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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> |
7919b89c | 13 | #include <linux/kfifo.h> |
75bf45a7 | 14 | #include <linux/stddef.h> |
876c9d3a MT |
15 | |
16 | #include <net/iw_handler.h> | |
9012b28a | 17 | #include <net/ieee80211.h> |
876c9d3a MT |
18 | |
19 | #include "host.h" | |
876c9d3a MT |
20 | #include "decl.h" |
21 | #include "dev.h" | |
876c9d3a MT |
22 | #include "wext.h" |
23 | #include "debugfs.h" | |
245bf20f | 24 | #include "scan.h" |
876c9d3a | 25 | #include "assoc.h" |
6e66f03f | 26 | #include "cmd.h" |
876c9d3a | 27 | |
7856a541 | 28 | #define DRIVER_RELEASE_VERSION "323.p0" |
10078321 | 29 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
3ce40232 DW |
30 | #ifdef DEBUG |
31 | "-dbg" | |
32 | #endif | |
33 | ""; | |
34 | ||
a46c6410 HS |
35 | |
36 | /* Module parameters */ | |
10078321 HS |
37 | unsigned int lbs_debug; |
38 | EXPORT_SYMBOL_GPL(lbs_debug); | |
39 | module_param_named(libertas_debug, lbs_debug, int, 0644); | |
a46c6410 HS |
40 | |
41 | ||
f539f2ef HS |
42 | /* This global structure is used to send the confirm_sleep command as |
43 | * fast as possible down to the firmware. */ | |
44 | struct cmd_confirm_sleep confirm_sleep; | |
45 | ||
46 | ||
10078321 HS |
47 | #define LBS_TX_PWR_DEFAULT 20 /*100mW */ |
48 | #define LBS_TX_PWR_US_DEFAULT 20 /*100mW */ | |
49 | #define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
50 | #define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
51 | #define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
876c9d3a MT |
52 | |
53 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
54 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
55 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
10078321 HS |
56 | {1, 2412, LBS_TX_PWR_US_DEFAULT}, |
57 | {2, 2417, LBS_TX_PWR_US_DEFAULT}, | |
58 | {3, 2422, LBS_TX_PWR_US_DEFAULT}, | |
59 | {4, 2427, LBS_TX_PWR_US_DEFAULT}, | |
60 | {5, 2432, LBS_TX_PWR_US_DEFAULT}, | |
61 | {6, 2437, LBS_TX_PWR_US_DEFAULT}, | |
62 | {7, 2442, LBS_TX_PWR_US_DEFAULT}, | |
63 | {8, 2447, LBS_TX_PWR_US_DEFAULT}, | |
64 | {9, 2452, LBS_TX_PWR_US_DEFAULT}, | |
65 | {10, 2457, LBS_TX_PWR_US_DEFAULT}, | |
66 | {11, 2462, LBS_TX_PWR_US_DEFAULT} | |
876c9d3a MT |
67 | }; |
68 | ||
69 | /* band: 'B/G', region: Europe ETSI */ | |
70 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
10078321 HS |
71 | {1, 2412, LBS_TX_PWR_EMEA_DEFAULT}, |
72 | {2, 2417, LBS_TX_PWR_EMEA_DEFAULT}, | |
73 | {3, 2422, LBS_TX_PWR_EMEA_DEFAULT}, | |
74 | {4, 2427, LBS_TX_PWR_EMEA_DEFAULT}, | |
75 | {5, 2432, LBS_TX_PWR_EMEA_DEFAULT}, | |
76 | {6, 2437, LBS_TX_PWR_EMEA_DEFAULT}, | |
77 | {7, 2442, LBS_TX_PWR_EMEA_DEFAULT}, | |
78 | {8, 2447, LBS_TX_PWR_EMEA_DEFAULT}, | |
79 | {9, 2452, LBS_TX_PWR_EMEA_DEFAULT}, | |
80 | {10, 2457, LBS_TX_PWR_EMEA_DEFAULT}, | |
81 | {11, 2462, LBS_TX_PWR_EMEA_DEFAULT}, | |
82 | {12, 2467, LBS_TX_PWR_EMEA_DEFAULT}, | |
83 | {13, 2472, LBS_TX_PWR_EMEA_DEFAULT} | |
876c9d3a MT |
84 | }; |
85 | ||
86 | /* band: 'B/G', region: Spain */ | |
87 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
10078321 HS |
88 | {10, 2457, LBS_TX_PWR_DEFAULT}, |
89 | {11, 2462, LBS_TX_PWR_DEFAULT} | |
876c9d3a MT |
90 | }; |
91 | ||
92 | /* band: 'B/G', region: France */ | |
93 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
10078321 HS |
94 | {10, 2457, LBS_TX_PWR_FR_DEFAULT}, |
95 | {11, 2462, LBS_TX_PWR_FR_DEFAULT}, | |
96 | {12, 2467, LBS_TX_PWR_FR_DEFAULT}, | |
97 | {13, 2472, LBS_TX_PWR_FR_DEFAULT} | |
876c9d3a MT |
98 | }; |
99 | ||
100 | /* band: 'B/G', region: Japan */ | |
101 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
10078321 HS |
102 | {1, 2412, LBS_TX_PWR_JP_DEFAULT}, |
103 | {2, 2417, LBS_TX_PWR_JP_DEFAULT}, | |
104 | {3, 2422, LBS_TX_PWR_JP_DEFAULT}, | |
105 | {4, 2427, LBS_TX_PWR_JP_DEFAULT}, | |
106 | {5, 2432, LBS_TX_PWR_JP_DEFAULT}, | |
107 | {6, 2437, LBS_TX_PWR_JP_DEFAULT}, | |
108 | {7, 2442, LBS_TX_PWR_JP_DEFAULT}, | |
109 | {8, 2447, LBS_TX_PWR_JP_DEFAULT}, | |
110 | {9, 2452, LBS_TX_PWR_JP_DEFAULT}, | |
111 | {10, 2457, LBS_TX_PWR_JP_DEFAULT}, | |
112 | {11, 2462, LBS_TX_PWR_JP_DEFAULT}, | |
113 | {12, 2467, LBS_TX_PWR_JP_DEFAULT}, | |
114 | {13, 2472, LBS_TX_PWR_JP_DEFAULT}, | |
115 | {14, 2484, LBS_TX_PWR_JP_DEFAULT} | |
876c9d3a MT |
116 | }; |
117 | ||
118 | /** | |
119 | * the structure for channel, frequency and power | |
120 | */ | |
121 | struct region_cfp_table { | |
122 | u8 region; | |
123 | struct chan_freq_power *cfp_BG; | |
124 | int cfp_no_BG; | |
125 | }; | |
126 | ||
127 | /** | |
128 | * the structure for the mapping between region and CFP | |
129 | */ | |
130 | static struct region_cfp_table region_cfp_table[] = { | |
131 | {0x10, /*US FCC */ | |
132 | channel_freq_power_US_BG, | |
ff8ac609 | 133 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
134 | } |
135 | , | |
136 | {0x20, /*CANADA IC */ | |
137 | channel_freq_power_US_BG, | |
ff8ac609 | 138 | ARRAY_SIZE(channel_freq_power_US_BG), |
876c9d3a MT |
139 | } |
140 | , | |
141 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
ff8ac609 | 142 | ARRAY_SIZE(channel_freq_power_EU_BG), |
876c9d3a MT |
143 | } |
144 | , | |
145 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
ff8ac609 | 146 | ARRAY_SIZE(channel_freq_power_SPN_BG), |
876c9d3a MT |
147 | } |
148 | , | |
149 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
ff8ac609 | 150 | ARRAY_SIZE(channel_freq_power_FR_BG), |
876c9d3a MT |
151 | } |
152 | , | |
153 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
ff8ac609 | 154 | ARRAY_SIZE(channel_freq_power_JPN_BG), |
876c9d3a MT |
155 | } |
156 | , | |
157 | /*Add new region here */ | |
158 | }; | |
159 | ||
876c9d3a | 160 | /** |
8c512765 | 161 | * the table to keep region code |
876c9d3a | 162 | */ |
10078321 | 163 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
8c512765 | 164 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
876c9d3a MT |
165 | |
166 | /** | |
8c512765 | 167 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 168 | */ |
10078321 | 169 | u8 lbs_bg_rates[MAX_RATES] = |
8c512765 DW |
170 | { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, |
171 | 0x00, 0x00 }; | |
876c9d3a MT |
172 | |
173 | /** | |
8c512765 DW |
174 | * FW rate table. FW refers to rates by their index in this table, not by the |
175 | * rate value itself. Values of 0x00 are | |
176 | * reserved positions. | |
876c9d3a | 177 | */ |
8c512765 DW |
178 | static u8 fw_data_rates[MAX_RATES] = |
179 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
180 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
181 | }; | |
876c9d3a | 182 | |
876c9d3a | 183 | /** |
8c512765 DW |
184 | * @brief use index to get the data rate |
185 | * | |
186 | * @param idx The index of data rate | |
187 | * @return data rate or 0 | |
876c9d3a | 188 | */ |
10078321 | 189 | u32 lbs_fw_index_to_data_rate(u8 idx) |
8c512765 DW |
190 | { |
191 | if (idx >= sizeof(fw_data_rates)) | |
192 | idx = 0; | |
193 | return fw_data_rates[idx]; | |
194 | } | |
195 | ||
196 | /** | |
197 | * @brief use rate to get the index | |
198 | * | |
199 | * @param rate data rate | |
200 | * @return index or 0 | |
201 | */ | |
10078321 | 202 | u8 lbs_data_rate_to_fw_index(u32 rate) |
8c512765 DW |
203 | { |
204 | u8 i; | |
205 | ||
206 | if (!rate) | |
207 | return 0; | |
208 | ||
209 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
210 | if (rate == fw_data_rates[i]) | |
211 | return i; | |
212 | } | |
213 | return 0; | |
214 | } | |
876c9d3a | 215 | |
876c9d3a MT |
216 | /** |
217 | * Attributes exported through sysfs | |
218 | */ | |
876c9d3a MT |
219 | |
220 | /** | |
82fde74b | 221 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 222 | */ |
10078321 | 223 | static ssize_t lbs_anycast_get(struct device *dev, |
b59bb616 DW |
224 | struct device_attribute *attr, char * buf) |
225 | { | |
301eacbf | 226 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 227 | struct cmd_ds_mesh_access mesh_access; |
