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tg3: Refine phylib support
[net-next-2.6.git] / drivers / net / 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>
24
25#include <linux/etherdevice.h>
26#include <linux/ethtool.h>
27#include <linux/if_vlan.h>
28
29#include <linux/in.h>
30#include <linux/ip.h>
31#include <linux/tcp.h>
32#include <linux/wireless.h>
33#include <linux/ctype.h>
34#include <linux/string.h>
35#include <net/iw_handler.h>
36#include <net/ieee80211.h>
37
38#include <linux/dma-mapping.h>
39#include <net/checksum.h>
40#include <asm/firmware.h>
41#include <asm/ps3.h>
42#include <asm/lv1call.h>
43
44#include "ps3_gelic_net.h"
45#include "ps3_gelic_wireless.h"
46
47
7fd871ed
MM		 48static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
49 u8 *essid, size_t essid_len);
09dde54c
MM		 50static int gelic_wl_try_associate(struct net_device *netdev);
51
52/*
53 * tables
54 */
55
56/* 802.11b/g channel to freq in MHz */
57static const int channel_freq[] = {
58 2412, 2417, 2422, 2427, 2432,
59 2437, 2442, 2447, 2452, 2457,
60 2462, 2467, 2472, 2484
61};
62#define NUM_CHANNELS ARRAY_SIZE(channel_freq)
63
64/* in bps */
65static const int bitrate_list[] = {
66 1000000,
67 2000000,
68 5500000,
69 11000000,
70 6000000,
71 9000000,
72 12000000,
73 18000000,
74 24000000,
75 36000000,
76 48000000,
77 54000000
78};
79#define NUM_BITRATES ARRAY_SIZE(bitrate_list)
80
81/*
82 * wpa2 support requires the hypervisor version 2.0 or later
83 */
84static inline int wpa2_capable(void)
85{
86 return (0 <= ps3_compare_firmware_version(2, 0, 0));
87}
88
89static inline int precise_ie(void)
90{
49d20fac 91 return (0 <= ps3_compare_firmware_version(2, 2, 0));
09dde54c
MM		 92}
93/*
94 * post_eurus_cmd helpers
95 */
96struct eurus_cmd_arg_info {
97 int pre_arg; /* command requres arg1, arg2 at POST COMMAND */
98 int post_arg; /* command requires arg1, arg2 at GET_RESULT */
99};
100
101static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = {
102 [GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1},
103 [GELIC_EURUS_CMD_SET_WEP_CFG] = { .pre_arg = 1},
104 [GELIC_EURUS_CMD_SET_WPA_CFG] = { .pre_arg = 1},
105 [GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1},
106 [GELIC_EURUS_CMD_GET_WEP_CFG] = { .post_arg = 1},
107 [GELIC_EURUS_CMD_GET_WPA_CFG] = { .post_arg = 1},
108 [GELIC_EURUS_CMD_GET_RSSI_CFG] = { .post_arg = 1},
7fd871ed 109 [GELIC_EURUS_CMD_START_SCAN] = { .pre_arg = 1},
09dde54c
MM		 110 [GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1},
111};
112
113#ifdef DEBUG
114static const char *cmdstr(enum gelic_eurus_command ix)
115{
116 switch (ix) {
117 case GELIC_EURUS_CMD_ASSOC:
118 return "ASSOC";
119 case GELIC_EURUS_CMD_DISASSOC:
120 return "DISASSOC";
121 case GELIC_EURUS_CMD_START_SCAN:
122 return "SCAN";
123 case GELIC_EURUS_CMD_GET_SCAN:
124 return "GET SCAN";
125 case GELIC_EURUS_CMD_SET_COMMON_CFG:
126 return "SET_COMMON_CFG";
127 case GELIC_EURUS_CMD_GET_COMMON_CFG:
128 return "GET_COMMON_CFG";
129 case GELIC_EURUS_CMD_SET_WEP_CFG:
130 return "SET_WEP_CFG";
131 case GELIC_EURUS_CMD_GET_WEP_CFG:
132 return "GET_WEP_CFG";
133 case GELIC_EURUS_CMD_SET_WPA_CFG:
134 return "SET_WPA_CFG";
135 case GELIC_EURUS_CMD_GET_WPA_CFG:
136 return "GET_WPA_CFG";
137 case GELIC_EURUS_CMD_GET_RSSI_CFG:
138 return "GET_RSSI";
139 default:
140 break;
141 }
142 return "";
143};
144#else
145static inline const char *cmdstr(enum gelic_eurus_command ix)
146{
147 return "";
148}
149#endif
150
151/* synchronously do eurus commands */
152static void gelic_eurus_sync_cmd_worker(struct work_struct *work)
153{
154 struct gelic_eurus_cmd *cmd;
155 struct gelic_card *card;
156 struct gelic_wl_info *wl;
157
158 u64 arg1, arg2;
159
160 pr_debug("%s: <-\n", __func__);
161 cmd = container_of(work, struct gelic_eurus_cmd, work);
162 BUG_ON(cmd_info[cmd->cmd].pre_arg &&
163 cmd_info[cmd->cmd].post_arg);
164 wl = cmd->wl;
165 card = port_to_card(wl_port(wl));
166
167 if (cmd_info[cmd->cmd].pre_arg) {
7fd871ed
MM		 168 arg1 = (cmd->buffer) ?
169 ps3_mm_phys_to_lpar(__pa(cmd->buffer)) :
170 0;
09dde54c
MM		 171 arg2 = cmd->buf_size;
172 } else {
173 arg1 = 0;
174 arg2 = 0;
175 }
176 init_completion(&wl->cmd_done_intr);
177 pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd));
178 cmd->status = lv1_net_control(bus_id(card), dev_id(card),
179 GELIC_LV1_POST_WLAN_CMD,
180 cmd->cmd, arg1, arg2,
181 &cmd->tag, &cmd->size);
182 if (cmd->status) {
183 complete(&cmd->done);
184 pr_info("%s: cmd issue failed\n", __func__);
185 return;
186 }
187
188 wait_for_completion(&wl->cmd_done_intr);
189
190 if (cmd_info[cmd->cmd].post_arg) {
191 arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer));
192 arg2 = cmd->buf_size;
193 } else {
194 arg1 = 0;
195 arg2 = 0;
196 }
197
198 cmd->status = lv1_net_control(bus_id(card), dev_id(card),
199 GELIC_LV1_GET_WLAN_CMD_RESULT,
200 cmd->tag, arg1, arg2,
201 &cmd->cmd_status, &cmd->size);
202#ifdef DEBUG
203 if (cmd->status || cmd->cmd_status) {
204 pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__,
205 cmd->tag, arg1, arg2);
206 pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n",
207 __func__, cmd->status, cmd->cmd_status, cmd->size);
208 }
209#endif
210 complete(&cmd->done);
211 pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd));
212}
213
214static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl,
215 unsigned int eurus_cmd,
216 void *buffer,
217 unsigned int buf_size)
218{
219 struct gelic_eurus_cmd *cmd;
220
221 /* allocate cmd */
222 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
223 if (!cmd)
224 return NULL;
225
226 /* initialize members */
227 cmd->cmd = eurus_cmd;
228 cmd->buffer = buffer;
229 cmd->buf_size = buf_size;
230 cmd->wl = wl;
231 INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker);
232 init_completion(&cmd->done);
233 queue_work(wl->eurus_cmd_queue, &cmd->work);
234
235 /* wait for command completion */
236 wait_for_completion(&cmd->done);
237
238 return cmd;
239}
240
241static u32 gelic_wl_get_link(struct net_device *netdev)
242{
243 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
244 u32 ret;
245
246 pr_debug("%s: <-\n", __func__);
bb2d67a3 247 mutex_lock(&wl->assoc_stat_lock);
09dde54c
MM		 248 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
249 ret = 1;
250 else
251 ret = 0;
bb2d67a3 252 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 253 pr_debug("%s: ->\n", __func__);
254 return ret;
255}
256
257static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid)
258{
259 union iwreq_data data;
260
261 memset(&data, 0, sizeof(data));
262 if (bssid)
263 memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN);
264 data.ap_addr.sa_family = ARPHRD_ETHER;
265 wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP,
266 &data, NULL);
267}
268
269/*
270 * wireless extension handlers and helpers
271 */
272
273/* SIOGIWNAME */
274static int gelic_wl_get_name(struct net_device *dev,
275 struct iw_request_info *info,
276 union iwreq_data *iwreq, char *extra)
277{
278 strcpy(iwreq->name, "IEEE 802.11bg");
279 return 0;
280}
281
282static void gelic_wl_get_ch_info(struct gelic_wl_info *wl)
283{
284 struct gelic_card *card = port_to_card(wl_port(wl));
285 u64 ch_info_raw, tmp;
286 int status;
287
288 if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) {
289 status = lv1_net_control(bus_id(card), dev_id(card),
290 GELIC_LV1_GET_CHANNEL, 0, 0, 0,
291 &ch_info_raw,
292 &tmp);
293 /* some fw versions may return error */
294 if (status) {
295 if (status != LV1_NO_ENTRY)
296 pr_info("%s: available ch unknown\n", __func__);
297 wl->ch_info = 0x07ff;/* 11 ch */
298 } else
299 /* 16 bits of MSB has available channels */
300 wl->ch_info = ch_info_raw >> 48;
301 }
302 return;
303}
304
305/* SIOGIWRANGE */
306static int gelic_wl_get_range(struct net_device *netdev,
307 struct iw_request_info *info,
308 union iwreq_data *iwreq, char *extra)
309{
310 struct iw_point *point = &iwreq->data;
311 struct iw_range *range = (struct iw_range *)extra;
312 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
313 unsigned int i, chs;
314
315 pr_debug("%s: <-\n", __func__);
316 point->length = sizeof(struct iw_range);
317 memset(range, 0, sizeof(struct iw_range));
318
319 range->we_version_compiled = WIRELESS_EXT;
320 range->we_version_source = 22;
321
322 /* available channels and frequencies */
323 gelic_wl_get_ch_info(wl);
324
325 for (i = 0, chs = 0;
326 i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++)
327 if (wl->ch_info & (1 << i)) {
328 range->freq[chs].i = i + 1;
329 range->freq[chs].m = channel_freq[i];
330 range->freq[chs].e = 6;
331 chs++;
332 }
333 range->num_frequency = chs;
334 range->old_num_frequency = chs;
335 range->num_channels = chs;
336 range->old_num_channels = chs;
337
338 /* bitrates */
339 for (i = 0; i < NUM_BITRATES; i++)
340 range->bitrate[i] = bitrate_list[i];
341 range->num_bitrates = i;
342
343 /* signal levels */
344 range->max_qual.qual = 100; /* relative value */
345 range->max_qual.level = 100;
346 range->avg_qual.qual = 50;
347 range->avg_qual.level = 50;
348 range->sensitivity = 0;
349
350 /* Event capability */
351 IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
352 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
353 IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
354
355 /* encryption capability */
356 range->enc_capa = IW_ENC_CAPA_WPA |
04b2046c
MM		 357 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP |
358 IW_ENC_CAPA_4WAY_HANDSHAKE;
09dde54c
MM		 359 if (wpa2_capable())
360 range->enc_capa |= IW_ENC_CAPA_WPA2;
361 range->encoding_size[0] = 5; /* 40bit WEP */
362 range->encoding_size[1] = 13; /* 104bit WEP */
363 range->encoding_size[2] = 32; /* WPA-PSK */
364 range->num_encoding_sizes = 3;
365 range->max_encoding_tokens = GELIC_WEP_KEYS;
366
7fd871ed
MM		 367 /* scan capability */
368 range->scan_capa = IW_SCAN_CAPA_ESSID;
369
09dde54c
MM		 370 pr_debug("%s: ->\n", __func__);
371 return 0;
372
373}
374
375/* SIOC{G,S}IWSCAN */
376static int gelic_wl_set_scan(struct net_device *netdev,
377 struct iw_request_info *info,
378 union iwreq_data *wrqu, char *extra)
379{
380 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
7fd871ed
MM		 381 struct iw_scan_req *req;
382 u8 *essid = NULL;
383 size_t essid_len = 0;
384
385 if (wrqu->data.length == sizeof(struct iw_scan_req) &&
386 wrqu->data.flags & IW_SCAN_THIS_ESSID) {
387 req = (struct iw_scan_req*)extra;
388 essid = req->essid;
389 essid_len = req->essid_len;
390 pr_debug("%s: ESSID scan =%s\n", __func__, essid);
391 }
392 return gelic_wl_start_scan(wl, 1, essid, essid_len);
09dde54c
MM		 393}
394
395#define OUI_LEN 3
396static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac };
397static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 };
398
399/*
400 * synthesize WPA/RSN IE data
401 * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25
402 * for the format
403 */
404static size_t gelic_wl_synthesize_ie(u8 *buf,
405 struct gelic_eurus_scan_info *scan)
406{
407
408 const u8 *oui_header;
409 u8 *start = buf;
410 int rsn;
411 int ccmp;
412
413 pr_debug("%s: <- sec=%16x\n", __func__, scan->security);
414 switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) {
415 case GELIC_EURUS_SCAN_SEC_WPA:
416 rsn = 0;
417 break;
418 case GELIC_EURUS_SCAN_SEC_WPA2:
419 rsn = 1;
420 break;
421 default:
