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" | |
965f8bbc | 23 | #include "join.h" |
6e66f03f | 24 | #include "cmd.h" |
876c9d3a | 25 | |
7856a541 | 26 | #define DRIVER_RELEASE_VERSION "323.p0" |
10078321 | 27 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
3ce40232 DW |
28 | #ifdef DEBUG |
29 | "-dbg" | |
30 | #endif | |
31 | ""; | |
32 | ||
a46c6410 HS |
33 | |
34 | /* Module parameters */ | |
10078321 HS |
35 | unsigned int lbs_debug; |
36 | EXPORT_SYMBOL_GPL(lbs_debug); | |
37 | module_param_named(libertas_debug, lbs_debug, int, 0644); | |
a46c6410 HS |
38 | |
39 | ||
10078321 HS |
40 | #define LBS_TX_PWR_DEFAULT 20 /*100mW */ |
41 | #define LBS_TX_PWR_US_DEFAULT 20 /*100mW */ | |
42 | #define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
43 | #define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
44 | #define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
876c9d3a MT |
45 | |
46 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
47 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
48 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
10078321 HS |
49 | {1, 2412, LBS_TX_PWR_US_DEFAULT}, |
50 | {2, 2417, LBS_TX_PWR_US_DEFAULT}, | |
51 | {3, 2422, LBS_TX_PWR_US_DEFAULT}, | |
52 | {4, 2427, LBS_TX_PWR_US_DEFAULT}, | |
53 | {5, 2432, LBS_TX_PWR_US_DEFAULT}, | |
54 | {6, 2437, LBS_TX_PWR_US_DEFAULT}, | |
55 | {7, 2442, LBS_TX_PWR_US_DEFAULT}, | |
56 | {8, 2447, LBS_TX_PWR_US_DEFAULT}, | |
57 | {9, 2452, LBS_TX_PWR_US_DEFAULT}, | |
58 | {10, 2457, LBS_TX_PWR_US_DEFAULT}, | |
59 | {11, 2462, LBS_TX_PWR_US_DEFAULT} | |
876c9d3a MT |
60 | }; |
61 | ||
62 | /* band: 'B/G', region: Europe ETSI */ | |
63 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
10078321 HS |
64 | {1, 2412, LBS_TX_PWR_EMEA_DEFAULT}, |
65 | {2, 2417, LBS_TX_PWR_EMEA_DEFAULT}, | |
66 | {3, 2422, LBS_TX_PWR_EMEA_DEFAULT}, | |
67 | {4, 2427, LBS_TX_PWR_EMEA_DEFAULT}, | |
68 | {5, 2432, LBS_TX_PWR_EMEA_DEFAULT}, | |
69 | {6, 2437, LBS_TX_PWR_EMEA_DEFAULT}, | |
70 | {7, 2442, LBS_TX_PWR_EMEA_DEFAULT}, | |
71 | {8, 2447, LBS_TX_PWR_EMEA_DEFAULT}, | |
72 | {9, 2452, LBS_TX_PWR_EMEA_DEFAULT}, | |
73 | {10, 2457, LBS_TX_PWR_EMEA_DEFAULT}, | |
74 | {11, 2462, LBS_TX_PWR_EMEA_DEFAULT}, | |
75 | {12, 2467, LBS_TX_PWR_EMEA_DEFAULT}, | |
76 | {13, 2472, LBS_TX_PWR_EMEA_DEFAULT} | |
876c9d3a MT |
77 | }; |
78 | ||
79 | /* band: 'B/G', region: Spain */ | |
80 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
10078321 HS |
81 | {10, 2457, LBS_TX_PWR_DEFAULT}, |
82 | {11, 2462, LBS_TX_PWR_DEFAULT} | |
876c9d3a MT |
83 | }; |
84 | ||
85 | /* band: 'B/G', region: France */ | |
86 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
10078321 HS |
87 | {10, 2457, LBS_TX_PWR_FR_DEFAULT}, |
88 | {11, 2462, LBS_TX_PWR_FR_DEFAULT}, | |
89 | {12, 2467, LBS_TX_PWR_FR_DEFAULT}, | |
90 | {13, 2472, LBS_TX_PWR_FR_DEFAULT} | |
876c9d3a MT |
91 | }; |
92 | ||
93 | /* band: 'B/G', region: Japan */ | |
94 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
10078321 HS |
95 | {1, 2412, LBS_TX_PWR_JP_DEFAULT}, |
96 | {2, 2417, LBS_TX_PWR_JP_DEFAULT}, | |
97 | {3, 2422, LBS_TX_PWR_JP_DEFAULT}, | |
98 | {4, 2427, LBS_TX_PWR_JP_DEFAULT}, | |
99 | {5, 2432, LBS_TX_PWR_JP_DEFAULT}, | |
100 | {6, 2437, LBS_TX_PWR_JP_DEFAULT}, | |
101 | {7, 2442, LBS_TX_PWR_JP_DEFAULT}, | |
102 | {8, 2447, LBS_TX_PWR_JP_DEFAULT}, | |
103 | {9, 2452, LBS_TX_PWR_JP_DEFAULT}, | |
104 | {10, 2457, LBS_TX_PWR_JP_DEFAULT}, | |
105 | {11, 2462, LBS_TX_PWR_JP_DEFAULT}, | |
106 | {12, 2467, LBS_TX_PWR_JP_DEFAULT}, | |
107 | {13, 2472, LBS_TX_PWR_JP_DEFAULT}, | |
108 | {14, 2484, LBS_TX_PWR_JP_DEFAULT} | |
876c9d3a MT |
109 | }; |
110 | ||
111 | /** | |
112 | * the structure for channel, frequency and power | |
113 | */ | |
114 | struct region_cfp_table { | |
115 | u8 region; | |
116 | struct chan_freq_power *cfp_BG; | |
117 | int cfp_no_BG; | |
118 | }; | |
119 | ||
120 | /** | |
121 | * the structure for the mapping between region and CFP | |
122 | */ | |
123 | static struct region_cfp_table region_cfp_table[] = { | |
124 | {0x10, /*US FCC */ | |
125 | channel_freq_power_US_BG, | |
ff8ac609 | 126 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
127 | } |
128 | , | |
129 | {0x20, /*CANADA IC */ | |
130 | channel_freq_power_US_BG, | |
ff8ac609 | 131 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
132 | } |
133 | , | |
134 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
ff8ac609 | 135 | ARRAY_SIZE(channel_freq_power_EU_BG), |
876c9d3a MT |
136 | } |
137 | , | |
138 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
ff8ac609 | 139 | ARRAY_SIZE(channel_freq_power_SPN_BG), |
876c9d3a MT |
140 | } |
141 | , | |
142 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
ff8ac609 | 143 | ARRAY_SIZE(channel_freq_power_FR_BG), |
876c9d3a MT |
144 | } |
145 | , | |
146 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
ff8ac609 | 147 | ARRAY_SIZE(channel_freq_power_JPN_BG), |
876c9d3a MT |
148 | } |
149 | , | |
150 | /*Add new region here */ | |
151 | }; | |
152 | ||
876c9d3a | 153 | /** |
8c512765 | 154 | * the table to keep region code |
876c9d3a | 155 | */ |
10078321 | 156 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
8c512765 | 157 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
876c9d3a MT |
158 | |
159 | /** | |
8c512765 | 160 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 161 | */ |
10078321 | 162 | u8 lbs_bg_rates[MAX_RATES] = |
8c512765 DW |
163 | { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, |
164 | 0x00, 0x00 }; | |
876c9d3a MT |
165 | |
166 | /** | |
8c512765 DW |
167 | * FW rate table. FW refers to rates by their index in this table, not by the |
168 | * rate value itself. Values of 0x00 are | |
169 | * reserved positions. | |
876c9d3a | 170 | */ |
8c512765 DW |
171 | static u8 fw_data_rates[MAX_RATES] = |
172 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
173 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
174 | }; | |
876c9d3a | 175 | |
876c9d3a | 176 | /** |
8c512765 DW |
177 | * @brief use index to get the data rate |
178 | * | |
179 | * @param idx The index of data rate | |
180 | * @return data rate or 0 | |
876c9d3a | 181 | */ |
10078321 | 182 | u32 lbs_fw_index_to_data_rate(u8 idx) |
8c512765 DW |
183 | { |
184 | if (idx >= sizeof(fw_data_rates)) | |
185 | idx = 0; | |
186 | return fw_data_rates[idx]; | |
187 | } | |
188 | ||
189 | /** | |
190 | * @brief use rate to get the index | |
191 | * | |
192 | * @param rate data rate | |
193 | * @return index or 0 | |
194 | */ | |
10078321 | 195 | u8 lbs_data_rate_to_fw_index(u32 rate) |
8c512765 DW |
196 | { |
197 | u8 i; | |
198 | ||
199 | if (!rate) | |
200 | return 0; | |
201 | ||
202 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
203 | if (rate == fw_data_rates[i]) | |
204 | return i; | |
205 | } | |
206 | return 0; | |
207 | } | |
876c9d3a | 208 | |
876c9d3a MT |
209 | /** |
210 | * Attributes exported through sysfs | |
211 | */ | |
876c9d3a MT |
212 | |
213 | /** | |
82fde74b | 214 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 215 | */ |
10078321 | 216 | static ssize_t lbs_anycast_get(struct device *dev, |
b59bb616 DW |
217 | struct device_attribute *attr, char * buf) |
218 | { | |
301eacbf | 219 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 220 | struct cmd_ds_mesh_access mesh_access; |
301eacbf | 221 | int ret; |
876c9d3a MT |
222 | |
223 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
301eacbf DW |