301eacbf | 228 | int ret; |
876c9d3a MT |
229 | |
230 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
301eacbf DW |
231 | |
232 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access); | |
233 | if (ret) | |
234 | return ret; | |
876c9d3a | 235 | |
82fde74b | 236 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
237 | } |
238 | ||
239 | /** | |
82fde74b | 240 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 241 | */ |
10078321 | 242 | static ssize_t lbs_anycast_set(struct device *dev, |
b59bb616 DW |
243 | struct device_attribute *attr, const char * buf, size_t count) |
244 | { | |
301eacbf | 245 | struct lbs_private *priv = to_net_dev(dev)->priv; |
876c9d3a | 246 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 247 | uint32_t datum; |
301eacbf | 248 | int ret; |
876c9d3a | 249 | |
876c9d3a | 250 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 251 | sscanf(buf, "%x", &datum); |
981f187b DW |
252 | mesh_access.data[0] = cpu_to_le32(datum); |
253 | ||
301eacbf DW |
254 | ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access); |
255 | if (ret) | |
256 | return ret; | |
257 | ||
876c9d3a MT |
258 | return strlen(buf); |
259 | } | |
260 | ||
2fd6cfe3 DW |
261 | static int lbs_add_rtap(struct lbs_private *priv); |
262 | static void lbs_remove_rtap(struct lbs_private *priv); | |
23a397ac DW |
263 | static int lbs_add_mesh(struct lbs_private *priv); |
264 | static void lbs_remove_mesh(struct lbs_private *priv); | |
7e226272 | 265 | |
965f8bbc LCC |
266 | |
267 | /** | |
268 | * Get function for sysfs attribute rtap | |
269 | */ | |
10078321 | 270 | static ssize_t lbs_rtap_get(struct device *dev, |
965f8bbc LCC |
271 | struct device_attribute *attr, char * buf) |
272 | { | |
e7deced0 | 273 | struct lbs_private *priv = to_net_dev(dev)->priv; |
aa21c004 | 274 | return snprintf(buf, 5, "0x%X\n", priv->monitormode); |
965f8bbc LCC |
275 | } |
276 | ||
277 | /** | |
278 | * Set function for sysfs attribute rtap | |
279 | */ | |
10078321 | 280 | static ssize_t lbs_rtap_set(struct device *dev, |
965f8bbc LCC |
281 | struct device_attribute *attr, const char * buf, size_t count) |
282 | { | |
283 | int monitor_mode; | |
e7deced0 | 284 | struct lbs_private *priv = to_net_dev(dev)->priv; |
965f8bbc LCC |
285 | |
286 | sscanf(buf, "%x", &monitor_mode); | |
c2b310a7 HS |
287 | if (monitor_mode) { |
288 | if (priv->monitormode == monitor_mode) | |
965f8bbc | 289 | return strlen(buf); |
c2b310a7 | 290 | if (!priv->monitormode) { |
8552855f DW |
291 | if (priv->infra_open || priv->mesh_open) |
292 | return -EBUSY; | |
aa21c004 | 293 | if (priv->mode == IW_MODE_INFRA) |
10078321 | 294 | lbs_send_deauthentication(priv); |
aa21c004 | 295 | else if (priv->mode == IW_MODE_ADHOC) |
10078321 HS |
296 | lbs_stop_adhoc_network(priv); |
297 | lbs_add_rtap(priv); | |
965f8bbc | 298 | } |
aa21c004 | 299 | priv->monitormode = monitor_mode; |
965f8bbc LCC |
300 | } |
301 | ||
302 | else { | |
c2b310a7 | 303 | if (!priv->monitormode) |
965f8bbc | 304 | return strlen(buf); |
c2b310a7 | 305 | priv->monitormode = 0; |
10078321 | 306 | lbs_remove_rtap(priv); |
f86a93e1 | 307 | |
aa21c004 DW |
308 | if (priv->currenttxskb) { |
309 | dev_kfree_skb_any(priv->currenttxskb); | |
310 | priv->currenttxskb = NULL; | |
f86a93e1 DW |
311 | } |
312 | ||
313 | /* Wake queues, command thread, etc. */ | |
314 | lbs_host_to_card_done(priv); | |
965f8bbc LCC |
315 | } |
316 | ||
10078321 | 317 | lbs_prepare_and_send_command(priv, |
965f8bbc | 318 | CMD_802_11_MONITOR_MODE, CMD_ACT_SET, |
aa21c004 | 319 | CMD_OPTION_WAITFORRSP, 0, &priv->monitormode); |
965f8bbc LCC |
320 | return strlen(buf); |
321 | } | |
322 | ||
323 | /** | |
23a397ac DW |
324 | * lbs_rtap attribute to be exported per ethX interface |
325 | * through sysfs (/sys/class/net/ethX/lbs_rtap) | |
965f8bbc | 326 | */ |
23a397ac DW |
327 | static DEVICE_ATTR(lbs_rtap, 0644, lbs_rtap_get, lbs_rtap_set ); |
328 | ||
329 | /** | |
330 | * Get function for sysfs attribute mesh | |
331 | */ | |
332 | static ssize_t lbs_mesh_get(struct device *dev, | |
333 | struct device_attribute *attr, char * buf) | |
334 | { | |
335 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
336 | return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev); | |
337 | } | |
338 | ||
339 | /** | |
340 | * Set function for sysfs attribute mesh | |
341 | */ | |
342 | static ssize_t lbs_mesh_set(struct device *dev, | |
343 | struct device_attribute *attr, const char * buf, size_t count) | |
344 | { | |
345 | struct lbs_private *priv = to_net_dev(dev)->priv; | |
346 | int enable; | |
edaea5ce | 347 | int ret, action = CMD_ACT_MESH_CONFIG_STOP; |
23a397ac DW |
348 | |
349 | sscanf(buf, "%x", &enable); | |
350 | enable = !!enable; | |
351 | if (enable == !!priv->mesh_dev) | |
352 | return count; | |
edaea5ce JC |
353 | if (enable) |
354 | action = CMD_ACT_MESH_CONFIG_START; | |
355 | ret = lbs_mesh_config(priv, action, priv->curbssparams.channel); | |
23a397ac DW |
356 | if (ret) |
357 | return ret; | |
7e226272 | 358 | |
23a397ac DW |
359 | if (enable) |
360 | lbs_add_mesh(priv); | |
361 | else | |
362 | lbs_remove_mesh(priv); | |
363 | ||
364 | return count; | |
365 | } | |
366 | ||
367 | /** | |
368 | * lbs_mesh attribute to be exported per ethX interface | |
369 | * through sysfs (/sys/class/net/ethX/lbs_mesh) | |
370 | */ | |
371 | static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set); | |
965f8bbc | 372 | |
876c9d3a | 373 | /** |
82fde74b LC |
374 | * anycast_mask attribute to be exported per mshX interface |
375 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 376 | */ |
10078321 | 377 | static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set); |
876c9d3a | 378 | |
10078321 | 379 | static struct attribute *lbs_mesh_sysfs_entries[] = { |
a9f38d02 | 380 | &dev_attr_anycast_mask.attr, |
a9f38d02 LCC |
381 | NULL, |
382 | }; | |
383 | ||
10078321 HS |
384 | static struct attribute_group lbs_mesh_attr_group = { |
385 | .attrs = lbs_mesh_sysfs_entries, | |
a9f38d02 LCC |
386 | }; |
387 | ||
876c9d3a | 388 | /** |
8552855f | 389 | * @brief This function opens the ethX or mshX interface |
876c9d3a MT |
390 | * |
391 | * @param dev A pointer to net_device structure | |
8552855f | 392 | * @return 0 or -EBUSY if monitor mode active |
876c9d3a | 393 | */ |
10078321 | 394 | static int lbs_dev_open(struct net_device *dev) |
876c9d3a | 395 | { |
8552855f DW |
396 | struct lbs_private *priv = (struct lbs_private *) dev->priv ; |
397 | int ret = 0; | |
876c9d3a | 398 | |
61d30020 HS |
399 | lbs_deb_enter(LBS_DEB_NET); |
400 | ||
8552855f | 401 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 402 | |
c2b310a7 | 403 | if (priv->monitormode) { |
8552855f DW |
404 | ret = -EBUSY; |
405 | goto out; | |
406 | } | |
01d77d8d | 407 | |
8552855f DW |
408 | if (dev == priv->mesh_dev) { |
409 | priv->mesh_open = 1; | |
410 | priv->mesh_connect_status = LBS_CONNECTED; | |
411 | netif_carrier_on(dev); | |
412 | } else { | |
413 | priv->infra_open = 1; | |
7e226272 | 414 | |
8552855f DW |
415 | if (priv->connect_status == LBS_CONNECTED) |
416 | netif_carrier_on(dev); | |
01d77d8d | 417 | else |
8552855f | 418 | netif_carrier_off(dev); |
51d84f50 | 419 | } |
876c9d3a | 420 | |
8552855f DW |
421 | if (!priv->tx_pending_len) |
422 | netif_wake_queue(dev); | |
423 | out: | |
876c9d3a | 424 | |
8552855f | 425 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 426 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
8552855f | 427 | return ret; |
876c9d3a MT |
428 | } |
429 | ||
430 | /** | |
431 | * @brief This function closes the mshX interface | |
432 | * | |
433 | * @param dev A pointer to net_device structure | |
434 | * @return 0 | |
435 | */ | |
8552855f | 436 | static int lbs_mesh_stop(struct net_device *dev) |
876c9d3a | 437 | { |
69f9032d | 438 | struct lbs_private *priv = (struct lbs_private *) (dev->priv); |
876c9d3a | 439 | |
61d30020 | 440 | lbs_deb_enter(LBS_DEB_MESH); |
