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> |
7919b89c | 13 | #include <linux/kfifo.h> |
876c9d3a MT |
14 | |
15 | #include <net/iw_handler.h> | |
9012b28a | 16 | #include <net/ieee80211.h> |
876c9d3a MT |
17 | |
18 | #include "host.h" | |
876c9d3a MT |
19 | #include "decl.h" |
20 | #include "dev.h" | |
876c9d3a MT |
21 | #include "wext.h" |
22 | #include "debugfs.h" | |
245bf20f | 23 | #include "scan.h" |
876c9d3a | 24 | #include "assoc.h" |
6e66f03f | 25 | #include "cmd.h" |
876c9d3a | 26 | |
7856a541 | 27 | #define DRIVER_RELEASE_VERSION "323.p0" |
10078321 | 28 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
3ce40232 DW |
29 | #ifdef DEBUG |
30 | "-dbg" | |
31 | #endif | |
32 | ""; | |
33 | ||
a46c6410 HS |
34 | |
35 | /* Module parameters */ | |
10078321 HS |
36 | unsigned int lbs_debug; |
37 | EXPORT_SYMBOL_GPL(lbs_debug); | |
38 | module_param_named(libertas_debug, lbs_debug, int, 0644); | |
a46c6410 HS |
39 | |
40 | ||
f539f2ef HS |
41 | /* This global structure is used to send the confirm_sleep command as |
42 | * fast as possible down to the firmware. */ | |
43 | struct cmd_confirm_sleep confirm_sleep; | |
44 | ||
45 | ||
10078321 HS |
46 | #define LBS_TX_PWR_DEFAULT 20 /*100mW */ |
47 | #define LBS_TX_PWR_US_DEFAULT 20 /*100mW */ | |
48 | #define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
49 | #define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
50 | #define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
876c9d3a MT |
51 | |
52 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
53 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
54 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
10078321 HS |
55 | {1, 2412, LBS_TX_PWR_US_DEFAULT}, |
56 | {2, 2417, LBS_TX_PWR_US_DEFAULT}, | |
57 | {3, 2422, LBS_TX_PWR_US_DEFAULT}, | |
58 | {4, 2427, LBS_TX_PWR_US_DEFAULT}, | |
59 | {5, 2432, LBS_TX_PWR_US_DEFAULT}, | |
60 | {6, 2437, LBS_TX_PWR_US_DEFAULT}, | |
61 | {7, 2442, LBS_TX_PWR_US_DEFAULT}, | |
62 | {8, 2447, LBS_TX_PWR_US_DEFAULT}, | |
63 | {9, 2452, LBS_TX_PWR_US_DEFAULT}, | |
64 | {10, 2457, LBS_TX_PWR_US_DEFAULT}, | |
65 | {11, 2462, LBS_TX_PWR_US_DEFAULT} | |
876c9d3a MT |
66 | }; |
67 | ||
68 | /* band: 'B/G', region: Europe ETSI */ | |
69 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
10078321 HS |
70 | {1, 2412, LBS_TX_PWR_EMEA_DEFAULT}, |
71 | {2, 2417, LBS_TX_PWR_EMEA_DEFAULT}, | |
72 | {3, 2422, LBS_TX_PWR_EMEA_DEFAULT}, | |
73 | {4, 2427, LBS_TX_PWR_EMEA_DEFAULT}, | |
74 | {5, 2432, LBS_TX_PWR_EMEA_DEFAULT}, | |
75 | {6, 2437, LBS_TX_PWR_EMEA_DEFAULT}, | |
76 | {7, 2442, LBS_TX_PWR_EMEA_DEFAULT}, | |
77 | {8, 2447, LBS_TX_PWR_EMEA_DEFAULT}, | |
78 | {9, 2452, LBS_TX_PWR_EMEA_DEFAULT}, | |
79 | {10, 2457, LBS_TX_PWR_EMEA_DEFAULT}, | |
80 | {11, 2462, LBS_TX_PWR_EMEA_DEFAULT}, | |
81 | {12, 2467, LBS_TX_PWR_EMEA_DEFAULT}, | |
82 | {13, 2472, LBS_TX_PWR_EMEA_DEFAULT} | |
876c9d3a MT |
83 | }; |
84 | ||
85 | /* band: 'B/G', region: Spain */ | |
86 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
10078321 HS |
87 | {10, 2457, LBS_TX_PWR_DEFAULT}, |
88 | {11, 2462, LBS_TX_PWR_DEFAULT} | |
876c9d3a MT |
89 | }; |
90 | ||
91 | /* band: 'B/G', region: France */ | |
92 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
10078321 HS |
93 | {10, 2457, LBS_TX_PWR_FR_DEFAULT}, |
94 | {11, 2462, LBS_TX_PWR_FR_DEFAULT}, | |
95 | {12, 2467, LBS_TX_PWR_FR_DEFAULT}, | |
96 | {13, 2472, LBS_TX_PWR_FR_DEFAULT} | |
876c9d3a MT |
97 | }; |
98 | ||
99 | /* band: 'B/G', region: Japan */ | |
100 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
10078321 HS |
101 | {1, 2412, LBS_TX_PWR_JP_DEFAULT}, |
102 | {2, 2417, LBS_TX_PWR_JP_DEFAULT}, | |
103 | {3, 2422, LBS_TX_PWR_JP_DEFAULT}, | |
104 | {4, 2427, LBS_TX_PWR_JP_DEFAULT}, | |
105 | {5, 2432, LBS_TX_PWR_JP_DEFAULT}, | |
106 | {6, 2437, LBS_TX_PWR_JP_DEFAULT}, | |
107 | {7, 2442, LBS_TX_PWR_JP_DEFAULT}, | |
108 | {8, 2447, LBS_TX_PWR_JP_DEFAULT}, | |
109 | {9, 2452, LBS_TX_PWR_JP_DEFAULT}, | |
110 | {10, 2457, LBS_TX_PWR_JP_DEFAULT}, | |
111 | {11, 2462, LBS_TX_PWR_JP_DEFAULT}, | |
112 | {12, 2467, LBS_TX_PWR_JP_DEFAULT}, | |
113 | {13, 2472, LBS_TX_PWR_JP_DEFAULT}, | |
114 | {14, 2484, LBS_TX_PWR_JP_DEFAULT} | |
876c9d3a MT |
115 | }; |
116 | ||
117 | /** | |
118 | * the structure for channel, frequency and power | |
119 | */ | |
120 | struct region_cfp_table { | |
121 | u8 region; | |
122 | struct chan_freq_power *cfp_BG; | |
123 | int cfp_no_BG; | |
124 | }; | |
125 | ||
126 | /** | |
127 | * the structure for the mapping between region and CFP | |
128 | */ | |
129 | static struct region_cfp_table region_cfp_table[] = { | |
130 | {0x10, /*US FCC */ | |
131 | channel_freq_power_US_BG, | |
ff8ac609 | 132 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
133 | } |
134 | , | |
135 | {0x20, /*CANADA IC */ | |
136 | channel_freq_power_US_BG, | |
ff8ac609 | 137 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
138 | } |
139 | , | |
140 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
ff8ac609 | 141 | ARRAY_SIZE(channel_freq_power_EU_BG), |
876c9d3a MT |
142 | } |
143 | , | |
144 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
ff8ac609 | 145 | ARRAY_SIZE(channel_freq_power_SPN_BG), |
876c9d3a MT |
146 | } |
147 | , | |
148 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
ff8ac609 | 149 | ARRAY_SIZE(channel_freq_power_FR_BG), |
876c9d3a MT |
150 | } |
151 | , | |
152 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
ff8ac609 | 153 | ARRAY_SIZE(channel_freq_power_JPN_BG), |
876c9d3a MT |
154 | } |
155 | , | |
156 | /*Add new region here */ | |
157 | }; | |
158 | ||
876c9d3a | 159 | /** |
8c512765 | 160 | * the table to keep region code |
876c9d3a | 161 | */ |
10078321 | 162 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
8c512765 | 163 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
876c9d3a MT |
164 | |
165 | /** | |
8c512765 | 166 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 167 | */ |
10078321 | 168 | u8 lbs_bg_rates[MAX_RATES] = |
8c512765 DW |
169 | { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, |
170 | 0x00, 0x00 }; | |
876c9d3a MT |
171 | |
172 | /** | |
8c512765 DW |
173 | * FW rate table. FW refers to rates by their index in this table, not by the |
174 | * rate value itself. Values of 0x00 are | |
175 | * reserved positions. | |
876c9d3a | 176 | */ |
8c512765 DW |
177 | static u8 fw_data_rates[MAX_RATES] = |
178 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
179 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
180 | }; | |
876c9d3a | 181 | |
876c9d3a | 182 | /** |
8c512765 DW |
183 | * @brief use index to get the data rate |
184 | * | |
185 | * @param idx The index of data rate | |
186 | * @return data rate or 0 | |
876c9d3a | 187 | */ |
10078321 | 188 | u32 lbs_fw_index_to_data_rate(u8 idx) |
8c512765 DW |
189 | { |
190 | if (idx >= sizeof(fw_data_rates)) | |
191 | idx = 0; | |
192 | return fw_data_rates[idx]; | |
193 | } | |
194 | ||
195 | /** | |
196 | * @brief use rate to get the index | |
197 | * | |
198 | * @param rate data rate | |
199 | * @return index or 0 | |
200 | */ | |
10078321 | 201 | u8 lbs_data_rate_to_fw_index(u32 rate) |
8c512765 DW |
202 | { |
203 | u8 i; | |
204 | ||
205 | if (!rate) | |
206 | return 0; | |
207 | ||
208 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
209 | if (rate == fw_data_rates[i]) | |
210 | return i; | |
211 | } | |
212 | return 0; | |
213 | } | |
876c9d3a | 214 | |
876c9d3a MT |
215 | /** |
216 | * Attributes exported through sysfs | |
217 | */ | |
876c9d3a MT |
218 | |
219 | /** | |
82fde74b | 220 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 221 | */ |
