Release 4.11 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.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) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 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
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*
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* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@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 - 2016 Intel Deutschland GmbH
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*****************************************************************************/
#ifndef __fw_api_rx_h__
#define __fw_api_rx_h__
/* API for pre-9000 hardware */
#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
enum iwl_mac_context_info {
MAC_CONTEXT_INFO_NONE,
MAC_CONTEXT_INFO_GSCAN,
};
/**
* 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
* @mac_context_info: additional info on the context in which the frame was
* received as defined in &enum iwl_mac_context_info
*
* 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;
u8 mac_active_msk;
u8 mac_context_info;
__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_MDPU_RES_STATUS_STA_ID_SHIFT = 24,
RX_MPDU_RES_STATUS_STA_ID_MSK = 0x1f << RX_MDPU_RES_STATUS_STA_ID_SHIFT,
RX_MPDU_RES_STATUS_RRF_KILL = BIT(29),
RX_MPDU_RES_STATUS_FILTERING_MSK = (0xc00000),
RX_MPDU_RES_STATUS2_FILTERING_MSK = (0xc0000000),
};
/* 9000 series API */
enum iwl_rx_mpdu_mac_flags1 {
IWL_RX_MDPU_MFLG1_ADDRTYPE_MASK = 0x03,
IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK = 0xf0,
/* shift should be 4, but the length is measured in 2-byte
* words, so shifting only by 3 gives a byte result
*/
IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_SHIFT = 3,
};
enum iwl_rx_mpdu_mac_flags2 {
/* in 2-byte words */
IWL_RX_MPDU_MFLG2_HDR_LEN_MASK = 0x1f,
IWL_RX_MPDU_MFLG2_PAD = 0x20,
IWL_RX_MPDU_MFLG2_AMSDU = 0x40,
};
enum iwl_rx_mpdu_amsdu_info {
IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK = 0x7f,
IWL_RX_MPDU_AMSDU_LAST_SUBFRAME = 0x80,
};
enum iwl_rx_l3_proto_values {
IWL_RX_L3_TYPE_NONE,
IWL_RX_L3_TYPE_IPV4,
IWL_RX_L3_TYPE_IPV4_FRAG,
IWL_RX_L3_TYPE_IPV6_FRAG,
IWL_RX_L3_TYPE_IPV6,
IWL_RX_L3_TYPE_IPV6_IN_IPV4,
IWL_RX_L3_TYPE_ARP,
IWL_RX_L3_TYPE_EAPOL,
};
#define IWL_RX_L3_PROTO_POS 4
enum iwl_rx_l3l4_flags {
IWL_RX_L3L4_IP_HDR_CSUM_OK = BIT(0),
IWL_RX_L3L4_TCP_UDP_CSUM_OK = BIT(1),
IWL_RX_L3L4_TCP_FIN_SYN_RST_PSH = BIT(2),
IWL_RX_L3L4_TCP_ACK = BIT(3),
IWL_RX_L3L4_L3_PROTO_MASK = 0xf << IWL_RX_L3_PROTO_POS,
IWL_RX_L3L4_L4_PROTO_MASK = 0xf << 8,
IWL_RX_L3L4_RSS_HASH_MASK = 0xf << 12,
};
enum iwl_rx_mpdu_status {
IWL_RX_MPDU_STATUS_CRC_OK = BIT(0),
IWL_RX_MPDU_STATUS_OVERRUN_OK = BIT(1),
IWL_RX_MPDU_STATUS_SRC_STA_FOUND = BIT(2),
IWL_RX_MPDU_STATUS_KEY_VALID = BIT(3),
