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 | ||
01d77d8d | 409 | if (adapter->connect_status == LBS_CONNECTED) |
634b8f49 | 410 | netif_carrier_on(priv->dev); |
01d77d8d | 411 | else |
634b8f49 | 412 | netif_carrier_off(priv->dev); |
01d77d8d BD |
413 | |
414 | if (priv->mesh_dev) { | |
415 | if (adapter->mesh_connect_status == LBS_CONNECTED) | |
416 | netif_carrier_on(priv->mesh_dev); | |
417 | else | |
3cf84091 | 418 | netif_carrier_off(priv->mesh_dev); |
51d84f50 | 419 | } |
876c9d3a | 420 | |
9012b28a | 421 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
422 | return 0; |
423 | } | |
424 | /** | |
425 | * @brief This function opens the mshX interface | |
426 | * | |
427 | * @param dev A pointer to net_device structure | |
428 | * @return 0 | |
429 | */ | |
10078321 | 430 | static int lbs_mesh_open(struct net_device *dev) |
876c9d3a | 431 | { |
10078321 | 432 | lbs_private *priv = (lbs_private *) dev->priv ; |
876c9d3a | 433 | |
78523daa | 434 | if (pre_open_check(dev) == -1) |
876c9d3a MT |
435 | return -1; |
436 | priv->mesh_open = 1 ; | |
51d84f50 | 437 | netif_wake_queue(priv->mesh_dev); |
01d77d8d BD |
438 | |
439 | priv->adapter->mesh_connect_status = LBS_CONNECTED; | |
440 | ||
441 | netif_carrier_on(priv->mesh_dev); | |
442 | netif_wake_queue(priv->mesh_dev); | |
876c9d3a | 443 | if (priv->infra_open == 0) |
10078321 | 444 | return lbs_dev_open(priv->dev) ; |
876c9d3a MT |
445 | return 0; |
446 | } | |
447 | ||
448 | /** | |
449 | * @brief This function opens the ethX interface | |
450 | * | |
451 | * @param dev A pointer to net_device structure | |
452 | * @return 0 | |
453 | */ | |
10078321 | 454 | static int lbs_open(struct net_device *dev) |
876c9d3a | 455 | { |
10078321 | 456 | lbs_private *priv = (lbs_private *) dev->priv ; |
876c9d3a MT |
457 | |
458 | if(pre_open_check(dev) == -1) | |
459 | return -1; | |
460 | priv->infra_open = 1 ; | |
634b8f49 | 461 | netif_wake_queue(priv->dev); |
876c9d3a | 462 | if (priv->open == 0) |
10078321 | 463 | return lbs_dev_open(priv->dev) ; |
876c9d3a MT |
464 | return 0; |
465 | } | |
466 | ||
10078321 | 467 | static int lbs_dev_close(struct net_device *dev) |
876c9d3a | 468 | { |
10078321 | 469 | lbs_private *priv = dev->priv; |
876c9d3a | 470 | |
9012b28a | 471 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 472 | |
634b8f49 | 473 | netif_carrier_off(priv->dev); |
876c9d3a MT |
474 | priv->open = 0; |
475 | ||
9012b28a | 476 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
477 | return 0; |
478 | } | |
479 | ||
480 | /** | |
481 | * @brief This function closes the mshX interface | |
482 | * | |
483 | * @param dev A pointer to net_device structure | |
484 | * @return 0 | |
485 | */ | |
10078321 | 486 | static int lbs_mesh_close(struct net_device *dev) |
876c9d3a | 487 | { |
10078321 | 488 | lbs_private *priv = (lbs_private *) (dev->priv); |
876c9d3a MT |
489 | |
490 | priv->mesh_open = 0; | |
491 | netif_stop_queue(priv->mesh_dev); | |
492 | if (priv->infra_open == 0) | |
10078321 | 493 | return lbs_dev_close(dev); |
876c9d3a MT |
494 | else |
495 | return 0; | |
496 | } | |
497 | ||
498 | /** | |
499 | * @brief This function closes the ethX interface | |
500 | * | |
501 | * @param dev A pointer to net_device structure | |
502 | * @return 0 | |
503 | */ | |
10078321 | 504 | static int lbs_close(struct net_device *dev) |
78523daa | 505 | { |
10078321 | 506 | lbs_private *priv = (lbs_private *) dev->priv; |
876c9d3a | 507 | |
634b8f49 | 508 | netif_stop_queue(dev); |
876c9d3a MT |
509 | priv->infra_open = 0; |
510 | if (priv->mesh_open == 0) | |
10078321 | 511 | return lbs_dev_close(dev); |
876c9d3a MT |
512 | else |
513 | return 0; | |
514 | } | |
515 | ||
516 | ||
10078321 | 517 | static int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
876c9d3a MT |
518 | { |
519 | int ret = 0; | |
10078321 | 520 | lbs_private *priv = dev->priv; |
876c9d3a | 521 | |
9012b28a | 522 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 523 | |
634b8f49 | 524 | if (priv->dnld_sent || priv->adapter->TxLockFlag) { |
876c9d3a MT |
525 | priv->stats.tx_dropped++; |
526 | goto done; | |
527 | } | |
528 | ||
634b8f49 | 529 | netif_stop_queue(priv->dev); |
3cf84091 HS |
530 | if (priv->mesh_dev) |
531 | netif_stop_queue(priv->mesh_dev); | |
876c9d3a | 532 | |
10078321 | 533 | if (lbs_process_tx(priv, skb) == 0) |
876c9d3a MT |
534 | dev->trans_start = jiffies; |
535 | done: | |
9012b28a | 536 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
537 | return ret; |
538 | } | |
539 | ||
540 | /** | |
10078321 | 541 | * @brief Mark mesh packets and handover them to lbs_hard_start_xmit |
876c9d3a MT |
542 | * |
543 | */ | |
10078321 | 544 | static int lbs_mesh_pre_start_xmit(struct sk_buff *skb, |
e5241472 | 545 | struct net_device *dev) |
876c9d3a | 546 | { |
10078321 | 547 | lbs_private *priv = dev->priv; |
9012b28a HS |
548 | int ret; |
549 | ||
550 | lbs_deb_enter(LBS_DEB_MESH); | |
10078321 | 551 | if (priv->adapter->monitormode != LBS_MONITOR_OFF) { |
965f8bbc LCC |
552 | netif_stop_queue(dev); |
553 | return -EOPNOTSUPP; | |
554 | } | |
9012b28a | 555 | |
876c9d3a | 556 | SET_MESH_FRAME(skb); |
876c9d3a | 557 | |
01d77d8d | 558 | ret = lbs_hard_start_xmit(skb, priv->mesh_dev); |
9012b28a HS |
559 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); |
560 | return ret; | |
876c9d3a MT |
561 | } |
562 | ||
563 | /** | |
10078321 | 564 | * @brief Mark non-mesh packets and handover them to lbs_hard_start_xmit |
876c9d3a MT |
565 | * |
566 | */ | |
10078321 | 567 | static int lbs_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) |
9012b28a | 568 | { |
10078321 | 569 | lbs_private *priv = dev->priv; |
