From 70dabeb74ee3bff71b65f47546dafb83edbb06b9 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 14 Dec 2013 13:54:53 +0100 Subject: 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 Signed-off-by: Johannes Berg --- include/net/mac80211.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/net/mac80211.h') 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; -- cgit v1.2.3