224 | |
225 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
226 | if (ret) | |
227 | return ret; | |
876c9d3a | 228 | |
82fde74b | 229 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
230 | } |
231 | ||
232 | /** | |
82fde74b | 233 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 234 | */ |
10078321 | 235 | static ssize_t lbs_anycast_set(struct device *dev, |
b59bb616 DW |
236 | struct device_attribute *attr, const char * buf, size_t count) |
237 | { | |
301eacbf | 238 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 239 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 240 | uint32_t datum; |
301eacbf | 241 | int ret; |
876c9d3a | 242 | |
876c9d3a | 243 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 244 | sscanf(buf, "%x", &datum); |
981f187b DW |
245 | mesh_access.data[0] = cpu_to_le32(datum); |
246 | ||
301eacbf DW |
247 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); |
248 | if (ret) | |
249 | return ret; | |
250 | ||
876c9d3a MT |
251 | return strlen(buf); |
252 | } | |
253 | ||
2fd6cfe3 DW |
254 | static int lbs_add_rtap(struct lbs_private *priv); |
255 | static void lbs_remove_rtap(struct lbs_private *priv); | |
23a397ac DW |
256 | static int lbs_add_mesh(struct lbs_private *priv); |
257 | static void lbs_remove_mesh(struct lbs_private *priv); | |
7e226272 | 258 | |
965f8bbc LCC |
259 | |
260 | /** | |
261 | * Get function for sysfs attribute rtap | |
262 | */ | |
10078321 | 263 | static ssize_t lbs_rtap_get(struct device *dev, |
965f8bbc LCC |
264 | struct device_attribute *attr, char * buf) |
265 | { | |
e7deced0 | 266 | struct lbs_private *priv = to_net_dev(dev)->priv; |
aa21c004 | 267 | return snprintf(buf, 5, "0x%X\n", priv->monitormode); |
965f8bbc LCC |
268 | } |
269 | ||
270 | /** | |
271 | * Set function for sysfs attribute rtap | |
272 | */ | |
10078321 | 273 | static ssize_t lbs_rtap_set(struct device *dev, |
965f8bbc LCC |
274 | struct device_attribute *attr, const char * buf, size_t count) |
275 | { | |
276 | int monitor_mode; | |
e7deced0 | 277 | struct lbs_private *priv = to_net_dev(dev)->priv; |
965f8bbc LCC |
278 | |
279 | sscanf(buf, "%x", &monitor_mode); | |
10078321 | 280 | if (monitor_mode != LBS_MONITOR_OFF) { |
aa21c004 | 281 | if(priv->monitormode == monitor_mode) |
965f8bbc | 282 | return strlen(buf); |
aa21c004 | 283 | if (priv->monitormode == LBS_MONITOR_OFF) { |
8552855f DW |
284 | if (priv->infra_open || priv->mesh_open) |
285 | return -EBUSY; | |
aa21c004 | 286 | if (priv->mode == IW_MODE_INFRA) |
10078321 | 287 | lbs_send_deauthentication(priv); |
aa21c004 | 288 | else if (priv->mode == IW_MODE_ADHOC) |
10078321 HS |
289 | lbs_stop_adhoc_network(priv); |
290 | lbs_add_rtap(priv); | |
965f8bbc | 291 | } |
aa21c004 | 292 | priv->monitormode = monitor_mode; |
965f8bbc LCC |
293 | } |
294 | ||
295 | else { | |
aa21c004 | 296 | if (priv->monitormode == LBS_MONITOR_OFF) |
965f8bbc | 297 | return strlen(buf); |
aa21c004 | 298 | priv->monitormode = LBS_MONITOR_OFF; |
10078321 | 299 | lbs_remove_rtap(priv); |
f86a93e1 | 300 | |
aa21c004 DW |
301 | if (priv->currenttxskb) { |
302 | dev_kfree_skb_any(priv->currenttxskb); | |
303 | priv->currenttxskb = NULL; | |
f86a93e1 DW |
304 | } |
305 | ||
306 | /* Wake queues, command thread, etc. */ | |
307 | lbs_host_to_card_done(priv); | |
965f8bbc LCC |
308 | } |
309 | ||
10078321 | 310 | lbs_prepare_and_send_command(priv, |
965f8bbc | 311 | CMD_802_11_MONITOR_MODE, CMD_ACT_SET, |
aa21c004 | 312 | CMD_OPTION_WAITFORRSP, 0, &priv->monitormode); |
965f8bbc LCC |
313 | return strlen(buf); |
314 | } | |
315 | ||
316 | /** | |
23a397ac DW |
317 | * lbs_rtap attribute to be exported per ethX interface |
318 | * through sysfs (/sys/class/net/ethX/lbs_rtap) | |
965f8bbc | 319 | */ |
23a397ac DW |
320 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set ); |
321 | ||
322 | /** | |
323 | * Get function for sysfs attribute mesh | |
324 | */ | |
325 | static ssize_t lbs_mesh_get(struct device *dev, | |
326 | struct device_attribute *attr, char * buf) | |
327 | { | |
328 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
329 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
330 | } | |
331 | ||
332 | /** | |
333 | * Set function for sysfs attribute mesh | |
334 | */ | |
335 | static ssize_t lbs_mesh_set(struct device *dev, | |
336 | struct device_attribute *attr, const char * buf, size_t count) | |
337 | { | |
338 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
339 | int enable; | |
340 | int ret; | |
341 | ||
342 | sscanf(buf, "%x", &enable); | |
343 | enable = !!enable; | |
344 | if (enable == !!priv->mesh_dev) | |
345 | return count; | |
346 | ||
86062134 | 347 | ret = lbs_mesh_config(priv, enable, priv->curbssparams.channel); |
23a397ac DW |
348 | if (ret) |
349 | return ret; | |
7e226272 | 350 | |
23a397ac DW |
351 | if (enable) |
352 | lbs_add_mesh(priv); | |
353 | else | |
354 | lbs_remove_mesh(priv); | |
355 | ||
356 | return count; | |
357 | } | |
358 | ||
359 | /** | |
360 | * lbs_mesh attribute to be exported per ethX interface | |
361 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
362 | */ | |
363 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
965f8bbc | 364 | |
876c9d3a | 365 | /** |
82fde74b LC |
366 | * anycast_mask attribute to be exported per mshX interface |
367 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 368 | */ |
10078321 | 369 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); |
876c9d3a | 370 | |
10078321 | 371 | static struct attribute *lbs_mesh_sysfs_entries[] = { |
a9f38d02 | 372 | &dev_attr_anycast_mask.attr, |
a9f38d02 LCC |
373 | NULL, |
374 | }; | |
375 | ||
10078321 HS |
376 | static struct attribute_group lbs_mesh_attr_group = { |
377 | .attrs = lbs_mesh_sysfs_entries, | |
a9f38d02 LCC |
378 | }; |
379 | ||
876c9d3a | 380 | /** |
8552855f | 381 | * @brief This function opens the ethX or mshX interface |
876c9d3a MT |
382 | * |
383 | * @param dev A pointer to net_device structure | |
8552855f | 384 | * @return 0 or -EBUSY if monitor mode active |
876c9d3a | 385 | */ |
10078321 | 386 | static int lbs_dev_open(struct net_device *dev) |
876c9d3a | 387 | { |
8552855f DW |
388 | struct lbs_private *priv = (struct lbs_private *) dev->priv ; |
389 | int ret = 0; | |
876c9d3a | 390 | |
61d30020 HS |
391 | lbs_deb_enter(LBS_DEB_NET); |
392 | ||
8552855f | 393 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 394 | |
8552855f DW |
395 | if (priv->monitormode != LBS_MONITOR_OFF) { |
396 | ret = -EBUSY; | |
397 | goto out; | |
398 | } | |
01d77d8d | 399 | |
8552855f DW |
400 | if (dev == priv->mesh_dev) { |
401 | priv->mesh_open = 1; | |
402 | priv->mesh_connect_status = LBS_CONNECTED; | |
403 | netif_carrier_on(dev); | |
404 | } else { | |
405 | priv->infra_open = 1; | |
7e226272 | 406 | |
8552855f DW |
407 | if (priv->connect_status == LBS_CONNECTED) |
408 | netif_carrier_on(dev); | |
01d77d8d | 409 | else |
8552855f | 410 | netif_carrier_off(dev); |
51d84f50 | 411 | } |
876c9d3a | 412 | |
8552855f DW |
413 | if (!priv->tx_pending_len) |
414 | netif_wake_queue(dev); | |
415 | out: | |
876c9d3a | 416 | |
8552855f | 417 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 418 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
8552855f | 419 | return ret; |
876c9d3a MT |
420 | } |
421 | ||
422 | /** | |
423 | * @brief This function closes the mshX interface | |
424 | * | |
425 | * @param dev A pointer to net_device structure | |
