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"
35 #include "wl_cfg80211.h"
41 #define BRCMF_SCAN_IE_LEN_MAX 2048
42 #define BRCMF_PNO_VERSION 2
43 #define BRCMF_PNO_TIME 30
44 #define BRCMF_PNO_REPEAT 4
45 #define BRCMF_PNO_FREQ_EXPO_MAX 3
46 #define BRCMF_PNO_MAX_PFN_COUNT 16
47 #define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
48 #define BRCMF_PNO_HIDDEN_BIT 2
49 #define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
50 #define BRCMF_PNO_SCAN_COMPLETE 1
51 #define BRCMF_PNO_SCAN_INCOMPLETE 0
53 #define BRCMF_IFACE_MAX_CNT 3
55 #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
56 #define WPA_OUI_TYPE 1
57 #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
58 #define WME_OUI_TYPE 2
59 #define WPS_OUI_TYPE 4
61 #define VS_IE_FIXED_HDR_LEN 6
62 #define WPA_IE_VERSION_LEN 2
63 #define WPA_IE_MIN_OUI_LEN 4
64 #define WPA_IE_SUITE_COUNT_LEN 2
66 #define WPA_CIPHER_NONE 0 /* None */
67 #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
68 #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
69 #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
70 #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
72 #define RSN_AKM_NONE 0 /* None (IBSS) */
73 #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
74 #define RSN_AKM_PSK 2 /* Pre-shared Key */
75 #define RSN_CAP_LEN 2 /* Length of RSN capabilities */
76 #define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
78 #define VNDR_IE_CMD_LEN 4 /* length of the set command
79 * string :"add", "del" (+ NUL)
81 #define VNDR_IE_COUNT_OFFSET 4
82 #define VNDR_IE_PKTFLAG_OFFSET 8
83 #define VNDR_IE_VSIE_OFFSET 12
84 #define VNDR_IE_HDR_SIZE 12
85 #define VNDR_IE_PARSE_LIMIT 5
87 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
88 #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
90 #define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
91 #define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
92 #define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
94 #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
95 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
97 static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
99 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
100 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
107 #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
108 #define RATETAB_ENT(_rateid, _flags) \
110 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
111 .hw_value = (_rateid), \
115 static struct ieee80211_rate __wl_rates[] = {
116 RATETAB_ENT(BRCM_RATE_1M, 0),
117 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
118 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
119 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
120 RATETAB_ENT(BRCM_RATE_6M, 0),
121 RATETAB_ENT(BRCM_RATE_9M, 0),
122 RATETAB_ENT(BRCM_RATE_12M, 0),
123 RATETAB_ENT(BRCM_RATE_18M, 0),
124 RATETAB_ENT(BRCM_RATE_24M, 0),
125 RATETAB_ENT(BRCM_RATE_36M, 0),
126 RATETAB_ENT(BRCM_RATE_48M, 0),
127 RATETAB_ENT(BRCM_RATE_54M, 0),
130 #define wl_a_rates (__wl_rates + 4)
131 #define wl_a_rates_size 8
132 #define wl_g_rates (__wl_rates + 0)
133 #define wl_g_rates_size 12
135 /* Band templates duplicated per wiphy. The channel info
136 * is filled in after querying the device.
138 static const struct ieee80211_supported_band __wl_band_2ghz = {
139 .band = IEEE80211_BAND_2GHZ,
140 .bitrates = wl_g_rates,
141 .n_bitrates = wl_g_rates_size,
144 static const struct ieee80211_supported_band __wl_band_5ghz_a = {
145 .band = IEEE80211_BAND_5GHZ,
146 .bitrates = wl_a_rates,
147 .n_bitrates = wl_a_rates_size,
150 /* This is to override regulatory domains defined in cfg80211 module (reg.c)
151 * By default world regulatory domain defined in reg.c puts the flags
152 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
153 * With respect to these flags, wpa_supplicant doesn't * start p2p
154 * operations on 5GHz channels. All the changes in world regulatory
155 * domain are to be done here.
157 static const struct ieee80211_regdomain brcmf_regdom = {
161 /* IEEE 802.11b/g, channels 1..11 */
162 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
164 /* IEEE 802.11 channel 14 - Only JP enables
165 * this and for 802.11b only
167 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
168 /* IEEE 802.11a, channel 36..64 */
169 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
170 /* IEEE 802.11a, channel 100..165 */
171 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
174 static const u32 __wl_cipher_suites[] = {
175 WLAN_CIPHER_SUITE_WEP40,
176 WLAN_CIPHER_SUITE_WEP104,
177 WLAN_CIPHER_SUITE_TKIP,
178 WLAN_CIPHER_SUITE_CCMP,
179 WLAN_CIPHER_SUITE_AES_CMAC,
182 /* Vendor specific ie. id = 221, oui and type defines exact ie */
183 struct brcmf_vs_tlv {
190 struct parsed_vndr_ie_info {
192 u32 ie_len; /* total length including id & length field */
193 struct brcmf_vs_tlv vndrie;
196 struct parsed_vndr_ies {
198 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
201 static int brcmf_roamoff;
202 module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
203 MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
205 /* Quarter dBm units to mW
206 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
207 * Table is offset so the last entry is largest mW value that fits in
211 #define QDBM_OFFSET 153 /* Offset for first entry */
212 #define QDBM_TABLE_LEN 40 /* Table size */
214 /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
215 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
217 #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
219 /* Largest mW value that will round down to the last table entry,
220 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
221 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
222 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
224 #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
226 static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
227 /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
228 /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
229 /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
230 /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
231 /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
232 /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
235 static u16 brcmf_qdbm_to_mw(u8 qdbm)
238 int idx = qdbm - QDBM_OFFSET;
240 if (idx >= QDBM_TABLE_LEN)
241 /* clamp to max u16 mW value */
244 /* scale the qdBm index up to the range of the table 0-40
245 * where an offset of 40 qdBm equals a factor of 10 mW.
252 /* return the mW value scaled down to the correct factor of 10,
253 * adding in factor/2 to get proper rounding.
255 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
258 static u8 brcmf_mw_to_qdbm(u16 mw)
265 /* handle boundary case */
269 offset = QDBM_OFFSET;
271 /* move mw into the range of the table */
272 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
277 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
278 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
279 nqdBm_to_mW_map[qdbm]) / 2;
280 if (mw_uint < boundary)
289 static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
290 struct cfg80211_chan_def *ch)
292 struct brcmu_chan ch_inf;
295 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
296 ch->chan->center_freq, ch->center_freq1, ch->width);
297 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
298 primary_offset = ch->center_freq1 - ch->chan->center_freq;
300 case NL80211_CHAN_WIDTH_20:
301 ch_inf.bw = BRCMU_CHAN_BW_20;
302 WARN_ON(primary_offset != 0);
304 case NL80211_CHAN_WIDTH_40:
305 ch_inf.bw = BRCMU_CHAN_BW_40;
306 if (primary_offset < 0)
307 ch_inf.sb = BRCMU_CHAN_SB_U;
309 ch_inf.sb = BRCMU_CHAN_SB_L;
311 case NL80211_CHAN_WIDTH_80:
312 ch_inf.bw = BRCMU_CHAN_BW_80;
313 if (primary_offset < 0) {
314 if (primary_offset < -CH_10MHZ_APART)
315 ch_inf.sb = BRCMU_CHAN_SB_UU;
317 ch_inf.sb = BRCMU_CHAN_SB_UL;
319 if (primary_offset > CH_10MHZ_APART)
320 ch_inf.sb = BRCMU_CHAN_SB_LL;
322 ch_inf.sb = BRCMU_CHAN_SB_LU;
328 switch (ch->chan->band) {
329 case IEEE80211_BAND_2GHZ:
330 ch_inf.band = BRCMU_CHAN_BAND_2G;
332 case IEEE80211_BAND_5GHZ:
333 ch_inf.band = BRCMU_CHAN_BAND_5G;
338 d11inf->encchspec(&ch_inf);
340 return ch_inf.chspec;
343 u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
344 struct ieee80211_channel *ch)
346 struct brcmu_chan ch_inf;
348 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
349 ch_inf.bw = BRCMU_CHAN_BW_20;
350 d11inf->encchspec(&ch_inf);
352 return ch_inf.chspec;
355 /* Traverse a string of 1-byte tag/1-byte length/variable-length value
356 * triples, returning a pointer to the substring whose first element
359 const struct brcmf_tlv *
360 brcmf_parse_tlvs(const void *buf, int buflen, uint key)
362 const struct brcmf_tlv *elt = buf;
365 /* find tagged parameter */
366 while (totlen >= TLV_HDR_LEN) {
369 /* validate remaining totlen */
370 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
373 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
374 totlen -= (len + TLV_HDR_LEN);
380 /* Is any of the tlvs the expected entry? If
381 * not update the tlvs buffer pointer/length.
384 brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
385 const u8 *oui, u32 oui_len, u8 type)
387 /* If the contents match the OUI and the type */
388 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
389 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
390 type == ie[TLV_BODY_OFF + oui_len]) {
396 /* point to the next ie */
397 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
398 /* calculate the length of the rest of the buffer */
399 *tlvs_len -= (int)(ie - *tlvs);
400 /* update the pointer to the start of the buffer */
406 static struct brcmf_vs_tlv *
407 brcmf_find_wpaie(const u8 *parse, u32 len)
409 const struct brcmf_tlv *ie;
411 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
412 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
413 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
414 return (struct brcmf_vs_tlv *)ie;
419 static struct brcmf_vs_tlv *
420 brcmf_find_wpsie(const u8 *parse, u32 len)
422 const struct brcmf_tlv *ie;
424 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
425 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
426 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
427 return (struct brcmf_vs_tlv *)ie;
433 static void convert_key_from_CPU(struct brcmf_wsec_key *key,
434 struct brcmf_wsec_key_le *key_le)
436 key_le->index = cpu_to_le32(key->index);
437 key_le->len = cpu_to_le32(key->len);
438 key_le->algo = cpu_to_le32(key->algo);
439 key_le->flags = cpu_to_le32(key->flags);
440 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
441 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
442 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
443 memcpy(key_le->data, key->data, sizeof(key->data));
444 memcpy(key_le->ea, key->ea, sizeof(key->ea));
448 send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key)
451 struct brcmf_wsec_key_le key_le;
453 convert_key_from_CPU(key, &key_le);
455 brcmf_netdev_wait_pend8021x(ndev);
457 err = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "wsec_key", &key_le,
461 brcmf_err("wsec_key error (%d)\n", err);
466 brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
472 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
476 /* Try to set and enable ARP offload feature, this may fail, then it */
477 /* is simply not supported and err 0 will be returned */
478 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
480 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
484 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
486 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
490 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
498 brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
500 struct net_device *ndev = wdev->netdev;
501 struct brcmf_if *ifp = netdev_priv(ndev);
503 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
504 (wdev->iftype == NL80211_IFTYPE_AP) ||
505 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
506 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
509 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
513 static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
515 enum nl80211_iftype iftype;
517 iftype = vif->wdev.iftype;
518 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
521 static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
523 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
526 static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
528 enum nl80211_iftype type,
530 struct vif_params *params)
532 struct wireless_dev *wdev;
534 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
536 case NL80211_IFTYPE_ADHOC:
537 case NL80211_IFTYPE_STATION:
538 case NL80211_IFTYPE_AP:
539 case NL80211_IFTYPE_AP_VLAN:
540 case NL80211_IFTYPE_WDS:
541 case NL80211_IFTYPE_MONITOR:
542 case NL80211_IFTYPE_MESH_POINT:
543 return ERR_PTR(-EOPNOTSUPP);
544 case NL80211_IFTYPE_P2P_CLIENT:
545 case NL80211_IFTYPE_P2P_GO:
546 case NL80211_IFTYPE_P2P_DEVICE:
547 wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params);
549 brcmf_cfg80211_update_proto_addr_mode(wdev);
551 case NL80211_IFTYPE_UNSPECIFIED:
553 return ERR_PTR(-EINVAL);
557 static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
559 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
560 brcmf_set_mpc(ifp, mpc);
563 void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
567 if (check_vif_up(ifp->vif)) {
568 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
570 brcmf_err("fail to set mpc\n");
573 brcmf_dbg(INFO, "MPC : %d\n", mpc);
577 s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
578 struct brcmf_if *ifp, bool aborted,
581 struct brcmf_scan_params_le params_le;
582 struct cfg80211_scan_request *scan_request;
585 brcmf_dbg(SCAN, "Enter\n");
587 /* clear scan request, because the FW abort can cause a second call */
588 /* to this functon and might cause a double cfg80211_scan_done */
589 scan_request = cfg->scan_request;
590 cfg->scan_request = NULL;
592 if (timer_pending(&cfg->escan_timeout))
593 del_timer_sync(&cfg->escan_timeout);
596 /* Do a scan abort to stop the driver's scan engine */
597 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
598 memset(¶ms_le, 0, sizeof(params_le));
599 memset(params_le.bssid, 0xFF, ETH_ALEN);
600 params_le.bss_type = DOT11_BSSTYPE_ANY;
601 params_le.scan_type = 0;
602 params_le.channel_num = cpu_to_le32(1);
603 params_le.nprobes = cpu_to_le32(1);
604 params_le.active_time = cpu_to_le32(-1);
605 params_le.passive_time = cpu_to_le32(-1);
606 params_le.home_time = cpu_to_le32(-1);
607 /* Scan is aborted by setting channel_list[0] to -1 */
608 params_le.channel_list[0] = cpu_to_le16(-1);
609 /* E-Scan (or anyother type) can be aborted by SCAN */
610 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
611 ¶ms_le, sizeof(params_le));
613 brcmf_err("Scan abort failed\n");
616 brcmf_scan_config_mpc(ifp, 1);
619 * e-scan can be initiated by scheduled scan
620 * which takes precedence.
