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iwlwifi: remove 4965 prefix from iwl4965_ucode
[linux-2.6/mini2440.git] / drivers / net / ps3_gelic_wireless.c
blobaa963ac1e37b2086bc677724664f7a7368bef3d0
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 u8 *essid, size_t essid_len);
50 static int gelic_wl_try_associate(struct net_device *netdev);
51
52 /*
53 * tables
54 */
55
56 /* 802.11b/g channel to freq in MHz */
57 static const int channel_freq[] = {
58 2412, 2417, 2422, 2427, 2432,
59 2437, 2442, 2447, 2452, 2457,
60 2462, 2467, 2472, 2484
61 };
62 #define NUM_CHANNELS ARRAY_SIZE(channel_freq)
63
64 /* in bps */
65 static const int bitrate_list[] = {
66 1000000,
67 2000000,
68 5500000,
69 11000000,
70 6000000,
71 9000000,
72 12000000,
73 18000000,
74 24000000,
75 36000000,
76 48000000,
77 54000000
78 };
79 #define NUM_BITRATES ARRAY_SIZE(bitrate_list)
80
81 /*
82 * wpa2 support requires the hypervisor version 2.0 or later
83 */
84 static inline int wpa2_capable(void)
85 {
86 return (0 <= ps3_compare_firmware_version(2, 0, 0));
87 }
88
89 static inline int precise_ie(void)
90 {
91 return (0 <= ps3_compare_firmware_version(2, 2, 0));
92 }
93 /*
94 * post_eurus_cmd helpers
95 */
96 struct eurus_cmd_arg_info {
97 int pre_arg; /* command requres arg1, arg2 at POST COMMAND */
98 int post_arg; /* command requires arg1, arg2 at GET_RESULT */
99 };
100
101 static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = {
102 [GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1},
103 [GELIC_EURUS_CMD_SET_WEP_CFG] = { .pre_arg = 1},
104 [GELIC_EURUS_CMD_SET_WPA_CFG] = { .pre_arg = 1},
105 [GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1},
106 [GELIC_EURUS_CMD_GET_WEP_CFG] = { .post_arg = 1},
107 [GELIC_EURUS_CMD_GET_WPA_CFG] = { .post_arg = 1},
108 [GELIC_EURUS_CMD_GET_RSSI_CFG] = { .post_arg = 1},
109 [GELIC_EURUS_CMD_START_SCAN] = { .pre_arg = 1},
110 [GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1},
111 };
112
113 #ifdef DEBUG
114 static const char *cmdstr(enum gelic_eurus_command ix)
115 {
116 switch (ix) {
117 case GELIC_EURUS_CMD_ASSOC:
118 return "ASSOC";
119 case GELIC_EURUS_CMD_DISASSOC:
120 return "DISASSOC";
121 case GELIC_EURUS_CMD_START_SCAN:
122 return "SCAN";
123 case GELIC_EURUS_CMD_GET_SCAN:
124 return "GET SCAN";
125 case GELIC_EURUS_CMD_SET_COMMON_CFG:
126 return "SET_COMMON_CFG";
127 case GELIC_EURUS_CMD_GET_COMMON_CFG:
128 return "GET_COMMON_CFG";
129 case GELIC_EURUS_CMD_SET_WEP_CFG:
130 return "SET_WEP_CFG";
131 case GELIC_EURUS_CMD_GET_WEP_CFG:
132 return "GET_WEP_CFG";
133 case GELIC_EURUS_CMD_SET_WPA_CFG:
134 return "SET_WPA_CFG";
135 case GELIC_EURUS_CMD_GET_WPA_CFG:
136 return "GET_WPA_CFG";
137 case GELIC_EURUS_CMD_GET_RSSI_CFG:
138 return "GET_RSSI";
139 default:
140 break;
141 }
142 return "";
143 };
144 #else
145 static inline const char *cmdstr(enum gelic_eurus_command ix)
146 {
147 return "";
148 }
149 #endif
150
151 /* synchronously do eurus commands */
152 static void gelic_eurus_sync_cmd_worker(struct work_struct *work)
153 {
154 struct gelic_eurus_cmd *cmd;
155 struct gelic_card *card;
156 struct gelic_wl_info *wl;
157
158 u64 arg1, arg2;
159
160 pr_debug("%s: <-\n", __func__);
161 cmd = container_of(work, struct gelic_eurus_cmd, work);
162 BUG_ON(cmd_info[cmd->cmd].pre_arg &&
163 cmd_info[cmd->cmd].post_arg);
164 wl = cmd->wl;
165 card = port_to_card(wl_port(wl));
166
167 if (cmd_info[cmd->cmd].pre_arg) {
168 arg1 = (cmd->buffer) ?
169 ps3_mm_phys_to_lpar(__pa(cmd->buffer)) :
170 0;
171 arg2 = cmd->buf_size;
172 } else {
173 arg1 = 0;
174 arg2 = 0;
175 }
176 init_completion(&wl->cmd_done_intr);
177 pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd));
178 cmd->status = lv1_net_control(bus_id(card), dev_id(card),
179 GELIC_LV1_POST_WLAN_CMD,
180 cmd->cmd, arg1, arg2,
181 &cmd->tag, &cmd->size);
182 if (cmd->status) {
183 complete(&cmd->done);
184 pr_info("%s: cmd issue failed\n", __func__);
185 return;
186 }
187
188 wait_for_completion(&wl->cmd_done_intr);
189
190 if (cmd_info[cmd->cmd].post_arg) {
191 arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer));
192 arg2 = cmd->buf_size;
193 } else {
194 arg1 = 0;
195 arg2 = 0;
196 }
197
198 cmd->status = lv1_net_control(bus_id(card), dev_id(card),
199 GELIC_LV1_GET_WLAN_CMD_RESULT,
200 cmd->tag, arg1, arg2,
201 &cmd->cmd_status, &cmd->size);
202 #ifdef DEBUG
203 if (cmd->status || cmd->cmd_status) {
204 pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__,
205 cmd->tag, arg1, arg2);
206 pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n",
207 __func__, cmd->status, cmd->cmd_status, cmd->size);
208 }
209 #endif
210 complete(&cmd->done);
211 pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd));
212 }
213
214 static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl,
215 unsigned int eurus_cmd,
216 void *buffer,
217 unsigned int buf_size)
218 {
219 struct gelic_eurus_cmd *cmd;
220
221 /* allocate cmd */
222 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
223 if (!cmd)
224 return NULL;
225
226 /* initialize members */
227 cmd->cmd = eurus_cmd;
228 cmd->buffer = buffer;
229 cmd->buf_size = buf_size;
230 cmd->wl = wl;
231 INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker);
232 init_completion(&cmd->done);
233 queue_work(wl->eurus_cmd_queue, &cmd->work);
234
235 /* wait for command completion */
236 wait_for_completion(&cmd->done);
237
238 return cmd;
239 }
240
241 static u32 gelic_wl_get_link(struct net_device *netdev)
242 {
243 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
244 u32 ret;
245
246 pr_debug("%s: <-\n", __func__);
247 mutex_lock(&wl->assoc_stat_lock);
248 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
249 ret = 1;
250 else
251 ret = 0;
252 mutex_unlock(&wl->assoc_stat_lock);
253 pr_debug("%s: ->\n", __func__);
254 return ret;
255 }
256
257 static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid)
258 {
259 union iwreq_data data;
260
261 memset(&data, 0, sizeof(data));
262 if (bssid)
263 memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN);
264 data.ap_addr.sa_family = ARPHRD_ETHER;
265 wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP,
266 &data, NULL);
267 }
268
269 /*
270 * wireless extension handlers and helpers
271 */
272
273 /* SIOGIWNAME */
274 static int gelic_wl_get_name(struct net_device *dev,
275 struct iw_request_info *info,
276 union iwreq_data *iwreq, char *extra)
277 {
278 strcpy(iwreq->name, "IEEE 802.11bg");
279 return 0;
280 }
281
282 static void gelic_wl_get_ch_info(struct gelic_wl_info *wl)
283 {
284 struct gelic_card *card = port_to_card(wl_port(wl));
285 u64 ch_info_raw, tmp;
286 int status;
287
288 if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) {
289 status = lv1_net_control(bus_id(card), dev_id(card),
290 GELIC_LV1_GET_CHANNEL, 0, 0, 0,
291 &ch_info_raw,
292 &tmp);
293 /* some fw versions may return error */
294 if (status) {
295 if (status != LV1_NO_ENTRY)
296 pr_info("%s: available ch unknown\n", __func__);
297 wl->ch_info = 0x07ff;/* 11 ch */
298 } else
299 /* 16 bits of MSB has available channels */
300 wl->ch_info = ch_info_raw >> 48;
301 }
302 return;
303 }
304
305 /* SIOGIWRANGE */
306 static int gelic_wl_get_range(struct net_device *netdev,
307 struct iw_request_info *info,
308 union iwreq_data *iwreq, char *extra)
309 {
310 struct iw_point *point = &iwreq->data;
311 struct iw_range *range = (struct iw_range *)extra;
312 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
313 unsigned int i, chs;
314
315 pr_debug("%s: <-\n", __func__);
316 point->length = sizeof(struct iw_range);
317 memset(range, 0, sizeof(struct iw_range));
318
319 range->we_version_compiled = WIRELESS_EXT;
320 range->we_version_source = 22;
321
322 /* available channels and frequencies */
323 gelic_wl_get_ch_info(wl);
324
325 for (i = 0, chs = 0;
326 i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++)
327 if (wl->ch_info & (1 << i)) {
328 range->freq[chs].i = i + 1;
329 range->freq[chs].m = channel_freq[i];
330 range->freq[chs].e = 6;
331 chs++;
332 }
333 range->num_frequency = chs;
334 range->old_num_frequency = chs;
335 range->num_channels = chs;
336 range->old_num_channels = chs;
337
338 /* bitrates */
339 for (i = 0; i < NUM_BITRATES; i++)
340 range->bitrate[i] = bitrate_list[i];
341 range->num_bitrates = i;
342
343 /* signal levels */
344 range->max_qual.qual = 100; /* relative value */
345 range->max_qual.level = 100;
346 range->avg_qual.qual = 50;
347 range->avg_qual.level = 50;
348 range->sensitivity = 0;
349
350 /* Event capability */
351 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
352 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
353 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
354
355 /* encryption capability */
356 range->enc_capa = IW_ENC_CAPA_WPA |
357 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP |
358 IW_ENC_CAPA_4WAY_HANDSHAKE;
359 if (wpa2_capable())
360 range->enc_capa |= IW_ENC_CAPA_WPA2;
361 range->encoding_size[0] = 5; /* 40bit WEP */
362 range->encoding_size[1] = 13; /* 104bit WEP */
363 range->encoding_size[2] = 32; /* WPA-PSK */
364 range->num_encoding_sizes = 3;
365 range->max_encoding_tokens = GELIC_WEP_KEYS;
366
367 /* scan capability */
368 range->scan_capa = IW_SCAN_CAPA_ESSID;
369
370 pr_debug("%s: ->\n", __func__);
371 return 0;
372
373 }
374
375 /* SIOC{G,S}IWSCAN */
376 static int gelic_wl_set_scan(struct net_device *netdev,
377 struct iw_request_info *info,
378 union iwreq_data *wrqu, char *extra)
379 {
380 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
381 struct iw_scan_req *req;
382 u8 *essid = NULL;
383 size_t essid_len = 0;
384
385 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
386 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
387 req = (struct iw_scan_req*)extra;
388 essid = req->essid;
389 essid_len = req->essid_len;
390 pr_debug("%s: ESSID scan =%s\n", __func__, essid);
391 }
392 return gelic_wl_start_scan(wl, 1, essid, essid_len);
393 }
394
395 #define OUI_LEN 3
396 static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac };
397 static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 };
398
399 /*
400 * synthesize WPA/RSN IE data
401 * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25
402 * for the format
403 */
404 static size_t gelic_wl_synthesize_ie(u8 *buf,
405 struct gelic_eurus_scan_info *scan)
406 {
407
408 const u8 *oui_header;
409 u8 *start = buf;
410 int rsn;
411 int ccmp;
412
413 pr_debug("%s: <- sec=%16x\n", __func__, scan->security);
414 switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) {
415 case GELIC_EURUS_SCAN_SEC_WPA:
416 rsn = 0;
417 break;
418 case GELIC_EURUS_SCAN_SEC_WPA2:
419 rsn = 1;
420 break;
421 default:
422 /* WEP or none. No IE returned */
423 return 0;
424 }
425
