FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/iwlwifi/fw/api/tdls.h

     /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
     /*
      * Copyright (C) 2012-2014, 2018 Intel Corporation
      * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
      * Copyright (C) 2016-2017 Intel Deutschland GmbH
      */
     #ifndef __iwl_fw_api_tdls_h__
     #define __iwl_fw_api_tdls_h__
     
    #include "fw/api/tx.h"
    #include "fw/api/phy-ctxt.h"
    
    #define IWL_MVM_TDLS_STA_COUNT  4
    
    /* Type of TDLS request */
    enum iwl_tdls_channel_switch_type {
            TDLS_SEND_CHAN_SW_REQ = 0,
            TDLS_SEND_CHAN_SW_RESP_AND_MOVE_CH,
            TDLS_MOVE_CH,
    }; /* TDLS_STA_CHANNEL_SWITCH_CMD_TYPE_API_E_VER_1 */
    
    /**
     * struct iwl_tdls_channel_switch_timing - Switch timing in TDLS channel-switch
     * @frame_timestamp: GP2 timestamp of channel-switch request/response packet
     *      received from peer
     * @max_offchan_duration: What amount of microseconds out of a DTIM is given
     *      to the TDLS off-channel communication. For instance if the DTIM is
     *      200TU and the TDLS peer is to be given 25% of the time, the value
     *      given will be 50TU, or 50 * 1024 if translated into microseconds.
     * @switch_time: switch time the peer sent in its channel switch timing IE
     * @switch_timeout: switch timeout the peer sent in its channel switch timing IE
     */
    struct iwl_tdls_channel_switch_timing {
            __le32 frame_timestamp; /* GP2 time of peer packet Rx */
            __le32 max_offchan_duration; /* given in micro-seconds */
            __le32 switch_time; /* given in micro-seconds */
            __le32 switch_timeout; /* given in micro-seconds */
    } __packed; /* TDLS_STA_CHANNEL_SWITCH_TIMING_DATA_API_S_VER_1 */
    
    #define IWL_TDLS_CH_SW_FRAME_MAX_SIZE 200
    
    /**
     * struct iwl_tdls_channel_switch_frame - TDLS channel switch frame template
     *
     * A template representing a TDLS channel-switch request or response frame
     *
     * @switch_time_offset: offset to the channel switch timing IE in the template
     * @tx_cmd: Tx parameters for the frame
     * @data: frame data
     */
    struct iwl_tdls_channel_switch_frame {
            __le32 switch_time_offset;
            struct iwl_tx_cmd tx_cmd;
            u8 data[IWL_TDLS_CH_SW_FRAME_MAX_SIZE];
    } __packed; /* TDLS_STA_CHANNEL_SWITCH_FRAME_API_S_VER_1 */
    
    /**
     * struct iwl_tdls_channel_switch_cmd_tail - tail of iwl_tdls_channel_switch_cmd
     *
     * @timing: timing related data for command
     * @frame: channel-switch request/response template, depending to switch_type
     */
    struct iwl_tdls_channel_switch_cmd_tail {
            struct iwl_tdls_channel_switch_timing timing;
            struct iwl_tdls_channel_switch_frame frame;
    } __packed;
    
    /**
     * struct iwl_tdls_channel_switch_cmd - TDLS channel switch command
     *
     * The command is sent to initiate a channel switch and also in response to
     * incoming TDLS channel-switch request/response packets from remote peers.
     *
     * @switch_type: see &enum iwl_tdls_channel_switch_type
     * @peer_sta_id: station id of TDLS peer
     * @ci: channel we switch to
     * @tail: command tail
     */
    struct iwl_tdls_channel_switch_cmd {
            u8 switch_type;
            __le32 peer_sta_id;
            struct iwl_fw_channel_info ci;
            struct iwl_tdls_channel_switch_cmd_tail tail;
    } __packed; /* TDLS_STA_CHANNEL_SWITCH_CMD_API_S_VER_1 */
    
    /**
     * struct iwl_tdls_channel_switch_notif - TDLS channel switch start notification
     *
     * @status: non-zero on success
     * @offchannel_duration: duration given in microseconds
     * @sta_id: peer currently performing the channel-switch with
     */
    struct iwl_tdls_channel_switch_notif {
            __le32 status;
            __le32 offchannel_duration;
            __le32 sta_id;
    } __packed; /* TDLS_STA_CHANNEL_SWITCH_NTFY_API_S_VER_1 */
    
    /**
    * struct iwl_tdls_sta_info - TDLS station info
    *
    * @sta_id: station id of the TDLS peer
    * @tx_to_peer_tid: TID reserved vs. the peer for FW based Tx
    * @tx_to_peer_ssn: initial SSN the FW should use for Tx on its TID vs the peer
    * @is_initiator: 1 if the peer is the TDLS link initiator, 0 otherwise
    */
   struct iwl_tdls_sta_info {
           u8 sta_id;
           u8 tx_to_peer_tid;
           __le16 tx_to_peer_ssn;
           __le32 is_initiator;
   } __packed; /* TDLS_STA_INFO_VER_1 */
   
   /**
    * struct iwl_tdls_config_cmd - TDLS basic config command
    *
    * @id_and_color: MAC id and color being configured
    * @tdls_peer_count: amount of currently connected TDLS peers
    * @tx_to_ap_tid: TID reverved vs. the AP for FW based Tx
    * @tx_to_ap_ssn: initial SSN the FW should use for Tx on its TID vs. the AP
    * @sta_info: per-station info. Only the first tdls_peer_count entries are set
    * @pti_req_data_offset: offset of network-level data for the PTI template
    * @pti_req_tx_cmd: Tx parameters for PTI request template
    * @pti_req_template: PTI request template data
    */
   struct iwl_tdls_config_cmd {
           __le32 id_and_color; /* mac id and color */
           u8 tdls_peer_count;
           u8 tx_to_ap_tid;
           __le16 tx_to_ap_ssn;
           struct iwl_tdls_sta_info sta_info[IWL_MVM_TDLS_STA_COUNT];
   
           __le32 pti_req_data_offset;
           struct iwl_tx_cmd pti_req_tx_cmd;
           u8 pti_req_template[0];
   } __packed; /* TDLS_CONFIG_CMD_API_S_VER_1 */
   
   /**
    * struct iwl_tdls_config_sta_info_res - TDLS per-station config information
    *
    * @sta_id: station id of the TDLS peer
    * @tx_to_peer_last_seq: last sequence number used by FW during FW-based Tx to
    *      the peer
    */
   struct iwl_tdls_config_sta_info_res {
           __le16 sta_id;
           __le16 tx_to_peer_last_seq;
   } __packed; /* TDLS_STA_INFO_RSP_VER_1 */
   
   /**
    * struct iwl_tdls_config_res - TDLS config information from FW
    *
    * @tx_to_ap_last_seq: last sequence number used by FW during FW-based Tx to AP
    * @sta_info: per-station TDLS config information
    */
   struct iwl_tdls_config_res {
           __le32 tx_to_ap_last_seq;
           struct iwl_tdls_config_sta_info_res sta_info[IWL_MVM_TDLS_STA_COUNT];
   } __packed; /* TDLS_CONFIG_RSP_API_S_VER_1 */
   
   #endif /* __iwl_fw_api_tdls_h__ */

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