tests: add unit tests for creating links

Based-on-patch-by: Susant Sahani <susant@redhat.com>

https://src.fedoraproject.org/rpms/libnl3/pull-request/4

1 files changed, 213 insertions, 0 deletions

diff --git a/tests/cksuite-all-netns.c b/tests/cksuite-all-netns.c
index 48aacf1..97f3a70 100644
--- a/tests/cksuite-all-netns.c
+++ b/tests/cksuite-all-netns.c
@@ -1,4 +1,8 @@
 /* SPDX-License-Identifier: LGPL-2.1-only */
+/*
+ * Author: Susant Sahani <susant@redhat.com>
+ * Copyright (c) 2018 Red Hat, Inc.
+ */
 
 #include <stdlib.h>
 #include <stdbool.h>
@@ -6,9 +10,36 @@
 
 #include "netlink-private/utils.h"
 #include "netlink/route/link.h"
+#include "netlink/route/link/sit.h"
+#include <netlink/route/link/bonding.h>
+#include <netlink/route/link/bridge.h>
+#include <netlink/route/link/ip6tnl.h>
+#include <netlink/route/link/ipgre.h>
+#include <netlink/route/link/ipip.h>
+#include <netlink/route/link/ipvlan.h>
+#include <netlink/route/link/ipvti.h>
+#include <netlink/route/link/macsec.h>
+#include <netlink/route/link/macvlan.h>
+#include <netlink/route/link/macvtap.h>
+#include <netlink/route/link/veth.h>
+#include <netlink/route/link/vlan.h>
+#include <netlink/route/link/vrf.h>
+#include <netlink/route/link/vxlan.h>
 
 #include "cksuite-all.h"
 
+/*****************************************************************************/
+
+static void _nltst_delete_link2(const char *ifname)
+{
+	_nltst_delete_link(NULL, ifname);
+}
+#define _nltst_auto_delete_link _nl_auto(_nltst_auto_delete_link_fcn)
+_NL_AUTO_DEFINE_FCN_TYPED0(const char *, _nltst_auto_delete_link_fcn,
+			   _nltst_delete_link2);
+
+/*****************************************************************************/
+
 START_TEST(cache_and_clone)
 {
 	_nl_auto_nl_socket struct nl_sock *sk = NULL;
@@ -92,6 +123,186 @@ START_TEST(cache_and_clone)
 }
 END_TEST
 
