net/mlx5e: Add ToS (DSCP) header rewrite support
Add support for rewriting of DSCP part of ToS field. Next commands, for example, can be used to offload rewrite action: OVS: $ ovs-ofctl add-flow ovs-sriov "ip, in_port=REP, \ actions=mod_nw_tos:68, output:NIC" iproute2 (used retain mask, as tc command rewrite whole ToS field): $ tc filter add dev REP ingress protocol ip prio 1 flower skip_sw \ ip_proto icmp action pedit munge ip tos set 68 retain 0xfc pipe \ action mirred egress redirect dev NIC Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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@ -2290,6 +2290,7 @@ static struct mlx5_fields fields[] = {
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OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype),
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OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid),
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OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp),
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OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit),
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OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4),
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OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
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