422 /* WEP or none. No IE returned */
423 return 0;
424 }
425
426 switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) {
427 case GELIC_EURUS_SCAN_SEC_WPA_TKIP:
428 ccmp = 0;
429 break;
430 case GELIC_EURUS_SCAN_SEC_WPA_AES:
431 ccmp = 1;
432 break;
433 default:
434 if (rsn) {
435 ccmp = 1;
436 pr_info("%s: no cipher info. defaulted to CCMP\n",
437 __func__);
438 } else {
439 ccmp = 0;
440 pr_info("%s: no cipher info. defaulted to TKIP\n",
441 __func__);
442 }
443 }
444
445 if (rsn)
446 oui_header = rsn_oui;
447 else
448 oui_header = wpa_oui;
449
450 /* element id */
451 if (rsn)
452 *buf++ = MFIE_TYPE_RSN;
453 else
454 *buf++ = MFIE_TYPE_GENERIC;
455
456 /* length filed; set later */
457 buf++;
458
459 /* wpa special header */
460 if (!rsn) {
461 memcpy(buf, wpa_oui, OUI_LEN);
462 buf += OUI_LEN;
463 *buf++ = 0x01;
464 }
465
466 /* version */
467 *buf++ = 0x01; /* version 1.0 */
468 *buf++ = 0x00;
469
470 /* group cipher */
471 memcpy(buf, oui_header, OUI_LEN);
472 buf += OUI_LEN;
473
474 if (ccmp)
475 *buf++ = 0x04; /* CCMP */
476 else
477 *buf++ = 0x02; /* TKIP */
478
479 /* pairwise key count always 1 */
480 *buf++ = 0x01;
481 *buf++ = 0x00;
482
483 /* pairwise key suit */
484 memcpy(buf, oui_header, OUI_LEN);
485 buf += OUI_LEN;
486 if (ccmp)
487 *buf++ = 0x04; /* CCMP */
488 else
489 *buf++ = 0x02; /* TKIP */
490
491 /* AKM count is 1 */
492 *buf++ = 0x01;
493 *buf++ = 0x00;
494
495 /* AKM suite is assumed as PSK*/
496 memcpy(buf, oui_header, OUI_LEN);
497 buf += OUI_LEN;
498 *buf++ = 0x02; /* PSK */
499
500 /* RSN capabilities is 0 */
501 *buf++ = 0x00;
502 *buf++ = 0x00;
503
504 /* set length field */
505 start[1] = (buf - start - 2);
506
507 pr_debug("%s: ->\n", __func__);
508 return (buf - start);
509}
510
511struct ie_item {
512 u8 *data;
513 u8 len;
514};
515
516struct ie_info {
517 struct ie_item wpa;
518 struct ie_item rsn;
519};
520
521static void gelic_wl_parse_ie(u8 *data, size_t len,
522 struct ie_info *ie_info)
523{
524 size_t data_left = len;
525 u8 *pos = data;
526 u8 item_len;
527 u8 item_id;
528
529 pr_debug("%s: data=%p len=%ld \n", __func__,
530 data, len);
531 memset(ie_info, 0, sizeof(struct ie_info));
532
b358492c 533 while (2 <= data_left) {
09dde54c
MM		 534 item_id = *pos++;
535 item_len = *pos++;
b358492c
MM		 536 data_left -= 2;
537
538 if (data_left < item_len)
539 break;
09dde54c
MM		 540
541 switch (item_id) {
542 case MFIE_TYPE_GENERIC:
b358492c
MM		 543 if ((OUI_LEN + 1 <= item_len) &&
544 !memcmp(pos, wpa_oui, OUI_LEN) &&
09dde54c
MM		 545 pos[OUI_LEN] == 0x01) {
546 ie_info->wpa.data = pos - 2;
547 ie_info->wpa.len = item_len + 2;
548 }
549 break;
550 case MFIE_TYPE_RSN:
551 ie_info->rsn.data = pos - 2;
552 /* length includes the header */
553 ie_info->rsn.len = item_len + 2;
554 break;
555 default:
556 pr_debug("%s: ignore %#x,%d\n", __func__,
557 item_id, item_len);
558 break;
559 }
560 pos += item_len;
b358492c 561 data_left -= item_len;
09dde54c
MM		 562 }
563 pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__,
564 ie_info->wpa.data, ie_info->wpa.len,
565 ie_info->rsn.data, ie_info->rsn.len);
566}
567
568
569/*
570 * translate the scan informations from hypervisor to a
571 * independent format
572 */
573static char *gelic_wl_translate_scan(struct net_device *netdev,
ccc58057 574 struct iw_request_info *info,
09dde54c
MM		 575 char *ev,
576 char *stop,
577 struct gelic_wl_scan_info *network)
578{
579 struct iw_event iwe;
580 struct gelic_eurus_scan_info *scan = network->hwinfo;
581 char *tmp;
582 u8 rate;
583 unsigned int i, j, len;
584 u8 buf[MAX_WPA_IE_LEN];
585
586 pr_debug("%s: <-\n", __func__);
587
588 /* first entry should be AP's mac address */
589 iwe.cmd = SIOCGIWAP;
590 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
591 memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN);
ccc58057 592 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_ADDR_LEN);
09dde54c
MM		 593
594 /* ESSID */
595 iwe.cmd = SIOCGIWESSID;
596 iwe.u.data.flags = 1;
597 iwe.u.data.length = strnlen(scan->essid, 32);
ccc58057 598 ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
09dde54c
MM		 599
600 /* FREQUENCY */
601 iwe.cmd = SIOCGIWFREQ;
602 iwe.u.freq.m = be16_to_cpu(scan->channel);
603 iwe.u.freq.e = 0; /* table value in MHz */
604 iwe.u.freq.i = 0;
ccc58057 605 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_FREQ_LEN);
09dde54c
MM		 606
607 /* RATES */
608 iwe.cmd = SIOCGIWRATE;
609 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
610 /* to stuff multiple values in one event */
ccc58057 611 tmp = ev + iwe_stream_lcp_len(info);
09dde54c
MM		 612 /* put them in ascendant order (older is first) */
613 i = 0;
614 j = 0;
615 pr_debug("%s: rates=%d rate=%d\n", __func__,
616 network->rate_len, network->rate_ext_len);
617 while (i < network->rate_len) {
618 if (j < network->rate_ext_len &&
619 ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f)))
620 rate = scan->ext_rate[j++] & 0x7f;
621 else
622 rate = scan->rate[i++] & 0x7f;
623 iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */
ccc58057 624 tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
09dde54c
MM		 625 IW_EV_PARAM_LEN);
626 }
627 while (j < network->rate_ext_len) {
628 iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000;
ccc58057 629 tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
09dde54c
MM		 630 IW_EV_PARAM_LEN);
631 }
632 /* Check if we added any rate */
ccc58057 633 if (iwe_stream_lcp_len(info) < (tmp - ev))
09dde54c
MM		 634 ev = tmp;
635
636 /* ENCODE */
637 iwe.cmd = SIOCGIWENCODE;
638 if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY)
639 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
640 else
641 iwe.u.data.flags = IW_ENCODE_DISABLED;
642 iwe.u.data.length = 0;
ccc58057 643 ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
09dde54c
MM		 644
645 /* MODE */
646 iwe.cmd = SIOCGIWMODE;
647 if (be16_to_cpu(scan->capability) &
648 (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
649 if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS)
650 iwe.u.mode = IW_MODE_MASTER;
651 else
652 iwe.u.mode = IW_MODE_ADHOC;
ccc58057 653 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_UINT_LEN);
09dde54c
MM		 654 }
655
656 /* QUAL */
657 iwe.cmd = IWEVQUAL;
658 iwe.u.qual.updated = IW_QUAL_ALL_UPDATED |
659 IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
660 iwe.u.qual.level = be16_to_cpu(scan->rssi);
661 iwe.u.qual.qual = be16_to_cpu(scan->rssi);
662 iwe.u.qual.noise = 0;
ccc58057 663 ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_QUAL_LEN);
09dde54c
MM		 664
665 /* RSN */
666 memset(&iwe, 0, sizeof(iwe));
667 if (be16_to_cpu(scan->size) <= sizeof(*scan)) {
668 /* If wpa[2] capable station, synthesize IE and put it */
669 len = gelic_wl_synthesize_ie(buf, scan);
670 if (len) {
671 iwe.cmd = IWEVGENIE;
672 iwe.u.data.length = len;
ccc58057 673 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
09dde54c
MM		 674 }
675 } else {
676 /* this scan info has IE data */
677 struct ie_info ie_info;
678 size_t data_len;
679
680 data_len = be16_to_cpu(scan->size) - sizeof(*scan);
681
682 gelic_wl_parse_ie(scan->elements, data_len, &ie_info);
683
684 if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) {
685 memcpy(buf, ie_info.wpa.data, ie_info.wpa.len);
686 iwe.cmd = IWEVGENIE;
687 iwe.u.data.length = ie_info.wpa.len;
ccc58057 688 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
09dde54c
MM		 689 }
690
691 if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) {
692 memset(&iwe, 0, sizeof(iwe));
693 memcpy(buf, ie_info.rsn.data, ie_info.rsn.len);
694 iwe.cmd = IWEVGENIE;
695 iwe.u.data.length = ie_info.rsn.len;
ccc58057 696 ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
09dde54c
MM		 697 }
698 }
699
700 pr_debug("%s: ->\n", __func__);
701 return ev;
702}
703
704
705static int gelic_wl_get_scan(struct net_device *netdev,
706 struct iw_request_info *info,
707 union iwreq_data *wrqu, char *extra)
708{
709 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
710 struct gelic_wl_scan_info *scan_info;
711 char *ev = extra;
712 char *stop = ev + wrqu->data.length;
713 int ret = 0;
714 unsigned long this_time = jiffies;
715
716 pr_debug("%s: <-\n", __func__);
706ddd60 717 if (mutex_lock_interruptible(&wl->scan_lock))
09dde54c
MM		 718 return -EAGAIN;
719
720 switch (wl->scan_stat) {
721 case GELIC_WL_SCAN_STAT_SCANNING:
722 /* If a scan in progress, caller should call me again */
723 ret = -EAGAIN;
724 goto out;
725 break;
726
727 case GELIC_WL_SCAN_STAT_INIT:
728 /* last scan request failed or never issued */
729 ret = -ENODEV;
730 goto out;
731 break;
732 case GELIC_WL_SCAN_STAT_GOT_LIST:
733 /* ok, use current list */
734 break;
735 }
736
737 list_for_each_entry(scan_info, &wl->network_list, list) {
738 if (wl->scan_age == 0 ||
739 time_after(scan_info->last_scanned + wl->scan_age,
740 this_time))
ccc58057
DM		 741 ev = gelic_wl_translate_scan(netdev, info,
742 ev, stop,
09dde54c
MM		 743 scan_info);
744 else
745 pr_debug("%s:entry too old\n", __func__);
746
747 if (stop - ev <= IW_EV_ADDR_LEN) {
748 ret = -E2BIG;
749 goto out;
750 }
751 }
752
753 wrqu->data.length = ev - extra;
754 wrqu->data.flags = 0;
755out:
706ddd60 756 mutex_unlock(&wl->scan_lock);
09dde54c
MM		 757 pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length);
758 return ret;
759}
760
761#ifdef DEBUG
762static void scan_list_dump(struct gelic_wl_info *wl)
763{
764 struct gelic_wl_scan_info *scan_info;
765 int i;
09dde54c
MM		 766
767 i = 0;
768 list_for_each_entry(scan_info, &wl->network_list, list) {
769 pr_debug("%s: item %d\n", __func__, i++);
770 pr_debug("valid=%d eurusindex=%d last=%lx\n",
771 scan_info->valid, scan_info->eurus_index,
772 scan_info->last_scanned);
773 pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n",
774 scan_info->rate_len, scan_info->rate_ext_len,
775 scan_info->essid_len);
776 /* -- */
e174961c 777 pr_debug("bssid=%pM\n", &scan_info->hwinfo->bssid[2]);
09dde54c
MM		 778 pr_debug("essid=%s\n", scan_info->hwinfo->essid);
779 }
780}
781#endif
782
783static int gelic_wl_set_auth(struct net_device *netdev,
784 struct iw_request_info *info,
785 union iwreq_data *data, char *extra)
786{
787 struct iw_param *param = &data->param;
788 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
789 unsigned long irqflag;
790 int ret = 0;
791
792 pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
793 spin_lock_irqsave(&wl->lock, irqflag);
794 switch (param->flags & IW_AUTH_INDEX) {
795 case IW_AUTH_WPA_VERSION:
796 if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
797 pr_debug("%s: NO WPA selected\n", __func__);
798 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
799 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
800 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
801 }
802 if (param->value & IW_AUTH_WPA_VERSION_WPA) {
803 pr_debug("%s: WPA version 1 selected\n", __func__);
804 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
805 wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
806 wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
807 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
808 }
809 if (param->value & IW_AUTH_WPA_VERSION_WPA2) {
810 /*
811 * As the hypervisor may not tell the cipher
812 * information of the AP if it is WPA2,
813 * you will not decide suitable cipher from
814 * its beacon.
