Commit | Line | Data |
---|---|---|
09dde54c MM |
1 | /* |
2 | * PS3 gelic network driver. | |
3 | * | |
4 | * Copyright (C) 2007 Sony Computer Entertainment Inc. | |
5 | * Copyright 2007 Sony Corporation | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 | |
9 | * as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | #undef DEBUG | |
21 | ||
22 | #include <linux/kernel.h> | |
23 | #include <linux/module.h> | |
24 | ||
25 | #include <linux/etherdevice.h> | |
26 | #include <linux/ethtool.h> | |
27 | #include <linux/if_vlan.h> | |
28 | ||
29 | #include <linux/in.h> | |
30 | #include <linux/ip.h> | |
31 | #include <linux/tcp.h> | |
32 | #include <linux/wireless.h> | |
2c706002 JB |
33 | #include <linux/ieee80211.h> |
34 | #include <linux/if_arp.h> | |
09dde54c MM |
35 | #include <linux/ctype.h> |
36 | #include <linux/string.h> | |
37 | #include <net/iw_handler.h> | |
09dde54c MM |
38 | |
39 | #include <linux/dma-mapping.h> | |
40 | #include <net/checksum.h> | |
41 | #include <asm/firmware.h> | |
42 | #include <asm/ps3.h> | |
43 | #include <asm/lv1call.h> | |
44 | ||
45 | #include "ps3_gelic_net.h" | |
46 | #include "ps3_gelic_wireless.h" | |
47 | ||
48 | ||
7fd871ed MM |
49 | static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan, |
50 | u8 *essid, size_t essid_len); | |
09dde54c MM |
51 | static int gelic_wl_try_associate(struct net_device *netdev); |
52 | ||
53 | /* | |
54 | * tables | |
55 | */ | |
56 | ||
57 | /* 802.11b/g channel to freq in MHz */ | |
58 | static const int channel_freq[] = { | |
59 | 2412, 2417, 2422, 2427, 2432, | |
60 | 2437, 2442, 2447, 2452, 2457, | |
61 | 2462, 2467, 2472, 2484 | |
62 | }; | |
63 | #define NUM_CHANNELS ARRAY_SIZE(channel_freq) | |
64 | ||
65 | /* in bps */ | |
66 | static const int bitrate_list[] = { | |
67 | 1000000, | |
68 | 2000000, | |
69 | 5500000, | |
70 | 11000000, | |
71 | 6000000, | |
72 | 9000000, | |
73 | 12000000, | |
74 | 18000000, | |
75 | 24000000, | |
76 | 36000000, | |
77 | 48000000, | |
78 | 54000000 | |
79 | }; | |
80 | #define NUM_BITRATES ARRAY_SIZE(bitrate_list) | |
81 | ||
82 | /* | |
83 | * wpa2 support requires the hypervisor version 2.0 or later | |
84 | */ | |
85 | static inline int wpa2_capable(void) | |
86 | { | |
87 | return (0 <= ps3_compare_firmware_version(2, 0, 0)); | |
88 | } | |
89 | ||
90 | static inline int precise_ie(void) | |
91 | { | |
49d20fac | 92 | return (0 <= ps3_compare_firmware_version(2, 2, 0)); |
09dde54c MM |
93 | } |
94 | /* | |
95 | * post_eurus_cmd helpers | |
96 | */ | |
97 | struct eurus_cmd_arg_info { | |
98 | int pre_arg; /* command requres arg1, arg2 at POST COMMAND */ | |
99 | int post_arg; /* command requires arg1, arg2 at GET_RESULT */ | |
100 | }; | |
101 | ||
102 | static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = { | |
103 | [GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1}, | |
104 | [GELIC_EURUS_CMD_SET_WEP_CFG] = { .pre_arg = 1}, | |
105 | [GELIC_EURUS_CMD_SET_WPA_CFG] = { .pre_arg = 1}, | |
106 | [GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1}, | |
107 | [GELIC_EURUS_CMD_GET_WEP_CFG] = { .post_arg = 1}, | |
108 | [GELIC_EURUS_CMD_GET_WPA_CFG] = { .post_arg = 1}, | |
109 | [GELIC_EURUS_CMD_GET_RSSI_CFG] = { .post_arg = 1}, | |
7fd871ed | 110 | [GELIC_EURUS_CMD_START_SCAN] = { .pre_arg = 1}, |
09dde54c MM |
111 | [GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1}, |
112 | }; | |
113 | ||
114 | #ifdef DEBUG | |
115 | static const char *cmdstr(enum gelic_eurus_command ix) | |
116 | { | |
117 | switch (ix) { | |
118 | case GELIC_EURUS_CMD_ASSOC: | |
119 | return "ASSOC"; | |
120 | case GELIC_EURUS_CMD_DISASSOC: | |
121 | return "DISASSOC"; | |
122 | case GELIC_EURUS_CMD_START_SCAN: | |
123 | return "SCAN"; | |
124 | case GELIC_EURUS_CMD_GET_SCAN: | |
125 | return "GET SCAN"; | |
126 | case GELIC_EURUS_CMD_SET_COMMON_CFG: | |
127 | return "SET_COMMON_CFG"; | |
128 | case GELIC_EURUS_CMD_GET_COMMON_CFG: | |
129 | return "GET_COMMON_CFG"; | |
130 | case GELIC_EURUS_CMD_SET_WEP_CFG: | |
131 | return "SET_WEP_CFG"; | |
132 | case GELIC_EURUS_CMD_GET_WEP_CFG: | |
133 | return "GET_WEP_CFG"; | |
134 | case GELIC_EURUS_CMD_SET_WPA_CFG: | |
135 | return "SET_WPA_CFG"; | |
136 | case GELIC_EURUS_CMD_GET_WPA_CFG: | |
137 | return "GET_WPA_CFG"; | |
138 | case GELIC_EURUS_CMD_GET_RSSI_CFG: | |
139 | return "GET_RSSI"; | |
140 | default: | |
141 | break; | |
142 | } | |
143 | return ""; | |
144 | }; | |
145 | #else | |
146 | static inline const char *cmdstr(enum gelic_eurus_command ix) | |
147 | { | |
148 | return ""; | |
149 | } | |
150 | #endif | |
151 | ||
152 | /* synchronously do eurus commands */ | |
153 | static void gelic_eurus_sync_cmd_worker(struct work_struct *work) | |
154 | { | |
155 | struct gelic_eurus_cmd *cmd; | |
156 | struct gelic_card *card; | |
157 | struct gelic_wl_info *wl; | |
158 | ||
159 | u64 arg1, arg2; | |
160 | ||
161 | pr_debug("%s: <-\n", __func__); | |
162 | cmd = container_of(work, struct gelic_eurus_cmd, work); | |
163 | BUG_ON(cmd_info[cmd->cmd].pre_arg && | |
164 | cmd_info[cmd->cmd].post_arg); | |
165 | wl = cmd->wl; | |
166 | card = port_to_card(wl_port(wl)); | |
167 | ||
168 | if (cmd_info[cmd->cmd].pre_arg) { | |
7fd871ed MM |
169 | arg1 = (cmd->buffer) ? |
170 | ps3_mm_phys_to_lpar(__pa(cmd->buffer)) : | |
171 | 0; | |
09dde54c MM |
172 | arg2 = cmd->buf_size; |
173 | } else { | |
174 | arg1 = 0; | |
175 | arg2 = 0; | |
176 | } | |
177 | init_completion(&wl->cmd_done_intr); | |
178 | pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd)); | |
179 | cmd->status = lv1_net_control(bus_id(card), dev_id(card), | |
180 | GELIC_LV1_POST_WLAN_CMD, | |
181 | cmd->cmd, arg1, arg2, | |
182 | &cmd->tag, &cmd->size); | |
183 | if (cmd->status) { | |
184 | complete(&cmd->done); | |
185 | pr_info("%s: cmd issue failed\n", __func__); | |
186 | return; | |
187 | } | |
188 | ||
189 | wait_for_completion(&wl->cmd_done_intr); | |
190 | ||
191 | if (cmd_info[cmd->cmd].post_arg) { | |
192 | arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer)); | |
193 | arg2 = cmd->buf_size; | |
194 | } else { | |
195 | arg1 = 0; | |
196 | arg2 = 0; | |
197 | } | |
198 | ||
199 | cmd->status = lv1_net_control(bus_id(card), dev_id(card), | |
200 | GELIC_LV1_GET_WLAN_CMD_RESULT, | |
201 | cmd->tag, arg1, arg2, | |
202 | &cmd->cmd_status, &cmd->size); | |
203 | #ifdef DEBUG | |
204 | if (cmd->status || cmd->cmd_status) { | |
205 | pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__, | |
206 | cmd->tag, arg1, arg2); | |
207 | pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n", | |
208 | __func__, cmd->status, cmd->cmd_status, cmd->size); | |
209 | } | |
210 | #endif | |
211 | complete(&cmd->done); | |
212 | pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd)); | |
213 | } | |
214 | ||
215 | static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl, | |
216 | unsigned int eurus_cmd, | |
217 | void *buffer, | |
218 | unsigned int buf_size) | |
219 | { | |
220 | struct gelic_eurus_cmd *cmd; | |
221 | ||
222 | /* allocate cmd */ | |
223 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
224 | if (!cmd) | |
225 | return NULL; | |
226 | ||
227 | /* initialize members */ | |
228 | cmd->cmd = eurus_cmd; | |
229 | cmd->buffer = buffer; | |
230 | cmd->buf_size = buf_size; | |
231 | cmd->wl = wl; | |
232 | INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker); | |
233 | init_completion(&cmd->done); | |
234 | queue_work(wl->eurus_cmd_queue, &cmd->work); | |
235 | ||
236 | /* wait for command completion */ | |
237 | wait_for_completion(&cmd->done); | |
238 | ||
239 | return cmd; | |
240 | } | |
241 | ||
242 | static u32 gelic_wl_get_link(struct net_device *netdev) | |
243 | { | |
244 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); | |
245 | u32 ret; | |
246 | ||
247 | pr_debug("%s: <-\n", __func__); | |
bb2d67a3 | 248 | mutex_lock(&wl->assoc_stat_lock); |
09dde54c MM |
249 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) |
250 | ret = 1; | |
251 | else | |
252 | ret = 0; | |
bb2d67a3 | 253 | mutex_unlock(&wl->assoc_stat_lock); |
09dde54c MM |
254 | pr_debug("%s: ->\n", __func__); |
255 | return ret; | |
256 | } | |
257 | ||
258 | static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid) | |
259 | { | |
260 | union iwreq_data data; | |
261 | ||
262 | memset(&data, 0, sizeof(data)); | |
263 | if (bssid) | |
264 | memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN); | |
265 | data.ap_addr.sa_family = ARPHRD_ETHER; | |
266 | wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP, | |
267 | &data, NULL); | |
268 | } | |
269 | ||
270 | /* | |
271 | * wireless extension handlers and helpers | |
272 | */ | |
273 | ||
274 | /* SIOGIWNAME */ | |
275 | static int gelic_wl_get_name(struct net_device *dev, | |
276 | struct iw_request_info *info, | |
277 | union iwreq_data *iwreq, char *extra) | |
278 | { | |
279 | strcpy(iwreq->name, "IEEE 802.11bg"); | |
280 | return 0; | |
281 | } | |
282 | ||
283 | static void gelic_wl_get_ch_info(struct gelic_wl_info *wl) | |
284 | { | |
285 | struct gelic_card *card = port_to_card(wl_port(wl)); | |
286 | u64 ch_info_raw, tmp; | |
287 | int status; | |
288 | ||
289 | if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) { | |
290 | status = lv1_net_control(bus_id(card), dev_id(card), | |
291 | GELIC_LV1_GET_CHANNEL, 0, 0, 0, | |
292 | &ch_info_raw, | |
293 | &tmp); | |
294 | /* some fw versions may return error */ | |
295 | if (status) { | |
296 | if (status != LV1_NO_ENTRY) | |
297 | pr_info("%s: available ch unknown\n", __func__); | |
298 | wl->ch_info = 0x07ff;/* 11 ch */ | |
299 | } else | |
300 | /* 16 bits of MSB has available channels */ | |
301 | wl->ch_info = ch_info_raw >> 48; | |
302 | } | |
303 | return; | |
304 | } | |
305 | ||
306 | /* SIOGIWRANGE */ | |
307 | static int gelic_wl_get_range(struct net_device *netdev, | |
308 | struct iw_request_info *info, | |
309 | union iwreq_data *iwreq, char *extra) | |
310 | { | |
311 | struct iw_point *point = &iwreq->data; | |
312 | struct iw_range *range = (struct iw_range *)extra; | |
313 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); | |
314 | unsigned int i, chs; | |
315 | ||
316 | pr_debug("%s: <-\n", __func__); | |
317 | point->length = sizeof(struct iw_range); | |
318 | memset(range, 0, sizeof(struct iw_range)); | |
319 | ||
320 | range->we_version_compiled = WIRELESS_EXT; | |
321 | range->we_version_source = 22; | |
322 | ||
323 | /* available channels and frequencies */ | |
324 | gelic_wl_get_ch_info(wl); | |
325 | ||
326 | for (i = 0, chs = 0; | |
327 | i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++) | |
328 | if (wl->ch_info & (1 << i)) { | |
329 | range->freq[chs].i = i + 1; | |
330 | range->freq[chs].m = channel_freq[i]; | |
331 | range->freq[chs].e = 6; | |
332 | chs++; | |
333 | } | |
334 | range->num_frequency = chs; | |
335 | range->old_num_frequency = chs; | |
336 | range->num_channels = chs; | |
337 | range->old_num_channels = chs; | |
338 | ||
339 | /* bitrates */ | |
340 | for (i = 0; i < NUM_BITRATES; i++) | |
341 | range->bitrate[i] = bitrate_list[i]; | |
342 | range->num_bitrates = i; | |
343 | ||
344 | /* signal levels */ | |
345 | range->max_qual.qual = 100; /* relative value */ | |
346 | range->max_qual.level = 100; | |
347 | range->avg_qual.qual = 50; | |
348 | range->avg_qual.level = 50; | |
349 | range->sensitivity = 0; | |
350 | ||
351 | /* Event capability */ | |
352 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); | |
353 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); | |
354 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); | |
355 | ||
356 | /* encryption capability */ | |
357 | range->enc_capa = IW_ENC_CAPA_WPA | | |
04b2046c MM |
358 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP | |
359 | IW_ENC_CAPA_4WAY_HANDSHAKE; | |
09dde54c MM |
360 | if (wpa2_capable()) |
361 | range->enc_capa |= IW_ENC_CAPA_WPA2; | |
362 | range->encoding_size[0] = 5; /* 40bit WEP */ | |
363 | range->encoding_size[1] = 13; /* 104bit WEP */ | |
