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 | 8 | #include <linux/delay.h> |
876c9d3a MT |
9 | #include <linux/etherdevice.h> |
10 | #include <linux/netdevice.h> | |
11 | #include <linux/if_arp.h> | |
fe336150 | 12 | #include <linux/kthread.h> |
876c9d3a MT |
13 | |
14 | #include <net/iw_handler.h> | |
9012b28a | 15 | #include <net/ieee80211.h> |
876c9d3a MT |
16 | |
17 | #include "host.h" | |
876c9d3a MT |
18 | #include "decl.h" |
19 | #include "dev.h" | |
876c9d3a MT |
20 | #include "wext.h" |
21 | #include "debugfs.h" | |
22 | #include "assoc.h" | |
6e66f03f | 23 | #include "cmd.h" |
876c9d3a | 24 | |
7856a541 | 25 | #define DRIVER_RELEASE_VERSION "323.p0" |
10078321 | 26 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
3ce40232 DW |
27 | #ifdef DEBUG |
28 | "-dbg" | |
29 | #endif | |
30 | ""; | |
31 | ||
a46c6410 HS |
32 | |
33 | /* Module parameters */ | |
10078321 HS |
34 | unsigned int lbs_debug; |
35 | EXPORT_SYMBOL_GPL(lbs_debug); | |
36 | module_param_named(libertas_debug, lbs_debug, int, 0644); | |
a46c6410 HS |
37 | |
38 | ||
f539f2ef HS |
39 | /* This global structure is used to send the confirm_sleep command as |
40 | * fast as possible down to the firmware. */ | |
41 | struct cmd_confirm_sleep confirm_sleep; | |
42 | ||
43 | ||
10078321 HS |
44 | #define LBS_TX_PWR_DEFAULT 20 /*100mW */ |
45 | #define LBS_TX_PWR_US_DEFAULT 20 /*100mW */ | |
46 | #define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
47 | #define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
48 | #define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
876c9d3a MT |
49 | |
50 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
51 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
52 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
10078321 HS |
53 | {1, 2412, LBS_TX_PWR_US_DEFAULT}, |
54 | {2, 2417, LBS_TX_PWR_US_DEFAULT}, | |
55 | {3, 2422, LBS_TX_PWR_US_DEFAULT}, | |
56 | {4, 2427, LBS_TX_PWR_US_DEFAULT}, | |
57 | {5, 2432, LBS_TX_PWR_US_DEFAULT}, | |
58 | {6, 2437, LBS_TX_PWR_US_DEFAULT}, | |
59 | {7, 2442, LBS_TX_PWR_US_DEFAULT}, | |
60 | {8, 2447, LBS_TX_PWR_US_DEFAULT}, | |
61 | {9, 2452, LBS_TX_PWR_US_DEFAULT}, | |
62 | {10, 2457, LBS_TX_PWR_US_DEFAULT}, | |
63 | {11, 2462, LBS_TX_PWR_US_DEFAULT} | |
876c9d3a MT |
64 | }; |
65 | ||
66 | /* band: 'B/G', region: Europe ETSI */ | |
67 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
10078321 HS |
68 | {1, 2412, LBS_TX_PWR_EMEA_DEFAULT}, |
69 | {2, 2417, LBS_TX_PWR_EMEA_DEFAULT}, | |
70 | {3, 2422, LBS_TX_PWR_EMEA_DEFAULT}, | |
71 | {4, 2427, LBS_TX_PWR_EMEA_DEFAULT}, | |
72 | {5, 2432, LBS_TX_PWR_EMEA_DEFAULT}, | |
73 | {6, 2437, LBS_TX_PWR_EMEA_DEFAULT}, | |
74 | {7, 2442, LBS_TX_PWR_EMEA_DEFAULT}, | |
75 | {8, 2447, LBS_TX_PWR_EMEA_DEFAULT}, | |
76 | {9, 2452, LBS_TX_PWR_EMEA_DEFAULT}, | |
77 | {10, 2457, LBS_TX_PWR_EMEA_DEFAULT}, | |
78 | {11, 2462, LBS_TX_PWR_EMEA_DEFAULT}, | |
79 | {12, 2467, LBS_TX_PWR_EMEA_DEFAULT}, | |
80 | {13, 2472, LBS_TX_PWR_EMEA_DEFAULT} | |
876c9d3a MT |
81 | }; |
82 | ||
83 | /* band: 'B/G', region: Spain */ | |
84 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
10078321 HS |
85 | {10, 2457, LBS_TX_PWR_DEFAULT}, |
86 | {11, 2462, LBS_TX_PWR_DEFAULT} | |
876c9d3a MT |
87 | }; |
88 | ||
89 | /* band: 'B/G', region: France */ | |
90 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
10078321 HS |
91 | {10, 2457, LBS_TX_PWR_FR_DEFAULT}, |
92 | {11, 2462, LBS_TX_PWR_FR_DEFAULT}, | |
93 | {12, 2467, LBS_TX_PWR_FR_DEFAULT}, | |
94 | {13, 2472, LBS_TX_PWR_FR_DEFAULT} | |
876c9d3a MT |
95 | }; |
96 | ||
97 | /* band: 'B/G', region: Japan */ | |
98 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
10078321 HS |
99 | {1, 2412, LBS_TX_PWR_JP_DEFAULT}, |
100 | {2, 2417, LBS_TX_PWR_JP_DEFAULT}, | |
101 | {3, 2422, LBS_TX_PWR_JP_DEFAULT}, | |
102 | {4, 2427, LBS_TX_PWR_JP_DEFAULT}, | |
103 | {5, 2432, LBS_TX_PWR_JP_DEFAULT}, | |
104 | {6, 2437, LBS_TX_PWR_JP_DEFAULT}, | |
105 | {7, 2442, LBS_TX_PWR_JP_DEFAULT}, | |
106 | {8, 2447, LBS_TX_PWR_JP_DEFAULT}, | |
107 | {9, 2452, LBS_TX_PWR_JP_DEFAULT}, | |
108 | {10, 2457, LBS_TX_PWR_JP_DEFAULT}, | |
109 | {11, 2462, LBS_TX_PWR_JP_DEFAULT}, | |
110 | {12, 2467, LBS_TX_PWR_JP_DEFAULT}, | |
111 | {13, 2472, LBS_TX_PWR_JP_DEFAULT}, | |
112 | {14, 2484, LBS_TX_PWR_JP_DEFAULT} | |
876c9d3a MT |
113 | }; |
114 | ||
115 | /** | |
116 | * the structure for channel, frequency and power | |
117 | */ | |
118 | struct region_cfp_table { | |
119 | u8 region; | |
120 | struct chan_freq_power *cfp_BG; | |
121 | int cfp_no_BG; | |
122 | }; | |
123 | ||
124 | /** | |
125 | * the structure for the mapping between region and CFP | |
126 | */ | |
127 | static struct region_cfp_table region_cfp_table[] = { | |
128 | {0x10, /*US FCC */ | |
129 | channel_freq_power_US_BG, | |
ff8ac609 | 130 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
131 | } |
132 | , | |
133 | {0x20, /*CANADA IC */ | |
134 | channel_freq_power_US_BG, | |
ff8ac609 | 135 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
136 | } |
137 | , | |
138 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
ff8ac609 | 139 | ARRAY_SIZE(channel_freq_power_EU_BG), |
876c9d3a MT |
140 | } |
141 | , | |
142 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
ff8ac609 | 143 | ARRAY_SIZE(channel_freq_power_SPN_BG), |
876c9d3a MT |
144 | } |
145 | , | |
146 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
ff8ac609 | 147 | ARRAY_SIZE(channel_freq_power_FR_BG), |
876c9d3a MT |
148 | } |
149 | , | |
150 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
ff8ac609 | 151 | ARRAY_SIZE(channel_freq_power_JPN_BG), |
876c9d3a MT |
152 | } |
153 | , | |
154 | /*Add new region here */ | |
155 | }; | |
156 | ||
876c9d3a | 157 | /** |
8c512765 | 158 | * the table to keep region code |
876c9d3a | 159 | */ |
10078321 | 160 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
8c512765 | 161 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
876c9d3a MT |
162 | |
163 | /** | |
8c512765 | 164 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 165 | */ |
10078321 | 166 | u8 lbs_bg_rates[MAX_RATES] = |
8c512765 DW |
167 | { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, |
168 | 0x00, 0x00 }; | |
876c9d3a MT |
169 | |
170 | /** | |
8c512765 DW |
171 | * FW rate table. FW refers to rates by their index in this table, not by the |
172 | * rate value itself. Values of 0x00 are | |
173 | * reserved positions. | |
876c9d3a | 174 | */ |
8c512765 DW |
175 | static u8 fw_data_rates[MAX_RATES] = |
176 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
177 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
178 | }; | |
876c9d3a | 179 | |
876c9d3a | 180 | /** |
8c512765 DW |
181 | * @brief use index to get the data rate |
182 | * | |
183 | * @param idx The index of data rate | |
184 | * @return data rate or 0 | |
876c9d3a | 185 | */ |
10078321 | 186 | u32 lbs_fw_index_to_data_rate(u8 idx) |
8c512765 DW |
187 | { |
188 | if (idx >= sizeof(fw_data_rates)) | |
189 | idx = 0; | |
190 | return fw_data_rates[idx]; | |
191 | } | |
192 | ||
193 | /** | |
194 | * @brief use rate to get the index | |
195 | * | |
196 | * @param rate data rate | |
197 | * @return index or 0 | |
198 | */ | |
10078321 | 199 | u8 lbs_data_rate_to_fw_index(u32 rate) |
8c512765 DW |
200 | { |
201 | u8 i; | |
202 | ||
203 | if (!rate) | |
204 | return 0; | |
205 | ||
206 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
207 | if (rate == fw_data_rates[i]) | |
208 | return i; | |
209 | } | |
210 | return 0; | |
211 | } | |
876c9d3a | 212 | |
