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"
43 #define BRCMF_SCAN_IE_LEN_MAX 2048
44 #define BRCMF_PNO_VERSION 2
45 #define BRCMF_PNO_TIME 30
46 #define BRCMF_PNO_REPEAT 4
47 #define BRCMF_PNO_FREQ_EXPO_MAX 3
48 #define BRCMF_PNO_MAX_PFN_COUNT 16
49 #define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
50 #define BRCMF_PNO_HIDDEN_BIT 2
51 #define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
52 #define BRCMF_PNO_SCAN_COMPLETE 1
53 #define BRCMF_PNO_SCAN_INCOMPLETE 0
55 #define BRCMF_IFACE_MAX_CNT 3
57 #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
58 #define WPA_OUI_TYPE 1
59 #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
60 #define WME_OUI_TYPE 2
61 #define WPS_OUI_TYPE 4
63 #define VS_IE_FIXED_HDR_LEN 6
64 #define WPA_IE_VERSION_LEN 2
65 #define WPA_IE_MIN_OUI_LEN 4
66 #define WPA_IE_SUITE_COUNT_LEN 2
68 #define WPA_CIPHER_NONE 0 /* None */
69 #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
70 #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
71 #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
72 #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
74 #define RSN_AKM_NONE 0 /* None (IBSS) */
75 #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
76 #define RSN_AKM_PSK 2 /* Pre-shared Key */
77 #define RSN_CAP_LEN 2 /* Length of RSN capabilities */
78 #define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
80 #define VNDR_IE_CMD_LEN 4 /* length of the set command
81 * string :"add", "del" (+ NUL)
83 #define VNDR_IE_COUNT_OFFSET 4
84 #define VNDR_IE_PKTFLAG_OFFSET 8
85 #define VNDR_IE_VSIE_OFFSET 12
86 #define VNDR_IE_HDR_SIZE 12
87 #define VNDR_IE_PARSE_LIMIT 5
89 #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
90 #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
92 #define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
93 #define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
94 #define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
96 #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
97 (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
99 static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
101 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
102 brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
109 #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
110 #define RATETAB_ENT(_rateid, _flags) \
112 .bitrate = RATE_TO_BASE100KBPS(_rateid), \
113 .hw_value = (_rateid), \
117 static struct ieee80211_rate __wl_rates[] = {
118 RATETAB_ENT(BRCM_RATE_1M, 0),
119 RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
120 RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
121 RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
122 RATETAB_ENT(BRCM_RATE_6M, 0),
123 RATETAB_ENT(BRCM_RATE_9M, 0),
124 RATETAB_ENT(BRCM_RATE_12M, 0),
125 RATETAB_ENT(BRCM_RATE_18M, 0),
126 RATETAB_ENT(BRCM_RATE_24M, 0),
127 RATETAB_ENT(BRCM_RATE_36M, 0),
128 RATETAB_ENT(BRCM_RATE_48M, 0),
129 RATETAB_ENT(BRCM_RATE_54M, 0),
132 #define wl_a_rates (__wl_rates + 4)
133 #define wl_a_rates_size 8
134 #define wl_g_rates (__wl_rates + 0)
135 #define wl_g_rates_size 12
137 /* Band templates duplicated per wiphy. The channel info
138 * is filled in after querying the device.
140 static const struct ieee80211_supported_band __wl_band_2ghz = {
141 .band = IEEE80211_BAND_2GHZ,
142 .bitrates = wl_g_rates,
143 .n_bitrates = wl_g_rates_size,
146 static const struct ieee80211_supported_band __wl_band_5ghz_a = {
147 .band = IEEE80211_BAND_5GHZ,
148 .bitrates = wl_a_rates,
149 .n_bitrates = wl_a_rates_size,
152 /* This is to override regulatory domains defined in cfg80211 module (reg.c)
153 * By default world regulatory domain defined in reg.c puts the flags
154 * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
155 * With respect to these flags, wpa_supplicant doesn't * start p2p
156 * operations on 5GHz channels. All the changes in world regulatory
157 * domain are to be done here.
159 static const struct ieee80211_regdomain brcmf_regdom = {
163 /* IEEE 802.11b/g, channels 1..11 */
164 REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
166 /* IEEE 802.11 channel 14 - Only JP enables
167 * this and for 802.11b only
169 REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
170 /* IEEE 802.11a, channel 36..64 */
171 REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
172 /* IEEE 802.11a, channel 100..165 */
173 REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
176 static const u32 __wl_cipher_suites[] = {
177 WLAN_CIPHER_SUITE_WEP40,
178 WLAN_CIPHER_SUITE_WEP104,
179 WLAN_CIPHER_SUITE_TKIP,
180 WLAN_CIPHER_SUITE_CCMP,
181 WLAN_CIPHER_SUITE_AES_CMAC,
184 /* Vendor specific ie. id = 221, oui and type defines exact ie */
185 struct brcmf_vs_tlv {
192 struct parsed_vndr_ie_info {
194 u32 ie_len; /* total length including id & length field */
195 struct brcmf_vs_tlv vndrie;
198 struct parsed_vndr_ies {
200 struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
203 static int brcmf_roamoff;
204 module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
205 MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
207 /* Quarter dBm units to mW
208 * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
209 * Table is offset so the last entry is largest mW value that fits in
213 #define QDBM_OFFSET 153 /* Offset for first entry */
214 #define QDBM_TABLE_LEN 40 /* Table size */
216 /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
217 * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
219 #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
221 /* Largest mW value that will round down to the last table entry,
222 * QDBM_OFFSET + QDBM_TABLE_LEN-1.
223 * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
224 * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
226 #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
228 static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
229 /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
230 /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
231 /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
232 /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
233 /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
234 /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
237 static u16 brcmf_qdbm_to_mw(u8 qdbm)
240 int idx = qdbm - QDBM_OFFSET;
242 if (idx >= QDBM_TABLE_LEN)
243 /* clamp to max u16 mW value */
246 /* scale the qdBm index up to the range of the table 0-40
247 * where an offset of 40 qdBm equals a factor of 10 mW.
254 /* return the mW value scaled down to the correct factor of 10,
255 * adding in factor/2 to get proper rounding.
257 return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
260 static u8 brcmf_mw_to_qdbm(u16 mw)
267 /* handle boundary case */
271 offset = QDBM_OFFSET;
273 /* move mw into the range of the table */
274 while (mw_uint < QDBM_TABLE_LOW_BOUND) {
279 for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
280 boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
281 nqdBm_to_mW_map[qdbm]) / 2;
282 if (mw_uint < boundary)
291 static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
292 struct cfg80211_chan_def *ch)
294 struct brcmu_chan ch_inf;
297 brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
298 ch->chan->center_freq, ch->center_freq1, ch->width);
299 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
300 primary_offset = ch->center_freq1 - ch->chan->center_freq;
302 case NL80211_CHAN_WIDTH_20:
303 case NL80211_CHAN_WIDTH_20_NOHT:
304 ch_inf.bw = BRCMU_CHAN_BW_20;
305 WARN_ON(primary_offset != 0);
307 case NL80211_CHAN_WIDTH_40:
308 ch_inf.bw = BRCMU_CHAN_BW_40;
309 if (primary_offset < 0)
310 ch_inf.sb = BRCMU_CHAN_SB_U;
312 ch_inf.sb = BRCMU_CHAN_SB_L;
314 case NL80211_CHAN_WIDTH_80:
315 ch_inf.bw = BRCMU_CHAN_BW_80;
316 if (primary_offset < 0) {
317 if (primary_offset < -CH_10MHZ_APART)
318 ch_inf.sb = BRCMU_CHAN_SB_UU;
320 ch_inf.sb = BRCMU_CHAN_SB_UL;
322 if (primary_offset > CH_10MHZ_APART)
323 ch_inf.sb = BRCMU_CHAN_SB_LL;
325 ch_inf.sb = BRCMU_CHAN_SB_LU;
328 case NL80211_CHAN_WIDTH_80P80:
329 case NL80211_CHAN_WIDTH_160:
330 case NL80211_CHAN_WIDTH_5:
331 case NL80211_CHAN_WIDTH_10:
335 switch (ch->chan->band) {
336 case IEEE80211_BAND_2GHZ:
337 ch_inf.band = BRCMU_CHAN_BAND_2G;
339 case IEEE80211_BAND_5GHZ:
340 ch_inf.band = BRCMU_CHAN_BAND_5G;
342 case IEEE80211_BAND_60GHZ:
346 d11inf->encchspec(&ch_inf);
348 return ch_inf.chspec;
351 u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
352 struct ieee80211_channel *ch)
354 struct brcmu_chan ch_inf;
356 ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
357 ch_inf.bw = BRCMU_CHAN_BW_20;
358 d11inf->encchspec(&ch_inf);
360 return ch_inf.chspec;
363 /* Traverse a string of 1-byte tag/1-byte length/variable-length value
364 * triples, returning a pointer to the substring whose first element
367 const struct brcmf_tlv *
368 brcmf_parse_tlvs(const void *buf, int buflen, uint key)
370 const struct brcmf_tlv *elt = buf;
373 /* find tagged parameter */
374 while (totlen >= TLV_HDR_LEN) {
377 /* validate remaining totlen */
378 if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
381 elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
382 totlen -= (len + TLV_HDR_LEN);
388 /* Is any of the tlvs the expected entry? If
389 * not update the tlvs buffer pointer/length.
392 brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
393 const u8 *oui, u32 oui_len, u8 type)
395 /* If the contents match the OUI and the type */
396 if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
397 !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
398 type == ie[TLV_BODY_OFF + oui_len]) {
404 /* point to the next ie */
405 ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
406 /* calculate the length of the rest of the buffer */
407 *tlvs_len -= (int)(ie - *tlvs);
408 /* update the pointer to the start of the buffer */
414 static struct brcmf_vs_tlv *
415 brcmf_find_wpaie(const u8 *parse, u32 len)
417 const struct brcmf_tlv *ie;
419 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
420 if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
421 WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
422 return (struct brcmf_vs_tlv *)ie;
427 static struct brcmf_vs_tlv *
428 brcmf_find_wpsie(const u8 *parse, u32 len)
430 const struct brcmf_tlv *ie;
432 while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
433 if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
434 WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
435 return (struct brcmf_vs_tlv *)ie;
441 static void convert_key_from_CPU(struct brcmf_wsec_key *key,
442 struct brcmf_wsec_key_le *key_le)
444 key_le->index = cpu_to_le32(key->index);
445 key_le->len = cpu_to_le32(key->len);
446 key_le->algo = cpu_to_le32(key->algo);
447 key_le->flags = cpu_to_le32(key->flags);
448 key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
449 key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
450 key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
451 memcpy(key_le->data, key->data, sizeof(key->data));
452 memcpy(key_le->ea, key->ea, sizeof(key->ea));
456 send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key)
459 struct brcmf_wsec_key_le key_le;
461 convert_key_from_CPU(key, &key_le);
463 brcmf_netdev_wait_pend8021x(ifp);
465 err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le,
469 brcmf_err("wsec_key error (%d)\n", err);
474 brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
480 mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
484 /* Try to set and enable ARP offload feature, this may fail, then it */
485 /* is simply not supported and err 0 will be returned */
486 err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
488 brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
492 err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
494 brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
498 brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
506 brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
508 struct brcmf_cfg80211_vif *vif;
509 struct brcmf_if *ifp;
511 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
514 if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
515 (wdev->iftype == NL80211_IFTYPE_AP) ||
516 (wdev->iftype == NL80211_IFTYPE_P2P_GO))
517 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
520 brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
524 static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp)
526 struct brcmf_mbss_ssid_le mbss_ssid_le;
530 memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le));
531 bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr);
535 mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx);
536 mbss_ssid_le.SSID_len = cpu_to_le32(5);
537 sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx);
539 err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le,
540 sizeof(mbss_ssid_le));
542 brcmf_err("setting ssid failed %d\n", err);
548 * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS
550 * @wiphy: wiphy device of new interface.
551 * @name: name of the new interface.
553 * @params: contains mac address for AP device.
556 struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name,
557 u32 *flags, struct vif_params *params)
559 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
560 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
561 struct brcmf_cfg80211_vif *vif;
564 if (brcmf_cfg80211_vif_event_armed(cfg))
565 return ERR_PTR(-EBUSY);
567 brcmf_dbg(INFO, "Adding vif \"%s\"\n", name);
569 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false);
571 return (struct wireless_dev *)vif;
573 brcmf_cfg80211_arm_vif_event(cfg, vif);
575 err = brcmf_cfg80211_request_ap_if(ifp);
577 brcmf_cfg80211_arm_vif_event(cfg, NULL);
581 /* wait for firmware event */
582 err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD,
583 msecs_to_jiffies(1500));
584 brcmf_cfg80211_arm_vif_event(cfg, NULL);
586 brcmf_err("timeout occurred\n");
591 /* interface created in firmware */
594 brcmf_err("no if pointer provided\n");
599 strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1);
600 err = brcmf_net_attach(ifp, true);
602 brcmf_err("Registering netdevice failed\n");
606 return &ifp->vif->wdev;
613 static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
615 enum nl80211_iftype iftype;
617 iftype = vif->wdev.iftype;
618 return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
621 static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
623 return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
626 static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
628 unsigned char name_assign_type,
629 enum nl80211_iftype type,
631 struct vif_params *params)
633 struct wireless_dev *wdev;
635 brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
637 case NL80211_IFTYPE_ADHOC:
638 case NL80211_IFTYPE_STATION:
639 case NL80211_IFTYPE_AP_VLAN:
640 case NL80211_IFTYPE_WDS:
641 case NL80211_IFTYPE_MONITOR:
642 case NL80211_IFTYPE_MESH_POINT:
643 return ERR_PTR(-EOPNOTSUPP);
644 case NL80211_IFTYPE_AP:
645 wdev = brcmf_ap_add_vif(wiphy, name, flags, params);
647 brcmf_cfg80211_update_proto_addr_mode(wdev);
649 case NL80211_IFTYPE_P2P_CLIENT:
650 case NL80211_IFTYPE_P2P_GO:
651 case NL80211_IFTYPE_P2P_DEVICE:
652 wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, flags, params);
654 brcmf_cfg80211_update_proto_addr_mode(wdev);
656 case NL80211_IFTYPE_UNSPECIFIED:
658 return ERR_PTR(-EINVAL);
662 static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
664 if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
665 brcmf_set_mpc(ifp, mpc);
668 void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
672 if (check_vif_up(ifp->vif)) {
673 err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
675 brcmf_err("fail to set mpc\n");
678 brcmf_dbg(INFO, "MPC : %d\n", mpc);
682 s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
683 struct brcmf_if *ifp, bool aborted,
686 struct brcmf_scan_params_le params_le;
687 struct cfg80211_scan_request *scan_request;
690 brcmf_dbg(SCAN, "Enter\n");
692 /* clear scan request, because the FW abort can cause a second call */
693 /* to this functon and might cause a double cfg80211_scan_done */
694 scan_request = cfg->scan_request;
695 cfg->scan_request = NULL;
697 if (timer_pending(&cfg->escan_timeout))
698 del_timer_sync(&cfg->escan_timeout);
701 /* Do a scan abort to stop the driver's scan engine */
702 brcmf_dbg(SCAN, "ABORT scan in firmware\n");
703 memset(¶ms_le, 0, sizeof(params_le));
704 eth_broadcast_addr(params_le.bssid);
705 params_le.bss_type = DOT11_BSSTYPE_ANY;
706 params_le.scan_type = 0;
707 params_le.channel_num = cpu_to_le32(1);
708 params_le.nprobes = cpu_to_le32(1);
709 params_le.active_time = cpu_to_le32(-1);
710 params_le.passive_time = cpu_to_le32(-1);
711 params_le.home_time = cpu_to_le32(-1);
712 /* Scan is aborted by setting channel_list[0] to -1 */
713 params_le.channel_list[0] = cpu_to_le16(-1);
714 /* E-Scan (or anyother type) can be aborted by SCAN */
715 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
716 ¶ms_le, sizeof(params_le));
718 brcmf_err("Scan abort failed\n");
721 brcmf_scan_config_mpc(ifp, 1);
724 * e-scan can be initiated by scheduled scan
725 * which takes precedence.
