| /* |
| * 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 <net/cfg80211.h> |
| #include <net/netlink.h> |
| |
| #include <brcmu_utils.h> |
| #include <defs.h> |
| #include <brcmu_wifi.h> |
| #include "dhd.h" |
| #include "dhd_dbg.h" |
| #include "fwil_types.h" |
| #include "p2p.h" |
| #include "wl_cfg80211.h" |
| #include "fwil.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 BRCMF_IFACE_MAX_CNT 3 |
| |
| #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_CAP_LEN 2 /* Length of RSN capabilities */ |
| #define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C |
| |
| #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_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 CHAN2G(_channel, _freq, _flags) { \ |
| .band = IEEE80211_BAND_2GHZ, \ |
| .center_freq = (_freq), \ |
| .hw_value = (_channel), \ |
| .flags = (_flags), \ |
| .max_antenna_gain = 0, \ |
| .max_power = 30, \ |
| } |
| |
| #define CHAN5G(_channel, _flags) { \ |
| .band = IEEE80211_BAND_5GHZ, \ |
| .center_freq = 5000 + (5 * (_channel)), \ |
| .hw_value = (_channel), \ |
| .flags = (_flags), \ |
| .max_antenna_gain = 0, \ |
| .max_power = 30, \ |
| } |
| |
| #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_a_rates (__wl_rates + 4) |
| #define wl_a_rates_size 8 |
| #define wl_g_rates (__wl_rates + 0) |
| #define wl_g_rates_size 12 |
| |
| static struct ieee80211_channel __wl_2ghz_channels[] = { |
| CHAN2G(1, 2412, 0), |
| CHAN2G(2, 2417, 0), |
| CHAN2G(3, 2422, 0), |
| CHAN2G(4, 2427, 0), |
| CHAN2G(5, 2432, 0), |
| CHAN2G(6, 2437, 0), |
| CHAN2G(7, 2442, 0), |
| CHAN2G(8, 2447, 0), |
| CHAN2G(9, 2452, 0), |
| CHAN2G(10, 2457, 0), |
| CHAN2G(11, 2462, 0), |
| CHAN2G(12, 2467, 0), |
| CHAN2G(13, 2472, 0), |
| CHAN2G(14, 2484, 0), |
| }; |
| |
| static struct ieee80211_channel __wl_5ghz_a_channels[] = { |
| CHAN5G(34, 0), CHAN5G(36, 0), |
| CHAN5G(38, 0), CHAN5G(40, 0), |
| CHAN5G(42, 0), CHAN5G(44, 0), |
| CHAN5G(46, 0), CHAN5G(48, 0), |
| CHAN5G(52, 0), CHAN5G(56, 0), |
| CHAN5G(60, 0), CHAN5G(64, 0), |
| CHAN5G(100, 0), CHAN5G(104, 0), |
| CHAN5G(108, 0), CHAN5G(112, 0), |
| CHAN5G(116, 0), CHAN5G(120, 0), |
| CHAN5G(124, 0), CHAN5G(128, 0), |
| CHAN5G(132, 0), CHAN5G(136, 0), |
| CHAN5G(140, 0), CHAN5G(149, 0), |
| CHAN5G(153, 0), CHAN5G(157, 0), |
| CHAN5G(161, 0), CHAN5G(165, 0), |
| CHAN5G(184, 0), CHAN5G(188, 0), |
| CHAN5G(192, 0), CHAN5G(196, 0), |
| CHAN5G(200, 0), CHAN5G(204, 0), |
| CHAN5G(208, 0), CHAN5G(212, 0), |
| CHAN5G(216, 0), |
| }; |
| |
| static struct ieee80211_channel __wl_5ghz_n_channels[] = { |
| CHAN5G(32, 0), CHAN5G(34, 0), |
| CHAN5G(36, 0), CHAN5G(38, 0), |
| CHAN5G(40, 0), CHAN5G(42, 0), |
| CHAN5G(44, 0), CHAN5G(46, 0), |
| CHAN5G(48, 0), CHAN5G(50, 0), |
| CHAN5G(52, 0), CHAN5G(54, 0), |
| CHAN5G(56, 0), CHAN5G(58, 0), |
| CHAN5G(60, 0), CHAN5G(62, 0), |
| CHAN5G(64, 0), CHAN5G(66, 0), |
| CHAN5G(68, 0), CHAN5G(70, 0), |
| CHAN5G(72, 0), CHAN5G(74, 0), |
| CHAN5G(76, 0), CHAN5G(78, 0), |
| CHAN5G(80, 0), CHAN5G(82, 0), |
| CHAN5G(84, 0), CHAN5G(86, 0), |
| CHAN5G(88, 0), CHAN5G(90, 0), |
| CHAN5G(92, 0), CHAN5G(94, 0), |
| CHAN5G(96, 0), CHAN5G(98, 0), |
| CHAN5G(100, 0), CHAN5G(102, 0), |
| CHAN5G(104, 0), CHAN5G(106, 0), |
| CHAN5G(108, 0), CHAN5G(110, 0), |
| CHAN5G(112, 0), CHAN5G(114, 0), |
| CHAN5G(116, 0), CHAN5G(118, 0), |
| CHAN5G(120, 0), CHAN5G(122, 0), |
| CHAN5G(124, 0), CHAN5G(126, 0), |
| CHAN5G(128, 0), CHAN5G(130, 0), |
| CHAN5G(132, 0), CHAN5G(134, 0), |
| CHAN5G(136, 0), CHAN5G(138, 0), |
| CHAN5G(140, 0), CHAN5G(142, 0), |
| CHAN5G(144, 0), CHAN5G(145, 0), |
| CHAN5G(146, 0), CHAN5G(147, 0), |
| CHAN5G(148, 0), CHAN5G(149, 0), |
| CHAN5G(150, 0), CHAN5G(151, 0), |
| CHAN5G(152, 0), CHAN5G(153, 0), |
| CHAN5G(154, 0), CHAN5G(155, 0), |
| CHAN5G(156, 0), CHAN5G(157, 0), |
| CHAN5G(158, 0), CHAN5G(159, 0), |
| CHAN5G(160, 0), CHAN5G(161, 0), |
| CHAN5G(162, 0), CHAN5G(163, 0), |
| CHAN5G(164, 0), CHAN5G(165, 0), |
| CHAN5G(166, 0), CHAN5G(168, 0), |
| CHAN5G(170, 0), CHAN5G(172, 0), |
| CHAN5G(174, 0), CHAN5G(176, 0), |
| CHAN5G(178, 0), CHAN5G(180, 0), |
| CHAN5G(182, 0), CHAN5G(184, 0), |
| CHAN5G(186, 0), CHAN5G(188, 0), |
| CHAN5G(190, 0), CHAN5G(192, 0), |
| CHAN5G(194, 0), CHAN5G(196, 0), |
| CHAN5G(198, 0), CHAN5G(200, 0), |
| CHAN5G(202, 0), CHAN5G(204, 0), |
| CHAN5G(206, 0), CHAN5G(208, 0), |
| CHAN5G(210, 0), CHAN5G(212, 0), |
| CHAN5G(214, 0), CHAN5G(216, 0), |
| CHAN5G(218, 0), CHAN5G(220, 0), |
| CHAN5G(222, 0), CHAN5G(224, 0), |
| CHAN5G(226, 0), CHAN5G(228, 0), |
| }; |
| |
| static struct ieee80211_supported_band __wl_band_2ghz = { |
| .band = IEEE80211_BAND_2GHZ, |
| .channels = __wl_2ghz_channels, |
| .n_channels = ARRAY_SIZE(__wl_2ghz_channels), |
| .bitrates = wl_g_rates, |
| .n_bitrates = wl_g_rates_size, |
| }; |
| |
| static struct ieee80211_supported_band __wl_band_5ghz_a = { |
| .band = IEEE80211_BAND_5GHZ, |
| .channels = __wl_5ghz_a_channels, |
| .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels), |
| .bitrates = wl_a_rates, |
| .n_bitrates = wl_a_rates_size, |
| }; |
| |
| static struct ieee80211_supported_band __wl_band_5ghz_n = { |
| .band = IEEE80211_BAND_5GHZ, |
| .channels = __wl_5ghz_n_channels, |
| .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels), |
| .bitrates = wl_a_rates, |
| .n_bitrates = wl_a_rates_size, |
| }; |
| |
| static const u32 __wl_cipher_suites[] = { |
| WLAN_CIPHER_SUITE_WEP40, |
| WLAN_CIPHER_SUITE_WEP104, |
| WLAN_CIPHER_SUITE_TKIP, |
| WLAN_CIPHER_SUITE_CCMP, |
| 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]; |
| }; |
| |
| /* Quarter dBm units to mW |
| * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153 |
| * Table is offset so the last entry is largest mW value that fits in |
| * a u16. |
| */ |
| |
| #define QDBM_OFFSET 153 /* Offset for first entry */ |
| #define QDBM_TABLE_LEN 40 /* Table size */ |
| |
| /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET. |
| * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2 |
| */ |
| #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */ |
| |
| /* Largest mW value that will round down to the last table entry, |
| * QDBM_OFFSET + QDBM_TABLE_LEN-1. |
| * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) + |
| * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2. |
| */ |
| #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */ |
| |
| static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = { |
| /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */ |
| /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000, |
| /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849, |
| /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119, |
| /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811, |
| /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096 |
| }; |
| |
| static u16 brcmf_qdbm_to_mw(u8 qdbm) |
| { |
| uint factor = 1; |
| int idx = qdbm - QDBM_OFFSET; |
| |
| if (idx >= QDBM_TABLE_LEN) |
| /* clamp to max u16 mW value */ |
| return 0xFFFF; |
| |
| /* scale the qdBm index up to the range of the table 0-40 |
| * where an offset of 40 qdBm equals a factor of 10 mW. |
| */ |
| while (idx < 0) { |
| idx += 40; |
| factor *= 10; |
