/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright (C) 2012-2014, 2018-2023 Intel Corporation * Copyright (C) 2016-2017 Intel Deutschland GmbH */ #ifndef __iwl_fw_api_tx_h__ #define __iwl_fw_api_tx_h__ #include <linux/ieee80211.h> /** * enum iwl_tx_flags - bitmasks for tx_flags in TX command * @TX_CMD_FLG_PROT_REQUIRE: use RTS or CTS-to-self to protect the frame * @TX_CMD_FLG_WRITE_TX_POWER: update current tx power value in the mgmt frame * @TX_CMD_FLG_ACK: expect ACK from receiving station * @TX_CMD_FLG_STA_RATE: use RS table with initial index from the TX command. * Otherwise, use rate_n_flags from the TX command * @TX_CMD_FLG_BAR: this frame is a BA request, immediate BAR is expected * Must set TX_CMD_FLG_ACK with this flag. * @TX_CMD_FLG_TXOP_PROT: TXOP protection requested * @TX_CMD_FLG_VHT_NDPA: mark frame is NDPA for VHT beamformer sequence * @TX_CMD_FLG_HT_NDPA: mark frame is NDPA for HT beamformer sequence * @TX_CMD_FLG_CSI_FDBK2HOST: mark to send feedback to host (only if good CRC) * @TX_CMD_FLG_BT_PRIO_MASK: BT priority value * @TX_CMD_FLG_BT_PRIO_POS: the position of the BT priority (bit 11 is ignored * on old firmwares). * @TX_CMD_FLG_BT_DIS: disable BT priority for this frame * @TX_CMD_FLG_SEQ_CTL: set if FW should override the sequence control. * Should be set for mgmt, non-QOS data, mcast, bcast and in scan command * @TX_CMD_FLG_MORE_FRAG: this frame is non-last MPDU * @TX_CMD_FLG_TSF: FW should calculate and insert TSF in the frame * Should be set for beacons and probe responses * @TX_CMD_FLG_CALIB: activate PA TX power calibrations * @TX_CMD_FLG_KEEP_SEQ_CTL: if seq_ctl is set, don't increase inner seq count * @TX_CMD_FLG_MH_PAD: driver inserted 2 byte padding after MAC header. * Should be set for 26/30 length MAC headers * @TX_CMD_FLG_RESP_TO_DRV: zero this if the response should go only to FW * @TX_CMD_FLG_TKIP_MIC_DONE: FW already performed TKIP MIC calculation * @TX_CMD_FLG_DUR: disable duration overwriting used in PS-Poll Assoc-id * @TX_CMD_FLG_FW_DROP: FW should mark frame to be dropped * @TX_CMD_FLG_EXEC_PAPD: execute PAPD * @TX_CMD_FLG_PAPD_TYPE: 0 for reference power, 1 for nominal power * @TX_CMD_FLG_HCCA_CHUNK: mark start of TSPEC chunk */ enum iwl_tx_flags { TX_CMD_FLG_PROT_REQUIRE = BIT(0), TX_CMD_FLG_WRITE_TX_POWER = BIT(1), TX_CMD_FLG_ACK = BIT(3), TX_CMD_FLG_STA_RATE = BIT(4), TX_CMD_FLG_BAR = BIT(6), TX_CMD_FLG_TXOP_PROT = BIT(7), TX_CMD_FLG_VHT_NDPA = BIT(8), TX_CMD_FLG_HT_NDPA = BIT(9), TX_CMD_FLG_CSI_FDBK2HOST = BIT(10), TX_CMD_FLG_BT_PRIO_POS = 11, TX_CMD_FLG_BT_PRIO_MASK = BIT(11) | BIT(12), TX_CMD_FLG_BT_DIS = BIT(12), TX_CMD_FLG_SEQ_CTL = BIT(13), TX_CMD_FLG_MORE_FRAG = BIT(14), TX_CMD_FLG_TSF = BIT(16), TX_CMD_FLG_CALIB = BIT(17), TX_CMD_FLG_KEEP_SEQ_CTL = BIT(18), TX_CMD_FLG_MH_PAD = BIT(20), TX_CMD_FLG_RESP_TO_DRV = BIT(21), TX_CMD_FLG_TKIP_MIC_DONE = BIT(23), TX_CMD_FLG_DUR = BIT(25), TX_CMD_FLG_FW_DROP = BIT(26), TX_CMD_FLG_EXEC_PAPD = BIT(27), TX_CMD_FLG_PAPD_TYPE = BIT(28), TX_CMD_FLG_HCCA_CHUNK = BIT(31) }; /* TX_FLAGS_BITS_API_S_VER_1 */ /** * enum iwl_tx_cmd_flags - bitmasks for tx_flags in TX command for 22000 * @IWL_TX_FLAGS_CMD_RATE: use rate from the TX command * @IWL_TX_FLAGS_ENCRYPT_DIS: frame should not be encrypted, even if it belongs * to a secured STA * @IWL_TX_FLAGS_HIGH_PRI: high priority frame (like EAPOL) - can affect rate * selection, retry limits and BT kill */ enum iwl_tx_cmd_flags { IWL_TX_FLAGS_CMD_RATE = BIT(0), IWL_TX_FLAGS_ENCRYPT_DIS = BIT(1), IWL_TX_FLAGS_HIGH_PRI = BIT(2), /* Use these flags only from * TX_FLAGS_BITS_API_S_VER_4 and above */ IWL_TX_FLAGS_RTS = BIT(3), IWL_TX_FLAGS_CTS = BIT(4), }; /* TX_FLAGS_BITS_API_S_VER_3 */ /** * enum iwl_tx_pm_timeouts - pm timeout values in TX command * @PM_FRAME_NONE: no need to suspend sleep mode * @PM_FRAME_MGMT: fw suspend sleep mode for 100TU * @PM_FRAME_ASSOC: fw suspend sleep mode for 10sec */ enum iwl_tx_pm_timeouts { PM_FRAME_NONE = 0, PM_FRAME_MGMT = 2, PM_FRAME_ASSOC = 3, }; #define TX_CMD_SEC_MSK 0x07 #define TX_CMD_SEC_WEP_KEY_IDX_POS 6 #define TX_CMD_SEC_WEP_KEY_IDX_MSK 0xc0 /** * enum iwl_tx_cmd_sec_ctrl - bitmasks for security control in TX command * @TX_CMD_SEC_WEP: WEP encryption algorithm. * @TX_CMD_SEC_CCM: CCM encryption algorithm. * @TX_CMD_SEC_TKIP: TKIP encryption algorithm. * @TX_CMD_SEC_EXT: extended cipher algorithm. * @TX_CMD_SEC_GCMP: GCMP encryption algorithm. * @TX_CMD_SEC_KEY128: set for 104 bits WEP key. * @TX_CMD_SEC_KEY_FROM_TABLE: for a non-WEP key, set if the key should be taken * from the table instead of from the TX command. * If the key is taken from the key table its index should be given by the * first byte of the TX command key field. */ enum iwl_tx_cmd_sec_ctrl { TX_CMD_SEC_WEP = 0x01, TX_CMD_SEC_CCM = 0x02, TX_CMD_SEC_TKIP = 0x03, TX_CMD_SEC_EXT = 0x04, TX_CMD_SEC_GCMP = 0x05, TX_CMD_SEC_KEY128 = 0x08, TX_CMD_SEC_KEY_FROM_TABLE = 0x10, }; /* * TX command Frame life time in us - to be written in pm_frame_timeout */ #define TX_CMD_LIFE_TIME_INFINITE 0xFFFFFFFF #define TX_CMD_LIFE_TIME_DEFAULT 2000000 /* 2000 ms*/ #define TX_CMD_LIFE_TIME_PROBE_RESP 40000 /* 40 ms */ #define TX_CMD_LIFE_TIME_EXPIRED_FRAME 0 /* * TID for non QoS frames - to be written in tid_tspec */ #define IWL_TID_NON_QOS 0 /* * Limits on the retransmissions - to be written in {data,rts}_retry_limit */ #define IWL_DEFAULT_TX_RETRY 15 #define IWL_MGMT_DFAULT_RETRY_LIMIT 3 #define IWL_RTS_DFAULT_RETRY_LIMIT 60 #define IWL_BAR_DFAULT_RETRY_LIMIT 60 #define IWL_LOW_RETRY_LIMIT 7 /** * enum iwl_tx_offload_assist_flags_pos - set %iwl_tx_cmd offload_assist values * @TX_CMD_OFFLD_IP_HDR: offset to start of IP header (in words) * from mac header end. For normal case it is 4 words for SNAP. * note: tx_cmd, mac header and pad are not counted in the offset. * This is used to help the offload in case there is tunneling such as * IPv6 in IPv4, in such case the ip header offset should point to the * inner ip header and IPv4 checksum of the external header should be * calculated by driver. * @TX_CMD_OFFLD_L4_EN: enable TCP/UDP checksum * @TX_CMD_OFFLD_L3_EN: enable IP header checksum * @TX_CMD_OFFLD_MH_SIZE: size of the mac header in words. Includes the IV * field. Doesn't include the pad. * @TX_CMD_OFFLD_PAD: mark 2-byte pad was inserted after the mac header for * alignment * @TX_CMD_OFFLD_AMSDU: mark TX command is A-MSDU */ enum iwl_tx_offload_assist_flags_pos { TX_CMD_OFFLD_IP_HDR = 0, TX_CMD_OFFLD_L4_EN = 6, TX_CMD_OFFLD_L3_EN = 7, TX_CMD_OFFLD_MH_SIZE = 8, TX_CMD_OFFLD_PAD = 13, TX_CMD_OFFLD_AMSDU = 14, }; #define IWL_TX_CMD_OFFLD_MH_MASK 0x1f #define IWL_TX_CMD_OFFLD_IP_HDR_MASK 0x3f /* TODO: complete documentation for try_cnt and btkill_cnt */ /** * struct iwl_tx_cmd - TX command struct to FW * ( TX_CMD = 0x1c ) * @len: in bytes of the payload, see below for details * @offload_assist: TX offload configuration * @tx_flags: combination of TX_CMD_FLG_*, see &enum iwl_tx_flags * @scratch: scratch buffer used by the device * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is * cleared. Combination of RATE_MCS_* * @sta_id: index of destination station in FW station table * @sec_ctl: security control, TX_CMD_SEC_* * @initial_rate_index: index into the the rate table for initial TX attempt. * Applied if TX_CMD_FLG_STA_RATE_MSK is set, normally 0 for data frames. * @reserved2: reserved * @key: security key * @reserved3: reserved * @life_time: frame life time (usecs??) * @dram_lsb_ptr: Physical address of scratch area in the command (try_cnt + * btkill_cnd + reserved), first 32 bits. "0" disables usage. * @dram_msb_ptr: upper bits of the scratch physical address * @rts_retry_limit: max attempts for RTS * @data_retry_limit: max attempts to send the data packet * @tid_tspec: TID/tspec * @pm_frame_timeout: PM TX frame timeout * @reserved4: reserved * @payload: payload (same as @hdr) * @hdr: 802.11 header (same as @payload) * * The byte count (both len and next_frame_len) includes MAC header * (24/26/30/32 bytes) * + 2 bytes pad if 26/30 header size * + 8 byte IV for CCM or TKIP (not used for WEP) * + Data payload * + 8-byte MIC (not used for CCM/WEP) * It does not include post-MAC padding, i.e., * MIC (CCM) 8 bytes, ICV (WEP/TKIP/CKIP) 4 bytes, CRC 4 bytes. * Range of len: 14-2342 bytes. * * After the struct fields the MAC header is placed, plus any padding, * and then the actial payload. */ struct iwl_tx_cmd { __le16 len; __le16 offload_assist; __le32 tx_flags; struct { u8 try_cnt; u8 btkill_cnt; __le16 reserved; } scratch; /* DRAM_SCRATCH_API_U_VER_1 */ __le32 rate_n_flags; u8 sta_id; u8 sec_ctl; u8 initial_rate_index; u8 reserved2; u8 key[16]; __le32 reserved3; __le32 life_time; __le32 dram_lsb_ptr; u8 dram_msb_ptr; u8 rts_retry_limit; u8 data_retry_limit; u8 tid_tspec; __le16 pm_frame_timeout; __le16 reserved4; union { DECLARE_FLEX_ARRAY(u8, payload); DECLARE_FLEX_ARRAY(struct ieee80211_hdr, hdr); }; } __packed; /* TX_CMD_API_S_VER_6 */ struct iwl_dram_sec_info { __le32 pn_low; __le16 pn_high; __le16 aux_info; } __packed; /* DRAM_SEC_INFO_API_S_VER_1 */ /** * struct iwl_tx_cmd_gen2 - TX command struct to FW for 22000 devices * ( TX_CMD = 0x1c ) * @len: in bytes of the payload, see below for details * @offload_assist: TX offload configuration * @flags: combination of &enum iwl_tx_cmd_flags * @dram_info: FW internal DRAM storage * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is * cleared. Combination of RATE_MCS_* * @hdr: 802.11 header */ struct iwl_tx_cmd_gen2 { __le16 len; __le16 offload_assist; __le32 flags; struct iwl_dram_sec_info dram_info; __le32 rate_n_flags; struct ieee80211_hdr hdr[]; } __packed; /* TX_CMD_API_S_VER_7, TX_CMD_API_S_VER_9 */ /** * struct iwl_tx_cmd_gen3 - TX command struct to FW for AX210+ devices * ( TX_CMD = 0x1c ) * @len: in bytes of the payload, see below for details * @flags: combination of &enum iwl_tx_cmd_flags * @offload_assist: TX offload configuration * @dram_info: FW internal DRAM storage * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is * cleared. Combination of RATE_MCS_* * @reserved: reserved * @hdr: 802.11 header */ struct iwl_tx_cmd_gen3 { __le16 len; __le16 flags; __le32 offload_assist; struct iwl_dram_sec_info dram_info; __le32 rate_n_flags; u8 reserved[8]; struct ieee80211_hdr hdr[]; } __packed; /* TX_CMD_API_S_VER_8, TX_CMD_API_S_VER_10 */ /* * TX response related data */ /* * enum iwl_tx_status - status that is returned by the fw after attempts to Tx * @TX_STATUS_SUCCESS: * @TX_STATUS_DIRECT_DONE: * @TX_STATUS_POSTPONE_DELAY: * @TX_STATUS_POSTPONE_FEW_BYTES: * @TX_STATUS_POSTPONE_BT_PRIO: * @TX_STATUS_POSTPONE_QUIET_PERIOD: * @TX_STATUS_POSTPONE_CALC_TTAK: * @TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY: * @TX_STATUS_FAIL_SHORT_LIMIT: * @TX_STATUS_FAIL_LONG_LIMIT: * @TX_STATUS_FAIL_UNDERRUN: * @TX_STATUS_FAIL_DRAIN_FLOW: * @TX_STATUS_FAIL_RFKILL_FLUSH: * @TX_STATUS_FAIL_LIFE_EXPIRE: * @TX_STATUS_FAIL_DEST_PS: * @TX_STATUS_FAIL_HOST_ABORTED: * @TX_STATUS_FAIL_BT_RETRY: * @TX_STATUS_FAIL_STA_INVALID: * @TX_TATUS_FAIL_FRAG_DROPPED: * @TX_STATUS_FAIL_TID_DISABLE: * @TX_STATUS_FAIL_FIFO_FLUSHED: * @TX_STATUS_FAIL_SMALL_CF_POLL: * @TX_STATUS_FAIL_FW_DROP: * @TX_STATUS_FAIL_STA_COLOR_MISMATCH: mismatch between color of Tx cmd and * STA table * @TX_FRAME_STATUS_INTERNAL_ABORT: * @TX_MODE_MSK: * @TX_MODE_NO_BURST: * @TX_MODE_IN_BURST_SEQ: * @TX_MODE_FIRST_IN_BURST: * @TX_QUEUE_NUM_MSK: * * Valid only if frame_count =1 * TODO: complete documentation */ enum iwl_tx_status { TX_STATUS_MSK = 0x000000ff, TX_STATUS_SUCCESS = 0x01, TX_STATUS_DIRECT_DONE = 0x02, /* postpone TX */ TX_STATUS_POSTPONE_DELAY = 0x40, TX_STATUS_POSTPONE_FEW_BYTES = 0x41, TX_STATUS_POSTPONE_BT_PRIO = 0x42, TX_STATUS_POSTPONE_QUIET_PERIOD = 0x43, TX_STATUS_POSTPONE_CALC_TTAK = 0x44, /* abort TX */ TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY = 0x81, TX_STATUS_FAIL_SHORT_LIMIT = 0x82, TX_STATUS_FAIL_LONG_LIMIT = 0x83, TX_STATUS_FAIL_UNDERRUN = 0x84, TX_STATUS_FAIL_DRAIN_FLOW = 0x85, TX_STATUS_FAIL_RFKILL_FLUSH = 0x86, TX_STATUS_FAIL_LIFE_EXPIRE = 0x87, TX_STATUS_FAIL_DEST_PS = 0x88, TX_STATUS_FAIL_HOST_ABORTED = 0x89, TX_STATUS_FAIL_BT_RETRY = 0x8a, TX_STATUS_FAIL_STA_INVALID = 0x8b, TX_STATUS_FAIL_FRAG_DROPPED = 0x8c, TX_STATUS_FAIL_TID_DISABLE = 0x8d, TX_STATUS_FAIL_FIFO_FLUSHED = 0x8e, TX_STATUS_FAIL_SMALL_CF_POLL = 0x8f, TX_STATUS_FAIL_FW_DROP = 0x90, TX_STATUS_FAIL_STA_COLOR_MISMATCH = 0x91, TX_STATUS_INTERNAL_ABORT = 0x92, TX_MODE_MSK = 0x00000f00, TX_MODE_NO_BURST = 0x00000000, TX_MODE_IN_BURST_SEQ = 0x00000100, TX_MODE_FIRST_IN_BURST = 0x00000200, TX_QUEUE_NUM_MSK = 0x0001f000, TX_NARROW_BW_MSK = 0x00060000, TX_NARROW_BW_1DIV2 = 0x00020000, TX_NARROW_BW_1DIV4 = 0x00040000, TX_NARROW_BW_1DIV8 = 0x00060000, }; /* * enum iwl_tx_agg_status - TX aggregation status * @AGG_TX_STATE_STATUS_MSK: * @AGG_TX_STATE_TRANSMITTED: * @AGG_TX_STATE_UNDERRUN: * @AGG_TX_STATE_BT_PRIO: * @AGG_TX_STATE_FEW_BYTES: * @AGG_TX_STATE_ABORT: * @AGG_TX_STATE_TX_ON_AIR_DROP: TX_ON_AIR signal drop without underrun or * BT detection * @AGG_TX_STATE_LAST_SENT_TRY_CNT: * @AGG_TX_STATE_LAST_SENT_BT_KILL: * @AGG_TX_STATE_SCD_QUERY: * @AGG_TX_STATE_TEST_BAD_CRC32: * @AGG_TX_STATE_RESPONSE: * @AGG_TX_STATE_DUMP_TX: * @AGG_TX_STATE_DELAY_TX: * @AGG_TX_STATE_TRY_CNT_MSK: Retry count for 1st frame in aggregation (retries * occur if tx failed for this frame when it was a member of a previous * aggregation block). If rate scaling is used, retry count indicates the * rate table entry used for all frames in the new agg. * @AGG_TX_STATE_SEQ_NUM_MSK: Command ID and sequence number of Tx command for * this frame * * TODO: complete documentation */ enum iwl_tx_agg_status { AGG_TX_STATE_STATUS_MSK = 0x00fff, AGG_TX_STATE_TRANSMITTED = 0x000, AGG_TX_STATE_UNDERRUN = 0x001, AGG_TX_STATE_BT_PRIO = 0x002, AGG_TX_STATE_FEW_BYTES = 0x004, AGG_TX_STATE_ABORT = 0x008, AGG_TX_STATE_TX_ON_AIR_DROP = 0x010, AGG_TX_STATE_LAST_SENT_TRY_CNT = 0x020, AGG_TX_STATE_LAST_SENT_BT_KILL = 0x040, AGG_TX_STATE_SCD_QUERY = 0x080, AGG_TX_STATE_TEST_BAD_CRC32 = 0x0100, AGG_TX_STATE_RESPONSE = 0x1ff, AGG_TX_STATE_DUMP_TX = 0x200, AGG_TX_STATE_DELAY_TX = 0x400, AGG_TX_STATE_TRY_CNT_POS = 12, AGG_TX_STATE_TRY_CNT_MSK = 0xf << AGG_TX_STATE_TRY_CNT_POS, }; /* * The mask below describes a status where we are absolutely sure that the MPDU * wasn't sent. For BA/Underrun we cannot be that sure. All we know that we've * written the bytes to the TXE, but we know nothing about what the DSP did. */ #define AGG_TX_STAT_FRAME_NOT_SENT (AGG_TX_STATE_FEW_BYTES | \ AGG_TX_STATE_ABORT | \ AGG_TX_STATE_SCD_QUERY) /* * REPLY_TX = 0x1c (response) * * This response may be in one of two slightly different formats, indicated * by the frame_count field: * * 1) No aggregation (frame_count == 1). This reports Tx results for a single * frame. Multiple attempts, at various bit rates, may have been made for * this frame. * * 2) Aggregation (frame_count > 1). This reports Tx results for two or more * frames that used block-acknowledge. All frames were transmitted at * same rate. Rate scaling may