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perf tools: Don't clone maps from parent when synthesizing forks
[linux/fpc-iii.git] / drivers / net / ethernet / toshiba / ps3_gelic_wireless.c
blob00ab417694add0d5bcbd3b151e1cc9f802725740
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 #include <linux/slab.h>
25
26 #include <linux/etherdevice.h>
27 #include <linux/ethtool.h>
28 #include <linux/if_vlan.h>
29
30 #include <linux/in.h>
31 #include <linux/ip.h>
32 #include <linux/tcp.h>
33 #include <linux/wireless.h>
34 #include <linux/ieee80211.h>
35 #include <linux/if_arp.h>
36 #include <linux/ctype.h>
37 #include <linux/string.h>
38 #include <net/iw_handler.h>
39
40 #include <linux/dma-mapping.h>
41 #include <net/checksum.h>
42 #include <asm/firmware.h>
43 #include <asm/ps3.h>
44 #include <asm/lv1call.h>
45
46 #include "ps3_gelic_net.h"
47 #include "ps3_gelic_wireless.h"
48
49
50 static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
51 u8 *essid, size_t essid_len);
52 static int gelic_wl_try_associate(struct net_device *netdev);
53
54 /*
55 * tables
56 */
57
58 /* 802.11b/g channel to freq in MHz */
59 static const int channel_freq[] = {
60 2412, 2417, 2422, 2427, 2432,
61 2437, 2442, 2447, 2452, 2457,
62 2462, 2467, 2472, 2484
63 };
64 #define NUM_CHANNELS ARRAY_SIZE(channel_freq)
65
66 /* in bps */
67 static const int bitrate_list[] = {
68 1000000,
69 2000000,
70 5500000,
71 11000000,
72 6000000,
73 9000000,
74 12000000,
75 18000000,
76 24000000,
77 36000000,
78 48000000,
79 54000000
80 };
81 #define NUM_BITRATES ARRAY_SIZE(bitrate_list)
82
83 /*
84 * wpa2 support requires the hypervisor version 2.0 or later
85 */
86 static inline int wpa2_capable(void)
87 {
88 return 0 <= ps3_compare_firmware_version(2, 0, 0);
89 }
90
91 static inline int precise_ie(void)
92 {
93 return 0 <= ps3_compare_firmware_version(2, 2, 0);
94 }
95 /*
96 * post_eurus_cmd helpers
97 */
98 struct eurus_cmd_arg_info {
99 int pre_arg; /* command requires arg1, arg2 at POST COMMAND */
100 int post_arg; /* command requires arg1, arg2 at GET_RESULT */
101 };
102
103 static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = {
104 [GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1},
105 [GELIC_EURUS_CMD_SET_WEP_CFG] = { .pre_arg = 1},
106 [GELIC_EURUS_CMD_SET_WPA_CFG] = { .pre_arg = 1},
107 [GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1},
108 [GELIC_EURUS_CMD_GET_WEP_CFG] = { .post_arg = 1},
109 [GELIC_EURUS_CMD_GET_WPA_CFG] = { .post_arg = 1},
110 [GELIC_EURUS_CMD_GET_RSSI_CFG] = { .post_arg = 1},
111 [GELIC_EURUS_CMD_START_SCAN] = { .pre_arg = 1},
112 [GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1},
113 };
114
115 #ifdef DEBUG
116 static const char *cmdstr(enum gelic_eurus_command ix)
117 {
118 switch (ix) {
119 case GELIC_EURUS_CMD_ASSOC:
120 return "ASSOC";
121 case GELIC_EURUS_CMD_DISASSOC:
122 return "DISASSOC";
123 case GELIC_EURUS_CMD_START_SCAN:
124 return "SCAN";
125 case GELIC_EURUS_CMD_GET_SCAN:
126 return "GET SCAN";
127 case GELIC_EURUS_CMD_SET_COMMON_CFG:
128 return "SET_COMMON_CFG";
129 case GELIC_EURUS_CMD_GET_COMMON_CFG:
130 return "GET_COMMON_CFG";
131 case GELIC_EURUS_CMD_SET_WEP_CFG:
132 return "SET_WEP_CFG";
133 case GELIC_EURUS_CMD_GET_WEP_CFG:
134 return "GET_WEP_CFG";
135 case GELIC_EURUS_CMD_SET_WPA_CFG:
136 return "SET_WPA_CFG";
137 case GELIC_EURUS_CMD_GET_WPA_CFG:
138 return "GET_WPA_CFG";
139 case GELIC_EURUS_CMD_GET_RSSI_CFG:
140 return "GET_RSSI";
141 default:
142 break;
143 }
144 return "";
145 };
146 #else
147 static inline const char *cmdstr(enum gelic_eurus_command ix)
148 {
149 return "";
150 }
151 #endif
152
153 /* synchronously do eurus commands */
154 static void gelic_eurus_sync_cmd_worker(struct work_struct *work)
155 {
156 struct gelic_eurus_cmd *cmd;
157 struct gelic_card *card;
158 struct gelic_wl_info *wl;
159
160 u64 arg1, arg2;
161
162 pr_debug("%s: <-\n", __func__);
163 cmd = container_of(work, struct gelic_eurus_cmd, work);
164 BUG_ON(cmd_info[cmd->cmd].pre_arg &&
165 cmd_info[cmd->cmd].post_arg);
166 wl = cmd->wl;
167 card = port_to_card(wl_port(wl));
168
169 if (cmd_info[cmd->cmd].pre_arg) {
170 arg1 = (cmd->buffer) ?
171 ps3_mm_phys_to_lpar(__pa(cmd->buffer)) :
172 0;
173 arg2 = cmd->buf_size;
174 } else {
175 arg1 = 0;
176 arg2 = 0;
177 }
178 init_completion(&wl->cmd_done_intr);
179 pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd));
180 cmd->status = lv1_net_control(bus_id(card), dev_id(card),
181 GELIC_LV1_POST_WLAN_CMD,
182 cmd->cmd, arg1, arg2,
183 &cmd->tag, &cmd->size);
184 if (cmd->status) {
185 complete(&cmd->done);
186 pr_info("%s: cmd issue failed\n", __func__);
187 return;
188 }
189
190 wait_for_completion(&wl->cmd_done_intr);
191
192 if (cmd_info[cmd->cmd].post_arg) {
193 arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer));
194 arg2 = cmd->buf_size;
195 } else {
196 arg1 = 0;
197 arg2 = 0;
198 }
199
200 cmd->status = lv1_net_control(bus_id(card), dev_id(card),
201 GELIC_LV1_GET_WLAN_CMD_RESULT,
202 cmd->tag, arg1, arg2,
203 &cmd->cmd_status, &cmd->size);
204 #ifdef DEBUG
205 if (cmd->status || cmd->cmd_status) {
206 pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__,
207 cmd->tag, arg1, arg2);
208 pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n",
209 __func__, cmd->status, cmd->cmd_status, cmd->size);
210 }
211 #endif
212 complete(&cmd->done);
213 pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd));
214 }
215
216 static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl,
217 unsigned int eurus_cmd,
218 void *buffer,
219 unsigned int buf_size)
220 {
221 struct gelic_eurus_cmd *cmd;
222
223 /* allocate cmd */
224 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
225 if (!cmd)
226 return NULL;
227
228 /* initialize members */
229 cmd->cmd = eurus_cmd;
230 cmd->buffer = buffer;
231 cmd->buf_size = buf_size;
232 cmd->wl = wl;
233 INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker);
234 init_completion(&cmd->done);
235 queue_work(wl->eurus_cmd_queue, &cmd->work);
236
237 /* wait for command completion */
238 wait_for_completion(&cmd->done);
239
240 return cmd;
241 }
242
243 static u32 gelic_wl_get_link(struct net_device *netdev)
244 {
245 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
246 u32 ret;
247
248 pr_debug("%s: <-\n", __func__);
249 mutex_lock(&wl->assoc_stat_lock);
250 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
251 ret = 1;
252 else
253 ret = 0;
254 mutex_unlock(&wl->assoc_stat_lock);
255 pr_debug("%s: ->\n", __func__);
256 return ret;
257 }
258
259 static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid)
260 {
261 union iwreq_data data;
262
263 memset(&data, 0, sizeof(data));
264 if (bssid)
265 memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN);
266 data.ap_addr.sa_family = ARPHRD_ETHER;
267 wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP,
268 &data, NULL);
269 }
270
271 /*
272 * wireless extension handlers and helpers
273 */
274
275 /* SIOGIWNAME */
276 static int gelic_wl_get_name(struct net_device *dev,
277 struct iw_request_info *info,
278 union iwreq_data *iwreq, char *extra)
279 {
280 strcpy(iwreq->name, "IEEE 802.11bg");
281 return 0;
282 }
283
284 static void gelic_wl_get_ch_info(struct gelic_wl_info *wl)
285 {
286 struct gelic_card *card = port_to_card(wl_port(wl));
287 u64 ch_info_raw, tmp;
288 int status;
289
290 if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) {
291 status = lv1_net_control(bus_id(card), dev_id(card),
292 GELIC_LV1_GET_CHANNEL, 0, 0, 0,
293 &ch_info_raw,
294 &tmp);
295 /* some fw versions may return error */
296 if (status) {
297 if (status != LV1_NO_ENTRY)
298 pr_info("%s: available ch unknown\n", __func__);
299 wl->ch_info = 0x07ff;/* 11 ch */
300 } else
301 /* 16 bits of MSB has available channels */
302 wl->ch_info = ch_info_raw >> 48;
303 }
304 }
305
306 /* SIOGIWRANGE */
307 static int gelic_wl_get_range(struct net_device *netdev,
308 struct iw_request_info *info,
309 union iwreq_data *iwreq, char *extra)
310 {
311 struct iw_point *point = &iwreq->data;
312 struct iw_range *range = (struct iw_range *)extra;
313 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
314 unsigned int i, chs;
315
316 pr_debug("%s: <-\n", __func__);
317 point->length = sizeof(struct iw_range);
318 memset(range, 0, sizeof(struct iw_range));
319
320 range->we_version_compiled = WIRELESS_EXT;
321 range->we_version_source = 22;
322
323 /* available channels and frequencies */
324 gelic_wl_get_ch_info(wl);
325
326 for (i = 0, chs = 0;
327 i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++)
328 if (wl->ch_info & (1 << i)) {
329 range->freq[chs].i = i + 1;
330 range->freq[chs].m = channel_freq[i];
331 range->freq[chs].e = 6;
332 chs++;
333 }
334 range->num_frequency = chs;
335 range->old_num_frequency = chs;
336 range->num_channels = chs;
337 range->old_num_channels = chs;
338
339 /* bitrates */
340 for (i = 0; i < NUM_BITRATES; i++)
341 range->bitrate[i] = bitrate_list[i];
342 range->num_bitrates = i;
343
344 /* signal levels */
345 range->max_qual.qual = 100; /* relative value */
346 range->max_qual.level = 100;
347 range->avg_qual.qual = 50;
348 range->avg_qual.level = 50;
349 range->sensitivity = 0;
350
351 /* Event capability */
352 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
353 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
354 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
355
356 /* encryption capability */
357 range->enc_capa = IW_ENC_CAPA_WPA |
358 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP |
359 IW_ENC_CAPA_4WAY_HANDSHAKE;
360 if (wpa2_capable())
361 range->enc_capa |= IW_ENC_CAPA_WPA2;
362 range->encoding_size[0] = 5; /* 40bit WEP */
363 range->encoding_size[1] = 13; /* 104bit WEP */
364 range->encoding_size[2] = 32; /* WPA-PSK */
365 range->num_encoding_sizes = 3;
366 range->max_encoding_tokens = GELIC_WEP_KEYS;
367
368 /* scan capability */
369 range->scan_capa = IW_SCAN_CAPA_ESSID;
370
371 pr_debug("%s: ->\n", __func__);
372 return 0;
373
374 }
375
376 /* SIOC{G,S}IWSCAN */
377 static int gelic_wl_set_scan(struct net_device *netdev,
378 struct iw_request_info *info,
379 union iwreq_data *wrqu, char *extra)
380 {
381 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
382 struct iw_scan_req *req;
383 u8 *essid = NULL;
384 size_t essid_len = 0;
385
386 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
387 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
388 req = (struct iw_scan_req*)extra;
389 essid = req->essid;
390 essid_len = req->essid_len;
391 pr_debug("%s: ESSID scan =%s\n", __func__, essid);
392 }
393 return gelic_wl_start_scan(wl, 1, essid, essid_len);
394 }
395
396 #define OUI_LEN 3
397 static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac };
398 static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 };
399
400 /*
401 * synthesize WPA/RSN IE data
402 * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25
