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
44DECL_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