have been used if first frame in this new * agg block failed in previous agg block(s). * * Note that, for aggregation, ACK (block-ack) status is not delivered * here; block-ack has not been received by the time the device records * this status. * This status relates to reasons the tx might have been blocked or aborted * within the device, rather than whether it was received successfully by * the destination station. */ /** * struct agg_tx_status - per packet TX aggregation status * @status: See &enum iwl_tx_agg_status * @sequence: Sequence # for this frame's Tx cmd (not SSN!) */ struct agg_tx_status { __le16 status; __le16 sequence; } __packed; /* * definitions for initial rate index field * bits [3:0] initial rate index * bits [6:4] rate table color, used for the initial rate * bit-7 invalid rate indication */ #define TX_RES_INIT_RATE_INDEX_MSK 0x0f #define TX_RES_RATE_TABLE_COLOR_POS 4 #define TX_RES_RATE_TABLE_COLOR_MSK 0x70 #define TX_RES_INV_RATE_INDEX_MSK 0x80 #define TX_RES_RATE_TABLE_COL_GET(_f) (((_f) & TX_RES_RATE_TABLE_COLOR_MSK) >>\ TX_RES_RATE_TABLE_COLOR_POS) #define IWL_MVM_TX_RES_GET_TID(_ra_tid) ((_ra_tid) & 0x0f) #define IWL_MVM_TX_RES_GET_RA(_ra_tid) ((_ra_tid) >> 4) /** * struct iwl_mvm_tx_resp_v3 - notifies that fw is TXing a packet * ( REPLY_TX = 0x1c ) * @frame_count: 1 no aggregation, >1 aggregation * @bt_kill_count: num of times blocked by bluetooth (unused for agg) * @failure_rts: num of failures due to unsuccessful RTS * @failure_frame: num failures due to no ACK (unused for agg) * @initial_rate: for non-agg: rate of the successful Tx. For agg: rate of the * Tx of all the batch. RATE_MCS_* * @wireless_media_time: for non-agg: RTS + CTS + frame tx attempts time + ACK. * for agg: RTS + CTS + aggregation tx time + block-ack time. * in usec. * @pa_status: tx power info * @pa_integ_res_a: tx power info * @pa_integ_res_b: tx power info * @pa_integ_res_c: tx power info * @measurement_req_id: tx power info * @reduced_tpc: transmit power reduction used * @reserved: reserved * @tfd_info: TFD information set by the FH * @seq_ctl: sequence control from the Tx cmd * @byte_cnt: byte count from the Tx cmd * @tlc_info: TLC rate info * @ra_tid: bits [3:0] = ra, bits [7:4] = tid * @frame_ctrl: frame control * @status: for non-agg: frame status TX_STATUS_* * for agg: status of 1st frame, AGG_TX_STATE_*; other frame status fields * follow this one, up to frame_count. Length in @frame_count. * * After the array of statuses comes the SSN of the SCD. Look at * %iwl_mvm_get_scd_ssn for more details. */ struct iwl_mvm_tx_resp_v3 { u8 frame_count; u8 bt_kill_count; u8 failure_rts; u8 failure_frame; __le32 initial_rate; __le16 wireless_media_time; u8 pa_status; u8 pa_integ_res_a[3]; u8 pa_integ_res_b[3]; u8 pa_integ_res_c[3]; __le16 measurement_req_id; u8 reduced_tpc; u8 reserved; __le32 tfd_info; __le16 seq_ctl; __le16 byte_cnt; u8 tlc_info; u8 ra_tid; __le16 frame_ctrl; struct agg_tx_status status[]; } __packed; /* TX_RSP_API_S_VER_3 */ /** * struct iwl_mvm_tx_resp - notifies that fw is TXing a packet * ( REPLY_TX = 0x1c ) * @frame_count: 1 no aggregation, >1 aggregation * @bt_kill_count: num of times blocked by bluetooth (unused for agg) * @failure_rts: num of failures due to unsuccessful RTS * @failure_frame: num failures due to no ACK (unused for agg) * @initial_rate: for non-agg: rate of the successful Tx. For agg: rate of the * Tx of all the batch. RATE_MCS_* * @wireless_media_time: for non-agg: RTS + CTS + frame tx attempts time + ACK. * for agg: RTS + CTS + aggregation tx time + block-ack time. * in usec. * @pa_status: tx power info * @pa_integ_res_a: tx power info * @pa_integ_res_b: tx power info * @pa_integ_res_c: tx power info * @measurement_req_id: tx power info * @reduced_tpc: transmit power reduction used * @reserved: reserved * @tfd_info: TFD information set by the FH * @seq_ctl: sequence control from the Tx cmd * @byte_cnt: byte count from the Tx cmd * @tlc_info: TLC rate info * @ra_tid: bits [3:0] = ra, bits [7:4] = tid * @frame_ctrl: frame control * @tx_queue: TX queue for this response * @reserved2: reserved for padding/alignment * @status: for non-agg: frame status TX_STATUS_* * For version 6 TX response isn't received for aggregation at all. * * After the array of statuses comes the SSN of the SCD. Look at * %iwl_mvm_get_scd_ssn for more details. */ struct iwl_mvm_tx_resp { u8 frame_count; u8 bt_kill_count; u8 failure_rts; u8 failure_frame; __le32 initial_rate; __le16 wireless_media_time; u8 pa_status; u8 pa_integ_res_a[3]; u8 pa_integ_res_b[3]; u8 pa_integ_res_c[3]; __le16 measurement_req_id; u8 reduced_tpc; u8 reserved; __le32 tfd_info; __le16 seq_ctl; __le16 byte_cnt; u8 tlc_info; u8 ra_tid; __le16 frame_ctrl; __le16 tx_queue; __le16 reserved2; struct agg_tx_status status; } __packed; /* TX_RSP_API_S_VER_6, TX_RSP_API_S_VER_7 */ /** * struct iwl_mvm_ba_notif - notifies about reception of BA * ( BA_NOTIF = 0xc5 ) * @sta_addr: MAC address * @reserved: reserved * @sta_id: Index of recipient (BA-sending) station in fw's station table * @tid: tid of the session * @seq_ctl: sequence control field * @bitmap: the bitmap of the BA notification as seen in the air * @scd_flow: the tx queue this BA relates to * @scd_ssn: the index of the last contiguously sent packet * @txed: number of Txed frames in this batch * @txed_2_done: number of Acked frames in this batch * @reduced_txp: power reduced according to TPC. This is the actual value and * not a copy from the LQ command. Thus, if not the first rate was used * for Tx-ing then this value will be set to 0 by FW. * @reserved1: reserved */ struct iwl_mvm_ba_notif { u8 sta_addr[ETH_ALEN]; __le16 reserved; u8 sta_id; u8 tid; __le16 seq_ctl; __le64 bitmap; __le16 scd_flow; __le16 scd_ssn; u8 txed; u8 txed_2_done; u8 reduced_txp; u8 reserved1; } __packed; /** * struct iwl_mvm_compressed_ba_tfd - progress of a TFD queue * @q_num: TFD queue number * @tfd_index: Index of first un-acked frame in the TFD queue * @scd_queue: For debug only - the physical queue the TFD queue is bound to * @tid: TID of the queue (0-7) * @reserved: reserved for alignment */ struct iwl_mvm_compressed_ba_tfd { __le16 q_num; __le16 tfd_index; u8 scd_queue; u8 tid; u8 reserved[2]; } __packed; /* COMPRESSED_BA_TFD_API_S_VER_1 */ /** * struct iwl_mvm_compressed_ba_ratid - progress of a RA TID queue * @q_num: RA TID queue number * @tid: TID of the queue * @ssn: BA window current SSN */ struct iwl_mvm_compressed_ba_ratid { u8 q_num; u8 tid; __le16 ssn; } __packed; /* COMPRESSED_BA_RATID_API_S_VER_1 */ /* * enum iwl_mvm_ba_resp_flags - TX aggregation status * @IWL_MVM_BA_RESP_TX_AGG: generated due to BA * @IWL_MVM_BA_RESP_TX_BAR: generated due to BA after BAR * @IWL_MVM_BA_RESP_TX_AGG_FAIL: aggregation didn't receive BA * @IWL_MVM_BA_RESP_TX_UNDERRUN: aggregation got underrun * @IWL_MVM_BA_RESP_TX_BT_KILL: aggregation got BT-kill * @IWL_MVM_BA_RESP_TX_DSP_TIMEOUT: aggregation didn't finish within the * expected time */ enum iwl_mvm_ba_resp_flags { IWL_MVM_BA_RESP_TX_AGG, IWL_MVM_BA_RESP_TX_BAR, IWL_MVM_BA_RESP_TX_AGG_FAIL, IWL_MVM_BA_RESP_TX_UNDERRUN, IWL_MVM_BA_RESP_TX_BT_KILL, IWL_MVM_BA_RESP_TX_DSP_TIMEOUT }; /** * struct iwl_mvm_compressed_ba_notif - notifies about reception of BA * ( BA_NOTIF = 0xc5 ) * @flags: status flag, see the &iwl_mvm_ba_resp_flags * @sta_id: Index of recipient (BA-sending) station in fw's station table * @reduced_txp: power reduced according to TPC. This is the actual value and * not a copy from the LQ command. Thus, if not the