power_JPN_BG), |
876c9d3a MT |
148 | } |
149 | , | |
150 | /*Add new region here */ | |
151 | }; | |
152 | ||
876c9d3a | 153 | /** |
8c512765 | 154 | * the table to keep region code |
876c9d3a | 155 | */ |
10078321 | 156 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
8c512765 | 157 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
876c9d3a MT |
158 | |
159 | /** | |
8c512765 | 160 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 161 | */ |
10078321 | 162 | u8 lbs_bg_rates[MAX_RATES] = |
8c512765 DW |
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 | */ |
10078321 | 182 | u32 lbs_fw_index_to_data_rate(u8 idx) |
8c512765 DW |
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 | */ | |
10078321 | 195 | u8 lbs_data_rate_to_fw_index(u32 rate) |
8c512765 DW |
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 | */ |
10078321 | 216 | static ssize_t lbs_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)); | |
10078321 | 222 | lbs_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 | */ |
10078321 | 233 | static ssize_t lbs_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 | ||
10078321 | 243 | lbs_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 | ||
10078321 HS |
250 | int lbs_add_rtap(lbs_private *priv); |
251 | void lbs_remove_rtap(lbs_private *priv); | |
965f8bbc LCC |
252 | |
253 | /** | |
254 | * Get function for sysfs attribute rtap | |
255 | */ | |
10078321 | 256 | static ssize_t lbs_rtap_get(struct device *dev, |
965f8bbc LCC |
257 | struct device_attribute *attr, char * buf) |
258 | { | |
10078321 HS |
259 | lbs_private *priv = (lbs_private *) (to_net_dev(dev))->priv; |
260 | lbs_adapter *adapter = priv->adapter; | |
965f8bbc LCC |
261 | return snprintf(buf, 5, "0x%X\n", adapter->monitormode); |
262 | } | |
263 | ||
264 | /** | |
265 | * Set function for sysfs attribute rtap | |
266 | */ | |
10078321 | 267 | static ssize_t lbs_rtap_set(struct device *dev, |
965f8bbc LCC |
268 | struct device_attribute *attr, const char * buf, size_t count) |
269 | { | |
270 | int monitor_mode; | |
10078321 HS |
271 | lbs_private *priv = (lbs_private *) (to_net_dev(dev))->priv; |
272 | lbs_adapter *adapter = priv->adapter; | |
965f8bbc LCC |
273 | |
274 | sscanf(buf, "%x", &monitor_mode); | |
10078321 | 275 | if (monitor_mode != LBS_MONITOR_OFF) { |
965f8bbc LCC |
276 | if(adapter->monitormode == monitor_mode) |
277 | return strlen(buf); | |
10078321 | 278 | if (adapter->monitormode == LBS_MONITOR_OFF) { |
965f8bbc | 279 | if (adapter->mode == IW_MODE_INFRA) |
10078321 | 280 | lbs_send_deauthentication(priv); |
965f8bbc | 281 | else if (adapter->mode == IW_MODE_ADHOC) |
10078321 HS |
282 | lbs_stop_adhoc_network(priv); |
283 | lbs_add_rtap(priv); | |
965f8bbc LCC |
284 | } |
285 | adapter->monitormode = monitor_mode; | |
286 | } | |
287 | ||
288 | else { | |
10078321 | 289 | if (adapter->monitormode == LBS_MONITOR_OFF) |
965f8bbc | 290 | return strlen(buf); |
10078321 HS |
291 | adapter->monitormode = LBS_MONITOR_OFF; |
292 | lbs_remove_rtap(priv); | |
965f8bbc LCC |
293 | netif_wake_queue(priv->dev); |
294 | netif_wake_queue(priv->mesh_dev); | |
295 | } | |
296 | ||
10078321 | 297 | lbs_prepare_and_send_command(priv, |
965f8bbc LCC |
298 | CMD_802_11_MONITOR_MODE, CMD_ACT_SET, |
299 | CMD_OPTION_WAITFORRSP, 0, &adapter->monitormode); | |
300 | return strlen(buf); | |
301 | } | |
302 | ||
303 | /** | |
10078321 | 304 | * lbs_rtap attribute to be exported per mshX interface |
965f8bbc LCC |
305 | * through sysfs (/sys/class/net/mshX/libertas-rtap) |
306 | */ | |
10078321 HS |
307 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, |
308 | lbs_rtap_set ); | |
965f8bbc | 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 | */ |
10078321 | 314 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); |
876c9d3a | 315 | |
10078321 | 316 | static ssize_t lbs_autostart_enabled_get(struct device *dev, |
a9f38d02 LCC |
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)); | |
10078321 | 322 | lbs_prepare_and_send_command(to_net_dev(dev)->priv, |
a9f38d02 LCC |
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 | ||
10078321 | 330 | static ssize_t lbs_autostart_enabled_set(struct device *dev, |
a9f38d02 LCC |
331 | struct device_attribute *attr, const char * buf, size_t count) |
332 | { | |
333 | struct cmd_ds_mesh_access mesh_access; | |
334 | uint32_t datum; | |
10078321 | 335 | lbs_private *priv = (to_net_dev(dev))->priv; |
d21b31fd | 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 | ||
10078321 | 342 | ret = lbs_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, | |
10078321 | 353 | lbs_autostart_enabled_get, lbs_autostart_enabled_set); |
a9f38d02 | 354 | |
10078321 | 355 | static struct attribute *lbs_mesh_sysfs_entries[] = { |
a9f38d02 LCC |
356 | &dev_attr_anycast_mask.attr, |
357 | &dev_attr_autostart_enabled.attr, | |
358 | NULL, | |
359 | }; | |
360 | ||
10078321 HS |
361 | static struct attribute_group lbs_mesh_attr_group = { |
362 | .attrs = lbs_mesh_sysfs_entries, | |
a9f38d02 LCC |
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 | { | |
10078321 HS |
378 | lbs_private *priv = (lbs_private *) dev->priv; |
379 | lbs_adapter *adapter = priv->adapter; | |
876c9d3a MT |
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 | */ | |
10078321 | 400 | static int lbs_dev_open(struct net_device *dev) |
876c9d3a | 401 | { |
10078321 HS |
402 | lbs_private *priv = (lbs_private *) dev->priv; |
403 | lbs_adapter *adapter = priv->adapter; | |
876c9d3a | 404 | |
9012b28a | 405 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
406 | |
407 | priv->open = 1; | |
408 | ||
10078321 | 409 | if (adapter->connect_status == LBS_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 | */ | |
