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Commit 5ae89fe4 authored by Hangbin Liu's avatar Hangbin Liu Committed by Jakub Kicinski
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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: default avatarDavid Ahern <dsahern@kernel.org>
Signed-off-by: default avatarHangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20231213060856.4030084-8-liuhangbin@gmail.comSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent a33e9da3
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Showing with 48 additions and 50 deletions
tools/testing/selftests/net/fib_nexthop_multiprefix.sh
View file @ 5ae89fe4
......@@ -12,6 +12,7 @@
#
# routing in h0 to hN is done with nexthop objects.
source lib.sh
PAUSE_ON_FAIL=no
VERBOSE=0
......@@ -72,12 +73,6 @@ create_ns()
{
local ns=${1}
ip netns del ${ns} 2>/dev/null
ip netns add ${ns}
ip -netns ${ns} addr add 127.0.0.1/8 dev lo
ip -netns ${ns} link set lo up
ip netns exec ${ns} sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1
case ${ns} in
h*)
......@@ -97,7 +92,13 @@ setup()
#set -e
for ns in h0 r1 h1 h2 h3
setup_ns h0 r1 h1 h2 h3
h[0]=$h0
h[1]=$h1
h[2]=$h2
h[3]=$h3
r[1]=$r1
for ns in ${h[0]} ${r[1]} ${h[1]} ${h[2]} ${h[3]}
do
create_ns ${ns}
done
......@@ -108,35 +109,35 @@ setup()
for i in 0 1 2 3
do
ip -netns h${i} li add eth0 type veth peer name r1h${i}
ip -netns h${i} li set eth0 up
ip -netns h${i} li set r1h${i} netns r1 name eth${i} up
ip -netns h${i} addr add dev eth0 172.16.10${i}.1/24
ip -netns h${i} -6 addr add dev eth0 2001:db8:10${i}::1/64
ip -netns r1 addr add dev eth${i} 172.16.10${i}.254/24
ip -netns r1 -6 addr add dev eth${i} 2001:db8:10${i}::64/64
ip -netns ${h[$i]} li add eth0 type veth peer name r1h${i}
ip -netns ${h[$i]} li set eth0 up
ip -netns ${h[$i]} li set r1h${i} netns ${r[1]} name eth${i} up
ip -netns ${h[$i]} addr add dev eth0 172.16.10${i}.1/24
ip -netns ${h[$i]} -6 addr add dev eth0 2001:db8:10${i}::1/64
ip -netns ${r[1]} addr add dev eth${i} 172.16.10${i}.254/24
ip -netns ${r[1]} -6 addr add dev eth${i} 2001:db8:10${i}::64/64
done
ip -netns h0 nexthop add id 4 via 172.16.100.254 dev eth0
ip -netns h0 nexthop add id 6 via 2001:db8:100::64 dev eth0
ip -netns ${h[0]} nexthop add id 4 via 172.16.100.254 dev eth0
ip -netns ${h[0]} nexthop add id 6 via 2001:db8:100::64 dev eth0
# routing from h0 to h1-h3 and back
# routing from ${h[0]} to h1-h3 and back
for i in 1 2 3
do
ip -netns h0 ro add 172.16.10${i}.0/24 nhid 4
ip -netns h${i} ro add 172.16.100.0/24 via 172.16.10${i}.254
ip -netns ${h[0]} ro add 172.16.10${i}.0/24 nhid 4
ip -netns ${h[$i]} ro add 172.16.100.0/24 via 172.16.10${i}.254
ip -netns h0 -6 ro add 2001:db8:10${i}::/64 nhid 6
ip -netns h${i} -6 ro add 2001:db8:100::/64 via 2001:db8:10${i}::64
ip -netns ${h[0]} -6 ro add 2001:db8:10${i}::/64 nhid 6
ip -netns ${h[$i]} -6 ro add 2001:db8:100::/64 via 2001:db8:10${i}::64
done
if [ "$VERBOSE" = "1" ]; then
echo
echo "host 1 config"
ip -netns h0 li sh
ip -netns h0 ro sh
ip -netns h0 -6 ro sh
ip -netns ${h[0]} li sh
ip -netns ${h[0]} ro sh
ip -netns ${h[0]} -6 ro sh
fi
#set +e
......@@ -144,10 +145,7 @@ setup()
cleanup()
{
for n in h0 r1 h1 h2 h3
do
ip netns del ${n} 2>/dev/null
done
cleanup_all_ns
}
change_mtu()
......@@ -156,7 +154,7 @@ change_mtu()
local mtu=$2
run_cmd ip -netns h${hostid} li set eth0 mtu ${mtu}
run_cmd ip -netns r1 li set eth${hostid} mtu ${mtu}
run_cmd ip -netns ${r1} li set eth${hostid} mtu ${mtu}
}
################################################################################
......@@ -168,23 +166,23 @@ validate_v4_exception()
local mtu=$2
local ping_sz=$3
local dst="172.16.10${i}.1"
local h0=172.16.100.1
local r1=172.16.100.254
local h0_ip=172.16.100.1
local r1_ip=172.16.100.254
local rc
if [ ${ping_sz} != "0" ]; then
run_cmd ip netns exec h0 ping -s ${ping_sz} -c5 -w5 ${dst}
run_cmd ip netns exec ${h0} ping -s ${ping_sz} -c5 -w5 ${dst}
fi
if [ "$VERBOSE" = "1" ]; then
echo "Route get"
ip -netns h0 ro get ${dst}
ip -netns ${h0} ro get ${dst}
echo "Searching for:"
echo " cache .* mtu ${mtu}"
echo
fi
ip -netns h0 ro get ${dst} | \
ip -netns ${h0} ro get ${dst} | \
grep -q "cache .* mtu ${mtu}"
rc=$?
