Commit | Line | Data |
---|---|---|
876c9d3a MT |
1 | /** |
2 | * This file contains the major functions in WLAN | |
3 | * driver. It includes init, exit, open, close and main | |
4 | * thread etc.. | |
5 | */ | |
6 | ||
a46c6410 | 7 | #include <linux/moduleparam.h> |
876c9d3a MT |
8 | #include <linux/delay.h> |
9 | #include <linux/freezer.h> | |
10 | #include <linux/etherdevice.h> | |
11 | #include <linux/netdevice.h> | |
12 | #include <linux/if_arp.h> | |
fe336150 | 13 | #include <linux/kthread.h> |
876c9d3a MT |
14 | |
15 | #include <net/iw_handler.h> | |
9012b28a | 16 | #include <net/ieee80211.h> |
876c9d3a MT |
17 | |
18 | #include "host.h" | |
876c9d3a MT |
19 | #include "decl.h" |
20 | #include "dev.h" | |
876c9d3a MT |
21 | #include "wext.h" |
22 | #include "debugfs.h" | |
23 | #include "assoc.h" | |
24 | ||
125dcabf | 25 | #define DRIVER_RELEASE_VERSION "322.p1" |
3ce40232 DW |
26 | const char libertas_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
27 | #ifdef DEBUG | |
28 | "-dbg" | |
29 | #endif | |
30 | ""; | |
31 | ||
a46c6410 HS |
32 | |
33 | /* Module parameters */ | |
34 | unsigned int libertas_debug = 0; | |
35 | module_param(libertas_debug, int, 0644); | |
084708b6 | 36 | EXPORT_SYMBOL_GPL(libertas_debug); |
a46c6410 HS |
37 | |
38 | ||
876c9d3a MT |
39 | #define WLAN_TX_PWR_DEFAULT 20 /*100mW */ |
40 | #define WLAN_TX_PWR_US_DEFAULT 20 /*100mW */ | |
41 | #define WLAN_TX_PWR_JP_DEFAULT 16 /*50mW */ | |
42 | #define WLAN_TX_PWR_FR_DEFAULT 20 /*100mW */ | |
43 | #define WLAN_TX_PWR_EMEA_DEFAULT 20 /*100mW */ | |
44 | ||
45 | /* Format { channel, frequency (MHz), maxtxpower } */ | |
46 | /* band: 'B/G', region: USA FCC/Canada IC */ | |
47 | static struct chan_freq_power channel_freq_power_US_BG[] = { | |
48 | {1, 2412, WLAN_TX_PWR_US_DEFAULT}, | |
49 | {2, 2417, WLAN_TX_PWR_US_DEFAULT}, | |
50 | {3, 2422, WLAN_TX_PWR_US_DEFAULT}, | |
51 | {4, 2427, WLAN_TX_PWR_US_DEFAULT}, | |
52 | {5, 2432, WLAN_TX_PWR_US_DEFAULT}, | |
53 | {6, 2437, WLAN_TX_PWR_US_DEFAULT}, | |
54 | {7, 2442, WLAN_TX_PWR_US_DEFAULT}, | |
55 | {8, 2447, WLAN_TX_PWR_US_DEFAULT}, | |
56 | {9, 2452, WLAN_TX_PWR_US_DEFAULT}, | |
57 | {10, 2457, WLAN_TX_PWR_US_DEFAULT}, | |
58 | {11, 2462, WLAN_TX_PWR_US_DEFAULT} | |
59 | }; | |
60 | ||
61 | /* band: 'B/G', region: Europe ETSI */ | |
62 | static struct chan_freq_power channel_freq_power_EU_BG[] = { | |
63 | {1, 2412, WLAN_TX_PWR_EMEA_DEFAULT}, | |
64 | {2, 2417, WLAN_TX_PWR_EMEA_DEFAULT}, | |
65 | {3, 2422, WLAN_TX_PWR_EMEA_DEFAULT}, | |
66 | {4, 2427, WLAN_TX_PWR_EMEA_DEFAULT}, | |
67 | {5, 2432, WLAN_TX_PWR_EMEA_DEFAULT}, | |
68 | {6, 2437, WLAN_TX_PWR_EMEA_DEFAULT}, | |
69 | {7, 2442, WLAN_TX_PWR_EMEA_DEFAULT}, | |
70 | {8, 2447, WLAN_TX_PWR_EMEA_DEFAULT}, | |
71 | {9, 2452, WLAN_TX_PWR_EMEA_DEFAULT}, | |
72 | {10, 2457, WLAN_TX_PWR_EMEA_DEFAULT}, | |
73 | {11, 2462, WLAN_TX_PWR_EMEA_DEFAULT}, | |
74 | {12, 2467, WLAN_TX_PWR_EMEA_DEFAULT}, | |
75 | {13, 2472, WLAN_TX_PWR_EMEA_DEFAULT} | |
76 | }; | |
77 | ||
78 | /* band: 'B/G', region: Spain */ | |
79 | static struct chan_freq_power channel_freq_power_SPN_BG[] = { | |
80 | {10, 2457, WLAN_TX_PWR_DEFAULT}, | |
81 | {11, 2462, WLAN_TX_PWR_DEFAULT} | |
82 | }; | |
83 | ||
84 | /* band: 'B/G', region: France */ | |
85 | static struct chan_freq_power channel_freq_power_FR_BG[] = { | |
86 | {10, 2457, WLAN_TX_PWR_FR_DEFAULT}, | |
87 | {11, 2462, WLAN_TX_PWR_FR_DEFAULT}, | |
88 | {12, 2467, WLAN_TX_PWR_FR_DEFAULT}, | |
89 | {13, 2472, WLAN_TX_PWR_FR_DEFAULT} | |
90 | }; | |
91 | ||
92 | /* band: 'B/G', region: Japan */ | |
93 | static struct chan_freq_power channel_freq_power_JPN_BG[] = { | |
94 | {1, 2412, WLAN_TX_PWR_JP_DEFAULT}, | |
95 | {2, 2417, WLAN_TX_PWR_JP_DEFAULT}, | |
96 | {3, 2422, WLAN_TX_PWR_JP_DEFAULT}, | |
97 | {4, 2427, WLAN_TX_PWR_JP_DEFAULT}, | |
98 | {5, 2432, WLAN_TX_PWR_JP_DEFAULT}, | |
99 | {6, 2437, WLAN_TX_PWR_JP_DEFAULT}, | |
100 | {7, 2442, WLAN_TX_PWR_JP_DEFAULT}, | |
101 | {8, 2447, WLAN_TX_PWR_JP_DEFAULT}, | |
102 | {9, 2452, WLAN_TX_PWR_JP_DEFAULT}, | |
103 | {10, 2457, WLAN_TX_PWR_JP_DEFAULT}, | |
104 | {11, 2462, WLAN_TX_PWR_JP_DEFAULT}, | |
105 | {12, 2467, WLAN_TX_PWR_JP_DEFAULT}, | |
106 | {13, 2472, WLAN_TX_PWR_JP_DEFAULT}, | |
107 | {14, 2484, WLAN_TX_PWR_JP_DEFAULT} | |
108 | }; | |
109 | ||
110 | /** | |
111 | * the structure for channel, frequency and power | |
112 | */ | |
113 | struct region_cfp_table { | |
114 | u8 region; | |
115 | struct chan_freq_power *cfp_BG; | |
116 | int cfp_no_BG; | |
117 | }; | |
118 | ||
119 | /** | |
120 | * the structure for the mapping between region and CFP | |
121 | */ | |
122 | static struct region_cfp_table region_cfp_table[] = { | |
123 | {0x10, /*US FCC */ | |
124 | channel_freq_power_US_BG, | |
125 | sizeof(channel_freq_power_US_BG) / sizeof(struct chan_freq_power), | |
126 | } | |
127 | , | |
128 | {0x20, /*CANADA IC */ | |
129 | channel_freq_power_US_BG, | |
130 | sizeof(channel_freq_power_US_BG) / sizeof(struct chan_freq_power), | |
131 | } | |
132 | , | |
133 | {0x30, /*EU*/ channel_freq_power_EU_BG, | |
134 | sizeof(channel_freq_power_EU_BG) / sizeof(struct chan_freq_power), | |
135 | } | |
136 | , | |
137 | {0x31, /*SPAIN*/ channel_freq_power_SPN_BG, | |
138 | sizeof(channel_freq_power_SPN_BG) / sizeof(struct chan_freq_power), | |
139 | } | |
140 | , | |
141 | {0x32, /*FRANCE*/ channel_freq_power_FR_BG, | |
142 | sizeof(channel_freq_power_FR_BG) / sizeof(struct chan_freq_power), | |
143 | } | |
144 | , | |
145 | {0x40, /*JAPAN*/ channel_freq_power_JPN_BG, | |
146 | sizeof(channel_freq_power_JPN_BG) / sizeof(struct chan_freq_power), | |
147 | } | |
148 | , | |
149 | /*Add new region here */ | |
150 | }; | |
151 | ||