622 if (cfg->sched_escan) {
623 brcmf_dbg(SCAN, "scheduled scan completed\n");
624 cfg->sched_escan = false;
626 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
627 } else if (scan_request) {
628 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
629 aborted ? "Aborted" : "Done");
630 cfg80211_scan_done(scan_request, aborted);
632 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
633 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
639 int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
641 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
642 struct net_device *ndev = wdev->netdev;
644 /* vif event pending in firmware */
645 if (brcmf_cfg80211_vif_event_armed(cfg))
649 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
650 cfg->escan_info.ifp == netdev_priv(ndev))
651 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
654 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
657 switch (wdev->iftype) {
658 case NL80211_IFTYPE_ADHOC:
659 case NL80211_IFTYPE_STATION:
660 case NL80211_IFTYPE_AP:
661 case NL80211_IFTYPE_AP_VLAN:
662 case NL80211_IFTYPE_WDS:
663 case NL80211_IFTYPE_MONITOR:
664 case NL80211_IFTYPE_MESH_POINT:
666 case NL80211_IFTYPE_P2P_CLIENT:
667 case NL80211_IFTYPE_P2P_GO:
668 case NL80211_IFTYPE_P2P_DEVICE:
669 return brcmf_p2p_del_vif(wiphy, wdev);
670 case NL80211_IFTYPE_UNSPECIFIED:
678 brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
679 enum nl80211_iftype type, u32 *flags,
680 struct vif_params *params)
682 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
683 struct brcmf_if *ifp = netdev_priv(ndev);
684 struct brcmf_cfg80211_vif *vif = ifp->vif;
689 brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
692 case NL80211_IFTYPE_MONITOR:
693 case NL80211_IFTYPE_WDS:
694 brcmf_err("type (%d) : currently we do not support this type\n",
697 case NL80211_IFTYPE_ADHOC:
700 case NL80211_IFTYPE_STATION:
701 /* Ignore change for p2p IF. Unclear why supplicant does this */
702 if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
703 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
704 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
705 /* WAR: It is unexpected to get a change of VIF for P2P
706 * IF, but it happens. The request can not be handled
707 * but returning EPERM causes a crash. Returning 0
708 * without setting ieee80211_ptr->iftype causes trace
709 * (WARN_ON) but it works with wpa_supplicant
715 case NL80211_IFTYPE_AP:
716 case NL80211_IFTYPE_P2P_GO:
725 if (type == NL80211_IFTYPE_P2P_GO) {
726 brcmf_dbg(INFO, "IF Type = P2P GO\n");
727 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
730 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
731 brcmf_dbg(INFO, "IF Type = AP\n");
734 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
736 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
740 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
743 ndev->ieee80211_ptr->iftype = type;
745 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
748 brcmf_dbg(TRACE, "Exit\n");
753 static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
754 struct brcmf_scan_params_le *params_le,
755 struct cfg80211_scan_request *request)
763 struct brcmf_ssid_le ssid_le;
765 memset(params_le->bssid, 0xFF, ETH_ALEN);
766 params_le->bss_type = DOT11_BSSTYPE_ANY;
767 params_le->scan_type = 0;
768 params_le->channel_num = 0;
769 params_le->nprobes = cpu_to_le32(-1);
770 params_le->active_time = cpu_to_le32(-1);
771 params_le->passive_time = cpu_to_le32(-1);
772 params_le->home_time = cpu_to_le32(-1);
773 memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le));
775 /* if request is null exit so it will be all channel broadcast scan */
779 n_ssids = request->n_ssids;
780 n_channels = request->n_channels;
781 /* Copy channel array if applicable */
782 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
784 if (n_channels > 0) {
785 for (i = 0; i < n_channels; i++) {
786 chanspec = channel_to_chanspec(&cfg->d11inf,
787 request->channels[i]);
788 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
789 request->channels[i]->hw_value, chanspec);
790 params_le->channel_list[i] = cpu_to_le16(chanspec);
793 brcmf_dbg(SCAN, "Scanning all channels\n");
795 /* Copy ssid array if applicable */
796 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
798 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
799 n_channels * sizeof(u16);
800 offset = roundup(offset, sizeof(u32));
801 ptr = (char *)params_le + offset;
802 for (i = 0; i < n_ssids; i++) {
803 memset(&ssid_le, 0, sizeof(ssid_le));
805 cpu_to_le32(request->ssids[i].ssid_len);
806 memcpy(ssid_le.SSID, request->ssids[i].ssid,
807 request->ssids[i].ssid_len);
808 if (!ssid_le.SSID_len)
809 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
811 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
812 i, ssid_le.SSID, ssid_le.SSID_len);
813 memcpy(ptr, &ssid_le, sizeof(ssid_le));
814 ptr += sizeof(ssid_le);
817 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
818 if ((request->ssids) && request->ssids->ssid_len) {
819 brcmf_dbg(SCAN, "SSID %s len=%d\n",
820 params_le->ssid_le.SSID,
821 request->ssids->ssid_len);
822 params_le->ssid_le.SSID_len =
823 cpu_to_le32(request->ssids->ssid_len);
824 memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid,
825 request->ssids->ssid_len);
828 /* Adding mask to channel numbers */
829 params_le->channel_num =
830 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
831 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
835 brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
836 struct cfg80211_scan_request *request, u16 action)
838 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
839 offsetof(struct brcmf_escan_params_le, params_le);
840 struct brcmf_escan_params_le *params;
843 brcmf_dbg(SCAN, "E-SCAN START\n");
845 if (request != NULL) {
846 /* Allocate space for populating ssids in struct */
847 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
849 /* Allocate space for populating ssids in struct */
850 params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
853 params = kzalloc(params_size, GFP_KERNEL);
858 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
859 brcmf_escan_prep(cfg, ¶ms->params_le, request);
860 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
861 params->action = cpu_to_le16(action);
862 params->sync_id = cpu_to_le16(0x1234);
864 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
867 brcmf_dbg(INFO, "system busy : escan canceled\n");
869 brcmf_err("error (%d)\n", err);
878 brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
879 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
883 struct brcmf_scan_results *results;
884 struct escan_info *escan = &cfg->escan_info;
886 brcmf_dbg(SCAN, "Enter\n");
888 escan->wiphy = wiphy;
889 escan->escan_state = WL_ESCAN_STATE_SCANNING;
890 passive_scan = cfg->active_scan ? 0 : 1;
891 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
894 brcmf_err("error (%d)\n", err);
897 brcmf_scan_config_mpc(ifp, 0);
898 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
899 results->version = 0;
901 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
903 err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
905 brcmf_scan_config_mpc(ifp, 1);
910 brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
911 struct cfg80211_scan_request *request,
912 struct cfg80211_ssid *this_ssid)
914 struct brcmf_if *ifp = vif->ifp;
915 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
916 struct cfg80211_ssid *ssids;
917 struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
924 brcmf_dbg(SCAN, "START ESCAN\n");
926 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
927 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
930 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
931 brcmf_err("Scanning being aborted: status (%lu)\n",
935 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
936 brcmf_err("Scanning suppressed: status (%lu)\n",
940 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
941 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
945 /* If scan req comes for p2p0, send it over primary I/F */
946 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
947 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
949 /* Arm scan timeout timer */
950 mod_timer(&cfg->escan_timeout, jiffies +
951 WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
956 ssids = request->ssids;
960 /* we don't do escan in ibss */
964 cfg->scan_request = request;
965 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
967 cfg->escan_info.run = brcmf_run_escan;
968 err = brcmf_p2p_scan_prep(wiphy, request, vif);
972 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
976 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
977 ssids->ssid, ssids->ssid_len);
978 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
979 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
980 sr->ssid_le.SSID_len = cpu_to_le32(0);
983 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
984 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
987 brcmf_dbg(SCAN, "Broadcast scan\n");
989 passive_scan = cfg->active_scan ? 0 : 1;
990 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
993 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
996 brcmf_scan_config_mpc(ifp, 0);
997 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
998 &sr->ssid_le, sizeof(sr->ssid_le));
1001 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
1004 brcmf_err("WLC_SCAN error (%d)\n", err);
1006 brcmf_scan_config_mpc(ifp, 1);
1014 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
1015 if (timer_pending(&cfg->escan_timeout))
1016 del_timer_sync(&cfg->escan_timeout);
1017 cfg->scan_request = NULL;
1022 brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
1024 struct brcmf_cfg80211_vif *vif;
1027 brcmf_dbg(TRACE, "Enter\n");
1028 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1029 if (!check_vif_up(vif))
1032 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
1035 brcmf_err("scan error (%d)\n", err);
1037 brcmf_dbg(TRACE, "Exit\n");
1041 static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1045 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1048 brcmf_err("Error (%d)\n", err);
1053 static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1057 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1060 brcmf_err("Error (%d)\n", err);
1065 static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1068 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
1070 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
1072 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
1078 static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1080 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1081 struct net_device *ndev = cfg_to_ndev(cfg);
1082 struct brcmf_if *ifp = netdev_priv(ndev);
1085 brcmf_dbg(TRACE, "Enter\n");
1086 if (!check_vif_up(ifp->vif))
1089 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
1090 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1091 cfg->conf->rts_threshold = wiphy->rts_threshold;
1092 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
1096 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
1097 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1098 cfg->conf->frag_threshold = wiphy->frag_threshold;
1099 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
1103 if (changed & WIPHY_PARAM_RETRY_LONG
1104 && (cfg->conf->retry_long != wiphy->retry_long)) {
1105 cfg->conf->retry_long = wiphy->retry_long;
1106 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
1110 if (changed & WIPHY_PARAM_RETRY_SHORT
1111 && (cfg->conf->retry_short != wiphy->retry_short)) {
1112 cfg->conf->retry_short = wiphy->retry_short;
1113 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
1119 brcmf_dbg(TRACE, "Exit\n");
1123 static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1125 memset(prof, 0, sizeof(*prof));
1128 static void brcmf_link_down(struct brcmf_cfg80211_vif *vif)
1130 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
1133 brcmf_dbg(TRACE, "Enter\n");
1135 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
1136 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
1137 err = brcmf_fil_cmd_data_set(vif->ifp,
1138 BRCMF_C_DISASSOC, NULL, 0);
1140 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
1142 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
1143 cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL);
1146 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
1147 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1148 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
1149 brcmf_dbg(TRACE, "Exit\n");
1153 brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1154 struct cfg80211_ibss_params *params)
1156 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1157 struct brcmf_if *ifp = netdev_priv(ndev);
1158 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1159 struct brcmf_join_params join_params;
1160 size_t join_params_size = 0;
1166 brcmf_dbg(TRACE, "Enter\n");
1167 if (!check_vif_up(ifp->vif))
1171 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
1173 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
1177 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1180 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
1182 brcmf_dbg(CONN, "No BSSID specified\n");
1184 if (params->chandef.chan)
1185 brcmf_dbg(CONN, "channel: %d\n",
1186 params->chandef.chan->center_freq);
1188 brcmf_dbg(CONN, "no channel specified\n");
1190 if (params->channel_fixed)
1191 brcmf_dbg(CONN, "fixed channel required\n");
1193 brcmf_dbg(CONN, "no fixed channel required\n");
1195 if (params->ie && params->ie_len)
1196 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
1198 brcmf_dbg(CONN, "no ie specified\n");
1200 if (params->beacon_interval)
1201 brcmf_dbg(CONN, "beacon interval: %d\n",
1202 params->beacon_interval);
1204 brcmf_dbg(CONN, "no beacon interval specified\n");
1206 if (params->basic_rates)
1207 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
1209 brcmf_dbg(CONN, "no basic rates specified\n");
1211 if (params->privacy)
1212 brcmf_dbg(CONN, "privacy required\n");
1214 brcmf_dbg(CONN, "no privacy required\n");
1216 /* Configure Privacy for starter */
1217 if (params->privacy)
1218 wsec |= WEP_ENABLED;
1220 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
1222 brcmf_err("wsec failed (%d)\n", err);
1226 /* Configure Beacon Interval for starter */
1227 if (params->beacon_interval)
1228 bcnprd = params->beacon_interval;
1232 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
1234 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
1238 /* Configure required join parameter */
1239 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1242 profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
1243 memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
1244 memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
1245 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1246 join_params_size = sizeof(join_params.ssid_le);
1249 if (params->bssid) {
1250 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1251 join_params_size = sizeof(join_params.ssid_le) +
1252 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
1253 memcpy(profile->bssid, params->bssid, ETH_ALEN);
1255 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
1256 memset(profile->bssid, 0, ETH_ALEN);
1260 if (params->chandef.chan) {
1264 ieee80211_frequency_to_channel(
1265 params->chandef.chan->center_freq);
1266 if (params->channel_fixed) {
1267 /* adding chanspec */
1268 chanspec = chandef_to_chanspec(&cfg->d11inf,
1270 join_params.params_le.chanspec_list[0] =
1271 cpu_to_le16(chanspec);
1272 join_params.params_le.chanspec_num = cpu_to_le32(1);
1273 join_params_size += sizeof(join_params.params_le);
1276 /* set channel for starter */
1277 target_channel = cfg->channel;
1278 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
1281 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
1287 cfg->ibss_starter = false;
1290 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
1291 &join_params, join_params_size);
1293 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
1299 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1300 brcmf_dbg(TRACE, "Exit\n");
1305 brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1307 struct brcmf_if *ifp = netdev_priv(ndev);
1309 brcmf_dbg(TRACE, "Enter\n");
1310 if (!check_vif_up(ifp->vif))
1313 brcmf_link_down(ifp->vif);
1315 brcmf_dbg(TRACE, "Exit\n");
1320 static s32 brcmf_set_wpa_version(struct net_device *ndev,
1321 struct cfg80211_connect_params *sme)
1323 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1324 struct brcmf_cfg80211_security *sec;
1328 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1329 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1330 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1331 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1333 val = WPA_AUTH_DISABLED;
1334 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
1335 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
1337 brcmf_err("set wpa_auth failed (%d)\n", err);
1340 sec = &profile->sec;
1341 sec->wpa_versions = sme->crypto.wpa_versions;
1345 static s32 brcmf_set_auth_type(struct net_device *ndev,
1346 struct cfg80211_connect_params *sme)
