diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_mac80211.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_mac80211.c | 2103 |
1 files changed, 2103 insertions, 0 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c new file mode 100644 index 000000000..2fbec51c8 --- /dev/null +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -0,0 +1,2103 @@ +/* + * Copyright (c) 2014 Redpine Signals Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/etherdevice.h> +#include "rsi_debugfs.h" +#include "rsi_mgmt.h" +#include "rsi_sdio.h" +#include "rsi_common.h" +#include "rsi_ps.h" + +static const struct ieee80211_channel rsi_2ghz_channels[] = { + { .band = NL80211_BAND_2GHZ, .center_freq = 2412, + .hw_value = 1 }, /* Channel 1 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2417, + .hw_value = 2 }, /* Channel 2 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2422, + .hw_value = 3 }, /* Channel 3 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2427, + .hw_value = 4 }, /* Channel 4 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2432, + .hw_value = 5 }, /* Channel 5 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2437, + .hw_value = 6 }, /* Channel 6 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2442, + .hw_value = 7 }, /* Channel 7 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2447, + .hw_value = 8 }, /* Channel 8 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2452, + .hw_value = 9 }, /* Channel 9 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2457, + .hw_value = 10 }, /* Channel 10 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2462, + .hw_value = 11 }, /* Channel 11 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2467, + .hw_value = 12 }, /* Channel 12 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2472, + .hw_value = 13 }, /* Channel 13 */ + { .band = NL80211_BAND_2GHZ, .center_freq = 2484, + .hw_value = 14 }, /* Channel 14 */ +}; + +static const struct ieee80211_channel rsi_5ghz_channels[] = { + { .band = NL80211_BAND_5GHZ, .center_freq = 5180, + .hw_value = 36, }, /* Channel 36 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5200, + .hw_value = 40, }, /* Channel 40 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5220, + .hw_value = 44, }, /* Channel 44 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5240, + .hw_value = 48, }, /* Channel 48 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5260, + .hw_value = 52, }, /* Channel 52 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5280, + .hw_value = 56, }, /* Channel 56 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5300, + .hw_value = 60, }, /* Channel 60 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5320, + .hw_value = 64, }, /* Channel 64 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5500, + .hw_value = 100, }, /* Channel 100 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5520, + .hw_value = 104, }, /* Channel 104 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5540, + .hw_value = 108, }, /* Channel 108 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5560, + .hw_value = 112, }, /* Channel 112 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5580, + .hw_value = 116, }, /* Channel 116 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5600, + .hw_value = 120, }, /* Channel 120 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5620, + .hw_value = 124, }, /* Channel 124 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5640, + .hw_value = 128, }, /* Channel 128 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5660, + .hw_value = 132, }, /* Channel 132 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5680, + .hw_value = 136, }, /* Channel 136 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5700, + .hw_value = 140, }, /* Channel 140 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5745, + .hw_value = 149, }, /* Channel 149 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5765, + .hw_value = 153, }, /* Channel 153 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5785, + .hw_value = 157, }, /* Channel 157 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5805, + .hw_value = 161, }, /* Channel 161 */ + { .band = NL80211_BAND_5GHZ, .center_freq = 5825, + .hw_value = 165, }, /* Channel 165 */ +}; + +struct ieee80211_rate rsi_rates[12] = { + { .bitrate = STD_RATE_01 * 5, .hw_value = RSI_RATE_1 }, + { .bitrate = STD_RATE_02 * 5, .hw_value = RSI_RATE_2 }, + { .bitrate = STD_RATE_5_5 * 5, .hw_value = RSI_RATE_5_5 }, + { .bitrate = STD_RATE_11 * 5, .hw_value = RSI_RATE_11 }, + { .bitrate = STD_RATE_06 * 5, .hw_value = RSI_RATE_6 }, + { .bitrate = STD_RATE_09 * 5, .hw_value = RSI_RATE_9 }, + { .bitrate = STD_RATE_12 * 5, .hw_value = RSI_RATE_12 }, + { .bitrate = STD_RATE_18 * 5, .hw_value = RSI_RATE_18 }, + { .bitrate = STD_RATE_24 * 5, .hw_value = RSI_RATE_24 }, + { .bitrate = STD_RATE_36 * 5, .hw_value = RSI_RATE_36 }, + { .bitrate = STD_RATE_48 * 5, .hw_value = RSI_RATE_48 }, + { .bitrate = STD_RATE_54 * 5, .hw_value = RSI_RATE_54 }, +}; + +const u16 rsi_mcsrates[8] = { + RSI_RATE_MCS0, RSI_RATE_MCS1, RSI_RATE_MCS2, RSI_RATE_MCS3, + RSI_RATE_MCS4, RSI_RATE_MCS5, RSI_RATE_MCS6, RSI_RATE_MCS7 +}; + +static const u32 rsi_max_ap_stas[16] = { + 32, /* 1 - Wi-Fi alone */ + 0, /* 2 */ + 0, /* 3 */ + 0, /* 4 - BT EDR alone */ + 4, /* 5 - STA + BT EDR */ + 32, /* 6 - AP + BT EDR */ + 0, /* 7 */ + 0, /* 8 - BT LE alone */ + 4, /* 9 - STA + BE LE */ + 0, /* 10 */ + 0, /* 11 */ + 0, /* 12 */ + 1, /* 13 - STA + BT Dual */ + 4, /* 14 - AP + BT Dual */ +}; + +static const struct ieee80211_iface_limit rsi_iface_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO), + }, + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_DEVICE), + }, +}; + +static const struct ieee80211_iface_combination rsi_iface_combinations[] = { + { + .num_different_channels = 1, + .max_interfaces = 3, + .limits = rsi_iface_limits, + .n_limits = ARRAY_SIZE(rsi_iface_limits), + }, +}; + +/** + * rsi_is_cipher_wep() - This function determines if the cipher is WEP or not. + * @common: Pointer to the driver private structure. + * + * Return: If cipher type is WEP, a value of 1 is returned, else 0. + */ + +bool rsi_is_cipher_wep(struct rsi_common *common) +{ + if (((common->secinfo.gtk_cipher == WLAN_CIPHER_SUITE_WEP104) || + (common->secinfo.gtk_cipher == WLAN_CIPHER_SUITE_WEP40)) && + (!common->secinfo.ptk_cipher)) + return true; + else + return false; +} + +/** + * rsi_register_rates_channels() - This function registers channels and rates. + * @adapter: Pointer to the adapter structure. + * @band: Operating band to be set. + * + * Return: int - 0 on success, negative error on failure. + */ +static int rsi_register_rates_channels(struct rsi_hw *adapter, int band) +{ + struct ieee80211_supported_band *sbands = &adapter->sbands[band]; + void *channels = NULL; + + if (band == NL80211_BAND_2GHZ) { + channels = kmemdup(rsi_2ghz_channels, sizeof(rsi_2ghz_channels), + GFP_KERNEL); + if (!channels) + return -ENOMEM; + sbands->band = NL80211_BAND_2GHZ; + sbands->n_channels = ARRAY_SIZE(rsi_2ghz_channels); + sbands->bitrates = rsi_rates; + sbands->n_bitrates = ARRAY_SIZE(rsi_rates); + } else { + channels = kmemdup(rsi_5ghz_channels, sizeof(rsi_5ghz_channels), + GFP_KERNEL); + if (!channels) + return -ENOMEM; + sbands->band = NL80211_BAND_5GHZ; + sbands->n_channels = ARRAY_SIZE(rsi_5ghz_channels); + sbands->bitrates = &rsi_rates[4]; + sbands->n_bitrates = ARRAY_SIZE(rsi_rates) - 4; + } + + sbands->channels = channels; + + memset(&sbands->ht_cap, 0, sizeof(struct ieee80211_sta_ht_cap)); + sbands->ht_cap.ht_supported = true; + sbands->ht_cap.cap = (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | + IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_SGI_40); + sbands->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; + sbands->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; + sbands->ht_cap.mcs.rx_mask[0] = 0xff; + sbands->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + /* sbands->ht_cap.mcs.rx_highest = 0x82; */ + return 0; +} + +static int rsi_mac80211_hw_scan_start(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_scan_request *hw_req) +{ + struct cfg80211_scan_request *scan_req = &hw_req->req; + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + rsi_dbg(INFO_ZONE, "***** Hardware scan start *****\n"); + common->mac_ops_resumed = false; + + if (common->fsm_state != FSM_MAC_INIT_DONE) + return -ENODEV; + + if ((common->wow_flags & RSI_WOW_ENABLED) || + scan_req->n_channels == 0) + return -EINVAL; + + /* Scan already in progress. So return */ + if (common->bgscan_en) + return -EBUSY; + + /* If STA is not connected, return with special value 1, in order + * to start sw_scan in mac80211 + */ + if (!vif->cfg.assoc) + return 1; + + mutex_lock(&common->mutex); + common->hwscan = scan_req; + if (!rsi_send_bgscan_params(common, RSI_START_BGSCAN)) { + if (!rsi_send_bgscan_probe_req(common, vif)) { + rsi_dbg(INFO_ZONE, "Background scan started...\n"); + common->bgscan_en = true; + } + } + mutex_unlock(&common->mutex); + + return 0; +} + +static void rsi_mac80211_cancel_hw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct cfg80211_scan_info info; + + rsi_dbg(INFO_ZONE, "***** Hardware scan stop *****\n"); + mutex_lock(&common->mutex); + + if (common->bgscan_en) { + if (!rsi_send_bgscan_params(common, RSI_STOP_BGSCAN)) + common->bgscan_en = false; + info.aborted = false; + ieee80211_scan_completed(adapter->hw, &info); + rsi_dbg(INFO_ZONE, "Back ground scan cancelled\n"); + } + common->hwscan = NULL; + mutex_unlock(&common->mutex); +} + +/** + * rsi_mac80211_detach() - This function is used to de-initialize the + * Mac80211 stack. + * @adapter: Pointer to the adapter structure. + * + * Return: None. + */ +void rsi_mac80211_detach(struct rsi_hw *adapter) +{ + struct ieee80211_hw *hw = adapter->hw; + enum nl80211_band band; + + if (hw) { + ieee80211_stop_queues(hw); + ieee80211_unregister_hw(hw); + ieee80211_free_hw(hw); + adapter->hw = NULL; + } + + for (band = 0; band < NUM_NL80211_BANDS; band++) { + struct ieee80211_supported_band *sband = + &adapter->sbands[band]; + + kfree(sband->channels); + } + +#ifdef CONFIG_RSI_DEBUGFS + rsi_remove_dbgfs(adapter); + kfree(adapter->dfsentry); +#endif +} +EXPORT_SYMBOL_GPL(rsi_mac80211_detach); + +/** + * rsi_indicate_tx_status() - This function indicates the transmit status. + * @adapter: Pointer to the adapter structure. + * @skb: Pointer to the socket buffer structure. + * @status: Status + * + * Return: None. + */ +void rsi_indicate_tx_status(struct rsi_hw *adapter, + struct sk_buff *skb, + int status) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct skb_info *tx_params; + + if (!adapter->hw) { + rsi_dbg(ERR_ZONE, "##### No MAC #####\n"); + return; + } + + if (!status) + info->flags |= IEEE80211_TX_STAT_ACK; + + tx_params = (struct skb_info *)info->driver_data; + skb_pull(skb, tx_params->internal_hdr_size); + memset(info->driver_data, 0, IEEE80211_TX_INFO_DRIVER_DATA_SIZE); + + ieee80211_tx_status_irqsafe(adapter->hw, skb); +} + +/** + * rsi_mac80211_tx() - This is the handler that 802.11 module calls for each + * transmitted frame.SKB contains the buffer starting + * from the IEEE 802.11 header. + * @hw: Pointer to the ieee80211_hw structure. + * @control: Pointer to the ieee80211_tx_control structure + * @skb: Pointer to the socket buffer structure. + * + * Return: None + */ +static void rsi_mac80211_tx(struct ieee80211_hw *hw, + struct ieee80211_tx_control *control, + struct sk_buff *skb) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct ieee80211_hdr *wlh = (struct ieee80211_hdr *)skb->data; + + if (ieee80211_is_auth(wlh->frame_control)) + common->mac_ops_resumed = false; + + rsi_core_xmit(common, skb); +} + +/** + * rsi_mac80211_start() - This is first handler that 802.11 module calls, since + * the driver init is complete by then, just + * returns success. + * @hw: Pointer to the ieee80211_hw structure. + * + * Return: 0 as success. + */ +static int rsi_mac80211_start(struct ieee80211_hw *hw) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + rsi_dbg(ERR_ZONE, "===> Interface UP <===\n"); + mutex_lock(&common->mutex); + if (common->hibernate_resume) { + common->reinit_hw = true; + adapter->host_intf_ops->reinit_device(adapter); + wait_for_completion(&adapter->priv->wlan_init_completion); + } + common->iface_down = false; + wiphy_rfkill_start_polling(hw->wiphy); + rsi_send_rx_filter_frame(common, 0); + mutex_unlock(&common->mutex); + + return 0; +} + +/** + * rsi_mac80211_stop() - This is the last handler that 802.11 module calls. + * @hw: Pointer to the ieee80211_hw structure. + * + * Return: None. + */ +static void rsi_mac80211_stop(struct ieee80211_hw *hw) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + rsi_dbg(ERR_ZONE, "===> Interface DOWN <===\n"); + mutex_lock(&common->mutex); + common->iface_down = true; + wiphy_rfkill_stop_polling(hw->wiphy); + + /* Block all rx frames */ + rsi_send_rx_filter_frame(common, 0xffff); + + mutex_unlock(&common->mutex); +} + +static int rsi_map_intf_mode(enum nl80211_iftype vif_type) +{ + switch (vif_type) { + case NL80211_IFTYPE_STATION: + return RSI_OPMODE_STA; + case NL80211_IFTYPE_AP: + return RSI_OPMODE_AP; + case NL80211_IFTYPE_P2P_DEVICE: + return RSI_OPMODE_P2P_CLIENT; + case NL80211_IFTYPE_P2P_CLIENT: + return RSI_OPMODE_P2P_CLIENT; + case NL80211_IFTYPE_P2P_GO: + return RSI_OPMODE_P2P_GO; + default: + return RSI_OPMODE_UNSUPPORTED; + } +} + +/** + * rsi_mac80211_add_interface() - This function is called when a netdevice + * attached to the hardware is enabled. + * @hw: Pointer to the ieee80211_hw structure. + * @vif: Pointer to the ieee80211_vif structure. + * + * Return: ret: 0 on success, negative error code on failure. + */ +static int rsi_mac80211_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct vif_priv *vif_info = (struct vif_priv *)vif->drv_priv; + enum opmode intf_mode; + enum vap_status vap_status; + int vap_idx = -1, i; + + vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD; + mutex_lock(&common->mutex); + + intf_mode = rsi_map_intf_mode(vif->type); + if (intf_mode == RSI_OPMODE_UNSUPPORTED) { + rsi_dbg(ERR_ZONE, + "%s: Interface type %d not supported\n", __func__, + vif->type); + mutex_unlock(&common->mutex); + return -EOPNOTSUPP; + } + if ((vif->type == NL80211_IFTYPE_P2P_DEVICE) || + (vif->type == NL80211_IFTYPE_P2P_CLIENT) || + (vif->type == NL80211_IFTYPE_P2P_GO)) + common->p2p_enabled = true; + + /* Get free vap index */ + for (i = 0; i < RSI_MAX_VIFS; i++) { + if (!adapter->vifs[i] || + !memcmp(vif->addr, adapter->vifs[i]->addr, ETH_ALEN)) { + vap_idx = i; + break; + } + } + if (vap_idx < 0) { + rsi_dbg(ERR_ZONE, "Reject: Max VAPs reached\n"); + mutex_unlock(&common->mutex); + return -EOPNOTSUPP; + } + vif_info->vap_id = vap_idx; + adapter->vifs[vap_idx] = vif; + adapter->sc_nvifs++; + vap_status = VAP_ADD; + + if (rsi_set_vap_capabilities(common, intf_mode, vif->addr, + vif_info->vap_id, vap_status)) { + rsi_dbg(ERR_ZONE, "Failed to set VAP capabilities\n"); + mutex_unlock(&common->mutex); + return -EINVAL; + } + + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) { + rsi_send_rx_filter_frame(common, DISALLOW_BEACONS); + for (i = 0; i < common->max_stations; i++) + common->stations[i].sta = NULL; + } + + mutex_unlock(&common->mutex); + + return 0; +} + +/** + * rsi_mac80211_remove_interface() - This function notifies driver that an + * interface is going down. + * @hw: Pointer to the ieee80211_hw structure. + * @vif: Pointer to the ieee80211_vif structure. + * + * Return: None. + */ +static void rsi_mac80211_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + enum opmode opmode; + int i; + + rsi_dbg(INFO_ZONE, "Remove Interface Called\n"); + + mutex_lock(&common->mutex); + + if (adapter->sc_nvifs <= 0) { + mutex_unlock(&common->mutex); + return; + } + + opmode = rsi_map_intf_mode(vif->type); + if (opmode == RSI_OPMODE_UNSUPPORTED) { + rsi_dbg(ERR_ZONE, "Opmode error : %d\n", opmode); + mutex_unlock(&common->mutex); + return; + } + for (i = 0; i < RSI_MAX_VIFS; i++) { + if (!adapter->vifs[i]) + continue; + if (vif == adapter->vifs[i]) { + rsi_set_vap_capabilities(common, opmode, vif->addr, + i, VAP_DELETE); + adapter->sc_nvifs--; + adapter->vifs[i] = NULL; + } + } + mutex_unlock(&common->mutex); +} + +/** + * rsi_channel_change() - This function is a performs the checks + * required for changing a channel and sets + * the channel accordingly. + * @hw: Pointer to the ieee80211_hw structure. + * + * Return: 0 on success, negative error code on failure. + */ +static int rsi_channel_change(struct ieee80211_hw *hw) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + int status = -EOPNOTSUPP; + struct ieee80211_channel *curchan = hw->conf.chandef.chan; + u16 channel = curchan->hw_value; + struct ieee80211_vif *vif; + bool assoc = false; + int i; + + rsi_dbg(INFO_ZONE, + "%s: Set channel: %d MHz type: %d channel_no %d\n", + __func__, curchan->center_freq, + curchan->flags, channel); + + for (i = 0; i < RSI_MAX_VIFS; i++) { + vif = adapter->vifs[i]; + if (!vif) + continue; + if (vif->type == NL80211_IFTYPE_STATION) { + if (vif->cfg.assoc) { + assoc = true; + break; + } + } + } + if (assoc) { + if (!common->hw_data_qs_blocked && + (rsi_get_connected_channel(vif) != channel)) { + rsi_dbg(INFO_ZONE, "blk data q %d\n", channel); + if (!rsi_send_block_unblock_frame(common, true)) + common->hw_data_qs_blocked = true; + } + } + + status = rsi_band_check(common, curchan); + if (!status) + status = rsi_set_channel(adapter->priv, curchan); + + if (assoc) { + if (common->hw_data_qs_blocked && + (rsi_get_connected_channel(vif) == channel)) { + rsi_dbg(INFO_ZONE, "unblk data q %d\n", channel); + if (!rsi_send_block_unblock_frame(common, false)) + common->hw_data_qs_blocked = false; + } + } + + return status; +} + +/** + * rsi_config_power() - This function configures tx power to device + * @hw: Pointer to the ieee80211_hw structure. + * + * Return: 0 on success, negative error code on failure. + */ +static int rsi_config_power(struct ieee80211_hw *hw) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct ieee80211_conf *conf = &hw->conf; + + if (adapter->sc_nvifs <= 0) { + rsi_dbg(ERR_ZONE, "%s: No virtual interface found\n", __func__); + return -EINVAL; + } + + rsi_dbg(INFO_ZONE, + "%s: Set tx power: %d dBM\n", __func__, conf->power_level); + + if (conf->power_level == common->tx_power) + return 0; + + common->tx_power = conf->power_level; + + return rsi_send_radio_params_update(common); +} + +/** + * rsi_mac80211_config() - This function is a handler for configuration + * requests. The stack calls this function to + * change hardware configuration, e.g., channel. + * @hw: Pointer to the ieee80211_hw structure. + * @changed: Changed flags set. + * + * Return: 0 on success, negative error code on failure. + */ +static int rsi_mac80211_config(struct ieee80211_hw *hw, + u32 changed) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct ieee80211_conf *conf = &hw->conf; + int status = -EOPNOTSUPP; + + mutex_lock(&common->mutex); + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) + status = rsi_channel_change(hw); + + /* tx power */ + if (changed & IEEE80211_CONF_CHANGE_POWER) { + rsi_dbg(INFO_ZONE, "%s: Configuring Power\n", __func__); + status = rsi_config_power(hw); + } + + /* Power save parameters */ + if ((changed & IEEE80211_CONF_CHANGE_PS) && + !common->mac_ops_resumed) { + struct ieee80211_vif *vif, *sta_vif = NULL; + unsigned long flags; + int i, set_ps = 1; + + for (i = 0; i < RSI_MAX_VIFS; i++) { + vif = adapter->vifs[i]; + if (!vif) + continue; + /* Don't go to power save if AP vap exists */ + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) { + set_ps = 0; + break; + } + if ((vif->type == NL80211_IFTYPE_STATION || + vif->type == NL80211_IFTYPE_P2P_CLIENT) && + (!sta_vif || vif->cfg.assoc)) + sta_vif = vif; + } + if (set_ps && sta_vif) { + spin_lock_irqsave(&adapter->ps_lock, flags); + if (conf->flags & IEEE80211_CONF_PS) + rsi_enable_ps(adapter, sta_vif); + else + rsi_disable_ps(adapter, sta_vif); + spin_unlock_irqrestore(&adapter->ps_lock, flags); + } + } + + /* RTS threshold */ + if (changed & WIPHY_PARAM_RTS_THRESHOLD) { + rsi_dbg(INFO_ZONE, "RTS threshold\n"); + if ((common->rts_threshold) <= IEEE80211_MAX_RTS_THRESHOLD) { + rsi_dbg(INFO_ZONE, + "%s: Sending vap updates....