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/******************************************************************************
*
* 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* 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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* 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 __fw_api_rx_h__
#define __fw_api_rx_h__
#define IWL_RX_INFO_PHY_CNT 8
#define IWL_RX_INFO_ENERGY_ANT_ABC_IDX 1
#define IWL_RX_INFO_ENERGY_ANT_A_MSK 0x000000ff
#define IWL_RX_INFO_ENERGY_ANT_B_MSK 0x0000ff00
#define IWL_RX_INFO_ENERGY_ANT_C_MSK 0x00ff0000
#define IWL_RX_INFO_ENERGY_ANT_A_POS 0
#define IWL_RX_INFO_ENERGY_ANT_B_POS 8
#define IWL_RX_INFO_ENERGY_ANT_C_POS 16
/**
* struct iwl_rx_phy_info - phy info
* (REPLY_RX_PHY_CMD = 0xc0)
* @non_cfg_phy_cnt: non configurable DSP phy data byte count
* @cfg_phy_cnt: configurable DSP phy data byte count
* @stat_id: configurable DSP phy data set ID
* @reserved1:
* @system_timestamp: GP2 at on air rise
* @timestamp: TSF at on air rise
* @beacon_time_stamp: beacon at on-air rise
* @phy_flags: general phy flags: band, modulation, ...
* @channel: channel number
* @non_cfg_phy_buf: for various implementations of non_cfg_phy
* @rate_n_flags: RATE_MCS_*
* @byte_count: frame's byte-count
* @frame_time: frame's time on the air, based on byte count and frame rate
* calculation
* @mac_active_msk: what MACs were active when the frame was received
*
* Before each Rx, the device sends this data. It contains PHY information
* about the reception of the packet.
*/
struct iwl_rx_phy_info {
u8 non_cfg_phy_cnt;
u8 cfg_phy_cnt;
u8 stat_id;
u8 reserved1;
__le32 system_timestamp;
__le64 timestamp;
__le32 beacon_time_stamp;
__le16 phy_flags;
__le16 channel;
__le32 non_cfg_phy[IWL_RX_INFO_PHY_CNT];
__le32 rate_n_flags;
__le32 byte_count;
__le16 mac_active_msk;
__le16 frame_time;
} __packed;
/*
* TCP offload Rx assist info
*
* bits 0:3 - reserved
* bits 4:7 - MIC CRC length
* bits 8:12 - MAC header length
* bit 13 - Padding indication
* bit 14 - A-AMSDU indication
* bit 15 - Offload enabled
*/
enum iwl_csum_rx_assist_info {
CSUM_RXA_RESERVED_MASK = 0x000f,
CSUM_RXA_MICSIZE_MASK = 0x00f0,
CSUM_RXA_HEADERLEN_MASK = 0x1f00,
CSUM_RXA_PADD = BIT(13),
CSUM_RXA_AMSDU = BIT(14),
CSUM_RXA_ENA = BIT(15)
};
/**
* struct iwl_rx_mpdu_res_start - phy info
* @assist: see CSUM_RX_ASSIST_ above
*/
struct iwl_rx_mpdu_res_start {
__le16 byte_count;
__le16 assist;
} __packed; /* _RX_MPDU_RES_START_API_S_VER_2 */
/**
* enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags
* @RX_RES_PHY_FLAGS_BAND_24: true if the packet was received on 2.4 band
* @RX_RES_PHY_FLAGS_MOD_CCK:
* @RX_RES_PHY_FLAGS_SHORT_PREAMBLE: true if packet's preamble was short
* @RX_RES_PHY_FLAGS_NARROW_BAND:
* @RX_RES_PHY_FLAGS_ANTENNA: antenna on which the packet was received
* @RX_RES_PHY_FLAGS_AGG: set if the packet was part of an A-MPDU
* @RX_RES_PHY_FLAGS_OFDM_HT: The frame was an HT frame
* @RX_RES_PHY_FLAGS_OFDM_GF: The frame used GF preamble
* @RX_RES_PHY_FLAGS_OFDM_VHT: The frame was a VHT frame
*/
enum iwl_rx_phy_flags {
RX_RES_PHY_FLAGS_BAND_24 = BIT(0),
RX_RES_PHY_FLAGS_MOD_CCK = BIT(1),
RX_RES_PHY_FLAGS_SHORT_PREAMBLE = BIT(2),
RX_RES_PHY_FLAGS_NARROW_BAND = BIT(3),
RX_RES_PHY_FLAGS_ANTENNA = (0x7 << 4),
RX_RES_PHY_FLAGS_ANTENNA_POS = 4,
RX_RES_PHY_FLAGS_AGG = BIT(7),
RX_RES_PHY_FLAGS_OFDM_HT = BIT(8),
RX_RES_PHY_FLAGS_OFDM_GF = BIT(9),
RX_RES_PHY_FLAGS_OFDM_VHT = BIT(10),
};
/**
* enum iwl_mvm_rx_status - written by fw for each Rx packet
* @RX_MPDU_RES_STATUS_CRC_OK: CRC is fine
* @RX_MPDU_RES_STATUS_OVERRUN_OK: there was no RXE overflow
* @RX_MPDU_RES_STATUS_SRC_STA_FOUND:
* @RX_MPDU_RES_STATUS_KEY_VALID:
* @RX_MPDU_RES_STATUS_KEY_PARAM_OK:
* @RX_MPDU_RES_STATUS_ICV_OK: ICV is fine, if not, the packet is destroyed
* @RX_MPDU_RES_STATUS_MIC_OK: used for CCM alg only. TKIP MIC is checked
* in the driver.
