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mac80211: call rate control only after init 

There are situations where we don't have the
necessary rate control information yet for
station entries, e.g. when associating. This
currently doesn't really happen due to the
dummy station handling; explicitly disabling
rate control when it's not initialised will
allow us to remove dummy stations.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-01-20 13:55:23 +01:00 committed by John W. Linville
parent 24d2b8c0ac
commit 4b5a433ae5
4 changed files with 6 additions and 3 deletions
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4
net/mac80211/debugfs_sta.c
View File

@ -63,14 +63,14 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
int res = scnprintf(buf, sizeof(buf),
"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
TEST(PS_DRIVER), TEST(AUTHORIZED),
TEST(SHORT_PREAMBLE),
TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
TEST(TDLS_PEER_AUTH));
TEST(TDLS_PEER_AUTH), TEST(RATE_CONTROL));
#undef TEST
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}

2
net/mac80211/rate.c
View File

@ -336,7 +336,7 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
int i;
u32 mask;
if (sta) {
if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
ista = &sta->sta;
priv_sta = sta->rate_ctrl_priv;
}

1
net/mac80211/rate.h
View File

@ -62,6 +62,7 @@ static inline void rate_control_rate_init(struct sta_info *sta)
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
}
static inline void rate_control_rate_update(struct ieee80211_local *local,

2
net/mac80211/sta_info.h
View File

@ -52,6 +52,7 @@
* @WLAN_STA_SP: Station is in a service period, so don't try to
* reply to other uAPSD trigger frames or PS-Poll.
* @WLAN_STA_4ADDR_EVENT: 4-addr event was already sent for this frame.
* @WLAN_STA_RATE_CONTROL: rate control was initialized for this station.
*/
enum ieee80211_sta_info_flags {
WLAN_STA_AUTH,
@ -71,6 +72,7 @@ enum ieee80211_sta_info_flags {
WLAN_STA_UAPSD,
WLAN_STA_SP,
WLAN_STA_4ADDR_EVENT,
WLAN_STA_RATE_CONTROL,
};
enum ieee80211_sta_state {