diff options
Diffstat (limited to 'net/ethernet/eth.c')
| -rw-r--r-- | net/ethernet/eth.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 647a9edee375..dae47e7a44d8 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -57,6 +57,7 @@ #include <net/sock.h> #include <net/ipv6.h> #include <net/ip.h> +#include <net/dsa.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -184,6 +185,15 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev) skb->pkt_type = PACKET_OTHERHOST; } + /* + * Some variants of DSA tagging don't have an ethertype field + * at all, so we check here whether one of those tagging + * variants has been configured on the receiving interface, + * and if so, set skb->protocol without looking at the packet. + */ + if (netdev_uses_dsa_tags(dev)) + return htons(ETH_P_DSA); + if (ntohs(eth->h_proto) >= 1536) return eth->h_proto; |