[net-next,09/13] selftests/net: convert fib_nexthops.sh to run it in unique namespace

Message ID	20231211100925.3249265-10-liuhangbin@gmail.com (mailing list archive)
State	Accepted
Commit	39333e31672cfc35430d1f5e411188553936b64d
Headers	show Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UpWPDoLn" 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>, Andrea Mayer <andrea.mayer@uniroma2.it>, Amit Cohen <amcohen@nvidia.com>, Nicolas Dichtel <nicolas.dichtel@6wind.com>, Roopa Prabhu <roopa@nvidia.com>, Ido Schimmel <idosch@nvidia.com>, Hangbin Liu <liuhangbin@gmail.com> Subject: [PATCH net-next 09/13] selftests/net: convert fib_nexthops.sh to run it in unique namespace Date: Mon, 11 Dec 2023 18:09:21 +0800 Message-ID: <20231211100925.3249265-10-liuhangbin@gmail.com> In-Reply-To: <20231211100925.3249265-1-liuhangbin@gmail.com> References: <20231211100925.3249265-1-liuhangbin@gmail.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	Convert net selftests to run in unique namespace (Part 3) \| expand [net-next,00/13] Convert net selftests to run in unique namespace (Part 3) [net-next,01/13] selftests/net: add variable NS_LIST for lib.sh [net-next,02/13] selftests/net: convert srv6_end_dt46_l3vpn_test.sh to run it in unique namespace [net-next,03/13] selftests/net: convert srv6_end_dt4_l3vpn_test.sh to run it in unique namespace [net-next,04/13] selftests/net: convert srv6_end_dt6_l3vpn_test.sh to run it in unique namespace [net-next,05/13] selftests/net: convert fcnal-test.sh to run it in unique namespace [net-next,06/13] selftests/net: fix grep checking for fib_nexthop_multiprefix [net-next,07/13] selftests/net: convert fib_nexthop_multiprefix to run it in unique namespace [net-next,08/13] selftests/net: convert fib_nexthop_nongw.sh to run it in unique namespace [net-next,09/13] selftests/net: convert fib_nexthops.sh to run it in unique namespace [net-next,10/13] selftests/net: convert fib-onlink-tests.sh to run it in unique namespace [net-next,11/13] selftests/net: convert fib_rule_tests.sh to run it in unique namespace [net-next,12/13] selftests/net: convert fib_tests.sh to run it in unique namespace [net-next,13/13] selftests/net: convert fdb_flush.sh to run it in unique namespace

diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh index a6f2c0b9555d..d5a281aadbac 100755 --- a/tools/testing/selftests/net/fib_nexthops.sh +++ b/tools/testing/selftests/net/fib_nexthops.sh @@ -14,6 +14,7 @@ # objects. Device reference counts and network namespace cleanup tested # by use of network namespace for peer. +source lib.sh ret=0 # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 @@ -148,13 +149,7 @@ create_ns() { local n=${1} - ip netns del ${n} 2>/dev/null - set -e - ip netns add ${n} - ip netns set ${n} $((nsid++)) - ip -netns ${n} addr add 127.0.0.1/8 dev lo - ip -netns ${n} link set lo up ip netns exec ${n} sysctl -qw net.ipv4.ip_forward=1 ip netns exec ${n} sysctl -qw net.ipv4.fib_multipath_use_neigh=1 @@ -173,12 +168,13 @@ setup() { cleanup - create_ns me - create_ns peer - create_ns remote + setup_ns me peer remote + create_ns $me + create_ns $peer + create_ns $remote - IP="ip -netns me" - BRIDGE="bridge -netns me" + IP="ip -netns $me" + BRIDGE="bridge -netns $me" set -e $IP li add veth1 type veth peer name veth2 $IP li set veth1 up @@ -190,24 +186,24 @@ setup() $IP addr add 172.16.2.1/24 dev veth3 $IP -6 addr add 2001:db8:92::1/64 dev veth3 nodad - $IP li set veth2 netns peer up - ip -netns peer addr add 172.16.1.2/24 dev veth2 - ip -netns peer -6 addr add 2001:db8:91::2/64 dev veth2 nodad + $IP li set veth2 netns $peer up + ip -netns $peer addr add 172.16.1.2/24 dev veth2 + ip -netns $peer -6 addr add 2001:db8:91::2/64 dev