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19#include <linux/kernel.h>
20#include <linux/etherdevice.h>
21#include <linux/module.h>
22#include <linux/vmalloc.h>
23#include <net/cfg80211.h>
24#include <net/netlink.h>
25
26#include <brcmu_utils.h>
27#include <defs.h>
28#include <brcmu_wifi.h>
29#include "core.h"
30#include "debug.h"
31#include "tracepoint.h"
32#include "fwil_types.h"
33#include "p2p.h"
34#include "btcoex.h"
35#include "pno.h"
36#include "cfg80211.h"
37#include "feature.h"
38#include "fwil.h"
39#include "proto.h"
40#include "vendor.h"
41#include "bus.h"
42#include "common.h"
43
44#define BRCMF_SCAN_IE_LEN_MAX 2048
45
46#define WPA_OUI "\x00\x50\xF2"
47#define WPA_OUI_TYPE 1
48#define RSN_OUI "\x00\x0F\xAC"
49#define WME_OUI_TYPE 2
50#define WPS_OUI_TYPE 4
51
52#define VS_IE_FIXED_HDR_LEN 6
53#define WPA_IE_VERSION_LEN 2
54#define WPA_IE_MIN_OUI_LEN 4
55#define WPA_IE_SUITE_COUNT_LEN 2
56
57#define WPA_CIPHER_NONE 0
58#define WPA_CIPHER_WEP_40 1
59#define WPA_CIPHER_TKIP 2
60#define WPA_CIPHER_AES_CCM 4
61#define WPA_CIPHER_WEP_104 5
62
63#define RSN_AKM_NONE 0
64#define RSN_AKM_UNSPECIFIED 1
65#define RSN_AKM_PSK 2
66#define RSN_AKM_SHA256_1X 5
67#define RSN_AKM_SHA256_PSK 6
68#define RSN_CAP_LEN 2
69#define RSN_CAP_PTK_REPLAY_CNTR_MASK (BIT(2) | BIT(3))
70#define RSN_CAP_MFPR_MASK BIT(6)
71#define RSN_CAP_MFPC_MASK BIT(7)
72#define RSN_PMKID_COUNT_LEN 2
73
74#define VNDR_IE_CMD_LEN 4
75
76
77#define VNDR_IE_COUNT_OFFSET 4
78#define VNDR_IE_PKTFLAG_OFFSET 8
79#define VNDR_IE_VSIE_OFFSET 12
80#define VNDR_IE_HDR_SIZE 12
81#define VNDR_IE_PARSE_LIMIT 5
82
83#define DOT11_MGMT_HDR_LEN 24
84#define DOT11_BCN_PRB_FIXED_LEN 12
85
86#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
87#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
88#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
89
90#define BRCMF_SCAN_CHANNEL_TIME 40
91#define BRCMF_SCAN_UNASSOC_TIME 40
92#define BRCMF_SCAN_PASSIVE_TIME 120
93
94#define BRCMF_ND_INFO_TIMEOUT msecs_to_jiffies(2000)
95
96#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
97 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
98
99static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
100{
101 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
102 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
103 vif->sme_state);
104 return false;
105 }
106 return true;
107}
108
109#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
110#define RATETAB_ENT(_rateid, _flags) \
111 { \
112 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
113 .hw_value = (_rateid), \
114 .flags = (_flags), \
115 }
116
117static struct ieee80211_rate __wl_rates[] = {
118 RATETAB_ENT(BRCM_RATE_1M, 0),
119 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
120 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
121 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
122 RATETAB_ENT(BRCM_RATE_6M, 0),
123 RATETAB_ENT(BRCM_RATE_9M, 0),
124 RATETAB_ENT(BRCM_RATE_12M, 0),
125 RATETAB_ENT(BRCM_RATE_18M, 0),
126 RATETAB_ENT(BRCM_RATE_24M, 0),
127 RATETAB_ENT(BRCM_RATE_36M, 0),
128 RATETAB_ENT(BRCM_RATE_48M, 0),
129 RATETAB_ENT(BRCM_RATE_54M, 0),
130};
131
132#define wl_g_rates (__wl_rates + 0)
133#define wl_g_rates_size ARRAY_SIZE(__wl_rates)
134#define wl_a_rates (__wl_rates + 4)
135#define wl_a_rates_size (wl_g_rates_size - 4)
136
137#define CHAN2G(_channel, _freq) { \
138 .band = NL80211_BAND_2GHZ, \
139 .center_freq = (_freq), \
140 .hw_value = (_channel), \
141 .max_antenna_gain = 0, \
142 .max_power = 30, \
143}
144
145#define CHAN5G(_channel) { \
146 .band = NL80211_BAND_5GHZ, \
147 .center_freq = 5000 + (5 * (_channel)), \
148 .hw_value = (_channel), \
149 .max_antenna_gain = 0, \
150 .max_power = 30, \
151}
152
153static struct ieee80211_channel __wl_2ghz_channels[] = {
154 CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427),
155 CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447),
156 CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467),
157 CHAN2G(13, 2472), CHAN2G(14, 2484)
158};
159
160static struct ieee80211_channel __wl_5ghz_channels[] = {
161 CHAN5G(34), CHAN5G(36), CHAN5G(38), CHAN5G(40), CHAN5G(42),
162 CHAN5G(44), CHAN5G(46), CHAN5G(48), CHAN5G(52), CHAN5G(56),
163 CHAN5G(60), CHAN5G(64), CHAN5G(100), CHAN5G(104), CHAN5G(108),
164 CHAN5G(112), CHAN5G(116), CHAN5G(120), CHAN5G(124), CHAN5G(128),
165 CHAN5G(132), CHAN5G(136), CHAN5G(140), CHAN5G(144), CHAN5G(149),
166 CHAN5G(153), CHAN5G(157), CHAN5G(161), CHAN5G(165)
167};
168
169
170
171
172static const struct ieee80211_supported_band __wl_band_2ghz = {
173 .band = NL80211_BAND_2GHZ,
174 .bitrates = wl_g_rates,
175 .n_bitrates = wl_g_rates_size,
176};
177
178static const struct ieee80211_supported_band __wl_band_5ghz = {
179 .band = NL80211_BAND_5GHZ,
180 .bitrates = wl_a_rates,
181 .n_bitrates = wl_a_rates_size,
182};
183
184
185
186
187
188
189
190
191static const struct ieee80211_regdomain brcmf_regdom = {
192 .n_reg_rules = 4,
193 .alpha2 = "99",
194 .reg_rules = {
195
196 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
197
198
199
200
201 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
202
203 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
204
205 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
206};
207
208
209
210
211
212
213
214static const u32 brcmf_cipher_suites[] = {
215 WLAN_CIPHER_SUITE_WEP40,
216 WLAN_CIPHER_SUITE_WEP104,
217 WLAN_CIPHER_SUITE_TKIP,
218 WLAN_CIPHER_SUITE_CCMP,
219
220 WLAN_CIPHER_SUITE_AES_CMAC
221};
222
223
224struct brcmf_vs_tlv {
225 u8 id;
226 u8 len;
227 u8 oui[3];
228 u8 oui_type;
229};
230
231struct parsed_vndr_ie_info {
232 u8 *ie_ptr;
233 u32 ie_len;
234 struct brcmf_vs_tlv vndrie;
235};
236
237struct parsed_vndr_ies {
238 u32 count;
239 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
240};
241
242static u8 nl80211_band_to_fwil(enum nl80211_band band)
243{
244 switch (band) {
245 case NL80211_BAND_2GHZ:
246 return WLC_BAND_2G;
247 case NL80211_BAND_5GHZ:
248 return WLC_BAND_5G;
249 default:
250 WARN_ON(1);
251 break;
252 }
253 return 0;
254}
255
256static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
257 struct cfg80211_chan_def *ch)
258{
259 struct brcmu_chan ch_inf;
260 s32 primary_offset;
261
262 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
263 ch->chan->center_freq, ch->center_freq1, ch->width);
264 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
265 primary_offset = ch->chan->center_freq - ch->center_freq1;
266 switch (ch->width) {
267 case NL80211_CHAN_WIDTH_20:
268 case NL80211_CHAN_WIDTH_20_NOHT:
269 ch_inf.bw = BRCMU_CHAN_BW_20;
270 WARN_ON(primary_offset != 0);
271 break;
272 case NL80211_CHAN_WIDTH_40:
273 ch_inf.bw = BRCMU_CHAN_BW_40;
274 if (primary_offset > 0)
275 ch_inf.sb = BRCMU_CHAN_SB_U;
276 else
277 ch_inf.sb = BRCMU_CHAN_SB_L;
278 break;
279 case NL80211_CHAN_WIDTH_80:
280 ch_inf.bw = BRCMU_CHAN_BW_80;
281 if (primary_offset == -30)
282 ch_inf.sb = BRCMU_CHAN_SB_LL;
283 else if (primary_offset == -10)
284 ch_inf.sb = BRCMU_CHAN_SB_LU;
285 else if (primary_offset == 10)
286 ch_inf.sb = BRCMU_CHAN_SB_UL;
287 else
288 ch_inf.sb = BRCMU_CHAN_SB_UU;
289 break;
290 case NL80211_CHAN_WIDTH_80P80:
291 case NL80211_CHAN_WIDTH_160:
292 case NL80211_CHAN_WIDTH_5:
293 case NL80211_CHAN_WIDTH_10:
294 default:
295 WARN_ON_ONCE(1);
296 }
297 switch (ch->chan->band) {
298 case NL80211_BAND_2GHZ:
299 ch_inf.band = BRCMU_CHAN_BAND_2G;
300 break;
301 case NL80211_BAND_5GHZ:
302 ch_inf.band = BRCMU_CHAN_BAND_5G;
303 break;
304 case NL80211_BAND_60GHZ:
305 default:
306 WARN_ON_ONCE(1);
307 }
308 d11inf->encchspec(&ch_inf);
309
310 return ch_inf.chspec;
311}
312
313u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
314 struct ieee80211_channel *ch)
315{
316 struct brcmu_chan ch_inf;
317
318 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
319 ch_inf.bw = BRCMU_CHAN_BW_20;
320 d11inf->encchspec(&ch_inf);
321
322 return ch_inf.chspec;
323}
324
325
326
327
328
329static const struct brcmf_tlv *
330brcmf_parse_tlvs(const void *buf, int buflen, uint key)
331{
332 const struct brcmf_tlv *elt = buf;
333 int totlen = buflen;
334
335
336 while (totlen >= TLV_HDR_LEN) {
337 int len = elt->len;
338
339
340 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
341 return elt;
342
343 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
344 totlen -= (len + TLV_HDR_LEN);
345 }
346
347 return NULL;
348}
349
350
351
352
353static bool
354brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
355 const u8 *oui, u32 oui_len, u8 type)
356{
357
358 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
359 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
360 type == ie[TLV_BODY_OFF + oui_len]) {
361 return true;
362 }
363
364 if (tlvs == NULL)
365 return false;
366
367 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
368
369 *tlvs_len -= (int)(ie - *tlvs);
370
371 *tlvs = ie;
372
373 return false;
374}
375
376static struct brcmf_vs_tlv *
377brcmf_find_wpaie(const u8 *parse, u32 len)
378{
379 const struct brcmf_tlv *ie;
380
381 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
382 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
383 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
384 return (struct brcmf_vs_tlv *)ie;
385 }
386 return NULL;
387}
388
389static struct brcmf_vs_tlv *
390brcmf_find_wpsie(const u8 *parse, u32 len)
391{
392 const struct brcmf_tlv *ie;
393
394 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
395 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
396 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
397 return (struct brcmf_vs_tlv *)ie;
398 }
399 return NULL;
400}
401
402static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg,
403 struct brcmf_cfg80211_vif *vif,
404 enum nl80211_iftype new_type)
405{
406 struct brcmf_cfg80211_vif *pos;
407 bool check_combos = false;
408 int ret = 0;
409 struct iface_combination_params params = {
410 .num_different_channels = 1,
411 };
412
413 list_for_each_entry(pos, &cfg->vif_list, list)
414 if (pos == vif) {
415 params.iftype_num[new_type]++;
416 } else {
417
418 check_combos = true;
419 params.iftype_num[pos->wdev.iftype]++;
420 }
421
422 if (check_combos)
423 ret = cfg80211_check_combinations(cfg->wiphy, ¶ms);
424
425 return ret;
426}
427
428static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg,
429 enum nl80211_iftype new_type)
430{
431 struct brcmf_cfg80211_vif *pos;
432 struct iface_combination_params params = {
433 .num_different_channels = 1,
434 };
435
436 list_for_each_entry(pos, &cfg->vif_list, list)
437 params.iftype_num[pos->wdev.iftype]++;
438
439 params.iftype_num[new_type]++;
440 return cfg80211_check_combinations(cfg->wiphy, ¶ms);
441}
442
443static void convert_key_from_CPU(struct brcmf_wsec_key *key,
444 struct brcmf_wsec_key_le *key_le)
445{
446 key_le->index = cpu_to_le32(key->index);
447 key_le->len = cpu_to_le32(key->len);
448 key_le->algo = cpu_to_le32(key->algo);
449 key_le->flags = cpu_to_le32(key->flags);
450 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
451 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
452 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
453 memcpy(key_le->data, key->data, sizeof(key->data));
454 memcpy(key_le->ea, key->ea, sizeof(key->ea));
455}
456
457static int
458send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
459{
460 int err;
461 struct brcmf_wsec_key_le key_le;
462
463 convert_key_from_CPU(key, &key_le);
464
465 brcmf_netdev_wait_pend8021x(ifp);
466
467 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le,
468 sizeof(key_le));
469
470 if (err)
471 brcmf_err("wsec_key error (%d)\n", err);
472 return err;
473}
474
475static s32
476brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable)
477{
478 s32 err;
479 u32 mode;
480
481 if (enable)
482 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
483 else
484 mode = 0;
485
486
487
488 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
489 if (err) {
490 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
491 mode, err);
492 err = 0;
493 } else {
494 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
495 if (err) {
496 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
497 enable, err);
498 err = 0;
499 } else
500 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
501 enable, mode);
502 }
503
504 err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable);
505 if (err) {
506 brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n",
507 enable, err);
508 err = 0;
509 } else
510 brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n",
511 enable, mode);
512
513 return err;
514}
515
516static void
517brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
518{
519 struct brcmf_cfg80211_vif *vif;
520 struct brcmf_if *ifp;
521
522 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
523 ifp = vif->ifp;
524
525 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
526 (wdev->iftype == NL80211_IFTYPE_AP) ||
527 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
528 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
529 ADDR_DIRECT);
530 else
531 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
532 ADDR_INDIRECT);
533}
534
535static int brcmf_get_first_free_bsscfgidx(struct brcmf_pub *drvr)
536{
537 int bsscfgidx;
538
539 for (bsscfgidx = 0; bsscfgidx < BRCMF_MAX_IFS; bsscfgidx++) {
540
541 if (bsscfgidx == 1)
542 continue;
543 if (!drvr->iflist[bsscfgidx])
544 return bsscfgidx;
545 }
546
547 return -ENOMEM;
548}
549
550static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
551{
552 struct brcmf_mbss_ssid_le mbss_ssid_le;
553 int bsscfgidx;
554 int err;
555
556 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
557 bsscfgidx = brcmf_get_first_free_bsscfgidx(ifp->drvr);
558 if (bsscfgidx < 0)
559 return bsscfgidx;
560
561 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
562 mbss_ssid_le.SSID_len = cpu_to_le32(5);
563 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
564
565 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
566 sizeof(mbss_ssid_le));
567 if (err < 0)
568 brcmf_err("setting ssid failed %d\n", err);
569
570 return err;
571}
572
573
574
575
576
577
578
579
580static
581struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
582 struct vif_params *params)
583{
584 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
585 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
586 struct brcmf_cfg80211_vif *vif;
587 int err;
588
589 if (brcmf_cfg80211_vif_event_armed(cfg))
590 return ERR_PTR(-EBUSY);
591
592 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
593
594 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP);
595 if (IS_ERR(vif))
596 return (struct wireless_dev *)vif;
597
598 brcmf_cfg80211_arm_vif_event(cfg, vif);
599
600 err = brcmf_cfg80211_request_ap_if(ifp);
601 if (err) {
602 brcmf_cfg80211_arm_vif_event(cfg, NULL);
603 goto fail;
604 }
605
606
607 err = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_ADD,
608 BRCMF_VIF_EVENT_TIMEOUT);
609 brcmf_cfg80211_arm_vif_event(cfg, NULL);
610 if (!err) {
611 brcmf_err("timeout occurred\n");
612 err = -EIO;
613 goto fail;
614 }
615
616
617 ifp = vif->ifp;
618 if (!ifp) {
619 brcmf_err("no if pointer provided\n");
620 err = -ENOENT;
621 goto fail;
622 }
623
624 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
625 err = brcmf_net_attach(ifp, true);
626 if (err) {
627 brcmf_err("Registering netdevice failed\n");
628 goto fail;
629 }
630
631 return &ifp->vif->wdev;
632
633fail:
634 brcmf_free_vif(vif);
635 return ERR_PTR(err);
636}
637
638static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
639{
640 enum nl80211_iftype iftype;
641
642 iftype = vif->wdev.iftype;
643 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
644}
645
646static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
647{
648 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
649}
650
651static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
652 const char *name,
653 unsigned char name_assign_type,
654 enum nl80211_iftype type,
655 struct vif_params *params)
656{
657 struct wireless_dev *wdev;
658 int err;
659
660 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
661 err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type);
662 if (err) {
663 brcmf_err("iface validation failed: err=%d\n", err);
664 return ERR_PTR(err);
665 }
666 switch (type) {
667 case NL80211_IFTYPE_ADHOC:
668 case NL80211_IFTYPE_STATION:
669 case NL80211_IFTYPE_AP_VLAN:
670 case NL80211_IFTYPE_WDS:
671 case NL80211_IFTYPE_MONITOR:
672 case NL80211_IFTYPE_MESH_POINT:
673 return ERR_PTR(-EOPNOTSUPP);
674 case NL80211_IFTYPE_AP:
675 wdev = brcmf_ap_add_vif(wiphy, name, params);
676 break;
677 case NL80211_IFTYPE_P2P_CLIENT:
678 case NL80211_IFTYPE_P2P_GO:
679 case NL80211_IFTYPE_P2P_DEVICE:
680 wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, params);
681 break;
682 case NL80211_IFTYPE_UNSPECIFIED:
683 default:
684 return ERR_PTR(-EINVAL);
685 }
686
687 if (IS_ERR(wdev))
688 brcmf_err("add iface %s type %d failed: err=%d\n",
689 name, type, (int)PTR_ERR(wdev));
690 else
691 brcmf_cfg80211_update_proto_addr_mode(wdev);
692
693 return wdev;
694}
695
696static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
697{
698 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
699 brcmf_set_mpc(ifp, mpc);
700}
701
702void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
703{
704 s32 err = 0;
705
706 if (check_vif_up(ifp->vif)) {
707 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
708 if (err) {
709 brcmf_err("fail to set mpc\n");
710 return;
711 }
712 brcmf_dbg(INFO, "MPC : %d\n", mpc);
713 }
714}
715
716s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
717 struct brcmf_if *ifp, bool aborted,
718 bool fw_abort)
719{
720 struct brcmf_scan_params_le params_le;
721 struct cfg80211_scan_request *scan_request;
722 s32 err = 0;
723
724 brcmf_dbg(SCAN, "Enter\n");
725
726
727
728 scan_request = cfg->scan_request;
729 cfg->scan_request = NULL;
730
731 if (timer_pending(&cfg->escan_timeout))
732 del_timer_sync(&cfg->escan_timeout);
733
734 if (fw_abort) {
735
736 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
737 memset(¶ms_le, 0, sizeof(params_le));
738 eth_broadcast_addr(params_le.bssid);
739 params_le.bss_type = DOT11_BSSTYPE_ANY;
740 params_le.scan_type = 0;
741 params_le.channel_num = cpu_to_le32(1);
742 params_le.nprobes = cpu_to_le32(1);
743 params_le.active_time = cpu_to_le32(-1);
744 params_le.passive_time = cpu_to_le32(-1);
745 params_le.home_time = cpu_to_le32(-1);
746
747 params_le.channel_list[0] = cpu_to_le16(-1);
748
749 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
750 ¶ms_le, sizeof(params_le));
751 if (err)
752 brcmf_err("Scan abort failed\n");
753 }
754
755 brcmf_scan_config_mpc(ifp, 1);
756
757
758
759
760
761 if (cfg->internal_escan) {
762 brcmf_dbg(SCAN, "scheduled scan completed\n");
763 cfg->internal_escan = false;
764 if (!aborted)
765 cfg80211_sched_scan_results(cfg_to_wiphy(cfg), 0);
766 } else if (scan_request) {
767 struct cfg80211_scan_info info = {
768 .aborted = aborted,
769 };
770
771 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
772 aborted ? "Aborted" : "Done");
773 cfg80211_scan_done(scan_request, &info);
774 }
775 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
776 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
777
778 return err;
779}
780
781static int brcmf_cfg80211_del_ap_iface(struct wiphy *wiphy,
782 struct wireless_dev *wdev)
783{
784 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
785 struct net_device *ndev = wdev->netdev;
786 struct brcmf_if *ifp = netdev_priv(ndev);
787 int ret;
788 int err;
789
790 brcmf_cfg80211_arm_vif_event(cfg, ifp->vif);
791
792 err = brcmf_fil_bsscfg_data_set(ifp, "interface_remove", NULL, 0);
793 if (err) {
794 brcmf_err("interface_remove failed %d\n", err);
795 goto err_unarm;
796 }
797
798
799 ret = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_DEL,
800 BRCMF_VIF_EVENT_TIMEOUT);
801 if (!ret) {
802 brcmf_err("timeout occurred\n");
803 err = -EIO;
804 goto err_unarm;
805 }
806
807 brcmf_remove_interface(ifp, true);
808
809err_unarm:
810 brcmf_cfg80211_arm_vif_event(cfg, NULL);
811 return err;
812}
813
814static
815int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
816{
817 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
818 struct net_device *ndev = wdev->netdev;
819
820 if (ndev && ndev == cfg_to_ndev(cfg))
821 return -ENOTSUPP;
822
823
824 if (brcmf_cfg80211_vif_event_armed(cfg))
825 return -EBUSY;
826
827 if (ndev) {
828 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
829 cfg->escan_info.ifp == netdev_priv(ndev))
830 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
831 true, true);
832
833 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
834 }
835
836 switch (wdev->iftype) {
837 case NL80211_IFTYPE_ADHOC:
838 case NL80211_IFTYPE_STATION:
839 case NL80211_IFTYPE_AP_VLAN:
840 case NL80211_IFTYPE_WDS:
841 case NL80211_IFTYPE_MONITOR:
842 case NL80211_IFTYPE_MESH_POINT:
843 return -EOPNOTSUPP;
844 case NL80211_IFTYPE_AP:
845 return brcmf_cfg80211_del_ap_iface(wiphy, wdev);
846 case NL80211_IFTYPE_P2P_CLIENT:
847 case NL80211_IFTYPE_P2P_GO:
848 case NL80211_IFTYPE_P2P_DEVICE:
849 return brcmf_p2p_del_vif(wiphy, wdev);
850 case NL80211_IFTYPE_UNSPECIFIED:
851 default:
852 return -EINVAL;
853 }
854 return -EOPNOTSUPP;
855}
856
857static s32
858brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
859 enum nl80211_iftype type,
860 struct vif_params *params)
861{
862 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
863 struct brcmf_if *ifp = netdev_priv(ndev);
864 struct brcmf_cfg80211_vif *vif = ifp->vif;
865 s32 infra = 0;
866 s32 ap = 0;
867 s32 err = 0;
868
869 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, type=%d\n", ifp->bsscfgidx,
870 type);
871
872
873
874
875
876
877
878
879
880 if ((type == NL80211_IFTYPE_STATION) &&
881 ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
882 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) ||
883 (vif->wdev.iftype == NL80211_IFTYPE_P2P_DEVICE))) {
884 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
885
886
887
888
889
890
891
892
893
894
895
896
897 if (cfg->p2p.p2pdev_dynamically)
898 return -EOPNOTSUPP;
899 else
900 return 0;
901 }
902 err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type);
903 if (err) {
904 brcmf_err("iface validation failed: err=%d\n", err);
905 return err;
906 }
907 switch (type) {
908 case NL80211_IFTYPE_MONITOR:
909 case NL80211_IFTYPE_WDS:
910 brcmf_err("type (%d) : currently we do not support this type\n",
911 type);
912 return -EOPNOTSUPP;
913 case NL80211_IFTYPE_ADHOC:
914 infra = 0;
915 break;
916 case NL80211_IFTYPE_STATION:
917 infra = 1;
918 break;
919 case NL80211_IFTYPE_AP:
920 case NL80211_IFTYPE_P2P_GO:
921 ap = 1;
922 break;
923 default:
924 err = -EINVAL;
925 goto done;
926 }
927
928 if (ap) {
929 if (type == NL80211_IFTYPE_P2P_GO) {
930 brcmf_dbg(INFO, "IF Type = P2P GO\n");
931 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
932 }
933 if (!err) {
934 brcmf_dbg(INFO, "IF Type = AP\n");
935 }
936 } else {
937 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
938 if (err) {
939 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
940 err = -EAGAIN;
941 goto done;
942 }
943 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
944 "Adhoc" : "Infra");
945 }
946 ndev->ieee80211_ptr->iftype = type;
947
948 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
949
950done:
951 brcmf_dbg(TRACE, "Exit\n");
952
953 return err;
954}
955
956static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
957 struct brcmf_scan_params_le *params_le,
958 struct cfg80211_scan_request *request)
959{
960 u32 n_ssids;
961 u32 n_channels;
962 s32 i;
963 s32 offset;
964 u16 chanspec;
965 char *ptr;
966 struct brcmf_ssid_le ssid_le;
967
968 eth_broadcast_addr(params_le->bssid);
969 params_le->bss_type = DOT11_BSSTYPE_ANY;
970 params_le->scan_type = 0;
971 params_le->channel_num = 0;
972 params_le->nprobes = cpu_to_le32(-1);
973 params_le->active_time = cpu_to_le32(-1);
974 params_le->passive_time = cpu_to_le32(-1);
975 params_le->home_time = cpu_to_le32(-1);
976 memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le));
977
978
979 if (!request)
980 return;
981
982 n_ssids = request->n_ssids;
983 n_channels = request->n_channels;
984
985 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
986 n_channels);