403 * for the format
404 */
405 static size_t gelic_wl_synthesize_ie(u8 *buf,
406 struct gelic_eurus_scan_info *scan)
407 {
408
409 const u8 *oui_header;
410 u8 *start = buf;
411 int rsn;
412 int ccmp;
413
414 pr_debug("%s: <- sec=%16x\n", __func__, scan->security);
415 switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) {
416 case GELIC_EURUS_SCAN_SEC_WPA:
417 rsn = 0;
418 break;
419 case GELIC_EURUS_SCAN_SEC_WPA2:
420 rsn = 1;
421 break;
422 default:
423 /* WEP or none. No IE returned */
424 return 0;
425 }
426
427 switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) {
428 case GELIC_EURUS_SCAN_SEC_WPA_TKIP:
429 ccmp = 0;
430 break;
431 case GELIC_EURUS_SCAN_SEC_WPA_AES:
432 ccmp = 1;
433 break;
434 default:
435 if (rsn) {
436 ccmp = 1;
437 pr_info("%s: no cipher info. defaulted to CCMP\n",
438 __func__);
439 } else {
440 ccmp = 0;
441 pr_info("%s: no cipher info. defaulted to TKIP\n",
442 __func__);
443 }
444 }
445
446 if (rsn)
447 oui_header = rsn_oui;
448 else
449 oui_header = wpa_oui;
450
451 /* element id */
452 if (rsn)
453 *buf++ = WLAN_EID_RSN;
454 else
455 *buf++ = WLAN_EID_VENDOR_SPECIFIC;
456
457 /* length filed; set later */
458 buf++;
459
460 /* wpa special header */
461 if (!rsn) {
462 memcpy(buf, wpa_oui, OUI_LEN);
463 buf += OUI_LEN;
464 *buf++ = 0x01;
465 }
466
467 /* version */
468 *buf++ = 0x01; /* version 1.0 */
469 *buf++ = 0x00;
470
471 /* group cipher */
472 memcpy(buf, oui_header, OUI_LEN);
473 buf += OUI_LEN;
474
475 if (ccmp)
476 *buf++ = 0x04; /* CCMP */
477 else
478 *buf++ = 0x02; /* TKIP */
479
480 /* pairwise key count always 1 */
481 *buf++ = 0x01;
482 *buf++ = 0x00;
483
484 /* pairwise key suit */
485 memcpy(buf, oui_header, OUI_LEN);
486 buf += OUI_LEN;
487 if (ccmp)
488 *buf++ = 0x04; /* CCMP */
489 else
490 *buf++ = 0x02; /* TKIP */
491
492 /* AKM count is 1 */
493 *buf++ = 0x01;
494 *buf++ = 0x00;
495
496 /* AKM suite is assumed as PSK*/
497 memcpy(buf, oui_header, OUI_LEN);
498 buf += OUI_LEN;
499 *buf++ = 0x02; /* PSK */
500
501 /* RSN capabilities is 0 */
502 *buf++ = 0x00;
503 *buf++ = 0x00;
504
505 /* set length field */
506 start[1] = (buf - start - 2);
507
508 pr_debug("%s: ->\n", __func__);
509 return buf - start;
510 }
511
512 struct ie_item {
513 u8 *data;
514 u8 len;
515 };
516
517 struct ie_info {
518 struct ie_item wpa;
519 struct ie_item rsn;
520 };
521
522 static void gelic_wl_parse_ie(u8 *data, size_t len,
523 struct ie_info *ie_info)
524 {
525 size_t data_left = len;
526 u8 *pos = data;
527 u8 item_len;
528 u8 item_id;
529
530 pr_debug("%s: data=%p len=%ld\n", __func__,
531 data, len);
532 memset(ie_info, 0, sizeof(struct ie_info));
533
534 while (2 <= data_left) {
535 item_id = *pos++;
536 item_len = *pos++;
537 data_left -= 2;
538
539 if (data_left < item_len)
540 break;
541
542 switch (item_id) {
543 case WLAN_EID_VENDOR_SPECIFIC:
544 if ((OUI_LEN + 1 <= item_len) &&
545 !memcmp(pos, wpa_oui, OUI_LEN) &&
546 pos[OUI_LEN] == 0x01) {
547 ie_info->wpa.data = pos - 2;
548 ie_info->wpa.len = item_len + 2;
549 }
550 break;
551 case WLAN_EID_RSN:
552 ie_info->rsn.data = pos - 2;
553 /* length includes the header */
554 ie_info->rsn.len = item_len + 2;
555 break;
556 default:
557 pr_debug("%s: ignore %#x,%d\n", __func__,
558 item_id, item_len);
559 break;
560 }
561 pos += item_len;
562 data_left -= item_len;
563 }
564 pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__,
565 ie_info->wpa.data, ie_info->wpa.len,
566 ie_info->rsn.data, ie_info->rsn.len);
567 }
568
569
570 /*
571 * translate the scan informations from hypervisor to a
572 * independent format
573 */
574 static char *gelic_wl_translate_scan(struct net_device *netdev,
575 struct iw_request_info *info,
576 char *ev,
577 char *stop,
578 struct gelic_wl_scan_info *network)
579 {
580 struct iw_event iwe;
581 struct gelic_eurus_scan_info *scan = network->hwinfo;
582 char *tmp;
583 u8 rate;
584 unsigned int i, j, len;
585 u8 buf[64]; /* arbitrary size large enough */
586
587 pr_debug("%s: <-\n", __func__);
588
589 /* first entry should be AP's mac address */
590 iwe.cmd = SIOCGIWAP;
591 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
592 memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN);
593 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_ADDR_LEN);
594
595 /* ESSID */
596 iwe.cmd = SIOCGIWESSID;
597 iwe.u.data.flags = 1;
598 iwe.u.data.length = strnlen(scan->essid, 32);
599 ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
600
601 /* FREQUENCY */
602 iwe.cmd = SIOCGIWFREQ;
603 iwe.u.freq.m = be16_to_cpu(scan->channel);
604 iwe.u.freq.e = 0; /* table value in MHz */
605 iwe.u.freq.i = 0;
606 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_FREQ_LEN);
607
608 /* RATES */
609 iwe.cmd = SIOCGIWRATE;
610 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
611 /* to stuff multiple values in one event */
612 tmp = ev + iwe_stream_lcp_len(info);
613 /* put them in ascendant order (older is first) */
614 i = 0;
615 j = 0;
616 pr_debug("%s: rates=%d rate=%d\n", __func__,
617 network->rate_len, network->rate_ext_len);
618 while (i < network->rate_len) {
619 if (j < network->rate_ext_len &&
620 ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f)))
621 rate = scan->ext_rate[j++] & 0x7f;
622 else
623 rate = scan->rate[i++] & 0x7f;
624 iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */
625 tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
626 IW_EV_PARAM_LEN);
627 }
628 while (j < network->rate_ext_len) {
629 iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000;
630 tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
631 IW_EV_PARAM_LEN);
632 }
633 /* Check if we added any rate */
634 if (iwe_stream_lcp_len(info) < (tmp - ev))
635 ev = tmp;
636
637 /* ENCODE */
638 iwe.cmd = SIOCGIWENCODE;
639 if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY)
640 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
641 else
642 iwe.u.data.flags = IW_ENCODE_DISABLED;
643 iwe.u.data.length = 0;
644 ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
645
646 /* MODE */
647 iwe.cmd = SIOCGIWMODE;
648 if (be16_to_cpu(scan->capability) &
649 (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
650 if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS)
651 iwe.u.mode = IW_MODE_MASTER;
652 else
653 iwe.u.mode = IW_MODE_ADHOC;
654 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_UINT_LEN);
655 }
656
657 /* QUAL */
658 iwe.cmd = IWEVQUAL;
659 iwe.u.qual.updated = IW_QUAL_ALL_UPDATED |
660 IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
661 iwe.u.qual.level = be16_to_cpu(scan->rssi);
662 iwe.u.qual.qual = be16_to_cpu(scan->rssi);
663 iwe.u.qual.noise = 0;
664 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_QUAL_LEN);
665
666 /* RSN */
667 memset(&iwe, 0, sizeof(iwe));
668 if (be16_to_cpu(scan->size) <= sizeof(*scan)) {
669 /* If wpa[2] capable station, synthesize IE and put it */
670 len = gelic_wl_synthesize_ie(buf, scan);
671 if (len) {
672 iwe.cmd = IWEVGENIE;
673 iwe.u.data.length = len;
674 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
675 }
676 } else {
677 /* this scan info has IE data */
678 struct ie_info ie_info;
679 size_t data_len;
680
681 data_len = be16_to_cpu(scan->size) - sizeof(*scan);
682
683 gelic_wl_parse_ie(scan->elements, data_len, &ie_info);
684
685 if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) {
686 memcpy(buf, ie_info.wpa.data, ie_info.wpa.len);
687 iwe.cmd = IWEVGENIE;
688 iwe.u.data.length = ie_info.wpa.len;
689 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
690 }
691
692 if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) {
693 memset(&iwe, 0, sizeof(iwe));
694 memcpy(buf, ie_info.rsn.data, ie_info.rsn.len);
695 iwe.cmd = IWEVGENIE;
696 iwe.u.data.length = ie_info.rsn.len;
697 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
698 }
699 }
700
701 pr_debug("%s: ->\n", __func__);
702 return ev;
703 }
704
705
706 static int gelic_wl_get_scan(struct net_device *netdev,
707 struct iw_request_info *info,
708 union iwreq_data *wrqu, char *extra)
709 {
710 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
711 struct gelic_wl_scan_info *scan_info;
712 char *ev = extra;
713 char *stop = ev + wrqu->data.length;
714 int ret = 0;
715 unsigned long this_time = jiffies;
716
717 pr_debug("%s: <-\n", __func__);
718 if (mutex_lock_interruptible(&wl->scan_lock))
719 return -EAGAIN;
720
721 switch (wl->scan_stat) {
722 case GELIC_WL_SCAN_STAT_SCANNING:
723 /* If a scan in progress, caller should call me again */
724 ret = -EAGAIN;
725 goto out;
726 case GELIC_WL_SCAN_STAT_INIT:
727 /* last scan request failed or never issued */
728 ret = -ENODEV;
729 goto out;
730 case GELIC_WL_SCAN_STAT_GOT_LIST:
731 /* ok, use current list */
732 break;
733 }
734
735 list_for_each_entry(scan_info, &wl->network_list, list) {
736 if (wl->scan_age == 0 ||
737 time_after(scan_info->last_scanned + wl->scan_age,
738 this_time))
739 ev = gelic_wl_translate_scan(netdev, info,
740 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
765 i = 0;
766 list_for_each_entry(scan_info, &wl->network_list, list) {
767 pr_debug("%s: item %d\n", __func__, i++);
768 pr_debug("valid=%d eurusindex=%d last=%lx\n",
769 scan_info->valid, scan_info->eurus_index,
770 scan_info->last_scanned);
771 pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n",
772 scan_info->rate_len, scan_info->rate_ext_len,
773 scan_info->essid_len);
774 /* -- */
775 pr_debug("bssid=%pM\n", &scan_info->hwinfo->bssid[2]);
776 pr_debug("essid=%s\n", scan_info->hwinfo->essid);
777 }
778 }
779 #endif
780
781 static int gelic_wl_set_auth(struct net_device *netdev,
782 struct iw_request_info *info,
783 union iwreq_data *data, char *extra)
784 {
785 struct iw_param *param = &data->param;
786 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
787 unsigned long irqflag;
788 int ret = 0;
789
790 pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
791 spin_lock_irqsave(&wl->lock, irqflag);
792 switch (param->flags & IW_AUTH_INDEX) {
793 case IW_AUTH_WPA_VERSION:
794 if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
795 pr_debug("%s: NO WPA selected\n", __func__);
796 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
797 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
798 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
799 }
800 if (param->value & IW_AUTH_WPA_VERSION_WPA) {
801 pr_debug("%s: WPA version 1 selected\n", __func__);
802 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
803 wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
804 wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
805 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
806 }
807 if (param->value & IW_AUTH_WPA_VERSION_WPA2) {
808 /*
809 * As the hypervisor may not tell the cipher
810 * information of the AP if it is WPA2,
811 * you will not decide suitable cipher from
812 * its beacon.
