Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cab14d10 authored by David Ahern's avatar David Ahern Committed by David S. Miller
Browse files

selftests: Add version of router_multipath.sh using nexthop objects 



Add a version of router_multipath.sh that uses nexthop objects for
routes.

Ido requested a version that does not cause regressions with mlxsw
testing since it does not support nexthop objects yet.

Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 735ab2f6

tools/testing/selftests/net/forwarding/router_mpath_nh.sh

0 → 100755
+359 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



ALL_TESTS="ping_ipv4 ping_ipv6 multipath_test"

NUM_NETIFS=8

source lib.sh



h1_create()

{

	vrf_create "vrf-h1"

	ip link set dev $h1 master vrf-h1



	ip link set dev vrf-h1 up

	ip link set dev $h1 up



	ip address add 192.0.2.2/24 dev $h1

	ip address add 2001:db8:1::2/64 dev $h1



	ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1

	ip route add 2001:db8:2::/64 vrf vrf-h1 nexthop via 2001:db8:1::1

}



h1_destroy()

{

	ip route del 2001:db8:2::/64 vrf vrf-h1

	ip route del 198.51.100.0/24 vrf vrf-h1



	ip address del 2001:db8:1::2/64 dev $h1

	ip address del 192.0.2.2/24 dev $h1



	ip link set dev $h1 down

	vrf_destroy "vrf-h1"

}



h2_create()

{

	vrf_create "vrf-h2"

	ip link set dev $h2 master vrf-h2



	ip link set dev vrf-h2 up

	ip link set dev $h2 up



	ip address add 198.51.100.2/24 dev $h2

	ip address add 2001:db8:2::2/64 dev $h2



	ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1

	ip route add 2001:db8:1::/64 vrf vrf-h2 nexthop via 2001:db8:2::1

}



h2_destroy()

{

	ip route del 2001:db8:1::/64 vrf vrf-h2

	ip route del 192.0.2.0/24 vrf vrf-h2



	ip address del 2001:db8:2::2/64 dev $h2

	ip address del 198.51.100.2/24 dev $h2



	ip link set dev $h2 down

	vrf_destroy "vrf-h2"

}



router1_create()

{

	vrf_create "vrf-r1"

	ip link set dev $rp11 master vrf-r1

	ip link set dev $rp12 master vrf-r1

	ip link set dev $rp13 master vrf-r1



	ip link set dev vrf-r1 up

	ip link set dev $rp11 up

	ip link set dev $rp12 up

	ip link set dev $rp13 up



	ip address add 192.0.2.1/24 dev $rp11

	ip address add 2001:db8:1::1/64 dev $rp11



	ip address add 169.254.2.12/24 dev $rp12

	ip address add fe80:2::12/64 dev $rp12



	ip address add 169.254.3.13/24 dev $rp13

	ip address add fe80:3::13/64 dev $rp13

}



router1_destroy()

{

	ip route del 2001:db8:2::/64 vrf vrf-r1

	ip route del 198.51.100.0/24 vrf vrf-r1



	ip address del fe80:3::13/64 dev $rp13

	ip address del 169.254.3.13/24 dev $rp13



	ip address del fe80:2::12/64 dev $rp12

	ip address del 169.254.2.12/24 dev $rp12



	ip address del 2001:db8:1::1/64 dev $rp11

	ip address del 192.0.2.1/24 dev $rp11



	ip nexthop del id 103

	ip nexthop del id 101

	ip nexthop del id 102

	ip nexthop del id 106

	ip nexthop del id 104

	ip nexthop del id 105



	ip link set dev $rp13 down

	ip link set dev $rp12 down

	ip link set dev $rp11 down



	vrf_destroy "vrf-r1"

}



router2_create()