876c9d3a MT |
213 | /** |
214 | * Attributes exported through sysfs | |
215 | */ | |
876c9d3a MT |
216 | |
217 | /** | |
82fde74b | 218 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 219 | */ |
10078321 | 220 | static ssize_t lbs_anycast_get(struct device *dev, |
b59bb616 DW |
221 | struct device_attribute *attr, char * buf) |
222 | { | |
301eacbf | 223 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 224 | struct cmd_ds_mesh_access mesh_access; |
301eacbf | 225 | int ret; |
876c9d3a MT |
226 | |
227 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
301eacbf DW |
228 | |
229 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
230 | if (ret) | |
231 | return ret; | |
876c9d3a | 232 | |
82fde74b | 233 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
234 | } |
235 | ||
236 | /** | |
82fde74b | 237 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 238 | */ |
10078321 | 239 | static ssize_t lbs_anycast_set(struct device *dev, |
b59bb616 DW |
240 | struct device_attribute *attr, const char * buf, size_t count) |
241 | { | |
301eacbf | 242 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 243 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 244 | uint32_t datum; |
301eacbf | 245 | int ret; |
876c9d3a | 246 | |
876c9d3a | 247 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 248 | sscanf(buf, "%x", &datum); |
981f187b DW |
249 | mesh_access.data[0] = cpu_to_le32(datum); |
250 | ||
301eacbf DW |
251 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); |
252 | if (ret) | |
253 | return ret; | |
254 | ||
876c9d3a MT |
255 | return strlen(buf); |
256 | } | |
257 | ||
2fd6cfe3 DW |
258 | static int lbs_add_rtap(struct lbs_private *priv); |
259 | static void lbs_remove_rtap(struct lbs_private *priv); | |
23a397ac DW |
260 | static int lbs_add_mesh(struct lbs_private *priv); |
261 | static void lbs_remove_mesh(struct lbs_private *priv); | |
7e226272 | 262 | |
965f8bbc LCC |
263 | |
264 | /** | |
265 | * Get function for sysfs attribute rtap | |
266 | */ | |
10078321 | 267 | static ssize_t lbs_rtap_get(struct device *dev, |
965f8bbc LCC |
268 | struct device_attribute *attr, char * buf) |
269 | { | |
e7deced0 | 270 | struct lbs_private *priv = to_net_dev(dev)->priv; |
aa21c004 | 271 | return snprintf(buf, 5, "0x%X\n", priv->monitormode); |
965f8bbc LCC |
272 | } |
273 | ||
274 | /** | |
275 | * Set function for sysfs attribute rtap | |
276 | */ | |
10078321 | 277 | static ssize_t lbs_rtap_set(struct device *dev, |
965f8bbc LCC |
278 | struct device_attribute *attr, const char * buf, size_t count) |
279 | { | |
280 | int monitor_mode; | |
e7deced0 | 281 | struct lbs_private *priv = to_net_dev(dev)->priv; |
965f8bbc LCC |
282 | |
283 | sscanf(buf, "%x", &monitor_mode); | |
c2b310a7 HS |
284 | if (monitor_mode) { |
285 | if (priv->monitormode == monitor_mode) | |
965f8bbc | 286 | return strlen(buf); |
c2b310a7 | 287 | if (!priv->monitormode) { |
8552855f DW |
288 | if (priv->infra_open || priv->mesh_open) |
289 | return -EBUSY; | |
aa21c004 | 290 | if (priv->mode == IW_MODE_INFRA) |
10078321 | 291 | lbs_send_deauthentication(priv); |
aa21c004 | 292 | else if (priv->mode == IW_MODE_ADHOC) |
10078321 HS |
293 | lbs_stop_adhoc_network(priv); |
294 | lbs_add_rtap(priv); | |
965f8bbc | 295 | } |
aa21c004 | 296 | priv->monitormode = monitor_mode; |
965f8bbc LCC |
297 | } |
298 | ||
299 | else { | |
c2b310a7 | 300 | if (!priv->monitormode) |
965f8bbc | 301 | return strlen(buf); |
c2b310a7 | 302 | priv->monitormode = 0; |
10078321 | 303 | lbs_remove_rtap(priv); |
f86a93e1 | 304 | |
aa21c004 DW |
305 | if (priv->currenttxskb) { |
306 | dev_kfree_skb_any(priv->currenttxskb); | |
307 | priv->currenttxskb = NULL; | |
f86a93e1 DW |
308 | } |
309 | ||
310 | /* Wake queues, command thread, etc. */ | |
311 | lbs_host_to_card_done(priv); | |
965f8bbc LCC |
312 | } |
313 | ||
10078321 | 314 | lbs_prepare_and_send_command(priv, |
965f8bbc | 315 | CMD_802_11_MONITOR_MODE, CMD_ACT_SET, |
aa21c004 | 316 | CMD_OPTION_WAITFORRSP, 0, &priv->monitormode); |
965f8bbc LCC |
317 | return strlen(buf); |
318 | } | |
319 | ||
320 | /** | |
23a397ac DW |
321 | * lbs_rtap attribute to be exported per ethX interface |
322 | * through sysfs (/sys/class/net/ethX/lbs_rtap) | |
965f8bbc | 323 | */ |
23a397ac DW |
324 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set ); |
325 | ||
326 | /** | |
327 | * Get function for sysfs attribute mesh | |
328 | */ | |
329 | static ssize_t lbs_mesh_get(struct device *dev, | |
330 | struct device_attribute *attr, char * buf) | |
331 | { | |
332 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
333 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
334 | } | |
335 | ||
336 | /** | |
337 | * Set function for sysfs attribute mesh | |
338 | */ | |
339 | static ssize_t lbs_mesh_set(struct device *dev, | |
340 | struct device_attribute *attr, const char * buf, size_t count) | |
341 | { | |
342 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
343 | int enable; | |
344 | int ret; | |
345 | ||
346 | sscanf(buf, "%x", &enable); | |
347 | enable = !!enable; | |
348 | if (enable == !!priv->mesh_dev) | |
349 | return count; | |
350 | ||
86062134 | 351 | ret = lbs_mesh_config(priv, enable, priv->curbssparams.channel); |
23a397ac DW |
352 | if (ret) |
353 | return ret; | |
7e226272 | 354 | |
23a397ac DW |
355 | if (enable) |
356 | lbs_add_mesh(priv); | |
357 | else | |
358 | lbs_remove_mesh(priv); | |
359 | ||
360 | return count; | |
361 | } | |
362 | ||
363 | /** | |
364 | * lbs_mesh attribute to be exported per ethX interface | |
365 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
366 | */ | |
367 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
965f8bbc | 368 | |
876c9d3a | 369 | /** |
82fde74b LC |
370 | * anycast_mask attribute to be exported per mshX interface |
371 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 372 | */ |
10078321 | 373 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); |
876c9d3a | 374 | |
10078321 | 375 | static struct attribute *lbs_mesh_sysfs_entries[] = { |
a9f38d02 | 376 | &dev_attr_anycast_mask.attr, |
a9f38d02 LCC |
377 | NULL, |
378 | }; | |
379 | ||
10078321 HS |
380 | static struct attribute_group lbs_mesh_attr_group = { |
381 | .attrs = lbs_mesh_sysfs_entries, | |
a9f38d02 LCC |
382 | }; |
383 | ||
876c9d3a | 384 | /** |
8552855f | 385 | * @brief This function opens the ethX or mshX interface |
876c9d3a MT |
386 | * |
387 | * @param dev A pointer to net_device structure | |
8552855f | 388 | * @return 0 or -EBUSY if monitor mode active |
876c9d3a | 389 | */ |
10078321 | 390 | static int lbs_dev_open(struct net_device *dev) |
876c9d3a | 391 | { |
8552855f DW |
392 | struct lbs_private *priv = (struct lbs_private *) dev->priv ; |
393 | int ret = 0; | |
876c9d3a | 394 | |
61d30020 HS |
395 | lbs_deb_enter(LBS_DEB_NET); |
396 | ||
8552855f | 397 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 398 | |
c2b310a7 | 399 | if (priv->monitormode) { |
8552855f DW |
400 | ret = -EBUSY; |
401 | goto out; | |
402 | } | |
01d77d8d | 403 | |
8552855f DW |
404 | if (dev == priv->mesh_dev) { |
405 | priv->mesh_open = 1; | |
406 | priv->mesh_connect_status = LBS_CONNECTED; | |
407 | netif_carrier_on(dev); | |
408 | } else { | |
409 | priv->infra_open = 1; | |
7e226272 | 410 | |
8552855f DW |
411 | if (priv->connect_status == LBS_CONNECTED) |
412 | netif_carrier_on(dev); | |
01d77d8d | 413 | else |
8552855f | 414 | netif_carrier_off(dev); |
51d84f50 | 415 | } |
876c9d3a | 416 | |
8552855f DW |
417 | if (!priv->tx_pending_len) |
