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authorHerbert Xu <herbert@gondor.apana.org.au>2005-12-13 23:14:27 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-01-03 13:10:31 -0800
commit89cee8b1cbb9dac40c92ef1968aea2b45f82fd18 (patch)
tree01049841b15a9c2f3f136710382c7e4c11c1b1e5 /include/net/inetpeer.h
parentd5228a4f49db32d22a39c653281b527ef371129c (diff)
[IPV4]: Safer reassembly
Another spin of Herbert Xu's "safer ip reassembly" patch for 2.6.16. (The original patch is here: http://marc.theaimsgroup.com/?l=linux-netdev&m=112281936522415&w=2 and my only contribution is to have tested it.) This patch (optionally) does additional checks before accepting IP fragments, which can greatly reduce the possibility of reassembling fragments which originated from different IP datagrams. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Arthur Kepner <akepner@sgi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inetpeer.h')
-rw-r--r--include/net/inetpeer.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 7fda471002b6..0965515f40cf 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -25,6 +25,7 @@ struct inet_peer
__u32 v4daddr; /* peer's address */
__u16 avl_height;
__u16 ip_id_count; /* IP ID for the next packet */
+ atomic_t rid; /* Frag reception counter */
__u32 tcp_ts;
unsigned long tcp_ts_stamp;
};