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Commit | Line | Data |
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876c9d3a MT |
1 | /** |
2 | * This file contains the major functions in WLAN | |
3 | * driver. It includes init, exit, open, close and main | |
4 | * thread etc.. | |
5 | */ | |
6 | ||
a46c6410 | 7 | #include <linux/moduleparam.h> |
876c9d3a | 8 | #include <linux/delay.h> |
876c9d3a MT |
9 | #include <linux/etherdevice.h> |
10 | #include <linux/netdevice.h> | |
11 | #include <linux/if_arp.h> | |
fe336150 | 12 | #include <linux/kthread.h> |
876c9d3a MT |
13 | |
14 | #include <net/iw_handler.h> | |
9012b28a | 15 | #include <net/ieee80211.h> |
876c9d3a MT |
16 | |
17 | #include "host.h" | |
876c9d3a MT |
18 | #include "decl.h" |
19 | #include "dev.h" | |
876c9d3a MT |
20 | #include "wext.h" |
21 | #include "debugfs.h" | |
245bf20f | 22 | #include "scan.h" |
876c9d3a | 23 | #include "assoc.h" |
6e66f03f | 24 | #include "cmd.h" |
876c9d3a | 25 | |
7856a541 | 26 | #define DRIVER_RELEASE_VERSION "323.p0" |
10078321 | 27 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
3ce40232 DW |
28 | #ifdef DEBUG |
29 | "-dbg" | |
30 | #endif | |
31 | ""; | |
32 | ||
a46c6410 HS |
33 | |
34 | /* Module parameters */ | |
10078321 HS |
35 | unsigned int lbs_debug; |
36 | EXPORT_SYMBOL_GPL(lbs_debug); | |
37 | module_param_named(libertas_debug, lbs_debug, int, 0644); | |
a46c6410 HS |
38 | |
39 | ||
f539f2ef HS |
40 | /* This global structure is used to send the confirm_sleep command as |
41 | * fast as possible down to the firmware. */ | |
42 | struct cmd_confirm_sleep confirm_sleep; | |
43 | ||
44 | ||
10078321 HS |
45 | #define LBS_TX_PWR_DEFAULT 20 /*100mW */ |
46 | #define LBS_TX_PWR_US_DEFAULT 20 /*100mW */ | |
47 | #define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
48 | #define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
49 | #define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
876c9d3a MT |
50 | |
51 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
52 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
53 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
10078321 HS |
54 | {1, 2412, LBS_TX_PWR_US_DEFAULT}, |
55 | {2, 2417, LBS_TX_PWR_US_DEFAULT}, | |
56 | {3, 2422, LBS_TX_PWR_US_DEFAULT}, | |
57 | {4, 2427, LBS_TX_PWR_US_DEFAULT}, | |
58 | {5, 2432, LBS_TX_PWR_US_DEFAULT}, | |
59 | {6, 2437, LBS_TX_PWR_US_DEFAULT}, | |
60 | {7, 2442, LBS_TX_PWR_US_DEFAULT}, | |
61 | {8, 2447, LBS_TX_PWR_US_DEFAULT}, | |
62 | {9, 2452, LBS_TX_PWR_US_DEFAULT}, | |
63 | {10, 2457, LBS_TX_PWR_US_DEFAULT}, | |
64 | {11, 2462, LBS_TX_PWR_US_DEFAULT} | |
876c9d3a MT |
65 | }; |
66 | ||
67 | /* band: 'B/G', region: Europe ETSI */ | |
68 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
10078321 HS |
69 | {1, 2412, LBS_TX_PWR_EMEA_DEFAULT}, |
70 | {2, 2417, LBS_TX_PWR_EMEA_DEFAULT}, | |
71 | {3, 2422, LBS_TX_PWR_EMEA_DEFAULT}, | |
72 | {4, 2427, LBS_TX_PWR_EMEA_DEFAULT}, | |
73 | {5, 2432, LBS_TX_PWR_EMEA_DEFAULT}, | |
74 | {6, 2437, LBS_TX_PWR_EMEA_DEFAULT}, | |
75 | {7, 2442, LBS_TX_PWR_EMEA_DEFAULT}, | |
76 | {8, 2447, LBS_TX_PWR_EMEA_DEFAULT}, | |
77 | {9, 2452, LBS_TX_PWR_EMEA_DEFAULT}, | |
78 | {10, 2457, LBS_TX_PWR_EMEA_DEFAULT}, | |
79 | {11, 2462, LBS_TX_PWR_EMEA_DEFAULT}, | |
80 | {12, 2467, LBS_TX_PWR_EMEA_DEFAULT}, | |
81 | {13, 2472, LBS_TX_PWR_EMEA_DEFAULT} | |
876c9d3a MT |
82 | }; |
83 | ||
84 | /* band: 'B/G', region: Spain */ | |
85 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
10078321 HS |
86 | {10, 2457, LBS_TX_PWR_DEFAULT}, |
87 | {11, 2462, LBS_TX_PWR_DEFAULT} | |
876c9d3a MT |
88 | }; |
89 | ||
90 | /* band: 'B/G', region: France */ | |
91 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
10078321 HS |
92 | {10, 2457, LBS_TX_PWR_FR_DEFAULT}, |
93 | {11, 2462, LBS_TX_PWR_FR_DEFAULT}, | |
94 | {12, 2467, LBS_TX_PWR_FR_DEFAULT}, | |
95 | {13, 2472, LBS_TX_PWR_FR_DEFAULT} | |
876c9d3a MT |
96 | }; |
97 | ||
98 | /* band: 'B/G', region: Japan */ | |
99 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
10078321 HS |
100 | {1, 2412, LBS_TX_PWR_JP_DEFAULT}, |
101 | {2, 2417, LBS_TX_PWR_JP_DEFAULT}, | |
102 | {3, 2422, LBS_TX_PWR_JP_DEFAULT}, | |
103 | {4, 2427, LBS_TX_PWR_JP_DEFAULT}, | |
104 | {5, 2432, LBS_TX_PWR_JP_DEFAULT}, | |
105 | {6, 2437, LBS_TX_PWR_JP_DEFAULT}, | |
106 | {7, 2442, LBS_TX_PWR_JP_DEFAULT}, | |
107 | {8, 2447, LBS_TX_PWR_JP_DEFAULT}, | |
108 | {9, 2452, LBS_TX_PWR_JP_DEFAULT}, | |
109 | {10, 2457, LBS_TX_PWR_JP_DEFAULT}, | |
110 | {11, 2462, LBS_TX_PWR_JP_DEFAULT}, | |
111 | {12, 2467, LBS_TX_PWR_JP_DEFAULT}, | |
112 | {13, 2472, LBS_TX_PWR_JP_DEFAULT}, | |
113 | {14, 2484, LBS_TX_PWR_JP_DEFAULT} | |
876c9d3a MT |
114 | }; |
115 | ||
116 | /** | |
117 | * the structure for channel, frequency and power | |
118 | */ | |
119 | struct region_cfp_table { | |
120 | u8 region; | |
121 | struct chan_freq_power *cfp_BG; | |
122 | int cfp_no_BG; | |
123 | }; | |
124 | ||
125 | /** | |
126 | * the structure for the mapping between region and CFP | |
127 | */ | |
128 | static struct region_cfp_table region_cfp_table[] = { | |
129 | {0x10, /*US FCC */ | |
130 | channel_freq_power_US_BG, | |
ff8ac609 | 131 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
132 | } |
133 | , | |
134 | {0x20, /*CANADA IC */ | |
135 | channel_freq_power_US_BG, | |
ff8ac609 | 136 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
137 | } |
138 | , | |
139 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
ff8ac609 | 140 | ARRAY_SIZE(channel_freq_power_EU_BG), |
876c9d3a MT |
141 | } |
142 | , | |
143 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
ff8ac609 | 144 | ARRAY_SIZE(channel_freq_power_SPN_BG), |
876c9d3a MT |
145 | } |
146 | , | |
147 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
ff8ac609 | 148 | ARRAY_SIZE(channel_freq_power_FR_BG), |
876c9d3a MT |
149 | } |
150 | , | |
151 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
ff8ac609 | 152 | ARRAY_SIZE(channel_freq_power_JPN_BG), |
876c9d3a MT |
