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tcp: Mark v6 response packets as CHECKSUM_PARTIAL
author
David S. Miller
<davem@davemloft.net>
Wed, 21 Apr 2010 21:59:20 +0000
(14:59 -0700)
committer
David S. Miller
<davem@davemloft.net>
Wed, 21 Apr 2010 21:59:20 +0000
(14:59 -0700)
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>
net/ipv6/tcp_ipv6.c
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diff --git
a/net/ipv6/tcp_ipv6.c
b/net/ipv6/tcp_ipv6.c
index 5d2e4301e2462865b92fd67b66def08080adb167..1ababbb41131309441d925955c81e02adc1f192e 100644
(file)
--- a/
net/ipv6/tcp_ipv6.c
+++ b/
net/ipv6/tcp_ipv6.c
@@
-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;