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Commit 4908e24b authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

selftests: forwarding: Introduce basic shared blocks tests 



Test shared block infrastructure. This is a basic test that shares TC
block in between 2 clsact qdiscs.

Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b13f245e

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

+6 −0
Original line number Diff line number Diff line
@@ -30,6 +30,12 @@ if [[ $? -ne 0 ]]; then 
	exit 0

fi



tc filter help 2>&1 | grep block &> /dev/null

if [[ $? -ne 0 ]]; then

	echo "SKIP: iproute2 too old, missing shared block support"

	exit 0

fi



if [[ ! -x "$(command -v jq)" ]]; then

	echo "SKIP: jq not installed"

	exit 0

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

0 → 100755
+122 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



NUM_NETIFS=4

source lib.sh

source tc_common.sh



tcflags="skip_hw"



h1_create()

{

	simple_if_init $h1 192.0.2.1/24

}



h1_destroy()

{

	simple_if_fini $h1 192.0.2.1/24

}



h2_create()

{

	simple_if_init $h2 192.0.2.1/24

}



h2_destroy()

{

	simple_if_fini $h2 192.0.2.1/24

}



switch_create()

{

	simple_if_init $swp1 192.0.2.2/24

	tc qdisc add dev $swp1 ingress_block 22 egress_block 23 clsact



	simple_if_init $swp2 192.0.2.2/24

	tc qdisc add dev $swp2 ingress_block 22 egress_block 23 clsact

}



switch_destroy()

{

	tc qdisc del dev $swp2 clsact

	simple_if_fini $swp2 192.0.2.2/24



	tc qdisc del dev $swp1 clsact

	simple_if_fini $swp1 192.0.2.2/24

}



shared_block_test()

{

	RET=0



	tc filter add block 22 protocol ip pref 1 handle 101 flower \

		$tcflags dst_ip 192.0.2.2 action drop



	$MZ $h1 -c 1 -p 64 -a $h1mac -b $swmac -A 192.0.2.1 -B 192.0.2.2 \

		-t ip -q



	tc_check_packets "block 22" 101 1

	check_err $? "Did not match first incoming packet on a block"



	$MZ $h2 -c 1 -p 64 -a $h2mac -b $swmac -A 192.0.2.1 -B 192.0.2.2 \

		-t ip -q



	tc_check_packets "block 22" 101 2

	check_err $? "Did not match second incoming packet on a block"



	tc filter del block 22 protocol ip pref 1 handle 101 flower



	log_test "shared block ($tcflags)"

}



setup_prepare()

{

	h1=${NETIFS[p1]}

	swp1=${NETIFS[p2]}



	swp2=${NETIFS[p3]}

	h2=${NETIFS[p4]}



	h1mac=$(mac_get $h1)

	h2mac=$(mac_get $h2)



	swmac=$(mac_get $swp1)

	swp2origmac=$(mac_get $swp2)

	ip link set $swp2 address $swmac



	vrf_prepare



	h1_create

	h2_create

	switch_create

}



cleanup()

{

	pre_cleanup



	switch_destroy

	h2_destroy

	h1_destroy



	vrf_cleanup



	ip link set $swp2 address $swp2origmac

}



trap cleanup EXIT



setup_prepare

setup_wait



shared_block_test



tc_offload_check

if [[ $? -ne 0 ]]; then

	log_info "Could not test offloaded functionality"

else

	tcflags="skip_sw"

	shared_block_test

fi



exit $EXIT_STATUS