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 | ||
69f9032d HS |
250 | int lbs_add_rtap(struct lbs_private *priv); |
251 | void lbs_remove_rtap(struct 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 | { | |
e7deced0 | 259 | struct lbs_private *priv = to_net_dev(dev)->priv; |
69f9032d | 260 | struct 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; | |
e7deced0 | 271 | struct lbs_private *priv = to_net_dev(dev)->priv; |
69f9032d | 272 | struct 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; | |
69f9032d | 335 | struct 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 | { | |
69f9032d HS |
378 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
379 | struct 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 | { |
69f9032d HS |
402 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
403 | struct 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 | { |
69f9032d | 432 | struct lbs_private *priv = (struct 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 | { |
69f9032d | 456 | struct lbs_private *priv = (struct 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 | { |
69f9032d | 469 | struct 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 | { |
69f9032d | 488 | struct lbs_private *priv = (struct 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 | { |
69f9032d | 506 | struct lbs_private *priv = (struct 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; | |
69f9032d | 520 | struct lbs_private *priv = dev->priv; |
876c9d3a | 521 | |
01affb65 | 522 | lbs_deb_enter(LBS_DEB_TX); |
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: | |
01affb65 | 536 | lbs_deb_leave_args(LBS_DEB_TX, "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 | { |
69f9032d | 547 | struct 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 | { |
69f9032d | 569 | struct lbs_private *priv = dev->priv; |
9012b28a HS |
570 | int ret; |
571 | ||
01affb65 | 572 | lbs_deb_enter(LBS_DEB_TX); |
9012b28a | 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); |
01affb65 | 582 | lbs_deb_leave_args(LBS_DEB_TX, "ret %d", ret); |
9012b28a | 583 | return ret; |
876c9d3a MT |
584 | } |
585 | ||
10078321 | 586 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 587 | { |
69f9032d | 588 | struct lbs_private *priv = (struct 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 | ||
e775ed7c DW |
617 | void lbs_host_to_card_done(struct lbs_private *priv) |
618 | { | |
619 | struct lbs_adapter *adapter = priv->adapter; | |
620 | ||
621 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
622 | ||
623 | /* Wake main thread if commands are pending */ | |
624 | if (!adapter->cur_cmd) | |
625 | wake_up_interruptible(&priv->waitq); | |
626 | ||
627 | if (priv->dev && adapter->connect_status == LBS_CONNECTED) | |
628 | netif_wake_queue(priv->dev); | |
629 | ||
630 | if (priv->mesh_dev && adapter->mesh_connect_status == LBS_CONNECTED) | |
631 | netif_wake_queue(priv->mesh_dev); | |
632 | } | |
633 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | |
634 | ||
876c9d3a MT |
635 | /** |
636 | * @brief This function returns the network statistics | |
637 | * | |
69f9032d | 638 | * @param dev A pointer to struct lbs_private structure |
876c9d3a MT |
639 | * @return A pointer to net_device_stats structure |
640 | */ | |
10078321 | 641 | static struct net_device_stats *lbs_get_stats(struct net_device *dev) |
876c9d3a | 642 | { |
69f9032d | 643 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a MT |
644 | |
645 | return &priv->stats; | |
646 | } | |
647 | ||
10078321 | 648 | static int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
649 | { |
650 | int ret = 0; | |
69f9032d HS |
651 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
652 | struct lbs_adapter *adapter = priv->adapter; | |
876c9d3a MT |
653 | struct sockaddr *phwaddr = addr; |
654 | ||
9012b28a | 655 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 656 | |
0a0d08ac LCCR |
657 | /* In case it was called from the mesh device */ |
658 | dev = priv->dev ; | |
659 | ||
876c9d3a MT |
660 | memset(adapter->current_addr, 0, ETH_ALEN); |
661 | ||
662 | /* dev->dev_addr is 8 bytes */ | |
ece56191 | 663 | lbs_deb_hex(LBS_DEB_NET, "dev->dev_addr", dev->dev_addr, ETH_ALEN); |
876c9d3a | 664 | |
ece56191 | 665 | lbs_deb_hex(LBS_DEB_NET, "addr", phwaddr->sa_data, ETH_ALEN); |
876c9d3a MT |
666 | memcpy(adapter->current_addr, phwaddr->sa_data, ETH_ALEN); |
667 | ||
10078321 | 668 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS, |
0aef64d7 DW |
669 | CMD_ACT_SET, |
670 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
876c9d3a MT |
671 | |
672 | if (ret) { | |
9012b28a | 673 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
674 | ret = -1; |
675 | goto done; | |
676 | } | |
677 | ||
ece56191 | 678 | lbs_deb_hex(LBS_DEB_NET, "adapter->macaddr", adapter->current_addr, ETH_ALEN); |
876c9d3a | 679 | memcpy(dev->dev_addr, adapter->current_addr, ETH_ALEN); |
78523daa HS |
680 | if (priv->mesh_dev) |