153 | } |
154 | , | |
155 | /*Add new region here */ | |
156 | }; | |
157 | ||
876c9d3a | 158 | /** |
8c512765 | 159 | * the table to keep region code |
876c9d3a | 160 | */ |
10078321 | 161 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
8c512765 | 162 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
876c9d3a MT |
163 | |
164 | /** | |
8c512765 | 165 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 166 | */ |
10078321 | 167 | u8 lbs_bg_rates[MAX_RATES] = |
8c512765 DW |
168 | { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, |
169 | 0x00, 0x00 }; | |
876c9d3a MT |
170 | |
171 | /** | |
8c512765 DW |
172 | * FW rate table. FW refers to rates by their index in this table, not by the |
173 | * rate value itself. Values of 0x00 are | |
174 | * reserved positions. | |
876c9d3a | 175 | */ |
8c512765 DW |
176 | static u8 fw_data_rates[MAX_RATES] = |
177 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
178 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
179 | }; | |
876c9d3a | 180 | |
876c9d3a | 181 | /** |
8c512765 DW |
182 | * @brief use index to get the data rate |
183 | * | |
184 | * @param idx The index of data rate | |
185 | * @return data rate or 0 | |
876c9d3a | 186 | */ |
10078321 | 187 | u32 lbs_fw_index_to_data_rate(u8 idx) |
8c512765 DW |
188 | { |
189 | if (idx >= sizeof(fw_data_rates)) | |
190 | idx = 0; | |
191 | return fw_data_rates[idx]; | |
192 | } | |
193 | ||
194 | /** | |
195 | * @brief use rate to get the index | |
196 | * | |
197 | * @param rate data rate | |
198 | * @return index or 0 | |
199 | */ | |
10078321 | 200 | u8 lbs_data_rate_to_fw_index(u32 rate) |
8c512765 DW |
201 | { |
202 | u8 i; | |
203 | ||
204 | if (!rate) | |
205 | return 0; | |
206 | ||
207 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
208 | if (rate == fw_data_rates[i]) | |
209 | return i; | |
210 | } | |
211 | return 0; | |
212 | } | |
876c9d3a | 213 | |
876c9d3a MT |
214 | /** |
215 | * Attributes exported through sysfs | |
216 | */ | |
876c9d3a MT |
217 | |
218 | /** | |
82fde74b | 219 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 220 | */ |
10078321 | 221 | static ssize_t lbs_anycast_get(struct device *dev, |
b59bb616 DW |
222 | struct device_attribute *attr, char * buf) |
223 | { | |
301eacbf | 224 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 225 | struct cmd_ds_mesh_access mesh_access; |
301eacbf | 226 | int ret; |
876c9d3a MT |
227 | |
228 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
301eacbf DW |
229 | |
230 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
231 | if (ret) | |
232 | return ret; | |
876c9d3a | 233 | |
82fde74b | 234 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
235 | } |
236 | ||
237 | /** | |
82fde74b | 238 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 239 | */ |
10078321 | 240 | static ssize_t lbs_anycast_set(struct device *dev, |
b59bb616 DW |
241 | struct device_attribute *attr, const char * buf, size_t count) |
242 | { | |
301eacbf | 243 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 244 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 245 | uint32_t datum; |
301eacbf | 246 | int ret; |
876c9d3a | 247 | |
876c9d3a | 248 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 249 | sscanf(buf, "%x", &datum); |
981f187b DW |
250 | mesh_access.data[0] = cpu_to_le32(datum); |
251 | ||
301eacbf DW |
252 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); |
253 | if (ret) | |
254 | return ret; | |
255 | ||
876c9d3a MT |
256 | return strlen(buf); |
257 | } | |
258 | ||
2fd6cfe3 DW |
259 | static int lbs_add_rtap(struct lbs_private *priv); |
260 | static void lbs_remove_rtap(struct lbs_private *priv); | |
23a397ac DW |
261 | static int lbs_add_mesh(struct lbs_private *priv); |
262 | static void lbs_remove_mesh(struct lbs_private *priv); | |
7e226272 | 263 | |
965f8bbc LCC |
264 | |
265 | /** | |
266 | * Get function for sysfs attribute rtap | |
267 | */ | |
10078321 | 268 | static ssize_t lbs_rtap_get(struct device *dev, |
965f8bbc LCC |
269 | struct device_attribute *attr, char * buf) |
270 | { | |
e7deced0 | 271 | struct lbs_private *priv = to_net_dev(dev)->priv; |
aa21c004 | 272 | return snprintf(buf, 5, "0x%X\n", priv->monitormode); |
965f8bbc LCC |
273 | } |
274 | ||
275 | /** | |
276 | * Set function for sysfs attribute rtap | |
277 | */ | |
10078321 | 278 | static ssize_t lbs_rtap_set(struct device *dev, |
965f8bbc LCC |
279 | struct device_attribute *attr, const char * buf, size_t count) |
280 | { | |
281 | int monitor_mode; | |
e7deced0 | 282 | struct lbs_private *priv = to_net_dev(dev)->priv; |
965f8bbc LCC |
283 | |
284 | sscanf(buf, "%x", &monitor_mode); | |
c2b310a7 HS |
285 | if (monitor_mode) { |
286 | if (priv->monitormode == monitor_mode) | |
965f8bbc | 287 | return strlen(buf); |
c2b310a7 | 288 | if (!priv->monitormode) { |
8552855f DW |
289 | if (priv->infra_open || priv->mesh_open) |
290 | return -EBUSY; | |
aa21c004 | 291 | if (priv->mode == IW_MODE_INFRA) |
10078321 | 292 | lbs_send_deauthentication(priv); |
aa21c004 | 293 | else if (priv->mode == IW_MODE_ADHOC) |
10078321 HS |
294 | lbs_stop_adhoc_network(priv); |
295 | lbs_add_rtap(priv); | |
965f8bbc | 296 | } |
aa21c004 | 297 | priv->monitormode = monitor_mode; |
965f8bbc LCC |
298 | } |
299 | ||
300 | else { | |
c2b310a7 | 301 | if (!priv->monitormode) |
965f8bbc | 302 | return strlen(buf); |
c2b310a7 | 303 | priv->monitormode = 0; |
10078321 | 304 | lbs_remove_rtap(priv); |
f86a93e1 | 305 | |
aa21c004 DW |
306 | if (priv->currenttxskb) { |
307 | dev_kfree_skb_any(priv->currenttxskb); | |
308 | priv->currenttxskb = NULL; | |
f86a93e1 DW |
309 | } |
310 | ||
311 | /* Wake queues, command thread, etc. */ | |
312 | lbs_host_to_card_done(priv); | |
965f8bbc LCC |
313 | } |
314 | ||
10078321 | 315 | lbs_prepare_and_send_command(priv, |
965f8bbc | 316 | CMD_802_11_MONITOR_MODE, CMD_ACT_SET, |
aa21c004 | 317 | CMD_OPTION_WAITFORRSP, 0, &priv->monitormode); |
965f8bbc LCC |
318 | return strlen(buf); |
319 | } | |