426 switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) {
427 case GELIC_EURUS_SCAN_SEC_WPA_TKIP:
428 ccmp = 0;
429 break;
430 case GELIC_EURUS_SCAN_SEC_WPA_AES:
431 ccmp = 1;
432 break;
433 default:
434 if (rsn) {
435 ccmp = 1;
436 pr_info("%s: no cipher info. defaulted to CCMP\n",
437 __func__);
438 } else {
439 ccmp = 0;
440 pr_info("%s: no cipher info. defaulted to TKIP\n",
441 __func__);
442 }
443 }
444
445 if (rsn)
446 oui_header = rsn_oui;
447 else
448 oui_header = wpa_oui;
449
450 /* element id */
451 if (rsn)
452 *buf++ = MFIE_TYPE_RSN;
453 else
454 *buf++ = MFIE_TYPE_GENERIC;
455
456 /* length filed; set later */
457 buf++;
458
459 /* wpa special header */
460 if (!rsn) {
461 memcpy(buf, wpa_oui, OUI_LEN);
462 buf += OUI_LEN;
463 *buf++ = 0x01;
464 }
465
466 /* version */
467 *buf++ = 0x01; /* version 1.0 */
468 *buf++ = 0x00;
469
470 /* group cipher */
471 memcpy(buf, oui_header, OUI_LEN);
472 buf += OUI_LEN;
473
474 if (ccmp)
475 *buf++ = 0x04; /* CCMP */
476 else
477 *buf++ = 0x02; /* TKIP */
478
479 /* pairwise key count always 1 */
480 *buf++ = 0x01;
481 *buf++ = 0x00;
482
483 /* pairwise key suit */
484 memcpy(buf, oui_header, OUI_LEN);
485 buf += OUI_LEN;
486 if (ccmp)
487 *buf++ = 0x04; /* CCMP */
488 else
489 *buf++ = 0x02; /* TKIP */
490
491 /* AKM count is 1 */
492 *buf++ = 0x01;
493 *buf++ = 0x00;
494
495 /* AKM suite is assumed as PSK*/
496 memcpy(buf, oui_header, OUI_LEN);
497 buf += OUI_LEN;
498 *buf++ = 0x02; /* PSK */
499
500 /* RSN capabilities is 0 */
501 *buf++ = 0x00;
502 *buf++ = 0x00;
503
504 /* set length field */
505 start[1] = (buf - start - 2);
506
507 pr_debug("%s: ->\n", __func__);
508 return (buf - start);
509 }
510
511 struct ie_item {
512 u8 *data;
513 u8 len;
514 };
515
516 struct ie_info {
517 struct ie_item wpa;
518 struct ie_item rsn;
519 };
520
521 static void gelic_wl_parse_ie(u8 *data, size_t len,
522 struct ie_info *ie_info)
523 {
524 size_t data_left = len;
525 u8 *pos = data;
526 u8 item_len;
527 u8 item_id;
528
529 pr_debug("%s: data=%p len=%ld \n", __func__,
530 data, len);
531 memset(ie_info, 0, sizeof(struct ie_info));
532
533 while (2 <= data_left) {
534 item_id = *pos++;
535 item_len = *pos++;
536 data_left -= 2;
537
538 if (data_left < item_len)
539 break;
540
541 switch (item_id) {
542 case MFIE_TYPE_GENERIC:
543 if ((OUI_LEN + 1 <= item_len) &&
544 !memcmp(pos, wpa_oui, OUI_LEN) &&
545 pos[OUI_LEN] == 0x01) {
546 ie_info->wpa.data = pos - 2;
547 ie_info->wpa.len = item_len + 2;
548 }
549 break;
550 case MFIE_TYPE_RSN:
551 ie_info->rsn.data = pos - 2;
552 /* length includes the header */
553 ie_info->rsn.len = item_len + 2;
554 break;
555 default:
556 pr_debug("%s: ignore %#x,%d\n", __func__,
557 item_id, item_len);
558 break;
559 }
560 pos += item_len;
561 data_left -= item_len;
562 }
563 pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__,
564 ie_info->wpa.data, ie_info->wpa.len,
565 ie_info->rsn.data, ie_info->rsn.len);
566 }
567
568
569 /*
570 * translate the scan informations from hypervisor to a
571 * independent format
572 */
573 static char *gelic_wl_translate_scan(struct net_device *netdev,
574 char *ev,
575 char *stop,
576 struct gelic_wl_scan_info *network)
577 {
578 struct iw_event iwe;
579 struct gelic_eurus_scan_info *scan = network->hwinfo;
580 char *tmp;
581 u8 rate;
582 unsigned int i, j, len;
583 u8 buf[MAX_WPA_IE_LEN];
584
585 pr_debug("%s: <-\n", __func__);
586
587 /* first entry should be AP's mac address */
588 iwe.cmd = SIOCGIWAP;
589 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
590 memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN);
591 ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_ADDR_LEN);
592
593 /* ESSID */
594 iwe.cmd = SIOCGIWESSID;
595 iwe.u.data.flags = 1;
596 iwe.u.data.length = strnlen(scan->essid, 32);
597 ev = iwe_stream_add_point(ev, stop, &iwe, scan->essid);
598
599 /* FREQUENCY */
600 iwe.cmd = SIOCGIWFREQ;
601 iwe.u.freq.m = be16_to_cpu(scan->channel);
602 iwe.u.freq.e = 0; /* table value in MHz */
603 iwe.u.freq.i = 0;
604 ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_FREQ_LEN);
605
606 /* RATES */
607 iwe.cmd = SIOCGIWRATE;
608 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
609 /* to stuff multiple values in one event */
610 tmp = ev + IW_EV_LCP_LEN;
611 /* put them in ascendant order (older is first) */
612 i = 0;
613 j = 0;
614 pr_debug("%s: rates=%d rate=%d\n", __func__,
615 network->rate_len, network->rate_ext_len);
616 while (i < network->rate_len) {
617 if (j < network->rate_ext_len &&
618 ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f)))
619 rate = scan->ext_rate[j++] & 0x7f;
620 else
621 rate = scan->rate[i++] & 0x7f;
622 iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */
623 tmp = iwe_stream_add_value(ev, tmp, stop, &iwe,
624 IW_EV_PARAM_LEN);
625 }
626 while (j < network->rate_ext_len) {
627 iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000;
628 tmp = iwe_stream_add_value(ev, tmp, stop, &iwe,
629 IW_EV_PARAM_LEN);
630 }
631 /* Check if we added any rate */
632 if (IW_EV_LCP_LEN < (tmp - ev))
633 ev = tmp;
634
635 /* ENCODE */
636 iwe.cmd = SIOCGIWENCODE;
637 if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY)
638 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
639 else
640 iwe.u.data.flags = IW_ENCODE_DISABLED;
641 iwe.u.data.length = 0;
642 ev = iwe_stream_add_point(ev, stop, &iwe, scan->essid);
643
644 /* MODE */
645 iwe.cmd = SIOCGIWMODE;
646 if (be16_to_cpu(scan->capability) &
647 (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
648 if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS)
649 iwe.u.mode = IW_MODE_MASTER;
650 else
651 iwe.u.mode = IW_MODE_ADHOC;
652 ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_UINT_LEN);
653 }
654
655 /* QUAL */
656 iwe.cmd = IWEVQUAL;
657 iwe.u.qual.updated = IW_QUAL_ALL_UPDATED |
658 IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
659 iwe.u.qual.level = be16_to_cpu(scan->rssi);
660 iwe.u.qual.qual = be16_to_cpu(scan->rssi);
661 iwe.u.qual.noise = 0;
662 ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_QUAL_LEN);
663
664 /* RSN */
665 memset(&iwe, 0, sizeof(iwe));
666 if (be16_to_cpu(scan->size) <= sizeof(*scan)) {
667 /* If wpa[2] capable station, synthesize IE and put it */
668 len = gelic_wl_synthesize_ie(buf, scan);
669 if (len) {
670 iwe.cmd = IWEVGENIE;
671 iwe.u.data.length = len;
672 ev = iwe_stream_add_point(ev, stop, &iwe, buf);
673 }
674 } else {
675 /* this scan info has IE data */
676 struct ie_info ie_info;
677 size_t data_len;
678
679 data_len = be16_to_cpu(scan->size) - sizeof(*scan);
680
681 gelic_wl_parse_ie(scan->elements, data_len, &ie_info);
682
683 if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) {
684 memcpy(buf, ie_info.wpa.data, ie_info.wpa.len);
685 iwe.cmd = IWEVGENIE;
686 iwe.u.data.length = ie_info.wpa.len;
687 ev = iwe_stream_add_point(ev, stop, &iwe, buf);
688 }
689
690 if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) {
691 memset(&iwe, 0, sizeof(iwe));
692 memcpy(buf, ie_info.rsn.data, ie_info.rsn.len);
693 iwe.cmd = IWEVGENIE;
694 iwe.u.data.length = ie_info.rsn.len;
695 ev = iwe_stream_add_point(ev, stop, &iwe, buf);
696 }
697 }
698
699 pr_debug("%s: ->\n", __func__);
700 return ev;
701 }
702
703
704 static int gelic_wl_get_scan(struct net_device *netdev,
705 struct iw_request_info *info,
706 union iwreq_data *wrqu, char *extra)
707 {
708 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
709 struct gelic_wl_scan_info *scan_info;
710 char *ev = extra;
711 char *stop = ev + wrqu->data.length;
712 int ret = 0;
713 unsigned long this_time = jiffies;
714
715 pr_debug("%s: <-\n", __func__);
716 if (mutex_lock_interruptible(&wl->scan_lock))
717 return -EAGAIN;
718
719 switch (wl->scan_stat) {
720 case GELIC_WL_SCAN_STAT_SCANNING:
721 /* If a scan in progress, caller should call me again */
722 ret = -EAGAIN;
723 goto out;
724 break;
725
726 case GELIC_WL_SCAN_STAT_INIT:
727 /* last scan request failed or never issued */
728 ret = -ENODEV;
729 goto out;
730 break;
731 case GELIC_WL_SCAN_STAT_GOT_LIST:
732 /* ok, use current list */
733 break;
734 }
735
736 list_for_each_entry(scan_info, &wl->network_list, list) {
737 if (wl->scan_age == 0 ||
738 time_after(scan_info->last_scanned + wl->scan_age,
739 this_time))
740 ev = gelic_wl_translate_scan(netdev, ev, stop,
741 scan_info);
742 else
743 pr_debug("%s:entry too old\n", __func__);
744
745 if (stop - ev <= IW_EV_ADDR_LEN) {
746 ret = -E2BIG;
747 goto out;
748 }
749 }
750
751 wrqu->data.length = ev - extra;
752 wrqu->data.flags = 0;
753 out:
754 mutex_unlock(&wl->scan_lock);
755 pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length);
756 return ret;
757 }
758
759 #ifdef DEBUG
760 static void scan_list_dump(struct gelic_wl_info *wl)
761 {
762 struct gelic_wl_scan_info *scan_info;
763 int i;
764 DECLARE_MAC_BUF(mac);
765
766 i = 0;
767 list_for_each_entry(scan_info, &wl->network_list, list) {
768 pr_debug("%s: item %d\n", __func__, i++);
769 pr_debug("valid=%d eurusindex=%d last=%lx\n",
770 scan_info->valid, scan_info->eurus_index,
771 scan_info->last_scanned);
772 pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n",
773 scan_info->rate_len, scan_info->rate_ext_len,
774 scan_info->essid_len);
775 /* -- */
776 pr_debug("bssid=%s\n",
777 print_mac(mac, &scan_info->hwinfo->bssid[2]));
778 pr_debug("essid=%s\n", scan_info->hwinfo->essid);
779 }
780 }
781 #endif
782
783 static int gelic_wl_set_auth(struct net_device *netdev,
784 struct iw_request_info *info,
785 union iwreq_data *data, char *extra)
786 {
787 struct iw_param *param = &data->param;
788 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
789 unsigned long irqflag;
790 int ret = 0;
791
792 pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
793 spin_lock_irqsave(&wl->lock, irqflag);
794 switch (param->flags & IW_AUTH_INDEX) {
795 case IW_AUTH_WPA_VERSION:
796 if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
797 pr_debug("%s: NO WPA selected\n", __func__);
798 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
799 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
800 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
801 }
802 if (param->value & IW_AUTH_WPA_VERSION_WPA) {
803 pr_debug("%s: WPA version 1 selected\n", __func__);
804 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
805 wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
806 wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
807 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
808 }
809 if (param->value & IW_AUTH_WPA_VERSION_WPA2) {
810 /*
811 * As the hypervisor may not tell the cipher
812 * information of the AP if it is WPA2,
813 * you will not decide suitable cipher from
814 * its beacon.