813 * You should have knowledge about the AP's
814 * cipher information in other method prior to
815 * the association.
816 */
817 if (!precise_ie())
818 pr_info("%s: WPA2 may not work\n", __func__);
819 if (wpa2_capable()) {
820 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2;
821 wl->group_cipher_method = GELIC_WL_CIPHER_AES;
822 wl->pairwise_cipher_method =
823 GELIC_WL_CIPHER_AES;
824 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
825 } else
826 ret = -EINVAL;
827 }
828 break;
829
830 case IW_AUTH_CIPHER_PAIRWISE:
831 if (param->value &
832 (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
833 pr_debug("%s: WEP selected\n", __func__);
834 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
835 }
836 if (param->value & IW_AUTH_CIPHER_TKIP) {
837 pr_debug("%s: TKIP selected\n", __func__);
838 wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
839 }
840 if (param->value & IW_AUTH_CIPHER_CCMP) {
841 pr_debug("%s: CCMP selected\n", __func__);
842 wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES;
843 }
844 if (param->value & IW_AUTH_CIPHER_NONE) {
845 pr_debug("%s: no auth selected\n", __func__);
846 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
847 }
848 break;
849 case IW_AUTH_CIPHER_GROUP:
850 if (param->value &
851 (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
852 pr_debug("%s: WEP selected\n", __func__);
853 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
854 }
855 if (param->value & IW_AUTH_CIPHER_TKIP) {
856 pr_debug("%s: TKIP selected\n", __func__);
857 wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
858 }
859 if (param->value & IW_AUTH_CIPHER_CCMP) {
860 pr_debug("%s: CCMP selected\n", __func__);
861 wl->group_cipher_method = GELIC_WL_CIPHER_AES;
862 }
863 if (param->value & IW_AUTH_CIPHER_NONE) {
864 pr_debug("%s: no auth selected\n", __func__);
865 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
866 }
867 break;
868 case IW_AUTH_80211_AUTH_ALG:
869 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
870 pr_debug("%s: shared key specified\n", __func__);
871 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
872 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
873 pr_debug("%s: open system specified\n", __func__);
874 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
875 } else
876 ret = -EINVAL;
877 break;
878
879 case IW_AUTH_WPA_ENABLED:
880 if (param->value) {
881 pr_debug("%s: WPA enabled\n", __func__);
882 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
883 } else {
884 pr_debug("%s: WPA disabled\n", __func__);
885 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
886 }
887 break;
888
889 case IW_AUTH_KEY_MGMT:
890 if (param->value & IW_AUTH_KEY_MGMT_PSK)
891 break;
892 /* intentionally fall through */
893 default:
894 ret = -EOPNOTSUPP;
895 break;
896 }
897
898 if (!ret)
899 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
900
901 spin_unlock_irqrestore(&wl->lock, irqflag);
902 pr_debug("%s: -> %d\n", __func__, ret);
903 return ret;
904 }
905
906 static int gelic_wl_get_auth(struct net_device *netdev,
907 struct iw_request_info *info,
908 union iwreq_data *iwreq, char *extra)
909 {
910 struct iw_param *param = &iwreq->param;
911 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
912 unsigned long irqflag;
913 int ret = 0;
914
915 pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
916 spin_lock_irqsave(&wl->lock, irqflag);
917 switch (param->flags & IW_AUTH_INDEX) {
918 case IW_AUTH_WPA_VERSION:
919 switch (wl->wpa_level) {
920 case GELIC_WL_WPA_LEVEL_WPA:
921 param->value |= IW_AUTH_WPA_VERSION_WPA;
922 break;
923 case GELIC_WL_WPA_LEVEL_WPA2:
924 param->value |= IW_AUTH_WPA_VERSION_WPA2;
925 break;
926 default:
927 param->value |= IW_AUTH_WPA_VERSION_DISABLED;
928 }
929 break;
930
931 case IW_AUTH_80211_AUTH_ALG:
932 if (wl->auth_method == GELIC_EURUS_AUTH_SHARED)
933 param->value = IW_AUTH_ALG_SHARED_KEY;
934 else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN)
935 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
936 break;
937
938 case IW_AUTH_WPA_ENABLED:
939 switch (wl->wpa_level) {
940 case GELIC_WL_WPA_LEVEL_WPA:
941 case GELIC_WL_WPA_LEVEL_WPA2:
942 param->value = 1;
943 break;
944 default:
945 param->value = 0;
946 break;
947 }
948 break;
949 default:
950 ret = -EOPNOTSUPP;
951 }
952
953 spin_unlock_irqrestore(&wl->lock, irqflag);
954 pr_debug("%s: -> %d\n", __func__, ret);
955 return ret;
956 }
957
958 /* SIOC{S,G}IWESSID */
959 static int gelic_wl_set_essid(struct net_device *netdev,
960 struct iw_request_info *info,
961 union iwreq_data *data, char *extra)
962 {
963 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
964 unsigned long irqflag;
965
966 pr_debug("%s: <- l=%d f=%d\n", __func__,
967 data->essid.length, data->essid.flags);
968 if (IW_ESSID_MAX_SIZE < data->essid.length)
969 return -EINVAL;
970
971 spin_lock_irqsave(&wl->lock, irqflag);
972 if (data->essid.flags) {
973 wl->essid_len = data->essid.length;
974 memcpy(wl->essid, extra, wl->essid_len);
975 pr_debug("%s: essid = '%s'\n", __func__, extra);
976 set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
977 } else {
978 pr_debug("%s: ESSID any\n", __func__);
979 clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
980 }
981 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
982 spin_unlock_irqrestore(&wl->lock, irqflag);
983
984
985 gelic_wl_try_associate(netdev); /* FIXME */
986 pr_debug("%s: ->\n", __func__);
987 return 0;
988 }
989
990 static int gelic_wl_get_essid(struct net_device *netdev,
991 struct iw_request_info *info,
992 union iwreq_data *data, char *extra)
993 {
994 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
995 unsigned long irqflag;
996
997 pr_debug("%s: <-\n", __func__);
998 mutex_lock(&wl->assoc_stat_lock);
999 spin_lock_irqsave(&wl->lock, irqflag);
1000 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) ||
1001 wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1002 memcpy(extra, wl->essid, wl->essid_len);
1003 data->essid.length = wl->essid_len;
1004 data->essid.flags = 1;
1005 } else
1006 data->essid.flags = 0;
1007
1008 mutex_unlock(&wl->assoc_stat_lock);
1009 spin_unlock_irqrestore(&wl->lock, irqflag);
1010 pr_debug("%s: -> len=%d\n", __func__, data->essid.length);
1011
1012 return 0;
1013 }
1014
1015 /* SIO{S,G}IWENCODE */
1016 static int gelic_wl_set_encode(struct net_device *netdev,
1017 struct iw_request_info *info,
1018 union iwreq_data *data, char *extra)
1019 {
1020 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1021 struct iw_point *enc = &data->encoding;
1022 __u16 flags;
1023 unsigned long irqflag;
1024 int key_index, index_specified;
1025 int ret = 0;
1026
1027 pr_debug("%s: <-\n", __func__);
1028 flags = enc->flags & IW_ENCODE_FLAGS;
1029 key_index = enc->flags & IW_ENCODE_INDEX;
1030
1031 pr_debug("%s: key_index = %d\n", __func__, key_index);
1032 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1033 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1034
1035 if (GELIC_WEP_KEYS < key_index)
1036 return -EINVAL;
1037
1038 spin_lock_irqsave(&wl->lock, irqflag);
1039 if (key_index) {
1040 index_specified = 1;
1041 key_index--;
1042 } else {
1043 index_specified = 0;
1044 key_index = wl->current_key;
1045 }
1046
1047 if (flags & IW_ENCODE_NOKEY) {
1048 /* if just IW_ENCODE_NOKEY, change current key index */
1049 if (!flags && index_specified) {
1050 wl->current_key = key_index;
1051 goto done;
1052 }
1053
1054 if (flags & IW_ENCODE_DISABLED) {
1055 if (!index_specified) {
1056 /* disable encryption */
1057 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1058 wl->pairwise_cipher_method =
1059 GELIC_WL_CIPHER_NONE;
1060 /* invalidate all key */
1061 wl->key_enabled = 0;
1062 } else
1063 clear_bit(key_index, &wl->key_enabled);
1064 }
1065
1066 if (flags & IW_ENCODE_OPEN)
1067 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1068 if (flags & IW_ENCODE_RESTRICTED) {
1069 pr_info("%s: shared key mode enabled\n", __func__);
1070 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1071 }
1072 } else {
1073 if (IW_ENCODING_TOKEN_MAX < enc->length) {
1074 ret = -EINVAL;
1075 goto done;
1076 }
1077 wl->key_len[key_index] = enc->length;
1078 memcpy(wl->key[key_index], extra, enc->length);
1079 set_bit(key_index, &wl->key_enabled);
1080 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
1081 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
1082 }
1083 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1084 done:
1085 spin_unlock_irqrestore(&wl->lock, irqflag);
