[net-next,12/38] selftests/net: convert fib_tests.sh to run it in unique namespace

Message ID	20231124092736.3673263-13-liuhangbin@gmail.com (mailing list archive)
State	Accepted
Commit	f6fc5b949911efb758e13bc4a1a10c9a473b6254
Headers	show Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bXvMVpXW" From: Hangbin Liu <liuhangbin@gmail.com> To: netdev@vger.kernel.org Cc: "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Eric Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>, David Ahern <dsahern@kernel.org>, linux-kselftest@vger.kernel.org, Po-Hsu Lin <po-hsu.lin@canonical.com>, Guillaume Nault <gnault@redhat.com>, =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= <bjorn@rivosinc.com>, Ryan Roberts <ryan.roberts@arm.com>, Andrew Morton <akpm@linux-foundation.org>, Mark Brown <broonie@kernel.org>, Luis Chamberlain <mcgrof@kernel.org>, Hangbin Liu <liuhangbin@gmail.com> Subject: [PATCH net-next 12/38] selftests/net: convert fib_tests.sh to run it in unique namespace Date: Fri, 24 Nov 2023 17:27:10 +0800 Message-ID: <20231124092736.3673263-13-liuhangbin@gmail.com> In-Reply-To: <20231124092736.3673263-1-liuhangbin@gmail.com> References: <20231124092736.3673263-1-liuhangbin@gmail.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	Conver all net selftests to run in unique namespace \| expand [net-next,00/38] Conver all net selftests to run in unique namespace [net-next,01/38] selftests/net: add lib.sh [net-next,02/38] selftests/net: arp_ndisc_evict_nocarrier.sh convert to run test in unique namespace [net-next,03/38] selftest: arp_ndisc_untracked_subnets.sh convert to run test in unique namespace [net-next,04/38] selftests/net: convert cmsg tests to make them run in unique namespace [net-next,05/38] selftests/net: convert drop_monitor_tests.sh to run it in unique namespace [net-next,06/38] selftests/net: convert fcnal-test.sh to run it in unique namespace [net-next,07/38] selftests/net: convert fib_nexthop_multiprefix to run it in unique namespace [net-next,08/38] selftests/net: convert fib_nexthop_nongw.sh to run it in unique namespace [net-next,09/38] selftests/net: convert fib_nexthops.sh to run it in unique namespace [net-next,10/38] selftests/net: convert fib-onlink-tests.sh to run it in unique namespace [net-next,11/38] selftests/net: convert fib_rule_tests.sh to run it in unique namespace [net-next,12/38] selftests/net: convert fib_tests.sh to run it in unique namespace [net-next,13/38] selftests/net: convert gre_gso.sh to run it in unique namespace [net-next,14/38] selftests/net: convert icmp_redirect.sh to run it in unique namespace [net-next,15/38] sleftests/net: convert icmp.sh to run it in unique namespace [net-next,16/38] selftests/net: convert ioam6.sh to run it in unique namespace [net-next,17/38] selftests/net: convert l2tp.sh to run it in unique namespace [net-next,18/38] selftests/net: convert ndisc_unsolicited_na_test.sh to run it in unique namespace [net-next,19/38] selftests/net: convert netns-name.sh to run it in unique namespace [net-next,20/38] selftests/net: convert fdb_flush.sh to run it in unique namespace [net-next,21/38] selftests/net: convert rtnetlink.sh to run it in unique namespace [net-next,22/38] selftests/net: convert sctp_vrf.sh to run it in unique namespace [net-next,23/38] selftests/net: use unique netns name for setup_loopback.sh setup_veth.sh [net-next,24/38] selftests/net: convert stress_reuseport_listen.sh