364 | range->encoding_size[2] = 32; /* WPA-PSK */ | |
365 | range->num_encoding_sizes = 3; | |
366 | range->max_encoding_tokens = GELIC_WEP_KEYS; | |
367 | ||
7fd871ed MM |
368 | /* scan capability */ |
369 | range->scan_capa = IW_SCAN_CAPA_ESSID; | |
370 | ||
09dde54c MM |
371 | pr_debug("%s: ->\n", __func__); |
372 | return 0; | |
373 | ||
374 | } | |
375 | ||
376 | /* SIOC{G,S}IWSCAN */ | |
377 | static int gelic_wl_set_scan(struct net_device *netdev, | |
378 | struct iw_request_info *info, | |
379 | union iwreq_data *wrqu, char *extra) | |
380 | { | |
381 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
7fd871ed MM |
382 | struct iw_scan_req *req; |
383 | u8 *essid = NULL; | |
384 | size_t essid_len = 0; | |
385 | ||
386 | if (wrqu->data.length == sizeof(struct iw_scan_req) && | |
387 | wrqu->data.flags & IW_SCAN_THIS_ESSID) { | |
388 | req = (struct iw_scan_req*)extra; | |
389 | essid = req->essid; | |
390 | essid_len = req->essid_len; | |
391 | pr_debug("%s: ESSID scan =%s\n", __func__, essid); | |
392 | } | |
393 | return gelic_wl_start_scan(wl, 1, essid, essid_len); | |
09dde54c MM |
394 | } |
395 | ||
396 | #define OUI_LEN 3 | |
397 | static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac }; | |
398 | static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 }; | |
399 | ||
400 | /* | |
401 | * synthesize WPA/RSN IE data | |
402 | * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25 | |
403 | * for the format | |
404 | */ | |
405 | static size_t gelic_wl_synthesize_ie(u8 *buf, | |
406 | struct gelic_eurus_scan_info *scan) | |
407 | { | |
408 | ||
409 | const u8 *oui_header; | |
410 | u8 *start = buf; | |
411 | int rsn; | |
412 | int ccmp; | |
413 | ||
414 | pr_debug("%s: <- sec=%16x\n", __func__, scan->security); | |
415 | switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) { | |
416 | case GELIC_EURUS_SCAN_SEC_WPA: | |
417 | rsn = 0; | |
418 | break; | |
419 | case GELIC_EURUS_SCAN_SEC_WPA2: | |
420 | rsn = 1; | |
421 | break; | |
422 | default: | |
423 | /* WEP or none. No IE returned */ | |
424 | return 0; | |
425 | } | |
426 | ||
427 | switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) { | |
428 | case GELIC_EURUS_SCAN_SEC_WPA_TKIP: | |
429 | ccmp = 0; | |
430 | break; | |
431 | case GELIC_EURUS_SCAN_SEC_WPA_AES: | |
432 | ccmp = 1; | |
433 | break; | |
434 | default: | |
435 | if (rsn) { | |
436 | ccmp = 1; | |
437 | pr_info("%s: no cipher info. defaulted to CCMP\n", | |
438 | __func__); | |
439 | } else { | |
440 | ccmp = 0; | |
441 | pr_info("%s: no cipher info. defaulted to TKIP\n", | |
442 | __func__); | |
443 | } | |
444 | } | |
445 | ||
446 | if (rsn) | |
447 | oui_header = rsn_oui; | |
448 | else | |
449 | oui_header = wpa_oui; | |
450 | ||
451 | /* element id */ | |
452 | if (rsn) | |
2c706002 | 453 | *buf++ = WLAN_EID_RSN; |
09dde54c | 454 | else |
2c706002 | 455 | *buf++ = WLAN_EID_GENERIC; |
09dde54c MM |
456 | |
457 | /* length filed; set later */ | |
458 | buf++; | |
459 | ||
460 | /* wpa special header */ | |
461 | if (!rsn) { | |
462 | memcpy(buf, wpa_oui, OUI_LEN); | |
463 | buf += OUI_LEN; | |
464 | *buf++ = 0x01; | |
465 | } | |
466 | ||
467 | /* version */ | |
468 | *buf++ = 0x01; /* version 1.0 */ | |
469 | *buf++ = 0x00; | |
470 | ||
471 | /* group cipher */ | |
472 | memcpy(buf, oui_header, OUI_LEN); | |
473 | buf += OUI_LEN; | |
474 | ||
475 | if (ccmp) | |
476 | *buf++ = 0x04; /* CCMP */ | |
477 | else | |
478 | *buf++ = 0x02; /* TKIP */ | |
479 | ||
480 | /* pairwise key count always 1 */ | |
481 | *buf++ = 0x01; | |
482 | *buf++ = 0x00; | |
483 | ||
484 | /* pairwise key suit */ | |
485 | memcpy(buf, oui_header, OUI_LEN); | |
486 | buf += OUI_LEN; | |
487 | if (ccmp) | |
488 | *buf++ = 0x04; /* CCMP */ | |
489 | else | |
490 | *buf++ = 0x02; /* TKIP */ | |
491 | ||
492 | /* AKM count is 1 */ | |
493 | *buf++ = 0x01; | |
494 | *buf++ = 0x00; | |
495 | ||
496 | /* AKM suite is assumed as PSK*/ | |
497 | memcpy(buf, oui_header, OUI_LEN); | |
498 | buf += OUI_LEN; | |
499 | *buf++ = 0x02; /* PSK */ | |
500 | ||
501 | /* RSN capabilities is 0 */ | |
502 | *buf++ = 0x00; | |
503 | *buf++ = 0x00; | |
504 | ||
505 | /* set length field */ | |
506 | start[1] = (buf - start - 2); | |
507 | ||
508 | pr_debug("%s: ->\n", __func__); | |
509 | return (buf - start); | |
510 | } | |
511 | ||
512 | struct ie_item { | |
513 | u8 *data; | |
514 | u8 len; | |
515 | }; | |
516 | ||
517 | struct ie_info { | |
518 | struct ie_item wpa; | |
519 | struct ie_item rsn; | |
520 | }; | |
521 | ||
522 | static void gelic_wl_parse_ie(u8 *data, size_t len, | |
523 | struct ie_info *ie_info) | |
524 | { | |
525 | size_t data_left = len; | |
526 | u8 *pos = data; | |
527 | u8 item_len; | |
528 | u8 item_id; | |
529 | ||
530 | pr_debug("%s: data=%p len=%ld \n", __func__, | |
531 | data, len); | |
532 | memset(ie_info, 0, sizeof(struct ie_info)); | |
533 | ||
b358492c | 534 | while (2 <= data_left) { |
09dde54c MM |
535 | item_id = *pos++; |
536 | item_len = *pos++; | |
b358492c MM |
537 | data_left -= 2; |
538 | ||
539 | if (data_left < item_len) | |
540 | break; | |
09dde54c MM |
541 | |
542 | switch (item_id) { | |
2c706002 | 543 | case WLAN_EID_GENERIC: |
b358492c MM |
544 | if ((OUI_LEN + 1 <= item_len) && |
545 | !memcmp(pos, wpa_oui, OUI_LEN) && | |
09dde54c MM |
546 | pos[OUI_LEN] == 0x01) { |
547 | ie_info->wpa.data = pos - 2; | |
548 | ie_info->wpa.len = item_len + 2; | |
549 | } | |
550 | break; | |
2c706002 | 551 | case WLAN_EID_RSN: |
09dde54c MM |
552 | ie_info->rsn.data = pos - 2; |
553 | /* length includes the header */ | |
554 | ie_info->rsn.len = item_len + 2; | |
555 | break; | |
556 | default: | |
557 | pr_debug("%s: ignore %#x,%d\n", __func__, | |
558 | item_id, item_len); | |
559 | break; | |
560 | } | |
561 | pos += item_len; | |
b358492c | 562 | data_left -= item_len; |
09dde54c MM |
563 | } |
564 | pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__, | |
565 | ie_info->wpa.data, ie_info->wpa.len, | |
566 | ie_info->rsn.data, ie_info->rsn.len); | |
567 | } | |
568 | ||
569 | ||
570 | /* | |
571 | * translate the scan informations from hypervisor to a | |
572 | * independent format | |
573 | */ | |
574 | static char *gelic_wl_translate_scan(struct net_device *netdev, | |
ccc58057 | 575 | struct iw_request_info *info, |
09dde54c MM |
576 | char *ev, |
577 | char *stop, | |
578 | struct gelic_wl_scan_info *network) | |
579 | { | |
580 | struct iw_event iwe; | |
581 | struct gelic_eurus_scan_info *scan = network->hwinfo; | |
582 | char *tmp; | |
583 | u8 rate; | |
584 | unsigned int i, j, len; | |
2c706002 | 585 | u8 buf[64]; /* arbitrary size large enough */ |
09dde54c MM |
586 | |
587 | pr_debug("%s: <-\n", __func__); | |
588 | ||
589 | /* first entry should be AP's mac address */ | |
590 | iwe.cmd = SIOCGIWAP; | |
591 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
592 | memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN); | |
ccc58057 | 593 | ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_ADDR_LEN); |
09dde54c MM |
594 | |
595 | /* ESSID */ | |
596 | iwe.cmd = SIOCGIWESSID; | |
597 | iwe.u.data.flags = 1; | |
598 | iwe.u.data.length = strnlen(scan->essid, 32); | |
ccc58057 | 599 | ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid); |
09dde54c MM |
600 | |
601 | /* FREQUENCY */ | |
602 | iwe.cmd = SIOCGIWFREQ; | |
603 | iwe.u.freq.m = be16_to_cpu(scan->channel); | |
604 | iwe.u.freq.e = 0; /* table value in MHz */ | |
605 | iwe.u.freq.i = 0; | |
ccc58057 | 606 | ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_FREQ_LEN); |
09dde54c MM |
607 | |
608 | /* RATES */ | |
609 | iwe.cmd = SIOCGIWRATE; | |
610 | iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; | |
611 | /* to stuff multiple values in one event */ | |
ccc58057 | 612 | tmp = ev + iwe_stream_lcp_len(info); |
09dde54c MM |
613 | /* put them in ascendant order (older is first) */ |
614 | i = 0; | |
615 | j = 0; | |
616 | pr_debug("%s: rates=%d rate=%d\n", __func__, | |
617 | network->rate_len, network->rate_ext_len); | |
618 | while (i < network->rate_len) { | |
619 | if (j < network->rate_ext_len && | |
620 | ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f))) | |
621 | rate = scan->ext_rate[j++] & 0x7f; | |
622 | else | |
623 | rate = scan->rate[i++] & 0x7f; | |
624 | iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */ | |
ccc58057 | 625 | tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe, |
09dde54c MM |
626 | IW_EV_PARAM_LEN); |
627 | } | |
628 | while (j < network->rate_ext_len) { | |
629 | iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000; | |
ccc58057 | 630 | tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe, |
09dde54c MM |
631 | IW_EV_PARAM_LEN); |
632 | } | |
633 | /* Check if we added any rate */ | |
ccc58057 | 634 | if (iwe_stream_lcp_len(info) < (tmp - ev)) |
09dde54c MM |
635 | ev = tmp; |
636 | ||
637 | /* ENCODE */ | |
638 | iwe.cmd = SIOCGIWENCODE; | |
639 | if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY) | |
640 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; | |
641 | else | |
642 | iwe.u.data.flags = IW_ENCODE_DISABLED; | |
643 | iwe.u.data.length = 0; | |
ccc58057 | 644 | ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid); |
09dde54c MM |
645 | |
646 | /* MODE */ | |
647 | iwe.cmd = SIOCGIWMODE; | |
648 | if (be16_to_cpu(scan->capability) & | |
649 | (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) { | |
650 | if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS) | |
651 | iwe.u.mode = IW_MODE_MASTER; | |
652 | else | |
653 | iwe.u.mode = IW_MODE_ADHOC; | |
ccc58057 | 654 | ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_UINT_LEN); |
09dde54c MM |
655 | } |
656 | ||
657 | /* QUAL */ | |
658 | iwe.cmd = IWEVQUAL; | |
659 | iwe.u.qual.updated = IW_QUAL_ALL_UPDATED | | |
660 | IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID; | |
661 | iwe.u.qual.level = be16_to_cpu(scan->rssi); | |
662 | iwe.u.qual.qual = be16_to_cpu(scan->rssi); | |
663 | iwe.u.qual.noise = 0; | |
ccc58057 | 664 | ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_QUAL_LEN); |
09dde54c MM |
665 | |
666 | /* RSN */ | |
667 | memset(&iwe, 0, sizeof(iwe)); | |
668 | if (be16_to_cpu(scan->size) <= sizeof(*scan)) { | |
669 | /* If wpa[2] capable station, synthesize IE and put it */ | |
670 | len = gelic_wl_synthesize_ie(buf, scan); | |
671 | if (len) { | |
672 | iwe.cmd = IWEVGENIE; | |
673 | iwe.u.data.length = len; | |
ccc58057 | 674 | ev = iwe_stream_add_point(info, ev, stop, &iwe, buf); |
09dde54c MM |
675 | } |
676 | } else { | |
677 | /* this scan info has IE data */ | |
678 | struct ie_info ie_info; | |
679 | size_t data_len; | |
680 | ||
681 | data_len = be16_to_cpu(scan->size) - sizeof(*scan); | |
682 | ||
683 | gelic_wl_parse_ie(scan->elements, data_len, &ie_info); | |
684 | ||
685 | if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) { | |
686 | memcpy(buf, ie_info.wpa.data, ie_info.wpa.len); | |
687 | iwe.cmd = IWEVGENIE; | |
688 | iwe.u.data.length = ie_info.wpa.len; | |
ccc58057 | 689 | ev = iwe_stream_add_point(info, ev, stop, &iwe, buf); |
09dde54c MM |
690 | } |
691 | ||
692 | if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) { | |
693 | memset(&iwe, 0, sizeof(iwe)); | |
694 | memcpy(buf, ie_info.rsn.data, ie_info.rsn.len); | |
695 | iwe.cmd = IWEVGENIE; | |
696 | iwe.u.data.length = ie_info.rsn.len; | |
ccc58057 | 697 | ev = iwe_stream_add_point(info, ev, stop, &iwe, buf); |
09dde54c MM |
698 | } |
699 | } | |
700 | ||
701 | pr_debug("%s: ->\n", __func__); | |
702 | return ev; | |
703 | } | |
704 | ||
705 | ||
706 | static int gelic_wl_get_scan(struct net_device *netdev, | |
707 | struct iw_request_info *info, | |
708 | union iwreq_data *wrqu, char *extra) | |
709 | { | |
710 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
711 | struct gelic_wl_scan_info *scan_info; | |
712 | char *ev = extra; | |
713 | char *stop = ev + wrqu->data.length; | |
714 | int ret = 0; | |
715 | unsigned long this_time = jiffies; | |
716 | ||
717 | pr_debug("%s: <-\n", __func__); | |