815 * You should have knowledge about the AP's
816 * cipher infomation in other method prior to
817 * the association.
818 */
819 if (!precise_ie())
820 pr_info("%s: WPA2 may not work\n", __func__);
821 if (wpa2_capable()) {
822 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2;
823 wl->group_cipher_method = GELIC_WL_CIPHER_AES;
824 wl->pairwise_cipher_method =
825 GELIC_WL_CIPHER_AES;
826 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
827 } else
828 ret = -EINVAL;
829 }
830 break;
831
832 case IW_AUTH_CIPHER_PAIRWISE:
833 if (param->value &
834 (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
835 pr_debug("%s: WEP selected\n", __func__);
836 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
837 }
838 if (param->value & IW_AUTH_CIPHER_TKIP) {
839 pr_debug("%s: TKIP selected\n", __func__);
840 wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
841 }
842 if (param->value & IW_AUTH_CIPHER_CCMP) {
843 pr_debug("%s: CCMP selected\n", __func__);
844 wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES;
845 }
846 if (param->value & IW_AUTH_CIPHER_NONE) {
847 pr_debug("%s: no auth selected\n", __func__);
848 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
849 }
850 break;
851 case IW_AUTH_CIPHER_GROUP:
852 if (param->value &
853 (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
854 pr_debug("%s: WEP selected\n", __func__);
855 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
856 }
857 if (param->value & IW_AUTH_CIPHER_TKIP) {
858 pr_debug("%s: TKIP selected\n", __func__);
859 wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
860 }
861 if (param->value & IW_AUTH_CIPHER_CCMP) {
862 pr_debug("%s: CCMP selected\n", __func__);
863 wl->group_cipher_method = GELIC_WL_CIPHER_AES;
864 }
865 if (param->value & IW_AUTH_CIPHER_NONE) {
866 pr_debug("%s: no auth selected\n", __func__);
867 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
868 }
869 break;
870 case IW_AUTH_80211_AUTH_ALG:
871 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
872 pr_debug("%s: shared key specified\n", __func__);
873 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
874 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
875 pr_debug("%s: open system specified\n", __func__);
876 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
877 } else
878 ret = -EINVAL;
879 break;
880
881 case IW_AUTH_WPA_ENABLED:
882 if (param->value) {
883 pr_debug("%s: WPA enabled\n", __func__);
884 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
885 } else {
886 pr_debug("%s: WPA disabled\n", __func__);
887 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
888 }
889 break;
890
891 case IW_AUTH_KEY_MGMT:
892 if (param->value & IW_AUTH_KEY_MGMT_PSK)
893 break;
894 /* intentionally fall through */
895 default:
896 ret = -EOPNOTSUPP;
897 break;
898 };
899
900 if (!ret)
901 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
902
903 spin_unlock_irqrestore(&wl->lock, irqflag);
904 pr_debug("%s: -> %d\n", __func__, ret);
905 return ret;
906 }
907
908 static int gelic_wl_get_auth(struct net_device *netdev,
909 struct iw_request_info *info,
910 union iwreq_data *iwreq, char *extra)
911 {
912 struct iw_param *param = &iwreq->param;
913 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
914 unsigned long irqflag;
915 int ret = 0;
916
917 pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
918 spin_lock_irqsave(&wl->lock, irqflag);
919 switch (param->flags & IW_AUTH_INDEX) {
920 case IW_AUTH_WPA_VERSION:
921 switch (wl->wpa_level) {
922 case GELIC_WL_WPA_LEVEL_WPA:
923 param->value |= IW_AUTH_WPA_VERSION_WPA;
924 break;
925 case GELIC_WL_WPA_LEVEL_WPA2:
926 param->value |= IW_AUTH_WPA_VERSION_WPA2;
927 break;
928 default:
929 param->value |= IW_AUTH_WPA_VERSION_DISABLED;
930 }
931 break;
932
933 case IW_AUTH_80211_AUTH_ALG:
934 if (wl->auth_method == GELIC_EURUS_AUTH_SHARED)
935 param->value = IW_AUTH_ALG_SHARED_KEY;
936 else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN)
937 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
938 break;
939
940 case IW_AUTH_WPA_ENABLED:
941 switch (wl->wpa_level) {
942 case GELIC_WL_WPA_LEVEL_WPA:
943 case GELIC_WL_WPA_LEVEL_WPA2:
944 param->value = 1;
945 break;
946 default:
947 param->value = 0;
948 break;
949 }
950 break;
951 default:
952 ret = -EOPNOTSUPP;
953 }
954
955 spin_unlock_irqrestore(&wl->lock, irqflag);
956 pr_debug("%s: -> %d\n", __func__, ret);
957 return ret;
958 }
959
960 /* SIOC{S,G}IWESSID */
961 static int gelic_wl_set_essid(struct net_device *netdev,
962 struct iw_request_info *info,
963 union iwreq_data *data, char *extra)
964 {
965 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
966 unsigned long irqflag;
967
968 pr_debug("%s: <- l=%d f=%d\n", __func__,
969 data->essid.length, data->essid.flags);
970 if (IW_ESSID_MAX_SIZE < data->essid.length)
971 return -EINVAL;
972
973 spin_lock_irqsave(&wl->lock, irqflag);
974 if (data->essid.flags) {
975 wl->essid_len = data->essid.length;
976 memcpy(wl->essid, extra, wl->essid_len);
977 pr_debug("%s: essid = '%s'\n", __func__, extra);
978 set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
979 } else {
980 pr_debug("%s: ESSID any \n", __func__);
981 clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
982 }
983 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
984 spin_unlock_irqrestore(&wl->lock, irqflag);
985
986
987 gelic_wl_try_associate(netdev); /* FIXME */
988 pr_debug("%s: -> \n", __func__);
989 return 0;
990 }
991
992 static int gelic_wl_get_essid(struct net_device *netdev,
993 struct iw_request_info *info,
994 union iwreq_data *data, char *extra)
995 {
996 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
997 unsigned long irqflag;
998
999 pr_debug("%s: <- \n", __func__);
1000 mutex_lock(&wl->assoc_stat_lock);
1001 spin_lock_irqsave(&wl->lock, irqflag);
1002 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) ||
1003 wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1004 memcpy(extra, wl->essid, wl->essid_len);
1005 data->essid.length = wl->essid_len;
1006 data->essid.flags = 1;
1007 } else
1008 data->essid.flags = 0;
1009
1010 mutex_unlock(&wl->assoc_stat_lock);
1011 spin_unlock_irqrestore(&wl->lock, irqflag);
1012 pr_debug("%s: -> len=%d \n", __func__, data->essid.length);
1013
1014 return 0;
1015 }
1016
1017 /* SIO{S,G}IWENCODE */
1018 static int gelic_wl_set_encode(struct net_device *netdev,
1019 struct iw_request_info *info,
1020 union iwreq_data *data, char *extra)
1021 {
1022 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1023 struct iw_point *enc = &data->encoding;
1024 __u16 flags;
1025 unsigned int irqflag;
1026 int key_index, index_specified;
1027 int ret = 0;
1028
1029 pr_debug("%s: <- \n", __func__);
1030 flags = enc->flags & IW_ENCODE_FLAGS;
1031 key_index = enc->flags & IW_ENCODE_INDEX;
1032
1033 pr_debug("%s: key_index = %d\n", __func__, key_index);
1034 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1035 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1036
1037 if (GELIC_WEP_KEYS < key_index)
1038 return -EINVAL;
1039
1040 spin_lock_irqsave(&wl->lock, irqflag);
1041 if (key_index) {
1042 index_specified = 1;
1043 key_index--;
1044 } else {
1045 index_specified = 0;
1046 key_index = wl->current_key;
1047 }
1048
1049 if (flags & IW_ENCODE_NOKEY) {
1050 /* if just IW_ENCODE_NOKEY, change current key index */
1051 if (!flags && index_specified) {
1052 wl->current_key = key_index;
1053 goto done;
1054 }
1055
1056 if (flags & IW_ENCODE_DISABLED) {
1057 if (!index_specified) {
1058 /* disable encryption */
1059 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1060 wl->pairwise_cipher_method =
1061 GELIC_WL_CIPHER_NONE;
1062 /* invalidate all key */
1063 wl->key_enabled = 0;
1064 } else
1065 clear_bit(key_index, &wl->key_enabled);
1066 }
1067
1068 if (flags & IW_ENCODE_OPEN)
1069 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1070 if (flags & IW_ENCODE_RESTRICTED) {
1071 pr_info("%s: shared key mode enabled\n", __func__);
1072 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1073 }
1074 } else {
1075 if (IW_ENCODING_TOKEN_MAX < enc->length) {
1076 ret = -EINVAL;
1077 goto done;
1078 }
1079 wl->key_len[key_index] = enc->length;
1080 memcpy(wl->key[key_index], extra, enc->length);
1081 set_bit(key_index, &wl->key_enabled);
1082 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
1083 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
1084 }
1085 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1086 done:
1087 spin_unlock_irqrestore(&wl->lock, irqflag);
1088 pr_debug("%s: -> \n", __func__);
1089 return ret;
1090 }
1091
1092 static int gelic_wl_get_encode(struct net_device *netdev,
1093 struct iw_request_info *info,
1094 union iwreq_data *data, char *extra)
1095 {
1096 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1097 struct iw_point *enc = &data->encoding;
1098 unsigned int irqflag;
1099 unsigned int key_index, index_specified;
1100 int ret = 0;
1101
1102 pr_debug("%s: <- \n", __func__);
1103 key_index = enc->flags & IW_ENCODE_INDEX;
1104 pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__,
1105 enc->flags, enc->pointer, enc->length, extra);
1106 if (GELIC_WEP_KEYS < key_index)
1107 return -EINVAL;
1108
1109 spin_lock_irqsave(&wl->lock, irqflag);
1110 if (key_index) {
1111 index_specified = 1;
1112 key_index--;
1113 } else {
1114 index_specified = 0;
1115 key_index = wl->current_key;
1116 }
1117
1118 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1119 switch (wl->auth_method) {
1120 case GELIC_EURUS_AUTH_OPEN:
1121 enc->flags = IW_ENCODE_OPEN;
1122 break;
1123 case GELIC_EURUS_AUTH_SHARED:
1124 enc->flags = IW_ENCODE_RESTRICTED;