first rate was used * for Tx-ing then this value will be set to 0 by FW. * @tlc_rate_info: TLC rate info, initial rate index, TLC table color * @retry_cnt: retry count * @query_byte_cnt: SCD query byte count * @query_frame_cnt: SCD query frame count * @txed: number of frames sent in the aggregation (all-TIDs) * @done: number of frames that were Acked by the BA (all-TIDs) * @reserved: reserved (for alignment) * @wireless_time: Wireless-media time * @tx_rate: the rate the aggregation was sent at * @tfd_cnt: number of TFD-Q elements * @ra_tid_cnt: number of RATID-Q elements * @tfd: array of TFD queue status updates. See &iwl_mvm_compressed_ba_tfd * for details. Length in @tfd_cnt. * @ra_tid: array of RA-TID queue status updates. For debug purposes only. See * &iwl_mvm_compressed_ba_ratid for more details. Length in @ra_tid_cnt. */ struct iwl_mvm_compressed_ba_notif { __le32 flags; u8 sta_id; u8 reduced_txp; u8 tlc_rate_info; u8 retry_cnt; __le32 query_byte_cnt; __le16 query_frame_cnt; __le16 txed; __le16 done; __le16 reserved; __le32 wireless_time; __le32 tx_rate; __le16 tfd_cnt; __le16 ra_tid_cnt; union { DECLARE_FLEX_ARRAY(struct iwl_mvm_compressed_ba_ratid, ra_tid); DECLARE_FLEX_ARRAY(struct iwl_mvm_compressed_ba_tfd, tfd); }; } __packed; /* COMPRESSED_BA_RES_API_S_VER_4, COMPRESSED_BA_RES_API_S_VER_5 */ /** * struct iwl_mac_beacon_cmd_v6 - beacon template command * @tx: the tx commands associated with the beacon frame * @template_id: currently equal to the mac context id of the coresponding * mac. * @tim_idx: the offset of the tim IE in the beacon * @tim_size: the length of the tim IE * @frame: the template of the beacon frame */ struct iwl_mac_beacon_cmd_v6 { struct iwl_tx_cmd tx; __le32 template_id; __le32 tim_idx; __le32 tim_size; struct ieee80211_hdr frame[]; } __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_6 */ /** * struct iwl_mac_beacon_cmd_v7 - beacon template command with offloaded CSA * @tx: the tx commands associated with the beacon frame * @template_id: currently equal to the mac context id of the coresponding * mac. * @tim_idx: the offset of the tim IE in the beacon * @tim_size: the length of the tim IE * @ecsa_offset: offset to the ECSA IE if present * @csa_offset: offset to the CSA IE if present * @frame: the template of the beacon frame */ struct iwl_mac_beacon_cmd_v7 { struct iwl_tx_cmd tx; __le32 template_id; __le32 tim_idx; __le32 tim_size; __le32 ecsa_offset; __le32 csa_offset; struct ieee80211_hdr frame[]; } __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_7 */ /* Bit flags for BEACON_TEMPLATE_CMD_API until version 10 */ enum iwl_mac_beacon_flags_v1 { IWL_MAC_BEACON_CCK_V1 = BIT(8), IWL_MAC_BEACON_ANT_A_V1 = BIT(9), IWL_MAC_BEACON_ANT_B_V1 = BIT(10), IWL_MAC_BEACON_FILS_V1 = BIT(12), }; /* Bit flags for BEACON_TEMPLATE_CMD_API version 11 and above */ enum iwl_mac_beacon_flags { IWL_MAC_BEACON_CCK = BIT(5), IWL_MAC_BEACON_ANT_A = BIT(6), IWL_MAC_BEACON_ANT_B = BIT(7), IWL_MAC_BEACON_FILS = BIT(8), }; /** * struct iwl_mac_beacon_cmd - beacon template command with offloaded CSA * @byte_cnt: byte count of the beacon frame. * @flags: least significant byte for rate code. The most significant byte * is &enum iwl_mac_beacon_flags. * @short_ssid: Short SSID * @reserved: reserved * @link_id: the firmware id of the link that will use this beacon * @tim_idx: the offset of the tim IE in the beacon * @tim_size: the length of the tim IE * @ecsa_offset: offset to the ECSA IE if present * @csa_offset: offset to the CSA IE if present * @frame: the template of the beacon frame */ struct iwl_mac_beacon_cmd { __le16 byte_cnt; __le16 flags; __le32 short_ssid; __le32 reserved; __le32 link_id; __le32 tim_idx; __le32 tim_size; __le32 ecsa_offset; __le32 csa_offset; struct