426 | * @return 0 | |
427 | */ | |
8552855f | 428 | static int lbs_mesh_stop(struct net_device *dev) |
876c9d3a | 429 | { |
69f9032d | 430 | struct lbs_private *priv = (struct lbs_private *) (dev->priv); |
876c9d3a | 431 | |
61d30020 | 432 | lbs_deb_enter(LBS_DEB_MESH); |
8552855f DW |
433 | spin_lock_irq(&priv->driver_lock); |
434 | ||
876c9d3a | 435 | priv->mesh_open = 0; |
8552855f DW |
436 | priv->mesh_connect_status = LBS_DISCONNECTED; |
437 | ||
438 | netif_stop_queue(dev); | |
439 | netif_carrier_off(dev); | |
7e226272 | 440 | |
8552855f | 441 | spin_unlock_irq(&priv->driver_lock); |
61d30020 HS |
442 | |
443 | lbs_deb_leave(LBS_DEB_MESH); | |
8552855f | 444 | return 0; |
876c9d3a MT |
445 | } |
446 | ||
447 | /** | |
448 | * @brief This function closes the ethX interface | |
449 | * | |
450 | * @param dev A pointer to net_device structure | |
451 | * @return 0 | |
452 | */ | |
8552855f | 453 | static int lbs_eth_stop(struct net_device *dev) |
78523daa | 454 | { |
69f9032d | 455 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 456 | |
61d30020 | 457 | lbs_deb_enter(LBS_DEB_NET); |
8552855f | 458 | |
61d30020 | 459 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 460 | priv->infra_open = 0; |
8552855f | 461 | netif_stop_queue(dev); |
8552855f | 462 | spin_unlock_irq(&priv->driver_lock); |
61d30020 HS |
463 | |
464 | lbs_deb_leave(LBS_DEB_NET); | |
8552855f | 465 | return 0; |
876c9d3a MT |
466 | } |
467 | ||
10078321 | 468 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 469 | { |
69f9032d | 470 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 471 | |
9012b28a | 472 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 473 | |
9012b28a | 474 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 475 | |
876c9d3a MT |
476 | dev->trans_start = jiffies; |
477 | ||
aa21c004 | 478 | if (priv->currenttxskb) { |
a63b22bb DW |
479 | priv->eventcause = 0x01000000; |
480 | lbs_send_tx_feedback(priv); | |
51d84f50 | 481 | } |
a63b22bb DW |
482 | /* XX: Shouldn't we also call into the hw-specific driver |
483 | to kick it somehow? */ | |
484 | lbs_host_to_card_done(priv); | |
876c9d3a | 485 | |
354eca98 DW |
486 | /* More often than not, this actually happens because the |
487 | firmware has crapped itself -- rather than just a very | |
488 | busy medium. So send a harmless command, and if/when | |
489 | _that_ times out, we'll kick it in the head. */ | |
490 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
491 | 0, 0, NULL); | |
492 | ||
9012b28a | 493 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
494 | } |
495 | ||
e775ed7c DW |
496 | void lbs_host_to_card_done(struct lbs_private *priv) |
497 | { | |
a63b22bb DW |
498 | unsigned long flags; |
499 | ||
61d30020 HS |
500 | lbs_deb_enter(LBS_DEB_THREAD); |
501 | ||
a63b22bb | 502 | spin_lock_irqsave(&priv->driver_lock, flags); |
e775ed7c DW |
503 | |
504 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
505 | ||
506 | /* Wake main thread if commands are pending */ | |
a27b9f96 | 507 | if (!priv->cur_cmd || priv->tx_pending_len > 0) |
e775ed7c DW |
508 | wake_up_interruptible(&priv->waitq); |
509 | ||
a63b22bb | 510 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 511 | lbs_deb_leave(LBS_DEB_THREAD); |
e775ed7c DW |
512 | } |
513 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | |
514 | ||
876c9d3a MT |
515 | /** |
516 | * @brief This function returns the network statistics | |
517 | * | |
69f9032d | 518 | * @param dev A pointer to struct lbs_private structure |
876c9d3a MT |
519 | * @return A pointer to net_device_stats structure |
520 | */ | |
10078321 | 521 | static struct net_device_stats *lbs_get_stats(struct net_device *dev) |
876c9d3a | 522 | { |
69f9032d | 523 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 524 | |
61d30020 | 525 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
526 | return &priv->stats; |
527 | } | |
528 | ||
10078321 | 529 | static int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
530 | { |
531 | int ret = 0; | |
69f9032d | 532 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a MT |
533 | struct sockaddr *phwaddr = addr; |
534 | ||
9012b28a | 535 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 536 | |
0a0d08ac LCCR |
537 | /* In case it was called from the mesh device */ |
538 | dev = priv->dev ; | |
539 | ||
aa21c004 | 540 | memset(priv->current_addr, 0, ETH_ALEN); |
876c9d3a MT |
541 | |
542 | /* dev->dev_addr is 8 bytes */ | |
ece56191 | 543 | lbs_deb_hex(LBS_DEB_NET, "dev->dev_addr", dev->dev_addr, ETH_ALEN); |
876c9d3a | 544 | |
ece56191 | 545 | lbs_deb_hex(LBS_DEB_NET, "addr", phwaddr->sa_data, ETH_ALEN); |
aa21c004 | 546 | memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); |
876c9d3a | 547 | |
10078321 | 548 | ret = lbs_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS, |
0aef64d7 DW |
549 | CMD_ACT_SET, |
550 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
876c9d3a MT |
551 | |
552 | if (ret) { | |
9012b28a | 553 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
554 | ret = -1; |
555 | goto done; | |
556 | } | |
557 | ||
aa21c004 DW |
558 | lbs_deb_hex(LBS_DEB_NET, "priv->macaddr", priv->current_addr, ETH_ALEN); |
559 | memcpy(dev->dev_addr, priv->current_addr, ETH_ALEN); | |
78523daa | 560 | if (priv->mesh_dev) |
aa21c004 | 561 | memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN); |
876c9d3a MT |
562 | |
563 | done: | |
9012b28a | 564 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
565 | return ret; |
566 | } | |
567 | ||
aa21c004 | 568 | static int lbs_copy_multicast_address(struct lbs_private *priv, |
876c9d3a MT |
569 | struct net_device *dev) |
570 | { | |
571 | int i = 0; | |
572 | struct dev_mc_list *mcptr = dev->mc_list; | |
573 | ||
574 | for (i = 0; i < dev->mc_count; i++) { | |
aa21c004 | 575 | memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); |
876c9d3a MT |
576 | mcptr = mcptr->next; |
577 | } | |
876c9d3a | 578 | return i; |
876c9d3a MT |
579 | } |
580 | ||
10078321 | 581 | static void lbs_set_multicast_list(struct net_device *dev) |
876c9d3a | 582 | { |
69f9032d | 583 | struct lbs_private *priv = dev->priv; |
876c9d3a | 584 | int oldpacketfilter; |
0795af57 | 585 | DECLARE_MAC_BUF(mac); |
876c9d3a | 586 | |
9012b28a | 587 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 588 | |
aa21c004 | 589 | oldpacketfilter = priv->currentpacketfilter; |
876c9d3a MT |
590 | |
591 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 592 | lbs_deb_net("enable promiscuous mode\n"); |
aa21c004 | 593 | priv->currentpacketfilter |= |
0aef64d7 | 594 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
aa21c004 | 595 | priv->currentpacketfilter &= |
0aef64d7 DW |
596 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
597 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
598 | } else { |
599 | /* Multicast */ | |
aa21c004 | 600 | priv->currentpacketfilter &= |
0aef64d7 | 601 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
602 | |
603 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
604 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 605 | lbs_deb_net( "enabling all multicast\n"); |
aa21c004 | 606 | priv->currentpacketfilter |= |
0aef64d7 | 607 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
aa21c004 | 608 | priv->currentpacketfilter &= |
0aef64d7 | 609 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a | 610 | } else { |
aa21c004 | 611 | priv->currentpacketfilter &= |