987 if (n_channels > 0) {
988 for (i = 0; i < n_channels; i++) {
989 chanspec = channel_to_chanspec(&cfg->d11inf,
990 request->channels[i]);
991 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
992 request->channels[i]->hw_value, chanspec);
993 params_le->channel_list[i] = cpu_to_le16(chanspec);
994 }
995 } else {
996 brcmf_dbg(SCAN, "Scanning all channels\n");
997 }
998
999 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
1000 if (n_ssids > 0) {
1001 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
1002 n_channels * sizeof(u16);
1003 offset = roundup(offset, sizeof(u32));
1004 ptr = (char *)params_le + offset;
1005 for (i = 0; i < n_ssids; i++) {
1006 memset(&ssid_le, 0, sizeof(ssid_le));
1007 ssid_le.SSID_len =
1008 cpu_to_le32(request->ssids[i].ssid_len);
1009 memcpy(ssid_le.SSID, request->ssids[i].ssid,
1010 request->ssids[i].ssid_len);
1011 if (!ssid_le.SSID_len)
1012 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
1013 else
1014 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
1015 i, ssid_le.SSID, ssid_le.SSID_len);
1016 memcpy(ptr, &ssid_le, sizeof(ssid_le));
1017 ptr += sizeof(ssid_le);
1018 }
1019 } else {
1020 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
1021 if ((request->ssids) && request->ssids->ssid_len) {
1022 brcmf_dbg(SCAN, "SSID %s len=%d\n",
1023 params_le->ssid_le.SSID,
1024 request->ssids->ssid_len);
1025 params_le->ssid_le.SSID_len =
1026 cpu_to_le32(request->ssids->ssid_len);
1027 memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid,
1028 request->ssids->ssid_len);
1029 }
1030 }
1031
1032 params_le->channel_num =
1033 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
1034 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
1035}
1036
1037static s32
1038brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
1039 struct cfg80211_scan_request *request)
1040{
1041 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
1042 offsetof(struct brcmf_escan_params_le, params_le);
1043 struct brcmf_escan_params_le *params;
1044 s32 err = 0;
1045
1046 brcmf_dbg(SCAN, "E-SCAN START\n");
1047
1048 if (request != NULL) {
1049
1050 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
1051
1052
1053 params_size += sizeof(struct brcmf_ssid_le) * request->n_ssids;
1054 }
1055
1056 params = kzalloc(params_size, GFP_KERNEL);
1057 if (!params) {
1058 err = -ENOMEM;
1059 goto exit;
1060 }
1061 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
1062 brcmf_escan_prep(cfg, ¶ms->params_le, request);
1063 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
1064 params->action = cpu_to_le16(WL_ESCAN_ACTION_START);
1065 params->sync_id = cpu_to_le16(0x1234);
1066
1067 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
1068 if (err) {
1069 if (err == -EBUSY)
1070 brcmf_dbg(INFO, "system busy : escan canceled\n");
1071 else
1072 brcmf_err("error (%d)\n", err);
1073 }
1074
1075 kfree(params);
1076exit:
1077 return err;
1078}
1079
1080static s32
1081brcmf_do_escan(struct brcmf_if *ifp, struct cfg80211_scan_request *request)
1082{
1083 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
1084 s32 err;
1085 u32 passive_scan;
1086 struct brcmf_scan_results *results;
1087 struct escan_info *escan = &cfg->escan_info;
1088
1089 brcmf_dbg(SCAN, "Enter\n");
1090 escan->ifp = ifp;
1091 escan->wiphy = cfg->wiphy;
1092 escan->escan_state = WL_ESCAN_STATE_SCANNING;
1093 passive_scan = cfg->active_scan ? 0 : 1;
1094 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
1095 passive_scan);
1096 if (err) {
1097 brcmf_err("error (%d)\n", err);
1098 return err;
1099 }
1100 brcmf_scan_config_mpc(ifp, 0);
1101 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
1102 results->version = 0;
1103 results->count = 0;
1104 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
1105
1106 err = escan->run(cfg, ifp, request);
1107 if (err)
1108 brcmf_scan_config_mpc(ifp, 1);
1109 return err;
1110}
1111
1112static s32
1113brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
1114 struct cfg80211_scan_request *request,
1115 struct cfg80211_ssid *this_ssid)
1116{
1117 struct brcmf_if *ifp = vif->ifp;
1118 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1119 struct cfg80211_ssid *ssids;
1120 u32 passive_scan;
1121 bool escan_req;
1122 bool spec_scan;
1123 s32 err;
1124 struct brcmf_ssid_le ssid_le;
1125 u32 SSID_len;
1126
1127 brcmf_dbg(SCAN, "START ESCAN\n");
1128
1129 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
1130 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
1131 return -EAGAIN;
1132 }
1133 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
1134 brcmf_err("Scanning being aborted: status (%lu)\n",
1135 cfg->scan_status);
1136 return -EAGAIN;
1137 }
1138 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
1139 brcmf_err("Scanning suppressed: status (%lu)\n",
1140 cfg->scan_status);
1141 return -EAGAIN;
1142 }
1143 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
1144 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
1145 return -EAGAIN;
1146 }
1147
1148
1149 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
1150 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
1151
1152 escan_req = false;
1153 if (request) {
1154
1155 ssids = request->ssids;
1156 escan_req = true;
1157 } else {
1158
1159
1160 ssids = this_ssid;
1161 }
1162
1163 cfg->scan_request = request;
1164 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
1165 if (escan_req) {
1166 cfg->escan_info.run = brcmf_run_escan;
1167 err = brcmf_p2p_scan_prep(wiphy, request, vif);
1168 if (err)
1169 goto scan_out;
1170
1171 err = brcmf_do_escan(vif->ifp, request);
1172 if (err)
1173 goto scan_out;
1174 } else {
1175 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
1176 ssids->ssid, ssids->ssid_len);
1177 memset(&ssid_le, 0, sizeof(ssid_le));
1178 SSID_len = min_t(u8, sizeof(ssid_le.SSID), ssids->ssid_len);
1179 ssid_le.SSID_len = cpu_to_le32(0);
1180 spec_scan = false;
1181 if (SSID_len) {
1182 memcpy(ssid_le.SSID, ssids->ssid, SSID_len);
1183 ssid_le.SSID_len = cpu_to_le32(SSID_len);
1184 spec_scan = true;
1185 } else
1186 brcmf_dbg(SCAN, "Broadcast scan\n");
1187
1188 passive_scan = cfg->active_scan ? 0 : 1;
1189 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
1190 passive_scan);
1191 if (err) {
1192 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
1193 goto scan_out;
1194 }
1195 brcmf_scan_config_mpc(ifp, 0);
1196 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, &ssid_le,
1197 sizeof(ssid_le));
1198 if (err) {
1199 if (err == -EBUSY)
1200 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
1201 ssid_le.SSID);
1202 else
1203 brcmf_err("WLC_SCAN error (%d)\n", err);
1204
1205 brcmf_scan_config_mpc(ifp, 1);
1206 goto scan_out;
1207 }
1208 }
1209
1210
1211 mod_timer(&cfg->escan_timeout, jiffies +
1212 BRCMF_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
1213
1214 return 0;
1215
1216scan_out:
1217 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
1218 cfg->scan_request = NULL;
1219 return err;
1220}
1221
1222static s32
1223brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
1224{
1225 struct brcmf_cfg80211_vif *vif;
1226 s32 err = 0;
1227
1228 brcmf_dbg(TRACE, "Enter\n");
1229 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1230 if (!check_vif_up(vif))
1231 return -EIO;
1232
1233 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
1234
1235 if (err)
1236 brcmf_err("scan error (%d)\n", err);
1237
1238 brcmf_dbg(TRACE, "Exit\n");
1239 return err;
1240}
1241
1242static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1243{
1244 s32 err = 0;
1245
1246 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1247 rts_threshold);
1248 if (err)
1249 brcmf_err("Error (%d)\n", err);
1250
1251 return err;
1252}
1253
1254static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1255{
1256 s32 err = 0;
1257
1258 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1259 frag_threshold);
1260 if (err)
1261 brcmf_err("Error (%d)\n", err);
1262
1263 return err;
1264}
1265
1266static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1267{
1268 s32 err = 0;
1269 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
1270
1271 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
1272 if (err) {
1273 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
1274 return err;
1275 }
1276 return err;
1277}
1278
1279static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1280{
1281 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1282 struct net_device *ndev = cfg_to_ndev(cfg);
1283 struct brcmf_if *ifp = netdev_priv(ndev);
1284 s32 err = 0;
1285
1286 brcmf_dbg(TRACE, "Enter\n");
1287 if (!check_vif_up(ifp->vif))
1288 return -EIO;
1289
1290 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
1291 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1292 cfg->conf->rts_threshold = wiphy->rts_threshold;
1293 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
1294 if (!err)
1295 goto done;
1296 }
1297 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
1298 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1299 cfg->conf->frag_threshold = wiphy->frag_threshold;
1300 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
1301 if (!err)
1302 goto done;
1303 }
1304 if (changed & WIPHY_PARAM_RETRY_LONG
1305 && (cfg->conf->retry_long != wiphy->retry_long)) {
1306 cfg->conf->retry_long = wiphy->retry_long;
1307 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
1308 if (!err)
1309 goto done;
1310 }
1311 if (changed & WIPHY_PARAM_RETRY_SHORT
1312 && (cfg->conf->retry_short != wiphy->retry_short)) {
1313 cfg->conf->retry_short = wiphy->retry_short;
1314 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
1315 if (!err)
1316 goto done;
1317 }
1318
1319done:
1320 brcmf_dbg(TRACE, "Exit\n");
1321 return err;
1322}
1323
1324static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1325{
1326 memset(prof, 0, sizeof(*prof));
1327}
1328
1329static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e)
1330{
1331 u16 reason;
1332
1333 switch (e->event_code) {
1334 case BRCMF_E_DEAUTH:
1335 case BRCMF_E_DEAUTH_IND:
1336 case BRCMF_E_DISASSOC_IND:
1337 reason = e->reason;
1338 break;
1339 case BRCMF_E_LINK:
1340 default:
1341 reason = 0;
1342 break;
1343 }
1344 return reason;
1345}
1346
1347static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason)
1348{
1349 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
1350 s32 err = 0;
1351
1352 brcmf_dbg(TRACE, "Enter\n");
1353
1354 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
1355 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
1356 err = brcmf_fil_cmd_data_set(vif->ifp,
1357 BRCMF_C_DISASSOC, NULL, 0);
1358 if (err) {
1359 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
1360 }
1361 if ((vif->wdev.iftype == NL80211_IFTYPE_STATION) ||
1362 (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT))
1363 cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0,
1364 true, GFP_KERNEL);
1365 }
1366 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
1367 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1368 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
1369 brcmf_dbg(TRACE, "Exit\n");
1370}
1371
1372static s32
1373brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1374 struct cfg80211_ibss_params *params)
1375{
1376 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1377 struct brcmf_if *ifp = netdev_priv(ndev);
1378 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1379 struct brcmf_join_params join_params;
1380 size_t join_params_size = 0;
1381 s32 err = 0;
1382 s32 wsec = 0;
1383 s32 bcnprd;
1384 u16 chanspec;
1385 u32 ssid_len;
1386
1387 brcmf_dbg(TRACE, "Enter\n");
1388 if (!check_vif_up(ifp->vif))
1389 return -EIO;
1390
1391 if (params->ssid)
1392 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
1393 else {
1394 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
1395 return -EOPNOTSUPP;
1396 }
1397
1398 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1399
1400 if (params->bssid)
1401 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
1402 else
1403 brcmf_dbg(CONN, "No BSSID specified\n");
1404
1405 if (params->chandef.chan)
1406 brcmf_dbg(CONN, "channel: %d\n",
1407 params->chandef.chan->center_freq);
1408 else
1409 brcmf_dbg(CONN, "no channel specified\n");
1410
1411 if (params->channel_fixed)
1412 brcmf_dbg(CONN, "fixed channel required\n");
1413 else
1414 brcmf_dbg(CONN, "no fixed channel required\n");
1415
1416 if (params->ie && params->ie_len)
1417 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
1418 else
1419 brcmf_dbg(CONN, "no ie specified\n");
1420
1421 if (params->beacon_interval)
1422 brcmf_dbg(CONN, "beacon interval: %d\n",
1423 params->beacon_interval);
1424 else
1425 brcmf_dbg(CONN, "no beacon interval specified\n");
1426
1427 if (params->basic_rates)
1428 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
1429 else
1430 brcmf_dbg(CONN, "no basic rates specified\n");
1431
1432 if (params->privacy)
1433 brcmf_dbg(CONN, "privacy required\n");
1434 else
1435 brcmf_dbg(CONN, "no privacy required\n");
1436
1437
1438 if (params->privacy)
1439 wsec |= WEP_ENABLED;
1440
1441 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
1442 if (err) {
1443 brcmf_err("wsec failed (%d)\n", err);
1444 goto done;
1445 }
1446
1447
1448 if (params->beacon_interval)
1449 bcnprd = params->beacon_interval;
1450 else
1451 bcnprd = 100;
1452
1453 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
1454 if (err) {
1455 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
1456 goto done;
1457 }
1458
1459
1460 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1461
1462
1463 ssid_len = min_t(u32, params->ssid_len, IEEE80211_MAX_SSID_LEN);
1464 memcpy(join_params.ssid_le.SSID, params->ssid, ssid_len);
1465 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len);
1466 join_params_size = sizeof(join_params.ssid_le);
1467
1468
1469 if (params->bssid) {
1470 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1471 join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE;
1472 memcpy(profile->bssid, params->bssid, ETH_ALEN);
1473 } else {
1474 eth_broadcast_addr(join_params.params_le.bssid);
1475 eth_zero_addr(profile->bssid);
1476 }
1477
1478
1479 if (params->chandef.chan) {
1480 u32 target_channel;
1481
1482 cfg->channel =
1483 ieee80211_frequency_to_channel(
1484 params->chandef.chan->center_freq);
1485 if (params->channel_fixed) {
1486
1487 chanspec = chandef_to_chanspec(&cfg->d11inf,
1488 ¶ms->chandef);
1489 join_params.params_le.chanspec_list[0] =
1490 cpu_to_le16(chanspec);
1491 join_params.params_le.chanspec_num = cpu_to_le32(1);
1492 join_params_size += sizeof(join_params.params_le);
1493 }
1494
1495
1496 target_channel = cfg->channel;
1497 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
1498 target_channel);
1499 if (err) {
1500 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
1501 goto done;
1502 }
1503 } else
1504 cfg->channel = 0;
1505
1506 cfg->ibss_starter = false;
1507
1508
1509 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
1510 &join_params, join_params_size);
1511 if (err) {
1512 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
1513 goto done;
1514 }
1515
1516done:
1517 if (err)
1518 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1519 brcmf_dbg(TRACE, "Exit\n");
1520 return err;
1521}
1522
1523static s32
1524brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1525{
1526 struct brcmf_if *ifp = netdev_priv(ndev);
1527
1528 brcmf_dbg(TRACE, "Enter\n");
1529 if (!check_vif_up(ifp->vif)) {
1530
1531
1532
1533
1534 return 0;
1535 }
1536
1537 brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING);
1538 brcmf_net_setcarrier(ifp, false);
1539
1540 brcmf_dbg(TRACE, "Exit\n");
1541
1542 return 0;
1543}
1544
1545static s32 brcmf_set_wpa_version(struct net_device *ndev,
1546 struct cfg80211_connect_params *sme)
1547{
1548 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1549 struct brcmf_cfg80211_security *sec;
1550 s32 val = 0;
1551 s32 err = 0;
1552
1553 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1554 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1555 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1556 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1557 else
1558 val = WPA_AUTH_DISABLED;
1559 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
1560 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
1561 if (err) {
1562 brcmf_err("set wpa_auth failed (%d)\n", err);
1563 return err;
1564 }
1565 sec = &profile->sec;
1566 sec->wpa_versions = sme->crypto.wpa_versions;
1567 return err;
1568}
1569
1570static s32 brcmf_set_auth_type(struct net_device *ndev,
1571 struct cfg80211_connect_params *sme)
1572{
1573 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1574 struct brcmf_cfg80211_security *sec;
1575 s32 val = 0;
1576 s32 err = 0;
1577
1578 switch (sme->auth_type) {
1579 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1580 val = 0;
1581 brcmf_dbg(CONN, "open system\n");
1582 break;
1583 case NL80211_AUTHTYPE_SHARED_KEY:
1584 val = 1;
1585 brcmf_dbg(CONN, "shared key\n");
1586 break;
1587 default:
1588 val = 2;
1589 brcmf_dbg(CONN, "automatic, auth type (%d)\n", sme->auth_type);
1590 break;
1591 }
1592
1593 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1594 if (err) {
1595 brcmf_err("set auth failed (%d)\n", err);
1596 return err;
1597 }
1598 sec = &profile->sec;
1599 sec->auth_type = sme->auth_type;
1600 return err;
1601}
1602
1603static s32
1604brcmf_set_wsec_mode(struct net_device *ndev,
1605 struct cfg80211_connect_params *sme)
1606{
1607 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1608 struct brcmf_cfg80211_security *sec;
1609 s32 pval = 0;
1610 s32 gval = 0;
1611 s32 wsec;
1612 s32 err = 0;
1613
1614 if (sme->crypto.n_ciphers_pairwise) {
1615 switch (sme->crypto.ciphers_pairwise[0]) {
1616 case WLAN_CIPHER_SUITE_WEP40:
1617 case WLAN_CIPHER_SUITE_WEP104:
1618 pval = WEP_ENABLED;
1619 break;
1620 case WLAN_CIPHER_SUITE_TKIP:
1621 pval = TKIP_ENABLED;
1622 break;
1623 case WLAN_CIPHER_SUITE_CCMP:
1624 pval = AES_ENABLED;
1625 break;
1626 case WLAN_CIPHER_SUITE_AES_CMAC:
1627 pval = AES_ENABLED;
1628 break;
1629 default:
1630 brcmf_err("invalid cipher pairwise (%d)\n",
1631 sme->crypto.ciphers_pairwise[0]);
1632 return -EINVAL;
1633 }
1634 }
1635 if (sme->crypto.cipher_group) {
1636 switch (sme->crypto.cipher_group) {
1637 case WLAN_CIPHER_SUITE_WEP40:
1638 case WLAN_CIPHER_SUITE_WEP104:
1639 gval = WEP_ENABLED;
1640 break;
1641 case WLAN_CIPHER_SUITE_TKIP:
1642 gval = TKIP_ENABLED;
1643 break;
1644 case WLAN_CIPHER_SUITE_CCMP:
1645 gval = AES_ENABLED;
1646 break;
1647 case WLAN_CIPHER_SUITE_AES_CMAC:
1648 gval = AES_ENABLED;
1649 break;
1650 default:
1651 brcmf_err("invalid cipher group (%d)\n",
1652 sme->crypto.cipher_group);
1653 return -EINVAL;
1654 }
1655 }
1656
1657 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
1658
1659
1660 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1661 sme->privacy)
1662 pval = AES_ENABLED;
1663
1664 wsec = pval | gval;
1665 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
1666 if (err) {
1667 brcmf_err("error (%d)\n", err);
1668 return err;
1669 }
1670
1671 sec = &profile->sec;
1672 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1673 sec->cipher_group = sme->crypto.cipher_group;
1674
1675 return err;
1676}
1677
1678static s32
1679brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1680{
1681 struct brcmf_if *ifp = netdev_priv(ndev);
1682 s32 val;
1683 s32 err;
1684 const struct brcmf_tlv *rsn_ie;
1685 const u8 *ie;
1686 u32 ie_len;
1687 u32 offset;
1688 u16 rsn_cap;
1689 u32 mfp;
1690 u16 count;
1691
1692 if (!sme->crypto.n_akm_suites)
1693 return 0;
1694
1695 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), "wpa_auth", &val);
1696 if (err) {
1697 brcmf_err("could not get wpa_auth (%d)\n", err);
1698 return err;
1699 }
1700 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1701 switch (sme->crypto.akm_suites[0]) {
1702 case WLAN_AKM_SUITE_8021X:
1703 val = WPA_AUTH_UNSPECIFIED;
1704 break;
1705 case WLAN_AKM_SUITE_PSK:
1706 val = WPA_AUTH_PSK;
1707 break;
1708 default:
1709 brcmf_err("invalid cipher group (%d)\n",
1710 sme->crypto.cipher_group);
1711 return -EINVAL;
1712 }
1713 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1714 switch (sme->crypto.akm_suites[0]) {
1715 case WLAN_AKM_SUITE_8021X:
1716 val = WPA2_AUTH_UNSPECIFIED;
1717 break;
1718 case WLAN_AKM_SUITE_8021X_SHA256:
1719 val = WPA2_AUTH_1X_SHA256;
1720 break;
1721 case WLAN_AKM_SUITE_PSK_SHA256:
1722 val = WPA2_AUTH_PSK_SHA256;
1723 break;
1724 case WLAN_AKM_SUITE_PSK:
1725 val = WPA2_AUTH_PSK;
1726 break;
1727 default:
1728 brcmf_err("invalid cipher group (%d)\n",
1729 sme->crypto.cipher_group);
1730 return -EINVAL;
1731 }
1732 }
1733
1734 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
1735 goto skip_mfp_config;
1736
1737
1738
1739 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, sme->ie_len,
1740 WLAN_EID_RSN);
1741 if (!rsn_ie)
1742 goto skip_mfp_config;
1743 ie = (const u8 *)rsn_ie;
1744 ie_len = rsn_ie->len + TLV_HDR_LEN;
1745
1746 offset = TLV_HDR_LEN + WPA_IE_VERSION_LEN + WPA_IE_MIN_OUI_LEN;
1747 if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len)
1748 goto skip_mfp_config;
1749
1750 count = ie[offset] + (ie[offset + 1] << 8);
1751 offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN);
1752 if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len)
1753 goto skip_mfp_config;
1754
1755 count = ie[offset] + (ie[offset + 1] << 8);
1756 offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN);
1757 if (offset + WPA_IE_SUITE_COUNT_LEN > ie_len)
1758 goto skip_mfp_config;
1759
1760 mfp = BRCMF_MFP_NONE;
1761 rsn_cap = ie[offset] + (ie[offset + 1] << 8);
1762 if (rsn_cap & RSN_CAP_MFPR_MASK)
1763 mfp = BRCMF_MFP_REQUIRED;
1764 else if (rsn_cap & RSN_CAP_MFPC_MASK)
1765 mfp = BRCMF_MFP_CAPABLE;
1766 brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "mfp", mfp);
1767
1768skip_mfp_config:
1769 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
1770 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
1771 if (err) {
1772 brcmf_err("could not set wpa_auth (%d)\n", err);
1773 return err;
1774 }
1775
1776 return err;
1777}
1778
1779static s32
1780brcmf_set_sharedkey(struct net_device *ndev,
1781 struct cfg80211_connect_params *sme)
1782{
1783 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1784 struct brcmf_cfg80211_security *sec;
1785 struct brcmf_wsec_key key;
1786 s32 val;
1787 s32 err = 0;
1788
1789 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
1790
1791 if (sme->key_len == 0)
1792 return 0;
1793
1794 sec = &profile->sec;
1795 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1796 sec->wpa_versions, sec->cipher_pairwise);
1797
1798 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1799 return 0;
1800
1801 if (!(sec->cipher_pairwise &
1802 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1803 return 0;
1804
1805 memset(&key, 0, sizeof(key));
1806 key.len = (u32) sme->key_len;
1807 key.index = (u32) sme->key_idx;
1808 if (key.len > sizeof(key.data)) {
1809 brcmf_err("Too long key length (%u)\n", key.len);
1810 return -EINVAL;
1811 }
1812 memcpy(key.data, sme->key, key.len);
1813 key.flags = BRCMF_PRIMARY_KEY;
1814 switch (sec->cipher_pairwise) {
1815 case WLAN_CIPHER_SUITE_WEP40:
1816 key.algo = CRYPTO_ALGO_WEP1;
1817 break;
1818 case WLAN_CIPHER_SUITE_WEP104:
1819 key.algo = CRYPTO_ALGO_WEP128;
1820 break;
1821 default:
1822 brcmf_err("Invalid algorithm (%d)\n",
1823 sme->crypto.ciphers_pairwise[0]);
1824 return -EINVAL;
1825 }
1826
1827 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1828 key.len, key.index, key.algo);
1829 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
1830 err = send_key_to_dongle(netdev_priv(ndev), &key);
1831 if (err)
1832 return err;
1833
1834 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
1835 brcmf_dbg(CONN, "set auth_type to shared key\n");
1836 val = WL_AUTH_SHARED_KEY;
1837 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1838 if (err)
1839 brcmf_err("set auth failed (%d)\n", err);
1840 }
1841 return err;
1842}
1843
1844static
1845enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1846 enum nl80211_auth_type type)
1847{
1848 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1849 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1850 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1851 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1852 }