8552855f DW |
441 | spin_lock_irq(&priv->driver_lock); |
442 | ||
876c9d3a | 443 | priv->mesh_open = 0; |
8552855f DW |
444 | priv->mesh_connect_status = LBS_DISCONNECTED; |
445 | ||
446 | netif_stop_queue(dev); | |
447 | netif_carrier_off(dev); | |
7e226272 | 448 | |
8552855f | 449 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 450 | |
75bf45a7 DW |
451 | schedule_work(&priv->mcast_work); |
452 | ||
61d30020 | 453 | lbs_deb_leave(LBS_DEB_MESH); |
8552855f | 454 | return 0; |
876c9d3a MT |
455 | } |
456 | ||
457 | /** | |
458 | * @brief This function closes the ethX interface | |
459 | * | |
460 | * @param dev A pointer to net_device structure | |
461 | * @return 0 | |
462 | */ | |
8552855f | 463 | static int lbs_eth_stop(struct net_device *dev) |
78523daa | 464 | { |
69f9032d | 465 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 466 | |
61d30020 | 467 | lbs_deb_enter(LBS_DEB_NET); |
8552855f | 468 | |
61d30020 | 469 | spin_lock_irq(&priv->driver_lock); |
876c9d3a | 470 | priv->infra_open = 0; |
8552855f | 471 | netif_stop_queue(dev); |
8552855f | 472 | spin_unlock_irq(&priv->driver_lock); |
61d30020 | 473 | |
75bf45a7 DW |
474 | schedule_work(&priv->mcast_work); |
475 | ||
61d30020 | 476 | lbs_deb_leave(LBS_DEB_NET); |
8552855f | 477 | return 0; |
876c9d3a MT |
478 | } |
479 | ||
10078321 | 480 | static void lbs_tx_timeout(struct net_device *dev) |
876c9d3a | 481 | { |
69f9032d | 482 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 483 | |
9012b28a | 484 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 485 | |
9012b28a | 486 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 487 | |
876c9d3a MT |
488 | dev->trans_start = jiffies; |
489 | ||
7919b89c HS |
490 | if (priv->currenttxskb) |
491 | lbs_send_tx_feedback(priv, 0); | |
492 | ||
a63b22bb DW |
493 | /* XX: Shouldn't we also call into the hw-specific driver |
494 | to kick it somehow? */ | |
495 | lbs_host_to_card_done(priv); | |
876c9d3a | 496 | |
354eca98 DW |
497 | /* More often than not, this actually happens because the |
498 | firmware has crapped itself -- rather than just a very | |
499 | busy medium. So send a harmless command, and if/when | |
500 | _that_ times out, we'll kick it in the head. */ | |
501 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
502 | 0, 0, NULL); | |
503 | ||
9012b28a | 504 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
505 | } |
506 | ||
e775ed7c DW |
507 | void lbs_host_to_card_done(struct lbs_private *priv) |
508 | { | |
a63b22bb DW |
509 | unsigned long flags; |
510 | ||
61d30020 HS |
511 | lbs_deb_enter(LBS_DEB_THREAD); |
512 | ||
a63b22bb | 513 | spin_lock_irqsave(&priv->driver_lock, flags); |
e775ed7c DW |
514 | |
515 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
516 | ||
517 | /* Wake main thread if commands are pending */ | |
a27b9f96 | 518 | if (!priv->cur_cmd || priv->tx_pending_len > 0) |
e775ed7c DW |
519 | wake_up_interruptible(&priv->waitq); |
520 | ||
a63b22bb | 521 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 522 | lbs_deb_leave(LBS_DEB_THREAD); |
e775ed7c DW |
523 | } |
524 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); | |
525 | ||
876c9d3a MT |
526 | /** |
527 | * @brief This function returns the network statistics | |
528 | * | |
69f9032d | 529 | * @param dev A pointer to struct lbs_private structure |
876c9d3a MT |
530 | * @return A pointer to net_device_stats structure |
531 | */ | |
10078321 | 532 | static struct net_device_stats *lbs_get_stats(struct net_device *dev) |
876c9d3a | 533 | { |
69f9032d | 534 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 535 | |
61d30020 | 536 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
537 | return &priv->stats; |
538 | } | |
539 | ||
10078321 | 540 | static int lbs_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
541 | { |
542 | int ret = 0; | |
69f9032d | 543 | struct lbs_private *priv = (struct lbs_private *) dev->priv; |
876c9d3a | 544 | struct sockaddr *phwaddr = addr; |
2af9f039 | 545 | struct cmd_ds_802_11_mac_address cmd; |
876c9d3a | 546 | |
9012b28a | 547 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 548 | |
0a0d08ac | 549 | /* In case it was called from the mesh device */ |
2af9f039 | 550 | dev = priv->dev; |
0a0d08ac | 551 | |
2af9f039 HS |
552 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
553 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
554 | memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN); | |
876c9d3a | 555 | |
2af9f039 | 556 | ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd); |
876c9d3a | 557 | if (ret) { |
9012b28a | 558 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
559 | goto done; |
560 | } | |
561 | ||
2af9f039 HS |
562 | memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); |
563 | memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN); | |
78523daa | 564 | if (priv->mesh_dev) |
2af9f039 | 565 | memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN); |
876c9d3a MT |
566 | |
567 | done: | |
9012b28a | 568 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
569 | return ret; |
570 | } | |
571 | ||
75bf45a7 DW |
572 | |
573 | static inline int mac_in_list(unsigned char *list, int list_len, | |
574 | unsigned char *mac) | |
876c9d3a | 575 | { |
75bf45a7 DW |
576 | while (list_len) { |
577 | if (!memcmp(list, mac, ETH_ALEN)) | |
578 | return 1; | |
579 | list += ETH_ALEN; | |
580 | list_len--; | |
581 | } | |
582 | return 0; | |
583 | } | |
584 | ||
876c9d3a | 585 | |
75bf45a7 DW |
586 | static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd, |
587 | struct net_device *dev, int nr_addrs) | |
588 | { | |
589 | int i = nr_addrs; | |
590 | struct dev_mc_list *mc_list; | |
591 | DECLARE_MAC_BUF(mac); | |
592 | ||
593 | if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST)) | |
594 | return nr_addrs; | |
595 | ||
596 | netif_tx_lock_bh(dev); | |
e308a5d8 | 597 | netif_addr_lock(dev); |
75bf45a7 DW |
598 | for (mc_list = dev->mc_list; mc_list; mc_list = mc_list->next) { |
599 | if (mac_in_list(cmd->maclist, nr_addrs, mc_list->dmi_addr)) { | |
600 | lbs_deb_net("mcast address %s:%s skipped\n", dev->name, | |
601 | print_mac(mac, mc_list->dmi_addr)); | |
602 | continue; | |
603 | } | |
876c9d3a | 604 | |
75bf45a7 DW |
605 | if (i == MRVDRV_MAX_MULTICAST_LIST_SIZE) |
606 | break; | |
607 | memcpy(&cmd->maclist[6*i], mc_list->dmi_addr, ETH_ALEN); | |
608 | lbs_deb_net("mcast address %s:%s added to filter\n", dev->name, | |
609 | print_mac(mac, mc_list->dmi_addr)); | |
610 | i++; | |
876c9d3a | 611 | } |
e308a5d8 | 612 | netif_addr_unlock(dev); |
75bf45a7 DW |
613 | netif_tx_unlock_bh(dev); |
614 | if (mc_list) | |
615 | return -EOVERFLOW; | |
616 | ||
876c9d3a | 617 | return i; |
876c9d3a MT |
618 | } |
619 | ||
75bf45a7 | 620 | static void lbs_set_mcast_worker(struct work_struct *work) |
876c9d3a | 621 | { |
75bf45a7 DW |
622 | struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work); |
623 | struct cmd_ds_mac_multicast_adr mcast_cmd; | |
624 | int dev_flags; | |
625 | int nr_addrs; | |
626 | int old_mac_control = priv->mac_control; | |
876c9d3a | 627 | |
9012b28a | 628 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 629 | |
75bf45a7 DW |
630 | dev_flags = priv->dev->flags; |
631 | if (priv->mesh_dev) | |
632 | dev_flags |= priv->mesh_dev->flags; | |
633 | ||
634 | if (dev_flags & IFF_PROMISC) { | |
635 | priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE; | |
636 | priv->mac_control &= ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | | |
637 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
638 | goto out_set_mac_control; | |
639 | } else if (dev_flags & IFF_ALLMULTI) { | |
640 | do_allmulti: | |
641 | priv->mac_control |= CMD_ACT_MAC_ALL_MULTICAST_ENABLE; | |
642 | priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE | | |
643 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
644 | goto out_set_mac_control; | |
876c9d3a MT |
645 | } |
646 | ||
75bf45a7 DW |
