diff options
| author |   Hante Meuleman <meuleman@broadcom.com> | 2014-10-28 14:56:16 +0100 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2014-10-30 15:26:46 -0400 |
| commit | bfe8197582f369dea55e1ef431a51d0b227704c8 (patch) | |
| tree | b787b99b8327fddabbb3b297863b2586d56a9499 /drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | |
| parent | brcmfmac: (clean) Rename dhd_common.c in common.c (diff) | |
| download | linux-dev-bfe8197582f369dea55e1ef431a51d0b227704c8.tar.xz linux-dev-bfe8197582f369dea55e1ef431a51d0b227704c8.zip | |
brcmfmac: (clean) Rename files wl_cfg80211 to cfg80211
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 5862 |
1 files changed, 0 insertions, 5862 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c deleted file mode 100644 index 2560dff4151e..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ /dev/null @@ -1,5862 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ - -#include <linux/kernel.h> -#include <linux/etherdevice.h> -#include <linux/module.h> -#include <linux/vmalloc.h> -#include <net/cfg80211.h> -#include <net/netlink.h> - -#include <brcmu_utils.h> -#include <defs.h> -#include <brcmu_wifi.h> -#include "dhd.h" -#include "debug.h" -#include "tracepoint.h" -#include "fwil_types.h" -#include "p2p.h" -#include "btcoex.h" -#include "wl_cfg80211.h" -#include "feature.h" -#include "fwil.h" -#include "proto.h" -#include "vendor.h" -#include "bus.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 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 - -/* Band templates duplicated per wiphy. The channel info - * is filled in after querying the device. - */ -static const struct ieee80211_supported_band __wl_band_2ghz = { - .band = IEEE80211_BAND_2GHZ, - .bitrates = wl_g_rates, - .n_bitrates = wl_g_rates_size, -}; - -static const struct ieee80211_supported_band __wl_band_5ghz_a = { - .band = IEEE80211_BAND_5GHZ, - .bitrates = wl_a_rates, - .n_bitrates = wl_a_rates_size, -}; - -/* This is to override regulatory domains defined in cfg80211 module (reg.c) - * By default world regulatory domain defined in reg.c puts the flags - * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165). - * With respect to these flags, wpa_supplicant doesn't * start p2p - * operations on 5GHz channels. All the changes in world regulatory - * domain are to be done here. - */ -static const struct ieee80211_regdomain brcmf_regdom = { - .n_reg_rules = 4, - .alpha2 = "99", - .reg_rules = { - /* IEEE 802.11b/g, channels 1..11 */ - REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), - /* If any */ - /* IEEE 802.11 channel 14 - Only JP enables - * this and for 802.11b only - */ - REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), - /* IEEE 802.11a, channel 36..64 */ - REG_RULE(5150-10, 5350+10, 80, 6, 20, 0), - /* IEEE 802.11a, channel 100..165 */ - REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), } -}; - -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]; -}; - -static int brcmf_roamoff; -module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR); -MODULE_PARM_DESC(roamoff, "do not use internal roaming engine"); - -/* 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; -} - -static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, - struct cfg80211_chan_def *ch) -{ - struct brcmu_chan ch_inf; - s32 primary_offset; - - brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n", - ch->chan->center_freq, ch->center_freq1, ch->width); - ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1); - primary_offset = ch->center_freq1 - ch->chan->center_freq; - switch (ch->width) { - case NL80211_CHAN_WIDTH_20: - ch_inf.bw = BRCMU_CHAN_BW_20; - WARN_ON(primary_offset != 0); - break; - case NL80211_CHAN_WIDTH_40: - ch_inf.bw = BRCMU_CHAN_BW_40; - if (primary_offset < 0) - ch_inf.sb = BRCMU_CHAN_SB_U; - else - ch_inf.sb = BRCMU_CHAN_SB_L; - break; - case NL80211_CHAN_WIDTH_80: - ch_inf.bw = BRCMU_CHAN_BW_80; - if (primary_offset < 0) { - if (primary_offset < -CH_10MHZ_APART) - ch_inf.sb = BRCMU_CHAN_SB_UU; - else - ch_inf.sb = BRCMU_CHAN_SB_UL; - } else { - if (primary_offset > CH_10MHZ_APART) - ch_inf.sb = BRCMU_CHAN_SB_LL; - else - ch_inf.sb = BRCMU_CHAN_SB_LU; - } - break; - default: - WARN_ON_ONCE(1); - } - switch (ch->chan->band) { - case IEEE80211_BAND_2GHZ: - ch_inf.band = BRCMU_CHAN_BAND_2G; - break; - case IEEE80211_BAND_5GHZ: - ch_inf.band = BRCMU_CHAN_BAND_5G; - break; - default: - WARN_ON_ONCE(1); - } - d11inf->encchspec(&ch_inf); - - return ch_inf.chspec; -} - -u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, - struct ieee80211_channel *ch) -{ - struct brcmu_chan ch_inf; - - ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq); - ch_inf.bw = BRCMU_CHAN_BW_20; - d11inf->encchspec(&ch_inf); - - return ch_inf.chspec; -} - -/* Traverse a string of 1-byte tag/1-byte length/variable-length value - * triples, returning a pointer to the substring whose first element - * matches tag - */ -const struct brcmf_tlv * -brcmf_parse_tlvs(const void *buf, int buflen, uint key) -{ - const struct brcmf_tlv *elt = buf; - int totlen = buflen; - - /* find tagged parameter */ - while (totlen >= TLV_HDR_LEN) { - int len = elt->len; - - /* validate remaining totlen */ - if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) - return elt; - - elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN)); - totlen -= (len + TLV_HDR_LEN); - } - - return NULL; -} - -/* Is any of the tlvs the expected entry? If - * not update the tlvs buffer pointer/length. - */ -static bool -brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, - const u8 *oui, u32 oui_len, u8 type) -{ - /* If the contents match the OUI and the type */ - if (ie[TLV_LEN_OFF] >= oui_len + 1 && - !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && - type == ie[TLV_BODY_OFF + oui_len]) { - return true; - } - - if (tlvs == NULL) - return false; - /* point to the next ie */ - ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; - /* calculate the length of the rest of the buffer */ - *tlvs_len -= (int)(ie - *tlvs); - /* update the pointer to the start of the buffer */ - *tlvs = ie; - - return false; -} - -static struct brcmf_vs_tlv * -brcmf_find_wpaie(const u8 *parse, u32 len) -{ - const struct brcmf_tlv *ie; - - while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { - if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len, - WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) - return (struct brcmf_vs_tlv *)ie; - } - return NULL; -} - -static struct brcmf_vs_tlv * -brcmf_find_wpsie(const u8 *parse, u32 len) -{ - const struct brcmf_tlv *ie; - - while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { - if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, - WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE)) - return (struct brcmf_vs_tlv *)ie; - } - return NULL; -} - - -static 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 s32 -brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable) -{ - s32 err; - u32 mode; - - if (enable) - mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY; - else - mode = 0; - - /* Try to set and enable ARP offload feature, this may fail, then it */ - /* is simply not supported and err 0 will be returned */ - err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode); - if (err) { - brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n", - mode, err); - err = 0; - } else { - err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable); - if (err) { - brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n", - enable, err); - err = 0; - } else - brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n", - enable, mode); - } - - return err; -} - -static void -brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev) -{ - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - ifp = vif->ifp; - - if ((wdev->iftype == NL80211_IFTYPE_ADHOC) || - (wdev->iftype == NL80211_IFTYPE_AP) || - (wdev->iftype == NL80211_IFTYPE_P2P_GO)) - brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, - ADDR_DIRECT); - else - brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, - ADDR_INDIRECT); -} - -static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif) -{ - enum nl80211_iftype iftype; - - iftype = vif->wdev.iftype; - return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO; -} - -static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) -{ - return vif->wdev.iftype == NL80211_IFTYPE_ADHOC; -} - -static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, - const char *name, - enum nl80211_iftype type, - u32 *flags, - struct vif_params *params) -{ - struct wireless_dev *wdev; - - 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: - case NL80211_IFTYPE_P2P_DEVICE: - wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params); - if (!IS_ERR(wdev)) - brcmf_cfg80211_update_proto_addr_mode(wdev); - return wdev; - case NL80211_IFTYPE_UNSPECIFIED: - default: - return ERR_PTR(-EINVAL); - } -} - -static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc) -{ - if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC)) - brcmf_set_mpc(ifp, mpc); -} - -void brcmf_set_mpc(struct brcmf_if *ifp, int mpc) -{ - s32 err = 0; - - if (check_vif_up(ifp->vif)) { - err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); - if (err) { - brcmf_err("fail to set mpc\n"); - return; - } - brcmf_dbg(INFO, "MPC : %d\n", mpc); - } -} - -s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp, bool aborted, - bool fw_abort) -{ - struct brcmf_scan_params_le params_le; - struct cfg80211_scan_request *scan_request; - s32 err = 0; - - brcmf_dbg(SCAN, "Enter\n"); - - /* clear scan request, because the FW abort can cause a second call */ - /* to this functon and might cause a double cfg80211_scan_done */ - scan_request = cfg->scan_request; - cfg->scan_request = NULL; - - if (timer_pending(&cfg->escan_timeout)) - del_timer_sync(&cfg->escan_timeout); - - if (fw_abort) { - /* Do a scan abort to stop the driver's scan engine */ - brcmf_dbg(SCAN, "ABORT scan in firmware\n"); - memset(¶ms_le, 0, sizeof(params_le)); - 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(ifp, BRCMF_C_SCAN, - ¶ms_le, sizeof(params_le)); - if (err) - brcmf_err("Scan abort failed\n"); - } - - brcmf_scan_config_mpc(ifp, 1); - - /* - * e-scan can be initiated by scheduled scan - * which takes precedence. - */ - if (cfg->sched_escan) { - brcmf_dbg(SCAN, "scheduled scan completed\n"); - cfg->sched_escan = false; - if (!aborted) - cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); - } else if (scan_request) { - brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", - aborted ? "Aborted" : "Done"); - cfg80211_scan_done(scan_request, aborted); - } - 