\n", __func__); + status = rsi_send_vap_dynamic_update(common); + } + } + mutex_unlock(&common->mutex); + + return status; +} + +/** + * rsi_get_connected_channel() - This function is used to get the current + * connected channel number. + * @vif: Pointer to the ieee80211_vif structure. + * + * Return: Current connected AP's channel number is returned. + */ +u16 rsi_get_connected_channel(struct ieee80211_vif *vif) +{ + struct ieee80211_bss_conf *bss; + struct ieee80211_channel *channel; + + if (!vif) + return 0; + + bss = &vif->bss_conf; + channel = bss->chandef.chan; + + if (!channel) + return 0; + + return channel->hw_value; +} + +static void rsi_switch_channel(struct rsi_hw *adapter, + struct ieee80211_vif *vif) +{ + struct rsi_common *common = adapter->priv; + struct ieee80211_channel *channel; + + if (common->iface_down) + return; + if (!vif) + return; + + channel = vif->bss_conf.chandef.chan; + + if (!channel) + return; + + rsi_band_check(common, channel); + rsi_set_channel(common, channel); + rsi_dbg(INFO_ZONE, "Switched to channel - %d\n", channel->hw_value); +} + +/** + * rsi_mac80211_bss_info_changed() - This function is a handler for config + * requests related to BSS parameters that + * may vary during BSS's lifespan. + * @hw: Pointer to the ieee80211_hw structure. + * @vif: Pointer to the ieee80211_vif structure. + * @bss_conf: Pointer to the ieee80211_bss_conf structure. + * @changed: Changed flags set. + * + * Return: None. + */ +static void rsi_mac80211_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *bss_conf, + u64 changed) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct ieee80211_bss_conf *bss = &vif->bss_conf; + struct ieee80211_conf *conf = &hw->conf; + u16 rx_filter_word = 0; + + mutex_lock(&common->mutex); + if (changed & BSS_CHANGED_ASSOC) { + rsi_dbg(INFO_ZONE, "%s: Changed Association status: %d\n", + __func__, vif->cfg.assoc); + if (vif->cfg.assoc) { + /* Send the RX filter frame */ + rx_filter_word = (ALLOW_DATA_ASSOC_PEER | + ALLOW_CTRL_ASSOC_PEER | + ALLOW_MGMT_ASSOC_PEER); + rsi_send_rx_filter_frame(common, rx_filter_word); + } + rsi_inform_bss_status(common, + RSI_OPMODE_STA, + vif->cfg.assoc, + bss_conf->bssid, + bss_conf->qos, + vif->cfg.aid, + NULL, 0, + bss_conf->assoc_capability, vif); + adapter->ps_info.dtim_interval_duration = bss->dtim_period; + adapter->ps_info.listen_interval = conf->listen_interval; + + /* If U-APSD is updated, send ps parameters to firmware */ + if (vif->cfg.assoc) { + if (common->uapsd_bitmap) { + rsi_dbg(INFO_ZONE, "Configuring UAPSD\n"); + rsi_conf_uapsd(adapter, vif); + } + } else { + common->uapsd_bitmap = 0; + } + } + + if (changed & BSS_CHANGED_CQM) { + common->cqm_info.last_cqm_event_rssi = 0; + common->cqm_info.rssi_thold = bss_conf->cqm_rssi_thold; + common->cqm_info.rssi_hyst = bss_conf->cqm_rssi_hyst; + rsi_dbg(INFO_ZONE, "RSSI threshold & hysteresis are: %d %d\n", + common->cqm_info.rssi_thold, + common->cqm_info.rssi_hyst); + } + + if (changed & BSS_CHANGED_BEACON_INT) { + rsi_dbg(INFO_ZONE, "%s: Changed Beacon interval: %d\n", + __func__, bss_conf->beacon_int); + if (common->beacon_interval != bss->beacon_int) { + common->beacon_interval = bss->beacon_int; + if (vif->type == NL80211_IFTYPE_AP) { + struct vif_priv *vif_info = (struct vif_priv *)vif->drv_priv; + + rsi_set_vap_capabilities(common, RSI_OPMODE_AP, + vif->addr, vif_info->vap_id, + VAP_UPDATE); + } + } + adapter->ps_info.listen_interval = + bss->beacon_int * adapter->ps_info.num_bcns_per_lis_int; + } + + if ((changed & BSS_CHANGED_BEACON_ENABLED) && + ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO))) { + if (bss->enable_beacon) { + rsi_dbg(INFO_ZONE, "===> BEACON ENABLED <===\n"); + common->beacon_enabled = 1; + } else { + rsi_dbg(INFO_ZONE, "===> BEACON DISABLED <===\n"); + common->beacon_enabled = 0; + } + } + + mutex_unlock(&common->mutex); +} + +/** + * rsi_mac80211_conf_filter() - This function configure the device's RX filter. + * @hw: Pointer to the ieee80211_hw structure. + * @changed_flags: Changed flags set. + * @total_flags: Total initial flags set. + * @multicast: Multicast. + * + * Return: None. + */ +static void rsi_mac80211_conf_filter(struct ieee80211_hw *hw, + u32 changed_flags, + u32 *total_flags, + u64 multicast) +{ + /* Not doing much here as of now */ + *total_flags &= RSI_SUPP_FILTERS; +} + +/** + * rsi_mac80211_conf_tx() - This function configures TX queue parameters + * (EDCF (aifs, cw_min, cw_max), bursting) + * for a hardware TX queue. + * @hw: Pointer to the ieee80211_hw structure + * @vif: Pointer to the ieee80211_vif structure. + * @link_id: the link ID if MLO is used, otherwise 0 + * @queue: Queue number. + * @params: Pointer to ieee80211_tx_queue_params structure. + * + * Return: 0 on success, negative error code on failure. + */ +static int rsi_mac80211_conf_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + unsigned int link_id, u16 queue, + const struct ieee80211_tx_queue_params *params) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + u8 idx = 0; + + if (queue >= IEEE80211_NUM_ACS) + return 0; + + rsi_dbg(INFO_ZONE, + "%s: Conf queue %d, aifs: %d, cwmin: %d cwmax: %d, txop: %d\n", + __func__, queue, params->aifs, + params->cw_min, params->cw_max, params->txop); + + mutex_lock(&common->mutex); + /* Map into the way the f/w expects */ + switch (queue) { + case IEEE80211_AC_VO: + idx = VO_Q; + break; + case IEEE80211_AC_VI: + idx = VI_Q; + break; + case IEEE80211_AC_BE: + idx = BE_Q; + break; + case IEEE80211_AC_BK: + idx = BK_Q; + break; + default: + idx = BE_Q; + break; + } + + memcpy(&common->edca_params[idx], + params, + sizeof(struct ieee80211_tx_queue_params)); + + if (params->uapsd) + common->uapsd_bitmap |= idx; + else + common->uapsd_bitmap &= (~idx); + + mutex_unlock(&common->mutex); + + return 0; +} + +/** + * rsi_hal_key_config() - This function loads the keys into the firmware. + * @hw: Pointer to the ieee80211_hw structure. + * @vif: Pointer to the ieee80211_vif structure. + * @key: Pointer to the ieee80211_key_conf structure. + * @sta: Pointer to the ieee80211_sta structure. + * + * Return: status: 0 on success, negative error codes on failure. + */ +static int rsi_hal_key_config(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_key_conf *key, + struct ieee80211_sta *sta) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_sta *rsta = NULL; + int status; + u8 key_type; + s16 sta_id = 0; + + if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) + key_type = RSI_PAIRWISE_KEY; + else + key_type = RSI_GROUP_KEY; + + rsi_dbg(ERR_ZONE, "%s: Cipher 0x%x key_type: %d key_len: %d\n", + __func__, key->cipher, key_type, key->keylen); + + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) { + if (sta) { + rsta = rsi_find_sta(adapter->priv, sta->addr); + if (rsta) + sta_id = rsta->sta_id; + } + adapter->priv->key = key; + } else { + if ((key->cipher == WLAN_CIPHER_SUITE_WEP104) || + (key->cipher == WLAN_CIPHER_SUITE_WEP40)) { + status = rsi_hal_load_key(adapter->priv, + key->key, + key->keylen, + RSI_PAIRWISE_KEY, + key->keyidx, + key->cipher, + sta_id, + vif); + if (status) + return status; + } + } + + status = rsi_hal_load_key(adapter->priv, + key->key, + key->keylen, + key_type, + key->keyidx, + key->cipher, + sta_id, + vif); + if (status) + return status; + + if (vif->type == NL80211_IFTYPE_STATION && + (key->cipher == WLAN_CIPHER_SUITE_WEP104 || + key->cipher == WLAN_CIPHER_SUITE_WEP40)) { + if (!rsi_send_block_unblock_frame(adapter->priv, false)) + adapter->priv->hw_data_qs_blocked = false; + } + + return 0; +} + +/** + * rsi_mac80211_set_key() - This function sets type of key to be loaded. + * @hw: Pointer to the ieee80211_hw structure. + * @cmd: enum set_key_cmd. + * @vif: Pointer to the ieee80211_vif structure. + * @sta: Pointer to the ieee80211_sta structure. + * @key: Pointer to the ieee80211_key_conf structure. + * + * Return: status: 0 on success, negative error code on failure. + */ +static int rsi_mac80211_set_key(struct ieee80211_hw *hw, + enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct security_info *secinfo = &common->secinfo; + int status; + + mutex_lock(&common->mutex); + switch (cmd) { + case SET_KEY: + status = rsi_hal_key_config(hw, vif, key, sta); + if (status) { + mutex_unlock(&common->mutex); + return status; + } + + if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) + secinfo->ptk_cipher = key->cipher; + else + secinfo->gtk_cipher = key->cipher; + + key->hw_key_idx = key->keyidx; + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; + + rsi_dbg(ERR_ZONE, "%s: RSI set_key\n", __func__); + break; + + case DISABLE_KEY: + rsi_dbg(ERR_ZONE, "%s: RSI del key\n", __func__); + memset(key, 0, sizeof(struct ieee80211_key_conf)); + status = rsi_hal_key_config(hw, vif, key, sta); + break; + + default: + status = -EOPNOTSUPP; + break; + } + + mutex_unlock(&common->mutex); + return status; +} + +/** + * rsi_mac80211_ampdu_action() - This function selects the AMPDU action for + * the corresponding mlme_action flag and + * informs the f/w regarding this. + * @hw: Pointer to the ieee80211_hw structure. + * @vif: Pointer to the ieee80211_vif structure. + * @params: Pointer to A-MPDU action parameters + * + * Return: status: 0 on success, negative error code on failure. + */ +static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_ampdu_params *params) +{ + int status = -EOPNOTSUPP; + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct rsi_sta *rsta = NULL; + u16 seq_no = 0, seq_start = 0; + u8 ii = 0; + struct ieee80211_sta *sta = params->sta; + u8 sta_id = 0; + enum ieee80211_ampdu_mlme_action action = params->action; + u16 tid = params->tid; + u16 *ssn = ¶ms->ssn; + u8 buf_size = params->buf_size; + + for (ii = 0; ii < RSI_MAX_VIFS; ii++) { + if (vif == adapter->vifs[ii]) + break; + } + + if (ii >= RSI_MAX_VIFS) + return status; + + mutex_lock(&common->mutex); + + if (ssn != NULL) + seq_no = *ssn; + + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) { + rsta = rsi_find_sta(common, sta->addr); + if (!rsta) { + rsi_dbg(ERR_ZONE, "No station mapped\n"); + status = 0; + goto unlock; + } + sta_id = rsta->sta_id; + } + + rsi_dbg(INFO_ZONE, + "%s: AMPDU action tid=%d ssn=0x%x, buf_size=%d sta_id=%d\n", + __func__, tid, seq_no, buf_size, sta_id); + + switch (action) { + case IEEE80211_AMPDU_RX_START: + status = rsi_send_aggregation_params_frame(common, + tid, + seq_no, + buf_size, + STA_RX_ADDBA_DONE, + sta_id); + break; + + case IEEE80211_AMPDU_RX_STOP: + status = rsi_send_aggregation_params_frame(common, + tid, + 0, + buf_size, + STA_RX_DELBA, + sta_id); + break; + + case IEEE80211_AMPDU_TX_START: + if ((vif->type == NL80211_IFTYPE_STATION) || + (vif->type == NL80211_IFTYPE_P2P_CLIENT)) + common->vif_info[ii].seq_start = seq_no; + else if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) + rsta->seq_start[tid] = seq_no; + status = IEEE80211_AMPDU_TX_START_IMMEDIATE; + break; + + case IEEE80211_AMPDU_TX_STOP_CONT: + case IEEE80211_AMPDU_TX_STOP_FLUSH: + case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: + status = rsi_send_aggregation_params_frame(common, + tid, + seq_no, + buf_size, + STA_TX_DELBA, + sta_id); + if (!status) + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + + case IEEE80211_AMPDU_TX_OPERATIONAL: + if ((vif->type == NL80211_IFTYPE_STATION) || + (vif->type == NL80211_IFTYPE_P2P_CLIENT)) + seq_start = common->vif_info[ii].seq_start; + else if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) + seq_start = rsta->seq_start[tid]; + status = rsi_send_aggregation_params_frame(common, + tid, + seq_start, + buf_size, + STA_TX_ADDBA_DONE, + sta_id); + break; + + default: + rsi_dbg(ERR_ZONE, "%s: Unknown AMPDU action\n", __func__); + break; + } + +unlock: + mutex_unlock(&common->mutex); + return status; +} + +/** + * rsi_mac80211_set_rts_threshold() - This function sets rts threshold value. + * @hw: Pointer to the ieee80211_hw structure. + * @value: Rts threshold value. + * + * Return: 0 on success. + */ +static int rsi_mac80211_set_rts_threshold(struct ieee80211_hw *hw, + u32 value) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + mutex_lock(&common->mutex); + common->rts_threshold = value; + mutex_unlock(&common->mutex); + + return 0; +} + +/** + * rsi_mac80211_set_rate_mask() - This function sets bitrate_mask to be used. + * @hw: Pointer to the ieee80211_hw structure + * @vif: Pointer to the ieee80211_vif structure. + * @mask: Pointer to the cfg80211_bitrate_mask structure. + * + * Return: 0 on success. + */ +static int rsi_mac80211_set_rate_mask(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + const struct cfg80211_bitrate_mask *mask) +{ + const unsigned int mcs_offset = ARRAY_SIZE(rsi_rates); + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + int i; + + mutex_lock(&common->mutex); + + for (i = 0; i < ARRAY_SIZE(common->rate_config); i++) { + struct rsi_rate_config *cfg = &common->rate_config[i]; + u32 bm; + + bm = mask->control[i].legacy | (mask->control[i].ht_mcs[0] << mcs_offset); + if (hweight32(bm) == 1) { /* single rate */ + int rate_index = ffs(bm) - 1; + + if (rate_index < mcs_offset) + cfg->fixed_hw_rate = rsi_rates[rate_index].hw_value; + else + cfg->fixed_hw_rate = rsi_mcsrates[rate_index - mcs_offset]; + cfg->fixed_enabled = true; + } else { + cfg->configured_mask = bm; + cfg->fixed_enabled = false; + } + } + + mutex_unlock(&common->mutex); + + return 0; +} + +/** + * rsi_perform_cqm() - This function performs cqm. + * @common: Pointer to the driver private structure. + * @bssid: pointer to the bssid. + * @rssi: RSSI value. + * @vif: Pointer to the ieee80211_vif structure. + */ +static void rsi_perform_cqm(struct rsi_common *common, + u8 *bssid, + s8 rssi, + struct ieee80211_vif *vif) +{ + s8 last_event = common->cqm_info.last_cqm_event_rssi; + int thold = common->cqm_info.rssi_thold; + u32 hyst = common->cqm_info.rssi_hyst; + enum nl80211_cqm_rssi_threshold_event event; + + if (rssi < thold && (last_event == 0 || rssi < (last_event - hyst))) + event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; + else if (rssi > thold && + (last_event == 0 || rssi > (last_event + hyst))) + event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; + else + return; + + common->cqm_info.last_cqm_event_rssi = rssi; + rsi_dbg(INFO_ZONE, "CQM: Notifying event: %d\n", event); + ieee80211_cqm_rssi_notify(vif, event, rssi, GFP_KERNEL); + + return; +} + +/** + * rsi_fill_rx_status() - This function fills rx status in + * ieee80211_rx_status structure. + * @hw: Pointer to the ieee80211_hw structure. + * @skb: Pointer to the socket buffer structure. + * @common: Pointer to the driver private structure. + * @rxs: Pointer to the ieee80211_rx_status structure. + * + * Return: None. + */ +static void