876c9d3a | 152 | /** |
8c512765 | 153 | * the table to keep region code |
876c9d3a | 154 | */ |
8c512765 DW |
155 | u16 libertas_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
156 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; | |
876c9d3a MT |
157 | |
158 | /** | |
8c512765 | 159 | * 802.11b/g supported bitrates (in 500Kb/s units) |
876c9d3a | 160 | */ |
8c512765 DW |
161 | u8 libertas_bg_rates[MAX_RATES] = |
162 | { 0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c, | |
163 | 0x00, 0x00 }; | |
876c9d3a MT |
164 | |
165 | /** | |
8c512765 DW |
166 | * FW rate table. FW refers to rates by their index in this table, not by the |
167 | * rate value itself. Values of 0x00 are | |
168 | * reserved positions. | |
876c9d3a | 169 | */ |
8c512765 DW |
170 | static u8 fw_data_rates[MAX_RATES] = |
171 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, | |
172 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 | |
173 | }; | |
876c9d3a | 174 | |
876c9d3a | 175 | /** |
8c512765 DW |
176 | * @brief use index to get the data rate |
177 | * | |
178 | * @param idx The index of data rate | |
179 | * @return data rate or 0 | |
876c9d3a | 180 | */ |
8c512765 DW |
181 | u32 libertas_fw_index_to_data_rate(u8 idx) |
182 | { | |
183 | if (idx >= sizeof(fw_data_rates)) | |
184 | idx = 0; | |
185 | return fw_data_rates[idx]; | |
186 | } | |
187 | ||
188 | /** | |
189 | * @brief use rate to get the index | |
190 | * | |
191 | * @param rate data rate | |
192 | * @return index or 0 | |
193 | */ | |
194 | u8 libertas_data_rate_to_fw_index(u32 rate) | |
195 | { | |
196 | u8 i; | |
197 | ||
198 | if (!rate) | |
199 | return 0; | |
200 | ||
201 | for (i = 0; i < sizeof(fw_data_rates); i++) { | |
202 | if (rate == fw_data_rates[i]) | |
203 | return i; | |
204 | } | |
205 | return 0; | |
206 | } | |
876c9d3a | 207 | |
876c9d3a MT |
208 | /** |
209 | * Attributes exported through sysfs | |
210 | */ | |
876c9d3a MT |
211 | |
212 | /** | |
82fde74b | 213 | * @brief Get function for sysfs attribute anycast_mask |
876c9d3a | 214 | */ |
82fde74b | 215 | static ssize_t libertas_anycast_get(struct device * dev, |
b59bb616 DW |
216 | struct device_attribute *attr, char * buf) |
217 | { | |
876c9d3a MT |
218 | struct cmd_ds_mesh_access mesh_access; |
219 | ||
220 | memset(&mesh_access, 0, sizeof(mesh_access)); | |
221 | libertas_prepare_and_send_command(to_net_dev(dev)->priv, | |
0aef64d7 DW |
222 | CMD_MESH_ACCESS, |
223 | CMD_ACT_MESH_GET_ANYCAST, | |
224 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
876c9d3a | 225 | |
82fde74b | 226 | return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0])); |
876c9d3a MT |
227 | } |
228 | ||
229 | /** | |
82fde74b | 230 | * @brief Set function for sysfs attribute anycast_mask |
876c9d3a | 231 | */ |
82fde74b | 232 | static ssize_t libertas_anycast_set(struct device * dev, |
b59bb616 DW |
233 | struct device_attribute *attr, const char * buf, size_t count) |
234 | { | |
876c9d3a | 235 | struct cmd_ds_mesh_access mesh_access; |
981f187b | 236 | uint32_t datum; |
876c9d3a | 237 | |
876c9d3a | 238 | memset(&mesh_access, 0, sizeof(mesh_access)); |
82fde74b | 239 | sscanf(buf, "%x", &datum); |
981f187b DW |
240 | mesh_access.data[0] = cpu_to_le32(datum); |
241 | ||
876c9d3a | 242 | libertas_prepare_and_send_command((to_net_dev(dev))->priv, |
0aef64d7 DW |
243 | CMD_MESH_ACCESS, |
244 | CMD_ACT_MESH_SET_ANYCAST, | |
245 | CMD_OPTION_WAITFORRSP, 0, (void *)&mesh_access); | |
876c9d3a MT |
246 | return strlen(buf); |
247 | } | |
248 | ||
249 | /** | |
82fde74b LC |
250 | * anycast_mask attribute to be exported per mshX interface |
251 | * through sysfs (/sys/class/net/mshX/anycast_mask) | |
876c9d3a | 252 | */ |
82fde74b | 253 | static DEVICE_ATTR(anycast_mask, 0644, libertas_anycast_get, libertas_anycast_set); |
876c9d3a MT |
254 | |
255 | /** | |
256 | * @brief Check if the device can be open and wait if necessary. | |
257 | * | |
258 | * @param dev A pointer to net_device structure | |
259 | * @return 0 | |
260 | * | |
261 | * For USB adapter, on some systems the device open handler will be | |
262 | * called before FW ready. Use the following flag check and wait | |
263 | * function to work around the issue. | |
264 | * | |
265 | */ | |
9012b28a HS |
266 | static int pre_open_check(struct net_device *dev) |
267 | { | |
876c9d3a MT |
268 | wlan_private *priv = (wlan_private *) dev->priv; |
269 | wlan_adapter *adapter = priv->adapter; | |
270 | int i = 0; | |
271 | ||
272 | while (!adapter->fw_ready && i < 20) { | |
273 | i++; | |
274 | msleep_interruptible(100); | |
275 | } | |
276 | if (!adapter->fw_ready) { | |
9012b28a | 277 | lbs_pr_err("firmware not ready\n"); |
876c9d3a MT |
278 | return -1; |
279 | } | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
284 | /** | |
285 | * @brief This function opens the device | |
286 | * | |
287 | * @param dev A pointer to net_device structure | |
288 | * @return 0 | |
289 | */ | |
e5241472 | 290 | static int libertas_dev_open(struct net_device *dev) |
876c9d3a MT |
291 | { |
292 | wlan_private *priv = (wlan_private *) dev->priv; | |
293 | wlan_adapter *adapter = priv->adapter; | |
294 | ||
9012b28a | 295 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
296 | |
297 | priv->open = 1; | |
298 | ||
0aef64d7 | 299 | if (adapter->connect_status == LIBERTAS_CONNECTED) { |
634b8f49 | 300 | netif_carrier_on(priv->dev); |
51d84f50 JC |
301 | netif_carrier_on(priv->mesh_dev); |
302 | } else { | |
634b8f49 | 303 | netif_carrier_off(priv->dev); |
51d84f50 JC |
304 | netif_carrier_off(priv->mesh_dev); |
305 | } | |
876c9d3a | 306 | |
9012b28a | 307 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
308 | return 0; |