10078321 | 222 | static ssize_t lbs_anycast_get(struct device *dev, |
b59bb616 DW |
223 | struct device_attribute *attr, char * buf) |
224 | { | |
301eacbf | 225 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 226 | struct cmd_ds_mesh_access mesh_access; |
301eacbf | 227 | int ret; |
876c9d3a MT |
228 | |
229 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
301eacbf DW |
230 | |
231 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
232 | if (ret) | |
233 | return ret; | |
876c9d3a | 234 | |
82fde74b | 235 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
236 | } |
237 | ||
238 | /** | |
82fde74b | 239 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 240 | */ |
10078321 | 241 | static ssize_t lbs_anycast_set(struct device *dev, |
b59bb616 DW |
242 | struct device_attribute *attr, const char * buf, size_t count) |
243 | { | |
301eacbf | 244 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 245 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 246 | uint32_t datum; |
301eacbf | 247 | int ret; |
876c9d3a | 248 | |
876c9d3a | 249 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 250 | sscanf(buf, "%x", &datum); |
981f187b DW |
251 | mesh_access.data[0] = cpu_to_le32(datum); |
252 | ||
301eacbf DW |
253 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); |
254 | if (ret) | |
255 | return ret; | |
256 | ||
876c9d3a MT |
257 | return strlen(buf); |
258 | } | |
259 | ||
2fd6cfe3 DW |
260 | static int lbs_add_rtap(struct lbs_private *priv); |
261 | static void lbs_remove_rtap(struct lbs_private *priv); | |
23a397ac DW |
262 | static int lbs_add_mesh(struct lbs_private *priv); |
263 | static void lbs_remove_mesh(struct lbs_private *priv); | |
7e226272 | 264 | |
965f8bbc LCC |
265 | |
266 | /** | |
267 | * Get function for sysfs attribute rtap | |
268 | */ | |
10078321 | 269 | static ssize_t lbs_rtap_get(struct device *dev, |
965f8bbc LCC |
270 | struct device_attribute *attr, char * buf) |
271 | { | |
e7deced0 | 272 | struct lbs_private *priv = to_net_dev(dev)->priv; |
aa21c004 | 273 | return snprintf(buf, 5, "0x%X\n", priv->monitormode); |
965f8bbc LCC |
274 | } |
275 | ||
276 | /** | |
277 | * Set function for sysfs attribute rtap | |
278 | */ | |
10078321 | 279 | static ssize_t lbs_rtap_set(struct device *dev, |
965f8bbc LCC |
280 | struct device_attribute *attr, const char * buf, size_t count) |
281 | { | |
282 | int monitor_mode; | |
e7deced0 | 283 | struct lbs_private *priv = to_net_dev(dev)->priv; |
965f8bbc LCC |
284 | |
285 | sscanf(buf, "%x", &monitor_mode); | |
c2b310a7 HS |
286 | if (monitor_mode) { |
287 | if (priv->monitormode == monitor_mode) | |
965f8bbc | 288 | return strlen(buf); |
c2b310a7 | 289 | if (!priv->monitormode) { |
8552855f DW |
290 | if (priv->infra_open || priv->mesh_open) |
291 | return -EBUSY; | |
aa21c004 | 292 | if (priv->mode == IW_MODE_INFRA) |
10078321 | 293 | lbs_send_deauthentication(priv); |
aa21c004 | 294 | else if (priv->mode == IW_MODE_ADHOC) |
10078321 HS |
295 | lbs_stop_adhoc_network(priv); |
296 | lbs_add_rtap(priv); | |
965f8bbc | 297 | } |
aa21c004 | 298 | priv->monitormode = monitor_mode; |
965f8bbc LCC |
299 | } |
300 | ||
301 | else { | |
c2b310a7 | 302 | if (!priv->monitormode) |
965f8bbc | 303 | return strlen(buf); |
c2b310a7 | 304 | priv->monitormode = 0; |
10078321 | 305 | lbs_remove_rtap(priv); |
f86a93e1 | 306 | |
aa21c004 DW |
307 | if (priv->currenttxskb) { |
308 | dev_kfree_skb_any(priv->currenttxskb); | |
309 | priv->currenttxskb = NULL; | |
f86a93e1 DW |
310 | } |
311 | ||
312 | /* Wake queues, command thread, etc. */ | |
313 | lbs_host_to_card_done(priv); | |
965f8bbc LCC |
314 | } |
315 | ||
10078321 | 316 | lbs_prepare_and_send_command(priv, |
965f8bbc | 317 | CMD_802_11_MONITOR_MODE, CMD_ACT_SET, |
aa21c004 | 318 | CMD_OPTION_WAITFORRSP, 0, &priv->monitormode); |
965f8bbc LCC |
319 | return strlen(buf); |
320 | } | |
321 | ||
322 | /** | |
23a397ac DW |
323 | * lbs_rtap attribute to be exported per ethX interface |
324 | * through sysfs (/sys/class/net/ethX/lbs_rtap) | |
965f8bbc | 325 | */ |
23a397ac DW |
326 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set ); |
327 | ||
328 | /** | |
329 | * Get function for sysfs attribute mesh | |
330 | */ | |
331 | static ssize_t lbs_mesh_get(struct device *dev, | |
332 | struct device_attribute *attr, char * buf) | |
333 | { | |
334 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
335 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
336 | } | |
337 | ||
338 | /** | |
339 | * Set function for sysfs attribute mesh | |
340 | */ | |
341 | static ssize_t lbs_mesh_set(struct device *dev, | |
342 | struct device_attribute *attr, const char * buf, size_t count) | |
343 | { | |
344 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
345 | int enable; | |
346 | int ret; | |
347 | ||
348 | sscanf(buf, "%x", &enable); | |
349 | enable = !!enable; | |
350 | if (enable == !!priv->mesh_dev) | |
351 | return count; | |
352 | ||
86062134 | 353 | ret = lbs_mesh_config(priv, enable, priv->curbssparams.channel); |
23a397ac DW |
354 | if (ret) |
355 | return ret; | |
7e226272 | 356 | |
23a397ac DW |
357 | if (enable) |
358 | lbs_add_mesh(priv); | |
359 | else | |
360 | lbs_remove_mesh(priv); | |
361 | ||
362 | return count; | |
363 | } | |
364 | ||
365 | /** | |
366 | * lbs_mesh attribute to be exported per ethX interface | |
367 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
368 | */ | |
369 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
965f8bbc | 370 | |
876c9d3a | 371 | /** |
82fde74b LC |
372 | * anycast_mask attribute to be exported per mshX interface |
373 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 374 | */ |
10078321 | 375 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); |
876c9d3a | 376 | |
10078321 | 377 | static struct attribute *lbs_mesh_sysfs_entries[] = { |
a9f38d02 | 378 | &dev_attr_anycast_mask.attr, |
a9f38d02 LCC |
379 | NULL, |
380 | }; | |
381 | ||
10078321 HS |
382 | static struct attribute_group lbs_mesh_attr_group = { |
383 | .attrs = lbs_mesh_sysfs_entries, | |
a9f38d02 LCC |
384 | }; |
385 | ||
876c9d3a | 386 | /** |
8552855f | 387 | * @brief This function opens the ethX or mshX interface |
876c9d3a MT |
388 | * |
389 | * @param dev A pointer to net_device structure | |
8552855f | 390 | * @return 0 or -EBUSY if monitor mode active |
876c9d3a | 391 | */ |
10078321 | 392 | static int lbs_dev_open(struct net_device *dev) |
876c9d3a | 393 | { |
8552855f DW |
394 | struct lbs_private *priv = (struct lbs_private *) dev->priv ; |
395 | int ret = 0; | |
876c9d3a | 396 | |
61d30020 HS |
397 | lbs_deb_enter(LBS_DEB_NET); |
398 | ||
8552855f | 399 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 400 | |
c2b310a7 | 401 | if (priv->monitormode) { |
8552855f DW |
402 | ret = -EBUSY; |
403 | goto out; | |
404 | } | |
01d77d8d | 405 | |
8552855f DW |
406 | if (dev == priv->mesh_dev) { |
407 | priv->mesh_open = 1; | |
408 | priv->mesh_connect_status = LBS_CONNECTED; | |
409 | netif_carrier_on(dev); | |
410 | } else { | |
411 | priv->infra_open = 1; | |
7e226272 | 412 | |
8552855f DW |
413 | if (priv->connect_status == LBS_CONNECTED) |
414 | netif_carrier_on(dev); | |
01d77d8d | 415 | else |
8552855f | 416 | netif_carrier_off(dev); |
51d84f50 | 417 | } |
876c9d3a | 418 | |
8552855f DW |
419 | if (!priv->tx_pending_len) |
420 | netif_wake_queue(dev); | |
421 | out: | |
876c9d3a | 422 | |
8552855f | 423 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 424 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
8552855f | 425 | return ret; |
