From: "Björn Töpel" <bjorn.topel@gmail.com>
To: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org,
bpf@vger.kernel.org
Cc: "Björn Töpel" <bjorn.topel@intel.com>,
u9012063@gmail.com, rdunlap@infradead.org,
andrii.nakryiko@gmail.com, "Andrii Nakryiko" <andrii@kernel.org>
Subject: [PATCH bpf v4] selftests/bpf: convert test_xdp_redirect.sh to bash
Date: Thu, 11 Feb 2021 09:20:29 +0100 [thread overview]
Message-ID: <20210211082029.1687666-1-bjorn.topel@gmail.com> (raw)
From: Björn Töpel <bjorn.topel@intel.com>
The test_xdp_redirect.sh script uses a bash feature, '&>'. On systems,
e.g. Debian, where '/bin/sh' is dash, this will not work as
expected. Use bash in the shebang to get the expected behavior.
Further, using 'set -e' means that the error of a command cannot be
captured without the command being executed with '&&' or '||'. Let us
restructure the ping-commands, and use them as an if-expression, so
that we can capture the return value.
v4: Added missing Fixes:, and removed local variables. (Andrii)
v3: Reintroduced /bin/bash, and kept 'set -e'. (Andrii)
v2: Kept /bin/sh and removed bashisms. (Randy)
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Fixes: 996139e801fd ("selftests: bpf: add a test for XDP redirect")
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
---
tools/testing/selftests/bpf/test_xdp_redirect.sh | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/tools/testing/selftests/bpf/test_xdp_redirect.sh b/tools/testing/selftests/bpf/test_xdp_redirect.sh
index dd80f0c84afb..c033850886f4 100755
--- a/tools/testing/selftests/bpf/test_xdp_redirect.sh
+++ b/tools/testing/selftests/bpf/test_xdp_redirect.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# Create 2 namespaces with two veth peers, and
# forward packets in-between using generic XDP
#
@@ -57,12 +57,8 @@ test_xdp_redirect()
ip link set dev veth1 $xdpmode obj test_xdp_redirect.o sec redirect_to_222 &> /dev/null
ip link set dev veth2 $xdpmode obj test_xdp_redirect.o sec redirect_to_111 &> /dev/null
- ip netns exec ns1 ping -c 1 10.1.1.22 &> /dev/null
- local ret1=$?
- ip netns exec ns2 ping -c 1 10.1.1.11 &> /dev/null
- local ret2=$?
-
- if [ $ret1 -eq 0 -a $ret2 -eq 0 ]; then
+ if ip netns exec ns1 ping -c 1 10.1.1.22 &> /dev/null &&
+ ip netns exec ns2 ping -c 1 10.1.1.11 &> /dev/null; then
echo "selftests: test_xdp_redirect $xdpmode [PASS]";
else
ret=1
base-commit: 291009f656e8eaebbdfd3a8d99f6b190a9ce9deb
--
2.27.0
next reply other threads:[~2021-02-11 8:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-11 8:20 Björn Töpel [this message]
2021-02-11 15:30 ` [PATCH bpf v4] selftests/bpf: convert test_xdp_redirect.sh to bash patchwork-bot+netdevbpf
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