727 if (cfg->sched_escan) {
728 brcmf_dbg(SCAN, "scheduled scan completed\n");
729 cfg->sched_escan = false;
731 cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
732 } else if (scan_request) {
733 brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
734 aborted ? "Aborted" : "Done");
735 cfg80211_scan_done(scan_request, aborted);
737 if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
738 brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
744 int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
746 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
747 struct net_device *ndev = wdev->netdev;
749 /* vif event pending in firmware */
750 if (brcmf_cfg80211_vif_event_armed(cfg))
754 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
755 cfg->escan_info.ifp == netdev_priv(ndev))
756 brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
759 brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
762 switch (wdev->iftype) {
763 case NL80211_IFTYPE_ADHOC:
764 case NL80211_IFTYPE_STATION:
765 case NL80211_IFTYPE_AP:
766 case NL80211_IFTYPE_AP_VLAN:
767 case NL80211_IFTYPE_WDS:
768 case NL80211_IFTYPE_MONITOR:
769 case NL80211_IFTYPE_MESH_POINT:
771 case NL80211_IFTYPE_P2P_CLIENT:
772 case NL80211_IFTYPE_P2P_GO:
773 case NL80211_IFTYPE_P2P_DEVICE:
774 return brcmf_p2p_del_vif(wiphy, wdev);
775 case NL80211_IFTYPE_UNSPECIFIED:
783 brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
784 enum nl80211_iftype type, u32 *flags,
785 struct vif_params *params)
787 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
788 struct brcmf_if *ifp = netdev_priv(ndev);
789 struct brcmf_cfg80211_vif *vif = ifp->vif;
794 brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
797 case NL80211_IFTYPE_MONITOR:
798 case NL80211_IFTYPE_WDS:
799 brcmf_err("type (%d) : currently we do not support this type\n",
802 case NL80211_IFTYPE_ADHOC:
805 case NL80211_IFTYPE_STATION:
806 /* Ignore change for p2p IF. Unclear why supplicant does this */
807 if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
808 (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
809 brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
810 /* WAR: It is unexpected to get a change of VIF for P2P
811 * IF, but it happens. The request can not be handled
812 * but returning EPERM causes a crash. Returning 0
813 * without setting ieee80211_ptr->iftype causes trace
814 * (WARN_ON) but it works with wpa_supplicant
820 case NL80211_IFTYPE_AP:
821 case NL80211_IFTYPE_P2P_GO:
830 if (type == NL80211_IFTYPE_P2P_GO) {
831 brcmf_dbg(INFO, "IF Type = P2P GO\n");
832 err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
835 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
836 brcmf_dbg(INFO, "IF Type = AP\n");
839 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
841 brcmf_err("WLC_SET_INFRA error (%d)\n", err);
845 brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
848 ndev->ieee80211_ptr->iftype = type;
850 brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
853 brcmf_dbg(TRACE, "Exit\n");
858 static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
859 struct brcmf_scan_params_le *params_le,
860 struct cfg80211_scan_request *request)
868 struct brcmf_ssid_le ssid_le;
870 eth_broadcast_addr(params_le->bssid);
871 params_le->bss_type = DOT11_BSSTYPE_ANY;
872 params_le->scan_type = 0;
873 params_le->channel_num = 0;
874 params_le->nprobes = cpu_to_le32(-1);
875 params_le->active_time = cpu_to_le32(-1);
876 params_le->passive_time = cpu_to_le32(-1);
877 params_le->home_time = cpu_to_le32(-1);
878 memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le));
880 /* if request is null exit so it will be all channel broadcast scan */
884 n_ssids = request->n_ssids;
885 n_channels = request->n_channels;
886 /* Copy channel array if applicable */
887 brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
889 if (n_channels > 0) {
890 for (i = 0; i < n_channels; i++) {
891 chanspec = channel_to_chanspec(&cfg->d11inf,
892 request->channels[i]);
893 brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
894 request->channels[i]->hw_value, chanspec);
895 params_le->channel_list[i] = cpu_to_le16(chanspec);
898 brcmf_dbg(SCAN, "Scanning all channels\n");
900 /* Copy ssid array if applicable */
901 brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
903 offset = offsetof(struct brcmf_scan_params_le, channel_list) +
904 n_channels * sizeof(u16);
905 offset = roundup(offset, sizeof(u32));
906 ptr = (char *)params_le + offset;
907 for (i = 0; i < n_ssids; i++) {
908 memset(&ssid_le, 0, sizeof(ssid_le));
910 cpu_to_le32(request->ssids[i].ssid_len);
911 memcpy(ssid_le.SSID, request->ssids[i].ssid,
912 request->ssids[i].ssid_len);
913 if (!ssid_le.SSID_len)
914 brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
916 brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
917 i, ssid_le.SSID, ssid_le.SSID_len);
918 memcpy(ptr, &ssid_le, sizeof(ssid_le));
919 ptr += sizeof(ssid_le);
922 brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
923 if ((request->ssids) && request->ssids->ssid_len) {
924 brcmf_dbg(SCAN, "SSID %s len=%d\n",
925 params_le->ssid_le.SSID,
926 request->ssids->ssid_len);
927 params_le->ssid_le.SSID_len =
928 cpu_to_le32(request->ssids->ssid_len);
929 memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid,
930 request->ssids->ssid_len);
933 /* Adding mask to channel numbers */
934 params_le->channel_num =
935 cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
936 (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
940 brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
941 struct cfg80211_scan_request *request, u16 action)
943 s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
944 offsetof(struct brcmf_escan_params_le, params_le);
945 struct brcmf_escan_params_le *params;
948 brcmf_dbg(SCAN, "E-SCAN START\n");
950 if (request != NULL) {
951 /* Allocate space for populating ssids in struct */
952 params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
954 /* Allocate space for populating ssids in struct */
955 params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
958 params = kzalloc(params_size, GFP_KERNEL);
963 BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
964 brcmf_escan_prep(cfg, ¶ms->params_le, request);
965 params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
966 params->action = cpu_to_le16(action);
967 params->sync_id = cpu_to_le16(0x1234);
969 err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
972 brcmf_dbg(INFO, "system busy : escan canceled\n");
974 brcmf_err("error (%d)\n", err);
983 brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
984 struct brcmf_if *ifp, struct cfg80211_scan_request *request)
988 struct brcmf_scan_results *results;
989 struct escan_info *escan = &cfg->escan_info;
991 brcmf_dbg(SCAN, "Enter\n");
993 escan->wiphy = wiphy;
994 escan->escan_state = WL_ESCAN_STATE_SCANNING;
995 passive_scan = cfg->active_scan ? 0 : 1;
996 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
999 brcmf_err("error (%d)\n", err);
1002 brcmf_scan_config_mpc(ifp, 0);
1003 results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
1004 results->version = 0;
1006 results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
1008 err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
1010 brcmf_scan_config_mpc(ifp, 1);
1015 brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
1016 struct cfg80211_scan_request *request,
1017 struct cfg80211_ssid *this_ssid)
1019 struct brcmf_if *ifp = vif->ifp;
1020 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1021 struct cfg80211_ssid *ssids;
1022 struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
1029 brcmf_dbg(SCAN, "START ESCAN\n");
1031 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
1032 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
1035 if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
1036 brcmf_err("Scanning being aborted: status (%lu)\n",
1040 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
1041 brcmf_err("Scanning suppressed: status (%lu)\n",
1045 if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
1046 brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
1050 /* If scan req comes for p2p0, send it over primary I/F */
1051 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
1052 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
1057 ssids = request->ssids;
1061 /* we don't do escan in ibss */
1065 cfg->scan_request = request;
1066 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
1068 cfg->escan_info.run = brcmf_run_escan;
1069 err = brcmf_p2p_scan_prep(wiphy, request, vif);
1073 err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
1077 brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
1078 ssids->ssid, ssids->ssid_len);
1079 memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
1080 SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
1081 sr->ssid_le.SSID_len = cpu_to_le32(0);
1084 memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
1085 sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
1088 brcmf_dbg(SCAN, "Broadcast scan\n");
1090 passive_scan = cfg->active_scan ? 0 : 1;
1091 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
1094 brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
1097 brcmf_scan_config_mpc(ifp, 0);
1098 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
1099 &sr->ssid_le, sizeof(sr->ssid_le));
1102 brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
1105 brcmf_err("WLC_SCAN error (%d)\n", err);
1107 brcmf_scan_config_mpc(ifp, 1);
1112 /* Arm scan timeout timer */
1113 mod_timer(&cfg->escan_timeout, jiffies +
1114 WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
1119 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
1120 cfg->scan_request = NULL;
1125 brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
1127 struct brcmf_cfg80211_vif *vif;
1130 brcmf_dbg(TRACE, "Enter\n");
1131 vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
1132 if (!check_vif_up(vif))
1135 err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
1138 brcmf_err("scan error (%d)\n", err);
1140 brcmf_dbg(TRACE, "Exit\n");
1144 static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
1148 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
1151 brcmf_err("Error (%d)\n", err);
1156 static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
1160 err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
1163 brcmf_err("Error (%d)\n", err);
1168 static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
1171 u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
1173 err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
1175 brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
1181 static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1183 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1184 struct net_device *ndev = cfg_to_ndev(cfg);
1185 struct brcmf_if *ifp = netdev_priv(ndev);
1188 brcmf_dbg(TRACE, "Enter\n");
1189 if (!check_vif_up(ifp->vif))
1192 if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
1193 (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
1194 cfg->conf->rts_threshold = wiphy->rts_threshold;
1195 err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
1199 if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
1200 (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
1201 cfg->conf->frag_threshold = wiphy->frag_threshold;
1202 err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
1206 if (changed & WIPHY_PARAM_RETRY_LONG
1207 && (cfg->conf->retry_long != wiphy->retry_long)) {
1208 cfg->conf->retry_long = wiphy->retry_long;
1209 err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
1213 if (changed & WIPHY_PARAM_RETRY_SHORT
1214 && (cfg->conf->retry_short != wiphy->retry_short)) {
1215 cfg->conf->retry_short = wiphy->retry_short;
1216 err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
1222 brcmf_dbg(TRACE, "Exit\n");
1226 static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
1228 memset(prof, 0, sizeof(*prof));
1231 static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e)
1235 switch (e->event_code) {
1236 case BRCMF_E_DEAUTH:
1237 case BRCMF_E_DEAUTH_IND:
1238 case BRCMF_E_DISASSOC_IND:
1249 static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason)
1251 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
1254 brcmf_dbg(TRACE, "Enter\n");
1256 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
1257 brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
1258 err = brcmf_fil_cmd_data_set(vif->ifp,
1259 BRCMF_C_DISASSOC, NULL, 0);
1261 brcmf_err("WLC_DISASSOC failed (%d)\n", err);
1263 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
1264 cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0,
1268 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
1269 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
1270 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
1271 brcmf_dbg(TRACE, "Exit\n");
1275 brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1276 struct cfg80211_ibss_params *params)
1278 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1279 struct brcmf_if *ifp = netdev_priv(ndev);
1280 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1281 struct brcmf_join_params join_params;
1282 size_t join_params_size = 0;
1288 brcmf_dbg(TRACE, "Enter\n");
1289 if (!check_vif_up(ifp->vif))
1293 brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
1295 brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
1299 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1302 brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
1304 brcmf_dbg(CONN, "No BSSID specified\n");
1306 if (params->chandef.chan)
1307 brcmf_dbg(CONN, "channel: %d\n",
1308 params->chandef.chan->center_freq);
1310 brcmf_dbg(CONN, "no channel specified\n");
1312 if (params->channel_fixed)
1313 brcmf_dbg(CONN, "fixed channel required\n");
1315 brcmf_dbg(CONN, "no fixed channel required\n");
1317 if (params->ie && params->ie_len)
1318 brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
1320 brcmf_dbg(CONN, "no ie specified\n");
1322 if (params->beacon_interval)
1323 brcmf_dbg(CONN, "beacon interval: %d\n",
1324 params->beacon_interval);
1326 brcmf_dbg(CONN, "no beacon interval specified\n");
1328 if (params->basic_rates)
1329 brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
1331 brcmf_dbg(CONN, "no basic rates specified\n");
1333 if (params->privacy)
1334 brcmf_dbg(CONN, "privacy required\n");
1336 brcmf_dbg(CONN, "no privacy required\n");
1338 /* Configure Privacy for starter */
1339 if (params->privacy)
1340 wsec |= WEP_ENABLED;
1342 err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
1344 brcmf_err("wsec failed (%d)\n", err);
1348 /* Configure Beacon Interval for starter */
1349 if (params->beacon_interval)
1350 bcnprd = params->beacon_interval;
1354 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
1356 brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
1360 /* Configure required join parameter */
1361 memset(&join_params, 0, sizeof(struct brcmf_join_params));
1364 profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
1365 memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
1366 memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
1367 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1368 join_params_size = sizeof(join_params.ssid_le);
1371 if (params->bssid) {
1372 memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
1373 join_params_size = sizeof(join_params.ssid_le) +
1374 BRCMF_ASSOC_PARAMS_FIXED_SIZE;
1375 memcpy(profile->bssid, params->bssid, ETH_ALEN);
1377 eth_broadcast_addr(join_params.params_le.bssid);
1378 eth_zero_addr(profile->bssid);
1382 if (params->chandef.chan) {
1386 ieee80211_frequency_to_channel(
1387 params->chandef.chan->center_freq);
1388 if (params->channel_fixed) {
1389 /* adding chanspec */
1390 chanspec = chandef_to_chanspec(&cfg->d11inf,
1392 join_params.params_le.chanspec_list[0] =
1393 cpu_to_le16(chanspec);
1394 join_params.params_le.chanspec_num = cpu_to_le32(1);
1395 join_params_size += sizeof(join_params.params_le);
1398 /* set channel for starter */
1399 target_channel = cfg->channel;
1400 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
1403 brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
1409 cfg->ibss_starter = false;
1412 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
1413 &join_params, join_params_size);
1415 brcmf_err("WLC_SET_SSID failed (%d)\n", err);
1421 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1422 brcmf_dbg(TRACE, "Exit\n");
1427 brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1429 struct brcmf_if *ifp = netdev_priv(ndev);
1431 brcmf_dbg(TRACE, "Enter\n");
1432 if (!check_vif_up(ifp->vif))
1435 brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING);
1437 brcmf_dbg(TRACE, "Exit\n");
1442 static s32 brcmf_set_wpa_version(struct net_device *ndev,
1443 struct cfg80211_connect_params *sme)
1445 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1446 struct brcmf_cfg80211_security *sec;
1450 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
1451 val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
1452 else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
1453 val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
1455 val = WPA_AUTH_DISABLED;
1456 brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
1457 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
1459 brcmf_err("set wpa_auth failed (%d)\n", err);
1462 sec = &profile->sec;
1463 sec->wpa_versions = sme->crypto.wpa_versions;
1467 static s32 brcmf_set_auth_type(struct net_device *ndev,
1468 struct cfg80211_connect_params *sme)
1470 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1471 struct brcmf_cfg80211_security *sec;
1475 switch (sme->auth_type) {
1476 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1478 brcmf_dbg(CONN, "open system\n");
1480 case NL80211_AUTHTYPE_SHARED_KEY:
1482 brcmf_dbg(CONN, "shared key\n");
1484 case NL80211_AUTHTYPE_AUTOMATIC:
1486 brcmf_dbg(CONN, "automatic\n");
1488 case NL80211_AUTHTYPE_NETWORK_EAP:
1489 brcmf_dbg(CONN, "network eap\n");
1492 brcmf_err("invalid auth type (%d)\n", sme->auth_type);
1496 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1498 brcmf_err("set auth failed (%d)\n", err);
1501 sec = &profile->sec;
1502 sec->auth_type = sme->auth_type;
1507 brcmf_set_wsec_mode(struct net_device *ndev,
1508 struct cfg80211_connect_params *sme, bool mfp)
1510 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1511 struct brcmf_cfg80211_security *sec;
1517 if (sme->crypto.n_ciphers_pairwise) {
1518 switch (sme->crypto.ciphers_pairwise[0]) {
1519 case WLAN_CIPHER_SUITE_WEP40:
1520 case WLAN_CIPHER_SUITE_WEP104:
1523 case WLAN_CIPHER_SUITE_TKIP:
