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Nxpwifi hooks separate auth and assoc in order to use SAE of wpa_supplicant and hostapd. Because NXP FW still involves in association process (driver should use association command to communicate with FW to do association process), so it is impossible for nxpwifi to leverage mac80211. Signed-off-by: David Lin --- drivers/net/wireless/nxp/nxpwifi/cfg80211.c | 4003 +++++++++++++++++++ drivers/net/wireless/nxp/nxpwifi/cfg80211.h | 19 + 2 files changed, 4022 insertions(+) create mode 100644 drivers/net/wireless/nxp/nxpwifi/cfg80211.c create mode 100644 drivers/net/wireless/nxp/nxpwifi/cfg80211.h diff --git a/drivers/net/wireless/nxp/nxpwifi/cfg80211.c b/drivers/net/wireless/nxp/nxpwifi/cfg80211.c new file mode 100644 index 000000000000..f8b081405ff7 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/cfg80211.c @@ -0,0 +1,4003 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * NXP Wireless LAN device driver: CFG80211 + * + * Copyright 2011-2024 NXP + */ + +#include "cfg80211.h" +#include "main.h" +#include "cmdevt.h" +#include "11n.h" +#include "wmm.h" + +static const struct ieee80211_iface_limit nxpwifi_ap_sta_limits[] = { + { + .max = NXPWIFI_MAX_BSS_NUM, + .types = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP), + }, +}; + +static const struct ieee80211_iface_combination +nxpwifi_iface_comb_ap_sta = { + .limits = nxpwifi_ap_sta_limits, + .num_different_channels = 1, + .n_limits = ARRAY_SIZE(nxpwifi_ap_sta_limits), + .max_interfaces = NXPWIFI_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 +nxpwifi_iface_comb_ap_sta_vht = { + .limits = nxpwifi_ap_sta_limits, + .num_different_channels = 1, + .n_limits = ARRAY_SIZE(nxpwifi_ap_sta_limits), + .max_interfaces = NXPWIFI_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), +}; + +/* 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 nxpwifi_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 nxpwifi_get_chan_type(struct nxpwifi_private *priv) +{ + struct nxpwifi_channel_band channel_band; + int ret; + + ret = nxpwifi_get_chan_info(priv, &channel_band); + + if (!ret) { + switch (channel_band.band_config.chan_width) { + case CHAN_BW_20MHZ: + if (IS_11N_ENABLED(priv)) + return NL80211_CHAN_HT20; + else + return NL80211_CHAN_NO_HT; + case CHAN_BW_40MHZ: + if (channel_band.band_config.chan2_offset == + SEC_CHAN_ABOVE) + return NL80211_CHAN_HT40PLUS; + else + return NL80211_CHAN_HT40MINUS; + default: + return NL80211_CHAN_HT20; + } + } + + return NL80211_CHAN_HT20; +} + +/* This function retrieves the private structure from kernel wiphy structure. + */ +static void *nxpwifi_cfg80211_get_adapter(struct wiphy *wiphy) +{ + return (void *)(*(unsigned long *)wiphy_priv(wiphy)); +} + +/* CFG802.11 operation handler to delete a network key. + */ +static int +nxpwifi_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, + int link_id, u8 key_index, bool pairwise, + const u8 *mac_addr) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(netdev); + static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + const u8 *peer_mac = pairwise ? mac_addr : bc_mac; + int ret; + + ret = nxpwifi_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "crypto keys deleted failed %d\n", ret); + else + nxpwifi_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); + + return ret; +} + +/* This function forms an skb for management frame. + */ +static void +nxpwifi_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, NXPWIFI_MIN_DATA_HEADER_LEN + + NXPWIFI_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 */ + skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr)); + skb_put_data(skb, addr, ETH_ALEN); + skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr), + len - sizeof(struct ieee80211_hdr_3addr)); + + skb->priority = LOW_PRIO_TID; + __net_timestamp(skb); +} + +/* CFG802.11 operation handler to transmit a management frame. + */ +static int +nxpwifi_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 nxpwifi_txinfo *tx_info; + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + + if (!buf || !len) { + nxpwifi_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); + return -EINVAL; + } + + mgmt = (const struct ieee80211_mgmt *)buf; + if (GET_BSS_ROLE(priv) != NXPWIFI_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 + */ + nxpwifi_dbg(priv->adapter, INFO, + "info: skip to send probe resp in AP or GO mode\n"); + return 0; + } + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + if (ieee80211_is_auth(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "auth: send auth to %pM\n", mgmt->da); + if (ieee80211_is_deauth(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "auth: send deauth to %pM\n", mgmt->da); + if (ieee80211_is_disassoc(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "assoc: send disassoc to %pM\n", mgmt->da); + if (ieee80211_is_assoc_resp(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "assoc: send assoc resp to %pM\n", + mgmt->da); + if (ieee80211_is_reassoc_resp(mgmt->frame_control)) + nxpwifi_dbg(priv->adapter, MSG, + "assoc: send reassoc resp to %pM\n", + mgmt->da); + } + + pkt_len = len + ETH_ALEN; + skb = dev_alloc_skb(NXPWIFI_MIN_DATA_HEADER_LEN + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + + pkt_len + sizeof(pkt_len)); + + if (!skb) { + nxpwifi_dbg(priv->adapter, ERROR, + "allocate skb failed for management frame\n"); + return -ENOMEM; + } + + tx_info = NXPWIFI_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; + + nxpwifi_form_mgmt_frame(skb, buf, len); + *cookie = nxpwifi_roc_cookie(priv->adapter); + + if (ieee80211_is_action(mgmt->frame_control)) + skb = nxpwifi_clone_skb_for_tx_status(priv, + skb, + NXPWIFI_BUF_FLAG_ACTION_TX_STATUS, cookie); + else + cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, + GFP_ATOMIC); + + nxpwifi_queue_tx_pkt(priv, skb); + + nxpwifi_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); + return 0; +} + +/* CFG802.11 operation handler to register a mgmt frame. + */ +static void +nxpwifi_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct mgmt_frame_regs *upd) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + u32 mask = upd->interface_stypes; + + if (mask != priv->mgmt_frame_mask) { + priv->mgmt_frame_mask = mask; + if (priv->host_mlme_reg && + GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) + priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; + nxpwifi_send_cmd(priv, HOST_CMD_MGMT_FRAME_REG, + HOST_ACT_GEN_SET, 0, + &priv->mgmt_frame_mask, false); + nxpwifi_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); + } +} + +/* CFG802.11 operation handler to remain on channel. + */ +static int +nxpwifi_cfg80211_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct ieee80211_channel *chan, + unsigned int duration, u64 *cookie) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + + if (!chan || !cookie) { + nxpwifi_dbg(adapter, ERROR, "Invalid parameter for ROC\n"); + return -EINVAL; + } + + if (priv->roc_cfg.cookie) { + nxpwifi_dbg(adapter, INFO, + "info: ongoing ROC, cookie = 0x%llx\n", + priv->roc_cfg.cookie); + return -EBUSY; + } + + ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_SET, chan, + duration); + + if (!ret) { + *cookie = nxpwifi_roc_cookie(adapter); + priv->roc_cfg.cookie = *cookie; + priv->roc_cfg.chan = *chan; + + cfg80211_ready_on_channel(wdev, *cookie, chan, + duration, GFP_ATOMIC); + + nxpwifi_dbg(adapter, INFO, + "info: ROC, cookie = 0x%llx\n", *cookie); + } + + return ret; +} + +/* CFG802.11 operation handler to cancel remain on channel. + */ +static int +nxpwifi_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, u64 cookie) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + int ret; + + if (cookie != priv->roc_cfg.cookie) + return -ENOENT; + + ret = nxpwifi_remain_on_chan_cfg(priv, HOST_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 nxpwifi_roc_cfg)); + + nxpwifi_dbg(priv->adapter, INFO, + "info: cancel ROC, cookie = 0x%llx\n", cookie); + } + + return ret; +} + +/* CFG802.11 operation handler to set Tx power. + */ +static int +nxpwifi_cfg80211_set_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, + enum nl80211_tx_power_setting type, + int mbm) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct nxpwifi_power_cfg power_cfg; + int dbm = MBM_TO_DBM(mbm); + + switch (type) { + case NL80211_TX_POWER_FIXED: + power_cfg.is_power_auto = 0; + power_cfg.is_power_fixed = 1; + power_cfg.power_level = dbm; + break; + case NL80211_TX_POWER_LIMITED: + power_cfg.is_power_auto = 0; + power_cfg.is_power_fixed = 0; + power_cfg.power_level = dbm; + break; + case NL80211_TX_POWER_AUTOMATIC: + power_cfg.is_power_auto = 1; + break; + } + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + return nxpwifi_set_tx_power(priv, &power_cfg); +} + +/* CFG802.11 operation handler to get Tx power. + */ +static int +nxpwifi_cfg80211_get_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, + int *dbm) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, + NXPWIFI_BSS_ROLE_ANY); + int ret = nxpwifi_send_cmd(priv, HOST_CMD_RF_TX_PWR, + HOST_ACT_GEN_GET, 0, NULL, true); + + if (ret < 0) + return ret; + + /* tx_power_level is set in HOST_CMD_RF_TX_PWR command handler */ + *dbm = priv->tx_power_level; + + return 0; +} + +/* CFG802.11 operation handler to set Power Save option. + * + * The timeout value, if provided, is currently ignored. + */ +static int +nxpwifi_cfg80211_set_power_mgmt(struct wiphy *wiphy, + struct net_device *dev, + bool enabled, int timeout) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + u32 ps_mode; + + if (timeout) + nxpwifi_dbg(priv->adapter, INFO, + "info: ignore timeout value for IEEE Power Save\n"); + + ps_mode = enabled; + + return nxpwifi_drv_set_power(priv, &ps_mode); +} + +/* CFG802.11 operation handler to set the default network key. + */ +static int +nxpwifi_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, + int link_id, u8 key_index, bool unicast, + bool multicast) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(netdev); + int ret = 0; + + /* Return if WEP key not configured */ + if (!priv->sec_info.wep_enabled) + return 0; + + if (priv->bss_type == NXPWIFI_BSS_TYPE_UAP) { + priv->wep_key_curr_index = key_index; + } else { + ret = nxpwifi_set_encode(priv, NULL, NULL, 0, key_index, + NULL, 0); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "failed to set default Tx key index\n"); + } + + return ret; +} + +/* CFG802.11 operation handler to add a network key. + */ +static int +nxpwifi_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, + int link_id, u8 key_index, bool pairwise, + const u8 *mac_addr, struct key_params *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(netdev); + struct nxpwifi_wep_key *wep_key; + static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + const u8 *peer_mac = pairwise ? mac_addr : bc_mac; + int ret; + + if (GET_BSS_ROLE(priv) == NXPWIFI_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 nxpwifi_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; + } + + ret = nxpwifi_set_encode(priv, params, params->key, params->key_len, + key_index, peer_mac, 0); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "failed to add crypto keys\n"); + + return ret; +} + +/* CFG802.11 operation handler to set default mgmt key. + */ +static int +nxpwifi_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, + struct