From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: AndrĂ© Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/net/wireless/mwifiex/cfg80211.c | 3887 ------------------------------- 1 file changed, 3887 deletions(-) delete mode 100644 drivers/net/wireless/mwifiex/cfg80211.c (limited to 'drivers/net/wireless/mwifiex/cfg80211.c') diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c deleted file mode 100644 index 4073116e6..000000000 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ /dev/null @@ -1,3887 +0,0 @@ -/* - * Marvell Wireless LAN device driver: CFG80211 - * - * Copyright (C) 2011-2014, Marvell International Ltd. - * - * This software file (the "File") is distributed by Marvell International - * Ltd. under the terms of the GNU General Public License Version 2, June 1991 - * (the "License"). You may use, redistribute and/or modify this File in - * accordance with the terms and conditions of the License, a copy of which - * is available by writing to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the - * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. - * - * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE - * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE - * ARE EXPRESSLY DISCLAIMED. The License provides additional details about - * this warranty disclaimer. - */ - -#include "cfg80211.h" -#include "main.h" -#include "11n.h" - -static char *reg_alpha2; -module_param(reg_alpha2, charp, 0); - -static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { - { - .max = 2, .types = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_P2P_CLIENT), - }, - { - .max = 1, .types = BIT(NL80211_IFTYPE_AP), - }, -}; - -static const struct ieee80211_iface_combination -mwifiex_iface_comb_ap_sta = { - .limits = mwifiex_ap_sta_limits, - .num_different_channels = 1, - .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), - .max_interfaces = MWIFIEX_MAX_BSS_NUM, - .beacon_int_infra_match = true, - .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | - BIT(NL80211_CHAN_WIDTH_20) | - BIT(NL80211_CHAN_WIDTH_40), -}; - -static const struct ieee80211_iface_combination -mwifiex_iface_comb_ap_sta_vht = { - .limits = mwifiex_ap_sta_limits, - .num_different_channels = 1, - .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), - .max_interfaces = MWIFIEX_MAX_BSS_NUM, - .beacon_int_infra_match = true, - .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | - BIT(NL80211_CHAN_WIDTH_20) | - BIT(NL80211_CHAN_WIDTH_40) | - BIT(NL80211_CHAN_WIDTH_80), -}; - -static const struct -ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = { - .limits = mwifiex_ap_sta_limits, - .num_different_channels = 2, - .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), - .max_interfaces = MWIFIEX_MAX_BSS_NUM, - .beacon_int_infra_match = true, -}; - -/* - * This function maps the nl802.11 channel type into driver channel type. - * - * The mapping is as follows - - * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE - * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE - * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE - * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW - * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE - */ -u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) -{ - switch (chan_type) { - case NL80211_CHAN_NO_HT: - case NL80211_CHAN_HT20: - return IEEE80211_HT_PARAM_CHA_SEC_NONE; - case NL80211_CHAN_HT40PLUS: - return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - case NL80211_CHAN_HT40MINUS: - return IEEE80211_HT_PARAM_CHA_SEC_BELOW; - default: - return IEEE80211_HT_PARAM_CHA_SEC_NONE; - } -} - -/* This function maps IEEE HT secondary channel type to NL80211 channel type - */ -u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset) -{ - switch (second_chan_offset) { - case IEEE80211_HT_PARAM_CHA_SEC_NONE: - return NL80211_CHAN_HT20; - case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: - return NL80211_CHAN_HT40PLUS; - case IEEE80211_HT_PARAM_CHA_SEC_BELOW: - return NL80211_CHAN_HT40MINUS; - default: - return NL80211_CHAN_HT20; - } -} - -/* - * This function checks whether WEP is set. - */ -static int -mwifiex_is_alg_wep(u32 cipher) -{ - switch (cipher) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - return 1; - default: - break; - } - - return 0; -} - -/* - * This function retrieves the private structure from kernel wiphy structure. - */ -static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) -{ - return (void *) (*(unsigned long *) wiphy_priv(wiphy)); -} - -/* - * CFG802.11 operation handler to delete a network key. - */ -static int -mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, - u8 key_index, bool pairwise, const u8 *mac_addr) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); - const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - const u8 *peer_mac = pairwise ? mac_addr : bc_mac; - - if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { - mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); - return -EFAULT; - } - - mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); - return 0; -} - -/* - * This function forms an skb for management frame. - */ -static int -mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) -{ - u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - u16 pkt_len; - u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; - - pkt_len = len + ETH_ALEN; - - skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + - MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); - memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); - - memcpy(skb_push(skb, sizeof(tx_control)), - &tx_control, sizeof(tx_control)); - - memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); - - /* Add packet data and address4 */ - memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf, - sizeof(struct ieee80211_hdr_3addr)); - memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN); - memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)), - buf + sizeof(struct ieee80211_hdr_3addr), - len - sizeof(struct ieee80211_hdr_3addr)); - - skb->priority = LOW_PRIO_TID; - __net_timestamp(skb); - - return 0; -} - -/* - * CFG802.11 operation handler to transmit a management frame. - */ -static int -mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, - struct cfg80211_mgmt_tx_params *params, u64 *cookie) -{ - const u8 *buf = params->buf; - size_t len = params->len; - struct sk_buff *skb; - u16 pkt_len; - const struct ieee80211_mgmt *mgmt; - struct mwifiex_txinfo *tx_info; - struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); - - if (!buf || !len) { - mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); - return -EFAULT; - } - - mgmt = (const struct ieee80211_mgmt *)buf; - if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && - ieee80211_is_probe_resp(mgmt->frame_control)) { - /* Since we support offload probe resp, we need to skip probe - * resp in AP or GO mode */ - mwifiex_dbg(priv->adapter, INFO, - "info: skip to send probe resp in AP or GO mode\n"); - return 0; - } - - pkt_len = len + ETH_ALEN; - skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + - MWIFIEX_MGMT_FRAME_HEADER_SIZE + - pkt_len + sizeof(pkt_len)); - - if (!skb) { - mwifiex_dbg(priv->adapter, ERROR, - "allocate skb failed for management frame\n"); - return -ENOMEM; - } - - tx_info = MWIFIEX_SKB_TXCB(skb); - memset(tx_info, 0, sizeof(*tx_info)); - tx_info->bss_num = priv->bss_num; - tx_info->bss_type = priv->bss_type; - tx_info->pkt_len = pkt_len; - - mwifiex_form_mgmt_frame(skb, buf, len); - *cookie = prandom_u32() | 1; - - if (ieee80211_is_action(mgmt->frame_control)) - skb = mwifiex_clone_skb_for_tx_status(priv, - skb, - MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); - else - cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, - GFP_ATOMIC); - - mwifiex_queue_tx_pkt(priv, skb); - - mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); - return 0; -} - -/* - * CFG802.11 operation handler to register a mgmt frame. - */ -static void -mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, - struct wireless_dev *wdev, - u16 frame_type, bool reg) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); - u32 mask; - - if (reg) - mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); - else - mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); - - if (mask != priv->mgmt_frame_mask) { - priv->mgmt_frame_mask = mask; - mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, - HostCmd_ACT_GEN_SET, 0, - &priv->mgmt_frame_mask, false); - mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); - } -} - -/* - * CFG802.11 operation handler to remain on channel. - */ -static int -mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, - struct wireless_dev *wdev, - struct ieee80211_channel *chan, - unsigned int duration, u64 *cookie) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); - int ret; - - if (!chan || !cookie) { - mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); - return -EINVAL; - } - - if (priv->roc_cfg.cookie) { - mwifiex_dbg(priv->adapter, INFO, - "info: ongoing ROC, cookie = 0x%llx\n", - priv->roc_cfg.cookie); - return -EBUSY; - } - - ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, - duration); - - if (!ret) { - *cookie = prandom_u32() | 1; - priv->roc_cfg.cookie = *cookie; - priv->roc_cfg.chan = *chan; - - cfg80211_ready_on_channel(wdev, *cookie, chan, - duration, GFP_ATOMIC); - - mwifiex_dbg(priv->adapter, INFO, - "info: ROC, cookie = 0x%llx\n", *cookie); - } - - return ret; -} - -/* - * CFG802.11 operation handler to cancel remain on channel. - */ -static int -mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, - struct wireless_dev *wdev, u64 cookie) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); - int ret; - - if (cookie != priv->roc_cfg.cookie) - return -ENOENT; - - ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, - &priv->roc_cfg.chan, 0); - - if (!ret) { - cfg80211_remain_on_channel_expired(wdev, cookie, - &priv->roc_cfg.chan, - GFP_ATOMIC); - - memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); - - mwifiex_dbg(priv->adapter, INFO, - "info: cancel ROC, cookie = 0x%llx\n", cookie); - } - - return ret; -} - -/* - * CFG802.11 operation handler to set Tx power. - */ -static int -mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, - struct wireless_dev *wdev, - enum nl80211_tx_power_setting type, - int mbm) -{ - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - struct mwifiex_private *priv; - struct mwifiex_power_cfg power_cfg; - int dbm = MBM_TO_DBM(mbm); - - if (type == NL80211_TX_POWER_FIXED) { - power_cfg.is_power_auto = 0; - power_cfg.power_level = dbm; - } else { - power_cfg.is_power_auto = 1; - } - - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - - return mwifiex_set_tx_power(priv, &power_cfg); -} - -/* - * CFG802.11 operation handler to set Power Save option. - * - * The timeout value, if provided, is currently ignored. - */ -static int -mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, - struct net_device *dev, - bool enabled, int timeout) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - u32 ps_mode; - - if (timeout) - mwifiex_dbg(priv->adapter, INFO, - "info: ignore timeout value for IEEE Power Save\n"); - - ps_mode = enabled; - - return mwifiex_drv_set_power(priv, &ps_mode); -} - -/* - * CFG802.11 operation handler to set the default network key. - */ -static int -mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, - u8 key_index, bool unicast, - bool multicast) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); - - /* Return if WEP key not configured */ - if (!priv->sec_info.wep_enabled) - return 0; - - if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { - priv->wep_key_curr_index = key_index; - } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, - NULL, 0)) { - mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); - return -EFAULT; - } - - return 0; -} - -/* - * CFG802.11 operation handler to add a network key. - */ -static int -mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, - u8 key_index, bool pairwise, const u8 *mac_addr, - struct key_params *params) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); - struct mwifiex_wep_key *wep_key; - const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - const u8 *peer_mac = pairwise ? mac_addr : bc_mac; - - if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && - (params->cipher == WLAN_CIPHER_SUITE_WEP40 || - params->cipher == WLAN_CIPHER_SUITE_WEP104)) { - if (params->key && params->key_len) { - wep_key = &priv->wep_key[key_index]; - memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); - memcpy(wep_key->key_material, params->key, - params->key_len); - wep_key->key_index = key_index; - wep_key->key_length = params->key_len; - priv->sec_info.wep_enabled = 1; - } - return 0; - } - - if (mwifiex_set_encode(priv, params, params->key, params->key_len, - key_index, peer_mac, 0)) { - mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); - return -EFAULT; - } - - return 0; -} - -/* - * This function sends domain information to the firmware. - * - * The following information are passed to the firmware - - * - Country codes - * - Sub bands (first channel, number of channels, maximum Tx power) - */ -int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) -{ - u8 no_of_triplet = 0; - struct ieee80211_country_ie_triplet *t; - u8 no_of_parsed_chan = 0; - u8 first_chan = 0, next_chan = 0, max_pwr = 0; - u8 i, flag = 0; - enum ieee80211_band band; - struct ieee80211_supported_band *sband; - struct ieee80211_channel *ch; - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - struct mwifiex_private *priv; - struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; - - /* Set