| } |
| |
| /* return the mW value scaled down to the correct factor of 10, |
| * adding in factor/2 to get proper rounding. |
| */ |
| return (nqdBm_to_mW_map[idx] + factor / 2) / factor; |
| } |
| |
| static u8 brcmf_mw_to_qdbm(u16 mw) |
| { |
| u8 qdbm; |
| int offset; |
| uint mw_uint = mw; |
| uint boundary; |
| |
| /* handle boundary case */ |
| if (mw_uint <= 1) |
| return 0; |
| |
| offset = QDBM_OFFSET; |
| |
| /* move mw into the range of the table */ |
| while (mw_uint < QDBM_TABLE_LOW_BOUND) { |
| mw_uint *= 10; |
| offset -= 40; |
| } |
| |
| for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) { |
| boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] - |
| nqdBm_to_mW_map[qdbm]) / 2; |
| if (mw_uint < boundary) |
| break; |
| } |
| |
| qdbm += (u8) offset; |
| |
| return qdbm; |
| } |
| |
| u16 channel_to_chanspec(struct ieee80211_channel *ch) |
| { |
| u16 chanspec; |
| |
| chanspec = ieee80211_frequency_to_channel(ch->center_freq); |
| chanspec &= WL_CHANSPEC_CHAN_MASK; |
| |
| if (ch->band == IEEE80211_BAND_2GHZ) |
| chanspec |= WL_CHANSPEC_BAND_2G; |
| else |
| chanspec |= WL_CHANSPEC_BAND_5G; |
| |
| chanspec |= WL_CHANSPEC_BW_20; |
| chanspec |= WL_CHANSPEC_CTL_SB_NONE; |
| |
| return chanspec; |
| } |
| |
| /* 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 |
| */ |
| struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key) |
| { |
| struct brcmf_tlv *elt; |
| int totlen; |
| |
| elt = (struct brcmf_tlv *)buf; |
| 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(u8 *ie, u8 **tlvs, u32 *tlvs_len, |
| 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(u8 *parse, u32 len) |
| { |
| 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, WPA_OUI_TYPE)) |
| return (struct brcmf_vs_tlv *)ie; |
| } |
| return NULL; |
| } |
| |
| static struct brcmf_vs_tlv * |
| brcmf_find_wpsie(u8 *parse, u32 len) |
| { |
| 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 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 net_device *ndev, 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(ndev); |
| |
| err = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "wsec_key", &key_le, |
| sizeof(key_le)); |
| |
| if (err) |
| brcmf_err("wsec_key error (%d)\n", err); |
| return err; |
| } |
| |
| static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, |
| const char *name, |
| enum nl80211_iftype type, |
| u32 *flags, |
| struct vif_params *params) |
| { |
| brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); |
| switch (type) { |
| case NL80211_IFTYPE_ADHOC: |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_AP: |
| 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_P2P_CLIENT: |
| case NL80211_IFTYPE_P2P_GO: |
| return brcmf_p2p_add_vif(wiphy, name, type, flags, params); |
| case NL80211_IFTYPE_UNSPECIFIED: |
| case NL80211_IFTYPE_P2P_DEVICE: |
| default: |
| return ERR_PTR(-EINVAL); |
| } |
| } |
| |
| void brcmf_set_mpc(struct net_device *ndev, int mpc) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| 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 net_device *ndev, |
| 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)); |
| memset(params_le.bssid, 0xFF, ETH_ALEN); |
| 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(netdev_priv(ndev), BRCMF_C_SCAN, |
| ¶ms_le, sizeof(params_le)); |
| if (err) |
| brcmf_err("Scan abort failed\n"); |
| } |
| /* |
| * 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)); |
| brcmf_set_mpc(ndev, 1); |
| } else if (scan_request) { |
| brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", |
| aborted ? "Aborted" : "Done"); |
| cfg80211_scan_done(scan_request, aborted); |
| brcmf_set_mpc(ndev, 1); |
| } |
| 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_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
| struct net_device *ndev = wdev->netdev; |
| |
| /* 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.ndev == ndev) |
| brcmf_notify_escan_complete(cfg, 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: |
| case NL80211_IFTYPE_AP_VLAN: |
| case NL80211_IFTYPE_WDS: |
| case NL80211_IFTYPE_MONITOR: |
| case NL80211_IFTYPE_MESH_POINT: |
| return -EOPNOTSUPP; |
| case NL80211_IFTYPE_P2P_CLIENT: |
| case NL80211_IFTYPE_P2P_GO: |
| return brcmf_p2p_del_vif(wiphy, wdev); |
| case NL80211_IFTYPE_UNSPECIFIED: |
| case NL80211_IFTYPE_P2P_DEVICE: |
| 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, ndev=%p, type=%d\n", ndev, type); |
| |
| 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: |
| vif->mode = WL_MODE_IBSS; |
| infra = 0; |
| break; |
| case NL80211_IFTYPE_STATION: |
| /* Ignore change for p2p IF. Unclear why supplicant does this */ |
| if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) || |
| (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) { |
| brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n"); |
| /* WAR: It is unexpected to get a change of VIF for P2P |
| * IF, but it happens. The request can not be handled |
| * but returning EPERM causes a crash. Returning 0 |
| * without setting ieee80211_ptr->iftype causes trace |
| * (WARN_ON) but it works with wpa_supplicant |
| */ |
| return 0; |
| } |
| vif->mode = WL_MODE_BSS; |
| infra = 1; |
| break; |
| case NL80211_IFTYPE_AP: |
| case NL80211_IFTYPE_P2P_GO: |
| vif->mode = WL_MODE_AP; |
| 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) { |
| set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state); |
| 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", (vif->mode == WL_MODE_IBSS) ? |
| "Adhoc" : "Infra"); |
| } |
| ndev->ieee80211_ptr->iftype = type; |
| |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| |
| return err; |
| } |
| |
| static void brcmf_escan_prep(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; |
| |
| memset(params_le->bssid, 0xFF, ETH_ALEN); |
| 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(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 net_device *ndev, |
| struct cfg80211_scan_request *request, u16 action) |
| { |
| 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) * 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(¶ms->params_le, request); |
| params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); |
| params->action = cpu_to_le16(action); |
| params->sync_id = cpu_to_le16(0x1234); |
| |
| err = brcmf_fil_iovar_data_set(netdev_priv(ndev), "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 net_device *ndev, 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->ndev = ndev; |
| escan->wiphy = wiphy; |
| escan->escan_state = WL_ESCAN_STATE_SCANNING; |
| passive_scan = cfg->active_scan ? 0 : 1; |
| err = brcmf_fil_cmd_int_set(netdev_priv(ndev), BRCMF_C_SET_PASSIVE_SCAN, |
| passive_scan); |
| if (err) { |
| brcmf_err("error (%d)\n", err); |
| return err; |
| } |
| brcmf_set_mpc(ndev, 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, ndev, request, WL_ESCAN_ACTION_START); |
| if (err) |
| brcmf_set_mpc(ndev, 1); |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_scan_request *request, |
| struct cfg80211_ssid *this_ssid) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
| struct cfg80211_ssid *ssids; |
| struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int; |
| u32 passive_scan; |
| bool escan_req; |
| bool spec_scan; |
| s32 err; |
| 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_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 (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) { |
| ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; |
| ndev = ifp->ndev; |
| } |
| |
| /* Arm scan timeout timer */ |
| mod_timer(&cfg->escan_timeout, jiffies + |
| WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); |
| |
| 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, ifp->vif); |
| if (err) |
| goto scan_out; |
| |
| err = brcmf_do_escan(cfg, wiphy, ndev, request); |
| if (err) |
| goto scan_out; |
| } else { |
| brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n", |
| ssids->ssid, ssids->ssid_len); |
| memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); |
| SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); |
| sr->ssid_le.SSID_len = cpu_to_le32(0); |
| spec_scan = false; |
| if (SSID_len) { |
| memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); |
| sr->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_set_mpc(ndev, 0); |
| err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, |
| &sr->ssid_le, sizeof(sr->ssid_le)); |
| if (err) { |
| if (err == -EBUSY) |
| brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n", |
| sr->ssid_le.SSID); |
| else |
| brcmf_err("WLC_SCAN error (%d)\n", err); |
| |
| brcmf_set_mpc(ndev, 1); |
| goto scan_out; |
| } |
| } |
| |
| return 0; |
| |
| scan_out: |
| clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); |
| if (timer_pending(&cfg->escan_timeout)) |
| del_timer_sync(&cfg->escan_timeout); |
| cfg->scan_request = NULL; |
| return err; |
| } |
| |
| static s32 |
| brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) |
| { |
| struct net_device *ndev = request->wdev->netdev; |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| if (!check_vif_up(container_of(request->wdev, |
| struct brcmf_cfg80211_vif, wdev))) |
| return -EIO; |
| |
| err = brcmf_cfg80211_escan(wiphy, ndev, 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 void brcmf_link_down(struct brcmf_cfg80211_vif *vif) |
| { |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| if (test_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); |
| clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state); |
| } |
| clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); |
| 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; |
| |
| 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 */ |
| profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32); |
| memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len); |
| memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len); |
| join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.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 = sizeof(join_params.ssid_le) + |
| BRCMF_ASSOC_PARAMS_FIXED_SIZE; |
| memcpy(profile->bssid, params->bssid, ETH_ALEN); |
| } else { |
| memset(join_params.params_le.bssid, 0xFF, ETH_ALEN); |
| memset(profile->bssid, 0, ETH_ALEN); |
| } |
| |
| /* 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 = channel_to_chanspec(params->chandef.chan); |
| 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); |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| brcmf_link_down(ifp->vif); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| |
| return err; |
| } |
| |
| 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; |
| case NL80211_AUTHTYPE_AUTOMATIC: |
| val = 2; |
| brcmf_dbg(CONN, "automatic\n"); |
| break; |
| case NL80211_AUTHTYPE_NETWORK_EAP: |
| brcmf_dbg(CONN, "network eap\n"); |
| default: |
| val = 2; |
| brcmf_err("invalid 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_set_cipher(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 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; |
| err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", pval | gval); |
| 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_cfg80211_profile *profile = ndev_to_prof(ndev); |
| struct brcmf_cfg80211_security *sec; |
| s32 val = 0; |
| s32 err = 0; |
| |
| if (sme->crypto.n_akm_suites) { |
| 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_PSK: |
| val = WPA2_AUTH_PSK; |
| break; |
| default: |
| brcmf_err("invalid cipher group (%d)\n", |
| sme->crypto.cipher_group); |
| return -EINVAL; |
| } |
| } |
| |
| 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; |
| } |
| } |
| sec = &profile->sec; |
| sec->wpa_auth = sme->crypto.akm_suites[0]; |
| |
| 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(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) |
| { |
| u32 ci; |
| if (type == NL80211_AUTHTYPE_AUTOMATIC) { |
| /* shift to ignore chip revision */ |
| ci = brcmf_get_chip_info(ifp) >> 4; |
| switch (ci) { |
| case 43236: |
| brcmf_dbg(CONN, "43236 WAR: use OPEN instead of AUTO\n"); |
| return NL80211_AUTHTYPE_OPEN_SYSTEM; |
| default: |
| break; |
| } |
| } |
| return type; |
| } |
| |
| 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 brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
| struct ieee80211_channel *chan = sme->channel; |
| struct brcmf_join_params join_params; |
| size_t join_params_size; |
| struct brcmf_tlv *rsn_ie; |
| struct brcmf_vs_tlv *wpa_ie; |
| void *ie; |
| u32 ie_len; |
| struct brcmf_ext_join_params_le *ext_join_params; |
| u16 chanspec; |
| |
| s32 err = 0; |
| |
| 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((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(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_set_cipher(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; |
| } |
| |
| profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID), |
| (u32)sme->ssid_len); |
| memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); |
| if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { |
| profile->ssid.SSID[profile->ssid.SSID_len] = 0; |
| brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID, |
| profile->ssid.SSID_len); |
| } |
| |
| /* 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; |
| } |
| ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); |
| memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, |
| profile->ssid.SSID_len); |
| /*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); |
| /* Set up join scan parameters */ |
| ext_join_params->scan_le.scan_type = -1; |
| /* 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); |
| 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 |
| memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN); |
| |
| 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); |
| } |
| |
| 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, profile->ssid.SSID_len); |
| join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); |
| |
| if (sme->bssid) |
| memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN); |
| else |
| memset(join_params.params_le.bssid, 0xFF, ETH_ALEN); |
| |
| 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); |
| |
| 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); |
| u16 txpwrmw; |
