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"
42 #define BRCMF_SCAN_IE_LEN_MAX 2048
43 #define BRCMF_PNO_VERSION 2
44 #define BRCMF_PNO_TIME 30
45 #define BRCMF_PNO_REPEAT 4
46 #define BRCMF_PNO_FREQ_EXPO_MAX 3
47 #define BRCMF_PNO_MAX_PFN_COUNT 16
48 #define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
49 #define BRCMF_PNO_HIDDEN_BIT 2
50 #define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
51 #define BRCMF_PNO_SCAN_COMPLETE 1
52 #define BRCMF_PNO_SCAN_INCOMPLETE 0
54 #define BRCMF_IFACE_MAX_CNT 3
56 #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
57 #define WPA_OUI_TYPE 1
58 #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
59 #define WME_OUI_TYPE 2
60 #define WPS_OUI_TYPE 4
62 #define VS_IE_FIXED_HDR_LEN 6
63 #define WPA_IE_VERSION_LEN 2
64 #define WPA_IE_MIN_OUI_LEN 4
65 #define WPA_IE_SUITE_COUNT_LEN 2
67 #define WPA_CIPHER_NONE 0 /* None */
68 #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
69 #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
70 #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
71 #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
73 #define RSN_AKM_NONE 0 /* None (IBSS) */
74 #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
75 #define RSN_AKM_PSK 2 /* Pre-shared Key */
76 #define RSN_CAP_LEN 2 /* Length of RSN capabilities */
77 #define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
79 #define VNDR_IE_CMD_LEN 4 /* length of the set command
80 * string :"add", "del" (+ NUL)
82 #define VNDR_IE_COUNT_OFFSET 4
83 #define VNDR_IE_PKTFLAG_OFFSET 8
84 #define VNDR_IE_VSIE_OFFSET 12
85 #define VNDR_IE_HDR_SIZE 12
86 #define VNDR_IE_PARSE_LIMIT 5
88 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
89 #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
91 #define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
92 #define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
93 #define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
95 #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
96 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
98 static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
100 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
101 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
108 #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
109 #define RATETAB_ENT(_rateid, _flags) \
111 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
112 .hw_value = (_rateid), \
116 static struct ieee80211_rate __wl_rates[] = {
117 RATETAB_ENT(BRCM_RATE_1M, 0),
118 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
119 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
120 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
121 RATETAB_ENT(BRCM_RATE_6M, 0),
122 RATETAB_ENT(BRCM_RATE_9M, 0),
123 RATETAB_ENT(BRCM_RATE_12M, 0),
124 RATETAB_ENT(BRCM_RATE_18M, 0),
125 RATETAB_ENT(BRCM_RATE_24M, 0),
126 RATETAB_ENT(BRCM_RATE_36M, 0),
127 RATETAB_ENT(BRCM_RATE_48M, 0),
128 RATETAB_ENT(BRCM_RATE_54M, 0),
131 #define wl_a_rates (__wl_rates + 4)
132 #define wl_a_rates_size 8
133 #define wl_g_rates (__wl_rates + 0)
134 #define wl_g_rates_size 12
136 /* Band templates duplicated per wiphy. The channel info
137 * is filled in after querying the device.
139 static const struct ieee80211_supported_band __wl_band_2ghz = {
140 .band = IEEE80211_BAND_2GHZ,
141 .bitrates = wl_g_rates,
142 .n_bitrates = wl_g_rates_size,
145 static const struct ieee80211_supported_band __wl_band_5ghz_a = {
146 .band = IEEE80211_BAND_5GHZ,
147 .bitrates = wl_a_rates,
148 .n_bitrates = wl_a_rates_size,
151 /* This is to override regulatory domains defined in cfg80211 module (reg.c)
152 * By default world regulatory domain defined in reg.c puts the flags
153 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
154 * With respect to these flags, wpa_supplicant doesn't * start p2p
155 * operations on 5GHz channels. All the changes in world regulatory
156 * domain are to be done here.
158 static const struct ieee80211_regdomain brcmf_regdom = {
162 /* IEEE 802.11b/g, channels 1..11 */
163 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
165 /* IEEE 802.11 channel 14 - Only JP enables
166 * this and for 802.11b only
168 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
169 /* IEEE 802.11a, channel 36..64 */
170 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
171 /* IEEE 802.11a, channel 100..165 */
172 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
175 static const u32 __wl_cipher_suites[] = {
176 WLAN_CIPHER_SUITE_WEP40,
177 WLAN_CIPHER_SUITE_WEP104,
178 WLAN_CIPHER_SUITE_TKIP,
179 WLAN_CIPHER_SUITE_CCMP,
180 WLAN_CIPHER_SUITE_AES_CMAC,
183 /* Vendor specific ie. id = 221, oui and type defines exact ie */
184 struct brcmf_vs_tlv {
191 struct parsed_vndr_ie_info {
193 u32 ie_len; /* total length including id & length field */
194 struct brcmf_vs_tlv vndrie;
197 struct parsed_vndr_ies {
199 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
202 static int brcmf_roamoff;
203 module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
204 MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
206 /* Quarter dBm units to mW
207 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
208 * Table is offset so the last entry is largest mW value that fits in
212 #define QDBM_OFFSET 153 /* Offset for first entry */
213 #define QDBM_TABLE_LEN 40 /* Table size */
215 /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
216 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
218 #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
220 /* Largest mW value that will round down to the last table entry,
221 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
222 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
223 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
225 #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
227 static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
228 /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
229 /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
230 /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
231 /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
232 /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
233 /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
236 static u16 brcmf_qdbm_to_mw(u8 qdbm)
239 int idx = qdbm - QDBM_OFFSET;
241 if (idx >= QDBM_TABLE_LEN)
242 /* clamp to max u16 mW value */
245 /* scale the qdBm index up to the range of the table 0-40
246 * where an offset of 40 qdBm equals a factor of 10 mW.
253 /* return the mW value scaled down to the correct factor of 10,
254 * adding in factor/2 to get proper rounding.
256 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
259 static u8 brcmf_mw_to_qdbm(u16 mw)
266 /* handle boundary case */
270 offset = QDBM_OFFSET;
272 /* move mw into the range of the table */
273 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
278 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
279 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
280 nqdBm_to_mW_map[qdbm]) / 2;
281 if (mw_uint < boundary)
290 static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
291 struct cfg80211_chan_def *ch)
293 struct brcmu_chan ch_inf;
296 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
297 ch->chan->center_freq, ch->center_freq1, ch->width);
298 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
299 primary_offset = ch->center_freq1 - ch->chan->center_freq;
301 case NL80211_CHAN_WIDTH_20:
302 case NL80211_CHAN_WIDTH_20_NOHT:
303 ch_inf.bw = BRCMU_CHAN_BW_20;
304 WARN_ON(primary_offset != 0);
306 case NL80211_CHAN_WIDTH_40:
307 ch_inf.bw = BRCMU_CHAN_BW_40;
308 if (primary_offset < 0)
309 ch_inf.sb = BRCMU_CHAN_SB_U;
311 ch_inf.sb = BRCMU_CHAN_SB_L;
313 case NL80211_CHAN_WIDTH_80:
314 ch_inf.bw = BRCMU_CHAN_BW_80;
315 if (primary_offset < 0) {
316 if (primary_offset < -CH_10MHZ_APART)
317 ch_inf.sb = BRCMU_CHAN_SB_UU;
319 ch_inf.sb = BRCMU_CHAN_SB_UL;
321 if (primary_offset > CH_10MHZ_APART)
322 ch_inf.sb = BRCMU_CHAN_SB_LL;
324 ch_inf.sb = BRCMU_CHAN_SB_LU;
327 case NL80211_CHAN_WIDTH_80P80:
328 case NL80211_CHAN_WIDTH_160:
329 case NL80211_CHAN_WIDTH_5:
330 case NL80211_CHAN_WIDTH_10:
334 switch (ch->chan->band) {
335 case IEEE80211_BAND_2GHZ:
336 ch_inf.band = BRCMU_CHAN_BAND_2G;
338 case IEEE80211_BAND_5GHZ:
339 ch_inf.band = BRCMU_CHAN_BAND_5G;
341 case IEEE80211_BAND_60GHZ:
345 d11inf->encchspec(&ch_inf);
347 return ch_inf.chspec;
350 u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
351 struct ieee80211_channel *ch)
353 struct brcmu_chan ch_inf;
355 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
356 ch_inf.bw = BRCMU_CHAN_BW_20;
357 d11inf->encchspec(&ch_inf);
359 return ch_inf.chspec;
362 /* Traverse a string of 1-byte tag/1-byte length/variable-length value
363 * triples, returning a pointer to the substring whose first element
366 const struct brcmf_tlv *
367 brcmf_parse_tlvs(const void *buf, int buflen, uint key)
369 const struct brcmf_tlv *elt = buf;
372 /* find tagged parameter */
373 while (totlen >= TLV_HDR_LEN) {
376 /* validate remaining totlen */
377 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
380 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
381 totlen -= (len + TLV_HDR_LEN);
387 /* Is any of the tlvs the expected entry? If
388 * not update the tlvs buffer pointer/length.
391 brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
392 const u8 *oui, u32 oui_len, u8 type)
394 /* If the contents match the OUI and the type */
395 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
396 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
397 type == ie[TLV_BODY_OFF + oui_len]) {
403 /* point to the next ie */
404 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
405 /* calculate the length of the rest of the buffer */
406 *tlvs_len -= (int)(ie - *tlvs);
407 /* update the pointer to the start of the buffer */
413 static struct brcmf_vs_tlv *
414 brcmf_find_wpaie(const u8 *parse, u32 len)
416 const struct brcmf_tlv *ie;
418 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
419 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
420 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
421 return (struct brcmf_vs_tlv *)ie;
426 static struct brcmf_vs_tlv *
427 brcmf_find_wpsie(const u8 *parse, u32 len)
429 const struct brcmf_tlv *ie;
431 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
432 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
433 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
434 return (struct brcmf_vs_tlv *)ie;
440 static void convert_key_from_CPU(struct brcmf_wsec_key *key,
441 struct brcmf_wsec_key_le *key_le)
443 key_le->index = cpu_to_le32(key->index);
444 key_le->len = cpu_to_le32(key->len);
445 key_le->algo = cpu_to_le32(key->algo);
446 key_le->flags = cpu_to_le32(key->flags);
447 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
448 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
449 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
450 memcpy(key_le->data, key->data, sizeof(key->data));
451 memcpy(key_le->ea, key->ea, sizeof(key->ea));
455 send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key)
458 struct brcmf_wsec_key_le key_le;
460 convert_key_from_CPU(key, &key_le);
462 brcmf_netdev_wait_pend8021x(ndev);
464 err = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "wsec_key", &key_le,
468 brcmf_err("wsec_key error (%d)\n", err);
473 brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
479 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
483 /* Try to set and enable ARP offload feature, this may fail, then it */
484 /* is simply not supported and err 0 will be returned */
485 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
487 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
491 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
493 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
497 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
505 brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
507 struct brcmf_cfg80211_vif *vif;
508 struct brcmf_if *ifp;
510 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
513 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
514 (wdev->iftype == NL80211_IFTYPE_AP) ||
515 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
516 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
519 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
523 static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
525 enum nl80211_iftype iftype;
527 iftype = vif->wdev.iftype;
528 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
531 static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
533 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
536 static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
538 enum nl80211_iftype type,
540 struct vif_params *params)
542 struct wireless_dev *wdev;
544 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
546 case NL80211_IFTYPE_ADHOC:
547 case NL80211_IFTYPE_STATION:
548 case NL80211_IFTYPE_AP:
549 case NL80211_IFTYPE_AP_VLAN:
550 case NL80211_IFTYPE_WDS:
551 case NL80211_IFTYPE_MONITOR:
552 case NL80211_IFTYPE_MESH_POINT:
553 return ERR_PTR(-EOPNOTSUPP);
554 case NL80211_IFTYPE_P2P_CLIENT:
555 case NL80211_IFTYPE_P2P_GO:
556 case NL80211_IFTYPE_P2P_DEVICE:
557 wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params);
559 brcmf_cfg80211_update_proto_addr_mode(wdev);
561 case NL80211_IFTYPE_UNSPECIFIED:
563 return ERR_PTR(-EINVAL);
567 static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
569 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
570 brcmf_set_mpc(ifp, mpc);
573 void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
577 if (check_vif_up(ifp->vif)) {
578 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
580 brcmf_err("fail to set mpc\n");
583 brcmf_dbg(INFO, "MPC : %d\n", mpc);
587 s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
588 struct brcmf_if *ifp, bool aborted,
591 struct brcmf_scan_params_le params_le;
592 struct cfg80211_scan_request *scan_request;
595 brcmf_dbg(SCAN, "Enter\n");
597 /* clear scan request, because the FW abort can cause a second call */
598 /* to this functon and might cause a double cfg80211_scan_done */
599 scan_request = cfg->scan_request;
600 cfg->scan_request = NULL;
602 if (timer_pending(&cfg->escan_timeout))
603 del_timer_sync(&cfg->escan_timeout);
606 /* Do a scan abort to stop the driver's scan engine */
607 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
608 memset(¶ms_le, 0, sizeof(params_le));
609 memset(params_le.bssid, 0xFF, ETH_ALEN);
610 params_le.bss_type = DOT11_BSSTYPE_ANY;
611 params_le.scan_type = 0;
612 params_le.channel_num = cpu_to_le32(1);
613 params_le.nprobes = cpu_to_le32(1);
614 params_le.active_time = cpu_to_le32(-1);
615 params_le.passive_time = cpu_to_le32(-1);
616 params_le.home_time = cpu_to_le32(-1);
617 /* Scan is aborted by setting channel_list[0] to -1 */
618 params_le.channel_list[0] = cpu_to_le16(-1);
619 /* E-Scan (or anyother type) can be aborted by SCAN */
620 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
621 ¶ms_le, sizeof(params_le));
623 brcmf_err("Scan abort failed\n");
626 brcmf_scan_config_mpc(ifp, 1);
629 * e-scan can be initiated by scheduled scan
630 * which takes precedence.