0aef64d7 | 612 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
613 | |
614 | if (!dev->mc_count) { | |
9012b28a HS |
615 | lbs_deb_net("no multicast addresses, " |
616 | "disabling multicast\n"); | |
aa21c004 | 617 | priv->currentpacketfilter &= |
0aef64d7 | 618 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
619 | } else { |
620 | int i; | |
621 | ||
aa21c004 | 622 | priv->currentpacketfilter |= |
0aef64d7 | 623 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a | 624 | |
aa21c004 DW |
625 | priv->nr_of_multicastmacaddr = |
626 | lbs_copy_multicast_address(priv, dev); | |
876c9d3a | 627 | |
9012b28a | 628 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
629 | dev->mc_count); |
630 | ||
631 | for (i = 0; i < dev->mc_count; i++) { | |
61d30020 | 632 | lbs_deb_net("Multicast address %d: %s\n", |
0795af57 | 633 | i, print_mac(mac, |
aa21c004 | 634 | priv->multicastlist[i])); |
876c9d3a | 635 | } |
9012b28a | 636 | /* send multicast addresses to firmware */ |
10078321 | 637 | lbs_prepare_and_send_command(priv, |
0aef64d7 DW |
638 | CMD_MAC_MULTICAST_ADR, |
639 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
640 | NULL); |
641 | } | |
642 | } | |
643 | } | |
644 | ||
aa21c004 | 645 | if (priv->currentpacketfilter != oldpacketfilter) { |
10078321 | 646 | lbs_set_mac_packet_filter(priv); |
876c9d3a MT |
647 | } |
648 | ||
9012b28a | 649 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
650 | } |
651 | ||
652 | /** | |
10078321 | 653 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
654 | * It handles all events generated by firmware, RX data received |
655 | * from firmware and TX data sent from kernel. | |
876c9d3a | 656 | * |
10078321 | 657 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
658 | * @return 0 |
659 | */ | |
10078321 | 660 | static int lbs_thread(void *data) |
876c9d3a | 661 | { |
fe336150 | 662 | struct net_device *dev = data; |
69f9032d | 663 | struct lbs_private *priv = dev->priv; |
876c9d3a MT |
664 | wait_queue_t wait; |
665 | u8 ireg = 0; | |
666 | ||
9012b28a | 667 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 668 | |
876c9d3a MT |
669 | init_waitqueue_entry(&wait, current); |
670 | ||
671 | for (;;) { | |
b8d40bc9 DW |
672 | int shouldsleep; |
673 | ||
59f3e4bf | 674 | lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 675 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a | 676 | |
fe336150 | 677 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a | 678 | set_current_state(TASK_INTERRUPTIBLE); |
aa21c004 | 679 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 680 | |
d9f88705 | 681 | if (kthread_should_stop()) |
b8d40bc9 | 682 | shouldsleep = 0; /* Bye */ |
d9f88705 DW |
683 | else if (priv->surpriseremoved) |
684 | shouldsleep = 1; /* We need to wait until we're _told_ to die */ | |
b8d40bc9 DW |
685 | else if (priv->psstate == PS_STATE_SLEEP) |
686 | shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */ | |
687 | else if (priv->intcounter) | |
688 | shouldsleep = 0; /* Interrupt pending. Deal with it now */ | |
2a345099 DW |
689 | else if (priv->cmd_timed_out) |
690 | shouldsleep = 0; /* Command timed out. Recover */ | |
b15152a4 DW |
691 | else if (!priv->fw_ready) |
692 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ | |
b8d40bc9 DW |
693 | else if (priv->dnld_sent) |
694 | shouldsleep = 1; /* Something is en route to the device already */ | |
2eb188a1 DW |
695 | else if (priv->tx_pending_len > 0) |
696 | shouldsleep = 0; /* We've a packet to send */ | |
b8d40bc9 DW |
697 | else if (priv->cur_cmd) |
698 | shouldsleep = 1; /* Can't send a command; one already running */ | |
699 | else if (!list_empty(&priv->cmdpendingq)) | |
700 | shouldsleep = 0; /* We have a command to send */ | |
701 | else | |
702 | shouldsleep = 1; /* No command */ | |
703 | ||
704 | if (shouldsleep) { | |
59f3e4bf | 705 | lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
aa21c004 DW |
706 | priv->connect_status, priv->intcounter, |
707 | priv->psmode, priv->psstate); | |
708 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
709 | schedule(); |
710 | } else | |
aa21c004 | 711 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 712 | |
59f3e4bf | 713 | lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 714 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
715 | |
716 | set_current_state(TASK_RUNNING); | |
fe336150 | 717 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a | 718 | |
59f3e4bf | 719 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 720 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a | 721 | |
d9f88705 DW |
722 | if (kthread_should_stop()) { |
723 | lbs_deb_thread("main-thread: break from main thread\n"); | |
876c9d3a MT |
724 | break; |
725 | } | |
726 | ||
d9f88705 DW |
727 | if (priv->surpriseremoved) { |
728 | lbs_deb_thread("adapter removed; waiting to die...\n"); | |
729 | continue; | |
730 | } | |
876c9d3a | 731 | |
aa21c004 | 732 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 733 | |
aa21c004 | 734 | if (priv->intcounter) { |
876c9d3a | 735 | u8 int_status; |
59f3e4bf | 736 | |
aa21c004 | 737 | priv->intcounter = 0; |
208fdd2f | 738 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
739 | |
740 | if (int_status) { | |
59f3e4bf | 741 | lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n"); |
aa21c004 | 742 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
743 | continue; |
744 | } | |
aa21c004 | 745 | priv->hisregcpy |= ireg; |
876c9d3a MT |
746 | } |
747 | ||
59f3e4bf | 748 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 749 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
750 | |
751 | /* command response? */ | |
aa21c004 | 752 | if (priv->hisregcpy & MRVDRV_CMD_UPLD_RDY) { |
9012b28a | 753 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a | 754 | |
aa21c004 DW |
755 | priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
756 | spin_unlock_irq(&priv->driver_lock); | |
10078321 | 757 | lbs_process_rx_command(priv); |
aa21c004 | 758 | spin_lock_irq(&priv->driver_lock); |
876c9d3a MT |
759 | } |
760 | ||
2a345099 DW |
761 | if (priv->cmd_timed_out && priv->cur_cmd) { |
762 | struct cmd_ctrl_node *cmdnode = priv->cur_cmd; | |
763 | ||
764 | if (++priv->nr_retries > 10) { | |
765 | lbs_pr_info("Excessive timeouts submitting command %x\n", | |
766 | le16_to_cpu(cmdnode->cmdbuf->command)); | |
767 | lbs_complete_command(priv, cmdnode, -ETIMEDOUT); | |
768 | priv->nr_retries = 0; | |
769 | } else { | |
770 | priv->cur_cmd = NULL; | |
771 | lbs_pr_info("requeueing command %x due to timeout (#%d)\n", | |
772 | le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries); | |
773 | ||
774 | /* Stick it back at the _top_ of the pending queue | |
775 | for immediate resubmission */ | |
776 | list_add(&cmdnode->list, &priv->cmdpendingq); | |
777 | } | |
778 | } | |
779 | priv->cmd_timed_out = 0; | |
780 | ||
876c9d3a | 781 | /* Any Card Event */ |
aa21c004 | 782 | if (priv->hisregcpy & MRVDRV_CARDEVENT) { |
9012b28a | 783 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a | 784 | |
aa21c004 | 785 | priv->hisregcpy &= ~MRVDRV_CARDEVENT; |
876c9d3a | 786 | |
208fdd2f | 787 | if (priv->hw_read_event_cause(priv)) { |
59f3e4bf | 788 | lbs_pr_alert("main-thread: hw_read_event_cause failed\n"); |
aa21c004 | 789 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
790 | continue; |
791 | } | |
aa21c004 | 792 | spin_unlock_irq(&priv->driver_lock); |
10078321 | 793 | lbs_process_event(priv); |