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.ifp == netdev_priv(ndev)) - brcmf_notify_escan_complete(cfg, netdev_priv(ndev), - true, true); - - brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1); - } - - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_AP: - 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: - case NL80211_IFTYPE_P2P_DEVICE: - return brcmf_p2p_del_vif(wiphy, wdev); - case NL80211_IFTYPE_UNSPECIFIED: - default: - return -EINVAL; - } - return -EOPNOTSUPP; -} - -static s32 -brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_vif *vif = ifp->vif; - s32 infra = 0; - s32 ap = 0; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter, 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: - 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; - } - infra = 1; - break; - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_P2P_GO: - ap = 1; - break; - default: - err = -EINVAL; - goto done; - } - - if (ap) { - if (type == NL80211_IFTYPE_P2P_GO) { - brcmf_dbg(INFO, "IF Type = P2P GO\n"); - err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO); - } - if (!err) { - 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", brcmf_is_ibssmode(vif) ? - "Adhoc" : "Infra"); - } - ndev->ieee80211_ptr->iftype = type; - - brcmf_cfg80211_update_proto_addr_mode(&vif->wdev); - -done: - brcmf_dbg(TRACE, "Exit\n"); - - return err; -} - -static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg, - struct brcmf_scan_params_le *params_le, - struct cfg80211_scan_request *request) -{ - u32 n_ssids; - u32 n_channels; - s32 i; - s32 offset; - u16 chanspec; - char *ptr; - struct brcmf_ssid_le ssid_le; - - 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(&cfg->d11inf, - request->channels[i]); - brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n", - request->channels[i]->hw_value, chanspec); - params_le->channel_list[i] = cpu_to_le16(chanspec); - } - } else { - brcmf_dbg(SCAN, "Scanning all channels\n"); - } - /* Copy ssid array if applicable */ - brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids); - if (n_ssids > 0) { - offset = offsetof(struct brcmf_scan_params_le, channel_list) + - n_channels * sizeof(u16); - offset = roundup(offset, sizeof(u32)); - ptr = (char *)params_le + offset; - for (i = 0; i < n_ssids; i++) { - memset(&ssid_le, 0, sizeof(ssid_le)); - ssid_le.SSID_len = - cpu_to_le32(request->ssids[i].ssid_len); - memcpy(ssid_le.SSID, request->ssids[i].ssid, - request->ssids[i].ssid_len); - if (!ssid_le.SSID_len) - brcmf_dbg(SCAN, "%d: Broadcast scan\n", i); - else - brcmf_dbg(SCAN, "%d: scan for %s size =%d\n", - i, ssid_le.SSID, ssid_le.SSID_len); - memcpy(ptr, &ssid_le, sizeof(ssid_le)); - ptr += sizeof(ssid_le); - } - } else { - brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids); - if ((request->ssids) && request->ssids->ssid_len) { - brcmf_dbg(SCAN, "SSID %s len=%d\n", - params_le->ssid_le.SSID, - request->ssids->ssid_len); - params_le->ssid_le.SSID_len = - cpu_to_le32(request->ssids->ssid_len); - memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, - request->ssids->ssid_len); - } - } - /* Adding mask to channel numbers */ - params_le->channel_num = - cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | - (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); -} - -static s32 -brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, - struct cfg80211_scan_request *request, 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(cfg, ¶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(ifp, "escan", params, params_size); - if (err) { - if (err == -EBUSY) - brcmf_dbg(INFO, "system busy : escan canceled\n"); - else - brcmf_err("error (%d)\n", err); - } - - kfree(params); -exit: - return err; -} - -static s32 -brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, - struct brcmf_if *ifp, struct cfg80211_scan_request *request) -{ - s32 err; - u32 passive_scan; - struct brcmf_scan_results *results; - struct escan_info *escan = &cfg->escan_info; - - brcmf_dbg(SCAN, "Enter\n"); - escan->ifp = ifp; - escan->wiphy = wiphy; - escan->escan_state = WL_ESCAN_STATE_SCANNING; - passive_scan = cfg->active_scan ? 0 : 1; - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, - passive_scan); - if (err) { - brcmf_err("error (%d)\n", err); - return err; - } - brcmf_scan_config_mpc(ifp, 0); - results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; - results->version = 0; - results->count = 0; - results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; - - err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START); - if (err) - brcmf_scan_config_mpc(ifp, 1); - return err; -} - -static s32 -brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif, - struct cfg80211_scan_request *request, - struct cfg80211_ssid *this_ssid) -{ - struct brcmf_if *ifp = vif->ifp; - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct cfg80211_ssid *ssids; - 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_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { - brcmf_err("Scanning suppressed: status (%lu)\n", - cfg->scan_status); - return -EAGAIN; - } - if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) { - brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state); - return -EAGAIN; - } - - /* If scan req comes for p2p0, send it over primary I/F */ - if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) - vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; - - /* 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, vif); - if (err) - goto scan_out; - - err = brcmf_do_escan(cfg, wiphy, vif->ifp, request); - if (err) - goto scan_out; - } else { - brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n", - ssids->ssid, ssids->ssid_len); - memset(&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_scan_config_mpc(ifp, 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_scan_config_mpc(ifp, 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 brcmf_cfg80211_vif *vif; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev); - if (!check_vif_up(vif)) - return -EIO; - - err = brcmf_cfg80211_escan(wiphy, vif, request, NULL); - - if (err) - brcmf_err("scan error (%d)\n", err); - - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) -{ - s32 err = 0; - - err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh", - rts_threshold); - if (err) - brcmf_err("Error (%d)\n", err); - - return err; -} - -static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) -{ - s32 err = 0; - - err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh", - frag_threshold); - if (err) - brcmf_err("Error (%d)\n", err); - - return err; -} - -static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) -{ - s32 err = 0; - u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL); - - err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry); - if (err) { - brcmf_err("cmd (%d) , error (%d)\n", cmd, err); - return err; - } - return err; -} - -static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - if (changed & WIPHY_PARAM_RTS_THRESHOLD && - (cfg->conf->rts_threshold != wiphy->rts_threshold)) { - cfg->conf->rts_threshold = wiphy->rts_threshold; - err = brcmf_set_rts(ndev, cfg->conf->rts_threshold); - if (!err) - goto done; - } - if (changed & WIPHY_PARAM_FRAG_THRESHOLD && - (cfg->conf->frag_threshold != wiphy->frag_threshold)) { - cfg->conf->frag_threshold = wiphy->frag_threshold; - err = brcmf_set_frag(ndev, cfg->conf->frag_threshold); - if (!err) - goto done; - } - if (changed & WIPHY_PARAM_RETRY_LONG - && (cfg->conf->retry_long != wiphy->retry_long)) { - cfg->conf->retry_long = wiphy->retry_long; - err = brcmf_set_retry(ndev, cfg->conf->retry_long, true); - if (!err) - goto done; - } - if (changed & WIPHY_PARAM_RETRY_SHORT - && (cfg->conf->retry_short != wiphy->retry_short)) { - cfg->conf->retry_short = wiphy->retry_short; - err = brcmf_set_retry(ndev, cfg->conf->retry_short, false); - if (!err) - goto done; - } - -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) -{ - memset(prof, 0, sizeof(*prof)); -} - -static void brcmf_link_down(struct brcmf_cfg80211_vif *vif) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy); - 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); - cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL); - - } - clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); - clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); - brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); - brcmf_dbg(TRACE, "Exit\n"); -} - -static s32 -brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_ibss_params *params) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct brcmf_join_params join_params; - size_t join_params_size = 0; - s32 err = 0; - s32 wsec = 0; - s32 bcnprd; - u16 chanspec; - - 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 = chandef_to_chanspec(&cfg->d11inf, - ¶ms->chandef); - join_params.params_le.chanspec_list[0] = - cpu_to_le16(chanspec); - join_params.params_le.chanspec_num = cpu_to_le32(1); - join_params_size += sizeof(join_params.params_le); - } - - /* set channel for starter */ - target_channel = cfg->channel; - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL, - target_channel); - if (err) { - brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err); - goto done; - } - } else - cfg->channel = 0; - - cfg->ibss_starter = false; - - - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, - &join_params, join_params_size); - if (err) { - brcmf_err("WLC_SET_SSID failed (%d)\n", err); - goto done; - } - -done: - if (err) - clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - brcmf_link_down(ifp->vif); - - brcmf_dbg(TRACE, "Exit\n"); - - return 0; -} - -static s32 brcmf_set_wpa_version(struct net_device *ndev, - struct cfg80211_connect_params *sme) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_cfg80211_security *sec; - s32 val = 0; - s32 err = 0; - - if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) - val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; - else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) - val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; - else - val = WPA_AUTH_DISABLED; - brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val); - err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); - if (err) { - brcmf_err("set wpa_auth failed (%d)\n", err); - return err; - } - sec = &profile->sec; - sec->wpa_versions = sme->crypto.wpa_versions; - return err; -} - -static s32 brcmf_set_auth_type(struct net_device *ndev, - struct cfg80211_connect_params *sme) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_cfg80211_security *sec; - s32 val = 0; - s32 err = 