IWL_RX_MPDU_STATUS_KEY_PARAM_OK = BIT(4),
IWL_RX_MPDU_STATUS_ICV_OK = BIT(5),
IWL_RX_MPDU_STATUS_MIC_OK = BIT(6),
IWL_RX_MPDU_RES_STATUS_TTAK_OK = BIT(7),
IWL_RX_MPDU_STATUS_SEC_MASK = 0x7 << 8,
IWL_RX_MPDU_STATUS_SEC_NONE = 0x0 << 8,
IWL_RX_MPDU_STATUS_SEC_WEP = 0x1 << 8,
IWL_RX_MPDU_STATUS_SEC_CCM = 0x2 << 8,
IWL_RX_MPDU_STATUS_SEC_TKIP = 0x3 << 8,
IWL_RX_MPDU_STATUS_SEC_EXT_ENC = 0x4 << 8,
IWL_RX_MPDU_STATUS_SEC_GCM = 0x5 << 8,
IWL_RX_MPDU_STATUS_DECRYPTED = BIT(11),
IWL_RX_MPDU_STATUS_WEP_MATCH = BIT(12),
IWL_RX_MPDU_STATUS_EXT_IV_MATCH = BIT(13),
IWL_RX_MPDU_STATUS_KEY_ID_MATCH = BIT(14),
IWL_RX_MPDU_STATUS_ROBUST_MNG_FRAME = BIT(15),
};
enum iwl_rx_mpdu_hash_filter {
IWL_RX_MPDU_HF_A1_HASH_MASK = 0x3f,
IWL_RX_MPDU_HF_FILTER_STATUS_MASK = 0xc0,
};
enum iwl_rx_mpdu_sta_id_flags {
IWL_RX_MPDU_SIF_STA_ID_MASK = 0x1f,
IWL_RX_MPDU_SIF_RRF_ABORT = 0x20,
IWL_RX_MPDU_SIF_FILTER_STATUS_MASK = 0xc0,
};
#define IWL_RX_REORDER_DATA_INVALID_BAID 0x7f
enum iwl_rx_mpdu_reorder_data {
IWL_RX_MPDU_REORDER_NSSN_MASK = 0x00000fff,
IWL_RX_MPDU_REORDER_SN_MASK = 0x00fff000,
IWL_RX_MPDU_REORDER_SN_SHIFT = 12,
IWL_RX_MPDU_REORDER_BAID_MASK = 0x7f000000,
IWL_RX_MPDU_REORDER_BAID_SHIFT = 24,
IWL_RX_MPDU_REORDER_BA_OLD_SN = 0x80000000,
};
enum iwl_rx_mpdu_phy_info {
IWL_RX_MPDU_PHY_AMPDU = BIT(5),
IWL_RX_MPDU_PHY_AMPDU_TOGGLE = BIT(6),
IWL_RX_MPDU_PHY_SHORT_PREAMBLE = BIT(7),
IWL_RX_MPDU_PHY_TSF_OVERLOAD = BIT(8),
};
enum iwl_rx_mpdu_mac_info {
IWL_RX_MPDU_PHY_MAC_INDEX_MASK = 0x0f,
IWL_RX_MPDU_PHY_PHY_INDEX_MASK = 0xf0,
};
struct iwl_rx_mpdu_desc {
/* DW2 */
__le16 mpdu_len;
u8 mac_flags1;
u8 mac_flags2;
/* DW3 */
u8 amsdu_info;
__le16 phy_info;
u8 mac_phy_idx;
/* DW4 - carries csum data only when rpa_en == 1 */
__le16 raw_csum; /* alledgedly unreliable */
__le16 l3l4_flags;
/* DW5 */
__le16 status;
u8 hash_filter;
u8 sta_id_flags;
/* DW6 */
__le32 reorder_data;
/* DW7 - carries rss_hash only when rpa_en == 1 */
__le32 rss_hash;
/* DW8 - carries filter_match only when rpa_en == 1 */
__le32 filter_match;
/* DW9 */
__le32 rate_n_flags;
/* DW10 */
u8 energy_a, energy_b, channel, mac_context;
/* DW11 */
__le32 gp2_on_air_rise;
/* DW12 & DW13 - carries TSF only TSF_OVERLOAD bit == 0 */
__le64 tsf_on_air_rise;
}
__packed;
struct iwl_frame_release {
u8 baid;
u8 reserved;
__le16 nssn;
};
enum iwl_rss_hash_func_en {
IWL_RSS_HASH_TYPE_IPV4_TCP,
IWL_RSS_HASH_TYPE_IPV4_UDP,
IWL_RSS_HASH_TYPE_IPV4_PAYLOAD,
IWL_RSS_HASH_TYPE_IPV6_TCP,
IWL_RSS_HASH_TYPE_IPV6_UDP,
IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
};
#define IWL_RSS_HASH_KEY_CNT 10
#define IWL_RSS_INDIRECTION_TABLE_SIZE 128
#define IWL_RSS_ENABLE 1
/**
* struct iwl_rss_config_cmd - RSS (Receive Side Scaling) configuration
*
* @flags: 1 - enable, 0 - disable