net_device *netdev, + int link_id, + u8 key_index) +{ + 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 nxpwifi_send_domain_info_cmd_fw(struct wiphy *wiphy, enum nl80211_band band) +{ + 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; + struct ieee80211_supported_band *sband; + struct ieee80211_channel *ch; + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct nxpwifi_802_11d_domain_reg *domain_info = &adapter->domain_reg; + int ret; + + domain_info->dfs_region = adapter->dfs_region; + + /* 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] = ' '; + + if (!wiphy->bands[band]) { + nxpwifi_dbg(adapter, ERROR, + "11D: setting domain info in FW\n"); + return -EINVAL; + } + + 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 = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11D_DOMAIN_INFO, + HOST_ACT_GEN_SET, 0, NULL, false); + + if (ret) + nxpwifi_dbg(adapter, INFO, + "11D: failed to set domain info in FW\n"); + + return ret; +} + +static void nxpwifi_reg_apply_radar_flags(struct wiphy *wiphy) +{ + struct ieee80211_supported_band *sband; + struct ieee80211_channel *chan; + unsigned int i; + + if (!wiphy->bands[NL80211_BAND_5GHZ]) + return; + sband = wiphy->bands[NL80211_BAND_5GHZ]; + + for (i = 0; i < sband->n_channels; i++) { + chan = &sband->channels[i]; + if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) && + (chan->flags & IEEE80211_CHAN_RADAR)) + chan->flags |= IEEE80211_CHAN_NO_IR; + } +} + +/* 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 nxpwifi_reg_notifier(struct wiphy *wiphy, + struct regulatory_request *request) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, + NXPWIFI_BSS_ROLE_ANY); + nxpwifi_dbg(adapter, INFO, + "info: cfg80211 regulatory domain callback for %c%c\n", + request->alpha2[0], request->alpha2[1]); + nxpwifi_reg_apply_radar_flags(wiphy); + + 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: + nxpwifi_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)); + adapter->dfs_region = request->dfs_region; + nxpwifi_send_domain_info_cmd_fw(wiphy, NL80211_BAND_2GHZ); + if (adapter->fw_bands & BAND_A) + nxpwifi_send_domain_info_cmd_fw(wiphy, + NL80211_BAND_5GHZ); + nxpwifi_dnld_txpwr_table(priv); + } +} + +/* This function sets the fragmentation threshold. + * + * The fragmentation threshold value must lie between NXPWIFI_FRAG_MIN_VALUE + * and NXPWIFI_FRAG_MAX_VALUE. + */ +static int +nxpwifi_set_frag(struct nxpwifi_private *priv, u32 frag_thr) +{ + if (frag_thr < NXPWIFI_FRAG_MIN_VALUE || + frag_thr > NXPWIFI_FRAG_MAX_VALUE) + frag_thr = NXPWIFI_FRAG_MAX_VALUE; + + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_SET, FRAG_THRESH_I, + &frag_thr, true); +} + +/* This function sets the RTS threshold. + * + * The rts value must lie between NXPWIFI_RTS_MIN_VALUE + * and NXPWIFI_RTS_MAX_VALUE. + */ +static int +nxpwifi_set_rts(struct nxpwifi_private *priv, u32 rts_thr) +{ + if (rts_thr < NXPWIFI_RTS_MIN_VALUE || rts_thr > NXPWIFI_RTS_MAX_VALUE) + rts_thr = NXPWIFI_RTS_MAX_VALUE; + + return nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_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 +nxpwifi_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct nxpwifi_uap_bss_param *bss_cfg; + int ret = 0; + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY); + + switch (priv->bss_role) { + case NXPWIFI_BSS_ROLE_UAP: + bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); + if (!bss_cfg) { + ret = -ENOMEM; + break; + } + + nxpwifi_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 = nxpwifi_send_cmd(priv, HOST_CMD_UAP_SYS_CONFIG, + HOST_ACT_GEN_SET, + UAP_BSS_PARAMS_I, bss_cfg, + false); + + kfree(bss_cfg); + if (ret) + nxpwifi_dbg(adapter, ERROR, + "Failed to set wiphy phy params\n"); + break; + + case NXPWIFI_BSS_ROLE_STA: + if (changed & WIPHY_PARAM_RTS_THRESHOLD) { + ret = nxpwifi_set_rts(priv, + wiphy->rts_threshold); + if (ret) + break; + } + if (changed & WIPHY_PARAM_FRAG_THRESHOLD) + ret = nxpwifi_set_frag(priv, + wiphy->frag_threshold); + break; + } + + return ret; +} + +static int nxpwifi_deinit_priv_params(struct nxpwifi_private *priv) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + unsigned long flags; + int ret; + + priv->host_mlme_reg = false; + priv->mgmt_frame_mask = 0; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_MGMT_FRAME_REG, + HOST_ACT_GEN_SET, 0, + &priv->mgmt_frame_mask, false); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "could not unregister mgmt frame rx\n"); + return ret; + } + + nxpwifi_deauthenticate(priv, NULL); + + spin_lock_irqsave(&adapter->main_proc_lock, flags); + adapter->main_locked = true; + if (adapter->nxpwifi_processing) { + spin_unlock_irqrestore(&adapter->main_proc_lock, flags); + flush_workqueue(adapter->workqueue); + } else { + spin_unlock_irqrestore(&adapter->main_proc_lock, flags); + } + + tasklet_disable(&adapter->rx_task); + + nxpwifi_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 ret; +} + +static int +nxpwifi_init_new_priv_params(struct nxpwifi_private *priv, + struct net_device *dev, + enum nl80211_iftype type) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + unsigned long flags; + + nxpwifi_init_priv(priv); + + priv->bss_mode = type; + priv->wdev.iftype = type; + + nxpwifi_init_priv_params(priv, priv->netdev); + priv->bss_started = 0; + + switch (type) { + case NL80211_IFTYPE_STATION: + priv->bss_role = NXPWIFI_BSS_ROLE_STA; + priv->bss_type = NXPWIFI_BSS_TYPE_STA; + break; + case NL80211_IFTYPE_AP: + priv->bss_role = NXPWIFI_BSS_ROLE_UAP; + priv->bss_type = NXPWIFI_BSS_TYPE_UAP; + break; + default: + nxpwifi_dbg(adapter, ERROR, + "%s: changing to %d not supported\n", + dev->name, type); + return -EOPNOTSUPP; + } + + priv->bss_num = nxpwifi_get_unused_bss_num(adapter, priv->bss_type); + + spin_lock_irqsave(&adapter->main_proc_lock, flags); + adapter->main_locked = false; + spin_unlock_irqrestore(&adapter->main_proc_lock, flags); + + tasklet_enable(&adapter->rx_task); + + nxpwifi_set_mac_address(priv, dev, false, NULL); + + return 0; +} + +static bool +is_vif_type_change_allowed(struct nxpwifi_adapter *adapter, + enum nl80211_iftype old_iftype, + enum nl80211_iftype new_iftype) +{ + switch (old_iftype) { + case NL80211_IFTYPE_STATION: + switch (new_iftype) { + case NL80211_IFTYPE_AP: + return adapter->curr_iface_comb.uap_intf != + adapter->iface_limit.uap_intf; + default: + return false; + } + + case NL80211_IFTYPE_AP: + switch (new_iftype) { + case NL80211_IFTYPE_STATION: + return adapter->curr_iface_comb.sta_intf != + adapter->iface_limit.sta_intf; + default: + return false; + } + + default: + break; + } + + return false; +} + +static void +update_vif_type_counter(struct nxpwifi_adapter *adapter, + enum nl80211_iftype iftype, + int change) +{ + switch (iftype) { + case NL80211_IFTYPE_UNSPECIFIED: + case NL80211_IFTYPE_STATION: + adapter->curr_iface_comb.sta_intf += change; + break; + case NL80211_IFTYPE_AP: + adapter->curr_iface_comb.uap_intf += change; + break; + default: + nxpwifi_dbg(adapter, ERROR, + "%s: Unsupported iftype passed: %d\n", + __func__, iftype); + break; + } +} + +static int +nxpwifi_change_vif_to_sta(struct net_device *dev, + enum nl80211_iftype curr_iftype, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct nxpwifi_private *priv; + struct nxpwifi_adapter *adapter; + int ret; + + priv = nxpwifi_netdev_get_priv(dev); + + if (!priv) + return -EINVAL; + + adapter = priv->adapter; + + nxpwifi_dbg(adapter, INFO, + "%s: changing role to station\n", dev->name); + + ret = nxpwifi_deinit_priv_params(priv); + if (ret) + goto done; + ret = nxpwifi_init_new_priv_params(priv, dev, type); + if (ret) + goto done; + + update_vif_type_counter(adapter, curr_iftype, -1); + update_vif_type_counter(adapter, type, 1); + dev->ieee80211_ptr->iftype = type; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_SET_BSS_MODE, + HOST_ACT_GEN_SET, 0, NULL, true); + if (ret) + goto done; + + ret = nxpwifi_sta_init_cmd(priv, false, false); + +done: + return ret; +} + +static int +nxpwifi_change_vif_to_ap(struct net_device *dev, + enum nl80211_iftype curr_iftype, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct nxpwifi_private *priv; + struct nxpwifi_adapter *adapter; + int ret; + + priv = nxpwifi_netdev_get_priv(dev); + + if (!priv) + return -EINVAL; + + adapter = priv->adapter; + + nxpwifi_dbg(adapter, INFO, + "%s: changing role to AP\n", dev->name); + + ret = nxpwifi_deinit_priv_params(priv); + if (ret) + goto done; + + ret = nxpwifi_init_new_priv_params(priv, dev, type); + if (ret) + goto done; + + update_vif_type_counter(adapter, curr_iftype, -1); + update_vif_type_counter(adapter, type, 1); + dev->ieee80211_ptr->iftype = type; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_SET_BSS_MODE, + HOST_ACT_GEN_SET, 0, NULL, true); + if (ret) + goto done; + + ret = nxpwifi_sta_init_cmd(priv, false, false); + +done: + return ret; +} + +/* CFG802.11 operation handler to change interface type. + */ +static int +nxpwifi_cfg80211_change_virtual_intf(struct wiphy *wiphy, + struct net_device *dev, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; + + if (priv->scan_request) { + nxpwifi_dbg(priv->adapter, ERROR, + "change virtual interface: scan in process\n"); + return -EBUSY; + } + + if (type == NL80211_IFTYPE_UNSPECIFIED) { + nxpwifi_dbg(priv->adapter, INFO, + "%s: no new type specified, keeping old type %d\n", + dev->name, curr_iftype); + return 0; + } + + if (curr_iftype == type) { + nxpwifi_dbg(priv->adapter, INFO, + "%s: interface already is of type %d\n", + dev->name, curr_iftype); + return 0; + } + + if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) { + nxpwifi_dbg(priv->adapter, ERROR, + "%s: change from type %d to %d is not allowed\n", + dev->name, curr_iftype, type); + return -EOPNOTSUPP; + } + + switch (curr_iftype) { + case NL80211_IFTYPE_STATION: + switch (type) { + case NL80211_IFTYPE_AP: + return nxpwifi_change_vif_to_ap(dev, curr_iftype, type, + params); + default: + goto errnotsupp; + } + + case NL80211_IFTYPE_AP: + switch (type) { + case NL80211_IFTYPE_STATION: + return nxpwifi_change_vif_to_sta(dev, curr_iftype, + type, params); + break; + default: + goto errnotsupp; + } + + default: + goto errnotsupp; + } + + return 0; + +errnotsupp: + nxpwifi_dbg(priv->adapter, ERROR, + "unsupported interface type transition: %d to %d\n", + curr_iftype, type); + return -EOPNOTSUPP; +} + +#define RATE_FORMAT_LG 0 +#define RATE_FORMAT_HT 1 +#define RATE_FORMAT_VHT 2 +#define RATE_FORMAT_HE 3 + +static void +nxpwifi_parse_htinfo(struct nxpwifi_private *priv, u8 rateinfo, u8 htinfo, + struct rate_info *rate) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + u8 rate_format; + u8 he_dcm; + u8 stbc; + u8 gi; + u8 bw; + + rate_format = htinfo & 0x3; + + switch (rate_format) { + case RATE_FORMAT_LG: + /* Bitrates in multiples of 100kb/s. */ + static const int legacy_rates[] = { + [0] = 10, + [1] = 20, + [2] = 55, + [3] = 110, + [4] = 60, /* NXPWIFI_RATE_INDEX_OFDM0 */ + [5] = 60, + [6] = 90, + [7] = 120, + [8] = 180, + [9] = 240, + [10] = 360, + [11] = 480, + [12] = 540, + }; + if (rateinfo < ARRAY_SIZE(legacy_rates)) + rate->legacy = legacy_rates[rateinfo]; + break; + case RATE_FORMAT_HT: + rate->mcs = rateinfo; + rate->flags |= RATE_INFO_FLAGS_MCS; + break; + case RATE_FORMAT_VHT: + rate->mcs = rateinfo & 