1086 pr_debug("%s: ->\n", __func__);
1087 return ret;
1088 }
1089
1090 static int gelic_wl_get_encode(struct net_device *netdev,
1091 struct iw_request_info *info,
1092 union iwreq_data *data, char *extra)
1093 {
1094 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1095 struct iw_point *enc = &data->encoding;
1096 unsigned long irqflag;
1097 unsigned int key_index;
1098 int ret = 0;
1099
1100 pr_debug("%s: <-\n", __func__);
1101 key_index = enc->flags & IW_ENCODE_INDEX;
1102 pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__,
1103 enc->flags, enc->pointer, enc->length, extra);
1104 if (GELIC_WEP_KEYS < key_index)
1105 return -EINVAL;
1106
1107 spin_lock_irqsave(&wl->lock, irqflag);
1108 if (key_index)
1109 key_index--;
1110 else
1111 key_index = wl->current_key;
1112
1113 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1114 switch (wl->auth_method) {
1115 case GELIC_EURUS_AUTH_OPEN:
1116 enc->flags = IW_ENCODE_OPEN;
1117 break;
1118 case GELIC_EURUS_AUTH_SHARED:
1119 enc->flags = IW_ENCODE_RESTRICTED;
1120 break;
1121 }
1122 } else
1123 enc->flags = IW_ENCODE_DISABLED;
1124
1125 if (test_bit(key_index, &wl->key_enabled)) {
1126 if (enc->length < wl->key_len[key_index]) {
1127 ret = -EINVAL;
1128 goto done;
1129 }
1130 enc->length = wl->key_len[key_index];
1131 memcpy(extra, wl->key[key_index], wl->key_len[key_index]);
1132 } else {
1133 enc->length = 0;
1134 enc->flags |= IW_ENCODE_NOKEY;
1135 }
1136 enc->flags |= key_index + 1;
1137 pr_debug("%s: -> flag=%x len=%d\n", __func__,
1138 enc->flags, enc->length);
1139
1140 done:
1141 spin_unlock_irqrestore(&wl->lock, irqflag);
1142 return ret;
1143 }
1144
1145 /* SIOC{S,G}IWAP */
1146 static int gelic_wl_set_ap(struct net_device *netdev,
1147 struct iw_request_info *info,
1148 union iwreq_data *data, char *extra)
1149 {
1150 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1151 unsigned long irqflag;
1152
1153 pr_debug("%s: <-\n", __func__);
1154 if (data->ap_addr.sa_family != ARPHRD_ETHER)
1155 return -EINVAL;
1156
1157 spin_lock_irqsave(&wl->lock, irqflag);
1158 if (is_valid_ether_addr(data->ap_addr.sa_data)) {
1159 memcpy(wl->bssid, data->ap_addr.sa_data,
1160 ETH_ALEN);
1161 set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1162 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1163 pr_debug("%s: bss=%pM\n", __func__, wl->bssid);
1164 } else {
1165 pr_debug("%s: clear bssid\n", __func__);
1166 clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1167 eth_zero_addr(wl->bssid);
1168 }
1169 spin_unlock_irqrestore(&wl->lock, irqflag);
1170 pr_debug("%s: ->\n", __func__);
1171 return 0;
1172 }
1173
1174 static int gelic_wl_get_ap(struct net_device *netdev,
1175 struct iw_request_info *info,
1176 union iwreq_data *data, char *extra)
1177 {
1178 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1179 unsigned long irqflag;
1180
1181 pr_debug("%s: <-\n", __func__);
1182 mutex_lock(&wl->assoc_stat_lock);
1183 spin_lock_irqsave(&wl->lock, irqflag);
1184 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1185 data->ap_addr.sa_family = ARPHRD_ETHER;
1186 memcpy(data->ap_addr.sa_data, wl->active_bssid,
1187 ETH_ALEN);
1188 } else
1189 eth_zero_addr(data->ap_addr.sa_data);
1190
1191 spin_unlock_irqrestore(&wl->lock, irqflag);
1192 mutex_unlock(&wl->assoc_stat_lock);
1193 pr_debug("%s: ->\n", __func__);
1194 return 0;
1195 }
1196
1197 /* SIOC{S,G}IWENCODEEXT */
1198 static int gelic_wl_set_encodeext(struct net_device *netdev,
1199 struct iw_request_info *info,
1200 union iwreq_data *data, char *extra)
1201 {
1202 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1203 struct iw_point *enc = &data->encoding;
1204 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1205 __u16 alg;
1206 __u16 flags;
1207 unsigned long irqflag;
1208 int key_index;
1209 int ret = 0;
1210
1211 pr_debug("%s: <-\n", __func__);
1212 flags = enc->flags & IW_ENCODE_FLAGS;
1213 alg = ext->alg;
1214 key_index = enc->flags & IW_ENCODE_INDEX;
1215
1216 pr_debug("%s: key_index = %d\n", __func__, key_index);
1217 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1218 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1219 pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags);
1220 pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len);
1221
1222 if (GELIC_WEP_KEYS < key_index)
1223 return -EINVAL;
1224
1225 spin_lock_irqsave(&wl->lock, irqflag);
1226 if (key_index)
1227 key_index--;
1228 else
1229 key_index = wl->current_key;
1230
1231 if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) {
1232 /* reques to change default key index */
1233 pr_debug("%s: request to change default key to %d\n",
1234 __func__, key_index);
1235 wl->current_key = key_index;
1236 goto done;
1237 }
1238
1239 if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) {
1240 pr_debug("%s: alg disabled\n", __func__);
1241 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
1242 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1243 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
1244 wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */
1245 } else if (alg == IW_ENCODE_ALG_WEP) {
1246 pr_debug("%s: WEP requested\n", __func__);
1247 if (flags & IW_ENCODE_OPEN) {
1248 pr_debug("%s: open key mode\n", __func__);
1249 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1250 }
1251 if (flags & IW_ENCODE_RESTRICTED) {
1252 pr_debug("%s: shared key mode\n", __func__);
1253 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1254 }
1255 if (IW_ENCODING_TOKEN_MAX < ext->key_len) {
1256 pr_info("%s: key is too long %d\n", __func__,
1257 ext->key_len);
1258 ret = -EINVAL;
1259 goto done;
1260 }
1261 /* OK, update the key */
1262 wl->key_len[key_index] = ext->key_len;
1263 memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX);
1264 memcpy(wl->key[key_index], ext->key, ext->key_len);
1265 set_bit(key_index, &wl->key_enabled);
1266 /* remember wep info changed */
1267 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1268 } else if (alg == IW_ENCODE_ALG_PMK) {
1269 if (ext->key_len != WPA_PSK_LEN) {
1270 pr_err("%s: PSK length wrong %d\n", __func__,
1271 ext->key_len);
1272 ret = -EINVAL;
1273 goto done;
1274 }
1275 memset(wl->psk, 0, sizeof(wl->psk));
1276 memcpy(wl->psk, ext->key, ext->key_len);
1277 wl->psk_len = ext->key_len;
1278 wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
1279 /* remember PSK configured */
1280 set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
1281 }
1282 done:
1283 spin_unlock_irqrestore(&wl->lock, irqflag);
1284 pr_debug("%s: ->\n", __func__);
1285 return ret;
1286 }
1287
1288 static int gelic_wl_get_encodeext(struct net_device *netdev,
1289 struct iw_request_info *info,
1290 union iwreq_data *data, char *extra)
1291 {
1292 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1293 struct iw_point *enc = &data->encoding;
1294 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1295 unsigned long irqflag;
1296 int key_index;
1297 int ret = 0;
1298 int max_key_len;
1299
1300 pr_debug("%s: <-\n", __func__);
1301
1302 max_key_len = enc->length - sizeof(struct iw_encode_ext);
1303 if (max_key_len < 0)
1304 return -EINVAL;
1305 key_index = enc->flags & IW_ENCODE_INDEX;
1306
1307 pr_debug("%s: key_index = %d\n", __func__, key_index);
1308 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1309 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1310
1311 if (GELIC_WEP_KEYS < key_index)
1312 return -EINVAL;
1313
1314 spin_lock_irqsave(&wl->lock, irqflag);
1315 if (key_index)
1316 key_index--;
1317 else
1318 key_index = wl->current_key;
1319
1320 memset(ext, 0, sizeof(struct iw_encode_ext));
1321 switch (wl->group_cipher_method) {
1322 case GELIC_WL_CIPHER_WEP:
1323 ext->alg = IW_ENCODE_ALG_WEP;
1324 enc->flags |= IW_ENCODE_ENABLED;
1325 break;
1326 case GELIC_WL_CIPHER_TKIP:
1327 ext->alg = IW_ENCODE_ALG_TKIP;
1328 enc->flags |= IW_ENCODE_ENABLED;
1329 break;
1330 case GELIC_WL_CIPHER_AES:
1331 ext->alg = IW_ENCODE_ALG_CCMP;
1332 enc->flags |= IW_ENCODE_ENABLED;
1333 break;
1334 case GELIC_WL_CIPHER_NONE:
1335 default:
1336 ext->alg = IW_ENCODE_ALG_NONE;
1337 enc->flags |= IW_ENCODE_NOKEY;
1338 break;
1339 }
1340
1341 if (!(enc->flags & IW_ENCODE_NOKEY)) {
1342 if (max_key_len < wl->key_len[key_index]) {
1343 ret = -E2BIG;
1344 goto out;
1345 }
1346 if (test_bit(key_index, &wl->key_enabled))
1347 memcpy(ext->key, wl->key[key_index],
1348 wl->key_len[key_index]);
1349 else
1350 pr_debug("%s: disabled key requested ix=%d\n",
1351 __func__, key_index);