country code */ - domain_info->country_code[0] = adapter->country_code[0]; - domain_info->country_code[1] = adapter->country_code[1]; - domain_info->country_code[2] = ' '; - - band = mwifiex_band_to_radio_type(adapter->config_bands); - if (!wiphy->bands[band]) { - mwifiex_dbg(adapter, ERROR, - "11D: setting domain info in FW\n"); - return -1; - } - - sband = wiphy->bands[band]; - - for (i = 0; i < sband->n_channels ; i++) { - ch = &sband->channels[i]; - if (ch->flags & IEEE80211_CHAN_DISABLED) - continue; - - if (!flag) { - flag = 1; - first_chan = (u32) ch->hw_value; - next_chan = first_chan; - max_pwr = ch->max_power; - no_of_parsed_chan = 1; - continue; - } - - if (ch->hw_value == next_chan + 1 && - ch->max_power == max_pwr) { - next_chan++; - no_of_parsed_chan++; - } else { - t = &domain_info->triplet[no_of_triplet]; - t->chans.first_channel = first_chan; - t->chans.num_channels = no_of_parsed_chan; - t->chans.max_power = max_pwr; - no_of_triplet++; - first_chan = (u32) ch->hw_value; - next_chan = first_chan; - max_pwr = ch->max_power; - no_of_parsed_chan = 1; - } - } - - if (flag) { - t = &domain_info->triplet[no_of_triplet]; - t->chans.first_channel = first_chan; - t->chans.num_channels = no_of_parsed_chan; - t->chans.max_power = max_pwr; - no_of_triplet++; - } - - domain_info->no_of_triplet = no_of_triplet; - - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - - if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, - HostCmd_ACT_GEN_SET, 0, NULL, false)) { - mwifiex_dbg(adapter, INFO, - "11D: setting domain info in FW\n"); - return -1; - } - - return 0; -} - -/* - * CFG802.11 regulatory domain callback function. - * - * This function is called when the regulatory domain is changed due to the - * following reasons - - * - Set by driver - * - Set by system core - * - Set by user - * - Set bt Country IE - */ -static void mwifiex_reg_notifier(struct wiphy *wiphy, - struct regulatory_request *request) -{ - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - struct mwifiex_private *priv = mwifiex_get_priv(adapter, - MWIFIEX_BSS_ROLE_ANY); - mwifiex_dbg(adapter, INFO, - "info: cfg80211 regulatory domain callback for %c%c\n", - request->alpha2[0], request->alpha2[1]); - - switch (request->initiator) { - case NL80211_REGDOM_SET_BY_DRIVER: - case NL80211_REGDOM_SET_BY_CORE: - case NL80211_REGDOM_SET_BY_USER: - case NL80211_REGDOM_SET_BY_COUNTRY_IE: - break; - default: - mwifiex_dbg(adapter, ERROR, - "unknown regdom initiator: %d\n", - request->initiator); - return; - } - - /* Don't send world or same regdom info to firmware */ - if (strncmp(request->alpha2, "00", 2) && - strncmp(request->alpha2, adapter->country_code, - sizeof(request->alpha2))) { - memcpy(adapter->country_code, request->alpha2, - sizeof(request->alpha2)); - mwifiex_send_domain_info_cmd_fw(wiphy); - mwifiex_dnld_txpwr_table(priv); - } -} - -/* - * This function sets the fragmentation threshold. - * - * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE - * and MWIFIEX_FRAG_MAX_VALUE. - */ -static int -mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) -{ - if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || - frag_thr > MWIFIEX_FRAG_MAX_VALUE) - frag_thr = MWIFIEX_FRAG_MAX_VALUE; - - return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, - HostCmd_ACT_GEN_SET, FRAG_THRESH_I, - &frag_thr, true); -} - -/* - * This function sets the RTS threshold. - - * The rts value must lie between MWIFIEX_RTS_MIN_VALUE - * and MWIFIEX_RTS_MAX_VALUE. - */ -static int -mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) -{ - if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) - rts_thr = MWIFIEX_RTS_MAX_VALUE; - - return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, - HostCmd_ACT_GEN_SET, RTS_THRESH_I, - &rts_thr, true); -} - -/* - * CFG802.11 operation handler to set wiphy parameters. - * - * This function can be used to set the RTS threshold and the - * Fragmentation threshold of the driver. - */ -static int -mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) -{ - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - struct mwifiex_private *priv; - struct mwifiex_uap_bss_param *bss_cfg; - int ret; - - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); - - switch (priv->bss_role) { - case MWIFIEX_BSS_ROLE_UAP: - if (priv->bss_started) { - mwifiex_dbg(adapter, ERROR, - "cannot change wiphy params when bss started"); - return -EINVAL; - } - - bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); - if (!bss_cfg) - return -ENOMEM; - - mwifiex_set_sys_config_invalid_data(bss_cfg); - - if (changed & WIPHY_PARAM_RTS_THRESHOLD) - bss_cfg->rts_threshold = wiphy->rts_threshold; - if (changed & WIPHY_PARAM_FRAG_THRESHOLD) - bss_cfg->frag_threshold = wiphy->frag_threshold; - if (changed & WIPHY_PARAM_RETRY_LONG) - bss_cfg->retry_limit = wiphy->retry_long; - - ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, - HostCmd_ACT_GEN_SET, - UAP_BSS_PARAMS_I, bss_cfg, - false); - - kfree(bss_cfg); - if (ret) { - mwifiex_dbg(adapter, ERROR, - "Failed to set wiphy phy params\n"); - return ret; - } - break; - - case MWIFIEX_BSS_ROLE_STA: - if (priv->media_connected) { - mwifiex_dbg(adapter, ERROR, - "cannot change wiphy params when connected"); - return -EINVAL; - } - if (changed & WIPHY_PARAM_RTS_THRESHOLD) { - ret = mwifiex_set_rts(priv, - wiphy->rts_threshold); - if (ret) - return ret; - } - if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { - ret = mwifiex_set_frag(priv, - wiphy->frag_threshold); - if (ret) - return ret; - } - break; - } - - return 0; -} - -static int -mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) -{ - u16 mode = P2P_MODE_DISABLE; - - if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, - HostCmd_ACT_GEN_SET, 0, &mode, true)) - return -1; - - return 0; -} - -/* - * This function initializes the functionalities for P2P client. - * The P2P client initialization sequence is: - * disable -> device -> client - */ -static int -mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) -{ - u16 mode; - - if (mwifiex_cfg80211_deinit_p2p(priv)) - return -1; - - mode = P2P_MODE_DEVICE; - if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, - HostCmd_ACT_GEN_SET, 0, &mode, true)) - return -1; - - mode = P2P_MODE_CLIENT; - if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, - HostCmd_ACT_GEN_SET, 0, &mode, true)) - return -1; - - return 0; -} - -/* - * This function initializes the functionalities for P2P GO. - * The P2P GO initialization sequence is: - * disable -> device -> GO - */ -static int -mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) -{ - u16 mode; - - if (mwifiex_cfg80211_deinit_p2p(priv)) - return -1; - - mode = P2P_MODE_DEVICE; - if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, - HostCmd_ACT_GEN_SET, 0, &mode, true)) - return -1; - - mode = P2P_MODE_GO; - if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, - HostCmd_ACT_GEN_SET, 0, &mode, true)) - return -1; - - return 0; -} - -static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) -{ - struct mwifiex_adapter *adapter = priv->adapter; - unsigned long flags; - - priv->mgmt_frame_mask = 0; - if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, - HostCmd_ACT_GEN_SET, 0, - &priv->mgmt_frame_mask, false)) { - mwifiex_dbg(adapter, ERROR, - "could not unregister mgmt frame rx\n"); - return -1; - } - - mwifiex_deauthenticate(priv, NULL); - - spin_lock_irqsave(&adapter->main_proc_lock, flags); - adapter->main_locked = true; - if (adapter->mwifiex_processing) { - spin_unlock_irqrestore(&adapter->main_proc_lock, flags); - flush_workqueue(adapter->workqueue); - } else { - spin_unlock_irqrestore(&adapter->main_proc_lock, flags); - } - - spin_lock_irqsave(&adapter->rx_proc_lock, flags); - adapter->rx_locked = true; - if (adapter->rx_processing) { - spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); - flush_workqueue(adapter->rx_workqueue); - } else { - spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); - } - - mwifiex_free_priv(priv); - priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; - priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; - - return 0; -} - -static int -mwifiex_init_new_priv_params(struct mwifiex_private *priv, - struct net_device *dev, - enum nl80211_iftype type) -{ - struct mwifiex_adapter *adapter = priv->adapter; - unsigned long flags; - - mwifiex_init_priv(priv); - - priv->bss_mode = type; - priv->wdev.iftype = type; - - mwifiex_init_priv_params(priv, priv->netdev); - priv->bss_started = 0; - - switch (type) { - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_ADHOC: - priv->bss_role = MWIFIEX_BSS_ROLE_STA; - priv->bss_type = MWIFIEX_BSS_TYPE_STA; - break; - case NL80211_IFTYPE_P2P_CLIENT: - priv->bss_role = MWIFIEX_BSS_ROLE_STA; - priv->bss_type = MWIFIEX_BSS_TYPE_P2P; - break; - case NL80211_IFTYPE_P2P_GO: - priv->bss_role = MWIFIEX_BSS_ROLE_UAP; - priv->bss_type = MWIFIEX_BSS_TYPE_P2P; - break; - case NL80211_IFTYPE_AP: - priv->bss_type = MWIFIEX_BSS_TYPE_UAP; - priv->bss_role = MWIFIEX_BSS_ROLE_UAP; - break; - default: - mwifiex_dbg(adapter, ERROR, - "%s: changing to %d not supported\n", - dev->name, type); - return -EOPNOTSUPP; - } - - spin_lock_irqsave(&adapter->main_proc_lock, flags); - adapter->main_locked = false; - spin_unlock_irqrestore(&adapter->main_proc_lock, flags); - - spin_lock_irqsave(&adapter->rx_proc_lock, flags); - adapter->rx_locked = false; - spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); - - return 0; -} - -static int -mwifiex_change_vif_to_p2p(struct net_device *dev, - enum nl80211_iftype curr_iftype, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - struct mwifiex_private *priv; - struct mwifiex_adapter *adapter; - - priv = mwifiex_netdev_get_priv(dev); - - if (!priv) - return -1; - - adapter = priv->adapter; - - if (adapter->curr_iface_comb.p2p_intf == - adapter->iface_limit.p2p_intf) { - mwifiex_dbg(adapter, ERROR, - "cannot create multiple P2P ifaces\n"); - return -1; - } - - mwifiex_dbg(adapter, INFO, - "%s: changing role to p2p\n", dev->name); - - if (mwifiex_deinit_priv_params(priv)) - return -1; - if (mwifiex_init_new_priv_params(priv, dev, type)) - return -1; - - switch (type) { - case NL80211_IFTYPE_P2P_CLIENT: - if (mwifiex_cfg80211_init_p2p_client(priv)) - return -EFAULT; - break; - case NL80211_IFTYPE_P2P_GO: - if (mwifiex_cfg80211_init_p2p_go(priv)) - return -EFAULT; - break; - default: - mwifiex_dbg(adapter, ERROR, - "%s: changing to %d not supported\n", - dev->name, type); - return -EOPNOTSUPP; - } - - if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, - HostCmd_ACT_GEN_SET, 0, NULL, true)) - return -1; - - if (mwifiex_sta_init_cmd(priv, false, false)) - return -1; - - switch (curr_iftype) { - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_ADHOC: - adapter->curr_iface_comb.sta_intf--; - break; - case NL80211_IFTYPE_AP: - adapter->curr_iface_comb.uap_intf--; - break; - default: - break; - } - - adapter->curr_iface_comb.p2p_intf++; - dev->ieee80211_ptr->iftype = type; - - return 0; -} - -static int -mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, - enum nl80211_iftype curr_iftype, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - struct mwifiex_private *priv; - struct mwifiex_adapter *adapter; - - priv = mwifiex_netdev_get_priv(dev); - - if (!priv) - return -1; - - adapter = priv->adapter; - - if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && - curr_iftype != NL80211_IFTYPE_P2P_GO) && - (adapter->curr_iface_comb.sta_intf == - adapter->iface_limit.sta_intf)) { - mwifiex_dbg(adapter, ERROR, - "cannot create multiple station/adhoc ifaces\n"); - return -1; - } - - if (type == NL80211_IFTYPE_STATION) - mwifiex_dbg(adapter, INFO, - "%s: changing role to station\n", dev->name); - else - mwifiex_dbg(adapter, INFO, - "%s: changing role to adhoc\n", dev->name); - - if (mwifiex_deinit_priv_params(priv)) - return -1; - if (mwifiex_init_new_priv_params(priv, dev, type)) - return -1; - if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, - HostCmd_ACT_GEN_SET, 0, NULL, true)) - return -1; - if (mwifiex_sta_init_cmd(priv, false, false)) - return -1; - - switch (curr_iftype) { - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - adapter->curr_iface_comb.p2p_intf--; - break; - case NL80211_IFTYPE_AP: - adapter->curr_iface_comb.uap_intf--; - break; - default: - break; - } - - adapter->curr_iface_comb.sta_intf++; - dev->ieee80211_ptr->iftype = type; - return 0; -} - -static int -mwifiex_change_vif_to_ap(struct net_device *dev, - enum nl80211_iftype curr_iftype, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - struct mwifiex_private *priv; - struct mwifiex_adapter *adapter; - - priv = mwifiex_netdev_get_priv(dev); - - if (!priv) - return -1; - - adapter = priv->adapter; - - if (adapter->curr_iface_comb.uap_intf == - adapter->iface_limit.uap_intf) { - mwifiex_dbg(adapter, ERROR, - "cannot create multiple AP ifaces\n"); - return -1; - } - - mwifiex_dbg(adapter, INFO, - "%s: changing role to AP\n", dev->name); - - if (mwifiex_deinit_priv_params(priv)) - return -1; - if (mwifiex_init_new_priv_params(priv, dev, type)) - return -1; - if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, - HostCmd_ACT_GEN_SET, 0, NULL, true)) - return -1; - if (mwifiex_sta_init_cmd(priv, false, false)) - return -1; - - switch (curr_iftype) { - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - adapter->curr_iface_comb.p2p_intf--; - break; - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_ADHOC: - adapter->curr_iface_comb.sta_intf--; - break; - default: - break; - } - - adapter->curr_iface_comb.uap_intf++; - dev->ieee80211_ptr->iftype = type; - return 0; -} -/* - * CFG802.11 operation handler to change