706ddd60 | 718 | if (mutex_lock_interruptible(&wl->scan_lock)) |
09dde54c MM |
719 | return -EAGAIN; |
720 | ||
721 | switch (wl->scan_stat) { | |
722 | case GELIC_WL_SCAN_STAT_SCANNING: | |
723 | /* If a scan in progress, caller should call me again */ | |
724 | ret = -EAGAIN; | |
725 | goto out; | |
726 | break; | |
727 | ||
728 | case GELIC_WL_SCAN_STAT_INIT: | |
729 | /* last scan request failed or never issued */ | |
730 | ret = -ENODEV; | |
731 | goto out; | |
732 | break; | |
733 | case GELIC_WL_SCAN_STAT_GOT_LIST: | |
734 | /* ok, use current list */ | |
735 | break; | |
736 | } | |
737 | ||
738 | list_for_each_entry(scan_info, &wl->network_list, list) { | |
739 | if (wl->scan_age == 0 || | |
740 | time_after(scan_info->last_scanned + wl->scan_age, | |
741 | this_time)) | |
ccc58057 DM |
742 | ev = gelic_wl_translate_scan(netdev, info, |
743 | ev, stop, | |
09dde54c MM |
744 | scan_info); |
745 | else | |
746 | pr_debug("%s:entry too old\n", __func__); | |
747 | ||
748 | if (stop - ev <= IW_EV_ADDR_LEN) { | |
749 | ret = -E2BIG; | |
750 | goto out; | |
751 | } | |
752 | } | |
753 | ||
754 | wrqu->data.length = ev - extra; | |
755 | wrqu->data.flags = 0; | |
756 | out: | |
706ddd60 | 757 | mutex_unlock(&wl->scan_lock); |
09dde54c MM |
758 | pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length); |
759 | return ret; | |
760 | } | |
761 | ||
762 | #ifdef DEBUG | |
763 | static void scan_list_dump(struct gelic_wl_info *wl) | |
764 | { | |
765 | struct gelic_wl_scan_info *scan_info; | |
766 | int i; | |
09dde54c MM |
767 | |
768 | i = 0; | |
769 | list_for_each_entry(scan_info, &wl->network_list, list) { | |
770 | pr_debug("%s: item %d\n", __func__, i++); | |
771 | pr_debug("valid=%d eurusindex=%d last=%lx\n", | |
772 | scan_info->valid, scan_info->eurus_index, | |
773 | scan_info->last_scanned); | |
774 | pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n", | |
775 | scan_info->rate_len, scan_info->rate_ext_len, | |
776 | scan_info->essid_len); | |
777 | /* -- */ | |
e174961c | 778 | pr_debug("bssid=%pM\n", &scan_info->hwinfo->bssid[2]); |
09dde54c MM |
779 | pr_debug("essid=%s\n", scan_info->hwinfo->essid); |
780 | } | |
781 | } | |
782 | #endif | |
783 | ||
784 | static int gelic_wl_set_auth(struct net_device *netdev, | |
785 | struct iw_request_info *info, | |
786 | union iwreq_data *data, char *extra) | |
787 | { | |
788 | struct iw_param *param = &data->param; | |
789 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); | |
790 | unsigned long irqflag; | |
791 | int ret = 0; | |
792 | ||
793 | pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX); | |
794 | spin_lock_irqsave(&wl->lock, irqflag); | |
795 | switch (param->flags & IW_AUTH_INDEX) { | |
796 | case IW_AUTH_WPA_VERSION: | |
797 | if (param->value & IW_AUTH_WPA_VERSION_DISABLED) { | |
798 | pr_debug("%s: NO WPA selected\n", __func__); | |
799 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; | |
800 | wl->group_cipher_method = GELIC_WL_CIPHER_WEP; | |
801 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; | |
802 | } | |
803 | if (param->value & IW_AUTH_WPA_VERSION_WPA) { | |
804 | pr_debug("%s: WPA version 1 selected\n", __func__); | |
805 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA; | |
806 | wl->group_cipher_method = GELIC_WL_CIPHER_TKIP; | |
807 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP; | |
808 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
809 | } | |
810 | if (param->value & IW_AUTH_WPA_VERSION_WPA2) { | |
811 | /* | |
812 | * As the hypervisor may not tell the cipher | |
813 | * information of the AP if it is WPA2, | |
814 | * you will not decide suitable cipher from | |
815 | * its beacon. | |
816 | * You should have knowledge about the AP's | |
817 | * cipher infomation in other method prior to | |
818 | * the association. | |
819 | */ | |
820 | if (!precise_ie()) | |
821 | pr_info("%s: WPA2 may not work\n", __func__); | |
822 | if (wpa2_capable()) { | |
823 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2; | |
824 | wl->group_cipher_method = GELIC_WL_CIPHER_AES; | |
825 | wl->pairwise_cipher_method = | |
826 | GELIC_WL_CIPHER_AES; | |
827 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
828 | } else | |
829 | ret = -EINVAL; | |
830 | } | |
831 | break; | |
832 | ||
833 | case IW_AUTH_CIPHER_PAIRWISE: | |
834 | if (param->value & | |
835 | (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) { | |
836 | pr_debug("%s: WEP selected\n", __func__); | |
837 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; | |
838 | } | |
839 | if (param->value & IW_AUTH_CIPHER_TKIP) { | |
840 | pr_debug("%s: TKIP selected\n", __func__); | |
841 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP; | |
842 | } | |
843 | if (param->value & IW_AUTH_CIPHER_CCMP) { | |
844 | pr_debug("%s: CCMP selected\n", __func__); | |
845 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES; | |
846 | } | |
847 | if (param->value & IW_AUTH_CIPHER_NONE) { | |
848 | pr_debug("%s: no auth selected\n", __func__); | |
849 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; | |
850 | } | |
851 | break; | |
852 | case IW_AUTH_CIPHER_GROUP: | |
853 | if (param->value & | |
854 | (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) { | |
855 | pr_debug("%s: WEP selected\n", __func__); | |
856 | wl->group_cipher_method = GELIC_WL_CIPHER_WEP; | |
857 | } | |
858 | if (param->value & IW_AUTH_CIPHER_TKIP) { | |
859 | pr_debug("%s: TKIP selected\n", __func__); | |
860 | wl->group_cipher_method = GELIC_WL_CIPHER_TKIP; | |
861 | } | |
862 | if (param->value & IW_AUTH_CIPHER_CCMP) { | |
863 | pr_debug("%s: CCMP selected\n", __func__); | |
864 | wl->group_cipher_method = GELIC_WL_CIPHER_AES; | |
865 | } | |
866 | if (param->value & IW_AUTH_CIPHER_NONE) { | |
867 | pr_debug("%s: no auth selected\n", __func__); | |
868 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; | |
869 | } | |
870 | break; | |
871 | case IW_AUTH_80211_AUTH_ALG: | |
872 | if (param->value & IW_AUTH_ALG_SHARED_KEY) { | |
873 | pr_debug("%s: shared key specified\n", __func__); | |
874 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; | |
875 | } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { | |
876 | pr_debug("%s: open system specified\n", __func__); | |
877 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
878 | } else | |
879 | ret = -EINVAL; | |
880 | break; | |
881 | ||
882 | case IW_AUTH_WPA_ENABLED: | |
883 | if (param->value) { | |
884 | pr_debug("%s: WPA enabled\n", __func__); | |
885 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA; | |
886 | } else { | |
887 | pr_debug("%s: WPA disabled\n", __func__); | |
888 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; | |
889 | } | |
890 | break; | |
891 | ||
892 | case IW_AUTH_KEY_MGMT: | |
893 | if (param->value & IW_AUTH_KEY_MGMT_PSK) | |
894 | break; | |
895 | /* intentionally fall through */ | |
896 | default: | |
897 | ret = -EOPNOTSUPP; | |
898 | break; | |
899 | }; | |
900 | ||
901 | if (!ret) | |
902 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
903 | ||
904 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
905 | pr_debug("%s: -> %d\n", __func__, ret); | |
906 | return ret; | |
907 | } | |
908 | ||
909 | static int gelic_wl_get_auth(struct net_device *netdev, | |
910 | struct iw_request_info *info, | |
911 | union iwreq_data *iwreq, char *extra) | |
912 | { | |
913 | struct iw_param *param = &iwreq->param; | |
914 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); | |
915 | unsigned long irqflag; | |
916 | int ret = 0; | |
917 | ||
918 | pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX); | |
919 | spin_lock_irqsave(&wl->lock, irqflag); | |
920 | switch (param->flags & IW_AUTH_INDEX) { | |
921 | case IW_AUTH_WPA_VERSION: | |
922 | switch (wl->wpa_level) { | |
923 | case GELIC_WL_WPA_LEVEL_WPA: | |
924 | param->value |= IW_AUTH_WPA_VERSION_WPA; | |
925 | break; | |
926 | case GELIC_WL_WPA_LEVEL_WPA2: | |
927 | param->value |= IW_AUTH_WPA_VERSION_WPA2; | |
928 | break; | |
929 | default: | |
930 | param->value |= IW_AUTH_WPA_VERSION_DISABLED; | |
931 | } | |
932 | break; | |
933 | ||
934 | case IW_AUTH_80211_AUTH_ALG: | |
935 | if (wl->auth_method == GELIC_EURUS_AUTH_SHARED) | |
936 | param->value = IW_AUTH_ALG_SHARED_KEY; | |
937 | else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN) | |
938 | param->value = IW_AUTH_ALG_OPEN_SYSTEM; | |
939 | break; | |
940 | ||
941 | case IW_AUTH_WPA_ENABLED: | |
942 | switch (wl->wpa_level) { | |
943 | case GELIC_WL_WPA_LEVEL_WPA: | |
944 | case GELIC_WL_WPA_LEVEL_WPA2: | |
945 | param->value = 1; | |
946 | break; | |
947 | default: | |
948 | param->value = 0; | |
949 | break; | |
950 | } | |
951 | break; | |
952 | default: | |
953 | ret = -EOPNOTSUPP; | |
954 | } | |
955 | ||
956 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
957 | pr_debug("%s: -> %d\n", __func__, ret); | |
958 | return ret; | |
959 | } | |
960 | ||
961 | /* SIOC{S,G}IWESSID */ | |
962 | static int gelic_wl_set_essid(struct net_device *netdev, | |
963 | struct iw_request_info *info, | |
964 | union iwreq_data *data, char *extra) | |
965 | { | |
966 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
967 | unsigned long irqflag; | |
968 | ||
969 | pr_debug("%s: <- l=%d f=%d\n", __func__, | |
970 | data->essid.length, data->essid.flags); | |
971 | if (IW_ESSID_MAX_SIZE < data->essid.length) | |
972 | return -EINVAL; | |
973 | ||
974 | spin_lock_irqsave(&wl->lock, irqflag); | |
975 | if (data->essid.flags) { | |
976 | wl->essid_len = data->essid.length; | |
977 | memcpy(wl->essid, extra, wl->essid_len); | |
978 | pr_debug("%s: essid = '%s'\n", __func__, extra); | |
979 | set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat); | |
980 | } else { | |
981 | pr_debug("%s: ESSID any \n", __func__); | |
982 | clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat); | |
983 | } | |
984 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
985 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
986 | ||
987 | ||
988 | gelic_wl_try_associate(netdev); /* FIXME */ | |
989 | pr_debug("%s: -> \n", __func__); | |
990 | return 0; | |
991 | } | |
992 | ||
993 | static int gelic_wl_get_essid(struct net_device *netdev, | |
994 | struct iw_request_info *info, | |
995 | union iwreq_data *data, char *extra) | |
996 | { | |
997 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
998 | unsigned long irqflag; | |
999 | ||
1000 | pr_debug("%s: <- \n", __func__); | |
bb2d67a3 | 1001 | mutex_lock(&wl->assoc_stat_lock); |
09dde54c MM |
1002 | spin_lock_irqsave(&wl->lock, irqflag); |
1003 | if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) || | |
1004 | wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) { | |
1005 | memcpy(extra, wl->essid, wl->essid_len); | |
1006 | data->essid.length = wl->essid_len; | |
1007 | data->essid.flags = 1; | |
1008 | } else | |
1009 | data->essid.flags = 0; | |
1010 | ||
bb2d67a3 | 1011 | mutex_unlock(&wl->assoc_stat_lock); |
09dde54c MM |
1012 | spin_unlock_irqrestore(&wl->lock, irqflag); |
1013 | pr_debug("%s: -> len=%d \n", __func__, data->essid.length); | |
1014 | ||
1015 | return 0; | |
1016 | } | |
1017 | ||
1018 | /* SIO{S,G}IWENCODE */ | |
1019 | static int gelic_wl_set_encode(struct net_device *netdev, | |
1020 | struct iw_request_info *info, | |
1021 | union iwreq_data *data, char *extra) | |
1022 | { | |
1023 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1024 | struct iw_point *enc = &data->encoding; | |
1025 | __u16 flags; | |
77bbadd5 | 1026 | unsigned long irqflag; |
09dde54c MM |
1027 | int key_index, index_specified; |
1028 | int ret = 0; | |
1029 | ||
1030 | pr_debug("%s: <- \n", __func__); | |
1031 | flags = enc->flags & IW_ENCODE_FLAGS; | |
1032 | key_index = enc->flags & IW_ENCODE_INDEX; | |
1033 | ||
1034 | pr_debug("%s: key_index = %d\n", __func__, key_index); | |
1035 | pr_debug("%s: key_len = %d\n", __func__, enc->length); | |
1036 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); | |
1037 | ||
1038 | if (GELIC_WEP_KEYS < key_index) | |
