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net: dsa: tag_ocelot: do not rely on skb_mac_header() for VLAN xmit

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skb_mac_header() will no longer be available in the TX path when
reverting commit 6d1ccff62780 ("net: reset mac header in
dev_start_xmit()"). As preparation for that, let's use
skb_vlan_eth_hdr() to get to the VLAN header instead, which assumes it's
located at skb->data (assumption which holds true here).

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2023-04-21 01:55:56 +03:00 committed by David S. Miller
parent e2fdfd7119
commit eabb1494c9
1 changed files with 1 additions and 1 deletions
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2
net/dsa/tag_ocelot.c
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@ -26,7 +26,7 @@ static void ocelot_xmit_get_vlan_info(struct sk_buff *skb, struct dsa_port *dp,
return;
}
hdr = (struct vlan_ethhdr *)skb_mac_header(skb);
hdr = skb_vlan_eth_hdr(skb);
br_vlan_get_proto(br, &proto);
if (ntohs(hdr->h_vlan_proto) == proto) {