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Commit | Line | Data |
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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> | |
33 | #include <linux/ctype.h> | |
34 | #include <linux/string.h> | |
35 | #include <net/iw_handler.h> | |
36 | #include <net/ieee80211.h> | |
37 | ||
38 | #include <linux/dma-mapping.h> | |
39 | #include <net/checksum.h> | |
40 | #include <asm/firmware.h> | |
41 | #include <asm/ps3.h> | |
42 | #include <asm/lv1call.h> | |
43 | ||
44 | #include "ps3_gelic_net.h" | |
45 | #include "ps3_gelic_wireless.h" | |
46 | ||
47 | ||
48 | static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan); | |
49 | static int gelic_wl_try_associate(struct net_device *netdev); | |
50 | ||
51 | /* | |
52 | * tables | |
53 | */ | |
54 | ||
55 | /* 802.11b/g channel to freq in MHz */ | |
56 | static const int channel_freq[] = { | |
57 | 2412, 2417, 2422, 2427, 2432, | |
58 | 2437, 2442, 2447, 2452, 2457, | |
59 | 2462, 2467, 2472, 2484 | |
60 | }; | |
61 | #define NUM_CHANNELS ARRAY_SIZE(channel_freq) | |
62 | ||
63 | /* in bps */ | |
64 | static const int bitrate_list[] = { | |
65 | 1000000, | |
66 | 2000000, | |
67 | 5500000, | |
68 | 11000000, | |
69 | 6000000, | |
70 | 9000000, | |
71 | 12000000, | |
72 | 18000000, | |
73 | 24000000, | |
74 | 36000000, | |
75 | 48000000, | |
76 | 54000000 | |
77 | }; | |
78 | #define NUM_BITRATES ARRAY_SIZE(bitrate_list) | |
79 | ||
80 | /* | |
81 | * wpa2 support requires the hypervisor version 2.0 or later | |
82 | */ | |
83 | static inline int wpa2_capable(void) | |
84 | { | |
85 | return (0 <= ps3_compare_firmware_version(2, 0, 0)); | |
86 | } | |
87 | ||
88 | static inline int precise_ie(void) | |
89 | { | |
49d20fac | 90 | return (0 <= ps3_compare_firmware_version(2, 2, 0)); |
09dde54c MM |
91 | } |
92 | /* | |
93 | * post_eurus_cmd helpers | |
94 | */ | |
95 | struct eurus_cmd_arg_info { | |
96 | int pre_arg; /* command requres arg1, arg2 at POST COMMAND */ | |
97 | int post_arg; /* command requires arg1, arg2 at GET_RESULT */ | |
98 | }; | |
99 | ||
100 | static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = { | |
101 | [GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1}, | |
102 | [GELIC_EURUS_CMD_SET_WEP_CFG] = { .pre_arg = 1}, | |
103 | [GELIC_EURUS_CMD_SET_WPA_CFG] = { .pre_arg = 1}, | |
104 | [GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1}, | |
105 | [GELIC_EURUS_CMD_GET_WEP_CFG] = { .post_arg = 1}, | |
106 | [GELIC_EURUS_CMD_GET_WPA_CFG] = { .post_arg = 1}, | |
107 | [GELIC_EURUS_CMD_GET_RSSI_CFG] = { .post_arg = 1}, | |
108 | [GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1}, | |
109 | }; | |
110 | ||
111 | #ifdef DEBUG | |
112 | static const char *cmdstr(enum gelic_eurus_command ix) | |
113 | { | |
114 | switch (ix) { | |
115 | case GELIC_EURUS_CMD_ASSOC: | |
116 | return "ASSOC"; | |
117 | case GELIC_EURUS_CMD_DISASSOC: | |
118 | return "DISASSOC"; | |
119 | case GELIC_EURUS_CMD_START_SCAN: | |
120 | return "SCAN"; | |
121 | case GELIC_EURUS_CMD_GET_SCAN: | |
122 | return "GET SCAN"; | |
123 | case GELIC_EURUS_CMD_SET_COMMON_CFG: | |
124 | return "SET_COMMON_CFG"; | |
125 | case GELIC_EURUS_CMD_GET_COMMON_CFG: | |
126 | return "GET_COMMON_CFG"; | |
127 | case GELIC_EURUS_CMD_SET_WEP_CFG: | |
128 | return "SET_WEP_CFG"; | |
129 | case GELIC_EURUS_CMD_GET_WEP_CFG: | |
130 | return "GET_WEP_CFG"; | |
131 | case GELIC_EURUS_CMD_SET_WPA_CFG: | |
132 | return "SET_WPA_CFG"; | |
133 | case GELIC_EURUS_CMD_GET_WPA_CFG: | |
134 | return "GET_WPA_CFG"; | |
135 | case GELIC_EURUS_CMD_GET_RSSI_CFG: | |
136 | return "GET_RSSI"; | |
137 | default: | |
138 | break; | |
139 | } | |
140 | return ""; | |
141 | }; | |
142 | #else | |
143 | static inline const char *cmdstr(enum gelic_eurus_command ix) | |
144 | { | |
145 | return ""; | |
146 | } | |
147 | #endif | |
148 | ||
149 | /* synchronously do eurus commands */ | |
150 | static void gelic_eurus_sync_cmd_worker(struct work_struct *work) | |
151 | { | |
152 | struct gelic_eurus_cmd *cmd; | |
153 | struct gelic_card *card; | |
154 | struct gelic_wl_info *wl; | |
155 | ||
156 | u64 arg1, arg2; | |
157 | ||
158 | pr_debug("%s: <-\n", __func__); | |
159 | cmd = container_of(work, struct gelic_eurus_cmd, work); | |
160 | BUG_ON(cmd_info[cmd->cmd].pre_arg && | |
161 | cmd_info[cmd->cmd].post_arg); | |
162 | wl = cmd->wl; | |
163 | card = port_to_card(wl_port(wl)); | |
164 | ||
165 | if (cmd_info[cmd->cmd].pre_arg) { | |
166 | arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer)); | |
167 | arg2 = cmd->buf_size; | |
168 | } else { | |
169 | arg1 = 0; | |
170 | arg2 = 0; | |
171 | } | |
172 | init_completion(&wl->cmd_done_intr); | |
173 | pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd)); | |
174 | cmd->status = lv1_net_control(bus_id(card), dev_id(card), | |
175 | GELIC_LV1_POST_WLAN_CMD, | |
176 | cmd->cmd, arg1, arg2, | |
177 | &cmd->tag, &cmd->size); | |
178 | if (cmd->status) { | |
179 | complete(&cmd->done); | |
180 | pr_info("%s: cmd issue failed\n", __func__); | |
181 | return; | |
182 | } | |
183 | ||
184 | wait_for_completion(&wl->cmd_done_intr); | |
185 | ||
186 | if (cmd_info[cmd->cmd].post_arg) { | |
187 | arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer)); | |
188 | arg2 = cmd->buf_size; | |
189 | } else { | |
190 | arg1 = 0; | |
191 | arg2 = 0; | |
192 | } | |
193 | ||
194 | cmd->status = lv1_net_control(bus_id(card), dev_id(card), | |
195 | GELIC_LV1_GET_WLAN_CMD_RESULT, | |
196 | cmd->tag, arg1, arg2, | |
197 | &cmd->cmd_status, &cmd->size); | |
198 | #ifdef DEBUG | |
199 | if (cmd->status || cmd->cmd_status) { | |
200 | pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__, | |
201 | cmd->tag, arg1, arg2); | |
202 | pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n", | |
203 | __func__, cmd->status, cmd->cmd_status, cmd->size); | |
204 | } | |
205 | #endif | |
206 | complete(&cmd->done); | |
207 | pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd)); | |
208 | } | |
209 | ||
210 | static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl, | |
211 | unsigned int eurus_cmd, | |
212 | void *buffer, | |
213 | unsigned int buf_size) | |
214 | { | |
215 | struct gelic_eurus_cmd *cmd; | |
216 | ||
217 | /* allocate cmd */ | |
218 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
219 | if (!cmd) | |
220 | return NULL; | |
221 | ||
222 | /* initialize members */ | |
223 | cmd->cmd = eurus_cmd; | |
224 | cmd->buffer = buffer; | |
225 | cmd->buf_size = buf_size; | |
226 | cmd->wl = wl; | |
227 | INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker); | |
228 | init_completion(&cmd->done); | |
229 | queue_work(wl->eurus_cmd_queue, &cmd->work); | |
230 | ||
231 | /* wait for command completion */ | |
232 | wait_for_completion(&cmd->done); | |
233 | ||
234 | return cmd; | |
235 | } | |
236 | ||
237 | static u32 gelic_wl_get_link(struct net_device *netdev) | |
238 | { | |
239 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); | |
240 | u32 ret; | |
241 | ||
242 | pr_debug("%s: <-\n", __func__); | |
243 | down(&wl->assoc_stat_lock); | |
244 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) | |
245 | ret = 1; | |
246 | else | |
247 | ret = 0; | |
248 | up(&wl->assoc_stat_lock); | |
249 | pr_debug("%s: ->\n", __func__); | |
250 | return ret; | |
251 | } | |
252 | ||
253 | static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid) | |
254 | { | |
255 | union iwreq_data data; | |
256 | ||
257 | memset(&data, 0, sizeof(data)); | |
258 | if (bssid) | |
259 | memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN); | |
260 | data.ap_addr.sa_family = ARPHRD_ETHER; | |
261 | wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP, | |
262 | &data, NULL); | |
263 | } | |
264 | ||
265 | /* | |
266 | * wireless extension handlers and helpers | |
267 | */ | |
268 | ||
269 | /* SIOGIWNAME */ | |
270 | static int gelic_wl_get_name(struct net_device *dev, | |
271 | struct iw_request_info *info, | |
272 | union iwreq_data *iwreq, char *extra) | |
273 | { | |
274 | strcpy(iwreq->name, "IEEE 802.11bg"); | |
275 | return 0; | |
276 | } | |
277 | ||
278 | static void gelic_wl_get_ch_info(struct gelic_wl_info *wl) | |
279 | { | |
280 | struct gelic_card *card = port_to_card(wl_port(wl)); | |
281 | u64 ch_info_raw, tmp; | |
282 | int status; | |
283 | ||
284 | if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) { | |
285 | status = lv1_net_control(bus_id(card), dev_id(card), | |
286 | GELIC_LV1_GET_CHANNEL, 0, 0, 0, | |
287 | &ch_info_raw, | |
288 | &tmp); | |
289 | /* some fw versions may return error */ | |
290 | if (status) { | |
291 | if (status != LV1_NO_ENTRY) | |
292 | pr_info("%s: available ch unknown\n", __func__); | |
293 | wl->ch_info = 0x07ff;/* 11 ch */ | |
294 | } else | |
295 | /* 16 bits of MSB has available channels */ | |
296 | wl->ch_info = ch_info_raw >> 48; | |
297 | } | |
298 | return; | |
299 | } | |
300 | ||
301 | /* SIOGIWRANGE */ | |
302 | static int gelic_wl_get_range(struct net_device *netdev, | |
303 | struct iw_request_info *info, | |
304 | union iwreq_data *iwreq, char *extra) | |
305 | { | |
306 | struct iw_point *point = &iwreq->data; | |
307 | struct iw_range *range = (struct iw_range *)extra; | |
308 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); | |
309 | unsigned int i, chs; | |
310 | ||
311 | pr_debug("%s: <-\n", __func__); | |
312 | point->length = sizeof(struct iw_range); | |
313 | memset(range, 0, sizeof(struct iw_range)); | |
314 | ||
315 | range->we_version_compiled = WIRELESS_EXT; | |
316 | range->we_version_source = 22; | |
317 | ||
318 | /* available channels and frequencies */ | |
319 | gelic_wl_get_ch_info(wl); | |
320 | ||
321 | for (i = 0, chs = 0; | |
322 | i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++) | |
323 | if (wl->ch_info & (1 << i)) { | |
324 | range->freq[chs].i = i + 1; | |
325 | range->freq[chs].m = channel_freq[i]; | |
326 | range->freq[chs].e = 6; | |
327 | chs++; | |
328 | } | |
329 | range->num_frequency = chs; | |
330 | range->old_num_frequency = chs; | |
331 | range->num_channels = chs; | |
332 | range->old_num_channels = chs; | |
333 | ||
334 | /* bitrates */ | |
335 | for (i = 0; i < NUM_BITRATES; i++) | |
336 | range->bitrate[i] = bitrate_list[i]; | |
337 | range->num_bitrates = i; | |
338 | ||
339 | /* signal levels */ | |
340 | range->max_qual.qual = 100; /* relative value */ | |
341 | range->max_qual.level = 100; | |
342 | range->avg_qual.qual = 50; | |
343 | range->avg_qual.level = 50; | |
344 | range->sensitivity = 0; | |
345 | ||
346 | /* Event capability */ | |
347 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); | |
348 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); | |
349 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); | |
350 | ||
351 | /* encryption capability */ | |
352 | range->enc_capa = IW_ENC_CAPA_WPA | | |
353 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; | |
354 | if (wpa2_capable()) | |
355 | range->enc_capa |= IW_ENC_CAPA_WPA2; | |
356 | range->encoding_size[0] = 5; /* 40bit WEP */ | |
357 | range->encoding_size[1] = 13; /* 104bit WEP */ | |
358 | range->encoding_size[2] = 32; /* WPA-PSK */ | |
359 | range->num_encoding_sizes = 3; | |
360 | range->max_encoding_tokens = GELIC_WEP_KEYS; | |
361 | ||
362 | pr_debug("%s: ->\n", __func__); | |
363 | return 0; | |
364 | ||
365 | } | |
366 | ||
367 | /* SIOC{G,S}IWSCAN */ | |
368 | static int gelic_wl_set_scan(struct net_device *netdev, | |
369 | struct iw_request_info *info, | |
370 | union iwreq_data *wrqu, char *extra) | |
371 | { | |
372 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
373 | ||
374 | return gelic_wl_start_scan(wl, 1); | |
375 | } | |
376 | ||
377 | #define OUI_LEN 3 | |
378 | static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac }; | |
379 | static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 }; | |
380 | ||
381 | /* | |
382 | * synthesize WPA/RSN IE data | |
383 | * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25 | |
384 | * for the format | |
385 | */ | |
