mac80211: add a comment about monitor-to-dev injection (b226a826) · Commits · 戴 / test

Add a note with a use-case for the monitor-to-dev injection mechanism in mac80211, reported by Ben Greear. Change-Id: I6456997ef9bc40b24ede860b6ef2fed5af49cf44 Signed-off-by:

Johannes Berg <johannes.berg@intel.com>

net/mac80211/tx.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2270,6 +2270,9 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
		* isn't always enough to find the interface to use; for proper
		* VLAN/WDS support we will need a different mechanism (which
		* likely isn't going to be monitor interfaces).
		*
		* This is necessary, for example, for old hostapd versions that
		* don't use nl80211-based management TX/RX.
		*/
		sdata = IEEE80211_DEV_TO_SUB_IF(dev);

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