wifi: mac80211: prevent AP VLAN tx from other interfaces

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Since the station lookup was factored out of ieee80211_build_hdr(),
ieee80211_lookup_ra_sta() uses sta_info_get_bss() for all AP and AP VLAN
frames, not only for control port frames. A unicast frame sent on one
interface thus matches a station of a different VLAN of the same BSS and
is transmitted to it.

Only match stations of the interface the frame is sent on, except for
control port frames, since those may be sent for VLAN stations directly
on the BSS interface.

Fixes: 97ffe75791 ("mac80211: factor out station lookup from ieee80211_build_hdr()")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/20260916094833.164219-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

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This commit is contained in:

Felix Fietkau 2026-09-16 11:48:32 +02:00 • committed by Johannes Berg

parent cc45f313d8

commit 7f93ca31f7

2 changed files with 16 additions and 10 deletions

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2

net/mac80211/ieee80211_i.h

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24

net/mac80211/tx.c

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