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wireless: drivers: make use of WLAN_EID_VENDOR_SPECIFIC
[linux-2.6-block.git] / drivers / net / ethernet / toshiba / ps3_gelic_wireless.c
CommitLineData
09dde54c
MM		 1/*
2 * PS3 gelic network driver.
3 *
4 * Copyright (C) 2007 Sony Computer Entertainment Inc.
5 * Copyright 2007 Sony Corporation
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2
9 * as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#undef DEBUG
21
22#include <linux/kernel.h>
23#include <linux/module.h>
5a0e3ad6 24#include <linux/slab.h>
09dde54c
MM		 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>
2c706002
JB		 34#include <linux/ieee80211.h>
35#include <linux/if_arp.h>
09dde54c
MM		 36#include <linux/ctype.h>
37#include <linux/string.h>
38#include <net/iw_handler.h>
09dde54c
MM		 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
7fd871ed
MM		 50static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
51 u8 *essid, size_t essid_len);
09dde54c
MM		 52static int gelic_wl_try_associate(struct net_device *netdev);
53
54/*
55 * tables
56 */
57
58/* 802.11b/g channel to freq in MHz */
59static 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 */
67static 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 */
86static inline int wpa2_capable(void)
87{
807540ba 88 return 0 <= ps3_compare_firmware_version(2, 0, 0);
09dde54c
MM		 89}
90
91static inline int precise_ie(void)
92{
807540ba 93 return 0 <= ps3_compare_firmware_version(2, 2, 0);
09dde54c
MM		 94}
95/*
96 * post_eurus_cmd helpers
97 */
98struct eurus_cmd_arg_info {
f77f13e2 99 int pre_arg; /* command requires arg1, arg2 at POST COMMAND */
09dde54c
MM		 100 int post_arg; /* command requires arg1, arg2 at GET_RESULT */
101};
102
103static 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},
7fd871ed 111 [GELIC_EURUS_CMD_START_SCAN] = { .pre_arg = 1},
09dde54c
MM		 112 [GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1},
113};
114
115#ifdef DEBUG
116static 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
147static inline const char *cmdstr(enum gelic_eurus_command ix)
148{
149 return "";
150}
151#endif
152
153/* synchronously do eurus commands */
154static 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) {
7fd871ed
MM		 170 arg1 = (cmd->buffer) ?
171 ps3_mm_phys_to_lpar(__pa(cmd->buffer)) :
172 0;
09dde54c
MM		 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
216static 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
243static 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__);
bb2d67a3 249 mutex_lock(&wl->assoc_stat_lock);
09dde54c
MM		 250 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
251 ret = 1;
252 else
253 ret = 0;
bb2d67a3 254 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 255 pr_debug("%s: ->\n", __func__);
256 return ret;
257}
258
259static 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 */
276static 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
284static 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 }
09dde54c
MM		 304}
305
306/* SIOGIWRANGE */
307static int gelic_wl_get_range(struct net_device *netdev,
308 struct iw_request_info *info,
309 union iwreq_data *iwreq, char *extra)
310{
311 struct iw_point *point = &iwreq->data;
312 struct iw_range *range = (struct iw_range *)extra;
313 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
314 unsigned int i, chs;
315
316 pr_debug("%s: <-\n", __func__);
317 point->length = sizeof(struct iw_range);
318 memset(range, 0, sizeof(struct iw_range));
319
320 range->we_version_compiled = WIRELESS_EXT;
321 range->we_version_source = 22;
322
323 /* available channels and frequencies */
324 gelic_wl_get_ch_info(wl);
325
326 for (i = 0, chs = 0;
327 i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++)
328 if (wl->ch_info & (1 << i)) {
329 range->freq[chs].i = i + 1;
330 range->freq[chs].m = channel_freq[i];
331 range->freq[chs].e = 6;
332 chs++;
333 }
334 range->num_frequency = chs;
335 range->old_num_frequency = chs;
336 range->num_channels = chs;
337 range->old_num_channels = chs;
338
339 /* bitrates */
340 for (i = 0; i < NUM_BITRATES; i++)
341 range->bitrate[i] = bitrate_list[i];
342 range->num_bitrates = i;
343
344 /* signal levels */
345 range->max_qual.qual = 100; /* relative value */
346 range->max_qual.level = 100;
347 range->avg_qual.qual = 50;
348 range->avg_qual.level = 50;
349 range->sensitivity = 0;
350
351 /* Event capability */
352 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
353 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
354 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
355
356 /* encryption capability */
357 range->enc_capa = IW_ENC_CAPA_WPA |
04b2046c
MM		 358 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP |
359 IW_ENC_CAPA_4WAY_HANDSHAKE;
09dde54c
MM		 360 if (wpa2_capable())
361 range->enc_capa |= IW_ENC_CAPA_WPA2;
362 range->encoding_size[0] = 5; /* 40bit WEP */
363 range->encoding_size[1] = 13; /* 104bit WEP */
364 range->encoding_size[2] = 32; /* WPA-PSK */
365 range->num_encoding_sizes = 3;
366 range->max_encoding_tokens = GELIC_WEP_KEYS;
367
7fd871ed
MM		 368 /* scan capability */
369 range->scan_capa = IW_SCAN_CAPA_ESSID;
370
09dde54c
MM		 371 pr_debug("%s: ->\n", __func__);
372 return 0;
373
374}
375
376/* SIOC{G,S}IWSCAN */
377static int gelic_wl_set_scan(struct net_device *netdev,
378 struct iw_request_info *info,
379 union iwreq_data *wrqu, char *extra)
380{
381 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
7fd871ed
MM		 382 struct iw_scan_req *req;
383 u8 *essid = NULL;
384 size_t essid_len = 0;
385
386 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
387 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
388 req = (struct iw_scan_req*)extra;
389 essid = req->essid;
390 essid_len = req->essid_len;
391 pr_debug("%s: ESSID scan =%s\n", __func__, essid);
392 }
393 return gelic_wl_start_scan(wl, 1, essid, essid_len);
09dde54c
MM		 394}
395
396#define OUI_LEN 3
397static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac };
398static 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 */
405static size_t gelic_wl_synthesize_ie(u8 *buf,
406 struct gelic_eurus_scan_info *scan)
407{
408
409 const u8 *oui_header;
410 u8 *start = buf;
411 int rsn;
412 int ccmp;
413
414 pr_debug("%s: <- sec=%16x\n", __func__, scan->security);
415 switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) {
416 case GELIC_EURUS_SCAN_SEC_WPA:
417 rsn = 0;
418 break;
419 case GELIC_EURUS_SCAN_SEC_WPA2:
420 rsn = 1;
421 break;
422 default:
423 /* WEP or none. No IE returned */
424 return 0;
425 }
426
427 switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) {
428 case GELIC_EURUS_SCAN_SEC_WPA_TKIP:
429 ccmp = 0;
430 break;
431 case GELIC_EURUS_SCAN_SEC_WPA_AES:
432 ccmp = 1;
433 break;
434 default:
435 if (rsn) {
436 ccmp = 1;
437 pr_info("%s: no cipher info. defaulted to CCMP\n",
438 __func__);
439 } else {
440 ccmp = 0;
441 pr_info("%s: no cipher info. defaulted to TKIP\n",
442 __func__);
443 }
444 }
445
446 if (rsn)
447 oui_header = rsn_oui;
448 else
449 oui_header = wpa_oui;
450
451 /* element id */
452 if (rsn)
2c706002 453 *buf++ = WLAN_EID_RSN;
09dde54c 454 else
2c706002 455 *buf++ = WLAN_EID_GENERIC;
09dde54c
MM		 456
457 /* length filed; set later */
458 buf++;
459
460 /* wpa special header */
461 if (!rsn) {
462 memcpy(buf, wpa_oui, OUI_LEN);
463 buf += OUI_LEN;
464 *buf++ = 0x01;
465 }
466
467 /* version */
468 *buf++ = 0x01; /* version 1.0 */
469 *buf++ = 0x00;
470
471 /* group cipher */
472 memcpy(buf, oui_header, OUI_LEN);
473 buf += OUI_LEN;
474
475 if (ccmp)
476 *buf++ = 0x04; /* CCMP */
477 else
478 *buf++ = 0x02; /* TKIP */
479
480 /* pairwise key count always 1 */
481 *buf++ = 0x01;
482 *buf++ = 0x00;
483
484 /* pairwise key suit */
485 memcpy(buf, oui_header, OUI_LEN);
486 buf += OUI_LEN;
487 if (ccmp)
488 *buf++ = 0x04; /* CCMP */
489 else
490 *buf++ = 0x02; /* TKIP */
491
492 /* AKM count is 1 */
493 *buf++ = 0x01;
494 *buf++ = 0x00;
495
496 /* AKM suite is assumed as PSK*/
497 memcpy(buf, oui_header, OUI_LEN);
498 buf += OUI_LEN;
499 *buf++ = 0x02; /* PSK */
500
501 /* RSN capabilities is 0 */
502 *buf++ = 0x00;
503 *buf++ = 0x00;
504
505 /* set length field */
506 start[1] = (buf - start - 2);
507
508 pr_debug("%s: ->\n", __func__);
807540ba 509 return buf - start;
09dde54c
MM		 510}
511
512struct ie_item {
513 u8 *data;
514 u8 len;
515};
516
517struct ie_info {
518 struct ie_item wpa;
519 struct ie_item rsn;
520};
521
522static 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
583d077d 530 pr_debug("%s: data=%p len=%ld\n", __func__,
09dde54c
MM		 531 data, len);
532 memset(ie_info, 0, sizeof(struct ie_info));
533
b358492c 534 while (2 <= data_left) {
09dde54c
MM		 535 item_id = *pos++;
536 item_len = *pos++;
b358492c
MM		 537 data_left -= 2;
538
539 if (data_left < item_len)
540 break;
09dde54c
MM		 541
542 switch (item_id) {
2c706002 543 case WLAN_EID_GENERIC:
b358492c
MM		 544 if ((OUI_LEN + 1 <= item_len) &&
545 !memcmp(pos, wpa_oui, OUI_LEN) &&
09dde54c