876c9d3a MT |
426 | } |
427 | ||
428 | /** | |
429 | * @brief This function closes the mshX interface | |
430 | * | |
431 | * @param dev A pointer to net_device structure | |
432 | * @return 0 | |
433 | */ | |
8552855f | 434 | static int lbs_mesh_stop(struct net_device *dev) |
876c9d3a | 435 | { |
69f9032d | 436 | struct lbs_private *priv = (struct lbs_private *) (dev->priv); |
876c9d3a | 437 | |
61d30020 | 438 | lbs_deb_enter(LBS_DEB_MESH); |
8552855f DW |
439 | spin_lock_irq(&priv->driver_lock); |
440 | ||
876c9d3a | 441 | priv->mesh_open = 0; |
8552855f DW |
442 | priv->mesh_connect_status = LBS_DISCONNECTED; |
443 | ||
444 | netif_stop_queue(dev); | |
445 | netif_carrier_off(dev); | |
7e226272 | 446 | |
8552855f | 447 | spin_unlock_irq(&priv->driver_lock); |
61d30020 HS |
448 | |
449 | lbs_deb_leave(LBS_DEB_MESH); | |
8552855f | 450 | return 0; |
876c9d3a MT |
451 | } |
452 | ||
453 | /** | |
454 | * @brief This function closes the ethX interface | |
455 | * | |
456 | * @param dev A pointer to net_device structure | |
457 | * @return 0 | |
458 | */ | |
8552855f | 459 | static int lbs_eth_stop(struct net_device *dev) |
78523daa | 460 | { |
69f9032d | 461 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 462 | |
61d30020 | 463 | lbs_deb_enter(LBS_DEB_NET); |
8552855f | 464 | |
61d30020 | 465 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 466 | priv->infra_open = 0; |
8552855f | 467 | netif_stop_queue(dev); |
8552855f | 468 | spin_unlock_irq(&priv->driver_lock); |
61d30020 HS |
469 | |
470 | lbs_deb_leave(LBS_DEB_NET); | |
8552855f | 471 | return 0; |
876c9d3a MT |
472 | } |
473 | ||
10078321 | 474 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 475 | { |
69f9032d | 476 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 477 | |
9012b28a | 478 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 479 | |
9012b28a | 480 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 481 | |
876c9d3a MT |
482 | dev->trans_start = jiffies; |
483 | ||
7919b89c HS |
484 | if (priv->currenttxskb) |
485 | lbs_send_tx_feedback(priv, 0); | |
486 | ||
a63b22bb DW |
487 | /* XX: Shouldn't we also call into the hw-specific driver |
488 | to kick it somehow? */ | |
489 | lbs_host_to_card_done(priv); | |
876c9d3a | 490 | |
354eca98 DW |
491 | /* More often than not, this actually happens because the |
492 | firmware has crapped itself -- rather than just a very | |
493 | busy medium. So send a harmless command, and if/when | |
494 | _that_ times out, we'll kick it in the head. */ | |
495 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
496 | 0, 0, NULL); | |
497 | ||
9012b28a | 498 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
499 | } |
500 | ||
e775ed7c DW |
501 | void lbs_host_to_card_done(struct lbs_private *priv) |
502 | { | |
a63b22bb DW |
503 | unsigned long flags; |
504 | ||
61d30020 HS |
505 | lbs_deb_enter(LBS_DEB_THREAD); |
506 | ||
a63b22bb | 507 | spin_lock_irqsave(&priv->driver_lock, flags); |
e775ed7c DW |
508 | |
509 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
510 | ||
511 | /* Wake main thread if commands are pending */ | |
a27b9f96 | 512 | if (!priv->cur_cmd || priv->tx_pending_len > 0) |
e775ed7c DW |
513 | wake_up_interruptible(&priv->waitq); |
514 | ||
a63b22bb | 515 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 516 | lbs_deb_leave(LBS_DEB_THREAD); |
e775ed7c DW |
517 | } |
518 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | |
519 | ||
876c9d3a MT |
520 | /** |
521 | * @brief This function returns the network statistics | |
522 | * | |
69f9032d | 523 | * @param dev A pointer to struct lbs_private structure |
876c9d3a MT |
524 | * @return A pointer to net_device_stats structure |
525 | */ | |
10078321 | 526 | static struct net_device_stats *lbs_get_stats(struct net_device *dev) |
876c9d3a | 527 | { |
69f9032d | 528 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 529 | |
61d30020 | 530 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
531 | return &priv->stats; |
532 | } | |
533 | ||
10078321 | 534 | static int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
535 | { |
536 | int ret = 0; | |
69f9032d | 537 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 538 | struct sockaddr *phwaddr = addr; |
2af9f039 | 539 | struct cmd_ds_802_11_mac_address cmd; |
876c9d3a | 540 | |
9012b28a | 541 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 542 | |
0a0d08ac | 543 | /* In case it was called from the mesh device */ |
2af9f039 | 544 | dev = priv->dev; |
0a0d08ac | 545 | |
2af9f039 HS |
546 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
547 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
548 | memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN); | |
876c9d3a | 549 | |
2af9f039 | 550 | ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd); |
876c9d3a | 551 | if (ret) { |
9012b28a | 552 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
553 | goto done; |
554 | } | |
555 | ||
2af9f039 HS |
556 | memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); |
557 | memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN); | |
78523daa | 558 | if (priv->mesh_dev) |
2af9f039 | 559 | memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN); |
876c9d3a MT |
560 | |
561 | done: | |
9012b28a | 562 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
563 | return ret; |
564 | } | |
565 | ||
aa21c004 | 566 | static int lbs_copy_multicast_address(struct lbs_private *priv, |
876c9d3a MT |
567 | struct net_device *dev) |
568 | { | |
569 | int i = 0; | |
570 | struct dev_mc_list *mcptr = dev->mc_list; | |
571 | ||
572 | for (i = 0; i < dev->mc_count; i++) { | |
aa21c004 | 573 | memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); |
876c9d3a MT |
574 | mcptr = mcptr->next; |
575 | } | |
876c9d3a | 576 | return i; |
876c9d3a MT |
577 | } |
578 | ||
10078321 | 579 | static void lbs_set_multicast_list(struct net_device *dev) |
876c9d3a | 580 | { |
69f9032d | 581 | struct lbs_private *priv = dev->priv; |
d9e9778c | 582 | int old_mac_control; |
0795af57 | 583 | DECLARE_MAC_BUF(mac); |
876c9d3a | 584 | |
9012b28a | 585 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 586 | |
d9e9778c | 587 | old_mac_control = priv->mac_control; |
876c9d3a MT |
588 | |
589 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 590 | lbs_deb_net("enable promiscuous mode\n"); |
d9e9778c | 591 | priv->mac_control |= |
0aef64d7 | 592 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
d9e9778c | 593 | priv->mac_control &= |
0aef64d7 DW |
594 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
595 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
596 | } else { |
597 | /* Multicast */ | |
d9e9778c | 598 | priv->mac_control &= |
0aef64d7 | 599 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
600 | |
601 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
602 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 603 | lbs_deb_net( "enabling all multicast\n"); |
d9e9778c | 604 | priv->mac_control |= |
0aef64d7 | 605 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
d9e9778c | 606 | priv->mac_control &= |
0aef64d7 | 607 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a | 608 | } else { |
d9e9778c | 609 | priv->mac_control &= |
0aef64d7 | 610 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
611 | |
612 | if (!dev->mc_count) { | |
9012b28a HS |
613 | lbs_deb_net("no multicast addresses, " |
614 | "disabling multicast\n"); | |
d9e9778c | 615 | priv->mac_control &= |
0aef64d7 | 616 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
617 | } else { |
618 | int i; | |
619 | ||
