2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */
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>
26 #include <brcmu_utils.h>
28 #include <brcmu_wifi.h>
31 #include "tracepoint.h"
32 #include "fwil_types.h"
44 #define BRCMF_SCAN_IE_LEN_MAX 2048
46 #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
47 #define WPA_OUI_TYPE 1
48 #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
49 #define WME_OUI_TYPE 2
50 #define WPS_OUI_TYPE 4
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
57 #define WPA_CIPHER_NONE 0 /* None */
58 #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
59 #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
60 #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
61 #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
63 #define RSN_AKM_NONE 0 /* None (IBSS) */
64 #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
65 #define RSN_AKM_PSK 2 /* Pre-shared Key */
66 #define RSN_AKM_SHA256_1X 5 /* SHA256, 802.1X */
67 #define RSN_AKM_SHA256_PSK 6 /* SHA256, Pre-shared Key */
68 #define RSN_CAP_LEN 2 /* Length of RSN capabilities */
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
74 #define VNDR_IE_CMD_LEN 4 /* length of the set command
75 * string :"add", "del" (+ NUL)
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
83 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
84 #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
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
90 #define BRCMF_SCAN_CHANNEL_TIME 40
91 #define BRCMF_SCAN_UNASSOC_TIME 40
92 #define BRCMF_SCAN_PASSIVE_TIME 120
94 #define BRCMF_ND_INFO_TIMEOUT msecs_to_jiffies(2000)
96 #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
97 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
99 static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
101 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
102 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
109 #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
110 #define RATETAB_ENT(_rateid, _flags) \
112 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
113 .hw_value = (_rateid), \
117 static 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),
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)
137 #define CHAN2G(_channel, _freq) { \
138 .band = NL80211_BAND_2GHZ, \
139 .center_freq = (_freq), \
140 .hw_value = (_channel), \
141 .max_antenna_gain = 0, \
145 #define CHAN5G(_channel) { \
146 .band = NL80211_BAND_5GHZ, \
147 .center_freq = 5000 + (5 * (_channel)), \
148 .hw_value = (_channel), \
149 .max_antenna_gain = 0, \
153 static 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)
160 static 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)
169 /* Band templates duplicated per wiphy. The channel info
170 * above is added to the band during setup.
172 static 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,
178 static 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,
184 /* This is to override regulatory domains defined in cfg80211 module (reg.c)
185 * By default world regulatory domain defined in reg.c puts the flags
186 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
187 * With respect to these flags, wpa_supplicant doesn't * start p2p
188 * operations on 5GHz channels. All the changes in world regulatory
189 * domain are to be done here.
191 static const struct ieee80211_regdomain brcmf_regdom = {
195 /* IEEE 802.11b/g, channels 1..11 */
196 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
198 /* IEEE 802.11 channel 14 - Only JP enables
199 * this and for 802.11b only
201 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
202 /* IEEE 802.11a, channel 36..64 */
203 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
204 /* IEEE 802.11a, channel 100..165 */
205 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
208 /* Note: brcmf_cipher_suites is an array of int defining which cipher suites
209 * are supported. A pointer to this array and the number of entries is passed
210 * on to upper layers. AES_CMAC defines whether or not the driver supports MFP.
211 * So the cipher suite AES_CMAC has to be the last one in the array, and when
212 * device does not support MFP then the number of suites will be decreased by 1
214 static 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 /* Keep as last entry: */
220 WLAN_CIPHER_SUITE_AES_CMAC
223 /* Vendor specific ie. id = 221, oui and type defines exact ie */
224 struct brcmf_vs_tlv {
231 struct parsed_vndr_ie_info {
233 u32 ie_len; /* total length including id & length field */
234 struct brcmf_vs_tlv vndrie;
237 struct parsed_vndr_ies {
239 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
242 static u8 nl80211_band_to_fwil(enum nl80211_band band)
245 case NL80211_BAND_2GHZ:
247 case NL80211_BAND_5GHZ:
256 static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
257 struct cfg80211_chan_def *ch)
259 struct brcmu_chan ch_inf;
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;
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);
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;
277 ch_inf.sb = BRCMU_CHAN_SB_L;
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;
288 ch_inf.sb = BRCMU_CHAN_SB_UU;
290 case NL80211_CHAN_WIDTH_80P80:
291 case NL80211_CHAN_WIDTH_160:
292 case NL80211_CHAN_WIDTH_5:
293 case NL80211_CHAN_WIDTH_10:
297 switch (ch->chan->band) {
298 case NL80211_BAND_2GHZ:
299 ch_inf.band = BRCMU_CHAN_BAND_2G;
301 case NL80211_BAND_5GHZ:
302 ch_inf.band = BRCMU_CHAN_BAND_5G;
304 case NL80211_BAND_60GHZ:
308 d11inf->encchspec(&ch_inf);
310 return ch_inf.chspec;
313 u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
314 struct ieee80211_channel *ch)
316 struct brcmu_chan ch_inf;
318 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
319 ch_inf.bw = BRCMU_CHAN_BW_20;
320 d11inf->encchspec(&ch_inf);
322 return ch_inf.chspec;
325 /* Traverse a string of 1-byte tag/1-byte length/variable-length value
326 * triples, returning a pointer to the substring whose first element
329 static const struct brcmf_tlv *
330 brcmf_parse_tlvs(const void *buf, int buflen, uint key)
332 const struct brcmf_tlv *elt = buf;
335 /* find tagged parameter */
336 while (totlen >= TLV_HDR_LEN) {
339 /* validate remaining totlen */
340 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
343 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
344 totlen -= (len + TLV_HDR_LEN);
350 /* Is any of the tlvs the expected entry? If
351 * not update the tlvs buffer pointer/length.
354 brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
355 const u8 *oui, u32 oui_len, u8 type)
357 /* If the contents match the OUI and the type */
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]) {
366 /* point to the next ie */
367 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
368 /* calculate the length of the rest of the buffer */
369 *tlvs_len -= (int)(ie - *tlvs);
370 /* update the pointer to the start of the buffer */
376 static struct brcmf_vs_tlv *
377 brcmf_find_wpaie(const u8 *parse, u32 len)
379 const struct brcmf_tlv *ie;
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;
389 static struct brcmf_vs_tlv *
390 brcmf_find_wpsie(const u8 *parse, u32 len)
392 const struct brcmf_tlv *ie;
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;
402 static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg,
403 struct brcmf_cfg80211_vif *vif,
404 enum nl80211_iftype new_type)
406 struct brcmf_cfg80211_vif *pos;
407 bool check_combos = false;
409 struct iface_combination_params params = {
410 .num_different_channels = 1,
413 list_for_each_entry(pos, &cfg->vif_list, list)
415 params.iftype_num[new_type]++;
417 /* concurrent interfaces so need check combinations */
419 params.iftype_num[pos->wdev.iftype]++;
423 ret = cfg80211_check_combinations(cfg->wiphy, ¶ms);
428 static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg,
429 enum nl80211_iftype new_type)
431 struct brcmf_cfg80211_vif *pos;
432 struct iface_combination_params params = {
433 .num_different_channels = 1,
436 list_for_each_entry(pos, &cfg->vif_list, list)
437 params.iftype_num[pos->wdev.iftype]++;
439 params.iftype_num[new_type]++;
440 return cfg80211_check_combinations(cfg->wiphy, ¶ms);
443 static void convert_key_from_CPU(struct brcmf_wsec_key *key,
444 struct brcmf_wsec_key_le *key_le)
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));
458 send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
461 struct brcmf_wsec_key_le key_le;
463 convert_key_from_CPU(key, &key_le);
465 brcmf_netdev_wait_pend8021x(ifp);
467 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le,
471 brcmf_err("wsec_key error (%d)\n", err);
476 brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
478 struct brcmf_cfg80211_vif *vif;
479 struct brcmf_if *ifp;
481 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
484 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
485 (wdev->iftype == NL80211_IFTYPE_AP) ||
486 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
487 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
490 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
494 static int brcmf_get_first_free_bsscfgidx(struct brcmf_pub *drvr)
498 for (bsscfgidx = 0; bsscfgidx < BRCMF_MAX_IFS; bsscfgidx++) {
499 /* bsscfgidx 1 is reserved for legacy P2P */
502 if (!drvr->iflist[bsscfgidx])
509 static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
511 struct brcmf_mbss_ssid_le mbss_ssid_le;
515 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
516 bsscfgidx = brcmf_get_first_free_bsscfgidx(ifp->drvr);
520 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
521 mbss_ssid_le.SSID_len = cpu_to_le32(5);
522 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
524 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
525 sizeof(mbss_ssid_le));
527 brcmf_err("setting ssid failed %d\n", err);
533 * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS
535 * @wiphy: wiphy device of new interface.
536 * @name: name of the new interface.
537 * @params: contains mac address for AP device.
540 struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
541 struct vif_params *params)
543 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
544 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
545 struct brcmf_cfg80211_vif *vif;
548 if (brcmf_cfg80211_vif_event_armed(cfg))
549 return ERR_PTR(-EBUSY);
551 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
553 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP);
555 return (struct wireless_dev *)vif;
557 brcmf_cfg80211_arm_vif_event(cfg, vif);
559 err = brcmf_cfg80211_request_ap_if(ifp);
561 brcmf_cfg80211_arm_vif_event(cfg, NULL);
565 /* wait for firmware event */
566 err = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_ADD,
567 BRCMF_VIF_EVENT_TIMEOUT);
568 brcmf_cfg80211_arm_vif_event(cfg, NULL);
570 brcmf_err("timeout occurred\n");
575 /* interface created in firmware */
578 brcmf_err("no if pointer provided\n");
583 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
584 err = brcmf_net_attach(ifp, true);
586 brcmf_err("Registering netdevice failed\n");
587 free_netdev(ifp->ndev);
591 return &ifp->vif->wdev;
598 static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
600 enum nl80211_iftype iftype;
602 iftype = vif->wdev.iftype;
603 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
606 static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
608 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
611 static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
613 unsigned char name_assign_type,
614 enum nl80211_iftype type,
615 struct vif_params *params)
617 struct wireless_dev *wdev;
620 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
621 err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type);
623 brcmf_err("iface validation failed: err=%d\n", err);
627 case NL80211_IFTYPE_ADHOC:
628 case NL80211_IFTYPE_STATION:
629 case NL80211_IFTYPE_AP_VLAN:
630 case NL80211_IFTYPE_WDS:
631 case NL80211_IFTYPE_MONITOR:
632 case NL80211_IFTYPE_MESH_POINT:
633 return ERR_PTR(-EOPNOTSUPP);
634 case NL80211_IFTYPE_AP:
635 wdev = brcmf_ap_add_vif(wiphy, name, params);
637 case NL80211_IFTYPE_P2P_CLIENT:
638 case NL80211_IFTYPE_P2P_GO:
639 case NL80211_IFTYPE_P2P_DEVICE:
640 wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, params);
642 case NL80211_IFTYPE_UNSPECIFIED:
644 return ERR_PTR(-EINVAL);
648 brcmf_err("add iface %s type %d failed: err=%d\n",
649 name, type, (int)PTR_ERR(wdev));
651 brcmf_cfg80211_update_proto_addr_mode(wdev);
656 static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
658 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
659 brcmf_set_mpc(ifp, mpc);
662 void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
666 if (check_vif_up(ifp->vif)) {
667 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
669 brcmf_err("fail to set mpc\n");
672 brcmf_dbg(INFO, "MPC : %d\n", mpc);
676 s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
677 struct brcmf_if *ifp, bool aborted,
680 struct brcmf_scan_params_le params_le;
681 struct cfg80211_scan_request *scan_request;
686 brcmf_dbg(SCAN, "Enter\n");
688 /* clear scan request, because the FW abort can cause a second call */
689 /* to this functon and might cause a double cfg80211_scan_done */
690 scan_request = cfg->scan_request;
691 cfg->scan_request = NULL;
693 if (timer_pending(&cfg->escan_timeout))
694 del_timer_sync(&cfg->escan_timeout);
697 /* Do a scan abort to stop the driver's scan engine */
698 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
699 memset(¶ms_le, 0, sizeof(params_le));
700 eth_broadcast_addr(params_le.bssid);
701 params_le.bss_type = DOT11_BSSTYPE_ANY;
702 params_le.scan_type = 0;
703 params_le.channel_num = cpu_to_le32(1);
704 params_le.nprobes = cpu_to_le32(1);
705 params_le.active_time = cpu_to_le32(-1);
706 params_le.passive_time = cpu_to_le32(-1);
707 params_le.home_time = cpu_to_le32(-1);
708 /* Scan is aborted by setting channel_list[0] to -1 */
709 params_le.channel_list[0] = cpu_to_le16(-1);
710 /* E-Scan (or anyother type) can be aborted by SCAN */
711 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
712 ¶ms_le, sizeof(params_le));
714 brcmf_err("Scan abort failed\n");
717 brcmf_scan_config_mpc(ifp, 1);
720 * e-scan can be initiated internally
721 * which takes precedence.
723 if (cfg->int_escan_map) {
724 brcmf_dbg(SCAN, "scheduled scan completed (%x)\n",
726 while (cfg->int_escan_map) {
727 bucket = __ffs(cfg->int_escan_map);
728 cfg->int_escan_map &= ~BIT(bucket);
729 reqid = brcmf_pno_find_reqid_by_bucket(cfg->pno,
732 brcmf_dbg(SCAN, "report results: reqid=%llu\n",
734 cfg80211_sched_scan_results(cfg_to_wiphy(cfg),
738 } else if (scan_request) {
739 struct cfg80211_scan_info info = {
743 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
744 aborted ? "Aborted" : "Done");
745 cfg80211_scan_done(scan_request, &info);
747 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
748 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
753 static int brcmf_cfg80211_del_ap_iface(struct wiphy *wiphy,
754 struct wireless_dev *wdev)
756 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
757 struct net_device *ndev = wdev->netdev;
758 struct brcmf_if *ifp = netdev_priv(ndev);
762 brcmf_cfg80211_arm_vif_event(cfg, ifp->vif);
764 err = brcmf_fil_bsscfg_data_set(ifp, "interface_remove", NULL, 0);
766 brcmf_err("interface_remove failed %d\n", err);
770 /* wait for firmware event */
771 ret = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_DEL,
772 BRCMF_VIF_EVENT_TIMEOUT);
774 brcmf_err("timeout occurred\n");
779 brcmf_remove_interface(ifp, true);
782 brcmf_cfg80211_arm_vif_event(cfg, NULL);
787 int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
789 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
790 struct net_device *ndev = wdev->netdev;
792 if (ndev && ndev == cfg_to_ndev(cfg))
795 /* vif event pending in firmware */
796 if (brcmf_cfg80211_vif_event_armed(cfg))
800 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
801 cfg->escan_info.ifp == netdev_priv(ndev))
802 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
805 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
808 switch (wdev->iftype) {
809 case NL80211_IFTYPE_ADHOC:
810 case NL80211_IFTYPE_STATION:
811 case NL80211_IFTYPE_AP_VLAN:
812 case NL80211_IFTYPE_WDS:
813 case NL80211_IFTYPE_MONITOR:
814 case NL80211_IFTYPE_MESH_POINT:
816 case NL80211_IFTYPE_AP:
817 return brcmf_cfg80211_del_ap_iface(wiphy, wdev);
818 case NL80211_IFTYPE_P2P_CLIENT:
819 case NL80211_IFTYPE_P2P_GO:
820 case NL80211_IFTYPE_P2P_DEVICE:
821 return brcmf_p2p_del_vif(wiphy, wdev);
822 case NL80211_IFTYPE_UNSPECIFIED:
830 brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
831 enum nl80211_iftype type,
832 struct vif_params *params)
834 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
835 struct brcmf_if *ifp = netdev_priv(ndev);
836 struct brcmf_cfg80211_vif *vif = ifp->vif;
841 brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, type=%d\n", ifp->bsscfgidx,
844 /* WAR: There are a number of p2p interface related problems which
845 * need to be handled initially (before doing the validate).
846 * wpa_supplicant tends to do iface changes on p2p device/client/go
847 * which are not always possible/allowed. However we need to return
848 * OK otherwise the wpa_supplicant wont start. The situation differs
849 * on configuration and setup (p2pon=1 module param). The first check
850 * is to see if the request is a change to station for p2p iface.
852 if ((type == NL80211_IFTYPE_STATION) &&
853 ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
854 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) ||
855 (vif->wdev.iftype == NL80211_IFTYPE_P2P_DEVICE))) {
856 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
857 /* Now depending on whether module param p2pon=1 was used the
858 * response needs to be either 0 or EOPNOTSUPP. The reason is
859 * that if p2pon=1 is used, but a newer supplicant is used then
860 * we should return an error, as this combination wont work.