0xF; + rate->flags |= RATE_INFO_FLAGS_VHT_MCS; + break; + case RATE_FORMAT_HE: + rate->mcs = rateinfo & 0xF; + rate->flags |= RATE_INFO_FLAGS_HE_MCS; + he_dcm = 0; /* ToDo: ext_rate_info */ + gi = (htinfo & BIT(4)) >> 4 | + (htinfo & BIT(7)) >> 6; + stbc = (htinfo & BIT(5)) >> 5; + if (gi > 3) { + nxpwifi_dbg(adapter, ERROR, "Invalid gi value\n"); + break; + } + if (gi == 3 && stbc && he_dcm) { + gi = 0; + stbc = 0; + he_dcm = 0; + } + if (gi > 0) + gi -= 1; + rate->he_gi = gi; + rate->he_dcm = he_dcm; + break; + } + + bw = (htinfo & 0xC) >> 2; + + switch (bw) { + case 0: + rate->bw = RATE_INFO_BW_20; + break; + case 1: + rate->bw = RATE_INFO_BW_40; + break; + case 2: + rate->bw = RATE_INFO_BW_80; + break; + case 3: + rate->bw = RATE_INFO_BW_160; + break; + } + + if (rate_format != RATE_FORMAT_HE && (htinfo & BIT(4))) + rate->flags |= RATE_INFO_FLAGS_SHORT_GI; + + if ((rateinfo >> 4) == 1) + rate->nss = 2; + else + rate->nss = 1; +} + +/* 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 +nxpwifi_dump_station_info(struct nxpwifi_private *priv, + struct nxpwifi_sta_node *node, + struct station_info *sinfo) +{ + u32 rate; + int ret; + + sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | + BIT_ULL(NL80211_STA_INFO_TX_BYTES) | + BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | + BIT_ULL(NL80211_STA_INFO_SIGNAL) | + BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + if (!node) + return -ENOENT; + + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | + BIT_ULL(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; + + nxpwifi_parse_htinfo(priv, priv->tx_rate, + node->stats.last_tx_htinfo, + &sinfo->txrate); + sinfo->txrate.legacy = node->stats.last_tx_rate * 5; + + return 0; + } + + /* Get signal information from the firmware */ + ret = nxpwifi_send_cmd(priv, HOST_CMD_RSSI_INFO, + HOST_ACT_GEN_GET, 0, NULL, true); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "failed to get signal information\n"); + goto done; + } + + ret = nxpwifi_drv_get_data_rate(priv, &rate); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "getting data rate error\n"); + goto done; + } + + /* Get DTIM period information from firmware */ + nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_GET, DTIM_PERIOD_I, + &priv->dtim_period, true); + + nxpwifi_parse_htinfo(priv, priv->tx_rate, 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; + + sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); + nxpwifi_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo, + &sinfo->rxrate); + + if (priv->bss_mode == NL80211_IFTYPE_STATION) { + sinfo->filled |= BIT_ULL(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; + } + +done: + return ret; +} + +/* 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 +nxpwifi_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_info *sinfo) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + + if (!priv->media_connected) + return -ENOENT; + if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) + return -ENOENT; + + return nxpwifi_dump_station_info(priv, NULL, sinfo); +} + +/* CFG802.11 operation handler to dump station information. + */ +static int +nxpwifi_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, + int idx, u8 *mac, struct station_info *sinfo) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_sta_node *node; + int i; + + if ((GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) && + priv->media_connected && idx == 0) { + ether_addr_copy(mac, priv->cfg_bssid); + return nxpwifi_dump_station_info(priv, NULL, sinfo); + } else if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + nxpwifi_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, + HOST_ACT_GEN_GET, 0, NULL, true); + + i = 0; + list_for_each_entry(node, &priv->sta_list, list) { + if (i++ != idx) + continue; + ether_addr_copy(mac, node->mac_addr); + return nxpwifi_dump_station_info(priv, node, sinfo); + } + } + + return -ENOENT; +} + +static int +nxpwifi_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, + int idx, struct survey_info *survey) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_chan_stats *pchan_stats = priv->adapter->chan_stats; + enum nl80211_band band; + u8 chan_num; + + nxpwifi_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); + + memset(survey, 0, sizeof(struct survey_info)); + + if ((GET_BSS_ROLE(priv) == NXPWIFI_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 = nxpwifi_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; + chan_num = pchan_stats[idx].chan_num; + survey->channel = ieee80211_get_channel + (wiphy, + ieee80211_channel_to_frequency(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 nxpwifi_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 nxpwifi_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 nxpwifi_band_2ghz = { + .band = NL80211_BAND_2GHZ, + .channels = nxpwifi_channels_2ghz, + .n_channels = ARRAY_SIZE(nxpwifi_channels_2ghz), + .bitrates = nxpwifi_rates, + .n_bitrates = ARRAY_SIZE(nxpwifi_rates), +}; + +static struct ieee80211_channel nxpwifi_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 nxpwifi_band_5ghz = { + .band = NL80211_BAND_5GHZ, + .channels = nxpwifi_channels_5ghz, + .n_channels = ARRAY_SIZE(nxpwifi_channels_5ghz), + .bitrates = nxpwifi_rates + 4, + .n_bitrates = ARRAY_SIZE(nxpwifi_rates) - 4, +}; + +/* Supported crypto cipher suits to be advertised to cfg80211 */ +static const u32 nxpwifi_cipher_suites[] = { + WLAN_CIPHER_SUITE_WEP40, + WLAN_CIPHER_SUITE_WEP104, + WLAN_CIPHER_SUITE_TKIP, + WLAN_CIPHER_SUITE_CCMP, + WLAN_CIPHER_SUITE_SMS4, + WLAN_CIPHER_SUITE_AES_CMAC, +}; + +/* Supported mgmt frame types to be advertised to cfg80211 */ +static const struct ieee80211_txrx_stypes +nxpwifi_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 = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4), + }, +}; + +/* CFG802.11 operation handler for setting bit rates. + * + * Function configures data rates to firmware using bitrate mask + * provided by cfg80211. + */ +static int +nxpwifi_cfg80211_set_bitrate_mask(struct wiphy *wiphy, + struct net_device *dev, + unsigned int link_id, + const u8 *peer, + const struct cfg80211_bitrate_mask *mask) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; + enum nl80211_band band; + struct nxpwifi_adapter *adapter = priv->adapter; + + if (!priv->media_connected) { + nxpwifi_dbg(adapter, ERROR, + "Can not set Tx data rate in disconnected state\n"); + return -EINVAL; + } + + band = nxpwifi_band_to_radio_type(priv->curr_bss_params.band); + + memset(bitmap_rates, 0, sizeof(bitmap_rates)); + + /* Fill HR/DSSS rates. */ + if (band == NL80211_BAND_2GHZ) + bitmap_rates[0] = mask->control[band].legacy & 0x000f; + + /* Fill OFDM rates */ + if (band == NL80211_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 == NXPWIFI_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 nxpwifi_send_cmd(priv, HOST_CMD_TX_RATE_CFG, + HOST_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 nxpwifi_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, + struct net_device *dev, + s32 rssi_thold, u32 rssi_hyst) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_ds_misc_subsc_evt subsc_evt; + int ret = 0; + + priv->cqm_rssi_thold = rssi_thold; + priv->cqm_rssi_hyst = rssi_hyst; + + memset(&subsc_evt, 0x00, sizeof(struct nxpwifi_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 = HOST_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; + ret = nxpwifi_send_cmd(priv, + HOST_CMD_802_11_SUBSCRIBE_EVENT, + 0, 0, &subsc_evt, true); + } else { + subsc_evt.action = HOST_ACT_BITWISE_CLR; + ret = nxpwifi_send_cmd(priv, + HOST_CMD_802_11_SUBSCRIBE_EVENT, + 0, 0, &subsc_evt, true); + } + + return ret; +} + +/* cfg80211 operation handler for change_beacon. + * Function retrieves and sets modified management IEs to FW. + */ +int nxpwifi_cfg80211_change_beacon_data(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_beacon_data *data) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + + nxpwifi_cancel_scan(adapter); + + if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) { + nxpwifi_dbg(priv->adapter, ERROR, + "%s: bss_type mismatched\n", __func__); + return -EINVAL; + } + + ret = nxpwifi_set_mgmt_ies(priv, data); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "%s: setting mgmt ies failed\n", __func__); + + return ret; +} + +/* cfg80211 operation handler for change_beacon. + * Function retrieves and sets modified management IEs to FW. + */ +static int nxpwifi_cfg80211_change_beacon(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_ap_update *params) +{ + return nxpwifi_cfg80211_change_beacon_data(wiphy, dev, ¶ms->beacon); +} + +/* 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 +nxpwifi_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, + struct station_del_parameters *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_sta_node *sta_node; + u8 deauth_mac[ETH_ALEN]; + int ret = 0; + + if (!priv->bss_started && priv->wdev.links[0].cac_started) { + nxpwifi_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); + nxpwifi_abort_cac(priv); + } + + if (list_empty(&priv->sta_list) || !priv->bss_started) + return 0; + + if (!params->mac || is_broadcast_ether_addr(params->mac)) + return 0; + + nxpwifi_dbg(priv->adapter, INFO, "%s: mac address %pM\n", + __func__, params->mac); + + eth_zero_addr(deauth_mac); + + spin_lock_bh(&priv->sta_list_spinlock); + sta_node = nxpwifi_get_sta_entry(priv, params->mac); + if (sta_node) + ether_addr_copy(deauth_mac, params->mac); + spin_unlock_bh(&priv->sta_list_spinlock); + + if (is_valid_ether_addr(deauth_mac)) + ret = nxpwifi_send_cmd(priv, HOST_CMD_UAP_STA_DEAUTH, + HOST_ACT_GEN_SET, 0, + deauth_mac, true); + + return ret; +} + +static int +nxpwifi_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, + NXPWIFI_BSS_ROLE_ANY); + struct nxpwifi_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 nl80211_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 = + NXPWIFI_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 = + NXPWIFI_11AC_MCS_MAP_2X2; + } + + for (band = 0; band < NUM_NL80211_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 nxpwifi_send_cmd(priv, HOST_CMD_RF_ANTENNA, + HOST_ACT_GEN_SET, 0, &ant_cfg, true); +} + +static int +nxpwifi_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv = nxpwifi_get_priv(adapter, + NXPWIFI_BSS_ROLE_ANY); + int ret; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_RF_ANTENNA, + HOST_ACT_GEN_GET, 0, NULL, true); + + if (!ret) { + *tx_ant = priv->tx_ant; + *rx_ant = priv->rx_ant; + } + + return ret; +} + +/* cfg80211 operation handler for stop ap. + * Function stops BSS running at uAP interface. + */ +static int nxpwifi_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, + unsigned int link_id) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int ret; + + nxpwifi_abort_cac(priv); + + if (nxpwifi_del_mgmt_ies(priv)) + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to delete mgmt IEs!