[dpdk-dev] [PATCH v6 40/42] examples/pipeline: add l2fwd with MAC swap example

Cristian Dumitrescu cristian.dumitrescu at intel.com
Wed Sep 30 08:34:14 CEST 2020


Add L2 Forwarding example with MAC destination and source address swap
to the SWX pipeline application. Example command line:
./build/pipeline -l0-1 -- -s ./examples/l2fwd_macswp.cli

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>
---
 examples/pipeline/examples/l2fwd_macswp.cli   | 25 ++++++++
 examples/pipeline/examples/l2fwd_macswp.spec  | 59 +++++++++++++++++++
 .../pipeline/examples/l2fwd_macswp_pcap.cli   | 20 +++++++
 3 files changed, 104 insertions(+)
 create mode 100644 examples/pipeline/examples/l2fwd_macswp.cli
 create mode 100644 examples/pipeline/examples/l2fwd_macswp.spec
 create mode 100644 examples/pipeline/examples/l2fwd_macswp_pcap.cli

diff --git a/examples/pipeline/examples/l2fwd_macswp.cli b/examples/pipeline/examples/l2fwd_macswp.cli
new file mode 100644
index 000000000..8031b2655
--- /dev/null
+++ b/examples/pipeline/examples/l2fwd_macswp.cli
@@ -0,0 +1,25 @@
+; SPDX-License-Identifier: BSD-3-Clause
+; Copyright(c) 2010-2020 Intel Corporation
+
+mempool MEMPOOL0 buffer 2304 pool 32K cache 256 cpu 0
+
+link LINK0 dev 0000:18:00.0 rxq 1 128 MEMPOOL0 txq 1 512 promiscuous on
+link LINK1 dev 0000:18:00.1 rxq 1 128 MEMPOOL0 txq 1 512 promiscuous on
+link LINK2 dev 0000:3b:00.0 rxq 1 128 MEMPOOL0 txq 1 512 promiscuous on
+link LINK3 dev 0000:3b:00.1 rxq 1 128 MEMPOOL0 txq 1 512 promiscuous on
+
+pipeline PIPELINE0 create 0
+
+pipeline PIPELINE0 port in 0 link LINK0 rxq 0 bsz 32
+pipeline PIPELINE0 port in 1 link LINK1 rxq 0 bsz 32
+pipeline PIPELINE0 port in 2 link LINK2 rxq 0 bsz 32
+pipeline PIPELINE0 port in 3 link LINK3 rxq 0 bsz 32
+
+pipeline PIPELINE0 port out 0 link LINK0 txq 0 bsz 32
+pipeline PIPELINE0 port out 1 link LINK1 txq 0 bsz 32
+pipeline PIPELINE0 port out 2 link LINK2 txq 0 bsz 32
+pipeline PIPELINE0 port out 3 link LINK3 txq 0 bsz 32
+
+pipeline PIPELINE0 build ./examples/pipeline/examples/l2fwd_macswp.spec
+
+thread 1 pipeline PIPELINE0 enable
diff --git a/examples/pipeline/examples/l2fwd_macswp.spec b/examples/pipeline/examples/l2fwd_macswp.spec
new file mode 100644
index 000000000..e81f20622
--- /dev/null
+++ b/examples/pipeline/examples/l2fwd_macswp.spec
@@ -0,0 +1,59 @@
+; SPDX-License-Identifier: BSD-3-Clause
+; Copyright(c) 2020 Intel Corporation
+
+//
+// Packet headers.
+//
+struct ethernet_h {
+	bit<48> dst_addr
+	bit<48> src_addr
+	bit<16> ether_type
+}
+
+header ethernet instanceof ethernet_h
+
+//
+// Packet meta-data.
+//
+struct metadata_t {
+	bit<32> port
+	bit<48> addr
+}
+
+metadata instanceof metadata_t
+
+//
+// Actions.
+//
+action macswp args none {
+	mov m.addr h.ethernet.dst_addr
+	mov h.ethernet.dst_addr h.ethernet.src_addr
+	mov h.ethernet.src_addr m.addr
+	return
+}
+
+//
+// Tables.
+//
+table stub {
+	key {
+	}
+
+	actions {
+		macswp
+	}
+
+	default_action macswp args none const
+}
+
+//
+// Pipeline.
+//
+apply {
+	rx m.port
+	extract h.ethernet
+	table stub
+	xor m.port 1
+	emit h.ethernet
+	tx m.port
+}
diff --git a/examples/pipeline/examples/l2fwd_macswp_pcap.cli b/examples/pipeline/examples/l2fwd_macswp_pcap.cli
new file mode 100644
index 000000000..9044d7d7f
--- /dev/null
+++ b/examples/pipeline/examples/l2fwd_macswp_pcap.cli
@@ -0,0 +1,20 @@
+; SPDX-License-Identifier: BSD-3-Clause
+; Copyright(c) 2010-2020 Intel Corporation
+
+mempool MEMPOOL0 buffer 2304 pool 32K cache 256 cpu 0
+
+pipeline PIPELINE0 create 0
+
+pipeline PIPELINE0 port in 0 source MEMPOOL0 ./examples/packet.pcap
+pipeline PIPELINE0 port in 1 source MEMPOOL0 ./examples/packet.pcap
+pipeline PIPELINE0 port in 2 source MEMPOOL0 ./examples/packet.pcap
+pipeline PIPELINE0 port in 3 source MEMPOOL0 ./examples/packet.pcap
+
+pipeline PIPELINE0 port out 0 sink none
+pipeline PIPELINE0 port out 1 sink none
+pipeline PIPELINE0 port out 2 sink none
+pipeline PIPELINE0 port out 3 sink none
+
+pipeline PIPELINE0 build ./examples/l2fwd_macswp.spec
+
+thread 1 pipeline PIPELINE0 enable
-- 
2.17.1



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