861 * In other situations 0 is returned and supplicant will start
862 * normally. It will give a trace in cfg80211, but it is the
863 * only way to get it working. Unfortunately this will result
864 * in situation where we wont support new supplicant in
865 * combination with module param p2pon=1, but that is the way
866 * it is. If the user tries this then unloading of driver might
869 if (cfg->p2p.p2pdev_dynamically)
874 err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type);
876 brcmf_err("iface validation failed: err=%d\n", err);
880 case NL80211_IFTYPE_MONITOR:
881 case NL80211_IFTYPE_WDS:
882 brcmf_err("type (%d) : currently we do not support this type\n",
885 case NL80211_IFTYPE_ADHOC:
888 case NL80211_IFTYPE_STATION:
891 case NL80211_IFTYPE_AP:
892 case NL80211_IFTYPE_P2P_GO:
901 if (type == NL80211_IFTYPE_P2P_GO) {
902 brcmf_dbg(INFO, "IF Type = P2P GO\n");
903 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
906 brcmf_dbg(INFO, "IF Type = AP\n");
909 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
911 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
915 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
918 ndev->ieee80211_ptr->iftype = type;
920 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
923 brcmf_dbg(TRACE, "Exit\n");
928 static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
929 struct brcmf_scan_params_le *params_le,
930 struct cfg80211_scan_request *request)
938 struct brcmf_ssid_le ssid_le;
940 eth_broadcast_addr(params_le->bssid);
941 params_le->bss_type = DOT11_BSSTYPE_ANY;
942 params_le->scan_type = BRCMF_SCANTYPE_ACTIVE;
943 params_le->channel_num = 0;
944 params_le->nprobes = cpu_to_le32(-1);
945 params_le->active_time = cpu_to_le32(-1);
946 params_le->passive_time = cpu_to_le32(-1);
947 params_le->home_time = cpu_to_le32(-1);
948 memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le));
950 n_ssids = request->n_ssids;
951 n_channels = request->n_channels;
953 /* Copy channel array if applicable */
954 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
956 if (n_channels > 0) {
957 for (i = 0; i < n_channels; i++) {
958 chanspec = channel_to_chanspec(&cfg->d11inf,
959 request->channels[i]);
960 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
961 request->channels[i]->hw_value, chanspec);
962 params_le->channel_list[i] = cpu_to_le16(chanspec);
965 brcmf_dbg(SCAN, "Scanning all channels\n");
967 /* Copy ssid array if applicable */
968 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
970 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
971 n_channels * sizeof(u16);
972 offset = roundup(offset, sizeof(u32));
973 ptr = (char *)params_le + offset;
974 for (i = 0; i < n_ssids; i++) {
975 memset(&ssid_le, 0, sizeof(ssid_le));
977 cpu_to_le32(request->ssids[i].ssid_len);
978 memcpy(ssid_le.SSID, request->ssids[i].ssid,
979 request->ssids[i].ssid_len);
980 if (!ssid_le.SSID_len)
981 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
983 brcmf_dbg(SCAN, "%d: scan for %.32s size=%d\n",
984 i, ssid_le.SSID, ssid_le.SSID_len);
985 memcpy(ptr, &ssid_le, sizeof(ssid_le));
986 ptr += sizeof(ssid_le);
989 brcmf_dbg(SCAN, "Performing passive scan\n");
990 params_le->scan_type = BRCMF_SCANTYPE_PASSIVE;
992 /* Adding mask to channel numbers */
993 params_le->channel_num =
994 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
995 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
999 brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
1000 struct cfg80211_scan_request *request)
1002 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
1003 offsetof(struct brcmf_escan_params_le, params_le);
1004 struct brcmf_escan_params_le *params;
1007 brcmf_dbg(SCAN, "E-SCAN START\n");
1009 if (request != NULL) {
1010 /* Allocate space for populating ssids in struct */
1011 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
1013 /* Allocate space for populating ssids in struct */
1014 params_size += sizeof(struct brcmf_ssid_le) * request->n_ssids;
1017 params = kzalloc(params_size, GFP_KERNEL);
1022 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
1023 brcmf_escan_prep(cfg, ¶ms->params_le, request);
1024 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
1025 params->action = cpu_to_le16(WL_ESCAN_ACTION_START);
1026 params->sync_id = cpu_to_le16(0x1234);
1028 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
1031 brcmf_dbg(INFO, "system busy : escan canceled\n");
1033 brcmf_err("error (%d)\n", err);
1042 brcmf_do_escan(struct brcmf_if *ifp, struct cfg80211_scan_request *request)
1044 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
1046 struct brcmf_scan_results *results;
1047 struct escan_info *escan = &cfg->escan_info;
1049 brcmf_dbg(SCAN, "Enter\n");
1051 escan->wiphy = cfg->wiphy;
1052 escan->escan_state = WL_ESCAN_STATE_SCANNING;
1054 brcmf_scan_config_mpc(ifp, 0);
1055 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
1056 results->version = 0;
1058 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
1060 err = escan->run(cfg, ifp, request);
1062 brcmf_scan_config_mpc(ifp, 1);
1067 brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
1069 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1070 struct brcmf_cfg80211_vif *vif;
1073 brcmf_dbg(TRACE, "Enter\n");
1074 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1075 if (!check_vif_up(vif))
1078 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
1079 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
1082 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
1083 brcmf_err("Scanning being aborted: status (%lu)\n",
1087 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
1088 brcmf_err("Scanning suppressed: status (%lu)\n",
1092 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state)) {
1093 brcmf_err("Connecting: status (%lu)\n", vif->sme_state);
1097 /* If scan req comes for p2p0, send it over primary I/F */
1098 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
1099 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
1101 brcmf_dbg(SCAN, "START ESCAN\n");
1103 cfg->scan_request = request;
1104 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
1106 cfg->escan_info.run = brcmf_run_escan;
1107 err = brcmf_p2p_scan_prep(wiphy, request, vif);
1111 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG,
1112 request->ie, request->ie_len);
1116 err = brcmf_do_escan(vif->ifp, request);
1120 /* Arm scan timeout timer */
1121 mod_timer(&cfg->escan_timeout,
1122 jiffies + msecs_to_jiffies(BRCMF_ESCAN_TIMER_INTERVAL_MS));
1127 brcmf_err("scan error (%d)\n", err);
1128 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
1129 cfg->scan_request = NULL;
1133 static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1137 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1140 brcmf_err("Error (%d)\n", err);
1145 static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1149 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1152 brcmf_err("Error (%d)\n", err);
1157 static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1160 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
1162 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
1164 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
1170 static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1172 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1173 struct net_device *ndev = cfg_to_ndev(cfg);
1174 struct brcmf_if *ifp = netdev_priv(ndev);
1177 brcmf_dbg(TRACE, "Enter\n");
1178 if (!check_vif_up(ifp->vif))
1181 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
1182 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1183 cfg->conf->rts_threshold = wiphy->rts_threshold;
1184 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
1188 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
1189 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1190 cfg->conf->frag_threshold = wiphy->frag_threshold;
1191 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
1195 if (changed & WIPHY_PARAM_RETRY_LONG
1196 && (cfg->conf->retry_long != wiphy->retry_long)) {
1197 cfg->conf->retry_long = wiphy->retry_long;
1198 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
1202 if (changed & WIPHY_PARAM_RETRY_SHORT
1203 && (cfg->conf->retry_short != wiphy->retry_short)) {
1204 cfg->conf->retry_short = wiphy->retry_short;
1205 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
1211 brcmf_dbg(TRACE, "Exit\n");
1215 static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1217 memset(prof, 0, sizeof(*prof));
1220 static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e)
1224 switch (e->event_code) {
1225 case BRCMF_E_DEAUTH:
1226 case BRCMF_E_DEAUTH_IND:
1227 case BRCMF_E_DISASSOC_IND:
1238 static int brcmf_set_pmk(struct brcmf_if *ifp, const u8 *pmk_data, u16 pmk_len)
1240 struct brcmf_wsec_pmk_le pmk;
1243 /* convert to firmware key format */
1244 pmk.key_len = cpu_to_le16(pmk_len << 1);
1245 pmk.flags = cpu_to_le16(BRCMF_WSEC_PASSPHRASE);
1246 for (i = 0; i < pmk_len; i++)
1247 snprintf(&pmk.key[2 * i], 3, "%02x", pmk_data[i]);
1249 /* store psk in firmware */
1250 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_WSEC_PMK,
1253 brcmf_err("failed to change PSK in firmware (len=%u)\n",
1259 static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason)
1261 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
1264 brcmf_dbg(TRACE, "Enter\n");
1266 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
1267 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
1268 err = brcmf_fil_cmd_data_set(vif->ifp,
1269 BRCMF_C_DISASSOC, NULL, 0);
1271 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
1273 if ((vif->wdev.iftype == NL80211_IFTYPE_STATION) ||
1274 (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT))
1275 cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0,
1278 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
1279 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1280 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
1281 if (vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_NONE) {
1282 brcmf_set_pmk(vif->ifp, NULL, 0);
1283 vif->profile.use_fwsup = BRCMF_PROFILE_FWSUP_NONE;
1285 brcmf_dbg(TRACE, "Exit\n");
1289 brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1290 struct cfg80211_ibss_params *params)
1292 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1293 struct brcmf_if *ifp = netdev_priv(ndev);
1294 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1295 struct brcmf_join_params join_params;
1296 size_t join_params_size = 0;
1303 brcmf_dbg(TRACE, "Enter\n");
1304 if (!check_vif_up(ifp->vif))
1308 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
1310 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
1314 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1317 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
1319 brcmf_dbg(CONN, "No BSSID specified\n");
1321 if (params->chandef.chan)
1322 brcmf_dbg(CONN, "channel: %d\n",
1323 params->chandef.chan->center_freq);
1325 brcmf_dbg(CONN, "no channel specified\n");
1327 if (params->channel_fixed)
1328 brcmf_dbg(CONN, "fixed channel required\n");
1330 brcmf_dbg(CONN, "no fixed channel required\n");
1332 if (params->ie && params->ie_len)
1333 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
1335 brcmf_dbg(CONN, "no ie specified\n");
1337 if (params->beacon_interval)
1338 brcmf_dbg(CONN, "beacon interval: %d\n",
1339 params->beacon_interval);
1341 brcmf_dbg(CONN, "no beacon interval specified\n");
1343 if (params->basic_rates)
1344 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
1346 brcmf_dbg(CONN, "no basic rates specified\n");
1348 if (params->privacy)
1349 brcmf_dbg(CONN, "privacy required\n");
1351 brcmf_dbg(CONN, "no privacy required\n");
1353 /* Configure Privacy for starter */
1354 if (params->privacy)
1355 wsec |= WEP_ENABLED;
1357 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
1359 brcmf_err("wsec failed (%d)\n", err);
1363 /* Configure Beacon Interval for starter */
1364 if (params->beacon_interval)
1365 bcnprd = params->beacon_interval;
1369 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
1371 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
1375 /* Configure required join parameter */
1376 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1379 ssid_len = min_t(u32, params->ssid_len, IEEE80211_MAX_SSID_LEN);
1380 memcpy(join_params.ssid_le.SSID, params->ssid, ssid_len);
1381 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len);
1382 join_params_size = sizeof(join_params.ssid_le);
1385 if (params->bssid) {
1386 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1387 join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE;
1388 memcpy(profile->bssid, params->bssid, ETH_ALEN);
1390 eth_broadcast_addr(join_params.params_le.bssid);
1391 eth_zero_addr(profile->bssid);
1395 if (params->chandef.chan) {
1399 ieee80211_frequency_to_channel(
1400 params->chandef.chan->center_freq);
1401 if (params->channel_fixed) {
1402 /* adding chanspec */
1403 chanspec = chandef_to_chanspec(&cfg->d11inf,
1405 join_params.params_le.chanspec_list[0] =
1406 cpu_to_le16(chanspec);
1407 join_params.params_le.chanspec_num = cpu_to_le32(1);
1408 join_params_size += sizeof(join_params.params_le);
1411 /* set channel for starter */
1412 target_channel = cfg->channel;
1413 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
1416 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
1422 cfg->ibss_starter = false;
1425 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
1426 &join_params, join_params_size);
1428 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
1434 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1435 brcmf_dbg(TRACE, "Exit\n");
1440 brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1442 struct brcmf_if *ifp = netdev_priv(ndev);
1444 brcmf_dbg(TRACE, "Enter\n");
1445 if (!check_vif_up(ifp->vif)) {
1446 /* When driver is being unloaded, it can end up here. If an
1447 * error is returned then later on a debug trace in the wireless
1448 * core module will be printed. To avoid this 0 is returned.
1453 brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING);
1454 brcmf_net_setcarrier(ifp, false);
1456 brcmf_dbg(TRACE, "Exit\n");
1461 static s32 brcmf_set_wpa_version(struct net_device *ndev,
1462 struct cfg80211_connect_params *sme)
1464 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1465 struct brcmf_cfg80211_security *sec;
1469 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1470 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1471 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1472 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1474 val = WPA_AUTH_DISABLED;
1475 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
1476 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
1478 brcmf_err("set wpa_auth failed (%d)\n", err);
1481 sec = &profile->sec;
1482 sec->wpa_versions = sme->crypto.wpa_versions;
1486 static s32 brcmf_set_auth_type(struct net_device *ndev,
1487 struct cfg80211_connect_params *sme)
1489 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1490 struct brcmf_cfg80211_security *sec;
1494 switch (sme->auth_type) {
1495 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1497 brcmf_dbg(CONN, "open system\n");
1499 case NL80211_AUTHTYPE_SHARED_KEY:
1501 brcmf_dbg(CONN, "shared key\n");
1505 brcmf_dbg(CONN, "automatic, auth type (%d)\n", sme->auth_type);
1509 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1511 brcmf_err("set auth failed (%d)\n", err);
1514 sec = &profile->sec;
1515 sec->auth_type = sme->auth_type;
1520 brcmf_set_wsec_mode(struct net_device *ndev,
1521 struct cfg80211_connect_params *sme)
1523 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1524 struct brcmf_cfg80211_security *sec;
1530 if (sme->crypto.n_ciphers_pairwise) {
1531 switch (sme->crypto.ciphers_pairwise[0]) {
1532 case WLAN_CIPHER_SUITE_WEP40:
1533 case WLAN_CIPHER_SUITE_WEP104:
1536 case WLAN_CIPHER_SUITE_TKIP:
1537 pval = TKIP_ENABLED;
1539 case WLAN_CIPHER_SUITE_CCMP:
1542 case WLAN_CIPHER_SUITE_AES_CMAC:
1546 brcmf_err("invalid cipher pairwise (%d)\n",
1547 sme->crypto.ciphers_pairwise[0]);
1551 if (sme->crypto.cipher_group) {
1552 switch (sme->crypto.cipher_group) {
1553 case WLAN_CIPHER_SUITE_WEP40:
1554 case WLAN_CIPHER_SUITE_WEP104:
1557 case WLAN_CIPHER_SUITE_TKIP:
1558 gval = TKIP_ENABLED;
1560 case WLAN_CIPHER_SUITE_CCMP:
1563 case WLAN_CIPHER_SUITE_AES_CMAC:
1567 brcmf_err("invalid cipher group (%d)\n",
1568 sme->crypto.cipher_group);
1573 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
1574 /* In case of privacy, but no security and WPS then simulate */
1575 /* setting AES. WPS-2.0 allows no security */
1576 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1581 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
1583 brcmf_err("error (%d)\n", err);
1587 sec = &profile->sec;
1588 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1589 sec->cipher_group = sme->crypto.cipher_group;
1595 brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1597 struct brcmf_if *ifp = netdev_priv(ndev);
1598 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1601 const struct brcmf_tlv *rsn_ie;
1609 profile->use_fwsup = BRCMF_PROFILE_FWSUP_NONE;
1611 if (!sme->crypto.n_akm_suites)
1614 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), "wpa_auth", &val);
1616 brcmf_err("could not get wpa_auth (%d)\n", err);
1619 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1620 switch (sme->crypto.akm_suites[0]) {
1621 case WLAN_AKM_SUITE_8021X:
1622 val = WPA_AUTH_UNSPECIFIED;
1624 profile->use_fwsup = BRCMF_PROFILE_FWSUP_1X;
1626 case WLAN_AKM_SUITE_PSK:
1630 brcmf_err("invalid cipher group (%d)\n",
1631 sme->crypto.cipher_group);
1634 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1635 switch (sme->crypto.akm_suites[0]) {
1636 case WLAN_AKM_SUITE_8021X:
1637 val = WPA2_AUTH_UNSPECIFIED;
1639 profile->use_fwsup = BRCMF_PROFILE_FWSUP_1X;
1641 case WLAN_AKM_SUITE_8021X_SHA256:
1642 val = WPA2_AUTH_1X_SHA256;
1644 profile->use_fwsup = BRCMF_PROFILE_FWSUP_1X;
1646 case WLAN_AKM_SUITE_PSK_SHA256:
1647 val = WPA2_AUTH_PSK_SHA256;
1649 case WLAN_AKM_SUITE_PSK:
1650 val = WPA2_AUTH_PSK;
1653 brcmf_err("invalid cipher group (%d)\n",
1654 sme->crypto.cipher_group);
1659 if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_1X)
1660 brcmf_dbg(INFO, "using 1X offload\n");
1662 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
1663 goto skip_mfp_config;
1664 /* The MFP mode (1 or 2) needs to be determined, parse IEs. The
1665 * IE will not be verified, just a quick search for MFP config
1667 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, sme->ie_len,
1670 goto skip_mfp_config;
1671 ie = (const u8 *)rsn_ie;
1672 ie_len = rsn_ie->len + TLV_HDR_LEN;
1673 /* Skip unicast suite */
1674 offset = TLV_HDR_LEN + WPA_IE_VERSION_LEN + WPA_IE_MIN_OUI_LEN;
1675 if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len)
1676 goto skip_mfp_config;
1677 /* Skip multicast suite */
1678 count = ie[offset] + (ie[offset + 1] << 8);
1679 offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN);
1680 if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len)
1681 goto skip_mfp_config;
1682 /* Skip auth key management suite(s) */
1683 count = ie[offset] + (ie[offset + 1] << 8);
1684 offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN);
1685 if (offset + WPA_IE_SUITE_COUNT_LEN > ie_len)
1686 goto skip_mfp_config;
1687 /* Ready to read capabilities */
1688 mfp = BRCMF_MFP_NONE;
1689 rsn_cap = ie[offset] + (ie[offset + 1] << 8);
1690 if (rsn_cap & RSN_CAP_MFPR_MASK)
1691 mfp = BRCMF_MFP_REQUIRED;
1692 else if (rsn_cap & RSN_CAP_MFPC_MASK)
1693 mfp = BRCMF_MFP_CAPABLE;
1694 brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "mfp", mfp);
1697 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
1698 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
1700 brcmf_err("could not set wpa_auth (%d)\n", err);
1708 brcmf_set_sharedkey(struct net_device *ndev,
1709 struct cfg80211_connect_params *sme)
1711 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1712 struct brcmf_cfg80211_security *sec;
1713 struct brcmf_wsec_key key;
1717 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
1719 if (sme->key_len == 0)
1722 sec = &profile->sec;
1723 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1724 sec->wpa_versions, sec->cipher_pairwise);
1726 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1729 if (!(sec->cipher_pairwise &
1730 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1733 memset(&key, 0, sizeof(key));
1734 key.len = (u32) sme->key_len;
1735 key.index = (u32) sme->key_idx;
1736 if (key.len > sizeof(key.data)) {
1737 brcmf_err("Too long key length (%u)\n", key.len);
1740 memcpy(key.data, sme->key, key.len);
1741 key.flags = BRCMF_PRIMARY_KEY;
1742 switch (sec->cipher_pairwise) {
1743 case WLAN_CIPHER_SUITE_WEP40:
1744 key.algo = CRYPTO_ALGO_WEP1;
1746 case WLAN_CIPHER_SUITE_WEP104:
1747 key.algo = CRYPTO_ALGO_WEP128;
1750 brcmf_err("Invalid algorithm (%d)\n",
1751 sme->crypto.ciphers_pairwise[0]);
1754 /* Set the new key/index */
1755 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1756 key.len, key.index, key.algo);
1757 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
1758 err = send_key_to_dongle(netdev_priv(ndev), &key);
1762 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
1763 brcmf_dbg(CONN, "set auth_type to shared key\n");
1764 val = WL_AUTH_SHARED_KEY; /* shared key */
1765 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1767 brcmf_err("set auth failed (%d)\n", err);
1773 enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1774 enum nl80211_auth_type type)
1776 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1777 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1778 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1779 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1784 static void brcmf_set_join_pref(struct brcmf_if *ifp,
1785 struct cfg80211_bss_selection *bss_select)
1787 struct brcmf_join_pref_params join_pref_params[2];
1788 enum nl80211_band band;
1791 join_pref_params[i].len = 2;
1792 join_pref_params[i].rssi_gain = 0;
1794 if (bss_select->behaviour != NL80211_BSS_SELECT_ATTR_BAND_PREF)
1795 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_ASSOC_PREFER, WLC_BAND_AUTO);
1797 switch (bss_select->behaviour) {
1798 case __NL80211_BSS_SELECT_ATTR_INVALID:
1799 brcmf_c_set_joinpref_default(ifp);
1801 case NL80211_BSS_SELECT_ATTR_BAND_PREF:
1802 join_pref_params[i].type = BRCMF_JOIN_PREF_BAND;
1803 band = bss_select->param.band_pref;
1804 join_pref_params[i].band = nl80211_band_to_fwil(band);
1807 case NL80211_BSS_SELECT_ATTR_RSSI_ADJUST:
1808 join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI_DELTA;
1809 band = bss_select->param.adjust.band;
1810 join_pref_params[i].band = nl80211_band_to_fwil(band);
1811 join_pref_params[i].rssi_gain = bss_select->param.adjust.delta;
1814 case NL80211_BSS_SELECT_ATTR_RSSI:
1818 join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI;
1819 join_pref_params[i].len = 2;
1820 join_pref_params[i].rssi_gain = 0;
1821 join_pref_params[i].band = 0;
1822 err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params,
1823 sizeof(join_pref_params));
1825 brcmf_err("Set join_pref error (%d)\n", err);
1829 brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
1830 struct cfg80211_connect_params *sme)
1832 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1833 struct brcmf_if *ifp = netdev_priv(ndev);
1834 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1835 struct ieee80211_channel *chan = sme->channel;
1836 struct brcmf_join_params join_params;
1837 size_t join_params_size;
1838 const struct brcmf_tlv *rsn_ie;
1839 const struct brcmf_vs_tlv *wpa_ie;
1842 struct brcmf_ext_join_params_le *ext_join_params;
1847 brcmf_dbg(TRACE, "Enter\n");
1848 if (!check_vif_up(ifp->vif))
1852 brcmf_err("Invalid ssid\n");
1856 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1857 /* A normal (non P2P) connection request setup. */
1860 /* find the WPA_IE */
1861 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1864 ie_len = wpa_ie->len + TLV_HDR_LEN;
1866 /* find the RSN_IE */
1867 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1872 ie_len = rsn_ie->len + TLV_HDR_LEN;
1875 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1878 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1879 sme->ie, sme->ie_len);
1881 brcmf_err("Set Assoc REQ IE Failed\n");
1883 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1885 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1889 ieee80211_frequency_to_channel(chan->center_freq);
1890 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1891 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1892 cfg->channel, chan->center_freq, chanspec);
1898 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
1900 err = brcmf_set_wpa_version(ndev, sme);
1902 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
1906 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
1907 err = brcmf_set_auth_type(ndev, sme);
1909 brcmf_err("wl_set_auth_type failed (%d)\n", err);
1913 err = brcmf_set_wsec_mode(ndev, sme);
1915 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
1919 err = brcmf_set_key_mgmt(ndev, sme);
1921 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
1925 err = brcmf_set_sharedkey(ndev, sme);
1927 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
1931 if (sme->crypto.psk) {
1932 if (WARN_ON(profile->use_fwsup != BRCMF_PROFILE_FWSUP_NONE)) {
1936 brcmf_dbg(INFO, "using PSK offload\n");
1937 profile->use_fwsup = BRCMF_PROFILE_FWSUP_PSK;
1940 if (profile->use_fwsup != BRCMF_PROFILE_FWSUP_NONE) {
1941 /* enable firmware supplicant for this interface */
1942 err = brcmf_fil_iovar_int_set(ifp, "sup_wpa", 1);
1944 brcmf_err("failed to enable fw supplicant\n");
1949 if (profile->use_fwsup == BRCMF_PROFILE_FWSUP_PSK) {
1950 err = brcmf_set_pmk(ifp, sme->crypto.psk,
1951 BRCMF_WSEC_MAX_PSK_LEN);
1956 /* Join with specific BSSID and cached SSID
1957 * If SSID is zero join based on BSSID only
1959 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1960 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1962 join_params_size += sizeof(u16);
1963 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1964 if (ext_join_params == NULL) {
1968 ssid_len = min_t(u32, sme->ssid_len, IEEE80211_MAX_SSID_LEN);
1969 ext_join_params->ssid_le.SSID_len = cpu_to_le32(ssid_len);
1970 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, ssid_len);
1971 if (ssid_len < IEEE80211_MAX_SSID_LEN)
1972 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n",
1973 ext_join_params->ssid_le.SSID, ssid_len);
1975 /* Set up join scan parameters */
1976 ext_join_params->scan_le.scan_type = -1;
1977 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1980 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1982 eth_broadcast_addr(ext_join_params->assoc_le.bssid);
1985 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1987 ext_join_params->assoc_le.chanspec_list[0] =
1988 cpu_to_le16(chanspec);
1989 /* Increase dwell time to receive probe response or detect
1990 * beacon from target AP at a noisy air only during connect
1993 ext_join_params->scan_le.active_time =
1994 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1995 ext_join_params->scan_le.passive_time =
1996 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1997 /* To sync with presence period of VSDB GO send probe request
1998 * more frequently. Probe request will be stopped when it gets
1999 * probe response from target AP/GO.