10078321 | 428 | static int lbs_mesh_open(struct net_device *dev) |
876c9d3a | 429 | { |
10078321 | 430 | lbs_private *priv = (lbs_private *) dev->priv ; |
876c9d3a | 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) |
10078321 | 437 | return lbs_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 | */ | |
10078321 | 447 | static int lbs_open(struct net_device *dev) |
876c9d3a | 448 | { |
10078321 | 449 | lbs_private *priv = (lbs_private *) dev->priv ; |
876c9d3a MT |
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) |
10078321 | 456 | return lbs_dev_open(priv->dev) ; |
876c9d3a MT |
457 | return 0; |
458 | } | |
459 | ||
10078321 | 460 | static int lbs_dev_close(struct net_device *dev) |
876c9d3a | 461 | { |
10078321 | 462 | lbs_private *priv = dev->priv; |
876c9d3a | 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 | */ | |
10078321 | 479 | static int lbs_mesh_close(struct net_device *dev) |
876c9d3a | 480 | { |
10078321 | 481 | lbs_private *priv = (lbs_private *) (dev->priv); |
876c9d3a MT |
482 | |
483 | priv->mesh_open = 0; | |
484 | netif_stop_queue(priv->mesh_dev); | |
485 | if (priv->infra_open == 0) | |
10078321 | 486 | return lbs_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 | */ | |
10078321 | 497 | static int lbs_close(struct net_device *dev) |
78523daa | 498 | { |
10078321 | 499 | lbs_private *priv = (lbs_private *) dev->priv; |
876c9d3a | 500 | |
634b8f49 | 501 | netif_stop_queue(dev); |
876c9d3a MT |
502 | priv->infra_open = 0; |
503 | if (priv->mesh_open == 0) | |
10078321 | 504 | return lbs_dev_close(dev); |
876c9d3a MT |
505 | else |
506 | return 0; | |
507 | } | |
508 | ||
509 | ||
10078321 | 510 | static int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
876c9d3a MT |
511 | { |
512 | int ret = 0; | |
10078321 | 513 | lbs_private *priv = dev->priv; |
876c9d3a | 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 | 525 | |
10078321 | 526 | if (lbs_process_tx(priv, skb) == 0) |
876c9d3a MT |
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 | /** | |
10078321 | 534 | * @brief Mark mesh packets and handover them to lbs_hard_start_xmit |
876c9d3a MT |
535 | * |
536 | */ | |
10078321 | 537 | static int lbs_mesh_pre_start_xmit(struct sk_buff *skb, |
e5241472 | 538 | struct net_device *dev) |
876c9d3a | 539 | { |
10078321 | 540 | lbs_private *priv = dev->priv; |
9012b28a HS |
541 | int ret; |
542 | ||
543 | lbs_deb_enter(LBS_DEB_MESH); | |
10078321 | 544 | if (priv->adapter->monitormode != LBS_MONITOR_OFF) { |
965f8bbc LCC |
545 | netif_stop_queue(dev); |
546 | return -EOPNOTSUPP; | |
547 | } | |
9012b28a | 548 | |
876c9d3a | 549 | SET_MESH_FRAME(skb); |
876c9d3a | 550 | |
10078321 | 551 | ret = lbs_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 | /** | |
10078321 | 557 | * @brief Mark non-mesh packets and handover them to lbs_hard_start_xmit |
876c9d3a MT |
558 | * |
559 | */ | |
10078321 | 560 | static int lbs_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) |
9012b28a | 561 | { |
10078321 | 562 | lbs_private *priv = dev->priv; |
9012b28a HS |
563 | int ret; |
564 | ||
565 | lbs_deb_enter(LBS_DEB_NET); | |
566 | ||
10078321 | 567 | if (priv->adapter->monitormode != LBS_MONITOR_OFF) { |
965f8bbc LCC |
568 | netif_stop_queue(dev); |
569 | return -EOPNOTSUPP; | |
570 | } | |
571 | ||
876c9d3a | 572 | UNSET_MESH_FRAME(skb); |
9012b28a | 573 | |
10078321 | 574 | ret = lbs_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 | ||
10078321 | 579 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 580 | { |
10078321 | 581 | lbs_private *priv = (lbs_private *) dev->priv; |
876c9d3a | 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) { | |
10078321 | 591 | if (priv->adapter->monitormode != LBS_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; | |
10078321 | 595 | lbs_send_tx_feedback(priv); |
876c9d3a | 596 | } else |
fe336150 | 597 | wake_up_interruptible(&priv->waitq); |
10078321 | 598 | } else if (priv->adapter->connect_status == LBS_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 | * | |
10078321 | 610 | * @param dev A pointer to lbs_private structure |
876c9d3a MT |
611 | * @return A pointer to net_device_stats structure |
612 | */ | |
10078321 | 613 | static struct net_device_stats *lbs_get_stats(struct net_device *dev) |
876c9d3a | 614 | { |
10078321 | 615 | lbs_private *priv = (lbs_private *) dev->priv; |
876c9d3a MT |
616 | |
617 | return &priv->stats; | |
618 | } | |
619 | ||
10078321 | 620 | static int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
621 | { |
622 | int ret = 0; | |
10078321 HS |
623 | lbs_private *priv = (lbs_private *) dev->priv; |
624 | lbs_adapter *adapter = priv->adapter; | |
876c9d3a MT |
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 | ||
10078321 | 640 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS, |
0aef64d7 DW |
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 | ||
10078321 | 660 | static int lbs_copy_multicast_address(lbs_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 | ||
10078321 | 675 | static void lbs_set_multicast_list(struct net_device *dev) |
876c9d3a | 676 | { |
10078321 HS |
677 | lbs_private *priv = dev->priv; |
678 | lbs_adapter *adapter = priv->adapter; | |
876c9d3a | 679 | int oldpacketfilter; |
0795af57 | 680 | DECLARE_MAC_BUF(mac); |
876c9d3a | 681 | |
9012b28a | 682 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
683 | |
684 | oldpacketfilter = adapter->currentpacketfilter; | |
685 | ||
686 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 687 | lbs_deb_net("enable promiscuous mode\n"); |
876c9d3a | 688 | adapter->currentpacketfilter |= |
0aef64d7 | 689 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a | 690 | adapter->currentpacketfilter &= |