9012b28a HS |
570 | int ret; |
571 | ||
572 | lbs_deb_enter(LBS_DEB_NET); | |
573 | ||
10078321 | 574 | if (priv->adapter->monitormode != LBS_MONITOR_OFF) { |
965f8bbc LCC |
575 | netif_stop_queue(dev); |
576 | return -EOPNOTSUPP; | |
577 | } | |
578 | ||
876c9d3a | 579 | UNSET_MESH_FRAME(skb); |
9012b28a | 580 | |
10078321 | 581 | ret = lbs_hard_start_xmit(skb, dev); |
9012b28a HS |
582 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
583 | return ret; | |
876c9d3a MT |
584 | } |
585 | ||
10078321 | 586 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 587 | { |
10078321 | 588 | lbs_private *priv = (lbs_private *) dev->priv; |
876c9d3a | 589 | |
9012b28a | 590 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 591 | |
9012b28a | 592 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 593 | |
634b8f49 | 594 | priv->dnld_sent = DNLD_RES_RECEIVED; |
876c9d3a MT |
595 | dev->trans_start = jiffies; |
596 | ||
597 | if (priv->adapter->currenttxskb) { | |
10078321 | 598 | if (priv->adapter->monitormode != LBS_MONITOR_OFF) { |
876c9d3a MT |
599 | /* If we are here, we have not received feedback from |
600 | the previous packet. Assume TX_FAIL and move on. */ | |
601 | priv->adapter->eventcause = 0x01000000; | |
10078321 | 602 | lbs_send_tx_feedback(priv); |
876c9d3a | 603 | } else |
fe336150 | 604 | wake_up_interruptible(&priv->waitq); |
01d77d8d BD |
605 | } else if (dev == priv->dev) { |
606 | if (priv->adapter->connect_status == LBS_CONNECTED) | |
607 | netif_wake_queue(priv->dev); | |
608 | ||
609 | } else if (dev == priv->mesh_dev) { | |
610 | if (priv->adapter->mesh_connect_status == LBS_CONNECTED) | |
3cf84091 | 611 | netif_wake_queue(priv->mesh_dev); |
51d84f50 | 612 | } |
876c9d3a | 613 | |
9012b28a | 614 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
615 | } |
616 | ||
617 | /** | |
618 | * @brief This function returns the network statistics | |
619 | * | |
10078321 | 620 | * @param dev A pointer to lbs_private structure |
876c9d3a MT |
621 | * @return A pointer to net_device_stats structure |
622 | */ | |
10078321 | 623 | static struct net_device_stats *lbs_get_stats(struct net_device *dev) |
876c9d3a | 624 | { |
10078321 | 625 | lbs_private *priv = (lbs_private *) dev->priv; |
876c9d3a MT |
626 | |
627 | return &priv->stats; | |
628 | } | |
629 | ||
10078321 | 630 | static int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
631 | { |
632 | int ret = 0; | |
10078321 HS |
633 | lbs_private *priv = (lbs_private *) dev->priv; |
634 | lbs_adapter *adapter = priv->adapter; | |
876c9d3a MT |
635 | struct sockaddr *phwaddr = addr; |
636 | ||
9012b28a | 637 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 638 | |
0a0d08ac LCCR |
639 | /* In case it was called from the mesh device */ |
640 | dev = priv->dev ; | |
641 | ||
876c9d3a MT |
642 | memset(adapter->current_addr, 0, ETH_ALEN); |
643 | ||
644 | /* dev->dev_addr is 8 bytes */ | |
ece56191 | 645 | lbs_deb_hex(LBS_DEB_NET, "dev->dev_addr", dev->dev_addr, ETH_ALEN); |
876c9d3a | 646 | |
ece56191 | 647 | lbs_deb_hex(LBS_DEB_NET, "addr", phwaddr->sa_data, ETH_ALEN); |
876c9d3a MT |
648 | memcpy(adapter->current_addr, phwaddr->sa_data, ETH_ALEN); |
649 | ||
10078321 | 650 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS, |
0aef64d7 DW |
651 | CMD_ACT_SET, |
652 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
876c9d3a MT |
653 | |
654 | if (ret) { | |
9012b28a | 655 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
656 | ret = -1; |
657 | goto done; | |
658 | } | |
659 | ||
ece56191 | 660 | lbs_deb_hex(LBS_DEB_NET, "adapter->macaddr", adapter->current_addr, ETH_ALEN); |
876c9d3a | 661 | memcpy(dev->dev_addr, adapter->current_addr, ETH_ALEN); |
78523daa HS |
662 | if (priv->mesh_dev) |
663 | memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
876c9d3a MT |
664 | |
665 | done: | |
9012b28a | 666 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
667 | return ret; |
668 | } | |
669 | ||
10078321 | 670 | static int lbs_copy_multicast_address(lbs_adapter *adapter, |
876c9d3a MT |
671 | struct net_device *dev) |
672 | { | |
673 | int i = 0; | |
674 | struct dev_mc_list *mcptr = dev->mc_list; | |
675 | ||
676 | for (i = 0; i < dev->mc_count; i++) { | |
677 | memcpy(&adapter->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); | |
678 | mcptr = mcptr->next; | |
679 | } | |
680 | ||
681 | return i; | |
682 | ||
683 | } | |
684 | ||
10078321 | 685 | static void lbs_set_multicast_list(struct net_device *dev) |
876c9d3a | 686 | { |
10078321 HS |
687 | lbs_private *priv = dev->priv; |
688 | lbs_adapter *adapter = priv->adapter; | |
876c9d3a | 689 | int oldpacketfilter; |
0795af57 | 690 | DECLARE_MAC_BUF(mac); |
876c9d3a | 691 | |
9012b28a | 692 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
693 | |
694 | oldpacketfilter = adapter->currentpacketfilter; | |
695 | ||
696 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 697 | lbs_deb_net("enable promiscuous mode\n"); |
876c9d3a | 698 | adapter->currentpacketfilter |= |
0aef64d7 | 699 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a | 700 | adapter->currentpacketfilter &= |
0aef64d7 DW |
701 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
702 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
703 | } else { |
704 | /* Multicast */ | |
705 | adapter->currentpacketfilter &= | |
0aef64d7 | 706 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
707 | |
708 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
709 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 710 | lbs_deb_net( "enabling all multicast\n"); |
876c9d3a | 711 | adapter->currentpacketfilter |= |
