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" |
6e66f03f | 25 | #include "cmd.h" |
876c9d3a | 26 | |
7856a541 | 27 | #define DRIVER_RELEASE_VERSION "323.p0" |
10078321 | 28 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
3ce40232 DW |
29 | #ifdef DEBUG |
30 | "-dbg" | |
31 | #endif | |
32 | ""; | |
33 | ||
a46c6410 HS |
34 | |
35 | /* Module parameters */ | |
10078321 HS |
36 | unsigned int lbs_debug; |
37 | EXPORT_SYMBOL_GPL(lbs_debug); | |
38 | module_param_named(libertas_debug, lbs_debug, int, 0644); | |
a46c6410 HS |
39 | |
40 | ||
10078321 HS |
41 | #define LBS_TX_PWR_DEFAULT 20 /*100mW */ |
42 | #define LBS_TX_PWR_US_DEFAULT 20 /*100mW */ | |
43 | #define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
44 | #define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
45 | #define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
876c9d3a MT |
46 | |
47 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
48 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
49 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
10078321 HS |
50 | {1, 2412, LBS_TX_PWR_US_DEFAULT}, |
51 | {2, 2417, LBS_TX_PWR_US_DEFAULT}, | |
52 | {3, 2422, LBS_TX_PWR_US_DEFAULT}, | |
53 | {4, 2427, LBS_TX_PWR_US_DEFAULT}, | |
54 | {5, 2432, LBS_TX_PWR_US_DEFAULT}, | |
55 | {6, 2437, LBS_TX_PWR_US_DEFAULT}, | |
56 | {7, 2442, LBS_TX_PWR_US_DEFAULT}, | |
57 | {8, 2447, LBS_TX_PWR_US_DEFAULT}, | |
58 | {9, 2452, LBS_TX_PWR_US_DEFAULT}, | |
59 | {10, 2457, LBS_TX_PWR_US_DEFAULT}, | |
60 | {11, 2462, LBS_TX_PWR_US_DEFAULT} | |
876c9d3a MT |
61 | }; |
62 | ||
63 | /* band: 'B/G', region: Europe ETSI */ | |
64 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
10078321 HS |
65 | {1, 2412, LBS_TX_PWR_EMEA_DEFAULT}, |
66 | {2, 2417, LBS_TX_PWR_EMEA_DEFAULT}, | |
67 | {3, 2422, LBS_TX_PWR_EMEA_DEFAULT}, | |
68 | {4, 2427, LBS_TX_PWR_EMEA_DEFAULT}, | |
69 | {5, 2432, LBS_TX_PWR_EMEA_DEFAULT}, | |
70 | {6, 2437, LBS_TX_PWR_EMEA_DEFAULT}, | |
71 | {7, 2442, LBS_TX_PWR_EMEA_DEFAULT}, | |
72 | {8, 2447, LBS_TX_PWR_EMEA_DEFAULT}, | |
73 | {9, 2452, LBS_TX_PWR_EMEA_DEFAULT}, | |
74 | {10, 2457, LBS_TX_PWR_EMEA_DEFAULT}, | |
75 | {11, 2462, LBS_TX_PWR_EMEA_DEFAULT}, | |
76 | {12, 2467, LBS_TX_PWR_EMEA_DEFAULT}, | |
77 | {13, 2472, LBS_TX_PWR_EMEA_DEFAULT} | |
876c9d3a MT |
78 | }; |
79 | ||
80 | /* band: 'B/G', region: Spain */ | |
81 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
10078321 HS |
82 | {10, 2457, LBS_TX_PWR_DEFAULT}, |
83 | {11, 2462, LBS_TX_PWR_DEFAULT} | |
876c9d3a MT |
84 | }; |
85 | ||
86 | /* band: 'B/G', region: France */ | |
87 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
10078321 HS |
88 | {10, 2457, LBS_TX_PWR_FR_DEFAULT}, |
89 | {11, 2462, LBS_TX_PWR_FR_DEFAULT}, | |
90 | {12, 2467, LBS_TX_PWR_FR_DEFAULT}, | |
91 | {13, 2472, LBS_TX_PWR_FR_DEFAULT} | |
876c9d3a MT |
92 | }; |
93 | ||
94 | /* band: 'B/G', region: Japan */ | |
95 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
10078321 HS |
96 | {1, 2412, LBS_TX_PWR_JP_DEFAULT}, |
97 | {2, 2417, LBS_TX_PWR_JP_DEFAULT}, | |
98 | {3, 2422, LBS_TX_PWR_JP_DEFAULT}, | |
99 | {4, 2427, LBS_TX_PWR_JP_DEFAULT}, | |
100 | {5, 2432, LBS_TX_PWR_JP_DEFAULT}, | |
101 | {6, 2437, LBS_TX_PWR_JP_DEFAULT}, | |
102 | {7, 2442, LBS_TX_PWR_JP_DEFAULT}, | |
103 | {8, 2447, LBS_TX_PWR_JP_DEFAULT}, | |
104 | {9, 2452, LBS_TX_PWR_JP_DEFAULT}, | |
105 | {10, 2457, LBS_TX_PWR_JP_DEFAULT}, | |
106 | {11, 2462, LBS_TX_PWR_JP_DEFAULT}, | |
107 | {12, 2467, LBS_TX_PWR_JP_DEFAULT}, | |
108 | {13, 2472, LBS_TX_PWR_JP_DEFAULT}, | |
109 | {14, 2484, LBS_TX_PWR_JP_DEFAULT} | |
876c9d3a MT |
110 | }; |
111 | ||
112 | /** | |
113 | * the structure for channel, frequency and power | |
114 | */ | |
115 | struct region_cfp_table { | |
116 | u8 region; | |
117 | struct chan_freq_power *cfp_BG; | |
118 | int cfp_no_BG; | |
119 | }; | |
120 | ||
121 | /** | |
122 | * the structure for the mapping between region and CFP | |
123 | */ | |
124 | static struct region_cfp_table region_cfp_table[] = { | |
125 | {0x10, /*US FCC */ | |
126 | channel_freq_power_US_BG, | |
ff8ac609 | 127 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
128 | } |
129 | , | |
130 | {0x20, /*CANADA IC */ | |
131 | channel_freq_power_US_BG, | |
ff8ac609 | 132 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
133 | } |
134 | , | |
135 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
ff8ac609 | 136 | ARRAY_SIZE(channel_freq_power_EU_BG), |
876c9d3a MT |
137 | } |
138 | , | |
139 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
ff8ac609 | 140 | ARRAY_SIZE(channel_freq_power_SPN_BG), |
876c9d3a MT |
141 | } |
142 | , | |
143 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
ff8ac609 | 144 | ARRAY_SIZE(channel_freq_power_FR_BG), |
876c9d3a MT |
145 | } |
146 | , | |
147 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
ff8ac609 | 148 | ARRAY_SIZE(channel_freq_power_JPN_BG), |
876c9d3a MT |
149 | } |
150 | , | |
151 | /*Add new region here */ | |
152 | }; | |
153 | ||
876c9d3a | 154 | /** |
8c512765 | 155 | * the table to keep region code |
876c9d3a | 156 | */ |
10078321 | 157 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
8c512765 | 158 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
876c9d3a MT |
159 | |
160 | /** | |
8c512765 | 161 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 162 | */ |
10078321 | 163 | u8 lbs_bg_rates[MAX_RATES] = |
8c512765 DW |
164 | { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, |
165 | 0x00, 0x00 }; | |
876c9d3a MT |
166 | |
167 | /** | |
8c512765 DW |
168 | * FW rate table. FW refers to rates by their index in this table, not by the |
169 | * rate value itself. Values of 0x00 are | |
170 | * reserved positions. | |
876c9d3a | 171 | */ |
8c512765 DW |
172 | static u8 fw_data_rates[MAX_RATES] = |
173 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
174 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
175 | }; | |
876c9d3a | 176 | |
876c9d3a | 177 | /** |
8c512765 DW |
178 | * @brief use index to get the data rate |
179 | * | |
180 | * @param idx The index of data rate | |
181 | * @return data rate or 0 | |
876c9d3a | 182 | */ |
10078321 | 183 | u32 lbs_fw_index_to_data_rate(u8 idx) |
8c512765 DW |
184 | { |
185 | if (idx >= sizeof(fw_data_rates)) | |
186 | idx = 0; | |
187 | return fw_data_rates[idx]; | |
188 | } | |
189 | ||
190 | /** | |
191 | * @brief use rate to get the index | |
192 | * | |
193 | * @param rate data rate | |
194 | * @return index or 0 | |
195 | */ | |
10078321 | 196 | u8 lbs_data_rate_to_fw_index(u32 rate) |
8c512765 DW |
197 | { |
198 | u8 i; | |
199 | ||
200 | if (!rate) | |
201 | return 0; | |
202 | ||
203 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
204 | if (rate == fw_data_rates[i]) | |
205 | return i; | |
206 | } | |
207 | return 0; | |
208 | } | |
876c9d3a | 209 | |
876c9d3a MT |
210 | /** |
211 | * Attributes exported through sysfs | |
