diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2012-12-13 23:49:02 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-01-03 13:01:17 +0100 |
| commit | 051007d9e281cd8ea603a4cc4c96b0170b26c7e9 (patch) | |
| tree | 3c7b62d4290774d41b24562537d781847a6c5b36 /net/mac80211/sta_info.h | |
| parent | mac80211: warn if unexpectedly removing stations (diff) | |
| download | linux-dev-051007d9e281cd8ea603a4cc4c96b0170b26c7e9.tar.xz linux-dev-051007d9e281cd8ea603a4cc4c96b0170b26c7e9.zip | |
mac80211: optimise roaming time again
The last fixes re-added the RCU synchronize penalty
on roaming to fix the races. Split up sta_info_flush()
now to get rid of that again, and let managed mode
(and only it) delay the actual destruction.
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.h')
| -rw-r--r-- | net/mac80211/sta_info.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 13698dae6a88..c3266aed4a07 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -548,7 +548,25 @@ void sta_info_recalc_tim(struct sta_info *sta); void sta_info_init(struct ieee80211_local *local); void sta_info_stop(struct ieee80211_local *local); -int sta_info_flush(struct ieee80211_sub_if_data *sdata); +int sta_info_flush_defer(struct ieee80211_sub_if_data *sdata); +void sta_info_flush_cleanup(struct ieee80211_sub_if_data *sdata); + +/** + * sta_info_flush - flush matching STA entries from the STA table + * + * Returns the number of removed STA entries. + * + * @sdata: sdata to remove all stations from + */ +static inline int sta_info_flush(struct ieee80211_sub_if_data *sdata) +{ + int ret = sta_info_flush_defer(sdata); + + sta_info_flush_cleanup(sdata); + + return ret; +} + void sta_set_rate_info_tx(struct sta_info *sta, const struct ieee80211_tx_rate *rate, struct rate_info *rinfo); |