681 | memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
876c9d3a MT |
682 | |
683 | done: | |
9012b28a | 684 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
685 | return ret; |
686 | } | |
687 | ||
69f9032d | 688 | static int lbs_copy_multicast_address(struct lbs_adapter *adapter, |
876c9d3a MT |
689 | struct net_device *dev) |
690 | { | |
691 | int i = 0; | |
692 | struct dev_mc_list *mcptr = dev->mc_list; | |
693 | ||
694 | for (i = 0; i < dev->mc_count; i++) { | |
695 | memcpy(&adapter->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); | |
696 | mcptr = mcptr->next; | |
697 | } | |
698 | ||
699 | return i; | |
700 | ||
701 | } | |
702 | ||
10078321 | 703 | static void lbs_set_multicast_list(struct net_device *dev) |
876c9d3a | 704 | { |
69f9032d HS |
705 | struct lbs_private *priv = dev->priv; |
706 | struct lbs_adapter *adapter = priv->adapter; | |
876c9d3a | 707 | int oldpacketfilter; |
0795af57 | 708 | DECLARE_MAC_BUF(mac); |
876c9d3a | 709 | |
9012b28a | 710 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
711 | |
712 | oldpacketfilter = adapter->currentpacketfilter; | |
713 | ||
714 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 715 | lbs_deb_net("enable promiscuous mode\n"); |
876c9d3a | 716 | adapter->currentpacketfilter |= |
0aef64d7 | 717 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a | 718 | adapter->currentpacketfilter &= |
0aef64d7 DW |
719 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
720 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
721 | } else { |
722 | /* Multicast */ | |
723 | adapter->currentpacketfilter &= | |
0aef64d7 | 724 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
725 | |
726 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
727 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 728 | lbs_deb_net( "enabling all multicast\n"); |
876c9d3a | 729 | adapter->currentpacketfilter |= |
0aef64d7 | 730 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a | 731 | adapter->currentpacketfilter &= |
0aef64d7 | 732 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
733 | } else { |
734 | adapter->currentpacketfilter &= | |
0aef64d7 | 735 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
736 | |
737 | if (!dev->mc_count) { | |
9012b28a HS |
738 | lbs_deb_net("no multicast addresses, " |
739 | "disabling multicast\n"); | |
876c9d3a | 740 | adapter->currentpacketfilter &= |
0aef64d7 | 741 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
742 | } else { |
743 | int i; | |
744 | ||
745 | adapter->currentpacketfilter |= | |
0aef64d7 | 746 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
747 | |
748 | adapter->nr_of_multicastmacaddr = | |
10078321 | 749 | lbs_copy_multicast_address(adapter, dev); |
876c9d3a | 750 | |
9012b28a | 751 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
752 | dev->mc_count); |
753 | ||
754 | for (i = 0; i < dev->mc_count; i++) { | |
0795af57 JP |
755 | lbs_deb_net("Multicast address %d:%s\n", |
756 | i, print_mac(mac, | |
757 | adapter->multicastlist[i])); | |
876c9d3a | 758 | } |
9012b28a | 759 | /* send multicast addresses to firmware */ |
10078321 | 760 | lbs_prepare_and_send_command(priv, |
0aef64d7 DW |
761 | CMD_MAC_MULTICAST_ADR, |
762 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
763 | NULL); |
764 | } | |
765 | } | |
766 | } | |
767 | ||
768 | if (adapter->currentpacketfilter != oldpacketfilter) { | |
10078321 | 769 | lbs_set_mac_packet_filter(priv); |
876c9d3a MT |
770 | } |
771 | ||
9012b28a | 772 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
773 | } |
774 | ||
775 | /** | |
10078321 | 776 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
777 | * It handles all events generated by firmware, RX data received |
778 | * from firmware and TX data sent from kernel. | |
876c9d3a | 779 | * |
10078321 | 780 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
781 | * @return 0 |
782 | */ | |
10078321 | 783 | static int lbs_thread(void *data) |
876c9d3a | 784 | { |
fe336150 | 785 | struct net_device *dev = data; |
69f9032d HS |
786 | struct lbs_private *priv = dev->priv; |
787 | struct lbs_adapter *adapter = priv->adapter; | |
876c9d3a MT |
788 | wait_queue_t wait; |
789 | u8 ireg = 0; | |
790 | ||
9012b28a | 791 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 792 | |
876c9d3a MT |
793 | init_waitqueue_entry(&wait, current); |
794 | ||
b1b1907d | 795 | set_freezable(); |
59f3e4bf | 796 | |
876c9d3a | 797 | for (;;) { |
59f3e4bf DW |
798 | lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
799 | adapter->intcounter, adapter->currenttxskb, priv->dnld_sent); | |
876c9d3a | 800 | |
fe336150 | 801 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
802 | set_current_state(TASK_INTERRUPTIBLE); |
803 | spin_lock_irq(&adapter->driver_lock); | |
59f3e4bf | 804 | |
876c9d3a | 805 | if ((adapter->psstate == PS_STATE_SLEEP) || |
59f3e4bf DW |
806 | (!adapter->intcounter && (priv->dnld_sent || adapter->cur_cmd || list_empty(&adapter->cmdpendingq)))) { |