815 * You should have knowledge about the AP's
816 * cipher infomation in other method prior to
817 * the association.
818 */
819 if (!precise_ie())
820 pr_info("%s: WPA2 may not work\n", __func__);
821 if (wpa2_capable()) {
822 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2;
823 wl->group_cipher_method = GELIC_WL_CIPHER_AES;
824 wl->pairwise_cipher_method =
825 GELIC_WL_CIPHER_AES;
826 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
827 } else
828 ret = -EINVAL;
829 }
830 break;
831
832 case IW_AUTH_CIPHER_PAIRWISE:
833 if (param->value &
834 (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
835 pr_debug("%s: WEP selected\n", __func__);
836 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
837 }
838 if (param->value & IW_AUTH_CIPHER_TKIP) {
839 pr_debug("%s: TKIP selected\n", __func__);
840 wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
841 }
842 if (param->value & IW_AUTH_CIPHER_CCMP) {
843 pr_debug("%s: CCMP selected\n", __func__);
844 wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES;
845 }
846 if (param->value & IW_AUTH_CIPHER_NONE) {
847 pr_debug("%s: no auth selected\n", __func__);
848 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
849 }
850 break;
851 case IW_AUTH_CIPHER_GROUP:
852 if (param->value &
853 (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
854 pr_debug("%s: WEP selected\n", __func__);
855 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
856 }
857 if (param->value & IW_AUTH_CIPHER_TKIP) {
858 pr_debug("%s: TKIP selected\n", __func__);
859 wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
860 }
861 if (param->value & IW_AUTH_CIPHER_CCMP) {
862 pr_debug("%s: CCMP selected\n", __func__);
863 wl->group_cipher_method = GELIC_WL_CIPHER_AES;
864 }
865 if (param->value & IW_AUTH_CIPHER_NONE) {
866 pr_debug("%s: no auth selected\n", __func__);
867 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
868 }
869 break;
870 case IW_AUTH_80211_AUTH_ALG:
871 if (param->value & IW_AUTH_ALG_SHARED_KEY) {
872 pr_debug("%s: shared key specified\n", __func__);
873 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
874 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
875 pr_debug("%s: open system specified\n", __func__);
876 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
877 } else
878 ret = -EINVAL;
879 break;
880
881 case IW_AUTH_WPA_ENABLED:
882 if (param->value) {
883 pr_debug("%s: WPA enabled\n", __func__);
884 wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
885 } else {
886 pr_debug("%s: WPA disabled\n", __func__);
887 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
888 }
889 break;
890
891 case IW_AUTH_KEY_MGMT:
892 if (param->value & IW_AUTH_KEY_MGMT_PSK)
893 break;
894 /* intentionally fall through */
895 default:
896 ret = -EOPNOTSUPP;
897 break;
898 };
899
900 if (!ret)
901 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
902
903 spin_unlock_irqrestore(&wl->lock, irqflag);
904 pr_debug("%s: -> %d\n", __func__, ret);
905 return ret;
906}
907
908static int gelic_wl_get_auth(struct net_device *netdev,
909 struct iw_request_info *info,
910 union iwreq_data *iwreq, char *extra)
911{
912 struct iw_param *param = &iwreq->param;
913 struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
914 unsigned long irqflag;
915 int ret = 0;
916
917 pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
918 spin_lock_irqsave(&wl->lock, irqflag);
919 switch (param->flags & IW_AUTH_INDEX) {
920 case IW_AUTH_WPA_VERSION:
921 switch (wl->wpa_level) {
922 case GELIC_WL_WPA_LEVEL_WPA:
923 param->value |= IW_AUTH_WPA_VERSION_WPA;
924 break;
925 case GELIC_WL_WPA_LEVEL_WPA2:
926 param->value |= IW_AUTH_WPA_VERSION_WPA2;
927 break;
928 default:
929 param->value |= IW_AUTH_WPA_VERSION_DISABLED;
930 }
931 break;
932
933 case IW_AUTH_80211_AUTH_ALG:
934 if (wl->auth_method == GELIC_EURUS_AUTH_SHARED)
935 param->value = IW_AUTH_ALG_SHARED_KEY;
936 else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN)
937 param->value = IW_AUTH_ALG_OPEN_SYSTEM;
938 break;
939
940 case IW_AUTH_WPA_ENABLED:
941 switch (wl->wpa_level) {
942 case GELIC_WL_WPA_LEVEL_WPA:
943 case GELIC_WL_WPA_LEVEL_WPA2:
944 param->value = 1;
945 break;
946 default:
947 param->value = 0;
948 break;
949 }
950 break;
951 default:
952 ret = -EOPNOTSUPP;
953 }
954
955 spin_unlock_irqrestore(&wl->lock, irqflag);
956 pr_debug("%s: -> %d\n", __func__, ret);
957 return ret;
958}
959
960/* SIOC{S,G}IWESSID */
961static int gelic_wl_set_essid(struct net_device *netdev,
962 struct iw_request_info *info,
963 union iwreq_data *data, char *extra)
964{
965 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
966 unsigned long irqflag;
967
968 pr_debug("%s: <- l=%d f=%d\n", __func__,
969 data->essid.length, data->essid.flags);
970 if (IW_ESSID_MAX_SIZE < data->essid.length)
971 return -EINVAL;
972
973 spin_lock_irqsave(&wl->lock, irqflag);
974 if (data->essid.flags) {
975 wl->essid_len = data->essid.length;
976 memcpy(wl->essid, extra, wl->essid_len);
977 pr_debug("%s: essid = '%s'\n", __func__, extra);
978 set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
979 } else {
980 pr_debug("%s: ESSID any \n", __func__);
981 clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
982 }
983 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
984 spin_unlock_irqrestore(&wl->lock, irqflag);
985
986
987 gelic_wl_try_associate(netdev); /* FIXME */
988 pr_debug("%s: -> \n", __func__);
989 return 0;
990}
991
992static int gelic_wl_get_essid(struct net_device *netdev,
993 struct iw_request_info *info,
994 union iwreq_data *data, char *extra)
995{
996 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
997 unsigned long irqflag;
998
999 pr_debug("%s: <- \n", __func__);
bb2d67a3 1000 mutex_lock(&wl->assoc_stat_lock);
09dde54c
MM		 1001 spin_lock_irqsave(&wl->lock, irqflag);
1002 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) ||
1003 wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1004 memcpy(extra, wl->essid, wl->essid_len);
1005 data->essid.length = wl->essid_len;
1006 data->essid.flags = 1;
1007 } else
1008 data->essid.flags = 0;
1009
bb2d67a3 1010 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 1011 spin_unlock_irqrestore(&wl->lock, irqflag);
1012 pr_debug("%s: -> len=%d \n", __func__, data->essid.length);
1013
1014 return 0;
1015}
1016
1017/* SIO{S,G}IWENCODE */
1018static int gelic_wl_set_encode(struct net_device *netdev,
1019 struct iw_request_info *info,
1020 union iwreq_data *data, char *extra)
1021{
1022 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1023 struct iw_point *enc = &data->encoding;
1024 __u16 flags;
77bbadd5 1025 unsigned long irqflag;
09dde54c
MM		 1026 int key_index, index_specified;
1027 int ret = 0;
1028
1029 pr_debug("%s: <- \n", __func__);
1030 flags = enc->flags & IW_ENCODE_FLAGS;
1031 key_index = enc->flags & IW_ENCODE_INDEX;
1032
1033 pr_debug("%s: key_index = %d\n", __func__, key_index);
1034 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1035 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1036
1037 if (GELIC_WEP_KEYS < key_index)
1038 return -EINVAL;
1039
1040 spin_lock_irqsave(&wl->lock, irqflag);
1041 if (key_index) {
1042 index_specified = 1;
1043 key_index--;
1044 } else {
1045 index_specified = 0;
1046 key_index = wl->current_key;
1047 }
1048
1049 if (flags & IW_ENCODE_NOKEY) {
1050 /* if just IW_ENCODE_NOKEY, change current key index */
1051 if (!flags && index_specified) {
1052 wl->current_key = key_index;
1053 goto done;
1054 }
1055
1056 if (flags & IW_ENCODE_DISABLED) {
1057 if (!index_specified) {
1058 /* disable encryption */
1059 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1060 wl->pairwise_cipher_method =
1061 GELIC_WL_CIPHER_NONE;
1062 /* invalidate all key */
1063 wl->key_enabled = 0;
1064 } else
1065 clear_bit(key_index, &wl->key_enabled);
1066 }
1067
1068 if (flags & IW_ENCODE_OPEN)
1069 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1070 if (flags & IW_ENCODE_RESTRICTED) {
1071 pr_info("%s: shared key mode enabled\n", __func__);
1072 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1073 }
1074 } else {
1075 if (IW_ENCODING_TOKEN_MAX < enc->length) {
1076 ret = -EINVAL;
1077 goto done;
1078 }
1079 wl->key_len[key_index] = enc->length;
1080 memcpy(wl->key[key_index], extra, enc->length);
1081 set_bit(key_index, &wl->key_enabled);
1082 wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
1083 wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
1084 }
1085 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1086done:
1087 spin_unlock_irqrestore(&wl->lock, irqflag);
1088 pr_debug("%s: -> \n", __func__);
1089 return ret;
1090}
1091
1092static int gelic_wl_get_encode(struct net_device *netdev,
1093 struct iw_request_info *info,
1094 union iwreq_data *data, char *extra)
1095{
1096 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1097 struct iw_point *enc = &data->encoding;
77bbadd5 1098 unsigned long irqflag;
09dde54c
MM		 1099 unsigned int key_index, index_specified;
1100 int ret = 0;
1101
1102 pr_debug("%s: <- \n", __func__);
1103 key_index = enc->flags & IW_ENCODE_INDEX;
1104 pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__,
1105 enc->flags, enc->pointer, enc->length, extra);
1106 if (GELIC_WEP_KEYS < key_index)
1107 return -EINVAL;
1108
1109 spin_lock_irqsave(&wl->lock, irqflag);
1110 if (key_index) {
1111 index_specified = 1;
1112 key_index--;
1113 } else {
1114 index_specified = 0;
1115 key_index = wl->current_key;
1116 }
1117
1118 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1119 switch (wl->auth_method) {
1120 case GELIC_EURUS_AUTH_OPEN:
1121 enc->flags = IW_ENCODE_OPEN;
1122 break;
1123 case GELIC_EURUS_AUTH_SHARED:
1124 enc->flags = IW_ENCODE_RESTRICTED;
1125 break;
1126 }
1127 } else
1128 enc->flags = IW_ENCODE_DISABLED;
1129
1130 if (test_bit(key_index, &wl->key_enabled)) {
1131 if (enc->length < wl->key_len[key_index]) {