632 if (cfg->sched_escan) {
633 brcmf_dbg(SCAN, "scheduled scan completed\n");
634 cfg->sched_escan = false;
636 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
637 } else if (scan_request) {
638 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
639 aborted ? "Aborted" : "Done");
640 cfg80211_scan_done(scan_request, aborted);
642 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
643 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
649 int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
651 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
652 struct net_device *ndev = wdev->netdev;
654 /* vif event pending in firmware */
655 if (brcmf_cfg80211_vif_event_armed(cfg))
659 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
660 cfg->escan_info.ifp == netdev_priv(ndev))
661 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
664 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
667 switch (wdev->iftype) {
668 case NL80211_IFTYPE_ADHOC:
669 case NL80211_IFTYPE_STATION:
670 case NL80211_IFTYPE_AP:
671 case NL80211_IFTYPE_AP_VLAN:
672 case NL80211_IFTYPE_WDS:
673 case NL80211_IFTYPE_MONITOR:
674 case NL80211_IFTYPE_MESH_POINT:
676 case NL80211_IFTYPE_P2P_CLIENT:
677 case NL80211_IFTYPE_P2P_GO:
678 case NL80211_IFTYPE_P2P_DEVICE:
679 return brcmf_p2p_del_vif(wiphy, wdev);
680 case NL80211_IFTYPE_UNSPECIFIED:
688 brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
689 enum nl80211_iftype type, u32 *flags,
690 struct vif_params *params)
692 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
693 struct brcmf_if *ifp = netdev_priv(ndev);
694 struct brcmf_cfg80211_vif *vif = ifp->vif;
699 brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
702 case NL80211_IFTYPE_MONITOR:
703 case NL80211_IFTYPE_WDS:
704 brcmf_err("type (%d) : currently we do not support this type\n",
707 case NL80211_IFTYPE_ADHOC:
710 case NL80211_IFTYPE_STATION:
711 /* Ignore change for p2p IF. Unclear why supplicant does this */
712 if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
713 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
714 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
715 /* WAR: It is unexpected to get a change of VIF for P2P
716 * IF, but it happens. The request can not be handled
717 * but returning EPERM causes a crash. Returning 0
718 * without setting ieee80211_ptr->iftype causes trace
719 * (WARN_ON) but it works with wpa_supplicant
725 case NL80211_IFTYPE_AP:
726 case NL80211_IFTYPE_P2P_GO:
735 if (type == NL80211_IFTYPE_P2P_GO) {
736 brcmf_dbg(INFO, "IF Type = P2P GO\n");
737 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
740 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
741 brcmf_dbg(INFO, "IF Type = AP\n");
744 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
746 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
750 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
753 ndev->ieee80211_ptr->iftype = type;
755 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
758 brcmf_dbg(TRACE, "Exit\n");
763 static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
764 struct brcmf_scan_params_le *params_le,
765 struct cfg80211_scan_request *request)
773 struct brcmf_ssid_le ssid_le;
775 memset(params_le->bssid, 0xFF, ETH_ALEN);
776 params_le->bss_type = DOT11_BSSTYPE_ANY;
777 params_le->scan_type = 0;
778 params_le->channel_num = 0;
779 params_le->nprobes = cpu_to_le32(-1);
780 params_le->active_time = cpu_to_le32(-1);
781 params_le->passive_time = cpu_to_le32(-1);
782 params_le->home_time = cpu_to_le32(-1);
783 memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le));
785 /* if request is null exit so it will be all channel broadcast scan */
789 n_ssids = request->n_ssids;
790 n_channels = request->n_channels;
791 /* Copy channel array if applicable */
792 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
794 if (n_channels > 0) {
795 for (i = 0; i < n_channels; i++) {
796 chanspec = channel_to_chanspec(&cfg->d11inf,
797 request->channels[i]);
798 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
799 request->channels[i]->hw_value, chanspec);
800 params_le->channel_list[i] = cpu_to_le16(chanspec);
803 brcmf_dbg(SCAN, "Scanning all channels\n");
805 /* Copy ssid array if applicable */
806 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
808 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
809 n_channels * sizeof(u16);
810 offset = roundup(offset, sizeof(u32));
811 ptr = (char *)params_le + offset;
812 for (i = 0; i < n_ssids; i++) {
813 memset(&ssid_le, 0, sizeof(ssid_le));
815 cpu_to_le32(request->ssids[i].ssid_len);
816 memcpy(ssid_le.SSID, request->ssids[i].ssid,
817 request->ssids[i].ssid_len);
818 if (!ssid_le.SSID_len)
819 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
821 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
822 i, ssid_le.SSID, ssid_le.SSID_len);
823 memcpy(ptr, &ssid_le, sizeof(ssid_le));
824 ptr += sizeof(ssid_le);
827 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
828 if ((request->ssids) && request->ssids->ssid_len) {
829 brcmf_dbg(SCAN, "SSID %s len=%d\n",
830 params_le->ssid_le.SSID,
831 request->ssids->ssid_len);
832 params_le->ssid_le.SSID_len =
833 cpu_to_le32(request->ssids->ssid_len);
834 memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid,
835 request->ssids->ssid_len);
838 /* Adding mask to channel numbers */
839 params_le->channel_num =
840 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
841 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
845 brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
846 struct cfg80211_scan_request *request, u16 action)
848 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
849 offsetof(struct brcmf_escan_params_le, params_le);
850 struct brcmf_escan_params_le *params;
853 brcmf_dbg(SCAN, "E-SCAN START\n");
855 if (request != NULL) {
856 /* Allocate space for populating ssids in struct */
857 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
859 /* Allocate space for populating ssids in struct */
860 params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
863 params = kzalloc(params_size, GFP_KERNEL);
868 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
869 brcmf_escan_prep(cfg, ¶ms->params_le, request);
870 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
871 params->action = cpu_to_le16(action);
872 params->sync_id = cpu_to_le16(0x1234);
874 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
877 brcmf_dbg(INFO, "system busy : escan canceled\n");
879 brcmf_err("error (%d)\n", err);
888 brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
889 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
893 struct brcmf_scan_results *results;
894 struct escan_info *escan = &cfg->escan_info;
896 brcmf_dbg(SCAN, "Enter\n");
898 escan->wiphy = wiphy;
899 escan->escan_state = WL_ESCAN_STATE_SCANNING;
900 passive_scan = cfg->active_scan ? 0 : 1;
901 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
904 brcmf_err("error (%d)\n", err);
907 brcmf_scan_config_mpc(ifp, 0);
908 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
909 results->version = 0;
911 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
913 err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
915 brcmf_scan_config_mpc(ifp, 1);
920 brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
921 struct cfg80211_scan_request *request,
922 struct cfg80211_ssid *this_ssid)
924 struct brcmf_if *ifp = vif->ifp;
925 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
926 struct cfg80211_ssid *ssids;
927 struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
934 brcmf_dbg(SCAN, "START ESCAN\n");
936 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
937 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
940 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
941 brcmf_err("Scanning being aborted: status (%lu)\n",
945 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
946 brcmf_err("Scanning suppressed: status (%lu)\n",
950 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
951 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
955 /* If scan req comes for p2p0, send it over primary I/F */
956 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
957 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
959 /* Arm scan timeout timer */
960 mod_timer(&cfg->escan_timeout, jiffies +
961 WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
966 ssids = request->ssids;
970 /* we don't do escan in ibss */
974 cfg->scan_request = request;
975 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
977 cfg->escan_info.run = brcmf_run_escan;
978 err = brcmf_p2p_scan_prep(wiphy, request, vif);
982 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
986 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
987 ssids->ssid, ssids->ssid_len);
988 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
989 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
990 sr->ssid_le.SSID_len = cpu_to_le32(0);
993 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
994 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
997 brcmf_dbg(SCAN, "Broadcast scan\n");
999 passive_scan = cfg->active_scan ? 0 : 1;
1000 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
1003 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
1006 brcmf_scan_config_mpc(ifp, 0);
1007 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
1008 &sr->ssid_le, sizeof(sr->ssid_le));
1011 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
1014 brcmf_err("WLC_SCAN error (%d)\n", err);
1016 brcmf_scan_config_mpc(ifp, 1);
1024 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
1025 if (timer_pending(&cfg->escan_timeout))
1026 del_timer_sync(&cfg->escan_timeout);
1027 cfg->scan_request = NULL;
1032 brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
1034 struct brcmf_cfg80211_vif *vif;
1037 brcmf_dbg(TRACE, "Enter\n");
1038 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1039 if (!check_vif_up(vif))
1042 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
1045 brcmf_err("scan error (%d)\n", err);
1047 brcmf_dbg(TRACE, "Exit\n");
1051 static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1055 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1058 brcmf_err("Error (%d)\n", err);
1063 static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1067 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1070 brcmf_err("Error (%d)\n", err);
1075 static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1078 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
1080 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
1082 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
1088 static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1090 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1091 struct net_device *ndev = cfg_to_ndev(cfg);
1092 struct brcmf_if *ifp = netdev_priv(ndev);
1095 brcmf_dbg(TRACE, "Enter\n");
1096 if (!check_vif_up(ifp->vif))
1099 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
1100 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1101 cfg->conf->rts_threshold = wiphy->rts_threshold;
1102 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
1106 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
1107 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1108 cfg->conf->frag_threshold = wiphy->frag_threshold;
1109 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
1113 if (changed & WIPHY_PARAM_RETRY_LONG
1114 && (cfg->conf->retry_long != wiphy->retry_long)) {
1115 cfg->conf->retry_long = wiphy->retry_long;
1116 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
1120 if (changed & WIPHY_PARAM_RETRY_SHORT
1121 && (cfg->conf->retry_short != wiphy->retry_short)) {
1122 cfg->conf->retry_short = wiphy->retry_short;
1123 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
1129 brcmf_dbg(TRACE, "Exit\n");
1133 static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1135 memset(prof, 0, sizeof(*prof));
1138 static void brcmf_link_down(struct brcmf_cfg80211_vif *vif)
1140 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
1143 brcmf_dbg(TRACE, "Enter\n");
1145 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
1146 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
1147 err = brcmf_fil_cmd_data_set(vif->ifp,
1148 BRCMF_C_DISASSOC, NULL, 0);
1150 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
1152 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
1153 cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL);
1156 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
1157 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1158 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
1159 brcmf_dbg(TRACE, "Exit\n");
1163 brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1164 struct cfg80211_ibss_params *params)
1166 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1167 struct brcmf_if *ifp = netdev_priv(ndev);
1168 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1169 struct brcmf_join_params join_params;
1170 size_t join_params_size = 0;
1176 brcmf_dbg(TRACE, "Enter\n");
1177 if (!check_vif_up(ifp->vif))
1181 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
1183 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
1187 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1190 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
1192 brcmf_dbg(CONN, "No BSSID specified\n");
1194 if (params->chandef.chan)
1195 brcmf_dbg(CONN, "channel: %d\n",
1196 params->chandef.chan->center_freq);
1198 brcmf_dbg(CONN, "no channel specified\n");
1200 if (params->channel_fixed)
1201 brcmf_dbg(CONN, "fixed channel required\n");
1203 brcmf_dbg(CONN, "no fixed channel required\n");
1205 if (params->ie && params->ie_len)
1206 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
1208 brcmf_dbg(CONN, "no ie specified\n");
1210 if (params->beacon_interval)
1211 brcmf_dbg(CONN, "beacon interval: %d\n",
1212 params->beacon_interval);
1214 brcmf_dbg(CONN, "no beacon interval specified\n");
1216 if (params->basic_rates)
1217 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
1219 brcmf_dbg(CONN, "no basic rates specified\n");
1221 if (params->privacy)
1222 brcmf_dbg(CONN, "privacy required\n");
1224 brcmf_dbg(CONN, "no privacy required\n");
1226 /* Configure Privacy for starter */
1227 if (params->privacy)
1228 wsec |= WEP_ENABLED;
1230 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
1232 brcmf_err("wsec failed (%d)\n", err);
1236 /* Configure Beacon Interval for starter */
1237 if (params->beacon_interval)
1238 bcnprd = params->beacon_interval;
1242 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
1244 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
1248 /* Configure required join parameter */
1249 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1252 profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
1253 memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
1254 memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
1255 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1256 join_params_size = sizeof(join_params.ssid_le);
1259 if (params->bssid) {
1260 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1261 join_params_size = sizeof(join_params.ssid_le) +
1262 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
1263 memcpy(profile->bssid, params->bssid, ETH_ALEN);
1265 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
1266 memset(profile->bssid, 0, ETH_ALEN);
1270 if (params->chandef.chan) {
1274 ieee80211_frequency_to_channel(
1275 params->chandef.chan->center_freq);
1276 if (params->channel_fixed) {
1277 /* adding chanspec */
1278 chanspec = chandef_to_chanspec(&cfg->d11inf,
1280 join_params.params_le.chanspec_list[0] =
1281 cpu_to_le16(chanspec);
1282 join_params.params_le.chanspec_num = cpu_to_le32(1);
1283 join_params_size += sizeof(join_params.params_le);
1286 /* set channel for starter */
1287 target_channel = cfg->channel;
1288 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
1291 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
1297 cfg->ibss_starter = false;
1300 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
1301 &join_params, join_params_size);
1303 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
1309 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1310 brcmf_dbg(TRACE, "Exit\n");
1315 brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1317 struct brcmf_if *ifp = netdev_priv(ndev);
1319 brcmf_dbg(TRACE, "Enter\n");
1320 if (!check_vif_up(ifp->vif))
1323 brcmf_link_down(ifp->vif);
1325 brcmf_dbg(TRACE, "Exit\n");
1330 static s32 brcmf_set_wpa_version(struct net_device *ndev,
1331 struct cfg80211_connect_params *sme)
1333 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1334 struct brcmf_cfg80211_security *sec;
1338 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1339 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1340 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1341 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1343 val = WPA_AUTH_DISABLED;
1344 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
1345 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
1347 brcmf_err("set wpa_auth failed (%d)\n", err);
1350 sec = &profile->sec;
1351 sec->wpa_versions = sme->crypto.wpa_versions;
1355 static s32 brcmf_set_auth_type(struct net_device *ndev,
1356 struct cfg80211_connect_params *sme)
1358 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1359 struct brcmf_cfg80211_security *sec;
1363 switch (sme->auth_type) {
1364 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1366 brcmf_dbg(CONN, "open system\n");
1368 case NL80211_AUTHTYPE_SHARED_KEY:
1370 brcmf_dbg(CONN, "shared key\n");
1372 case NL80211_AUTHTYPE_AUTOMATIC:
1374 brcmf_dbg(CONN, "automatic\n");
1376 case NL80211_AUTHTYPE_NETWORK_EAP:
1377 brcmf_dbg(CONN, "network eap\n");
1380 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
