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selftests/net: convert fib_nexthop_multiprefix to run it in unique namespace
Here is the test result after conversion. ]# ./fib_nexthop_multiprefix.sh TEST: IPv4: host 0 to host 1, mtu 1300 [ OK ] TEST: IPv6: host 0 to host 1, mtu 1300 [ OK ] TEST: IPv4: host 0 to host 2, mtu 1350 [ OK ] TEST: IPv6: host 0 to host 2, mtu 1350 [ OK ] TEST: IPv4: host 0 to host 3, mtu 1400 [ OK ] TEST: IPv6: host 0 to host 3, mtu 1400 [ OK ] TEST: IPv4: host 0 to host 1, mtu 1300 [ OK ] TEST: IPv6: host 0 to host 1, mtu 1300 [ OK ] TEST: IPv4: host 0 to host 2, mtu 1350 [ OK ] TEST: IPv6: host 0 to host 2, mtu 1350 [ OK ] TEST: IPv4: host 0 to host 3, mtu 1400 [ OK ] TEST: IPv6: host 0 to host 3, mtu 1400 [ OK ] Acked-by: David Ahern <dsahern@kernel.org> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://lore.kernel.org/r/20231213060856.4030084-8-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Hangbin Liu
Jakub Kicinski
parent
a33e9da347
commit
5ae89fe43a
1 changed files with 47 additions and 49 deletions
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@ -12,6 +12,7 @@
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#
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# routing in h0 to hN is done with nexthop objects.
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source lib.sh
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PAUSE_ON_FAIL=no
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VERBOSE=0
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@ -72,12 +73,6 @@ create_ns()
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{
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local ns=${1}
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ip netns del ${ns} 2>/dev/null
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ip netns add ${ns}
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ip -netns ${ns} addr add 127.0.0.1/8 dev lo
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ip -netns ${ns} link set lo up
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ip netns exec ${ns} sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
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case ${ns} in
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h*)
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@ -97,7 +92,13 @@ setup()
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#set -e
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for ns in h0 r1 h1 h2 h3
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setup_ns h0 r1 h1 h2 h3
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h[0]=$h0
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h[1]=$h1
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h[2]=$h2
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h[3]=$h3
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r[1]=$r1
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for ns in ${h[0]} ${r[1]} ${h[1]} ${h[2]} ${h[3]}
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do
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create_ns ${ns}
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done
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@ -108,35 +109,35 @@ setup()
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for i in 0 1 2 3
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do
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ip -netns h${i} li add eth0 type veth peer name r1h${i}
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ip -netns h${i} li set eth0 up
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ip -netns h${i} li set r1h${i} netns r1 name eth${i} up
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ip -netns ${h[$i]} li add eth0 type veth peer name r1h${i}
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ip -netns ${h[$i]} li set eth0 up
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ip -netns ${h[$i]} li set r1h${i} netns ${r[1]} name eth${i} up
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ip -netns h${i} addr add dev eth0 172.16.10${i}.1/24
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ip -netns h${i} -6 addr add dev eth0 2001:db8:10${i}::1/64
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ip -netns r1 addr add dev eth${i} 172.16.10${i}.254/24
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ip -netns r1 -6 addr add dev eth${i} 2001:db8:10${i}::64/64
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ip -netns ${h[$i]} addr add dev eth0 172.16.10${i}.1/24
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ip -netns ${h[$i]} -6 addr add dev eth0 2001:db8:10${i}::1/64
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ip -netns ${r[1]} addr add dev eth${i} 172.16.10${i}.254/24
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ip -netns ${r[1]} -6 addr add dev eth${i} 2001:db8:10${i}::64/64
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done
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ip -netns h0 nexthop add id 4 via 172.16.100.254 dev eth0
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ip -netns h0 nexthop add id 6 via 2001:db8:100::64 dev eth0
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ip -netns ${h[0]} nexthop add id 4 via 172.16.100.254 dev eth0
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ip -netns ${h[0]} nexthop add id 6 via 2001:db8:100::64 dev eth0
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# routing from h0 to h1-h3 and back
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# routing from ${h[0]} to h1-h3 and back
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for i in 1 2 3
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do
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ip -netns h0 ro add 172.16.10${i}.0/24 nhid 4
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ip -netns h${i} ro add 172.16.100.0/24 via 172.16.10${i}.254
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ip -netns ${h[0]} ro add 172.16.10${i}.0/24 nhid 4
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ip -netns ${h[$i]} ro add 172.16.100.0/24 via 172.16.10${i}.254
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ip -netns h0 -6 ro add 2001:db8:10${i}::/64 nhid 6
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ip -netns h${i} -6 ro add 2001:db8:100::/64 via 2001:db8:10${i}::64
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ip -netns ${h[0]} -6 ro add 2001:db8:10${i}::/64 nhid 6
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ip -netns ${h[$i]} -6 ro add 2001:db8:100::/64 via 2001:db8:10${i}::64
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done
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if [ "$VERBOSE" = "1" ]; then
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echo
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echo "host 1 config"
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ip -netns h0 li sh
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ip -netns h0 ro sh
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ip -netns h0 -6 ro sh
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ip -netns ${h[0]} li sh
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ip -netns ${h[0]} ro sh
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ip -netns ${h[0]} -6 ro sh
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fi
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#set +e
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@ -144,10 +145,7 @@ setup()
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cleanup()
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{
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for n in h0 r1 h1 h2 h3
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do
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ip netns del ${n} 2>/dev/null