0aef64d7 DW |
691 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
692 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
693 | } else { |
694 | /* Multicast */ | |
695 | adapter->currentpacketfilter &= | |
0aef64d7 | 696 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
697 | |
698 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
699 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 700 | lbs_deb_net( "enabling all multicast\n"); |
876c9d3a | 701 | adapter->currentpacketfilter |= |
0aef64d7 | 702 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a | 703 | adapter->currentpacketfilter &= |
0aef64d7 | 704 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
705 | } else { |
706 | adapter->currentpacketfilter &= | |
0aef64d7 | 707 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
708 | |
709 | if (!dev->mc_count) { | |
9012b28a HS |
710 | lbs_deb_net("no multicast addresses, " |
711 | "disabling multicast\n"); | |
876c9d3a | 712 | adapter->currentpacketfilter &= |
0aef64d7 | 713 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
714 | } else { |
715 | int i; | |
716 | ||
717 | adapter->currentpacketfilter |= | |
0aef64d7 | 718 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
719 | |
720 | adapter->nr_of_multicastmacaddr = | |
10078321 | 721 | lbs_copy_multicast_address(adapter, dev); |
876c9d3a | 722 | |
9012b28a | 723 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
724 | dev->mc_count); |
725 | ||
726 | for (i = 0; i < dev->mc_count; i++) { | |
0795af57 JP |
727 | lbs_deb_net("Multicast address %d:%s\n", |
728 | i, print_mac(mac, | |
729 | adapter->multicastlist[i])); | |
876c9d3a | 730 | } |
9012b28a | 731 | /* send multicast addresses to firmware */ |
10078321 | 732 | lbs_prepare_and_send_command(priv, |
0aef64d7 DW |
733 | CMD_MAC_MULTICAST_ADR, |
734 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
735 | NULL); |
736 | } | |
737 | } | |
738 | } | |
739 | ||
740 | if (adapter->currentpacketfilter != oldpacketfilter) { | |
10078321 | 741 | lbs_set_mac_packet_filter(priv); |
876c9d3a MT |
742 | } |
743 | ||
9012b28a | 744 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
745 | } |
746 | ||
747 | /** | |
10078321 | 748 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
749 | * It handles all events generated by firmware, RX data received |
750 | * from firmware and TX data sent from kernel. | |
876c9d3a | 751 | * |
10078321 | 752 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
753 | * @return 0 |
754 | */ | |
10078321 | 755 | static int lbs_thread(void *data) |
876c9d3a | 756 | { |
fe336150 | 757 | struct net_device *dev = data; |
10078321 HS |
758 | lbs_private *priv = dev->priv; |
759 | lbs_adapter *adapter = priv->adapter; | |
876c9d3a MT |
760 | wait_queue_t wait; |
761 | u8 ireg = 0; | |
762 | ||
9012b28a | 763 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 764 | |
876c9d3a MT |
765 | init_waitqueue_entry(&wait, current); |
766 | ||
b1b1907d | 767 | set_freezable(); |
876c9d3a | 768 | for (;;) { |
9012b28a | 769 | lbs_deb_thread( "main-thread 111: intcounter=%d " |
876c9d3a MT |
770 | "currenttxskb=%p dnld_sent=%d\n", |
771 | adapter->intcounter, | |
634b8f49 | 772 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a | 773 | |
fe336150 | 774 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
775 | set_current_state(TASK_INTERRUPTIBLE); |
776 | spin_lock_irq(&adapter->driver_lock); | |
777 | if ((adapter->psstate == PS_STATE_SLEEP) || | |
778 | (!adapter->intcounter | |
634b8f49 | 779 | && (priv->dnld_sent || adapter->cur_cmd || |
876c9d3a | 780 | list_empty(&adapter->cmdpendingq)))) { |
9012b28a | 781 | lbs_deb_thread( |
876c9d3a MT |
782 | "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
783 | adapter->connect_status, adapter->intcounter, | |
784 | adapter->psmode, adapter->psstate); | |
785 | spin_unlock_irq(&adapter->driver_lock); | |
786 | schedule(); | |
787 | } else | |
788 | spin_unlock_irq(&adapter->driver_lock); | |
789 | ||
9012b28a | 790 | lbs_deb_thread( |
876c9d3a MT |
791 | "main-thread 222 (waking up): intcounter=%d currenttxskb=%p " |
792 | "dnld_sent=%d\n", adapter->intcounter, | |
634b8f49 | 793 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
794 | |
795 | set_current_state(TASK_RUNNING); | |
fe336150 | 796 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
797 | try_to_freeze(); |
798 | ||
9012b28a | 799 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
800 | "dnld_sent=%d\n", |
801 | adapter->intcounter, | |
634b8f49 | 802 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
803 | |
804 | if (kthread_should_stop() | |
805 | || adapter->surpriseremoved) { | |
9012b28a | 806 | lbs_deb_thread( |
876c9d3a MT |
807 | "main-thread: break from main thread: surpriseremoved=0x%x\n", |
808 | adapter->surpriseremoved); | |
809 | break; | |
810 | } | |
811 | ||
812 | ||
813 | spin_lock_irq(&adapter->driver_lock); | |
814 | if (adapter->intcounter) { | |
815 | u8 int_status; | |
816 | adapter->intcounter = 0; | |
208fdd2f | 817 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
818 | |
819 | if (int_status) { | |
9012b28a | 820 | lbs_deb_thread( |
876c9d3a MT |
821 | "main-thread: reading HOST_INT_STATUS_REG failed\n"); |
822 | spin_unlock_irq(&adapter->driver_lock); | |
823 | continue; | |
824 | } | |
825 | adapter->hisregcpy |= ireg; | |
826 | } | |
827 | ||
9012b28a | 828 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
829 | "dnld_sent=%d\n", |
830 | adapter->intcounter, | |
634b8f49 | 831 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
832 | |
833 | /* command response? */ | |
c95c7f93 | 834 | if (adapter->hisregcpy & MRVDRV_CMD_UPLD_RDY) { |
9012b28a | 835 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a | 836 | |
