FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/iwlwifi/mvm/rs.h

     /*-
      * Copyright (c) 2020-2021 The FreeBSD Foundation
      *
      * This software was developed by Björn Zeeb under sponsorship from
      * the FreeBSD Foundation.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
     *
     * $FreeBSD$
     */
    
    /*
     * XXX-BZ:
     * This file is left as a wrapper to make mvm compile and we will only
     * deal with it on a need basis.  Most newer chipsets do this in firmware.
     */
    
    #ifndef _IWLWIFI_MVM_RS_H
    #define _IWLWIFI_MVM_RS_H
    
    #include <net/mac80211.h>
    
    #include "iwl-trans.h"
    #include "fw-api.h"
    
    #define RS_NAME         "XXX_unknown"
    
    #define LINK_QUAL_AGG_FRAME_LIMIT_DEF           (64-1)
    #define LINK_QUAL_AGG_FRAME_LIMIT_GEN2_DEF      (256-1)
    
    struct iwl_mvm;
    
    struct iwl_lq_sta_rs_fw {
            int     last_rate_n_flags;
            struct {
                    struct iwl_mvm  *drv;
                    uint8_t         sta_id;
                    uint8_t         chains;
                    uint8_t         chain_signal[IEEE80211_MAX_CHAINS];
                    uint8_t         last_rssi;
    #ifdef CONFIG_MAC80211_DEBUGFS
                    uint32_t        dbg_fixed_rate;
                    uint32_t        dbg_agg_frame_count_lim;
    #endif
            } pers;
    };
    
    struct iwl_lq_sta {
            struct iwl_lq_cmd       lq;
            struct {
                    spinlock_t      lock;
            } pers;
    };
    
    #define RS_DRV_DATA_PACK(_c, _f)        ((void *)(uintptr_t)(_c | (uintptr_t)(_f) << sizeof(_c)))       /* XXX TODO | ? */
    
    struct iwl_mvm_sta;
    
    #ifdef CONFIG_IWLWIFI_DEBUGFS
    void iwl_mvm_reset_frame_stats(struct iwl_mvm *);
    #endif
    
    void iwl_mvm_rs_add_sta(struct iwl_mvm *, struct iwl_mvm_sta *);
    void iwl_mvm_tlc_update_notif(struct iwl_mvm *, struct iwl_rx_cmd_buffer *);
    u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *);
    void rs_fw_rate_init(struct iwl_mvm *, struct ieee80211_sta *,
        enum nl80211_band, bool);
    int rs_fw_tx_protection(struct iwl_mvm *, struct iwl_mvm_sta *, bool);
    int iwl_mvm_tx_protection(struct iwl_mvm *, struct iwl_mvm_sta *, bool);
    
    int iwl_mvm_rate_control_register(void);
    void iwl_mvm_rate_control_unregister(void);
    void iwl_mvm_rs_rate_init(struct iwl_mvm *, struct ieee80211_sta *,
        enum nl80211_band, bool);
    void iwl_mvm_rs_tx_status(struct iwl_mvm *, struct ieee80211_sta *,
        int, struct ieee80211_tx_info *, bool);
    
    #endif  /* _IWLWIFI_MVM_RS_H */

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