418 | netif_wake_queue(dev); | |
419 | out: | |
876c9d3a | 420 | |
8552855f | 421 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 422 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
8552855f | 423 | return ret; |
876c9d3a MT |
424 | } |
425 | ||
426 | /** | |
427 | * @brief This function closes the mshX interface | |
428 | * | |
429 | * @param dev A pointer to net_device structure | |
430 | * @return 0 | |
431 | */ | |
8552855f | 432 | static int lbs_mesh_stop(struct net_device *dev) |
876c9d3a | 433 | { |
69f9032d | 434 | struct lbs_private *priv = (struct lbs_private *) (dev->priv); |
876c9d3a | 435 | |
61d30020 | 436 | lbs_deb_enter(LBS_DEB_MESH); |
8552855f DW |
437 | spin_lock_irq(&priv->driver_lock); |
438 | ||
876c9d3a | 439 | priv->mesh_open = 0; |
8552855f DW |
440 | priv->mesh_connect_status = LBS_DISCONNECTED; |
441 | ||
442 | netif_stop_queue(dev); | |
443 | netif_carrier_off(dev); | |
7e226272 | 444 | |
8552855f | 445 | spin_unlock_irq(&priv->driver_lock); |
61d30020 HS |
446 | |
447 | lbs_deb_leave(LBS_DEB_MESH); | |
8552855f | 448 | return 0; |
876c9d3a MT |
449 | } |
450 | ||
451 | /** | |
452 | * @brief This function closes the ethX interface | |
453 | * | |
454 | * @param dev A pointer to net_device structure | |
455 | * @return 0 | |
456 | */ | |
8552855f | 457 | static int lbs_eth_stop(struct net_device *dev) |
78523daa | 458 | { |
69f9032d | 459 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 460 | |
61d30020 | 461 | lbs_deb_enter(LBS_DEB_NET); |
8552855f | 462 | |
61d30020 | 463 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 464 | priv->infra_open = 0; |
8552855f | 465 | netif_stop_queue(dev); |
8552855f | 466 | spin_unlock_irq(&priv->driver_lock); |
61d30020 HS |
467 | |
468 | lbs_deb_leave(LBS_DEB_NET); | |
8552855f | 469 | return 0; |
876c9d3a MT |
470 | } |
471 | ||
10078321 | 472 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 473 | { |
69f9032d | 474 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 475 | |
9012b28a | 476 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 477 | |
9012b28a | 478 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 479 | |
876c9d3a MT |
480 | dev->trans_start = jiffies; |
481 | ||
aa21c004 | 482 | if (priv->currenttxskb) { |
a63b22bb DW |
483 | priv->eventcause = 0x01000000; |
484 | lbs_send_tx_feedback(priv); | |
51d84f50 | 485 | } |
a63b22bb DW |
486 | /* XX: Shouldn't we also call into the hw-specific driver |
487 | to kick it somehow? */ | |
488 | lbs_host_to_card_done(priv); | |
876c9d3a | 489 | |
354eca98 DW |
490 | /* More often than not, this actually happens because the |
491 | firmware has crapped itself -- rather than just a very | |
492 | busy medium. So send a harmless command, and if/when | |
493 | _that_ times out, we'll kick it in the head. */ | |
494 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
495 | 0, 0, NULL); | |
496 | ||
9012b28a | 497 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
498 | } |
499 | ||
e775ed7c DW |
500 | void lbs_host_to_card_done(struct lbs_private *priv) |
501 | { | |
a63b22bb DW |
502 | unsigned long flags; |
503 | ||
61d30020 HS |
504 | lbs_deb_enter(LBS_DEB_THREAD); |
505 | ||
a63b22bb | 506 | spin_lock_irqsave(&priv->driver_lock, flags); |
e775ed7c DW |
507 | |
508 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
509 | ||
510 | /* Wake main thread if commands are pending */ | |
a27b9f96 | 511 | if (!priv->cur_cmd || priv->tx_pending_len > 0) |
e775ed7c DW |
512 | wake_up_interruptible(&priv->waitq); |
513 | ||
a63b22bb | 514 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 515 | lbs_deb_leave(LBS_DEB_THREAD); |
e775ed7c DW |
516 | } |
517 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | |
518 | ||
876c9d3a MT |
519 | /** |
520 | * @brief This function returns the network statistics | |
521 | * | |
69f9032d | 522 | * @param dev A pointer to struct lbs_private structure |
876c9d3a MT |
523 | * @return A pointer to net_device_stats structure |
524 | */ | |
10078321 | 525 | static struct net_device_stats *lbs_get_stats(struct net_device *dev) |
876c9d3a | 526 | { |
69f9032d | 527 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 528 | |
61d30020 | 529 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
530 | return &priv->stats; |
531 | } | |
532 | ||
10078321 | 533 | static int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
534 | { |
535 | int ret = 0; | |
69f9032d | 536 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 537 | struct sockaddr *phwaddr = addr; |
2af9f039 | 538 | struct cmd_ds_802_11_mac_address cmd; |
876c9d3a | 539 | |
9012b28a | 540 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 541 | |
0a0d08ac | 542 | /* In case it was called from the mesh device */ |
2af9f039 | 543 | dev = priv->dev; |
0a0d08ac | 544 | |
2af9f039 HS |
545 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
546 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
547 | memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN); | |
876c9d3a | 548 | |
2af9f039 | 549 | ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd); |
876c9d3a | 550 | if (ret) { |
9012b28a | 551 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
552 | goto done; |
553 | } | |
554 | ||
2af9f039 HS |
555 | memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); |
556 | memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN); | |
78523daa | 557 | if (priv->mesh_dev) |
2af9f039 | 558 | memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN); |
876c9d3a MT |
559 | |
560 | done: | |
9012b28a | 561 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
562 | return ret; |
563 | } | |
564 | ||
aa21c004 | 565 | static int lbs_copy_multicast_address(struct lbs_private *priv, |
876c9d3a MT |
566 | struct net_device *dev) |
567 | { | |
568 | int i = 0; | |
569 | struct dev_mc_list *mcptr = dev->mc_list; | |
570 | ||
571 | for (i = 0; i < dev->mc_count; i++) { | |
aa21c004 | 572 | memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); |
876c9d3a MT |
573 | mcptr = mcptr->next; |
574 | } | |
876c9d3a | 575 | return i; |
876c9d3a MT |
576 | } |
577 | ||
10078321 | 578 | static void lbs_set_multicast_list(struct net_device *dev) |
876c9d3a | 579 | { |
69f9032d | 580 | struct lbs_private *priv = dev->priv; |
d9e9778c | 581 | int old_mac_control; |
0795af57 | 582 | DECLARE_MAC_BUF(mac); |
876c9d3a | 583 | |
9012b28a | 584 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 585 | |
d9e9778c | 586 | old_mac_control = priv->mac_control; |
876c9d3a MT |
587 | |
588 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 589 | lbs_deb_net("enable promiscuous mode\n"); |
d9e9778c | 590 | priv->mac_control |= |
0aef64d7 | 591 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
d9e9778c | 592 | priv->mac_control &= |
0aef64d7 DW |
593 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
594 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
595 | } else { |
596 | /* Multicast */ | |
d9e9778c | 597 | priv->mac_control &= |
0aef64d7 | 598 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
599 | |
600 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
601 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 602 | lbs_deb_net( "enabling all multicast\n"); |
d9e9778c | 603 | priv->mac_control |= |
0aef64d7 | 604 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
d9e9778c | 605 | priv->mac_control &= |
0aef64d7 | 606 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a | 607 | } else { |
d9e9778c | 608 | priv->mac_control &= |
