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authorMichal Kubecek <mkubecek@suse.cz>2018-06-02 09:40:34 +0200
committerDavid S. Miller <davem@davemloft.net>2018-06-04 13:18:35 -0400
commit87ae68c8b4944d142447b88875c9c412c714434f (patch)
treeed27f4796483c56b128a7c2f40d0b59540ffc6fe /drivers/net/ethernet/mellanox
parentfe083b3f06e91cf8508f23922867e52348205825 (diff)
download96b-common-87ae68c8b4944d142447b88875c9c412c714434f.tar.gz
ipv6: omit traffic class when calculating flow hash
Some of the code paths calculating flow hash for IPv6 use flowlabel member of struct flowi6 which, despite its name, encodes both flow label and traffic class. If traffic class changes within a TCP connection (as e.g. ssh does), ECMP route can switch between path. It's also incosistent with other code paths where ip6_flowlabel() (returning only flow label) is used to feed the key. Use only flow label everywhere, including one place where hash key is set using ip6_flowinfo(). Fixes: 51ebd3181572 ("ipv6: add support of equal cost multipath (ECMP)") Fixes: f70ea018da06 ("net: Add functions to get skb->hash based on flow structures") Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Tested-by: Ido Schimmel <idosch@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
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