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 | 704 | lbs_deb_thread("sleeping, connect_status %d, " |
5f505d90 | 705 | "psmode %d, psstate %d\n", |
7919b89c HS |
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; | |
759 | lbs_pr_info("requeueing command %x due to timeout (#%d)\n", | |
760 | le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries); | |
761 | ||
762 | /* Stick it back at the _top_ of the pending queue | |
763 | for immediate resubmission */ | |
764 | list_add(&cmdnode->list, &priv->cmdpendingq); | |
765 | } | |
766 | } | |
767 | priv->cmd_timed_out = 0; | |
768 | ||
7919b89c HS |
769 | /* Process hardware events, e.g. card removed, link lost */ |
770 | spin_lock_irq(&priv->driver_lock); | |
771 | while (__kfifo_len(priv->event_fifo)) { | |
772 | u32 event; | |
876c9d3a | 773 | |
7919b89c HS |
774 | __kfifo_get(priv->event_fifo, (unsigned char *) &event, |
775 | sizeof(event)); | |
aa21c004 | 776 | spin_unlock_irq(&priv->driver_lock); |
7919b89c HS |
777 | lbs_process_event(priv, event); |
778 | spin_lock_irq(&priv->driver_lock); | |
779 | } | |
780 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a | 781 | |
b15152a4 DW |
782 | if (!priv->fw_ready) |
783 | continue; | |
784 | ||
876c9d3a | 785 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
786 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
787 | !priv->dnld_sent && !priv->cur_cmd) { | |
788 | if (priv->connect_status == LBS_CONNECTED) { | |
7919b89c HS |
789 | lbs_deb_thread("pre-sleep, currenttxskb %p, " |
790 | "dnld_sent %d, cur_cmd %p\n", | |
791 | priv->currenttxskb, priv->dnld_sent, | |
792 | priv->cur_cmd); | |
59f3e4bf | 793 | |
d4ff0ef6 | 794 | lbs_ps_confirm_sleep(priv); |
59f3e4bf DW |
795 | } else { |
796 | /* workaround for firmware sending | |
797 | * deauth/linkloss event immediately | |
798 | * after sleep request; remove this | |
799 | * after firmware fixes it | |
800 | */ | |
aa21c004 | 801 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
802 | lbs_pr_alert("ignore PS_SleepConfirm in " |
803 | "non-connected state\n"); | |
876c9d3a MT |
804 | } |
805 | } | |
806 | ||
807 | /* The PS state is changed during processing of Sleep Request | |
808 | * event above | |
809 | */ | |
aa21c004 DW |
810 | if ((priv->psstate == PS_STATE_SLEEP) || |
811 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
812 | continue; |
813 | ||
814 | /* Execute the next command */ | |
aa21c004 | 815 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 816 | lbs_execute_next_command(priv); |
876c9d3a MT |
817 | |
818 | /* Wake-up command waiters which can't sleep in | |
10078321 | 819 | * lbs_prepare_and_send_command |
876c9d3a | 820 | */ |
aa21c004 DW |
821 | if (!list_empty(&priv->cmdpendingq)) |
822 | wake_up_all(&priv->cmd_pending); | |
2eb188a1 DW |
823 | |
824 | spin_lock_irq(&priv->driver_lock); | |
825 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
826 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
827 | priv->tx_pending_buf, | |
828 | priv->tx_pending_len); | |
829 | if (ret) { | |
830 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
831 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
832 | } | |
833 | priv->tx_pending_len = 0; | |
834 | if (!priv->currenttxskb) { | |
835 | /* We can wake the queues immediately if we aren't | |
836 | waiting for TX feedback */ | |
837 | if (priv->connect_status == LBS_CONNECTED) | |
838 | netif_wake_queue(priv->dev); | |
839 | if (priv->mesh_dev && | |
840 | priv->mesh_connect_status == LBS_CONNECTED) | |
841 | netif_wake_queue(priv->mesh_dev); | |
842 | } | |
843 | } | |
844 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
845 | } |
846 | ||
aa21c004 DW |
847 | del_timer(&priv->command_timer); |
848 | wake_up_all(&priv->cmd_pending); | |
876c9d3a | 849 | |
9012b28a | 850 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
851 | return 0; |
852 | } | |
853 | ||
ab25ecae DW |
854 | static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy, |
855 | struct cmd_header *cmd) | |
856 | { | |