to run it in unique namespace [net-next,25/38] selftests/net: convert test_bridge_backup_port.sh to run it in unique namespace [net-next,26/38] selftests/net: convert test_bridge_neigh_suppress.sh to run it in unique namespace [net-next,27/38] selftests/net: convert test_vxlan_mdb.sh to run it in unique namespace [net-next,28/38] selftests/net: convert test_vxlan_nolocalbypass.sh to run it in unique namespace [net-next,29/38] selftests/net: convert test_vxlan_under_vrf.sh to run it in unique namespace [net-next,30/38] selftests/net: convert test_vxlan_vnifiltering.sh to run it in unique namespace [net-next,31/38] selftests/net: convert toeplitz.sh to run it in unique namespace [net-next,32/38] selftests/net: convert unicast_extensions.sh to run it in unique namespace [net-next,33/38] selftests/net: convert vrf_route_leaking.sh to run it in unique namespace [net-next,34/38] selftests/net: convert vrf_strict_mode_test.sh to run it in unique namespace [net-next,35/38] selftests/net: convert vrf-xfrm-tests.sh to run it in unique namespace [net-next,36/38] selftests/net: convert traceroute.sh to run it in unique namespace [net-next,37/38] selftests/net: convert xfrm_policy.sh to run it in unique namespace [net-next,38/38] kselftest/runner.sh: add netns support

diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index 66d0db7a2614..b3ecccbbfcd2 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -3,10 +3,8 @@ # This test is for checking IPv4 and IPv6 FIB behavior in response to # different events. - +source lib.sh ret=0 -# Kselftest framework requirement - SKIP code is 4. -ksft_skip=4 # all tests in this script. Can be overridden with -t option TESTS="unregister down carrier nexthop suppress ipv6_notify ipv4_notify \ @@ -18,8 +16,6 @@ TESTS="unregister down carrier nexthop suppress ipv6_notify ipv4_notify \ VERBOSE=0 PAUSE_ON_FAIL=no PAUSE=no -IP="$(which ip) -netns ns1" -NS_EXEC="$(which ip) netns exec ns1" which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping) @@ -55,11 +51,11 @@ log_test() setup() { set -e - ip netns add ns1 - ip netns set ns1 auto - $IP link set dev lo up - ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1 - ip netns exec ns1 sysctl -qw net.ipv6.conf.all.forwarding=1 + setup_ns ns1 + IP="$(which ip) -netns $ns1" + NS_EXEC="$(which ip) netns exec $ns1" + ip netns exec $ns1 sysctl -qw net.ipv4.ip_forward=1 + ip netns exec $ns1 sysctl -qw net.ipv6.conf.all.forwarding=1 $IP link add dummy0 type dummy $IP link set dev dummy0 up @@ -72,8 +68,7 @@ setup() cleanup() { $IP link del dev dummy0 &> /dev/null - ip netns del ns1 &> /dev/null - ip netns del ns2 &> /dev/null + cleanup_ns $ns1 $ns2 } get_linklocal() @@ -448,28 +443,25 @@ fib_rp_filter_test() setup set -e - ip netns add ns2 - ip netns set ns2 auto - - ip -netns ns2 link set dev lo up + setup_ns ns2 $IP link add name veth1 type veth peer name veth2 - $IP link set dev veth2 netns ns2 + $IP link set dev veth2 netns $ns2 $IP address add 192.0.2.1/24 dev veth1 - ip -netns ns2 address add 192.0.2.1/24 dev veth2 + ip -netns $ns2 address add 192.0.2.1/24 dev veth2 $IP link set dev veth1 up - ip -netns ns2 link set dev veth2 up + ip -netns $ns2 link set dev veth2 up $IP link set dev lo address 52:54:00:6a:c7:5e $IP link set dev veth1 address 52:54:00:6a:c7:5e - ip -netns ns2 link set dev lo address 52:54:00:6a:c7:5e - ip -netns ns2 link set dev veth2 address 52:54:00:6a:c7:5e + ip -netns $ns2 link set dev lo address 52:54:00:6a:c7:5e + ip -netns $ns2 link set dev veth2 address 52:54:00:6a:c7:5e # 1. (ns2) redirect lo's egress to veth2's egress - ip netns exec ns2 tc qdisc add dev lo parent root handle 1: fq_codel - ip netns exec ns2 tc filter add dev lo parent 1: protocol arp basic \ + ip netns exec $ns2 tc qdisc add dev lo parent root handle 1: fq_codel + ip netns exec $ns2 tc filter add dev lo parent 1: protocol arp basic \ action mirred egress redirect dev veth2 - ip netns exec ns2 tc filter add dev lo parent 1: protocol ip basic \ + ip netns exec $ns2 tc filter add dev lo parent 1: protocol ip basic \ action mirred egress redirect dev veth2 # 2. (ns1) redirect veth1's ingress to lo's ingress @@ -487,24 +479,24 @@ fib_rp_filter_test() action mirred egress redirect dev veth1 # 4. (ns2) redirect veth2's ingress to lo's ingress - ip netns exec ns2 tc qdisc add dev veth2 ingress - ip netns exec ns2 tc filter add dev veth2 ingress protocol arp basic \ + ip netns exec $ns2 tc qdisc add dev veth2 ingress + ip netns exec $ns2 tc filter add dev veth2 ingress protocol arp basic \ action mirred ingress redirect dev lo - ip netns exec ns2 tc filter add dev veth2 ingress protocol ip basic \ + ip netns exec $ns2 tc filter add dev veth2 ingress protocol ip basic \ action mirred ingress redirect dev lo $NS_EXEC sysctl -qw net.ipv4.conf.all.rp_filter=1 $NS_EXEC sysctl -qw net.ipv4.conf.all.accept_local=1 $NS_EXEC sysctl -qw net.ipv4.conf.all.route_localnet=1 - ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=1 - ip netns exec ns2 sysctl -qw net.ipv4.conf.all.accept_local=1 - ip netns exec ns2 sysctl -qw net.ipv4.conf.all.route_localnet=1 + ip netns exec $ns2 sysctl -qw net.ipv4.conf.all.rp_filter=1 + ip netns exec $ns2 sysctl -qw net.ipv4.conf.all.accept_local=1 + ip netns exec $ns2 sysctl -qw net.ipv4.conf.all.route_localnet=1 set +e - run_cmd "ip netns exec ns2 ping -w1 -c1 192.0.2.1" + run_cmd "ip netns exec $ns2 ping -w1 -c1 192.0.2.1" log_test $? 0 "rp_filter passes local packets" - run_cmd "ip netns exec ns2 ping -w1 -c1 127.0.0.1" + run_cmd "ip netns exec $ns2 ping -w1 -c1 127.0.0.1" log_test $? 0 "rp_filter passes loopback packets" cleanup @@ -959,34 +951,32 @@ route_setup() [ "${VERBOSE}" = "1" ] && set -x set -e - ip netns add ns2 - ip netns set ns2 auto - ip -netns ns2 link set dev lo up - ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1 - ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1 + setup_ns ns2 + ip netns exec $ns2 sysctl -qw net.ipv4.ip_forward=1 + ip netns exec $ns2 sysctl -qw net.ipv6.conf.all.forwarding=1 $IP li add veth1 type veth peer name veth2 $IP li add veth3 type veth peer name veth4 $IP li set veth1 up $IP li set veth3 up - $IP li set veth2 netns ns2 up - $IP li set veth4 netns ns2 up - ip -netns ns2 li add dummy1 type dummy - ip -netns ns2 li set dummy1 up + $IP li set veth2 netns $ns2 up + $IP li set veth4 netns $ns2 up + ip -netns $ns2 li add dummy1 type dummy + ip -netns $ns2 li set dummy1 up $IP -6 addr add 2001:db8:101::1/64 dev veth1 nodad $IP -6 addr add 2001:db8:103::1/64 dev veth3 nodad $IP addr add 172.16.101.1/24 dev veth1 $IP addr add 172.16.103.1/24 dev veth3 - ip -netns ns2 -6 addr add 2001:db8:101::2/64 dev veth2 nodad - ip -netns ns2 -6 addr add 2001:db8:103::2/64 dev veth4 nodad - ip -netns ns2 -6 addr add 2001:db8:104::1/64 dev dummy1 nodad + ip -netns $ns2 -6 addr add 