From 4c7c82fbd067f4f54a5cf180fdb9db6a42e88741 Mon Sep 17 00:00:00 2001
From: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Date: Fri, 26 Oct 2018 13:34:52 +0300
Subject: add tcpdump recipe for target

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---
 execs/taprio-tcpdump.yaml                | 14 ++++++++++++++
 multinodes/lng03-lng04-ubuntu-18.04.yaml | 13 ++++++++++++-
 scripts/get-taprio-pcap.sh               | 12 ++++++++++++
 scripts/send-udp-tai.sh                  |  1 +
 4 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 execs/taprio-tcpdump.yaml
 create mode 100755 scripts/get-taprio-pcap.sh

diff --git a/execs/taprio-tcpdump.yaml b/execs/taprio-tcpdump.yaml
new file mode 100644
index 0000000..4d035ea
--- /dev/null
+++ b/execs/taprio-tcpdump.yaml
@@ -0,0 +1,14 @@
+metadata:
+  name: capture tsn traffic
+  format: "Lava-Test-Shell Test Definition 1.0"
+  description: "Use tcpdump to capture packets"
+  version: 1.0
+
+install:
+    deps:
+        - tcpdump
+
+run:
+    steps:
+        - echo "Capturing UDP packets"
+        - ./scripts/get-taprio-pcap.sh
diff --git a/multinodes/lng03-lng04-ubuntu-18.04.yaml b/multinodes/lng03-lng04-ubuntu-18.04.yaml
index 2ea2a47..1651b37 100644
--- a/multinodes/lng03-lng04-ubuntu-18.04.yaml
+++ b/multinodes/lng03-lng04-ubuntu-18.04.yaml
@@ -99,7 +99,6 @@ actions:
           path: execs/sync-clocks.yaml
           name: ptp-clock-sync
 
-
 - test:
     role:
         - lng03
@@ -122,6 +121,18 @@ actions:
           path: execs/send-udp-tai.yaml
           name: send-udp-traffic
 
+- test:
+    role:
+        - lng04
+    timeout:
+        minutes: 900
+    
+    definitions:
+        - repository: https://git.linaro.org/people/ilias.apalodimas/lava-sessions.git/
+          from: git
+          path: execs/taprio-tcpdump.yaml
+          name: taprio-client-tcpdump
+
 - test:
     role:
         - lng03
diff --git a/scripts/get-taprio-pcap.sh b/scripts/get-taprio-pcap.sh
new file mode 100755
index 0000000..82d007b
--- /dev/null
+++ b/scripts/get-taprio-pcap.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+. scripts/lava-common.sh
+
+iface=$(find_vland_iface)
+packets='600000'
+port='7788'
+lava-wait udp-tai-tx
+# TODO make port/packet count configurable
+tcpdump -c "$packets" -i "$iface" -w tsn.pcap -j adapter_unsynced -tt \
+	--time-stamp-precision=nano port "$port"
+echo "talker_strict :: udp port $port" > sched_filter
diff --git a/scripts/send-udp-tai.sh b/scripts/send-udp-tai.sh
index 8a609eb..7c74083 100755
--- a/scripts/send-udp-tai.sh
+++ b/scripts/send-udp-tai.sh
@@ -5,6 +5,7 @@
 git clone https://github.com/apalos/taprio-tests.git
 pushd taprio-tests && make
 popd
+
 now=`date +%s%N`
 i=$(($now + 37000000000))
 base=$(($i - ($i % 1000000000) + 100000))
-- 
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