cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rate.h (2953B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright 2002-2005, Instant802 Networks, Inc.
      4 * Copyright 2005, Devicescape Software, Inc.
      5 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
      6 */
      7
      8#ifndef IEEE80211_RATE_H
      9#define IEEE80211_RATE_H
     10
     11#include <linux/netdevice.h>
     12#include <linux/skbuff.h>
     13#include <linux/types.h>
     14#include <net/mac80211.h>
     15#include "ieee80211_i.h"
     16#include "sta_info.h"
     17#include "driver-ops.h"
     18
     19struct rate_control_ref {
     20	const struct rate_control_ops *ops;
     21	void *priv;
     22};
     23
     24void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
     25			   struct sta_info *sta,
     26			   struct ieee80211_tx_rate_control *txrc);
     27
     28void rate_control_tx_status(struct ieee80211_local *local,
     29			    struct ieee80211_supported_band *sband,
     30			    struct ieee80211_tx_status *st);
     31
     32void rate_control_rate_init(struct sta_info *sta);
     33void rate_control_rate_update(struct ieee80211_local *local,
     34				    struct ieee80211_supported_band *sband,
     35				    struct sta_info *sta, u32 changed);
     36
     37static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
     38					   struct sta_info *sta, gfp_t gfp)
     39{
     40	spin_lock_init(&sta->rate_ctrl_lock);
     41	return ref->ops->alloc_sta(ref->priv, &sta->sta, gfp);
     42}
     43
     44static inline void rate_control_free_sta(struct sta_info *sta)
     45{
     46	struct rate_control_ref *ref = sta->rate_ctrl;
     47	struct ieee80211_sta *ista = &sta->sta;
     48	void *priv_sta = sta->rate_ctrl_priv;
     49
     50	ref->ops->free_sta(ref->priv, ista, priv_sta);
     51}
     52
     53static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
     54{
     55#ifdef CONFIG_MAC80211_DEBUGFS
     56	struct rate_control_ref *ref = sta->rate_ctrl;
     57	if (ref && sta->debugfs_dir && ref->ops->add_sta_debugfs)
     58		ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
     59					  sta->debugfs_dir);
     60#endif
     61}
     62
     63extern const struct file_operations rcname_ops;
     64
     65static inline void rate_control_add_debugfs(struct ieee80211_local *local)
     66{
     67#ifdef CONFIG_MAC80211_DEBUGFS
     68	struct dentry *debugfsdir;
     69
     70	if (!local->rate_ctrl)
     71		return;
     72
     73	if (!local->rate_ctrl->ops->add_debugfs)
     74		return;
     75
     76	debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
     77	local->debugfs.rcdir = debugfsdir;
     78	debugfs_create_file("name", 0400, debugfsdir,
     79			    local->rate_ctrl, &rcname_ops);
     80
     81	local->rate_ctrl->ops->add_debugfs(&local->hw, local->rate_ctrl->priv,
     82					   debugfsdir);
     83#endif
     84}
     85
     86void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
     87
     88/* Get a reference to the rate control algorithm. If `name' is NULL, get the
     89 * first available algorithm. */
     90int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
     91				 const char *name);
     92void rate_control_deinitialize(struct ieee80211_local *local);
     93
     94
     95/* Rate control algorithms */
     96#ifdef CONFIG_MAC80211_RC_MINSTREL
     97int rc80211_minstrel_init(void);
     98void rc80211_minstrel_exit(void);
     99#else
    100static inline int rc80211_minstrel_init(void)
    101{
    102	return 0;
    103}
    104static inline void rc80211_minstrel_exit(void)
    105{
    106}
    107#endif
    108
    109
    110#endif /* IEEE80211_RATE_H */