interface type. - */ -static int -mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, - struct net_device *dev, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; - - switch (curr_iftype) { - case NL80211_IFTYPE_ADHOC: - switch (type) { - case NL80211_IFTYPE_STATION: - priv->bss_mode = type; - priv->sec_info.authentication_mode = - NL80211_AUTHTYPE_OPEN_SYSTEM; - dev->ieee80211_ptr->iftype = type; - mwifiex_deauthenticate(priv, NULL); - return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, - HostCmd_ACT_GEN_SET, 0, NULL, - true); - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - return mwifiex_change_vif_to_p2p(dev, curr_iftype, - type, flags, params); - case NL80211_IFTYPE_AP: - return mwifiex_change_vif_to_ap(dev, curr_iftype, type, - flags, params); - case NL80211_IFTYPE_UNSPECIFIED: - mwifiex_dbg(priv->adapter, INFO, - "%s: kept type as IBSS\n", dev->name); - case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ - return 0; - default: - mwifiex_dbg(priv->adapter, ERROR, - "%s: changing to %d not supported\n", - dev->name, type); - return -EOPNOTSUPP; - } - break; - case NL80211_IFTYPE_STATION: - switch (type) { - case NL80211_IFTYPE_ADHOC: - priv->bss_mode = type; - priv->sec_info.authentication_mode = - NL80211_AUTHTYPE_OPEN_SYSTEM; - dev->ieee80211_ptr->iftype = type; - mwifiex_deauthenticate(priv, NULL); - return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, - HostCmd_ACT_GEN_SET, 0, NULL, - true); - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - return mwifiex_change_vif_to_p2p(dev, curr_iftype, - type, flags, params); - case NL80211_IFTYPE_AP: - return mwifiex_change_vif_to_ap(dev, curr_iftype, type, - flags, params); - case NL80211_IFTYPE_UNSPECIFIED: - mwifiex_dbg(priv->adapter, INFO, - "%s: kept type as STA\n", dev->name); - case NL80211_IFTYPE_STATION: /* This shouldn't happen */ - return 0; - default: - mwifiex_dbg(priv->adapter, ERROR, - "%s: changing to %d not supported\n", - dev->name, type); - return -EOPNOTSUPP; - } - break; - case NL80211_IFTYPE_AP: - switch (type) { - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_STATION: - return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, - type, flags, - params); - break; - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - return mwifiex_change_vif_to_p2p(dev, curr_iftype, - type, flags, params); - case NL80211_IFTYPE_UNSPECIFIED: - mwifiex_dbg(priv->adapter, INFO, - "%s: kept type as AP\n", dev->name); - case NL80211_IFTYPE_AP: /* This shouldn't happen */ - return 0; - default: - mwifiex_dbg(priv->adapter, ERROR, - "%s: changing to %d not supported\n", - dev->name, type); - return -EOPNOTSUPP; - } - break; - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - switch (type) { - case NL80211_IFTYPE_STATION: - if (mwifiex_cfg80211_deinit_p2p(priv)) - return -EFAULT; - priv->adapter->curr_iface_comb.p2p_intf--; - priv->adapter->curr_iface_comb.sta_intf++; - dev->ieee80211_ptr->iftype = type; - break; - case NL80211_IFTYPE_ADHOC: - if (mwifiex_cfg80211_deinit_p2p(priv)) - return -EFAULT; - return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, - type, flags, - params); - break; - case NL80211_IFTYPE_AP: - if (mwifiex_cfg80211_deinit_p2p(priv)) - return -EFAULT; - return mwifiex_change_vif_to_ap(dev, curr_iftype, type, - flags, params); - case NL80211_IFTYPE_UNSPECIFIED: - mwifiex_dbg(priv->adapter, INFO, - "%s: kept type as P2P\n", dev->name); - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - return 0; - default: - mwifiex_dbg(priv->adapter, ERROR, - "%s: changing to %d not supported\n", - dev->name, type); - return -EOPNOTSUPP; - } - break; - default: - mwifiex_dbg(priv->adapter, ERROR, - "%s: unknown iftype: %d\n", - dev->name, dev->ieee80211_ptr->iftype); - return -EOPNOTSUPP; - } - - - return 0; -} - -static void -mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, - struct rate_info *rate) -{ - struct mwifiex_adapter *adapter = priv->adapter; - - if (adapter->is_hw_11ac_capable) { - /* bit[1-0]: 00=LG 01=HT 10=VHT */ - if (tx_htinfo & BIT(0)) { - /* HT */ - rate->mcs = priv->tx_rate; - rate->flags |= RATE_INFO_FLAGS_MCS; - } - if (tx_htinfo & BIT(1)) { - /* VHT */ - rate->mcs = priv->tx_rate & 0x0F; - rate->flags |= RATE_INFO_FLAGS_VHT_MCS; - } - - if (tx_htinfo & (BIT(1) | BIT(0))) { - /* HT or VHT */ - switch (tx_htinfo & (BIT(3) | BIT(2))) { - case 0: - rate->bw = RATE_INFO_BW_20; - break; - case (BIT(2)): - rate->bw = RATE_INFO_BW_40; - break; - case (BIT(3)): - rate->bw = RATE_INFO_BW_80; - break; - case (BIT(3) | BIT(2)): - rate->bw = RATE_INFO_BW_160; - break; - } - - if (tx_htinfo & BIT(4)) - rate->flags |= RATE_INFO_FLAGS_SHORT_GI; - - if ((priv->tx_rate >> 4) == 1) - rate->nss = 2; - else - rate->nss = 1; - } - } else { - /* - * Bit 0 in tx_htinfo indicates that current Tx rate - * is 11n rate. Valid MCS index values for us are 0 to 15. - */ - if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { - rate->mcs = priv->tx_rate; - rate->flags |= RATE_INFO_FLAGS_MCS; - rate->bw = RATE_INFO_BW_20; - if (tx_htinfo & BIT(1)) - rate->bw = RATE_INFO_BW_40; - if (tx_htinfo & BIT(2)) - rate->flags |= RATE_INFO_FLAGS_SHORT_GI; - } - } -} - -/* - * This function dumps the station information on a buffer. - * - * The following information are shown - - * - Total bytes transmitted - * - Total bytes received - * - Total packets transmitted - * - Total packets received - * - Signal quality level - * - Transmission rate - */ -static int -mwifiex_dump_station_info(struct mwifiex_private *priv, - struct mwifiex_sta_node *node, - struct station_info *sinfo) -{ - u32 rate; - - sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | - BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | - BIT(NL80211_STA_INFO_TX_BITRATE) | - BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); - - if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { - if (!node) - return -ENOENT; - - sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) | - BIT(NL80211_STA_INFO_TX_FAILED); - sinfo->inactive_time = - jiffies_to_msecs(jiffies - node->stats.last_rx); - - sinfo->signal = node->stats.rssi; - sinfo->signal_avg = node->stats.rssi; - sinfo->rx_bytes = node->stats.rx_bytes; - sinfo->tx_bytes = node->stats.tx_bytes; - sinfo->rx_packets = node->stats.rx_packets; - sinfo->tx_packets = node->stats.tx_packets; - sinfo->tx_failed = node->stats.tx_failed; - - mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo, - &sinfo->txrate); - sinfo->txrate.legacy = node->stats.last_tx_rate * 5; - - return 0; - } - - /* Get signal information from the firmware */ - if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, - HostCmd_ACT_GEN_GET, 0, NULL, true)) { - mwifiex_dbg(priv->adapter, ERROR, - "failed to get signal information\n"); - return -EFAULT; - } - - if (mwifiex_drv_get_data_rate(priv, &rate)) { - mwifiex_dbg(priv->adapter, ERROR, - "getting data rate error\n"); - return -EFAULT; - } - - /* Get DTIM period information from firmware */ - mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, - HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, - &priv->dtim_period, true); - - mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); - - sinfo->signal_avg = priv->bcn_rssi_avg; - sinfo->rx_bytes = priv->stats.rx_bytes; - sinfo->tx_bytes = priv->stats.tx_bytes; - sinfo->rx_packets = priv->stats.rx_packets; - sinfo->tx_packets = priv->stats.tx_packets; - sinfo->signal = priv->bcn_rssi_avg; - /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ - sinfo->txrate.legacy = rate * 5; - - if (priv->bss_mode == NL80211_IFTYPE_STATION) { - sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); - sinfo->bss_param.flags = 0; - if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & - WLAN_CAPABILITY_SHORT_PREAMBLE) - sinfo->bss_param.flags |= - BSS_PARAM_FLAGS_SHORT_PREAMBLE; - if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & - WLAN_CAPABILITY_SHORT_SLOT_TIME) - sinfo->bss_param.flags |= - BSS_PARAM_FLAGS_SHORT_SLOT_TIME; - sinfo->bss_param.dtim_period = priv->dtim_period; - sinfo->bss_param.beacon_interval = - priv->curr_bss_params.bss_descriptor.beacon_period; - } - - return 0; -} - -/* - * CFG802.11 operation handler to get station information. - * - * This function only works in connected mode, and dumps the - * requested station information, if available. - */ -static int -mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, - const u8 *mac, struct station_info *sinfo) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - if (!priv->media_connected) - return -ENOENT; - if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) - return -ENOENT; - - return mwifiex_dump_station_info(priv, NULL, sinfo); -} - -/* - * CFG802.11 operation handler to dump station information. - */ -static int -mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, - int idx, u8 *mac, struct station_info *sinfo) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - static struct mwifiex_sta_node *node; - - if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && - priv->media_connected && idx == 0) { - ether_addr_copy(mac, priv->cfg_bssid); - return mwifiex_dump_station_info(priv, NULL, sinfo); - } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { - mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, - HostCmd_ACT_GEN_GET, 0, NULL, true); - - if (node && (&node->list == &priv->sta_list)) { - node = NULL; - return -ENOENT; - } - - node = list_prepare_entry(node, &priv->sta_list, list); - list_for_each_entry_continue(node, &priv->sta_list, list) { - ether_addr_copy(mac, node->mac_addr); - return mwifiex_dump_station_info(priv, node, sinfo); - } - } - - return -ENOENT; -} - -static int -mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, - int idx, struct survey_info *survey) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; - enum ieee80211_band band; - - mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); - - memset(survey, 0, sizeof(struct survey_info)); - - if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && - priv->media_connected && idx == 0) { - u8 curr_bss_band = priv->curr_bss_params.band; - u32 chan = priv->curr_bss_params.bss_descriptor.channel; - - band = mwifiex_band_to_radio_type(curr_bss_band); - survey->channel = ieee80211_get_channel(wiphy, - ieee80211_channel_to_frequency(chan, band)); - - if (priv->bcn_nf_last) { - survey->filled = SURVEY_INFO_NOISE_DBM; - survey->noise = priv->bcn_nf_last; - } - return 0; - } - - if (idx >= priv->adapter->num_in_chan_stats) - return -ENOENT; - - if (!pchan_stats[idx].cca_scan_dur) - return 0; - - band = pchan_stats[idx].bandcfg; - survey->channel = ieee80211_get_channel(wiphy, - ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); - survey->filled = SURVEY_INFO_NOISE_DBM | - SURVEY_INFO_TIME | - SURVEY_INFO_TIME_BUSY; - survey->noise = pchan_stats[idx].noise; - survey->time = pchan_stats[idx].cca_scan_dur; - survey->time_busy = pchan_stats[idx].cca_busy_dur; - - return 0; -} - -/* Supported rates to be advertised to the cfg80211 */ -static struct ieee80211_rate mwifiex_rates[] = { - {.bitrate = 10, .hw_value = 2, }, - {.bitrate = 20, .hw_value = 4, }, - {.bitrate = 55, .hw_value = 11, }, - {.bitrate = 110, .hw_value = 22, }, - {.bitrate = 60, .hw_value = 12, }, - {.bitrate = 90, .hw_value = 18, }, - {.bitrate = 120, .hw_value = 24, }, - {.bitrate = 180, .hw_value = 36, }, - {.bitrate = 240, .hw_value = 48, }, - {.bitrate = 360, .hw_value = 72, }, - {.bitrate = 480, .hw_value = 96, }, - {.bitrate = 540, .hw_value = 108, }, -}; - -/* Channel definitions to be advertised to cfg80211 */ -static struct ieee80211_channel mwifiex_channels_2ghz[] = { - {.center_freq = 2412, .hw_value = 1, }, - {.center_freq = 2417, .hw_value = 2, }, - {.center_freq = 2422, .hw_value = 3, }, - {.center_freq = 2427, .hw_value = 4, }, - {.center_freq = 2432, .hw_value = 5, }, - {.center_freq = 2437, .hw_value = 6, }, - {.center_freq = 2442, .hw_value = 7, }, - {.center_freq = 2447, .hw_value = 8, }, - {.center_freq = 2452, .hw_value = 9, }, - {.center_freq = 2457, .hw_value = 10, }, - {.center_freq = 2462, .hw_value = 11, }, - {.center_freq = 2467, .hw_value = 12, }, - {.center_freq = 2472, .hw_value = 13, }, - {.center_freq = 2484, .hw_value = 14, }, -}; - -static struct ieee80211_supported_band mwifiex_band_2ghz = { - .channels = mwifiex_channels_2ghz, - .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), - .bitrates = mwifiex_rates, - .n_bitrates = ARRAY_SIZE(mwifiex_rates), -}; - -static struct ieee80211_channel mwifiex_channels_5ghz[] = { - {.center_freq = 5040, .hw_value = 8, }, - {.center_freq = 5060, .hw_value = 12, }, - {.center_freq = 5080, .hw_value = 16, }, - {.center_freq = 5170, .hw_value = 34, }, - {.center_freq = 5190, .hw_value = 38, }, - {.center_freq = 5210, .hw_value = 42, }, - {.center_freq = 5230, .hw_value = 46, }, - {.center_freq = 5180, .hw_value = 36, }, - {.center_freq = 5200, .hw_value = 40, }, - {.center_freq = 5220, .hw_value = 44, }, - {.center_freq = 5240, .hw_value = 48, }, - {.center_freq = 5260, .hw_value = 52, }, - {.center_freq = 5280, .hw_value = 56, }, - {.center_freq = 5300, .hw_value = 60, }, - {.center_freq = 5320, .hw_value = 64, }, - {.center_freq = 5500, .hw_value = 100, }, - {.center_freq = 5520, .hw_value = 104, }, - {.center_freq = 5540, .hw_value = 108, }, - {.center_freq = 5560, .hw_value = 112, }, - {.center_freq = 5580, .hw_value = 116, }, - {.center_freq = 5600, .hw_value = 120, }, - {.center_freq = 5620, .hw_value = 124, }, - {.center_freq = 5640, .hw_value = 128, }, - {.center_freq = 5660, .hw_value = 132, }, - {.center_freq = 5680, .hw_value = 136, }, - {.center_freq = 5700, .hw_value = 140, }, - {.center_freq = 5745, .hw_value = 149, }, - {.center_freq = 5765, .hw_value = 153, }, - {.center_freq = 5785, .hw_value = 157, }, - {.center_freq = 5805, .hw_value = 161, }, - {.center_freq = 5825, .hw_value = 165, }, -}; - -static struct ieee80211_supported_band mwifiex_band_5ghz = { - .channels = mwifiex_channels_5ghz, - .