807 | lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", | |
808 | adapter->connect_status, adapter->intcounter, | |
809 | adapter->psmode, adapter->psstate); | |
876c9d3a MT |
810 | spin_unlock_irq(&adapter->driver_lock); |
811 | schedule(); | |
812 | } else | |
813 | spin_unlock_irq(&adapter->driver_lock); | |
814 | ||
59f3e4bf DW |
815 | lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
816 | adapter->intcounter, adapter->currenttxskb, priv->dnld_sent); | |
876c9d3a MT |
817 | |
818 | set_current_state(TASK_RUNNING); | |
fe336150 | 819 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
820 | try_to_freeze(); |
821 | ||
59f3e4bf DW |
822 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
823 | adapter->intcounter, adapter->currenttxskb, priv->dnld_sent); | |
876c9d3a | 824 | |
59f3e4bf DW |
825 | if (kthread_should_stop() || adapter->surpriseremoved) { |
826 | lbs_deb_thread("main-thread: break from main thread: surpriseremoved=0x%x\n", | |
827 | adapter->surpriseremoved); | |
876c9d3a MT |
828 | break; |
829 | } | |
830 | ||
831 | ||
832 | spin_lock_irq(&adapter->driver_lock); | |
59f3e4bf | 833 | |
876c9d3a MT |
834 | if (adapter->intcounter) { |
835 | u8 int_status; | |
59f3e4bf | 836 | |
876c9d3a | 837 | adapter->intcounter = 0; |
208fdd2f | 838 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
839 | |
840 | if (int_status) { | |
59f3e4bf | 841 | lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n"); |
876c9d3a MT |
842 | spin_unlock_irq(&adapter->driver_lock); |
843 | continue; | |
844 | } | |
845 | adapter->hisregcpy |= ireg; | |
846 | } | |
847 | ||
59f3e4bf DW |
848 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
849 | adapter->intcounter, adapter->currenttxskb, priv->dnld_sent); | |
876c9d3a MT |
850 | |
851 | /* command response? */ | |
c95c7f93 | 852 | if (adapter->hisregcpy & MRVDRV_CMD_UPLD_RDY) { |
9012b28a | 853 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a | 854 | |
c95c7f93 | 855 | adapter->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
876c9d3a | 856 | spin_unlock_irq(&adapter->driver_lock); |
10078321 | 857 | lbs_process_rx_command(priv); |
876c9d3a MT |
858 | spin_lock_irq(&adapter->driver_lock); |
859 | } | |
860 | ||
861 | /* Any Card Event */ | |
c95c7f93 | 862 | if (adapter->hisregcpy & MRVDRV_CARDEVENT) { |
9012b28a | 863 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a | 864 | |
c95c7f93 | 865 | adapter->hisregcpy &= ~MRVDRV_CARDEVENT; |
876c9d3a | 866 | |
208fdd2f | 867 | if (priv->hw_read_event_cause(priv)) { |
59f3e4bf | 868 | lbs_pr_alert("main-thread: hw_read_event_cause failed\n"); |
876c9d3a MT |
869 | spin_unlock_irq(&adapter->driver_lock); |
870 | continue; | |
871 | } | |
872 | spin_unlock_irq(&adapter->driver_lock); | |
10078321 | 873 | lbs_process_event(priv); |
876c9d3a MT |
874 | } else |
875 | spin_unlock_irq(&adapter->driver_lock); | |
876 | ||
877 | /* Check if we need to confirm Sleep Request received previously */ | |
59f3e4bf DW |
878 | if (adapter->psstate == PS_STATE_PRE_SLEEP && |
879 | !priv->dnld_sent && !adapter->cur_cmd) { | |
880 | if (adapter->connect_status == LBS_CONNECTED) { | |
881 | lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n", | |
882 | adapter->intcounter, adapter->currenttxskb, priv->dnld_sent, adapter->cur_cmd); | |
883 | ||
884 | lbs_ps_confirm_sleep(priv, (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("main-thread: ignore PS_SleepConfirm in non-connected state\n"); | |
876c9d3a MT |
893 | } |
894 | } | |
895 | ||
896 | /* The PS state is changed during processing of Sleep Request | |
897 | * event above | |
898 | */ | |
899 | if ((priv->adapter->psstate == PS_STATE_SLEEP) || | |
900 | (priv->adapter->psstate == PS_STATE_PRE_SLEEP)) | |
901 | continue; | |
902 | ||
903 | /* Execute the next command */ | |
634b8f49 | 904 | if (!priv->dnld_sent && !priv->adapter->cur_cmd) |
10078321 | 905 | lbs_execute_next_command(priv); |
876c9d3a MT |
906 | |
907 | /* Wake-up command waiters which can't sleep in | |
10078321 | 908 | * lbs_prepare_and_send_command |
876c9d3a | 909 | */ |
ac47246e | 910 | if (!list_empty(&adapter->cmdpendingq)) |
876c9d3a MT |
911 | wake_up_all(&adapter->cmd_pending); |
912 | ||
10078321 | 913 | lbs_tx_runqueue(priv); |
876c9d3a MT |
914 | } |
915 | ||
916 | del_timer(&adapter->command_timer); | |
876c9d3a | 917 | wake_up_all(&adapter->cmd_pending); |
876c9d3a | 918 | |
9012b28a | 919 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
920 | return 0; |
921 | } | |
922 | ||
1df4e8fe HS |
923 | /** |
924 | * @brief This function downloads firmware image, gets | |
925 | * HW spec from firmware and set basic parameters to | |
926 | * firmware. | |
927 | * | |
69f9032d | 928 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
929 | * @return 0 or -1 |
930 | */ | |
69f9032d | 931 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
932 | { |
933 | int ret = -1; | |
69f9032d | 934 | struct lbs_adapter *adapter = priv->adapter; |