212 | */ | |
876c9d3a MT |
213 | |
214 | /** | |
82fde74b | 215 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 216 | */ |
10078321 | 217 | static ssize_t lbs_anycast_get(struct device *dev, |
b59bb616 DW |
218 | struct device_attribute *attr, char * buf) |
219 | { | |
301eacbf | 220 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 221 | struct cmd_ds_mesh_access mesh_access; |
301eacbf | 222 | int ret; |
876c9d3a MT |
223 | |
224 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
301eacbf DW |
225 | |
226 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
227 | if (ret) | |
228 | return ret; | |
876c9d3a | 229 | |
82fde74b | 230 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
231 | } |
232 | ||
233 | /** | |
82fde74b | 234 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 235 | */ |
10078321 | 236 | static ssize_t lbs_anycast_set(struct device *dev, |
b59bb616 DW |
237 | struct device_attribute *attr, const char * buf, size_t count) |
238 | { | |
301eacbf | 239 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 240 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 241 | uint32_t datum; |
301eacbf | 242 | int ret; |
876c9d3a | 243 | |
876c9d3a | 244 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 245 | sscanf(buf, "%x", &datum); |
981f187b DW |
246 | mesh_access.data[0] = cpu_to_le32(datum); |
247 | ||
301eacbf DW |
248 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); |
249 | if (ret) | |
250 | return ret; | |
251 | ||
876c9d3a MT |
252 | return strlen(buf); |
253 | } | |
254 | ||
69f9032d HS |
255 | int lbs_add_rtap(struct lbs_private *priv); |
256 | void lbs_remove_rtap(struct lbs_private *priv); | |
965f8bbc LCC |
257 | |
258 | /** | |
259 | * Get function for sysfs attribute rtap | |
260 | */ | |
10078321 | 261 | static ssize_t lbs_rtap_get(struct device *dev, |
965f8bbc LCC |
262 | struct device_attribute *attr, char * buf) |
263 | { | |
e7deced0 | 264 | struct lbs_private *priv = to_net_dev(dev)->priv; |
aa21c004 | 265 | return snprintf(buf, 5, "0x%X\n", priv->monitormode); |
965f8bbc LCC |
266 | } |
267 | ||
268 | /** | |
269 | * Set function for sysfs attribute rtap | |
270 | */ | |
10078321 | 271 | static ssize_t lbs_rtap_set(struct device *dev, |
965f8bbc LCC |
272 | struct device_attribute *attr, const char * buf, size_t count) |
273 | { | |
274 | int monitor_mode; | |
e7deced0 | 275 | struct lbs_private *priv = to_net_dev(dev)->priv; |
965f8bbc LCC |
276 | |
277 | sscanf(buf, "%x", &monitor_mode); | |
10078321 | 278 | if (monitor_mode != LBS_MONITOR_OFF) { |
aa21c004 | 279 | if(priv->monitormode == monitor_mode) |
965f8bbc | 280 | return strlen(buf); |
aa21c004 | 281 | if (priv->monitormode == LBS_MONITOR_OFF) { |
8552855f DW |
282 | if (priv->infra_open || priv->mesh_open) |
283 | return -EBUSY; | |
aa21c004 | 284 | if (priv->mode == IW_MODE_INFRA) |
10078321 | 285 | lbs_send_deauthentication(priv); |
aa21c004 | 286 | else if (priv->mode == IW_MODE_ADHOC) |
10078321 HS |
287 | lbs_stop_adhoc_network(priv); |
288 | lbs_add_rtap(priv); | |
965f8bbc | 289 | } |
aa21c004 | 290 | priv->monitormode = monitor_mode; |
965f8bbc LCC |
291 | } |
292 | ||
293 | else { | |
aa21c004 | 294 | if (priv->monitormode == LBS_MONITOR_OFF) |
965f8bbc | 295 | return strlen(buf); |
aa21c004 | 296 | priv->monitormode = LBS_MONITOR_OFF; |
10078321 | 297 | lbs_remove_rtap(priv); |
f86a93e1 | 298 | |
aa21c004 DW |
299 | if (priv->currenttxskb) { |
300 | dev_kfree_skb_any(priv->currenttxskb); | |
301 | priv->currenttxskb = NULL; | |
f86a93e1 DW |
302 | } |
303 | ||
304 | /* Wake queues, command thread, etc. */ | |
305 | lbs_host_to_card_done(priv); | |
965f8bbc LCC |
306 | } |
307 | ||
10078321 | 308 | lbs_prepare_and_send_command(priv, |
965f8bbc | 309 | CMD_802_11_MONITOR_MODE, CMD_ACT_SET, |
aa21c004 | 310 | CMD_OPTION_WAITFORRSP, 0, &priv->monitormode); |
965f8bbc LCC |
311 | return strlen(buf); |
312 | } | |
313 | ||
314 | /** | |
10078321 | 315 | * lbs_rtap attribute to be exported per mshX interface |
965f8bbc LCC |
316 | * through sysfs (/sys/class/net/mshX/libertas-rtap) |
317 | */ | |
10078321 HS |
318 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, |
319 | lbs_rtap_set ); | |
965f8bbc | 320 | |
876c9d3a | 321 | /** |
82fde74b LC |
322 | * anycast_mask attribute to be exported per mshX interface |
323 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 324 | */ |
10078321 | 325 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); |
876c9d3a | 326 | |
10078321 | 327 | static ssize_t lbs_autostart_enabled_get(struct device *dev, |
a9f38d02 LCC |
328 | struct device_attribute *attr, char * buf) |
329 | { | |
301eacbf | 330 | struct lbs_private *priv = to_net_dev(dev)->priv; |
a9f38d02 | 331 | struct cmd_ds_mesh_access mesh_access; |
301eacbf | 332 | int ret; |
a9f38d02 LCC |
333 | |
334 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
a9f38d02 | 335 | |
301eacbf DW |
336 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_AUTOSTART_ENABLED, &mesh_access); |
337 | if (ret) | |
338 | return ret; | |
a9f38d02 LCC |
339 | return sprintf(buf, "%d\n", le32_to_cpu(mesh_access.data[0])); |
340 | } | |
341 | ||
10078321 | 342 | static ssize_t lbs_autostart_enabled_set(struct device *dev, |
a9f38d02 LCC |
343 | struct device_attribute *attr, const char * buf, size_t count) |
344 | { | |
345 | struct cmd_ds_mesh_access mesh_access; | |
346 | uint32_t datum; | |
69f9032d | 347 | struct lbs_private *priv = (to_net_dev(dev))->priv; |
d21b31fd | 348 | int ret; |
a9f38d02 LCC |
349 | |
350 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
351 | sscanf(buf, "%d", &datum); | |
352 | mesh_access.data[0] = cpu_to_le32(datum); | |
353 | ||
301eacbf | 354 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_AUTOSTART_ENABLED, &mesh_access); |
d21b31fd LCC |
355 | if (ret == 0) |
356 | priv->mesh_autostart_enabled = datum ? 1 : 0; | |
357 | ||
a9f38d02 LCC |
358 | return strlen(buf); |
359 | } | |
360 | ||
361 | static DEVICE_ATTR(autostart_enabled, 0644, | |
10078321 | 362 | lbs_autostart_enabled_get, lbs_autostart_enabled_set); |
a9f38d02 | 363 | |
10078321 | 364 | static struct attribute *lbs_mesh_sysfs_entries[] = { |
a9f38d02 LCC |
365 | &dev_attr_anycast_mask.attr, |
366 | &dev_attr_autostart_enabled.attr, | |
367 | NULL, | |
368 | }; | |
369 | ||
10078321 HS |
370 | static struct attribute_group lbs_mesh_attr_group = { |
371 | .attrs = lbs_mesh_sysfs_entries, | |
a9f38d02 LCC |
372 | }; |
373 | ||
876c9d3a | 374 | /** |
8552855f | 375 | * @brief This function opens the ethX or mshX interface |
876c9d3a MT |
376 | * |
377 | * @param dev A pointer to net_device structure | |
8552855f | 378 | * @return 0 or -EBUSY if monitor mode active |
876c9d3a | 379 | */ |
10078321 | 380 | static int lbs_dev_open(struct net_device *dev) |
876c9d3a | 381 | { |
8552855f DW |