d9e9778c | 620 | priv->mac_control |= |
0aef64d7 | 621 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a | 622 | |
aa21c004 DW |
623 | priv->nr_of_multicastmacaddr = |
624 | lbs_copy_multicast_address(priv, dev); | |
876c9d3a | 625 | |
9012b28a | 626 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
627 | dev->mc_count); |
628 | ||
629 | for (i = 0; i < dev->mc_count; i++) { | |
61d30020 | 630 | lbs_deb_net("Multicast address %d: %s\n", |
0795af57 | 631 | i, print_mac(mac, |
aa21c004 | 632 | priv->multicastlist[i])); |
876c9d3a | 633 | } |
9012b28a | 634 | /* send multicast addresses to firmware */ |
10078321 | 635 | lbs_prepare_and_send_command(priv, |
0aef64d7 DW |
636 | CMD_MAC_MULTICAST_ADR, |
637 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
638 | NULL); |
639 | } | |
640 | } | |
641 | } | |
642 | ||
d9e9778c HS |
643 | if (priv->mac_control != old_mac_control) |
644 | lbs_set_mac_control(priv); | |
876c9d3a | 645 | |
9012b28a | 646 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
647 | } |
648 | ||
649 | /** | |
10078321 | 650 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
651 | * It handles all events generated by firmware, RX data received |
652 | * from firmware and TX data sent from kernel. | |
876c9d3a | 653 | * |
10078321 | 654 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
655 | * @return 0 |
656 | */ | |
10078321 | 657 | static int lbs_thread(void *data) |
876c9d3a | 658 | { |
fe336150 | 659 | struct net_device *dev = data; |
69f9032d | 660 | struct lbs_private *priv = dev->priv; |
876c9d3a | 661 | wait_queue_t wait; |
876c9d3a | 662 | |
9012b28a | 663 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 664 | |
876c9d3a MT |
665 | init_waitqueue_entry(&wait, current); |
666 | ||
667 | for (;;) { | |
b8d40bc9 | 668 | int shouldsleep; |
7919b89c | 669 | u8 resp_idx; |
b8d40bc9 | 670 | |
7919b89c HS |
671 | lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n", |
672 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a | 673 | |
fe336150 | 674 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a | 675 | set_current_state(TASK_INTERRUPTIBLE); |
aa21c004 | 676 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 677 | |
d9f88705 | 678 | if (kthread_should_stop()) |
b8d40bc9 | 679 | shouldsleep = 0; /* Bye */ |
d9f88705 DW |
680 | else if (priv->surpriseremoved) |
681 | shouldsleep = 1; /* We need to wait until we're _told_ to die */ | |
b8d40bc9 DW |
682 | else if (priv->psstate == PS_STATE_SLEEP) |
683 | shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */ | |
2a345099 DW |
684 | else if (priv->cmd_timed_out) |
685 | shouldsleep = 0; /* Command timed out. Recover */ | |
b15152a4 DW |
686 | else if (!priv->fw_ready) |
687 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ | |
b8d40bc9 DW |
688 | else if (priv->dnld_sent) |
689 | shouldsleep = 1; /* Something is en route to the device already */ | |
2eb188a1 DW |
690 | else if (priv->tx_pending_len > 0) |
691 | shouldsleep = 0; /* We've a packet to send */ | |
b8d40bc9 DW |
692 | else if (priv->cur_cmd) |
693 | shouldsleep = 1; /* Can't send a command; one already running */ | |
694 | else if (!list_empty(&priv->cmdpendingq)) | |
695 | shouldsleep = 0; /* We have a command to send */ | |
7919b89c HS |
696 | else if (__kfifo_len(priv->event_fifo)) |
697 | shouldsleep = 0; /* We have an event to process */ | |
698 | else if (priv->resp_len[priv->resp_idx]) | |
699 | shouldsleep = 0; /* We have a command response */ | |
b8d40bc9 DW |
700 | else |
701 | shouldsleep = 1; /* No command */ | |
702 | ||
703 | if (shouldsleep) { | |
7919b89c HS |
704 | lbs_deb_thread("sleeping, connect_status %d, " |
705 | "ps_mode %d, ps_state %d\n", | |
706 | priv->connect_status, | |
707 | priv->psmode, priv->psstate); | |
aa21c004 | 708 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
709 | schedule(); |
710 | } else | |
aa21c004 | 711 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 712 | |
7919b89c HS |
713 | lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n", |
714 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a MT |
715 | |
716 | set_current_state(TASK_RUNNING); | |
fe336150 | 717 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a | 718 | |
7919b89c HS |
719 | lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n", |
720 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a | 721 | |
d9f88705 | 722 | if (kthread_should_stop()) { |
7919b89c | 723 | lbs_deb_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 | |
7919b89c HS |
732 | lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n", |
733 | priv->currenttxskb, priv->dnld_sent); | |
59f3e4bf | 734 | |
7919b89c HS |
735 | spin_lock_irq(&priv->driver_lock); |
736 | /* Process any pending command response */ | |
737 | resp_idx = priv->resp_idx; | |
738 | if (priv->resp_len[resp_idx]) { | |
aa21c004 | 739 | spin_unlock_irq(&priv->driver_lock); |
7919b89c HS |
740 | lbs_process_command_response(priv, |
741 | priv->resp_buf[resp_idx], | |
742 | priv->resp_len[resp_idx]); | |
aa21c004 | 743 | spin_lock_irq(&priv->driver_lock); |
7919b89c | 744 | priv->resp_len[resp_idx] = 0; |
876c9d3a | 745 | } |
7919b89c | 746 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 747 | |
7919b89c | 748 | /* command timeout stuff */ |
2a345099 DW |
749 | if (priv->cmd_timed_out && priv->cur_cmd) { |
750 | struct cmd_ctrl_node *cmdnode = priv->cur_cmd; | |
751 | ||
752 | if (++priv->nr_retries > 10) { | |
753 | lbs_pr_info("Excessive timeouts submitting command %x\n", | |
754 | le16_to_cpu(cmdnode->cmdbuf->command)); | |
755 | lbs_complete_command(priv, cmdnode, -ETIMEDOUT); | |
756 | priv->nr_retries = 0; | |
757 | } else { | |
758 | priv->cur_cmd = NULL; | |
02969d29 | 759 | priv->dnld_sent = DNLD_RES_RECEIVED; |
2a345099 DW |
760 | lbs_pr_info("requeueing command %x due to timeout (#%d)\n", |
761 | le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries); | |
762 | ||
763 | /* Stick it back at the _top_ of the pending queue | |
764 | for immediate resubmission */ | |
765 | list_add(&cmdnode->list, &priv->cmdpendingq); | |
766 | } | |
767 | } | |
768 | priv->cmd_timed_out = 0; | |
769 | ||
7919b89c HS |
770 | /* Process hardware events, e.g. card removed, link lost */ |
771 | spin_lock_irq(&priv->driver_lock); | |
772 | while (__kfifo_len(priv->event_fifo)) { | |
773 | u32 event; | |
876c9d3a | 774 | |
7919b89c HS |
775 | __kfifo_get(priv->event_fifo, (unsigned char *) &event, |
776 | sizeof(event)); | |
aa21c004 | 777 | spin_unlock_irq(&priv->driver_lock); |
7919b89c HS |
778 | lbs_process_event(priv, event); |
779 | spin_lock_irq(&priv->driver_lock); | |
780 | } | |
781 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a | 782 | |
b15152a4 DW |
783 | if (!priv->fw_ready) |
784 | continue; | |
785 | ||
876c9d3a | 786 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
787 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
788 | !priv->dnld_sent && !priv->cur_cmd) { | |
789 | if (priv->connect_status == LBS_CONNECTED) { | |
7919b89c HS |
790 | lbs_deb_thread("pre-sleep, currenttxskb %p, " |
791 | "dnld_sent %d, cur_cmd %p\n", | |
792 | priv->currenttxskb, priv->dnld_sent, | |
793 | priv->cur_cmd); | |
59f3e4bf | 794 | |
d4ff0ef6 | 795 | lbs_ps_confirm_sleep(priv); |
59f3e4bf DW |
796 | } else { |
797 | /* workaround for firmware sending | |
798 | * deauth/linkloss event immediately | |
799 | * after sleep request; remove this | |
800 | * after firmware fixes it | |
801 | */ | |
aa21c004 | 802 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
803 | lbs_pr_alert("ignore PS_SleepConfirm in " |
