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selftests: net: udpgro_fwd.sh: explicitly checking the available ping feature

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As Paolo pointed out, the result of ping IPv6 address depends on
the running distro. So explicitly checking the available ping feature,
as e.g. do the bareudp.sh self-tests.

Fixes: 8b3170e07539 ("selftests: net: using ping6 for IPv6 in udpgro_fwd.sh")
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Link: https://lore.kernel.org/r/825ee22b-4245-dbf7-d2f7-a230770d6e21@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jianguo Wu 2021-12-31 10:01:08 +08:00 committed by Jakub Kicinski
parent 0f1fe7b83b
commit 5e75d0b215
1 changed files with 2 additions and 1 deletions
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3
tools/testing/selftests/net/udpgro_fwd.sh
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@ -193,7 +193,8 @@ for family in 4 6; do
SUFFIX="64 nodad"
VXDEV=vxlan6
IPT=ip6tables
PING="ping6"
# Use ping6 on systems where ping doesn't handle IPv6
ping -w 1 -c 1 ::1 > /dev/null 2>&1 || PING="ping6"
fi
echo "IPv$family"