1853 return type;
1854}
1855
1856static void brcmf_set_join_pref(struct brcmf_if *ifp,
1857 struct cfg80211_bss_selection *bss_select)
1858{
1859 struct brcmf_join_pref_params join_pref_params[2];
1860 enum nl80211_band band;
1861 int err, i = 0;
1862
1863 join_pref_params[i].len = 2;
1864 join_pref_params[i].rssi_gain = 0;
1865
1866 if (bss_select->behaviour != NL80211_BSS_SELECT_ATTR_BAND_PREF)
1867 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_ASSOC_PREFER, WLC_BAND_AUTO);
1868
1869 switch (bss_select->behaviour) {
1870 case __NL80211_BSS_SELECT_ATTR_INVALID:
1871 brcmf_c_set_joinpref_default(ifp);
1872 return;
1873 case NL80211_BSS_SELECT_ATTR_BAND_PREF:
1874 join_pref_params[i].type = BRCMF_JOIN_PREF_BAND;
1875 band = bss_select->param.band_pref;
1876 join_pref_params[i].band = nl80211_band_to_fwil(band);
1877 i++;
1878 break;
1879 case NL80211_BSS_SELECT_ATTR_RSSI_ADJUST:
1880 join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI_DELTA;
1881 band = bss_select->param.adjust.band;
1882 join_pref_params[i].band = nl80211_band_to_fwil(band);
1883 join_pref_params[i].rssi_gain = bss_select->param.adjust.delta;
1884 i++;
1885 break;
1886 case NL80211_BSS_SELECT_ATTR_RSSI:
1887 default:
1888 break;
1889 }
1890 join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI;
1891 join_pref_params[i].len = 2;
1892 join_pref_params[i].rssi_gain = 0;
1893 join_pref_params[i].band = 0;
1894 err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
1895 sizeof(join_pref_params));
1896 if (err)
1897 brcmf_err("Set join_pref error (%d)\n", err);
1898}
1899
1900static s32
1901brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
1902 struct cfg80211_connect_params *sme)
1903{
1904 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1905 struct brcmf_if *ifp = netdev_priv(ndev);
1906 struct ieee80211_channel *chan = sme->channel;
1907 struct brcmf_join_params join_params;
1908 size_t join_params_size;
1909 const struct brcmf_tlv *rsn_ie;
1910 const struct brcmf_vs_tlv *wpa_ie;
1911 const void *ie;
1912 u32 ie_len;
1913 struct brcmf_ext_join_params_le *ext_join_params;
1914 u16 chanspec;
1915 s32 err = 0;
1916 u32 ssid_len;
1917
1918 brcmf_dbg(TRACE, "Enter\n");
1919 if (!check_vif_up(ifp->vif))
1920 return -EIO;
1921
1922 if (!sme->ssid) {
1923 brcmf_err("Invalid ssid\n");
1924 return -EOPNOTSUPP;
1925 }
1926
1927 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1928
1929 ie = NULL;
1930 ie_len = 0;
1931
1932 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1933 if (wpa_ie) {
1934 ie = wpa_ie;
1935 ie_len = wpa_ie->len + TLV_HDR_LEN;
1936 } else {
1937
1938 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1939 sme->ie_len,
1940 WLAN_EID_RSN);
1941 if (rsn_ie) {
1942 ie = rsn_ie;
1943 ie_len = rsn_ie->len + TLV_HDR_LEN;
1944 }
1945 }
1946 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1947 }
1948
1949 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1950 sme->ie, sme->ie_len);
1951 if (err)
1952 brcmf_err("Set Assoc REQ IE Failed\n");
1953 else
1954 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1955
1956 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1957
1958 if (chan) {
1959 cfg->channel =
1960 ieee80211_frequency_to_channel(chan->center_freq);
1961 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1962 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1963 cfg->channel, chan->center_freq, chanspec);
1964 } else {
1965 cfg->channel = 0;
1966 chanspec = 0;
1967 }
1968
1969 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
1970
1971 err = brcmf_set_wpa_version(ndev, sme);
1972 if (err) {
1973 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
1974 goto done;
1975 }
1976
1977 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
1978 err = brcmf_set_auth_type(ndev, sme);
1979 if (err) {
1980 brcmf_err("wl_set_auth_type failed (%d)\n", err);
1981 goto done;
1982 }
1983
1984 err = brcmf_set_wsec_mode(ndev, sme);
1985 if (err) {
1986 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
1987 goto done;
1988 }
1989
1990 err = brcmf_set_key_mgmt(ndev, sme);
1991 if (err) {
1992 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
1993 goto done;
1994 }
1995
1996 err = brcmf_set_sharedkey(ndev, sme);
1997 if (err) {
1998 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
1999 goto done;
2000 }
2001
2002
2003
2004
2005 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
2006 offsetof(struct brcmf_assoc_params_le, chanspec_list);
2007 if (cfg->channel)
2008 join_params_size += sizeof(u16);
2009 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
2010 if (ext_join_params == NULL) {
2011 err = -ENOMEM;
2012 goto done;
2013 }
2014 ssid_len = min_t(u32, sme->ssid_len, IEEE80211_MAX_SSID_LEN);
2015 ext_join_params->ssid_le.SSID_len = cpu_to_le32(ssid_len);
2016 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, ssid_len);
2017 if (ssid_len < IEEE80211_MAX_SSID_LEN)
2018 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n",
2019 ext_join_params->ssid_le.SSID, ssid_len);
2020
2021
2022 ext_join_params->scan_le.scan_type = -1;
2023 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
2024
2025 if (sme->bssid)
2026 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
2027 else
2028 eth_broadcast_addr(ext_join_params->assoc_le.bssid);
2029
2030 if (cfg->channel) {
2031 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
2032
2033 ext_join_params->assoc_le.chanspec_list[0] =
2034 cpu_to_le16(chanspec);
2035
2036
2037
2038
2039 ext_join_params->scan_le.active_time =
2040 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
2041 ext_join_params->scan_le.passive_time =
2042 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
2043
2044
2045
2046
2047 ext_join_params->scan_le.nprobes =
2048 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
2049 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
2050 } else {
2051 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
2052 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
2053 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
2054 }
2055
2056 brcmf_set_join_pref(ifp, &sme->bss_select);
2057
2058 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
2059 join_params_size);
2060 kfree(ext_join_params);
2061 if (!err)
2062
2063 goto done;
2064
2065
2066 memset(&join_params, 0, sizeof(join_params));
2067 join_params_size = sizeof(join_params.ssid_le);
2068
2069 memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid_len);
2070 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len);
2071
2072 if (sme->bssid)
2073 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
2074 else
2075 eth_broadcast_addr(join_params.params_le.bssid);
2076
2077 if (cfg->channel) {
2078 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
2079 join_params.params_le.chanspec_num = cpu_to_le32(1);
2080 join_params_size += sizeof(join_params.params_le);
2081 }
2082 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
2083 &join_params, join_params_size);
2084 if (err)
2085 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
2086
2087done:
2088 if (err)
2089 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
2090 brcmf_dbg(TRACE, "Exit\n");
2091 return err;
2092}
2093
2094static s32
2095brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
2096 u16 reason_code)
2097{
2098 struct brcmf_if *ifp = netdev_priv(ndev);
2099 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2100 struct brcmf_scb_val_le scbval;
2101 s32 err = 0;
2102
2103 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
2104 if (!check_vif_up(ifp->vif))
2105 return -EIO;
2106
2107 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
2108 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
2109 cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL);
2110
2111 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
2112 scbval.val = cpu_to_le32(reason_code);
2113 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
2114 &scbval, sizeof(scbval));
2115 if (err)
2116 brcmf_err("error (%d)\n", err);
2117
2118 brcmf_dbg(TRACE, "Exit\n");
2119 return err;
2120}
2121
2122static s32
2123brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
2124 enum nl80211_tx_power_setting type, s32 mbm)
2125{
2126 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2127 struct net_device *ndev = cfg_to_ndev(cfg);
2128 struct brcmf_if *ifp = netdev_priv(ndev);
2129 s32 err;
2130 s32 disable;
2131 u32 qdbm = 127;
2132
2133 brcmf_dbg(TRACE, "Enter %d %d\n", type, mbm);
2134 if (!check_vif_up(ifp->vif))
2135 return -EIO;
2136
2137 switch (type) {
2138 case NL80211_TX_POWER_AUTOMATIC:
2139 break;
2140 case NL80211_TX_POWER_LIMITED:
2141 case NL80211_TX_POWER_FIXED:
2142 if (mbm < 0) {
2143 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
2144 err = -EINVAL;
2145 goto done;
2146 }
2147 qdbm = MBM_TO_DBM(4 * mbm);
2148 if (qdbm > 127)
2149 qdbm = 127;
2150 qdbm |= WL_TXPWR_OVERRIDE;
2151 break;
2152 default:
2153 brcmf_err("Unsupported type %d\n", type);
2154 err = -EINVAL;
2155 goto done;
2156 }
2157
2158 disable = WL_RADIO_SW_DISABLE << 16;
2159 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
2160 if (err)
2161 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
2162
2163 err = brcmf_fil_iovar_int_set(ifp, "qtxpower", qdbm);
2164 if (err)
2165 brcmf_err("qtxpower error (%d)\n", err);
2166
2167done:
2168 brcmf_dbg(TRACE, "Exit %d (qdbm)\n", qdbm & ~WL_TXPWR_OVERRIDE);
2169 return err;
2170}
2171
2172static s32
2173brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
2174 s32 *dbm)
2175{
2176 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2177 struct net_device *ndev = cfg_to_ndev(cfg);
2178 struct brcmf_if *ifp = netdev_priv(ndev);
2179 s32 qdbm = 0;
2180 s32 err;
2181
2182 brcmf_dbg(TRACE, "Enter\n");
2183 if (!check_vif_up(ifp->vif))
2184 return -EIO;
2185
2186 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &qdbm);
2187 if (err) {
2188 brcmf_err("error (%d)\n", err);
2189 goto done;
2190 }
2191 *dbm = (qdbm & ~WL_TXPWR_OVERRIDE) / 4;
2192
2193done:
2194 brcmf_dbg(TRACE, "Exit (0x%x %d)\n", qdbm, *dbm);
2195 return err;
2196}
2197
2198static s32
2199brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
2200 u8 key_idx, bool unicast, bool multicast)
2201{
2202 struct brcmf_if *ifp = netdev_priv(ndev);
2203 u32 index;
2204 u32 wsec;
2205 s32 err = 0;
2206
2207 brcmf_dbg(TRACE, "Enter\n");
2208 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2209 if (!check_vif_up(ifp->vif))
2210 return -EIO;
2211
2212 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2213 if (err) {
2214 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
2215 goto done;
2216 }
2217
2218 if (wsec & WEP_ENABLED) {
2219
2220 index = key_idx;
2221 err = brcmf_fil_cmd_int_set(ifp,
2222 BRCMF_C_SET_KEY_PRIMARY, index);
2223 if (err)
2224 brcmf_err("error (%d)\n", err);
2225 }
2226done:
2227 brcmf_dbg(TRACE, "Exit\n");
2228 return err;
2229}
2230
2231static s32
2232brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2233 u8 key_idx, bool pairwise, const u8 *mac_addr)
2234{
2235 struct brcmf_if *ifp = netdev_priv(ndev);
2236 struct brcmf_wsec_key *key;
2237 s32 err;
2238
2239 brcmf_dbg(TRACE, "Enter\n");
2240 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2241
2242 if (!check_vif_up(ifp->vif))
2243 return -EIO;
2244
2245 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2246
2247 return -EINVAL;
2248 }
2249
2250 key = &ifp->vif->profile.key[key_idx];
2251
2252 if (key->algo == CRYPTO_ALGO_OFF) {
2253 brcmf_dbg(CONN, "Ignore clearing of (never configured) key\n");
2254 return -EINVAL;
2255 }
2256
2257 memset(key, 0, sizeof(*key));
2258 key->index = (u32)key_idx;
2259 key->flags = BRCMF_PRIMARY_KEY;
2260
2261
2262 err = send_key_to_dongle(ifp, key);
2263
2264 brcmf_dbg(TRACE, "Exit\n");
2265 return err;
2266}
2267
2268static s32
2269brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2270 u8 key_idx, bool pairwise, const u8 *mac_addr,
2271 struct key_params *params)
2272{
2273 struct brcmf_if *ifp = netdev_priv(ndev);
2274 struct brcmf_wsec_key *key;
2275 s32 val;
2276 s32 wsec;
2277 s32 err;
2278 u8 keybuf[8];
2279 bool ext_key;
2280
2281 brcmf_dbg(TRACE, "Enter\n");
2282 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2283 if (!check_vif_up(ifp->vif))
2284 return -EIO;
2285
2286 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2287
2288 brcmf_err("invalid key index (%d)\n", key_idx);
2289 return -EINVAL;
2290 }
2291
2292 if (params->key_len == 0)
2293 return brcmf_cfg80211_del_key(wiphy, ndev, key_idx, pairwise,
2294 mac_addr);
2295
2296 if (params->key_len > sizeof(key->data)) {
2297 brcmf_err("Too long key length (%u)\n", params->key_len);
2298 return -EINVAL;
2299 }
2300
2301 ext_key = false;
2302 if (mac_addr && (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2303 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
2304 brcmf_dbg(TRACE, "Ext key, mac %pM", mac_addr);
2305 ext_key = true;
2306 }
2307
2308 key = &ifp->vif->profile.key[key_idx];
2309 memset(key, 0, sizeof(*key));
2310 if ((ext_key) && (!is_multicast_ether_addr(mac_addr)))
2311 memcpy((char *)&key->ea, (void *)mac_addr, ETH_ALEN);
2312 key->len = params->key_len;
2313 key->index = key_idx;
2314 memcpy(key->data, params->key, key->len);
2315 if (!ext_key)
2316 key->flags = BRCMF_PRIMARY_KEY;
2317
2318 switch (params->cipher) {
2319 case WLAN_CIPHER_SUITE_WEP40:
2320 key->algo = CRYPTO_ALGO_WEP1;
2321 val = WEP_ENABLED;
2322 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2323 break;
2324 case WLAN_CIPHER_SUITE_WEP104:
2325 key->algo = CRYPTO_ALGO_WEP128;
2326 val = WEP_ENABLED;
2327 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2328 break;
2329 case WLAN_CIPHER_SUITE_TKIP:
2330 if (!brcmf_is_apmode(ifp->vif)) {
2331 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
2332 memcpy(keybuf, &key->data[24], sizeof(keybuf));
2333 memcpy(&key->data[24], &key->data[16], sizeof(keybuf));
2334 memcpy(&key->data[16], keybuf, sizeof(keybuf));
2335 }
2336 key->algo = CRYPTO_ALGO_TKIP;
2337 val = TKIP_ENABLED;
2338 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2339 break;
2340 case WLAN_CIPHER_SUITE_AES_CMAC:
2341 key->algo = CRYPTO_ALGO_AES_CCM;
2342 val = AES_ENABLED;
2343 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2344 break;
2345 case WLAN_CIPHER_SUITE_CCMP:
2346 key->algo = CRYPTO_ALGO_AES_CCM;
2347 val = AES_ENABLED;
2348 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
2349 break;
2350 default:
2351 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
2352 err = -EINVAL;
2353 goto done;
2354 }
2355
2356 err = send_key_to_dongle(ifp, key);
2357 if (ext_key || err)
2358 goto done;
2359
2360 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2361 if (err) {
2362 brcmf_err("get wsec error (%d)\n", err);
2363 goto done;
2364 }
2365 wsec |= val;
2366 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2367 if (err) {
2368 brcmf_err("set wsec error (%d)\n", err);
2369 goto done;
2370 }
2371
2372done:
2373 brcmf_dbg(TRACE, "Exit\n");
2374 return err;
2375}
2376
2377static s32
2378brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx,
2379 bool pairwise, const u8 *mac_addr, void *cookie,
2380 void (*callback)(void *cookie,
2381 struct key_params *params))
2382{
2383 struct key_params params;
2384 struct brcmf_if *ifp = netdev_priv(ndev);
2385 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2386 struct brcmf_cfg80211_security *sec;
2387 s32 wsec;
2388 s32 err = 0;
2389
2390 brcmf_dbg(TRACE, "Enter\n");
2391 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2392 if (!check_vif_up(ifp->vif))
2393 return -EIO;
2394
2395 memset(¶ms, 0, sizeof(params));
2396
2397 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2398 if (err) {
2399 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
2400
2401 err = -EAGAIN;
2402 goto done;
2403 }
2404 if (wsec & WEP_ENABLED) {
2405 sec = &profile->sec;
2406 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2407 params.cipher = WLAN_CIPHER_SUITE_WEP40;
2408 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2409 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2410 params.cipher = WLAN_CIPHER_SUITE_WEP104;
2411 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2412 }
2413 } else if (wsec & TKIP_ENABLED) {
2414 params.cipher = WLAN_CIPHER_SUITE_TKIP;
2415 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2416 } else if (wsec & AES_ENABLED) {
2417 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
2418 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2419 } else {
2420 brcmf_err("Invalid algo (0x%x)\n", wsec);
2421 err = -EINVAL;
2422 goto done;
2423 }
2424 callback(cookie, ¶ms);
2425
2426done:
2427 brcmf_dbg(TRACE, "Exit\n");
2428 return err;
2429}
2430
2431static s32
2432brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2433 struct net_device *ndev, u8 key_idx)
2434{
2435 struct brcmf_if *ifp = netdev_priv(ndev);
2436
2437 brcmf_dbg(TRACE, "Enter key_idx %d\n", key_idx);
2438
2439 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
2440 return 0;
2441
2442 brcmf_dbg(INFO, "Not supported\n");
2443
2444 return -EOPNOTSUPP;
2445}
2446
2447static void
2448brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp)
2449{
2450 s32 err;
2451 u8 key_idx;
2452 struct brcmf_wsec_key *key;
2453 s32 wsec;
2454
2455 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) {
2456 key = &ifp->vif->profile.key[key_idx];
2457 if ((key->algo == CRYPTO_ALGO_WEP1) ||
2458 (key->algo == CRYPTO_ALGO_WEP128))
2459 break;
2460 }
2461 if (key_idx == BRCMF_MAX_DEFAULT_KEYS)
2462 return;
2463
2464 err = send_key_to_dongle(ifp, key);
2465 if (err) {
2466 brcmf_err("Setting WEP key failed (%d)\n", err);
2467 return;
2468 }
2469 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2470 if (err) {
2471 brcmf_err("get wsec error (%d)\n", err);
2472 return;
2473 }
2474 wsec |= WEP_ENABLED;
2475 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2476 if (err)
2477 brcmf_err("set wsec error (%d)\n", err);
2478}
2479
2480static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si)
2481{
2482 struct nl80211_sta_flag_update *sfu;
2483
2484 brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags);
2485 si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS);
2486 sfu = &si->sta_flags;
2487 sfu->mask = BIT(NL80211_STA_FLAG_WME) |
2488 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2489 BIT(NL80211_STA_FLAG_ASSOCIATED) |
2490 BIT(NL80211_STA_FLAG_AUTHORIZED);
2491 if (fw_sta_flags & BRCMF_STA_WME)
2492 sfu->set |= BIT(NL80211_STA_FLAG_WME);
2493 if (fw_sta_flags & BRCMF_STA_AUTHE)
2494 sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
2495 if (fw_sta_flags & BRCMF_STA_ASSOC)
2496 sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2497 if (fw_sta_flags & BRCMF_STA_AUTHO)
2498 sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
2499}
2500
2501static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si)
2502{
2503 struct {
2504 __le32 len;
2505 struct brcmf_bss_info_le bss_le;
2506 } *buf;
2507 u16 capability;
2508 int err;
2509
2510 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2511 if (!buf)
2512 return;
2513
2514 buf->len = cpu_to_le32(WL_BSS_INFO_MAX);
2515 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf,
2516 WL_BSS_INFO_MAX);
2517 if (err) {
2518 brcmf_err("Failed to get bss info (%d)\n", err);
2519 goto out_kfree;
2520 }
2521 si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
2522 si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period);
2523 si->bss_param.dtim_period = buf->bss_le.dtim_period;
2524 capability = le16_to_cpu(buf->bss_le.capability);
2525 if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT)
2526 si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
2527 if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
2528 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
2529 if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
2530 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
2531
2532out_kfree:
2533 kfree(buf);
2534}
2535
2536static s32
2537brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp,
2538 struct station_info *sinfo)
2539{
2540 struct brcmf_scb_val_le scbval;
2541 struct brcmf_pktcnt_le pktcnt;
2542 s32 err;
2543 u32 rate;
2544 u32 rssi;
2545
2546
2547 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
2548 if (err < 0) {
2549 brcmf_err("BRCMF_C_GET_RATE error (%d)\n", err);
2550 return err;
2551 }
2552 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
2553 sinfo->txrate.legacy = rate * 5;
2554
2555 memset(&scbval, 0, sizeof(scbval));
2556 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, &scbval,
2557 sizeof(scbval));
2558 if (err) {
2559 brcmf_err("BRCMF_C_GET_RSSI error (%d)\n", err);
2560 return err;
2561 }
2562 rssi = le32_to_cpu(scbval.val);
2563 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2564 sinfo->signal = rssi;
2565
2566 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_GET_PKTCNTS, &pktcnt,
2567 sizeof(pktcnt));
2568 if (err) {
2569 brcmf_err("BRCMF_C_GET_GET_PKTCNTS error (%d)\n", err);
2570 return err;
2571 }
2572 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS) |
2573 BIT(NL80211_STA_INFO_RX_DROP_MISC) |
2574 BIT(NL80211_STA_INFO_TX_PACKETS) |
2575 BIT(NL80211_STA_INFO_TX_FAILED);
2576 sinfo->rx_packets = le32_to_cpu(pktcnt.rx_good_pkt);
2577 sinfo->rx_dropped_misc = le32_to_cpu(pktcnt.rx_bad_pkt);
2578 sinfo->tx_packets = le32_to_cpu(pktcnt.tx_good_pkt);
2579 sinfo->tx_failed = le32_to_cpu(pktcnt.tx_bad_pkt);
2580
2581 return 0;
2582}
2583
2584static s32
2585brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
2586 const u8 *mac, struct station_info *sinfo)
2587{
2588 struct brcmf_if *ifp = netdev_priv(ndev);
2589 struct brcmf_scb_val_le scb_val;
2590 s32 err = 0;
2591 struct brcmf_sta_info_le sta_info_le;
2592 u32 sta_flags;
2593 u32 is_tdls_peer;
2594 s32 total_rssi;
2595 s32 count_rssi;
2596 int rssi;
2597 u32 i;
2598
2599 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
2600 if (!check_vif_up(ifp->vif))
2601 return -EIO;
2602
2603 if (brcmf_is_ibssmode(ifp->vif))
2604 return brcmf_cfg80211_get_station_ibss(ifp, sinfo);
2605
2606 memset(&sta_info_le, 0, sizeof(sta_info_le));
2607 memcpy(&sta_info_le, mac, ETH_ALEN);
2608 err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info",
2609 &sta_info_le,
2610 sizeof(sta_info_le));
2611 is_tdls_peer = !err;
2612 if (err) {
2613 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
2614 &sta_info_le,
2615 sizeof(sta_info_le));
2616 if (err < 0) {
2617 brcmf_err("GET STA INFO failed, %d\n", err);
2618 goto done;
2619 }
2620 }
2621 brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver));
2622 sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME);
2623 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2624 sta_flags = le32_to_cpu(sta_info_le.flags);
2625 brcmf_convert_sta_flags(sta_flags, sinfo);
2626 sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2627 if (is_tdls_peer)
2628 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2629 else
2630 sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
2631 if (sta_flags & BRCMF_STA_ASSOC) {
2632 sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME);
2633 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
2634 brcmf_fill_bss_param(ifp, sinfo);
2635 }
2636 if (sta_flags & BRCMF_STA_SCBSTATS) {
2637 sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED);
2638 sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures);
2639 sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
2640 sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts);
2641 sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts);
2642 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
2643 sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts);
2644 sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts);
2645 if (sinfo->tx_packets) {
2646 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
2647 sinfo->txrate.legacy =
2648 le32_to_cpu(sta_info_le.tx_rate) / 100;
2649 }
2650 if (sinfo->rx_packets) {
2651 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
2652 sinfo->rxrate.legacy =
2653 le32_to_cpu(sta_info_le.rx_rate) / 100;
2654 }
2655 if (le16_to_cpu(sta_info_le.ver) >= 4) {
2656 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES);
2657 sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes);
2658 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES);
