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authorBrian Haley <brian.haley@hp.com>2006-11-10 14:54:51 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:22:13 -0800
commitd3a1be9cba86c4385a5fe46673bbb4730551f454 (patch)
tree24bcb9244dcb894c333c33c0f1dd88e1ddcc2267 /net
parentf465e489c457821751f6253abaaf28c10f9d8895 (diff)
[IPv6]: Only modify checksum for UDP
Only change upper-layer checksum from 0 to 0xFFFF for UDP (as RFC 768 states), not for others as RFC 4443 doesn't require it. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/icmp.c2
-rw-r--r--net/ipv6/raw.c2
2 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 52cca93ff2f..bd51847acd5 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -247,8 +247,6 @@ static int icmpv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct
len, fl->proto, tmp_csum);
icmp6h->icmp6_cksum = tmp_csum;
}
- if (icmp6h->icmp6_cksum == 0)
- icmp6h->icmp6_cksum = -1;
ip6_push_pending_frames(sk);
out:
return err;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 18a90075f94..813fa1d9686 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -536,7 +536,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
&fl->fl6_dst,
total_len, fl->proto, tmp_csum);
- if (tmp_csum == 0)
+ if (tmp_csum == 0 && fl->proto == IPPROTO_UDP)
tmp_csum = -1;
csum = tmp_csum;