1524 pval = TKIP_ENABLED;
1526 case WLAN_CIPHER_SUITE_CCMP:
1529 case WLAN_CIPHER_SUITE_AES_CMAC:
1533 brcmf_err("invalid cipher pairwise (%d)\n",
1534 sme->crypto.ciphers_pairwise[0]);
1538 if (sme->crypto.cipher_group) {
1539 switch (sme->crypto.cipher_group) {
1540 case WLAN_CIPHER_SUITE_WEP40:
1541 case WLAN_CIPHER_SUITE_WEP104:
1544 case WLAN_CIPHER_SUITE_TKIP:
1545 gval = TKIP_ENABLED;
1547 case WLAN_CIPHER_SUITE_CCMP:
1550 case WLAN_CIPHER_SUITE_AES_CMAC:
1554 brcmf_err("invalid cipher group (%d)\n",
1555 sme->crypto.cipher_group);
1560 brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
1561 /* In case of privacy, but no security and WPS then simulate */
1562 /* setting AES. WPS-2.0 allows no security */
1563 if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
1568 wsec = pval | gval | MFP_CAPABLE;
1571 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
1573 brcmf_err("error (%d)\n", err);
1577 sec = &profile->sec;
1578 sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
1579 sec->cipher_group = sme->crypto.cipher_group;
1585 brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
1587 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1588 struct brcmf_cfg80211_security *sec;
1592 if (sme->crypto.n_akm_suites) {
1593 err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
1596 brcmf_err("could not get wpa_auth (%d)\n", err);
1599 if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
1600 switch (sme->crypto.akm_suites[0]) {
1601 case WLAN_AKM_SUITE_8021X:
1602 val = WPA_AUTH_UNSPECIFIED;
1604 case WLAN_AKM_SUITE_PSK:
1608 brcmf_err("invalid cipher group (%d)\n",
1609 sme->crypto.cipher_group);
1612 } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
1613 switch (sme->crypto.akm_suites[0]) {
1614 case WLAN_AKM_SUITE_8021X:
1615 val = WPA2_AUTH_UNSPECIFIED;
1617 case WLAN_AKM_SUITE_PSK:
1618 val = WPA2_AUTH_PSK;
1621 brcmf_err("invalid cipher group (%d)\n",
1622 sme->crypto.cipher_group);
1627 brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
1628 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
1631 brcmf_err("could not set wpa_auth (%d)\n", err);
1635 sec = &profile->sec;
1636 sec->wpa_auth = sme->crypto.akm_suites[0];
1642 brcmf_set_sharedkey(struct net_device *ndev,
1643 struct cfg80211_connect_params *sme)
1645 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
1646 struct brcmf_cfg80211_security *sec;
1647 struct brcmf_wsec_key key;
1651 brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
1653 if (sme->key_len == 0)
1656 sec = &profile->sec;
1657 brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
1658 sec->wpa_versions, sec->cipher_pairwise);
1660 if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1663 if (!(sec->cipher_pairwise &
1664 (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
1667 memset(&key, 0, sizeof(key));
1668 key.len = (u32) sme->key_len;
1669 key.index = (u32) sme->key_idx;
1670 if (key.len > sizeof(key.data)) {
1671 brcmf_err("Too long key length (%u)\n", key.len);
1674 memcpy(key.data, sme->key, key.len);
1675 key.flags = BRCMF_PRIMARY_KEY;
1676 switch (sec->cipher_pairwise) {
1677 case WLAN_CIPHER_SUITE_WEP40:
1678 key.algo = CRYPTO_ALGO_WEP1;
1680 case WLAN_CIPHER_SUITE_WEP104:
1681 key.algo = CRYPTO_ALGO_WEP128;
1684 brcmf_err("Invalid algorithm (%d)\n",
1685 sme->crypto.ciphers_pairwise[0]);
1688 /* Set the new key/index */
1689 brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
1690 key.len, key.index, key.algo);
1691 brcmf_dbg(CONN, "key \"%s\"\n", key.data);
1692 err = send_key_to_dongle(netdev_priv(ndev), &key);
1696 if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
1697 brcmf_dbg(CONN, "set auth_type to shared key\n");
1698 val = WL_AUTH_SHARED_KEY; /* shared key */
1699 err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
1701 brcmf_err("set auth failed (%d)\n", err);
1707 enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
1708 enum nl80211_auth_type type)
1710 if (type == NL80211_AUTHTYPE_AUTOMATIC &&
1711 brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
1712 brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
1713 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1719 brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
1720 struct cfg80211_connect_params *sme)
1722 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1723 struct brcmf_if *ifp = netdev_priv(ndev);
1724 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1725 struct ieee80211_channel *chan = sme->channel;
1726 struct brcmf_join_params join_params;
1727 size_t join_params_size;
1728 const struct brcmf_tlv *rsn_ie;
1729 const struct brcmf_vs_tlv *wpa_ie;
1732 struct brcmf_ext_join_params_le *ext_join_params;
1736 brcmf_dbg(TRACE, "Enter\n");
1737 if (!check_vif_up(ifp->vif))
1741 brcmf_err("Invalid ssid\n");
1745 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
1746 /* A normal (non P2P) connection request setup. */
1749 /* find the WPA_IE */
1750 wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
1753 ie_len = wpa_ie->len + TLV_HDR_LEN;
1755 /* find the RSN_IE */
1756 rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
1761 ie_len = rsn_ie->len + TLV_HDR_LEN;
1764 brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
1767 err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
1768 sme->ie, sme->ie_len);
1770 brcmf_err("Set Assoc REQ IE Failed\n");
1772 brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
1774 set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1778 ieee80211_frequency_to_channel(chan->center_freq);
1779 chanspec = channel_to_chanspec(&cfg->d11inf, chan);
1780 brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
1781 cfg->channel, chan->center_freq, chanspec);
1787 brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
1789 err = brcmf_set_wpa_version(ndev, sme);
1791 brcmf_err("wl_set_wpa_version failed (%d)\n", err);
1795 sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
1796 err = brcmf_set_auth_type(ndev, sme);
1798 brcmf_err("wl_set_auth_type failed (%d)\n", err);
1802 err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
1804 brcmf_err("wl_set_set_cipher failed (%d)\n", err);
1808 err = brcmf_set_key_mgmt(ndev, sme);
1810 brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
1814 err = brcmf_set_sharedkey(ndev, sme);
1816 brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
1820 profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
1821 (u32)sme->ssid_len);
1822 memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
1823 if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
1824 profile->ssid.SSID[profile->ssid.SSID_len] = 0;
1825 brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
1826 profile->ssid.SSID_len);
1829 /* Join with specific BSSID and cached SSID
1830 * If SSID is zero join based on BSSID only
1832 join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
1833 offsetof(struct brcmf_assoc_params_le, chanspec_list);
1835 join_params_size += sizeof(u16);
1836 ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
1837 if (ext_join_params == NULL) {
1841 ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1842 memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
1843 profile->ssid.SSID_len);
1845 /* Set up join scan parameters */
1846 ext_join_params->scan_le.scan_type = -1;
1847 ext_join_params->scan_le.home_time = cpu_to_le32(-1);
1850 memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
1852 eth_broadcast_addr(ext_join_params->assoc_le.bssid);
1855 ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
1857 ext_join_params->assoc_le.chanspec_list[0] =
1858 cpu_to_le16(chanspec);
1859 /* Increase dwell time to receive probe response or detect
1860 * beacon from target AP at a noisy air only during connect
1863 ext_join_params->scan_le.active_time =
1864 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
1865 ext_join_params->scan_le.passive_time =
1866 cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
1867 /* To sync with presence period of VSDB GO send probe request
1868 * more frequently. Probe request will be stopped when it gets
1869 * probe response from target AP/GO.
1871 ext_join_params->scan_le.nprobes =
1872 cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
1873 BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
1875 ext_join_params->scan_le.active_time = cpu_to_le32(-1);
1876 ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
1877 ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
1880 err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
1882 kfree(ext_join_params);
1884 /* This is it. join command worked, we are done */
1887 /* join command failed, fallback to set ssid */
1888 memset(&join_params, 0, sizeof(join_params));
1889 join_params_size = sizeof(join_params.ssid_le);
1891 memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
1892 join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
1895 memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
1897 eth_broadcast_addr(join_params.params_le.bssid);
1900 join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
1901 join_params.params_le.chanspec_num = cpu_to_le32(1);
1902 join_params_size += sizeof(join_params.params_le);
1904 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
1905 &join_params, join_params_size);
1907 brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
1911 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1912 brcmf_dbg(TRACE, "Exit\n");
1917 brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1920 struct brcmf_if *ifp = netdev_priv(ndev);
1921 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
1922 struct brcmf_scb_val_le scbval;
1925 brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
1926 if (!check_vif_up(ifp->vif))
1929 clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
1930 clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
1931 cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
1933 memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
1934 scbval.val = cpu_to_le32(reason_code);
1935 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
1936 &scbval, sizeof(scbval));
1938 brcmf_err("error (%d)\n", err);
1940 brcmf_dbg(TRACE, "Exit\n");
1945 brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1946 enum nl80211_tx_power_setting type, s32 mbm)
1949 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1950 struct net_device *ndev = cfg_to_ndev(cfg);
1951 struct brcmf_if *ifp = netdev_priv(ndev);
1955 s32 dbm = MBM_TO_DBM(mbm);
1957 brcmf_dbg(TRACE, "Enter\n");
1958 if (!check_vif_up(ifp->vif))
1962 case NL80211_TX_POWER_AUTOMATIC:
1964 case NL80211_TX_POWER_LIMITED:
1965 case NL80211_TX_POWER_FIXED:
1967 brcmf_err("TX_POWER_FIXED - dbm is negative\n");
1973 /* Make sure radio is off or on as far as software is concerned */
1974 disable = WL_RADIO_SW_DISABLE << 16;
1975 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
1977 brcmf_err("WLC_SET_RADIO error (%d)\n", err);
1982 txpwrmw = (u16) dbm;
1983 err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
1984 (s32)brcmf_mw_to_qdbm(txpwrmw));
1986 brcmf_err("qtxpower error (%d)\n", err);
1987 cfg->conf->tx_power = dbm;
1990 brcmf_dbg(TRACE, "Exit\n");
1994 static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
1995 struct wireless_dev *wdev,
1998 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
1999 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
2004 brcmf_dbg(TRACE, "Enter\n");
2005 if (!check_vif_up(ifp->vif))
2008 err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
2010 brcmf_err("error (%d)\n", err);
2014 result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
2015 *dbm = (s32) brcmf_qdbm_to_mw(result);
2018 brcmf_dbg(TRACE, "Exit\n");
2023 brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
2024 u8 key_idx, bool unicast, bool multicast)
2026 struct brcmf_if *ifp = netdev_priv(ndev);
2031 brcmf_dbg(TRACE, "Enter\n");
2032 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2033 if (!check_vif_up(ifp->vif))
2036 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2038 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
2042 if (wsec & WEP_ENABLED) {
2043 /* Just select a new current key */
2045 err = brcmf_fil_cmd_int_set(ifp,
2046 BRCMF_C_SET_KEY_PRIMARY, index);
2048 brcmf_err("error (%d)\n", err);
2051 brcmf_dbg(TRACE, "Exit\n");
2056 brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
2057 u8 key_idx, const u8 *mac_addr, struct key_params *params)
2059 struct brcmf_if *ifp = netdev_priv(ndev);
2060 struct brcmf_wsec_key key;
2064 memset(&key, 0, sizeof(key));
2065 key.index = (u32) key_idx;
2066 /* Instead of bcast for ea address for default wep keys,
2067 driver needs it to be Null */
2068 if (!is_multicast_ether_addr(mac_addr))
2069 memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
2070 key.len = (u32) params->key_len;
2071 /* check for key index change */
2074 err = send_key_to_dongle(ifp, &key);
2076 brcmf_err("key delete error (%d)\n", err);
2078 if (key.len > sizeof(key.data)) {
2079 brcmf_err("Invalid key length (%d)\n", key.len);
2083 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
2084 memcpy(key.data, params->key, key.len);
2086 if (!brcmf_is_apmode(ifp->vif) &&
2087 (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
2088 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
2089 memcpy(keybuf, &key.data[24], sizeof(keybuf));
2090 memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
2091 memcpy(&key.data[16], keybuf, sizeof(keybuf));
2094 /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
2095 if (params->seq && params->seq_len == 6) {
2098 ivptr = (u8 *) params->seq;
2099 key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
2100 (ivptr[3] << 8) | ivptr[2];
2101 key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
2102 key.iv_initialized = true;
2105 switch (params->cipher) {
2106 case WLAN_CIPHER_SUITE_WEP40:
2107 key.algo = CRYPTO_ALGO_WEP1;
2108 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2110 case WLAN_CIPHER_SUITE_WEP104:
2111 key.algo = CRYPTO_ALGO_WEP128;
2112 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2114 case WLAN_CIPHER_SUITE_TKIP:
2115 key.algo = CRYPTO_ALGO_TKIP;
2116 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2118 case WLAN_CIPHER_SUITE_AES_CMAC:
2119 key.algo = CRYPTO_ALGO_AES_CCM;
2120 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2122 case WLAN_CIPHER_SUITE_CCMP:
2123 key.algo = CRYPTO_ALGO_AES_CCM;
2124 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
2127 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
2130 err = send_key_to_dongle(ifp, &key);
2132 brcmf_err("wsec_key error (%d)\n", err);
2138 brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
2139 u8 key_idx, bool pairwise, const u8 *mac_addr,
2140 struct key_params *params)
2142 struct brcmf_if *ifp = netdev_priv(ndev);
2143 struct brcmf_wsec_key *key;
2149 brcmf_dbg(TRACE, "Enter\n");
2150 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2151 if (!check_vif_up(ifp->vif))
2154 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2155 /* we ignore this key index in this case */
2156 brcmf_err("invalid key index (%d)\n", key_idx);
2161 (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
2162 (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
2163 brcmf_dbg(TRACE, "Exit");
2164 return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
2167 key = &ifp->vif->profile.key[key_idx];
2168 memset(key, 0, sizeof(*key));
2170 if (params->key_len > sizeof(key->data)) {
2171 brcmf_err("Too long key length (%u)\n", params->key_len);
2175 key->len = params->key_len;
2176 key->index = key_idx;
2178 memcpy(key->data, params->key, key->len);
2180 key->flags = BRCMF_PRIMARY_KEY;
2181 switch (params->cipher) {
2182 case WLAN_CIPHER_SUITE_WEP40:
2183 key->algo = CRYPTO_ALGO_WEP1;
2185 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2187 case WLAN_CIPHER_SUITE_WEP104:
2188 key->algo = CRYPTO_ALGO_WEP128;
2190 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2192 case WLAN_CIPHER_SUITE_TKIP:
2193 if (!brcmf_is_apmode(ifp->vif)) {
2194 brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
2195 memcpy(keybuf, &key->data[24], sizeof(keybuf));
2196 memcpy(&key->data[24], &key->data[16], sizeof(keybuf));
2197 memcpy(&key->data[16], keybuf, sizeof(keybuf));
2199 key->algo = CRYPTO_ALGO_TKIP;
2201 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2203 case WLAN_CIPHER_SUITE_AES_CMAC:
2204 key->algo = CRYPTO_ALGO_AES_CCM;
2206 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2208 case WLAN_CIPHER_SUITE_CCMP:
2209 key->algo = CRYPTO_ALGO_AES_CCM;
2211 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
2214 brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
2219 err = send_key_to_dongle(ifp, key);
2223 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2225 brcmf_err("get wsec error (%d)\n", err);
2229 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2231 brcmf_err("set wsec error (%d)\n", err);
2236 brcmf_dbg(TRACE, "Exit\n");
2241 brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
2242 u8 key_idx, bool pairwise, const u8 *mac_addr)
2244 struct brcmf_if *ifp = netdev_priv(ndev);
2245 struct brcmf_wsec_key key;
2248 brcmf_dbg(TRACE, "Enter\n");
2249 if (!check_vif_up(ifp->vif))
2252 if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) {
2253 /* we ignore this key index in this case */
2257 memset(&key, 0, sizeof(key));
2259 key.index = (u32) key_idx;
2260 key.flags = BRCMF_PRIMARY_KEY;
2261 key.algo = CRYPTO_ALGO_OFF;
2263 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2265 /* Set the new key/index */
2266 err = send_key_to_dongle(ifp, &key);
2268 brcmf_dbg(TRACE, "Exit\n");
2273 brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
2274 u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
2275 void (*callback) (void *cookie, struct key_params * params))
2277 struct key_params params;
2278 struct brcmf_if *ifp = netdev_priv(ndev);
2279 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2280 struct brcmf_cfg80211_security *sec;
2284 brcmf_dbg(TRACE, "Enter\n");
2285 brcmf_dbg(CONN, "key index (%d)\n", key_idx);
2286 if (!check_vif_up(ifp->vif))
2289 memset(¶ms, 0, sizeof(params));
2291 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2293 brcmf_err("WLC_GET_WSEC error (%d)\n", err);
2294 /* Ignore this error, may happen during DISASSOC */
2298 if (wsec & WEP_ENABLED) {
2299 sec = &profile->sec;
2300 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
2301 params.cipher = WLAN_CIPHER_SUITE_WEP40;
2302 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
2303 } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
2304 params.cipher = WLAN_CIPHER_SUITE_WEP104;
2305 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
2307 } else if (wsec & TKIP_ENABLED) {
