netdev - [PATCH] selftests: bpf: add check for ip XDP redirect

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Message-Id: <1502409753-27516-1-git-send-email-u9012063@gmail.com>
Date:   Thu, 10 Aug 2017 17:02:33 -0700
From:   William Tu <u9012063@...il.com>
To:     netdev@...r.kernel.org
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        John Fastabend <john.fastabend@...il.com>
Subject: [PATCH] selftests: bpf: add check for ip XDP redirect

Kernel test robot reports error when running test_xdp_redirect.sh.
Check if ip tool supports xdpgeneric, if not, skip the test.

Signed-off-by: William Tu <u9012063@...il.com>
Cc: Daniel Borkmann <daniel@...earbox.net>
Cc: John Fastabend <john.fastabend@...il.com>
---
 tools/testing/selftests/bpf/test_xdp_redirect.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/bpf/test_xdp_redirect.sh b/tools/testing/selftests/bpf/test_xdp_redirect.sh
index d8c73ed6e040..c5a8b7173c12 100755
--- a/tools/testing/selftests/bpf/test_xdp_redirect.sh
+++ b/tools/testing/selftests/bpf/test_xdp_redirect.sh
@@ -23,6 +23,11 @@ cleanup()
 	ip netns del ns2 2> /dev/null
 }
 
+ip link set dev lo xdpgeneric off 2>/dev/null > /dev/null
+if [ $? -ne 0 ];then
+        echo "selftests: [SKIP] Could not run test without the ip xdpgeneric support"
+        exit 0
+fi
 set -e
 
 ip netns add ns1
-- 
2.7.4