1039 | return -EINVAL; | |
1040 | ||
1041 | spin_lock_irqsave(&wl->lock, irqflag); | |
1042 | if (key_index) { | |
1043 | index_specified = 1; | |
1044 | key_index--; | |
1045 | } else { | |
1046 | index_specified = 0; | |
1047 | key_index = wl->current_key; | |
1048 | } | |
1049 | ||
1050 | if (flags & IW_ENCODE_NOKEY) { | |
1051 | /* if just IW_ENCODE_NOKEY, change current key index */ | |
1052 | if (!flags && index_specified) { | |
1053 | wl->current_key = key_index; | |
1054 | goto done; | |
1055 | } | |
1056 | ||
1057 | if (flags & IW_ENCODE_DISABLED) { | |
1058 | if (!index_specified) { | |
1059 | /* disable encryption */ | |
1060 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; | |
1061 | wl->pairwise_cipher_method = | |
1062 | GELIC_WL_CIPHER_NONE; | |
1063 | /* invalidate all key */ | |
1064 | wl->key_enabled = 0; | |
1065 | } else | |
1066 | clear_bit(key_index, &wl->key_enabled); | |
1067 | } | |
1068 | ||
1069 | if (flags & IW_ENCODE_OPEN) | |
1070 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
1071 | if (flags & IW_ENCODE_RESTRICTED) { | |
1072 | pr_info("%s: shared key mode enabled\n", __func__); | |
1073 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; | |
1074 | } | |
1075 | } else { | |
1076 | if (IW_ENCODING_TOKEN_MAX < enc->length) { | |
1077 | ret = -EINVAL; | |
1078 | goto done; | |
1079 | } | |
1080 | wl->key_len[key_index] = enc->length; | |
1081 | memcpy(wl->key[key_index], extra, enc->length); | |
1082 | set_bit(key_index, &wl->key_enabled); | |
1083 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; | |
1084 | wl->group_cipher_method = GELIC_WL_CIPHER_WEP; | |
1085 | } | |
1086 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
1087 | done: | |
1088 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1089 | pr_debug("%s: -> \n", __func__); | |
1090 | return ret; | |
1091 | } | |
1092 | ||
1093 | static int gelic_wl_get_encode(struct net_device *netdev, | |
1094 | struct iw_request_info *info, | |
1095 | union iwreq_data *data, char *extra) | |
1096 | { | |
1097 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1098 | struct iw_point *enc = &data->encoding; | |
77bbadd5 | 1099 | unsigned long irqflag; |
09dde54c MM |
1100 | unsigned int key_index, index_specified; |
1101 | int ret = 0; | |
1102 | ||
1103 | pr_debug("%s: <- \n", __func__); | |
1104 | key_index = enc->flags & IW_ENCODE_INDEX; | |
1105 | pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__, | |
1106 | enc->flags, enc->pointer, enc->length, extra); | |
1107 | if (GELIC_WEP_KEYS < key_index) | |
1108 | return -EINVAL; | |
1109 | ||
1110 | spin_lock_irqsave(&wl->lock, irqflag); | |
1111 | if (key_index) { | |
1112 | index_specified = 1; | |
1113 | key_index--; | |
1114 | } else { | |
1115 | index_specified = 0; | |
1116 | key_index = wl->current_key; | |
1117 | } | |
1118 | ||
1119 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { | |
1120 | switch (wl->auth_method) { | |
1121 | case GELIC_EURUS_AUTH_OPEN: | |
1122 | enc->flags = IW_ENCODE_OPEN; | |
1123 | break; | |
1124 | case GELIC_EURUS_AUTH_SHARED: | |
1125 | enc->flags = IW_ENCODE_RESTRICTED; | |
1126 | break; | |
1127 | } | |
1128 | } else | |
1129 | enc->flags = IW_ENCODE_DISABLED; | |
1130 | ||
1131 | if (test_bit(key_index, &wl->key_enabled)) { | |
1132 | if (enc->length < wl->key_len[key_index]) { | |
1133 | ret = -EINVAL; | |
1134 | goto done; | |
1135 | } | |
1136 | enc->length = wl->key_len[key_index]; | |
1137 | memcpy(extra, wl->key[key_index], wl->key_len[key_index]); | |
1138 | } else { | |
1139 | enc->length = 0; | |
1140 | enc->flags |= IW_ENCODE_NOKEY; | |
1141 | } | |
1142 | enc->flags |= key_index + 1; | |
1143 | pr_debug("%s: -> flag=%x len=%d\n", __func__, | |
1144 | enc->flags, enc->length); | |
1145 | ||
1146 | done: | |
1147 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1148 | return ret; | |
1149 | } | |
1150 | ||
1151 | /* SIOC{S,G}IWAP */ | |
1152 | static int gelic_wl_set_ap(struct net_device *netdev, | |
1153 | struct iw_request_info *info, | |
1154 | union iwreq_data *data, char *extra) | |
1155 | { | |
1156 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1157 | unsigned long irqflag; | |
1158 | ||
1159 | pr_debug("%s: <-\n", __func__); | |
1160 | if (data->ap_addr.sa_family != ARPHRD_ETHER) | |
1161 | return -EINVAL; | |
1162 | ||
1163 | spin_lock_irqsave(&wl->lock, irqflag); | |
1164 | if (is_valid_ether_addr(data->ap_addr.sa_data)) { | |
1165 | memcpy(wl->bssid, data->ap_addr.sa_data, | |
1166 | ETH_ALEN); | |
1167 | set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat); | |
1168 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
7c510e4b | 1169 | pr_debug("%s: bss=%pM\n", __func__, wl->bssid); |
09dde54c MM |
1170 | } else { |
1171 | pr_debug("%s: clear bssid\n", __func__); | |
1172 | clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat); | |
1173 | memset(wl->bssid, 0, ETH_ALEN); | |
1174 | } | |
1175 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1176 | pr_debug("%s: ->\n", __func__); | |
1177 | return 0; | |
1178 | } | |
1179 | ||
1180 | static int gelic_wl_get_ap(struct net_device *netdev, | |
1181 | struct iw_request_info *info, | |
1182 | union iwreq_data *data, char *extra) | |
1183 | { | |
1184 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1185 | unsigned long irqflag; | |
1186 | ||
1187 | pr_debug("%s: <-\n", __func__); | |
bb2d67a3 | 1188 | mutex_lock(&wl->assoc_stat_lock); |
09dde54c MM |
1189 | spin_lock_irqsave(&wl->lock, irqflag); |
1190 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) { | |
1191 | data->ap_addr.sa_family = ARPHRD_ETHER; | |
1192 | memcpy(data->ap_addr.sa_data, wl->active_bssid, | |
1193 | ETH_ALEN); | |
1194 | } else | |
1195 | memset(data->ap_addr.sa_data, 0, ETH_ALEN); | |
1196 | ||
1197 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
bb2d67a3 | 1198 | mutex_unlock(&wl->assoc_stat_lock); |
09dde54c MM |
1199 | pr_debug("%s: ->\n", __func__); |
1200 | return 0; | |
1201 | } | |
1202 | ||
1203 | /* SIOC{S,G}IWENCODEEXT */ | |
1204 | static int gelic_wl_set_encodeext(struct net_device *netdev, | |
1205 | struct iw_request_info *info, | |
1206 | union iwreq_data *data, char *extra) | |
1207 | { | |
1208 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1209 | struct iw_point *enc = &data->encoding; | |
1210 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
1211 | __u16 alg; | |
1212 | __u16 flags; | |
77bbadd5 | 1213 | unsigned long irqflag; |
09dde54c MM |
1214 | int key_index; |
1215 | int ret = 0; | |
1216 | ||
1217 | pr_debug("%s: <- \n", __func__); | |
1218 | flags = enc->flags & IW_ENCODE_FLAGS; | |
1219 | alg = ext->alg; | |
1220 | key_index = enc->flags & IW_ENCODE_INDEX; | |
1221 | ||
1222 | pr_debug("%s: key_index = %d\n", __func__, key_index); | |
1223 | pr_debug("%s: key_len = %d\n", __func__, enc->length); | |
1224 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); | |
1225 | pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags); | |
1226 | pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len); | |
1227 | ||
1228 | if (GELIC_WEP_KEYS < key_index) | |
1229 | return -EINVAL; | |
1230 | ||
1231 | spin_lock_irqsave(&wl->lock, irqflag); | |
1232 | if (key_index) | |
1233 | key_index--; | |
1234 | else | |
1235 | key_index = wl->current_key; | |
1236 | ||
1237 | if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) { | |
1238 | /* reques to change default key index */ | |
1239 | pr_debug("%s: request to change default key to %d\n", | |
1240 | __func__, key_index); | |
1241 | wl->current_key = key_index; | |
1242 | goto done; | |
1243 | } | |
1244 | ||
1245 | if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) { | |
1246 | pr_debug("%s: alg disabled\n", __func__); | |
1247 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; | |
1248 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; | |
1249 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; | |
1250 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */ | |
1251 | } else if (alg == IW_ENCODE_ALG_WEP) { | |
1252 | pr_debug("%s: WEP requested\n", __func__); | |
1253 | if (flags & IW_ENCODE_OPEN) { | |
1254 | pr_debug("%s: open key mode\n", __func__); | |
1255 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
1256 | } | |
1257 | if (flags & IW_ENCODE_RESTRICTED) { | |
1258 | pr_debug("%s: shared key mode\n", __func__); | |
1259 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; | |
1260 | } | |
1261 | if (IW_ENCODING_TOKEN_MAX < ext->key_len) { | |
1262 | pr_info("%s: key is too long %d\n", __func__, | |
1263 | ext->key_len); | |
1264 | ret = -EINVAL; | |
1265 | goto done; | |
1266 | } | |
1267 | /* OK, update the key */ | |
1268 | wl->key_len[key_index] = ext->key_len; | |
1269 | memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX); | |
1270 | memcpy(wl->key[key_index], ext->key, ext->key_len); | |
1271 | set_bit(key_index, &wl->key_enabled); | |
1272 | /* remember wep info changed */ | |
1273 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
04b2046c MM |
1274 | } else if (alg == IW_ENCODE_ALG_PMK) { |
1275 | if (ext->key_len != WPA_PSK_LEN) { | |
1276 | pr_err("%s: PSK length wrong %d\n", __func__, | |
1277 | ext->key_len); | |
09dde54c MM |
1278 | ret = -EINVAL; |
1279 | goto done; | |
1280 | } | |
04b2046c MM |
1281 | memset(wl->psk, 0, sizeof(wl->psk)); |
1282 | memcpy(wl->psk, ext->key, ext->key_len); | |
1283 | wl->psk_len = ext->key_len; | |
1284 | wl->psk_type = GELIC_EURUS_WPA_PSK_BIN; | |
1285 | /* remember PSK configured */ | |
1286 | set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat); | |
09dde54c MM |
1287 | } |
1288 | done: | |
1289 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1290 | pr_debug("%s: -> \n", __func__); | |
1291 | return ret; | |
1292 | } | |
1293 | ||
1294 | static int gelic_wl_get_encodeext(struct net_device *netdev, | |
1295 | struct iw_request_info *info, | |
1296 | union iwreq_data *data, char *extra) | |
1297 | { | |
1298 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1299 | struct iw_point *enc = &data->encoding; | |
1300 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
77bbadd5 | 1301 | unsigned long irqflag; |
09dde54c MM |
1302 | int key_index; |
1303 | int ret = 0; | |
1304 | int max_key_len; | |
1305 | ||
1306 | pr_debug("%s: <- \n", __func__); | |
1307 | ||
1308 | max_key_len = enc->length - sizeof(struct iw_encode_ext); | |
1309 | if (max_key_len < 0) | |
1310 | return -EINVAL; | |
1311 | key_index = enc->flags & IW_ENCODE_INDEX; | |
1312 | ||
1313 | pr_debug("%s: key_index = %d\n", __func__, key_index); | |
1314 | pr_debug("%s: key_len = %d\n", __func__, enc->length); | |
1315 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); | |
1316 | ||
1317 | if (GELIC_WEP_KEYS < key_index) | |
1318 | return -EINVAL; | |
1319 | ||
1320 | spin_lock_irqsave(&wl->lock, irqflag); | |
1321 | if (key_index) | |
1322 | key_index--; | |
1323 | else | |
1324 | key_index = wl->current_key; | |
1325 | ||
1326 | memset(ext, 0, sizeof(struct iw_encode_ext)); | |
1327 | switch (wl->group_cipher_method) { | |
1328 | case GELIC_WL_CIPHER_WEP: | |
1329 | ext->alg = IW_ENCODE_ALG_WEP; | |
1330 | enc->flags |= IW_ENCODE_ENABLED; | |
1331 | break; | |
1332 | case GELIC_WL_CIPHER_TKIP: | |
1333 | ext->alg = IW_ENCODE_ALG_TKIP; | |
1334 | enc->flags |= IW_ENCODE_ENABLED; | |
1335 | break; | |
1336 | case GELIC_WL_CIPHER_AES: | |
1337 | ext->alg = IW_ENCODE_ALG_CCMP; | |
1338 | enc->flags |= IW_ENCODE_ENABLED; | |
1339 | break; | |
1340 | case GELIC_WL_CIPHER_NONE: | |
1341 | default: | |
1342 | ext->alg = IW_ENCODE_ALG_NONE; | |
1343 | enc->flags |= IW_ENCODE_NOKEY; | |
1344 | break; | |
1345 | } | |
1346 | ||
1347 | if (!(enc->flags & IW_ENCODE_NOKEY)) { | |
1348 | if (max_key_len < wl->key_len[key_index]) { | |
1349 | ret = -E2BIG; | |
1350 | goto out; | |
1351 | } | |
1352 | if (test_bit(key_index, &wl->key_enabled)) | |
1353 | memcpy(ext->key, wl->key[key_index], | |
1354 | wl->key_len[key_index]); | |
1355 | else | |