2659 sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes);
2660 }
2661 total_rssi = 0;
2662 count_rssi = 0;
2663 for (i = 0; i < BRCMF_ANT_MAX; i++) {
2664 if (sta_info_le.rssi[i]) {
2665 sinfo->chain_signal_avg[count_rssi] =
2666 sta_info_le.rssi[i];
2667 sinfo->chain_signal[count_rssi] =
2668 sta_info_le.rssi[i];
2669 total_rssi += sta_info_le.rssi[i];
2670 count_rssi++;
2671 }
2672 }
2673 if (count_rssi) {
2674 sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL);
2675 sinfo->chains = count_rssi;
2676
2677 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2678 total_rssi /= count_rssi;
2679 sinfo->signal = total_rssi;
2680 } else if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2681 &ifp->vif->sme_state)) {
2682 memset(&scb_val, 0, sizeof(scb_val));
2683 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2684 &scb_val, sizeof(scb_val));
2685 if (err) {
2686 brcmf_err("Could not get rssi (%d)\n", err);
2687 goto done;
2688 } else {
2689 rssi = le32_to_cpu(scb_val.val);
2690 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2691 sinfo->signal = rssi;
2692 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
2693 }
2694 }
2695 }
2696done:
2697 brcmf_dbg(TRACE, "Exit\n");
2698 return err;
2699}
2700
2701static int
2702brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev,
2703 int idx, u8 *mac, struct station_info *sinfo)
2704{
2705 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2706 struct brcmf_if *ifp = netdev_priv(ndev);
2707 s32 err;
2708
2709 brcmf_dbg(TRACE, "Enter, idx %d\n", idx);
2710
2711 if (idx == 0) {
2712 cfg->assoclist.count = cpu_to_le32(BRCMF_MAX_ASSOCLIST);
2713 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_ASSOCLIST,
2714 &cfg->assoclist,
2715 sizeof(cfg->assoclist));
2716 if (err) {
2717 brcmf_err("BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n",
2718 err);
2719 cfg->assoclist.count = 0;
2720 return -EOPNOTSUPP;
2721 }
2722 }
2723 if (idx < le32_to_cpu(cfg->assoclist.count)) {
2724 memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN);
2725 return brcmf_cfg80211_get_station(wiphy, ndev, mac, sinfo);
2726 }
2727 return -ENOENT;
2728}
2729
2730static s32
2731brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2732 bool enabled, s32 timeout)
2733{
2734 s32 pm;
2735 s32 err = 0;
2736 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2737 struct brcmf_if *ifp = netdev_priv(ndev);
2738
2739 brcmf_dbg(TRACE, "Enter\n");
2740
2741
2742
2743
2744
2745
2746
2747
2748 cfg->pwr_save = enabled;
2749 if (!check_vif_up(ifp->vif)) {
2750
2751 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
2752 goto done;
2753 }
2754
2755 pm = enabled ? PM_FAST : PM_OFF;
2756
2757 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2758 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2759 pm = PM_OFF;
2760 }
2761 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
2762
2763 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
2764 if (err) {
2765 if (err == -ENODEV)
2766 brcmf_err("net_device is not ready yet\n");
2767 else
2768 brcmf_err("error (%d)\n", err);
2769 }
2770done:
2771 brcmf_dbg(TRACE, "Exit\n");
2772 return err;
2773}
2774
2775static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
2776 struct brcmf_bss_info_le *bi)
2777{
2778 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2779 struct ieee80211_channel *notify_channel;
2780 struct cfg80211_bss *bss;
2781 struct ieee80211_supported_band *band;
2782 struct brcmu_chan ch;
2783 u16 channel;
2784 u32 freq;
2785 u16 notify_capability;
2786 u16 notify_interval;
2787 u8 *notify_ie;
2788 size_t notify_ielen;
2789 s32 notify_signal;
2790
2791 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
2792 brcmf_err("Bss info is larger than buffer. Discarding\n");
2793 return 0;
2794 }
2795
2796 if (!bi->ctl_ch) {
2797 ch.chspec = le16_to_cpu(bi->chanspec);
2798 cfg->d11inf.decchspec(&ch);
2799 bi->ctl_ch = ch.control_ch_num;
2800 }
2801 channel = bi->ctl_ch;
2802
2803 if (channel <= CH_MAX_2G_CHANNEL)
2804 band = wiphy->bands[NL80211_BAND_2GHZ];
2805 else
2806 band = wiphy->bands[NL80211_BAND_5GHZ];
2807
2808 freq = ieee80211_channel_to_frequency(channel, band->band);
2809 notify_channel = ieee80211_get_channel(wiphy, freq);
2810
2811 notify_capability = le16_to_cpu(bi->capability);
2812 notify_interval = le16_to_cpu(bi->beacon_period);
2813 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2814 notify_ielen = le32_to_cpu(bi->ie_length);
2815 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2816
2817 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2818 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2819 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2820 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2821 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
2822
2823 bss = cfg80211_inform_bss(wiphy, notify_channel,
2824 CFG80211_BSS_FTYPE_UNKNOWN,
2825 (const u8 *)bi->BSSID,
2826 0, notify_capability,
2827 notify_interval, notify_ie,
2828 notify_ielen, notify_signal,
2829 GFP_KERNEL);
2830
2831 if (!bss)
2832 return -ENOMEM;
2833
2834 cfg80211_put_bss(wiphy, bss);
2835
2836 return 0;
2837}
2838
2839static struct brcmf_bss_info_le *
2840next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2841{
2842 if (bss == NULL)
2843 return list->bss_info_le;
2844 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2845 le32_to_cpu(bss->length));
2846}
2847
2848static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
2849{
2850 struct brcmf_scan_results *bss_list;
2851 struct brcmf_bss_info_le *bi = NULL;
2852 s32 err = 0;
2853 int i;
2854
2855 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
2856 if (bss_list->count != 0 &&
2857 bss_list->version != BRCMF_BSS_INFO_VERSION) {
2858 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2859 bss_list->version);
2860 return -EOPNOTSUPP;
2861 }
2862 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
2863 for (i = 0; i < bss_list->count; i++) {
2864 bi = next_bss_le(bss_list, bi);
2865 err = brcmf_inform_single_bss(cfg, bi);
2866 if (err)
2867 break;
2868 }
2869 return err;
2870}
2871
2872static s32 brcmf_inform_ibss(struct brcmf_cfg80211_info *cfg,
2873 struct net_device *ndev, const u8 *bssid)
2874{
2875 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2876 struct ieee80211_channel *notify_channel;
2877 struct brcmf_bss_info_le *bi = NULL;
2878 struct ieee80211_supported_band *band;
2879 struct cfg80211_bss *bss;
2880 struct brcmu_chan ch;
2881 u8 *buf = NULL;
2882 s32 err = 0;
2883 u32 freq;
2884 u16 notify_capability;
2885 u16 notify_interval;
2886 u8 *notify_ie;
2887 size_t notify_ielen;
2888 s32 notify_signal;
2889
2890 brcmf_dbg(TRACE, "Enter\n");
2891
2892 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2893 if (buf == NULL) {
2894 err = -ENOMEM;
2895 goto CleanUp;
2896 }
2897
2898 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2899
2900 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2901 buf, WL_BSS_INFO_MAX);
2902 if (err) {
2903 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
2904 goto CleanUp;
2905 }
2906
2907 bi = (struct brcmf_bss_info_le *)(buf + 4);
2908
2909 ch.chspec = le16_to_cpu(bi->chanspec);
2910 cfg->d11inf.decchspec(&ch);
2911
2912 if (ch.band == BRCMU_CHAN_BAND_2G)
2913 band = wiphy->bands[NL80211_BAND_2GHZ];
2914 else
2915 band = wiphy->bands[NL80211_BAND_5GHZ];
2916
2917 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band->band);
2918 cfg->channel = freq;
2919 notify_channel = ieee80211_get_channel(wiphy, freq);
2920
2921 notify_capability = le16_to_cpu(bi->capability);
2922 notify_interval = le16_to_cpu(bi->beacon_period);
2923 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2924 notify_ielen = le32_to_cpu(bi->ie_length);
2925 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2926
2927 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.control_ch_num, freq);
2928 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2929 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2930 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
2931
2932 bss = cfg80211_inform_bss(wiphy, notify_channel,
2933 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2934 notify_capability, notify_interval,
2935 notify_ie, notify_ielen, notify_signal,
2936 GFP_KERNEL);
2937
2938 if (!bss) {
2939 err = -ENOMEM;
2940 goto CleanUp;
2941 }
2942
2943 cfg80211_put_bss(wiphy, bss);
2944
2945CleanUp:
2946
2947 kfree(buf);
2948
2949 brcmf_dbg(TRACE, "Exit\n");
2950
2951 return err;
2952}
2953
2954static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2955 struct brcmf_if *ifp)
2956{
2957 struct brcmf_bss_info_le *bi;
2958 const struct brcmf_tlv *tim;
2959 u16 beacon_interval;
2960 u8 dtim_period;
2961 size_t ie_len;
2962 u8 *ie;
2963 s32 err = 0;
2964
2965 brcmf_dbg(TRACE, "Enter\n");
2966 if (brcmf_is_ibssmode(ifp->vif))
2967 return err;
2968
2969 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
2970 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
2971 cfg->extra_buf, WL_EXTRA_BUF_MAX);
2972 if (err) {
2973 brcmf_err("Could not get bss info %d\n", err);
2974 goto update_bss_info_out;
2975 }
2976
2977 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2978 err = brcmf_inform_single_bss(cfg, bi);
2979 if (err)
2980 goto update_bss_info_out;
2981
2982 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2983 ie_len = le32_to_cpu(bi->ie_length);
2984 beacon_interval = le16_to_cpu(bi->beacon_period);
2985
2986 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
2987 if (tim)
2988 dtim_period = tim->data[1];
2989 else {
2990
2991
2992
2993
2994
2995 u32 var;
2996 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
2997 if (err) {
2998 brcmf_err("wl dtim_assoc failed (%d)\n", err);
2999 goto update_bss_info_out;
3000 }
3001 dtim_period = (u8)var;
3002 }
3003
3004update_bss_info_out:
3005 brcmf_dbg(TRACE, "Exit");
3006 return err;
3007}
3008
3009void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
3010{
3011 struct escan_info *escan = &cfg->escan_info;
3012
3013 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
3014 if (cfg->internal_escan || cfg->scan_request) {
3015 escan->escan_state = WL_ESCAN_STATE_IDLE;
3016 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
3017 }
3018 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3019 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
3020}
3021
3022static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
3023{
3024 struct brcmf_cfg80211_info *cfg =
3025 container_of(work, struct brcmf_cfg80211_info,
3026 escan_timeout_work);
3027
3028 brcmf_inform_bss(cfg);
3029 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
3030}
3031
3032static void brcmf_escan_timeout(unsigned long data)
3033{
3034 struct brcmf_cfg80211_info *cfg =
3035 (struct brcmf_cfg80211_info *)data;
3036
3037 if (cfg->internal_escan || cfg->scan_request) {
3038 brcmf_err("timer expired\n");
3039 schedule_work(&cfg->escan_timeout_work);
3040 }
3041}
3042
3043static s32
3044brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
3045 struct brcmf_bss_info_le *bss,
3046 struct brcmf_bss_info_le *bss_info_le)
3047{
3048 struct brcmu_chan ch_bss, ch_bss_info_le;
3049
3050 ch_bss.chspec = le16_to_cpu(bss->chanspec);
3051 cfg->d11inf.decchspec(&ch_bss);
3052 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
3053 cfg->d11inf.decchspec(&ch_bss_info_le);
3054
3055 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
3056 ch_bss.band == ch_bss_info_le.band &&
3057 bss_info_le->SSID_len == bss->SSID_len &&
3058 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
3059 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
3060 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
3061 s16 bss_rssi = le16_to_cpu(bss->RSSI);
3062 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
3063
3064
3065
3066
3067 if (bss_info_rssi > bss_rssi)
3068 bss->RSSI = bss_info_le->RSSI;
3069 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
3070 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
3071
3072
3073
3074 bss->RSSI = bss_info_le->RSSI;
3075 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
3076 }
3077 return 1;
3078 }
3079 return 0;
3080}
3081
3082static s32
3083brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
3084 const struct brcmf_event_msg *e, void *data)
3085{
3086 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3087 s32 status;
3088 struct brcmf_escan_result_le *escan_result_le;
3089 struct brcmf_bss_info_le *bss_info_le;
3090 struct brcmf_bss_info_le *bss = NULL;
3091 u32 bi_length;
3092 struct brcmf_scan_results *list;
3093 u32 i;
3094 bool aborted;
3095
3096 status = e->status;
3097
3098 if (status == BRCMF_E_STATUS_ABORT)
3099 goto exit;
3100
3101 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3102 brcmf_err("scan not ready, bsscfgidx=%d\n", ifp->bsscfgidx);
3103 return -EPERM;
3104 }
3105
3106 if (status == BRCMF_E_STATUS_PARTIAL) {
3107 brcmf_dbg(SCAN, "ESCAN Partial result\n");
3108 escan_result_le = (struct brcmf_escan_result_le *) data;
3109 if (!escan_result_le) {
3110 brcmf_err("Invalid escan result (NULL pointer)\n");
3111 goto exit;
3112 }
3113 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
3114 brcmf_err("Invalid bss_count %d: ignoring\n",
3115 escan_result_le->bss_count);
3116 goto exit;
3117 }
3118 bss_info_le = &escan_result_le->bss_info_le;
3119
3120 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
3121 goto exit;
3122
3123 if (!cfg->internal_escan && !cfg->scan_request) {
3124 brcmf_dbg(SCAN, "result without cfg80211 request\n");
3125 goto exit;
3126 }
3127
3128 bi_length = le32_to_cpu(bss_info_le->length);
3129 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
3130 WL_ESCAN_RESULTS_FIXED_SIZE)) {
3131 brcmf_err("Invalid bss_info length %d: ignoring\n",
3132 bi_length);
3133 goto exit;
3134 }
3135
3136 if (!(cfg_to_wiphy(cfg)->interface_modes &
3137 BIT(NL80211_IFTYPE_ADHOC))) {
3138 if (le16_to_cpu(bss_info_le->capability) &
3139 WLAN_CAPABILITY_IBSS) {
3140 brcmf_err("Ignoring IBSS result\n");
3141 goto exit;
3142 }
3143 }
3144
3145 list = (struct brcmf_scan_results *)
3146 cfg->escan_info.escan_buf;
3147 if (bi_length > BRCMF_ESCAN_BUF_SIZE - list->buflen) {
3148 brcmf_err("Buffer is too small: ignoring\n");
3149 goto exit;
3150 }
3151
3152 for (i = 0; i < list->count; i++) {
3153 bss = bss ? (struct brcmf_bss_info_le *)
3154 ((unsigned char *)bss +
3155 le32_to_cpu(bss->length)) : list->bss_info_le;
3156 if (brcmf_compare_update_same_bss(cfg, bss,
3157 bss_info_le))
3158 goto exit;
3159 }
3160 memcpy(&cfg->escan_info.escan_buf[list->buflen], bss_info_le,
3161 bi_length);
3162 list->version = le32_to_cpu(bss_info_le->version);
3163 list->buflen += bi_length;
3164 list->count++;
3165 } else {
3166 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
3167 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
3168 goto exit;
3169 if (cfg->internal_escan || cfg->scan_request) {
3170 brcmf_inform_bss(cfg);
3171 aborted = status != BRCMF_E_STATUS_SUCCESS;
3172 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
3173 } else
3174 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
3175 status);
3176 }
3177exit:
3178 return 0;
3179}
3180
3181static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
3182{
3183 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
3184 brcmf_cfg80211_escan_handler);
3185 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
3186
3187 init_timer(&cfg->escan_timeout);
3188 cfg->escan_timeout.data = (unsigned long) cfg;
3189 cfg->escan_timeout.function = brcmf_escan_timeout;
3190 INIT_WORK(&cfg->escan_timeout_work,
3191 brcmf_cfg80211_escan_timeout_worker);
3192}
3193
3194static struct cfg80211_scan_request *
3195brcmf_alloc_internal_escan_request(struct wiphy *wiphy, u32 n_netinfo) {
3196 struct cfg80211_scan_request *req;
3197 size_t req_size;
3198
3199 req_size = sizeof(*req) +
3200 n_netinfo * sizeof(req->channels[0]) +
3201 n_netinfo * sizeof(*req->ssids);
3202
3203 req = kzalloc(req_size, GFP_KERNEL);
3204 if (req) {
3205 req->wiphy = wiphy;
3206 req->ssids = (void *)(&req->channels[0]) +
3207 n_netinfo * sizeof(req->channels[0]);
3208 }
3209 return req;
3210}
3211
3212static int brcmf_internal_escan_add_info(struct cfg80211_scan_request *req,
3213 u8 *ssid, u8 ssid_len, u8 channel)
3214{
3215 struct ieee80211_channel *chan;
3216 enum nl80211_band band;
3217 int freq, i;
3218
3219 if (channel <= CH_MAX_2G_CHANNEL)
3220 band = NL80211_BAND_2GHZ;
3221 else
3222 band = NL80211_BAND_5GHZ;
3223
3224 freq = ieee80211_channel_to_frequency(channel, band);
3225 if (!freq)
3226 return -EINVAL;
3227
3228 chan = ieee80211_get_channel(req->wiphy, freq);
3229 if (!chan)
3230 return -EINVAL;
3231
3232 for (i = 0; i < req->n_channels; i++) {
3233 if (req->channels[i] == chan)
3234 break;
3235 }
3236 if (i == req->n_channels)
3237 req->channels[req->n_channels++] = chan;
3238
3239 for (i = 0; i < req->n_ssids; i++) {
3240 if (req->ssids[i].ssid_len == ssid_len &&
3241 !memcmp(req->ssids[i].ssid, ssid, ssid_len))
3242 break;
3243 }
3244 if (i == req->n_ssids) {
3245 memcpy(req->ssids[req->n_ssids].ssid, ssid, ssid_len);
3246 req->ssids[req->n_ssids++].ssid_len = ssid_len;
3247 }
3248 return 0;
3249}
3250
3251static int brcmf_start_internal_escan(struct brcmf_if *ifp,
3252 struct cfg80211_scan_request *request)
3253{
3254 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3255 int err;
3256
3257 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3258
3259 brcmf_abort_scanning(cfg);
3260 }
3261
3262 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3263 cfg->escan_info.run = brcmf_run_escan;
3264 err = brcmf_do_escan(ifp, request);
3265 if (err) {
3266 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3267 return err;
3268 }
3269 cfg->internal_escan = true;
3270 return 0;
3271}
3272
3273static struct brcmf_pno_net_info_le *
3274brcmf_get_netinfo_array(struct brcmf_pno_scanresults_le *pfn_v1)
3275{
3276 struct brcmf_pno_scanresults_v2_le *pfn_v2;
3277 struct brcmf_pno_net_info_le *netinfo;
3278
3279 switch (pfn_v1->version) {
3280 default:
3281 WARN_ON(1);
3282
3283 case cpu_to_le32(1):
3284 netinfo = (struct brcmf_pno_net_info_le *)(pfn_v1 + 1);
3285 break;
3286 case cpu_to_le32(2):
3287 pfn_v2 = (struct brcmf_pno_scanresults_v2_le *)pfn_v1;
3288 netinfo = (struct brcmf_pno_net_info_le *)(pfn_v2 + 1);
3289 break;
3290 }
3291
3292 return netinfo;
3293}
3294
3295
3296
3297
3298
3299
3300
3301static s32
3302brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
3303 const struct brcmf_event_msg *e, void *data)
3304{
3305 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3306 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3307 struct cfg80211_scan_request *request = NULL;
3308 struct wiphy *wiphy = cfg_to_wiphy(cfg);
3309 int i, err = 0;
3310 struct brcmf_pno_scanresults_le *pfn_result;
3311 u32 result_count;
3312 u32 status;
3313 u32 datalen;
3314
3315 brcmf_dbg(SCAN, "Enter\n");
3316
3317 if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) {
3318 brcmf_dbg(SCAN, "Event data to small. Ignore\n");
3319 return 0;
3320 }
3321
3322 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
3323 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
3324 return 0;
3325 }
3326
3327 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3328 result_count = le32_to_cpu(pfn_result->count);
3329 status = le32_to_cpu(pfn_result->status);
3330
3331
3332
3333
3334 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
3335 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
3336 if (!result_count) {
3337 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
3338 goto out_err;
3339 }
3340
3341 netinfo_start = brcmf_get_netinfo_array(pfn_result);
3342 datalen = e->datalen - ((void *)netinfo_start - (void *)pfn_result);
3343 if (datalen < result_count * sizeof(*netinfo)) {
3344 brcmf_err("insufficient event data\n");
3345 goto out_err;
3346 }
3347
3348 request = brcmf_alloc_internal_escan_request(wiphy,
3349 result_count);
3350 if (!request) {
3351 err = -ENOMEM;
3352 goto out_err;
3353 }
3354
3355 for (i = 0; i < result_count; i++) {
3356 netinfo = &netinfo_start[i];
3357
3358 if (netinfo->SSID_len > IEEE80211_MAX_SSID_LEN)
3359 netinfo->SSID_len = IEEE80211_MAX_SSID_LEN;
3360 brcmf_dbg(SCAN, "SSID:%.32s Channel:%d\n",
3361 netinfo->SSID, netinfo->channel);
3362 err = brcmf_internal_escan_add_info(request,
3363 netinfo->SSID,
3364 netinfo->SSID_len,
3365 netinfo->channel);
3366 if (err)
3367 goto out_err;
3368 }
3369
3370 err = brcmf_start_internal_escan(ifp, request);
3371 if (!err)
3372 goto free_req;
3373
3374out_err:
3375 cfg80211_sched_scan_stopped(wiphy, 0);
3376free_req:
3377 kfree(request);
3378 return err;
3379}
3380
3381static int
3382brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3383 struct net_device *ndev,
3384 struct cfg80211_sched_scan_request *req)
3385{
3386 struct brcmf_if *ifp = netdev_priv(ndev);
3387 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
3388
3389 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
3390 req->n_match_sets, req->n_ssids);
3391
3392 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3393 brcmf_err("Scanning suppressed: status (%lu)\n",
3394 cfg->scan_status);
3395 return -EAGAIN;
3396 }
3397
3398 if (req->n_match_sets <= 0) {
3399 brcmf_dbg(SCAN, "invalid number of matchsets specified: %d\n",
3400 req->n_match_sets);
3401 return -EINVAL;
3402 }
3403
3404 return brcmf_pno_start_sched_scan(ifp, req);
3405}
3406
3407static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3408 struct net_device *ndev, u64 reqid)
3409{
3410 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3411 struct brcmf_if *ifp = netdev_priv(ndev);
3412
3413 brcmf_dbg(SCAN, "enter\n");
3414 brcmf_pno_clean(ifp);
3415 if (cfg->internal_escan)
3416 brcmf_notify_escan_complete(cfg, ifp, true, true);
3417 return 0;
3418}
3419
3420static __always_inline void brcmf_delay(u32 ms)
3421{
3422 if (ms < 1000 / HZ) {
3423 cond_resched();
3424 mdelay(ms);
3425 } else {
3426 msleep(ms);
3427 }
3428}
3429
3430static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
3431 u8 *pattern, u32 patternsize, u8 *mask,
3432 u32 packet_offset)
3433{
3434 struct brcmf_fil_wowl_pattern_le *filter;
3435 u32 masksize;
3436 u32 patternoffset;
3437 u8 *buf;
3438 u32 bufsize;
3439 s32 ret;
3440
3441 masksize = (patternsize + 7) / 8;
3442 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
3443
3444 bufsize = sizeof(*filter) + patternsize + masksize;
3445 buf = kzalloc(bufsize, GFP_KERNEL);
3446 if (!buf)
3447 return -ENOMEM;
3448 filter = (struct brcmf_fil_wowl_pattern_le *)buf;
3449
3450 memcpy(filter->cmd, cmd, 4);
3451 filter->masksize = cpu_to_le32(masksize);
3452 filter->offset = cpu_to_le32(packet_offset);
3453 filter->patternoffset = cpu_to_le32(patternoffset);
3454 filter->patternsize = cpu_to_le32(patternsize);
3455 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
3456
3457 if ((mask) && (masksize))
3458 memcpy(buf + sizeof(*filter), mask, masksize);
3459 if ((pattern) && (patternsize))
3460 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
3461
3462 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
3463
3464 kfree(buf);
3465 return ret;
3466}
3467
3468static s32
3469brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e,
3470 void *data)
3471{
3472 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3473 struct brcmf_pno_scanresults_le *pfn_result;
3474 struct brcmf_pno_net_info_le *netinfo;
3475
3476 brcmf_dbg(SCAN, "Enter\n");
3477
3478 if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) {
3479 brcmf_dbg(SCAN, "Event data to small. Ignore\n");
3480 return 0;
3481 }
3482
3483 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3484
3485 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
3486 brcmf_dbg(SCAN, "PFN NET LOST event. Ignore\n");
3487 return 0;
3488 }
3489
3490 if (le32_to_cpu(pfn_result->count) < 1) {
3491 brcmf_err("Invalid result count, expected 1 (%d)\n",
3492 le32_to_cpu(pfn_result->count));
3493 return -EINVAL;
3494 }
3495
3496 netinfo = brcmf_get_netinfo_array(pfn_result);
3497 memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len);
3498 cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len;
3499 cfg->wowl.nd->n_channels = 1;
3500 cfg->wowl.nd->channels[0] =
3501 ieee80211_channel_to_frequency(netinfo->channel,
3502 netinfo->channel <= CH_MAX_2G_CHANNEL ?