309 | } | |
310 | /** | |
311 | * @brief This function opens the mshX interface | |
312 | * | |
313 | * @param dev A pointer to net_device structure | |
314 | * @return 0 | |
315 | */ | |
e5241472 | 316 | static int libertas_mesh_open(struct net_device *dev) |
876c9d3a MT |
317 | { |
318 | wlan_private *priv = (wlan_private *) dev->priv ; | |
319 | ||
78523daa | 320 | if (pre_open_check(dev) == -1) |
876c9d3a MT |
321 | return -1; |
322 | priv->mesh_open = 1 ; | |
51d84f50 | 323 | netif_wake_queue(priv->mesh_dev); |
876c9d3a | 324 | if (priv->infra_open == 0) |
e5241472 | 325 | return libertas_dev_open(priv->dev) ; |
876c9d3a MT |
326 | return 0; |
327 | } | |
328 | ||
329 | /** | |
330 | * @brief This function opens the ethX interface | |
331 | * | |
332 | * @param dev A pointer to net_device structure | |
333 | * @return 0 | |
334 | */ | |
e5241472 | 335 | static int libertas_open(struct net_device *dev) |
876c9d3a MT |
336 | { |
337 | wlan_private *priv = (wlan_private *) dev->priv ; | |
338 | ||
339 | if(pre_open_check(dev) == -1) | |
340 | return -1; | |
341 | priv->infra_open = 1 ; | |
634b8f49 | 342 | netif_wake_queue(priv->dev); |
876c9d3a | 343 | if (priv->open == 0) |
e5241472 | 344 | return libertas_dev_open(priv->dev) ; |
876c9d3a MT |
345 | return 0; |
346 | } | |
347 | ||
e5241472 | 348 | static int libertas_dev_close(struct net_device *dev) |
876c9d3a MT |
349 | { |
350 | wlan_private *priv = dev->priv; | |
351 | ||
9012b28a | 352 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 353 | |
634b8f49 | 354 | netif_carrier_off(priv->dev); |
876c9d3a MT |
355 | priv->open = 0; |
356 | ||
9012b28a | 357 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
358 | return 0; |
359 | } | |
360 | ||
361 | /** | |
362 | * @brief This function closes the mshX interface | |
363 | * | |
364 | * @param dev A pointer to net_device structure | |
365 | * @return 0 | |
366 | */ | |
e5241472 | 367 | static int libertas_mesh_close(struct net_device *dev) |
876c9d3a MT |
368 | { |
369 | wlan_private *priv = (wlan_private *) (dev->priv); | |
370 | ||
371 | priv->mesh_open = 0; | |
372 | netif_stop_queue(priv->mesh_dev); | |
373 | if (priv->infra_open == 0) | |
e5241472 | 374 | return libertas_dev_close(dev); |
876c9d3a MT |
375 | else |
376 | return 0; | |
377 | } | |
378 | ||
379 | /** | |
380 | * @brief This function closes the ethX interface | |
381 | * | |
382 | * @param dev A pointer to net_device structure | |
383 | * @return 0 | |
384 | */ | |
e5241472 | 385 | static int libertas_close(struct net_device *dev) |
78523daa | 386 | { |
876c9d3a MT |
387 | wlan_private *priv = (wlan_private *) dev->priv; |
388 | ||
634b8f49 | 389 | netif_stop_queue(dev); |
876c9d3a MT |
390 | priv->infra_open = 0; |
391 | if (priv->mesh_open == 0) | |
e5241472 | 392 | return libertas_dev_close(dev); |
876c9d3a MT |
393 | else |
394 | return 0; | |
395 | } | |
396 | ||
397 | ||
e5241472 | 398 | static int libertas_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
876c9d3a MT |
399 | { |
400 | int ret = 0; | |
401 | wlan_private *priv = dev->priv; | |
402 | ||
9012b28a | 403 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 404 | |
634b8f49 | 405 | if (priv->dnld_sent || priv->adapter->TxLockFlag) { |
876c9d3a MT |
406 | priv->stats.tx_dropped++; |
407 | goto done; | |
408 | } | |
409 | ||
634b8f49 | 410 | netif_stop_queue(priv->dev); |
51d84f50 | 411 | netif_stop_queue(priv->mesh_dev); |
876c9d3a MT |
412 | |
413 | if (libertas_process_tx(priv, skb) == 0) | |
414 | dev->trans_start = jiffies; | |
415 | done: | |
9012b28a | 416 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
417 | return ret; |
418 | } | |
419 | ||
420 | /** | |
e5241472 | 421 | * @brief Mark mesh packets and handover them to libertas_hard_start_xmit |
876c9d3a MT |
422 | * |
423 | */ | |
e5241472 DW |
424 | static int libertas_mesh_pre_start_xmit(struct sk_buff *skb, |
425 | struct net_device *dev) | |
876c9d3a MT |
426 | { |
427 | wlan_private *priv = dev->priv; | |
9012b28a HS |
428 | int ret; |
429 | ||
430 | lbs_deb_enter(LBS_DEB_MESH); | |
431 | ||
876c9d3a | 432 | SET_MESH_FRAME(skb); |
876c9d3a | 433 | |
e5241472 | 434 | ret = libertas_hard_start_xmit(skb, priv->dev); |
9012b28a HS |
435 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); |
436 | return ret; | |
876c9d3a MT |
437 | } |
438 | ||
439 | /** | |
e5241472 | 440 | * @brief Mark non-mesh packets and handover them to libertas_hard_start_xmit |
876c9d3a MT |
441 | * |
442 | */ | |
e5241472 | 443 | static int libertas_pre_start_xmit(struct sk_buff *skb, struct net_device *dev) |
9012b28a HS |
444 | { |
445 | int ret; | |
446 | ||
447 | lbs_deb_enter(LBS_DEB_NET); | |
448 | ||
876c9d3a | 449 | UNSET_MESH_FRAME(skb); |
9012b28a | 450 | |
e5241472 | 451 | ret = libertas_hard_start_xmit(skb, dev); |
9012b28a HS |
452 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
453 | return ret; | |
876c9d3a MT |
454 | } |
455 | ||
e5241472 | 456 | static void libertas_tx_timeout(struct net_device *dev) |
876c9d3a MT |
457 | { |
458 | wlan_private *priv = (wlan_private *) dev->priv; | |
459 | ||
9012b28a | 460 | lbs_deb_enter(LBS_DEB_TX); |
876c9d3a | 461 | |
9012b28a | 462 | lbs_pr_err("tx watch dog timeout\n"); |
876c9d3a | 463 | |
634b8f49 | 464 | priv->dnld_sent = DNLD_RES_RECEIVED; |
876c9d3a MT |
465 | dev->trans_start = jiffies; |
466 | ||
467 | if (priv->adapter->currenttxskb) { | |
468 | if (priv->adapter->radiomode == WLAN_RADIOMODE_RADIOTAP) { | |
469 | /* If we are here, we have not received feedback from | |
470 | the previous packet. Assume TX_FAIL and move on. */ | |
471 | priv->adapter->eventcause = 0x01000000; | |
472 | libertas_send_tx_feedback(priv); | |