\n"); + + priv->ap_11n_enabled = 0; + memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); + + ret = nxpwifi_send_cmd(priv, HOST_CMD_UAP_BSS_STOP, + HOST_ACT_GEN_SET, 0, NULL, true); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to stop the BSS\n"); + goto done; + } + + ret = nxpwifi_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, + HOST_ACT_GEN_SET, 0, NULL, true); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to reset BSS\n"); + goto done; + } + + netif_carrier_off(priv->netdev); + nxpwifi_stop_net_dev_queue(priv->netdev, priv->adapter); + +done: + return ret; +} + +/* 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 nxpwifi_cfg80211_start_ap(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_ap_settings *params) +{ + struct nxpwifi_uap_bss_param *bss_cfg; + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + + if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) + return -EINVAL; + + if (!nxpwifi_is_channel_setting_allowable(priv, params->chandef.chan)) + return -EOPNOTSUPP; + + bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); + if (!bss_cfg) + return -ENOMEM; + + nxpwifi_set_sys_config_invalid_data(bss_cfg); + + memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN); + + 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: + bss_cfg->bcast_ssid_ctl = 2; + break; + default: + kfree(bss_cfg); + return -EINVAL; + } + + nxpwifi_uap_set_channel(priv, bss_cfg, params->chandef); + nxpwifi_set_uap_rates(bss_cfg, params); + + ret = nxpwifi_set_secure_params(priv, bss_cfg, params); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "Failed to parse security parameters!\n"); + goto done; + } + + nxpwifi_set_ht_params(priv, bss_cfg, params); + + if (adapter->is_hw_11ac_capable) { + nxpwifi_set_vht_params(priv, bss_cfg, params); + nxpwifi_set_vht_width(priv, params->chandef.width, + priv->ap_11ac_enabled); + } + + if (priv->ap_11ac_enabled) + nxpwifi_set_11ac_ba_params(priv); + else + nxpwifi_set_ba_params(priv); + + if (adapter->is_hw_11ax_capable) { + priv->ap_11ax_enabled = + nxpwifi_check_11ax_capability(priv, bss_cfg, params); + if (priv->ap_11ax_enabled) + nxpwifi_set_11ax_status(priv, bss_cfg, params); + } + + nxpwifi_set_wmm_params(priv, bss_cfg, params); + + if (nxpwifi_is_11h_active(priv)) + nxpwifi_set_tpc_params(priv, bss_cfg, params); + + if (nxpwifi_is_11h_active(priv) && + !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, + priv->bss_mode)) { + nxpwifi_dbg(priv->adapter, INFO, + "Disable 11h extensions in FW\n"); + ret = nxpwifi_11h_activate(priv, false); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to disable 11h extensions!!"); + goto done; + } + priv->state_11h.is_11h_active = false; + } + + nxpwifi_config_uap_11d(priv, ¶ms->beacon); + + ret = nxpwifi_config_start_uap(priv, bss_cfg); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to start AP\n"); + goto done; + } + + ret = nxpwifi_set_mgmt_ies(priv, ¶ms->beacon); + if (ret) + goto done; + + netif_carrier_on(priv->netdev); + nxpwifi_wake_up_net_dev_queue(priv->netdev, priv->adapter); + + memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); + +done: + kfree(bss_cfg); + return ret; +} + +/* 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 +nxpwifi_cfg80211_scan(struct wiphy *wiphy, + struct cfg80211_scan_request *request) +{ + struct net_device *dev = request->wdev->netdev; + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int i, offset, ret; + struct ieee80211_channel *chan; + struct element *ie; + struct nxpwifi_user_scan_cfg *user_scan_cfg; + u8 mac_addr[ETH_ALEN]; + + nxpwifi_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) { + nxpwifi_dbg(priv->adapter, WARN, + "cmd: Scan already in process..\n"); + return -EBUSY; + } + + if (!priv->wdev.connected && priv->scan_block) + priv->scan_block = false; + + if (!nxpwifi_stop_bg_scan(priv)) + cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); + + user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); + if (!user_scan_cfg) + return -ENOMEM; + + priv->scan_request = request; + + if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { + get_random_mask_addr(mac_addr, request->mac_addr, + request->mac_addr_mask); + ether_addr_copy(request->mac_addr, mac_addr); + ether_addr_copy(user_scan_cfg->random_mac, mac_addr); + } + + 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 < NXPWIFI_MAX_VSIE_NUM; i++) { + if (priv->vs_ie[i].mask != NXPWIFI_VSIE_MASK_CLEAR) + continue; + priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_SCAN; + ie = (struct element *)(request->ie + offset); + memcpy(&priv->vs_ie[i].ie, ie, + sizeof(*ie) + ie->datalen); + offset += sizeof(*ie) + ie->datalen; + + if (offset >= request->ie_len) + break; + } + } + + for (i = 0; i < min_t(u32, request->n_channels, + NXPWIFI_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 = + NXPWIFI_SCAN_TYPE_PASSIVE; + else + user_scan_cfg->chan_list[i].scan_type = + NXPWIFI_SCAN_TYPE_ACTIVE; + + user_scan_cfg->chan_list[i].scan_time = 0; + } + + if (priv->adapter->scan_chan_gap_enabled && + nxpwifi_is_any_intf_active(priv)) + user_scan_cfg->scan_chan_gap = + priv->adapter->scan_chan_gap_time; + + ret = nxpwifi_scan_networks(priv, user_scan_cfg); + kfree(user_scan_cfg); + if (ret) { + nxpwifi_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 < NXPWIFI_MAX_VSIE_NUM; i++) { + if (priv->vs_ie[i].mask == NXPWIFI_VSIE_MASK_SCAN) { + priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_CLEAR; + memset(&priv->vs_ie[i].ie, 0, + NXPWIFI_MAX_VSIE_LEN); + } + } + } + return 0; +} + +/* CFG802.11 operation handler for sched_scan_start. + * + * This function issues a bgscan config request to the firmware based upon + * the user specified sched_scan configuration. On successful completion, + * firmware will generate BGSCAN_REPORT event, driver should issue bgscan + * query command to get sched_scan results from firmware. + */ +static int +nxpwifi_cfg80211_sched_scan_start(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_sched_scan_request *request) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int i, offset; + struct ieee80211_channel *chan; + struct nxpwifi_bg_scan_cfg *bgscan_cfg; + struct element *ie; + int ret; + + if (!request || (!request->n_ssids && !request->n_match_sets)) { + wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", + __func__); + return -EINVAL; + } + + wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", + request->n_ssids, request->n_match_sets); + wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", + request->n_channels, request->scan_plans->interval, + (int)request->ie_len); + + bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); + if (!bgscan_cfg) + return -ENOMEM; + + if (priv->scan_request || priv->scan_aborting) + bgscan_cfg->start_later = true; + + bgscan_cfg->num_ssids = request->n_match_sets; + bgscan_cfg->ssid_list = request->match_sets; + + if (request->ie && request->ie_len) { + offset = 0; + for (i = 0; i < NXPWIFI_MAX_VSIE_NUM; i++) { + if (priv->vs_ie[i].mask != NXPWIFI_VSIE_MASK_CLEAR) + continue; + priv->vs_ie[i].mask = NXPWIFI_VSIE_MASK_BGSCAN; + ie = (struct element *)(request->ie + offset); + memcpy(&priv->vs_ie[i].ie, ie, + sizeof(*ie) + ie->datalen); + offset += sizeof(*ie) + ie->datalen; + + if (offset >= request->ie_len) + break; + } + } + + for (i = 0; i < min_t(u32, request->n_channels, + NXPWIFI_BG_SCAN_CHAN_MAX); i++) { + chan = request->channels[i]; + bgscan_cfg->chan_list[i].chan_number = chan->hw_value; + bgscan_cfg->chan_list[i].radio_type = chan->band; + + if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) + bgscan_cfg->chan_list[i].scan_type = + NXPWIFI_SCAN_TYPE_PASSIVE; + else + bgscan_cfg->chan_list[i].scan_type = + NXPWIFI_SCAN_TYPE_ACTIVE; + + bgscan_cfg->chan_list[i].scan_time = 0; + } + + bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, + NXPWIFI_BG_SCAN_CHAN_MAX); + + /* Use at least 15 second for per scan cycle */ + bgscan_cfg->scan_interval = (request->scan_plans->interval > + NXPWIFI_BGSCAN_INTERVAL) ? + request->scan_plans->interval : + NXPWIFI_BGSCAN_INTERVAL; + + bgscan_cfg->repeat_count = NXPWIFI_BGSCAN_REPEAT_COUNT; + bgscan_cfg->report_condition = NXPWIFI_BGSCAN_SSID_MATCH | + NXPWIFI_BGSCAN_WAIT_ALL_CHAN_DONE; + bgscan_cfg->bss_type = NXPWIFI_BSS_MODE_INFRA; + bgscan_cfg->action = NXPWIFI_BGSCAN_ACT_SET; + bgscan_cfg->enable = true; + if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { + bgscan_cfg->report_condition |= NXPWIFI_BGSCAN_SSID_RSSI_MATCH; + bgscan_cfg->rssi_threshold = request->min_rssi_thold; + } + + ret = nxpwifi_send_cmd(priv, HOST_CMD_802_11_BG_SCAN_CONFIG, + HOST_ACT_GEN_SET, 0, bgscan_cfg, true); + + if (!ret) + priv->sched_scanning = true; + + kfree(bgscan_cfg); + return ret; +} + +/* CFG802.11 operation handler for sched_scan_stop. + * + * This function issues a bgscan config command to disable + * previous bgscan configuration in the firmware + */ +static int nxpwifi_cfg80211_sched_scan_stop(struct wiphy *wiphy, + struct net_device *dev, u64 reqid) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + + wiphy_info(wiphy, "sched scan stop!"); + return nxpwifi_stop_bg_scan(priv); +} + +/* 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 +nxpwifi_setup_ht_caps(struct nxpwifi_private *priv, + struct ieee80211_sta_ht_cap *ht_info) +{ + int rx_mcs_supp; + struct ieee80211_mcs_info mcs_set; + u8 *mcs = (u8 *)&mcs_set; + struct nxpwifi_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 |= 2 << 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; +} + +static void +nxpwifi_setup_vht_caps(struct nxpwifi_private *priv, + struct ieee80211_sta_vht_cap *vht_info) +{ + struct nxpwifi_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; +} + +/* =============== + * 11AX CAP for uAP + * =============== + * Note: bits not mentioned below are set to 0. + * + * 5G + * === + * HE MAC Cap: + * Bit0: 1 (+HTC HE Support) + * Bit25: 1 (OM Control Support. But uAP does not support + * Tx OM received from the STA, as it does not support UL OFDMA) + * + * HE PHY Cap: + * Bit1-7: 0x2 (Supported Channel Width Set. + * Note it would be changed after 80+80 MHz is supported) + * Bit8-11: 0x3 (Punctured Preamble Rx. + * Note: it would be changed after 80+80 MHz is supported) + * Bit12: 0x0 (Device Class) + * Bit13: 0x1 (LDPC coding in Payload) + * Bit17: 0x1 (NDP with 4xHE-LTF+3.2usGI) + * Bit18: 0x1 (STBC Tx <= 80 MHz) + * Bit19: 0x1 (STBC Rx <= 80 MHz) + * Bit20: 0x1 (Doppler Tx) + * Bit21: 0x1 (Doppler Rx) + * Bit24-25: 0x1 (DCM Max Constellation Tx) + * Bit27-28: 0x1 (DCM Max Constellation Rx) + * Bit31: 0x1 (SU Beamformer) + * Bit32: 0x1 (SU BeamFormee) + * Bit34-36: 0x7 (Beamformee STS <= 80 MHz) + * Bit40-42: 0x1 (Number of Sounding Dimentions <= 80 MHz) + * Bit53: 0x1 (Partial Bandwidth Extended Range) + * Bit55: 0x1 (PPE Threshold Present. + * Note: PPE threshold may have some changes later) + * Bit58: 0x1 (HE SU PPDU and HE MU PPDU with 4xHE-LTF+0.8usGI) + * Bit59-61: 0x1 (Max Nc) + * Bit75: 0x1 (Rx 1024-QAM Support < 242-tone RU) + */ + +#define UAP_HE_MAC_CAP0_MASK 0x06 +#define UAP_HE_MAC_CAP1_MASK 0x00 +#define UAP_HE_MAC_CAP2_MASK 0x10 +#define UAP_HE_MAC_CAP3_MASK 0x02 +#define UAP_HE_MAC_CAP4_MASK 0x00 +#define UAP_HE_MAC_CAP5_MASK 0x00 +#define UAP_HE_PHY_CAP0_MASK 0x04 +#define UAP_HE_PHY_CAP1_MASK 0x23 +#define UAP_HE_PHY_CAP2_MASK 0x3E +#define UAP_HE_PHY_CAP3_MASK 0x89 +#define UAP_HE_PHY_CAP4_MASK 0x1D +#define UAP_HE_PHY_CAP5_MASK 0x01 +#define UAP_HE_PHY_CAP6_MASK 0xA0 +#define UAP_HE_PHY_CAP7_MASK 0x0C +#define UAP_HE_PHY_CAP8_MASK 0x00 +#define UAP_HE_PHY_CAP9_MASK 0x08 +#define UAP_HE_PHY_CAP10_MASK 0x00 + +/* 2G + * === + * HE MAC Cap: + * Bit0: 1 (+HTC HE Support) + * Bit25: 1 (OM