1384 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1386 brcmf_err("set auth failed (%d)\n", err);
1389 sec = &profile->sec;
1390 sec->auth_type = sme->auth_type;
1395 brcmf_set_wsec_mode(struct net_device *ndev,
1396 struct cfg80211_connect_params *sme, bool mfp)
1398 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1399 struct brcmf_cfg80211_security *sec;
1405 if (sme->crypto.n_ciphers_pairwise) {
1406 switch (sme->crypto.ciphers_pairwise[0]) {
1407 case WLAN_CIPHER_SUITE_WEP40:
1408 case WLAN_CIPHER_SUITE_WEP104:
1411 case WLAN_CIPHER_SUITE_TKIP:
1412 pval = TKIP_ENABLED;
1414 case WLAN_CIPHER_SUITE_CCMP:
1417 case WLAN_CIPHER_SUITE_AES_CMAC:
1421 brcmf_err("invalid cipher pairwise (%d)\n",
1422 sme->crypto.ciphers_pairwise[0]);
1426 if (sme->crypto.cipher_group) {
1427 switch (sme->crypto.cipher_group) {
1428 case WLAN_CIPHER_SUITE_WEP40:
1429 case WLAN_CIPHER_SUITE_WEP104:
1432 case WLAN_CIPHER_SUITE_TKIP:
1433 gval = TKIP_ENABLED;
1435 case WLAN_CIPHER_SUITE_CCMP:
1438 case WLAN_CIPHER_SUITE_AES_CMAC:
1442 brcmf_err("invalid cipher group (%d)\n",
1443 sme->crypto.cipher_group);
1448 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
1449 /* In case of privacy, but no security and WPS then simulate */
1450 /* setting AES. WPS-2.0 allows no security */
1451 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1456 wsec = pval | gval | MFP_CAPABLE;
1459 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
1461 brcmf_err("error (%d)\n", err);
1465 sec = &profile->sec;
1466 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1467 sec->cipher_group = sme->crypto.cipher_group;
1473 brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1475 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1476 struct brcmf_cfg80211_security *sec;
1480 if (sme->crypto.n_akm_suites) {
1481 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
1484 brcmf_err("could not get wpa_auth (%d)\n", err);
1487 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1488 switch (sme->crypto.akm_suites[0]) {
1489 case WLAN_AKM_SUITE_8021X:
1490 val = WPA_AUTH_UNSPECIFIED;
1492 case WLAN_AKM_SUITE_PSK:
1496 brcmf_err("invalid cipher group (%d)\n",
1497 sme->crypto.cipher_group);
1500 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1501 switch (sme->crypto.akm_suites[0]) {
1502 case WLAN_AKM_SUITE_8021X:
1503 val = WPA2_AUTH_UNSPECIFIED;
1505 case WLAN_AKM_SUITE_PSK:
1506 val = WPA2_AUTH_PSK;
1509 brcmf_err("invalid cipher group (%d)\n",
1510 sme->crypto.cipher_group);
1515 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
1516 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
1519 brcmf_err("could not set wpa_auth (%d)\n", err);
1523 sec = &profile->sec;
1524 sec->wpa_auth = sme->crypto.akm_suites[0];
1530 brcmf_set_sharedkey(struct net_device *ndev,
1531 struct cfg80211_connect_params *sme)
1533 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1534 struct brcmf_cfg80211_security *sec;
1535 struct brcmf_wsec_key key;
1539 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
1541 if (sme->key_len == 0)
1544 sec = &profile->sec;
1545 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1546 sec->wpa_versions, sec->cipher_pairwise);
1548 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1551 if (!(sec->cipher_pairwise &
1552 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1555 memset(&key, 0, sizeof(key));
1556 key.len = (u32) sme->key_len;
1557 key.index = (u32) sme->key_idx;
1558 if (key.len > sizeof(key.data)) {
1559 brcmf_err("Too long key length (%u)\n", key.len);
1562 memcpy(key.data, sme->key, key.len);
1563 key.flags = BRCMF_PRIMARY_KEY;
1564 switch (sec->cipher_pairwise) {
1565 case WLAN_CIPHER_SUITE_WEP40:
1566 key.algo = CRYPTO_ALGO_WEP1;
1568 case WLAN_CIPHER_SUITE_WEP104:
1569 key.algo = CRYPTO_ALGO_WEP128;
1572 brcmf_err("Invalid algorithm (%d)\n",
1573 sme->crypto.ciphers_pairwise[0]);
1576 /* Set the new key/index */
1577 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1578 key.len, key.index, key.algo);
1579 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
1580 err = send_key_to_dongle(ndev, &key);
1584 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
1585 brcmf_dbg(CONN, "set auth_type to shared key\n");
1586 val = WL_AUTH_SHARED_KEY; /* shared key */
1587 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1589 brcmf_err("set auth failed (%d)\n", err);
1595 enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1596 enum nl80211_auth_type type)
1598 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1599 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1600 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1601 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1607 brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
1608 struct cfg80211_connect_params *sme)
1610 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1611 struct brcmf_if *ifp = netdev_priv(ndev);
1612 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1613 struct ieee80211_channel *chan = sme->channel;
1614 struct brcmf_join_params join_params;
1615 size_t join_params_size;
1616 const struct brcmf_tlv *rsn_ie;
1617 const struct brcmf_vs_tlv *wpa_ie;
1620 struct brcmf_ext_join_params_le *ext_join_params;
1624 brcmf_dbg(TRACE, "Enter\n");
1625 if (!check_vif_up(ifp->vif))
1629 brcmf_err("Invalid ssid\n");
1633 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1634 /* A normal (non P2P) connection request setup. */
1637 /* find the WPA_IE */
1638 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1641 ie_len = wpa_ie->len + TLV_HDR_LEN;
1643 /* find the RSN_IE */
1644 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1649 ie_len = rsn_ie->len + TLV_HDR_LEN;
1652 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1655 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1656 sme->ie, sme->ie_len);
1658 brcmf_err("Set Assoc REQ IE Failed\n");
1660 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1662 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1666 ieee80211_frequency_to_channel(chan->center_freq);
1667 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1668 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1669 cfg->channel, chan->center_freq, chanspec);
1675 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
1677 err = brcmf_set_wpa_version(ndev, sme);
1679 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
1683 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
1684 err = brcmf_set_auth_type(ndev, sme);
1686 brcmf_err("wl_set_auth_type failed (%d)\n", err);
1690 err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
1692 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
1696 err = brcmf_set_key_mgmt(ndev, sme);
1698 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
1702 err = brcmf_set_sharedkey(ndev, sme);
1704 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
1708 profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
1709 (u32)sme->ssid_len);
1710 memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
1711 if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
1712 profile->ssid.SSID[profile->ssid.SSID_len] = 0;
1713 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
1714 profile->ssid.SSID_len);
1717 /* Join with specific BSSID and cached SSID
1718 * If SSID is zero join based on BSSID only
1720 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1721 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1723 join_params_size += sizeof(u16);
1724 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1725 if (ext_join_params == NULL) {
1729 ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1730 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
1731 profile->ssid.SSID_len);
1733 /* Set up join scan parameters */
1734 ext_join_params->scan_le.scan_type = -1;
1735 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1738 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1740 memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN);
1743 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1745 ext_join_params->assoc_le.chanspec_list[0] =
1746 cpu_to_le16(chanspec);
1747 /* Increase dwell time to receive probe response or detect
1748 * beacon from target AP at a noisy air only during connect
1751 ext_join_params->scan_le.active_time =
1752 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1753 ext_join_params->scan_le.passive_time =
1754 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1755 /* To sync with presence period of VSDB GO send probe request
1756 * more frequently. Probe request will be stopped when it gets
1757 * probe response from target AP/GO.
1759 ext_join_params->scan_le.nprobes =
1760 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
1761 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
1763 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
1764 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
1765 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
1768 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
1770 kfree(ext_join_params);
1772 /* This is it. join command worked, we are done */
1775 /* join command failed, fallback to set ssid */
1776 memset(&join_params, 0, sizeof(join_params));
1777 join_params_size = sizeof(join_params.ssid_le);
1779 memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
1780 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1783 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
1785 memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
1788 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
1789 join_params.params_le.chanspec_num = cpu_to_le32(1);
1790 join_params_size += sizeof(join_params.params_le);
1792 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
1793 &join_params, join_params_size);
1795 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
1799 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1800 brcmf_dbg(TRACE, "Exit\n");
1805 brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1808 struct brcmf_if *ifp = netdev_priv(ndev);
1809 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1810 struct brcmf_scb_val_le scbval;
1813 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
1814 if (!check_vif_up(ifp->vif))
1817 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
1818 cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
1820 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
1821 scbval.val = cpu_to_le32(reason_code);
1822 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
1823 &scbval, sizeof(scbval));
1825 brcmf_err("error (%d)\n", err);
1827 brcmf_dbg(TRACE, "Exit\n");
1832 brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1833 enum nl80211_tx_power_setting type, s32 mbm)
1836 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1837 struct net_device *ndev = cfg_to_ndev(cfg);
1838 struct brcmf_if *ifp = netdev_priv(ndev);
1842 s32 dbm = MBM_TO_DBM(mbm);
1844 brcmf_dbg(TRACE, "Enter\n");
1845 if (!check_vif_up(ifp->vif))
1849 case NL80211_TX_POWER_AUTOMATIC:
1851 case NL80211_TX_POWER_LIMITED:
1852 case NL80211_TX_POWER_FIXED:
1854 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
1860 /* Make sure radio is off or on as far as software is concerned */
1861 disable = WL_RADIO_SW_DISABLE << 16;
1862 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
1864 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
1869 txpwrmw = (u16) dbm;
1870 err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
1871 (s32)brcmf_mw_to_qdbm(txpwrmw));
1873 brcmf_err("qtxpower error (%d)\n", err);
1874 cfg->conf->tx_power = dbm;
1877 brcmf_dbg(TRACE, "Exit\n");
1881 static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
1882 struct wireless_dev *wdev,
1885 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1886 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
1891 brcmf_dbg(TRACE, "Enter\n");
1892 if (!check_vif_up(ifp->vif))
1895 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
1897 brcmf_err("error (%d)\n", err);
1901 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
1902 *dbm = (s32) brcmf_qdbm_to_mw(result);
1905 brcmf_dbg(TRACE, "Exit\n");
1910 brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
1911 u8 key_idx, bool unicast, bool multicast)
1913 struct brcmf_if *ifp = netdev_priv(ndev);
1918 brcmf_dbg(TRACE, "Enter\n");
1919 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
1920 if (!check_vif_up(ifp->vif))
1923 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
1925 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
1929 if (wsec & WEP_ENABLED) {
1930 /* Just select a new current key */
1932 err = brcmf_fil_cmd_int_set(ifp,
1933 BRCMF_C_SET_KEY_PRIMARY, index);
1935 brcmf_err("error (%d)\n", err);
1938 brcmf_dbg(TRACE, "Exit\n");
1943 brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
1944 u8 key_idx, const u8 *mac_addr, struct key_params *params)
1946 struct brcmf_if *ifp = netdev_priv(ndev);
1947 struct brcmf_wsec_key key;
1951 memset(&key, 0, sizeof(key));
1952 key.index = (u32) key_idx;
1953 /* Instead of bcast for ea address for default wep keys,
1954 driver needs it to be Null */
1955 if (!is_multicast_ether_addr(mac_addr))
1956 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
1957 key.len = (u32) params->key_len;
1958 /* check for key index change */
1961 err = send_key_to_dongle(ndev, &key);
1963 brcmf_err("key delete error (%d)\n", err);
1965 if (key.len > sizeof(key.data)) {
1966 brcmf_err("Invalid key length (%d)\n", key.len);
1970 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
1971 memcpy(key.data, params->key, key.len);
1973 if (!brcmf_is_apmode(ifp->vif) &&
1974 (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
1975 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
1976 memcpy(keybuf, &key.data[24], sizeof(keybuf));
1977 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
1978 memcpy(&key.data[16], keybuf, sizeof(keybuf));
1981 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
1982 if (params->seq && params->seq_len == 6) {
1985 ivptr = (u8 *) params->seq;
1986 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
1987 (ivptr[3] << 8) | ivptr[2];
1988 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
1989 key.iv_initialized = true;
1992 switch (params->cipher) {
1993 case WLAN_CIPHER_SUITE_WEP40:
1994 key.algo = CRYPTO_ALGO_WEP1;
1995 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
1997 case WLAN_CIPHER_SUITE_WEP104:
1998 key.algo = CRYPTO_ALGO_WEP128;
1999 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2001 case WLAN_CIPHER_SUITE_TKIP:
2002 key.algo = CRYPTO_ALGO_TKIP;
2003 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2005 case WLAN_CIPHER_SUITE_AES_CMAC:
2006 key.algo = CRYPTO_ALGO_AES_CCM;
2007 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2009 case WLAN_CIPHER_SUITE_CCMP:
2010 key.algo = CRYPTO_ALGO_AES_CCM;
2011 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
2014 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
2017 err = send_key_to_dongle(ndev, &key);
2019 brcmf_err("wsec_key error (%d)\n", err);
2025 brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2026 u8 key_idx, bool pairwise, const u8 *mac_addr,
2027 struct key_params *params)
2029 struct brcmf_if *ifp = netdev_priv(ndev);
2030 struct brcmf_wsec_key key;
2036 brcmf_dbg(TRACE, "Enter\n");
2037 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2038 if (!check_vif_up(ifp->vif))
2042 (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2043 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
2044 brcmf_dbg(TRACE, "Exit");
2045 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
2047 memset(&key, 0, sizeof(key));
2049 key.len = (u32) params->key_len;
2050 key.index = (u32) key_idx;
2052 if (key.len > sizeof(key.data)) {
2053 brcmf_err("Too long key length (%u)\n", key.len);
2057 memcpy(key.data, params->key, key.len);
2059 key.flags = BRCMF_PRIMARY_KEY;
2060 switch (params->cipher) {
2061 case WLAN_CIPHER_SUITE_WEP40:
2062 key.algo = CRYPTO_ALGO_WEP1;
2064 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2066 case WLAN_CIPHER_SUITE_WEP104:
2067 key.algo = CRYPTO_ALGO_WEP128;
2069 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2071 case WLAN_CIPHER_SUITE_TKIP:
2072 if (!brcmf_is_apmode(ifp->vif)) {
2073 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
2074 memcpy(keybuf, &key.data[24], sizeof(keybuf));
2075 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
2076 memcpy(&key.data[16], keybuf, sizeof(keybuf));
2078 key.algo = CRYPTO_ALGO_TKIP;
2080 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2082 case WLAN_CIPHER_SUITE_AES_CMAC:
2083 key.algo = CRYPTO_ALGO_AES_CCM;
2085 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2087 case WLAN_CIPHER_SUITE_CCMP:
2088 key.algo = CRYPTO_ALGO_AES_CCM;
2090 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
2093 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
2098 err = send_key_to_dongle(ndev, &key);
2102 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2104 brcmf_err("get wsec error (%d)\n", err);
2108 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2110 brcmf_err("set wsec error (%d)\n", err);
2115 brcmf_dbg(TRACE, "Exit\n");
2120 brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2121 u8 key_idx, bool pairwise, const u8 *mac_addr)
2123 struct brcmf_if *ifp = netdev_priv(ndev);
2124 struct brcmf_wsec_key key;
2127 brcmf_dbg(TRACE, "Enter\n");
2128 if (!check_vif_up(ifp->vif))
2131 if (key_idx >= DOT11_MAX_DEFAULT_KEYS) {
2132 /* we ignore this key index in this case */
2133 brcmf_err("invalid key index (%d)\n", key_idx);
2137 memset(&key, 0, sizeof(key));
2139 key.index = (u32) key_idx;
2140 key.flags = BRCMF_PRIMARY_KEY;
2141 key.algo = CRYPTO_ALGO_OFF;
2143 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2145 /* Set the new key/index */
2146 err = send_key_to_dongle(ndev, &key);