2001 ext_join_params->scan_le.nprobes =
2002 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
2003 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
2005 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
2006 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
2007 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
2010 brcmf_set_join_pref(ifp, &sme->bss_select);
2012 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
2014 kfree(ext_join_params);
2016 /* This is it. join command worked, we are done */
2019 /* join command failed, fallback to set ssid */
2020 memset(&join_params, 0, sizeof(join_params));
2021 join_params_size = sizeof(join_params.ssid_le);
2023 memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid_len);
2024 join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len);
2027 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
2029 eth_broadcast_addr(join_params.params_le.bssid);
2032 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
2033 join_params.params_le.chanspec_num = cpu_to_le32(1);
2034 join_params_size += sizeof(join_params.params_le);
2036 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
2037 &join_params, join_params_size);
2039 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
2043 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
2044 brcmf_dbg(TRACE, "Exit\n");
2049 brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
2052 struct brcmf_if *ifp = netdev_priv(ndev);
2053 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2054 struct brcmf_scb_val_le scbval;
2057 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
2058 if (!check_vif_up(ifp->vif))
2061 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
2062 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
2063 cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL);
2065 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
2066 scbval.val = cpu_to_le32(reason_code);
2067 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
2068 &scbval, sizeof(scbval));
2070 brcmf_err("error (%d)\n", err);
2072 brcmf_dbg(TRACE, "Exit\n");
2077 brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
2078 enum nl80211_tx_power_setting type, s32 mbm)
2080 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2081 struct net_device *ndev = cfg_to_ndev(cfg);
2082 struct brcmf_if *ifp = netdev_priv(ndev);
2087 brcmf_dbg(TRACE, "Enter %d %d\n", type, mbm);
2088 if (!check_vif_up(ifp->vif))
2092 case NL80211_TX_POWER_AUTOMATIC:
2094 case NL80211_TX_POWER_LIMITED:
2095 case NL80211_TX_POWER_FIXED:
2097 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
2101 qdbm = MBM_TO_DBM(4 * mbm);
2104 qdbm |= WL_TXPWR_OVERRIDE;
2107 brcmf_err("Unsupported type %d\n", type);
2111 /* Make sure radio is off or on as far as software is concerned */
2112 disable = WL_RADIO_SW_DISABLE << 16;
2113 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
2115 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
2117 err = brcmf_fil_iovar_int_set(ifp, "qtxpower", qdbm);
2119 brcmf_err("qtxpower error (%d)\n", err);
2122 brcmf_dbg(TRACE, "Exit %d (qdbm)\n", qdbm & ~WL_TXPWR_OVERRIDE);
2127 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
2130 struct brcmf_cfg80211_vif *vif = wdev_to_vif(wdev);
2134 brcmf_dbg(TRACE, "Enter\n");
2135 if (!check_vif_up(vif))
2138 err = brcmf_fil_iovar_int_get(vif->ifp, "qtxpower", &qdbm);
2140 brcmf_err("error (%d)\n", err);
2143 *dbm = (qdbm & ~WL_TXPWR_OVERRIDE) / 4;
2146 brcmf_dbg(TRACE, "Exit (0x%x %d)\n", qdbm, *dbm);
2151 brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
2152 u8 key_idx, bool unicast, bool multicast)
2154 struct brcmf_if *ifp = netdev_priv(ndev);
2159 brcmf_dbg(TRACE, "Enter\n");
2160 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2161 if (!check_vif_up(ifp->vif))
2164 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2166 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
2170 if (wsec & WEP_ENABLED) {
2171 /* Just select a new current key */
2173 err = brcmf_fil_cmd_int_set(ifp,
2174 BRCMF_C_SET_KEY_PRIMARY, index);
2176 brcmf_err("error (%d)\n", err);
2179 brcmf_dbg(TRACE, "Exit\n");
2184 brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2185 u8 key_idx, bool pairwise, const u8 *mac_addr)
2187 struct brcmf_if *ifp = netdev_priv(ndev);
2188 struct brcmf_wsec_key *key;
2191 brcmf_dbg(TRACE, "Enter\n");
2192 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2194 if (!check_vif_up(ifp->vif))
2197 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2198 /* we ignore this key index in this case */
2202 key = &ifp->vif->profile.key[key_idx];
2204 if (key->algo == CRYPTO_ALGO_OFF) {
2205 brcmf_dbg(CONN, "Ignore clearing of (never configured) key\n");
2209 memset(key, 0, sizeof(*key));
2210 key->index = (u32)key_idx;
2211 key->flags = BRCMF_PRIMARY_KEY;
2213 /* Clear the key/index */
2214 err = send_key_to_dongle(ifp, key);
2216 brcmf_dbg(TRACE, "Exit\n");
2221 brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2222 u8 key_idx, bool pairwise, const u8 *mac_addr,
2223 struct key_params *params)
2225 struct brcmf_if *ifp = netdev_priv(ndev);
2226 struct brcmf_wsec_key *key;
2233 brcmf_dbg(TRACE, "Enter\n");
2234 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2235 if (!check_vif_up(ifp->vif))
2238 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2239 /* we ignore this key index in this case */
2240 brcmf_err("invalid key index (%d)\n", key_idx);
2244 if (params->key_len == 0)
2245 return brcmf_cfg80211_del_key(wiphy, ndev, key_idx, pairwise,
2248 if (params->key_len > sizeof(key->data)) {
2249 brcmf_err("Too long key length (%u)\n", params->key_len);
2254 if (mac_addr && (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2255 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
2256 brcmf_dbg(TRACE, "Ext key, mac %pM", mac_addr);
2260 key = &ifp->vif->profile.key[key_idx];
2261 memset(key, 0, sizeof(*key));
2262 if ((ext_key) && (!is_multicast_ether_addr(mac_addr)))
2263 memcpy((char *)&key->ea, (void *)mac_addr, ETH_ALEN);
2264 key->len = params->key_len;
2265 key->index = key_idx;
2266 memcpy(key->data, params->key, key->len);
2268 key->flags = BRCMF_PRIMARY_KEY;
2270 switch (params->cipher) {
2271 case WLAN_CIPHER_SUITE_WEP40:
2272 key->algo = CRYPTO_ALGO_WEP1;
2274 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2276 case WLAN_CIPHER_SUITE_WEP104:
2277 key->algo = CRYPTO_ALGO_WEP128;
2279 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2281 case WLAN_CIPHER_SUITE_TKIP:
2282 if (!brcmf_is_apmode(ifp->vif)) {
2283 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
2284 memcpy(keybuf, &key->data[24], sizeof(keybuf));
2285 memcpy(&key->data[24], &key->data[16], sizeof(keybuf));
2286 memcpy(&key->data[16], keybuf, sizeof(keybuf));
2288 key->algo = CRYPTO_ALGO_TKIP;
2290 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2292 case WLAN_CIPHER_SUITE_AES_CMAC:
2293 key->algo = CRYPTO_ALGO_AES_CCM;
2295 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2297 case WLAN_CIPHER_SUITE_CCMP:
2298 key->algo = CRYPTO_ALGO_AES_CCM;
2300 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
2303 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
2308 err = send_key_to_dongle(ifp, key);
2312 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2314 brcmf_err("get wsec error (%d)\n", err);
2318 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2320 brcmf_err("set wsec error (%d)\n", err);
2325 brcmf_dbg(TRACE, "Exit\n");
2330 brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx,
2331 bool pairwise, const u8 *mac_addr, void *cookie,
2332 void (*callback)(void *cookie,
2333 struct key_params *params))
2335 struct key_params params;
2336 struct brcmf_if *ifp = netdev_priv(ndev);
2337 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2338 struct brcmf_cfg80211_security *sec;
2342 brcmf_dbg(TRACE, "Enter\n");
2343 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2344 if (!check_vif_up(ifp->vif))
2347 memset(¶ms, 0, sizeof(params));
2349 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2351 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
2352 /* Ignore this error, may happen during DISASSOC */
2356 if (wsec & WEP_ENABLED) {
2357 sec = &profile->sec;
2358 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2359 params.cipher = WLAN_CIPHER_SUITE_WEP40;
2360 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2361 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2362 params.cipher = WLAN_CIPHER_SUITE_WEP104;
2363 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2365 } else if (wsec & TKIP_ENABLED) {
2366 params.cipher = WLAN_CIPHER_SUITE_TKIP;
2367 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2368 } else if (wsec & AES_ENABLED) {
2369 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
2370 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2372 brcmf_err("Invalid algo (0x%x)\n", wsec);
2376 callback(cookie, ¶ms);
2379 brcmf_dbg(TRACE, "Exit\n");
2384 brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2385 struct net_device *ndev, u8 key_idx)
2387 struct brcmf_if *ifp = netdev_priv(ndev);
2389 brcmf_dbg(TRACE, "Enter key_idx %d\n", key_idx);
2391 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
2394 brcmf_dbg(INFO, "Not supported\n");
2400 brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp)
2404 struct brcmf_wsec_key *key;
2407 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) {
2408 key = &ifp->vif->profile.key[key_idx];
2409 if ((key->algo == CRYPTO_ALGO_WEP1) ||
2410 (key->algo == CRYPTO_ALGO_WEP128))
2413 if (key_idx == BRCMF_MAX_DEFAULT_KEYS)
2416 err = send_key_to_dongle(ifp, key);
2418 brcmf_err("Setting WEP key failed (%d)\n", err);
2421 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2423 brcmf_err("get wsec error (%d)\n", err);
2426 wsec |= WEP_ENABLED;
2427 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2429 brcmf_err("set wsec error (%d)\n", err);
2432 static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si)
2434 struct nl80211_sta_flag_update *sfu;
2436 brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags);
2437 si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS);
2438 sfu = &si->sta_flags;
2439 sfu->mask = BIT(NL80211_STA_FLAG_WME) |
2440 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2441 BIT(NL80211_STA_FLAG_ASSOCIATED) |
2442 BIT(NL80211_STA_FLAG_AUTHORIZED);
2443 if (fw_sta_flags & BRCMF_STA_WME)
2444 sfu->set |= BIT(NL80211_STA_FLAG_WME);
2445 if (fw_sta_flags & BRCMF_STA_AUTHE)
2446 sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
2447 if (fw_sta_flags & BRCMF_STA_ASSOC)
2448 sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2449 if (fw_sta_flags & BRCMF_STA_AUTHO)
2450 sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
2453 static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si)
2457 struct brcmf_bss_info_le bss_le;
2462 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2466 buf->len = cpu_to_le32(WL_BSS_INFO_MAX);
2467 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf,
2470 brcmf_err("Failed to get bss info (%d)\n", err);
2473 si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
2474 si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period);
2475 si->bss_param.dtim_period = buf->bss_le.dtim_period;
2476 capability = le16_to_cpu(buf->bss_le.capability);
2477 if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT)
2478 si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
2479 if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
2480 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
2481 if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
2482 si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
2489 brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp,
2490 struct station_info *sinfo)
2492 struct brcmf_scb_val_le scbval;
2493 struct brcmf_pktcnt_le pktcnt;
2498 /* Get the current tx rate */
2499 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
2501 brcmf_err("BRCMF_C_GET_RATE error (%d)\n", err);
2504 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
2505 sinfo->txrate.legacy = rate * 5;
2507 memset(&scbval, 0, sizeof(scbval));
2508 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, &scbval,
2511 brcmf_err("BRCMF_C_GET_RSSI error (%d)\n", err);
2514 rssi = le32_to_cpu(scbval.val);
2515 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2516 sinfo->signal = rssi;
2518 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_GET_PKTCNTS, &pktcnt,
2521 brcmf_err("BRCMF_C_GET_GET_PKTCNTS error (%d)\n", err);
2524 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS) |
2525 BIT(NL80211_STA_INFO_RX_DROP_MISC) |
2526 BIT(NL80211_STA_INFO_TX_PACKETS) |
2527 BIT(NL80211_STA_INFO_TX_FAILED);
2528 sinfo->rx_packets = le32_to_cpu(pktcnt.rx_good_pkt);
2529 sinfo->rx_dropped_misc = le32_to_cpu(pktcnt.rx_bad_pkt);
2530 sinfo->tx_packets = le32_to_cpu(pktcnt.tx_good_pkt);
2531 sinfo->tx_failed = le32_to_cpu(pktcnt.tx_bad_pkt);
2537 brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
2538 const u8 *mac, struct station_info *sinfo)
2540 struct brcmf_if *ifp = netdev_priv(ndev);
2541 struct brcmf_scb_val_le scb_val;
2543 struct brcmf_sta_info_le sta_info_le;
2551 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
2552 if (!check_vif_up(ifp->vif))
2555 if (brcmf_is_ibssmode(ifp->vif))
2556 return brcmf_cfg80211_get_station_ibss(ifp, sinfo);
2558 memset(&sta_info_le, 0, sizeof(sta_info_le));
2559 memcpy(&sta_info_le, mac, ETH_ALEN);
2560 err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info",
2562 sizeof(sta_info_le));
2563 is_tdls_peer = !err;
2565 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
2567 sizeof(sta_info_le));
2569 brcmf_err("GET STA INFO failed, %d\n", err);
2573 brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver));
2574 sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME);
2575 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2576 sta_flags = le32_to_cpu(sta_info_le.flags);
2577 brcmf_convert_sta_flags(sta_flags, sinfo);
2578 sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2580 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2582 sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
2583 if (sta_flags & BRCMF_STA_ASSOC) {
2584 sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME);
2585 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
2586 brcmf_fill_bss_param(ifp, sinfo);
2588 if (sta_flags & BRCMF_STA_SCBSTATS) {
2589 sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED);
2590 sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures);
2591 sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
2592 sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts);
2593 sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts);
2594 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
2595 sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts);
2596 sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts);
2597 if (sinfo->tx_packets) {
2598 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
2599 sinfo->txrate.legacy =
2600 le32_to_cpu(sta_info_le.tx_rate) / 100;
2602 if (sinfo->rx_packets) {
2603 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
2604 sinfo->rxrate.legacy =
2605 le32_to_cpu(sta_info_le.rx_rate) / 100;
2607 if (le16_to_cpu(sta_info_le.ver) >= 4) {
2608 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES);
2609 sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes);
2610 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES);
2611 sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes);
2615 for (i = 0; i < BRCMF_ANT_MAX; i++) {
2616 if (sta_info_le.rssi[i]) {
2617 sinfo->chain_signal_avg[count_rssi] =
2618 sta_info_le.rssi[i];
2619 sinfo->chain_signal[count_rssi] =
2620 sta_info_le.rssi[i];
2621 total_rssi += sta_info_le.rssi[i];
2626 sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL);
2627 sinfo->chains = count_rssi;
2629 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2630 total_rssi /= count_rssi;
2631 sinfo->signal = total_rssi;
2632 } else if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2633 &ifp->vif->sme_state)) {
2634 memset(&scb_val, 0, sizeof(scb_val));
2635 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2636 &scb_val, sizeof(scb_val));
2638 brcmf_err("Could not get rssi (%d)\n", err);
2641 rssi = le32_to_cpu(scb_val.val);
2642 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2643 sinfo->signal = rssi;
2644 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
2649 brcmf_dbg(TRACE, "Exit\n");
2654 brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev,
2655 int idx, u8 *mac, struct station_info *sinfo)
2657 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2658 struct brcmf_if *ifp = netdev_priv(ndev);
2661 brcmf_dbg(TRACE, "Enter, idx %d\n", idx);
2664 cfg->assoclist.count = cpu_to_le32(BRCMF_MAX_ASSOCLIST);
2665 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_ASSOCLIST,
2667 sizeof(cfg->assoclist));
2669 brcmf_err("BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n",
2671 cfg->assoclist.count = 0;
2675 if (idx < le32_to_cpu(cfg->assoclist.count)) {
2676 memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN);
2677 return brcmf_cfg80211_get_station(wiphy, ndev, mac, sinfo);
2683 brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2684 bool enabled, s32 timeout)
2688 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2689 struct brcmf_if *ifp = netdev_priv(ndev);
2691 brcmf_dbg(TRACE, "Enter\n");
2694 * Powersave enable/disable request is coming from the
2695 * cfg80211 even before the interface is up. In that
2696 * scenario, driver will be storing the power save
2697 * preference in cfg struct to apply this to
2698 * FW later while initializing the dongle
2700 cfg->pwr_save = enabled;
2701 if (!check_vif_up(ifp->vif)) {
2703 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
2707 pm = enabled ? PM_FAST : PM_OFF;
2708 /* Do not enable the power save after assoc if it is a p2p interface */
2709 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2710 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2713 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
2715 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
2718 brcmf_err("net_device is not ready yet\n");
2720 brcmf_err("error (%d)\n", err);
2723 brcmf_dbg(TRACE, "Exit\n");
2727 static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
2728 struct brcmf_bss_info_le *bi)
2730 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2731 struct ieee80211_channel *notify_channel;
2732 struct cfg80211_bss *bss;
2733 struct ieee80211_supported_band *band;
2734 struct brcmu_chan ch;
2737 u16 notify_capability;
2738 u16 notify_interval;
2740 size_t notify_ielen;
2743 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
2744 brcmf_err("Bss info is larger than buffer. Discarding\n");
2749 ch.chspec = le16_to_cpu(bi->chanspec);
2750 cfg->d11inf.decchspec(&ch);
2751 bi->ctl_ch = ch.control_ch_num;
2753 channel = bi->ctl_ch;
2755 if (channel <= CH_MAX_2G_CHANNEL)
2756 band = wiphy->bands[NL80211_BAND_2GHZ];
2758 band = wiphy->bands[NL80211_BAND_5GHZ];
2760 freq = ieee80211_channel_to_frequency(channel, band->band);
2761 notify_channel = ieee80211_get_channel(wiphy, freq);
2763 notify_capability = le16_to_cpu(bi->capability);
2764 notify_interval = le16_to_cpu(bi->beacon_period);
2765 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2766 notify_ielen = le32_to_cpu(bi->ie_length);
2767 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2769 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2770 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2771 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2772 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2773 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
2775 bss = cfg80211_inform_bss(wiphy, notify_channel,
2776 CFG80211_BSS_FTYPE_UNKNOWN,
2777 (const u8 *)bi->BSSID,
2778 0, notify_capability,
2779 notify_interval, notify_ie,
2780 notify_ielen, notify_signal,
2786 cfg80211_put_bss(wiphy, bss);
2791 static struct brcmf_bss_info_le *
2792 next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2795 return list->bss_info_le;
2796 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2797 le32_to_cpu(bss->length));
2800 static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
2802 struct brcmf_scan_results *bss_list;
2803 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
2807 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
2808 if (bss_list->count != 0 &&
2809 bss_list->version != BRCMF_BSS_INFO_VERSION) {
2810 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2814 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
2815 for (i = 0; i < bss_list->count; i++) {
2816 bi = next_bss_le(bss_list, bi);
2817 err = brcmf_inform_single_bss(cfg, bi);
2824 static s32 brcmf_inform_ibss(struct brcmf_cfg80211_info *cfg,
2825 struct net_device *ndev, const u8 *bssid)
2827 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2828 struct ieee80211_channel *notify_channel;
2829 struct brcmf_bss_info_le *bi = NULL;
2830 struct ieee80211_supported_band *band;
2831 struct cfg80211_bss *bss;
2832 struct brcmu_chan ch;
2836 u16 notify_capability;
2837 u16 notify_interval;
2839 size_t notify_ielen;
2842 brcmf_dbg(TRACE, "Enter\n");
2844 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2850 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2852 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2853 buf, WL_BSS_INFO_MAX);
2855 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
2859 bi = (struct brcmf_bss_info_le *)(buf + 4);
2861 ch.chspec = le16_to_cpu(bi->chanspec);
2862 cfg->d11inf.decchspec(&ch);
2864 if (ch.band == BRCMU_CHAN_BAND_2G)
2865 band = wiphy->bands[NL80211_BAND_2GHZ];
2867 band = wiphy->bands[NL80211_BAND_5GHZ];
2869 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band->band);
2870 cfg->channel = freq;
2871 notify_channel = ieee80211_get_channel(wiphy, freq);
2873 notify_capability = le16_to_cpu(bi->capability);
2874 notify_interval = le16_to_cpu(bi->beacon_period);
2875 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2876 notify_ielen = le32_to_cpu(bi->ie_length);
2877 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2879 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.control_ch_num, freq);
2880 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2881 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2882 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
2884 bss = cfg80211_inform_bss(wiphy, notify_channel,
2885 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2886 notify_capability, notify_interval,
2887 notify_ie, notify_ielen, notify_signal,
2895 cfg80211_put_bss(wiphy, bss);
2901 brcmf_dbg(TRACE, "Exit\n");
2906 static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2907 struct brcmf_if *ifp)
2909 struct brcmf_bss_info_le *bi;
2910 const struct brcmf_tlv *tim;
2911 u16 beacon_interval;
2917 brcmf_dbg(TRACE, "Enter\n");
2918 if (brcmf_is_ibssmode(ifp->vif))
2921 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
2922 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
2923 cfg->extra_buf, WL_EXTRA_BUF_MAX);
2925 brcmf_err("Could not get bss info %d\n", err);
2926 goto update_bss_info_out;
2929 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2930 err = brcmf_inform_single_bss(cfg, bi);
2932 goto update_bss_info_out;
2934 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2935 ie_len = le32_to_cpu(bi->ie_length);
2936 beacon_interval = le16_to_cpu(bi->beacon_period);
2938 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
2940 dtim_period = tim->data[1];
2943 * active scan was done so we could not get dtim
2944 * information out of probe response.
