Commit a0f995a5 authored Mar 13, 2014 by Eliad Peller Committed by Johannes Berg Mar 19, 2014

mac80211: add status_driver_data array to ieee80211_tx_info



Drivers might want to have private data in addition
to all other ieee80211_tx_info.status fields.

The current ieee80211_tx_info.rate_driver_data overlaps
with some of the non-rate data (e.g. ampdu_ack_len), so
it might not be good enough.

Since we already know how much free bytes remained,
simply use this size to define (void *) array.

While on it, change ack_signal type from int to the more
explicit s32 type.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 71228a1e

include/net/mac80211.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -697,11 +697,11 @@ struct ieee80211_tx_info {
		} control;
		struct {
		struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
		int ack_signal;
		s32 ack_signal;
		u8 ampdu_ack_len;
		u8 ampdu_len;
		u8 antenna;
		/* 21 bytes free */
		void status_driver_data[21 / sizeof(void )];
		} status;
		struct {
		struct ieee80211_tx_rate driver_rates[