2148 brcmf_dbg(TRACE, "Exit\n");
2153 brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
2154 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
2155 void (*callback) (void *cookie, struct key_params * params))
2157 struct key_params params;
2158 struct brcmf_if *ifp = netdev_priv(ndev);
2159 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2160 struct brcmf_cfg80211_security *sec;
2164 brcmf_dbg(TRACE, "Enter\n");
2165 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2166 if (!check_vif_up(ifp->vif))
2169 memset(¶ms, 0, sizeof(params));
2171 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2173 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
2174 /* Ignore this error, may happen during DISASSOC */
2178 if (wsec & WEP_ENABLED) {
2179 sec = &profile->sec;
2180 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2181 params.cipher = WLAN_CIPHER_SUITE_WEP40;
2182 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2183 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2184 params.cipher = WLAN_CIPHER_SUITE_WEP104;
2185 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2187 } else if (wsec & TKIP_ENABLED) {
2188 params.cipher = WLAN_CIPHER_SUITE_TKIP;
2189 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2190 } else if (wsec & AES_ENABLED) {
2191 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
2192 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2194 brcmf_err("Invalid algo (0x%x)\n", wsec);
2198 callback(cookie, ¶ms);
2201 brcmf_dbg(TRACE, "Exit\n");
2206 brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2207 struct net_device *ndev, u8 key_idx)
2209 brcmf_dbg(INFO, "Not supported\n");
2215 brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
2216 const u8 *mac, struct station_info *sinfo)
2218 struct brcmf_if *ifp = netdev_priv(ndev);
2219 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2220 struct brcmf_scb_val_le scb_val;
2224 u8 *bssid = profile->bssid;
2225 struct brcmf_sta_info_le sta_info_le;
2229 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
2230 if (!check_vif_up(ifp->vif))
2233 if (brcmf_is_apmode(ifp->vif)) {
2234 memcpy(&sta_info_le, mac, ETH_ALEN);
2235 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
2237 sizeof(sta_info_le));
2239 brcmf_err("GET STA INFO failed, %d\n", err);
2242 sinfo->filled = STATION_INFO_INACTIVE_TIME;
2243 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2244 if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
2245 sinfo->filled |= STATION_INFO_CONNECTED_TIME;
2246 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
2248 brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
2249 sinfo->inactive_time, sinfo->connected_time);
2250 } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
2251 if (memcmp(mac, bssid, ETH_ALEN)) {
2252 brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
2257 /* Report the current tx rate */
2258 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
2260 brcmf_err("Could not get rate (%d)\n", err);
2263 sinfo->filled |= STATION_INFO_TX_BITRATE;
2264 sinfo->txrate.legacy = rate * 5;
2265 brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
2268 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2269 &ifp->vif->sme_state)) {
2270 memset(&scb_val, 0, sizeof(scb_val));
2271 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2272 &scb_val, sizeof(scb_val));
2274 brcmf_err("Could not get rssi (%d)\n", err);
2277 rssi = le32_to_cpu(scb_val.val);
2278 sinfo->filled |= STATION_INFO_SIGNAL;
2279 sinfo->signal = rssi;
2280 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
2282 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
2285 brcmf_err("Could not get beacon period (%d)\n",
2289 sinfo->bss_param.beacon_interval =
2291 brcmf_dbg(CONN, "Beacon peroid %d\n",
2294 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
2297 brcmf_err("Could not get DTIM period (%d)\n",
2301 sinfo->bss_param.dtim_period = dtim_period;
2302 brcmf_dbg(CONN, "DTIM peroid %d\n",
2305 sinfo->filled |= STATION_INFO_BSS_PARAM;
2310 brcmf_dbg(TRACE, "Exit\n");
2315 brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2316 bool enabled, s32 timeout)
2320 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2321 struct brcmf_if *ifp = netdev_priv(ndev);
2323 brcmf_dbg(TRACE, "Enter\n");
2326 * Powersave enable/disable request is coming from the
2327 * cfg80211 even before the interface is up. In that
2328 * scenario, driver will be storing the power save
2329 * preference in cfg struct to apply this to
2330 * FW later while initializing the dongle
2332 cfg->pwr_save = enabled;
2333 if (!check_vif_up(ifp->vif)) {
2335 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
2339 pm = enabled ? PM_FAST : PM_OFF;
2340 /* Do not enable the power save after assoc if it is a p2p interface */
2341 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2342 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2345 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
2347 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
2350 brcmf_err("net_device is not ready yet\n");
2352 brcmf_err("error (%d)\n", err);
2355 brcmf_dbg(TRACE, "Exit\n");
2359 static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
2360 struct brcmf_bss_info_le *bi)
2362 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2363 struct ieee80211_channel *notify_channel;
2364 struct cfg80211_bss *bss;
2365 struct ieee80211_supported_band *band;
2366 struct brcmu_chan ch;
2369 u16 notify_capability;
2370 u16 notify_interval;
2372 size_t notify_ielen;
2375 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
2376 brcmf_err("Bss info is larger than buffer. Discarding\n");
2381 ch.chspec = le16_to_cpu(bi->chanspec);
2382 cfg->d11inf.decchspec(&ch);
2383 bi->ctl_ch = ch.chnum;
2385 channel = bi->ctl_ch;
2387 if (channel <= CH_MAX_2G_CHANNEL)
2388 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2390 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2392 freq = ieee80211_channel_to_frequency(channel, band->band);
2393 notify_channel = ieee80211_get_channel(wiphy, freq);
2395 notify_capability = le16_to_cpu(bi->capability);
2396 notify_interval = le16_to_cpu(bi->beacon_period);
2397 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2398 notify_ielen = le32_to_cpu(bi->ie_length);
2399 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2401 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2402 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2403 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2404 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2405 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
2407 bss = cfg80211_inform_bss(wiphy, notify_channel,
2408 CFG80211_BSS_FTYPE_UNKNOWN,
2409 (const u8 *)bi->BSSID,
2410 0, notify_capability,
2411 notify_interval, notify_ie,
2412 notify_ielen, notify_signal,
2418 cfg80211_put_bss(wiphy, bss);
2423 static struct brcmf_bss_info_le *
2424 next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2427 return list->bss_info_le;
2428 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2429 le32_to_cpu(bss->length));
2432 static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
2434 struct brcmf_scan_results *bss_list;
2435 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
2439 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
2440 if (bss_list->count != 0 &&
2441 bss_list->version != BRCMF_BSS_INFO_VERSION) {
2442 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2446 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
2447 for (i = 0; i < bss_list->count; i++) {
2448 bi = next_bss_le(bss_list, bi);
2449 err = brcmf_inform_single_bss(cfg, bi);
2456 static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
2457 struct net_device *ndev, const u8 *bssid)
2459 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2460 struct ieee80211_channel *notify_channel;
2461 struct brcmf_bss_info_le *bi = NULL;
2462 struct ieee80211_supported_band *band;
2463 struct cfg80211_bss *bss;
2464 struct brcmu_chan ch;
2468 u16 notify_capability;
2469 u16 notify_interval;
2471 size_t notify_ielen;
2474 brcmf_dbg(TRACE, "Enter\n");
2476 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2482 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2484 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2485 buf, WL_BSS_INFO_MAX);
2487 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
2491 bi = (struct brcmf_bss_info_le *)(buf + 4);
2493 ch.chspec = le16_to_cpu(bi->chanspec);
2494 cfg->d11inf.decchspec(&ch);
2496 if (ch.band == BRCMU_CHAN_BAND_2G)
2497 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2499 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2501 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
2502 notify_channel = ieee80211_get_channel(wiphy, freq);
2504 notify_capability = le16_to_cpu(bi->capability);
2505 notify_interval = le16_to_cpu(bi->beacon_period);
2506 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2507 notify_ielen = le32_to_cpu(bi->ie_length);
2508 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2510 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
2511 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2512 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2513 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
2515 bss = cfg80211_inform_bss(wiphy, notify_channel,
2516 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2517 notify_capability, notify_interval,
2518 notify_ie, notify_ielen, notify_signal,
2526 cfg80211_put_bss(wiphy, bss);
2532 brcmf_dbg(TRACE, "Exit\n");
2537 static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2538 struct brcmf_if *ifp)
2540 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
2541 struct brcmf_bss_info_le *bi;
2542 struct brcmf_ssid *ssid;
2543 const struct brcmf_tlv *tim;
2544 u16 beacon_interval;
2550 brcmf_dbg(TRACE, "Enter\n");
2551 if (brcmf_is_ibssmode(ifp->vif))
2554 ssid = &profile->ssid;
2556 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
2557 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
2558 cfg->extra_buf, WL_EXTRA_BUF_MAX);
2560 brcmf_err("Could not get bss info %d\n", err);
2561 goto update_bss_info_out;
2564 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2565 err = brcmf_inform_single_bss(cfg, bi);
2567 goto update_bss_info_out;
2569 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2570 ie_len = le32_to_cpu(bi->ie_length);
2571 beacon_interval = le16_to_cpu(bi->beacon_period);
2573 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
2575 dtim_period = tim->data[1];
2578 * active scan was done so we could not get dtim
2579 * information out of probe response.
2580 * so we speficially query dtim information to dongle.
2583 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
2585 brcmf_err("wl dtim_assoc failed (%d)\n", err);
2586 goto update_bss_info_out;
2588 dtim_period = (u8)var;
2591 update_bss_info_out:
2592 brcmf_dbg(TRACE, "Exit");
2596 void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
2598 struct escan_info *escan = &cfg->escan_info;
2600 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
2601 if (cfg->scan_request) {
2602 escan->escan_state = WL_ESCAN_STATE_IDLE;
2603 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
2605 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2606 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
2609 static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2611 struct brcmf_cfg80211_info *cfg =
2612 container_of(work, struct brcmf_cfg80211_info,
2613 escan_timeout_work);
2615 brcmf_inform_bss(cfg);
2616 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
2619 static void brcmf_escan_timeout(unsigned long data)
2621 struct brcmf_cfg80211_info *cfg =
2622 (struct brcmf_cfg80211_info *)data;
2624 if (cfg->scan_request) {
2625 brcmf_err("timer expired\n");
2626 schedule_work(&cfg->escan_timeout_work);
2631 brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2632 struct brcmf_bss_info_le *bss,
2633 struct brcmf_bss_info_le *bss_info_le)
2635 struct brcmu_chan ch_bss, ch_bss_info_le;
2637 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2638 cfg->d11inf.decchspec(&ch_bss);
2639 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2640 cfg->d11inf.decchspec(&ch_bss_info_le);
2642 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
2643 ch_bss.band == ch_bss_info_le.band &&
2644 bss_info_le->SSID_len == bss->SSID_len &&
2645 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
2646 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2647 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
2648 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2649 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2651 /* preserve max RSSI if the measurements are
2652 * both on-channel or both off-channel
2654 if (bss_info_rssi > bss_rssi)
2655 bss->RSSI = bss_info_le->RSSI;
2656 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2657 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
2658 /* preserve the on-channel rssi measurement
2659 * if the new measurement is off channel
2661 bss->RSSI = bss_info_le->RSSI;
2662 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
2670 brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
2671 const struct brcmf_event_msg *e, void *data)
2673 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
2675 struct brcmf_escan_result_le *escan_result_le;
2676 struct brcmf_bss_info_le *bss_info_le;
2677 struct brcmf_bss_info_le *bss = NULL;
2679 struct brcmf_scan_results *list;
2685 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2686 brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
2690 if (status == BRCMF_E_STATUS_PARTIAL) {
2691 brcmf_dbg(SCAN, "ESCAN Partial result\n");
2692 escan_result_le = (struct brcmf_escan_result_le *) data;
2693 if (!escan_result_le) {
2694 brcmf_err("Invalid escan result (NULL pointer)\n");
2697 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
2698 brcmf_err("Invalid bss_count %d: ignoring\n",
2699 escan_result_le->bss_count);
2702 bss_info_le = &escan_result_le->bss_info_le;
2704 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2707 if (!cfg->scan_request) {
2708 brcmf_dbg(SCAN, "result without cfg80211 request\n");
2712 bi_length = le32_to_cpu(bss_info_le->length);
2713 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2714 WL_ESCAN_RESULTS_FIXED_SIZE)) {
2715 brcmf_err("Invalid bss_info length %d: ignoring\n",
2720 if (!(cfg_to_wiphy(cfg)->interface_modes &
2721 BIT(NL80211_IFTYPE_ADHOC))) {
2722 if (le16_to_cpu(bss_info_le->capability) &
2723 WLAN_CAPABILITY_IBSS) {
2724 brcmf_err("Ignoring IBSS result\n");
2729 list = (struct brcmf_scan_results *)
2730 cfg->escan_info.escan_buf;
2731 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
2732 brcmf_err("Buffer is too small: ignoring\n");
2736 for (i = 0; i < list->count; i++) {
2737 bss = bss ? (struct brcmf_bss_info_le *)
2738 ((unsigned char *)bss +
2739 le32_to_cpu(bss->length)) : list->bss_info_le;
2740 if (brcmf_compare_update_same_bss(cfg, bss,
2744 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
2745 bss_info_le, bi_length);
2746 list->version = le32_to_cpu(bss_info_le->version);
2747 list->buflen += bi_length;
2750 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2751 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
2753 if (cfg->scan_request) {
2754 brcmf_inform_bss(cfg);
2755 aborted = status != BRCMF_E_STATUS_SUCCESS;
2756 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
2758 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
2765 static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
2767 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
2768 brcmf_cfg80211_escan_handler);
2769 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2770 /* Init scan_timeout timer */
2771 init_timer(&cfg->escan_timeout);
2772 cfg->escan_timeout.data = (unsigned long) cfg;
2773 cfg->escan_timeout.function = brcmf_escan_timeout;
2774 INIT_WORK(&cfg->escan_timeout_work,
2775 brcmf_cfg80211_escan_timeout_worker);
2778 static __always_inline void brcmf_delay(u32 ms)
2780 if (ms < 1000 / HZ) {
2788 static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2790 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2791 struct net_device *ndev = cfg_to_ndev(cfg);
2792 struct brcmf_if *ifp = netdev_priv(ndev);
2794 brcmf_dbg(TRACE, "Enter\n");
2796 if (cfg->wowl_enabled) {
2797 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
2798 cfg->pre_wowl_pmmode);
2799 brcmf_fil_iovar_data_set(ifp, "wowl_pattern", "clr", 4);
2800 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
2801 cfg->wowl_enabled = false;
2806 static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
2807 struct brcmf_if *ifp,
2808 struct cfg80211_wowlan *wowl)
2812 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
2814 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
2815 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
2818 if (wowl->disconnect)
2819 wowl_config |= WL_WOWL_DIS | WL_WOWL_BCN | WL_WOWL_RETR;
2820 /* Note: if "wowl" target and not "wowlpf" then wowl_bcn_loss
2821 * should be configured. This paramater is not supported by
2824 if (wowl->magic_pkt)
2825 wowl_config |= WL_WOWL_MAGIC;
2826 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
2827 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
2828 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
2829 cfg->wowl_enabled = true;
2832 static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
2833 struct cfg80211_wowlan *wowl)
2835 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2836 struct net_device *ndev = cfg_to_ndev(cfg);
2837 struct brcmf_if *ifp = netdev_priv(ndev);
2838 struct brcmf_cfg80211_vif *vif;
2840 brcmf_dbg(TRACE, "Enter\n");
2842 /* if the primary net_device is not READY there is nothing
2843 * we can do but pray resume goes smoothly.
