iwlwifi: move under intel vendor directory

Part of reorganising wireless drivers directory and Kconfig.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 0 insertions, 1655 deletions

diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
deleted file mode 100644
index b3ad34e8bf5a..000000000000
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ /dev/null
@@ -1,1655 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
- *
- * Portions of this file are derived from the ipw3945 project, as well
- * as portions of the ieee80211 subsystem header files.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- *  Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- *****************************************************************************/
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/dma-mapping.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-
-#include <net/ieee80211_radiotap.h>
-#include <net/mac80211.h>
-
-#include <asm/div64.h>
-
-#include "iwl-io.h"
-#include "iwl-trans.h"
-#include "iwl-op-mode.h"
-#include "iwl-modparams.h"
-
-#include "dev.h"
-#include "calib.h"
-#include "agn.h"
-
-/*****************************************************************************
- *
- * mac80211 entry point functions
- *
- *****************************************************************************/
-
-static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = {
-	{
-		.max = 1,
-		.types = BIT(NL80211_IFTYPE_STATION),
-	},
-	{
-		.max = 1,
-		.types = BIT(NL80211_IFTYPE_AP),
-	},
-};
-
-static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = {
-	{
-		.max = 2,
-		.types = BIT(NL80211_IFTYPE_STATION),
-	},
-};
-
-static const struct ieee80211_iface_combination
-iwlagn_iface_combinations_dualmode[] = {
-	{ .num_different_channels = 1,
-	  .max_interfaces = 2,
-	  .beacon_int_infra_match = true,
-	  .limits = iwlagn_sta_ap_limits,
-	  .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits),
-	},
-	{ .num_different_channels = 1,
-	  .max_interfaces = 2,
-	  .limits = iwlagn_2sta_limits,
-	  .n_limits = ARRAY_SIZE(iwlagn_2sta_limits),
-	},
-};
-
-/*
- * Not a mac80211 entry point function, but it fits in with all the
- * other mac80211 functions grouped here.
- */
-int iwlagn_mac_setup_register(struct iwl_priv *priv,
-			      const struct iwl_ucode_capabilities *capa)
-{
-	int ret;
-	struct ieee80211_hw *hw = priv->hw;
-	struct iwl_rxon_context *ctx;
-
-	hw->rate_control_algorithm = "iwl-agn-rs";
-
-	/* Tell mac80211 our characteristics */
-	ieee80211_hw_set(hw, SIGNAL_DBM);
-	ieee80211_hw_set(hw, AMPDU_AGGREGATION);
-	ieee80211_hw_set(hw, NEED_DTIM_BEFORE_ASSOC);
-	ieee80211_hw_set(hw, SPECTRUM_MGMT);
-	ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
-	ieee80211_hw_set(hw, QUEUE_CONTROL);
-	ieee80211_hw_set(hw, SUPPORTS_PS);
-	ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
-	ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
-	ieee80211_hw_set(hw, WANT_MONITOR_VIF);
-
-	hw->offchannel_tx_hw_queue = IWL_AUX_QUEUE;
-	hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FMT;
-
-	/*
-	 * Including the following line will crash some AP's.  This
-	 * workaround removes the stimulus which causes the crash until
-	 * the AP software can be fixed.
-	hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
-	 */
-
-	if (priv->nvm_data->sku_cap_11n_enable)
-		hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS |
-				       NL80211_FEATURE_STATIC_SMPS;
-
-	/*
-	 * Enable 11w if advertised by firmware and software crypto
-	 * is not enabled (as the firmware will interpret some mgmt
-	 * packets, so enabling it with software crypto isn't safe)
-	 */
-	if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_MFP &&
-	    !iwlwifi_mod_params.sw_crypto)
-		ieee80211_hw_set(hw, MFP_CAPABLE);
-
-	hw->sta_data_size = sizeof(struct iwl_station_priv);
-	hw->vif_data_size = sizeof(struct iwl_vif_priv);
-
-	for_each_context(priv, ctx) {
-		hw->wiphy->interface_modes |= ctx->interface_modes;
-		hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
-	}
-
-	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
-
-	if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
-		hw->wiphy->iface_combinations =
-			iwlagn_iface_combinations_dualmode;
-		hw->wiphy->n_iface_combinations =
-			ARRAY_SIZE(iwlagn_iface_combinations_dualmode);
-	}
-
-	hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
-	hw->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
-				       REGULATORY_DISABLE_BEACON_HINTS;
-
-#ifdef CONFIG_PM_SLEEP
-	if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
-	    priv->trans->ops->d3_suspend &&
-	    priv->trans->ops->d3_resume &&
-	    device_can_wakeup(priv->trans->dev)) {
-		priv->wowlan_support.flags = WIPHY_WOWLAN_MAGIC_PKT |
-					     WIPHY_WOWLAN_DISCONNECT |
-					     WIPHY_WOWLAN_EAP_IDENTITY_REQ |
-					     WIPHY_WOWLAN_RFKILL_RELEASE;
-		if (!iwlwifi_mod_params.sw_crypto)
-			priv->wowlan_support.flags |=
-				WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
-				WIPHY_WOWLAN_GTK_REKEY_FAILURE;
-
-		priv->wowlan_support.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS;
-		priv->wowlan_support.pattern_min_len =
-					IWLAGN_WOWLAN_MIN_PATTERN_LEN;
-		priv->wowlan_support.pattern_max_len =
-					IWLAGN_WOWLAN_MAX_PATTERN_LEN;
-		hw->wiphy->wowlan = &priv->wowlan_support;
-	}
-#endif
-
-	if (iwlwifi_mod_params.power_save)
-		hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
-	else
-		hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
-
-	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
-	/* we create the 802.11 header and a max-length SSID element */
-	hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 34;
-
-	/*
-	 * We don't use all queues: 4 and 9 are unused and any
-	 * aggregation queue gets mapped down to the AC queue.
