1 /*
2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
3 * Copyright (c) 2017-2018 The strace developers.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "tests.h"
30
31 #include <stdio.h>
32 #include "test_nlattr.h"
33 #include <linux/if.h>
34 #include <linux/if_arp.h>
35 #ifdef HAVE_LINUX_IF_LINK_H
36 # include <linux/if_link.h>
37 #endif
38 #include <linux/rtnetlink.h>
39
40 #if !HAVE_DECL_IFLA_XDP
41 enum { IFLA_XDP = 43 };
42 #endif
43 #ifndef IFLA_XDP_FD
44 # define IFLA_XDP_FD 1
45 #endif
46
47 #ifndef IFLA_XDP_ATTACHED
48 # define IFLA_XDP_ATTACHED 2
49 #endif
50
51 #ifndef IFLA_XDP_PROG_ID
52 # define IFLA_XDP_PROG_ID 4
53 #endif
54
55 #ifndef IFLA_XDP_DRV_PROG_ID
56 # define IFLA_XDP_DRV_PROG_ID 5
57 #endif
58
59 #ifndef IFLA_XDP_SKB_PROG_ID
60 # define IFLA_XDP_SKB_PROG_ID 6
61 #endif
62
63 #ifndef IFLA_XDP_HW_PROG_ID
64 # define IFLA_XDP_HW_PROG_ID 7
65 #endif
66
67 #ifndef XDP_ATTACHED_NONE
68 # define XDP_ATTACHED_NONE 0
69 #endif
70
71 #ifndef XDP_ATTACHED_MULTI
72 # define XDP_ATTACHED_MULTI 4
73 #endif
74
75 #define IFLA_ATTR IFLA_XDP
76 #include "nlattr_ifla.h"
77
78 int
main(void)79 main(void)
80 {
81 skip_if_unavailable("/proc/self/fd/");
82
83 const int32_t num = 0xabacdbcd;
84 const int fd = create_nl_socket(NETLINK_ROUTE);
85 void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
86 NLA_HDRLEN + sizeof(num));
87
88 static char pattern[4096];
89 fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
90
91 TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
92 init_ifinfomsg, print_ifinfomsg,
93 IFLA_XDP_FD, pattern, num,
94 printf("%d", num));
95
96 static const struct {
97 uint8_t val;
98 const char *str;
99 } attach_types[] = {
100 { ARG_STR(XDP_ATTACHED_NONE) },
101 { ARG_STR(XDP_ATTACHED_MULTI) },
102 { ARG_STR(0x5) " /* XDP_ATTACHED_??? */" },
103 { ARG_STR(0xfe) " /* XDP_ATTACHED_??? */" },
104 };
105
106 for (size_t i = 0; i < ARRAY_SIZE(attach_types); i++) {
107 TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
108 init_ifinfomsg, print_ifinfomsg,
109 IFLA_XDP_ATTACHED, pattern,
110 attach_types[i].val,
111 printf("%s", attach_types[i].str));
112 }
113
114 #ifdef XDP_FLAGS_UPDATE_IF_NOEXIST
115 const uint32_t flags = XDP_FLAGS_UPDATE_IF_NOEXIST;
116 TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
117 init_ifinfomsg, print_ifinfomsg,
118 IFLA_XDP_FLAGS, pattern, flags,
119 printf("XDP_FLAGS_UPDATE_IF_NOEXIST"));
120 #endif
121
122 static const struct {
123 uint32_t val;
124 const char *str;
125 } attrs[] = {
126 { ARG_STR(IFLA_XDP_PROG_ID) },
127 { ARG_STR(IFLA_XDP_DRV_PROG_ID) },
128 { ARG_STR(IFLA_XDP_SKB_PROG_ID) },
129 { ARG_STR(IFLA_XDP_HW_PROG_ID) },
130 };
131
132 for (size_t i = 0; i < ARRAY_SIZE(attrs); i++) {
133 TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
134 init_ifinfomsg, print_ifinfomsg,
135 attrs[i].val, attrs[i].str,
136 pattern, num,
137 print_quoted_hex, 1,
138 printf("%u", num));
139 }
140
141 puts("+++ exited with 0 +++");
142 return 0;
143 }
144