1125 break;
1126 }
1127 } else
1128 enc->flags = IW_ENCODE_DISABLED;
1129
1130 if (test_bit(key_index, &wl->key_enabled)) {
1131 if (enc->length < wl->key_len[key_index]) {
1132 ret = -EINVAL;
1133 goto done;
1134 }
1135 enc->length = wl->key_len[key_index];
1136 memcpy(extra, wl->key[key_index], wl->key_len[key_index]);
1137 } else {
1138 enc->length = 0;
1139 enc->flags |= IW_ENCODE_NOKEY;
1140 }
1141 enc->flags |= key_index + 1;
1142 pr_debug("%s: -> flag=%x len=%d\n", __func__,
1143 enc->flags, enc->length);
1144
1145 done:
1146 spin_unlock_irqrestore(&wl->lock, irqflag);
1147 return ret;
1148 }
1149
1150 /* SIOC{S,G}IWAP */
1151 static int gelic_wl_set_ap(struct net_device *netdev,
1152 struct iw_request_info *info,
1153 union iwreq_data *data, char *extra)
1154 {
1155 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1156 unsigned long irqflag;
1157
1158 pr_debug("%s: <-\n", __func__);
1159 if (data->ap_addr.sa_family != ARPHRD_ETHER)
1160 return -EINVAL;
1161
1162 spin_lock_irqsave(&wl->lock, irqflag);
1163 if (is_valid_ether_addr(data->ap_addr.sa_data)) {
1164 memcpy(wl->bssid, data->ap_addr.sa_data,
1165 ETH_ALEN);
1166 set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1167 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1168 pr_debug("%s: bss=%02x:%02x:%02x:%02x:%02x:%02x\n",
1169 __func__,
1170 wl->bssid[0], wl->bssid[1],
1171 wl->bssid[2], wl->bssid[3],
1172 wl->bssid[4], wl->bssid[5]);
1173 } else {
1174 pr_debug("%s: clear bssid\n", __func__);
1175 clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1176 memset(wl->bssid, 0, ETH_ALEN);
1177 }
1178 spin_unlock_irqrestore(&wl->lock, irqflag);
1179 pr_debug("%s: ->\n", __func__);
1180 return 0;
1181 }
1182
1183 static int gelic_wl_get_ap(struct net_device *netdev,
1184 struct iw_request_info *info,
1185 union iwreq_data *data, char *extra)
1186 {
1187 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1188 unsigned long irqflag;
1189
1190 pr_debug("%s: <-\n", __func__);
1191 mutex_lock(&wl->assoc_stat_lock);
1192 spin_lock_irqsave(&wl->lock, irqflag);
1193 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1194 data->ap_addr.sa_family = ARPHRD_ETHER;
1195 memcpy(data->ap_addr.sa_data, wl->active_bssid,
1196 ETH_ALEN);
1197 } else
1198 memset(data->ap_addr.sa_data, 0, ETH_ALEN);
1199
1200 spin_unlock_irqrestore(&wl->lock, irqflag);
1201 mutex_unlock(&wl->assoc_stat_lock);
1202 pr_debug("%s: ->\n", __func__);
1203 return 0;
1204 }
1205
1206 /* SIOC{S,G}IWENCODEEXT */
1207 static int gelic_wl_set_encodeext(struct net_device *netdev,
1208 struct iw_request_info *info,
1209 union iwreq_data *data, char *extra)
1210 {
1211 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1212 struct iw_point *enc = &data->encoding;
1213 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1214 __u16 alg;
1215 __u16 flags;
1216 unsigned int irqflag;
1217 int key_index;
1218 int ret = 0;
1219
1220 pr_debug("%s: <- \n", __func__);
1221 flags = enc->flags & IW_ENCODE_FLAGS;
1222 alg = ext->alg;
1223 key_index = enc->flags & IW_ENCODE_INDEX;
1224
1225 pr_debug("%s: key_index = %d\n", __func__, key_index);
1226 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1227 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1228 pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags);
1229 pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len);
1230
1231 if (GELIC_WEP_KEYS < key_index)
1232 return -EINVAL;
1233
1234 spin_lock_irqsave(&wl->lock, irqflag);
1235 if (key_index)
1236 key_index--;
1237 else
1238 key_index = wl->current_key;
1239
1240 if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) {
1241 /* reques to change default key index */
1242 pr_debug("%s: request to change default key to %d\n",
1243 __func__, key_index);
1244 wl->current_key = key_index;
1245 goto done;
1246 }
1247
1248 if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) {
1249 pr_debug("%s: alg disabled\n", __func__);
1250 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
1251 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1252 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
1253 wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */
1254 } else if (alg == IW_ENCODE_ALG_WEP) {
1255 pr_debug("%s: WEP requested\n", __func__);
1256 if (flags & IW_ENCODE_OPEN) {
1257 pr_debug("%s: open key mode\n", __func__);
1258 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1259 }
1260 if (flags & IW_ENCODE_RESTRICTED) {
1261 pr_debug("%s: shared key mode\n", __func__);
1262 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1263 }
1264 if (IW_ENCODING_TOKEN_MAX < ext->key_len) {
1265 pr_info("%s: key is too long %d\n", __func__,
1266 ext->key_len);
1267 ret = -EINVAL;
1268 goto done;
1269 }
1270 /* OK, update the key */
1271 wl->key_len[key_index] = ext->key_len;
1272 memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX);
1273 memcpy(wl->key[key_index], ext->key, ext->key_len);
1274 set_bit(key_index, &wl->key_enabled);
1275 /* remember wep info changed */
1276 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1277 } else if (alg == IW_ENCODE_ALG_PMK) {
1278 if (ext->key_len != WPA_PSK_LEN) {
1279 pr_err("%s: PSK length wrong %d\n", __func__,
1280 ext->key_len);
1281 ret = -EINVAL;
1282 goto done;
1283 }
1284 memset(wl->psk, 0, sizeof(wl->psk));
1285 memcpy(wl->psk, ext->key, ext->key_len);
1286 wl->psk_len = ext->key_len;
1287 wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
1288 /* remember PSK configured */
1289 set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
1290 }
1291 done:
1292 spin_unlock_irqrestore(&wl->lock, irqflag);
1293 pr_debug("%s: -> \n", __func__);
1294 return ret;
1295 }
1296
1297 static int gelic_wl_get_encodeext(struct net_device *netdev,
1298 struct iw_request_info *info,
1299 union iwreq_data *data, char *extra)
1300 {
1301 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1302 struct iw_point *enc = &data->encoding;
1303 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1304 unsigned int irqflag;
1305 int key_index;
1306 int ret = 0;
1307 int max_key_len;
1308
1309 pr_debug("%s: <- \n", __func__);
1310
1311 max_key_len = enc->length - sizeof(struct iw_encode_ext);
1312 if (max_key_len < 0)
1313 return -EINVAL;
1314 key_index = enc->flags & IW_ENCODE_INDEX;
1315
1316 pr_debug("%s: key_index = %d\n", __func__, key_index);
1317 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1318 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1319
1320 if (GELIC_WEP_KEYS < key_index)
1321 return -EINVAL;
1322
1323 spin_lock_irqsave(&wl->lock, irqflag);
1324 if (key_index)
1325 key_index--;
1326 else
1327 key_index = wl->current_key;
1328
1329 memset(ext, 0, sizeof(struct iw_encode_ext));
1330 switch (wl->group_cipher_method) {
1331 case GELIC_WL_CIPHER_WEP:
1332 ext->alg = IW_ENCODE_ALG_WEP;
1333 enc->flags |= IW_ENCODE_ENABLED;
1334 break;
1335 case GELIC_WL_CIPHER_TKIP:
1336 ext->alg = IW_ENCODE_ALG_TKIP;
1337 enc->flags |= IW_ENCODE_ENABLED;
1338 break;
1339 case GELIC_WL_CIPHER_AES:
1340 ext->alg = IW_ENCODE_ALG_CCMP;
1341 enc->flags |= IW_ENCODE_ENABLED;
1342 break;
1343 case GELIC_WL_CIPHER_NONE:
1344 default:
1345 ext->alg = IW_ENCODE_ALG_NONE;
1346 enc->flags |= IW_ENCODE_NOKEY;
1347 break;
1348 }
1349
1350 if (!(enc->flags & IW_ENCODE_NOKEY)) {
1351 if (max_key_len < wl->key_len[key_index]) {
1352 ret = -E2BIG;
1353 goto out;
1354 }
1355 if (test_bit(key_index, &wl->key_enabled))
1356 memcpy(ext->key, wl->key[key_index],
1357 wl->key_len[key_index]);
1358 else
1359 pr_debug("%s: disabled key requested ix=%d\n",
1360 __func__, key_index);
1361 }
1362 out:
1363 spin_unlock_irqrestore(&wl->lock, irqflag);
1364 pr_debug("%s: -> \n", __func__);
1365 return ret;
1366 }
1367 /* SIOC{S,G}IWMODE */
1368 static int gelic_wl_set_mode(struct net_device *netdev,
1369 struct iw_request_info *info,
1370 union iwreq_data *data, char *extra)
1371 {
1372 __u32 mode = data->mode;
1373 int ret;
1374
1375 pr_debug("%s: <- \n", __func__);
1376 if (mode == IW_MODE_INFRA)
1377 ret = 0;
1378 else
1379 ret = -EOPNOTSUPP;
1380 pr_debug("%s: -> %d\n", __func__, ret);
1381 return ret;
1382 }
1383
1384 static int gelic_wl_get_mode(struct net_device *netdev,
1385 struct iw_request_info *info,
1386 union iwreq_data *data, char *extra)
1387 {
1388 __u32 *mode = &data->mode;
1389 pr_debug("%s: <- \n", __func__);
1390 *mode = IW_MODE_INFRA;
1391 pr_debug("%s: ->\n", __func__);
1392 return 0;
1393 }
1394
1395 #ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE
1396 /* SIOCIWFIRSTPRIV */
1397 static int hex2bin(u8 *str, u8 *bin, unsigned int len)
1398 {
1399 unsigned int i;
1400 static unsigned char *hex = "0123456789ABCDEF";
1401 unsigned char *p, *q;
1402 u8 tmp;
1403
1404 if (len != WPA_PSK_LEN * 2)
1405 return -EINVAL;
1406
1407 for (i = 0; i < WPA_PSK_LEN * 2; i += 2) {
1408 p = strchr(hex, toupper(str[i]));
1409 q = strchr(hex, toupper(str[i + 1]));
1410 if (!p || !q) {
1411 pr_info("%s: unconvertible PSK digit=%d\n",
1412 __func__, i);
1413 return -EINVAL;
1414 }
1415 tmp = ((p - hex) << 4) + (q - hex);
1416 *bin++ = tmp;
1417 }
1418 return 0;
1419 };
1420
1421 static int gelic_wl_priv_set_psk(struct net_device *net_dev,
1422 struct iw_request_info *info,
1423 union iwreq_data *data, char *extra)
1424 {
1425 struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev));
1426 unsigned int len;
1427 unsigned int irqflag;
1428 int ret = 0;
1429
1430 pr_debug("%s:<- len=%d\n", __func__, data->data.length);
1431 len = data->data.length - 1;
1432 if (len <= 2)
1433 return -EINVAL;
1434
1435 spin_lock_irqsave(&wl->lock, irqflag);
1436 if (extra[0] == '"' && extra[len - 1] == '"') {