c95c7f93 | 837 | adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a | 838 | spin_unlock_irq(&adapter->driver_lock); |
10078321 | 839 | lbs_process_rx_command(priv); |
876c9d3a MT |
840 | spin_lock_irq(&adapter->driver_lock); |
841 | } | |
842 | ||
843 | /* Any Card Event */ | |
c95c7f93 | 844 | if (adapter->hisregcpy & MRVDRV_CARDEVENT) { |
9012b28a | 845 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a | 846 | |
c95c7f93 | 847 | adapter->hisregcpy &= ~MRVDRV_CARDEVENT; |
876c9d3a | 848 | |
208fdd2f | 849 | if (priv->hw_read_event_cause(priv)) { |
876c9d3a | 850 | lbs_pr_alert( |
208fdd2f | 851 | "main-thread: hw_read_event_cause failed\n"); |
876c9d3a MT |
852 | spin_unlock_irq(&adapter->driver_lock); |
853 | continue; | |
854 | } | |
855 | spin_unlock_irq(&adapter->driver_lock); | |
10078321 | 856 | lbs_process_event(priv); |
876c9d3a MT |
857 | } else |
858 | spin_unlock_irq(&adapter->driver_lock); | |
859 | ||
860 | /* Check if we need to confirm Sleep Request received previously */ | |
861 | if (adapter->psstate == PS_STATE_PRE_SLEEP) { | |
634b8f49 | 862 | if (!priv->dnld_sent && !adapter->cur_cmd) { |
876c9d3a | 863 | if (adapter->connect_status == |
10078321 | 864 | LBS_CONNECTED) { |
9012b28a | 865 | lbs_deb_thread( |
876c9d3a MT |
866 | "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p " |
867 | "dnld_sent=%d cur_cmd=%p, confirm now\n", | |
868 | adapter->intcounter, | |
869 | adapter->currenttxskb, | |
634b8f49 | 870 | priv->dnld_sent, |
876c9d3a MT |
871 | adapter->cur_cmd); |
872 | ||
10078321 | 873 | lbs_ps_confirm_sleep(priv, |
876c9d3a MT |
874 | (u16) adapter->psmode); |
875 | } else { | |
876 | /* workaround for firmware sending | |
877 | * deauth/linkloss event immediately | |
878 | * after sleep request, remove this | |
879 | * after firmware fixes it | |
880 | */ | |
881 | adapter->psstate = PS_STATE_AWAKE; | |
882 | lbs_pr_alert( | |
883 | "main-thread: ignore PS_SleepConfirm in non-connected state\n"); | |
884 | } | |
885 | } | |
886 | } | |
887 | ||
888 | /* The PS state is changed during processing of Sleep Request | |
889 | * event above | |
890 | */ | |
891 | if ((priv->adapter->psstate == PS_STATE_SLEEP) || | |
892 | (priv->adapter->psstate == PS_STATE_PRE_SLEEP)) | |
893 | continue; | |
894 | ||
895 | /* Execute the next command */ | |
634b8f49 | 896 | if (!priv->dnld_sent && !priv->adapter->cur_cmd) |
10078321 | 897 | lbs_execute_next_command(priv); |
876c9d3a MT |
898 | |
899 | /* Wake-up command waiters which can't sleep in | |
10078321 | 900 | * lbs_prepare_and_send_command |
876c9d3a MT |
901 | */ |
902 | if (!adapter->nr_cmd_pending) | |
903 | wake_up_all(&adapter->cmd_pending); | |
904 | ||
10078321 | 905 | lbs_tx_runqueue(priv); |
876c9d3a MT |
906 | } |
907 | ||
908 | del_timer(&adapter->command_timer); | |
909 | adapter->nr_cmd_pending = 0; | |
910 | wake_up_all(&adapter->cmd_pending); | |
876c9d3a | 911 | |
9012b28a | 912 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
913 | return 0; |
914 | } | |
915 | ||
1df4e8fe HS |
916 | /** |
917 | * @brief This function downloads firmware image, gets | |
918 | * HW spec from firmware and set basic parameters to | |
919 | * firmware. | |
920 | * | |
10078321 | 921 | * @param priv A pointer to lbs_private structure |
1df4e8fe HS |
922 | * @return 0 or -1 |
923 | */ | |
10078321 | 924 | static int lbs_setup_firmware(lbs_private *priv) |
1df4e8fe HS |
925 | { |
926 | int ret = -1; | |
10078321 | 927 | lbs_adapter *adapter = priv->adapter; |
d21b31fd | 928 | struct cmd_ds_mesh_access mesh_access; |
1df4e8fe HS |
929 | |
930 | lbs_deb_enter(LBS_DEB_FW); | |
931 | ||
1df4e8fe HS |
932 | /* |
933 | * Read MAC address from HW | |
934 | */ | |
935 | memset(adapter->current_addr, 0xff, ETH_ALEN); | |
936 | ||
10078321 | 937 | ret = lbs_prepare_and_send_command(priv, CMD_GET_HW_SPEC, |
1df4e8fe HS |
938 | 0, CMD_OPTION_WAITFORRSP, 0, NULL); |
939 | ||
940 | if (ret) { | |
941 | ret = -1; | |
942 | goto done; | |
943 | } | |
944 | ||
10078321 | 945 | lbs_set_mac_packet_filter(priv); |
1df4e8fe HS |
946 | |
947 | /* Get the supported Data rates */ | |
10078321 | 948 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_DATA_RATE, |
1df4e8fe HS |
949 | CMD_ACT_GET_TX_RATE, |
950 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
951 | ||
952 | if (ret) { | |
953 | ret = -1; | |
954 | goto done; | |
955 | } | |
956 | ||
d21b31fd LCC |
957 | /* Disable mesh autostart */ |
958 | if (priv->mesh_dev) { | |
959 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
960 | mesh_access.data[0] = cpu_to_le32(0); | |
10078321 | 961 | ret = lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
962 | CMD_MESH_ACCESS, |
963 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
964 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
965 | if (ret) { | |
966 | ret = -1; | |
967 | goto done; | |
968 | } | |
969 | priv->mesh_autostart_enabled = 0; | |
970 | } | |
971 | ||
63f0023b | 972 | /* Set the boot2 version in firmware */ |
10078321 | 973 | ret = lbs_prepare_and_send_command(priv, CMD_SET_BOOT2_VER, |
63f0023b LCC |
974 | 0, CMD_OPTION_WAITFORRSP, 0, NULL); |
975 | ||
1df4e8fe HS |
976 | ret = 0; |
977 | done: | |
978 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
979 | return ret; | |
980 | } | |
981 | ||
1df4e8fe HS |
982 | /** |
983 | * This function handles the timeout of command sending. | |
984 | * It will re-send the same command again. | |
985 | */ | |
986 | static void command_timer_fn(unsigned long data) | |
987 | { | |
10078321 HS |
988 | lbs_private *priv = (lbs_private *)data; |
989 | lbs_adapter *adapter = priv->adapter; | |
1df4e8fe HS |
990 | struct cmd_ctrl_node *ptempnode; |