0aef64d7 | 712 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a | 713 | adapter->currentpacketfilter &= |
0aef64d7 | 714 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
715 | } else { |
716 | adapter->currentpacketfilter &= | |
0aef64d7 | 717 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
718 | |
719 | if (!dev->mc_count) { | |
9012b28a HS |
720 | lbs_deb_net("no multicast addresses, " |
721 | "disabling multicast\n"); | |
876c9d3a | 722 | adapter->currentpacketfilter &= |
0aef64d7 | 723 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
724 | } else { |
725 | int i; | |
726 | ||
727 | adapter->currentpacketfilter |= | |
0aef64d7 | 728 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
729 | |
730 | adapter->nr_of_multicastmacaddr = | |
10078321 | 731 | lbs_copy_multicast_address(adapter, dev); |
876c9d3a | 732 | |
9012b28a | 733 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
734 | dev->mc_count); |
735 | ||
736 | for (i = 0; i < dev->mc_count; i++) { | |
0795af57 JP |
737 | lbs_deb_net("Multicast address %d:%s\n", |
738 | i, print_mac(mac, | |
739 | adapter->multicastlist[i])); | |
876c9d3a | 740 | } |
9012b28a | 741 | /* send multicast addresses to firmware */ |
10078321 | 742 | lbs_prepare_and_send_command(priv, |
0aef64d7 DW |
743 | CMD_MAC_MULTICAST_ADR, |
744 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
745 | NULL); |
746 | } | |
747 | } | |
748 | } | |
749 | ||
750 | if (adapter->currentpacketfilter != oldpacketfilter) { | |
10078321 | 751 | lbs_set_mac_packet_filter(priv); |
876c9d3a MT |
752 | } |
753 | ||
9012b28a | 754 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
755 | } |
756 | ||
757 | /** | |
10078321 | 758 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
759 | * It handles all events generated by firmware, RX data received |
760 | * from firmware and TX data sent from kernel. | |
876c9d3a | 761 | * |
10078321 | 762 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
763 | * @return 0 |
764 | */ | |
10078321 | 765 | static int lbs_thread(void *data) |
876c9d3a | 766 | { |
fe336150 | 767 | struct net_device *dev = data; |
10078321 HS |
768 | lbs_private *priv = dev->priv; |
769 | lbs_adapter *adapter = priv->adapter; | |
876c9d3a MT |
770 | wait_queue_t wait; |
771 | u8 ireg = 0; | |
772 | ||
9012b28a | 773 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 774 | |
876c9d3a MT |
775 | init_waitqueue_entry(&wait, current); |
776 | ||
b1b1907d | 777 | set_freezable(); |
876c9d3a | 778 | for (;;) { |
9012b28a | 779 | lbs_deb_thread( "main-thread 111: intcounter=%d " |
876c9d3a MT |
780 | "currenttxskb=%p dnld_sent=%d\n", |
781 | adapter->intcounter, | |
634b8f49 | 782 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a | 783 | |
fe336150 | 784 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
785 | set_current_state(TASK_INTERRUPTIBLE); |
786 | spin_lock_irq(&adapter->driver_lock); | |
787 | if ((adapter->psstate == PS_STATE_SLEEP) || | |
788 | (!adapter->intcounter | |
634b8f49 | 789 | && (priv->dnld_sent || adapter->cur_cmd || |
876c9d3a | 790 | list_empty(&adapter->cmdpendingq)))) { |
9012b28a | 791 | lbs_deb_thread( |
876c9d3a MT |
792 | "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
793 | adapter->connect_status, adapter->intcounter, | |
794 | adapter->psmode, adapter->psstate); | |
795 | spin_unlock_irq(&adapter->driver_lock); | |
796 | schedule(); | |
797 | } else | |
798 | spin_unlock_irq(&adapter->driver_lock); | |
799 | ||
9012b28a | 800 | lbs_deb_thread( |
876c9d3a MT |
801 | "main-thread 222 (waking up): intcounter=%d currenttxskb=%p " |
802 | "dnld_sent=%d\n", adapter->intcounter, | |
634b8f49 | 803 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
804 | |
805 | set_current_state(TASK_RUNNING); | |
fe336150 | 806 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
807 | try_to_freeze(); |
808 | ||
9012b28a | 809 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
810 | "dnld_sent=%d\n", |
811 | adapter->intcounter, | |
634b8f49 | 812 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
813 | |
814 | if (kthread_should_stop() | |
815 | || adapter->surpriseremoved) { | |
9012b28a | 816 | lbs_deb_thread( |
876c9d3a MT |
817 | "main-thread: break from main thread: surpriseremoved=0x%x\n", |
818 | adapter->surpriseremoved); | |
819 | break; | |
820 | } | |
821 | ||
822 | ||
823 | spin_lock_irq(&adapter->driver_lock); | |
824 | if (adapter->intcounter) { | |
825 | u8 int_status; | |
826 | adapter->intcounter = 0; | |
208fdd2f | 827 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
828 | |
829 | if (int_status) { | |
9012b28a | 830 | lbs_deb_thread( |
876c9d3a MT |
831 | "main-thread: reading HOST_INT_STATUS_REG failed\n"); |
832 | spin_unlock_irq(&adapter->driver_lock); | |
833 | continue; | |
834 | } | |
835 | adapter->hisregcpy |= ireg; | |
836 | } | |
837 | ||
9012b28a | 838 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
839 | "dnld_sent=%d\n", |
840 | adapter->intcounter, | |
634b8f49 | 841 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
842 | |
843 | /* command response? */ | |
c95c7f93 | 844 | if (adapter->hisregcpy & MRVDRV_CMD_UPLD_RDY) { |
9012b28a | 845 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a | 846 | |
c95c7f93 | 847 | adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a | 848 | spin_unlock_irq(&adapter->driver_lock); |
10078321 | 849 | lbs_process_rx_command(priv); |
876c9d3a MT |
850 | spin_lock_irq(&adapter->driver_lock); |
851 | } | |
852 | ||
853 | /* Any Card Event */ | |
c95c7f93 | 854 | if (adapter->hisregcpy & MRVDRV_CARDEVENT) { |
9012b28a | 855 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a | 856 | |
