1 /*
2 * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
3 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
4 * Copyright (c) 2016-2018 The strace developers.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include "defs.h"
31
32 #ifdef HAVE_STRUCT_DCBMSG
33
34 # include "netlink_route.h"
35 # include "nlattr.h"
36 # include "print_fields.h"
37
38 # include <linux/dcbnl.h>
39 # include "netlink.h"
40
41 # include "xlat/dcb_commands.h"
42 # include "xlat/rtnl_dcb_attrs.h"
43
DECL_NETLINK_ROUTE_DECODER(decode_dcbmsg)44 DECL_NETLINK_ROUTE_DECODER(decode_dcbmsg)
45 {
46 struct dcbmsg dcb = { .dcb_family = family };
47 size_t offset = sizeof(dcb.dcb_family);
48 bool decode_nla = false;
49
50 PRINT_FIELD_XVAL("{", dcb, dcb_family, addrfams, "AF_???");
51
52 tprints(", ");
53 if (len >= sizeof(dcb)) {
54 if (!umoven_or_printaddr(tcp, addr + offset,
55 sizeof(dcb) - offset,
56 (char *) &dcb + offset)) {
57 PRINT_FIELD_XVAL("", dcb, cmd,
58 dcb_commands, "DCB_CMD_???");
59 decode_nla = true;
60 }
61 } else
62 tprints("...");
63 tprints("}");
64
65 offset = NLMSG_ALIGN(sizeof(dcb));
66 if (decode_nla && len > offset) {
67 tprints(", ");
68 decode_nlattr(tcp, addr + offset, len - offset,
69 rtnl_dcb_attrs, "DCB_ATTR_???", NULL, 0, NULL);
70 }
71 }
72
73 #endif
74