876c9d3a | 794 | } else |
aa21c004 | 795 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 796 | |
b15152a4 DW |
797 | if (!priv->fw_ready) |
798 | continue; | |
799 | ||
876c9d3a | 800 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
801 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
802 | !priv->dnld_sent && !priv->cur_cmd) { | |
803 | if (priv->connect_status == LBS_CONNECTED) { | |
59f3e4bf | 804 | lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n", |
aa21c004 | 805 | priv->intcounter, priv->currenttxskb, priv->dnld_sent, priv->cur_cmd); |
59f3e4bf | 806 | |
aa21c004 | 807 | lbs_ps_confirm_sleep(priv, (u16) priv->psmode); |
59f3e4bf DW |
808 | } else { |
809 | /* workaround for firmware sending | |
810 | * deauth/linkloss event immediately | |
811 | * after sleep request; remove this | |
812 | * after firmware fixes it | |
813 | */ | |
aa21c004 | 814 | priv->psstate = PS_STATE_AWAKE; |
59f3e4bf | 815 | lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n"); |
876c9d3a MT |
816 | } |
817 | } | |
818 | ||
819 | /* The PS state is changed during processing of Sleep Request | |
820 | * event above | |
821 | */ | |
aa21c004 DW |
822 | if ((priv->psstate == PS_STATE_SLEEP) || |
823 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
824 | continue; |
825 | ||
826 | /* Execute the next command */ | |
aa21c004 | 827 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 828 | lbs_execute_next_command(priv); |
876c9d3a MT |
829 | |
830 | /* Wake-up command waiters which can't sleep in | |
10078321 | 831 | * lbs_prepare_and_send_command |
876c9d3a | 832 | */ |
aa21c004 DW |
833 | if (!list_empty(&priv->cmdpendingq)) |
834 | wake_up_all(&priv->cmd_pending); | |
2eb188a1 DW |
835 | |
836 | spin_lock_irq(&priv->driver_lock); | |
837 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
838 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
839 | priv->tx_pending_buf, | |
840 | priv->tx_pending_len); | |
841 | if (ret) { | |
842 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
843 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
844 | } | |
845 | priv->tx_pending_len = 0; | |
846 | if (!priv->currenttxskb) { | |
847 | /* We can wake the queues immediately if we aren't | |
848 | waiting for TX feedback */ | |
849 | if (priv->connect_status == LBS_CONNECTED) | |
850 | netif_wake_queue(priv->dev); | |
851 | if (priv->mesh_dev && | |
852 | priv->mesh_connect_status == LBS_CONNECTED) | |
853 | netif_wake_queue(priv->mesh_dev); | |
854 | } | |
855 | } | |
856 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
857 | } |
858 | ||
aa21c004 DW |
859 | del_timer(&priv->command_timer); |
860 | wake_up_all(&priv->cmd_pending); | |
876c9d3a | 861 | |
9012b28a | 862 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
863 | return 0; |
864 | } | |
865 | ||
ab25ecae DW |
866 | static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy, |
867 | struct cmd_header *cmd) | |
868 | { | |
61d30020 | 869 | lbs_deb_enter(LBS_DEB_FW); |
ab25ecae DW |
870 | |
871 | netif_device_detach(priv->dev); | |
872 | if (priv->mesh_dev) | |
873 | netif_device_detach(priv->mesh_dev); | |
874 | ||
875 | priv->fw_ready = 0; | |
61d30020 | 876 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
877 | return 0; |
878 | } | |
879 | ||
ab25ecae DW |
880 | int lbs_suspend(struct lbs_private *priv) |
881 | { | |
882 | struct cmd_header cmd; | |
883 | int ret; | |
884 | ||
61d30020 HS |
885 | lbs_deb_enter(LBS_DEB_FW); |
886 | ||
506e9025 DW |
887 | if (priv->wol_criteria == 0xffffffff) { |
888 | lbs_pr_info("Suspend attempt without configuring wake params!\n"); | |
889 | return -EINVAL; | |
890 | } | |
891 | ||
ab25ecae | 892 | memset(&cmd, 0, sizeof(cmd)); |
7e226272 | 893 | |
ab25ecae DW |
894 | ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd, |
895 | sizeof(cmd), lbs_suspend_callback, 0); | |
896 | if (ret) | |
897 | lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret); | |
898 | ||
61d30020 | 899 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
ab25ecae DW |
900 | return ret; |
901 | } | |
902 | EXPORT_SYMBOL_GPL(lbs_suspend); | |
903 | ||
904 | int lbs_resume(struct lbs_private *priv) | |
905 | { | |
61d30020 HS |
906 | lbs_deb_enter(LBS_DEB_FW); |
907 | ||
ab25ecae DW |
908 | priv->fw_ready = 1; |
909 | ||
910 | /* Firmware doesn't seem to give us RX packets any more | |
911 | until we send it some command. Might as well update */ | |
912 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
913 | 0, 0, NULL); | |
914 | ||
915 | netif_device_attach(priv->dev); | |
916 | if (priv->mesh_dev) | |
917 | netif_device_attach(priv->mesh_dev); | |
918 | ||
61d30020 | 919 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
920 | return 0; |
921 | } | |
922 | EXPORT_SYMBOL_GPL(lbs_resume); | |
923 | ||
1df4e8fe HS |
924 | /** |
925 | * @brief This function downloads firmware image, gets | |
926 | * HW spec from firmware and set basic parameters to | |
927 | * firmware. | |
928 | * | |
69f9032d | 929 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
930 | * @return 0 or -1 |
931 | */ | |
69f9032d | 932 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
933 | { |
934 | int ret = -1; | |
1df4e8fe HS |
935 | |
936 | lbs_deb_enter(LBS_DEB_FW); | |
937 | ||
1df4e8fe HS |
938 | /* |
939 | * Read MAC address from HW | |
940 | */ | |
aa21c004 | 941 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 942 | ret = lbs_update_hw_spec(priv); |
1df4e8fe HS |
943 | if (ret) { |
944 | ret = -1; | |
945 | goto done; | |
946 | } | |
947 | ||
10078321 | 948 | lbs_set_mac_packet_filter(priv); |
1df4e8fe | 949 | |
8e3c91bb DW |
950 | ret = lbs_get_data_rate(priv); |
951 | if (ret < 0) { | |
1df4e8fe HS |
952 | ret = -1; |
953 | goto done; | |
954 | } | |
955 | ||
956 | ret = 0; | |
957 | done: | |
958 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
959 | return ret; | |
960 | } | |
961 | ||
1df4e8fe HS |
962 | /** |
963 | * This function handles the timeout of command sending. | |
964 | * It will re-send the same command again. | |
965 | */ | |
966 | static void command_timer_fn(unsigned long data) | |
967 | { | |
69f9032d | 968 | struct lbs_private *priv = (struct lbs_private *)data; |
1df4e8fe HS |
969 | unsigned long flags; |
970 | ||
61d30020 | 971 | lbs_deb_enter(LBS_DEB_CMD); |
2a345099 | 972 | spin_lock_irqsave(&priv->driver_lock, flags); |
1df4e8fe | 973 | |
2a345099 DW |
974 | if (!priv->cur_cmd) { |
975 | lbs_pr_info("Command timer expired; no pending command\n"); | |
976 | goto out; | |
1df4e8fe HS |
977 | } |
978 | ||
2a345099 | 979 | lbs_pr_info("Command %x timed out\n", le16_to_cpu(priv->cur_cmd->cmdbuf->command)); |
1df4e8fe | 980 | |
2a345099 | 981 | priv->cmd_timed_out = 1; |
1df4e8fe | 982 | wake_up_interruptible(&priv->waitq); |
61d30020 | 983 | out: |
2a345099 | 984 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 985 | lbs_deb_leave(LBS_DEB_CMD); |
1df4e8fe HS |
986 | } |
987 | ||
e226868e HS |
988 | static void lbs_sync_channel_worker(struct work_struct *work) |
989 | { | |
990 | struct lbs_private *priv = container_of(work, struct lbs_private, | |
991 | sync_channel); | |
992 | ||
993 | lbs_deb_enter(LBS_DEB_MAIN); | |
994 | if (lbs_update_channel(priv)) | |
995 | lbs_pr_info("Channel synchronization failed."); | |
996 | lbs_deb_leave(LBS_DEB_MAIN); | |
997 | } | |
998 | ||
999 | ||
69f9032d | 1000 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 1001 | { |