1132 ret = -EINVAL;
1133 goto done;
1134 }
1135 enc->length = wl->key_len[key_index];
1136 memcpy(extra, wl->key[key_index], wl->key_len[key_index]);
1137 } else {
1138 enc->length = 0;
1139 enc->flags |= IW_ENCODE_NOKEY;
1140 }
1141 enc->flags |= key_index + 1;
1142 pr_debug("%s: -> flag=%x len=%d\n", __func__,
1143 enc->flags, enc->length);
1144
1145done:
1146 spin_unlock_irqrestore(&wl->lock, irqflag);
1147 return ret;
1148}
1149
1150/* SIOC{S,G}IWAP */
1151static int gelic_wl_set_ap(struct net_device *netdev,
1152 struct iw_request_info *info,
1153 union iwreq_data *data, char *extra)
1154{
1155 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1156 unsigned long irqflag;
1157
1158 pr_debug("%s: <-\n", __func__);
1159 if (data->ap_addr.sa_family != ARPHRD_ETHER)
1160 return -EINVAL;
1161
1162 spin_lock_irqsave(&wl->lock, irqflag);
1163 if (is_valid_ether_addr(data->ap_addr.sa_data)) {
1164 memcpy(wl->bssid, data->ap_addr.sa_data,
1165 ETH_ALEN);
1166 set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1167 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
7c510e4b 1168 pr_debug("%s: bss=%pM\n", __func__, wl->bssid);
09dde54c
MM		 1169 } else {
1170 pr_debug("%s: clear bssid\n", __func__);
1171 clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1172 memset(wl->bssid, 0, ETH_ALEN);
1173 }
1174 spin_unlock_irqrestore(&wl->lock, irqflag);
1175 pr_debug("%s: ->\n", __func__);
1176 return 0;
1177}
1178
1179static int gelic_wl_get_ap(struct net_device *netdev,
1180 struct iw_request_info *info,
1181 union iwreq_data *data, char *extra)
1182{
1183 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1184 unsigned long irqflag;
1185
1186 pr_debug("%s: <-\n", __func__);
bb2d67a3 1187 mutex_lock(&wl->assoc_stat_lock);
09dde54c
MM		 1188 spin_lock_irqsave(&wl->lock, irqflag);
1189 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1190 data->ap_addr.sa_family = ARPHRD_ETHER;
1191 memcpy(data->ap_addr.sa_data, wl->active_bssid,
1192 ETH_ALEN);
1193 } else
1194 memset(data->ap_addr.sa_data, 0, ETH_ALEN);
1195
1196 spin_unlock_irqrestore(&wl->lock, irqflag);
bb2d67a3 1197 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 1198 pr_debug("%s: ->\n", __func__);
1199 return 0;
1200}
1201
1202/* SIOC{S,G}IWENCODEEXT */
1203static int gelic_wl_set_encodeext(struct net_device *netdev,
1204 struct iw_request_info *info,
1205 union iwreq_data *data, char *extra)
1206{
1207 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1208 struct iw_point *enc = &data->encoding;
1209 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1210 __u16 alg;
1211 __u16 flags;
77bbadd5 1212 unsigned long irqflag;
09dde54c
MM		 1213 int key_index;
1214 int ret = 0;
1215
1216 pr_debug("%s: <- \n", __func__);
1217 flags = enc->flags & IW_ENCODE_FLAGS;
1218 alg = ext->alg;
1219 key_index = enc->flags & IW_ENCODE_INDEX;
1220
1221 pr_debug("%s: key_index = %d\n", __func__, key_index);
1222 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1223 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1224 pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags);
1225 pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len);
1226
1227 if (GELIC_WEP_KEYS < key_index)
1228 return -EINVAL;
1229
1230 spin_lock_irqsave(&wl->lock, irqflag);
1231 if (key_index)
1232 key_index--;
1233 else
1234 key_index = wl->current_key;
1235
1236 if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) {
1237 /* reques to change default key index */
1238 pr_debug("%s: request to change default key to %d\n",
1239 __func__, key_index);
1240 wl->current_key = key_index;
1241 goto done;
1242 }
1243
1244 if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) {
1245 pr_debug("%s: alg disabled\n", __func__);
1246 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
1247 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1248 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
1249 wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */
1250 } else if (alg == IW_ENCODE_ALG_WEP) {
1251 pr_debug("%s: WEP requested\n", __func__);
1252 if (flags & IW_ENCODE_OPEN) {
1253 pr_debug("%s: open key mode\n", __func__);
1254 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1255 }
1256 if (flags & IW_ENCODE_RESTRICTED) {
1257 pr_debug("%s: shared key mode\n", __func__);
1258 wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1259 }
1260 if (IW_ENCODING_TOKEN_MAX < ext->key_len) {
1261 pr_info("%s: key is too long %d\n", __func__,
1262 ext->key_len);
1263 ret = -EINVAL;
1264 goto done;
1265 }
1266 /* OK, update the key */
1267 wl->key_len[key_index] = ext->key_len;
1268 memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX);
1269 memcpy(wl->key[key_index], ext->key, ext->key_len);
1270 set_bit(key_index, &wl->key_enabled);
1271 /* remember wep info changed */
1272 set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
04b2046c
MM		 1273 } else if (alg == IW_ENCODE_ALG_PMK) {
1274 if (ext->key_len != WPA_PSK_LEN) {
1275 pr_err("%s: PSK length wrong %d\n", __func__,
1276 ext->key_len);
09dde54c
MM		 1277 ret = -EINVAL;
1278 goto done;
1279 }
04b2046c
MM		 1280 memset(wl->psk, 0, sizeof(wl->psk));
1281 memcpy(wl->psk, ext->key, ext->key_len);
1282 wl->psk_len = ext->key_len;
1283 wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
1284 /* remember PSK configured */
1285 set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
09dde54c
MM		 1286 }
1287done:
1288 spin_unlock_irqrestore(&wl->lock, irqflag);
1289 pr_debug("%s: -> \n", __func__);
1290 return ret;
1291}
1292
1293static int gelic_wl_get_encodeext(struct net_device *netdev,
1294 struct iw_request_info *info,
1295 union iwreq_data *data, char *extra)
1296{
1297 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1298 struct iw_point *enc = &data->encoding;
1299 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
77bbadd5 1300 unsigned long irqflag;
09dde54c
MM		 1301 int key_index;
1302 int ret = 0;
1303 int max_key_len;
1304
1305 pr_debug("%s: <- \n", __func__);
1306
1307 max_key_len = enc->length - sizeof(struct iw_encode_ext);
1308 if (max_key_len < 0)
1309 return -EINVAL;
1310 key_index = enc->flags & IW_ENCODE_INDEX;
1311
1312 pr_debug("%s: key_index = %d\n", __func__, key_index);
1313 pr_debug("%s: key_len = %d\n", __func__, enc->length);
1314 pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1315
1316 if (GELIC_WEP_KEYS < key_index)
1317 return -EINVAL;
1318
1319 spin_lock_irqsave(&wl->lock, irqflag);
1320 if (key_index)
1321 key_index--;
1322 else
1323 key_index = wl->current_key;
1324
1325 memset(ext, 0, sizeof(struct iw_encode_ext));
1326 switch (wl->group_cipher_method) {
1327 case GELIC_WL_CIPHER_WEP:
1328 ext->alg = IW_ENCODE_ALG_WEP;
1329 enc->flags |= IW_ENCODE_ENABLED;
1330 break;
1331 case GELIC_WL_CIPHER_TKIP:
1332 ext->alg = IW_ENCODE_ALG_TKIP;
1333 enc->flags |= IW_ENCODE_ENABLED;
1334 break;
1335 case GELIC_WL_CIPHER_AES:
1336 ext->alg = IW_ENCODE_ALG_CCMP;
1337 enc->flags |= IW_ENCODE_ENABLED;
1338 break;
1339 case GELIC_WL_CIPHER_NONE:
1340 default:
1341 ext->alg = IW_ENCODE_ALG_NONE;
1342 enc->flags |= IW_ENCODE_NOKEY;
1343 break;
1344 }
1345
1346 if (!(enc->flags & IW_ENCODE_NOKEY)) {
1347 if (max_key_len < wl->key_len[key_index]) {
1348 ret = -E2BIG;
1349 goto out;
1350 }
1351 if (test_bit(key_index, &wl->key_enabled))
1352 memcpy(ext->key, wl->key[key_index],
1353 wl->key_len[key_index]);
1354 else
1355 pr_debug("%s: disabled key requested ix=%d\n",
1356 __func__, key_index);
1357 }
1358out:
1359 spin_unlock_irqrestore(&wl->lock, irqflag);
1360 pr_debug("%s: -> \n", __func__);
1361 return ret;
1362}
1363/* SIOC{S,G}IWMODE */
1364static int gelic_wl_set_mode(struct net_device *netdev,
1365 struct iw_request_info *info,
1366 union iwreq_data *data, char *extra)
1367{
1368 __u32 mode = data->mode;
1369 int ret;
1370
1371 pr_debug("%s: <- \n", __func__);
1372 if (mode == IW_MODE_INFRA)
1373 ret = 0;
1374 else
1375 ret = -EOPNOTSUPP;
1376 pr_debug("%s: -> %d\n", __func__, ret);
1377 return ret;
1378}
1379
1380static int gelic_wl_get_mode(struct net_device *netdev,
1381 struct iw_request_info *info,
1382 union iwreq_data *data, char *extra)
1383{
1384 __u32 *mode = &data->mode;
1385 pr_debug("%s: <- \n", __func__);
1386 *mode = IW_MODE_INFRA;
1387 pr_debug("%s: ->\n", __func__);
1388 return 0;
1389}
1390
f409e348 1391#ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE
09dde54c
MM		 1392/* SIOCIWFIRSTPRIV */
1393static int hex2bin(u8 *str, u8 *bin, unsigned int len)
1394{
1395 unsigned int i;
1396 static unsigned char *hex = "0123456789ABCDEF";
1397 unsigned char *p, *q;
1398 u8 tmp;
1399
1400 if (len != WPA_PSK_LEN * 2)
1401 return -EINVAL;
1402
1403 for (i = 0; i < WPA_PSK_LEN * 2; i += 2) {
1404 p = strchr(hex, toupper(str[i]));
1405 q = strchr(hex, toupper(str[i + 1]));
1406 if (!p || !q) {
1407 pr_info("%s: unconvertible PSK digit=%d\n",
1408 __func__, i);
1409 return -EINVAL;
1410 }
1411 tmp = ((p - hex) << 4) + (q - hex);
1412 *bin++ = tmp;
1413 }
1414 return 0;
1415};
1416
1417static int gelic_wl_priv_set_psk(struct net_device *net_dev,
1418 struct iw_request_info *info,
1419 union iwreq_data *data, char *extra)
1420{
1421 struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev));
1422 unsigned int len;
77bbadd5 1423 unsigned long irqflag;
09dde54c
MM		 1424 int ret = 0;
1425
1426 pr_debug("%s:<- len=%d\n", __func__, data->data.length);
1427 len = data->data.length - 1;
1428 if (len <= 2)
1429 return -EINVAL;
1430
1431 spin_lock_irqsave(&wl->lock, irqflag);
1432 if (extra[0] == '"' && extra[len - 1] == '"') {
1433 pr_debug("%s: passphrase mode\n", __func__);
1434 /* pass phrase */
1435 if (GELIC_WL_EURUS_PSK_MAX_LEN < (len - 2)) {
1436 pr_info("%s: passphrase too long\n", __func__);
1437 ret = -E2BIG;
1438 goto out;
1439 }
1440 memset(wl->psk, 0, sizeof(wl->psk));