1348 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1349 struct brcmf_cfg80211_security *sec;
1353 switch (sme->auth_type) {
1354 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1356 brcmf_dbg(CONN, "open system\n");
1358 case NL80211_AUTHTYPE_SHARED_KEY:
1360 brcmf_dbg(CONN, "shared key\n");
1362 case NL80211_AUTHTYPE_AUTOMATIC:
1364 brcmf_dbg(CONN, "automatic\n");
1366 case NL80211_AUTHTYPE_NETWORK_EAP:
1367 brcmf_dbg(CONN, "network eap\n");
1370 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
1374 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1376 brcmf_err("set auth failed (%d)\n", err);
1379 sec = &profile->sec;
1380 sec->auth_type = sme->auth_type;
1385 brcmf_set_wsec_mode(struct net_device *ndev,
1386 struct cfg80211_connect_params *sme, bool mfp)
1388 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1389 struct brcmf_cfg80211_security *sec;
1395 if (sme->crypto.n_ciphers_pairwise) {
1396 switch (sme->crypto.ciphers_pairwise[0]) {
1397 case WLAN_CIPHER_SUITE_WEP40:
1398 case WLAN_CIPHER_SUITE_WEP104:
1401 case WLAN_CIPHER_SUITE_TKIP:
1402 pval = TKIP_ENABLED;
1404 case WLAN_CIPHER_SUITE_CCMP:
1407 case WLAN_CIPHER_SUITE_AES_CMAC:
1411 brcmf_err("invalid cipher pairwise (%d)\n",
1412 sme->crypto.ciphers_pairwise[0]);
1416 if (sme->crypto.cipher_group) {
1417 switch (sme->crypto.cipher_group) {
1418 case WLAN_CIPHER_SUITE_WEP40:
1419 case WLAN_CIPHER_SUITE_WEP104:
1422 case WLAN_CIPHER_SUITE_TKIP:
1423 gval = TKIP_ENABLED;
1425 case WLAN_CIPHER_SUITE_CCMP:
1428 case WLAN_CIPHER_SUITE_AES_CMAC:
1432 brcmf_err("invalid cipher group (%d)\n",
1433 sme->crypto.cipher_group);
1438 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
1439 /* In case of privacy, but no security and WPS then simulate */
1440 /* setting AES. WPS-2.0 allows no security */
1441 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1446 wsec = pval | gval | MFP_CAPABLE;
1449 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
1451 brcmf_err("error (%d)\n", err);
1455 sec = &profile->sec;
1456 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1457 sec->cipher_group = sme->crypto.cipher_group;
1463 brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1465 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1466 struct brcmf_cfg80211_security *sec;
1470 if (sme->crypto.n_akm_suites) {
1471 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
1474 brcmf_err("could not get wpa_auth (%d)\n", err);
1477 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1478 switch (sme->crypto.akm_suites[0]) {
1479 case WLAN_AKM_SUITE_8021X:
1480 val = WPA_AUTH_UNSPECIFIED;
1482 case WLAN_AKM_SUITE_PSK:
1486 brcmf_err("invalid cipher group (%d)\n",
1487 sme->crypto.cipher_group);
1490 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1491 switch (sme->crypto.akm_suites[0]) {
1492 case WLAN_AKM_SUITE_8021X:
1493 val = WPA2_AUTH_UNSPECIFIED;
1495 case WLAN_AKM_SUITE_PSK:
1496 val = WPA2_AUTH_PSK;
1499 brcmf_err("invalid cipher group (%d)\n",
1500 sme->crypto.cipher_group);
1505 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
1506 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
1509 brcmf_err("could not set wpa_auth (%d)\n", err);
1513 sec = &profile->sec;
1514 sec->wpa_auth = sme->crypto.akm_suites[0];
1520 brcmf_set_sharedkey(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;
1525 struct brcmf_wsec_key key;
1529 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
1531 if (sme->key_len == 0)
1534 sec = &profile->sec;
1535 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1536 sec->wpa_versions, sec->cipher_pairwise);
1538 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1541 if (!(sec->cipher_pairwise &
1542 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1545 memset(&key, 0, sizeof(key));
1546 key.len = (u32) sme->key_len;
1547 key.index = (u32) sme->key_idx;
1548 if (key.len > sizeof(key.data)) {
1549 brcmf_err("Too long key length (%u)\n", key.len);
1552 memcpy(key.data, sme->key, key.len);
1553 key.flags = BRCMF_PRIMARY_KEY;
1554 switch (sec->cipher_pairwise) {
1555 case WLAN_CIPHER_SUITE_WEP40:
1556 key.algo = CRYPTO_ALGO_WEP1;
1558 case WLAN_CIPHER_SUITE_WEP104:
1559 key.algo = CRYPTO_ALGO_WEP128;
1562 brcmf_err("Invalid algorithm (%d)\n",
1563 sme->crypto.ciphers_pairwise[0]);
1566 /* Set the new key/index */
1567 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1568 key.len, key.index, key.algo);
1569 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
1570 err = send_key_to_dongle(ndev, &key);
1574 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
1575 brcmf_dbg(CONN, "set auth_type to shared key\n");
1576 val = WL_AUTH_SHARED_KEY; /* shared key */
1577 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1579 brcmf_err("set auth failed (%d)\n", err);
1585 enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1586 enum nl80211_auth_type type)
1588 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1589 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1590 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1591 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1597 brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
1598 struct cfg80211_connect_params *sme)
1600 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1601 struct brcmf_if *ifp = netdev_priv(ndev);
1602 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1603 struct ieee80211_channel *chan = sme->channel;
1604 struct brcmf_join_params join_params;
1605 size_t join_params_size;
1606 const struct brcmf_tlv *rsn_ie;
1607 const struct brcmf_vs_tlv *wpa_ie;
1610 struct brcmf_ext_join_params_le *ext_join_params;
1614 brcmf_dbg(TRACE, "Enter\n");
1615 if (!check_vif_up(ifp->vif))
1619 brcmf_err("Invalid ssid\n");
1623 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1624 /* A normal (non P2P) connection request setup. */
1627 /* find the WPA_IE */
1628 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1631 ie_len = wpa_ie->len + TLV_HDR_LEN;
1633 /* find the RSN_IE */
1634 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1639 ie_len = rsn_ie->len + TLV_HDR_LEN;
1642 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1645 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1646 sme->ie, sme->ie_len);
1648 brcmf_err("Set Assoc REQ IE Failed\n");
1650 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1652 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1656 ieee80211_frequency_to_channel(chan->center_freq);
1657 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1658 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1659 cfg->channel, chan->center_freq, chanspec);
1665 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
1667 err = brcmf_set_wpa_version(ndev, sme);
1669 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
1673 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
1674 err = brcmf_set_auth_type(ndev, sme);
1676 brcmf_err("wl_set_auth_type failed (%d)\n", err);
1680 err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
1682 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
1686 err = brcmf_set_key_mgmt(ndev, sme);
1688 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
1692 err = brcmf_set_sharedkey(ndev, sme);
1694 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
1698 profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
1699 (u32)sme->ssid_len);
1700 memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
1701 if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
1702 profile->ssid.SSID[profile->ssid.SSID_len] = 0;
1703 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
1704 profile->ssid.SSID_len);
1707 /* Join with specific BSSID and cached SSID
1708 * If SSID is zero join based on BSSID only
1710 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1711 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1713 join_params_size += sizeof(u16);
1714 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1715 if (ext_join_params == NULL) {
1719 ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1720 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
1721 profile->ssid.SSID_len);
1723 /* Set up join scan parameters */
1724 ext_join_params->scan_le.scan_type = -1;
1725 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1728 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1730 memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN);
1733 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1735 ext_join_params->assoc_le.chanspec_list[0] =
1736 cpu_to_le16(chanspec);
1737 /* Increase dwell time to receive probe response or detect
1738 * beacon from target AP at a noisy air only during connect
1741 ext_join_params->scan_le.active_time =
1742 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1743 ext_join_params->scan_le.passive_time =
1744 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1745 /* To sync with presence period of VSDB GO send probe request
1746 * more frequently. Probe request will be stopped when it gets
1747 * probe response from target AP/GO.
1749 ext_join_params->scan_le.nprobes =
1750 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
1751 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
1753 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
1754 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
1755 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
1758 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
1760 kfree(ext_join_params);
1762 /* This is it. join command worked, we are done */
1765 /* join command failed, fallback to set ssid */
1766 memset(&join_params, 0, sizeof(join_params));
1767 join_params_size = sizeof(join_params.ssid_le);
1769 memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
1770 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1773 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
1775 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
1778 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
1779 join_params.params_le.chanspec_num = cpu_to_le32(1);
1780 join_params_size += sizeof(join_params.params_le);
1782 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
1783 &join_params, join_params_size);
1785 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
1789 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1790 brcmf_dbg(TRACE, "Exit\n");
1795 brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1798 struct brcmf_if *ifp = netdev_priv(ndev);
1799 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1800 struct brcmf_scb_val_le scbval;
1803 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
1804 if (!check_vif_up(ifp->vif))
1807 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
1808 cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
1810 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
1811 scbval.val = cpu_to_le32(reason_code);
1812 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
1813 &scbval, sizeof(scbval));
1815 brcmf_err("error (%d)\n", err);
1817 brcmf_dbg(TRACE, "Exit\n");
1822 brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1823 enum nl80211_tx_power_setting type, s32 mbm)
1826 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1827 struct net_device *ndev = cfg_to_ndev(cfg);
1828 struct brcmf_if *ifp = netdev_priv(ndev);
1832 s32 dbm = MBM_TO_DBM(mbm);
1834 brcmf_dbg(TRACE, "Enter\n");
1835 if (!check_vif_up(ifp->vif))
1839 case NL80211_TX_POWER_AUTOMATIC:
1841 case NL80211_TX_POWER_LIMITED:
1842 case NL80211_TX_POWER_FIXED:
1844 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
1850 /* Make sure radio is off or on as far as software is concerned */
1851 disable = WL_RADIO_SW_DISABLE << 16;
1852 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
1854 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
1859 txpwrmw = (u16) dbm;
1860 err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
1861 (s32)brcmf_mw_to_qdbm(txpwrmw));
1863 brcmf_err("qtxpower error (%d)\n", err);
1864 cfg->conf->tx_power = dbm;
1867 brcmf_dbg(TRACE, "Exit\n");
1871 static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
1872 struct wireless_dev *wdev,
1875 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1876 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
1881 brcmf_dbg(TRACE, "Enter\n");
1882 if (!check_vif_up(ifp->vif))
1885 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
1887 brcmf_err("error (%d)\n", err);
1891 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
1892 *dbm = (s32) brcmf_qdbm_to_mw(result);
1895 brcmf_dbg(TRACE, "Exit\n");
1900 brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
1901 u8 key_idx, bool unicast, bool multicast)
1903 struct brcmf_if *ifp = netdev_priv(ndev);
1908 brcmf_dbg(TRACE, "Enter\n");
1909 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
1910 if (!check_vif_up(ifp->vif))
1913 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
1915 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
1919 if (wsec & WEP_ENABLED) {
1920 /* Just select a new current key */
1922 err = brcmf_fil_cmd_int_set(ifp,
1923 BRCMF_C_SET_KEY_PRIMARY, index);
1925 brcmf_err("error (%d)\n", err);
1928 brcmf_dbg(TRACE, "Exit\n");
1933 brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
1934 u8 key_idx, const u8 *mac_addr, struct key_params *params)
1936 struct brcmf_if *ifp = netdev_priv(ndev);
1937 struct brcmf_wsec_key key;
1941 memset(&key, 0, sizeof(key));
1942 key.index = (u32) key_idx;
1943 /* Instead of bcast for ea address for default wep keys,
1944 driver needs it to be Null */
1945 if (!is_multicast_ether_addr(mac_addr))
1946 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
1947 key.len = (u32) params->key_len;
1948 /* check for key index change */
1951 err = send_key_to_dongle(ndev, &key);
1953 brcmf_err("key delete error (%d)\n", err);
1955 if (key.len > sizeof(key.data)) {
1956 brcmf_err("Invalid key length (%d)\n", key.len);
1960 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
1961 memcpy(key.data, params->key, key.len);
1963 if (!brcmf_is_apmode(ifp->vif) &&
1964 (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
1965 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
1966 memcpy(keybuf, &key.data[24], sizeof(keybuf));
1967 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
1968 memcpy(&key.data[16], keybuf, sizeof(keybuf));
1971 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
1972 if (params->seq && params->seq_len == 6) {
1975 ivptr = (u8 *) params->seq;
1976 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
1977 (ivptr[3] << 8) | ivptr[2];
1978 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
1979 key.iv_initialized = true;
1982 switch (params->cipher) {
1983 case WLAN_CIPHER_SUITE_WEP40:
1984 key.algo = CRYPTO_ALGO_WEP1;
1985 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
1987 case WLAN_CIPHER_SUITE_WEP104:
1988 key.algo = CRYPTO_ALGO_WEP128;
1989 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
1991 case WLAN_CIPHER_SUITE_TKIP:
1992 key.algo = CRYPTO_ALGO_TKIP;
1993 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
1995 case WLAN_CIPHER_SUITE_AES_CMAC:
1996 key.algo = CRYPTO_ALGO_AES_CCM;
1997 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
1999 case WLAN_CIPHER_SUITE_CCMP:
2000 key.algo = CRYPTO_ALGO_AES_CCM;
2001 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
2004 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
2007 err = send_key_to_dongle(ndev, &key);
2009 brcmf_err("wsec_key error (%d)\n", err);
2015 brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2016 u8 key_idx, bool pairwise, const u8 *mac_addr,
2017 struct key_params *params)
2019 struct brcmf_if *ifp = netdev_priv(ndev);
2020 struct brcmf_wsec_key key;
2026 brcmf_dbg(TRACE, "Enter\n");
2027 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2028 if (!check_vif_up(ifp->vif))
2032 (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2033 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
2034 brcmf_dbg(TRACE, "Exit");
2035 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
2037 memset(&key, 0, sizeof(key));
2039 key.len = (u32) params->key_len;
2040 key.index = (u32) key_idx;
2042 if (key.len > sizeof(key.data)) {
2043 brcmf_err("Too long key length (%u)\n", key.len);
2047 memcpy(key.data, params->key, key.len);
2049 key.flags = BRCMF_PRIMARY_KEY;
2050 switch (params->cipher) {
2051 case WLAN_CIPHER_SUITE_WEP40:
2052 key.algo = CRYPTO_ALGO_WEP1;
2054 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2056 case WLAN_CIPHER_SUITE_WEP104:
2057 key.algo = CRYPTO_ALGO_WEP128;
2059 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2061 case WLAN_CIPHER_SUITE_TKIP:
2062 if (!brcmf_is_apmode(ifp->vif)) {
2063 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
2064 memcpy(keybuf, &key.data[24], sizeof(keybuf));
2065 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
2066 memcpy(&key.data[16], keybuf, sizeof(keybuf));
2068 key.algo = CRYPTO_ALGO_TKIP;
2070 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2072 case WLAN_CIPHER_SUITE_AES_CMAC:
2073 key.algo = CRYPTO_ALGO_AES_CCM;
2075 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2077 case WLAN_CIPHER_SUITE_CCMP:
2078 key.algo = CRYPTO_ALGO_AES_CCM;
2080 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
2083 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
2088 err = send_key_to_dongle(ndev, &key);
2092 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2094 brcmf_err("get wsec error (%d)\n", err);