0; - - switch (sme->auth_type) { - case NL80211_AUTHTYPE_OPEN_SYSTEM: - val = 0; - brcmf_dbg(CONN, "open system\n"); - break; - case NL80211_AUTHTYPE_SHARED_KEY: - val = 1; - brcmf_dbg(CONN, "shared key\n"); - break; - 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_wsec_mode(struct net_device *ndev, - struct cfg80211_connect_params *sme, bool mfp) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_cfg80211_security *sec; - s32 pval = 0; - s32 gval = 0; - s32 wsec; - s32 err = 0; - - if (sme->crypto.n_ciphers_pairwise) { - switch (sme->crypto.ciphers_pairwise[0]) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - pval = WEP_ENABLED; - break; - case WLAN_CIPHER_SUITE_TKIP: - pval = TKIP_ENABLED; - break; - case WLAN_CIPHER_SUITE_CCMP: - pval = AES_ENABLED; - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - pval = AES_ENABLED; - break; - default: - brcmf_err("invalid cipher pairwise (%d)\n", - sme->crypto.ciphers_pairwise[0]); - return -EINVAL; - } - } - if (sme->crypto.cipher_group) { - switch (sme->crypto.cipher_group) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - gval = WEP_ENABLED; - break; - case WLAN_CIPHER_SUITE_TKIP: - gval = TKIP_ENABLED; - break; - case WLAN_CIPHER_SUITE_CCMP: - gval = AES_ENABLED; - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - gval = AES_ENABLED; - break; - default: - brcmf_err("invalid cipher group (%d)\n", - sme->crypto.cipher_group); - return -EINVAL; - } - } - - brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval); - /* In case of privacy, but no security and WPS then simulate */ - /* setting AES. WPS-2.0 allows no security */ - if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval && - sme->privacy) - pval = AES_ENABLED; - - if (mfp) - wsec = pval | gval | MFP_CAPABLE; - else - wsec = pval | gval; - err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec); - if (err) { - brcmf_err("error (%d)\n", err); - return err; - } - - sec = &profile->sec; - sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; - sec->cipher_group = sme->crypto.cipher_group; - - return err; -} - -static s32 -brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) -{ - struct brcmf_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) -{ - if (type == NL80211_AUTHTYPE_AUTOMATIC && - brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) { - brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n"); - type = NL80211_AUTHTYPE_OPEN_SYSTEM; - } - return type; -} - -static 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; - const struct brcmf_tlv *rsn_ie; - const struct brcmf_vs_tlv *wpa_ie; - const void *ie; - u32 ie_len; - struct brcmf_ext_join_params_le *ext_join_params; - u16 chanspec; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - if (!sme->ssid) { - brcmf_err("Invalid ssid\n"); - return -EOPNOTSUPP; - } - - if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) { - /* A normal (non P2P) connection request setup. */ - ie = NULL; - ie_len = 0; - /* find the WPA_IE */ - wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len); - if (wpa_ie) { - ie = wpa_ie; - ie_len = wpa_ie->len + TLV_HDR_LEN; - } else { - /* find the RSN_IE */ - rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, - sme->ie_len, - WLAN_EID_RSN); - if (rsn_ie) { - ie = rsn_ie; - ie_len = rsn_ie->len + TLV_HDR_LEN; - } - } - brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len); - } - - err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, - sme->ie, sme->ie_len); - if (err) - brcmf_err("Set Assoc REQ IE Failed\n"); - else - brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); - - set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); - - if (chan) { - cfg->channel = - ieee80211_frequency_to_channel(chan->center_freq); - chanspec = channel_to_chanspec(&cfg->d11inf, chan); - brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", - cfg->channel, chan->center_freq, chanspec); - } else { - cfg->channel = 0; - chanspec = 0; - } - - brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); - - err = brcmf_set_wpa_version(ndev, sme); - if (err) { - brcmf_err("wl_set_wpa_version failed (%d)\n", err); - goto done; - } - - sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type); - err = brcmf_set_auth_type(ndev, sme); - if (err) { - brcmf_err("wl_set_auth_type failed (%d)\n", err); - goto done; - } - - err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED); - 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); - - /* Set up join scan parameters */ - ext_join_params->scan_le.scan_type = -1; - ext_join_params->scan_le.home_time = cpu_to_le32(-1); - - if (sme->bssid) - memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN); - else - 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); - /* Increase dwell time to receive probe response or detect - * beacon from target AP at a noisy air only during connect - * command. - */ - ext_join_params->scan_le.active_time = - cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS); - ext_join_params->scan_le.passive_time = - cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS); - /* To sync with presence period of VSDB GO send probe request - * more frequently. Probe request will be stopped when it gets - * probe response from target AP/GO. - */ - ext_join_params->scan_le.nprobes = - cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS / - BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS); - } else { - ext_join_params->scan_le.active_time = cpu_to_le32(-1); - ext_join_params->scan_le.passive_time = cpu_to_le32(-1); - ext_join_params->scan_le.nprobes = cpu_to_le32(-1); - } - - 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); - cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL); - - memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); - scbval.val = cpu_to_le32(reason_code); - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC, - &scbval, sizeof(scbval)); - if (err) - brcmf_err("error (%d)\n", err); - - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, - enum nl80211_tx_power_setting type, s32 mbm) -{ - - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - 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_if *ifp = netdev_priv(ndev); - struct brcmf_wsec_key key; - s32 err = 0; - u8 keybuf[8]; - - 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 (!brcmf_is_apmode(ifp->vif) && - (params->cipher == WLAN_CIPHER_SUITE_TKIP)) { - brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); - memcpy(keybuf, &key.data[24], sizeof(keybuf)); - memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); - memcpy(&key.data[16], keybuf, sizeof(keybuf)); - } - - /* 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 && - (params->cipher != WLAN_CIPHER_SUITE_WEP40) && - (params->cipher != WLAN_CIPHER_SUITE_WEP104)) { - 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 (!brcmf_is_apmode(ifp->vif)) { - brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); - memcpy(keybuf, &key.data[24], sizeof(keybuf)); - memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); - memcpy(&key.data[16], keybuf, sizeof(keybuf)); - } - key.algo = CRYPTO_ALGO_TKIP; - val = TKIP_ENABLED; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - key.algo = CRYPTO_ALGO_AES_CCM; - val = AES_ENABLED; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); - break; - case WLAN_CIPHER_SUITE_CCMP: - key.algo = CRYPTO_ALGO_AES_CCM; - val = AES_ENABLED; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); - break; - default: - brcmf_err("Invalid cipher (0x%x)\n", params->cipher); - err = -EINVAL; - goto done; - } - - err = send_key_to_dongle(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; - } - if (wsec & WEP_ENABLED) { - sec = &profile->sec; - if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { - params.cipher = WLAN_CIPHER_SUITE_WEP40; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); - } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { - params.cipher = WLAN_CIPHER_SUITE_WEP104; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); - } - } else if (wsec & TKIP_ENABLED) { - params.cipher = WLAN_CIPHER_SUITE_TKIP; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); - } else if (wsec & AES_ENABLED) { - params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); - } else { - brcmf_err("Invalid algo (0x%x)\n", wsec); - err = -EINVAL; - goto done; - } - callback(cookie, ¶ms); - -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, - struct net_device *ndev, u8 key_idx) -{ - brcmf_dbg(INFO, "Not supported\n"); - - return -EOPNOTSUPP; -} - -static s32 -brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, - const u8 *mac, struct station_info *sinfo) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_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; - u32 beacon_period; - u32 dtim_period; - - brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); - if (!check_vif_up(ifp->vif)) - return -EIO; - - if (brcmf_is_apmode(ifp->vif)) { - 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->wdev.iftype == NL80211_IFTYPE_STATION) { - 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); - } - err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD, - &beacon_period); - if (err) { - brcmf_err("Could not get beacon period (%d)\n", - err); - goto done; - } else { - sinfo->bss_param.beacon_interval = - beacon_period; - brcmf_dbg(CONN, "Beacon peroid %d\n", - beacon_period); - } - err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD, - &dtim_period); - if (err) { - brcmf_err("Could not get DTIM period (%d)\n", - err); - goto done; - } else { - sinfo->bss_param.dtim_period = dtim_period; - brcmf_dbg(CONN, "DTIM peroid %d\n", - dtim_period); - } - sinfo->filled |= STATION_INFO_BSS_PARAM; - } - } 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; - /* Do not enable the power save after assoc if it is a p2p interface */ - if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) { - brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); - pm = PM_OFF; - } - brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled")); - - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm); - if (err) { - if (err == -ENODEV) - brcmf_err("net_device is not ready yet\n"); - else - brcmf_err("error (%d)\n", err); - } -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, - struct brcmf_bss_info_le *bi) -{ - struct wiphy *wiphy = cfg_to_wiphy(cfg); - struct ieee80211_channel *notify_channel; - struct cfg80211_bss *bss; - struct ieee80211_supported_band *band; - struct brcmu_chan ch; - u16 channel; - u32 freq; - u16 notify_capability; - u16 notify_interval; - u8 *notify_ie; - size_t notify_ielen; - s32 