linux-kernel - [PATCH net-next v2 2/4] selftests/net: add local address bind in vxlan selftest

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Date: Thu, 7 Mar 2024 14:26:11 +0100
From: Richard Gobert <richardbgobert@...il.com>
To: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, willemdebruijn.kernel@...il.com, dsahern@...nel.org,
 shuah@...nel.org, idosch@...dia.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: [PATCH net-next v2 2/4] selftests/net: add local address bind in
 vxlan selftest

Add local address bind support to existing udpgro_fwd.sh vxlan selftest, to
ensure UDP socket lookup in GRO is working.

Signed-off-by: Richard Gobert <richardbgobert@...il.com>
---
 tools/testing/selftests/net/udpgro_fwd.sh | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/net/udpgro_fwd.sh b/tools/testing/selftests/net/udpgro_fwd.sh
index 9cd5e885e91f..ed66365a2fc5 100755
--- a/tools/testing/selftests/net/udpgro_fwd.sh
+++ b/tools/testing/selftests/net/udpgro_fwd.sh
@@ -62,11 +62,13 @@ create_vxlan_endpoint() {
 	local -r bm_rem_addr=$3
 	local -r vxlan_dev=$4
 	local -r vxlan_id=$5
+	local -r bm_local_addr=$6
 	local -r vxlan_port=4789
 
 	ip -n $netns link set dev $bm_dev up
 	ip -n $netns link add dev $vxlan_dev type vxlan id $vxlan_id \
-				dstport $vxlan_port remote $bm_rem_addr
+				dstport $vxlan_port local $bm_local_addr \
+				remote $bm_rem_addr
 	ip -n $netns link set dev $vxlan_dev up
 }
 
@@ -77,11 +79,13 @@ create_vxlan_pair() {
 
 	for ns in $SRC $DST; do
 		# note that 3 - $SRC == $DST and 3 - $DST == $SRC
-		create_vxlan_endpoint $BASE$ns veth$ns $BM_NET_V4$((3 - $ns)) vxlan$ns 4
+		create_vxlan_endpoint $BASE$ns veth$ns $BM_NET_V4$((3 - $ns)) \
+					vxlan$ns 4 $BM_NET_V4$ns
 		ip -n $BASE$ns addr add dev vxlan$ns $OL_NET_V4$ns/24
 	done
 	for ns in $SRC $DST; do
-		create_vxlan_endpoint $BASE$ns veth$ns $BM_NET_V6$((3 - $ns)) vxlan6$ns 6
+		create_vxlan_endpoint $BASE$ns veth$ns $BM_NET_V6$((3 - $ns)) \
+					vxlan6$ns 6 $BM_NET_V6$ns
 		ip -n $BASE$ns addr add dev vxlan6$ns $OL_NET_V6$ns/24 nodad
 	done
 
-- 
2.36.1