647 | /* Once for priv->dev, again for priv->mesh_dev if it exists */ |
648 | nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->dev, 0); | |
649 | if (nr_addrs >= 0 && priv->mesh_dev) | |
650 | nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->mesh_dev, nr_addrs); | |
651 | if (nr_addrs < 0) | |
652 | goto do_allmulti; | |
653 | ||
654 | if (nr_addrs) { | |
655 | int size = offsetof(struct cmd_ds_mac_multicast_adr, | |
656 | maclist[6*nr_addrs]); | |
657 | ||
658 | mcast_cmd.action = cpu_to_le16(CMD_ACT_SET); | |
659 | mcast_cmd.hdr.size = cpu_to_le16(size); | |
660 | mcast_cmd.nr_of_adrs = cpu_to_le16(nr_addrs); | |
661 | ||
662 | lbs_cmd_async(priv, CMD_MAC_MULTICAST_ADR, &mcast_cmd.hdr, size); | |
663 | ||
664 | priv->mac_control |= CMD_ACT_MAC_MULTICAST_ENABLE; | |
665 | } else | |
666 | priv->mac_control &= ~CMD_ACT_MAC_MULTICAST_ENABLE; | |
667 | ||
668 | priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE | | |
669 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE); | |
670 | out_set_mac_control: | |
d9e9778c HS |
671 | if (priv->mac_control != old_mac_control) |
672 | lbs_set_mac_control(priv); | |
876c9d3a | 673 | |
9012b28a | 674 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
675 | } |
676 | ||
75bf45a7 DW |
677 | static void lbs_set_multicast_list(struct net_device *dev) |
678 | { | |
679 | struct lbs_private *priv = dev->priv; | |
680 | ||
681 | schedule_work(&priv->mcast_work); | |
682 | } | |
683 | ||
876c9d3a | 684 | /** |
10078321 | 685 | * @brief This function handles the major jobs in the LBS driver. |
9012b28a HS |
686 | * It handles all events generated by firmware, RX data received |
687 | * from firmware and TX data sent from kernel. | |
876c9d3a | 688 | * |
10078321 | 689 | * @param data A pointer to lbs_thread structure |
876c9d3a MT |
690 | * @return 0 |
691 | */ | |
10078321 | 692 | static int lbs_thread(void *data) |
876c9d3a | 693 | { |
fe336150 | 694 | struct net_device *dev = data; |
69f9032d | 695 | struct lbs_private *priv = dev->priv; |
876c9d3a | 696 | wait_queue_t wait; |
876c9d3a | 697 | |
9012b28a | 698 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 699 | |
876c9d3a MT |
700 | init_waitqueue_entry(&wait, current); |
701 | ||
702 | for (;;) { | |
b8d40bc9 | 703 | int shouldsleep; |
7919b89c | 704 | u8 resp_idx; |
b8d40bc9 | 705 | |
7919b89c HS |
706 | lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n", |
707 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a | 708 | |
fe336150 | 709 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a | 710 | set_current_state(TASK_INTERRUPTIBLE); |
aa21c004 | 711 | spin_lock_irq(&priv->driver_lock); |
59f3e4bf | 712 | |
d9f88705 | 713 | if (kthread_should_stop()) |
b8d40bc9 | 714 | shouldsleep = 0; /* Bye */ |
d9f88705 DW |
715 | else if (priv->surpriseremoved) |
716 | shouldsleep = 1; /* We need to wait until we're _told_ to die */ | |
b8d40bc9 DW |
717 | else if (priv->psstate == PS_STATE_SLEEP) |
718 | shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */ | |
2a345099 DW |
719 | else if (priv->cmd_timed_out) |
720 | shouldsleep = 0; /* Command timed out. Recover */ | |
b15152a4 DW |
721 | else if (!priv->fw_ready) |
722 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ | |
b8d40bc9 DW |
723 | else if (priv->dnld_sent) |
724 | shouldsleep = 1; /* Something is en route to the device already */ | |
2eb188a1 DW |
725 | else if (priv->tx_pending_len > 0) |
726 | shouldsleep = 0; /* We've a packet to send */ | |
ef707b83 HS |
727 | else if (priv->resp_len[priv->resp_idx]) |
728 | shouldsleep = 0; /* We have a command response */ | |
b8d40bc9 DW |
729 | else if (priv->cur_cmd) |
730 | shouldsleep = 1; /* Can't send a command; one already running */ | |
731 | else if (!list_empty(&priv->cmdpendingq)) | |
732 | shouldsleep = 0; /* We have a command to send */ | |
7919b89c HS |
733 | else if (__kfifo_len(priv->event_fifo)) |
734 | shouldsleep = 0; /* We have an event to process */ | |
b8d40bc9 DW |
735 | else |
736 | shouldsleep = 1; /* No command */ | |
737 | ||
738 | if (shouldsleep) { | |
7919b89c | 739 | lbs_deb_thread("sleeping, connect_status %d, " |
5f505d90 | 740 | "psmode %d, psstate %d\n", |
7919b89c HS |
741 | priv->connect_status, |
742 | priv->psmode, priv->psstate); | |
aa21c004 | 743 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a MT |
744 | schedule(); |
745 | } else | |
aa21c004 | 746 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 747 | |
7919b89c HS |
748 | lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n", |
749 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a MT |
750 | |
751 | set_current_state(TASK_RUNNING); | |
fe336150 | 752 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a | 753 | |
7919b89c HS |
754 | lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n", |
755 | priv->currenttxskb, priv->dnld_sent); | |
876c9d3a | 756 | |
d9f88705 | 757 | if (kthread_should_stop()) { |
7919b89c | 758 | lbs_deb_thread("break from main thread\n"); |
876c9d3a MT |
759 | break; |
760 | } | |
761 | ||
d9f88705 DW |
762 | if (priv->surpriseremoved) { |
763 | lbs_deb_thread("adapter removed; waiting to die...\n"); | |
764 | continue; | |
765 | } | |
876c9d3a | 766 | |
7919b89c HS |
767 | lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n", |
768 | priv->currenttxskb, priv->dnld_sent); | |
59f3e4bf | 769 | |
7919b89c | 770 | /* Process any pending command response */ |
a01f5450 | 771 | spin_lock_irq(&priv->driver_lock); |
7919b89c HS |
772 | resp_idx = priv->resp_idx; |
773 | if (priv->resp_len[resp_idx]) { | |
aa21c004 | 774 | spin_unlock_irq(&priv->driver_lock); |
7919b89c HS |
775 | lbs_process_command_response(priv, |
776 | priv->resp_buf[resp_idx], | |
777 | priv->resp_len[resp_idx]); | |
aa21c004 | 778 | spin_lock_irq(&priv->driver_lock); |
7919b89c | 779 | priv->resp_len[resp_idx] = 0; |
876c9d3a | 780 | } |
7919b89c | 781 | spin_unlock_irq(&priv->driver_lock); |
876c9d3a | 782 | |
7919b89c | 783 | /* command timeout stuff */ |
2a345099 DW |
784 | if (priv->cmd_timed_out && priv->cur_cmd) { |
785 | struct cmd_ctrl_node *cmdnode = priv->cur_cmd; | |
786 | ||
57962f0b HS |
787 | if (++priv->nr_retries > 3) { |
788 | lbs_pr_info("Excessive timeouts submitting " | |
789 | "command 0x%04x\n", | |
790 | le16_to_cpu(cmdnode->cmdbuf->command)); | |
2a345099 DW |
791 | lbs_complete_command(priv, cmdnode, -ETIMEDOUT); |
792 | priv->nr_retries = 0; | |
b43441a4 | 793 | if (priv->reset_card) |
edf5dabf | 794 | priv->reset_card(priv); |
2a345099 DW |
795 | } else { |
796 | priv->cur_cmd = NULL; | |
02969d29 | 797 | priv->dnld_sent = DNLD_RES_RECEIVED; |
57962f0b HS |
798 | lbs_pr_info("requeueing command 0x%04x due " |
799 | "to timeout (#%d)\n", | |
800 | le16_to_cpu(cmdnode->cmdbuf->command), | |
801 | priv->nr_retries); | |
2a345099 DW |
802 | |
803 | /* Stick it back at the _top_ of the pending queue | |
804 | for immediate resubmission */ | |
805 | list_add(&cmdnode->list, &priv->cmdpendingq); | |
806 | } | |
807 | } | |
808 | priv->cmd_timed_out = 0; | |
809 | ||
7919b89c HS |
810 | /* Process hardware events, e.g. card removed, link lost */ |
811 | spin_lock_irq(&priv->driver_lock); | |
812 | while (__kfifo_len(priv->event_fifo)) { | |
813 | u32 event; | |
876c9d3a | 814 | |
7919b89c HS |
815 | __kfifo_get(priv->event_fifo, (unsigned char *) &event, |
816 | sizeof(event)); | |
aa21c004 | 817 | spin_unlock_irq(&priv->driver_lock); |
7919b89c HS |
818 | lbs_process_event(priv, event); |
819 | spin_lock_irq(&priv->driver_lock); | |
820 | } | |
821 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a | 822 | |
b15152a4 DW |
823 | if (!priv->fw_ready) |
824 | continue; | |
825 | ||
876c9d3a | 826 | /* Check if we need to confirm Sleep Request received previously */ |
aa21c004 DW |
827 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
828 | !priv->dnld_sent && !priv->cur_cmd) { | |
829 | if (priv->connect_status == LBS_CONNECTED) { | |
7919b89c HS |