-	 */
-	hw->queues = IWLAGN_FIRST_AMPDU_QUEUE;
-
-	hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
-
-	if (priv->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels)
-		priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
-			&priv->nvm_data->bands[IEEE80211_BAND_2GHZ];
-	if (priv->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels)
-		priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
-			&priv->nvm_data->bands[IEEE80211_BAND_5GHZ];
-
-	hw->wiphy->hw_version = priv->trans->hw_id;
-
-	iwl_leds_init(priv);
-
-	ret = ieee80211_register_hw(priv->hw);
-	if (ret) {
-		IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
-		iwl_leds_exit(priv);
-		return ret;
-	}
-	priv->mac80211_registered = 1;
-
-	return 0;
-}
-
-void iwlagn_mac_unregister(struct iwl_priv *priv)
-{
-	if (!priv->mac80211_registered)
-		return;
-	iwl_leds_exit(priv);
-	ieee80211_unregister_hw(priv->hw);
-	priv->mac80211_registered = 0;
-}
-
-static int __iwl_up(struct iwl_priv *priv)
-{
-	struct iwl_rxon_context *ctx;
-	int ret;
-
-	lockdep_assert_held(&priv->mutex);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
-		IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
-		return -EIO;
-	}
-
-	for_each_context(priv, ctx) {
-		ret = iwlagn_alloc_bcast_station(priv, ctx);
-		if (ret) {
-			iwl_dealloc_bcast_stations(priv);
-			return ret;
-		}
-	}
-
-	ret = iwl_trans_start_hw(priv->trans);
-	if (ret) {
-		IWL_ERR(priv, "Failed to start HW: %d\n", ret);
-		goto error;
-	}
-
-	ret = iwl_run_init_ucode(priv);
-	if (ret) {
-		IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret);
-		goto error;
-	}
-
-	ret = iwl_trans_start_hw(priv->trans);
-	if (ret) {
-		IWL_ERR(priv, "Failed to start HW: %d\n", ret);
-		goto error;
-	}
-
-	ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR);
-	if (ret) {
-		IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret);
-		goto error;
-	}
-
-	ret = iwl_alive_start(priv);
-	if (ret)
-		goto error;
-	return 0;
-
- error:
-	set_bit(STATUS_EXIT_PENDING, &priv->status);
-	iwl_down(priv);
-	clear_bit(STATUS_EXIT_PENDING, &priv->status);
-
-	IWL_ERR(priv, "Unable to initialize device.\n");
-	return ret;
-}
-
-static int iwlagn_mac_start(struct ieee80211_hw *hw)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	int ret;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	/* we should be verifying the device is ready to be opened */
-	mutex_lock(&priv->mutex);
-	ret = __iwl_up(priv);
-	mutex_unlock(&priv->mutex);
-	if (ret)
-		return ret;
-
-	IWL_DEBUG_INFO(priv, "Start UP work done.\n");
-
-	/* Now we should be done, and the READY bit should be set. */
-	if (WARN_ON(!test_bit(STATUS_READY, &priv->status)))
-		ret = -EIO;
-
-	iwlagn_led_enable(priv);
-
-	priv->is_open = 1;
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-	return 0;
-}
-
-static void iwlagn_mac_stop(struct ieee80211_hw *hw)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	if (!priv->is_open)
-		return;
-
-	priv->is_open = 0;
-
-	mutex_lock(&priv->mutex);
-	iwl_down(priv);
-	mutex_unlock(&priv->mutex);
-
-	iwl_cancel_deferred_work(priv);
-
-	flush_workqueue(priv->workqueue);
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-}
-
-static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw,
-				      struct ieee80211_vif *vif,
-				      struct cfg80211_gtk_rekey_data *data)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-
-	if (iwlwifi_mod_params.sw_crypto)
-		return;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-	mutex_lock(&priv->mutex);
-
-	if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif)
-		goto out;
-
-	memcpy(priv->kek, data->kek, NL80211_KEK_LEN);
-	memcpy(priv->kck, data->kck, NL80211_KCK_LEN);
-	priv->replay_ctr =
-		cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr));
-	priv->have_rekey_data = true;
-
- out:
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-}
-
-#ifdef CONFIG_PM_SLEEP
-
-static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
-			      struct cfg80211_wowlan *wowlan)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
-	int ret;
-
-	if (WARN_ON(!wowlan))
-		return -EINVAL;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-	mutex_lock(&priv->mutex);
-
-	/* Don't attempt WoWLAN when not associated, tear down instead. */
-	if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION ||
-	    !iwl_is_associated_ctx(ctx)) {
-		ret = 1;
-		goto out;
-	}
-
-	ret = iwlagn_suspend(priv, wowlan);
-	if (ret)
-		goto error;
-
-	/* let the ucode operate on its own */
-	iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_SET,
-		    CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
-
-	iwl_trans_d3_suspend(priv->trans, false);
-
-	goto out;
-
- error:
-	priv->wowlan = false;
-	iwlagn_prepare_restart(priv);
-	ieee80211_restart_hw(priv->hw);
- out:
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-	return ret;
-}
-
-struct iwl_resume_data {
-	struct iwl_priv *priv;
-	struct iwlagn_wowlan_status *cmd;
-	bool valid;
-};
-
-static bool iwl_resume_status_fn(struct iwl_notif_wait_data *notif_wait,
-				 struct iwl_rx_packet *pkt, void *data)
-{
-	struct iwl_resume_data *resume_data = data;
-	struct iwl_priv *priv = resume_data->priv;
-
-	if (iwl_rx_packet_payload_len(pkt) != sizeof(*resume_data->cmd)) {
-		IWL_ERR(priv, "rx wrong size data\n");
-		return true;
-	}
-	memcpy(resume_data->cmd, pkt->data, sizeof(*resume_data->cmd));
-	resume_data->valid = true;
-
-	return true;
-}
-
-static int iwlagn_mac_resume(struct ieee80211_hw *hw)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
-	struct ieee80211_vif *vif;
-	u32 base;
-	int ret;
-	enum iwl_d3_status d3_status;
-	struct error_table_start {
-		/* cf. struct iwl_error_event_table */
-		u32 valid;
-		u32 error_id;
-	} err_info;
-	struct iwl_notification_wait status_wait;
