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authorFelix Fietkau <nbd@openwrt.org>2013-12-14 13:54:53 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-12-16 12:14:07 +0100
commit70dabeb74ee3bff71b65f47546dafb83edbb06b9 (patch)
tree8069d86b7683faa28a583597d446df0f6f560bc8 /include/net/mac80211.h
parent7907c7d33c3733b2265dadc6385fe028af72b4c7 (diff)
mac80211: let the driver reserve extra tailroom in beacons
Can be used to add extra IEs (such as P2P NoA) without having to reallocate the buffer. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/mac80211.h')
-rw-r--r--include/net/mac80211.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 22b6dd96dbc6..531785f5819e 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1613,6 +1613,9 @@ enum ieee80211_hw_flags {
* @extra_tx_headroom: headroom to reserve in each transmit skb
* for use by the driver (e.g. for transmit headers.)
*
+ * @extra_beacon_tailroom: tailroom to reserve in each beacon tx skb.
+ * Can be used by drivers to add extra IEs.
+ *
* @channel_change_time: time (in microseconds) it takes to change channels.
*
* @max_signal: Maximum value for signal (rssi) in RX information, used
@@ -1695,6 +1698,7 @@ struct ieee80211_hw {
void *priv;
u32 flags;
unsigned int extra_tx_headroom;
+ unsigned int extra_beacon_tailroom;
int channel_change_time;
int vif_data_size;
int sta_data_size;