320 | ||
321 | /** | |
23a397ac DW |
322 | * lbs_rtap attribute to be exported per ethX interface |
323 | * through sysfs (/sys/class/net/ethX/lbs_rtap) | |
965f8bbc | 324 | */ |
23a397ac DW |
325 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set ); |
326 | ||
327 | /** | |
328 | * Get function for sysfs attribute mesh | |
329 | */ | |
330 | static ssize_t lbs_mesh_get(struct device *dev, | |
331 | struct device_attribute *attr, char * buf) | |
332 | { | |
333 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
334 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
335 | } | |
336 | ||
337 | /** | |
338 | * Set function for sysfs attribute mesh | |
339 | */ | |
340 | static ssize_t lbs_mesh_set(struct device *dev, | |
341 | struct device_attribute *attr, const char * buf, size_t count) | |
342 | { | |
343 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
344 | int enable; | |
345 | int ret; | |
346 | ||
347 | sscanf(buf, "%x", &enable); | |
348 | enable = !!enable; | |
349 | if (enable == !!priv->mesh_dev) | |
350 | return count; | |
351 | ||
86062134 | 352 | ret = lbs_mesh_config(priv, enable, priv->curbssparams.channel); |
23a397ac DW |
353 | if (ret) |
354 | return ret; | |
7e226272 | 355 | |
23a397ac DW |
356 | if (enable) |
357 | lbs_add_mesh(priv); | |
358 | else | |
359 | lbs_remove_mesh(priv); | |
360 | ||
361 | return count; | |
362 | } | |
363 | ||
364 | /** | |
365 | * lbs_mesh attribute to be exported per ethX interface | |
366 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
367 | */ | |
368 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
965f8bbc | 369 | |
876c9d3a | 370 | /** |
82fde74b LC |
371 | * anycast_mask attribute to be exported per mshX interface |
372 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 373 | */ |
10078321 | 374 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); |
876c9d3a | 375 | |
10078321 | 376 | static struct attribute *lbs_mesh_sysfs_entries[] = { |
a9f38d02 | 377 | &dev_attr_anycast_mask.attr, |
a9f38d02 LCC |
378 | NULL, |
379 | }; | |
380 | ||
10078321 HS |
381 | static struct attribute_group lbs_mesh_attr_group = { |
382 | .attrs = lbs_mesh_sysfs_entries, | |
a9f38d02 LCC |
383 | }; |
384 | ||
876c9d3a | 385 | /** |
8552855f | 386 | * @brief This function opens the ethX or mshX interface |
876c9d3a MT |
387 | * |
388 | * @param dev A pointer to net_device structure | |
8552855f | 389 | * @return 0 or -EBUSY if monitor mode active |
876c9d3a | 390 | */ |
10078321 | 391 | static int lbs_dev_open(struct net_device *dev) |
876c9d3a | 392 | { |
8552855f DW |
393 | struct lbs_private *priv = (struct lbs_private *) dev->priv ; |
394 | int ret = 0; | |
876c9d3a | 395 | |
61d30020 HS |
396 | lbs_deb_enter(LBS_DEB_NET); |
397 | ||
8552855f | 398 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 399 | |
c2b310a7 | 400 | if (priv->monitormode) { |
8552855f DW |
401 | ret = -EBUSY; |
402 | goto out; | |
403 | } | |
01d77d8d | 404 | |
8552855f DW |
405 | if (dev == priv->mesh_dev) { |
406 | priv->mesh_open = 1; | |
407 | priv->mesh_connect_status = LBS_CONNECTED; | |
408 | netif_carrier_on(dev); | |
409 | } else { | |
410 | priv->infra_open = 1; | |
7e226272 | 411 | |
8552855f DW |
412 | if (priv->connect_status == LBS_CONNECTED) |
413 | netif_carrier_on(dev); | |
01d77d8d | 414 | else |
8552855f | 415 | netif_carrier_off(dev); |
51d84f50 | 416 | } |
876c9d3a | 417 | |
8552855f DW |
418 | if (!priv->tx_pending_len) |
419 | netif_wake_queue(dev); | |
420 | out: | |
876c9d3a | 421 | |
8552855f | 422 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 423 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
8552855f | 424 | return ret; |
876c9d3a MT |
425 | } |
426 | ||
427 | /** | |
428 | * @brief This function closes the mshX interface | |
429 | * | |
430 | * @param dev A pointer to net_device structure | |
431 | * @return 0 | |
432 | */ | |
8552855f | 433 | static int lbs_mesh_stop(struct net_device *dev) |
876c9d3a | 434 | { |
69f9032d | 435 | struct lbs_private *priv = (struct lbs_private *) (dev->priv); |
876c9d3a | 436 | |
61d30020 | 437 | lbs_deb_enter(LBS_DEB_MESH); |
8552855f DW |
438 | spin_lock_irq(&priv->driver_lock); |
439 | ||
876c9d3a | 440 | priv->mesh_open = 0; |
8552855f DW |
441 | priv->mesh_connect_status = LBS_DISCONNECTED; |
442 | ||
443 | netif_stop_queue(dev); | |
444 | netif_carrier_off(dev); | |
7e226272 | 445 | |
8552855f | 446 | spin_unlock_irq(&priv->driver_lock); |
61d30020 HS |
447 | |
448 | lbs_deb_leave(LBS_DEB_MESH); | |
8552855f | 449 | return 0; |
876c9d3a MT |
450 | } |
451 | ||
452 | /** | |
453 | * @brief This function closes the ethX interface | |
454 | * | |
455 | * @param dev A pointer to net_device structure | |
456 | * @return 0 | |
457 | */ | |
8552855f | 458 | static int lbs_eth_stop(struct net_device *dev) |
78523daa | 459 | { |
69f9032d | 460 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 461 | |
61d30020 | 462 | lbs_deb_enter(LBS_DEB_NET); |
8552855f | 463 | |
61d30020 | 464 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 465 | priv->infra_open = 0; |
8552855f | 466 | netif_stop_queue(dev); |
8552855f | 467 | spin_unlock_irq(&priv->driver_lock); |
61d30020 HS |
468 | |
469 | lbs_deb_leave(LBS_DEB_NET); | |
8552855f | 470 | return 0; |
876c9d3a MT |
471 | } |
472 | ||
10078321 | 473 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 474 | { |
69f9032d | 475 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 476 | |
9012b28a | 477 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 478 | |
9012b28a | 479 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 480 | |
876c9d3a MT |
481 | dev->trans_start = jiffies; |
482 | ||
aa21c004 | 483 | if (priv->currenttxskb) { |
a63b22bb DW |
484 | priv->eventcause = 0x01000000; |
485 | lbs_send_tx_feedback(priv); | |
51d84f50 | 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 MT |
661 | wait_queue_t wait; |
662 | u8 ireg = 0; | |
663 | ||
9012b28a | 664 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 665 | |