830 | lbs_deb_thread("pre-sleep, currenttxskb %p, " |
831 | "dnld_sent %d, cur_cmd %p\n", | |
832 | priv->currenttxskb, priv->dnld_sent, | |
833 | priv->cur_cmd); | |
59f3e4bf | 834 | |
d4ff0ef6 | 835 | lbs_ps_confirm_sleep(priv); |
59f3e4bf DW |
836 | } else { |
837 | /* workaround for firmware sending | |
838 | * deauth/linkloss event immediately | |
839 | * after sleep request; remove this | |
840 | * after firmware fixes it | |
841 | */ | |
aa21c004 | 842 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
843 | lbs_pr_alert("ignore PS_SleepConfirm in " |
844 | "non-connected state\n"); | |
876c9d3a MT |
845 | } |
846 | } | |
847 | ||
848 | /* The PS state is changed during processing of Sleep Request | |
849 | * event above | |
850 | */ | |
aa21c004 DW |
851 | if ((priv->psstate == PS_STATE_SLEEP) || |
852 | (priv->psstate == PS_STATE_PRE_SLEEP)) | |
876c9d3a MT |
853 | continue; |
854 | ||
855 | /* Execute the next command */ | |
aa21c004 | 856 | if (!priv->dnld_sent && !priv->cur_cmd) |
10078321 | 857 | lbs_execute_next_command(priv); |
876c9d3a MT |
858 | |
859 | /* Wake-up command waiters which can't sleep in | |
10078321 | 860 | * lbs_prepare_and_send_command |
876c9d3a | 861 | */ |
aa21c004 DW |
862 | if (!list_empty(&priv->cmdpendingq)) |
863 | wake_up_all(&priv->cmd_pending); | |
2eb188a1 DW |
864 | |
865 | spin_lock_irq(&priv->driver_lock); | |
866 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { | |
867 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, | |
868 | priv->tx_pending_buf, | |
869 | priv->tx_pending_len); | |
870 | if (ret) { | |
871 | lbs_deb_tx("host_to_card failed %d\n", ret); | |
872 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
873 | } | |
874 | priv->tx_pending_len = 0; | |
875 | if (!priv->currenttxskb) { | |
876 | /* We can wake the queues immediately if we aren't | |
877 | waiting for TX feedback */ | |
878 | if (priv->connect_status == LBS_CONNECTED) | |
879 | netif_wake_queue(priv->dev); | |
880 | if (priv->mesh_dev && | |
881 | priv->mesh_connect_status == LBS_CONNECTED) | |
882 | netif_wake_queue(priv->mesh_dev); | |
883 | } | |
884 | } | |
885 | spin_unlock_irq(&priv->driver_lock); | |
876c9d3a MT |
886 | } |
887 | ||
aa21c004 DW |
888 | del_timer(&priv->command_timer); |
889 | wake_up_all(&priv->cmd_pending); | |
876c9d3a | 890 | |
9012b28a | 891 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
892 | return 0; |
893 | } | |
894 | ||
ab25ecae DW |
895 | static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy, |
896 | struct cmd_header *cmd) | |
897 | { | |
61d30020 | 898 | lbs_deb_enter(LBS_DEB_FW); |
ab25ecae DW |
899 | |
900 | netif_device_detach(priv->dev); | |
901 | if (priv->mesh_dev) | |
902 | netif_device_detach(priv->mesh_dev); | |
903 | ||
904 | priv->fw_ready = 0; | |
61d30020 | 905 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
906 | return 0; |
907 | } | |
908 | ||
ab25ecae DW |
909 | int lbs_suspend(struct lbs_private *priv) |
910 | { | |
911 | struct cmd_header cmd; | |
912 | int ret; | |
913 | ||
61d30020 HS |
914 | lbs_deb_enter(LBS_DEB_FW); |
915 | ||
506e9025 DW |
916 | if (priv->wol_criteria == 0xffffffff) { |
917 | lbs_pr_info("Suspend attempt without configuring wake params!\n"); | |
918 | return -EINVAL; | |
919 | } | |
920 | ||
ab25ecae | 921 | memset(&cmd, 0, sizeof(cmd)); |
7e226272 | 922 | |
ab25ecae DW |
923 | ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_ACTIVATE, &cmd, |
924 | sizeof(cmd), lbs_suspend_callback, 0); | |
925 | if (ret) | |
926 | lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret); | |
927 | ||
61d30020 | 928 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
ab25ecae DW |
929 | return ret; |
930 | } | |
931 | EXPORT_SYMBOL_GPL(lbs_suspend); | |
932 | ||
a63e5cb2 | 933 | void lbs_resume(struct lbs_private *priv) |
ab25ecae | 934 | { |
61d30020 HS |
935 | lbs_deb_enter(LBS_DEB_FW); |
936 | ||
ab25ecae DW |
937 | priv->fw_ready = 1; |
938 | ||
939 | /* Firmware doesn't seem to give us RX packets any more | |
940 | until we send it some command. Might as well update */ | |
941 | lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, | |
942 | 0, 0, NULL); | |
943 | ||
944 | netif_device_attach(priv->dev); | |
945 | if (priv->mesh_dev) | |
946 | netif_device_attach(priv->mesh_dev); | |
947 | ||
61d30020 | 948 | lbs_deb_leave(LBS_DEB_FW); |
ab25ecae DW |
949 | } |
950 | EXPORT_SYMBOL_GPL(lbs_resume); | |
951 | ||
1df4e8fe HS |
952 | /** |
953 | * @brief This function downloads firmware image, gets | |
954 | * HW spec from firmware and set basic parameters to | |
955 | * firmware. | |
956 | * | |
69f9032d | 957 | * @param priv A pointer to struct lbs_private structure |
1df4e8fe HS |
958 | * @return 0 or -1 |
959 | */ | |
69f9032d | 960 | static int lbs_setup_firmware(struct lbs_private *priv) |
1df4e8fe HS |
961 | { |
962 | int ret = -1; | |
1df4e8fe HS |
963 | |
964 | lbs_deb_enter(LBS_DEB_FW); | |
965 | ||
1df4e8fe HS |
966 | /* |
967 | * Read MAC address from HW | |
968 | */ | |
aa21c004 | 969 | memset(priv->current_addr, 0xff, ETH_ALEN); |
6e66f03f | 970 | ret = lbs_update_hw_spec(priv); |
ef85ad54 | 971 | if (ret) |
1df4e8fe | 972 | goto done; |
1df4e8fe | 973 | |
d9e9778c | 974 | lbs_set_mac_control(priv); |
1df4e8fe HS |
975 | done: |
976 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); | |
977 | return ret; | |
978 | } | |
979 | ||
1df4e8fe HS |
980 | /** |
981 | * This function handles the timeout of command sending. | |
982 | * It will re-send the same command again. | |
983 | */ | |
984 | static void command_timer_fn(unsigned long data) | |
985 | { | |
69f9032d | 986 | struct lbs_private *priv = (struct lbs_private *)data; |
1df4e8fe HS |
987 | unsigned long flags; |
988 | ||
61d30020 | 989 | lbs_deb_enter(LBS_DEB_CMD); |
2a345099 | 990 | spin_lock_irqsave(&priv->driver_lock, flags); |
1df4e8fe | 991 | |
57962f0b | 992 | if (!priv->cur_cmd) |
2a345099 | 993 | goto out; |
1df4e8fe | 994 | |
57962f0b HS |
995 | lbs_pr_info("command 0x%04x timed out\n", |
996 | le16_to_cpu(priv->cur_cmd->cmdbuf->command)); | |
1df4e8fe | 997 | |
2a345099 | 998 | priv->cmd_timed_out = 1; |
1df4e8fe | 999 | wake_up_interruptible(&priv->waitq); |
61d30020 | 1000 | out: |
2a345099 | 1001 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
61d30020 | 1002 | lbs_deb_leave(LBS_DEB_CMD); |
1df4e8fe HS |
1003 | } |
1004 | ||
e226868e HS |
1005 | static void lbs_sync_channel_worker(struct work_struct *work) |
1006 | { | |
1007 | struct lbs_private *priv = container_of(work, struct lbs_private, | |
1008 | sync_channel); | |
1009 | ||
1010 | lbs_deb_enter(LBS_DEB_MAIN); | |
1011 | if (lbs_update_channel(priv)) | |
1012 | lbs_pr_info("Channel synchronization failed."); | |
1013 | lbs_deb_leave(LBS_DEB_MAIN); | |
1014 | } | |
1015 | ||
1016 | ||
69f9032d | 1017 | static int lbs_init_adapter(struct lbs_private *priv) |
ac558ca2 | 1018 | { |
1df4e8fe | 1019 | size_t bufsize; |
954ee164 | 1020 | int i, ret = 0; |
1df4e8fe | 1021 | |
61d30020 HS |
1022 | lbs_deb_enter(LBS_DEB_MAIN); |
1023 | ||
1df4e8fe HS |
1024 | /* Allocate buffer to store the BSSID list */ |
1025 | bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor); | |
aa21c004 DW |
1026 | priv->networks = kzalloc(bufsize, GFP_KERNEL); |
1027 | if (!priv->networks) { | |
1df4e8fe | 1028 | lbs_pr_err("Out of memory allocating beacons\n"); |
954ee164 DW |
1029 | ret = -1; |
1030 | goto out; | |
1df4e8fe HS |
1031 | } |
1032 | ||
954ee164 | 1033 | /* Initialize scan result lists */ |
aa21c004 DW |
1034 | INIT_LIST_HEAD(&priv->network_free_list); |
1035 | INIT_LIST_HEAD(&priv->network_list); | |
954ee164 | 1036 | for (i = 0; i < MAX_NETWORK_COUNT; i++) { |
aa21c004 DW |
1037 | list_add_tail(&priv->networks[i].list, |
1038 | &priv->network_free_list); | |
954ee164 | 1039 | } |
1df4e8fe | 1040 | |
aa21c004 | 1041 | memset(priv->current_addr, 0xff, ETH_ALEN); |
1df4e8fe | 1042 | |
aa21c004 DW |
1043 | priv->connect_status = LBS_DISCONNECTED; |