d21b31fd | 935 | struct cmd_ds_mesh_access mesh_access; |
1df4e8fe HS |
936 | |
937 | lbs_deb_enter(LBS_DEB_FW); | |
938 | ||
1df4e8fe HS |
939 | /* |
940 | * Read MAC address from HW | |
941 | */ | |
942 | memset(adapter->current_addr, 0xff, ETH_ALEN); | |
943 | ||
10078321 | 944 | ret = lbs_prepare_and_send_command(priv, CMD_GET_HW_SPEC, |
1df4e8fe HS |
945 | 0, CMD_OPTION_WAITFORRSP, 0, NULL); |
946 | ||
947 | if (ret) { | |
948 | ret = -1; | |
949 | goto done; | |
950 | } | |
951 | ||
10078321 | 952 | lbs_set_mac_packet_filter(priv); |
1df4e8fe HS |
953 | |
954 | /* Get the supported Data rates */ | |
10078321 | 955 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_DATA_RATE, |
1df4e8fe HS |
956 | CMD_ACT_GET_TX_RATE, |
957 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
958 | ||
959 | if (ret) { | |
960 | ret = -1; | |
961 | goto done; | |
962 | } | |
963 | ||
d21b31fd LCC |
964 | /* Disable mesh autostart */ |
965 | if (priv->mesh_dev) { | |
966 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
967 | mesh_access.data[0] = cpu_to_le32(0); | |
10078321 | 968 | ret = lbs_prepare_and_send_command(priv, |
d21b31fd LCC |
969 | CMD_MESH_ACCESS, |
970 | CMD_ACT_MESH_SET_AUTOSTART_ENABLED, | |
971 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
972 | if (ret) { | |
973 | ret = -1; | |
974 | goto done; | |
975 | } | |
976 | priv->mesh_autostart_enabled = 0; | |
977 | } | |
978 | ||
1df4e8fe HS |
979 | ret = 0; |
980 | done: | |
981 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
982 | return ret; | |
983 | } | |
984 | ||
1df4e8fe HS |
985 | /** |
986 | * This function handles the timeout of command sending. | |
987 | * It will re-send the same command again. | |
988 | */ | |
989 | static void command_timer_fn(unsigned long data) | |
990 | { | |
69f9032d HS |
991 | struct lbs_private *priv = (struct lbs_private *)data; |
992 | struct lbs_adapter *adapter = priv->adapter; | |
1df4e8fe HS |
993 | struct cmd_ctrl_node *ptempnode; |
994 | struct cmd_ds_command *cmd; | |
995 | unsigned long flags; | |
996 | ||
997 | ptempnode = adapter->cur_cmd; | |
998 | if (ptempnode == NULL) { | |
999 | lbs_deb_fw("ptempnode empty\n"); | |
1000 | return; | |
1001 | } | |
1002 | ||
1003 | cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr; | |
1004 | if (!cmd) { | |
1005 | lbs_deb_fw("cmd is NULL\n"); | |
1006 | return; | |
1007 | } | |
1008 | ||
1009 | lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command); | |
1010 | ||
1011 | if (!adapter->fw_ready) | |
1012 | return; | |
1013 | ||
1014 | spin_lock_irqsave(&adapter->driver_lock, flags); | |
1015 | adapter->cur_cmd = NULL; | |
1016 | spin_unlock_irqrestore(&adapter->driver_lock, flags); | |
1017 | ||
1018 | lbs_deb_fw("re-sending same command because of timeout\n"); | |
10078321 | 1019 | lbs_queue_cmd(adapter, ptempnode, 0); |
1df4e8fe HS |
1020 | |
1021 | wake_up_interruptible(&priv->waitq); | |
1022 | ||
1023 | return; | |
1024 | } | |
1025 | ||
69f9032d | 1026 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 1027 | { |
69f9032d | 1028 | struct lbs_adapter *adapter = priv->adapter; |
1df4e8fe | 1029 | size_t bufsize; |
954ee164 | 1030 | int i, ret = 0; |
1df4e8fe HS |
1031 | |
1032 | /* Allocate buffer to store the BSSID list */ | |
1033 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
1034 | adapter->networks = kzalloc(bufsize, GFP_KERNEL); | |
1035 | if (!adapter->networks) { | |
1036 | lbs_pr_err("Out of memory allocating beacons\n"); | |
954ee164 DW |
1037 | ret = -1; |
1038 | goto out; | |
1df4e8fe HS |
1039 | } |
1040 | ||
954ee164 DW |
1041 | /* Initialize scan result lists */ |
1042 | INIT_LIST_HEAD(&adapter->network_free_list); | |
1043 | INIT_LIST_HEAD(&adapter->network_list); | |
1044 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { | |
1045 | list_add_tail(&adapter->networks[i].list, | |
1046 | &adapter->network_free_list); | |
1047 | } | |
1df4e8fe | 1048 | |
10078321 HS |
1049 | adapter->lbs_ps_confirm_sleep.seqnum = cpu_to_le16(++adapter->seqnum); |
1050 | adapter->lbs_ps_confirm_sleep.command = | |
1df4e8fe | 1051 | cpu_to_le16(CMD_802_11_PS_MODE); |
10078321 | 1052 | adapter->lbs_ps_confirm_sleep.size = |
1df4e8fe | 1053 | cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep)); |
10078321 | 1054 | adapter->lbs_ps_confirm_sleep.action = |
1df4e8fe HS |
1055 | cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); |
1056 | ||
1df4e8fe HS |
1057 | memset(adapter->current_addr, 0xff, ETH_ALEN); |
1058 | ||
10078321 | 1059 | adapter->connect_status = LBS_DISCONNECTED; |
01d77d8d | 1060 | adapter->mesh_connect_status = LBS_DISCONNECTED; |
1df4e8fe HS |
1061 | adapter->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; |
1062 | adapter->mode = IW_MODE_INFRA; | |
1df4e8fe | 1063 | adapter->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; |
954ee164 | 1064 | adapter->currentpacketfilter = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
1df4e8fe | 1065 | adapter->radioon = RADIO_ON; |