MM		 546 pos[OUI_LEN] == 0x01) {
547 ie_info->wpa.data = pos - 2;
548 ie_info->wpa.len = item_len + 2;
549 }
550 break;
2c706002 551 case WLAN_EID_RSN:
09dde54c
MM		 552 ie_info->rsn.data = pos - 2;
553 /* length includes the header */
554 ie_info->rsn.len = item_len + 2;
555 break;
556 default:
557 pr_debug("%s: ignore %#x,%d\n", __func__,
558 item_id, item_len);
559 break;
560 }
561 pos += item_len;
b358492c 562 data_left -= item_len;
09dde54c
MM		 563 }
564 pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__,
565 ie_info->wpa.data, ie_info->wpa.len,
566 ie_info->rsn.data, ie_info->rsn.len);
567}
568
569
570/*
571 * translate the scan informations from hypervisor to a
572 * independent format
573 */
574static char *gelic_wl_translate_scan(struct net_device *netdev,
ccc58057 575 struct iw_request_info *info,
09dde54c
MM		 576 char *ev,
577 char *stop,
578 struct gelic_wl_scan_info *network)
579{
580 struct iw_event iwe;
581 struct gelic_eurus_scan_info *scan = network->hwinfo;
582 char *tmp;
583 u8 rate;
584 unsigned int i, j, len;
2c706002 585 u8 buf[64]; /* arbitrary size large enough */
09dde54c
MM		 586
587 pr_debug("%s: <-\n", __func__);
588
589 /* first entry should be AP's mac address */
590 iwe.cmd = SIOCGIWAP;
591 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
592 memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN);
ccc58057 593 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_ADDR_LEN);
09dde54c
MM		 594
595 /* ESSID */
596 iwe.cmd = SIOCGIWESSID;
597 iwe.u.data.flags = 1;
598 iwe.u.data.length = strnlen(scan->essid, 32);
ccc58057 599 ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
09dde54c
MM		 600
601 /* FREQUENCY */
602 iwe.cmd = SIOCGIWFREQ;
603 iwe.u.freq.m = be16_to_cpu(scan->channel);
604 iwe.u.freq.e = 0; /* table value in MHz */
605 iwe.u.freq.i = 0;
ccc58057 606 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_FREQ_LEN);
09dde54c
MM		 607
608 /* RATES */
609 iwe.cmd = SIOCGIWRATE;
610 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
611 /* to stuff multiple values in one event */
ccc58057 612 tmp = ev + iwe_stream_lcp_len(info);
09dde54c
MM		 613 /* put them in ascendant order (older is first) */
614 i = 0;
615 j = 0;
616 pr_debug("%s: rates=%d rate=%d\n", __func__,
617 network->rate_len, network->rate_ext_len);
618 while (i < network->rate_len) {
619 if (j < network->rate_ext_len &&
620 ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f)))
621 rate = scan->ext_rate[j++] & 0x7f;
622 else
623 rate = scan->rate[i++] & 0x7f;
624 iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */
ccc58057 625 tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
09dde54c
MM		 626 IW_EV_PARAM_LEN);
627 }
628 while (j < network->rate_ext_len) {
629 iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000;
ccc58057 630 tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
09dde54c
MM		 631 IW_EV_PARAM_LEN);
632 }
633 /* Check if we added any rate */
ccc58057 634 if (iwe_stream_lcp_len(info) < (tmp - ev))
09dde54c
MM		 635 ev = tmp;
636
637 /* ENCODE */
638 iwe.cmd = SIOCGIWENCODE;
639 if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY)
640 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
641 else
642 iwe.u.data.flags = IW_ENCODE_DISABLED;
643 iwe.u.data.length = 0;
ccc58057 644 ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
09dde54c
MM		 645
646 /* MODE */
647 iwe.cmd = SIOCGIWMODE;
648 if (be16_to_cpu(scan->capability) &
649 (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
650 if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS)
651 iwe.u.mode = IW_MODE_MASTER;
652 else
653 iwe.u.mode = IW_MODE_ADHOC;
ccc58057 654 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_UINT_LEN);
09dde54c
MM		 655 }
656
657 /* QUAL */
658 iwe.cmd = IWEVQUAL;
659 iwe.u.qual.updated = IW_QUAL_ALL_UPDATED |
660 IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
661 iwe.u.qual.level = be16_to_cpu(scan->rssi);
662 iwe.u.qual.qual = be16_to_cpu(scan->rssi);
663 iwe.u.qual.noise = 0;
ccc58057 664 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_QUAL_LEN);
09dde54c
MM		 665
666 /* RSN */
667 memset(&iwe, 0, sizeof(iwe));
668 if (be16_to_cpu(scan->size) <= sizeof(*scan)) {
669 /* If wpa[2] capable station, synthesize IE and put it */
670 len = gelic_wl_synthesize_ie(buf, scan);
671 if (len) {
672 iwe.cmd = IWEVGENIE;
673 iwe.u.data.length = len;
ccc58057 674 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
09dde54c
MM		 675 }
676 } else {
677 /* this scan info has IE data */
678 struct ie_info ie_info;
679 size_t data_len;
680
681 data_len = be16_to_cpu(scan->size) - sizeof(*scan);
682
683 gelic_wl_parse_ie(scan->elements, data_len, &ie_info);
684
685 if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) {
686 memcpy(buf, ie_info.wpa.data, ie_info.wpa.len);
687 iwe.cmd = IWEVGENIE;
688 iwe.u.data.length = ie_info.wpa.len;
ccc58057 689 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
09dde54c
MM		 690 }
691
692 if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) {
693 memset(&iwe, 0, sizeof(iwe));
694 memcpy(buf, ie_info.rsn.data, ie_info.rsn.len);
695 iwe.cmd = IWEVGENIE;
696 iwe.u.data.length = ie_info.rsn.len;
ccc58057 697 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
09dde54c
MM		 698 }
699 }
700
701 pr_debug("%s: ->\n", __func__);
702 return ev;
703}
704
705
706static int gelic_wl_get_scan(struct net_device *netdev,
707 struct iw_request_info *info,
708 union iwreq_data *wrqu, char *extra)
709{
710 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
711 struct gelic_wl_scan_info *scan_info;
712 char *ev = extra;
713 char *stop = ev + wrqu->data.length;
714 int ret = 0;
715 unsigned long this_time = jiffies;
716
717 pr_debug("%s: <-\n", __func__);
706ddd60 718 if (mutex_lock_interruptible(&wl->scan_lock))
09dde54c
MM		 719 return -EAGAIN;
720
721 switch (wl->scan_stat) {
722 case GELIC_WL_SCAN_STAT_SCANNING:
723 /* If a scan in progress, caller should call me again */
724 ret = -EAGAIN;
725 goto out;
726 break;
727
728 case GELIC_WL_SCAN_STAT_INIT:
729 /* last scan request failed or never issued */
730 ret = -ENODEV;
731 goto out;
732 break;
733 case GELIC_WL_SCAN_STAT_GOT_LIST:
734 /* ok, use current list */
735 break;
736 }
737
738 list_for_each_entry(scan_info, &wl->network_list, list) {
739 if (wl->scan_age == 0 ||
740 time_after(scan_info->last_scanned + wl->scan_age,
741 this_time))
ccc58057
DM		 742 ev = gelic_wl_translate_scan(netdev, info,
743 ev, stop,
09dde54c
MM		 744 scan_info);
745 else
746 pr_debug("%s:entry too old\n", __func__);
747
748 if (stop - ev <= IW_EV_ADDR_LEN) {
749 ret = -E2BIG;
750 goto out;
751 }
752 }
753
754 wrqu->data.length = ev - extra;
755 wrqu->data.flags = 0;
756out:
706ddd60 757 mutex_unlock(&wl->scan_lock);
09dde54c
MM		 758 pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length);
759 return ret;
760}
761
762#ifdef DEBUG
763static void scan_list_dump(struct gelic_wl_info *wl)
764{
765 struct gelic_wl_scan_info *scan_info;
766 int i;
09dde54c
MM		 767
768 i = 0;
769 list_for_each_entry(scan_info, &wl->network_list, list) {
770 pr_debug("%s: item %d\n", __func__, i++);
771 pr_debug("valid=%d eurusindex=%d last=%lx\n",
772 scan_info->valid, scan_info->eurus_index,
773 scan_info->last_scanned);
774 pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n",
775 scan_info->rate_len, scan_info->rate_ext_len,
776 scan_info->essid_len);
777 /* -- */
e174961c 778 pr_debug("bssid=%pM\n", &scan_info->hwinfo->bssid[2]);
09dde54c
MM		 779 pr_debug("essid=%s\n", scan_info->hwinfo->essid);
780 }
781}
782#endif
783
784static int gelic_wl_set_auth(struct net_device *netdev,
785 struct iw_request_info *info,
786 union iwreq_data *data, char *extra)
787{
788 struct iw_param *param = &data->param;
789 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
790 unsigned long irqflag;
791 int ret = 0;
792
793 pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
794 spin_lock_irqsave(&wl->lock, irqflag);
795 switch (param->flags & IW_AUTH_INDEX) {
796 case IW_AUTH_WPA_VERSION:
797 if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
798 pr_debug("%s: NO WPA selected\n", __func__);
799 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
800 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
801 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
802 }
803 if (param->value & IW_AUTH_WPA_VERSION_WPA) {
804 pr_debug("%s: WPA version 1 selected\n", __func__);
805 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
806 wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
807 wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
808 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
809 }
810 if (param->value & IW_AUTH_WPA_VERSION_WPA2) {
811 /*
812 * As the hypervisor may not tell the cipher
813 * information of the AP if it is WPA2,
814 * you will not decide suitable cipher from
815 * its beacon.
816 * You should have knowledge about the AP's
25985edc 817 * cipher information in other method prior to
09dde54c
MM		 818 * the association.