1044 | priv->mesh_connect_status = LBS_DISCONNECTED; | |
1045 | priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; | |
1046 | priv->mode = IW_MODE_INFRA; | |
1047 | priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL; | |
d9e9778c | 1048 | priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
aa21c004 | 1049 | priv->radioon = RADIO_ON; |
85319f93 | 1050 | priv->enablehwauto = 1; |
aa21c004 DW |
1051 | priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; |
1052 | priv->psmode = LBS802_11POWERMODECAM; | |
1053 | priv->psstate = PS_STATE_FULL_POWER; | |
1df4e8fe | 1054 | |
aa21c004 | 1055 | mutex_init(&priv->lock); |
1df4e8fe | 1056 | |
aa21c004 | 1057 | setup_timer(&priv->command_timer, command_timer_fn, |
61d30020 | 1058 | (unsigned long)priv); |
1df4e8fe | 1059 | |
aa21c004 DW |
1060 | INIT_LIST_HEAD(&priv->cmdfreeq); |
1061 | INIT_LIST_HEAD(&priv->cmdpendingq); | |
1df4e8fe | 1062 | |
aa21c004 DW |
1063 | spin_lock_init(&priv->driver_lock); |
1064 | init_waitqueue_head(&priv->cmd_pending); | |
1df4e8fe | 1065 | |
954ee164 | 1066 | /* Allocate the command buffers */ |
10078321 | 1067 | if (lbs_allocate_cmd_buffer(priv)) { |
954ee164 | 1068 | lbs_pr_err("Out of memory allocating command buffers\n"); |
7919b89c HS |
1069 | ret = -ENOMEM; |
1070 | goto out; | |
1071 | } | |
1072 | priv->resp_idx = 0; | |
1073 | priv->resp_len[0] = priv->resp_len[1] = 0; | |
1074 | ||
1075 | /* Create the event FIFO */ | |
1076 | priv->event_fifo = kfifo_alloc(sizeof(u32) * 16, GFP_KERNEL, NULL); | |
1077 | if (IS_ERR(priv->event_fifo)) { | |
1078 | lbs_pr_err("Out of memory allocating event FIFO buffer\n"); | |
1079 | ret = -ENOMEM; | |
1080 | goto out; | |
954ee164 | 1081 | } |
1df4e8fe | 1082 | |
954ee164 | 1083 | out: |
61d30020 HS |
1084 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1085 | ||
954ee164 DW |
1086 | return ret; |
1087 | } | |
1df4e8fe | 1088 | |
69f9032d | 1089 | static void lbs_free_adapter(struct lbs_private *priv) |
954ee164 | 1090 | { |
61d30020 | 1091 | lbs_deb_enter(LBS_DEB_MAIN); |
1df4e8fe | 1092 | |
61d30020 | 1093 | lbs_free_cmd_buffer(priv); |
7919b89c HS |
1094 | if (priv->event_fifo) |
1095 | kfifo_free(priv->event_fifo); | |
aa21c004 | 1096 | del_timer(&priv->command_timer); |
aa21c004 DW |
1097 | kfree(priv->networks); |
1098 | priv->networks = NULL; | |
61d30020 HS |
1099 | |
1100 | lbs_deb_leave(LBS_DEB_MAIN); | |
1df4e8fe HS |
1101 | } |
1102 | ||
876c9d3a MT |
1103 | /** |
1104 | * @brief This function adds the card. it will probe the | |
10078321 | 1105 | * card, allocate the lbs_priv and initialize the device. |
876c9d3a MT |
1106 | * |
1107 | * @param card A pointer to card | |
69f9032d | 1108 | * @return A pointer to struct lbs_private structure |
876c9d3a | 1109 | */ |
69f9032d | 1110 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
1111 | { |
1112 | struct net_device *dev = NULL; | |
69f9032d | 1113 | struct lbs_private *priv = NULL; |
876c9d3a | 1114 | |
61d30020 | 1115 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1116 | |
1117 | /* Allocate an Ethernet device and register it */ | |
69f9032d HS |
1118 | dev = alloc_etherdev(sizeof(struct lbs_private)); |
1119 | if (!dev) { | |
9012b28a | 1120 | lbs_pr_err("init ethX device failed\n"); |
954ee164 | 1121 | goto done; |
876c9d3a | 1122 | } |
64f104e8 | 1123 | priv = dev->priv; |
876c9d3a | 1124 | |
10078321 | 1125 | if (lbs_init_adapter(priv)) { |
954ee164 DW |
1126 | lbs_pr_err("failed to initialize adapter structure.\n"); |
1127 | goto err_init_adapter; | |
1128 | } | |
1129 | ||
634b8f49 HS |
1130 | priv->dev = dev; |
1131 | priv->card = card; | |
876c9d3a MT |
1132 | priv->mesh_open = 0; |
1133 | priv->infra_open = 0; | |
876c9d3a | 1134 | |
876c9d3a | 1135 | /* Setup the OS Interface to our functions */ |
8552855f | 1136 | dev->open = lbs_dev_open; |
198cefb9 | 1137 | dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1138 | dev->stop = lbs_eth_stop; |
10078321 HS |
1139 | dev->set_mac_address = lbs_set_mac_address; |
1140 | dev->tx_timeout = lbs_tx_timeout; | |
1141 | dev->get_stats = lbs_get_stats; | |
fb3dddf2 | 1142 | dev->watchdog_timeo = 5 * HZ; |
10078321 | 1143 | dev->ethtool_ops = &lbs_ethtool_ops; |
876c9d3a | 1144 | #ifdef WIRELESS_EXT |
10078321 | 1145 | dev->wireless_handlers = (struct iw_handler_def *)&lbs_handler_def; |
876c9d3a | 1146 | #endif |
876c9d3a | 1147 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
10078321 | 1148 | dev->set_multicast_list = lbs_set_multicast_list; |
876c9d3a | 1149 | |
7732ca45 DW |
1150 | SET_NETDEV_DEV(dev, dmdev); |
1151 | ||
965f8bbc | 1152 | priv->rtap_net_dev = NULL; |
954ee164 DW |
1153 | |
1154 | lbs_deb_thread("Starting main thread...\n"); | |
1155 | init_waitqueue_head(&priv->waitq); | |
10078321 | 1156 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
954ee164 DW |
1157 | if (IS_ERR(priv->main_thread)) { |
1158 | lbs_deb_thread("Error creating main thread.\n"); | |
e7deced0 | 1159 | goto err_init_adapter; |
954ee164 DW |
1160 | } |
1161 | ||
10078321 HS |
1162 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
1163 | INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); | |
1164 | INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); | |
75bf45a7 | 1165 | INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker); |
e226868e | 1166 | INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); |
954ee164 | 1167 | |
23a397ac DW |
1168 | sprintf(priv->mesh_ssid, "mesh"); |
1169 | priv->mesh_ssid_len = 4; | |
1170 | ||
506e9025 DW |
1171 | priv->wol_criteria = 0xffffffff; |
1172 | priv->wol_gpio = 0xff; | |
1173 | ||
32a74b7c HS |
1174 | goto done; |
1175 | ||
954ee164 | 1176 | err_init_adapter: |
10078321 | 1177 | lbs_free_adapter(priv); |
32a74b7c | 1178 | free_netdev(dev); |
6a812157 | 1179 | priv = NULL; |
954ee164 | 1180 | |
32a74b7c | 1181 | done: |
61d30020 | 1182 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
32a74b7c HS |
1183 | return priv; |
1184 | } | |
10078321 | 1185 | EXPORT_SYMBOL_GPL(lbs_add_card); |
32a74b7c | 1186 | |
954ee164 | 1187 | |
a63e5cb2 | 1188 | void lbs_remove_card(struct lbs_private *priv) |
32a74b7c | 1189 | { |
634b8f49 | 1190 | struct net_device *dev = priv->dev; |
954ee164 | 1191 | union iwreq_data wrqu; |
32a74b7c HS |
1192 | |
1193 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 1194 | |
23a397ac | 1195 | lbs_remove_mesh(priv); |
10078321 | 1196 | lbs_remove_rtap(priv); |
876c9d3a | 1197 | |
954ee164 | 1198 | dev = priv->dev; |
2afc0c5d | 1199 | |
652e3f20 HS |
1200 | cancel_delayed_work_sync(&priv->scan_work); |
1201 | cancel_delayed_work_sync(&priv->assoc_work); | |
75bf45a7 | 1202 | cancel_work_sync(&priv->mcast_work); |
954ee164 | 1203 | destroy_workqueue(priv->work_thread); |
876c9d3a | 1204 | |
aa21c004 DW |
1205 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
1206 | priv->psmode = LBS802_11POWERMODECAM; | |
10078321 | 1207 | lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); |
876c9d3a MT |
1208 | } |
1209 | ||
954ee164 DW |
1210 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); |
1211 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
1212 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); | |
1213 | ||
1214 | /* Stop the thread servicing the interrupts */ | |
aa21c004 | 1215 | priv->surpriseremoved = 1; |
954ee164 DW |
1216 | kthread_stop(priv->main_thread); |
1217 | ||
10078321 | 1218 | lbs_free_adapter(priv); |
954ee164 DW |
1219 | |
1220 | priv->dev = NULL; | |
1221 | free_netdev(dev); | |
1222 | ||
1223 | lbs_deb_leave(LBS_DEB_MAIN); | |
954ee164 | 1224 | } |
10078321 | 1225 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
954ee164 DW |
1226 | |
1227 | ||
69f9032d | 1228 | int lbs_start_card(struct lbs_private *priv) |
954ee164 DW |
1229 | { |
1230 | struct net_device *dev = priv->dev; | |
1231 | int ret = -1; | |
1232 | ||
1233 | lbs_deb_enter(LBS_DEB_MAIN); | |
1234 | ||
1235 | /* poke the firmware */ | |
10078321 | 1236 | ret = lbs_setup_firmware(priv); |