1df4e8fe | 1066 | adapter->auto_rate = 1; |
1df4e8fe | 1067 | adapter->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; |
10078321 | 1068 | adapter->psmode = LBS802_11POWERMODECAM; |
1df4e8fe | 1069 | adapter->psstate = PS_STATE_FULL_POWER; |
1df4e8fe | 1070 | |
954ee164 | 1071 | mutex_init(&adapter->lock); |
1df4e8fe HS |
1072 | |
1073 | memset(&adapter->tx_queue_ps, 0, NR_TX_QUEUE*sizeof(struct sk_buff*)); | |
1074 | adapter->tx_queue_idx = 0; | |
1075 | spin_lock_init(&adapter->txqueue_lock); | |
1076 | ||
954ee164 DW |
1077 | setup_timer(&adapter->command_timer, command_timer_fn, |
1078 | (unsigned long)priv); | |
1df4e8fe | 1079 | |
954ee164 DW |
1080 | INIT_LIST_HEAD(&adapter->cmdfreeq); |
1081 | INIT_LIST_HEAD(&adapter->cmdpendingq); | |
1df4e8fe | 1082 | |
954ee164 DW |
1083 | spin_lock_init(&adapter->driver_lock); |
1084 | init_waitqueue_head(&adapter->cmd_pending); | |
1df4e8fe | 1085 | |
954ee164 | 1086 | /* Allocate the command buffers */ |
10078321 | 1087 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 DW |
1088 | lbs_pr_err("Out of memory allocating command buffers\n"); |
1089 | ret = -1; | |
1090 | } | |
1df4e8fe | 1091 | |
954ee164 DW |
1092 | out: |
1093 | return ret; | |
1094 | } | |
1df4e8fe | 1095 | |
69f9032d | 1096 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 1097 | { |
69f9032d | 1098 | struct lbs_adapter *adapter = priv->adapter; |
1df4e8fe | 1099 | |
954ee164 DW |
1100 | if (!adapter) { |
1101 | lbs_deb_fw("why double free adapter?\n"); | |
1102 | return; | |
1df4e8fe HS |
1103 | } |
1104 | ||
954ee164 | 1105 | lbs_deb_fw("free command buffer\n"); |
10078321 | 1106 | lbs_free_cmd_buffer(priv); |
1df4e8fe | 1107 | |
954ee164 DW |
1108 | lbs_deb_fw("free command_timer\n"); |
1109 | del_timer(&adapter->command_timer); | |
1110 | ||
1111 | lbs_deb_fw("free scan results table\n"); | |
1112 | kfree(adapter->networks); | |
1113 | adapter->networks = NULL; | |
1114 | ||
1115 | /* Free the adapter object itself */ | |
1116 | lbs_deb_fw("free adapter\n"); | |
1117 | kfree(adapter); | |
1118 | priv->adapter = NULL; | |
1df4e8fe HS |
1119 | } |
1120 | ||
876c9d3a MT |
1121 | /** |
1122 | * @brief This function adds the card. it will probe the | |
10078321 | 1123 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1124 | * |
1125 | * @param card A pointer to card | |
69f9032d | 1126 | * @return A pointer to struct lbs_private structure |
876c9d3a | 1127 | */ |
69f9032d | 1128 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1129 | { |
1130 | struct net_device *dev = NULL; | |
69f9032d | 1131 | struct lbs_private *priv = NULL; |
876c9d3a | 1132 | |
9012b28a | 1133 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
1134 | |
1135 | /* Allocate an Ethernet device and register it */ | |
69f9032d HS |
1136 | dev = alloc_etherdev(sizeof(struct lbs_private)); |
1137 | if (!dev) { | |
9012b28a | 1138 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1139 | goto done; |
876c9d3a | 1140 | } |
64f104e8 | 1141 | priv = dev->priv; |
876c9d3a | 1142 | |
69f9032d HS |
1143 | /* allocate buffer for struct lbs_adapter */ |
1144 | priv->adapter = kzalloc(sizeof(struct lbs_adapter), GFP_KERNEL); | |
1145 | if (!priv->adapter) { | |
1146 | lbs_pr_err("allocate buffer for struct lbs_adapter failed\n"); | |
fb3dddf2 | 1147 | goto err_kzalloc; |
876c9d3a MT |
1148 | } |
1149 | ||
10078321 | 1150 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1151 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1152 | goto err_init_adapter; | |
1153 | } | |
1154 | ||
634b8f49 HS |
1155 | priv->dev = dev; |
1156 | priv->card = card; | |
876c9d3a MT |
1157 | priv->mesh_open = 0; |
1158 | priv->infra_open = 0; | |
876c9d3a | 1159 | |
876c9d3a | 1160 | /* Setup the OS Interface to our functions */ |
10078321 HS |
1161 | dev->open = lbs_open; |
1162 | dev->hard_start_xmit = lbs_pre_start_xmit; | |
1163 | dev->stop = lbs_close; | |
1164 | dev->set_mac_address = lbs_set_mac_address; | |
1165 | dev->tx_timeout = lbs_tx_timeout; | |
1166 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1167 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1168 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1169 | #ifdef WIRELESS_EXT |
10078321 | 1170 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1171 | #endif |
876c9d3a | 1172 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1173 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1174 | |
7732ca45 DW |
1175 | SET_NETDEV_DEV(dev, dmdev); |
1176 | ||
965f8bbc | 1177 | priv->rtap_net_dev = NULL; |
954ee164 DW |
1178 | |
1179 | lbs_deb_thread("Starting main thread...\n"); | |
1180 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1181 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1182 | if (IS_ERR(priv->main_thread)) { |
1183 | lbs_deb_thread("Error creating main thread.\n"); | |
e7deced0 | 1184 | goto err_init_adapter; |
954ee164 DW |
1185 | } |
1186 | ||
10078321 HS |