386 | static size_t gelic_wl_synthesize_ie(u8 *buf, | |
387 | struct gelic_eurus_scan_info *scan) | |
388 | { | |
389 | ||
390 | const u8 *oui_header; | |
391 | u8 *start = buf; | |
392 | int rsn; | |
393 | int ccmp; | |
394 | ||
395 | pr_debug("%s: <- sec=%16x\n", __func__, scan->security); | |
396 | switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) { | |
397 | case GELIC_EURUS_SCAN_SEC_WPA: | |
398 | rsn = 0; | |
399 | break; | |
400 | case GELIC_EURUS_SCAN_SEC_WPA2: | |
401 | rsn = 1; | |
402 | break; | |
403 | default: | |
404 | /* WEP or none. No IE returned */ | |
405 | return 0; | |
406 | } | |
407 | ||
408 | switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) { | |
409 | case GELIC_EURUS_SCAN_SEC_WPA_TKIP: | |
410 | ccmp = 0; | |
411 | break; | |
412 | case GELIC_EURUS_SCAN_SEC_WPA_AES: | |
413 | ccmp = 1; | |
414 | break; | |
415 | default: | |
416 | if (rsn) { | |
417 | ccmp = 1; | |
418 | pr_info("%s: no cipher info. defaulted to CCMP\n", | |
419 | __func__); | |
420 | } else { | |
421 | ccmp = 0; | |
422 | pr_info("%s: no cipher info. defaulted to TKIP\n", | |
423 | __func__); | |
424 | } | |
425 | } | |
426 | ||
427 | if (rsn) | |
428 | oui_header = rsn_oui; | |
429 | else | |
430 | oui_header = wpa_oui; | |
431 | ||
432 | /* element id */ | |
433 | if (rsn) | |
434 | *buf++ = MFIE_TYPE_RSN; | |
435 | else | |
436 | *buf++ = MFIE_TYPE_GENERIC; | |
437 | ||
438 | /* length filed; set later */ | |
439 | buf++; | |
440 | ||
441 | /* wpa special header */ | |
442 | if (!rsn) { | |
443 | memcpy(buf, wpa_oui, OUI_LEN); | |
444 | buf += OUI_LEN; | |
445 | *buf++ = 0x01; | |
446 | } | |
447 | ||
448 | /* version */ | |
449 | *buf++ = 0x01; /* version 1.0 */ | |
450 | *buf++ = 0x00; | |
451 | ||
452 | /* group cipher */ | |
453 | memcpy(buf, oui_header, OUI_LEN); | |
454 | buf += OUI_LEN; | |
455 | ||
456 | if (ccmp) | |
457 | *buf++ = 0x04; /* CCMP */ | |
458 | else | |
459 | *buf++ = 0x02; /* TKIP */ | |
460 | ||
461 | /* pairwise key count always 1 */ | |
462 | *buf++ = 0x01; | |
463 | *buf++ = 0x00; | |
464 | ||
465 | /* pairwise key suit */ | |
466 | memcpy(buf, oui_header, OUI_LEN); | |
467 | buf += OUI_LEN; | |
468 | if (ccmp) | |
469 | *buf++ = 0x04; /* CCMP */ | |
470 | else | |
471 | *buf++ = 0x02; /* TKIP */ | |
472 | ||
473 | /* AKM count is 1 */ | |
474 | *buf++ = 0x01; | |
475 | *buf++ = 0x00; | |
476 | ||
477 | /* AKM suite is assumed as PSK*/ | |
478 | memcpy(buf, oui_header, OUI_LEN); | |
479 | buf += OUI_LEN; | |
480 | *buf++ = 0x02; /* PSK */ | |
481 | ||
482 | /* RSN capabilities is 0 */ | |
483 | *buf++ = 0x00; | |
484 | *buf++ = 0x00; | |
485 | ||
486 | /* set length field */ | |
487 | start[1] = (buf - start - 2); | |
488 | ||
489 | pr_debug("%s: ->\n", __func__); | |
490 | return (buf - start); | |
491 | } | |
492 | ||
493 | struct ie_item { | |
494 | u8 *data; | |
495 | u8 len; | |
496 | }; | |
497 | ||
498 | struct ie_info { | |
499 | struct ie_item wpa; | |
500 | struct ie_item rsn; | |
501 | }; | |
502 | ||
503 | static void gelic_wl_parse_ie(u8 *data, size_t len, | |
504 | struct ie_info *ie_info) | |
505 | { | |
506 | size_t data_left = len; | |
507 | u8 *pos = data; | |
508 | u8 item_len; | |
509 | u8 item_id; | |
510 | ||
511 | pr_debug("%s: data=%p len=%ld \n", __func__, | |
512 | data, len); | |
513 | memset(ie_info, 0, sizeof(struct ie_info)); | |
514 | ||
b358492c | 515 | while (2 <= data_left) { |
09dde54c MM |
516 | item_id = *pos++; |
517 | item_len = *pos++; | |
b358492c MM |
518 | data_left -= 2; |
519 | ||
520 | if (data_left < item_len) | |
521 | break; | |
09dde54c MM |
522 | |
523 | switch (item_id) { | |
524 | case MFIE_TYPE_GENERIC: | |
b358492c MM |
525 | if ((OUI_LEN + 1 <= item_len) && |
526 | !memcmp(pos, wpa_oui, OUI_LEN) && | |
09dde54c MM |
527 | pos[OUI_LEN] == 0x01) { |
528 | ie_info->wpa.data = pos - 2; | |
529 | ie_info->wpa.len = item_len + 2; | |
530 | } | |
531 | break; | |
532 | case MFIE_TYPE_RSN: | |
533 | ie_info->rsn.data = pos - 2; | |
534 | /* length includes the header */ | |
535 | ie_info->rsn.len = item_len + 2; | |
536 | break; | |
537 | default: | |
538 | pr_debug("%s: ignore %#x,%d\n", __func__, | |
539 | item_id, item_len); | |
540 | break; | |
541 | } | |
542 | pos += item_len; | |
b358492c | 543 | data_left -= item_len; |
09dde54c MM |
544 | } |
545 | pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__, | |
546 | ie_info->wpa.data, ie_info->wpa.len, | |
547 | ie_info->rsn.data, ie_info->rsn.len); | |
548 | } | |
549 | ||
550 | ||
551 | /* | |
552 | * translate the scan informations from hypervisor to a | |
553 | * independent format | |
554 | */ | |
555 | static char *gelic_wl_translate_scan(struct net_device *netdev, | |
556 | char *ev, | |
557 | char *stop, | |
558 | struct gelic_wl_scan_info *network) | |
559 | { | |
560 | struct iw_event iwe; | |
561 | struct gelic_eurus_scan_info *scan = network->hwinfo; | |
562 | char *tmp; | |
563 | u8 rate; | |
564 | unsigned int i, j, len; | |
565 | u8 buf[MAX_WPA_IE_LEN]; | |
566 | ||
567 | pr_debug("%s: <-\n", __func__); | |
568 | ||
569 | /* first entry should be AP's mac address */ | |
570 | iwe.cmd = SIOCGIWAP; | |
571 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; | |
572 | memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN); | |
573 | ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_ADDR_LEN); | |
574 | ||
575 | /* ESSID */ | |
576 | iwe.cmd = SIOCGIWESSID; | |
577 | iwe.u.data.flags = 1; | |
578 | iwe.u.data.length = strnlen(scan->essid, 32); | |
579 | ev = iwe_stream_add_point(ev, stop, &iwe, scan->essid); | |
580 | ||
581 | /* FREQUENCY */ | |
582 | iwe.cmd = SIOCGIWFREQ; | |
583 | iwe.u.freq.m = be16_to_cpu(scan->channel); | |
584 | iwe.u.freq.e = 0; /* table value in MHz */ | |
585 | iwe.u.freq.i = 0; | |
586 | ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_FREQ_LEN); | |
587 | ||
588 | /* RATES */ | |
589 | iwe.cmd = SIOCGIWRATE; | |
590 | iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; | |
591 | /* to stuff multiple values in one event */ | |
592 | tmp = ev + IW_EV_LCP_LEN; | |
593 | /* put them in ascendant order (older is first) */ | |
594 | i = 0; | |
595 | j = 0; | |
596 | pr_debug("%s: rates=%d rate=%d\n", __func__, | |
597 | network->rate_len, network->rate_ext_len); | |
598 | while (i < network->rate_len) { | |
599 | if (j < network->rate_ext_len && | |
600 | ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f))) | |
601 | rate = scan->ext_rate[j++] & 0x7f; | |
602 | else | |
603 | rate = scan->rate[i++] & 0x7f; | |
604 | iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */ | |
605 | tmp = iwe_stream_add_value(ev, tmp, stop, &iwe, | |
606 | IW_EV_PARAM_LEN); | |
607 | } | |
608 | while (j < network->rate_ext_len) { | |
609 | iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000; | |
610 | tmp = iwe_stream_add_value(ev, tmp, stop, &iwe, | |
611 | IW_EV_PARAM_LEN); | |
612 | } | |
613 | /* Check if we added any rate */ | |
614 | if (IW_EV_LCP_LEN < (tmp - ev)) | |
615 | ev = tmp; | |
616 | ||
617 | /* ENCODE */ | |
618 | iwe.cmd = SIOCGIWENCODE; | |
619 | if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY) | |
620 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; | |
621 | else | |
622 | iwe.u.data.flags = IW_ENCODE_DISABLED; | |
623 | iwe.u.data.length = 0; | |
624 | ev = iwe_stream_add_point(ev, stop, &iwe, scan->essid); | |
625 | ||
626 | /* MODE */ | |
627 | iwe.cmd = SIOCGIWMODE; | |
628 | if (be16_to_cpu(scan->capability) & | |
629 | (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) { | |
630 | if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS) | |
631 | iwe.u.mode = IW_MODE_MASTER; | |
632 | else | |
633 | iwe.u.mode = IW_MODE_ADHOC; | |
634 | ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_UINT_LEN); | |
635 | } | |
636 | ||
637 | /* QUAL */ | |
638 | iwe.cmd = IWEVQUAL; | |
639 | iwe.u.qual.updated = IW_QUAL_ALL_UPDATED | | |
640 | IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID; | |
641 | iwe.u.qual.level = be16_to_cpu(scan->rssi); | |
642 | iwe.u.qual.qual = be16_to_cpu(scan->rssi); | |
643 | iwe.u.qual.noise = 0; | |
644 | ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_QUAL_LEN); | |
645 | ||
646 | /* RSN */ | |
647 | memset(&iwe, 0, sizeof(iwe)); | |
648 | if (be16_to_cpu(scan->size) <= sizeof(*scan)) { | |
649 | /* If wpa[2] capable station, synthesize IE and put it */ | |
650 | len = gelic_wl_synthesize_ie(buf, scan); | |
651 | if (len) { | |
652 | iwe.cmd = IWEVGENIE; | |
653 | iwe.u.data.length = len; | |
654 | ev = iwe_stream_add_point(ev, stop, &iwe, buf); | |
655 | } | |
656 | } else { | |
657 | /* this scan info has IE data */ | |
658 | struct ie_info ie_info; | |
659 | size_t data_len; | |
660 | ||
661 | data_len = be16_to_cpu(scan->size) - sizeof(*scan); | |
662 | ||
663 | gelic_wl_parse_ie(scan->elements, data_len, &ie_info); | |
664 | ||
665 | if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) { | |
666 | memcpy(buf, ie_info.wpa.data, ie_info.wpa.len); | |
667 | iwe.cmd = IWEVGENIE; | |
668 | iwe.u.data.length = ie_info.wpa.len; | |
669 | ev = iwe_stream_add_point(ev, stop, &iwe, buf); | |
670 | } | |
671 | ||
672 | if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) { | |
673 | memset(&iwe, 0, sizeof(iwe)); | |
674 | memcpy(buf, ie_info.rsn.data, ie_info.rsn.len); | |
675 | iwe.cmd = IWEVGENIE; | |
676 | iwe.u.data.length = ie_info.rsn.len; | |
677 | ev = iwe_stream_add_point(ev, stop, &iwe, buf); | |
678 | } | |
679 | } | |
680 | ||
681 | pr_debug("%s: ->\n", __func__); | |
682 | return ev; | |
683 | } | |
684 | ||
685 | ||
686 | static int gelic_wl_get_scan(struct net_device *netdev, | |
687 | struct iw_request_info *info, | |
688 | union iwreq_data *wrqu, char *extra) | |
689 | { | |
690 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
691 | struct gelic_wl_scan_info *scan_info; | |
692 | char *ev = extra; | |
693 | char *stop = ev + wrqu->data.length; | |
694 | int ret = 0; | |
695 | unsigned long this_time = jiffies; | |
696 | ||
697 | pr_debug("%s: <-\n", __func__); | |
706ddd60 | 698 | if (mutex_lock_interruptible(&wl->scan_lock)) |
09dde54c MM |
699 | return -EAGAIN; |
700 | ||
701 | switch (wl->scan_stat) { | |
702 | case GELIC_WL_SCAN_STAT_SCANNING: | |
703 | /* If a scan in progress, caller should call me again */ | |
704 | ret = -EAGAIN; | |
705 | goto out; | |
706 | break; | |
707 | ||
708 | case GELIC_WL_SCAN_STAT_INIT: | |
709 | /* last scan request failed or never issued */ | |
710 | ret = -ENODEV; | |
711 | goto out; | |
712 | break; | |
713 | case GELIC_WL_SCAN_STAT_GOT_LIST: | |
714 | /* ok, use current list */ | |
715 | break; | |
716 | } | |
717 | ||
718 | list_for_each_entry(scan_info, &wl->network_list, list) { | |
719 | if (wl->scan_age == 0 || | |
720 | time_after(scan_info->last_scanned + wl->scan_age, | |
721 | this_time)) | |
722 | ev = gelic_wl_translate_scan(netdev, ev, stop, | |
723 | scan_info); | |
724 | else | |
725 | pr_debug("%s:entry too old\n", __func__); | |
726 | ||
727 | if (stop - ev <= IW_EV_ADDR_LEN) { | |
728 | ret = -E2BIG; | |
729 | goto out; | |
730 | } | |
731 | } | |
732 | ||
733 | wrqu->data.length = ev - extra; | |
734 | wrqu->data.flags = 0; | |
735 | out: | |
706ddd60 | 736 | mutex_unlock(&wl->scan_lock); |
09dde54c MM |
737 | pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length); |
738 | return ret; | |
739 | } | |
740 | ||
741 | #ifdef DEBUG | |
742 | static void scan_list_dump(struct gelic_wl_info *wl) | |
743 | { | |
744 | struct gelic_wl_scan_info *scan_info; | |
745 | int i; | |
746 | DECLARE_MAC_BUF(mac); | |
747 | ||
748 | i = 0; | |
749 | list_for_each_entry(scan_info, &wl->network_list, list) { | |
750 | pr_debug("%s: item %d\n", __func__, i++); | |
751 | pr_debug("valid=%d eurusindex=%d last=%lx\n", | |
752 | scan_info->valid, scan_info->eurus_index, | |
753 | scan_info->last_scanned); | |
754 | pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n", | |
755 | scan_info->rate_len, scan_info->rate_ext_len, | |
756 | scan_info->essid_len); | |
757 | /* -- */ | |