2098 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2100 brcmf_err("set wsec error (%d)\n", err);
2105 brcmf_dbg(TRACE, "Exit\n");
2110 brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2111 u8 key_idx, bool pairwise, const u8 *mac_addr)
2113 struct brcmf_if *ifp = netdev_priv(ndev);
2114 struct brcmf_wsec_key key;
2117 brcmf_dbg(TRACE, "Enter\n");
2118 if (!check_vif_up(ifp->vif))
2121 if (key_idx >= DOT11_MAX_DEFAULT_KEYS) {
2122 /* we ignore this key index in this case */
2123 brcmf_err("invalid key index (%d)\n", key_idx);
2127 memset(&key, 0, sizeof(key));
2129 key.index = (u32) key_idx;
2130 key.flags = BRCMF_PRIMARY_KEY;
2131 key.algo = CRYPTO_ALGO_OFF;
2133 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2135 /* Set the new key/index */
2136 err = send_key_to_dongle(ndev, &key);
2138 brcmf_dbg(TRACE, "Exit\n");
2143 brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
2144 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
2145 void (*callback) (void *cookie, struct key_params * params))
2147 struct key_params params;
2148 struct brcmf_if *ifp = netdev_priv(ndev);
2149 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2150 struct brcmf_cfg80211_security *sec;
2154 brcmf_dbg(TRACE, "Enter\n");
2155 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2156 if (!check_vif_up(ifp->vif))
2159 memset(¶ms, 0, sizeof(params));
2161 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2163 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
2164 /* Ignore this error, may happen during DISASSOC */
2168 if (wsec & WEP_ENABLED) {
2169 sec = &profile->sec;
2170 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2171 params.cipher = WLAN_CIPHER_SUITE_WEP40;
2172 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2173 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2174 params.cipher = WLAN_CIPHER_SUITE_WEP104;
2175 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2177 } else if (wsec & TKIP_ENABLED) {
2178 params.cipher = WLAN_CIPHER_SUITE_TKIP;
2179 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2180 } else if (wsec & AES_ENABLED) {
2181 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
2182 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2184 brcmf_err("Invalid algo (0x%x)\n", wsec);
2188 callback(cookie, ¶ms);
2191 brcmf_dbg(TRACE, "Exit\n");
2196 brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2197 struct net_device *ndev, u8 key_idx)
2199 brcmf_dbg(INFO, "Not supported\n");
2205 brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
2206 const u8 *mac, struct station_info *sinfo)
2208 struct brcmf_if *ifp = netdev_priv(ndev);
2209 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2210 struct brcmf_scb_val_le scb_val;
2214 u8 *bssid = profile->bssid;
2215 struct brcmf_sta_info_le sta_info_le;
2219 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
2220 if (!check_vif_up(ifp->vif))
2223 if (brcmf_is_apmode(ifp->vif)) {
2224 memcpy(&sta_info_le, mac, ETH_ALEN);
2225 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
2227 sizeof(sta_info_le));
2229 brcmf_err("GET STA INFO failed, %d\n", err);
2232 sinfo->filled = STATION_INFO_INACTIVE_TIME;
2233 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2234 if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
2235 sinfo->filled |= STATION_INFO_CONNECTED_TIME;
2236 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
2238 brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
2239 sinfo->inactive_time, sinfo->connected_time);
2240 } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
2241 if (memcmp(mac, bssid, ETH_ALEN)) {
2242 brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
2247 /* Report the current tx rate */
2248 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
2250 brcmf_err("Could not get rate (%d)\n", err);
2253 sinfo->filled |= STATION_INFO_TX_BITRATE;
2254 sinfo->txrate.legacy = rate * 5;
2255 brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
2258 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2259 &ifp->vif->sme_state)) {
2260 memset(&scb_val, 0, sizeof(scb_val));
2261 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2262 &scb_val, sizeof(scb_val));
2264 brcmf_err("Could not get rssi (%d)\n", err);
2267 rssi = le32_to_cpu(scb_val.val);
2268 sinfo->filled |= STATION_INFO_SIGNAL;
2269 sinfo->signal = rssi;
2270 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
2272 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
2275 brcmf_err("Could not get beacon period (%d)\n",
2279 sinfo->bss_param.beacon_interval =
2281 brcmf_dbg(CONN, "Beacon peroid %d\n",
2284 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
2287 brcmf_err("Could not get DTIM period (%d)\n",
2291 sinfo->bss_param.dtim_period = dtim_period;
2292 brcmf_dbg(CONN, "DTIM peroid %d\n",
2295 sinfo->filled |= STATION_INFO_BSS_PARAM;
2300 brcmf_dbg(TRACE, "Exit\n");
2305 brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2306 bool enabled, s32 timeout)
2310 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2311 struct brcmf_if *ifp = netdev_priv(ndev);
2313 brcmf_dbg(TRACE, "Enter\n");
2316 * Powersave enable/disable request is coming from the
2317 * cfg80211 even before the interface is up. In that
2318 * scenario, driver will be storing the power save
2319 * preference in cfg struct to apply this to
2320 * FW later while initializing the dongle
2322 cfg->pwr_save = enabled;
2323 if (!check_vif_up(ifp->vif)) {
2325 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
2329 pm = enabled ? PM_FAST : PM_OFF;
2330 /* Do not enable the power save after assoc if it is a p2p interface */
2331 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2332 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2335 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
2337 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
2340 brcmf_err("net_device is not ready yet\n");
2342 brcmf_err("error (%d)\n", err);
2345 brcmf_dbg(TRACE, "Exit\n");
2349 static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
2350 struct brcmf_bss_info_le *bi)
2352 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2353 struct ieee80211_channel *notify_channel;
2354 struct cfg80211_bss *bss;
2355 struct ieee80211_supported_band *band;
2356 struct brcmu_chan ch;
2359 u16 notify_capability;
2360 u16 notify_interval;
2362 size_t notify_ielen;
2365 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
2366 brcmf_err("Bss info is larger than buffer. Discarding\n");
2371 ch.chspec = le16_to_cpu(bi->chanspec);
2372 cfg->d11inf.decchspec(&ch);
2373 bi->ctl_ch = ch.chnum;
2375 channel = bi->ctl_ch;
2377 if (channel <= CH_MAX_2G_CHANNEL)
2378 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2380 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2382 freq = ieee80211_channel_to_frequency(channel, band->band);
2383 notify_channel = ieee80211_get_channel(wiphy, freq);
2385 notify_capability = le16_to_cpu(bi->capability);
2386 notify_interval = le16_to_cpu(bi->beacon_period);
2387 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2388 notify_ielen = le32_to_cpu(bi->ie_length);
2389 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2391 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2392 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2393 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2394 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2395 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
2397 bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID,
2398 0, notify_capability, notify_interval, notify_ie,
2399 notify_ielen, notify_signal, GFP_KERNEL);
2404 cfg80211_put_bss(wiphy, bss);
2409 static struct brcmf_bss_info_le *
2410 next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2413 return list->bss_info_le;
2414 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2415 le32_to_cpu(bss->length));
2418 static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
2420 struct brcmf_scan_results *bss_list;
2421 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
2425 bss_list = cfg->bss_list;
2426 if (bss_list->count != 0 &&
2427 bss_list->version != BRCMF_BSS_INFO_VERSION) {
2428 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2432 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
2433 for (i = 0; i < bss_list->count; i++) {
2434 bi = next_bss_le(bss_list, bi);
2435 err = brcmf_inform_single_bss(cfg, bi);
2442 static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
2443 struct net_device *ndev, const u8 *bssid)
2445 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2446 struct ieee80211_channel *notify_channel;
2447 struct brcmf_bss_info_le *bi = NULL;
2448 struct ieee80211_supported_band *band;
2449 struct cfg80211_bss *bss;
2450 struct brcmu_chan ch;
2454 u16 notify_capability;
2455 u16 notify_interval;
2457 size_t notify_ielen;
2460 brcmf_dbg(TRACE, "Enter\n");
2462 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2468 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2470 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2471 buf, WL_BSS_INFO_MAX);
2473 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
2477 bi = (struct brcmf_bss_info_le *)(buf + 4);
2479 ch.chspec = le16_to_cpu(bi->chanspec);
2480 cfg->d11inf.decchspec(&ch);
2482 if (ch.band == BRCMU_CHAN_BAND_2G)
2483 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2485 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2487 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
2488 notify_channel = ieee80211_get_channel(wiphy, freq);
2490 notify_capability = le16_to_cpu(bi->capability);
2491 notify_interval = le16_to_cpu(bi->beacon_period);
2492 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2493 notify_ielen = le32_to_cpu(bi->ie_length);
2494 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2496 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
2497 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2498 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2499 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
2501 bss = cfg80211_inform_bss(wiphy, notify_channel, bssid,
2502 0, notify_capability, notify_interval,
2503 notify_ie, notify_ielen, notify_signal, GFP_KERNEL);
2510 cfg80211_put_bss(wiphy, bss);
2516 brcmf_dbg(TRACE, "Exit\n");
2521 static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2522 struct brcmf_if *ifp)
2524 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
2525 struct brcmf_bss_info_le *bi;
2526 struct brcmf_ssid *ssid;
2527 const struct brcmf_tlv *tim;
2528 u16 beacon_interval;
2534 brcmf_dbg(TRACE, "Enter\n");
2535 if (brcmf_is_ibssmode(ifp->vif))
2538 ssid = &profile->ssid;
2540 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
2541 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
2542 cfg->extra_buf, WL_EXTRA_BUF_MAX);
2544 brcmf_err("Could not get bss info %d\n", err);
2545 goto update_bss_info_out;
2548 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2549 err = brcmf_inform_single_bss(cfg, bi);
2551 goto update_bss_info_out;
2553 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2554 ie_len = le32_to_cpu(bi->ie_length);
2555 beacon_interval = le16_to_cpu(bi->beacon_period);
2557 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
2559 dtim_period = tim->data[1];
2562 * active scan was done so we could not get dtim
2563 * information out of probe response.
2564 * so we speficially query dtim information to dongle.
2567 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
2569 brcmf_err("wl dtim_assoc failed (%d)\n", err);
2570 goto update_bss_info_out;
2572 dtim_period = (u8)var;
2575 update_bss_info_out:
2576 brcmf_dbg(TRACE, "Exit");
2580 void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
2582 struct escan_info *escan = &cfg->escan_info;
2584 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
2585 if (cfg->scan_request) {
2586 escan->escan_state = WL_ESCAN_STATE_IDLE;
2587 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
2589 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2590 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
2593 static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2595 struct brcmf_cfg80211_info *cfg =
2596 container_of(work, struct brcmf_cfg80211_info,
2597 escan_timeout_work);
2599 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
2602 static void brcmf_escan_timeout(unsigned long data)
2604 struct brcmf_cfg80211_info *cfg =
2605 (struct brcmf_cfg80211_info *)data;
2607 if (cfg->scan_request) {
2608 brcmf_err("timer expired\n");
2609 schedule_work(&cfg->escan_timeout_work);
2614 brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2615 struct brcmf_bss_info_le *bss,
2616 struct brcmf_bss_info_le *bss_info_le)
2618 struct brcmu_chan ch_bss, ch_bss_info_le;
2620 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2621 cfg->d11inf.decchspec(&ch_bss);
2622 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2623 cfg->d11inf.decchspec(&ch_bss_info_le);
2625 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
2626 ch_bss.band == ch_bss_info_le.band &&
2627 bss_info_le->SSID_len == bss->SSID_len &&
2628 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
2629 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2630 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
2631 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2632 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2634 /* preserve max RSSI if the measurements are
2635 * both on-channel or both off-channel
2637 if (bss_info_rssi > bss_rssi)
2638 bss->RSSI = bss_info_le->RSSI;
2639 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2640 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
2641 /* preserve the on-channel rssi measurement
2642 * if the new measurement is off channel
2644 bss->RSSI = bss_info_le->RSSI;
2645 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
2653 brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
2654 const struct brcmf_event_msg *e, void *data)
2656 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
2658 struct brcmf_escan_result_le *escan_result_le;
2659 struct brcmf_bss_info_le *bss_info_le;
2660 struct brcmf_bss_info_le *bss = NULL;
2662 struct brcmf_scan_results *list;
2668 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2669 brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
2673 if (status == BRCMF_E_STATUS_PARTIAL) {
2674 brcmf_dbg(SCAN, "ESCAN Partial result\n");
2675 escan_result_le = (struct brcmf_escan_result_le *) data;
2676 if (!escan_result_le) {
2677 brcmf_err("Invalid escan result (NULL pointer)\n");
2680 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
2681 brcmf_err("Invalid bss_count %d: ignoring\n",
2682 escan_result_le->bss_count);
2685 bss_info_le = &escan_result_le->bss_info_le;
2687 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2690 if (!cfg->scan_request) {
2691 brcmf_dbg(SCAN, "result without cfg80211 request\n");
2695 bi_length = le32_to_cpu(bss_info_le->length);
2696 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2697 WL_ESCAN_RESULTS_FIXED_SIZE)) {
2698 brcmf_err("Invalid bss_info length %d: ignoring\n",
2703 if (!(cfg_to_wiphy(cfg)->interface_modes &
2704 BIT(NL80211_IFTYPE_ADHOC))) {
2705 if (le16_to_cpu(bss_info_le->capability) &
2706 WLAN_CAPABILITY_IBSS) {
2707 brcmf_err("Ignoring IBSS result\n");
2712 list = (struct brcmf_scan_results *)
2713 cfg->escan_info.escan_buf;
2714 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
2715 brcmf_err("Buffer is too small: ignoring\n");
2719 for (i = 0; i < list->count; i++) {
2720 bss = bss ? (struct brcmf_bss_info_le *)
2721 ((unsigned char *)bss +
2722 le32_to_cpu(bss->length)) : list->bss_info_le;
2723 if (brcmf_compare_update_same_bss(cfg, bss,
2727 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
2728 bss_info_le, bi_length);
2729 list->version = le32_to_cpu(bss_info_le->version);
2730 list->buflen += bi_length;
2733 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2734 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
2736 if (cfg->scan_request) {
2737 cfg->bss_list = (struct brcmf_scan_results *)
2738 cfg->escan_info.escan_buf;
2739 brcmf_inform_bss(cfg);
2740 aborted = status != BRCMF_E_STATUS_SUCCESS;
2741 brcmf_notify_escan_complete(cfg, ifp, aborted,
2744 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
2751 static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
2753 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
2754 brcmf_cfg80211_escan_handler);
2755 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2756 /* Init scan_timeout timer */
2757 init_timer(&cfg->escan_timeout);
2758 cfg->escan_timeout.data = (unsigned long) cfg;
2759 cfg->escan_timeout.function = brcmf_escan_timeout;
2760 INIT_WORK(&cfg->escan_timeout_work,
2761 brcmf_cfg80211_escan_timeout_worker);
2764 static __always_inline void brcmf_delay(u32 ms)
2766 if (ms < 1000 / HZ) {
2774 static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2776 brcmf_dbg(TRACE, "Enter\n");
2781 static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
2782 struct cfg80211_wowlan *wow)
2784 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2785 struct net_device *ndev = cfg_to_ndev(cfg);
2786 struct brcmf_cfg80211_vif *vif;
2788 brcmf_dbg(TRACE, "Enter\n");
2791 * if the primary net_device is not READY there is nothing
2792 * we can do but pray resume goes smoothly.