1187 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1188 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1189 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
1190 | INIT_WORK(&priv->sync_channel, lbs_sync_channel); | |
954ee164 | 1191 | |
32a74b7c HS |
1192 | goto done; |
1193 | ||
954ee164 | 1194 | err_init_adapter: |
10078321 | 1195 | lbs_free_adapter(priv); |
954ee164 | 1196 | |
32a74b7c HS |
1197 | err_kzalloc: |
1198 | free_netdev(dev); | |
6a812157 | 1199 | priv = NULL; |
954ee164 | 1200 | |
32a74b7c HS |
1201 | done: |
1202 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
1203 | return priv; | |
1204 | } | |
10078321 | 1205 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1206 | |
954ee164 | 1207 | |
69f9032d | 1208 | int lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 1209 | { |
69f9032d | 1210 | struct lbs_adapter *adapter = priv->adapter; |
634b8f49 | 1211 | struct net_device *dev = priv->dev; |
954ee164 | 1212 | union iwreq_data wrqu; |
32a74b7c HS |
1213 | |
1214 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1215 | |
10078321 | 1216 | lbs_remove_rtap(priv); |
876c9d3a | 1217 | |
954ee164 | 1218 | dev = priv->dev; |
e7deced0 | 1219 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
2afc0c5d | 1220 | |
954ee164 DW |
1221 | cancel_delayed_work(&priv->scan_work); |
1222 | cancel_delayed_work(&priv->assoc_work); | |
1223 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1224 | |
10078321 HS |
1225 | if (adapter->psmode == LBS802_11POWERMODEMAX_PSP) { |
1226 | adapter->psmode = LBS802_11POWERMODECAM; | |
1227 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); | |
876c9d3a MT |
1228 | } |
1229 | ||
954ee164 DW |
1230 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1231 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1232 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1233 | ||
1234 | /* Stop the thread servicing the interrupts */ | |
1235 | adapter->surpriseremoved = 1; | |
1236 | kthread_stop(priv->main_thread); | |
1237 | ||
10078321 | 1238 | lbs_free_adapter(priv); |
954ee164 DW |
1239 | |
1240 | priv->dev = NULL; | |
1241 | free_netdev(dev); | |
1242 | ||
1243 | lbs_deb_leave(LBS_DEB_MAIN); | |
1244 | return 0; | |
1245 | } | |
10078321 | 1246 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1247 | |
1248 | ||
69f9032d | 1249 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
1250 | { |
1251 | struct net_device *dev = priv->dev; | |
1252 | int ret = -1; | |
1253 | ||
1254 | lbs_deb_enter(LBS_DEB_MAIN); | |
1255 | ||
1256 | /* poke the firmware */ | |
10078321 | 1257 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1258 | if (ret) |
1259 | goto done; | |
1260 | ||
1261 | /* init 802.11d */ | |
10078321 | 1262 | lbs_init_11d(priv); |
876c9d3a MT |
1263 | |
1264 | if (register_netdev(dev)) { | |
9012b28a | 1265 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1266 | goto done; |
876c9d3a | 1267 | } |
e7deced0 DW |
1268 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1269 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | |
876c9d3a | 1270 | |
10078321 | 1271 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1272 | |
954ee164 DW |
1273 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1274 | ||
32a74b7c | 1275 | ret = 0; |
876c9d3a | 1276 | |
32a74b7c | 1277 | done: |
954ee164 DW |
1278 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1279 | return ret; | |
1280 | } | |
10078321 | 1281 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1282 | |
1283 | ||
69f9032d | 1284 | int lbs_stop_card(struct lbs_private *priv) |
954ee164 DW |
1285 | { |
1286 | struct net_device *dev = priv->dev; | |
1287 | int ret = -1; | |
1288 | struct cmd_ctrl_node *cmdnode; | |
1289 | unsigned long flags; | |
1290 | ||
1291 | lbs_deb_enter(LBS_DEB_MAIN); | |
1292 | ||
1293 | netif_stop_queue(priv->dev); | |
1294 | netif_carrier_off(priv->dev); | |
1295 | ||
10078321 | 1296 | lbs_debugfs_remove_one(priv); |
954ee164 DW |
1297 | |
1298 | /* Flush pending command nodes */ | |
1299 | spin_lock_irqsave(&priv->adapter->driver_lock, flags); | |
1300 | list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) { | |
1301 | cmdnode->cmdwaitqwoken = 1; | |
1302 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1303 | } | |
1304 | spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); | |
1305 | ||
1306 | unregister_netdev(dev); | |
1307 | ||
1308 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
32a74b7c | 1309 | return ret; |
876c9d3a | 1310 | } |
10078321 | 1311 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1312 | |
876c9d3a | 1313 | |
78523daa HS |
1314 | /** |
1315 | * @brief This function adds mshX interface | |
1316 | * | |
69f9032d | 1317 | * @param priv A pointer to the struct lbs_private structure |
78523daa HS |
1318 | * @return 0 if successful, -X otherwise |
1319 | */ | |
69f9032d | 1320 | int lbs_add_mesh(struct lbs_private *priv, struct device *dev) |
78523daa HS |
1321 | { |
1322 | struct net_device *mesh_dev = NULL; | |
1323 | int ret = 0; | |
1324 | ||