1437 pr_debug("%s: passphrase mode\n", __func__);
1438 /* pass phrase */
1439 if (GELIC_WL_EURUS_PSK_MAX_LEN < (len - 2)) {
1440 pr_info("%s: passphrase too long\n", __func__);
1441 ret = -E2BIG;
1442 goto out;
1443 }
1444 memset(wl->psk, 0, sizeof(wl->psk));
1445 wl->psk_len = len - 2;
1446 memcpy(wl->psk, &(extra[1]), wl->psk_len);
1447 wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
1448 } else {
1449 ret = hex2bin(extra, wl->psk, len);
1450 if (ret)
1451 goto out;
1452 wl->psk_len = WPA_PSK_LEN;
1453 wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
1454 }
1455 set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
1456 out:
1457 spin_unlock_irqrestore(&wl->lock, irqflag);
1458 pr_debug("%s:->\n", __func__);
1459 return ret;
1460 }
1461
1462 static int gelic_wl_priv_get_psk(struct net_device *net_dev,
1463 struct iw_request_info *info,
1464 union iwreq_data *data, char *extra)
1465 {
1466 struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev));
1467 char *p;
1468 unsigned int irqflag;
1469 unsigned int i;
1470
1471 pr_debug("%s:<-\n", __func__);
1472 if (!capable(CAP_NET_ADMIN))
1473 return -EPERM;
1474
1475 spin_lock_irqsave(&wl->lock, irqflag);
1476 p = extra;
1477 if (test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) {
1478 if (wl->psk_type == GELIC_EURUS_WPA_PSK_BIN) {
1479 for (i = 0; i < wl->psk_len; i++) {
1480 sprintf(p, "%02xu", wl->psk[i]);
1481 p += 2;
1482 }
1483 *p = '\0';
1484 data->data.length = wl->psk_len * 2;
1485 } else {
1486 *p++ = '"';
1487 memcpy(p, wl->psk, wl->psk_len);
1488 p += wl->psk_len;
1489 *p++ = '"';
1490 *p = '\0';
1491 data->data.length = wl->psk_len + 2;
1492 }
1493 } else
1494 /* no psk set */
1495 data->data.length = 0;
1496 spin_unlock_irqrestore(&wl->lock, irqflag);
1497 pr_debug("%s:-> %d\n", __func__, data->data.length);
1498 return 0;
1499 }
1500 #endif
1501
1502 /* SIOCGIWNICKN */
1503 static int gelic_wl_get_nick(struct net_device *net_dev,
1504 struct iw_request_info *info,
1505 union iwreq_data *data, char *extra)
1506 {
1507 strcpy(extra, "gelic_wl");
1508 data->data.length = strlen(extra);
1509 data->data.flags = 1;
1510 return 0;
1511 }
1512
1513
1514 /* --- */
1515
1516 static struct iw_statistics *gelic_wl_get_wireless_stats(
1517 struct net_device *netdev)
1518 {
1519
1520 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1521 struct gelic_eurus_cmd *cmd;
1522 struct iw_statistics *is;
1523 struct gelic_eurus_rssi_info *rssi;
1524 void *buf;
1525
1526 pr_debug("%s: <-\n", __func__);
1527
1528 buf = (void *)__get_free_page(GFP_KERNEL);
1529 if (!buf)
1530 return NULL;
1531
1532 is = &wl->iwstat;
1533 memset(is, 0, sizeof(*is));
1534 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG,
1535 buf, sizeof(*rssi));
1536 if (cmd && !cmd->status && !cmd->cmd_status) {
1537 rssi = buf;
1538 is->qual.level = be16_to_cpu(rssi->rssi);
1539 is->qual.updated = IW_QUAL_LEVEL_UPDATED |
1540 IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
1541 } else
1542 /* not associated */
1543 is->qual.updated = IW_QUAL_ALL_INVALID;
1544
1545 kfree(cmd);
1546 free_page((unsigned long)buf);
1547 pr_debug("%s: ->\n", __func__);
1548 return is;
1549 }
1550
1551 /*
1552 * scanning helpers
1553 */
1554 static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
1555 u8 *essid, size_t essid_len)
1556 {
1557 struct gelic_eurus_cmd *cmd;
1558 int ret = 0;
1559 void *buf = NULL;
1560 size_t len;
1561
1562 pr_debug("%s: <- always=%d\n", __func__, always_scan);
1563 if (mutex_lock_interruptible(&wl->scan_lock))
1564 return -ERESTARTSYS;
1565
1566 /*
1567 * If already a scan in progress, do not trigger more
1568 */
1569 if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) {
1570 pr_debug("%s: scanning now\n", __func__);
1571 goto out;
1572 }
1573
1574 init_completion(&wl->scan_done);
1575 /*
1576 * If we have already a bss list, don't try to get new
1577 */
1578 if (!always_scan && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) {
1579 pr_debug("%s: already has the list\n", __func__);
1580 complete(&wl->scan_done);
1581 goto out;
1582 }
1583
1584 /* ESSID scan ? */
1585 if (essid_len && essid) {
1586 buf = (void *)__get_free_page(GFP_KERNEL);
1587 if (!buf) {
1588 ret = -ENOMEM;
1589 goto out;
1590 }
1591 len = IW_ESSID_MAX_SIZE; /* hypervisor always requires 32 */
1592 memset(buf, 0, len);
1593 memcpy(buf, essid, essid_len);
1594 pr_debug("%s: essid scan='%s'\n", __func__, (char *)buf);
1595 } else
1596 len = 0;
1597
1598 /*
1599 * issue start scan request
1600 */
1601 wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING;
1602 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN,
1603 buf, len);
1604 if (!cmd || cmd->status || cmd->cmd_status) {
1605 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1606 complete(&wl->scan_done);
1607 ret = -ENOMEM;
1608 goto out;
1609 }
1610 kfree(cmd);
1611 out:
1612 free_page((unsigned long)buf);
1613 mutex_unlock(&wl->scan_lock);
1614 pr_debug("%s: ->\n", __func__);
1615 return ret;
1616 }
1617
1618 /*
1619 * retrieve scan result from the chip (hypervisor)
1620 * this function is invoked by schedule work.
1621 */
1622 static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
1623 {
1624 struct gelic_eurus_cmd *cmd = NULL;
1625 struct gelic_wl_scan_info *target, *tmp;
1626 struct gelic_wl_scan_info *oldest = NULL;
1627 struct gelic_eurus_scan_info *scan_info;
1628 unsigned int scan_info_size;
1629 union iwreq_data data;
1630 unsigned long this_time = jiffies;
1631 unsigned int data_len, i, found, r;
1632 void *buf;
1633 DECLARE_MAC_BUF(mac);
1634
1635 pr_debug("%s:start\n", __func__);
1636 mutex_lock(&wl->scan_lock);
1637
1638 buf = (void *)__get_free_page(GFP_KERNEL);
1639 if (!buf) {
1640 pr_info("%s: scan buffer alloc failed\n", __func__);
1641 goto out;
1642 }
1643
1644 if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
1645 /*
1646 * stop() may be called while scanning, ignore result
1647 */
1648 pr_debug("%s: scan complete when stat != scanning(%d)\n",
1649 __func__, wl->scan_stat);
1650 goto out;
1651 }
1652
1653 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN,
1654 buf, PAGE_SIZE);
1655 if (!cmd || cmd->status || cmd->cmd_status) {
1656 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1657 pr_info("%s:cmd failed\n", __func__);
1658 kfree(cmd);
1659 goto out;
1660 }
1661 data_len = cmd->size;
1662 pr_debug("%s: data_len = %d\n", __func__, data_len);
1663 kfree(cmd);
1664
1665 /* OK, bss list retrieved */
1666 wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST;
1667
1668 /* mark all entries are old */
1669 list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
1670 target->valid = 0;
1671 /* expire too old entries */
1672 if (time_before(target->last_scanned + wl->scan_age,
1673 this_time)) {
1674 kfree(target->hwinfo);
1675 target->hwinfo = NULL;
1676 list_move_tail(&target->list, &wl->network_free_list);
1677 }
1678 }
1679
1680 /* put them in the newtork_list */
1681 for (i = 0, scan_info_size = 0, scan_info = buf;
1682 scan_info_size < data_len;
1683 i++, scan_info_size += be16_to_cpu(scan_info->size),
1684 scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) {
1685 pr_debug("%s:size=%d bssid=%s scan_info=%p\n", __func__,
1686 be16_to_cpu(scan_info->size),
1687 print_mac(mac, &scan_info->bssid[2]), scan_info);
1688
1689 /*
1690 * The wireless firmware may return invalid channel 0 and/or
1691 * invalid rate if the AP emits zero length SSID ie. As this
1692 * scan information is useless, ignore it
1693 */
1694 if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) {
1695 pr_debug("%s: invalid scan info\n", __func__);
1696 continue;
1697 }
1698
1699 found = 0;
1700 oldest = NULL;
1701 list_for_each_entry(target, &wl->network_list, list) {
1702 if (!compare_ether_addr(&target->hwinfo->bssid[2],
1703 &scan_info->bssid[2])) {
1704 found = 1;
1705 pr_debug("%s: same BBS found scanned list\n",
1706 __func__);
1707 break;
1708 }
1709 if (!oldest ||
1710 (target->last_scanned < oldest->last_scanned))
1711 oldest = target;
1712 }
1713
1714 if (!found) {
1715 /* not found in the list */
1716 if (list_empty(&wl->network_free_list)) {
1717 /* expire oldest */
1718 target = oldest;
1719 } else {
1720 target = list_entry(wl->network_free_list.next,
1721 struct gelic_wl_scan_info,
1722 list);
1723 }
1724 }
1725
1726 /* update the item */
1727 target->last_scanned = this_time;
1728 target->valid = 1;
1729 target->eurus_index = i;
1730 kfree(target->hwinfo);
1731 target->hwinfo = kzalloc(be16_to_cpu(scan_info->size),
1732 GFP_KERNEL);
1733 if (!target->hwinfo) {
1734 pr_info("%s: kzalloc failed\n", __func__);
1735 continue;
1736 }
1737 /* copy hw scan info */
1738 memcpy(target->hwinfo, scan_info, scan_info->size);
1739 target->essid_len = strnlen(scan_info->essid,
1740 sizeof(scan_info->essid));
1741 target->rate_len = 0;
1742 for (r = 0; r < MAX_RATES_LENGTH; r++)
1743 if (scan_info->rate[r])
1744 target->rate_len++;
1745 if (8 < target->rate_len)
1746 pr_info("%s: AP returns %d rates\n", __func__,
1747 target->rate_len);
1748 target->rate_ext_len = 0;
1749 for (r = 0; r < MAX_RATES_EX_LENGTH; r++)
1750 if (scan_info->ext_rate[r])
1751 target->rate_ext_len++;
1752 list_move_tail(&target->list, &wl->network_list);
1753 }
1754 memset(&data, 0, sizeof(data));
1755 wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,
1756 NULL);
1757 out:
1758 free_page((unsigned long)buf);
1759 complete(&wl->scan_done);
1760 mutex_unlock(&wl->scan_lock);
1761 pr_debug("%s:end\n", __func__);
1762 }
1763
1764 /*
1765 * Select an appropriate bss from current scan list regarding
1766 * current settings from userspace.
