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-rw-r--r--net/ethernet/eth.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index a80839b02e3..b9d85af2dd3 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>
@@ -129,7 +130,7 @@ int eth_rebuild_header(struct sk_buff *skb)
switch (eth->h_proto) {
#ifdef CONFIG_INET
- case __constant_htons(ETH_P_IP):
+ case htons(ETH_P_IP):
return arp_find(eth->h_dest, skb);
#endif
default:
@@ -184,6 +185,17 @@ __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 (netdev_uses_trailer_tags(dev))
+ return htons(ETH_P_TRAILER);
+
if (ntohs(eth->h_proto) >= 1536)
return eth->h_proto;