1 /*
2 * Copyright (c) 2016-2024 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29 #include <assert.h>
30 #include <sys/types.h>
31 #include <sys/sysctl.h>
32 #include <darwintest.h>
33 #include "skywalk_test_driver.h"
34 #include "skywalk_test_common.h"
35
36 /****************************************************************/
37
38 static int
skt_features_main(int argc,char * argv[])39 skt_features_main(int argc, char *argv[])
40 {
41 size_t len;
42 uint64_t features;
43 int error;
44
45 features = 0;
46 len = sizeof(features);
47 error = sysctlbyname("kern.skywalk.features", &features, &len, NULL, 0);
48 SKTC_ASSERT_ERR(error == 0);
49 assert(len == sizeof(features));
50
51 T_LOG("features = 0x%016"PRIx64, features);
52
53 assert(features & SK_FEATURE_SKYWALK);
54 assert(features & SK_FEATURE_NETNS);
55 assert(features & SK_FEATURE_NEXUS_USER_PIPE);
56 assert(features & SK_FEATURE_NEXUS_KERNEL_PIPE);
57 assert(features & SK_FEATURE_NEXUS_FLOWSWITCH);
58 assert(features & SK_FEATURE_NEXUS_NETIF);
59
60 if (features & (SK_FEATURE_DEVELOPMENT | SK_FEATURE_DEBUG)) {
61 assert(features & SK_FEATURE_NEXUS_KERNEL_PIPE_LOOPBACK);
62 assert(features & SK_FEATURE_DEV_OR_DEBUG);
63 } else {
64 assert(!(features & SK_FEATURE_NEXUS_KERNEL_PIPE_LOOPBACK));
65 assert(!(features & SK_FEATURE_DEV_OR_DEBUG));
66 }
67
68 return 0;
69 }
70
71 struct skywalk_test skt_features = {
72 "features", "verifies skywalk features match kernel config", 0, skt_features_main,
73 };
74