veth2 nodad - $IP li set veth4 netns peer up - ip -netns peer addr add 172.16.2.2/24 dev veth4 - ip -netns peer -6 addr add 2001:db8:92::2/64 dev veth4 nodad + $IP li set veth4 netns $peer up + ip -netns $peer addr add 172.16.2.2/24 dev veth4 + ip -netns $peer -6 addr add 2001:db8:92::2/64 dev veth4 nodad - ip -netns remote li add veth5 type veth peer name veth6 - ip -netns remote li set veth5 up - ip -netns remote addr add dev veth5 172.16.101.1/24 - ip -netns remote -6 addr add dev veth5 2001:db8:101::1/64 nodad - ip -netns remote ro add 172.16.0.0/22 via 172.16.101.2 - ip -netns remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2 + ip -netns $remote li add veth5 type veth peer name veth6 + ip -netns $remote li set veth5 up + ip -netns $remote addr add dev veth5 172.16.101.1/24 + ip -netns $remote -6 addr add dev veth5 2001:db8:101::1/64 nodad + ip -netns $remote ro add 172.16.0.0/22 via 172.16.101.2 + ip -netns $remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2 - ip -netns remote li set veth6 netns peer up - ip -netns peer addr add dev veth6 172.16.101.2/24 - ip -netns peer -6 addr add dev veth6 2001:db8:101::2/64 nodad + ip -netns $remote li set veth6 netns $peer up + ip -netns $peer addr add dev veth6 172.16.101.2/24 + ip -netns $peer -6 addr add dev veth6 2001:db8:101::2/64 nodad set +e } @@ -215,7 +211,7 @@ cleanup() { local ns - for ns in me peer remote; do + for ns in $me $peer $remote; do ip netns del ${ns} 2>/dev/null done } @@ -779,7 +775,7 @@ ipv6_grp_refs() run_cmd "$IP route add 2001:db8:101::1/128 nhid 102" # create per-cpu dsts through nh 100 - run_cmd "ip netns exec me mausezahn -6 veth1.10 -B 2001:db8:101::1 -A 2001:db8:91::1 -c 5 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1" + run_cmd "ip netns exec $me mausezahn -6 veth1.10 -B 2001:db8:101::1 -A 2001:db8:91::1 -c 5 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1" # remove nh 100 from the group to delete the route potentially leaving # a stale per-cpu dst which holds a reference to the nexthop's net @@ -805,7 +801,7 @@ ipv6_grp_refs() # if a reference was lost this command will hang because the net device # cannot be removed - timeout -s KILL 5 ip netns exec me ip link del veth1.10 >/dev/null 2>&1 + timeout -s KILL 5 ip netns exec $me ip link del veth1.10 >/dev/null 2>&1 # we can't cleanup if the command is hung trying to delete the netdev if [ $? -eq 137 ]; then @@ -1012,13 +1008,13 @@ ipv6_fcnal_runtime() log_test $? 0 "Route delete" run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Ping with nexthop" run_cmd "$IP nexthop add id 82 via 2001:db8:92::2 dev veth3" run_cmd "$IP nexthop add id 122 group 81/82" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Ping - multipath" # @@ -1026,26 +1022,26 @@ ipv6_fcnal_runtime() # run_cmd "$IP -6 nexthop add id 83 blackhole" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 83" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 2 "Ping - blackhole" run_cmd "$IP nexthop replace id 83 via 2001:db8:91::2 dev veth1" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Ping - blackhole replaced with gateway" run_cmd "$IP -6 nexthop replace id 83 blackhole" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 2 "Ping - gateway replaced by blackhole" run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" if [ $? -eq 0 ]; then run_cmd "$IP nexthop replace id 122 group 83" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 2 "Ping - group with blackhole" run_cmd "$IP nexthop replace id 122 group 81/82" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Ping - group blackhole replaced with gateways" else log_test 2 0 "Ping - multipath failed" @@ -1128,15 +1124,15 @@ ipv6_fcnal_runtime() # rpfilter