876c9d3a MT |
666 | init_waitqueue_entry(&wait, current); |
667 | ||
668 | for (;;) { | |
b8d40bc9 DW |
669 | int shouldsleep; |
670 | ||
59f3e4bf | 671 | lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 672 | priv->intcounter, 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 */ | |
684 | else if (priv->intcounter) | |
685 | shouldsleep = 0; /* Interrupt pending. Deal with it now */ | |
2a345099 DW |
686 | else if (priv->cmd_timed_out) |
687 | shouldsleep = 0; /* Command timed out. Recover */ | |
b15152a4 DW |
688 | else if (!priv->fw_ready) |
689 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ | |
b8d40bc9 DW |
690 | else if (priv->dnld_sent) |
691 | shouldsleep = 1; /* Something is en route to the device already */ | |
2eb188a1 DW |
692 | else if (priv->tx_pending_len > 0) |
693 | shouldsleep = 0; /* We've a packet to send */ | |
b8d40bc9 DW |
694 | else if (priv->cur_cmd) |
695 | shouldsleep = 1; /* Can't send a command; one already running */ | |
696 | else if (!list_empty(&priv->cmdpendingq)) | |
697 | shouldsleep = 0; /* We have a command to send */ | |
698 | else | |
699 | shouldsleep = 1; /* No command */ | |
700 | ||
701 | if (shouldsleep) { | |
59f3e4bf | 702 | lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
aa21c004 DW |
703 | priv->connect_status, priv->intcounter, |
704 | priv->psmode, priv->psstate); | |
705 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
706 | schedule(); |
707 | } else | |
aa21c004 | 708 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 709 | |
59f3e4bf | 710 | lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 711 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
712 | |
713 | set_current_state(TASK_RUNNING); | |
fe336150 | 714 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a | 715 | |
59f3e4bf | 716 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 717 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a | 718 | |
d9f88705 DW |
719 | if (kthread_should_stop()) { |
720 | lbs_deb_thread("main-thread: break from main thread\n"); | |
876c9d3a MT |
721 | break; |
722 | } | |
723 | ||
d9f88705 DW |
724 | if (priv->surpriseremoved) { |
725 | lbs_deb_thread("adapter removed; waiting to die...\n"); | |
726 | continue; | |
727 | } | |
876c9d3a | 728 | |
aa21c004 | 729 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 730 | |
aa21c004 | 731 | if (priv->intcounter) { |
876c9d3a | 732 | u8 int_status; |
59f3e4bf | 733 | |
aa21c004 | 734 | priv->intcounter = 0; |
208fdd2f | 735 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
736 | |
737 | if (int_status) { | |
59f3e4bf | 738 | lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n"); |
aa21c004 | 739 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
740 | continue; |
741 | } | |
aa21c004 | 742 | priv->hisregcpy |= ireg; |
876c9d3a MT |
743 | } |
744 | ||
59f3e4bf | 745 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n", |
aa21c004 | 746 | priv->intcounter, priv->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
747 | |
748 | /* command response? */ | |
aa21c004 | 749 | if (priv->hisregcpy & MRVDRV_CMD_UPLD_RDY) { |
9012b28a | 750 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a | 751 | |
aa21c004 DW |
752 | priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; |
753 | spin_unlock_irq(&priv->driver_lock); | |
10078321 | 754 | lbs_process_rx_command(priv); |
aa21c004 | 755 | spin_lock_irq(&priv->driver_lock); |
876c9d3a MT |
756 | } |
757 | ||
2a345099 DW |
758 | if (priv->cmd_timed_out && priv->cur_cmd) { |
759 | struct cmd_ctrl_node *cmdnode = priv->cur_cmd; | |
760 | ||
761 | if (++priv->nr_retries > 10) { | |
762 | lbs_pr_info("Excessive timeouts submitting command %x\n", | |
763 | le16_to_cpu(cmdnode->cmdbuf->command)); | |
764 | lbs_complete_command(priv, cmdnode, -ETIMEDOUT); | |
765 | priv->nr_retries = 0; | |
766 | } else { | |
767 | priv->cur_cmd = NULL; | |
768 | lbs_pr_info("requeueing command %x due to timeout (#%d)\n", | |
769 | le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries); | |
770 | ||
771 | /* Stick it back at the _top_ of the pending queue | |
772 | for immediate resubmission */ | |
773 | list_add(&cmdnode->list, &priv->cmdpendingq); | |
774 | } | |
775 | } | |
776 | priv->cmd_timed_out = 0; | |
777 | ||
876c9d3a | 778 | /* Any Card Event */ |
aa21c004 | 779 | if (priv->hisregcpy & MRVDRV_CARDEVENT) { |
9012b28a | 780 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a | 781 | |
aa21c004 | 782 | priv->hisregcpy &= ~MRVDRV_CARDEVENT; |
876c9d3a | 783 | |
208fdd2f | 784 | if (priv->hw_read_event_cause(priv)) { |
59f3e4bf | 785 | lbs_pr_alert("main-thread: hw_read_event_cause failed\n"); |
aa21c004 | 786 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
787 | continue; |
788 | } | |
aa21c004 | 789 | spin_unlock_irq(&priv->driver_lock); |
10078321 | 790 | lbs_process_event(priv); |
876c9d3a | 791 | } else |
aa21c004 | 792 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 793 | |
b15152a4 DW |
794 | if (!priv->fw_ready) |
795 | continue; | |
796 | ||
876c9d3a | 797 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
798 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
799 | !priv->dnld_sent && !priv->cur_cmd) { | |
800 | if (priv->connect_status == LBS_CONNECTED) { | |
59f3e4bf | 801 | lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n", |
aa21c004 | 802 | priv->intcounter, priv->currenttxskb, priv->dnld_sent, priv->cur_cmd); |
59f3e4bf | 803 | |
d4ff0ef6 | 804 | lbs_ps_confirm_sleep(priv); |
59f3e4bf DW |
805 | } else { |
806 | /* workaround for firmware sending | |
807 | * deauth/linkloss event immediately | |
808 | * after sleep request; remove this | |
809 | * after firmware fixes it | |
810 | */ | |
aa21c004 | 811 | priv->psstate = PS_STATE_AWAKE; |
59f3e4bf | 812 | lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n"); |
876c9d3a MT |
813 | } |
814 | } | |
815 | ||
816 | /* The PS state is changed during processing of Sleep Request | |
817 | * event above | |