1352 }
1353 out:
1354 spin_unlock_irqrestore(&wl->lock, irqflag);
1355 pr_debug("%s: ->\n", __func__);
1356 return ret;
1357 }
1358 /* SIOC{S,G}IWMODE */
1359 static int gelic_wl_set_mode(struct net_device *netdev,
1360 struct iw_request_info *info,
1361 union iwreq_data *data, char *extra)
1362 {
1363 __u32 mode = data->mode;
1364 int ret;
1365
1366 pr_debug("%s: <-\n", __func__);
1367 if (mode == IW_MODE_INFRA)
1368 ret = 0;
1369 else
1370 ret = -EOPNOTSUPP;
1371 pr_debug("%s: -> %d\n", __func__, ret);
1372 return ret;
1373 }
1374
1375 static int gelic_wl_get_mode(struct net_device *netdev,
1376 struct iw_request_info *info,
1377 union iwreq_data *data, char *extra)
1378 {
1379 __u32 *mode = &data->mode;
1380 pr_debug("%s: <-\n", __func__);
1381 *mode = IW_MODE_INFRA;
1382 pr_debug("%s: ->\n", __func__);
1383 return 0;
1384 }
1385
1386 /* SIOCGIWNICKN */
1387 static int gelic_wl_get_nick(struct net_device *net_dev,
1388 struct iw_request_info *info,
1389 union iwreq_data *data, char *extra)
1390 {
1391 strcpy(extra, "gelic_wl");
1392 data->data.length = strlen(extra);
1393 data->data.flags = 1;
1394 return 0;
1395 }
1396
1397
1398 /* --- */
1399
1400 static struct iw_statistics *gelic_wl_get_wireless_stats(
1401 struct net_device *netdev)
1402 {
1403
1404 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1405 struct gelic_eurus_cmd *cmd;
1406 struct iw_statistics *is;
1407 struct gelic_eurus_rssi_info *rssi;
1408 void *buf;
1409
1410 pr_debug("%s: <-\n", __func__);
1411
1412 buf = (void *)__get_free_page(GFP_KERNEL);
1413 if (!buf)
1414 return NULL;
1415
1416 is = &wl->iwstat;
1417 memset(is, 0, sizeof(*is));
1418 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG,
1419 buf, sizeof(*rssi));
1420 if (cmd && !cmd->status && !cmd->cmd_status) {
1421 rssi = buf;
1422 is->qual.level = be16_to_cpu(rssi->rssi);
1423 is->qual.updated = IW_QUAL_LEVEL_UPDATED |
1424 IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
1425 } else
1426 /* not associated */
1427 is->qual.updated = IW_QUAL_ALL_INVALID;
1428
1429 kfree(cmd);
1430 free_page((unsigned long)buf);
1431 pr_debug("%s: ->\n", __func__);
1432 return is;
1433 }
1434
1435 /*
1436 * scanning helpers
1437 */
1438 static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
1439 u8 *essid, size_t essid_len)
1440 {
1441 struct gelic_eurus_cmd *cmd;
1442 int ret = 0;
1443 void *buf = NULL;
1444 size_t len;
1445
1446 pr_debug("%s: <- always=%d\n", __func__, always_scan);
1447 if (mutex_lock_interruptible(&wl->scan_lock))
1448 return -ERESTARTSYS;
1449
1450 /*
1451 * If already a scan in progress, do not trigger more
1452 */
1453 if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) {
1454 pr_debug("%s: scanning now\n", __func__);
1455 goto out;
1456 }
1457
1458 init_completion(&wl->scan_done);
1459 /*
1460 * If we have already a bss list, don't try to get new
1461 * unless we are doing an ESSID scan
1462 */
1463 if ((!essid_len && !always_scan)
1464 && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) {
1465 pr_debug("%s: already has the list\n", __func__);
1466 complete(&wl->scan_done);
1467 goto out;
1468 }
1469
1470 /* ESSID scan ? */
1471 if (essid_len && essid) {
1472 buf = (void *)__get_free_page(GFP_KERNEL);
1473 if (!buf) {
1474 ret = -ENOMEM;
1475 goto out;
1476 }
1477 len = IW_ESSID_MAX_SIZE; /* hypervisor always requires 32 */
1478 memset(buf, 0, len);
1479 memcpy(buf, essid, essid_len);
1480 pr_debug("%s: essid scan='%s'\n", __func__, (char *)buf);
1481 } else
1482 len = 0;
1483
1484 /*
1485 * issue start scan request
1486 */
1487 wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING;
1488 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN,
1489 buf, len);
1490 if (!cmd || cmd->status || cmd->cmd_status) {
1491 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1492 complete(&wl->scan_done);
1493 ret = -ENOMEM;
1494 goto out;
1495 }
1496 kfree(cmd);
1497 out:
1498 free_page((unsigned long)buf);
1499 mutex_unlock(&wl->scan_lock);
1500 pr_debug("%s: ->\n", __func__);
1501 return ret;
1502 }
1503
1504 /*
1505 * retrieve scan result from the chip (hypervisor)
1506 * this function is invoked by schedule work.
1507 */
1508 static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
1509 {
1510 struct gelic_eurus_cmd *cmd = NULL;
1511 struct gelic_wl_scan_info *target, *tmp;
1512 struct gelic_wl_scan_info *oldest = NULL;
1513 struct gelic_eurus_scan_info *scan_info;
1514 unsigned int scan_info_size;
1515 union iwreq_data data;
1516 unsigned long this_time = jiffies;
1517 unsigned int data_len, i, found, r;
1518 void *buf;
1519
1520 pr_debug("%s:start\n", __func__);
1521 mutex_lock(&wl->scan_lock);
1522
1523 buf = (void *)__get_free_page(GFP_KERNEL);
1524 if (!buf) {
1525 pr_info("%s: scan buffer alloc failed\n", __func__);
1526 goto out;
1527 }
1528
1529 if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
1530 /*
1531 * stop() may be called while scanning, ignore result
1532 */
1533 pr_debug("%s: scan complete when stat != scanning(%d)\n",
1534 __func__, wl->scan_stat);
1535 goto out;
1536 }
1537
1538 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN,
1539 buf, PAGE_SIZE);
1540 if (!cmd || cmd->status || cmd->cmd_status) {
1541 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1542 pr_info("%s:cmd failed\n", __func__);
1543 kfree(cmd);
1544 goto out;
1545 }
1546 data_len = cmd->size;
1547 pr_debug("%s: data_len = %d\n", __func__, data_len);
1548 kfree(cmd);
1549
1550 /* OK, bss list retrieved */
1551 wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST;
1552
1553 /* mark all entries are old */
1554 list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
1555 target->valid = 0;
1556 /* expire too old entries */
1557 if (time_before(target->last_scanned + wl->scan_age,
1558 this_time)) {
1559 kfree(target->hwinfo);
1560 target->hwinfo = NULL;
1561 list_move_tail(&target->list, &wl->network_free_list);
1562 }
1563 }
1564
1565 /* put them in the network_list */
1566 for (i = 0, scan_info_size = 0, scan_info = buf;
1567 scan_info_size < data_len;
1568 i++, scan_info_size += be16_to_cpu(scan_info->size),
1569 scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) {
1570 pr_debug("%s:size=%d bssid=%pM scan_info=%p\n", __func__,
1571 be16_to_cpu(scan_info->size),
1572 &scan_info->bssid[2], scan_info);
1573
1574 /*
1575 * The wireless firmware may return invalid channel 0 and/or
1576 * invalid rate if the AP emits zero length SSID ie. As this
1577 * scan information is useless, ignore it
1578 */
1579 if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) {
1580 pr_debug("%s: invalid scan info\n", __func__);
1581 continue;
1582 }
1583
1584 found = 0;
1585 oldest = NULL;
1586 list_for_each_entry(target, &wl->network_list, list) {
1587 if (ether_addr_equal(&target->hwinfo->bssid[2],
1588 &scan_info->bssid[2])) {
1589 found = 1;
1590 pr_debug("%s: same BBS found scanned list\n",
1591 __func__);
1592 break;
1593 }
1594 if (!oldest ||
1595 (target->last_scanned < oldest->last_scanned))
1596 oldest = target;
1597 }
1598
1599 if (!found) {
1600 /* not found in the list */
1601 if (list_empty(&wl->network_free_list)) {
1602 /* expire oldest */
1603 target = oldest;
1604 } else {
1605 target = list_entry(wl->network_free_list.next,
1606 struct gelic_wl_scan_info,
1607 list);
1608 }
1609 }
1610
1611 /* update the item */
1612 target->last_scanned = this_time;
1613 target->valid = 1;
1614 target->eurus_index = i;
1615 kfree(target->hwinfo);
1616 target->hwinfo = kmemdup(scan_info,
1617 be16_to_cpu(scan_info->size),
1618 GFP_KERNEL);
1619 if (!target->hwinfo)
1620 continue;
1621
1622 /* copy hw scan info */
1623 target->essid_len = strnlen(scan_info->essid,
1624 sizeof(scan_info->essid));
1625 target->rate_len = 0;
1626 for (r = 0; r < 12; r++)
1627 if (scan_info->rate[r])
1628 target->rate_len++;
1629 if (8 < target->rate_len)
1630 pr_info("%s: AP returns %d rates\n", __func__,
1631 target->rate_len);
1632 target->rate_ext_len = 0;
1633 for (r = 0; r < 16; r++)
1634 if (scan_info->ext_rate[r])
1635 target->rate_ext_len++;
1636 list_move_tail(&target->list, &wl->network_list);
1637 }
1638 memset(&data, 0, sizeof(data));
1639 wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,
1640 NULL);
1641 out:
1642 free_page((unsigned long)buf);
1643 complete(&wl->scan_done);
1644 mutex_unlock(&wl->scan_lock);
1645 pr_debug("%s:end\n", __func__);
1646 }
1647
1648 /*
1649 * Select an appropriate bss from current scan list regarding
1650 * current settings from userspace.