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), - .bitrates = mwifiex_rates + 4, - .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, -}; - - -/* Supported crypto cipher suits to be advertised to cfg80211 */ -static const u32 mwifiex_cipher_suites[] = { - WLAN_CIPHER_SUITE_WEP40, - WLAN_CIPHER_SUITE_WEP104, - WLAN_CIPHER_SUITE_TKIP, - WLAN_CIPHER_SUITE_CCMP, - WLAN_CIPHER_SUITE_AES_CMAC, -}; - -/* Supported mgmt frame types to be advertised to cfg80211 */ -static const struct ieee80211_txrx_stypes -mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { - [NL80211_IFTYPE_STATION] = { - .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_RESP >> 4), - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4), - }, - [NL80211_IFTYPE_AP] = { - .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_RESP >> 4), - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4), - }, - [NL80211_IFTYPE_P2P_CLIENT] = { - .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_RESP >> 4), - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4), - }, - [NL80211_IFTYPE_P2P_GO] = { - .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_RESP >> 4), - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4), - }, -}; - -/* - * CFG802.11 operation handler for setting bit rates. - * - * Function configures data rates to firmware using bitrate mask - * provided by cfg80211. - */ -static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, - struct net_device *dev, - const u8 *peer, - const struct cfg80211_bitrate_mask *mask) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; - enum ieee80211_band band; - struct mwifiex_adapter *adapter = priv->adapter; - - if (!priv->media_connected) { - mwifiex_dbg(adapter, ERROR, - "Can not set Tx data rate in disconnected state\n"); - return -EINVAL; - } - - band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); - - memset(bitmap_rates, 0, sizeof(bitmap_rates)); - - /* Fill HR/DSSS rates. */ - if (band == IEEE80211_BAND_2GHZ) - bitmap_rates[0] = mask->control[band].legacy & 0x000f; - - /* Fill OFDM rates */ - if (band == IEEE80211_BAND_2GHZ) - bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; - else - bitmap_rates[1] = mask->control[band].legacy; - - /* Fill HT MCS rates */ - bitmap_rates[2] = mask->control[band].ht_mcs[0]; - if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) - bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; - - /* Fill VHT MCS rates */ - if (adapter->fw_api_ver == MWIFIEX_FW_V15) { - bitmap_rates[10] = mask->control[band].vht_mcs[0]; - if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) - bitmap_rates[11] = mask->control[band].vht_mcs[1]; - } - - return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, - HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); -} - -/* - * CFG802.11 operation handler for connection quality monitoring. - * - * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI - * events to FW. - */ -static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, - struct net_device *dev, - s32 rssi_thold, u32 rssi_hyst) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - struct mwifiex_ds_misc_subsc_evt subsc_evt; - - priv->cqm_rssi_thold = rssi_thold; - priv->cqm_rssi_hyst = rssi_hyst; - - memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); - subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; - - /* Subscribe/unsubscribe low and high rssi events */ - if (rssi_thold && rssi_hyst) { - subsc_evt.action = HostCmd_ACT_BITWISE_SET; - subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); - subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); - subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; - subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; - return mwifiex_send_cmd(priv, - HostCmd_CMD_802_11_SUBSCRIBE_EVENT, - 0, 0, &subsc_evt, true); - } else { - subsc_evt.action = HostCmd_ACT_BITWISE_CLR; - return mwifiex_send_cmd(priv, - HostCmd_CMD_802_11_SUBSCRIBE_EVENT, - 0, 0, &subsc_evt, true); - } - - return 0; -} - -/* cfg80211 operation handler for change_beacon. - * Function retrieves and sets modified management IEs to FW. - */ -static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, - struct net_device *dev, - struct cfg80211_beacon_data *data) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { - mwifiex_dbg(priv->adapter, ERROR, - "%s: bss_type mismatched\n", __func__); - return -EINVAL; - } - - if (!priv->bss_started) { - mwifiex_dbg(priv->adapter, ERROR, - "%s: bss not started\n", __func__); - return -EINVAL; - } - - if (mwifiex_set_mgmt_ies(priv, data)) { - mwifiex_dbg(priv->adapter, ERROR, - "%s: setting mgmt ies failed\n", __func__); - return -EFAULT; - } - - return 0; -} - -/* cfg80211 operation handler for del_station. - * Function deauthenticates station which value is provided in mac parameter. - * If mac is NULL/broadcast, all stations in associated station list are - * deauthenticated. If bss is not started or there are no stations in - * associated stations list, no action is taken. - */ -static int -mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, - struct station_del_parameters *params) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - struct mwifiex_sta_node *sta_node; - u8 deauth_mac[ETH_ALEN]; - unsigned long flags; - - if (list_empty(&priv->sta_list) || !priv->bss_started) - return 0; - - if (!params->mac || is_broadcast_ether_addr(params->mac)) - return 0; - - mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", - __func__, params->mac); - - eth_zero_addr(deauth_mac); - - spin_lock_irqsave(&priv->sta_list_spinlock, flags); - sta_node = mwifiex_get_sta_entry(priv, params->mac); - if (sta_node) - ether_addr_copy(deauth_mac, params->mac); - spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); - - if (is_valid_ether_addr(deauth_mac)) { - if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, - HostCmd_ACT_GEN_SET, 0, - deauth_mac, true)) - return -1; - } - - return 0; -} - -static int -mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) -{ - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - struct mwifiex_private *priv = mwifiex_get_priv(adapter, - MWIFIEX_BSS_ROLE_ANY); - struct mwifiex_ds_ant_cfg ant_cfg; - - if (!tx_ant || !rx_ant) - return -EOPNOTSUPP; - - if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { - /* Not a MIMO chip. User should provide specific antenna number - * for Tx/Rx path or enable all antennas for diversity - */ - if (tx_ant != rx_ant) - return -EOPNOTSUPP; - - if ((tx_ant & (tx_ant - 1)) && - (tx_ant != BIT(adapter->number_of_antenna) - 1)) - return -EOPNOTSUPP; - - if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && - (priv->adapter->number_of_antenna > 1)) { - tx_ant = RF_ANTENNA_AUTO; - rx_ant = RF_ANTENNA_AUTO; - } - } else { - struct ieee80211_sta_ht_cap *ht_info; - int rx_mcs_supp; - enum ieee80211_band band; - - if ((tx_ant == 0x1 && rx_ant == 0x1)) { - adapter->user_dev_mcs_support = HT_STREAM_1X1; - if (adapter->is_hw_11ac_capable) - adapter->usr_dot_11ac_mcs_support = - MWIFIEX_11AC_MCS_MAP_1X1; - } else { - adapter->user_dev_mcs_support = HT_STREAM_2X2; - if (adapter->is_hw_11ac_capable) - adapter->usr_dot_11ac_mcs_support = - MWIFIEX_11AC_MCS_MAP_2X2; - } - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (!adapter->wiphy->bands[band]) - continue; - - ht_info = &adapter->wiphy->bands[band]->ht_cap; - rx_mcs_supp = - GET_RXMCSSUPP(adapter->user_dev_mcs_support); - memset(&ht_info->mcs, 0, adapter->number_of_antenna); - memset(&ht_info->mcs, 0xff, rx_mcs_supp); - } - } - - ant_cfg.tx_ant = tx_ant; - ant_cfg.rx_ant = rx_ant; - - return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, - HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); -} - -/* cfg80211 operation handler for stop ap. - * Function stops BSS running at uAP interface. - */ -static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - mwifiex_abort_cac(priv); - - if (mwifiex_del_mgmt_ies(priv)) - mwifiex_dbg(priv->adapter, ERROR, - "Failed to delete mgmt IEs!\n"); - - priv->ap_11n_enabled = 0; - memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); - - if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, - HostCmd_ACT_GEN_SET, 0, NULL, true)) { - mwifiex_dbg(priv->adapter, ERROR, - "Failed to stop the BSS\n"); - return -1; - } - - if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, - HostCmd_ACT_GEN_SET, 0, NULL, true)) { - mwifiex_dbg(priv->adapter, ERROR, - "Failed to reset BSS\n"); - return -1; - } - - if (netif_carrier_ok(priv->netdev)) - netif_carrier_off(priv->netdev); - mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); - - return 0; -} - -/* cfg80211 operation handler for start_ap. - * Function sets beacon period, DTIM period, SSID and security into - * AP config structure. - * AP is configured with these settings and BSS is started. - */ -static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, - struct net_device *dev, - struct cfg80211_ap_settings *params) -{ - struct mwifiex_uap_bss_param *bss_cfg; - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) - return -1; - - bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); - if (!bss_cfg) - return -ENOMEM; - - mwifiex_set_sys_config_invalid_data(bss_cfg); - - if (params->beacon_interval) - bss_cfg->beacon_period = params->beacon_interval; - if (params->dtim_period) - bss_cfg->dtim_period = params->dtim_period; - - if (params->ssid && params->ssid_len) { - memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); - bss_cfg->ssid.ssid_len = params->ssid_len; - } - if (params->inactivity_timeout > 0) { - /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ - bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; - bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; - } - - switch (params->hidden_ssid) { - case NL80211_HIDDEN_SSID_NOT_IN_USE: - bss_cfg->bcast_ssid_ctl = 1; - break; - case NL80211_HIDDEN_SSID_ZERO_LEN: - bss_cfg->bcast_ssid_ctl = 0; - break; - case NL80211_HIDDEN_SSID_ZERO_CONTENTS: - /* firmware doesn't support this type of hidden SSID */ - default: - kfree(bss_cfg); - return -EINVAL; - } - - mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); - mwifiex_set_uap_rates(bss_cfg, params); - - if (mwifiex_set_secure_params(priv, bss_cfg, params)) { - kfree(bss_cfg); - mwifiex_dbg(priv->adapter, ERROR, - "Failed to parse secuirty parameters!\n"); - return -1; - } - - mwifiex_set_ht_params(priv, bss_cfg, params); - - if (priv->adapter->is_hw_11ac_capable) { - mwifiex_set_vht_params(priv, bss_cfg, params); - mwifiex_set_vht_width(priv, params->chandef.width, - priv->ap_11ac_enabled); - } - - if (priv->ap_11ac_enabled) - mwifiex_set_11ac_ba_params(priv); - else - mwifiex_set_ba_params(priv); - - mwifiex_set_wmm_params(priv, bss_cfg, params); - - if (mwifiex_is_11h_active(priv)) - mwifiex_set_tpc_params(priv, bss_cfg, params); - - if (mwifiex_is_11h_active(priv) && - !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, - priv->bss_mode)) { - mwifiex_dbg(priv->adapter, INFO, - "Disable 11h extensions in FW\n"); - if (mwifiex_11h_activate(priv, false)) { - mwifiex_dbg(priv->adapter, ERROR, - "Failed to disable 11h extensions!!"); - return -1; - } - priv->state_11h.is_11h_active = false; - } - - if (mwifiex_config_start_uap(priv, bss_cfg)) { - mwifiex_dbg(priv->adapter, ERROR, - "Failed to start AP\n"); - kfree(bss_cfg); - return -1; - } - - if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) - return -1; - - if (!netif_carrier_ok(priv->netdev)) - netif_carrier_on(priv->netdev); - mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); - - memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); - kfree(bss_cfg); - return 0; -} - -/* - * CFG802.11 operation handler for disconnection request. - * - * This function does not work when there is already a disconnection - * procedure going on. - */ -static int -mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, - u16 reason_code) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - if (mwifiex_deauthenticate(priv, NULL)) - return -EFAULT; - - mwifiex_dbg(priv->adapter, MSG, - "info: successfully disconnected from %pM:\t" - "reason code %d\n", priv->cfg_bssid, reason_code); - - eth_zero_addr(priv->cfg_bssid); - priv->hs2_enabled = false; - - return 0; -} - -/* - * This function informs the CFG802.11 subsystem of a new IBSS. - * - * The following information are sent to the CFG802.11 subsystem - * to register the new IBSS. If we do not register the new IBSS, - * a kernel panic will result. - * - SSID - * - SSID length - * - BSSID - * - Channel - */ -static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) -{ - struct ieee80211_channel *chan; - struct mwifiex_bss_info bss_info; - struct cfg80211_bss *bss; - int ie_len; - u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; - enum ieee80211_band band; - - if (mwifiex_get_bss_info(priv, &bss_info)) - return -1; - - ie_buf[0] = WLAN_EID_SSID; - ie_buf[1] = bss_info.ssid.ssid_len; - - memcpy(&ie_buf[sizeof(struct ieee_types_header)], - &bss_info.ssid.ssid, bss_info.ssid.ssid_len); - ie_len = ie_buf[1] + sizeof(struct ieee_types_header); - - band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); - chan = __ieee80211_get_channel(priv->wdev.wiphy, - ieee80211_channel_to_frequency(bss_info.bss_chan, - band)); - - bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, - CFG80211_BSS_FTYPE_UNKNOWN, - bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, - 