Commit 29c3e95f authored by Mathy Vanhoef's avatar Mathy Vanhoef Committed by Johannes Berg
Browse files

mac80211: do not overwrite the sequence number if requested 



Check if the Tx control flag is set to prevent sequence number overwrites,
and if so, do not assign a new sequence number to the transmitted frame.

Signed-off-by: default avatarMathy Vanhoef <Mathy.Vanhoef@kuleuven.be>
Link: https://lore.kernel.org/r/20200723100153.31631-3-Mathy.Vanhoef@kuleuven.be


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent e02281e7

net/mac80211/tx.c

+3 −0
Original line number Diff line number Diff line
@@ -825,6 +825,9 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) 
	if (ieee80211_is_qos_nullfunc(hdr->frame_control))

		return TX_CONTINUE;



	if (info->control.flags & IEEE80211_TX_CTRL_NO_SEQNO)

		return TX_CONTINUE;



	/*

	 * Anything but QoS data that has a sequence number field

	 * (is long enough) gets a sequence number from the global