3503 NL80211_BAND_2GHZ : NL80211_BAND_5GHZ);
3504 cfg->wowl.nd_info->n_matches = 1;
3505 cfg->wowl.nd_info->matches[0] = cfg->wowl.nd;
3506
3507
3508 cfg->wowl.nd_data_completed = true;
3509 wake_up(&cfg->wowl.nd_data_wait);
3510
3511 return 0;
3512}
3513
3514#ifdef CONFIG_PM
3515
3516static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp)
3517{
3518 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3519 struct brcmf_wowl_wakeind_le wake_ind_le;
3520 struct cfg80211_wowlan_wakeup wakeup_data;
3521 struct cfg80211_wowlan_wakeup *wakeup;
3522 u32 wakeind;
3523 s32 err;
3524 int timeout;
3525
3526 err = brcmf_fil_iovar_data_get(ifp, "wowl_wakeind", &wake_ind_le,
3527 sizeof(wake_ind_le));
3528 if (err) {
3529 brcmf_err("Get wowl_wakeind failed, err = %d\n", err);
3530 return;
3531 }
3532
3533 wakeind = le32_to_cpu(wake_ind_le.ucode_wakeind);
3534 if (wakeind & (BRCMF_WOWL_MAGIC | BRCMF_WOWL_DIS | BRCMF_WOWL_BCN |
3535 BRCMF_WOWL_RETR | BRCMF_WOWL_NET |
3536 BRCMF_WOWL_PFN_FOUND)) {
3537 wakeup = &wakeup_data;
3538 memset(&wakeup_data, 0, sizeof(wakeup_data));
3539 wakeup_data.pattern_idx = -1;
3540
3541 if (wakeind & BRCMF_WOWL_MAGIC) {
3542 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_MAGIC\n");
3543 wakeup_data.magic_pkt = true;
3544 }
3545 if (wakeind & BRCMF_WOWL_DIS) {
3546 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_DIS\n");
3547 wakeup_data.disconnect = true;
3548 }
3549 if (wakeind & BRCMF_WOWL_BCN) {
3550 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_BCN\n");
3551 wakeup_data.disconnect = true;
3552 }
3553 if (wakeind & BRCMF_WOWL_RETR) {
3554 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_RETR\n");
3555 wakeup_data.disconnect = true;
3556 }
3557 if (wakeind & BRCMF_WOWL_NET) {
3558 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_NET\n");
3559
3560
3561
3562 wakeup_data.pattern_idx = 0;
3563 }
3564 if (wakeind & BRCMF_WOWL_PFN_FOUND) {
3565 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_PFN_FOUND\n");
3566 timeout = wait_event_timeout(cfg->wowl.nd_data_wait,
3567 cfg->wowl.nd_data_completed,
3568 BRCMF_ND_INFO_TIMEOUT);
3569 if (!timeout)
3570 brcmf_err("No result for wowl net detect\n");
3571 else
3572 wakeup_data.net_detect = cfg->wowl.nd_info;
3573 }
3574 if (wakeind & BRCMF_WOWL_GTK_FAILURE) {
3575 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_GTK_FAILURE\n");
3576 wakeup_data.gtk_rekey_failure = true;
3577 }
3578 } else {
3579 wakeup = NULL;
3580 }
3581 cfg80211_report_wowlan_wakeup(&ifp->vif->wdev, wakeup, GFP_KERNEL);
3582}
3583
3584#else
3585
3586static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp)
3587{
3588}
3589
3590#endif
3591
3592static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
3593{
3594 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3595 struct net_device *ndev = cfg_to_ndev(cfg);
3596 struct brcmf_if *ifp = netdev_priv(ndev);
3597
3598 brcmf_dbg(TRACE, "Enter\n");
3599
3600 if (cfg->wowl.active) {
3601 brcmf_report_wowl_wakeind(wiphy, ifp);
3602 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
3603 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
3604 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
3605 brcmf_configure_arp_nd_offload(ifp, true);
3606 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
3607 cfg->wowl.pre_pmmode);
3608 cfg->wowl.active = false;
3609 if (cfg->wowl.nd_enabled) {
3610 brcmf_cfg80211_sched_scan_stop(cfg->wiphy, ifp->ndev, 0);
3611 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
3612 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
3613 brcmf_notify_sched_scan_results);
3614 cfg->wowl.nd_enabled = false;
3615 }
3616 }
3617 return 0;
3618}
3619
3620static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
3621 struct brcmf_if *ifp,
3622 struct cfg80211_wowlan *wowl)
3623{
3624 u32 wowl_config;
3625 struct brcmf_wowl_wakeind_le wowl_wakeind;
3626 u32 i;
3627
3628 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
3629
3630 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
3631 brcmf_configure_arp_nd_offload(ifp, false);
3632 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode);
3633 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
3634
3635 wowl_config = 0;
3636 if (wowl->disconnect)
3637 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
3638 if (wowl->magic_pkt)
3639 wowl_config |= BRCMF_WOWL_MAGIC;
3640 if ((wowl->patterns) && (wowl->n_patterns)) {
3641 wowl_config |= BRCMF_WOWL_NET;
3642 for (i = 0; i < wowl->n_patterns; i++) {
3643 brcmf_config_wowl_pattern(ifp, "add",
3644 (u8 *)wowl->patterns[i].pattern,
3645 wowl->patterns[i].pattern_len,
3646 (u8 *)wowl->patterns[i].mask,
3647 wowl->patterns[i].pkt_offset);
3648 }
3649 }
3650 if (wowl->nd_config) {
3651 brcmf_cfg80211_sched_scan_start(cfg->wiphy, ifp->ndev,
3652 wowl->nd_config);
3653 wowl_config |= BRCMF_WOWL_PFN_FOUND;
3654
3655 cfg->wowl.nd_data_completed = false;
3656 cfg->wowl.nd_enabled = true;
3657
3658 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
3659 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
3660 brcmf_wowl_nd_results);
3661 }
3662 if (wowl->gtk_rekey_failure)
3663 wowl_config |= BRCMF_WOWL_GTK_FAILURE;
3664 if (!test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
3665 wowl_config |= BRCMF_WOWL_UNASSOC;
3666
3667 memcpy(&wowl_wakeind, "clear", 6);
3668 brcmf_fil_iovar_data_set(ifp, "wowl_wakeind", &wowl_wakeind,
3669 sizeof(wowl_wakeind));
3670 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
3671 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
3672 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
3673 cfg->wowl.active = true;
3674}
3675
3676static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
3677 struct cfg80211_wowlan *wowl)
3678{
3679 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3680 struct net_device *ndev = cfg_to_ndev(cfg);
3681 struct brcmf_if *ifp = netdev_priv(ndev);
3682 struct brcmf_cfg80211_vif *vif;
3683
3684 brcmf_dbg(TRACE, "Enter\n");
3685
3686
3687
3688
3689 if (!check_vif_up(ifp->vif))
3690 goto exit;
3691
3692
3693 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO))
3694 brcmf_cfg80211_sched_scan_stop(wiphy, ndev, 0);
3695
3696
3697 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
3698 brcmf_abort_scanning(cfg);
3699
3700 if (wowl == NULL) {
3701 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
3702 list_for_each_entry(vif, &cfg->vif_list, list) {
3703 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
3704 continue;
3705
3706
3707
3708
3709 brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED);
3710
3711
3712
3713
3714 brcmf_delay(500);
3715 }
3716
3717 brcmf_set_mpc(ifp, 1);
3718
3719 } else {
3720
3721 brcmf_configure_wowl(cfg, ifp, wowl);
3722 }
3723
3724exit:
3725 brcmf_dbg(TRACE, "Exit\n");
3726
3727 cfg->scan_status = 0;
3728 return 0;
3729}
3730
3731static __used s32
3732brcmf_update_pmklist(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp)
3733{
3734 struct brcmf_pmk_list_le *pmk_list;
3735 int i;
3736 u32 npmk;
3737 s32 err;
3738
3739 pmk_list = &cfg->pmk_list;
3740 npmk = le32_to_cpu(pmk_list->npmk);
3741
3742 brcmf_dbg(CONN, "No of elements %d\n", npmk);
3743 for (i = 0; i < npmk; i++)
3744 brcmf_dbg(CONN, "PMK[%d]: %pM\n", i, &pmk_list->pmk[i].bssid);
3745
3746 err = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_list,
3747 sizeof(*pmk_list));
3748
3749 return err;
3750}
3751
3752static s32
3753brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3754 struct cfg80211_pmksa *pmksa)
3755{
3756 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3757 struct brcmf_if *ifp = netdev_priv(ndev);
3758 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
3759 s32 err;
3760 u32 npmk, i;
3761
3762 brcmf_dbg(TRACE, "Enter\n");
3763 if (!check_vif_up(ifp->vif))
3764 return -EIO;
3765
3766 npmk = le32_to_cpu(cfg->pmk_list.npmk);
3767 for (i = 0; i < npmk; i++)
3768 if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN))
3769 break;
3770 if (i < BRCMF_MAXPMKID) {
3771 memcpy(pmk[i].bssid, pmksa->bssid, ETH_ALEN);
3772 memcpy(pmk[i].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
3773 if (i == npmk) {
3774 npmk++;
3775 cfg->pmk_list.npmk = cpu_to_le32(npmk);
3776 }
3777 } else {
3778 brcmf_err("Too many PMKSA entries cached %d\n", npmk);
3779 return -EINVAL;
3780 }
3781
3782 brcmf_dbg(CONN, "set_pmksa - PMK bssid: %pM =\n", pmk[npmk].bssid);
3783 for (i = 0; i < WLAN_PMKID_LEN; i += 4)
3784 brcmf_dbg(CONN, "%02x %02x %02x %02x\n", pmk[npmk].pmkid[i],
3785 pmk[npmk].pmkid[i + 1], pmk[npmk].pmkid[i + 2],
3786 pmk[npmk].pmkid[i + 3]);
3787
3788 err = brcmf_update_pmklist(cfg, ifp);
3789
3790 brcmf_dbg(TRACE, "Exit\n");
3791 return err;
3792}
3793
3794static s32
3795brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3796 struct cfg80211_pmksa *pmksa)
3797{
3798 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3799 struct brcmf_if *ifp = netdev_priv(ndev);
3800 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
3801 s32 err;
3802 u32 npmk, i;
3803
3804 brcmf_dbg(TRACE, "Enter\n");
3805 if (!check_vif_up(ifp->vif))
3806 return -EIO;
3807
3808 brcmf_dbg(CONN, "del_pmksa - PMK bssid = %pM\n", pmksa->bssid);
3809
3810 npmk = le32_to_cpu(cfg->pmk_list.npmk);
3811 for (i = 0; i < npmk; i++)
3812 if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN))
3813 break;
3814
3815 if ((npmk > 0) && (i < npmk)) {
3816 for (; i < (npmk - 1); i++) {
3817 memcpy(&pmk[i].bssid, &pmk[i + 1].bssid, ETH_ALEN);
3818 memcpy(&pmk[i].pmkid, &pmk[i + 1].pmkid,
3819 WLAN_PMKID_LEN);
3820 }
3821 memset(&pmk[i], 0, sizeof(*pmk));
3822 cfg->pmk_list.npmk = cpu_to_le32(npmk - 1);
3823 } else {
3824 brcmf_err("Cache entry not found\n");
3825 return -EINVAL;
3826 }
3827
3828 err = brcmf_update_pmklist(cfg, ifp);
3829
3830 brcmf_dbg(TRACE, "Exit\n");
3831 return err;
3832
3833}
3834
3835static s32
3836brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
3837{
3838 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3839 struct brcmf_if *ifp = netdev_priv(ndev);
3840 s32 err;
3841
3842 brcmf_dbg(TRACE, "Enter\n");
3843 if (!check_vif_up(ifp->vif))
3844 return -EIO;
3845
3846 memset(&cfg->pmk_list, 0, sizeof(cfg->pmk_list));
3847 err = brcmf_update_pmklist(cfg, ifp);
3848
3849 brcmf_dbg(TRACE, "Exit\n");
3850 return err;
3851
3852}
3853
3854static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
3855{
3856 s32 err;
3857
3858
3859 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
3860 if (err < 0) {
3861 brcmf_err("auth error %d\n", err);
3862 return err;
3863 }
3864
3865 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
3866 if (err < 0) {
3867 brcmf_err("wsec error %d\n", err);
3868 return err;
3869 }
3870
3871 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
3872 if (err < 0) {
3873 brcmf_err("wpa_auth error %d\n", err);
3874 return err;
3875 }
3876
3877 return 0;
3878}
3879
3880static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3881{
3882 if (is_rsn_ie)
3883 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3884
3885 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3886}
3887
3888static s32
3889brcmf_configure_wpaie(struct brcmf_if *ifp,
3890 const struct brcmf_vs_tlv *wpa_ie,
3891 bool is_rsn_ie)
3892{
3893 u32 auth = 0;
3894 u16 count;
3895 s32 err = 0;
3896 s32 len;
3897 u32 i;
3898 u32 wsec;
3899 u32 pval = 0;
3900 u32 gval = 0;
3901 u32 wpa_auth = 0;
3902 u32 offset;
3903 u8 *data;
3904 u16 rsn_cap;
3905 u32 wme_bss_disable;
3906 u32 mfp;
3907
3908 brcmf_dbg(TRACE, "Enter\n");
3909 if (wpa_ie == NULL)
3910 goto exit;
3911
3912 len = wpa_ie->len + TLV_HDR_LEN;
3913 data = (u8 *)wpa_ie;
3914 offset = TLV_HDR_LEN;
3915 if (!is_rsn_ie)
3916 offset += VS_IE_FIXED_HDR_LEN;
3917 else
3918 offset += WPA_IE_VERSION_LEN;
3919
3920
3921 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3922 err = -EINVAL;
3923 brcmf_err("no multicast cipher suite\n");
3924 goto exit;
3925 }
3926
3927 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3928 err = -EINVAL;
3929 brcmf_err("ivalid OUI\n");
3930 goto exit;
3931 }
3932 offset += TLV_OUI_LEN;
3933
3934
3935 switch (data[offset]) {
3936 case WPA_CIPHER_NONE:
3937 gval = 0;
3938 break;
3939 case WPA_CIPHER_WEP_40:
3940 case WPA_CIPHER_WEP_104:
3941 gval = WEP_ENABLED;
3942 break;
3943 case WPA_CIPHER_TKIP:
3944 gval = TKIP_ENABLED;
3945 break;
3946 case WPA_CIPHER_AES_CCM:
3947 gval = AES_ENABLED;
3948 break;
3949 default:
3950 err = -EINVAL;
3951 brcmf_err("Invalid multi cast cipher info\n");
3952 goto exit;
3953 }
3954
3955 offset++;
3956
3957 count = data[offset] + (data[offset + 1] << 8);
3958 offset += WPA_IE_SUITE_COUNT_LEN;
3959
3960 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3961 err = -EINVAL;
3962 brcmf_err("no unicast cipher suite\n");
3963 goto exit;
3964 }
3965 for (i = 0; i < count; i++) {
3966 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3967 err = -EINVAL;
3968 brcmf_err("ivalid OUI\n");
3969 goto exit;
3970 }
3971 offset += TLV_OUI_LEN;
3972 switch (data[offset]) {
3973 case WPA_CIPHER_NONE:
3974 break;
3975 case WPA_CIPHER_WEP_40:
3976 case WPA_CIPHER_WEP_104:
3977 pval |= WEP_ENABLED;
3978 break;
3979 case WPA_CIPHER_TKIP:
3980 pval |= TKIP_ENABLED;
3981 break;
3982 case WPA_CIPHER_AES_CCM:
3983 pval |= AES_ENABLED;
3984 break;
3985 default:
3986 brcmf_err("Invalid unicast security info\n");
3987 }
3988 offset++;
3989 }
3990
3991 count = data[offset] + (data[offset + 1] << 8);
3992 offset += WPA_IE_SUITE_COUNT_LEN;
3993
3994 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3995 err = -EINVAL;
3996 brcmf_err("no auth key mgmt suite\n");
3997 goto exit;
3998 }
3999 for (i = 0; i < count; i++) {
4000 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
4001 err = -EINVAL;
4002 brcmf_err("ivalid OUI\n");
4003 goto exit;
4004 }
4005 offset += TLV_OUI_LEN;
4006 switch (data[offset]) {
4007 case RSN_AKM_NONE:
4008 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
4009 wpa_auth |= WPA_AUTH_NONE;
4010 break;
4011 case RSN_AKM_UNSPECIFIED:
4012 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
4013 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
4014 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
4015 break;
4016 case RSN_AKM_PSK:
4017 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
4018 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
4019 (wpa_auth |= WPA_AUTH_PSK);
4020 break;
4021 case RSN_AKM_SHA256_PSK:
4022 brcmf_dbg(TRACE, "RSN_AKM_MFP_PSK\n");
4023 wpa_auth |= WPA2_AUTH_PSK_SHA256;
4024 break;
4025 case RSN_AKM_SHA256_1X:
4026 brcmf_dbg(TRACE, "RSN_AKM_MFP_1X\n");
4027 wpa_auth |= WPA2_AUTH_1X_SHA256;
4028 break;
4029 default:
4030 brcmf_err("Invalid key mgmt info\n");
4031 }
4032 offset++;
4033 }
4034
4035 mfp = BRCMF_MFP_NONE;
4036 if (is_rsn_ie) {
4037 wme_bss_disable = 1;
4038 if ((offset + RSN_CAP_LEN) <= len) {
4039 rsn_cap = data[offset] + (data[offset + 1] << 8);
4040 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
4041 wme_bss_disable = 0;
4042 if (rsn_cap & RSN_CAP_MFPR_MASK) {
4043 brcmf_dbg(TRACE, "MFP Required\n");
4044 mfp = BRCMF_MFP_REQUIRED;
4045
4046
4047
4048
4049 if (!(wpa_auth & (WPA2_AUTH_PSK_SHA256 |
4050 WPA2_AUTH_1X_SHA256))) {
4051 err = -EINVAL;
4052 goto exit;
4053 }
4054
4055
4056
4057
4058 if (wpa_auth & WPA2_AUTH_PSK_SHA256)
4059 wpa_auth |= WPA2_AUTH_PSK;
4060 else if (wpa_auth & WPA2_AUTH_1X_SHA256)
4061 wpa_auth |= WPA2_AUTH_UNSPECIFIED;
4062 } else if (rsn_cap & RSN_CAP_MFPC_MASK) {
4063 brcmf_dbg(TRACE, "MFP Capable\n");
4064 mfp = BRCMF_MFP_CAPABLE;
4065 }
4066 }
4067 offset += RSN_CAP_LEN;
4068
4069 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
4070 wme_bss_disable);
4071 if (err < 0) {
4072 brcmf_err("wme_bss_disable error %d\n", err);
4073 goto exit;
4074 }
4075
4076
4077 offset += RSN_PMKID_COUNT_LEN;
4078
4079
4080 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP) &&
4081 ((offset + WPA_IE_MIN_OUI_LEN) <= len)) {
4082 err = brcmf_fil_bsscfg_data_set(ifp, "bip",
4083 &data[offset],
4084 WPA_IE_MIN_OUI_LEN);
4085 if (err < 0) {
4086 brcmf_err("bip error %d\n", err);
4087 goto exit;
4088 }
4089 }
4090 }
4091
4092 wsec = (pval | gval | SES_OW_ENABLED);
4093
4094
4095 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
4096 if (err < 0) {
4097 brcmf_err("auth error %d\n", err);
4098 goto exit;
4099 }
4100
4101 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
4102 if (err < 0) {
4103 brcmf_err("wsec error %d\n", err);
4104 goto exit;
4105 }
4106
4107
4108
4109 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) {
4110 err = brcmf_fil_bsscfg_int_set(ifp, "mfp", mfp);
4111 if (err < 0) {
4112 brcmf_err("mfp error %d\n", err);
4113 goto exit;
4114 }
4115 }
4116
4117 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
4118 if (err < 0) {
4119 brcmf_err("wpa_auth error %d\n", err);
4120 goto exit;
4121 }
4122
4123exit:
4124 return err;
4125}
4126
4127static s32
4128brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
4129 struct parsed_vndr_ies *vndr_ies)
4130{
4131 struct brcmf_vs_tlv *vndrie;
4132 struct brcmf_tlv *ie;
4133 struct parsed_vndr_ie_info *parsed_info;
4134 s32 remaining_len;
4135
4136 remaining_len = (s32)vndr_ie_len;
4137 memset(vndr_ies, 0, sizeof(*vndr_ies));
4138
4139 ie = (struct brcmf_tlv *)vndr_ie_buf;
4140 while (ie) {
4141 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
4142 goto next;
4143 vndrie = (struct brcmf_vs_tlv *)ie;
4144
4145 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
4146 brcmf_err("invalid vndr ie. length is too small %d\n",
4147 vndrie->len);
4148 goto next;
4149 }
4150
4151 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
4152 ((vndrie->oui_type == WPA_OUI_TYPE) ||
4153 (vndrie->oui_type == WME_OUI_TYPE))) {
4154 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
4155 goto next;
4156 }
4157
4158 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
4159
4160
4161 parsed_info->ie_ptr = (char *)vndrie;
4162 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
4163 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
4164
4165 vndr_ies->count++;
4166
4167 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
4168 parsed_info->vndrie.oui[0],
4169 parsed_info->vndrie.oui[1],
4170 parsed_info->vndrie.oui[2],
4171 parsed_info->vndrie.oui_type);
4172
4173 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
4174 break;
4175next:
4176 remaining_len -= (ie->len + TLV_HDR_LEN);
4177 if (remaining_len <= TLV_HDR_LEN)
4178 ie = NULL;
4179 else
4180 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
4181 TLV_HDR_LEN);
4182 }
4183 return 0;
4184}
4185
4186static u32
4187brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
4188{
4189
4190 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
4191 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
4192
4193 put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]);
4194
4195 put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]);
4196
4197 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
4198
4199 return ie_len + VNDR_IE_HDR_SIZE;
4200}
4201
4202s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
4203 const u8 *vndr_ie_buf, u32 vndr_ie_len)
4204{
4205 struct brcmf_if *ifp;
4206 struct vif_saved_ie *saved_ie;
4207 s32 err = 0;
4208 u8 *iovar_ie_buf;
4209 u8 *curr_ie_buf;
4210 u8 *mgmt_ie_buf = NULL;
4211 int mgmt_ie_buf_len;
4212 u32 *mgmt_ie_len;
4213 u32 del_add_ie_buf_len = 0;
4214 u32 total_ie_buf_len = 0;
4215 u32 parsed_ie_buf_len = 0;
4216 struct parsed_vndr_ies old_vndr_ies;
4217 struct parsed_vndr_ies new_vndr_ies;
4218 struct parsed_vndr_ie_info *vndrie_info;
4219 s32 i;
4220 u8 *ptr;
4221 int remained_buf_len;
4222
4223 if (!vif)
4224 return -ENODEV;
4225 ifp = vif->ifp;
4226 saved_ie = &vif->saved_ie;
4227
4228 brcmf_dbg(TRACE, "bsscfgidx %d, pktflag : 0x%02X\n", ifp->bsscfgidx,
4229 pktflag);
4230 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4231 if (!iovar_ie_buf)
4232 return -ENOMEM;
4233 curr_ie_buf = iovar_ie_buf;
4234 switch (pktflag) {
4235 case BRCMF_VNDR_IE_PRBREQ_FLAG:
4236 mgmt_ie_buf = saved_ie->probe_req_ie;
4237 mgmt_ie_len = &saved_ie->probe_req_ie_len;
4238 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
4239 break;
4240 case BRCMF_VNDR_IE_PRBRSP_FLAG:
4241 mgmt_ie_buf = saved_ie->probe_res_ie;
4242 mgmt_ie_len = &saved_ie->probe_res_ie_len;
4243 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
4244 break;
4245 case BRCMF_VNDR_IE_BEACON_FLAG:
4246 mgmt_ie_buf = saved_ie->beacon_ie;
4247 mgmt_ie_len = &saved_ie->beacon_ie_len;
4248 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
4249 break;
4250 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
4251 mgmt_ie_buf = saved_ie->assoc_req_ie;
4252 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
4253 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
4254 break;
4255 default:
4256 err = -EPERM;
4257 brcmf_err("not suitable type\n");
4258 goto exit;
4259 }
4260
4261 if (vndr_ie_len > mgmt_ie_buf_len) {
4262 err = -ENOMEM;
4263 brcmf_err("extra IE size too big\n");
4264 goto exit;
4265 }
4266
4267
4268 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
4269 ptr = curr_ie_buf;
4270 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
4271 for (i = 0; i < new_vndr_ies.count; i++) {
4272 vndrie_info = &new_vndr_ies.ie_info[i];
4273 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
4274 vndrie_info->ie_len);
4275 parsed_ie_buf_len += vndrie_info->ie_len;
4276 }
4277 }
4278
4279 if (mgmt_ie_buf && *mgmt_ie_len) {
4280 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
4281 (memcmp(mgmt_ie_buf, curr_ie_buf,
4282 parsed_ie_buf_len) == 0)) {
4283 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
4284 goto exit;
4285 }
4286
4287
4288 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
4289
4290
4291 for (i = 0; i < old_vndr_ies.count; i++) {
4292 vndrie_info = &old_vndr_ies.ie_info[i];
4293
4294 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
4295 vndrie_info->vndrie.id,
4296 vndrie_info->vndrie.len,
4297 vndrie_info->vndrie.oui[0],
4298 vndrie_info->vndrie.oui[1],
4299 vndrie_info->vndrie.oui[2]);
4300
4301 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
4302 vndrie_info->ie_ptr,
4303 vndrie_info->ie_len,
4304 "del");
4305 curr_ie_buf += del_add_ie_buf_len;
4306 total_ie_buf_len += del_add_ie_buf_len;
4307 }
4308 }
4309
4310 *mgmt_ie_len = 0;
4311
4312 if (mgmt_ie_buf && parsed_ie_buf_len) {
4313 ptr = mgmt_ie_buf;
4314
4315 remained_buf_len = mgmt_ie_buf_len;
4316
4317
4318 for (i = 0; i < new_vndr_ies.count; i++) {
4319 vndrie_info = &new_vndr_ies.ie_info[i];
4320
4321
4322 if (remained_buf_len < (vndrie_info->vndrie.len +
4323 VNDR_IE_VSIE_OFFSET)) {
4324 brcmf_err("no space in mgmt_ie_buf: len left %d",
4325 remained_buf_len);
4326 break;
4327 }
4328 remained_buf_len -= (vndrie_info->ie_len +
4329 VNDR_IE_VSIE_OFFSET);
4330
4331 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
4332 vndrie_info->vndrie.id,
4333 vndrie_info->vndrie.len,
4334 vndrie_info->vndrie.oui[0],
4335 vndrie_info->vndrie.oui[1],
4336 vndrie_info->vndrie.oui[2]);
4337
4338 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
4339 vndrie_info->ie_ptr,
4340 vndrie_info->ie_len,
4341 "add");
4342
4343
4344 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
4345 vndrie_info->ie_len);
4346 *mgmt_ie_len += vndrie_info->ie_len;
4347
4348 curr_ie_buf += del_add_ie_buf_len;
4349 total_ie_buf_len += del_add_ie_buf_len;
4350 }
4351 }
4352 if (total_ie_buf_len) {
4353 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
4354 total_ie_buf_len);
4355 if (err)
4356 brcmf_err("vndr ie set error : %d\n", err);
4357 }
4358
4359exit:
4360 kfree(iovar_ie_buf);
4361 return err;
4362}
4363
4364s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
4365{
4366 s32 pktflags[] = {
4367 BRCMF_VNDR_IE_PRBREQ_FLAG,
4368 BRCMF_VNDR_IE_PRBRSP_FLAG,
4369 BRCMF_VNDR_IE_BEACON_FLAG
4370 };
4371 int i;
4372
4373 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
4374 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
4375
4376 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
4377 return 0;
4378}
4379
4380static s32
4381brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
4382 struct cfg80211_beacon_data *beacon)
4383{
4384 s32 err;
4385
4386
4387 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
4388 beacon->tail, beacon->tail_len);
4389 if (err) {
4390 brcmf_err("Set Beacon IE Failed\n");
4391 return err;
4392 }
4393 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
4394
4395
4396 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
4397 beacon->proberesp_ies,
4398 beacon->proberesp_ies_len);
4399 if (err)
4400 brcmf_err("Set Probe Resp IE Failed\n");
4401 else
4402 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
4403
4404 return err;
4405}
4406
4407static s32
4408brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
4409 struct cfg80211_ap_settings *settings)
4410{
4411 s32 ie_offset;
4412 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4413 struct brcmf_if *ifp = netdev_priv(ndev);
4414 const struct brcmf_tlv *ssid_ie;
4415 const struct brcmf_tlv *country_ie;