758 | pr_debug("bssid=%s\n", | |
759 | print_mac(mac, &scan_info->hwinfo->bssid[2])); | |
760 | pr_debug("essid=%s\n", scan_info->hwinfo->essid); | |
761 | } | |
762 | } | |
763 | #endif | |
764 | ||
765 | static int gelic_wl_set_auth(struct net_device *netdev, | |
766 | struct iw_request_info *info, | |
767 | union iwreq_data *data, char *extra) | |
768 | { | |
769 | struct iw_param *param = &data->param; | |
770 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); | |
771 | unsigned long irqflag; | |
772 | int ret = 0; | |
773 | ||
774 | pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX); | |
775 | spin_lock_irqsave(&wl->lock, irqflag); | |
776 | switch (param->flags & IW_AUTH_INDEX) { | |
777 | case IW_AUTH_WPA_VERSION: | |
778 | if (param->value & IW_AUTH_WPA_VERSION_DISABLED) { | |
779 | pr_debug("%s: NO WPA selected\n", __func__); | |
780 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; | |
781 | wl->group_cipher_method = GELIC_WL_CIPHER_WEP; | |
782 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; | |
783 | } | |
784 | if (param->value & IW_AUTH_WPA_VERSION_WPA) { | |
785 | pr_debug("%s: WPA version 1 selected\n", __func__); | |
786 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA; | |
787 | wl->group_cipher_method = GELIC_WL_CIPHER_TKIP; | |
788 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP; | |
789 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
790 | } | |
791 | if (param->value & IW_AUTH_WPA_VERSION_WPA2) { | |
792 | /* | |
793 | * As the hypervisor may not tell the cipher | |
794 | * information of the AP if it is WPA2, | |
795 | * you will not decide suitable cipher from | |
796 | * its beacon. | |
797 | * You should have knowledge about the AP's | |
798 | * cipher infomation in other method prior to | |
799 | * the association. | |
800 | */ | |
801 | if (!precise_ie()) | |
802 | pr_info("%s: WPA2 may not work\n", __func__); | |
803 | if (wpa2_capable()) { | |
804 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2; | |
805 | wl->group_cipher_method = GELIC_WL_CIPHER_AES; | |
806 | wl->pairwise_cipher_method = | |
807 | GELIC_WL_CIPHER_AES; | |
808 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
809 | } else | |
810 | ret = -EINVAL; | |
811 | } | |
812 | break; | |
813 | ||
814 | case IW_AUTH_CIPHER_PAIRWISE: | |
815 | if (param->value & | |
816 | (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) { | |
817 | pr_debug("%s: WEP selected\n", __func__); | |
818 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; | |
819 | } | |
820 | if (param->value & IW_AUTH_CIPHER_TKIP) { | |
821 | pr_debug("%s: TKIP selected\n", __func__); | |
822 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP; | |
823 | } | |
824 | if (param->value & IW_AUTH_CIPHER_CCMP) { | |
825 | pr_debug("%s: CCMP selected\n", __func__); | |
826 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES; | |
827 | } | |
828 | if (param->value & IW_AUTH_CIPHER_NONE) { | |
829 | pr_debug("%s: no auth selected\n", __func__); | |
830 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; | |
831 | } | |
832 | break; | |
833 | case IW_AUTH_CIPHER_GROUP: | |
834 | if (param->value & | |
835 | (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) { | |
836 | pr_debug("%s: WEP selected\n", __func__); | |
837 | wl->group_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->group_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->group_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->group_cipher_method = GELIC_WL_CIPHER_NONE; | |
850 | } | |
851 | break; | |
852 | case IW_AUTH_80211_AUTH_ALG: | |
853 | if (param->value & IW_AUTH_ALG_SHARED_KEY) { | |
854 | pr_debug("%s: shared key specified\n", __func__); | |
855 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; | |
856 | } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { | |
857 | pr_debug("%s: open system specified\n", __func__); | |
858 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
859 | } else | |
860 | ret = -EINVAL; | |
861 | break; | |
862 | ||
863 | case IW_AUTH_WPA_ENABLED: | |
864 | if (param->value) { | |
865 | pr_debug("%s: WPA enabled\n", __func__); | |
866 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA; | |
867 | } else { | |
868 | pr_debug("%s: WPA disabled\n", __func__); | |
869 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; | |
870 | } | |
871 | break; | |
872 | ||
873 | case IW_AUTH_KEY_MGMT: | |
874 | if (param->value & IW_AUTH_KEY_MGMT_PSK) | |
875 | break; | |
876 | /* intentionally fall through */ | |
877 | default: | |
878 | ret = -EOPNOTSUPP; | |
879 | break; | |
880 | }; | |
881 | ||
882 | if (!ret) | |
883 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
884 | ||
885 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
886 | pr_debug("%s: -> %d\n", __func__, ret); | |
887 | return ret; | |
888 | } | |
889 | ||
890 | static int gelic_wl_get_auth(struct net_device *netdev, | |
891 | struct iw_request_info *info, | |
892 | union iwreq_data *iwreq, char *extra) | |
893 | { | |
894 | struct iw_param *param = &iwreq->param; | |
895 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); | |
896 | unsigned long irqflag; | |
897 | int ret = 0; | |
898 | ||
899 | pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX); | |
900 | spin_lock_irqsave(&wl->lock, irqflag); | |
901 | switch (param->flags & IW_AUTH_INDEX) { | |
902 | case IW_AUTH_WPA_VERSION: | |
903 | switch (wl->wpa_level) { | |
904 | case GELIC_WL_WPA_LEVEL_WPA: | |
905 | param->value |= IW_AUTH_WPA_VERSION_WPA; | |
906 | break; | |
907 | case GELIC_WL_WPA_LEVEL_WPA2: | |
908 | param->value |= IW_AUTH_WPA_VERSION_WPA2; | |
909 | break; | |
910 | default: | |
911 | param->value |= IW_AUTH_WPA_VERSION_DISABLED; | |
912 | } | |
913 | break; | |
914 | ||
915 | case IW_AUTH_80211_AUTH_ALG: | |
916 | if (wl->auth_method == GELIC_EURUS_AUTH_SHARED) | |
917 | param->value = IW_AUTH_ALG_SHARED_KEY; | |
918 | else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN) | |
919 | param->value = IW_AUTH_ALG_OPEN_SYSTEM; | |
920 | break; | |
921 | ||
922 | case IW_AUTH_WPA_ENABLED: | |
923 | switch (wl->wpa_level) { | |
924 | case GELIC_WL_WPA_LEVEL_WPA: | |
925 | case GELIC_WL_WPA_LEVEL_WPA2: | |
926 | param->value = 1; | |
927 | break; | |
928 | default: | |
929 | param->value = 0; | |
930 | break; | |
931 | } | |
932 | break; | |
933 | default: | |
934 | ret = -EOPNOTSUPP; | |
935 | } | |
936 | ||
937 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
938 | pr_debug("%s: -> %d\n", __func__, ret); | |
939 | return ret; | |
940 | } | |
941 | ||
942 | /* SIOC{S,G}IWESSID */ | |
943 | static int gelic_wl_set_essid(struct net_device *netdev, | |
944 | struct iw_request_info *info, | |
945 | union iwreq_data *data, char *extra) | |
946 | { | |
947 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
948 | unsigned long irqflag; | |
949 | ||
950 | pr_debug("%s: <- l=%d f=%d\n", __func__, | |
951 | data->essid.length, data->essid.flags); | |
952 | if (IW_ESSID_MAX_SIZE < data->essid.length) | |
953 | return -EINVAL; | |
954 | ||
955 | spin_lock_irqsave(&wl->lock, irqflag); | |
956 | if (data->essid.flags) { | |
957 | wl->essid_len = data->essid.length; | |
958 | memcpy(wl->essid, extra, wl->essid_len); | |
959 | pr_debug("%s: essid = '%s'\n", __func__, extra); | |
960 | set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat); | |
961 | } else { | |
962 | pr_debug("%s: ESSID any \n", __func__); | |
963 | clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat); | |
964 | } | |
965 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
966 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
967 | ||
968 | ||
969 | gelic_wl_try_associate(netdev); /* FIXME */ | |
970 | pr_debug("%s: -> \n", __func__); | |
971 | return 0; | |
972 | } | |
973 | ||
974 | static int gelic_wl_get_essid(struct net_device *netdev, | |
975 | struct iw_request_info *info, | |
976 | union iwreq_data *data, char *extra) | |
977 | { | |
978 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
979 | unsigned long irqflag; | |
980 | ||
981 | pr_debug("%s: <- \n", __func__); | |
982 | down(&wl->assoc_stat_lock); | |
983 | spin_lock_irqsave(&wl->lock, irqflag); | |
984 | if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) || | |
985 | wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) { | |
986 | memcpy(extra, wl->essid, wl->essid_len); | |
987 | data->essid.length = wl->essid_len; | |
988 | data->essid.flags = 1; | |
989 | } else | |
990 | data->essid.flags = 0; | |
991 | ||
992 | up(&wl->assoc_stat_lock); | |
993 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
994 | pr_debug("%s: -> len=%d \n", __func__, data->essid.length); | |
995 | ||
996 | return 0; | |
997 | } | |
998 | ||
999 | /* SIO{S,G}IWENCODE */ | |
1000 | static int gelic_wl_set_encode(struct net_device *netdev, | |
1001 | struct iw_request_info *info, | |
1002 | union iwreq_data *data, char *extra) | |
1003 | { | |
1004 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1005 | struct iw_point *enc = &data->encoding; | |
1006 | __u16 flags; | |
1007 | unsigned int irqflag; | |
1008 | int key_index, index_specified; | |
1009 | int ret = 0; | |
1010 | ||
1011 | pr_debug("%s: <- \n", __func__); | |
1012 | flags = enc->flags & IW_ENCODE_FLAGS; | |
1013 | key_index = enc->flags & IW_ENCODE_INDEX; | |
1014 | ||
1015 | pr_debug("%s: key_index = %d\n", __func__, key_index); | |
1016 | pr_debug("%s: key_len = %d\n", __func__, enc->length); | |
1017 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); | |
1018 | ||
1019 | if (GELIC_WEP_KEYS < key_index) | |
1020 | return -EINVAL; | |
1021 | ||
1022 | spin_lock_irqsave(&wl->lock, irqflag); | |
1023 | if (key_index) { | |
1024 | index_specified = 1; | |
1025 | key_index--; | |
1026 | } else { | |
1027 | index_specified = 0; | |
1028 | key_index = wl->current_key; | |
1029 | } | |
1030 | ||
1031 | if (flags & IW_ENCODE_NOKEY) { | |
1032 | /* if just IW_ENCODE_NOKEY, change current key index */ | |
1033 | if (!flags && index_specified) { | |
1034 | wl->current_key = key_index; | |
1035 | goto done; | |
1036 | } | |
1037 | ||
1038 | if (flags & IW_ENCODE_DISABLED) { | |
1039 | if (!index_specified) { | |
1040 | /* disable encryption */ | |
1041 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; | |
1042 | wl->pairwise_cipher_method = | |
1043 | GELIC_WL_CIPHER_NONE; | |
1044 | /* invalidate all key */ | |
1045 | wl->key_enabled = 0; | |
1046 | } else | |
1047 | clear_bit(key_index, &wl->key_enabled); | |
1048 | } | |
1049 | ||
1050 | if (flags & IW_ENCODE_OPEN) | |
1051 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
1052 | if (flags & IW_ENCODE_RESTRICTED) { | |
1053 | pr_info("%s: shared key mode enabled\n", __func__); | |
1054 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; | |
1055 | } | |
1056 | } else { | |
1057 | if (IW_ENCODING_TOKEN_MAX < enc->length) { | |
1058 | ret = -EINVAL; | |
1059 | goto done; | |
1060 | } | |
1061 | wl->key_len[key_index] = enc->length; | |
1062 | memcpy(wl->key[key_index], extra, enc->length); | |
1063 | set_bit(key_index, &wl->key_enabled); | |
1064 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; | |
1065 | wl->group_cipher_method = GELIC_WL_CIPHER_WEP; | |
1066 | } | |
1067 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
1068 | done: | |
1069 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1070 | pr_debug("%s: -> \n", __func__); | |
1071 | return ret; | |
1072 | } | |
1073 | ||
1074 | static int gelic_wl_get_encode(struct net_device *netdev, | |
1075 | struct iw_request_info *info, | |
1076 | union iwreq_data *data, char *extra) | |
1077 | { | |
1078 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1079 | struct iw_point *enc = &data->encoding; | |
1080 | unsigned int irqflag; | |
1081 | unsigned int key_index, index_specified; | |
1082 | int ret = 0; | |
1083 | ||
1084 | pr_debug("%s: <- \n", __func__); | |
1085 | key_index = enc->flags & IW_ENCODE_INDEX; | |
1086 | pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__, | |
1087 | enc->flags, enc->pointer, enc->length, extra); | |