* @hash_mask: Type of RSS to use. Values are from %iwl_rss_hash_func_en
* @secret_key: 320 bit input of random key configuration from driver
* @indirection_table: indirection table
*/
struct iwl_rss_config_cmd {
__le32 flags;
u8 hash_mask;
u8 reserved[3];
__le32 secret_key[IWL_RSS_HASH_KEY_CNT];
u8 indirection_table[IWL_RSS_INDIRECTION_TABLE_SIZE];
}
__packed;
/* RSS_CONFIG_CMD_API_S_VER_1 */
#define IWL_MULTI_QUEUE_SYNC_MSG_MAX_SIZE 128
#define IWL_MULTI_QUEUE_SYNC_SENDER_POS 0
#define IWL_MULTI_QUEUE_SYNC_SENDER_MSK 0xf
/**
* struct iwl_rxq_sync_cmd - RXQ notification trigger
*
* @flags: flags of the notification. bit 0:3 are the sender queue
* @rxq_mask: rx queues to send the notification on
* @count: number of bytes in payload, should be DWORD aligned
* @payload: data to send to rx queues
*/
struct iwl_rxq_sync_cmd {
__le32 flags;
__le32 rxq_mask;
__le32 count;
u8 payload[];
}
__packed;
/* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
/**
* struct iwl_rxq_sync_notification - Notification triggered by RXQ
* sync command
*
* @count: number of bytes in payload
* @payload: data to send to rx queues
*/
struct iwl_rxq_sync_notification {
__le32 count;
u8 payload[];
}
__packed;
/* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */
/**
* Internal message identifier
*
* @IWL_MVM_RXQ_EMPTY: empty sync notification
* @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA
*/
enum iwl_mvm_rxq_notif_type {
IWL_MVM_RXQ_EMPTY,
IWL_MVM_RXQ_NOTIF_DEL_BA,
};
/**
* struct iwl_mvm_internal_rxq_notif - Internal representation of the data sent
* in &iwl_rxq_sync_cmd. Should be DWORD aligned.
* FW is agnostic to the payload, so there are no endianity requirements.
*
* @type: value from &iwl_mvm_rxq_notif_type
* @sync: ctrl path is waiting for all notifications to be received
* @cookie: internal cookie to identify old notifications
* @data: payload
*/
struct iwl_mvm_internal_rxq_notif {
u16 type;
u16 sync;
u32 cookie;
u8 data[];
}
__packed;
/**
* enum iwl_mvm_pm_event - type of station PM event
* @IWL_MVM_PM_EVENT_AWAKE: station woke up
* @IWL_MVM_PM_EVENT_ASLEEP: station went to sleep
* @IWL_MVM_PM_EVENT_UAPSD: station sent uAPSD trigger
* @IWL_MVM_PM_EVENT_PS_POLL: station sent PS-Poll
*/
enum iwl_mvm_pm_event {
IWL_MVM_PM_EVENT_AWAKE,
IWL_MVM_PM_EVENT_ASLEEP,
IWL_MVM_PM_EVENT_UAPSD,
IWL_MVM_PM_EVENT_PS_POLL,
}; /* PEER_PM_NTFY_API_E_VER_1 */
/**
* struct iwl_mvm_pm_state_notification - station PM state notification
* @sta_id: station ID of the station changing state
* @type: the new powersave state, see IWL_MVM_PM_EVENT_ above
*/
struct iwl_mvm_pm_state_notification {
u8 sta_id;
u8 type;
/* private: */
u16 reserved;
}
__packed;
/* PEER_PM_NTFY_API_S_VER_1 */
#endif /* __fw_api_rx_h__ */
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