473 | } else | |
fe336150 | 474 | wake_up_interruptible(&priv->waitq); |
0aef64d7 | 475 | } else if (priv->adapter->connect_status == LIBERTAS_CONNECTED) { |
634b8f49 | 476 | netif_wake_queue(priv->dev); |
51d84f50 JC |
477 | netif_wake_queue(priv->mesh_dev); |
478 | } | |
876c9d3a | 479 | |
9012b28a | 480 | lbs_deb_leave(LBS_DEB_TX); |
876c9d3a MT |
481 | } |
482 | ||
483 | /** | |
484 | * @brief This function returns the network statistics | |
485 | * | |
486 | * @param dev A pointer to wlan_private structure | |
487 | * @return A pointer to net_device_stats structure | |
488 | */ | |
e5241472 | 489 | static struct net_device_stats *libertas_get_stats(struct net_device *dev) |
876c9d3a MT |
490 | { |
491 | wlan_private *priv = (wlan_private *) dev->priv; | |
492 | ||
493 | return &priv->stats; | |
494 | } | |
495 | ||
e5241472 | 496 | static int libertas_set_mac_address(struct net_device *dev, void *addr) |
876c9d3a MT |
497 | { |
498 | int ret = 0; | |
499 | wlan_private *priv = (wlan_private *) dev->priv; | |
500 | wlan_adapter *adapter = priv->adapter; | |
501 | struct sockaddr *phwaddr = addr; | |
502 | ||
9012b28a | 503 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 504 | |
0a0d08ac LCCR |
505 | /* In case it was called from the mesh device */ |
506 | dev = priv->dev ; | |
507 | ||
876c9d3a MT |
508 | memset(adapter->current_addr, 0, ETH_ALEN); |
509 | ||
510 | /* dev->dev_addr is 8 bytes */ | |
511 | lbs_dbg_hex("dev->dev_addr:", dev->dev_addr, ETH_ALEN); | |
512 | ||
513 | lbs_dbg_hex("addr:", phwaddr->sa_data, ETH_ALEN); | |
514 | memcpy(adapter->current_addr, phwaddr->sa_data, ETH_ALEN); | |
515 | ||
0aef64d7 DW |
516 | ret = libertas_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS, |
517 | CMD_ACT_SET, | |
518 | CMD_OPTION_WAITFORRSP, 0, NULL); | |
876c9d3a MT |
519 | |
520 | if (ret) { | |
9012b28a | 521 | lbs_deb_net("set MAC address failed\n"); |
876c9d3a MT |
522 | ret = -1; |
523 | goto done; | |
524 | } | |
525 | ||
526 | lbs_dbg_hex("adapter->macaddr:", adapter->current_addr, ETH_ALEN); | |
527 | memcpy(dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
78523daa HS |
528 | if (priv->mesh_dev) |
529 | memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN); | |
876c9d3a MT |
530 | |
531 | done: | |
9012b28a | 532 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
876c9d3a MT |
533 | return ret; |
534 | } | |
535 | ||
e5241472 | 536 | static int libertas_copy_multicast_address(wlan_adapter * adapter, |
876c9d3a MT |
537 | struct net_device *dev) |
538 | { | |
539 | int i = 0; | |
540 | struct dev_mc_list *mcptr = dev->mc_list; | |
541 | ||
542 | for (i = 0; i < dev->mc_count; i++) { | |
543 | memcpy(&adapter->multicastlist[i], mcptr->dmi_addr, ETH_ALEN); | |
544 | mcptr = mcptr->next; | |
545 | } | |
546 | ||
547 | return i; | |
548 | ||
549 | } | |
550 | ||
e5241472 | 551 | static void libertas_set_multicast_list(struct net_device *dev) |
876c9d3a MT |
552 | { |
553 | wlan_private *priv = dev->priv; | |
554 | wlan_adapter *adapter = priv->adapter; | |
555 | int oldpacketfilter; | |
556 | ||
9012b28a | 557 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
558 | |
559 | oldpacketfilter = adapter->currentpacketfilter; | |
560 | ||
561 | if (dev->flags & IFF_PROMISC) { | |
9012b28a | 562 | lbs_deb_net("enable promiscuous mode\n"); |
876c9d3a | 563 | adapter->currentpacketfilter |= |
0aef64d7 | 564 | CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a | 565 | adapter->currentpacketfilter &= |
0aef64d7 DW |
566 | ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
567 | CMD_ACT_MAC_MULTICAST_ENABLE); | |
876c9d3a MT |
568 | } else { |
569 | /* Multicast */ | |
570 | adapter->currentpacketfilter &= | |
0aef64d7 | 571 | ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
876c9d3a MT |
572 | |
573 | if (dev->flags & IFF_ALLMULTI || dev->mc_count > | |
574 | MRVDRV_MAX_MULTICAST_LIST_SIZE) { | |
9012b28a | 575 | lbs_deb_net( "enabling all multicast\n"); |
876c9d3a | 576 | adapter->currentpacketfilter |= |
0aef64d7 | 577 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a | 578 | adapter->currentpacketfilter &= |
0aef64d7 | 579 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
580 | } else { |
581 | adapter->currentpacketfilter &= | |
0aef64d7 | 582 | ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
876c9d3a MT |
583 | |
584 | if (!dev->mc_count) { | |
9012b28a HS |
585 | lbs_deb_net("no multicast addresses, " |
586 | "disabling multicast\n"); | |
876c9d3a | 587 | adapter->currentpacketfilter &= |
0aef64d7 | 588 | ~CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
589 | } else { |
590 | int i; | |
591 | ||
592 | adapter->currentpacketfilter |= | |
0aef64d7 | 593 | CMD_ACT_MAC_MULTICAST_ENABLE; |
876c9d3a MT |
594 | |
595 | adapter->nr_of_multicastmacaddr = | |
e5241472 | 596 | libertas_copy_multicast_address(adapter, dev); |
876c9d3a | 597 | |
9012b28a | 598 | lbs_deb_net("multicast addresses: %d\n", |
876c9d3a MT |
599 | dev->mc_count); |
600 | ||
601 | for (i = 0; i < dev->mc_count; i++) { | |
9012b28a HS |
602 | lbs_deb_net("Multicast address %d:" |
603 | MAC_FMT "\n", i, | |
876c9d3a MT |
604 | adapter->multicastlist[i][0], |
605 | adapter->multicastlist[i][1], | |
606 | adapter->multicastlist[i][2], | |
607 | adapter->multicastlist[i][3], | |
608 | adapter->multicastlist[i][4], | |
609 | adapter->multicastlist[i][5]); | |
610 | } | |
9012b28a | 611 | /* send multicast addresses to firmware */ |
876c9d3a | 612 | libertas_prepare_and_send_command(priv, |
0aef64d7 DW |
613 | CMD_MAC_MULTICAST_ADR, |
614 | CMD_ACT_SET, 0, 0, | |
876c9d3a MT |
615 | NULL); |
616 | } | |
617 | } | |
618 | } | |
619 | ||