61d30020 | 857 | lbs_deb_enter(LBS_DEB_FW); |
ab25ecae DW |
858 | |
859 | netif_device_detach(priv->dev); | |
860 | if (priv->mesh_dev) | |
861 | netif_device_detach(priv->mesh_dev); | |
862 | ||
863 | priv->fw_ready = 0; | |
61d30020 | 864 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
865 | return 0; |
866 | } | |
867 | ||
ab25ecae DW |
868 | int lbs_suspend(struct lbs_private *priv) |
869 | { | |
870 | struct cmd_header cmd; | |
871 | int ret; | |
872 | ||
61d30020 HS |
873 | lbs_deb_enter(LBS_DEB_FW); |
874 | ||
506e9025 DW |
875 | if (priv->wol_criteria == 0xffffffff) { |
876 | lbs_pr_info("Suspend attempt without configuring wake params!\n"); | |
877 | return -EINVAL; | |
878 | } | |
879 | ||
ab25ecae | 880 | memset(&cmd, 0, sizeof(cmd)); |
7e226272 | 881 | |
ab25ecae DW |
882 | ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd, |
883 | sizeof(cmd), lbs_suspend_callback, 0); | |
884 | if (ret) | |
885 | lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret); | |
886 | ||
61d30020 | 887 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
ab25ecae DW |
888 | return ret; |
889 | } | |
890 | EXPORT_SYMBOL_GPL(lbs_suspend); | |
891 | ||
a63e5cb2 | 892 | void lbs_resume(struct lbs_private *priv) |
ab25ecae | 893 | { |
61d30020 HS |
894 | lbs_deb_enter(LBS_DEB_FW); |
895 | ||
ab25ecae DW |
896 | priv->fw_ready = 1; |
897 | ||
898 | /* Firmware doesn't seem to give us RX packets any more | |
899 | until we send it some command. Might as well update */ | |
900 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
901 | 0, 0, NULL); | |
902 | ||
903 | netif_device_attach(priv->dev); | |
904 | if (priv->mesh_dev) | |
905 | netif_device_attach(priv->mesh_dev); | |
906 | ||
61d30020 | 907 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
908 | } |
909 | EXPORT_SYMBOL_GPL(lbs_resume); | |
910 | ||
1df4e8fe HS |
911 | /** |
912 | * @brief This function downloads firmware image, gets | |
913 | * HW spec from firmware and set basic parameters to | |
914 | * firmware. | |
915 | * | |
69f9032d | 916 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
917 | * @return 0 or -1 |
918 | */ | |
69f9032d | 919 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
920 | { |
921 | int ret = -1; | |
1df4e8fe HS |
922 | |
923 | lbs_deb_enter(LBS_DEB_FW); | |
924 | ||
1df4e8fe HS |
925 | /* |
926 | * Read MAC address from HW | |
927 | */ | |
aa21c004 | 928 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 929 | ret = lbs_update_hw_spec(priv); |
1df4e8fe HS |
930 | if (ret) { |
931 | ret = -1; | |
932 | goto done; | |
933 | } | |
934 | ||
d9e9778c | 935 | lbs_set_mac_control(priv); |
1df4e8fe | 936 | |
8e3c91bb DW |
937 | ret = lbs_get_data_rate(priv); |
938 | if (ret < 0) { | |
1df4e8fe HS |
939 | ret = -1; |
940 | goto done; | |
941 | } | |
942 | ||
943 | ret = 0; | |
944 | done: | |
945 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
946 | return ret; | |
947 | } | |
948 | ||
1df4e8fe HS |
949 | /** |
950 | * This function handles the timeout of command sending. | |
951 | * It will re-send the same command again. | |
952 | */ | |
953 | static void command_timer_fn(unsigned long data) | |
954 | { | |
69f9032d | 955 | struct lbs_private *priv = (struct lbs_private *)data; |
1df4e8fe HS |
956 | unsigned long flags; |
957 | ||
61d30020 | 958 | lbs_deb_enter(LBS_DEB_CMD); |
2a345099 | 959 | spin_lock_irqsave(&priv->driver_lock, flags); |
1df4e8fe | 960 | |
2a345099 DW |
961 | if (!priv->cur_cmd) { |
962 | lbs_pr_info("Command timer expired; no pending command\n"); | |
963 | goto out; | |
1df4e8fe HS |
964 | } |
965 | ||
2a345099 | 966 | lbs_pr_info("Command %x timed out\n", le16_to_cpu(priv->cur_cmd->cmdbuf->command)); |
1df4e8fe | 967 | |
2a345099 | 968 | priv->cmd_timed_out = 1; |
1df4e8fe | 969 | wake_up_interruptible(&priv->waitq); |
61d30020 | 970 | out: |
2a345099 | 971 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 972 | lbs_deb_leave(LBS_DEB_CMD); |
1df4e8fe HS |
973 | } |
974 | ||
e226868e HS |
975 | static void lbs_sync_channel_worker(struct work_struct *work) |