1356 | pr_debug("%s: disabled key requested ix=%d\n", | |
1357 | __func__, key_index); | |
1358 | } | |
1359 | out: | |
1360 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1361 | pr_debug("%s: -> \n", __func__); | |
1362 | return ret; | |
1363 | } | |
1364 | /* SIOC{S,G}IWMODE */ | |
1365 | static int gelic_wl_set_mode(struct net_device *netdev, | |
1366 | struct iw_request_info *info, | |
1367 | union iwreq_data *data, char *extra) | |
1368 | { | |
1369 | __u32 mode = data->mode; | |
1370 | int ret; | |
1371 | ||
1372 | pr_debug("%s: <- \n", __func__); | |
1373 | if (mode == IW_MODE_INFRA) | |
1374 | ret = 0; | |
1375 | else | |
1376 | ret = -EOPNOTSUPP; | |
1377 | pr_debug("%s: -> %d\n", __func__, ret); | |
1378 | return ret; | |
1379 | } | |
1380 | ||
1381 | static int gelic_wl_get_mode(struct net_device *netdev, | |
1382 | struct iw_request_info *info, | |
1383 | union iwreq_data *data, char *extra) | |
1384 | { | |
1385 | __u32 *mode = &data->mode; | |
1386 | pr_debug("%s: <- \n", __func__); | |
1387 | *mode = IW_MODE_INFRA; | |
1388 | pr_debug("%s: ->\n", __func__); | |
1389 | return 0; | |
1390 | } | |
1391 | ||
09dde54c MM |
1392 | /* SIOCGIWNICKN */ |
1393 | static int gelic_wl_get_nick(struct net_device *net_dev, | |
1394 | struct iw_request_info *info, | |
1395 | union iwreq_data *data, char *extra) | |
1396 | { | |
1397 | strcpy(extra, "gelic_wl"); | |
1398 | data->data.length = strlen(extra); | |
1399 | data->data.flags = 1; | |
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | ||
1404 | /* --- */ | |
1405 | ||
1406 | static struct iw_statistics *gelic_wl_get_wireless_stats( | |
1407 | struct net_device *netdev) | |
1408 | { | |
1409 | ||
1410 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1411 | struct gelic_eurus_cmd *cmd; | |
1412 | struct iw_statistics *is; | |
1413 | struct gelic_eurus_rssi_info *rssi; | |
13de15e7 | 1414 | void *buf; |
09dde54c MM |
1415 | |
1416 | pr_debug("%s: <-\n", __func__); | |
1417 | ||
13de15e7 MM |
1418 | buf = (void *)__get_free_page(GFP_KERNEL); |
1419 | if (!buf) | |
1420 | return NULL; | |
1421 | ||
09dde54c MM |
1422 | is = &wl->iwstat; |
1423 | memset(is, 0, sizeof(*is)); | |
1424 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG, | |
13de15e7 | 1425 | buf, sizeof(*rssi)); |
09dde54c | 1426 | if (cmd && !cmd->status && !cmd->cmd_status) { |
13de15e7 | 1427 | rssi = buf; |
09dde54c MM |
1428 | is->qual.level = be16_to_cpu(rssi->rssi); |
1429 | is->qual.updated = IW_QUAL_LEVEL_UPDATED | | |
1430 | IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID; | |
1431 | } else | |
1432 | /* not associated */ | |
1433 | is->qual.updated = IW_QUAL_ALL_INVALID; | |
1434 | ||
1435 | kfree(cmd); | |
13de15e7 | 1436 | free_page((unsigned long)buf); |
09dde54c MM |
1437 | pr_debug("%s: ->\n", __func__); |
1438 | return is; | |
1439 | } | |
1440 | ||
1441 | /* | |
1442 | * scanning helpers | |
1443 | */ | |
7fd871ed MM |
1444 | static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan, |
1445 | u8 *essid, size_t essid_len) | |
09dde54c MM |
1446 | { |
1447 | struct gelic_eurus_cmd *cmd; | |
1448 | int ret = 0; | |
7fd871ed MM |
1449 | void *buf = NULL; |
1450 | size_t len; | |
09dde54c | 1451 | |
e389900e | 1452 | pr_debug("%s: <- always=%d\n", __func__, always_scan); |
706ddd60 | 1453 | if (mutex_lock_interruptible(&wl->scan_lock)) |
09dde54c MM |
1454 | return -ERESTARTSYS; |
1455 | ||
1456 | /* | |
1457 | * If already a scan in progress, do not trigger more | |
1458 | */ | |
1459 | if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) { | |
1460 | pr_debug("%s: scanning now\n", __func__); | |
1461 | goto out; | |
1462 | } | |
1463 | ||
1464 | init_completion(&wl->scan_done); | |
1465 | /* | |
1466 | * If we have already a bss list, don't try to get new | |
f276586a | 1467 | * unless we are doing an ESSID scan |
09dde54c | 1468 | */ |
f276586a HG |
1469 | if ((!essid_len && !always_scan) |
1470 | && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) { | |
09dde54c MM |
1471 | pr_debug("%s: already has the list\n", __func__); |
1472 | complete(&wl->scan_done); | |
1473 | goto out; | |
1474 | } | |
7fd871ed MM |
1475 | |
1476 | /* ESSID scan ? */ | |
1477 | if (essid_len && essid) { | |
1478 | buf = (void *)__get_free_page(GFP_KERNEL); | |
1479 | if (!buf) { | |
1480 | ret = -ENOMEM; | |
1481 | goto out; | |
1482 | } | |
1483 | len = IW_ESSID_MAX_SIZE; /* hypervisor always requires 32 */ | |
1484 | memset(buf, 0, len); | |
1485 | memcpy(buf, essid, essid_len); | |
1486 | pr_debug("%s: essid scan='%s'\n", __func__, (char *)buf); | |
1487 | } else | |
1488 | len = 0; | |
1489 | ||
09dde54c MM |
1490 | /* |
1491 | * issue start scan request | |
1492 | */ | |
1493 | wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING; | |
1494 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN, | |
7fd871ed | 1495 | buf, len); |
09dde54c MM |
1496 | if (!cmd || cmd->status || cmd->cmd_status) { |
1497 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; | |
1498 | complete(&wl->scan_done); | |
1499 | ret = -ENOMEM; | |
1500 | goto out; | |
1501 | } | |
1502 | kfree(cmd); | |
1503 | out: | |
7fd871ed | 1504 | free_page((unsigned long)buf); |
706ddd60 | 1505 | mutex_unlock(&wl->scan_lock); |
09dde54c MM |
1506 | pr_debug("%s: ->\n", __func__); |
1507 | return ret; | |
1508 | } | |
1509 | ||
1510 | /* | |
1511 | * retrieve scan result from the chip (hypervisor) | |
1512 | * this function is invoked by schedule work. | |
1513 | */ | |
1514 | static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) | |
1515 | { | |
1516 | struct gelic_eurus_cmd *cmd = NULL; | |
1517 | struct gelic_wl_scan_info *target, *tmp; | |
1518 | struct gelic_wl_scan_info *oldest = NULL; | |
1519 | struct gelic_eurus_scan_info *scan_info; | |
1520 | unsigned int scan_info_size; | |
1521 | union iwreq_data data; | |
1522 | unsigned long this_time = jiffies; | |
1523 | unsigned int data_len, i, found, r; | |
13de15e7 | 1524 | void *buf; |
09dde54c MM |
1525 | |
1526 | pr_debug("%s:start\n", __func__); | |
706ddd60 | 1527 | mutex_lock(&wl->scan_lock); |
09dde54c | 1528 | |
13de15e7 MM |
1529 | buf = (void *)__get_free_page(GFP_KERNEL); |
1530 | if (!buf) { | |
1531 | pr_info("%s: scan buffer alloc failed\n", __func__); | |
1532 | goto out; | |
1533 | } | |
1534 | ||
09dde54c MM |
1535 | if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) { |
1536 | /* | |
1537 | * stop() may be called while scanning, ignore result | |
1538 | */ | |
1539 | pr_debug("%s: scan complete when stat != scanning(%d)\n", | |
1540 | __func__, wl->scan_stat); | |
1541 | goto out; | |
1542 | } | |
1543 | ||
1544 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN, | |
13de15e7 | 1545 | buf, PAGE_SIZE); |
09dde54c MM |
1546 | if (!cmd || cmd->status || cmd->cmd_status) { |
1547 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; | |
1548 | pr_info("%s:cmd failed\n", __func__); | |
1549 | kfree(cmd); | |
1550 | goto out; | |
1551 | } | |
1552 | data_len = cmd->size; | |
1553 | pr_debug("%s: data_len = %d\n", __func__, data_len); | |
1554 | kfree(cmd); | |
1555 | ||
1556 | /* OK, bss list retrieved */ | |
1557 | wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST; | |
1558 | ||
1559 | /* mark all entries are old */ | |
1560 | list_for_each_entry_safe(target, tmp, &wl->network_list, list) { | |
1561 | target->valid = 0; | |
1562 | /* expire too old entries */ | |
1563 | if (time_before(target->last_scanned + wl->scan_age, | |
1564 | this_time)) { | |
1565 | kfree(target->hwinfo); | |
1566 | target->hwinfo = NULL; | |
1567 | list_move_tail(&target->list, &wl->network_free_list); | |
1568 | } | |
1569 | } | |
1570 | ||
f276586a | 1571 | /* put them in the network_list */ |
13de15e7 | 1572 | for (i = 0, scan_info_size = 0, scan_info = buf; |
aad4c7d3 MM |
1573 | scan_info_size < data_len; |
1574 | i++, scan_info_size += be16_to_cpu(scan_info->size), | |
1575 | scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) { | |
e174961c | 1576 | pr_debug("%s:size=%d bssid=%pM scan_info=%p\n", __func__, |
09dde54c | 1577 | be16_to_cpu(scan_info->size), |
e174961c | 1578 | &scan_info->bssid[2], scan_info); |
aad4c7d3 MM |
1579 | |
1580 | /* | |
1581 | * The wireless firmware may return invalid channel 0 and/or | |
1582 | * invalid rate if the AP emits zero length SSID ie. As this | |
1583 | * scan information is useless, ignore it | |
1584 | */ | |
1585 | if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) { | |
1586 | pr_debug("%s: invalid scan info\n", __func__); | |
1587 | continue; | |
1588 | } | |
1589 | ||
09dde54c MM |
1590 | found = 0; |
1591 | oldest = NULL; | |
1592 | list_for_each_entry(target, &wl->network_list, list) { | |
1593 | if (!compare_ether_addr(&target->hwinfo->bssid[2], | |
1594 | &scan_info->bssid[2])) { | |
1595 | found = 1; | |
1596 | pr_debug("%s: same BBS found scanned list\n", | |
1597 | __func__); | |
1598 | break; | |
1599 | } | |
1600 | if (!oldest || | |
1601 | (target->last_scanned < oldest->last_scanned)) | |
1602 | oldest = target; | |
1603 | } | |
1604 | ||
1605 | if (!found) { | |
1606 | /* not found in the list */ | |
1607 | if (list_empty(&wl->network_free_list)) { | |
1608 | /* expire oldest */ | |
1609 | target = oldest; | |
1610 | } else { | |
1611 | target = list_entry(wl->network_free_list.next, | |
1612 | struct gelic_wl_scan_info, | |
1613 | list); | |
1614 | } | |
1615 | } | |
1616 | ||
1617 | /* update the item */ | |
1618 | target->last_scanned = this_time; | |
1619 | target->valid = 1; | |
1620 | target->eurus_index = i; | |
1621 | kfree(target->hwinfo); | |
1622 | target->hwinfo = kzalloc(be16_to_cpu(scan_info->size), | |
1623 | GFP_KERNEL); | |
1624 | if (!target->hwinfo) { | |
1625 | pr_info("%s: kzalloc failed\n", __func__); | |
09dde54c MM |
1626 | continue; |
1627 | } | |
1628 | /* copy hw scan info */ | |
1629 | memcpy(target->hwinfo, scan_info, scan_info->size); | |
1630 | target->essid_len = strnlen(scan_info->essid, | |
1631 | sizeof(scan_info->essid)); | |
1632 | target->rate_len = 0; | |
2c706002 | 1633 | for (r = 0; r < 12; r++) |
09dde54c MM |
1634 | if (scan_info->rate[r]) |
1635 | target->rate_len++; | |
1636 | if (8 < target->rate_len) | |
1637 | pr_info("%s: AP returns %d rates\n", __func__, | |
1638 | target->rate_len); | |
1639 | target->rate_ext_len = 0; | |
2c706002 | 1640 | for (r = 0; r < 16; r++) |
09dde54c MM |
1641 | if (scan_info->ext_rate[r]) |
1642 | target->rate_ext_len++; | |
1643 | list_move_tail(&target->list, &wl->network_list); | |
09dde54c MM |
1644 | } |
1645 | memset(&data, 0, sizeof(data)); | |
1646 | wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data, | |
1647 | NULL); | |
1648 | out: | |
13de15e7 | 1649 | free_page((unsigned long)buf); |
09dde54c | 1650 | complete(&wl->scan_done); |
706ddd60 | 1651 | mutex_unlock(&wl->scan_lock); |
09dde54c MM |
1652 | pr_debug("%s:end\n", __func__); |
1653 | } | |
1654 | ||
1655 | /* | |
1656 | * Select an appropriate bss from current scan list regarding | |
1657 | * current settings from userspace. | |
1658 | * The caller must hold wl->scan_lock, | |
1659 | * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST | |
1660 | */ | |
1661 | static void update_best(struct gelic_wl_scan_info **best, | |
1662 | struct gelic_wl_scan_info *candid, | |
1663 | int *best_weight, | |
1664 | int *weight) | |
1665 | { | |
1666 | if (*best_weight < ++(*weight)) { | |
1667 | *best_weight = *weight; | |
1668 | *best = candid; | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | static | |
1673 | struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl) | |
1674 | { | |
1675 | struct gelic_wl_scan_info *scan_info; | |
1676 | struct gelic_wl_scan_info *best_bss; | |
1677 | int weight, best_weight; | |
1678 | u16 security; | |
09dde54c MM |
1679 | |
1680 | pr_debug("%s: <-\n", __func__); | |
1681 | ||
1682 | best_bss = NULL; | |
1683 | best_weight = 0; | |
1684 | ||
1685 | list_for_each_entry(scan_info, &wl->network_list, list) { | |
1686 | pr_debug("%s: station %p\n", __func__, scan_info); | |