4416 struct brcmf_ssid_le ssid_le;
4417 s32 err = -EPERM;
4418 const struct brcmf_tlv *rsn_ie;
4419 const struct brcmf_vs_tlv *wpa_ie;
4420 struct brcmf_join_params join_params;
4421 enum nl80211_iftype dev_role;
4422 struct brcmf_fil_bss_enable_le bss_enable;
4423 u16 chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
4424 bool mbss;
4425 int is_11d;
4426 bool supports_11d;
4427
4428 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
4429 settings->chandef.chan->hw_value,
4430 settings->chandef.center_freq1, settings->chandef.width,
4431 settings->beacon_interval, settings->dtim_period);
4432 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
4433 settings->ssid, settings->ssid_len, settings->auth_type,
4434 settings->inactivity_timeout);
4435 dev_role = ifp->vif->wdev.iftype;
4436 mbss = ifp->vif->mbss;
4437
4438
4439 if (brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY,
4440 &ifp->vif->is_11d)) {
4441 is_11d = supports_11d = false;
4442 } else {
4443 country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4444 settings->beacon.tail_len,
4445 WLAN_EID_COUNTRY);
4446 is_11d = country_ie ? 1 : 0;
4447 supports_11d = true;
4448 }
4449
4450 memset(&ssid_le, 0, sizeof(ssid_le));
4451 if (settings->ssid == NULL || settings->ssid_len == 0) {
4452 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
4453 ssid_ie = brcmf_parse_tlvs(
4454 (u8 *)&settings->beacon.head[ie_offset],
4455 settings->beacon.head_len - ie_offset,
4456 WLAN_EID_SSID);
4457 if (!ssid_ie || ssid_ie->len > IEEE80211_MAX_SSID_LEN)
4458 return -EINVAL;
4459
4460 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
4461 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
4462 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
4463 } else {
4464 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
4465 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
4466 }
4467
4468 if (!mbss) {
4469 brcmf_set_mpc(ifp, 0);
4470 brcmf_configure_arp_nd_offload(ifp, false);
4471 }
4472
4473
4474 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4475 settings->beacon.tail_len, WLAN_EID_RSN);
4476
4477
4478 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
4479 settings->beacon.tail_len);
4480
4481 if ((wpa_ie != NULL || rsn_ie != NULL)) {
4482 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
4483 if (wpa_ie != NULL) {
4484
4485 err = brcmf_configure_wpaie(ifp, wpa_ie, false);
4486 if (err < 0)
4487 goto exit;
4488 } else {
4489 struct brcmf_vs_tlv *tmp_ie;
4490
4491 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
4492
4493
4494 err = brcmf_configure_wpaie(ifp, tmp_ie, true);
4495 if (err < 0)
4496 goto exit;
4497 }
4498 } else {
4499 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
4500 brcmf_configure_opensecurity(ifp);
4501 }
4502
4503
4504 if (!mbss) {
4505 if ((supports_11d) && (is_11d != ifp->vif->is_11d)) {
4506 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4507 is_11d);
4508 if (err < 0) {
4509 brcmf_err("Regulatory Set Error, %d\n", err);
4510 goto exit;
4511 }
4512 }
4513 if (settings->beacon_interval) {
4514 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
4515 settings->beacon_interval);
4516 if (err < 0) {
4517 brcmf_err("Beacon Interval Set Error, %d\n",
4518 err);
4519 goto exit;
4520 }
4521 }
4522 if (settings->dtim_period) {
4523 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
4524 settings->dtim_period);
4525 if (err < 0) {
4526 brcmf_err("DTIM Interval Set Error, %d\n", err);
4527 goto exit;
4528 }
4529 }
4530
4531 if ((dev_role == NL80211_IFTYPE_AP) &&
4532 ((ifp->ifidx == 0) ||
4533 !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) {
4534 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4535 if (err < 0) {
4536 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4537 goto exit;
4538 }
4539 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
4540 }
4541
4542 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
4543 if (err < 0) {
4544 brcmf_err("SET INFRA error %d\n", err);
4545 goto exit;
4546 }
4547 } else if (WARN_ON(supports_11d && (is_11d != ifp->vif->is_11d))) {
4548
4549 err = -EINVAL;
4550 goto exit;
4551 }
4552
4553
4554 if (dev_role == NL80211_IFTYPE_AP) {
4555 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
4556 brcmf_fil_iovar_int_set(ifp, "mbss", 1);
4557
4558 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
4559 if (err < 0) {
4560 brcmf_err("setting AP mode failed %d\n", err);
4561 goto exit;
4562 }
4563 if (!mbss) {
4564
4565
4566
4567 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
4568 if (err < 0) {
4569 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4570 chanspec, err);
4571 goto exit;
4572 }
4573 }
4574 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4575 if (err < 0) {
4576 brcmf_err("BRCMF_C_UP error (%d)\n", err);
4577 goto exit;
4578 }
4579
4580
4581
4582 brcmf_cfg80211_reconfigure_wep(ifp);
4583
4584 memset(&join_params, 0, sizeof(join_params));
4585
4586 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
4587
4588 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4589 &join_params, sizeof(join_params));
4590 if (err < 0) {
4591 brcmf_err("SET SSID error (%d)\n", err);
4592 goto exit;
4593 }
4594
4595 if (settings->hidden_ssid) {
4596 err = brcmf_fil_iovar_int_set(ifp, "closednet", 1);
4597 if (err) {
4598 brcmf_err("closednet error (%d)\n", err);
4599 goto exit;
4600 }
4601 }
4602
4603 brcmf_dbg(TRACE, "AP mode configuration complete\n");
4604 } else if (dev_role == NL80211_IFTYPE_P2P_GO) {
4605 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
4606 if (err < 0) {
4607 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4608 chanspec, err);
4609 goto exit;
4610 }
4611 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
4612 sizeof(ssid_le));
4613 if (err < 0) {
4614 brcmf_err("setting ssid failed %d\n", err);
4615 goto exit;
4616 }
4617 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx);
4618 bss_enable.enable = cpu_to_le32(1);
4619 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4620 sizeof(bss_enable));
4621 if (err < 0) {
4622 brcmf_err("bss_enable config failed %d\n", err);
4623 goto exit;
4624 }
4625
4626 brcmf_dbg(TRACE, "GO mode configuration complete\n");
4627 } else {
4628 WARN_ON(1);
4629 }
4630
4631 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
4632 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4633 brcmf_net_setcarrier(ifp, true);
4634
4635exit:
4636 if ((err) && (!mbss)) {
4637 brcmf_set_mpc(ifp, 1);
4638 brcmf_configure_arp_nd_offload(ifp, true);
4639 }
4640 return err;
4641}
4642
4643static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
4644{
4645 struct brcmf_if *ifp = netdev_priv(ndev);
4646 s32 err;
4647 struct brcmf_fil_bss_enable_le bss_enable;
4648 struct brcmf_join_params join_params;
4649
4650 brcmf_dbg(TRACE, "Enter\n");
4651
4652 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
4653
4654
4655 msleep(400);
4656
4657 if (ifp->vif->mbss) {
4658 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4659 return err;
4660 }
4661
4662
4663 if (ifp->bsscfgidx == 0)
4664 brcmf_fil_iovar_int_set(ifp, "closednet", 0);
4665
4666 memset(&join_params, 0, sizeof(join_params));
4667 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4668 &join_params, sizeof(join_params));
4669 if (err < 0)
4670 brcmf_err("SET SSID error (%d)\n", err);
4671 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4672 if (err < 0)
4673 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4674 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
4675 if (err < 0)
4676 brcmf_err("setting AP mode failed %d\n", err);
4677 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
4678 if (err < 0)
4679 brcmf_err("setting INFRA mode failed %d\n", err);
4680 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
4681 brcmf_fil_iovar_int_set(ifp, "mbss", 0);
4682 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4683 ifp->vif->is_11d);
4684
4685 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4686 if (err < 0)
4687 brcmf_err("BRCMF_C_UP error %d\n", err);
4688
4689 brcmf_vif_clear_mgmt_ies(ifp->vif);
4690 } else {
4691 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx);
4692 bss_enable.enable = cpu_to_le32(0);
4693 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4694 sizeof(bss_enable));
4695 if (err < 0)
4696 brcmf_err("bss_enable config failed %d\n", err);
4697 }
4698 brcmf_set_mpc(ifp, 1);
4699 brcmf_configure_arp_nd_offload(ifp, true);
4700 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4701 brcmf_net_setcarrier(ifp, false);
4702
4703 return err;
4704}
4705
4706static s32
4707brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
4708 struct cfg80211_beacon_data *info)
4709{
4710 struct brcmf_if *ifp = netdev_priv(ndev);
4711 s32 err;
4712
4713 brcmf_dbg(TRACE, "Enter\n");
4714
4715 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4716
4717 return err;
4718}
4719
4720static int
4721brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
4722 struct station_del_parameters *params)
4723{
4724 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4725 struct brcmf_scb_val_le scbval;
4726 struct brcmf_if *ifp = netdev_priv(ndev);
4727 s32 err;
4728
4729 if (!params->mac)
4730 return -EFAULT;
4731
4732 brcmf_dbg(TRACE, "Enter %pM\n", params->mac);
4733
4734 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4735 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
4736 if (!check_vif_up(ifp->vif))
4737 return -EIO;
4738
4739 memcpy(&scbval.ea, params->mac, ETH_ALEN);
4740 scbval.val = cpu_to_le32(params->reason_code);
4741 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
4742 &scbval, sizeof(scbval));
4743 if (err)
4744 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
4745
4746 brcmf_dbg(TRACE, "Exit\n");
4747 return err;
4748}
4749
4750static int
4751brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev,
4752 const u8 *mac, struct station_parameters *params)
4753{
4754 struct brcmf_if *ifp = netdev_priv(ndev);
4755 s32 err;
4756
4757 brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac,
4758 params->sta_flags_mask, params->sta_flags_set);
4759
4760
4761 if (is_zero_ether_addr(mac))
4762 return 0;
4763
4764 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4765 return 0;
4766
4767 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4768 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE,
4769 (void *)mac, ETH_ALEN);
4770 else
4771 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE,
4772 (void *)mac, ETH_ALEN);
4773 if (err < 0)
4774 brcmf_err("Setting SCB (de-)authorize failed, %d\n", err);
4775
4776 return err;
4777}
4778
4779static void
4780brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4781 struct wireless_dev *wdev,
4782 u16 frame_type, bool reg)
4783{
4784 struct brcmf_cfg80211_vif *vif;
4785 u16 mgmt_type;
4786
4787 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4788
4789 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
4790 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4791 if (reg)
4792 vif->mgmt_rx_reg |= BIT(mgmt_type);
4793 else
4794 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
4795}
4796
4797
4798static int
4799brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
4800 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
4801{
4802 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4803 struct ieee80211_channel *chan = params->chan;
4804 const u8 *buf = params->buf;
4805 size_t len = params->len;
4806 const struct ieee80211_mgmt *mgmt;
4807 struct brcmf_cfg80211_vif *vif;
4808 s32 err = 0;
4809 s32 ie_offset;
4810 s32 ie_len;
4811 struct brcmf_fil_action_frame_le *action_frame;
4812 struct brcmf_fil_af_params_le *af_params;
4813 bool ack;
4814 s32 chan_nr;
4815 u32 freq;
4816
4817 brcmf_dbg(TRACE, "Enter\n");
4818
4819 *cookie = 0;
4820
4821 mgmt = (const struct ieee80211_mgmt *)buf;
4822
4823 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4824 brcmf_err("Driver only allows MGMT packet type\n");
4825 return -EPERM;
4826 }
4827
4828 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4829
4830 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842 ie_offset = DOT11_MGMT_HDR_LEN +
4843 DOT11_BCN_PRB_FIXED_LEN;
4844 ie_len = len - ie_offset;
4845 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
4846 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4847 err = brcmf_vif_set_mgmt_ie(vif,
4848 BRCMF_VNDR_IE_PRBRSP_FLAG,
4849 &buf[ie_offset],
4850 ie_len);
4851 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4852 GFP_KERNEL);
4853 } else if (ieee80211_is_action(mgmt->frame_control)) {
4854 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4855 if (af_params == NULL) {
4856 brcmf_err("unable to allocate frame\n");
4857 err = -ENOMEM;
4858 goto exit;
4859 }
4860 action_frame = &af_params->action_frame;
4861
4862 action_frame->packet_id = cpu_to_le32(*cookie);
4863
4864 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4865 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4866
4867 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
4868
4869
4870
4871 if (chan)
4872 freq = chan->center_freq;
4873 else
4874 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4875 &freq);
4876 chan_nr = ieee80211_frequency_to_channel(freq);
4877 af_params->channel = cpu_to_le32(chan_nr);
4878
4879 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4880 le16_to_cpu(action_frame->len));
4881
4882 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
4883 *cookie, le16_to_cpu(action_frame->len), freq);
4884
4885 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
4886 af_params);
4887
4888 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4889 GFP_KERNEL);
4890 kfree(af_params);
4891 } else {
4892 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4893 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%zu\n", len);
4894 }
4895
4896exit:
4897 return err;
4898}
4899
4900
4901static int
4902brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4903 struct wireless_dev *wdev,
4904 u64 cookie)
4905{
4906 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4907 struct brcmf_cfg80211_vif *vif;
4908 int err = 0;
4909
4910 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4911
4912 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4913 if (vif == NULL) {
4914 brcmf_err("No p2p device available for probe response\n");
4915 err = -ENODEV;
4916 goto exit;
4917 }
4918 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4919exit:
4920 return err;
4921}
4922
4923static int brcmf_cfg80211_get_channel(struct wiphy *wiphy,
4924 struct wireless_dev *wdev,
4925 struct cfg80211_chan_def *chandef)
4926{
4927 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4928 struct net_device *ndev = wdev->netdev;
4929 struct brcmf_if *ifp;
4930 struct brcmu_chan ch;
4931 enum nl80211_band band = 0;
4932 enum nl80211_chan_width width = 0;
4933 u32 chanspec;
4934 int freq, err;
4935
4936 if (!ndev)
4937 return -ENODEV;
4938 ifp = netdev_priv(ndev);
4939
4940 err = brcmf_fil_iovar_int_get(ifp, "chanspec", &chanspec);
4941 if (err) {
4942 brcmf_err("chanspec failed (%d)\n", err);
4943 return err;
4944 }
4945
4946 ch.chspec = chanspec;
4947 cfg->d11inf.decchspec(&ch);
4948
4949 switch (ch.band) {
4950 case BRCMU_CHAN_BAND_2G:
4951 band = NL80211_BAND_2GHZ;
4952 break;
4953 case BRCMU_CHAN_BAND_5G:
4954 band = NL80211_BAND_5GHZ;
4955 break;
4956 }
4957
4958 switch (ch.bw) {
4959 case BRCMU_CHAN_BW_80:
4960 width = NL80211_CHAN_WIDTH_80;
4961 break;
4962 case BRCMU_CHAN_BW_40:
4963 width = NL80211_CHAN_WIDTH_40;
4964 break;
4965 case BRCMU_CHAN_BW_20:
4966 width = NL80211_CHAN_WIDTH_20;
4967 break;
4968 case BRCMU_CHAN_BW_80P80:
4969 width = NL80211_CHAN_WIDTH_80P80;
4970 break;
4971 case BRCMU_CHAN_BW_160:
4972 width = NL80211_CHAN_WIDTH_160;
4973 break;
4974 }
4975
4976 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band);
4977 chandef->chan = ieee80211_get_channel(wiphy, freq);
4978 chandef->width = width;
4979 chandef->center_freq1 = ieee80211_channel_to_frequency(ch.chnum, band);
4980 chandef->center_freq2 = 0;
4981
4982 return 0;
4983}
4984
4985static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4986 struct wireless_dev *wdev,
4987 enum nl80211_crit_proto_id proto,
4988 u16 duration)
4989{
4990 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4991 struct brcmf_cfg80211_vif *vif;
4992
4993 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4994
4995
4996 if (proto != NL80211_CRIT_PROTO_DHCP)
4997 return -EINVAL;
4998
4999
5000 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
5001 brcmf_abort_scanning(cfg);
5002
5003 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
5004}
5005
5006static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
5007 struct wireless_dev *wdev)
5008{
5009 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
5010 struct brcmf_cfg80211_vif *vif;
5011
5012 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
5013
5014 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
5015 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
5016}
5017
5018static s32
5019brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
5020 const struct brcmf_event_msg *e, void *data)
5021{
5022 switch (e->reason) {
5023 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
5024 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
5025 break;
5026 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
5027 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
5028 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
5029 break;
5030 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
5031 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
5032 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
5033 break;
5034 }
5035
5036 return 0;
5037}
5038
5039static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
5040{
5041 int ret;
5042
5043 switch (oper) {
5044 case NL80211_TDLS_DISCOVERY_REQ:
5045 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
5046 break;
5047 case NL80211_TDLS_SETUP:
5048 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
5049 break;
5050 case NL80211_TDLS_TEARDOWN:
5051 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
5052 break;
5053 default:
5054 brcmf_err("unsupported operation: %d\n", oper);
5055 ret = -EOPNOTSUPP;
5056 }
5057 return ret;
5058}
5059
5060static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
5061 struct net_device *ndev, const u8 *peer,
5062 enum nl80211_tdls_operation oper)
5063{
5064 struct brcmf_if *ifp;
5065 struct brcmf_tdls_iovar_le info;
5066 int ret = 0;
5067
5068 ret = brcmf_convert_nl80211_tdls_oper(oper);
5069 if (ret < 0)
5070 return ret;
5071
5072 ifp = netdev_priv(ndev);
5073 memset(&info, 0, sizeof(info));
5074 info.mode = (u8)ret;
5075 if (peer)
5076 memcpy(info.ea, peer, ETH_ALEN);
5077
5078 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
5079 &info, sizeof(info));
5080 if (ret < 0)
5081 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
5082
5083 return ret;
5084}
5085
5086static int
5087brcmf_cfg80211_update_conn_params(struct wiphy *wiphy,
5088 struct net_device *ndev,
5089 struct cfg80211_connect_params *sme,
5090 u32 changed)
5091{
5092 struct brcmf_if *ifp;
5093 int err;
5094
5095 if (!(changed & UPDATE_ASSOC_IES))
5096 return 0;
5097
5098 ifp = netdev_priv(ndev);
5099 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
5100 sme->ie, sme->ie_len);
5101 if (err)
5102 brcmf_err("Set Assoc REQ IE Failed\n");
5103 else
5104 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
5105
5106 return err;
5107}
5108
5109#ifdef CONFIG_PM
5110static int
5111brcmf_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *ndev,
5112 struct cfg80211_gtk_rekey_data *gtk)
5113{
5114 struct brcmf_if *ifp = netdev_priv(ndev);
5115 struct brcmf_gtk_keyinfo_le gtk_le;
5116 int ret;
5117
5118 brcmf_dbg(TRACE, "Enter, bssidx=%d\n", ifp->bsscfgidx);
5119
5120 memcpy(gtk_le.kck, gtk->kck, sizeof(gtk_le.kck));
5121 memcpy(gtk_le.kek, gtk->kek, sizeof(gtk_le.kek));
5122 memcpy(gtk_le.replay_counter, gtk->replay_ctr,
5123 sizeof(gtk_le.replay_counter));
5124
5125 ret = brcmf_fil_iovar_data_set(ifp, "gtk_key_info", >k_le,
5126 sizeof(gtk_le));
5127 if (ret < 0)
5128 brcmf_err("gtk_key_info iovar failed: ret=%d\n", ret);
5129
5130 return ret;
5131}
5132#endif
5133
5134static struct cfg80211_ops brcmf_cfg80211_ops = {
5135 .add_virtual_intf = brcmf_cfg80211_add_iface,
5136 .del_virtual_intf = brcmf_cfg80211_del_iface,
5137 .change_virtual_intf = brcmf_cfg80211_change_iface,
5138 .scan = brcmf_cfg80211_scan,
5139 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
5140 .join_ibss = brcmf_cfg80211_join_ibss,
5141 .leave_ibss = brcmf_cfg80211_leave_ibss,
5142 .get_station = brcmf_cfg80211_get_station,
5143 .dump_station = brcmf_cfg80211_dump_station,
5144 .set_tx_power = brcmf_cfg80211_set_tx_power,
5145 .get_tx_power = brcmf_cfg80211_get_tx_power,
5146 .add_key = brcmf_cfg80211_add_key,
5147 .del_key = brcmf_cfg80211_del_key,
5148 .get_key = brcmf_cfg80211_get_key,
5149 .set_default_key = brcmf_cfg80211_config_default_key,
5150 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
5151 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5152 .connect = brcmf_cfg80211_connect,
5153 .disconnect = brcmf_cfg80211_disconnect,
5154 .suspend = brcmf_cfg80211_suspend,
5155 .resume = brcmf_cfg80211_resume,
5156 .set_pmksa = brcmf_cfg80211_set_pmksa,
5157 .del_pmksa = brcmf_cfg80211_del_pmksa,
5158 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
5159 .start_ap = brcmf_cfg80211_start_ap,
5160 .stop_ap = brcmf_cfg80211_stop_ap,
5161 .change_beacon = brcmf_cfg80211_change_beacon,
5162 .del_station = brcmf_cfg80211_del_station,
5163 .change_station = brcmf_cfg80211_change_station,
5164 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
5165 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
5166 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
5167 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
5168 .remain_on_channel = brcmf_p2p_remain_on_channel,
5169 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
5170 .get_channel = brcmf_cfg80211_get_channel,
5171 .start_p2p_device = brcmf_p2p_start_device,
5172 .stop_p2p_device = brcmf_p2p_stop_device,
5173 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
5174 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
5175 .tdls_oper = brcmf_cfg80211_tdls_oper,
5176 .update_connect_params = brcmf_cfg80211_update_conn_params,
5177};
5178
5179struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
5180 enum nl80211_iftype type)
5181{
5182 struct brcmf_cfg80211_vif *vif_walk;
5183 struct brcmf_cfg80211_vif *vif;
5184 bool mbss;
5185
5186 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
5187 sizeof(*vif));
5188 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
5189 if (!vif)
5190 return ERR_PTR(-ENOMEM);
5191
5192 vif->wdev.wiphy = cfg->wiphy;
5193 vif->wdev.iftype = type;
5194
5195 brcmf_init_prof(&vif->profile);
5196
5197 if (type == NL80211_IFTYPE_AP) {
5198 mbss = false;
5199 list_for_each_entry(vif_walk, &cfg->vif_list, list) {
5200 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
5201 mbss = true;
5202 break;
5203 }
5204 }
5205 vif->mbss = mbss;
5206 }
5207
5208 list_add_tail(&vif->list, &cfg->vif_list);
5209 return vif;
5210}
5211
5212void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5213{
5214 list_del(&vif->list);
5215 kfree(vif);
5216}
5217
5218void brcmf_cfg80211_free_netdev(struct net_device *ndev)
5219{
5220 struct brcmf_cfg80211_vif *vif;
5221 struct brcmf_if *ifp;
5222
5223 ifp = netdev_priv(ndev);
5224 vif = ifp->vif;
5225
5226 if (vif)
5227 brcmf_free_vif(vif);
5228}
5229
5230static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
5231{
5232 u32 event = e->event_code;
5233 u32 status = e->status;
5234
5235 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
5236 brcmf_dbg(CONN, "Processing set ssid\n");
5237 return true;
5238 }
5239
5240 return false;
5241}
5242
5243static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5244{
5245 u32 event = e->event_code;
5246 u16 flags = e->flags;
5247
5248 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
5249 (event == BRCMF_E_DISASSOC_IND) ||
5250 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
5251 brcmf_dbg(CONN, "Processing link down\n");
5252 return true;
5253 }
5254 return false;
5255}
5256
5257static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5258 const struct brcmf_event_msg *e)
5259{
5260 u32 event = e->event_code;
5261 u32 status = e->status;
5262
5263 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
5264 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
5265 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5266 return true;
5267 }
5268
5269 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
5270 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5271 return true;
5272 }
5273
5274 return false;
5275}
5276
5277static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5278{
5279 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5280