+/*****************************************************************************/
+
+START_TEST(test_create_iface)
+{
+	const int TEST_IDX = _i;
+	_nl_auto_nl_socket struct nl_sock *sk = _nltst_socket(NETLINK_ROUTE);
+	_nl_auto_rtnl_link struct rtnl_link *link = NULL;
+	_nl_auto_rtnl_link struct rtnl_link *link2 = NULL;
+	_nl_auto_rtnl_link struct rtnl_link *peer = NULL;
+	_nltst_auto_delete_link const char *IFNAME_DUMMY = NULL;
+	_nltst_auto_delete_link const char *IFNAME = "ifname";
+	int ifindex_dummy;
+	uint32_t u32;
+	int r;
+
+	switch (TEST_IDX) {
+	case 0:
+		link = _nltst_assert(rtnl_link_bridge_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		break;
+	case 1:
+		link = _nltst_assert(rtnl_link_vxlan_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_vxlan_set_id(link, 128));
+		break;
+	case 2:
+		link = _nltst_assert(rtnl_link_alloc());
+		rtnl_link_set_type(link, "ifb");
+		rtnl_link_set_name(link, IFNAME);
+		break;
+	case 3:
+		link = _nltst_assert(rtnl_link_ipgre_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_ipgre_set_local(
+			link, _nltst_inet4("192.168.254.12")));
+		_nltst_assert_retcode(rtnl_link_ipgre_set_remote(
+			link, _nltst_inet4("192.168.254.13")));
+		_nltst_assert_retcode(rtnl_link_ipgre_set_ttl(link, 64));
+		break;
+	case 4:
+		link = _nltst_assert(rtnl_link_ip6_tnl_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_ip6_tnl_set_local(
+			link, _nltst_inet6p("2607:f0d0:1002:51::4")));
+		_nltst_assert_retcode(rtnl_link_ip6_tnl_set_remote(
+			link, _nltst_inet6p("2607:f0d0:1002:52::5")));
+		break;
+	case 5:
+		link = _nltst_assert(rtnl_link_ipgretap_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_ipgre_set_local(
+			link, _nltst_inet4("10.211.55.10")));
+		_nltst_assert_retcode(rtnl_link_ipgre_set_remote(
+			link, _nltst_inet4("10.133.6.33")));
+		_nltst_assert_retcode(rtnl_link_ipgre_set_ttl(link, 64));
+		break;
+	case 6:
+		link = _nltst_assert(rtnl_link_ipvti_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_ipvti_set_local(
+			link, _nltst_inet4("192.168.254.12")));
+		_nltst_assert_retcode(rtnl_link_ipvti_set_remote(
+			link, _nltst_inet4("192.168.254.13")));
+		break;
+	case 7:
+		link = _nltst_assert(rtnl_link_sit_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_sit_set_local(
+			link, _nltst_inet4("192.168.254.12")));
+		_nltst_assert_retcode(rtnl_link_sit_set_remote(
+			link, _nltst_inet4("192.168.254.13")));
+		_nltst_assert_retcode(rtnl_link_sit_set_ttl(link, 64));
+		break;
+	case 8:
+		link = _nltst_assert(rtnl_link_ipip_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_ipip_set_local(
+			link, _nltst_inet4("192.168.254.12")));
+		_nltst_assert_retcode(rtnl_link_ipip_set_remote(
+			link, _nltst_inet4("192.168.254.13")));
+		_nltst_assert_retcode(rtnl_link_ipip_set_ttl(link, 64));
+		break;
+	case 9:
+		link = _nltst_assert(rtnl_link_bond_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		break;
+	case 10:
+		IFNAME_DUMMY = "ci-dummy";
+		_nltst_add_link(sk, IFNAME_DUMMY, "dummy", &ifindex_dummy);
+
+		link = _nltst_assert(rtnl_link_macvtap_alloc());
+		rtnl_link_set_link(link, ifindex_dummy);
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_macvtap_set_mode(
+			link, rtnl_link_macvtap_str2mode("bridge")));
+		break;
+	case 11:
+		IFNAME_DUMMY = "ci-dummy";
+		_nltst_add_link(sk, IFNAME_DUMMY, "dummy", &ifindex_dummy);
+
+		link = _nltst_assert(rtnl_link_macvlan_alloc());
+		rtnl_link_set_link(link, ifindex_dummy);
+		rtnl_link_set_name(link, IFNAME);
+		break;
+	case 12:
+		IFNAME_DUMMY = "ci-dummy";
+		_nltst_add_link(sk, IFNAME_DUMMY, "dummy", &ifindex_dummy);
+
+		link = _nltst_assert(rtnl_link_vlan_alloc());
+		rtnl_link_set_link(link, ifindex_dummy);
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_vlan_set_id(link, 10));
+		break;
+	case 13:
+		IFNAME_DUMMY = "ci-dummy";
+		_nltst_add_link(sk, IFNAME_DUMMY, "dummy", &ifindex_dummy);
+
+		link = _nltst_assert(rtnl_link_macsec_alloc());
+		rtnl_link_set_link(link, ifindex_dummy);
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_macsec_set_port(link, 10));
+		_nltst_assert_retcode(rtnl_link_macsec_set_encrypt(link, 1));
+		_nltst_assert_retcode(
+			rtnl_link_macsec_set_replay_protect(link, 1));
+		_nltst_assert_retcode(rtnl_link_macsec_set_window(link, 200));
+		break;
+	case 14:
+		IFNAME_DUMMY = "ci-dummy";
+		_nltst_add_link(sk, IFNAME_DUMMY, "dummy", &ifindex_dummy);
+
+		link = _nltst_assert(rtnl_link_ipvlan_alloc());
+		rtnl_link_set_link(link, ifindex_dummy);
+		_nltst_assert_retcode(rtnl_link_ipvlan_set_mode(
+			link, rtnl_link_ipvlan_str2mode("l2")));
+		rtnl_link_set_name(link, IFNAME);
+		break;
+	case 15:
+		link = _nltst_assert(rtnl_link_vrf_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		_nltst_assert_retcode(rtnl_link_vrf_set_tableid(link, 10));
+		break;
+	case 16: {
+		link = _nltst_assert(rtnl_link_veth_alloc());
+		rtnl_link_set_name(link, IFNAME);
+		peer = _nltst_assert(rtnl_link_veth_get_peer(link));
+		rtnl_link_set_name(peer, "ci-veth-peer");
+	} break;
+	default:
+		ck_assert_msg(0, "unexpected TEST_IDX=%d", _i);
+		break;
+	}
+
+	r = rtnl_link_add(sk, link, NLM_F_CREATE);
+	if (r == -NLE_OPNOTSUPP) {
+		/* Hm, no kernel module? Skip the test. */
+		_nltst_assert_link_not_exists(IFNAME);
+		IFNAME = NULL;
+		return;
+	}
+	_nltst_assert_retcode(r);
+
+	_nltst_assert_link_exists(IFNAME);
+
+	switch (TEST_IDX) {
+	case 15:
+		_nltst_get_link(sk, IFNAME, NULL, &link2);
+		_nltst_assert_retcode(rtnl_link_vrf_get_tableid(link2, &u32));
+		ck_assert_int_eq(u32, 10);
+		break;
+	case 16:
+		_nltst_assert_link_exists("ci-veth-peer");
+		if (_nltst_rand_bool())
+			IFNAME = "ci-veth-peer";
+		break;
+	}
+}
+END_TEST
+
+/*****************************************************************************/
+
 Suite *make_nl_netns_suite(void)
 {
 	Suite *suite = suite_create("netns");
@@ -100,6 +311,8 @@ Suite *make_nl_netns_suite(void)
 	tcase_add_checked_fixture(tc, nltst_netns_fixture_setup,
 				  nltst_netns_fixture_teardown);
 	tcase_add_test(tc, cache_and_clone);
+	tcase_add_loop_test(tc, test_create_iface, 0, 17);
+
 	suite_add_tcase(suite, tc);
 
 	return suite;