991 | struct cmd_ds_command *cmd; | |
992 | unsigned long flags; | |
993 | ||
994 | ptempnode = adapter->cur_cmd; | |
995 | if (ptempnode == NULL) { | |
996 | lbs_deb_fw("ptempnode empty\n"); | |
997 | return; | |
998 | } | |
999 | ||
1000 | cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr; | |
1001 | if (!cmd) { | |
1002 | lbs_deb_fw("cmd is NULL\n"); | |
1003 | return; | |
1004 | } | |
1005 | ||
1006 | lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command); | |
1007 | ||
1008 | if (!adapter->fw_ready) | |
1009 | return; | |
1010 | ||
1011 | spin_lock_irqsave(&adapter->driver_lock, flags); | |
1012 | adapter->cur_cmd = NULL; | |
1013 | spin_unlock_irqrestore(&adapter->driver_lock, flags); | |
1014 | ||
1015 | lbs_deb_fw("re-sending same command because of timeout\n"); | |
10078321 | 1016 | lbs_queue_cmd(adapter, ptempnode, 0); |
1df4e8fe HS |
1017 | |
1018 | wake_up_interruptible(&priv->waitq); | |
1019 | ||
1020 | return; | |
1021 | } | |
1022 | ||
10078321 | 1023 | static int lbs_init_adapter(lbs_private *priv) |
ac558ca2 | 1024 | { |
10078321 | 1025 | lbs_adapter *adapter = priv->adapter; |
1df4e8fe | 1026 | size_t bufsize; |
954ee164 | 1027 | int i, ret = 0; |
1df4e8fe HS |
1028 | |
1029 | /* Allocate buffer to store the BSSID list */ | |
1030 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
1031 | adapter->networks = kzalloc(bufsize, GFP_KERNEL); | |
1032 | if (!adapter->networks) { | |
1033 | lbs_pr_err("Out of memory allocating beacons\n"); | |
954ee164 DW |
1034 | ret = -1; |
1035 | goto out; | |
1df4e8fe HS |
1036 | } |
1037 | ||
954ee164 DW |
1038 | /* Initialize scan result lists */ |
1039 | INIT_LIST_HEAD(&adapter->network_free_list); | |
1040 | INIT_LIST_HEAD(&adapter->network_list); | |
1041 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { | |
1042 | list_add_tail(&adapter->networks[i].list, | |
1043 | &adapter->network_free_list); | |
1044 | } | |
1df4e8fe | 1045 | |
10078321 HS |
1046 | adapter->lbs_ps_confirm_sleep.seqnum = cpu_to_le16(++adapter->seqnum); |
1047 | adapter->lbs_ps_confirm_sleep.command = | |
1df4e8fe | 1048 | cpu_to_le16(CMD_802_11_PS_MODE); |
10078321 | 1049 | adapter->lbs_ps_confirm_sleep.size = |
1df4e8fe | 1050 | cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep)); |
10078321 | 1051 | adapter->lbs_ps_confirm_sleep.action = |
1df4e8fe HS |
1052 | cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); |
1053 | ||
1df4e8fe HS |
1054 | memset(adapter->current_addr, 0xff, ETH_ALEN); |
1055 | ||
10078321 | 1056 | adapter->connect_status = LBS_DISCONNECTED; |
1df4e8fe HS |
1057 | adapter->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
1058 | adapter->mode = IW_MODE_INFRA; | |
1df4e8fe | 1059 | adapter->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; |
954ee164 | 1060 | adapter->currentpacketfilter = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
1df4e8fe | 1061 | adapter->radioon = RADIO_ON; |
1df4e8fe | 1062 | adapter->auto_rate = 1; |
1df4e8fe | 1063 | adapter->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; |
10078321 | 1064 | adapter->psmode = LBS802_11POWERMODECAM; |
1df4e8fe | 1065 | adapter->psstate = PS_STATE_FULL_POWER; |
1df4e8fe | 1066 | |
954ee164 | 1067 | mutex_init(&adapter->lock); |
1df4e8fe HS |
1068 | |
1069 | memset(&adapter->tx_queue_ps, 0, NR_TX_QUEUE*sizeof(struct sk_buff*)); | |
1070 | adapter->tx_queue_idx = 0; | |
1071 | spin_lock_init(&adapter->txqueue_lock); | |
1072 | ||
954ee164 DW |
1073 | setup_timer(&adapter->command_timer, command_timer_fn, |
1074 | (unsigned long)priv); | |
1df4e8fe | 1075 | |
954ee164 DW |
1076 | INIT_LIST_HEAD(&adapter->cmdfreeq); |
1077 | INIT_LIST_HEAD(&adapter->cmdpendingq); | |
1df4e8fe | 1078 | |
954ee164 DW |
1079 | spin_lock_init(&adapter->driver_lock); |
1080 | init_waitqueue_head(&adapter->cmd_pending); | |
1081 | adapter->nr_cmd_pending = 0; | |
1df4e8fe | 1082 | |
954ee164 | 1083 | /* Allocate the command buffers */ |
10078321 | 1084 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 DW |
1085 | lbs_pr_err("Out of memory allocating command buffers\n"); |
1086 | ret = -1; | |
1087 | } | |
1df4e8fe | 1088 | |
954ee164 DW |
1089 | out: |
1090 | return ret; | |
1091 | } | |
1df4e8fe | 1092 | |
10078321 | 1093 | static void lbs_free_adapter(lbs_private *priv) |
954ee164 | 1094 | { |
10078321 | 1095 | lbs_adapter *adapter = priv->adapter; |
1df4e8fe | 1096 | |
954ee164 DW |
1097 | if (!adapter) { |
1098 | lbs_deb_fw("why double free adapter?\n"); | |
1099 | return; | |
1df4e8fe HS |
1100 | } |
1101 | ||
954ee164 | 1102 | lbs_deb_fw("free command buffer\n"); |
10078321 | 1103 | lbs_free_cmd_buffer(priv); |
1df4e8fe | 1104 | |
954ee164 DW |
1105 | lbs_deb_fw("free command_timer\n"); |
1106 | del_timer(&adapter->command_timer); | |
1107 | ||
1108 | lbs_deb_fw("free scan results table\n"); | |
1109 | kfree(adapter->networks); | |
1110 | adapter->networks = NULL; | |
1111 | ||
1112 | /* Free the adapter object itself */ | |
1113 | lbs_deb_fw("free adapter\n"); | |
1114 | kfree(adapter); | |
1115 | priv->adapter = NULL; | |
1df4e8fe HS |
1116 | } |
1117 | ||
876c9d3a MT |
1118 | /** |
1119 | * @brief This function adds the card. it will probe the | |
10078321 | 1120 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1121 | * |
1122 | * @param card A pointer to card | |
10078321 | 1123 | * @return A pointer to lbs_private structure |
876c9d3a | 1124 | */ |
10078321 | 1125 | lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1126 | { |
1127 | struct net_device *dev = NULL; | |
10078321 | 1128 | lbs_private *priv = NULL; |
876c9d3a | 1129 | |
9012b28a | 1130 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
1131 | |
1132 | /* Allocate an Ethernet device and register it */ | |
