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

     /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
     /*
      * Copyright (C) 2012-2014 Intel Corporation
      * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
      * Copyright (C) 2016-2017 Intel Deutschland GmbH
      */
     #ifndef __iwl_fw_api_sf_h__
     #define __iwl_fw_api_sf_h__
     
    /* Smart Fifo state */
    enum iwl_sf_state {
            SF_LONG_DELAY_ON = 0, /* should never be called by driver */
            SF_FULL_ON,
            SF_UNINIT,
            SF_INIT_OFF,
            SF_HW_NUM_STATES
    };
    
    /* Smart Fifo possible scenario */
    enum iwl_sf_scenario {
            SF_SCENARIO_SINGLE_UNICAST,
            SF_SCENARIO_AGG_UNICAST,
            SF_SCENARIO_MULTICAST,
            SF_SCENARIO_BA_RESP,
            SF_SCENARIO_TX_RESP,
            SF_NUM_SCENARIO
    };
    
    #define SF_TRANSIENT_STATES_NUMBER 2    /* SF_LONG_DELAY_ON and SF_FULL_ON */
    #define SF_NUM_TIMEOUT_TYPES 2          /* Aging timer and Idle timer */
    
    /* smart FIFO default values */
    #define SF_W_MARK_SISO 6144
    #define SF_W_MARK_MIMO2 8192
    #define SF_W_MARK_MIMO3 6144
    #define SF_W_MARK_LEGACY 4096
    #define SF_W_MARK_SCAN 4096
    
    /* SF Scenarios timers for default configuration (aligned to 32 uSec) */
    #define SF_SINGLE_UNICAST_IDLE_TIMER_DEF 160    /* 150 uSec  */
    #define SF_SINGLE_UNICAST_AGING_TIMER_DEF 400   /* 0.4 mSec */
    #define SF_AGG_UNICAST_IDLE_TIMER_DEF 160               /* 150 uSec */
    #define SF_AGG_UNICAST_AGING_TIMER_DEF 400              /* 0.4 mSec */
    #define SF_MCAST_IDLE_TIMER_DEF 160             /* 150 mSec */
    #define SF_MCAST_AGING_TIMER_DEF 400            /* 0.4 mSec */
    #define SF_BA_IDLE_TIMER_DEF 160                        /* 150 uSec */
    #define SF_BA_AGING_TIMER_DEF 400                       /* 0.4 mSec */
    #define SF_TX_RE_IDLE_TIMER_DEF 160                     /* 150 uSec */
    #define SF_TX_RE_AGING_TIMER_DEF 400            /* 0.4 mSec */
    
    /* SF Scenarios timers for BSS MAC configuration (aligned to 32 uSec) */
    #define SF_SINGLE_UNICAST_IDLE_TIMER 320        /* 300 uSec  */
    #define SF_SINGLE_UNICAST_AGING_TIMER 2016      /* 2 mSec */
    #define SF_AGG_UNICAST_IDLE_TIMER 320           /* 300 uSec */
    #define SF_AGG_UNICAST_AGING_TIMER 2016         /* 2 mSec */
    #define SF_MCAST_IDLE_TIMER 2016                /* 2 mSec */
    #define SF_MCAST_AGING_TIMER 10016              /* 10 mSec */
    #define SF_BA_IDLE_TIMER 320                    /* 300 uSec */
    #define SF_BA_AGING_TIMER 2016                  /* 2 mSec */
    #define SF_TX_RE_IDLE_TIMER 320                 /* 300 uSec */
    #define SF_TX_RE_AGING_TIMER 2016               /* 2 mSec */
    
    #define SF_LONG_DELAY_AGING_TIMER 1000000       /* 1 Sec */
    
    #define SF_CFG_DUMMY_NOTIF_OFF  BIT(16)
    
    /**
     * struct iwl_sf_cfg_cmd - Smart Fifo configuration command.
     * @state: smart fifo state, types listed in &enum iwl_sf_state.
     * @watermark: Minimum allowed available free space in RXF for transient state.
     * @long_delay_timeouts: aging and idle timer values for each scenario
     * in long delay state.
     * @full_on_timeouts: timer values for each scenario in full on state.
     */
    struct iwl_sf_cfg_cmd {
            __le32 state;
            __le32 watermark[SF_TRANSIENT_STATES_NUMBER];
            __le32 long_delay_timeouts[SF_NUM_SCENARIO][SF_NUM_TIMEOUT_TYPES];
            __le32 full_on_timeouts[SF_NUM_SCENARIO][SF_NUM_TIMEOUT_TYPES];
    } __packed; /* SF_CFG_API_S_VER_2 */
    
    #endif /* __iwl_fw_api_sf_h__ */

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