1088 | if (GELIC_WEP_KEYS < key_index) | |
1089 | return -EINVAL; | |
1090 | ||
1091 | spin_lock_irqsave(&wl->lock, irqflag); | |
1092 | if (key_index) { | |
1093 | index_specified = 1; | |
1094 | key_index--; | |
1095 | } else { | |
1096 | index_specified = 0; | |
1097 | key_index = wl->current_key; | |
1098 | } | |
1099 | ||
1100 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { | |
1101 | switch (wl->auth_method) { | |
1102 | case GELIC_EURUS_AUTH_OPEN: | |
1103 | enc->flags = IW_ENCODE_OPEN; | |
1104 | break; | |
1105 | case GELIC_EURUS_AUTH_SHARED: | |
1106 | enc->flags = IW_ENCODE_RESTRICTED; | |
1107 | break; | |
1108 | } | |
1109 | } else | |
1110 | enc->flags = IW_ENCODE_DISABLED; | |
1111 | ||
1112 | if (test_bit(key_index, &wl->key_enabled)) { | |
1113 | if (enc->length < wl->key_len[key_index]) { | |
1114 | ret = -EINVAL; | |
1115 | goto done; | |
1116 | } | |
1117 | enc->length = wl->key_len[key_index]; | |
1118 | memcpy(extra, wl->key[key_index], wl->key_len[key_index]); | |
1119 | } else { | |
1120 | enc->length = 0; | |
1121 | enc->flags |= IW_ENCODE_NOKEY; | |
1122 | } | |
1123 | enc->flags |= key_index + 1; | |
1124 | pr_debug("%s: -> flag=%x len=%d\n", __func__, | |
1125 | enc->flags, enc->length); | |
1126 | ||
1127 | done: | |
1128 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1129 | return ret; | |
1130 | } | |
1131 | ||
1132 | /* SIOC{S,G}IWAP */ | |
1133 | static int gelic_wl_set_ap(struct net_device *netdev, | |
1134 | struct iw_request_info *info, | |
1135 | union iwreq_data *data, char *extra) | |
1136 | { | |
1137 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1138 | unsigned long irqflag; | |
1139 | ||
1140 | pr_debug("%s: <-\n", __func__); | |
1141 | if (data->ap_addr.sa_family != ARPHRD_ETHER) | |
1142 | return -EINVAL; | |
1143 | ||
1144 | spin_lock_irqsave(&wl->lock, irqflag); | |
1145 | if (is_valid_ether_addr(data->ap_addr.sa_data)) { | |
1146 | memcpy(wl->bssid, data->ap_addr.sa_data, | |
1147 | ETH_ALEN); | |
1148 | set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat); | |
1149 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
1150 | pr_debug("%s: bss=%02x:%02x:%02x:%02x:%02x:%02x\n", | |
1151 | __func__, | |
1152 | wl->bssid[0], wl->bssid[1], | |
1153 | wl->bssid[2], wl->bssid[3], | |
1154 | wl->bssid[4], wl->bssid[5]); | |
1155 | } else { | |
1156 | pr_debug("%s: clear bssid\n", __func__); | |
1157 | clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat); | |
1158 | memset(wl->bssid, 0, ETH_ALEN); | |
1159 | } | |
1160 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1161 | pr_debug("%s: ->\n", __func__); | |
1162 | return 0; | |
1163 | } | |
1164 | ||
1165 | static int gelic_wl_get_ap(struct net_device *netdev, | |
1166 | struct iw_request_info *info, | |
1167 | union iwreq_data *data, char *extra) | |
1168 | { | |
1169 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1170 | unsigned long irqflag; | |
1171 | ||
1172 | pr_debug("%s: <-\n", __func__); | |
1173 | down(&wl->assoc_stat_lock); | |
1174 | spin_lock_irqsave(&wl->lock, irqflag); | |
1175 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) { | |
1176 | data->ap_addr.sa_family = ARPHRD_ETHER; | |
1177 | memcpy(data->ap_addr.sa_data, wl->active_bssid, | |
1178 | ETH_ALEN); | |
1179 | } else | |
1180 | memset(data->ap_addr.sa_data, 0, ETH_ALEN); | |
1181 | ||
1182 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1183 | up(&wl->assoc_stat_lock); | |
1184 | pr_debug("%s: ->\n", __func__); | |
1185 | return 0; | |
1186 | } | |
1187 | ||
1188 | /* SIOC{S,G}IWENCODEEXT */ | |
1189 | static int gelic_wl_set_encodeext(struct net_device *netdev, | |
1190 | struct iw_request_info *info, | |
1191 | union iwreq_data *data, char *extra) | |
1192 | { | |
1193 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1194 | struct iw_point *enc = &data->encoding; | |
1195 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
1196 | __u16 alg; | |
1197 | __u16 flags; | |
1198 | unsigned int irqflag; | |
1199 | int key_index; | |
1200 | int ret = 0; | |
1201 | ||
1202 | pr_debug("%s: <- \n", __func__); | |
1203 | flags = enc->flags & IW_ENCODE_FLAGS; | |
1204 | alg = ext->alg; | |
1205 | key_index = enc->flags & IW_ENCODE_INDEX; | |
1206 | ||
1207 | pr_debug("%s: key_index = %d\n", __func__, key_index); | |
1208 | pr_debug("%s: key_len = %d\n", __func__, enc->length); | |
1209 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); | |
1210 | pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags); | |
1211 | pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len); | |
1212 | ||
1213 | if (GELIC_WEP_KEYS < key_index) | |
1214 | return -EINVAL; | |
1215 | ||
1216 | spin_lock_irqsave(&wl->lock, irqflag); | |
1217 | if (key_index) | |
1218 | key_index--; | |
1219 | else | |
1220 | key_index = wl->current_key; | |
1221 | ||
1222 | if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) { | |
1223 | /* reques to change default key index */ | |
1224 | pr_debug("%s: request to change default key to %d\n", | |
1225 | __func__, key_index); | |
1226 | wl->current_key = key_index; | |
1227 | goto done; | |
1228 | } | |
1229 | ||
1230 | if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) { | |
1231 | pr_debug("%s: alg disabled\n", __func__); | |
1232 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; | |
1233 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; | |
1234 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; | |
1235 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */ | |
1236 | } else if (alg == IW_ENCODE_ALG_WEP) { | |
1237 | pr_debug("%s: WEP requested\n", __func__); | |
1238 | if (flags & IW_ENCODE_OPEN) { | |
1239 | pr_debug("%s: open key mode\n", __func__); | |
1240 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
1241 | } | |
1242 | if (flags & IW_ENCODE_RESTRICTED) { | |
1243 | pr_debug("%s: shared key mode\n", __func__); | |
1244 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; | |
1245 | } | |
1246 | if (IW_ENCODING_TOKEN_MAX < ext->key_len) { | |
1247 | pr_info("%s: key is too long %d\n", __func__, | |
1248 | ext->key_len); | |
1249 | ret = -EINVAL; | |
1250 | goto done; | |
1251 | } | |
1252 | /* OK, update the key */ | |
1253 | wl->key_len[key_index] = ext->key_len; | |
1254 | memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX); | |
1255 | memcpy(wl->key[key_index], ext->key, ext->key_len); | |
1256 | set_bit(key_index, &wl->key_enabled); | |
1257 | /* remember wep info changed */ | |
1258 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
1259 | } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) { | |
1260 | pr_debug("%s: TKIP/CCMP requested alg=%d\n", __func__, alg); | |
1261 | /* check key length */ | |
1262 | if (IW_ENCODING_TOKEN_MAX < ext->key_len) { | |
1263 | pr_info("%s: key is too long %d\n", __func__, | |
1264 | ext->key_len); | |
1265 | ret = -EINVAL; | |
1266 | goto done; | |
1267 | } | |
1268 | if (alg == IW_ENCODE_ALG_CCMP) { | |
1269 | pr_debug("%s: AES selected\n", __func__); | |
1270 | wl->group_cipher_method = GELIC_WL_CIPHER_AES; | |
1271 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES; | |
1272 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2; | |
1273 | } else { | |
1274 | pr_debug("%s: TKIP selected, WPA forced\n", __func__); | |
1275 | wl->group_cipher_method = GELIC_WL_CIPHER_TKIP; | |
1276 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP; | |
1277 | /* FIXME: how do we do if WPA2 + TKIP? */ | |
1278 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA; | |
1279 | } | |
1280 | if (flags & IW_ENCODE_RESTRICTED) | |
1281 | BUG(); | |
1282 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
1283 | /* We should use same key for both and unicast */ | |
1284 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) | |
1285 | pr_debug("%s: group key \n", __func__); | |
1286 | else | |
1287 | pr_debug("%s: unicast key \n", __func__); | |
1288 | /* OK, update the key */ | |
1289 | wl->key_len[key_index] = ext->key_len; | |
1290 | memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX); | |
1291 | memcpy(wl->key[key_index], ext->key, ext->key_len); | |
1292 | set_bit(key_index, &wl->key_enabled); | |
1293 | /* remember info changed */ | |
1294 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); | |
1295 | } | |
1296 | done: | |
1297 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1298 | pr_debug("%s: -> \n", __func__); | |
1299 | return ret; | |
1300 | } | |
1301 | ||
1302 | static int gelic_wl_get_encodeext(struct net_device *netdev, | |
1303 | struct iw_request_info *info, | |
1304 | union iwreq_data *data, char *extra) | |
1305 | { | |
1306 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1307 | struct iw_point *enc = &data->encoding; | |
1308 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; | |
1309 | unsigned int irqflag; | |
1310 | int key_index; | |
1311 | int ret = 0; | |
1312 | int max_key_len; | |
1313 | ||
1314 | pr_debug("%s: <- \n", __func__); | |
1315 | ||
1316 | max_key_len = enc->length - sizeof(struct iw_encode_ext); | |
1317 | if (max_key_len < 0) | |
1318 | return -EINVAL; | |
1319 | key_index = enc->flags & IW_ENCODE_INDEX; | |
1320 | ||
1321 | pr_debug("%s: key_index = %d\n", __func__, key_index); | |
1322 | pr_debug("%s: key_len = %d\n", __func__, enc->length); | |
1323 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); | |
1324 | ||
1325 | if (GELIC_WEP_KEYS < key_index) | |
1326 | return -EINVAL; | |
1327 | ||
1328 | spin_lock_irqsave(&wl->lock, irqflag); | |
1329 | if (key_index) | |
1330 | key_index--; | |
1331 | else | |
1332 | key_index = wl->current_key; | |
1333 | ||
1334 | memset(ext, 0, sizeof(struct iw_encode_ext)); | |
1335 | switch (wl->group_cipher_method) { | |
1336 | case GELIC_WL_CIPHER_WEP: | |
1337 | ext->alg = IW_ENCODE_ALG_WEP; | |
1338 | enc->flags |= IW_ENCODE_ENABLED; | |
1339 | break; | |
1340 | case GELIC_WL_CIPHER_TKIP: | |
1341 | ext->alg = IW_ENCODE_ALG_TKIP; | |
1342 | enc->flags |= IW_ENCODE_ENABLED; | |
1343 | break; | |
1344 | case GELIC_WL_CIPHER_AES: | |
1345 | ext->alg = IW_ENCODE_ALG_CCMP; | |
1346 | enc->flags |= IW_ENCODE_ENABLED; | |
1347 | break; | |
1348 | case GELIC_WL_CIPHER_NONE: | |
1349 | default: | |
1350 | ext->alg = IW_ENCODE_ALG_NONE; | |
1351 | enc->flags |= IW_ENCODE_NOKEY; | |
1352 | break; | |
1353 | } | |
1354 | ||
1355 | if (!(enc->flags & IW_ENCODE_NOKEY)) { | |
1356 | if (max_key_len < wl->key_len[key_index]) { | |
1357 | ret = -E2BIG; | |
1358 | goto out; | |
1359 | } | |
1360 | if (test_bit(key_index, &wl->key_enabled)) | |
1361 | memcpy(ext->key, wl->key[key_index], | |
1362 | wl->key_len[key_index]); | |
1363 | else | |
1364 | pr_debug("%s: disabled key requested ix=%d\n", | |
1365 | __func__, key_index); | |
1366 | } | |
1367 | out: | |
1368 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1369 | pr_debug("%s: -> \n", __func__); | |
1370 | return ret; | |
1371 | } | |
1372 | /* SIOC{S,G}IWMODE */ | |
1373 | static int gelic_wl_set_mode(struct net_device *netdev, | |
1374 | struct iw_request_info *info, | |
1375 | union iwreq_data *data, char *extra) | |
1376 | { | |
1377 | __u32 mode = data->mode; | |
1378 | int ret; | |
1379 | ||
1380 | pr_debug("%s: <- \n", __func__); | |
1381 | if (mode == IW_MODE_INFRA) | |
1382 | ret = 0; | |
1383 | else | |
1384 | ret = -EOPNOTSUPP; | |
1385 | pr_debug("%s: -> %d\n", __func__, ret); | |
1386 | return ret; | |
1387 | } | |
1388 | ||
1389 | static int gelic_wl_get_mode(struct net_device *netdev, | |
1390 | struct iw_request_info *info, | |
1391 | union iwreq_data *data, char *extra) | |
1392 | { | |
1393 | __u32 *mode = &data->mode; | |
1394 | pr_debug("%s: <- \n", __func__); | |
1395 | *mode = IW_MODE_INFRA; | |
1396 | pr_debug("%s: ->\n", __func__); | |
1397 | return 0; | |
1398 | } | |
1399 | ||
1400 | /* SIOCIWFIRSTPRIV */ | |
1401 | static int hex2bin(u8 *str, u8 *bin, unsigned int len) | |
1402 | { | |
1403 | unsigned int i; | |
1404 | static unsigned char *hex = "0123456789ABCDEF"; | |
1405 | unsigned char *p, *q; | |
1406 | u8 tmp; | |
1407 | ||