1441 wl->psk_len = len - 2;
1442 memcpy(wl->psk, &(extra[1]), wl->psk_len);
1443 wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
1444 } else {
1445 ret = hex2bin(extra, wl->psk, len);
1446 if (ret)
1447 goto out;
1448 wl->psk_len = WPA_PSK_LEN;
1449 wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
1450 }
1451 set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
1452out:
1453 spin_unlock_irqrestore(&wl->lock, irqflag);
1454 pr_debug("%s:->\n", __func__);
1455 return ret;
1456}
1457
1458static int gelic_wl_priv_get_psk(struct net_device *net_dev,
1459 struct iw_request_info *info,
1460 union iwreq_data *data, char *extra)
1461{
1462 struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev));
1463 char *p;
77bbadd5 1464 unsigned long irqflag;
09dde54c
MM		 1465 unsigned int i;
1466
1467 pr_debug("%s:<-\n", __func__);
1468 if (!capable(CAP_NET_ADMIN))
1469 return -EPERM;
1470
1471 spin_lock_irqsave(&wl->lock, irqflag);
1472 p = extra;
1473 if (test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) {
1474 if (wl->psk_type == GELIC_EURUS_WPA_PSK_BIN) {
1475 for (i = 0; i < wl->psk_len; i++) {
1476 sprintf(p, "%02xu", wl->psk[i]);
1477 p += 2;
1478 }
1479 *p = '\0';
1480 data->data.length = wl->psk_len * 2;
1481 } else {
1482 *p++ = '"';
1483 memcpy(p, wl->psk, wl->psk_len);
1484 p += wl->psk_len;
1485 *p++ = '"';
1486 *p = '\0';
1487 data->data.length = wl->psk_len + 2;
1488 }
1489 } else
1490 /* no psk set */
1491 data->data.length = 0;
1492 spin_unlock_irqrestore(&wl->lock, irqflag);
1493 pr_debug("%s:-> %d\n", __func__, data->data.length);
1494 return 0;
1495}
f409e348 1496#endif
09dde54c
MM		 1497
1498/* SIOCGIWNICKN */
1499static int gelic_wl_get_nick(struct net_device *net_dev,
1500 struct iw_request_info *info,
1501 union iwreq_data *data, char *extra)
1502{
1503 strcpy(extra, "gelic_wl");
1504 data->data.length = strlen(extra);
1505 data->data.flags = 1;
1506 return 0;
1507}
1508
1509
1510/* --- */
1511
1512static struct iw_statistics *gelic_wl_get_wireless_stats(
1513 struct net_device *netdev)
1514{
1515
1516 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1517 struct gelic_eurus_cmd *cmd;
1518 struct iw_statistics *is;
1519 struct gelic_eurus_rssi_info *rssi;
13de15e7 1520 void *buf;
09dde54c
MM		 1521
1522 pr_debug("%s: <-\n", __func__);
1523
13de15e7
MM		 1524 buf = (void *)__get_free_page(GFP_KERNEL);
1525 if (!buf)
1526 return NULL;
1527
09dde54c
MM		 1528 is = &wl->iwstat;
1529 memset(is, 0, sizeof(*is));
1530 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG,
13de15e7 1531 buf, sizeof(*rssi));
09dde54c 1532 if (cmd && !cmd->status && !cmd->cmd_status) {
13de15e7 1533 rssi = buf;
09dde54c
MM		 1534 is->qual.level = be16_to_cpu(rssi->rssi);
1535 is->qual.updated = IW_QUAL_LEVEL_UPDATED |
1536 IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
1537 } else
1538 /* not associated */
1539 is->qual.updated = IW_QUAL_ALL_INVALID;
1540
1541 kfree(cmd);
13de15e7 1542 free_page((unsigned long)buf);
09dde54c
MM		 1543 pr_debug("%s: ->\n", __func__);
1544 return is;
1545}
1546
1547/*
1548 * scanning helpers
1549 */
7fd871ed
MM		 1550static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
1551 u8 *essid, size_t essid_len)
09dde54c
MM		 1552{
1553 struct gelic_eurus_cmd *cmd;
1554 int ret = 0;
7fd871ed
MM		 1555 void *buf = NULL;
1556 size_t len;
09dde54c
MM		 1557
1558 pr_debug("%s: <- always=%d\n", __func__, always_scan);
706ddd60 1559 if (mutex_lock_interruptible(&wl->scan_lock))
09dde54c
MM		 1560 return -ERESTARTSYS;
1561
1562 /*
1563 * If already a scan in progress, do not trigger more
1564 */
1565 if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) {
1566 pr_debug("%s: scanning now\n", __func__);
1567 goto out;
1568 }
1569
1570 init_completion(&wl->scan_done);
1571 /*
1572 * If we have already a bss list, don't try to get new
1573 */
1574 if (!always_scan && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) {
1575 pr_debug("%s: already has the list\n", __func__);
1576 complete(&wl->scan_done);
1577 goto out;
1578 }
7fd871ed
MM		 1579
1580 /* ESSID scan ? */
1581 if (essid_len && essid) {
1582 buf = (void *)__get_free_page(GFP_KERNEL);
1583 if (!buf) {
1584 ret = -ENOMEM;
1585 goto out;
1586 }
1587 len = IW_ESSID_MAX_SIZE; /* hypervisor always requires 32 */
1588 memset(buf, 0, len);
1589 memcpy(buf, essid, essid_len);
1590 pr_debug("%s: essid scan='%s'\n", __func__, (char *)buf);
1591 } else
1592 len = 0;
1593
09dde54c
MM		 1594 /*
1595 * issue start scan request
1596 */
1597 wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING;
1598 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN,
7fd871ed 1599 buf, len);
09dde54c
MM		 1600 if (!cmd || cmd->status || cmd->cmd_status) {
1601 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1602 complete(&wl->scan_done);
1603 ret = -ENOMEM;
1604 goto out;
1605 }
1606 kfree(cmd);
1607out:
7fd871ed 1608 free_page((unsigned long)buf);
706ddd60 1609 mutex_unlock(&wl->scan_lock);
09dde54c
MM		 1610 pr_debug("%s: ->\n", __func__);
1611 return ret;
1612}
1613
1614/*
1615 * retrieve scan result from the chip (hypervisor)
1616 * this function is invoked by schedule work.
1617 */
1618static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
1619{
1620 struct gelic_eurus_cmd *cmd = NULL;
1621 struct gelic_wl_scan_info *target, *tmp;
1622 struct gelic_wl_scan_info *oldest = NULL;
1623 struct gelic_eurus_scan_info *scan_info;
1624 unsigned int scan_info_size;
1625 union iwreq_data data;
1626 unsigned long this_time = jiffies;
1627 unsigned int data_len, i, found, r;
13de15e7 1628 void *buf;
09dde54c
MM		 1629
1630 pr_debug("%s:start\n", __func__);
706ddd60 1631 mutex_lock(&wl->scan_lock);
09dde54c 1632
13de15e7
MM		 1633 buf = (void *)__get_free_page(GFP_KERNEL);
1634 if (!buf) {
1635 pr_info("%s: scan buffer alloc failed\n", __func__);
1636 goto out;
1637 }
1638
09dde54c
MM		 1639 if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
1640 /*
1641 * stop() may be called while scanning, ignore result
1642 */
1643 pr_debug("%s: scan complete when stat != scanning(%d)\n",
1644 __func__, wl->scan_stat);
1645 goto out;
1646 }
1647
1648 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN,
13de15e7 1649 buf, PAGE_SIZE);
09dde54c
MM		 1650 if (!cmd || cmd->status || cmd->cmd_status) {
1651 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1652 pr_info("%s:cmd failed\n", __func__);
1653 kfree(cmd);
1654 goto out;
1655 }
1656 data_len = cmd->size;
1657 pr_debug("%s: data_len = %d\n", __func__, data_len);
1658 kfree(cmd);
1659
1660 /* OK, bss list retrieved */
1661 wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST;
1662
1663 /* mark all entries are old */
1664 list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
1665 target->valid = 0;
1666 /* expire too old entries */
1667 if (time_before(target->last_scanned + wl->scan_age,
1668 this_time)) {
1669 kfree(target->hwinfo);
1670 target->hwinfo = NULL;
1671 list_move_tail(&target->list, &wl->network_free_list);
1672 }
1673 }
1674
1675 /* put them in the newtork_list */
13de15e7 1676 for (i = 0, scan_info_size = 0, scan_info = buf;
aad4c7d3
MM		 1677 scan_info_size < data_len;
1678 i++, scan_info_size += be16_to_cpu(scan_info->size),
1679 scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) {
e174961c 1680 pr_debug("%s:size=%d bssid=%pM scan_info=%p\n", __func__,
09dde54c 1681 be16_to_cpu(scan_info->size),
e174961c 1682 &scan_info->bssid[2], scan_info);
aad4c7d3
MM		 1683
1684 /*
1685 * The wireless firmware may return invalid channel 0 and/or
1686 * invalid rate if the AP emits zero length SSID ie. As this
1687 * scan information is useless, ignore it
1688 */
1689 if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) {
1690 pr_debug("%s: invalid scan info\n", __func__);
1691 continue;
1692 }
1693
09dde54c
MM		 1694 found = 0;
1695 oldest = NULL;
1696 list_for_each_entry(target, &wl->network_list, list) {
1697 if (!compare_ether_addr(&target->hwinfo->bssid[2],
1698 &scan_info->bssid[2])) {
1699 found = 1;
1700 pr_debug("%s: same BBS found scanned list\n",
1701 __func__);
1702 break;
1703 }
1704 if (!oldest ||
1705 (target->last_scanned < oldest->last_scanned))
1706 oldest = target;
1707 }
1708
1709 if (!found) {
1710 /* not found in the list */
1711 if (list_empty(&wl->network_free_list)) {
1712 /* expire oldest */
1713 target = oldest;
1714 } else {
1715 target = list_entry(wl->network_free_list.next,
1716 struct gelic_wl_scan_info,
1717 list);
1718 }
1719 }
1720
1721 /* update the item */
1722 target->last_scanned = this_time;
1723 target->valid = 1;
1724 target->eurus_index = i;
1725 kfree(target->hwinfo);
1726 target->hwinfo = kzalloc(be16_to_cpu(scan_info->size),
1727 GFP_KERNEL);
1728 if (!target->hwinfo) {
1729 pr_info("%s: kzalloc failed\n", __func__);
09dde54c
MM		 1730 continue;
1731 }
1732 /* copy hw scan info */
1733 memcpy(target->hwinfo, scan_info, scan_info->size);
1734 target->essid_len = strnlen(scan_info->essid,
1735 sizeof(scan_info->essid));
1736 target->rate_len = 0;
1737 for (r = 0; r < MAX_RATES_LENGTH; r++)
1738 if (scan_info->rate[r])
1739 target->rate_len++;
1740 if (8 < target->rate_len)
1741 pr_info("%s: AP returns %d rates\n", __func__,
1742 target->rate_len);
1743 target->rate_ext_len = 0;
1744 for (r = 0; r < MAX_RATES_EX_LENGTH; r++)
1745 if (scan_info->ext_rate[r])
1746 target->rate_ext_len++;
1747 list_move_tail(&target->list, &wl->network_list);
09dde54c
MM		 1748 }
1749 memset(&data, 0, sizeof(data));
1750 wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,
1751 NULL);
1752out:
13de15e7 1753 free_page((unsigned long)buf);
09dde54c 1754 complete(&wl->scan_done);
706ddd60 1755 mutex_unlock(&wl->scan_lock);
09dde54c
MM		 1756 pr_debug("%s:end\n", __func__);
1757}
1758
1759/*
1760 * Select an appropriate bss from current scan list regarding
1761 * current settings from userspace.