976 | { | |
977 | struct lbs_private *priv = container_of(work, struct lbs_private, | |
978 | sync_channel); | |
979 | ||
980 | lbs_deb_enter(LBS_DEB_MAIN); | |
981 | if (lbs_update_channel(priv)) | |
982 | lbs_pr_info("Channel synchronization failed."); | |
983 | lbs_deb_leave(LBS_DEB_MAIN); | |
984 | } | |
985 | ||
986 | ||
69f9032d | 987 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 988 | { |
1df4e8fe | 989 | size_t bufsize; |
954ee164 | 990 | int i, ret = 0; |
1df4e8fe | 991 | |
61d30020 HS |
992 | lbs_deb_enter(LBS_DEB_MAIN); |
993 | ||
1df4e8fe HS |
994 | /* Allocate buffer to store the BSSID list */ |
995 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
aa21c004 DW |
996 | priv->networks = kzalloc(bufsize, GFP_KERNEL); |
997 | if (!priv->networks) { | |
1df4e8fe | 998 | lbs_pr_err("Out of memory allocating beacons\n"); |
954ee164 DW |
999 | ret = -1; |
1000 | goto out; | |
1df4e8fe HS |
1001 | } |
1002 | ||
954ee164 | 1003 | /* Initialize scan result lists */ |
aa21c004 DW |
1004 | INIT_LIST_HEAD(&priv->network_free_list); |
1005 | INIT_LIST_HEAD(&priv->network_list); | |
954ee164 | 1006 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
aa21c004 DW |
1007 | list_add_tail(&priv->networks[i].list, |
1008 | &priv->network_free_list); | |
954ee164 | 1009 | } |
1df4e8fe | 1010 | |
aa21c004 | 1011 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 1012 | |
aa21c004 DW |
1013 | priv->connect_status = LBS_DISCONNECTED; |
1014 | priv->mesh_connect_status = LBS_DISCONNECTED; | |
1015 | priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; | |
1016 | priv->mode = IW_MODE_INFRA; | |
1017 | priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; | |
d9e9778c | 1018 | priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
aa21c004 DW |
1019 | priv->radioon = RADIO_ON; |
1020 | priv->auto_rate = 1; | |
1021 | priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; | |
1022 | priv->psmode = LBS802_11POWERMODECAM; | |
1023 | priv->psstate = PS_STATE_FULL_POWER; | |
1df4e8fe | 1024 | |
aa21c004 | 1025 | mutex_init(&priv->lock); |
1df4e8fe | 1026 | |
aa21c004 | 1027 | setup_timer(&priv->command_timer, command_timer_fn, |
61d30020 | 1028 | (unsigned long)priv); |
1df4e8fe | 1029 | |
aa21c004 DW |
1030 | INIT_LIST_HEAD(&priv->cmdfreeq); |
1031 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 1032 | |
aa21c004 DW |
1033 | spin_lock_init(&priv->driver_lock); |
1034 | init_waitqueue_head(&priv->cmd_pending); | |
1df4e8fe | 1035 | |
954ee164 | 1036 | /* Allocate the command buffers */ |
10078321 | 1037 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 | 1038 | lbs_pr_err("Out of memory allocating command buffers\n"); |
7919b89c HS |
1039 | ret = -ENOMEM; |
1040 | goto out; | |
1041 | } | |
1042 | priv->resp_idx = 0; | |
1043 | priv->resp_len[0] = priv->resp_len[1] = 0; | |
1044 | ||
1045 | /* Create the event FIFO */ | |
1046 | priv->event_fifo = kfifo_alloc(sizeof(u32) * 16, GFP_KERNEL, NULL); | |
1047 | if (IS_ERR(priv->event_fifo)) { | |
1048 | lbs_pr_err("Out of memory allocating event FIFO buffer\n"); | |
1049 | ret = -ENOMEM; | |
1050 | goto out; | |
954ee164 | 1051 | } |
1df4e8fe | 1052 | |
954ee164 | 1053 | out: |
61d30020 HS |
1054 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1055 | ||
954ee164 DW |
1056 | return ret; |
1057 | } | |
1df4e8fe | 1058 | |
69f9032d | 1059 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 1060 | { |
61d30020 | 1061 | lbs_deb_enter(LBS_DEB_MAIN); |
1df4e8fe | 1062 | |
61d30020 | 1063 | lbs_free_cmd_buffer(priv); |
7919b89c HS |
1064 | if (priv->event_fifo) |
1065 | kfifo_free(priv->event_fifo); | |
aa21c004 | 1066 | del_timer(&priv->command_timer); |
aa21c004 DW |
1067 | kfree(priv->networks); |
1068 | priv->networks = NULL; | |
61d30020 HS |
1069 | |
1070 | lbs_deb_leave(LBS_DEB_MAIN); | |
1df4e8fe HS |
1071 | } |
1072 | ||
876c9d3a MT |
1073 | /** |
1074 | * @brief This function adds the card. it will probe the | |
10078321 | 1075 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1076 | * |