-	static const u16 status_cmd[] = {
-		REPLY_WOWLAN_GET_STATUS,
-	};
-	struct iwlagn_wowlan_status status_data = {};
-	struct iwl_resume_data resume_data = {
-		.priv = priv,
-		.cmd = &status_data,
-		.valid = false,
-	};
-	struct cfg80211_wowlan_wakeup wakeup = {
-		.pattern_idx = -1,
-	};
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-	const struct fw_img *img;
-#endif
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-	mutex_lock(&priv->mutex);
-
-	/* we'll clear ctx->vif during iwlagn_prepare_restart() */
-	vif = ctx->vif;
-
-	ret = iwl_trans_d3_resume(priv->trans, &d3_status, false);
-	if (ret)
-		goto out_unlock;
-
-	if (d3_status != IWL_D3_STATUS_ALIVE) {
-		IWL_INFO(priv, "Device was reset during suspend\n");
-		goto out_unlock;
-	}
-
-	/* uCode is no longer operating by itself */
-	iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_CLR,
-		    CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
-
-	base = priv->device_pointers.error_event_table;
-	if (!iwlagn_hw_valid_rtc_data_addr(base)) {
-		IWL_WARN(priv, "Invalid error table during resume!\n");
-		goto out_unlock;
-	}
-
-	iwl_trans_read_mem_bytes(priv->trans, base,
-				 &err_info, sizeof(err_info));
-
-	if (err_info.valid) {
-		IWL_INFO(priv, "error table is valid (%d, 0x%x)\n",
-			 err_info.valid, err_info.error_id);
-		if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) {
-			wakeup.rfkill_release = true;
-			ieee80211_report_wowlan_wakeup(vif, &wakeup,
-						       GFP_KERNEL);
-		}
-		goto out_unlock;
-	}
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-	img = &priv->fw->img[IWL_UCODE_WOWLAN];
-	if (!priv->wowlan_sram)
-		priv->wowlan_sram =
-			kzalloc(img->sec[IWL_UCODE_SECTION_DATA].len,
-				GFP_KERNEL);
-
-	if (priv->wowlan_sram)
-		iwl_trans_read_mem(priv->trans, 0x800000,
-				   priv->wowlan_sram,
-				   img->sec[IWL_UCODE_SECTION_DATA].len / 4);
-#endif
-
-	/*
-	 * This is very strange. The GET_STATUS command is sent but the device
-	 * doesn't reply properly, it seems it doesn't close the RBD so one is
-	 * always left open ... As a result, we need to send another command
-	 * and have to reset the driver afterwards. As we need to switch to
-	 * runtime firmware again that'll happen.
-	 */
-
-	iwl_init_notification_wait(&priv->notif_wait, &status_wait, status_cmd,
-				   ARRAY_SIZE(status_cmd), iwl_resume_status_fn,
-				   &resume_data);
-
-	iwl_dvm_send_cmd_pdu(priv, REPLY_WOWLAN_GET_STATUS, CMD_ASYNC, 0, NULL);
-	iwl_dvm_send_cmd_pdu(priv, REPLY_ECHO, CMD_ASYNC, 0, NULL);
-	/* an RBD is left open in the firmware now! */
-
-	ret = iwl_wait_notification(&priv->notif_wait, &status_wait, HZ/5);
-	if (ret)
-		goto out_unlock;
-
-	if (resume_data.valid && priv->contexts[IWL_RXON_CTX_BSS].vif) {
-		u32 reasons = le32_to_cpu(status_data.wakeup_reason);
-		struct cfg80211_wowlan_wakeup *wakeup_report;
-
-		IWL_INFO(priv, "WoWLAN wakeup reason(s): 0x%.8x\n", reasons);
-
-		if (reasons) {
-			if (reasons & IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET)
-				wakeup.magic_pkt = true;
-			if (reasons & IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH)
-				wakeup.pattern_idx = status_data.pattern_number;
-			if (reasons & (IWLAGN_WOWLAN_WAKEUP_BEACON_MISS |
-				       IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE))
-				wakeup.disconnect = true;
-			if (reasons & IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL)
-				wakeup.gtk_rekey_failure = true;
-			if (reasons & IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ)
-				wakeup.eap_identity_req = true;
-			if (reasons & IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE)
-				wakeup.four_way_handshake = true;
-			wakeup_report = &wakeup;
-		} else {
-			wakeup_report = NULL;
-		}
-
-		ieee80211_report_wowlan_wakeup(vif, wakeup_report, GFP_KERNEL);
-	}
-
-	priv->wowlan = false;
-
-	iwlagn_prepare_restart(priv);
-
-	memset((void *)&ctx->active, 0, sizeof(ctx->active));
-	iwl_connection_init_rx_config(priv, ctx);
-	iwlagn_set_rxon_chain(priv, ctx);
-
- out_unlock:
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-	ieee80211_resume_disconnect(vif);
-
-	return 1;
-}
-
-static void iwlagn_mac_set_wakeup(struct ieee80211_hw *hw, bool enabled)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-
-	device_set_wakeup_enable(priv->trans->dev, enabled);
-}
-#endif
-
-static void iwlagn_mac_tx(struct ieee80211_hw *hw,
-			  struct ieee80211_tx_control *control,
-			  struct sk_buff *skb)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-
-	if (iwlagn_tx_skb(priv, control->sta, skb))
-		ieee80211_free_txskb(hw, skb);
-}
-
-static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
-				       struct ieee80211_vif *vif,
-				       struct ieee80211_key_conf *keyconf,
-				       struct ieee80211_sta *sta,
-				       u32 iv32, u16 *phase1key)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-
-	iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key);
-}
-
-static int iwlagn_mac_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 iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
-	struct iwl_rxon_context *ctx = vif_priv->ctx;
-	int ret;
-	bool is_default_wep_key = false;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	if (iwlwifi_mod_params.sw_crypto) {
-		IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n");
-		return -EOPNOTSUPP;
-	}
-
-	switch (key->cipher) {
-	case WLAN_CIPHER_SUITE_TKIP:
-		key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
-		/* fall through */
-	case WLAN_CIPHER_SUITE_CCMP:
-		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-		break;
-	default:
-		break;
-	}
-
-	/*
-	 * We could program these keys into the hardware as well, but we
-	 * don't expect much multicast traffic in IBSS and having keys
-	 * for more stations is probably more useful.
