linux-kernel - [PATCH 5.4 165/222] net: stmmac: selftests: Mark as fail when received VLAN ID != expected

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Date:   Wed, 22 Jan 2020 10:29:11 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jose Abreu <Jose.Abreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 5.4 165/222] net: stmmac: selftests: Mark as fail when received VLAN ID != expected

From: Jose Abreu <Jose.Abreu@...opsys.com>

commit d39b68e5a736afa67d2e9cfb158efdd237d99dbd upstream.

When the VLAN ID does not match the expected one it means filter failed
in HW. Fix it.

Fixes: 94e18382003c ("net: stmmac: selftests: Add selftest for VLAN TX Offload")
Signed-off-by: Jose Abreu <Jose.Abreu@...opsys.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -853,8 +853,12 @@ static int stmmac_test_vlan_validate(str
 	if (tpriv->vlan_id) {
 		if (skb->vlan_proto != htons(proto))
 			goto out;
-		if (skb->vlan_tci != tpriv->vlan_id)
+		if (skb->vlan_tci != tpriv->vlan_id) {
+			/* Means filter did not work. */
+			tpriv->ok = false;
+			complete(&tpriv->comp);
 			goto out;
+		}
 	}
 
 	ehdr = (struct ethhdr *)skb_mac_header(skb);