0aef64d7 | 609 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
610 | |
611 | if (!dev->mc_count) { | |
9012b28a HS |
612 | lbs_deb_net("no multicast addresses, " |
613 | "disabling multicast\n"); | |
d9e9778c | 614 | priv->mac_control &= |
0aef64d7 | 615 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
616 | } else { |
617 | int i; | |
618 | ||
d9e9778c | 619 | priv->mac_control |= |
0aef64d7 | 620 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a | 621 | |
aa21c004 DW |
622 | priv->nr_of_multicastmacaddr = |
623 | lbs_copy_multicast_address(priv, dev); | |
876c9d3a | 624 | |
9012b28a | 625 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
626 | dev->mc_count); |
627 | ||
628 | for (i = 0; i < dev->mc_count; i++) { | |
61d30020 | 629 | lbs_deb_net("Multicast address %d: %s\n", |
0795af57 | 630 | i, print_mac(mac, |
aa21c004 | 631 | priv->multicastlist[i])); |
876c9d3a | 632 | } |
9012b28a | 633 | /* send multicast addresses to firmware */ |
10078321 | 634 | lbs_prepare_and_send_command(priv, |
0aef64d7 DW |
635 | CMD_MAC_MULTICAST_ADR, |
636 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
637 | NULL); |
638 | } | |
639 | } | |
640 | } | |
641 | ||
d9e9778c HS |
642 | if (priv->mac_control != old_mac_control) |
643 | lbs_set_mac_control(priv); | |
876c9d3a | 644 | |
9012b28a | 645 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
646 | } |
647 | ||
648 | /** | |
10078321 | 649 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
650 | * It handles all events generated by firmware, RX data received |
651 | * from firmware and TX data sent from kernel. | |
876c9d3a | 652 | * |
10078321 | 653 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
654 | * @return 0 |
655 | */ | |
10078321 | 656 | static int lbs_thread(void *data) |
876c9d3a | 657 | { |
fe336150 | 658 | struct net_device *dev = data; |
69f9032d | 659 | struct lbs_private *priv = dev->priv; |
876c9d3a MT |
660 | wait_queue_t wait; |
661 | u8 ireg = 0; | |
662 | ||
9012b28a | 663 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 664 | |
876c9d3a MT |
665 | init_waitqueue_entry(&wait, current); |
666 | ||
667 | for (;;) { | |
b8d40bc9 DW |
668 | int shouldsleep; |
669 | ||
59f3e4bf | 670 | lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 671 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a | 672 | |
fe336150 | 673 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a | 674 | set_current_state(TASK_INTERRUPTIBLE); |
aa21c004 | 675 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 676 | |
d9f88705 | 677 | if (kthread_should_stop()) |
b8d40bc9 | 678 | shouldsleep = 0; /* Bye */ |
d9f88705 DW |
679 | else if (priv->surpriseremoved) |
680 | shouldsleep = 1; /* We need to wait until we're _told_ to die */ | |
b8d40bc9 DW |
681 | else if (priv->psstate == PS_STATE_SLEEP) |
682 | shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */ | |
683 | else if (priv->intcounter) | |
684 | shouldsleep = 0; /* Interrupt pending. Deal with it now */ | |
2a345099 DW |
685 | else if (priv->cmd_timed_out) |
686 | shouldsleep = 0; /* Command timed out. Recover */ | |
b15152a4 DW |
687 | else if (!priv->fw_ready) |
688 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ | |
b8d40bc9 DW |
689 | else if (priv->dnld_sent) |
690 | shouldsleep = 1; /* Something is en route to the device already */ | |
2eb188a1 DW |
691 | else if (priv->tx_pending_len > 0) |
692 | shouldsleep = 0; /* We've a packet to send */ | |
b8d40bc9 DW |
693 | else if (priv->cur_cmd) |
694 | shouldsleep = 1; /* Can't send a command; one already running */ | |
695 | else if (!list_empty(&priv->cmdpendingq)) | |
696 | shouldsleep = 0; /* We have a command to send */ | |
697 | else | |
698 | shouldsleep = 1; /* No command */ | |
699 | ||
700 | if (shouldsleep) { | |
59f3e4bf | 701 | lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
aa21c004 DW |
702 | priv->connect_status, priv->intcounter, |
703 | priv->psmode, priv->psstate); | |
704 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
705 | schedule(); |
706 | } else | |
aa21c004 | 707 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 708 | |
59f3e4bf | 709 | lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 710 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
711 | |
712 | set_current_state(TASK_RUNNING); | |
fe336150 | 713 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a | 714 | |
59f3e4bf | 715 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 716 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a | 717 | |
d9f88705 DW |
718 | if (kthread_should_stop()) { |
719 | lbs_deb_thread("main-thread: break from main thread\n"); | |
876c9d3a MT |
720 | break; |
721 | } | |
722 | ||
d9f88705 DW |
723 | if (priv->surpriseremoved) { |
724 | lbs_deb_thread("adapter removed; waiting to die...\n"); | |
725 | continue; | |
726 | } | |
876c9d3a | 727 | |
aa21c004 | 728 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 729 | |
aa21c004 | 730 | if (priv->intcounter) { |
876c9d3a | 731 | u8 int_status; |
59f3e4bf | 732 | |
aa21c004 | 733 | priv->intcounter = 0; |
208fdd2f | 734 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
735 | |
736 | if (int_status) { | |
59f3e4bf | 737 | lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n"); |
aa21c004 | 738 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
739 | continue; |
740 | } | |
aa21c004 | 741 | priv->hisregcpy |= ireg; |
876c9d3a MT |
742 | } |
743 | ||
59f3e4bf | 744 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 745 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
746 | |
747 | /* command response? */ | |
aa21c004 | 748 | if (priv->hisregcpy & MRVDRV_CMD_UPLD_RDY) { |
9012b28a | 749 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a | 750 | |
aa21c004 DW |
751 | priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
752 | spin_unlock_irq(&priv->driver_lock); | |
10078321 | 753 | lbs_process_rx_command(priv); |
aa21c004 | 754 | spin_lock_irq(&priv->driver_lock); |
876c9d3a MT |
755 | } |
756 | ||
2a345099 DW |
757 | if (priv->cmd_timed_out && priv->cur_cmd) { |
758 | struct cmd_ctrl_node *cmdnode = priv->cur_cmd; | |
759 | ||
760 | if (++priv->nr_retries > 10) { | |
761 | lbs_pr_info("Excessive timeouts submitting command %x\n", | |
762 | le16_to_cpu(cmdnode->cmdbuf->command)); | |
763 | lbs_complete_command(priv, cmdnode, -ETIMEDOUT); | |
764 | priv->nr_retries = 0; | |
765 | } else { | |
766 | priv->cur_cmd = NULL; | |
767 | lbs_pr_info("requeueing command %x due to timeout (#%d)\n", | |
768 | le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries); | |
769 | ||
770 | /* Stick it back at the _top_ of the pending queue | |
771 | for immediate resubmission */ | |
772 | list_add(&cmdnode->list, &priv->cmdpendingq); | |
773 | } | |
774 | } | |
775 | priv->cmd_timed_out = 0; | |
776 | ||
876c9d3a | 777 | /* Any Card Event */ |
aa21c004 | 778 | if (priv->hisregcpy & MRVDRV_CARDEVENT) { |
9012b28a | 779 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a | 780 | |
aa21c004 | 781 | priv->hisregcpy &= ~MRVDRV_CARDEVENT; |
876c9d3a | 782 | |
208fdd2f | 783 | if (priv->hw_read_event_cause(priv)) { |
59f3e4bf | 784 | lbs_pr_alert("main-thread: hw_read_event_cause failed\n"); |
aa21c004 | 785 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
786 | continue; |
787 | } | |
aa21c004 | 788 | spin_unlock_irq(&priv->driver_lock); |
10078321 | 789 | lbs_process_event(priv); |
876c9d3a | 790 | } else |
aa21c004 | 791 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 792 | |
b15152a4 DW |
793 | if (!priv->fw_ready) |