-	 *
-	 * Mark key TX-only and return 0.
-	 */
-	if (vif->type == NL80211_IFTYPE_ADHOC &&
-	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
-		key->hw_key_idx = WEP_INVALID_OFFSET;
-		return 0;
-	}
-
-	/* If they key was TX-only, accept deletion */
-	if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET)
-		return 0;
-
-	mutex_lock(&priv->mutex);
-	iwl_scan_cancel_timeout(priv, 100);
-
-	BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT);
-
-	/*
-	 * If we are getting WEP group key and we didn't receive any key mapping
-	 * so far, we are in legacy wep mode (group key only), otherwise we are
-	 * in 1X mode.
-	 * In legacy wep mode, we use another host command to the uCode.
-	 */
-	if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
-	     key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) {
-		if (cmd == SET_KEY)
-			is_default_wep_key = !ctx->key_mapping_keys;
-		else
-			is_default_wep_key =
-				key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT;
-	}
-
-
-	switch (cmd) {
-	case SET_KEY:
-		if (is_default_wep_key) {
-			ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key);
-			break;
-		}
-		ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta);
-		if (ret) {
-			/*
-			 * can't add key for RX, but we don't need it
-			 * in the device for TX so still return 0
-			 */
-			ret = 0;
-			key->hw_key_idx = WEP_INVALID_OFFSET;
-		}
-
-		IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n");
-		break;
-	case DISABLE_KEY:
-		if (is_default_wep_key)
-			ret = iwl_remove_default_wep_key(priv, ctx, key);
-		else
-			ret = iwl_remove_dynamic_key(priv, ctx, key, sta);
-
-		IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n");
-		break;
-	default:
-		ret = -EINVAL;
-	}
-
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-	return ret;
-}
-
-static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg)
-{
-	if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG)
-		return false;
-	return true;
-}
-
-static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
-{
-	if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
-		return false;
-	if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG)
-		return true;
-
-	/* disabled by default */
-	return false;
-}
-
-static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
-				   struct ieee80211_vif *vif,
-				   enum ieee80211_ampdu_mlme_action action,
-				   struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-				   u8 buf_size, bool amsdu)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	int ret = -EINVAL;
-	struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
-
-	IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
-		     sta->addr, tid);
-
-	if (!(priv->nvm_data->sku_cap_11n_enable))
-		return -EACCES;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-	mutex_lock(&priv->mutex);
-
-	switch (action) {
-	case IEEE80211_AMPDU_RX_START:
-		if (!iwl_enable_rx_ampdu(priv->cfg))
-			break;
-		IWL_DEBUG_HT(priv, "start Rx\n");
-		ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
-		break;
-	case IEEE80211_AMPDU_RX_STOP:
-		IWL_DEBUG_HT(priv, "stop Rx\n");
-		ret = iwl_sta_rx_agg_stop(priv, sta, tid);
-		break;
-	case IEEE80211_AMPDU_TX_START:
-		if (!priv->trans->ops->txq_enable)
-			break;
-		if (!iwl_enable_tx_ampdu(priv->cfg))
-			break;
-		IWL_DEBUG_HT(priv, "start Tx\n");
-		ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
-		break;
-	case IEEE80211_AMPDU_TX_STOP_FLUSH:
-	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
-		IWL_DEBUG_HT(priv, "Flush Tx\n");
-		ret = iwlagn_tx_agg_flush(priv, vif, sta, tid);
-		break;
-	case IEEE80211_AMPDU_TX_STOP_CONT:
-		IWL_DEBUG_HT(priv, "stop Tx\n");
-		ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
-		if ((ret == 0) && (priv->agg_tids_count > 0)) {
-			priv->agg_tids_count--;
-			IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n",
-				     priv->agg_tids_count);
-		}
-		if (!priv->agg_tids_count &&
-		    priv->hw_params.use_rts_for_aggregation) {
-			/*
-			 * switch off RTS/CTS if it was previously enabled
-			 */
-			sta_priv->lq_sta.lq.general_params.flags &=
-				~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
-			iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
-					&sta_priv->lq_sta.lq, CMD_ASYNC, false);
-		}
-		break;
-	case IEEE80211_AMPDU_TX_OPERATIONAL:
-		ret = iwlagn_tx_agg_oper(priv, vif, sta, tid, buf_size);
-		break;
-	}
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-	return ret;
-}
-
-static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
-			      struct ieee80211_vif *vif,
-			      struct ieee80211_sta *sta)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
-	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
-	bool is_ap = vif->type == NL80211_IFTYPE_STATION;
-	int ret;
-	u8 sta_id;
-
-	IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n",
-			sta->addr);
-	sta_priv->sta_id = IWL_INVALID_STATION;
-
-	atomic_set(&sta_priv->pending_frames, 0);
-	if (vif->type == NL80211_IFTYPE_AP)
-		sta_priv->client = true;
-
-	ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr,
-				     is_ap, sta, &sta_id);
-	if (ret) {
-		IWL_ERR(priv, "Unable to add station %pM (%d)\n",
-			sta->addr, ret);
-		/* Should we return success if return code is EEXIST ? */
-		return ret;
-	}
-
-	sta_priv->sta_id = sta_id;
-
-	return 0;
-}
-
-static int iwlagn_mac_sta_remove(struct ieee80211_hw *hw,
-				 struct ieee80211_vif *vif,
-				 struct ieee80211_sta *sta)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
-	int ret;
-
-	IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", sta->addr);
-
-	if (vif->type == NL80211_IFTYPE_STATION) {
-		/*
-		 * Station will be removed from device when the RXON
-		 * is set to unassociated -- just deactivate it here
-		 * to avoid re-programming it.