| s32 err = 0; |
| s32 disable = 0; |
| s32 dbm = MBM_TO_DBM(mbm); |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| 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 (dbm < 0) { |
| brcmf_err("TX_POWER_FIXED - dbm is negative\n"); |
| err = -EINVAL; |
| goto done; |
| } |
| break; |
| } |
| /* 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); |
| |
| if (dbm > 0xffff) |
| txpwrmw = 0xffff; |
| else |
| txpwrmw = (u16) dbm; |
| err = brcmf_fil_iovar_int_set(ifp, "qtxpower", |
| (s32)brcmf_mw_to_qdbm(txpwrmw)); |
| if (err) |
| brcmf_err("qtxpower error (%d)\n", err); |
| cfg->conf->tx_power = dbm; |
| |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| 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 brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
| s32 txpwrdbm; |
| u8 result; |
| s32 err = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm); |
| if (err) { |
| brcmf_err("error (%d)\n", err); |
| goto done; |
| } |
| |
| result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); |
| *dbm = (s32) brcmf_qdbm_to_mw(result); |
| |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| 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_add_keyext(struct wiphy *wiphy, struct net_device *ndev, |
| u8 key_idx, const u8 *mac_addr, struct key_params *params) |
| { |
| struct brcmf_wsec_key key; |
| s32 err = 0; |
| |
| memset(&key, 0, sizeof(key)); |
| key.index = (u32) key_idx; |
| /* Instead of bcast for ea address for default wep keys, |
| driver needs it to be Null */ |
| if (!is_multicast_ether_addr(mac_addr)) |
| memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); |
| key.len = (u32) params->key_len; |
| /* check for key index change */ |
| if (key.len == 0) { |
| /* key delete */ |
| err = send_key_to_dongle(ndev, &key); |
| if (err) |
| brcmf_err("key delete error (%d)\n", err); |
| } else { |
| if (key.len > sizeof(key.data)) { |
| brcmf_err("Invalid key length (%d)\n", key.len); |
| return -EINVAL; |
| } |
| |
| brcmf_dbg(CONN, "Setting the key index %d\n", key.index); |
| memcpy(key.data, params->key, key.len); |
| |
| if (params->cipher == WLAN_CIPHER_SUITE_TKIP) { |
| u8 keybuf[8]; |
| memcpy(keybuf, &key.data[24], sizeof(keybuf)); |
| memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); |
| memcpy(&key.data[16], keybuf, sizeof(keybuf)); |
| } |
| |
| /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ |
| if (params->seq && params->seq_len == 6) { |
| /* rx iv */ |
| u8 *ivptr; |
| ivptr = (u8 *) params->seq; |
| key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | |
| (ivptr[3] << 8) | ivptr[2]; |
| key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; |
| key.iv_initialized = true; |
| } |
| |
| switch (params->cipher) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| key.algo = CRYPTO_ALGO_WEP1; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); |
| break; |
| case WLAN_CIPHER_SUITE_WEP104: |
| key.algo = CRYPTO_ALGO_WEP128; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| key.algo = CRYPTO_ALGO_TKIP; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| key.algo = CRYPTO_ALGO_AES_CCM; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| key.algo = CRYPTO_ALGO_AES_CCM; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); |
| break; |
| default: |
| brcmf_err("Invalid cipher (0x%x)\n", params->cipher); |
| return -EINVAL; |
| } |
| err = send_key_to_dongle(ndev, &key); |
| if (err) |
| brcmf_err("wsec_key error (%d)\n", err); |
| } |
| 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 = 0; |
| u8 keybuf[8]; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (mac_addr) { |
| brcmf_dbg(TRACE, "Exit"); |
| return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params); |
| } |
| memset(&key, 0, sizeof(key)); |
| |
| key.len = (u32) params->key_len; |
| key.index = (u32) key_idx; |
| |
| if (key.len > sizeof(key.data)) { |
| brcmf_err("Too long key length (%u)\n", key.len); |
| err = -EINVAL; |
| goto done; |
| } |
| memcpy(key.data, params->key, key.len); |
| |
| 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 (ifp->vif->mode != WL_MODE_AP) { |
| brcmf_dbg(CONN, "Swapping 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(ndev, &key); |
| if (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_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 = 0; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (key_idx >= DOT11_MAX_DEFAULT_KEYS) { |
| /* we ignore this key index in this case */ |
| brcmf_err("invalid key index (%d)\n", key_idx); |
| return -EINVAL; |
| } |
| |
| memset(&key, 0, sizeof(key)); |
| |
| key.index = (u32) key_idx; |
| key.flags = BRCMF_PRIMARY_KEY; |
| key.algo = CRYPTO_ALGO_OFF; |
| |
| brcmf_dbg(CONN, "key index (%d)\n", key_idx); |
| |
| /* Set the new key/index */ |
| err = send_key_to_dongle(ndev, &key); |
| |
| 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; |
| } |
| switch (wsec & ~SES_OW_ENABLED) { |
| case 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"); |
| } |
| break; |
| case TKIP_ENABLED: |
| params.cipher = WLAN_CIPHER_SUITE_TKIP; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); |
| break; |
| case AES_ENABLED: |
| params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; |
| brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| break; |
| default: |
| 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) |
| { |
| brcmf_dbg(INFO, "Not supported\n"); |
| |
| return -EOPNOTSUPP; |
| } |
| |
| static s32 |
| brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, |
| u8 *mac, struct station_info *sinfo) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; |
| struct brcmf_scb_val_le scb_val; |
| int rssi; |
| s32 rate; |
| s32 err = 0; |
| u8 *bssid = profile->bssid; |
| struct brcmf_sta_info_le sta_info_le; |
| |
| brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| if (ifp->vif->mode == WL_MODE_AP) { |
| memcpy(&sta_info_le, mac, ETH_ALEN); |
| 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; |
| } |
| sinfo->filled = STATION_INFO_INACTIVE_TIME; |
| sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000; |
| if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) { |
| sinfo->filled |= STATION_INFO_CONNECTED_TIME; |
| sinfo->connected_time = le32_to_cpu(sta_info_le.in); |
| } |
| brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n", |
| sinfo->inactive_time, sinfo->connected_time); |
| } else if (ifp->vif->mode == WL_MODE_BSS) { |
| if (memcmp(mac, bssid, ETH_ALEN)) { |
| brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n", |
| mac, bssid); |
| err = -ENOENT; |
| goto done; |
| } |
| /* Report the current tx rate */ |
| err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate); |
| if (err) { |
| brcmf_err("Could not get rate (%d)\n", err); |
| goto done; |
| } else { |
| sinfo->filled |= STATION_INFO_TX_BITRATE; |
| sinfo->txrate.legacy = rate * 5; |
| brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2); |
| } |
| |
| 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 |= STATION_INFO_SIGNAL; |
| sinfo->signal = rssi; |
| brcmf_dbg(CONN, "RSSI %d dBm\n", rssi); |
| } |
| } |
| } else |
| err = -EPERM; |