2945 * so we speficially query dtim information to dongle.
2948 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
2950 brcmf_err("wl dtim_assoc failed (%d)\n", err);
2951 goto update_bss_info_out;
2953 dtim_period = (u8)var;
2956 update_bss_info_out:
2957 brcmf_dbg(TRACE, "Exit");
2961 void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
2963 struct escan_info *escan = &cfg->escan_info;
2965 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
2966 if (cfg->int_escan_map || cfg->scan_request) {
2967 escan->escan_state = WL_ESCAN_STATE_IDLE;
2968 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
2970 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2971 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
2974 static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2976 struct brcmf_cfg80211_info *cfg =
2977 container_of(work, struct brcmf_cfg80211_info,
2978 escan_timeout_work);
2980 brcmf_inform_bss(cfg);
2981 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
2984 static void brcmf_escan_timeout(struct timer_list *t)
2986 struct brcmf_cfg80211_info *cfg =
2987 from_timer(cfg, t, escan_timeout);
2989 if (cfg->int_escan_map || cfg->scan_request) {
2990 brcmf_err("timer expired\n");
2991 schedule_work(&cfg->escan_timeout_work);
2996 brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2997 struct brcmf_bss_info_le *bss,
2998 struct brcmf_bss_info_le *bss_info_le)
3000 struct brcmu_chan ch_bss, ch_bss_info_le;
3002 ch_bss.chspec = le16_to_cpu(bss->chanspec);
3003 cfg->d11inf.decchspec(&ch_bss);
3004 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
3005 cfg->d11inf.decchspec(&ch_bss_info_le);
3007 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
3008 ch_bss.band == ch_bss_info_le.band &&
3009 bss_info_le->SSID_len == bss->SSID_len &&
3010 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
3011 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
3012 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
3013 s16 bss_rssi = le16_to_cpu(bss->RSSI);
3014 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
3016 /* preserve max RSSI if the measurements are
3017 * both on-channel or both off-channel
3019 if (bss_info_rssi > bss_rssi)
3020 bss->RSSI = bss_info_le->RSSI;
3021 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
3022 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
3023 /* preserve the on-channel rssi measurement
3024 * if the new measurement is off channel
3026 bss->RSSI = bss_info_le->RSSI;
3027 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
3035 brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
3036 const struct brcmf_event_msg *e, void *data)
3038 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3040 struct brcmf_escan_result_le *escan_result_le;
3042 struct brcmf_bss_info_le *bss_info_le;
3043 struct brcmf_bss_info_le *bss = NULL;
3045 struct brcmf_scan_results *list;
3051 if (status == BRCMF_E_STATUS_ABORT)
3054 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3055 brcmf_err("scan not ready, bsscfgidx=%d\n", ifp->bsscfgidx);
3059 if (status == BRCMF_E_STATUS_PARTIAL) {
3060 brcmf_dbg(SCAN, "ESCAN Partial result\n");
3061 if (e->datalen < sizeof(*escan_result_le)) {
3062 brcmf_err("invalid event data length\n");
3065 escan_result_le = (struct brcmf_escan_result_le *) data;
3066 if (!escan_result_le) {
3067 brcmf_err("Invalid escan result (NULL pointer)\n");
3070 escan_buflen = le32_to_cpu(escan_result_le->buflen);
3071 if (escan_buflen > BRCMF_ESCAN_BUF_SIZE ||
3072 escan_buflen > e->datalen ||
3073 escan_buflen < sizeof(*escan_result_le)) {
3074 brcmf_err("Invalid escan buffer length: %d\n",
3078 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
3079 brcmf_err("Invalid bss_count %d: ignoring\n",
3080 escan_result_le->bss_count);
3083 bss_info_le = &escan_result_le->bss_info_le;
3085 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
3088 if (!cfg->int_escan_map && !cfg->scan_request) {
3089 brcmf_dbg(SCAN, "result without cfg80211 request\n");
3093 bi_length = le32_to_cpu(bss_info_le->length);
3094 if (bi_length != escan_buflen - WL_ESCAN_RESULTS_FIXED_SIZE) {
3095 brcmf_err("Ignoring invalid bss_info length: %d\n",
3100 if (!(cfg_to_wiphy(cfg)->interface_modes &
3101 BIT(NL80211_IFTYPE_ADHOC))) {
3102 if (le16_to_cpu(bss_info_le->capability) &
3103 WLAN_CAPABILITY_IBSS) {
3104 brcmf_err("Ignoring IBSS result\n");
3109 list = (struct brcmf_scan_results *)
3110 cfg->escan_info.escan_buf;
3111 if (bi_length > BRCMF_ESCAN_BUF_SIZE - list->buflen) {
3112 brcmf_err("Buffer is too small: ignoring\n");
3116 for (i = 0; i < list->count; i++) {
3117 bss = bss ? (struct brcmf_bss_info_le *)
3118 ((unsigned char *)bss +
3119 le32_to_cpu(bss->length)) : list->bss_info_le;
3120 if (brcmf_compare_update_same_bss(cfg, bss,
3124 memcpy(&cfg->escan_info.escan_buf[list->buflen], bss_info_le,
3126 list->version = le32_to_cpu(bss_info_le->version);
3127 list->buflen += bi_length;
3130 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
3131 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
3133 if (cfg->int_escan_map || cfg->scan_request) {
3134 brcmf_inform_bss(cfg);
3135 aborted = status != BRCMF_E_STATUS_SUCCESS;
3136 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
3138 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
3145 static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
3147 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
3148 brcmf_cfg80211_escan_handler);
3149 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
3150 /* Init scan_timeout timer */
3151 timer_setup(&cfg->escan_timeout, brcmf_escan_timeout, 0);
3152 INIT_WORK(&cfg->escan_timeout_work,
3153 brcmf_cfg80211_escan_timeout_worker);
3156 static struct cfg80211_scan_request *
3157 brcmf_alloc_internal_escan_request(struct wiphy *wiphy, u32 n_netinfo) {
3158 struct cfg80211_scan_request *req;
3161 req_size = sizeof(*req) +
3162 n_netinfo * sizeof(req->channels[0]) +
3163 n_netinfo * sizeof(*req->ssids);
3165 req = kzalloc(req_size, GFP_KERNEL);
3168 req->ssids = (void *)(&req->channels[0]) +
3169 n_netinfo * sizeof(req->channels[0]);
3174 static int brcmf_internal_escan_add_info(struct cfg80211_scan_request *req,
3175 u8 *ssid, u8 ssid_len, u8 channel)
3177 struct ieee80211_channel *chan;
3178 enum nl80211_band band;
3181 if (channel <= CH_MAX_2G_CHANNEL)
3182 band = NL80211_BAND_2GHZ;
3184 band = NL80211_BAND_5GHZ;
3186 freq = ieee80211_channel_to_frequency(channel, band);
3190 chan = ieee80211_get_channel(req->wiphy, freq);
3194 for (i = 0; i < req->n_channels; i++) {
3195 if (req->channels[i] == chan)
3198 if (i == req->n_channels)
3199 req->channels[req->n_channels++] = chan;
3201 for (i = 0; i < req->n_ssids; i++) {
3202 if (req->ssids[i].ssid_len == ssid_len &&
3203 !memcmp(req->ssids[i].ssid, ssid, ssid_len))
3206 if (i == req->n_ssids) {
3207 memcpy(req->ssids[req->n_ssids].ssid, ssid, ssid_len);
3208 req->ssids[req->n_ssids++].ssid_len = ssid_len;
3213 static int brcmf_start_internal_escan(struct brcmf_if *ifp, u32 fwmap,
3214 struct cfg80211_scan_request *request)
3216 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3219 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3220 if (cfg->int_escan_map)
3221 brcmf_dbg(SCAN, "aborting internal scan: map=%u\n",
3222 cfg->int_escan_map);
3223 /* Abort any on-going scan */
3224 brcmf_abort_scanning(cfg);
3227 brcmf_dbg(SCAN, "start internal scan: map=%u\n", fwmap);
3228 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3229 cfg->escan_info.run = brcmf_run_escan;
3230 err = brcmf_do_escan(ifp, request);
3232 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3235 cfg->int_escan_map = fwmap;
3239 static struct brcmf_pno_net_info_le *
3240 brcmf_get_netinfo_array(struct brcmf_pno_scanresults_le *pfn_v1)
3242 struct brcmf_pno_scanresults_v2_le *pfn_v2;
3243 struct brcmf_pno_net_info_le *netinfo;
3245 switch (pfn_v1->version) {
3249 case cpu_to_le32(1):
3250 netinfo = (struct brcmf_pno_net_info_le *)(pfn_v1 + 1);
3252 case cpu_to_le32(2):
3253 pfn_v2 = (struct brcmf_pno_scanresults_v2_le *)pfn_v1;
3254 netinfo = (struct brcmf_pno_net_info_le *)(pfn_v2 + 1);
3261 /* PFN result doesn't have all the info which are required by the supplicant
3262 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3263 * via wl_inform_single_bss in the required format. Escan does require the
3264 * scan request in the form of cfg80211_scan_request. For timebeing, create
3265 * cfg80211_scan_request one out of the received PNO event.
3268 brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
3269 const struct brcmf_event_msg *e, void *data)
3271 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3272 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3273 struct cfg80211_scan_request *request = NULL;
3274 struct wiphy *wiphy = cfg_to_wiphy(cfg);
3276 struct brcmf_pno_scanresults_le *pfn_result;
3282 brcmf_dbg(SCAN, "Enter\n");
3284 if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) {
3285 brcmf_dbg(SCAN, "Event data to small. Ignore\n");
3289 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
3290 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
3294 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3295 result_count = le32_to_cpu(pfn_result->count);
3296 status = le32_to_cpu(pfn_result->status);
3298 /* PFN event is limited to fit 512 bytes so we may get
3299 * multiple NET_FOUND events. For now place a warning here.
3301 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
3302 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
3303 if (!result_count) {
3304 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
3308 netinfo_start = brcmf_get_netinfo_array(pfn_result);
3309 datalen = e->datalen - ((void *)netinfo_start - (void *)pfn_result);
3310 if (datalen < result_count * sizeof(*netinfo)) {
3311 brcmf_err("insufficient event data\n");
3315 request = brcmf_alloc_internal_escan_request(wiphy,
3323 for (i = 0; i < result_count; i++) {
3324 netinfo = &netinfo_start[i];
3326 if (netinfo->SSID_len > IEEE80211_MAX_SSID_LEN)
3327 netinfo->SSID_len = IEEE80211_MAX_SSID_LEN;
3328 brcmf_dbg(SCAN, "SSID:%.32s Channel:%d\n",
3329 netinfo->SSID, netinfo->channel);
3330 bucket_map |= brcmf_pno_get_bucket_map(cfg->pno, netinfo);
3331 err = brcmf_internal_escan_add_info(request,
3342 err = brcmf_start_internal_escan(ifp, bucket_map, request);
3347 cfg80211_sched_scan_stopped(wiphy, 0);
3354 brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3355 struct net_device *ndev,
3356 struct cfg80211_sched_scan_request *req)
3358 struct brcmf_if *ifp = netdev_priv(ndev);
3359 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3361 brcmf_dbg(SCAN, "Enter: n_match_sets=%d n_ssids=%d\n",
3362 req->n_match_sets, req->n_ssids);
3364 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3365 brcmf_err("Scanning suppressed: status=%lu\n",
3370 if (req->n_match_sets <= 0) {
3371 brcmf_dbg(SCAN, "invalid number of matchsets specified: %d\n",
3376 return brcmf_pno_start_sched_scan(ifp, req);
3379 static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3380 struct net_device *ndev, u64 reqid)
3382 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3383 struct brcmf_if *ifp = netdev_priv(ndev);
3385 brcmf_dbg(SCAN, "enter\n");
3386 brcmf_pno_stop_sched_scan(ifp, reqid);
3387 if (cfg->int_escan_map)
3388 brcmf_notify_escan_complete(cfg, ifp, true, true);
3392 static __always_inline void brcmf_delay(u32 ms)
3394 if (ms < 1000 / HZ) {
3402 static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
3403 u8 *pattern, u32 patternsize, u8 *mask,
3406 struct brcmf_fil_wowl_pattern_le *filter;
3413 masksize = (patternsize + 7) / 8;
3414 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
3416 bufsize = sizeof(*filter) + patternsize + masksize;
3417 buf = kzalloc(bufsize, GFP_KERNEL);
3420 filter = (struct brcmf_fil_wowl_pattern_le *)buf;
3422 memcpy(filter->cmd, cmd, 4);
3423 filter->masksize = cpu_to_le32(masksize);
3424 filter->offset = cpu_to_le32(packet_offset);
3425 filter->patternoffset = cpu_to_le32(patternoffset);
3426 filter->patternsize = cpu_to_le32(patternsize);
3427 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
3429 if ((mask) && (masksize))
3430 memcpy(buf + sizeof(*filter), mask, masksize);
3431 if ((pattern) && (patternsize))
3432 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
3434 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
3441 brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e,
3444 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3445 struct brcmf_pno_scanresults_le *pfn_result;
3446 struct brcmf_pno_net_info_le *netinfo;
3448 brcmf_dbg(SCAN, "Enter\n");
3450 if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) {
3451 brcmf_dbg(SCAN, "Event data to small. Ignore\n");
3455 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3457 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
3458 brcmf_dbg(SCAN, "PFN NET LOST event. Ignore\n");
3462 if (le32_to_cpu(pfn_result->count) < 1) {
3463 brcmf_err("Invalid result count, expected 1 (%d)\n",
3464 le32_to_cpu(pfn_result->count));
3468 netinfo = brcmf_get_netinfo_array(pfn_result);
3469 memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len);
3470 cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len;
3471 cfg->wowl.nd->n_channels = 1;
3472 cfg->wowl.nd->channels[0] =
3473 ieee80211_channel_to_frequency(netinfo->channel,
3474 netinfo->channel <= CH_MAX_2G_CHANNEL ?
3475 NL80211_BAND_2GHZ : NL80211_BAND_5GHZ);
3476 cfg->wowl.nd_info->n_matches = 1;
3477 cfg->wowl.nd_info->matches[0] = cfg->wowl.nd;
3479 /* Inform (the resume task) that the net detect information was recvd */
3480 cfg->wowl.nd_data_completed = true;
3481 wake_up(&cfg->wowl.nd_data_wait);
3488 static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp)
3490 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3491 struct brcmf_wowl_wakeind_le wake_ind_le;
3492 struct cfg80211_wowlan_wakeup wakeup_data;
3493 struct cfg80211_wowlan_wakeup *wakeup;
3498 err = brcmf_fil_iovar_data_get(ifp, "wowl_wakeind", &wake_ind_le,
3499 sizeof(wake_ind_le));
3501 brcmf_err("Get wowl_wakeind failed, err = %d\n", err);
3505 wakeind = le32_to_cpu(wake_ind_le.ucode_wakeind);
3506 if (wakeind & (BRCMF_WOWL_MAGIC | BRCMF_WOWL_DIS | BRCMF_WOWL_BCN |
3507 BRCMF_WOWL_RETR | BRCMF_WOWL_NET |
3508 BRCMF_WOWL_PFN_FOUND)) {
3509 wakeup = &wakeup_data;
3510 memset(&wakeup_data, 0, sizeof(wakeup_data));
3511 wakeup_data.pattern_idx = -1;
3513 if (wakeind & BRCMF_WOWL_MAGIC) {
3514 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_MAGIC\n");
3515 wakeup_data.magic_pkt = true;
3517 if (wakeind & BRCMF_WOWL_DIS) {
3518 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_DIS\n");
3519 wakeup_data.disconnect = true;
3521 if (wakeind & BRCMF_WOWL_BCN) {
3522 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_BCN\n");
3523 wakeup_data.disconnect = true;
3525 if (wakeind & BRCMF_WOWL_RETR) {
3526 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_RETR\n");
3527 wakeup_data.disconnect = true;
3529 if (wakeind & BRCMF_WOWL_NET) {
3530 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_NET\n");
3531 /* For now always map to pattern 0, no API to get
3532 * correct information available at the moment.
3534 wakeup_data.pattern_idx = 0;
3536 if (wakeind & BRCMF_WOWL_PFN_FOUND) {
3537 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_PFN_FOUND\n");
3538 timeout = wait_event_timeout(cfg->wowl.nd_data_wait,
3539 cfg->wowl.nd_data_completed,
3540 BRCMF_ND_INFO_TIMEOUT);
3542 brcmf_err("No result for wowl net detect\n");
3544 wakeup_data.net_detect = cfg->wowl.nd_info;
3546 if (wakeind & BRCMF_WOWL_GTK_FAILURE) {
3547 brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_GTK_FAILURE\n");
3548 wakeup_data.gtk_rekey_failure = true;
3553 cfg80211_report_wowlan_wakeup(&ifp->vif->wdev, wakeup, GFP_KERNEL);
3558 static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp)
3562 #endif /* CONFIG_PM */
3564 static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
3566 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3567 struct net_device *ndev = cfg_to_ndev(cfg);
3568 struct brcmf_if *ifp = netdev_priv(ndev);
3570 brcmf_dbg(TRACE, "Enter\n");
3572 if (cfg->wowl.active) {
3573 brcmf_report_wowl_wakeind(wiphy, ifp);
3574 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
3575 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
3576 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
3577 brcmf_configure_arp_nd_offload(ifp, true);
3578 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
3579 cfg->wowl.pre_pmmode);
3580 cfg->wowl.active = false;
3581 if (cfg->wowl.nd_enabled) {
3582 brcmf_cfg80211_sched_scan_stop(cfg->wiphy, ifp->ndev, 0);
3583 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
3584 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
3585 brcmf_notify_sched_scan_results);
3586 cfg->wowl.nd_enabled = false;
3592 static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
3593 struct brcmf_if *ifp,
3594 struct cfg80211_wowlan *wowl)
3597 struct brcmf_wowl_wakeind_le wowl_wakeind;
3600 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
3602 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
3603 brcmf_configure_arp_nd_offload(ifp, false);
3604 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode);
3605 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
3608 if (wowl->disconnect)
3609 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
3610 if (wowl->magic_pkt)
3611 wowl_config |= BRCMF_WOWL_MAGIC;
3612 if ((wowl->patterns) && (wowl->n_patterns)) {
3613 wowl_config |= BRCMF_WOWL_NET;
3614 for (i = 0; i < wowl->n_patterns; i++) {
3615 brcmf_config_wowl_pattern(ifp, "add",
3616 (u8 *)wowl->patterns[i].pattern,
3617 wowl->patterns[i].pattern_len,
3618 (u8 *)wowl->patterns[i].mask,
3619 wowl->patterns[i].pkt_offset);
3622 if (wowl->nd_config) {
3623 brcmf_cfg80211_sched_scan_start(cfg->wiphy, ifp->ndev,
3625 wowl_config |= BRCMF_WOWL_PFN_FOUND;
3627 cfg->wowl.nd_data_completed = false;
3628 cfg->wowl.nd_enabled = true;
3629 /* Now reroute the event for PFN to the wowl function. */
3630 brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
3631 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
3632 brcmf_wowl_nd_results);
3634 if (wowl->gtk_rekey_failure)
3635 wowl_config |= BRCMF_WOWL_GTK_FAILURE;
3636 if (!test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
3637 wowl_config |= BRCMF_WOWL_UNASSOC;
3639 memcpy(&wowl_wakeind, "clear", 6);
3640 brcmf_fil_iovar_data_set(ifp, "wowl_wakeind", &wowl_wakeind,
3641 sizeof(wowl_wakeind));
3642 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
3643 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
3644 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
3645 cfg->wowl.active = true;
3648 static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
3649 struct cfg80211_wowlan *wowl)
3651 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3652 struct net_device *ndev = cfg_to_ndev(cfg);
3653 struct brcmf_if *ifp = netdev_priv(ndev);
3654 struct brcmf_cfg80211_vif *vif;
3656 brcmf_dbg(TRACE, "Enter\n");
3658 /* if the primary net_device is not READY there is nothing
3659 * we can do but pray resume goes smoothly.