794 | continue; | |
795 | ||
876c9d3a | 796 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
797 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
798 | !priv->dnld_sent && !priv->cur_cmd) { | |
799 | if (priv->connect_status == LBS_CONNECTED) { | |
59f3e4bf | 800 | lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n", |
aa21c004 | 801 | priv->intcounter, priv->currenttxskb, priv->dnld_sent, priv->cur_cmd); |
59f3e4bf | 802 | |
d4ff0ef6 | 803 | lbs_ps_confirm_sleep(priv); |
59f3e4bf DW |
804 | } else { |
805 | /* workaround for firmware sending | |
806 | * deauth/linkloss event immediately | |
807 | * after sleep request; remove this | |
808 | * after firmware fixes it | |
809 | */ | |
aa21c004 | 810 | priv->psstate = PS_STATE_AWAKE; |
59f3e4bf | 811 | lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n"); |
876c9d3a MT |
812 | } |
813 | } | |
814 | ||
815 | /* The PS state is changed during processing of Sleep Request | |
816 | * event above | |
817 | */ | |
aa21c004 DW |
818 | if ((priv->psstate == PS_STATE_SLEEP) || |
819 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
820 | continue; |
821 | ||
822 | /* Execute the next command */ | |
aa21c004 | 823 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 824 | lbs_execute_next_command(priv); |
876c9d3a MT |
825 | |
826 | /* Wake-up command waiters which can't sleep in | |
10078321 | 827 | * lbs_prepare_and_send_command |
876c9d3a | 828 | */ |
aa21c004 DW |
829 | if (!list_empty(&priv->cmdpendingq)) |
830 | wake_up_all(&priv->cmd_pending); | |
2eb188a1 DW |
831 | |
832 | spin_lock_irq(&priv->driver_lock); | |
833 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
834 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
835 | priv->tx_pending_buf, | |
836 | priv->tx_pending_len); | |
837 | if (ret) { | |
838 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
839 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
840 | } | |
841 | priv->tx_pending_len = 0; | |
842 | if (!priv->currenttxskb) { | |
843 | /* We can wake the queues immediately if we aren't | |
844 | waiting for TX feedback */ | |
845 | if (priv->connect_status == LBS_CONNECTED) | |
846 | netif_wake_queue(priv->dev); | |
847 | if (priv->mesh_dev && | |
848 | priv->mesh_connect_status == LBS_CONNECTED) | |
849 | netif_wake_queue(priv->mesh_dev); | |
850 | } | |
851 | } | |
852 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
853 | } |
854 | ||
aa21c004 DW |
855 | del_timer(&priv->command_timer); |
856 | wake_up_all(&priv->cmd_pending); | |
876c9d3a | 857 | |
9012b28a | 858 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
859 | return 0; |
860 | } | |
861 | ||
ab25ecae DW |
862 | static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy, |
863 | struct cmd_header *cmd) | |
864 | { | |
61d30020 | 865 | lbs_deb_enter(LBS_DEB_FW); |
ab25ecae DW |
866 | |
867 | netif_device_detach(priv->dev); | |
868 | if (priv->mesh_dev) | |
869 | netif_device_detach(priv->mesh_dev); | |
870 | ||
871 | priv->fw_ready = 0; | |
61d30020 | 872 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
873 | return 0; |
874 | } | |
875 | ||
ab25ecae DW |
876 | int lbs_suspend(struct lbs_private *priv) |
877 | { | |
878 | struct cmd_header cmd; | |
879 | int ret; | |
880 | ||
61d30020 HS |
881 | lbs_deb_enter(LBS_DEB_FW); |
882 | ||
506e9025 DW |
883 | if (priv->wol_criteria == 0xffffffff) { |
884 | lbs_pr_info("Suspend attempt without configuring wake params!\n"); | |
885 | return -EINVAL; | |
886 | } | |
887 | ||
ab25ecae | 888 | memset(&cmd, 0, sizeof(cmd)); |
7e226272 | 889 | |
ab25ecae DW |
890 | ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd, |
891 | sizeof(cmd), lbs_suspend_callback, 0); | |
892 | if (ret) | |
893 | lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret); | |
894 | ||
61d30020 | 895 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
ab25ecae DW |
896 | return ret; |
897 | } | |
898 | EXPORT_SYMBOL_GPL(lbs_suspend); | |
899 | ||
900 | int lbs_resume(struct lbs_private *priv) | |
901 | { | |
61d30020 HS |
902 | lbs_deb_enter(LBS_DEB_FW); |
903 | ||
ab25ecae DW |
904 | priv->fw_ready = 1; |
905 | ||
906 | /* Firmware doesn't seem to give us RX packets any more | |
907 | until we send it some command. Might as well update */ | |
908 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
909 | 0, 0, NULL); | |
910 | ||
911 | netif_device_attach(priv->dev); | |
912 | if (priv->mesh_dev) | |
913 | netif_device_attach(priv->mesh_dev); | |
914 | ||
61d30020 | 915 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
916 | return 0; |
917 | } | |
918 | EXPORT_SYMBOL_GPL(lbs_resume); | |
919 | ||
1df4e8fe HS |
920 | /** |
921 | * @brief This function downloads firmware image, gets | |
922 | * HW spec from firmware and set basic parameters to | |
923 | * firmware. | |
924 | * | |
69f9032d | 925 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
926 | * @return 0 or -1 |
927 | */ | |
69f9032d | 928 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
929 | { |
930 | int ret = -1; | |
1df4e8fe HS |
931 | |
932 | lbs_deb_enter(LBS_DEB_FW); | |
933 | ||
1df4e8fe HS |
934 | /* |
935 | * Read MAC address from HW | |
936 | */ | |
aa21c004 | 937 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 938 | ret = lbs_update_hw_spec(priv); |
1df4e8fe HS |
939 | if (ret) { |
940 | ret = -1; | |
941 | goto done; | |
942 | } | |
943 | ||
d9e9778c | 944 | lbs_set_mac_control(priv); |
1df4e8fe | 945 | |
8e3c91bb DW |
946 | ret = lbs_get_data_rate(priv); |
947 | if (ret < 0) { | |
1df4e8fe HS |
948 | ret = -1; |
949 | goto done; | |
950 | } | |
951 | ||
952 | ret = 0; | |
953 | done: | |
954 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
955 | return ret; | |
956 | } | |
957 | ||
1df4e8fe HS |
958 | /** |
959 | * This function handles the timeout of command sending. | |
960 | * It will re-send the same command again. | |
961 | */ | |
962 | static void command_timer_fn(unsigned long data) | |
963 | { | |
69f9032d | 964 | struct lbs_private *priv = (struct lbs_private *)data; |
1df4e8fe HS |
965 | unsigned long flags; |
966 | ||
61d30020 | 967 | lbs_deb_enter(LBS_DEB_CMD); |
2a345099 | 968 | spin_lock_irqsave(&priv->driver_lock, flags); |
1df4e8fe | 969 | |
2a345099 DW |
970 | if (!priv->cur_cmd) { |
971 | lbs_pr_info("Command timer expired; no pending command\n"); | |
972 | goto out; | |
1df4e8fe HS |
973 | } |
974 | ||
2a345099 | 975 | lbs_pr_info("Command %x timed out\n", le16_to_cpu(priv->cur_cmd->cmdbuf->command)); |
1df4e8fe | 976 | |
2a345099 | 977 | priv->cmd_timed_out = 1; |
1df4e8fe | 978 | wake_up_interruptible(&priv->waitq); |
61d30020 | 979 | out: |
2a345099 | 980 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 981 | lbs_deb_leave(LBS_DEB_CMD); |
1df4e8fe HS |
982 | } |
983 | ||
e226868e HS |
984 | static void lbs_sync_channel_worker(struct work_struct *work) |
985 | { | |
986 | struct lbs_private *priv = container_of(work, struct lbs_private, | |
987 | sync_channel); | |
988 | ||
989 | lbs_deb_enter(LBS_DEB_MAIN); | |
990 | if (lbs_update_channel(priv)) | |
991 | lbs_pr_info("Channel synchronization failed."); | |
992 | lbs_deb_leave(LBS_DEB_MAIN); | |
993 | } | |
994 | ||
995 | ||
69f9032d | 996 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 997 | { |
1df4e8fe | 998 | size_t bufsize; |
954ee164 | 999 | int i, ret = 0; |
1df4e8fe | 1000 | |
61d30020 HS |
1001 | lbs_deb_enter(LBS_DEB_MAIN); |
1002 | ||
1df4e8fe HS |
1003 | /* Allocate buffer to store the BSSID list */ |
1004 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
aa21c004 DW |
