linux/drivers/net/wireless/realtek/rtlwifi/rc.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2012  Realtek Corporation.*/

#include "wifi.h"
#include "base.h"
#include "rc.h"

/*
 *Finds the highest rate index we can use
 *if skb is special data like DHCP/EAPOL, we set should
 *it to lowest rate CCK_1M, otherwise we set rate to
 *highest rate based on wireless mode used for iwconfig
 *show Tx rate.
 */
static u8 _rtl_rc_get_highest_rix(struct rtl_priv *rtlpriv,
				  struct ieee80211_sta *sta,
				  struct sk_buff *skb, bool not_data)
{ … }

static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv,
				    struct ieee80211_sta *sta,
				    struct ieee80211_tx_rate *rate,
				    struct ieee80211_tx_rate_control *txrc,
				    u8 tries, s8 rix, int rtsctsenable,
				    bool not_data)
{ … }

static void rtl_get_rate(void *ppriv, struct ieee80211_sta *sta,
			 void *priv_sta,
			 struct ieee80211_tx_rate_control *txrc)
{ … }

static bool _rtl_tx_aggr_check(struct rtl_priv *rtlpriv,
			       struct rtl_sta_info *sta_entry, u16 tid)
{ … }

/*mac80211 Rate Control callbacks*/
static void rtl_tx_status(void *ppriv,
			  struct ieee80211_supported_band *sband,
			  struct ieee80211_sta *sta, void *priv_sta,
			  struct sk_buff *skb)
{ … }

static void rtl_rate_init(void *ppriv,
			  struct ieee80211_supported_band *sband,
			  struct cfg80211_chan_def *chandef,
			  struct ieee80211_sta *sta, void *priv_sta)
{ … }

static void rtl_rate_update(void *ppriv,
			    struct ieee80211_supported_band *sband,
			    struct cfg80211_chan_def *chandef,
			    struct ieee80211_sta *sta, void *priv_sta,
			    u32 changed)
{ … }

static void *rtl_rate_alloc(struct ieee80211_hw *hw)
{ … }

static void rtl_rate_free(void *rtlpriv)
{ … }

static void *rtl_rate_alloc_sta(void *ppriv,
				struct ieee80211_sta *sta, gfp_t gfp)
{ … }

static void rtl_rate_free_sta(void *rtlpriv,
			      struct ieee80211_sta *sta, void *priv_sta)
{ … }

static const struct rate_control_ops rtl_rate_ops = …;

int rtl_rate_control_register(void)
{ … }

void rtl_rate_control_unregister(void)
{ … }