819 */
820 if (!precise_ie())
821 pr_info("%s: WPA2 may not work\n", __func__);
822 if (wpa2_capable()) {
823 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2;
824 wl->group_cipher_method = GELIC_WL_CIPHER_AES;
825 wl->pairwise_cipher_method =
826 GELIC_WL_CIPHER_AES;
827 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
828 } else
829 ret = -EINVAL;
830 }
831 break;
832
833 case IW_AUTH_CIPHER_PAIRWISE:
834 if (param->value &
835 (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
836 pr_debug("%s: WEP selected\n", __func__);
837 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
838 }
839 if (param->value & IW_AUTH_CIPHER_TKIP) {
840 pr_debug("%s: TKIP selected\n", __func__);
841 wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
842 }
843 if (param->value & IW_AUTH_CIPHER_CCMP) {
844 pr_debug("%s: CCMP selected\n", __func__);
845 wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES;
846 }
847 if (param->value & IW_AUTH_CIPHER_NONE) {
848 pr_debug("%s: no auth selected\n", __func__);
849 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
850 }
851 break;
852 case IW_AUTH_CIPHER_GROUP:
853 if (param->value &
854 (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
855 pr_debug("%s: WEP selected\n", __func__);
856 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
857 }
858 if (param->value & IW_AUTH_CIPHER_TKIP) {
859 pr_debug("%s: TKIP selected\n", __func__);
860 wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
861 }
862 if (param->value & IW_AUTH_CIPHER_CCMP) {
863 pr_debug("%s: CCMP selected\n", __func__);
864 wl->group_cipher_method = GELIC_WL_CIPHER_AES;
865 }
866 if (param->value & IW_AUTH_CIPHER_NONE) {
867 pr_debug("%s: no auth selected\n", __func__);
868 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
869 }
870 break;
871 case IW_AUTH_80211_AUTH_ALG:
872 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
873 pr_debug("%s: shared key specified\n", __func__);
874 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
875 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
876 pr_debug("%s: open system specified\n", __func__);
877 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
878 } else
879 ret = -EINVAL;
880 break;
881
882 case IW_AUTH_WPA_ENABLED:
883 if (param->value) {
884 pr_debug("%s: WPA enabled\n", __func__);
885 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
886 } else {
887 pr_debug("%s: WPA disabled\n", __func__);
888 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
889 }
890 break;
891
892 case IW_AUTH_KEY_MGMT:
893 if (param->value & IW_AUTH_KEY_MGMT_PSK)
894 break;
895 /* intentionally fall through */
896 default:
897 ret = -EOPNOTSUPP;
898 break;
ee289b64 899 }
09dde54c
MM		 900
901 if (!ret)
902 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
903
904 spin_unlock_irqrestore(&wl->lock, irqflag);
905 pr_debug("%s: -> %d\n", __func__, ret);
906 return ret;
907}
908
909static int gelic_wl_get_auth(struct net_device *netdev,
910 struct iw_request_info *info,
911 union iwreq_data *iwreq, char *extra)
912{
913 struct iw_param *param = &iwreq->param;
914 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
915 unsigned long irqflag;
916 int ret = 0;
917
918 pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
919 spin_lock_irqsave(&wl->lock, irqflag);
920 switch (param->flags & IW_AUTH_INDEX) {
921 case IW_AUTH_WPA_VERSION:
922 switch (wl->wpa_level) {
923 case GELIC_WL_WPA_LEVEL_WPA:
924 param->value |= IW_AUTH_WPA_VERSION_WPA;
925 break;
926 case GELIC_WL_WPA_LEVEL_WPA2:
927 param->value |= IW_AUTH_WPA_VERSION_WPA2;
928 break;
929 default:
930 param->value |= IW_AUTH_WPA_VERSION_DISABLED;
931 }
932 break;
933
934 case IW_AUTH_80211_AUTH_ALG:
935 if (wl->auth_method == GELIC_EURUS_AUTH_SHARED)
936 param->value = IW_AUTH_ALG_SHARED_KEY;
937 else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN)
938 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
939 break;
940
941 case IW_AUTH_WPA_ENABLED:
942 switch (wl->wpa_level) {
943 case GELIC_WL_WPA_LEVEL_WPA:
944 case GELIC_WL_WPA_LEVEL_WPA2:
945 param->value = 1;
946 break;
947 default:
948 param->value = 0;
949 break;
950 }
951 break;
952 default:
953 ret = -EOPNOTSUPP;
954 }
955
956 spin_unlock_irqrestore(&wl->lock, irqflag);
957 pr_debug("%s: -> %d\n", __func__, ret);
958 return ret;
959}
960
961/* SIOC{S,G}IWESSID */
962static int gelic_wl_set_essid(struct net_device *netdev,
963 struct iw_request_info *info,
964 union iwreq_data *data, char *extra)
965{
966 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
967 unsigned long irqflag;
968
969 pr_debug("%s: <- l=%d f=%d\n", __func__,
970 data->essid.length, data->essid.flags);
971 if (IW_ESSID_MAX_SIZE < data->essid.length)
972 return -EINVAL;
973
974 spin_lock_irqsave(&wl->lock, irqflag);
975 if (data->essid.flags) {
976 wl->essid_len = data->essid.length;
977 memcpy(wl->essid, extra, wl->essid_len);
978 pr_debug("%s: essid = '%s'\n", __func__, extra);
979 set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
980 } else {
583d077d 981 pr_debug("%s: ESSID any\n", __func__);
09dde54c
MM		 982 clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
983 }
984 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
985 spin_unlock_irqrestore(&wl->lock, irqflag);
986
987
988 gelic_wl_try_associate(netdev); /* FIXME */
583d077d 989 pr_debug("%s: ->\n", __func__);
09dde54c
MM		 990 return 0;
991}
992
993static int gelic_wl_get_essid(struct net_device *netdev,
994 struct iw_request_info *info,
995 union iwreq_data *data, char *extra)
996{
997 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
998 unsigned long irqflag;
999
583d077d 1000 pr_debug("%s: <-\n", __func__);
bb2d67a3 1001 mutex_lock(&wl->assoc_stat_lock);
09dde54c
MM		 1002 spin_lock_irqsave(&wl->lock, irqflag);
1003 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) ||
1004 wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1005 memcpy(extra, wl->essid, wl->essid_len);
1006 data->essid.length = wl->essid_len;
1007 data->essid.flags = 1;
1008 } else
1009 data->essid.flags = 0;
1010
bb2d67a3 1011 mutex_unlock(&wl->assoc_stat_lock);
09dde54c 1012 spin_unlock_irqrestore(&wl->lock, irqflag);
583d077d 1013 pr_debug("%s: -> len=%d\n", __func__, data->essid.length);
09dde54c
MM		 1014
1015 return 0;
1016}
1017
1018/* SIO{S,G}IWENCODE */
1019static int gelic_wl_set_encode(struct net_device *netdev,
1020 struct iw_request_info *info,
1021 union iwreq_data *data, char *extra)
1022{
1023 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1024 struct iw_point *enc = &data->encoding;
1025 __u16 flags;
77bbadd5 1026 unsigned long irqflag;
09dde54c
MM		 1027 int key_index, index_specified;
1028 int ret = 0;
1029
583d077d 1030 pr_debug("%s: <-\n", __func__);
09dde54c
MM		 1031 flags = enc->flags & IW_ENCODE_FLAGS;
1032 key_index = enc->flags & IW_ENCODE_INDEX;
1033
1034 pr_debug("%s: key_index = %d\n", __func__, key_index);
1035 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1036 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1037
1038 if (GELIC_WEP_KEYS < key_index)
1039 return -EINVAL;
1040
1041 spin_lock_irqsave(&wl->lock, irqflag);
1042 if (key_index) {
1043 index_specified = 1;
1044 key_index--;
1045 } else {
1046 index_specified = 0;
1047 key_index = wl->current_key;
1048 }
1049
1050 if (flags & IW_ENCODE_NOKEY) {
1051 /* if just IW_ENCODE_NOKEY, change current key index */
1052 if (!flags && index_specified) {
1053 wl->current_key = key_index;
1054 goto done;
1055 }
1056
1057 if (flags & IW_ENCODE_DISABLED) {
1058 if (!index_specified) {
1059 /* disable encryption */
1060 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1061 wl->pairwise_cipher_method =
1062 GELIC_WL_CIPHER_NONE;
1063 /* invalidate all key */
1064 wl->key_enabled = 0;
1065 } else
1066 clear_bit(key_index, &wl->key_enabled);
1067 }
1068
1069 if (flags & IW_ENCODE_OPEN)
1070 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1071 if (flags & IW_ENCODE_RESTRICTED) {
1072 pr_info("%s: shared key mode enabled\n", __func__);
1073 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1074 }
1075 } else {
1076 if (IW_ENCODING_TOKEN_MAX < enc->length) {
1077 ret = -EINVAL;
1078 goto done;
1079 }
1080 wl->key_len[key_index] = enc->length;
1081 memcpy(wl->key[key_index], extra, enc->length);
1082 set_bit(key_index, &wl->key_enabled);
1083 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
1084 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
1085 }
1086 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1087done:
1088 spin_unlock_irqrestore(&wl->lock, irqflag);
583d077d 1089 pr_debug("%s: ->\n", __func__);
09dde54c
MM		 1090 return ret;
1091}
1092
1093static int gelic_wl_get_encode(struct net_device *netdev,
1094 struct iw_request_info *info,
1095 union iwreq_data *data, char *extra)
1096{
1097 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1098 struct iw_point *enc = &data->encoding;
77bbadd5 1099 unsigned long irqflag;
09dde54c
MM		 1100 unsigned int key_index, index_specified;
1101 int ret = 0;
1102
583d077d 1103 pr_debug("%s: <-\n", __func__);
09dde54c
MM		 1104 key_index = enc->flags & IW_ENCODE_INDEX;
1105 pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__,
1106 enc->flags, enc->pointer, enc->length, extra);
1107 if (GELIC_WEP_KEYS < key_index)
1108 return -EINVAL;
1109
1110 spin_lock_irqsave(&wl->lock, irqflag);
1111 if (key_index) {
1112 index_specified = 1;
1113 key_index--;
1114 } else {
1115 index_specified = 0;
1116 key_index = wl->current_key;
1117 }
1118
1119 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1120 switch (wl->auth_method) {
1121 case GELIC_EURUS_AUTH_OPEN:
1122 enc->flags = IW_ENCODE_OPEN;
1123 break;
1124 case GELIC_EURUS_AUTH_SHARED:
1125 enc->flags = IW_ENCODE_RESTRICTED;
1126 break;
1127 }
1128 } else
1129 enc->flags = IW_ENCODE_DISABLED;
1130
1131 if (test_bit(key_index, &wl->key_enabled)) {
1132 if (enc->length < wl->key_len[key_index]) {
1133 ret = -EINVAL;
1134 goto done;
1135 }
1136 enc->length = wl->key_len[key_index];
1137 memcpy(extra, wl->key[key_index], wl->key_len[key_index]);
1138 } else {
1139 enc->length = 0;
1140 enc->flags |= IW_ENCODE_NOKEY;
1141 }
1142 enc->flags |= key_index + 1;
1143 pr_debug("%s: -> flag=%x len=%d\n", __func__,
1144 enc->flags, enc->length);
1145
1146done:
1147 spin_unlock_irqrestore(&wl->lock, irqflag);
1148 return ret;
1149}
1150
1151/* SIOC{S,G}IWAP */
1152static int gelic_wl_set_ap(struct net_device *netdev,
1153 struct iw_request_info *info,
1154 union iwreq_data *data, char *extra)
1155{
1156 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1157 unsigned long irqflag;
1158
1159 pr_debug("%s: <-\n", __func__);
1160 if (data->ap_addr.sa_family != ARPHRD_ETHER)
1161 return -EINVAL;
1162
1163 spin_lock_irqsave(&wl->lock, irqflag);
1164 if (is_valid_ether_addr(data->ap_addr.sa_data)) {
1165 memcpy(wl->bssid, data->ap_addr.sa_data,
1166 ETH_ALEN);
1167 set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1168 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