1077 | * @param card A pointer to card | |
69f9032d | 1078 | * @return A pointer to struct lbs_private structure |
876c9d3a | 1079 | */ |
69f9032d | 1080 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1081 | { |
1082 | struct net_device *dev = NULL; | |
69f9032d | 1083 | struct lbs_private *priv = NULL; |
876c9d3a | 1084 | |
61d30020 | 1085 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1086 | |
1087 | /* Allocate an Ethernet device and register it */ | |
69f9032d HS |
1088 | dev = alloc_etherdev(sizeof(struct lbs_private)); |
1089 | if (!dev) { | |
9012b28a | 1090 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1091 | goto done; |
876c9d3a | 1092 | } |
64f104e8 | 1093 | priv = dev->priv; |
876c9d3a | 1094 | |
10078321 | 1095 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1096 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1097 | goto err_init_adapter; | |
1098 | } | |
1099 | ||
634b8f49 HS |
1100 | priv->dev = dev; |
1101 | priv->card = card; | |
876c9d3a MT |
1102 | priv->mesh_open = 0; |
1103 | priv->infra_open = 0; | |
876c9d3a | 1104 | |
876c9d3a | 1105 | /* Setup the OS Interface to our functions */ |
8552855f | 1106 | dev->open = lbs_dev_open; |
198cefb9 | 1107 | dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1108 | dev->stop = lbs_eth_stop; |
10078321 HS |
1109 | dev->set_mac_address = lbs_set_mac_address; |
1110 | dev->tx_timeout = lbs_tx_timeout; | |
1111 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1112 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1113 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1114 | #ifdef WIRELESS_EXT |
10078321 | 1115 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1116 | #endif |
876c9d3a | 1117 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1118 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1119 | |
7732ca45 DW |
1120 | SET_NETDEV_DEV(dev, dmdev); |
1121 | ||
965f8bbc | 1122 | priv->rtap_net_dev = NULL; |
954ee164 DW |
1123 | |
1124 | lbs_deb_thread("Starting main thread...\n"); | |
1125 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1126 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1127 | if (IS_ERR(priv->main_thread)) { |
1128 | lbs_deb_thread("Error creating main thread.\n"); | |
e7deced0 | 1129 | goto err_init_adapter; |
954ee164 DW |
1130 | } |
1131 | ||
10078321 HS |
1132 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1133 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1134 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
e226868e | 1135 | INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); |
954ee164 | 1136 | |
23a397ac DW |
1137 | sprintf(priv->mesh_ssid, "mesh"); |
1138 | priv->mesh_ssid_len = 4; | |
1139 | ||
506e9025 DW |
1140 | priv->wol_criteria = 0xffffffff; |
1141 | priv->wol_gpio = 0xff; | |
1142 | ||
32a74b7c HS |
1143 | goto done; |
1144 | ||
954ee164 | 1145 | err_init_adapter: |
10078321 | 1146 | lbs_free_adapter(priv); |
32a74b7c | 1147 | free_netdev(dev); |
6a812157 | 1148 | priv = NULL; |
954ee164 | 1149 | |
32a74b7c | 1150 | done: |
61d30020 | 1151 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
32a74b7c HS |
1152 | return priv; |
1153 | } | |
10078321 | 1154 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1155 | |
954ee164 | 1156 | |
a63e5cb2 | 1157 | void lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 1158 | { |
634b8f49 | 1159 | struct net_device *dev = priv->dev; |
954ee164 | 1160 | union iwreq_data wrqu; |
32a74b7c HS |
1161 | |
1162 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1163 | |
23a397ac | 1164 | lbs_remove_mesh(priv); |
10078321 | 1165 | lbs_remove_rtap(priv); |
876c9d3a | 1166 | |
954ee164 | 1167 | dev = priv->dev; |
2afc0c5d | 1168 | |
954ee164 DW |
1169 | cancel_delayed_work(&priv->scan_work); |
1170 | cancel_delayed_work(&priv->assoc_work); | |
1171 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1172 | |
aa21c004 DW |
1173 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
1174 | priv->psmode = LBS802_11POWERMODECAM; | |