c95c7f93 | 857 | adapter->hisregcpy &= ~MRVDRV_CARDEVENT; |
876c9d3a | 858 | |
208fdd2f | 859 | if (priv->hw_read_event_cause(priv)) { |
876c9d3a | 860 | lbs_pr_alert( |
208fdd2f | 861 | "main-thread: hw_read_event_cause failed\n"); |
876c9d3a MT |
862 | spin_unlock_irq(&adapter->driver_lock); |
863 | continue; | |
864 | } | |
865 | spin_unlock_irq(&adapter->driver_lock); | |
10078321 | 866 | lbs_process_event(priv); |
876c9d3a MT |
867 | } else |
868 | spin_unlock_irq(&adapter->driver_lock); | |
869 | ||
870 | /* Check if we need to confirm Sleep Request received previously */ | |
871 | if (adapter->psstate == PS_STATE_PRE_SLEEP) { | |
634b8f49 | 872 | if (!priv->dnld_sent && !adapter->cur_cmd) { |
876c9d3a | 873 | if (adapter->connect_status == |
10078321 | 874 | LBS_CONNECTED) { |
9012b28a | 875 | lbs_deb_thread( |
876c9d3a MT |
876 | "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p " |
877 | "dnld_sent=%d cur_cmd=%p, confirm now\n", | |
878 | adapter->intcounter, | |
879 | adapter->currenttxskb, | |
634b8f49 | 880 | priv->dnld_sent, |
876c9d3a MT |
881 | adapter->cur_cmd); |
882 | ||
10078321 | 883 | lbs_ps_confirm_sleep(priv, |
876c9d3a MT |
884 | (u16) adapter->psmode); |
885 | } else { | |
886 | /* workaround for firmware sending | |
887 | * deauth/linkloss event immediately | |
888 | * after sleep request, remove this | |
889 | * after firmware fixes it | |
890 | */ | |
891 | adapter->psstate = PS_STATE_AWAKE; | |
892 | lbs_pr_alert( | |
893 | "main-thread: ignore PS_SleepConfirm in non-connected state\n"); | |
894 | } | |
895 | } | |
896 | } | |
897 | ||
898 | /* The PS state is changed during processing of Sleep Request | |
899 | * event above | |
900 | */ | |
901 | if ((priv->adapter->psstate == PS_STATE_SLEEP) || | |
902 | (priv->adapter->psstate == PS_STATE_PRE_SLEEP)) | |
903 | continue; | |
904 | ||
905 | /* Execute the next command */ | |
634b8f49 | 906 | if (!priv->dnld_sent && !priv->adapter->cur_cmd) |
10078321 | 907 | lbs_execute_next_command(priv); |
876c9d3a MT |
908 | |
909 | /* Wake-up command waiters which can't sleep in | |
10078321 | 910 | * lbs_prepare_and_send_command |
876c9d3a MT |
911 | */ |
912 | if (!adapter->nr_cmd_pending) | |
913 | wake_up_all(&adapter->cmd_pending); | |
914 | ||
10078321 | 915 | lbs_tx_runqueue(priv); |
876c9d3a MT |
916 | } |
917 | ||
918 | del_timer(&adapter->command_timer); | |
919 | adapter->nr_cmd_pending = 0; | |
920 | wake_up_all(&adapter->cmd_pending); | |
876c9d3a | 921 | |
9012b28a | 922 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
923 | return 0; |
924 | } | |
925 | ||
1df4e8fe HS |
926 | /** |
927 | * @brief This function downloads firmware image, gets | |
928 | * HW spec from firmware and set basic parameters to | |
929 | * firmware. | |
930 | * | |
10078321 | 931 | * @param priv A pointer to lbs_private structure |
1df4e8fe HS |
932 | * @return 0 or -1 |
933 | */ | |
10078321 | 934 | static int lbs_setup_firmware(lbs_private *priv) |
1df4e8fe HS |
935 | { |
936 | int ret = -1; | |
10078321 | 937 | lbs_adapter *adapter = priv->adapter; |
d21b31fd | 938 | struct cmd_ds_mesh_access mesh_access; |
1df4e8fe HS |
939 | |
940 | lbs_deb_enter(LBS_DEB_FW); | |
941 | ||
1df4e8fe HS |
942 | /* |
943 | * Read MAC address from HW | |
944 | */ | |
945 | memset(adapter->current_addr, 0xff, ETH_ALEN); | |
946 | ||
10078321 | 947 | ret = lbs_prepare_and_send_command(priv, CMD_GET_HW_SPEC, |
1df4e8fe HS |
948 | 0, CMD_OPTION_WAITFORRSP, 0, NULL); |
949 | ||
950 | if (ret) { | |
951 | ret = -1; | |
952 | goto done; | |
953 | } | |
954 | ||
10078321 | 955 | lbs_set_mac_packet_filter(priv); |
1df4e8fe HS |
956 | |
957 | /* Get the supported Data rates */ | |
10078321 | 958 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_DATA_RATE, |
1df4e8fe HS |
959 | CMD_ACT_GET_TX_RATE, |
960 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
961 | ||
962 | if (ret) { | |
963 | ret = -1; | |
964 | goto done; | |
965 | } | |
966 | ||
d21b31fd LCC |
967 | /* Disable mesh autostart */ |
968 | if (priv->mesh_dev) { | |
969 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
970 | mesh_access.data[0] = cpu_to_le32(0); | |
10078321 | 971 | ret = lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
972 | CMD_MESH_ACCESS, |
973 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
974 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
975 | if (ret) { | |
976 | ret = -1; | |
977 | goto done; | |
978 | } | |
979 | priv->mesh_autostart_enabled = 0; | |
980 | } | |
981 | ||
63f0023b | 982 | /* Set the boot2 version in firmware */ |
10078321 | 983 | ret = lbs_prepare_and_send_command(priv, CMD_SET_BOOT2_VER, |
63f0023b LCC |
984 | 0, CMD_OPTION_WAITFORRSP, 0, NULL); |
985 | ||
1df4e8fe HS |
986 | ret = 0; |
987 | done: | |
988 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
989 | return ret; | |
990 | } | |
991 | ||
1df4e8fe HS |
992 | /** |
993 | * This function handles the timeout of command sending. | |
994 | * It will re-send the same command again. | |
995 | */ | |
996 | static void command_timer_fn(unsigned long data) | |
997 | { | |
10078321 HS |
998 | lbs_private *priv = (lbs_private *)data; |
999 | lbs_adapter *adapter = priv->adapter; | |
1df4e8fe HS |
1000 | struct cmd_ctrl_node *ptempnode; |
1001 | struct cmd_ds_command *cmd; | |
1002 | unsigned long flags; | |
1003 | ||
1004 | ptempnode = adapter->cur_cmd; | |
1005 | if (ptempnode == NULL) { | |
1006 | lbs_deb_fw("ptempnode empty\n"); | |
1007 | return; | |
1008 | } | |
1009 | ||
1010 | cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr; | |
1011 | if (!cmd) { | |
1012 | lbs_deb_fw("cmd is NULL\n"); | |