2845 if (!check_vif_up(ifp->vif))
2848 /* end any scanning */
2849 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
2850 brcmf_abort_scanning(cfg);
2853 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
2854 list_for_each_entry(vif, &cfg->vif_list, list) {
2855 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
2857 /* While going to suspend if associated with AP
2858 * disassociate from AP to save power while system is
2859 * in suspended state
2861 brcmf_link_down(vif);
2862 /* Make sure WPA_Supplicant receives all the event
2863 * generated due to DISASSOC call to the fw to keep
2864 * the state fw and WPA_Supplicant state consistent
2869 brcmf_set_mpc(ifp, 1);
2872 /* Configure WOWL paramaters */
2873 brcmf_configure_wowl(cfg, ifp, wowl);
2877 brcmf_dbg(TRACE, "Exit\n");
2878 /* clear any scanning activity */
2879 cfg->scan_status = 0;
2884 brcmf_update_pmklist(struct net_device *ndev,
2885 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
2890 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
2892 brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
2893 for (i = 0; i < pmkid_len; i++) {
2894 brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
2895 &pmk_list->pmkids.pmkid[i].BSSID);
2896 for (j = 0; j < WLAN_PMKID_LEN; j++)
2897 brcmf_dbg(CONN, "%02x\n",
2898 pmk_list->pmkids.pmkid[i].PMKID[j]);
2902 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
2903 (char *)pmk_list, sizeof(*pmk_list));
2909 brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2910 struct cfg80211_pmksa *pmksa)
2912 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2913 struct brcmf_if *ifp = netdev_priv(ndev);
2914 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
2919 brcmf_dbg(TRACE, "Enter\n");
2920 if (!check_vif_up(ifp->vif))
2923 pmkid_len = le32_to_cpu(pmkids->npmkid);
2924 for (i = 0; i < pmkid_len; i++)
2925 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
2927 if (i < WL_NUM_PMKIDS_MAX) {
2928 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
2929 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
2930 if (i == pmkid_len) {
2932 pmkids->npmkid = cpu_to_le32(pmkid_len);
2937 brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
2938 pmkids->pmkid[pmkid_len].BSSID);
2939 for (i = 0; i < WLAN_PMKID_LEN; i++)
2940 brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
2942 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
2944 brcmf_dbg(TRACE, "Exit\n");
2949 brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
2950 struct cfg80211_pmksa *pmksa)
2952 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2953 struct brcmf_if *ifp = netdev_priv(ndev);
2954 struct pmkid_list pmkid;
2958 brcmf_dbg(TRACE, "Enter\n");
2959 if (!check_vif_up(ifp->vif))
2962 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
2963 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
2965 brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
2966 &pmkid.pmkid[0].BSSID);
2967 for (i = 0; i < WLAN_PMKID_LEN; i++)
2968 brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
2970 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
2971 for (i = 0; i < pmkid_len; i++)
2973 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
2978 && (i < pmkid_len)) {
2979 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
2980 sizeof(struct pmkid));
2981 for (; i < (pmkid_len - 1); i++) {
2982 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
2983 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
2985 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
2986 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
2989 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
2993 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
2995 brcmf_dbg(TRACE, "Exit\n");
3001 brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
3003 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3004 struct brcmf_if *ifp = netdev_priv(ndev);
3007 brcmf_dbg(TRACE, "Enter\n");
3008 if (!check_vif_up(ifp->vif))
3011 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
3012 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
3014 brcmf_dbg(TRACE, "Exit\n");
3020 * PFN result doesn't have all the info which are
3021 * required by the supplicant
3022 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3023 * via wl_inform_single_bss in the required format. Escan does require the
3024 * scan request in the form of cfg80211_scan_request. For timebeing, create
3025 * cfg80211_scan_request one out of the received PNO event.
3028 brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
3029 const struct brcmf_event_msg *e, void *data)
3031 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3032 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3033 struct cfg80211_scan_request *request = NULL;
3034 struct cfg80211_ssid *ssid = NULL;
3035 struct ieee80211_channel *channel = NULL;
3036 struct wiphy *wiphy = cfg_to_wiphy(cfg);
3038 int channel_req = 0;
3040 struct brcmf_pno_scanresults_le *pfn_result;
3044 brcmf_dbg(SCAN, "Enter\n");
3046 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
3047 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
3051 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3052 result_count = le32_to_cpu(pfn_result->count);
3053 status = le32_to_cpu(pfn_result->status);
3056 * PFN event is limited to fit 512 bytes so we may get
3057 * multiple NET_FOUND events. For now place a warning here.
3059 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
3060 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
3061 if (result_count > 0) {
3064 request = kzalloc(sizeof(*request), GFP_KERNEL);
3065 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3066 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
3067 if (!request || !ssid || !channel) {
3072 request->wiphy = wiphy;
3073 data += sizeof(struct brcmf_pno_scanresults_le);
3074 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3076 for (i = 0; i < result_count; i++) {
3077 netinfo = &netinfo_start[i];
3079 brcmf_err("Invalid netinfo ptr. index: %d\n",
3085 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3086 netinfo->SSID, netinfo->channel);
3087 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3088 ssid[i].ssid_len = netinfo->SSID_len;
3091 channel_req = netinfo->channel;
3092 if (channel_req <= CH_MAX_2G_CHANNEL)
3093 band = NL80211_BAND_2GHZ;
3095 band = NL80211_BAND_5GHZ;
3096 channel[i].center_freq =
3097 ieee80211_channel_to_frequency(channel_req,
3099 channel[i].band = band;
3100 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3101 request->channels[i] = &channel[i];
3102 request->n_channels++;
3105 /* assign parsed ssid array */
3106 if (request->n_ssids)
3107 request->ssids = &ssid[0];
3109 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3110 /* Abort any on-going scan */
3111 brcmf_abort_scanning(cfg);
3114 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3115 cfg->escan_info.run = brcmf_run_escan;
3116 err = brcmf_do_escan(cfg, wiphy, ifp, request);
3118 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3121 cfg->sched_escan = true;
3122 cfg->scan_request = request;
3124 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
3137 cfg80211_sched_scan_stopped(wiphy);
3141 static int brcmf_dev_pno_clean(struct net_device *ndev)
3146 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
3149 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3153 brcmf_err("failed code %d\n", ret);
3158 static int brcmf_dev_pno_config(struct net_device *ndev)
3160 struct brcmf_pno_param_le pfn_param;
3162 memset(&pfn_param, 0, sizeof(pfn_param));
3163 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3165 /* set extra pno params */
3166 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3167 pfn_param.repeat = BRCMF_PNO_REPEAT;
3168 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3170 /* set up pno scan fr */
3171 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3173 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
3174 &pfn_param, sizeof(pfn_param));
3178 brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3179 struct net_device *ndev,
3180 struct cfg80211_sched_scan_request *request)
3182 struct brcmf_if *ifp = netdev_priv(ndev);
3183 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
3184 struct brcmf_pno_net_param_le pfn;
3188 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
3189 request->n_match_sets, request->n_ssids);
3190 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3191 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
3194 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3195 brcmf_err("Scanning suppressed: status (%lu)\n",
3200 if (!request->n_ssids || !request->n_match_sets) {
3201 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
3206 if (request->n_ssids > 0) {
3207 for (i = 0; i < request->n_ssids; i++) {
3208 /* Active scan req for ssids */
3209 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3210 request->ssids[i].ssid);
3213 * match_set ssids is a supert set of n_ssid list,
3214 * so we need not add these set seperately.
3219 if (request->n_match_sets > 0) {
3220 /* clean up everything */
3221 ret = brcmf_dev_pno_clean(ndev);
3223 brcmf_err("failed error=%d\n", ret);
3228 ret = brcmf_dev_pno_config(ndev);
3230 brcmf_err("PNO setup failed!! ret=%d\n", ret);
3234 /* configure each match set */
3235 for (i = 0; i < request->n_match_sets; i++) {
3236 struct cfg80211_ssid *ssid;
3239 ssid = &request->match_sets[i].ssid;
3240 ssid_len = ssid->ssid_len;
3243 brcmf_err("skip broadcast ssid\n");
3246 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3247 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3248 pfn.wsec = cpu_to_le32(0);
3249 pfn.infra = cpu_to_le32(1);
3250 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3251 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3252 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
3253 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
3255 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3256 ret == 0 ? "set" : "failed", ssid->ssid);
3258 /* Enable the PNO */
3259 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
3260 brcmf_err("PNO enable failed!! ret=%d\n", ret);
3270 static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3271 struct net_device *ndev)
3273 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3275 brcmf_dbg(SCAN, "enter\n");
3276 brcmf_dev_pno_clean(ndev);
3277 if (cfg->sched_escan)
3278 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
3282 static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
3287 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
3289 brcmf_err("auth error %d\n", err);
3293 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
3295 brcmf_err("wsec error %d\n", err);
3298 /* set upper-layer auth */
3299 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
3301 brcmf_err("wpa_auth error %d\n", err);
3308 static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3311 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3313 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3317 brcmf_configure_wpaie(struct net_device *ndev,
3318 const struct brcmf_vs_tlv *wpa_ie,
3321 struct brcmf_if *ifp = netdev_priv(ndev);
3322 u32 auth = 0; /* d11 open authentication */
3334 u32 wme_bss_disable;
3336 brcmf_dbg(TRACE, "Enter\n");
3340 len = wpa_ie->len + TLV_HDR_LEN;
3341 data = (u8 *)wpa_ie;
3342 offset = TLV_HDR_LEN;
3344 offset += VS_IE_FIXED_HDR_LEN;
3346 offset += WPA_IE_VERSION_LEN;
3348 /* check for multicast cipher suite */
3349 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3351 brcmf_err("no multicast cipher suite\n");
3355 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3357 brcmf_err("ivalid OUI\n");
3360 offset += TLV_OUI_LEN;
3362 /* pick up multicast cipher */
3363 switch (data[offset]) {
3364 case WPA_CIPHER_NONE:
3367 case WPA_CIPHER_WEP_40:
3368 case WPA_CIPHER_WEP_104:
3371 case WPA_CIPHER_TKIP:
3372 gval = TKIP_ENABLED;
3374 case WPA_CIPHER_AES_CCM:
3379 brcmf_err("Invalid multi cast cipher info\n");
3384 /* walk thru unicast cipher list and pick up what we recognize */
3385 count = data[offset] + (data[offset + 1] << 8);
3386 offset += WPA_IE_SUITE_COUNT_LEN;
3387 /* Check for unicast suite(s) */
3388 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3390 brcmf_err("no unicast cipher suite\n");
3393 for (i = 0; i < count; i++) {
3394 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3396 brcmf_err("ivalid OUI\n");
3399 offset += TLV_OUI_LEN;
3400 switch (data[offset]) {
3401 case WPA_CIPHER_NONE:
3403 case WPA_CIPHER_WEP_40:
3404 case WPA_CIPHER_WEP_104:
3405 pval |= WEP_ENABLED;
3407 case WPA_CIPHER_TKIP:
3408 pval |= TKIP_ENABLED;
3410 case WPA_CIPHER_AES_CCM:
3411 pval |= AES_ENABLED;
3414 brcmf_err("Ivalid unicast security info\n");
3418 /* walk thru auth management suite list and pick up what we recognize */
3419 count = data[offset] + (data[offset + 1] << 8);
3420 offset += WPA_IE_SUITE_COUNT_LEN;
3421 /* Check for auth key management suite(s) */
3422 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3424 brcmf_err("no auth key mgmt suite\n");
3427 for (i = 0; i < count; i++) {
3428 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3430 brcmf_err("ivalid OUI\n");
3433 offset += TLV_OUI_LEN;
3434 switch (data[offset]) {
3436 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
3437 wpa_auth |= WPA_AUTH_NONE;
3439 case RSN_AKM_UNSPECIFIED:
3440 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
3441 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3442 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3445 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
3446 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3447 (wpa_auth |= WPA_AUTH_PSK);
3450 brcmf_err("Ivalid key mgmt info\n");
3456 wme_bss_disable = 1;
3457 if ((offset + RSN_CAP_LEN) <= len) {
3458 rsn_cap = data[offset] + (data[offset + 1] << 8);
3459 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3460 wme_bss_disable = 0;
3462 /* set wme_bss_disable to sync RSN Capabilities */
3463 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
3466 brcmf_err("wme_bss_disable error %d\n", err);
3470 /* FOR WPS , set SES_OW_ENABLED */
3471 wsec = (pval | gval | SES_OW_ENABLED);
3474 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
3476 brcmf_err("auth error %d\n", err);
3480 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
3482 brcmf_err("wsec error %d\n", err);
3485 /* set upper-layer auth */
3486 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
3488 brcmf_err("wpa_auth error %d\n", err);
3497 brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
3498 struct parsed_vndr_ies *vndr_ies)
3500 struct brcmf_vs_tlv *vndrie;
3501 struct brcmf_tlv *ie;
3502 struct parsed_vndr_ie_info *parsed_info;
3505 remaining_len = (s32)vndr_ie_len;
3506 memset(vndr_ies, 0, sizeof(*vndr_ies));
3508 ie = (struct brcmf_tlv *)vndr_ie_buf;
3510 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3512 vndrie = (struct brcmf_vs_tlv *)ie;
3513 /* len should be bigger than OUI length + one */
3514 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
3515 brcmf_err("invalid vndr ie. length is too small %d\n",
3519 /* if wpa or wme ie, do not add ie */
3520 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3521 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3522 (vndrie->oui_type == WME_OUI_TYPE))) {
3523 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
3527 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3529 /* save vndr ie information */
3530 parsed_info->ie_ptr = (char *)vndrie;
3531 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3532 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3536 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
3537 parsed_info->vndrie.oui[0],
3538 parsed_info->vndrie.oui[1],
3539 parsed_info->vndrie.oui[2],
3540 parsed_info->vndrie.oui_type);
3542 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
3545 remaining_len -= (ie->len + TLV_HDR_LEN);
3546 if (remaining_len <= TLV_HDR_LEN)
3549 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
3556 brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3562 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3563 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3565 iecount_le = cpu_to_le32(1);
3566 memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
3568 pktflag_le = cpu_to_le32(pktflag);
3569 memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
3571 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3573 return ie_len + VNDR_IE_HDR_SIZE;
3576 s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3577 const u8 *vndr_ie_buf, u32 vndr_ie_len)
3579 struct brcmf_if *ifp;
3580 struct vif_saved_ie *saved_ie;
3584 u8 *mgmt_ie_buf = NULL;
3585 int mgmt_ie_buf_len;
3587 u32 del_add_ie_buf_len = 0;
3588 u32 total_ie_buf_len = 0;
3589 u32 parsed_ie_buf_len = 0;
3590 struct parsed_vndr_ies old_vndr_ies;
3591 struct parsed_vndr_ies new_vndr_ies;
3592 struct parsed_vndr_ie_info *vndrie_info;
3595 int remained_buf_len;
3600 saved_ie = &vif->saved_ie;
3602 brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
3603 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3606 curr_ie_buf = iovar_ie_buf;
3608 case BRCMF_VNDR_IE_PRBREQ_FLAG:
3609 mgmt_ie_buf = saved_ie->probe_req_ie;
3610 mgmt_ie_len = &saved_ie->probe_req_ie_len;
3611 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
3613 case BRCMF_VNDR_IE_PRBRSP_FLAG:
3614 mgmt_ie_buf = saved_ie->probe_res_ie;
3615 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3616 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
3618 case BRCMF_VNDR_IE_BEACON_FLAG:
3619 mgmt_ie_buf = saved_ie->beacon_ie;
3620 mgmt_ie_len = &saved_ie->beacon_ie_len;
3621 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