-		 */
-		ret = 0;
-		iwl_deactivate_station(priv, sta_priv->sta_id, sta->addr);
-	} else {
-		ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr);
-		if (ret)
-			IWL_DEBUG_QUIET_RFKILL(priv,
-				"Error removing station %pM\n", sta->addr);
-	}
-	return ret;
-}
-
-static int iwlagn_mac_sta_state(struct ieee80211_hw *hw,
-				struct ieee80211_vif *vif,
-				struct ieee80211_sta *sta,
-				enum ieee80211_sta_state old_state,
-				enum ieee80211_sta_state new_state)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
-	enum {
-		NONE, ADD, REMOVE, HT_RATE_INIT, ADD_RATE_INIT,
-	} op = NONE;
-	int ret;
-
-	IWL_DEBUG_MAC80211(priv, "station %pM state change %d->%d\n",
-			   sta->addr, old_state, new_state);
-
-	mutex_lock(&priv->mutex);
-	if (vif->type == NL80211_IFTYPE_STATION) {
-		if (old_state == IEEE80211_STA_NOTEXIST &&
-		    new_state == IEEE80211_STA_NONE)
-			op = ADD;
-		else if (old_state == IEEE80211_STA_NONE &&
-			 new_state == IEEE80211_STA_NOTEXIST)
-			op = REMOVE;
-		else if (old_state == IEEE80211_STA_AUTH &&
-			 new_state == IEEE80211_STA_ASSOC)
-			op = HT_RATE_INIT;
-	} else {
-		if (old_state == IEEE80211_STA_AUTH &&
-		    new_state == IEEE80211_STA_ASSOC)
-			op = ADD_RATE_INIT;
-		else if (old_state == IEEE80211_STA_ASSOC &&
-			 new_state == IEEE80211_STA_AUTH)
-			op = REMOVE;
-	}
-
-	switch (op) {
-	case ADD:
-		ret = iwlagn_mac_sta_add(hw, vif, sta);
-		if (ret)
-			break;
-		/*
-		 * Clear the in-progress flag, the AP station entry was added
-		 * but we'll initialize LQ only when we've associated (which
-		 * would also clear the in-progress flag). This is necessary
-		 * in case we never initialize LQ because association fails.
-		 */
-		spin_lock_bh(&priv->sta_lock);
-		priv->stations[iwl_sta_id(sta)].used &=
-			~IWL_STA_UCODE_INPROGRESS;
-		spin_unlock_bh(&priv->sta_lock);
-		break;
-	case REMOVE:
-		ret = iwlagn_mac_sta_remove(hw, vif, sta);
-		break;
-	case ADD_RATE_INIT:
-		ret = iwlagn_mac_sta_add(hw, vif, sta);
-		if (ret)
-			break;
-		/* Initialize rate scaling */
-		IWL_DEBUG_INFO(priv,
-			       "Initializing rate scaling for station %pM\n",
-			       sta->addr);
-		iwl_rs_rate_init(priv, sta, iwl_sta_id(sta));
-		ret = 0;
-		break;
-	case HT_RATE_INIT:
-		/* Initialize rate scaling */
-		ret = iwl_sta_update_ht(priv, vif_priv->ctx, sta);
-		if (ret)
-			break;
-		IWL_DEBUG_INFO(priv,
-			       "Initializing rate scaling for station %pM\n",
-			       sta->addr);
-		iwl_rs_rate_init(priv, sta, iwl_sta_id(sta));
-		ret = 0;
-		break;
-	default:
-		ret = 0;
-		break;
-	}
-
-	/*
-	 * mac80211 might WARN if we fail, but due the way we
-	 * (badly) handle hard rfkill, we might fail here
-	 */
-	if (iwl_is_rfkill(priv))
-		ret = 0;
-
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-	return ret;
-}
-
-static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
-				      struct ieee80211_vif *vif,
-				      struct ieee80211_channel_switch *ch_switch)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct ieee80211_conf *conf = &hw->conf;
-	struct ieee80211_channel *channel = ch_switch->chandef.chan;
-	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
-	/*
-	 * MULTI-FIXME
-	 * When we add support for multiple interfaces, we need to
-	 * revisit this. The channel switch command in the device
-	 * only affects the BSS context, but what does that really
-	 * mean? And what if we get a CSA on the second interface?
-	 * This needs a lot of work.
-	 */
-	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
-	u16 ch;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	mutex_lock(&priv->mutex);
-
-	if (iwl_is_rfkill(priv))
-		goto out;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
-	    test_bit(STATUS_SCANNING, &priv->status) ||
-	    test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
-		goto out;
-
-	if (!iwl_is_associated_ctx(ctx))
-		goto out;
-
-	if (!priv->lib->set_channel_switch)
-		goto out;
-
-	ch = channel->hw_value;
-	if (le16_to_cpu(ctx->active.channel) == ch)
-		goto out;
-
-	priv->current_ht_config.smps = conf->smps_mode;
-
-	/* Configure HT40 channels */
-	switch (cfg80211_get_chandef_type(&ch_switch->chandef)) {
-	case NL80211_CHAN_NO_HT:
-	case NL80211_CHAN_HT20:
-		ctx->ht.is_40mhz = false;
-		ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
-		break;
-	case NL80211_CHAN_HT40MINUS:
-		ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-		ctx->ht.is_40mhz = true;
-		break;
-	case NL80211_CHAN_HT40PLUS:
-		ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-		ctx->ht.is_40mhz = true;
-		break;
-	}
-
-	if ((le16_to_cpu(ctx->staging.channel) != ch))
-		ctx->staging.flags = 0;
-
-	iwl_set_rxon_channel(priv, channel, ctx);
-	iwl_set_rxon_ht(priv, ht_conf);
-	iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif);
-
-	/*
-	 * at this point, staging_rxon has the
-	 * configuration for channel switch
-	 */
-	set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status);
-	priv->switch_channel = cpu_to_le16(ch);
-	if (priv->lib->set_channel_switch(priv, ch_switch)) {
-		clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status);
-		priv->switch_channel = 0;
-		ieee80211_chswitch_done(ctx->vif, false);
-	}
-
-out:
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-}
-
-void iwl_chswitch_done(struct iwl_priv *priv, bool is_success)
-{
-	/*
-	 * MULTI-FIXME
-	 * See iwlagn_mac_channel_switch.