1408 | if (len != WPA_PSK_LEN * 2) | |
1409 | return -EINVAL; | |
1410 | ||
1411 | for (i = 0; i < WPA_PSK_LEN * 2; i += 2) { | |
1412 | p = strchr(hex, toupper(str[i])); | |
1413 | q = strchr(hex, toupper(str[i + 1])); | |
1414 | if (!p || !q) { | |
1415 | pr_info("%s: unconvertible PSK digit=%d\n", | |
1416 | __func__, i); | |
1417 | return -EINVAL; | |
1418 | } | |
1419 | tmp = ((p - hex) << 4) + (q - hex); | |
1420 | *bin++ = tmp; | |
1421 | } | |
1422 | return 0; | |
1423 | }; | |
1424 | ||
1425 | static int gelic_wl_priv_set_psk(struct net_device *net_dev, | |
1426 | struct iw_request_info *info, | |
1427 | union iwreq_data *data, char *extra) | |
1428 | { | |
1429 | struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev)); | |
1430 | unsigned int len; | |
1431 | unsigned int irqflag; | |
1432 | int ret = 0; | |
1433 | ||
1434 | pr_debug("%s:<- len=%d\n", __func__, data->data.length); | |
1435 | len = data->data.length - 1; | |
1436 | if (len <= 2) | |
1437 | return -EINVAL; | |
1438 | ||
1439 | spin_lock_irqsave(&wl->lock, irqflag); | |
1440 | if (extra[0] == '"' && extra[len - 1] == '"') { | |
1441 | pr_debug("%s: passphrase mode\n", __func__); | |
1442 | /* pass phrase */ | |
1443 | if (GELIC_WL_EURUS_PSK_MAX_LEN < (len - 2)) { | |
1444 | pr_info("%s: passphrase too long\n", __func__); | |
1445 | ret = -E2BIG; | |
1446 | goto out; | |
1447 | } | |
1448 | memset(wl->psk, 0, sizeof(wl->psk)); | |
1449 | wl->psk_len = len - 2; | |
1450 | memcpy(wl->psk, &(extra[1]), wl->psk_len); | |
1451 | wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE; | |
1452 | } else { | |
1453 | ret = hex2bin(extra, wl->psk, len); | |
1454 | if (ret) | |
1455 | goto out; | |
1456 | wl->psk_len = WPA_PSK_LEN; | |
1457 | wl->psk_type = GELIC_EURUS_WPA_PSK_BIN; | |
1458 | } | |
1459 | set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat); | |
1460 | out: | |
1461 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1462 | pr_debug("%s:->\n", __func__); | |
1463 | return ret; | |
1464 | } | |
1465 | ||
1466 | static int gelic_wl_priv_get_psk(struct net_device *net_dev, | |
1467 | struct iw_request_info *info, | |
1468 | union iwreq_data *data, char *extra) | |
1469 | { | |
1470 | struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev)); | |
1471 | char *p; | |
1472 | unsigned int irqflag; | |
1473 | unsigned int i; | |
1474 | ||
1475 | pr_debug("%s:<-\n", __func__); | |
1476 | if (!capable(CAP_NET_ADMIN)) | |
1477 | return -EPERM; | |
1478 | ||
1479 | spin_lock_irqsave(&wl->lock, irqflag); | |
1480 | p = extra; | |
1481 | if (test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) { | |
1482 | if (wl->psk_type == GELIC_EURUS_WPA_PSK_BIN) { | |
1483 | for (i = 0; i < wl->psk_len; i++) { | |
1484 | sprintf(p, "%02xu", wl->psk[i]); | |
1485 | p += 2; | |
1486 | } | |
1487 | *p = '\0'; | |
1488 | data->data.length = wl->psk_len * 2; | |
1489 | } else { | |
1490 | *p++ = '"'; | |
1491 | memcpy(p, wl->psk, wl->psk_len); | |
1492 | p += wl->psk_len; | |
1493 | *p++ = '"'; | |
1494 | *p = '\0'; | |
1495 | data->data.length = wl->psk_len + 2; | |
1496 | } | |
1497 | } else | |
1498 | /* no psk set */ | |
1499 | data->data.length = 0; | |
1500 | spin_unlock_irqrestore(&wl->lock, irqflag); | |
1501 | pr_debug("%s:-> %d\n", __func__, data->data.length); | |
1502 | return 0; | |
1503 | } | |
1504 | ||
1505 | /* SIOCGIWNICKN */ | |
1506 | static int gelic_wl_get_nick(struct net_device *net_dev, | |
1507 | struct iw_request_info *info, | |
1508 | union iwreq_data *data, char *extra) | |
1509 | { | |
1510 | strcpy(extra, "gelic_wl"); | |
1511 | data->data.length = strlen(extra); | |
1512 | data->data.flags = 1; | |
1513 | return 0; | |
1514 | } | |
1515 | ||
1516 | ||
1517 | /* --- */ | |
1518 | ||
1519 | static struct iw_statistics *gelic_wl_get_wireless_stats( | |
1520 | struct net_device *netdev) | |
1521 | { | |
1522 | ||
1523 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
1524 | struct gelic_eurus_cmd *cmd; | |
1525 | struct iw_statistics *is; | |
1526 | struct gelic_eurus_rssi_info *rssi; | |
1527 | ||
1528 | pr_debug("%s: <-\n", __func__); | |
1529 | ||
1530 | is = &wl->iwstat; | |
1531 | memset(is, 0, sizeof(*is)); | |
1532 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG, | |
1533 | wl->buf, sizeof(*rssi)); | |
1534 | if (cmd && !cmd->status && !cmd->cmd_status) { | |
1535 | rssi = wl->buf; | |
1536 | is->qual.level = be16_to_cpu(rssi->rssi); | |
1537 | is->qual.updated = IW_QUAL_LEVEL_UPDATED | | |
1538 | IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID; | |
1539 | } else | |
1540 | /* not associated */ | |
1541 | is->qual.updated = IW_QUAL_ALL_INVALID; | |
1542 | ||
1543 | kfree(cmd); | |
1544 | pr_debug("%s: ->\n", __func__); | |
1545 | return is; | |
1546 | } | |
1547 | ||
1548 | /* | |
1549 | * scanning helpers | |
1550 | */ | |
1551 | static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan) | |
1552 | { | |
1553 | struct gelic_eurus_cmd *cmd; | |
1554 | int ret = 0; | |
1555 | ||
1556 | pr_debug("%s: <- always=%d\n", __func__, always_scan); | |
706ddd60 | 1557 | if (mutex_lock_interruptible(&wl->scan_lock)) |
09dde54c MM |
1558 | return -ERESTARTSYS; |
1559 | ||
1560 | /* | |
1561 | * If already a scan in progress, do not trigger more | |
1562 | */ | |
1563 | if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) { | |
1564 | pr_debug("%s: scanning now\n", __func__); | |
1565 | goto out; | |
1566 | } | |
1567 | ||
1568 | init_completion(&wl->scan_done); | |
1569 | /* | |
1570 | * If we have already a bss list, don't try to get new | |
1571 | */ | |
1572 | if (!always_scan && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) { | |
1573 | pr_debug("%s: already has the list\n", __func__); | |
1574 | complete(&wl->scan_done); | |
1575 | goto out; | |
1576 | } | |
1577 | /* | |
1578 | * issue start scan request | |
1579 | */ | |
1580 | wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING; | |
1581 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN, | |
1582 | NULL, 0); | |
1583 | if (!cmd || cmd->status || cmd->cmd_status) { | |
1584 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; | |
1585 | complete(&wl->scan_done); | |
1586 | ret = -ENOMEM; | |
1587 | goto out; | |
1588 | } | |
1589 | kfree(cmd); | |
1590 | out: | |
706ddd60 | 1591 | mutex_unlock(&wl->scan_lock); |
09dde54c MM |
1592 | pr_debug("%s: ->\n", __func__); |
1593 | return ret; | |
1594 | } | |
1595 | ||
1596 | /* | |
1597 | * retrieve scan result from the chip (hypervisor) | |
1598 | * this function is invoked by schedule work. | |
1599 | */ | |
1600 | static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) | |
1601 | { | |
1602 | struct gelic_eurus_cmd *cmd = NULL; | |
1603 | struct gelic_wl_scan_info *target, *tmp; | |
1604 | struct gelic_wl_scan_info *oldest = NULL; | |
1605 | struct gelic_eurus_scan_info *scan_info; | |
1606 | unsigned int scan_info_size; | |
1607 | union iwreq_data data; | |
1608 | unsigned long this_time = jiffies; | |
1609 | unsigned int data_len, i, found, r; | |
1610 | DECLARE_MAC_BUF(mac); | |
1611 | ||
1612 | pr_debug("%s:start\n", __func__); | |
706ddd60 | 1613 | mutex_lock(&wl->scan_lock); |
09dde54c MM |
1614 | |
1615 | if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) { | |
1616 | /* | |
1617 | * stop() may be called while scanning, ignore result | |
1618 | */ | |
1619 | pr_debug("%s: scan complete when stat != scanning(%d)\n", | |
1620 | __func__, wl->scan_stat); | |
1621 | goto out; | |
1622 | } | |
1623 | ||
1624 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN, | |
1625 | wl->buf, PAGE_SIZE); | |
1626 | if (!cmd || cmd->status || cmd->cmd_status) { | |
1627 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; | |
1628 | pr_info("%s:cmd failed\n", __func__); | |
1629 | kfree(cmd); | |
1630 | goto out; | |
1631 | } | |
1632 | data_len = cmd->size; | |
1633 | pr_debug("%s: data_len = %d\n", __func__, data_len); | |
1634 | kfree(cmd); | |
1635 | ||
1636 | /* OK, bss list retrieved */ | |
1637 | wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST; | |
1638 | ||
1639 | /* mark all entries are old */ | |
1640 | list_for_each_entry_safe(target, tmp, &wl->network_list, list) { | |
1641 | target->valid = 0; | |
1642 | /* expire too old entries */ | |
1643 | if (time_before(target->last_scanned + wl->scan_age, | |
1644 | this_time)) { | |
1645 | kfree(target->hwinfo); | |
1646 | target->hwinfo = NULL; | |
1647 | list_move_tail(&target->list, &wl->network_free_list); | |
1648 | } | |
1649 | } | |
1650 | ||
1651 | /* put them in the newtork_list */ | |
aad4c7d3 MM |
1652 | for (i = 0, scan_info_size = 0, scan_info = wl->buf; |
1653 | scan_info_size < data_len; | |
1654 | i++, scan_info_size += be16_to_cpu(scan_info->size), | |
1655 | scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) { | |
09dde54c MM |
1656 | pr_debug("%s:size=%d bssid=%s scan_info=%p\n", __func__, |
1657 | be16_to_cpu(scan_info->size), | |
1658 | print_mac(mac, &scan_info->bssid[2]), scan_info); | |
aad4c7d3 MM |
1659 | |
1660 | /* | |
1661 | * The wireless firmware may return invalid channel 0 and/or | |
1662 | * invalid rate if the AP emits zero length SSID ie. As this | |
1663 | * scan information is useless, ignore it | |
1664 | */ | |
1665 | if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) { | |
1666 | pr_debug("%s: invalid scan info\n", __func__); | |
1667 | continue; | |
1668 | } | |
1669 | ||
09dde54c MM |
1670 | found = 0; |
1671 | oldest = NULL; | |
1672 | list_for_each_entry(target, &wl->network_list, list) { | |
1673 | if (!compare_ether_addr(&target->hwinfo->bssid[2], | |
1674 | &scan_info->bssid[2])) { | |
1675 | found = 1; | |
1676 | pr_debug("%s: same BBS found scanned list\n", | |
1677 | __func__); | |
1678 | break; | |
1679 | } | |
1680 | if (!oldest || | |
1681 | (target->last_scanned < oldest->last_scanned)) | |
1682 | oldest = target; | |
1683 | } | |
1684 | ||
1685 | if (!found) { | |
1686 | /* not found in the list */ | |
1687 | if (list_empty(&wl->network_free_list)) { | |
1688 | /* expire oldest */ | |
1689 | target = oldest; | |
1690 | } else { | |
1691 | target = list_entry(wl->network_free_list.next, | |
1692 | struct gelic_wl_scan_info, | |
1693 | list); | |
1694 | } | |
1695 | } | |
1696 | ||
1697 | /* update the item */ | |
1698 | target->last_scanned = this_time; | |
1699 | target->valid = 1; | |
1700 | target->eurus_index = i; | |
1701 | kfree(target->hwinfo); | |
1702 | target->hwinfo = kzalloc(be16_to_cpu(scan_info->size), | |
1703 | GFP_KERNEL); | |
1704 | if (!target->hwinfo) { | |
1705 | pr_info("%s: kzalloc failed\n", __func__); | |
09dde54c MM |
1706 | continue; |
1707 | } | |
1708 | /* copy hw scan info */ | |
1709 | memcpy(target->hwinfo, scan_info, scan_info->size); | |
1710 | target->essid_len = strnlen(scan_info->essid, | |
1711 | sizeof(scan_info->essid)); | |
1712 | target->rate_len = 0; | |
1713 | for (r = 0; r < MAX_RATES_LENGTH; r++) | |
1714 | if (scan_info->rate[r]) | |
1715 | target->rate_len++; | |
1716 | if (8 < target->rate_len) | |
1717 | pr_info("%s: AP returns %d rates\n", __func__, | |
1718 | target->rate_len); | |
1719 | target->rate_ext_len = 0; | |
1720 | for (r = 0; r < MAX_RATES_EX_LENGTH; r++) | |
1721 | if (scan_info->ext_rate[r]) | |
1722 | target->rate_ext_len++; | |
1723 | list_move_tail(&target->list, &wl->network_list); | |
09dde54c MM |
1724 | } |
1725 | memset(&data, 0, sizeof(data)); | |
1726 | wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data, | |
1727 | NULL); | |
1728 | out: | |
1729 | complete(&wl->scan_done); | |
706ddd60 | 1730 | mutex_unlock(&wl->scan_lock); |
09dde54c MM |
1731 | pr_debug("%s:end\n", __func__); |
1732 | } | |
1733 | ||
1734 | /* | |
1735 | * Select an appropriate bss from current scan list regarding | |
1736 | * current settings from userspace. | |
1737 | * The caller must hold wl->scan_lock, | |
1738 | * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST | |
1739 | */ | |
1740 | static void update_best(struct gelic_wl_scan_info **best, | |
1741 | struct gelic_wl_scan_info *candid, | |
