diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2015-03-21 15:25:43 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2015-04-22 10:02:25 +0200 |
| commit | 17c18bf880b2464851e5a2bca86521affc46c97e (patch) | |
| tree | 3b200b80b2f494fe2084472204a93c4c51bc55b0 /net/mac80211/rx.c | |
| parent | a839e463e84a02c0ea65ff61504b56a83e193078 (diff) | |
| download | linux-17c18bf880b2464851e5a2bca86521affc46c97e.tar.gz linux-17c18bf880b2464851e5a2bca86521affc46c97e.tar.bz2 linux-17c18bf880b2464851e5a2bca86521affc46c97e.zip | |
mac80211: add TX fastpath
In order to speed up mac80211's TX path, add the "fast-xmit" cache
that will cache the data frame 802.11 header and other data to be
able to build the frame more quickly. This cache is rebuilt when
external triggers imply changes, but a lot of the checks done per
packet today are simplified away to the check for the cache.
There's also a more detailed description in the code.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 260eed45b6d2..6e3b564b6dea 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1200,6 +1200,8 @@ static void sta_ps_start(struct sta_info *sta) ps_dbg(sdata, "STA %pM aid %d enters power save mode\n", sta->sta.addr, sta->sta.aid); + ieee80211_clear_fast_xmit(sta); + if (!sta->sta.txq[0]) return; |