| /* |
| * Copyright (c) 2010 Broadcom Corporation |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ |
| |
| #include <linux/kernel.h> |
| #include <linux/etherdevice.h> |
| #include <linux/module.h> |
| #include <linux/vmalloc.h> |
| #include <net/cfg80211.h> |
| #include <net/netlink.h> |
| |
| #include <brcmu_utils.h> |
| #include <defs.h> |
| #include <brcmu_wifi.h> |
| #include "core.h" |
| #include "debug.h" |
| #include "tracepoint.h" |
| #include "fwil_types.h" |
| #include "p2p.h" |
| #include "btcoex.h" |
| #include "cfg80211.h" |
| #include "feature.h" |
| #include "fwil.h" |
| #include "proto.h" |
| #include "vendor.h" |
| #include "bus.h" |
| #include "common.h" |
| |
| #define BRCMF_SCAN_IE_LEN_MAX 2048 |
| #define BRCMF_PNO_VERSION 2 |
| #define BRCMF_PNO_TIME 30 |
| #define BRCMF_PNO_REPEAT 4 |
| #define BRCMF_PNO_FREQ_EXPO_MAX 3 |
| #define BRCMF_PNO_MAX_PFN_COUNT 16 |
| #define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6 |
| #define BRCMF_PNO_HIDDEN_BIT 2 |
| #define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF |
| #define BRCMF_PNO_SCAN_COMPLETE 1 |
| #define BRCMF_PNO_SCAN_INCOMPLETE 0 |
| |
| #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */ |
| #define WPA_OUI_TYPE 1 |
| #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */ |
| #define WME_OUI_TYPE 2 |
| #define WPS_OUI_TYPE 4 |
| |
| #define VS_IE_FIXED_HDR_LEN 6 |
| #define WPA_IE_VERSION_LEN 2 |
| #define WPA_IE_MIN_OUI_LEN 4 |
| #define WPA_IE_SUITE_COUNT_LEN 2 |
| |
| #define WPA_CIPHER_NONE 0 /* None */ |
| #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */ |
| #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */ |
| #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */ |
| #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */ |
| |
| #define RSN_AKM_NONE 0 /* None (IBSS) */ |
| #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */ |
| #define RSN_AKM_PSK 2 /* Pre-shared Key */ |
| #define RSN_AKM_SHA256_1X 5 /* SHA256, 802.1X */ |
| #define RSN_AKM_SHA256_PSK 6 /* SHA256, Pre-shared Key */ |
| #define RSN_CAP_LEN 2 /* Length of RSN capabilities */ |
| #define RSN_CAP_PTK_REPLAY_CNTR_MASK (BIT(2) | BIT(3)) |
| #define RSN_CAP_MFPR_MASK BIT(6) |
| #define RSN_CAP_MFPC_MASK BIT(7) |
| #define RSN_PMKID_COUNT_LEN 2 |
| |
| #define VNDR_IE_CMD_LEN 4 /* length of the set command |
| * string :"add", "del" (+ NUL) |
| */ |
| #define VNDR_IE_COUNT_OFFSET 4 |
| #define VNDR_IE_PKTFLAG_OFFSET 8 |
| #define VNDR_IE_VSIE_OFFSET 12 |
| #define VNDR_IE_HDR_SIZE 12 |
| #define VNDR_IE_PARSE_LIMIT 5 |
| |
| #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ |
| #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ |
| |
| #define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320 |
| #define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400 |
| #define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20 |
| |
| #define BRCMF_SCAN_CHANNEL_TIME 40 |
| #define BRCMF_SCAN_UNASSOC_TIME 40 |
| #define BRCMF_SCAN_PASSIVE_TIME 120 |
| |
| #define BRCMF_ND_INFO_TIMEOUT msecs_to_jiffies(2000) |
| |
| #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ |
| (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) |
| |
| static bool check_vif_up(struct brcmf_cfg80211_vif *vif) |
| { |
| if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) { |
| brcmf_dbg(INFO, "device is not ready : status (%lu)\n", |
| vif->sme_state); |
| return false; |
| } |
| return true; |
| } |
| |
| #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) |
| #define RATETAB_ENT(_rateid, _flags) \ |
| { \ |
| .bitrate = RATE_TO_BASE100KBPS(_rateid), \ |
| .hw_value = (_rateid), \ |
| .flags = (_flags), \ |
| } |
| |
| static struct ieee80211_rate __wl_rates[] = { |
| RATETAB_ENT(BRCM_RATE_1M, 0), |
| RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), |
| RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), |
| RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), |
| RATETAB_ENT(BRCM_RATE_6M, 0), |
| RATETAB_ENT(BRCM_RATE_9M, 0), |
| RATETAB_ENT(BRCM_RATE_12M, 0), |
| RATETAB_ENT(BRCM_RATE_18M, 0), |
| RATETAB_ENT(BRCM_RATE_24M, 0), |
| RATETAB_ENT(BRCM_RATE_36M, 0), |
| RATETAB_ENT(BRCM_RATE_48M, 0), |
| RATETAB_ENT(BRCM_RATE_54M, 0), |
| }; |
| |
| #define wl_g_rates (__wl_rates + 0) |
| #define wl_g_rates_size ARRAY_SIZE(__wl_rates) |
| #define wl_a_rates (__wl_rates + 4) |
| #define wl_a_rates_size (wl_g_rates_size - 4) |
| |
| #define CHAN2G(_channel, _freq) { \ |
| .band = NL80211_BAND_2GHZ, \ |
| .center_freq = (_freq), \ |
| .hw_value = (_channel), \ |
| .flags = IEEE80211_CHAN_DISABLED, \ |
| .max_antenna_gain = 0, \ |
| .max_power = 30, \ |
| } |
| |
| #define CHAN5G(_channel) { \ |
| .band = NL80211_BAND_5GHZ, \ |
| .center_freq = 5000 + (5 * (_channel)), \ |
| .hw_value = (_channel), \ |
| .flags = IEEE80211_CHAN_DISABLED, \ |
| .max_antenna_gain = 0, \ |
| .max_power = 30, \ |
| } |
| |
| static struct ieee80211_channel __wl_2ghz_channels[] = { |
| CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427), |
| CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447), |
| CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467), |
| CHAN2G(13, 2472), CHAN2G(14, 2484) |
| }; |
| |
| static struct ieee80211_channel __wl_5ghz_channels[] = { |
| CHAN5G(34), CHAN5G(36), CHAN5G(38), CHAN5G(40), CHAN5G(42), |
| CHAN5G(44), CHAN5G(46), CHAN5G(48), CHAN5G(52), CHAN5G(56), |
| CHAN5G(60), CHAN5G(64), CHAN5G(100), CHAN5G(104), CHAN5G(108), |
| CHAN5G(112), CHAN5G(116), CHAN5G(120), CHAN5G(124), CHAN5G(128), |
| CHAN5G(132), CHAN5G(136), CHAN5G(140), CHAN5G(144), CHAN5G(149), |
| CHAN5G(153), CHAN5G(157), CHAN5G(161), CHAN5G(165) |
| }; |
| |
| /* Band templates duplicated per wiphy. The channel info |
| * above is added to the band during setup. |
| */ |
| static const struct ieee80211_supported_band __wl_band_2ghz = { |
| .band = NL80211_BAND_2GHZ, |
| .bitrates = wl_g_rates, |
| .n_bitrates = wl_g_rates_size, |
| }; |
| |
| static const struct ieee80211_supported_band __wl_band_5ghz = { |
| .band = NL80211_BAND_5GHZ, |
| .bitrates = wl_a_rates, |
| .n_bitrates = wl_a_rates_size, |
| }; |
| |
| /* This is to override regulatory domains defined in cfg80211 module (reg.c) |
| * By default world regulatory domain defined in reg.c puts the flags |
| * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165). |
| * With respect to these flags, wpa_supplicant doesn't * start p2p |
| * operations on 5GHz channels. All the changes in world regulatory |
| * domain are to be done here. |
| */ |
| static const struct ieee80211_regdomain brcmf_regdom = { |
| .n_reg_rules = 4, |
| .alpha2 = "99", |
| .reg_rules = { |
| /* IEEE 802.11b/g, channels 1..11 */ |
| REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), |
| /* If any */ |
| /* IEEE 802.11 channel 14 - Only JP enables |
| * this and for 802.11b only |
| */ |
| REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), |
| /* IEEE 802.11a, channel 36..64 */ |
| REG_RULE(5150-10, 5350+10, 80, 6, 20, 0), |
| /* IEEE 802.11a, channel 100..165 */ |
| REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), } |
| }; |
| |
| /* Note: brcmf_cipher_suites is an array of int defining which cipher suites |
| * are supported. A pointer to this array and the number of entries is passed |
| * on to upper layers. AES_CMAC defines whether or not the driver supports MFP. |
| * So the cipher suite AES_CMAC has to be the last one in the array, and when |
| * device does not support MFP then the number of suites will be decreased by 1 |
| */ |
| static const u32 brcmf_cipher_suites[] = { |
| WLAN_CIPHER_SUITE_WEP40, |
| WLAN_CIPHER_SUITE_WEP104, |
| WLAN_CIPHER_SUITE_TKIP, |
| WLAN_CIPHER_SUITE_CCMP, |
| /* Keep as last entry: */ |
| WLAN_CIPHER_SUITE_AES_CMAC |
| }; |
| |
| /* Vendor specific ie. id = 221, oui and type defines exact ie */ |
| struct brcmf_vs_tlv { |
| u8 id; |
| u8 len; |
| u8 oui[3]; |
| u8 oui_type; |
| }; |
| |
| struct parsed_vndr_ie_info { |
| u8 *ie_ptr; |
| u32 ie_len; /* total length including id & length field */ |
| struct brcmf_vs_tlv vndrie; |
| }; |
| |
| struct parsed_vndr_ies { |
| u32 count; |
| struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT]; |
| }; |
| |
| static u8 nl80211_band_to_fwil(enum nl80211_band band) |
| { |
| switch (band) { |
| case NL80211_BAND_2GHZ: |
| return WLC_BAND_2G; |
| case NL80211_BAND_5GHZ: |
| return WLC_BAND_5G; |
| default: |
| WARN_ON(1); |
| break; |
| } |
| return 0; |
| } |
| |
| static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, |
| struct cfg80211_chan_def *ch) |
| { |
| struct brcmu_chan ch_inf; |
| s32 primary_offset; |
| |
| brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n", |
| ch->chan->center_freq, ch->center_freq1, ch->width); |
| ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1); |
| primary_offset = ch->chan->center_freq - ch->center_freq1; |
| switch (ch->width) { |
| case NL80211_CHAN_WIDTH_20: |
| case NL80211_CHAN_WIDTH_20_NOHT: |
| ch_inf.bw = BRCMU_CHAN_BW_20; |
| WARN_ON(primary_offset != 0); |
| break; |
| case NL80211_CHAN_WIDTH_40: |
| ch_inf.bw = BRCMU_CHAN_BW_40; |
| if (primary_offset > 0) |
| ch_inf.sb = BRCMU_CHAN_SB_U; |
| else |
| ch_inf.sb = BRCMU_CHAN_SB_L; |
| break; |
| case NL80211_CHAN_WIDTH_80: |
| ch_inf.bw = BRCMU_CHAN_BW_80; |
| if (primary_offset == -30) |
| ch_inf.sb = BRCMU_CHAN_SB_LL; |
| else if (primary_offset == -10) |
| ch_inf.sb = BRCMU_CHAN_SB_LU; |
| else if (primary_offset == 10) |
| ch_inf.sb = BRCMU_CHAN_SB_UL; |
| else |
| ch_inf.sb = BRCMU_CHAN_SB_UU; |
| break; |
| case NL80211_CHAN_WIDTH_80P80: |
| case NL80211_CHAN_WIDTH_160: |
| case NL80211_CHAN_WIDTH_5: |
| case NL80211_CHAN_WIDTH_10: |
| default: |
| WARN_ON_ONCE(1); |
| } |
| switch (ch->chan->band) { |
| case NL80211_BAND_2GHZ: |
| ch_inf.band = BRCMU_CHAN_BAND_2G; |
| break; |
| case NL80211_BAND_5GHZ: |
| ch_inf.band = BRCMU_CHAN_BAND_5G; |
| break; |
| case NL80211_BAND_60GHZ: |
| default: |
| WARN_ON_ONCE(1); |
| } |
| d11inf->encchspec(&ch_inf); |
| |
| return ch_inf.chspec; |
| } |
| |
| u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, |
| struct ieee80211_channel *ch) |
| { |
| struct brcmu_chan ch_inf; |
| |
| ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq); |
| ch_inf.bw = BRCMU_CHAN_BW_20; |
| d11inf->encchspec(&ch_inf); |
| |
| return ch_inf.chspec; |
| } |
| |
| /* Traverse a string of 1-byte tag/1-byte length/variable-length value |
| * triples, returning a pointer to the substring whose first element |
| * matches tag |
| */ |
| const struct brcmf_tlv * |
| brcmf_parse_tlvs(const void *buf, int buflen, uint key) |
| { |
| const struct brcmf_tlv *elt = buf; |
| int totlen = buflen; |
| |
| /* find tagged parameter */ |
| while (totlen >= TLV_HDR_LEN) { |
| int len = elt->len; |
| |
| /* validate remaining totlen */ |
| if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) |
| return elt; |
| |
| elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN)); |
| totlen -= (len + TLV_HDR_LEN); |
| } |
| |
| return NULL; |
| } |
| |
| /* Is any of the tlvs the expected entry? If |
| * not update the tlvs buffer pointer/length. |
| */ |
| static bool |
| brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, |
| const u8 *oui, u32 oui_len, u8 type) |
| { |
| /* If the contents match the OUI and the type */ |
| if (ie[TLV_LEN_OFF] >= oui_len + 1 && |
| !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && |
| type == ie[TLV_BODY_OFF + oui_len]) { |
| return true; |
| } |
| |
| if (tlvs == NULL) |
| return false; |
| /* point to the next ie */ |
| ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; |
| /* calculate the length of the rest of the buffer */ |
| *tlvs_len -= (int)(ie - *tlvs); |
| /* update the pointer to the start of the buffer */ |
| *tlvs = ie; |
| |
| return false; |
| } |
| |
| static struct brcmf_vs_tlv * |
| brcmf_find_wpaie(const u8 *parse, u32 len) |
| { |
| const struct brcmf_tlv *ie; |
| |
| while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { |
| if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len, |
| WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) |
| return (struct brcmf_vs_tlv *)ie; |
| } |
| return NULL; |
| } |
| |
| static struct brcmf_vs_tlv * |
| brcmf_find_wpsie(const u8 *parse, u32 len) |
| { |
| const struct brcmf_tlv *ie; |
| |
| while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { |
| if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, |
| WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE)) |
| return (struct brcmf_vs_tlv *)ie; |
| } |
| return NULL; |
| } |
| |
| static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_cfg80211_vif *vif, |
| enum nl80211_iftype new_type) |
| { |
| struct brcmf_cfg80211_vif *pos; |
| bool check_combos = false; |
| int ret = 0; |
| struct iface_combination_params params = { |
| .num_different_channels = 1, |
| }; |
| |
| list_for_each_entry(pos, &cfg->vif_list, list) |
| if (pos == vif) { |
| params.iftype_num[new_type]++; |
| } else { |
| /* concurrent interfaces so need check combinations */ |
| check_combos = true; |
| params.iftype_num[pos->wdev.iftype]++; |
| } |
| |
| if (check_combos) |
| ret = cfg80211_check_combinations(cfg->wiphy, ¶ms); |
| |
| return ret; |
| } |
| |
| static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg, |
| enum nl80211_iftype new_type) |
| { |
| struct brcmf_cfg80211_vif *pos; |
| struct iface_combination_params params = { |
| .num_different_channels = 1, |
| }; |
| |
| list_for_each_entry(pos, &cfg->vif_list, list) |
| params.iftype_num[pos->wdev.iftype]++; |
| |
| params.iftype_num[new_type]++; |
| return cfg80211_check_combinations(cfg->wiphy, ¶ms); |
| } |
| |
| static void convert_key_from_CPU(struct brcmf_wsec_key *key, |
| struct brcmf_wsec_key_le *key_le) |
| { |
| key_le->index = cpu_to_le32(key->index); |
| key_le->len = cpu_to_le32(key->len); |
| key_le->algo = cpu_to_le32(key->algo); |
| key_le->flags = cpu_to_le32(key->flags); |
| key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); |
| key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); |
| key_le->iv_initialized = cpu_to_le32(key->iv_initialized); |
| memcpy(key_le->data, key->data, sizeof(key->data)); |
| memcpy(key_le->ea, key->ea, sizeof(key->ea)); |
| } |
| |
| static int |
| send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key) |
| { |
| int err; |
| struct brcmf_wsec_key_le key_le; |
| |
| convert_key_from_CPU(key, &key_le); |
| |
| brcmf_netdev_wait_pend8021x(ifp); |
| |
| err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le, |
| sizeof(key_le)); |
| |
| if (err) |
| brcmf_err("wsec_key error (%d)\n", err); |
| return err; |
| } |
| |
| static s32 |
| brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable) |
| { |
| s32 err; |
| u32 mode; |
| |
| if (enable) |
| mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY; |
| else |
| mode = 0; |
| |
| /* Try to set and enable ARP offload feature, this may fail, then it */ |
| /* is simply not supported and err 0 will be returned */ |
| err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode); |
| if (err) { |
| brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n", |
| mode, err); |
| err = 0; |
| } else { |
| err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable); |
| if (err) { |
| brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n", |
| enable, err); |
| err = 0; |
| } else |
| brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n", |
| enable, mode); |
| } |
| |
| err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable); |
| if (err) { |
| brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n", |
| enable, err); |
| err = 0; |
| } else |
| brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n", |
| enable, mode); |
| |
| return err; |
| } |
| |
| static void |
| brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev) |
| { |
| struct brcmf_cfg80211_vif *vif; |
| struct brcmf_if *ifp; |
| |
| vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); |
| ifp = vif->ifp; |
| |
| if ((wdev->iftype == NL80211_IFTYPE_ADHOC) || |
| (wdev->iftype == NL80211_IFTYPE_AP) || |
| (wdev->iftype == NL80211_IFTYPE_P2P_GO)) |
| brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, |
| ADDR_DIRECT); |
| else |
| brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, |
| ADDR_INDIRECT); |
| } |
| |
| static int brcmf_get_first_free_bsscfgidx(struct brcmf_pub *drvr) |
| { |
| int bsscfgidx; |
| |
| for (bsscfgidx = 0; bsscfgidx < BRCMF_MAX_IFS; bsscfgidx++) { |
| /* bsscfgidx 1 is reserved for legacy P2P */ |
| if (bsscfgidx == 1) |
| continue; |
| if (!drvr->iflist[bsscfgidx]) |
| return bsscfgidx; |
| } |
| |
| return -ENOMEM; |
| } |
| |
| static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp) |
| { |
| struct brcmf_mbss_ssid_le mbss_ssid_le; |
| int bsscfgidx; |
| int err; |
| |
| memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le)); |
| bsscfgidx = brcmf_get_first_free_bsscfgidx(ifp->drvr); |
| if (bsscfgidx < 0) |
| return bsscfgidx; |
| |
| mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx); |
| mbss_ssid_le.SSID_len = cpu_to_le32(5); |
| sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx); |
| |
| err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le, |
| sizeof(mbss_ssid_le)); |
| if (err < 0) |
| brcmf_err("setting ssid failed %d\n", err); |
| |
| return err; |
| } |
| |
| /** |
| * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS |
| * |
| * @wiphy: wiphy device of new interface. |
| * @name: name of the new interface. |
| * @flags: not used. |
| * @params: contains mac address for AP device. |
| */ |
| static |
| struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name, |
| u32 *flags, struct vif_params *params) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
| struct brcmf_cfg80211_vif *vif; |
| int err; |
| |
| if (brcmf_cfg80211_vif_event_armed(cfg)) |
| return ERR_PTR(-EBUSY); |
| |
| brcmf_dbg(INFO, "Adding vif \"%s\"\n", name); |
| |
| vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP); |
| if (IS_ERR(vif)) |
| return (struct wireless_dev *)vif; |
| |
| brcmf_cfg80211_arm_vif_event(cfg, vif); |
| |
| err = brcmf_cfg80211_request_ap_if(ifp); |
| if (err) { |
| brcmf_cfg80211_arm_vif_event(cfg, NULL); |
| goto fail; |
| } |
| |
| /* wait for firmware event */ |
| err = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_ADD, |
| BRCMF_VIF_EVENT_TIMEOUT); |
| brcmf_cfg80211_arm_vif_event(cfg, NULL); |
| if (!err) { |
| brcmf_err("timeout occurred\n"); |
| err = -EIO; |
| goto fail; |
| } |
| |
| /* interface created in firmware */ |
| ifp = vif->ifp; |
| if (!ifp) { |
| brcmf_err("no if pointer provided\n"); |
| err = -ENOENT; |
| goto fail; |
| } |
| |
| strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); |
| err = brcmf_net_attach(ifp, true); |
| if (err) { |
| brcmf_err("Registering netdevice failed\n"); |
| goto fail; |
| } |
| |
| return &ifp->vif->wdev; |
| |
| fail: |
| brcmf_free_vif(vif); |
| return ERR_PTR(err); |
| } |
| |
| static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif) |
| { |
| enum nl80211_iftype iftype; |
| |
| iftype = vif->wdev.iftype; |
| return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO; |
| } |
| |
| static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) |
| { |
| return vif->wdev.iftype == NL80211_IFTYPE_ADHOC; |
| } |
| |
| static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, |
| const char *name, |
| unsigned char name_assign_type, |
| enum nl80211_iftype type, |
| u32 *flags, |
| struct vif_params *params) |
| { |
| struct wireless_dev *wdev; |
| int err; |
| |
| brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); |
| err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type); |
| if (err) { |
| brcmf_err("iface validation failed: err=%d\n", err); |
| return ERR_PTR(err); |
| } |
| switch (type) { |
| case NL80211_IFTYPE_ADHOC: |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_AP_VLAN: |
| case NL80211_IFTYPE_WDS: |
| case NL80211_IFTYPE_MONITOR: |
| case NL80211_IFTYPE_MESH_POINT: |
| return ERR_PTR(-EOPNOTSUPP); |
| case NL80211_IFTYPE_AP: |
| wdev = brcmf_ap_add_vif(wiphy, name, flags, params); |
| break; |
| case NL80211_IFTYPE_P2P_CLIENT: |
| case NL80211_IFTYPE_P2P_GO: |
| case NL80211_IFTYPE_P2P_DEVICE: |
| wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, flags, params); |
| break; |
| case NL80211_IFTYPE_UNSPECIFIED: |
| default: |
| return ERR_PTR(-EINVAL); |
| } |
| |
| if (IS_ERR(wdev)) |
| brcmf_err("add iface %s type %d failed: err=%d\n", |
| name, type, (int)PTR_ERR(wdev)); |
| else |
| brcmf_cfg80211_update_proto_addr_mode(wdev); |
| |
| return wdev; |
| } |
| |
| static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc) |
| { |
| if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC)) |
| brcmf_set_mpc(ifp, mpc); |
| } |
| |
| void brcmf_set_mpc(struct brcmf_if *ifp, int mpc) |
| { |
| s32 err = 0; |
| |
| if (check_vif_up(ifp->vif)) { |
| err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); |
| if (err) { |
| brcmf_err("fail to set mpc\n"); |
| return; |
| } |
| brcmf_dbg(INFO, "MPC : %d\n", mpc); |
| } |
| } |
| |
| s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_if *ifp, bool aborted, |
| bool fw_abort) |
| { |
| struct brcmf_scan_params_le params_le; |
| struct cfg80211_scan_request *scan_request; |
| s32 err = 0; |
| |
| brcmf_dbg(SCAN, "Enter\n"); |
| |
| /* clear scan request, because the FW abort can cause a second call */ |
| /* to this functon and might cause a double cfg80211_scan_done */ |
| scan_request = cfg->scan_request; |
| cfg->scan_request = NULL; |
| |
| if (timer_pending(&cfg->escan_timeout)) |
| del_timer_sync(&cfg->escan_timeout); |
| |
| if (fw_abort) { |
| /* Do a scan abort to stop the driver's scan engine */ |
| brcmf_dbg(SCAN, "ABORT scan in firmware\n"); |
| memset(¶ms_le, 0, sizeof(params_le)); |
| eth_broadcast_addr(params_le.bssid); |
| params_le.bss_type = DOT11_BSSTYPE_ANY; |
| params_le.scan_type = 0; |
| params_le.channel_num = cpu_to_le32(1); |
| params_le.nprobes = cpu_to_le32(1); |
| params_le.active_time = cpu_to_le32(-1); |
| params_le.passive_time = cpu_to_le32(-1); |
| params_le.home_time = cpu_to_le32(-1); |
| /* Scan is aborted by setting channel_list[0] to -1 */ |
| params_le.channel_list[0] = cpu_to_le16(-1); |
| /* E-Scan (or anyother type) can be aborted by SCAN */ |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, |
| ¶ms_le, sizeof(params_le)); |
| if (err) |
| brcmf_err("Scan abort failed\n"); |
| } |
| |
| brcmf_scan_config_mpc(ifp, 1); |
| |
| /* |
| * e-scan can be initiated by scheduled scan |
| * which takes precedence. |
| */ |
| if (cfg->sched_escan) { |
| brcmf_dbg(SCAN, "scheduled scan completed\n"); |
| cfg->sched_escan = false; |
| if (!aborted) |
| cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); |
| } else if (scan_request) { |
| struct cfg80211_scan_info info = { |
| .aborted = aborted, |
| }; |
| |
| brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", |
| aborted ? "Aborted" : "Done"); |
| cfg80211_scan_done(scan_request, &info); |
| } |
| if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) |
| brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n"); |
| |
| return err; |
| } |
| |
| static int brcmf_cfg80211_del_ap_iface(struct wiphy *wiphy, |
| struct wireless_dev *wdev) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
| struct net_device *ndev = wdev->netdev; |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| int ret; |
| int err; |
| |
| brcmf_cfg80211_arm_vif_event(cfg, ifp->vif); |
| |
| err = brcmf_fil_bsscfg_data_set(ifp, "interface_remove", NULL, 0); |
| if (err) { |
| brcmf_err("interface_remove failed %d\n", err); |
| goto err_unarm; |
| } |
| |
| /* wait for firmware event */ |
| ret = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_DEL, |
| BRCMF_VIF_EVENT_TIMEOUT); |
| if (!ret) { |
| brcmf_err("timeout occurred\n"); |
| err = -EIO; |
| goto err_unarm; |
| } |
| |
| brcmf_remove_interface(ifp, true); |
| |
| err_unarm: |
| brcmf_cfg80211_arm_vif_event(cfg, NULL); |
| return err; |
| } |
| |
| static |
| int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
| struct net_device *ndev = wdev->netdev; |
| |
| if (ndev && ndev == cfg_to_ndev(cfg)) |
| return -ENOTSUPP; |
| |
| /* vif event pending in firmware */ |
| if (brcmf_cfg80211_vif_event_armed(cfg)) |
| return -EBUSY; |
| |
| if (ndev) { |
| if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) && |
| cfg->escan_info.ifp == netdev_priv(ndev)) |
| brcmf_notify_escan_complete(cfg, netdev_priv(ndev), |
| true, true); |
| |
| brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1); |
| } |
| |
| switch (wdev->iftype) { |
| case NL80211_IFTYPE_ADHOC: |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_AP_VLAN: |
| case NL80211_IFTYPE_WDS: |
| case NL80211_IFTYPE_MONITOR: |
| case NL80211_IFTYPE_MESH_POINT: |
| return -EOPNOTSUPP; |
| case NL80211_IFTYPE_AP: |
| return brcmf_cfg80211_del_ap_iface(wiphy, wdev); |
| case NL80211_IFTYPE_P2P_CLIENT: |
| case NL80211_IFTYPE_P2P_GO: |
| case NL80211_IFTYPE_P2P_DEVICE: |
| return brcmf_p2p_del_vif(wiphy, wdev); |
| case NL80211_IFTYPE_UNSPECIFIED: |
| default: |
| return -EINVAL; |
| } |
| return -EOPNOTSUPP; |
| } |
| |
| static s32 |
| brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, |
| enum nl80211_iftype type, u32 *flags, |
| struct vif_params *params) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_vif *vif = ifp->vif; |
| s32 infra = 0; |
| s32 ap = 0; |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, type=%d\n", ifp->bsscfgidx, |
| type); |
| |
| /* WAR: There are a number of p2p interface related problems which |
| * need to be handled initially (before doing the validate). |
| * wpa_supplicant tends to do iface changes on p2p device/client/go |
| * which are not always possible/allowed. However we need to return |
| * OK otherwise the wpa_supplicant wont start. The situation differs |
| * on configuration and setup (p2pon=1 module param). The first check |
| * is to see if the request is a change to station for p2p iface. |
| */ |
| if ((type == NL80211_IFTYPE_STATION) && |
| ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) || |
| (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) || |
| (vif->wdev.iftype == NL80211_IFTYPE_P2P_DEVICE))) { |
| brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n"); |
| /* Now depending on whether module param p2pon=1 was used the |
| * response needs to be either 0 or EOPNOTSUPP. The reason is |
| * that if p2pon=1 is used, but a newer supplicant is used then |
| * we should return an error, as this combination wont work. |
| * In other situations 0 is returned and supplicant will start |
| * normally. It will give a trace in cfg80211, but it is the |
| * only way to get it working. Unfortunately this will result |
| * in situation where we wont support new supplicant in |
| * combination with module param p2pon=1, but that is the way |
| * it is. If the user tries this then unloading of driver might |
| * fail/lock. |
| */ |
| if (cfg->p2p.p2pdev_dynamically) |
| return -EOPNOTSUPP; |
| else |
| return 0; |
| } |
| err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type); |
| if (err) { |
| brcmf_err("iface validation failed: err=%d\n", err); |
| return err; |
| } |
| switch (type) { |
| case NL80211_IFTYPE_MONITOR: |
| case NL80211_IFTYPE_WDS: |
| brcmf_err("type (%d) : currently we do not support this type\n", |
| type); |
| return -EOPNOTSUPP; |
| case NL80211_IFTYPE_ADHOC: |
| infra = 0; |
| break; |
| case NL80211_IFTYPE_STATION: |
| infra = 1; |
| break; |
| case NL80211_IFTYPE_AP: |
| case NL80211_IFTYPE_P2P_GO: |
| ap = 1; |
| break; |
| default: |
| err = -EINVAL; |
| goto done; |
| } |
| |
| if (ap) { |
| if (type == NL80211_IFTYPE_P2P_GO) { |
| brcmf_dbg(INFO, "IF Type = P2P GO\n"); |
| err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO); |
| } |
| if (!err) { |
| brcmf_dbg(INFO, "IF Type = AP\n"); |
| } |
| } else { |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra); |
| if (err) { |
| brcmf_err("WLC_SET_INFRA error (%d)\n", err); |
| err = -EAGAIN; |
| goto done; |
| } |
| brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ? |
| "Adhoc" : "Infra"); |
| } |
| ndev->ieee80211_ptr->iftype = type; |
| |
| brcmf_cfg80211_update_proto_addr_mode(&vif->wdev); |
| |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| |
| return err; |
| } |
| |
| static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_scan_params_le *params_le, |
| struct cfg80211_scan_request *request) |
| { |
| u32 n_ssids; |
| u32 n_channels; |
| s32 i; |
| s32 offset; |
| u16 chanspec; |
| char *ptr; |
| struct brcmf_ssid_le ssid_le; |
| |
| eth_broadcast_addr(params_le->bssid); |
| params_le->bss_type = DOT11_BSSTYPE_ANY; |
| params_le->scan_type = 0; |
| params_le->channel_num = 0; |
| params_le->nprobes = cpu_to_le32(-1); |
| params_le->active_time = cpu_to_le32(-1); |
| params_le->passive_time = cpu_to_le32(-1); |
| params_le->home_time = cpu_to_le32(-1); |
| memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le)); |
| |
| /* if request is null exit so it will be all channel broadcast scan */ |
| if (!request) |
| return; |
| |
| n_ssids = request->n_ssids; |
| n_channels = request->n_channels; |
| /* Copy channel array if applicable */ |
| brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n", |
| n_channels); |
| if (n_channels > 0) { |
| for (i = 0; i < n_channels; i++) { |
| chanspec = channel_to_chanspec(&cfg->d11inf, |
| request->channels[i]); |
| brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n", |
| request->channels[i]->hw_value, chanspec); |
| params_le->channel_list[i] = cpu_to_le16(chanspec); |
| } |
| } else { |
| brcmf_dbg(SCAN, "Scanning all channels\n"); |
| } |
| /* Copy ssid array if applicable */ |
| brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids); |
| if (n_ssids > 0) { |
| offset = offsetof(struct brcmf_scan_params_le, channel_list) + |
| n_channels * sizeof(u16); |
| offset = roundup(offset, sizeof(u32)); |
| ptr = (char *)params_le + offset; |
| for (i = 0; i < n_ssids; i++) { |
| memset(&ssid_le, 0, sizeof(ssid_le)); |
| ssid_le.SSID_len = |
| cpu_to_le32(request->ssids[i].ssid_len); |
| memcpy(ssid_le.SSID, request->ssids[i].ssid, |
| request->ssids[i].ssid_len); |
| if (!ssid_le.SSID_len) |
| brcmf_dbg(SCAN, "%d: Broadcast scan\n", i); |
| else |
| brcmf_dbg(SCAN, "%d: scan for %s size =%d\n", |
| i, ssid_le.SSID, ssid_le.SSID_len); |
| memcpy(ptr, &ssid_le, sizeof(ssid_le)); |
| ptr += sizeof(ssid_le); |
| } |
| } else { |
| brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids); |
| if ((request->ssids) && request->ssids->ssid_len) { |
| brcmf_dbg(SCAN, "SSID %s len=%d\n", |
| params_le->ssid_le.SSID, |
| request->ssids->ssid_len); |
| params_le->ssid_le.SSID_len = |
| cpu_to_le32(request->ssids->ssid_len); |
| memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, |
| request->ssids->ssid_len); |
| } |
| } |
| /* Adding mask to channel numbers */ |
| params_le->channel_num = |
| cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | |
| (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); |
| } |
| |
| static s32 |
| brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, |
| struct cfg80211_scan_request *request) |
| { |
| s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + |
| offsetof(struct brcmf_escan_params_le, params_le); |
| struct brcmf_escan_params_le *params; |
| s32 err = 0; |
| |
| brcmf_dbg(SCAN, "E-SCAN START\n"); |
| |
| if (request != NULL) { |
| /* Allocate space for populating ssids in struct */ |
| params_size += sizeof(u32) * ((request->n_channels + 1) / 2); |
| |
| /* Allocate space for populating ssids in struct */ |
| params_size += sizeof(struct brcmf_ssid_le) * request->n_ssids; |
| } |
| |
| params = kzalloc(params_size, GFP_KERNEL); |
| if (!params) { |
| err = -ENOMEM; |
| goto exit; |
| } |
| BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); |
| brcmf_escan_prep(cfg, ¶ms->params_le, request); |
| params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); |
| params->action = cpu_to_le16(WL_ESCAN_ACTION_START); |
| params->sync_id = cpu_to_le16(0x1234); |
| |
| err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size); |
| if (err) { |
| if (err == -EBUSY) |
| brcmf_dbg(INFO, "system busy : escan canceled\n"); |
| else |
| brcmf_err("error (%d)\n", err); |
| } |
| |
| kfree(params); |
| exit: |
| return err; |
| } |
| |
| static s32 |
| brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, |
| struct brcmf_if *ifp, struct cfg80211_scan_request *request) |
| { |
| s32 err; |
| u32 passive_scan; |
| struct brcmf_scan_results *results; |
| struct escan_info *escan = &cfg->escan_info; |
| |
| brcmf_dbg(SCAN, "Enter\n"); |
| escan->ifp = ifp; |
| escan->wiphy = wiphy; |
| escan->escan_state = WL_ESCAN_STATE_SCANNING; |
| passive_scan = cfg->active_scan ? 0 : 1; |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, |
| passive_scan); |
| if (err) { |
| brcmf_err("error (%d)\n", err); |
| return err; |
| } |
| brcmf_scan_config_mpc(ifp, 0); |
| results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; |
| results->version = 0; |
| results->count = 0; |
| results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; |
| |
| err = escan->run(cfg, ifp, request); |
| if (err) |
| brcmf_scan_config_mpc(ifp, 1); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif, |
| struct cfg80211_scan_request *request, |
| struct cfg80211_ssid *this_ssid) |
| { |
| struct brcmf_if *ifp = vif->ifp; |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct cfg80211_ssid *ssids; |
| u32 passive_scan; |
| bool escan_req; |
| bool spec_scan; |
| s32 err; |
| struct brcmf_ssid_le ssid_le; |
| u32 SSID_len; |
| |
| brcmf_dbg(SCAN, "START ESCAN\n"); |
| |
| if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
| brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); |
| return -EAGAIN; |
| } |
| if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) { |
| brcmf_err("Scanning being aborted: status (%lu)\n", |
| cfg->scan_status); |
| return -EAGAIN; |
| } |
| if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { |
| brcmf_err("Scanning suppressed: status (%lu)\n", |
| cfg->scan_status); |
| return -EAGAIN; |
| } |
| if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) { |
| brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state); |
| return -EAGAIN; |
| } |
| |
| /* If scan req comes for p2p0, send it over primary I/F */ |
| if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) |
| vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; |
| |
| escan_req = false; |
| if (request) { |
| /* scan bss */ |
| ssids = request->ssids; |
| escan_req = true; |
| } else { |
| /* scan in ibss */ |
| /* we don't do escan in ibss */ |
| ssids = this_ssid; |
| } |
| |
| cfg->scan_request = request; |
| set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
| if (escan_req) { |
| cfg->escan_info.run = brcmf_run_escan; |
| err = brcmf_p2p_scan_prep(wiphy, request, vif); |
| if (err) |
| goto scan_out; |
| |
| err = brcmf_do_escan(cfg, wiphy, vif->ifp, request); |
| if (err) |
| goto scan_out; |
| } else { |
| brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n", |
| ssids->ssid, ssids->ssid_len); |
| memset(&ssid_le, 0, sizeof(ssid_le)); |
| SSID_len = min_t(u8, sizeof(ssid_le.SSID), ssids->ssid_len); |
| ssid_le.SSID_len = cpu_to_le32(0); |
| spec_scan = false; |
| if (SSID_len) { |
| memcpy(ssid_le.SSID, ssids->ssid, SSID_len); |
| ssid_le.SSID_len = cpu_to_le32(SSID_len); |
| spec_scan = true; |
| } else |
| brcmf_dbg(SCAN, "Broadcast scan\n"); |
| |
| passive_scan = cfg->active_scan ? 0 : 1; |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, |
| passive_scan); |
| if (err) { |
| brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err); |
| goto scan_out; |
| } |
| brcmf_scan_config_mpc(ifp, 0); |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, &ssid_le, |
| sizeof(ssid_le)); |
| if (err) { |
| if (err == -EBUSY) |
| brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n", |
| ssid_le.SSID); |
| else |
| brcmf_err("WLC_SCAN error (%d)\n", err); |
| |
| brcmf_scan_config_mpc(ifp, 1); |
| goto scan_out; |
| } |
| } |
| |
| /* Arm scan timeout timer */ |
| mod_timer(&cfg->escan_timeout, jiffies + |
| BRCMF_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); |
| |
| return 0; |
| |
| scan_out: |
| clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
| cfg->scan_request = NULL; |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) |
| { |
| struct brcmf_cfg80211_vif *vif; |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev); |
| if (!check_vif_up(vif)) |
| return -EIO; |
| |
| err = brcmf_cfg80211_escan(wiphy, vif, request, NULL); |
| |
| if (err) |
| brcmf_err("scan error (%d)\n", err); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) |
| { |
| s32 err = 0; |
| |
| err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh", |
| rts_threshold); |
| if (err) |
| brcmf_err("Error (%d)\n", err); |
| |
| return err; |
| } |
| |
| static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) |
| { |
| s32 err = 0; |
| |
| err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh", |
| frag_threshold); |
| if (err) |
| brcmf_err("Error (%d)\n", err); |
| |
| return err; |
| } |
| |
| static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) |
| { |
| s32 err = 0; |
| u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL); |
| |
| err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry); |
| if (err) { |
| brcmf_err("cmd (%d) , error (%d)\n", cmd, err); |
| return err; |
| } |
| return err; |
| } |
| |
| static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct net_device *ndev = cfg_to_ndev(cfg); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (changed & WIPHY_PARAM_RTS_THRESHOLD && |
| (cfg->conf->rts_threshold != wiphy->rts_threshold)) { |
| cfg->conf->rts_threshold = wiphy->rts_threshold; |
| err = brcmf_set_rts(ndev, cfg->conf->rts_threshold); |
| if (!err) |
| goto done; |
| } |
| if (changed & WIPHY_PARAM_FRAG_THRESHOLD && |
| (cfg->conf->frag_threshold != wiphy->frag_threshold)) { |
| cfg->conf->frag_threshold = wiphy->frag_threshold; |
| err = brcmf_set_frag(ndev, cfg->conf->frag_threshold); |
| if (!err) |
| goto done; |
| } |
| if (changed & WIPHY_PARAM_RETRY_LONG |
| && (cfg->conf->retry_long != wiphy->retry_long)) { |
| cfg->conf->retry_long = wiphy->retry_long; |
| err = brcmf_set_retry(ndev, cfg->conf->retry_long, true); |
| if (!err) |
| goto done; |
| } |
| if (changed & WIPHY_PARAM_RETRY_SHORT |
| && (cfg->conf->retry_short != wiphy->retry_short)) { |
| cfg->conf->retry_short = wiphy->retry_short; |
| err = brcmf_set_retry(ndev, cfg->conf->retry_short, false); |
| if (!err) |
| goto done; |
| } |
| |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) |
| { |
| memset(prof, 0, sizeof(*prof)); |
| } |
| |
| static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e) |
| { |
| u16 reason; |
| |
| switch (e->event_code) { |
| case BRCMF_E_DEAUTH: |
| case BRCMF_E_DEAUTH_IND: |
| case BRCMF_E_DISASSOC_IND: |
| reason = e->reason; |
| break; |
| case BRCMF_E_LINK: |
| default: |
| reason = 0; |
| break; |
| } |
| return reason; |
| } |
| |
| static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy); |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) { |
| brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n "); |
| err = brcmf_fil_cmd_data_set(vif->ifp, |
| BRCMF_C_DISASSOC, NULL, 0); |
| if (err) { |
| brcmf_err("WLC_DISASSOC failed (%d)\n", err); |
| } |
| if ((vif->wdev.iftype == NL80211_IFTYPE_STATION) || |
| (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)) |
| cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0, |
| true, GFP_KERNEL); |
| } |
| clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); |
| clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); |
| brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); |
| brcmf_dbg(TRACE, "Exit\n"); |
| } |
| |
| static s32 |
| brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_ibss_params *params) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
| struct brcmf_join_params join_params; |
| size_t join_params_size = 0; |
| s32 err = 0; |
| s32 wsec = 0; |
| s32 bcnprd; |
| u16 chanspec; |
| u32 ssid_len; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (params->ssid) |
| brcmf_dbg(CONN, "SSID: %s\n", params->ssid); |
| else { |
| brcmf_dbg(CONN, "SSID: NULL, Not supported\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
| |
| if (params->bssid) |
| brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid); |
| else |
| brcmf_dbg(CONN, "No BSSID specified\n"); |
| |
| if (params->chandef.chan) |
| brcmf_dbg(CONN, "channel: %d\n", |
| params->chandef.chan->center_freq); |
| else |
| brcmf_dbg(CONN, "no channel specified\n"); |
| |
| if (params->channel_fixed) |
| brcmf_dbg(CONN, "fixed channel required\n"); |
| else |
| brcmf_dbg(CONN, "no fixed channel required\n"); |
| |
| if (params->ie && params->ie_len) |
| brcmf_dbg(CONN, "ie len: %d\n", params->ie_len); |
| else |
| brcmf_dbg(CONN, "no ie specified\n"); |
| |
| if (params->beacon_interval) |
| brcmf_dbg(CONN, "beacon interval: %d\n", |
| params->beacon_interval); |
| else |
| brcmf_dbg(CONN, "no beacon interval specified\n"); |
| |
| if (params->basic_rates) |
| brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates); |
| else |
| brcmf_dbg(CONN, "no basic rates specified\n"); |
| |
| if (params->privacy) |
| brcmf_dbg(CONN, "privacy required\n"); |
| else |
| brcmf_dbg(CONN, "no privacy required\n"); |
| |
| /* Configure Privacy for starter */ |
| if (params->privacy) |
| wsec |= WEP_ENABLED; |
| |
| err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec); |
| if (err) { |
| brcmf_err("wsec failed (%d)\n", err); |
| goto done; |
| } |
| |
| /* Configure Beacon Interval for starter */ |
| if (params->beacon_interval) |
| bcnprd = params->beacon_interval; |
| else |
| bcnprd = 100; |
| |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd); |
| if (err) { |
| brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err); |
| goto done; |
| } |
| |
| /* Configure required join parameter */ |
| memset(&join_params, 0, sizeof(struct brcmf_join_params)); |
| |
| /* SSID */ |
| ssid_len = min_t(u32, params->ssid_len, IEEE80211_MAX_SSID_LEN); |
| memcpy(join_params.ssid_le.SSID, params->ssid, ssid_len); |
| join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len); |
| join_params_size = sizeof(join_params.ssid_le); |
| |
| /* BSSID */ |
| if (params->bssid) { |
| memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); |
| join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE; |
| memcpy(profile->bssid, params->bssid, ETH_ALEN); |
| } else { |
| eth_broadcast_addr(join_params.params_le.bssid); |
| eth_zero_addr(profile->bssid); |
| } |
| |
| /* Channel */ |
| if (params->chandef.chan) { |
| u32 target_channel; |
| |
| cfg->channel = |
| ieee80211_frequency_to_channel( |
| params->chandef.chan->center_freq); |
| if (params->channel_fixed) { |
| /* adding chanspec */ |
| chanspec = chandef_to_chanspec(&cfg->d11inf, |
| ¶ms->chandef); |
| join_params.params_le.chanspec_list[0] = |
| cpu_to_le16(chanspec); |
| join_params.params_le.chanspec_num = cpu_to_le32(1); |
| join_params_size += sizeof(join_params.params_le); |
| } |
| |
| /* set channel for starter */ |
| target_channel = cfg->channel; |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL, |
| target_channel); |
| if (err) { |
| brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err); |
| goto done; |
| } |
| } else |
| cfg->channel = 0; |
| |
| cfg->ibss_starter = false; |
| |
| |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, |
| &join_params, join_params_size); |
| if (err) { |
| brcmf_err("WLC_SET_SSID failed (%d)\n", err); |
| goto done; |
| } |
| |
| done: |
| if (err) |
| clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) { |
| /* When driver is being unloaded, it can end up here. If an |
| * error is returned then later on a debug trace in the wireless |
| * core module will be printed. To avoid this 0 is returned. |
| */ |
| return 0; |
| } |
| |
| brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING); |
| brcmf_net_setcarrier(ifp, false); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| |
| return 0; |
| } |
| |
| static s32 brcmf_set_wpa_version(struct net_device *ndev, |
| struct cfg80211_connect_params *sme) |
| { |
| struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
| struct brcmf_cfg80211_security *sec; |
| s32 val = 0; |
| s32 err = 0; |
| |
| if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) |
| val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; |
| else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) |
| val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; |
| else |
| val = WPA_AUTH_DISABLED; |
| brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val); |
| err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); |
| if (err) { |
| brcmf_err("set wpa_auth failed (%d)\n", err); |
| return err; |
| } |
| sec = &profile->sec; |
| sec->wpa_versions = sme->crypto.wpa_versions; |
| return err; |
| } |
| |
| static s32 brcmf_set_auth_type(struct net_device *ndev, |
| struct cfg80211_connect_params *sme) |
| { |
| struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
| struct brcmf_cfg80211_security *sec; |
| s32 val = 0; |
| s32 err = 0; |
| |
| switch (sme->auth_type) { |
| case NL80211_AUTHTYPE_OPEN_SYSTEM: |
| val = 0; |
| brcmf_dbg(CONN, "open system\n"); |
| break; |
| case NL80211_AUTHTYPE_SHARED_KEY: |
| val = 1; |
| brcmf_dbg(CONN, "shared key\n"); |
| break; |
| default: |
| val = 2; |
| brcmf_dbg(CONN, "automatic, auth type (%d)\n", sme->auth_type); |
| break; |
| } |
| |
| err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); |
| if (err) { |
| brcmf_err("set auth failed (%d)\n", err); |
| return err; |
| } |
| sec = &profile->sec; |
| sec->auth_type = sme->auth_type; |
| return err; |
| } |
| |
| static s32 |
| brcmf_set_wsec_mode(struct net_device *ndev, |
| struct cfg80211_connect_params *sme) |
| { |
| struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
| struct brcmf_cfg80211_security *sec; |
| s32 pval = 0; |
| s32 gval = 0; |
| s32 wsec; |
| s32 err = 0; |
| |
| if (sme->crypto.n_ciphers_pairwise) { |
| switch (sme->crypto.ciphers_pairwise[0]) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| case WLAN_CIPHER_SUITE_WEP104: |
| pval = WEP_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| pval = TKIP_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| pval = AES_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| pval = AES_ENABLED; |
| break; |
| default: |
| brcmf_err("invalid cipher pairwise (%d)\n", |
| sme->crypto.ciphers_pairwise[0]); |
| return -EINVAL; |
| } |
| } |
| if (sme->crypto.cipher_group) { |
| switch (sme->crypto.cipher_group) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| case WLAN_CIPHER_SUITE_WEP104: |
| gval = WEP_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| gval = TKIP_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| gval = AES_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| gval = AES_ENABLED; |
| break; |
| default: |
| brcmf_err("invalid cipher group (%d)\n", |
| sme->crypto.cipher_group); |
| return -EINVAL; |
| } |
| } |
| |
| brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval); |
| /* In case of privacy, but no security and WPS then simulate */ |
| /* setting AES. WPS-2.0 allows no security */ |
| if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval && |
| sme->privacy) |
| pval = AES_ENABLED; |
| |
| wsec = pval | gval; |
| err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec); |
| if (err) { |
| brcmf_err("error (%d)\n", err); |
| return err; |
| } |
| |
| sec = &profile->sec; |
| sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; |
| sec->cipher_group = sme->crypto.cipher_group; |
| |
| return err; |
| } |
| |
| static s32 |
| brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 val; |
| s32 err; |
| const struct brcmf_tlv *rsn_ie; |
| const u8 *ie; |
| u32 ie_len; |
| u32 offset; |
| u16 rsn_cap; |
| u32 mfp; |
| u16 count; |
| |
| if (!sme->crypto.n_akm_suites) |
| return 0; |
| |
| err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), "wpa_auth", &val); |
| if (err) { |
| brcmf_err("could not get wpa_auth (%d)\n", err); |
| return err; |
| } |
| if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { |
| switch (sme->crypto.akm_suites[0]) { |
| case WLAN_AKM_SUITE_8021X: |
| val = WPA_AUTH_UNSPECIFIED; |
| break; |
| case WLAN_AKM_SUITE_PSK: |
| val = WPA_AUTH_PSK; |
| break; |
| default: |
| brcmf_err("invalid cipher group (%d)\n", |
| sme->crypto.cipher_group); |
| return -EINVAL; |
| } |
| } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { |
| switch (sme->crypto.akm_suites[0]) { |
| case WLAN_AKM_SUITE_8021X: |
| val = WPA2_AUTH_UNSPECIFIED; |
| break; |
| case WLAN_AKM_SUITE_8021X_SHA256: |
| val = WPA2_AUTH_1X_SHA256; |
| break; |
| case WLAN_AKM_SUITE_PSK_SHA256: |
| val = WPA2_AUTH_PSK_SHA256; |
| break; |
| case WLAN_AKM_SUITE_PSK: |
| val = WPA2_AUTH_PSK; |
| break; |
| default: |
| brcmf_err("invalid cipher group (%d)\n", |
| sme->crypto.cipher_group); |
| return -EINVAL; |
| } |
| } |
| |
| if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) |
| goto skip_mfp_config; |
| /* The MFP mode (1 or 2) needs to be determined, parse IEs. The |
| * IE will not be verified, just a quick search for MFP config |
| */ |
| rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, sme->ie_len, |
| WLAN_EID_RSN); |
| if (!rsn_ie) |
| goto skip_mfp_config; |
| ie = (const u8 *)rsn_ie; |
| ie_len = rsn_ie->len + TLV_HDR_LEN; |
| /* Skip unicast suite */ |
| offset = TLV_HDR_LEN + WPA_IE_VERSION_LEN + WPA_IE_MIN_OUI_LEN; |
| if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len) |
| goto skip_mfp_config; |
| /* Skip multicast suite */ |
| count = ie[offset] + (ie[offset + 1] << 8); |
| offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN); |
| if (offset + WPA_IE_SUITE_COUNT_LEN >= ie_len) |
| goto skip_mfp_config; |
| /* Skip auth key management suite(s) */ |
| count = ie[offset] + (ie[offset + 1] << 8); |
| offset += WPA_IE_SUITE_COUNT_LEN + (count * WPA_IE_MIN_OUI_LEN); |
| if (offset + WPA_IE_SUITE_COUNT_LEN > ie_len) |
| goto skip_mfp_config; |
| /* Ready to read capabilities */ |
| mfp = BRCMF_MFP_NONE; |