804 | "non-connected state\n"); | |
876c9d3a MT |
805 | } |
806 | } | |
807 | ||
808 | /* The PS state is changed during processing of Sleep Request | |
809 | * event above | |
810 | */ | |
aa21c004 DW |
811 | if ((priv->psstate == PS_STATE_SLEEP) || |
812 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
813 | continue; |
814 | ||
815 | /* Execute the next command */ | |
aa21c004 | 816 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 817 | lbs_execute_next_command(priv); |
876c9d3a MT |
818 | |
819 | /* Wake-up command waiters which can't sleep in | |
10078321 | 820 | * lbs_prepare_and_send_command |
876c9d3a | 821 | */ |
aa21c004 DW |
822 | if (!list_empty(&priv->cmdpendingq)) |
823 | wake_up_all(&priv->cmd_pending); | |
2eb188a1 DW |
824 | |
825 | spin_lock_irq(&priv->driver_lock); | |
826 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
827 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
828 | priv->tx_pending_buf, | |
829 | priv->tx_pending_len); | |
830 | if (ret) { | |
831 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
832 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
833 | } | |
834 | priv->tx_pending_len = 0; | |
835 | if (!priv->currenttxskb) { | |
836 | /* We can wake the queues immediately if we aren't | |
837 | waiting for TX feedback */ | |
838 | if (priv->connect_status == LBS_CONNECTED) | |
839 | netif_wake_queue(priv->dev); | |
840 | if (priv->mesh_dev && | |
841 | priv->mesh_connect_status == LBS_CONNECTED) | |
842 | netif_wake_queue(priv->mesh_dev); | |
843 | } | |
844 | } | |
845 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
846 | } |
847 | ||
aa21c004 DW |
848 | del_timer(&priv->command_timer); |
849 | wake_up_all(&priv->cmd_pending); | |
876c9d3a | 850 | |
9012b28a | 851 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
852 | return 0; |
853 | } | |
854 | ||
ab25ecae DW |
855 | static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy, |
856 | struct cmd_header *cmd) | |
857 | { | |
61d30020 | 858 | lbs_deb_enter(LBS_DEB_FW); |
ab25ecae DW |
859 | |
860 | netif_device_detach(priv->dev); | |
861 | if (priv->mesh_dev) | |
862 | netif_device_detach(priv->mesh_dev); | |
863 | ||
864 | priv->fw_ready = 0; | |
61d30020 | 865 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
866 | return 0; |
867 | } | |
868 | ||
ab25ecae DW |
869 | int lbs_suspend(struct lbs_private *priv) |
870 | { | |
871 | struct cmd_header cmd; | |
872 | int ret; | |
873 | ||
61d30020 HS |
874 | lbs_deb_enter(LBS_DEB_FW); |
875 | ||
506e9025 DW |
876 | if (priv->wol_criteria == 0xffffffff) { |
877 | lbs_pr_info("Suspend attempt without configuring wake params!\n"); | |
878 | return -EINVAL; | |
879 | } | |
880 | ||
ab25ecae | 881 | memset(&cmd, 0, sizeof(cmd)); |
7e226272 | 882 | |
ab25ecae DW |
883 | ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd, |
884 | sizeof(cmd), lbs_suspend_callback, 0); | |
885 | if (ret) | |
886 | lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret); | |
887 | ||
61d30020 | 888 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
ab25ecae DW |
889 | return ret; |
890 | } | |
891 | EXPORT_SYMBOL_GPL(lbs_suspend); | |
892 | ||
893 | int lbs_resume(struct lbs_private *priv) | |
894 | { | |
61d30020 HS |
895 | lbs_deb_enter(LBS_DEB_FW); |
896 | ||
ab25ecae DW |
897 | priv->fw_ready = 1; |
898 | ||
899 | /* Firmware doesn't seem to give us RX packets any more | |
900 | until we send it some command. Might as well update */ | |
901 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
902 | 0, 0, NULL); | |
903 | ||
904 | netif_device_attach(priv->dev); | |
905 | if (priv->mesh_dev) | |
906 | netif_device_attach(priv->mesh_dev); | |
907 | ||
61d30020 | 908 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
909 | return 0; |
910 | } | |
911 | EXPORT_SYMBOL_GPL(lbs_resume); | |
912 | ||
1df4e8fe HS |
913 | /** |
914 | * @brief This function downloads firmware image, gets | |
915 | * HW spec from firmware and set basic parameters to | |
916 | * firmware. | |
917 | * | |
69f9032d | 918 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
919 | * @return 0 or -1 |
920 | */ | |
69f9032d | 921 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
922 | { |
923 | int ret = -1; | |
1df4e8fe HS |
924 | |
925 | lbs_deb_enter(LBS_DEB_FW); | |
926 | ||
1df4e8fe HS |
927 | /* |
928 | * Read MAC address from HW | |
929 | */ | |
aa21c004 | 930 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 931 | ret = lbs_update_hw_spec(priv); |
1df4e8fe HS |
932 | if (ret) { |
933 | ret = -1; | |
934 | goto done; | |
935 | } | |
936 | ||
d9e9778c | 937 | lbs_set_mac_control(priv); |
1df4e8fe | 938 | |
8e3c91bb DW |
939 | ret = lbs_get_data_rate(priv); |
940 | if (ret < 0) { | |
1df4e8fe HS |
941 | ret = -1; |
942 | goto done; | |
943 | } | |
944 | ||
945 | ret = 0; | |
946 | done: | |
947 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
948 | return ret; | |
949 | } | |
950 | ||
1df4e8fe HS |
951 | /** |
952 | * This function handles the timeout of command sending. | |
953 | * It will re-send the same command again. | |
954 | */ | |
955 | static void command_timer_fn(unsigned long data) | |
956 | { | |
69f9032d | 957 | struct lbs_private *priv = (struct lbs_private *)data; |
1df4e8fe HS |
958 | unsigned long flags; |
959 | ||
61d30020 | 960 | lbs_deb_enter(LBS_DEB_CMD); |
2a345099 | 961 | spin_lock_irqsave(&priv->driver_lock, flags); |
1df4e8fe | 962 | |
2a345099 DW |
963 | if (!priv->cur_cmd) { |
964 | lbs_pr_info("Command timer expired; no pending command\n"); | |
965 | goto out; | |
1df4e8fe HS |
966 | } |
967 | ||
2a345099 | 968 | lbs_pr_info("Command %x timed out\n", le16_to_cpu(priv->cur_cmd->cmdbuf->command)); |
1df4e8fe | 969 | |
2a345099 | 970 | priv->cmd_timed_out = 1; |
1df4e8fe | 971 | wake_up_interruptible(&priv->waitq); |
61d30020 | 972 | out: |
2a345099 | 973 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 974 | lbs_deb_leave(LBS_DEB_CMD); |
1df4e8fe HS |
975 | } |
976 | ||
e226868e HS |
977 | static void lbs_sync_channel_worker(struct work_struct *work) |
978 | { | |
979 | struct lbs_private *priv = container_of(work, struct lbs_private, | |
980 | sync_channel); | |
981 | ||
982 | lbs_deb_enter(LBS_DEB_MAIN); | |
983 | if (lbs_update_channel(priv)) | |
984 | lbs_pr_info("Channel synchronization failed."); | |
985 | lbs_deb_leave(LBS_DEB_MAIN); | |
986 | } | |
987 | ||
988 | ||
69f9032d | 989 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 990 | { |
1df4e8fe | 991 | size_t bufsize; |
954ee164 | 992 | int i, ret = 0; |
1df4e8fe | 993 | |
61d30020 HS |
994 | lbs_deb_enter(LBS_DEB_MAIN); |
995 | ||
1df4e8fe HS |
996 | /* Allocate buffer to store the BSSID list */ |
997 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
aa21c004 DW |
998 | priv->networks = kzalloc(bufsize, GFP_KERNEL); |
999 | if (!priv->networks) { | |
1df4e8fe | 1000 | lbs_pr_err("Out of memory allocating beacons\n"); |
954ee164 DW |
1001 | ret = -1; |
1002 | goto out; | |
1df4e8fe HS |
1003 | } |
1004 | ||
954ee164 | 1005 | /* Initialize scan result lists */ |
aa21c004 DW |
1006 | INIT_LIST_HEAD(&priv->network_free_list); |
1007 | INIT_LIST_HEAD(&priv->network_list); | |
954ee164 | 1008 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
aa21c004 DW |
1009 | list_add_tail(&priv->networks[i].list, |
1010 | &priv->network_free_list); | |
954ee164 | 1011 | } |
1df4e8fe | 1012 | |
aa21c004 | 1013 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 1014 | |
aa21c004 DW |
1015 | priv->connect_status = LBS_DISCONNECTED; |
1016 | priv->mesh_connect_status = LBS_DISCONNECTED; | |