3661 if (!check_vif_up(ifp->vif))
3664 /* Stop scheduled scan */
3665 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO))
3666 brcmf_cfg80211_sched_scan_stop(wiphy, ndev, 0);
3668 /* end any scanning */
3669 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
3670 brcmf_abort_scanning(cfg);
3673 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
3674 list_for_each_entry(vif, &cfg->vif_list, list) {
3675 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
3677 /* While going to suspend if associated with AP
3678 * disassociate from AP to save power while system is
3679 * in suspended state
3681 brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED);
3682 /* Make sure WPA_Supplicant receives all the event
3683 * generated due to DISASSOC call to the fw to keep
3684 * the state fw and WPA_Supplicant state consistent
3689 brcmf_set_mpc(ifp, 1);
3692 /* Configure WOWL paramaters */
3693 brcmf_configure_wowl(cfg, ifp, wowl);
3697 brcmf_dbg(TRACE, "Exit\n");
3698 /* clear any scanning activity */
3699 cfg->scan_status = 0;
3704 brcmf_update_pmklist(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp)
3706 struct brcmf_pmk_list_le *pmk_list;
3711 pmk_list = &cfg->pmk_list;
3712 npmk = le32_to_cpu(pmk_list->npmk);
3714 brcmf_dbg(CONN, "No of elements %d\n", npmk);
3715 for (i = 0; i < npmk; i++)
3716 brcmf_dbg(CONN, "PMK[%d]: %pM\n", i, &pmk_list->pmk[i].bssid);
3718 err = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_list,
3725 brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3726 struct cfg80211_pmksa *pmksa)
3728 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3729 struct brcmf_if *ifp = netdev_priv(ndev);
3730 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
3734 brcmf_dbg(TRACE, "Enter\n");
3735 if (!check_vif_up(ifp->vif))
3738 npmk = le32_to_cpu(cfg->pmk_list.npmk);
3739 for (i = 0; i < npmk; i++)
3740 if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN))
3742 if (i < BRCMF_MAXPMKID) {
3743 memcpy(pmk[i].bssid, pmksa->bssid, ETH_ALEN);
3744 memcpy(pmk[i].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
3747 cfg->pmk_list.npmk = cpu_to_le32(npmk);
3750 brcmf_err("Too many PMKSA entries cached %d\n", npmk);
3754 brcmf_dbg(CONN, "set_pmksa - PMK bssid: %pM =\n", pmk[npmk].bssid);
3755 for (i = 0; i < WLAN_PMKID_LEN; i += 4)
3756 brcmf_dbg(CONN, "%02x %02x %02x %02x\n", pmk[npmk].pmkid[i],
3757 pmk[npmk].pmkid[i + 1], pmk[npmk].pmkid[i + 2],
3758 pmk[npmk].pmkid[i + 3]);
3760 err = brcmf_update_pmklist(cfg, ifp);
3762 brcmf_dbg(TRACE, "Exit\n");
3767 brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3768 struct cfg80211_pmksa *pmksa)
3770 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3771 struct brcmf_if *ifp = netdev_priv(ndev);
3772 struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0];
3776 brcmf_dbg(TRACE, "Enter\n");
3777 if (!check_vif_up(ifp->vif))
3780 brcmf_dbg(CONN, "del_pmksa - PMK bssid = %pM\n", pmksa->bssid);
3782 npmk = le32_to_cpu(cfg->pmk_list.npmk);
3783 for (i = 0; i < npmk; i++)
3784 if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN))
3787 if ((npmk > 0) && (i < npmk)) {
3788 for (; i < (npmk - 1); i++) {
3789 memcpy(&pmk[i].bssid, &pmk[i + 1].bssid, ETH_ALEN);
3790 memcpy(&pmk[i].pmkid, &pmk[i + 1].pmkid,
3793 memset(&pmk[i], 0, sizeof(*pmk));
3794 cfg->pmk_list.npmk = cpu_to_le32(npmk - 1);
3796 brcmf_err("Cache entry not found\n");
3800 err = brcmf_update_pmklist(cfg, ifp);
3802 brcmf_dbg(TRACE, "Exit\n");
3808 brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
3810 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3811 struct brcmf_if *ifp = netdev_priv(ndev);
3814 brcmf_dbg(TRACE, "Enter\n");
3815 if (!check_vif_up(ifp->vif))
3818 memset(&cfg->pmk_list, 0, sizeof(cfg->pmk_list));
3819 err = brcmf_update_pmklist(cfg, ifp);
3821 brcmf_dbg(TRACE, "Exit\n");
3826 static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
3832 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
3834 brcmf_err("auth error %d\n", err);
3838 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
3840 brcmf_err("wsec error %d\n", err);
3843 /* set upper-layer auth */
3844 if (brcmf_is_ibssmode(ifp->vif))
3845 wpa_val = WPA_AUTH_NONE;
3847 wpa_val = WPA_AUTH_DISABLED;
3848 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_val);
3850 brcmf_err("wpa_auth error %d\n", err);
3857 static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3860 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3862 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3866 brcmf_configure_wpaie(struct brcmf_if *ifp,
3867 const struct brcmf_vs_tlv *wpa_ie,
3870 u32 auth = 0; /* d11 open authentication */
3882 u32 wme_bss_disable;
3885 brcmf_dbg(TRACE, "Enter\n");
3889 len = wpa_ie->len + TLV_HDR_LEN;
3890 data = (u8 *)wpa_ie;
3891 offset = TLV_HDR_LEN;
3893 offset += VS_IE_FIXED_HDR_LEN;
3895 offset += WPA_IE_VERSION_LEN;
3897 /* check for multicast cipher suite */
3898 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3900 brcmf_err("no multicast cipher suite\n");
3904 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3906 brcmf_err("ivalid OUI\n");
3909 offset += TLV_OUI_LEN;
3911 /* pick up multicast cipher */
3912 switch (data[offset]) {
3913 case WPA_CIPHER_NONE:
3916 case WPA_CIPHER_WEP_40:
3917 case WPA_CIPHER_WEP_104:
3920 case WPA_CIPHER_TKIP:
3921 gval = TKIP_ENABLED;
3923 case WPA_CIPHER_AES_CCM:
3928 brcmf_err("Invalid multi cast cipher info\n");
3933 /* walk thru unicast cipher list and pick up what we recognize */
3934 count = data[offset] + (data[offset + 1] << 8);
3935 offset += WPA_IE_SUITE_COUNT_LEN;
3936 /* Check for unicast suite(s) */
3937 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3939 brcmf_err("no unicast cipher suite\n");
3942 for (i = 0; i < count; i++) {
3943 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3945 brcmf_err("ivalid OUI\n");
3948 offset += TLV_OUI_LEN;
3949 switch (data[offset]) {
3950 case WPA_CIPHER_NONE:
3952 case WPA_CIPHER_WEP_40:
3953 case WPA_CIPHER_WEP_104:
3954 pval |= WEP_ENABLED;
3956 case WPA_CIPHER_TKIP:
3957 pval |= TKIP_ENABLED;
3959 case WPA_CIPHER_AES_CCM:
3960 pval |= AES_ENABLED;
3963 brcmf_err("Invalid unicast security info\n");
3967 /* walk thru auth management suite list and pick up what we recognize */
3968 count = data[offset] + (data[offset + 1] << 8);
3969 offset += WPA_IE_SUITE_COUNT_LEN;
3970 /* Check for auth key management suite(s) */
3971 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3973 brcmf_err("no auth key mgmt suite\n");
3976 for (i = 0; i < count; i++) {
3977 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3979 brcmf_err("ivalid OUI\n");
3982 offset += TLV_OUI_LEN;
3983 switch (data[offset]) {
3985 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
3986 wpa_auth |= WPA_AUTH_NONE;
3988 case RSN_AKM_UNSPECIFIED:
3989 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
3990 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3991 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3994 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
3995 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3996 (wpa_auth |= WPA_AUTH_PSK);
3998 case RSN_AKM_SHA256_PSK:
3999 brcmf_dbg(TRACE, "RSN_AKM_MFP_PSK\n");
4000 wpa_auth |= WPA2_AUTH_PSK_SHA256;
4002 case RSN_AKM_SHA256_1X:
4003 brcmf_dbg(TRACE, "RSN_AKM_MFP_1X\n");
4004 wpa_auth |= WPA2_AUTH_1X_SHA256;
4007 brcmf_err("Invalid key mgmt info\n");
4012 mfp = BRCMF_MFP_NONE;
4014 wme_bss_disable = 1;
4015 if ((offset + RSN_CAP_LEN) <= len) {
4016 rsn_cap = data[offset] + (data[offset + 1] << 8);
4017 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
4018 wme_bss_disable = 0;
4019 if (rsn_cap & RSN_CAP_MFPR_MASK) {
4020 brcmf_dbg(TRACE, "MFP Required\n");
4021 mfp = BRCMF_MFP_REQUIRED;
4022 /* Firmware only supports mfp required in
4023 * combination with WPA2_AUTH_PSK_SHA256 or
4024 * WPA2_AUTH_1X_SHA256.
4026 if (!(wpa_auth & (WPA2_AUTH_PSK_SHA256 |
4027 WPA2_AUTH_1X_SHA256))) {
4031 /* Firmware has requirement that WPA2_AUTH_PSK/
4032 * WPA2_AUTH_UNSPECIFIED be set, if SHA256 OUI
4033 * is to be included in the rsn ie.
4035 if (wpa_auth & WPA2_AUTH_PSK_SHA256)
4036 wpa_auth |= WPA2_AUTH_PSK;
4037 else if (wpa_auth & WPA2_AUTH_1X_SHA256)
4038 wpa_auth |= WPA2_AUTH_UNSPECIFIED;
4039 } else if (rsn_cap & RSN_CAP_MFPC_MASK) {
4040 brcmf_dbg(TRACE, "MFP Capable\n");
4041 mfp = BRCMF_MFP_CAPABLE;
4044 offset += RSN_CAP_LEN;
4045 /* set wme_bss_disable to sync RSN Capabilities */
4046 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
4049 brcmf_err("wme_bss_disable error %d\n", err);
4053 /* Skip PMKID cnt as it is know to be 0 for AP. */
4054 offset += RSN_PMKID_COUNT_LEN;
4056 /* See if there is BIP wpa suite left for MFP */
4057 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP) &&
4058 ((offset + WPA_IE_MIN_OUI_LEN) <= len)) {
4059 err = brcmf_fil_bsscfg_data_set(ifp, "bip",
4061 WPA_IE_MIN_OUI_LEN);
4063 brcmf_err("bip error %d\n", err);
4068 /* FOR WPS , set SES_OW_ENABLED */
4069 wsec = (pval | gval | SES_OW_ENABLED);
4072 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
4074 brcmf_err("auth error %d\n", err);
4078 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
4080 brcmf_err("wsec error %d\n", err);
4083 /* Configure MFP, this needs to go after wsec otherwise the wsec command
4084 * will overwrite the values set by MFP
4086 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) {
4087 err = brcmf_fil_bsscfg_int_set(ifp, "mfp", mfp);
4089 brcmf_err("mfp error %d\n", err);
4093 /* set upper-layer auth */
4094 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
4096 brcmf_err("wpa_auth error %d\n", err);
4105 brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
4106 struct parsed_vndr_ies *vndr_ies)
4108 struct brcmf_vs_tlv *vndrie;
4109 struct brcmf_tlv *ie;
4110 struct parsed_vndr_ie_info *parsed_info;
4113 remaining_len = (s32)vndr_ie_len;
4114 memset(vndr_ies, 0, sizeof(*vndr_ies));
4116 ie = (struct brcmf_tlv *)vndr_ie_buf;
4118 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
4120 vndrie = (struct brcmf_vs_tlv *)ie;
4121 /* len should be bigger than OUI length + one */
4122 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
4123 brcmf_err("invalid vndr ie. length is too small %d\n",
4127 /* if wpa or wme ie, do not add ie */
4128 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
4129 ((vndrie->oui_type == WPA_OUI_TYPE) ||
4130 (vndrie->oui_type == WME_OUI_TYPE))) {
4131 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
4135 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
4137 /* save vndr ie information */
4138 parsed_info->ie_ptr = (char *)vndrie;
4139 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
4140 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
4144 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
4145 parsed_info->vndrie.oui[0],
4146 parsed_info->vndrie.oui[1],
4147 parsed_info->vndrie.oui[2],
4148 parsed_info->vndrie.oui_type);
4150 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
4153 remaining_len -= (ie->len + TLV_HDR_LEN);
4154 if (remaining_len <= TLV_HDR_LEN)
4157 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
4164 brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
4167 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
4168 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
4170 put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]);
4172 put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]);
4174 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
4176 return ie_len + VNDR_IE_HDR_SIZE;
4179 s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
4180 const u8 *vndr_ie_buf, u32 vndr_ie_len)
4182 struct brcmf_if *ifp;
4183 struct vif_saved_ie *saved_ie;
4187 u8 *mgmt_ie_buf = NULL;
4188 int mgmt_ie_buf_len;
4190 u32 del_add_ie_buf_len = 0;
4191 u32 total_ie_buf_len = 0;
4192 u32 parsed_ie_buf_len = 0;
4193 struct parsed_vndr_ies old_vndr_ies;
4194 struct parsed_vndr_ies new_vndr_ies;
4195 struct parsed_vndr_ie_info *vndrie_info;
4198 int remained_buf_len;
4203 saved_ie = &vif->saved_ie;
4205 brcmf_dbg(TRACE, "bsscfgidx %d, pktflag : 0x%02X\n", ifp->bsscfgidx,
4207 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4210 curr_ie_buf = iovar_ie_buf;
4212 case BRCMF_VNDR_IE_PRBREQ_FLAG:
4213 mgmt_ie_buf = saved_ie->probe_req_ie;
4214 mgmt_ie_len = &saved_ie->probe_req_ie_len;
4215 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
4217 case BRCMF_VNDR_IE_PRBRSP_FLAG:
4218 mgmt_ie_buf = saved_ie->probe_res_ie;
4219 mgmt_ie_len = &saved_ie->probe_res_ie_len;
4220 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
4222 case BRCMF_VNDR_IE_BEACON_FLAG:
4223 mgmt_ie_buf = saved_ie->beacon_ie;
4224 mgmt_ie_len = &saved_ie->beacon_ie_len;
4225 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
4227 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
4228 mgmt_ie_buf = saved_ie->assoc_req_ie;
4229 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
4230 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
4234 brcmf_err("not suitable type\n");
4238 if (vndr_ie_len > mgmt_ie_buf_len) {
4240 brcmf_err("extra IE size too big\n");
4244 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
4245 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
4247 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
4248 for (i = 0; i < new_vndr_ies.count; i++) {
4249 vndrie_info = &new_vndr_ies.ie_info[i];
4250 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
4251 vndrie_info->ie_len);
4252 parsed_ie_buf_len += vndrie_info->ie_len;
4256 if (mgmt_ie_buf && *mgmt_ie_len) {
4257 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
4258 (memcmp(mgmt_ie_buf, curr_ie_buf,
4259 parsed_ie_buf_len) == 0)) {
4260 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
4264 /* parse old vndr_ie */
4265 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
4267 /* make a command to delete old ie */
4268 for (i = 0; i < old_vndr_ies.count; i++) {
4269 vndrie_info = &old_vndr_ies.ie_info[i];
4271 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
4272 vndrie_info->vndrie.id,
4273 vndrie_info->vndrie.len,
4274 vndrie_info->vndrie.oui[0],
4275 vndrie_info->vndrie.oui[1],
4276 vndrie_info->vndrie.oui[2]);
4278 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
4279 vndrie_info->ie_ptr,
4280 vndrie_info->ie_len,
4282 curr_ie_buf += del_add_ie_buf_len;
4283 total_ie_buf_len += del_add_ie_buf_len;
4288 /* Add if there is any extra IE */
4289 if (mgmt_ie_buf && parsed_ie_buf_len) {
4292 remained_buf_len = mgmt_ie_buf_len;
4294 /* make a command to add new ie */
4295 for (i = 0; i < new_vndr_ies.count; i++) {
4296 vndrie_info = &new_vndr_ies.ie_info[i];
4298 /* verify remained buf size before copy data */
4299 if (remained_buf_len < (vndrie_info->vndrie.len +
4300 VNDR_IE_VSIE_OFFSET)) {
4301 brcmf_err("no space in mgmt_ie_buf: len left %d",
4305 remained_buf_len -= (vndrie_info->ie_len +
4306 VNDR_IE_VSIE_OFFSET);
4308 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
4309 vndrie_info->vndrie.id,
4310 vndrie_info->vndrie.len,
4311 vndrie_info->vndrie.oui[0],
4312 vndrie_info->vndrie.oui[1],
4313 vndrie_info->vndrie.oui[2]);
4315 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
4316 vndrie_info->ie_ptr,
4317 vndrie_info->ie_len,
4320 /* save the parsed IE in wl struct */
4321 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
4322 vndrie_info->ie_len);
4323 *mgmt_ie_len += vndrie_info->ie_len;
4325 curr_ie_buf += del_add_ie_buf_len;
4326 total_ie_buf_len += del_add_ie_buf_len;
4329 if (total_ie_buf_len) {
4330 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
4333 brcmf_err("vndr ie set error : %d\n", err);
4337 kfree(iovar_ie_buf);
4341 s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
4344 BRCMF_VNDR_IE_PRBREQ_FLAG,
4345 BRCMF_VNDR_IE_PRBRSP_FLAG,
4346 BRCMF_VNDR_IE_BEACON_FLAG
4350 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
4351 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
4353 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
4358 brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
4359 struct cfg80211_beacon_data *beacon)
4363 /* Set Beacon IEs to FW */
4364 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
4365 beacon->tail, beacon->tail_len);
4367 brcmf_err("Set Beacon IE Failed\n");
4370 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
4372 /* Set Probe Response IEs to FW */
4373 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
4374 beacon->proberesp_ies,
4375 beacon->proberesp_ies_len);
4377 brcmf_err("Set Probe Resp IE Failed\n");
4379 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
4385 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
4386 struct cfg80211_ap_settings *settings)
4389 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4390 struct brcmf_if *ifp = netdev_priv(ndev);
4391 const struct brcmf_tlv *ssid_ie;
4392 const struct brcmf_tlv *country_ie;
4393 struct brcmf_ssid_le ssid_le;
4395 const struct brcmf_tlv *rsn_ie;
4396 const struct brcmf_vs_tlv *wpa_ie;
4397 struct brcmf_join_params join_params;
4398 enum nl80211_iftype dev_role;
4399 struct brcmf_fil_bss_enable_le bss_enable;
4400 u16 chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
4405 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
4406 settings->chandef.chan->hw_value,
4407 settings->chandef.center_freq1, settings->chandef.width,
4408 settings->beacon_interval, settings->dtim_period);
4409 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
4410 settings->ssid, settings->ssid_len, settings->auth_type,
4411 settings->inactivity_timeout);
4412 dev_role = ifp->vif->wdev.iftype;
4413 mbss = ifp->vif->mbss;
4415 /* store current 11d setting */
4416 if (brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY,
4417 &ifp->vif->is_11d)) {
4418 is_11d = supports_11d = false;
4420 country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4421 settings->beacon.tail_len,
4423 is_11d = country_ie ? 1 : 0;
4424 supports_11d = true;
4427 memset(&ssid_le, 0, sizeof(ssid_le));
4428 if (settings->ssid == NULL || settings->ssid_len == 0) {
4429 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
4430 ssid_ie = brcmf_parse_tlvs(
4431 (u8 *)&settings->beacon.head[ie_offset],
4432 settings->beacon.head_len - ie_offset,
4434 if (!ssid_ie || ssid_ie->len > IEEE80211_MAX_SSID_LEN)
4437 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
4438 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
4439 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
4441 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
4442 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
4446 brcmf_set_mpc(ifp, 0);
4447 brcmf_configure_arp_nd_offload(ifp, false);
4450 /* find the RSN_IE */
4451 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4452 settings->beacon.tail_len, WLAN_EID_RSN);
4454 /* find the WPA_IE */
4455 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
4456 settings->beacon.tail_len);
4458 if ((wpa_ie != NULL || rsn_ie != NULL)) {
4459 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
4460 if (wpa_ie != NULL) {
4462 err = brcmf_configure_wpaie(ifp, wpa_ie, false);
4466 struct brcmf_vs_tlv *tmp_ie;
4468 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
4471 err = brcmf_configure_wpaie(ifp, tmp_ie, true);
4476 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
4477 brcmf_configure_opensecurity(ifp);
4480 /* Parameters shared by all radio interfaces */
4482 if ((supports_11d) && (is_11d != ifp->vif->is_11d)) {
4483 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4486 brcmf_err("Regulatory Set Error, %d\n", err);
4490 if (settings->beacon_interval) {
4491 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
4492 settings->beacon_interval);
4494 brcmf_err("Beacon Interval Set Error, %d\n",
4499 if (settings->dtim_period) {
4500 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
4501 settings->dtim_period);
4503 brcmf_err("DTIM Interval Set Error, %d\n", err);
4508 if ((dev_role == NL80211_IFTYPE_AP) &&
4509 ((ifp->ifidx == 0) ||
4510 !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) {
4511 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4513 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4516 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
4519 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
4521 brcmf_err("SET INFRA error %d\n", err);
4524 } else if (WARN_ON(supports_11d && (is_11d != ifp->vif->is_11d))) {
4525 /* Multiple-BSS should use same 11d configuration */
4530 /* Interface specific setup */
4531 if (dev_role == NL80211_IFTYPE_AP) {
4532 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
4533 brcmf_fil_iovar_int_set(ifp, "mbss", 1);
4535 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
4537 brcmf_err("setting AP mode failed %d\n", err);
4541 /* Firmware 10.x requires setting channel after enabling
4542 * AP and before bringing interface up.