10078321 | 1175 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); |
876c9d3a MT |
1176 | } |
1177 | ||
954ee164 DW |
1178 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1179 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1180 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1181 | ||
1182 | /* Stop the thread servicing the interrupts */ | |
aa21c004 | 1183 | priv->surpriseremoved = 1; |
954ee164 DW |
1184 | kthread_stop(priv->main_thread); |
1185 | ||
10078321 | 1186 | lbs_free_adapter(priv); |
954ee164 DW |
1187 | |
1188 | priv->dev = NULL; | |
1189 | free_netdev(dev); | |
1190 | ||
1191 | lbs_deb_leave(LBS_DEB_MAIN); | |
954ee164 | 1192 | } |
10078321 | 1193 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1194 | |
1195 | ||
69f9032d | 1196 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
1197 | { |
1198 | struct net_device *dev = priv->dev; | |
1199 | int ret = -1; | |
1200 | ||
1201 | lbs_deb_enter(LBS_DEB_MAIN); | |
1202 | ||
1203 | /* poke the firmware */ | |
10078321 | 1204 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1205 | if (ret) |
1206 | goto done; | |
1207 | ||
1208 | /* init 802.11d */ | |
10078321 | 1209 | lbs_init_11d(priv); |
876c9d3a MT |
1210 | |
1211 | if (register_netdev(dev)) { | |
9012b28a | 1212 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1213 | goto done; |
876c9d3a | 1214 | } |
e7deced0 DW |
1215 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1216 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | |
020f3d00 | 1217 | |
020f3d00 | 1218 | lbs_update_channel(priv); |
020f3d00 | 1219 | |
c9d1be36 HS |
1220 | /* 5.0.16p0 is known to NOT support any mesh */ |
1221 | if (priv->fwrelease > 0x05001000) { | |
1222 | /* Enable mesh, if supported, and work out which TLV it uses. | |
1223 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
1224 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
1225 | but we check them in that order because 20.pXX doesn't | |
1226 | give an error -- it just silently fails. */ | |
1227 | ||
1228 | /* 5.110.20.pXX firmware will fail the command if the channel | |
1229 | doesn't match the existing channel. But only if the TLV | |
1230 | is correct. If the channel is wrong, _BOTH_ versions will | |
1231 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
1232 | It's just that 5.110.20.pXX will not have done anything | |
1233 | useful */ | |
1234 | ||
1235 | priv->mesh_tlv = 0x100 + 291; | |
1236 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) { | |
1237 | priv->mesh_tlv = 0x100 + 37; | |
1238 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) | |
1239 | priv->mesh_tlv = 0; | |
1240 | } | |
1241 | if (priv->mesh_tlv) { | |
1242 | lbs_add_mesh(priv); | |
1243 | ||
1244 | if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) | |
1245 | lbs_pr_err("cannot register lbs_mesh attribute\n"); | |
1246 | } | |
020f3d00 | 1247 | } |
876c9d3a | 1248 | |
10078321 | 1249 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1250 | |
954ee164 DW |
1251 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1252 | ||
32a74b7c | 1253 | ret = 0; |
876c9d3a | 1254 | |
32a74b7c | 1255 | done: |
954ee164 DW |
1256 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1257 | return ret; | |
1258 | } | |
10078321 | 1259 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1260 | |
1261 | ||
a63e5cb2 | 1262 | void lbs_stop_card(struct lbs_private *priv) |
954ee164 DW |
1263 | { |
1264 | struct net_device *dev = priv->dev; | |
954ee164 DW |
1265 | struct cmd_ctrl_node *cmdnode; |
1266 | unsigned long flags; | |
1267 | ||
1268 | lbs_deb_enter(LBS_DEB_MAIN); | |
1269 | ||
1270 | netif_stop_queue(priv->dev); | |
1271 | netif_carrier_off(priv->dev); | |
1272 | ||
10078321 | 1273 | lbs_debugfs_remove_one(priv); |
10bca0d5 | 1274 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
020f3d00 DW |
1275 | if (priv->mesh_tlv) |
1276 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
954ee164 DW |
1277 | |
1278 | /* Flush pending command nodes */ | |
aa21c004 DW |
1279 | spin_lock_irqsave(&priv->driver_lock, flags); |