| rsn_cap = ie[offset] + (ie[offset + 1] << 8); |
| if (rsn_cap & RSN_CAP_MFPR_MASK) |
| mfp = BRCMF_MFP_REQUIRED; |
| else if (rsn_cap & RSN_CAP_MFPC_MASK) |
| mfp = BRCMF_MFP_CAPABLE; |
| brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "mfp", mfp); |
| |
| skip_mfp_config: |
| brcmf_dbg(CONN, "setting wpa_auth to %d\n", val); |
| err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); |
| if (err) { |
| brcmf_err("could not set wpa_auth (%d)\n", err); |
| return err; |
| } |
| |
| return err; |
| } |
| |
| static s32 |
| brcmf_set_sharedkey(struct net_device *ndev, |
| struct cfg80211_connect_params *sme) |
| { |
| struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); |
| struct brcmf_cfg80211_security *sec; |
| struct brcmf_wsec_key key; |
| s32 val; |
| s32 err = 0; |
| |
| brcmf_dbg(CONN, "key len (%d)\n", sme->key_len); |
| |
| if (sme->key_len == 0) |
| return 0; |
| |
| sec = &profile->sec; |
| brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n", |
| sec->wpa_versions, sec->cipher_pairwise); |
| |
| if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) |
| return 0; |
| |
| if (!(sec->cipher_pairwise & |
| (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) |
| return 0; |
| |
| memset(&key, 0, sizeof(key)); |
| key.len = (u32) sme->key_len; |
| key.index = (u32) sme->key_idx; |
| if (key.len > sizeof(key.data)) { |
| brcmf_err("Too long key length (%u)\n", key.len); |
| return -EINVAL; |
| } |
| memcpy(key.data, sme->key, key.len); |
| key.flags = BRCMF_PRIMARY_KEY; |
| switch (sec->cipher_pairwise) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| key.algo = CRYPTO_ALGO_WEP1; |
| break; |
| case WLAN_CIPHER_SUITE_WEP104: |
| key.algo = CRYPTO_ALGO_WEP128; |
| break; |
| default: |
| brcmf_err("Invalid algorithm (%d)\n", |
| sme->crypto.ciphers_pairwise[0]); |
| return -EINVAL; |
| } |
| /* Set the new key/index */ |
| brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n", |
| key.len, key.index, key.algo); |
| brcmf_dbg(CONN, "key \"%s\"\n", key.data); |
| err = send_key_to_dongle(netdev_priv(ndev), &key); |
| if (err) |
| return err; |
| |
| if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { |
| brcmf_dbg(CONN, "set auth_type to shared key\n"); |
| val = WL_AUTH_SHARED_KEY; /* shared key */ |
| err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); |
| if (err) |
| brcmf_err("set auth failed (%d)\n", err); |
| } |
| return err; |
| } |
| |
| static |
| enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp, |
| enum nl80211_auth_type type) |
| { |
| if (type == NL80211_AUTHTYPE_AUTOMATIC && |
| brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) { |
| brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n"); |
| type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
| } |
| return type; |
| } |
| |
| static void brcmf_set_join_pref(struct brcmf_if *ifp, |
| struct cfg80211_bss_selection *bss_select) |
| { |
| struct brcmf_join_pref_params join_pref_params[2]; |
| enum nl80211_band band; |
| int err, i = 0; |
| |
| join_pref_params[i].len = 2; |
| join_pref_params[i].rssi_gain = 0; |
| |
| if (bss_select->behaviour != NL80211_BSS_SELECT_ATTR_BAND_PREF) |
| brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_ASSOC_PREFER, WLC_BAND_AUTO); |
| |
| switch (bss_select->behaviour) { |
| case __NL80211_BSS_SELECT_ATTR_INVALID: |
| brcmf_c_set_joinpref_default(ifp); |
| return; |
| case NL80211_BSS_SELECT_ATTR_BAND_PREF: |
| join_pref_params[i].type = BRCMF_JOIN_PREF_BAND; |
| band = bss_select->param.band_pref; |
| join_pref_params[i].band = nl80211_band_to_fwil(band); |
| i++; |
| break; |
| case NL80211_BSS_SELECT_ATTR_RSSI_ADJUST: |
| join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI_DELTA; |
| band = bss_select->param.adjust.band; |
| join_pref_params[i].band = nl80211_band_to_fwil(band); |
| join_pref_params[i].rssi_gain = bss_select->param.adjust.delta; |
| i++; |
| break; |
| case NL80211_BSS_SELECT_ATTR_RSSI: |
| default: |
| break; |
| } |
| join_pref_params[i].type = BRCMF_JOIN_PREF_RSSI; |
| join_pref_params[i].len = 2; |
| join_pref_params[i].rssi_gain = 0; |
| join_pref_params[i].band = 0; |
| err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params, |
| sizeof(join_pref_params)); |
| if (err) |
| brcmf_err("Set join_pref error (%d)\n", err); |
| } |
| |
| static s32 |
| brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_connect_params *sme) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct ieee80211_channel *chan = sme->channel; |
| struct brcmf_join_params join_params; |
| size_t join_params_size; |
| const struct brcmf_tlv *rsn_ie; |
| const struct brcmf_vs_tlv *wpa_ie; |
| const void *ie; |
| u32 ie_len; |
| struct brcmf_ext_join_params_le *ext_join_params; |
| u16 chanspec; |
| s32 err = 0; |
| u32 ssid_len; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (!sme->ssid) { |
| brcmf_err("Invalid ssid\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) { |
| /* A normal (non P2P) connection request setup. */ |
| ie = NULL; |
| ie_len = 0; |
| /* find the WPA_IE */ |
| wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len); |
| if (wpa_ie) { |
| ie = wpa_ie; |
| ie_len = wpa_ie->len + TLV_HDR_LEN; |
| } else { |
| /* find the RSN_IE */ |
| rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, |
| sme->ie_len, |
| WLAN_EID_RSN); |
| if (rsn_ie) { |
| ie = rsn_ie; |
| ie_len = rsn_ie->len + TLV_HDR_LEN; |
| } |
| } |
| brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len); |
| } |
| |
| err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, |
| sme->ie, sme->ie_len); |
| if (err) |
| brcmf_err("Set Assoc REQ IE Failed\n"); |
| else |
| brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); |
| |
| set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
| |
| if (chan) { |
| cfg->channel = |
| ieee80211_frequency_to_channel(chan->center_freq); |
| chanspec = channel_to_chanspec(&cfg->d11inf, chan); |
| brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", |
| cfg->channel, chan->center_freq, chanspec); |
| } else { |
| cfg->channel = 0; |
| chanspec = 0; |
| } |
| |
| brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); |
| |
| err = brcmf_set_wpa_version(ndev, sme); |
| if (err) { |
| brcmf_err("wl_set_wpa_version failed (%d)\n", err); |
| goto done; |
| } |
| |
| sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type); |
| err = brcmf_set_auth_type(ndev, sme); |
| if (err) { |
| brcmf_err("wl_set_auth_type failed (%d)\n", err); |
| goto done; |
| } |
| |
| err = brcmf_set_wsec_mode(ndev, sme); |
| if (err) { |
| brcmf_err("wl_set_set_cipher failed (%d)\n", err); |
| goto done; |
| } |
| |
| err = brcmf_set_key_mgmt(ndev, sme); |
| if (err) { |
| brcmf_err("wl_set_key_mgmt failed (%d)\n", err); |
| goto done; |
| } |
| |
| err = brcmf_set_sharedkey(ndev, sme); |
| if (err) { |
| brcmf_err("brcmf_set_sharedkey failed (%d)\n", err); |
| goto done; |
| } |
| |
| /* Join with specific BSSID and cached SSID |
| * If SSID is zero join based on BSSID only |
| */ |
| join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) + |
| offsetof(struct brcmf_assoc_params_le, chanspec_list); |
| if (cfg->channel) |
| join_params_size += sizeof(u16); |
| ext_join_params = kzalloc(join_params_size, GFP_KERNEL); |
| if (ext_join_params == NULL) { |
| err = -ENOMEM; |
| goto done; |
| } |
| ssid_len = min_t(u32, sme->ssid_len, IEEE80211_MAX_SSID_LEN); |
| ext_join_params->ssid_le.SSID_len = cpu_to_le32(ssid_len); |
| memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, ssid_len); |
| if (ssid_len < IEEE80211_MAX_SSID_LEN) |
| brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", |
| ext_join_params->ssid_le.SSID, ssid_len); |
| |
| /* Set up join scan parameters */ |
| ext_join_params->scan_le.scan_type = -1; |
| ext_join_params->scan_le.home_time = cpu_to_le32(-1); |
| |
| if (sme->bssid) |
| memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN); |
| else |
| eth_broadcast_addr(ext_join_params->assoc_le.bssid); |
| |
| if (cfg->channel) { |
| ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1); |
| |
| ext_join_params->assoc_le.chanspec_list[0] = |
| cpu_to_le16(chanspec); |
| /* Increase dwell time to receive probe response or detect |
| * beacon from target AP at a noisy air only during connect |
| * command. |
| */ |
| ext_join_params->scan_le.active_time = |
| cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS); |
| ext_join_params->scan_le.passive_time = |
| cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS); |
| /* To sync with presence period of VSDB GO send probe request |
| * more frequently. Probe request will be stopped when it gets |
| * probe response from target AP/GO. |
| */ |
| ext_join_params->scan_le.nprobes = |
| cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS / |
| BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS); |
| } else { |
| ext_join_params->scan_le.active_time = cpu_to_le32(-1); |
| ext_join_params->scan_le.passive_time = cpu_to_le32(-1); |
| ext_join_params->scan_le.nprobes = cpu_to_le32(-1); |
| } |
| |
| brcmf_set_join_pref(ifp, &sme->bss_select); |
| |
| err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params, |
| join_params_size); |
| kfree(ext_join_params); |
| if (!err) |
| /* This is it. join command worked, we are done */ |
| goto done; |
| |
| /* join command failed, fallback to set ssid */ |
| memset(&join_params, 0, sizeof(join_params)); |
| join_params_size = sizeof(join_params.ssid_le); |
| |
| memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid_len); |
| join_params.ssid_le.SSID_len = cpu_to_le32(ssid_len); |
| |
| if (sme->bssid) |
| memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN); |
| else |
| eth_broadcast_addr(join_params.params_le.bssid); |
| |
| if (cfg->channel) { |
| join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec); |
| join_params.params_le.chanspec_num = cpu_to_le32(1); |
| join_params_size += sizeof(join_params.params_le); |
| } |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, |
| &join_params, join_params_size); |
| if (err) |
| brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err); |
| |
| done: |
| if (err) |
| clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, |
| u16 reason_code) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
| struct brcmf_scb_val_le scbval; |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); |
| clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); |
| cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL); |
| |
| memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); |
| scbval.val = cpu_to_le32(reason_code); |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC, |
| &scbval, sizeof(scbval)); |
| if (err) |
| brcmf_err("error (%d)\n", err); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, |
| enum nl80211_tx_power_setting type, s32 mbm) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct net_device *ndev = cfg_to_ndev(cfg); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err; |
| s32 disable; |
| u32 qdbm = 127; |
| |
| brcmf_dbg(TRACE, "Enter %d %d\n", type, mbm); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| switch (type) { |
| case NL80211_TX_POWER_AUTOMATIC: |
| break; |
| case NL80211_TX_POWER_LIMITED: |
| case NL80211_TX_POWER_FIXED: |
| if (mbm < 0) { |
| brcmf_err("TX_POWER_FIXED - dbm is negative\n"); |
| err = -EINVAL; |
| goto done; |
| } |
| qdbm = MBM_TO_DBM(4 * mbm); |
| if (qdbm > 127) |
| qdbm = 127; |
| qdbm |= WL_TXPWR_OVERRIDE; |
| break; |
| default: |
| brcmf_err("Unsupported type %d\n", type); |
| err = -EINVAL; |
| goto done; |
| } |
| /* Make sure radio is off or on as far as software is concerned */ |
| disable = WL_RADIO_SW_DISABLE << 16; |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable); |
| if (err) |
| brcmf_err("WLC_SET_RADIO error (%d)\n", err); |
| |
| err = brcmf_fil_iovar_int_set(ifp, "qtxpower", qdbm); |
| if (err) |
| brcmf_err("qtxpower error (%d)\n", err); |
| |
| done: |
| brcmf_dbg(TRACE, "Exit %d (qdbm)\n", qdbm & ~WL_TXPWR_OVERRIDE); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, |
| s32 *dbm) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct net_device *ndev = cfg_to_ndev(cfg); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 qdbm = 0; |
| s32 err; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &qdbm); |
| if (err) { |
| brcmf_err("error (%d)\n", err); |
| goto done; |
| } |
| *dbm = (qdbm & ~WL_TXPWR_OVERRIDE) / 4; |
| |
| done: |
| brcmf_dbg(TRACE, "Exit (0x%x %d)\n", qdbm, *dbm); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, |
| u8 key_idx, bool unicast, bool multicast) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| u32 index; |
| u32 wsec; |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); |
| if (err) { |
| brcmf_err("WLC_GET_WSEC error (%d)\n", err); |
| goto done; |
| } |
| |
| if (wsec & WEP_ENABLED) { |
| /* Just select a new current key */ |
| index = key_idx; |
| err = brcmf_fil_cmd_int_set(ifp, |
| BRCMF_C_SET_KEY_PRIMARY, index); |
| if (err) |
| brcmf_err("error (%d)\n", err); |
| } |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, |
| u8 key_idx, bool pairwise, const u8 *mac_addr) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_wsec_key *key; |
| s32 err; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
| |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { |
| /* we ignore this key index in this case */ |
| return -EINVAL; |
| } |
| |
| key = &ifp->vif->profile.key[key_idx]; |
| |
| if (key->algo == CRYPTO_ALGO_OFF) { |
| brcmf_dbg(CONN, "Ignore clearing of (never configured) key\n"); |
| return -EINVAL; |
| } |
| |
| memset(key, 0, sizeof(*key)); |
| key->index = (u32)key_idx; |
| key->flags = BRCMF_PRIMARY_KEY; |
| |
| /* Clear the key/index */ |
| err = send_key_to_dongle(ifp, key); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, |
| u8 key_idx, bool pairwise, const u8 *mac_addr, |
| struct key_params *params) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_wsec_key *key; |
| s32 val; |
| s32 wsec; |
| s32 err; |
| u8 keybuf[8]; |
| bool ext_key; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { |
| /* we ignore this key index in this case */ |
| brcmf_err("invalid key index (%d)\n", key_idx); |
| return -EINVAL; |
| } |
| |
| if (params->key_len == 0) |
| return brcmf_cfg80211_del_key(wiphy, ndev, key_idx, pairwise, |
| mac_addr); |
| |
| if (params->key_len > sizeof(key->data)) { |
| brcmf_err("Too long key length (%u)\n", params->key_len); |
| return -EINVAL; |
| } |
| |
| ext_key = false; |
| if (mac_addr && (params->cipher != WLAN_CIPHER_SUITE_WEP40) && |
| (params->cipher != WLAN_CIPHER_SUITE_WEP104)) { |
| brcmf_dbg(TRACE, "Ext key, mac %pM", mac_addr); |
| ext_key = true; |
| } |
| |
| key = &ifp->vif->profile.key[key_idx]; |
| memset(key, 0, sizeof(*key)); |
| if ((ext_key) && (!is_multicast_ether_addr(mac_addr))) |
| memcpy((char *)&key->ea, (void *)mac_addr, ETH_ALEN); |
| key->len = params->key_len; |
| key->index = key_idx; |
| memcpy(key->data, params->key, key->len); |
| if (!ext_key) |
| key->flags = BRCMF_PRIMARY_KEY; |
| |
| switch (params->cipher) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| key->algo = CRYPTO_ALGO_WEP1; |
| val = WEP_ENABLED; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); |
| break; |
| case WLAN_CIPHER_SUITE_WEP104: |
| key->algo = CRYPTO_ALGO_WEP128; |
| val = WEP_ENABLED; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| if (!brcmf_is_apmode(ifp->vif)) { |
| brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); |
| memcpy(keybuf, &key->data[24], sizeof(keybuf)); |
| memcpy(&key->data[24], &key->data[16], sizeof(keybuf)); |
| memcpy(&key->data[16], keybuf, sizeof(keybuf)); |
| } |
| key->algo = CRYPTO_ALGO_TKIP; |
| val = TKIP_ENABLED; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| key->algo = CRYPTO_ALGO_AES_CCM; |
| val = AES_ENABLED; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| key->algo = CRYPTO_ALGO_AES_CCM; |
| val = AES_ENABLED; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); |
| break; |
| default: |
| brcmf_err("Invalid cipher (0x%x)\n", params->cipher); |
| err = -EINVAL; |
| goto done; |
| } |
| |
| err = send_key_to_dongle(ifp, key); |
| if (ext_key || err) |
| goto done; |
| |
| err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); |
| if (err) { |
| brcmf_err("get wsec error (%d)\n", err); |
| goto done; |
| } |
| wsec |= val; |
| err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); |
| if (err) { |
| brcmf_err("set wsec error (%d)\n", err); |
| goto done; |
| } |
| |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, u8 key_idx, |
| bool pairwise, const u8 *mac_addr, void *cookie, |
| void (*callback)(void *cookie, |
| struct key_params *params)) |
| { |
| struct key_params params; |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
| struct brcmf_cfg80211_security *sec; |
| s32 wsec; |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| memset(¶ms, 0, sizeof(params)); |
| |
| err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); |
| if (err) { |
| brcmf_err("WLC_GET_WSEC error (%d)\n", err); |
| /* Ignore this error, may happen during DISASSOC */ |
| err = -EAGAIN; |
| goto done; |
| } |
| if (wsec & WEP_ENABLED) { |
| sec = &profile->sec; |
| if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { |
| params.cipher = WLAN_CIPHER_SUITE_WEP40; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); |
| } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { |
| params.cipher = WLAN_CIPHER_SUITE_WEP104; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); |
| } |
| } else if (wsec & TKIP_ENABLED) { |
| params.cipher = WLAN_CIPHER_SUITE_TKIP; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); |
| } else if (wsec & AES_ENABLED) { |
| params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| } else { |
| brcmf_err("Invalid algo (0x%x)\n", wsec); |
| err = -EINVAL; |
| goto done; |
| } |
| callback(cookie, ¶ms); |
| |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, |
| struct net_device *ndev, u8 key_idx) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| |
| brcmf_dbg(TRACE, "Enter key_idx %d\n", key_idx); |
| |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) |
| return 0; |
| |
| brcmf_dbg(INFO, "Not supported\n"); |
| |
| return -EOPNOTSUPP; |
| } |
| |
| static void |
| brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp) |
| { |
| s32 err; |
| u8 key_idx; |
| struct brcmf_wsec_key *key; |
| s32 wsec; |
| |
| for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) { |
| key = &ifp->vif->profile.key[key_idx]; |
| if ((key->algo == CRYPTO_ALGO_WEP1) || |
| (key->algo == CRYPTO_ALGO_WEP128)) |
| break; |
| } |
| if (key_idx == BRCMF_MAX_DEFAULT_KEYS) |
| return; |
| |
| err = send_key_to_dongle(ifp, key); |
| if (err) { |
| brcmf_err("Setting WEP key failed (%d)\n", err); |
| return; |
| } |
| err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); |
| if (err) { |
| brcmf_err("get wsec error (%d)\n", err); |
| return; |
| } |
| wsec |= WEP_ENABLED; |
| err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); |
| if (err) |
| brcmf_err("set wsec error (%d)\n", err); |
| } |
| |
| static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si) |
| { |
| struct nl80211_sta_flag_update *sfu; |
| |
| brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags); |
| si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS); |
| sfu = &si->sta_flags; |
| sfu->mask = BIT(NL80211_STA_FLAG_WME) | |
| BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
| BIT(NL80211_STA_FLAG_ASSOCIATED) | |
| BIT(NL80211_STA_FLAG_AUTHORIZED); |
| if (fw_sta_flags & BRCMF_STA_WME) |
| sfu->set |= BIT(NL80211_STA_FLAG_WME); |
| if (fw_sta_flags & BRCMF_STA_AUTHE) |
| sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); |
| if (fw_sta_flags & BRCMF_STA_ASSOC) |
| sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED); |
| if (fw_sta_flags & BRCMF_STA_AUTHO) |
| sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED); |
| } |
| |
| static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si) |
| { |
| struct { |
| __le32 len; |
| struct brcmf_bss_info_le bss_le; |
| } *buf; |
| u16 capability; |
| int err; |
| |
| buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| if (!buf) |
| return; |
| |
| buf->len = cpu_to_le32(WL_BSS_INFO_MAX); |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf, |
| WL_BSS_INFO_MAX); |
| if (err) { |
| brcmf_err("Failed to get bss info (%d)\n", err); |
| goto out_kfree; |
| } |
| si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); |
| si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period); |
| si->bss_param.dtim_period = buf->bss_le.dtim_period; |
| capability = le16_to_cpu(buf->bss_le.capability); |
| if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT) |
| si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; |
| if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE) |
| si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; |
| if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) |
| si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; |
| |
| out_kfree: |
| kfree(buf); |
| } |
| |
| static s32 |
| brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp, |
| struct station_info *sinfo) |
| { |
| struct brcmf_scb_val_le scbval; |
| struct brcmf_pktcnt_le pktcnt; |
| s32 err; |
| u32 rate; |
| u32 rssi; |
| |
| /* Get the current tx rate */ |
| err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate); |
| if (err < 0) { |
| brcmf_err("BRCMF_C_GET_RATE error (%d)\n", err); |
| return err; |
| } |
| sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); |
| sinfo->txrate.legacy = rate * 5; |
| |
| memset(&scbval, 0, sizeof(scbval)); |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, &scbval, |
| sizeof(scbval)); |
| if (err) { |
| brcmf_err("BRCMF_C_GET_RSSI error (%d)\n", err); |
| return err; |
| } |
| rssi = le32_to_cpu(scbval.val); |
| sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); |
| sinfo->signal = rssi; |
| |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_GET_PKTCNTS, &pktcnt, |
| sizeof(pktcnt)); |
| if (err) { |
| brcmf_err("BRCMF_C_GET_GET_PKTCNTS error (%d)\n", err); |
| return err; |
| } |
| sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS) | |
| BIT(NL80211_STA_INFO_RX_DROP_MISC) | |
| BIT(NL80211_STA_INFO_TX_PACKETS) | |
| BIT(NL80211_STA_INFO_TX_FAILED); |
| sinfo->rx_packets = le32_to_cpu(pktcnt.rx_good_pkt); |
| sinfo->rx_dropped_misc = le32_to_cpu(pktcnt.rx_bad_pkt); |
| sinfo->tx_packets = le32_to_cpu(pktcnt.tx_good_pkt); |
| sinfo->tx_failed = le32_to_cpu(pktcnt.tx_bad_pkt); |
| |
| return 0; |
| } |
| |
| static s32 |
| brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, |
| const u8 *mac, struct station_info *sinfo) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_scb_val_le scb_val; |
| s32 err = 0; |
| struct brcmf_sta_info_le sta_info_le; |
| u32 sta_flags; |
| u32 is_tdls_peer; |
| s32 total_rssi; |
| s32 count_rssi; |
| int rssi; |
| u32 i; |
| |
| brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (brcmf_is_ibssmode(ifp->vif)) |
| return brcmf_cfg80211_get_station_ibss(ifp, sinfo); |
| |
| memset(&sta_info_le, 0, sizeof(sta_info_le)); |
| memcpy(&sta_info_le, mac, ETH_ALEN); |
| err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info", |
| &sta_info_le, |
| sizeof(sta_info_le)); |
| is_tdls_peer = !err; |
| if (err) { |
| err = brcmf_fil_iovar_data_get(ifp, "sta_info", |
| &sta_info_le, |
| sizeof(sta_info_le)); |
| if (err < 0) { |
| brcmf_err("GET STA INFO failed, %d\n", err); |
| goto done; |
| } |
| } |
| brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver)); |
| sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME); |
| sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000; |
| sta_flags = le32_to_cpu(sta_info_le.flags); |
| brcmf_convert_sta_flags(sta_flags, sinfo); |
| sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER); |
| if (is_tdls_peer) |
| sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); |
| else |
| sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); |
| if (sta_flags & BRCMF_STA_ASSOC) { |
| sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME); |
| sinfo->connected_time = le32_to_cpu(sta_info_le.in); |
| brcmf_fill_bss_param(ifp, sinfo); |
| } |
| if (sta_flags & BRCMF_STA_SCBSTATS) { |
| sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED); |
| sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures); |
| sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); |
| sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts); |
| sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts); |
| sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); |
| sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts); |
| sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts); |
| if (sinfo->tx_packets) { |
| sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); |
| sinfo->txrate.legacy = |
| le32_to_cpu(sta_info_le.tx_rate) / 100; |
| } |
| if (sinfo->rx_packets) { |
| sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); |
| sinfo->rxrate.legacy = |
| le32_to_cpu(sta_info_le.rx_rate) / 100; |
| } |
| if (le16_to_cpu(sta_info_le.ver) >= 4) { |
| sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES); |
| sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes); |
| sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES); |
| sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes); |
| } |
| total_rssi = 0; |
| count_rssi = 0; |
| for (i = 0; i < BRCMF_ANT_MAX; i++) { |
| if (sta_info_le.rssi[i]) { |
| sinfo->chain_signal_avg[count_rssi] = |
| sta_info_le.rssi[i]; |
| sinfo->chain_signal[count_rssi] = |
| sta_info_le.rssi[i]; |
| total_rssi += sta_info_le.rssi[i]; |
| count_rssi++; |
| } |
| } |
| if (count_rssi) { |
| sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL); |
| sinfo->chains = count_rssi; |
| |
| sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); |
| total_rssi /= count_rssi; |
| sinfo->signal = total_rssi; |
| } else if (test_bit(BRCMF_VIF_STATUS_CONNECTED, |
| &ifp->vif->sme_state)) { |
| memset(&scb_val, 0, sizeof(scb_val)); |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, |
| &scb_val, sizeof(scb_val)); |
| if (err) { |
| brcmf_err("Could not get rssi (%d)\n", err); |
| goto done; |
| } else { |
| rssi = le32_to_cpu(scb_val.val); |
| sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); |
| sinfo->signal = rssi; |
| brcmf_dbg(CONN, "RSSI %d dBm\n", rssi); |
| } |
| } |
| } |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static int |
| brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev, |
| int idx, u8 *mac, struct station_info *sinfo) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err; |
| |
| brcmf_dbg(TRACE, "Enter, idx %d\n", idx); |
| |
| if (idx == 0) { |
| cfg->assoclist.count = cpu_to_le32(BRCMF_MAX_ASSOCLIST); |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_ASSOCLIST, |
| &cfg->assoclist, |
| sizeof(cfg->assoclist)); |
| if (err) { |
| brcmf_err("BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n", |
| err); |
| cfg->assoclist.count = 0; |
| return -EOPNOTSUPP; |
| } |
| } |
| if (idx < le32_to_cpu(cfg->assoclist.count)) { |
| memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN); |
| return brcmf_cfg80211_get_station(wiphy, ndev, mac, sinfo); |
| } |
| return -ENOENT; |
| } |
| |
| static s32 |
| brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, |
| bool enabled, s32 timeout) |
| { |
| s32 pm; |
| s32 err = 0; |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| /* |
| * Powersave enable/disable request is coming from the |
| * cfg80211 even before the interface is up. In that |
| * scenario, driver will be storing the power save |
| * preference in cfg struct to apply this to |
| * FW later while initializing the dongle |
| */ |
| cfg->pwr_save = enabled; |
| if (!check_vif_up(ifp->vif)) { |
| |
| brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n"); |
| goto done; |
| } |
| |
| pm = enabled ? PM_FAST : PM_OFF; |
| /* Do not enable the power save after assoc if it is a p2p interface */ |
| if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) { |
| brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); |
| pm = PM_OFF; |
| } |
| brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled")); |
| |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm); |
| if (err) { |
| if (err == -ENODEV) |
| brcmf_err("net_device is not ready yet\n"); |
| else |
| brcmf_err("error (%d)\n", err); |
| } |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_bss_info_le *bi) |
| { |
| struct wiphy *wiphy = cfg_to_wiphy(cfg); |
| struct ieee80211_channel *notify_channel; |
| struct cfg80211_bss *bss; |
| struct ieee80211_supported_band *band; |
| struct brcmu_chan ch; |
| u16 channel; |
| u32 freq; |
| u16 notify_capability; |
| u16 notify_interval; |
| u8 *notify_ie; |
| size_t notify_ielen; |
| s32 notify_signal; |
| |
| if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { |
| brcmf_err("Bss info is larger than buffer. Discarding\n"); |
| return 0; |
| } |
| |
| if (!bi->ctl_ch) { |
| ch.chspec = le16_to_cpu(bi->chanspec); |
| cfg->d11inf.decchspec(&ch); |
| bi->ctl_ch = ch.control_ch_num; |
| } |
| channel = bi->ctl_ch; |
| |
| if (channel <= CH_MAX_2G_CHANNEL) |
| band = wiphy->bands[NL80211_BAND_2GHZ]; |
| else |
| band = wiphy->bands[NL80211_BAND_5GHZ]; |
| |
| freq = ieee80211_channel_to_frequency(channel, band->band); |
| notify_channel = ieee80211_get_channel(wiphy, freq); |
| |
| notify_capability = le16_to_cpu(bi->capability); |
| notify_interval = le16_to_cpu(bi->beacon_period); |
| notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); |
| notify_ielen = le32_to_cpu(bi->ie_length); |
| notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; |
| |
| brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID); |
| brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq); |
| brcmf_dbg(CONN, "Capability: %X\n", notify_capability); |
| brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval); |
| brcmf_dbg(CONN, "Signal: %d\n", notify_signal); |
| |
| bss = cfg80211_inform_bss(wiphy, notify_channel, |
| CFG80211_BSS_FTYPE_UNKNOWN, |
| (const u8 *)bi->BSSID, |
| 0, notify_capability, |
| notify_interval, notify_ie, |
| notify_ielen, notify_signal, |
| GFP_KERNEL); |
| |
| if (!bss) |
| return -ENOMEM; |
| |
| cfg80211_put_bss(wiphy, bss); |
| |
| return 0; |
| } |
| |
| static struct brcmf_bss_info_le * |
| next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) |
| { |
| if (bss == NULL) |
| return list->bss_info_le; |
| return (struct brcmf_bss_info_le *)((unsigned long)bss + |
| le32_to_cpu(bss->length)); |
| } |
| |
| static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) |
| { |
| struct brcmf_scan_results *bss_list; |
| struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ |
| s32 err = 0; |
| int i; |
| |
| bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; |
| if (bss_list->count != 0 && |
| bss_list->version != BRCMF_BSS_INFO_VERSION) { |
| brcmf_err("Version %d != WL_BSS_INFO_VERSION\n", |
| bss_list->version); |
| return -EOPNOTSUPP; |
| } |
| brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count); |
| for (i = 0; i < bss_list->count; i++) { |
| bi = next_bss_le(bss_list, bi); |
| err = brcmf_inform_single_bss(cfg, bi); |
| if (err) |
| break; |
| } |
| return err; |
| } |
| |
| static s32 brcmf_inform_ibss(struct brcmf_cfg80211_info *cfg, |
| struct net_device *ndev, const u8 *bssid) |
| { |
| struct wiphy *wiphy = cfg_to_wiphy(cfg); |
| struct ieee80211_channel *notify_channel; |
| struct brcmf_bss_info_le *bi = NULL; |
| struct ieee80211_supported_band *band; |
| struct cfg80211_bss *bss; |
| struct brcmu_chan ch; |
| u8 *buf = NULL; |
| s32 err = 0; |
| u32 freq; |
| u16 notify_capability; |
| u16 notify_interval; |
| u8 *notify_ie; |
| size_t notify_ielen; |
| s32 notify_signal; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| if (buf == NULL) { |
| err = -ENOMEM; |
| goto CleanUp; |
| } |
| |
| *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); |
| |
| err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO, |
| buf, WL_BSS_INFO_MAX); |
| if (err) { |
| brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err); |
| goto CleanUp; |
| } |
| |
| bi = (struct brcmf_bss_info_le *)(buf + 4); |
| |
| ch.chspec = le16_to_cpu(bi->chanspec); |
| cfg->d11inf.decchspec(&ch); |
| |
| if (ch.band == BRCMU_CHAN_BAND_2G) |
| band = wiphy->bands[NL80211_BAND_2GHZ]; |
| else |
| band = wiphy->bands[NL80211_BAND_5GHZ]; |
| |
| freq = ieee80211_channel_to_frequency(ch.control_ch_num, band->band); |
| cfg->channel = freq; |
| notify_channel = ieee80211_get_channel(wiphy, freq); |
| |
| notify_capability = le16_to_cpu(bi->capability); |
| notify_interval = le16_to_cpu(bi->beacon_period); |
| notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); |
| notify_ielen = le32_to_cpu(bi->ie_length); |
| notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; |
| |
| brcmf_dbg(CONN, "channel: %d(%d)\n", ch.control_ch_num, freq); |
| brcmf_dbg(CONN, "capability: %X\n", notify_capability); |
| brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval); |
| brcmf_dbg(CONN, "signal: %d\n", notify_signal); |
| |
| bss = cfg80211_inform_bss(wiphy, notify_channel, |
| CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0, |
| notify_capability, notify_interval, |
| notify_ie, notify_ielen, notify_signal, |
| GFP_KERNEL); |
| |
| if (!bss) { |
| err = -ENOMEM; |
| goto CleanUp; |
| } |
| |
| cfg80211_put_bss(wiphy, bss); |
| |
| CleanUp: |
| |
| kfree(buf); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| |
| return err; |
| } |
| |
| static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_if *ifp) |
| { |
| struct brcmf_bss_info_le *bi; |
| const struct brcmf_tlv *tim; |
| u16 beacon_interval; |
| u8 dtim_period; |
| size_t ie_len; |
| u8 *ie; |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (brcmf_is_ibssmode(ifp->vif)) |
| return err; |
| |
| *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, |
| cfg->extra_buf, WL_EXTRA_BUF_MAX); |
| if (err) { |
| brcmf_err("Could not get bss info %d\n", err); |
| goto update_bss_info_out; |
| } |
| |
| bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4); |
| err = brcmf_inform_single_bss(cfg, bi); |
| if (err) |
| goto update_bss_info_out; |
| |
| ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); |
| ie_len = le32_to_cpu(bi->ie_length); |
| beacon_interval = le16_to_cpu(bi->beacon_period); |
| |
| tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); |
| if (tim) |
| dtim_period = tim->data[1]; |
| else { |
| /* |
| * active scan was done so we could not get dtim |
| * information out of probe response. |
| * so we speficially query dtim information to dongle. |
| */ |
| u32 var; |
| err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var); |
| if (err) { |
| brcmf_err("wl dtim_assoc failed (%d)\n", err); |
| goto update_bss_info_out; |
| } |
| dtim_period = (u8)var; |
| } |
| |
| update_bss_info_out: |
| brcmf_dbg(TRACE, "Exit"); |
| return err; |
| } |
| |
| void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) |
| { |
| struct escan_info *escan = &cfg->escan_info; |
| |
| set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); |
| if (cfg->scan_request) { |
| escan->escan_state = WL_ESCAN_STATE_IDLE; |
| brcmf_notify_escan_complete(cfg, escan->ifp, true, true); |
| } |
| clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
| clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); |
| } |
| |
| static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) |
| { |
| struct brcmf_cfg80211_info *cfg = |
| container_of(work, struct brcmf_cfg80211_info, |
| escan_timeout_work); |
| |
| brcmf_inform_bss(cfg); |
| brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true); |
| } |
| |
| static void brcmf_escan_timeout(unsigned long data) |
| { |
| struct brcmf_cfg80211_info *cfg = |
| (struct brcmf_cfg80211_info *)data; |
| |
| if (cfg->scan_request) { |
| brcmf_err("timer expired\n"); |
| schedule_work(&cfg->escan_timeout_work); |
| } |
| } |
| |
| static s32 |
| brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_bss_info_le *bss, |
| struct brcmf_bss_info_le *bss_info_le) |
| { |
| struct brcmu_chan ch_bss, ch_bss_info_le; |
| |
| ch_bss.chspec = le16_to_cpu(bss->chanspec); |
| cfg->d11inf.decchspec(&ch_bss); |
| ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec); |
| cfg->d11inf.decchspec(&ch_bss_info_le); |
| |
| if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && |
| ch_bss.band == ch_bss_info_le.band && |
| bss_info_le->SSID_len == bss->SSID_len && |
| !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { |
| if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == |
| (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) { |
| s16 bss_rssi = le16_to_cpu(bss->RSSI); |
| s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); |
| |
| /* preserve max RSSI if the measurements are |
| * both on-channel or both off-channel |
| */ |
| if (bss_info_rssi > bss_rssi) |
| bss->RSSI = bss_info_le->RSSI; |
| } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) && |
| (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) { |
| /* preserve the on-channel rssi measurement |
| * if the new measurement is off channel |
| */ |
| bss->RSSI = bss_info_le->RSSI; |
| bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL; |
| } |
| return 1; |
| } |
| return 0; |
| } |
| |
| static s32 |
| brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, |
| const struct brcmf_event_msg *e, void *data) |
| { |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| s32 status; |
| struct brcmf_escan_result_le *escan_result_le; |
| struct brcmf_bss_info_le *bss_info_le; |
| struct brcmf_bss_info_le *bss = NULL; |
| u32 bi_length; |
| struct brcmf_scan_results *list; |
| u32 i; |
| bool aborted; |
| |
| status = e->status; |
| |
| if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
| brcmf_err("scan not ready, bsscfgidx=%d\n", ifp->bsscfgidx); |
| return -EPERM; |
| } |
| |
| if (status == BRCMF_E_STATUS_PARTIAL) { |
| brcmf_dbg(SCAN, "ESCAN Partial result\n"); |
| escan_result_le = (struct brcmf_escan_result_le *) data; |
| if (!escan_result_le) { |
| brcmf_err("Invalid escan result (NULL pointer)\n"); |
| goto exit; |
| } |
| if (le16_to_cpu(escan_result_le->bss_count) != 1) { |
| brcmf_err("Invalid bss_count %d: ignoring\n", |
| escan_result_le->bss_count); |
| goto exit; |
| } |
| bss_info_le = &escan_result_le->bss_info_le; |
| |
| if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le)) |
| goto exit; |
| |
| if (!cfg->scan_request) { |
| brcmf_dbg(SCAN, "result without cfg80211 request\n"); |
| goto exit; |
| } |
| |
| bi_length = le32_to_cpu(bss_info_le->length); |
| if (bi_length != (le32_to_cpu(escan_result_le->buflen) - |
| WL_ESCAN_RESULTS_FIXED_SIZE)) { |
| brcmf_err("Invalid bss_info length %d: ignoring\n", |
| bi_length); |
| goto exit; |
| } |
| |
| if (!(cfg_to_wiphy(cfg)->interface_modes & |
| BIT(NL80211_IFTYPE_ADHOC))) { |
| if (le16_to_cpu(bss_info_le->capability) & |
| WLAN_CAPABILITY_IBSS) { |
| brcmf_err("Ignoring IBSS result\n"); |
| goto exit; |
| } |
| } |
| |
| list = (struct brcmf_scan_results *) |
| cfg->escan_info.escan_buf; |
| if (bi_length > BRCMF_ESCAN_BUF_SIZE - list->buflen) { |
| brcmf_err("Buffer is too small: ignoring\n"); |
| goto exit; |
| } |
| |
| for (i = 0; i < list->count; i++) { |
| bss = bss ? (struct brcmf_bss_info_le *) |
| ((unsigned char *)bss + |
| le32_to_cpu(bss->length)) : list->bss_info_le; |
| if (brcmf_compare_update_same_bss(cfg, bss, |
| bss_info_le)) |
| goto exit; |
| } |
| memcpy(&cfg->escan_info.escan_buf[list->buflen], bss_info_le, |
| bi_length); |
| list->version = le32_to_cpu(bss_info_le->version); |
| list->buflen += bi_length; |
| list->count++; |
| } else { |
| cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
| if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) |
| goto exit; |
| if (cfg->scan_request) { |
| brcmf_inform_bss(cfg); |
| aborted = status != BRCMF_E_STATUS_SUCCESS; |
| brcmf_notify_escan_complete(cfg, ifp, aborted, false); |
| } else |
| brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", |
| status); |
| } |
| exit: |
| return 0; |
| } |
| |
| static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) |
| { |
| brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT, |
| brcmf_cfg80211_escan_handler); |
| cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
| /* Init scan_timeout timer */ |
| init_timer(&cfg->escan_timeout); |
| cfg->escan_timeout.data = (unsigned long) cfg; |
| cfg->escan_timeout.function = brcmf_escan_timeout; |
| INIT_WORK(&cfg->escan_timeout_work, |
| brcmf_cfg80211_escan_timeout_worker); |
| } |
| |
| /* PFN result doesn't have all the info which are required by the supplicant |
| * (For e.g IEs) Do a target Escan so that sched scan results are reported |
| * via wl_inform_single_bss in the required format. Escan does require the |
| * scan request in the form of cfg80211_scan_request. For timebeing, create |
| * cfg80211_scan_request one out of the received PNO event. |
| */ |
| static s32 |
| brcmf_notify_sched_scan_results(struct brcmf_if *ifp, |
| const struct brcmf_event_msg *e, void *data) |
| { |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| struct brcmf_pno_net_info_le *netinfo, *netinfo_start; |
| struct cfg80211_scan_request *request = NULL; |
| struct cfg80211_ssid *ssid = NULL; |
| struct ieee80211_channel *channel = NULL; |
| struct wiphy *wiphy = cfg_to_wiphy(cfg); |
| int err = 0; |
| int channel_req = 0; |
| int band = 0; |
| struct brcmf_pno_scanresults_le *pfn_result; |
| u32 result_count; |
| u32 status; |
| |
| brcmf_dbg(SCAN, "Enter\n"); |
| |
| if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) { |
| brcmf_dbg(SCAN, "Event data to small. Ignore\n"); |
| return 0; |
| } |
| |
| if (e->event_code == BRCMF_E_PFN_NET_LOST) { |
| brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n"); |
| return 0; |
| } |
| |
| pfn_result = (struct brcmf_pno_scanresults_le *)data; |
| result_count = le32_to_cpu(pfn_result->count); |
| status = le32_to_cpu(pfn_result->status); |
| |
| /* PFN event is limited to fit 512 bytes so we may get |
| * multiple NET_FOUND events. For now place a warning here. |
| */ |
| WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE); |
| brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count); |
| if (result_count > 0) { |
| int i; |
| |
| request = kzalloc(sizeof(*request), GFP_KERNEL); |
| ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL); |
| channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL); |
| if (!request || !ssid || !channel) { |
| err = -ENOMEM; |
| goto out_err; |
| } |
| |
| request->wiphy = wiphy; |
| data += sizeof(struct brcmf_pno_scanresults_le); |
| netinfo_start = (struct brcmf_pno_net_info_le *)data; |
| |
| for (i = 0; i < result_count; i++) { |
| netinfo = &netinfo_start[i]; |
| if (!netinfo) { |
| brcmf_err("Invalid netinfo ptr. index: %d\n", |
| i); |
| err = -EINVAL; |
| goto out_err; |
| } |
| |
| brcmf_dbg(SCAN, "SSID:%s Channel:%d\n", |
| netinfo->SSID, netinfo->channel); |
| memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len); |
| ssid[i].ssid_len = netinfo->SSID_len; |
| request->n_ssids++; |
| |
| channel_req = netinfo->channel; |
| if (channel_req <= CH_MAX_2G_CHANNEL) |
| band = NL80211_BAND_2GHZ; |
| else |
| band = NL80211_BAND_5GHZ; |
| channel[i].center_freq = |
| ieee80211_channel_to_frequency(channel_req, |
| band); |
| channel[i].band = band; |
| channel[i].flags |= IEEE80211_CHAN_NO_HT40; |
| request->channels[i] = &channel[i]; |
| request->n_channels++; |
| } |
| |
| /* assign parsed ssid array */ |
| if (request->n_ssids) |
| request->ssids = &ssid[0]; |
| |
| if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
| /* Abort any on-going scan */ |
| brcmf_abort_scanning(cfg); |
| } |
| |
| set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
| cfg->escan_info.run = brcmf_run_escan; |
| err = brcmf_do_escan(cfg, wiphy, ifp, request); |
| if (err) { |
| clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
| goto out_err; |
| } |
| cfg->sched_escan = true; |
| cfg->scan_request = request; |
| } else { |
| brcmf_err("FALSE PNO Event. (pfn_count == 0)\n"); |
| goto out_err; |
| } |
| |
| kfree(ssid); |
| kfree(channel); |
| kfree(request); |
| return 0; |
| |
| out_err: |
| kfree(ssid); |
| kfree(channel); |
| kfree(request); |
| cfg80211_sched_scan_stopped(wiphy); |
| return err; |
| } |
| |
| static int brcmf_dev_pno_clean(struct net_device *ndev) |
| { |
| int ret; |
| |
| /* Disable pfn */ |
| ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0); |
| if (ret == 0) { |
| /* clear pfn */ |
| ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear", |
| NULL, 0); |
| } |
| if (ret < 0) |
| brcmf_err("failed code %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int brcmf_dev_pno_config(struct brcmf_if *ifp, |
| struct cfg80211_sched_scan_request *request) |
| { |
| struct brcmf_pno_param_le pfn_param; |
| struct brcmf_pno_macaddr_le pfn_mac; |
| s32 err; |
| u8 *mac_mask; |
| int i; |
| |
| memset(&pfn_param, 0, sizeof(pfn_param)); |
| pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION); |
| |
| /* set extra pno params */ |
| pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT); |
| pfn_param.repeat = BRCMF_PNO_REPEAT; |
| pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX; |
| |
| /* set up pno scan fr */ |
| pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME); |
| |
| err = brcmf_fil_iovar_data_set(ifp, "pfn_set", &pfn_param, |
| sizeof(pfn_param)); |
| if (err) { |
| brcmf_err("pfn_set failed, err=%d\n", err); |
| return err; |
| } |
| |
| /* Find out if mac randomization should be turned on */ |
| if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)) |
| return 0; |
| |
| pfn_mac.version = BRCMF_PFN_MACADDR_CFG_VER; |
| pfn_mac.flags = BRCMF_PFN_MAC_OUI_ONLY | BRCMF_PFN_SET_MAC_UNASSOC; |
| |
| memcpy(pfn_mac.mac, request->mac_addr, ETH_ALEN); |
| mac_mask = request->mac_addr_mask; |
| for (i = 0; i < ETH_ALEN; i++) { |
| pfn_mac.mac[i] &= mac_mask[i]; |
| pfn_mac.mac[i] |= get_random_int() & ~(mac_mask[i]); |
| } |
| /* Clear multi bit */ |
| pfn_mac.mac[0] &= 0xFE; |
| /* Set locally administered */ |
| pfn_mac.mac[0] |= 0x02; |
| |
| err = brcmf_fil_iovar_data_set(ifp, "pfn_macaddr", &pfn_mac, |
| sizeof(pfn_mac)); |
| if (err) |
| brcmf_err("pfn_macaddr failed, err=%d\n", err); |
| |
| return err; |
| } |
| |
| static int |
| brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, |
| struct net_device *ndev, |
| struct cfg80211_sched_scan_request *request) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
| struct brcmf_pno_net_param_le pfn; |
| int i; |
| int ret = 0; |
| |
| brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n", |
| request->n_match_sets, request->n_ssids); |
| if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
| brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); |
| return -EAGAIN; |
| } |
| if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { |
| brcmf_err("Scanning suppressed: status (%lu)\n", |
| cfg->scan_status); |
| return -EAGAIN; |
| } |
| |
| if (!request->n_ssids || !request->n_match_sets) { |
| brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n", |
| request->n_ssids); |
| return -EINVAL; |
| } |
| |
| if (request->n_ssids > 0) { |
| for (i = 0; i < request->n_ssids; i++) { |
| /* Active scan req for ssids */ |
| brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n", |
| request->ssids[i].ssid); |
| |
| /* match_set ssids is a supert set of n_ssid list, |
| * so we need not add these set separately. |
| */ |
| } |
| } |
| |
| if (request->n_match_sets > 0) { |
| /* clean up everything */ |
| ret = brcmf_dev_pno_clean(ndev); |
| if (ret < 0) { |
| brcmf_err("failed error=%d\n", ret); |
| return ret; |
| } |
| |
| /* configure pno */ |
| if (brcmf_dev_pno_config(ifp, request)) |
| return -EINVAL; |
| |
| /* configure each match set */ |
| for (i = 0; i < request->n_match_sets; i++) { |
| struct cfg80211_ssid *ssid; |
| u32 ssid_len; |
| |
| ssid = &request->match_sets[i].ssid; |
| ssid_len = ssid->ssid_len; |
| |
| if (!ssid_len) { |
| brcmf_err("skip broadcast ssid\n"); |
| continue; |
| } |
| pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN); |
| pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY); |
| pfn.wsec = cpu_to_le32(0); |
| pfn.infra = cpu_to_le32(1); |
| pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT); |
| pfn.ssid.SSID_len = cpu_to_le32(ssid_len); |
| memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len); |
| ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn, |
| sizeof(pfn)); |
| brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n", |
| ret == 0 ? "set" : "failed", ssid->ssid); |
| } |
| /* Enable the PNO */ |
| if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) { |
| brcmf_err("PNO enable failed!! ret=%d\n", ret); |
| return -EINVAL; |
| } |
| } else { |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy, |
| struct net_device *ndev) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| |
| brcmf_dbg(SCAN, "enter\n"); |
| brcmf_dev_pno_clean(ndev); |
| if (cfg->sched_escan) |
| brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true); |
| return 0; |
| } |
| |
| static __always_inline void brcmf_delay(u32 ms) |
| { |
| if (ms < 1000 / HZ) { |
| cond_resched(); |
| mdelay(ms); |
| } else { |
| msleep(ms); |
| } |
| } |
| |
| static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4], |
| u8 *pattern, u32 patternsize, u8 *mask, |
| u32 packet_offset) |
| { |
| struct brcmf_fil_wowl_pattern_le *filter; |
| u32 masksize; |
| u32 patternoffset; |
| u8 *buf; |
| u32 bufsize; |
| s32 ret; |
| |
| masksize = (patternsize + 7) / 8; |
| patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize; |
| |
| bufsize = sizeof(*filter) + patternsize + masksize; |
| buf = kzalloc(bufsize, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| filter = (struct brcmf_fil_wowl_pattern_le *)buf; |
| |
| memcpy(filter->cmd, cmd, 4); |
| filter->masksize = cpu_to_le32(masksize); |
| filter->offset = cpu_to_le32(packet_offset); |
| filter->patternoffset = cpu_to_le32(patternoffset); |
| filter->patternsize = cpu_to_le32(patternsize); |
| filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP); |