0, ie_buf, ie_len, 0, GFP_KERNEL); - if (bss) { - cfg80211_put_bss(priv->wdev.wiphy, bss); - ether_addr_copy(priv->cfg_bssid, bss_info.bssid); - } - - return 0; -} - -/* - * This function connects with a BSS. - * - * This function handles both Infra and Ad-Hoc modes. It also performs - * validity checking on the provided parameters, disconnects from the - * current BSS (if any), sets up the association/scan parameters, - * including security settings, and performs specific SSID scan before - * trying to connect. - * - * For Infra mode, the function returns failure if the specified SSID - * is not found in scan table. However, for Ad-Hoc mode, it can create - * the IBSS if it does not exist. On successful completion in either case, - * the function notifies the CFG802.11 subsystem of the new BSS connection. - */ -static int -mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, - const u8 *ssid, const u8 *bssid, int mode, - struct ieee80211_channel *channel, - struct cfg80211_connect_params *sme, bool privacy) -{ - struct cfg80211_ssid req_ssid; - int ret, auth_type = 0; - struct cfg80211_bss *bss = NULL; - u8 is_scanning_required = 0; - - memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); - - req_ssid.ssid_len = ssid_len; - if (ssid_len > IEEE80211_MAX_SSID_LEN) { - mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); - return -EINVAL; - } - - memcpy(req_ssid.ssid, ssid, ssid_len); - if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { - mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); - return -EINVAL; - } - - /* As this is new association, clear locally stored - * keys and security related flags */ - priv->sec_info.wpa_enabled = false; - priv->sec_info.wpa2_enabled = false; - priv->wep_key_curr_index = 0; - priv->sec_info.encryption_mode = 0; - priv->sec_info.is_authtype_auto = 0; - ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); - - if (mode == NL80211_IFTYPE_ADHOC) { - /* "privacy" is set only for ad-hoc mode */ - if (privacy) { - /* - * Keep WLAN_CIPHER_SUITE_WEP104 for now so that - * the firmware can find a matching network from the - * scan. The cfg80211 does not give us the encryption - * mode at this stage so just setting it to WEP here. - */ - priv->sec_info.encryption_mode = - WLAN_CIPHER_SUITE_WEP104; - priv->sec_info.authentication_mode = - NL80211_AUTHTYPE_OPEN_SYSTEM; - } - - goto done; - } - - /* Now handle infra mode. "sme" is valid for infra mode only */ - if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { - auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; - priv->sec_info.is_authtype_auto = 1; - } else { - auth_type = sme->auth_type; - } - - if (sme->crypto.n_ciphers_pairwise) { - priv->sec_info.encryption_mode = - sme->crypto.ciphers_pairwise[0]; - priv->sec_info.authentication_mode = auth_type; - } - - if (sme->crypto.cipher_group) { - priv->sec_info.encryption_mode = sme->crypto.cipher_group; - priv->sec_info.authentication_mode = auth_type; - } - if (sme->ie) - ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); - - if (sme->key) { - if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { - mwifiex_dbg(priv->adapter, INFO, - "info: setting wep encryption\t" - "with key len %d\n", sme->key_len); - priv->wep_key_curr_index = sme->key_idx; - ret = mwifiex_set_encode(priv, NULL, sme->key, - sme->key_len, sme->key_idx, - NULL, 0); - } - } -done: - /* - * Scan entries are valid for some time (15 sec). So we can save one - * active scan time if we just try cfg80211_get_bss first. If it fails - * then request scan and cfg80211_get_bss() again for final output. - */ - while (1) { - if (is_scanning_required) { - /* Do specific SSID scanning */ - if (mwifiex_request_scan(priv, &req_ssid)) { - mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); - return -EFAULT; - } - } - - /* Find the BSS we want using available scan results */ - if (mode == NL80211_IFTYPE_ADHOC) - bss = cfg80211_get_bss(priv->wdev.wiphy, channel, - bssid, ssid, ssid_len, - IEEE80211_BSS_TYPE_IBSS, - IEEE80211_PRIVACY_ANY); - else - bss = cfg80211_get_bss(priv->wdev.wiphy, channel, - bssid, ssid, ssid_len, - IEEE80211_BSS_TYPE_ESS, - IEEE80211_PRIVACY_ANY); - - if (!bss) { - if (is_scanning_required) { - mwifiex_dbg(priv->adapter, WARN, - "assoc: requested bss not found in scan results\n"); - break; - } - is_scanning_required = 1; - } else { - mwifiex_dbg(priv->adapter, MSG, - "info: trying to associate to '%s' bssid %pM\n", - (char *)req_ssid.ssid, bss->bssid); - memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); - break; - } - } - - ret = mwifiex_bss_start(priv, bss, &req_ssid); - if (ret) - return ret; - - if (mode == NL80211_IFTYPE_ADHOC) { - /* Inform the BSS information to kernel, otherwise - * kernel will give a panic after successful assoc */ - if (mwifiex_cfg80211_inform_ibss_bss(priv)) - return -EFAULT; - } - - return ret; -} - -/* - * CFG802.11 operation handler for association request. - * - * This function does not work when the current mode is set to Ad-Hoc, or - * when there is already an association procedure going on. The given BSS - * information is used to associate. - */ -static int -mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_connect_params *sme) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - struct mwifiex_adapter *adapter = priv->adapter; - int ret; - - if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { - mwifiex_dbg(adapter, ERROR, - "%s: reject infra assoc request in non-STA role\n", - dev->name); - return -EINVAL; - } - - if (priv->wdev.current_bss) { - mwifiex_dbg(adapter, ERROR, - "%s: already connected\n", dev->name); - return -EALREADY; - } - - if (adapter->surprise_removed || adapter->is_cmd_timedout) { - mwifiex_dbg(adapter, ERROR, - "%s: Ignore connection.\t" - "Card removed or FW in bad state\n", - dev->name); - return -EFAULT; - } - - mwifiex_dbg(adapter, INFO, - "info: Trying to associate to %s and bssid %pM\n", - (char *)sme->ssid, sme->bssid); - - ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, - priv->bss_mode, sme->channel, sme, 0); - if (!ret) { - cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, - NULL, 0, WLAN_STATUS_SUCCESS, - GFP_KERNEL); - mwifiex_dbg(priv->adapter, MSG, - "info: associated to bssid %pM successfully\n", - priv->cfg_bssid); - if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && - priv->adapter->auto_tdls && - priv->bss_type == MWIFIEX_BSS_TYPE_STA) - mwifiex_setup_auto_tdls_timer(priv); - } else { - mwifiex_dbg(priv->adapter, ERROR, - "info: association to bssid %pM failed\n", - priv->cfg_bssid); - eth_zero_addr(priv->cfg_bssid); - - if (ret > 0) - cfg80211_connect_result(priv->netdev, priv->cfg_bssid, - NULL, 0, NULL, 0, ret, - GFP_KERNEL); - else - cfg80211_connect_result(priv->netdev, priv->cfg_bssid, - NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, - GFP_KERNEL); - } - - return 0; -} - -/* - * This function sets following parameters for ibss network. - * - channel - * - start band - * - 11n flag - * - secondary channel offset - */ -static int mwifiex_set_ibss_params(struct mwifiex_private *priv, - struct cfg80211_ibss_params *params) -{ - struct mwifiex_adapter *adapter = priv->adapter; - int index = 0, i; - u8 config_bands = 0; - - if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) { - if (!params->basic_rates) { - config_bands = BAND_B | BAND_G; - } else { - for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { - /* - * Rates below 6 Mbps in the table are CCK - * rates; 802.11b and from 6 they are OFDM; - * 802.11G - */ - if (mwifiex_rates[i].bitrate == 60) { - index = 1 << i; - break; - } - } - - if (params->basic_rates < index) { - config_bands = BAND_B; - } else { - config_bands = BAND_G; - if (params->basic_rates % index) - config_bands |= BAND_B; - } - } - - if (cfg80211_get_chandef_type(¶ms->chandef) != - NL80211_CHAN_NO_HT) - config_bands |= BAND_G | BAND_GN; - } else { - if (cfg80211_get_chandef_type(¶ms->chandef) == - NL80211_CHAN_NO_HT) - config_bands = BAND_A; - else - config_bands = BAND_AN | BAND_A; - } - - if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { - adapter->config_bands = config_bands; - adapter->adhoc_start_band = config_bands; - - if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) - adapter->adhoc_11n_enabled = true; - else - adapter->adhoc_11n_enabled = false; - } - - adapter->sec_chan_offset = - mwifiex_chan_type_to_sec_chan_offset( - cfg80211_get_chandef_type(¶ms->chandef)); - priv->adhoc_channel = ieee80211_frequency_to_channel( - params->chandef.chan->center_freq); - - mwifiex_dbg(adapter, INFO, - "info: set ibss band %d, chan %d, chan offset %d\n", - config_bands, priv->adhoc_channel, - adapter->sec_chan_offset); - - return 0; -} - -/* - * CFG802.11 operation handler to join an IBSS. - * - * This function does not work in any mode other than Ad-Hoc, or if - * a join operation is already in progress. - */ -static int -mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_ibss_params *params) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - int ret = 0; - - if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { - mwifiex_dbg(priv->adapter, ERROR, - "request to join ibss received\t" - "when station is not in ibss mode\n"); - goto done; - } - - mwifiex_dbg(priv->adapter, MSG, - "info: trying to join to %s and bssid %pM\n", - (char *)params->ssid, params->bssid); - - mwifiex_set_ibss_params(priv, params); - - ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, - params->bssid, priv->bss_mode, - params->chandef.chan, NULL, - params->privacy); -done: - if (!ret) { - cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, - params->chandef.chan, GFP_KERNEL); - mwifiex_dbg(priv->adapter, MSG, - "info: joined/created adhoc network with bssid\t" - "%pM successfully\n", priv->cfg_bssid); - } else { - mwifiex_dbg(priv->adapter, ERROR, - "info: failed creating/joining adhoc network\n"); - } - - return ret; -} - -/* - * CFG802.11 operation handler to leave an IBSS. - * - * This function does not work if a leave operation is - * already in progress. - */ -static int -mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", - priv->cfg_bssid); - if (mwifiex_deauthenticate(priv, NULL)) - return -EFAULT; - - eth_zero_addr(priv->cfg_bssid); - - return 0; -} - -/* - * CFG802.11 operation handler for scan request. - * - * This function issues a scan request to the firmware based upon - * the user specified scan configuration. On successful completion, - * it also informs the results. - */ -static int -mwifiex_cfg80211_scan(struct wiphy *wiphy, - struct cfg80211_scan_request *request) -{ - struct net_device *dev = request->wdev->netdev; - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - int i, offset, ret; - struct ieee80211_channel *chan; - struct ieee_types_header *ie; - struct mwifiex_user_scan_cfg *user_scan_cfg; - - mwifiex_dbg(priv->adapter, CMD, - "info: received scan request on %s\n", dev->name); - - /* Block scan request if scan operation or scan cleanup when interface - * is disabled is in process - */ - if (priv->scan_request || priv->scan_aborting) { - mwifiex_dbg(priv->adapter, WARN, - "cmd: Scan already in process..\n"); - return -EBUSY; - } - - user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); - if (!user_scan_cfg) - return -ENOMEM; - - priv->scan_request = request; - - user_scan_cfg->num_ssids = request->n_ssids; - user_scan_cfg->ssid_list = request->ssids; - - if (request->ie && request->ie_len) { - offset = 0; - for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { - if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) - continue; - priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; - ie = (struct ieee_types_header *)(request->ie + offset); - memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); - offset += sizeof(*ie) + ie->len; - - if (offset >= request->ie_len) - break; - } - } - - for (i = 0; i < min_t(u32, request->n_channels, - MWIFIEX_USER_SCAN_CHAN_MAX); i++) { - chan = request->channels[i]; - user_scan_cfg->chan_list[i].chan_number = chan->hw_value; - user_scan_cfg->chan_list[i].radio_type = chan->band; - - if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) - user_scan_cfg->chan_list[i].scan_type = - MWIFIEX_SCAN_TYPE_PASSIVE; - else - user_scan_cfg->chan_list[i].scan_type = - MWIFIEX_SCAN_TYPE_ACTIVE; - - user_scan_cfg->chan_list[i].scan_time = 0; - } - - if (priv->adapter->scan_chan_gap_enabled && - mwifiex_is_any_intf_active(priv)) - user_scan_cfg->scan_chan_gap = - priv->adapter->scan_chan_gap_time; - - ret = mwifiex_scan_networks(priv, user_scan_cfg); - kfree(user_scan_cfg); - if (ret) { - mwifiex_dbg(priv->adapter, ERROR, - "scan failed: %d\n", ret); - priv->scan_aborting = false; - priv->scan_request = NULL; - return ret; - } - - if (request->ie && request->ie_len) { - for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { - if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { - priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; - memset(&priv->vs_ie[i].ie, 0, - MWIFIEX_MAX_VSIE_LEN); - } - } - } - return 0; -} - -static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, - struct mwifiex_private *priv) -{ - struct mwifiex_adapter *adapter = priv->adapter; - - vht_info->vht_supported = true; - - vht_info->cap = adapter->hw_dot_11ac_dev_cap; - /* Update MCS support for VHT */ - vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( - adapter->hw_dot_11ac_mcs_support & 0xFFFF); - vht_info->vht_mcs.rx_highest = 0; - vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( - adapter->hw_dot_11ac_mcs_support >> 16); - vht_info->vht_mcs.tx_highest = 0; -} - -/* - * This function sets up the CFG802.11 specific HT capability fields - * with