1280 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { | |
ae125bf8 | 1281 | cmdnode->result = -ENOENT; |
954ee164 DW |
1282 | cmdnode->cmdwaitqwoken = 1; |
1283 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1284 | } | |
aa21c004 | 1285 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1286 | |
1287 | unregister_netdev(dev); | |
1288 | ||
a63e5cb2 | 1289 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a | 1290 | } |
10078321 | 1291 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1292 | |
876c9d3a | 1293 | |
78523daa HS |
1294 | /** |
1295 | * @brief This function adds mshX interface | |
1296 | * | |
69f9032d | 1297 | * @param priv A pointer to the struct lbs_private structure |
78523daa HS |
1298 | * @return 0 if successful, -X otherwise |
1299 | */ | |
23a397ac | 1300 | static int lbs_add_mesh(struct lbs_private *priv) |
78523daa HS |
1301 | { |
1302 | struct net_device *mesh_dev = NULL; | |
1303 | int ret = 0; | |
1304 | ||
1305 | lbs_deb_enter(LBS_DEB_MESH); | |
1306 | ||
1307 | /* Allocate a virtual mesh device */ | |
1308 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1309 | lbs_deb_mesh("init mshX device failed\n"); | |
1310 | ret = -ENOMEM; | |
1311 | goto done; | |
1312 | } | |
1313 | mesh_dev->priv = priv; | |
1314 | priv->mesh_dev = mesh_dev; | |
1315 | ||
8552855f | 1316 | mesh_dev->open = lbs_dev_open; |
198cefb9 | 1317 | mesh_dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1318 | mesh_dev->stop = lbs_mesh_stop; |
10078321 HS |
1319 | mesh_dev->get_stats = lbs_get_stats; |
1320 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1321 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1322 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1323 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1324 | |
23a397ac | 1325 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
7732ca45 | 1326 | |
78523daa | 1327 | #ifdef WIRELESS_EXT |
f5e05b69 | 1328 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1329 | #endif |
78523daa HS |
1330 | /* Register virtual mesh interface */ |
1331 | ret = register_netdev(mesh_dev); | |
1332 | if (ret) { | |
1333 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1334 | goto err_free; | |
1335 | } | |
1336 | ||
10078321 | 1337 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1338 | if (ret) |
1339 | goto err_unregister; | |
1340 | ||
1341 | /* Everything successful */ | |
1342 | ret = 0; | |
1343 | goto done; | |
1344 | ||
78523daa HS |
1345 | err_unregister: |
1346 | unregister_netdev(mesh_dev); | |
1347 | ||
1348 | err_free: | |
1349 | free_netdev(mesh_dev); | |
1350 | ||
1351 | done: | |
1352 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1353 | return ret; | |
1354 | } | |
084708b6 | 1355 | |
23a397ac | 1356 | static void lbs_remove_mesh(struct lbs_private *priv) |
78523daa HS |
1357 | { |
1358 | struct net_device *mesh_dev; | |
1359 | ||
78523daa HS |
1360 | |
1361 | mesh_dev = priv->mesh_dev; | |
23a397ac | 1362 | if (!mesh_dev) |
61d30020 | 1363 | return; |
78523daa | 1364 | |
61d30020 | 1365 | lbs_deb_enter(LBS_DEB_MESH); |
78523daa | 1366 | netif_stop_queue(mesh_dev); |
51d84f50 | 1367 | netif_carrier_off(priv->mesh_dev); |
10078321 | 1368 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa | 1369 | unregister_netdev(mesh_dev); |
23a397ac | 1370 | priv->mesh_dev = NULL; |
78523daa | 1371 | free_netdev(mesh_dev); |
61d30020 | 1372 | lbs_deb_leave(LBS_DEB_MESH); |
78523daa HS |
1373 | } |
1374 | ||
876c9d3a MT |
1375 | /** |
1376 | * @brief This function finds the CFP in | |
1377 | * region_cfp_table based on region and band parameter. | |
1378 | * | |
1379 | * @param region The region code | |
1380 | * @param band The band | |
1381 | * @param cfp_no A pointer to CFP number | |
1382 | * @return A pointer to CFP | |
1383 | */ | |
e98a88dd | 1384 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no) |
876c9d3a MT |
1385 | { |
1386 | int i, end; | |
1387 | ||
9012b28a | 1388 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1389 | |