7c510e4b 1169 pr_debug("%s: bss=%pM\n", __func__, wl->bssid);
09dde54c
MM		 1170 } else {
1171 pr_debug("%s: clear bssid\n", __func__);
1172 clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1173 memset(wl->bssid, 0, ETH_ALEN);
1174 }
1175 spin_unlock_irqrestore(&wl->lock, irqflag);
1176 pr_debug("%s: ->\n", __func__);
1177 return 0;
1178}
1179
1180static int gelic_wl_get_ap(struct net_device *netdev,
1181 struct iw_request_info *info,
1182 union iwreq_data *data, char *extra)
1183{
1184 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1185 unsigned long irqflag;
1186
1187 pr_debug("%s: <-\n", __func__);
bb2d67a3 1188 mutex_lock(&wl->assoc_stat_lock);
09dde54c
MM		 1189 spin_lock_irqsave(&wl->lock, irqflag);
1190 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1191 data->ap_addr.sa_family = ARPHRD_ETHER;
1192 memcpy(data->ap_addr.sa_data, wl->active_bssid,
1193 ETH_ALEN);
1194 } else
1195 memset(data->ap_addr.sa_data, 0, ETH_ALEN);
1196
1197 spin_unlock_irqrestore(&wl->lock, irqflag);
bb2d67a3 1198 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 1199 pr_debug("%s: ->\n", __func__);
1200 return 0;
1201}
1202
1203/* SIOC{S,G}IWENCODEEXT */
1204static int gelic_wl_set_encodeext(struct net_device *netdev,
1205 struct iw_request_info *info,
1206 union iwreq_data *data, char *extra)
1207{
1208 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1209 struct iw_point *enc = &data->encoding;
1210 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1211 __u16 alg;
1212 __u16 flags;
77bbadd5 1213 unsigned long irqflag;
09dde54c
MM		 1214 int key_index;
1215 int ret = 0;
1216
583d077d 1217 pr_debug("%s: <-\n", __func__);
09dde54c
MM		 1218 flags = enc->flags & IW_ENCODE_FLAGS;
1219 alg = ext->alg;
1220 key_index = enc->flags & IW_ENCODE_INDEX;
1221
1222 pr_debug("%s: key_index = %d\n", __func__, key_index);
1223 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1224 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1225 pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags);
1226 pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len);
1227
1228 if (GELIC_WEP_KEYS < key_index)
1229 return -EINVAL;
1230
1231 spin_lock_irqsave(&wl->lock, irqflag);
1232 if (key_index)
1233 key_index--;
1234 else
1235 key_index = wl->current_key;
1236
1237 if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) {
1238 /* reques to change default key index */
1239 pr_debug("%s: request to change default key to %d\n",
1240 __func__, key_index);
1241 wl->current_key = key_index;
1242 goto done;
1243 }
1244
1245 if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) {
1246 pr_debug("%s: alg disabled\n", __func__);
1247 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
1248 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1249 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
1250 wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */
1251 } else if (alg == IW_ENCODE_ALG_WEP) {
1252 pr_debug("%s: WEP requested\n", __func__);
1253 if (flags & IW_ENCODE_OPEN) {
1254 pr_debug("%s: open key mode\n", __func__);
1255 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1256 }
1257 if (flags & IW_ENCODE_RESTRICTED) {
1258 pr_debug("%s: shared key mode\n", __func__);
1259 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1260 }
1261 if (IW_ENCODING_TOKEN_MAX < ext->key_len) {
1262 pr_info("%s: key is too long %d\n", __func__,
1263 ext->key_len);
1264 ret = -EINVAL;
1265 goto done;
1266 }
1267 /* OK, update the key */
1268 wl->key_len[key_index] = ext->key_len;
1269 memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX);
1270 memcpy(wl->key[key_index], ext->key, ext->key_len);
1271 set_bit(key_index, &wl->key_enabled);
1272 /* remember wep info changed */
1273 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
04b2046c
MM		 1274 } else if (alg == IW_ENCODE_ALG_PMK) {
1275 if (ext->key_len != WPA_PSK_LEN) {
1276 pr_err("%s: PSK length wrong %d\n", __func__,
1277 ext->key_len);
09dde54c
MM		 1278 ret = -EINVAL;
1279 goto done;
1280 }
04b2046c
MM		 1281 memset(wl->psk, 0, sizeof(wl->psk));
1282 memcpy(wl->psk, ext->key, ext->key_len);
1283 wl->psk_len = ext->key_len;
1284 wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
1285 /* remember PSK configured */
1286 set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
09dde54c
MM		 1287 }
1288done:
1289 spin_unlock_irqrestore(&wl->lock, irqflag);
583d077d 1290 pr_debug("%s: ->\n", __func__);
09dde54c
MM		 1291 return ret;
1292}
1293
1294static int gelic_wl_get_encodeext(struct net_device *netdev,
1295 struct iw_request_info *info,
1296 union iwreq_data *data, char *extra)
1297{
1298 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1299 struct iw_point *enc = &data->encoding;
1300 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
77bbadd5 1301 unsigned long irqflag;
09dde54c
MM		 1302 int key_index;
1303 int ret = 0;
1304 int max_key_len;
1305
583d077d 1306 pr_debug("%s: <-\n", __func__);
09dde54c
MM		 1307
1308 max_key_len = enc->length - sizeof(struct iw_encode_ext);
1309 if (max_key_len < 0)
1310 return -EINVAL;
1311 key_index = enc->flags & IW_ENCODE_INDEX;
1312
1313 pr_debug("%s: key_index = %d\n", __func__, key_index);
1314 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1315 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1316
1317 if (GELIC_WEP_KEYS < key_index)
1318 return -EINVAL;
1319
1320 spin_lock_irqsave(&wl->lock, irqflag);
1321 if (key_index)
1322 key_index--;
1323 else
1324 key_index = wl->current_key;
1325
1326 memset(ext, 0, sizeof(struct iw_encode_ext));
1327 switch (wl->group_cipher_method) {
1328 case GELIC_WL_CIPHER_WEP:
1329 ext->alg = IW_ENCODE_ALG_WEP;
1330 enc->flags |= IW_ENCODE_ENABLED;
1331 break;
1332 case GELIC_WL_CIPHER_TKIP:
1333 ext->alg = IW_ENCODE_ALG_TKIP;
1334 enc->flags |= IW_ENCODE_ENABLED;
1335 break;
1336 case GELIC_WL_CIPHER_AES:
1337 ext->alg = IW_ENCODE_ALG_CCMP;
1338 enc->flags |= IW_ENCODE_ENABLED;
1339 break;
1340 case GELIC_WL_CIPHER_NONE:
1341 default:
1342 ext->alg = IW_ENCODE_ALG_NONE;
1343 enc->flags |= IW_ENCODE_NOKEY;
1344 break;
1345 }
1346
1347 if (!(enc->flags & IW_ENCODE_NOKEY)) {
1348 if (max_key_len < wl->key_len[key_index]) {
1349 ret = -E2BIG;
1350 goto out;
1351 }
1352 if (test_bit(key_index, &wl->key_enabled))
1353 memcpy(ext->key, wl->key[key_index],
1354 wl->key_len[key_index]);
1355 else
1356 pr_debug("%s: disabled key requested ix=%d\n",
1357 __func__, key_index);
1358 }
1359out:
1360 spin_unlock_irqrestore(&wl->lock, irqflag);
583d077d 1361 pr_debug("%s: ->\n", __func__);
09dde54c
MM		 1362 return ret;
1363}
1364/* SIOC{S,G}IWMODE */
1365static int gelic_wl_set_mode(struct net_device *netdev,
1366 struct iw_request_info *info,
1367 union iwreq_data *data, char *extra)
1368{
1369 __u32 mode = data->mode;
1370 int ret;
1371
583d077d 1372 pr_debug("%s: <-\n", __func__);
09dde54c
MM		 1373 if (mode == IW_MODE_INFRA)
1374 ret = 0;
1375 else
1376 ret = -EOPNOTSUPP;
1377 pr_debug("%s: -> %d\n", __func__, ret);
1378 return ret;
1379}
1380
1381static int gelic_wl_get_mode(struct net_device *netdev,
1382 struct iw_request_info *info,
1383 union iwreq_data *data, char *extra)
1384{
1385 __u32 *mode = &data->mode;
583d077d 1386 pr_debug("%s: <-\n", __func__);
09dde54c
MM		 1387 *mode = IW_MODE_INFRA;
1388 pr_debug("%s: ->\n", __func__);
1389 return 0;
1390}
1391
09dde54c
MM		 1392/* SIOCGIWNICKN */
1393static int gelic_wl_get_nick(struct net_device *net_dev,
1394 struct iw_request_info *info,
1395 union iwreq_data *data, char *extra)
1396{
1397 strcpy(extra, "gelic_wl");
1398 data->data.length = strlen(extra);
1399 data->data.flags = 1;
1400 return 0;
1401}
1402
1403
1404/* --- */
1405
1406static struct iw_statistics *gelic_wl_get_wireless_stats(
1407 struct net_device *netdev)
1408{
1409
1410 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1411 struct gelic_eurus_cmd *cmd;
1412 struct iw_statistics *is;
1413 struct gelic_eurus_rssi_info *rssi;
13de15e7 1414 void *buf;
09dde54c
MM		 1415
1416 pr_debug("%s: <-\n", __func__);
1417
13de15e7
MM		 1418 buf = (void *)__get_free_page(GFP_KERNEL);
1419 if (!buf)
1420 return NULL;
1421
09dde54c
MM		 1422 is = &wl->iwstat;
1423 memset(is, 0, sizeof(*is));
1424 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG,
13de15e7 1425 buf, sizeof(*rssi));
09dde54c 1426 if (cmd && !cmd->status && !cmd->cmd_status) {
13de15e7 1427 rssi = buf;
09dde54c
MM		 1428 is->qual.level = be16_to_cpu(rssi->rssi);
1429 is->qual.updated = IW_QUAL_LEVEL_UPDATED |
1430 IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
1431 } else
1432 /* not associated */
1433 is->qual.updated = IW_QUAL_ALL_INVALID;
1434
1435 kfree(cmd);
13de15e7 1436 free_page((unsigned long)buf);
09dde54c
MM		 1437 pr_debug("%s: ->\n", __func__);
1438 return is;
1439}
1440
1441/*
1442 * scanning helpers
1443 */
7fd871ed
MM		 1444static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
1445 u8 *essid, size_t essid_len)
09dde54c
MM		 1446{
1447 struct gelic_eurus_cmd *cmd;
1448 int ret = 0;
7fd871ed
MM		 1449 void *buf = NULL;
1450 size_t len;
09dde54c 1451
e389900e 1452 pr_debug("%s: <- always=%d\n", __func__, always_scan);
706ddd60 1453 if (mutex_lock_interruptible(&wl->scan_lock))
09dde54c
MM		 1454 return -ERESTARTSYS;
1455
1456 /*
1457 * If already a scan in progress, do not trigger more
1458 */
1459 if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) {
1460 pr_debug("%s: scanning now\n", __func__);
1461 goto out;
1462 }
1463
1464 init_completion(&wl->scan_done);
1465 /*
1466 * If we have already a bss list, don't try to get new
f276586a 1467 * unless we are doing an ESSID scan
09dde54c 1468 */
f276586a
HG		 1469 if ((!essid_len && !always_scan)
1470 && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) {
09dde54c
MM		 1471 pr_debug("%s: already has the list\n", __func__);
1472 complete(&wl->scan_done);
1473 goto out;
1474 }
7fd871ed
MM		 1475
1476 /* ESSID scan ? */
1477 if (essid_len && essid) {
1478 buf = (void *)__get_free_page(GFP_KERNEL);
1479 if (!buf) {
1480 ret = -ENOMEM;
1481 goto out;
1482 }
1483 len = IW_ESSID_MAX_SIZE; /* hypervisor always requires 32 */
1484 memset(buf, 0, len);
1485 memcpy(buf, essid, essid_len);
1486 pr_debug("%s: essid scan='%s'\n", __func__, (char *)buf);
1487 } else
1488 len = 0;
1489
09dde54c
MM		 1490 /*
1491 * issue start scan request
1492 */
1493 wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING;
1494 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN,
7fd871ed 1495 buf, len);
09dde54c
MM		 1496 if (!cmd || cmd->status || cmd->cmd_status) {
1497 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1498 complete(&wl->scan_done);
1499 ret = -ENOMEM;
1500 goto out;
1501 }
1502 kfree(cmd);
1503out:
7fd871ed 1504 free_page((unsigned long)buf);
706ddd60 1505 mutex_unlock(&wl->scan_lock);
09dde54c
MM		 1506 pr_debug("%s: ->\n", __func__);
1507 return ret;
1508}
1509
1510/*
1511 * retrieve scan result from the chip (hypervisor)
1512 * this function is invoked by schedule work.
