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authorDavid Ahern <dsahern@gmail.com>2018-02-21 11:00:54 -0800
committerDavid S. Miller <davem@davemloft.net>2018-02-22 14:30:51 -0500
commit1fe4b1184c2ae2bfbf9e8b14c9c0c1945c98f205 (patch)
treebb8a53b6a565b573bcfbff713003782bb9d27c5f /net/ipv4
parent350c9f484bde93ef229682eedd98cd5f74350f7f (diff)
net: ipv4: Set addr_type in hash_keys for forwarded case
The result of the skb flow dissect is copied from keys to hash_keys to ensure only the intended data is hashed. The original L4 hash patch overlooked setting the addr_type for this case; add it. Fixes: bf4e0a3db97eb ("net: ipv4: add support for ECMP hash policy choice") Reported-by: Ido Schimmel <idosch@idosch.org> Signed-off-by: David Ahern <dsahern@gmail.com> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/route.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 49cc1c1df1ba..a4f44d815a61 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1826,6 +1826,8 @@ int fib_multipath_hash(const struct fib_info *fi, const struct flowi4 *fl4,
return skb_get_hash_raw(skb) >> 1;
memset(&hash_keys, 0, sizeof(hash_keys));
skb_flow_dissect_flow_keys(skb, &keys, flag);
+
+ hash_keys.control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
hash_keys.addrs.v4addrs.src = keys.addrs.v4addrs.src;
hash_keys.addrs.v4addrs.dst = keys.addrs.v4addrs.dst;
hash_keys.ports.src = keys.ports.src;