| done: |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| } |
| |
| 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; |
| 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; |
| s32 err = 0; |
| 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; |
| } |
| |
| channel = bi->ctl_ch ? bi->ctl_ch : |
| CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); |
| |
| if (channel <= CH_MAX_2G_CHANNEL) |
| band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| else |
| band = wiphy->bands[IEEE80211_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, (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 err; |
| } |
| |
| 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 = cfg->bss_list; |
| 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 wl_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; |
| u8 *buf = NULL; |
| s32 err = 0; |
| u16 channel; |
| 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); |
| |
| channel = bi->ctl_ch ? bi->ctl_ch : |
| CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); |
| |
| if (channel <= CH_MAX_2G_CHANNEL) |
| band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| else |
| band = wiphy->bands[IEEE80211_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, "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, 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 bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) |
| { |
| return vif->mode == WL_MODE_IBSS; |
| } |
| |
| static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, |
| struct brcmf_if *ifp) |
| { |
| struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev); |
| struct brcmf_bss_info_le *bi; |
| struct brcmf_ssid *ssid; |
| 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; |
| |
| ssid = &profile->ssid; |
| |
| *(__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->ndev, 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_notify_escan_complete(cfg, cfg->escan_info.ndev, 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_bss_info_le *bss, |
| struct brcmf_bss_info_le *bss_info_le) |
| { |
| if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && |
| (CHSPEC_BAND(le16_to_cpu(bss_info_le->chanspec)) == |
| CHSPEC_BAND(le16_to_cpu(bss->chanspec))) && |
| bss_info_le->SSID_len == bss->SSID_len && |
| !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { |
| if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) == |
| (bss_info_le->flags & WLC_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 & WLC_BSS_RSSI_ON_CHANNEL) && |
| (bss_info_le->flags & WLC_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 |= WLC_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; |
| struct net_device *ndev = ifp->ndev; |
| s32 status; |
| s32 err = 0; |
| 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 (!ndev || !test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { |
| brcmf_err("scan not ready ndev %p drv_status %x\n", ndev, |
| !test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)); |
| 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 > WL_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(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) { |
| cfg->bss_list = (struct brcmf_scan_results *) |
| cfg->escan_info.escan_buf; |
| brcmf_inform_bss(cfg); |
| aborted = status != BRCMF_E_STATUS_SUCCESS; |
| brcmf_notify_escan_complete(cfg, ndev, aborted, |
| false); |
| } else |
| brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", |
| status); |
| } |
| exit: |
| return err; |
| } |
| |
| 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); |
| } |
| |
| static __always_inline void brcmf_delay(u32 ms) |
| { |
| if (ms < 1000 / HZ) { |
| cond_resched(); |
| mdelay(ms); |
| } else { |
| msleep(ms); |
| } |
| } |
| |
| static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) |
| { |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| return 0; |
| } |
| |
| static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, |
| struct cfg80211_wowlan *wow) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct net_device *ndev = cfg_to_ndev(cfg); |
| 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. |
| */ |
| vif = ((struct brcmf_if *)netdev_priv(ndev))->vif; |
| if (!check_vif_up(vif)) |
| goto exit; |
| |
| 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); |
| |
| /* 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); |
| } |
| |
| /* end any scanning */ |
| if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) |
| brcmf_abort_scanning(cfg); |
| |
| /* Turn off watchdog timer */ |
| brcmf_set_mpc(ndev, 1); |
| |
| exit: |
| brcmf_dbg(TRACE, "Exit\n"); |
| /* clear any scanning activity */ |
| cfg->scan_status = 0; |
| return 0; |
| } |
| |
| static __used s32 |
| brcmf_update_pmklist(struct net_device *ndev, |
| struct brcmf_cfg80211_pmk_list *pmk_list, s32 err) |
| { |
| int i, j; |
| int pmkid_len; |
| |
| pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid); |
| |
| brcmf_dbg(CONN, "No of elements %d\n", pmkid_len); |
| for (i = 0; i < pmkid_len; i++) { |
| brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i, |
| &pmk_list->pmkids.pmkid[i].BSSID); |
| for (j = 0; j < WLAN_PMKID_LEN; j++) |
| brcmf_dbg(CONN, "%02x\n", |
| pmk_list->pmkids.pmkid[i].PMKID[j]); |
| } |
| |
| if (!err) |
| brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info", |
| (char *)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 pmkid_list *pmkids = &cfg->pmk_list->pmkids; |
| s32 err = 0; |
| int i; |
| int pmkid_len; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| pmkid_len = le32_to_cpu(pmkids->npmkid); |
| for (i = 0; i < pmkid_len; i++) |
| if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN)) |
| break; |
| if (i < WL_NUM_PMKIDS_MAX) { |
| memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN); |
| memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); |
| if (i == pmkid_len) { |
| pmkid_len++; |
| pmkids->npmkid = cpu_to_le32(pmkid_len); |
| } |
| } else |
| err = -EINVAL; |
| |
| brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", |
| pmkids->pmkid[pmkid_len].BSSID); |
| for (i = 0; i < WLAN_PMKID_LEN; i++) |
| brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); |
| |
| err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
| |
| 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 pmkid_list pmkid; |
| s32 err = 0; |
| int i, pmkid_len; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| if (!check_vif_up(ifp->vif)) |
| return -EIO; |
| |
| memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); |
| memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); |
| |
| brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", |
| &pmkid.pmkid[0].BSSID); |
| for (i = 0; i < WLAN_PMKID_LEN; i++) |
| brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]); |
| |
| pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid); |
| for (i = 0; i < pmkid_len; i++) |
| if (!memcmp |
| (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID, |
| ETH_ALEN)) |
| break; |
| |
| if ((pmkid_len > 0) |
| && (i < pmkid_len)) { |
| memset(&cfg->pmk_list->pmkids.pmkid[i], 0, |
| sizeof(struct pmkid)); |
| for (; i < (pmkid_len - 1); i++) { |
| memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, |
| &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID, |
| ETH_ALEN); |
| memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID, |
| &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID, |
| WLAN_PMKID_LEN); |
| } |
| cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1); |
| } else |
| err = -EINVAL; |
| |
| err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
| |
| 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 = 0; |
| |
| 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(ndev, cfg->pmk_list, err); |
| |
| brcmf_dbg(TRACE, "Exit\n"); |
| return err; |
| |
| } |
| |
| /* |
| * 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 net_device *ndev = ifp->ndev; |
| 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->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); |
| err = brcmf_do_escan(cfg, wiphy, ndev, 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 net_device *ndev) |
| { |
| struct brcmf_pno_param_le pfn_param; |
| |
| 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); |
| |
| return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set", |
| &pfn_param, sizeof(pfn_param)); |
| } |
| |
| 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 (!request->n_ssids || !request->n_match_sets) { |
| brcmf_err("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 seperately. |
| */ |
| } |
| } |
| |
| 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 */ |
| ret = brcmf_dev_pno_config(ndev); |
| if (ret < 0) { |
| brcmf_err("PNO setup failed!! ret=%d\n", ret); |
| 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, ndev, true, true); |
| return 0; |
| } |
| |
| #ifdef CONFIG_NL80211_TESTMODE |
| static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| struct net_device *ndev = cfg_to_ndev(cfg); |
| struct brcmf_dcmd *dcmd = data; |
| struct sk_buff *reply; |
| int ret; |
| |
| brcmf_dbg(TRACE, "cmd %x set %d buf %p len %d\n", dcmd->cmd, dcmd->set, |
| dcmd->buf, dcmd->len); |
| |
| if (dcmd->set) |
| ret = brcmf_fil_cmd_data_set(netdev_priv(ndev), dcmd->cmd, |
| dcmd->buf, dcmd->len); |
| else |
| ret = brcmf_fil_cmd_data_get(netdev_priv(ndev), dcmd->cmd, |
| dcmd->buf, dcmd->len); |
| if (ret == 0) { |
| reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*dcmd)); |
| nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*dcmd), dcmd); |
| ret = cfg80211_testmode_reply(reply); |
| } |
| return ret; |
| } |
| #endif |
| |
| 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 net_device *ndev, struct brcmf_vs_tlv *wpa_ie, |
| bool is_rsn_ie) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| u32 auth = 0; /* d11 open authentication */ |
| u16 count; |
| s32 err = 0; |
| s32 len = 0; |
| 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; |
| |
| 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; |
| default: |
| brcmf_err("Ivalid key mgmt info\n"); |
| } |
| offset++; |
| } |
| |
| 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; |
| } |
| /* 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; |
| } |
| } |
| /* 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; |
| } |
| /* 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) |
| { |
| s32 err = 0; |
| 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 err; |
| } |
| |
| static u32 |
| brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) |
| { |
| |
| __le32 iecount_le; |
| __le32 pktflag_le; |
| |
| strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); |
| iebuf[VNDR_IE_CMD_LEN - 1] = '\0'; |
| |
| iecount_le = cpu_to_le32(1); |
| memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le)); |
| |
| pktflag_le = cpu_to_le32(pktflag); |
| memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le)); |
| |
| 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, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, 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_if *ifp = netdev_priv(ndev); |
| struct brcmf_tlv *ssid_ie; |
| struct brcmf_ssid_le ssid_le; |
| s32 err = -EPERM; |
| struct brcmf_tlv *rsn_ie; |
| 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; |
| |
| brcmf_dbg(TRACE, "channel_type=%d, beacon_interval=%d, dtim_period=%d,\n", |
| cfg80211_get_chandef_type(&settings->chandef), |
| 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; |
| |
| 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) |
| 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); |
| } |
| |
| brcmf_set_mpc(ndev, 0); |
| |
| /* 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(ndev, wpa_ie, false); |
| if (err < 0) |
| goto exit; |
| } else { |
| /* RSN IE */ |
| err = brcmf_configure_wpaie(ndev, |
| (struct brcmf_vs_tlv *)rsn_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); |
| |
| 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) { |
| 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; |
| } |
| if (dev_role == NL80211_IFTYPE_AP) { |
| 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; |
| } |
| 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; |
| } |
| |
| 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; |
| } |
| brcmf_dbg(TRACE, "AP mode configuration complete\n"); |
| } else { |
| 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.bsscfg_idx = cpu_to_le32(ifp->bssidx); |
| 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"); |
| } |
| clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); |
| set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); |
| |
| exit: |
| if (err) |
| brcmf_set_mpc(ndev, 1); |
| return err; |
| } |
| |
| static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) |
| { |
| struct brcmf_if *ifp = netdev_priv(ndev); |
| s32 err = -EPERM; |
| struct brcmf_fil_bss_enable_le bss_enable; |
| |
| 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); |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0); |
| if (err < 0) { |
| brcmf_err("setting AP mode failed %d\n", err); |
| goto exit; |
| } |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); |
| if (err < 0) { |
| brcmf_err("BRCMF_C_UP error %d\n", err); |
| goto exit; |
| } |
| } else { |
| bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); |
| 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(ndev, 1); |
| set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); |
| clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); |
| |
| exit: |
| 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, |
| u8 *mac) |
| { |
| 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 (!mac) |
| return -EFAULT; |
| |
| brcmf_dbg(TRACE, "Enter %pM\n", 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, mac, ETH_ALEN); |
| scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING); |
| 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 void |
| brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy, |
| struct wireless_dev *wdev, |
| u16 frame_type, bool reg) |
| { |
| struct brcmf_if *ifp = netdev_priv(wdev->netdev); |
| struct brcmf_cfg80211_vif *vif = ifp->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; |
| 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 ieee80211_channel *chan, bool offchan, |