2794 vif = ((struct brcmf_if *)netdev_priv(ndev))->vif;
2795 if (!check_vif_up(vif))
2798 list_for_each_entry(vif, &cfg->vif_list, list) {
2799 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
2802 * While going to suspend if associated with AP disassociate
2803 * from AP to save power while system is in suspended state
2805 brcmf_link_down(vif);
2807 /* Make sure WPA_Supplicant receives all the event
2808 * generated due to DISASSOC call to the fw to keep
2809 * the state fw and WPA_Supplicant state consistent
2814 /* end any scanning */
2815 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
2816 brcmf_abort_scanning(cfg);
2818 /* Turn off watchdog timer */
2819 brcmf_set_mpc(netdev_priv(ndev), 1);
2822 brcmf_dbg(TRACE, "Exit\n");
2823 /* clear any scanning activity */
2824 cfg->scan_status = 0;
2829 brcmf_update_pmklist(struct net_device *ndev,
2830 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
2835 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
2837 brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
2838 for (i = 0; i < pmkid_len; i++) {
2839 brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
2840 &pmk_list->pmkids.pmkid[i].BSSID);
2841 for (j = 0; j < WLAN_PMKID_LEN; j++)
2842 brcmf_dbg(CONN, "%02x\n",
2843 pmk_list->pmkids.pmkid[i].PMKID[j]);
2847 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
2848 (char *)pmk_list, sizeof(*pmk_list));
2854 brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2855 struct cfg80211_pmksa *pmksa)
2857 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2858 struct brcmf_if *ifp = netdev_priv(ndev);
2859 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
2864 brcmf_dbg(TRACE, "Enter\n");
2865 if (!check_vif_up(ifp->vif))
2868 pmkid_len = le32_to_cpu(pmkids->npmkid);
2869 for (i = 0; i < pmkid_len; i++)
2870 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
2872 if (i < WL_NUM_PMKIDS_MAX) {
2873 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
2874 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
2875 if (i == pmkid_len) {
2877 pmkids->npmkid = cpu_to_le32(pmkid_len);
2882 brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
2883 pmkids->pmkid[pmkid_len].BSSID);
2884 for (i = 0; i < WLAN_PMKID_LEN; i++)
2885 brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
2887 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
2889 brcmf_dbg(TRACE, "Exit\n");
2894 brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2895 struct cfg80211_pmksa *pmksa)
2897 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2898 struct brcmf_if *ifp = netdev_priv(ndev);
2899 struct pmkid_list pmkid;
2903 brcmf_dbg(TRACE, "Enter\n");
2904 if (!check_vif_up(ifp->vif))
2907 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
2908 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
2910 brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
2911 &pmkid.pmkid[0].BSSID);
2912 for (i = 0; i < WLAN_PMKID_LEN; i++)
2913 brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
2915 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
2916 for (i = 0; i < pmkid_len; i++)
2918 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
2923 && (i < pmkid_len)) {
2924 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
2925 sizeof(struct pmkid));
2926 for (; i < (pmkid_len - 1); i++) {
2927 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
2928 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
2930 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
2931 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
2934 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
2938 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
2940 brcmf_dbg(TRACE, "Exit\n");
2946 brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
2948 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2949 struct brcmf_if *ifp = netdev_priv(ndev);
2952 brcmf_dbg(TRACE, "Enter\n");
2953 if (!check_vif_up(ifp->vif))
2956 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
2957 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
2959 brcmf_dbg(TRACE, "Exit\n");
2965 * PFN result doesn't have all the info which are
2966 * required by the supplicant
2967 * (For e.g IEs) Do a target Escan so that sched scan results are reported
2968 * via wl_inform_single_bss in the required format. Escan does require the
2969 * scan request in the form of cfg80211_scan_request. For timebeing, create
2970 * cfg80211_scan_request one out of the received PNO event.
2973 brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
2974 const struct brcmf_event_msg *e, void *data)
2976 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
2977 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
2978 struct cfg80211_scan_request *request = NULL;
2979 struct cfg80211_ssid *ssid = NULL;
2980 struct ieee80211_channel *channel = NULL;
2981 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2983 int channel_req = 0;
2985 struct brcmf_pno_scanresults_le *pfn_result;
2989 brcmf_dbg(SCAN, "Enter\n");
2991 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
2992 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
2996 pfn_result = (struct brcmf_pno_scanresults_le *)data;
2997 result_count = le32_to_cpu(pfn_result->count);
2998 status = le32_to_cpu(pfn_result->status);
3001 * PFN event is limited to fit 512 bytes so we may get
3002 * multiple NET_FOUND events. For now place a warning here.
3004 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
3005 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
3006 if (result_count > 0) {
3009 request = kzalloc(sizeof(*request), GFP_KERNEL);
3010 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3011 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
3012 if (!request || !ssid || !channel) {
3017 request->wiphy = wiphy;
3018 data += sizeof(struct brcmf_pno_scanresults_le);
3019 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3021 for (i = 0; i < result_count; i++) {
3022 netinfo = &netinfo_start[i];
3024 brcmf_err("Invalid netinfo ptr. index: %d\n",
3030 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3031 netinfo->SSID, netinfo->channel);
3032 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3033 ssid[i].ssid_len = netinfo->SSID_len;
3036 channel_req = netinfo->channel;
3037 if (channel_req <= CH_MAX_2G_CHANNEL)
3038 band = NL80211_BAND_2GHZ;
3040 band = NL80211_BAND_5GHZ;
3041 channel[i].center_freq =
3042 ieee80211_channel_to_frequency(channel_req,
3044 channel[i].band = band;
3045 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3046 request->channels[i] = &channel[i];
3047 request->n_channels++;
3050 /* assign parsed ssid array */
3051 if (request->n_ssids)
3052 request->ssids = &ssid[0];
3054 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3055 /* Abort any on-going scan */
3056 brcmf_abort_scanning(cfg);
3059 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3060 cfg->escan_info.run = brcmf_run_escan;
3061 err = brcmf_do_escan(cfg, wiphy, ifp, request);
3063 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3066 cfg->sched_escan = true;
3067 cfg->scan_request = request;
3069 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
3082 cfg80211_sched_scan_stopped(wiphy);
3086 static int brcmf_dev_pno_clean(struct net_device *ndev)
3091 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
3094 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3098 brcmf_err("failed code %d\n", ret);
3103 static int brcmf_dev_pno_config(struct net_device *ndev)
3105 struct brcmf_pno_param_le pfn_param;
3107 memset(&pfn_param, 0, sizeof(pfn_param));
3108 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3110 /* set extra pno params */
3111 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3112 pfn_param.repeat = BRCMF_PNO_REPEAT;
3113 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3115 /* set up pno scan fr */
3116 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3118 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
3119 &pfn_param, sizeof(pfn_param));
3123 brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3124 struct net_device *ndev,
3125 struct cfg80211_sched_scan_request *request)
3127 struct brcmf_if *ifp = netdev_priv(ndev);
3128 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
3129 struct brcmf_pno_net_param_le pfn;
3133 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
3134 request->n_match_sets, request->n_ssids);
3135 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3136 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
3139 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3140 brcmf_err("Scanning suppressed: status (%lu)\n",
3145 if (!request->n_ssids || !request->n_match_sets) {
3146 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
3151 if (request->n_ssids > 0) {
3152 for (i = 0; i < request->n_ssids; i++) {
3153 /* Active scan req for ssids */
3154 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3155 request->ssids[i].ssid);
3158 * match_set ssids is a supert set of n_ssid list,
3159 * so we need not add these set seperately.
3164 if (request->n_match_sets > 0) {
3165 /* clean up everything */
3166 ret = brcmf_dev_pno_clean(ndev);
3168 brcmf_err("failed error=%d\n", ret);
3173 ret = brcmf_dev_pno_config(ndev);
3175 brcmf_err("PNO setup failed!! ret=%d\n", ret);
3179 /* configure each match set */
3180 for (i = 0; i < request->n_match_sets; i++) {
3181 struct cfg80211_ssid *ssid;
3184 ssid = &request->match_sets[i].ssid;
3185 ssid_len = ssid->ssid_len;
3188 brcmf_err("skip broadcast ssid\n");
3191 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3192 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3193 pfn.wsec = cpu_to_le32(0);
3194 pfn.infra = cpu_to_le32(1);
3195 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3196 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3197 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
3198 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
3200 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3201 ret == 0 ? "set" : "failed", ssid->ssid);
3203 /* Enable the PNO */
3204 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
3205 brcmf_err("PNO enable failed!! ret=%d\n", ret);
3215 static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3216 struct net_device *ndev)
3218 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3220 brcmf_dbg(SCAN, "enter\n");
3221 brcmf_dev_pno_clean(ndev);
3222 if (cfg->sched_escan)
3223 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
3227 static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
3232 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
3234 brcmf_err("auth error %d\n", err);
3238 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
3240 brcmf_err("wsec error %d\n", err);
3243 /* set upper-layer auth */
3244 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
3246 brcmf_err("wpa_auth error %d\n", err);
3253 static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3256 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3258 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3262 brcmf_configure_wpaie(struct net_device *ndev,
3263 const struct brcmf_vs_tlv *wpa_ie,
3266 struct brcmf_if *ifp = netdev_priv(ndev);
3267 u32 auth = 0; /* d11 open authentication */
3279 u32 wme_bss_disable;
3281 brcmf_dbg(TRACE, "Enter\n");
3285 len = wpa_ie->len + TLV_HDR_LEN;
3286 data = (u8 *)wpa_ie;
3287 offset = TLV_HDR_LEN;
3289 offset += VS_IE_FIXED_HDR_LEN;
3291 offset += WPA_IE_VERSION_LEN;
3293 /* check for multicast cipher suite */
3294 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3296 brcmf_err("no multicast cipher suite\n");
3300 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3302 brcmf_err("ivalid OUI\n");
3305 offset += TLV_OUI_LEN;
3307 /* pick up multicast cipher */
3308 switch (data[offset]) {
3309 case WPA_CIPHER_NONE:
3312 case WPA_CIPHER_WEP_40:
3313 case WPA_CIPHER_WEP_104:
3316 case WPA_CIPHER_TKIP:
3317 gval = TKIP_ENABLED;
3319 case WPA_CIPHER_AES_CCM:
3324 brcmf_err("Invalid multi cast cipher info\n");
3329 /* walk thru unicast cipher list and pick up what we recognize */
3330 count = data[offset] + (data[offset + 1] << 8);
3331 offset += WPA_IE_SUITE_COUNT_LEN;
3332 /* Check for unicast suite(s) */
3333 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3335 brcmf_err("no unicast cipher suite\n");
3338 for (i = 0; i < count; i++) {
3339 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3341 brcmf_err("ivalid OUI\n");
3344 offset += TLV_OUI_LEN;
3345 switch (data[offset]) {
3346 case WPA_CIPHER_NONE:
3348 case WPA_CIPHER_WEP_40:
3349 case WPA_CIPHER_WEP_104:
3350 pval |= WEP_ENABLED;
3352 case WPA_CIPHER_TKIP:
3353 pval |= TKIP_ENABLED;
3355 case WPA_CIPHER_AES_CCM:
3356 pval |= AES_ENABLED;
3359 brcmf_err("Ivalid unicast security info\n");
3363 /* walk thru auth management suite list and pick up what we recognize */
3364 count = data[offset] + (data[offset + 1] << 8);
3365 offset += WPA_IE_SUITE_COUNT_LEN;
3366 /* Check for auth key management suite(s) */
3367 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3369 brcmf_err("no auth key mgmt suite\n");
3372 for (i = 0; i < count; i++) {
3373 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3375 brcmf_err("ivalid OUI\n");
3378 offset += TLV_OUI_LEN;
3379 switch (data[offset]) {
3381 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
3382 wpa_auth |= WPA_AUTH_NONE;
3384 case RSN_AKM_UNSPECIFIED:
3385 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
3386 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3387 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3390 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
3391 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3392 (wpa_auth |= WPA_AUTH_PSK);
3395 brcmf_err("Ivalid key mgmt info\n");
3401 wme_bss_disable = 1;
3402 if ((offset + RSN_CAP_LEN) <= len) {
3403 rsn_cap = data[offset] + (data[offset + 1] << 8);
3404 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3405 wme_bss_disable = 0;
3407 /* set wme_bss_disable to sync RSN Capabilities */
3408 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
3411 brcmf_err("wme_bss_disable error %d\n", err);
3415 /* FOR WPS , set SES_OW_ENABLED */
3416 wsec = (pval | gval | SES_OW_ENABLED);
3419 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
3421 brcmf_err("auth error %d\n", err);
3425 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
3427 brcmf_err("wsec error %d\n", err);
3430 /* set upper-layer auth */
3431 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
3433 brcmf_err("wpa_auth error %d\n", err);
3442 brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
3443 struct parsed_vndr_ies *vndr_ies)
3445 struct brcmf_vs_tlv *vndrie;
3446 struct brcmf_tlv *ie;
3447 struct parsed_vndr_ie_info *parsed_info;
3450 remaining_len = (s32)vndr_ie_len;
3451 memset(vndr_ies, 0, sizeof(*vndr_ies));
3453 ie = (struct brcmf_tlv *)vndr_ie_buf;
3455 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3457 vndrie = (struct brcmf_vs_tlv *)ie;
3458 /* len should be bigger than OUI length + one */
3459 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
3460 brcmf_err("invalid vndr ie. length is too small %d\n",
3464 /* if wpa or wme ie, do not add ie */
3465 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3466 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3467 (vndrie->oui_type == WME_OUI_TYPE))) {
3468 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
3472 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3474 /* save vndr ie information */
3475 parsed_info->ie_ptr = (char *)vndrie;
3476 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3477 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3481 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
3482 parsed_info->vndrie.oui[0],
3483 parsed_info->vndrie.oui[1],
3484 parsed_info->vndrie.oui[2],
3485 parsed_info->vndrie.oui_type);
3487 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
3490 remaining_len -= (ie->len + TLV_HDR_LEN);
3491 if (remaining_len <= TLV_HDR_LEN)
3494 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
3501 brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3507 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3508 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3510 iecount_le = cpu_to_le32(1);
3511 memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
3513 pktflag_le = cpu_to_le32(pktflag);
3514 memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
3516 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3518 return ie_len + VNDR_IE_HDR_SIZE;
3521 s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3522 const u8 *vndr_ie_buf, u32 vndr_ie_len)
3524 struct brcmf_if *ifp;
3525 struct vif_saved_ie *saved_ie;
3529 u8 *mgmt_ie_buf = NULL;
3530 int mgmt_ie_buf_len;
3532 u32 del_add_ie_buf_len = 0;
3533 u32 total_ie_buf_len = 0;
3534 u32 parsed_ie_buf_len = 0;
3535 struct parsed_vndr_ies old_vndr_ies;
3536 struct parsed_vndr_ies new_vndr_ies;
3537 struct parsed_vndr_ie_info *vndrie_info;
3540 int remained_buf_len;
3545 saved_ie = &vif->saved_ie;
3547 brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
3548 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3551 curr_ie_buf = iovar_ie_buf;
3553 case BRCMF_VNDR_IE_PRBREQ_FLAG:
3554 mgmt_ie_buf = saved_ie->probe_req_ie;
3555 mgmt_ie_len = &saved_ie->probe_req_ie_len;
3556 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
3558 case BRCMF_VNDR_IE_PRBRSP_FLAG:
3559 mgmt_ie_buf = saved_ie->probe_res_ie;
3560 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3561 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
3563 case BRCMF_VNDR_IE_BEACON_FLAG:
3564 mgmt_ie_buf = saved_ie->beacon_ie;
3565 mgmt_ie_len = &saved_ie->beacon_ie_len;
3566 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