-	 */
-	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	if (!test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
-		return;
-
-	if (ctx->vif)
-		ieee80211_chswitch_done(ctx->vif, is_success);
-}
-
-static void iwlagn_configure_filter(struct ieee80211_hw *hw,
-				    unsigned int changed_flags,
-				    unsigned int *total_flags,
-				    u64 multicast)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	__le32 filter_or = 0, filter_nand = 0;
-	struct iwl_rxon_context *ctx;
-
-#define CHK(test, flag)	do { \
-	if (*total_flags & (test))		\
-		filter_or |= (flag);		\
-	else					\
-		filter_nand |= (flag);		\
-	} while (0)
-
-	IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n",
-			changed_flags, *total_flags);
-
-	CHK(FIF_OTHER_BSS, RXON_FILTER_PROMISC_MSK);
-	/* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */
-	CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK);
-	CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK);
-
-#undef CHK
-
-	mutex_lock(&priv->mutex);
-
-	for_each_context(priv, ctx) {
-		ctx->staging.filter_flags &= ~filter_nand;
-		ctx->staging.filter_flags |= filter_or;
-
-		/*
-		 * Not committing directly because hardware can perform a scan,
-		 * but we'll eventually commit the filter flags change anyway.
-		 */
-	}
-
-	mutex_unlock(&priv->mutex);
-
-	/*
-	 * Receiving all multicast frames is always enabled by the
-	 * default flags setup in iwl_connection_init_rx_config()
-	 * since we currently do not support programming multicast
-	 * filters into the device.
-	 */
-	*total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI |
-			FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
-}
-
-static void iwlagn_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
-			     u32 queues, bool drop)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	u32 scd_queues;
-
-	mutex_lock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
-		IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n");
-		goto done;
-	}
-	if (iwl_is_rfkill(priv)) {
-		IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n");
-		goto done;
-	}
-
-	scd_queues = BIT(priv->cfg->base_params->num_of_queues) - 1;
-	scd_queues &= ~(BIT(IWL_IPAN_CMD_QUEUE_NUM) |
-			BIT(IWL_DEFAULT_CMD_QUEUE_NUM));
-
-	if (drop) {
-		IWL_DEBUG_TX_QUEUES(priv, "Flushing SCD queues: 0x%x\n",
-				    scd_queues);
-		if (iwlagn_txfifo_flush(priv, scd_queues)) {
-			IWL_ERR(priv, "flush request fail\n");
-			goto done;
-		}
-	}
-
-	IWL_DEBUG_TX_QUEUES(priv, "wait transmit/flush all frames\n");
-	iwl_trans_wait_tx_queue_empty(priv->trans, scd_queues);
-done:
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-}
-
-static void iwlagn_mac_event_callback(struct ieee80211_hw *hw,
-				      struct ieee80211_vif *vif,
-				      const struct ieee80211_event *event)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-
-	if (event->type != RSSI_EVENT)
-		return;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	if (priv->lib->bt_params &&
-	    priv->lib->bt_params->advanced_bt_coexist) {
-		if (event->u.rssi.data == RSSI_EVENT_LOW)
-			priv->bt_enable_pspoll = true;
-		else if (event->u.rssi.data == RSSI_EVENT_HIGH)
-			priv->bt_enable_pspoll = false;
-
-		queue_work(priv->workqueue, &priv->bt_runtime_config);
-	} else {
-		IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled,"
-				"ignoring RSSI callback\n");
-	}
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-}
-
-static int iwlagn_mac_set_tim(struct ieee80211_hw *hw,
-			      struct ieee80211_sta *sta, bool set)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-
-	queue_work(priv->workqueue, &priv->beacon_update);
-
-	return 0;
-}
-
-static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw,
-			      struct ieee80211_vif *vif, u16 queue,
-			      const struct ieee80211_tx_queue_params *params)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
-	struct iwl_rxon_context *ctx = vif_priv->ctx;
-	int q;
-
-	if (WARN_ON(!ctx))
-		return -EINVAL;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	if (!iwl_is_ready_rf(priv)) {
-		IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
-		return -EIO;
-	}
-
-	if (queue >= AC_NUM) {
-		IWL_DEBUG_MAC80211(priv, "leave - queue >= AC_NUM %d\n", queue);
-		return 0;
-	}
-
-	q = AC_NUM - 1 - queue;
-
-	mutex_lock(&priv->mutex);
-
-	ctx->qos_data.def_qos_parm.ac[q].cw_min =
-		cpu_to_le16(params->cw_min);
-	ctx->qos_data.def_qos_parm.ac[q].cw_max =
-		cpu_to_le16(params->cw_max);
-	ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
-	ctx->qos_data.def_qos_parm.ac[q].edca_txop =
-			cpu_to_le16((params->txop * 32));
-
-	ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0;
-
-	mutex_unlock(&priv->mutex);
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-	return 0;
-}
-
-static int iwlagn_mac_tx_last_beacon(struct ieee80211_hw *hw)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-
-	return priv->ibss_manager == IWL_IBSS_MANAGER;
-}
-
-static int iwl_set_mode(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
-{
-	iwl_connection_init_rx_config(priv, ctx);
-
-	iwlagn_set_rxon_chain(priv, ctx);
-
-	return iwlagn_commit_rxon(priv, ctx);
-}
-
-static int iwl_setup_interface(struct iwl_priv *priv,
-			       struct iwl_rxon_context *ctx)
-{
-	struct ieee80211_vif *vif = ctx->vif;
-	int err, ac;
-
-	lockdep_assert_held(&priv->mutex);
-
-	/*
-	 * This variable will be correct only when there's just
-	 * a single context, but all code using it is for hardware
-	 * that supports only one context.