1651 * The caller must hold wl->scan_lock,
1652 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1653 */
1654 static void update_best(struct gelic_wl_scan_info **best,
1655 struct gelic_wl_scan_info *candid,
1656 int *best_weight,
1657 int *weight)
1658 {
1659 if (*best_weight < ++(*weight)) {
1660 *best_weight = *weight;
1661 *best = candid;
1662 }
1663 }
1664
1665 static
1666 struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl)
1667 {
1668 struct gelic_wl_scan_info *scan_info;
1669 struct gelic_wl_scan_info *best_bss;
1670 int weight, best_weight;
1671 u16 security;
1672
1673 pr_debug("%s: <-\n", __func__);
1674
1675 best_bss = NULL;
1676 best_weight = 0;
1677
1678 list_for_each_entry(scan_info, &wl->network_list, list) {
1679 pr_debug("%s: station %p\n", __func__, scan_info);
1680
1681 if (!scan_info->valid) {
1682 pr_debug("%s: station invalid\n", __func__);
1683 continue;
1684 }
1685
1686 /* If bss specified, check it only */
1687 if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) {
1688 if (ether_addr_equal(&scan_info->hwinfo->bssid[2],
1689 wl->bssid)) {
1690 best_bss = scan_info;
1691 pr_debug("%s: bssid matched\n", __func__);
1692 break;
1693 } else {
1694 pr_debug("%s: bssid unmatched\n", __func__);
1695 continue;
1696 }
1697 }
1698
1699 weight = 0;
1700
1701 /* security */
1702 security = be16_to_cpu(scan_info->hwinfo->security) &
1703 GELIC_EURUS_SCAN_SEC_MASK;
1704 if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1705 if (security == GELIC_EURUS_SCAN_SEC_WPA2)
1706 update_best(&best_bss, scan_info,
1707 &best_weight, &weight);
1708 else
1709 continue;
1710 } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) {
1711 if (security == GELIC_EURUS_SCAN_SEC_WPA)
1712 update_best(&best_bss, scan_info,
1713 &best_weight, &weight);
1714 else
1715 continue;
1716 } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE &&
1717 wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1718 if (security == GELIC_EURUS_SCAN_SEC_WEP)
1719 update_best(&best_bss, scan_info,
1720 &best_weight, &weight);
1721 else
1722 continue;
1723 }
1724
1725 /* If ESSID is set, check it */
1726 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
1727 if ((scan_info->essid_len == wl->essid_len) &&
1728 !strncmp(wl->essid,
1729 scan_info->hwinfo->essid,
1730 scan_info->essid_len))
1731 update_best(&best_bss, scan_info,
1732 &best_weight, &weight);
1733 else
1734 continue;
1735 }
1736 }
1737
1738 #ifdef DEBUG
1739 pr_debug("%s: -> bss=%p\n", __func__, best_bss);
1740 if (best_bss) {
1741 pr_debug("%s:addr=%pM\n", __func__,
1742 &best_bss->hwinfo->bssid[2]);
1743 }
1744 #endif
1745 return best_bss;
1746 }
1747
1748 /*
1749 * Setup WEP configuration to the chip
1750 * The caller must hold wl->scan_lock,
1751 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1752 */
1753 static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
1754 {
1755 unsigned int i;
1756 struct gelic_eurus_wep_cfg *wep;
1757 struct gelic_eurus_cmd *cmd;
1758 int wep104 = 0;
1759 int have_key = 0;
1760 int ret = 0;
1761
1762 pr_debug("%s: <-\n", __func__);
1763 /* we can assume no one should uses the buffer */
1764 wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL);
1765 if (!wep)
1766 return -ENOMEM;
1767
1768 memset(wep, 0, sizeof(*wep));
1769
1770 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1771 pr_debug("%s: WEP mode\n", __func__);
1772 for (i = 0; i < GELIC_WEP_KEYS; i++) {
1773 if (!test_bit(i, &wl->key_enabled))
1774 continue;
1775
1776 pr_debug("%s: key#%d enabled\n", __func__, i);
1777 have_key = 1;
1778 if (wl->key_len[i] == 13)
1779 wep104 = 1;
1780 else if (wl->key_len[i] != 5) {
1781 pr_info("%s: wrong wep key[%d]=%d\n",
1782 __func__, i, wl->key_len[i]);
1783 ret = -EINVAL;
1784 goto out;
1785 }
1786 memcpy(wep->key[i], wl->key[i], wl->key_len[i]);
1787 }
1788
1789 if (!have_key) {
1790 pr_info("%s: all wep key disabled\n", __func__);
1791 ret = -EINVAL;
1792 goto out;
1793 }
1794
1795 if (wep104) {
1796 pr_debug("%s: 104bit key\n", __func__);
1797 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT);
1798 } else {
1799 pr_debug("%s: 40bit key\n", __func__);
1800 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT);
1801 }
1802 } else {
1803 pr_debug("%s: NO encryption\n", __func__);
1804 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE);
1805 }
1806
1807 /* issue wep setup */
1808 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG,
1809 wep, sizeof(*wep));
1810 if (!cmd)
1811 ret = -ENOMEM;
1812 else if (cmd->status || cmd->cmd_status)
1813 ret = -ENXIO;
1814
1815 kfree(cmd);
1816 out:
1817 free_page((unsigned long)wep);
1818 pr_debug("%s: ->\n", __func__);
1819 return ret;
1820 }
1821
1822 #ifdef DEBUG
1823 static const char *wpasecstr(enum gelic_eurus_wpa_security sec)
1824 {
1825 switch (sec) {
1826 case GELIC_EURUS_WPA_SEC_NONE:
1827 return "NONE";
1828 case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP:
1829 return "WPA_TKIP_TKIP";
1830 case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES:
1831 return "WPA_TKIP_AES";
1832 case GELIC_EURUS_WPA_SEC_WPA_AES_AES:
1833 return "WPA_AES_AES";
1834 case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP:
1835 return "WPA2_TKIP_TKIP";
1836 case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES:
1837 return "WPA2_TKIP_AES";
1838 case GELIC_EURUS_WPA_SEC_WPA2_AES_AES:
1839 return "WPA2_AES_AES";
1840 }
1841 return "";
1842 };
1843 #endif
1844
1845 static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
1846 {
1847 struct gelic_eurus_wpa_cfg *wpa;
1848 struct gelic_eurus_cmd *cmd;
1849 u16 security;
1850 int ret = 0;
1851
1852 pr_debug("%s: <-\n", __func__);
1853 /* we can assume no one should uses the buffer */
1854 wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL);
1855 if (!wpa)
1856 return -ENOMEM;
1857
1858 memset(wpa, 0, sizeof(*wpa));
1859
1860 if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat))
1861 pr_info("%s: PSK not configured yet\n", __func__);
1862
1863 /* copy key */
1864 memcpy(wpa->psk, wl->psk, wl->psk_len);
1865
1866 /* set security level */
1867 if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1868 if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1869 security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES;
1870 } else {
1871 if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
1872 precise_ie())
1873 security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES;
1874 else
1875 security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP;
1876 }
1877 } else {
1878 if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1879 security = GELIC_EURUS_WPA_SEC_WPA_AES_AES;
1880 } else {
1881 if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
1882 precise_ie())
1883 security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES;
1884 else
1885 security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP;
1886 }
1887 }
1888 wpa->security = cpu_to_be16(security);
1889
1890 /* PSK type */
1891 wpa->psk_type = cpu_to_be16(wl->psk_type);
1892 #ifdef DEBUG
1893 pr_debug("%s: sec=%s psktype=%s\n", __func__,
1894 wpasecstr(wpa->security),
1895 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
1896 "BIN" : "passphrase");
1897 #if 0
1898 /*
1899 * don't enable here if you plan to submit
1900 * the debug log because this dumps your precious
1901 * passphrase/key.
1902 */
1903 pr_debug("%s: psk=%s\n", __func__,
1904 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
1905 "N/A" : wpa->psk);
1906 #endif
1907 #endif
1908 /* issue wpa setup */
1909 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG,
1910 wpa, sizeof(*wpa));
1911 if (!cmd)
1912 ret = -ENOMEM;
1913 else if (cmd->status || cmd->cmd_status)
1914 ret = -ENXIO;
1915 kfree(cmd);
1916 free_page((unsigned long)wpa);
1917 pr_debug("%s: --> %d\n", __func__, ret);
1918 return ret;
1919 }
1920
1921 /*
1922 * Start association. caller must hold assoc_stat_lock
1923 */
1924 static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
1925 struct gelic_wl_scan_info *bss)
1926 {
1927 struct gelic_eurus_cmd *cmd;
1928 struct gelic_eurus_common_cfg *common;
1929 int ret = 0;
1930 unsigned long rc;
1931
1932 pr_debug("%s: <-\n", __func__);
1933
1934 /* do common config */
1935 common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL);
1936 if (!common)
1937 return -ENOMEM;
1938
1939 memset(common, 0, sizeof(*common));
1940 common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA);
1941 common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG);
1942
1943 common->scan_index = cpu_to_be16(bss->eurus_index);
1944 switch (wl->auth_method) {
1945 case GELIC_EURUS_AUTH_OPEN:
1946 common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN);
1947 break;
1948 case GELIC_EURUS_AUTH_SHARED:
1949 common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED);
1950 break;
1951 }
1952
1953 #ifdef DEBUG
1954 scan_list_dump(wl);
1955 #endif
1956 pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__,
1957 be16_to_cpu(common->scan_index),
1958 be16_to_cpu(common->bss_type),
1959 be16_to_cpu(common->auth_method));
1960
1961 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG,
1962 common, sizeof(*common));
1963 if (!cmd || cmd->status || cmd->cmd_status) {
1964 ret = -ENOMEM;
1965 kfree(cmd);
1966 goto out;
1967 }
1968 kfree(cmd);
1969
1970 /* WEP/WPA */
1971 switch (wl->wpa_level) {
1972 case GELIC_WL_WPA_LEVEL_NONE:
1973 /* If WEP or no security, setup WEP config */
1974 ret = gelic_wl_do_wep_setup(wl);
1975 break;
1976 case GELIC_WL_WPA_LEVEL_WPA:
1977 case GELIC_WL_WPA_LEVEL_WPA2:
1978 ret = gelic_wl_do_wpa_setup(wl);
1979 break;
1980 }
1981
1982 if (ret) {
1983 pr_debug("%s: WEP/WPA setup failed %d\n", __func__,
1984 ret);
1985 ret = -EPERM;
1986 gelic_wl_send_iwap_event(wl, NULL);
1987 goto out;
1988 }
1989
1990 /* start association */
1991 init_completion(&wl->assoc_done);
1992 wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING;
1993 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC,
1994 NULL, 0);
1995 if (!cmd || cmd->status || cmd->cmd_status) {
1996 pr_debug("%s: assoc request failed\n", __func__);
1997 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
1998 kfree(cmd);
1999 ret = -ENOMEM;
2000 gelic_wl_send_iwap_event(wl, NULL);
2001 goto out;
2002 }
2003 kfree(cmd);
2004
2005 /* wait for connected event */
2006 rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/
2007
2008 if (!rc) {
2009 /* timeouted. Maybe key or cyrpt mode is wrong */
2010 pr_info("%s: connect timeout\n", __func__);
2011 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC,
2012 NULL, 0);
2013 kfree(cmd);
2014 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2015 gelic_wl_send_iwap_event(wl, NULL);
2016 ret = -ENXIO;
2017 } else {
2018 wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED;
2019 /* copy bssid */
2020 memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN);
2021
2022 /* send connect event */
2023 gelic_wl_send_iwap_event(wl, wl->active_bssid);
2024 pr_info("%s: connected\n", __func__);
2025 }
2026 out:
2027 free_page((unsigned long)common);
2028 pr_debug("%s: ->\n", __func__);
2029 return ret;
2030 }
2031
2032 /*
2033 * connected event
2034 */
2035 static void gelic_wl_connected_event(struct gelic_wl_info *wl,
2036 u64 event)
2037 {
2038 u64 desired_event = 0;
2039
2040 switch (wl->wpa_level) {
2041 case GELIC_WL_WPA_LEVEL_NONE:
2042 desired_event = GELIC_LV1_WL_EVENT_CONNECTED;
2043 break;
2044 case GELIC_WL_WPA_LEVEL_WPA:
2045 case GELIC_WL_WPA_LEVEL_WPA2:
2046 desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED;
2047 break;
2048 }
2049
2050 if (desired_event == event) {
2051 pr_debug("%s: completed\n", __func__);
2052 complete(&wl->assoc_done);
2053 netif_carrier_on(port_to_netdev(wl_port(wl)));
2054 } else
2055 pr_debug("%s: event %#llx under wpa\n",
2056 __func__, event);
2057 }
2058
2059 /*
2060 * disconnect event
2061 */
2062 static void gelic_wl_disconnect_event(struct gelic_wl_info *wl,
2063 u64 event)
2064 {
2065 struct gelic_eurus_cmd *cmd;
2066 int lock;
2067
2068 /*
2069 * If we fall here in the middle of association,
2070 * associate_bss() should be waiting for complation of
2071 * wl->assoc_done.