notify_signal; - - if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { - brcmf_err("Bss info is larger than buffer. Discarding\n"); - return 0; - } - - if (!bi->ctl_ch) { - ch.chspec = le16_to_cpu(bi->chanspec); - cfg->d11inf.decchspec(&ch); - bi->ctl_ch = ch.chnum; - } - channel = bi->ctl_ch; - - 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, - CFG80211_BSS_FTYPE_UNKNOWN, - (const u8 *)bi->BSSID, - 0, notify_capability, - notify_interval, notify_ie, - notify_ielen, notify_signal, - GFP_KERNEL); - - if (!bss) - return -ENOMEM; - - cfg80211_put_bss(wiphy, bss); - - return 0; -} - -static struct brcmf_bss_info_le * -next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) -{ - if (bss == NULL) - return list->bss_info_le; - return (struct brcmf_bss_info_le *)((unsigned long)bss + - le32_to_cpu(bss->length)); -} - -static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_scan_results *bss_list; - struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ - s32 err = 0; - int i; - - bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; - if (bss_list->count != 0 && - bss_list->version != BRCMF_BSS_INFO_VERSION) { - brcmf_err("Version %d != WL_BSS_INFO_VERSION\n", - bss_list->version); - return -EOPNOTSUPP; - } - brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count); - for (i = 0; i < bss_list->count; i++) { - bi = next_bss_le(bss_list, bi); - err = brcmf_inform_single_bss(cfg, bi); - if (err) - break; - } - return err; -} - -static s32 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; - struct brcmu_chan ch; - u8 *buf = NULL; - s32 err = 0; - u32 freq; - u16 notify_capability; - u16 notify_interval; - u8 *notify_ie; - size_t notify_ielen; - s32 notify_signal; - - brcmf_dbg(TRACE, "Enter\n"); - - buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); - if (buf == NULL) { - err = -ENOMEM; - goto CleanUp; - } - - *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); - - err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO, - buf, WL_BSS_INFO_MAX); - if (err) { - brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err); - goto CleanUp; - } - - bi = (struct brcmf_bss_info_le *)(buf + 4); - - ch.chspec = le16_to_cpu(bi->chanspec); - cfg->d11inf.decchspec(&ch); - - if (ch.band == BRCMU_CHAN_BAND_2G) - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - else - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - - freq = ieee80211_channel_to_frequency(ch.chnum, 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", ch.chnum, freq); - brcmf_dbg(CONN, "capability: %X\n", notify_capability); - brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval); - brcmf_dbg(CONN, "signal: %d\n", notify_signal); - - bss = cfg80211_inform_bss(wiphy, notify_channel, - CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0, - notify_capability, notify_interval, - notify_ie, notify_ielen, notify_signal, - GFP_KERNEL); - - if (!bss) { - err = -ENOMEM; - goto CleanUp; - } - - cfg80211_put_bss(wiphy, bss); - -CleanUp: - - kfree(buf); - - brcmf_dbg(TRACE, "Exit\n"); - - return err; -} - -static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev); - struct brcmf_bss_info_le *bi; - struct brcmf_ssid *ssid; - const struct brcmf_tlv *tim; - u16 beacon_interval; - u8 dtim_period; - size_t ie_len; - u8 *ie; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - if (brcmf_is_ibssmode(ifp->vif)) - return err; - - 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->ifp, true, true); - } - clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); - clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); -} - -static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) -{ - struct brcmf_cfg80211_info *cfg = - container_of(work, struct brcmf_cfg80211_info, - escan_timeout_work); - - brcmf_inform_bss(cfg); - brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true); -} - -static void brcmf_escan_timeout(unsigned long data) -{ - struct brcmf_cfg80211_info *cfg = - (struct brcmf_cfg80211_info *)data; - - if (cfg->scan_request) { - brcmf_err("timer expired\n"); - schedule_work(&cfg->escan_timeout_work); - } -} - -static s32 -brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg, - struct brcmf_bss_info_le *bss, - struct brcmf_bss_info_le *bss_info_le) -{ - struct brcmu_chan ch_bss, ch_bss_info_le; - - ch_bss.chspec = le16_to_cpu(bss->chanspec); - cfg->d11inf.decchspec(&ch_bss); - ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec); - cfg->d11inf.decchspec(&ch_bss_info_le); - - if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && - ch_bss.band == ch_bss_info_le.band && - bss_info_le->SSID_len == bss->SSID_len && - !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { - if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == - (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) { - s16 bss_rssi = le16_to_cpu(bss->RSSI); - s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); - - /* preserve max RSSI if the measurements are - * both on-channel or both off-channel - */ - if (bss_info_rssi > bss_rssi) - bss->RSSI = bss_info_le->RSSI; - } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) && - (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) { - /* preserve the on-channel rssi measurement - * if the new measurement is off channel - */ - bss->RSSI = bss_info_le->RSSI; - bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL; - } - return 1; - } - return 0; -} - -static s32 -brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - s32 status; - struct brcmf_escan_result_le *escan_result_le; - struct brcmf_bss_info_le *bss_info_le; - struct brcmf_bss_info_le *bss = NULL; - u32 bi_length; - struct brcmf_scan_results *list; - u32 i; - bool aborted; - - status = e->status; - - if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { - brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx); - 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(cfg, bss, - bss_info_le)) - goto exit; - } - memcpy(&(cfg->escan_info.escan_buf[list->buflen]), - bss_info_le, bi_length); - list->version = le32_to_cpu(bss_info_le->version); - list->buflen += bi_length; - list->count++; - } else { - cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; - if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) - goto exit; - if (cfg->scan_request) { - brcmf_inform_bss(cfg); - aborted = status != BRCMF_E_STATUS_SUCCESS; - brcmf_notify_escan_complete(cfg, ifp, aborted, false); - } else - brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", - status); - } -exit: - return 0; -} - -static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) -{ - brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT, - brcmf_cfg80211_escan_handler); - cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; - /* Init scan_timeout timer */ - init_timer(&cfg->escan_timeout); - cfg->escan_timeout.data = (unsigned long) cfg; - cfg->escan_timeout.function = brcmf_escan_timeout; - INIT_WORK(&cfg->escan_timeout_work, - brcmf_cfg80211_escan_timeout_worker); -} - -static __always_inline void brcmf_delay(u32 ms) -{ - if (ms < 1000 / HZ) { - cond_resched(); - mdelay(ms); - } else { - msleep(ms); - } -} - -static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4], - u8 *pattern, u32 patternsize, u8 *mask, - u32 packet_offset) -{ - struct brcmf_fil_wowl_pattern_le *filter; - u32 masksize; - u32 patternoffset; - u8 *buf; - u32 bufsize; - s32 ret; - - masksize = (patternsize + 7) / 8; - patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize; - - bufsize = sizeof(*filter) + patternsize + masksize; - buf = kzalloc(bufsize, GFP_KERNEL); - if (!buf) - return -ENOMEM; - filter = (struct brcmf_fil_wowl_pattern_le *)buf; - - memcpy(filter->cmd, cmd, 4); - filter->masksize = cpu_to_le32(masksize); - filter->offset = cpu_to_le32(packet_offset); - filter->patternoffset = cpu_to_le32(patternoffset); - filter->patternsize = cpu_to_le32(patternsize); - filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP); - - if ((mask) && (masksize)) - memcpy(buf + sizeof(*filter), mask, masksize); - if ((pattern) && (patternsize)) - memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize); - - ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize); - - kfree(buf); - return ret; -} - -static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter\n"); - - if (cfg->wowl_enabled) { - brcmf_configure_arp_offload(ifp, true); - brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, - cfg->pre_wowl_pmmode); - brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0); - brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0); - cfg->wowl_enabled = false; - } - return 0; -} - -static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp, - struct cfg80211_wowlan *wowl) -{ - u32 wowl_config; - u32 i; - - brcmf_dbg(TRACE, "Suspend, wowl config.\n"); - - brcmf_configure_arp_offload(ifp, false); - brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode); - brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX); - - wowl_config = 0; - if (wowl->disconnect) - wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR; - if (wowl->magic_pkt) - wowl_config |= BRCMF_WOWL_MAGIC; - if ((wowl->patterns) && (wowl->n_patterns)) { - wowl_config |= BRCMF_WOWL_NET; - for (i = 0; i < wowl->n_patterns; i++) { - brcmf_config_wowl_pattern(ifp, "add", - (u8 *)wowl->patterns[i].pattern, - wowl->patterns[i].pattern_len, - (u8 *)wowl->patterns[i].mask, - wowl->patterns[i].pkt_offset); - } - } - brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config); - brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1); - brcmf_bus_wowl_config(cfg->pub->bus_if, true); - cfg->wowl_enabled = true; -} - -static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, - struct cfg80211_wowlan *wowl) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_vif *vif; - - brcmf_dbg(TRACE, "Enter\n"); - - /* if the primary net_device is not READY there is nothing - * we can do but pray resume goes smoothly. - */ - if (!check_vif_up(ifp->vif)) - goto exit; - - /* end any scanning */ - if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) - brcmf_abort_scanning(cfg); - - if (wowl == NULL) { - brcmf_bus_wowl_config(cfg->pub->bus_if, false); - list_for_each_entry(vif, &cfg->vif_list, list) { - if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) - continue; - /* While going to suspend if associated with AP - * disassociate from AP to save power while system is - * in suspended state - */ - brcmf_link_down(vif); - /* Make sure WPA_Supplicant receives all the event - * generated due to DISASSOC call to the fw to keep - * the state fw and WPA_Supplicant state consistent - */ - brcmf_delay(500); - } - /* Configure MPC */ - brcmf_set_mpc(ifp, 