1005 | priv->networks = kzalloc(bufsize, GFP_KERNEL); |
1006 | if (!priv->networks) { | |
1df4e8fe | 1007 | lbs_pr_err("Out of memory allocating beacons\n"); |
954ee164 DW |
1008 | ret = -1; |
1009 | goto out; | |
1df4e8fe HS |
1010 | } |
1011 | ||
954ee164 | 1012 | /* Initialize scan result lists */ |
aa21c004 DW |
1013 | INIT_LIST_HEAD(&priv->network_free_list); |
1014 | INIT_LIST_HEAD(&priv->network_list); | |
954ee164 | 1015 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
aa21c004 DW |
1016 | list_add_tail(&priv->networks[i].list, |
1017 | &priv->network_free_list); | |
954ee164 | 1018 | } |
1df4e8fe | 1019 | |
aa21c004 | 1020 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 1021 | |
aa21c004 DW |
1022 | priv->connect_status = LBS_DISCONNECTED; |
1023 | priv->mesh_connect_status = LBS_DISCONNECTED; | |
1024 | priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; | |
1025 | priv->mode = IW_MODE_INFRA; | |
1026 | priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; | |
d9e9778c | 1027 | priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
aa21c004 DW |
1028 | priv->radioon = RADIO_ON; |
1029 | priv->auto_rate = 1; | |
1030 | priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; | |
1031 | priv->psmode = LBS802_11POWERMODECAM; | |
1032 | priv->psstate = PS_STATE_FULL_POWER; | |
1df4e8fe | 1033 | |
aa21c004 | 1034 | mutex_init(&priv->lock); |
1df4e8fe | 1035 | |
aa21c004 | 1036 | setup_timer(&priv->command_timer, command_timer_fn, |
61d30020 | 1037 | (unsigned long)priv); |
1df4e8fe | 1038 | |
aa21c004 DW |
1039 | INIT_LIST_HEAD(&priv->cmdfreeq); |
1040 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 1041 | |
aa21c004 DW |
1042 | spin_lock_init(&priv->driver_lock); |
1043 | init_waitqueue_head(&priv->cmd_pending); | |
1df4e8fe | 1044 | |
954ee164 | 1045 | /* Allocate the command buffers */ |
10078321 | 1046 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 DW |
1047 | lbs_pr_err("Out of memory allocating command buffers\n"); |
1048 | ret = -1; | |
1049 | } | |
1df4e8fe | 1050 | |
954ee164 | 1051 | out: |
61d30020 HS |
1052 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1053 | ||
954ee164 DW |
1054 | return ret; |
1055 | } | |
1df4e8fe | 1056 | |
69f9032d | 1057 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 1058 | { |
61d30020 | 1059 | lbs_deb_enter(LBS_DEB_MAIN); |
1df4e8fe | 1060 | |
61d30020 | 1061 | lbs_free_cmd_buffer(priv); |
aa21c004 | 1062 | del_timer(&priv->command_timer); |
aa21c004 DW |
1063 | kfree(priv->networks); |
1064 | priv->networks = NULL; | |
61d30020 HS |
1065 | |
1066 | lbs_deb_leave(LBS_DEB_MAIN); | |
1df4e8fe HS |
1067 | } |
1068 | ||
876c9d3a MT |
1069 | /** |
1070 | * @brief This function adds the card. it will probe the | |
10078321 | 1071 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1072 | * |
1073 | * @param card A pointer to card | |
69f9032d | 1074 | * @return A pointer to struct lbs_private structure |
876c9d3a | 1075 | */ |
69f9032d | 1076 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1077 | { |
1078 | struct net_device *dev = NULL; | |
69f9032d | 1079 | struct lbs_private *priv = NULL; |
876c9d3a | 1080 | |
61d30020 | 1081 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1082 | |
1083 | /* Allocate an Ethernet device and register it */ | |
69f9032d HS |
1084 | dev = alloc_etherdev(sizeof(struct lbs_private)); |
1085 | if (!dev) { | |
9012b28a | 1086 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1087 | goto done; |
876c9d3a | 1088 | } |
64f104e8 | 1089 | priv = dev->priv; |
876c9d3a | 1090 | |
10078321 | 1091 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1092 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1093 | goto err_init_adapter; | |
1094 | } | |
1095 | ||
634b8f49 HS |
1096 | priv->dev = dev; |
1097 | priv->card = card; | |
876c9d3a MT |
1098 | priv->mesh_open = 0; |
1099 | priv->infra_open = 0; | |
876c9d3a | 1100 | |
876c9d3a | 1101 | /* Setup the OS Interface to our functions */ |
8552855f | 1102 | dev->open = lbs_dev_open; |
198cefb9 | 1103 | dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1104 | dev->stop = lbs_eth_stop; |
10078321 HS |
1105 | dev->set_mac_address = lbs_set_mac_address; |
1106 | dev->tx_timeout = lbs_tx_timeout; | |
1107 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1108 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1109 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1110 | #ifdef WIRELESS_EXT |
10078321 | 1111 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1112 | #endif |
876c9d3a | 1113 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1114 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1115 | |
7732ca45 DW |
1116 | SET_NETDEV_DEV(dev, dmdev); |
1117 | ||
965f8bbc | 1118 | priv->rtap_net_dev = NULL; |
954ee164 DW |
1119 | |
1120 | lbs_deb_thread("Starting main thread...\n"); | |
1121 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1122 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1123 | if (IS_ERR(priv->main_thread)) { |
1124 | lbs_deb_thread("Error creating main thread.\n"); | |
e7deced0 | 1125 | goto err_init_adapter; |
954ee164 DW |
1126 | } |
1127 | ||
10078321 HS |
1128 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1129 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1130 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
e226868e | 1131 | INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); |
954ee164 | 1132 | |
23a397ac DW |
1133 | sprintf(priv->mesh_ssid, "mesh"); |
1134 | priv->mesh_ssid_len = 4; | |
1135 | ||
506e9025 DW |
1136 | priv->wol_criteria = 0xffffffff; |
1137 | priv->wol_gpio = 0xff; | |
1138 | ||
32a74b7c HS |
1139 | goto done; |
1140 | ||
954ee164 | 1141 | err_init_adapter: |
10078321 | 1142 | lbs_free_adapter(priv); |
32a74b7c | 1143 | free_netdev(dev); |
6a812157 | 1144 | priv = NULL; |
954ee164 | 1145 | |
32a74b7c | 1146 | done: |
61d30020 | 1147 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
32a74b7c HS |
1148 | return priv; |
1149 | } | |
10078321 | 1150 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1151 | |
954ee164 | 1152 | |
69f9032d | 1153 | int lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 1154 | { |
634b8f49 | 1155 | struct net_device *dev = priv->dev; |
954ee164 | 1156 | union iwreq_data wrqu; |
32a74b7c HS |
1157 | |
1158 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1159 | |
23a397ac | 1160 | lbs_remove_mesh(priv); |
10078321 | 1161 | lbs_remove_rtap(priv); |
876c9d3a | 1162 | |
954ee164 | 1163 | dev = priv->dev; |
2afc0c5d | 1164 | |
954ee164 DW |
1165 | cancel_delayed_work(&priv->scan_work); |
1166 | cancel_delayed_work(&priv->assoc_work); | |
1167 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1168 | |
aa21c004 DW |
1169 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
1170 | priv->psmode = LBS802_11POWERMODECAM; | |
10078321 | 1171 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); |
876c9d3a MT |
1172 | } |
1173 | ||
954ee164 DW |
1174 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1175 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1176 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1177 | ||
1178 | /* Stop the thread servicing the interrupts */ | |
aa21c004 | 1179 | priv->surpriseremoved = 1; |
954ee164 DW |
1180 | kthread_stop(priv->main_thread); |
1181 | ||
10078321 | 1182 | lbs_free_adapter(priv); |
954ee164 DW |
1183 | |
1184 | priv->dev = NULL; | |
1185 | free_netdev(dev); | |
1186 | ||
1187 | lbs_deb_leave(LBS_DEB_MAIN); | |
1188 | return 0; | |
1189 | } | |