default values. - * - * The following default values are set - - * - HT Supported = True - * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K - * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE - * - HT Capabilities supported by firmware - * - MCS information, Rx mask = 0xff - * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) - */ -static void -mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, - struct mwifiex_private *priv) -{ - int rx_mcs_supp; - struct ieee80211_mcs_info mcs_set; - u8 *mcs = (u8 *)&mcs_set; - struct mwifiex_adapter *adapter = priv->adapter; - - ht_info->ht_supported = true; - ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; - ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; - - memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); - - /* Fill HT capability information */ - if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) - ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; - else - ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - - if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) - ht_info->cap |= IEEE80211_HT_CAP_SGI_20; - else - ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; - - if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) - ht_info->cap |= IEEE80211_HT_CAP_SGI_40; - else - ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; - - if (adapter->user_dev_mcs_support == HT_STREAM_2X2) - ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT; - else - ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; - - if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) - ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; - else - ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; - - if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) - ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; - else - ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; - - if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) - ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; - else - ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; - - if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) - ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; - else - ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; - - ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; - ht_info->cap |= IEEE80211_HT_CAP_SM_PS; - - rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); - /* Set MCS for 1x1/2x2 */ - memset(mcs, 0xff, rx_mcs_supp); - /* Clear all the other values */ - memset(&mcs[rx_mcs_supp], 0, - sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); - if (priv->bss_mode == NL80211_IFTYPE_STATION || - ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) - /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ - SETHT_MCS32(mcs_set.rx_mask); - - memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); - - ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; -} - -/* - * create a new virtual interface with the given name and name assign type - */ -struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, - const char *name, - unsigned char name_assign_type, - enum nl80211_iftype type, - u32 *flags, - struct vif_params *params) -{ - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - struct mwifiex_private *priv; - struct net_device *dev; - void *mdev_priv; - - if (!adapter) - return ERR_PTR(-EFAULT); - - switch (type) { - case NL80211_IFTYPE_UNSPECIFIED: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_ADHOC: - if (adapter->curr_iface_comb.sta_intf == - adapter->iface_limit.sta_intf) { - mwifiex_dbg(adapter, ERROR, - "cannot create multiple sta/adhoc ifaces\n"); - return ERR_PTR(-EINVAL); - } - - priv = mwifiex_get_unused_priv(adapter); - if (!priv) { - mwifiex_dbg(adapter, ERROR, - "could not get free private struct\n"); - return ERR_PTR(-EFAULT); - } - - priv->wdev.wiphy = wiphy; - priv->wdev.iftype = NL80211_IFTYPE_STATION; - - if (type == NL80211_IFTYPE_UNSPECIFIED) - priv->bss_mode = NL80211_IFTYPE_STATION; - else - priv->bss_mode = type; - - priv->bss_type = MWIFIEX_BSS_TYPE_STA; - priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; - priv->bss_priority = 0; - priv->bss_role = MWIFIEX_BSS_ROLE_STA; - priv->bss_num = adapter->curr_iface_comb.sta_intf; - - break; - case NL80211_IFTYPE_AP: - if (adapter->curr_iface_comb.uap_intf == - adapter->iface_limit.uap_intf) { - mwifiex_dbg(adapter, ERROR, - "cannot create multiple AP ifaces\n"); - return ERR_PTR(-EINVAL); - } - - priv = mwifiex_get_unused_priv(adapter); - if (!priv) { - mwifiex_dbg(adapter, ERROR, - "could not get free private struct\n"); - return ERR_PTR(-EFAULT); - } - - priv->wdev.wiphy = wiphy; - priv->wdev.iftype = NL80211_IFTYPE_AP; - - priv->bss_type = MWIFIEX_BSS_TYPE_UAP; - priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; - priv->bss_priority = 0; - priv->bss_role = MWIFIEX_BSS_ROLE_UAP; - priv->bss_started = 0; - priv->bss_num = adapter->curr_iface_comb.uap_intf; - priv->bss_mode = type; - - break; - case NL80211_IFTYPE_P2P_CLIENT: - if (adapter->curr_iface_comb.p2p_intf == - adapter->iface_limit.p2p_intf) { - mwifiex_dbg(adapter, ERROR, - "cannot create multiple P2P ifaces\n"); - return ERR_PTR(-EINVAL); - } - - priv = mwifiex_get_unused_priv(adapter); - if (!priv) { - mwifiex_dbg(adapter, ERROR, - "could not get free private struct\n"); - return ERR_PTR(-EFAULT); - } - - priv->wdev.wiphy = wiphy; - /* At start-up, wpa_supplicant tries to change the interface - * to NL80211_IFTYPE_STATION if it is not managed mode. - */ - priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; - priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; - - /* Setting bss_type to P2P tells firmware that this interface - * is receiving P2P peers found during find phase and doing - * action frame handshake. - */ - priv->bss_type = MWIFIEX_BSS_TYPE_P2P; - - priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; - priv->bss_priority = MWIFIEX_BSS_ROLE_STA; - priv->bss_role = MWIFIEX_BSS_ROLE_STA; - priv->bss_started = 0; - priv->bss_num = adapter->curr_iface_comb.p2p_intf; - - if (mwifiex_cfg80211_init_p2p_client(priv)) { - memset(&priv->wdev, 0, sizeof(priv->wdev)); - priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; - return ERR_PTR(-EFAULT); - } - - break; - default: - mwifiex_dbg(adapter, ERROR, "type not supported\n"); - return ERR_PTR(-EINVAL); - } - - dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, - name_assign_type, ether_setup, - IEEE80211_NUM_ACS, 1); - if (!dev) { - mwifiex_dbg(adapter, ERROR, - "no memory available for netdevice\n"); - memset(&priv->wdev, 0, sizeof(priv->wdev)); - priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; - priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - return ERR_PTR(-ENOMEM); - } - - mwifiex_init_priv_params(priv, dev); - priv->netdev = dev; - - mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv); - if (adapter->is_hw_11ac_capable) - mwifiex_setup_vht_caps( - &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv); - - if (adapter->config_bands & BAND_A) - mwifiex_setup_ht_caps( - &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv); - - if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) - mwifiex_setup_vht_caps( - &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv); - - dev_net_set(dev, wiphy_net(wiphy)); - dev->ieee80211_ptr = &priv->wdev; - dev->ieee80211_ptr->iftype = priv->bss_mode; - memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); - SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); - - dev->flags |= IFF_BROADCAST | IFF_MULTICAST; - dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; - dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; - dev->ethtool_ops = &mwifiex_ethtool_ops; - - mdev_priv = netdev_priv(dev); - *((unsigned long *) mdev_priv) = (unsigned long) priv; - - SET_NETDEV_DEV(dev, adapter->dev); - - /* Register network device */ - if (register_netdevice(dev)) { - mwifiex_dbg(adapter, ERROR, - "cannot register virtual network device\n"); - free_netdev(dev); - priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - priv->netdev = NULL; - memset(&priv->wdev, 0, sizeof(priv->wdev)); - priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; - return ERR_PTR(-EFAULT); - } - - priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", - WQ_HIGHPRI | - WQ_MEM_RECLAIM | - WQ_UNBOUND, 1, name); - if (!priv->dfs_cac_workqueue) { - mwifiex_dbg(adapter, ERROR, - "cannot register virtual network device\n"); - free_netdev(dev); - priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - priv->netdev = NULL; - memset(&priv->wdev, 0, sizeof(priv->wdev)); - priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; - return ERR_PTR(-ENOMEM); - } - - INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); - - priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", - WQ_HIGHPRI | WQ_UNBOUND | - WQ_MEM_RECLAIM, 1, name); - if (!priv->dfs_chan_sw_workqueue) { - mwifiex_dbg(adapter, ERROR, - "cannot register virtual network device\n"); - free_netdev(dev); - priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - priv->netdev = NULL; - memset(&priv->wdev, 0, sizeof(priv->wdev)); - priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; - return ERR_PTR(-ENOMEM); - } - - INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, - mwifiex_dfs_chan_sw_work_queue); - - sema_init(&priv->async_sem, 1); - - mwifiex_dbg(adapter, INFO, - "info: %s: Marvell 802.11 Adapter\n", dev->name); - -#ifdef CONFIG_DEBUG_FS - mwifiex_dev_debugfs_init(priv); -#endif - - switch (type) { - case NL80211_IFTYPE_UNSPECIFIED: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_ADHOC: - adapter->curr_iface_comb.sta_intf++; - break; - case NL80211_IFTYPE_AP: - adapter->curr_iface_comb.uap_intf++; - break; - case NL80211_IFTYPE_P2P_CLIENT: - adapter->curr_iface_comb.p2p_intf++; - break; - default: - mwifiex_dbg(adapter, ERROR, "type not supported\n"); - return ERR_PTR(-EINVAL); - } - - return &priv->wdev; -} -EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); - -/* - * del_virtual_intf: remove the virtual interface determined by dev - */ -int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); - struct mwifiex_adapter *adapter = priv->adapter; - struct sk_buff *skb, *tmp; - -#ifdef CONFIG_DEBUG_FS - mwifiex_dev_debugfs_remove(priv); -#endif - - mwifiex_stop_net_dev_queue(priv->netdev, adapter); - - skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) - mwifiex_write_data_complete(priv->adapter, skb, 0, -1); - - if (netif_carrier_ok(priv->netdev)) - netif_carrier_off(priv->netdev); - - if (wdev->netdev->reg_state == NETREG_REGISTERED) - unregister_netdevice(wdev->netdev); - - if (priv->dfs_cac_workqueue) { - flush_workqueue(priv->dfs_cac_workqueue); - destroy_workqueue(priv->dfs_cac_workqueue); - priv->dfs_cac_workqueue = NULL; - } - - if (priv->dfs_chan_sw_workqueue) { - flush_workqueue(priv->dfs_chan_sw_workqueue); - destroy_workqueue(priv->dfs_chan_sw_workqueue); - priv->dfs_chan_sw_workqueue = NULL; - } - /* Clear the priv in adapter */ - priv->netdev->ieee80211_ptr = NULL; - priv->netdev = NULL; - priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; - - priv->media_connected = false; - - switch (priv->bss_mode) { - case NL80211_IFTYPE_UNSPECIFIED: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_ADHOC: - adapter->curr_iface_comb.sta_intf--; - break; - case NL80211_IFTYPE_AP: - adapter->curr_iface_comb.uap_intf--; - break; - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - adapter->curr_iface_comb.p2p_intf--; - break; - default: - mwifiex_dbg(adapter, ERROR, - "del_virtual_intf: type not supported\n"); - break; - } - - priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - - if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || - GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) - kfree(priv->hist_data); - - return 0; -} -EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); - -static bool -mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, - u8 max_byte_seq) -{ - int j, k, valid_byte_cnt = 0; - bool dont_care_byte = false; - - for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { - for (k = 0; k < 8; k++) { - if (pat->mask[j] & 1 << k) { - memcpy(byte_seq + valid_byte_cnt, - &pat->pattern[j * 8 + k], 1); - valid_byte_cnt++; - if (dont_care_byte) - return false; - } else { - if (valid_byte_cnt) - dont_care_byte = true; - } - - if (valid_byte_cnt > max_byte_seq) - return false; - } - } - - byte_seq[max_byte_seq] = valid_byte_cnt; - - return true; -} - -#ifdef CONFIG_PM -static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, - struct mwifiex_mef_entry *mef_entry) -{ - int i, filt_num = 0, num_ipv4 = 0; - struct in_device *in_dev; - struct in_ifaddr *ifa; - __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; - struct mwifiex_adapter *adapter = priv->adapter; - - mef_entry->mode = MEF_MODE_HOST_SLEEP; - mef_entry->action = MEF_ACTION_AUTO_ARP; - - /* Enable ARP offload feature */ - memset(ips, 0, sizeof(ips)); - for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { - if (adapter->priv[i]->netdev) { - in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); - if (!in_dev) - continue; - ifa = in_dev->ifa_list; - if (!ifa || !ifa->ifa_local) - continue; - ips[i] = ifa->ifa_local; - num_ipv4++; - } - } - - for (i = 0; i < num_ipv4; i++) { - if (!ips[i]) - continue; - mef_entry->filter[filt_num].repeat = 1; - memcpy(mef_entry->filter[filt_num].byte_seq, - (u8 *)&ips[i], sizeof(ips[i])); - mef_entry->filter[filt_num]. - byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = - sizeof(ips[i]); - mef_entry->filter[filt_num].offset = 46; - mef_entry->filter[filt_num].filt_type = TYPE_EQ; - if (filt_num) { - mef_entry->filter[filt_num].filt_action = - TYPE_OR; - } - filt_num++; - } - - mef_entry->filter[filt_num].repeat = 1; - mef_entry->filter[filt_num].byte_seq[0] = 0x08; - mef_entry->filter[filt_num].byte_seq[1] = 0x06; - mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; - mef_entry->filter[filt_num].offset = 20; - mef_entry->filter[filt_num].filt_type = TYPE_EQ; - mef_entry->filter[filt_num].filt_action = TYPE_AND; -} - -static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, - struct mwifiex_ds_mef_cfg *mef_cfg, - struct mwifiex_mef_entry *mef_entry, - struct cfg80211_wowlan *wowlan) -{ - int i, filt_num = 0, ret = 0; - bool first_pat = true; - u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; - const u8 ipv4_mc_mac[] = {0x33, 0x33}; - const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; - - mef_entry->mode = MEF_MODE_HOST_SLEEP; - mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; - - for (i = 0; i < wowlan->n_patterns; i++) { - memset(byte_seq, 0, sizeof(byte_seq)); - if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], - byte_seq, - MWIFIEX_MEF_MAX_BYTESEQ)) { - mwifiex_dbg(priv->adapter, ERROR, - "Pattern not supported\n"); - return -EOPNOTSUPP; - } - - if (!wowlan->patterns[i].pkt_offset) { - if (!