-	 */
-	priv->iw_mode = vif->type;
-
-	ctx->is_active = true;
-
-	err = iwl_set_mode(priv, ctx);
-	if (err) {
-		if (!ctx->always_active)
-			ctx->is_active = false;
-		return err;
-	}
-
-	if (priv->lib->bt_params && priv->lib->bt_params->advanced_bt_coexist &&
-	    vif->type == NL80211_IFTYPE_ADHOC) {
-		/*
-		 * pretend to have high BT traffic as long as we
-		 * are operating in IBSS mode, as this will cause
-		 * the rate scaling etc. to behave as intended.
-		 */
-		priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
-	}
-
-	/* set up queue mappings */
-	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-		vif->hw_queue[ac] = ctx->ac_to_queue[ac];
-
-	if (vif->type == NL80211_IFTYPE_AP)
-		vif->cab_queue = ctx->mcast_queue;
-	else
-		vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
-
-	return 0;
-}
-
-static int iwlagn_mac_add_interface(struct ieee80211_hw *hw,
-				    struct ieee80211_vif *vif)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
-	struct iwl_rxon_context *tmp, *ctx = NULL;
-	int err;
-	enum nl80211_iftype viftype = ieee80211_vif_type_p2p(vif);
-	bool reset = false;
-
-	IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n",
-			   viftype, vif->addr);
-
-	mutex_lock(&priv->mutex);
-
-	if (!iwl_is_ready_rf(priv)) {
-		IWL_WARN(priv, "Try to add interface when device not ready\n");
-		err = -EINVAL;
-		goto out;
-	}
-
-	for_each_context(priv, tmp) {
-		u32 possible_modes =
-			tmp->interface_modes | tmp->exclusive_interface_modes;
-
-		if (tmp->vif) {
-			/* On reset we need to add the same interface again */
-			if (tmp->vif == vif) {
-				reset = true;
-				ctx = tmp;
-				break;
-			}
-
-			/* check if this busy context is exclusive */
-			if (tmp->exclusive_interface_modes &
-						BIT(tmp->vif->type)) {
-				err = -EINVAL;
-				goto out;
-			}
-			continue;
-		}
-
-		if (!(possible_modes & BIT(viftype)))
-			continue;
-
-		/* have maybe usable context w/o interface */
-		ctx = tmp;
-		break;
-	}
-
-	if (!ctx) {
-		err = -EOPNOTSUPP;
-		goto out;
-	}
-
-	vif_priv->ctx = ctx;
-	ctx->vif = vif;
-
-	/*
-	 * In SNIFFER device type, the firmware reports the FCS to
-	 * the host, rather than snipping it off. Unfortunately,
-	 * mac80211 doesn't (yet) provide a per-packet flag for
-	 * this, so that we have to set the hardware flag based
-	 * on the interfaces added. As the monitor interface can
-	 * only be present by itself, and will be removed before
-	 * other interfaces are added, this is safe.
-	 */
-	if (vif->type == NL80211_IFTYPE_MONITOR)
-		ieee80211_hw_set(priv->hw, RX_INCLUDES_FCS);
-	else
-		__clear_bit(IEEE80211_HW_RX_INCLUDES_FCS, priv->hw->flags);
-
-	err = iwl_setup_interface(priv, ctx);
-	if (!err || reset)
-		goto out;
-
-	ctx->vif = NULL;
-	priv->iw_mode = NL80211_IFTYPE_STATION;
- out:
-	mutex_unlock(&priv->mutex);
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-	return err;
-}
-
-static void iwl_teardown_interface(struct iwl_priv *priv,
-				   struct ieee80211_vif *vif,
-				   bool mode_change)
-{
-	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
-
-	lockdep_assert_held(&priv->mutex);
-
-	if (priv->scan_vif == vif) {
-		iwl_scan_cancel_timeout(priv, 200);
-		iwl_force_scan_end(priv);
-	}
-
-	if (!mode_change) {
-		iwl_set_mode(priv, ctx);
-		if (!ctx->always_active)
-			ctx->is_active = false;
-	}
-
-	/*
-	 * When removing the IBSS interface, overwrite the
-	 * BT traffic load with the stored one from the last
-	 * notification, if any. If this is a device that
-	 * doesn't implement this, this has no effect since
-	 * both values are the same and zero.
-	 */
-	if (vif->type == NL80211_IFTYPE_ADHOC)
-		priv->bt_traffic_load = priv->last_bt_traffic_load;
-}
-
-static void iwlagn_mac_remove_interface(struct ieee80211_hw *hw,
-			      struct ieee80211_vif *vif)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	mutex_lock(&priv->mutex);
-
-	if (WARN_ON(ctx->vif != vif)) {
-		struct iwl_rxon_context *tmp;
-		IWL_ERR(priv, "ctx->vif = %p, vif = %p\n", ctx->vif, vif);
-		for_each_context(priv, tmp)
-			IWL_ERR(priv, "\tID = %d:\tctx = %p\tctx->vif = %p\n",
-				tmp->ctxid, tmp, tmp->vif);
-	}
-	ctx->vif = NULL;
-
-	iwl_teardown_interface(priv, vif, false);
-
-	mutex_unlock(&priv->mutex);
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-}
-
-static int iwlagn_mac_change_interface(struct ieee80211_hw *hw,
-				       struct ieee80211_vif *vif,
-				       enum nl80211_iftype newtype, bool newp2p)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_rxon_context *ctx, *tmp;
-	enum nl80211_iftype newviftype = newtype;
-	u32 interface_modes;
-	int err;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	newtype = ieee80211_iftype_p2p(newtype, newp2p);
-
-	mutex_lock(&priv->mutex);
-
-	ctx = iwl_rxon_ctx_from_vif(vif);
-
-	/*
-	 * To simplify this code, only support changes on the
-	 * BSS context. The PAN context is usually reassigned
-	 * by creating/removing P2P interfaces anyway.
-	 */
-	if (ctx->ctxid != IWL_RXON_CTX_BSS) {
-		err = -EBUSY;
-		goto out;
-	}
-
-	if (!ctx->vif || !iwl_is_ready_rf(priv)) {
-		/*
-		 * Huh? But wait ... this can maybe happen when
-		 * we're in the middle of a firmware restart!