818 | */ | |
aa21c004 DW |
819 | if ((priv->psstate == PS_STATE_SLEEP) || |
820 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
821 | continue; |
822 | ||
823 | /* Execute the next command */ | |
aa21c004 | 824 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 825 | lbs_execute_next_command(priv); |
876c9d3a MT |
826 | |
827 | /* Wake-up command waiters which can't sleep in | |
10078321 | 828 | * lbs_prepare_and_send_command |
876c9d3a | 829 | */ |
aa21c004 DW |
830 | if (!list_empty(&priv->cmdpendingq)) |
831 | wake_up_all(&priv->cmd_pending); | |
2eb188a1 DW |
832 | |
833 | spin_lock_irq(&priv->driver_lock); | |
834 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
835 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
836 | priv->tx_pending_buf, | |
837 | priv->tx_pending_len); | |
838 | if (ret) { | |
839 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
840 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
841 | } | |
842 | priv->tx_pending_len = 0; | |
843 | if (!priv->currenttxskb) { | |
844 | /* We can wake the queues immediately if we aren't | |
845 | waiting for TX feedback */ | |
846 | if (priv->connect_status == LBS_CONNECTED) | |
847 | netif_wake_queue(priv->dev); | |
848 | if (priv->mesh_dev && | |
849 | priv->mesh_connect_status == LBS_CONNECTED) | |
850 | netif_wake_queue(priv->mesh_dev); | |
851 | } | |
852 | } | |
853 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
854 | } |
855 | ||
aa21c004 DW |
856 | del_timer(&priv->command_timer); |
857 | wake_up_all(&priv->cmd_pending); | |
876c9d3a | 858 | |
9012b28a | 859 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
860 | return 0; |
861 | } | |
862 | ||
ab25ecae DW |
863 | static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy, |
864 | struct cmd_header *cmd) | |
865 | { | |
61d30020 | 866 | lbs_deb_enter(LBS_DEB_FW); |
ab25ecae DW |
867 | |
868 | netif_device_detach(priv->dev); | |
869 | if (priv->mesh_dev) | |
870 | netif_device_detach(priv->mesh_dev); | |
871 | ||
872 | priv->fw_ready = 0; | |
61d30020 | 873 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
874 | return 0; |
875 | } | |
876 | ||
ab25ecae DW |
877 | int lbs_suspend(struct lbs_private *priv) |
878 | { | |
879 | struct cmd_header cmd; | |
880 | int ret; | |
881 | ||
61d30020 HS |
882 | lbs_deb_enter(LBS_DEB_FW); |
883 | ||
506e9025 DW |
884 | if (priv->wol_criteria == 0xffffffff) { |
885 | lbs_pr_info("Suspend attempt without configuring wake params!\n"); | |
886 | return -EINVAL; | |
887 | } | |
888 | ||
ab25ecae | 889 | memset(&cmd, 0, sizeof(cmd)); |
7e226272 | 890 | |
ab25ecae DW |
891 | ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd, |
892 | sizeof(cmd), lbs_suspend_callback, 0); | |
893 | if (ret) | |
894 | lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret); | |
895 | ||
61d30020 | 896 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
ab25ecae DW |
897 | return ret; |
898 | } | |
899 | EXPORT_SYMBOL_GPL(lbs_suspend); | |
900 | ||
901 | int lbs_resume(struct lbs_private *priv) | |
902 | { | |
61d30020 HS |
903 | lbs_deb_enter(LBS_DEB_FW); |
904 | ||
ab25ecae DW |
905 | priv->fw_ready = 1; |
906 | ||
907 | /* Firmware doesn't seem to give us RX packets any more | |
908 | until we send it some command. Might as well update */ | |
909 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
910 | 0, 0, NULL); | |
911 | ||
912 | netif_device_attach(priv->dev); | |
913 | if (priv->mesh_dev) | |
914 | netif_device_attach(priv->mesh_dev); | |
915 | ||
61d30020 | 916 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
917 | return 0; |
918 | } | |
919 | EXPORT_SYMBOL_GPL(lbs_resume); | |
920 | ||
1df4e8fe HS |
921 | /** |
922 | * @brief This function downloads firmware image, gets | |
923 | * HW spec from firmware and set basic parameters to | |
924 | * firmware. | |
925 | * | |
69f9032d | 926 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
927 | * @return 0 or -1 |
928 | */ | |
69f9032d | 929 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
930 | { |
931 | int ret = -1; | |
1df4e8fe HS |
932 | |
933 | lbs_deb_enter(LBS_DEB_FW); | |
934 | ||
1df4e8fe HS |
935 | /* |
936 | * Read MAC address from HW | |
937 | */ | |
aa21c004 | 938 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 939 | ret = lbs_update_hw_spec(priv); |
1df4e8fe HS |
940 | if (ret) { |
941 | ret = -1; | |
942 | goto done; | |
943 | } | |
944 | ||
d9e9778c | 945 | lbs_set_mac_control(priv); |
1df4e8fe | 946 | |
8e3c91bb DW |
947 | ret = lbs_get_data_rate(priv); |
948 | if (ret < 0) { | |
1df4e8fe HS |
949 | ret = -1; |
950 | goto done; | |
951 | } | |
952 | ||
953 | ret = 0; | |
954 | done: | |
955 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
956 | return ret; | |
957 | } | |
958 | ||
1df4e8fe HS |
959 | /** |
960 | * This function handles the timeout of command sending. | |
961 | * It will re-send the same command again. | |
962 | */ | |
963 | static void command_timer_fn(unsigned long data) | |
964 | { | |
69f9032d | 965 | struct lbs_private *priv = (struct lbs_private *)data; |
1df4e8fe HS |
966 | unsigned long flags; |
967 | ||
61d30020 | 968 | lbs_deb_enter(LBS_DEB_CMD); |
2a345099 | 969 | spin_lock_irqsave(&priv->driver_lock, flags); |
1df4e8fe | 970 | |
2a345099 DW |
971 | if (!priv->cur_cmd) { |
972 | lbs_pr_info("Command timer expired; no pending command\n"); | |
973 | goto out; | |
1df4e8fe HS |
974 | } |
975 | ||
2a345099 | 976 | lbs_pr_info("Command %x timed out\n", le16_to_cpu(priv->cur_cmd->cmdbuf->command)); |
1df4e8fe | 977 | |
2a345099 | 978 | priv->cmd_timed_out = 1; |
1df4e8fe | 979 | wake_up_interruptible(&priv->waitq); |
61d30020 | 980 | out: |
2a345099 | 981 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 982 | lbs_deb_leave(LBS_DEB_CMD); |
1df4e8fe HS |
983 | } |
984 | ||
e226868e HS |
985 | static void lbs_sync_channel_worker(struct work_struct *work) |
986 | { | |
987 | struct lbs_private *priv = container_of(work, struct lbs_private, | |
988 | sync_channel); | |
989 | ||