1017 | priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; | |
1018 | priv->mode = IW_MODE_INFRA; | |
1019 | priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; | |
d9e9778c | 1020 | priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
aa21c004 DW |
1021 | priv->radioon = RADIO_ON; |
1022 | priv->auto_rate = 1; | |
1023 | priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; | |
1024 | priv->psmode = LBS802_11POWERMODECAM; | |
1025 | priv->psstate = PS_STATE_FULL_POWER; | |
1df4e8fe | 1026 | |
aa21c004 | 1027 | mutex_init(&priv->lock); |
1df4e8fe | 1028 | |
aa21c004 | 1029 | setup_timer(&priv->command_timer, command_timer_fn, |
61d30020 | 1030 | (unsigned long)priv); |
1df4e8fe | 1031 | |
aa21c004 DW |
1032 | INIT_LIST_HEAD(&priv->cmdfreeq); |
1033 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 1034 | |
aa21c004 DW |
1035 | spin_lock_init(&priv->driver_lock); |
1036 | init_waitqueue_head(&priv->cmd_pending); | |
1df4e8fe | 1037 | |
954ee164 | 1038 | /* Allocate the command buffers */ |
10078321 | 1039 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 | 1040 | lbs_pr_err("Out of memory allocating command buffers\n"); |
7919b89c HS |
1041 | ret = -ENOMEM; |
1042 | goto out; | |
1043 | } | |
1044 | priv->resp_idx = 0; | |
1045 | priv->resp_len[0] = priv->resp_len[1] = 0; | |
1046 | ||
1047 | /* Create the event FIFO */ | |
1048 | priv->event_fifo = kfifo_alloc(sizeof(u32) * 16, GFP_KERNEL, NULL); | |
1049 | if (IS_ERR(priv->event_fifo)) { | |
1050 | lbs_pr_err("Out of memory allocating event FIFO buffer\n"); | |
1051 | ret = -ENOMEM; | |
1052 | goto out; | |
954ee164 | 1053 | } |
1df4e8fe | 1054 | |
954ee164 | 1055 | out: |
61d30020 HS |
1056 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1057 | ||
954ee164 DW |
1058 | return ret; |
1059 | } | |
1df4e8fe | 1060 | |
69f9032d | 1061 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 1062 | { |
61d30020 | 1063 | lbs_deb_enter(LBS_DEB_MAIN); |
1df4e8fe | 1064 | |
61d30020 | 1065 | lbs_free_cmd_buffer(priv); |
7919b89c HS |
1066 | if (priv->event_fifo) |
1067 | kfifo_free(priv->event_fifo); | |
aa21c004 | 1068 | del_timer(&priv->command_timer); |
aa21c004 DW |
1069 | kfree(priv->networks); |
1070 | priv->networks = NULL; | |
61d30020 HS |
1071 | |
1072 | lbs_deb_leave(LBS_DEB_MAIN); | |
1df4e8fe HS |
1073 | } |
1074 | ||
876c9d3a MT |
1075 | /** |
1076 | * @brief This function adds the card. it will probe the | |
10078321 | 1077 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1078 | * |
1079 | * @param card A pointer to card | |
69f9032d | 1080 | * @return A pointer to struct lbs_private structure |
876c9d3a | 1081 | */ |
69f9032d | 1082 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1083 | { |
1084 | struct net_device *dev = NULL; | |
69f9032d | 1085 | struct lbs_private *priv = NULL; |
876c9d3a | 1086 | |
61d30020 | 1087 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1088 | |
1089 | /* Allocate an Ethernet device and register it */ | |
69f9032d HS |
1090 | dev = alloc_etherdev(sizeof(struct lbs_private)); |
1091 | if (!dev) { | |
9012b28a | 1092 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1093 | goto done; |
876c9d3a | 1094 | } |
64f104e8 | 1095 | priv = dev->priv; |
876c9d3a | 1096 | |
10078321 | 1097 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1098 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1099 | goto err_init_adapter; | |
1100 | } | |
1101 | ||
634b8f49 HS |
1102 | priv->dev = dev; |
1103 | priv->card = card; | |
876c9d3a MT |
1104 | priv->mesh_open = 0; |
1105 | priv->infra_open = 0; | |
876c9d3a | 1106 | |
876c9d3a | 1107 | /* Setup the OS Interface to our functions */ |
8552855f | 1108 | dev->open = lbs_dev_open; |
198cefb9 | 1109 | dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1110 | dev->stop = lbs_eth_stop; |
10078321 HS |
1111 | dev->set_mac_address = lbs_set_mac_address; |
1112 | dev->tx_timeout = lbs_tx_timeout; | |
1113 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1114 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1115 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1116 | #ifdef WIRELESS_EXT |
10078321 | 1117 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1118 | #endif |
876c9d3a | 1119 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1120 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1121 | |
7732ca45 DW |
1122 | SET_NETDEV_DEV(dev, dmdev); |
1123 | ||
965f8bbc | 1124 | priv->rtap_net_dev = NULL; |
954ee164 DW |
1125 | |
1126 | lbs_deb_thread("Starting main thread...\n"); | |
1127 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1128 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1129 | if (IS_ERR(priv->main_thread)) { |
1130 | lbs_deb_thread("Error creating main thread.\n"); | |
e7deced0 | 1131 | goto err_init_adapter; |
954ee164 DW |
1132 | } |
1133 | ||
10078321 HS |
1134 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1135 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1136 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
e226868e | 1137 | INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); |
954ee164 | 1138 | |
23a397ac DW |
1139 | sprintf(priv->mesh_ssid, "mesh"); |
1140 | priv->mesh_ssid_len = 4; | |
1141 | ||
506e9025 DW |
1142 | priv->wol_criteria = 0xffffffff; |
1143 | priv->wol_gpio = 0xff; | |
1144 | ||
32a74b7c HS |
1145 | goto done; |
1146 | ||
954ee164 | 1147 | err_init_adapter: |
10078321 | 1148 | lbs_free_adapter(priv); |
32a74b7c | 1149 | free_netdev(dev); |
6a812157 | 1150 | priv = NULL; |
954ee164 | 1151 | |
32a74b7c | 1152 | done: |
61d30020 | 1153 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
32a74b7c HS |
1154 | return priv; |
1155 | } | |
10078321 | 1156 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1157 | |
954ee164 | 1158 | |
69f9032d | 1159 | int lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 1160 | { |
634b8f49 | 1161 | struct net_device *dev = priv->dev; |
954ee164 | 1162 | union iwreq_data wrqu; |
32a74b7c HS |
1163 | |
1164 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1165 | |
23a397ac | 1166 | lbs_remove_mesh(priv); |
10078321 | 1167 | lbs_remove_rtap(priv); |
876c9d3a | 1168 | |
954ee164 | 1169 | dev = priv->dev; |
2afc0c5d | 1170 | |
954ee164 DW |
1171 | cancel_delayed_work(&priv->scan_work); |
1172 | cancel_delayed_work(&priv->assoc_work); | |
1173 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1174 | |
aa21c004 DW |
1175 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
1176 | priv->psmode = LBS802_11POWERMODECAM; | |
10078321 | 1177 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); |
876c9d3a MT |
1178 | } |
1179 | ||
954ee164 DW |
1180 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1181 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1182 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1183 | ||
1184 | /* Stop the thread servicing the interrupts */ | |
aa21c004 | 1185 | priv->surpriseremoved = 1; |
954ee164 DW |
1186 | kthread_stop(priv->main_thread); |
1187 | ||
10078321 | 1188 | lbs_free_adapter(priv); |
954ee164 DW |
1189 | |
1190 | priv->dev = NULL; | |
1191 | free_netdev(dev); | |
1192 | ||
1193 | lbs_deb_leave(LBS_DEB_MAIN); | |
1194 | return 0; | |
1195 | } | |
10078321 | 1196 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1197 | |
1198 | ||
69f9032d | 1199 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
1200 | { |
1201 | struct net_device *dev = priv->dev; | |
1202 | int ret = -1; | |
1203 | ||
1204 | lbs_deb_enter(LBS_DEB_MAIN); | |
1205 | ||
1206 | /* poke the firmware */ | |
10078321 | 1207 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1208 | if (ret) |