1513 */
1514static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
1515{
1516 struct gelic_eurus_cmd *cmd = NULL;
1517 struct gelic_wl_scan_info *target, *tmp;
1518 struct gelic_wl_scan_info *oldest = NULL;
1519 struct gelic_eurus_scan_info *scan_info;
1520 unsigned int scan_info_size;
1521 union iwreq_data data;
1522 unsigned long this_time = jiffies;
1523 unsigned int data_len, i, found, r;
13de15e7 1524 void *buf;
09dde54c
MM		 1525
1526 pr_debug("%s:start\n", __func__);
706ddd60 1527 mutex_lock(&wl->scan_lock);
09dde54c 1528
13de15e7
MM		 1529 buf = (void *)__get_free_page(GFP_KERNEL);
1530 if (!buf) {
1531 pr_info("%s: scan buffer alloc failed\n", __func__);
1532 goto out;
1533 }
1534
09dde54c
MM		 1535 if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
1536 /*
1537 * stop() may be called while scanning, ignore result
1538 */
1539 pr_debug("%s: scan complete when stat != scanning(%d)\n",
1540 __func__, wl->scan_stat);
1541 goto out;
1542 }
1543
1544 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN,
13de15e7 1545 buf, PAGE_SIZE);
09dde54c
MM		 1546 if (!cmd || cmd->status || cmd->cmd_status) {
1547 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1548 pr_info("%s:cmd failed\n", __func__);
1549 kfree(cmd);
1550 goto out;
1551 }
1552 data_len = cmd->size;
1553 pr_debug("%s: data_len = %d\n", __func__, data_len);
1554 kfree(cmd);
1555
1556 /* OK, bss list retrieved */
1557 wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST;
1558
1559 /* mark all entries are old */
1560 list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
1561 target->valid = 0;
1562 /* expire too old entries */
1563 if (time_before(target->last_scanned + wl->scan_age,
1564 this_time)) {
1565 kfree(target->hwinfo);
1566 target->hwinfo = NULL;
1567 list_move_tail(&target->list, &wl->network_free_list);
1568 }
1569 }
1570
f276586a 1571 /* put them in the network_list */
13de15e7 1572 for (i = 0, scan_info_size = 0, scan_info = buf;
aad4c7d3
MM		 1573 scan_info_size < data_len;
1574 i++, scan_info_size += be16_to_cpu(scan_info->size),
1575 scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) {
e174961c 1576 pr_debug("%s:size=%d bssid=%pM scan_info=%p\n", __func__,
09dde54c 1577 be16_to_cpu(scan_info->size),
e174961c 1578 &scan_info->bssid[2], scan_info);
aad4c7d3
MM		 1579
1580 /*
1581 * The wireless firmware may return invalid channel 0 and/or
1582 * invalid rate if the AP emits zero length SSID ie. As this
1583 * scan information is useless, ignore it
1584 */
1585 if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) {
1586 pr_debug("%s: invalid scan info\n", __func__);
1587 continue;
1588 }
1589
09dde54c
MM		 1590 found = 0;
1591 oldest = NULL;
1592 list_for_each_entry(target, &wl->network_list, list) {
2e42e474
JP		 1593 if (ether_addr_equal(&target->hwinfo->bssid[2],
1594 &scan_info->bssid[2])) {
09dde54c
MM		 1595 found = 1;
1596 pr_debug("%s: same BBS found scanned list\n",
1597 __func__);
1598 break;
1599 }
1600 if (!oldest ||
1601 (target->last_scanned < oldest->last_scanned))
1602 oldest = target;
1603 }
1604
1605 if (!found) {
1606 /* not found in the list */
1607 if (list_empty(&wl->network_free_list)) {
1608 /* expire oldest */
1609 target = oldest;
1610 } else {
1611 target = list_entry(wl->network_free_list.next,
1612 struct gelic_wl_scan_info,
1613 list);
1614 }
1615 }
1616
1617 /* update the item */
1618 target->last_scanned = this_time;
1619 target->valid = 1;
1620 target->eurus_index = i;
1621 kfree(target->hwinfo);
1622 target->hwinfo = kzalloc(be16_to_cpu(scan_info->size),
1623 GFP_KERNEL);
e404decb 1624 if (!target->hwinfo)
09dde54c 1625 continue;
e404decb 1626
09dde54c
MM		 1627 /* copy hw scan info */
1628 memcpy(target->hwinfo, scan_info, scan_info->size);
1629 target->essid_len = strnlen(scan_info->essid,
1630 sizeof(scan_info->essid));
1631 target->rate_len = 0;
2c706002 1632 for (r = 0; r < 12; r++)
09dde54c
MM		 1633 if (scan_info->rate[r])
1634 target->rate_len++;
1635 if (8 < target->rate_len)
1636 pr_info("%s: AP returns %d rates\n", __func__,
1637 target->rate_len);
1638 target->rate_ext_len = 0;
2c706002 1639 for (r = 0; r < 16; r++)
09dde54c
MM		 1640 if (scan_info->ext_rate[r])
1641 target->rate_ext_len++;
1642 list_move_tail(&target->list, &wl->network_list);
09dde54c
MM		 1643 }
1644 memset(&data, 0, sizeof(data));
1645 wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,
1646 NULL);
1647out:
13de15e7 1648 free_page((unsigned long)buf);
09dde54c 1649 complete(&wl->scan_done);
706ddd60 1650 mutex_unlock(&wl->scan_lock);
09dde54c
MM		 1651 pr_debug("%s:end\n", __func__);
1652}
1653
1654/*
1655 * Select an appropriate bss from current scan list regarding
1656 * current settings from userspace.
1657 * The caller must hold wl->scan_lock,
1658 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1659 */
1660static void update_best(struct gelic_wl_scan_info **best,
1661 struct gelic_wl_scan_info *candid,
1662 int *best_weight,
1663 int *weight)
1664{
1665 if (*best_weight < ++(*weight)) {
1666 *best_weight = *weight;
1667 *best = candid;
1668 }
1669}
1670
1671static
1672struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl)
1673{
1674 struct gelic_wl_scan_info *scan_info;
1675 struct gelic_wl_scan_info *best_bss;
1676 int weight, best_weight;
1677 u16 security;
09dde54c
MM		 1678
1679 pr_debug("%s: <-\n", __func__);
1680
1681 best_bss = NULL;
1682 best_weight = 0;
1683
1684 list_for_each_entry(scan_info, &wl->network_list, list) {
1685 pr_debug("%s: station %p\n", __func__, scan_info);
1686
1687 if (!scan_info->valid) {
1688 pr_debug("%s: station invalid\n", __func__);
1689 continue;
1690 }
1691
1692 /* If bss specified, check it only */
1693 if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) {
2e42e474
JP		 1694 if (ether_addr_equal(&scan_info->hwinfo->bssid[2],
1695 wl->bssid)) {
09dde54c
MM		 1696 best_bss = scan_info;
1697 pr_debug("%s: bssid matched\n", __func__);
1698 break;
1699 } else {
1700 pr_debug("%s: bssid unmached\n", __func__);
1701 continue;
1702 }
1703 }
1704
1705 weight = 0;
1706
1707 /* security */
1708 security = be16_to_cpu(scan_info->hwinfo->security) &
1709 GELIC_EURUS_SCAN_SEC_MASK;
1710 if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1711 if (security == GELIC_EURUS_SCAN_SEC_WPA2)
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_WPA) {
1717 if (security == GELIC_EURUS_SCAN_SEC_WPA)
1718 update_best(&best_bss, scan_info,
1719 &best_weight, &weight);
1720 else
1721 continue;
1722 } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE &&
1723 wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1724 if (security == GELIC_EURUS_SCAN_SEC_WEP)
1725 update_best(&best_bss, scan_info,
1726 &best_weight, &weight);
1727 else
1728 continue;
1729 }
1730
1731 /* If ESSID is set, check it */
1732 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
1733 if ((scan_info->essid_len == wl->essid_len) &&
1734 !strncmp(wl->essid,
1735 scan_info->hwinfo->essid,
1736 scan_info->essid_len))
1737 update_best(&best_bss, scan_info,
1738 &best_weight, &weight);
1739 else
1740 continue;
1741 }
1742 }
1743
1744#ifdef DEBUG
1745 pr_debug("%s: -> bss=%p\n", __func__, best_bss);
1746 if (best_bss) {
e174961c
JB		 1747 pr_debug("%s:addr=%pM\n", __func__,
1748 &best_bss->hwinfo->bssid[2]);
09dde54c
MM		 1749 }
1750#endif
1751 return best_bss;
1752}
1753
1754/*
1755 * Setup WEP configuration to the chip
1756 * The caller must hold wl->scan_lock,
1757 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1758 */
1759static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
1760{
1761 unsigned int i;
1762 struct gelic_eurus_wep_cfg *wep;
1763 struct gelic_eurus_cmd *cmd;
1764 int wep104 = 0;
1765 int have_key = 0;
1766 int ret = 0;
1767
1768 pr_debug("%s: <-\n", __func__);
1769 /* we can assume no one should uses the buffer */
13de15e7
MM		 1770 wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL);
1771 if (!wep)
1772 return -ENOMEM;
1773
09dde54c
MM		 1774 memset(wep, 0, sizeof(*wep));
1775
1776 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1777 pr_debug("%s: WEP mode\n", __func__);
1778 for (i = 0; i < GELIC_WEP_KEYS; i++) {
1779 if (!test_bit(i, &wl->key_enabled))
1780 continue;
1781
1782 pr_debug("%s: key#%d enabled\n", __func__, i);
1783 have_key = 1;
1784 if (wl->key_len[i] == 13)
1785 wep104 = 1;
1786 else if (wl->key_len[i] != 5) {
1787 pr_info("%s: wrong wep key[%d]=%d\n",
1788 __func__, i, wl->key_len[i]);
1789 ret = -EINVAL;
1790 goto out;
1791 }
1792 memcpy(wep->key[i], wl->key[i], wl->key_len[i]);
1793 }
1794
1795 if (!have_key) {
1796 pr_info("%s: all wep key disabled\n", __func__);