10078321 | 1190 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1191 | |
1192 | ||
69f9032d | 1193 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
1194 | { |
1195 | struct net_device *dev = priv->dev; | |
1196 | int ret = -1; | |
1197 | ||
1198 | lbs_deb_enter(LBS_DEB_MAIN); | |
1199 | ||
1200 | /* poke the firmware */ | |
10078321 | 1201 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1202 | if (ret) |
1203 | goto done; | |
1204 | ||
1205 | /* init 802.11d */ | |
10078321 | 1206 | lbs_init_11d(priv); |
876c9d3a MT |
1207 | |
1208 | if (register_netdev(dev)) { | |
9012b28a | 1209 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1210 | goto done; |
876c9d3a | 1211 | } |
e7deced0 DW |
1212 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1213 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | |
020f3d00 | 1214 | |
020f3d00 | 1215 | lbs_update_channel(priv); |
020f3d00 | 1216 | |
c9d1be36 HS |
1217 | /* 5.0.16p0 is known to NOT support any mesh */ |
1218 | if (priv->fwrelease > 0x05001000) { | |
1219 | /* Enable mesh, if supported, and work out which TLV it uses. | |
1220 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
1221 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
1222 | but we check them in that order because 20.pXX doesn't | |
1223 | give an error -- it just silently fails. */ | |
1224 | ||
1225 | /* 5.110.20.pXX firmware will fail the command if the channel | |
1226 | doesn't match the existing channel. But only if the TLV | |
1227 | is correct. If the channel is wrong, _BOTH_ versions will | |
1228 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
1229 | It's just that 5.110.20.pXX will not have done anything | |
1230 | useful */ | |
1231 | ||
1232 | priv->mesh_tlv = 0x100 + 291; | |
1233 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) { | |
1234 | priv->mesh_tlv = 0x100 + 37; | |
1235 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) | |
1236 | priv->mesh_tlv = 0; | |
1237 | } | |
1238 | if (priv->mesh_tlv) { | |
1239 | lbs_add_mesh(priv); | |
1240 | ||
1241 | if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) | |
1242 | lbs_pr_err("cannot register lbs_mesh attribute\n"); | |
1243 | } | |
020f3d00 | 1244 | } |
876c9d3a | 1245 | |
10078321 | 1246 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1247 | |
954ee164 DW |
1248 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1249 | ||
32a74b7c | 1250 | ret = 0; |
876c9d3a | 1251 | |
32a74b7c | 1252 | done: |
954ee164 DW |
1253 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1254 | return ret; | |
1255 | } | |
10078321 | 1256 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1257 | |
1258 | ||
69f9032d | 1259 | int lbs_stop_card(struct lbs_private *priv) |
954ee164 DW |
1260 | { |
1261 | struct net_device *dev = priv->dev; | |
1262 | int ret = -1; | |
1263 | struct cmd_ctrl_node *cmdnode; | |
1264 | unsigned long flags; | |
1265 | ||
1266 | lbs_deb_enter(LBS_DEB_MAIN); | |
1267 | ||
1268 | netif_stop_queue(priv->dev); | |
1269 | netif_carrier_off(priv->dev); | |
1270 | ||
10078321 | 1271 | lbs_debugfs_remove_one(priv); |
10bca0d5 | 1272 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
020f3d00 DW |
1273 | if (priv->mesh_tlv) |
1274 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
954ee164 DW |
1275 | |
1276 | /* Flush pending command nodes */ | |
aa21c004 DW |
1277 | spin_lock_irqsave(&priv->driver_lock, flags); |
1278 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { | |
ae125bf8 | 1279 | cmdnode->result = -ENOENT; |
954ee164 DW |
1280 | cmdnode->cmdwaitqwoken = 1; |
1281 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1282 | } | |
aa21c004 | 1283 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1284 | |
1285 | unregister_netdev(dev); | |
1286 | ||
1287 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
32a74b7c | 1288 | return ret; |
876c9d3a | 1289 | } |
10078321 | 1290 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1291 | |
876c9d3a | 1292 | |
78523daa HS |
1293 | /** |
1294 | * @brief This function adds mshX interface | |
1295 | * | |
69f9032d | 1296 | * @param priv A pointer to the struct lbs_private structure |
78523daa HS |
1297 | * @return 0 if successful, -X otherwise |
1298 | */ | |
23a397ac | 1299 | static int lbs_add_mesh(struct lbs_private *priv) |
78523daa HS |
1300 | { |
1301 | struct net_device *mesh_dev = NULL; | |
1302 | int ret = 0; | |
1303 | ||
1304 | lbs_deb_enter(LBS_DEB_MESH); | |
1305 | ||
1306 | /* Allocate a virtual mesh device */ | |
1307 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1308 | lbs_deb_mesh("init mshX device failed\n"); | |
1309 | ret = -ENOMEM; | |
1310 | goto done; | |
1311 | } | |
1312 | mesh_dev->priv = priv; | |
1313 | priv->mesh_dev = mesh_dev; | |
1314 | ||
8552855f | 1315 | mesh_dev->open = lbs_dev_open; |
198cefb9 | 1316 | mesh_dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1317 | mesh_dev->stop = lbs_mesh_stop; |
10078321 HS |
1318 | mesh_dev->get_stats = lbs_get_stats; |
1319 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1320 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1321 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1322 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1323 | |
23a397ac | 1324 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
7732ca45 | 1325 | |
78523daa | 1326 | #ifdef WIRELESS_EXT |
f5e05b69 | 1327 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1328 | #endif |
78523daa HS |
1329 | /* Register virtual mesh interface */ |
1330 | ret = register_netdev(mesh_dev); | |
1331 | if (ret) { | |
1332 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1333 | goto err_free; | |
1334 | } | |
1335 | ||
10078321 | 1336 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1337 | if (ret) |
1338 | goto err_unregister; | |
1339 | ||
1340 | /* Everything successful */ | |
1341 | ret = 0; | |
1342 | goto done; | |
1343 | ||
78523daa HS |
1344 | err_unregister: |
1345 | unregister_netdev(mesh_dev); | |
1346 | ||
1347 | err_free: | |
1348 | free_netdev(mesh_dev); | |
1349 | ||
1350 | done: | |
1351 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1352 | return ret; | |
1353 | } | |
084708b6 | 1354 | |
23a397ac | 1355 | static void lbs_remove_mesh(struct lbs_private *priv) |
78523daa HS |
1356 | { |
1357 | struct net_device *mesh_dev; | |
1358 | ||
78523daa HS |
1359 | |
1360 | mesh_dev = priv->mesh_dev; | |
23a397ac | 1361 | if (!mesh_dev) |
61d30020 | 1362 | return; |
78523daa | 1363 | |
61d30020 | 1364 | lbs_deb_enter(LBS_DEB_MESH); |
78523daa | 1365 | netif_stop_queue(mesh_dev); |
51d84f50 | 1366 | netif_carrier_off(priv->mesh_dev); |
10078321 | 1367 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa | 1368 | unregister_netdev(mesh_dev); |
23a397ac | 1369 | priv->mesh_dev = NULL; |
78523daa | 1370 | free_netdev(mesh_dev); |
61d30020 | 1371 | lbs_deb_leave(LBS_DEB_MESH); |
78523daa HS |
1372 | } |
1373 | ||
876c9d3a MT |
1374 | /** |
1375 | * @brief This function finds the CFP in | |
1376 | * region_cfp_table based on region and band parameter. | |
1377 | * | |
1378 | * @param region The region code | |
1379 | * @param band The band | |
1380 | * @param cfp_no A pointer to CFP number | |
1381 | * @return A pointer to CFP | |
1382 | */ | |
e98a88dd | 1383 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no) |
876c9d3a MT |
1384 | { |
1385 | int i, end; | |
1386 | ||
9012b28a | 1387 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1388 | |
ff8ac609 | 1389 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1390 | |
1391 | for (i = 0; i < end ; i++) { | |