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done
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cleanup_all_ns
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}
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change_mtu()
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@ -156,7 +154,7 @@ change_mtu()
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local mtu=$2
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run_cmd ip -netns h${hostid} li set eth0 mtu ${mtu}
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run_cmd ip -netns r1 li set eth${hostid} mtu ${mtu}
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run_cmd ip -netns ${r1} li set eth${hostid} mtu ${mtu}
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}
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################################################################################
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@ -168,23 +166,23 @@ validate_v4_exception()
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local mtu=$2
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local ping_sz=$3
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local dst="172.16.10${i}.1"
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local h0=172.16.100.1
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local r1=172.16.100.254
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local h0_ip=172.16.100.1
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local r1_ip=172.16.100.254
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local rc
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if [ ${ping_sz} != "0" ]; then
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run_cmd ip netns exec h0 ping -s ${ping_sz} -c5 -w5 ${dst}
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run_cmd ip netns exec ${h0} ping -s ${ping_sz} -c5 -w5 ${dst}
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fi
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if [ "$VERBOSE" = "1" ]; then
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echo "Route get"
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ip -netns h0 ro get ${dst}
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ip -netns ${h0} ro get ${dst}
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echo "Searching for:"
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echo " cache .* mtu ${mtu}"
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echo
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fi
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ip -netns h0 ro get ${dst} | \
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ip -netns ${h0} ro get ${dst} | \
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grep -q "cache .* mtu ${mtu}"
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rc=$?
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@ -197,24 +195,24 @@ validate_v6_exception()
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local mtu=$2
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local ping_sz=$3
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local dst="2001:db8:10${i}::1"
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local h0=2001:db8:100::1
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local r1=2001:db8:100::64
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local h0_ip=2001:db8:100::1
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local r1_ip=2001:db8:100::64
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local rc
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if [ ${ping_sz} != "0" ]; then
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run_cmd ip netns exec h0 ${ping6} -s ${ping_sz} -c5 -w5 ${dst}
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run_cmd ip netns exec ${h0} ${ping6} -s ${ping_sz} -c5 -w5 ${dst}
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fi
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if [ "$VERBOSE" = "1" ]; then
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echo "Route get"
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ip -netns h0 -6 ro get ${dst}
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ip -netns ${h0} -6 ro get ${dst}
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echo "Searching for:"
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echo " ${dst}.* via ${r1} dev eth0 src ${h0} .* mtu ${mtu}"
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echo " ${dst}.* via ${r1_ip} dev eth0 src ${h0_ip} .* mtu ${mtu}"
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echo
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fi
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ip -netns h0 -6 ro get ${dst} | \
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grep -q "${dst}.* via ${r1} dev eth0 src ${h0} .* mtu ${mtu}"
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ip -netns ${h0} -6 ro get ${dst} | \
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grep -q "${dst}.* via ${r1_ip} dev eth0 src ${h0_ip} .* mtu ${mtu}"
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rc=$?
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log_test $rc 0 "IPv6: host 0 to host ${i}, mtu ${mtu}"
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@ -242,11 +240,11 @@ for i in 1 2 3
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do
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# generate a cached route per-cpu
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for c in ${cpus}; do
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run_cmd taskset -c ${c} ip netns exec h0 ping -c1 -w1 172.16.10${i}.1
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[ $? -ne 0 ] && printf "\nERROR: ping to h${i} failed\n" && ret=1
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run_cmd taskset -c ${c} ip netns exec ${h0} ping -c1 -w1 172.16.10${i}.1
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[ $? -ne 0 ] && printf "\nERROR: ping to ${h[$i]} failed\n" && ret=1
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run_cmd taskset -c ${c} ip netns exec h0 ${ping6} -c1 -w1 2001:db8:10${i}::1
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[ $? -ne 0 ] && printf "\nERROR: ping6 to h${i} failed\n" && ret=1
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run_cmd taskset -c ${c} ip netns exec ${h0} ${ping6} -c1 -w1 2001:db8:10${i}::1
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[ $? -ne 0 ] && printf "\nERROR: ping6 to ${h[$i]} failed\n" && ret=1
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[ $ret -ne 0 ] && break
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done
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@ -282,11 +280,11 @@ if [ $ret -eq 0 ]; then
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validate_v6_exception 3 1400 0
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# targeted deletes to trigger cleanup paths in kernel
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ip -netns h0 ro del 172.16.102.0/24 nhid 4
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ip -netns h0 -6 ro del 2001:db8:102::/64 nhid 6
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ip -netns ${h0} ro del 172.16.102.0/24 nhid 4
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ip -netns ${h0} -6 ro del 2001:db8:102::/64 nhid 6
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ip -netns h0 nexthop del id 4
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ip -netns h0 nexthop del id 6
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ip -netns ${h0} nexthop del id 4
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ip -netns ${h0} nexthop del id 6
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fi
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cleanup
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