4544 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
4546 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4551 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4553 brcmf_err("BRCMF_C_UP error (%d)\n", err);
4556 /* On DOWN the firmware removes the WEP keys, reconfigure
4557 * them if they were set.
4559 brcmf_cfg80211_reconfigure_wep(ifp);
4561 memset(&join_params, 0, sizeof(join_params));
4562 /* join parameters starts with ssid */
4563 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
4565 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4566 &join_params, sizeof(join_params));
4568 brcmf_err("SET SSID error (%d)\n", err);
4572 if (settings->hidden_ssid) {
4573 err = brcmf_fil_iovar_int_set(ifp, "closednet", 1);
4575 brcmf_err("closednet error (%d)\n", err);
4580 brcmf_dbg(TRACE, "AP mode configuration complete\n");
4581 } else if (dev_role == NL80211_IFTYPE_P2P_GO) {
4582 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
4584 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4588 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
4591 brcmf_err("setting ssid failed %d\n", err);
4594 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx);
4595 bss_enable.enable = cpu_to_le32(1);
4596 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4597 sizeof(bss_enable));
4599 brcmf_err("bss_enable config failed %d\n", err);
4603 brcmf_dbg(TRACE, "GO mode configuration complete\n");
4608 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
4609 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4610 brcmf_net_setcarrier(ifp, true);
4613 if ((err) && (!mbss)) {
4614 brcmf_set_mpc(ifp, 1);
4615 brcmf_configure_arp_nd_offload(ifp, true);
4620 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
4622 struct brcmf_if *ifp = netdev_priv(ndev);
4624 struct brcmf_fil_bss_enable_le bss_enable;
4625 struct brcmf_join_params join_params;
4627 brcmf_dbg(TRACE, "Enter\n");
4629 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
4630 /* Due to most likely deauths outstanding we sleep */
4631 /* first to make sure they get processed by fw. */
4634 if (ifp->vif->mbss) {
4635 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4639 /* First BSS doesn't get a full reset */
4640 if (ifp->bsscfgidx == 0)
4641 brcmf_fil_iovar_int_set(ifp, "closednet", 0);
4643 memset(&join_params, 0, sizeof(join_params));
4644 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4645 &join_params, sizeof(join_params));
4647 brcmf_err("SET SSID error (%d)\n", err);
4648 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4650 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4651 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
4653 brcmf_err("setting AP mode failed %d\n", err);
4654 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
4655 brcmf_fil_iovar_int_set(ifp, "mbss", 0);
4656 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4658 /* Bring device back up so it can be used again */
4659 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4661 brcmf_err("BRCMF_C_UP error %d\n", err);
4663 brcmf_vif_clear_mgmt_ies(ifp->vif);
4665 bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx);
4666 bss_enable.enable = cpu_to_le32(0);
4667 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4668 sizeof(bss_enable));
4670 brcmf_err("bss_enable config failed %d\n", err);
4672 brcmf_set_mpc(ifp, 1);
4673 brcmf_configure_arp_nd_offload(ifp, true);
4674 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4675 brcmf_net_setcarrier(ifp, false);
4681 brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
4682 struct cfg80211_beacon_data *info)
4684 struct brcmf_if *ifp = netdev_priv(ndev);
4687 brcmf_dbg(TRACE, "Enter\n");
4689 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4695 brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
4696 struct station_del_parameters *params)
4698 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4699 struct brcmf_scb_val_le scbval;
4700 struct brcmf_if *ifp = netdev_priv(ndev);
4706 brcmf_dbg(TRACE, "Enter %pM\n", params->mac);
4708 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4709 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
4710 if (!check_vif_up(ifp->vif))
4713 memcpy(&scbval.ea, params->mac, ETH_ALEN);
4714 scbval.val = cpu_to_le32(params->reason_code);
4715 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
4716 &scbval, sizeof(scbval));
4718 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
4720 brcmf_dbg(TRACE, "Exit\n");
4725 brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev,
4726 const u8 *mac, struct station_parameters *params)
4728 struct brcmf_if *ifp = netdev_priv(ndev);
4731 brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac,
4732 params->sta_flags_mask, params->sta_flags_set);
4734 /* Ignore all 00 MAC */
4735 if (is_zero_ether_addr(mac))
4738 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4741 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4742 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE,
4743 (void *)mac, ETH_ALEN);
4745 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE,
4746 (void *)mac, ETH_ALEN);
4748 brcmf_err("Setting SCB (de-)authorize failed, %d\n", err);
4754 brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4755 struct wireless_dev *wdev,
4756 u16 frame_type, bool reg)
4758 struct brcmf_cfg80211_vif *vif;
4761 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4763 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
4764 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4766 vif->mgmt_rx_reg |= BIT(mgmt_type);
4768 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
4773 brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
4774 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
4776 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4777 struct ieee80211_channel *chan = params->chan;
4778 const u8 *buf = params->buf;
4779 size_t len = params->len;
4780 const struct ieee80211_mgmt *mgmt;
4781 struct brcmf_cfg80211_vif *vif;
4785 struct brcmf_fil_action_frame_le *action_frame;
4786 struct brcmf_fil_af_params_le *af_params;
4791 brcmf_dbg(TRACE, "Enter\n");
4795 mgmt = (const struct ieee80211_mgmt *)buf;
4797 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4798 brcmf_err("Driver only allows MGMT packet type\n");
4802 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4804 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4805 /* Right now the only reason to get a probe response */
4806 /* is for p2p listen response or for p2p GO from */
4807 /* wpa_supplicant. Unfortunately the probe is send */
4808 /* on primary ndev, while dongle wants it on the p2p */
4809 /* vif. Since this is only reason for a probe */
4810 /* response to be sent, the vif is taken from cfg. */
4811 /* If ever desired to send proberesp for non p2p */
4812 /* response then data should be checked for */
4813 /* "DIRECT-". Note in future supplicant will take */
4814 /* dedicated p2p wdev to do this and then this 'hack'*/
4815 /* is not needed anymore. */
4816 ie_offset = DOT11_MGMT_HDR_LEN +
4817 DOT11_BCN_PRB_FIXED_LEN;
4818 ie_len = len - ie_offset;
4819 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
4820 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4821 err = brcmf_vif_set_mgmt_ie(vif,
4822 BRCMF_VNDR_IE_PRBRSP_FLAG,
4825 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4827 } else if (ieee80211_is_action(mgmt->frame_control)) {
4828 if (len > BRCMF_FIL_ACTION_FRAME_SIZE + DOT11_MGMT_HDR_LEN) {
4829 brcmf_err("invalid action frame length\n");
4833 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4834 if (af_params == NULL) {
4835 brcmf_err("unable to allocate frame\n");
4839 action_frame = &af_params->action_frame;
4840 /* Add the packet Id */
4841 action_frame->packet_id = cpu_to_le32(*cookie);
4843 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4844 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4845 /* Add the length exepted for 802.11 header */
4846 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
4847 /* Add the channel. Use the one specified as parameter if any or
4848 * the current one (got from the firmware) otherwise
4851 freq = chan->center_freq;
4853 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4855 chan_nr = ieee80211_frequency_to_channel(freq);
4856 af_params->channel = cpu_to_le32(chan_nr);
4858 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4859 le16_to_cpu(action_frame->len));
4861 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
4862 *cookie, le16_to_cpu(action_frame->len), freq);
4864 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
4867 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4871 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4872 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%zu\n", len);
4881 brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4882 struct wireless_dev *wdev,
4885 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4886 struct brcmf_cfg80211_vif *vif;
4889 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4891 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4893 brcmf_err("No p2p device available for probe response\n");
4897 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4902 static int brcmf_cfg80211_get_channel(struct wiphy *wiphy,
4903 struct wireless_dev *wdev,
4904 struct cfg80211_chan_def *chandef)
4906 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4907 struct net_device *ndev = wdev->netdev;
4908 struct brcmf_if *ifp;
4909 struct brcmu_chan ch;
4910 enum nl80211_band band = 0;
4911 enum nl80211_chan_width width = 0;
4917 ifp = netdev_priv(ndev);
4919 err = brcmf_fil_iovar_int_get(ifp, "chanspec", &chanspec);
4921 brcmf_err("chanspec failed (%d)\n", err);
4925 ch.chspec = chanspec;
4926 cfg->d11inf.decchspec(&ch);
4929 case BRCMU_CHAN_BAND_2G:
4930 band = NL80211_BAND_2GHZ;
4932 case BRCMU_CHAN_BAND_5G:
4933 band = NL80211_BAND_5GHZ;
4938 case BRCMU_CHAN_BW_80:
4939 width = NL80211_CHAN_WIDTH_80;
4941 case BRCMU_CHAN_BW_40:
4942 width = NL80211_CHAN_WIDTH_40;
4944 case BRCMU_CHAN_BW_20:
4945 width = NL80211_CHAN_WIDTH_20;
4947 case BRCMU_CHAN_BW_80P80:
4948 width = NL80211_CHAN_WIDTH_80P80;
4950 case BRCMU_CHAN_BW_160:
4951 width = NL80211_CHAN_WIDTH_160;
4955 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band);
4956 chandef->chan = ieee80211_get_channel(wiphy, freq);
4957 chandef->width = width;
4958 chandef->center_freq1 = ieee80211_channel_to_frequency(ch.chnum, band);
4959 chandef->center_freq2 = 0;
4964 static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4965 struct wireless_dev *wdev,
4966 enum nl80211_crit_proto_id proto,
4969 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4970 struct brcmf_cfg80211_vif *vif;
4972 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4974 /* only DHCP support for now */
4975 if (proto != NL80211_CRIT_PROTO_DHCP)
4978 /* suppress and abort scanning */
4979 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4980 brcmf_abort_scanning(cfg);
4982 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4985 static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4986 struct wireless_dev *wdev)
4988 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4989 struct brcmf_cfg80211_vif *vif;
4991 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4993 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4994 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4998 brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4999 const struct brcmf_event_msg *e, void *data)
5001 switch (e->reason) {
5002 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
5003 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
5005 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
5006 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
5007 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
5009 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
5010 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
5011 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
5018 static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
5023 case NL80211_TDLS_DISCOVERY_REQ:
5024 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
5026 case NL80211_TDLS_SETUP:
5027 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
5029 case NL80211_TDLS_TEARDOWN:
5030 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
5033 brcmf_err("unsupported operation: %d\n", oper);
5039 static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
5040 struct net_device *ndev, const u8 *peer,
5041 enum nl80211_tdls_operation oper)
5043 struct brcmf_if *ifp;
5044 struct brcmf_tdls_iovar_le info;
5047 ret = brcmf_convert_nl80211_tdls_oper(oper);
5051 ifp = netdev_priv(ndev);
5052 memset(&info, 0, sizeof(info));
5053 info.mode = (u8)ret;
5055 memcpy(info.ea, peer, ETH_ALEN);
5057 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
5058 &info, sizeof(info));
5060 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
5066 brcmf_cfg80211_update_conn_params(struct wiphy *wiphy,
5067 struct net_device *ndev,
5068 struct cfg80211_connect_params *sme,
5071 struct brcmf_if *ifp;
5074 if (!(changed & UPDATE_ASSOC_IES))
5077 ifp = netdev_priv(ndev);
5078 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
5079 sme->ie, sme->ie_len);
5081 brcmf_err("Set Assoc REQ IE Failed\n");
5083 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
5090 brcmf_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *ndev,
5091 struct cfg80211_gtk_rekey_data *gtk)
5093 struct brcmf_if *ifp = netdev_priv(ndev);
5094 struct brcmf_gtk_keyinfo_le gtk_le;
5097 brcmf_dbg(TRACE, "Enter, bssidx=%d\n", ifp->bsscfgidx);
5099 memcpy(gtk_le.kck, gtk->kck, sizeof(gtk_le.kck));
5100 memcpy(gtk_le.kek, gtk->kek, sizeof(gtk_le.kek));
5101 memcpy(gtk_le.replay_counter, gtk->replay_ctr,
5102 sizeof(gtk_le.replay_counter));
5104 ret = brcmf_fil_iovar_data_set(ifp, "gtk_key_info", >k_le,
5107 brcmf_err("gtk_key_info iovar failed: ret=%d\n", ret);
5113 static int brcmf_cfg80211_set_pmk(struct wiphy *wiphy, struct net_device *dev,
5114 const struct cfg80211_pmk_conf *conf)
5116 struct brcmf_if *ifp;
5118 brcmf_dbg(TRACE, "enter\n");
5120 /* expect using firmware supplicant for 1X */
5121 ifp = netdev_priv(dev);
5122 if (WARN_ON(ifp->vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_1X))
5125 if (conf->pmk_len > BRCMF_WSEC_MAX_PSK_LEN)
5128 return brcmf_set_pmk(ifp, conf->pmk, conf->pmk_len);
5131 static int brcmf_cfg80211_del_pmk(struct wiphy *wiphy, struct net_device *dev,
5134 struct brcmf_if *ifp;
5136 brcmf_dbg(TRACE, "enter\n");
5137 ifp = netdev_priv(dev);
5138 if (WARN_ON(ifp->vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_1X))
5141 return brcmf_set_pmk(ifp, NULL, 0);
5144 static struct cfg80211_ops brcmf_cfg80211_ops = {
5145 .add_virtual_intf = brcmf_cfg80211_add_iface,
5146 .del_virtual_intf = brcmf_cfg80211_del_iface,
5147 .change_virtual_intf = brcmf_cfg80211_change_iface,
5148 .scan = brcmf_cfg80211_scan,
5149 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
5150 .join_ibss = brcmf_cfg80211_join_ibss,
5151 .leave_ibss = brcmf_cfg80211_leave_ibss,
5152 .get_station = brcmf_cfg80211_get_station,
5153 .dump_station = brcmf_cfg80211_dump_station,
5154 .set_tx_power = brcmf_cfg80211_set_tx_power,
5155 .get_tx_power = brcmf_cfg80211_get_tx_power,
5156 .add_key = brcmf_cfg80211_add_key,
5157 .del_key = brcmf_cfg80211_del_key,
5158 .get_key = brcmf_cfg80211_get_key,
5159 .set_default_key = brcmf_cfg80211_config_default_key,
5160 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
5161 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
5162 .connect = brcmf_cfg80211_connect,
5163 .disconnect = brcmf_cfg80211_disconnect,
5164 .suspend = brcmf_cfg80211_suspend,
5165 .resume = brcmf_cfg80211_resume,
5166 .set_pmksa = brcmf_cfg80211_set_pmksa,
5167 .del_pmksa = brcmf_cfg80211_del_pmksa,
5168 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
5169 .start_ap = brcmf_cfg80211_start_ap,
5170 .stop_ap = brcmf_cfg80211_stop_ap,
5171 .change_beacon = brcmf_cfg80211_change_beacon,
5172 .del_station = brcmf_cfg80211_del_station,
5173 .change_station = brcmf_cfg80211_change_station,
5174 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
5175 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
5176 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
5177 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
5178 .remain_on_channel = brcmf_p2p_remain_on_channel,
5179 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
5180 .get_channel = brcmf_cfg80211_get_channel,
5181 .start_p2p_device = brcmf_p2p_start_device,
5182 .stop_p2p_device = brcmf_p2p_stop_device,
5183 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
5184 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
5185 .tdls_oper = brcmf_cfg80211_tdls_oper,
5186 .update_connect_params = brcmf_cfg80211_update_conn_params,
5187 .set_pmk = brcmf_cfg80211_set_pmk,
5188 .del_pmk = brcmf_cfg80211_del_pmk,
5191 struct cfg80211_ops *brcmf_cfg80211_get_ops(void)
5193 return kmemdup(&brcmf_cfg80211_ops, sizeof(brcmf_cfg80211_ops),
5197 struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
5198 enum nl80211_iftype type)
5200 struct brcmf_cfg80211_vif *vif_walk;
5201 struct brcmf_cfg80211_vif *vif;
5204 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
5206 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
5208 return ERR_PTR(-ENOMEM);
5210 vif->wdev.wiphy = cfg->wiphy;
5211 vif->wdev.iftype = type;
5213 brcmf_init_prof(&vif->profile);
5215 if (type == NL80211_IFTYPE_AP) {
5217 list_for_each_entry(vif_walk, &cfg->vif_list, list) {
5218 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
5226 list_add_tail(&vif->list, &cfg->vif_list);
5230 void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
5232 list_del(&vif->list);
5236 void brcmf_cfg80211_free_netdev(struct net_device *ndev)
5238 struct brcmf_cfg80211_vif *vif;
5239 struct brcmf_if *ifp;
5241 ifp = netdev_priv(ndev);
5245 brcmf_free_vif(vif);
5248 static bool brcmf_is_linkup(struct brcmf_cfg80211_vif *vif,
5249 const struct brcmf_event_msg *e)
5251 u32 event = e->event_code;
5252 u32 status = e->status;
5254 if (vif->profile.use_fwsup == BRCMF_PROFILE_FWSUP_PSK &&
5255 event == BRCMF_E_PSK_SUP &&
5256 status == BRCMF_E_STATUS_FWSUP_COMPLETED)
5257 set_bit(BRCMF_VIF_STATUS_EAP_SUCCESS, &vif->sme_state);
5258 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
5259 brcmf_dbg(CONN, "Processing set ssid\n");
5260 memcpy(vif->profile.bssid, e->addr, ETH_ALEN);
5261 if (vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_PSK)
5264 set_bit(BRCMF_VIF_STATUS_ASSOC_SUCCESS, &vif->sme_state);
5267 if (test_bit(BRCMF_VIF_STATUS_EAP_SUCCESS, &vif->sme_state) &&
5268 test_bit(BRCMF_VIF_STATUS_ASSOC_SUCCESS, &vif->sme_state)) {
5269 clear_bit(BRCMF_VIF_STATUS_EAP_SUCCESS, &vif->sme_state);
5270 clear_bit(BRCMF_VIF_STATUS_ASSOC_SUCCESS, &vif->sme_state);
5276 static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
5278 u32 event = e->event_code;
5279 u16 flags = e->flags;
5281 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
5282 (event == BRCMF_E_DISASSOC_IND) ||
5283 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
5284 brcmf_dbg(CONN, "Processing link down\n");
5290 static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
5291 const struct brcmf_event_msg *e)
5293 u32 event = e->event_code;
5294 u32 status = e->status;
5296 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
5297 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
5298 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
5302 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
5303 brcmf_dbg(CONN, "Processing connecting & no network found\n");
5307 if (event == BRCMF_E_PSK_SUP &&
5308 status != BRCMF_E_STATUS_FWSUP_COMPLETED) {
5309 brcmf_dbg(CONN, "Processing failed supplicant state: %u\n",
5317 static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
5319 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5321 kfree(conn_info->req_ie);
5322 conn_info->req_ie = NULL;
5323 conn_info->req_ie_len = 0;
5324 kfree(conn_info->resp_ie);
5325 conn_info->resp_ie = NULL;
5326 conn_info->resp_ie_len = 0;
5329 static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
5330 struct brcmf_if *ifp)
5332 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
5333 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5338 brcmf_clear_assoc_ies(cfg);
5340 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
5341 cfg->extra_buf, WL_ASSOC_INFO_MAX);
5343 brcmf_err("could not get assoc info (%d)\n", err);
5347 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
5348 req_len = le32_to_cpu(assoc_info->req_len);
5349 resp_len = le32_to_cpu(assoc_info->resp_len);
5351 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
5355 brcmf_err("could not get assoc req (%d)\n", err);
5358 conn_info->req_ie_len = req_len;
5360 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
5363 conn_info->req_ie_len = 0;
5364 conn_info->req_ie = NULL;
5367 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
5371 brcmf_err("could not get assoc resp (%d)\n", err);
5374 conn_info->resp_ie_len = resp_len;
5375 conn_info->resp_ie =
5376 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
5379 conn_info->resp_ie_len = 0;
5380 conn_info->resp_ie = NULL;
5382 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
5383 conn_info->req_ie_len, conn_info->resp_ie_len);
5389 brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
5390 struct net_device *ndev,
5391 const struct brcmf_event_msg *e)
5393 struct brcmf_if *ifp = netdev_priv(ndev);
5394 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5395 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5396 struct wiphy *wiphy = cfg_to_wiphy(cfg);
5397 struct ieee80211_channel *notify_channel = NULL;
5398 struct ieee80211_supported_band *band;
5399 struct brcmf_bss_info_le *bi;
5400 struct brcmu_chan ch;
5401 struct cfg80211_roam_info roam_info = {};
5406 brcmf_dbg(TRACE, "Enter\n");
5408 brcmf_get_assoc_ies(cfg, ifp);
5409 memcpy(profile->bssid, e->addr, ETH_ALEN);
5410 brcmf_update_bss_info(cfg, ifp);
5412 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
5418 /* data sent to dongle has to be little endian */
5419 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
5420 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
5421 buf, WL_BSS_INFO_MAX);
5426 bi = (struct brcmf_bss_info_le *)(buf + 4);
5427 ch.chspec = le16_to_cpu(bi->chanspec);
5428 cfg->d11inf.decchspec(&ch);
5430 if (ch.band == BRCMU_CHAN_BAND_2G)
5431 band = wiphy->bands[NL80211_BAND_2GHZ];
5433 band = wiphy->bands[NL80211_BAND_5GHZ];
5435 freq = ieee80211_channel_to_frequency(ch.control_ch_num, band->band);
5436 notify_channel = ieee80211_get_channel(wiphy, freq);
5441 roam_info.channel = notify_channel;
5442 roam_info.bssid = profile->bssid;
5443 roam_info.req_ie = conn_info->req_ie;
5444 roam_info.req_ie_len = conn_info->req_ie_len;
5445 roam_info.resp_ie = conn_info->resp_ie;
5446 roam_info.resp_ie_len = conn_info->resp_ie_len;
