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selftests: net: add new testcases for nexthop API compat mode sysctl
New tests to check route dump and notifications with net.ipv4.nexthop_compat_mode on and off. Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roopa Prabhu
David S. Miller
parent
4f80116d3d
commit
4dddb5be13
@ -19,8 +19,8 @@ ret=0
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ksft_skip=4
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# all tests in this script. Can be overridden with -t option
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IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime"
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IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime"
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IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_compat_mode"
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IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_compat_mode"
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ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
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TESTS="${ALL_TESTS}"
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@ -253,6 +253,33 @@ check_route6()
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check_output "${out}" "${expected}"
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}
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start_ip_monitor()
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{
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local mtype=$1
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# start the monitor in the background
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tmpfile=`mktemp /var/run/nexthoptestXXX`
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mpid=`($IP monitor $mtype > $tmpfile & echo $!) 2>/dev/null`
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sleep 0.2
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echo "$mpid $tmpfile"
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}
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stop_ip_monitor()
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{
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local mpid=$1
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local tmpfile=$2
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local el=$3
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# check the monitor results
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kill $mpid
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lines=`wc -l $tmpfile | cut "-d " -f1`
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test $lines -eq $el
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rc=$?
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rm -rf $tmpfile
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return $rc
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}
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################################################################################
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# basic operations (add, delete, replace) on nexthops and nexthop groups
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#
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@ -883,6 +910,173 @@ ipv4_fcnal_runtime()
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log_test $? 0 "IPv4 route with MPLS encap, v6 gw - check"
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}
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sysctl_nexthop_compat_mode_check()
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{
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local sysctlname="net.ipv4.nexthop_compat_mode"
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local lprefix=$1
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IPE="ip netns exec me"
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$IPE sysctl -q $sysctlname 2>&1 >/dev/null
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if [ $? -ne 0 ]; then
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echo "SKIP: kernel lacks nexthop compat mode sysctl control"
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return $ksft_skip
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fi
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out=$($IPE sysctl $sysctlname 2>/dev/null)
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log_test $? 0 "$lprefix default nexthop compat mode check"
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check_output "${out}" "$sysctlname = 1"
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}
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sysctl_nexthop_compat_mode_set()
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{
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local sysctlname="net.ipv4.nexthop_compat_mode"
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local mode=$1
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local lprefix=$2
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IPE="ip netns exec me"
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out=$($IPE sysctl -w $sysctlname=$mode)
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log_test $? 0 "$lprefix set compat mode - $mode"
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check_output "${out}" "net.ipv4.nexthop_compat_mode = $mode"
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}
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ipv6_compat_mode()
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{
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local rc
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echo
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echo "IPv6 nexthop api compat mode test"
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echo "--------------------------------"
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sysctl_nexthop_compat_mode_check "IPv6"
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if [ $? -eq $ksft_skip ]; then
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return $ksft_skip
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fi
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run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
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run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
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run_cmd "$IP nexthop add id 122 group 62/63"
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122"
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# route add notification should contain expanded nexthops
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stop_ip_monitor $ipmout 3
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log_test $? 0 "IPv6 compat mode on - route add notification"
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# route dump should contain expanded nexthops
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check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024 pref medium nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop via 2001:db8:91::3 dev veth1 weight 1"
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log_test $? 0 "IPv6 compat mode on - route dump"
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# change in nexthop group should generate route notification
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run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP nexthop replace id 122 group 62/64"
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stop_ip_monitor $ipmout 3
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log_test $? 0 "IPv6 compat mode on - nexthop change"
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# set compat mode off
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sysctl_nexthop_compat_mode_set 0 "IPv6"
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run_cmd "$IP -6 ro del 2001:db8:101::1/128 nhid 122"
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run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
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run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
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run_cmd "$IP nexthop add id 122 group 62/63"
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122"
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# route add notification should not contain expanded nexthops
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stop_ip_monitor $ipmout 1
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log_test $? 0 "IPv6 compat mode off - route add notification"
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# route dump should not contain expanded nexthops
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check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024 pref medium"
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log_test $? 0 "IPv6 compat mode off - route dump"
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# change in nexthop group should not generate route notification
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run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP nexthop replace id 122 group 62/64"
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stop_ip_monitor $ipmout 0
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log_test $? 0 "IPv6 compat mode off - nexthop change"
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# nexthop delete should not generate route notification
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP nexthop del id 122"
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stop_ip_monitor $ipmout 0
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log_test $? 0 "IPv6 compat mode off - nexthop delete"
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# set compat mode back on
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sysctl_nexthop_compat_mode_set 1 "IPv6"
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}
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ipv4_compat_mode()
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{
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local rc
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echo
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echo "IPv4 nexthop api compat mode"
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echo "----------------------------"
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sysctl_nexthop_compat_mode_check "IPv4"
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if [ $? -eq $ksft_skip ]; then
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return $ksft_skip
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fi
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run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
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run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
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run_cmd "$IP nexthop add id 122 group 21/22"
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP ro add 172.16.101.1/32 nhid 122"
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stop_ip_monitor $ipmout 3
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# route add notification should contain expanded nexthops
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log_test $? 0 "IPv4 compat mode on - route add notification"
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# route dump should contain expanded nexthops
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check_route "172.16.101.1" "172.16.101.1 nhid 122 nexthop via 172.16.1.2 dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
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log_test $? 0 "IPv4 compat mode on - route dump"
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# change in nexthop group should generate route notification
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run_cmd "$IP nexthop add id 23 via 172.16.1.3 dev veth1"
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP nexthop replace id 122 group 21/23"
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stop_ip_monitor $ipmout 3
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log_test $? 0 "IPv4 compat mode on - nexthop change"
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sysctl_nexthop_compat_mode_set 0 "IPv4"
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# cleanup
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run_cmd "$IP ro del 172.16.101.1/32 nhid 122"
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP ro add 172.16.101.1/32 nhid 122"
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stop_ip_monitor $ipmout 1
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# route add notification should not contain expanded nexthops
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log_test $? 0 "IPv4 compat mode off - route add notification"
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# route dump should not contain expanded nexthops
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check_route "172.16.101.1" "172.16.101.1 nhid 122"
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log_test $? 0 "IPv4 compat mode off - route dump"
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# change in nexthop group should not generate route notification
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP nexthop replace id 122 group 21/22"
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stop_ip_monitor $ipmout 0
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log_test $? 0 "IPv4 compat mode off - nexthop change"
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# nexthop delete should not generate route notification
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ipmout=$(start_ip_monitor route)
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run_cmd "$IP nexthop del id 122"
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stop_ip_monitor $ipmout 0
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log_test $? 0 "IPv4 compat mode off - nexthop delete"
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sysctl_nexthop_compat_mode_set 1 "IPv4"
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}
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basic()
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{
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echo
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