2072 * As it waits with timeout, just leave assoc_done
2073 * uncompleted, then it terminates with timeout
2074 */
2075 if (!mutex_trylock(&wl->assoc_stat_lock)) {
2076 pr_debug("%s: already locked\n", __func__);
2077 lock = 0;
2078 } else {
2079 pr_debug("%s: obtain lock\n", __func__);
2080 lock = 1;
2081 }
2082
2083 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2084 kfree(cmd);
2085
2086 /* send disconnected event to the supplicant */
2087 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2088 gelic_wl_send_iwap_event(wl, NULL);
2089
2090 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2091 netif_carrier_off(port_to_netdev(wl_port(wl)));
2092
2093 if (lock)
2094 mutex_unlock(&wl->assoc_stat_lock);
2095 }
2096 /*
2097 * event worker
2098 */
2099 #ifdef DEBUG
2100 static const char *eventstr(enum gelic_lv1_wl_event event)
2101 {
2102 static char buf[32];
2103 char *ret;
2104 if (event & GELIC_LV1_WL_EVENT_DEVICE_READY)
2105 ret = "EURUS_READY";
2106 else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED)
2107 ret = "SCAN_COMPLETED";
2108 else if (event & GELIC_LV1_WL_EVENT_DEAUTH)
2109 ret = "DEAUTH";
2110 else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST)
2111 ret = "BEACON_LOST";
2112 else if (event & GELIC_LV1_WL_EVENT_CONNECTED)
2113 ret = "CONNECTED";
2114 else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED)
2115 ret = "WPA_CONNECTED";
2116 else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR)
2117 ret = "WPA_ERROR";
2118 else {
2119 sprintf(buf, "Unknown(%#x)", event);
2120 ret = buf;
2121 }
2122 return ret;
2123 }
2124 #else
2125 static const char *eventstr(enum gelic_lv1_wl_event event)
2126 {
2127 return NULL;
2128 }
2129 #endif
2130 static void gelic_wl_event_worker(struct work_struct *work)
2131 {
2132 struct gelic_wl_info *wl;
2133 struct gelic_port *port;
2134 u64 event, tmp;
2135 int status;
2136
2137 pr_debug("%s:start\n", __func__);
2138 wl = container_of(work, struct gelic_wl_info, event_work.work);
2139 port = wl_port(wl);
2140 while (1) {
2141 status = lv1_net_control(bus_id(port->card), dev_id(port->card),
2142 GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0,
2143 &event, &tmp);
2144 if (status) {
2145 if (status != LV1_NO_ENTRY)
2146 pr_debug("%s:wlan event failed %d\n",
2147 __func__, status);
2148 /* got all events */
2149 pr_debug("%s:end\n", __func__);
2150 return;
2151 }
2152 pr_debug("%s: event=%s\n", __func__, eventstr(event));
2153 switch (event) {
2154 case GELIC_LV1_WL_EVENT_SCAN_COMPLETED:
2155 gelic_wl_scan_complete_event(wl);
2156 break;
2157 case GELIC_LV1_WL_EVENT_BEACON_LOST:
2158 case GELIC_LV1_WL_EVENT_DEAUTH:
2159 gelic_wl_disconnect_event(wl, event);
2160 break;
2161 case GELIC_LV1_WL_EVENT_CONNECTED:
2162 case GELIC_LV1_WL_EVENT_WPA_CONNECTED:
2163 gelic_wl_connected_event(wl, event);
2164 break;
2165 default:
2166 break;
2167 }
2168 } /* while */
2169 }
2170 /*
2171 * association worker
2172 */
2173 static void gelic_wl_assoc_worker(struct work_struct *work)
2174 {
2175 struct gelic_wl_info *wl;
2176
2177 struct gelic_wl_scan_info *best_bss;
2178 int ret;
2179 unsigned long irqflag;
2180 u8 *essid;
2181 size_t essid_len;
2182
2183 wl = container_of(work, struct gelic_wl_info, assoc_work.work);
2184
2185 mutex_lock(&wl->assoc_stat_lock);
2186
2187 if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN)
2188 goto out;
2189
2190 spin_lock_irqsave(&wl->lock, irqflag);
2191 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
2192 pr_debug("%s: assoc ESSID configured %s\n", __func__,
2193 wl->essid);
2194 essid = wl->essid;
2195 essid_len = wl->essid_len;
2196 } else {
2197 essid = NULL;
2198 essid_len = 0;
2199 }
2200 spin_unlock_irqrestore(&wl->lock, irqflag);
2201
2202 ret = gelic_wl_start_scan(wl, 0, essid, essid_len);
2203 if (ret == -ERESTARTSYS) {
2204 pr_debug("%s: scan start failed association\n", __func__);
2205 schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/
2206 goto out;
2207 } else if (ret) {
2208 pr_info("%s: scan prerequisite failed\n", __func__);
2209 goto out;
2210 }
2211
2212 /*
2213 * Wait for bss scan completion
2214 * If we have scan list already, gelic_wl_start_scan()
2215 * returns OK and raises the complete. Thus,
2216 * it's ok to wait unconditionally here
2217 */
2218 wait_for_completion(&wl->scan_done);
2219
2220 pr_debug("%s: scan done\n", __func__);
2221 mutex_lock(&wl->scan_lock);
2222 if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
2223 gelic_wl_send_iwap_event(wl, NULL);
2224 pr_info("%s: no scan list. association failed\n", __func__);
2225 goto scan_lock_out;
2226 }
2227
2228 /* find best matching bss */
2229 best_bss = gelic_wl_find_best_bss(wl);
2230 if (!best_bss) {
2231 gelic_wl_send_iwap_event(wl, NULL);
2232 pr_info("%s: no bss matched. association failed\n", __func__);
2233 goto scan_lock_out;
2234 }
2235
2236 /* ok, do association */
2237 ret = gelic_wl_associate_bss(wl, best_bss);
2238 if (ret)
2239 pr_info("%s: association failed %d\n", __func__, ret);
2240 scan_lock_out:
2241 mutex_unlock(&wl->scan_lock);
2242 out:
2243 mutex_unlock(&wl->assoc_stat_lock);
2244 }
2245 /*
2246 * Interrupt handler
2247 * Called from the ethernet interrupt handler
2248 * Processes wireless specific virtual interrupts only
2249 */
2250 void gelic_wl_interrupt(struct net_device *netdev, u64 status)
2251 {
2252 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2253
2254 if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) {
2255 pr_debug("%s:cmd complete\n", __func__);
2256 complete(&wl->cmd_done_intr);
2257 }
2258
2259 if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) {
2260 pr_debug("%s:event received\n", __func__);
2261 queue_delayed_work(wl->event_queue, &wl->event_work, 0);
2262 }
2263 }
2264
2265 /*
2266 * driver helpers
2267 */
2268 static const iw_handler gelic_wl_wext_handler[] =
2269 {
2270 IW_HANDLER(SIOCGIWNAME, gelic_wl_get_name),
2271 IW_HANDLER(SIOCGIWRANGE, gelic_wl_get_range),
2272 IW_HANDLER(SIOCSIWSCAN, gelic_wl_set_scan),
2273 IW_HANDLER(SIOCGIWSCAN, gelic_wl_get_scan),
2274 IW_HANDLER(SIOCSIWAUTH, gelic_wl_set_auth),
2275 IW_HANDLER(SIOCGIWAUTH, gelic_wl_get_auth),
2276 IW_HANDLER(SIOCSIWESSID, gelic_wl_set_essid),
2277 IW_HANDLER(SIOCGIWESSID, gelic_wl_get_essid),
2278 IW_HANDLER(SIOCSIWENCODE, gelic_wl_set_encode),
2279 IW_HANDLER(SIOCGIWENCODE, gelic_wl_get_encode),
2280 IW_HANDLER(SIOCSIWAP, gelic_wl_set_ap),
2281 IW_HANDLER(SIOCGIWAP, gelic_wl_get_ap),
2282 IW_HANDLER(SIOCSIWENCODEEXT, gelic_wl_set_encodeext),
2283 IW_HANDLER(SIOCGIWENCODEEXT, gelic_wl_get_encodeext),
2284 IW_HANDLER(SIOCSIWMODE, gelic_wl_set_mode),
2285 IW_HANDLER(SIOCGIWMODE, gelic_wl_get_mode),
2286 IW_HANDLER(SIOCGIWNICKN, gelic_wl_get_nick),
2287 };
2288
2289 static const struct iw_handler_def gelic_wl_wext_handler_def = {
2290 .num_standard = ARRAY_SIZE(gelic_wl_wext_handler),
2291 .standard = gelic_wl_wext_handler,
2292 .get_wireless_stats = gelic_wl_get_wireless_stats,
2293 };
2294
2295 static struct net_device *gelic_wl_alloc(struct gelic_card *card)
2296 {
2297 struct net_device *netdev;
2298 struct gelic_port *port;
2299 struct gelic_wl_info *wl;
2300 unsigned int i;
2301
2302 pr_debug("%s:start\n", __func__);
2303 netdev = alloc_etherdev(sizeof(struct gelic_port) +
2304 sizeof(struct gelic_wl_info));
2305 pr_debug("%s: netdev =%p card=%p\n", __func__, netdev, card);
2306 if (!netdev)
2307 return NULL;
2308
2309 strcpy(netdev->name, "wlan%d");
2310
2311 port = netdev_priv(netdev);
2312 port->netdev = netdev;
2313 port->card = card;
2314 port->type = GELIC_PORT_WIRELESS;
2315
2316 wl = port_wl(port);
2317 pr_debug("%s: wl=%p port=%p\n", __func__, wl, port);
2318
2319 /* allocate scan list */
2320 wl->networks = kcalloc(GELIC_WL_BSS_MAX_ENT,
2321 sizeof(struct gelic_wl_scan_info),
2322 GFP_KERNEL);
2323
2324 if (!wl->networks)
2325 goto fail_bss;
2326
2327 wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd");
2328 if (!wl->eurus_cmd_queue)
2329 goto fail_cmd_workqueue;
2330
2331 wl->event_queue = create_singlethread_workqueue("gelic_event");
2332 if (!wl->event_queue)
2333 goto fail_event_workqueue;
2334
2335 INIT_LIST_HEAD(&wl->network_free_list);
2336 INIT_LIST_HEAD(&wl->network_list);
2337 for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++)
2338 list_add_tail(&wl->networks[i].list,
2339 &wl->network_free_list);
2340 init_completion(&wl->cmd_done_intr);
2341
2342 INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
2343 INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
2344 mutex_init(&wl->scan_lock);
2345 mutex_init(&wl->assoc_stat_lock);
2346
2347 init_completion(&wl->scan_done);
2348 /* for the case that no scan request is issued and stop() is called */
2349 complete(&wl->scan_done);
2350
2351 spin_lock_init(&wl->lock);
2352
2353 wl->scan_age = 5*HZ; /* FIXME */
2354
2355 /* buffer for receiving scanned list etc */
2356 BUILD_BUG_ON(PAGE_SIZE <