1767 * The caller must hold wl->scan_lock,
1768 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1769 */
1770 static void update_best(struct gelic_wl_scan_info **best,
1771 struct gelic_wl_scan_info *candid,
1772 int *best_weight,
1773 int *weight)
1774 {
1775 if (*best_weight < ++(*weight)) {
1776 *best_weight = *weight;
1777 *best = candid;
1778 }
1779 }
1780
1781 static
1782 struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl)
1783 {
1784 struct gelic_wl_scan_info *scan_info;
1785 struct gelic_wl_scan_info *best_bss;
1786 int weight, best_weight;
1787 u16 security;
1788 DECLARE_MAC_BUF(mac);
1789
1790 pr_debug("%s: <-\n", __func__);
1791
1792 best_bss = NULL;
1793 best_weight = 0;
1794
1795 list_for_each_entry(scan_info, &wl->network_list, list) {
1796 pr_debug("%s: station %p\n", __func__, scan_info);
1797
1798 if (!scan_info->valid) {
1799 pr_debug("%s: station invalid\n", __func__);
1800 continue;
1801 }
1802
1803 /* If bss specified, check it only */
1804 if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) {
1805 if (!compare_ether_addr(&scan_info->hwinfo->bssid[2],
1806 wl->bssid)) {
1807 best_bss = scan_info;
1808 pr_debug("%s: bssid matched\n", __func__);
1809 break;
1810 } else {
1811 pr_debug("%s: bssid unmached\n", __func__);
1812 continue;
1813 }
1814 }
1815
1816 weight = 0;
1817
1818 /* security */
1819 security = be16_to_cpu(scan_info->hwinfo->security) &
1820 GELIC_EURUS_SCAN_SEC_MASK;
1821 if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1822 if (security == GELIC_EURUS_SCAN_SEC_WPA2)
1823 update_best(&best_bss, scan_info,
1824 &best_weight, &weight);
1825 else
1826 continue;
1827 } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) {
1828 if (security == GELIC_EURUS_SCAN_SEC_WPA)
1829 update_best(&best_bss, scan_info,
1830 &best_weight, &weight);
1831 else
1832 continue;
1833 } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE &&
1834 wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1835 if (security == GELIC_EURUS_SCAN_SEC_WEP)
1836 update_best(&best_bss, scan_info,
1837 &best_weight, &weight);
1838 else
1839 continue;
1840 }
1841
1842 /* If ESSID is set, check it */
1843 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
1844 if ((scan_info->essid_len == wl->essid_len) &&
1845 !strncmp(wl->essid,
1846 scan_info->hwinfo->essid,
1847 scan_info->essid_len))
1848 update_best(&best_bss, scan_info,
1849 &best_weight, &weight);
1850 else
1851 continue;
1852 }
1853 }
1854
1855 #ifdef DEBUG
1856 pr_debug("%s: -> bss=%p\n", __func__, best_bss);
1857 if (best_bss) {
1858 pr_debug("%s:addr=%s\n", __func__,
1859 print_mac(mac, &best_bss->hwinfo->bssid[2]));
1860 }
1861 #endif
1862 return best_bss;
1863 }
1864
1865 /*
1866 * Setup WEP configuration to the chip
1867 * The caller must hold wl->scan_lock,
1868 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1869 */
1870 static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
1871 {
1872 unsigned int i;
1873 struct gelic_eurus_wep_cfg *wep;
1874 struct gelic_eurus_cmd *cmd;
1875 int wep104 = 0;
1876 int have_key = 0;
1877 int ret = 0;
1878
1879 pr_debug("%s: <-\n", __func__);
1880 /* we can assume no one should uses the buffer */
1881 wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL);
1882 if (!wep)
1883 return -ENOMEM;
1884
1885 memset(wep, 0, sizeof(*wep));
1886
1887 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1888 pr_debug("%s: WEP mode\n", __func__);
1889 for (i = 0; i < GELIC_WEP_KEYS; i++) {
1890 if (!test_bit(i, &wl->key_enabled))
1891 continue;
1892
1893 pr_debug("%s: key#%d enabled\n", __func__, i);
1894 have_key = 1;
1895 if (wl->key_len[i] == 13)
1896 wep104 = 1;
1897 else if (wl->key_len[i] != 5) {
1898 pr_info("%s: wrong wep key[%d]=%d\n",
1899 __func__, i, wl->key_len[i]);
1900 ret = -EINVAL;
1901 goto out;
1902 }
1903 memcpy(wep->key[i], wl->key[i], wl->key_len[i]);
1904 }
1905
1906 if (!have_key) {
1907 pr_info("%s: all wep key disabled\n", __func__);
1908 ret = -EINVAL;
1909 goto out;
1910 }
1911
1912 if (wep104) {
1913 pr_debug("%s: 104bit key\n", __func__);
1914 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT);
1915 } else {
1916 pr_debug("%s: 40bit key\n", __func__);
1917 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT);
1918 }
1919 } else {
1920 pr_debug("%s: NO encryption\n", __func__);
1921 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE);
1922 }
1923
1924 /* issue wep setup */
1925 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG,
1926 wep, sizeof(*wep));
1927 if (!cmd)
1928 ret = -ENOMEM;
1929 else if (cmd->status || cmd->cmd_status)
1930 ret = -ENXIO;
1931
1932 kfree(cmd);
1933 out:
1934 free_page((unsigned long)wep);
1935 pr_debug("%s: ->\n", __func__);
1936 return ret;
1937 }
1938
1939 #ifdef DEBUG
1940 static const char *wpasecstr(enum gelic_eurus_wpa_security sec)
1941 {
1942 switch (sec) {
1943 case GELIC_EURUS_WPA_SEC_NONE:
1944 return "NONE";
1945 break;
1946 case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP:
1947 return "WPA_TKIP_TKIP";
1948 break;
1949 case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES:
1950 return "WPA_TKIP_AES";
1951 break;
1952 case GELIC_EURUS_WPA_SEC_WPA_AES_AES:
1953 return "WPA_AES_AES";
1954 break;
1955 case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP:
1956 return "WPA2_TKIP_TKIP";
1957 break;
1958 case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES:
1959 return "WPA2_TKIP_AES";
1960 break;
1961 case GELIC_EURUS_WPA_SEC_WPA2_AES_AES:
1962 return "WPA2_AES_AES";
1963 break;
1964 }
1965 return "";
1966 };
1967 #endif
1968
1969 static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
1970 {
1971 struct gelic_eurus_wpa_cfg *wpa;
1972 struct gelic_eurus_cmd *cmd;
1973 u16 security;
1974 int ret = 0;
1975
1976 pr_debug("%s: <-\n", __func__);
1977 /* we can assume no one should uses the buffer */
1978 wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL);
1979 if (!wpa)
1980 return -ENOMEM;
1981
1982 memset(wpa, 0, sizeof(*wpa));
1983
1984 if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat))
1985 pr_info("%s: PSK not configured yet\n", __func__);
1986
1987 /* copy key */
1988 memcpy(wpa->psk, wl->psk, wl->psk_len);
1989
1990 /* set security level */
1991 if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1992 if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1993 security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES;
1994 } else {
1995 if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
1996 precise_ie())
1997 security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES;
1998 else
1999 security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP;
2000 }
2001 } else {
2002 if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
2003 security = GELIC_EURUS_WPA_SEC_WPA_AES_AES;
2004 } else {
2005 if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
2006 precise_ie())
2007 security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES;
2008 else
2009 security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP;
2010 }
2011 }
2012 wpa->security = cpu_to_be16(security);
2013
2014 /* PSK type */
2015 wpa->psk_type = cpu_to_be16(wl->psk_type);
2016 #ifdef DEBUG
2017 pr_debug("%s: sec=%s psktype=%s\nn", __func__,
2018 wpasecstr(wpa->security),
2019 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
2020 "BIN" : "passphrase");
2021 #if 0
2022 /*
2023 * don't enable here if you plan to submit
2024 * the debug log because this dumps your precious
2025 * passphrase/key.
2026 */
2027 pr_debug("%s: psk=%s\n",
2028 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
2029 (char *)"N/A" : (char *)wpa->psk);
2030 #endif
2031 #endif
2032 /* issue wpa setup */
2033 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG,
2034 wpa, sizeof(*wpa));
2035 if (!cmd)
2036 ret = -ENOMEM;
2037 else if (cmd->status || cmd->cmd_status)
2038 ret = -ENXIO;
2039 kfree(cmd);
2040 free_page((unsigned long)wpa);
2041 pr_debug("%s: --> %d\n", __func__, ret);
2042 return ret;
2043 }
2044
2045 /*
2046 * Start association. caller must hold assoc_stat_lock
2047 */
2048 static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
2049 struct gelic_wl_scan_info *bss)
2050 {
2051 struct gelic_eurus_cmd *cmd;
2052 struct gelic_eurus_common_cfg *common;
2053 int ret = 0;
2054 unsigned long rc;
2055
2056 pr_debug("%s: <-\n", __func__);
2057
2058 /* do common config */
2059 common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL);
2060 if (!common)
2061 return -ENOMEM;
2062
2063 memset(common, 0, sizeof(*common));
2064 common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA);
2065 common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG);
2066
2067 common->scan_index = cpu_to_be16(bss->eurus_index);
2068 switch (wl->auth_method) {
2069 case GELIC_EURUS_AUTH_OPEN:
2070 common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN);
2071 break;
2072 case GELIC_EURUS_AUTH_SHARED:
2073 common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED);
2074 break;
2075 }
2076
2077 #ifdef DEBUG
2078 scan_list_dump(wl);
2079 #endif
2080 pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__,
2081 be16_to_cpu(common->scan_index),
2082 be16_to_cpu(common->bss_type),
2083 be16_to_cpu(common->auth_method));
2084
2085 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG,
2086 common, sizeof(*common));
2087 if (!cmd || cmd->status || cmd->cmd_status) {
2088 ret = -ENOMEM;
2089 kfree(cmd);
2090 goto out;
2091 }
2092 kfree(cmd);
2093
2094 /* WEP/WPA */
2095 switch (wl->wpa_level) {
2096 case GELIC_WL_WPA_LEVEL_NONE:
2097 /* If WEP or no security, setup WEP config */
2098 ret = gelic_wl_do_wep_setup(wl);
2099 break;
2100 case GELIC_WL_WPA_LEVEL_WPA:
2101 case GELIC_WL_WPA_LEVEL_WPA2:
2102 ret = gelic_wl_do_wpa_setup(wl);
2103 break;
2104 };
2105
2106 if (ret) {
2107 pr_debug("%s: WEP/WPA setup failed %d\n", __func__,
2108 ret);
2109 }
2110
2111 /* start association */
2112 init_completion(&wl->assoc_done);
2113 wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING;
2114 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC,
2115 NULL, 0);
2116 if (!cmd || cmd->status || cmd->cmd_status) {
2117 pr_debug("%s: assoc request failed\n", __func__);
2118 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2119 kfree(cmd);
2120 ret = -ENOMEM;
2121 gelic_wl_send_iwap_event(wl, NULL);
2122 goto out;
2123 }
2124 kfree(cmd);
2125
2126 /* wait for connected event */
2127 rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/
2128
2129 if (!rc) {
2130 /* timeouted. Maybe key or cyrpt mode is wrong */
2131 pr_info("%s: connect timeout \n", __func__);
2132 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC,
2133 NULL, 0);
2134 kfree(cmd);
2135 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2136 gelic_wl_send_iwap_event(wl, NULL);
2137 ret = -ENXIO;
2138 } else {
2139 wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED;
2140 /* copy bssid */
2141 memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN);
2142
2143 /* send connect event */
2144 gelic_wl_send_iwap_event(wl, wl->active_bssid);
2145 pr_info("%s: connected\n", __func__);
2146 }
2147 out:
2148 free_page((unsigned long)common);
2149 pr_debug("%s: ->\n", __func__);
2150 return ret;
2151 }
2152
2153 /*
2154 * connected event
2155 */
2156 static void gelic_wl_connected_event(struct gelic_wl_info *wl,
2157 u64 event)
2158 {
2159 u64 desired_event = 0;
2160
2161 switch (wl->wpa_level) {
2162 case GELIC_WL_WPA_LEVEL_NONE:
2163 desired_event = GELIC_LV1_WL_EVENT_CONNECTED;
2164 break;
2165 case GELIC_WL_WPA_LEVEL_WPA:
2166 case GELIC_WL_WPA_LEVEL_WPA2:
2167 desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED;
2168 break;
2169 }
2170
2171 if (desired_event == event) {
2172 pr_debug("%s: completed \n", __func__);
2173 complete(&wl->assoc_done);
2174 netif_carrier_on(port_to_netdev(wl_port(wl)));
2175 } else
2176 pr_debug("%s: event %#lx under wpa\n",
2177 __func__, event);
2178 }
2179
2180 /*
2181 * disconnect event
2182 */
2183 static void gelic_wl_disconnect_event(struct gelic_wl_info *wl,
2184 u64 event)
2185 {
2186 struct gelic_eurus_cmd *cmd;
2187 int lock;
2188
2189 /*
2190 * If we fall here in the middle of association,
2191 * associate_bss() should be waiting for complation of
2192 * wl->assoc_done.