1df4e8fe | 1002 | size_t bufsize; |
954ee164 | 1003 | int i, ret = 0; |
1df4e8fe | 1004 | |
61d30020 HS |
1005 | lbs_deb_enter(LBS_DEB_MAIN); |
1006 | ||
1df4e8fe HS |
1007 | /* Allocate buffer to store the BSSID list */ |
1008 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
aa21c004 DW |
1009 | priv->networks = kzalloc(bufsize, GFP_KERNEL); |
1010 | if (!priv->networks) { | |
1df4e8fe | 1011 | lbs_pr_err("Out of memory allocating beacons\n"); |
954ee164 DW |
1012 | ret = -1; |
1013 | goto out; | |
1df4e8fe HS |
1014 | } |
1015 | ||
954ee164 | 1016 | /* Initialize scan result lists */ |
aa21c004 DW |
1017 | INIT_LIST_HEAD(&priv->network_free_list); |
1018 | INIT_LIST_HEAD(&priv->network_list); | |
954ee164 | 1019 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
aa21c004 DW |
1020 | list_add_tail(&priv->networks[i].list, |
1021 | &priv->network_free_list); | |
954ee164 | 1022 | } |
1df4e8fe | 1023 | |
aa21c004 DW |
1024 | priv->lbs_ps_confirm_sleep.seqnum = cpu_to_le16(++priv->seqnum); |
1025 | priv->lbs_ps_confirm_sleep.command = | |
1df4e8fe | 1026 | cpu_to_le16(CMD_802_11_PS_MODE); |
aa21c004 | 1027 | priv->lbs_ps_confirm_sleep.size = |
1df4e8fe | 1028 | cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep)); |
aa21c004 | 1029 | priv->lbs_ps_confirm_sleep.action = |
1df4e8fe HS |
1030 | cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); |
1031 | ||
aa21c004 | 1032 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 1033 | |
aa21c004 DW |
1034 | priv->connect_status = LBS_DISCONNECTED; |
1035 | priv->mesh_connect_status = LBS_DISCONNECTED; | |
1036 | priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; | |
1037 | priv->mode = IW_MODE_INFRA; | |
1038 | priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; | |
1039 | priv->currentpacketfilter = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; | |
1040 | priv->radioon = RADIO_ON; | |
1041 | priv->auto_rate = 1; | |
1042 | priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; | |
1043 | priv->psmode = LBS802_11POWERMODECAM; | |
1044 | priv->psstate = PS_STATE_FULL_POWER; | |
1df4e8fe | 1045 | |
aa21c004 | 1046 | mutex_init(&priv->lock); |
1df4e8fe | 1047 | |
aa21c004 | 1048 | setup_timer(&priv->command_timer, command_timer_fn, |
61d30020 | 1049 | (unsigned long)priv); |
1df4e8fe | 1050 | |
aa21c004 DW |
1051 | INIT_LIST_HEAD(&priv->cmdfreeq); |
1052 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 1053 | |
aa21c004 DW |
1054 | spin_lock_init(&priv->driver_lock); |
1055 | init_waitqueue_head(&priv->cmd_pending); | |
1df4e8fe | 1056 | |
954ee164 | 1057 | /* Allocate the command buffers */ |
10078321 | 1058 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 DW |
1059 | lbs_pr_err("Out of memory allocating command buffers\n"); |
1060 | ret = -1; | |
1061 | } | |
1df4e8fe | 1062 | |
954ee164 | 1063 | out: |
61d30020 HS |
1064 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1065 | ||
954ee164 DW |
1066 | return ret; |
1067 | } | |
1df4e8fe | 1068 | |
69f9032d | 1069 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 1070 | { |
61d30020 | 1071 | lbs_deb_enter(LBS_DEB_MAIN); |
1df4e8fe | 1072 | |
61d30020 | 1073 | lbs_free_cmd_buffer(priv); |
aa21c004 | 1074 | del_timer(&priv->command_timer); |
aa21c004 DW |
1075 | kfree(priv->networks); |
1076 | priv->networks = NULL; | |
61d30020 HS |
1077 | |
1078 | lbs_deb_leave(LBS_DEB_MAIN); | |
1df4e8fe HS |
1079 | } |
1080 | ||
876c9d3a MT |
1081 | /** |
1082 | * @brief This function adds the card. it will probe the | |
10078321 | 1083 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1084 | * |
1085 | * @param card A pointer to card | |
69f9032d | 1086 | * @return A pointer to struct lbs_private structure |
876c9d3a | 1087 | */ |
69f9032d | 1088 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1089 | { |
1090 | struct net_device *dev = NULL; | |
69f9032d | 1091 | struct lbs_private *priv = NULL; |
876c9d3a | 1092 | |
61d30020 | 1093 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1094 | |
1095 | /* Allocate an Ethernet device and register it */ | |
69f9032d HS |
1096 | dev = alloc_etherdev(sizeof(struct lbs_private)); |
1097 | if (!dev) { | |
9012b28a | 1098 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1099 | goto done; |
876c9d3a | 1100 | } |
64f104e8 | 1101 | priv = dev->priv; |
876c9d3a | 1102 | |
10078321 | 1103 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1104 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1105 | goto err_init_adapter; | |
1106 | } | |
1107 | ||
634b8f49 HS |
1108 | priv->dev = dev; |
1109 | priv->card = card; | |
876c9d3a MT |
1110 | priv->mesh_open = 0; |
1111 | priv->infra_open = 0; | |
876c9d3a | 1112 | |
876c9d3a | 1113 | /* Setup the OS Interface to our functions */ |
8552855f | 1114 | dev->open = lbs_dev_open; |
198cefb9 | 1115 | dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1116 | dev->stop = lbs_eth_stop; |
10078321 HS |
1117 | dev->set_mac_address = lbs_set_mac_address; |
1118 | dev->tx_timeout = lbs_tx_timeout; | |
1119 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1120 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1121 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1122 | #ifdef WIRELESS_EXT |
10078321 | 1123 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1124 | #endif |
876c9d3a | 1125 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1126 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1127 | |
7732ca45 DW |
1128 | SET_NETDEV_DEV(dev, dmdev); |
1129 | ||
965f8bbc | 1130 | priv->rtap_net_dev = NULL; |
954ee164 DW |
1131 | |
1132 | lbs_deb_thread("Starting main thread...\n"); | |
1133 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1134 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1135 | if (IS_ERR(priv->main_thread)) { |
1136 | lbs_deb_thread("Error creating main thread.\n"); | |
e7deced0 | 1137 | goto err_init_adapter; |
954ee164 DW |
1138 | } |
1139 | ||
10078321 HS |
1140 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1141 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1142 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
e226868e | 1143 | INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); |
954ee164 | 1144 | |
23a397ac DW |
1145 | sprintf(priv->mesh_ssid, "mesh"); |
1146 | priv->mesh_ssid_len = 4; | |
1147 | ||
506e9025 DW |
1148 | priv->wol_criteria = 0xffffffff; |
1149 | priv->wol_gpio = 0xff; | |
1150 | ||
32a74b7c HS |
1151 | goto done; |
1152 | ||
954ee164 | 1153 | err_init_adapter: |
10078321 | 1154 | lbs_free_adapter(priv); |
32a74b7c | 1155 | free_netdev(dev); |
6a812157 | 1156 | priv = NULL; |
954ee164 | 1157 | |
32a74b7c | 1158 | done: |
61d30020 | 1159 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
32a74b7c HS |
1160 | return priv; |
1161 | } | |
10078321 | 1162 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1163 | |
954ee164 | 1164 | |
69f9032d | 1165 | int lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 1166 | { |
634b8f49 | 1167 | struct net_device *dev = priv->dev; |
954ee164 | 1168 | union iwreq_data wrqu; |
32a74b7c HS |
1169 | |
1170 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1171 | |
23a397ac | 1172 | lbs_remove_mesh(priv); |
10078321 | 1173 | lbs_remove_rtap(priv); |
876c9d3a | 1174 | |
954ee164 | 1175 | dev = priv->dev; |
2afc0c5d | 1176 | |
954ee164 DW |
1177 | cancel_delayed_work(&priv->scan_work); |
1178 | cancel_delayed_work(&priv->assoc_work); | |