2308 params.cipher = WLAN_CIPHER_SUITE_TKIP;
2309 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
2310 } else if (wsec & AES_ENABLED) {
2311 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
2312 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
2314 brcmf_err("Invalid algo (0x%x)\n", wsec);
2318 callback(cookie, ¶ms);
2321 brcmf_dbg(TRACE, "Exit\n");
2326 brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
2327 struct net_device *ndev, u8 key_idx)
2329 brcmf_dbg(INFO, "Not supported\n");
2335 brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp)
2339 struct brcmf_wsec_key *key;
2342 for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) {
2343 key = &ifp->vif->profile.key[key_idx];
2344 if ((key->algo == CRYPTO_ALGO_WEP1) ||
2345 (key->algo == CRYPTO_ALGO_WEP128))
2348 if (key_idx == BRCMF_MAX_DEFAULT_KEYS)
2351 err = send_key_to_dongle(ifp, key);
2353 brcmf_err("Setting WEP key failed (%d)\n", err);
2356 err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
2358 brcmf_err("get wsec error (%d)\n", err);
2361 wsec |= WEP_ENABLED;
2362 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
2364 brcmf_err("set wsec error (%d)\n", err);
2368 brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
2369 const u8 *mac, struct station_info *sinfo)
2371 struct brcmf_if *ifp = netdev_priv(ndev);
2372 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
2373 struct brcmf_scb_val_le scb_val;
2377 u8 *bssid = profile->bssid;
2378 struct brcmf_sta_info_le sta_info_le;
2382 brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
2383 if (!check_vif_up(ifp->vif))
2386 if (brcmf_is_apmode(ifp->vif)) {
2387 memcpy(&sta_info_le, mac, ETH_ALEN);
2388 err = brcmf_fil_iovar_data_get(ifp, "sta_info",
2390 sizeof(sta_info_le));
2392 brcmf_err("GET STA INFO failed, %d\n", err);
2395 sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME);
2396 sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
2397 if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
2398 sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME);
2399 sinfo->connected_time = le32_to_cpu(sta_info_le.in);
2401 brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
2402 sinfo->inactive_time, sinfo->connected_time);
2403 } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
2404 if (memcmp(mac, bssid, ETH_ALEN)) {
2405 brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
2410 /* Report the current tx rate */
2411 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
2413 brcmf_err("Could not get rate (%d)\n", err);
2416 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
2417 sinfo->txrate.legacy = rate * 5;
2418 brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
2421 if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
2422 &ifp->vif->sme_state)) {
2423 memset(&scb_val, 0, sizeof(scb_val));
2424 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
2425 &scb_val, sizeof(scb_val));
2427 brcmf_err("Could not get rssi (%d)\n", err);
2430 rssi = le32_to_cpu(scb_val.val);
2431 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
2432 sinfo->signal = rssi;
2433 brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
2435 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
2438 brcmf_err("Could not get beacon period (%d)\n",
2442 sinfo->bss_param.beacon_interval =
2444 brcmf_dbg(CONN, "Beacon peroid %d\n",
2447 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
2450 brcmf_err("Could not get DTIM period (%d)\n",
2454 sinfo->bss_param.dtim_period = dtim_period;
2455 brcmf_dbg(CONN, "DTIM peroid %d\n",
2458 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
2463 brcmf_dbg(TRACE, "Exit\n");
2468 brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
2469 bool enabled, s32 timeout)
2473 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2474 struct brcmf_if *ifp = netdev_priv(ndev);
2476 brcmf_dbg(TRACE, "Enter\n");
2479 * Powersave enable/disable request is coming from the
2480 * cfg80211 even before the interface is up. In that
2481 * scenario, driver will be storing the power save
2482 * preference in cfg struct to apply this to
2483 * FW later while initializing the dongle
2485 cfg->pwr_save = enabled;
2486 if (!check_vif_up(ifp->vif)) {
2488 brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
2492 pm = enabled ? PM_FAST : PM_OFF;
2493 /* Do not enable the power save after assoc if it is a p2p interface */
2494 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
2495 brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
2498 brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
2500 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
2503 brcmf_err("net_device is not ready yet\n");
2505 brcmf_err("error (%d)\n", err);
2508 brcmf_dbg(TRACE, "Exit\n");
2512 static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
2513 struct brcmf_bss_info_le *bi)
2515 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2516 struct ieee80211_channel *notify_channel;
2517 struct cfg80211_bss *bss;
2518 struct ieee80211_supported_band *band;
2519 struct brcmu_chan ch;
2522 u16 notify_capability;
2523 u16 notify_interval;
2525 size_t notify_ielen;
2528 if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
2529 brcmf_err("Bss info is larger than buffer. Discarding\n");
2534 ch.chspec = le16_to_cpu(bi->chanspec);
2535 cfg->d11inf.decchspec(&ch);
2536 bi->ctl_ch = ch.chnum;
2538 channel = bi->ctl_ch;
2540 if (channel <= CH_MAX_2G_CHANNEL)
2541 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2543 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2545 freq = ieee80211_channel_to_frequency(channel, band->band);
2546 notify_channel = ieee80211_get_channel(wiphy, freq);
2548 notify_capability = le16_to_cpu(bi->capability);
2549 notify_interval = le16_to_cpu(bi->beacon_period);
2550 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2551 notify_ielen = le32_to_cpu(bi->ie_length);
2552 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2554 brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
2555 brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
2556 brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
2557 brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
2558 brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
2560 bss = cfg80211_inform_bss(wiphy, notify_channel,
2561 CFG80211_BSS_FTYPE_UNKNOWN,
2562 (const u8 *)bi->BSSID,
2563 0, notify_capability,
2564 notify_interval, notify_ie,
2565 notify_ielen, notify_signal,
2571 cfg80211_put_bss(wiphy, bss);
2576 static struct brcmf_bss_info_le *
2577 next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
2580 return list->bss_info_le;
2581 return (struct brcmf_bss_info_le *)((unsigned long)bss +
2582 le32_to_cpu(bss->length));
2585 static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
2587 struct brcmf_scan_results *bss_list;
2588 struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
2592 bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
2593 if (bss_list->count != 0 &&
2594 bss_list->version != BRCMF_BSS_INFO_VERSION) {
2595 brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
2599 brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
2600 for (i = 0; i < bss_list->count; i++) {
2601 bi = next_bss_le(bss_list, bi);
2602 err = brcmf_inform_single_bss(cfg, bi);
2609 static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
2610 struct net_device *ndev, const u8 *bssid)
2612 struct wiphy *wiphy = cfg_to_wiphy(cfg);
2613 struct ieee80211_channel *notify_channel;
2614 struct brcmf_bss_info_le *bi = NULL;
2615 struct ieee80211_supported_band *band;
2616 struct cfg80211_bss *bss;
2617 struct brcmu_chan ch;
2621 u16 notify_capability;
2622 u16 notify_interval;
2624 size_t notify_ielen;
2627 brcmf_dbg(TRACE, "Enter\n");
2629 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
2635 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
2637 err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
2638 buf, WL_BSS_INFO_MAX);
2640 brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
2644 bi = (struct brcmf_bss_info_le *)(buf + 4);
2646 ch.chspec = le16_to_cpu(bi->chanspec);
2647 cfg->d11inf.decchspec(&ch);
2649 if (ch.band == BRCMU_CHAN_BAND_2G)
2650 band = wiphy->bands[IEEE80211_BAND_2GHZ];
2652 band = wiphy->bands[IEEE80211_BAND_5GHZ];
2654 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
2655 notify_channel = ieee80211_get_channel(wiphy, freq);
2657 notify_capability = le16_to_cpu(bi->capability);
2658 notify_interval = le16_to_cpu(bi->beacon_period);
2659 notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
2660 notify_ielen = le32_to_cpu(bi->ie_length);
2661 notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
2663 brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
2664 brcmf_dbg(CONN, "capability: %X\n", notify_capability);
2665 brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
2666 brcmf_dbg(CONN, "signal: %d\n", notify_signal);
2668 bss = cfg80211_inform_bss(wiphy, notify_channel,
2669 CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
2670 notify_capability, notify_interval,
2671 notify_ie, notify_ielen, notify_signal,
2679 cfg80211_put_bss(wiphy, bss);
2685 brcmf_dbg(TRACE, "Exit\n");
2690 static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
2691 struct brcmf_if *ifp)
2693 struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
2694 struct brcmf_bss_info_le *bi;
2695 struct brcmf_ssid *ssid;
2696 const struct brcmf_tlv *tim;
2697 u16 beacon_interval;
2703 brcmf_dbg(TRACE, "Enter\n");
2704 if (brcmf_is_ibssmode(ifp->vif))
2707 ssid = &profile->ssid;
2709 *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
2710 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
2711 cfg->extra_buf, WL_EXTRA_BUF_MAX);
2713 brcmf_err("Could not get bss info %d\n", err);
2714 goto update_bss_info_out;
2717 bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
2718 err = brcmf_inform_single_bss(cfg, bi);
2720 goto update_bss_info_out;
2722 ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
2723 ie_len = le32_to_cpu(bi->ie_length);
2724 beacon_interval = le16_to_cpu(bi->beacon_period);
2726 tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
2728 dtim_period = tim->data[1];
2731 * active scan was done so we could not get dtim
2732 * information out of probe response.
2733 * so we speficially query dtim information to dongle.
2736 err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
2738 brcmf_err("wl dtim_assoc failed (%d)\n", err);
2739 goto update_bss_info_out;
2741 dtim_period = (u8)var;
2744 update_bss_info_out:
2745 brcmf_dbg(TRACE, "Exit");
2749 void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
2751 struct escan_info *escan = &cfg->escan_info;
2753 set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
2754 if (cfg->scan_request) {
2755 escan->escan_state = WL_ESCAN_STATE_IDLE;
2756 brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
2758 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
2759 clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
2762 static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
2764 struct brcmf_cfg80211_info *cfg =
2765 container_of(work, struct brcmf_cfg80211_info,
2766 escan_timeout_work);
2768 brcmf_inform_bss(cfg);
2769 brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
2772 static void brcmf_escan_timeout(unsigned long data)
2774 struct brcmf_cfg80211_info *cfg =
2775 (struct brcmf_cfg80211_info *)data;
2777 if (cfg->scan_request) {
2778 brcmf_err("timer expired\n");
2779 schedule_work(&cfg->escan_timeout_work);
2784 brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
2785 struct brcmf_bss_info_le *bss,
2786 struct brcmf_bss_info_le *bss_info_le)
2788 struct brcmu_chan ch_bss, ch_bss_info_le;
2790 ch_bss.chspec = le16_to_cpu(bss->chanspec);
2791 cfg->d11inf.decchspec(&ch_bss);
2792 ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
2793 cfg->d11inf.decchspec(&ch_bss_info_le);
2795 if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
2796 ch_bss.band == ch_bss_info_le.band &&
2797 bss_info_le->SSID_len == bss->SSID_len &&
2798 !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
2799 if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
2800 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
2801 s16 bss_rssi = le16_to_cpu(bss->RSSI);
2802 s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
2804 /* preserve max RSSI if the measurements are
2805 * both on-channel or both off-channel
2807 if (bss_info_rssi > bss_rssi)
2808 bss->RSSI = bss_info_le->RSSI;
2809 } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
2810 (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
2811 /* preserve the on-channel rssi measurement
2812 * if the new measurement is off channel
2814 bss->RSSI = bss_info_le->RSSI;
2815 bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
2823 brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
2824 const struct brcmf_event_msg *e, void *data)
2826 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
2828 struct brcmf_escan_result_le *escan_result_le;
2829 struct brcmf_bss_info_le *bss_info_le;
2830 struct brcmf_bss_info_le *bss = NULL;
2832 struct brcmf_scan_results *list;
2838 if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
2839 brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
2843 if (status == BRCMF_E_STATUS_PARTIAL) {
2844 brcmf_dbg(SCAN, "ESCAN Partial result\n");
2845 escan_result_le = (struct brcmf_escan_result_le *) data;
2846 if (!escan_result_le) {
2847 brcmf_err("Invalid escan result (NULL pointer)\n");
2850 if (le16_to_cpu(escan_result_le->bss_count) != 1) {
2851 brcmf_err("Invalid bss_count %d: ignoring\n",
2852 escan_result_le->bss_count);
2855 bss_info_le = &escan_result_le->bss_info_le;
2857 if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
2860 if (!cfg->scan_request) {
2861 brcmf_dbg(SCAN, "result without cfg80211 request\n");
2865 bi_length = le32_to_cpu(bss_info_le->length);
2866 if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
2867 WL_ESCAN_RESULTS_FIXED_SIZE)) {
2868 brcmf_err("Invalid bss_info length %d: ignoring\n",
2873 if (!(cfg_to_wiphy(cfg)->interface_modes &
2874 BIT(NL80211_IFTYPE_ADHOC))) {
2875 if (le16_to_cpu(bss_info_le->capability) &
2876 WLAN_CAPABILITY_IBSS) {
2877 brcmf_err("Ignoring IBSS result\n");
2882 list = (struct brcmf_scan_results *)
2883 cfg->escan_info.escan_buf;
2884 if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
2885 brcmf_err("Buffer is too small: ignoring\n");
2889 for (i = 0; i < list->count; i++) {
2890 bss = bss ? (struct brcmf_bss_info_le *)
2891 ((unsigned char *)bss +
2892 le32_to_cpu(bss->length)) : list->bss_info_le;
2893 if (brcmf_compare_update_same_bss(cfg, bss,
2897 memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
2898 bss_info_le, bi_length);
2899 list->version = le32_to_cpu(bss_info_le->version);
2900 list->buflen += bi_length;
2903 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2904 if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
2906 if (cfg->scan_request) {
2907 brcmf_inform_bss(cfg);
2908 aborted = status != BRCMF_E_STATUS_SUCCESS;
2909 brcmf_notify_escan_complete(cfg, ifp, aborted, false);
2911 brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
2918 static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
2920 brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
2921 brcmf_cfg80211_escan_handler);
2922 cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
2923 /* Init scan_timeout timer */
2924 init_timer(&cfg->escan_timeout);
2925 cfg->escan_timeout.data = (unsigned long) cfg;
2926 cfg->escan_timeout.function = brcmf_escan_timeout;
2927 INIT_WORK(&cfg->escan_timeout_work,
2928 brcmf_cfg80211_escan_timeout_worker);
2931 static __always_inline void brcmf_delay(u32 ms)
2933 if (ms < 1000 / HZ) {
2941 static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
2942 u8 *pattern, u32 patternsize, u8 *mask,
2945 struct brcmf_fil_wowl_pattern_le *filter;
2952 masksize = (patternsize + 7) / 8;
2953 patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
2955 bufsize = sizeof(*filter) + patternsize + masksize;
2956 buf = kzalloc(bufsize, GFP_KERNEL);
2959 filter = (struct brcmf_fil_wowl_pattern_le *)buf;
2961 memcpy(filter->cmd, cmd, 4);
2962 filter->masksize = cpu_to_le32(masksize);
2963 filter->offset = cpu_to_le32(packet_offset);
2964 filter->patternoffset = cpu_to_le32(patternoffset);
2965 filter->patternsize = cpu_to_le32(patternsize);
2966 filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
2968 if ((mask) && (masksize))
2969 memcpy(buf + sizeof(*filter), mask, masksize);
2970 if ((pattern) && (patternsize))
2971 memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
2973 ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
2979 static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
2981 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
2982 struct net_device *ndev = cfg_to_ndev(cfg);
2983 struct brcmf_if *ifp = netdev_priv(ndev);
2985 brcmf_dbg(TRACE, "Enter\n");
2987 if (cfg->wowl_enabled) {
2988 brcmf_configure_arp_offload(ifp, true);
2989 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
2990 cfg->pre_wowl_pmmode);
2991 brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
2992 brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
2993 cfg->wowl_enabled = false;
2998 static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
2999 struct brcmf_if *ifp,
3000 struct cfg80211_wowlan *wowl)
3005 brcmf_dbg(TRACE, "Suspend, wowl config.\n");
3007 brcmf_configure_arp_offload(ifp, false);
3008 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
3009 brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
3012 if (wowl->disconnect)
3013 wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
3014 if (wowl->magic_pkt)
3015 wowl_config |= BRCMF_WOWL_MAGIC;
3016 if ((wowl->patterns) && (wowl->n_patterns)) {
3017 wowl_config |= BRCMF_WOWL_NET;
3018 for (i = 0; i < wowl->n_patterns; i++) {
3019 brcmf_config_wowl_pattern(ifp, "add",
3020 (u8 *)wowl->patterns[i].pattern,
3021 wowl->patterns[i].pattern_len,
3022 (u8 *)wowl->patterns[i].mask,
3023 wowl->patterns[i].pkt_offset);
3026 brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
3027 brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
3028 brcmf_bus_wowl_config(cfg->pub->bus_if, true);
3029 cfg->wowl_enabled = true;
3032 static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
3033 struct cfg80211_wowlan *wowl)
3035 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3036 struct net_device *ndev = cfg_to_ndev(cfg);
3037 struct brcmf_if *ifp = netdev_priv(ndev);
3038 struct brcmf_cfg80211_vif *vif;
3040 brcmf_dbg(TRACE, "Enter\n");
3042 /* if the primary net_device is not READY there is nothing
3043 * we can do but pray resume goes smoothly.