9012b28a | 1392 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1393 | region_cfp_table[i].region); |
1394 | if (region_cfp_table[i].region == region) { | |
1395 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1396 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1397 | return region_cfp_table[i].cfp_BG; |
1398 | } | |
1399 | } | |
1400 | ||
9012b28a | 1401 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1402 | return NULL; |
1403 | } | |
1404 | ||
69f9032d | 1405 | int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1406 | { |
9012b28a | 1407 | int ret = 0; |
876c9d3a MT |
1408 | int i = 0; |
1409 | ||
1410 | struct chan_freq_power *cfp; | |
1411 | int cfp_no; | |
1412 | ||
9012b28a | 1413 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1414 | |
aa21c004 | 1415 | memset(priv->region_channel, 0, sizeof(priv->region_channel)); |
876c9d3a | 1416 | |
e98a88dd | 1417 | cfp = lbs_get_region_cfp_table(region, &cfp_no); |
61d30020 HS |
1418 | if (cfp != NULL) { |
1419 | priv->region_channel[i].nrcfp = cfp_no; | |
1420 | priv->region_channel[i].CFP = cfp; | |
1421 | } else { | |
1422 | lbs_deb_main("wrong region code %#x in band B/G\n", | |
1423 | region); | |
1424 | ret = -1; | |
1425 | goto out; | |
876c9d3a | 1426 | } |
61d30020 HS |
1427 | priv->region_channel[i].valid = 1; |
1428 | priv->region_channel[i].region = region; | |
1429 | priv->region_channel[i].band = band; | |
1430 | i++; | |
9012b28a HS |
1431 | out: |
1432 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1433 | return ret; | |
876c9d3a MT |
1434 | } |
1435 | ||
1436 | /** | |
1437 | * @brief This function handles the interrupt. it will change PS | |
1438 | * state if applicable. it will wake up main_thread to handle | |
1439 | * the interrupt event as well. | |
1440 | * | |
1441 | * @param dev A pointer to net_device structure | |
1442 | * @return n/a | |
1443 | */ | |
4f679496 | 1444 | void lbs_interrupt(struct lbs_private *priv) |
876c9d3a | 1445 | { |
ed37b516 | 1446 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1447 | |
4f679496 | 1448 | lbs_deb_thread("lbs_interrupt: intcounter=%d\n", priv->intcounter); |
aa21c004 | 1449 | priv->intcounter++; |
4f679496 | 1450 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1451 | priv->psstate = PS_STATE_AWAKE; |
fe336150 | 1452 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1453 | |
ed37b516 | 1454 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1455 | } |
10078321 | 1456 | EXPORT_SYMBOL_GPL(lbs_interrupt); |
876c9d3a | 1457 | |
4fb910fd | 1458 | static int __init lbs_init_module(void) |
876c9d3a | 1459 | { |
9012b28a | 1460 | lbs_deb_enter(LBS_DEB_MAIN); |
f539f2ef HS |
1461 | memset(&confirm_sleep, 0, sizeof(confirm_sleep)); |
1462 | confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE); | |
1463 | confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep)); | |
1464 | confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); | |
10078321 | 1465 | lbs_debugfs_init(); |
084708b6 HS |
1466 | lbs_deb_leave(LBS_DEB_MAIN); |
1467 | return 0; | |
876c9d3a MT |
1468 | } |
1469 | ||
4fb910fd | 1470 | static void __exit lbs_exit_module(void) |
876c9d3a | 1471 | { |
9012b28a | 1472 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1473 | lbs_debugfs_remove(); |
9012b28a | 1474 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1475 | } |
1476 | ||
965f8bbc LCC |
1477 | /* |
1478 | * rtap interface support fuctions | |
1479 | */ | |
1480 | ||
10078321 | 1481 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc | 1482 | { |
8552855f | 1483 | /* Yes, _stop_ the queue. Because we don't support injection */ |
61d30020 HS |
1484 | lbs_deb_enter(LBS_DEB_MAIN); |
1485 | netif_carrier_off(dev); | |
1486 | netif_stop_queue(dev); | |
1487 | lbs_deb_leave(LBS_DEB_LEAVE); | |
1488 | return 0; | |
965f8bbc LCC |
1489 | } |
1490 | ||
10078321 | 1491 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc | 1492 | { |
61d30020 HS |
1493 | lbs_deb_enter(LBS_DEB_MAIN); |
1494 | lbs_deb_leave(LBS_DEB_MAIN); | |
1495 | return 0; | |
965f8bbc LCC |
1496 | } |
1497 | ||
10078321 | 1498 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc | 1499 | { |
61d30020 HS |
1500 | netif_stop_queue(dev); |
1501 | return NETDEV_TX_BUSY; | |
965f8bbc LCC |
1502 | } |
1503 | ||
10078321 | 1504 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1505 | { |
69f9032d | 1506 | struct lbs_private *priv = dev->priv; |
61d30020 | 1507 | lbs_deb_enter(LBS_DEB_NET); |
d9268fb9 | 1508 | return &priv->stats; |
965f8bbc LCC |
1509 | } |
1510 | ||
1511 | ||
2fd6cfe3 | 1512 | static void lbs_remove_rtap(struct lbs_private *priv) |
965f8bbc | 1513 | { |
61d30020 | 1514 | lbs_deb_enter(LBS_DEB_MAIN); |
965f8bbc LCC |
1515 | if (priv->rtap_net_dev == NULL) |
1516 | return; | |
1517 | unregister_netdev(priv->rtap_net_dev); | |
d9268fb9 | 1518 | free_netdev(priv->rtap_net_dev); |
965f8bbc | 1519 | priv->rtap_net_dev = NULL; |
61d30020 | 1520 | lbs_deb_leave(LBS_DEB_MAIN); |
965f8bbc LCC |
1521 | } |
1522 | ||
2fd6cfe3 | 1523 | static int lbs_add_rtap(struct lbs_private *priv) |
965f8bbc | 1524 | { |
61d30020 | 1525 | int ret = 0; |
d9268fb9 | 1526 | struct net_device *rtap_dev; |
965f8bbc | 1527 | |
61d30020 HS |
1528 | lbs_deb_enter(LBS_DEB_MAIN); |
1529 | if (priv->rtap_net_dev) { | |
1530 | ret = -EPERM; | |
1531 | goto out; | |
1532 | } | |
965f8bbc | 1533 | |
d9268fb9 | 1534 | rtap_dev = alloc_netdev(0, "rtap%d", ether_setup); |
61d30020 HS |
1535 | if (rtap_dev == NULL) { |
1536 | ret = -ENOMEM; | |
1537 | goto out; | |
1538 | } | |
965f8bbc | 1539 | |
121947c6 | 1540 | memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN); |
d9268fb9 DW |
1541 | rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP; |
1542 | rtap_dev->open = lbs_rtap_open; | |
1543 | rtap_dev->stop = lbs_rtap_stop; | |
1544 | rtap_dev->get_stats = lbs_rtap_get_stats; | |
1545 | rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1546 | rtap_dev->set_multicast_list = lbs_set_multicast_list; | |
1547 | rtap_dev->priv = priv; | |
965f8bbc | 1548 | |
61d30020 HS |
1549 | ret = register_netdev(rtap_dev); |
1550 | if (ret) { | |
d9268fb9 | 1551 | free_netdev(rtap_dev); |
61d30020 | 1552 | goto out; |
965f8bbc | 1553 | } |
d9268fb9 | 1554 | priv->rtap_net_dev = rtap_dev; |
965f8bbc | 1555 | |
61d30020 HS |
1556 | out: |
1557 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1558 | return ret; | |
965f8bbc LCC |
1559 | } |
1560 | ||
04850a47 HS |
1561 | #ifndef CONFIG_IEEE80211 |
1562 | const char *escape_essid(const char *essid, u8 essid_len) | |
1563 | { | |
1564 | static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; | |
1565 | const char *s = essid; | |
1566 | char *d = escaped; | |
1567 | ||
1568 | if (ieee80211_is_empty_essid(essid, essid_len)) { | |
1569 | memcpy(escaped, "<hidden>", sizeof("<hidden>")); | |
1570 | return escaped; | |
1571 | } | |
1572 | ||
1573 | essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE); | |
1574 | while (essid_len--) { | |
1575 | if (*s == '\0') { | |
1576 | *d++ = '\\'; | |
1577 | *d++ = '0'; | |
1578 | s++; | |
1579 | } else { | |
1580 | *d++ = *s++; | |
1581 | } | |
1582 | } | |
1583 | *d = '\0'; | |
1584 | return escaped; | |
1585 | } | |
1586 | #endif | |
965f8bbc | 1587 | |
10078321 HS |
1588 | module_init(lbs_init_module); |
1589 | module_exit(lbs_exit_module); | |
876c9d3a | 1590 | |
084708b6 | 1591 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1592 | MODULE_AUTHOR("Marvell International Ltd."); |
1593 | MODULE_LICENSE("GPL"); |