| unsigned int wait, const u8 *buf, size_t len, |
| bool no_cck, bool dont_wait_for_ack, u64 *cookie) |
| { |
| struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| const struct ieee80211_mgmt *mgmt; |
| struct brcmf_if *ifp; |
| 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; |
| |
| 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; |
| } |
| |
| 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; |
| ifp = netdev_priv(wdev->netdev); |
| vif = ifp->vif; |
| 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 */ |
| chan_nr = ieee80211_frequency_to_channel(chan->center_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), |
| chan->center_freq); |
| |
| ack = brcmf_p2p_send_action_frame(cfg, wdev->netdev, |
| 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 struct cfg80211_ops wl_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, |
| .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, |
| .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, |
| #ifdef CONFIG_NL80211_TESTMODE |
| .testmode_cmd = brcmf_cfg80211_testmode |
| #endif |
| }; |
| |
| static s32 brcmf_nl80211_iftype_to_mode(enum nl80211_iftype type) |
| { |
| switch (type) { |
| case NL80211_IFTYPE_AP_VLAN: |
| case NL80211_IFTYPE_WDS: |
| case NL80211_IFTYPE_MONITOR: |
| case NL80211_IFTYPE_MESH_POINT: |
| return -ENOTSUPP; |
| case NL80211_IFTYPE_ADHOC: |
| return WL_MODE_IBSS; |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_P2P_CLIENT: |
| return WL_MODE_BSS; |
| case NL80211_IFTYPE_AP: |
| case NL80211_IFTYPE_P2P_GO: |
| return WL_MODE_AP; |
| case NL80211_IFTYPE_P2P_DEVICE: |
| return WL_MODE_P2P; |
| case NL80211_IFTYPE_UNSPECIFIED: |
| default: |
| break; |
| } |
| |
| return -EINVAL; |
| } |
| |
| 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; |
| } |
| |
| static const struct ieee80211_iface_limit brcmf_iface_limits[] = { |
| { |
| .max = 2, |
| .types = BIT(NL80211_IFTYPE_STATION) | |
| BIT(NL80211_IFTYPE_ADHOC) | |
| BIT(NL80211_IFTYPE_AP) |
| }, |
| { |
| .max = 1, |
| .types = BIT(NL80211_IFTYPE_P2P_DEVICE) |
| }, |
| { |
| .max = 1, |
| .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| BIT(NL80211_IFTYPE_P2P_GO) |
| }, |
| }; |
| static const struct ieee80211_iface_combination brcmf_iface_combos[] = { |
| { |
| .max_interfaces = BRCMF_IFACE_MAX_CNT, |
| .num_different_channels = 1, /* no multi-channel for now */ |
| .n_limits = ARRAY_SIZE(brcmf_iface_limits), |
| .limits = brcmf_iface_limits |
| } |
| }; |
| |
| 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) |
| } |
| }; |
| |
| static struct wiphy *brcmf_setup_wiphy(struct device *phydev) |
| { |
| struct wiphy *wiphy; |
| s32 err = 0; |
| |
| wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info)); |
| if (!wiphy) { |
| brcmf_err("Could not allocate wiphy device\n"); |
| return ERR_PTR(-ENOMEM); |
| } |
| set_wiphy_dev(wiphy, phydev); |
| wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; |
| wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; |
| wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; |
| wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| BIT(NL80211_IFTYPE_ADHOC) | |
| BIT(NL80211_IFTYPE_AP) | |
| BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| BIT(NL80211_IFTYPE_P2P_GO) | |
| BIT(NL80211_IFTYPE_P2P_DEVICE); |
| wiphy->iface_combinations = brcmf_iface_combos; |
| wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos); |
| wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; |
| wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set |
| * it as 11a by default. |
| * This will be updated with |
| * 11n phy tables in |
| * "ifconfig up" |
| * if phy has 11n capability |
| */ |
| wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
| wiphy->cipher_suites = __wl_cipher_suites; |
| wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); |
| wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | |
| WIPHY_FLAG_OFFCHAN_TX | |
| WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
| wiphy->mgmt_stypes = brcmf_txrx_stypes; |
| wiphy->max_remain_on_channel_duration = 5000; |
| brcmf_wiphy_pno_params(wiphy); |
| err = wiphy_register(wiphy); |
| if (err < 0) { |
| brcmf_err("Could not register wiphy device (%d)\n", err); |
| wiphy_free(wiphy); |
| return ERR_PTR(err); |
| } |
| return wiphy; |
| } |
| |
| struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, |
| enum nl80211_iftype type, |
| bool pm_block) |
| { |
| struct brcmf_cfg80211_vif *vif; |
| |
| if (cfg->vif_cnt == BRCMF_IFACE_MAX_CNT) |
| return ERR_PTR(-ENOSPC); |
| |
| 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; |
| |
| vif->mode = brcmf_nl80211_iftype_to_mode(type); |
| vif->pm_block = pm_block; |
| vif->roam_off = -1; |
| |
| brcmf_init_prof(&vif->profile); |
| |
| list_add_tail(&vif->list, &cfg->vif_list); |
| cfg->vif_cnt++; |
| return vif; |
| } |
| |
| void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) |
| { |
| struct brcmf_cfg80211_info *cfg; |
| struct wiphy *wiphy; |
| |
| wiphy = vif->wdev.wiphy; |
| cfg = wiphy_priv(wiphy); |
| list_del(&vif->list); |
| cfg->vif_cnt--; |
| |
| kfree(vif); |
| if (!cfg->vif_cnt) { |
| wiphy_unregister(wiphy); |
| wiphy_free(wiphy); |
| } |
| } |
| |
| 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_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; |
| u32 freq; |
| s32 err = 0; |
| u32 target_channel; |
| 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); |
| target_channel = bi->ctl_ch ? bi->ctl_ch : |
| CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); |
| |
| if (target_channel <= CH_MAX_2G_CHANNEL) |
| band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| else |
| band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| |
| freq = ieee80211_channel_to_frequency(target_channel, 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); |
| s32 err = 0; |
| |
| 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 err; |
| } |
| |
| 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)); |
| sinfo.filled = STATION_INFO_ASSOC_REQ_IES; |
| 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; |
| s32 err = 0; |
| |
| if (ifp->vif->mode == WL_MODE_AP) { |
| 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)) { |
| memcpy(profile->bssid, e->addr, ETH_ALEN); |
| wl_inform_ibss(cfg, ndev, e->addr); |
| cfg80211_ibss_joined(ndev, e->addr, 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); |
| } 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); |
| if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED, |
| &ifp->vif->sme_state)) |
| cfg80211_disconnected(ndev, 0, NULL, 0, |
| GFP_KERNEL); |
| } |
| brcmf_link_down(ifp->vif); |
| brcmf_init_prof(ndev_to_prof(ndev)); |
| if (ndev != cfg_to_ndev(cfg)) |
| complete(&cfg->vif_disabled); |
| } 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; |
| s32 err = 0; |
| 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 err; |
| } |
| |
| 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 bsscfg %u\n", |
| ifevent->action, ifevent->flags, ifevent->ifidx, |
| ifevent->bssidx); |
| |
| mutex_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) { |