3623 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
3624 mgmt_ie_buf = saved_ie->assoc_req_ie;
3625 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
3626 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
3630 brcmf_err("not suitable type\n");
3634 if (vndr_ie_len > mgmt_ie_buf_len) {
3636 brcmf_err("extra IE size too big\n");
3640 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3641 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3643 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3644 for (i = 0; i < new_vndr_ies.count; i++) {
3645 vndrie_info = &new_vndr_ies.ie_info[i];
3646 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3647 vndrie_info->ie_len);
3648 parsed_ie_buf_len += vndrie_info->ie_len;
3652 if (mgmt_ie_buf && *mgmt_ie_len) {
3653 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3654 (memcmp(mgmt_ie_buf, curr_ie_buf,
3655 parsed_ie_buf_len) == 0)) {
3656 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
3660 /* parse old vndr_ie */
3661 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3663 /* make a command to delete old ie */
3664 for (i = 0; i < old_vndr_ies.count; i++) {
3665 vndrie_info = &old_vndr_ies.ie_info[i];
3667 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3668 vndrie_info->vndrie.id,
3669 vndrie_info->vndrie.len,
3670 vndrie_info->vndrie.oui[0],
3671 vndrie_info->vndrie.oui[1],
3672 vndrie_info->vndrie.oui[2]);
3674 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3675 vndrie_info->ie_ptr,
3676 vndrie_info->ie_len,
3678 curr_ie_buf += del_add_ie_buf_len;
3679 total_ie_buf_len += del_add_ie_buf_len;
3684 /* Add if there is any extra IE */
3685 if (mgmt_ie_buf && parsed_ie_buf_len) {
3688 remained_buf_len = mgmt_ie_buf_len;
3690 /* make a command to add new ie */
3691 for (i = 0; i < new_vndr_ies.count; i++) {
3692 vndrie_info = &new_vndr_ies.ie_info[i];
3694 /* verify remained buf size before copy data */
3695 if (remained_buf_len < (vndrie_info->vndrie.len +
3696 VNDR_IE_VSIE_OFFSET)) {
3697 brcmf_err("no space in mgmt_ie_buf: len left %d",
3701 remained_buf_len -= (vndrie_info->ie_len +
3702 VNDR_IE_VSIE_OFFSET);
3704 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3705 vndrie_info->vndrie.id,
3706 vndrie_info->vndrie.len,
3707 vndrie_info->vndrie.oui[0],
3708 vndrie_info->vndrie.oui[1],
3709 vndrie_info->vndrie.oui[2]);
3711 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3712 vndrie_info->ie_ptr,
3713 vndrie_info->ie_len,
3716 /* save the parsed IE in wl struct */
3717 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3718 vndrie_info->ie_len);
3719 *mgmt_ie_len += vndrie_info->ie_len;
3721 curr_ie_buf += del_add_ie_buf_len;
3722 total_ie_buf_len += del_add_ie_buf_len;
3725 if (total_ie_buf_len) {
3726 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
3729 brcmf_err("vndr ie set error : %d\n", err);
3733 kfree(iovar_ie_buf);
3737 s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
3740 BRCMF_VNDR_IE_PRBREQ_FLAG,
3741 BRCMF_VNDR_IE_PRBRSP_FLAG,
3742 BRCMF_VNDR_IE_BEACON_FLAG
3746 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
3747 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
3749 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
3754 brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
3755 struct cfg80211_beacon_data *beacon)
3759 /* Set Beacon IEs to FW */
3760 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
3761 beacon->tail, beacon->tail_len);
3763 brcmf_err("Set Beacon IE Failed\n");
3766 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
3768 /* Set Probe Response IEs to FW */
3769 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
3770 beacon->proberesp_ies,
3771 beacon->proberesp_ies_len);
3773 brcmf_err("Set Probe Resp IE Failed\n");
3775 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
3781 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3782 struct cfg80211_ap_settings *settings)
3785 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3786 struct brcmf_if *ifp = netdev_priv(ndev);
3787 const struct brcmf_tlv *ssid_ie;
3788 struct brcmf_ssid_le ssid_le;
3790 const struct brcmf_tlv *rsn_ie;
3791 const struct brcmf_vs_tlv *wpa_ie;
3792 struct brcmf_join_params join_params;
3793 enum nl80211_iftype dev_role;
3794 struct brcmf_fil_bss_enable_le bss_enable;
3797 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
3798 settings->chandef.chan->hw_value,
3799 settings->chandef.center_freq1, settings->chandef.width,
3800 settings->beacon_interval, settings->dtim_period);
3801 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
3802 settings->ssid, settings->ssid_len, settings->auth_type,
3803 settings->inactivity_timeout);
3805 dev_role = ifp->vif->wdev.iftype;
3807 memset(&ssid_le, 0, sizeof(ssid_le));
3808 if (settings->ssid == NULL || settings->ssid_len == 0) {
3809 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
3810 ssid_ie = brcmf_parse_tlvs(
3811 (u8 *)&settings->beacon.head[ie_offset],
3812 settings->beacon.head_len - ie_offset,
3817 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
3818 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
3819 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
3821 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
3822 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
3825 brcmf_set_mpc(ifp, 0);
3826 brcmf_configure_arp_offload(ifp, false);
3828 /* find the RSN_IE */
3829 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
3830 settings->beacon.tail_len, WLAN_EID_RSN);
3832 /* find the WPA_IE */
3833 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
3834 settings->beacon.tail_len);
3836 if ((wpa_ie != NULL || rsn_ie != NULL)) {
3837 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
3838 if (wpa_ie != NULL) {
3840 err = brcmf_configure_wpaie(ndev, wpa_ie, false);
3845 err = brcmf_configure_wpaie(ndev,
3846 (struct brcmf_vs_tlv *)rsn_ie, true);
3851 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
3852 brcmf_configure_opensecurity(ifp);
3855 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
3857 chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
3858 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
3860 brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err);
3864 if (settings->beacon_interval) {
3865 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
3866 settings->beacon_interval);
3868 brcmf_err("Beacon Interval Set Error, %d\n", err);
3872 if (settings->dtim_period) {
3873 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
3874 settings->dtim_period);
3876 brcmf_err("DTIM Interval Set Error, %d\n", err);
3881 if (dev_role == NL80211_IFTYPE_AP) {
3882 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
3884 brcmf_err("BRCMF_C_DOWN error %d\n", err);
3887 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
3890 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
3892 brcmf_err("SET INFRA error %d\n", err);
3895 if (dev_role == NL80211_IFTYPE_AP) {
3896 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
3898 brcmf_err("setting AP mode failed %d\n", err);
3901 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
3903 brcmf_err("BRCMF_C_UP error (%d)\n", err);
3907 memset(&join_params, 0, sizeof(join_params));
3908 /* join parameters starts with ssid */
3909 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
3911 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3912 &join_params, sizeof(join_params));
3914 brcmf_err("SET SSID error (%d)\n", err);
3917 brcmf_dbg(TRACE, "AP mode configuration complete\n");
3919 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
3922 brcmf_err("setting ssid failed %d\n", err);
3925 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
3926 bss_enable.enable = cpu_to_le32(1);
3927 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
3928 sizeof(bss_enable));
3930 brcmf_err("bss_enable config failed %d\n", err);
3934 brcmf_dbg(TRACE, "GO mode configuration complete\n");
3936 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3937 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
3941 brcmf_set_mpc(ifp, 1);
3942 brcmf_configure_arp_offload(ifp, true);
3947 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
3949 struct brcmf_if *ifp = netdev_priv(ndev);
3951 struct brcmf_fil_bss_enable_le bss_enable;
3952 struct brcmf_join_params join_params;
3954 brcmf_dbg(TRACE, "Enter\n");
3956 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
3957 /* Due to most likely deauths outstanding we sleep */
3958 /* first to make sure they get processed by fw. */
3961 memset(&join_params, 0, sizeof(join_params));
3962 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
3963 &join_params, sizeof(join_params));
3965 brcmf_err("SET SSID error (%d)\n", err);
3966 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
3968 brcmf_err("BRCMF_C_UP error %d\n", err);
3969 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
3971 brcmf_err("setting AP mode failed %d\n", err);
3972 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
3974 brcmf_err("setting INFRA mode failed %d\n", err);
3976 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
3977 bss_enable.enable = cpu_to_le32(0);
3978 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
3979 sizeof(bss_enable));
3981 brcmf_err("bss_enable config failed %d\n", err);
3983 brcmf_set_mpc(ifp, 1);
3984 brcmf_configure_arp_offload(ifp, true);
3985 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
3986 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
3992 brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
3993 struct cfg80211_beacon_data *info)
3995 struct brcmf_if *ifp = netdev_priv(ndev);
3998 brcmf_dbg(TRACE, "Enter\n");
4000 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4006 brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
4009 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4010 struct brcmf_scb_val_le scbval;
4011 struct brcmf_if *ifp = netdev_priv(ndev);
4017 brcmf_dbg(TRACE, "Enter %pM\n", mac);
4019 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4020 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
4021 if (!check_vif_up(ifp->vif))
4024 memcpy(&scbval.ea, mac, ETH_ALEN);
4025 scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
4026 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
4027 &scbval, sizeof(scbval));
4029 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
4031 brcmf_dbg(TRACE, "Exit\n");
4037 brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4038 struct wireless_dev *wdev,
4039 u16 frame_type, bool reg)
4041 struct brcmf_cfg80211_vif *vif;
4044 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4046 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
4047 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4049 vif->mgmt_rx_reg |= BIT(mgmt_type);
4051 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
4056 brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
4057 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
4059 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4060 struct ieee80211_channel *chan = params->chan;
4061 const u8 *buf = params->buf;
4062 size_t len = params->len;
4063 const struct ieee80211_mgmt *mgmt;
4064 struct brcmf_cfg80211_vif *vif;
4068 struct brcmf_fil_action_frame_le *action_frame;
4069 struct brcmf_fil_af_params_le *af_params;
4074 brcmf_dbg(TRACE, "Enter\n");
4078 mgmt = (const struct ieee80211_mgmt *)buf;
4080 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4081 brcmf_err("Driver only allows MGMT packet type\n");
4085 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4087 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4088 /* Right now the only reason to get a probe response */
4089 /* is for p2p listen response or for p2p GO from */
4090 /* wpa_supplicant. Unfortunately the probe is send */
4091 /* on primary ndev, while dongle wants it on the p2p */
4092 /* vif. Since this is only reason for a probe */
4093 /* response to be sent, the vif is taken from cfg. */
4094 /* If ever desired to send proberesp for non p2p */
4095 /* response then data should be checked for */
4096 /* "DIRECT-". Note in future supplicant will take */
4097 /* dedicated p2p wdev to do this and then this 'hack'*/
4098 /* is not needed anymore. */
4099 ie_offset = DOT11_MGMT_HDR_LEN +
4100 DOT11_BCN_PRB_FIXED_LEN;
4101 ie_len = len - ie_offset;
4102 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
4103 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4104 err = brcmf_vif_set_mgmt_ie(vif,
4105 BRCMF_VNDR_IE_PRBRSP_FLAG,
4108 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4110 } else if (ieee80211_is_action(mgmt->frame_control)) {
4111 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4112 if (af_params == NULL) {
4113 brcmf_err("unable to allocate frame\n");
4117 action_frame = &af_params->action_frame;
4118 /* Add the packet Id */
4119 action_frame->packet_id = cpu_to_le32(*cookie);
4121 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4122 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4123 /* Add the length exepted for 802.11 header */
4124 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
4125 /* Add the channel. Use the one specified as parameter if any or
4126 * the current one (got from the firmware) otherwise
4129 freq = chan->center_freq;
4131 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4133 chan_nr = ieee80211_frequency_to_channel(freq);
4134 af_params->channel = cpu_to_le32(chan_nr);
4136 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4137 le16_to_cpu(action_frame->len));
4139 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
4140 *cookie, le16_to_cpu(action_frame->len), freq);
4142 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
4145 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4149 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4150 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
4159 brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4160 struct wireless_dev *wdev,
4163 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4164 struct brcmf_cfg80211_vif *vif;
4167 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4169 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4171 brcmf_err("No p2p device available for probe response\n");
4175 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4180 static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4181 struct wireless_dev *wdev,
4182 enum nl80211_crit_proto_id proto,
4185 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4186 struct brcmf_cfg80211_vif *vif;
4188 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4190 /* only DHCP support for now */
4191 if (proto != NL80211_CRIT_PROTO_DHCP)
4194 /* suppress and abort scanning */
4195 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4196 brcmf_abort_scanning(cfg);
4198 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4201 static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4202 struct wireless_dev *wdev)
4204 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4205 struct brcmf_cfg80211_vif *vif;
4207 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4209 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4210 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4214 brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4215 const struct brcmf_event_msg *e, void *data)
4217 switch (e->reason) {
4218 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4219 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4221 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4222 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4223 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4225 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4226 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4227 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4234 static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4239 case NL80211_TDLS_DISCOVERY_REQ:
4240 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4242 case NL80211_TDLS_SETUP:
4243 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4245 case NL80211_TDLS_TEARDOWN:
4246 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4249 brcmf_err("unsupported operation: %d\n", oper);
4255 static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
4256 struct net_device *ndev, const u8 *peer,
4257 enum nl80211_tdls_operation oper)
4259 struct brcmf_if *ifp;
4260 struct brcmf_tdls_iovar_le info;
4263 ret = brcmf_convert_nl80211_tdls_oper(oper);
4267 ifp = netdev_priv(ndev);
4268 memset(&info, 0, sizeof(info));
4269 info.mode = (u8)ret;
4271 memcpy(info.ea, peer, ETH_ALEN);
4273 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4274 &info, sizeof(info));
4276 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4281 static struct cfg80211_ops wl_cfg80211_ops = {
4282 .add_virtual_intf = brcmf_cfg80211_add_iface,
4283 .del_virtual_intf = brcmf_cfg80211_del_iface,
4284 .change_virtual_intf = brcmf_cfg80211_change_iface,
4285 .scan = brcmf_cfg80211_scan,
4286 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4287 .join_ibss = brcmf_cfg80211_join_ibss,
4288 .leave_ibss = brcmf_cfg80211_leave_ibss,
4289 .get_station = brcmf_cfg80211_get_station,
4290 .set_tx_power = brcmf_cfg80211_set_tx_power,
4291 .get_tx_power = brcmf_cfg80211_get_tx_power,
4292 .add_key = brcmf_cfg80211_add_key,
4293 .del_key = brcmf_cfg80211_del_key,
4294 .get_key = brcmf_cfg80211_get_key,
4295 .set_default_key = brcmf_cfg80211_config_default_key,
4296 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4297 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
4298 .connect = brcmf_cfg80211_connect,
4299 .disconnect = brcmf_cfg80211_disconnect,
4300 .suspend = brcmf_cfg80211_suspend,
4301 .resume = brcmf_cfg80211_resume,
4302 .set_pmksa = brcmf_cfg80211_set_pmksa,
4303 .del_pmksa = brcmf_cfg80211_del_pmksa,