1325 | lbs_deb_enter(LBS_DEB_MESH); | |
1326 | ||
1327 | /* Allocate a virtual mesh device */ | |
1328 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1329 | lbs_deb_mesh("init mshX device failed\n"); | |
1330 | ret = -ENOMEM; | |
1331 | goto done; | |
1332 | } | |
1333 | mesh_dev->priv = priv; | |
1334 | priv->mesh_dev = mesh_dev; | |
1335 | ||
10078321 HS |
1336 | mesh_dev->open = lbs_mesh_open; |
1337 | mesh_dev->hard_start_xmit = lbs_mesh_pre_start_xmit; | |
1338 | mesh_dev->stop = lbs_mesh_close; | |
1339 | mesh_dev->get_stats = lbs_get_stats; | |
1340 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1341 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1342 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1343 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1344 | |
7732ca45 DW |
1345 | SET_NETDEV_DEV(priv->mesh_dev, dev); |
1346 | ||
78523daa | 1347 | #ifdef WIRELESS_EXT |
f5e05b69 | 1348 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1349 | #endif |
78523daa HS |
1350 | /* Register virtual mesh interface */ |
1351 | ret = register_netdev(mesh_dev); | |
1352 | if (ret) { | |
1353 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1354 | goto err_free; | |
1355 | } | |
1356 | ||
10078321 | 1357 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1358 | if (ret) |
1359 | goto err_unregister; | |
1360 | ||
1361 | /* Everything successful */ | |
1362 | ret = 0; | |
1363 | goto done; | |
1364 | ||
78523daa HS |
1365 | err_unregister: |
1366 | unregister_netdev(mesh_dev); | |
1367 | ||
1368 | err_free: | |
1369 | free_netdev(mesh_dev); | |
1370 | ||
1371 | done: | |
1372 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1373 | return ret; | |
1374 | } | |
10078321 | 1375 | EXPORT_SYMBOL_GPL(lbs_add_mesh); |
78523daa | 1376 | |
084708b6 | 1377 | |
69f9032d | 1378 | void lbs_remove_mesh(struct lbs_private *priv) |
78523daa HS |
1379 | { |
1380 | struct net_device *mesh_dev; | |
1381 | ||
954ee164 | 1382 | lbs_deb_enter(LBS_DEB_MAIN); |
78523daa HS |
1383 | |
1384 | if (!priv) | |
1385 | goto out; | |
1386 | ||
1387 | mesh_dev = priv->mesh_dev; | |
1388 | ||
1389 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1390 | netif_carrier_off(priv->mesh_dev); |
78523daa | 1391 | |
10078321 | 1392 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1393 | unregister_netdev(mesh_dev); |
1394 | ||
1395 | priv->mesh_dev = NULL ; | |
1396 | free_netdev(mesh_dev); | |
1397 | ||
1398 | out: | |
954ee164 | 1399 | lbs_deb_leave(LBS_DEB_MAIN); |
78523daa | 1400 | } |
10078321 | 1401 | EXPORT_SYMBOL_GPL(lbs_remove_mesh); |
78523daa | 1402 | |
876c9d3a MT |
1403 | /** |
1404 | * @brief This function finds the CFP in | |
1405 | * region_cfp_table based on region and band parameter. | |
1406 | * | |
1407 | * @param region The region code | |
1408 | * @param band The band | |
1409 | * @param cfp_no A pointer to CFP number | |
1410 | * @return A pointer to CFP | |
1411 | */ | |
10078321 | 1412 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, u8 band, int *cfp_no) |
876c9d3a MT |
1413 | { |
1414 | int i, end; | |
1415 | ||
9012b28a | 1416 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1417 | |
ff8ac609 | 1418 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1419 | |
1420 | for (i = 0; i < end ; i++) { | |
9012b28a | 1421 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1422 | region_cfp_table[i].region); |
1423 | if (region_cfp_table[i].region == region) { | |
1424 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1425 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1426 | return region_cfp_table[i].cfp_BG; |
1427 | } | |
1428 | } | |
1429 | ||
9012b28a | 1430 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1431 | return NULL; |
1432 | } | |
1433 | ||
69f9032d | 1434 | int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1435 | { |
69f9032d | 1436 | struct lbs_adapter *adapter = priv->adapter; |
9012b28a | 1437 | int ret = 0; |
876c9d3a MT |
1438 | int i = 0; |
1439 | ||
1440 | struct chan_freq_power *cfp; | |
1441 | int cfp_no; | |
1442 | ||
9012b28a | 1443 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1444 | |
1445 | memset(adapter->region_channel, 0, sizeof(adapter->region_channel)); | |
1446 | ||
1447 | { | |
10078321 | 1448 | cfp = lbs_get_region_cfp_table(region, band, &cfp_no); |
876c9d3a MT |
1449 | if (cfp != NULL) { |
1450 | adapter->region_channel[i].nrcfp = cfp_no; | |
1451 | adapter->region_channel[i].CFP = cfp; | |
1452 | } else { | |
9012b28a | 1453 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1454 | region); |
9012b28a HS |
1455 | ret = -1; |
1456 | goto out; | |
876c9d3a MT |
1457 | } |
1458 | adapter->region_channel[i].valid = 1; | |
1459 | adapter->region_channel[i].region = region; | |
1460 | adapter->region_channel[i].band = band; | |
1461 | i++; | |
1462 | } | |
9012b28a HS |
1463 | out: |
1464 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1465 | return ret; | |
876c9d3a MT |
1466 | } |
1467 | ||
1468 | /** | |