ff8ac609 | 1390 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1391 | |
1392 | for (i = 0; i < end ; i++) { | |
9012b28a | 1393 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1394 | region_cfp_table[i].region); |
1395 | if (region_cfp_table[i].region == region) { | |
1396 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1397 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1398 | return region_cfp_table[i].cfp_BG; |
1399 | } | |
1400 | } | |
1401 | ||
9012b28a | 1402 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1403 | return NULL; |
1404 | } | |
1405 | ||
69f9032d | 1406 | int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1407 | { |
9012b28a | 1408 | int ret = 0; |
876c9d3a MT |
1409 | int i = 0; |
1410 | ||
1411 | struct chan_freq_power *cfp; | |
1412 | int cfp_no; | |
1413 | ||
9012b28a | 1414 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1415 | |
aa21c004 | 1416 | memset(priv->region_channel, 0, sizeof(priv->region_channel)); |
876c9d3a | 1417 | |
e98a88dd | 1418 | cfp = lbs_get_region_cfp_table(region, &cfp_no); |
61d30020 HS |
1419 | if (cfp != NULL) { |
1420 | priv->region_channel[i].nrcfp = cfp_no; | |
1421 | priv->region_channel[i].CFP = cfp; | |
1422 | } else { | |
1423 | lbs_deb_main("wrong region code %#x in band B/G\n", | |
1424 | region); | |
1425 | ret = -1; | |
1426 | goto out; | |
876c9d3a | 1427 | } |
61d30020 HS |
1428 | priv->region_channel[i].valid = 1; |
1429 | priv->region_channel[i].region = region; | |
1430 | priv->region_channel[i].band = band; | |
1431 | i++; | |
9012b28a HS |
1432 | out: |
1433 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1434 | return ret; | |
876c9d3a MT |
1435 | } |
1436 | ||
7919b89c HS |
1437 | void lbs_queue_event(struct lbs_private *priv, u32 event) |
1438 | { | |
1439 | unsigned long flags; | |
1440 | ||
1441 | lbs_deb_enter(LBS_DEB_THREAD); | |
1442 | spin_lock_irqsave(&priv->driver_lock, flags); | |
1443 | ||
1444 | if (priv->psstate == PS_STATE_SLEEP) | |
1445 | priv->psstate = PS_STATE_AWAKE; | |
1446 | ||
1447 | __kfifo_put(priv->event_fifo, (unsigned char *) &event, sizeof(u32)); | |
1448 | ||
1449 | wake_up_interruptible(&priv->waitq); | |
1450 | ||
1451 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1452 | lbs_deb_leave(LBS_DEB_THREAD); | |
1453 | } | |
1454 | EXPORT_SYMBOL_GPL(lbs_queue_event); | |
1455 | ||
1456 | void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx) | |
876c9d3a | 1457 | { |
ed37b516 | 1458 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1459 | |
4f679496 | 1460 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1461 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
1462 | |
1463 | /* Swap buffers by flipping the response index */ | |
1464 | BUG_ON(resp_idx > 1); | |
1465 | priv->resp_idx = resp_idx; | |
1466 | ||
fe336150 | 1467 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1468 | |
ed37b516 | 1469 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1470 | } |
7919b89c | 1471 | EXPORT_SYMBOL_GPL(lbs_notify_command_response); |
876c9d3a | 1472 | |
4fb910fd | 1473 | static int __init lbs_init_module(void) |
876c9d3a | 1474 | { |
9012b28a | 1475 | lbs_deb_enter(LBS_DEB_MAIN); |
f539f2ef HS |
1476 | memset(&confirm_sleep, 0, sizeof(confirm_sleep)); |
1477 | confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE); | |
1478 | confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep)); | |
1479 | confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); | |
10078321 | 1480 | lbs_debugfs_init(); |
084708b6 HS |
1481 | lbs_deb_leave(LBS_DEB_MAIN); |
1482 | return 0; | |
876c9d3a MT |
1483 | } |
1484 | ||
4fb910fd | 1485 | static void __exit lbs_exit_module(void) |
876c9d3a | 1486 | { |
9012b28a | 1487 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1488 | lbs_debugfs_remove(); |
9012b28a | 1489 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1490 | } |
1491 | ||
965f8bbc LCC |
1492 | /* |
1493 | * rtap interface support fuctions | |
1494 | */ | |
1495 | ||
10078321 | 1496 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc | 1497 | { |
