rif_mac_profiles_occ.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3
  4lib_dir=$(dirname $0)/../../../net/forwarding
  5
  6ALL_TESTS="
  7	rif_mac_profile_edit_test
  8"
  9NUM_NETIFS=2
 10source $lib_dir/lib.sh
 11source $lib_dir/devlink_lib.sh
 12
 13setup_prepare()
 14{
 15	h1=${NETIFS[p1]}
 16	h2=${NETIFS[p2]}
 17
 18	# Disable IPv6 on the two interfaces to avoid IPv6 link-local addresses
 19	# being generated and RIFs being created
 20	sysctl_set net.ipv6.conf.$h1.disable_ipv6 1
 21	sysctl_set net.ipv6.conf.$h2.disable_ipv6 1
 22
 23	ip link set $h1 up
 24	ip link set $h2 up
 25}
 26
 27cleanup()
 28{
 29	pre_cleanup
 30
 31	ip link set $h2 down
 32	ip link set $h1 down
 33
 34	sysctl_restore net.ipv6.conf.$h2.disable_ipv6
 35	sysctl_restore net.ipv6.conf.$h1.disable_ipv6
 36
 37	# Reload in order to clean all the RIFs and RIF MAC profiles created
 38	devlink_reload
 39}
 40
 41create_max_rif_mac_profiles()
 42{
 43	local count=$1; shift
 44	local batch_file="$(mktemp)"
 45
 46	for ((i = 1; i <= count; i++)); do
 47		vlan=$(( i*10 ))
 48		m=$(( i*11 ))
 49
 50		cat >> $batch_file <<-EOF
 51			link add link $h1 name $h1.$vlan \
 52				address 00:$m:$m:$m:$m:$m type vlan id $vlan
 53			address add 192.0.$m.1/24 dev $h1.$vlan
 54		EOF
 55	done
 56
 57	ip -b $batch_file &> /dev/null
 58	rm -f $batch_file
 59}
 60
 61rif_mac_profile_replacement_test()
 62{
 63	local h1_10_mac=$(mac_get $h1.10)
 64
 65	RET=0
 66
 67	ip link set $h1.10 address 00:12:34:56:78:99
 68	check_err $?
 69
 70	log_test "RIF MAC profile replacement"
 71
 72	ip link set $h1.10 address $h1_10_mac
 73}
 74
 75rif_mac_profile_consolidation_test()
 76{
 77	local count=$1; shift
 78	local h1_20_mac
 79
 80	RET=0
 81
 82	if [[ $count -eq 1 ]]; then
 83		return
 84	fi
 85
 86	h1_20_mac=$(mac_get $h1.20)
 87
 88	# Set the MAC of $h1.20 to that of $h1.10 and confirm that they are
 89	# using the same MAC profile.
 90	ip link set $h1.20 address 00:11:11:11:11:11
 91	check_err $?
 92
 93	occ=$(devlink -j resource show $DEVLINK_DEV \
 94	      | jq '.[][][] | select(.name=="rif_mac_profiles") |.["occ"]')
 95
 96	[[ $occ -eq $((count - 1)) ]]
 97	check_err $? "MAC profile occupancy did not decrease"
 98
 99	log_test "RIF MAC profile consolidation"
100
101	ip link set $h1.20 address $h1_20_mac
102}
103
104rif_mac_profile_shared_replacement_test()
105{
106	local count=$1; shift
107	local i=$((count + 1))
108	local vlan=$(( i*10 ))
109	local m=11
110
111	RET=0
112
113	# Create a VLAN netdevice that has the same MAC as the first one.
114	ip link add link $h1 name $h1.$vlan address 00:$m:$m:$m:$m:$m \
115		type vlan id $vlan
116	ip address add 192.0.$m.1/24 dev $h1.$vlan
117
118	# MAC replacement should fail because all the MAC profiles are in use
119	# and the profile is shared between multiple RIFs
120	m=$(( i*11 ))
121	ip link set $h1.$vlan address 00:$m:$m:$m:$m:$m &> /dev/null
122	check_fail $?
123
124	log_test "RIF MAC profile shared replacement"
125
126	ip link del dev $h1.$vlan
127}
128
129rif_mac_profile_edit_test()
130{
131	local count=$(devlink_resource_size_get rif_mac_profiles)
132
133	create_max_rif_mac_profiles $count
134
135	rif_mac_profile_replacement_test
136	rif_mac_profile_consolidation_test $count
137	rif_mac_profile_shared_replacement_test $count
138}
139
140trap cleanup EXIT
141
142setup_prepare
143setup_wait
144
145tests_run
146
147exit $EXIT_STATUS