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selftests/net: specify the interface when do arping
[ Upstream commit7f770d28f2
] When do arping, the interface need to be specified. Or we will get error: Interface "lo" is not ARPable. And the test failed. ]# ./arp_ndisc_untracked_subnets.sh TEST: test_arp: accept_arp=0 [ OK ] TEST: test_arp: accept_arp=1 [FAIL] TEST: test_arp: accept_arp=2 same_subnet=0 [ OK ] TEST: test_arp: accept_arp=2 same_subnet=1 [FAIL] After fix: ]# ./arp_ndisc_untracked_subnets.sh TEST: test_arp: accept_arp=0 [ OK ] TEST: test_arp: accept_arp=1 [ OK ] TEST: test_arp: accept_arp=2 same_subnet=0 [ OK ] TEST: test_arp: accept_arp=2 same_subnet=1 [ OK ] Fixes:0ea7b0a454
("selftests: net: arp_ndisc_untracked_subnets: test for arp_accept and accept_untracked_na") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -150,7 +150,7 @@ arp_test_gratuitous() {
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fi
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# Supply arp_accept option to set up which sets it in sysctl
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setup ${arp_accept}
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ip netns exec ${HOST_NS} arping -A -U ${HOST_ADDR} -c1 2>&1 >/dev/null
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ip netns exec ${HOST_NS} arping -A -I ${HOST_INTF} -U ${HOST_ADDR} -c1 2>&1 >/dev/null
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if verify_arp $1 $2; then
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printf " TEST: %-60s [ OK ]\n" "${test_msg[*]}"
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