1797 ret = -EINVAL;
1798 goto out;
1799 }
1800
1801 if (wep104) {
1802 pr_debug("%s: 104bit key\n", __func__);
1803 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT);
1804 } else {
1805 pr_debug("%s: 40bit key\n", __func__);
1806 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT);
1807 }
1808 } else {
1809 pr_debug("%s: NO encryption\n", __func__);
1810 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE);
1811 }
1812
1813 /* issue wep setup */
1814 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG,
1815 wep, sizeof(*wep));
1816 if (!cmd)
1817 ret = -ENOMEM;
1818 else if (cmd->status || cmd->cmd_status)
1819 ret = -ENXIO;
1820
1821 kfree(cmd);
1822out:
13de15e7 1823 free_page((unsigned long)wep);
09dde54c
MM		 1824 pr_debug("%s: ->\n", __func__);
1825 return ret;
1826}
1827
1828#ifdef DEBUG
1829static const char *wpasecstr(enum gelic_eurus_wpa_security sec)
1830{
1831 switch (sec) {
1832 case GELIC_EURUS_WPA_SEC_NONE:
1833 return "NONE";
1834 break;
1835 case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP:
1836 return "WPA_TKIP_TKIP";
1837 break;
1838 case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES:
1839 return "WPA_TKIP_AES";
1840 break;
1841 case GELIC_EURUS_WPA_SEC_WPA_AES_AES:
1842 return "WPA_AES_AES";
1843 break;
1844 case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP:
1845 return "WPA2_TKIP_TKIP";
1846 break;
1847 case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES:
1848 return "WPA2_TKIP_AES";
1849 break;
1850 case GELIC_EURUS_WPA_SEC_WPA2_AES_AES:
1851 return "WPA2_AES_AES";
1852 break;
1853 }
1854 return "";
1855};
1856#endif
1857
1858static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
1859{
1860 struct gelic_eurus_wpa_cfg *wpa;
1861 struct gelic_eurus_cmd *cmd;
1862 u16 security;
1863 int ret = 0;
1864
1865 pr_debug("%s: <-\n", __func__);
1866 /* we can assume no one should uses the buffer */
13de15e7
MM		 1867 wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL);
1868 if (!wpa)
1869 return -ENOMEM;
1870
09dde54c
MM		 1871 memset(wpa, 0, sizeof(*wpa));
1872
1873 if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat))
1874 pr_info("%s: PSK not configured yet\n", __func__);
1875
1876 /* copy key */
1877 memcpy(wpa->psk, wl->psk, wl->psk_len);
1878
1879 /* set security level */
1880 if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1881 if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1882 security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES;
1883 } else {
1884 if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
1885 precise_ie())
1886 security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES;
1887 else
1888 security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP;
1889 }
1890 } else {
1891 if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1892 security = GELIC_EURUS_WPA_SEC_WPA_AES_AES;
1893 } else {
1894 if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
1895 precise_ie())
1896 security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES;
1897 else
1898 security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP;
1899 }
1900 }
1901 wpa->security = cpu_to_be16(security);
1902
1903 /* PSK type */
1904 wpa->psk_type = cpu_to_be16(wl->psk_type);
1905#ifdef DEBUG
f276586a 1906 pr_debug("%s: sec=%s psktype=%s\n", __func__,
09dde54c
MM		 1907 wpasecstr(wpa->security),
1908 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
1909 "BIN" : "passphrase");
1910#if 0
1911 /*
1912 * don't enable here if you plan to submit
1913 * the debug log because this dumps your precious
1914 * passphrase/key.
1915 */
f276586a 1916 pr_debug("%s: psk=%s\n", __func__,
09dde54c 1917 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
f276586a 1918 "N/A" : wpa->psk);
09dde54c
MM		 1919#endif
1920#endif
1921 /* issue wpa setup */
1922 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG,
1923 wpa, sizeof(*wpa));
1924 if (!cmd)
1925 ret = -ENOMEM;
1926 else if (cmd->status || cmd->cmd_status)
1927 ret = -ENXIO;
1928 kfree(cmd);
13de15e7 1929 free_page((unsigned long)wpa);
09dde54c
MM		 1930 pr_debug("%s: --> %d\n", __func__, ret);
1931 return ret;
1932}
1933
1934/*
1935 * Start association. caller must hold assoc_stat_lock
1936 */
1937static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
1938 struct gelic_wl_scan_info *bss)
1939{
1940 struct gelic_eurus_cmd *cmd;
1941 struct gelic_eurus_common_cfg *common;
1942 int ret = 0;
1943 unsigned long rc;
1944
1945 pr_debug("%s: <-\n", __func__);
1946
1947 /* do common config */
13de15e7
MM		 1948 common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL);
1949 if (!common)
1950 return -ENOMEM;
1951
09dde54c
MM		 1952 memset(common, 0, sizeof(*common));
1953 common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA);
1954 common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG);
1955
1956 common->scan_index = cpu_to_be16(bss->eurus_index);
1957 switch (wl->auth_method) {
1958 case GELIC_EURUS_AUTH_OPEN:
1959 common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN);
1960 break;
1961 case GELIC_EURUS_AUTH_SHARED:
1962 common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED);
1963 break;
1964 }
1965
1966#ifdef DEBUG
1967 scan_list_dump(wl);
1968#endif
1969 pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__,
1970 be16_to_cpu(common->scan_index),
1971 be16_to_cpu(common->bss_type),
1972 be16_to_cpu(common->auth_method));
1973
1974 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG,
1975 common, sizeof(*common));
1976 if (!cmd || cmd->status || cmd->cmd_status) {
1977 ret = -ENOMEM;
1978 kfree(cmd);
1979 goto out;
1980 }
1981 kfree(cmd);
1982
1983 /* WEP/WPA */
1984 switch (wl->wpa_level) {
1985 case GELIC_WL_WPA_LEVEL_NONE:
1986 /* If WEP or no security, setup WEP config */
1987 ret = gelic_wl_do_wep_setup(wl);
1988 break;
1989 case GELIC_WL_WPA_LEVEL_WPA:
1990 case GELIC_WL_WPA_LEVEL_WPA2:
1991 ret = gelic_wl_do_wpa_setup(wl);
1992 break;
ee289b64 1993 }
09dde54c
MM		 1994
1995 if (ret) {
1996 pr_debug("%s: WEP/WPA setup failed %d\n", __func__,
1997 ret);
c6dbe17f
MM		 1998 ret = -EPERM;
1999 gelic_wl_send_iwap_event(wl, NULL);
2000 goto out;
09dde54c
MM		 2001 }
2002
2003 /* start association */
2004 init_completion(&wl->assoc_done);
2005 wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING;
2006 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC,
2007 NULL, 0);
2008 if (!cmd || cmd->status || cmd->cmd_status) {
2009 pr_debug("%s: assoc request failed\n", __func__);
2010 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2011 kfree(cmd);
2012 ret = -ENOMEM;
2013 gelic_wl_send_iwap_event(wl, NULL);
2014 goto out;
2015 }
2016 kfree(cmd);
2017
2018 /* wait for connected event */
2019 rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/
2020
2021 if (!rc) {
2022 /* timeouted. Maybe key or cyrpt mode is wrong */
583d077d 2023 pr_info("%s: connect timeout\n", __func__);
09dde54c
MM		 2024 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC,
2025 NULL, 0);
2026 kfree(cmd);
2027 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2028 gelic_wl_send_iwap_event(wl, NULL);
2029 ret = -ENXIO;
2030 } else {
2031 wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED;
2032 /* copy bssid */
2033 memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN);
2034
2035 /* send connect event */
2036 gelic_wl_send_iwap_event(wl, wl->active_bssid);
2037 pr_info("%s: connected\n", __func__);
2038 }
2039out:
13de15e7 2040 free_page((unsigned long)common);
09dde54c
MM		 2041 pr_debug("%s: ->\n", __func__);
2042 return ret;
2043}
2044
2045/*
2046 * connected event
2047 */
2048static void gelic_wl_connected_event(struct gelic_wl_info *wl,
2049 u64 event)
2050{
2051 u64 desired_event = 0;
2052
2053 switch (wl->wpa_level) {
2054 case GELIC_WL_WPA_LEVEL_NONE:
2055 desired_event = GELIC_LV1_WL_EVENT_CONNECTED;
2056 break;
2057 case GELIC_WL_WPA_LEVEL_WPA:
2058 case GELIC_WL_WPA_LEVEL_WPA2:
2059 desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED;
2060 break;
2061 }
2062
2063 if (desired_event == event) {
583d077d 2064 pr_debug("%s: completed\n", __func__);
09dde54c
MM		 2065 complete(&wl->assoc_done);
2066 netif_carrier_on(port_to_netdev(wl_port(wl)));
2067 } else
309ea626 2068 pr_debug("%s: event %#llx under wpa\n",
09dde54c
MM		 2069 __func__, event);
2070}
2071
2072/*
2073 * disconnect event
2074 */
2075static void gelic_wl_disconnect_event(struct gelic_wl_info *wl,
2076 u64 event)
2077{
2078 struct gelic_eurus_cmd *cmd;
2079 int lock;
2080
2081 /*
2082 * If we fall here in the middle of association,
2083 * associate_bss() should be waiting for complation of
2084 * wl->assoc_done.
