commit 23fd91fff6b4004a3e0e5e7a0b6ca5a97be3d20b
Author: Ondrej Mosnacek <omosnace@redhat.com>
Date:   Tue Feb 6 15:12:39 2024 +0100

    WIP

diff --git a/tests/inet_socket/client.c b/tests/inet_socket/client.c
index d3fedf4..188d8ce 100644
--- a/tests/inet_socket/client.c
+++ b/tests/inet_socket/client.c
@@ -64,6 +64,9 @@ int main(int argc, char **argv)
 		hints.ai_socktype = SOCK_STREAM;
 		hints.ai_protocol = IPPROTO_TCP;
 		sockprotocol      = IPPROTO_MPTCP;
+	} else if (!strcmp(argv[optind], "smc")) {
+		hints.ai_socktype = SOCK_STREAM;
+		hints.ai_protocol = IPPROTO_TCP;
 	} else if (!strcmp(argv[optind], "udp")) {
 		hints.ai_socktype = SOCK_DGRAM;
 		hints.ai_protocol = IPPROTO_UDP;
@@ -79,6 +82,20 @@ int main(int argc, char **argv)
 		exit(2);
 	}
 
+	if (!strcmp(argv[optind], "smc")) {
+		switch (serverinfo->ai_family) {
+		case AF_INET:
+			sockprotocol = 0; /* SMC_PROTO_SMC */
+			break;
+		case AF_INET6:
+			sockprotocol = 1; /* SMC_PROTO_SMC6 */
+			break;
+		default:
+			usage(argv[0]);
+		}
+		serverinfo->ai_family = AF_SMC;
+	}
+
 	sock = socket(serverinfo->ai_family, serverinfo->ai_socktype,
 		      sockprotocol);
 	if (sock < 0) {
diff --git a/tests/inet_socket/server.c b/tests/inet_socket/server.c
index 63b6849..baa3c93 100644
--- a/tests/inet_socket/server.c
+++ b/tests/inet_socket/server.c
@@ -74,6 +74,10 @@ int main(int argc, char **argv)
 		hints.ai_socktype = SOCK_STREAM;
 		hints.ai_protocol = IPPROTO_TCP;
 		sockprotocol      = IPPROTO_MPTCP;
+	} else if (!strcmp(argv[optind], "smc")) {
+		hints.ai_socktype = SOCK_STREAM;
+		hints.ai_protocol = IPPROTO_TCP;
+		sockprotocol      = 1; /* SMC_PROTO_SMC6 */
 	} else if (!strcmp(argv[optind], "udp")) {
 		hints.ai_socktype = SOCK_DGRAM;
 		hints.ai_protocol = IPPROTO_UDP;
@@ -88,6 +92,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
+	if (!strcmp(argv[optind], "smc"))
+		res->ai_family = AF_SMC;
+
 	sock = socket(res->ai_family, res->ai_socktype, sockprotocol);
 	if (sock < 0) {
 		perror("socket");
diff --git a/tests/inet_socket/smc b/tests/inet_socket/smc
new file mode 120000
index 0000000..945c9b4
--- /dev/null
+++ b/tests/inet_socket/smc
@@ -0,0 +1 @@
+.
\ No newline at end of file
diff --git a/tests/inet_socket/test b/tests/inet_socket/test
index 08c7b1d..545988a 100755
--- a/tests/inet_socket/test
+++ b/tests/inet_socket/test
@@ -8,7 +8,12 @@ BEGIN {
     chomp($basedir);
     $proto = basename($basedir);
 
-    if ( $proto eq "tcp" or $proto eq "mptcp" ) {
+    # check if SMC is enabled
+    if ( $proto eq "smc" and system("modprobe smc 2>/dev/null") != 0 ) {
+        plan skip_all => "SMC protocol not supported";
+    }
+
+    if ( $proto eq "tcp" or $proto eq "mptcp" or $proto eq "smc" ) {
         $is_stream   = 1;
         $fail_value1 = 5;
         $fail_value2 = 5;