1179 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1180 | |
aa21c004 DW |
1181 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
1182 | priv->psmode = LBS802_11POWERMODECAM; | |
10078321 | 1183 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); |
876c9d3a MT |
1184 | } |
1185 | ||
954ee164 DW |
1186 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1187 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1188 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1189 | ||
1190 | /* Stop the thread servicing the interrupts */ | |
aa21c004 | 1191 | priv->surpriseremoved = 1; |
954ee164 DW |
1192 | kthread_stop(priv->main_thread); |
1193 | ||
10078321 | 1194 | lbs_free_adapter(priv); |
954ee164 DW |
1195 | |
1196 | priv->dev = NULL; | |
1197 | free_netdev(dev); | |
1198 | ||
1199 | lbs_deb_leave(LBS_DEB_MAIN); | |
1200 | return 0; | |
1201 | } | |
10078321 | 1202 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1203 | |
1204 | ||
69f9032d | 1205 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
1206 | { |
1207 | struct net_device *dev = priv->dev; | |
1208 | int ret = -1; | |
1209 | ||
1210 | lbs_deb_enter(LBS_DEB_MAIN); | |
1211 | ||
1212 | /* poke the firmware */ | |
10078321 | 1213 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1214 | if (ret) |
1215 | goto done; | |
1216 | ||
1217 | /* init 802.11d */ | |
10078321 | 1218 | lbs_init_11d(priv); |
876c9d3a MT |
1219 | |
1220 | if (register_netdev(dev)) { | |
9012b28a | 1221 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1222 | goto done; |
876c9d3a | 1223 | } |
e7deced0 DW |
1224 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1225 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | |
020f3d00 | 1226 | |
020f3d00 | 1227 | lbs_update_channel(priv); |
020f3d00 | 1228 | |
c9d1be36 HS |
1229 | /* 5.0.16p0 is known to NOT support any mesh */ |
1230 | if (priv->fwrelease > 0x05001000) { | |
1231 | /* Enable mesh, if supported, and work out which TLV it uses. | |
1232 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
1233 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
1234 | but we check them in that order because 20.pXX doesn't | |
1235 | give an error -- it just silently fails. */ | |
1236 | ||
1237 | /* 5.110.20.pXX firmware will fail the command if the channel | |
1238 | doesn't match the existing channel. But only if the TLV | |
1239 | is correct. If the channel is wrong, _BOTH_ versions will | |
1240 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
1241 | It's just that 5.110.20.pXX will not have done anything | |
1242 | useful */ | |
1243 | ||
1244 | priv->mesh_tlv = 0x100 + 291; | |
1245 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) { | |
1246 | priv->mesh_tlv = 0x100 + 37; | |
1247 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) | |
1248 | priv->mesh_tlv = 0; | |
1249 | } | |
1250 | if (priv->mesh_tlv) { | |
1251 | lbs_add_mesh(priv); | |
1252 | ||
1253 | if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) | |
1254 | lbs_pr_err("cannot register lbs_mesh attribute\n"); | |
1255 | } | |
020f3d00 | 1256 | } |
876c9d3a | 1257 | |
10078321 | 1258 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1259 | |
954ee164 DW |
1260 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1261 | ||
32a74b7c | 1262 | ret = 0; |
876c9d3a | 1263 | |
32a74b7c | 1264 | done: |
954ee164 DW |
1265 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1266 | return ret; | |
1267 | } | |
10078321 | 1268 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1269 | |
1270 | ||
69f9032d | 1271 | int lbs_stop_card(struct lbs_private *priv) |
954ee164 DW |
1272 | { |
1273 | struct net_device *dev = priv->dev; | |
1274 | int ret = -1; | |
1275 | struct cmd_ctrl_node *cmdnode; | |
1276 | unsigned long flags; | |
1277 | ||
1278 | lbs_deb_enter(LBS_DEB_MAIN); | |
1279 | ||
1280 | netif_stop_queue(priv->dev); | |
1281 | netif_carrier_off(priv->dev); | |
1282 | ||
10078321 | 1283 | lbs_debugfs_remove_one(priv); |
10bca0d5 | 1284 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
020f3d00 DW |
1285 | if (priv->mesh_tlv) |
1286 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
954ee164 DW |
1287 | |
1288 | /* Flush pending command nodes */ | |
aa21c004 DW |
1289 | spin_lock_irqsave(&priv->driver_lock, flags); |
1290 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { | |
ae125bf8 | 1291 | cmdnode->result = -ENOENT; |
954ee164 DW |
1292 | cmdnode->cmdwaitqwoken = 1; |
1293 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1294 | } | |
aa21c004 | 1295 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1296 | |
1297 | unregister_netdev(dev); | |
1298 | ||
1299 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
32a74b7c | 1300 | return ret; |
876c9d3a | 1301 | } |
10078321 | 1302 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1303 | |
876c9d3a | 1304 | |
78523daa HS |
1305 | /** |
1306 | * @brief This function adds mshX interface | |
1307 | * | |
69f9032d | 1308 | * @param priv A pointer to the struct lbs_private structure |
78523daa HS |
1309 | * @return 0 if successful, -X otherwise |
1310 | */ | |
23a397ac | 1311 | static int lbs_add_mesh(struct lbs_private *priv) |
78523daa HS |
1312 | { |
1313 | struct net_device *mesh_dev = NULL; | |
1314 | int ret = 0; | |
1315 | ||
1316 | lbs_deb_enter(LBS_DEB_MESH); | |
1317 | ||
1318 | /* Allocate a virtual mesh device */ | |
1319 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1320 | lbs_deb_mesh("init mshX device failed\n"); | |
1321 | ret = -ENOMEM; | |
1322 | goto done; | |
1323 | } | |
1324 | mesh_dev->priv = priv; | |
1325 | priv->mesh_dev = mesh_dev; | |
1326 | ||
8552855f | 1327 | mesh_dev->open = lbs_dev_open; |
198cefb9 | 1328 | mesh_dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1329 | mesh_dev->stop = lbs_mesh_stop; |
10078321 HS |
1330 | mesh_dev->get_stats = lbs_get_stats; |
1331 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1332 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1333 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1334 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1335 | |
23a397ac | 1336 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
7732ca45 | 1337 | |
78523daa | 1338 | #ifdef WIRELESS_EXT |
f5e05b69 | 1339 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1340 | #endif |
78523daa HS |
1341 | /* Register virtual mesh interface */ |
1342 | ret = register_netdev(mesh_dev); | |
1343 | if (ret) { | |
1344 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1345 | goto err_free; | |
1346 | } | |
1347 | ||
10078321 | 1348 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1349 | if (ret) |
1350 | goto err_unregister; | |
1351 | ||
1352 | /* Everything successful */ | |
1353 | ret = 0; | |
1354 | goto done; | |
1355 | ||
78523daa HS |
1356 | err_unregister: |
1357 | unregister_netdev(mesh_dev); | |
1358 | ||
1359 | err_free: | |
1360 | free_netdev(mesh_dev); | |
1361 | ||
1362 | done: | |
1363 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1364 | return ret; | |
1365 | } | |
084708b6 | 1366 | |
23a397ac | 1367 | static void lbs_remove_mesh(struct lbs_private *priv) |
78523daa HS |
1368 | { |
1369 | struct net_device *mesh_dev; | |
1370 | ||
78523daa HS |
1371 | |
1372 | mesh_dev = priv->mesh_dev; | |
23a397ac | 1373 | if (!mesh_dev) |
61d30020 | 1374 | return; |
78523daa | 1375 | |
61d30020 | 1376 | lbs_deb_enter(LBS_DEB_MESH); |
78523daa | 1377 | netif_stop_queue(mesh_dev); |