2085 * As it waits with timeout, just leave assoc_done
2086 * uncompleted, then it terminates with timeout
2087 */
bb2d67a3 2088 if (!mutex_trylock(&wl->assoc_stat_lock)) {
09dde54c
MM		 2089 pr_debug("%s: already locked\n", __func__);
2090 lock = 0;
2091 } else {
2092 pr_debug("%s: obtain lock\n", __func__);
2093 lock = 1;
2094 }
2095
2096 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2097 kfree(cmd);
2098
2099 /* send disconnected event to the supplicant */
2100 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2101 gelic_wl_send_iwap_event(wl, NULL);
2102
2103 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2104 netif_carrier_off(port_to_netdev(wl_port(wl)));
2105
2106 if (lock)
bb2d67a3 2107 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 2108}
2109/*
2110 * event worker
2111 */
2112#ifdef DEBUG
2113static const char *eventstr(enum gelic_lv1_wl_event event)
2114{
2115 static char buf[32];
2116 char *ret;
2117 if (event & GELIC_LV1_WL_EVENT_DEVICE_READY)
2118 ret = "EURUS_READY";
2119 else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED)
2120 ret = "SCAN_COMPLETED";
2121 else if (event & GELIC_LV1_WL_EVENT_DEAUTH)
2122 ret = "DEAUTH";
2123 else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST)
2124 ret = "BEACON_LOST";
2125 else if (event & GELIC_LV1_WL_EVENT_CONNECTED)
2126 ret = "CONNECTED";
2127 else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED)
2128 ret = "WPA_CONNECTED";
2129 else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR)
2130 ret = "WPA_ERROR";
2131 else {
2132 sprintf(buf, "Unknown(%#x)", event);
2133 ret = buf;
2134 }
2135 return ret;
2136}
2137#else
2138static const char *eventstr(enum gelic_lv1_wl_event event)
2139{
2140 return NULL;
2141}
2142#endif
2143static void gelic_wl_event_worker(struct work_struct *work)
2144{
2145 struct gelic_wl_info *wl;
2146 struct gelic_port *port;
2147 u64 event, tmp;
2148 int status;
2149
2150 pr_debug("%s:start\n", __func__);
2151 wl = container_of(work, struct gelic_wl_info, event_work.work);
2152 port = wl_port(wl);
2153 while (1) {
2154 status = lv1_net_control(bus_id(port->card), dev_id(port->card),
2155 GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0,
2156 &event, &tmp);
2157 if (status) {
2158 if (status != LV1_NO_ENTRY)
2159 pr_debug("%s:wlan event failed %d\n",
2160 __func__, status);
2161 /* got all events */
2162 pr_debug("%s:end\n", __func__);
2163 return;
2164 }
2165 pr_debug("%s: event=%s\n", __func__, eventstr(event));
2166 switch (event) {
2167 case GELIC_LV1_WL_EVENT_SCAN_COMPLETED:
2168 gelic_wl_scan_complete_event(wl);
2169 break;
2170 case GELIC_LV1_WL_EVENT_BEACON_LOST:
2171 case GELIC_LV1_WL_EVENT_DEAUTH:
2172 gelic_wl_disconnect_event(wl, event);
2173 break;
2174 case GELIC_LV1_WL_EVENT_CONNECTED:
2175 case GELIC_LV1_WL_EVENT_WPA_CONNECTED:
2176 gelic_wl_connected_event(wl, event);
2177 break;
2178 default:
2179 break;
2180 }
2181 } /* while */
2182}
2183/*
2184 * association worker
2185 */
2186static void gelic_wl_assoc_worker(struct work_struct *work)
2187{
2188 struct gelic_wl_info *wl;
2189
2190 struct gelic_wl_scan_info *best_bss;
2191 int ret;
7fd871ed
MM		 2192 unsigned long irqflag;
2193 u8 *essid;
2194 size_t essid_len;
09dde54c
MM		 2195
2196 wl = container_of(work, struct gelic_wl_info, assoc_work.work);
2197
bb2d67a3 2198 mutex_lock(&wl->assoc_stat_lock);
09dde54c
MM		 2199
2200 if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN)
2201 goto out;
2202
7fd871ed
MM		 2203 spin_lock_irqsave(&wl->lock, irqflag);
2204 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
2205 pr_debug("%s: assoc ESSID configured %s\n", __func__,
2206 wl->essid);
2207 essid = wl->essid;
2208 essid_len = wl->essid_len;
2209 } else {
2210 essid = NULL;
2211 essid_len = 0;
2212 }
2213 spin_unlock_irqrestore(&wl->lock, irqflag);
2214
2215 ret = gelic_wl_start_scan(wl, 0, essid, essid_len);
09dde54c
MM		 2216 if (ret == -ERESTARTSYS) {
2217 pr_debug("%s: scan start failed association\n", __func__);
2218 schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/
2219 goto out;
2220 } else if (ret) {
2221 pr_info("%s: scan prerequisite failed\n", __func__);
2222 goto out;
2223 }
2224
2225 /*
2226 * Wait for bss scan completion
2227 * If we have scan list already, gelic_wl_start_scan()
2228 * returns OK and raises the complete. Thus,
2229 * it's ok to wait unconditionally here
2230 */
2231 wait_for_completion(&wl->scan_done);
2232
2233 pr_debug("%s: scan done\n", __func__);
706ddd60 2234 mutex_lock(&wl->scan_lock);
09dde54c
MM		 2235 if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
2236 gelic_wl_send_iwap_event(wl, NULL);
2237 pr_info("%s: no scan list. association failed\n", __func__);
2238 goto scan_lock_out;
2239 }
2240
2241 /* find best matching bss */
2242 best_bss = gelic_wl_find_best_bss(wl);
2243 if (!best_bss) {
2244 gelic_wl_send_iwap_event(wl, NULL);
2245 pr_info("%s: no bss matched. association failed\n", __func__);
2246 goto scan_lock_out;
2247 }
2248
2249 /* ok, do association */
2250 ret = gelic_wl_associate_bss(wl, best_bss);
2251 if (ret)
2252 pr_info("%s: association failed %d\n", __func__, ret);
2253scan_lock_out:
706ddd60 2254 mutex_unlock(&wl->scan_lock);
09dde54c 2255out:
bb2d67a3 2256 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 2257}
2258/*
2259 * Interrupt handler
2260 * Called from the ethernet interrupt handler
2261 * Processes wireless specific virtual interrupts only
2262 */
2263void gelic_wl_interrupt(struct net_device *netdev, u64 status)
2264{
2265 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2266
2267 if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) {
2268 pr_debug("%s:cmd complete\n", __func__);
2269 complete(&wl->cmd_done_intr);
2270 }
2271
2272 if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) {
2273 pr_debug("%s:event received\n", __func__);
2274 queue_delayed_work(wl->event_queue, &wl->event_work, 0);
2275 }
2276}
2277
2278/*
2279 * driver helpers
2280 */
09dde54c
MM		 2281static const iw_handler gelic_wl_wext_handler[] =
2282{
56b632e8
JP		 2283 IW_HANDLER(SIOCGIWNAME, gelic_wl_get_name),
2284 IW_HANDLER(SIOCGIWRANGE, gelic_wl_get_range),
2285 IW_HANDLER(SIOCSIWSCAN, gelic_wl_set_scan),
2286 IW_HANDLER(SIOCGIWSCAN, gelic_wl_get_scan),
2287 IW_HANDLER(SIOCSIWAUTH, gelic_wl_set_auth),
2288 IW_HANDLER(SIOCGIWAUTH, gelic_wl_get_auth),
2289 IW_HANDLER(SIOCSIWESSID, gelic_wl_set_essid),
2290 IW_HANDLER(SIOCGIWESSID, gelic_wl_get_essid),
2291 IW_HANDLER(SIOCSIWENCODE, gelic_wl_set_encode),
2292 IW_HANDLER(SIOCGIWENCODE, gelic_wl_get_encode),
2293 IW_HANDLER(SIOCSIWAP, gelic_wl_set_ap),
2294 IW_HANDLER(SIOCGIWAP, gelic_wl_get_ap),
2295 IW_HANDLER(SIOCSIWENCODEEXT, gelic_wl_set_encodeext),
2296 IW_HANDLER(SIOCGIWENCODEEXT, gelic_wl_get_encodeext),
2297 IW_HANDLER(SIOCSIWMODE, gelic_wl_set_mode),
2298 IW_HANDLER(SIOCGIWMODE, gelic_wl_get_mode),
2299 IW_HANDLER(SIOCGIWNICKN, gelic_wl_get_nick),
09dde54c
MM		 2300};
2301
09dde54c
MM		 2302static const struct iw_handler_def gelic_wl_wext_handler_def = {
2303 .num_standard = ARRAY_SIZE(gelic_wl_wext_handler),
2304 .standard = gelic_wl_wext_handler,
2305 .get_wireless_stats = gelic_wl_get_wireless_stats,
09dde54c
MM		 2306};
2307
48dce82c 2308static struct net_device * __devinit gelic_wl_alloc(struct gelic_card *card)
09dde54c
MM		 2309{
2310 struct net_device *netdev;
2311 struct gelic_port *port;
2312 struct gelic_wl_info *wl;
2313 unsigned int i;
2314
2315 pr_debug("%s:start\n", __func__);
2316 netdev = alloc_etherdev(sizeof(struct gelic_port) +
2317 sizeof(struct gelic_wl_info));
583d077d 2318 pr_debug("%s: netdev =%p card=%p\n", __func__, netdev, card);
09dde54c
MM		 2319 if (!netdev)
2320 return NULL;
2321
c1e889be
MM		 2322 strcpy(netdev->name, "wlan%d");
2323
09dde54c
MM		 2324 port = netdev_priv(netdev);
2325 port->netdev = netdev;
2326 port->card = card;
2327 port->type = GELIC_PORT_WIRELESS;
2328
2329 wl = port_wl(port);
2330 pr_debug("%s: wl=%p port=%p\n", __func__, wl, port);
2331
2332 /* allocate scan list */
2333 wl->networks = kzalloc(sizeof(struct gelic_wl_scan_info) *
2334 GELIC_WL_BSS_MAX_ENT, GFP_KERNEL);
2335
2336 if (!wl->networks)
2337 goto fail_bss;
2338
2339 wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd");
2340 if (!wl->eurus_cmd_queue)
2341 goto fail_cmd_workqueue;
2342
2343 wl->event_queue = create_singlethread_workqueue("gelic_event");
2344 if (!wl->event_queue)
2345 goto fail_event_workqueue;
2346
2347 INIT_LIST_HEAD(&wl->network_free_list);
2348 INIT_LIST_HEAD(&wl->network_list);
2349 for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++)
2350 list_add_tail(&wl->networks[i].list,
2351 &wl->network_free_list);
2352 init_completion(&wl->cmd_done_intr);
2353
2354 INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
2355 INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
706ddd60 2356 mutex_init(&wl->scan_lock);
bb2d67a3 2357 mutex_init(&wl->assoc_stat_lock);
09dde54c
MM		 2358
2359 init_completion(&wl->scan_done);
2360 /* for the case that no scan request is issued and stop() is called */
2361 complete(&wl->scan_done);
2362
2363 spin_lock_init(&wl->lock);
2364
2365 wl->scan_age = 5*HZ; /* FIXME */
2366
2367 /* buffer for receiving scanned list etc */
