; SPDX-License-Identifier: BSD-3-Clause
; Copyright(c) 2010-2018 Intel Corporation

;                 _______________          ______________________
;                |               |  KNI0  |                      |
; LINK0 RXQ0 --->|...............|------->|--+                   |
;                |               |  KNI1  |  | br0               |
; LINK1 TXQ0 <---|...............|<-------|<-+                   |
;                |               |        |     Linux Kernel     |
;                |   PIPELINE0   |        |     Network Stack    |
;                |               |  KNI1  |                      |
; LINK1 RXQ0 --->|...............|------->|--+                   |
;                |               |  KNI0  |  | br0               |
; LINK0 TXQ0 <---|...............|<-------|<-+                   |
;                |_______________|        |______________________|
;
; Insert Linux kernel KNI module:
;    [Linux]$ insmod rte_kni.ko
;
; Configure Linux kernel bridge between KNI0 and KNI1 interfaces:
;    [Linux]$ brctl addbr br0
;    [Linux]$ brctl addif br0 KNI0
;    [Linux]$ brctl addif br0 KNI1
;    [Linux]$ ifconfig br0 up
;    [Linux]$ ifconfig KNI0 up
;    [Linux]$ ifconfig KNI1 up
;
; Monitor packet forwarding performed by Linux kernel between KNI0 and KNI1:
;    [Linux]$ tcpdump -i KNI0
;    [Linux]$ tcpdump -i KNI1

mempool MEMPOOL0 buffer 2304 pool 32K cache 256 cpu 0

link LINK0 dev 0000:02:00.0 rxq 1 128 MEMPOOL0 txq 1 512 promiscuous on
link LINK1 dev 0000:02:00.1 rxq 1 128 MEMPOOL0 txq 1 512 promiscuous on

kni KNI0 link LINK0 mempool MEMPOOL0
kni KNI1 link LINK1 mempool MEMPOOL0

table action profile AP0 ipv4 offset 270 fwd

pipeline PIPELINE0 period 10 offset_port_id 0 cpu 0

pipeline PIPELINE0 port in bsz 32 link LINK0 rxq 0
pipeline PIPELINE0 port in bsz 32 kni KNI1
pipeline PIPELINE0 port in bsz 32 link LINK1 rxq 0
pipeline PIPELINE0 port in bsz 32 kni KNI0

pipeline PIPELINE0 port out bsz 32 kni KNI0
pipeline PIPELINE0 port out bsz 32 link LINK1 txq 0
pipeline PIPELINE0 port out bsz 32 kni KNI1
pipeline PIPELINE0 port out bsz 32 link LINK0 txq 0

pipeline PIPELINE0 table match stub action AP0
pipeline PIPELINE0 table match stub action AP0
pipeline PIPELINE0 table match stub action AP0
pipeline PIPELINE0 table match stub action AP0

pipeline PIPELINE0 port in 0 table 0
pipeline PIPELINE0 port in 1 table 1
pipeline PIPELINE0 port in 2 table 2
pipeline PIPELINE0 port in 3 table 3

thread 1 pipeline PIPELINE0 enable

pipeline PIPELINE0 table 0 rule add match default action fwd port 0
pipeline PIPELINE0 table 1 rule add match default action fwd port 1
pipeline PIPELINE0 table 2 rule add match default action fwd port 2
pipeline PIPELINE0 table 3 rule add match default action fwd port 3