From: Ayala Beker <ayala.beker@xxxxxxxxx>
[ Upstream commit 8e5a26360cbe29b896b6758518280d41c3704d43 ]
MCAST frames are filtered out by the driver if we are not
authorized yet.
Fix it to filter out only protected frames.
Fixes: 147eb05f24e6 ("iwlwifi: mvm: always tell the firmware to accept MCAST frames in BSS")
Signed-off-by: Ayala Beker <ayala.beker@xxxxxxxxx>
Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
Link: https://lore.kernel.org/r/20230413213309.9cedcc27db60.I8fb7057981392660da482dd215e85c15946d3f4b@changeid
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/mvm/rx.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index 49ca1e168fc5b..eee98cebbb46a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -384,9 +384,10 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
* Don't even try to decrypt a MCAST frame that was received
* before the managed vif is authorized, we'd fail anyway.
*/
- if (vif->type == NL80211_IFTYPE_STATION &&
+ if (is_multicast_ether_addr(hdr->addr1) &&
+ vif->type == NL80211_IFTYPE_STATION &&
!mvmvif->authorized &&
- is_multicast_ether_addr(hdr->addr1)) {
+ ieee80211_has_protected(hdr->frame_control)) {
IWL_DEBUG_DROP(mvm, "MCAST before the vif is authorized\n");
kfree_skb(skb);
rcu_read_unlock();
--
2.39.2