......@@ -197,24 +195,24 @@ validate_v6_exception()
local mtu=$2
local ping_sz=$3
local dst="2001:db8:10${i}::1"
local h0=2001:db8:100::1
local r1=2001:db8:100::64
local h0_ip=2001:db8:100::1
local r1_ip=2001:db8:100::64
local rc
if [ ${ping_sz} != "0" ]; then
run_cmd ip netns exec h0 ${ping6} -s ${ping_sz} -c5 -w5 ${dst}
run_cmd ip netns exec ${h0} ${ping6} -s ${ping_sz} -c5 -w5 ${dst}
fi
if [ "$VERBOSE" = "1" ]; then
echo "Route get"
ip -netns h0 -6 ro get ${dst}
ip -netns ${h0} -6 ro get ${dst}
echo "Searching for:"
echo " ${dst}.* via ${r1} dev eth0 src ${h0} .* mtu ${mtu}"
echo " ${dst}.* via ${r1_ip} dev eth0 src ${h0_ip} .* mtu ${mtu}"
echo
fi
ip -netns h0 -6 ro get ${dst} | \
grep -q "${dst}.* via ${r1} dev eth0 src ${h0} .* mtu ${mtu}"
ip -netns ${h0} -6 ro get ${dst} | \
grep -q "${dst}.* via ${r1_ip} dev eth0 src ${h0_ip} .* mtu ${mtu}"
rc=$?
log_test $rc 0 "IPv6: host 0 to host ${i}, mtu ${mtu}"
......@@ -242,11 +240,11 @@ for i in 1 2 3
do
# generate a cached route per-cpu
for c in ${cpus}; do
run_cmd taskset -c ${c} ip netns exec h0 ping -c1 -w1 172.16.10${i}.1
[ $? -ne 0 ] && printf "\nERROR: ping to h${i} failed\n" && ret=1
run_cmd taskset -c ${c} ip netns exec ${h0} ping -c1 -w1 172.16.10${i}.1
[ $? -ne 0 ] && printf "\nERROR: ping to ${h[$i]} failed\n" && ret=1
run_cmd taskset -c ${c} ip netns exec h0 ${ping6} -c1 -w1 2001:db8:10${i}::1
[ $? -ne 0 ] && printf "\nERROR: ping6 to h${i} failed\n" && ret=1
run_cmd taskset -c ${c} ip netns exec ${h0} ${ping6} -c1 -w1 2001:db8:10${i}::1
[ $? -ne 0 ] && printf "\nERROR: ping6 to ${h[$i]} failed\n" && ret=1
[ $ret -ne 0 ] && break
done
......@@ -282,11 +280,11 @@ if [ $ret -eq 0 ]; then
validate_v6_exception 3 1400 0
# targeted deletes to trigger cleanup paths in kernel
ip -netns h0 ro del 172.16.102.0/24 nhid 4
ip -netns h0 -6 ro del 2001:db8:102::/64 nhid 6
ip -netns ${h0} ro del 172.16.102.0/24 nhid 4
ip -netns ${h0} -6 ro del 2001:db8:102::/64 nhid 6
ip -netns h0 nexthop del id 4
ip -netns h0 nexthop del id 6
ip -netns ${h0} nexthop del id 4
ip -netns ${h0} nexthop del id 6
fi
cleanup
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