1762 * The caller must hold wl->scan_lock,
1763 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1764 */
1765static void update_best(struct gelic_wl_scan_info **best,
1766 struct gelic_wl_scan_info *candid,
1767 int *best_weight,
1768 int *weight)
1769{
1770 if (*best_weight < ++(*weight)) {
1771 *best_weight = *weight;
1772 *best = candid;
1773 }
1774}
1775
1776static
1777struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl)
1778{
1779 struct gelic_wl_scan_info *scan_info;
1780 struct gelic_wl_scan_info *best_bss;
1781 int weight, best_weight;
1782 u16 security;
09dde54c
MM		 1783
1784 pr_debug("%s: <-\n", __func__);
1785
1786 best_bss = NULL;
1787 best_weight = 0;
1788
1789 list_for_each_entry(scan_info, &wl->network_list, list) {
1790 pr_debug("%s: station %p\n", __func__, scan_info);
1791
1792 if (!scan_info->valid) {
1793 pr_debug("%s: station invalid\n", __func__);
1794 continue;
1795 }
1796
1797 /* If bss specified, check it only */
1798 if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) {
1799 if (!compare_ether_addr(&scan_info->hwinfo->bssid[2],
1800 wl->bssid)) {
1801 best_bss = scan_info;
1802 pr_debug("%s: bssid matched\n", __func__);
1803 break;
1804 } else {
1805 pr_debug("%s: bssid unmached\n", __func__);
1806 continue;
1807 }
1808 }
1809
1810 weight = 0;
1811
1812 /* security */
1813 security = be16_to_cpu(scan_info->hwinfo->security) &
1814 GELIC_EURUS_SCAN_SEC_MASK;
1815 if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1816 if (security == GELIC_EURUS_SCAN_SEC_WPA2)
1817 update_best(&best_bss, scan_info,
1818 &best_weight, &weight);
1819 else
1820 continue;
1821 } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) {
1822 if (security == GELIC_EURUS_SCAN_SEC_WPA)
1823 update_best(&best_bss, scan_info,
1824 &best_weight, &weight);
1825 else
1826 continue;
1827 } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE &&
1828 wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1829 if (security == GELIC_EURUS_SCAN_SEC_WEP)
1830 update_best(&best_bss, scan_info,
1831 &best_weight, &weight);
1832 else
1833 continue;
1834 }
1835
1836 /* If ESSID is set, check it */
1837 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
1838 if ((scan_info->essid_len == wl->essid_len) &&
1839 !strncmp(wl->essid,
1840 scan_info->hwinfo->essid,
1841 scan_info->essid_len))
1842 update_best(&best_bss, scan_info,
1843 &best_weight, &weight);
1844 else
1845 continue;
1846 }
1847 }
1848
1849#ifdef DEBUG
1850 pr_debug("%s: -> bss=%p\n", __func__, best_bss);
1851 if (best_bss) {
e174961c
JB		 1852 pr_debug("%s:addr=%pM\n", __func__,
1853 &best_bss->hwinfo->bssid[2]);
09dde54c
MM		 1854 }
1855#endif
1856 return best_bss;
1857}
1858
1859/*
1860 * Setup WEP configuration to the chip
1861 * The caller must hold wl->scan_lock,
1862 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1863 */
1864static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
1865{
1866 unsigned int i;
1867 struct gelic_eurus_wep_cfg *wep;
1868 struct gelic_eurus_cmd *cmd;
1869 int wep104 = 0;
1870 int have_key = 0;
1871 int ret = 0;
1872
1873 pr_debug("%s: <-\n", __func__);
1874 /* we can assume no one should uses the buffer */
13de15e7
MM		 1875 wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL);
1876 if (!wep)
1877 return -ENOMEM;
1878
09dde54c
MM		 1879 memset(wep, 0, sizeof(*wep));
1880
1881 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1882 pr_debug("%s: WEP mode\n", __func__);
1883 for (i = 0; i < GELIC_WEP_KEYS; i++) {
1884 if (!test_bit(i, &wl->key_enabled))
1885 continue;
1886
1887 pr_debug("%s: key#%d enabled\n", __func__, i);
1888 have_key = 1;
1889 if (wl->key_len[i] == 13)
1890 wep104 = 1;
1891 else if (wl->key_len[i] != 5) {
1892 pr_info("%s: wrong wep key[%d]=%d\n",
1893 __func__, i, wl->key_len[i]);
1894 ret = -EINVAL;
1895 goto out;
1896 }
1897 memcpy(wep->key[i], wl->key[i], wl->key_len[i]);
1898 }
1899
1900 if (!have_key) {
1901 pr_info("%s: all wep key disabled\n", __func__);
1902 ret = -EINVAL;
1903 goto out;
1904 }
1905
1906 if (wep104) {
1907 pr_debug("%s: 104bit key\n", __func__);
1908 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT);
1909 } else {
1910 pr_debug("%s: 40bit key\n", __func__);
1911 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT);
1912 }
1913 } else {
1914 pr_debug("%s: NO encryption\n", __func__);
1915 wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE);
1916 }
1917
1918 /* issue wep setup */
1919 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG,
1920 wep, sizeof(*wep));
1921 if (!cmd)
1922 ret = -ENOMEM;
1923 else if (cmd->status || cmd->cmd_status)
1924 ret = -ENXIO;
1925
1926 kfree(cmd);
1927out:
13de15e7 1928 free_page((unsigned long)wep);
09dde54c
MM		 1929 pr_debug("%s: ->\n", __func__);
1930 return ret;
1931}
1932
1933#ifdef DEBUG
1934static const char *wpasecstr(enum gelic_eurus_wpa_security sec)
1935{
1936 switch (sec) {
1937 case GELIC_EURUS_WPA_SEC_NONE:
1938 return "NONE";
1939 break;
1940 case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP:
1941 return "WPA_TKIP_TKIP";
1942 break;
1943 case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES:
1944 return "WPA_TKIP_AES";
1945 break;
1946 case GELIC_EURUS_WPA_SEC_WPA_AES_AES:
1947 return "WPA_AES_AES";
1948 break;
1949 case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP:
1950 return "WPA2_TKIP_TKIP";
1951 break;
1952 case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES:
1953 return "WPA2_TKIP_AES";
1954 break;
1955 case GELIC_EURUS_WPA_SEC_WPA2_AES_AES:
1956 return "WPA2_AES_AES";
1957 break;
1958 }
1959 return "";
1960};
1961#endif
1962
1963static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
1964{
1965 struct gelic_eurus_wpa_cfg *wpa;
1966 struct gelic_eurus_cmd *cmd;
1967 u16 security;
1968 int ret = 0;
1969
1970 pr_debug("%s: <-\n", __func__);
1971 /* we can assume no one should uses the buffer */
13de15e7
MM		 1972 wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL);
1973 if (!wpa)
1974 return -ENOMEM;
1975
09dde54c
MM		 1976 memset(wpa, 0, sizeof(*wpa));
1977
1978 if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat))
1979 pr_info("%s: PSK not configured yet\n", __func__);
1980
1981 /* copy key */
1982 memcpy(wpa->psk, wl->psk, wl->psk_len);
1983
1984 /* set security level */
1985 if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1986 if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1987 security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES;
1988 } else {
1989 if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
1990 precise_ie())
1991 security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES;
1992 else
1993 security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP;
1994 }
1995 } else {
1996 if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1997 security = GELIC_EURUS_WPA_SEC_WPA_AES_AES;
1998 } else {
1999 if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
2000 precise_ie())
2001 security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES;
2002 else
2003 security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP;
2004 }
2005 }
2006 wpa->security = cpu_to_be16(security);
2007
2008 /* PSK type */
2009 wpa->psk_type = cpu_to_be16(wl->psk_type);
2010#ifdef DEBUG
2011 pr_debug("%s: sec=%s psktype=%s\nn", __func__,
2012 wpasecstr(wpa->security),
2013 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
2014 "BIN" : "passphrase");
2015#if 0
2016 /*
2017 * don't enable here if you plan to submit
2018 * the debug log because this dumps your precious
2019 * passphrase/key.
2020 */
2021 pr_debug("%s: psk=%s\n",
2022 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
2023 (char *)"N/A" : (char *)wpa->psk);
2024#endif
2025#endif
2026 /* issue wpa setup */
2027 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG,
2028 wpa, sizeof(*wpa));
2029 if (!cmd)
2030 ret = -ENOMEM;
2031 else if (cmd->status || cmd->cmd_status)
2032 ret = -ENXIO;
2033 kfree(cmd);
13de15e7 2034 free_page((unsigned long)wpa);
09dde54c
MM		 2035 pr_debug("%s: --> %d\n", __func__, ret);
2036 return ret;
2037}
2038
2039/*
2040 * Start association. caller must hold assoc_stat_lock
2041 */
2042static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
2043 struct gelic_wl_scan_info *bss)
2044{
2045 struct gelic_eurus_cmd *cmd;
2046 struct gelic_eurus_common_cfg *common;
2047 int ret = 0;
2048 unsigned long rc;
2049
2050 pr_debug("%s: <-\n", __func__);
2051
2052 /* do common config */
13de15e7
MM		 2053 common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL);
2054 if (!common)
2055 return -ENOMEM;
2056
09dde54c
MM		 2057 memset(common, 0, sizeof(*common));
2058 common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA);
2059 common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG);
2060
2061 common->scan_index = cpu_to_be16(bss->eurus_index);
2062 switch (wl->auth_method) {
2063 case GELIC_EURUS_AUTH_OPEN:
2064 common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN);
2065 break;
2066 case GELIC_EURUS_AUTH_SHARED:
2067 common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED);
2068 break;
2069 }
2070
2071#ifdef DEBUG
2072 scan_list_dump(wl);
2073#endif
2074 pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__,
2075 be16_to_cpu(common->scan_index),
2076 be16_to_cpu(common->bss_type),
2077 be16_to_cpu(common->auth_method));
2078
2079 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG,
2080 common, sizeof(*common));
2081 if (!cmd || cmd->status || cmd->cmd_status) {
2082 ret = -ENOMEM;
2083 kfree(cmd);
2084 goto out;
2085 }
2086 kfree(cmd);
2087
2088 /* WEP/WPA */
2089 switch (wl->wpa_level) {
2090 case GELIC_WL_WPA_LEVEL_NONE:
2091 /* If WEP or no security, setup WEP config */
2092 ret = gelic_wl_do_wep_setup(wl);
2093 break;
2094 case GELIC_WL_WPA_LEVEL_WPA:
2095 case GELIC_WL_WPA_LEVEL_WPA2:
2096 ret = gelic_wl_do_wpa_setup(wl);
2097 break;
2098 };
2099
2100 if (ret) {
2101 pr_debug("%s: WEP/WPA setup failed %d\n", __func__,
2102 ret);
2103 }
2104
2105 /* start association */
2106 init_completion(&wl->assoc_done);
2107 wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING;
2108 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC,
2109 NULL, 0);
2110 if (!cmd || cmd->status || cmd->cmd_status) {
2111 pr_debug("%s: assoc request failed\n", __func__);
2112 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2113 kfree(cmd);
2114 ret = -ENOMEM;
2115 gelic_wl_send_iwap_event(wl, NULL);
2116 goto out;
2117 }
2118 kfree(cmd);
2119
2120 /* wait for connected event */
2121 rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/
2122
2123 if (!rc) {
2124 /* timeouted. Maybe key or cyrpt mode is wrong */
2125 pr_info("%s: connect timeout \n", __func__);
2126 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC,
2127 NULL, 0);
2128 kfree(cmd);
2129 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2130 gelic_wl_send_iwap_event(wl, NULL);
2131 ret = -ENXIO;
2132 } else {
2133 wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED;
2134 /* copy bssid */
2135 memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN);
2136
2137 /* send connect event */
2138 gelic_wl_send_iwap_event(wl, wl->active_bssid);
2139 pr_info("%s: connected\n", __func__);
2140 }
2141out:
13de15e7 2142 free_page((unsigned long)common);
09dde54c
MM		 2143 pr_debug("%s: ->\n", __func__);
2144 return ret;
2145}
2146
2147/*
2148 * connected event
2149 */
2150static void gelic_wl_connected_event(struct gelic_wl_info *wl,
2151 u64 event)
2152{
2153 u64 desired_event = 0;
2154
2155 switch (wl->wpa_level) {
2156 case GELIC_WL_WPA_LEVEL_NONE:
2157 desired_event = GELIC_LV1_WL_EVENT_CONNECTED;
2158 break;
2159 case GELIC_WL_WPA_LEVEL_WPA:
2160 case GELIC_WL_WPA_LEVEL_WPA2:
2161 desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED;
2162 break;
2163 }
2164
2165 if (desired_event == event) {
2166 pr_debug("%s: completed \n", __func__);
2167 complete(&wl->assoc_done);
2168 netif_carrier_on(port_to_netdev(wl_port(wl)));
2169 } else
2170 pr_debug("%s: event %#lx under wpa\n",
2171 __func__, event);
2172}
2173
2174/*
2175 * disconnect event
2176 */
2177static void gelic_wl_disconnect_event(struct gelic_wl_info *wl,
2178 u64 event)
2179{
2180 struct gelic_eurus_cmd *cmd;
2181 int lock;
2182
2183 /*
2184 * If we fall here in the middle of association,
2185 * associate_bss() should be waiting for complation of
2186 * wl->assoc_done.