4304 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
4305 .start_ap = brcmf_cfg80211_start_ap,
4306 .stop_ap = brcmf_cfg80211_stop_ap,
4307 .change_beacon = brcmf_cfg80211_change_beacon,
4308 .del_station = brcmf_cfg80211_del_station,
4309 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4310 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
4311 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4312 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4313 .remain_on_channel = brcmf_p2p_remain_on_channel,
4314 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
4315 .start_p2p_device = brcmf_p2p_start_device,
4316 .stop_p2p_device = brcmf_p2p_stop_device,
4317 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4318 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
4319 .tdls_oper = brcmf_cfg80211_tdls_oper,
4322 struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
4323 enum nl80211_iftype type,
4326 struct brcmf_cfg80211_vif *vif;
4328 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
4330 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4332 return ERR_PTR(-ENOMEM);
4334 vif->wdev.wiphy = cfg->wiphy;
4335 vif->wdev.iftype = type;
4337 vif->pm_block = pm_block;
4340 brcmf_init_prof(&vif->profile);
4342 list_add_tail(&vif->list, &cfg->vif_list);
4346 void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
4348 list_del(&vif->list);
4352 void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4354 struct brcmf_cfg80211_vif *vif;
4355 struct brcmf_if *ifp;
4357 ifp = netdev_priv(ndev);
4360 brcmf_free_vif(vif);
4364 static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
4366 u32 event = e->event_code;
4367 u32 status = e->status;
4369 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
4370 brcmf_dbg(CONN, "Processing set ssid\n");
4377 static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
4379 u32 event = e->event_code;
4380 u16 flags = e->flags;
4382 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4383 (event == BRCMF_E_DISASSOC_IND) ||
4384 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
4385 brcmf_dbg(CONN, "Processing link down\n");
4391 static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
4392 const struct brcmf_event_msg *e)
4394 u32 event = e->event_code;
4395 u32 status = e->status;
4397 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
4398 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4399 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
4403 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
4404 brcmf_dbg(CONN, "Processing connecting & no network found\n");
4411 static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
4413 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4415 kfree(conn_info->req_ie);
4416 conn_info->req_ie = NULL;
4417 conn_info->req_ie_len = 0;
4418 kfree(conn_info->resp_ie);
4419 conn_info->resp_ie = NULL;
4420 conn_info->resp_ie_len = 0;
4423 static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
4424 struct brcmf_if *ifp)
4426 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
4427 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4432 brcmf_clear_assoc_ies(cfg);
4434 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
4435 cfg->extra_buf, WL_ASSOC_INFO_MAX);
4437 brcmf_err("could not get assoc info (%d)\n", err);
4441 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
4442 req_len = le32_to_cpu(assoc_info->req_len);
4443 resp_len = le32_to_cpu(assoc_info->resp_len);
4445 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
4449 brcmf_err("could not get assoc req (%d)\n", err);
4452 conn_info->req_ie_len = req_len;
4454 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
4457 conn_info->req_ie_len = 0;
4458 conn_info->req_ie = NULL;
4461 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
4465 brcmf_err("could not get assoc resp (%d)\n", err);
4468 conn_info->resp_ie_len = resp_len;
4469 conn_info->resp_ie =
4470 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
4473 conn_info->resp_ie_len = 0;
4474 conn_info->resp_ie = NULL;
4476 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
4477 conn_info->req_ie_len, conn_info->resp_ie_len);
4483 brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
4484 struct net_device *ndev,
4485 const struct brcmf_event_msg *e)
4487 struct brcmf_if *ifp = netdev_priv(ndev);
4488 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4489 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4490 struct wiphy *wiphy = cfg_to_wiphy(cfg);
4491 struct ieee80211_channel *notify_channel = NULL;
4492 struct ieee80211_supported_band *band;
4493 struct brcmf_bss_info_le *bi;
4494 struct brcmu_chan ch;
4499 brcmf_dbg(TRACE, "Enter\n");
4501 brcmf_get_assoc_ies(cfg, ifp);
4502 memcpy(profile->bssid, e->addr, ETH_ALEN);
4503 brcmf_update_bss_info(cfg, ifp);
4505 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4511 /* data sent to dongle has to be little endian */
4512 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
4513 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
4514 buf, WL_BSS_INFO_MAX);
4519 bi = (struct brcmf_bss_info_le *)(buf + 4);
4520 ch.chspec = le16_to_cpu(bi->chanspec);
4521 cfg->d11inf.decchspec(&ch);
4523 if (ch.band == BRCMU_CHAN_BAND_2G)
4524 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4526 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4528 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
4529 notify_channel = ieee80211_get_channel(wiphy, freq);
4533 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
4534 conn_info->req_ie, conn_info->req_ie_len,
4535 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
4536 brcmf_dbg(CONN, "Report roaming result\n");
4538 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
4539 brcmf_dbg(TRACE, "Exit\n");
4544 brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
4545 struct net_device *ndev, const struct brcmf_event_msg *e,
4548 struct brcmf_if *ifp = netdev_priv(ndev);
4549 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4550 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4552 brcmf_dbg(TRACE, "Enter\n");
4554 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4555 &ifp->vif->sme_state)) {
4557 brcmf_get_assoc_ies(cfg, ifp);
4558 memcpy(profile->bssid, e->addr, ETH_ALEN);
4559 brcmf_update_bss_info(cfg, ifp);
4560 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4561 &ifp->vif->sme_state);
4563 cfg80211_connect_result(ndev,
4564 (u8 *)profile->bssid,
4566 conn_info->req_ie_len,
4568 conn_info->resp_ie_len,
4569 completed ? WLAN_STATUS_SUCCESS :
4570 WLAN_STATUS_AUTH_TIMEOUT,
4572 brcmf_dbg(CONN, "Report connect result - connection %s\n",
4573 completed ? "succeeded" : "failed");
4575 brcmf_dbg(TRACE, "Exit\n");
4580 brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
4581 struct net_device *ndev,
4582 const struct brcmf_event_msg *e, void *data)
4584 static int generation;
4585 u32 event = e->event_code;
4586 u32 reason = e->reason;
4587 struct station_info sinfo;
4589 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
4590 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
4591 ndev != cfg_to_ndev(cfg)) {
4592 brcmf_dbg(CONN, "AP mode link down\n");
4593 complete(&cfg->vif_disabled);
4597 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
4598 (reason == BRCMF_E_STATUS_SUCCESS)) {
4599 memset(&sinfo, 0, sizeof(sinfo));
4600 sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
4602 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
4605 sinfo.assoc_req_ies = data;
4606 sinfo.assoc_req_ies_len = e->datalen;
4608 sinfo.generation = generation;
4609 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
4610 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4611 (event == BRCMF_E_DEAUTH_IND) ||
4612 (event == BRCMF_E_DEAUTH)) {
4613 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
4619 brcmf_notify_connect_status(struct brcmf_if *ifp,
4620 const struct brcmf_event_msg *e, void *data)
4622 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4623 struct net_device *ndev = ifp->ndev;
4624 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4625 struct ieee80211_channel *chan;
4628 if ((e->event_code == BRCMF_E_DEAUTH) ||
4629 (e->event_code == BRCMF_E_DEAUTH_IND) ||
4630 (e->event_code == BRCMF_E_DISASSOC_IND) ||
4631 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
4632 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4635 if (brcmf_is_apmode(ifp->vif)) {
4636 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
4637 } else if (brcmf_is_linkup(e)) {
4638 brcmf_dbg(CONN, "Linkup\n");
4639 if (brcmf_is_ibssmode(ifp->vif)) {
4640 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
4641 memcpy(profile->bssid, e->addr, ETH_ALEN);
4642 wl_inform_ibss(cfg, ndev, e->addr);
4643 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
4644 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4645 &ifp->vif->sme_state);
4646 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4647 &ifp->vif->sme_state);
4649 brcmf_bss_connect_done(cfg, ndev, e, true);
4650 } else if (brcmf_is_linkdown(e)) {
4651 brcmf_dbg(CONN, "Linkdown\n");
4652 if (!brcmf_is_ibssmode(ifp->vif)) {
4653 brcmf_bss_connect_done(cfg, ndev, e, false);
4655 brcmf_link_down(ifp->vif);
4656 brcmf_init_prof(ndev_to_prof(ndev));
4657 if (ndev != cfg_to_ndev(cfg))
4658 complete(&cfg->vif_disabled);
4659 } else if (brcmf_is_nonetwork(cfg, e)) {
4660 if (brcmf_is_ibssmode(ifp->vif))
4661 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4662 &ifp->vif->sme_state);
4664 brcmf_bss_connect_done(cfg, ndev, e, false);
4671 brcmf_notify_roaming_status(struct brcmf_if *ifp,
4672 const struct brcmf_event_msg *e, void *data)
4674 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4675 u32 event = e->event_code;
4676 u32 status = e->status;
4678 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
4679 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
4680 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
4682 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
4689 brcmf_notify_mic_status(struct brcmf_if *ifp,
4690 const struct brcmf_event_msg *e, void *data)
4692 u16 flags = e->flags;
4693 enum nl80211_key_type key_type;
4695 if (flags & BRCMF_EVENT_MSG_GROUP)
4696 key_type = NL80211_KEYTYPE_GROUP;
4698 key_type = NL80211_KEYTYPE_PAIRWISE;
4700 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
4706 static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
4707 const struct brcmf_event_msg *e, void *data)
4709 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4710 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
4711 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
4712 struct brcmf_cfg80211_vif *vif;
4714 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
4715 ifevent->action, ifevent->flags, ifevent->ifidx,
4718 mutex_lock(&event->vif_event_lock);
4719 event->action = ifevent->action;
4722 switch (ifevent->action) {
4723 case BRCMF_E_IF_ADD:
4724 /* waiting process may have timed out */
4725 if (!cfg->vif_event.vif) {
4726 mutex_unlock(&event->vif_event_lock);
4733 vif->wdev.netdev = ifp->ndev;
4734 ifp->ndev->ieee80211_ptr = &vif->wdev;
4735 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
4737 mutex_unlock(&event->vif_event_lock);
4738 wake_up(&event->vif_wq);
4741 case BRCMF_E_IF_DEL:
4742 mutex_unlock(&event->vif_event_lock);
4743 /* event may not be upon user request */
4744 if (brcmf_cfg80211_vif_event_armed(cfg))
4745 wake_up(&event->vif_wq);
4748 case BRCMF_E_IF_CHANGE:
4749 mutex_unlock(&event->vif_event_lock);
4750 wake_up(&event->vif_wq);
4754 mutex_unlock(&event->vif_event_lock);
4760 static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
4762 conf->frag_threshold = (u32)-1;
4763 conf->rts_threshold = (u32)-1;
4764 conf->retry_short = (u32)-1;
4765 conf->retry_long = (u32)-1;
4766 conf->tx_power = -1;
4769 static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
4771 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
4772 brcmf_notify_connect_status);
4773 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
4774 brcmf_notify_connect_status);
4775 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
4776 brcmf_notify_connect_status);
4777 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
4778 brcmf_notify_connect_status);
4779 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
4780 brcmf_notify_connect_status);
4781 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
4782 brcmf_notify_connect_status);
4783 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
4784 brcmf_notify_roaming_status);
4785 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
4786 brcmf_notify_mic_status);
4787 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
4788 brcmf_notify_connect_status);
4789 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
4790 brcmf_notify_sched_scan_results);
4791 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
4792 brcmf_notify_vif_event);
4793 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
4794 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
4795 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
4796 brcmf_p2p_notify_listen_complete);
4797 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
4798 brcmf_p2p_notify_action_frame_rx);
4799 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
4800 brcmf_p2p_notify_action_tx_complete);
4801 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
4802 brcmf_p2p_notify_action_tx_complete);
4805 static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
4809 kfree(cfg->escan_ioctl_buf);
4810 cfg->escan_ioctl_buf = NULL;
4811 kfree(cfg->extra_buf);
4812 cfg->extra_buf = NULL;
4813 kfree(cfg->pmk_list);
4814 cfg->pmk_list = NULL;
4817 static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
4819 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
4821 goto init_priv_mem_out;
4822 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
4823 if (!cfg->escan_ioctl_buf)
4824 goto init_priv_mem_out;
4825 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
4826 if (!cfg->extra_buf)
4827 goto init_priv_mem_out;
4828 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
4830 goto init_priv_mem_out;
4835 brcmf_deinit_priv_mem(cfg);
4840 static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
4844 cfg->scan_request = NULL;
4845 cfg->pwr_save = true;
4846 cfg->active_scan = true; /* we do active scan per default */
4847 cfg->dongle_up = false; /* dongle is not up yet */
4848 err = brcmf_init_priv_mem(cfg);
4851 brcmf_register_event_handlers(cfg);
4852 mutex_init(&cfg->usr_sync);
4853 brcmf_init_escan(cfg);
4854 brcmf_init_conf(cfg->conf);
4855 init_completion(&cfg->vif_disabled);
4859 static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
4861 cfg->dongle_up = false; /* dongle down */
4862 brcmf_abort_scanning(cfg);
4863 brcmf_deinit_priv_mem(cfg);
4866 static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
4868 init_waitqueue_head(&event->vif_wq);
4869 mutex_init(&event->vif_event_lock);
4873 brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
4876 __le32 roamtrigger[2];
4877 __le32 roam_delta[2];
4880 * Setup timeout if Beacons are lost and roam is
4881 * off to report link down
4883 if (brcmf_roamoff) {
4884 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
4886 brcmf_err("bcn_timeout error (%d)\n", err);
4887 goto dongle_rom_out;
4892 * Enable/Disable built-in roaming to allow supplicant
4893 * to take care of roaming
4895 brcmf_dbg(INFO, "Internal Roaming = %s\n",
4896 brcmf_roamoff ? "Off" : "On");
4897 err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
4899 brcmf_err("roam_off error (%d)\n", err);
4900 goto dongle_rom_out;
4903 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
4904 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
4905 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
4906 (void *)roamtrigger, sizeof(roamtrigger));
4908 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
4909 goto dongle_rom_out;
4912 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
4913 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
4914 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
4915 (void *)roam_delta, sizeof(roam_delta));
4917 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
4918 goto dongle_rom_out;
4926 brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
4927 s32 scan_unassoc_time, s32 scan_passive_time)
4931 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
4934 if (err == -EOPNOTSUPP)
4935 brcmf_dbg(INFO, "Scan assoc time is not supported\n");
4937 brcmf_err("Scan assoc time error (%d)\n", err);
4938 goto dongle_scantime_out;
4940 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
4943 if (err == -EOPNOTSUPP)
4944 brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
4946 brcmf_err("Scan unassoc time error (%d)\n", err);
4947 goto dongle_scantime_out;
4950 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
4953 if (err == -EOPNOTSUPP)
4954 brcmf_dbg(INFO, "Scan passive time is not supported\n");
4956 brcmf_err("Scan passive time error (%d)\n", err);
4957 goto dongle_scantime_out;
4960 dongle_scantime_out:
4964 /* Filter the list of channels received from firmware counting only
4965 * the 20MHz channels. The wiphy band data only needs those which get
4966 * flagged to indicate if they can take part in higher bandwidth.
4968 static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
4969 struct brcmf_chanspec_list *chlist,
4972 u32 total = le32_to_cpu(chlist->count);
4973 struct brcmu_chan ch;
4976 for (i = 0; i < total; i++) {
4977 ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
4978 cfg->d11inf.decchspec(&ch);
4980 /* Firmware gives a ordered list. We skip non-20MHz
4981 * channels is 2G. For 5G we can abort upon reaching
4982 * a non-20MHz channel in the list.