| mutex_unlock(&event->vif_event_lock); |
| return -EBADF; |
| } |
| |
| ifp->vif = vif; |
| vif->ifp = ifp; |
| vif->wdev.netdev = ifp->ndev; |
| ifp->ndev->ieee80211_ptr = &vif->wdev; |
| SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); |
| mutex_unlock(&event->vif_event_lock); |
| wake_up(&event->vif_wq); |
| return 0; |
| |
| case BRCMF_E_IF_DEL: |
| ifp->vif = NULL; |
| mutex_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: |
| mutex_unlock(&event->vif_event_lock); |
| wake_up(&event->vif_wq); |
| return 0; |
| |
| default: |
| mutex_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; |
| conf->tx_power = -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->escan_ioctl_buf); |
| cfg->escan_ioctl_buf = NULL; |
| kfree(cfg->extra_buf); |
| cfg->extra_buf = NULL; |
| kfree(cfg->pmk_list); |
| cfg->pmk_list = 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->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); |
| if (!cfg->escan_ioctl_buf) |
| 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->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL); |
| if (!cfg->pmk_list) |
| 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->roam_on = true; /* roam on & off switch. |
| we enable roam per default */ |
| cfg->active_scan = true; /* we do active scan for |
| specific 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); |
| mutex_init(&event->vif_event_lock); |
| } |
| |
| struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, |
| struct device *busdev) |
| { |
| struct net_device *ndev = drvr->iflist[0]->ndev; |
| struct brcmf_cfg80211_info *cfg; |
| struct wiphy *wiphy; |
| struct brcmf_cfg80211_vif *vif; |
| struct brcmf_if *ifp; |
| s32 err = 0; |
| |
| if (!ndev) { |
| brcmf_err("ndev is invalid\n"); |
| return NULL; |
| } |
| |
| ifp = netdev_priv(ndev); |
| wiphy = brcmf_setup_wiphy(busdev); |
| if (IS_ERR(wiphy)) |
| return NULL; |
| |
| cfg = wiphy_priv(wiphy); |
| cfg->wiphy = wiphy; |
| cfg->pub = drvr; |
| init_vif_event(&cfg->vif_event); |
| INIT_LIST_HEAD(&cfg->vif_list); |
| |
| vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false); |
| if (IS_ERR(vif)) { |
| wiphy_free(wiphy); |
| return NULL; |
| } |
| |
| 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); |
| goto cfg80211_attach_out; |
| } |
| ifp->vif = vif; |
| |
| err = brcmf_p2p_attach(cfg); |
| if (err) { |
| brcmf_err("P2P initilisation failed (%d)\n", err); |
| goto cfg80211_p2p_attach_out; |
| } |
| |
| return cfg; |
| |
| cfg80211_p2p_attach_out: |
| wl_deinit_priv(cfg); |
| |
| cfg80211_attach_out: |
| brcmf_free_vif(vif); |
| wiphy_free(wiphy); |
| return NULL; |
| } |
| |
| void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) |
| { |
| struct brcmf_cfg80211_vif *vif; |
| struct brcmf_cfg80211_vif *tmp; |
| |
| wl_deinit_priv(cfg); |
| list_for_each_entry_safe(vif, tmp, &cfg->vif_list, list) { |
| brcmf_free_vif(vif); |
| } |
| } |
| |
| static s32 |
| brcmf_dongle_roam(struct brcmf_if *ifp, u32 roamvar, u32 bcn_timeout) |
| { |
| s32 err = 0; |
| __le32 roamtrigger[2]; |
| __le32 roam_delta[2]; |
| |
| /* |
| * Setup timeout if Beacons are lost and roam is |
| * off to report link down |
| */ |
| if (roamvar) { |
| err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); |
| if (err) { |
| brcmf_err("bcn_timeout error (%d)\n", err); |
| goto dongle_rom_out; |
| } |
| } |
| |
| /* |
| * Enable/Disable built-in roaming to allow supplicant |
| * to take care of roaming |
| */ |
| brcmf_dbg(INFO, "Internal Roaming = %s\n", roamvar ? "Off" : "On"); |
| err = brcmf_fil_iovar_int_set(ifp, "roam_off", roamvar); |
| if (err) { |
| brcmf_err("roam_off error (%d)\n", err); |
| goto dongle_rom_out; |
| } |
| |
| 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 dongle_rom_out; |
| } |
| |
| 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 dongle_rom_out; |
| } |
| |
| dongle_rom_out: |
| return err; |
| } |
| |
| static s32 |
| brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time, |
| s32 scan_unassoc_time, s32 scan_passive_time) |
| { |
| s32 err = 0; |
| |
| err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, |
| scan_assoc_time); |
| if (err) { |
| if (err == -EOPNOTSUPP) |
| brcmf_dbg(INFO, "Scan assoc time is not supported\n"); |
| else |
| 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, |
| scan_unassoc_time); |
| if (err) { |
| if (err == -EOPNOTSUPP) |
| brcmf_dbg(INFO, "Scan unassoc time is not supported\n"); |
| else |
| 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, |
| scan_passive_time); |
| if (err) { |
| if (err == -EOPNOTSUPP) |
| brcmf_dbg(INFO, "Scan passive time is not supported\n"); |
| else |
| brcmf_err("Scan passive time error (%d)\n", err); |
| goto dongle_scantime_out; |
| } |
| |
| dongle_scantime_out: |
| return err; |
| } |
| |
| static s32 wl_update_wiphybands(struct brcmf_cfg80211_info *cfg) |
| { |
| struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); |
| struct wiphy *wiphy; |
| s32 phy_list; |
| s8 phy; |
| s32 err = 0; |
| |
| err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_PHYLIST, |
| &phy_list, sizeof(phy_list)); |
| if (err) { |
| brcmf_err("error (%d)\n", err); |
| return err; |
| } |
| |
| phy = ((char *)&phy_list)[0]; |
| brcmf_dbg(INFO, "%c phy\n", phy); |
| if (phy == 'n' || phy == 'a') { |
| wiphy = cfg_to_wiphy(cfg); |
| wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n; |
| } |
| |
| return err; |
| } |
| |
| static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_info *cfg) |
| { |
| return wl_update_wiphybands(cfg); |
| } |
| |
| 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, WL_SCAN_CHANNEL_TIME, |
| WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); |
| |
| 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, (cfg->roam_on ? 0 : 1), WL_BEACON_TIMEOUT); |
| if (err) |
| goto default_conf_out; |
| err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype, |
| NULL, NULL); |
| if (err) |
| goto default_conf_out; |
| err = brcmf_dongle_probecap(cfg); |
| if (err) |
| goto default_conf_out; |
| |
| 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); |
| |
| /* 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; |
| } |
| |
| u32 wl_get_vif_state_all(struct brcmf_cfg80211_info *cfg, unsigned long state) |
| { |
| struct brcmf_cfg80211_vif *vif; |
| bool result = 0; |
| |
| list_for_each_entry(vif, &cfg->vif_list, list) { |
| if (test_bit(state, &vif->sme_state)) |
| result++; |
| } |
| return result; |
| } |
| |
| static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, |
| u8 action) |
| { |
| u8 evt_action; |
| |
| mutex_lock(&event->vif_event_lock); |
| evt_action = event->action; |
| mutex_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; |
| |
| mutex_lock(&event->vif_event_lock); |
| event->vif = vif; |
| event->action = 0; |
| mutex_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; |
| |
| mutex_lock(&event->vif_event_lock); |
| armed = event->vif != NULL; |
| mutex_unlock(&event->vif_event_lock); |
| |
| return armed; |
| } |
| int brcmf_cfg80211_wait_vif_event_timeout(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); |
| } |
| |