Control Support. Note: uAP does not support + * Tx OM received from the STA, as it does not support UL OFDMA) + * + * HE PHY Cap: + * Bit1-7: 0x1 (Supported Channel Width Set) + * Bit8-11: 0x0 (Punctured Preamble Rx) + * Bit12: 0x0 (Device Class) + * Bit13: 0x1 (LDPC coding in Payload) + * Bit17: 0x1 (NDP with 4xLTF+3.2usGI) + * Bit18: 0x1 (STBC Tx <= 80 MHz) + * Bit19: 0x1 (STBC Rx <= 80 MHz) + * Bit20: 0x1 (Doppler Tx) + * Bit21: 0x1 (Doppler Rx) + * Bit24-25: 0x1 (DCM Max Constellation Tx) + * Bit27-28: 0x1 (DCM Max Constellation Rx) + * Bit31: 0x1 (SU Beamformer) + * Bit32: 0x1 (SU BeamFormee) + * Bit34-36: 0x7 (Beamformee STS <= 80 MHz) + * Bit40-42: 0x1 (Number of Sounding Dimentions <= 80 MHz) + * Bit53: 0x1 (Partial Bandwidth Extended Range) + * Bit55: 0x1 (PPE Threshold Present. + * Note: PPE threshold may have some changes later) + * Bit58: 0x1 (HE SU PPDU and HE MU PPDU with 4xHE-LTF+0.8usGI) + * Bit59-61: 0x1 (Max Nc) + * Bit75: 0x1 (Rx 1024-QAM Support < 242-tone RU) + */ +#define UAP_HE_2G_MAC_CAP0_MASK 0x00 +#define UAP_HE_2G_MAC_CAP1_MASK 0x00 +#define UAP_HE_2G_MAC_CAP2_MASK 0x00 +#define UAP_HE_2G_MAC_CAP3_MASK 0x02 +#define UAP_HE_2G_MAC_CAP4_MASK 0x00 +#define UAP_HE_2G_MAC_CAP5_MASK 0x00 +#define UAP_HE_2G_PHY_CAP0_MASK 0x02 +#define UAP_HE_2G_PHY_CAP1_MASK 0x20 +#define UAP_HE_2G_PHY_CAP2_MASK 0x3E +#define UAP_HE_2G_PHY_CAP3_MASK 0x89 +#define UAP_HE_2G_PHY_CAP4_MASK 0x1D +#define UAP_HE_2G_PHY_CAP5_MASK 0x01 +#define UAP_HE_2G_PHY_CAP6_MASK 0xA0 +#define UAP_HE_2G_PHY_CAP7_MASK 0x0C +#define UAP_HE_2G_PHY_CAP8_MASK 0x00 +#define UAP_HE_2G_PHY_CAP9_MASK 0x08 +#define UAP_HE_2G_PHY_CAP10_MASK 0x00 + +#define HE_CAP_FIX_SIZE 22 + +static void +nxpwifi_update_11ax_ie(u8 band, + struct nxpwifi_11ax_he_cap_cfg *he_cap_cfg) +{ + if (band == BAND_A) { + he_cap_cfg->cap_elem.mac_cap_info[0] &= UAP_HE_MAC_CAP0_MASK; + he_cap_cfg->cap_elem.mac_cap_info[1] &= UAP_HE_MAC_CAP1_MASK; + he_cap_cfg->cap_elem.mac_cap_info[2] &= UAP_HE_MAC_CAP2_MASK; + he_cap_cfg->cap_elem.mac_cap_info[3] &= UAP_HE_MAC_CAP3_MASK; + he_cap_cfg->cap_elem.mac_cap_info[4] &= UAP_HE_MAC_CAP4_MASK; + he_cap_cfg->cap_elem.mac_cap_info[5] &= UAP_HE_MAC_CAP5_MASK; + he_cap_cfg->cap_elem.phy_cap_info[0] &= UAP_HE_PHY_CAP0_MASK; + he_cap_cfg->cap_elem.phy_cap_info[1] &= UAP_HE_PHY_CAP1_MASK; + he_cap_cfg->cap_elem.phy_cap_info[2] &= UAP_HE_PHY_CAP2_MASK; + he_cap_cfg->cap_elem.phy_cap_info[3] &= UAP_HE_PHY_CAP3_MASK; + he_cap_cfg->cap_elem.phy_cap_info[4] &= UAP_HE_PHY_CAP4_MASK; + he_cap_cfg->cap_elem.phy_cap_info[5] &= UAP_HE_PHY_CAP5_MASK; + he_cap_cfg->cap_elem.phy_cap_info[6] &= UAP_HE_PHY_CAP6_MASK; + he_cap_cfg->cap_elem.phy_cap_info[7] &= UAP_HE_PHY_CAP7_MASK; + he_cap_cfg->cap_elem.phy_cap_info[8] &= UAP_HE_PHY_CAP8_MASK; + he_cap_cfg->cap_elem.phy_cap_info[9] &= UAP_HE_PHY_CAP9_MASK; + he_cap_cfg->cap_elem.phy_cap_info[10] &= UAP_HE_PHY_CAP10_MASK; + } else { + he_cap_cfg->cap_elem.mac_cap_info[0] &= UAP_HE_2G_MAC_CAP0_MASK; + he_cap_cfg->cap_elem.mac_cap_info[1] &= UAP_HE_2G_MAC_CAP1_MASK; + he_cap_cfg->cap_elem.mac_cap_info[2] &= UAP_HE_2G_MAC_CAP2_MASK; + he_cap_cfg->cap_elem.mac_cap_info[3] &= UAP_HE_2G_MAC_CAP3_MASK; + he_cap_cfg->cap_elem.mac_cap_info[4] &= UAP_HE_2G_MAC_CAP4_MASK; + he_cap_cfg->cap_elem.mac_cap_info[5] &= UAP_HE_2G_MAC_CAP5_MASK; + he_cap_cfg->cap_elem.phy_cap_info[0] &= UAP_HE_2G_PHY_CAP0_MASK; + he_cap_cfg->cap_elem.phy_cap_info[1] &= UAP_HE_2G_PHY_CAP1_MASK; + he_cap_cfg->cap_elem.phy_cap_info[2] &= UAP_HE_2G_PHY_CAP2_MASK; + he_cap_cfg->cap_elem.phy_cap_info[3] &= UAP_HE_2G_PHY_CAP3_MASK; + he_cap_cfg->cap_elem.phy_cap_info[4] &= UAP_HE_2G_PHY_CAP4_MASK; + he_cap_cfg->cap_elem.phy_cap_info[5] &= UAP_HE_2G_PHY_CAP5_MASK; + he_cap_cfg->cap_elem.phy_cap_info[6] &= UAP_HE_2G_PHY_CAP6_MASK; + he_cap_cfg->cap_elem.phy_cap_info[7] &= UAP_HE_2G_PHY_CAP7_MASK; + he_cap_cfg->cap_elem.phy_cap_info[8] &= UAP_HE_2G_PHY_CAP8_MASK; + he_cap_cfg->cap_elem.phy_cap_info[9] &= UAP_HE_2G_PHY_CAP9_MASK; + he_cap_cfg->cap_elem.phy_cap_info[10] &= UAP_HE_2G_PHY_CAP10_MASK; + } +} + +static void +nxpwifi_setup_he_caps(struct nxpwifi_private *priv, + struct ieee80211_supported_band *band) +{ + struct nxpwifi_adapter *adapter = priv->adapter; + struct ieee80211_sband_iftype_data *iftype_data; + struct nxpwifi_11ax_he_cap_cfg he_cap_cfg; + u8 hw_he_cap_len; + u8 extra_mcs_size; + int ppe_threshold_len; + + if (band->band == NL80211_BAND_5GHZ) { + hw_he_cap_len = adapter->hw_he_cap_len; + memcpy(&he_cap_cfg, adapter->hw_he_cap, hw_he_cap_len); + nxpwifi_update_11ax_ie(BAND_A, &he_cap_cfg); + } else { + hw_he_cap_len = adapter->hw_2g_he_cap_len; + memcpy(&he_cap_cfg, adapter->hw_2g_he_cap, hw_he_cap_len); + nxpwifi_update_11ax_ie(BAND_G, &he_cap_cfg); + } + + if (!hw_he_cap_len) + return; + + iftype_data = kmalloc(sizeof(*iftype_data), GFP_KERNEL); + if (!iftype_data) + return; + memset(iftype_data, 0, sizeof(*iftype_data)); + + iftype_data->types_mask = + BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); + iftype_data->he_cap.has_he = true; + + memcpy(iftype_data->he_cap.he_cap_elem.mac_cap_info, + he_cap_cfg.cap_elem.mac_cap_info, + sizeof(he_cap_cfg.cap_elem.mac_cap_info)); + memcpy(iftype_data->he_cap.he_cap_elem.phy_cap_info, + he_cap_cfg.cap_elem.phy_cap_info, + sizeof(he_cap_cfg.cap_elem.phy_cap_info)); + memset(&iftype_data->he_cap.he_mcs_nss_supp, + 0xff, + sizeof(iftype_data->he_cap.he_mcs_nss_supp)); + memcpy(&iftype_data->he_cap.he_mcs_nss_supp, + he_cap_cfg.he_txrx_mcs_support, + sizeof(he_cap_cfg.he_txrx_mcs_support)); + + extra_mcs_size = 0; + /* Support 160Mhz */ + if (he_cap_cfg.cap_elem.phy_cap_info[0] & BIT(3)) + extra_mcs_size += 4; + /* Support 80+80 */ + if (he_cap_cfg.cap_elem.phy_cap_info[0] & BIT(4)) + extra_mcs_size += 4; + if (extra_mcs_size) + memcpy((u8 *)&iftype_data->he_cap.he_mcs_nss_supp.rx_mcs_160, + he_cap_cfg.val, extra_mcs_size); + + /* Support PPE threshold */ + ppe_threshold_len = he_cap_cfg.len - HE_CAP_FIX_SIZE - extra_mcs_size; + if (he_cap_cfg.cap_elem.phy_cap_info[6] & BIT(7) && ppe_threshold_len) { + memcpy(iftype_data->he_cap.ppe_thres, + &he_cap_cfg.val[extra_mcs_size], + ppe_threshold_len); + } else { + iftype_data->he_cap.he_cap_elem.phy_cap_info[6] &= BIT(7); + } + + band->n_iftype_data = 1; + band->iftype_data = iftype_data; +} + +/* create a new virtual interface with the given name and name assign type + */ +struct wireless_dev *nxpwifi_add_virtual_intf(struct wiphy *wiphy, + const char *name, + unsigned char name_assign_type, + enum nl80211_iftype type, + struct vif_params *params) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct net_device *dev; + void *mdev_priv; + int ret; + + if (!adapter) + return ERR_PTR(-EFAULT); + + switch (type) { + case NL80211_IFTYPE_UNSPECIFIED: + case NL80211_IFTYPE_STATION: + if (adapter->curr_iface_comb.sta_intf == + adapter->iface_limit.sta_intf) { + nxpwifi_dbg(adapter, ERROR, + "cannot create multiple sta ifaces\n"); + return ERR_PTR(-EINVAL); + } + + priv = nxpwifi_get_unused_priv_by_bss_type + (adapter, NXPWIFI_BSS_TYPE_STA); + if (!priv) { + nxpwifi_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 = NXPWIFI_BSS_TYPE_STA; + priv->frame_type = NXPWIFI_DATA_FRAME_TYPE_ETH_II; + priv->bss_priority = 0; + priv->bss_role = NXPWIFI_BSS_ROLE_STA; + + break; + case NL80211_IFTYPE_AP: + if (adapter->curr_iface_comb.uap_intf == + adapter->iface_limit.uap_intf) { + nxpwifi_dbg(adapter, ERROR, + "cannot create multiple AP ifaces\n"); + return ERR_PTR(-EINVAL); + } + + priv = nxpwifi_get_unused_priv_by_bss_type + (adapter, NXPWIFI_BSS_TYPE_UAP); + if (!priv) { + nxpwifi_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 = NXPWIFI_BSS_TYPE_UAP; + priv->frame_type = NXPWIFI_DATA_FRAME_TYPE_ETH_II; + priv->bss_priority = 0; + priv->bss_role = NXPWIFI_BSS_ROLE_UAP; + priv->bss_started = 0; + priv->bss_mode = type; + + break; + default: + nxpwifi_dbg(adapter, ERROR, "type not supported\n"); + return ERR_PTR(-EINVAL); + } + + dev = alloc_netdev_mqs(sizeof(struct nxpwifi_private *), name, + name_assign_type, ether_setup, + IEEE80211_NUM_ACS, 1); + if (!dev) { + nxpwifi_dbg(adapter, ERROR, + "no memory available for netdevice\n"); + ret = -ENOMEM; + goto err_alloc_netdev; + } + + nxpwifi_init_priv_params(priv, dev); + + priv->netdev = dev; + + nxpwifi_set_mac_address(priv, dev, false, NULL); + + ret = nxpwifi_send_cmd(priv, HOST_CMD_SET_BSS_MODE, + HOST_ACT_GEN_SET, 0, NULL, true); + if (ret) + goto err_set_bss_mode; + + ret = nxpwifi_sta_init_cmd(priv, false, false); + if (ret) + goto err_sta_init; + + dev_net_set(dev, wiphy_net(wiphy)); + dev->ieee80211_ptr = &priv->wdev; + dev->ieee80211_ptr->iftype = priv->bss_mode; + SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); + + dev->flags |= IFF_BROADCAST | IFF_MULTICAST; + dev->watchdog_timeo = NXPWIFI_DEFAULT_WATCHDOG_TIMEOUT; + dev->needed_headroom = NXPWIFI_MIN_DATA_HEADER_LEN; + dev->ethtool_ops = &nxpwifi_ethtool_ops; + + mdev_priv = netdev_priv(dev); + *((unsigned long *)mdev_priv) = (unsigned long)priv; + + SET_NETDEV_DEV(dev, adapter->dev); + + INIT_DELAYED_WORK(&priv->dfs_cac_work, nxpwifi_dfs_cac_work); + + INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, nxpwifi_dfs_chan_sw_work); + + /* Register network device */ + if (cfg80211_register_netdevice(dev)) { + nxpwifi_dbg(adapter, ERROR, "cannot register network device\n"); + ret = -EFAULT; + goto err_reg_netdev; + } + + nxpwifi_dbg(adapter, INFO, + "info: %s: NXP 802.11 Adapter\n", dev->name); + +#ifdef CONFIG_DEBUG_FS + nxpwifi_dev_debugfs_init(priv); +#endif + + update_vif_type_counter(adapter, type, 1); + + return &priv->wdev; + +err_reg_netdev: + free_netdev(dev); + priv->netdev = NULL; +err_sta_init: +err_set_bss_mode: +err_alloc_netdev: + memset(&priv->wdev, 0, sizeof(priv->wdev)); + priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + return ERR_PTR(ret); +} +EXPORT_SYMBOL_GPL(nxpwifi_add_virtual_intf); + +/* del_virtual_intf: remove the virtual interface determined by dev + */ +int nxpwifi_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_adapter *adapter = priv->adapter; + struct sk_buff *skb, *tmp; + +#ifdef CONFIG_DEBUG_FS + nxpwifi_dev_debugfs_remove(priv); +#endif + + if (priv->sched_scanning) + priv->sched_scanning = false; + + nxpwifi_stop_net_dev_queue(priv->netdev, adapter); + + skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { + skb_unlink(skb, &priv->bypass_txq); + nxpwifi_write_data_complete(priv->adapter, skb, 0, -1); + } + + netif_carrier_off(priv->netdev); + + if (wdev->netdev->reg_state == NETREG_REGISTERED) + cfg80211_unregister_netdevice(wdev->netdev); + + /* Clear the priv in adapter */ + priv->netdev = NULL; + + update_vif_type_counter(adapter, priv->bss_mode, -1); + + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA || + GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) + kfree(priv->hist_data); + + return 0; +} +EXPORT_SYMBOL_GPL(nxpwifi_del_virtual_intf); + +static bool +nxpwifi_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; + } + + /* wildcard bytes record as the offset + * before the valid byte + */ + if (!valid_byte_cnt && !dont_care_byte) + pat->pkt_offset++; + + if (valid_byte_cnt > max_byte_seq) + return false; + } + } + + byte_seq[max_byte_seq] = valid_byte_cnt; + + return true; +} + +#ifdef CONFIG_PM +static void nxpwifi_set_auto_arp_mef_entry(struct