5448 cfg80211_roamed(ndev, &roam_info, GFP_KERNEL);
5449 brcmf_dbg(CONN, "Report roaming result\n");
5451 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
5452 brcmf_dbg(TRACE, "Exit\n");
5457 brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
5458 struct net_device *ndev, const struct brcmf_event_msg *e,
5461 struct brcmf_if *ifp = netdev_priv(ndev);
5462 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5463 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
5464 struct cfg80211_connect_resp_params conn_params;
5466 brcmf_dbg(TRACE, "Enter\n");
5468 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5469 &ifp->vif->sme_state)) {
5470 memset(&conn_params, 0, sizeof(conn_params));
5472 brcmf_get_assoc_ies(cfg, ifp);
5473 brcmf_update_bss_info(cfg, ifp);
5474 set_bit(BRCMF_VIF_STATUS_CONNECTED,
5475 &ifp->vif->sme_state);
5476 conn_params.status = WLAN_STATUS_SUCCESS;
5478 conn_params.status = WLAN_STATUS_AUTH_TIMEOUT;
5480 conn_params.bssid = profile->bssid;
5481 conn_params.req_ie = conn_info->req_ie;
5482 conn_params.req_ie_len = conn_info->req_ie_len;
5483 conn_params.resp_ie = conn_info->resp_ie;
5484 conn_params.resp_ie_len = conn_info->resp_ie_len;
5485 cfg80211_connect_done(ndev, &conn_params, GFP_KERNEL);
5486 brcmf_dbg(CONN, "Report connect result - connection %s\n",
5487 completed ? "succeeded" : "failed");
5489 brcmf_dbg(TRACE, "Exit\n");
5494 brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
5495 struct net_device *ndev,
5496 const struct brcmf_event_msg *e, void *data)
5498 static int generation;
5499 u32 event = e->event_code;
5500 u32 reason = e->reason;
5501 struct station_info sinfo;
5503 brcmf_dbg(CONN, "event %s (%u), reason %d\n",
5504 brcmf_fweh_event_name(event), event, reason);
5505 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
5506 ndev != cfg_to_ndev(cfg)) {
5507 brcmf_dbg(CONN, "AP mode link down\n");
5508 complete(&cfg->vif_disabled);
5512 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
5513 (reason == BRCMF_E_STATUS_SUCCESS)) {
5514 memset(&sinfo, 0, sizeof(sinfo));
5516 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
5519 sinfo.assoc_req_ies = data;
5520 sinfo.assoc_req_ies_len = e->datalen;
5522 sinfo.generation = generation;
5523 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
5524 } else if ((event == BRCMF_E_DISASSOC_IND) ||
5525 (event == BRCMF_E_DEAUTH_IND) ||
5526 (event == BRCMF_E_DEAUTH)) {
5527 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
5533 brcmf_notify_connect_status(struct brcmf_if *ifp,
5534 const struct brcmf_event_msg *e, void *data)
5536 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5537 struct net_device *ndev = ifp->ndev;
5538 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
5539 struct ieee80211_channel *chan;
5542 if ((e->event_code == BRCMF_E_DEAUTH) ||
5543 (e->event_code == BRCMF_E_DEAUTH_IND) ||
5544 (e->event_code == BRCMF_E_DISASSOC_IND) ||
5545 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
5546 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
5549 if (brcmf_is_apmode(ifp->vif)) {
5550 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
5551 } else if (brcmf_is_linkup(ifp->vif, e)) {
5552 brcmf_dbg(CONN, "Linkup\n");
5553 if (brcmf_is_ibssmode(ifp->vif)) {
5554 brcmf_inform_ibss(cfg, ndev, e->addr);
5555 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
5556 memcpy(profile->bssid, e->addr, ETH_ALEN);
5557 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
5558 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5559 &ifp->vif->sme_state);
5560 set_bit(BRCMF_VIF_STATUS_CONNECTED,
5561 &ifp->vif->sme_state);
5563 brcmf_bss_connect_done(cfg, ndev, e, true);
5564 brcmf_net_setcarrier(ifp, true);
5565 } else if (brcmf_is_linkdown(e)) {
5566 brcmf_dbg(CONN, "Linkdown\n");
5567 if (!brcmf_is_ibssmode(ifp->vif)) {
5568 brcmf_bss_connect_done(cfg, ndev, e, false);
5569 brcmf_link_down(ifp->vif,
5570 brcmf_map_fw_linkdown_reason(e));
5571 brcmf_init_prof(ndev_to_prof(ndev));
5572 if (ndev != cfg_to_ndev(cfg))
5573 complete(&cfg->vif_disabled);
5574 brcmf_net_setcarrier(ifp, false);
5576 } else if (brcmf_is_nonetwork(cfg, e)) {
5577 if (brcmf_is_ibssmode(ifp->vif))
5578 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
5579 &ifp->vif->sme_state);
5581 brcmf_bss_connect_done(cfg, ndev, e, false);
5588 brcmf_notify_roaming_status(struct brcmf_if *ifp,
5589 const struct brcmf_event_msg *e, void *data)
5591 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5592 u32 event = e->event_code;
5593 u32 status = e->status;
5595 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
5596 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
5597 &ifp->vif->sme_state)) {
5598 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
5600 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
5601 brcmf_net_setcarrier(ifp, true);
5609 brcmf_notify_mic_status(struct brcmf_if *ifp,
5610 const struct brcmf_event_msg *e, void *data)
5612 u16 flags = e->flags;
5613 enum nl80211_key_type key_type;
5615 if (flags & BRCMF_EVENT_MSG_GROUP)
5616 key_type = NL80211_KEYTYPE_GROUP;
5618 key_type = NL80211_KEYTYPE_PAIRWISE;
5620 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
5626 static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
5627 const struct brcmf_event_msg *e, void *data)
5629 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5630 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
5631 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5632 struct brcmf_cfg80211_vif *vif;
5634 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfgidx %u\n",
5635 ifevent->action, ifevent->flags, ifevent->ifidx,
5636 ifevent->bsscfgidx);
5638 spin_lock(&event->vif_event_lock);
5639 event->action = ifevent->action;
5642 switch (ifevent->action) {
5643 case BRCMF_E_IF_ADD:
5644 /* waiting process may have timed out */
5645 if (!cfg->vif_event.vif) {
5646 spin_unlock(&event->vif_event_lock);
5653 vif->wdev.netdev = ifp->ndev;
5654 ifp->ndev->ieee80211_ptr = &vif->wdev;
5655 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
5657 spin_unlock(&event->vif_event_lock);
5658 wake_up(&event->vif_wq);
5661 case BRCMF_E_IF_DEL:
5662 spin_unlock(&event->vif_event_lock);
5663 /* event may not be upon user request */
5664 if (brcmf_cfg80211_vif_event_armed(cfg))
5665 wake_up(&event->vif_wq);
5668 case BRCMF_E_IF_CHANGE:
5669 spin_unlock(&event->vif_event_lock);
5670 wake_up(&event->vif_wq);
5674 spin_unlock(&event->vif_event_lock);
5680 static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
5682 conf->frag_threshold = (u32)-1;
5683 conf->rts_threshold = (u32)-1;
5684 conf->retry_short = (u32)-1;
5685 conf->retry_long = (u32)-1;
5688 static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5690 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
5691 brcmf_notify_connect_status);
5692 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
5693 brcmf_notify_connect_status);
5694 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
5695 brcmf_notify_connect_status);
5696 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
5697 brcmf_notify_connect_status);
5698 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
5699 brcmf_notify_connect_status);
5700 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
5701 brcmf_notify_connect_status);
5702 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
5703 brcmf_notify_roaming_status);
5704 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
5705 brcmf_notify_mic_status);
5706 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
5707 brcmf_notify_connect_status);
5708 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
5709 brcmf_notify_sched_scan_results);
5710 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
5711 brcmf_notify_vif_event);
5712 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
5713 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
5714 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
5715 brcmf_p2p_notify_listen_complete);
5716 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
5717 brcmf_p2p_notify_action_frame_rx);
5718 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
5719 brcmf_p2p_notify_action_tx_complete);
5720 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
5721 brcmf_p2p_notify_action_tx_complete);
5722 brcmf_fweh_register(cfg->pub, BRCMF_E_PSK_SUP,
5723 brcmf_notify_connect_status);
5726 static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
5730 kfree(cfg->extra_buf);
5731 cfg->extra_buf = NULL;
5732 kfree(cfg->wowl.nd);
5733 cfg->wowl.nd = NULL;
5734 kfree(cfg->wowl.nd_info);
5735 cfg->wowl.nd_info = NULL;
5736 kfree(cfg->escan_info.escan_buf);
5737 cfg->escan_info.escan_buf = NULL;
5740 static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
5742 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
5744 goto init_priv_mem_out;
5745 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
5746 if (!cfg->extra_buf)
5747 goto init_priv_mem_out;
5748 cfg->wowl.nd = kzalloc(sizeof(*cfg->wowl.nd) + sizeof(u32), GFP_KERNEL);
5750 goto init_priv_mem_out;
5751 cfg->wowl.nd_info = kzalloc(sizeof(*cfg->wowl.nd_info) +
5752 sizeof(struct cfg80211_wowlan_nd_match *),
5754 if (!cfg->wowl.nd_info)
5755 goto init_priv_mem_out;
5756 cfg->escan_info.escan_buf = kzalloc(BRCMF_ESCAN_BUF_SIZE, GFP_KERNEL);
5757 if (!cfg->escan_info.escan_buf)
5758 goto init_priv_mem_out;
5763 brcmf_deinit_priv_mem(cfg);
5768 static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5772 cfg->scan_request = NULL;
5773 cfg->pwr_save = true;
5774 cfg->dongle_up = false; /* dongle is not up yet */
5775 err = brcmf_init_priv_mem(cfg);
5778 brcmf_register_event_handlers(cfg);
5779 mutex_init(&cfg->usr_sync);
5780 brcmf_init_escan(cfg);
5781 brcmf_init_conf(cfg->conf);
5782 init_completion(&cfg->vif_disabled);
5786 static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5788 cfg->dongle_up = false; /* dongle down */
5789 brcmf_abort_scanning(cfg);
5790 brcmf_deinit_priv_mem(cfg);
5793 static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
5795 init_waitqueue_head(&event->vif_wq);
5796 spin_lock_init(&event->vif_event_lock);
5799 static s32 brcmf_dongle_roam(struct brcmf_if *ifp)
5803 __le32 roamtrigger[2];
5804 __le32 roam_delta[2];
5806 /* Configure beacon timeout value based upon roaming setting */
5807 if (ifp->drvr->settings->roamoff)
5808 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF;
5810 bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON;
5811 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5813 brcmf_err("bcn_timeout error (%d)\n", err);
5814 goto roam_setup_done;
5817 /* Enable/Disable built-in roaming to allow supplicant to take care of
5820 brcmf_dbg(INFO, "Internal Roaming = %s\n",
5821 ifp->drvr->settings->roamoff ? "Off" : "On");
5822 err = brcmf_fil_iovar_int_set(ifp, "roam_off",
5823 ifp->drvr->settings->roamoff);
5825 brcmf_err("roam_off error (%d)\n", err);
5826 goto roam_setup_done;
5829 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
5830 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
5831 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
5832 (void *)roamtrigger, sizeof(roamtrigger));
5834 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
5835 goto roam_setup_done;
5838 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
5839 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
5840 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
5841 (void *)roam_delta, sizeof(roam_delta));
5843 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
5844 goto roam_setup_done;
5852 brcmf_dongle_scantime(struct brcmf_if *ifp)
5856 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
5857 BRCMF_SCAN_CHANNEL_TIME);
5859 brcmf_err("Scan assoc time error (%d)\n", err);
5860 goto dongle_scantime_out;
5862 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
5863 BRCMF_SCAN_UNASSOC_TIME);
5865 brcmf_err("Scan unassoc time error (%d)\n", err);
5866 goto dongle_scantime_out;
5869 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
5870 BRCMF_SCAN_PASSIVE_TIME);
5872 brcmf_err("Scan passive time error (%d)\n", err);
5873 goto dongle_scantime_out;
5876 dongle_scantime_out:
5880 static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
5881 struct brcmu_chan *ch)
5885 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5886 if (ch->sb == BRCMU_CHAN_SB_U) {
5887 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5888 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5889 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5891 /* It should be one of
5892 * IEEE80211_CHAN_NO_HT40 or
5893 * IEEE80211_CHAN_NO_HT40PLUS
5895 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5896 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5897 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5901 static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5904 struct brcmf_if *ifp = brcmf_get_ifp(cfg->pub, 0);
5905 struct ieee80211_supported_band *band;
5906 struct ieee80211_channel *channel;
5907 struct wiphy *wiphy;
5908 struct brcmf_chanspec_list *list;
5909 struct brcmu_chan ch;
5916 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5921 list = (struct brcmf_chanspec_list *)pbuf;
5923 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5926 brcmf_err("get chanspecs error (%d)\n", err);
5930 wiphy = cfg_to_wiphy(cfg);
5931 band = wiphy->bands[NL80211_BAND_2GHZ];
5933 for (i = 0; i < band->n_channels; i++)
5934 band->channels[i].flags = IEEE80211_CHAN_DISABLED;
5935 band = wiphy->bands[NL80211_BAND_5GHZ];
5937 for (i = 0; i < band->n_channels; i++)
5938 band->channels[i].flags = IEEE80211_CHAN_DISABLED;
5940 total = le32_to_cpu(list->count);
5941 for (i = 0; i < total; i++) {
5942 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5943 cfg->d11inf.decchspec(&ch);
5945 if (ch.band == BRCMU_CHAN_BAND_2G) {
5946 band = wiphy->bands[NL80211_BAND_2GHZ];
5947 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
5948 band = wiphy->bands[NL80211_BAND_5GHZ];
5950 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
5955 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
5956 ch.bw == BRCMU_CHAN_BW_40)
5958 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
5959 ch.bw == BRCMU_CHAN_BW_80)
5963 for (j = 0; j < band->n_channels; j++) {
5964 if (band->channels[j].hw_value == ch.control_ch_num) {
5965 channel = &band->channels[j];
5970 /* It seems firmware supports some channel we never
5971 * considered. Something new in IEEE standard?
5973 brcmf_err("Ignoring unexpected firmware channel %d\n",
5978 if (channel->orig_flags & IEEE80211_CHAN_DISABLED)
5981 /* assuming the chanspecs order is HT20,
5982 * HT40 upper, HT40 lower, and VHT80.
5984 if (ch.bw == BRCMU_CHAN_BW_80) {
5985 channel->flags &= ~IEEE80211_CHAN_NO_80MHZ;
5986 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5987 brcmf_update_bw40_channel_flag(channel, &ch);
5989 /* enable the channel and disable other bandwidths
5990 * for now as mentioned order assure they are enabled
5991 * for subsequent chanspecs.
5993 channel->flags = IEEE80211_CHAN_NO_HT40 |
5994 IEEE80211_CHAN_NO_80MHZ;
5995 ch.bw = BRCMU_CHAN_BW_20;
5996 cfg->d11inf.encchspec(&ch);
5997 chaninfo = ch.chspec;
5998 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
6001 if (chaninfo & WL_CHAN_RADAR)
6003 (IEEE80211_CHAN_RADAR |
6004 IEEE80211_CHAN_NO_IR);
6005 if (chaninfo & WL_CHAN_PASSIVE)
6007 IEEE80211_CHAN_NO_IR;
6017 static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
6019 struct brcmf_if *ifp = brcmf_get_ifp(cfg->pub, 0);
6020 struct ieee80211_supported_band *band;
6021 struct brcmf_fil_bwcap_le band_bwcap;
6022 struct brcmf_chanspec_list *list;
6026 struct brcmu_chan ch;
6030 /* verify support for bw_cap command */
6032 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
6035 /* only set 2G bandwidth using bw_cap command */
6036 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
6037 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
6038 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
6039 sizeof(band_bwcap));
6041 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
6042 val = WLC_N_BW_40ALL;
6043 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
6047 /* update channel info in 2G band */
6048 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
6053 ch.band = BRCMU_CHAN_BAND_2G;
6054 ch.bw = BRCMU_CHAN_BW_40;
6055 ch.sb = BRCMU_CHAN_SB_NONE;
6057 cfg->d11inf.encchspec(&ch);
6059 /* pass encoded chanspec in query */
6060 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
6062 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
6065 brcmf_err("get chanspecs error (%d)\n", err);
6070 band = cfg_to_wiphy(cfg)->bands[NL80211_BAND_2GHZ];
6071 list = (struct brcmf_chanspec_list *)pbuf;
6072 num_chan = le32_to_cpu(list->count);
6073 for (i = 0; i < num_chan; i++) {
6074 ch.chspec = (u16)le32_to_cpu(list->element[i]);
6075 cfg->d11inf.decchspec(&ch);
6076 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
6078 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
6080 for (j = 0; j < band->n_channels; j++) {
6081 if (band->channels[j].hw_value == ch.control_ch_num)
6084 if (WARN_ON(j == band->n_channels))
6087 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
6094 static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
6096 u32 band, mimo_bwcap;
6100 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
6102 bw_cap[NL80211_BAND_2GHZ] = band;
6104 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
6106 bw_cap[NL80211_BAND_5GHZ] = band;
6112 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
6114 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
6116 /* assume 20MHz if firmware does not give a clue */
6117 mimo_bwcap = WLC_N_BW_20ALL;
6119 switch (mimo_bwcap) {
6120 case WLC_N_BW_40ALL:
6121 bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
6123 case WLC_N_BW_20IN2G_40IN5G:
6124 bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
6126 case WLC_N_BW_20ALL:
6127 bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
6128 bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
6131 brcmf_err("invalid mimo_bw_cap value\n");
6135 static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
6136 u32 bw_cap[2], u32 nchain)
6138 band->ht_cap.ht_supported = true;
6139 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
6140 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
6141 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6143 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
6144 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
6145 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
6146 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
6147 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
6148 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
6151 static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
6156 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
6157 mcs_map = (mcs_map << 2) | supp;
6159 return cpu_to_le16(mcs_map);
6162 static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
6163 u32 bw_cap[2], u32 nchain, u32 txstreams,
6164 u32 txbf_bfe_cap, u32 txbf_bfr_cap)
6168 /* not allowed in 2.4G band */
6169 if (band->band == NL80211_BAND_2GHZ)
6172 band->vht_cap.vht_supported = true;
6173 /* 80MHz is mandatory */
6174 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
6175 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
6176 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
6177 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
6179 /* all support 256-QAM */
6180 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
6181 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
6182 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
6184 /* Beamforming support information */
6185 if (txbf_bfe_cap & BRCMF_TXBF_SU_BFE_CAP)
6186 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
6187 if (txbf_bfe_cap & BRCMF_TXBF_MU_BFE_CAP)
6188 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
6189 if (txbf_bfr_cap & BRCMF_TXBF_SU_BFR_CAP)
6190 band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
6191 if (txbf_bfr_cap & BRCMF_TXBF_MU_BFR_CAP)
6192 band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
6194 if ((txbf_bfe_cap || txbf_bfr_cap) && (txstreams > 1)) {
6195 band->vht_cap.cap |=
6196 (2 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
6197 band->vht_cap.cap |= ((txstreams - 1) <<
6198 IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
6199 band->vht_cap.cap |=
6200 IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
6204 static int brcmf_setup_wiphybands(struct brcmf_cfg80211_info *cfg)
6206 struct brcmf_if *ifp = brcmf_get_ifp(cfg->pub, 0);
6207 struct wiphy *wiphy;
6210 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
6215 struct ieee80211_supported_band *band;
6217 u32 txbf_bfe_cap = 0;
6218 u32 txbf_bfr_cap = 0;
6220 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
6221 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
6223 brcmf_err("nmode error (%d)\n", err);
6225 brcmf_get_bwcap(ifp, bw_cap);
6227 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
6228 nmode, vhtmode, bw_cap[NL80211_BAND_2GHZ],
6229 bw_cap[NL80211_BAND_5GHZ]);
6231 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
6233 brcmf_err("rxchain error (%d)\n", err);
6236 for (nchain = 0; rxchain; nchain++)
6237 rxchain = rxchain & (rxchain - 1);
6239 brcmf_dbg(INFO, "nchain=%d\n", nchain);
6241 err = brcmf_construct_chaninfo(cfg, bw_cap);
6243 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
6248 (void)brcmf_fil_iovar_int_get(ifp, "txstreams", &txstreams);
6249 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfe_cap",
6251 (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfr_cap",
6255 wiphy = cfg_to_wiphy(cfg);
6256 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
6257 band = wiphy->bands[i];
6262 brcmf_update_ht_cap(band, bw_cap, nchain);
6264 brcmf_update_vht_cap(band, bw_cap, nchain, txstreams,
6265 txbf_bfe_cap, txbf_bfr_cap);
6271 static const struct ieee80211_txrx_stypes
6272 brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
6273 [NL80211_IFTYPE_STATION] = {
6275 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6276 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6278 [NL80211_IFTYPE_P2P_CLIENT] = {
6280 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6281 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6283 [NL80211_IFTYPE_P2P_GO] = {
6285 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
6286 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
6287 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
6288 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
6289 BIT(IEEE80211_STYPE_AUTH >> 4) |
6290 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
6291 BIT(IEEE80211_STYPE_ACTION >> 4)
6293 [NL80211_IFTYPE_P2P_DEVICE] = {
6295 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
6296 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
6301 * brcmf_setup_ifmodes() - determine interface modes and combinations.