1); - - } else { - /* Configure WOWL paramaters */ - brcmf_configure_wowl(cfg, ifp, wowl); - } - -exit: - brcmf_dbg(TRACE, "Exit\n"); - /* clear any scanning activity */ - cfg->scan_status = 0; - return 0; -} - -static __used s32 -brcmf_update_pmklist(struct 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 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); - cfg->escan_info.run = brcmf_run_escan; - err = brcmf_do_escan(cfg, wiphy, ifp, request); - if (err) { - clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); - goto out_err; - } - cfg->sched_escan = true; - cfg->scan_request = request; - } else { - brcmf_err("FALSE PNO Event. (pfn_count == 0)\n"); - goto out_err; - } - - kfree(ssid); - kfree(channel); - kfree(request); - return 0; - -out_err: - kfree(ssid); - kfree(channel); - kfree(request); - cfg80211_sched_scan_stopped(wiphy); - return err; -} - -static int brcmf_dev_pno_clean(struct net_device *ndev) -{ - int ret; - - /* Disable pfn */ - ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0); - if (ret == 0) { - /* clear pfn */ - ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear", - NULL, 0); - } - if (ret < 0) - brcmf_err("failed code %d\n", ret); - - return ret; -} - -static int brcmf_dev_pno_config(struct 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 (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { - brcmf_err("Scanning suppressed: status (%lu)\n", - cfg->scan_status); - return -EAGAIN; - } - - if (!request->n_ssids || !request->n_match_sets) { - brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n", - request->n_ssids); - return -EINVAL; - } - - if (request->n_ssids > 0) { - for (i = 0; i < request->n_ssids; i++) { - /* Active scan req for ssids */ - brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n", - request->ssids[i].ssid); - - /* - * match_set ssids is a supert set of n_ssid list, - * so we need not add these set 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, netdev_priv(ndev), true, true); - return 0; -} - -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, - const 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) -{ - struct brcmf_vs_tlv *vndrie; - struct brcmf_tlv *ie; - struct parsed_vndr_ie_info *parsed_info; - s32 remaining_len; - - remaining_len = (s32)vndr_ie_len; - memset(vndr_ies, 0, sizeof(*vndr_ies)); - - ie = (struct brcmf_tlv *)vndr_ie_buf; - while (ie) { - if (ie->id != WLAN_EID_VENDOR_SPECIFIC) - goto next; - vndrie = (struct brcmf_vs_tlv *)ie; - /* len should be bigger than OUI length + one */ - if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { - brcmf_err("invalid vndr ie. length is too small %d\n", - vndrie->len); - goto next; - } - /* if wpa or wme ie, do not add ie */ - if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && - ((vndrie->oui_type == WPA_OUI_TYPE) || - (vndrie->oui_type == WME_OUI_TYPE))) { - brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n"); - goto next; - } - - parsed_info = &vndr_ies->ie_info[vndr_ies->count]; - - /* save vndr ie information */ - parsed_info->ie_ptr = (char *)vndrie; - parsed_info->ie_len = vndrie->len + TLV_HDR_LEN; - memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie)); - - vndr_ies->count++; - - brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n", - parsed_info->vndrie.oui[0], - parsed_info->vndrie.oui[1], - parsed_info->vndrie.oui[2], - parsed_info->vndrie.oui_type); - - if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT) - break; -next: - remaining_len -= (ie->len + TLV_HDR_LEN); - if (remaining_len <= TLV_HDR_LEN) - ie = NULL; - else - ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len + - TLV_HDR_LEN); - } - return 0; -} - -static u32 -brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) -{ - - __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_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - const struct brcmf_tlv *ssid_ie; - struct brcmf_ssid_le ssid_le; - s32 err = -EPERM; - const struct brcmf_tlv *rsn_ie; - const struct brcmf_vs_tlv *wpa_ie; - struct brcmf_join_params join_params; - enum nl80211_iftype dev_role; - struct brcmf_fil_bss_enable_le bss_enable; - u16 chanspec; - - brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n", - settings->chandef.chan->hw_value, - settings->chandef.center_freq1, settings->chandef.width, - settings->beacon_interval, settings->dtim_period); - brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n", - settings->ssid, settings->ssid_len, settings->auth_type, - settings->inactivity_timeout); - - dev_role = ifp->vif->wdev.iftype; - - 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(ifp, 0); - brcmf_configure_arp_offload(ifp, false); - - /* find the RSN_IE */ - rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, - settings->beacon.tail_len, WLAN_EID_RSN); - - /* find the WPA_IE */ - wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, - settings->beacon.tail_len); - - if ((wpa_ie != NULL || rsn_ie != NULL)) { - brcmf_dbg(TRACE, "WPA(2) IE is found\n"); - if (wpa_ie != NULL) { - /* WPA IE */ - err = brcmf_configure_wpaie(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); - - chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef); - err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); - if (err < 0) { - brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err); - goto exit; - } - - 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(ifp, 1); - brcmf_configure_arp_offload(ifp, true); - } - return err; -} - -static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err; - struct brcmf_fil_bss_enable_le bss_enable; - struct brcmf_join_params join_params; - - brcmf_dbg(TRACE, "Enter\n"); - - if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) { - /* Due to most likely deauths outstanding we sleep */ - /* first to make sure they get processed by fw. */ - msleep(400); - - memset(&join_params, 0, sizeof(join_params)); - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, - &join_params, sizeof(join_params)); - if (err < 0) - brcmf_err("SET SSID error (%d)\n", err); - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); - if (err < 0) - brcmf_err("BRCMF_C_UP error %d\n", err); - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0); - if (err < 0) - brcmf_err("setting AP mode failed %d\n", err); - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0); - if (err < 0) - brcmf_err("setting INFRA mode failed %d\n", err); - } 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(ifp, 1); - brcmf_configure_arp_offload(ifp, true); - set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state); - clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); - - 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, - const 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_cfg80211_vif *vif; - u16 mgmt_type; - - brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg); - - mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - if (reg) - vif->mgmt_rx_reg |= BIT(mgmt_type); - else - vif->mgmt_rx_reg &= ~BIT(mgmt_type); -} - - -static int -brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, - struct cfg80211_mgmt_tx_params *params, u64 *cookie) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct ieee80211_channel *chan = params->chan; - const u8 *buf = params->buf; - size_t len = params->len; - const struct ieee80211_mgmt *mgmt; - struct brcmf_cfg80211_vif *vif; - s32 err = 0; - s32 ie_offset; - s32 ie_len; - struct brcmf_fil_action_frame_le *action_frame; - struct brcmf_fil_af_params_le *af_params; - bool ack; - s32 chan_nr; - u32 freq; - - brcmf_dbg(TRACE, "Enter\n"); - - *cookie = 0; - - mgmt = (const struct ieee80211_mgmt *)buf; - - if (!ieee80211_is_mgmt(mgmt->frame_control)) { - brcmf_err("Driver only allows MGMT packet type\n"); - return -EPERM; - } - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - - if (ieee80211_is_probe_resp(mgmt->frame_control)) { - /* Right now the only reason to get a probe response */ - /* is for p2p listen response or for p2p GO from */ - /* wpa_supplicant. Unfortunately the probe is send */ - /* on primary ndev, while dongle wants it on the p2p */ - /* vif. Since this is only reason for a probe */ - /* response to be sent, the vif is taken from cfg. */ - /* If ever desired to send proberesp for non p2p */ - /* response then data should be checked for */ - /* "DIRECT-". Note in future supplicant will take */ - /* dedicated p2p wdev to do this and then this 'hack'*/ - /* is not needed anymore. */ - ie_offset = DOT11_MGMT_HDR_LEN + - DOT11_BCN_PRB_FIXED_LEN; - ie_len = len - ie_offset; - if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) - vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - err = brcmf_vif_set_mgmt_ie(vif, - BRCMF_VNDR_IE_PRBRSP_FLAG, - &buf[ie_offset], - ie_len); - cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, - GFP_KERNEL); - } else if (ieee80211_is_action(mgmt->frame_control)) { - af_params = kzalloc(sizeof(*af_params), GFP_KERNEL); - if (af_params == NULL) { - brcmf_err("unable to allocate frame\n"); - err = -ENOMEM; - goto exit; - } - action_frame = &af_params->action_frame; - /* Add the packet Id */ - action_frame->packet_id = cpu_to_le32(*cookie); - /* Add BSSID */ - memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN); - memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN); - /* Add the length exepted for 802.11 header */ - action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN); - /* Add the channel. Use the one specified as parameter if any or - * the current one (got from the firmware) otherwise - */ - if (chan) - freq = chan->center_freq; - else - brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL, - &freq); - chan_nr = ieee80211_frequency_to_channel(freq); - af_params->channel = cpu_to_le32(chan_nr); - - memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], - le16_to_cpu(action_frame->len)); - - brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n", - *cookie, le16_to_cpu(action_frame->len), freq); - - ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg), - af_params); - - cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, - GFP_KERNEL); - kfree(af_params); - } else { - brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control); - brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len); - } - -exit: - return err; -} - - -static int -brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, - struct wireless_dev *wdev, - u64 cookie) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_vif *vif; - int err = 0; - - brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); - - vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - if (vif == NULL) { - brcmf_err("No