netdev - [PATCH net-next 08/13] selftests/net: convert fib_nexthop

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Date: Mon, 11 Dec 2023 18:09:20 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>,
	Shuah Khan <shuah@...nel.org>,
	David Ahern <dsahern@...nel.org>,
	linux-kselftest@...r.kernel.org,
	Po-Hsu Lin <po-hsu.lin@...onical.com>,
	Andrea Mayer <andrea.mayer@...roma2.it>,
	Amit Cohen <amcohen@...dia.com>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Roopa Prabhu <roopa@...dia.com>,
	Ido Schimmel <idosch@...dia.com>,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH net-next 08/13] selftests/net: convert fib_nexthop_nongw.sh to run it in unique namespace

Here is the test result after conversion.

]# ./fib_nexthop_nongw.sh
TEST: nexthop: get route with nexthop without gw                    [ OK ]
TEST: nexthop: ping through nexthop without gw                      [ OK ]

Acked-by: David Ahern <dsahern@...nel.org>
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 .../selftests/net/fib_nexthop_nongw.sh        | 34 ++++++++-----------
 1 file changed, 15 insertions(+), 19 deletions(-)

diff --git a/tools/testing/selftests/net/fib_nexthop_nongw.sh b/tools/testing/selftests/net/fib_nexthop_nongw.sh
index b7b928b38ce4..1ccf56f10171 100755
--- a/tools/testing/selftests/net/fib_nexthop_nongw.sh
+++ b/tools/testing/selftests/net/fib_nexthop_nongw.sh
@@ -8,6 +8,7 @@
 #            veth0 <---|---> veth1
 # Validate source address selection for route without gateway
 
+source lib.sh
 PAUSE_ON_FAIL=no
 VERBOSE=0
 ret=0
@@ -64,35 +65,31 @@ run_cmd()
 # config
 setup()
 {
-	ip netns add h1
-	ip -n h1 link set lo up
-	ip netns add h2
-	ip -n h2 link set lo up
+	setup_ns h1 h2
 
 	# Add a fake eth0 to support an ip address
-	ip -n h1 link add name eth0 type dummy
-	ip -n h1 link set eth0 up
-	ip -n h1 address add 192.168.0.1/24 dev eth0
+	ip -n $h1 link add name eth0 type dummy
+	ip -n $h1 link set eth0 up
+	ip -n $h1 address add 192.168.0.1/24 dev eth0
 
 	# Configure veths (same @mac, arp off)
-	ip -n h1 link add name veth0 type veth peer name veth1 netns h2
-	ip -n h1 link set veth0 up
+	ip -n $h1 link add name veth0 type veth peer name veth1 netns $h2
+	ip -n $h1 link set veth0 up
 
-	ip -n h2 link set veth1 up
+	ip -n $h2 link set veth1 up
 
 	# Configure @IP in the peer netns
-	ip -n h2 address add 192.168.1.1/32 dev veth1
-	ip -n h2 route add default dev veth1
+	ip -n $h2 address add 192.168.1.1/32 dev veth1
+	ip -n $h2 route add default dev veth1
 
 	# Add a nexthop without @gw and use it in a route
-	ip -n h1 nexthop add id 1 dev veth0
-	ip -n h1 route add 192.168.1.1 nhid 1
+	ip -n $h1 nexthop add id 1 dev veth0
+	ip -n $h1 route add 192.168.1.1 nhid 1
 }
 
 cleanup()
 {
-	ip netns del h1 2>/dev/null
-	ip netns del h2 2>/dev/null
+	cleanup_ns $h1 $h2
 }
 
 trap cleanup EXIT
@@ -108,12 +105,11 @@ do
 	esac
 done
 
-cleanup
 setup
 
-run_cmd ip -netns h1 route get 192.168.1.1
+run_cmd ip -netns $h1 route get 192.168.1.1
 log_test $? 0 "nexthop: get route with nexthop without gw"
-run_cmd ip netns exec h1 ping -c1 192.168.1.1
+run_cmd ip netns exec $h1 ping -c1 192.168.1.1
 log_test $? 0 "nexthop: ping through nexthop without gw"
 
 exit $ret
-- 
2.43.0