10078321 | 1133 | if (!(dev = alloc_etherdev(sizeof(lbs_private)))) { |
9012b28a | 1134 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1135 | goto done; |
876c9d3a | 1136 | } |
64f104e8 | 1137 | priv = dev->priv; |
876c9d3a | 1138 | |
10078321 HS |
1139 | /* allocate buffer for lbs_adapter */ |
1140 | if (!(priv->adapter = kzalloc(sizeof(lbs_adapter), GFP_KERNEL))) { | |
1141 | lbs_pr_err("allocate buffer for lbs_adapter failed\n"); | |
fb3dddf2 | 1142 | goto err_kzalloc; |
876c9d3a MT |
1143 | } |
1144 | ||
10078321 | 1145 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1146 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1147 | goto err_init_adapter; | |
1148 | } | |
1149 | ||
634b8f49 HS |
1150 | priv->dev = dev; |
1151 | priv->card = card; | |
876c9d3a MT |
1152 | priv->mesh_open = 0; |
1153 | priv->infra_open = 0; | |
954ee164 | 1154 | priv->hotplug_device = dmdev; |
876c9d3a | 1155 | |
876c9d3a | 1156 | /* Setup the OS Interface to our functions */ |
10078321 HS |
1157 | dev->open = lbs_open; |
1158 | dev->hard_start_xmit = lbs_pre_start_xmit; | |
1159 | dev->stop = lbs_close; | |
1160 | dev->set_mac_address = lbs_set_mac_address; | |
1161 | dev->tx_timeout = lbs_tx_timeout; | |
1162 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1163 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1164 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1165 | #ifdef WIRELESS_EXT |
10078321 | 1166 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1167 | #endif |
876c9d3a | 1168 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1169 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1170 | |
7732ca45 DW |
1171 | SET_NETDEV_DEV(dev, dmdev); |
1172 | ||
965f8bbc | 1173 | priv->rtap_net_dev = NULL; |
10078321 | 1174 | if (device_create_file(dmdev, &dev_attr_lbs_rtap)) |
954ee164 DW |
1175 | goto err_init_adapter; |
1176 | ||
1177 | lbs_deb_thread("Starting main thread...\n"); | |
1178 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1179 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1180 | if (IS_ERR(priv->main_thread)) { |
1181 | lbs_deb_thread("Error creating main thread.\n"); | |
1182 | goto err_kthread_run; | |
1183 | } | |
1184 | ||
10078321 HS |
1185 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1186 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1187 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
1188 | INIT_WORK(&priv->sync_channel, lbs_sync_channel); | |
954ee164 | 1189 | |
32a74b7c HS |
1190 | goto done; |
1191 | ||
954ee164 | 1192 | err_kthread_run: |
10078321 | 1193 | device_remove_file(dmdev, &dev_attr_lbs_rtap); |
954ee164 DW |
1194 | |
1195 | err_init_adapter: | |
10078321 | 1196 | lbs_free_adapter(priv); |
954ee164 | 1197 | |
32a74b7c HS |
1198 | err_kzalloc: |
1199 | free_netdev(dev); | |
6a812157 | 1200 | priv = NULL; |
954ee164 | 1201 | |
32a74b7c HS |
1202 | done: |
1203 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
1204 | return priv; | |
1205 | } | |
10078321 | 1206 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1207 | |
954ee164 | 1208 | |
10078321 | 1209 | int lbs_remove_card(lbs_private *priv) |
32a74b7c | 1210 | { |
10078321 | 1211 | lbs_adapter *adapter = priv->adapter; |
634b8f49 | 1212 | struct net_device *dev = priv->dev; |
954ee164 | 1213 | union iwreq_data wrqu; |
32a74b7c HS |
1214 | |
1215 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1216 | |
10078321 | 1217 | lbs_remove_rtap(priv); |
876c9d3a | 1218 | |
954ee164 | 1219 | dev = priv->dev; |
10078321 | 1220 | device_remove_file(priv->hotplug_device, &dev_attr_lbs_rtap); |
2afc0c5d | 1221 | |
954ee164 DW |
1222 | cancel_delayed_work(&priv->scan_work); |
1223 | cancel_delayed_work(&priv->assoc_work); | |
1224 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1225 | |
10078321 HS |
1226 | if (adapter->psmode == LBS802_11POWERMODEMAX_PSP) { |
1227 | adapter->psmode = LBS802_11POWERMODECAM; | |
1228 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); | |
876c9d3a MT |
1229 | } |
1230 | ||
954ee164 DW |
1231 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1232 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1233 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1234 | ||
1235 | /* Stop the thread servicing the interrupts */ | |
1236 | adapter->surpriseremoved = 1; | |
1237 | kthread_stop(priv->main_thread); | |
1238 | ||
10078321 | 1239 | lbs_free_adapter(priv); |
954ee164 DW |
1240 | |
1241 | priv->dev = NULL; | |
1242 | free_netdev(dev); | |
1243 | ||
1244 | lbs_deb_leave(LBS_DEB_MAIN); | |
1245 | return 0; | |
1246 | } | |
10078321 | 1247 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1248 | |
1249 | ||
10078321 | 1250 | int lbs_start_card(lbs_private *priv) |
954ee164 DW |
1251 | { |
1252 | struct net_device *dev = priv->dev; | |
1253 | int ret = -1; | |
1254 | ||
1255 | lbs_deb_enter(LBS_DEB_MAIN); | |
1256 | ||
1257 | /* poke the firmware */ | |
10078321 | 1258 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1259 | if (ret) |
1260 | goto done; | |
1261 | ||
1262 | /* init 802.11d */ | |
10078321 | 1263 | lbs_init_11d(priv); |
876c9d3a MT |
1264 | |
1265 | if (register_netdev(dev)) { | |
9012b28a | 1266 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1267 | goto done; |
876c9d3a MT |
1268 | } |
1269 | ||
10078321 | 1270 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1271 | |
954ee164 DW |
1272 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1273 | ||
32a74b7c | 1274 | ret = 0; |
876c9d3a | 1275 | |
32a74b7c | 1276 | done: |
954ee164 DW |
1277 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1278 | return ret; | |
1279 | } | |
10078321 | 1280 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1281 | |
1282 | ||
