selftests/net/fib_nexthop_multiprefix.sh

2 # SPDX-License-Identifier: GPL-2.0
5 # Validate a different # exception is generated in h0 for each remote host.
9 #    h0 - r1 -  h2
26 	local rc=$1
27 	local expected=$2
28 	local msg="$3"
30 	if [ ${rc} -eq ${expected} ]; then
31 		printf "TEST: %-60s  [ OK ]\n" "${msg}"
36 		printf "TEST: %-60s  [FAIL]\n" "${msg}"
50 	local cmd="$*"
51 	local out
52 	local rc
60 	if [ "$VERBOSE" = "1" -a -n "$out" ]; then
74 	local ns=${1}
76 	ip netns exec ${ns} sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
79 		ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=0
82 		ip netns exec $ns sysctl -q -w net.ipv4.ip_forward=1
83 		ip netns exec $ns sysctl -q -w net.ipv6.conf.all.forwarding=1
90 	local ns
91 	local i
93 	#set -e
112 		ip -netns ${h[$i]} li add eth0 type veth peer name r1h${i}
113 		ip -netns ${h[$i]} li set eth0 up
114 		ip -netns ${h[$i]} li set r1h${i} netns ${r[1]} name eth${i} up
116 		ip -netns ${h[$i]}    addr add dev eth0 172.16.10${i}.1/24
117 		ip -netns ${h[$i]} -6 addr add dev eth0 2001:db8:10${i}::1/64
118 		ip -netns ${r[1]}    addr add dev eth${i} 172.16.10${i}.254/24
119 		ip -netns ${r[1]} -6 addr add dev eth${i} 2001:db8:10${i}::64/64
122 	ip -netns ${h[0]} nexthop add id 4 via 172.16.100.254 dev eth0
123 	ip -netns ${h[0]} nexthop add id 6 via 2001:db8:100::64 dev eth0
125 	# routing from ${h[0]} to h1-h3 and back
128 		ip -netns ${h[0]}    ro add 172.16.10${i}.0/24 nhid 4
129 		ip -netns ${h[$i]} ro add 172.16.100.0/24 via 172.16.10${i}.254
131 		ip -netns ${h[0]}    -6 ro add 2001:db8:10${i}::/64 nhid 6
132 		ip -netns ${h[$i]} -6 ro add 2001:db8:100::/64 via 2001:db8:10${i}::64
137 		echo "host 1 config"
138 		ip -netns ${h[0]} li sh
139 		ip -netns ${h[0]} ro sh
140 		ip -netns ${h[0]} -6 ro sh
153 	local hostid=$1
154 	local mtu=$2
156 	run_cmd ip -netns h${hostid} li set eth0 mtu ${mtu}
157 	run_cmd ip -netns ${r1} li set eth${hostid} mtu ${mtu}
165 	local i=$1
166 	local mtu=$2
167 	local ping_sz=$3
168 	local dst="172.16.10${i}.1"
169 	local h0_ip=172.16.100.1
170 	local r1_ip=172.16.100.254
171 	local rc
174 		run_cmd ip netns exec ${h0} ping -s ${ping_sz} -c5 -w5 ${dst}
179 		ip -netns ${h0} ro get ${dst}
185 	ip -netns ${h0} ro get ${dst} | \
186 	grep -q "cache .* mtu ${mtu}"
189 	log_test $rc 0 "IPv4: host 0 to host ${i}, mtu ${mtu}"
194 	local i=$1
195 	local mtu=$2
196 	local ping_sz=$3
197 	local dst="2001:db8:10${i}::1"
198 	local h0_ip=2001:db8:100::1
199 	local r1_ip=2001:db8:100::64
200 	local rc
203 		run_cmd ip netns exec ${h0} ${ping6} -s ${ping_sz} -c5 -w5 ${dst}
208 		ip -netns ${h0} -6 ro get ${dst}
214 	ip -netns ${h0} -6 ro get ${dst} | \
215 	grep -q "${dst}.* via ${r1_ip} dev eth0 src ${h0_ip} .* mtu ${mtu}"
218 	log_test $rc 0 "IPv6: host 0 to host ${i}, mtu ${mtu}"
237 cpus="$(seq ${cpus/-/ })"
241 	# generate a cached route per-cpu
243 		run_cmd taskset -c ${c} ip netns exec ${h0} ping -c1 -w1 172.16.10${i}.1
244 		[ $? -ne 0 ] && printf "\nERROR: ping to ${h[$i]} failed\n" && ret=1
246 		run_cmd taskset -c ${c} ip netns exec ${h0} ${ping6} -c1 -w1 2001:db8:10${i}::1
247 		[ $? -ne 0 ] && printf "\nERROR: ping6 to ${h[$i]} failed\n" && ret=1
249 		[ $ret -ne 0 ] && break
251 	[ $ret -ne 0 ] && break
254 if [ $ret -eq 0 ]; then
283 	ip -netns ${h0} ro del 172.16.102.0/24 nhid 4
284 	ip -netns ${h0} -6 ro del 2001:db8:102::/64 nhid 6
286 	ip -netns ${h0} nexthop del id 4
287 	ip -netns ${h0} nexthop del id 6