nxpwifi_private *priv, + struct nxpwifi_mef_entry *mef_entry) +{ + int i, filt_num = 0, num_ipv4 = 0; + struct in_device *in_dev; + struct in_ifaddr *ifa; + __be32 ips[NXPWIFI_MAX_SUPPORTED_IPADDR]; + struct nxpwifi_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 < adapter->priv_num; i++) { + if (adapter->priv[i]->netdev) { + in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); + if (!in_dev) + continue; + ifa = rtnl_dereference(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[NXPWIFI_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[NXPWIFI_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 nxpwifi_set_wowlan_mef_entry(struct nxpwifi_private *priv, + struct nxpwifi_ds_mef_cfg *mef_cfg, + struct nxpwifi_mef_entry *mef_entry, + struct cfg80211_wowlan *wowlan) +{ + int i, filt_num = 0, ret = 0; + bool first_pat = true; + u8 byte_seq[NXPWIFI_MEF_MAX_BYTESEQ + 1]; + static const u8 ipv4_mc_mac[] = {0x33, 0x33}; + static 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 (!nxpwifi_is_pattern_supported + (&wowlan->patterns[i], byte_seq, + NXPWIFI_MEF_MAX_BYTESEQ)) { + nxpwifi_dbg(priv->adapter, ERROR, + "Pattern not supported\n"); + return -EOPNOTSUPP; + } + + if (!wowlan->patterns[i].pkt_offset) { + if (is_unicast_ether_addr(byte_seq) && + byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 1) { + mef_cfg->criteria |= NXPWIFI_CRITERIA_UNICAST; + continue; + } else if (is_broadcast_ether_addr(byte_seq)) { + mef_cfg->criteria |= NXPWIFI_CRITERIA_BROADCAST; + continue; + } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && + (byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 2)) || + (!memcmp(byte_seq, ipv6_mc_mac, 3) && + (byte_seq[NXPWIFI_MEF_MAX_BYTESEQ] == 3))) { + mef_cfg->criteria |= NXPWIFI_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; + nxpwifi_dbg(priv->adapter, INFO, "Wake on patterns\n"); + } else { + mef_entry->filter[filt_num].filt_action = TYPE_AND; + } + + filt_num++; + } + + if (wowlan->magic_pkt) { + mef_cfg->criteria |= NXPWIFI_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[NXPWIFI_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[NXPWIFI_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; + nxpwifi_dbg(priv->adapter, INFO, "Wake on magic packet\n"); + } + return ret; +} + +static int nxpwifi_set_mef_filter(struct nxpwifi_private *priv, + struct cfg80211_wowlan *wowlan) +{ + int ret = 0, num_entries = 1; + struct nxpwifi_ds_mef_cfg mef_cfg; + struct nxpwifi_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 |= NXPWIFI_CRITERIA_BROADCAST | + NXPWIFI_CRITERIA_UNICAST; + mef_cfg.num_entries = num_entries; + mef_cfg.mef_entry = mef_entry; + + nxpwifi_set_auto_arp_mef_entry(priv, &mef_entry[0]); + + if (wowlan->n_patterns || wowlan->magic_pkt) { + ret = nxpwifi_set_wowlan_mef_entry(priv, &mef_cfg, + &mef_entry[1], wowlan); + if (ret) + goto done; + } + + if (!mef_cfg.criteria) + mef_cfg.criteria = NXPWIFI_CRITERIA_BROADCAST | + NXPWIFI_CRITERIA_UNICAST | + NXPWIFI_CRITERIA_MULTICAST; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_MEF_CFG, HOST_ACT_GEN_SET, 0, + &mef_cfg, true); + +done: + kfree(mef_entry); + return ret; +} + +static int nxpwifi_cfg80211_suspend(struct wiphy *wiphy, + struct cfg80211_wowlan *wowlan) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_ds_hs_cfg hs_cfg; + int i, ret = 0, retry_num = 10; + struct nxpwifi_private *priv; + struct nxpwifi_private *sta_priv = + nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + + sta_priv->scan_aborting = true; + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + nxpwifi_abort_cac(priv); + } + + nxpwifi_cancel_all_pending_cmd(adapter); + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (priv->netdev) + netif_device_detach(priv->netdev); + } + + for (i = 0; i < retry_num; i++) { + if (!nxpwifi_wmm_lists_empty(adapter) || + !nxpwifi_bypass_txlist_empty(adapter) || + !skb_queue_empty(&adapter->tx_data_q)) + usleep_range(10000, 15000); + else + break; + } + + if (!wowlan) { + nxpwifi_dbg(adapter, INFO, + "None of the WOWLAN triggers enabled\n"); + ret = 0; + goto done; + } + + if (!sta_priv->media_connected && !wowlan->nd_config) { + nxpwifi_dbg(adapter, ERROR, + "Can not configure WOWLAN in disconnected state\n"); + ret = 0; + goto done; + } + + ret = nxpwifi_set_mef_filter(sta_priv, wowlan); + if (ret) { + nxpwifi_dbg(adapter, ERROR, "Failed to set MEF filter\n"); + goto done; + } + + memset(&hs_cfg, 0, sizeof(hs_cfg)); + hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); + + if (wowlan->nd_config) { + nxpwifi_dbg(adapter, INFO, "Wake on net detect\n"); + hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; + nxpwifi_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, + wowlan->nd_config); + } + + if (wowlan->disconnect) { + hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; + nxpwifi_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); + } + + hs_cfg.is_invoke_hostcmd = false; + hs_cfg.gpio = adapter->hs_cfg.gpio; + hs_cfg.gap = adapter->hs_cfg.gap; + ret = nxpwifi_set_hs_params(sta_priv, HOST_ACT_GEN_SET, + NXPWIFI_SYNC_CMD, &hs_cfg); + if (ret) + nxpwifi_dbg(adapter, ERROR, "Failed to set HS params\n"); + +done: + sta_priv->scan_aborting = false; + return ret; +} + +static int nxpwifi_cfg80211_resume(struct wiphy *wiphy) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + struct nxpwifi_private *priv; + struct nxpwifi_ds_wakeup_reason wakeup_reason; + struct cfg80211_wowlan_wakeup wakeup_report; + int i; + bool report_wakeup_reason = true; + + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (priv->netdev) + netif_device_attach(priv->netdev); + } + + if (!wiphy->wowlan_config) + goto done; + + priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + nxpwifi_get_wakeup_reason(priv, HOST_ACT_GEN_GET, NXPWIFI_SYNC_CMD, + &wakeup_reason); + memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); + + wakeup_report.pattern_idx = -1; + + switch (wakeup_reason.hs_wakeup_reason) { + case NO_HSWAKEUP_REASON: + break; + case BCAST_DATA_MATCHED: + break; + case MCAST_DATA_MATCHED: + break; + case UCAST_DATA_MATCHED: + break; + case MASKTABLE_EVENT_MATCHED: + break; + case NON_MASKABLE_EVENT_MATCHED: + if (wiphy->wowlan_config->disconnect) + wakeup_report.disconnect = true; + if (wiphy->wowlan_config->nd_config) + wakeup_report.net_detect = adapter->nd_info; + break; + case NON_MASKABLE_CONDITION_MATCHED: + break; + case MAGIC_PATTERN_MATCHED: + if (wiphy->wowlan_config->magic_pkt) + wakeup_report.magic_pkt = true; + if (wiphy->wowlan_config->n_patterns) + wakeup_report.pattern_idx = 1; + break; + case GTK_REKEY_FAILURE: + if (wiphy->wowlan_config->gtk_rekey_failure) + wakeup_report.gtk_rekey_failure = true; + break; + default: + report_wakeup_reason = false; + break; + } + + if (report_wakeup_reason) + cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, + GFP_KERNEL); + +done: + if (adapter->nd_info) { + for (i = 0 ; i < adapter->nd_info->n_matches ; i++) + kfree(adapter->nd_info->matches[i]); + kfree(adapter->nd_info); + adapter->nd_info = NULL; + } + + return 0; +} + +static void nxpwifi_cfg80211_set_wakeup(struct wiphy *wiphy, + bool enabled) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + + device_set_wakeup_enable(adapter->dev, enabled); +} +#endif + +static int nxpwifi_get_coalesce_pkt_type(u8 *byte_seq) +{ + static const u8 ipv4_mc_mac[] = {0x33, 0x33}; + static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; + static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; + + if ((byte_seq[0] & 0x01) && + byte_seq[NXPWIFI_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[NXPWIFI_COALESCE_MAX_BYTESEQ] == 2) || + (!memcmp(byte_seq, ipv6_mc_mac, 3) && + byte_seq[NXPWIFI_COALESCE_MAX_BYTESEQ] == 3)) + return PACKET_TYPE_MULTICAST; + + return 0; +} + +static int +nxpwifi_fill_coalesce_rule_info(struct nxpwifi_private *priv, + struct cfg80211_coalesce_rules *crule, + struct nxpwifi_coalesce_rule *mrule) +{ + u8 byte_seq[NXPWIFI_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 (!nxpwifi_is_pattern_supported(&crule->patterns[i], + byte_seq, + NXPWIFI_COALESCE_MAX_BYTESEQ)) { + nxpwifi_dbg(priv->adapter, ERROR, + "Pattern not supported\n"); + return -EOPNOTSUPP; + } + + if (!crule->patterns[i].pkt_offset) { + u8 pkt_type; + + pkt_type = nxpwifi_get_coalesce_pkt_type(byte_seq); + if (pkt_type && mrule->pkt_type) { + nxpwifi_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[NXPWIFI_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) { + nxpwifi_dbg(priv->adapter, ERROR, + "Packet type can not be determined\n"); + return -EOPNOTSUPP; + } + + return 0; +} + +static int nxpwifi_cfg80211_set_coalesce(struct wiphy *wiphy, + struct cfg80211_coalesce *coalesce) +{ + struct nxpwifi_adapter *adapter = nxpwifi_cfg80211_get_adapter(wiphy); + int i, ret; + struct nxpwifi_ds_coalesce_cfg coalesce_cfg; + struct nxpwifi_private *priv = + nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA); + + memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); + if (!coalesce) { + nxpwifi_dbg(adapter, WARN, + "Disable coalesce and reset all previous rules\n"); + return nxpwifi_send_cmd(priv, HOST_CMD_COALESCE_CFG, + HOST_ACT_GEN_SET, 0, + &coalesce_cfg, true); + } + + coalesce_cfg.num_of_rules = coalesce->n_rules; + for (i = 0; i < coalesce->n_rules; i++) { + ret = nxpwifi_fill_coalesce_rule_info(priv, &coalesce->rules[i], + &coalesce_cfg.rule[i]); + if (ret) { + nxpwifi_dbg(adapter, ERROR, + "Recheck the patterns provided for rule %d\n", + i + 1); + return ret; + } + } + + return nxpwifi_send_cmd(priv, HOST_CMD_COALESCE_CFG, + HOST_ACT_GEN_SET, 0, &coalesce_cfg, true); +} + +static int +nxpwifi_cfg80211_uap_add_station(struct nxpwifi_private *priv, const u8 *mac, + struct station_parameters *params) +{ + struct nxpwifi_sta_info add_sta; + int ret; + + memcpy(add_sta.peer_mac, mac, ETH_ALEN); + add_sta.params = params; + + ret = nxpwifi_send_cmd(priv, HOST_CMD_ADD_NEW_STATION, + HOST_ACT_ADD_STA, 0, (void *)&add_sta, true); + + if (!ret) { + struct station_info *sinfo = NULL; + + sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL); + + if (sinfo) { + cfg80211_new_sta(priv->netdev, mac, sinfo, GFP_KERNEL); + kfree(sinfo); + } + } + + return ret; +} + +static int +nxpwifi_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, struct station_parameters *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int ret = -EOPNOTSUPP; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) + ret = nxpwifi_cfg80211_uap_add_station(priv, mac, params); + + return ret; +} + +static int +nxpwifi_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_csa_settings *params) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int chsw_msec; + int ret; + + if (priv->adapter->scan_processing) { + nxpwifi_dbg(priv->adapter, ERROR, + "radar detection: scan in process...\n"); + return -EBUSY; + } + + if (priv->wdev.links[0].cac_started) + return -EBUSY; + + if (cfg80211_chandef_identical(¶ms->chandef, + &priv->dfs_chandef)) + return -EINVAL; + + if (params->block_tx) { + netif_carrier_off(priv->netdev); + nxpwifi_stop_net_dev_queue(priv->netdev, priv->adapter); + priv->uap_stop_tx = true; + } + + ret = nxpwifi_del_mgmt_ies(priv); + if (ret) + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to delete mgmt IEs!