5281 kfree(conn_info->req_ie);
5282 conn_info->req_ie = NULL;
5283 conn_info->req_ie_len = 0;
5284 kfree(conn_info->resp_ie);
5285 conn_info->resp_ie = NULL;
5286 conn_info->resp_ie_len = 0;
5287}
5288
5289static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
5290 struct brcmf_if *ifp)
5291{
5292 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
5293 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5294 u32 req_len;
5295 u32 resp_len;
5296 s32 err = 0;
5297
5298 brcmf_clear_assoc_ies(cfg);
5299
5300 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
5301 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5302 if (err) {
5303 brcmf_err("could not get assoc info (%d)\n", err);
5304 return err;
5305 }
5306 assoc_info =
5307 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
5308 req_len = le32_to_cpu(assoc_info->req_len);
5309 resp_len = le32_to_cpu(assoc_info->resp_len);
5310 if (req_len) {
5311 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
5312 cfg->extra_buf,
5313 WL_ASSOC_INFO_MAX);
5314 if (err) {
5315 brcmf_err("could not get assoc req (%d)\n", err);
5316 return err;
5317 }
5318 conn_info->req_ie_len = req_len;
5319 conn_info->req_ie =
5320 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5321 GFP_KERNEL);
5322 } else {
5323 conn_info->req_ie_len = 0;
5324 conn_info->req_ie = NULL;
5325 }
5326 if (resp_len) {
5327 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
5328 cfg->extra_buf,
5329 WL_ASSOC_INFO_MAX);
5330 if (err) {
5331 brcmf_err("could not get assoc resp (%d)\n", err);
5332 return err;
5333 }
5334 conn_info->resp_ie_len = resp_len;
5335 conn_info->resp_ie =
5336 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5337 GFP_KERNEL);
5338 } else {
5339 conn_info->resp_ie_len = 0;
5340 conn_info->resp_ie = NULL;
5341 }
5342 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
5343 conn_info->req_ie_len, conn_info->resp_ie_len);
5344
5345 return err;
5346}
5347
5348static s32
5349brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5350 struct net_device *ndev,
5351 const struct brcmf_event_msg *e)
5352{
5353 struct brcmf_if *ifp = netdev_priv(ndev);
5354 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5355 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5356 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5357 struct ieee80211_channel *notify_channel = NULL;
5358 struct ieee80211_supported_band *band;
5359 struct brcmf_bss_info_le *bi;
5360 struct brcmu_chan ch;
5361 struct cfg80211_roam_info roam_info = {};
5362 u32 freq;
5363 s32 err = 0;
5364 u8 *buf;
5365
5366 brcmf_dbg(TRACE, "Enter\n");
5367
5368 brcmf_get_assoc_ies(cfg, ifp);
5369 memcpy(profile->bssid, e->addr, ETH_ALEN);
5370 brcmf_update_bss_info(cfg, ifp);
5371
5372 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
5373 if (buf == NULL) {
5374 err = -ENOMEM;
5375 goto done;
5376 }
5377
5378
5379 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
5380 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
5381 buf, WL_BSS_INFO_MAX);
5382
5383 if (err)
5384 goto done;
5385
5386 bi = (struct brcmf_bss_info_le *)(buf + 4);
5387 ch.chspec = le16_to_cpu(bi->chanspec);
5388 cfg->d11inf.decchspec(&ch);
5389
5390 if (ch.band == BRCMU_CHAN_BAND_2G)
5391 band = wiphy->bands[NL80211_BAND_2GHZ];
5392 else
5393 band = wiphy->bands[NL80211_BAND_5GHZ];
5394
5395 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band->band);
5396 notify_channel = ieee80211_get_channel(wiphy, freq);
5397
5398done:
5399 kfree(buf);
5400
5401 roam_info.channel = notify_channel;
5402 roam_info.bssid = profile->bssid;
5403 roam_info.req_ie = conn_info->req_ie;
5404 roam_info.req_ie_len = conn_info->req_ie_len;
5405 roam_info.resp_ie = conn_info->resp_ie;
5406 roam_info.resp_ie_len = conn_info->resp_ie_len;
5407
5408 cfg80211_roamed(ndev, &roam_info, GFP_KERNEL);
5409 brcmf_dbg(CONN, "Report roaming result\n");
5410
5411 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
5412 brcmf_dbg(TRACE, "Exit\n");
5413 return err;
5414}
5415
5416static s32
5417brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5418 struct net_device *ndev, const struct brcmf_event_msg *e,
5419 bool completed)
5420{
5421 struct brcmf_if *ifp = netdev_priv(ndev);
5422 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5423 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5424
5425 brcmf_dbg(TRACE, "Enter\n");
5426
5427 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5428 &ifp->vif->sme_state)) {
5429 if (completed) {
5430 brcmf_get_assoc_ies(cfg, ifp);
5431 memcpy(profile->bssid, e->addr, ETH_ALEN);
5432 brcmf_update_bss_info(cfg, ifp);
5433 set_bit(BRCMF_VIF_STATUS_CONNECTED,
5434 &ifp->vif->sme_state);
5435 }
5436 cfg80211_connect_result(ndev,
5437 (u8 *)profile->bssid,
5438 conn_info->req_ie,
5439 conn_info->req_ie_len,
5440 conn_info->resp_ie,
5441 conn_info->resp_ie_len,
5442 completed ? WLAN_STATUS_SUCCESS :
5443 WLAN_STATUS_AUTH_TIMEOUT,
5444 GFP_KERNEL);
5445 brcmf_dbg(CONN, "Report connect result - connection %s\n",
5446 completed ? "succeeded" : "failed");
5447 }
5448 brcmf_dbg(TRACE, "Exit\n");
5449 return 0;
5450}
5451
5452static s32
5453brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
5454 struct net_device *ndev,
5455 const struct brcmf_event_msg *e, void *data)
5456{
5457 static int generation;
5458 u32 event = e->event_code;
5459 u32 reason = e->reason;
5460 struct station_info sinfo;
5461
5462 brcmf_dbg(CONN, "event %s (%u), reason %d\n",
5463 brcmf_fweh_event_name(event), event, reason);
5464 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
5465 ndev != cfg_to_ndev(cfg)) {
5466 brcmf_dbg(CONN, "AP mode link down\n");
5467 complete(&cfg->vif_disabled);
5468 return 0;
5469 }
5470
5471 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
5472 (reason == BRCMF_E_STATUS_SUCCESS)) {
5473 memset(&sinfo, 0, sizeof(sinfo));
5474 if (!data) {
5475 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
5476 return -EINVAL;
5477 }
5478 sinfo.assoc_req_ies = data;
5479 sinfo.assoc_req_ies_len = e->datalen;
5480 generation++;
5481 sinfo.generation = generation;
5482 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
5483 } else if ((event == BRCMF_E_DISASSOC_IND) ||
5484 (event == BRCMF_E_DEAUTH_IND) ||
5485 (event == BRCMF_E_DEAUTH)) {
5486 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
5487 }
5488 return 0;
5489}
5490
5491static s32
5492brcmf_notify_connect_status(struct brcmf_if *ifp,
5493 const struct brcmf_event_msg *e, void *data)
5494{
5495 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5496 struct net_device *ndev = ifp->ndev;
5497 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5498 struct ieee80211_channel *chan;
5499 s32 err = 0;
5500
5501 if ((e->event_code == BRCMF_E_DEAUTH) ||
5502 (e->event_code == BRCMF_E_DEAUTH_IND) ||
5503 (e->event_code == BRCMF_E_DISASSOC_IND) ||
5504 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
5505 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
5506 }
5507
5508 if (brcmf_is_apmode(ifp->vif)) {
5509 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
5510 } else if (brcmf_is_linkup(e)) {
5511 brcmf_dbg(CONN, "Linkup\n");
5512 if (brcmf_is_ibssmode(ifp->vif)) {
5513 brcmf_inform_ibss(cfg, ndev, e->addr);
5514 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
5515 memcpy(profile->bssid, e->addr, ETH_ALEN);
5516 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
5517 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5518 &ifp->vif->sme_state);
5519 set_bit(BRCMF_VIF_STATUS_CONNECTED,
5520 &ifp->vif->sme_state);
5521 } else
5522 brcmf_bss_connect_done(cfg, ndev, e, true);
5523 brcmf_net_setcarrier(ifp, true);
5524 } else if (brcmf_is_linkdown(e)) {
5525 brcmf_dbg(CONN, "Linkdown\n");
5526 if (!brcmf_is_ibssmode(ifp->vif)) {
5527 brcmf_bss_connect_done(cfg, ndev, e, false);
5528 brcmf_link_down(ifp->vif,
5529 brcmf_map_fw_linkdown_reason(e));
5530 brcmf_init_prof(ndev_to_prof(ndev));
5531 if (ndev != cfg_to_ndev(cfg))
5532 complete(&cfg->vif_disabled);
5533 brcmf_net_setcarrier(ifp, false);
5534 }
5535 } else if (brcmf_is_nonetwork(cfg, e)) {
5536 if (brcmf_is_ibssmode(ifp->vif))
5537 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5538 &ifp->vif->sme_state);
5539 else
5540 brcmf_bss_connect_done(cfg, ndev, e, false);
5541 }
5542
5543 return err;
5544}
5545
5546static s32
5547brcmf_notify_roaming_status(struct brcmf_if *ifp,
5548 const struct brcmf_event_msg *e, void *data)
5549{
5550 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5551 u32 event = e->event_code;
5552 u32 status = e->status;
5553
5554 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
5555 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
5556 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5557 else
5558 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5559 }
5560
5561 return 0;
5562}
5563
5564static s32
5565brcmf_notify_mic_status(struct brcmf_if *ifp,
5566 const struct brcmf_event_msg *e, void *data)
5567{
5568 u16 flags = e->flags;
5569 enum nl80211_key_type key_type;
5570
5571 if (flags & BRCMF_EVENT_MSG_GROUP)
5572 key_type = NL80211_KEYTYPE_GROUP;
5573 else
5574 key_type = NL80211_KEYTYPE_PAIRWISE;
5575
5576 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5577 NULL, GFP_KERNEL);
5578
5579 return 0;
5580}
5581
5582static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
5583 const struct brcmf_event_msg *e, void *data)
5584{
5585 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5586 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
5587 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5588 struct brcmf_cfg80211_vif *vif;
5589
5590 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfgidx %u\n",
5591 ifevent->action, ifevent->flags, ifevent->ifidx,
5592 ifevent->bsscfgidx);
5593
5594 spin_lock(&event->vif_event_lock);
5595 event->action = ifevent->action;
5596 vif = event->vif;
5597
5598 switch (ifevent->action) {
5599 case BRCMF_E_IF_ADD:
5600
5601 if (!cfg->vif_event.vif) {
5602 spin_unlock(&event->vif_event_lock);
5603 return -EBADF;
5604 }
5605
5606 ifp->vif = vif;
5607 vif->ifp = ifp;
5608 if (ifp->ndev) {
5609 vif->wdev.netdev = ifp->ndev;
5610 ifp->ndev->ieee80211_ptr = &vif->wdev;
5611 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
5612 }
5613 spin_unlock(&event->vif_event_lock);
5614 wake_up(&event->vif_wq);
5615 return 0;
5616
5617 case BRCMF_E_IF_DEL:
5618 spin_unlock(&event->vif_event_lock);
5619
5620 if (brcmf_cfg80211_vif_event_armed(cfg))
5621 wake_up(&event->vif_wq);
5622 return 0;
5623
5624 case BRCMF_E_IF_CHANGE:
5625 spin_unlock(&event->vif_event_lock);
5626 wake_up(&event->vif_wq);
5627 return 0;
5628
5629 default:
5630 spin_unlock(&event->vif_event_lock);
5631 break;
5632 }
5633 return -EINVAL;
5634}
5635
5636static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
5637{
5638 conf->frag_threshold = (u32)-1;
5639 conf->rts_threshold = (u32)-1;
5640 conf->retry_short = (u32)-1;
5641 conf->retry_long = (u32)-1;
5642}
5643
5644static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5645{
5646 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
5647 brcmf_notify_connect_status);
5648 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
5649 brcmf_notify_connect_status);
5650 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
5651 brcmf_notify_connect_status);
5652 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
5653 brcmf_notify_connect_status);
5654 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
5655 brcmf_notify_connect_status);
5656 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
5657 brcmf_notify_connect_status);
5658 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
5659 brcmf_notify_roaming_status);
5660 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
5661 brcmf_notify_mic_status);
5662 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
5663 brcmf_notify_connect_status);
5664 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
5665 brcmf_notify_sched_scan_results);
5666 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
5667 brcmf_notify_vif_event);
5668 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
5669 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
5670 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
5671 brcmf_p2p_notify_listen_complete);
5672 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
5673 brcmf_p2p_notify_action_frame_rx);
5674 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
5675 brcmf_p2p_notify_action_tx_complete);
5676 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
5677 brcmf_p2p_notify_action_tx_complete);
5678}
5679
5680static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
5681{
5682 kfree(cfg->conf);
5683 cfg->conf = NULL;
5684 kfree(cfg->extra_buf);
5685 cfg->extra_buf = NULL;
5686 kfree(cfg->wowl.nd);
5687 cfg->wowl.nd = NULL;
5688 kfree(cfg->wowl.nd_info);
5689 cfg->wowl.nd_info = NULL;
5690 kfree(cfg->escan_info.escan_buf);
5691 cfg->escan_info.escan_buf = NULL;
5692}
5693
5694static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
5695{
5696 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
5697 if (!cfg->conf)
5698 goto init_priv_mem_out;
5699 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
5700 if (!cfg->extra_buf)
5701 goto init_priv_mem_out;
5702 cfg->wowl.nd = kzalloc(sizeof(*cfg->wowl.nd) + sizeof(u32), GFP_KERNEL);
5703 if (!cfg->wowl.nd)
5704 goto init_priv_mem_out;
5705 cfg->wowl.nd_info = kzalloc(sizeof(*cfg->wowl.nd_info) +
5706 sizeof(struct cfg80211_wowlan_nd_match *),
5707 GFP_KERNEL);
5708 if (!cfg->wowl.nd_info)
5709 goto init_priv_mem_out;
5710 cfg->escan_info.escan_buf = kzalloc(BRCMF_ESCAN_BUF_SIZE, GFP_KERNEL);
5711 if (!cfg->escan_info.escan_buf)
5712 goto init_priv_mem_out;
5713
5714 return 0;
5715
5716init_priv_mem_out:
5717 brcmf_deinit_priv_mem(cfg);
5718
5719 return -ENOMEM;
5720}
5721
5722static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5723{
5724 s32 err = 0;
5725
5726 cfg->scan_request = NULL;
5727 cfg->pwr_save = true;
5728 cfg->active_scan = true;
5729 cfg->dongle_up = false;
5730 err = brcmf_init_priv_mem(cfg);
5731 if (err)
5732 return err;
5733 brcmf_register_event_handlers(cfg);
5734 mutex_init(&cfg->usr_sync);
5735 brcmf_init_escan(cfg);
5736 brcmf_init_conf(cfg->conf);
5737 init_completion(&cfg->vif_disabled);
5738 return err;
5739}
5740
5741static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5742{
5743 cfg->dongle_up = false;
5744 brcmf_abort_scanning(cfg);
5745 brcmf_deinit_priv_mem(cfg);
5746}
5747
5748static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
5749{
5750 init_waitqueue_head(&event->vif_wq);
5751 spin_lock_init(&event->vif_event_lock);
5752}
5753
5754static s32 brcmf_dongle_roam(struct brcmf_if *ifp)
5755{
5756 s32 err;
5757 u32 bcn_timeout;
5758 __le32 roamtrigger[2];
5759 __le32 roam_delta[2];
5760
5761
5762 if (ifp->drvr->settings->roamoff)
5763 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF;
5764 else
5765 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON;
5766 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5767 if (err) {
5768 brcmf_err("bcn_timeout error (%d)\n", err);
5769 goto roam_setup_done;
5770 }
5771
5772
5773
5774
5775 brcmf_dbg(INFO, "Internal Roaming = %s\n",
5776 ifp->drvr->settings->roamoff ? "Off" : "On");
5777 err = brcmf_fil_iovar_int_set(ifp, "roam_off",
5778 ifp->drvr->settings->roamoff);
5779 if (err) {
5780 brcmf_err("roam_off error (%d)\n", err);
5781 goto roam_setup_done;
5782 }
5783
5784 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
5785 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
5786 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
5787 (void *)roamtrigger, sizeof(roamtrigger));
5788 if (err) {
5789 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
5790 goto roam_setup_done;
5791 }
5792
5793 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
5794 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
5795 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
5796 (void *)roam_delta, sizeof(roam_delta));
5797 if (err) {
5798 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
5799 goto roam_setup_done;
5800 }
5801
5802roam_setup_done:
5803 return err;
5804}
5805
5806static s32
5807brcmf_dongle_scantime(struct brcmf_if *ifp)
5808{
5809 s32 err = 0;
5810
5811 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
5812 BRCMF_SCAN_CHANNEL_TIME);
5813 if (err) {
5814 brcmf_err("Scan assoc time error (%d)\n", err);
5815 goto dongle_scantime_out;
5816 }
5817 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
5818 BRCMF_SCAN_UNASSOC_TIME);
5819 if (err) {
5820 brcmf_err("Scan unassoc time error (%d)\n", err);
5821 goto dongle_scantime_out;
5822 }
5823
5824 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
5825 BRCMF_SCAN_PASSIVE_TIME);
5826 if (err) {
5827 brcmf_err("Scan passive time error (%d)\n", err);
5828 goto dongle_scantime_out;
5829 }
5830
5831dongle_scantime_out:
5832 return err;
5833}
5834
5835static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
5836 struct brcmu_chan *ch)
5837{
5838 u32 ht40_flag;
5839
5840 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5841 if (ch->sb == BRCMU_CHAN_SB_U) {
5842 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5843 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5844 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5845 } else {
5846
5847
5848
5849
5850 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5851 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5852 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5853 }
5854}
5855
5856static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5857 u32 bw_cap[])
5858{
5859 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5860 struct ieee80211_supported_band *band;
5861 struct ieee80211_channel *channel;
5862 struct wiphy *wiphy;
5863 struct brcmf_chanspec_list *list;
5864 struct brcmu_chan ch;
5865 int err;
5866 u8 *pbuf;
5867 u32 i, j;
5868 u32 total;
5869 u32 chaninfo;
5870
5871 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5872
5873 if (pbuf == NULL)
5874 return -ENOMEM;
5875
5876 list = (struct brcmf_chanspec_list *)pbuf;
5877
5878 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5879 BRCMF_DCMD_MEDLEN);
5880 if (err) {
5881 brcmf_err("get chanspecs error (%d)\n", err);
5882 goto fail_pbuf;
5883 }
5884
5885 wiphy = cfg_to_wiphy(cfg);
5886 band = wiphy->bands[NL80211_BAND_2GHZ];
5887 if (band)
5888 for (i = 0; i < band->n_channels; i++)
5889 band->channels[i].flags = IEEE80211_CHAN_DISABLED;
5890 band = wiphy->bands[NL80211_BAND_5GHZ];
5891 if (band)
5892 for (i = 0; i < band->n_channels; i++)
5893 band->channels[i].flags = IEEE80211_CHAN_DISABLED;
5894
5895 total = le32_to_cpu(list->count);
5896 for (i = 0; i < total; i++) {
5897 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5898 cfg->d11inf.decchspec(&ch);
5899
5900 if (ch.band == BRCMU_CHAN_BAND_2G) {
5901 band = wiphy->bands[NL80211_BAND_2GHZ];
5902 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
5903 band = wiphy->bands[NL80211_BAND_5GHZ];
5904 } else {
5905 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
5906 continue;
5907 }
5908 if (!band)
5909 continue;
5910 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
5911 ch.bw == BRCMU_CHAN_BW_40)
5912 continue;
5913 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
5914 ch.bw == BRCMU_CHAN_BW_80)
5915 continue;
5916
5917 channel = NULL;
5918 for (j = 0; j < band->n_channels; j++) {
5919 if (band->channels[j].hw_value == ch.control_ch_num) {
5920 channel = &band->channels[j];
5921 break;
5922 }
5923 }
5924 if (!channel) {
5925
5926
5927
5928 brcmf_err("Ignoring unexpected firmware channel %d\n",
5929 ch.control_ch_num);
5930 continue;
5931 }
5932
5933 if (channel->orig_flags & IEEE80211_CHAN_DISABLED)
5934 continue;
5935
5936
5937
5938
5939 if (ch.bw == BRCMU_CHAN_BW_80) {
5940 channel->flags &= ~IEEE80211_CHAN_NO_80MHZ;
5941 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5942 brcmf_update_bw40_channel_flag(channel, &ch);
5943 } else {
5944
5945
5946
5947
5948 channel->flags = IEEE80211_CHAN_NO_HT40 |
5949 IEEE80211_CHAN_NO_80MHZ;
5950 ch.bw = BRCMU_CHAN_BW_20;
5951 cfg->d11inf.encchspec(&ch);
5952 chaninfo = ch.chspec;
5953 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5954 &chaninfo);
5955 if (!err) {
5956 if (chaninfo & WL_CHAN_RADAR)
5957 channel->flags |=
5958 (IEEE80211_CHAN_RADAR |
5959 IEEE80211_CHAN_NO_IR);
5960 if (chaninfo & WL_CHAN_PASSIVE)
5961 channel->flags |=
5962 IEEE80211_CHAN_NO_IR;
5963 }
5964 }
5965 }
5966
5967fail_pbuf:
5968 kfree(pbuf);
5969 return err;
5970}
5971
5972static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
5973{
5974 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5975 struct ieee80211_supported_band *band;
5976 struct brcmf_fil_bwcap_le band_bwcap;
5977 struct brcmf_chanspec_list *list;
5978 u8 *pbuf;
5979 u32 val;
5980 int err;
5981 struct brcmu_chan ch;
5982 u32 num_chan;
5983 int i, j;
5984
5985
5986 val = WLC_BAND_5G;
5987 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5988
5989 if (!err) {
5990
5991 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5992 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5993 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5994 sizeof(band_bwcap));
5995 } else {
5996 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5997 val = WLC_N_BW_40ALL;
5998 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5999 }
6000
6001 if (!err) {
6002
6003 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
6004
6005 if (pbuf == NULL)
6006 return -ENOMEM;
6007
6008 ch.band = BRCMU_CHAN_BAND_2G;
6009 ch.bw = BRCMU_CHAN_BW_40;
6010 ch.sb = BRCMU_CHAN_SB_NONE;
6011 ch.chnum = 0;
6012 cfg->d11inf.encchspec(&ch);
6013
6014
6015 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
6016
6017 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
6018 BRCMF_DCMD_MEDLEN);
6019 if (err) {
6020 brcmf_err("get chanspecs error (%d)\n", err);
6021 kfree(pbuf);
6022 return err;
6023 }
6024
6025 band = cfg_to_wiphy(cfg)->bands[NL80211_BAND_2GHZ];
6026 list = (struct brcmf_chanspec_list *)pbuf;
6027 num_chan = le32_to_cpu(list->count);
6028 for (i = 0; i < num_chan; i++) {
6029 ch.chspec = (u16)le32_to_cpu(list->element[i]);
6030 cfg->d11inf.decchspec(&ch);
6031 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
6032 continue;
6033 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
6034 continue;
6035 for (j = 0; j < band->n_channels; j++) {
6036 if (band->channels[j].hw_value == ch.control_ch_num)
6037 break;
6038 }
6039 if (WARN_ON(j == band->n_channels))
6040 continue;
6041
6042 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
6043 }
6044 kfree(pbuf);
6045 }
6046 return err;
6047}
6048
6049static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
6050{
6051 u32 band, mimo_bwcap;
6052 int err;
6053
6054 band = WLC_BAND_2G;
6055 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
6056 if (!err) {
6057 bw_cap[NL80211_BAND_2GHZ] = band;
6058 band = WLC_BAND_5G;
6059 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
6060 if (!err) {
6061 bw_cap[NL80211_BAND_5GHZ] = band;
6062 return;
6063 }
6064 WARN_ON(1);
6065 return;
6066 }
6067 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
6068 mimo_bwcap = 0;
6069 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
6070 if (err)
6071
6072 mimo_bwcap = WLC_N_BW_20ALL;
6073
6074 switch (mimo_bwcap) {
6075 case WLC_N_BW_40ALL:
6076 bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
6077
6078 case WLC_N_BW_20IN2G_40IN5G:
6079 bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
6080
6081 case WLC_N_BW_20ALL:
6082 bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
6083 bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
6084 break;
6085 default:
6086 brcmf_err("invalid mimo_bw_cap value\n");
6087 }
6088}
6089
6090static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
6091 u32 bw_cap[2], u32 nchain)
6092{
6093 band->ht_cap.ht_supported = true;
6094 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
6095 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
6096 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6097 }
6098 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
6099 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
6100 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
6101 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
6102 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
6103 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
6104}
6105
6106static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
6107{
6108 u16 mcs_map;
6109 int i;
6110
6111 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
6112 mcs_map = (mcs_map << 2) | supp;
6113
6114 return cpu_to_le16(mcs_map);
6115}
6116
6117static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
6118 u32 bw_cap[2], u32 nchain, u32 txstreams,
6119 u32 txbf_bfe_cap, u32 txbf_bfr_cap)
6120{
6121 __le16 mcs_map;
6122
6123
6124 if (band->band == NL80211_BAND_2GHZ)
6125 return;
6126