2001:db8:101::2/64 dev veth2 nodad + ip -netns $ns2 -6 addr add 2001:db8:103::2/64 dev veth4 nodad + ip -netns $ns2 -6 addr add 2001:db8:104::1/64 dev dummy1 nodad - ip -netns ns2 addr add 172.16.101.2/24 dev veth2 - ip -netns ns2 addr add 172.16.103.2/24 dev veth4 - ip -netns ns2 addr add 172.16.104.1/24 dev dummy1 + ip -netns $ns2 addr add 172.16.101.2/24 dev veth2 + ip -netns $ns2 addr add 172.16.103.2/24 dev veth4 + ip -netns $ns2 addr add 172.16.104.1/24 dev dummy1 set +e } @@ -1238,7 +1228,7 @@ ipv6_addr_metric_test() log_test $rc 0 "Modify metric of address" # verify prefix route removed on down - run_cmd "ip netns exec ns1 sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1" + run_cmd "ip netns exec $ns1 sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1" run_cmd "$IP li set dev dummy2 down" rc=$? if [ $rc -eq 0 ]; then @@ -1344,7 +1334,7 @@ ipv6_route_metrics_test() log_test $rc 0 "Multipath route with mtu metric" $IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300 - run_cmd "ip netns exec ns1 ${ping6} -w1 -c1 -s 1500 2001:db8:104::1" + run_cmd "ip netns exec $ns1 ${ping6} -w1 -c1 -s 1500 2001:db8:104::1" log_test $? 0 "Using route with mtu metric" run_cmd "$IP -6 ro add 2001:db8:114::/64 via 2001:db8:101::2 congctl lock foo" @@ -1599,19 +1589,19 @@ ipv4_rt_replace() ipv4_local_rt_cache() { run_cmd "ip addr add 10.0.0.1/32 dev lo" - run_cmd "ip netns add test-ns" + run_cmd "setup_ns test-ns" run_cmd "ip link add veth-outside type veth peer name veth-inside" run_cmd "ip link add vrf-100 type vrf table 1100" run_cmd "ip link set veth-outside master vrf-100" - run_cmd "ip link set veth-inside netns test-ns" + run_cmd "ip link set veth-inside netns $test-ns" run_cmd "ip link set veth-outside up" run_cmd "ip link set vrf-100 up" run_cmd "ip route add 10.1.1.1/32 dev veth-outside table 1100" - run_cmd "ip netns exec test-ns ip link set veth-inside up" - run_cmd "ip netns exec test-ns ip addr add 10.1.1.1/32 dev veth-inside" - run_cmd "ip netns exec test-ns ip route add 10.0.0.1/32 dev veth-inside" - run_cmd "ip netns exec test-ns ip route add default via 10.0.0.1" - run_cmd "ip netns exec test-ns ping 10.0.0.1 -c 1 -i 1" + run_cmd "ip netns exec $test-ns ip link set veth-inside up" + run_cmd "ip netns exec $test-ns ip addr add 10.1.1.1/32 dev veth-inside" + run_cmd "ip netns exec $test-ns ip route add 10.0.0.1/32 dev veth-inside" + run_cmd "ip netns exec $test-ns ip route add default via 10.0.0.1" + run_cmd "ip netns exec $test-ns ping 10.0.0.1 -c 1 -i 1" run_cmd "ip link delete vrf-100" # if we do not hang test is a success @@ -1841,7 +1831,7 @@ ipv4_route_metrics_test() log_test $rc 0 "Multipath route with mtu metric" $IP ro add 172.16.104.0/24 via 172.16.101.2 mtu 1300 - run_cmd "ip netns exec ns1 ping -w1 -c1 -s 1500 172.16.104.1" + run_cmd "ip netns exec $ns1 ping -w1 -c1 -s 1500 172.16.104.1" log_test $? 0 "Using route with mtu metric" run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 congctl lock foo" @@ -2105,7 +2095,7 @@ ipv4_route_v6_gw_test() check_route "172.16.104.0/24 via inet6 2001:db8:101::2 dev veth1" fi - run_cmd "ip netns exec ns1 ping -w1 -c1 172.16.104.1" + run_cmd "ip netns exec $ns1 ping -w1 -c1 172.16.104.1" log_test $rc 0 "Single path route with IPv6 gateway - ping" run_cmd "$IP ro del 172.16.104.0/24 via inet6 2001:db8:101::2" @@ -2196,7 +2186,7 @@ ipv4_mangle_test() sleep 2 local tmp_file=$(mktemp) - ip netns exec