and default route $IP nexthop flush >/dev/null 2>&1 - run_cmd "ip netns exec me ip6tables -t mangle -I PREROUTING 1 -m rpfilter --invert -j DROP" + run_cmd "ip netns exec $me ip6tables -t mangle -I PREROUTING 1 -m rpfilter --invert -j DROP" run_cmd "$IP nexthop add id 91 via 2001:db8:91::2 dev veth1" run_cmd "$IP nexthop add id 92 via 2001:db8:92::2 dev veth3" run_cmd "$IP nexthop add id 93 group 91/92" run_cmd "$IP -6 ro add default nhid 91" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Nexthop with default route and rpfilter" run_cmd "$IP -6 ro replace default nhid 93" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1" log_test $? 0 "Nexthop with multipath default route and rpfilter" # TO-DO: @@ -1216,11 +1212,11 @@ ipv6_torture() pid1=$! ipv6_grp_replace_loop & pid2=$! - ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 & + ip netns exec $me ping -f 2001:db8:101::1 >/dev/null 2>&1 & pid3=$! - ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 & + ip netns exec $me ping -f 2001:db8:101::2 >/dev/null 2>&1 & pid4=$! - ip netns exec me mausezahn -6 veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 & + ip netns exec $me mausezahn -6 veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 & pid5=$! sleep 300 @@ -1270,11 +1266,11 @@ ipv6_res_torture() pid1=$! ipv6_res_grp_replace_loop & pid2=$! - ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 & + ip netns exec $me ping -f 2001:db8:101::1 >/dev/null 2>&1 & pid3=$! - ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 & + ip netns exec $me ping -f 2001:db8:101::2 >/dev/null 2>&1 & pid4=$! - ip netns exec me mausezahn -6 veth1 \ + ip netns exec $me mausezahn -6 veth1 \ -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 \ -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 & pid5=$! @@ -1544,7 +1540,7 @@ ipv4_withv6_fcnal() local lladdr set -e - lladdr=$(get_linklocal veth2 peer) + lladdr=$(get_linklocal veth2 $peer) run_cmd "$IP nexthop add id 11 via ${lladdr} dev veth1" set +e run_cmd "$IP ro add 172.16.101.1/32 nhid 11" @@ -1606,13 +1602,13 @@ ipv4_fcnal_runtime() # run_cmd "$IP nexthop replace id 21 via 172.16.1.2 dev veth1" run_cmd "$IP ro replace 172.16.101.1/32 nhid 21" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Basic ping" run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3" run_cmd "$IP nexthop add id 122 group 21/22" run_cmd "$IP ro replace 172.16.101.1/32 nhid 122" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - multipath" run_cmd "$IP ro delete 172.16.101.1/32 nhid 122" @@ -1623,7 +1619,7 @@ ipv4_fcnal_runtime() run_cmd "$IP nexthop add id 501 via 172.16.1.2 dev veth1" run_cmd "$IP ro add default nhid 501" run_cmd "$IP ro add default via 172.16.1.3 dev veth1 metric 20" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - multiple default routes, nh first" # flip the order @@ -1632,7 +1628,7 @@ ipv4_fcnal_runtime() run_cmd "$IP ro add default via 172.16.1.2 dev veth1 metric 20" run_cmd "$IP nexthop replace id 501 via 172.16.1.3 dev veth1" run_cmd "$IP ro add default nhid 501 metric 20" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - multiple default routes, nh second" run_cmd "$IP nexthop delete nhid 501" @@ -1643,26 +1639,26 @@ ipv4_fcnal_runtime() # run_cmd "$IP nexthop add id 23 blackhole" run_cmd "$IP ro replace 172.16.101.1/32 nhid 23" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 2 "Ping - blackhole" run_cmd "$IP nexthop replace id 23 via 172.16.1.2 dev veth1" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - blackhole replaced with gateway" run_cmd "$IP nexthop replace id 23 blackhole" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 2 "Ping - gateway replaced by blackhole" run_cmd "$IP