6127 band->vht_cap.vht_supported = true;
6128
6129 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
6130 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
6131 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
6132 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
6133 }
6134
6135 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
6136 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
6137 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
6138
6139
6140 if (txbf_bfe_cap & BRCMF_TXBF_SU_BFE_CAP)
6141 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
6142 if (txbf_bfe_cap & BRCMF_TXBF_MU_BFE_CAP)
6143 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
6144 if (txbf_bfr_cap & BRCMF_TXBF_SU_BFR_CAP)
6145 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
6146 if (txbf_bfr_cap & BRCMF_TXBF_MU_BFR_CAP)
6147 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
6148
6149 if ((txbf_bfe_cap || txbf_bfr_cap) && (txstreams > 1)) {
6150 band->vht_cap.cap |=
6151 (2 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
6152 band->vht_cap.cap |= ((txstreams - 1) <<
6153 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
6154 band->vht_cap.cap |=
6155 IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
6156 }
6157}
6158
6159static int brcmf_setup_wiphybands(struct wiphy *wiphy)
6160{
6161 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
6162 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
6163 u32 nmode = 0;
6164 u32 vhtmode = 0;
6165 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
6166 u32 rxchain;
6167 u32 nchain;
6168 int err;
6169 s32 i;
6170 struct ieee80211_supported_band *band;
6171 u32 txstreams = 0;
6172 u32 txbf_bfe_cap = 0;
6173 u32 txbf_bfr_cap = 0;
6174
6175 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
6176 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
6177 if (err) {
6178 brcmf_err("nmode error (%d)\n", err);
6179 } else {
6180 brcmf_get_bwcap(ifp, bw_cap);
6181 }
6182 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
6183 nmode, vhtmode, bw_cap[NL80211_BAND_2GHZ],
6184 bw_cap[NL80211_BAND_5GHZ]);
6185
6186 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
6187 if (err) {
6188 brcmf_err("rxchain error (%d)\n", err);
6189 nchain = 1;
6190 } else {
6191 for (nchain = 0; rxchain; nchain++)
6192 rxchain = rxchain & (rxchain - 1);
6193 }
6194 brcmf_dbg(INFO, "nchain=%d\n", nchain);
6195
6196 err = brcmf_construct_chaninfo(cfg, bw_cap);
6197 if (err) {
6198 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
6199 return err;
6200 }
6201
6202 if (vhtmode) {
6203 (void)brcmf_fil_iovar_int_get(ifp, "txstreams", &txstreams);
6204 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfe_cap",
6205 &txbf_bfe_cap);
6206 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfr_cap",
6207 &txbf_bfr_cap);
6208 }
6209
6210 wiphy = cfg_to_wiphy(cfg);
6211 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
6212 band = wiphy->bands[i];
6213 if (band == NULL)
6214 continue;
6215
6216 if (nmode)
6217 brcmf_update_ht_cap(band, bw_cap, nchain);
6218 if (vhtmode)
6219 brcmf_update_vht_cap(band, bw_cap, nchain, txstreams,
6220 txbf_bfe_cap, txbf_bfr_cap);
6221 }
6222
6223 return 0;
6224}
6225
6226static const struct ieee80211_txrx_stypes
6227brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
6228 [NL80211_IFTYPE_STATION] = {
6229 .tx = 0xffff,
6230 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6231 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6232 },
6233 [NL80211_IFTYPE_P2P_CLIENT] = {
6234 .tx = 0xffff,
6235 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6236 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6237 },
6238 [NL80211_IFTYPE_P2P_GO] = {
6239 .tx = 0xffff,
6240 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
6241 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
6242 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
6243 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
6244 BIT(IEEE80211_STYPE_AUTH >> 4) |
6245 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
6246 BIT(IEEE80211_STYPE_ACTION >> 4)
6247 },
6248 [NL80211_IFTYPE_P2P_DEVICE] = {
6249 .tx = 0xffff,
6250 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6251 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6252 }
6253};
6254
6255
6256
6257
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
6269
6270
6271
6272
6273
6274
6275
6276
6277
6278
6279
6280
6281
6282
6283
6284
6285static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
6286{
6287 struct ieee80211_iface_combination *combo = NULL;
6288 struct ieee80211_iface_limit *c0_limits = NULL;
6289 struct ieee80211_iface_limit *p2p_limits = NULL;
6290 struct ieee80211_iface_limit *mbss_limits = NULL;
6291 bool mbss, p2p;
6292 int i, c, n_combos;
6293
6294 mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS);
6295 p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P);
6296
6297 n_combos = 1 + !!p2p + !!mbss;
6298 combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL);
6299 if (!combo)
6300 goto err;
6301
6302 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
6303 BIT(NL80211_IFTYPE_ADHOC) |
6304 BIT(NL80211_IFTYPE_AP);
6305
6306 c = 0;
6307 i = 0;
6308 c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
6309 if (!c0_limits)
6310 goto err;
6311 c0_limits[i].max = 1;
6312 c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
6313 if (p2p) {
6314 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
6315 combo[c].num_different_channels = 2;
6316 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
6317 BIT(NL80211_IFTYPE_P2P_GO) |
6318 BIT(NL80211_IFTYPE_P2P_DEVICE);
6319 c0_limits[i].max = 1;
6320 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
6321 c0_limits[i].max = 1;
6322 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
6323 BIT(NL80211_IFTYPE_P2P_GO);
6324 } else {
6325 c0_limits[i].max = 1;
6326 c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6327 }
6328 combo[c].num_different_channels = 1;
6329 combo[c].max_interfaces = i;
6330 combo[c].n_limits = i;
6331 combo[c].limits = c0_limits;
6332
6333 if (p2p) {
6334 c++;
6335 i = 0;
6336 p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);
6337 if (!p2p_limits)
6338 goto err;
6339 p2p_limits[i].max = 1;
6340 p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
6341 p2p_limits[i].max = 1;
6342 p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6343 p2p_limits[i].max = 1;
6344 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT);
6345 p2p_limits[i].max = 1;
6346 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
6347 combo[c].num_different_channels = 1;
6348 combo[c].max_interfaces = i;
6349 combo[c].n_limits = i;
6350 combo[c].limits = p2p_limits;
6351 }
6352
6353 if (mbss) {
6354 c++;
6355 i = 0;
6356 mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL);
6357 if (!mbss_limits)
6358 goto err;
6359 mbss_limits[i].max = 4;
6360 mbss_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6361 combo[c].beacon_int_infra_match = true;
6362 combo[c].num_different_channels = 1;
6363 combo[c].max_interfaces = 4;
6364 combo[c].n_limits = i;
6365 combo[c].limits = mbss_limits;
6366 }
6367
6368 wiphy->n_iface_combinations = n_combos;
6369 wiphy->iface_combinations = combo;
6370 return 0;
6371
6372err:
6373 kfree(c0_limits);
6374 kfree(p2p_limits);
6375 kfree(mbss_limits);
6376 kfree(combo);
6377 return -ENOMEM;
6378}
6379
6380static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
6381{
6382
6383 wiphy->max_sched_scan_reqs = 1;
6384 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
6385 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
6386 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
6387 wiphy->max_sched_scan_plan_interval = BRCMF_PNO_SCHED_SCAN_MAX_PERIOD;
6388}
6389
6390#ifdef CONFIG_PM
6391static const struct wiphy_wowlan_support brcmf_wowlan_support = {
6392 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
6393 .n_patterns = BRCMF_WOWL_MAXPATTERNS,
6394 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
6395 .pattern_min_len = 1,
6396 .max_pkt_offset = 1500,
6397};
6398#endif
6399
6400static void brcmf_wiphy_wowl_params(struct wiphy *wiphy, struct brcmf_if *ifp)
6401{
6402#ifdef CONFIG_PM
6403 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
6404 struct wiphy_wowlan_support *wowl;
6405
6406 wowl = kmemdup(&brcmf_wowlan_support, sizeof(brcmf_wowlan_support),
6407 GFP_KERNEL);
6408 if (!wowl) {
6409 brcmf_err("only support basic wowlan features\n");
6410 wiphy->wowlan = &brcmf_wowlan_support;
6411 return;
6412 }
6413
6414 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) {
6415 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ND)) {
6416 wowl->flags |= WIPHY_WOWLAN_NET_DETECT;
6417 wowl->max_nd_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
6418 init_waitqueue_head(&cfg->wowl.nd_data_wait);
6419 }
6420 }
6421 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) {
6422 wowl->flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY;
6423 wowl->flags |= WIPHY_WOWLAN_GTK_REKEY_FAILURE;
6424 }
6425
6426 wiphy->wowlan = wowl;
6427#endif
6428}
6429
6430static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
6431{
6432 struct brcmf_pub *drvr = ifp->drvr;
6433 const struct ieee80211_iface_combination *combo;
6434 struct ieee80211_supported_band *band;
6435 u16 max_interfaces = 0;
6436 __le32 bandlist[3];
6437 u32 n_bands;
6438 int err, i;
6439
6440 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
6441 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
6442 wiphy->max_num_pmkids = BRCMF_MAXPMKID;
6443
6444 err = brcmf_setup_ifmodes(wiphy, ifp);
6445 if (err)
6446 return err;
6447
6448 for (i = 0, combo = wiphy->iface_combinations;
6449 i < wiphy->n_iface_combinations; i++, combo++) {
6450 max_interfaces = max(max_interfaces, combo->max_interfaces);
6451 }
6452
6453 for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses);
6454 i++) {
6455 u8 *addr = drvr->addresses[i].addr;
6456
6457 memcpy(addr, drvr->mac, ETH_ALEN);
6458 if (i) {
6459 addr[0] |= BIT(1);
6460 addr[ETH_ALEN - 1] ^= i;
6461 }
6462 }
6463 wiphy->addresses = drvr->addresses;
6464 wiphy->n_addresses = i;
6465
6466 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
6467 wiphy->cipher_suites = brcmf_cipher_suites;
6468 wiphy->n_cipher_suites = ARRAY_SIZE(brcmf_cipher_suites);
6469 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
6470 wiphy->n_cipher_suites--;
6471 wiphy->bss_select_support = BIT(NL80211_BSS_SELECT_ATTR_RSSI) |
6472 BIT(NL80211_BSS_SELECT_ATTR_BAND_PREF) |
6473 BIT(NL80211_BSS_SELECT_ATTR_RSSI_ADJUST);
6474
6475 wiphy->flags |= WIPHY_FLAG_NETNS_OK |
6476 WIPHY_FLAG_PS_ON_BY_DEFAULT |
6477 WIPHY_FLAG_OFFCHAN_TX |
6478 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
6479 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS))
6480 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
6481 if (!ifp->drvr->settings->roamoff)
6482 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
6483 wiphy->mgmt_stypes = brcmf_txrx_stypes;
6484 wiphy->max_remain_on_channel_duration = 5000;
6485 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO))
6486 brcmf_wiphy_pno_params(wiphy);
6487
6488
6489 wiphy->vendor_commands = brcmf_vendor_cmds;
6490 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
6491
6492 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
6493 brcmf_wiphy_wowl_params(wiphy, ifp);
6494 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist,
6495 sizeof(bandlist));
6496 if (err) {
6497 brcmf_err("could not obtain band info: err=%d\n", err);
6498 return err;
6499 }
6500
6501 n_bands = le32_to_cpu(bandlist[0]);
6502 for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) {
6503 if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) {
6504 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
6505 GFP_KERNEL);
6506 if (!band)
6507 return -ENOMEM;
6508
6509 band->channels = kmemdup(&__wl_2ghz_channels,
6510 sizeof(__wl_2ghz_channels),
6511 GFP_KERNEL);
6512 if (!band->channels) {
6513 kfree(band);
6514 return -ENOMEM;
6515 }
6516
6517 band->n_channels = ARRAY_SIZE(__wl_2ghz_channels);
6518 wiphy->bands[NL80211_BAND_2GHZ] = band;
6519 }
6520 if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) {
6521 band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz),
6522 GFP_KERNEL);
6523 if (!band)
6524 return -ENOMEM;
6525
6526 band->channels = kmemdup(&__wl_5ghz_channels,
6527 sizeof(__wl_5ghz_channels),
6528 GFP_KERNEL);
6529 if (!band->channels) {
6530 kfree(band);
6531 return -ENOMEM;
6532 }
6533
6534 band->n_channels = ARRAY_SIZE(__wl_5ghz_channels);
6535 wiphy->bands[NL80211_BAND_5GHZ] = band;
6536 }
6537 }
6538
6539 wiphy_read_of_freq_limits(wiphy);
6540
6541 return 0;
6542}
6543
6544static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
6545{
6546 struct net_device *ndev;
6547 struct wireless_dev *wdev;
6548 struct brcmf_if *ifp;
6549 s32 power_mode;
6550 s32 err = 0;
6551
6552 if (cfg->dongle_up)
6553 return err;
6554
6555 ndev = cfg_to_ndev(cfg);
6556 wdev = ndev->ieee80211_ptr;
6557 ifp = netdev_priv(ndev);
6558
6559
6560 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
6561
6562 brcmf_dongle_scantime(ifp);
6563
6564 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
6565 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
6566 if (err)
6567 goto default_conf_out;
6568 brcmf_dbg(INFO, "power save set to %s\n",
6569 (power_mode ? "enabled" : "disabled"));
6570
6571 err = brcmf_dongle_roam(ifp);
6572 if (err)
6573 goto default_conf_out;
6574 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
6575 NULL);
6576 if (err)
6577 goto default_conf_out;
6578
6579 brcmf_configure_arp_nd_offload(ifp, true);
6580
6581 cfg->dongle_up = true;
6582default_conf_out:
6583
6584 return err;
6585
6586}
6587
6588static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
6589{
6590 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
6591
6592 return brcmf_config_dongle(ifp->drvr->config);
6593}
6594
6595static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
6596{
6597 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
6598
6599
6600
6601
6602
6603 if (check_vif_up(ifp->vif)) {
6604 brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED);
6605
6606
6607
6608
6609
6610 brcmf_delay(500);
6611 }
6612
6613 brcmf_abort_scanning(cfg);
6614 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
6615
6616 return 0;
6617}
6618
6619s32 brcmf_cfg80211_up(struct net_device *ndev)
6620{
6621 struct brcmf_if *ifp = netdev_priv(ndev);
6622 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
6623 s32 err = 0;
6624
6625 mutex_lock(&cfg->usr_sync);
6626 err = __brcmf_cfg80211_up(ifp);
6627 mutex_unlock(&cfg->usr_sync);
6628
6629 return err;
6630}
6631
6632s32 brcmf_cfg80211_down(struct net_device *ndev)
6633{
6634 struct brcmf_if *ifp = netdev_priv(ndev);
6635 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
6636 s32 err = 0;
6637
6638 mutex_lock(&cfg->usr_sync);
6639 err = __brcmf_cfg80211_down(ifp);
6640 mutex_unlock(&cfg->usr_sync);
6641
6642 return err;
6643}
6644
6645enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
6646{
6647 struct wireless_dev *wdev = &ifp->vif->wdev;
6648
6649 return wdev->iftype;
6650}
6651
6652bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
6653 unsigned long state)
6654{
6655 struct brcmf_cfg80211_vif *vif;
6656
6657 list_for_each_entry(vif, &cfg->vif_list, list) {
6658 if (test_bit(state, &vif->sme_state))
6659 return true;
6660 }
6661 return false;
6662}
6663
6664static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
6665 u8 action)
6666{
6667 u8 evt_action;
6668
6669 spin_lock(&event->vif_event_lock);
6670 evt_action = event->action;
6671 spin_unlock(&event->vif_event_lock);
6672 return evt_action == action;
6673}
6674
6675void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
6676 struct brcmf_cfg80211_vif *vif)
6677{
6678 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6679
6680 spin_lock(&event->vif_event_lock);
6681 event->vif = vif;
6682 event->action = 0;
6683 spin_unlock(&event->vif_event_lock);
6684}
6685
6686bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
6687{
6688 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6689 bool armed;
6690
6691 spin_lock(&event->vif_event_lock);
6692 armed = event->vif != NULL;
6693 spin_unlock(&event->vif_event_lock);
6694
6695 return armed;
6696}
6697
6698int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg,
6699 u8 action, ulong timeout)
6700{
6701 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6702
6703 return wait_event_timeout(event->vif_wq,
6704 vif_event_equals(event, action), timeout);
6705}
6706
6707static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2],
6708 struct brcmf_fil_country_le *ccreq)
6709{
6710 struct brcmfmac_pd_cc *country_codes;
6711 struct brcmfmac_pd_cc_entry *cc;
6712 s32 found_index;
6713 int i;
6714
6715 country_codes = drvr->settings->country_codes;
6716 if (!country_codes) {
6717 brcmf_dbg(TRACE, "No country codes configured for device\n");
6718 return -EINVAL;
6719 }
6720
6721 if ((alpha2[0] == ccreq->country_abbrev[0]) &&
6722 (alpha2[1] == ccreq->country_abbrev[1])) {
6723 brcmf_dbg(TRACE, "Country code already set\n");
6724 return -EAGAIN;
6725 }
6726
6727 found_index = -1;
6728 for (i = 0; i < country_codes->table_size; i++) {
6729 cc = &country_codes->table[i];
6730 if ((cc->iso3166[0] == '\0') && (found_index == -1))
6731 found_index = i;
6732 if ((cc->iso3166[0] == alpha2[0]) &&
6733 (cc->iso3166[1] == alpha2[1])) {
6734 found_index = i;
6735 break;
6736 }
6737 }
6738 if (found_index == -1) {
6739 brcmf_dbg(TRACE, "No country code match found\n");
6740 return -EINVAL;
6741 }
6742 memset(ccreq, 0, sizeof(*ccreq));
6743 ccreq->rev = cpu_to_le32(country_codes->table[found_index].rev);
6744 memcpy(ccreq->ccode, country_codes->table[found_index].cc,
6745 BRCMF_COUNTRY_BUF_SZ);
6746 ccreq->country_abbrev[0] = alpha2[0];
6747 ccreq->country_abbrev[1] = alpha2[1];
6748 ccreq->country_abbrev[2] = 0;
6749
6750 return 0;
6751}
6752
6753static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
6754 struct regulatory_request *req)
6755{
6756 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
6757 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
6758 struct brcmf_fil_country_le ccreq;
6759 s32 err;
6760 int i;
6761
6762
6763 if (req->alpha2[0] == '0' && req->alpha2[1] == '0')
6764 return;
6765
6766
6767 for (i = 0; i < sizeof(req->alpha2); i++)
6768 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
6769 brcmf_err("not a ISO3166 code (0x%02x 0x%02x)\n",
6770 req->alpha2[0], req->alpha2[1]);
6771 return;
6772 }
6773
6774 brcmf_dbg(TRACE, "Enter: initiator=%d, alpha=%c%c\n", req->initiator,
6775 req->alpha2[0], req->alpha2[1]);
6776
6777 err = brcmf_fil_iovar_data_get(ifp, "country", &ccreq, sizeof(ccreq));
6778 if (err) {
6779 brcmf_err("Country code iovar returned err = %d\n", err);
6780 return;
6781 }
6782
6783 err = brcmf_translate_country_code(ifp->drvr, req->alpha2, &ccreq);
6784 if (err)
6785 return;
6786
6787 err = brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq));
6788 if (err) {
6789 brcmf_err("Firmware rejected country setting\n");
6790 return;
6791 }
6792 brcmf_setup_wiphybands(wiphy);
6793}
6794
6795static void brcmf_free_wiphy(struct wiphy *wiphy)
6796{
6797 int i;
6798
6799 if (!wiphy)
6800 return;
6801
6802 if (wiphy->iface_combinations) {
6803 for (i = 0; i < wiphy->n_iface_combinations; i++)
6804 kfree(wiphy->iface_combinations[i].limits);
6805 }
6806 kfree(wiphy->iface_combinations);
6807 if (wiphy->bands[NL80211_BAND_2GHZ]) {
6808 kfree(wiphy->bands[NL80211_BAND_2GHZ]->channels);
6809 kfree(wiphy->bands[NL80211_BAND_2GHZ]);
6810 }
6811 if (wiphy->bands[NL80211_BAND_5GHZ]) {
6812 kfree(wiphy->bands[NL80211_BAND_5GHZ]->channels);
6813 kfree(wiphy->bands[NL80211_BAND_5GHZ]);
6814 }
6815#if IS_ENABLED(CONFIG_PM)
6816 if (wiphy->wowlan != &brcmf_wowlan_support)
6817 kfree(wiphy->wowlan);
6818#endif
6819 wiphy_free(wiphy);
6820}
6821
6822struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
6823 struct device *busdev,
6824 bool p2pdev_forced)
6825{
6826 struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev;
6827 struct brcmf_cfg80211_info *cfg;
6828 struct wiphy *wiphy;
6829 struct cfg80211_ops *ops;
6830 struct brcmf_cfg80211_vif *vif;
6831 struct brcmf_if *ifp;
6832 s32 err = 0;
6833 s32 io_type;
6834 u16 *cap = NULL;
6835
6836 if (!ndev) {
6837 brcmf_err("ndev is invalid\n");
6838 return NULL;
6839 }
6840
6841 ops = kmemdup(&brcmf_cfg80211_ops, sizeof(*ops), GFP_KERNEL);
6842 if (!ops)
6843 return NULL;
6844
6845 ifp = netdev_priv(ndev);
6846#ifdef CONFIG_PM
6847 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK))
6848 ops->set_rekey_data = brcmf_cfg80211_set_rekey_data;
6849#endif
6850 wiphy = wiphy_new(ops, sizeof(struct brcmf_cfg80211_info));
6851 if (!wiphy) {
6852 brcmf_err("Could not allocate wiphy device\n");
6853 return NULL;
6854 }
6855 memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN);
6856 set_wiphy_dev(wiphy, busdev);
6857
6858 cfg = wiphy_priv(wiphy);
6859 cfg->wiphy = wiphy;
6860 cfg->ops = ops;
6861 cfg->pub = drvr;
6862 init_vif_event(&cfg->vif_event);
6863 INIT_LIST_HEAD(&cfg->vif_list);
6864
6865 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION);
6866 if (IS_ERR(vif))
6867 goto wiphy_out;
6868
6869 vif->ifp = ifp;
6870 vif->wdev.netdev = ndev;
6871 ndev->ieee80211_ptr = &vif->wdev;
6872 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
6873
6874 err = wl_init_priv(cfg);
6875 if (err) {
6876 brcmf_err("Failed to init iwm_priv (%d)\n", err);
6877 brcmf_free_vif(vif);
6878 goto wiphy_out;
6879 }
6880 ifp->vif = vif;
6881
6882
6883 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
6884 if (err) {
6885 brcmf_err("Failed to get D11 version (%d)\n", err);
6886 goto priv_out;
6887 }
6888 cfg->d11inf.io_type = (u8)io_type;
6889 brcmu_d11_attach(&cfg->d11inf);
6890
6891 err = brcmf_setup_wiphy(wiphy, ifp);
6892 if (err < 0)
6893 goto priv_out;
6894
6895 brcmf_dbg(INFO, "Registering custom regulatory\n");
6896 wiphy->reg_notifier = brcmf_cfg80211_reg_notifier;
6897 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
6898 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
6899
6900
6901
6902
6903
6904 if (wiphy->bands[NL80211_BAND_2GHZ]) {
6905 cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap.cap;
6906 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6907 }
6908 err = wiphy_register(wiphy);
6909 if (err < 0) {
6910 brcmf_err("Could not register wiphy device (%d)\n", err);
6911 goto priv_out;
6912 }
6913
6914 err = brcmf_setup_wiphybands(wiphy);
6915 if (err) {
6916 brcmf_err("Setting wiphy bands failed (%d)\n", err);
6917 goto wiphy_unreg_out;
6918 }
6919
6920
6921
6922
6923 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
6924 err = brcmf_enable_bw40_2g(cfg);
6925 if (!err)
6926 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
6927 BRCMF_OBSS_COEX_AUTO);
6928 else
6929 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6930 }
6931
6932
6933
6934
6935
6936 drvr->config = cfg;
6937 err = brcmf_fweh_activate_events(ifp);
6938 if (err) {
6939 brcmf_err("FWEH activation failed (%d)\n", err);
6940 goto wiphy_unreg_out;
6941 }
6942
6943 err = brcmf_p2p_attach(cfg, p2pdev_forced);
6944 if (err) {
6945 brcmf_err("P2P initialisation failed (%d)\n", err);
6946 goto wiphy_unreg_out;
6947 }
6948 err = brcmf_btcoex_attach(cfg);
6949 if (err) {
6950 brcmf_err("BT-coex initialisation failed (%d)\n", err);
6951 brcmf_p2p_detach(&cfg->p2p);
6952 goto wiphy_unreg_out;
6953 }
6954
6955 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) {
6956 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
6957 if (err) {
6958 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
6959 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
6960 } else {
6961 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
6962 brcmf_notify_tdls_peer_event);
6963 }
6964 }
6965
6966
6967 err = brcmf_fweh_activate_events(ifp);
6968 if (err) {
6969 brcmf_err("FWEH activation failed (%d)\n", err);
6970 goto detach;
6971 }
6972
6973
6974 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) {
6975 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
6976#ifdef CONFIG_PM
6977 if (wiphy->wowlan &&
6978 wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT)
6979 wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
6980#endif
6981 }
6982
6983 return cfg;
6984
6985detach:
6986 brcmf_btcoex_detach(cfg);
6987 brcmf_p2p_detach(&cfg->p2p);
6988wiphy_unreg_out:
6989 wiphy_unregister(cfg->wiphy);
6990priv_out:
6991 wl_deinit_priv(cfg);
6992 brcmf_free_vif(vif);
6993 ifp->vif = NULL;
6994wiphy_out:
6995 brcmf_free_wiphy(wiphy);
6996 kfree(ops);
6997 return NULL;
6998}
6999
7000void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
7001{
7002 if (!cfg)
7003 return;
7004
7005 brcmf_btcoex_detach(cfg);
7006 wiphy_unregister(cfg->wiphy);
7007 kfree(cfg->ops);
7008 wl_deinit_priv(cfg);
7009 brcmf_free_wiphy(cfg->wiphy);
7010}
7011