2357 sizeof(struct gelic_eurus_scan_info) *
2358 GELIC_EURUS_MAX_SCAN);
2359 pr_debug("%s:end\n", __func__);
2360 return netdev;
2361
2362 fail_event_workqueue:
2363 destroy_workqueue(wl->eurus_cmd_queue);
2364 fail_cmd_workqueue:
2365 kfree(wl->networks);
2366 fail_bss:
2367 free_netdev(netdev);
2368 pr_debug("%s:end error\n", __func__);
2369 return NULL;
2370
2371 }
2372
2373 static void gelic_wl_free(struct gelic_wl_info *wl)
2374 {
2375 struct gelic_wl_scan_info *scan_info;
2376 unsigned int i;
2377
2378 pr_debug("%s: <-\n", __func__);
2379
2380 pr_debug("%s: destroy queues\n", __func__);
2381 destroy_workqueue(wl->eurus_cmd_queue);
2382 destroy_workqueue(wl->event_queue);
2383
2384 scan_info = wl->networks;
2385 for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++)
2386 kfree(scan_info->hwinfo);
2387 kfree(wl->networks);
2388
2389 free_netdev(port_to_netdev(wl_port(wl)));
2390
2391 pr_debug("%s: ->\n", __func__);
2392 }
2393
2394 static int gelic_wl_try_associate(struct net_device *netdev)
2395 {
2396 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2397 int ret = -1;
2398 unsigned int i;
2399
2400 pr_debug("%s: <-\n", __func__);
2401
2402 /* check constraits for start association */
2403 /* for no access restriction AP */
2404 if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) {
2405 if (test_bit(GELIC_WL_STAT_CONFIGURED,
2406 &wl->stat))
2407 goto do_associate;
2408 else {
2409 pr_debug("%s: no wep, not configured\n", __func__);
2410 return ret;
2411 }
2412 }
2413
2414 /* for WEP, one of four keys should be set */
2415 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
2416 /* one of keys set */
2417 for (i = 0; i < GELIC_WEP_KEYS; i++) {
2418 if (test_bit(i, &wl->key_enabled))
2419 goto do_associate;
2420 }
2421 pr_debug("%s: WEP, but no key specified\n", __func__);
2422 return ret;
2423 }
2424
2425 /* for WPA[2], psk should be set */
2426 if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) ||
2427 (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) {
2428 if (test_bit(GELIC_WL_STAT_WPA_PSK_SET,
2429 &wl->stat))
2430 goto do_associate;
2431 else {
2432 pr_debug("%s: AES/TKIP, but PSK not configured\n",
2433 __func__);
2434 return ret;
2435 }
2436 }
2437
2438 do_associate:
2439 ret = schedule_delayed_work(&wl->assoc_work, 0);
2440 pr_debug("%s: start association work %d\n", __func__, ret);
2441 return ret;
2442 }
2443
2444 /*
2445 * netdev handlers
2446 */
2447 static int gelic_wl_open(struct net_device *netdev)
2448 {
2449 struct gelic_card *card = netdev_card(netdev);
2450
2451 pr_debug("%s:->%p\n", __func__, netdev);
2452
2453 gelic_card_up(card);
2454
2455 /* try to associate */
2456 gelic_wl_try_associate(netdev);
2457
2458 netif_start_queue(netdev);
2459
2460 pr_debug("%s:<-\n", __func__);
2461 return 0;
2462 }
2463
2464 /*
2465 * reset state machine
2466 */
2467 static int gelic_wl_reset_state(struct gelic_wl_info *wl)
2468 {
2469 struct gelic_wl_scan_info *target;
2470 struct gelic_wl_scan_info *tmp;
2471
2472 /* empty scan list */
2473 list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
2474 list_move_tail(&target->list, &wl->network_free_list);
2475 }
2476 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
2477
2478 /* clear configuration */
2479 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
2480 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
2481 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
2482 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
2483
2484 wl->key_enabled = 0;
2485 wl->current_key = 0;
2486
2487 wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
2488 wl->psk_len = 0;
2489
2490 wl->essid_len = 0;
2491 memset(wl->essid, 0, sizeof(wl->essid));
2492 memset(wl->bssid, 0, sizeof(wl->bssid));
2493 memset(wl->active_bssid, 0, sizeof(wl->active_bssid));
2494
2495 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2496
2497 memset(&wl->iwstat, 0, sizeof(wl->iwstat));
2498 /* all status bit clear */
2499 wl->stat = 0;
2500 return 0;
2501 }
2502
2503 /*
2504 * Tell eurus to terminate association
2505 */
2506 static void gelic_wl_disconnect(struct net_device *netdev)
2507 {
2508 struct gelic_port *port = netdev_priv(netdev);
2509 struct gelic_wl_info *wl = port_wl(port);
2510 struct gelic_eurus_cmd *cmd;
2511
2512 /*
2513 * If scann process is running on chip,
2514 * further requests will be rejected
2515 */
2516 if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING)
2517 wait_for_completion_timeout(&wl->scan_done, HZ);
2518
2519 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2520 kfree(cmd);
2521 gelic_wl_send_iwap_event(wl, NULL);
2522 };
2523
2524 static int gelic_wl_stop(struct net_device *netdev)
2525 {
2526 struct gelic_port *port = netdev_priv(netdev);
2527 struct gelic_wl_info *wl = port_wl(port);
2528 struct gelic_card *card = netdev_card(netdev);
2529
2530 pr_debug("%s:<-\n", __func__);
2531
2532 /*
2533 * Cancel pending association work.
2534 * event work can run after netdev down
2535 */
2536 cancel_delayed_work(&wl->assoc_work);
2537
2538 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2539 gelic_wl_disconnect(netdev);
2540
2541 /* reset our state machine */
2542 gelic_wl_reset_state(wl);
2543
2544 netif_stop_queue(netdev);
2545
2546 gelic_card_down(card);
2547
2548 pr_debug("%s:->\n", __func__);
2549 return 0;
2550 }
2551
2552 /* -- */
2553
2554 static const struct net_device_ops gelic_wl_netdevice_ops = {
2555 .ndo_open = gelic_wl_open,
2556 .ndo_stop = gelic_wl_stop,
2557 .ndo_start_xmit = gelic_net_xmit,
2558 .ndo_set_rx_mode = gelic_net_set_multi,
2559 .ndo_tx_timeout = gelic_net_tx_timeout,
2560 .ndo_set_mac_address = eth_mac_addr,
2561 .ndo_validate_addr = eth_validate_addr,
2562 #ifdef CONFIG_NET_POLL_CONTROLLER
2563 .ndo_poll_controller = gelic_net_poll_controller,
2564 #endif
2565 };
2566
2567 static const struct ethtool_ops gelic_wl_ethtool_ops = {
2568 .get_drvinfo = gelic_net_get_drvinfo,
2569 .get_link = gelic_wl_get_link,
2570 };
2571
2572 static void gelic_wl_setup_netdev_ops(struct net_device *netdev)
2573 {
2574 struct gelic_wl_info *wl;
2575 wl = port_wl(netdev_priv(netdev));
2576 BUG_ON(!wl);
2577 netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT;
2578
2579 netdev->ethtool_ops = &gelic_wl_ethtool_ops;
2580 netdev->netdev_ops = &gelic_wl_netdevice_ops;
2581 netdev->wireless_data = &wl->wireless_data;
2582 netdev->wireless_handlers = &gelic_wl_wext_handler_def;
2583 }
2584
2585 /*
2586 * driver probe/remove
2587 */
2588 int gelic_wl_driver_probe(struct gelic_card *card)
2589 {
2590 int ret;
2591 struct net_device *netdev;
2592
2593 pr_debug("%s:start\n", __func__);
2594
2595 if (ps3_compare_firmware_version(1, 6, 0) < 0)
2596 return 0;
2597 if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2598 return 0;
2599
2600 /* alloc netdevice for wireless */
2601 netdev = gelic_wl_alloc(card);
2602 if (!netdev)
2603 return -ENOMEM;
2604
2605 /* setup net_device structure */
2606 SET_NETDEV_DEV(netdev, &card->dev->core);
2607 gelic_wl_setup_netdev_ops(netdev);
2608
2609 /* setup some of net_device and register it */
2610 ret = gelic_net_setup_netdev(netdev, card);
2611 if (ret)
2612 goto fail_setup;
2613 card->netdev[GELIC_PORT_WIRELESS] = netdev;
2614
2615 /* add enable wireless interrupt */
2616 card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED |
2617 GELIC_CARD_WLAN_COMMAND_COMPLETED;
2618 /* to allow wireless commands while both interfaces are down */
2619 gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED |
2620 GELIC_CARD_WLAN_COMMAND_COMPLETED);
2621 pr_debug("%s:end\n", __func__);
2622 return 0;
2623
2624 fail_setup:
2625 gelic_wl_free(port_wl(netdev_port(netdev)));
2626
2627 return ret;
2628 }
2629
2630 int gelic_wl_driver_remove(struct gelic_card *card)
2631 {
2632 struct gelic_wl_info *wl;
2633 struct net_device *netdev;
2634
2635 pr_debug("%s:start\n", __func__);
2636
2637 if (ps3_compare_firmware_version(1, 6, 0) < 0)
2638 return 0;
2639 if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2640 return 0;
2641
2642 netdev = card->netdev[GELIC_PORT_WIRELESS];
2643 wl = port_wl(netdev_priv(netdev));
2644
2645 /* if the interface was not up, but associated */
2646 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2647 gelic_wl_disconnect(netdev);
2648
2649 complete(&wl->cmd_done_intr);
2650
2651 /* cancel all work queue */
2652 cancel_delayed_work(&wl->assoc_work);
2653 cancel_delayed_work(&wl->event_work);
2654 flush_workqueue(wl->eurus_cmd_queue);
2655 flush_workqueue(wl->event_queue);
2656
2657 unregister_netdev(netdev);
2658
2659 /* disable wireless interrupt */
2660 pr_debug("%s: disable intr\n", __func__);
2661 card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED |
2662 GELIC_CARD_WLAN_COMMAND_COMPLETED);
2663 /* free bss list, netdev*/
2664 gelic_wl_free(wl);
2665 pr_debug("%s:end\n", __func__);
2666 return 0;
2667 }
Linux with added FPC-III support