2368 BUILD_BUG_ON(PAGE_SIZE <
2369 sizeof(struct gelic_eurus_scan_info) *
2370 GELIC_EURUS_MAX_SCAN);
09dde54c
MM		 2371 pr_debug("%s:end\n", __func__);
2372 return netdev;
2373
09dde54c
MM		 2374fail_event_workqueue:
2375 destroy_workqueue(wl->eurus_cmd_queue);
2376fail_cmd_workqueue:
2377 kfree(wl->networks);
2378fail_bss:
2379 free_netdev(netdev);
2380 pr_debug("%s:end error\n", __func__);
2381 return NULL;
2382
2383}
2384
2385static void gelic_wl_free(struct gelic_wl_info *wl)
2386{
2387 struct gelic_wl_scan_info *scan_info;
2388 unsigned int i;
2389
2390 pr_debug("%s: <-\n", __func__);
2391
2392 pr_debug("%s: destroy queues\n", __func__);
2393 destroy_workqueue(wl->eurus_cmd_queue);
2394 destroy_workqueue(wl->event_queue);
2395
2396 scan_info = wl->networks;
2397 for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++)
2398 kfree(scan_info->hwinfo);
2399 kfree(wl->networks);
2400
2401 free_netdev(port_to_netdev(wl_port(wl)));
2402
2403 pr_debug("%s: ->\n", __func__);
2404}
2405
2406static int gelic_wl_try_associate(struct net_device *netdev)
2407{
2408 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2409 int ret = -1;
2410 unsigned int i;
2411
2412 pr_debug("%s: <-\n", __func__);
2413
2414 /* check constraits for start association */
2415 /* for no access restriction AP */
2416 if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) {
2417 if (test_bit(GELIC_WL_STAT_CONFIGURED,
2418 &wl->stat))
2419 goto do_associate;
2420 else {
2421 pr_debug("%s: no wep, not configured\n", __func__);
2422 return ret;
2423 }
2424 }
2425
2426 /* for WEP, one of four keys should be set */
2427 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
2428 /* one of keys set */
2429 for (i = 0; i < GELIC_WEP_KEYS; i++) {
2430 if (test_bit(i, &wl->key_enabled))
2431 goto do_associate;
2432 }
2433 pr_debug("%s: WEP, but no key specified\n", __func__);
2434 return ret;
2435 }
2436
2437 /* for WPA[2], psk should be set */
2438 if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) ||
2439 (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) {
2440 if (test_bit(GELIC_WL_STAT_WPA_PSK_SET,
2441 &wl->stat))
2442 goto do_associate;
2443 else {
2444 pr_debug("%s: AES/TKIP, but PSK not configured\n",
2445 __func__);
2446 return ret;
2447 }
2448 }
2449
2450do_associate:
2451 ret = schedule_delayed_work(&wl->assoc_work, 0);
2452 pr_debug("%s: start association work %d\n", __func__, ret);
2453 return ret;
2454}
2455
2456/*
2457 * netdev handlers
2458 */
2459static int gelic_wl_open(struct net_device *netdev)
2460{
2461 struct gelic_card *card = netdev_card(netdev);
2462
2463 pr_debug("%s:->%p\n", __func__, netdev);
2464
2465 gelic_card_up(card);
2466
2467 /* try to associate */
2468 gelic_wl_try_associate(netdev);
2469
2470 netif_start_queue(netdev);
2471
2472 pr_debug("%s:<-\n", __func__);
2473 return 0;
2474}
2475
2476/*
2477 * reset state machine
2478 */
2479static int gelic_wl_reset_state(struct gelic_wl_info *wl)
2480{
2481 struct gelic_wl_scan_info *target;
2482 struct gelic_wl_scan_info *tmp;
2483
2484 /* empty scan list */
2485 list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
2486 list_move_tail(&target->list, &wl->network_free_list);
2487 }
2488 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
2489
2490 /* clear configuration */
2491 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
2492 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
2493 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
2494 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
2495
2496 wl->key_enabled = 0;
2497 wl->current_key = 0;
2498
2499 wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
2500 wl->psk_len = 0;
2501
2502 wl->essid_len = 0;
2503 memset(wl->essid, 0, sizeof(wl->essid));
2504 memset(wl->bssid, 0, sizeof(wl->bssid));
2505 memset(wl->active_bssid, 0, sizeof(wl->active_bssid));
2506
2507 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2508
2509 memset(&wl->iwstat, 0, sizeof(wl->iwstat));
2510 /* all status bit clear */
2511 wl->stat = 0;
2512 return 0;
2513}
2514
2515/*
2516 * Tell eurus to terminate association
2517 */
2518static void gelic_wl_disconnect(struct net_device *netdev)
2519{
2520 struct gelic_port *port = netdev_priv(netdev);
2521 struct gelic_wl_info *wl = port_wl(port);
2522 struct gelic_eurus_cmd *cmd;
2523
2524 /*
2525 * If scann process is running on chip,
2526 * further requests will be rejected
2527 */
2528 if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING)
2529 wait_for_completion_timeout(&wl->scan_done, HZ);
2530
2531 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2532 kfree(cmd);
2533 gelic_wl_send_iwap_event(wl, NULL);
2534};
2535
2536static int gelic_wl_stop(struct net_device *netdev)
2537{
2538 struct gelic_port *port = netdev_priv(netdev);
2539 struct gelic_wl_info *wl = port_wl(port);
2540 struct gelic_card *card = netdev_card(netdev);
2541
2542 pr_debug("%s:<-\n", __func__);
2543
2544 /*
2545 * Cancel pending association work.
2546 * event work can run after netdev down
2547 */
2548 cancel_delayed_work(&wl->assoc_work);
2549
2550 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2551 gelic_wl_disconnect(netdev);
2552
2553 /* reset our state machine */
2554 gelic_wl_reset_state(wl);
2555
2556 netif_stop_queue(netdev);
2557
2558 gelic_card_down(card);
2559
2560 pr_debug("%s:->\n", __func__);
2561 return 0;
2562}
2563
2564/* -- */
2565
31e2b7bd
MM		 2566static const struct net_device_ops gelic_wl_netdevice_ops = {
2567 .ndo_open = gelic_wl_open,
2568 .ndo_stop = gelic_wl_stop,
2569 .ndo_start_xmit = gelic_net_xmit,
afc4b13d 2570 .ndo_set_rx_mode = gelic_net_set_multi,
31e2b7bd
MM		 2571 .ndo_change_mtu = gelic_net_change_mtu,
2572 .ndo_tx_timeout = gelic_net_tx_timeout,
240c102d 2573 .ndo_set_mac_address = eth_mac_addr,
31e2b7bd
MM		 2574 .ndo_validate_addr = eth_validate_addr,
2575#ifdef CONFIG_NET_POLL_CONTROLLER
2576 .ndo_poll_controller = gelic_net_poll_controller,
2577#endif
2578};
2579
0fc0b732 2580static const struct ethtool_ops gelic_wl_ethtool_ops = {
09dde54c
MM		 2581 .get_drvinfo = gelic_net_get_drvinfo,
2582 .get_link = gelic_wl_get_link,
09dde54c
MM		 2583};
2584
48dce82c 2585static void __devinit gelic_wl_setup_netdev_ops(struct net_device *netdev)
09dde54c
MM		 2586{
2587 struct gelic_wl_info *wl;
2588 wl = port_wl(netdev_priv(netdev));
2589 BUG_ON(!wl);
09dde54c
MM		 2590 netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT;
2591
2592 netdev->ethtool_ops = &gelic_wl_ethtool_ops;
31e2b7bd
MM		 2593 netdev->netdev_ops = &gelic_wl_netdevice_ops;
2594 netdev->wireless_data = &wl->wireless_data;
2595 netdev->wireless_handlers = &gelic_wl_wext_handler_def;
09dde54c
MM		 2596}
2597
2598/*
2599 * driver probe/remove
2600 */
48dce82c 2601int __devinit gelic_wl_driver_probe(struct gelic_card *card)
09dde54c
MM		 2602{
2603 int ret;
2604 struct net_device *netdev;
2605
2606 pr_debug("%s:start\n", __func__);
2607
2608 if (ps3_compare_firmware_version(1, 6, 0) < 0)
2609 return 0;
2610 if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2611 return 0;
2612
2613 /* alloc netdevice for wireless */
2614 netdev = gelic_wl_alloc(card);
2615 if (!netdev)
2616 return -ENOMEM;
2617
2618 /* setup net_device structure */
4b74850d 2619 SET_NETDEV_DEV(netdev, &card->dev->core);
09dde54c
MM		 2620 gelic_wl_setup_netdev_ops(netdev);
2621
2622 /* setup some of net_device and register it */
2623 ret = gelic_net_setup_netdev(netdev, card);
2624 if (ret)
2625 goto fail_setup;
2626 card->netdev[GELIC_PORT_WIRELESS] = netdev;
2627
2628 /* add enable wireless interrupt */
2629 card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED |
2630 GELIC_CARD_WLAN_COMMAND_COMPLETED;
2631 /* to allow wireless commands while both interfaces are down */
2632 gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED |
2633 GELIC_CARD_WLAN_COMMAND_COMPLETED);
2634 pr_debug("%s:end\n", __func__);
2635 return 0;
2636
2637fail_setup:
2638 gelic_wl_free(port_wl(netdev_port(netdev)));
2639
2640 return ret;
2641}
2642
2643int gelic_wl_driver_remove(struct gelic_card *card)
2644{
2645 struct gelic_wl_info *wl;
2646 struct net_device *netdev;
2647
2648 pr_debug("%s:start\n", __func__);
2649
2650 if (ps3_compare_firmware_version(1, 6, 0) < 0)
2651 return 0;
2652 if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2653 return 0;
2654
2655 netdev = card->netdev[GELIC_PORT_WIRELESS];
2656 wl = port_wl(netdev_priv(netdev));
2657
2658 /* if the interface was not up, but associated */
2659 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2660 gelic_wl_disconnect(netdev);
2661
2662 complete(&wl->cmd_done_intr);
2663
2664 /* cancel all work queue */
2665 cancel_delayed_work(&wl->assoc_work);
2666 cancel_delayed_work(&wl->event_work);
2667 flush_workqueue(wl->eurus_cmd_queue);
2668 flush_workqueue(wl->event_queue);
2669
2670 unregister_netdev(netdev);
2671
2672 /* disable wireless interrupt */
2673 pr_debug("%s: disable intr\n", __func__);
2674 card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED |
2675 GELIC_CARD_WLAN_COMMAND_COMPLETED);
2676 /* free bss list, netdev*/
2677 gelic_wl_free(wl);
2678 pr_debug("%s:end\n", __func__);
2679 return 0;
2680}
Linux 6.x block layer and io_uring tree(s)