3045 if (!check_vif_up(ifp->vif))
3048 /* end any scanning */
3049 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
3050 brcmf_abort_scanning(cfg);
3053 brcmf_bus_wowl_config(cfg->pub->bus_if, false);
3054 list_for_each_entry(vif, &cfg->vif_list, list) {
3055 if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
3057 /* While going to suspend if associated with AP
3058 * disassociate from AP to save power while system is
3059 * in suspended state
3061 brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED);
3062 /* Make sure WPA_Supplicant receives all the event
3063 * generated due to DISASSOC call to the fw to keep
3064 * the state fw and WPA_Supplicant state consistent
3069 brcmf_set_mpc(ifp, 1);
3072 /* Configure WOWL paramaters */
3073 brcmf_configure_wowl(cfg, ifp, wowl);
3077 brcmf_dbg(TRACE, "Exit\n");
3078 /* clear any scanning activity */
3079 cfg->scan_status = 0;
3084 brcmf_update_pmklist(struct net_device *ndev,
3085 struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
3090 pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
3092 brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
3093 for (i = 0; i < pmkid_len; i++) {
3094 brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
3095 &pmk_list->pmkids.pmkid[i].BSSID);
3096 for (j = 0; j < WLAN_PMKID_LEN; j++)
3097 brcmf_dbg(CONN, "%02x\n",
3098 pmk_list->pmkids.pmkid[i].PMKID[j]);
3102 brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
3103 (char *)pmk_list, sizeof(*pmk_list));
3109 brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3110 struct cfg80211_pmksa *pmksa)
3112 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3113 struct brcmf_if *ifp = netdev_priv(ndev);
3114 struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
3118 brcmf_dbg(TRACE, "Enter\n");
3119 if (!check_vif_up(ifp->vif))
3122 pmkid_len = le32_to_cpu(pmkids->npmkid);
3123 for (i = 0; i < pmkid_len; i++)
3124 if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
3126 if (i < WL_NUM_PMKIDS_MAX) {
3127 memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
3128 memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
3129 if (i == pmkid_len) {
3131 pmkids->npmkid = cpu_to_le32(pmkid_len);
3136 brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
3137 pmkids->pmkid[pmkid_len].BSSID);
3138 for (i = 0; i < WLAN_PMKID_LEN; i++)
3139 brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
3141 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
3143 brcmf_dbg(TRACE, "Exit\n");
3148 brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
3149 struct cfg80211_pmksa *pmksa)
3151 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3152 struct brcmf_if *ifp = netdev_priv(ndev);
3153 struct pmkid_list pmkid;
3157 brcmf_dbg(TRACE, "Enter\n");
3158 if (!check_vif_up(ifp->vif))
3161 memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
3162 memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
3164 brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
3165 &pmkid.pmkid[0].BSSID);
3166 for (i = 0; i < WLAN_PMKID_LEN; i++)
3167 brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
3169 pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
3170 for (i = 0; i < pmkid_len; i++)
3172 (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
3177 && (i < pmkid_len)) {
3178 memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
3179 sizeof(struct pmkid));
3180 for (; i < (pmkid_len - 1); i++) {
3181 memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
3182 &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
3184 memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
3185 &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
3188 cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
3192 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
3194 brcmf_dbg(TRACE, "Exit\n");
3200 brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
3202 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3203 struct brcmf_if *ifp = netdev_priv(ndev);
3206 brcmf_dbg(TRACE, "Enter\n");
3207 if (!check_vif_up(ifp->vif))
3210 memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
3211 err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
3213 brcmf_dbg(TRACE, "Exit\n");
3219 * PFN result doesn't have all the info which are
3220 * required by the supplicant
3221 * (For e.g IEs) Do a target Escan so that sched scan results are reported
3222 * via wl_inform_single_bss in the required format. Escan does require the
3223 * scan request in the form of cfg80211_scan_request. For timebeing, create
3224 * cfg80211_scan_request one out of the received PNO event.
3227 brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
3228 const struct brcmf_event_msg *e, void *data)
3230 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
3231 struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
3232 struct cfg80211_scan_request *request = NULL;
3233 struct cfg80211_ssid *ssid = NULL;
3234 struct ieee80211_channel *channel = NULL;
3235 struct wiphy *wiphy = cfg_to_wiphy(cfg);
3237 int channel_req = 0;
3239 struct brcmf_pno_scanresults_le *pfn_result;
3243 brcmf_dbg(SCAN, "Enter\n");
3245 if (e->event_code == BRCMF_E_PFN_NET_LOST) {
3246 brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
3250 pfn_result = (struct brcmf_pno_scanresults_le *)data;
3251 result_count = le32_to_cpu(pfn_result->count);
3252 status = le32_to_cpu(pfn_result->status);
3255 * PFN event is limited to fit 512 bytes so we may get
3256 * multiple NET_FOUND events. For now place a warning here.
3258 WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
3259 brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
3260 if (result_count > 0) {
3263 request = kzalloc(sizeof(*request), GFP_KERNEL);
3264 ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
3265 channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
3266 if (!request || !ssid || !channel) {
3271 request->wiphy = wiphy;
3272 data += sizeof(struct brcmf_pno_scanresults_le);
3273 netinfo_start = (struct brcmf_pno_net_info_le *)data;
3275 for (i = 0; i < result_count; i++) {
3276 netinfo = &netinfo_start[i];
3278 brcmf_err("Invalid netinfo ptr. index: %d\n",
3284 brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
3285 netinfo->SSID, netinfo->channel);
3286 memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
3287 ssid[i].ssid_len = netinfo->SSID_len;
3290 channel_req = netinfo->channel;
3291 if (channel_req <= CH_MAX_2G_CHANNEL)
3292 band = NL80211_BAND_2GHZ;
3294 band = NL80211_BAND_5GHZ;
3295 channel[i].center_freq =
3296 ieee80211_channel_to_frequency(channel_req,
3298 channel[i].band = band;
3299 channel[i].flags |= IEEE80211_CHAN_NO_HT40;
3300 request->channels[i] = &channel[i];
3301 request->n_channels++;
3304 /* assign parsed ssid array */
3305 if (request->n_ssids)
3306 request->ssids = &ssid[0];
3308 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3309 /* Abort any on-going scan */
3310 brcmf_abort_scanning(cfg);
3313 set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3314 cfg->escan_info.run = brcmf_run_escan;
3315 err = brcmf_do_escan(cfg, wiphy, ifp, request);
3317 clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
3320 cfg->sched_escan = true;
3321 cfg->scan_request = request;
3323 brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
3336 cfg80211_sched_scan_stopped(wiphy);
3340 static int brcmf_dev_pno_clean(struct net_device *ndev)
3345 ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
3348 ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
3352 brcmf_err("failed code %d\n", ret);
3357 static int brcmf_dev_pno_config(struct net_device *ndev)
3359 struct brcmf_pno_param_le pfn_param;
3361 memset(&pfn_param, 0, sizeof(pfn_param));
3362 pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
3364 /* set extra pno params */
3365 pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
3366 pfn_param.repeat = BRCMF_PNO_REPEAT;
3367 pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
3369 /* set up pno scan fr */
3370 pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
3372 return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
3373 &pfn_param, sizeof(pfn_param));
3377 brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
3378 struct net_device *ndev,
3379 struct cfg80211_sched_scan_request *request)
3381 struct brcmf_if *ifp = netdev_priv(ndev);
3382 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
3383 struct brcmf_pno_net_param_le pfn;
3387 brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
3388 request->n_match_sets, request->n_ssids);
3389 if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
3390 brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
3393 if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
3394 brcmf_err("Scanning suppressed: status (%lu)\n",
3399 if (!request->n_ssids || !request->n_match_sets) {
3400 brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
3405 if (request->n_ssids > 0) {
3406 for (i = 0; i < request->n_ssids; i++) {
3407 /* Active scan req for ssids */
3408 brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
3409 request->ssids[i].ssid);
3412 * match_set ssids is a supert set of n_ssid list,
3413 * so we need not add these set seperately.
3418 if (request->n_match_sets > 0) {
3419 /* clean up everything */
3420 ret = brcmf_dev_pno_clean(ndev);
3422 brcmf_err("failed error=%d\n", ret);
3427 ret = brcmf_dev_pno_config(ndev);
3429 brcmf_err("PNO setup failed!! ret=%d\n", ret);
3433 /* configure each match set */
3434 for (i = 0; i < request->n_match_sets; i++) {
3435 struct cfg80211_ssid *ssid;
3438 ssid = &request->match_sets[i].ssid;
3439 ssid_len = ssid->ssid_len;
3442 brcmf_err("skip broadcast ssid\n");
3445 pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
3446 pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
3447 pfn.wsec = cpu_to_le32(0);
3448 pfn.infra = cpu_to_le32(1);
3449 pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
3450 pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
3451 memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
3452 ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
3454 brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
3455 ret == 0 ? "set" : "failed", ssid->ssid);
3457 /* Enable the PNO */
3458 if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
3459 brcmf_err("PNO enable failed!! ret=%d\n", ret);
3469 static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
3470 struct net_device *ndev)
3472 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3474 brcmf_dbg(SCAN, "enter\n");
3475 brcmf_dev_pno_clean(ndev);
3476 if (cfg->sched_escan)
3477 brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
3481 static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
3486 err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
3488 brcmf_err("auth error %d\n", err);
3492 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
3494 brcmf_err("wsec error %d\n", err);
3497 /* set upper-layer auth */
3498 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
3500 brcmf_err("wpa_auth error %d\n", err);
3507 static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
3510 return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
3512 return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
3516 brcmf_configure_wpaie(struct brcmf_if *ifp,
3517 const struct brcmf_vs_tlv *wpa_ie,
3520 u32 auth = 0; /* d11 open authentication */
3532 u32 wme_bss_disable;
3534 brcmf_dbg(TRACE, "Enter\n");
3538 len = wpa_ie->len + TLV_HDR_LEN;
3539 data = (u8 *)wpa_ie;
3540 offset = TLV_HDR_LEN;
3542 offset += VS_IE_FIXED_HDR_LEN;
3544 offset += WPA_IE_VERSION_LEN;
3546 /* check for multicast cipher suite */
3547 if (offset + WPA_IE_MIN_OUI_LEN > len) {
3549 brcmf_err("no multicast cipher suite\n");
3553 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3555 brcmf_err("ivalid OUI\n");
3558 offset += TLV_OUI_LEN;
3560 /* pick up multicast cipher */
3561 switch (data[offset]) {
3562 case WPA_CIPHER_NONE:
3565 case WPA_CIPHER_WEP_40:
3566 case WPA_CIPHER_WEP_104:
3569 case WPA_CIPHER_TKIP:
3570 gval = TKIP_ENABLED;
3572 case WPA_CIPHER_AES_CCM:
3577 brcmf_err("Invalid multi cast cipher info\n");
3582 /* walk thru unicast cipher list and pick up what we recognize */
3583 count = data[offset] + (data[offset + 1] << 8);
3584 offset += WPA_IE_SUITE_COUNT_LEN;
3585 /* Check for unicast suite(s) */
3586 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3588 brcmf_err("no unicast cipher suite\n");
3591 for (i = 0; i < count; i++) {
3592 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3594 brcmf_err("ivalid OUI\n");
3597 offset += TLV_OUI_LEN;
3598 switch (data[offset]) {
3599 case WPA_CIPHER_NONE:
3601 case WPA_CIPHER_WEP_40:
3602 case WPA_CIPHER_WEP_104:
3603 pval |= WEP_ENABLED;
3605 case WPA_CIPHER_TKIP:
3606 pval |= TKIP_ENABLED;
3608 case WPA_CIPHER_AES_CCM:
3609 pval |= AES_ENABLED;
3612 brcmf_err("Ivalid unicast security info\n");
3616 /* walk thru auth management suite list and pick up what we recognize */
3617 count = data[offset] + (data[offset + 1] << 8);
3618 offset += WPA_IE_SUITE_COUNT_LEN;
3619 /* Check for auth key management suite(s) */
3620 if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
3622 brcmf_err("no auth key mgmt suite\n");
3625 for (i = 0; i < count; i++) {
3626 if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
3628 brcmf_err("ivalid OUI\n");
3631 offset += TLV_OUI_LEN;
3632 switch (data[offset]) {
3634 brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
3635 wpa_auth |= WPA_AUTH_NONE;
3637 case RSN_AKM_UNSPECIFIED:
3638 brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
3639 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
3640 (wpa_auth |= WPA_AUTH_UNSPECIFIED);
3643 brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
3644 is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
3645 (wpa_auth |= WPA_AUTH_PSK);
3648 brcmf_err("Ivalid key mgmt info\n");
3654 wme_bss_disable = 1;
3655 if ((offset + RSN_CAP_LEN) <= len) {
3656 rsn_cap = data[offset] + (data[offset + 1] << 8);
3657 if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
3658 wme_bss_disable = 0;
3660 /* set wme_bss_disable to sync RSN Capabilities */
3661 err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
3664 brcmf_err("wme_bss_disable error %d\n", err);
3668 /* FOR WPS , set SES_OW_ENABLED */
3669 wsec = (pval | gval | SES_OW_ENABLED);
3672 err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
3674 brcmf_err("auth error %d\n", err);
3678 err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
3680 brcmf_err("wsec error %d\n", err);
3683 /* set upper-layer auth */
3684 err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
3686 brcmf_err("wpa_auth error %d\n", err);
3695 brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
3696 struct parsed_vndr_ies *vndr_ies)
3698 struct brcmf_vs_tlv *vndrie;
3699 struct brcmf_tlv *ie;
3700 struct parsed_vndr_ie_info *parsed_info;
3703 remaining_len = (s32)vndr_ie_len;
3704 memset(vndr_ies, 0, sizeof(*vndr_ies));
3706 ie = (struct brcmf_tlv *)vndr_ie_buf;
3708 if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
3710 vndrie = (struct brcmf_vs_tlv *)ie;
3711 /* len should be bigger than OUI length + one */
3712 if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
3713 brcmf_err("invalid vndr ie. length is too small %d\n",
3717 /* if wpa or wme ie, do not add ie */
3718 if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
3719 ((vndrie->oui_type == WPA_OUI_TYPE) ||
3720 (vndrie->oui_type == WME_OUI_TYPE))) {
3721 brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
3725 parsed_info = &vndr_ies->ie_info[vndr_ies->count];
3727 /* save vndr ie information */
3728 parsed_info->ie_ptr = (char *)vndrie;
3729 parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
3730 memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
3734 brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
3735 parsed_info->vndrie.oui[0],
3736 parsed_info->vndrie.oui[1],
3737 parsed_info->vndrie.oui[2],
3738 parsed_info->vndrie.oui_type);
3740 if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
3743 remaining_len -= (ie->len + TLV_HDR_LEN);
3744 if (remaining_len <= TLV_HDR_LEN)
3747 ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
3754 brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
3757 strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
3758 iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
3760 put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]);
3762 put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]);
3764 memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
3766 return ie_len + VNDR_IE_HDR_SIZE;
3769 s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
3770 const u8 *vndr_ie_buf, u32 vndr_ie_len)
3772 struct brcmf_if *ifp;
3773 struct vif_saved_ie *saved_ie;
3777 u8 *mgmt_ie_buf = NULL;
3778 int mgmt_ie_buf_len;
3780 u32 del_add_ie_buf_len = 0;
3781 u32 total_ie_buf_len = 0;
3782 u32 parsed_ie_buf_len = 0;
3783 struct parsed_vndr_ies old_vndr_ies;
3784 struct parsed_vndr_ies new_vndr_ies;
3785 struct parsed_vndr_ie_info *vndrie_info;
3788 int remained_buf_len;
3793 saved_ie = &vif->saved_ie;
3795 brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
3796 iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
3799 curr_ie_buf = iovar_ie_buf;
3801 case BRCMF_VNDR_IE_PRBREQ_FLAG:
3802 mgmt_ie_buf = saved_ie->probe_req_ie;
3803 mgmt_ie_len = &saved_ie->probe_req_ie_len;
3804 mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
3806 case BRCMF_VNDR_IE_PRBRSP_FLAG:
3807 mgmt_ie_buf = saved_ie->probe_res_ie;
3808 mgmt_ie_len = &saved_ie->probe_res_ie_len;
3809 mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
3811 case BRCMF_VNDR_IE_BEACON_FLAG:
3812 mgmt_ie_buf = saved_ie->beacon_ie;
3813 mgmt_ie_len = &saved_ie->beacon_ie_len;
3814 mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
3816 case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
3817 mgmt_ie_buf = saved_ie->assoc_req_ie;
3818 mgmt_ie_len = &saved_ie->assoc_req_ie_len;
3819 mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
3823 brcmf_err("not suitable type\n");
3827 if (vndr_ie_len > mgmt_ie_buf_len) {
3829 brcmf_err("extra IE size too big\n");
3833 /* parse and save new vndr_ie in curr_ie_buff before comparing it */
3834 if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
3836 brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
3837 for (i = 0; i < new_vndr_ies.count; i++) {
3838 vndrie_info = &new_vndr_ies.ie_info[i];
3839 memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
3840 vndrie_info->ie_len);
3841 parsed_ie_buf_len += vndrie_info->ie_len;
3845 if (mgmt_ie_buf && *mgmt_ie_len) {
3846 if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
3847 (memcmp(mgmt_ie_buf, curr_ie_buf,
3848 parsed_ie_buf_len) == 0)) {
3849 brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
3853 /* parse old vndr_ie */
3854 brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
3856 /* make a command to delete old ie */
3857 for (i = 0; i < old_vndr_ies.count; i++) {
3858 vndrie_info = &old_vndr_ies.ie_info[i];
3860 brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
3861 vndrie_info->vndrie.id,
3862 vndrie_info->vndrie.len,
3863 vndrie_info->vndrie.oui[0],
3864 vndrie_info->vndrie.oui[1],
3865 vndrie_info->vndrie.oui[2]);
3867 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3868 vndrie_info->ie_ptr,
3869 vndrie_info->ie_len,
3871 curr_ie_buf += del_add_ie_buf_len;
3872 total_ie_buf_len += del_add_ie_buf_len;
3877 /* Add if there is any extra IE */
3878 if (mgmt_ie_buf && parsed_ie_buf_len) {
3881 remained_buf_len = mgmt_ie_buf_len;