| |
| if ((mask) && (masksize)) |
| memcpy(buf + sizeof(*filter), mask, masksize); |
| if ((pattern) && (patternsize)) |
| memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize); |
| |
| ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize); |
| |
| kfree(buf); |
| return ret; |
| } |
| |
| static s32 |
| brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e, |
| void *data) |
| { |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| struct brcmf_pno_scanresults_le *pfn_result; |
| struct brcmf_pno_net_info_le *netinfo; |
| |
| brcmf_dbg(SCAN, "Enter\n"); |
| |
| if (e->datalen < (sizeof(*pfn_result) + sizeof(*netinfo))) { |
| brcmf_dbg(SCAN, "Event data to small. Ignore\n"); |
| return 0; |
| } |
| |
| pfn_result = (struct brcmf_pno_scanresults_le *)data; |
| |
| if (e->event_code == BRCMF_E_PFN_NET_LOST) { |
| brcmf_dbg(SCAN, "PFN NET LOST event. Ignore\n"); |
| return 0; |
| } |
| |
| if (le32_to_cpu(pfn_result->count) < 1) { |
| brcmf_err("Invalid result count, expected 1 (%d)\n", |
| le32_to_cpu(pfn_result->count)); |
| return -EINVAL; |
| } |
| |
| data += sizeof(struct brcmf_pno_scanresults_le); |
| netinfo = (struct brcmf_pno_net_info_le *)data; |
| memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len); |
| cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len; |
| cfg->wowl.nd->n_channels = 1; |
| cfg->wowl.nd->channels[0] = |
| ieee80211_channel_to_frequency(netinfo->channel, |
| netinfo->channel <= CH_MAX_2G_CHANNEL ? |
| NL80211_BAND_2GHZ : NL80211_BAND_5GHZ); |
| cfg->wowl.nd_info->n_matches = 1; |
| cfg->wowl.nd_info->matches[0] = cfg->wowl.nd; |
| |
| /* Inform (the resume task) that the net detect information was recvd */ |
| cfg->wowl.nd_data_completed = true; |
| wake_up(&cfg->wowl.nd_data_wait); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| |
| static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_wowl_wakeind_le wake_ind_le; |
| struct cfg80211_wowlan_wakeup wakeup_data; |
| struct cfg80211_wowlan_wakeup *wakeup; |
| u32 wakeind; |
| s32 err; |
| int timeout; |
| |
| err = brcmf_fil_iovar_data_get(ifp, "wowl_wakeind", &wake_ind_le, |
| sizeof(wake_ind_le)); |
| if (err) { |
| brcmf_err("Get wowl_wakeind failed, err = %d\n", err); |
| return; |
| } |
| |
| wakeind = le32_to_cpu(wake_ind_le.ucode_wakeind); |
| if (wakeind & (BRCMF_WOWL_MAGIC | BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | |
| BRCMF_WOWL_RETR | BRCMF_WOWL_NET | |
| BRCMF_WOWL_PFN_FOUND)) { |
| wakeup = &wakeup_data; |
| memset(&wakeup_data, 0, sizeof(wakeup_data)); |
| wakeup_data.pattern_idx = -1; |
| |
| if (wakeind & BRCMF_WOWL_MAGIC) { |
| brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_MAGIC\n"); |
| wakeup_data.magic_pkt = true; |
| } |
| if (wakeind & BRCMF_WOWL_DIS) { |
| brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_DIS\n"); |
| wakeup_data.disconnect = true; |
| } |
| if (wakeind & BRCMF_WOWL_BCN) { |
| brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_BCN\n"); |
| wakeup_data.disconnect = true; |
| } |
| if (wakeind & BRCMF_WOWL_RETR) { |
| brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_RETR\n"); |
| wakeup_data.disconnect = true; |
| } |
| if (wakeind & BRCMF_WOWL_NET) { |
| brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_NET\n"); |
| /* For now always map to pattern 0, no API to get |
| * correct information available at the moment. |
| */ |
| wakeup_data.pattern_idx = 0; |
| } |
| if (wakeind & BRCMF_WOWL_PFN_FOUND) { |
| brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_PFN_FOUND\n"); |
| timeout = wait_event_timeout(cfg->wowl.nd_data_wait, |
| cfg->wowl.nd_data_completed, |
| BRCMF_ND_INFO_TIMEOUT); |
| if (!timeout) |
| brcmf_err("No result for wowl net detect\n"); |
| else |
| wakeup_data.net_detect = cfg->wowl.nd_info; |
| } |
| if (wakeind & BRCMF_WOWL_GTK_FAILURE) { |
| brcmf_dbg(INFO, "WOWL Wake indicator: BRCMF_WOWL_GTK_FAILURE\n"); |
| wakeup_data.gtk_rekey_failure = true; |
| } |
| } else { |
| wakeup = NULL; |
| } |
| cfg80211_report_wowlan_wakeup(&ifp->vif->wdev, wakeup, GFP_KERNEL); |
| } |
| |
| #else |
| |
| static void brcmf_report_wowl_wakeind(struct wiphy *wiphy, struct brcmf_if *ifp) |
| { |
| } |
| |
| #endif /* CONFIG_PM */ |
| |
| static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct net_device *ndev = cfg_to_ndev(cfg); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| if (cfg->wowl.active) { |
| brcmf_report_wowl_wakeind(wiphy, ifp); |
| brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0); |
| brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0); |
| if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND)) |
| brcmf_configure_arp_nd_offload(ifp, true); |
| brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, |
| cfg->wowl.pre_pmmode); |
| cfg->wowl.active = false; |
| if (cfg->wowl.nd_enabled) { |
| brcmf_cfg80211_sched_scan_stop(cfg->wiphy, ifp->ndev); |
| brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, |
| brcmf_notify_sched_scan_results); |
| cfg->wowl.nd_enabled = false; |
| } |
| } |
| return 0; |
| } |
| |
| static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_if *ifp, |
| struct cfg80211_wowlan *wowl) |
| { |
| u32 wowl_config; |
| struct brcmf_wowl_wakeind_le wowl_wakeind; |
| u32 i; |
| |
| brcmf_dbg(TRACE, "Suspend, wowl config.\n"); |
| |
| if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND)) |
| brcmf_configure_arp_nd_offload(ifp, false); |
| brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode); |
| brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX); |
| |
| wowl_config = 0; |
| if (wowl->disconnect) |
| wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR; |
| if (wowl->magic_pkt) |
| wowl_config |= BRCMF_WOWL_MAGIC; |
| if ((wowl->patterns) && (wowl->n_patterns)) { |
| wowl_config |= BRCMF_WOWL_NET; |
| for (i = 0; i < wowl->n_patterns; i++) { |
| brcmf_config_wowl_pattern(ifp, "add", |
| (u8 *)wowl->patterns[i].pattern, |
| wowl->patterns[i].pattern_len, |
| (u8 *)wowl->patterns[i].mask, |
| wowl->patterns[i].pkt_offset); |
| } |
| } |
| if (wowl->nd_config) { |
| brcmf_cfg80211_sched_scan_start(cfg->wiphy, ifp->ndev, |
| wowl->nd_config); |
| wowl_config |= BRCMF_WOWL_PFN_FOUND; |
| |
| cfg->wowl.nd_data_completed = false; |
| cfg->wowl.nd_enabled = true; |
| /* Now reroute the event for PFN to the wowl function. */ |
| brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, |
| brcmf_wowl_nd_results); |
| } |
| if (wowl->gtk_rekey_failure) |
| wowl_config |= BRCMF_WOWL_GTK_FAILURE; |
| if (!test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) |
| wowl_config |= BRCMF_WOWL_UNASSOC; |
| |
| memcpy(&wowl_wakeind, "clear", 6); |
| brcmf_fil_iovar_data_set(ifp, "wowl_wakeind", &wowl_wakeind, |
| sizeof(wowl_wakeind)); |
| brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config); |
| brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1); |
| brcmf_bus_wowl_config(cfg->pub->bus_if, true); |
| cfg->wowl.active = true; |
| } |
| |
| static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, |
| struct cfg80211_wowlan *wowl) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct net_device *ndev = cfg_to_ndev(cfg); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_vif *vif; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| /* if the primary net_device is not READY there is nothing |
| * we can do but pray resume goes smoothly. |
| */ |
| if (!check_vif_up(ifp->vif)) |
| goto exit; |
| |
| /* Stop scheduled scan */ |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) |
| brcmf_cfg80211_sched_scan_stop(wiphy, ndev); |
| |
| /* end any scanning */ |
| if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) |
| brcmf_abort_scanning(cfg); |
| |
| if (wowl == NULL) { |
| brcmf_bus_wowl_config(cfg->pub->bus_if, false); |
| list_for_each_entry(vif, &cfg->vif_list, list) { |
| if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) |
| continue; |
| /* While going to suspend if associated with AP |
| * disassociate from AP to save power while system is |
| * in suspended state |
| */ |
| brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED); |
| /* Make sure WPA_Supplicant receives all the event |
| * generated due to DISASSOC call to the fw to keep |
| * the state fw and WPA_Supplicant state consistent |
| */ |
| brcmf_delay(500); |
| } |
| /* Configure MPC */ |
| brcmf_set_mpc(ifp, 1); |
| |
| } else { |
| /* Configure WOWL paramaters */ |
| brcmf_configure_wowl(cfg, ifp, wowl); |
| } |
| |
| exit: |
| brcmf_dbg(TRACE, "Exit\n"); |
| /* clear any scanning activity */ |
| cfg->scan_status = 0; |
| return 0; |
| } |
| |
| static __used s32 |
| brcmf_update_pmklist(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp) |
| { |
| struct brcmf_pmk_list_le *pmk_list; |
| int i; |
| u32 npmk; |
| s32 err; |
| |
| pmk_list = &cfg->pmk_list; |
| npmk = le32_to_cpu(pmk_list->npmk); |
| |
| brcmf_dbg(CONN, "No of elements %d\n", npmk); |
| for (i = 0; i < npmk; i++) |
| brcmf_dbg(CONN, "PMK[%d]: %pM\n", i, &pmk_list->pmk[i].bssid); |
| |
| err = brcmf_fil_iovar_data_set(ifp, "pmkid_info", pmk_list, |
| sizeof(*pmk_list)); |
| |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_pmksa *pmksa) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0]; |
| s32 err; |
| u32 npmk, i; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| npmk = le32_to_cpu(cfg->pmk_list.npmk); |
| for (i = 0; i < npmk; i++) |
| if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN)) |
| break; |
| if (i < BRCMF_MAXPMKID) { |
| memcpy(pmk[i].bssid, pmksa->bssid, ETH_ALEN); |
| memcpy(pmk[i].pmkid, pmksa->pmkid, WLAN_PMKID_LEN); |
| if (i == npmk) { |
| npmk++; |
| cfg->pmk_list.npmk = cpu_to_le32(npmk); |
| } |
| } else { |
| brcmf_err("Too many PMKSA entries cached %d\n", npmk); |
| return -EINVAL; |
| } |
| |
| brcmf_dbg(CONN, "set_pmksa - PMK bssid: %pM =\n", pmk[npmk].bssid); |
| for (i = 0; i < WLAN_PMKID_LEN; i += 4) |
| brcmf_dbg(CONN, "%02x %02x %02x %02x\n", pmk[npmk].pmkid[i], |
| pmk[npmk].pmkid[i + 1], pmk[npmk].pmkid[i + 2], |
| pmk[npmk].pmkid[i + 3]); |
| |
| err = brcmf_update_pmklist(cfg, ifp); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_pmksa *pmksa) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_pmksa *pmk = &cfg->pmk_list.pmk[0]; |
| s32 err; |
| u32 npmk, i; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| brcmf_dbg(CONN, "del_pmksa - PMK bssid = %pM\n", pmksa->bssid); |
| |
| npmk = le32_to_cpu(cfg->pmk_list.npmk); |
| for (i = 0; i < npmk; i++) |
| if (!memcmp(pmksa->bssid, pmk[i].bssid, ETH_ALEN)) |
| break; |
| |
| if ((npmk > 0) && (i < npmk)) { |
| for (; i < (npmk - 1); i++) { |
| memcpy(&pmk[i].bssid, &pmk[i + 1].bssid, ETH_ALEN); |
| memcpy(&pmk[i].pmkid, &pmk[i + 1].pmkid, |
| WLAN_PMKID_LEN); |
| } |
| memset(&pmk[i], 0, sizeof(*pmk)); |
| cfg->pmk_list.npmk = cpu_to_le32(npmk - 1); |
| } else { |
| brcmf_err("Cache entry not found\n"); |
| return -EINVAL; |
| } |
| |
| err = brcmf_update_pmklist(cfg, ifp); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| |
| } |
| |
| static s32 |
| brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| memset(&cfg->pmk_list, 0, sizeof(cfg->pmk_list)); |
| err = brcmf_update_pmklist(cfg, ifp); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| |
| } |
| |
| static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp) |
| { |
| s32 err; |
| |
| /* set auth */ |
| err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0); |
| if (err < 0) { |
| brcmf_err("auth error %d\n", err); |
| return err; |
| } |
| /* set wsec */ |
| err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0); |
| if (err < 0) { |
| brcmf_err("wsec error %d\n", err); |
| return err; |
| } |
| /* set upper-layer auth */ |
| err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE); |
| if (err < 0) { |
| brcmf_err("wpa_auth error %d\n", err); |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie) |
| { |
| if (is_rsn_ie) |
| return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0); |
| |
| return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0); |
| } |
| |
| static s32 |
| brcmf_configure_wpaie(struct brcmf_if *ifp, |
| const struct brcmf_vs_tlv *wpa_ie, |
| bool is_rsn_ie) |
| { |
| u32 auth = 0; /* d11 open authentication */ |
| u16 count; |
| s32 err = 0; |
| s32 len; |
| u32 i; |
| u32 wsec; |
| u32 pval = 0; |
| u32 gval = 0; |
| u32 wpa_auth = 0; |
| u32 offset; |
| u8 *data; |
| u16 rsn_cap; |
| u32 wme_bss_disable; |
| u32 mfp; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (wpa_ie == NULL) |
| goto exit; |
| |
| len = wpa_ie->len + TLV_HDR_LEN; |
| data = (u8 *)wpa_ie; |
| offset = TLV_HDR_LEN; |
| if (!is_rsn_ie) |
| offset += VS_IE_FIXED_HDR_LEN; |
| else |
| offset += WPA_IE_VERSION_LEN; |
| |
| /* check for multicast cipher suite */ |
| if (offset + WPA_IE_MIN_OUI_LEN > len) { |
| err = -EINVAL; |
| brcmf_err("no multicast cipher suite\n"); |
| goto exit; |
| } |
| |
| if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { |
| err = -EINVAL; |
| brcmf_err("ivalid OUI\n"); |
| goto exit; |
| } |
| offset += TLV_OUI_LEN; |
| |
| /* pick up multicast cipher */ |
| switch (data[offset]) { |
| case WPA_CIPHER_NONE: |
| gval = 0; |
| break; |
| case WPA_CIPHER_WEP_40: |
| case WPA_CIPHER_WEP_104: |
| gval = WEP_ENABLED; |
| break; |
| case WPA_CIPHER_TKIP: |
| gval = TKIP_ENABLED; |
| break; |
| case WPA_CIPHER_AES_CCM: |
| gval = AES_ENABLED; |
| break; |
| default: |
| err = -EINVAL; |
| brcmf_err("Invalid multi cast cipher info\n"); |
| goto exit; |
| } |
| |
| offset++; |
| /* walk thru unicast cipher list and pick up what we recognize */ |
| count = data[offset] + (data[offset + 1] << 8); |
| offset += WPA_IE_SUITE_COUNT_LEN; |
| /* Check for unicast suite(s) */ |
| if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { |
| err = -EINVAL; |
| brcmf_err("no unicast cipher suite\n"); |
| goto exit; |
| } |
| for (i = 0; i < count; i++) { |
| if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { |
| err = -EINVAL; |
| brcmf_err("ivalid OUI\n"); |
| goto exit; |
| } |
| offset += TLV_OUI_LEN; |
| switch (data[offset]) { |
| case WPA_CIPHER_NONE: |
| break; |
| case WPA_CIPHER_WEP_40: |
| case WPA_CIPHER_WEP_104: |
| pval |= WEP_ENABLED; |
| break; |
| case WPA_CIPHER_TKIP: |
| pval |= TKIP_ENABLED; |
| break; |
| case WPA_CIPHER_AES_CCM: |
| pval |= AES_ENABLED; |
| break; |
| default: |
| brcmf_err("Ivalid unicast security info\n"); |
| } |
| offset++; |
| } |
| /* walk thru auth management suite list and pick up what we recognize */ |
| count = data[offset] + (data[offset + 1] << 8); |
| offset += WPA_IE_SUITE_COUNT_LEN; |
| /* Check for auth key management suite(s) */ |
| if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { |
| err = -EINVAL; |
| brcmf_err("no auth key mgmt suite\n"); |
| goto exit; |
| } |
| for (i = 0; i < count; i++) { |
| if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { |
| err = -EINVAL; |
| brcmf_err("ivalid OUI\n"); |
| goto exit; |
| } |
| offset += TLV_OUI_LEN; |
| switch (data[offset]) { |
| case RSN_AKM_NONE: |
| brcmf_dbg(TRACE, "RSN_AKM_NONE\n"); |
| wpa_auth |= WPA_AUTH_NONE; |
| break; |
| case RSN_AKM_UNSPECIFIED: |
| brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n"); |
| is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) : |
| (wpa_auth |= WPA_AUTH_UNSPECIFIED); |
| break; |
| case RSN_AKM_PSK: |
| brcmf_dbg(TRACE, "RSN_AKM_PSK\n"); |
| is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) : |
| (wpa_auth |= WPA_AUTH_PSK); |
| break; |
| case RSN_AKM_SHA256_PSK: |
| brcmf_dbg(TRACE, "RSN_AKM_MFP_PSK\n"); |
| wpa_auth |= WPA2_AUTH_PSK_SHA256; |
| break; |
| case RSN_AKM_SHA256_1X: |
| brcmf_dbg(TRACE, "RSN_AKM_MFP_1X\n"); |
| wpa_auth |= WPA2_AUTH_1X_SHA256; |
| break; |
| default: |
| brcmf_err("Ivalid key mgmt info\n"); |
| } |
| offset++; |
| } |
| |
| mfp = BRCMF_MFP_NONE; |
| if (is_rsn_ie) { |
| wme_bss_disable = 1; |
| if ((offset + RSN_CAP_LEN) <= len) { |
| rsn_cap = data[offset] + (data[offset + 1] << 8); |
| if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK) |
| wme_bss_disable = 0; |
| if (rsn_cap & RSN_CAP_MFPR_MASK) { |
| brcmf_dbg(TRACE, "MFP Required\n"); |
| mfp = BRCMF_MFP_REQUIRED; |
| /* Firmware only supports mfp required in |
| * combination with WPA2_AUTH_PSK_SHA256 or |
| * WPA2_AUTH_1X_SHA256. |
| */ |
| if (!(wpa_auth & (WPA2_AUTH_PSK_SHA256 | |
| WPA2_AUTH_1X_SHA256))) { |
| err = -EINVAL; |
| goto exit; |
| } |
| /* Firmware has requirement that WPA2_AUTH_PSK/ |
| * WPA2_AUTH_UNSPECIFIED be set, if SHA256 OUI |
| * is to be included in the rsn ie. |
| */ |
| if (wpa_auth & WPA2_AUTH_PSK_SHA256) |
| wpa_auth |= WPA2_AUTH_PSK; |
| else if (wpa_auth & WPA2_AUTH_1X_SHA256) |
| wpa_auth |= WPA2_AUTH_UNSPECIFIED; |
| } else if (rsn_cap & RSN_CAP_MFPC_MASK) { |
| brcmf_dbg(TRACE, "MFP Capable\n"); |
| mfp = BRCMF_MFP_CAPABLE; |
| } |
| } |
| offset += RSN_CAP_LEN; |
| /* set wme_bss_disable to sync RSN Capabilities */ |
| err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable", |
| wme_bss_disable); |
| if (err < 0) { |
| brcmf_err("wme_bss_disable error %d\n", err); |
| goto exit; |
| } |
| |
| /* Skip PMKID cnt as it is know to be 0 for AP. */ |
| offset += RSN_PMKID_COUNT_LEN; |
| |
| /* See if there is BIP wpa suite left for MFP */ |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP) && |
| ((offset + WPA_IE_MIN_OUI_LEN) <= len)) { |
| err = brcmf_fil_bsscfg_data_set(ifp, "bip", |
| &data[offset], |
| WPA_IE_MIN_OUI_LEN); |
| if (err < 0) { |
| brcmf_err("bip error %d\n", err); |
| goto exit; |
| } |
| } |
| } |
| /* FOR WPS , set SES_OW_ENABLED */ |
| wsec = (pval | gval | SES_OW_ENABLED); |
| |
| /* set auth */ |
| err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth); |
| if (err < 0) { |
| brcmf_err("auth error %d\n", err); |
| goto exit; |
| } |
| /* set wsec */ |
| err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); |
| if (err < 0) { |
| brcmf_err("wsec error %d\n", err); |
| goto exit; |
| } |
| /* Configure MFP, this needs to go after wsec otherwise the wsec command |
| * will overwrite the values set by MFP |
| */ |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) { |
| err = brcmf_fil_bsscfg_int_set(ifp, "mfp", mfp); |
| if (err < 0) { |
| brcmf_err("mfp error %d\n", err); |
| goto exit; |
| } |
| } |
| /* set upper-layer auth */ |
| err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth); |
| if (err < 0) { |
| brcmf_err("wpa_auth error %d\n", err); |
| goto exit; |
| } |
| |
| exit: |
| return err; |
| } |
| |
| static s32 |
| brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len, |
| struct parsed_vndr_ies *vndr_ies) |
| { |
| struct brcmf_vs_tlv *vndrie; |
| struct brcmf_tlv *ie; |
| struct parsed_vndr_ie_info *parsed_info; |
| s32 remaining_len; |
| |
| remaining_len = (s32)vndr_ie_len; |
| memset(vndr_ies, 0, sizeof(*vndr_ies)); |
| |
| ie = (struct brcmf_tlv *)vndr_ie_buf; |
| while (ie) { |
| if (ie->id != WLAN_EID_VENDOR_SPECIFIC) |
| goto next; |
| vndrie = (struct brcmf_vs_tlv *)ie; |
| /* len should be bigger than OUI length + one */ |
| if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { |
| brcmf_err("invalid vndr ie. length is too small %d\n", |
| vndrie->len); |
| goto next; |
| } |
| /* if wpa or wme ie, do not add ie */ |
| if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && |
| ((vndrie->oui_type == WPA_OUI_TYPE) || |
| (vndrie->oui_type == WME_OUI_TYPE))) { |
| brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n"); |
| goto next; |
| } |
| |
| parsed_info = &vndr_ies->ie_info[vndr_ies->count]; |
| |
| /* save vndr ie information */ |
| parsed_info->ie_ptr = (char *)vndrie; |
| parsed_info->ie_len = vndrie->len + TLV_HDR_LEN; |
| memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie)); |
| |
| vndr_ies->count++; |
| |
| brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n", |
| parsed_info->vndrie.oui[0], |
| parsed_info->vndrie.oui[1], |
| parsed_info->vndrie.oui[2], |
| parsed_info->vndrie.oui_type); |
| |
| if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT) |
| break; |
| next: |
| remaining_len -= (ie->len + TLV_HDR_LEN); |
| if (remaining_len <= TLV_HDR_LEN) |
| ie = NULL; |
| else |
| ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len + |
| TLV_HDR_LEN); |
| } |
| return 0; |
| } |
| |
| static u32 |
| brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) |
| { |
| |
| strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); |
| iebuf[VNDR_IE_CMD_LEN - 1] = '\0'; |
| |
| put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]); |
| |
| put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]); |
| |
| memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len); |
| |
| return ie_len + VNDR_IE_HDR_SIZE; |
| } |
| |
| s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, |
| const u8 *vndr_ie_buf, u32 vndr_ie_len) |
| { |
| struct brcmf_if *ifp; |
| struct vif_saved_ie *saved_ie; |
| s32 err = 0; |
| u8 *iovar_ie_buf; |
| u8 *curr_ie_buf; |
| u8 *mgmt_ie_buf = NULL; |
| int mgmt_ie_buf_len; |
| u32 *mgmt_ie_len; |
| u32 del_add_ie_buf_len = 0; |
| u32 total_ie_buf_len = 0; |
| u32 parsed_ie_buf_len = 0; |
| struct parsed_vndr_ies old_vndr_ies; |
| struct parsed_vndr_ies new_vndr_ies; |
| struct parsed_vndr_ie_info *vndrie_info; |
| s32 i; |
| u8 *ptr; |
| int remained_buf_len; |
| |
| if (!vif) |
| return -ENODEV; |
| ifp = vif->ifp; |
| saved_ie = &vif->saved_ie; |
| |
| brcmf_dbg(TRACE, "bsscfgidx %d, pktflag : 0x%02X\n", ifp->bsscfgidx, |
| pktflag); |
| iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); |
| if (!iovar_ie_buf) |
| return -ENOMEM; |
| curr_ie_buf = iovar_ie_buf; |
| switch (pktflag) { |
| case BRCMF_VNDR_IE_PRBREQ_FLAG: |
| mgmt_ie_buf = saved_ie->probe_req_ie; |
| mgmt_ie_len = &saved_ie->probe_req_ie_len; |
| mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie); |
| break; |
| case BRCMF_VNDR_IE_PRBRSP_FLAG: |
| mgmt_ie_buf = saved_ie->probe_res_ie; |
| mgmt_ie_len = &saved_ie->probe_res_ie_len; |
| mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); |
| break; |
| case BRCMF_VNDR_IE_BEACON_FLAG: |
| mgmt_ie_buf = saved_ie->beacon_ie; |
| mgmt_ie_len = &saved_ie->beacon_ie_len; |
| mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie); |
| break; |
| case BRCMF_VNDR_IE_ASSOCREQ_FLAG: |
| mgmt_ie_buf = saved_ie->assoc_req_ie; |
| mgmt_ie_len = &saved_ie->assoc_req_ie_len; |
| mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie); |
| break; |
| default: |
| err = -EPERM; |
| brcmf_err("not suitable type\n"); |
| goto exit; |
| } |
| |
| if (vndr_ie_len > mgmt_ie_buf_len) { |
| err = -ENOMEM; |
| brcmf_err("extra IE size too big\n"); |
| goto exit; |
| } |
| |
| /* parse and save new vndr_ie in curr_ie_buff before comparing it */ |
| if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) { |
| ptr = curr_ie_buf; |
| brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies); |
| for (i = 0; i < new_vndr_ies.count; i++) { |
| vndrie_info = &new_vndr_ies.ie_info[i]; |
| memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr, |
| vndrie_info->ie_len); |
| parsed_ie_buf_len += vndrie_info->ie_len; |
| } |
| } |
| |
| if (mgmt_ie_buf && *mgmt_ie_len) { |
| if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && |
| (memcmp(mgmt_ie_buf, curr_ie_buf, |
| parsed_ie_buf_len) == 0)) { |
| brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n"); |
| goto exit; |
| } |
| |
| /* parse old vndr_ie */ |
| brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies); |
| |
| /* make a command to delete old ie */ |
| for (i = 0; i < old_vndr_ies.count; i++) { |
| vndrie_info = &old_vndr_ies.ie_info[i]; |
| |
| brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n", |
| vndrie_info->vndrie.id, |
| vndrie_info->vndrie.len, |
| vndrie_info->vndrie.oui[0], |
| vndrie_info->vndrie.oui[1], |
| vndrie_info->vndrie.oui[2]); |
| |
| del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, |
| vndrie_info->ie_ptr, |
| vndrie_info->ie_len, |
| "del"); |
| curr_ie_buf += del_add_ie_buf_len; |
| total_ie_buf_len += del_add_ie_buf_len; |
| } |
| } |
| |
| *mgmt_ie_len = 0; |
| /* Add if there is any extra IE */ |
| if (mgmt_ie_buf && parsed_ie_buf_len) { |
| ptr = mgmt_ie_buf; |
| |
| remained_buf_len = mgmt_ie_buf_len; |
| |
| /* make a command to add new ie */ |
| for (i = 0; i < new_vndr_ies.count; i++) { |
| vndrie_info = &new_vndr_ies.ie_info[i]; |
| |
| /* verify remained buf size before copy data */ |
| if (remained_buf_len < (vndrie_info->vndrie.len + |
| VNDR_IE_VSIE_OFFSET)) { |
| brcmf_err("no space in mgmt_ie_buf: len left %d", |
| remained_buf_len); |
| break; |
| } |
| remained_buf_len -= (vndrie_info->ie_len + |
| VNDR_IE_VSIE_OFFSET); |
| |
| brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n", |
| vndrie_info->vndrie.id, |
| vndrie_info->vndrie.len, |
| vndrie_info->vndrie.oui[0], |
| vndrie_info->vndrie.oui[1], |
| vndrie_info->vndrie.oui[2]); |
| |
| del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, |
| vndrie_info->ie_ptr, |
| vndrie_info->ie_len, |
| "add"); |
| |
| /* save the parsed IE in wl struct */ |
| memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, |
| vndrie_info->ie_len); |
| *mgmt_ie_len += vndrie_info->ie_len; |
| |
| curr_ie_buf += del_add_ie_buf_len; |
| total_ie_buf_len += del_add_ie_buf_len; |