990 | lbs_deb_enter(LBS_DEB_MAIN); | |
991 | if (lbs_update_channel(priv)) | |
992 | lbs_pr_info("Channel synchronization failed."); | |
993 | lbs_deb_leave(LBS_DEB_MAIN); | |
994 | } | |
995 | ||
996 | ||
69f9032d | 997 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 998 | { |
1df4e8fe | 999 | size_t bufsize; |
954ee164 | 1000 | int i, ret = 0; |
1df4e8fe | 1001 | |
61d30020 HS |
1002 | lbs_deb_enter(LBS_DEB_MAIN); |
1003 | ||
1df4e8fe HS |
1004 | /* Allocate buffer to store the BSSID list */ |
1005 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
aa21c004 DW |
1006 | priv->networks = kzalloc(bufsize, GFP_KERNEL); |
1007 | if (!priv->networks) { | |
1df4e8fe | 1008 | lbs_pr_err("Out of memory allocating beacons\n"); |
954ee164 DW |
1009 | ret = -1; |
1010 | goto out; | |
1df4e8fe HS |
1011 | } |
1012 | ||
954ee164 | 1013 | /* Initialize scan result lists */ |
aa21c004 DW |
1014 | INIT_LIST_HEAD(&priv->network_free_list); |
1015 | INIT_LIST_HEAD(&priv->network_list); | |
954ee164 | 1016 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
aa21c004 DW |
1017 | list_add_tail(&priv->networks[i].list, |
1018 | &priv->network_free_list); | |
954ee164 | 1019 | } |
1df4e8fe | 1020 | |
aa21c004 | 1021 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 1022 | |
aa21c004 DW |
1023 | priv->connect_status = LBS_DISCONNECTED; |
1024 | priv->mesh_connect_status = LBS_DISCONNECTED; | |
1025 | priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; | |
1026 | priv->mode = IW_MODE_INFRA; | |
1027 | priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; | |
d9e9778c | 1028 | priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
aa21c004 DW |
1029 | priv->radioon = RADIO_ON; |
1030 | priv->auto_rate = 1; | |
1031 | priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; | |
1032 | priv->psmode = LBS802_11POWERMODECAM; | |
1033 | priv->psstate = PS_STATE_FULL_POWER; | |
1df4e8fe | 1034 | |
aa21c004 | 1035 | mutex_init(&priv->lock); |
1df4e8fe | 1036 | |
aa21c004 | 1037 | setup_timer(&priv->command_timer, command_timer_fn, |
61d30020 | 1038 | (unsigned long)priv); |
1df4e8fe | 1039 | |
aa21c004 DW |
1040 | INIT_LIST_HEAD(&priv->cmdfreeq); |
1041 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 1042 | |
aa21c004 DW |
1043 | spin_lock_init(&priv->driver_lock); |
1044 | init_waitqueue_head(&priv->cmd_pending); | |
1df4e8fe | 1045 | |
954ee164 | 1046 | /* Allocate the command buffers */ |
10078321 | 1047 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 DW |
1048 | lbs_pr_err("Out of memory allocating command buffers\n"); |
1049 | ret = -1; | |
1050 | } | |
1df4e8fe | 1051 | |
954ee164 | 1052 | out: |
61d30020 HS |
1053 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1054 | ||
954ee164 DW |
1055 | return ret; |
1056 | } | |
1df4e8fe | 1057 | |
69f9032d | 1058 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 1059 | { |
61d30020 | 1060 | lbs_deb_enter(LBS_DEB_MAIN); |
1df4e8fe | 1061 | |
61d30020 | 1062 | lbs_free_cmd_buffer(priv); |
aa21c004 | 1063 | del_timer(&priv->command_timer); |
aa21c004 DW |
1064 | kfree(priv->networks); |
1065 | priv->networks = NULL; | |
61d30020 HS |
1066 | |
1067 | lbs_deb_leave(LBS_DEB_MAIN); | |
1df4e8fe HS |
1068 | } |
1069 | ||
876c9d3a MT |
1070 | /** |
1071 | * @brief This function adds the card. it will probe the | |
10078321 | 1072 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1073 | * |
1074 | * @param card A pointer to card | |
69f9032d | 1075 | * @return A pointer to struct lbs_private structure |
876c9d3a | 1076 | */ |
69f9032d | 1077 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1078 | { |
1079 | struct net_device *dev = NULL; | |
69f9032d | 1080 | struct lbs_private *priv = NULL; |
876c9d3a | 1081 | |
61d30020 | 1082 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1083 | |
1084 | /* Allocate an Ethernet device and register it */ | |
69f9032d HS |
1085 | dev = alloc_etherdev(sizeof(struct lbs_private)); |
1086 | if (!dev) { | |
9012b28a | 1087 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1088 | goto done; |
876c9d3a | 1089 | } |
64f104e8 | 1090 | priv = dev->priv; |
876c9d3a | 1091 | |
10078321 | 1092 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1093 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1094 | goto err_init_adapter; | |
1095 | } | |
1096 | ||
634b8f49 HS |
1097 | priv->dev = dev; |
1098 | priv->card = card; | |
876c9d3a MT |
1099 | priv->mesh_open = 0; |
1100 | priv->infra_open = 0; | |
876c9d3a | 1101 | |
876c9d3a | 1102 | /* Setup the OS Interface to our functions */ |
8552855f | 1103 | dev->open = lbs_dev_open; |
198cefb9 | 1104 | dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1105 | dev->stop = lbs_eth_stop; |
10078321 HS |
1106 | dev->set_mac_address = lbs_set_mac_address; |
1107 | dev->tx_timeout = lbs_tx_timeout; | |
1108 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1109 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1110 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1111 | #ifdef WIRELESS_EXT |
10078321 | 1112 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1113 | #endif |
876c9d3a | 1114 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1115 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1116 | |
7732ca45 DW |
1117 | SET_NETDEV_DEV(dev, dmdev); |
1118 | ||
965f8bbc | 1119 | priv->rtap_net_dev = NULL; |
954ee164 DW |
1120 | |
1121 | lbs_deb_thread("Starting main thread...\n"); | |
1122 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1123 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1124 | if (IS_ERR(priv->main_thread)) { |
1125 | lbs_deb_thread("Error creating main thread.\n"); | |
e7deced0 | 1126 | goto err_init_adapter; |
954ee164 DW |
1127 | } |
1128 | ||
10078321 HS |
1129 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1130 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1131 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
e226868e | 1132 | INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); |