* @RX_MPDU_RES_STATUS_TTAK_OK: TTAK is fine
* @RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR: valid for alg = CCM_CMAC or
* alg = CCM only. Checks replay attack for 11w frames. Relevant only if
* %RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME is set.
* @RX_MPDU_RES_STATUS_SEC_NO_ENC: this frame is not encrypted
* @RX_MPDU_RES_STATUS_SEC_WEP_ENC: this frame is encrypted using WEP
* @RX_MPDU_RES_STATUS_SEC_CCM_ENC: this frame is encrypted using CCM
* @RX_MPDU_RES_STATUS_SEC_TKIP_ENC: this frame is encrypted using TKIP
* @RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC: this frame is encrypted using CCM_CMAC
* @RX_MPDU_RES_STATUS_SEC_ENC_ERR: this frame couldn't be decrypted
* @RX_MPDU_RES_STATUS_SEC_ENC_MSK: bitmask of the encryption algorithm
* @RX_MPDU_RES_STATUS_DEC_DONE: this frame has been successfully decrypted
* @RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP:
* @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP:
* @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT:
* @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame
* @RX_MPDU_RES_STATUS_CSUM_DONE: checksum was done by the hw
* @RX_MPDU_RES_STATUS_CSUM_OK: checksum found no errors
* @RX_MPDU_RES_STATUS_HASH_INDEX_MSK:
* @RX_MPDU_RES_STATUS_STA_ID_MSK:
* @RX_MPDU_RES_STATUS_RRF_KILL:
* @RX_MPDU_RES_STATUS_FILTERING_MSK:
* @RX_MPDU_RES_STATUS2_FILTERING_MSK:
*/
enum iwl_mvm_rx_status {
RX_MPDU_RES_STATUS_CRC_OK = BIT(0),
RX_MPDU_RES_STATUS_OVERRUN_OK = BIT(1),
RX_MPDU_RES_STATUS_SRC_STA_FOUND = BIT(2),
RX_MPDU_RES_STATUS_KEY_VALID = BIT(3),
RX_MPDU_RES_STATUS_KEY_PARAM_OK = BIT(4),
RX_MPDU_RES_STATUS_ICV_OK = BIT(5),
RX_MPDU_RES_STATUS_MIC_OK = BIT(6),
RX_MPDU_RES_STATUS_TTAK_OK = BIT(7),
RX_MPDU_RES_STATUS_MNG_FRAME_REPLAY_ERR = BIT(7),
RX_MPDU_RES_STATUS_SEC_NO_ENC = (0 << 8),
RX_MPDU_RES_STATUS_SEC_WEP_ENC = (1 << 8),
RX_MPDU_RES_STATUS_SEC_CCM_ENC = (2 << 8),
RX_MPDU_RES_STATUS_SEC_TKIP_ENC = (3 << 8),
RX_MPDU_RES_STATUS_SEC_EXT_ENC = (4 << 8),
RX_MPDU_RES_STATUS_SEC_CCM_CMAC_ENC = (6 << 8),
RX_MPDU_RES_STATUS_SEC_ENC_ERR = (7 << 8),
RX_MPDU_RES_STATUS_SEC_ENC_MSK = (7 << 8),
RX_MPDU_RES_STATUS_DEC_DONE = BIT(11),
RX_MPDU_RES_STATUS_PROTECT_FRAME_BIT_CMP = BIT(12),
RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP = BIT(13),
RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT = BIT(14),
RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME = BIT(15),
RX_MPDU_RES_STATUS_CSUM_DONE = BIT(16),
RX_MPDU_RES_STATUS_CSUM_OK = BIT(17),
RX_MPDU_RES_STATUS_HASH_INDEX_MSK = (0x3F0000),
RX_MPDU_RES_STATUS_STA_ID_MSK = (0x1f000000),
RX_MPDU_RES_STATUS_RRF_KILL = BIT(29),
RX_MPDU_RES_STATUS_FILTERING_MSK = (0xc00000),
RX_MPDU_RES_STATUS2_FILTERING_MSK = (0xc0000000),
};
#endif /* __fw_api_rx_h__ */
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