1687 | ||
1688 | if (!scan_info->valid) { | |
1689 | pr_debug("%s: station invalid\n", __func__); | |
1690 | continue; | |
1691 | } | |
1692 | ||
1693 | /* If bss specified, check it only */ | |
1694 | if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) { | |
1695 | if (!compare_ether_addr(&scan_info->hwinfo->bssid[2], | |
1696 | wl->bssid)) { | |
1697 | best_bss = scan_info; | |
1698 | pr_debug("%s: bssid matched\n", __func__); | |
1699 | break; | |
1700 | } else { | |
1701 | pr_debug("%s: bssid unmached\n", __func__); | |
1702 | continue; | |
1703 | } | |
1704 | } | |
1705 | ||
1706 | weight = 0; | |
1707 | ||
1708 | /* security */ | |
1709 | security = be16_to_cpu(scan_info->hwinfo->security) & | |
1710 | GELIC_EURUS_SCAN_SEC_MASK; | |
1711 | if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) { | |
1712 | if (security == GELIC_EURUS_SCAN_SEC_WPA2) | |
1713 | update_best(&best_bss, scan_info, | |
1714 | &best_weight, &weight); | |
1715 | else | |
1716 | continue; | |
1717 | } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) { | |
1718 | if (security == GELIC_EURUS_SCAN_SEC_WPA) | |
1719 | update_best(&best_bss, scan_info, | |
1720 | &best_weight, &weight); | |
1721 | else | |
1722 | continue; | |
1723 | } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE && | |
1724 | wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { | |
1725 | if (security == GELIC_EURUS_SCAN_SEC_WEP) | |
1726 | update_best(&best_bss, scan_info, | |
1727 | &best_weight, &weight); | |
1728 | else | |
1729 | continue; | |
1730 | } | |
1731 | ||
1732 | /* If ESSID is set, check it */ | |
1733 | if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) { | |
1734 | if ((scan_info->essid_len == wl->essid_len) && | |
1735 | !strncmp(wl->essid, | |
1736 | scan_info->hwinfo->essid, | |
1737 | scan_info->essid_len)) | |
1738 | update_best(&best_bss, scan_info, | |
1739 | &best_weight, &weight); | |
1740 | else | |
1741 | continue; | |
1742 | } | |
1743 | } | |
1744 | ||
1745 | #ifdef DEBUG | |
1746 | pr_debug("%s: -> bss=%p\n", __func__, best_bss); | |
1747 | if (best_bss) { | |
e174961c JB |
1748 | pr_debug("%s:addr=%pM\n", __func__, |
1749 | &best_bss->hwinfo->bssid[2]); | |
09dde54c MM |
1750 | } |
1751 | #endif | |
1752 | return best_bss; | |
1753 | } | |
1754 | ||
1755 | /* | |
1756 | * Setup WEP configuration to the chip | |
1757 | * The caller must hold wl->scan_lock, | |
1758 | * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST | |
1759 | */ | |
1760 | static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl) | |
1761 | { | |
1762 | unsigned int i; | |
1763 | struct gelic_eurus_wep_cfg *wep; | |
1764 | struct gelic_eurus_cmd *cmd; | |
1765 | int wep104 = 0; | |
1766 | int have_key = 0; | |
1767 | int ret = 0; | |
1768 | ||
1769 | pr_debug("%s: <-\n", __func__); | |
1770 | /* we can assume no one should uses the buffer */ | |
13de15e7 MM |
1771 | wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL); |
1772 | if (!wep) | |
1773 | return -ENOMEM; | |
1774 | ||
09dde54c MM |
1775 | memset(wep, 0, sizeof(*wep)); |
1776 | ||
1777 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { | |
1778 | pr_debug("%s: WEP mode\n", __func__); | |
1779 | for (i = 0; i < GELIC_WEP_KEYS; i++) { | |
1780 | if (!test_bit(i, &wl->key_enabled)) | |
1781 | continue; | |
1782 | ||
1783 | pr_debug("%s: key#%d enabled\n", __func__, i); | |
1784 | have_key = 1; | |
1785 | if (wl->key_len[i] == 13) | |
1786 | wep104 = 1; | |
1787 | else if (wl->key_len[i] != 5) { | |
1788 | pr_info("%s: wrong wep key[%d]=%d\n", | |
1789 | __func__, i, wl->key_len[i]); | |
1790 | ret = -EINVAL; | |
1791 | goto out; | |
1792 | } | |
1793 | memcpy(wep->key[i], wl->key[i], wl->key_len[i]); | |
1794 | } | |
1795 | ||
1796 | if (!have_key) { | |
1797 | pr_info("%s: all wep key disabled\n", __func__); | |
1798 | ret = -EINVAL; | |
1799 | goto out; | |
1800 | } | |
1801 | ||
1802 | if (wep104) { | |
1803 | pr_debug("%s: 104bit key\n", __func__); | |
1804 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT); | |
1805 | } else { | |
1806 | pr_debug("%s: 40bit key\n", __func__); | |
1807 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT); | |
1808 | } | |
1809 | } else { | |
1810 | pr_debug("%s: NO encryption\n", __func__); | |
1811 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE); | |
1812 | } | |
1813 | ||
1814 | /* issue wep setup */ | |
1815 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG, | |
1816 | wep, sizeof(*wep)); | |
1817 | if (!cmd) | |
1818 | ret = -ENOMEM; | |
1819 | else if (cmd->status || cmd->cmd_status) | |
1820 | ret = -ENXIO; | |
1821 | ||
1822 | kfree(cmd); | |
1823 | out: | |
13de15e7 | 1824 | free_page((unsigned long)wep); |
09dde54c MM |
1825 | pr_debug("%s: ->\n", __func__); |
1826 | return ret; | |
1827 | } | |
1828 | ||
1829 | #ifdef DEBUG | |
1830 | static const char *wpasecstr(enum gelic_eurus_wpa_security sec) | |
1831 | { | |
1832 | switch (sec) { | |
1833 | case GELIC_EURUS_WPA_SEC_NONE: | |
1834 | return "NONE"; | |
1835 | break; | |
1836 | case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP: | |
1837 | return "WPA_TKIP_TKIP"; | |
1838 | break; | |
1839 | case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES: | |
1840 | return "WPA_TKIP_AES"; | |
1841 | break; | |
1842 | case GELIC_EURUS_WPA_SEC_WPA_AES_AES: | |
1843 | return "WPA_AES_AES"; | |
1844 | break; | |
1845 | case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP: | |
1846 | return "WPA2_TKIP_TKIP"; | |
1847 | break; | |
1848 | case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES: | |
1849 | return "WPA2_TKIP_AES"; | |
1850 | break; | |
1851 | case GELIC_EURUS_WPA_SEC_WPA2_AES_AES: | |
1852 | return "WPA2_AES_AES"; | |
1853 | break; | |
1854 | } | |
1855 | return ""; | |
1856 | }; | |
1857 | #endif | |
1858 | ||
1859 | static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl) | |
1860 | { | |
1861 | struct gelic_eurus_wpa_cfg *wpa; | |
1862 | struct gelic_eurus_cmd *cmd; | |
1863 | u16 security; | |
1864 | int ret = 0; | |
1865 | ||
1866 | pr_debug("%s: <-\n", __func__); | |
1867 | /* we can assume no one should uses the buffer */ | |
13de15e7 MM |
1868 | wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL); |
1869 | if (!wpa) | |
1870 | return -ENOMEM; | |
1871 | ||
09dde54c MM |
1872 | memset(wpa, 0, sizeof(*wpa)); |
1873 | ||
1874 | if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) | |
1875 | pr_info("%s: PSK not configured yet\n", __func__); | |
1876 | ||
1877 | /* copy key */ | |
1878 | memcpy(wpa->psk, wl->psk, wl->psk_len); | |
1879 | ||
1880 | /* set security level */ | |
1881 | if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) { | |
1882 | if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) { | |
1883 | security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES; | |
1884 | } else { | |
1885 | if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES && | |
1886 | precise_ie()) | |
1887 | security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES; | |
1888 | else | |
1889 | security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP; | |
1890 | } | |
1891 | } else { | |
1892 | if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) { | |
1893 | security = GELIC_EURUS_WPA_SEC_WPA_AES_AES; | |
1894 | } else { | |
1895 | if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES && | |
1896 | precise_ie()) | |
1897 | security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES; | |
1898 | else | |
1899 | security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP; | |
1900 | } | |
1901 | } | |
1902 | wpa->security = cpu_to_be16(security); | |
1903 | ||
1904 | /* PSK type */ | |
1905 | wpa->psk_type = cpu_to_be16(wl->psk_type); | |
1906 | #ifdef DEBUG | |
f276586a | 1907 | pr_debug("%s: sec=%s psktype=%s\n", __func__, |
09dde54c MM |
1908 | wpasecstr(wpa->security), |
1909 | (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ? | |
1910 | "BIN" : "passphrase"); | |
1911 | #if 0 | |
1912 | /* | |
1913 | * don't enable here if you plan to submit | |
1914 | * the debug log because this dumps your precious | |
1915 | * passphrase/key. | |
1916 | */ | |
f276586a | 1917 | pr_debug("%s: psk=%s\n", __func__, |
09dde54c | 1918 | (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ? |
f276586a | 1919 | "N/A" : wpa->psk); |
09dde54c MM |
1920 | #endif |
1921 | #endif | |
1922 | /* issue wpa setup */ | |
1923 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG, | |
1924 | wpa, sizeof(*wpa)); | |
1925 | if (!cmd) | |
1926 | ret = -ENOMEM; | |
1927 | else if (cmd->status || cmd->cmd_status) | |
1928 | ret = -ENXIO; | |
1929 | kfree(cmd); | |
13de15e7 | 1930 | free_page((unsigned long)wpa); |
09dde54c MM |
1931 | pr_debug("%s: --> %d\n", __func__, ret); |
1932 | return ret; | |
1933 | } | |
1934 | ||
1935 | /* | |
1936 | * Start association. caller must hold assoc_stat_lock | |
1937 | */ | |
1938 | static int gelic_wl_associate_bss(struct gelic_wl_info *wl, | |
1939 | struct gelic_wl_scan_info *bss) | |
1940 | { | |
1941 | struct gelic_eurus_cmd *cmd; | |
1942 | struct gelic_eurus_common_cfg *common; | |
1943 | int ret = 0; | |
1944 | unsigned long rc; | |
1945 | ||
1946 | pr_debug("%s: <-\n", __func__); | |
1947 | ||
1948 | /* do common config */ | |
13de15e7 MM |
1949 | common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL); |
1950 | if (!common) | |
1951 | return -ENOMEM; | |
1952 | ||
09dde54c MM |
1953 | memset(common, 0, sizeof(*common)); |
1954 | common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA); | |
1955 | common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG); | |
1956 | ||
1957 | common->scan_index = cpu_to_be16(bss->eurus_index); | |
1958 | switch (wl->auth_method) { | |
1959 | case GELIC_EURUS_AUTH_OPEN: | |
1960 | common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN); | |
1961 | break; | |
1962 | case GELIC_EURUS_AUTH_SHARED: | |
1963 | common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED); | |
1964 | break; | |
1965 | } | |
1966 | ||
1967 | #ifdef DEBUG | |
1968 | scan_list_dump(wl); | |
1969 | #endif | |
1970 | pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__, | |
1971 | be16_to_cpu(common->scan_index), | |
1972 | be16_to_cpu(common->bss_type), | |
1973 | be16_to_cpu(common->auth_method)); | |
1974 | ||
1975 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG, | |
1976 | common, sizeof(*common)); | |
1977 | if (!cmd || cmd->status || cmd->cmd_status) { | |
1978 | ret = -ENOMEM; | |
1979 | kfree(cmd); | |
1980 | goto out; | |
1981 | } | |
1982 | kfree(cmd); | |
1983 | ||
1984 | /* WEP/WPA */ | |
1985 | switch (wl->wpa_level) { | |
1986 | case GELIC_WL_WPA_LEVEL_NONE: | |
1987 | /* If WEP or no security, setup WEP config */ | |
1988 | ret = gelic_wl_do_wep_setup(wl); | |
1989 | break; | |
1990 | case GELIC_WL_WPA_LEVEL_WPA: | |
1991 | case GELIC_WL_WPA_LEVEL_WPA2: | |
1992 | ret = gelic_wl_do_wpa_setup(wl); | |
1993 | break; | |
1994 | }; | |
1995 | ||
1996 | if (ret) { | |
1997 | pr_debug("%s: WEP/WPA setup failed %d\n", __func__, | |
1998 | ret); | |
c6dbe17f MM |
1999 | ret = -EPERM; |
2000 | gelic_wl_send_iwap_event(wl, NULL); | |
2001 | goto out; | |
09dde54c MM |
2002 | } |
2003 | ||
2004 | /* start association */ | |
2005 | init_completion(&wl->assoc_done); | |
2006 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING; | |
2007 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC, | |
2008 | NULL, 0); | |
2009 | if (!cmd || cmd->status || cmd->cmd_status) { | |
2010 | pr_debug("%s: assoc request failed\n", __func__); | |
2011 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; | |
2012 | kfree(cmd); | |
2013 | ret = -ENOMEM; | |
2014 | gelic_wl_send_iwap_event(wl, NULL); | |
2015 | goto out; | |
2016 | } | |
2017 | kfree(cmd); | |
2018 | ||
2019 | /* wait for connected event */ | |
2020 | rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/ | |
2021 | ||
2022 | if (!rc) { | |
2023 | /* timeouted. Maybe key or cyrpt mode is wrong */ | |
2024 | pr_info("%s: connect timeout \n", __func__); | |