382 | struct lbs_private *priv = (struct lbs_private *) dev->priv ; |
383 | int ret = 0; | |
876c9d3a | 384 | |
8552855f | 385 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 386 | |
8552855f DW |
387 | if (priv->monitormode != LBS_MONITOR_OFF) { |
388 | ret = -EBUSY; | |
389 | goto out; | |
390 | } | |
01d77d8d | 391 | |
8552855f DW |
392 | if (dev == priv->mesh_dev) { |
393 | priv->mesh_open = 1; | |
394 | priv->mesh_connect_status = LBS_CONNECTED; | |
395 | netif_carrier_on(dev); | |
396 | } else { | |
397 | priv->infra_open = 1; | |
398 | ||
399 | if (priv->connect_status == LBS_CONNECTED) | |
400 | netif_carrier_on(dev); | |
01d77d8d | 401 | else |
8552855f | 402 | netif_carrier_off(dev); |
51d84f50 | 403 | } |
876c9d3a | 404 | |
8552855f DW |
405 | if (!priv->tx_pending_len) |
406 | netif_wake_queue(dev); | |
407 | out: | |
876c9d3a | 408 | |
8552855f DW |
409 | spin_unlock_irq(&priv->driver_lock); |
410 | return ret; | |
876c9d3a MT |
411 | } |
412 | ||
413 | /** | |
414 | * @brief This function closes the mshX interface | |
415 | * | |
416 | * @param dev A pointer to net_device structure | |
417 | * @return 0 | |
418 | */ | |
8552855f | 419 | static int lbs_mesh_stop(struct net_device *dev) |
876c9d3a | 420 | { |
69f9032d | 421 | struct lbs_private *priv = (struct lbs_private *) (dev->priv); |
876c9d3a | 422 | |
8552855f DW |
423 | spin_lock_irq(&priv->driver_lock); |
424 | ||
876c9d3a | 425 | priv->mesh_open = 0; |
8552855f DW |
426 | priv->mesh_connect_status = LBS_DISCONNECTED; |
427 | ||
428 | netif_stop_queue(dev); | |
429 | netif_carrier_off(dev); | |
430 | ||
431 | spin_unlock_irq(&priv->driver_lock); | |
432 | return 0; | |
876c9d3a MT |
433 | } |
434 | ||
435 | /** | |
436 | * @brief This function closes the ethX interface | |
437 | * | |
438 | * @param dev A pointer to net_device structure | |
439 | * @return 0 | |
440 | */ | |
8552855f | 441 | static int lbs_eth_stop(struct net_device *dev) |
78523daa | 442 | { |
69f9032d | 443 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 444 | |
8552855f DW |
445 | spin_lock_irq(&priv->driver_lock); |
446 | ||
876c9d3a | 447 | priv->infra_open = 0; |
8552855f DW |
448 | |
449 | netif_stop_queue(dev); | |
450 | ||
451 | spin_unlock_irq(&priv->driver_lock); | |
452 | return 0; | |
876c9d3a MT |
453 | } |
454 | ||
10078321 | 455 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 456 | { |
69f9032d | 457 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 458 | |
9012b28a | 459 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 460 | |
9012b28a | 461 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 462 | |
876c9d3a MT |
463 | dev->trans_start = jiffies; |
464 | ||
aa21c004 | 465 | if (priv->currenttxskb) { |
a63b22bb DW |
466 | priv->eventcause = 0x01000000; |
467 | lbs_send_tx_feedback(priv); | |
51d84f50 | 468 | } |
a63b22bb DW |
469 | /* XX: Shouldn't we also call into the hw-specific driver |
470 | to kick it somehow? */ | |
471 | lbs_host_to_card_done(priv); | |
876c9d3a | 472 | |
9012b28a | 473 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
474 | } |
475 | ||
e775ed7c DW |
476 | void lbs_host_to_card_done(struct lbs_private *priv) |
477 | { | |
a63b22bb DW |
478 | unsigned long flags; |
479 | ||
480 | spin_lock_irqsave(&priv->driver_lock, flags); | |
e775ed7c DW |
481 | |
482 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
483 | ||
484 | /* Wake main thread if commands are pending */ | |
aa21c004 | 485 | if (!priv->cur_cmd) |
e775ed7c DW |
486 | wake_up_interruptible(&priv->waitq); |
487 | ||
f86a93e1 | 488 | /* Don't wake netif queues if we're in monitor mode and |
a63b22bb DW |
489 | a TX packet is already pending, or if there are commands |
490 | queued to be sent. */ | |
491 | if (!priv->currenttxskb && list_empty(&priv->cmdpendingq)) { | |
492 | if (priv->dev && priv->connect_status == LBS_CONNECTED) | |
493 | netif_wake_queue(priv->dev); | |
e775ed7c | 494 | |
a63b22bb DW |
495 | if (priv->mesh_dev && priv->mesh_connect_status == LBS_CONNECTED) |
496 | netif_wake_queue(priv->mesh_dev); | |
497 | } | |
498 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
e775ed7c DW |
499 | } |
500 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | |
501 | ||
876c9d3a MT |
502 | /** |
503 | * @brief This function returns the network statistics | |
504 | * | |
69f9032d | 505 | * @param dev A pointer to struct lbs_private structure |
876c9d3a MT |
506 | * @return A pointer to net_device_stats structure |
507 | */ | |
10078321 | 508 | static struct net_device_stats *lbs_get_stats(struct net_device *dev) |
876c9d3a | 509 | { |
69f9032d | 510 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a MT |
511 | |
512 | return &priv->stats; | |
513 | } | |
514 | ||
10078321 | 515 | static int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
516 | { |
517 | int ret = 0; | |
69f9032d | 518 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a MT |
519 | struct sockaddr *phwaddr = addr; |
520 | ||
9012b28a | 521 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 522 | |
0a0d08ac LCCR |
523 | /* In case it was called from the mesh device */ |
524 | dev = priv->dev ; | |
525 | ||
aa21c004 | 526 | memset(priv->current_addr, 0, ETH_ALEN); |
876c9d3a MT |
527 | |
528 | /* dev->dev_addr is 8 bytes */ | |
ece56191 | 529 | lbs_deb_hex(LBS_DEB_NET, "dev->dev_addr", dev->dev_addr, ETH_ALEN); |
876c9d3a | 530 | |
ece56191 | 531 | lbs_deb_hex(LBS_DEB_NET, "addr", phwaddr->sa_data, ETH_ALEN); |
aa21c004 | 532 | memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); |
876c9d3a | 533 | |
10078321 | 534 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS, |
0aef64d7 DW |
535 | CMD_ACT_SET, |
536 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
876c9d3a MT |
537 | |
538 | if (ret) { | |
9012b28a | 539 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
540 | ret = -1; |
541 | goto done; | |
542 | } | |
543 | ||
aa21c004 DW |
544 | lbs_deb_hex(LBS_DEB_NET, "priv->macaddr", priv->current_addr, ETH_ALEN); |
545 | memcpy(dev->dev_addr, priv->current_addr, ETH_ALEN); | |
78523daa | 546 | if (priv->mesh_dev) |
aa21c004 | 547 | memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN); |
876c9d3a MT |
548 | |
549 | done: | |
9012b28a | 550 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
551 | return ret; |
552 | } | |
553 | ||
aa21c004 | 554 | static int lbs_copy_multicast_address(struct lbs_private *priv, |
876c9d3a MT |
555 | struct net_device *dev) |
556 | { | |
557 | int i = 0; | |
558 | struct dev_mc_list *mcptr = dev->mc_list; | |
559 | ||
560 | for (i = 0; i < dev->mc_count; i++) { | |
aa21c004 | 561 | memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); |
876c9d3a MT |
562 | mcptr = mcptr->next; |
563 | } | |
564 | ||
565 | return i; | |
566 | ||
567 | } | |
568 | ||
10078321 | 569 | static void lbs_set_multicast_list(struct net_device *dev) |
876c9d3a | 570 | { |