620 | if (adapter->currentpacketfilter != oldpacketfilter) { | |
621 | libertas_set_mac_packet_filter(priv); | |
622 | } | |
623 | ||
9012b28a | 624 | lbs_deb_leave(LBS_DEB_NET); |
876c9d3a MT |
625 | } |
626 | ||
627 | /** | |
9012b28a HS |
628 | * @brief This function handles the major jobs in the WLAN driver. |
629 | * It handles all events generated by firmware, RX data received | |
630 | * from firmware and TX data sent from kernel. | |
876c9d3a MT |
631 | * |
632 | * @param data A pointer to wlan_thread structure | |
633 | * @return 0 | |
634 | */ | |
fe336150 | 635 | static int libertas_thread(void *data) |
876c9d3a | 636 | { |
fe336150 DW |
637 | struct net_device *dev = data; |
638 | wlan_private *priv = dev->priv; | |
876c9d3a MT |
639 | wlan_adapter *adapter = priv->adapter; |
640 | wait_queue_t wait; | |
641 | u8 ireg = 0; | |
642 | ||
9012b28a | 643 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 644 | |
876c9d3a MT |
645 | init_waitqueue_entry(&wait, current); |
646 | ||
647 | for (;;) { | |
9012b28a | 648 | lbs_deb_thread( "main-thread 111: intcounter=%d " |
876c9d3a MT |
649 | "currenttxskb=%p dnld_sent=%d\n", |
650 | adapter->intcounter, | |
634b8f49 | 651 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a | 652 | |
fe336150 | 653 | add_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
654 | set_current_state(TASK_INTERRUPTIBLE); |
655 | spin_lock_irq(&adapter->driver_lock); | |
656 | if ((adapter->psstate == PS_STATE_SLEEP) || | |
657 | (!adapter->intcounter | |
634b8f49 | 658 | && (priv->dnld_sent || adapter->cur_cmd || |
876c9d3a | 659 | list_empty(&adapter->cmdpendingq)))) { |
9012b28a | 660 | lbs_deb_thread( |
876c9d3a MT |
661 | "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n", |
662 | adapter->connect_status, adapter->intcounter, | |
663 | adapter->psmode, adapter->psstate); | |
664 | spin_unlock_irq(&adapter->driver_lock); | |
665 | schedule(); | |
666 | } else | |
667 | spin_unlock_irq(&adapter->driver_lock); | |
668 | ||
669 | ||
9012b28a | 670 | lbs_deb_thread( |
876c9d3a MT |
671 | "main-thread 222 (waking up): intcounter=%d currenttxskb=%p " |
672 | "dnld_sent=%d\n", adapter->intcounter, | |
634b8f49 | 673 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
674 | |
675 | set_current_state(TASK_RUNNING); | |
fe336150 | 676 | remove_wait_queue(&priv->waitq, &wait); |
876c9d3a MT |
677 | try_to_freeze(); |
678 | ||
9012b28a | 679 | lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
680 | "dnld_sent=%d\n", |
681 | adapter->intcounter, | |
634b8f49 | 682 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
683 | |
684 | if (kthread_should_stop() | |
685 | || adapter->surpriseremoved) { | |
9012b28a | 686 | lbs_deb_thread( |
876c9d3a MT |
687 | "main-thread: break from main thread: surpriseremoved=0x%x\n", |
688 | adapter->surpriseremoved); | |
689 | break; | |
690 | } | |
691 | ||
692 | ||
693 | spin_lock_irq(&adapter->driver_lock); | |
694 | if (adapter->intcounter) { | |
695 | u8 int_status; | |
696 | adapter->intcounter = 0; | |
208fdd2f | 697 | int_status = priv->hw_get_int_status(priv, &ireg); |
876c9d3a MT |
698 | |
699 | if (int_status) { | |
9012b28a | 700 | lbs_deb_thread( |
876c9d3a MT |
701 | "main-thread: reading HOST_INT_STATUS_REG failed\n"); |
702 | spin_unlock_irq(&adapter->driver_lock); | |
703 | continue; | |
704 | } | |
705 | adapter->hisregcpy |= ireg; | |
706 | } | |
707 | ||
9012b28a | 708 | lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p " |
876c9d3a MT |
709 | "dnld_sent=%d\n", |
710 | adapter->intcounter, | |
634b8f49 | 711 | adapter->currenttxskb, priv->dnld_sent); |
876c9d3a MT |
712 | |
713 | /* command response? */ | |
714 | if (adapter->hisregcpy & his_cmdupldrdy) { | |
9012b28a | 715 | lbs_deb_thread("main-thread: cmd response ready\n"); |
876c9d3a MT |
716 | |
717 | adapter->hisregcpy &= ~his_cmdupldrdy; | |
718 | spin_unlock_irq(&adapter->driver_lock); | |
719 | libertas_process_rx_command(priv); | |
720 | spin_lock_irq(&adapter->driver_lock); | |
721 | } | |
722 | ||
723 | /* Any Card Event */ | |
724 | if (adapter->hisregcpy & his_cardevent) { | |
9012b28a | 725 | lbs_deb_thread("main-thread: Card Event Activity\n"); |
876c9d3a MT |
726 | |
727 | adapter->hisregcpy &= ~his_cardevent; | |
728 | ||
208fdd2f | 729 | if (priv->hw_read_event_cause(priv)) { |
876c9d3a | 730 | lbs_pr_alert( |
208fdd2f | 731 | "main-thread: hw_read_event_cause failed\n"); |
876c9d3a MT |
732 | spin_unlock_irq(&adapter->driver_lock); |
733 | continue; | |
734 | } | |
735 | spin_unlock_irq(&adapter->driver_lock); | |
736 | libertas_process_event(priv); | |
737 | } else | |
738 | spin_unlock_irq(&adapter->driver_lock); | |
739 | ||
740 | /* Check if we need to confirm Sleep Request received previously */ | |
741 | if (adapter->psstate == PS_STATE_PRE_SLEEP) { | |
634b8f49 | 742 | if (!priv->dnld_sent && !adapter->cur_cmd) { |
876c9d3a | 743 | if (adapter->connect_status == |
0aef64d7 | 744 | LIBERTAS_CONNECTED) { |
9012b28a | 745 | lbs_deb_thread( |
876c9d3a MT |
746 | "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p " |
747 | "dnld_sent=%d cur_cmd=%p, confirm now\n", | |
748 | adapter->intcounter, | |
749 | adapter->currenttxskb, | |
634b8f49 | 750 | priv->dnld_sent, |
876c9d3a MT |
751 | adapter->cur_cmd); |
752 | ||
753 | libertas_ps_confirm_sleep(priv, | |
754 | (u16) adapter->psmode); | |
755 | } else { | |
756 | /* workaround for firmware sending | |
757 | * deauth/linkloss event immediately | |
758 | * after sleep request, remove this | |
759 | * after firmware fixes it | |
760 | */ | |
761 | adapter->psstate = PS_STATE_AWAKE; | |
762 | lbs_pr_alert( | |
763 | "main-thread: ignore PS_SleepConfirm in non-connected state\n"); | |