1742 | int *best_weight, | |
1743 | int *weight) | |
1744 | { | |
1745 | if (*best_weight < ++(*weight)) { | |
1746 | *best_weight = *weight; | |
1747 | *best = candid; | |
1748 | } | |
1749 | } | |
1750 | ||
1751 | static | |
1752 | struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl) | |
1753 | { | |
1754 | struct gelic_wl_scan_info *scan_info; | |
1755 | struct gelic_wl_scan_info *best_bss; | |
1756 | int weight, best_weight; | |
1757 | u16 security; | |
1758 | DECLARE_MAC_BUF(mac); | |
1759 | ||
1760 | pr_debug("%s: <-\n", __func__); | |
1761 | ||
1762 | best_bss = NULL; | |
1763 | best_weight = 0; | |
1764 | ||
1765 | list_for_each_entry(scan_info, &wl->network_list, list) { | |
1766 | pr_debug("%s: station %p\n", __func__, scan_info); | |
1767 | ||
1768 | if (!scan_info->valid) { | |
1769 | pr_debug("%s: station invalid\n", __func__); | |
1770 | continue; | |
1771 | } | |
1772 | ||
1773 | /* If bss specified, check it only */ | |
1774 | if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) { | |
1775 | if (!compare_ether_addr(&scan_info->hwinfo->bssid[2], | |
1776 | wl->bssid)) { | |
1777 | best_bss = scan_info; | |
1778 | pr_debug("%s: bssid matched\n", __func__); | |
1779 | break; | |
1780 | } else { | |
1781 | pr_debug("%s: bssid unmached\n", __func__); | |
1782 | continue; | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | weight = 0; | |
1787 | ||
1788 | /* security */ | |
1789 | security = be16_to_cpu(scan_info->hwinfo->security) & | |
1790 | GELIC_EURUS_SCAN_SEC_MASK; | |
1791 | if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) { | |
1792 | if (security == GELIC_EURUS_SCAN_SEC_WPA2) | |
1793 | update_best(&best_bss, scan_info, | |
1794 | &best_weight, &weight); | |
1795 | else | |
1796 | continue; | |
1797 | } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) { | |
1798 | if (security == GELIC_EURUS_SCAN_SEC_WPA) | |
1799 | update_best(&best_bss, scan_info, | |
1800 | &best_weight, &weight); | |
1801 | else | |
1802 | continue; | |
1803 | } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE && | |
1804 | wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { | |
1805 | if (security == GELIC_EURUS_SCAN_SEC_WEP) | |
1806 | update_best(&best_bss, scan_info, | |
1807 | &best_weight, &weight); | |
1808 | else | |
1809 | continue; | |
1810 | } | |
1811 | ||
1812 | /* If ESSID is set, check it */ | |
1813 | if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) { | |
1814 | if ((scan_info->essid_len == wl->essid_len) && | |
1815 | !strncmp(wl->essid, | |
1816 | scan_info->hwinfo->essid, | |
1817 | scan_info->essid_len)) | |
1818 | update_best(&best_bss, scan_info, | |
1819 | &best_weight, &weight); | |
1820 | else | |
1821 | continue; | |
1822 | } | |
1823 | } | |
1824 | ||
1825 | #ifdef DEBUG | |
1826 | pr_debug("%s: -> bss=%p\n", __func__, best_bss); | |
1827 | if (best_bss) { | |
1828 | pr_debug("%s:addr=%s\n", __func__, | |
1829 | print_mac(mac, &best_bss->hwinfo->bssid[2])); | |
1830 | } | |
1831 | #endif | |
1832 | return best_bss; | |
1833 | } | |
1834 | ||
1835 | /* | |
1836 | * Setup WEP configuration to the chip | |
1837 | * The caller must hold wl->scan_lock, | |
1838 | * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST | |
1839 | */ | |
1840 | static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl) | |
1841 | { | |
1842 | unsigned int i; | |
1843 | struct gelic_eurus_wep_cfg *wep; | |
1844 | struct gelic_eurus_cmd *cmd; | |
1845 | int wep104 = 0; | |
1846 | int have_key = 0; | |
1847 | int ret = 0; | |
1848 | ||
1849 | pr_debug("%s: <-\n", __func__); | |
1850 | /* we can assume no one should uses the buffer */ | |
1851 | wep = wl->buf; | |
1852 | memset(wep, 0, sizeof(*wep)); | |
1853 | ||
1854 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { | |
1855 | pr_debug("%s: WEP mode\n", __func__); | |
1856 | for (i = 0; i < GELIC_WEP_KEYS; i++) { | |
1857 | if (!test_bit(i, &wl->key_enabled)) | |
1858 | continue; | |
1859 | ||
1860 | pr_debug("%s: key#%d enabled\n", __func__, i); | |
1861 | have_key = 1; | |
1862 | if (wl->key_len[i] == 13) | |
1863 | wep104 = 1; | |
1864 | else if (wl->key_len[i] != 5) { | |
1865 | pr_info("%s: wrong wep key[%d]=%d\n", | |
1866 | __func__, i, wl->key_len[i]); | |
1867 | ret = -EINVAL; | |
1868 | goto out; | |
1869 | } | |
1870 | memcpy(wep->key[i], wl->key[i], wl->key_len[i]); | |
1871 | } | |
1872 | ||
1873 | if (!have_key) { | |
1874 | pr_info("%s: all wep key disabled\n", __func__); | |
1875 | ret = -EINVAL; | |
1876 | goto out; | |
1877 | } | |
1878 | ||
1879 | if (wep104) { | |
1880 | pr_debug("%s: 104bit key\n", __func__); | |
1881 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT); | |
1882 | } else { | |
1883 | pr_debug("%s: 40bit key\n", __func__); | |
1884 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT); | |
1885 | } | |
1886 | } else { | |
1887 | pr_debug("%s: NO encryption\n", __func__); | |
1888 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE); | |
1889 | } | |
1890 | ||
1891 | /* issue wep setup */ | |
1892 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG, | |
1893 | wep, sizeof(*wep)); | |
1894 | if (!cmd) | |
1895 | ret = -ENOMEM; | |
1896 | else if (cmd->status || cmd->cmd_status) | |
1897 | ret = -ENXIO; | |
1898 | ||
1899 | kfree(cmd); | |
1900 | out: | |
1901 | pr_debug("%s: ->\n", __func__); | |
1902 | return ret; | |
1903 | } | |
1904 | ||
1905 | #ifdef DEBUG | |
1906 | static const char *wpasecstr(enum gelic_eurus_wpa_security sec) | |
1907 | { | |
1908 | switch (sec) { | |
1909 | case GELIC_EURUS_WPA_SEC_NONE: | |
1910 | return "NONE"; | |
1911 | break; | |
1912 | case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP: | |
1913 | return "WPA_TKIP_TKIP"; | |
1914 | break; | |
1915 | case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES: | |
1916 | return "WPA_TKIP_AES"; | |
1917 | break; | |
1918 | case GELIC_EURUS_WPA_SEC_WPA_AES_AES: | |
1919 | return "WPA_AES_AES"; | |
1920 | break; | |
1921 | case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP: | |
1922 | return "WPA2_TKIP_TKIP"; | |
1923 | break; | |
1924 | case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES: | |
1925 | return "WPA2_TKIP_AES"; | |
1926 | break; | |
1927 | case GELIC_EURUS_WPA_SEC_WPA2_AES_AES: | |
1928 | return "WPA2_AES_AES"; | |
1929 | break; | |
1930 | } | |
1931 | return ""; | |
1932 | }; | |
1933 | #endif | |
1934 | ||
1935 | static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl) | |
1936 | { | |
1937 | struct gelic_eurus_wpa_cfg *wpa; | |
1938 | struct gelic_eurus_cmd *cmd; | |
1939 | u16 security; | |
1940 | int ret = 0; | |
1941 | ||
1942 | pr_debug("%s: <-\n", __func__); | |
1943 | /* we can assume no one should uses the buffer */ | |
1944 | wpa = wl->buf; | |
1945 | memset(wpa, 0, sizeof(*wpa)); | |
1946 | ||
1947 | if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) | |
1948 | pr_info("%s: PSK not configured yet\n", __func__); | |
1949 | ||
1950 | /* copy key */ | |
1951 | memcpy(wpa->psk, wl->psk, wl->psk_len); | |
1952 | ||
1953 | /* set security level */ | |
1954 | if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) { | |
1955 | if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) { | |
1956 | security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES; | |
1957 | } else { | |
1958 | if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES && | |
1959 | precise_ie()) | |
1960 | security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES; | |
1961 | else | |
1962 | security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP; | |
1963 | } | |
1964 | } else { | |
1965 | if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) { | |
1966 | security = GELIC_EURUS_WPA_SEC_WPA_AES_AES; | |
1967 | } else { | |
1968 | if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES && | |
1969 | precise_ie()) | |
1970 | security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES; | |
1971 | else | |
1972 | security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP; | |
1973 | } | |
1974 | } | |
1975 | wpa->security = cpu_to_be16(security); | |
1976 | ||
1977 | /* PSK type */ | |
1978 | wpa->psk_type = cpu_to_be16(wl->psk_type); | |
1979 | #ifdef DEBUG | |
1980 | pr_debug("%s: sec=%s psktype=%s\nn", __func__, | |
1981 | wpasecstr(wpa->security), | |
1982 | (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ? | |
1983 | "BIN" : "passphrase"); | |
1984 | #if 0 | |
1985 | /* | |
1986 | * don't enable here if you plan to submit | |
1987 | * the debug log because this dumps your precious | |
1988 | * passphrase/key. | |
1989 | */ | |
1990 | pr_debug("%s: psk=%s\n", | |
1991 | (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ? | |
1992 | (char *)"N/A" : (char *)wpa->psk); | |
1993 | #endif | |
1994 | #endif | |
1995 | /* issue wpa setup */ | |
1996 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG, | |
1997 | wpa, sizeof(*wpa)); | |
1998 | if (!cmd) | |
1999 | ret = -ENOMEM; | |
2000 | else if (cmd->status || cmd->cmd_status) | |
2001 | ret = -ENXIO; | |
2002 | kfree(cmd); | |
2003 | pr_debug("%s: --> %d\n", __func__, ret); | |
2004 | return ret; | |
2005 | } | |
2006 | ||
2007 | /* | |
2008 | * Start association. caller must hold assoc_stat_lock | |
2009 | */ | |
2010 | static int gelic_wl_associate_bss(struct gelic_wl_info *wl, | |
2011 | struct gelic_wl_scan_info *bss) | |
2012 | { | |
2013 | struct gelic_eurus_cmd *cmd; | |
2014 | struct gelic_eurus_common_cfg *common; | |
2015 | int ret = 0; | |
2016 | unsigned long rc; | |
2017 | ||
2018 | pr_debug("%s: <-\n", __func__); | |
2019 | ||
2020 | /* do common config */ | |
2021 | common = wl->buf; | |
2022 | memset(common, 0, sizeof(*common)); | |
2023 | common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA); | |
2024 | common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG); | |
2025 | ||
2026 | common->scan_index = cpu_to_be16(bss->eurus_index); | |
2027 | switch (wl->auth_method) { | |
2028 | case GELIC_EURUS_AUTH_OPEN: | |
2029 | common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN); | |
2030 | break; | |
2031 | case GELIC_EURUS_AUTH_SHARED: | |
2032 | common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED); | |
2033 | break; | |
2034 | } | |
2035 | ||
2036 | #ifdef DEBUG | |
2037 | scan_list_dump(wl); | |
2038 | #endif | |
2039 | pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__, | |
2040 | be16_to_cpu(common->scan_index), | |
2041 | be16_to_cpu(common->bss_type), | |
2042 | be16_to_cpu(common->auth_method)); | |
2043 | ||
2044 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG, | |
2045 | common, sizeof(*common)); | |
2046 | if (!cmd || cmd->status || cmd->cmd_status) { | |
2047 | ret = -ENOMEM; | |
2048 | kfree(cmd); | |
2049 | goto out; | |
2050 | } | |
2051 | kfree(cmd); | |
2052 | ||
2053 | /* WEP/WPA */ | |
2054 | switch (wl->wpa_level) { | |
2055 | case GELIC_WL_WPA_LEVEL_NONE: | |
2056 | /* If WEP or no security, setup WEP config */ | |
2057 | ret = gelic_wl_do_wep_setup(wl); | |
2058 | break; | |
2059 | case GELIC_WL_WPA_LEVEL_WPA: | |
2060 | case GELIC_WL_WPA_LEVEL_WPA2: | |
2061 | ret = gelic_wl_do_wpa_setup(wl); | |
2062 | break; | |
2063 | }; | |
2064 | ||
2065 | if (ret) { | |
2066 | pr_debug("%s: WEP/WPA setup failed %d\n", __func__, | |
2067 | ret); | |
2068 | } | |
2069 | ||
2070 | /* start association */ | |
2071 | init_completion(&wl->assoc_done); | |
2072 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING; | |
2073 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC, | |
2074 | NULL, 0); | |
2075 | if (!cmd || cmd->status || cmd->cmd_status) { | |
2076 | pr_debug("%s: assoc request failed\n", __func__); | |
2077 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; | |
2078 | kfree(cmd); | |
2079 | ret = -ENOMEM; | |
2080 | gelic_wl_send_iwap_event(wl, NULL); | |
2081 | goto out; | |
2082 | } | |
2083 | kfree(cmd); | |
2084 | ||
2085 | /* wait for connected event */ | |
2086 | rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/ | |
2087 | ||
2088 | if (!rc) { | |
2089 | /* timeouted. Maybe key or cyrpt mode is wrong */ | |