3568 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
3569 mgmt_ie_buf = saved_ie->assoc_req_ie;
3570 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
3571 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
3575 brcmf_err("not suitable type\n");
3579 if (vndr_ie_len > mgmt_ie_buf_len) {
3581 brcmf_err("extra IE size too big\n");
3585 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3586 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3588 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3589 for (i = 0; i < new_vndr_ies.count; i++) {
3590 vndrie_info = &new_vndr_ies.ie_info[i];
3591 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3592 vndrie_info->ie_len);
3593 parsed_ie_buf_len += vndrie_info->ie_len;
3597 if (mgmt_ie_buf && *mgmt_ie_len) {
3598 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3599 (memcmp(mgmt_ie_buf, curr_ie_buf,
3600 parsed_ie_buf_len) == 0)) {
3601 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
3605 /* parse old vndr_ie */
3606 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3608 /* make a command to delete old ie */
3609 for (i = 0; i < old_vndr_ies.count; i++) {
3610 vndrie_info = &old_vndr_ies.ie_info[i];
3612 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3613 vndrie_info->vndrie.id,
3614 vndrie_info->vndrie.len,
3615 vndrie_info->vndrie.oui[0],
3616 vndrie_info->vndrie.oui[1],
3617 vndrie_info->vndrie.oui[2]);
3619 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3620 vndrie_info->ie_ptr,
3621 vndrie_info->ie_len,
3623 curr_ie_buf += del_add_ie_buf_len;
3624 total_ie_buf_len += del_add_ie_buf_len;
3629 /* Add if there is any extra IE */
3630 if (mgmt_ie_buf && parsed_ie_buf_len) {
3633 remained_buf_len = mgmt_ie_buf_len;
3635 /* make a command to add new ie */
3636 for (i = 0; i < new_vndr_ies.count; i++) {
3637 vndrie_info = &new_vndr_ies.ie_info[i];
3639 /* verify remained buf size before copy data */
3640 if (remained_buf_len < (vndrie_info->vndrie.len +
3641 VNDR_IE_VSIE_OFFSET)) {
3642 brcmf_err("no space in mgmt_ie_buf: len left %d",
3646 remained_buf_len -= (vndrie_info->ie_len +
3647 VNDR_IE_VSIE_OFFSET);
3649 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3650 vndrie_info->vndrie.id,
3651 vndrie_info->vndrie.len,
3652 vndrie_info->vndrie.oui[0],
3653 vndrie_info->vndrie.oui[1],
3654 vndrie_info->vndrie.oui[2]);
3656 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3657 vndrie_info->ie_ptr,
3658 vndrie_info->ie_len,
3661 /* save the parsed IE in wl struct */
3662 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3663 vndrie_info->ie_len);
3664 *mgmt_ie_len += vndrie_info->ie_len;
3666 curr_ie_buf += del_add_ie_buf_len;
3667 total_ie_buf_len += del_add_ie_buf_len;
3670 if (total_ie_buf_len) {
3671 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
3674 brcmf_err("vndr ie set error : %d\n", err);
3678 kfree(iovar_ie_buf);
3682 s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
3685 BRCMF_VNDR_IE_PRBREQ_FLAG,
3686 BRCMF_VNDR_IE_PRBRSP_FLAG,
3687 BRCMF_VNDR_IE_BEACON_FLAG
3691 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
3692 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
3694 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
3699 brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
3700 struct cfg80211_beacon_data *beacon)
3704 /* Set Beacon IEs to FW */
3705 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
3706 beacon->tail, beacon->tail_len);
3708 brcmf_err("Set Beacon IE Failed\n");
3711 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
3713 /* Set Probe Response IEs to FW */
3714 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
3715 beacon->proberesp_ies,
3716 beacon->proberesp_ies_len);
3718 brcmf_err("Set Probe Resp IE Failed\n");
3720 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
3726 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3727 struct cfg80211_ap_settings *settings)
3730 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3731 struct brcmf_if *ifp = netdev_priv(ndev);
3732 const struct brcmf_tlv *ssid_ie;
3733 struct brcmf_ssid_le ssid_le;
3735 const struct brcmf_tlv *rsn_ie;
3736 const struct brcmf_vs_tlv *wpa_ie;
3737 struct brcmf_join_params join_params;
3738 enum nl80211_iftype dev_role;
3739 struct brcmf_fil_bss_enable_le bss_enable;
3742 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
3743 settings->chandef.chan->hw_value,
3744 settings->chandef.center_freq1, settings->chandef.width,
3745 settings->beacon_interval, settings->dtim_period);
3746 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
3747 settings->ssid, settings->ssid_len, settings->auth_type,
3748 settings->inactivity_timeout);
3750 dev_role = ifp->vif->wdev.iftype;
3752 memset(&ssid_le, 0, sizeof(ssid_le));
3753 if (settings->ssid == NULL || settings->ssid_len == 0) {
3754 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
3755 ssid_ie = brcmf_parse_tlvs(
3756 (u8 *)&settings->beacon.head[ie_offset],
3757 settings->beacon.head_len - ie_offset,
3762 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
3763 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
3764 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
3766 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
3767 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
3770 brcmf_set_mpc(ifp, 0);
3771 brcmf_configure_arp_offload(ifp, false);
3773 /* find the RSN_IE */
3774 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
3775 settings->beacon.tail_len, WLAN_EID_RSN);
3777 /* find the WPA_IE */
3778 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
3779 settings->beacon.tail_len);
3781 if ((wpa_ie != NULL || rsn_ie != NULL)) {
3782 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
3783 if (wpa_ie != NULL) {
3785 err = brcmf_configure_wpaie(ndev, wpa_ie, false);
3790 err = brcmf_configure_wpaie(ndev,
3791 (struct brcmf_vs_tlv *)rsn_ie, true);
3796 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
3797 brcmf_configure_opensecurity(ifp);
3800 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
3802 chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
3803 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
3805 brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err);
3809 if (settings->beacon_interval) {
3810 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
3811 settings->beacon_interval);
3813 brcmf_err("Beacon Interval Set Error, %d\n", err);
3817 if (settings->dtim_period) {
3818 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
3819 settings->dtim_period);
3821 brcmf_err("DTIM Interval Set Error, %d\n", err);
3826 if (dev_role == NL80211_IFTYPE_AP) {
3827 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
3829 brcmf_err("BRCMF_C_DOWN error %d\n", err);
3832 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
3835 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
3837 brcmf_err("SET INFRA error %d\n", err);
3840 if (dev_role == NL80211_IFTYPE_AP) {
3841 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
3843 brcmf_err("setting AP mode failed %d\n", err);
3846 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
3848 brcmf_err("BRCMF_C_UP error (%d)\n", err);
3852 memset(&join_params, 0, sizeof(join_params));
3853 /* join parameters starts with ssid */
3854 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
3856 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3857 &join_params, sizeof(join_params));
3859 brcmf_err("SET SSID error (%d)\n", err);
3862 brcmf_dbg(TRACE, "AP mode configuration complete\n");
3864 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
3867 brcmf_err("setting ssid failed %d\n", err);
3870 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
3871 bss_enable.enable = cpu_to_le32(1);
3872 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
3873 sizeof(bss_enable));
3875 brcmf_err("bss_enable config failed %d\n", err);
3879 brcmf_dbg(TRACE, "GO mode configuration complete\n");
3881 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3882 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
3886 brcmf_set_mpc(ifp, 1);
3887 brcmf_configure_arp_offload(ifp, true);
3892 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
3894 struct brcmf_if *ifp = netdev_priv(ndev);
3896 struct brcmf_fil_bss_enable_le bss_enable;
3897 struct brcmf_join_params join_params;
3899 brcmf_dbg(TRACE, "Enter\n");
3901 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
3902 /* Due to most likely deauths outstanding we sleep */
3903 /* first to make sure they get processed by fw. */
3906 memset(&join_params, 0, sizeof(join_params));
3907 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3908 &join_params, sizeof(join_params));
3910 brcmf_err("SET SSID error (%d)\n", err);
3911 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
3913 brcmf_err("BRCMF_C_UP error %d\n", err);
3914 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
3916 brcmf_err("setting AP mode failed %d\n", err);
3917 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
3919 brcmf_err("setting INFRA mode failed %d\n", err);
3921 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
3922 bss_enable.enable = cpu_to_le32(0);
3923 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
3924 sizeof(bss_enable));
3926 brcmf_err("bss_enable config failed %d\n", err);
3928 brcmf_set_mpc(ifp, 1);
3929 brcmf_configure_arp_offload(ifp, true);
3930 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3931 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
3937 brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
3938 struct cfg80211_beacon_data *info)
3940 struct brcmf_if *ifp = netdev_priv(ndev);
3943 brcmf_dbg(TRACE, "Enter\n");
3945 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
3951 brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
3954 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3955 struct brcmf_scb_val_le scbval;
3956 struct brcmf_if *ifp = netdev_priv(ndev);
3962 brcmf_dbg(TRACE, "Enter %pM\n", mac);
3964 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
3965 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
3966 if (!check_vif_up(ifp->vif))
3969 memcpy(&scbval.ea, mac, ETH_ALEN);
3970 scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
3971 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
3972 &scbval, sizeof(scbval));
3974 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
3976 brcmf_dbg(TRACE, "Exit\n");
3982 brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
3983 struct wireless_dev *wdev,
3984 u16 frame_type, bool reg)
3986 struct brcmf_cfg80211_vif *vif;
3989 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
3991 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
3992 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
3994 vif->mgmt_rx_reg |= BIT(mgmt_type);
3996 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
4001 brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
4002 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
4004 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4005 struct ieee80211_channel *chan = params->chan;
4006 const u8 *buf = params->buf;
4007 size_t len = params->len;
4008 const struct ieee80211_mgmt *mgmt;
4009 struct brcmf_cfg80211_vif *vif;
4013 struct brcmf_fil_action_frame_le *action_frame;
4014 struct brcmf_fil_af_params_le *af_params;
4019 brcmf_dbg(TRACE, "Enter\n");
4023 mgmt = (const struct ieee80211_mgmt *)buf;
4025 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4026 brcmf_err("Driver only allows MGMT packet type\n");
4030 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4032 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4033 /* Right now the only reason to get a probe response */
4034 /* is for p2p listen response or for p2p GO from */
4035 /* wpa_supplicant. Unfortunately the probe is send */
4036 /* on primary ndev, while dongle wants it on the p2p */
4037 /* vif. Since this is only reason for a probe */
4038 /* response to be sent, the vif is taken from cfg. */
4039 /* If ever desired to send proberesp for non p2p */
4040 /* response then data should be checked for */
4041 /* "DIRECT-". Note in future supplicant will take */
4042 /* dedicated p2p wdev to do this and then this 'hack'*/
4043 /* is not needed anymore. */
4044 ie_offset = DOT11_MGMT_HDR_LEN +
4045 DOT11_BCN_PRB_FIXED_LEN;
4046 ie_len = len - ie_offset;
4047 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
4048 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4049 err = brcmf_vif_set_mgmt_ie(vif,
4050 BRCMF_VNDR_IE_PRBRSP_FLAG,
4053 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4055 } else if (ieee80211_is_action(mgmt->frame_control)) {
4056 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4057 if (af_params == NULL) {
4058 brcmf_err("unable to allocate frame\n");
4062 action_frame = &af_params->action_frame;
4063 /* Add the packet Id */
4064 action_frame->packet_id = cpu_to_le32(*cookie);
4066 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4067 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4068 /* Add the length exepted for 802.11 header */
4069 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
4070 /* Add the channel. Use the one specified as parameter if any or
4071 * the current one (got from the firmware) otherwise
4074 freq = chan->center_freq;
4076 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4078 chan_nr = ieee80211_frequency_to_channel(freq);
4079 af_params->channel = cpu_to_le32(chan_nr);
4081 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4082 le16_to_cpu(action_frame->len));
4084 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
4085 *cookie, le16_to_cpu(action_frame->len), freq);
4087 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
4090 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4094 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4095 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
4104 brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4105 struct wireless_dev *wdev,
4108 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4109 struct brcmf_cfg80211_vif *vif;
4112 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4114 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4116 brcmf_err("No p2p device available for probe response\n");
4120 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4125 static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4126 struct wireless_dev *wdev,
4127 enum nl80211_crit_proto_id proto,
4130 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4131 struct brcmf_cfg80211_vif *vif;
4133 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4135 /* only DHCP support for now */
4136 if (proto != NL80211_CRIT_PROTO_DHCP)
4139 /* suppress and abort scanning */
4140 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4141 brcmf_abort_scanning(cfg);
4143 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4146 static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4147 struct wireless_dev *wdev)
4149 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4150 struct brcmf_cfg80211_vif *vif;
4152 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4154 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4155 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4159 brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4160 const struct brcmf_event_msg *e, void *data)
4162 switch (e->reason) {
4163 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4164 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4166 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4167 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4168 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4170 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4171 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4172 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4179 static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4184 case NL80211_TDLS_DISCOVERY_REQ:
4185 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4187 case NL80211_TDLS_SETUP:
4188 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4190 case NL80211_TDLS_TEARDOWN:
4191 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4194 brcmf_err("unsupported operation: %d\n", oper);
4200 static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
4201 struct net_device *ndev, const u8 *peer,
4202 enum nl80211_tdls_operation oper)
4204 struct brcmf_if *ifp;
4205 struct brcmf_tdls_iovar_le info;
4208 ret = brcmf_convert_nl80211_tdls_oper(oper);
4212 ifp = netdev_priv(ndev);
4213 memset(&info, 0, sizeof(info));
4214 info.mode = (u8)ret;
4216 memcpy(info.ea, peer, ETH_ALEN);
4218 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4219 &info, sizeof(info));
4221 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4226 static struct cfg80211_ops wl_cfg80211_ops = {
4227 .add_virtual_intf = brcmf_cfg80211_add_iface,
4228 .del_virtual_intf = brcmf_cfg80211_del_iface,
4229 .change_virtual_intf = brcmf_cfg80211_change_iface,
4230 .scan = brcmf_cfg80211_scan,
4231 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4232 .join_ibss = brcmf_cfg80211_join_ibss,
4233 .leave_ibss = brcmf_cfg80211_leave_ibss,
4234 .get_station = brcmf_cfg80211_get_station,
4235 .set_tx_power = brcmf_cfg80211_set_tx_power,
4236 .get_tx_power = brcmf_cfg80211_get_tx_power,
4237 .add_key = brcmf_cfg80211_add_key,
4238 .del_key = brcmf_cfg80211_del_key,
4239 .get_key = brcmf_cfg80211_get_key,
4240 .set_default_key = brcmf_cfg80211_config_default_key,
4241 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4242 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
4243 .connect = brcmf_cfg80211_connect,
4244 .disconnect = brcmf_cfg80211_disconnect,
4245 .suspend = brcmf_cfg80211_suspend,
4246 .resume = brcmf_cfg80211_resume,
4247 .set_pmksa = brcmf_cfg80211_set_pmksa,
4248 .del_pmksa = brcmf_cfg80211_del_pmksa,
