Index: uspace/lib/c/generic/iplink.c
===================================================================
--- uspace/lib/c/generic/iplink.c	(revision 5a324d992b3382c26e5d9d448d8c857d73a4a6b4)
+++ uspace/lib/c/generic/iplink.c	(revision d7f2cd639fbae683ae373adf9383d6c3e0ae69cc)
@@ -218,5 +218,5 @@
 	iplink_recv_sdu_t sdu;
 	
-	uint16_t af = IPC_GET_ARG1(*icall);
+	ip_ver_t ver = IPC_GET_ARG1(*icall);
 	
 	int rc = async_data_write_accept(&sdu.data, false, 0, 0, 0,
@@ -227,5 +227,5 @@
 	}
 	
-	rc = iplink->ev_ops->recv(iplink, &sdu, af);
+	rc = iplink->ev_ops->recv(iplink, &sdu, ver);
 	free(sdu.data);
 	async_answer_0(iid, rc);
Index: uspace/lib/c/generic/iplink_srv.c
===================================================================
--- uspace/lib/c/generic/iplink_srv.c	(revision 5a324d992b3382c26e5d9d448d8c857d73a4a6b4)
+++ uspace/lib/c/generic/iplink_srv.c	(revision d7f2cd639fbae683ae373adf9383d6c3e0ae69cc)
@@ -272,5 +272,6 @@
 }
 
-int iplink_ev_recv(iplink_srv_t *srv, iplink_recv_sdu_t *sdu, uint16_t af)
+/* XXX Version should be part of @a sdu */
+int iplink_ev_recv(iplink_srv_t *srv, iplink_recv_sdu_t *sdu, ip_ver_t ver)
 {
 	if (srv->client_sess == NULL)
@@ -280,5 +281,5 @@
 	
 	ipc_call_t answer;
-	aid_t req = async_send_1(exch, IPLINK_EV_RECV, (sysarg_t) af,
+	aid_t req = async_send_1(exch, IPLINK_EV_RECV, (sysarg_t)ver,
 	    &answer);