/******************************************************************************
 *
 * 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) 2015 Intel Deutschland GmbH
 *
 * 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) 2015 Intel Deutschland GmbH
 * 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 __tof
#define __tof_h__

#include "fw-api-tof.h"

#ifdef CPTCFG_IWLMVM_TOF_TSF_WA
#include <linux/rhashtable.h>
#include "iwl-trans.h"

struct iwl_mvm_tof_tsf_entry {
	struct rhash_head hash_node;
	u8 bssid[ETH_ALEN] __aligned(2);
	u8 delta_sign;
	u32 delta;
};

void iwl_mvm_tof_update_tsf(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt);
#endif

struct iwl_mvm_tof_data {
	struct iwl_tof_config_cmd tof_cfg;
	struct iwl_tof_range_req_cmd range_req;
	struct iwl_tof_range_req_ext_cmd range_req_ext;
#ifdef CPTCFG_IWLWIFI_DEBUGFS
	struct iwl_tof_responder_config_cmd responder_cfg;
#endif
	struct iwl_tof_range_rsp_ntfy range_resp;
	u8 last_abort_id;
	u16 active_range_request;
#ifdef CPTCFG_IWLMVM_TOF_TSF_WA
	struct rhashtable tsf_hash;
	/* use this flag to minimize changes in mvm code needed for this WA */
	bool tsf_hash_valid;
#endif
};

void iwl_mvm_tof_init(struct iwl_mvm *mvm);
void iwl_mvm_tof_clean(struct iwl_mvm *mvm);
int iwl_mvm_tof_config_cmd(struct iwl_mvm *mvm);
int iwl_mvm_tof_range_abort_cmd(struct iwl_mvm *mvm, u8 id);
int iwl_mvm_tof_range_request_cmd(struct iwl_mvm *mvm,
				  struct ieee80211_vif *vif);
void iwl_mvm_tof_resp_handler(struct iwl_mvm *mvm,
			      struct iwl_rx_cmd_buffer *rxb);
int iwl_mvm_tof_range_request_ext_cmd(struct iwl_mvm *mvm,
				      struct ieee80211_vif *vif);
#ifdef CPTCFG_IWLWIFI_DEBUGFS
int iwl_mvm_tof_responder_cmd(struct iwl_mvm *mvm,
			      struct ieee80211_vif *vif);
#endif
#endif /* __tof_h__ */
