1 /*
2 * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
3 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
4 * Copyright (c) 2016-2017 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 #include "netlink_route.h"
32 #include "nlattr.h"
33 #include "print_fields.h"
34
35 #include "netlink.h"
36 #include <linux/rtnetlink.h>
37
38 #include "xlat/rtnl_tc_action_attrs.h"
39
40 static const nla_decoder_t tcamsg_nla_decoders[] = {
41 [TCA_ACT_KIND] = decode_nla_str,
42 [TCA_ACT_OPTIONS] = NULL, /* unimplemented */
43 [TCA_ACT_INDEX] = decode_nla_u32,
44 [TCA_ACT_STATS] = decode_nla_tc_stats,
45 [TCA_ACT_PAD] = NULL,
46 [TCA_ACT_COOKIE] = NULL /* default parser */
47 };
48
DECL_NETLINK_ROUTE_DECODER(decode_tcamsg)49 DECL_NETLINK_ROUTE_DECODER(decode_tcamsg)
50 {
51 struct tcamsg tca = { .tca_family = family };
52
53 PRINT_FIELD_XVAL("{", tca, tca_family, addrfams, "AF_???");
54 tprints("}");
55
56 const size_t offset = NLMSG_ALIGN(sizeof(tca));
57 if (len > offset) {
58 tprints(", ");
59 decode_nlattr(tcp, addr + offset, len - offset,
60 rtnl_tc_action_attrs, "TCA_ACT_???",
61 tcamsg_nla_decoders,
62 ARRAY_SIZE(tcamsg_nla_decoders), NULL);
63 }
64 }
65