p2p device available for probe response\n"); - err = -ENODEV; - goto exit; - } - brcmf_p2p_cancel_remain_on_channel(vif->ifp); -exit: - return err; -} - -static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy, - struct wireless_dev *wdev, - enum nl80211_crit_proto_id proto, - u16 duration) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_vif *vif; - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - - /* only DHCP support for now */ - if (proto != NL80211_CRIT_PROTO_DHCP) - return -EINVAL; - - /* suppress and abort scanning */ - set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); - brcmf_abort_scanning(cfg); - - return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration); -} - -static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy, - struct wireless_dev *wdev) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_vif *vif; - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - - brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); - clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); -} - -static s32 -brcmf_notify_tdls_peer_event(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - switch (e->reason) { - case BRCMF_E_REASON_TDLS_PEER_DISCOVERED: - brcmf_dbg(TRACE, "TDLS Peer Discovered\n"); - break; - case BRCMF_E_REASON_TDLS_PEER_CONNECTED: - brcmf_dbg(TRACE, "TDLS Peer Connected\n"); - brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); - break; - case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED: - brcmf_dbg(TRACE, "TDLS Peer Disconnected\n"); - brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); - break; - } - - return 0; -} - -static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper) -{ - int ret; - - switch (oper) { - case NL80211_TDLS_DISCOVERY_REQ: - ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY; - break; - case NL80211_TDLS_SETUP: - ret = BRCMF_TDLS_MANUAL_EP_CREATE; - break; - case NL80211_TDLS_TEARDOWN: - ret = BRCMF_TDLS_MANUAL_EP_DELETE; - break; - default: - brcmf_err("unsupported operation: %d\n", oper); - ret = -EOPNOTSUPP; - } - return ret; -} - -static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy, - struct net_device *ndev, const u8 *peer, - enum nl80211_tdls_operation oper) -{ - struct brcmf_if *ifp; - struct brcmf_tdls_iovar_le info; - int ret = 0; - - ret = brcmf_convert_nl80211_tdls_oper(oper); - if (ret < 0) - return ret; - - ifp = netdev_priv(ndev); - memset(&info, 0, sizeof(info)); - info.mode = (u8)ret; - if (peer) - memcpy(info.ea, peer, ETH_ALEN); - - ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint", - &info, sizeof(info)); - if (ret < 0) - brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret); - - return ret; -} - -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, - .start_p2p_device = brcmf_p2p_start_device, - .stop_p2p_device = brcmf_p2p_stop_device, - .crit_proto_start = brcmf_cfg80211_crit_proto_start, - .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, - .tdls_oper = brcmf_cfg80211_tdls_oper, -}; - -struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, - enum nl80211_iftype type, - bool pm_block) -{ - struct brcmf_cfg80211_vif *vif; - - 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->pm_block = pm_block; - vif->roam_off = -1; - - brcmf_init_prof(&vif->profile); - - list_add_tail(&vif->list, &cfg->vif_list); - return vif; -} - -void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) -{ - list_del(&vif->list); - kfree(vif); -} - -void brcmf_cfg80211_free_netdev(struct net_device *ndev) -{ - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - - ifp = netdev_priv(ndev); - vif = ifp->vif; - - brcmf_free_vif(vif); - free_netdev(ndev); -} - -static bool brcmf_is_linkup(const struct brcmf_event_msg *e) -{ - u32 event = e->event_code; - u32 status = e->status; - - if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { - brcmf_dbg(CONN, "Processing set ssid\n"); - return true; - } - - return false; -} - -static bool brcmf_is_linkdown(const struct brcmf_event_msg *e) -{ - u32 event = e->event_code; - u16 flags = e->flags; - - if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) || - (event == BRCMF_E_DISASSOC_IND) || - ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) { - brcmf_dbg(CONN, "Processing link down\n"); - return true; - } - return false; -} - -static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, - const struct brcmf_event_msg *e) -{ - u32 event = e->event_code; - u32 status = e->status; - - if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { - brcmf_dbg(CONN, "Processing Link %s & no network found\n", - e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down"); - return true; - } - - if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { - brcmf_dbg(CONN, "Processing connecting & no network found\n"); - return true; - } - - return false; -} - -static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); - - kfree(conn_info->req_ie); - conn_info->req_ie = NULL; - conn_info->req_ie_len = 0; - kfree(conn_info->resp_ie); - conn_info->resp_ie = NULL; - conn_info->resp_ie_len = 0; -} - -static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp) -{ - struct brcmf_cfg80211_assoc_ielen_le *assoc_info; - struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); - u32 req_len; - u32 resp_len; - s32 err = 0; - - brcmf_clear_assoc_ies(cfg); - - err = brcmf_fil_iovar_data_get(ifp, "assoc_info", - cfg->extra_buf, WL_ASSOC_INFO_MAX); - if (err) { - brcmf_err("could not get assoc info (%d)\n", err); - return err; - } - assoc_info = - (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; - req_len = le32_to_cpu(assoc_info->req_len); - resp_len = le32_to_cpu(assoc_info->resp_len); - if (req_len) { - err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies", - cfg->extra_buf, - WL_ASSOC_INFO_MAX); - if (err) { - brcmf_err("could not get assoc req (%d)\n", err); - return err; - } - conn_info->req_ie_len = req_len; - conn_info->req_ie = - kmemdup(cfg->extra_buf, conn_info->req_ie_len, - GFP_KERNEL); - } else { - conn_info->req_ie_len = 0; - conn_info->req_ie = NULL; - } - if (resp_len) { - err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies", - cfg->extra_buf, - WL_ASSOC_INFO_MAX); - if (err) { - brcmf_err("could not get assoc resp (%d)\n", err); - return err; - } - conn_info->resp_ie_len = resp_len; - conn_info->resp_ie = - kmemdup(cfg->extra_buf, conn_info->resp_ie_len, - GFP_KERNEL); - } else { - conn_info->resp_ie_len = 0; - conn_info->resp_ie = NULL; - } - brcmf_dbg(CONN, "req len (%d) resp len (%d)\n", - conn_info->req_ie_len, conn_info->resp_ie_len); - - return err; -} - -static s32 -brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - const struct brcmf_event_msg *e) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); - struct wiphy *wiphy = cfg_to_wiphy(cfg); - struct ieee80211_channel *notify_channel = NULL; - struct ieee80211_supported_band *band; - struct brcmf_bss_info_le *bi; - struct brcmu_chan ch; - u32 freq; - s32 err = 0; - u8 *buf; - - brcmf_dbg(TRACE, "Enter\n"); - - brcmf_get_assoc_ies(cfg, ifp); - memcpy(profile->bssid, e->addr, ETH_ALEN); - brcmf_update_bss_info(cfg, ifp); - - buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); - if (buf == NULL) { - err = -ENOMEM; - goto done; - } - - /* data sent to dongle has to be little endian */ - *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, - buf, WL_BSS_INFO_MAX); - - if (err) - goto done; - - bi = (struct brcmf_bss_info_le *)(buf + 4); - ch.chspec = le16_to_cpu(bi->chanspec); - cfg->d11inf.decchspec(&ch); - - if (ch.band == BRCMU_CHAN_BAND_2G) - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - else - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - - freq = ieee80211_channel_to_frequency(ch.chnum, band->band); - notify_channel = ieee80211_get_channel(wiphy, freq); - -done: - kfree(buf); - cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid, - conn_info->req_ie, conn_info->req_ie_len, - conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); - brcmf_dbg(CONN, "Report roaming result\n"); - - set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, const struct brcmf_event_msg *e, - bool completed) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); - - brcmf_dbg(TRACE, "Enter\n"); - - if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING, - &ifp->vif->sme_state)) { - if (completed) { - brcmf_get_assoc_ies(cfg, ifp); - memcpy(profile->bssid, e->addr, ETH_ALEN); - brcmf_update_bss_info(cfg, ifp); - set_bit(BRCMF_VIF_STATUS_CONNECTED, - &ifp->vif->sme_state); - } - cfg80211_connect_result(ndev, - (u8 *)profile->bssid, - conn_info->req_ie, - conn_info->req_ie_len, - conn_info->resp_ie, - conn_info->resp_ie_len, - completed ? WLAN_STATUS_SUCCESS : - WLAN_STATUS_AUTH_TIMEOUT, - GFP_KERNEL); - brcmf_dbg(CONN, "Report connect result - connection %s\n", - completed ? "succeeded" : "failed"); - } - brcmf_dbg(TRACE, "Exit\n"); - return 0; -} - -static s32 -brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - const struct brcmf_event_msg *e, void *data) -{ - static int generation; - u32 event = e->event_code; - u32 reason = e->reason; - struct station_info sinfo; - - brcmf_dbg(CONN, "event %d, reason %d\n", event, reason); - if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS && - ndev != cfg_to_ndev(cfg)) { - brcmf_dbg(CONN, "AP mode link down\n"); - complete(&cfg->vif_disabled); - return 0; - } - - if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && - (reason == BRCMF_E_STATUS_SUCCESS)) { - memset(&sinfo, 0, sizeof(sinfo)); - 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; - struct ieee80211_channel *chan; - s32 err = 0; - - if ((e->event_code == BRCMF_E_DEAUTH) || - (e->event_code == BRCMF_E_DEAUTH_IND) || - (e->event_code == BRCMF_E_DISASSOC_IND) || - ((e->event_code == BRCMF_E_LINK) && (!e->flags))) { - brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); - } - - if (brcmf_is_apmode(ifp->vif)) { - err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); - } else if (brcmf_is_linkup(e)) { - brcmf_dbg(CONN, "Linkup\n"); - if (brcmf_is_ibssmode(ifp->vif)) { - chan = ieee80211_get_channel(cfg->wiphy, cfg->channel); - memcpy(profile->bssid, e->addr, ETH_ALEN); - wl_inform_ibss(cfg, ndev, e->addr); - cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL); - clear_bit(BRCMF_VIF_STATUS_CONNECTING, - &ifp->vif->sme_state); - set_bit(BRCMF_VIF_STATUS_CONNECTED, - &ifp->vif->sme_state); - } else - brcmf_bss_connect_done(cfg, ndev, e, true); - } else if (brcmf_is_linkdown(e)) { - brcmf_dbg(CONN, "Linkdown\n"); - if (!brcmf_is_ibssmode(ifp->vif)) { - brcmf_bss_connect_done(cfg, ndev, e, false); - } - brcmf_link_down(ifp->vif); - brcmf_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; - u32 