3883 /* make a command to add new ie */
3884 for (i = 0; i < new_vndr_ies.count; i++) {
3885 vndrie_info = &new_vndr_ies.ie_info[i];
3887 /* verify remained buf size before copy data */
3888 if (remained_buf_len < (vndrie_info->vndrie.len +
3889 VNDR_IE_VSIE_OFFSET)) {
3890 brcmf_err("no space in mgmt_ie_buf: len left %d",
3894 remained_buf_len -= (vndrie_info->ie_len +
3895 VNDR_IE_VSIE_OFFSET);
3897 brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
3898 vndrie_info->vndrie.id,
3899 vndrie_info->vndrie.len,
3900 vndrie_info->vndrie.oui[0],
3901 vndrie_info->vndrie.oui[1],
3902 vndrie_info->vndrie.oui[2]);
3904 del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
3905 vndrie_info->ie_ptr,
3906 vndrie_info->ie_len,
3909 /* save the parsed IE in wl struct */
3910 memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
3911 vndrie_info->ie_len);
3912 *mgmt_ie_len += vndrie_info->ie_len;
3914 curr_ie_buf += del_add_ie_buf_len;
3915 total_ie_buf_len += del_add_ie_buf_len;
3918 if (total_ie_buf_len) {
3919 err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
3922 brcmf_err("vndr ie set error : %d\n", err);
3926 kfree(iovar_ie_buf);
3930 s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
3933 BRCMF_VNDR_IE_PRBREQ_FLAG,
3934 BRCMF_VNDR_IE_PRBRSP_FLAG,
3935 BRCMF_VNDR_IE_BEACON_FLAG
3939 for (i = 0; i < ARRAY_SIZE(pktflags); i++)
3940 brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
3942 memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
3947 brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
3948 struct cfg80211_beacon_data *beacon)
3952 /* Set Beacon IEs to FW */
3953 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
3954 beacon->tail, beacon->tail_len);
3956 brcmf_err("Set Beacon IE Failed\n");
3959 brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
3961 /* Set Probe Response IEs to FW */
3962 err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
3963 beacon->proberesp_ies,
3964 beacon->proberesp_ies_len);
3966 brcmf_err("Set Probe Resp IE Failed\n");
3968 brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
3974 brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
3975 struct cfg80211_ap_settings *settings)
3978 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
3979 struct brcmf_if *ifp = netdev_priv(ndev);
3980 const struct brcmf_tlv *ssid_ie;
3981 const struct brcmf_tlv *country_ie;
3982 struct brcmf_ssid_le ssid_le;
3984 const struct brcmf_tlv *rsn_ie;
3985 const struct brcmf_vs_tlv *wpa_ie;
3986 struct brcmf_join_params join_params;
3987 enum nl80211_iftype dev_role;
3988 struct brcmf_fil_bss_enable_le bss_enable;
3993 brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
3994 settings->chandef.chan->hw_value,
3995 settings->chandef.center_freq1, settings->chandef.width,
3996 settings->beacon_interval, settings->dtim_period);
3997 brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
3998 settings->ssid, settings->ssid_len, settings->auth_type,
3999 settings->inactivity_timeout);
4000 dev_role = ifp->vif->wdev.iftype;
4001 mbss = ifp->vif->mbss;
4003 /* store current 11d setting */
4004 brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d);
4005 country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4006 settings->beacon.tail_len,
4008 is_11d = country_ie ? 1 : 0;
4010 memset(&ssid_le, 0, sizeof(ssid_le));
4011 if (settings->ssid == NULL || settings->ssid_len == 0) {
4012 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
4013 ssid_ie = brcmf_parse_tlvs(
4014 (u8 *)&settings->beacon.head[ie_offset],
4015 settings->beacon.head_len - ie_offset,
4020 memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
4021 ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
4022 brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
4024 memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
4025 ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
4029 brcmf_set_mpc(ifp, 0);
4030 brcmf_configure_arp_offload(ifp, false);
4033 /* find the RSN_IE */
4034 rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
4035 settings->beacon.tail_len, WLAN_EID_RSN);
4037 /* find the WPA_IE */
4038 wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
4039 settings->beacon.tail_len);
4041 if ((wpa_ie != NULL || rsn_ie != NULL)) {
4042 brcmf_dbg(TRACE, "WPA(2) IE is found\n");
4043 if (wpa_ie != NULL) {
4045 err = brcmf_configure_wpaie(ifp, wpa_ie, false);
4049 struct brcmf_vs_tlv *tmp_ie;
4051 tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
4054 err = brcmf_configure_wpaie(ifp, tmp_ie, true);
4059 brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
4060 brcmf_configure_opensecurity(ifp);
4063 brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
4066 chanspec = chandef_to_chanspec(&cfg->d11inf,
4067 &settings->chandef);
4068 err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
4070 brcmf_err("Set Channel failed: chspec=%d, %d\n",
4075 if (is_11d != ifp->vif->is_11d) {
4076 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4079 brcmf_err("Regulatory Set Error, %d\n", err);
4083 if (settings->beacon_interval) {
4084 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
4085 settings->beacon_interval);
4087 brcmf_err("Beacon Interval Set Error, %d\n",
4092 if (settings->dtim_period) {
4093 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
4094 settings->dtim_period);
4096 brcmf_err("DTIM Interval Set Error, %d\n", err);
4101 if (dev_role == NL80211_IFTYPE_AP) {
4102 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4104 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4107 brcmf_fil_iovar_int_set(ifp, "apsta", 0);
4110 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
4112 brcmf_err("SET INFRA error %d\n", err);
4115 } else if (WARN_ON(is_11d != ifp->vif->is_11d)) {
4116 /* Multiple-BSS should use same 11d configuration */
4120 if (dev_role == NL80211_IFTYPE_AP) {
4121 if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss))
4122 brcmf_fil_iovar_int_set(ifp, "mbss", 1);
4124 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
4126 brcmf_err("setting AP mode failed %d\n", err);
4129 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4131 brcmf_err("BRCMF_C_UP error (%d)\n", err);
4134 /* On DOWN the firmware removes the WEP keys, reconfigure
4135 * them if they were set.
4137 brcmf_cfg80211_reconfigure_wep(ifp);
4139 memset(&join_params, 0, sizeof(join_params));
4140 /* join parameters starts with ssid */
4141 memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
4143 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4144 &join_params, sizeof(join_params));
4146 brcmf_err("SET SSID error (%d)\n", err);
4149 brcmf_dbg(TRACE, "AP mode configuration complete\n");
4151 err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
4154 brcmf_err("setting ssid failed %d\n", err);
4157 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
4158 bss_enable.enable = cpu_to_le32(1);
4159 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4160 sizeof(bss_enable));
4162 brcmf_err("bss_enable config failed %d\n", err);
4166 brcmf_dbg(TRACE, "GO mode configuration complete\n");
4168 clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
4169 set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4172 if ((err) && (!mbss)) {
4173 brcmf_set_mpc(ifp, 1);
4174 brcmf_configure_arp_offload(ifp, true);
4179 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
4181 struct brcmf_if *ifp = netdev_priv(ndev);
4183 struct brcmf_fil_bss_enable_le bss_enable;
4184 struct brcmf_join_params join_params;
4186 brcmf_dbg(TRACE, "Enter\n");
4188 if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
4189 /* Due to most likely deauths outstanding we sleep */
4190 /* first to make sure they get processed by fw. */
4193 if (ifp->vif->mbss) {
4194 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4198 memset(&join_params, 0, sizeof(join_params));
4199 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
4200 &join_params, sizeof(join_params));
4202 brcmf_err("SET SSID error (%d)\n", err);
4203 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
4205 brcmf_err("BRCMF_C_DOWN error %d\n", err);
4206 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
4208 brcmf_err("setting AP mode failed %d\n", err);
4209 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
4211 brcmf_err("setting INFRA mode failed %d\n", err);
4212 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS))
4213 brcmf_fil_iovar_int_set(ifp, "mbss", 0);
4214 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY,
4217 brcmf_err("restoring REGULATORY setting failed %d\n",
4219 /* Bring device back up so it can be used again */
4220 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
4222 brcmf_err("BRCMF_C_UP error %d\n", err);
4224 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
4225 bss_enable.enable = cpu_to_le32(0);
4226 err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
4227 sizeof(bss_enable));
4229 brcmf_err("bss_enable config failed %d\n", err);
4231 brcmf_set_mpc(ifp, 1);
4232 brcmf_configure_arp_offload(ifp, true);
4233 set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
4234 clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
4240 brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
4241 struct cfg80211_beacon_data *info)
4243 struct brcmf_if *ifp = netdev_priv(ndev);
4246 brcmf_dbg(TRACE, "Enter\n");
4248 err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
4254 brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
4255 struct station_del_parameters *params)
4257 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4258 struct brcmf_scb_val_le scbval;
4259 struct brcmf_if *ifp = netdev_priv(ndev);
4265 brcmf_dbg(TRACE, "Enter %pM\n", params->mac);
4267 if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
4268 ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
4269 if (!check_vif_up(ifp->vif))
4272 memcpy(&scbval.ea, params->mac, ETH_ALEN);
4273 scbval.val = cpu_to_le32(params->reason_code);
4274 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
4275 &scbval, sizeof(scbval));
4277 brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
4279 brcmf_dbg(TRACE, "Exit\n");
4284 brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev,
4285 const u8 *mac, struct station_parameters *params)
4287 struct brcmf_if *ifp = netdev_priv(ndev);
4290 brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac,
4291 params->sta_flags_mask, params->sta_flags_set);
4293 /* Ignore all 00 MAC */
4294 if (is_zero_ether_addr(mac))
4297 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4300 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4301 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE,
4302 (void *)mac, ETH_ALEN);
4304 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE,
4305 (void *)mac, ETH_ALEN);
4307 brcmf_err("Setting SCB (de-)authorize failed, %d\n", err);
4313 brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
4314 struct wireless_dev *wdev,
4315 u16 frame_type, bool reg)
4317 struct brcmf_cfg80211_vif *vif;
4320 brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
4322 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
4323 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4325 vif->mgmt_rx_reg |= BIT(mgmt_type);
4327 vif->mgmt_rx_reg &= ~BIT(mgmt_type);
4332 brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
4333 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
4335 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4336 struct ieee80211_channel *chan = params->chan;
4337 const u8 *buf = params->buf;
4338 size_t len = params->len;
4339 const struct ieee80211_mgmt *mgmt;
4340 struct brcmf_cfg80211_vif *vif;
4344 struct brcmf_fil_action_frame_le *action_frame;
4345 struct brcmf_fil_af_params_le *af_params;
4350 brcmf_dbg(TRACE, "Enter\n");
4354 mgmt = (const struct ieee80211_mgmt *)buf;
4356 if (!ieee80211_is_mgmt(mgmt->frame_control)) {
4357 brcmf_err("Driver only allows MGMT packet type\n");
4361 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4363 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
4364 /* Right now the only reason to get a probe response */
4365 /* is for p2p listen response or for p2p GO from */
4366 /* wpa_supplicant. Unfortunately the probe is send */
4367 /* on primary ndev, while dongle wants it on the p2p */
4368 /* vif. Since this is only reason for a probe */
4369 /* response to be sent, the vif is taken from cfg. */
4370 /* If ever desired to send proberesp for non p2p */
4371 /* response then data should be checked for */
4372 /* "DIRECT-". Note in future supplicant will take */
4373 /* dedicated p2p wdev to do this and then this 'hack'*/
4374 /* is not needed anymore. */
4375 ie_offset = DOT11_MGMT_HDR_LEN +
4376 DOT11_BCN_PRB_FIXED_LEN;
4377 ie_len = len - ie_offset;
4378 if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
4379 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4380 err = brcmf_vif_set_mgmt_ie(vif,
4381 BRCMF_VNDR_IE_PRBRSP_FLAG,
4384 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
4386 } else if (ieee80211_is_action(mgmt->frame_control)) {
4387 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
4388 if (af_params == NULL) {
4389 brcmf_err("unable to allocate frame\n");
4393 action_frame = &af_params->action_frame;
4394 /* Add the packet Id */
4395 action_frame->packet_id = cpu_to_le32(*cookie);
4397 memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
4398 memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
4399 /* Add the length exepted for 802.11 header */
4400 action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
4401 /* Add the channel. Use the one specified as parameter if any or
4402 * the current one (got from the firmware) otherwise
4405 freq = chan->center_freq;
4407 brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
4409 chan_nr = ieee80211_frequency_to_channel(freq);
4410 af_params->channel = cpu_to_le32(chan_nr);
4412 memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
4413 le16_to_cpu(action_frame->len));
4415 brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
4416 *cookie, le16_to_cpu(action_frame->len), freq);
4418 ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
4421 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
4425 brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
4426 brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
4435 brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
4436 struct wireless_dev *wdev,
4439 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4440 struct brcmf_cfg80211_vif *vif;
4443 brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
4445 vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
4447 brcmf_err("No p2p device available for probe response\n");
4451 brcmf_p2p_cancel_remain_on_channel(vif->ifp);
4456 static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
4457 struct wireless_dev *wdev,
4458 enum nl80211_crit_proto_id proto,
4461 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4462 struct brcmf_cfg80211_vif *vif;
4464 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4466 /* only DHCP support for now */
4467 if (proto != NL80211_CRIT_PROTO_DHCP)
4470 /* suppress and abort scanning */
4471 set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4472 brcmf_abort_scanning(cfg);
4474 return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
4477 static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
4478 struct wireless_dev *wdev)
4480 struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
4481 struct brcmf_cfg80211_vif *vif;
4483 vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
4485 brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
4486 clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
4490 brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
4491 const struct brcmf_event_msg *e, void *data)
4493 switch (e->reason) {
4494 case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
4495 brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
4497 case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
4498 brcmf_dbg(TRACE, "TDLS Peer Connected\n");
4499 brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4501 case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
4502 brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
4503 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4510 static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
4515 case NL80211_TDLS_DISCOVERY_REQ:
4516 ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
4518 case NL80211_TDLS_SETUP:
4519 ret = BRCMF_TDLS_MANUAL_EP_CREATE;
4521 case NL80211_TDLS_TEARDOWN:
4522 ret = BRCMF_TDLS_MANUAL_EP_DELETE;
4525 brcmf_err("unsupported operation: %d\n", oper);
4531 static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
4532 struct net_device *ndev, const u8 *peer,
4533 enum nl80211_tdls_operation oper)
4535 struct brcmf_if *ifp;
4536 struct brcmf_tdls_iovar_le info;
4539 ret = brcmf_convert_nl80211_tdls_oper(oper);
4543 ifp = netdev_priv(ndev);
4544 memset(&info, 0, sizeof(info));
4545 info.mode = (u8)ret;
4547 memcpy(info.ea, peer, ETH_ALEN);
4549 ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
4550 &info, sizeof(info));
4552 brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
4557 static struct cfg80211_ops wl_cfg80211_ops = {
4558 .add_virtual_intf = brcmf_cfg80211_add_iface,
4559 .del_virtual_intf = brcmf_cfg80211_del_iface,
4560 .change_virtual_intf = brcmf_cfg80211_change_iface,
4561 .scan = brcmf_cfg80211_scan,
4562 .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
4563 .join_ibss = brcmf_cfg80211_join_ibss,
4564 .leave_ibss = brcmf_cfg80211_leave_ibss,
4565 .get_station = brcmf_cfg80211_get_station,
4566 .set_tx_power = brcmf_cfg80211_set_tx_power,
4567 .get_tx_power = brcmf_cfg80211_get_tx_power,
4568 .add_key = brcmf_cfg80211_add_key,
4569 .del_key = brcmf_cfg80211_del_key,
4570 .get_key = brcmf_cfg80211_get_key,
4571 .set_default_key = brcmf_cfg80211_config_default_key,
4572 .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
4573 .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
4574 .connect = brcmf_cfg80211_connect,
4575 .disconnect = brcmf_cfg80211_disconnect,
4576 .suspend = brcmf_cfg80211_suspend,
4577 .resume = brcmf_cfg80211_resume,
4578 .set_pmksa = brcmf_cfg80211_set_pmksa,
4579 .del_pmksa = brcmf_cfg80211_del_pmksa,
4580 .flush_pmksa = brcmf_cfg80211_flush_pmksa,
4581 .start_ap = brcmf_cfg80211_start_ap,
4582 .stop_ap = brcmf_cfg80211_stop_ap,
4583 .change_beacon = brcmf_cfg80211_change_beacon,
4584 .del_station = brcmf_cfg80211_del_station,
4585 .change_station = brcmf_cfg80211_change_station,
4586 .sched_scan_start = brcmf_cfg80211_sched_scan_start,
4587 .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
4588 .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
4589 .mgmt_tx = brcmf_cfg80211_mgmt_tx,
4590 .remain_on_channel = brcmf_p2p_remain_on_channel,
4591 .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
4592 .start_p2p_device = brcmf_p2p_start_device,
4593 .stop_p2p_device = brcmf_p2p_stop_device,
4594 .crit_proto_start = brcmf_cfg80211_crit_proto_start,
4595 .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
4596 .tdls_oper = brcmf_cfg80211_tdls_oper,
4599 struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
4600 enum nl80211_iftype type,
4603 struct brcmf_cfg80211_vif *vif_walk;
4604 struct brcmf_cfg80211_vif *vif;
4607 brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
4609 vif = kzalloc(sizeof(*vif), GFP_KERNEL);
4611 return ERR_PTR(-ENOMEM);
4613 vif->wdev.wiphy = cfg->wiphy;
4614 vif->wdev.iftype = type;
4616 vif->pm_block = pm_block;
4619 brcmf_init_prof(&vif->profile);
