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mac80211: remove rate_control_clear 

"Clearing" the rate control algorithm is pointless, none of
the algorithms actually uses this operation and it's not even
invoked properly for all channel switching. Also, there's no
need to since rate control algorithms work per station.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
wifi-calibration
Johannes Berg 2008-10-16 11:21:49 +02:00 committed by John W. Linville
parent 65a0667b43
commit 50fb2e4572
8 changed files with 0 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/ath9k/rc.c
View File

@ -2038,11 +2038,6 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
ath_rc_node_update(sc->hw, priv_sta);
}
static void ath_rate_clear(void *priv)
{
return;
}
static void *ath_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
struct ath_softc *sc = hw->priv;
@ -2092,7 +2087,6 @@ static struct rate_control_ops ath_rate_ops = {
.tx_status = ath_tx_status,
.get_rate = ath_get_rate,
.rate_init = ath_rate_init,
.clear = ath_rate_clear,
.alloc = ath_rate_alloc,
.free = ath_rate_free,
.alloc_sta = ath_rate_alloc_sta,

7
drivers/net/wireless/iwlwifi/iwl-3945-rs.c
View File

@ -355,12 +355,6 @@ static void rs_free(void *priv)
return;
}
static void rs_clear(void *priv)
{
return;
}
static void *rs_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
{
struct iwl3945_rs_sta *rs_sta;
@ -784,7 +778,6 @@ static struct rate_control_ops rs_ops = {
.tx_status = rs_tx_status,
.get_rate = rs_get_rate,
.rate_init = rs_rate_init,
.clear = rs_clear,
.alloc = rs_alloc,
.free = rs_free,
.alloc_sta = rs_alloc_sta,

14
drivers/net/wireless/iwlwifi/iwl-agn-rs.c
View File

@ -2393,19 +2393,6 @@ static void rs_free(void *priv_rate)
return;
}
static void rs_clear(void *priv_rate)
{
#ifdef CONFIG_IWLWIFI_DEBUG
struct iwl_priv *priv = (struct iwl_priv *) priv_rate;
IWL_DEBUG_RATE("enter\n");
/* TODO - add rate scale state reset */
IWL_DEBUG_RATE("leave\n");
#endif /* CONFIG_IWLWIFI_DEBUG */
}
static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta,
void *priv_sta)
{
@ -2593,7 +2580,6 @@ static struct rate_control_ops rs_ops = {
.tx_status = rs_tx_status,
.get_rate = rs_get_rate,
.rate_init = rs_rate_init,
.clear = rs_clear,
.alloc = rs_alloc,
.free = rs_free,
.alloc_sta = rs_alloc_sta,

1
include/net/mac80211.h
View File

@ -1917,7 +1917,6 @@ struct rate_control_ops {
struct module *module;
const char *name;
void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir);
void (*clear)(void *priv);
void (*free)(void *priv);
void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp);

6
net/mac80211/rate.h
View File

@ -63,12 +63,6 @@ static inline void rate_control_rate_init(struct sta_info *sta)
}
static inline void rate_control_clear(struct ieee80211_local *local)
{
struct rate_control_ref *ref = local->rate_ctrl;
ref->ops->clear(ref->priv);
}
static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
struct ieee80211_sta *sta,
gfp_t gfp)

6
net/mac80211/rc80211_minstrel.c
View File

@ -507,11 +507,6 @@ minstrel_free_sta(void *priv, struct ieee80211_sta *sta, void *priv_sta)
kfree(mi);
}
static void
minstrel_clear(void *priv)
{
}
static void *
minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
@ -565,7 +560,6 @@ static struct rate_control_ops mac80211_minstrel = {
.tx_status = minstrel_tx_status,
.get_rate = minstrel_get_rate,
.rate_init = minstrel_rate_init,
.clear = minstrel_clear,
.alloc = minstrel_alloc,
.free = minstrel_free,
.alloc_sta = minstrel_alloc_sta,

5
net/mac80211/rc80211_pid_algo.c
View File

@ -446,10 +446,6 @@ static void rate_control_pid_free(void *priv)
kfree(pinfo);
}
static void rate_control_pid_clear(void *priv)
{
}
static void *rate_control_pid_alloc_sta(void *priv, struct ieee80211_sta *sta,
gfp_t gfp)
{
@ -480,7 +476,6 @@ static struct rate_control_ops mac80211_rcpid = {
.tx_status = rate_control_pid_tx_status,
.get_rate = rate_control_pid_get_rate,
.rate_init = rate_control_pid_rate_init,
.clear = rate_control_pid_clear,
.alloc = rate_control_pid_alloc,
.free = rate_control_pid_free,
.alloc_sta = rate_control_pid_alloc_sta,

2
net/mac80211/util.c
View File

@ -647,8 +647,6 @@ int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
else
ret = ieee80211_hw_config(
local, IEEE80211_CONF_CHANGE_CHANNEL);
rate_control_clear(local);
}
return ret;