51d84f50 | 1378 | netif_carrier_off(priv->mesh_dev); |
10078321 | 1379 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa | 1380 | unregister_netdev(mesh_dev); |
23a397ac | 1381 | priv->mesh_dev = NULL; |
78523daa | 1382 | free_netdev(mesh_dev); |
61d30020 | 1383 | lbs_deb_leave(LBS_DEB_MESH); |
78523daa HS |
1384 | } |
1385 | ||
876c9d3a MT |
1386 | /** |
1387 | * @brief This function finds the CFP in | |
1388 | * region_cfp_table based on region and band parameter. | |
1389 | * | |
1390 | * @param region The region code | |
1391 | * @param band The band | |
1392 | * @param cfp_no A pointer to CFP number | |
1393 | * @return A pointer to CFP | |
1394 | */ | |
10078321 | 1395 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, u8 band, int *cfp_no) |
876c9d3a MT |
1396 | { |
1397 | int i, end; | |
1398 | ||
9012b28a | 1399 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1400 | |
ff8ac609 | 1401 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1402 | |
1403 | for (i = 0; i < end ; i++) { | |
9012b28a | 1404 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1405 | region_cfp_table[i].region); |
1406 | if (region_cfp_table[i].region == region) { | |
1407 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1408 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1409 | return region_cfp_table[i].cfp_BG; |
1410 | } | |
1411 | } | |
1412 | ||
9012b28a | 1413 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1414 | return NULL; |
1415 | } | |
1416 | ||
69f9032d | 1417 | int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1418 | { |
9012b28a | 1419 | int ret = 0; |
876c9d3a MT |
1420 | int i = 0; |
1421 | ||
1422 | struct chan_freq_power *cfp; | |
1423 | int cfp_no; | |
1424 | ||
9012b28a | 1425 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1426 | |
aa21c004 | 1427 | memset(priv->region_channel, 0, sizeof(priv->region_channel)); |
876c9d3a | 1428 | |
61d30020 HS |
1429 | cfp = lbs_get_region_cfp_table(region, band, &cfp_no); |
1430 | if (cfp != NULL) { | |
1431 | priv->region_channel[i].nrcfp = cfp_no; | |
1432 | priv->region_channel[i].CFP = cfp; | |
1433 | } else { | |
1434 | lbs_deb_main("wrong region code %#x in band B/G\n", | |
1435 | region); | |
1436 | ret = -1; | |
1437 | goto out; | |
876c9d3a | 1438 | } |
61d30020 HS |
1439 | priv->region_channel[i].valid = 1; |
1440 | priv->region_channel[i].region = region; | |
1441 | priv->region_channel[i].band = band; | |
1442 | i++; | |
9012b28a HS |
1443 | out: |
1444 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1445 | return ret; | |
876c9d3a MT |
1446 | } |
1447 | ||
1448 | /** | |
1449 | * @brief This function handles the interrupt. it will change PS | |
1450 | * state if applicable. it will wake up main_thread to handle | |
1451 | * the interrupt event as well. | |
1452 | * | |
1453 | * @param dev A pointer to net_device structure | |
1454 | * @return n/a | |
1455 | */ | |
4f679496 | 1456 | void lbs_interrupt(struct lbs_private *priv) |
876c9d3a | 1457 | { |
ed37b516 | 1458 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1459 | |
4f679496 | 1460 | lbs_deb_thread("lbs_interrupt: intcounter=%d\n", priv->intcounter); |
aa21c004 | 1461 | priv->intcounter++; |
4f679496 | 1462 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1463 | priv->psstate = PS_STATE_AWAKE; |
fe336150 | 1464 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1465 | |
ed37b516 | 1466 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1467 | } |
10078321 | 1468 | EXPORT_SYMBOL_GPL(lbs_interrupt); |
876c9d3a | 1469 | |
4fb910fd | 1470 | static int __init lbs_init_module(void) |
876c9d3a | 1471 | { |
9012b28a | 1472 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1473 | lbs_debugfs_init(); |
084708b6 HS |
1474 | lbs_deb_leave(LBS_DEB_MAIN); |
1475 | return 0; | |
876c9d3a MT |
1476 | } |
1477 | ||
4fb910fd | 1478 | static void __exit lbs_exit_module(void) |
876c9d3a | 1479 | { |
9012b28a | 1480 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1481 | lbs_debugfs_remove(); |
9012b28a | 1482 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1483 | } |
1484 | ||
965f8bbc LCC |
1485 | /* |
1486 | * rtap interface support fuctions | |
1487 | */ | |
1488 | ||
10078321 | 1489 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc | 1490 | { |
8552855f | 1491 | /* Yes, _stop_ the queue. Because we don't support injection */ |
61d30020 HS |
1492 | lbs_deb_enter(LBS_DEB_MAIN); |
1493 | netif_carrier_off(dev); | |
1494 | netif_stop_queue(dev); | |
1495 | lbs_deb_leave(LBS_DEB_LEAVE); | |
1496 | return 0; | |
965f8bbc LCC |
1497 | } |
1498 | ||
10078321 | 1499 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc | 1500 | { |
61d30020 HS |
1501 | lbs_deb_enter(LBS_DEB_MAIN); |
1502 | lbs_deb_leave(LBS_DEB_MAIN); | |
1503 | return 0; | |
965f8bbc LCC |
1504 | } |
1505 | ||
10078321 | 1506 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc | 1507 | { |
61d30020 HS |
1508 | netif_stop_queue(dev); |
1509 | return NETDEV_TX_BUSY; | |
965f8bbc LCC |
1510 | } |
1511 | ||
10078321 | 1512 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1513 | { |
69f9032d | 1514 | struct lbs_private *priv = dev->priv; |
61d30020 | 1515 | lbs_deb_enter(LBS_DEB_NET); |
d9268fb9 | 1516 | return &priv->stats; |
965f8bbc LCC |
1517 | } |
1518 | ||
1519 | ||
2fd6cfe3 | 1520 | static void lbs_remove_rtap(struct lbs_private *priv) |
965f8bbc | 1521 | { |
61d30020 | 1522 | lbs_deb_enter(LBS_DEB_MAIN); |
965f8bbc LCC |
1523 | if (priv->rtap_net_dev == NULL) |
1524 | return; | |
1525 | unregister_netdev(priv->rtap_net_dev); | |
d9268fb9 | 1526 | free_netdev(priv->rtap_net_dev); |
965f8bbc | 1527 | priv->rtap_net_dev = NULL; |
61d30020 | 1528 | lbs_deb_leave(LBS_DEB_MAIN); |
965f8bbc LCC |
1529 | } |
1530 | ||
2fd6cfe3 | 1531 | static int lbs_add_rtap(struct lbs_private *priv) |
965f8bbc | 1532 | { |
61d30020 | 1533 | int ret = 0; |
d9268fb9 | 1534 | struct net_device *rtap_dev; |
965f8bbc | 1535 | |
61d30020 HS |
1536 | lbs_deb_enter(LBS_DEB_MAIN); |
1537 | if (priv->rtap_net_dev) { | |
1538 | ret = -EPERM; | |
1539 | goto out; | |
1540 | } | |
965f8bbc | 1541 | |
d9268fb9 | 1542 | rtap_dev = alloc_netdev(0, "rtap%d", ether_setup); |
61d30020 HS |
1543 | if (rtap_dev == NULL) { |
1544 | ret = -ENOMEM; | |
1545 | goto out; | |
1546 | } | |
965f8bbc | 1547 | |
121947c6 | 1548 | memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN); |
d9268fb9 DW |
1549 | rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP; |
1550 | rtap_dev->open = lbs_rtap_open; | |
1551 | rtap_dev->stop = lbs_rtap_stop; | |
1552 | rtap_dev->get_stats = lbs_rtap_get_stats; | |
1553 | rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1554 | rtap_dev->set_multicast_list = lbs_set_multicast_list; | |
1555 | rtap_dev->priv = priv; | |
965f8bbc | 1556 | |
61d30020 HS |
1557 | ret = register_netdev(rtap_dev); |
1558 | if (ret) { | |
d9268fb9 | 1559 | free_netdev(rtap_dev); |
61d30020 | 1560 | goto out; |
965f8bbc | 1561 | } |
d9268fb9 | 1562 | priv->rtap_net_dev = rtap_dev; |
965f8bbc | 1563 | |
61d30020 HS |
1564 | out: |
1565 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1566 | return ret; | |
965f8bbc LCC |
1567 | } |
1568 | ||
1569 | ||
10078321 HS |
1570 | module_init(lbs_init_module); |
1571 | module_exit(lbs_exit_module); | |
876c9d3a | 1572 | |
084708b6 | 1573 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1574 | MODULE_AUTHOR("Marvell International Ltd."); |
1575 | MODULE_LICENSE("GPL"); |