Commit 383dbf70 authored by Amit Cohen's avatar Amit Cohen Committed by David S. Miller
Browse files

selftests: forwarding: router: Add test case for source IP in class E 



Add test case to check that packets are not dropped when they need to be
routed and their source IP in class E, (i.e., 240.0.0.0 –
255.255.255.254).

Signed-off-by: default avatarAmit Cohen <amitc@mellanox.com>
Acked-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 62b0fb09

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

+37 −1
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



ALL_TESTS="ping_ipv4 ping_ipv6"

ALL_TESTS="

	ping_ipv4

	ping_ipv6

	sip_in_class_e

"



NUM_NETIFS=4

source lib.sh

source tc_common.sh



h1_create()

{
@@ -64,6 +70,8 @@ router_create() 
	ip link set dev $rp1 up

	ip link set dev $rp2 up



	tc qdisc add dev $rp2 clsact



	ip address add 192.0.2.1/24 dev $rp1

	ip address add 2001:db8:1::1/64 dev $rp1
@@ -79,6 +87,8 @@ router_destroy() 
	ip address del 2001:db8:1::1/64 dev $rp1

	ip address del 192.0.2.1/24 dev $rp1



	tc qdisc del dev $rp2 clsact



	ip link set dev $rp2 down

	ip link set dev $rp1 down

}
@@ -91,6 +101,8 @@ setup_prepare() 
	rp2=${NETIFS[p3]}

	h2=${NETIFS[p4]}



	rp1mac=$(mac_get $rp1)



	vrf_prepare



	h1_create
@@ -125,6 +137,30 @@ ping_ipv6() 
	ping6_test $h1 2001:db8:2::2

}



sip_in_class_e()

{

	RET=0



	# Disable rpfilter to prevent packets to be dropped because of it.

	sysctl_set net.ipv4.conf.all.rp_filter 0

	sysctl_set net.ipv4.conf.$rp1.rp_filter 0



	tc filter add dev $rp2 egress protocol ip pref 1 handle 101 \

		flower src_ip 240.0.0.1 ip_proto udp action pass



	$MZ $h1 -t udp "sp=54321,dp=12345" -c 5 -d 1msec \

		-A 240.0.0.1 -b $rp1mac -B 198.51.100.2 -q



	tc_check_packets "dev $rp2 egress" 101 5

	check_err $? "Packets were dropped"



	log_test "Source IP in class E"



	tc filter del dev $rp2 egress protocol ip pref 1 handle 101 flower

	sysctl_restore net.ipv4.conf.$rp1.rp_filter

	sysctl_restore net.ipv4.conf.all.rp_filter

}



trap cleanup EXIT



setup_prepare

CRA Git | Maintained and supported by SUSTech CRA and CCSE