1209 | goto done; | |
1210 | ||
1211 | /* init 802.11d */ | |
10078321 | 1212 | lbs_init_11d(priv); |
876c9d3a MT |
1213 | |
1214 | if (register_netdev(dev)) { | |
9012b28a | 1215 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1216 | goto done; |
876c9d3a | 1217 | } |
e7deced0 DW |
1218 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1219 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | |
020f3d00 | 1220 | |
020f3d00 | 1221 | lbs_update_channel(priv); |
020f3d00 | 1222 | |
c9d1be36 HS |
1223 | /* 5.0.16p0 is known to NOT support any mesh */ |
1224 | if (priv->fwrelease > 0x05001000) { | |
1225 | /* Enable mesh, if supported, and work out which TLV it uses. | |
1226 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
1227 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
1228 | but we check them in that order because 20.pXX doesn't | |
1229 | give an error -- it just silently fails. */ | |
1230 | ||
1231 | /* 5.110.20.pXX firmware will fail the command if the channel | |
1232 | doesn't match the existing channel. But only if the TLV | |
1233 | is correct. If the channel is wrong, _BOTH_ versions will | |
1234 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
1235 | It's just that 5.110.20.pXX will not have done anything | |
1236 | useful */ | |
1237 | ||
1238 | priv->mesh_tlv = 0x100 + 291; | |
1239 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) { | |
1240 | priv->mesh_tlv = 0x100 + 37; | |
1241 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) | |
1242 | priv->mesh_tlv = 0; | |
1243 | } | |
1244 | if (priv->mesh_tlv) { | |
1245 | lbs_add_mesh(priv); | |
1246 | ||
1247 | if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) | |
1248 | lbs_pr_err("cannot register lbs_mesh attribute\n"); | |
1249 | } | |
020f3d00 | 1250 | } |
876c9d3a | 1251 | |
10078321 | 1252 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1253 | |
954ee164 DW |
1254 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1255 | ||
32a74b7c | 1256 | ret = 0; |
876c9d3a | 1257 | |
32a74b7c | 1258 | done: |
954ee164 DW |
1259 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1260 | return ret; | |
1261 | } | |
10078321 | 1262 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1263 | |
1264 | ||
69f9032d | 1265 | int lbs_stop_card(struct lbs_private *priv) |
954ee164 DW |
1266 | { |
1267 | struct net_device *dev = priv->dev; | |
1268 | int ret = -1; | |
1269 | struct cmd_ctrl_node *cmdnode; | |
1270 | unsigned long flags; | |
1271 | ||
1272 | lbs_deb_enter(LBS_DEB_MAIN); | |
1273 | ||
1274 | netif_stop_queue(priv->dev); | |
1275 | netif_carrier_off(priv->dev); | |
1276 | ||
10078321 | 1277 | lbs_debugfs_remove_one(priv); |
10bca0d5 | 1278 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
020f3d00 DW |
1279 | if (priv->mesh_tlv) |
1280 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
954ee164 DW |
1281 | |
1282 | /* Flush pending command nodes */ | |
aa21c004 DW |
1283 | spin_lock_irqsave(&priv->driver_lock, flags); |
1284 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { | |
ae125bf8 | 1285 | cmdnode->result = -ENOENT; |
954ee164 DW |
1286 | cmdnode->cmdwaitqwoken = 1; |
1287 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1288 | } | |
aa21c004 | 1289 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1290 | |
1291 | unregister_netdev(dev); | |
1292 | ||
1293 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
32a74b7c | 1294 | return ret; |
876c9d3a | 1295 | } |
10078321 | 1296 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1297 | |
876c9d3a | 1298 | |
78523daa HS |
1299 | /** |
1300 | * @brief This function adds mshX interface | |
1301 | * | |
69f9032d | 1302 | * @param priv A pointer to the struct lbs_private structure |
78523daa HS |
1303 | * @return 0 if successful, -X otherwise |
1304 | */ | |
23a397ac | 1305 | static int lbs_add_mesh(struct lbs_private *priv) |
78523daa HS |
1306 | { |
1307 | struct net_device *mesh_dev = NULL; | |
1308 | int ret = 0; | |
1309 | ||
1310 | lbs_deb_enter(LBS_DEB_MESH); | |
1311 | ||
1312 | /* Allocate a virtual mesh device */ | |
1313 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1314 | lbs_deb_mesh("init mshX device failed\n"); | |
1315 | ret = -ENOMEM; | |
1316 | goto done; | |
1317 | } | |
1318 | mesh_dev->priv = priv; | |
1319 | priv->mesh_dev = mesh_dev; | |
1320 | ||
8552855f | 1321 | mesh_dev->open = lbs_dev_open; |
198cefb9 | 1322 | mesh_dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1323 | mesh_dev->stop = lbs_mesh_stop; |
10078321 HS |
1324 | mesh_dev->get_stats = lbs_get_stats; |
1325 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1326 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1327 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1328 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1329 | |
23a397ac | 1330 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
7732ca45 | 1331 | |
78523daa | 1332 | #ifdef WIRELESS_EXT |
f5e05b69 | 1333 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1334 | #endif |
78523daa HS |
1335 | /* Register virtual mesh interface */ |
1336 | ret = register_netdev(mesh_dev); | |
1337 | if (ret) { | |
1338 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1339 | goto err_free; | |
1340 | } | |
1341 | ||
10078321 | 1342 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1343 | if (ret) |
1344 | goto err_unregister; | |
1345 | ||
1346 | /* Everything successful */ | |
1347 | ret = 0; | |
1348 | goto done; | |
1349 | ||
78523daa HS |
1350 | err_unregister: |
1351 | unregister_netdev(mesh_dev); | |
1352 | ||
1353 | err_free: | |
1354 | free_netdev(mesh_dev); | |
1355 | ||
1356 | done: | |
1357 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1358 | return ret; | |
1359 | } | |
084708b6 | 1360 | |
23a397ac | 1361 | static void lbs_remove_mesh(struct lbs_private *priv) |
78523daa HS |
1362 | { |
1363 | struct net_device *mesh_dev; | |
1364 | ||
78523daa HS |
1365 | |
1366 | mesh_dev = priv->mesh_dev; | |
23a397ac | 1367 | if (!mesh_dev) |
61d30020 | 1368 | return; |
78523daa | 1369 | |
61d30020 | 1370 | lbs_deb_enter(LBS_DEB_MESH); |
78523daa | 1371 | netif_stop_queue(mesh_dev); |
51d84f50 | 1372 | netif_carrier_off(priv->mesh_dev); |
10078321 | 1373 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa | 1374 | unregister_netdev(mesh_dev); |
23a397ac | 1375 | priv->mesh_dev = NULL; |
78523daa | 1376 | free_netdev(mesh_dev); |
61d30020 | 1377 | lbs_deb_leave(LBS_DEB_MESH); |
78523daa HS |
1378 | } |
1379 | ||
876c9d3a MT |
1380 | /** |
1381 | * @brief This function finds the CFP in | |
1382 | * region_cfp_table based on region and band parameter. | |
1383 | * | |
1384 | * @param region The region code | |
1385 | * @param band The band | |
1386 | * @param cfp_no A pointer to CFP number | |
1387 | * @return A pointer to CFP | |
1388 | */ | |
e98a88dd | 1389 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no) |
876c9d3a MT |
1390 | { |
1391 | int i, end; | |
1392 | ||
9012b28a | 1393 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1394 | |
ff8ac609 | 1395 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1396 | |
1397 | for (i = 0; i < end ; i++) { | |
9012b28a | 1398 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1399 | region_cfp_table[i].region); |
1400 | if (region_cfp_table[i].region == region) { | |
1401 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1402 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1403 | return region_cfp_table[i].cfp_BG; |
1404 | } | |
1405 | } | |
1406 | ||
9012b28a | 1407 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1408 | return NULL; |