{

	vrf_create "vrf-r2"

	ip link set dev $rp21 master vrf-r2

	ip link set dev $rp22 master vrf-r2

	ip link set dev $rp23 master vrf-r2



	ip link set dev vrf-r2 up

	ip link set dev $rp21 up

	ip link set dev $rp22 up

	ip link set dev $rp23 up



	ip address add 198.51.100.1/24 dev $rp21

	ip address add 2001:db8:2::1/64 dev $rp21



	ip address add 169.254.2.22/24 dev $rp22

	ip address add fe80:2::22/64 dev $rp22



	ip address add 169.254.3.23/24 dev $rp23

	ip address add fe80:3::23/64 dev $rp23

}



router2_destroy()

{

	ip route del 2001:db8:1::/64 vrf vrf-r2

	ip route del 192.0.2.0/24 vrf vrf-r2



	ip address del fe80:3::23/64 dev $rp23

	ip address del 169.254.3.23/24 dev $rp23



	ip address del fe80:2::22/64 dev $rp22

	ip address del 169.254.2.22/24 dev $rp22



	ip address del 2001:db8:2::1/64 dev $rp21

	ip address del 198.51.100.1/24 dev $rp21



	ip nexthop del id 201

	ip nexthop del id 202

	ip nexthop del id 204

	ip nexthop del id 205



	ip link set dev $rp23 down

	ip link set dev $rp22 down

	ip link set dev $rp21 down



	vrf_destroy "vrf-r2"

}



routing_nh_obj()

{

	ip nexthop add id 101 via 169.254.2.22 dev $rp12

	ip nexthop add id 102 via 169.254.3.23 dev $rp13

	ip nexthop add id 103 group 101/102

	ip route add 198.51.100.0/24 vrf vrf-r1 nhid 103



	ip nexthop add id 104 via fe80:2::22 dev $rp12

	ip nexthop add id 105 via fe80:3::23 dev $rp13

	ip nexthop add id 106 group 104/105

	ip route add 2001:db8:2::/64 vrf vrf-r1 nhid 106



	ip nexthop add id 201 via 169.254.2.12 dev $rp22

	ip nexthop add id 202 via 169.254.3.13 dev $rp23

	ip nexthop add id 203 group 201/202

	ip route add 192.0.2.0/24 vrf vrf-r2 nhid 203



	ip nexthop add id 204 via fe80:2::12 dev $rp22

	ip nexthop add id 205 via fe80:3::13 dev $rp23

	ip nexthop add id 206 group 204/205

	ip route add 2001:db8:1::/64 vrf vrf-r2 nhid 206

}



multipath4_test()

{

	local desc="$1"

	local weight_rp12=$2

	local weight_rp13=$3

	local t0_rp12 t0_rp13 t1_rp12 t1_rp13

	local packets_rp12 packets_rp13



	# Transmit multiple flows from h1 to h2 and make sure they are

	# distributed between both multipath links (rp12 and rp13)

	# according to the configured weights.

	sysctl_set net.ipv4.fib_multipath_hash_policy 1

	ip nexthop replace id 103 group 101,$weight_rp12/102,$weight_rp13



	t0_rp12=$(link_stats_tx_packets_get $rp12)

	t0_rp13=$(link_stats_tx_packets_get $rp13)



	ip vrf exec vrf-h1 $MZ -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \

		-d 1msec -t udp "sp=1024,dp=0-32768"



	t1_rp12=$(link_stats_tx_packets_get $rp12)

	t1_rp13=$(link_stats_tx_packets_get $rp13)



	let "packets_rp12 = $t1_rp12 - $t0_rp12"

	let "packets_rp13 = $t1_rp13 - $t0_rp13"

	multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13



	# Restore settings.

	ip nexthop replace id 103 group 101/102

	sysctl_restore net.ipv4.fib_multipath_hash_policy

}



multipath6_l4_test()