2025 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, | |
2026 | NULL, 0); | |
2027 | kfree(cmd); | |
2028 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; | |
2029 | gelic_wl_send_iwap_event(wl, NULL); | |
2030 | ret = -ENXIO; | |
2031 | } else { | |
2032 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED; | |
2033 | /* copy bssid */ | |
2034 | memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN); | |
2035 | ||
2036 | /* send connect event */ | |
2037 | gelic_wl_send_iwap_event(wl, wl->active_bssid); | |
2038 | pr_info("%s: connected\n", __func__); | |
2039 | } | |
2040 | out: | |
13de15e7 | 2041 | free_page((unsigned long)common); |
09dde54c MM |
2042 | pr_debug("%s: ->\n", __func__); |
2043 | return ret; | |
2044 | } | |
2045 | ||
2046 | /* | |
2047 | * connected event | |
2048 | */ | |
2049 | static void gelic_wl_connected_event(struct gelic_wl_info *wl, | |
2050 | u64 event) | |
2051 | { | |
2052 | u64 desired_event = 0; | |
2053 | ||
2054 | switch (wl->wpa_level) { | |
2055 | case GELIC_WL_WPA_LEVEL_NONE: | |
2056 | desired_event = GELIC_LV1_WL_EVENT_CONNECTED; | |
2057 | break; | |
2058 | case GELIC_WL_WPA_LEVEL_WPA: | |
2059 | case GELIC_WL_WPA_LEVEL_WPA2: | |
2060 | desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED; | |
2061 | break; | |
2062 | } | |
2063 | ||
2064 | if (desired_event == event) { | |
2065 | pr_debug("%s: completed \n", __func__); | |
2066 | complete(&wl->assoc_done); | |
2067 | netif_carrier_on(port_to_netdev(wl_port(wl))); | |
2068 | } else | |
309ea626 | 2069 | pr_debug("%s: event %#llx under wpa\n", |
09dde54c MM |
2070 | __func__, event); |
2071 | } | |
2072 | ||
2073 | /* | |
2074 | * disconnect event | |
2075 | */ | |
2076 | static void gelic_wl_disconnect_event(struct gelic_wl_info *wl, | |
2077 | u64 event) | |
2078 | { | |
2079 | struct gelic_eurus_cmd *cmd; | |
2080 | int lock; | |
2081 | ||
2082 | /* | |
2083 | * If we fall here in the middle of association, | |
2084 | * associate_bss() should be waiting for complation of | |
2085 | * wl->assoc_done. | |
2086 | * As it waits with timeout, just leave assoc_done | |
2087 | * uncompleted, then it terminates with timeout | |
2088 | */ | |
bb2d67a3 | 2089 | if (!mutex_trylock(&wl->assoc_stat_lock)) { |
09dde54c MM |
2090 | pr_debug("%s: already locked\n", __func__); |
2091 | lock = 0; | |
2092 | } else { | |
2093 | pr_debug("%s: obtain lock\n", __func__); | |
2094 | lock = 1; | |
2095 | } | |
2096 | ||
2097 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0); | |
2098 | kfree(cmd); | |
2099 | ||
2100 | /* send disconnected event to the supplicant */ | |
2101 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) | |
2102 | gelic_wl_send_iwap_event(wl, NULL); | |
2103 | ||
2104 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; | |
2105 | netif_carrier_off(port_to_netdev(wl_port(wl))); | |
2106 | ||
2107 | if (lock) | |
bb2d67a3 | 2108 | mutex_unlock(&wl->assoc_stat_lock); |
09dde54c MM |
2109 | } |
2110 | /* | |
2111 | * event worker | |
2112 | */ | |
2113 | #ifdef DEBUG | |
2114 | static const char *eventstr(enum gelic_lv1_wl_event event) | |
2115 | { | |
2116 | static char buf[32]; | |
2117 | char *ret; | |
2118 | if (event & GELIC_LV1_WL_EVENT_DEVICE_READY) | |
2119 | ret = "EURUS_READY"; | |
2120 | else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED) | |
2121 | ret = "SCAN_COMPLETED"; | |
2122 | else if (event & GELIC_LV1_WL_EVENT_DEAUTH) | |
2123 | ret = "DEAUTH"; | |
2124 | else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST) | |
2125 | ret = "BEACON_LOST"; | |
2126 | else if (event & GELIC_LV1_WL_EVENT_CONNECTED) | |
2127 | ret = "CONNECTED"; | |
2128 | else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED) | |
2129 | ret = "WPA_CONNECTED"; | |
2130 | else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR) | |
2131 | ret = "WPA_ERROR"; | |
2132 | else { | |
2133 | sprintf(buf, "Unknown(%#x)", event); | |
2134 | ret = buf; | |
2135 | } | |
2136 | return ret; | |
2137 | } | |
2138 | #else | |
2139 | static const char *eventstr(enum gelic_lv1_wl_event event) | |
2140 | { | |
2141 | return NULL; | |
2142 | } | |
2143 | #endif | |
2144 | static void gelic_wl_event_worker(struct work_struct *work) | |
2145 | { | |
2146 | struct gelic_wl_info *wl; | |
2147 | struct gelic_port *port; | |
2148 | u64 event, tmp; | |
2149 | int status; | |
2150 | ||
2151 | pr_debug("%s:start\n", __func__); | |
2152 | wl = container_of(work, struct gelic_wl_info, event_work.work); | |
2153 | port = wl_port(wl); | |
2154 | while (1) { | |
2155 | status = lv1_net_control(bus_id(port->card), dev_id(port->card), | |
2156 | GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0, | |
2157 | &event, &tmp); | |
2158 | if (status) { | |
2159 | if (status != LV1_NO_ENTRY) | |
2160 | pr_debug("%s:wlan event failed %d\n", | |
2161 | __func__, status); | |
2162 | /* got all events */ | |
2163 | pr_debug("%s:end\n", __func__); | |
2164 | return; | |
2165 | } | |
2166 | pr_debug("%s: event=%s\n", __func__, eventstr(event)); | |
2167 | switch (event) { | |
2168 | case GELIC_LV1_WL_EVENT_SCAN_COMPLETED: | |
2169 | gelic_wl_scan_complete_event(wl); | |
2170 | break; | |
2171 | case GELIC_LV1_WL_EVENT_BEACON_LOST: | |
2172 | case GELIC_LV1_WL_EVENT_DEAUTH: | |
2173 | gelic_wl_disconnect_event(wl, event); | |
2174 | break; | |
2175 | case GELIC_LV1_WL_EVENT_CONNECTED: | |
2176 | case GELIC_LV1_WL_EVENT_WPA_CONNECTED: | |
2177 | gelic_wl_connected_event(wl, event); | |
2178 | break; | |
2179 | default: | |
2180 | break; | |
2181 | } | |
2182 | } /* while */ | |
2183 | } | |
2184 | /* | |
2185 | * association worker | |
2186 | */ | |
2187 | static void gelic_wl_assoc_worker(struct work_struct *work) | |
2188 | { | |
2189 | struct gelic_wl_info *wl; | |
2190 | ||
2191 | struct gelic_wl_scan_info *best_bss; | |
2192 | int ret; | |
7fd871ed MM |
2193 | unsigned long irqflag; |
2194 | u8 *essid; | |
2195 | size_t essid_len; | |
09dde54c MM |
2196 | |
2197 | wl = container_of(work, struct gelic_wl_info, assoc_work.work); | |
2198 | ||
bb2d67a3 | 2199 | mutex_lock(&wl->assoc_stat_lock); |
09dde54c MM |
2200 | |
2201 | if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN) | |
2202 | goto out; | |
2203 | ||
7fd871ed MM |
2204 | spin_lock_irqsave(&wl->lock, irqflag); |
2205 | if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) { | |
2206 | pr_debug("%s: assoc ESSID configured %s\n", __func__, | |
2207 | wl->essid); | |
2208 | essid = wl->essid; | |
2209 | essid_len = wl->essid_len; | |
2210 | } else { | |
2211 | essid = NULL; | |
2212 | essid_len = 0; | |
2213 | } | |
2214 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
2215 | ||
2216 | ret = gelic_wl_start_scan(wl, 0, essid, essid_len); | |
09dde54c MM |
2217 | if (ret == -ERESTARTSYS) { |
2218 | pr_debug("%s: scan start failed association\n", __func__); | |
2219 | schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/ | |
2220 | goto out; | |
2221 | } else if (ret) { | |
2222 | pr_info("%s: scan prerequisite failed\n", __func__); | |
2223 | goto out; | |
2224 | } | |
2225 | ||
2226 | /* | |
2227 | * Wait for bss scan completion | |
2228 | * If we have scan list already, gelic_wl_start_scan() | |
2229 | * returns OK and raises the complete. Thus, | |
2230 | * it's ok to wait unconditionally here | |
2231 | */ | |
2232 | wait_for_completion(&wl->scan_done); | |
2233 | ||
2234 | pr_debug("%s: scan done\n", __func__); | |
706ddd60 | 2235 | mutex_lock(&wl->scan_lock); |
09dde54c MM |
2236 | if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) { |
2237 | gelic_wl_send_iwap_event(wl, NULL); | |
2238 | pr_info("%s: no scan list. association failed\n", __func__); | |
2239 | goto scan_lock_out; | |
2240 | } | |
2241 | ||
2242 | /* find best matching bss */ | |
2243 | best_bss = gelic_wl_find_best_bss(wl); | |
2244 | if (!best_bss) { | |
2245 | gelic_wl_send_iwap_event(wl, NULL); | |
2246 | pr_info("%s: no bss matched. association failed\n", __func__); | |
2247 | goto scan_lock_out; | |
2248 | } | |
2249 | ||
2250 | /* ok, do association */ | |
2251 | ret = gelic_wl_associate_bss(wl, best_bss); | |
2252 | if (ret) | |
2253 | pr_info("%s: association failed %d\n", __func__, ret); | |
2254 | scan_lock_out: | |
706ddd60 | 2255 | mutex_unlock(&wl->scan_lock); |
09dde54c | 2256 | out: |
bb2d67a3 | 2257 | mutex_unlock(&wl->assoc_stat_lock); |
09dde54c MM |
2258 | } |
2259 | /* | |
2260 | * Interrupt handler | |
2261 | * Called from the ethernet interrupt handler | |
2262 | * Processes wireless specific virtual interrupts only | |
2263 | */ | |
2264 | void gelic_wl_interrupt(struct net_device *netdev, u64 status) | |
2265 | { | |
2266 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
2267 | ||
2268 | if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) { | |
2269 | pr_debug("%s:cmd complete\n", __func__); | |
2270 | complete(&wl->cmd_done_intr); | |
2271 | } | |
2272 | ||
2273 | if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) { | |
2274 | pr_debug("%s:event received\n", __func__); | |
2275 | queue_delayed_work(wl->event_queue, &wl->event_work, 0); | |
2276 | } | |
2277 | } | |
2278 | ||
2279 | /* | |
2280 | * driver helpers | |
2281 | */ | |
2282 | #define IW_IOCTL(n) [(n) - SIOCSIWCOMMIT] | |
2283 | static const iw_handler gelic_wl_wext_handler[] = | |
2284 | { | |
2285 | IW_IOCTL(SIOCGIWNAME) = gelic_wl_get_name, | |
2286 | IW_IOCTL(SIOCGIWRANGE) = gelic_wl_get_range, | |
2287 | IW_IOCTL(SIOCSIWSCAN) = gelic_wl_set_scan, | |
2288 | IW_IOCTL(SIOCGIWSCAN) = gelic_wl_get_scan, | |
2289 | IW_IOCTL(SIOCSIWAUTH) = gelic_wl_set_auth, | |
2290 | IW_IOCTL(SIOCGIWAUTH) = gelic_wl_get_auth, | |
2291 | IW_IOCTL(SIOCSIWESSID) = gelic_wl_set_essid, | |
2292 | IW_IOCTL(SIOCGIWESSID) = gelic_wl_get_essid, | |
2293 | IW_IOCTL(SIOCSIWENCODE) = gelic_wl_set_encode, | |
2294 | IW_IOCTL(SIOCGIWENCODE) = gelic_wl_get_encode, | |
2295 | IW_IOCTL(SIOCSIWAP) = gelic_wl_set_ap, | |
2296 | IW_IOCTL(SIOCGIWAP) = gelic_wl_get_ap, | |
2297 | IW_IOCTL(SIOCSIWENCODEEXT) = gelic_wl_set_encodeext, | |
2298 | IW_IOCTL(SIOCGIWENCODEEXT) = gelic_wl_get_encodeext, | |
2299 | IW_IOCTL(SIOCSIWMODE) = gelic_wl_set_mode, | |
2300 | IW_IOCTL(SIOCGIWMODE) = gelic_wl_get_mode, | |
2301 | IW_IOCTL(SIOCGIWNICKN) = gelic_wl_get_nick, | |
2302 | }; | |
2303 | ||
09dde54c MM |
2304 | static const struct iw_handler_def gelic_wl_wext_handler_def = { |
2305 | .num_standard = ARRAY_SIZE(gelic_wl_wext_handler), | |
2306 | .standard = gelic_wl_wext_handler, | |
2307 | .get_wireless_stats = gelic_wl_get_wireless_stats, | |
09dde54c MM |
2308 | }; |
2309 | ||
48dce82c | 2310 | static struct net_device * __devinit gelic_wl_alloc(struct gelic_card *card) |
09dde54c MM |
2311 | { |
2312 | struct net_device *netdev; | |
2313 | struct gelic_port *port; | |
2314 | struct gelic_wl_info *wl; | |
2315 | unsigned int i; | |
2316 | ||
2317 | pr_debug("%s:start\n", __func__); | |
2318 | netdev = alloc_etherdev(sizeof(struct gelic_port) + | |
2319 | sizeof(struct gelic_wl_info)); | |
2320 | pr_debug("%s: netdev =%p card=%p \np", __func__, netdev, card); | |
2321 | if (!netdev) | |
2322 | return NULL; | |
2323 | ||
c1e889be MM |
2324 | strcpy(netdev->name, "wlan%d"); |
2325 | ||
09dde54c MM |
2326 | port = netdev_priv(netdev); |
2327 | port->netdev = netdev; | |
2328 | port->card = card; | |
2329 | port->type = GELIC_PORT_WIRELESS; | |
2330 | ||
2331 | wl = port_wl(port); | |
2332 | pr_debug("%s: wl=%p port=%p\n", __func__, wl, port); | |
2333 | ||
2334 | /* allocate scan list */ | |
2335 | wl->networks = kzalloc(sizeof(struct gelic_wl_scan_info) * | |
2336 | GELIC_WL_BSS_MAX_ENT, GFP_KERNEL); | |
2337 | ||
2338 | if (!wl->networks) | |
2339 | goto fail_bss; | |
2340 | ||
2341 | wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd"); | |
2342 | if (!wl->eurus_cmd_queue) | |
2343 | goto fail_cmd_workqueue; | |
2344 | ||
2345 | wl->event_queue = create_singlethread_workqueue("gelic_event"); | |
2346 | if (!wl->event_queue) | |
2347 | goto fail_event_workqueue; | |
2348 | ||