rsi_fill_rx_status(struct ieee80211_hw *hw, + struct sk_buff *skb, + struct rsi_common *common, + struct ieee80211_rx_status *rxs) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_vif *vif; + struct ieee80211_bss_conf *bss = NULL; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct skb_info *rx_params = (struct skb_info *)info->driver_data; + struct ieee80211_hdr *hdr; + char rssi = rx_params->rssi; + u8 hdrlen = 0; + u8 channel = rx_params->channel; + s32 freq; + int i; + + hdr = ((struct ieee80211_hdr *)(skb->data)); + hdrlen = ieee80211_hdrlen(hdr->frame_control); + + memset(info, 0, sizeof(struct ieee80211_tx_info)); + + rxs->signal = -(rssi); + + rxs->band = common->band; + + freq = ieee80211_channel_to_frequency(channel, rxs->band); + + if (freq) + rxs->freq = freq; + + if (ieee80211_has_protected(hdr->frame_control)) { + if (rsi_is_cipher_wep(common)) { + memmove(skb->data + 4, skb->data, hdrlen); + skb_pull(skb, 4); + } else { + memmove(skb->data + 8, skb->data, hdrlen); + skb_pull(skb, 8); + rxs->flag |= RX_FLAG_MMIC_STRIPPED; + } + rxs->flag |= RX_FLAG_DECRYPTED; + rxs->flag |= RX_FLAG_IV_STRIPPED; + } + + for (i = 0; i < RSI_MAX_VIFS; i++) { + vif = adapter->vifs[i]; + if (!vif) + continue; + if (vif->type == NL80211_IFTYPE_STATION) { + bss = &vif->bss_conf; + break; + } + } + if (!bss) + return; + /* CQM only for connected AP beacons, the RSSI is a weighted avg */ + if (vif->cfg.assoc && !(memcmp(bss->bssid, hdr->addr2, ETH_ALEN))) { + if (ieee80211_is_beacon(hdr->frame_control)) + rsi_perform_cqm(common, hdr->addr2, rxs->signal, vif); + } + + return; +} + +/** + * rsi_indicate_pkt_to_os() - This function sends received packet to mac80211. + * @common: Pointer to the driver private structure. + * @skb: Pointer to the socket buffer structure. + * + * Return: None. + */ +void rsi_indicate_pkt_to_os(struct rsi_common *common, + struct sk_buff *skb) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_hw *hw = adapter->hw; + struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); + + if ((common->iface_down) || (!adapter->sc_nvifs)) { + dev_kfree_skb(skb); + return; + } + + /* filling in the ieee80211_rx_status flags */ + rsi_fill_rx_status(hw, skb, common, rx_status); + + ieee80211_rx_irqsafe(hw, skb); +} + +/** + * rsi_mac80211_sta_add() - This function notifies driver about a peer getting + * connected. + * @hw: pointer to the ieee80211_hw structure. + * @vif: Pointer to the ieee80211_vif structure. + * @sta: Pointer to the ieee80211_sta structure. + * + * Return: 0 on success, negative error codes on failure. + */ +static int rsi_mac80211_sta_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + bool sta_exist = false; + struct rsi_sta *rsta; + int status = 0; + + rsi_dbg(INFO_ZONE, "Station Add: %pM\n", sta->addr); + + mutex_lock(&common->mutex); + + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) { + u8 cnt; + int sta_idx = -1; + int free_index = -1; + + /* Check if max stations reached */ + if (common->num_stations >= common->max_stations) { + rsi_dbg(ERR_ZONE, "Reject: Max Stations exists\n"); + status = -EOPNOTSUPP; + goto unlock; + } + for (cnt = 0; cnt < common->max_stations; cnt++) { + rsta = &common->stations[cnt]; + + if (!rsta->sta) { + if (free_index < 0) + free_index = cnt; + continue; + } + if (!memcmp(rsta->sta->addr, sta->addr, ETH_ALEN)) { + rsi_dbg(INFO_ZONE, "Station exists\n"); + sta_idx = cnt; + sta_exist = true; + break; + } + } + if (!sta_exist) { + if (free_index >= 0) + sta_idx = free_index; + } + if (sta_idx < 0) { + rsi_dbg(ERR_ZONE, + "%s: Some problem reaching here...\n", + __func__); + status = -EINVAL; + goto unlock; + } + rsta = &common->stations[sta_idx]; + rsta->sta = sta; + rsta->sta_id = sta_idx; + for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++) + rsta->start_tx_aggr[cnt] = false; + for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++) + rsta->seq_start[cnt] = 0; + if (!sta_exist) { + rsi_dbg(INFO_ZONE, "New Station\n"); + + /* Send peer notify to device */ + rsi_dbg(INFO_ZONE, "Indicate bss status to device\n"); + rsi_inform_bss_status(common, RSI_OPMODE_AP, 1, + sta->addr, sta->wme, sta->aid, + sta, sta_idx, 0, vif); + + if (common->key) { + struct ieee80211_key_conf *key = common->key; + + if ((key->cipher == WLAN_CIPHER_SUITE_WEP104) || + (key->cipher == WLAN_CIPHER_SUITE_WEP40)) + rsi_hal_load_key(adapter->priv, + key->key, + key->keylen, + RSI_PAIRWISE_KEY, + key->keyidx, + key->cipher, + sta_idx, + vif); + } + + common->num_stations++; + } + } + + if ((vif->type == NL80211_IFTYPE_STATION) || + (vif->type == NL80211_IFTYPE_P2P_CLIENT)) { + common->bitrate_mask[common->band] = sta->deflink.supp_rates[common->band]; + common->vif_info[0].is_ht = sta->deflink.ht_cap.ht_supported; + if (sta->deflink.ht_cap.ht_supported) { + common->bitrate_mask[NL80211_BAND_2GHZ] = + sta->deflink.supp_rates[NL80211_BAND_2GHZ]; + if ((sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20) || + (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) + common->vif_info[0].sgi = true; + ieee80211_start_tx_ba_session(sta, 0, 0); + } + } + +unlock: + mutex_unlock(&common->mutex); + + return status; +} + +/** + * rsi_mac80211_sta_remove() - This function notifies driver about a peer + * getting disconnected. + * @hw: Pointer to the ieee80211_hw structure. + * @vif: Pointer to the ieee80211_vif structure. + * @sta: Pointer to the ieee80211_sta structure. + * + * Return: 0 on success, negative error codes on failure. + */ +static int rsi_mac80211_sta_remove(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + struct ieee80211_bss_conf *bss = &vif->bss_conf; + struct rsi_sta *rsta; + + rsi_dbg(INFO_ZONE, "Station Remove: %pM\n", sta->addr); + + mutex_lock(&common->mutex); + + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) { + u8 sta_idx, cnt; + + /* Send peer notify to device */ + rsi_dbg(INFO_ZONE, "Indicate bss status to device\n"); + for (sta_idx = 0; sta_idx < common->max_stations; sta_idx++) { + rsta = &common->stations[sta_idx]; + + if (!rsta->sta) + continue; + if (!memcmp(rsta->sta->addr, sta->addr, ETH_ALEN)) { + rsi_inform_bss_status(common, RSI_OPMODE_AP, 0, + sta->addr, sta->wme, + sta->aid, sta, sta_idx, + 0, vif); + rsta->sta = NULL; + rsta->sta_id = -1; + for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++) + rsta->start_tx_aggr[cnt] = false; + if (common->num_stations > 0) + common->num_stations--; + break; + } + } + if (sta_idx >= common->max_stations) + rsi_dbg(ERR_ZONE, "%s: No station found\n", __func__); + } + + if ((vif->type == NL80211_IFTYPE_STATION) || + (vif->type == NL80211_IFTYPE_P2P_CLIENT)) { + /* Resetting all the fields to default values */ + memcpy((u8 *)bss->bssid, (u8 *)sta->addr, ETH_ALEN); + bss->qos = sta->wme; + common->bitrate_mask[NL80211_BAND_2GHZ] = 0; + common->bitrate_mask[NL80211_BAND_5GHZ] = 0; + common->vif_info[0].is_ht = false; + common->vif_info[0].sgi = false; + common->vif_info[0].seq_start = 0; + common->secinfo.ptk_cipher = 0; + common->secinfo.gtk_cipher = 0; + if (!common->iface_down) + rsi_send_rx_filter_frame(common, 0); + } + mutex_unlock(&common->mutex); + + return 0; +} + +/** + * rsi_mac80211_set_antenna() - This function is used to configure + * tx and rx antennas. + * @hw: Pointer to the ieee80211_hw structure. + * @tx_ant: Bitmap for tx antenna + * @rx_ant: Bitmap for rx antenna + * + * Return: 0 on success, Negative error code on failure. + */ +static int rsi_mac80211_set_antenna(struct ieee80211_hw *hw, + u32 tx_ant, u32 rx_ant) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + u8 antenna = 0; + + if (tx_ant > 1 || rx_ant > 1) { + rsi_dbg(ERR_ZONE, + "Invalid antenna selection (tx: %d, rx:%d)\n", + tx_ant, rx_ant); + rsi_dbg(ERR_ZONE, + "Use 0 for int_ant, 1 for ext_ant\n"); + return -EINVAL; + } + + rsi_dbg(INFO_ZONE, "%s: Antenna map Tx %x Rx %d\n", + __func__, tx_ant, rx_ant); + + mutex_lock(&common->mutex); + + antenna = tx_ant ? ANTENNA_SEL_UFL : ANTENNA_SEL_INT; + if (common->ant_in_use != antenna) + if (rsi_set_antenna(common, antenna)) + goto fail_set_antenna; + + rsi_dbg(INFO_ZONE, "(%s) Antenna path configured successfully\n", + tx_ant ? "UFL" : "INT"); + + common->ant_in_use = antenna; + + mutex_unlock(&common->mutex); + + return 0; + +fail_set_antenna: + rsi_dbg(ERR_ZONE, "%s: Failed.\n", __func__); + mutex_unlock(&common->mutex); + return -EINVAL; +} + +/** + * rsi_mac80211_get_antenna() - This function is used to configure + * tx and rx antennas. + * + * @hw: Pointer to the ieee80211_hw structure. + * @tx_ant: Bitmap for tx antenna + * @rx_ant: Bitmap for rx antenna + * + * Return: 0 on success, negative error codes on failure. + */ +static int rsi_mac80211_get_antenna(struct ieee80211_hw *hw, + u32 *tx_ant, u32 *rx_ant) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + mutex_lock(&common->mutex); + + *tx_ant = (common->ant_in_use == ANTENNA_SEL_UFL) ? 1 : 0; + *rx_ant = 0; + + mutex_unlock(&common->mutex); + + return 0; +} + +static int rsi_map_region_code(enum nl80211_dfs_regions region_code) +{ + switch (region_code) { + case NL80211_DFS_FCC: + return RSI_REGION_FCC; + case NL80211_DFS_ETSI: + return RSI_REGION_ETSI; + case NL80211_DFS_JP: + return RSI_REGION_TELEC; + case NL80211_DFS_UNSET: + return RSI_REGION_WORLD; + } + return RSI_REGION_WORLD; +} + +static void rsi_reg_notify(struct wiphy *wiphy, + struct regulatory_request *request) +{ + struct ieee80211_supported_band *sband; + struct ieee80211_channel *ch; + struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); + struct rsi_hw * adapter = hw->priv; + struct rsi_common *common = adapter->priv; + int i; + + mutex_lock(&common->mutex); + + rsi_dbg(INFO_ZONE, "country = %s dfs_region = %d\n", + request->alpha2, request->dfs_region); + + if (common->num_supp_bands > 1) { + sband = wiphy->bands[NL80211_BAND_5GHZ]; + + for (i = 0; i < sband->n_channels; i++) { + ch = &sband->channels[i]; + if (ch->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (ch->flags & IEEE80211_CHAN_RADAR) + ch->flags |= IEEE80211_CHAN_NO_IR; + } + } + adapter->dfs_region = rsi_map_region_code(request->dfs_region); + rsi_dbg(INFO_ZONE, "RSI region code = %d\n", adapter->dfs_region); + + adapter->country[0] = request->alpha2[0]; + adapter->country[1] = request->alpha2[1]; + + mutex_unlock(&common->mutex); +} + +static void rsi_mac80211_rfkill_poll(struct ieee80211_hw *hw) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + mutex_lock(&common->mutex); + if (common->fsm_state != FSM_MAC_INIT_DONE) + wiphy_rfkill_set_hw_state(hw->wiphy, true); + else + wiphy_rfkill_set_hw_state(hw->wiphy, false); + mutex_unlock(&common->mutex); +} + +static void rsi_resume_conn_channel(struct rsi_common *common) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_vif *vif; + int cnt; + + for (cnt = 0; cnt < RSI_MAX_VIFS; cnt++) { + vif = adapter->vifs[cnt]; + if (!vif) + continue; + + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) { + rsi_switch_channel(adapter, vif); + break; + } + if (((vif->type == NL80211_IFTYPE_STATION) || + (vif->type == NL80211_IFTYPE_P2P_CLIENT)) && + vif->cfg.assoc) { + rsi_switch_channel(adapter, vif); + break; + } + } +} + +void rsi_roc_timeout(struct timer_list *t) +{ + struct rsi_common *common = from_timer(common, t, roc_timer); + + rsi_dbg(INFO_ZONE, "Remain on channel expired\n"); + + mutex_lock(&common->mutex); + ieee80211_remain_on_channel_expired(common->priv->hw); + + if (timer_pending(&common->roc_timer)) + del_timer(&common->roc_timer); + + rsi_resume_conn_channel(common); + mutex_unlock(&common->mutex); +} + +static int rsi_mac80211_roc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_channel *chan, int duration, + enum ieee80211_roc_type type) +{ + struct rsi_hw *adapter = (struct rsi_hw *)hw->priv; + struct rsi_common *common = (struct rsi_common *)adapter->priv; + int status = 0; + + rsi_dbg(INFO_ZONE, "***** Remain on channel *****\n"); + + mutex_lock(&common->mutex); + rsi_dbg(INFO_ZONE, "%s: channel: %d duration: %dms\n", + __func__, chan->hw_value, duration); + + if (timer_pending(&common->roc_timer)) { + rsi_dbg(INFO_ZONE, "Stop on-going ROC\n"); + del_timer(&common->roc_timer); + } + common->roc_timer.expires = msecs_to_jiffies(duration) + jiffies; + add_timer(&common->roc_timer); + + /* Configure band */ + if (rsi_band_check(common, chan)) { + rsi_dbg(ERR_ZONE, "Failed to set band\n"); + status = -EINVAL; + goto out; + } + + /* Configure channel */ + if (rsi_set_channel(common, chan)) { + rsi_dbg(ERR_ZONE, "Failed to set the channel\n"); + status = -EINVAL; + goto out; + } + + common->roc_vif = vif; + ieee80211_ready_on_channel(hw); + rsi_dbg(INFO_ZONE, "%s: Ready on channel :%d\n", + __func__, chan->hw_value); + +out: + mutex_unlock(&common->mutex); + + return status; +} + +static int rsi_mac80211_cancel_roc(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + rsi_dbg(INFO_ZONE, "Cancel remain on channel\n"); + + mutex_lock(&common->mutex); + if (!timer_pending(&common->roc_timer)) { + mutex_unlock(&common->mutex); + return 0; + } + + del_timer(&common->roc_timer); + + rsi_resume_conn_channel(common); + mutex_unlock(&common->mutex); + + return 0; +} + +#ifdef CONFIG_PM +static const struct wiphy_wowlan_support rsi_wowlan_support = { + .flags = WIPHY_WOWLAN_ANY | + WIPHY_WOWLAN_MAGIC_PKT | + WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_GTK_REKEY_FAILURE | + WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_EAP_IDENTITY_REQ | + WIPHY_WOWLAN_4WAY_HANDSHAKE, +}; + +static u16 rsi_wow_map_triggers(struct rsi_common *common, + struct cfg80211_wowlan *wowlan) +{ + u16 wow_triggers = 0; + + rsi_dbg(INFO_ZONE, "Mapping wowlan triggers\n"); + + if (wowlan->any) + wow_triggers |= RSI_WOW_ANY; + if (wowlan->magic_pkt) + wow_triggers |= RSI_WOW_MAGIC_PKT; + if (wowlan->disconnect) + wow_triggers |= RSI_WOW_DISCONNECT; + if (wowlan->gtk_rekey_failure || wowlan->eap_identity_req || + wowlan->four_way_handshake) + wow_triggers |= RSI_WOW_GTK_REKEY; + + return wow_triggers; +} + +int rsi_config_wowlan(struct rsi_hw *adapter, struct cfg80211_wowlan *wowlan) +{ + struct rsi_common *common = adapter->priv; + struct ieee80211_vif *vif = adapter->vifs[0]; + u16 triggers = 0; + u16 rx_filter_word = 0; + + rsi_dbg(INFO_ZONE, "Config WoWLAN to device\n"); + + if (!vif) + return -EINVAL; + + if (WARN_ON(!wowlan)) { + rsi_dbg(ERR_ZONE, "WoW triggers not enabled\n"); + return -EINVAL; + } + + common->wow_flags |= RSI_WOW_ENABLED; + triggers = rsi_wow_map_triggers(common, wowlan); + if (!triggers) { + rsi_dbg(ERR_ZONE, "%s:No valid WoW triggers\n", __func__); + return -EINVAL; + } + if (!vif->cfg.assoc) { + rsi_dbg(ERR_ZONE, + "Cannot configure WoWLAN (Station not connected)\n"); + common->wow_flags |= RSI_WOW_NO_CONNECTION; + return 0; + } + rsi_dbg(INFO_ZONE, "TRIGGERS %x\n", triggers); + + if (common->coex_mode > 1) + rsi_disable_ps(adapter, adapter->vifs[0]); + + rsi_send_wowlan_request(common, triggers, 1); + + /** + * Increase the beacon_miss threshold & keep-alive timers in + * vap_update frame + */ + rsi_send_vap_dynamic_update(common); + + rx_filter_word = (ALLOW_DATA_ASSOC_PEER | DISALLOW_BEACONS); + rsi_send_rx_filter_frame(common, rx_filter_word); + + return 0; +} +EXPORT_SYMBOL(rsi_config_wowlan); + +static int rsi_mac80211_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wowlan) +{ + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + rsi_dbg(INFO_ZONE, "%s: mac80211 suspend\n", __func__); + mutex_lock(&common->mutex); + if (rsi_config_wowlan(adapter, wowlan)) { + rsi_dbg(ERR_ZONE, "Failed to configure WoWLAN\n"); + mutex_unlock(&common->mutex); + return 1; + } + mutex_unlock(&common->mutex); + + return 0; +} + +static int rsi_mac80211_resume(struct ieee80211_hw *hw) +{ + u16 rx_filter_word = 0; + struct rsi_hw *adapter = hw->priv; + struct rsi_common *common = adapter->priv; + + common->wow_flags = 0; + + rsi_dbg(INFO_ZONE, "%s: mac80211 resume\n", __func__); + + if (common->hibernate_resume) { + common->mac_ops_resumed = true; + /* Device need a complete restart of all MAC operations. + * returning 1 will serve this purpose. + */ + return 1; + } + + mutex_lock(&common->mutex); + rsi_send_wowlan_request(common, 0, 0); + + rx_filter_word = (ALLOW_DATA_ASSOC_PEER | ALLOW_CTRL_ASSOC_PEER | + ALLOW_MGMT_ASSOC_PEER); + rsi_send_rx_filter_frame(common, rx_filter_word); + mutex_unlock(&common->mutex); + + return 0; +} + +#endif + +static const struct ieee80211_ops mac80211_ops = { + .tx = rsi_mac80211_tx, + .start = rsi_mac80211_start, + .stop = rsi_mac80211_stop, + .add_interface = rsi_mac80211_add_interface, + .remove_interface = rsi_mac80211_remove_interface, + .config = rsi_mac80211_config, + .bss_info_changed = rsi_mac80211_bss_info_changed, + .conf_tx = rsi_mac80211_conf_tx, + .configure_filter = rsi_mac80211_conf_filter, + .set_key = rsi_mac80211_set_key, + .set_rts_threshold = rsi_mac80211_set_rts_threshold, + .set_bitrate_mask = rsi_mac80211_set_rate_mask, + .ampdu_action = rsi_mac80211_ampdu_action, + .sta_add = rsi_mac80211_sta_add, + .sta_remove = rsi_mac80211_sta_remove, + .set_antenna = rsi_mac80211_set_antenna, + .get_antenna = rsi_mac80211_get_antenna, + .rfkill_poll = rsi_mac80211_rfkill_poll, + .remain_on_channel = rsi_mac80211_roc, + .cancel_remain_on_channel = rsi_mac80211_cancel_roc, +#ifdef CONFIG_PM + .suspend = rsi_mac80211_suspend, + .resume = rsi_mac80211_resume, +#endif + .hw_scan = rsi_mac80211_hw_scan_start, + .cancel_hw_scan = rsi_mac80211_cancel_hw_scan, +}; + +/** + * rsi_mac80211_attach() - This function is used to initialize Mac80211 stack. + * @common: Pointer to the driver private structure. + * + * Return: 0 on success, negative error codes on failure. + */ +int rsi_mac80211_attach(struct rsi_common *common) +{ + int status = 0; + struct ieee80211_hw *hw = NULL; + struct wiphy *wiphy = NULL; + struct rsi_hw *adapter = common->priv; + u8 addr_mask[ETH_ALEN] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x3}; + + rsi_dbg(INIT_ZONE, "%s: Performing mac80211 attach\n", __func__); + + hw = ieee80211_alloc_hw(sizeof(struct rsi_hw), &mac80211_ops); + if (!hw) { + rsi_dbg(ERR_ZONE, "%s: ieee80211 hw alloc failed\n", __func__); + return -ENOMEM; + } + + wiphy = hw->wiphy; + + SET_IEEE80211_DEV(hw, adapter->device); + + hw->priv = adapter; + adapter->hw = hw; + + ieee80211_hw_set(hw, SIGNAL_DBM); + ieee80211_hw_set(hw, HAS_RATE_CONTROL); + ieee80211_hw_set(hw, AMPDU_AGGREGATION); + ieee80211_hw_set(hw, SUPPORTS_PS); + ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); + + hw->queues = MAX_HW_QUEUES; + hw->extra_tx_headroom = RSI_NEEDED_HEADROOM; + + hw->max_rates = 1; + hw->max_rate_tries = MAX_RETRIES; + hw->uapsd_queues = RSI_IEEE80211_UAPSD_QUEUES; + hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL; + + hw->max_tx_aggregation_subframes = RSI_MAX_TX_AGGR_FRMS; + hw->max_rx_aggregation_subframes = RSI_MAX_RX_AGGR_FRMS; + hw->rate_control_algorithm = "AARF"; + + SET_IEEE80211_PERM_ADDR(hw, common->mac_addr); + ether_addr_copy(hw->wiphy->addr_mask, addr_mask); + + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_DEVICE) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO); + + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + wiphy->retry_short = RETRY_SHORT; + wiphy->retry_long = RETRY_LONG; + wiphy->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD; + wiphy->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; + wiphy->flags = 0; + + wiphy->available_antennas_rx = 1; + wiphy->available_antennas_tx = 1; + + status = rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ); + if (status) + return status; + wiphy->bands[NL80211_BAND_2GHZ] = + &adapter->sbands[NL80211_BAND_2GHZ]; + if (common->num_supp_bands > 1) { + status = rsi_register_rates_channels(adapter, + NL80211_BAND_5GHZ); + if (status) + return status; + wiphy->bands[NL80211_BAND_5GHZ] = + &adapter->sbands[NL80211_BAND_5GHZ]; + } + + /* AP Parameters */ + wiphy->max_ap_assoc_sta = rsi_max_ap_stas[common->oper_mode - 1]; + common->max_stations = wiphy->max_ap_assoc_sta; + rsi_dbg(ERR_ZONE, "Max Stations Allowed = %d\n", common->max_stations); + hw->sta_data_size = sizeof(struct rsi_sta); + + wiphy->max_scan_ssids = RSI_MAX_SCAN_SSIDS; + wiphy->max_scan_ie_len = RSI_MAX_SCAN_IE_LEN; + wiphy->flags = WIPHY_FLAG_REPORTS_OBSS; + wiphy->flags |= WIPHY_FLAG_AP_UAPSD; + wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; + wiphy->reg_notifier = rsi_reg_notify; + +#ifdef CONFIG_PM + wiphy->wowlan = &rsi_wowlan_support; +#endif + + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); + + /* Wi-Fi direct parameters */ + wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; + wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX; + wiphy->max_remain_on_channel_duration = 10000; + hw->max_listen_interval = 10; + wiphy->iface_combinations = rsi_iface_combinations; + wiphy->n_iface_combinations = ARRAY_SIZE(rsi_iface_combinations); + + if (common->coex_mode > 1) + wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; + + status = ieee80211_register_hw(hw); + if (status) + return status; + + return rsi_init_dbgfs(adapter); +} |