954ee164 DW |
1237 | if (ret) |
1238 | goto done; | |
1239 | ||
1240 | /* init 802.11d */ | |
10078321 | 1241 | lbs_init_11d(priv); |
876c9d3a MT |
1242 | |
1243 | if (register_netdev(dev)) { | |
9012b28a | 1244 | lbs_pr_err("cannot register ethX device\n"); |
954ee164 | 1245 | goto done; |
876c9d3a | 1246 | } |
e7deced0 DW |
1247 | if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) |
1248 | lbs_pr_err("cannot register lbs_rtap attribute\n"); | |
020f3d00 | 1249 | |
020f3d00 | 1250 | lbs_update_channel(priv); |
020f3d00 | 1251 | |
c9d1be36 HS |
1252 | /* 5.0.16p0 is known to NOT support any mesh */ |
1253 | if (priv->fwrelease > 0x05001000) { | |
1254 | /* Enable mesh, if supported, and work out which TLV it uses. | |
1255 | 0x100 + 291 is an unofficial value used in 5.110.20.pXX | |
1256 | 0x100 + 37 is the official value used in 5.110.21.pXX | |
1257 | but we check them in that order because 20.pXX doesn't | |
1258 | give an error -- it just silently fails. */ | |
1259 | ||
1260 | /* 5.110.20.pXX firmware will fail the command if the channel | |
1261 | doesn't match the existing channel. But only if the TLV | |
1262 | is correct. If the channel is wrong, _BOTH_ versions will | |
1263 | give an error to 0x100+291, and allow 0x100+37 to succeed. | |
1264 | It's just that 5.110.20.pXX will not have done anything | |
1265 | useful */ | |
1266 | ||
1267 | priv->mesh_tlv = 0x100 + 291; | |
edaea5ce JC |
1268 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, |
1269 | priv->curbssparams.channel)) { | |
c9d1be36 | 1270 | priv->mesh_tlv = 0x100 + 37; |
edaea5ce JC |
1271 | if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, |
1272 | priv->curbssparams.channel)) | |
c9d1be36 HS |
1273 | priv->mesh_tlv = 0; |
1274 | } | |
1275 | if (priv->mesh_tlv) { | |
1276 | lbs_add_mesh(priv); | |
1277 | ||
1278 | if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) | |
1279 | lbs_pr_err("cannot register lbs_mesh attribute\n"); | |
1280 | } | |
020f3d00 | 1281 | } |
876c9d3a | 1282 | |
10078321 | 1283 | lbs_debugfs_init_one(priv, dev); |
876c9d3a | 1284 | |
954ee164 DW |
1285 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
1286 | ||
32a74b7c | 1287 | ret = 0; |
876c9d3a | 1288 | |
32a74b7c | 1289 | done: |
954ee164 DW |
1290 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
1291 | return ret; | |
1292 | } | |
10078321 | 1293 | EXPORT_SYMBOL_GPL(lbs_start_card); |
954ee164 DW |
1294 | |
1295 | ||
a63e5cb2 | 1296 | void lbs_stop_card(struct lbs_private *priv) |
954ee164 DW |
1297 | { |
1298 | struct net_device *dev = priv->dev; | |
954ee164 DW |
1299 | struct cmd_ctrl_node *cmdnode; |
1300 | unsigned long flags; | |
1301 | ||
1302 | lbs_deb_enter(LBS_DEB_MAIN); | |
1303 | ||
652e3f20 HS |
1304 | if (!priv) |
1305 | goto out; | |
1306 | ||
954ee164 DW |
1307 | netif_stop_queue(priv->dev); |
1308 | netif_carrier_off(priv->dev); | |
1309 | ||
10078321 | 1310 | lbs_debugfs_remove_one(priv); |
10bca0d5 | 1311 | device_remove_file(&dev->dev, &dev_attr_lbs_rtap); |
15dbaac0 | 1312 | if (priv->mesh_tlv) { |
020f3d00 | 1313 | device_remove_file(&dev->dev, &dev_attr_lbs_mesh); |
15dbaac0 | 1314 | } |
954ee164 DW |
1315 | |
1316 | /* Flush pending command nodes */ | |
652e3f20 | 1317 | del_timer_sync(&priv->command_timer); |
aa21c004 DW |
1318 | spin_lock_irqsave(&priv->driver_lock, flags); |
1319 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { | |
ae125bf8 | 1320 | cmdnode->result = -ENOENT; |
954ee164 DW |
1321 | cmdnode->cmdwaitqwoken = 1; |
1322 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1323 | } | |
aa21c004 | 1324 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
954ee164 DW |
1325 | |
1326 | unregister_netdev(dev); | |
1327 | ||
652e3f20 | 1328 | out: |
a63e5cb2 | 1329 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a | 1330 | } |
10078321 | 1331 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
084708b6 | 1332 | |
876c9d3a | 1333 | |
78523daa HS |
1334 | /** |
1335 | * @brief This function adds mshX interface | |
1336 | * | |
69f9032d | 1337 | * @param priv A pointer to the struct lbs_private structure |
78523daa HS |
1338 | * @return 0 if successful, -X otherwise |
1339 | */ | |
23a397ac | 1340 | static int lbs_add_mesh(struct lbs_private *priv) |
78523daa HS |
1341 | { |
1342 | struct net_device *mesh_dev = NULL; | |
1343 | int ret = 0; | |
1344 | ||
1345 | lbs_deb_enter(LBS_DEB_MESH); | |
1346 | ||
1347 | /* Allocate a virtual mesh device */ | |
1348 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
1349 | lbs_deb_mesh("init mshX device failed\n"); | |
1350 | ret = -ENOMEM; | |
1351 | goto done; | |
1352 | } | |
1353 | mesh_dev->priv = priv; | |
1354 | priv->mesh_dev = mesh_dev; | |
1355 | ||
8552855f | 1356 | mesh_dev->open = lbs_dev_open; |
198cefb9 | 1357 | mesh_dev->hard_start_xmit = lbs_hard_start_xmit; |
8552855f | 1358 | mesh_dev->stop = lbs_mesh_stop; |
10078321 HS |
1359 | mesh_dev->get_stats = lbs_get_stats; |
1360 | mesh_dev->set_mac_address = lbs_set_mac_address; | |
1361 | mesh_dev->ethtool_ops = &lbs_ethtool_ops; | |
634b8f49 HS |
1362 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
1363 | sizeof(priv->dev->dev_addr)); | |
78523daa | 1364 | |
23a397ac | 1365 | SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent); |
7732ca45 | 1366 | |
78523daa | 1367 | #ifdef WIRELESS_EXT |
f5e05b69 | 1368 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa | 1369 | #endif |
75bf45a7 DW |
1370 | mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
1371 | mesh_dev->set_multicast_list = lbs_set_multicast_list; | |
78523daa HS |
1372 | /* Register virtual mesh interface */ |
1373 | ret = register_netdev(mesh_dev); | |
1374 | if (ret) { | |
1375 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
1376 | goto err_free; | |
1377 | } | |
1378 | ||
10078321 | 1379 | ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
78523daa HS |
1380 | if (ret) |
1381 | goto err_unregister; | |
1382 | ||
15dbaac0 JC |
1383 | lbs_persist_config_init(mesh_dev); |
1384 | ||
78523daa HS |
1385 | /* Everything successful */ |
1386 | ret = 0; | |
1387 | goto done; | |
1388 | ||
78523daa HS |
1389 | err_unregister: |
1390 | unregister_netdev(mesh_dev); | |
1391 | ||
1392 | err_free: | |
1393 | free_netdev(mesh_dev); | |
1394 | ||
1395 | done: | |
1396 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
1397 | return ret; | |
1398 | } | |
084708b6 | 1399 | |
23a397ac | 1400 | static void lbs_remove_mesh(struct lbs_private *priv) |
78523daa HS |
1401 | { |
1402 | struct net_device *mesh_dev; | |
1403 | ||
78523daa HS |
1404 | |
1405 | mesh_dev = priv->mesh_dev; | |
23a397ac | 1406 | if (!mesh_dev) |
61d30020 | 1407 | return; |
78523daa | 1408 | |
61d30020 | 1409 | lbs_deb_enter(LBS_DEB_MESH); |
78523daa | 1410 | netif_stop_queue(mesh_dev); |
15dbaac0 | 1411 | netif_carrier_off(mesh_dev); |
10078321 | 1412 | sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group); |
15dbaac0 | 1413 | lbs_persist_config_remove(mesh_dev); |
78523daa | 1414 | unregister_netdev(mesh_dev); |
23a397ac | 1415 | priv->mesh_dev = NULL; |
78523daa | 1416 | free_netdev(mesh_dev); |
61d30020 | 1417 | lbs_deb_leave(LBS_DEB_MESH); |
78523daa HS |
1418 | } |
1419 | ||
876c9d3a MT |
1420 | /** |
1421 | * @brief This function finds the CFP in | |
1422 | * region_cfp_table based on region and band parameter. | |
1423 | * | |
1424 | * @param region The region code | |
1425 | * @param band The band | |
1426 | * @param cfp_no A pointer to CFP number | |
1427 | * @return A pointer to CFP | |
1428 | */ | |
e98a88dd | 1429 | struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no) |
876c9d3a MT |
1430 | { |
1431 | int i, end; | |
1432 | ||
9012b28a | 1433 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1434 | |
ff8ac609 | 1435 | end = ARRAY_SIZE(region_cfp_table); |
876c9d3a MT |
1436 | |
1437 | for (i = 0; i < end ; i++) { | |
9012b28a | 1438 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1439 | region_cfp_table[i].region); |