ns2 socat UDP4-LISTEN:54321,fork $tmp_file & + ip netns exec $ns2 socat UDP4-LISTEN:54321,fork $tmp_file & # Add a FIB rule and a route that will direct our connection to the # listening server. @@ -2254,7 +2244,7 @@ ipv6_mangle_test() sleep 2 local tmp_file=$(mktemp) - ip netns exec ns2 socat UDP6-LISTEN:54321,fork $tmp_file & + ip netns exec $ns2 socat UDP6-LISTEN:54321,fork $tmp_file & # Add a FIB rule and a route that will direct our connection to the # listening server. @@ -2423,37 +2413,37 @@ ipv4_mpath_list_test() route_setup set -e - run_cmd "ip netns exec ns1 ethtool -K veth1 tcp-segmentation-offload off" - - run_cmd "ip netns exec ns2 bash -c \"echo 20000 > /sys/class/net/veth2/gro_flush_timeout\"" - run_cmd "ip netns exec ns2 bash -c \"echo 1 > /sys/class/net/veth2/napi_defer_hard_irqs\"" - run_cmd "ip netns exec ns2 ethtool -K veth2 generic-receive-offload on" - run_cmd "ip -n ns2 link add name nh1 up type dummy" - run_cmd "ip -n ns2 link add name nh2 up type dummy" - run_cmd "ip -n ns2 address add 172.16.201.1/24 dev nh1" - run_cmd "ip -n ns2 address add 172.16.202.1/24 dev nh2" - run_cmd "ip -n ns2 neigh add 172.16.201.2 lladdr 00:11:22:33:44:55 nud perm dev nh1" - run_cmd "ip -n ns2 neigh add 172.16.202.2 lladdr 00:aa:bb:cc:dd:ee nud perm dev nh2" - run_cmd "ip -n ns2 route add 203.0.113.0/24 + run_cmd "ip netns exec $ns1 ethtool -K veth1 tcp-segmentation-offload off" + + run_cmd "ip netns exec $ns2 bash -c \"echo 20000 > /sys/class/net/veth2/gro_flush_timeout\"" + run_cmd "ip netns exec $ns2 bash -c \"echo 1 > /sys/class/net/veth2/napi_defer_hard_irqs\"" + run_cmd "ip netns exec $ns2 ethtool -K veth2 generic-receive-offload on" + run_cmd "ip -n $ns2 link add name nh1 up type dummy" + run_cmd "ip -n $ns2 link add name nh2 up type dummy" + run_cmd "ip -n $ns2 address add 172.16.201.1/24 dev nh1" + run_cmd "ip -n $ns2 address add 172.16.202.1/24 dev nh2" + run_cmd "ip -n $ns2 neigh add 172.16.201.2 lladdr 00:11:22:33:44:55 nud perm dev nh1" + run_cmd "ip -n $ns2 neigh add 172.16.202.2 lladdr 00:aa:bb:cc:dd:ee nud perm dev nh2" + run_cmd "ip -n $ns2 route add 203.0.113.0/24 nexthop via 172.16.201.2 nexthop via 172.16.202.2" - run_cmd "ip netns exec ns2 sysctl -qw net.ipv4.fib_multipath_hash_policy=1" - run_cmd "ip netns exec ns2 sysctl -qw net.ipv4.conf.veth2.rp_filter=0" - run_cmd "ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0" - run_cmd "ip netns exec ns2 sysctl -qw net.ipv4.conf.default.rp_filter=0" + run_cmd "ip netns exec $ns2 sysctl -qw net.ipv4.fib_multipath_hash_policy=1" + run_cmd "ip netns exec $ns2 sysctl -qw net.ipv4.conf.veth2.rp_filter=0" + run_cmd "ip netns exec $ns2 sysctl -qw net.ipv4.conf.all.rp_filter=0" + run_cmd "ip netns exec $ns2 sysctl -qw net.ipv4.conf.default.rp_filter=0" set +e - local dmac=$(ip -n ns2 -j link show dev veth2 | jq -r '.[]["address"]') + local dmac=$(ip -n $ns2 -j link show dev veth2 | jq -r '.