event = e->event_code; - u32 status = e->status; - - if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { - if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) - brcmf_bss_roaming_done(cfg, ifp->ndev, e); - else - brcmf_bss_connect_done(cfg, ifp->ndev, e, true); - } - - return 0; -} - -static s32 -brcmf_notify_mic_status(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - u16 flags = e->flags; - enum nl80211_key_type key_type; - - if (flags & BRCMF_EVENT_MSG_GROUP) - key_type = NL80211_KEYTYPE_GROUP; - else - key_type = NL80211_KEYTYPE_PAIRWISE; - - cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1, - NULL, GFP_KERNEL); - - return 0; -} - -static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data; - struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; - struct brcmf_cfg80211_vif *vif; - - brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u 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; - if (ifp->ndev) { - 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: - 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->active_scan = true; /* we do active scan per default */ - cfg->dongle_up = false; /* dongle is not up yet */ - err = brcmf_init_priv_mem(cfg); - if (err) - return err; - brcmf_register_event_handlers(cfg); - mutex_init(&cfg->usr_sync); - brcmf_init_escan(cfg); - brcmf_init_conf(cfg->conf); - init_completion(&cfg->vif_disabled); - return err; -} - -static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) -{ - cfg->dongle_up = false; /* dongle down */ - brcmf_abort_scanning(cfg); - brcmf_deinit_priv_mem(cfg); -} - -static void init_vif_event(struct brcmf_cfg80211_vif_event *event) -{ - init_waitqueue_head(&event->vif_wq); - mutex_init(&event->vif_event_lock); -} - -static s32 -brcmf_dongle_roam(struct brcmf_if *ifp, 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 (brcmf_roamoff) { - 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", - brcmf_roamoff ? "Off" : "On"); - err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff)); - 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; -} - -/* Filter the list of channels received from firmware counting only - * the 20MHz channels. The wiphy band data only needs those which get - * flagged to indicate if they can take part in higher bandwidth. - */ -static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg, - struct brcmf_chanspec_list *chlist, - u32 chcnt[]) -{ - u32 total = le32_to_cpu(chlist->count); - struct brcmu_chan ch; - int i; - - for (i = 0; i < total; i++) { - ch.chspec = (u16)le32_to_cpu(chlist->element[i]); - cfg->d11inf.decchspec(&ch); - - /* Firmware gives a ordered list. We skip non-20MHz - * channels is 2G. For 5G we can abort upon reaching - * a non-20MHz channel in the list. - */ - if (ch.bw != BRCMU_CHAN_BW_20) { - if (ch.band == BRCMU_CHAN_BAND_5G) - break; - else - continue; - } - - if (ch.band == BRCMU_CHAN_BAND_2G) - chcnt[0] += 1; - else if (ch.band == BRCMU_CHAN_BAND_5G) - chcnt[1] += 1; - } -} - -static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel, - struct brcmu_chan *ch) -{ - u32 ht40_flag; - - ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40; - if (ch->sb == BRCMU_CHAN_SB_U) { - if (ht40_flag == IEEE80211_CHAN_NO_HT40) - channel->flags &= ~IEEE80211_CHAN_NO_HT40; - channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; - } else { - /* It should be one of - * IEEE80211_CHAN_NO_HT40 or - * IEEE80211_CHAN_NO_HT40PLUS - */ - channel->flags &= ~IEEE80211_CHAN_NO_HT40; - if (ht40_flag == IEEE80211_CHAN_NO_HT40) - channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; - } -} - -static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, - u32 bw_cap[]) -{ - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct ieee80211_supported_band *band; - struct ieee80211_channel *channel; - struct wiphy *wiphy; - struct brcmf_chanspec_list *list; - struct brcmu_chan ch; - int err; - u8 *pbuf; - u32 i, j; - u32 total; - u32 chaninfo; - u32 chcnt[2] = { 0, 0 }; - u32 index; - - pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); - - if (pbuf == NULL) - return -ENOMEM; - - list = (struct brcmf_chanspec_list *)pbuf; - - err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, - BRCMF_DCMD_MEDLEN); - if (err) { - brcmf_err("get chanspecs error (%d)\n", err); - goto fail_pbuf; - } - - brcmf_count_20mhz_channels(cfg, list, chcnt); - wiphy = cfg_to_wiphy(cfg); - if (chcnt[0]) { - band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz), - GFP_KERNEL); - if (band == NULL) { - err = -ENOMEM; - goto fail_pbuf; - } - band->channels = kcalloc(chcnt[0], sizeof(*channel), - GFP_KERNEL); - if (band->channels == NULL) { - kfree(band); - err = -ENOMEM; - goto fail_pbuf; - } - band->n_channels = 0; - wiphy->bands[IEEE80211_BAND_2GHZ] = band; - } - if (chcnt[1]) { - band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a), - GFP_KERNEL); - if (band == NULL) { - err = -ENOMEM; - goto fail_band2g; - } - band->channels = kcalloc(chcnt[1], sizeof(*channel), - GFP_KERNEL); - if (band->channels == NULL) { - kfree(band); - err = -ENOMEM; - goto fail_band2g; - } - band->n_channels = 0; - wiphy->bands[IEEE80211_BAND_5GHZ] = band; - } - - total = le32_to_cpu(list->count); - for (i = 0; i < total; i++) { - ch.chspec = (u16)le32_to_cpu(list->element[i]); - cfg->d11inf.decchspec(&ch); - - if (ch.band == BRCMU_CHAN_BAND_2G) { - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - } else if (ch.band == BRCMU_CHAN_BAND_5G) { - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - } else { - brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec); - continue; - } - if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) && - ch.bw == BRCMU_CHAN_BW_40) - continue; - if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) && - ch.bw == BRCMU_CHAN_BW_80) - continue; - - channel = band->channels; - index = band->n_channels; - for (j = 0; j < band->n_channels; j++) { - if (channel[j].hw_value == ch.chnum) { - index = j; - break; - } - } - channel[index].center_freq = - ieee80211_channel_to_frequency(ch.chnum, band->band); - channel[index].hw_value = ch.chnum; - - /* assuming the chanspecs order is HT20, - * HT40 upper, HT40 lower, and VHT80. - */ - if (ch.bw == BRCMU_CHAN_BW_80) { - channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ; - } else if (ch.bw == BRCMU_CHAN_BW_40) { - brcmf_update_bw40_channel_flag(&channel[index], &ch); - } else { - /* disable other bandwidths for now as mentioned - * order assure they are enabled for subsequent - * chanspecs. - */ - channel[index].flags = IEEE80211_CHAN_NO_HT40 | - IEEE80211_CHAN_NO_80MHZ; - ch.bw = BRCMU_CHAN_BW_20; - cfg->d11inf.encchspec(&ch); - chaninfo = ch.chspec; - err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info", - &chaninfo); - if (!err) { - if (chaninfo & WL_CHAN_RADAR) - channel[index].flags |= - (IEEE80211_CHAN_RADAR | - IEEE80211_CHAN_NO_IR); - if (chaninfo & WL_CHAN_PASSIVE) - channel[index].flags |= - IEEE80211_CHAN_NO_IR; - } - } - if (index == band->n_channels) - band->n_channels++; - } - kfree(pbuf); - return 0; - -fail_band2g: - kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels); - kfree(wiphy->bands[IEEE80211_BAND_2GHZ]); - wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; -fail_pbuf: - kfree(pbuf); - return err; -} - -static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct ieee80211_supported_band *band; - struct brcmf_fil_bwcap_le band_bwcap; - struct brcmf_chanspec_list *list; - u8 *pbuf; - u32 val; - int err; - struct brcmu_chan ch; - u32 num_chan; - int i, j; - - /* verify support for bw_cap command */ - val = WLC_BAND_5G; - err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); - - if (!err) { - /* only set 2G bandwidth using bw_cap command */ - band_bwcap.band = cpu_to_le32(WLC_BAND_2G); - band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); - err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, - sizeof(band_bwcap)); - } else { - brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); - val = WLC_N_BW_40ALL; - err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); - } - - if (!err) { - /* update channel info in 2G band */ - pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); - - if (pbuf == NULL) - return -ENOMEM; - - ch.band = BRCMU_CHAN_BAND_2G; - ch.bw = BRCMU_CHAN_BW_40; - ch.sb = BRCMU_CHAN_SB_NONE; - ch.chnum = 0; - cfg->d11inf.encchspec(&ch); - - /* pass encoded chanspec in query */ - *(__le16 *)pbuf = cpu_to_le16(ch.chspec); - - err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, - BRCMF_DCMD_MEDLEN); - if (err) { - brcmf_err("get chanspecs error (%d)\n", err); - kfree(pbuf); - return err; - } - - band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ]; - list = (struct brcmf_chanspec_list *)pbuf; - num_chan = le32_to_cpu(list->count); - for (i = 0; i < num_chan; i++) { - ch.chspec = (u16)le32_to_cpu(list->element[i]); - cfg->d11inf.decchspec(&ch); - if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G)) - continue; - if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40)) - continue; - for (j = 0; j < band->n_channels; j++) { - if (band->channels[j].hw_value == ch.chnum) - break; - } - if (WARN_ON(j == band->n_channels)) - continue; - - brcmf_update_bw40_channel_flag(&band->channels[j], &ch); - } - kfree(pbuf); - } - return err; -} - -static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[]) -{ - u32 band, mimo_bwcap; - int err; - - band = WLC_BAND_2G; - err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); - if (!err) { - bw_cap[IEEE80211_BAND_2GHZ] = band; - band = WLC_BAND_5G; - err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); - if (!err) { - bw_cap[IEEE80211_BAND_5GHZ] = band; - return; - } - WARN_ON(1); - return; - } - brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n"); - mimo_bwcap = 0; - err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap); - if (err) - /* assume 20MHz if firmware does not give a clue */ - mimo_bwcap = WLC_N_BW_20ALL; - - switch (mimo_bwcap) { - case WLC_N_BW_40ALL: - bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT; - /* fall-thru */ - case WLC_N_BW_20IN2G_40IN5G: - bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT; - /* fall-thru */ - case WLC_N_BW_20ALL: - bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT; - bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT; - break; - default: - brcmf_err("invalid mimo_bw_cap value\n"); - } -} - -static void brcmf_update_ht_cap(struct ieee80211_supported_band *band, - u32 bw_cap[2], u32 nchain) -{ - band->ht_cap.ht_supported = true; - if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) { - band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; - band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; - } - band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; - band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; - band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; - band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; - memset(band->ht_cap.mcs.rx_mask, 0xff, nchain); - band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; -} - -static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp) -{ - u16 mcs_map; - int i; - - for (i = 0, mcs_map = 0xFFFF; i < nchain; i++) - mcs_map = (mcs_map << 2) | supp; - - return cpu_to_le16(mcs_map); -} - -static void brcmf_update_vht_cap(struct ieee80211_supported_band *band, - u32 bw_cap[2], u32 nchain) -{ - __le16 mcs_map; - - /* not allowed in 2.4G band */ - if (band->band == IEEE80211_BAND_2GHZ) - return; - - band->vht_cap.vht_supported = true; - /* 80MHz is mandatory */ - band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; - if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) { - band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; - band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; - } - /* all support 256-QAM */ - mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9); - band->vht_cap.vht_mcs.rx_mcs_map = mcs_map; - band->vht_cap.vht_mcs.tx_mcs_map = mcs_map; -} - -static int brcmf_setup_wiphybands(struct wiphy *wiphy) -{ - struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - u32 nmode = 0; - u32 vhtmode = 0; - u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT }; - u32 rxchain; - u32 nchain; - int err; - s32 i; - struct ieee80211_supported_band *band; - - (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode); - err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode); - if (err) { - brcmf_err("nmode error (%d)\n", err); - } else { - brcmf_get_bwcap(ifp, bw_cap); - } - brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n", - nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ], - bw_cap[IEEE80211_BAND_5GHZ]); - - err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain); - if (err) { - brcmf_err("rxchain error (%d)\n", err); - nchain = 1; - } else { - for (nchain = 0; rxchain; nchain++) - rxchain = rxchain & (rxchain - 1); - } - brcmf_dbg(INFO, "nchain=%d\n", nchain); - - err = brcmf_construct_chaninfo(cfg, bw_cap); - if (err) { - brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err); - return err; - } - - wiphy = cfg_to_wiphy(cfg); - for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) { - band = wiphy->bands[i]; - if (band == NULL) - continue; - - if (nmode) - brcmf_update_ht_cap(band, bw_cap, nchain); - if (vhtmode) - brcmf_update_vht_cap(band, bw_cap, nchain); - } - - return 0; -} - -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_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO) - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_DEVICE) - } -}; -static struct ieee80211_iface_combination brcmf_iface_combos[] = { - { - .max_interfaces = BRCMF_IFACE_MAX_CNT, - .num_different_channels = 1, - .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) - }, - [NL80211_IFTYPE_P2P_DEVICE] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) - } -}; - -static void brcmf_wiphy_pno_params(struct wiphy *wiphy) -{ - /* scheduled scan settings */ - wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; - wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; - wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; - wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; -} - -#ifdef CONFIG_PM -static const struct wiphy_wowlan_support brcmf_wowlan_support = { - .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT, - .n_patterns = BRCMF_WOWL_MAXPATTERNS, - .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE, - .pattern_min_len = 1, - .max_pkt_offset = 1500, -}; -#endif - -static void brcmf_wiphy_wowl_params(struct wiphy *wiphy) -{ -#ifdef CONFIG_PM - /* wowl settings */ - wiphy->wowlan = &brcmf_wowlan_support; -#endif -} - -static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) -{ - struct ieee80211_iface_combination ifc_combo; - 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); - /* need VSDB firmware feature for concurrent channels */ - ifc_combo = brcmf_iface_combos[0]; - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) - ifc_combo.num_different_channels = 2; - wiphy->iface_combinations = kmemdup(&ifc_combo, - sizeof(ifc_combo), - GFP_KERNEL); - wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos); - 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_FLAG_SUPPORTS_TDLS; - if (!brcmf_roamoff) - wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; - wiphy->mgmt_stypes = brcmf_txrx_stypes; - wiphy->max_remain_on_channel_duration = 5000; - brcmf_wiphy_pno_params(wiphy); - - /* vendor commands/events support */ - wiphy->vendor_commands = brcmf_vendor_cmds; - wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1; - - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) - brcmf_wiphy_wowl_params(wiphy); - - return brcmf_setup_wiphybands(wiphy); -} - -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, 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; - - brcmf_configure_arp_offload(ifp, true); - - cfg->dongle_up = true; -default_conf_out: - - return err; - -} - -static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp) -{ - set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); - - return brcmf_config_dongle(ifp->drvr->config); -} - -static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - - /* - * While going down, if associated with AP disassociate - * from AP to save power - */ - if (check_vif_up(ifp->vif)) { - brcmf_link_down(ifp->vif); - - /* Make sure WPA_Supplicant receives all the event - generated due to DISASSOC call to the fw to keep - the state fw and WPA_Supplicant state consistent - */ - brcmf_delay(500); - } - - brcmf_abort_scanning(cfg); - clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); - - return 0; -} - -s32 brcmf_cfg80211_up(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - s32 err = 0; - - mutex_lock(&cfg->usr_sync); - err = __brcmf_cfg80211_up(ifp); - mutex_unlock(&cfg->usr_sync); - - return err; -} - -s32 brcmf_cfg80211_down(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - s32 err = 0; - - mutex_lock(&cfg->usr_sync); - err = __brcmf_cfg80211_down(ifp); - mutex_unlock(&cfg->usr_sync); - - return err; -} - -enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp) -{ - struct wireless_dev *wdev = &ifp->vif->wdev; - - return wdev->iftype; -} - -bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, unsigned long state) -{ - struct brcmf_cfg80211_vif *vif; - - list_for_each_entry(vif, &cfg->vif_list, list) { - if (test_bit(state, &vif->sme_state)) - return true; - } - return false; -} - -static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, - u8 action) -{ - u8 evt_action; - - 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); -} - -static void brcmf_free_wiphy(struct wiphy *wiphy) -{ - kfree(wiphy->iface_combinations); - if (wiphy->bands[IEEE80211_BAND_2GHZ]) { - kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels); - kfree(wiphy->bands[IEEE80211_BAND_2GHZ]); - } - if (wiphy->bands[IEEE80211_BAND_5GHZ]) { - kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels); - kfree(wiphy->bands[IEEE80211_BAND_5GHZ]); - } - wiphy_free(wiphy); -} - -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; - s32 io_type; - u16 *cap = NULL; - - if (!ndev) { - brcmf_err("ndev is invalid\n"); - return NULL; - } - - ifp = netdev_priv(ndev); - wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info)); - if (!wiphy) { - brcmf_err("Could not allocate wiphy device\n"); - return NULL; - } - set_wiphy_dev(wiphy, busdev); - - 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)) - goto wiphy_out; - - vif->ifp = ifp; - vif->wdev.netdev = ndev; - ndev->ieee80211_ptr = &vif->wdev; - SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); - - err = wl_init_priv(cfg); - if (err) { - brcmf_err("Failed to init iwm_priv (%d)\n", err); - brcmf_free_vif(vif); - goto wiphy_out; - } - ifp->vif = vif; - - /* determine d11 io type before wiphy setup */ - err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type); - if (err) { - brcmf_err("Failed to get D11 version (%d)\n", err); - goto priv_out; - } - cfg->d11inf.io_type = (u8)io_type; - brcmu_d11_attach(&cfg->d11inf); - - err = brcmf_setup_wiphy(wiphy, ifp); - if (err < 0) - goto priv_out; - - brcmf_dbg(INFO, "Registering custom regulatory\n"); - wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; - wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); - - /* firmware defaults to 40MHz disabled in 2G band. We signal - * cfg80211 here that we do and have it decide we can enable - * it. But first check if device does support 2G operation. - */ - if (wiphy->bands[IEEE80211_BAND_2GHZ]) { - cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap; - *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; - } - err = wiphy_register(wiphy); - if (err < 0) { - brcmf_err("Could not register wiphy device (%d)\n", err); - goto priv_out; - } - - /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), - * setup 40MHz in 2GHz band and enable OBSS scanning. - */ - if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { - err = brcmf_enable_bw40_2g(cfg); - if (!err) - err = brcmf_fil_iovar_int_set(ifp, "obss_coex", - BRCMF_OBSS_COEX_AUTO); - else - *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - } - - err = brcmf_p2p_attach(cfg); - if (err) { - brcmf_err("P2P initilisation failed (%d)\n", err); - goto wiphy_unreg_out; - } - err = brcmf_btcoex_attach(cfg); - if (err) { - brcmf_err("BT-coex initialisation failed (%d)\n", err); - brcmf_p2p_detach(&cfg->p2p); - goto wiphy_unreg_out; - } - - err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); - if (err) { - brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); - wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; - } else { - brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT, - brcmf_notify_tdls_peer_event); - } - - return cfg; - -wiphy_unreg_out: - wiphy_unregister(cfg->wiphy); -priv_out: - wl_deinit_priv(cfg); - brcmf_free_vif(vif); -wiphy_out: - brcmf_free_wiphy(wiphy); - return NULL; -} - -void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) -{ - if (!cfg) - return; - - WARN_ON(!list_empty(&cfg->vif_list)); - wiphy_unregister(cfg->wiphy); - brcmf_btcoex_detach(cfg); - brcmf_p2p_detach(&cfg->p2p); - wl_deinit_priv(cfg); - brcmf_free_wiphy(cfg->wiphy); -} |