69f9032d | 571 | struct lbs_private *priv = dev->priv; |
876c9d3a | 572 | int oldpacketfilter; |
0795af57 | 573 | DECLARE_MAC_BUF(mac); |
876c9d3a | 574 | |
9012b28a | 575 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 576 | |
aa21c004 | 577 | oldpacketfilter = priv->currentpacketfilter; |
876c9d3a MT |
578 | |
579 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 580 | lbs_deb_net("enable promiscuous mode\n"); |
aa21c004 | 581 | priv->currentpacketfilter |= |
0aef64d7 | 582 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
aa21c004 | 583 | priv->currentpacketfilter &= |
0aef64d7 DW |
584 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
585 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
586 | } else { |
587 | /* Multicast */ | |
aa21c004 | 588 | priv->currentpacketfilter &= |
0aef64d7 | 589 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
590 | |
591 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
592 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 593 | lbs_deb_net( "enabling all multicast\n"); |
aa21c004 | 594 | priv->currentpacketfilter |= |
0aef64d7 | 595 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
aa21c004 | 596 | priv->currentpacketfilter &= |
0aef64d7 | 597 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a | 598 | } else { |
aa21c004 | 599 | priv->currentpacketfilter &= |
0aef64d7 | 600 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
601 | |
602 | if (!dev->mc_count) { | |
9012b28a HS |
603 | lbs_deb_net("no multicast addresses, " |
604 | "disabling multicast\n"); | |
aa21c004 | 605 | priv->currentpacketfilter &= |
0aef64d7 | 606 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
607 | } else { |
608 | int i; | |
609 | ||
aa21c004 | 610 | priv->currentpacketfilter |= |
0aef64d7 | 611 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a | 612 | |
aa21c004 DW |
613 | priv->nr_of_multicastmacaddr = |
614 | lbs_copy_multicast_address(priv, dev); | |
876c9d3a | 615 | |
9012b28a | 616 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
617 | dev->mc_count); |
618 | ||
619 | for (i = 0; i < dev->mc_count; i++) { | |
0795af57 JP |
620 | lbs_deb_net("Multicast address %d:%s\n", |
621 | i, print_mac(mac, | |
aa21c004 | 622 | priv->multicastlist[i])); |
876c9d3a | 623 | } |
9012b28a | 624 | /* send multicast addresses to firmware */ |
10078321 | 625 | lbs_prepare_and_send_command(priv, |
0aef64d7 DW |
626 | CMD_MAC_MULTICAST_ADR, |
627 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
628 | NULL); |
629 | } | |
630 | } | |
631 | } | |
632 | ||
aa21c004 | 633 | if (priv->currentpacketfilter != oldpacketfilter) { |
10078321 | 634 | lbs_set_mac_packet_filter(priv); |
876c9d3a MT |
635 | } |
636 | ||
9012b28a | 637 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
638 | } |
639 | ||
640 | /** | |
10078321 | 641 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
642 | * It handles all events generated by firmware, RX data received |
643 | * from firmware and TX data sent from kernel. | |
876c9d3a | 644 | * |
10078321 | 645 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
646 | * @return 0 |
647 | */ | |
10078321 | 648 | static int lbs_thread(void *data) |
876c9d3a | 649 | { |
fe336150 | 650 | struct net_device *dev = data; |
69f9032d | 651 | struct lbs_private *priv = dev->priv; |
876c9d3a MT |
652 | wait_queue_t wait; |
653 | u8 ireg = 0; | |
654 | ||
9012b28a | 655 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 656 | |
876c9d3a MT |
657 | init_waitqueue_entry(&wait, current); |
658 | ||
b1b1907d | 659 | set_freezable(); |
59f3e4bf | 660 | |
876c9d3a | 661 | for (;;) { |
b8d40bc9 DW |
662 | int shouldsleep; |
663 | ||
59f3e4bf | 664 | lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 665 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a | 666 | |
fe336150 | 667 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a | 668 | set_current_state(TASK_INTERRUPTIBLE); |
aa21c004 | 669 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 670 | |
b8d40bc9 DW |
671 | if (priv->surpriseremoved) |
672 | shouldsleep = 0; /* Bye */ | |
673 | else if (priv->psstate == PS_STATE_SLEEP) | |
674 | shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */ | |
675 | else if (priv->intcounter) | |
676 | shouldsleep = 0; /* Interrupt pending. Deal with it now */ | |
b15152a4 DW |
677 | else if (!priv->fw_ready) |
678 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ | |
b8d40bc9 DW |
679 | else if (priv->dnld_sent) |
680 | shouldsleep = 1; /* Something is en route to the device already */ | |
2eb188a1 DW |
681 | else if (priv->tx_pending_len > 0) |
682 | shouldsleep = 0; /* We've a packet to send */ | |
b8d40bc9 DW |
683 | else if (priv->cur_cmd) |
684 | shouldsleep = 1; /* Can't send a command; one already running */ | |
685 | else if (!list_empty(&priv->cmdpendingq)) | |
686 | shouldsleep = 0; /* We have a command to send */ | |
687 | else | |
688 | shouldsleep = 1; /* No command */ | |
689 | ||
690 | if (shouldsleep) { | |
59f3e4bf | 691 | lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
aa21c004 DW |
692 | priv->connect_status, priv->intcounter, |
693 | priv->psmode, priv->psstate); | |
694 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
695 | schedule(); |
696 | } else | |
aa21c004 | 697 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 698 | |
59f3e4bf | 699 | lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 700 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
701 | |
702 | set_current_state(TASK_RUNNING); | |
fe336150 | 703 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
704 | try_to_freeze(); |
705 | ||
59f3e4bf | 706 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 707 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a | 708 | |
aa21c004 | 709 | if (kthread_should_stop() || priv->surpriseremoved) { |
59f3e4bf | 710 | lbs_deb_thread("main-thread: break from main thread: surpriseremoved=0x%x\n", |
aa21c004 | 711 | priv->surpriseremoved); |
876c9d3a MT |
712 | break; |
713 | } | |
714 | ||
715 | ||
aa21c004 | 716 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 717 | |
aa21c004 | 718 | if (priv->intcounter) { |
876c9d3a | 719 | u8 int_status; |
59f3e4bf | 720 | |
aa21c004 | 721 | priv->intcounter = 0; |
208fdd2f | 722 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
723 | |
724 | if (int_status) { | |
59f3e4bf | 725 | lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n"); |
aa21c004 | 726 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
727 | continue; |
728 | } | |
aa21c004 | 729 | priv->hisregcpy |= ireg; |
876c9d3a MT |
730 | } |
731 | ||
59f3e4bf | 732 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 733 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
734 | |
735 | /* command response? */ | |
aa21c004 | 736 | if (priv->hisregcpy & MRVDRV_CMD_UPLD_RDY) { |
9012b28a | 737 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a | 738 | |