2349 | INIT_LIST_HEAD(&wl->network_free_list); | |
2350 | INIT_LIST_HEAD(&wl->network_list); | |
2351 | for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++) | |
2352 | list_add_tail(&wl->networks[i].list, | |
2353 | &wl->network_free_list); | |
2354 | init_completion(&wl->cmd_done_intr); | |
2355 | ||
2356 | INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker); | |
2357 | INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker); | |
706ddd60 | 2358 | mutex_init(&wl->scan_lock); |
bb2d67a3 | 2359 | mutex_init(&wl->assoc_stat_lock); |
09dde54c MM |
2360 | |
2361 | init_completion(&wl->scan_done); | |
2362 | /* for the case that no scan request is issued and stop() is called */ | |
2363 | complete(&wl->scan_done); | |
2364 | ||
2365 | spin_lock_init(&wl->lock); | |
2366 | ||
2367 | wl->scan_age = 5*HZ; /* FIXME */ | |
2368 | ||
2369 | /* buffer for receiving scanned list etc */ | |
2370 | BUILD_BUG_ON(PAGE_SIZE < | |
2371 | sizeof(struct gelic_eurus_scan_info) * | |
2372 | GELIC_EURUS_MAX_SCAN); | |
09dde54c MM |
2373 | pr_debug("%s:end\n", __func__); |
2374 | return netdev; | |
2375 | ||
09dde54c MM |
2376 | fail_event_workqueue: |
2377 | destroy_workqueue(wl->eurus_cmd_queue); | |
2378 | fail_cmd_workqueue: | |
2379 | kfree(wl->networks); | |
2380 | fail_bss: | |
2381 | free_netdev(netdev); | |
2382 | pr_debug("%s:end error\n", __func__); | |
2383 | return NULL; | |
2384 | ||
2385 | } | |
2386 | ||
2387 | static void gelic_wl_free(struct gelic_wl_info *wl) | |
2388 | { | |
2389 | struct gelic_wl_scan_info *scan_info; | |
2390 | unsigned int i; | |
2391 | ||
2392 | pr_debug("%s: <-\n", __func__); | |
2393 | ||
2394 | pr_debug("%s: destroy queues\n", __func__); | |
2395 | destroy_workqueue(wl->eurus_cmd_queue); | |
2396 | destroy_workqueue(wl->event_queue); | |
2397 | ||
2398 | scan_info = wl->networks; | |
2399 | for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++) | |
2400 | kfree(scan_info->hwinfo); | |
2401 | kfree(wl->networks); | |
2402 | ||
2403 | free_netdev(port_to_netdev(wl_port(wl))); | |
2404 | ||
2405 | pr_debug("%s: ->\n", __func__); | |
2406 | } | |
2407 | ||
2408 | static int gelic_wl_try_associate(struct net_device *netdev) | |
2409 | { | |
2410 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
2411 | int ret = -1; | |
2412 | unsigned int i; | |
2413 | ||
2414 | pr_debug("%s: <-\n", __func__); | |
2415 | ||
2416 | /* check constraits for start association */ | |
2417 | /* for no access restriction AP */ | |
2418 | if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) { | |
2419 | if (test_bit(GELIC_WL_STAT_CONFIGURED, | |
2420 | &wl->stat)) | |
2421 | goto do_associate; | |
2422 | else { | |
2423 | pr_debug("%s: no wep, not configured\n", __func__); | |
2424 | return ret; | |
2425 | } | |
2426 | } | |
2427 | ||
2428 | /* for WEP, one of four keys should be set */ | |
2429 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { | |
2430 | /* one of keys set */ | |
2431 | for (i = 0; i < GELIC_WEP_KEYS; i++) { | |
2432 | if (test_bit(i, &wl->key_enabled)) | |
2433 | goto do_associate; | |
2434 | } | |
2435 | pr_debug("%s: WEP, but no key specified\n", __func__); | |
2436 | return ret; | |
2437 | } | |
2438 | ||
2439 | /* for WPA[2], psk should be set */ | |
2440 | if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) || | |
2441 | (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) { | |
2442 | if (test_bit(GELIC_WL_STAT_WPA_PSK_SET, | |
2443 | &wl->stat)) | |
2444 | goto do_associate; | |
2445 | else { | |
2446 | pr_debug("%s: AES/TKIP, but PSK not configured\n", | |
2447 | __func__); | |
2448 | return ret; | |
2449 | } | |
2450 | } | |
2451 | ||
2452 | do_associate: | |
2453 | ret = schedule_delayed_work(&wl->assoc_work, 0); | |
2454 | pr_debug("%s: start association work %d\n", __func__, ret); | |
2455 | return ret; | |
2456 | } | |
2457 | ||
2458 | /* | |
2459 | * netdev handlers | |
2460 | */ | |
2461 | static int gelic_wl_open(struct net_device *netdev) | |
2462 | { | |
2463 | struct gelic_card *card = netdev_card(netdev); | |
2464 | ||
2465 | pr_debug("%s:->%p\n", __func__, netdev); | |
2466 | ||
2467 | gelic_card_up(card); | |
2468 | ||
2469 | /* try to associate */ | |
2470 | gelic_wl_try_associate(netdev); | |
2471 | ||
2472 | netif_start_queue(netdev); | |
2473 | ||
2474 | pr_debug("%s:<-\n", __func__); | |
2475 | return 0; | |
2476 | } | |
2477 | ||
2478 | /* | |
2479 | * reset state machine | |
2480 | */ | |
2481 | static int gelic_wl_reset_state(struct gelic_wl_info *wl) | |
2482 | { | |
2483 | struct gelic_wl_scan_info *target; | |
2484 | struct gelic_wl_scan_info *tmp; | |
2485 | ||
2486 | /* empty scan list */ | |
2487 | list_for_each_entry_safe(target, tmp, &wl->network_list, list) { | |
2488 | list_move_tail(&target->list, &wl->network_free_list); | |
2489 | } | |
2490 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; | |
2491 | ||
2492 | /* clear configuration */ | |
2493 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
2494 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; | |
2495 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; | |
2496 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; | |
2497 | ||
2498 | wl->key_enabled = 0; | |
2499 | wl->current_key = 0; | |
2500 | ||
2501 | wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE; | |
2502 | wl->psk_len = 0; | |
2503 | ||
2504 | wl->essid_len = 0; | |
2505 | memset(wl->essid, 0, sizeof(wl->essid)); | |
2506 | memset(wl->bssid, 0, sizeof(wl->bssid)); | |
2507 | memset(wl->active_bssid, 0, sizeof(wl->active_bssid)); | |
2508 | ||
2509 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; | |
2510 | ||
2511 | memset(&wl->iwstat, 0, sizeof(wl->iwstat)); | |
2512 | /* all status bit clear */ | |
2513 | wl->stat = 0; | |
2514 | return 0; | |
2515 | } | |
2516 | ||
2517 | /* | |
2518 | * Tell eurus to terminate association | |
2519 | */ | |
2520 | static void gelic_wl_disconnect(struct net_device *netdev) | |
2521 | { | |
2522 | struct gelic_port *port = netdev_priv(netdev); | |
2523 | struct gelic_wl_info *wl = port_wl(port); | |
2524 | struct gelic_eurus_cmd *cmd; | |
2525 | ||
2526 | /* | |
2527 | * If scann process is running on chip, | |
2528 | * further requests will be rejected | |
2529 | */ | |
2530 | if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) | |
2531 | wait_for_completion_timeout(&wl->scan_done, HZ); | |
2532 | ||
2533 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0); | |
2534 | kfree(cmd); | |
2535 | gelic_wl_send_iwap_event(wl, NULL); | |
2536 | }; | |
2537 | ||
2538 | static int gelic_wl_stop(struct net_device *netdev) | |
2539 | { | |
2540 | struct gelic_port *port = netdev_priv(netdev); | |
2541 | struct gelic_wl_info *wl = port_wl(port); | |
2542 | struct gelic_card *card = netdev_card(netdev); | |
2543 | ||
2544 | pr_debug("%s:<-\n", __func__); | |
2545 | ||
2546 | /* | |
2547 | * Cancel pending association work. | |
2548 | * event work can run after netdev down | |
2549 | */ | |
2550 | cancel_delayed_work(&wl->assoc_work); | |
2551 | ||
2552 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) | |
2553 | gelic_wl_disconnect(netdev); | |
2554 | ||
2555 | /* reset our state machine */ | |
2556 | gelic_wl_reset_state(wl); | |
2557 | ||
2558 | netif_stop_queue(netdev); | |
2559 | ||
2560 | gelic_card_down(card); | |
2561 | ||
2562 | pr_debug("%s:->\n", __func__); | |
2563 | return 0; | |
2564 | } | |
2565 | ||
2566 | /* -- */ | |
2567 | ||
31e2b7bd MM |
2568 | static const struct net_device_ops gelic_wl_netdevice_ops = { |
2569 | .ndo_open = gelic_wl_open, | |
2570 | .ndo_stop = gelic_wl_stop, | |
2571 | .ndo_start_xmit = gelic_net_xmit, | |
2572 | .ndo_set_multicast_list = gelic_net_set_multi, | |
2573 | .ndo_change_mtu = gelic_net_change_mtu, | |
2574 | .ndo_tx_timeout = gelic_net_tx_timeout, | |
240c102d | 2575 | .ndo_set_mac_address = eth_mac_addr, |
31e2b7bd MM |
2576 | .ndo_validate_addr = eth_validate_addr, |
2577 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2578 | .ndo_poll_controller = gelic_net_poll_controller, | |
2579 | #endif | |
2580 | }; | |
2581 | ||
0fc0b732 | 2582 | static const struct ethtool_ops gelic_wl_ethtool_ops = { |
09dde54c MM |
2583 | .get_drvinfo = gelic_net_get_drvinfo, |
2584 | .get_link = gelic_wl_get_link, | |
2585 | .get_tx_csum = ethtool_op_get_tx_csum, | |
2586 | .set_tx_csum = ethtool_op_set_tx_csum, | |
2587 | .get_rx_csum = gelic_net_get_rx_csum, | |
2588 | .set_rx_csum = gelic_net_set_rx_csum, | |
2589 | }; | |
2590 | ||
48dce82c | 2591 | static void __devinit gelic_wl_setup_netdev_ops(struct net_device *netdev) |
09dde54c MM |
2592 | { |
2593 | struct gelic_wl_info *wl; | |
2594 | wl = port_wl(netdev_priv(netdev)); | |
2595 | BUG_ON(!wl); | |
09dde54c MM |
2596 | netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT; |
2597 | ||
2598 | netdev->ethtool_ops = &gelic_wl_ethtool_ops; | |
31e2b7bd MM |
2599 | netdev->netdev_ops = &gelic_wl_netdevice_ops; |
2600 | netdev->wireless_data = &wl->wireless_data; | |
2601 | netdev->wireless_handlers = &gelic_wl_wext_handler_def; | |
09dde54c MM |
2602 | } |
2603 | ||
2604 | /* | |
2605 | * driver probe/remove | |
2606 | */ | |
48dce82c | 2607 | int __devinit gelic_wl_driver_probe(struct gelic_card *card) |
09dde54c MM |
2608 | { |
2609 | int ret; | |
2610 | struct net_device *netdev; | |
2611 | ||
2612 | pr_debug("%s:start\n", __func__); | |
2613 | ||
2614 | if (ps3_compare_firmware_version(1, 6, 0) < 0) | |
2615 | return 0; | |
2616 | if (!card->vlan[GELIC_PORT_WIRELESS].tx) | |
2617 | return 0; | |
2618 | ||
2619 | /* alloc netdevice for wireless */ | |
2620 | netdev = gelic_wl_alloc(card); | |
2621 | if (!netdev) | |
2622 | return -ENOMEM; | |
2623 | ||
2624 | /* setup net_device structure */ | |
4b74850d | 2625 | SET_NETDEV_DEV(netdev, &card->dev->core); |
09dde54c MM |
2626 | gelic_wl_setup_netdev_ops(netdev); |
2627 | ||
2628 | /* setup some of net_device and register it */ | |
2629 | ret = gelic_net_setup_netdev(netdev, card); | |
2630 | if (ret) | |
2631 | goto fail_setup; | |
2632 | card->netdev[GELIC_PORT_WIRELESS] = netdev; | |
2633 | ||
2634 | /* add enable wireless interrupt */ | |
2635 | card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED | | |
2636 | GELIC_CARD_WLAN_COMMAND_COMPLETED; | |
2637 | /* to allow wireless commands while both interfaces are down */ | |
2638 | gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED | | |
2639 | GELIC_CARD_WLAN_COMMAND_COMPLETED); | |
2640 | pr_debug("%s:end\n", __func__); | |
2641 | return 0; | |
2642 | ||
2643 | fail_setup: | |
2644 | gelic_wl_free(port_wl(netdev_port(netdev))); | |
2645 | ||
2646 | return ret; | |
2647 | } | |
2648 | ||
2649 | int gelic_wl_driver_remove(struct gelic_card *card) | |
2650 | { | |
2651 | struct gelic_wl_info *wl; | |
2652 | struct net_device *netdev; | |
2653 | ||
2654 | pr_debug("%s:start\n", __func__); | |
2655 | ||
2656 | if (ps3_compare_firmware_version(1, 6, 0) < 0) | |
2657 | return 0; | |
2658 | if (!card->vlan[GELIC_PORT_WIRELESS].tx) | |
2659 | return 0; | |
2660 | ||
2661 | netdev = card->netdev[GELIC_PORT_WIRELESS]; | |
2662 | wl = port_wl(netdev_priv(netdev)); | |
2663 | ||
2664 | /* if the interface was not up, but associated */ | |
2665 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) | |
2666 | gelic_wl_disconnect(netdev); | |
2667 | ||
2668 | complete(&wl->cmd_done_intr); | |
2669 | ||
2670 | /* cancel all work queue */ | |
2671 | cancel_delayed_work(&wl->assoc_work); | |
2672 | cancel_delayed_work(&wl->event_work); | |
2673 | flush_workqueue(wl->eurus_cmd_queue); | |
2674 | flush_workqueue(wl->event_queue); | |
2675 | ||
2676 | unregister_netdev(netdev); | |
2677 | ||
2678 | /* disable wireless interrupt */ | |
2679 | pr_debug("%s: disable intr\n", __func__); | |
2680 | card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED | | |
2681 | GELIC_CARD_WLAN_COMMAND_COMPLETED); | |
2682 | /* free bss list, netdev*/ | |
2683 | gelic_wl_free(wl); | |
2684 | pr_debug("%s:end\n", __func__); | |
2685 | return 0; | |
2686 | } |