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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/tools/testing/selftests/net/forwarding/mirror_lib.sh
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@@ -20,6 +20,13 @@
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 	tc filter del dev $swp1 $direction pref 1000
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 }
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+is_ipv6()
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+{
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+	local addr=$1; shift
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+
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+	[[ -z ${addr//[0-9a-fA-F:]/} ]]
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+}
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+
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 mirror_test()
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 {
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 	local vrf_name=$1; shift
..
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@@ -29,9 +36,18 @@
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 	local pref=$1; shift
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 	local expect=$1; shift
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+	if is_ipv6 $dip; then
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+		local proto=-6
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+		local type="icmp6 type=128" # Echo request.
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+	else
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+		local proto=
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+		local type="icmp echoreq"
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+	fi
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+
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 	local t0=$(tc_rule_stats_get $dev $pref)
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-	ip vrf exec $vrf_name \
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-	   ${PING} ${sip:+-I $sip} $dip -c 10 -i 0.1 -w 2 &> /dev/null
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+	$MZ $proto $vrf_name ${sip:+-A $sip} -B $dip -a own -b bc -q \
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+	    -c 10 -d 100msec -t $type
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+	sleep 0.5
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 	local t1=$(tc_rule_stats_get $dev $pref)
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 	local delta=$((t1 - t0))
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 	# Tolerate a couple stray extra packets.