\n"); + + ret = nxpwifi_set_mgmt_ies(priv, ¶ms->beacon_csa); + if (ret) { + nxpwifi_dbg(priv->adapter, ERROR, + "%s: setting mgmt ies failed\n", __func__); + goto done; + } + + memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); + memcpy(&priv->beacon_after, ¶ms->beacon_after, + sizeof(priv->beacon_after)); + + chsw_msec = max(params->count * priv->bss_cfg.beacon_period, 100); + nxpwifi_queue_delayed_work(priv->adapter, &priv->dfs_chan_sw_work, + msecs_to_jiffies(chsw_msec)); + +done: + return ret; +} + +static int nxpwifi_cfg80211_get_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + unsigned int link_id, + struct cfg80211_chan_def *chandef) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_bssdescriptor *curr_bss; + struct ieee80211_channel *chan; + enum nl80211_channel_type chan_type; + enum nl80211_band band; + int freq; + int ret = -ENODATA; + + if (GET_BSS_ROLE(priv) == NXPWIFI_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 = nxpwifi_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 (priv->ht_param_present) { + chan_type = nxpwifi_get_chan_type(priv); + cfg80211_chandef_create(chandef, chan, chan_type); + } else { + cfg80211_chandef_create(chandef, chan, + NL80211_CHAN_NO_HT); + } + ret = 0; + } + + return ret; +} + +#ifdef CONFIG_NL80211_TESTMODE + +enum nxpwifi_tm_attr { + __NXPWIFI_TM_ATTR_INVALID = 0, + NXPWIFI_TM_ATTR_CMD = 1, + NXPWIFI_TM_ATTR_DATA = 2, + + /* keep last */ + __NXPWIFI_TM_ATTR_AFTER_LAST, + NXPWIFI_TM_ATTR_MAX = __NXPWIFI_TM_ATTR_AFTER_LAST - 1, +}; + +static const struct nla_policy nxpwifi_tm_policy[NXPWIFI_TM_ATTR_MAX + 1] = { + [NXPWIFI_TM_ATTR_CMD] = { .type = NLA_U32 }, + [NXPWIFI_TM_ATTR_DATA] = { .type = NLA_BINARY, + .len = NXPWIFI_SIZE_OF_CMD_BUFFER }, +}; + +enum nxpwifi_tm_command { + NXPWIFI_TM_CMD_HOSTCMD = 0, +}; + +static int nxpwifi_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, + void *data, int len) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(wdev->netdev); + struct nxpwifi_ds_misc_cmd *hostcmd; + struct nlattr *tb[NXPWIFI_TM_ATTR_MAX + 1]; + struct sk_buff *skb; + int err; + + if (!priv) + return -EINVAL; + + err = nla_parse_deprecated(tb, NXPWIFI_TM_ATTR_MAX, data, len, + nxpwifi_tm_policy, NULL); + if (err) + return err; + + if (!tb[NXPWIFI_TM_ATTR_CMD]) + return -EINVAL; + + switch (nla_get_u32(tb[NXPWIFI_TM_ATTR_CMD])) { + case NXPWIFI_TM_CMD_HOSTCMD: + if (!tb[NXPWIFI_TM_ATTR_DATA]) + return -EINVAL; + + hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); + if (!hostcmd) + return -ENOMEM; + + hostcmd->len = nla_len(tb[NXPWIFI_TM_ATTR_DATA]); + memcpy(hostcmd->cmd, nla_data(tb[NXPWIFI_TM_ATTR_DATA]), + hostcmd->len); + + if (nxpwifi_send_cmd(priv, 0, 0, 0, hostcmd, true)) { + dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); + kfree(hostcmd); + return -EFAULT; + } + + /* process hostcmd response*/ + skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); + if (!skb) { + kfree(hostcmd); + return -ENOMEM; + } + err = nla_put(skb, NXPWIFI_TM_ATTR_DATA, + hostcmd->len, hostcmd->cmd); + if (err) { + kfree(hostcmd); + kfree_skb(skb); + return -EMSGSIZE; + } + + err = cfg80211_testmode_reply(skb); + kfree(hostcmd); + return err; + default: + return -EOPNOTSUPP; + } +} +#endif + +static int +nxpwifi_cfg80211_start_radar_detection(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_chan_def *chandef, + u32 cac_time_ms, int link_id) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_radar_params radar_params; + int ret; + + if (priv->adapter->scan_processing) { + nxpwifi_dbg(priv->adapter, ERROR, + "radar detection: scan already in process...\n"); + return -EBUSY; + } + + if (!nxpwifi_is_11h_active(priv)) { + nxpwifi_dbg(priv->adapter, INFO, + "Enable 11h extensions in FW\n"); + if (nxpwifi_11h_activate(priv, true)) { + nxpwifi_dbg(priv->adapter, ERROR, + "Failed to activate 11h extensions!!"); + return -EPERM; + } + priv->state_11h.is_11h_active = true; + } + + memset(&radar_params, 0, sizeof(struct nxpwifi_radar_params)); + radar_params.chandef = chandef; + radar_params.cac_time_ms = cac_time_ms; + + memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); + + ret = nxpwifi_send_cmd(priv, HOST_CMD_CHAN_REPORT_REQUEST, + HOST_ACT_GEN_SET, 0, &radar_params, true); + if (!ret) + nxpwifi_queue_delayed_work(priv->adapter, + &priv->dfs_cac_work, + msecs_to_jiffies(cac_time_ms)); + + return ret; +} + +static int +nxpwifi_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, + const u8 *mac, + struct station_parameters *params) +{ + return 0; +} + +static int +nxpwifi_cfg80211_authenticate(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_auth_request *req) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_adapter *adapter = priv->adapter; + struct sk_buff *skb; + u16 pkt_len, auth_alg; + int ret; + struct nxpwifi_ieee80211_mgmt *mgmt; + struct nxpwifi_txinfo *tx_info; + u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; + u8 trans = 1, status_code = 0; + u8 *varptr = NULL; + + if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) { + nxpwifi_dbg(adapter, ERROR, "Interface role is AP\n"); + return -EINVAL; + } + + if (priv->wdev.iftype != NL80211_IFTYPE_STATION) { + nxpwifi_dbg(adapter, ERROR, + "Interface type is not correct (type %d)\n", + priv->wdev.iftype); + return -EINVAL; + } + + if (!nxpwifi_is_channel_setting_allowable(priv, req->bss->channel)) + return -EOPNOTSUPP; + + if (priv->auth_alg != WLAN_AUTH_SAE && + (priv->auth_flag & HOST_MLME_AUTH_PENDING)) { + nxpwifi_dbg(adapter, ERROR, "Pending auth on going\n"); + return -EBUSY; + } + + if (!priv->host_mlme_reg) { + priv->host_mlme_reg = true; + priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK; + nxpwifi_send_cmd(priv, HOST_CMD_MGMT_FRAME_REG, + HOST_ACT_GEN_SET, 0, + &priv->mgmt_frame_mask, false); + } + + switch (req->auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + auth_alg = WLAN_AUTH_OPEN; + break; + case NL80211_AUTHTYPE_SHARED_KEY: + auth_alg = WLAN_AUTH_SHARED_KEY; + break; + case NL80211_AUTHTYPE_FT: + auth_alg = WLAN_AUTH_FT; + break; + case NL80211_AUTHTYPE_NETWORK_EAP: + auth_alg = WLAN_AUTH_LEAP; + break; + case NL80211_AUTHTYPE_SAE: + auth_alg = WLAN_AUTH_SAE; + break; + default: + nxpwifi_dbg(adapter, ERROR, + "unsupported auth type=%d\n", req->auth_type); + return -EOPNOTSUPP; + } + + if (!priv->auth_flag) { + ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_SET, + req->bss->channel, + AUTH_TX_DEFAULT_WAIT_TIME); + + if (!ret) { + priv->roc_cfg.cookie = + nxpwifi_roc_cookie(adapter); + priv->roc_cfg.chan = *req->bss->channel; + } else { + return -EPERM; + } + } + + priv->sec_info.authentication_mode = auth_alg; + + nxpwifi_cancel_scan(adapter); + + pkt_len = (u16)req->ie_len + req->auth_data_len + + NXPWIFI_MGMT_HEADER_LEN + NXPWIFI_AUTH_BODY_LEN; + if (req->auth_data_len >= 4) + pkt_len -= 4; + + skb = dev_alloc_skb(NXPWIFI_MIN_DATA_HEADER_LEN + + NXPWIFI_MGMT_FRAME_HEADER_SIZE + + pkt_len + sizeof(pkt_len)); + if (!skb) { + nxpwifi_dbg(adapter, ERROR, + "allocate skb failed for management frame\n"); + return -ENOMEM; + } + + tx_info = NXPWIFI_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; + + skb_reserve(skb, NXPWIFI_MIN_DATA_HEADER_LEN + + NXPWIFI_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)); + + mgmt = (struct nxpwifi_ieee80211_mgmt *)skb_put(skb, pkt_len); + memset(mgmt, 0, pkt_len); + mgmt->frame_control = + cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); + memcpy(mgmt->da, req->bss->bssid, ETH_ALEN); + memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN); + memcpy(mgmt->bssid, req->bss->bssid, ETH_ALEN); + eth_broadcast_addr(mgmt->addr4); + + if (req->auth_data_len >= 4) { + if (req->auth_type == NL80211_AUTHTYPE_SAE) { + __le16 *pos = (__le16 *)req->auth_data; + + trans = le16_to_cpu(pos[0]); + status_code = le16_to_cpu(pos[1]); + } + memcpy((u8 *)(&mgmt->auth.variable), req->auth_data + 4, + req->auth_data_len - 4); + varptr = (u8 *)&mgmt->auth.variable + + (req->auth_data_len - 4); + } + + mgmt->auth.auth_alg = cpu_to_le16(auth_alg); + mgmt->auth.auth_transaction = cpu_to_le16(trans); + mgmt->auth.status_code = cpu_to_le16(status_code); + + if (req->ie && req->ie_len) { + if (!varptr) + varptr = (u8 *)&mgmt->auth.variable; + memcpy((u8 *)varptr, req->ie, req->ie_len); + } + + priv->auth_flag = HOST_MLME_AUTH_PENDING; + priv->auth_alg = auth_alg; + + skb->priority = WMM_HIGHEST_PRIORITY; + __net_timestamp(skb); + + nxpwifi_dbg(adapter, MSG, + "auth: send authentication to %pM\n", req->bss->bssid); + + nxpwifi_queue_tx_pkt(priv, skb); + + return 0; +} + +static int +nxpwifi_cfg80211_associate(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_assoc_request *req) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + struct nxpwifi_adapter *adapter = priv->adapter; + int ret; + struct cfg80211_ssid req_ssid; + const u8 *ssid_ie; + + if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_STA) { + nxpwifi_dbg(adapter, ERROR, + "%s: reject infra assoc request in non-STA role\n", + dev->name); + return -EINVAL; + } + + if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags) || + test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags)) { + nxpwifi_dbg(adapter, ERROR, + "%s: Ignore association.\t" + "Card removed or FW in bad state\n", + dev->name); + return -EPERM; + } + + if (priv->auth_alg == WLAN_AUTH_SAE) + priv->auth_flag = HOST_MLME_AUTH_DONE; + + if (priv->auth_flag && !(priv->auth_flag & HOST_MLME_AUTH_DONE)) + return -EBUSY; + + if (priv->roc_cfg.cookie) { + ret = nxpwifi_remain_on_chan_cfg(priv, HOST_ACT_GEN_REMOVE, + &priv->roc_cfg.chan, 0); + if (!ret) + memset(&priv->roc_cfg, 0, + sizeof(struct nxpwifi_roc_cfg)); + else + return ret; + } + + if (!nxpwifi_stop_bg_scan(priv)) + cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); + + memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); + rcu_read_lock(); + ssid_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID); + + if (!ssid_ie) + goto ssid_err; + + req_ssid.ssid_len = ssid_ie[1]; + if (req_ssid.ssid_len > IEEE80211_MAX_SSID_LEN) { + nxpwifi_dbg(adapter, ERROR, "invalid SSID - aborting\n"); + goto ssid_err; + } + + memcpy(req_ssid.ssid, ssid_ie + 2, req_ssid.ssid_len); + if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { + nxpwifi_dbg(adapter, ERROR, "invalid SSID - aborting\n"); + goto ssid_err; + } + rcu_read_unlock(); + + /* 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 = nxpwifi_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); + + if (req->crypto.n_ciphers_pairwise) + priv->sec_info.encryption_mode = + req->crypto.ciphers_pairwise[0]; + + if (req->crypto.cipher_group) + priv->sec_info.encryption_mode = req->crypto.cipher_group; + + if (req->ie) + ret = nxpwifi_set_gen_ie(priv, req->ie, req->ie_len); + + memcpy(priv->cfg_bssid, req->bss->bssid, ETH_ALEN); + + nxpwifi_dbg(adapter, MSG, + "assoc: send association to %pM\n", req->bss->bssid); + + cfg80211_ref_bss(adapter->wiphy, req->bss); + + ret = nxpwifi_bss_start(priv, req->bss, &req_ssid); + + if (ret) { + priv->auth_flag = 0; + priv->auth_alg = WLAN_AUTH_NONE; + eth_zero_addr(priv->cfg_bssid); + } else { + if (priv->assoc_rsp_size) { + priv->req_bss = req->bss; + adapter->assoc_resp_received = true; + nxpwifi_queue_work(adapter, + &adapter->host_mlme_work); + } + } + + cfg80211_put_bss(priv->adapter->wiphy, req->bss); + + return