diff options
author | Johannes Berg <johannes.berg@intel.com> | 2016-03-31 20:02:11 +0300 |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2016-04-06 14:18:19 +0300 |
commit | c9c5962b56c10c34d8fedc20cd6d6ebdaa2383c6 (patch) | |
tree | 3b5b98cc8a18efeffabc86ed6ac4247b7311a294 /include/net/mac80211.h | |
parent | 49ddf8e6e2347cffdcf83d1ca2d04ff929820178 (diff) | |
download | linux-c9c5962b56c10c34d8fedc20cd6d6ebdaa2383c6.tar.xz |
mac80211: enable collecting station statistics per-CPU
If the driver advertises the new HW flag USE_RSS, make the
station statistics on the fast-rx path per-CPU. This will
enable calling the RX in parallel, only hitting locking or
shared cachelines when the fast-RX path isn't available.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/mac80211.h')
-rw-r--r-- | include/net/mac80211.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index fd5ec446a7a9..5f4b4c773a92 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1980,6 +1980,9 @@ struct ieee80211_txq { * order and does not need to manage its own reorder buffer or BA session * timeout. * + * @IEEE80211_HW_USES_RSS: The device uses RSS and thus requires parallel RX, + * which implies using per-CPU station statistics. + * * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays */ enum ieee80211_hw_flags { @@ -2017,6 +2020,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_BEACON_TX_STATUS, IEEE80211_HW_NEEDS_UNIQUE_STA_ADDR, IEEE80211_HW_SUPPORTS_REORDERING_BUFFER, + IEEE80211_HW_USES_RSS, /* keep last, obviously */ NUM_IEEE80211_HW_FLAGS |