764 | } | |
765 | } | |
766 | } | |
767 | ||
768 | /* The PS state is changed during processing of Sleep Request | |
769 | * event above | |
770 | */ | |
771 | if ((priv->adapter->psstate == PS_STATE_SLEEP) || | |
772 | (priv->adapter->psstate == PS_STATE_PRE_SLEEP)) | |
773 | continue; | |
774 | ||
775 | /* Execute the next command */ | |
634b8f49 | 776 | if (!priv->dnld_sent && !priv->adapter->cur_cmd) |
876c9d3a MT |
777 | libertas_execute_next_command(priv); |
778 | ||
779 | /* Wake-up command waiters which can't sleep in | |
780 | * libertas_prepare_and_send_command | |
781 | */ | |
782 | if (!adapter->nr_cmd_pending) | |
783 | wake_up_all(&adapter->cmd_pending); | |
784 | ||
785 | libertas_tx_runqueue(priv); | |
786 | } | |
787 | ||
788 | del_timer(&adapter->command_timer); | |
789 | adapter->nr_cmd_pending = 0; | |
790 | wake_up_all(&adapter->cmd_pending); | |
876c9d3a | 791 | |
9012b28a | 792 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
793 | return 0; |
794 | } | |
795 | ||
796 | /** | |
797 | * @brief This function adds the card. it will probe the | |
798 | * card, allocate the wlan_priv and initialize the device. | |
799 | * | |
800 | * @param card A pointer to card | |
801 | * @return A pointer to wlan_private structure | |
802 | */ | |
7732ca45 | 803 | wlan_private *libertas_add_card(void *card, struct device *dmdev) |
876c9d3a MT |
804 | { |
805 | struct net_device *dev = NULL; | |
876c9d3a MT |
806 | wlan_private *priv = NULL; |
807 | ||
9012b28a | 808 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a MT |
809 | |
810 | /* Allocate an Ethernet device and register it */ | |
811 | if (!(dev = alloc_etherdev(sizeof(wlan_private)))) { | |
9012b28a | 812 | lbs_pr_err("init ethX device failed\n"); |
876c9d3a MT |
813 | return NULL; |
814 | } | |
876c9d3a MT |
815 | priv = dev->priv; |
816 | ||
817 | /* allocate buffer for wlan_adapter */ | |
fb3dddf2 | 818 | if (!(priv->adapter = kzalloc(sizeof(wlan_adapter), GFP_KERNEL))) { |
9012b28a | 819 | lbs_pr_err("allocate buffer for wlan_adapter failed\n"); |
fb3dddf2 | 820 | goto err_kzalloc; |
876c9d3a MT |
821 | } |
822 | ||
634b8f49 HS |
823 | priv->dev = dev; |
824 | priv->card = card; | |
876c9d3a MT |
825 | priv->mesh_open = 0; |
826 | priv->infra_open = 0; | |
876c9d3a MT |
827 | |
828 | SET_MODULE_OWNER(dev); | |
876c9d3a MT |
829 | |
830 | /* Setup the OS Interface to our functions */ | |
e5241472 DW |
831 | dev->open = libertas_open; |
832 | dev->hard_start_xmit = libertas_pre_start_xmit; | |
833 | dev->stop = libertas_close; | |
834 | dev->set_mac_address = libertas_set_mac_address; | |
835 | dev->tx_timeout = libertas_tx_timeout; | |
836 | dev->get_stats = libertas_get_stats; | |
fb3dddf2 | 837 | dev->watchdog_timeo = 5 * HZ; |
876c9d3a | 838 | dev->ethtool_ops = &libertas_ethtool_ops; |
876c9d3a MT |
839 | #ifdef WIRELESS_EXT |
840 | dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def; | |
876c9d3a MT |
841 | #endif |
842 | #define NETIF_F_DYNALLOC 16 | |
843 | dev->features |= NETIF_F_DYNALLOC; | |
844 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; | |
e5241472 | 845 | dev->set_multicast_list = libertas_set_multicast_list; |
876c9d3a | 846 | |
7732ca45 DW |
847 | SET_NETDEV_DEV(dev, dmdev); |
848 | ||
876c9d3a MT |
849 | INIT_LIST_HEAD(&priv->adapter->cmdfreeq); |
850 | INIT_LIST_HEAD(&priv->adapter->cmdpendingq); | |
851 | ||
852 | spin_lock_init(&priv->adapter->driver_lock); | |
853 | init_waitqueue_head(&priv->adapter->cmd_pending); | |
854 | priv->adapter->nr_cmd_pending = 0; | |
32a74b7c HS |
855 | goto done; |
856 | ||
857 | err_kzalloc: | |
858 | free_netdev(dev); | |
6a812157 | 859 | priv = NULL; |
32a74b7c HS |
860 | done: |
861 | lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv); | |
862 | return priv; | |
863 | } | |
084708b6 | 864 | EXPORT_SYMBOL_GPL(libertas_add_card); |
32a74b7c | 865 | |
084708b6 | 866 | int libertas_activate_card(wlan_private *priv, char *fw_name) |
32a74b7c | 867 | { |
634b8f49 | 868 | struct net_device *dev = priv->dev; |
32a74b7c HS |
869 | int ret = -1; |
870 | ||
871 | lbs_deb_enter(LBS_DEB_MAIN); | |
876c9d3a | 872 | |
fe336150 DW |
873 | lbs_deb_thread("Starting main thread...\n"); |
874 | init_waitqueue_head(&priv->waitq); | |
875 | priv->main_thread = kthread_run(libertas_thread, dev, "libertas_main"); | |
876 | if (IS_ERR(priv->main_thread)) { | |
877 | lbs_deb_thread("Error creating main thread.\n"); | |
878 | goto done; | |
879 | } | |
876c9d3a MT |
880 | |
881 | priv->assoc_thread = | |
882 | create_singlethread_workqueue("libertas_assoc"); | |
eb3ce631 | 883 | INIT_DELAYED_WORK(&priv->assoc_work, libertas_association_worker); |
b8bedefd | 884 | INIT_WORK(&priv->sync_channel, libertas_sync_channel); |
876c9d3a MT |
885 | |
886 | /* | |
887 | * Register the device. Fillup the private data structure with | |
888 | * relevant information from the card and request for the required | |
889 | * IRQ. | |
890 | */ | |
208fdd2f | 891 | if (priv->hw_register_dev(priv) < 0) { |
9012b28a | 892 | lbs_pr_err("failed to register WLAN device\n"); |
876c9d3a MT |
893 | goto err_registerdev; |
894 | } | |
895 | ||
896 | /* init FW and HW */ | |
084708b6 | 897 | if (fw_name && libertas_init_fw(priv, fw_name)) { |
9012b28a | 898 | lbs_pr_err("firmware init failed\n"); |
876c9d3a MT |
899 | goto err_registerdev; |
900 | } | |
901 | ||
902 | if (register_netdev(dev)) { | |
9012b28a | 903 | lbs_pr_err("cannot register ethX device\n"); |
876c9d3a MT |
904 | goto err_init_fw; |
905 | } | |
906 | ||
9012b28a | 907 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
876c9d3a MT |
908 | |
909 | libertas_debugfs_init_one(priv, dev); | |
910 | ||
