RE: [PATCH v4] net/cpfl: support action prog

["Zhang, Qi Z" <qi.z.zhang@intel.com>]

> -----Original Message-----
> From: Qiao, Wenjing <wenjing.qiao@intel.com>
> Sent: Thursday, November 2, 2023 4:51 PM
> To: Wu, Jingjing <jingjing.wu@intel.com>; Xing, Beilei <beilei.xing@intel.com>;
> Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; Qiao, Wenjing <wenjing.qiao@intel.com>
> Subject: [PATCH v4] net/cpfl: support action prog
> 
> From: Wenjing Qiao <wenjing.qiao@intel.com>
> 
> Parse JSON file and generate rules that instruct PMD to map an
> RTE_FLOW_ACTION_TYPE_PROG to a low-level FXP representation, the
> matching follows below guidelines.
> 
> Use rte_flow_action_prog->name to match the name of a P4 action type
> when provided in the JSON file. In cases where the JSON file lacks the P4
> action type's name but includes the P4 action type ID, PMD should attempt to
> convert rte_flow_action_prog->name into a
> uint32 value and then match it to the P4 action type ID.
> 
> The same method applies when matching a rte_flow_action_prog_argument
> to a field of an action type.
> 
> Here's an example to create a rule that matches an IPV4/TCP header and
> applies a VXLAN encapsulation which is represented by rte_flow_action_prog:
> 
> flow create 0 ingress pattern eth src is 00:11:22:33:44:55 dst is
> 00:01:00:00:03:14 / ipv4 src is 192.168.0.1 dst is 192.168.0.2 / tcp src is 0x1451
> dst is 0x157c / end actions prog name vxlan_encap arguments src_addr
> 0xC0A80002 dst_addr 0xC0A80003 src_mac 0x000100000314 dst_mac
> 0x000600000314 src_port 0x1234 dst_port 0x4789 vni 0x000050 end /
> port_representor port_id 0 / end
> 
> Signed-off-by: Wenjing Qiao <wenjing.qiao@intel.com>

Acked-by: Qi Zhang <qi.z.zhang@intel.com> 

The CI build error in patchwork is covered by below fix
https://patchwork.dpdk.org/project/dpdk/patch/20231106091453.1599496-1-qi.z.zhang@intel.com/

Applied to dpdk-next-net-intel.

Thanks
Qi