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Commit d98307c5 authored by Arkadi Sharshevsky's avatar Arkadi Sharshevsky Committed by David S. Miller
Browse files

selftests: mlxsw: Add router test 



This test aims for both stand alone and internal usage by the resource
infra. The test receives the number routes to offload and checks:
- The routes were offloaded correctly
- Traffic for each route.

Signed-off-by: default avatarArkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: default avatarYuval Mintz <yuvalm@mellanox.com>
Reviewed-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b030c338

tools/testing/selftests/drivers/net/mlxsw/router_scale.sh

0 → 100644
+167 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



ROUTER_NUM_NETIFS=4



router_h1_create()

{

	simple_if_init $h1 192.0.1.1/24

	ip route add 193.0.0.0/8 via 192.0.1.2 dev $h1

}



router_h1_destroy()

{

	ip route del 193.0.0.0/8 via 192.0.1.2 dev $h1

	simple_if_fini $h1 192.0.1.1/24

}



router_h2_create()

{

	simple_if_init $h2 192.0.2.1/24

	tc qdisc add dev $h2 handle ffff: ingress

}



router_h2_destroy()

{

	tc qdisc del dev $h2 handle ffff: ingress

	simple_if_fini $h2 192.0.2.1/24

}



router_create()

{

	ip link set dev $rp1 up

	ip link set dev $rp2 up



	ip address add 192.0.1.2/24 dev $rp1

	ip address add 192.0.2.2/24 dev $rp2

}



router_destroy()

{

	ip address del 192.0.2.2/24 dev $rp2

	ip address del 192.0.1.2/24 dev $rp1



	ip link set dev $rp2 down

	ip link set dev $rp1 down

}



router_setup_prepare()

{

	h1=${NETIFS[p1]}

	rp1=${NETIFS[p2]}



	rp2=${NETIFS[p3]}

	h2=${NETIFS[p4]}



	h1mac=$(mac_get $h1)

	rp1mac=$(mac_get $rp1)



	vrf_prepare



	router_h1_create

	router_h2_create



	router_create

}



router_offload_validate()

{

	local route_count=$1

	local offloaded_count



	offloaded_count=$(ip route | grep -o 'offload' | wc -l)

	[[ $offloaded_count -ge $route_count ]]

}



router_routes_create()

{

	local route_count=$1

	local count=0



	ROUTE_FILE="$(mktemp)"



	for i in {0..255}

	do

		for j in {0..255}

		do

			for k in {0..255}

			do

				if [[ $count -eq $route_count ]]; then

					break 3

				fi



				echo route add 193.${i}.${j}.${k}/32 via \

				       192.0.2.1 dev $rp2  >> $ROUTE_FILE

				((count++))

			done

		done

	done



	ip -b $ROUTE_FILE &> /dev/null

}



router_routes_destroy()

{

	if [[ -v ROUTE_FILE ]]; then

		rm -f $ROUTE_FILE

	fi

}



router_test()

{

	local route_count=$1

	local should_fail=$2

	local count=0



	RET=0



	router_routes_create $route_count



	router_offload_validate $route_count

	check_err_fail $should_fail $? "Offload of $route_count routes"

	if [[ $RET -ne 0 ]] || [[ $should_fail -eq 1 ]]; then

		return

	fi



	tc filter add dev $h2 ingress protocol ip pref 1 flower \

		skip_sw dst_ip 193.0.0.0/8 action drop



	for i in {0..255}

	do

		for j in {0..255}

		do

			for k in {0..255}

			do

				if [[ $count -eq $route_count ]]; then

					break 3

				fi



				$MZ $h1 -c 1 -p 64 -a $h1mac -b $rp1mac \

					-A 192.0.1.1 -B 193.${i}.${j}.${k} \

					-t ip -q

				((count++))

			done

		done

	done



	tc_check_packets "dev $h2 ingress" 1 $route_count

	check_err $? "Offload mismatch"



	tc filter del dev $h2 ingress protocol ip pref 1 flower \

		skip_sw dst_ip 193.0.0.0/8 action drop



	router_routes_destroy

}



router_cleanup()

{

	pre_cleanup



	router_routes_destroy

	router_destroy



	router_h2_destroy

	router_h1_destroy



	vrf_cleanup

}