ro replace 172.16.101.1/32 nhid 122" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" if [ $? -eq 0 ]; then run_cmd "$IP nexthop replace id 122 group 23" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 2 "Ping - group with blackhole" run_cmd "$IP nexthop replace id 122 group 21/22" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "Ping - group blackhole replaced with gateways" else log_test 2 0 "Ping - multipath failed" @@ -1685,11 +1681,11 @@ ipv4_fcnal_runtime() # IPv4 with IPv6 # set -e - lladdr=$(get_linklocal veth2 peer) + lladdr=$(get_linklocal veth2 $peer) run_cmd "$IP nexthop add id 24 via ${lladdr} dev veth1" set +e run_cmd "$IP ro replace 172.16.101.1/32 nhid 24" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "IPv6 nexthop with IPv4 route" $IP neigh sh | grep -q "${lladdr} dev veth1" @@ -1713,11 +1709,11 @@ ipv4_fcnal_runtime() check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "IPv6 nexthop with IPv4 route" run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "IPv4 route with IPv6 gateway" $IP neigh sh | grep -q "${lladdr} dev veth1" @@ -1734,7 +1730,7 @@ ipv4_fcnal_runtime() run_cmd "$IP ro del 172.16.101.1/32 via inet6 ${lladdr} dev veth1" run_cmd "$IP -4 ro add default via inet6 ${lladdr} dev veth1" - run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1" + run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1" log_test $? 0 "IPv4 default route with IPv6 gateway" # @@ -1785,7 +1781,7 @@ sysctl_nexthop_compat_mode_check() local sysctlname="net.ipv4.nexthop_compat_mode" local lprefix=$1 - IPE="ip netns exec me" + IPE="ip netns exec $me" $IPE sysctl -q $sysctlname 2>&1 >/dev/null if [ $? -ne 0 ]; then @@ -1804,7 +1800,7 @@ sysctl_nexthop_compat_mode_set() local mode=$1 local lprefix=$2 - IPE="ip netns exec me" + IPE="ip netns exec $me" out=$($IPE sysctl -w $sysctlname=$mode) log_test $? 0 "$lprefix set compat mode - $mode" @@ -1988,11 +1984,11 @@ ipv4_torture() pid1=$! ipv4_grp_replace_loop & pid2=$! - ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 & + ip netns exec $me ping -f 172.16.101.1 >/dev/null 2>&1 & pid3=$! - ip netns exec me ping -f 172.16.101.2 >/dev/null 2>&1 & + ip netns exec $me ping -f 172.16.101.2 >/dev/null 2>&1 & pid4=$! - ip netns exec me mausezahn veth1 -B 172.16.101.2 -A 172.16.1.1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 & + ip netns exec $me mausezahn veth1 -B 172.16.101.2 -A 172.16.1.1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 & pid5=$! sleep 300 @@ -2042,11 +2038,11 @@ ipv4_res_torture() pid1=$! ipv4_res_grp_replace_loop & pid2=$! - ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 & + ip netns exec $me ping -f 172.16.101.1 >/dev/null 2>&1 & pid3=$! - ip netns exec me ping -f 172.16.101.2 >/dev/null 2>&1 & + ip netns exec $me ping -f 172.16.101.2 >/dev/null 2>&1 & pid4=$! - ip netns exec me mausezahn veth1 \ + ip netns exec $me mausezahn veth1 \ -B 172.16.101.2 -A 172.16.1.1 -c 0 \ -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 & pid5=$! @@ -2081,10 +2077,10 @@ basic() # create nh with linkdown device - fails $IP li set veth1 up - ip -netns peer li set veth2 down + ip -netns $peer li set veth2 down run_cmd "$IP nexthop add id 1 dev veth1" log_test $? 2 "Nexthop with device that is linkdown" - ip -netns peer li set veth2 up + ip -netns $peer li set veth2 up # device only run_cmd "$IP nexthop add id 1 dev veth1" @@ -2465,7 +2461,7 @@ fi for t in $TESTS do case $t in - none) IP="ip -netns peer"; setup; exit 0;; + none) IP="ip -netns $peer"; setup; exit 0;; *) setup; $t; cleanup;; esac done

[net-next,09/13] selftests/net: convert fib_nexthops.sh to run it in unique namespace

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