10078321 | 1283 | int lbs_stop_card(lbs_private *priv) |
954ee164 DW |
1284 | { |
1285 | struct net_device *dev = priv->dev; | |
1286 | int ret = -1; | |
1287 | struct cmd_ctrl_node *cmdnode; | |
1288 | unsigned long flags; | |
1289 | ||
1290 | lbs_deb_enter(LBS_DEB_MAIN); | |
1291 | ||
1292 | netif_stop_queue(priv->dev); | |
1293 | netif_carrier_off(priv->dev); | |
1294 | ||
10078321 | 1295 | lbs_debugfs_remove_one(priv); |
954ee164 DW |
1296 | |
1297 | /* Flush pending command nodes */ | |
1298 | spin_lock_irqsave(&priv->adapter->driver_lock, flags); | |
1299 | list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) { | |
1300 | cmdnode->cmdwaitqwoken = 1; | |
1301 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1302 | } | |
1303 | spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); | |
1304 | ||
1305 | unregister_netdev(dev); | |
1306 | ||
1307 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
32a74b7c | 1308 | return ret; |
876c9d3a | 1309 | } |
10078321 | 1310 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1311 | |
876c9d3a | 1312 | |
78523daa HS |
1313 | /** |
1314 | * @brief This function adds mshX interface | |
1315 | * | |
10078321 | 1316 | * @param priv A pointer to the lbs_private structure |
78523daa HS |
1317 | * @return 0 if successful, -X otherwise |
1318 | */ | |
10078321 | 1319 | int lbs_add_mesh(lbs_private *priv, struct device *dev) |
78523daa HS |
1320 | { |
1321 | struct net_device *mesh_dev = NULL; | |
1322 | int ret = 0; | |
1323 | ||
1324 | lbs_deb_enter(LBS_DEB_MESH); | |
1325 | ||
1326 | /* Allocate a virtual mesh device */ | |
1327 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1328 | lbs_deb_mesh("init mshX device failed\n"); | |
1329 | ret = -ENOMEM; | |
1330 | goto done; | |
1331 | } | |
1332 | mesh_dev->priv = priv; | |
1333 | priv->mesh_dev = mesh_dev; | |
1334 | ||
10078321 HS |
1335 | mesh_dev->open = lbs_mesh_open; |
1336 | mesh_dev->hard_start_xmit = lbs_mesh_pre_start_xmit; | |
1337 | mesh_dev->stop = lbs_mesh_close; | |
1338 | mesh_dev->get_stats = lbs_get_stats; | |
1339 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1340 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1341 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1342 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1343 | |
7732ca45 DW |
1344 | SET_NETDEV_DEV(priv->mesh_dev, dev); |
1345 | ||
78523daa | 1346 | #ifdef WIRELESS_EXT |
f5e05b69 | 1347 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1348 | #endif |
78523daa HS |
1349 | /* Register virtual mesh interface */ |
1350 | ret = register_netdev(mesh_dev); | |
1351 | if (ret) { | |
1352 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1353 | goto err_free; | |
1354 | } | |
1355 | ||
10078321 | 1356 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1357 | if (ret) |
1358 | goto err_unregister; | |
1359 | ||
1360 | /* Everything successful */ | |
1361 | ret = 0; | |
1362 | goto done; | |
1363 | ||
78523daa HS |
1364 | err_unregister: |
1365 | unregister_netdev(mesh_dev); | |
1366 | ||
1367 | err_free: | |
1368 | free_netdev(mesh_dev); | |
1369 | ||
1370 | done: | |
1371 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1372 | return ret; | |
1373 | } | |
10078321 | 1374 | EXPORT_SYMBOL_GPL(lbs_add_mesh); |
78523daa | 1375 | |
084708b6 | 1376 | |
10078321 | 1377 | void lbs_remove_mesh(lbs_private *priv) |
78523daa HS |
1378 | { |
1379 | struct net_device *mesh_dev; | |
1380 | ||
954ee164 | 1381 | lbs_deb_enter(LBS_DEB_MAIN); |
78523daa HS |
1382 | |
1383 | if (!priv) | |
1384 | goto out; | |
1385 | ||
1386 | mesh_dev = priv->mesh_dev; | |
1387 | ||
1388 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1389 | netif_carrier_off(priv->mesh_dev); |
78523daa | 1390 | |
10078321 | 1391 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1392 | unregister_netdev(mesh_dev); |
1393 | ||
1394 | priv->mesh_dev = NULL ; | |
1395 | free_netdev(mesh_dev); | |
1396 | ||
1397 | out: | |
954ee164 | 1398 | lbs_deb_leave(LBS_DEB_MAIN); |
78523daa | 1399 | } |
10078321 | 1400 | EXPORT_SYMBOL_GPL(lbs_remove_mesh); |
78523daa | 1401 | |
876c9d3a MT |
1402 | /** |
1403 | * @brief This function finds the CFP in | |
1404 | * region_cfp_table based on region and band parameter. | |
1405 | * | |
1406 | * @param region The region code | |
1407 | * @param band The band | |
1408 | * @param cfp_no A pointer to CFP number | |
1409 | * @return A pointer to CFP | |
1410 | */ | |
10078321 | 1411 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, u8 band, int *cfp_no) |
876c9d3a MT |
1412 | { |
1413 | int i, end; | |
1414 | ||
9012b28a | 1415 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1416 | |
ff8ac609 | 1417 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1418 | |
1419 | for (i = 0; i < end ; i++) { | |
9012b28a | 1420 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1421 | region_cfp_table[i].region); |
1422 | if (region_cfp_table[i].region == region) { | |
1423 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1424 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1425 | return region_cfp_table[i].cfp_BG; |
1426 | } | |
1427 | } | |
1428 | ||
9012b28a | 1429 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1430 | return NULL; |
1431 | } | |
1432 | ||
10078321 | 1433 | int lbs_set_regiontable(lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1434 | { |
10078321 | 1435 | lbs_adapter *adapter = priv->adapter; |
9012b28a | 1436 | int ret = 0; |
876c9d3a MT |
1437 | int i = 0; |
1438 | ||
1439 | struct chan_freq_power *cfp; | |
1440 | int cfp_no; | |
1441 | ||
9012b28a | 1442 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1443 | |
1444 | memset(adapter->region_channel, 0, sizeof(adapter->region_channel)); | |