aa21c004 DW |
739 | priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
740 | spin_unlock_irq(&priv->driver_lock); | |
10078321 | 741 | lbs_process_rx_command(priv); |
aa21c004 | 742 | spin_lock_irq(&priv->driver_lock); |
876c9d3a MT |
743 | } |
744 | ||
745 | /* Any Card Event */ | |
aa21c004 | 746 | if (priv->hisregcpy & MRVDRV_CARDEVENT) { |
9012b28a | 747 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a | 748 | |
aa21c004 | 749 | priv->hisregcpy &= ~MRVDRV_CARDEVENT; |
876c9d3a | 750 | |
208fdd2f | 751 | if (priv->hw_read_event_cause(priv)) { |
59f3e4bf | 752 | lbs_pr_alert("main-thread: hw_read_event_cause failed\n"); |
aa21c004 | 753 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
754 | continue; |
755 | } | |
aa21c004 | 756 | spin_unlock_irq(&priv->driver_lock); |
10078321 | 757 | lbs_process_event(priv); |
876c9d3a | 758 | } else |
aa21c004 | 759 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 760 | |
b15152a4 DW |
761 | if (!priv->fw_ready) |
762 | continue; | |
763 | ||
876c9d3a | 764 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
765 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
766 | !priv->dnld_sent && !priv->cur_cmd) { | |
767 | if (priv->connect_status == LBS_CONNECTED) { | |
59f3e4bf | 768 | lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n", |
aa21c004 | 769 | priv->intcounter, priv->currenttxskb, priv->dnld_sent, priv->cur_cmd); |
59f3e4bf | 770 | |
aa21c004 | 771 | lbs_ps_confirm_sleep(priv, (u16) priv->psmode); |
59f3e4bf DW |
772 | } else { |
773 | /* workaround for firmware sending | |
774 | * deauth/linkloss event immediately | |
775 | * after sleep request; remove this | |
776 | * after firmware fixes it | |
777 | */ | |
aa21c004 | 778 | priv->psstate = PS_STATE_AWAKE; |
59f3e4bf | 779 | lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n"); |
876c9d3a MT |
780 | } |
781 | } | |
782 | ||
783 | /* The PS state is changed during processing of Sleep Request | |
784 | * event above | |
785 | */ | |
aa21c004 DW |
786 | if ((priv->psstate == PS_STATE_SLEEP) || |
787 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
788 | continue; |
789 | ||
790 | /* Execute the next command */ | |
aa21c004 | 791 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 792 | lbs_execute_next_command(priv); |
876c9d3a MT |
793 | |
794 | /* Wake-up command waiters which can't sleep in | |
10078321 | 795 | * lbs_prepare_and_send_command |
876c9d3a | 796 | */ |
aa21c004 DW |
797 | if (!list_empty(&priv->cmdpendingq)) |
798 | wake_up_all(&priv->cmd_pending); | |
2eb188a1 DW |
799 | |
800 | spin_lock_irq(&priv->driver_lock); | |
801 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
802 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
803 | priv->tx_pending_buf, | |
804 | priv->tx_pending_len); | |
805 | if (ret) { | |
806 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
807 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
808 | } | |
809 | priv->tx_pending_len = 0; | |
810 | if (!priv->currenttxskb) { | |
811 | /* We can wake the queues immediately if we aren't | |
812 | waiting for TX feedback */ | |
813 | if (priv->connect_status == LBS_CONNECTED) | |
814 | netif_wake_queue(priv->dev); | |
815 | if (priv->mesh_dev && | |
816 | priv->mesh_connect_status == LBS_CONNECTED) | |
817 | netif_wake_queue(priv->mesh_dev); | |
818 | } | |
819 | } | |
820 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
821 | } |
822 | ||
aa21c004 DW |
823 | del_timer(&priv->command_timer); |
824 | wake_up_all(&priv->cmd_pending); | |
876c9d3a | 825 | |
9012b28a | 826 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
827 | return 0; |
828 | } | |
829 | ||
1df4e8fe HS |
830 | /** |
831 | * @brief This function downloads firmware image, gets | |
832 | * HW spec from firmware and set basic parameters to | |
833 | * firmware. | |
834 | * | |
69f9032d | 835 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
836 | * @return 0 or -1 |
837 | */ | |
69f9032d | 838 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
839 | { |
840 | int ret = -1; | |
d21b31fd | 841 | struct cmd_ds_mesh_access mesh_access; |
1df4e8fe HS |
842 | |
843 | lbs_deb_enter(LBS_DEB_FW); | |
844 | ||
1df4e8fe HS |
845 | /* |
846 | * Read MAC address from HW | |
847 | */ | |
aa21c004 | 848 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 849 | ret = lbs_update_hw_spec(priv); |
1df4e8fe HS |
850 | if (ret) { |
851 | ret = -1; | |
852 | goto done; | |
853 | } | |
854 | ||
10078321 | 855 | lbs_set_mac_packet_filter(priv); |
1df4e8fe | 856 | |
8e3c91bb DW |
857 | ret = lbs_get_data_rate(priv); |
858 | if (ret < 0) { | |
1df4e8fe HS |
859 | ret = -1; |
860 | goto done; | |
861 | } | |
862 | ||
d21b31fd LCC |
863 | /* Disable mesh autostart */ |
864 | if (priv->mesh_dev) { | |
865 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
866 | mesh_access.data[0] = cpu_to_le32(0); | |
301eacbf DW |
867 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_AUTOSTART_ENABLED, |
868 | &mesh_access); | |
d21b31fd LCC |
869 | if (ret) { |
870 | ret = -1; | |
871 | goto done; | |
872 | } | |
873 | priv->mesh_autostart_enabled = 0; | |
874 | } | |
875 | ||
1df4e8fe HS |
876 | ret = 0; |
877 | done: | |
878 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
879 | return ret; | |
880 | } | |
881 | ||
1df4e8fe HS |
882 | /** |
883 | * This function handles the timeout of command sending. | |
884 | * It will re-send the same command again. | |
885 | */ | |
886 | static void command_timer_fn(unsigned long data) | |
887 | { | |
69f9032d | 888 | struct lbs_private *priv = (struct lbs_private *)data; |
ddac4526 | 889 | struct cmd_ctrl_node *node; |
1df4e8fe HS |
890 | unsigned long flags; |
891 | ||
ddac4526 DW |
892 | node = priv->cur_cmd; |
893 | if (node == NULL) { | |
1df4e8fe HS |
894 | lbs_deb_fw("ptempnode empty\n"); |
895 | return; | |
896 | } | |
897 | ||
ddac4526 | 898 | if (!node->cmdbuf) { |
1df4e8fe HS |
899 | lbs_deb_fw("cmd is NULL\n"); |
900 | return; | |
901 | } | |
902 | ||
ddac4526 | 903 | lbs_deb_fw("command_timer_fn fired, cmd %x\n", node->cmdbuf->command); |
1df4e8fe | 904 | |
aa21c004 | 905 | if (!priv->fw_ready) |
1df4e8fe HS |
906 | return; |
907 | ||
aa21c004 DW |
908 | spin_lock_irqsave(&priv->driver_lock, flags); |
909 | priv->cur_cmd = NULL; | |
910 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1df4e8fe HS |
911 | |
912 | lbs_deb_fw("re-sending same command because of timeout\n"); | |
ddac4526 | 913 | lbs_queue_cmd(priv, node, 0); |
1df4e8fe HS |
914 | |
915 | wake_up_interruptible(&priv->waitq); | |
916 | ||
917 | return; | |
918 | } | |
919 | ||
69f9032d | 920 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 921 | { |
1df4e8fe | 922 | size_t bufsize; |
954ee164 | 923 | int i, ret = 0; |
1df4e8fe HS |
924 | |
925 | /* Allocate buffer to store the BSSID list */ | |