2193 * As it waits with timeout, just leave assoc_done
2194 * uncompleted, then it terminates with timeout
2195 */
2196 if (!mutex_trylock(&wl->assoc_stat_lock)) {
2197 pr_debug("%s: already locked\n", __func__);
2198 lock = 0;
2199 } else {
2200 pr_debug("%s: obtain lock\n", __func__);
2201 lock = 1;
2202 }
2203
2204 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2205 kfree(cmd);
2206
2207 /* send disconnected event to the supplicant */
2208 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2209 gelic_wl_send_iwap_event(wl, NULL);
2210
2211 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2212 netif_carrier_off(port_to_netdev(wl_port(wl)));
2213
2214 if (lock)
2215 mutex_unlock(&wl->assoc_stat_lock);
2216 }
2217 /*
2218 * event worker
2219 */
2220 #ifdef DEBUG
2221 static const char *eventstr(enum gelic_lv1_wl_event event)
2222 {
2223 static char buf[32];
2224 char *ret;
2225 if (event & GELIC_LV1_WL_EVENT_DEVICE_READY)
2226 ret = "EURUS_READY";
2227 else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED)
2228 ret = "SCAN_COMPLETED";
2229 else if (event & GELIC_LV1_WL_EVENT_DEAUTH)
2230 ret = "DEAUTH";
2231 else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST)
2232 ret = "BEACON_LOST";
2233 else if (event & GELIC_LV1_WL_EVENT_CONNECTED)
2234 ret = "CONNECTED";
2235 else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED)
2236 ret = "WPA_CONNECTED";
2237 else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR)
2238 ret = "WPA_ERROR";
2239 else {
2240 sprintf(buf, "Unknown(%#x)", event);
2241 ret = buf;
2242 }
2243 return ret;
2244 }
2245 #else
2246 static const char *eventstr(enum gelic_lv1_wl_event event)
2247 {
2248 return NULL;
2249 }
2250 #endif
2251 static void gelic_wl_event_worker(struct work_struct *work)
2252 {
2253 struct gelic_wl_info *wl;
2254 struct gelic_port *port;
2255 u64 event, tmp;
2256 int status;
2257
2258 pr_debug("%s:start\n", __func__);
2259 wl = container_of(work, struct gelic_wl_info, event_work.work);
2260 port = wl_port(wl);
2261 while (1) {
2262 status = lv1_net_control(bus_id(port->card), dev_id(port->card),
2263 GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0,
2264 &event, &tmp);
2265 if (status) {
2266 if (status != LV1_NO_ENTRY)
2267 pr_debug("%s:wlan event failed %d\n",
2268 __func__, status);
2269 /* got all events */
2270 pr_debug("%s:end\n", __func__);
2271 return;
2272 }
2273 pr_debug("%s: event=%s\n", __func__, eventstr(event));
2274 switch (event) {
2275 case GELIC_LV1_WL_EVENT_SCAN_COMPLETED:
2276 gelic_wl_scan_complete_event(wl);
2277 break;
2278 case GELIC_LV1_WL_EVENT_BEACON_LOST:
2279 case GELIC_LV1_WL_EVENT_DEAUTH:
2280 gelic_wl_disconnect_event(wl, event);
2281 break;
2282 case GELIC_LV1_WL_EVENT_CONNECTED:
2283 case GELIC_LV1_WL_EVENT_WPA_CONNECTED:
2284 gelic_wl_connected_event(wl, event);
2285 break;
2286 default:
2287 break;
2288 }
2289 } /* while */
2290 }
2291 /*
2292 * association worker
2293 */
2294 static void gelic_wl_assoc_worker(struct work_struct *work)
2295 {
2296 struct gelic_wl_info *wl;
2297
2298 struct gelic_wl_scan_info *best_bss;
2299 int ret;
2300 unsigned long irqflag;
2301 u8 *essid;
2302 size_t essid_len;
2303
2304 wl = container_of(work, struct gelic_wl_info, assoc_work.work);
2305
2306 mutex_lock(&wl->assoc_stat_lock);
2307
2308 if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN)
2309 goto out;
2310
2311 spin_lock_irqsave(&wl->lock, irqflag);
2312 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
2313 pr_debug("%s: assoc ESSID configured %s\n", __func__,
2314 wl->essid);
2315 essid = wl->essid;
2316 essid_len = wl->essid_len;
2317 } else {
2318 essid = NULL;
2319 essid_len = 0;
2320 }
2321 spin_unlock_irqrestore(&wl->lock, irqflag);
2322
2323 ret = gelic_wl_start_scan(wl, 0, essid, essid_len);
2324 if (ret == -ERESTARTSYS) {
2325 pr_debug("%s: scan start failed association\n", __func__);
2326 schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/
2327 goto out;
2328 } else if (ret) {
2329 pr_info("%s: scan prerequisite failed\n", __func__);
2330 goto out;
2331 }
2332
2333 /*
2334 * Wait for bss scan completion
2335 * If we have scan list already, gelic_wl_start_scan()
2336 * returns OK and raises the complete. Thus,
2337 * it's ok to wait unconditionally here
2338 */
2339 wait_for_completion(&wl->scan_done);
2340
2341 pr_debug("%s: scan done\n", __func__);
2342 mutex_lock(&wl->scan_lock);
2343 if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
2344 gelic_wl_send_iwap_event(wl, NULL);
2345 pr_info("%s: no scan list. association failed\n", __func__);
2346 goto scan_lock_out;
2347 }
2348
2349 /* find best matching bss */
2350 best_bss = gelic_wl_find_best_bss(wl);
2351 if (!best_bss) {
2352 gelic_wl_send_iwap_event(wl, NULL);
2353 pr_info("%s: no bss matched. association failed\n", __func__);
2354 goto scan_lock_out;
2355 }
2356
2357 /* ok, do association */
2358 ret = gelic_wl_associate_bss(wl, best_bss);
2359 if (ret)
2360 pr_info("%s: association failed %d\n", __func__, ret);
2361 scan_lock_out:
2362 mutex_unlock(&wl->scan_lock);
2363 out:
2364 mutex_unlock(&wl->assoc_stat_lock);
2365 }
2366 /*
2367 * Interrupt handler
2368 * Called from the ethernet interrupt handler
2369 * Processes wireless specific virtual interrupts only
2370 */
2371 void gelic_wl_interrupt(struct net_device *netdev, u64 status)
2372 {
2373 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2374
2375 if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) {
2376 pr_debug("%s:cmd complete\n", __func__);
2377 complete(&wl->cmd_done_intr);
2378 }
2379
2380 if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) {
2381 pr_debug("%s:event received\n", __func__);
2382 queue_delayed_work(wl->event_queue, &wl->event_work, 0);
2383 }
2384 }
2385
2386 /*
2387 * driver helpers
2388 */
2389 #define IW_IOCTL(n) [(n) - SIOCSIWCOMMIT]
2390 static const iw_handler gelic_wl_wext_handler[] =
2391 {
2392 IW_IOCTL(SIOCGIWNAME) = gelic_wl_get_name,
2393 IW_IOCTL(SIOCGIWRANGE) = gelic_wl_get_range,
2394 IW_IOCTL(SIOCSIWSCAN) = gelic_wl_set_scan,
2395 IW_IOCTL(SIOCGIWSCAN) = gelic_wl_get_scan,
2396 IW_IOCTL(SIOCSIWAUTH) = gelic_wl_set_auth,
2397 IW_IOCTL(SIOCGIWAUTH) = gelic_wl_get_auth,
2398 IW_IOCTL(SIOCSIWESSID) = gelic_wl_set_essid,
2399 IW_IOCTL(SIOCGIWESSID) = gelic_wl_get_essid,
2400 IW_IOCTL(SIOCSIWENCODE) = gelic_wl_set_encode,
2401 IW_IOCTL(SIOCGIWENCODE) = gelic_wl_get_encode,
2402 IW_IOCTL(SIOCSIWAP) = gelic_wl_set_ap,
2403 IW_IOCTL(SIOCGIWAP) = gelic_wl_get_ap,
2404 IW_IOCTL(SIOCSIWENCODEEXT) = gelic_wl_set_encodeext,
2405 IW_IOCTL(SIOCGIWENCODEEXT) = gelic_wl_get_encodeext,
2406 IW_IOCTL(SIOCSIWMODE) = gelic_wl_set_mode,
2407 IW_IOCTL(SIOCGIWMODE) = gelic_wl_get_mode,
2408 IW_IOCTL(SIOCGIWNICKN) = gelic_wl_get_nick,
2409 };
2410
2411 #ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE
2412 static struct iw_priv_args gelic_wl_private_args[] =
2413 {
2414 {
2415 .cmd = GELIC_WL_PRIV_SET_PSK,
2416 .set_args = IW_PRIV_TYPE_CHAR |
2417 (GELIC_WL_EURUS_PSK_MAX_LEN + 2),
2418 .name = "set_psk"
2419 },
2420 {
2421 .cmd = GELIC_WL_PRIV_GET_PSK,
2422 .get_args = IW_PRIV_TYPE_CHAR |
2423 (GELIC_WL_EURUS_PSK_MAX_LEN + 2),
2424 .name = "get_psk"
2425 }
2426 };
2427
2428 static const iw_handler gelic_wl_private_handler[] =
2429 {
2430 gelic_wl_priv_set_psk,
2431 gelic_wl_priv_get_psk,
2432 };
2433 #endif
2434
2435 static const struct iw_handler_def gelic_wl_wext_handler_def = {
2436 .num_standard = ARRAY_SIZE(gelic_wl_wext_handler),
2437 .standard = gelic_wl_wext_handler,
2438 .get_wireless_stats = gelic_wl_get_wireless_stats,
2439 #ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE
2440 .num_private = ARRAY_SIZE(gelic_wl_private_handler),
2441 .num_private_args = ARRAY_SIZE(gelic_wl_private_args),
2442 .private = gelic_wl_private_handler,
2443 .private_args = gelic_wl_private_args,
2444 #endif
2445 };
2446
2447 static struct net_device *gelic_wl_alloc(struct gelic_card *card)
2448 {
2449 struct net_device *netdev;
2450 struct gelic_port *port;
2451 struct gelic_wl_info *wl;
2452 unsigned int i;
2453
2454 pr_debug("%s:start\n", __func__);
2455 netdev = alloc_etherdev(sizeof(struct gelic_port) +
2456 sizeof(struct gelic_wl_info));
2457 pr_debug("%s: netdev =%p card=%p \np", __func__, netdev, card);
2458 if (!netdev)
2459 return NULL;
2460
2461 strcpy(netdev->name, "wlan%d");
2462
2463 port = netdev_priv(netdev);
2464 port->netdev = netdev;
2465 port->card = card;
2466 port->type = GELIC_PORT_WIRELESS;
2467
2468 wl = port_wl(port);
2469 pr_debug("%s: wl=%p port=%p\n", __func__, wl, port);
2470
2471 /* allocate scan list */
2472 wl->networks = kzalloc(sizeof(struct gelic_wl_scan_info) *
2473 GELIC_WL_BSS_MAX_ENT, GFP_KERNEL);
2474
2475 if (!wl->networks)
2476 goto fail_bss;
2477
2478 wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd");
2479 if (!wl->eurus_cmd_queue)
2480 goto fail_cmd_workqueue;
2481
2482 wl->event_queue = create_singlethread_workqueue("gelic_event");
2483 if (!wl->event_queue)
2484 goto fail_event_workqueue;
2485
2486 INIT_LIST_HEAD(&wl->network_free_list);
2487 INIT_LIST_HEAD(&wl->network_list);
2488 for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++)
2489 list_add_tail(&wl->networks[i].list,
2490 &wl->network_free_list);
2491 init_completion(&wl->cmd_done_intr);
2492
2493 INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
2494 INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