1013 | return; | |
1014 | } | |
1015 | ||
1016 | lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command); | |
1017 | ||
1018 | if (!adapter->fw_ready) | |
1019 | return; | |
1020 | ||
1021 | spin_lock_irqsave(&adapter->driver_lock, flags); | |
1022 | adapter->cur_cmd = NULL; | |
1023 | spin_unlock_irqrestore(&adapter->driver_lock, flags); | |
1024 | ||
1025 | lbs_deb_fw("re-sending same command because of timeout\n"); | |
10078321 | 1026 | lbs_queue_cmd(adapter, ptempnode, 0); |
1df4e8fe HS |
1027 | |
1028 | wake_up_interruptible(&priv->waitq); | |
1029 | ||
1030 | return; | |
1031 | } | |
1032 | ||
10078321 | 1033 | static int lbs_init_adapter(lbs_private *priv) |
ac558ca2 | 1034 | { |
10078321 | 1035 | lbs_adapter *adapter = priv->adapter; |
1df4e8fe | 1036 | size_t bufsize; |
954ee164 | 1037 | int i, ret = 0; |
1df4e8fe HS |
1038 | |
1039 | /* Allocate buffer to store the BSSID list */ | |
1040 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
1041 | adapter->networks = kzalloc(bufsize, GFP_KERNEL); | |
1042 | if (!adapter->networks) { | |
1043 | lbs_pr_err("Out of memory allocating beacons\n"); | |
954ee164 DW |
1044 | ret = -1; |
1045 | goto out; | |
1df4e8fe HS |
1046 | } |
1047 | ||
954ee164 DW |
1048 | /* Initialize scan result lists */ |
1049 | INIT_LIST_HEAD(&adapter->network_free_list); | |
1050 | INIT_LIST_HEAD(&adapter->network_list); | |
1051 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { | |
1052 | list_add_tail(&adapter->networks[i].list, | |
1053 | &adapter->network_free_list); | |
1054 | } | |
1df4e8fe | 1055 | |
10078321 HS |
1056 | adapter->lbs_ps_confirm_sleep.seqnum = cpu_to_le16(++adapter->seqnum); |
1057 | adapter->lbs_ps_confirm_sleep.command = | |
1df4e8fe | 1058 | cpu_to_le16(CMD_802_11_PS_MODE); |
10078321 | 1059 | adapter->lbs_ps_confirm_sleep.size = |
1df4e8fe | 1060 | cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep)); |
10078321 | 1061 | adapter->lbs_ps_confirm_sleep.action = |
1df4e8fe HS |
1062 | cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); |
1063 | ||
1df4e8fe HS |
1064 | memset(adapter->current_addr, 0xff, ETH_ALEN); |
1065 | ||
10078321 | 1066 | adapter->connect_status = LBS_DISCONNECTED; |
01d77d8d | 1067 | adapter->mesh_connect_status = LBS_DISCONNECTED; |
1df4e8fe HS |
1068 | adapter->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
1069 | adapter->mode = IW_MODE_INFRA; | |
1df4e8fe | 1070 | adapter->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; |
954ee164 | 1071 | adapter->currentpacketfilter = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
1df4e8fe | 1072 | adapter->radioon = RADIO_ON; |
1df4e8fe | 1073 | adapter->auto_rate = 1; |
1df4e8fe | 1074 | adapter->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; |
10078321 | 1075 | adapter->psmode = LBS802_11POWERMODECAM; |
1df4e8fe | 1076 | adapter->psstate = PS_STATE_FULL_POWER; |
1df4e8fe | 1077 | |
954ee164 | 1078 | mutex_init(&adapter->lock); |
1df4e8fe HS |
1079 | |
1080 | memset(&adapter->tx_queue_ps, 0, NR_TX_QUEUE*sizeof(struct sk_buff*)); | |
1081 | adapter->tx_queue_idx = 0; | |
1082 | spin_lock_init(&adapter->txqueue_lock); | |
1083 | ||
954ee164 DW |
1084 | setup_timer(&adapter->command_timer, command_timer_fn, |
1085 | (unsigned long)priv); | |
1df4e8fe | 1086 | |
954ee164 DW |
1087 | INIT_LIST_HEAD(&adapter->cmdfreeq); |
1088 | INIT_LIST_HEAD(&adapter->cmdpendingq); | |
1df4e8fe | 1089 | |
954ee164 DW |
1090 | spin_lock_init(&adapter->driver_lock); |
1091 | init_waitqueue_head(&adapter->cmd_pending); | |
1092 | adapter->nr_cmd_pending = 0; | |
1df4e8fe | 1093 | |
954ee164 | 1094 | /* Allocate the command buffers */ |
10078321 | 1095 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 DW |
1096 | lbs_pr_err("Out of memory allocating command buffers\n"); |
1097 | ret = -1; | |
1098 | } | |
1df4e8fe | 1099 | |
954ee164 DW |
1100 | out: |
1101 | return ret; | |
1102 | } | |
1df4e8fe | 1103 | |
10078321 | 1104 | static void lbs_free_adapter(lbs_private *priv) |
954ee164 | 1105 | { |
10078321 | 1106 | lbs_adapter *adapter = priv->adapter; |
1df4e8fe | 1107 | |
954ee164 DW |
1108 | if (!adapter) { |
1109 | lbs_deb_fw("why double free adapter?\n"); | |
1110 | return; | |
1df4e8fe HS |
1111 | } |
1112 | ||
954ee164 | 1113 | lbs_deb_fw("free command buffer\n"); |
10078321 | 1114 | lbs_free_cmd_buffer(priv); |
1df4e8fe | 1115 | |
954ee164 DW |
1116 | lbs_deb_fw("free command_timer\n"); |
1117 | del_timer(&adapter->command_timer); | |
1118 | ||
1119 | lbs_deb_fw("free scan results table\n"); | |
1120 | kfree(adapter->networks); | |
1121 | adapter->networks = NULL; | |
1122 | ||
1123 | /* Free the adapter object itself */ | |
1124 | lbs_deb_fw("free adapter\n"); | |
1125 | kfree(adapter); | |
1126 | priv->adapter = NULL; | |
1df4e8fe HS |
1127 | } |
1128 | ||
876c9d3a MT |
1129 | /** |
1130 | * @brief This function adds the card. it will probe the | |
10078321 | 1131 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1132 | * |
1133 | * @param card A pointer to card | |
10078321 | 1134 | * @return A pointer to lbs_private structure |
876c9d3a | 1135 | */ |
10078321 | 1136 | lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1137 | { |
1138 | struct net_device *dev = NULL; | |
10078321 | 1139 | lbs_private *priv = NULL; |
876c9d3a | 1140 | |
9012b28a | 1141 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
1142 | |
1143 | /* Allocate an Ethernet device and register it */ | |
10078321 | 1144 | if (!(dev = alloc_etherdev(sizeof(lbs_private)))) { |
9012b28a | 1145 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1146 | goto done; |
876c9d3a | 1147 | } |
64f104e8 | 1148 | priv = dev->priv; |