ieee80211_hdr frame[]; } __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_10, * BEACON_TEMPLATE_CMD_API_S_VER_11, * BEACON_TEMPLATE_CMD_API_S_VER_12, * BEACON_TEMPLATE_CMD_API_S_VER_13 */ struct iwl_beacon_notif { struct iwl_mvm_tx_resp beacon_notify_hdr; __le64 tsf; __le32 ibss_mgr_status; } __packed; /** * struct iwl_extended_beacon_notif_v5 - notifies about beacon transmission * @beacon_notify_hdr: tx response command associated with the beacon * @tsf: last beacon tsf * @ibss_mgr_status: whether IBSS is manager * @gp2: last beacon time in gp2 */ struct iwl_extended_beacon_notif_v5 { struct iwl_mvm_tx_resp beacon_notify_hdr; __le64 tsf; __le32 ibss_mgr_status; __le32 gp2; } __packed; /* BEACON_NTFY_API_S_VER_5 */ /** * struct iwl_extended_beacon_notif - notifies about beacon transmission * @status: the status of the Tx response of the beacon * @tsf: last beacon tsf * @ibss_mgr_status: whether IBSS is manager * @gp2: last beacon time in gp2 */ struct iwl_extended_beacon_notif { __le32 status; __le64 tsf; __le32 ibss_mgr_status; __le32 gp2; } __packed; /* BEACON_NTFY_API_S_VER_6_ */ /** * enum iwl_dump_control - dump (flush) control flags * @DUMP_TX_FIFO_FLUSH: Dump MSDUs until the the FIFO is empty * and the TFD queues are empty. */ enum iwl_dump_control { DUMP_TX_FIFO_FLUSH = BIT(1), }; /** * struct iwl_tx_path_flush_cmd -- queue/FIFO flush command * @queues_ctl: bitmap of queues to flush * @flush_ctl: control flags * @reserved: reserved */ struct iwl_tx_path_flush_cmd_v1 { __le32 queues_ctl; __le16 flush_ctl; __le16 reserved; } __packed; /* TX_PATH_FLUSH_CMD_API_S_VER_1 */ /** * struct iwl_tx_path_flush_cmd -- queue/FIFO flush command * @sta_id: station ID to flush * @tid_mask: TID mask to flush * @reserved: reserved */ struct iwl_tx_path_flush_cmd { __le32 sta_id; __le16 tid_mask; __le16 reserved; } __packed; /* TX_PATH_FLUSH_CMD_API_S_VER_2 */ #define IWL_TX_FLUSH_QUEUE_RSP 16 /** * struct iwl_flush_queue_info - virtual flush queue info * @queue_num: virtual queue id * @read_before_flush: read pointer before flush * @read_after_flush: read pointer after flush */ struct iwl_flush_queue_info { __le16 tid; __le16 queue_num; __le16 read_before_flush; __le16 read_after_flush; } __packed; /* TFDQ_FLUSH_INFO_API_S_VER_1 */ /** * struct iwl_tx_path_flush_cmd_rsp -- queue/FIFO flush command response * @num_flushed_queues: number of queues in queues array * @queues: all flushed queues */ struct iwl_tx_path_flush_cmd_rsp { __le16 sta_id; __le16 num_flushed_queues; struct iwl_flush_queue_info queues[IWL_TX_FLUSH_QUEUE_RSP]; } __packed; /* TX_PATH_FLUSH_CMD_RSP_API_S_VER_1 */ /* Available options for the SCD_QUEUE_CFG HCMD */ enum iwl_scd_cfg_actions { SCD_CFG_DISABLE_QUEUE = 0x0, SCD_CFG_ENABLE_QUEUE = 0x1, SCD_CFG_UPDATE_QUEUE_TID = 0x2, }; /** * struct iwl_scd_txq_cfg_cmd - New txq hw scheduler config command * @token: unused * @sta_id: station id * @tid: TID * @scd_queue: scheduler queue to confiug * @action: 1 queue enable, 0 queue disable, 2 change txq's tid owner * Value is one of &enum iwl_scd_cfg_actions options * @aggregate: 1 aggregated queue, 0 otherwise * @tx_fifo: &enum iwl_mvm_tx_fifo * @window: BA window size * @ssn: SSN for the BA agreement * @reserved: reserved */ struct iwl_scd_txq_cfg_cmd { u8 token; u8 sta_id; u8 tid; u8 scd_queue; u8 action; u8 aggregate; u8 tx_fifo; u8 window; __le16 ssn; __le16 reserved; } __packed; /* SCD_QUEUE_CFG_CMD_API_S_VER_1 */ /** * struct iwl_scd_txq_cfg_rsp * @token: taken from the command * @sta_id: station id from the command * @tid: tid from the command * @scd_queue: scd_queue from the command */ struct iwl_scd_txq_cfg_rsp { u8 token; u8 sta_id; u8 tid; u8 scd_queue; } __packed; /* SCD_QUEUE_CFG_RSP_API_S_VER_1 */ #endif /* __iwl_fw_api_tx_h__ */