1409 | } | |
1410 | ||
69f9032d | 1411 | int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1412 | { |
9012b28a | 1413 | int ret = 0; |
876c9d3a MT |
1414 | int i = 0; |
1415 | ||
1416 | struct chan_freq_power *cfp; | |
1417 | int cfp_no; | |
1418 | ||
9012b28a | 1419 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1420 | |
aa21c004 | 1421 | memset(priv->region_channel, 0, sizeof(priv->region_channel)); |
876c9d3a | 1422 | |
e98a88dd | 1423 | cfp = lbs_get_region_cfp_table(region, &cfp_no); |
61d30020 HS |
1424 | if (cfp != NULL) { |
1425 | priv->region_channel[i].nrcfp = cfp_no; | |
1426 | priv->region_channel[i].CFP = cfp; | |
1427 | } else { | |
1428 | lbs_deb_main("wrong region code %#x in band B/G\n", | |
1429 | region); | |
1430 | ret = -1; | |
1431 | goto out; | |
876c9d3a | 1432 | } |
61d30020 HS |
1433 | priv->region_channel[i].valid = 1; |
1434 | priv->region_channel[i].region = region; | |
1435 | priv->region_channel[i].band = band; | |
1436 | i++; | |
9012b28a HS |
1437 | out: |
1438 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1439 | return ret; | |
876c9d3a MT |
1440 | } |
1441 | ||
7919b89c HS |
1442 | void lbs_queue_event(struct lbs_private *priv, u32 event) |
1443 | { | |
1444 | unsigned long flags; | |
1445 | ||
1446 | lbs_deb_enter(LBS_DEB_THREAD); | |
1447 | spin_lock_irqsave(&priv->driver_lock, flags); | |
1448 | ||
1449 | if (priv->psstate == PS_STATE_SLEEP) | |
1450 | priv->psstate = PS_STATE_AWAKE; | |
1451 | ||
1452 | __kfifo_put(priv->event_fifo, (unsigned char *) &event, sizeof(u32)); | |
1453 | ||
1454 | wake_up_interruptible(&priv->waitq); | |
1455 | ||
1456 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1457 | lbs_deb_leave(LBS_DEB_THREAD); | |
1458 | } | |
1459 | EXPORT_SYMBOL_GPL(lbs_queue_event); | |
1460 | ||
1461 | void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx) | |
876c9d3a | 1462 | { |
ed37b516 | 1463 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1464 | |
4f679496 | 1465 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1466 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
1467 | |
1468 | /* Swap buffers by flipping the response index */ | |
1469 | BUG_ON(resp_idx > 1); | |
1470 | priv->resp_idx = resp_idx; | |
1471 | ||
fe336150 | 1472 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1473 | |
ed37b516 | 1474 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1475 | } |
7919b89c | 1476 | EXPORT_SYMBOL_GPL(lbs_notify_command_response); |
876c9d3a | 1477 | |
4fb910fd | 1478 | static int __init lbs_init_module(void) |
876c9d3a | 1479 | { |
9012b28a | 1480 | lbs_deb_enter(LBS_DEB_MAIN); |
f539f2ef HS |
1481 | memset(&confirm_sleep, 0, sizeof(confirm_sleep)); |
1482 | confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE); | |
1483 | confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep)); | |
1484 | confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); | |
10078321 | 1485 | lbs_debugfs_init(); |
084708b6 HS |
1486 | lbs_deb_leave(LBS_DEB_MAIN); |
1487 | return 0; | |
876c9d3a MT |
1488 | } |
1489 | ||
4fb910fd | 1490 | static void __exit lbs_exit_module(void) |
876c9d3a | 1491 | { |
9012b28a | 1492 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1493 | lbs_debugfs_remove(); |
9012b28a | 1494 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1495 | } |
1496 | ||
965f8bbc LCC |
1497 | /* |
1498 | * rtap interface support fuctions | |
1499 | */ | |
1500 | ||
10078321 | 1501 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc | 1502 | { |
8552855f | 1503 | /* Yes, _stop_ the queue. Because we don't support injection */ |
61d30020 HS |
1504 | lbs_deb_enter(LBS_DEB_MAIN); |
1505 | netif_carrier_off(dev); | |
1506 | netif_stop_queue(dev); | |
1507 | lbs_deb_leave(LBS_DEB_LEAVE); | |
1508 | return 0; | |
965f8bbc LCC |
1509 | } |
1510 | ||
10078321 | 1511 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc | 1512 | { |
61d30020 HS |
1513 | lbs_deb_enter(LBS_DEB_MAIN); |
1514 | lbs_deb_leave(LBS_DEB_MAIN); | |
1515 | return 0; | |
965f8bbc LCC |
1516 | } |
1517 | ||
10078321 | 1518 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc | 1519 | { |
61d30020 HS |
1520 | netif_stop_queue(dev); |
1521 | return NETDEV_TX_BUSY; | |
965f8bbc LCC |
1522 | } |
1523 | ||
10078321 | 1524 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1525 | { |
69f9032d | 1526 | struct lbs_private *priv = dev->priv; |
61d30020 | 1527 | lbs_deb_enter(LBS_DEB_NET); |
d9268fb9 | 1528 | return &priv->stats; |
965f8bbc LCC |
1529 | } |
1530 | ||
1531 | ||
2fd6cfe3 | 1532 | static void lbs_remove_rtap(struct lbs_private *priv) |
965f8bbc | 1533 | { |
61d30020 | 1534 | lbs_deb_enter(LBS_DEB_MAIN); |
965f8bbc LCC |
1535 | if (priv->rtap_net_dev == NULL) |
1536 | return; | |
1537 | unregister_netdev(priv->rtap_net_dev); | |
d9268fb9 | 1538 | free_netdev(priv->rtap_net_dev); |
965f8bbc | 1539 | priv->rtap_net_dev = NULL; |
61d30020 | 1540 | lbs_deb_leave(LBS_DEB_MAIN); |
965f8bbc LCC |
1541 | } |
1542 | ||
2fd6cfe3 | 1543 | static int lbs_add_rtap(struct lbs_private *priv) |
965f8bbc | 1544 | { |
61d30020 | 1545 | int ret = 0; |
d9268fb9 | 1546 | struct net_device *rtap_dev; |
965f8bbc | 1547 | |
61d30020 HS |
1548 | lbs_deb_enter(LBS_DEB_MAIN); |
1549 | if (priv->rtap_net_dev) { | |
1550 | ret = -EPERM; | |
1551 | goto out; | |
1552 | } | |
965f8bbc | 1553 | |
d9268fb9 | 1554 | rtap_dev = alloc_netdev(0, "rtap%d", ether_setup); |
61d30020 HS |
1555 | if (rtap_dev == NULL) { |
1556 | ret = -ENOMEM; | |
1557 | goto out; | |
1558 | } | |
965f8bbc | 1559 | |
121947c6 | 1560 | memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN); |
d9268fb9 DW |
1561 | rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP; |
1562 | rtap_dev->open = lbs_rtap_open; | |
1563 | rtap_dev->stop = lbs_rtap_stop; | |
1564 | rtap_dev->get_stats = lbs_rtap_get_stats; | |
1565 | rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1566 | rtap_dev->set_multicast_list = lbs_set_multicast_list; | |
1567 | rtap_dev->priv = priv; | |
229ce3ab | 1568 | SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent); |
965f8bbc | 1569 | |
61d30020 HS |
1570 | ret = register_netdev(rtap_dev); |
1571 | if (ret) { | |
d9268fb9 | 1572 | free_netdev(rtap_dev); |
61d30020 | 1573 | goto out; |
965f8bbc | 1574 | } |
d9268fb9 | 1575 | priv->rtap_net_dev = rtap_dev; |
965f8bbc | 1576 | |
61d30020 HS |
1577 | out: |
1578 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1579 | return ret; | |
965f8bbc LCC |
1580 | } |
1581 | ||
04850a47 HS |
1582 | #ifndef CONFIG_IEEE80211 |
1583 | const char *escape_essid(const char *essid, u8 essid_len) | |
1584 | { | |
1585 | static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; | |
1586 | const char *s = essid; | |
1587 | char *d = escaped; | |
1588 | ||
1589 | if (ieee80211_is_empty_essid(essid, essid_len)) { | |
1590 | memcpy(escaped, "<hidden>", sizeof("<hidden>")); | |
1591 | return escaped; | |
1592 | } | |
1593 | ||
1594 | essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE); | |
1595 | while (essid_len--) { | |
1596 | if (*s == '\0') { | |
1597 | *d++ = '\\'; | |
1598 | *d++ = '0'; | |
1599 | s++; | |
1600 | } else { | |
1601 | *d++ = *s++; | |
1602 | } | |
1603 | } | |
1604 | *d = '\0'; | |
1605 | return escaped; | |
1606 | } | |
1607 | #endif | |
965f8bbc | 1608 | |
10078321 HS |
1609 | module_init(lbs_init_module); |
1610 | module_exit(lbs_exit_module); | |
876c9d3a | 1611 | |
084708b6 | 1612 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1613 | MODULE_AUTHOR("Marvell International Ltd."); |
1614 | MODULE_LICENSE("GPL"); |