876c9d3a | 1149 | |
10078321 HS |
1150 | /* allocate buffer for lbs_adapter */ |
1151 | if (!(priv->adapter = kzalloc(sizeof(lbs_adapter), GFP_KERNEL))) { | |
1152 | lbs_pr_err("allocate buffer for lbs_adapter failed\n"); | |
fb3dddf2 | 1153 | goto err_kzalloc; |
876c9d3a MT |
1154 | } |
1155 | ||
10078321 | 1156 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1157 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1158 | goto err_init_adapter; | |
1159 | } | |
1160 | ||
634b8f49 HS |
1161 | priv->dev = dev; |
1162 | priv->card = card; | |
876c9d3a MT |
1163 | priv->mesh_open = 0; |
1164 | priv->infra_open = 0; | |
954ee164 | 1165 | priv->hotplug_device = dmdev; |
876c9d3a | 1166 | |
876c9d3a | 1167 | /* Setup the OS Interface to our functions */ |
10078321 HS |
1168 | dev->open = lbs_open; |
1169 | dev->hard_start_xmit = lbs_pre_start_xmit; | |
1170 | dev->stop = lbs_close; | |
1171 | dev->set_mac_address = lbs_set_mac_address; | |
1172 | dev->tx_timeout = lbs_tx_timeout; | |
1173 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1174 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1175 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1176 | #ifdef WIRELESS_EXT |
10078321 | 1177 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1178 | #endif |
876c9d3a | 1179 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1180 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1181 | |
7732ca45 DW |
1182 | SET_NETDEV_DEV(dev, dmdev); |
1183 | ||
965f8bbc | 1184 | priv->rtap_net_dev = NULL; |
10078321 | 1185 | if (device_create_file(dmdev, &dev_attr_lbs_rtap)) |
954ee164 DW |
1186 | goto err_init_adapter; |
1187 | ||
1188 | lbs_deb_thread("Starting main thread...\n"); | |
1189 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1190 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1191 | if (IS_ERR(priv->main_thread)) { |
1192 | lbs_deb_thread("Error creating main thread.\n"); | |
1193 | goto err_kthread_run; | |
1194 | } | |
1195 | ||
10078321 HS |
1196 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1197 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1198 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
1199 | INIT_WORK(&priv->sync_channel, lbs_sync_channel); | |
954ee164 | 1200 | |
32a74b7c HS |
1201 | goto done; |
1202 | ||
954ee164 | 1203 | err_kthread_run: |
10078321 | 1204 | device_remove_file(dmdev, &dev_attr_lbs_rtap); |
954ee164 DW |
1205 | |
1206 | err_init_adapter: | |
10078321 | 1207 | lbs_free_adapter(priv); |
954ee164 | 1208 | |
32a74b7c HS |
1209 | err_kzalloc: |
1210 | free_netdev(dev); | |
6a812157 | 1211 | priv = NULL; |
954ee164 | 1212 | |
32a74b7c HS |
1213 | done: |
1214 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
1215 | return priv; | |
1216 | } | |
10078321 | 1217 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1218 | |
954ee164 | 1219 | |
10078321 | 1220 | int lbs_remove_card(lbs_private *priv) |
32a74b7c | 1221 | { |
10078321 | 1222 | lbs_adapter *adapter = priv->adapter; |
634b8f49 | 1223 | struct net_device *dev = priv->dev; |
954ee164 | 1224 | union iwreq_data wrqu; |
32a74b7c HS |
1225 | |
1226 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1227 | |
10078321 | 1228 | lbs_remove_rtap(priv); |
876c9d3a | 1229 | |
954ee164 | 1230 | dev = priv->dev; |
10078321 | 1231 | device_remove_file(priv->hotplug_device, &dev_attr_lbs_rtap); |
2afc0c5d | 1232 | |
954ee164 DW |
1233 | cancel_delayed_work(&priv->scan_work); |
1234 | cancel_delayed_work(&priv->assoc_work); | |
1235 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1236 | |
10078321 HS |
1237 | if (adapter->psmode == LBS802_11POWERMODEMAX_PSP) { |
1238 | adapter->psmode = LBS802_11POWERMODECAM; | |
1239 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); | |
876c9d3a MT |
1240 | } |
1241 | ||
954ee164 DW |
1242 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1243 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1244 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1245 | ||
1246 | /* Stop the thread servicing the interrupts */ | |
1247 | adapter->surpriseremoved = 1; | |
1248 | kthread_stop(priv->main_thread); | |
1249 | ||
10078321 | 1250 | lbs_free_adapter(priv); |
954ee164 DW |
1251 | |
1252 | priv->dev = NULL; | |
1253 | free_netdev(dev); | |
1254 | ||
1255 | lbs_deb_leave(LBS_DEB_MAIN); | |
1256 | return 0; | |
1257 | } | |
10078321 | 1258 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1259 | |
1260 | ||
10078321 | 1261 | int lbs_start_card(lbs_private *priv) |
954ee164 DW |
1262 | { |
1263 | struct net_device *dev = priv->dev; | |
1264 | int ret = -1; | |
1265 | ||
1266 | lbs_deb_enter(LBS_DEB_MAIN); | |
1267 | ||
1268 | /* poke the firmware */ | |
10078321 | 1269 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1270 | if (ret) |
1271 | goto done; | |
1272 | ||
1273 | /* init 802.11d */ | |
10078321 | 1274 | lbs_init_11d(priv); |
876c9d3a MT |
1275 | |
1276 | if (register_netdev(dev)) { | |
9012b28a | 1277 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1278 | goto done; |
876c9d3a MT |
1279 | } |
1280 | ||
10078321 | 1281 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1282 | |
954ee164 DW |
1283 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1284 | ||
32a74b7c | 1285 | ret = 0; |
876c9d3a | 1286 | |
32a74b7c | 1287 | done: |
954ee164 DW |
1288 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1289 | return ret; | |
1290 | } | |
10078321 | 1291 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1292 | |
1293 | ||
10078321 | 1294 | int lbs_stop_card(lbs_private *priv) |
954ee164 DW |
1295 | { |
1296 | struct net_device *dev = priv->dev; | |
1297 | int ret = -1; | |