2187 * As it waits with timeout, just leave assoc_done
2188 * uncompleted, then it terminates with timeout
2189 */
bb2d67a3 2190 if (!mutex_trylock(&wl->assoc_stat_lock)) {
09dde54c
MM		 2191 pr_debug("%s: already locked\n", __func__);
2192 lock = 0;
2193 } else {
2194 pr_debug("%s: obtain lock\n", __func__);
2195 lock = 1;
2196 }
2197
2198 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2199 kfree(cmd);
2200
2201 /* send disconnected event to the supplicant */
2202 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2203 gelic_wl_send_iwap_event(wl, NULL);
2204
2205 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2206 netif_carrier_off(port_to_netdev(wl_port(wl)));
2207
2208 if (lock)
bb2d67a3 2209 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 2210}
2211/*
2212 * event worker
2213 */
2214#ifdef DEBUG
2215static const char *eventstr(enum gelic_lv1_wl_event event)
2216{
2217 static char buf[32];
2218 char *ret;
2219 if (event & GELIC_LV1_WL_EVENT_DEVICE_READY)
2220 ret = "EURUS_READY";
2221 else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED)
2222 ret = "SCAN_COMPLETED";
2223 else if (event & GELIC_LV1_WL_EVENT_DEAUTH)
2224 ret = "DEAUTH";
2225 else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST)
2226 ret = "BEACON_LOST";
2227 else if (event & GELIC_LV1_WL_EVENT_CONNECTED)
2228 ret = "CONNECTED";
2229 else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED)
2230 ret = "WPA_CONNECTED";
2231 else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR)
2232 ret = "WPA_ERROR";
2233 else {
2234 sprintf(buf, "Unknown(%#x)", event);
2235 ret = buf;
2236 }
2237 return ret;
2238}
2239#else
2240static const char *eventstr(enum gelic_lv1_wl_event event)
2241{
2242 return NULL;
2243}
2244#endif
2245static void gelic_wl_event_worker(struct work_struct *work)
2246{
2247 struct gelic_wl_info *wl;
2248 struct gelic_port *port;
2249 u64 event, tmp;
2250 int status;
2251
2252 pr_debug("%s:start\n", __func__);
2253 wl = container_of(work, struct gelic_wl_info, event_work.work);
2254 port = wl_port(wl);
2255 while (1) {
2256 status = lv1_net_control(bus_id(port->card), dev_id(port->card),
2257 GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0,
2258 &event, &tmp);
2259 if (status) {
2260 if (status != LV1_NO_ENTRY)
2261 pr_debug("%s:wlan event failed %d\n",
2262 __func__, status);
2263 /* got all events */
2264 pr_debug("%s:end\n", __func__);
2265 return;
2266 }
2267 pr_debug("%s: event=%s\n", __func__, eventstr(event));
2268 switch (event) {
2269 case GELIC_LV1_WL_EVENT_SCAN_COMPLETED:
2270 gelic_wl_scan_complete_event(wl);
2271 break;
2272 case GELIC_LV1_WL_EVENT_BEACON_LOST:
2273 case GELIC_LV1_WL_EVENT_DEAUTH:
2274 gelic_wl_disconnect_event(wl, event);
2275 break;
2276 case GELIC_LV1_WL_EVENT_CONNECTED:
2277 case GELIC_LV1_WL_EVENT_WPA_CONNECTED:
2278 gelic_wl_connected_event(wl, event);
2279 break;
2280 default:
2281 break;
2282 }
2283 } /* while */
2284}
2285/*
2286 * association worker
2287 */
2288static void gelic_wl_assoc_worker(struct work_struct *work)
2289{
2290 struct gelic_wl_info *wl;
2291
2292 struct gelic_wl_scan_info *best_bss;
2293 int ret;
7fd871ed
MM		 2294 unsigned long irqflag;
2295 u8 *essid;
2296 size_t essid_len;
09dde54c
MM		 2297
2298 wl = container_of(work, struct gelic_wl_info, assoc_work.work);
2299
bb2d67a3 2300 mutex_lock(&wl->assoc_stat_lock);
09dde54c
MM		 2301
2302 if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN)
2303 goto out;
2304
7fd871ed
MM		 2305 spin_lock_irqsave(&wl->lock, irqflag);
2306 if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
2307 pr_debug("%s: assoc ESSID configured %s\n", __func__,
2308 wl->essid);
2309 essid = wl->essid;
2310 essid_len = wl->essid_len;
2311 } else {
2312 essid = NULL;
2313 essid_len = 0;
2314 }
2315 spin_unlock_irqrestore(&wl->lock, irqflag);
2316
2317 ret = gelic_wl_start_scan(wl, 0, essid, essid_len);
09dde54c
MM		 2318 if (ret == -ERESTARTSYS) {
2319 pr_debug("%s: scan start failed association\n", __func__);
2320 schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/
2321 goto out;
2322 } else if (ret) {
2323 pr_info("%s: scan prerequisite failed\n", __func__);
2324 goto out;
2325 }
2326
2327 /*
2328 * Wait for bss scan completion
2329 * If we have scan list already, gelic_wl_start_scan()
2330 * returns OK and raises the complete. Thus,
2331 * it's ok to wait unconditionally here
2332 */
2333 wait_for_completion(&wl->scan_done);
2334
2335 pr_debug("%s: scan done\n", __func__);
706ddd60 2336 mutex_lock(&wl->scan_lock);
09dde54c
MM		 2337 if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
2338 gelic_wl_send_iwap_event(wl, NULL);
2339 pr_info("%s: no scan list. association failed\n", __func__);
2340 goto scan_lock_out;
2341 }
2342
2343 /* find best matching bss */
2344 best_bss = gelic_wl_find_best_bss(wl);
2345 if (!best_bss) {
2346 gelic_wl_send_iwap_event(wl, NULL);
2347 pr_info("%s: no bss matched. association failed\n", __func__);
2348 goto scan_lock_out;
2349 }
2350
2351 /* ok, do association */
2352 ret = gelic_wl_associate_bss(wl, best_bss);
2353 if (ret)
2354 pr_info("%s: association failed %d\n", __func__, ret);
2355scan_lock_out:
706ddd60 2356 mutex_unlock(&wl->scan_lock);
09dde54c 2357out:
bb2d67a3 2358 mutex_unlock(&wl->assoc_stat_lock);
09dde54c
MM		 2359}
2360/*
2361 * Interrupt handler
2362 * Called from the ethernet interrupt handler
2363 * Processes wireless specific virtual interrupts only
2364 */
2365void gelic_wl_interrupt(struct net_device *netdev, u64 status)
2366{
2367 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2368
2369 if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) {
2370 pr_debug("%s:cmd complete\n", __func__);
2371 complete(&wl->cmd_done_intr);
2372 }
2373
2374 if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) {
2375 pr_debug("%s:event received\n", __func__);
2376 queue_delayed_work(wl->event_queue, &wl->event_work, 0);
2377 }
2378}
2379
2380/*
2381 * driver helpers
2382 */
2383#define IW_IOCTL(n) [(n) - SIOCSIWCOMMIT]
2384static const iw_handler gelic_wl_wext_handler[] =
2385{
2386 IW_IOCTL(SIOCGIWNAME) = gelic_wl_get_name,
2387 IW_IOCTL(SIOCGIWRANGE) = gelic_wl_get_range,
2388 IW_IOCTL(SIOCSIWSCAN) = gelic_wl_set_scan,
2389 IW_IOCTL(SIOCGIWSCAN) = gelic_wl_get_scan,
2390 IW_IOCTL(SIOCSIWAUTH) = gelic_wl_set_auth,
2391 IW_IOCTL(SIOCGIWAUTH) = gelic_wl_get_auth,
2392 IW_IOCTL(SIOCSIWESSID) = gelic_wl_set_essid,
2393 IW_IOCTL(SIOCGIWESSID) = gelic_wl_get_essid,
2394 IW_IOCTL(SIOCSIWENCODE) = gelic_wl_set_encode,
2395 IW_IOCTL(SIOCGIWENCODE) = gelic_wl_get_encode,
2396 IW_IOCTL(SIOCSIWAP) = gelic_wl_set_ap,
2397 IW_IOCTL(SIOCGIWAP) = gelic_wl_get_ap,
2398 IW_IOCTL(SIOCSIWENCODEEXT) = gelic_wl_set_encodeext,
2399 IW_IOCTL(SIOCGIWENCODEEXT) = gelic_wl_get_encodeext,
2400 IW_IOCTL(SIOCSIWMODE) = gelic_wl_set_mode,
2401 IW_IOCTL(SIOCGIWMODE) = gelic_wl_get_mode,
2402 IW_IOCTL(SIOCGIWNICKN) = gelic_wl_get_nick,
2403};
2404
f409e348 2405#ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE
09dde54c
MM		 2406static struct iw_priv_args gelic_wl_private_args[] =
2407{
2408 {
2409 .cmd = GELIC_WL_PRIV_SET_PSK,
2410 .set_args = IW_PRIV_TYPE_CHAR |
2411 (GELIC_WL_EURUS_PSK_MAX_LEN + 2),
2412 .name = "set_psk"
2413 },
2414 {
2415 .cmd = GELIC_WL_PRIV_GET_PSK,
2416 .get_args = IW_PRIV_TYPE_CHAR |
2417 (GELIC_WL_EURUS_PSK_MAX_LEN + 2),
2418 .name = "get_psk"
2419 }
2420};
2421
2422static const iw_handler gelic_wl_private_handler[] =
2423{
2424 gelic_wl_priv_set_psk,
2425 gelic_wl_priv_get_psk,
2426};
f409e348 2427#endif
09dde54c
MM		 2428
2429static const struct iw_handler_def gelic_wl_wext_handler_def = {
2430 .num_standard = ARRAY_SIZE(gelic_wl_wext_handler),
2431 .standard = gelic_wl_wext_handler,
2432 .get_wireless_stats = gelic_wl_get_wireless_stats,
f409e348 2433#ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE
09dde54c
MM		 2434 .num_private = ARRAY_SIZE(gelic_wl_private_handler),
2435 .num_private_args = ARRAY_SIZE(gelic_wl_private_args),
2436 .private = gelic_wl_private_handler,
2437 .private_args = gelic_wl_private_args,
f409e348 2438#endif
09dde54c
MM		 2439};
2440
2441static struct net_device *gelic_wl_alloc(struct gelic_card *card)
2442{
2443 struct net_device *netdev;
2444 struct gelic_port *port;
2445 struct gelic_wl_info *wl;
2446 unsigned int i;
2447
2448 pr_debug("%s:start\n", __func__);
2449 netdev = alloc_etherdev(sizeof(struct gelic_port) +
2450 sizeof(struct gelic_wl_info));
2451 pr_debug("%s: netdev =%p card=%p \np", __func__, netdev, card);
2452 if (!netdev)
2453 return NULL;
2454
c1e889be
MM		 2455 strcpy(netdev->name, "wlan%d");
2456
09dde54c
MM		 2457 port = netdev_priv(netdev);
2458 port->netdev = netdev;
2459 port->card = card;
2460 port->type = GELIC_PORT_WIRELESS;
2461
2462 wl = port_wl(port);
2463 pr_debug("%s: wl=%p port=%p\n", __func__, wl, port);
2464
2465 /* allocate scan list */
2466 wl->networks = kzalloc(sizeof(struct gelic_wl_scan_info) *
2467 GELIC_WL_BSS_MAX_ENT, GFP_KERNEL);
2468
2469 if (!wl->networks)
2470 goto fail_bss;
2471
2472 wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd");
2473 if (!wl->eurus_cmd_queue)
2474 goto fail_cmd_workqueue;
2475
2476 wl->event_queue = create_singlethread_workqueue("gelic_event");
2477 if (!wl->event_queue)
2478 goto fail_event_workqueue;
2479
2480 INIT_LIST_HEAD(&wl->network_free_list);
2481 INIT_LIST_HEAD(&wl->network_list);
2482 for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++)
2483 list_add_tail(&wl->networks[i].list,
2484 &wl->network_free_list);
2485 init_completion(&wl->cmd_done_intr);