4621 if (type == NL80211_IFTYPE_AP) {
4623 list_for_each_entry(vif_walk, &cfg->vif_list, list) {
4624 if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) {
4632 list_add_tail(&vif->list, &cfg->vif_list);
4636 void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
4638 list_del(&vif->list);
4642 void brcmf_cfg80211_free_netdev(struct net_device *ndev)
4644 struct brcmf_cfg80211_vif *vif;
4645 struct brcmf_if *ifp;
4647 ifp = netdev_priv(ndev);
4650 brcmf_free_vif(vif);
4654 static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
4656 u32 event = e->event_code;
4657 u32 status = e->status;
4659 if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
4660 brcmf_dbg(CONN, "Processing set ssid\n");
4667 static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
4669 u32 event = e->event_code;
4670 u16 flags = e->flags;
4672 if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
4673 (event == BRCMF_E_DISASSOC_IND) ||
4674 ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
4675 brcmf_dbg(CONN, "Processing link down\n");
4681 static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
4682 const struct brcmf_event_msg *e)
4684 u32 event = e->event_code;
4685 u32 status = e->status;
4687 if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
4688 brcmf_dbg(CONN, "Processing Link %s & no network found\n",
4689 e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
4693 if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
4694 brcmf_dbg(CONN, "Processing connecting & no network found\n");
4701 static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
4703 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4705 kfree(conn_info->req_ie);
4706 conn_info->req_ie = NULL;
4707 conn_info->req_ie_len = 0;
4708 kfree(conn_info->resp_ie);
4709 conn_info->resp_ie = NULL;
4710 conn_info->resp_ie_len = 0;
4713 static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
4714 struct brcmf_if *ifp)
4716 struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
4717 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4722 brcmf_clear_assoc_ies(cfg);
4724 err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
4725 cfg->extra_buf, WL_ASSOC_INFO_MAX);
4727 brcmf_err("could not get assoc info (%d)\n", err);
4731 (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
4732 req_len = le32_to_cpu(assoc_info->req_len);
4733 resp_len = le32_to_cpu(assoc_info->resp_len);
4735 err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
4739 brcmf_err("could not get assoc req (%d)\n", err);
4742 conn_info->req_ie_len = req_len;
4744 kmemdup(cfg->extra_buf, conn_info->req_ie_len,
4747 conn_info->req_ie_len = 0;
4748 conn_info->req_ie = NULL;
4751 err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
4755 brcmf_err("could not get assoc resp (%d)\n", err);
4758 conn_info->resp_ie_len = resp_len;
4759 conn_info->resp_ie =
4760 kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
4763 conn_info->resp_ie_len = 0;
4764 conn_info->resp_ie = NULL;
4766 brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
4767 conn_info->req_ie_len, conn_info->resp_ie_len);
4773 brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
4774 struct net_device *ndev,
4775 const struct brcmf_event_msg *e)
4777 struct brcmf_if *ifp = netdev_priv(ndev);
4778 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4779 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4780 struct wiphy *wiphy = cfg_to_wiphy(cfg);
4781 struct ieee80211_channel *notify_channel = NULL;
4782 struct ieee80211_supported_band *band;
4783 struct brcmf_bss_info_le *bi;
4784 struct brcmu_chan ch;
4789 brcmf_dbg(TRACE, "Enter\n");
4791 brcmf_get_assoc_ies(cfg, ifp);
4792 memcpy(profile->bssid, e->addr, ETH_ALEN);
4793 brcmf_update_bss_info(cfg, ifp);
4795 buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
4801 /* data sent to dongle has to be little endian */
4802 *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
4803 err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
4804 buf, WL_BSS_INFO_MAX);
4809 bi = (struct brcmf_bss_info_le *)(buf + 4);
4810 ch.chspec = le16_to_cpu(bi->chanspec);
4811 cfg->d11inf.decchspec(&ch);
4813 if (ch.band == BRCMU_CHAN_BAND_2G)
4814 band = wiphy->bands[IEEE80211_BAND_2GHZ];
4816 band = wiphy->bands[IEEE80211_BAND_5GHZ];
4818 freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
4819 notify_channel = ieee80211_get_channel(wiphy, freq);
4823 cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
4824 conn_info->req_ie, conn_info->req_ie_len,
4825 conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
4826 brcmf_dbg(CONN, "Report roaming result\n");
4828 set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
4829 brcmf_dbg(TRACE, "Exit\n");
4834 brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
4835 struct net_device *ndev, const struct brcmf_event_msg *e,
4838 struct brcmf_if *ifp = netdev_priv(ndev);
4839 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4840 struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
4842 brcmf_dbg(TRACE, "Enter\n");
4844 if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4845 &ifp->vif->sme_state)) {
4847 brcmf_get_assoc_ies(cfg, ifp);
4848 memcpy(profile->bssid, e->addr, ETH_ALEN);
4849 brcmf_update_bss_info(cfg, ifp);
4850 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4851 &ifp->vif->sme_state);
4853 cfg80211_connect_result(ndev,
4854 (u8 *)profile->bssid,
4856 conn_info->req_ie_len,
4858 conn_info->resp_ie_len,
4859 completed ? WLAN_STATUS_SUCCESS :
4860 WLAN_STATUS_AUTH_TIMEOUT,
4862 brcmf_dbg(CONN, "Report connect result - connection %s\n",
4863 completed ? "succeeded" : "failed");
4865 brcmf_dbg(TRACE, "Exit\n");
4870 brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
4871 struct net_device *ndev,
4872 const struct brcmf_event_msg *e, void *data)
4874 struct brcmf_if *ifp = netdev_priv(ndev);
4875 static int generation;
4876 u32 event = e->event_code;
4877 u32 reason = e->reason;
4878 struct station_info sinfo;
4880 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
4881 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
4882 ndev != cfg_to_ndev(cfg)) {
4883 brcmf_dbg(CONN, "AP mode link down\n");
4884 complete(&cfg->vif_disabled);
4886 brcmf_remove_interface(ifp->drvr, ifp->bssidx);
4890 if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
4891 (reason == BRCMF_E_STATUS_SUCCESS)) {
4892 memset(&sinfo, 0, sizeof(sinfo));
4894 brcmf_err("No IEs present in ASSOC/REASSOC_IND");
4897 sinfo.assoc_req_ies = data;
4898 sinfo.assoc_req_ies_len = e->datalen;
4900 sinfo.generation = generation;
4901 cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
4902 } else if ((event == BRCMF_E_DISASSOC_IND) ||
4903 (event == BRCMF_E_DEAUTH_IND) ||
4904 (event == BRCMF_E_DEAUTH)) {
4905 cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
4911 brcmf_notify_connect_status(struct brcmf_if *ifp,
4912 const struct brcmf_event_msg *e, void *data)
4914 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4915 struct net_device *ndev = ifp->ndev;
4916 struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
4917 struct ieee80211_channel *chan;
4920 if ((e->event_code == BRCMF_E_DEAUTH) ||
4921 (e->event_code == BRCMF_E_DEAUTH_IND) ||
4922 (e->event_code == BRCMF_E_DISASSOC_IND) ||
4923 ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
4924 brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
4927 if (brcmf_is_apmode(ifp->vif)) {
4928 err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
4929 } else if (brcmf_is_linkup(e)) {
4930 brcmf_dbg(CONN, "Linkup\n");
4931 if (brcmf_is_ibssmode(ifp->vif)) {
4932 chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
4933 memcpy(profile->bssid, e->addr, ETH_ALEN);
4934 wl_inform_ibss(cfg, ndev, e->addr);
4935 cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
4936 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4937 &ifp->vif->sme_state);
4938 set_bit(BRCMF_VIF_STATUS_CONNECTED,
4939 &ifp->vif->sme_state);
4941 brcmf_bss_connect_done(cfg, ndev, e, true);
4942 } else if (brcmf_is_linkdown(e)) {
4943 brcmf_dbg(CONN, "Linkdown\n");
4944 if (!brcmf_is_ibssmode(ifp->vif)) {
4945 brcmf_bss_connect_done(cfg, ndev, e, false);
4947 brcmf_link_down(ifp->vif, brcmf_map_fw_linkdown_reason(e));
4948 brcmf_init_prof(ndev_to_prof(ndev));
4949 if (ndev != cfg_to_ndev(cfg))
4950 complete(&cfg->vif_disabled);
4951 } else if (brcmf_is_nonetwork(cfg, e)) {
4952 if (brcmf_is_ibssmode(ifp->vif))
4953 clear_bit(BRCMF_VIF_STATUS_CONNECTING,
4954 &ifp->vif->sme_state);
4956 brcmf_bss_connect_done(cfg, ndev, e, false);
4963 brcmf_notify_roaming_status(struct brcmf_if *ifp,
4964 const struct brcmf_event_msg *e, void *data)
4966 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
4967 u32 event = e->event_code;
4968 u32 status = e->status;
4970 if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
4971 if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
4972 brcmf_bss_roaming_done(cfg, ifp->ndev, e);
4974 brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
4981 brcmf_notify_mic_status(struct brcmf_if *ifp,
4982 const struct brcmf_event_msg *e, void *data)
4984 u16 flags = e->flags;
4985 enum nl80211_key_type key_type;
4987 if (flags & BRCMF_EVENT_MSG_GROUP)
4988 key_type = NL80211_KEYTYPE_GROUP;
4990 key_type = NL80211_KEYTYPE_PAIRWISE;
4992 cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
4998 static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
4999 const struct brcmf_event_msg *e, void *data)
5001 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5002 struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
5003 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5004 struct brcmf_cfg80211_vif *vif;
5006 brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
5007 ifevent->action, ifevent->flags, ifevent->ifidx,
5010 mutex_lock(&event->vif_event_lock);
5011 event->action = ifevent->action;
5014 switch (ifevent->action) {
5015 case BRCMF_E_IF_ADD:
5016 /* waiting process may have timed out */
5017 if (!cfg->vif_event.vif) {
5018 mutex_unlock(&event->vif_event_lock);
5025 vif->wdev.netdev = ifp->ndev;
5026 ifp->ndev->ieee80211_ptr = &vif->wdev;
5027 SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
5029 mutex_unlock(&event->vif_event_lock);
5030 wake_up(&event->vif_wq);
5033 case BRCMF_E_IF_DEL:
5034 mutex_unlock(&event->vif_event_lock);
5035 /* event may not be upon user request */
5036 if (brcmf_cfg80211_vif_event_armed(cfg))
5037 wake_up(&event->vif_wq);
5040 case BRCMF_E_IF_CHANGE:
5041 mutex_unlock(&event->vif_event_lock);
5042 wake_up(&event->vif_wq);
5046 mutex_unlock(&event->vif_event_lock);
5052 static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
5054 conf->frag_threshold = (u32)-1;
5055 conf->rts_threshold = (u32)-1;
5056 conf->retry_short = (u32)-1;
5057 conf->retry_long = (u32)-1;
5058 conf->tx_power = -1;
5061 static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
5063 brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
5064 brcmf_notify_connect_status);
5065 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
5066 brcmf_notify_connect_status);
5067 brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
5068 brcmf_notify_connect_status);
5069 brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
5070 brcmf_notify_connect_status);
5071 brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
5072 brcmf_notify_connect_status);
5073 brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
5074 brcmf_notify_connect_status);
5075 brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
5076 brcmf_notify_roaming_status);
5077 brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
5078 brcmf_notify_mic_status);
5079 brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
5080 brcmf_notify_connect_status);
5081 brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
5082 brcmf_notify_sched_scan_results);
5083 brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
5084 brcmf_notify_vif_event);
5085 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
5086 brcmf_p2p_notify_rx_mgmt_p2p_probereq);
5087 brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
5088 brcmf_p2p_notify_listen_complete);
5089 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
5090 brcmf_p2p_notify_action_frame_rx);
5091 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
5092 brcmf_p2p_notify_action_tx_complete);
5093 brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
5094 brcmf_p2p_notify_action_tx_complete);
5097 static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
5101 kfree(cfg->escan_ioctl_buf);
5102 cfg->escan_ioctl_buf = NULL;
5103 kfree(cfg->extra_buf);
5104 cfg->extra_buf = NULL;
5105 kfree(cfg->pmk_list);
5106 cfg->pmk_list = NULL;
5109 static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
5111 cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
5113 goto init_priv_mem_out;
5114 cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5115 if (!cfg->escan_ioctl_buf)
5116 goto init_priv_mem_out;
5117 cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
5118 if (!cfg->extra_buf)
5119 goto init_priv_mem_out;
5120 cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
5122 goto init_priv_mem_out;
5127 brcmf_deinit_priv_mem(cfg);
5132 static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
5136 cfg->scan_request = NULL;
5137 cfg->pwr_save = true;
5138 cfg->active_scan = true; /* we do active scan per default */
5139 cfg->dongle_up = false; /* dongle is not up yet */
5140 err = brcmf_init_priv_mem(cfg);
5143 brcmf_register_event_handlers(cfg);
5144 mutex_init(&cfg->usr_sync);
5145 brcmf_init_escan(cfg);
5146 brcmf_init_conf(cfg->conf);
5147 init_completion(&cfg->vif_disabled);
5151 static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
5153 cfg->dongle_up = false; /* dongle down */
5154 brcmf_abort_scanning(cfg);
5155 brcmf_deinit_priv_mem(cfg);
5158 static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
5160 init_waitqueue_head(&event->vif_wq);
5161 mutex_init(&event->vif_event_lock);
5165 brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
5168 __le32 roamtrigger[2];
5169 __le32 roam_delta[2];
5172 * Setup timeout if Beacons are lost and roam is
5173 * off to report link down
5175 if (brcmf_roamoff) {
5176 err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
5178 brcmf_err("bcn_timeout error (%d)\n", err);
5179 goto dongle_rom_out;
5184 * Enable/Disable built-in roaming to allow supplicant
5185 * to take care of roaming
5187 brcmf_dbg(INFO, "Internal Roaming = %s\n",
5188 brcmf_roamoff ? "Off" : "On");
5189 err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
5191 brcmf_err("roam_off error (%d)\n", err);
5192 goto dongle_rom_out;
5195 roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
5196 roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
5197 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
5198 (void *)roamtrigger, sizeof(roamtrigger));
5200 brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
5201 goto dongle_rom_out;
5204 roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
5205 roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
5206 err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
5207 (void *)roam_delta, sizeof(roam_delta));
5209 brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
5210 goto dongle_rom_out;
5218 brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
5219 s32 scan_unassoc_time, s32 scan_passive_time)
5223 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
5226 if (err == -EOPNOTSUPP)
5227 brcmf_dbg(INFO, "Scan assoc time is not supported\n");
5229 brcmf_err("Scan assoc time error (%d)\n", err);
5230 goto dongle_scantime_out;
5232 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
5235 if (err == -EOPNOTSUPP)
5236 brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
5238 brcmf_err("Scan unassoc time error (%d)\n", err);
5239 goto dongle_scantime_out;
5242 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
5245 if (err == -EOPNOTSUPP)
5246 brcmf_dbg(INFO, "Scan passive time is not supported\n");
5248 brcmf_err("Scan passive time error (%d)\n", err);
5249 goto dongle_scantime_out;
5252 dongle_scantime_out:
5256 /* Filter the list of channels received from firmware counting only
5257 * the 20MHz channels. The wiphy band data only needs those which get
5258 * flagged to indicate if they can take part in higher bandwidth.
5260 static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
5261 struct brcmf_chanspec_list *chlist,
5264 u32 total = le32_to_cpu(chlist->count);
5265 struct brcmu_chan ch;
5268 for (i = 0; i < total; i++) {
5269 ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
5270 cfg->d11inf.decchspec(&ch);
5272 /* Firmware gives a ordered list. We skip non-20MHz
5273 * channels is 2G. For 5G we can abort upon reaching
5274 * a non-20MHz channel in the list.
5276 if (ch.bw != BRCMU_CHAN_BW_20) {
5277 if (ch.band == BRCMU_CHAN_BAND_5G)
5283 if (ch.band == BRCMU_CHAN_BAND_2G)
5285 else if (ch.band == BRCMU_CHAN_BAND_5G)
5290 static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
5291 struct brcmu_chan *ch)
5295 ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
5296 if (ch->sb == BRCMU_CHAN_SB_U) {
5297 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5298 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5299 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
5301 /* It should be one of
5302 * IEEE80211_CHAN_NO_HT40 or
5303 * IEEE80211_CHAN_NO_HT40PLUS
5305 channel->flags &= ~IEEE80211_CHAN_NO_HT40;
5306 if (ht40_flag == IEEE80211_CHAN_NO_HT40)
5307 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
5311 static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
5314 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5315 struct ieee80211_supported_band *band;
5316 struct ieee80211_channel *channel;
5317 struct wiphy *wiphy;
5318 struct brcmf_chanspec_list *list;
5319 struct brcmu_chan ch;
5325 u32 chcnt[2] = { 0, 0 };
5328 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5333 list = (struct brcmf_chanspec_list *)pbuf;
5335 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5338 brcmf_err("get chanspecs error (%d)\n", err);
5342 brcmf_count_20mhz_channels(cfg, list, chcnt);
5343 wiphy = cfg_to_wiphy(cfg);
5345 band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
5351 band->channels = kcalloc(chcnt[0], sizeof(*channel),
5353 if (band->channels == NULL) {
5358 band->n_channels = 0;
5359 wiphy->bands[IEEE80211_BAND_2GHZ] = band;
5362 band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
5368 band->channels = kcalloc(chcnt[1], sizeof(*channel),
5370 if (band->channels == NULL) {
5375 band->n_channels = 0;
5376 wiphy->bands[IEEE80211_BAND_5GHZ] = band;
5379 total = le32_to_cpu(list->count);
5380 for (i = 0; i < total; i++) {
5381 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5382 cfg->d11inf.decchspec(&ch);
5384 if (ch.band == BRCMU_CHAN_BAND_2G) {
5385 band = wiphy->bands[IEEE80211_BAND_2GHZ];
5386 } else if (ch.band == BRCMU_CHAN_BAND_5G) {
5387 band = wiphy->bands[IEEE80211_BAND_5GHZ];
5389 brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
5392 if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
5393 ch.bw == BRCMU_CHAN_BW_40)
5395 if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
5396 ch.bw == BRCMU_CHAN_BW_80)
5399 channel = band->channels;
5400 index = band->n_channels;
5401 for (j = 0; j < band->n_channels; j++) {
5402 if (channel[j].hw_value == ch.chnum) {
5407 channel[index].center_freq =
5408 ieee80211_channel_to_frequency(ch.chnum, band->band);
5409 channel[index].hw_value = ch.chnum;
5411 /* assuming the chanspecs order is HT20,
5412 * HT40 upper, HT40 lower, and VHT80.
