This patch introduces the IPv4/IPv6 ECN modify field support, and
adds the testpmd CLI commands support.
Usage:
modify_field op set dst_type ipv4_ecn src_type ...
For example:
flow create 0 ingress group 1 pattern eth / ipv4 / end actions
modify_field op set dst_type ipv4_ecn src_type value src_value
0x03 width 2 / queue index 0 / end
Signed-off-by: Jiawei Wang <jiaweiw@nvidia.com>
Acked-by: Ori Kam <orika@nvidia.com>