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| author | Tom Herbert | 2014-08-22 22:34:44 +0200 |
|---|---|---|
| committer | David S. Miller | 2014-08-25 03:09:24 +0200 |
| commit | 57c67ff4bd92af634f7c91c40eb02a96dd785dda (patch) | |
| tree | f10aac8b764b6254075ebcba255285140d1cabea /include/net/udp.h | |
| parent | tcp: Call skb_gro_checksum_validate (diff) | |
| download | kernel-qcow2-linux-57c67ff4bd92af634f7c91c40eb02a96dd785dda.tar.gz kernel-qcow2-linux-57c67ff4bd92af634f7c91c40eb02a96dd785dda.tar.xz kernel-qcow2-linux-57c67ff4bd92af634f7c91c40eb02a96dd785dda.zip | |
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 <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/udp.h')
| -rw-r--r-- | include/net/udp.h | 18 |
1 files changed, 18 insertions, 0 deletions
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) { |