2090 | pr_info("%s: connect timeout \n", __func__); | |
2091 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, | |
2092 | NULL, 0); | |
2093 | kfree(cmd); | |
2094 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; | |
2095 | gelic_wl_send_iwap_event(wl, NULL); | |
2096 | ret = -ENXIO; | |
2097 | } else { | |
2098 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED; | |
2099 | /* copy bssid */ | |
2100 | memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN); | |
2101 | ||
2102 | /* send connect event */ | |
2103 | gelic_wl_send_iwap_event(wl, wl->active_bssid); | |
2104 | pr_info("%s: connected\n", __func__); | |
2105 | } | |
2106 | out: | |
2107 | pr_debug("%s: ->\n", __func__); | |
2108 | return ret; | |
2109 | } | |
2110 | ||
2111 | /* | |
2112 | * connected event | |
2113 | */ | |
2114 | static void gelic_wl_connected_event(struct gelic_wl_info *wl, | |
2115 | u64 event) | |
2116 | { | |
2117 | u64 desired_event = 0; | |
2118 | ||
2119 | switch (wl->wpa_level) { | |
2120 | case GELIC_WL_WPA_LEVEL_NONE: | |
2121 | desired_event = GELIC_LV1_WL_EVENT_CONNECTED; | |
2122 | break; | |
2123 | case GELIC_WL_WPA_LEVEL_WPA: | |
2124 | case GELIC_WL_WPA_LEVEL_WPA2: | |
2125 | desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED; | |
2126 | break; | |
2127 | } | |
2128 | ||
2129 | if (desired_event == event) { | |
2130 | pr_debug("%s: completed \n", __func__); | |
2131 | complete(&wl->assoc_done); | |
2132 | netif_carrier_on(port_to_netdev(wl_port(wl))); | |
2133 | } else | |
2134 | pr_debug("%s: event %#lx under wpa\n", | |
2135 | __func__, event); | |
2136 | } | |
2137 | ||
2138 | /* | |
2139 | * disconnect event | |
2140 | */ | |
2141 | static void gelic_wl_disconnect_event(struct gelic_wl_info *wl, | |
2142 | u64 event) | |
2143 | { | |
2144 | struct gelic_eurus_cmd *cmd; | |
2145 | int lock; | |
2146 | ||
2147 | /* | |
2148 | * If we fall here in the middle of association, | |
2149 | * associate_bss() should be waiting for complation of | |
2150 | * wl->assoc_done. | |
2151 | * As it waits with timeout, just leave assoc_done | |
2152 | * uncompleted, then it terminates with timeout | |
2153 | */ | |
2154 | if (down_trylock(&wl->assoc_stat_lock)) { | |
2155 | pr_debug("%s: already locked\n", __func__); | |
2156 | lock = 0; | |
2157 | } else { | |
2158 | pr_debug("%s: obtain lock\n", __func__); | |
2159 | lock = 1; | |
2160 | } | |
2161 | ||
2162 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0); | |
2163 | kfree(cmd); | |
2164 | ||
2165 | /* send disconnected event to the supplicant */ | |
2166 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) | |
2167 | gelic_wl_send_iwap_event(wl, NULL); | |
2168 | ||
2169 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; | |
2170 | netif_carrier_off(port_to_netdev(wl_port(wl))); | |
2171 | ||
2172 | if (lock) | |
2173 | up(&wl->assoc_stat_lock); | |
2174 | } | |
2175 | /* | |
2176 | * event worker | |
2177 | */ | |
2178 | #ifdef DEBUG | |
2179 | static const char *eventstr(enum gelic_lv1_wl_event event) | |
2180 | { | |
2181 | static char buf[32]; | |
2182 | char *ret; | |
2183 | if (event & GELIC_LV1_WL_EVENT_DEVICE_READY) | |
2184 | ret = "EURUS_READY"; | |
2185 | else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED) | |
2186 | ret = "SCAN_COMPLETED"; | |
2187 | else if (event & GELIC_LV1_WL_EVENT_DEAUTH) | |
2188 | ret = "DEAUTH"; | |
2189 | else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST) | |
2190 | ret = "BEACON_LOST"; | |
2191 | else if (event & GELIC_LV1_WL_EVENT_CONNECTED) | |
2192 | ret = "CONNECTED"; | |
2193 | else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED) | |
2194 | ret = "WPA_CONNECTED"; | |
2195 | else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR) | |
2196 | ret = "WPA_ERROR"; | |
2197 | else { | |
2198 | sprintf(buf, "Unknown(%#x)", event); | |
2199 | ret = buf; | |
2200 | } | |
2201 | return ret; | |
2202 | } | |
2203 | #else | |
2204 | static const char *eventstr(enum gelic_lv1_wl_event event) | |
2205 | { | |
2206 | return NULL; | |
2207 | } | |
2208 | #endif | |
2209 | static void gelic_wl_event_worker(struct work_struct *work) | |
2210 | { | |
2211 | struct gelic_wl_info *wl; | |
2212 | struct gelic_port *port; | |
2213 | u64 event, tmp; | |
2214 | int status; | |
2215 | ||
2216 | pr_debug("%s:start\n", __func__); | |
2217 | wl = container_of(work, struct gelic_wl_info, event_work.work); | |
2218 | port = wl_port(wl); | |
2219 | while (1) { | |
2220 | status = lv1_net_control(bus_id(port->card), dev_id(port->card), | |
2221 | GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0, | |
2222 | &event, &tmp); | |
2223 | if (status) { | |
2224 | if (status != LV1_NO_ENTRY) | |
2225 | pr_debug("%s:wlan event failed %d\n", | |
2226 | __func__, status); | |
2227 | /* got all events */ | |
2228 | pr_debug("%s:end\n", __func__); | |
2229 | return; | |
2230 | } | |
2231 | pr_debug("%s: event=%s\n", __func__, eventstr(event)); | |
2232 | switch (event) { | |
2233 | case GELIC_LV1_WL_EVENT_SCAN_COMPLETED: | |
2234 | gelic_wl_scan_complete_event(wl); | |
2235 | break; | |
2236 | case GELIC_LV1_WL_EVENT_BEACON_LOST: | |
2237 | case GELIC_LV1_WL_EVENT_DEAUTH: | |
2238 | gelic_wl_disconnect_event(wl, event); | |
2239 | break; | |
2240 | case GELIC_LV1_WL_EVENT_CONNECTED: | |
2241 | case GELIC_LV1_WL_EVENT_WPA_CONNECTED: | |
2242 | gelic_wl_connected_event(wl, event); | |
2243 | break; | |
2244 | default: | |
2245 | break; | |
2246 | } | |
2247 | } /* while */ | |
2248 | } | |
2249 | /* | |
2250 | * association worker | |
2251 | */ | |
2252 | static void gelic_wl_assoc_worker(struct work_struct *work) | |
2253 | { | |
2254 | struct gelic_wl_info *wl; | |
2255 | ||
2256 | struct gelic_wl_scan_info *best_bss; | |
2257 | int ret; | |
2258 | ||
2259 | wl = container_of(work, struct gelic_wl_info, assoc_work.work); | |
2260 | ||
2261 | down(&wl->assoc_stat_lock); | |
2262 | ||
2263 | if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN) | |
2264 | goto out; | |
2265 | ||
2266 | ret = gelic_wl_start_scan(wl, 0); | |
2267 | if (ret == -ERESTARTSYS) { | |
2268 | pr_debug("%s: scan start failed association\n", __func__); | |
2269 | schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/ | |
2270 | goto out; | |
2271 | } else if (ret) { | |
2272 | pr_info("%s: scan prerequisite failed\n", __func__); | |
2273 | goto out; | |
2274 | } | |
2275 | ||
2276 | /* | |
2277 | * Wait for bss scan completion | |
2278 | * If we have scan list already, gelic_wl_start_scan() | |
2279 | * returns OK and raises the complete. Thus, | |
2280 | * it's ok to wait unconditionally here | |
2281 | */ | |
2282 | wait_for_completion(&wl->scan_done); | |
2283 | ||
2284 | pr_debug("%s: scan done\n", __func__); | |
706ddd60 | 2285 | mutex_lock(&wl->scan_lock); |
09dde54c MM |
2286 | if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) { |
2287 | gelic_wl_send_iwap_event(wl, NULL); | |
2288 | pr_info("%s: no scan list. association failed\n", __func__); | |
2289 | goto scan_lock_out; | |
2290 | } | |
2291 | ||
2292 | /* find best matching bss */ | |
2293 | best_bss = gelic_wl_find_best_bss(wl); | |
2294 | if (!best_bss) { | |
2295 | gelic_wl_send_iwap_event(wl, NULL); | |
2296 | pr_info("%s: no bss matched. association failed\n", __func__); | |
2297 | goto scan_lock_out; | |
2298 | } | |
2299 | ||
2300 | /* ok, do association */ | |
2301 | ret = gelic_wl_associate_bss(wl, best_bss); | |
2302 | if (ret) | |
2303 | pr_info("%s: association failed %d\n", __func__, ret); | |
2304 | scan_lock_out: | |
706ddd60 | 2305 | mutex_unlock(&wl->scan_lock); |
09dde54c MM |
2306 | out: |
2307 | up(&wl->assoc_stat_lock); | |
2308 | } | |
2309 | /* | |
2310 | * Interrupt handler | |
2311 | * Called from the ethernet interrupt handler | |
2312 | * Processes wireless specific virtual interrupts only | |
2313 | */ | |
2314 | void gelic_wl_interrupt(struct net_device *netdev, u64 status) | |
2315 | { | |
2316 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
2317 | ||
2318 | if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) { | |
2319 | pr_debug("%s:cmd complete\n", __func__); | |
2320 | complete(&wl->cmd_done_intr); | |
2321 | } | |
2322 | ||
2323 | if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) { | |
2324 | pr_debug("%s:event received\n", __func__); | |
2325 | queue_delayed_work(wl->event_queue, &wl->event_work, 0); | |
2326 | } | |
2327 | } | |
2328 | ||
2329 | /* | |
2330 | * driver helpers | |
2331 | */ | |
2332 | #define IW_IOCTL(n) [(n) - SIOCSIWCOMMIT] | |
2333 | static const iw_handler gelic_wl_wext_handler[] = | |
2334 | { | |
2335 | IW_IOCTL(SIOCGIWNAME) = gelic_wl_get_name, | |
2336 | IW_IOCTL(SIOCGIWRANGE) = gelic_wl_get_range, | |
2337 | IW_IOCTL(SIOCSIWSCAN) = gelic_wl_set_scan, | |
2338 | IW_IOCTL(SIOCGIWSCAN) = gelic_wl_get_scan, | |
2339 | IW_IOCTL(SIOCSIWAUTH) = gelic_wl_set_auth, | |
2340 | IW_IOCTL(SIOCGIWAUTH) = gelic_wl_get_auth, | |
2341 | IW_IOCTL(SIOCSIWESSID) = gelic_wl_set_essid, | |
2342 | IW_IOCTL(SIOCGIWESSID) = gelic_wl_get_essid, | |
2343 | IW_IOCTL(SIOCSIWENCODE) = gelic_wl_set_encode, | |
2344 | IW_IOCTL(SIOCGIWENCODE) = gelic_wl_get_encode, | |
2345 | IW_IOCTL(SIOCSIWAP) = gelic_wl_set_ap, | |
2346 | IW_IOCTL(SIOCGIWAP) = gelic_wl_get_ap, | |
2347 | IW_IOCTL(SIOCSIWENCODEEXT) = gelic_wl_set_encodeext, | |
2348 | IW_IOCTL(SIOCGIWENCODEEXT) = gelic_wl_get_encodeext, | |
2349 | IW_IOCTL(SIOCSIWMODE) = gelic_wl_set_mode, | |
2350 | IW_IOCTL(SIOCGIWMODE) = gelic_wl_get_mode, | |
2351 | IW_IOCTL(SIOCGIWNICKN) = gelic_wl_get_nick, | |
2352 | }; | |
2353 | ||
2354 | static struct iw_priv_args gelic_wl_private_args[] = | |
2355 | { | |
2356 | { | |
2357 | .cmd = GELIC_WL_PRIV_SET_PSK, | |
2358 | .set_args = IW_PRIV_TYPE_CHAR | | |
2359 | (GELIC_WL_EURUS_PSK_MAX_LEN + 2), | |
2360 | .name = "set_psk" | |
2361 | }, | |
2362 | { | |
2363 | .cmd = GELIC_WL_PRIV_GET_PSK, | |
2364 | .get_args = IW_PRIV_TYPE_CHAR | | |
2365 | (GELIC_WL_EURUS_PSK_MAX_LEN + 2), | |
2366 | .name = "get_psk" | |
2367 | } | |
2368 | }; | |
2369 | ||
2370 | static const iw_handler gelic_wl_private_handler[] = | |
2371 | { | |
2372 | gelic_wl_priv_set_psk, | |
2373 | gelic_wl_priv_get_psk, | |
2374 | }; | |
2375 | ||
2376 | static const struct iw_handler_def gelic_wl_wext_handler_def = { | |
2377 | .num_standard = ARRAY_SIZE(gelic_wl_wext_handler), | |
2378 | .standard = gelic_wl_wext_handler, | |
2379 | .get_wireless_stats = gelic_wl_get_wireless_stats, | |
2380 | .num_private = ARRAY_SIZE(gelic_wl_private_handler), | |
2381 | .num_private_args = ARRAY_SIZE(gelic_wl_private_args), | |
2382 | .private = gelic_wl_private_handler, | |
2383 | .private_args = gelic_wl_private_args, | |
2384 | }; | |
2385 | ||
2386 | static struct net_device *gelic_wl_alloc(struct gelic_card *card) | |
2387 | { | |
2388 | struct net_device *netdev; | |
2389 | struct gelic_port *port; | |
2390 | struct gelic_wl_info *wl; | |
2391 | unsigned int i; | |
2392 | ||
2393 | pr_debug("%s:start\n", __func__); | |
2394 | netdev = alloc_etherdev(sizeof(struct gelic_port) + | |
2395 | sizeof(struct gelic_wl_info)); | |
2396 | pr_debug("%s: netdev =%p card=%p \np", __func__, netdev, card); | |
2397 | if (!netdev) | |
2398 | return NULL; | |
2399 | ||
c1e889be MM |
2400 | strcpy(netdev->name, "wlan%d"); |
2401 | ||
09dde54c MM |
2402 | port = netdev_priv(netdev); |
2403 | port->netdev = netdev; | |
2404 | port->card = card; | |
2405 | port->type = GELIC_PORT_WIRELESS; | |
2406 | ||
2407 | wl = port_wl(port); | |
2408 | pr_debug("%s: wl=%p port=%p\n", __func__, wl, port); | |
2409 | ||
2410 | /* allocate scan list */ | |
2411 | wl->networks = kzalloc(sizeof(struct gelic_wl_scan_info) * | |
2412 | GELIC_WL_BSS_MAX_ENT, GFP_KERNEL); | |
2413 | ||
2414 | if (!wl->networks) | |
2415 | goto fail_bss; | |
2416 | ||
2417 | wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd"); | |
2418 | if (!wl->eurus_cmd_queue) | |
2419 | goto fail_cmd_workqueue; | |
2420 | ||
2421 | wl->event_queue = create_singlethread_workqueue("gelic_event"); | |
2422 | if (!wl->event_queue) | |
