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authorAmir Vadai <amir@vadai.me>2016-09-08 16:23:47 +0300
committerDavid S. Miller <davem@davemloft.net>2016-09-11 06:53:55 +0300
commitbc3103f1ed405de587fa43d8b0671e615505a700 (patch)
tree04182b3ae814fc0b88cf629209e332981eb46455 /net/sched/Kconfig
parent2ff378b7474feac1ec665d01e4dfc6907cccc11c (diff)
downloadlinux-bc3103f1ed405de587fa43d8b0671e615505a700.tar.xz
net/sched: cls_flower: Classify packet in ip tunnels
Introduce classifying by metadata extracted by the tunnel device. Outer header fields - source/dest ip and tunnel id, are extracted from the metadata when classifying. For example, the following will add a filter on the ingress Qdisc of shared vxlan device named 'vxlan0'. To forward packets with outer src ip 11.11.0.2, dst ip 11.11.0.1 and tunnel id 11. The packets will be forwarded to tap device 'vnet0' (after metadata is released): $ tc filter add dev vxlan0 protocol ip parent ffff: \ flower \ enc_src_ip 11.11.0.2 \ enc_dst_ip 11.11.0.1 \ enc_key_id 11 \ dst_ip 11.11.11.1 \ action tunnel_key release \ action mirred egress redirect dev vnet0 The action tunnel_key, will be introduced in the next patch in this series. Signed-off-by: Amir Vadai <amir@vadai.me> Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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