ret; + +ssid_err: + + rcu_read_unlock(); + return -EINVAL; +} + +static int +nxpwifi_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, + u16 reason_code) +{ + struct nxpwifi_private *priv = nxpwifi_netdev_get_priv(dev); + int ret; + + if (!nxpwifi_stop_bg_scan(priv)) + cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0); + + ret = nxpwifi_deauthenticate(priv, NULL); + if (!ret) { + eth_zero_addr(priv->cfg_bssid); + priv->hs2_enabled = false; + } + + return ret; +} + +static int +nxpwifi_cfg80211_deauthenticate(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_deauth_request *req) +{ + return nxpwifi_cfg80211_disconnect(wiphy, dev, req->reason_code); +} + +static int +nxpwifi_cfg80211_disassociate(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_disassoc_request *req) +{ + return nxpwifi_cfg80211_disconnect(wiphy, dev, req->reason_code); +} + +static int +nxpwifi_cfg80211_probe_client(struct wiphy *wiphy, + struct net_device *dev, const u8 *peer, + u64 *cookie) +{ + /* hostapd looks for NL80211_CMD_PROBE_CLIENT support; otherwise, + * it requires monitor-mode support (which mwifiex doesn't support). + * Provide fake probe_client support to work around this. + */ + return -EOPNOTSUPP; +} + +/* station cfg80211 operations */ +static const struct cfg80211_ops nxpwifi_cfg80211_ops = { + .add_virtual_intf = nxpwifi_add_virtual_intf, + .del_virtual_intf = nxpwifi_del_virtual_intf, + .change_virtual_intf = nxpwifi_cfg80211_change_virtual_intf, + .scan = nxpwifi_cfg80211_scan, + .auth = nxpwifi_cfg80211_authenticate, + .assoc = nxpwifi_cfg80211_associate, + .deauth = nxpwifi_cfg80211_deauthenticate, + .disassoc = nxpwifi_cfg80211_disassociate, + .probe_client = nxpwifi_cfg80211_probe_client, + .get_station = nxpwifi_cfg80211_get_station, + .dump_station = nxpwifi_cfg80211_dump_station, + .dump_survey = nxpwifi_cfg80211_dump_survey, + .set_wiphy_params = nxpwifi_cfg80211_set_wiphy_params, + .add_key = nxpwifi_cfg80211_add_key, + .del_key = nxpwifi_cfg80211_del_key, + .set_default_mgmt_key = nxpwifi_cfg80211_set_default_mgmt_key, + .mgmt_tx = nxpwifi_cfg80211_mgmt_tx, + .update_mgmt_frame_registrations = + nxpwifi_cfg80211_update_mgmt_frame_registrations, + .remain_on_channel = nxpwifi_cfg80211_remain_on_channel, + .cancel_remain_on_channel = nxpwifi_cfg80211_cancel_remain_on_channel, + .set_default_key = nxpwifi_cfg80211_set_default_key, + .set_power_mgmt = nxpwifi_cfg80211_set_power_mgmt, + .set_tx_power = nxpwifi_cfg80211_set_tx_power, + .get_tx_power = nxpwifi_cfg80211_get_tx_power, + .set_bitrate_mask = nxpwifi_cfg80211_set_bitrate_mask, + .start_ap = nxpwifi_cfg80211_start_ap, + .stop_ap = nxpwifi_cfg80211_stop_ap, + .change_beacon = nxpwifi_cfg80211_change_beacon, + .set_cqm_rssi_config = nxpwifi_cfg80211_set_cqm_rssi_config, + .set_antenna = nxpwifi_cfg80211_set_antenna, + .get_antenna = nxpwifi_cfg80211_get_antenna, + .del_station = nxpwifi_cfg80211_del_station, + .sched_scan_start = nxpwifi_cfg80211_sched_scan_start, + .sched_scan_stop = nxpwifi_cfg80211_sched_scan_stop, + .change_station = nxpwifi_cfg80211_change_station, +#ifdef CONFIG_PM + .suspend = nxpwifi_cfg80211_suspend, + .resume = nxpwifi_cfg80211_resume, + .set_wakeup = nxpwifi_cfg80211_set_wakeup, +#endif + .set_coalesce = nxpwifi_cfg80211_set_coalesce, + .add_station = nxpwifi_cfg80211_add_station, + CFG80211_TESTMODE_CMD(nxpwifi_tm_cmd) + .get_channel = nxpwifi_cfg80211_get_channel, + .start_radar_detection = nxpwifi_cfg80211_start_radar_detection, + .channel_switch = nxpwifi_cfg80211_channel_switch, +}; + +#ifdef CONFIG_PM +static const struct wiphy_wowlan_support nxpwifi_wowlan_support = { + .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_GTK_REKEY_FAILURE, + .n_patterns = NXPWIFI_MEF_MAX_FILTERS, + .pattern_min_len = 1, + .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, + .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, + .max_nd_match_sets = NXPWIFI_MAX_ND_MATCH_SETS, +}; + +static const struct wiphy_wowlan_support nxpwifi_wowlan_support_no_gtk = { + .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_NET_DETECT, + .n_patterns = NXPWIFI_MEF_MAX_FILTERS, + .pattern_min_len = 1, + .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, + .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, + .max_nd_match_sets = NXPWIFI_MAX_ND_MATCH_SETS, +}; +#endif + +static const struct wiphy_coalesce_support nxpwifi_coalesce_support = { + .n_rules = NXPWIFI_COALESCE_MAX_RULES, + .max_delay = NXPWIFI_MAX_COALESCING_DELAY, + .n_patterns = NXPWIFI_COALESCE_MAX_FILTERS, + .pattern_min_len = 1, + .pattern_max_len = NXPWIFI_MAX_PATTERN_LEN, + .max_pkt_offset = NXPWIFI_MAX_OFFSET_LEN, +}; + +int nxpwifi_init_channel_scan_gap(struct nxpwifi_adapter *adapter) +{ + u32 n_channels_bg, n_channels_a = 0; + + n_channels_bg = nxpwifi_band_2ghz.n_channels; + + if (adapter->fw_bands & BAND_A) + n_channels_a = nxpwifi_band_5ghz.n_channels; + + /* allocate twice the number total channels, since the driver issues an + * additional active scan request for hidden SSIDs on passive channels. + */ + adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a); + adapter->chan_stats = vmalloc(array_size(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 nxpwifi_register_cfg80211(struct nxpwifi_adapter *adapter) +{ + int ret; + void *wdev_priv; + struct wiphy *wiphy; + struct nxpwifi_private *priv = adapter->priv[NXPWIFI_BSS_TYPE_STA]; + struct ieee80211_sta_ht_cap *ht_cap; + struct ieee80211_sta_vht_cap *vht_cap; + u8 *country_code; + u32 thr, retry; + + /* create a new wiphy for use with cfg80211 */ + wiphy = wiphy_new(&nxpwifi_cfg80211_ops, + sizeof(struct nxpwifi_adapter *)); + if (!wiphy) { + nxpwifi_dbg(adapter, ERROR, + "%s: creating new wiphy\n", __func__); + return -ENOMEM; + } + + wiphy->max_scan_ssids = NXPWIFI_MAX_SSID_LIST_LENGTH; + wiphy->max_scan_ie_len = NXPWIFI_MAX_VSIE_LEN; + + wiphy->mgmt_stypes = nxpwifi_mgmt_stypes; + wiphy->max_remain_on_channel_duration = 5000; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP); + + wiphy->max_num_akm_suites = CFG80211_MAX_NUM_AKM_SUITES; + + wiphy->bands[NL80211_BAND_2GHZ] = + devm_kmemdup(adapter->dev, &nxpwifi_band_2ghz, + sizeof(nxpwifi_band_2ghz), GFP_KERNEL); + if (!wiphy->bands[NL80211_BAND_2GHZ]) { + ret = -ENOMEM; + goto err; + } + + if (adapter->fw_bands & BAND_A) { + wiphy->bands[NL80211_BAND_5GHZ] = + devm_kmemdup(adapter->dev, &nxpwifi_band_5ghz, + sizeof(nxpwifi_band_5ghz), GFP_KERNEL); + if (!wiphy->bands[NL80211_BAND_5GHZ]) { + ret = -ENOMEM; + goto err; + } + } else { + wiphy->bands[NL80211_BAND_5GHZ] = NULL; + } + + ht_cap = &wiphy->bands[NL80211_BAND_2GHZ]->ht_cap; + nxpwifi_setup_ht_caps(priv, ht_cap); + + if (adapter->is_hw_11ac_capable) { + vht_cap = &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap; + nxpwifi_setup_vht_caps(priv, vht_cap); + } + + if (adapter->is_hw_11ax_capable) + nxpwifi_setup_he_caps(priv, wiphy->bands[NL80211_BAND_2GHZ]); + + if (adapter->fw_bands & BAND_A) { + ht_cap = &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap; + nxpwifi_setup_ht_caps(priv, ht_cap); + + if (adapter->is_hw_11ac_capable) { + vht_cap = &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap; + nxpwifi_setup_vht_caps(priv, vht_cap); + } + + if (adapter->is_hw_11ax_capable) + nxpwifi_setup_he_caps(priv, wiphy->bands[NL80211_BAND_5GHZ]); + } + + if (adapter->is_hw_11ac_capable) + wiphy->iface_combinations = &nxpwifi_iface_comb_ap_sta_vht; + else + wiphy->iface_combinations = &nxpwifi_iface_comb_ap_sta; + wiphy->n_iface_combinations = 1; + + wiphy->max_ap_assoc_sta = adapter->max_sta_conn; + + /* Initialize cipher suits */ + wiphy->cipher_suites = nxpwifi_cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(nxpwifi_cipher_suites); + + if (adapter->regd) { + wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | + REGULATORY_DISABLE_BEACON_HINTS | + REGULATORY_COUNTRY_IE_IGNORE; + wiphy_apply_custom_regulatory(wiphy, adapter->regd); + } + + ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | + WIPHY_FLAG_AP_UAPSD | + WIPHY_FLAG_REPORTS_OBSS | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | + WIPHY_FLAG_HAS_CHANNEL_SWITCH | + WIPHY_FLAG_NETNS_OK | + WIPHY_FLAG_PS_ON_BY_DEFAULT; + wiphy->max_num_csa_counters = NXPWIFI_MAX_CSA_COUNTERS; + +#ifdef CONFIG_PM + if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info)) + wiphy->wowlan = &nxpwifi_wowlan_support; + else + wiphy->wowlan = &nxpwifi_wowlan_support_no_gtk; +#endif + + wiphy->coalesce = &nxpwifi_coalesce_support; + + wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | + NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; + + wiphy->max_sched_scan_reqs = 1; + wiphy->max_sched_scan_ssids = NXPWIFI_MAX_SSID_LIST_LENGTH; + wiphy->max_sched_scan_ie_len = NXPWIFI_MAX_VSIE_LEN; + wiphy->max_match_sets = NXPWIFI_MAX_SSID_LIST_LENGTH; + + wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; + wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; + + wiphy->features |= NL80211_FEATURE_SAE | + NL80211_FEATURE_INACTIVITY_TIMER | + NL80211_FEATURE_LOW_PRIORITY_SCAN | + NL80211_FEATURE_NEED_OBSS_SCAN; + + if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info)) + wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_ND_RANDOM_MAC_ADDR; + + if (adapter->fw_api_ver == NXPWIFI_FW_V15) + wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; + + /* Reserve space for nxpwifi specific private data for BSS */ + wiphy->bss_priv_size = sizeof(struct nxpwifi_bss_priv); + + wiphy->reg_notifier = nxpwifi_reg_notifier; + + /* Set struct nxpwifi_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) { + nxpwifi_dbg(adapter, ERROR, + "%s: wiphy_register failed: %d\n", __func__, ret); + goto err; + } + + if (!adapter->regd) { + if (adapter->region_code == 0x00) { + nxpwifi_dbg(adapter, WARN, + "Ignore world regulatory domain\n"); + } else { + wiphy->regulatory_flags |= + REGULATORY_DISABLE_BEACON_HINTS | + REGULATORY_COUNTRY_IE_IGNORE; + country_code = + nxpwifi_11d_code_2_region(adapter->region_code); + if (country_code && + regulatory_hint(wiphy, country_code)) + nxpwifi_dbg(priv->adapter, ERROR, + "regulatory_hint() failed\n"); + } + } + + nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); + wiphy->frag_threshold = thr; + nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_GET, RTS_THRESH_I, &thr, true); + wiphy->rts_threshold = thr; + nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); + wiphy->retry_short = (u8)retry; + nxpwifi_send_cmd(priv, HOST_CMD_802_11_SNMP_MIB, + HOST_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); + wiphy->retry_long = (u8)retry; + + adapter->wiphy = wiphy; + return ret; + +err: + wiphy_free(wiphy); + return ret; +} diff --git a/drivers/net/wireless/nxp/nxpwifi/cfg80211.h b/drivers/net/wireless/nxp/nxpwifi/cfg80211.h new file mode 100644 index 000000000000..086ec9ca4cc9 --- /dev/null +++ b/drivers/net/wireless/nxp/nxpwifi/cfg80211.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * NXP Wireless LAN device driver: CFG80211 + * + * Copyright 2011-2024 NXP + */ + +#ifndef __NXPWIFI_CFG80211__ +#define __NXPWIFI_CFG80211__ + +#include "main.h" + +int nxpwifi_register_cfg80211(struct nxpwifi_adapter *adapter); + +int nxpwifi_cfg80211_change_beacon_data(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_beacon_data *data); + +#endif