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tcp: Mark v6 response packets as CHECKSUM_PARTIAL 

Otherwise we only get the checksum right for data-less TCP responses.

Noticed by Herbert Xu.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2010-04-21 14:59:20 -07:00
parent f71b70e115
commit e5700aff14
1 changed files with 3 additions and 0 deletions
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3
net/ipv6/tcp_ipv6.c
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@ -1054,6 +1054,9 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
ipv6_addr_copy(&fl.fl6_src, &ipv6_hdr(skb)->daddr);
buff->ip_summed = CHECKSUM_PARTIAL;
buff->csum = 0;
__tcp_v6_send_check(buff, &fl.fl6_src, &fl.fl6_dst);
fl.proto = IPPROTO_TCP;