1440 | if (region_cfp_table[i].region == region) { | |
1441 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1442 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1443 | return region_cfp_table[i].cfp_BG; |
1444 | } | |
1445 | } | |
1446 | ||
9012b28a | 1447 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1448 | return NULL; |
1449 | } | |
1450 | ||
69f9032d | 1451 | int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band) |
876c9d3a | 1452 | { |
9012b28a | 1453 | int ret = 0; |
876c9d3a MT |
1454 | int i = 0; |
1455 | ||
1456 | struct chan_freq_power *cfp; | |
1457 | int cfp_no; | |
1458 | ||
9012b28a | 1459 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1460 | |
aa21c004 | 1461 | memset(priv->region_channel, 0, sizeof(priv->region_channel)); |
876c9d3a | 1462 | |
e98a88dd | 1463 | cfp = lbs_get_region_cfp_table(region, &cfp_no); |
61d30020 HS |
1464 | if (cfp != NULL) { |
1465 | priv->region_channel[i].nrcfp = cfp_no; | |
1466 | priv->region_channel[i].CFP = cfp; | |
1467 | } else { | |
1468 | lbs_deb_main("wrong region code %#x in band B/G\n", | |
1469 | region); | |
1470 | ret = -1; | |
1471 | goto out; | |
876c9d3a | 1472 | } |
61d30020 HS |
1473 | priv->region_channel[i].valid = 1; |
1474 | priv->region_channel[i].region = region; | |
1475 | priv->region_channel[i].band = band; | |
1476 | i++; | |
9012b28a HS |
1477 | out: |
1478 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1479 | return ret; | |
876c9d3a MT |
1480 | } |
1481 | ||
7919b89c HS |
1482 | void lbs_queue_event(struct lbs_private *priv, u32 event) |
1483 | { | |
1484 | unsigned long flags; | |
1485 | ||
1486 | lbs_deb_enter(LBS_DEB_THREAD); | |
1487 | spin_lock_irqsave(&priv->driver_lock, flags); | |
1488 | ||
1489 | if (priv->psstate == PS_STATE_SLEEP) | |
1490 | priv->psstate = PS_STATE_AWAKE; | |
1491 | ||
1492 | __kfifo_put(priv->event_fifo, (unsigned char *) &event, sizeof(u32)); | |
1493 | ||
1494 | wake_up_interruptible(&priv->waitq); | |
1495 | ||
1496 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1497 | lbs_deb_leave(LBS_DEB_THREAD); | |
1498 | } | |
1499 | EXPORT_SYMBOL_GPL(lbs_queue_event); | |
1500 | ||
1501 | void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx) | |
876c9d3a | 1502 | { |
ed37b516 | 1503 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1504 | |
4f679496 | 1505 | if (priv->psstate == PS_STATE_SLEEP) |
aa21c004 | 1506 | priv->psstate = PS_STATE_AWAKE; |
7919b89c HS |
1507 | |
1508 | /* Swap buffers by flipping the response index */ | |
1509 | BUG_ON(resp_idx > 1); | |
1510 | priv->resp_idx = resp_idx; | |
1511 | ||
fe336150 | 1512 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1513 | |
ed37b516 | 1514 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1515 | } |
7919b89c | 1516 | EXPORT_SYMBOL_GPL(lbs_notify_command_response); |
876c9d3a | 1517 | |
4fb910fd | 1518 | static int __init lbs_init_module(void) |
876c9d3a | 1519 | { |
9012b28a | 1520 | lbs_deb_enter(LBS_DEB_MAIN); |
f539f2ef HS |
1521 | memset(&confirm_sleep, 0, sizeof(confirm_sleep)); |
1522 | confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE); | |
1523 | confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep)); | |
1524 | confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED); | |
10078321 | 1525 | lbs_debugfs_init(); |
084708b6 HS |
1526 | lbs_deb_leave(LBS_DEB_MAIN); |
1527 | return 0; | |
876c9d3a MT |
1528 | } |
1529 | ||
4fb910fd | 1530 | static void __exit lbs_exit_module(void) |
876c9d3a | 1531 | { |
9012b28a | 1532 | lbs_deb_enter(LBS_DEB_MAIN); |
10078321 | 1533 | lbs_debugfs_remove(); |
9012b28a | 1534 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1535 | } |
1536 | ||
965f8bbc LCC |
1537 | /* |
1538 | * rtap interface support fuctions | |
1539 | */ | |
1540 | ||
10078321 | 1541 | static int lbs_rtap_open(struct net_device *dev) |
965f8bbc | 1542 | { |
8552855f | 1543 | /* Yes, _stop_ the queue. Because we don't support injection */ |
61d30020 HS |
1544 | lbs_deb_enter(LBS_DEB_MAIN); |
1545 | netif_carrier_off(dev); | |
1546 | netif_stop_queue(dev); | |
1547 | lbs_deb_leave(LBS_DEB_LEAVE); | |
1548 | return 0; | |
965f8bbc LCC |
1549 | } |
1550 | ||
10078321 | 1551 | static int lbs_rtap_stop(struct net_device *dev) |
965f8bbc | 1552 | { |
61d30020 HS |
1553 | lbs_deb_enter(LBS_DEB_MAIN); |
1554 | lbs_deb_leave(LBS_DEB_MAIN); | |
1555 | return 0; | |
965f8bbc LCC |
1556 | } |
1557 | ||
10078321 | 1558 | static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
965f8bbc | 1559 | { |
61d30020 HS |
1560 | netif_stop_queue(dev); |
1561 | return NETDEV_TX_BUSY; | |
965f8bbc LCC |
1562 | } |
1563 | ||
10078321 | 1564 | static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev) |
965f8bbc | 1565 | { |
69f9032d | 1566 | struct lbs_private *priv = dev->priv; |
61d30020 | 1567 | lbs_deb_enter(LBS_DEB_NET); |
d9268fb9 | 1568 | return &priv->stats; |
965f8bbc LCC |
1569 | } |
1570 | ||
1571 | ||
2fd6cfe3 | 1572 | static void lbs_remove_rtap(struct lbs_private *priv) |
965f8bbc | 1573 | { |
61d30020 | 1574 | lbs_deb_enter(LBS_DEB_MAIN); |
965f8bbc | 1575 | if (priv->rtap_net_dev == NULL) |
5f505d90 | 1576 | goto out; |
965f8bbc | 1577 | unregister_netdev(priv->rtap_net_dev); |
d9268fb9 | 1578 | free_netdev(priv->rtap_net_dev); |
965f8bbc | 1579 | priv->rtap_net_dev = NULL; |
5f505d90 | 1580 | out: |
61d30020 | 1581 | lbs_deb_leave(LBS_DEB_MAIN); |
965f8bbc LCC |
1582 | } |
1583 | ||
2fd6cfe3 | 1584 | static int lbs_add_rtap(struct lbs_private *priv) |
965f8bbc | 1585 | { |
61d30020 | 1586 | int ret = 0; |
d9268fb9 | 1587 | struct net_device *rtap_dev; |
965f8bbc | 1588 | |
61d30020 HS |
1589 | lbs_deb_enter(LBS_DEB_MAIN); |
1590 | if (priv->rtap_net_dev) { | |
1591 | ret = -EPERM; | |
1592 | goto out; | |
1593 | } | |
965f8bbc | 1594 | |
d9268fb9 | 1595 | rtap_dev = alloc_netdev(0, "rtap%d", ether_setup); |
61d30020 HS |
1596 | if (rtap_dev == NULL) { |
1597 | ret = -ENOMEM; | |
1598 | goto out; | |
1599 | } | |
965f8bbc | 1600 | |
121947c6 | 1601 | memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN); |
d9268fb9 DW |
1602 | rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP; |
1603 | rtap_dev->open = lbs_rtap_open; | |
1604 | rtap_dev->stop = lbs_rtap_stop; | |
1605 | rtap_dev->get_stats = lbs_rtap_get_stats; | |
1606 | rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit; | |
d9268fb9 | 1607 | rtap_dev->priv = priv; |
229ce3ab | 1608 | SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent); |
965f8bbc | 1609 | |
61d30020 HS |
1610 | ret = register_netdev(rtap_dev); |
1611 | if (ret) { | |
d9268fb9 | 1612 | free_netdev(rtap_dev); |
61d30020 | 1613 | goto out; |
965f8bbc | 1614 | } |
d9268fb9 | 1615 | priv->rtap_net_dev = rtap_dev; |
965f8bbc | 1616 | |
61d30020 HS |
1617 | out: |
1618 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1619 | return ret; | |
965f8bbc LCC |
1620 | } |
1621 | ||
04850a47 HS |
1622 | #ifndef CONFIG_IEEE80211 |
1623 | const char *escape_essid(const char *essid, u8 essid_len) | |
1624 | { | |
1625 | static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; | |
1626 | const char *s = essid; | |
1627 | char *d = escaped; | |
1628 | ||
1629 | if (ieee80211_is_empty_essid(essid, essid_len)) { | |
1630 | memcpy(escaped, "<hidden>", sizeof("<hidden>")); | |
1631 | return escaped; | |
1632 | } | |
1633 | ||
1634 | essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE); | |
1635 | while (essid_len--) { | |
1636 | if (*s == '\0') { | |
1637 | *d++ = '\\'; | |
1638 | *d++ = '0'; | |
1639 | s++; | |
1640 | } else { | |
1641 | *d++ = *s++; | |
1642 | } | |
1643 | } | |
1644 | *d = '\0'; | |
1645 | return escaped; | |
1646 | } | |
1647 | #endif | |
965f8bbc | 1648 | |
10078321 HS |
1649 | module_init(lbs_init_module); |
1650 | module_exit(lbs_exit_module); | |
876c9d3a | 1651 | |
084708b6 | 1652 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1653 | MODULE_AUTHOR("Marvell International Ltd."); |
1654 | MODULE_LICENSE("GPL"); |