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authorEli Cohen <eli@mellanox.com>2019-11-17 15:32:24 +0200
committerSaeed Mahameed <saeedm@mellanox.com>2020-05-22 16:46:18 -0700
commitf828ca6a2fb6f6c861e5113d3c91d3bca68db28e (patch)
tree5597d31d71d6cc0363e87fd0ca42d412275b82c9 /tools/perf/scripts/python/export-to-postgresql.py
parentd43600c01c4c69f9d0ac4626f03599196b845ce1 (diff)
net/mlx5e: Add support for hw encapsulation of MPLS over UDP
MPLS over UDP is supported by adding a rule on a representor net device which does tunnel_key set, push mpls and forward to a baredup device. At the hardware level we use a packet_reformat_context object to do the encapsulation of the packet. The resulting packet looks as follows (left side transmitted first): outer L2 | outer IP | UDP | MPLS | inner L3 and data | Example usage: tc filter add dev $rep0 protocol ip prio 1 root flower skip_sw \ action tunnel_key set src_ip 8.8.8.21 dst_ip 8.8.8.24 id 555 \ dst_port 6635 tos 4 ttl 6 csum action mpls push protocol 0x8847 \ label 555 tc 3 action mirred egress redirect dev bareudp0 This is how the filter is shown with tc filter show: tc filter show dev enp59s0f0_0 ingress filter protocol ip pref 1 flower chain 0 filter protocol ip pref 1 flower chain 0 handle 0x1 eth_type ipv4 skip_sw in_hw in_hw_count 1 action order 1: tunnel_key set src_ip 8.8.8.21 dst_ip 8.8.8.24 key_id 555 dst_port 6635 csum tos 0x4 ttl 6 pipe index 1 ref 1 bind 1 action order 2: mpls push protocol mpls_uc label 555 tc 3 ttl 255 pipe index 1 ref 1 bind 1 action order 3: mirred (Egress Redirect to device bareudp0) stolen index 1 ref 1 bind 1 Signed-off-by: Eli Cohen <eli@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Eli Britstein <elibr@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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