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| author | Florian Fainelli <f.fainelli@gmail.com> | 2020-10-01 19:42:14 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-10-02 13:36:07 -0700 |
| commit | a348292b63156290e72e2df2f724833607d1e403 (patch) | |
| tree | 362508b6b5469f9d3b6731c3645956dc12f9a245 /net/dsa | |
| parent | 1c5ad5a940387ce03bc6b6ce497e3523963292bd (diff) | |
| download | linux-stable-a348292b63156290e72e2df2f724833607d1e403.tar.gz linux-stable-a348292b63156290e72e2df2f724833607d1e403.tar.bz2 linux-stable-a348292b63156290e72e2df2f724833607d1e403.zip | |
net: dsa: Obtain VLAN protocol from skb->protocol
Now that dsa_untag_bridge_pvid() is called after eth_type_trans() we are
guaranteed that skb->protocol will be set to a correct value, thus
allowing us to avoid calling vlan_eth_hdr().
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa')
| -rw-r--r-- | net/dsa/dsa_priv.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index 0348dbab4131..d6ce8c2a2590 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -201,7 +201,6 @@ dsa_slave_to_master(const struct net_device *dev) static inline struct sk_buff *dsa_untag_bridge_pvid(struct sk_buff *skb) { struct dsa_port *dp = dsa_slave_to_port(skb->dev); - struct vlan_ethhdr *hdr = vlan_eth_hdr(skb); struct net_device *br = dp->bridge_dev; struct net_device *dev = skb->dev; struct net_device *upper_dev; @@ -217,7 +216,7 @@ static inline struct sk_buff *dsa_untag_bridge_pvid(struct sk_buff *skb) return skb; /* Move VLAN tag from data to hwaccel */ - if (!skb_vlan_tag_present(skb) && hdr->h_vlan_proto == htons(proto)) { + if (!skb_vlan_tag_present(skb) && skb->protocol == htons(proto)) { skb = skb_vlan_untag(skb); if (!skb) return NULL; |