diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2010-10-05 21:39:30 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-10-07 00:30:40 +0400 |
| commit | e31b82136d1adc7a599b6e99d3321e5831841f5a (patch) | |
| tree | c72d78d4cccfd08587e909c7efe59956f1cbc23e /include/net/mac80211.h | |
| parent | 53f73c09d64f1fa7d7e6e8b6bb7468d42eddc92d (diff) | |
| download | linux-e31b82136d1adc7a599b6e99d3321e5831841f5a.tar.xz | |
cfg80211/mac80211: allow per-station GTKs
This adds API to allow adding per-station GTKs,
updates mac80211 to support it, and also allows
drivers to remove a key from hwaccel again when
this may be necessary due to multiple GTKs.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 47316a653ae1..33aa2e39147b 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1041,6 +1041,13 @@ enum ieee80211_tkip_key_type { * @IEEE80211_HW_NEED_DTIM_PERIOD: * This device needs to know the DTIM period for the BSS before * associating. + * + * @IEEE80211_HW_SUPPORTS_PER_STA_GTK: The device's crypto engine supports + * per-station GTKs as used by IBSS RSN or during fast transition. If + * the device doesn't support per-station GTKs, but can be asked not + * to decrypt group addressed frames, then IBSS RSN support is still + * possible but software crypto will be used. Advertise the wiphy flag + * only in that case. */ enum ieee80211_hw_flags { IEEE80211_HW_HAS_RATE_CONTROL = 1<<0, @@ -1064,6 +1071,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_REPORTS_TX_ACK_STATUS = 1<<18, IEEE80211_HW_CONNECTION_MONITOR = 1<<19, IEEE80211_HW_SUPPORTS_CQM_RSSI = 1<<20, + IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21, }; /** @@ -2582,6 +2590,22 @@ void ieee80211_chswitch_done(struct ieee80211_vif *vif, bool success); void ieee80211_request_smps(struct ieee80211_vif *vif, enum ieee80211_smps_mode smps_mode); +/** + * ieee80211_key_removed - disable hw acceleration for key + * @key_conf: The key hw acceleration should be disabled for + * + * This allows drivers to indicate that the given key has been + * removed from hardware acceleration, due to a new key that + * was added. Don't use this if the key can continue to be used + * for TX, if the key restriction is on RX only it is permitted + * to keep the key for TX only and not call this function. + * + * Due to locking constraints, it may only be called during + * @set_key. This function must be allowed to sleep, and the + * key it tries to disable may still be used until it returns. + */ +void ieee80211_key_removed(struct ieee80211_key_conf *key_conf); + /* Rate control API */ /** |