8552855f | 1498 | /* Yes, _stop_ the queue. Because we don't support injection */ |
61d30020 HS |
1499 | lbs_deb_enter(LBS_DEB_MAIN); |
1500 | netif_carrier_off(dev); | |
1501 | netif_stop_queue(dev); | |
1502 | lbs_deb_leave(LBS_DEB_LEAVE); | |
1503 | return 0; | |
965f8bbc LCC |
1504 | } |
1505 | ||
10078321 | 1506 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc | 1507 | { |
61d30020 HS |
1508 | lbs_deb_enter(LBS_DEB_MAIN); |
1509 | lbs_deb_leave(LBS_DEB_MAIN); | |
1510 | return 0; | |
965f8bbc LCC |
1511 | } |
1512 | ||
10078321 | 1513 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc | 1514 | { |
61d30020 HS |
1515 | netif_stop_queue(dev); |
1516 | return NETDEV_TX_BUSY; | |
965f8bbc LCC |
1517 | } |
1518 | ||
10078321 | 1519 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1520 | { |
69f9032d | 1521 | struct lbs_private *priv = dev->priv; |
61d30020 | 1522 | lbs_deb_enter(LBS_DEB_NET); |
d9268fb9 | 1523 | return &priv->stats; |
965f8bbc LCC |
1524 | } |
1525 | ||
1526 | ||
2fd6cfe3 | 1527 | static void lbs_remove_rtap(struct lbs_private *priv) |
965f8bbc | 1528 | { |
61d30020 | 1529 | lbs_deb_enter(LBS_DEB_MAIN); |
965f8bbc | 1530 | if (priv->rtap_net_dev == NULL) |
5f505d90 | 1531 | goto out; |
965f8bbc | 1532 | unregister_netdev(priv->rtap_net_dev); |
d9268fb9 | 1533 | free_netdev(priv->rtap_net_dev); |
965f8bbc | 1534 | priv->rtap_net_dev = NULL; |
5f505d90 | 1535 | out: |
61d30020 | 1536 | lbs_deb_leave(LBS_DEB_MAIN); |
965f8bbc LCC |
1537 | } |
1538 | ||
2fd6cfe3 | 1539 | static int lbs_add_rtap(struct lbs_private *priv) |
965f8bbc | 1540 | { |
61d30020 | 1541 | int ret = 0; |
d9268fb9 | 1542 | struct net_device *rtap_dev; |
965f8bbc | 1543 | |
61d30020 HS |
1544 | lbs_deb_enter(LBS_DEB_MAIN); |
1545 | if (priv->rtap_net_dev) { | |
1546 | ret = -EPERM; | |
1547 | goto out; | |
1548 | } | |
965f8bbc | 1549 | |
d9268fb9 | 1550 | rtap_dev = alloc_netdev(0, "rtap%d", ether_setup); |
61d30020 HS |
1551 | if (rtap_dev == NULL) { |
1552 | ret = -ENOMEM; | |
1553 | goto out; | |
1554 | } | |
965f8bbc | 1555 | |
121947c6 | 1556 | memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN); |
d9268fb9 DW |
1557 | rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP; |
1558 | rtap_dev->open = lbs_rtap_open; | |
1559 | rtap_dev->stop = lbs_rtap_stop; | |
1560 | rtap_dev->get_stats = lbs_rtap_get_stats; | |
1561 | rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1562 | rtap_dev->set_multicast_list = lbs_set_multicast_list; | |
1563 | rtap_dev->priv = priv; | |
965f8bbc | 1564 | |
61d30020 HS |
1565 | ret = register_netdev(rtap_dev); |
1566 | if (ret) { | |
d9268fb9 | 1567 | free_netdev(rtap_dev); |
61d30020 | 1568 | goto out; |
965f8bbc | 1569 | } |
d9268fb9 | 1570 | priv->rtap_net_dev = rtap_dev; |
965f8bbc | 1571 | |
61d30020 HS |
1572 | out: |
1573 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1574 | return ret; | |
965f8bbc LCC |
1575 | } |
1576 | ||
04850a47 HS |
1577 | #ifndef CONFIG_IEEE80211 |
1578 | const char *escape_essid(const char *essid, u8 essid_len) | |
1579 | { | |
1580 | static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; | |
1581 | const char *s = essid; | |
1582 | char *d = escaped; | |
1583 | ||
1584 | if (ieee80211_is_empty_essid(essid, essid_len)) { | |
1585 | memcpy(escaped, "<hidden>", sizeof("<hidden>")); | |
1586 | return escaped; | |
1587 | } | |
1588 | ||
1589 | essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE); | |
1590 | while (essid_len--) { | |
1591 | if (*s == '\0') { | |
1592 | *d++ = '\\'; | |
1593 | *d++ = '0'; | |
1594 | s++; | |
1595 | } else { | |
1596 | *d++ = *s++; | |
1597 | } | |
1598 | } | |
1599 | *d = '\0'; | |
1600 | return escaped; | |
1601 | } | |
1602 | #endif | |
965f8bbc | 1603 | |
10078321 HS |
1604 | module_init(lbs_init_module); |
1605 | module_exit(lbs_exit_module); | |
876c9d3a | 1606 | |
084708b6 | 1607 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1608 | MODULE_AUTHOR("Marvell International Ltd."); |
1609 | MODULE_LICENSE("GPL"); |