954ee164 | 1133 | |
23a397ac DW |
1134 | sprintf(priv->mesh_ssid, "mesh"); |
1135 | priv->mesh_ssid_len = 4; | |
1136 | ||
506e9025 DW |
1137 | priv->wol_criteria = 0xffffffff; |
1138 | priv->wol_gpio = 0xff; | |
1139 | ||
32a74b7c HS |
1140 | goto done; |
1141 | ||
954ee164 | 1142 | err_init_adapter: |
10078321 | 1143 | lbs_free_adapter(priv); |
32a74b7c | 1144 | free_netdev(dev); |
6a812157 | 1145 | priv = NULL; |
954ee164 | 1146 | |
32a74b7c | 1147 | done: |
61d30020 | 1148 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
32a74b7c HS |
1149 | return priv; |
1150 | } | |
10078321 | 1151 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1152 | |
954ee164 | 1153 | |
69f9032d | 1154 | int lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 1155 | { |
634b8f49 | 1156 | struct net_device *dev = priv->dev; |
954ee164 | 1157 | union iwreq_data wrqu; |
32a74b7c HS |
1158 | |
1159 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1160 | |
23a397ac | 1161 | lbs_remove_mesh(priv); |
10078321 | 1162 | lbs_remove_rtap(priv); |
876c9d3a | 1163 | |
954ee164 | 1164 | dev = priv->dev; |
2afc0c5d | 1165 | |
954ee164 DW |
1166 | cancel_delayed_work(&priv->scan_work); |
1167 | cancel_delayed_work(&priv->assoc_work); | |
1168 | destroy_workqueue(priv->work_thread); | |
876c9d3a | 1169 | |
aa21c004 DW |
1170 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
1171 | priv->psmode = LBS802_11POWERMODECAM; | |
10078321 | 1172 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); |
876c9d3a MT |
1173 | } |
1174 | ||
954ee164 DW |
1175 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1176 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1177 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1178 | ||
1179 | /* Stop the thread servicing the interrupts */ | |
aa21c004 | 1180 | priv->surpriseremoved = 1; |
954ee164 DW |
1181 | kthread_stop(priv->main_thread); |
1182 | ||
10078321 | 1183 | lbs_free_adapter(priv); |
954ee164 DW |
1184 | |
1185 | priv->dev = NULL; | |
1186 | free_netdev(dev); | |
1187 | ||
1188 | lbs_deb_leave(LBS_DEB_MAIN); | |
1189 | return 0; | |
1190 | } | |
10078321 | 1191 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1192 | |
1193 | ||
69f9032d | 1194 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
1195 | { |
1196 | struct net_device *dev = priv->dev; | |
1197 | int ret = -1; | |
1198 | ||
1199 | lbs_deb_enter(LBS_DEB_MAIN); | |
1200 | ||
1201 | /* poke the firmware */ | |
10078321 | 1202 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1203 | if (ret) |
1204 | goto done; | |
1205 | ||
1206 | /* init 802.11d */ | |
10078321 | 1207 | lbs_init_11d(priv); |
876c9d3a MT |
1208 | |
1209 | if (register_netdev(dev)) { | |
9012b28a | 1210 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1211 | goto done; |
876c9d3a | 1212 | } |
e7deced0 DW |
1213 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1214 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | |
020f3d00 | 1215 | |
020f3d00 | 1216 | lbs_update_channel(priv); |
020f3d00 | 1217 | |
c9d1be36 HS |
1218 | /* 5.0.16p0 is known to NOT support any mesh */ |
1219 | if (priv->fwrelease > 0x05001000) { | |
1220 | /* Enable mesh, if supported, and work out which TLV it uses. | |
1221 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
1222 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
1223 | but we check them in that order because 20.pXX doesn't | |
1224 | give an error -- it just silently fails. */ | |
1225 | ||
1226 | /* 5.110.20.pXX firmware will fail the command if the channel | |
1227 | doesn't match the existing channel. But only if the TLV | |
1228 | is correct. If the channel is wrong, _BOTH_ versions will | |
1229 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
1230 | It's just that 5.110.20.pXX will not have done anything | |
1231 | useful */ | |
1232 | ||
1233 | priv->mesh_tlv = 0x100 + 291; | |
1234 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) { | |
1235 | priv->mesh_tlv = 0x100 + 37; | |
1236 | if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) | |
1237 | priv->mesh_tlv = 0; | |
1238 | } | |
1239 | if (priv->mesh_tlv) { | |
1240 | lbs_add_mesh(priv); | |
1241 | ||
1242 | if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) | |
1243 | lbs_pr_err("cannot register lbs_mesh attribute\n"); | |
1244 | } | |
020f3d00 | 1245 | } |
876c9d3a | 1246 | |
10078321 | 1247 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1248 | |
954ee164 DW |
1249 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1250 | ||
32a74b7c | 1251 | ret = 0; |
876c9d3a | 1252 | |
32a74b7c | 1253 | done: |
954ee164 DW |
1254 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1255 | return ret; | |
1256 | } | |
10078321 | 1257 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1258 | |
1259 | ||
69f9032d | 1260 | int lbs_stop_card(struct lbs_private *priv) |
954ee164 DW |
1261 | { |
1262 | struct net_device *dev = priv->dev; | |
1263 | int ret = -1; | |
1264 | struct cmd_ctrl_node *cmdnode; | |
1265 | unsigned long flags; | |
1266 | ||
1267 | lbs_deb_enter(LBS_DEB_MAIN); | |
1268 | ||
1269 | netif_stop_queue(priv->dev); | |
1270 | netif_carrier_off(priv->dev); | |
1271 | ||
10078321 | 1272 | lbs_debugfs_remove_one(priv); |
10bca0d5 | 1273 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
020f3d00 DW |
1274 | if (priv->mesh_tlv) |
1275 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); | |
954ee164 DW |
1276 | |
1277 | /* Flush pending command nodes */ | |
aa21c004 DW |
1278 | spin_lock_irqsave(&priv->driver_lock, flags); |
1279 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { | |
ae125bf8 | 1280 | cmdnode->result = -ENOENT; |
954ee164 DW |
1281 | cmdnode->cmdwaitqwoken = 1; |
1282 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1283 | } | |
aa21c004 | 1284 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1285 | |
1286 | unregister_netdev(dev); | |
1287 | ||
1288 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
32a74b7c | 1289 | return ret; |