(byte_seq[0] & 0x01) && - (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { - mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; - continue; - } else if (is_broadcast_ether_addr(byte_seq)) { - mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; - continue; - } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && - (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || - (!memcmp(byte_seq, ipv6_mc_mac, 3) && - (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { - mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; - continue; - } - } - mef_entry->filter[filt_num].repeat = 1; - mef_entry->filter[filt_num].offset = - wowlan->patterns[i].pkt_offset; - memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, - sizeof(byte_seq)); - mef_entry->filter[filt_num].filt_type = TYPE_EQ; - - if (first_pat) - first_pat = false; - else - mef_entry->filter[filt_num].filt_action = TYPE_AND; - - filt_num++; - } - - if (wowlan->magic_pkt) { - mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; - mef_entry->filter[filt_num].repeat = 16; - memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, - ETH_ALEN); - mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = - ETH_ALEN; - mef_entry->filter[filt_num].offset = 28; - mef_entry->filter[filt_num].filt_type = TYPE_EQ; - if (filt_num) - mef_entry->filter[filt_num].filt_action = TYPE_OR; - - filt_num++; - mef_entry->filter[filt_num].repeat = 16; - memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, - ETH_ALEN); - mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = - ETH_ALEN; - mef_entry->filter[filt_num].offset = 56; - mef_entry->filter[filt_num].filt_type = TYPE_EQ; - mef_entry->filter[filt_num].filt_action = TYPE_OR; - } - return ret; -} - -static int mwifiex_set_mef_filter(struct mwifiex_private *priv, - struct cfg80211_wowlan *wowlan) -{ - int ret = 0, num_entries = 1; - struct mwifiex_ds_mef_cfg mef_cfg; - struct mwifiex_mef_entry *mef_entry; - - if (wowlan->n_patterns || wowlan->magic_pkt) - num_entries++; - - mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); - if (!mef_entry) - return -ENOMEM; - - memset(&mef_cfg, 0, sizeof(mef_cfg)); - mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | - MWIFIEX_CRITERIA_UNICAST; - mef_cfg.num_entries = num_entries; - mef_cfg.mef_entry = mef_entry; - - mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); - - if (wowlan->n_patterns || wowlan->magic_pkt) { - ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, - &mef_entry[1], wowlan); - if (ret) - goto err; - } - - if (!mef_cfg.criteria) - mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | - MWIFIEX_CRITERIA_UNICAST | - MWIFIEX_CRITERIA_MULTICAST; - - ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, - HostCmd_ACT_GEN_SET, 0, - &mef_cfg, true); - -err: - kfree(mef_entry); - return ret; -} - -static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, - struct cfg80211_wowlan *wowlan) -{ - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - struct mwifiex_ds_hs_cfg hs_cfg; - int i, ret = 0; - struct mwifiex_private *priv; - - for (i = 0; i < adapter->priv_num; i++) { - priv = adapter->priv[i]; - mwifiex_abort_cac(priv); - } - - mwifiex_cancel_all_pending_cmd(adapter); - - if (!wowlan) { - mwifiex_dbg(adapter, ERROR, - "None of the WOWLAN triggers enabled\n"); - return 0; - } - - priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); - - if (!priv->media_connected) { - mwifiex_dbg(adapter, ERROR, - "Can not configure WOWLAN in disconnected state\n"); - return 0; - } - - ret = mwifiex_set_mef_filter(priv, wowlan); - if (ret) { - mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); - return ret; - } - - if (wowlan->disconnect) { - memset(&hs_cfg, 0, sizeof(hs_cfg)); - hs_cfg.is_invoke_hostcmd = false; - hs_cfg.conditions = HS_CFG_COND_MAC_EVENT; - hs_cfg.gpio = HS_CFG_GPIO_DEF; - hs_cfg.gap = HS_CFG_GAP_DEF; - ret = mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, - MWIFIEX_SYNC_CMD, &hs_cfg); - if (ret) { - mwifiex_dbg(adapter, ERROR, - "Failed to set HS params\n"); - return ret; - } - } - - return ret; -} - -static int mwifiex_cfg80211_resume(struct wiphy *wiphy) -{ - return 0; -} - -static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, - bool enabled) -{ - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - - device_set_wakeup_enable(adapter->dev, enabled); -} -#endif - -static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) -{ - const u8 ipv4_mc_mac[] = {0x33, 0x33}; - const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; - const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; - - if ((byte_seq[0] & 0x01) && - (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) - return PACKET_TYPE_UNICAST; - else if (!memcmp(byte_seq, bc_mac, 4)) - return PACKET_TYPE_BROADCAST; - else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && - byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || - (!memcmp(byte_seq, ipv6_mc_mac, 3) && - byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) - return PACKET_TYPE_MULTICAST; - - return 0; -} - -static int -mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, - struct cfg80211_coalesce_rules *crule, - struct mwifiex_coalesce_rule *mrule) -{ - u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; - struct filt_field_param *param; - int i; - - mrule->max_coalescing_delay = crule->delay; - - param = mrule->params; - - for (i = 0; i < crule->n_patterns; i++) { - memset(byte_seq, 0, sizeof(byte_seq)); - if (!mwifiex_is_pattern_supported(&crule->patterns[i], - byte_seq, - MWIFIEX_COALESCE_MAX_BYTESEQ)) { - mwifiex_dbg(priv->adapter, ERROR, - "Pattern not supported\n"); - return -EOPNOTSUPP; - } - - if (!crule->patterns[i].pkt_offset) { - u8 pkt_type; - - pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); - if (pkt_type && mrule->pkt_type) { - mwifiex_dbg(priv->adapter, ERROR, - "Multiple packet types not allowed\n"); - return -EOPNOTSUPP; - } else if (pkt_type) { - mrule->pkt_type = pkt_type; - continue; - } - } - - if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) - param->operation = RECV_FILTER_MATCH_TYPE_EQ; - else - param->operation = RECV_FILTER_MATCH_TYPE_NE; - - param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; - memcpy(param->operand_byte_stream, byte_seq, - param->operand_len); - param->offset = crule->patterns[i].pkt_offset; - param++; - - mrule->num_of_fields++; - } - - if (!mrule->pkt_type) { - mwifiex_dbg(priv->adapter, ERROR, - "Packet type can not be determined\n"); - return -EOPNOTSUPP; - } - - return 0; -} - -static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, - struct cfg80211_coalesce *coalesce) -{ - struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); - int i, ret; - struct mwifiex_ds_coalesce_cfg coalesce_cfg; - struct mwifiex_private *priv = - mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); - - memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); - if (!coalesce) { - mwifiex_dbg(adapter, WARN, - "Disable coalesce and reset all previous rules\n"); - return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, - HostCmd_ACT_GEN_SET, 0, - &coalesce_cfg, true); - } - - coalesce_cfg.num_of_rules = coalesce->n_rules; - for (i = 0; i < coalesce->n_rules; i++) { - ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], - &coalesce_cfg.rule[i]); - if (ret) { - mwifiex_dbg(adapter, ERROR, - "Recheck the patterns provided for rule %d\n", - i + 1); - return ret; - } - } - - return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, - HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); -} - -/* cfg80211 ops handler for tdls_mgmt. - * Function prepares TDLS action frame packets and forwards them to FW - */ -static int -mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, - const u8 *peer, u8 action_code, u8 dialog_token, - u16 status_code, u32 peer_capability, - bool initiator, const u8 *extra_ies, - size_t extra_ies_len) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - int ret; - - if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) - return -ENOTSUPP; - - /* make sure we are in station mode and connected */ - if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) - return -ENOTSUPP; - - switch (action_code) { - case WLAN_TDLS_SETUP_REQUEST: - mwifiex_dbg(priv->adapter, MSG, - "Send TDLS Setup Request to %pM status_code=%d\n", - peer, status_code); - mwifiex_add_auto_tdls_peer(priv, peer); - ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, - dialog_token, status_code, - extra_ies, extra_ies_len); - break; - case WLAN_TDLS_SETUP_RESPONSE: - mwifiex_add_auto_tdls_peer(priv, peer); - mwifiex_dbg(priv->adapter, MSG, - "Send TDLS Setup Response to %pM status_code=%d\n", - peer, status_code); - ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, - dialog_token, status_code, - extra_ies, extra_ies_len); - break; - case WLAN_TDLS_SETUP_CONFIRM: - mwifiex_dbg(priv->adapter, MSG, - "Send TDLS Confirm to %pM status_code=%d\n", peer, - status_code); - ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, - dialog_token, status_code, - extra_ies, extra_ies_len); - break; - case WLAN_TDLS_TEARDOWN: - mwifiex_dbg(priv->adapter, MSG, - "Send TDLS Tear down to %pM\n", peer); - ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, - dialog_token, status_code, - extra_ies, extra_ies_len); - break; - case WLAN_TDLS_DISCOVERY_REQUEST: - mwifiex_dbg(priv->adapter, MSG, - "Send TDLS Discovery Request to %pM\n", peer); - ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, - dialog_token, status_code, - extra_ies, extra_ies_len); - break; - case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: - mwifiex_dbg(priv->adapter, MSG, - "Send TDLS Discovery Response to %pM\n", peer); - ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, - dialog_token, status_code, - extra_ies, extra_ies_len); - break; - default: - mwifiex_dbg(priv->adapter, ERROR, - "Unknown TDLS mgmt/action frame %pM\n", peer); - ret = -EINVAL; - break; - } - - return ret; -} - -static int -mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, - const u8 *peer, enum nl80211_tdls_operation action) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || - !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) - return -ENOTSUPP; - - /* make sure we are in station mode and connected */ - if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) - return -ENOTSUPP; - - mwifiex_dbg(priv->adapter, MSG, - "TDLS peer=%pM, oper=%d\n", peer, action); - - switch (action) { - case NL80211_TDLS_ENABLE_LINK: - action = MWIFIEX_TDLS_ENABLE_LINK; - break; - case NL80211_TDLS_DISABLE_LINK: - action = MWIFIEX_TDLS_DISABLE_LINK; - break; - case NL80211_TDLS_TEARDOWN: - /* shouldn't happen!*/ - mwifiex_dbg(priv->adapter, ERROR, - "tdls_oper: teardown from driver not supported\n"); - return -EINVAL; - case NL80211_TDLS_SETUP: - /* shouldn't happen!*/ - mwifiex_dbg(priv->adapter, ERROR, - "tdls_oper: setup from driver not supported\n"); - return -EINVAL; - case NL80211_TDLS_DISCOVERY_REQ: - /* shouldn't happen!