1469 | * @brief This function handles the interrupt. it will change PS | |
1470 | * state if applicable. it will wake up main_thread to handle | |
1471 | * the interrupt event as well. | |
1472 | * | |
1473 | * @param dev A pointer to net_device structure | |
1474 | * @return n/a | |
1475 | */ | |
10078321 | 1476 | void lbs_interrupt(struct net_device *dev) |
876c9d3a | 1477 | { |
69f9032d | 1478 | struct lbs_private *priv = dev->priv; |
876c9d3a | 1479 | |
ed37b516 | 1480 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1481 | |
10078321 | 1482 | lbs_deb_thread("lbs_interrupt: intcounter=%d\n", |
876c9d3a MT |
1483 | priv->adapter->intcounter); |
1484 | ||
1485 | priv->adapter->intcounter++; | |
1486 | ||
1487 | if (priv->adapter->psstate == PS_STATE_SLEEP) { | |
1488 | priv->adapter->psstate = PS_STATE_AWAKE; | |
1489 | netif_wake_queue(dev); | |
3cf84091 HS |
1490 | if (priv->mesh_dev) |
1491 | netif_wake_queue(priv->mesh_dev); | |
876c9d3a MT |
1492 | } |
1493 | ||
fe336150 | 1494 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1495 | |
ed37b516 | 1496 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1497 | } |
10078321 | 1498 | EXPORT_SYMBOL_GPL(lbs_interrupt); |
876c9d3a | 1499 | |
69f9032d | 1500 | int lbs_reset_device(struct lbs_private *priv) |
eedc2a31 DW |
1501 | { |
1502 | int ret; | |
1503 | ||
1504 | lbs_deb_enter(LBS_DEB_MAIN); | |
10078321 | 1505 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_RESET, |
eedc2a31 DW |
1506 | CMD_ACT_HALT, 0, 0, NULL); |
1507 | msleep_interruptible(10); | |
1508 | ||
1509 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1510 | return ret; | |
1511 | } | |
10078321 | 1512 | EXPORT_SYMBOL_GPL(lbs_reset_device); |
eedc2a31 | 1513 | |
4fb910fd | 1514 | static int __init lbs_init_module(void) |
876c9d3a | 1515 | { |
9012b28a | 1516 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1517 | lbs_debugfs_init(); |
084708b6 HS |
1518 | lbs_deb_leave(LBS_DEB_MAIN); |
1519 | return 0; | |
876c9d3a MT |
1520 | } |
1521 | ||
4fb910fd | 1522 | static void __exit lbs_exit_module(void) |
876c9d3a | 1523 | { |
9012b28a | 1524 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1525 | |
10078321 | 1526 | lbs_debugfs_remove(); |
876c9d3a | 1527 | |
9012b28a | 1528 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1529 | } |
1530 | ||
965f8bbc LCC |
1531 | /* |
1532 | * rtap interface support fuctions | |
1533 | */ | |
1534 | ||
10078321 | 1535 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc LCC |
1536 | { |
1537 | netif_carrier_off(dev); | |
1538 | netif_stop_queue(dev); | |
1539 | return 0; | |
1540 | } | |
1541 | ||
10078321 | 1542 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc LCC |
1543 | { |
1544 | return 0; | |
1545 | } | |
1546 | ||
10078321 | 1547 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc LCC |
1548 | { |
1549 | netif_stop_queue(dev); | |
1550 | return -EOPNOTSUPP; | |
1551 | } | |
1552 | ||
10078321 | 1553 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1554 | { |
69f9032d | 1555 | struct lbs_private *priv = dev->priv; |
965f8bbc LCC |
1556 | return &priv->ieee->stats; |
1557 | } | |
1558 | ||
1559 | ||
69f9032d | 1560 | void lbs_remove_rtap(struct lbs_private *priv) |
965f8bbc LCC |
1561 | { |
1562 | if (priv->rtap_net_dev == NULL) | |
1563 | return; | |
1564 | unregister_netdev(priv->rtap_net_dev); | |
1565 | free_ieee80211(priv->rtap_net_dev); | |
1566 | priv->rtap_net_dev = NULL; | |
1567 | } | |
1568 | ||
69f9032d | 1569 | int lbs_add_rtap(struct lbs_private *priv) |
965f8bbc LCC |
1570 | { |
1571 | int rc = 0; | |
1572 | ||
1573 | if (priv->rtap_net_dev) | |
1574 | return -EPERM; | |
1575 | ||
1576 | priv->rtap_net_dev = alloc_ieee80211(0); | |
1577 | if (priv->rtap_net_dev == NULL) | |
1578 | return -ENOMEM; | |
1579 | ||
1580 | ||
1581 | priv->ieee = netdev_priv(priv->rtap_net_dev); | |
1582 | ||
1583 | strcpy(priv->rtap_net_dev->name, "rtap%d"); | |
1584 | ||
1585 | priv->rtap_net_dev->type = ARPHRD_IEEE80211_RADIOTAP; | |
10078321 HS |
1586 | priv->rtap_net_dev->open = lbs_rtap_open; |
1587 | priv->rtap_net_dev->stop = lbs_rtap_stop; | |
1588 | priv->rtap_net_dev->get_stats = lbs_rtap_get_stats; | |
1589 | priv->rtap_net_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1590 | priv->rtap_net_dev->set_multicast_list = lbs_set_multicast_list; | |
965f8bbc LCC |
1591 | priv->rtap_net_dev->priv = priv; |
1592 | ||
1593 | priv->ieee->iw_mode = IW_MODE_MONITOR; | |
1594 | ||
1595 | rc = register_netdev(priv->rtap_net_dev); | |
1596 | if (rc) { | |
1597 | free_ieee80211(priv->rtap_net_dev); | |
1598 | priv->rtap_net_dev = NULL; | |
1599 | return rc; | |
1600 | } | |
1601 | ||
1602 | return 0; | |
1603 | } | |
1604 | ||
1605 | ||
10078321 HS |
1606 | module_init(lbs_init_module); |
1607 | module_exit(lbs_exit_module); | |
876c9d3a | 1608 | |
084708b6 | 1609 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1610 | MODULE_AUTHOR("Marvell International Ltd."); |
1611 | MODULE_LICENSE("GPL"); |