* [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests
@ 2019-09-03 22:22 David Ahern
2019-09-03 22:22 ` [PATCH net 1/2] ipv6: Fix RTA_MULTIPATH with nexthop objects David Ahern
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: David Ahern @ 2019-09-03 22:22 UTC (permalink / raw)
To: davem; +Cc: netdev, sharpd, David Ahern
From: David Ahern <dsahern@gmail.com>
A couple of bug fixes noticed while testing Donald's patch.
David Ahern (2):
ipv6: Fix RTA_MULTIPATH with nexthop objects
selftest: A few cleanups for fib_nexthops.sh
net/ipv6/route.c | 2 +-
tools/testing/selftests/net/fib_nexthops.sh | 24 +++++++++++++-----------
2 files changed, 14 insertions(+), 12 deletions(-)
--
2.11.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH net 1/2] ipv6: Fix RTA_MULTIPATH with nexthop objects
2019-09-03 22:22 [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests David Ahern
@ 2019-09-03 22:22 ` David Ahern
2019-09-03 22:22 ` [PATCH net 2/2] selftest: A few cleanups for fib_nexthops.sh David Ahern
2019-09-05 10:00 ` [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests David Miller
2 siblings, 0 replies; 4+ messages in thread
From: David Ahern @ 2019-09-03 22:22 UTC (permalink / raw)
To: davem; +Cc: netdev, sharpd, David Ahern
From: David Ahern <dsahern@gmail.com>
A change to the core nla helpers was missed during the push of
the nexthop changes. rt6_fill_node_nexthop should be calling
nla_nest_start_noflag not nla_nest_start. Currently, iproute2
does not print multipath data because of parsing issues with
the attribute.
Fixes: f88d8ea67fbd ("ipv6: Plumb support for nexthop object in a fib6_info")
Signed-off-by: David Ahern <dsahern@gmail.com>
---
net/ipv6/route.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 06f2e2d05785..b9b5be1aafff 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -5323,7 +5323,7 @@ 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;
--
2.11.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH net 2/2] selftest: A few cleanups for fib_nexthops.sh
2019-09-03 22:22 [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests David Ahern
2019-09-03 22:22 ` [PATCH net 1/2] ipv6: Fix RTA_MULTIPATH with nexthop objects David Ahern
@ 2019-09-03 22:22 ` David Ahern
2019-09-05 10:00 ` [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests David Miller
2 siblings, 0 replies; 4+ messages in thread
From: David Ahern @ 2019-09-03 22:22 UTC (permalink / raw)
To: davem; +Cc: netdev, sharpd, David Ahern
From: David Ahern <dsahern@gmail.com>
Cleanups of the tests in fib_nexthops.sh
1. Several tests noted unexpected route output, but the
discrepancy was not showing in the summary output and
overlooked in the verbose output. Add a WARNING message
to the summary output to make it clear a test is not showing
expected output.
2. Several check_* calls are missing extra data like scope and metric
causing mismatches when the nexthops or routes are correct - some of
them are a side effect of the evolving iproute2 command. Update the
data to the expected output.
3. Several check_routes are checking for the wrong nexthop data,
most likely a copy-paste-update error.
4. A couple of tests were re-using a nexthop id that already existed.
Fix those to use a new id.
Fixes: 6345266a9989 ("selftests: Add test cases for nexthop objects")
Signed-off-by: David Ahern <dsahern@gmail.com>
---
tools/testing/selftests/net/fib_nexthops.sh | 24 +++++++++++++-----------
1 file changed, 13 insertions(+), 11 deletions(-)
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index c5c93d5fb3ad..f9ebeac1e6f2 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -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"
--
2.11.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests
2019-09-03 22:22 [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests David Ahern
2019-09-03 22:22 ` [PATCH net 1/2] ipv6: Fix RTA_MULTIPATH with nexthop objects David Ahern
2019-09-03 22:22 ` [PATCH net 2/2] selftest: A few cleanups for fib_nexthops.sh David Ahern
@ 2019-09-05 10:00 ` David Miller
2 siblings, 0 replies; 4+ messages in thread
From: David Miller @ 2019-09-05 10:00 UTC (permalink / raw)
To: dsahern; +Cc: netdev, sharpd, dsahern
From: David Ahern <dsahern@kernel.org>
Date: Tue, 3 Sep 2019 15:22:11 -0700
> From: David Ahern <dsahern@gmail.com>
>
> A couple of bug fixes noticed while testing Donald's patch.
Series applied.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2019-09-03 22:22 [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests David Ahern
2019-09-03 22:22 ` [PATCH net 1/2] ipv6: Fix RTA_MULTIPATH with nexthop objects David Ahern
2019-09-03 22:22 ` [PATCH net 2/2] selftest: A few cleanups for fib_nexthops.sh David Ahern
2019-09-05 10:00 ` [PATCH net 0/2] nexthops: Fix multipath notifications for IPv6 and selftests David Miller
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