From cf69b99171ed7f8ca083a8ae0b8a2131d2ae54f3 Mon Sep 17 00:00:00 2001 From: Jasvinder Singh Date: Thu, 29 Mar 2018 19:32:05 +0100 Subject: [PATCH] examples/ip_pipeline: add TAP port example Add example to illustrate the pipeline functioning with TAP interface. Signed-off-by: Cristian Dumitrescu Signed-off-by: Jasvinder Singh Signed-off-by: Kevin Laatz --- examples/ip_pipeline/examples/tap.cli | 66 +++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 examples/ip_pipeline/examples/tap.cli diff --git a/examples/ip_pipeline/examples/tap.cli b/examples/ip_pipeline/examples/tap.cli new file mode 100644 index 0000000000..600cea2643 --- /dev/null +++ b/examples/ip_pipeline/examples/tap.cli @@ -0,0 +1,66 @@ +; SPDX-License-Identifier: BSD-3-Clause +; Copyright(c) 2010-2018 Intel Corporation + +; _______________ ______________________ +; | | TAP0 | | +; LINK0 RXQ0 --->|...............|------->|--+ | +; | | TAP1 | | br0 | +; LINK1 TXQ0 <---|...............|<-------|<-+ | +; | | | Linux Kernel | +; | PIPELINE0 | | Network Stack | +; | | TAP1 | | +; LINK1 RXQ0 --->|...............|------->|--+ | +; | | TAP0 | | br0 | +; LINK0 TXQ0 <---|...............|<-------|<-+ | +; |_______________| |______________________| +; +; Configure Linux kernel bridge between TAP0 and TAP1 interfaces: +; [Linux]$ brctl addbr br0 +; [Linux]$ brctl addif br0 TAP0 +; [Linux]$ brctl addif br0 TAP1 +; [Linux]$ ifconfig TAP0 up +; [Linux]$ ifconfig TAP1 up +; [Linux]$ ifconfig br0 up +; +; Monitor packet forwarding performed by Linux kernel between TAP0 and TAP1: +; [Linux]$ tcpdump -i TAP0 +; [Linux]$ tcpdump -i TAP1 + +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 + +tap TAP0 +tap TAP1 + +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 tap TAP1 mempool MEMPOOL0 mtu 1500 +pipeline PIPELINE0 port in bsz 32 link LINK1 rxq 0 +pipeline PIPELINE0 port in bsz 32 tap TAP0 mempool MEMPOOL0 mtu 1500 + +pipeline PIPELINE0 port out bsz 32 tap TAP0 +pipeline PIPELINE0 port out bsz 32 link LINK1 txq 0 +pipeline PIPELINE0 port out bsz 32 tap TAP1 +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 -- 2.20.1