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 | ||
1437 | /** | |
1438 | * @brief This function handles the interrupt. it will change PS | |
1439 | * state if applicable. it will wake up main_thread to handle | |
1440 | * the interrupt event as well. | |
1441 | * | |
1442 | * @param dev A pointer to net_device structure | |
1443 | * @return n/a | |
1444 | */ | |
4f679496 | 1445 | void lbs_interrupt(struct lbs_private *priv) |
876c9d3a | 1446 | { |
ed37b516 | 1447 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1448 | |
4f679496 | 1449 | lbs_deb_thread("lbs_interrupt: intcounter=%d\n", priv->intcounter); |
aa21c004 | 1450 | priv->intcounter++; |
4f679496 | 1451 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1452 | priv->psstate = PS_STATE_AWAKE; |
fe336150 | 1453 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1454 | |
ed37b516 | 1455 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1456 | } |
10078321 | 1457 | EXPORT_SYMBOL_GPL(lbs_interrupt); |
876c9d3a | 1458 | |
4fb910fd | 1459 | static int __init lbs_init_module(void) |
876c9d3a | 1460 | { |
9012b28a | 1461 | lbs_deb_enter(LBS_DEB_MAIN); |
f539f2ef HS |
1462 | memset(&confirm_sleep, 0, sizeof(confirm_sleep)); |
1463 | confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE); | |
1464 | confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep)); | |
1465 | confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); | |
10078321 | 1466 | lbs_debugfs_init(); |
084708b6 HS |
1467 | lbs_deb_leave(LBS_DEB_MAIN); |
1468 | return 0; | |
876c9d3a MT |
1469 | } |
1470 | ||
4fb910fd | 1471 | static void __exit lbs_exit_module(void) |
876c9d3a | 1472 | { |
9012b28a | 1473 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1474 | lbs_debugfs_remove(); |
9012b28a | 1475 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1476 | } |
1477 | ||
965f8bbc LCC |
1478 | /* |
1479 | * rtap interface support fuctions | |
1480 | */ | |
1481 | ||
10078321 | 1482 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc | 1483 | { |
8552855f | 1484 | /* Yes, _stop_ the queue. Because we don't support injection */ |
61d30020 HS |
1485 | lbs_deb_enter(LBS_DEB_MAIN); |
1486 | netif_carrier_off(dev); | |
1487 | netif_stop_queue(dev); | |
1488 | lbs_deb_leave(LBS_DEB_LEAVE); | |
1489 | return 0; | |
965f8bbc LCC |
1490 | } |
1491 | ||
10078321 | 1492 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc | 1493 | { |
61d30020 HS |
1494 | lbs_deb_enter(LBS_DEB_MAIN); |
1495 | lbs_deb_leave(LBS_DEB_MAIN); | |
1496 | return 0; | |
965f8bbc LCC |
1497 | } |
1498 | ||
10078321 | 1499 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc | 1500 | { |
61d30020 HS |
1501 | netif_stop_queue(dev); |
1502 | return NETDEV_TX_BUSY; | |
965f8bbc LCC |
1503 | } |
1504 | ||
10078321 | 1505 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1506 | { |
69f9032d | 1507 | struct lbs_private *priv = dev->priv; |
61d30020 | 1508 | lbs_deb_enter(LBS_DEB_NET); |
d9268fb9 | 1509 | return &priv->stats; |
965f8bbc LCC |
1510 | } |
1511 | ||
1512 | ||
2fd6cfe3 | 1513 | static void lbs_remove_rtap(struct lbs_private *priv) |
965f8bbc | 1514 | { |
61d30020 | 1515 | lbs_deb_enter(LBS_DEB_MAIN); |
965f8bbc LCC |
1516 | if (priv->rtap_net_dev == NULL) |
1517 | return; | |
1518 | unregister_netdev(priv->rtap_net_dev); | |
d9268fb9 | 1519 | free_netdev(priv->rtap_net_dev); |
965f8bbc | 1520 | priv->rtap_net_dev = NULL; |
61d30020 | 1521 | lbs_deb_leave(LBS_DEB_MAIN); |
965f8bbc LCC |
1522 | } |
1523 | ||
2fd6cfe3 | 1524 | static int lbs_add_rtap(struct lbs_private *priv) |
965f8bbc | 1525 | { |
61d30020 | 1526 | int ret = 0; |
d9268fb9 | 1527 | struct net_device *rtap_dev; |
965f8bbc | 1528 | |
61d30020 HS |
1529 | lbs_deb_enter(LBS_DEB_MAIN); |
1530 | if (priv->rtap_net_dev) { | |
1531 | ret = -EPERM; | |
1532 | goto out; | |
1533 | } | |
965f8bbc | 1534 | |
d9268fb9 | 1535 | rtap_dev = alloc_netdev(0, "rtap%d", ether_setup); |
61d30020 HS |
1536 | if (rtap_dev == NULL) { |
1537 | ret = -ENOMEM; | |
1538 | goto out; | |
1539 | } | |
965f8bbc | 1540 | |
121947c6 | 1541 | memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN); |
d9268fb9 DW |
1542 | rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP; |
1543 | rtap_dev->open = lbs_rtap_open; | |
1544 | rtap_dev->stop = lbs_rtap_stop; | |
1545 | rtap_dev->get_stats = lbs_rtap_get_stats; | |
1546 | rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
1547 | rtap_dev->set_multicast_list = lbs_set_multicast_list; | |
1548 | rtap_dev->priv = priv; | |
965f8bbc | 1549 | |
61d30020 HS |
1550 | ret = register_netdev(rtap_dev); |
1551 | if (ret) { | |
d9268fb9 | 1552 | free_netdev(rtap_dev); |
61d30020 | 1553 | goto out; |
965f8bbc | 1554 | } |
d9268fb9 | 1555 | priv->rtap_net_dev = rtap_dev; |
965f8bbc | 1556 | |
61d30020 HS |
1557 | out: |
1558 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1559 | return ret; | |
965f8bbc LCC |
1560 | } |
1561 | ||
04850a47 HS |
1562 | #ifndef CONFIG_IEEE80211 |
1563 | const char *escape_essid(const char *essid, u8 essid_len) | |
1564 | { | |
1565 | static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; | |
1566 | const char *s = essid; | |
1567 | char *d = escaped; | |
1568 | ||
1569 | if (ieee80211_is_empty_essid(essid, essid_len)) { | |
1570 | memcpy(escaped, "<hidden>", sizeof("<hidden>")); | |
1571 | return escaped; | |
1572 | } | |
1573 | ||
1574 | essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE); | |
1575 | while (essid_len--) { | |
1576 | if (*s == '\0') { | |
1577 | *d++ = '\\'; | |
1578 | *d++ = '0'; | |
1579 | s++; | |
1580 | } else { | |
1581 | *d++ = *s++; | |
1582 | } | |
1583 | } | |
1584 | *d = '\0'; | |
1585 | return escaped; | |
1586 | } | |
1587 | #endif | |
965f8bbc | 1588 | |
10078321 HS |
1589 | module_init(lbs_init_module); |
1590 | module_exit(lbs_exit_module); | |
876c9d3a | 1591 | |
084708b6 | 1592 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1593 | MODULE_AUTHOR("Marvell International Ltd."); |
1594 | MODULE_LICENSE("GPL"); |