| } |
| } |
| if (total_ie_buf_len) { |
| err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf, |
| total_ie_buf_len); |
| if (err) |
| brcmf_err("vndr ie set error : %d\n", err); |
| } |
| |
| exit: |
| kfree(iovar_ie_buf); |
| return err; |
| } |
| |
| s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif) |
| { |
| s32 pktflags[] = { |
| BRCMF_VNDR_IE_PRBREQ_FLAG, |
| BRCMF_VNDR_IE_PRBRSP_FLAG, |
| BRCMF_VNDR_IE_BEACON_FLAG |
| }; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(pktflags); i++) |
| brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0); |
| |
| memset(&vif->saved_ie, 0, sizeof(vif->saved_ie)); |
| return 0; |
| } |
| |
| static s32 |
| brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif, |
| struct cfg80211_beacon_data *beacon) |
| { |
| s32 err; |
| |
| /* Set Beacon IEs to FW */ |
| err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG, |
| beacon->tail, beacon->tail_len); |
| if (err) { |
| brcmf_err("Set Beacon IE Failed\n"); |
| return err; |
| } |
| brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n"); |
| |
| /* Set Probe Response IEs to FW */ |
| err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG, |
| beacon->proberesp_ies, |
| beacon->proberesp_ies_len); |
| if (err) |
| brcmf_err("Set Probe Resp IE Failed\n"); |
| else |
| brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n"); |
| |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_ap_settings *settings) |
| { |
| s32 ie_offset; |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| const struct brcmf_tlv *ssid_ie; |
| const struct brcmf_tlv *country_ie; |
| struct brcmf_ssid_le ssid_le; |
| s32 err = -EPERM; |
| const struct brcmf_tlv *rsn_ie; |
| const struct brcmf_vs_tlv *wpa_ie; |
| struct brcmf_join_params join_params; |
| enum nl80211_iftype dev_role; |
| struct brcmf_fil_bss_enable_le bss_enable; |
| u16 chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef); |
| bool mbss; |
| int is_11d; |
| bool supports_11d; |
| |
| brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n", |
| settings->chandef.chan->hw_value, |
| settings->chandef.center_freq1, settings->chandef.width, |
| settings->beacon_interval, settings->dtim_period); |
| brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n", |
| settings->ssid, settings->ssid_len, settings->auth_type, |
| settings->inactivity_timeout); |
| dev_role = ifp->vif->wdev.iftype; |
| mbss = ifp->vif->mbss; |
| |
| /* store current 11d setting */ |
| if (brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, |
| &ifp->vif->is_11d)) { |
| is_11d = supports_11d = false; |
| } else { |
| country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, |
| settings->beacon.tail_len, |
| WLAN_EID_COUNTRY); |
| is_11d = country_ie ? 1 : 0; |
| supports_11d = true; |
| } |
| |
| memset(&ssid_le, 0, sizeof(ssid_le)); |
| if (settings->ssid == NULL || settings->ssid_len == 0) { |
| ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; |
| ssid_ie = brcmf_parse_tlvs( |
| (u8 *)&settings->beacon.head[ie_offset], |
| settings->beacon.head_len - ie_offset, |
| WLAN_EID_SSID); |
| if (!ssid_ie || ssid_ie->len > IEEE80211_MAX_SSID_LEN) |
| return -EINVAL; |
| |
| memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); |
| ssid_le.SSID_len = cpu_to_le32(ssid_ie->len); |
| brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID); |
| } else { |
| memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len); |
| ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len); |
| } |
| |
| if (!mbss) { |
| brcmf_set_mpc(ifp, 0); |
| brcmf_configure_arp_nd_offload(ifp, false); |
| } |
| |
| /* find the RSN_IE */ |
| rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, |
| settings->beacon.tail_len, WLAN_EID_RSN); |
| |
| /* find the WPA_IE */ |
| wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, |
| settings->beacon.tail_len); |
| |
| if ((wpa_ie != NULL || rsn_ie != NULL)) { |
| brcmf_dbg(TRACE, "WPA(2) IE is found\n"); |
| if (wpa_ie != NULL) { |
| /* WPA IE */ |
| err = brcmf_configure_wpaie(ifp, wpa_ie, false); |
| if (err < 0) |
| goto exit; |
| } else { |
| struct brcmf_vs_tlv *tmp_ie; |
| |
| tmp_ie = (struct brcmf_vs_tlv *)rsn_ie; |
| |
| /* RSN IE */ |
| err = brcmf_configure_wpaie(ifp, tmp_ie, true); |
| if (err < 0) |
| goto exit; |
| } |
| } else { |
| brcmf_dbg(TRACE, "No WPA(2) IEs found\n"); |
| brcmf_configure_opensecurity(ifp); |
| } |
| |
| brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon); |
| |
| /* Parameters shared by all radio interfaces */ |
| if (!mbss) { |
| if ((supports_11d) && (is_11d != ifp->vif->is_11d)) { |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, |
| is_11d); |
| if (err < 0) { |
| brcmf_err("Regulatory Set Error, %d\n", err); |
| goto exit; |
| } |
| } |
| if (settings->beacon_interval) { |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, |
| settings->beacon_interval); |
| if (err < 0) { |
| brcmf_err("Beacon Interval Set Error, %d\n", |
| err); |
| goto exit; |
| } |
| } |
| if (settings->dtim_period) { |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD, |
| settings->dtim_period); |
| if (err < 0) { |
| brcmf_err("DTIM Interval Set Error, %d\n", err); |
| goto exit; |
| } |
| } |
| |
| if ((dev_role == NL80211_IFTYPE_AP) && |
| ((ifp->ifidx == 0) || |
| !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) { |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); |
| if (err < 0) { |
| brcmf_err("BRCMF_C_DOWN error %d\n", err); |
| goto exit; |
| } |
| brcmf_fil_iovar_int_set(ifp, "apsta", 0); |
| } |
| |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1); |
| if (err < 0) { |
| brcmf_err("SET INFRA error %d\n", err); |
| goto exit; |
| } |
| } else if (WARN_ON(supports_11d && (is_11d != ifp->vif->is_11d))) { |
| /* Multiple-BSS should use same 11d configuration */ |
| err = -EINVAL; |
| goto exit; |
| } |
| |
| /* Interface specific setup */ |
| if (dev_role == NL80211_IFTYPE_AP) { |
| if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss)) |
| brcmf_fil_iovar_int_set(ifp, "mbss", 1); |
| |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1); |
| if (err < 0) { |
| brcmf_err("setting AP mode failed %d\n", err); |
| goto exit; |
| } |
| if (!mbss) { |
| /* Firmware 10.x requires setting channel after enabling |
| * AP and before bringing interface up. |
| */ |
| err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); |
| if (err < 0) { |
| brcmf_err("Set Channel failed: chspec=%d, %d\n", |
| chanspec, err); |
| goto exit; |
| } |
| } |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); |
| if (err < 0) { |
| brcmf_err("BRCMF_C_UP error (%d)\n", err); |
| goto exit; |
| } |
| /* On DOWN the firmware removes the WEP keys, reconfigure |
| * them if they were set. |
| */ |
| brcmf_cfg80211_reconfigure_wep(ifp); |
| |
| memset(&join_params, 0, sizeof(join_params)); |
| /* join parameters starts with ssid */ |
| memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); |
| /* create softap */ |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, |
| &join_params, sizeof(join_params)); |
| if (err < 0) { |
| brcmf_err("SET SSID error (%d)\n", err); |
| goto exit; |
| } |
| |
| if (settings->hidden_ssid) { |
| err = brcmf_fil_iovar_int_set(ifp, "closednet", 1); |
| if (err) { |
| brcmf_err("closednet error (%d)\n", err); |
| goto exit; |
| } |
| } |
| |
| brcmf_dbg(TRACE, "AP mode configuration complete\n"); |
| } else if (dev_role == NL80211_IFTYPE_P2P_GO) { |
| err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); |
| if (err < 0) { |
| brcmf_err("Set Channel failed: chspec=%d, %d\n", |
| chanspec, err); |
| goto exit; |
| } |
| err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le, |
| sizeof(ssid_le)); |
| if (err < 0) { |
| brcmf_err("setting ssid failed %d\n", err); |
| goto exit; |
| } |
| bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx); |
| bss_enable.enable = cpu_to_le32(1); |
| err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, |
| sizeof(bss_enable)); |
| if (err < 0) { |
| brcmf_err("bss_enable config failed %d\n", err); |
| goto exit; |
| } |
| |
| brcmf_dbg(TRACE, "GO mode configuration complete\n"); |
| } else { |
| WARN_ON(1); |
| } |
| |
| set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); |
| brcmf_net_setcarrier(ifp, true); |
| |
| exit: |
| if ((err) && (!mbss)) { |
| brcmf_set_mpc(ifp, 1); |
| brcmf_configure_arp_nd_offload(ifp, true); |
| } |
| return err; |
| } |
| |
| static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err; |
| struct brcmf_fil_bss_enable_le bss_enable; |
| struct brcmf_join_params join_params; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) { |
| /* Due to most likely deauths outstanding we sleep */ |
| /* first to make sure they get processed by fw. */ |
| msleep(400); |
| |
| if (ifp->vif->mbss) { |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); |
| return err; |
| } |
| |
| /* First BSS doesn't get a full reset */ |
| if (ifp->bsscfgidx == 0) |
| brcmf_fil_iovar_int_set(ifp, "closednet", 0); |
| |
| memset(&join_params, 0, sizeof(join_params)); |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, |
| &join_params, sizeof(join_params)); |
| if (err < 0) |
| brcmf_err("SET SSID error (%d)\n", err); |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); |
| if (err < 0) |
| brcmf_err("BRCMF_C_DOWN error %d\n", err); |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0); |
| if (err < 0) |
| brcmf_err("setting AP mode failed %d\n", err); |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0); |
| if (err < 0) |
| brcmf_err("setting INFRA mode failed %d\n", err); |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) |
| brcmf_fil_iovar_int_set(ifp, "mbss", 0); |
| brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, |
| ifp->vif->is_11d); |
| /* Bring device back up so it can be used again */ |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); |
| if (err < 0) |
| brcmf_err("BRCMF_C_UP error %d\n", err); |
| } else { |
| bss_enable.bsscfgidx = cpu_to_le32(ifp->bsscfgidx); |
| bss_enable.enable = cpu_to_le32(0); |
| err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, |
| sizeof(bss_enable)); |
| if (err < 0) |
| brcmf_err("bss_enable config failed %d\n", err); |
| } |
| brcmf_set_mpc(ifp, 1); |
| brcmf_configure_arp_nd_offload(ifp, true); |
| clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); |
| brcmf_net_setcarrier(ifp, false); |
| |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_beacon_data *info) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| err = brcmf_config_ap_mgmt_ie(ifp->vif, info); |
| |
| return err; |
| } |
| |
| static int |
| brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, |
| struct station_del_parameters *params) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_scb_val_le scbval; |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err; |
| |
| if (!params->mac) |
| return -EFAULT; |
| |
| brcmf_dbg(TRACE, "Enter %pM\n", params->mac); |
| |
| if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) |
| ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| memcpy(&scbval.ea, params->mac, ETH_ALEN); |
| scbval.val = cpu_to_le32(params->reason_code); |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, |
| &scbval, sizeof(scbval)); |
| if (err) |
| brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static int |
| brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev, |
| const u8 *mac, struct station_parameters *params) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err; |
| |
| brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac, |
| params->sta_flags_mask, params->sta_flags_set); |
| |
| /* Ignore all 00 MAC */ |
| if (is_zero_ether_addr(mac)) |
| return 0; |
| |
| if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) |
| return 0; |
| |
| if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE, |
| (void *)mac, ETH_ALEN); |
| else |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE, |
| (void *)mac, ETH_ALEN); |
| if (err < 0) |
| brcmf_err("Setting SCB (de-)authorize failed, %d\n", err); |
| |
| return err; |
| } |
| |
| static void |
| brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy, |
| struct wireless_dev *wdev, |
| u16 frame_type, bool reg) |
| { |
| struct brcmf_cfg80211_vif *vif; |
| u16 mgmt_type; |
| |
| brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg); |
| |
| mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; |
| vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); |
| if (reg) |
| vif->mgmt_rx_reg |= BIT(mgmt_type); |
| else |
| vif->mgmt_rx_reg &= ~BIT(mgmt_type); |
| } |
| |
| |
| static int |
| brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| struct cfg80211_mgmt_tx_params *params, u64 *cookie) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct ieee80211_channel *chan = params->chan; |
| const u8 *buf = params->buf; |
| size_t len = params->len; |
| const struct ieee80211_mgmt *mgmt; |
| struct brcmf_cfg80211_vif *vif; |
| s32 err = 0; |
| s32 ie_offset; |
| s32 ie_len; |
| struct brcmf_fil_action_frame_le *action_frame; |
| struct brcmf_fil_af_params_le *af_params; |
| bool ack; |
| s32 chan_nr; |
| u32 freq; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| *cookie = 0; |
| |
| mgmt = (const struct ieee80211_mgmt *)buf; |
| |
| if (!ieee80211_is_mgmt(mgmt->frame_control)) { |
| brcmf_err("Driver only allows MGMT packet type\n"); |
| return -EPERM; |
| } |
| |
| vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); |
| |
| if (ieee80211_is_probe_resp(mgmt->frame_control)) { |
| /* Right now the only reason to get a probe response */ |
| /* is for p2p listen response or for p2p GO from */ |
| /* wpa_supplicant. Unfortunately the probe is send */ |
| /* on primary ndev, while dongle wants it on the p2p */ |
| /* vif. Since this is only reason for a probe */ |
| /* response to be sent, the vif is taken from cfg. */ |
| /* If ever desired to send proberesp for non p2p */ |
| /* response then data should be checked for */ |
| /* "DIRECT-". Note in future supplicant will take */ |
| /* dedicated p2p wdev to do this and then this 'hack'*/ |
| /* is not needed anymore. */ |
| ie_offset = DOT11_MGMT_HDR_LEN + |
| DOT11_BCN_PRB_FIXED_LEN; |
| ie_len = len - ie_offset; |
| if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) |
| vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; |
| err = brcmf_vif_set_mgmt_ie(vif, |
| BRCMF_VNDR_IE_PRBRSP_FLAG, |
| &buf[ie_offset], |
| ie_len); |
| cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, |
| GFP_KERNEL); |
| } else if (ieee80211_is_action(mgmt->frame_control)) { |
| af_params = kzalloc(sizeof(*af_params), GFP_KERNEL); |
| if (af_params == NULL) { |
| brcmf_err("unable to allocate frame\n"); |
| err = -ENOMEM; |
| goto exit; |
| } |
| action_frame = &af_params->action_frame; |
| /* Add the packet Id */ |
| action_frame->packet_id = cpu_to_le32(*cookie); |
| /* Add BSSID */ |
| memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN); |
| memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN); |
| /* Add the length exepted for 802.11 header */ |
| action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN); |
| /* Add the channel. Use the one specified as parameter if any or |
| * the current one (got from the firmware) otherwise |
| */ |
| if (chan) |
| freq = chan->center_freq; |
| else |
| brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL, |
| &freq); |
| chan_nr = ieee80211_frequency_to_channel(freq); |
| af_params->channel = cpu_to_le32(chan_nr); |
| |
| memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], |
| le16_to_cpu(action_frame->len)); |
| |
| brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n", |
| *cookie, le16_to_cpu(action_frame->len), freq); |
| |
| ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg), |
| af_params); |
| |
| cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, |
| GFP_KERNEL); |
| kfree(af_params); |
| } else { |
| brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control); |
| brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len); |
| } |
| |
| exit: |
| return err; |
| } |
| |
| |
| static int |
| brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, |
| struct wireless_dev *wdev, |
| u64 cookie) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_cfg80211_vif *vif; |
| int err = 0; |
| |
| brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); |
| |
| vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; |
| if (vif == NULL) { |
| brcmf_err("No p2p device available for probe response\n"); |
| err = -ENODEV; |
| goto exit; |
| } |
| brcmf_p2p_cancel_remain_on_channel(vif->ifp); |
| exit: |
| return err; |
| } |
| |
| static int brcmf_cfg80211_get_channel(struct wiphy *wiphy, |
| struct wireless_dev *wdev, |
| struct cfg80211_chan_def *chandef) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct net_device *ndev = wdev->netdev; |
| struct brcmf_if *ifp; |
| struct brcmu_chan ch; |
| enum nl80211_band band = 0; |
| enum nl80211_chan_width width = 0; |
| u32 chanspec; |
| int freq, err; |
| |
| if (!ndev) |
| return -ENODEV; |
| ifp = netdev_priv(ndev); |
| |
| err = brcmf_fil_iovar_int_get(ifp, "chanspec", &chanspec); |
| if (err) { |
| brcmf_err("chanspec failed (%d)\n", err); |
| return err; |
| } |
| |
| ch.chspec = chanspec; |
| cfg->d11inf.decchspec(&ch); |
| |
| switch (ch.band) { |
| case BRCMU_CHAN_BAND_2G: |
| band = NL80211_BAND_2GHZ; |
| break; |
| case BRCMU_CHAN_BAND_5G: |
| band = NL80211_BAND_5GHZ; |
| break; |
| } |
| |
| switch (ch.bw) { |
| case BRCMU_CHAN_BW_80: |
| width = NL80211_CHAN_WIDTH_80; |
| break; |
| case BRCMU_CHAN_BW_40: |
| width = NL80211_CHAN_WIDTH_40; |
| break; |
| case BRCMU_CHAN_BW_20: |
| width = NL80211_CHAN_WIDTH_20; |
| break; |
| case BRCMU_CHAN_BW_80P80: |
| width = NL80211_CHAN_WIDTH_80P80; |
| break; |
| case BRCMU_CHAN_BW_160: |
| width = NL80211_CHAN_WIDTH_160; |
| break; |
| } |
| |
| freq = ieee80211_channel_to_frequency(ch.control_ch_num, band); |
| chandef->chan = ieee80211_get_channel(wiphy, freq); |
| chandef->width = width; |
| chandef->center_freq1 = ieee80211_channel_to_frequency(ch.chnum, band); |
| chandef->center_freq2 = 0; |
| |
| return 0; |
| } |
| |
| static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy, |
| struct wireless_dev *wdev, |
| enum nl80211_crit_proto_id proto, |
| u16 duration) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_cfg80211_vif *vif; |
| |
| vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); |
| |
| /* only DHCP support for now */ |
| if (proto != NL80211_CRIT_PROTO_DHCP) |
| return -EINVAL; |
| |
| /* suppress and abort scanning */ |
| set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); |
| brcmf_abort_scanning(cfg); |
| |
| return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration); |
| } |
| |
| static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy, |
| struct wireless_dev *wdev) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct brcmf_cfg80211_vif *vif; |
| |
| vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); |
| |
| brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); |
| clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); |
| } |
| |
| static s32 |
| brcmf_notify_tdls_peer_event(struct brcmf_if *ifp, |
| const struct brcmf_event_msg *e, void *data) |
| { |
| switch (e->reason) { |
| case BRCMF_E_REASON_TDLS_PEER_DISCOVERED: |
| brcmf_dbg(TRACE, "TDLS Peer Discovered\n"); |
| break; |
| case BRCMF_E_REASON_TDLS_PEER_CONNECTED: |
| brcmf_dbg(TRACE, "TDLS Peer Connected\n"); |
| brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); |
| break; |
| case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED: |
| brcmf_dbg(TRACE, "TDLS Peer Disconnected\n"); |
| brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper) |
| { |
| int ret; |
| |
| switch (oper) { |
| case NL80211_TDLS_DISCOVERY_REQ: |
| ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY; |
| break; |
| case NL80211_TDLS_SETUP: |
| ret = BRCMF_TDLS_MANUAL_EP_CREATE; |
| break; |
| case NL80211_TDLS_TEARDOWN: |
| ret = BRCMF_TDLS_MANUAL_EP_DELETE; |
| break; |
| default: |
| brcmf_err("unsupported operation: %d\n", oper); |
| ret = -EOPNOTSUPP; |
| } |
| return ret; |
| } |
| |
| static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy, |
| struct net_device *ndev, const u8 *peer, |
| enum nl80211_tdls_operation oper) |
| { |
| struct brcmf_if *ifp; |
| struct brcmf_tdls_iovar_le info; |
| int ret = 0; |
| |
| ret = brcmf_convert_nl80211_tdls_oper(oper); |
| if (ret < 0) |
| return ret; |
| |
| ifp = netdev_priv(ndev); |
| memset(&info, 0, sizeof(info)); |
| info.mode = (u8)ret; |
| if (peer) |
| memcpy(info.ea, peer, ETH_ALEN); |
| |
| ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint", |
| &info, sizeof(info)); |
| if (ret < 0) |
| brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret); |
| |
| return ret; |
| } |
| |
| #ifdef CONFIG_PM |
| static int |
| brcmf_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_gtk_rekey_data *gtk) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_gtk_keyinfo_le gtk_le; |
| int ret; |
| |
| brcmf_dbg(TRACE, "Enter, bssidx=%d\n", ifp->bsscfgidx); |
| |
| memcpy(gtk_le.kck, gtk->kck, sizeof(gtk_le.kck)); |
| memcpy(gtk_le.kek, gtk->kek, sizeof(gtk_le.kek)); |
| memcpy(gtk_le.replay_counter, gtk->replay_ctr, |
| sizeof(gtk_le.replay_counter)); |
| |
| ret = brcmf_fil_iovar_data_set(ifp, "gtk_key_info", >k_le, |
| sizeof(gtk_le)); |
| if (ret < 0) |
| brcmf_err("gtk_key_info iovar failed: ret=%d\n", ret); |
| |
| return ret; |
| } |
| #endif |
| |
| static struct cfg80211_ops brcmf_cfg80211_ops = { |
| .add_virtual_intf = brcmf_cfg80211_add_iface, |
| .del_virtual_intf = brcmf_cfg80211_del_iface, |
| .change_virtual_intf = brcmf_cfg80211_change_iface, |
| .scan = brcmf_cfg80211_scan, |
| .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, |
| .join_ibss = brcmf_cfg80211_join_ibss, |
| .leave_ibss = brcmf_cfg80211_leave_ibss, |
| .get_station = brcmf_cfg80211_get_station, |
| .dump_station = brcmf_cfg80211_dump_station, |
| .set_tx_power = brcmf_cfg80211_set_tx_power, |
| .get_tx_power = brcmf_cfg80211_get_tx_power, |
| .add_key = brcmf_cfg80211_add_key, |
| .del_key = brcmf_cfg80211_del_key, |
| .get_key = brcmf_cfg80211_get_key, |
| .set_default_key = brcmf_cfg80211_config_default_key, |
| .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, |
| .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, |
| .connect = brcmf_cfg80211_connect, |
| .disconnect = brcmf_cfg80211_disconnect, |
| .suspend = brcmf_cfg80211_suspend, |
| .resume = brcmf_cfg80211_resume, |
| .set_pmksa = brcmf_cfg80211_set_pmksa, |
| .del_pmksa = brcmf_cfg80211_del_pmksa, |
| .flush_pmksa = brcmf_cfg80211_flush_pmksa, |
| .start_ap = brcmf_cfg80211_start_ap, |
| .stop_ap = brcmf_cfg80211_stop_ap, |
| .change_beacon = brcmf_cfg80211_change_beacon, |
| .del_station = brcmf_cfg80211_del_station, |
| .change_station = brcmf_cfg80211_change_station, |
| .sched_scan_start = brcmf_cfg80211_sched_scan_start, |
| .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, |
| .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register, |
| .mgmt_tx = brcmf_cfg80211_mgmt_tx, |
| .remain_on_channel = brcmf_p2p_remain_on_channel, |
| .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, |
| .get_channel = brcmf_cfg80211_get_channel, |
| .start_p2p_device = brcmf_p2p_start_device, |
| .stop_p2p_device = brcmf_p2p_stop_device, |
| .crit_proto_start = brcmf_cfg80211_crit_proto_start, |
| .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, |
| .tdls_oper = brcmf_cfg80211_tdls_oper, |
| }; |
| |
| struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, |
| enum nl80211_iftype type) |
| { |
| struct brcmf_cfg80211_vif *vif_walk; |
| struct brcmf_cfg80211_vif *vif; |
| bool mbss; |
| |
| brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n", |
| sizeof(*vif)); |
| vif = kzalloc(sizeof(*vif), GFP_KERNEL); |
| if (!vif) |
| return ERR_PTR(-ENOMEM); |
| |
| vif->wdev.wiphy = cfg->wiphy; |
| vif->wdev.iftype = type; |
| |
| brcmf_init_prof(&vif->profile); |
| |
| if (type == NL80211_IFTYPE_AP) { |
| mbss = false; |
| list_for_each_entry(vif_walk, &cfg->vif_list, list) { |
| if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) { |
| mbss = true; |
| break; |
| } |
| } |
| vif->mbss = mbss; |
| } |
| |
| list_add_tail(&vif->list, &cfg->vif_list); |
| return vif; |
| } |
| |
| void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) |
| { |
| list_del(&vif->list); |
| kfree(vif); |
| } |
| |
| void brcmf_cfg80211_free_netdev(struct net_device *ndev) |
| { |
| struct brcmf_cfg80211_vif *vif; |
| struct brcmf_if *ifp; |
| |
| ifp = netdev_priv(ndev); |
| vif = ifp->vif; |
| |
| if (vif) |
| brcmf_free_vif(vif); |
| free_netdev(ndev); |
| } |
| |
| static bool brcmf_is_linkup(const struct brcmf_event_msg *e) |
| { |
| u32 event = e->event_code; |
| u32 status = e->status; |
| |
| if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { |
| brcmf_dbg(CONN, "Processing set ssid\n"); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| static bool brcmf_is_linkdown(const struct brcmf_event_msg *e) |
| { |
| u32 event = e->event_code; |
| u16 flags = e->flags; |
| |
