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authorKOVACS Krisztian <hidden@sch.bme.hu>2008-10-01 07:41:00 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-01 07:41:00 -0700
commit88ef4a5a78e63420dd1dd770f1bd1dc198926b04 (patch)
tree42409d6d26fb6f954c501ac156d34265437d18f9 /include/net/ip.h
parent79876874ce20d37ecdc7f481ebf142466999152f (diff)
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tcp: Handle TCP SYN+ACK/ACK/RST transparency
The TCP stack sends out SYN+ACK/ACK/RST reply packets in response to incoming packets. The non-local source address check on output bites us again, as replies for transparently redirected traffic won't have a chance to leave the node. This patch selectively sets the FLOWI_FLAG_ANYSRC flag when doing the route lookup for those replies. Transparent replies are enabled if the listening socket has the transparent socket flag set. Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip.h')
-rw-r--r--include/net/ip.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 250e6ef025a..90b27f634b7 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -140,12 +140,15 @@ static inline void ip_tr_mc_map(__be32 addr, char *buf)
struct ip_reply_arg {
struct kvec iov[1];
+ int flags;
__wsum csum;
int csumoffset; /* u16 offset of csum in iov[0].iov_base */
/* -1 if not needed */
int bound_dev_if;
};
+#define IP_REPLY_ARG_NOSRCCHECK 1
+
void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *arg,
unsigned int len);