32a74b7c HS |
911 | ret = 0; |
912 | goto done; | |
876c9d3a | 913 | |
876c9d3a | 914 | err_init_fw: |
208fdd2f | 915 | priv->hw_unregister_dev(priv); |
876c9d3a MT |
916 | err_registerdev: |
917 | destroy_workqueue(priv->assoc_thread); | |
918 | /* Stop the thread servicing the interrupts */ | |
fe336150 DW |
919 | wake_up_interruptible(&priv->waitq); |
920 | kthread_stop(priv->main_thread); | |
32a74b7c HS |
921 | done: |
922 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); | |
923 | return ret; | |
876c9d3a | 924 | } |
084708b6 HS |
925 | EXPORT_SYMBOL_GPL(libertas_activate_card); |
926 | ||
876c9d3a | 927 | |
78523daa HS |
928 | /** |
929 | * @brief This function adds mshX interface | |
930 | * | |
931 | * @param priv A pointer to the wlan_private structure | |
932 | * @return 0 if successful, -X otherwise | |
933 | */ | |
7732ca45 | 934 | int libertas_add_mesh(wlan_private *priv, struct device *dev) |
78523daa HS |
935 | { |
936 | struct net_device *mesh_dev = NULL; | |
937 | int ret = 0; | |
938 | ||
939 | lbs_deb_enter(LBS_DEB_MESH); | |
940 | ||
941 | /* Allocate a virtual mesh device */ | |
942 | if (!(mesh_dev = alloc_netdev(0, "msh%d", ether_setup))) { | |
943 | lbs_deb_mesh("init mshX device failed\n"); | |
944 | ret = -ENOMEM; | |
945 | goto done; | |
946 | } | |
947 | mesh_dev->priv = priv; | |
948 | priv->mesh_dev = mesh_dev; | |
949 | ||
950 | SET_MODULE_OWNER(mesh_dev); | |
951 | ||
e5241472 DW |
952 | mesh_dev->open = libertas_mesh_open; |
953 | mesh_dev->hard_start_xmit = libertas_mesh_pre_start_xmit; | |
954 | mesh_dev->stop = libertas_mesh_close; | |
955 | mesh_dev->get_stats = libertas_get_stats; | |
956 | mesh_dev->set_mac_address = libertas_set_mac_address; | |
78523daa | 957 | mesh_dev->ethtool_ops = &libertas_ethtool_ops; |
634b8f49 HS |
958 | memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, |
959 | sizeof(priv->dev->dev_addr)); | |
78523daa | 960 | |
7732ca45 DW |
961 | SET_NETDEV_DEV(priv->mesh_dev, dev); |
962 | ||
78523daa | 963 | #ifdef WIRELESS_EXT |
f5e05b69 | 964 | mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def; |
78523daa HS |
965 | #endif |
966 | #define NETIF_F_DYNALLOC 16 | |
967 | ||
968 | /* Register virtual mesh interface */ | |
969 | ret = register_netdev(mesh_dev); | |
970 | if (ret) { | |
971 | lbs_pr_err("cannot register mshX virtual interface\n"); | |
972 | goto err_free; | |
973 | } | |
974 | ||
82fde74b | 975 | ret = device_create_file(&(mesh_dev->dev), &dev_attr_anycast_mask); |
78523daa HS |
976 | if (ret) |
977 | goto err_unregister; | |
978 | ||
979 | /* Everything successful */ | |
980 | ret = 0; | |
981 | goto done; | |
982 | ||
983 | ||
984 | err_unregister: | |
985 | unregister_netdev(mesh_dev); | |
986 | ||
987 | err_free: | |
988 | free_netdev(mesh_dev); | |
989 | ||
990 | done: | |
991 | lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret); | |
992 | return ret; | |
993 | } | |
084708b6 | 994 | EXPORT_SYMBOL_GPL(libertas_add_mesh); |
78523daa | 995 | |
876c9d3a MT |
996 | static void wake_pending_cmdnodes(wlan_private *priv) |
997 | { | |
998 | struct cmd_ctrl_node *cmdnode; | |
999 | unsigned long flags; | |
1000 | ||
9012b28a HS |
1001 | lbs_deb_enter(LBS_DEB_CMD); |
1002 | ||
876c9d3a MT |
1003 | spin_lock_irqsave(&priv->adapter->driver_lock, flags); |
1004 | list_for_each_entry(cmdnode, &priv->adapter->cmdpendingq, list) { | |
1005 | cmdnode->cmdwaitqwoken = 1; | |
1006 | wake_up_interruptible(&cmdnode->cmdwait_q); | |
1007 | } | |
1008 | spin_unlock_irqrestore(&priv->adapter->driver_lock, flags); | |
1009 | } | |
1010 | ||
1011 | ||
084708b6 | 1012 | int libertas_remove_card(wlan_private *priv) |
876c9d3a | 1013 | { |
876c9d3a MT |
1014 | wlan_adapter *adapter; |
1015 | struct net_device *dev; | |
876c9d3a | 1016 | union iwreq_data wrqu; |
876c9d3a | 1017 | |
9012b28a | 1018 | lbs_deb_enter(LBS_DEB_NET); |
876c9d3a | 1019 | |
9012b28a HS |
1020 | if (!priv) |
1021 | goto out; | |
876c9d3a MT |
1022 | |
1023 | adapter = priv->adapter; | |
1024 | ||
9012b28a HS |
1025 | if (!adapter) |
1026 | goto out; | |
876c9d3a | 1027 | |
634b8f49 | 1028 | dev = priv->dev; |
876c9d3a | 1029 | |
634b8f49 HS |
1030 | netif_stop_queue(priv->dev); |
1031 | netif_carrier_off(priv->dev); | |
876c9d3a MT |
1032 | |
1033 | wake_pending_cmdnodes(priv); | |
1034 | ||
876c9d3a MT |
1035 | unregister_netdev(dev); |
1036 | ||
1037 | cancel_delayed_work(&priv->assoc_work); | |
1038 | destroy_workqueue(priv->assoc_thread); | |
1039 | ||
0aef64d7 DW |
1040 | if (adapter->psmode == WLAN802_11POWERMODEMAX_PSP) { |
1041 | adapter->psmode = WLAN802_11POWERMODECAM; | |
1042 | libertas_ps_wakeup(priv, CMD_OPTION_WAITFORRSP); | |
876c9d3a MT |
1043 | } |
1044 | ||
1045 | memset(wrqu.ap_addr.sa_data, 0xaa, ETH_ALEN); | |
1046 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
634b8f49 | 1047 | wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); |
876c9d3a | 1048 | |
876c9d3a MT |
1049 | adapter->surpriseremoved = 1; |
1050 | ||
1051 | /* Stop the thread servicing the interrupts */ | |
fe336150 | 1052 | kthread_stop(priv->main_thread); |
876c9d3a MT |
1053 | |
1054 | libertas_debugfs_remove_one(priv); | |
1055 | ||
9012b28a | 1056 | lbs_deb_net("free adapter\n"); |
876c9d3a MT |
1057 | libertas_free_adapter(priv); |
1058 | ||
9012b28a | 1059 | lbs_deb_net("unregister finish\n"); |
876c9d3a | 1060 | |
634b8f49 | 1061 | priv->dev = NULL; |
876c9d3a | 1062 | free_netdev(dev); |
876c9d3a | 1063 | |
9012b28a HS |
1064 | out: |
1065 | lbs_deb_leave(LBS_DEB_NET); | |
876c9d3a MT |
1066 | return 0; |
1067 | } | |
084708b6 | 1068 | EXPORT_SYMBOL_GPL(libertas_remove_card); |
876c9d3a | 1069 | |
084708b6 HS |
1070 | |