| if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) || |
| (event == BRCMF_E_DISASSOC_IND) || |
| ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) { |
| brcmf_dbg(CONN, "Processing link down\n"); |
| return true; |
| } |
| return false; |
| } |
| |
| static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, |
| const struct brcmf_event_msg *e) |
| { |
| u32 event = e->event_code; |
| u32 status = e->status; |
| |
| if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { |
| brcmf_dbg(CONN, "Processing Link %s & no network found\n", |
| e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down"); |
| return true; |
| } |
| |
| if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { |
| brcmf_dbg(CONN, "Processing connecting & no network found\n"); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) |
| { |
| struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
| |
| kfree(conn_info->req_ie); |
| conn_info->req_ie = NULL; |
| conn_info->req_ie_len = 0; |
| kfree(conn_info->resp_ie); |
| conn_info->resp_ie = NULL; |
| conn_info->resp_ie_len = 0; |
| } |
| |
| static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_if *ifp) |
| { |
| struct brcmf_cfg80211_assoc_ielen_le *assoc_info; |
| struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
| u32 req_len; |
| u32 resp_len; |
| s32 err = 0; |
| |
| brcmf_clear_assoc_ies(cfg); |
| |
| err = brcmf_fil_iovar_data_get(ifp, "assoc_info", |
| cfg->extra_buf, WL_ASSOC_INFO_MAX); |
| if (err) { |
| brcmf_err("could not get assoc info (%d)\n", err); |
| return err; |
| } |
| assoc_info = |
| (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; |
| req_len = le32_to_cpu(assoc_info->req_len); |
| resp_len = le32_to_cpu(assoc_info->resp_len); |
| if (req_len) { |
| err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies", |
| cfg->extra_buf, |
| WL_ASSOC_INFO_MAX); |
| if (err) { |
| brcmf_err("could not get assoc req (%d)\n", err); |
| return err; |
| } |
| conn_info->req_ie_len = req_len; |
| conn_info->req_ie = |
| kmemdup(cfg->extra_buf, conn_info->req_ie_len, |
| GFP_KERNEL); |
| } else { |
| conn_info->req_ie_len = 0; |
| conn_info->req_ie = NULL; |
| } |
| if (resp_len) { |
| err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies", |
| cfg->extra_buf, |
| WL_ASSOC_INFO_MAX); |
| if (err) { |
| brcmf_err("could not get assoc resp (%d)\n", err); |
| return err; |
| } |
| conn_info->resp_ie_len = resp_len; |
| conn_info->resp_ie = |
| kmemdup(cfg->extra_buf, conn_info->resp_ie_len, |
| GFP_KERNEL); |
| } else { |
| conn_info->resp_ie_len = 0; |
| conn_info->resp_ie = NULL; |
| } |
| brcmf_dbg(CONN, "req len (%d) resp len (%d)\n", |
| conn_info->req_ie_len, conn_info->resp_ie_len); |
| |
| return err; |
| } |
| |
| static s32 |
| brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, |
| struct net_device *ndev, |
| const struct brcmf_event_msg *e) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
| struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
| struct wiphy *wiphy = cfg_to_wiphy(cfg); |
| struct ieee80211_channel *notify_channel = NULL; |
| struct ieee80211_supported_band *band; |
| struct brcmf_bss_info_le *bi; |
| struct brcmu_chan ch; |
| u32 freq; |
| s32 err = 0; |
| u8 *buf; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| brcmf_get_assoc_ies(cfg, ifp); |
| memcpy(profile->bssid, e->addr, ETH_ALEN); |
| brcmf_update_bss_info(cfg, ifp); |
| |
| buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| if (buf == NULL) { |
| err = -ENOMEM; |
| goto done; |
| } |
| |
| /* data sent to dongle has to be little endian */ |
| *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, |
| buf, WL_BSS_INFO_MAX); |
| |
| if (err) |
| goto done; |
| |
| bi = (struct brcmf_bss_info_le *)(buf + 4); |
| ch.chspec = le16_to_cpu(bi->chanspec); |
| cfg->d11inf.decchspec(&ch); |
| |
| if (ch.band == BRCMU_CHAN_BAND_2G) |
| band = wiphy->bands[NL80211_BAND_2GHZ]; |
| else |
| band = wiphy->bands[NL80211_BAND_5GHZ]; |
| |
| freq = ieee80211_channel_to_frequency(ch.control_ch_num, band->band); |
| notify_channel = ieee80211_get_channel(wiphy, freq); |
| |
| done: |
| kfree(buf); |
| cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid, |
| conn_info->req_ie, conn_info->req_ie_len, |
| conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); |
| brcmf_dbg(CONN, "Report roaming result\n"); |
| |
| set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, |
| struct net_device *ndev, const struct brcmf_event_msg *e, |
| bool completed) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
| struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING, |
| &ifp->vif->sme_state)) { |
| if (completed) { |
| brcmf_get_assoc_ies(cfg, ifp); |
| memcpy(profile->bssid, e->addr, ETH_ALEN); |
| brcmf_update_bss_info(cfg, ifp); |
| set_bit(BRCMF_VIF_STATUS_CONNECTED, |
| &ifp->vif->sme_state); |
| } |
| cfg80211_connect_result(ndev, |
| (u8 *)profile->bssid, |
| conn_info->req_ie, |
| conn_info->req_ie_len, |
| conn_info->resp_ie, |
| conn_info->resp_ie_len, |
| completed ? WLAN_STATUS_SUCCESS : |
| WLAN_STATUS_AUTH_TIMEOUT, |
| GFP_KERNEL); |
| brcmf_dbg(CONN, "Report connect result - connection %s\n", |
| completed ? "succeeded" : "failed"); |
| } |
| brcmf_dbg(TRACE, "Exit\n"); |
| return 0; |
| } |
| |
| static s32 |
| brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, |
| struct net_device *ndev, |
| const struct brcmf_event_msg *e, void *data) |
| { |
| static int generation; |
| u32 event = e->event_code; |
| u32 reason = e->reason; |
| struct station_info sinfo; |
| |
| brcmf_dbg(CONN, "event %d, reason %d\n", event, reason); |
| if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS && |
| ndev != cfg_to_ndev(cfg)) { |
| brcmf_dbg(CONN, "AP mode link down\n"); |
| complete(&cfg->vif_disabled); |
| return 0; |
| } |
| |
| if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && |
| (reason == BRCMF_E_STATUS_SUCCESS)) { |
| memset(&sinfo, 0, sizeof(sinfo)); |
| if (!data) { |
| brcmf_err("No IEs present in ASSOC/REASSOC_IND"); |
| return -EINVAL; |
| } |
| sinfo.assoc_req_ies = data; |
| sinfo.assoc_req_ies_len = e->datalen; |
| generation++; |
| sinfo.generation = generation; |
| cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL); |
| } else if ((event == BRCMF_E_DISASSOC_IND) || |
| (event == BRCMF_E_DEAUTH_IND) || |
| (event == BRCMF_E_DEAUTH)) { |
| cfg80211_del_sta(ndev, e->addr, GFP_KERNEL); |
| } |
| return 0; |
| } |
| |
| static s32 |
| brcmf_notify_connect_status(struct brcmf_if *ifp, |
| const struct brcmf_event_msg *e, void *data) |
| { |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| struct net_device *ndev = ifp->ndev; |
| struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
| struct ieee80211_channel *chan; |
| s32 err = 0; |
| |
| if ((e->event_code == BRCMF_E_DEAUTH) || |
| (e->event_code == BRCMF_E_DEAUTH_IND) || |
| (e->event_code == BRCMF_E_DISASSOC_IND) || |
| ((e->event_code == BRCMF_E_LINK) && (!e->flags))) { |
| brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); |
| } |
| |
| if (brcmf_is_apmode(ifp->vif)) { |
| err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); |
| } else if (brcmf_is_linkup(e)) { |
| brcmf_dbg(CONN, "Linkup\n"); |
| if (brcmf_is_ibssmode(ifp->vif)) { |
| brcmf_inform_ibss(cfg, ndev, e->addr); |
| chan = ieee80211_get_channel(cfg->wiphy, cfg->channel); |
| memcpy(profile->bssid, e->addr, ETH_ALEN); |
| cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL); |
| clear_bit(BRCMF_VIF_STATUS_CONNECTING, |
| &ifp->vif->sme_state); |
| set_bit(BRCMF_VIF_STATUS_CONNECTED, |
| &ifp->vif->sme_state); |
| } else |
| brcmf_bss_connect_done(cfg, ndev, e, true); |
| brcmf_net_setcarrier(ifp, true); |
| } else if (brcmf_is_linkdown(e)) { |
| brcmf_dbg(CONN, "Linkdown\n"); |
| if (!brcmf_is_ibssmode(ifp->vif)) { |
| brcmf_bss_connect_done(cfg, ndev, e, false); |
| brcmf_link_down(ifp->vif, |
| brcmf_map_fw_linkdown_reason(e)); |
| brcmf_init_prof(ndev_to_prof(ndev)); |
| if (ndev != cfg_to_ndev(cfg)) |
| complete(&cfg->vif_disabled); |
| brcmf_net_setcarrier(ifp, false); |
| } |
| } else if (brcmf_is_nonetwork(cfg, e)) { |
| if (brcmf_is_ibssmode(ifp->vif)) |
| clear_bit(BRCMF_VIF_STATUS_CONNECTING, |
| &ifp->vif->sme_state); |
| else |
| brcmf_bss_connect_done(cfg, ndev, e, false); |
| } |
| |
| return err; |
| } |
| |
| static s32 |
| brcmf_notify_roaming_status(struct brcmf_if *ifp, |
| const struct brcmf_event_msg *e, void *data) |
| { |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| u32 event = e->event_code; |
| u32 status = e->status; |
| |
| if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { |
| if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) |
| brcmf_bss_roaming_done(cfg, ifp->ndev, e); |
| else |
| brcmf_bss_connect_done(cfg, ifp->ndev, e, true); |
| } |
| |
| return 0; |
| } |
| |
| static s32 |
| brcmf_notify_mic_status(struct brcmf_if *ifp, |
| const struct brcmf_event_msg *e, void *data) |
| { |
| u16 flags = e->flags; |
| enum nl80211_key_type key_type; |
| |
| if (flags & BRCMF_EVENT_MSG_GROUP) |
| key_type = NL80211_KEYTYPE_GROUP; |
| else |
| key_type = NL80211_KEYTYPE_PAIRWISE; |
| |
| cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1, |
| NULL, GFP_KERNEL); |
| |
| return 0; |
| } |
| |
| static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, |
| const struct brcmf_event_msg *e, void *data) |
| { |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data; |
| struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; |
| struct brcmf_cfg80211_vif *vif; |
| |
| brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfgidx %u\n", |
| ifevent->action, ifevent->flags, ifevent->ifidx, |
| ifevent->bsscfgidx); |
| |
| spin_lock(&event->vif_event_lock); |
| event->action = ifevent->action; |
| vif = event->vif; |
| |
| switch (ifevent->action) { |
| case BRCMF_E_IF_ADD: |
| /* waiting process may have timed out */ |
| if (!cfg->vif_event.vif) { |
| spin_unlock(&event->vif_event_lock); |
| return -EBADF; |
| } |
| |
| ifp->vif = vif; |
| vif->ifp = ifp; |
| if (ifp->ndev) { |
| vif->wdev.netdev = ifp->ndev; |
| ifp->ndev->ieee80211_ptr = &vif->wdev; |
| SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); |
| } |
| spin_unlock(&event->vif_event_lock); |
| wake_up(&event->vif_wq); |
| return 0; |
| |
| case BRCMF_E_IF_DEL: |
| spin_unlock(&event->vif_event_lock); |
| /* event may not be upon user request */ |
| if (brcmf_cfg80211_vif_event_armed(cfg)) |
| wake_up(&event->vif_wq); |
| return 0; |
| |
| case BRCMF_E_IF_CHANGE: |
| spin_unlock(&event->vif_event_lock); |
| wake_up(&event->vif_wq); |
| return 0; |
| |
| default: |
| spin_unlock(&event->vif_event_lock); |
| break; |
| } |
| return -EINVAL; |
| } |
| |
| static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) |
| { |
| conf->frag_threshold = (u32)-1; |
| conf->rts_threshold = (u32)-1; |
| conf->retry_short = (u32)-1; |
| conf->retry_long = (u32)-1; |
| } |
| |
| static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) |
| { |
| brcmf_fweh_register(cfg->pub, BRCMF_E_LINK, |
| brcmf_notify_connect_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND, |
| brcmf_notify_connect_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH, |
| brcmf_notify_connect_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND, |
| brcmf_notify_connect_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND, |
| brcmf_notify_connect_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND, |
| brcmf_notify_connect_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM, |
| brcmf_notify_roaming_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR, |
| brcmf_notify_mic_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID, |
| brcmf_notify_connect_status); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, |
| brcmf_notify_sched_scan_results); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_IF, |
| brcmf_notify_vif_event); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG, |
| brcmf_p2p_notify_rx_mgmt_p2p_probereq); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, |
| brcmf_p2p_notify_listen_complete); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX, |
| brcmf_p2p_notify_action_frame_rx); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE, |
| brcmf_p2p_notify_action_tx_complete); |
| brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE, |
| brcmf_p2p_notify_action_tx_complete); |
| } |
| |
| static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) |
| { |
| kfree(cfg->conf); |
| cfg->conf = NULL; |
| kfree(cfg->extra_buf); |
| cfg->extra_buf = NULL; |
| kfree(cfg->wowl.nd); |
| cfg->wowl.nd = NULL; |
| kfree(cfg->wowl.nd_info); |
| cfg->wowl.nd_info = NULL; |
| kfree(cfg->escan_info.escan_buf); |
| cfg->escan_info.escan_buf = NULL; |
| } |
| |
| static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) |
| { |
| cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); |
| if (!cfg->conf) |
| goto init_priv_mem_out; |
| cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); |
| if (!cfg->extra_buf) |
| goto init_priv_mem_out; |
| cfg->wowl.nd = kzalloc(sizeof(*cfg->wowl.nd) + sizeof(u32), GFP_KERNEL); |
| if (!cfg->wowl.nd) |
| goto init_priv_mem_out; |
| cfg->wowl.nd_info = kzalloc(sizeof(*cfg->wowl.nd_info) + |
| sizeof(struct cfg80211_wowlan_nd_match *), |
| GFP_KERNEL); |
| if (!cfg->wowl.nd_info) |
| goto init_priv_mem_out; |
| cfg->escan_info.escan_buf = kzalloc(BRCMF_ESCAN_BUF_SIZE, GFP_KERNEL); |
| if (!cfg->escan_info.escan_buf) |
| goto init_priv_mem_out; |
| |
| return 0; |
| |
| init_priv_mem_out: |
| brcmf_deinit_priv_mem(cfg); |
| |
| return -ENOMEM; |
| } |
| |
| static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) |
| { |
| s32 err = 0; |
| |
| cfg->scan_request = NULL; |
| cfg->pwr_save = true; |
| cfg->active_scan = true; /* we do active scan per default */ |
| cfg->dongle_up = false; /* dongle is not up yet */ |
| err = brcmf_init_priv_mem(cfg); |
| if (err) |
| return err; |
| brcmf_register_event_handlers(cfg); |
| mutex_init(&cfg->usr_sync); |
| brcmf_init_escan(cfg); |
| brcmf_init_conf(cfg->conf); |
| init_completion(&cfg->vif_disabled); |
| return err; |
| } |
| |
| static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) |
| { |
| cfg->dongle_up = false; /* dongle down */ |
| brcmf_abort_scanning(cfg); |
| brcmf_deinit_priv_mem(cfg); |
| } |
| |
| static void init_vif_event(struct brcmf_cfg80211_vif_event *event) |
| { |
| init_waitqueue_head(&event->vif_wq); |
| spin_lock_init(&event->vif_event_lock); |
| } |
| |
| static s32 brcmf_dongle_roam(struct brcmf_if *ifp) |
| { |
| s32 err; |
| u32 bcn_timeout; |
| __le32 roamtrigger[2]; |
| __le32 roam_delta[2]; |
| |
| /* Configure beacon timeout value based upon roaming setting */ |
| if (ifp->drvr->settings->roamoff) |
| bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_OFF; |
| else |
| bcn_timeout = BRCMF_DEFAULT_BCN_TIMEOUT_ROAM_ON; |
| err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); |
| if (err) { |
| brcmf_err("bcn_timeout error (%d)\n", err); |
| goto roam_setup_done; |
| } |
| |
| /* Enable/Disable built-in roaming to allow supplicant to take care of |
| * roaming. |
| */ |
| brcmf_dbg(INFO, "Internal Roaming = %s\n", |
| ifp->drvr->settings->roamoff ? "Off" : "On"); |
| err = brcmf_fil_iovar_int_set(ifp, "roam_off", |
| ifp->drvr->settings->roamoff); |
| if (err) { |
| brcmf_err("roam_off error (%d)\n", err); |
| goto roam_setup_done; |
| } |
| |
| roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); |
| roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER, |
| (void *)roamtrigger, sizeof(roamtrigger)); |
| if (err) { |
| brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err); |
| goto roam_setup_done; |
| } |
| |
| roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); |
| roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA, |
| (void *)roam_delta, sizeof(roam_delta)); |
| if (err) { |
| brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err); |
| goto roam_setup_done; |
| } |
| |
| roam_setup_done: |
| return err; |
| } |
| |
| static s32 |
| brcmf_dongle_scantime(struct brcmf_if *ifp) |
| { |
| s32 err = 0; |
| |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, |
| BRCMF_SCAN_CHANNEL_TIME); |
| if (err) { |
| brcmf_err("Scan assoc time error (%d)\n", err); |
| goto dongle_scantime_out; |
| } |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, |
| BRCMF_SCAN_UNASSOC_TIME); |
| if (err) { |
| brcmf_err("Scan unassoc time error (%d)\n", err); |
| goto dongle_scantime_out; |
| } |
| |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME, |
| BRCMF_SCAN_PASSIVE_TIME); |
| if (err) { |
| brcmf_err("Scan passive time error (%d)\n", err); |
| goto dongle_scantime_out; |
| } |
| |
| dongle_scantime_out: |
| return err; |
| } |
| |
| static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel, |
| struct brcmu_chan *ch) |
| { |
| u32 ht40_flag; |
| |
| ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40; |
| if (ch->sb == BRCMU_CHAN_SB_U) { |
| if (ht40_flag == IEEE80211_CHAN_NO_HT40) |
| channel->flags &= ~IEEE80211_CHAN_NO_HT40; |
| channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; |
| } else { |
| /* It should be one of |
| * IEEE80211_CHAN_NO_HT40 or |
| * IEEE80211_CHAN_NO_HT40PLUS |
| */ |
| channel->flags &= ~IEEE80211_CHAN_NO_HT40; |
| if (ht40_flag == IEEE80211_CHAN_NO_HT40) |
| channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; |
| } |
| } |
| |
| static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, |
| u32 bw_cap[]) |
| { |
| struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
| struct ieee80211_supported_band *band; |
| struct ieee80211_channel *channel; |
| struct wiphy *wiphy; |
| struct brcmf_chanspec_list *list; |
| struct brcmu_chan ch; |
| int err; |
| u8 *pbuf; |
| u32 i, j; |
| u32 total; |
| u32 chaninfo; |
| |
| pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); |
| |
| if (pbuf == NULL) |
| return -ENOMEM; |
| |
| list = (struct brcmf_chanspec_list *)pbuf; |
| |
| err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, |
| BRCMF_DCMD_MEDLEN); |
| if (err) { |
| brcmf_err("get chanspecs error (%d)\n", err); |
| goto fail_pbuf; |
| } |
| |
| wiphy = cfg_to_wiphy(cfg); |
| band = wiphy->bands[NL80211_BAND_2GHZ]; |
| if (band) |
| for (i = 0; i < band->n_channels; i++) |
| band->channels[i].flags = IEEE80211_CHAN_DISABLED; |
| band = wiphy->bands[NL80211_BAND_5GHZ]; |
| if (band) |
| for (i = 0; i < band->n_channels; i++) |
| band->channels[i].flags = IEEE80211_CHAN_DISABLED; |
| |
| total = le32_to_cpu(list->count); |
| for (i = 0; i < total; i++) { |
| ch.chspec = (u16)le32_to_cpu(list->element[i]); |
| cfg->d11inf.decchspec(&ch); |
| |
| if (ch.band == BRCMU_CHAN_BAND_2G) { |
| band = wiphy->bands[NL80211_BAND_2GHZ]; |
| } else if (ch.band == BRCMU_CHAN_BAND_5G) { |
| band = wiphy->bands[NL80211_BAND_5GHZ]; |
| } else { |
| brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec); |
| continue; |
| } |
| if (!band) |
| continue; |
| if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) && |
| ch.bw == BRCMU_CHAN_BW_40) |
| continue; |
| if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) && |
| ch.bw == BRCMU_CHAN_BW_80) |
| continue; |
| |
| channel = NULL; |
| for (j = 0; j < band->n_channels; j++) { |
| if (band->channels[j].hw_value == ch.control_ch_num) { |
| channel = &band->channels[j]; |
| break; |
| } |
| } |
| if (!channel) { |
| /* It seems firmware supports some channel we never |
| * considered. Something new in IEEE standard? |
| */ |
| brcmf_err("Ignoring unexpected firmware channel %d\n", |
| ch.control_ch_num); |
| continue; |
| } |
| |
| /* assuming the chanspecs order is HT20, |
| * HT40 upper, HT40 lower, and VHT80. |
| */ |
| if (ch.bw == BRCMU_CHAN_BW_80) { |
| channel->flags &= ~IEEE80211_CHAN_NO_80MHZ; |
| } else if (ch.bw == BRCMU_CHAN_BW_40) { |
| brcmf_update_bw40_channel_flag(channel, &ch); |
| } else { |
| /* enable the channel and disable other bandwidths |
| * for now as mentioned order assure they are enabled |
| * for subsequent chanspecs. |
| */ |
| channel->flags = IEEE80211_CHAN_NO_HT40 | |
| IEEE80211_CHAN_NO_80MHZ; |
| ch.bw = BRCMU_CHAN_BW_20; |
| cfg->d11inf.encchspec(&ch); |
| chaninfo = ch.chspec; |
| err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info", |
| &chaninfo); |
| if (!err) { |
| if (chaninfo & WL_CHAN_RADAR) |
| channel->flags |= |
| (IEEE80211_CHAN_RADAR | |
| IEEE80211_CHAN_NO_IR); |
| if (chaninfo & WL_CHAN_PASSIVE) |
| channel->flags |= |
| IEEE80211_CHAN_NO_IR; |
| } |
| } |
| } |
| |
| fail_pbuf: |
| kfree(pbuf); |
| return err; |
| } |
| |
| static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg) |
| { |
| struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
| struct ieee80211_supported_band *band; |
| struct brcmf_fil_bwcap_le band_bwcap; |
| struct brcmf_chanspec_list *list; |
| u8 *pbuf; |
| u32 val; |
| int err; |
| struct brcmu_chan ch; |
| u32 num_chan; |
| int i, j; |
| |
| /* verify support for bw_cap command */ |
| val = WLC_BAND_5G; |
| err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); |
| |
| if (!err) { |
| /* only set 2G bandwidth using bw_cap command */ |
| band_bwcap.band = cpu_to_le32(WLC_BAND_2G); |
| band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); |
| err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, |
| sizeof(band_bwcap)); |
| } else { |
| brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); |
| val = WLC_N_BW_40ALL; |
| err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); |
| } |
| |
| if (!err) { |
| /* update channel info in 2G band */ |
| pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); |
| |
| if (pbuf == NULL) |
| return -ENOMEM; |
| |
| ch.band = BRCMU_CHAN_BAND_2G; |
| ch.bw = BRCMU_CHAN_BW_40; |
| ch.sb = BRCMU_CHAN_SB_NONE; |
| ch.chnum = 0; |
| cfg->d11inf.encchspec(&ch); |
| |
| /* pass encoded chanspec in query */ |
| *(__le16 *)pbuf = cpu_to_le16(ch.chspec); |
| |
| err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, |
| BRCMF_DCMD_MEDLEN); |
| if (err) { |
| brcmf_err("get chanspecs error (%d)\n", err); |
| kfree(pbuf); |
| return err; |
| } |
| |
| band = cfg_to_wiphy(cfg)->bands[NL80211_BAND_2GHZ]; |
| list = (struct brcmf_chanspec_list *)pbuf; |
| num_chan = le32_to_cpu(list->count); |
| for (i = 0; i < num_chan; i++) { |
| ch.chspec = (u16)le32_to_cpu(list->element[i]); |
| cfg->d11inf.decchspec(&ch); |
| if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G)) |
| continue; |
| if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40)) |
| continue; |
| for (j = 0; j < band->n_channels; j++) { |
| if (band->channels[j].hw_value == ch.control_ch_num) |
| break; |
| } |
| if (WARN_ON(j == band->n_channels)) |
| continue; |
| |
| brcmf_update_bw40_channel_flag(&band->channels[j], &ch); |
| } |
| kfree(pbuf); |
| } |
| return err; |
| } |
| |
| static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[]) |
| { |
| u32 band, mimo_bwcap; |
| int err; |
| |
| band = WLC_BAND_2G; |
| err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); |
| if (!err) { |
| bw_cap[NL80211_BAND_2GHZ] = band; |
| band = WLC_BAND_5G; |
| err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); |
| if (!err) { |
| bw_cap[NL80211_BAND_5GHZ] = band; |
| return; |
| } |
| WARN_ON(1); |
| return; |
| } |
| brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n"); |
| mimo_bwcap = 0; |
| err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap); |
| if (err) |
| /* assume 20MHz if firmware does not give a clue */ |
| mimo_bwcap = WLC_N_BW_20ALL; |
| |
| switch (mimo_bwcap) { |
| case WLC_N_BW_40ALL: |
| bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT; |
| /* fall-thru */ |
| case WLC_N_BW_20IN2G_40IN5G: |
| bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT; |
| /* fall-thru */ |
| case WLC_N_BW_20ALL: |
| bw_cap[NL80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT; |
| bw_cap[NL80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT; |
| break; |
| default: |
| brcmf_err("invalid mimo_bw_cap value\n"); |
| } |
| } |
| |
| static void brcmf_update_ht_cap(struct ieee80211_supported_band *band, |
| u32 bw_cap[2], u32 nchain) |
| { |
| band->ht_cap.ht_supported = true; |
| if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) { |
| band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; |
| band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| } |
| band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; |
| band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; |
| band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
| band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; |
| memset(band->ht_cap.mcs.rx_mask, 0xff, nchain); |
| band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
| } |
| |
| static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp) |
| { |
| u16 mcs_map; |
| int i; |
| |
| for (i = 0, mcs_map = 0xFFFF; i < nchain; i++) |
| mcs_map = (mcs_map << 2) | supp; |
| |
| return cpu_to_le16(mcs_map); |
| } |
| |
| static void brcmf_update_vht_cap(struct ieee80211_supported_band *band, |
| u32 bw_cap[2], u32 nchain, u32 txstreams, |
| u32 txbf_bfe_cap, u32 txbf_bfr_cap) |
| { |
| __le16 mcs_map; |
| |
| /* not allowed in 2.4G band */ |
| if (band->band == NL80211_BAND_2GHZ) |
