From 57c67ff4bd92af634f7c91c40eb02a96dd785dda Mon Sep 17 00:00:00 2001 From: Tom Herbert Date: Fri, 22 Aug 2014 13:34:44 -0700 Subject: udp: additional GRO support Implement GRO for UDPv6. Add UDP checksum verification in gro_receive for both UDP4 and UDP6 calling skb_gro_checksum_validate_zero_check. Signed-off-by: Tom Herbert Signed-off-by: David S. Miller --- include/net/udp.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'include/net/udp.h') diff --git a/include/net/udp.h b/include/net/udp.h index 70f941368ace..16f4e80f0519 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -158,6 +158,24 @@ static inline __sum16 udp_v4_check(int len, __be32 saddr, void udp_set_csum(bool nocheck, struct sk_buff *skb, __be32 saddr, __be32 daddr, int len); +struct sk_buff **udp_gro_receive(struct sk_buff **head, struct sk_buff *skb, + struct udphdr *uh); +int udp_gro_complete(struct sk_buff *skb, int nhoff); + +static inline struct udphdr *udp_gro_udphdr(struct sk_buff *skb) +{ + struct udphdr *uh; + unsigned int hlen, off; + + off = skb_gro_offset(skb); + hlen = off + sizeof(*uh); + uh = skb_gro_header_fast(skb, off); + if (skb_gro_header_hard(skb, hlen)) + uh = skb_gro_header_slow(skb, hlen, off); + + return uh; +} + /* hash routines shared between UDPv4/6 and UDP-Litev4/6 */ static inline void udp_lib_hash(struct sock *sk) { -- cgit v1.2.3