1445 | ||
1446 | { | |
10078321 | 1447 | cfp = lbs_get_region_cfp_table(region, band, &cfp_no); |
876c9d3a MT |
1448 | if (cfp != NULL) { |
1449 | adapter->region_channel[i].nrcfp = cfp_no; | |
1450 | adapter->region_channel[i].CFP = cfp; | |
1451 | } else { | |
9012b28a | 1452 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1453 | region); |
9012b28a HS |
1454 | ret = -1; |
1455 | goto out; | |
876c9d3a MT |
1456 | } |
1457 | adapter->region_channel[i].valid = 1; | |
1458 | adapter->region_channel[i].region = region; | |
1459 | adapter->region_channel[i].band = band; | |
1460 | i++; | |
1461 | } | |
9012b28a HS |
1462 | out: |
1463 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1464 | return ret; | |
876c9d3a MT |
1465 | } |
1466 | ||
1467 | /** | |
1468 | * @brief This function handles the interrupt. it will change PS | |
1469 | * state if applicable. it will wake up main_thread to handle | |
1470 | * the interrupt event as well. | |
1471 | * | |
1472 | * @param dev A pointer to net_device structure | |
1473 | * @return n/a | |
1474 | */ | |
10078321 | 1475 | void lbs_interrupt(struct net_device *dev) |
876c9d3a | 1476 | { |
10078321 | 1477 | lbs_private *priv = dev->priv; |
876c9d3a | 1478 | |
ed37b516 | 1479 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1480 | |
10078321 | 1481 | lbs_deb_thread("lbs_interrupt: intcounter=%d\n", |
876c9d3a MT |
1482 | priv->adapter->intcounter); |
1483 | ||
1484 | priv->adapter->intcounter++; | |
1485 | ||
1486 | if (priv->adapter->psstate == PS_STATE_SLEEP) { | |
1487 | priv->adapter->psstate = PS_STATE_AWAKE; | |
1488 | netif_wake_queue(dev); | |
3cf84091 HS |
1489 | if (priv->mesh_dev) |
1490 | netif_wake_queue(priv->mesh_dev); | |
876c9d3a MT |
1491 | } |
1492 | ||
fe336150 | 1493 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1494 | |
ed37b516 | 1495 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1496 | } |
10078321 | 1497 | EXPORT_SYMBOL_GPL(lbs_interrupt); |
876c9d3a | 1498 | |
10078321 | 1499 | int lbs_reset_device(lbs_private *priv) |
eedc2a31 DW |
1500 | { |
1501 | int ret; | |
1502 | ||
1503 | lbs_deb_enter(LBS_DEB_MAIN); | |
10078321 | 1504 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_RESET, |
eedc2a31 DW |
1505 | CMD_ACT_HALT, 0, 0, NULL); |
1506 | msleep_interruptible(10); | |
1507 | ||
1508 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1509 | return ret; | |
1510 | } | |
10078321 | 1511 | EXPORT_SYMBOL_GPL(lbs_reset_device); |
eedc2a31 | 1512 | |
10078321 | 1513 | static int lbs_init_module(void) |
876c9d3a | 1514 | { |
9012b28a | 1515 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1516 | lbs_debugfs_init(); |
084708b6 HS |
1517 | lbs_deb_leave(LBS_DEB_MAIN); |
1518 | return 0; | |
876c9d3a MT |
1519 | } |
1520 | ||
10078321 | 1521 | static void lbs_exit_module(void) |
876c9d3a | 1522 | { |
9012b28a | 1523 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1524 | |
10078321 | 1525 | lbs_debugfs_remove(); |
876c9d3a | 1526 | |
9012b28a | 1527 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1528 | } |
1529 | ||
965f8bbc LCC |
1530 | /* |
1531 | * rtap interface support fuctions | |
1532 | */ | |
1533 | ||
10078321 | 1534 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc LCC |
1535 | { |
1536 | netif_carrier_off(dev); | |
1537 | netif_stop_queue(dev); | |
1538 | return 0; | |
1539 | } | |
1540 | ||
10078321 | 1541 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc LCC |
1542 | { |
1543 | return 0; | |
1544 | } | |
1545 | ||
10078321 | 1546 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc LCC |
1547 | { |
1548 | netif_stop_queue(dev); | |
1549 | return -EOPNOTSUPP; | |
1550 | } | |
1551 | ||
10078321 | 1552 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1553 | { |
10078321 | 1554 | lbs_private *priv = dev->priv; |
965f8bbc LCC |
1555 | return &priv->ieee->stats; |
1556 | } | |
1557 | ||
1558 | ||
10078321 | 1559 | void lbs_remove_rtap(lbs_private *priv) |
965f8bbc LCC |
1560 | { |
1561 | if (priv->rtap_net_dev == NULL) | |
1562 | return; | |
1563 | unregister_netdev(priv->rtap_net_dev); | |
1564 | free_ieee80211(priv->rtap_net_dev); | |
1565 | priv->rtap_net_dev = NULL; | |
1566 | } | |
1567 | ||
10078321 | 1568 | int lbs_add_rtap(lbs_private *priv) |
965f8bbc LCC |
1569 | { |
1570 | int rc = 0; | |
1571 | ||
1572 | if (priv->rtap_net_dev) | |
1573 | return -EPERM; | |
1574 | ||
1575 | priv->rtap_net_dev = alloc_ieee80211(0); | |
1576 | if (priv->rtap_net_dev == NULL) | |
1577 | return -ENOMEM; | |
1578 | ||
1579 | ||
1580 | priv->ieee = netdev_priv(priv->rtap_net_dev); | |
1581 | ||
1582 | strcpy(priv->rtap_net_dev->name, "rtap%d"); | |
1583 | ||
1584 | priv->rtap_net_dev->type = ARPHRD_IEEE80211_RADIOTAP; | |
10078321 HS |
1585 | priv->rtap_net_dev->open = lbs_rtap_open; |
1586 | priv->rtap_net_dev->stop = lbs_rtap_stop; | |
1587 | priv->rtap_net_dev->get_stats = lbs_rtap_get_stats; | |
1588 | priv->rtap_net_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1589 | priv->rtap_net_dev->set_multicast_list = lbs_set_multicast_list; | |
965f8bbc LCC |
1590 | priv->rtap_net_dev->priv = priv; |
1591 | ||
1592 | priv->ieee->iw_mode = IW_MODE_MONITOR; | |
1593 | ||
1594 | rc = register_netdev(priv->rtap_net_dev); | |
1595 | if (rc) { | |
1596 | free_ieee80211(priv->rtap_net_dev); | |
1597 | priv->rtap_net_dev = NULL; | |
1598 | return rc; | |
1599 | } | |
1600 | ||
1601 | return 0; | |
1602 | } | |
1603 | ||
1604 | ||
10078321 HS |
1605 | module_init(lbs_init_module); |
1606 | module_exit(lbs_exit_module); | |
876c9d3a | 1607 | |
084708b6 | 1608 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1609 | MODULE_AUTHOR("Marvell International Ltd."); |
1610 | MODULE_LICENSE("GPL"); |