From: Jianguo Wu wujianguo@chinatelecom.cn
commit 5e75d0b215b868337e7a193f28a543ec00e858b1 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/testing/selftests/net/udpgro_fwd.sh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/tools/testing/selftests/net/udpgro_fwd.sh +++ b/tools/testing/selftests/net/udpgro_fwd.sh @@ -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"