[]["address"]') local tmp_file=$(mktemp) - local cmd="ip netns exec ns1 mausezahn veth1 -a own -b $dmac + local cmd="ip netns exec $ns1 mausezahn veth1 -a own -b $dmac -A 172.16.101.1 -B 203.0.113.1 -t udp 'sp=12345,dp=0-65535' -q" # Packets forwarded in a list using a multipath route must not reuse a # cached result so that a flow always hits the same nexthop. In other # words, the FIB lookup tracepoint needs to be triggered for every # packet. - local t0_rx_pkts=$(link_stats_get ns2 veth2 rx packets) + local t0_rx_pkts=$(link_stats_get $ns2 veth2 rx packets) run_cmd "perf stat -a -e fib:fib_table_lookup --filter 'err == 0' -j -o $tmp_file -- $cmd" - local t1_rx_pkts=$(link_stats_get ns2 veth2 rx packets) + local t1_rx_pkts=$(link_stats_get $ns2 veth2 rx packets) local diff=$(echo $t1_rx_pkts - $t0_rx_pkts | bc -l) list_rcv_eval $tmp_file $diff @@ -2471,34 +2461,34 @@ ipv6_mpath_list_test() route_setup set -e - run_cmd "ip netns exec ns1 ethtool -K veth1 tcp-segmentation-offload off" - - run_cmd "ip netns exec ns2 bash -c \"echo 20000 > /sys/class/net/veth2/gro_flush_timeout\"" - run_cmd "ip netns exec ns2 bash -c \"echo 1 > /sys/class/net/veth2/napi_defer_hard_irqs\"" - run_cmd "ip netns exec ns2 ethtool -K veth2 generic-receive-offload on" - run_cmd "ip -n ns2 link add name nh1 up type dummy" - run_cmd "ip -n ns2 link add name nh2 up type dummy" - run_cmd "ip -n ns2 -6 address add 2001:db8:201::1/64 dev nh1" - run_cmd "ip -n ns2 -6 address add 2001:db8:202::1/64 dev nh2" - run_cmd "ip -n ns2 -6 neigh add 2001:db8:201::2 lladdr 00:11:22:33:44:55 nud perm dev nh1" - run_cmd "ip -n ns2 -6 neigh add 2001:db8:202::2 lladdr 00:aa:bb:cc:dd:ee nud perm dev nh2" - run_cmd "ip -n ns2 -6 route add 2001:db8:301::/64 + run_cmd "ip netns exec $ns1 ethtool -K veth1 tcp-segmentation-offload off" + + run_cmd "ip netns exec $ns2 bash -c \"echo 20000 > /sys/class/net/veth2/gro_flush_timeout\"" + run_cmd "ip netns exec $ns2 bash -c \"echo 1 > /sys/class/net/veth2/napi_defer_hard_irqs\"" + run_cmd "ip netns exec $ns2 ethtool -K veth2 generic-receive-offload on" + run_cmd "ip -n $ns2 link add name nh1 up type dummy" + run_cmd "ip -n $ns2 link add name nh2 up type dummy" + run_cmd "ip -n $ns2 -6 address add 2001:db8:201::1/64 dev nh1" + run_cmd "ip -n $ns2 -6 address add 2001:db8:202::1/64 dev nh2" + run_cmd "ip -n $ns2 -6 neigh add 2001:db8:201::2 lladdr 00:11:22:33:44:55 nud perm dev nh1" + run_cmd "ip -n $ns2 -6 neigh add 2001:db8:202::2 lladdr 00:aa:bb:cc:dd:ee nud perm dev nh2" + run_cmd "ip -n $ns2 -6 route add 2001:db8:301::/64 nexthop via 2001:db8:201::2 nexthop via 2001:db8:202::2" - run_cmd "ip netns exec ns2 sysctl -qw net.ipv6.fib_multipath_hash_policy=1" + run_cmd "ip netns exec $ns2 sysctl -qw net.ipv6.fib_multipath_hash_policy=1" set +e - local dmac=$(ip -n ns2 -j link show dev veth2 | jq -r '.[]["address"]') + local dmac=$(ip -n $ns2 -j link show dev veth2 | jq -r '.[]["address"]') local tmp_file=$(mktemp) - local cmd="ip netns exec ns1 mausezahn -6 veth1 -a own -b $dmac + local cmd="ip netns exec $ns1 mausezahn -6 veth1 -a own -b $dmac -A 2001:db8:101::1 -B 2001:db8:301::1 -t udp 'sp=12345,dp=0-65535' -q" # Packets forwarded in a list using a multipath route must not reuse a # cached result so that a flow always hits the same nexthop. In other # words, the FIB lookup tracepoint needs to be triggered for every # packet. - local t0_rx_pkts=$(link_stats_get ns2 veth2 rx packets) + local t0_rx_pkts=$(link_stats_get $ns2 veth2 rx packets) run_cmd "perf stat -a -e fib6:fib6_table_lookup --filter 'err == 0' -j -o $tmp_file -- $cmd" - local t1_rx_pkts=$(link_stats_get ns2 veth2 rx packets) + local t1_rx_pkts=$(link_stats_get $ns2 veth2 rx packets) local diff=$(echo $t1_rx_pkts - $t0_rx_pkts | bc -l) list_rcv_eval $tmp_file $diff

[net-next,12/38] selftests/net: convert fib_tests.sh to run it in unique namespace

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