diff options
Diffstat (limited to 'net/ethernet/eth.c')
| -rw-r--r-- | net/ethernet/eth.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 4c520110b04f..f7a3d7a171c7 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -265,6 +265,18 @@ void eth_header_cache_update(struct hh_cache *hh, EXPORT_SYMBOL(eth_header_cache_update); /** + * eth_header_parser_protocol - extract protocol from L2 header + * @skb: packet to extract protocol from + */ +__be16 eth_header_parse_protocol(const struct sk_buff *skb) +{ + const struct ethhdr *eth = eth_hdr(skb); + + return eth->h_proto; +} +EXPORT_SYMBOL(eth_header_parse_protocol); + +/** * eth_prepare_mac_addr_change - prepare for mac change * @dev: network device * @p: socket address @@ -346,6 +358,7 @@ const struct header_ops eth_header_ops ____cacheline_aligned = { .parse = eth_header_parse, .cache = eth_header_cache, .cache_update = eth_header_cache_update, + .parse_protocol = eth_header_parse_protocol, }; /** |