{

	local desc="$1"

	local weight_rp12=$2

	local weight_rp13=$3

	local t0_rp12 t0_rp13 t1_rp12 t1_rp13

	local packets_rp12 packets_rp13



	# Transmit multiple flows from h1 to h2 and make sure they are

	# distributed between both multipath links (rp12 and rp13)

	# according to the configured weights.

	sysctl_set net.ipv6.fib_multipath_hash_policy 1



	ip nexthop replace id 106 group 104,$weight_rp12/105,$weight_rp13



	t0_rp12=$(link_stats_tx_packets_get $rp12)

	t0_rp13=$(link_stats_tx_packets_get $rp13)



	$MZ $h1 -6 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \

		-d 1msec -t udp "sp=1024,dp=0-32768"



	t1_rp12=$(link_stats_tx_packets_get $rp12)

	t1_rp13=$(link_stats_tx_packets_get $rp13)



	let "packets_rp12 = $t1_rp12 - $t0_rp12"

	let "packets_rp13 = $t1_rp13 - $t0_rp13"

	multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13



	ip nexthop replace id 106 group 104/105



	sysctl_restore net.ipv6.fib_multipath_hash_policy

}



multipath6_test()

{

	local desc="$1"

	local weight_rp12=$2

	local weight_rp13=$3

	local t0_rp12 t0_rp13 t1_rp12 t1_rp13

	local packets_rp12 packets_rp13



	ip nexthop replace id 106 group 104,$weight_rp12/105,$weight_rp13



	t0_rp12=$(link_stats_tx_packets_get $rp12)

	t0_rp13=$(link_stats_tx_packets_get $rp13)



	# Generate 16384 echo requests, each with a random flow label.

	for _ in $(seq 1 16384); do

		ip vrf exec vrf-h1 $PING6 2001:db8:2::2 -F 0 -c 1 -q >/dev/null 2>&1

	done



	t1_rp12=$(link_stats_tx_packets_get $rp12)

	t1_rp13=$(link_stats_tx_packets_get $rp13)



	let "packets_rp12 = $t1_rp12 - $t0_rp12"

	let "packets_rp13 = $t1_rp13 - $t0_rp13"

	multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13



	ip nexthop replace id 106 group 104/105

}



multipath_test()

{

	log_info "Running IPv4 multipath tests"

	multipath4_test "ECMP" 1 1

	multipath4_test "Weighted MP 2:1" 2 1

	multipath4_test "Weighted MP 11:45" 11 45



	log_info "Running IPv6 multipath tests"

	multipath6_test "ECMP" 1 1

	multipath6_test "Weighted MP 2:1" 2 1

	multipath6_test "Weighted MP 11:45" 11 45



	log_info "Running IPv6 L4 hash multipath tests"

	multipath6_l4_test "ECMP" 1 1

	multipath6_l4_test "Weighted MP 2:1" 2 1

	multipath6_l4_test "Weighted MP 11:45" 11 45

}



setup_prepare()

{

	h1=${NETIFS[p1]}

	rp11=${NETIFS[p2]}



	rp12=${NETIFS[p3]}

	rp22=${NETIFS[p4]}



	rp13=${NETIFS[p5]}

	rp23=${NETIFS[p6]}



	rp21=${NETIFS[p7]}

	h2=${NETIFS[p8]}



	vrf_prepare



	h1_create

	h2_create



	router1_create

	router2_create

	routing_nh_obj



	forwarding_enable

}



cleanup()

{

	pre_cleanup



	forwarding_restore



	router2_destroy

	router1_destroy



	h2_destroy

	h1_destroy



	vrf_cleanup

}



ping_ipv4()

{

	ping_test $h1 198.51.100.2

}



ping_ipv6()

{

	ping6_test $h1 2001:db8:2::2

}



ip nexthop ls >/dev/null 2>&1

if [ $? -ne 0 ]; then

	echo "Nexthop objects not supported; skipping tests"

	exit 0

fi



trap cleanup EXIT



setup_prepare

setup_wait

routing_nh_obj



tests_run



exit $EXIT_STATUS