4249 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
4250 .start_ap = brcmf_cfg80211_start_ap,
4251 .stop_ap = brcmf_cfg80211_stop_ap,
4252 .change_beacon = brcmf_cfg80211_change_beacon,
4253 .del_station = brcmf_cfg80211_del_station,
4254 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4255 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
4256 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4257 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4258 .remain_on_channel = brcmf_p2p_remain_on_channel,
4259 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
4260 .start_p2p_device = brcmf_p2p_start_device,
4261 .stop_p2p_device = brcmf_p2p_stop_device,
4262 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4263 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
4264 .tdls_oper = brcmf_cfg80211_tdls_oper,
4267 struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
4268 enum nl80211_iftype type,
4271 struct brcmf_cfg80211_vif *vif;
4273 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
4275 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4277 return ERR_PTR(-ENOMEM);
4279 vif->wdev.wiphy = cfg->wiphy;
4280 vif->wdev.iftype = type;
4282 vif->pm_block = pm_block;
4285 brcmf_init_prof(&vif->profile);
4287 list_add_tail(&vif->list, &cfg->vif_list);
4291 void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
4293 list_del(&vif->list);
4297 void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4299 struct brcmf_cfg80211_vif *vif;
4300 struct brcmf_if *ifp;
4302 ifp = netdev_priv(ndev);
4305 brcmf_free_vif(vif);
4309 static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
4311 u32 event = e->event_code;
4312 u32 status = e->status;
4314 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
4315 brcmf_dbg(CONN, "Processing set ssid\n");
4322 static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
4324 u32 event = e->event_code;
4325 u16 flags = e->flags;
4327 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4328 (event == BRCMF_E_DISASSOC_IND) ||
4329 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
4330 brcmf_dbg(CONN, "Processing link down\n");
4336 static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
4337 const struct brcmf_event_msg *e)
4339 u32 event = e->event_code;
4340 u32 status = e->status;
4342 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
4343 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4344 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
4348 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
4349 brcmf_dbg(CONN, "Processing connecting & no network found\n");
4356 static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
4358 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4360 kfree(conn_info->req_ie);
4361 conn_info->req_ie = NULL;
4362 conn_info->req_ie_len = 0;
4363 kfree(conn_info->resp_ie);
4364 conn_info->resp_ie = NULL;
4365 conn_info->resp_ie_len = 0;
4368 static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
4369 struct brcmf_if *ifp)
4371 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
4372 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4377 brcmf_clear_assoc_ies(cfg);
4379 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
4380 cfg->extra_buf, WL_ASSOC_INFO_MAX);
4382 brcmf_err("could not get assoc info (%d)\n", err);
4386 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
4387 req_len = le32_to_cpu(assoc_info->req_len);
4388 resp_len = le32_to_cpu(assoc_info->resp_len);
4390 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
4394 brcmf_err("could not get assoc req (%d)\n", err);
4397 conn_info->req_ie_len = req_len;
4399 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
4402 conn_info->req_ie_len = 0;
4403 conn_info->req_ie = NULL;
4406 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
4410 brcmf_err("could not get assoc resp (%d)\n", err);
4413 conn_info->resp_ie_len = resp_len;
4414 conn_info->resp_ie =
4415 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
4418 conn_info->resp_ie_len = 0;
4419 conn_info->resp_ie = NULL;
4421 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
4422 conn_info->req_ie_len, conn_info->resp_ie_len);
4428 brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
4429 struct net_device *ndev,
4430 const struct brcmf_event_msg *e)
4432 struct brcmf_if *ifp = netdev_priv(ndev);
4433 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4434 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4435 struct wiphy *wiphy = cfg_to_wiphy(cfg);
4436 struct ieee80211_channel *notify_channel = NULL;
4437 struct ieee80211_supported_band *band;
4438 struct brcmf_bss_info_le *bi;
4439 struct brcmu_chan ch;
4444 brcmf_dbg(TRACE, "Enter\n");
4446 brcmf_get_assoc_ies(cfg, ifp);
4447 memcpy(profile->bssid, e->addr, ETH_ALEN);
4448 brcmf_update_bss_info(cfg, ifp);
4450 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4456 /* data sent to dongle has to be little endian */
4457 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
4458 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
4459 buf, WL_BSS_INFO_MAX);
4464 bi = (struct brcmf_bss_info_le *)(buf + 4);
4465 ch.chspec = le16_to_cpu(bi->chanspec);
4466 cfg->d11inf.decchspec(&ch);
4468 if (ch.band == BRCMU_CHAN_BAND_2G)
4469 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4471 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4473 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
4474 notify_channel = ieee80211_get_channel(wiphy, freq);
4478 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
4479 conn_info->req_ie, conn_info->req_ie_len,
4480 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
4481 brcmf_dbg(CONN, "Report roaming result\n");
4483 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
4484 brcmf_dbg(TRACE, "Exit\n");
4489 brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
4490 struct net_device *ndev, const struct brcmf_event_msg *e,
4493 struct brcmf_if *ifp = netdev_priv(ndev);
4494 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4495 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4497 brcmf_dbg(TRACE, "Enter\n");
4499 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4500 &ifp->vif->sme_state)) {
4502 brcmf_get_assoc_ies(cfg, ifp);
4503 memcpy(profile->bssid, e->addr, ETH_ALEN);
4504 brcmf_update_bss_info(cfg, ifp);
4505 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4506 &ifp->vif->sme_state);
4508 cfg80211_connect_result(ndev,
4509 (u8 *)profile->bssid,
4511 conn_info->req_ie_len,
4513 conn_info->resp_ie_len,
4514 completed ? WLAN_STATUS_SUCCESS :
4515 WLAN_STATUS_AUTH_TIMEOUT,
4517 brcmf_dbg(CONN, "Report connect result - connection %s\n",
4518 completed ? "succeeded" : "failed");
4520 brcmf_dbg(TRACE, "Exit\n");
4525 brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
4526 struct net_device *ndev,
4527 const struct brcmf_event_msg *e, void *data)
4529 static int generation;
4530 u32 event = e->event_code;
4531 u32 reason = e->reason;
4532 struct station_info sinfo;
4534 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
4535 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
4536 ndev != cfg_to_ndev(cfg)) {
4537 brcmf_dbg(CONN, "AP mode link down\n");
4538 complete(&cfg->vif_disabled);
4542 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
4543 (reason == BRCMF_E_STATUS_SUCCESS)) {
4544 memset(&sinfo, 0, sizeof(sinfo));
4545 sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
4547 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
4550 sinfo.assoc_req_ies = data;
4551 sinfo.assoc_req_ies_len = e->datalen;
4553 sinfo.generation = generation;
4554 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
4555 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4556 (event == BRCMF_E_DEAUTH_IND) ||
4557 (event == BRCMF_E_DEAUTH)) {
4558 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
4564 brcmf_notify_connect_status(struct brcmf_if *ifp,
4565 const struct brcmf_event_msg *e, void *data)
4567 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4568 struct net_device *ndev = ifp->ndev;
4569 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4570 struct ieee80211_channel *chan;
4573 if ((e->event_code == BRCMF_E_DEAUTH) ||
4574 (e->event_code == BRCMF_E_DEAUTH_IND) ||
4575 (e->event_code == BRCMF_E_DISASSOC_IND) ||
4576 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
4577 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4580 if (brcmf_is_apmode(ifp->vif)) {
4581 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
4582 } else if (brcmf_is_linkup(e)) {
4583 brcmf_dbg(CONN, "Linkup\n");
4584 if (brcmf_is_ibssmode(ifp->vif)) {
4585 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
4586 memcpy(profile->bssid, e->addr, ETH_ALEN);
4587 wl_inform_ibss(cfg, ndev, e->addr);
4588 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
4589 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4590 &ifp->vif->sme_state);
4591 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4592 &ifp->vif->sme_state);
4594 brcmf_bss_connect_done(cfg, ndev, e, true);
4595 } else if (brcmf_is_linkdown(e)) {
4596 brcmf_dbg(CONN, "Linkdown\n");
4597 if (!brcmf_is_ibssmode(ifp->vif)) {
4598 brcmf_bss_connect_done(cfg, ndev, e, false);
4600 brcmf_link_down(ifp->vif);
4601 brcmf_init_prof(ndev_to_prof(ndev));
4602 if (ndev != cfg_to_ndev(cfg))
4603 complete(&cfg->vif_disabled);
4604 } else if (brcmf_is_nonetwork(cfg, e)) {
4605 if (brcmf_is_ibssmode(ifp->vif))
4606 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4607 &ifp->vif->sme_state);
4609 brcmf_bss_connect_done(cfg, ndev, e, false);
4616 brcmf_notify_roaming_status(struct brcmf_if *ifp,
4617 const struct brcmf_event_msg *e, void *data)
4619 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4620 u32 event = e->event_code;
4621 u32 status = e->status;
4623 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
4624 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
4625 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
4627 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
4634 brcmf_notify_mic_status(struct brcmf_if *ifp,
4635 const struct brcmf_event_msg *e, void *data)
4637 u16 flags = e->flags;
4638 enum nl80211_key_type key_type;
4640 if (flags & BRCMF_EVENT_MSG_GROUP)
4641 key_type = NL80211_KEYTYPE_GROUP;
4643 key_type = NL80211_KEYTYPE_PAIRWISE;
4645 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
4651 static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
4652 const struct brcmf_event_msg *e, void *data)
4654 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4655 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
4656 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
4657 struct brcmf_cfg80211_vif *vif;
4659 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
4660 ifevent->action, ifevent->flags, ifevent->ifidx,
4663 mutex_lock(&event->vif_event_lock);
4664 event->action = ifevent->action;
4667 switch (ifevent->action) {
4668 case BRCMF_E_IF_ADD:
4669 /* waiting process may have timed out */
4670 if (!cfg->vif_event.vif) {
4671 mutex_unlock(&event->vif_event_lock);
4678 vif->wdev.netdev = ifp->ndev;
4679 ifp->ndev->ieee80211_ptr = &vif->wdev;
4680 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
4682 mutex_unlock(&event->vif_event_lock);
4683 wake_up(&event->vif_wq);
4686 case BRCMF_E_IF_DEL:
4687 mutex_unlock(&event->vif_event_lock);
4688 /* event may not be upon user request */
4689 if (brcmf_cfg80211_vif_event_armed(cfg))
4690 wake_up(&event->vif_wq);
4693 case BRCMF_E_IF_CHANGE:
4694 mutex_unlock(&event->vif_event_lock);
4695 wake_up(&event->vif_wq);
4699 mutex_unlock(&event->vif_event_lock);
4705 static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
4707 conf->frag_threshold = (u32)-1;
4708 conf->rts_threshold = (u32)-1;
4709 conf->retry_short = (u32)-1;
4710 conf->retry_long = (u32)-1;
4711 conf->tx_power = -1;
4714 static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
4716 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
4717 brcmf_notify_connect_status);
4718 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
4719 brcmf_notify_connect_status);
4720 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
4721 brcmf_notify_connect_status);
4722 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
4723 brcmf_notify_connect_status);
4724 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
4725 brcmf_notify_connect_status);
4726 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
4727 brcmf_notify_connect_status);
4728 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
4729 brcmf_notify_roaming_status);
4730 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
4731 brcmf_notify_mic_status);
4732 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
4733 brcmf_notify_connect_status);
4734 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
4735 brcmf_notify_sched_scan_results);
4736 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
4737 brcmf_notify_vif_event);
4738 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
4739 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
4740 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
4741 brcmf_p2p_notify_listen_complete);
4742 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
4743 brcmf_p2p_notify_action_frame_rx);
4744 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
4745 brcmf_p2p_notify_action_tx_complete);
4746 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
4747 brcmf_p2p_notify_action_tx_complete);
4750 static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
4754 kfree(cfg->escan_ioctl_buf);
4755 cfg->escan_ioctl_buf = NULL;
4756 kfree(cfg->extra_buf);
4757 cfg->extra_buf = NULL;
4758 kfree(cfg->pmk_list);
4759 cfg->pmk_list = NULL;
4762 static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
4764 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
4766 goto init_priv_mem_out;
4767 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
4768 if (!cfg->escan_ioctl_buf)
4769 goto init_priv_mem_out;
4770 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4771 if (!cfg->extra_buf)
4772 goto init_priv_mem_out;
4773 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
4775 goto init_priv_mem_out;
4780 brcmf_deinit_priv_mem(cfg);
4785 static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
4789 cfg->scan_request = NULL;
4790 cfg->pwr_save = true;
4791 cfg->active_scan = true; /* we do active scan per default */
4792 cfg->dongle_up = false; /* dongle is not up yet */
4793 err = brcmf_init_priv_mem(cfg);
4796 brcmf_register_event_handlers(cfg);
4797 mutex_init(&cfg->usr_sync);
4798 brcmf_init_escan(cfg);
4799 brcmf_init_conf(cfg->conf);
4800 init_completion(&cfg->vif_disabled);
4804 static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
4806 cfg->dongle_up = false; /* dongle down */
4807 brcmf_abort_scanning(cfg);
4808 brcmf_deinit_priv_mem(cfg);
4811 static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
4813 init_waitqueue_head(&event->vif_wq);
4814 mutex_init(&event->vif_event_lock);
4818 brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
4821 __le32 roamtrigger[2];
4822 __le32 roam_delta[2];
4825 * Setup timeout if Beacons are lost and roam is
4826 * off to report link down
4828 if (brcmf_roamoff) {
4829 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
4831 brcmf_err("bcn_timeout error (%d)\n", err);
4832 goto dongle_rom_out;
4837 * Enable/Disable built-in roaming to allow supplicant
4838 * to take care of roaming
4840 brcmf_dbg(INFO, "Internal Roaming = %s\n",
4841 brcmf_roamoff ? "Off" : "On");
4842 err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
4844 brcmf_err("roam_off error (%d)\n", err);
4845 goto dongle_rom_out;
4848 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
4849 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
4850 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
4851 (void *)roamtrigger, sizeof(roamtrigger));
4853 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
4854 goto dongle_rom_out;
4857 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
4858 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
4859 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
4860 (void *)roam_delta, sizeof(roam_delta));
4862 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
4863 goto dongle_rom_out;
4871 brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
4872 s32 scan_unassoc_time, s32 scan_passive_time)
4876 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
4879 if (err == -EOPNOTSUPP)
4880 brcmf_dbg(INFO, "Scan assoc time is not supported\n");
4882 brcmf_err("Scan assoc time error (%d)\n", err);
4883 goto dongle_scantime_out;
4885 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
4888 if (err == -EOPNOTSUPP)
4889 brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
4891 brcmf_err("Scan unassoc time error (%d)\n", err);
4892 goto dongle_scantime_out;
4895 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
4898 if (err == -EOPNOTSUPP)
4899 brcmf_dbg(INFO, "Scan passive time is not supported\n");
4901 brcmf_err("Scan passive time error (%d)\n", err);
4902 goto dongle_scantime_out;
4905 dongle_scantime_out:
4909 /* Filter the list of channels received from firmware counting only
4910 * the 20MHz channels. The wiphy band data only needs those which get
4911 * flagged to indicate if they can take part in higher bandwidth.
4913 static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
4914 struct brcmf_chanspec_list *chlist,
4917 u32 total = le32_to_cpu(chlist->count);
4918 struct brcmu_chan ch;
4921 for (i = 0; i <= total; i++) {
4922 ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
4923 cfg->d11inf.decchspec(&ch);
4925 /* Firmware gives a ordered list. We skip non-20MHz
4926 * channels is 2G. For 5G we can abort upon reaching
4927 * a non-20MHz channel in the list.
