[PATCH net 02/14] selftests: net: local_termination: parameterize sending interface

From: Vladimir Oltean
Date: Wed Aug 14 2024 - 20:10:18 EST


In future changes we will want to subject the DUT, $h2, to additional
VLAN-tagged traffic. For that, we need to run the tests using $h1.100 as
a sending interface, rather than the currently hardcoded $h1.

Add a parameter to run_test() and modify its 2 callers to explicitly
pass $h1, as was implicit before.

Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
---
.../net/forwarding/local_termination.sh | 39 ++++++++++---------
1 file changed, 20 insertions(+), 19 deletions(-)

diff --git a/tools/testing/selftests/net/forwarding/local_termination.sh b/tools/testing/selftests/net/forwarding/local_termination.sh
index 36f3d577d0be..92f0e242d119 100755
--- a/tools/testing/selftests/net/forwarding/local_termination.sh
+++ b/tools/testing/selftests/net/forwarding/local_termination.sh
@@ -104,44 +104,45 @@ mc_route_destroy()

run_test()
{
- local rcv_if_name=$1
- local smac=$(mac_get $h1)
+ local send_if_name=$1; shift
+ local rcv_if_name=$1; shift
+ local smac=$(mac_get $send_if_name)
local rcv_dmac=$(mac_get $rcv_if_name)

tcpdump_start $rcv_if_name

- mc_route_prepare $h1
+ mc_route_prepare $send_if_name
mc_route_prepare $rcv_if_name

- send_uc_ipv4 $h1 $rcv_dmac
- send_uc_ipv4 $h1 $MACVLAN_ADDR
- send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR1
+ send_uc_ipv4 $send_if_name $rcv_dmac
+ send_uc_ipv4 $send_if_name $MACVLAN_ADDR
+ send_uc_ipv4 $send_if_name $UNKNOWN_UC_ADDR1

ip link set dev $rcv_if_name promisc on
- send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR2
- mc_send $h1 $UNKNOWN_IPV4_MC_ADDR2
- mc_send $h1 $UNKNOWN_IPV6_MC_ADDR2
+ send_uc_ipv4 $send_if_name $UNKNOWN_UC_ADDR2
+ mc_send $send_if_name $UNKNOWN_IPV4_MC_ADDR2
+ mc_send $send_if_name $UNKNOWN_IPV6_MC_ADDR2
ip link set dev $rcv_if_name promisc off

mc_join $rcv_if_name $JOINED_IPV4_MC_ADDR
- mc_send $h1 $JOINED_IPV4_MC_ADDR
+ mc_send $send_if_name $JOINED_IPV4_MC_ADDR
mc_leave

mc_join $rcv_if_name $JOINED_IPV6_MC_ADDR
- mc_send $h1 $JOINED_IPV6_MC_ADDR
+ mc_send $send_if_name $JOINED_IPV6_MC_ADDR
mc_leave

- mc_send $h1 $UNKNOWN_IPV4_MC_ADDR1
- mc_send $h1 $UNKNOWN_IPV6_MC_ADDR1
+ mc_send $send_if_name $UNKNOWN_IPV4_MC_ADDR1
+ mc_send $send_if_name $UNKNOWN_IPV6_MC_ADDR1

ip link set dev $rcv_if_name allmulticast on
- send_uc_ipv4 $h1 $UNKNOWN_UC_ADDR3
- mc_send $h1 $UNKNOWN_IPV4_MC_ADDR3
- mc_send $h1 $UNKNOWN_IPV6_MC_ADDR3
+ send_uc_ipv4 $send_if_name $UNKNOWN_UC_ADDR3
+ mc_send $send_if_name $UNKNOWN_IPV4_MC_ADDR3
+ mc_send $send_if_name $UNKNOWN_IPV6_MC_ADDR3
ip link set dev $rcv_if_name allmulticast off

mc_route_destroy $rcv_if_name
- mc_route_destroy $h1
+ mc_route_destroy $send_if_name

sleep 1

@@ -267,7 +268,7 @@ standalone()
h2_create
macvlan_create $h2

- run_test $h2
+ run_test $h1 $h2

macvlan_destroy
h2_destroy
@@ -280,7 +281,7 @@ bridge()
bridge_create
macvlan_create br0

- run_test br0
+ run_test $h1 br0

macvlan_destroy
bridge_destroy
--
2.34.1