netdev - [RFC PATCH for-faizal 1/4] selftests: net: forwarding: allow veth pairs to be created with multiple queues

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Date: Thu, 21 Dec 2023 15:25:18 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: netdev@...r.kernel.org
Cc: "Abdul Rahim, Faizal" <faizal.abdul.rahim@...ux.intel.com>
Subject: [RFC PATCH for-faizal 1/4] selftests: net: forwarding: allow veth pairs to be created with multiple queues

For tc-taprio testing on veth, the veth pairs must have multiple TX
queues. Allow certain tests to provide VETH_OPTS="numtxqueues 8 numrxqueues 8",
while keeping the default unchanged.

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 tools/testing/selftests/net/forwarding/lib.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 69ef2a40df21..c0736a591ca0 100755
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -28,6 +28,7 @@ REQUIRE_MTOOLS=${REQUIRE_MTOOLS:=no}
 STABLE_MAC_ADDRS=${STABLE_MAC_ADDRS:=no}
 TCPDUMP_EXTRA_FLAGS=${TCPDUMP_EXTRA_FLAGS:=}
 TROUTE6=${TROUTE6:=traceroute6}
+VETH_OPTS=${VETH_OPTS:=}
 
 relative_path="${BASH_SOURCE%/*}"
 if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then
@@ -260,7 +261,7 @@ create_netif_veth()
 
 		ip link show dev ${NETIFS[p$i]} &> /dev/null
 		if [[ $? -ne 0 ]]; then
-			ip link add ${NETIFS[p$i]} type veth \
+			ip link add ${NETIFS[p$i]} ${VETH_OPTS} type veth \
 				peer name ${NETIFS[p$j]}
 			if [[ $? -ne 0 ]]; then
 				echo "Failed to create netif"
-- 
2.34.1