926 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
aa21c004 DW |
927 | priv->networks = kzalloc(bufsize, GFP_KERNEL); |
928 | if (!priv->networks) { | |
1df4e8fe | 929 | lbs_pr_err("Out of memory allocating beacons\n"); |
954ee164 DW |
930 | ret = -1; |
931 | goto out; | |
1df4e8fe HS |
932 | } |
933 | ||
954ee164 | 934 | /* Initialize scan result lists */ |
aa21c004 DW |
935 | INIT_LIST_HEAD(&priv->network_free_list); |
936 | INIT_LIST_HEAD(&priv->network_list); | |
954ee164 | 937 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
aa21c004 DW |
938 | list_add_tail(&priv->networks[i].list, |
939 | &priv->network_free_list); | |
954ee164 | 940 | } |
1df4e8fe | 941 | |
aa21c004 DW |
942 | priv->lbs_ps_confirm_sleep.seqnum = cpu_to_le16(++priv->seqnum); |
943 | priv->lbs_ps_confirm_sleep.command = | |
1df4e8fe | 944 | cpu_to_le16(CMD_802_11_PS_MODE); |
aa21c004 | 945 | priv->lbs_ps_confirm_sleep.size = |
1df4e8fe | 946 | cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep)); |
aa21c004 | 947 | priv->lbs_ps_confirm_sleep.action = |
1df4e8fe HS |
948 | cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); |
949 | ||
aa21c004 | 950 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 951 | |
aa21c004 DW |
952 | priv->connect_status = LBS_DISCONNECTED; |
953 | priv->mesh_connect_status = LBS_DISCONNECTED; | |
954 | priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; | |
955 | priv->mode = IW_MODE_INFRA; | |
956 | priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; | |
957 | priv->currentpacketfilter = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; | |
958 | priv->radioon = RADIO_ON; | |
959 | priv->auto_rate = 1; | |
960 | priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; | |
961 | priv->psmode = LBS802_11POWERMODECAM; | |
962 | priv->psstate = PS_STATE_FULL_POWER; | |
1df4e8fe | 963 | |
aa21c004 | 964 | mutex_init(&priv->lock); |
1df4e8fe | 965 | |
aa21c004 | 966 | setup_timer(&priv->command_timer, command_timer_fn, |
954ee164 | 967 | (unsigned long)priv); |
1df4e8fe | 968 | |
aa21c004 DW |
969 | INIT_LIST_HEAD(&priv->cmdfreeq); |
970 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 971 | |
aa21c004 DW |
972 | spin_lock_init(&priv->driver_lock); |
973 | init_waitqueue_head(&priv->cmd_pending); | |
1df4e8fe | 974 | |
954ee164 | 975 | /* Allocate the command buffers */ |
10078321 | 976 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 DW |
977 | lbs_pr_err("Out of memory allocating command buffers\n"); |
978 | ret = -1; | |
979 | } | |
1df4e8fe | 980 | |
954ee164 DW |
981 | out: |
982 | return ret; | |
983 | } | |
1df4e8fe | 984 | |
69f9032d | 985 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 986 | { |
954ee164 | 987 | lbs_deb_fw("free command buffer\n"); |
10078321 | 988 | lbs_free_cmd_buffer(priv); |
1df4e8fe | 989 | |
954ee164 | 990 | lbs_deb_fw("free command_timer\n"); |
aa21c004 | 991 | del_timer(&priv->command_timer); |
954ee164 DW |
992 | |
993 | lbs_deb_fw("free scan results table\n"); | |
aa21c004 DW |
994 | kfree(priv->networks); |
995 | priv->networks = NULL; | |
1df4e8fe HS |
996 | } |
997 | ||
876c9d3a MT |
998 | /** |
999 | * @brief This function adds the card. it will probe the | |
10078321 | 1000 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1001 | * |
1002 | * @param card A pointer to card | |
69f9032d | 1003 | * @return A pointer to struct lbs_private structure |
876c9d3a | 1004 | */ |
69f9032d | 1005 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1006 | { |
1007 | struct net_device *dev = NULL; | |
69f9032d | 1008 | struct lbs_private *priv = NULL; |
876c9d3a | 1009 | |
9012b28a | 1010 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
1011 | |
1012 | /* Allocate an Ethernet device and register it */ | |
69f9032d HS |
1013 | dev = alloc_etherdev(sizeof(struct lbs_private)); |
1014 | if (!dev) { | |
9012b28a | 1015 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1016 | goto done; |
876c9d3a | 1017 | } |
64f104e8 | 1018 | priv = dev->priv; |
876c9d3a | 1019 | |
10078321 | 1020 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1021 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1022 | goto err_init_adapter; | |
1023 | } | |
1024 | ||
634b8f49 HS |
1025 | priv->dev = dev; |
1026 | priv->card = card; | |
876c9d3a MT |
1027 | priv->mesh_open = 0; |
1028 | priv->infra_open = 0; | |
876c9d3a | 1029 | |
876c9d3a | 1030 | /* Setup the OS Interface to our functions */ |
8552855f | 1031 | dev->open = lbs_dev_open; |
198cefb9 | 1032 | dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1033 | dev->stop = lbs_eth_stop; |
10078321 HS |
1034 | dev->set_mac_address = lbs_set_mac_address; |
1035 | dev->tx_timeout = lbs_tx_timeout; | |
1036 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1037 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1038 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1039 | #ifdef WIRELESS_EXT |
10078321 | 1040 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1041 | #endif |
876c9d3a | 1042 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1043 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1044 | |
7732ca45 DW |
1045 | SET_NETDEV_DEV(dev, dmdev); |
1046 | ||
965f8bbc | 1047 | priv->rtap_net_dev = NULL; |
954ee164 DW |
1048 | |
1049 | lbs_deb_thread("Starting main thread...\n"); | |
1050 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1051 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1052 | if (IS_ERR(priv->main_thread)) { |
1053 | lbs_deb_thread("Error creating main thread.\n"); | |
e7deced0 | 1054 | goto err_init_adapter; |
954ee164 DW |
1055 | } |
1056 | ||
10078321 HS |
1057 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1058 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1059 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
1060 | INIT_WORK(&priv->sync_channel, lbs_sync_channel); | |
954ee164 | 1061 | |
32a74b7c HS |
1062 | goto done; |
1063 | ||
954ee164 | 1064 | err_init_adapter: |
10078321 | 1065 | lbs_free_adapter(priv); |
32a74b7c | 1066 | free_netdev(dev); |
6a812157 | 1067 | priv = NULL; |
954ee164 | 1068 | |
32a74b7c HS |
1069 | done: |
1070 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
1071 | return priv; | |
1072 | } | |
10078321 | 1073 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1074 | |
954ee164 | 1075 | |
69f9032d | 1076 | int lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 1077 | { |
634b8f49 | 1078 | struct net_device *dev = priv->dev; |
954ee164 | 1079 | union iwreq_data wrqu; |
32a74b7c HS |
1080 | |
1081 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1082 | |
10078321 | 1083 | lbs_remove_rtap(priv); |
876c9d3a | 1084 | |
954ee164 | 1085 | dev = priv->dev; |
2afc0c5d | 1086 | |
954ee164 DW |
1087 | cancel_delayed_work(&priv->scan_work); |
1088 | cancel_delayed_work(&priv->assoc_work); | |
1089 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1090 | |