4929 if (ch.bw != BRCMU_CHAN_BW_20) {
4930 if (ch.band == BRCMU_CHAN_BAND_5G)
4936 if (ch.band == BRCMU_CHAN_BAND_2G)
4938 else if (ch.band == BRCMU_CHAN_BAND_5G)
4943 static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
4944 struct brcmu_chan *ch)
4948 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
4949 if (ch->sb == BRCMU_CHAN_SB_U) {
4950 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
4951 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
4952 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
4954 /* It should be one of
4955 * IEEE80211_CHAN_NO_HT40 or
4956 * IEEE80211_CHAN_NO_HT40PLUS
4958 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
4959 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
4960 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
4964 static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
4967 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
4968 struct ieee80211_supported_band *band;
4969 struct ieee80211_channel *channel;
4970 struct wiphy *wiphy;
4971 struct brcmf_chanspec_list *list;
4972 struct brcmu_chan ch;
4978 u32 chcnt[2] = { 0, 0 };
4981 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
4986 list = (struct brcmf_chanspec_list *)pbuf;
4988 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
4991 brcmf_err("get chanspecs error (%d)\n", err);
4995 brcmf_count_20mhz_channels(cfg, list, chcnt);
4996 wiphy = cfg_to_wiphy(cfg);
4998 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
5004 band->channels = kcalloc(chcnt[0], sizeof(*channel),
5006 if (band->channels == NULL) {
5011 band->n_channels = 0;
5012 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
5015 band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
5021 band->channels = kcalloc(chcnt[1], sizeof(*channel),
5023 if (band->channels == NULL) {
5028 band->n_channels = 0;
5029 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
5032 total = le32_to_cpu(list->count);
5033 for (i = 0; i < total; i++) {
5034 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5035 cfg->d11inf.decchspec(&ch);
5037 if (ch.band == BRCMU_CHAN_BAND_2G) {
5038 band = wiphy->bands[IEEE80211_BAND_2GHZ];
5039 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
5040 band = wiphy->bands[IEEE80211_BAND_5GHZ];
5042 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
5045 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
5046 ch.bw == BRCMU_CHAN_BW_40)
5048 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
5049 ch.bw == BRCMU_CHAN_BW_80)
5052 channel = band->channels;
5053 index = band->n_channels;
5054 for (j = 0; j < band->n_channels; j++) {
5055 if (channel[j].hw_value == ch.chnum) {
5060 channel[index].center_freq =
5061 ieee80211_channel_to_frequency(ch.chnum, band->band);
5062 channel[index].hw_value = ch.chnum;
5064 /* assuming the chanspecs order is HT20,
5065 * HT40 upper, HT40 lower, and VHT80.
5067 if (ch.bw == BRCMU_CHAN_BW_80) {
5068 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5069 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5070 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5072 /* disable other bandwidths for now as mentioned
5073 * order assure they are enabled for subsequent
5076 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5077 IEEE80211_CHAN_NO_80MHZ;
5078 ch.bw = BRCMU_CHAN_BW_20;
5079 cfg->d11inf.encchspec(&ch);
5080 chaninfo = ch.chspec;
5081 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5084 if (chaninfo & WL_CHAN_RADAR)
5085 channel[index].flags |=
5086 (IEEE80211_CHAN_RADAR |
5087 IEEE80211_CHAN_NO_IR);
5088 if (chaninfo & WL_CHAN_PASSIVE)
5089 channel[index].flags |=
5090 IEEE80211_CHAN_NO_IR;
5093 if (index == band->n_channels)
5100 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5101 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5102 wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
5108 static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
5110 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5111 struct ieee80211_supported_band *band;
5112 struct brcmf_fil_bwcap_le band_bwcap;
5113 struct brcmf_chanspec_list *list;
5117 struct brcmu_chan ch;
5121 /* verify support for bw_cap command */
5123 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5126 /* only set 2G bandwidth using bw_cap command */
5127 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5128 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5129 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5130 sizeof(band_bwcap));
5132 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5133 val = WLC_N_BW_40ALL;
5134 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5138 /* update channel info in 2G band */
5139 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5144 ch.band = BRCMU_CHAN_BAND_2G;
5145 ch.bw = BRCMU_CHAN_BW_40;
5147 cfg->d11inf.encchspec(&ch);
5149 /* pass encoded chanspec in query */
5150 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5152 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5155 brcmf_err("get chanspecs error (%d)\n", err);
5160 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5161 list = (struct brcmf_chanspec_list *)pbuf;
5162 num_chan = le32_to_cpu(list->count);
5163 for (i = 0; i < num_chan; i++) {
5164 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5165 cfg->d11inf.decchspec(&ch);
5166 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5168 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5170 for (j = 0; j < band->n_channels; j++) {
5171 if (band->channels[j].hw_value == ch.chnum)
5174 if (WARN_ON(j == band->n_channels))
5177 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5183 static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5185 u32 band, mimo_bwcap;
5189 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5191 bw_cap[IEEE80211_BAND_2GHZ] = band;
5193 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5195 bw_cap[IEEE80211_BAND_5GHZ] = band;
5201 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5203 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5205 /* assume 20MHz if firmware does not give a clue */
5206 mimo_bwcap = WLC_N_BW_20ALL;
5208 switch (mimo_bwcap) {
5209 case WLC_N_BW_40ALL:
5210 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5212 case WLC_N_BW_20IN2G_40IN5G:
5213 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5215 case WLC_N_BW_20ALL:
5216 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5217 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5220 brcmf_err("invalid mimo_bw_cap value\n");
5224 static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5225 u32 bw_cap[2], u32 nchain)
5227 band->ht_cap.ht_supported = true;
5228 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5229 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5230 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5232 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5233 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5234 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5235 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5236 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5237 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5240 static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5245 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5246 mcs_map = (mcs_map << 2) | supp;
5248 return cpu_to_le16(mcs_map);
5251 static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
5252 u32 bw_cap[2], u32 nchain)
5256 /* not allowed in 2.4G band */
5257 if (band->band == IEEE80211_BAND_2GHZ)
5260 band->vht_cap.vht_supported = true;
5261 /* 80MHz is mandatory */
5262 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5263 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5264 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5265 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5267 /* all support 256-QAM */
5268 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5269 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5270 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
5273 static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5275 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
5276 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5279 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
5284 struct ieee80211_supported_band *band;
5286 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
5287 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5289 brcmf_err("nmode error (%d)\n", err);
5291 brcmf_get_bwcap(ifp, bw_cap);
5293 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5294 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5295 bw_cap[IEEE80211_BAND_5GHZ]);
5297 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5299 brcmf_err("rxchain error (%d)\n", err);
5302 for (nchain = 0; rxchain; nchain++)
5303 rxchain = rxchain & (rxchain - 1);
5305 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5307 err = brcmf_construct_chaninfo(cfg, bw_cap);
5309 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
5313 wiphy = cfg_to_wiphy(cfg);
5314 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5315 band = wiphy->bands[i];
5320 brcmf_update_ht_cap(band, bw_cap, nchain);
5322 brcmf_update_vht_cap(band, bw_cap, nchain);
5328 static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
5331 .types = BIT(NL80211_IFTYPE_STATION) |
5332 BIT(NL80211_IFTYPE_ADHOC) |
5333 BIT(NL80211_IFTYPE_AP)
5337 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5338 BIT(NL80211_IFTYPE_P2P_GO)
5342 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5345 static struct ieee80211_iface_combination brcmf_iface_combos[] = {
5347 .max_interfaces = BRCMF_IFACE_MAX_CNT,
5348 .num_different_channels = 1,
5349 .n_limits = ARRAY_SIZE(brcmf_iface_limits),
5350 .limits = brcmf_iface_limits
5354 static const struct ieee80211_txrx_stypes
5355 brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5356 [NL80211_IFTYPE_STATION] = {
5358 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5359 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5361 [NL80211_IFTYPE_P2P_CLIENT] = {
5363 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5364 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5366 [NL80211_IFTYPE_P2P_GO] = {
5368 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5369 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5370 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5371 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5372 BIT(IEEE80211_STYPE_AUTH >> 4) |
5373 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5374 BIT(IEEE80211_STYPE_ACTION >> 4)
5376 [NL80211_IFTYPE_P2P_DEVICE] = {
5378 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5379 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5383 static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
5385 /* scheduled scan settings */
5386 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
5387 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
5388 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5389 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
5392 static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
5394 struct ieee80211_iface_combination ifc_combo;
5395 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
5396 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5397 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
5398 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
5399 BIT(NL80211_IFTYPE_ADHOC) |
5400 BIT(NL80211_IFTYPE_AP) |
5401 BIT(NL80211_IFTYPE_P2P_CLIENT) |
5402 BIT(NL80211_IFTYPE_P2P_GO) |
5403 BIT(NL80211_IFTYPE_P2P_DEVICE);
5404 /* need VSDB firmware feature for concurrent channels */
5405 ifc_combo = brcmf_iface_combos[0];
5406 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
5407 ifc_combo.num_different_channels = 2;
5408 wiphy->iface_combinations = kmemdup(&ifc_combo,
5411 wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
5412 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
5413 wiphy->cipher_suites = __wl_cipher_suites;
5414 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
5415 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
5416 WIPHY_FLAG_OFFCHAN_TX |
5417 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
5418 WIPHY_FLAG_SUPPORTS_TDLS;
5420 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
5421 wiphy->mgmt_stypes = brcmf_txrx_stypes;
5422 wiphy->max_remain_on_channel_duration = 5000;
5423 brcmf_wiphy_pno_params(wiphy);
5425 /* vendor commands/events support */
5426 wiphy->vendor_commands = brcmf_vendor_cmds;
5427 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
5429 return brcmf_setup_wiphybands(wiphy);
5432 static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5434 struct net_device *ndev;
5435 struct wireless_dev *wdev;
5436 struct brcmf_if *ifp;
5443 ndev = cfg_to_ndev(cfg);
5444 wdev = ndev->ieee80211_ptr;
5445 ifp = netdev_priv(ndev);
5447 /* make sure RF is ready for work */
5448 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5450 brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
5451 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
5453 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
5454 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5456 goto default_conf_out;
5457 brcmf_dbg(INFO, "power save set to %s\n",
5458 (power_mode ? "enabled" : "disabled"));
5460 err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
5462 goto default_conf_out;
5463 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
5466 goto default_conf_out;
5468 brcmf_configure_arp_offload(ifp, true);
5470 cfg->dongle_up = true;
5477 static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5479 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5481 return brcmf_config_dongle(ifp->drvr->config);
5484 static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5486 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5489 * While going down, if associated with AP disassociate
5490 * from AP to save power
5492 if (check_vif_up(ifp->vif)) {
5493 brcmf_link_down(ifp->vif);
5495 /* Make sure WPA_Supplicant receives all the event
5496 generated due to DISASSOC call to the fw to keep
5497 the state fw and WPA_Supplicant state consistent
5502 brcmf_abort_scanning(cfg);
5503 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5508 s32 brcmf_cfg80211_up(struct net_device *ndev)
5510 struct brcmf_if *ifp = netdev_priv(ndev);
5511 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5514 mutex_lock(&cfg->usr_sync);
5515 err = __brcmf_cfg80211_up(ifp);
5516 mutex_unlock(&cfg->usr_sync);
5521 s32 brcmf_cfg80211_down(struct net_device *ndev)
5523 struct brcmf_if *ifp = netdev_priv(ndev);
5524 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5527 mutex_lock(&cfg->usr_sync);
5528 err = __brcmf_cfg80211_down(ifp);
5529 mutex_unlock(&cfg->usr_sync);
5534 enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
5536 struct wireless_dev *wdev = &ifp->vif->wdev;
5538 return wdev->iftype;
5541 bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, unsigned long state)
5543 struct brcmf_cfg80211_vif *vif;
5545 list_for_each_entry(vif, &cfg->vif_list, list) {
5546 if (test_bit(state, &vif->sme_state))
5552 static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
5557 mutex_lock(&event->vif_event_lock);
5558 evt_action = event->action;
5559 mutex_unlock(&event->vif_event_lock);
5560 return evt_action == action;
5563 void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
5564 struct brcmf_cfg80211_vif *vif)
5566 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5568 mutex_lock(&event->vif_event_lock);
5571 mutex_unlock(&event->vif_event_lock);
5574 bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
5576 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5579 mutex_lock(&event->vif_event_lock);
5580 armed = event->vif != NULL;
5581 mutex_unlock(&event->vif_event_lock);
5585 int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
5586 u8 action, ulong timeout)
5588 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5590 return wait_event_timeout(event->vif_wq,
5591 vif_event_equals(event, action), timeout);
5594 static void brcmf_free_wiphy(struct wiphy *wiphy)
5596 kfree(wiphy->iface_combinations);
5597 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5598 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5599 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5601 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
5602 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
5603 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
5608 struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
5609 struct device *busdev)
5611 struct net_device *ndev = drvr->iflist[0]->ndev;
5612 struct brcmf_cfg80211_info *cfg;
5613 struct wiphy *wiphy;
5614 struct brcmf_cfg80211_vif *vif;
5615 struct brcmf_if *ifp;
5621 brcmf_err("ndev is invalid\n");
5625 ifp = netdev_priv(ndev);
5626 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
5628 brcmf_err("Could not allocate wiphy device\n");
5631 set_wiphy_dev(wiphy, busdev);
5633 cfg = wiphy_priv(wiphy);
5636 init_vif_event(&cfg->vif_event);
5637 INIT_LIST_HEAD(&cfg->vif_list);
5639 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
5644 vif->wdev.netdev = ndev;
5645 ndev->ieee80211_ptr = &vif->wdev;
5646 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
5648 err = wl_init_priv(cfg);
5650 brcmf_err("Failed to init iwm_priv (%d)\n", err);
5651 brcmf_free_vif(vif);
5656 /* determine d11 io type before wiphy setup */
5657 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
5659 brcmf_err("Failed to get D11 version (%d)\n", err);
5662 cfg->d11inf.io_type = (u8)io_type;
5663 brcmu_d11_attach(&cfg->d11inf);
5665 err = brcmf_setup_wiphy(wiphy, ifp);
5669 brcmf_dbg(INFO, "Registering custom regulatory\n");
5670 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
5671 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
5673 /* firmware defaults to 40MHz disabled in 2G band. We signal
5674 * cfg80211 here that we do and have it decide we can enable
5675 * it. But first check if device does support 2G operation.
5677 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5678 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
5679 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5681 err = wiphy_register(wiphy);
5683 brcmf_err("Could not register wiphy device (%d)\n", err);
5687 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
5688 * setup 40MHz in 2GHz band and enable OBSS scanning.
5690 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
5691 err = brcmf_enable_bw40_2g(cfg);
5693 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
5694 BRCMF_OBSS_COEX_AUTO);
5696 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5699 err = brcmf_p2p_attach(cfg);
5701 brcmf_err("P2P initilisation failed (%d)\n", err);
5702 goto wiphy_unreg_out;
5704 err = brcmf_btcoex_attach(cfg);
5706 brcmf_err("BT-coex initialisation failed (%d)\n", err);
5707 brcmf_p2p_detach(&cfg->p2p);
5708 goto wiphy_unreg_out;
5711 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
5713 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
5714 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
5716 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
5717 brcmf_notify_tdls_peer_event);
5723 wiphy_unregister(cfg->wiphy);
5725 wl_deinit_priv(cfg);
5726 brcmf_free_vif(vif);
5728 brcmf_free_wiphy(wiphy);
5732 void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
5737 WARN_ON(!list_empty(&cfg->vif_list));
5738 wiphy_unregister(cfg->wiphy);
5739 brcmf_btcoex_detach(cfg);
5740 brcmf_p2p_detach(&cfg->p2p);
5741 wl_deinit_priv(cfg);
5742 brcmf_free_wiphy(cfg->wiphy);