6303 * @wiphy: wiphy object.
6304 * @ifp: interface object needed for feat module api.
6306 * The interface modes and combinations are determined dynamically here
6307 * based on firmware functionality.
6309 * no p2p and no mbss:
6311 * #STA <= 1, #AP <= 1, channels = 1, 2 total
6315 * #STA <= 1, #AP <= 1, channels = 1, 2 total
6316 * #AP <= 4, matching BI, channels = 1, 4 total
6318 * p2p, no mchan, and mbss:
6320 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total
6321 * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
6322 * #AP <= 4, matching BI, channels = 1, 4 total
6324 * p2p, mchan, and mbss:
6326 * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total
6327 * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
6328 * #AP <= 4, matching BI, channels = 1, 4 total
6330 static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
6332 struct ieee80211_iface_combination *combo = NULL;
6333 struct ieee80211_iface_limit *c0_limits = NULL;
6334 struct ieee80211_iface_limit *p2p_limits = NULL;
6335 struct ieee80211_iface_limit *mbss_limits = NULL;
6339 mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS);
6340 p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P);
6342 n_combos = 1 + !!p2p + !!mbss;
6343 combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL);
6347 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
6348 BIT(NL80211_IFTYPE_ADHOC) |
6349 BIT(NL80211_IFTYPE_AP);
6353 c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
6356 c0_limits[i].max = 1;
6357 c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
6359 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
6360 combo[c].num_different_channels = 2;
6362 combo[c].num_different_channels = 1;
6363 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
6364 BIT(NL80211_IFTYPE_P2P_GO) |
6365 BIT(NL80211_IFTYPE_P2P_DEVICE);
6366 c0_limits[i].max = 1;
6367 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
6368 c0_limits[i].max = 1;
6369 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
6370 BIT(NL80211_IFTYPE_P2P_GO);
6372 combo[c].num_different_channels = 1;
6373 c0_limits[i].max = 1;
6374 c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6376 combo[c].max_interfaces = i;
6377 combo[c].n_limits = i;
6378 combo[c].limits = c0_limits;
6383 p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);
6386 p2p_limits[i].max = 1;
6387 p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
6388 p2p_limits[i].max = 1;
6389 p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6390 p2p_limits[i].max = 1;
6391 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT);
6392 p2p_limits[i].max = 1;
6393 p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
6394 combo[c].num_different_channels = 1;
6395 combo[c].max_interfaces = i;
6396 combo[c].n_limits = i;
6397 combo[c].limits = p2p_limits;
6403 mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL);
6406 mbss_limits[i].max = 4;
6407 mbss_limits[i++].types = BIT(NL80211_IFTYPE_AP);
6408 combo[c].beacon_int_infra_match = true;
6409 combo[c].num_different_channels = 1;
6410 combo[c].max_interfaces = 4;
6411 combo[c].n_limits = i;
6412 combo[c].limits = mbss_limits;
6415 wiphy->n_iface_combinations = n_combos;
6416 wiphy->iface_combinations = combo;
6428 static const struct wiphy_wowlan_support brcmf_wowlan_support = {
6429 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
6430 .n_patterns = BRCMF_WOWL_MAXPATTERNS,
6431 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
6432 .pattern_min_len = 1,
6433 .max_pkt_offset = 1500,
6437 static void brcmf_wiphy_wowl_params(struct wiphy *wiphy, struct brcmf_if *ifp)
6440 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
6441 struct wiphy_wowlan_support *wowl;
6443 wowl = kmemdup(&brcmf_wowlan_support, sizeof(brcmf_wowlan_support),
6446 brcmf_err("only support basic wowlan features\n");
6447 wiphy->wowlan = &brcmf_wowlan_support;
6451 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) {
6452 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ND)) {
6453 wowl->flags |= WIPHY_WOWLAN_NET_DETECT;
6454 wowl->max_nd_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
6455 init_waitqueue_head(&cfg->wowl.nd_data_wait);
6458 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) {
6459 wowl->flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY;
6460 wowl->flags |= WIPHY_WOWLAN_GTK_REKEY_FAILURE;
6463 wiphy->wowlan = wowl;
6467 static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
6469 struct brcmf_pub *drvr = ifp->drvr;
6470 const struct ieee80211_iface_combination *combo;
6471 struct ieee80211_supported_band *band;
6472 u16 max_interfaces = 0;
6478 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
6479 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
6480 wiphy->max_num_pmkids = BRCMF_MAXPMKID;
6482 err = brcmf_setup_ifmodes(wiphy, ifp);
6486 for (i = 0, combo = wiphy->iface_combinations;
6487 i < wiphy->n_iface_combinations; i++, combo++) {
6488 max_interfaces = max(max_interfaces, combo->max_interfaces);
6491 for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses);
6493 u8 *addr = drvr->addresses[i].addr;
6495 memcpy(addr, drvr->mac, ETH_ALEN);
6498 addr[ETH_ALEN - 1] ^= i;
6501 wiphy->addresses = drvr->addresses;
6502 wiphy->n_addresses = i;
6504 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
6505 wiphy->cipher_suites = brcmf_cipher_suites;
6506 wiphy->n_cipher_suites = ARRAY_SIZE(brcmf_cipher_suites);
6507 if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP))
6508 wiphy->n_cipher_suites--;
6509 wiphy->bss_select_support = BIT(NL80211_BSS_SELECT_ATTR_RSSI) |
6510 BIT(NL80211_BSS_SELECT_ATTR_BAND_PREF) |
6511 BIT(NL80211_BSS_SELECT_ATTR_RSSI_ADJUST);
6513 wiphy->flags |= WIPHY_FLAG_NETNS_OK |
6514 WIPHY_FLAG_PS_ON_BY_DEFAULT |
6515 WIPHY_FLAG_OFFCHAN_TX |
6516 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
6517 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS))
6518 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
6519 if (!ifp->drvr->settings->roamoff)
6520 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
6521 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_FWSUP)) {
6522 wiphy_ext_feature_set(wiphy,
6523 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK);
6524 wiphy_ext_feature_set(wiphy,
6525 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X);
6527 wiphy->mgmt_stypes = brcmf_txrx_stypes;
6528 wiphy->max_remain_on_channel_duration = 5000;
6529 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) {
6530 gscan = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_GSCAN);
6531 brcmf_pno_wiphy_params(wiphy, gscan);
6533 /* vendor commands/events support */
6534 wiphy->vendor_commands = brcmf_vendor_cmds;
6535 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
6537 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
6538 brcmf_wiphy_wowl_params(wiphy, ifp);
6539 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist,
6542 brcmf_err("could not obtain band info: err=%d\n", err);
6545 /* first entry in bandlist is number of bands */
6546 n_bands = le32_to_cpu(bandlist[0]);
6547 for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) {
6548 if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) {
6549 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
6554 band->channels = kmemdup(&__wl_2ghz_channels,
6555 sizeof(__wl_2ghz_channels),
6557 if (!band->channels) {
6562 band->n_channels = ARRAY_SIZE(__wl_2ghz_channels);
6563 wiphy->bands[NL80211_BAND_2GHZ] = band;
6565 if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) {
6566 band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz),
6571 band->channels = kmemdup(&__wl_5ghz_channels,
6572 sizeof(__wl_5ghz_channels),
6574 if (!band->channels) {
6579 band->n_channels = ARRAY_SIZE(__wl_5ghz_channels);
6580 wiphy->bands[NL80211_BAND_5GHZ] = band;
6584 wiphy_read_of_freq_limits(wiphy);
6589 static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
6591 struct net_device *ndev;
6592 struct wireless_dev *wdev;
6593 struct brcmf_if *ifp;
6600 ndev = cfg_to_ndev(cfg);
6601 wdev = ndev->ieee80211_ptr;
6602 ifp = netdev_priv(ndev);
6604 /* make sure RF is ready for work */
6605 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
6607 brcmf_dongle_scantime(ifp);
6609 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
6610 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
6612 goto default_conf_out;
6613 brcmf_dbg(INFO, "power save set to %s\n",
6614 (power_mode ? "enabled" : "disabled"));
6616 err = brcmf_dongle_roam(ifp);
6618 goto default_conf_out;
6619 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
6622 goto default_conf_out;
6624 brcmf_configure_arp_nd_offload(ifp, true);
6626 cfg->dongle_up = true;
6633 static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
6635 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
6637 return brcmf_config_dongle(ifp->drvr->config);
6640 static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
6642 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
6645 * While going down, if associated with AP disassociate
6646 * from AP to save power
6648 if (check_vif_up(ifp->vif)) {
6649 brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED);
6651 /* Make sure WPA_Supplicant receives all the event
6652 generated due to DISASSOC call to the fw to keep
6653 the state fw and WPA_Supplicant state consistent
6658 brcmf_abort_scanning(cfg);
6659 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
6664 s32 brcmf_cfg80211_up(struct net_device *ndev)
6666 struct brcmf_if *ifp = netdev_priv(ndev);
6667 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
6670 mutex_lock(&cfg->usr_sync);
6671 err = __brcmf_cfg80211_up(ifp);
6672 mutex_unlock(&cfg->usr_sync);
6677 s32 brcmf_cfg80211_down(struct net_device *ndev)
6679 struct brcmf_if *ifp = netdev_priv(ndev);
6680 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
6683 mutex_lock(&cfg->usr_sync);
6684 err = __brcmf_cfg80211_down(ifp);
6685 mutex_unlock(&cfg->usr_sync);
6690 enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
6692 struct wireless_dev *wdev = &ifp->vif->wdev;
6694 return wdev->iftype;
6697 bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
6698 unsigned long state)
6700 struct brcmf_cfg80211_vif *vif;
6702 list_for_each_entry(vif, &cfg->vif_list, list) {
6703 if (test_bit(state, &vif->sme_state))
6709 static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
6714 spin_lock(&event->vif_event_lock);
6715 evt_action = event->action;
6716 spin_unlock(&event->vif_event_lock);
6717 return evt_action == action;
6720 void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
6721 struct brcmf_cfg80211_vif *vif)
6723 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6725 spin_lock(&event->vif_event_lock);
6728 spin_unlock(&event->vif_event_lock);
6731 bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
6733 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6736 spin_lock(&event->vif_event_lock);
6737 armed = event->vif != NULL;
6738 spin_unlock(&event->vif_event_lock);
6743 int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg,
6744 u8 action, ulong timeout)
6746 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
6748 return wait_event_timeout(event->vif_wq,
6749 vif_event_equals(event, action), timeout);
6752 static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2],
6753 struct brcmf_fil_country_le *ccreq)
6755 struct brcmfmac_pd_cc *country_codes;
6756 struct brcmfmac_pd_cc_entry *cc;
6760 country_codes = drvr->settings->country_codes;
6761 if (!country_codes) {
6762 brcmf_dbg(TRACE, "No country codes configured for device\n");
6766 if ((alpha2[0] == ccreq->country_abbrev[0]) &&
6767 (alpha2[1] == ccreq->country_abbrev[1])) {
6768 brcmf_dbg(TRACE, "Country code already set\n");
6773 for (i = 0; i < country_codes->table_size; i++) {
6774 cc = &country_codes->table[i];
6775 if ((cc->iso3166[0] == '\0') && (found_index == -1))
6777 if ((cc->iso3166[0] == alpha2[0]) &&
6778 (cc->iso3166[1] == alpha2[1])) {
6783 if (found_index == -1) {
6784 brcmf_dbg(TRACE, "No country code match found\n");
6787 memset(ccreq, 0, sizeof(*ccreq));
6788 ccreq->rev = cpu_to_le32(country_codes->table[found_index].rev);
6789 memcpy(ccreq->ccode, country_codes->table[found_index].cc,
6790 BRCMF_COUNTRY_BUF_SZ);
6791 ccreq->country_abbrev[0] = alpha2[0];
6792 ccreq->country_abbrev[1] = alpha2[1];
6793 ccreq->country_abbrev[2] = 0;
6798 static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
6799 struct regulatory_request *req)
6801 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
6802 struct brcmf_if *ifp = brcmf_get_ifp(cfg->pub, 0);
6803 struct brcmf_fil_country_le ccreq;
6807 /* The country code gets set to "00" by default at boot, ignore */
6808 if (req->alpha2[0] == '0' && req->alpha2[1] == '0')
6811 /* ignore non-ISO3166 country codes */
6812 for (i = 0; i < 2; i++)
6813 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
6814 brcmf_err("not an ISO3166 code (0x%02x 0x%02x)\n",
6815 req->alpha2[0], req->alpha2[1]);
6819 brcmf_dbg(TRACE, "Enter: initiator=%d, alpha=%c%c\n", req->initiator,
6820 req->alpha2[0], req->alpha2[1]);
6822 err = brcmf_fil_iovar_data_get(ifp, "country", &ccreq, sizeof(ccreq));
6824 brcmf_err("Country code iovar returned err = %d\n", err);
6828 err = brcmf_translate_country_code(ifp->drvr, req->alpha2, &ccreq);
6832 err = brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq));
6834 brcmf_err("Firmware rejected country setting\n");
6837 brcmf_setup_wiphybands(cfg);
6840 static void brcmf_free_wiphy(struct wiphy *wiphy)
6847 if (wiphy->iface_combinations) {
6848 for (i = 0; i < wiphy->n_iface_combinations; i++)
6849 kfree(wiphy->iface_combinations[i].limits);
6851 kfree(wiphy->iface_combinations);
6852 if (wiphy->bands[NL80211_BAND_2GHZ]) {
6853 kfree(wiphy->bands[NL80211_BAND_2GHZ]->channels);
6854 kfree(wiphy->bands[NL80211_BAND_2GHZ]);
6856 if (wiphy->bands[NL80211_BAND_5GHZ]) {
6857 kfree(wiphy->bands[NL80211_BAND_5GHZ]->channels);
6858 kfree(wiphy->bands[NL80211_BAND_5GHZ]);
6860 #if IS_ENABLED(CONFIG_PM)
6861 if (wiphy->wowlan != &brcmf_wowlan_support)
6862 kfree(wiphy->wowlan);
6866 struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
6867 struct cfg80211_ops *ops,
6870 struct wiphy *wiphy = drvr->wiphy;
6871 struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev;
6872 struct brcmf_cfg80211_info *cfg;
6873 struct brcmf_cfg80211_vif *vif;
6874 struct brcmf_if *ifp;
6880 brcmf_err("ndev is invalid\n");
6884 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
6886 brcmf_err("Could not allocate wiphy device\n");
6892 init_vif_event(&cfg->vif_event);
6893 INIT_LIST_HEAD(&cfg->vif_list);
6895 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION);
6899 ifp = netdev_priv(ndev);
6901 vif->wdev.netdev = ndev;
6902 ndev->ieee80211_ptr = &vif->wdev;
6903 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
6905 err = wl_init_priv(cfg);
6907 brcmf_err("Failed to init iwm_priv (%d)\n", err);
6908 brcmf_free_vif(vif);
6913 /* determine d11 io type before wiphy setup */
6914 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
6916 brcmf_err("Failed to get D11 version (%d)\n", err);
6919 cfg->d11inf.io_type = (u8)io_type;
6920 brcmu_d11_attach(&cfg->d11inf);
6922 err = brcmf_setup_wiphy(wiphy, ifp);
6926 /* regulatory notifer below needs access to cfg so
6931 brcmf_dbg(INFO, "Registering custom regulatory\n");
6932 wiphy->reg_notifier = brcmf_cfg80211_reg_notifier;
6933 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
6934 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
6936 /* firmware defaults to 40MHz disabled in 2G band. We signal
6937 * cfg80211 here that we do and have it decide we can enable
6938 * it. But first check if device does support 2G operation.
6940 if (wiphy->bands[NL80211_BAND_2GHZ]) {
6941 cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap.cap;
6942 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6945 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK))
6946 ops->set_rekey_data = brcmf_cfg80211_set_rekey_data;
6948 err = wiphy_register(wiphy);
6950 brcmf_err("Could not register wiphy device (%d)\n", err);
6954 err = brcmf_setup_wiphybands(cfg);
6956 brcmf_err("Setting wiphy bands failed (%d)\n", err);
6957 goto wiphy_unreg_out;
6960 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
6961 * setup 40MHz in 2GHz band and enable OBSS scanning.
6963 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
6964 err = brcmf_enable_bw40_2g(cfg);
6966 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
6967 BRCMF_OBSS_COEX_AUTO);
6969 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6972 err = brcmf_fweh_activate_events(ifp);
6974 brcmf_err("FWEH activation failed (%d)\n", err);
6975 goto wiphy_unreg_out;
6978 err = brcmf_p2p_attach(cfg, p2pdev_forced);
6980 brcmf_err("P2P initialisation failed (%d)\n", err);
6981 goto wiphy_unreg_out;
6983 err = brcmf_btcoex_attach(cfg);
6985 brcmf_err("BT-coex initialisation failed (%d)\n", err);
6986 brcmf_p2p_detach(&cfg->p2p);
6987 goto wiphy_unreg_out;
6989 err = brcmf_pno_attach(cfg);
6991 brcmf_err("PNO initialisation failed (%d)\n", err);
6992 brcmf_btcoex_detach(cfg);
6993 brcmf_p2p_detach(&cfg->p2p);
6994 goto wiphy_unreg_out;
6997 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) {
6998 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
7000 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
7001 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
7003 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
7004 brcmf_notify_tdls_peer_event);
7008 /* (re-) activate FWEH event handling */
7009 err = brcmf_fweh_activate_events(ifp);
7011 brcmf_err("FWEH activation failed (%d)\n", err);
7015 /* Fill in some of the advertised nl80211 supported features */
7016 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) {
7017 wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
7019 if (wiphy->wowlan &&
7020 wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT)
7021 wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7028 brcmf_pno_detach(cfg);
7029 brcmf_btcoex_detach(cfg);
7030 brcmf_p2p_detach(&cfg->p2p);
7032 wiphy_unregister(cfg->wiphy);
7034 wl_deinit_priv(cfg);
7035 brcmf_free_vif(vif);
7038 brcmf_free_wiphy(wiphy);
7043 void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
7048 brcmf_pno_detach(cfg);
7049 brcmf_btcoex_detach(cfg);
7050 wiphy_unregister(cfg->wiphy);
7052 wl_deinit_priv(cfg);
7053 brcmf_free_wiphy(cfg->wiphy);