2486
2487 INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
2488 INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
706ddd60 2489 mutex_init(&wl->scan_lock);
bb2d67a3 2490 mutex_init(&wl->assoc_stat_lock);
09dde54c
MM		 2491
2492 init_completion(&wl->scan_done);
2493 /* for the case that no scan request is issued and stop() is called */
2494 complete(&wl->scan_done);
2495
2496 spin_lock_init(&wl->lock);
2497
2498 wl->scan_age = 5*HZ; /* FIXME */
2499
2500 /* buffer for receiving scanned list etc */
2501 BUILD_BUG_ON(PAGE_SIZE <
2502 sizeof(struct gelic_eurus_scan_info) *
2503 GELIC_EURUS_MAX_SCAN);
09dde54c
MM		 2504 pr_debug("%s:end\n", __func__);
2505 return netdev;
2506
09dde54c
MM		 2507fail_event_workqueue:
2508 destroy_workqueue(wl->eurus_cmd_queue);
2509fail_cmd_workqueue:
2510 kfree(wl->networks);
2511fail_bss:
2512 free_netdev(netdev);
2513 pr_debug("%s:end error\n", __func__);
2514 return NULL;
2515
2516}
2517
2518static void gelic_wl_free(struct gelic_wl_info *wl)
2519{
2520 struct gelic_wl_scan_info *scan_info;
2521 unsigned int i;
2522
2523 pr_debug("%s: <-\n", __func__);
2524
2525 pr_debug("%s: destroy queues\n", __func__);
2526 destroy_workqueue(wl->eurus_cmd_queue);
2527 destroy_workqueue(wl->event_queue);
2528
2529 scan_info = wl->networks;
2530 for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++)
2531 kfree(scan_info->hwinfo);
2532 kfree(wl->networks);
2533
2534 free_netdev(port_to_netdev(wl_port(wl)));
2535
2536 pr_debug("%s: ->\n", __func__);
2537}
2538
2539static int gelic_wl_try_associate(struct net_device *netdev)
2540{
2541 struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2542 int ret = -1;
2543 unsigned int i;
2544
2545 pr_debug("%s: <-\n", __func__);
2546
2547 /* check constraits for start association */
2548 /* for no access restriction AP */
2549 if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) {
2550 if (test_bit(GELIC_WL_STAT_CONFIGURED,
2551 &wl->stat))
2552 goto do_associate;
2553 else {
2554 pr_debug("%s: no wep, not configured\n", __func__);
2555 return ret;
2556 }
2557 }
2558
2559 /* for WEP, one of four keys should be set */
2560 if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
2561 /* one of keys set */
2562 for (i = 0; i < GELIC_WEP_KEYS; i++) {
2563 if (test_bit(i, &wl->key_enabled))
2564 goto do_associate;
2565 }
2566 pr_debug("%s: WEP, but no key specified\n", __func__);
2567 return ret;
2568 }
2569
2570 /* for WPA[2], psk should be set */
2571 if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) ||
2572 (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) {
2573 if (test_bit(GELIC_WL_STAT_WPA_PSK_SET,
2574 &wl->stat))
2575 goto do_associate;
2576 else {
2577 pr_debug("%s: AES/TKIP, but PSK not configured\n",
2578 __func__);
2579 return ret;
2580 }
2581 }
2582
2583do_associate:
2584 ret = schedule_delayed_work(&wl->assoc_work, 0);
2585 pr_debug("%s: start association work %d\n", __func__, ret);
2586 return ret;
2587}
2588
2589/*
2590 * netdev handlers
2591 */
2592static int gelic_wl_open(struct net_device *netdev)
2593{
2594 struct gelic_card *card = netdev_card(netdev);
2595
2596 pr_debug("%s:->%p\n", __func__, netdev);
2597
2598 gelic_card_up(card);
2599
2600 /* try to associate */
2601 gelic_wl_try_associate(netdev);
2602
2603 netif_start_queue(netdev);
2604
2605 pr_debug("%s:<-\n", __func__);
2606 return 0;
2607}
2608
2609/*
2610 * reset state machine
2611 */
2612static int gelic_wl_reset_state(struct gelic_wl_info *wl)
2613{
2614 struct gelic_wl_scan_info *target;
2615 struct gelic_wl_scan_info *tmp;
2616
2617 /* empty scan list */
2618 list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
2619 list_move_tail(&target->list, &wl->network_free_list);
2620 }
2621 wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
2622
2623 /* clear configuration */
2624 wl->auth_method = GELIC_EURUS_AUTH_OPEN;
2625 wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
2626 wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
2627 wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
2628
2629 wl->key_enabled = 0;
2630 wl->current_key = 0;
2631
2632 wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
2633 wl->psk_len = 0;
2634
2635 wl->essid_len = 0;
2636 memset(wl->essid, 0, sizeof(wl->essid));
2637 memset(wl->bssid, 0, sizeof(wl->bssid));
2638 memset(wl->active_bssid, 0, sizeof(wl->active_bssid));
2639
2640 wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2641
2642 memset(&wl->iwstat, 0, sizeof(wl->iwstat));
2643 /* all status bit clear */
2644 wl->stat = 0;
2645 return 0;
2646}
2647
2648/*
2649 * Tell eurus to terminate association
2650 */
2651static void gelic_wl_disconnect(struct net_device *netdev)
2652{
2653 struct gelic_port *port = netdev_priv(netdev);
2654 struct gelic_wl_info *wl = port_wl(port);
2655 struct gelic_eurus_cmd *cmd;
2656
2657 /*
2658 * If scann process is running on chip,
2659 * further requests will be rejected
2660 */
2661 if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING)
2662 wait_for_completion_timeout(&wl->scan_done, HZ);
2663
2664 cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2665 kfree(cmd);
2666 gelic_wl_send_iwap_event(wl, NULL);
2667};
2668
2669static int gelic_wl_stop(struct net_device *netdev)
2670{
2671 struct gelic_port *port = netdev_priv(netdev);
2672 struct gelic_wl_info *wl = port_wl(port);
2673 struct gelic_card *card = netdev_card(netdev);
2674
2675 pr_debug("%s:<-\n", __func__);
2676
2677 /*
2678 * Cancel pending association work.
2679 * event work can run after netdev down
2680 */
2681 cancel_delayed_work(&wl->assoc_work);
2682
2683 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2684 gelic_wl_disconnect(netdev);
2685
2686 /* reset our state machine */
2687 gelic_wl_reset_state(wl);
2688
2689 netif_stop_queue(netdev);
2690
2691 gelic_card_down(card);
2692
2693 pr_debug("%s:->\n", __func__);
2694 return 0;
2695}
2696
2697/* -- */
2698
2699static struct ethtool_ops gelic_wl_ethtool_ops = {
2700 .get_drvinfo = gelic_net_get_drvinfo,
2701 .get_link = gelic_wl_get_link,
2702 .get_tx_csum = ethtool_op_get_tx_csum,
2703 .set_tx_csum = ethtool_op_set_tx_csum,
2704 .get_rx_csum = gelic_net_get_rx_csum,
2705 .set_rx_csum = gelic_net_set_rx_csum,
2706};
2707
2708static void gelic_wl_setup_netdev_ops(struct net_device *netdev)
2709{
2710 struct gelic_wl_info *wl;
2711 wl = port_wl(netdev_priv(netdev));
2712 BUG_ON(!wl);
2713 netdev->open = &gelic_wl_open;
2714 netdev->stop = &gelic_wl_stop;
2715 netdev->hard_start_xmit = &gelic_net_xmit;
2716 netdev->set_multicast_list = &gelic_net_set_multi;
2717 netdev->change_mtu = &gelic_net_change_mtu;
2718 netdev->wireless_data = &wl->wireless_data;
2719 netdev->wireless_handlers = &gelic_wl_wext_handler_def;
2720 /* tx watchdog */
2721 netdev->tx_timeout = &gelic_net_tx_timeout;
2722 netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT;
2723
2724 netdev->ethtool_ops = &gelic_wl_ethtool_ops;
2725#ifdef CONFIG_NET_POLL_CONTROLLER
2726 netdev->poll_controller = gelic_net_poll_controller;
2727#endif
2728}
2729
2730/*
2731 * driver probe/remove
2732 */
2733int gelic_wl_driver_probe(struct gelic_card *card)
2734{
2735 int ret;
2736 struct net_device *netdev;
2737
2738 pr_debug("%s:start\n", __func__);
2739
2740 if (ps3_compare_firmware_version(1, 6, 0) < 0)
2741 return 0;
2742 if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2743 return 0;
2744
2745 /* alloc netdevice for wireless */
2746 netdev = gelic_wl_alloc(card);
2747 if (!netdev)
2748 return -ENOMEM;
2749
2750 /* setup net_device structure */
4b74850d 2751 SET_NETDEV_DEV(netdev, &card->dev->core);
09dde54c
MM		 2752 gelic_wl_setup_netdev_ops(netdev);
2753
2754 /* setup some of net_device and register it */
2755 ret = gelic_net_setup_netdev(netdev, card);
2756 if (ret)
2757 goto fail_setup;
2758 card->netdev[GELIC_PORT_WIRELESS] = netdev;
2759
2760 /* add enable wireless interrupt */
2761 card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED |
2762 GELIC_CARD_WLAN_COMMAND_COMPLETED;
2763 /* to allow wireless commands while both interfaces are down */
2764 gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED |
2765 GELIC_CARD_WLAN_COMMAND_COMPLETED);
2766 pr_debug("%s:end\n", __func__);
2767 return 0;
2768
2769fail_setup:
2770 gelic_wl_free(port_wl(netdev_port(netdev)));
2771
2772 return ret;
2773}
2774
2775int gelic_wl_driver_remove(struct gelic_card *card)
2776{
2777 struct gelic_wl_info *wl;
2778 struct net_device *netdev;
2779
2780 pr_debug("%s:start\n", __func__);
2781
2782 if (ps3_compare_firmware_version(1, 6, 0) < 0)
2783 return 0;
2784 if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2785 return 0;
2786
2787 netdev = card->netdev[GELIC_PORT_WIRELESS];
2788 wl = port_wl(netdev_priv(netdev));
2789
2790 /* if the interface was not up, but associated */
2791 if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2792 gelic_wl_disconnect(netdev);
2793
2794 complete(&wl->cmd_done_intr);
2795
2796 /* cancel all work queue */
2797 cancel_delayed_work(&wl->assoc_work);
2798 cancel_delayed_work(&wl->event_work);
2799 flush_workqueue(wl->eurus_cmd_queue);
2800 flush_workqueue(wl->event_queue);
2801
2802 unregister_netdev(netdev);
2803
2804 /* disable wireless interrupt */
2805 pr_debug("%s: disable intr\n", __func__);
2806 card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED |
2807 GELIC_CARD_WLAN_COMMAND_COMPLETED);
2808 /* free bss list, netdev*/
2809 gelic_wl_free(wl);
2810 pr_debug("%s:end\n", __func__);
2811 return 0;
2812}
Clone of davem's net-next-2.6 tree