2495 mutex_init(&wl->scan_lock);
2496 mutex_init(&wl->assoc_stat_lock);
2497
2498 init_completion(&wl->scan_done);
2499 /* for the case that no scan request is issued and stop() is called */
2500 complete(&wl->scan_done);
2501
2502 spin_lock_init(&wl->lock);
2503
2504 wl->scan_age = 5*HZ; /* FIXME */
2505
2506 /* buffer for receiving scanned list etc */
2507 BUILD_BUG_ON(PAGE_SIZE <
2508 sizeof(struct gelic_eurus_scan_info) *
2509 GELIC_EURUS_MAX_SCAN);
2510 pr_debug("%s:end\n", __func__);
2511 return netdev;
2512
2513 fail_event_workqueue:
2514 destroy_workqueue(wl->eurus_cmd_queue);
2515 fail_cmd_workqueue:
2516 kfree(wl->networks);
2517 fail_bss:
2518 free_netdev(netdev);
2519 pr_debug("%s:end error\n", __func__);
2520 return NULL;
2521
2522 }
2523
2524 static void gelic_wl_free(struct gelic_wl_info *wl)
2525 {
2526 struct gelic_wl_scan_info *scan_info;
2527 unsigned int i;
2528
2529 pr_debug("%s: <-\n", __func__);
2530
2531 pr_debug("%s: destroy queues\n", __func__);
2532 destroy_workqueue(wl->eurus_cmd_queue);
2533 destroy_workqueue(wl->event_queue);
2534
2535 scan_info = wl->networks;
2536 for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++)
2537 kfree(scan_info->hwinfo);
2538 kfree(wl->networks);
2539
2540 free_netdev(port_to_netdev(wl_port(wl)));
2541
2542 pr_debug("%s: ->\n", __func__);
2543 }
2544
2545 static int gelic_wl_try_associate(struct net_device *netdev)
2546 {
2547 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2548 int ret = -1;
2549 unsigned int i;
2550
2551 pr_debug("%s: <-\n", __func__);
2552
2553 /* check constraits for start association */
2554 /* for no access restriction AP */
2555 if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) {
2556 if (test_bit(GELIC_WL_STAT_CONFIGURED,
2557 &wl->stat))
2558 goto do_associate;
2559 else {
2560 pr_debug("%s: no wep, not configured\n", __func__);
2561 return ret;
2562 }
2563 }
2564
2565 /* for WEP, one of four keys should be set */
2566 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
2567 /* one of keys set */
2568 for (i = 0; i < GELIC_WEP_KEYS; i++) {
2569 if (test_bit(i, &wl->key_enabled))
2570 goto do_associate;
2571 }
2572 pr_debug("%s: WEP, but no key specified\n", __func__);
2573 return ret;
2574 }
2575
2576 /* for WPA[2], psk should be set */
2577 if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) ||
2578 (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) {
2579 if (test_bit(GELIC_WL_STAT_WPA_PSK_SET,
2580 &wl->stat))
2581 goto do_associate;
2582 else {
2583 pr_debug("%s: AES/TKIP, but PSK not configured\n",
2584 __func__);
2585 return ret;
2586 }
2587 }
2588
2589 do_associate:
2590 ret = schedule_delayed_work(&wl->assoc_work, 0);
2591 pr_debug("%s: start association work %d\n", __func__, ret);
2592 return ret;
2593 }
2594
2595 /*
2596 * netdev handlers
2597 */
2598 static int gelic_wl_open(struct net_device *netdev)
2599 {
2600 struct gelic_card *card = netdev_card(netdev);
2601
2602 pr_debug("%s:->%p\n", __func__, netdev);
2603
2604 gelic_card_up(card);
2605
2606 /* try to associate */
2607 gelic_wl_try_associate(netdev);
2608
2609 netif_start_queue(netdev);
2610
2611 pr_debug("%s:<-\n", __func__);
2612 return 0;
2613 }
2614
2615 /*
2616 * reset state machine
2617 */
2618 static int gelic_wl_reset_state(struct gelic_wl_info *wl)
2619 {
2620 struct gelic_wl_scan_info *target;
2621 struct gelic_wl_scan_info *tmp;
2622
2623 /* empty scan list */
2624 list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
2625 list_move_tail(&target->list, &wl->network_free_list);
2626 }
2627 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
2628
2629 /* clear configuration */
2630 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
2631 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
2632 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
2633 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
2634
2635 wl->key_enabled = 0;
2636 wl->current_key = 0;
2637
2638 wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
2639 wl->psk_len = 0;
2640
2641 wl->essid_len = 0;
2642 memset(wl->essid, 0, sizeof(wl->essid));
2643 memset(wl->bssid, 0, sizeof(wl->bssid));
2644 memset(wl->active_bssid, 0, sizeof(wl->active_bssid));
2645
2646 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2647
2648 memset(&wl->iwstat, 0, sizeof(wl->iwstat));
2649 /* all status bit clear */
2650 wl->stat = 0;
2651 return 0;
2652 }
2653
2654 /*
2655 * Tell eurus to terminate association
2656 */
2657 static void gelic_wl_disconnect(struct net_device *netdev)
2658 {
2659 struct gelic_port *port = netdev_priv(netdev);
2660 struct gelic_wl_info *wl = port_wl(port);
2661 struct gelic_eurus_cmd *cmd;
2662
2663 /*
2664 * If scann process is running on chip,
2665 * further requests will be rejected
2666 */
2667 if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING)
2668 wait_for_completion_timeout(&wl->scan_done, HZ);
2669
2670 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2671 kfree(cmd);
2672 gelic_wl_send_iwap_event(wl, NULL);
2673 };
2674
2675 static int gelic_wl_stop(struct net_device *netdev)
2676 {
2677 struct gelic_port *port = netdev_priv(netdev);
2678 struct gelic_wl_info *wl = port_wl(port);
2679 struct gelic_card *card = netdev_card(netdev);
2680
2681 pr_debug("%s:<-\n", __func__);
2682
2683 /*
2684 * Cancel pending association work.
2685 * event work can run after netdev down
2686 */
2687 cancel_delayed_work(&wl->assoc_work);
2688
2689 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2690 gelic_wl_disconnect(netdev);
2691
2692 /* reset our state machine */
2693 gelic_wl_reset_state(wl);
2694
2695 netif_stop_queue(netdev);
2696
2697 gelic_card_down(card);
2698
2699 pr_debug("%s:->\n", __func__);
2700 return 0;
2701 }
2702
2703 /* -- */
2704
2705 static struct ethtool_ops gelic_wl_ethtool_ops = {
2706 .get_drvinfo = gelic_net_get_drvinfo,
2707 .get_link = gelic_wl_get_link,
2708 .get_tx_csum = ethtool_op_get_tx_csum,
2709 .set_tx_csum = ethtool_op_set_tx_csum,
2710 .get_rx_csum = gelic_net_get_rx_csum,
2711 .set_rx_csum = gelic_net_set_rx_csum,
2712 };
2713
2714 static void gelic_wl_setup_netdev_ops(struct net_device *netdev)
2715 {
2716 struct gelic_wl_info *wl;
2717 wl = port_wl(netdev_priv(netdev));
2718 BUG_ON(!wl);
2719 netdev->open = &gelic_wl_open;
2720 netdev->stop = &gelic_wl_stop;
2721 netdev->hard_start_xmit = &gelic_net_xmit;
2722 netdev->set_multicast_list = &gelic_net_set_multi;
2723 netdev->change_mtu = &gelic_net_change_mtu;
2724 netdev->wireless_data = &wl->wireless_data;
2725 netdev->wireless_handlers = &gelic_wl_wext_handler_def;
2726 /* tx watchdog */
2727 netdev->tx_timeout = &gelic_net_tx_timeout;
2728 netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT;
2729
2730 netdev->ethtool_ops = &gelic_wl_ethtool_ops;
2731 #ifdef CONFIG_NET_POLL_CONTROLLER
2732 netdev->poll_controller = gelic_net_poll_controller;
2733 #endif
2734 }
2735
2736 /*
2737 * driver probe/remove
2738 */
2739 int gelic_wl_driver_probe(struct gelic_card *card)
2740 {
2741 int ret;
2742 struct net_device *netdev;
2743
2744 pr_debug("%s:start\n", __func__);
2745
2746 if (ps3_compare_firmware_version(1, 6, 0) < 0)
2747 return 0;
2748 if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2749 return 0;
2750
2751 /* alloc netdevice for wireless */
2752 netdev = gelic_wl_alloc(card);
2753 if (!netdev)
2754 return -ENOMEM;
2755
2756 /* setup net_device structure */
2757 SET_NETDEV_DEV(netdev, &card->dev->core);
2758 gelic_wl_setup_netdev_ops(netdev);
2759
2760 /* setup some of net_device and register it */
2761 ret = gelic_net_setup_netdev(netdev, card);
2762 if (ret)
2763 goto fail_setup;
2764 card->netdev[GELIC_PORT_WIRELESS] = netdev;
2765
2766 /* add enable wireless interrupt */
2767 card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED |
2768 GELIC_CARD_WLAN_COMMAND_COMPLETED;
2769 /* to allow wireless commands while both interfaces are down */
2770 gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED |
2771 GELIC_CARD_WLAN_COMMAND_COMPLETED);
2772 pr_debug("%s:end\n", __func__);
2773 return 0;
2774
2775 fail_setup:
2776 gelic_wl_free(port_wl(netdev_port(netdev)));
2777
2778 return ret;
2779 }
2780
2781 int gelic_wl_driver_remove(struct gelic_card *card)
2782 {
2783 struct gelic_wl_info *wl;
2784 struct net_device *netdev;
2785
2786 pr_debug("%s:start\n", __func__);
2787
2788 if (ps3_compare_firmware_version(1, 6, 0) < 0)
2789 return 0;
2790 if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2791 return 0;
2792
2793 netdev = card->netdev[GELIC_PORT_WIRELESS];
2794 wl = port_wl(netdev_priv(netdev));
2795
2796 /* if the interface was not up, but associated */
2797 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2798 gelic_wl_disconnect(netdev);
2799
2800 complete(&wl->cmd_done_intr);
2801
2802 /* cancel all work queue */
2803 cancel_delayed_work(&wl->assoc_work);
2804 cancel_delayed_work(&wl->event_work);
2805 flush_workqueue(wl->eurus_cmd_queue);
2806 flush_workqueue(wl->event_queue);
2807
2808 unregister_netdev(netdev);
2809
2810 /* disable wireless interrupt */
2811 pr_debug("%s: disable intr\n", __func__);
2812 card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED |
2813 GELIC_CARD_WLAN_COMMAND_COMPLETED);
2814 /* free bss list, netdev*/
2815 gelic_wl_free(wl);
2816 pr_debug("%s:end\n", __func__);
2817 return 0;
2818 }
Support for the Chinese Samsung S3C2440 based development boards