aa21c004 DW |
1091 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
1092 | priv->psmode = LBS802_11POWERMODECAM; | |
10078321 | 1093 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); |
876c9d3a MT |
1094 | } |
1095 | ||
954ee164 DW |
1096 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1097 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1098 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1099 | ||
1100 | /* Stop the thread servicing the interrupts */ | |
aa21c004 | 1101 | priv->surpriseremoved = 1; |
954ee164 DW |
1102 | kthread_stop(priv->main_thread); |
1103 | ||
10078321 | 1104 | lbs_free_adapter(priv); |
954ee164 DW |
1105 | |
1106 | priv->dev = NULL; | |
1107 | free_netdev(dev); | |
1108 | ||
1109 | lbs_deb_leave(LBS_DEB_MAIN); | |
1110 | return 0; | |
1111 | } | |
10078321 | 1112 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1113 | |
1114 | ||
69f9032d | 1115 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
1116 | { |
1117 | struct net_device *dev = priv->dev; | |
1118 | int ret = -1; | |
1119 | ||
1120 | lbs_deb_enter(LBS_DEB_MAIN); | |
1121 | ||
1122 | /* poke the firmware */ | |
10078321 | 1123 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1124 | if (ret) |
1125 | goto done; | |
1126 | ||
1127 | /* init 802.11d */ | |
10078321 | 1128 | lbs_init_11d(priv); |
876c9d3a MT |
1129 | |
1130 | if (register_netdev(dev)) { | |
9012b28a | 1131 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1132 | goto done; |
876c9d3a | 1133 | } |
e7deced0 DW |
1134 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1135 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | |
876c9d3a | 1136 | |
10078321 | 1137 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1138 | |
954ee164 DW |
1139 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1140 | ||
32a74b7c | 1141 | ret = 0; |
876c9d3a | 1142 | |
32a74b7c | 1143 | done: |
954ee164 DW |
1144 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1145 | return ret; | |
1146 | } | |
10078321 | 1147 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1148 | |
1149 | ||
69f9032d | 1150 | int lbs_stop_card(struct lbs_private *priv) |
954ee164 DW |
1151 | { |
1152 | struct net_device *dev = priv->dev; | |
1153 | int ret = -1; | |
1154 | struct cmd_ctrl_node *cmdnode; | |
1155 | unsigned long flags; | |
1156 | ||
1157 | lbs_deb_enter(LBS_DEB_MAIN); | |
1158 | ||
1159 | netif_stop_queue(priv->dev); | |
1160 | netif_carrier_off(priv->dev); | |
1161 | ||
10078321 | 1162 | lbs_debugfs_remove_one(priv); |
10bca0d5 | 1163 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
954ee164 DW |
1164 | |
1165 | /* Flush pending command nodes */ | |
aa21c004 DW |
1166 | spin_lock_irqsave(&priv->driver_lock, flags); |
1167 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { | |
954ee164 DW |
1168 | cmdnode->cmdwaitqwoken = 1; |
1169 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1170 | } | |
aa21c004 | 1171 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1172 | |
1173 | unregister_netdev(dev); | |
1174 | ||
1175 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
32a74b7c | 1176 | return ret; |
876c9d3a | 1177 | } |
10078321 | 1178 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1179 | |
876c9d3a | 1180 | |
78523daa HS |
1181 | /** |
1182 | * @brief This function adds mshX interface | |
1183 | * | |
69f9032d | 1184 | * @param priv A pointer to the struct lbs_private structure |
78523daa HS |
1185 | * @return 0 if successful, -X otherwise |
1186 | */ | |
69f9032d | 1187 | int lbs_add_mesh(struct lbs_private *priv, struct device *dev) |
78523daa HS |
1188 | { |
1189 | struct net_device *mesh_dev = NULL; | |
1190 | int ret = 0; | |
1191 | ||
1192 | lbs_deb_enter(LBS_DEB_MESH); | |
1193 | ||
1194 | /* Allocate a virtual mesh device */ | |
1195 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1196 | lbs_deb_mesh("init mshX device failed\n"); | |
1197 | ret = -ENOMEM; | |
1198 | goto done; | |
1199 | } | |
1200 | mesh_dev->priv = priv; | |
1201 | priv->mesh_dev = mesh_dev; | |
1202 | ||
8552855f | 1203 | mesh_dev->open = lbs_dev_open; |
198cefb9 | 1204 | mesh_dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1205 | mesh_dev->stop = lbs_mesh_stop; |
10078321 HS |
1206 | mesh_dev->get_stats = lbs_get_stats; |
1207 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1208 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1209 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1210 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1211 | |
7732ca45 DW |
1212 | SET_NETDEV_DEV(priv->mesh_dev, dev); |
1213 | ||
78523daa | 1214 | #ifdef WIRELESS_EXT |
f5e05b69 | 1215 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1216 | #endif |
78523daa HS |
1217 | /* Register virtual mesh interface */ |
1218 | ret = register_netdev(mesh_dev); | |
1219 | if (ret) { | |
1220 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1221 | goto err_free; | |
1222 | } | |
1223 | ||
10078321 | 1224 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1225 | if (ret) |
1226 | goto err_unregister; | |
1227 | ||
1228 | /* Everything successful */ | |
1229 | ret = 0; | |
1230 | goto done; | |
1231 | ||
78523daa HS |
1232 | err_unregister: |
1233 | unregister_netdev(mesh_dev); | |
1234 | ||
1235 | err_free: | |
1236 | free_netdev(mesh_dev); | |
1237 | ||
1238 | done: | |
1239 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1240 | return ret; | |
1241 | } | |
10078321 | 1242 | EXPORT_SYMBOL_GPL(lbs_add_mesh); |
78523daa | 1243 | |
084708b6 | 1244 | |
69f9032d | 1245 | void lbs_remove_mesh(struct lbs_private *priv) |
78523daa HS |
1246 | { |
1247 | struct net_device *mesh_dev; | |
1248 | ||
954ee164 | 1249 | lbs_deb_enter(LBS_DEB_MAIN); |
78523daa HS |
1250 | |
1251 | if (!priv) | |
1252 | goto out; | |
1253 | ||
1254 | mesh_dev = priv->mesh_dev; | |
1255 | ||
1256 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1257 | netif_carrier_off(priv->mesh_dev); |
78523daa | 1258 | |
10078321 | 1259 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1260 | unregister_netdev(mesh_dev); |
1261 | ||
1262 | priv->mesh_dev = NULL ; | |
1263 | free_netdev(mesh_dev); | |
1264 | ||
1265 | out: | |
954ee164 | 1266 | lbs_deb_leave(LBS_DEB_MAIN); |
78523daa | 1267 | } |
10078321 | 1268 | EXPORT_SYMBOL_GPL(lbs_remove_mesh); |
78523daa | 1269 | |
876c9d3a MT |
1270 | /** |
1271 | * @brief This function finds the CFP in | |
1272 | * region_cfp_table based on region and band parameter. | |
1273 | * | |
1274 | * @param region The region code | |
1275 | * @param band The band | |
1276 | * @param cfp_no A pointer to CFP number | |
1277 | * @return A pointer to CFP | |
1278 | */ | |
10078321 | 1279 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, u8 band, int *cfp_no) |
876c9d3a MT |
1280 | { |
1281 | int i, end; | |
1282 | ||
9012b28a | 1283 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1284 | |