*/ - mwifiex_dbg(priv->adapter, ERROR, - "tdls_oper: discovery from driver not supported\n"); - return -EINVAL; - default: - mwifiex_dbg(priv->adapter, ERROR, - "tdls_oper: operation not supported\n"); - return -ENOTSUPP; - } - - return mwifiex_tdls_oper(priv, peer, action); -} - -static int -mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, - const u8 *addr, u8 oper_class, - struct cfg80211_chan_def *chandef) -{ - struct mwifiex_sta_node *sta_ptr; - unsigned long flags; - u16 chan; - u8 second_chan_offset, band; - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - spin_lock_irqsave(&priv->sta_list_spinlock, flags); - sta_ptr = mwifiex_get_sta_entry(priv, addr); - spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); - - if (!sta_ptr) { - wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", - __func__, addr); - return -ENOENT; - } - - if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & - WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { - wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); - return -ENOENT; - } - - if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || - sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { - wiphy_err(wiphy, "channel switch is running, abort request\n"); - return -EALREADY; - } - - chan = chandef->chan->hw_value; - second_chan_offset = mwifiex_get_sec_chan_offset(chan); - band = chandef->chan->band; - mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); - - return 0; -} - -static void -mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, - struct net_device *dev, - const u8 *addr) -{ - struct mwifiex_sta_node *sta_ptr; - unsigned long flags; - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - spin_lock_irqsave(&priv->sta_list_spinlock, flags); - sta_ptr = mwifiex_get_sta_entry(priv, addr); - spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); - - if (!sta_ptr) { - wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", - __func__, addr); - } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || - sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || - sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { - wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", - addr); - } else - mwifiex_stop_tdls_cs(priv, addr); -} - -static int -mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, - const u8 *mac, struct station_parameters *params) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) - return -ENOTSUPP; - - /* make sure we are in station mode and connected */ - if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) - return -ENOTSUPP; - - return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); -} - -static int -mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_csa_settings *params) -{ - struct ieee_types_header *chsw_ie; - struct ieee80211_channel_sw_ie *channel_sw; - int chsw_msec; - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - if (priv->adapter->scan_processing) { - mwifiex_dbg(priv->adapter, ERROR, - "radar detection: scan in process...\n"); - return -EBUSY; - } - - if (priv->wdev.cac_started) - return -EBUSY; - - if (cfg80211_chandef_identical(¶ms->chandef, - &priv->dfs_chandef)) - return -EINVAL; - - chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, - params->beacon_csa.tail, - params->beacon_csa.tail_len); - if (!chsw_ie) { - mwifiex_dbg(priv->adapter, ERROR, - "Could not parse channel switch announcement IE\n"); - return -EINVAL; - } - - channel_sw = (void *)(chsw_ie + 1); - if (channel_sw->mode) { - if (netif_carrier_ok(priv->netdev)) - netif_carrier_off(priv->netdev); - mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); - } - - if (mwifiex_del_mgmt_ies(priv)) - mwifiex_dbg(priv->adapter, ERROR, - "Failed to delete mgmt IEs!\n"); - - if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { - mwifiex_dbg(priv->adapter, ERROR, - "%s: setting mgmt ies failed\n", __func__); - return -EFAULT; - } - - memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); - memcpy(&priv->beacon_after, ¶ms->beacon_after, - sizeof(priv->beacon_after)); - - chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); - queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, - msecs_to_jiffies(chsw_msec)); - return 0; -} - -static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, - struct wireless_dev *wdev, - struct cfg80211_chan_def *chandef) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); - struct mwifiex_bssdescriptor *curr_bss; - struct ieee80211_channel *chan; - u8 second_chan_offset; - enum nl80211_channel_type chan_type; - enum ieee80211_band band; - int freq; - int ret = -ENODATA; - - if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && - cfg80211_chandef_valid(&priv->bss_chandef)) { - *chandef = priv->bss_chandef; - ret = 0; - } else if (priv->media_connected) { - curr_bss = &priv->curr_bss_params.bss_descriptor; - band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); - freq = ieee80211_channel_to_frequency(curr_bss->channel, band); - chan = ieee80211_get_channel(wiphy, freq); - - if (curr_bss->bcn_ht_oper) { - second_chan_offset = curr_bss->bcn_ht_oper->ht_param & - IEEE80211_HT_PARAM_CHA_SEC_OFFSET; - chan_type = mwifiex_sec_chan_offset_to_chan_type - (second_chan_offset); - cfg80211_chandef_create(chandef, chan, chan_type); - } else { - cfg80211_chandef_create(chandef, chan, - NL80211_CHAN_NO_HT); - } - ret = 0; - } - - return ret; -} - -static int -mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, - struct net_device *dev, - struct cfg80211_chan_def *chandef, - u32 cac_time_ms) -{ - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - struct mwifiex_radar_params radar_params; - - if (priv->adapter->scan_processing) { - mwifiex_dbg(priv->adapter, ERROR, - "radar detection: scan already in process...\n"); - return -EBUSY; - } - - if (!mwifiex_is_11h_active(priv)) { - mwifiex_dbg(priv->adapter, INFO, - "Enable 11h extensions in FW\n"); - if (mwifiex_11h_activate(priv, true)) { - mwifiex_dbg(priv->adapter, ERROR, - "Failed to activate 11h extensions!!"); - return -1; - } - priv->state_11h.is_11h_active = true; - } - - memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); - radar_params.chandef = chandef; - radar_params.cac_time_ms = cac_time_ms; - - memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); - - if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, - HostCmd_ACT_GEN_SET, 0, &radar_params, true)) - return -1; - - queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, - msecs_to_jiffies(cac_time_ms)); - return 0; -} - -static int -mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, - const u8 *mac, - struct station_parameters *params) -{ - int ret; - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - - /* we support change_station handler only for TDLS peers*/ - if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) - return -ENOTSUPP; - - /* make sure we are in station mode and connected */ - if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) - return -ENOTSUPP; - - priv->sta_params = params; - - ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); - priv->sta_params = NULL; - - return ret; -} - -/* station cfg80211 operations */ -static struct cfg80211_ops mwifiex_cfg80211_ops = { - .add_virtual_intf = mwifiex_add_virtual_intf, - .del_virtual_intf = mwifiex_del_virtual_intf, - .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, - .scan = mwifiex_cfg80211_scan, - .connect = mwifiex_cfg80211_connect, - .disconnect = mwifiex_cfg80211_disconnect, - .get_station = mwifiex_cfg80211_get_station, - .dump_station = mwifiex_cfg80211_dump_station, - .dump_survey = mwifiex_cfg80211_dump_survey, - .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, - .join_ibss = mwifiex_cfg80211_join_ibss, - .leave_ibss = mwifiex_cfg80211_leave_ibss, - .add_key = mwifiex_cfg80211_add_key, - .del_key = mwifiex_cfg80211_del_key, - .mgmt_tx = mwifiex_cfg80211_mgmt_tx, - .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, - .remain_on_channel = mwifiex_cfg80211_remain_on_channel, - .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, - .set_default_key = mwifiex_cfg80211_set_default_key, - .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, - .set_tx_power = mwifiex_cfg80211_set_tx_power, - .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, - .start_ap = mwifiex_cfg80211_start_ap, - .stop_ap = mwifiex_cfg80211_stop_ap, - .change_beacon = mwifiex_cfg80211_change_beacon, - .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, - .set_antenna = mwifiex_cfg80211_set_antenna, - .del_station = mwifiex_cfg80211_del_station, -#ifdef CONFIG_PM - .suspend = mwifiex_cfg80211_suspend, - .resume = mwifiex_cfg80211_resume, - .set_wakeup = mwifiex_cfg80211_set_wakeup, -#endif - .set_coalesce = mwifiex_cfg80211_set_coalesce, - .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, - .tdls_oper = mwifiex_cfg80211_tdls_oper, - .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, - .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, - .add_station = mwifiex_cfg80211_add_station, - .change_station = mwifiex_cfg80211_change_station, - .get_channel = mwifiex_cfg80211_get_channel, - .start_radar_detection = mwifiex_cfg80211_start_radar_detection, - .channel_switch = mwifiex_cfg80211_channel_switch, -}; - -#ifdef CONFIG_PM -static const struct wiphy_wowlan_support mwifiex_wowlan_support = { - .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT, - .n_patterns = MWIFIEX_MEF_MAX_FILTERS, - .pattern_min_len = 1, - .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, - .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, -}; -#endif - -static bool mwifiex_is_valid_alpha2(const char *alpha2) -{ - if (!alpha2 || strlen(alpha2) != 2) - return false; - - if (isalpha(alpha2[0]) && isalpha(alpha2[1])) - return true; - - return false; -} - -static const struct wiphy_coalesce_support mwifiex_coalesce_support = { - .n_rules = MWIFIEX_COALESCE_MAX_RULES, - .max_delay = MWIFIEX_MAX_COALESCING_DELAY, - .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, - .pattern_min_len = 1, - .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, - .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, -}; - -int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) -{ - u32 n_channels_bg, n_channels_a = 0; - - n_channels_bg = mwifiex_band_2ghz.n_channels; - - if (adapter->config_bands & BAND_A) - n_channels_a = mwifiex_band_5ghz.n_channels; - - adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a); - adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * - adapter->num_in_chan_stats); - - if (!adapter->chan_stats) - return -ENOMEM; - - return 0; -} - -/* - * This function registers the device with CFG802.11 subsystem. - * - * The function creates the wireless device/wiphy, populates it with - * default parameters and handler function pointers, and finally - * registers the device. - */ - -int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) -{ - int ret; - void *wdev_priv; - struct wiphy *wiphy; - struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; - u8 *country_code; - u32 thr, retry; - - /* create a new wiphy for use with cfg80211 */ - wiphy = wiphy_new(&mwifiex_cfg80211_ops, - sizeof(struct mwifiex_adapter *)); - if (!wiphy) { - mwifiex_dbg(adapter, ERROR, - "%s: creating new wiphy\n", __func__); - return -ENOMEM; - } - wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; - wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; - wiphy->mgmt_stypes = mwifiex_mgmt_stypes; - wiphy->max_remain_on_channel_duration = 5000; - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_AP); - - wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz; - if (adapter->config_bands & BAND_A) - wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; - else - wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; - - if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) - wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; - else if (adapter->is_hw_11ac_capable) - wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; - else - wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; - wiphy->n_iface_combinations = 1; - - /* Initialize cipher suits */ - wiphy->cipher_suites = mwifiex_cipher_suites; - wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); - - ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); - wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; - wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | - WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | - WIPHY_FLAG_AP_UAPSD | - WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | - WIPHY_FLAG_HAS_CHANNEL_SWITCH | - WIPHY_FLAG_PS_ON_BY_DEFAULT; - - if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) - wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | - WIPHY_FLAG_TDLS_EXTERNAL_SETUP; - -#ifdef CONFIG_PM - wiphy->wowlan = &mwifiex_wowlan_support; -#endif - - wiphy->coalesce = &mwifiex_coalesce_support; - - wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | - NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | - NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; - - wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; - wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; - - wiphy->features |= NL80211_FEATURE_HT_IBSS | - NL80211_FEATURE_INACTIVITY_TIMER | - NL80211_FEATURE_NEED_OBSS_SCAN; - - if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) - wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; - - if (adapter->fw_api_ver == MWIFIEX_FW_V15) - wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; - - /* Reserve space for mwifiex specific private data for BSS */ - wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); - - wiphy->reg_notifier = mwifiex_reg_notifier; - - /* Set struct mwifiex_adapter pointer in wiphy_priv */ - wdev_priv = wiphy_priv(wiphy); - *(unsigned long *)wdev_priv = (unsigned long)adapter; - - set_wiphy_dev(wiphy, priv->adapter->dev); - - ret = wiphy_register(wiphy); - if (ret < 0) { - mwifiex_dbg(adapter, ERROR, - "%s: wiphy_register failed: %d\n", __func__, ret); - wiphy_free(wiphy); - return ret; - } - - if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { - mwifiex_dbg(adapter, INFO, - "driver hint alpha2: %2.2s\n", reg_alpha2); - regulatory_hint(wiphy, reg_alpha2); - } else { - country_code = mwifiex_11d_code_2_region(adapter->region_code); - if (country_code) - mwifiex_dbg(adapter, WARN, - "ignoring F/W country code %2.2s\n", - country_code); - } - - mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, - HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); - wiphy->frag_threshold = thr; - mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, - HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); - wiphy->rts_threshold = thr; - mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, - HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); - wiphy->retry_short = (u8) retry; - mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, - HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); - wiphy->retry_long = (u8) retry; - - adapter->wiphy = wiphy; - return ret; -} -- cgit v1.2.3-54-g00ecf