path: root/drivers/net/wireless/iwlwifi/dvm/agn.h

/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
 *
 * 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 COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#ifndef __iwl_agn_h__
#define __iwl_agn_h__

#include "iwl-config.h"

#include "dev.h"

/* The first 11 queues (0-10) are used otherwise */
#define IWLAGN_FIRST_AMPDU_QUEUE	11

/* AUX (TX during scan dwell) queue */
#define IWL_AUX_QUEUE		10

#define IWL_INVALID_STATION	255

/* device operations */
extern const struct iwl_dvm_cfg iwl_dvm_1000_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_2000_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_105_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_2030_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_5000_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_5150_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_6000_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_6005_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_6050_cfg;
extern const struct iwl_dvm_cfg iwl_dvm_6030_cfg;


#define TIME_UNIT		1024

/*****************************************************
* DRIVER STATUS FUNCTIONS
******************************************************/
#define STATUS_RF_KILL_HW	0
#define STATUS_CT_KILL		1
#define STATUS_ALIVE		2
#define STATUS_READY		3
#define STATUS_EXIT_PENDING	5
#define STATUS_STATISTICS	6
#define STATUS_SCANNING		7
#define STATUS_SCAN_ABORTING	8
#define STATUS_SCAN_HW		9
#define STATUS_FW_ERROR		10
#define STATUS_CHANNEL_SWITCH_PENDING 11
#define STATUS_SCAN_COMPLETE	12
#define STATUS_POWER_PMI	13

struct iwl_ucode_capabilities;

extern const struct ieee80211_ops iwlagn_hw_ops;

static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
{
	hdr->op_code = cmd;
	hdr->first_group = 0;
	hdr->groups_num = 1;
	hdr->data_valid = 1;
}

void iwl_down(struct iwl_priv *priv);
void iwl_cancel_deferred_work(struct iwl_priv *priv);
void iwlagn_prepare_restart(struct iwl_priv *priv);
int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
				 struct iwl_rx_cmd_buffer *rxb,
				 struct iwl_device_cmd *cmd);

bool iwl_check_for_ct_kill(struct iwl_priv *priv);

void iwlagn_lift_passive_no_rx(struct iwl_priv *priv);

/* MAC80211 */
struct ieee80211_hw *iwl_alloc_all(void);
int iwlagn_mac_setup_register(struct iwl_priv *priv,
			      const struct iwl_ucode_capabilities *capa);
void iwlagn_mac_unregister(struct iwl_priv *priv);

/* commands */
int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
			 u32 flags, u16 len, const void *data);

/* RXON */
void iwl_connection_init_rx_config(struct iwl_priv *priv,
				   struct iwl_rxon_context *ctx);
int iwlagn_set_pan_params(struct iwl_priv *priv);
int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
			     struct ieee80211_vif *vif,
			     struct ieee80211_bss_conf *bss_conf,
			     u32 changes);
void iwlagn_config_ht40(struct ieee80211_conf *conf,
			struct iwl_rxon_context *ctx);
void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
			 struct iwl_rxon_context *ctx);
void iwl_set_flags_for_band(struct iwl_priv *priv,
			    struct iwl_rxon_context *ctx,
			    enum ieee80211_band band,
			    struct ieee80211_vif *vif);

/* uCode */
int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
void iwl_send_prio_tbl(struct iwl_priv *priv);
int iwl_init_alive_start(struct iwl_priv *priv);
int iwl_run_init_ucode(struct iwl_priv *priv);
int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
			      enum iwl_ucode_type ucode_type);
int iwl_send_calib_results(struct iwl_priv *priv);
int iwl_calib_set(struct iwl_priv *priv,
		  const struct iwl_calib_hdr *cmd, int len);
void iwl_calib_free_results(struct iwl_priv *priv);
int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
			    char **buf);
int iwlagn_hw_valid_rtc_data_addr(u32 addr);

/* lib */
int iwlagn_send_tx_power(struct iwl_priv *priv);
void iwlagn_temperature(struct iwl_priv *priv);
int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
int iwl_send_statistics_request(struct iwl_priv *priv,
				u8 flags, bool clear);

static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
			struct iwl_priv *priv, enum ieee80211_band band)
{
	return priv->hw->wiphy->bands[band];
}

#ifdef CONFIG_PM_SLEEP
int iwlagn_send_patterns(struct iwl_priv *priv,
			 struct cfg80211_wowlan *wowlan);
int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan);
#endif

/* rx */
int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
void iwl_setup_rx_handlers(struct iwl_priv *priv);
void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);


/* tx */
int iwlagn_tx_skb(struct iwl_priv *priv,
		  struct ieee80211_sta *sta,
		  struct sk_buff *skb);
int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
			struct ieee80211_sta *sta, u16 tid, u16 *ssn);
int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
			struct ieee80211_sta *sta, u16 tid, u8 buf_size);
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
		       struct ieee80211_sta *sta, u16 tid);
int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
			struct ieee80211_sta *sta, u16 tid);
void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
				   struct iwl_rx_cmd_buffer *rxb);
void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);

static inline u32 iwl_tx_status_to_mac80211(u32 status)
{
	status &= TX_STATUS_MSK;

	switch (status) {
	case TX_STATUS_SUCCESS:
	case TX_STATUS_DIRECT_DONE:
		return IEEE80211_TX_STAT_ACK;
	case TX_STATUS_FAIL_DEST_PS:
	case TX_STATUS_FAIL_PASSIVE_NO_RX:
		return IEEE80211_TX_STAT_TX_FILTERED;
	default:
		return 0;
	}
}

static inline bool iwl_is_tx_success(u32 status)
{
	status &= TX_STATUS_MSK;
	return (status == TX_STATUS_SUCCESS) ||
	       (status == TX_STATU