ff8ac609 | 1285 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1286 | |
1287 | for (i = 0; i < end ; i++) { | |
9012b28a | 1288 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1289 | region_cfp_table[i].region); |
1290 | if (region_cfp_table[i].region == region) { | |
1291 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1292 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1293 | return region_cfp_table[i].cfp_BG; |
1294 | } | |
1295 | } | |
1296 | ||
9012b28a | 1297 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1298 | return NULL; |
1299 | } | |
1300 | ||
69f9032d | 1301 | int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1302 | { |
9012b28a | 1303 | int ret = 0; |
876c9d3a MT |
1304 | int i = 0; |
1305 | ||
1306 | struct chan_freq_power *cfp; | |
1307 | int cfp_no; | |
1308 | ||
9012b28a | 1309 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1310 | |
aa21c004 | 1311 | memset(priv->region_channel, 0, sizeof(priv->region_channel)); |
876c9d3a MT |
1312 | |
1313 | { | |
10078321 | 1314 | cfp = lbs_get_region_cfp_table(region, band, &cfp_no); |
876c9d3a | 1315 | if (cfp != NULL) { |
aa21c004 DW |
1316 | priv->region_channel[i].nrcfp = cfp_no; |
1317 | priv->region_channel[i].CFP = cfp; | |
876c9d3a | 1318 | } else { |
9012b28a | 1319 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1320 | region); |
9012b28a HS |
1321 | ret = -1; |
1322 | goto out; | |
876c9d3a | 1323 | } |
aa21c004 DW |
1324 | priv->region_channel[i].valid = 1; |
1325 | priv->region_channel[i].region = region; | |
1326 | priv->region_channel[i].band = band; | |
876c9d3a MT |
1327 | i++; |
1328 | } | |
9012b28a HS |
1329 | out: |
1330 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1331 | return ret; | |
876c9d3a MT |
1332 | } |
1333 | ||
1334 | /** | |
1335 | * @brief This function handles the interrupt. it will change PS | |
1336 | * state if applicable. it will wake up main_thread to handle | |
1337 | * the interrupt event as well. | |
1338 | * | |
1339 | * @param dev A pointer to net_device structure | |
1340 | * @return n/a | |
1341 | */ | |
4f679496 | 1342 | void lbs_interrupt(struct lbs_private *priv) |
876c9d3a | 1343 | { |
ed37b516 | 1344 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1345 | |
4f679496 DW |
1346 | lbs_deb_thread("lbs_interrupt: intcounter=%d\n", priv->intcounter); |
1347 | ||
1348 | if (spin_trylock(&priv->driver_lock)) { | |
1349 | spin_unlock(&priv->driver_lock); | |
1350 | printk(KERN_CRIT "%s called without driver_lock held\n", __func__); | |
1351 | WARN_ON(1); | |
1352 | } | |
876c9d3a | 1353 | |
aa21c004 | 1354 | priv->intcounter++; |
876c9d3a | 1355 | |
4f679496 | 1356 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1357 | priv->psstate = PS_STATE_AWAKE; |
876c9d3a | 1358 | |
fe336150 | 1359 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1360 | |
ed37b516 | 1361 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1362 | } |
10078321 | 1363 | EXPORT_SYMBOL_GPL(lbs_interrupt); |
876c9d3a | 1364 | |
69f9032d | 1365 | int lbs_reset_device(struct lbs_private *priv) |
eedc2a31 DW |
1366 | { |
1367 | int ret; | |
1368 | ||
1369 | lbs_deb_enter(LBS_DEB_MAIN); | |
10078321 | 1370 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_RESET, |
eedc2a31 DW |
1371 | CMD_ACT_HALT, 0, 0, NULL); |
1372 | msleep_interruptible(10); | |
1373 | ||
1374 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1375 | return ret; | |
1376 | } | |
10078321 | 1377 | EXPORT_SYMBOL_GPL(lbs_reset_device); |
eedc2a31 | 1378 | |
4fb910fd | 1379 | static int __init lbs_init_module(void) |
876c9d3a | 1380 | { |
9012b28a | 1381 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1382 | lbs_debugfs_init(); |
084708b6 HS |
1383 | lbs_deb_leave(LBS_DEB_MAIN); |
1384 | return 0; | |
876c9d3a MT |
1385 | } |
1386 | ||
4fb910fd | 1387 | static void __exit lbs_exit_module(void) |
876c9d3a | 1388 | { |
9012b28a | 1389 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1390 | |
10078321 | 1391 | lbs_debugfs_remove(); |
876c9d3a | 1392 | |
9012b28a | 1393 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1394 | } |
1395 | ||
965f8bbc LCC |
1396 | /* |
1397 | * rtap interface support fuctions | |
1398 | */ | |
1399 | ||
10078321 | 1400 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc | 1401 | { |
8552855f | 1402 | /* Yes, _stop_ the queue. Because we don't support injection */ |
965f8bbc LCC |
1403 | netif_carrier_off(dev); |
1404 | netif_stop_queue(dev); | |
1405 | return 0; | |
1406 | } | |
1407 | ||
10078321 | 1408 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc LCC |
1409 | { |
1410 | return 0; | |
1411 | } | |
1412 | ||
10078321 | 1413 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc LCC |
1414 | { |
1415 | netif_stop_queue(dev); | |
8552855f | 1416 | return NETDEV_TX_BUSY; |
965f8bbc LCC |
1417 | } |
1418 | ||
10078321 | 1419 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1420 | { |
69f9032d | 1421 | struct lbs_private *priv = dev->priv; |
d9268fb9 | 1422 | return &priv->stats; |
965f8bbc LCC |
1423 | } |
1424 | ||
1425 | ||
69f9032d | 1426 | void lbs_remove_rtap(struct lbs_private *priv) |
965f8bbc LCC |
1427 | { |
1428 | if (priv->rtap_net_dev == NULL) | |
1429 | return; | |
1430 | unregister_netdev(priv->rtap_net_dev); | |
d9268fb9 | 1431 | free_netdev(priv->rtap_net_dev); |
965f8bbc LCC |
1432 | priv->rtap_net_dev = NULL; |
1433 | } | |
1434 | ||
69f9032d | 1435 | int lbs_add_rtap(struct lbs_private *priv) |
965f8bbc LCC |
1436 | { |
1437 | int rc = 0; | |
d9268fb9 | 1438 | struct net_device *rtap_dev; |
965f8bbc LCC |
1439 | |
1440 | if (priv->rtap_net_dev) | |
1441 | return -EPERM; | |
1442 | ||
d9268fb9 DW |
1443 | rtap_dev = alloc_netdev(0, "rtap%d", ether_setup); |
1444 | if (rtap_dev == NULL) | |
965f8bbc LCC |
1445 | return -ENOMEM; |
1446 | ||
121947c6 | 1447 | memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN); |
d9268fb9 DW |
1448 | rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP; |
1449 | rtap_dev->open = lbs_rtap_open; | |
1450 | rtap_dev->stop = lbs_rtap_stop; | |
1451 | rtap_dev->get_stats = lbs_rtap_get_stats; | |
1452 | rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1453 | rtap_dev->set_multicast_list = lbs_set_multicast_list; | |
1454 | rtap_dev->priv = priv; | |
965f8bbc | 1455 | |
d9268fb9 | 1456 | rc = register_netdev(rtap_dev); |
965f8bbc | 1457 | if (rc) { |
d9268fb9 | 1458 | free_netdev(rtap_dev); |
965f8bbc LCC |
1459 | return rc; |
1460 | } | |
d9268fb9 | 1461 | priv->rtap_net_dev = rtap_dev; |
965f8bbc LCC |
1462 | |
1463 | return 0; | |
1464 | } | |
1465 | ||
1466 | ||
10078321 HS |
1467 | module_init(lbs_init_module); |
1468 | module_exit(lbs_exit_module); | |
876c9d3a | 1469 | |
084708b6 | 1470 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1471 | MODULE_AUTHOR("Marvell International Ltd."); |
1472 | MODULE_LICENSE("GPL"); |