1298 | struct cmd_ctrl_node *cmdnode; | |
1299 | unsigned long flags; | |
1300 | ||
1301 | lbs_deb_enter(LBS_DEB_MAIN); | |
1302 | ||
1303 | netif_stop_queue(priv->dev); | |
1304 | netif_carrier_off(priv->dev); | |
1305 | ||
10078321 | 1306 | lbs_debugfs_remove_one(priv); |
954ee164 DW |
1307 | |
1308 | /* Flush pending command nodes */ | |
1309 | spin_lock_irqsave(&priv->adapter->driver_lock, flags); | |
1310 | list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) { | |
1311 | cmdnode->cmdwaitqwoken = 1; | |
1312 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1313 | } | |
1314 | spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); | |
1315 | ||
1316 | unregister_netdev(dev); | |
1317 | ||
1318 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
32a74b7c | 1319 | return ret; |
876c9d3a | 1320 | } |
10078321 | 1321 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1322 | |
876c9d3a | 1323 | |
78523daa HS |
1324 | /** |
1325 | * @brief This function adds mshX interface | |
1326 | * | |
10078321 | 1327 | * @param priv A pointer to the lbs_private structure |
78523daa HS |
1328 | * @return 0 if successful, -X otherwise |
1329 | */ | |
10078321 | 1330 | int lbs_add_mesh(lbs_private *priv, struct device *dev) |
78523daa HS |
1331 | { |
1332 | struct net_device *mesh_dev = NULL; | |
1333 | int ret = 0; | |
1334 | ||
1335 | lbs_deb_enter(LBS_DEB_MESH); | |
1336 | ||
1337 | /* Allocate a virtual mesh device */ | |
1338 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1339 | lbs_deb_mesh("init mshX device failed\n"); | |
1340 | ret = -ENOMEM; | |
1341 | goto done; | |
1342 | } | |
1343 | mesh_dev->priv = priv; | |
1344 | priv->mesh_dev = mesh_dev; | |
1345 | ||
10078321 HS |
1346 | mesh_dev->open = lbs_mesh_open; |
1347 | mesh_dev->hard_start_xmit = lbs_mesh_pre_start_xmit; | |
1348 | mesh_dev->stop = lbs_mesh_close; | |
1349 | mesh_dev->get_stats = lbs_get_stats; | |
1350 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1351 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1352 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1353 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1354 | |
7732ca45 DW |
1355 | SET_NETDEV_DEV(priv->mesh_dev, dev); |
1356 | ||
78523daa | 1357 | #ifdef WIRELESS_EXT |
f5e05b69 | 1358 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1359 | #endif |
78523daa HS |
1360 | /* Register virtual mesh interface */ |
1361 | ret = register_netdev(mesh_dev); | |
1362 | if (ret) { | |
1363 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1364 | goto err_free; | |
1365 | } | |
1366 | ||
10078321 | 1367 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1368 | if (ret) |
1369 | goto err_unregister; | |
1370 | ||
1371 | /* Everything successful */ | |
1372 | ret = 0; | |
1373 | goto done; | |
1374 | ||
78523daa HS |
1375 | err_unregister: |
1376 | unregister_netdev(mesh_dev); | |
1377 | ||
1378 | err_free: | |
1379 | free_netdev(mesh_dev); | |
1380 | ||
1381 | done: | |
1382 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1383 | return ret; | |
1384 | } | |
10078321 | 1385 | EXPORT_SYMBOL_GPL(lbs_add_mesh); |
78523daa | 1386 | |
084708b6 | 1387 | |
10078321 | 1388 | void lbs_remove_mesh(lbs_private *priv) |
78523daa HS |
1389 | { |
1390 | struct net_device *mesh_dev; | |
1391 | ||
954ee164 | 1392 | lbs_deb_enter(LBS_DEB_MAIN); |
78523daa HS |
1393 | |
1394 | if (!priv) | |
1395 | goto out; | |
1396 | ||
1397 | mesh_dev = priv->mesh_dev; | |
1398 | ||
1399 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1400 | netif_carrier_off(priv->mesh_dev); |
78523daa | 1401 | |
10078321 | 1402 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1403 | unregister_netdev(mesh_dev); |
1404 | ||
1405 | priv->mesh_dev = NULL ; | |
1406 | free_netdev(mesh_dev); | |
1407 | ||
1408 | out: | |
954ee164 | 1409 | lbs_deb_leave(LBS_DEB_MAIN); |
78523daa | 1410 | } |
10078321 | 1411 | EXPORT_SYMBOL_GPL(lbs_remove_mesh); |
78523daa | 1412 | |
876c9d3a MT |
1413 | /** |
1414 | * @brief This function finds the CFP in | |
1415 | * region_cfp_table based on region and band parameter. | |
1416 | * | |
1417 | * @param region The region code | |
1418 | * @param band The band | |
1419 | * @param cfp_no A pointer to CFP number | |
1420 | * @return A pointer to CFP | |
1421 | */ | |
10078321 | 1422 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, u8 band, int *cfp_no) |
876c9d3a MT |
1423 | { |
1424 | int i, end; | |
1425 | ||
9012b28a | 1426 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1427 | |
ff8ac609 | 1428 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1429 | |
1430 | for (i = 0; i < end ; i++) { | |
9012b28a | 1431 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1432 | region_cfp_table[i].region); |
1433 | if (region_cfp_table[i].region == region) { | |
1434 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1435 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1436 | return region_cfp_table[i].cfp_BG; |
1437 | } | |
1438 | } | |
1439 | ||
9012b28a | 1440 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1441 | return NULL; |
1442 | } | |
1443 | ||
10078321 | 1444 | int lbs_set_regiontable(lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1445 | { |
10078321 | 1446 | lbs_adapter *adapter = priv->adapter; |
9012b28a | 1447 | int ret = 0; |
876c9d3a MT |
1448 | int i = 0; |
1449 | ||
1450 | struct chan_freq_power *cfp; | |
1451 | int cfp_no; | |
1452 | ||
9012b28a | 1453 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1454 | |
1455 | memset(adapter->region_channel, 0, sizeof(adapter->region_channel)); | |
1456 | ||
1457 | { | |
10078321 | 1458 | cfp = lbs_get_region_cfp_table(region, band, &cfp_no); |