4984 if (ch.bw != BRCMU_CHAN_BW_20) {
4985 if (ch.band == BRCMU_CHAN_BAND_5G)
4991 if (ch.band == BRCMU_CHAN_BAND_2G)
4993 else if (ch.band == BRCMU_CHAN_BAND_5G)
4998 static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
4999 struct brcmu_chan *ch)
5003 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5004 if (ch->sb == BRCMU_CHAN_SB_U) {
5005 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5006 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5007 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5009 /* It should be one of
5010 * IEEE80211_CHAN_NO_HT40 or
5011 * IEEE80211_CHAN_NO_HT40PLUS
5013 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5014 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5015 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5019 static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5022 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5023 struct ieee80211_supported_band *band;
5024 struct ieee80211_channel *channel;
5025 struct wiphy *wiphy;
5026 struct brcmf_chanspec_list *list;
5027 struct brcmu_chan ch;
5033 u32 chcnt[2] = { 0, 0 };
5036 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5041 list = (struct brcmf_chanspec_list *)pbuf;
5043 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5046 brcmf_err("get chanspecs error (%d)\n", err);
5050 brcmf_count_20mhz_channels(cfg, list, chcnt);
5051 wiphy = cfg_to_wiphy(cfg);
5053 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
5059 band->channels = kcalloc(chcnt[0], sizeof(*channel),
5061 if (band->channels == NULL) {
5066 band->n_channels = 0;
5067 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
5070 band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
5076 band->channels = kcalloc(chcnt[1], sizeof(*channel),
5078 if (band->channels == NULL) {
5083 band->n_channels = 0;
5084 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
5087 total = le32_to_cpu(list->count);
5088 for (i = 0; i < total; i++) {
5089 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5090 cfg->d11inf.decchspec(&ch);
5092 if (ch.band == BRCMU_CHAN_BAND_2G) {
5093 band = wiphy->bands[IEEE80211_BAND_2GHZ];
5094 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
5095 band = wiphy->bands[IEEE80211_BAND_5GHZ];
5097 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
5100 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
5101 ch.bw == BRCMU_CHAN_BW_40)
5103 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
5104 ch.bw == BRCMU_CHAN_BW_80)
5107 channel = band->channels;
5108 index = band->n_channels;
5109 for (j = 0; j < band->n_channels; j++) {
5110 if (channel[j].hw_value == ch.chnum) {
5115 channel[index].center_freq =
5116 ieee80211_channel_to_frequency(ch.chnum, band->band);
5117 channel[index].hw_value = ch.chnum;
5119 /* assuming the chanspecs order is HT20,
5120 * HT40 upper, HT40 lower, and VHT80.
5122 if (ch.bw == BRCMU_CHAN_BW_80) {
5123 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5124 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5125 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5127 /* disable other bandwidths for now as mentioned
5128 * order assure they are enabled for subsequent
5131 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5132 IEEE80211_CHAN_NO_80MHZ;
5133 ch.bw = BRCMU_CHAN_BW_20;
5134 cfg->d11inf.encchspec(&ch);
5135 chaninfo = ch.chspec;
5136 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5139 if (chaninfo & WL_CHAN_RADAR)
5140 channel[index].flags |=
5141 (IEEE80211_CHAN_RADAR |
5142 IEEE80211_CHAN_NO_IR);
5143 if (chaninfo & WL_CHAN_PASSIVE)
5144 channel[index].flags |=
5145 IEEE80211_CHAN_NO_IR;
5148 if (index == band->n_channels)
5155 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5156 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5157 wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
5163 static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
5165 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5166 struct ieee80211_supported_band *band;
5167 struct brcmf_fil_bwcap_le band_bwcap;
5168 struct brcmf_chanspec_list *list;
5172 struct brcmu_chan ch;
5176 /* verify support for bw_cap command */
5178 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5181 /* only set 2G bandwidth using bw_cap command */
5182 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5183 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5184 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5185 sizeof(band_bwcap));
5187 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5188 val = WLC_N_BW_40ALL;
5189 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5193 /* update channel info in 2G band */
5194 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5199 ch.band = BRCMU_CHAN_BAND_2G;
5200 ch.bw = BRCMU_CHAN_BW_40;
5201 ch.sb = BRCMU_CHAN_SB_NONE;
5203 cfg->d11inf.encchspec(&ch);
5205 /* pass encoded chanspec in query */
5206 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5208 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5211 brcmf_err("get chanspecs error (%d)\n", err);
5216 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5217 list = (struct brcmf_chanspec_list *)pbuf;
5218 num_chan = le32_to_cpu(list->count);
5219 for (i = 0; i < num_chan; i++) {
5220 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5221 cfg->d11inf.decchspec(&ch);
5222 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5224 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5226 for (j = 0; j < band->n_channels; j++) {
5227 if (band->channels[j].hw_value == ch.chnum)
5230 if (WARN_ON(j == band->n_channels))
5233 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5240 static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5242 u32 band, mimo_bwcap;
5246 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5248 bw_cap[IEEE80211_BAND_2GHZ] = band;
5250 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5252 bw_cap[IEEE80211_BAND_5GHZ] = band;
5258 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5260 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5262 /* assume 20MHz if firmware does not give a clue */
5263 mimo_bwcap = WLC_N_BW_20ALL;
5265 switch (mimo_bwcap) {
5266 case WLC_N_BW_40ALL:
5267 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5269 case WLC_N_BW_20IN2G_40IN5G:
5270 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5272 case WLC_N_BW_20ALL:
5273 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5274 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5277 brcmf_err("invalid mimo_bw_cap value\n");
5281 static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5282 u32 bw_cap[2], u32 nchain)
5284 band->ht_cap.ht_supported = true;
5285 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5286 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5287 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5289 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5290 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5291 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5292 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5293 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5294 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5297 static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5302 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5303 mcs_map = (mcs_map << 2) | supp;
5305 return cpu_to_le16(mcs_map);
5308 static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
5309 u32 bw_cap[2], u32 nchain)
5313 /* not allowed in 2.4G band */
5314 if (band->band == IEEE80211_BAND_2GHZ)
5317 band->vht_cap.vht_supported = true;
5318 /* 80MHz is mandatory */
5319 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5320 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5321 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5322 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5324 /* all support 256-QAM */
5325 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5326 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5327 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
5330 static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5332 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
5333 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5336 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
5341 struct ieee80211_supported_band *band;
5343 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
5344 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5346 brcmf_err("nmode error (%d)\n", err);
5348 brcmf_get_bwcap(ifp, bw_cap);
5350 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5351 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5352 bw_cap[IEEE80211_BAND_5GHZ]);
5354 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5356 brcmf_err("rxchain error (%d)\n", err);
5359 for (nchain = 0; rxchain; nchain++)
5360 rxchain = rxchain & (rxchain - 1);
5362 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5364 err = brcmf_construct_chaninfo(cfg, bw_cap);
5366 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
5370 wiphy = cfg_to_wiphy(cfg);
5371 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5372 band = wiphy->bands[i];
5377 brcmf_update_ht_cap(band, bw_cap, nchain);
5379 brcmf_update_vht_cap(band, bw_cap, nchain);
5385 static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
5388 .types = BIT(NL80211_IFTYPE_STATION) |
5389 BIT(NL80211_IFTYPE_ADHOC) |
5390 BIT(NL80211_IFTYPE_AP)
5394 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5395 BIT(NL80211_IFTYPE_P2P_GO)
5399 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5402 static struct ieee80211_iface_combination brcmf_iface_combos[] = {
5404 .max_interfaces = BRCMF_IFACE_MAX_CNT,
5405 .num_different_channels = 1,
5406 .n_limits = ARRAY_SIZE(brcmf_iface_limits),
5407 .limits = brcmf_iface_limits
5411 static const struct ieee80211_txrx_stypes
5412 brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5413 [NL80211_IFTYPE_STATION] = {
5415 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5416 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5418 [NL80211_IFTYPE_P2P_CLIENT] = {
5420 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5421 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5423 [NL80211_IFTYPE_P2P_GO] = {
5425 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5426 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5427 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5428 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5429 BIT(IEEE80211_STYPE_AUTH >> 4) |
5430 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5431 BIT(IEEE80211_STYPE_ACTION >> 4)
5433 [NL80211_IFTYPE_P2P_DEVICE] = {
5435 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5436 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5440 static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
5442 /* scheduled scan settings */
5443 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
5444 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
5445 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5446 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
5451 static const struct wiphy_wowlan_support brcmf_wowlan_support = {
5452 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
5456 static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
5460 wiphy->wowlan = &brcmf_wowlan_support;
5464 static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
5466 struct ieee80211_iface_combination ifc_combo;
5467 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
5468 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5469 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
5470 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
5471 BIT(NL80211_IFTYPE_ADHOC) |
5472 BIT(NL80211_IFTYPE_AP) |
5473 BIT(NL80211_IFTYPE_P2P_CLIENT) |
5474 BIT(NL80211_IFTYPE_P2P_GO) |
5475 BIT(NL80211_IFTYPE_P2P_DEVICE);
5476 /* need VSDB firmware feature for concurrent channels */
5477 ifc_combo = brcmf_iface_combos[0];
5478 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
5479 ifc_combo.num_different_channels = 2;
5480 wiphy->iface_combinations = kmemdup(&ifc_combo,
5483 wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
5484 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
5485 wiphy->cipher_suites = __wl_cipher_suites;
5486 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
5487 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
5488 WIPHY_FLAG_OFFCHAN_TX |
5489 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
5490 WIPHY_FLAG_SUPPORTS_TDLS;
5492 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
5493 wiphy->mgmt_stypes = brcmf_txrx_stypes;
5494 wiphy->max_remain_on_channel_duration = 5000;
5495 brcmf_wiphy_pno_params(wiphy);
5497 /* vendor commands/events support */
5498 wiphy->vendor_commands = brcmf_vendor_cmds;
5499 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
5501 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
5502 brcmf_wiphy_wowl_params(wiphy);
5504 return brcmf_setup_wiphybands(wiphy);
5507 static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5509 struct net_device *ndev;
5510 struct wireless_dev *wdev;
5511 struct brcmf_if *ifp;
5518 ndev = cfg_to_ndev(cfg);
5519 wdev = ndev->ieee80211_ptr;
5520 ifp = netdev_priv(ndev);
5522 /* make sure RF is ready for work */
5523 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5525 brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
5526 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
5528 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
5529 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5531 goto default_conf_out;
5532 brcmf_dbg(INFO, "power save set to %s\n",
5533 (power_mode ? "enabled" : "disabled"));
5535 err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
5537 goto default_conf_out;
5538 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
5541 goto default_conf_out;
5543 brcmf_configure_arp_offload(ifp, true);
5545 cfg->dongle_up = true;
5552 static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5554 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5556 return brcmf_config_dongle(ifp->drvr->config);
5559 static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5561 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5564 * While going down, if associated with AP disassociate
5565 * from AP to save power
5567 if (check_vif_up(ifp->vif)) {
5568 brcmf_link_down(ifp->vif);
5570 /* Make sure WPA_Supplicant receives all the event
5571 generated due to DISASSOC call to the fw to keep
5572 the state fw and WPA_Supplicant state consistent
5577 brcmf_abort_scanning(cfg);
5578 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5583 s32 brcmf_cfg80211_up(struct net_device *ndev)
5585 struct brcmf_if *ifp = netdev_priv(ndev);
5586 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5589 mutex_lock(&cfg->usr_sync);
5590 err = __brcmf_cfg80211_up(ifp);
5591 mutex_unlock(&cfg->usr_sync);
5596 s32 brcmf_cfg80211_down(struct net_device *ndev)
5598 struct brcmf_if *ifp = netdev_priv(ndev);
5599 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5602 mutex_lock(&cfg->usr_sync);
5603 err = __brcmf_cfg80211_down(ifp);
5604 mutex_unlock(&cfg->usr_sync);
5609 enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
5611 struct wireless_dev *wdev = &ifp->vif->wdev;
5613 return wdev->iftype;
5616 bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, unsigned long state)
5618 struct brcmf_cfg80211_vif *vif;
5620 list_for_each_entry(vif, &cfg->vif_list, list) {
5621 if (test_bit(state, &vif->sme_state))
5627 static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
5632 mutex_lock(&event->vif_event_lock);
5633 evt_action = event->action;
5634 mutex_unlock(&event->vif_event_lock);
5635 return evt_action == action;
5638 void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
5639 struct brcmf_cfg80211_vif *vif)
5641 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5643 mutex_lock(&event->vif_event_lock);
5646 mutex_unlock(&event->vif_event_lock);
5649 bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
5651 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5654 mutex_lock(&event->vif_event_lock);
5655 armed = event->vif != NULL;
5656 mutex_unlock(&event->vif_event_lock);
5660 int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
5661 u8 action, ulong timeout)
5663 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5665 return wait_event_timeout(event->vif_wq,
5666 vif_event_equals(event, action), timeout);
5669 static void brcmf_free_wiphy(struct wiphy *wiphy)
5671 kfree(wiphy->iface_combinations);
5672 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5673 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5674 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5676 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
5677 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
5678 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
5683 struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
5684 struct device *busdev)
5686 struct net_device *ndev = drvr->iflist[0]->ndev;
5687 struct brcmf_cfg80211_info *cfg;
5688 struct wiphy *wiphy;
5689 struct brcmf_cfg80211_vif *vif;
5690 struct brcmf_if *ifp;
5696 brcmf_err("ndev is invalid\n");
5700 ifp = netdev_priv(ndev);
5701 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
5703 brcmf_err("Could not allocate wiphy device\n");
5706 set_wiphy_dev(wiphy, busdev);
5708 cfg = wiphy_priv(wiphy);
5711 init_vif_event(&cfg->vif_event);
5712 INIT_LIST_HEAD(&cfg->vif_list);
5714 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
5719 vif->wdev.netdev = ndev;
5720 ndev->ieee80211_ptr = &vif->wdev;
5721 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
5723 err = wl_init_priv(cfg);
5725 brcmf_err("Failed to init iwm_priv (%d)\n", err);
5726 brcmf_free_vif(vif);
5731 /* determine d11 io type before wiphy setup */
5732 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
5734 brcmf_err("Failed to get D11 version (%d)\n", err);
5737 cfg->d11inf.io_type = (u8)io_type;
5738 brcmu_d11_attach(&cfg->d11inf);
5740 err = brcmf_setup_wiphy(wiphy, ifp);
5744 brcmf_dbg(INFO, "Registering custom regulatory\n");
5745 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
5746 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
5748 /* firmware defaults to 40MHz disabled in 2G band. We signal
5749 * cfg80211 here that we do and have it decide we can enable
5750 * it. But first check if device does support 2G operation.
5752 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
5753 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
5754 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5756 err = wiphy_register(wiphy);
5758 brcmf_err("Could not register wiphy device (%d)\n", err);
5762 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
5763 * setup 40MHz in 2GHz band and enable OBSS scanning.
5765 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
5766 err = brcmf_enable_bw40_2g(cfg);
5768 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
5769 BRCMF_OBSS_COEX_AUTO);
5771 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5774 err = brcmf_p2p_attach(cfg);
5776 brcmf_err("P2P initilisation failed (%d)\n", err);
5777 goto wiphy_unreg_out;
5779 err = brcmf_btcoex_attach(cfg);
5781 brcmf_err("BT-coex initialisation failed (%d)\n", err);
5782 brcmf_p2p_detach(&cfg->p2p);
5783 goto wiphy_unreg_out;
5786 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
5788 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
5789 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
5791 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
5792 brcmf_notify_tdls_peer_event);
5798 wiphy_unregister(cfg->wiphy);
5800 wl_deinit_priv(cfg);
5801 brcmf_free_vif(vif);
5803 brcmf_free_wiphy(wiphy);
5807 void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
5812 WARN_ON(!list_empty(&cfg->vif_list));
5813 wiphy_unregister(cfg->wiphy);
5814 brcmf_btcoex_detach(cfg);
5815 brcmf_p2p_detach(&cfg->p2p);
5816 wl_deinit_priv(cfg);
5817 brcmf_free_wiphy(cfg->wiphy);