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Merge branch 'nexthops-Fix-multipath-notifications-for-IPv6-and-selftests'

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David Ahern says:

====================
nexthops: Fix multipath notifications for IPv6 and selftests

A couple of bug fixes noticed while testing Donald's patch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-09-05 11:59:39 +02:00
commit e9752c830a
2 changed files with 14 additions and 12 deletions
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2
net/ipv6/route.c
View File

@ -5329,7 +5329,7 @@ static int rt6_fill_node_nexthop(struct sk_buff *skb, struct nexthop *nh,
if (nexthop_is_multipath(nh)) {
struct nlattr *mp;
mp = nla_nest_start(skb, RTA_MULTIPATH);
mp = nla_nest_start_noflag(skb, RTA_MULTIPATH);
if (!mp)
goto nla_put_failure;

24
tools/testing/selftests/net/fib_nexthops.sh
View File

@ -212,6 +212,8 @@ check_output()
printf " ${out}\n"
printf " Expected:\n"
printf " ${expected}\n\n"
else
echo " WARNING: Unexpected route entry"
fi
fi
@ -274,7 +276,7 @@ ipv6_fcnal()
run_cmd "$IP nexthop get id 52"
log_test $? 0 "Get nexthop by id"
check_nexthop "id 52" "id 52 via 2001:db8:91::2 dev veth1"
check_nexthop "id 52" "id 52 via 2001:db8:91::2 dev veth1 scope link"
run_cmd "$IP nexthop del id 52"
log_test $? 0 "Delete nexthop by id"
@ -479,12 +481,12 @@ ipv6_fcnal_runtime()
run_cmd "$IP -6 nexthop add id 85 dev veth1"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 85"
log_test $? 0 "IPv6 route with device only nexthop"
check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1"
check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1 metric 1024 pref medium"
run_cmd "$IP nexthop add id 123 group 81/85"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 123"
log_test $? 0 "IPv6 multipath route with nexthop mix - dev only + gw"
check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 nexthop via 2001:db8:91::2 dev veth1 nexthop dev veth1"
check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 123 metric 1024 nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop dev veth1 weight 1 pref medium"
#
# IPv6 route with v4 nexthop - not allowed
@ -538,7 +540,7 @@ ipv4_fcnal()
run_cmd "$IP nexthop get id 12"
log_test $? 0 "Get nexthop by id"
check_nexthop "id 12" "id 12 via 172.16.1.2 src 172.16.1.1 dev veth1 scope link"
check_nexthop "id 12" "id 12 via 172.16.1.2 dev veth1 scope link"
run_cmd "$IP nexthop del id 12"
log_test $? 0 "Delete nexthop by id"
@ -685,7 +687,7 @@ ipv4_withv6_fcnal()
set +e
run_cmd "$IP ro add 172.16.101.1/32 nhid 11"
log_test $? 0 "IPv6 nexthop with IPv4 route"
check_route "172.16.101.1" "172.16.101.1 nhid 11 via ${lladdr} dev veth1"
check_route "172.16.101.1" "172.16.101.1 nhid 11 via inet6 ${lladdr} dev veth1"
set -e
run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
@ -694,11 +696,11 @@ ipv4_withv6_fcnal()
run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
log_test $? 0 "IPv6 nexthop with IPv4 route"
check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
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 ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
log_test $? 0 "IPv4 route with IPv6 gateway"
check_route "172.16.101.1" "172.16.101.1 via ${lladdr} dev veth1"
check_route "172.16.101.1" "172.16.101.1 via inet6 ${lladdr} dev veth1"
run_cmd "$IP ro replace 172.16.101.1/32 via inet6 2001:db8:50::1 dev veth1"
log_test $? 2 "IPv4 route with invalid IPv6 gateway"
@ -785,10 +787,10 @@ ipv4_fcnal_runtime()
log_test $? 0 "IPv4 route with device only nexthop"
check_route "172.16.101.1" "172.16.101.1 nhid 85 dev veth1"
run_cmd "$IP nexthop add id 122 group 21/85"
run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
run_cmd "$IP nexthop add id 123 group 21/85"
run_cmd "$IP ro replace 172.16.101.1/32 nhid 123"
log_test $? 0 "IPv4 multipath route with nexthop mix - dev only + gw"
check_route "172.16.101.1" "172.16.101.1 nhid 85 nexthop via 172.16.1.2 dev veth1 nexthop dev veth1"
check_route "172.16.101.1" "172.16.101.1 nhid 123 nexthop via 172.16.1.2 dev veth1 weight 1 nexthop dev veth1 weight 1"
#
# IPv4 with IPv6
@ -820,7 +822,7 @@ ipv4_fcnal_runtime()
run_cmd "$IP ro replace 172.16.101.1/32 nhid 101"
log_test $? 0 "IPv4 route with mixed v4-v6 multipath route"
check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
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 -w1 172.16.101.1"
log_test $? 0 "IPv6 nexthop with IPv4 route"