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mac80211: Fix HT rate control configuration

Browse source 
Handling HT configuration changes involved setting the channel
with the new HT parameters and then issuing a rate_update()
notification to the driver.

This behavior changed after the off-channel changes. Now, the channel
is not updated with the new HT params in enable_ht() - instead, it
is now done when the scan work terminates. This results in the driver
depending on stale information, defaulting to non-HT mode always.

Fix this by passing the new channel type to the driver.

Cc: [email protected]
Signed-off-by: Sujith <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Sujith 2010-03-01 14:42:57 +05:30 • committed by John W. Linville
commit 4fa0043731
4 changed files with 10 additions and 7 deletions
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3
net/mac80211/mlme.c
View file

@ -177,7 +177,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
sta = sta_info_get(sdata, bssid);
if (sta)
rate_control_rate_update(local, sband, sta,
IEEE80211_RC_HT_CHANGED);
IEEE80211_RC_HT_CHANGED,
local->oper_channel_type);
rcu_read_unlock();
}

5
net/mac80211/rate.h
View file

@ -66,7 +66,8 @@ static inline void rate_control_rate_init(struct sta_info *sta)
static inline void rate_control_rate_update(struct ieee80211_local *local,
struct ieee80211_supported_band *sband,
struct sta_info *sta, u32 changed)
struct sta_info *sta, u32 changed,
enum nl80211_channel_type oper_chan_type)
{
struct rate_control_ref *ref = local->rate_ctrl;
struct ieee80211_sta *ista = &sta->sta;
@ -74,7 +75,7 @@ static inline void rate_control_rate_update(struct ieee80211_local *local,
if (ref && ref->ops->rate_update)
ref->ops->rate_update(ref->priv, sband, ista,
priv_sta, changed);
priv_sta, changed, oper_chan_type);
}
static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,