2423 | goto fail_event_workqueue; | |
2424 | ||
2425 | INIT_LIST_HEAD(&wl->network_free_list); | |
2426 | INIT_LIST_HEAD(&wl->network_list); | |
2427 | for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++) | |
2428 | list_add_tail(&wl->networks[i].list, | |
2429 | &wl->network_free_list); | |
2430 | init_completion(&wl->cmd_done_intr); | |
2431 | ||
2432 | INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker); | |
2433 | INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker); | |
706ddd60 | 2434 | mutex_init(&wl->scan_lock); |
09dde54c MM |
2435 | init_MUTEX(&wl->assoc_stat_lock); |
2436 | ||
2437 | init_completion(&wl->scan_done); | |
2438 | /* for the case that no scan request is issued and stop() is called */ | |
2439 | complete(&wl->scan_done); | |
2440 | ||
2441 | spin_lock_init(&wl->lock); | |
2442 | ||
2443 | wl->scan_age = 5*HZ; /* FIXME */ | |
2444 | ||
2445 | /* buffer for receiving scanned list etc */ | |
2446 | BUILD_BUG_ON(PAGE_SIZE < | |
2447 | sizeof(struct gelic_eurus_scan_info) * | |
2448 | GELIC_EURUS_MAX_SCAN); | |
2449 | wl->buf = (void *)get_zeroed_page(GFP_KERNEL); | |
2450 | if (!wl->buf) { | |
2451 | pr_info("%s:buffer allocation failed\n", __func__); | |
2452 | goto fail_getpage; | |
2453 | } | |
2454 | pr_debug("%s:end\n", __func__); | |
2455 | return netdev; | |
2456 | ||
2457 | fail_getpage: | |
2458 | destroy_workqueue(wl->event_queue); | |
2459 | fail_event_workqueue: | |
2460 | destroy_workqueue(wl->eurus_cmd_queue); | |
2461 | fail_cmd_workqueue: | |
2462 | kfree(wl->networks); | |
2463 | fail_bss: | |
2464 | free_netdev(netdev); | |
2465 | pr_debug("%s:end error\n", __func__); | |
2466 | return NULL; | |
2467 | ||
2468 | } | |
2469 | ||
2470 | static void gelic_wl_free(struct gelic_wl_info *wl) | |
2471 | { | |
2472 | struct gelic_wl_scan_info *scan_info; | |
2473 | unsigned int i; | |
2474 | ||
2475 | pr_debug("%s: <-\n", __func__); | |
2476 | ||
6fc7431d MM |
2477 | free_page((unsigned long)wl->buf); |
2478 | ||
09dde54c MM |
2479 | pr_debug("%s: destroy queues\n", __func__); |
2480 | destroy_workqueue(wl->eurus_cmd_queue); | |
2481 | destroy_workqueue(wl->event_queue); | |
2482 | ||
2483 | scan_info = wl->networks; | |
2484 | for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++) | |
2485 | kfree(scan_info->hwinfo); | |
2486 | kfree(wl->networks); | |
2487 | ||
2488 | free_netdev(port_to_netdev(wl_port(wl))); | |
2489 | ||
2490 | pr_debug("%s: ->\n", __func__); | |
2491 | } | |
2492 | ||
2493 | static int gelic_wl_try_associate(struct net_device *netdev) | |
2494 | { | |
2495 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); | |
2496 | int ret = -1; | |
2497 | unsigned int i; | |
2498 | ||
2499 | pr_debug("%s: <-\n", __func__); | |
2500 | ||
2501 | /* check constraits for start association */ | |
2502 | /* for no access restriction AP */ | |
2503 | if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) { | |
2504 | if (test_bit(GELIC_WL_STAT_CONFIGURED, | |
2505 | &wl->stat)) | |
2506 | goto do_associate; | |
2507 | else { | |
2508 | pr_debug("%s: no wep, not configured\n", __func__); | |
2509 | return ret; | |
2510 | } | |
2511 | } | |
2512 | ||
2513 | /* for WEP, one of four keys should be set */ | |
2514 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { | |
2515 | /* one of keys set */ | |
2516 | for (i = 0; i < GELIC_WEP_KEYS; i++) { | |
2517 | if (test_bit(i, &wl->key_enabled)) | |
2518 | goto do_associate; | |
2519 | } | |
2520 | pr_debug("%s: WEP, but no key specified\n", __func__); | |
2521 | return ret; | |
2522 | } | |
2523 | ||
2524 | /* for WPA[2], psk should be set */ | |
2525 | if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) || | |
2526 | (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) { | |
2527 | if (test_bit(GELIC_WL_STAT_WPA_PSK_SET, | |
2528 | &wl->stat)) | |
2529 | goto do_associate; | |
2530 | else { | |
2531 | pr_debug("%s: AES/TKIP, but PSK not configured\n", | |
2532 | __func__); | |
2533 | return ret; | |
2534 | } | |
2535 | } | |
2536 | ||
2537 | do_associate: | |
2538 | ret = schedule_delayed_work(&wl->assoc_work, 0); | |
2539 | pr_debug("%s: start association work %d\n", __func__, ret); | |
2540 | return ret; | |
2541 | } | |
2542 | ||
2543 | /* | |
2544 | * netdev handlers | |
2545 | */ | |
2546 | static int gelic_wl_open(struct net_device *netdev) | |
2547 | { | |
2548 | struct gelic_card *card = netdev_card(netdev); | |
2549 | ||
2550 | pr_debug("%s:->%p\n", __func__, netdev); | |
2551 | ||
2552 | gelic_card_up(card); | |
2553 | ||
2554 | /* try to associate */ | |
2555 | gelic_wl_try_associate(netdev); | |
2556 | ||
2557 | netif_start_queue(netdev); | |
2558 | ||
2559 | pr_debug("%s:<-\n", __func__); | |
2560 | return 0; | |
2561 | } | |
2562 | ||
2563 | /* | |
2564 | * reset state machine | |
2565 | */ | |
2566 | static int gelic_wl_reset_state(struct gelic_wl_info *wl) | |
2567 | { | |
2568 | struct gelic_wl_scan_info *target; | |
2569 | struct gelic_wl_scan_info *tmp; | |
2570 | ||
2571 | /* empty scan list */ | |
2572 | list_for_each_entry_safe(target, tmp, &wl->network_list, list) { | |
2573 | list_move_tail(&target->list, &wl->network_free_list); | |
2574 | } | |
2575 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; | |
2576 | ||
2577 | /* clear configuration */ | |
2578 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; | |
2579 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; | |
2580 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; | |
2581 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; | |
2582 | ||
2583 | wl->key_enabled = 0; | |
2584 | wl->current_key = 0; | |
2585 | ||
2586 | wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE; | |
2587 | wl->psk_len = 0; | |
2588 | ||
2589 | wl->essid_len = 0; | |
2590 | memset(wl->essid, 0, sizeof(wl->essid)); | |
2591 | memset(wl->bssid, 0, sizeof(wl->bssid)); | |
2592 | memset(wl->active_bssid, 0, sizeof(wl->active_bssid)); | |
2593 | ||
2594 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; | |
2595 | ||
2596 | memset(&wl->iwstat, 0, sizeof(wl->iwstat)); | |
2597 | /* all status bit clear */ | |
2598 | wl->stat = 0; | |
2599 | return 0; | |
2600 | } | |
2601 | ||
2602 | /* | |
2603 | * Tell eurus to terminate association | |
2604 | */ | |
2605 | static void gelic_wl_disconnect(struct net_device *netdev) | |
2606 | { | |
2607 | struct gelic_port *port = netdev_priv(netdev); | |
2608 | struct gelic_wl_info *wl = port_wl(port); | |
2609 | struct gelic_eurus_cmd *cmd; | |
2610 | ||
2611 | /* | |
2612 | * If scann process is running on chip, | |
2613 | * further requests will be rejected | |
2614 | */ | |
2615 | if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) | |
2616 | wait_for_completion_timeout(&wl->scan_done, HZ); | |
2617 | ||
2618 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0); | |
2619 | kfree(cmd); | |
2620 | gelic_wl_send_iwap_event(wl, NULL); | |
2621 | }; | |
2622 | ||
2623 | static int gelic_wl_stop(struct net_device *netdev) | |
2624 | { | |
2625 | struct gelic_port *port = netdev_priv(netdev); | |
2626 | struct gelic_wl_info *wl = port_wl(port); | |
2627 | struct gelic_card *card = netdev_card(netdev); | |
2628 | ||
2629 | pr_debug("%s:<-\n", __func__); | |
2630 | ||
2631 | /* | |
2632 | * Cancel pending association work. | |
2633 | * event work can run after netdev down | |
2634 | */ | |
2635 | cancel_delayed_work(&wl->assoc_work); | |
2636 | ||
2637 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) | |
2638 | gelic_wl_disconnect(netdev); | |
2639 | ||
2640 | /* reset our state machine */ | |
2641 | gelic_wl_reset_state(wl); | |
2642 | ||
2643 | netif_stop_queue(netdev); | |
2644 | ||
2645 | gelic_card_down(card); | |
2646 | ||
2647 | pr_debug("%s:->\n", __func__); | |
2648 | return 0; | |
2649 | } | |
2650 | ||
2651 | /* -- */ | |
2652 | ||
2653 | static struct ethtool_ops gelic_wl_ethtool_ops = { | |
2654 | .get_drvinfo = gelic_net_get_drvinfo, | |
2655 | .get_link = gelic_wl_get_link, | |
2656 | .get_tx_csum = ethtool_op_get_tx_csum, | |
2657 | .set_tx_csum = ethtool_op_set_tx_csum, | |
2658 | .get_rx_csum = gelic_net_get_rx_csum, | |
2659 | .set_rx_csum = gelic_net_set_rx_csum, | |
2660 | }; | |
2661 | ||
2662 | static void gelic_wl_setup_netdev_ops(struct net_device *netdev) | |
2663 | { | |
2664 | struct gelic_wl_info *wl; | |
2665 | wl = port_wl(netdev_priv(netdev)); | |
2666 | BUG_ON(!wl); | |
2667 | netdev->open = &gelic_wl_open; | |
2668 | netdev->stop = &gelic_wl_stop; | |
2669 | netdev->hard_start_xmit = &gelic_net_xmit; | |
2670 | netdev->set_multicast_list = &gelic_net_set_multi; | |
2671 | netdev->change_mtu = &gelic_net_change_mtu; | |
2672 | netdev->wireless_data = &wl->wireless_data; | |
2673 | netdev->wireless_handlers = &gelic_wl_wext_handler_def; | |
2674 | /* tx watchdog */ | |
2675 | netdev->tx_timeout = &gelic_net_tx_timeout; | |
2676 | netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT; | |
2677 | ||
2678 | netdev->ethtool_ops = &gelic_wl_ethtool_ops; | |
2679 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
2680 | netdev->poll_controller = gelic_net_poll_controller; | |
2681 | #endif | |
2682 | } | |
2683 | ||
2684 | /* | |
2685 | * driver probe/remove | |
2686 | */ | |
2687 | int gelic_wl_driver_probe(struct gelic_card *card) | |
2688 | { | |
2689 | int ret; | |
2690 | struct net_device *netdev; | |
2691 | ||
2692 | pr_debug("%s:start\n", __func__); | |
2693 | ||
2694 | if (ps3_compare_firmware_version(1, 6, 0) < 0) | |
2695 | return 0; | |
2696 | if (!card->vlan[GELIC_PORT_WIRELESS].tx) | |
2697 | return 0; | |
2698 | ||
2699 | /* alloc netdevice for wireless */ | |
2700 | netdev = gelic_wl_alloc(card); | |
2701 | if (!netdev) | |
2702 | return -ENOMEM; | |
2703 | ||
2704 | /* setup net_device structure */ | |
4b74850d | 2705 | SET_NETDEV_DEV(netdev, &card->dev->core); |
09dde54c MM |
2706 | gelic_wl_setup_netdev_ops(netdev); |
2707 | ||
2708 | /* setup some of net_device and register it */ | |
2709 | ret = gelic_net_setup_netdev(netdev, card); | |
2710 | if (ret) | |
2711 | goto fail_setup; | |
2712 | card->netdev[GELIC_PORT_WIRELESS] = netdev; | |
2713 | ||
2714 | /* add enable wireless interrupt */ | |
2715 | card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED | | |
2716 | GELIC_CARD_WLAN_COMMAND_COMPLETED; | |
2717 | /* to allow wireless commands while both interfaces are down */ | |
2718 | gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED | | |
2719 | GELIC_CARD_WLAN_COMMAND_COMPLETED); | |
2720 | pr_debug("%s:end\n", __func__); | |
2721 | return 0; | |
2722 | ||
2723 | fail_setup: | |
2724 | gelic_wl_free(port_wl(netdev_port(netdev))); | |
2725 | ||
2726 | return ret; | |
2727 | } | |
2728 | ||
2729 | int gelic_wl_driver_remove(struct gelic_card *card) | |
2730 | { | |
2731 | struct gelic_wl_info *wl; | |
2732 | struct net_device *netdev; | |
2733 | ||
2734 | pr_debug("%s:start\n", __func__); | |
2735 | ||
2736 | if (ps3_compare_firmware_version(1, 6, 0) < 0) | |
2737 | return 0; | |
2738 | if (!card->vlan[GELIC_PORT_WIRELESS].tx) | |
2739 | return 0; | |
2740 | ||
2741 | netdev = card->netdev[GELIC_PORT_WIRELESS]; | |
2742 | wl = port_wl(netdev_priv(netdev)); | |
2743 | ||
2744 | /* if the interface was not up, but associated */ | |
2745 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) | |
2746 | gelic_wl_disconnect(netdev); | |
2747 | ||
2748 | complete(&wl->cmd_done_intr); | |
2749 | ||
2750 | /* cancel all work queue */ | |
2751 | cancel_delayed_work(&wl->assoc_work); | |
2752 | cancel_delayed_work(&wl->event_work); | |
2753 | flush_workqueue(wl->eurus_cmd_queue); | |
2754 | flush_workqueue(wl->event_queue); | |
2755 | ||
2756 | unregister_netdev(netdev); | |
2757 | ||
2758 | /* disable wireless interrupt */ | |
2759 | pr_debug("%s: disable intr\n", __func__); | |
2760 | card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED | | |
2761 | GELIC_CARD_WLAN_COMMAND_COMPLETED); | |
2762 | /* free bss list, netdev*/ | |
2763 | gelic_wl_free(wl); | |
2764 | pr_debug("%s:end\n", __func__); | |
2765 | return 0; | |
2766 | } |