Patch "wifi: iwlwifi: mvm: don't set CHECKSUM_COMPLETE for unsupported protocols" has been added to the 6.3-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    wifi: iwlwifi: mvm: don't set CHECKSUM_COMPLETE for unsupported protocols

to the 6.3-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     wifi-iwlwifi-mvm-don-t-set-checksum_complete-for-uns.patch
and it can be found in the queue-6.3 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 906f8336d847b4b553bb57cb8dcd2e0bf179818f
Author: Avraham Stern <avraham.stern@xxxxxxxxx>
Date:   Thu Apr 13 10:44:15 2023 +0300

    wifi: iwlwifi: mvm: don't set CHECKSUM_COMPLETE for unsupported protocols
    
    [ Upstream commit 217f3c52f00d3419ecdd38a99a7eceecb11679b2 ]
    
    On Bz devices, CHECKSUM_COMPLETE was set for unsupported protocols
    which results in a warning. Fix it.
    
    Fixes: b6f5b647f694 ("iwlwifi: mvm: handle RX checksum on Bz devices")
    Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx>
    Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
    Link: https://lore.kernel.org/r/20230413102635.a2a35286f0ca.I50daa9445a6465514c44f5096c32adef64beba5f@changeid
    Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 549dbe0be223a..e685113172c52 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -171,8 +171,7 @@ static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 	 * Starting from Bz hardware, it calculates starting directly after
 	 * the MAC header, so that matches mac80211's expectation.
 	 */
-	if (skb->ip_summed == CHECKSUM_COMPLETE &&
-	    mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ) {
+	if (skb->ip_summed == CHECKSUM_COMPLETE) {
 		struct {
 			u8 hdr[6];
 			__be16 type;
@@ -187,7 +186,7 @@ static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 			      shdr->type != htons(ETH_P_PAE) &&
 			      shdr->type != htons(ETH_P_TDLS))))
 			skb->ip_summed = CHECKSUM_NONE;
-		else
+		else if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ)
 			/* mac80211 assumes full CSUM including SNAP header */
 			skb_postpush_rcsum(skb, shdr, sizeof(*shdr));
 	}