1071 | void libertas_remove_mesh(wlan_private *priv) | |
78523daa HS |
1072 | { |
1073 | struct net_device *mesh_dev; | |
1074 | ||
1075 | lbs_deb_enter(LBS_DEB_NET); | |
1076 | ||
1077 | if (!priv) | |
1078 | goto out; | |
1079 | ||
1080 | mesh_dev = priv->mesh_dev; | |
1081 | ||
1082 | netif_stop_queue(mesh_dev); | |
51d84f50 | 1083 | netif_carrier_off(priv->mesh_dev); |
78523daa | 1084 | |
82fde74b | 1085 | device_remove_file(&(mesh_dev->dev), &dev_attr_anycast_mask); |
78523daa HS |
1086 | unregister_netdev(mesh_dev); |
1087 | ||
1088 | priv->mesh_dev = NULL ; | |
1089 | free_netdev(mesh_dev); | |
1090 | ||
1091 | out: | |
1092 | lbs_deb_leave(LBS_DEB_NET); | |
1093 | } | |
084708b6 | 1094 | EXPORT_SYMBOL_GPL(libertas_remove_mesh); |
78523daa | 1095 | |
876c9d3a MT |
1096 | /** |
1097 | * @brief This function finds the CFP in | |
1098 | * region_cfp_table based on region and band parameter. | |
1099 | * | |
1100 | * @param region The region code | |
1101 | * @param band The band | |
1102 | * @param cfp_no A pointer to CFP number | |
1103 | * @return A pointer to CFP | |
1104 | */ | |
1105 | struct chan_freq_power *libertas_get_region_cfp_table(u8 region, u8 band, int *cfp_no) | |
1106 | { | |
1107 | int i, end; | |
1108 | ||
9012b28a | 1109 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1110 | |
1111 | end = sizeof(region_cfp_table)/sizeof(struct region_cfp_table); | |
1112 | ||
1113 | for (i = 0; i < end ; i++) { | |
9012b28a | 1114 | lbs_deb_main("region_cfp_table[i].region=%d\n", |
876c9d3a MT |
1115 | region_cfp_table[i].region); |
1116 | if (region_cfp_table[i].region == region) { | |
1117 | *cfp_no = region_cfp_table[i].cfp_no_BG; | |
9012b28a | 1118 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1119 | return region_cfp_table[i].cfp_BG; |
1120 | } | |
1121 | } | |
1122 | ||
9012b28a | 1123 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL"); |
876c9d3a MT |
1124 | return NULL; |
1125 | } | |
1126 | ||
1127 | int libertas_set_regiontable(wlan_private * priv, u8 region, u8 band) | |
1128 | { | |
1129 | wlan_adapter *adapter = priv->adapter; | |
9012b28a | 1130 | int ret = 0; |
876c9d3a MT |
1131 | int i = 0; |
1132 | ||
1133 | struct chan_freq_power *cfp; | |
1134 | int cfp_no; | |
1135 | ||
9012b28a | 1136 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a MT |
1137 | |
1138 | memset(adapter->region_channel, 0, sizeof(adapter->region_channel)); | |
1139 | ||
1140 | { | |
1141 | cfp = libertas_get_region_cfp_table(region, band, &cfp_no); | |
1142 | if (cfp != NULL) { | |
1143 | adapter->region_channel[i].nrcfp = cfp_no; | |
1144 | adapter->region_channel[i].CFP = cfp; | |
1145 | } else { | |
9012b28a | 1146 | lbs_deb_main("wrong region code %#x in band B/G\n", |
876c9d3a | 1147 | region); |
9012b28a HS |
1148 | ret = -1; |
1149 | goto out; | |
876c9d3a MT |
1150 | } |
1151 | adapter->region_channel[i].valid = 1; | |
1152 | adapter->region_channel[i].region = region; | |
1153 | adapter->region_channel[i].band = band; | |
1154 | i++; | |
1155 | } | |
9012b28a HS |
1156 | out: |
1157 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1158 | return ret; | |
876c9d3a MT |
1159 | } |
1160 | ||
1161 | /** | |
1162 | * @brief This function handles the interrupt. it will change PS | |
1163 | * state if applicable. it will wake up main_thread to handle | |
1164 | * the interrupt event as well. | |
1165 | * | |
1166 | * @param dev A pointer to net_device structure | |
1167 | * @return n/a | |
1168 | */ | |
1169 | void libertas_interrupt(struct net_device *dev) | |
1170 | { | |
1171 | wlan_private *priv = dev->priv; | |
1172 | ||
ed37b516 | 1173 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1174 | |
ed37b516 | 1175 | lbs_deb_thread("libertas_interrupt: intcounter=%d\n", |
876c9d3a MT |
1176 | priv->adapter->intcounter); |
1177 | ||
1178 | priv->adapter->intcounter++; | |
1179 | ||
1180 | if (priv->adapter->psstate == PS_STATE_SLEEP) { | |
1181 | priv->adapter->psstate = PS_STATE_AWAKE; | |
1182 | netif_wake_queue(dev); | |
51d84f50 | 1183 | netif_wake_queue(priv->mesh_dev); |
876c9d3a MT |
1184 | } |
1185 | ||
fe336150 | 1186 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1187 | |
ed37b516 | 1188 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a | 1189 | } |
084708b6 | 1190 | EXPORT_SYMBOL_GPL(libertas_interrupt); |
876c9d3a | 1191 | |
eedc2a31 DW |
1192 | int libertas_reset_device(wlan_private *priv) |
1193 | { | |
1194 | int ret; | |
1195 | ||
1196 | lbs_deb_enter(LBS_DEB_MAIN); | |
1197 | ret = libertas_prepare_and_send_command(priv, CMD_802_11_RESET, | |
1198 | CMD_ACT_HALT, 0, 0, NULL); | |
1199 | msleep_interruptible(10); | |
1200 | ||
1201 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); | |
1202 | return ret; | |
1203 | } | |
1204 | EXPORT_SYMBOL_GPL(libertas_reset_device); | |
1205 | ||
084708b6 | 1206 | static int libertas_init_module(void) |
876c9d3a | 1207 | { |
9012b28a | 1208 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1209 | libertas_debugfs_init(); |
084708b6 HS |
1210 | lbs_deb_leave(LBS_DEB_MAIN); |
1211 | return 0; | |
876c9d3a MT |
1212 | } |
1213 | ||
084708b6 | 1214 | static void libertas_exit_module(void) |
876c9d3a | 1215 | { |
9012b28a | 1216 | lbs_deb_enter(LBS_DEB_MAIN); |
876c9d3a | 1217 | |
876c9d3a MT |
1218 | libertas_debugfs_remove(); |
1219 | ||
9012b28a | 1220 | lbs_deb_leave(LBS_DEB_MAIN); |
876c9d3a MT |
1221 | } |
1222 | ||
084708b6 HS |
1223 | module_init(libertas_init_module); |
1224 | module_exit(libertas_exit_module); | |
876c9d3a | 1225 | |
084708b6 | 1226 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
876c9d3a MT |
1227 | MODULE_AUTHOR("Marvell International Ltd."); |
1228 | MODULE_LICENSE("GPL"); |