876c9d3a MT |
1459 | if (cfp != NULL) { |
1460 | adapter->region_channel[i].nrcfp = cfp_no; | |
1461 | adapter->region_channel[i].CFP = cfp; | |
1462 | } else { | |
9012b28a | 1463 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1464 | region); |
9012b28a HS |
1465 | ret = -1; |
1466 | goto out; | |
876c9d3a MT |
1467 | } |
1468 | adapter->region_channel[i].valid = 1; | |
1469 | adapter->region_channel[i].region = region; | |
1470 | adapter->region_channel[i].band = band; | |
1471 | i++; | |
1472 | } | |
9012b28a HS |
1473 | out: |
1474 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1475 | return ret; | |
876c9d3a MT |
1476 | } |
1477 | ||
1478 | /** | |
1479 | * @brief This function handles the interrupt. it will change PS | |
1480 | * state if applicable. it will wake up main_thread to handle | |
1481 | * the interrupt event as well. | |
1482 | * | |
1483 | * @param dev A pointer to net_device structure | |
1484 | * @return n/a | |
1485 | */ | |
10078321 | 1486 | void lbs_interrupt(struct net_device *dev) |
876c9d3a | 1487 | { |
10078321 | 1488 | lbs_private *priv = dev->priv; |
876c9d3a | 1489 | |
ed37b516 | 1490 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1491 | |
10078321 | 1492 | lbs_deb_thread("lbs_interrupt: intcounter=%d\n", |
876c9d3a MT |
1493 | priv->adapter->intcounter); |
1494 | ||
1495 | priv->adapter->intcounter++; | |
1496 | ||
1497 | if (priv->adapter->psstate == PS_STATE_SLEEP) { | |
1498 | priv->adapter->psstate = PS_STATE_AWAKE; | |
1499 | netif_wake_queue(dev); | |
3cf84091 HS |
1500 | if (priv->mesh_dev) |
1501 | netif_wake_queue(priv->mesh_dev); | |
876c9d3a MT |
1502 | } |
1503 | ||
fe336150 | 1504 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1505 | |
ed37b516 | 1506 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1507 | } |
10078321 | 1508 | EXPORT_SYMBOL_GPL(lbs_interrupt); |
876c9d3a | 1509 | |
10078321 | 1510 | int lbs_reset_device(lbs_private *priv) |
eedc2a31 DW |
1511 | { |
1512 | int ret; | |
1513 | ||
1514 | lbs_deb_enter(LBS_DEB_MAIN); | |
10078321 | 1515 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_RESET, |
eedc2a31 DW |
1516 | CMD_ACT_HALT, 0, 0, NULL); |
1517 | msleep_interruptible(10); | |
1518 | ||
1519 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1520 | return ret; | |
1521 | } | |
10078321 | 1522 | EXPORT_SYMBOL_GPL(lbs_reset_device); |
eedc2a31 | 1523 | |
4fb910fd | 1524 | static int __init lbs_init_module(void) |
876c9d3a | 1525 | { |
9012b28a | 1526 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1527 | lbs_debugfs_init(); |
084708b6 HS |
1528 | lbs_deb_leave(LBS_DEB_MAIN); |
1529 | return 0; | |
876c9d3a MT |
1530 | } |
1531 | ||
4fb910fd | 1532 | static void __exit lbs_exit_module(void) |
876c9d3a | 1533 | { |
9012b28a | 1534 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1535 | |
10078321 | 1536 | lbs_debugfs_remove(); |
876c9d3a | 1537 | |
9012b28a | 1538 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1539 | } |
1540 | ||
965f8bbc LCC |
1541 | /* |
1542 | * rtap interface support fuctions | |
1543 | */ | |
1544 | ||
10078321 | 1545 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc LCC |
1546 | { |
1547 | netif_carrier_off(dev); | |
1548 | netif_stop_queue(dev); | |
1549 | return 0; | |
1550 | } | |
1551 | ||
10078321 | 1552 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc LCC |
1553 | { |
1554 | return 0; | |
1555 | } | |
1556 | ||
10078321 | 1557 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc LCC |
1558 | { |
1559 | netif_stop_queue(dev); | |
1560 | return -EOPNOTSUPP; | |
1561 | } | |
1562 | ||
10078321 | 1563 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1564 | { |
10078321 | 1565 | lbs_private *priv = dev->priv; |
965f8bbc LCC |
1566 | return &priv->ieee->stats; |
1567 | } | |
1568 | ||
1569 | ||
10078321 | 1570 | void lbs_remove_rtap(lbs_private *priv) |
965f8bbc LCC |
1571 | { |
1572 | if (priv->rtap_net_dev == NULL) | |
1573 | return; | |
1574 | unregister_netdev(priv->rtap_net_dev); | |
1575 | free_ieee80211(priv->rtap_net_dev); | |
1576 | priv->rtap_net_dev = NULL; | |
1577 | } | |
1578 | ||
10078321 | 1579 | int lbs_add_rtap(lbs_private *priv) |
965f8bbc LCC |
1580 | { |
1581 | int rc = 0; | |
1582 | ||
1583 | if (priv->rtap_net_dev) | |
1584 | return -EPERM; | |
1585 | ||
1586 | priv->rtap_net_dev = alloc_ieee80211(0); | |
1587 | if (priv->rtap_net_dev == NULL) | |
1588 | return -ENOMEM; | |
1589 | ||
1590 | ||
1591 | priv->ieee = netdev_priv(priv->rtap_net_dev); | |
1592 | ||
1593 | strcpy(priv->rtap_net_dev->name, "rtap%d"); | |
1594 | ||
1595 | priv->rtap_net_dev->type = ARPHRD_IEEE80211_RADIOTAP; | |
10078321 HS |
1596 | priv->rtap_net_dev->open = lbs_rtap_open; |
1597 | priv->rtap_net_dev->stop = lbs_rtap_stop; | |
1598 | priv->rtap_net_dev->get_stats = lbs_rtap_get_stats; | |
1599 | priv->rtap_net_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1600 | priv->rtap_net_dev->set_multicast_list = lbs_set_multicast_list; | |
965f8bbc LCC |
1601 | priv->rtap_net_dev->priv = priv; |
1602 | ||
1603 | priv->ieee->iw_mode = IW_MODE_MONITOR; | |
1604 | ||
1605 | rc = register_netdev(priv->rtap_net_dev); | |
1606 | if (rc) { | |
1607 | free_ieee80211(priv->rtap_net_dev); | |
1608 | priv->rtap_net_dev = NULL; | |
1609 | return rc; | |
1610 | } | |
1611 | ||
1612 | return 0; | |
1613 | } | |
1614 | ||
1615 | ||
10078321 HS |
1616 | module_init(lbs_init_module); |
1617 | module_exit(lbs_exit_module); | |
876c9d3a | 1618 | |
084708b6 | 1619 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1620 | MODULE_AUTHOR("Marvell International Ltd."); |
1621 | MODULE_LICENSE("GPL"); |