5414 if (ch.bw == BRCMU_CHAN_BW_80) {
5415 channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
5416 } else if (ch.bw == BRCMU_CHAN_BW_40) {
5417 brcmf_update_bw40_channel_flag(&channel[index], &ch);
5419 /* disable other bandwidths for now as mentioned
5420 * order assure they are enabled for subsequent
5423 channel[index].flags = IEEE80211_CHAN_NO_HT40 |
5424 IEEE80211_CHAN_NO_80MHZ;
5425 ch.bw = BRCMU_CHAN_BW_20;
5426 cfg->d11inf.encchspec(&ch);
5427 chaninfo = ch.chspec;
5428 err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
5431 if (chaninfo & WL_CHAN_RADAR)
5432 channel[index].flags |=
5433 (IEEE80211_CHAN_RADAR |
5434 IEEE80211_CHAN_NO_IR);
5435 if (chaninfo & WL_CHAN_PASSIVE)
5436 channel[index].flags |=
5437 IEEE80211_CHAN_NO_IR;
5440 if (index == band->n_channels)
5447 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
5448 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
5449 wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
5455 static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
5457 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5458 struct ieee80211_supported_band *band;
5459 struct brcmf_fil_bwcap_le band_bwcap;
5460 struct brcmf_chanspec_list *list;
5464 struct brcmu_chan ch;
5468 /* verify support for bw_cap command */
5470 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
5473 /* only set 2G bandwidth using bw_cap command */
5474 band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
5475 band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
5476 err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
5477 sizeof(band_bwcap));
5479 brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
5480 val = WLC_N_BW_40ALL;
5481 err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
5485 /* update channel info in 2G band */
5486 pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
5491 ch.band = BRCMU_CHAN_BAND_2G;
5492 ch.bw = BRCMU_CHAN_BW_40;
5493 ch.sb = BRCMU_CHAN_SB_NONE;
5495 cfg->d11inf.encchspec(&ch);
5497 /* pass encoded chanspec in query */
5498 *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
5500 err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
5503 brcmf_err("get chanspecs error (%d)\n", err);
5508 band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
5509 list = (struct brcmf_chanspec_list *)pbuf;
5510 num_chan = le32_to_cpu(list->count);
5511 for (i = 0; i < num_chan; i++) {
5512 ch.chspec = (u16)le32_to_cpu(list->element[i]);
5513 cfg->d11inf.decchspec(&ch);
5514 if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
5516 if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
5518 for (j = 0; j < band->n_channels; j++) {
5519 if (band->channels[j].hw_value == ch.chnum)
5522 if (WARN_ON(j == band->n_channels))
5525 brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
5532 static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
5534 u32 band, mimo_bwcap;
5538 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5540 bw_cap[IEEE80211_BAND_2GHZ] = band;
5542 err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
5544 bw_cap[IEEE80211_BAND_5GHZ] = band;
5550 brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
5552 err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
5554 /* assume 20MHz if firmware does not give a clue */
5555 mimo_bwcap = WLC_N_BW_20ALL;
5557 switch (mimo_bwcap) {
5558 case WLC_N_BW_40ALL:
5559 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
5561 case WLC_N_BW_20IN2G_40IN5G:
5562 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
5564 case WLC_N_BW_20ALL:
5565 bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
5566 bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
5569 brcmf_err("invalid mimo_bw_cap value\n");
5573 static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
5574 u32 bw_cap[2], u32 nchain)
5576 band->ht_cap.ht_supported = true;
5577 if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
5578 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
5579 band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
5581 band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
5582 band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
5583 band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
5584 band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
5585 memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
5586 band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
5589 static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
5594 for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
5595 mcs_map = (mcs_map << 2) | supp;
5597 return cpu_to_le16(mcs_map);
5600 static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
5601 u32 bw_cap[2], u32 nchain)
5605 /* not allowed in 2.4G band */
5606 if (band->band == IEEE80211_BAND_2GHZ)
5609 band->vht_cap.vht_supported = true;
5610 /* 80MHz is mandatory */
5611 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
5612 if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
5613 band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
5614 band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
5616 /* all support 256-QAM */
5617 mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
5618 band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
5619 band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
5622 static int brcmf_setup_wiphybands(struct wiphy *wiphy)
5624 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
5625 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5628 u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
5633 struct ieee80211_supported_band *band;
5635 (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
5636 err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
5638 brcmf_err("nmode error (%d)\n", err);
5640 brcmf_get_bwcap(ifp, bw_cap);
5642 brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
5643 nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
5644 bw_cap[IEEE80211_BAND_5GHZ]);
5646 err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
5648 brcmf_err("rxchain error (%d)\n", err);
5651 for (nchain = 0; rxchain; nchain++)
5652 rxchain = rxchain & (rxchain - 1);
5654 brcmf_dbg(INFO, "nchain=%d\n", nchain);
5656 err = brcmf_construct_chaninfo(cfg, bw_cap);
5658 brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
5662 wiphy = cfg_to_wiphy(cfg);
5663 for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
5664 band = wiphy->bands[i];
5669 brcmf_update_ht_cap(band, bw_cap, nchain);
5671 brcmf_update_vht_cap(band, bw_cap, nchain);
5677 static const struct ieee80211_iface_limit brcmf_iface_limits_mbss[] = {
5680 .types = BIT(NL80211_IFTYPE_STATION) |
5681 BIT(NL80211_IFTYPE_ADHOC)
5685 .types = BIT(NL80211_IFTYPE_AP)
5689 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5690 BIT(NL80211_IFTYPE_P2P_GO)
5694 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5698 static const struct ieee80211_iface_limit brcmf_iface_limits_sbss[] = {
5701 .types = BIT(NL80211_IFTYPE_STATION) |
5702 BIT(NL80211_IFTYPE_ADHOC) |
5703 BIT(NL80211_IFTYPE_AP)
5707 .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
5708 BIT(NL80211_IFTYPE_P2P_GO)
5712 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
5715 static struct ieee80211_iface_combination brcmf_iface_combos[] = {
5717 .max_interfaces = BRCMF_IFACE_MAX_CNT,
5718 .num_different_channels = 1,
5719 .n_limits = ARRAY_SIZE(brcmf_iface_limits_sbss),
5720 .limits = brcmf_iface_limits_sbss,
5724 static const struct ieee80211_txrx_stypes
5725 brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
5726 [NL80211_IFTYPE_STATION] = {
5728 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5729 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5731 [NL80211_IFTYPE_P2P_CLIENT] = {
5733 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5734 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5736 [NL80211_IFTYPE_P2P_GO] = {
5738 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
5739 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
5740 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
5741 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
5742 BIT(IEEE80211_STYPE_AUTH >> 4) |
5743 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
5744 BIT(IEEE80211_STYPE_ACTION >> 4)
5746 [NL80211_IFTYPE_P2P_DEVICE] = {
5748 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
5749 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
5753 static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
5755 /* scheduled scan settings */
5756 wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
5757 wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
5758 wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5759 wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
5763 static const struct wiphy_wowlan_support brcmf_wowlan_support = {
5764 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
5765 .n_patterns = BRCMF_WOWL_MAXPATTERNS,
5766 .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
5767 .pattern_min_len = 1,
5768 .max_pkt_offset = 1500,
5772 static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
5776 wiphy->wowlan = &brcmf_wowlan_support;
5780 static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
5782 struct ieee80211_iface_combination ifc_combo;
5783 wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
5784 wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
5785 wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
5786 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
5787 BIT(NL80211_IFTYPE_ADHOC) |
5788 BIT(NL80211_IFTYPE_AP) |
5789 BIT(NL80211_IFTYPE_P2P_CLIENT) |
5790 BIT(NL80211_IFTYPE_P2P_GO) |
5791 BIT(NL80211_IFTYPE_P2P_DEVICE);
5792 /* need VSDB firmware feature for concurrent channels */
5793 ifc_combo = brcmf_iface_combos[0];
5794 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
5795 ifc_combo.num_different_channels = 2;
5796 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) {
5797 ifc_combo.n_limits = ARRAY_SIZE(brcmf_iface_limits_mbss),
5798 ifc_combo.limits = brcmf_iface_limits_mbss;
5800 wiphy->iface_combinations = kmemdup(&ifc_combo,
5803 wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
5804 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
5805 wiphy->cipher_suites = __wl_cipher_suites;
5806 wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
5807 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
5808 WIPHY_FLAG_OFFCHAN_TX |
5809 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
5810 WIPHY_FLAG_SUPPORTS_TDLS;
5812 wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
5813 wiphy->mgmt_stypes = brcmf_txrx_stypes;
5814 wiphy->max_remain_on_channel_duration = 5000;
5815 brcmf_wiphy_pno_params(wiphy);
5817 /* vendor commands/events support */
5818 wiphy->vendor_commands = brcmf_vendor_cmds;
5819 wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
5821 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
5822 brcmf_wiphy_wowl_params(wiphy);
5824 return brcmf_setup_wiphybands(wiphy);
5827 static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
5829 struct net_device *ndev;
5830 struct wireless_dev *wdev;
5831 struct brcmf_if *ifp;
5838 ndev = cfg_to_ndev(cfg);
5839 wdev = ndev->ieee80211_ptr;
5840 ifp = netdev_priv(ndev);
5842 /* make sure RF is ready for work */
5843 brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
5845 brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
5846 WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
5848 power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
5849 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
5851 goto default_conf_out;
5852 brcmf_dbg(INFO, "power save set to %s\n",
5853 (power_mode ? "enabled" : "disabled"));
5855 err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
5857 goto default_conf_out;
5858 err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
5861 goto default_conf_out;
5863 brcmf_configure_arp_offload(ifp, true);
5865 cfg->dongle_up = true;
5872 static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
5874 set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5876 return brcmf_config_dongle(ifp->drvr->config);
5879 static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
5881 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5884 * While going down, if associated with AP disassociate
5885 * from AP to save power
5887 if (check_vif_up(ifp->vif)) {
5888 brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED);
5890 /* Make sure WPA_Supplicant receives all the event
5891 generated due to DISASSOC call to the fw to keep
5892 the state fw and WPA_Supplicant state consistent
5897 brcmf_abort_scanning(cfg);
5898 clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
5903 s32 brcmf_cfg80211_up(struct net_device *ndev)
5905 struct brcmf_if *ifp = netdev_priv(ndev);
5906 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5909 mutex_lock(&cfg->usr_sync);
5910 err = __brcmf_cfg80211_up(ifp);
5911 mutex_unlock(&cfg->usr_sync);
5916 s32 brcmf_cfg80211_down(struct net_device *ndev)
5918 struct brcmf_if *ifp = netdev_priv(ndev);
5919 struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
5922 mutex_lock(&cfg->usr_sync);
5923 err = __brcmf_cfg80211_down(ifp);
5924 mutex_unlock(&cfg->usr_sync);
5929 enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
5931 struct wireless_dev *wdev = &ifp->vif->wdev;
5933 return wdev->iftype;
5936 bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
5937 unsigned long state)
5939 struct brcmf_cfg80211_vif *vif;
5941 list_for_each_entry(vif, &cfg->vif_list, list) {
5942 if (test_bit(state, &vif->sme_state))
5948 static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
5953 mutex_lock(&event->vif_event_lock);
5954 evt_action = event->action;
5955 mutex_unlock(&event->vif_event_lock);
5956 return evt_action == action;
5959 void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
5960 struct brcmf_cfg80211_vif *vif)
5962 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5964 mutex_lock(&event->vif_event_lock);
5967 mutex_unlock(&event->vif_event_lock);
5970 bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
5972 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5975 mutex_lock(&event->vif_event_lock);
5976 armed = event->vif != NULL;
5977 mutex_unlock(&event->vif_event_lock);
5981 int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
5982 u8 action, ulong timeout)
5984 struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
5986 return wait_event_timeout(event->vif_wq,
5987 vif_event_equals(event, action), timeout);
5990 static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy,
5991 struct regulatory_request *req)
5993 struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
5994 struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
5995 struct brcmf_fil_country_le ccreq;
5998 brcmf_dbg(TRACE, "enter: initiator=%d, alpha=%c%c\n", req->initiator,
5999 req->alpha2[0], req->alpha2[1]);
6001 /* ignore non-ISO3166 country codes */
6002 for (i = 0; i < sizeof(req->alpha2); i++)
6003 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
6004 brcmf_err("not a ISO3166 code\n");
6007 memset(&ccreq, 0, sizeof(ccreq));
6008 ccreq.rev = cpu_to_le32(-1);
6009 memcpy(ccreq.ccode, req->alpha2, sizeof(req->alpha2));
6010 brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq));
6013 static void brcmf_free_wiphy(struct wiphy *wiphy)
6015 kfree(wiphy->iface_combinations);
6016 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6017 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
6018 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
6020 if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
6021 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
6022 kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
6027 struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
6028 struct device *busdev)
6030 struct net_device *ndev = drvr->iflist[0]->ndev;
6031 struct brcmf_cfg80211_info *cfg;
6032 struct wiphy *wiphy;
6033 struct brcmf_cfg80211_vif *vif;
6034 struct brcmf_if *ifp;
6040 brcmf_err("ndev is invalid\n");
6044 ifp = netdev_priv(ndev);
6045 wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
6047 brcmf_err("Could not allocate wiphy device\n");
6050 set_wiphy_dev(wiphy, busdev);
6052 cfg = wiphy_priv(wiphy);
6055 init_vif_event(&cfg->vif_event);
6056 INIT_LIST_HEAD(&cfg->vif_list);
6058 vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
6063 vif->wdev.netdev = ndev;
6064 ndev->ieee80211_ptr = &vif->wdev;
6065 SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
6067 err = wl_init_priv(cfg);
6069 brcmf_err("Failed to init iwm_priv (%d)\n", err);
6070 brcmf_free_vif(vif);
6075 /* determine d11 io type before wiphy setup */
6076 err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
6078 brcmf_err("Failed to get D11 version (%d)\n", err);
6081 cfg->d11inf.io_type = (u8)io_type;
6082 brcmu_d11_attach(&cfg->d11inf);
6084 err = brcmf_setup_wiphy(wiphy, ifp);
6088 brcmf_dbg(INFO, "Registering custom regulatory\n");
6089 wiphy->reg_notifier = brcmf_cfg80211_reg_notifier;
6090 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
6091 wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
6093 /* firmware defaults to 40MHz disabled in 2G band. We signal
6094 * cfg80211 here that we do and have it decide we can enable
6095 * it. But first check if device does support 2G operation.
6097 if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
6098 cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
6099 *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6101 err = wiphy_register(wiphy);
6103 brcmf_err("Could not register wiphy device (%d)\n", err);
6107 /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
6108 * setup 40MHz in 2GHz band and enable OBSS scanning.
6110 if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
6111 err = brcmf_enable_bw40_2g(cfg);
6113 err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
6114 BRCMF_OBSS_COEX_AUTO);
6116 *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
6119 err = brcmf_p2p_attach(cfg);
6121 brcmf_err("P2P initilisation failed (%d)\n", err);
6122 goto wiphy_unreg_out;
6124 err = brcmf_btcoex_attach(cfg);
6126 brcmf_err("BT-coex initialisation failed (%d)\n", err);
6127 brcmf_p2p_detach(&cfg->p2p);
6128 goto wiphy_unreg_out;
6131 err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
6133 brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
6134 wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
6136 brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
6137 brcmf_notify_tdls_peer_event);
6143 wiphy_unregister(cfg->wiphy);
6145 wl_deinit_priv(cfg);
6146 brcmf_free_vif(vif);
6148 brcmf_free_wiphy(wiphy);
6152 void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
6157 WARN_ON(!list_empty(&cfg->vif_list));
6158 wiphy_unregister(cfg->wiphy);
6159 brcmf_btcoex_detach(cfg);
6160 brcmf_p2p_detach(&cfg->p2p);
6161 wl_deinit_priv(cfg);
6162 brcmf_free_wiphy(cfg->wiphy);