-		 */
-		err = -EBUSY;
-		goto out;
-	}
-
-	/* Check if the switch is supported in the same context */
-	interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes;
-	if (!(interface_modes & BIT(newtype))) {
-		err = -EBUSY;
-		goto out;
-	}
-
-	if (ctx->exclusive_interface_modes & BIT(newtype)) {
-		for_each_context(priv, tmp) {
-			if (ctx == tmp)
-				continue;
-
-			if (!tmp->is_active)
-				continue;
-
-			/*
-			 * The current mode switch would be exclusive, but
-			 * another context is active ... refuse the switch.
-			 */
-			err = -EBUSY;
-			goto out;
-		}
-	}
-
-	/* success */
-	iwl_teardown_interface(priv, vif, true);
-	vif->type = newviftype;
-	vif->p2p = newp2p;
-	err = iwl_setup_interface(priv, ctx);
-	WARN_ON(err);
-	/*
-	 * We've switched internally, but submitting to the
-	 * device may have failed for some reason. Mask this
-	 * error, because otherwise mac80211 will not switch
-	 * (and set the interface type back) and we'll be
-	 * out of sync with it.
-	 */
-	err = 0;
-
- out:
-	mutex_unlock(&priv->mutex);
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-	return err;
-}
-
-static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw,
-			      struct ieee80211_vif *vif,
-			      struct ieee80211_scan_request *hw_req)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct cfg80211_scan_request *req = &hw_req->req;
-	int ret;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	if (req->n_channels == 0)
-		return -EINVAL;
-
-	mutex_lock(&priv->mutex);
-
-	/*
-	 * If an internal scan is in progress, just set
-	 * up the scan_request as per above.
-	 */
-	if (priv->scan_type != IWL_SCAN_NORMAL) {
-		IWL_DEBUG_SCAN(priv,
-			       "SCAN request during internal scan - defer\n");
-		priv->scan_request = req;
-		priv->scan_vif = vif;
-		ret = 0;
-	} else {
-		priv->scan_request = req;
-		priv->scan_vif = vif;
-		/*
-		 * mac80211 will only ask for one band at a time
-		 * so using channels[0] here is ok
-		 */
-		ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL,
-					req->channels[0]->band);
-		if (ret) {
-			priv->scan_request = NULL;
-			priv->scan_vif = NULL;
-		}
-	}
-
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-	mutex_unlock(&priv->mutex);
-
-	return ret;
-}
-
-static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
-{
-	struct iwl_addsta_cmd cmd = {
-		.mode = STA_CONTROL_MODIFY_MSK,
-		.station_flags_msk = STA_FLG_PWR_SAVE_MSK,
-		.sta.sta_id = sta_id,
-	};
-
-	iwl_send_add_sta(priv, &cmd, CMD_ASYNC);
-}
-
-static void iwlagn_mac_sta_notify(struct ieee80211_hw *hw,
-				  struct ieee80211_vif *vif,
-				  enum sta_notify_cmd cmd,
-				  struct ieee80211_sta *sta)
-{
-	struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
-	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
-	int sta_id;
-
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-
-	switch (cmd) {
-	case STA_NOTIFY_SLEEP:
-		WARN_ON(!sta_priv->client);
-		sta_priv->asleep = true;
-		if (atomic_read(&sta_priv->pending_frames) > 0)
-			ieee80211_sta_block_awake(hw, sta, true);
-		break;
-	case STA_NOTIFY_AWAKE:
-		WARN_ON(!sta_priv->client);
-		if (!sta_priv->asleep)
-			break;
-		sta_priv->asleep = false;
-		sta_id = iwl_sta_id(sta);
-		if (sta_id != IWL_INVALID_STATION)
-			iwl_sta_modify_ps_wake(priv, sta_id);
-		break;
-	default:
-		break;
-	}
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-}
-
-const struct ieee80211_ops iwlagn_hw_ops = {
-	.tx = iwlagn_mac_tx,
-	.start = iwlagn_mac_start,
-	.stop = iwlagn_mac_stop,
-#ifdef CONFIG_PM_SLEEP
-	.suspend = iwlagn_mac_suspend,
-	.resume = iwlagn_mac_resume,
-	.set_wakeup = iwlagn_mac_set_wakeup,
-#endif
-	.add_interface = iwlagn_mac_add_interface,
-	.remove_interface = iwlagn_mac_remove_interface,
-	.change_interface = iwlagn_mac_change_interface,
-	.config = iwlagn_mac_config,
-	.configure_filter = iwlagn_configure_filter,
-	.set_key = iwlagn_mac_set_key,
-	.update_tkip_key = iwlagn_mac_update_tkip_key,
-	.set_rekey_data = iwlagn_mac_set_rekey_data,
-	.conf_tx = iwlagn_mac_conf_tx,
-	.bss_info_changed = iwlagn_bss_info_changed,
-	.ampdu_action = iwlagn_mac_ampdu_action,
-	.hw_scan = iwlagn_mac_hw_scan,
-	.sta_notify = iwlagn_mac_sta_notify,
-	.sta_state = iwlagn_mac_sta_state,
-	.channel_switch = iwlagn_mac_channel_switch,
-	.flush = iwlagn_mac_flush,
-	.tx_last_beacon = iwlagn_mac_tx_last_beacon,
-	.event_callback = iwlagn_mac_event_callback,
-	.set_tim = iwlagn_mac_set_tim,
-};
-
-/* This function both allocates and initializes hw and priv. */
-struct ieee80211_hw *iwl_alloc_all(void)
-{
-	struct iwl_priv *priv;
-	struct iwl_op_mode *op_mode;
-	/* mac80211 allocates memory for this device instance, including
-	 *   space for this driver's private structure */
-	struct ieee80211_hw *hw;
-
-	hw = ieee80211_alloc_hw(sizeof(struct iwl_priv) +
-				sizeof(struct iwl_op_mode), &iwlagn_hw_ops);
-	if (!hw)
-		goto out;
-
-	op_mode = hw->priv;
-	priv = IWL_OP_MODE_GET_DVM(op_mode);
-	priv->hw = hw;
-
-out:
-	return hw;
-}