| return; |
| |
| band->vht_cap.vht_supported = true; |
| /* 80MHz is mandatory */ |
| band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; |
| if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) { |
| band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; |
| band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; |
| } |
| /* all support 256-QAM */ |
| mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9); |
| band->vht_cap.vht_mcs.rx_mcs_map = mcs_map; |
| band->vht_cap.vht_mcs.tx_mcs_map = mcs_map; |
| |
| /* Beamforming support information */ |
| if (txbf_bfe_cap & BRCMF_TXBF_SU_BFE_CAP) |
| band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; |
| if (txbf_bfe_cap & BRCMF_TXBF_MU_BFE_CAP) |
| band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE; |
| if (txbf_bfr_cap & BRCMF_TXBF_SU_BFR_CAP) |
| band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; |
| if (txbf_bfr_cap & BRCMF_TXBF_MU_BFR_CAP) |
| band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE; |
| |
| if ((txbf_bfe_cap || txbf_bfr_cap) && (txstreams > 1)) { |
| band->vht_cap.cap |= |
| (2 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); |
| band->vht_cap.cap |= ((txstreams - 1) << |
| IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT); |
| band->vht_cap.cap |= |
| IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB; |
| } |
| } |
| |
| static int brcmf_setup_wiphybands(struct wiphy *wiphy) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
| struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
| u32 nmode = 0; |
| u32 vhtmode = 0; |
| u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT }; |
| u32 rxchain; |
| u32 nchain; |
| int err; |
| s32 i; |
| struct ieee80211_supported_band *band; |
| u32 txstreams = 0; |
| u32 txbf_bfe_cap = 0; |
| u32 txbf_bfr_cap = 0; |
| |
| (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode); |
| err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode); |
| if (err) { |
| brcmf_err("nmode error (%d)\n", err); |
| } else { |
| brcmf_get_bwcap(ifp, bw_cap); |
| } |
| brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n", |
| nmode, vhtmode, bw_cap[NL80211_BAND_2GHZ], |
| bw_cap[NL80211_BAND_5GHZ]); |
| |
| err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain); |
| if (err) { |
| brcmf_err("rxchain error (%d)\n", err); |
| nchain = 1; |
| } else { |
| for (nchain = 0; rxchain; nchain++) |
| rxchain = rxchain & (rxchain - 1); |
| } |
| brcmf_dbg(INFO, "nchain=%d\n", nchain); |
| |
| err = brcmf_construct_chaninfo(cfg, bw_cap); |
| if (err) { |
| brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err); |
| return err; |
| } |
| |
| if (vhtmode) { |
| (void)brcmf_fil_iovar_int_get(ifp, "txstreams", &txstreams); |
| (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfe_cap", |
| &txbf_bfe_cap); |
| (void)brcmf_fil_iovar_int_get(ifp, "txbf_bfr_cap", |
| &txbf_bfr_cap); |
| } |
| |
| wiphy = cfg_to_wiphy(cfg); |
| for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) { |
| band = wiphy->bands[i]; |
| if (band == NULL) |
| continue; |
| |
| if (nmode) |
| brcmf_update_ht_cap(band, bw_cap, nchain); |
| if (vhtmode) |
| brcmf_update_vht_cap(band, bw_cap, nchain, txstreams, |
| txbf_bfe_cap, txbf_bfr_cap); |
| } |
| |
| return 0; |
| } |
| |
| static const struct ieee80211_txrx_stypes |
| brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { |
| [NL80211_IFTYPE_STATION] = { |
| .tx = 0xffff, |
| .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
| }, |
| [NL80211_IFTYPE_P2P_CLIENT] = { |
| .tx = 0xffff, |
| .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
| }, |
| [NL80211_IFTYPE_P2P_GO] = { |
| .tx = 0xffff, |
| .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | |
| BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | |
| BIT(IEEE80211_STYPE_DISASSOC >> 4) | |
| BIT(IEEE80211_STYPE_AUTH >> 4) | |
| BIT(IEEE80211_STYPE_DEAUTH >> 4) | |
| BIT(IEEE80211_STYPE_ACTION >> 4) |
| }, |
| [NL80211_IFTYPE_P2P_DEVICE] = { |
| .tx = 0xffff, |
| .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | |
| BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
| } |
| }; |
| |
| /** |
| * brcmf_setup_ifmodes() - determine interface modes and combinations. |
| * |
| * @wiphy: wiphy object. |
| * @ifp: interface object needed for feat module api. |
| * |
| * The interface modes and combinations are determined dynamically here |
| * based on firmware functionality. |
| * |
| * no p2p and no mbss: |
| * |
| * #STA <= 1, #AP <= 1, channels = 1, 2 total |
| * |
| * no p2p and mbss: |
| * |
| * #STA <= 1, #AP <= 1, channels = 1, 2 total |
| * #AP <= 4, matching BI, channels = 1, 4 total |
| * |
| * p2p, no mchan, and mbss: |
| * |
| * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total |
| * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total |
| * #AP <= 4, matching BI, channels = 1, 4 total |
| * |
| * p2p, mchan, and mbss: |
| * |
| * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total |
| * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total |
| * #AP <= 4, matching BI, channels = 1, 4 total |
| */ |
| static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) |
| { |
| struct ieee80211_iface_combination *combo = NULL; |
| struct ieee80211_iface_limit *c0_limits = NULL; |
| struct ieee80211_iface_limit *p2p_limits = NULL; |
| struct ieee80211_iface_limit *mbss_limits = NULL; |
| bool mbss, p2p; |
| int i, c, n_combos; |
| |
| mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS); |
| p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P); |
| |
| n_combos = 1 + !!p2p + !!mbss; |
| combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL); |
| if (!combo) |
| goto err; |
| |
| wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| BIT(NL80211_IFTYPE_ADHOC) | |
| BIT(NL80211_IFTYPE_AP); |
| |
| c = 0; |
| i = 0; |
| c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL); |
| if (!c0_limits) |
| goto err; |
| c0_limits[i].max = 1; |
| c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION); |
| if (p2p) { |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) |
| combo[c].num_different_channels = 2; |
| wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| BIT(NL80211_IFTYPE_P2P_GO) | |
| BIT(NL80211_IFTYPE_P2P_DEVICE); |
| c0_limits[i].max = 1; |
| c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); |
| c0_limits[i].max = 1; |
| c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| BIT(NL80211_IFTYPE_P2P_GO); |
| } else { |
| c0_limits[i].max = 1; |
| c0_limits[i++].types = BIT(NL80211_IFTYPE_AP); |
| } |
| combo[c].num_different_channels = 1; |
| combo[c].max_interfaces = i; |
| combo[c].n_limits = i; |
| combo[c].limits = c0_limits; |
| |
| if (p2p) { |
| c++; |
| i = 0; |
| p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL); |
| if (!p2p_limits) |
| goto err; |
| p2p_limits[i].max = 1; |
| p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION); |
| p2p_limits[i].max = 1; |
| p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP); |
| p2p_limits[i].max = 1; |
| p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT); |
| p2p_limits[i].max = 1; |
| p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); |
| combo[c].num_different_channels = 1; |
| combo[c].max_interfaces = i; |
| combo[c].n_limits = i; |
| combo[c].limits = p2p_limits; |
| } |
| |
| if (mbss) { |
| c++; |
| i = 0; |
| mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL); |
| if (!mbss_limits) |
| goto err; |
| mbss_limits[i].max = 4; |
| mbss_limits[i++].types = BIT(NL80211_IFTYPE_AP); |
| combo[c].beacon_int_infra_match = true; |
| combo[c].num_different_channels = 1; |
| combo[c].max_interfaces = 4; |
| combo[c].n_limits = i; |
| combo[c].limits = mbss_limits; |
| } |
| |
| wiphy->n_iface_combinations = n_combos; |
| wiphy->iface_combinations = combo; |
| return 0; |
| |
| err: |
| kfree(c0_limits); |
| kfree(p2p_limits); |
| kfree(mbss_limits); |
| kfree(combo); |
| return -ENOMEM; |
| } |
| |
| static void brcmf_wiphy_pno_params(struct wiphy *wiphy) |
| { |
| /* scheduled scan settings */ |
| wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; |
| wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; |
| wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; |
| wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; |
| } |
| |
| #ifdef CONFIG_PM |
| static struct wiphy_wowlan_support brcmf_wowlan_support = { |
| .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT, |
| .n_patterns = BRCMF_WOWL_MAXPATTERNS, |
| .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE, |
| .pattern_min_len = 1, |
| .max_pkt_offset = 1500, |
| }; |
| #endif |
| |
| static void brcmf_wiphy_wowl_params(struct wiphy *wiphy, struct brcmf_if *ifp) |
| { |
| #ifdef CONFIG_PM |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) { |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ND)) { |
| brcmf_wowlan_support.flags |= WIPHY_WOWLAN_NET_DETECT; |
| init_waitqueue_head(&cfg->wowl.nd_data_wait); |
| } |
| } |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) { |
| brcmf_wowlan_support.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY; |
| brcmf_wowlan_support.flags |= WIPHY_WOWLAN_GTK_REKEY_FAILURE; |
| } |
| |
| wiphy->wowlan = &brcmf_wowlan_support; |
| #endif |
| } |
| |
| static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) |
| { |
| struct brcmf_pub *drvr = ifp->drvr; |
| const struct ieee80211_iface_combination *combo; |
| struct ieee80211_supported_band *band; |
| u16 max_interfaces = 0; |
| __le32 bandlist[3]; |
| u32 n_bands; |
| int err, i; |
| |
| wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; |
| wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; |
| wiphy->max_num_pmkids = BRCMF_MAXPMKID; |
| |
| err = brcmf_setup_ifmodes(wiphy, ifp); |
| if (err) |
| return err; |
| |
| for (i = 0, combo = wiphy->iface_combinations; |
| i < wiphy->n_iface_combinations; i++, combo++) { |
| max_interfaces = max(max_interfaces, combo->max_interfaces); |
| } |
| |
| for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses); |
| i++) { |
| u8 *addr = drvr->addresses[i].addr; |
| |
| memcpy(addr, drvr->mac, ETH_ALEN); |
| if (i) { |
| addr[0] |= BIT(1); |
| addr[ETH_ALEN - 1] ^= i; |
| } |
| } |
| wiphy->addresses = drvr->addresses; |
| wiphy->n_addresses = i; |
| |
| wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
| wiphy->cipher_suites = brcmf_cipher_suites; |
| wiphy->n_cipher_suites = ARRAY_SIZE(brcmf_cipher_suites); |
| if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MFP)) |
| wiphy->n_cipher_suites--; |
| wiphy->bss_select_support = BIT(NL80211_BSS_SELECT_ATTR_RSSI) | |
| BIT(NL80211_BSS_SELECT_ATTR_BAND_PREF) | |
| BIT(NL80211_BSS_SELECT_ATTR_RSSI_ADJUST); |
| |
| wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | |
| WIPHY_FLAG_OFFCHAN_TX | |
| WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) |
| wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; |
| if (!ifp->drvr->settings->roamoff) |
| wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; |
| wiphy->mgmt_stypes = brcmf_txrx_stypes; |
| wiphy->max_remain_on_channel_duration = 5000; |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) |
| brcmf_wiphy_pno_params(wiphy); |
| |
| /* vendor commands/events support */ |
| wiphy->vendor_commands = brcmf_vendor_cmds; |
| wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1; |
| |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) |
| brcmf_wiphy_wowl_params(wiphy, ifp); |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist, |
| sizeof(bandlist)); |
| if (err) { |
| brcmf_err("could not obtain band info: err=%d\n", err); |
| return err; |
| } |
| /* first entry in bandlist is number of bands */ |
| n_bands = le32_to_cpu(bandlist[0]); |
| for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) { |
| if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) { |
| band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz), |
| GFP_KERNEL); |
| if (!band) |
| return -ENOMEM; |
| |
| band->channels = kmemdup(&__wl_2ghz_channels, |
| sizeof(__wl_2ghz_channels), |
| GFP_KERNEL); |
| if (!band->channels) { |
| kfree(band); |
| return -ENOMEM; |
| } |
| |
| band->n_channels = ARRAY_SIZE(__wl_2ghz_channels); |
| wiphy->bands[NL80211_BAND_2GHZ] = band; |
| } |
| if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) { |
| band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz), |
| GFP_KERNEL); |
| if (!band) |
| return -ENOMEM; |
| |
| band->channels = kmemdup(&__wl_5ghz_channels, |
| sizeof(__wl_5ghz_channels), |
| GFP_KERNEL); |
| if (!band->channels) { |
| kfree(band); |
| return -ENOMEM; |
| } |
| |
| band->n_channels = ARRAY_SIZE(__wl_5ghz_channels); |
| wiphy->bands[NL80211_BAND_5GHZ] = band; |
| } |
| } |
| err = brcmf_setup_wiphybands(wiphy); |
| return err; |
| } |
| |
| static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) |
| { |
| struct net_device *ndev; |
| struct wireless_dev *wdev; |
| struct brcmf_if *ifp; |
| s32 power_mode; |
| s32 err = 0; |
| |
| if (cfg->dongle_up) |
| return err; |
| |
| ndev = cfg_to_ndev(cfg); |
| wdev = ndev->ieee80211_ptr; |
| ifp = netdev_priv(ndev); |
| |
| /* make sure RF is ready for work */ |
| brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); |
| |
| brcmf_dongle_scantime(ifp); |
| |
| power_mode = cfg->pwr_save ? PM_FAST : PM_OFF; |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode); |
| if (err) |
| goto default_conf_out; |
| brcmf_dbg(INFO, "power save set to %s\n", |
| (power_mode ? "enabled" : "disabled")); |
| |
| err = brcmf_dongle_roam(ifp); |
| if (err) |
| goto default_conf_out; |
| err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype, |
| NULL, NULL); |
| if (err) |
| goto default_conf_out; |
| |
| brcmf_configure_arp_nd_offload(ifp, true); |
| |
| cfg->dongle_up = true; |
| default_conf_out: |
| |
| return err; |
| |
| } |
| |
| static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp) |
| { |
| set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); |
| |
| return brcmf_config_dongle(ifp->drvr->config); |
| } |
| |
| static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp) |
| { |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| |
| /* |
| * While going down, if associated with AP disassociate |
| * from AP to save power |
| */ |
| if (check_vif_up(ifp->vif)) { |
| brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED); |
| |
| /* Make sure WPA_Supplicant receives all the event |
| generated due to DISASSOC call to the fw to keep |
| the state fw and WPA_Supplicant state consistent |
| */ |
| brcmf_delay(500); |
| } |
| |
| brcmf_abort_scanning(cfg); |
| clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); |
| |
| return 0; |
| } |
| |
| s32 brcmf_cfg80211_up(struct net_device *ndev) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| s32 err = 0; |
| |
| mutex_lock(&cfg->usr_sync); |
| err = __brcmf_cfg80211_up(ifp); |
| mutex_unlock(&cfg->usr_sync); |
| |
| return err; |
| } |
| |
| s32 brcmf_cfg80211_down(struct net_device *ndev) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_info *cfg = ifp->drvr->config; |
| s32 err = 0; |
| |
| mutex_lock(&cfg->usr_sync); |
| err = __brcmf_cfg80211_down(ifp); |
| mutex_unlock(&cfg->usr_sync); |
| |
| return err; |
| } |
| |
| enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp) |
| { |
| struct wireless_dev *wdev = &ifp->vif->wdev; |
| |
| return wdev->iftype; |
| } |
| |
| bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, |
| unsigned long state) |
| { |
| struct brcmf_cfg80211_vif *vif; |
| |
| list_for_each_entry(vif, &cfg->vif_list, list) { |
| if (test_bit(state, &vif->sme_state)) |
| return true; |
| } |
| return false; |
| } |
| |
| static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, |
| u8 action) |
| { |
| u8 evt_action; |
| |
| spin_lock(&event->vif_event_lock); |
| evt_action = event->action; |
| spin_unlock(&event->vif_event_lock); |
| return evt_action == action; |
| } |
| |
| void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_cfg80211_vif *vif) |
| { |
| struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; |
| |
| spin_lock(&event->vif_event_lock); |
| event->vif = vif; |
| event->action = 0; |
| spin_unlock(&event->vif_event_lock); |
| } |
| |
| bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) |
| { |
| struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; |
| bool armed; |
| |
| spin_lock(&event->vif_event_lock); |
| armed = event->vif != NULL; |
| spin_unlock(&event->vif_event_lock); |
| |
| return armed; |
| } |
| |
| int brcmf_cfg80211_wait_vif_event(struct brcmf_cfg80211_info *cfg, |
| u8 action, ulong timeout) |
| { |
| struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; |
| |
| return wait_event_timeout(event->vif_wq, |
| vif_event_equals(event, action), timeout); |
| } |
| |
| static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2], |
| struct brcmf_fil_country_le *ccreq) |
| { |
| struct brcmfmac_pd_cc *country_codes; |
| struct brcmfmac_pd_cc_entry *cc; |
| s32 found_index; |
| int i; |
| |
| country_codes = drvr->settings->country_codes; |
| if (!country_codes) { |
| brcmf_dbg(TRACE, "No country codes configured for device\n"); |
| return -EINVAL; |
| } |
| |
| if ((alpha2[0] == ccreq->country_abbrev[0]) && |
| (alpha2[1] == ccreq->country_abbrev[1])) { |
| brcmf_dbg(TRACE, "Country code already set\n"); |
| return -EAGAIN; |
| } |
| |
| found_index = -1; |
| for (i = 0; i < country_codes->table_size; i++) { |
| cc = &country_codes->table[i]; |
| if ((cc->iso3166[0] == '\0') && (found_index == -1)) |
| found_index = i; |
| if ((cc->iso3166[0] == alpha2[0]) && |
| (cc->iso3166[1] == alpha2[1])) { |
| found_index = i; |
| break; |
| } |
| } |
| if (found_index == -1) { |
| brcmf_dbg(TRACE, "No country code match found\n"); |
| return -EINVAL; |
| } |
| memset(ccreq, 0, sizeof(*ccreq)); |
| ccreq->rev = cpu_to_le32(country_codes->table[found_index].rev); |
| memcpy(ccreq->ccode, country_codes->table[found_index].cc, |
| BRCMF_COUNTRY_BUF_SZ); |
| ccreq->country_abbrev[0] = alpha2[0]; |
| ccreq->country_abbrev[1] = alpha2[1]; |
| ccreq->country_abbrev[2] = 0; |
| |
| return 0; |
| } |
| |
| static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy, |
| struct regulatory_request *req) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
| struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
| struct brcmf_fil_country_le ccreq; |
| s32 err; |
| int i; |
| |
| /* ignore non-ISO3166 country codes */ |
| for (i = 0; i < sizeof(req->alpha2); i++) |
| if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') { |
| brcmf_err("not a ISO3166 code (0x%02x 0x%02x)\n", |
| req->alpha2[0], req->alpha2[1]); |
| return; |
| } |
| |
| brcmf_dbg(TRACE, "Enter: initiator=%d, alpha=%c%c\n", req->initiator, |
| req->alpha2[0], req->alpha2[1]); |
| |
| err = brcmf_fil_iovar_data_get(ifp, "country", &ccreq, sizeof(ccreq)); |
| if (err) { |
| brcmf_err("Country code iovar returned err = %d\n", err); |
| return; |
| } |
| |
| err = brcmf_translate_country_code(ifp->drvr, req->alpha2, &ccreq); |
| if (err) |
| return; |
| |
| err = brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq)); |
| if (err) { |
| brcmf_err("Firmware rejected country setting\n"); |
| return; |
| } |
| brcmf_setup_wiphybands(wiphy); |
| } |
| |
| static void brcmf_free_wiphy(struct wiphy *wiphy) |
| { |
| int i; |
| |
| if (!wiphy) |
| return; |
| |
| if (wiphy->iface_combinations) { |
| for (i = 0; i < wiphy->n_iface_combinations; i++) |
| kfree(wiphy->iface_combinations[i].limits); |
| } |
| kfree(wiphy->iface_combinations); |
| if (wiphy->bands[NL80211_BAND_2GHZ]) { |
| kfree(wiphy->bands[NL80211_BAND_2GHZ]->channels); |
| kfree(wiphy->bands[NL80211_BAND_2GHZ]); |
| } |
| if (wiphy->bands[NL80211_BAND_5GHZ]) { |
| kfree(wiphy->bands[NL80211_BAND_5GHZ]->channels); |
| kfree(wiphy->bands[NL80211_BAND_5GHZ]); |
| } |
| wiphy_free(wiphy); |
| } |
| |
| struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, |
| struct device *busdev, |
| bool p2pdev_forced) |
| { |
| struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev; |
| struct brcmf_cfg80211_info *cfg; |
| struct wiphy *wiphy; |
| struct cfg80211_ops *ops; |
| struct brcmf_cfg80211_vif *vif; |
| struct brcmf_if *ifp; |
| s32 err = 0; |
| s32 io_type; |
| u16 *cap = NULL; |
| |
| if (!ndev) { |
| brcmf_err("ndev is invalid\n"); |
| return NULL; |
| } |
| |
| ops = kmemdup(&brcmf_cfg80211_ops, sizeof(*ops), GFP_KERNEL); |
| if (!ops) |
| return NULL; |
| |
| ifp = netdev_priv(ndev); |
| #ifdef CONFIG_PM |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) |
| ops->set_rekey_data = brcmf_cfg80211_set_rekey_data; |
| #endif |
| wiphy = wiphy_new(ops, sizeof(struct brcmf_cfg80211_info)); |
| if (!wiphy) { |
| brcmf_err("Could not allocate wiphy device\n"); |
| return NULL; |
| } |
| memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN); |
| set_wiphy_dev(wiphy, busdev); |
| |
| cfg = wiphy_priv(wiphy); |
| cfg->wiphy = wiphy; |
| cfg->ops = ops; |
| cfg->pub = drvr; |
| init_vif_event(&cfg->vif_event); |
| INIT_LIST_HEAD(&cfg->vif_list); |
| |
| vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION); |
| if (IS_ERR(vif)) |
| goto wiphy_out; |
| |
| vif->ifp = ifp; |
| vif->wdev.netdev = ndev; |
| ndev->ieee80211_ptr = &vif->wdev; |
| SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); |
| |
| err = wl_init_priv(cfg); |
| if (err) { |
| brcmf_err("Failed to init iwm_priv (%d)\n", err); |
| brcmf_free_vif(vif); |
| goto wiphy_out; |
| } |
| ifp->vif = vif; |
| |
| /* determine d11 io type before wiphy setup */ |
| err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type); |
| if (err) { |
| brcmf_err("Failed to get D11 version (%d)\n", err); |
| goto priv_out; |
| } |
| cfg->d11inf.io_type = (u8)io_type; |
| brcmu_d11_attach(&cfg->d11inf); |
| |
| err = brcmf_setup_wiphy(wiphy, ifp); |
| if (err < 0) |
| goto priv_out; |
| |
| brcmf_dbg(INFO, "Registering custom regulatory\n"); |
| wiphy->reg_notifier = brcmf_cfg80211_reg_notifier; |
| wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; |
| wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); |
| |
| /* firmware defaults to 40MHz disabled in 2G band. We signal |
| * cfg80211 here that we do and have it decide we can enable |
| * it. But first check if device does support 2G operation. |
| */ |
| if (wiphy->bands[NL80211_BAND_2GHZ]) { |
| cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap.cap; |
| *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| } |
| err = wiphy_register(wiphy); |
| if (err < 0) { |
| brcmf_err("Could not register wiphy device (%d)\n", err); |
| goto priv_out; |
| } |
| |
| /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), |
| * setup 40MHz in 2GHz band and enable OBSS scanning. |
| */ |
| if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { |
| err = brcmf_enable_bw40_2g(cfg); |
| if (!err) |
| err = brcmf_fil_iovar_int_set(ifp, "obss_coex", |
| BRCMF_OBSS_COEX_AUTO); |
| else |
| *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| } |
| /* p2p might require that "if-events" get processed by fweh. So |
| * activate the already registered event handlers now and activate |
| * the rest when initialization has completed. drvr->config needs to |
| * be assigned before activating events. |
| */ |
| drvr->config = cfg; |
| err = brcmf_fweh_activate_events(ifp); |
| if (err) { |
| brcmf_err("FWEH activation failed (%d)\n", err); |
| goto wiphy_unreg_out; |
| } |
| |
| err = brcmf_p2p_attach(cfg, p2pdev_forced); |
| if (err) { |
| brcmf_err("P2P initilisation failed (%d)\n", err); |
| goto wiphy_unreg_out; |
| } |
| err = brcmf_btcoex_attach(cfg); |
| if (err) { |
| brcmf_err("BT-coex initialisation failed (%d)\n", err); |
| brcmf_p2p_detach(&cfg->p2p); |
| goto wiphy_unreg_out; |
| } |
| |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS)) { |
| err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); |
| if (err) { |
| brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); |
| wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; |
| } else { |
| brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT, |
| brcmf_notify_tdls_peer_event); |
| } |
| } |
| |
| /* (re-) activate FWEH event handling */ |
| err = brcmf_fweh_activate_events(ifp); |
| if (err) { |
| brcmf_err("FWEH activation failed (%d)\n", err); |
| goto wiphy_unreg_out; |
| } |
| |
| /* Fill in some of the advertised nl80211 supported features */ |
| if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_SCAN_RANDOM_MAC)) { |
| wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; |
| #ifdef CONFIG_PM |
| if (wiphy->wowlan && |
| wiphy->wowlan->flags & WIPHY_WOWLAN_NET_DETECT) |
| wiphy->features |= NL80211_FEATURE_ND_RANDOM_MAC_ADDR; |
| #endif |
| } |
| |
| return cfg; |
| |
| wiphy_unreg_out: |
| wiphy_unregister(cfg->wiphy); |
| priv_out: |
| wl_deinit_priv(cfg); |
| brcmf_free_vif(vif); |
| ifp->vif = NULL; |
| wiphy_out: |
| brcmf_free_wiphy(wiphy); |
| kfree(ops); |
| return NULL; |
| } |
| |
| void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) |
| { |
| if (!cfg) |
| return; |
| |
| brcmf_btcoex_detach(cfg); |
| wiphy_unregister(cfg->wiphy); |
| kfree(cfg->ops); |
| wl_deinit_priv(cfg); |
| brcmf_free_wiphy(cfg->wiphy); |
| } |