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wifi: mac80211: Check 802.11 encaps offloading in ieee80211_tx_h_select_key()

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With 802.11 encapsulation offloading, ieee80211_tx_h_select_key() is
called on 802.3 frames. In that case do not try to use skb data as
valid 802.11 headers.

Reported-by: Bert Karwatzki <spasswolf@web.de>
Closes: https://lore.kernel.org/linux-wireless/20250410215527.3001-1-spasswolf@web.de
Fixes: bb42f2d13f ("mac80211: Move reorder-sensitive TX handlers to after TXQ dequeue")
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Link: https://patch.msgid.link/1af4b5b903a5fca5ebe67333d5854f93b2be5abe.1752765971.git.repk@triplefau.lt
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Remi Pommarel 2025-07-17 17:45:28 +02:00 committed by Johannes Berg
parent cb3bb3d88d
commit 4037c468d1
1 changed files with 6 additions and 0 deletions
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6
net/mac80211/tx.c
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@ -612,6 +612,12 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
else
tx->key = NULL;
if (info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) {
if (tx->key && tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
info->control.hw_key = &tx->key->conf;
return TX_CONTINUE;
}
if (tx->key) {
bool skip_hw = false;