granicus.if.org Git - strace/blob - rtnl_tc_action.c

   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  * SPDX-License-Identifier: LGPL-2.1-or-later
   8  */
   9
  10 #include "defs.h"
  11 #include "netlink_route.h"
  12 #include "nlattr.h"
  13 #include "print_fields.h"
  14
  15 #include "netlink.h"
  16 #include <linux/rtnetlink.h>
  17
  18 #include "xlat/rtnl_tc_action_attrs.h"
  19
  20 static const nla_decoder_t tcamsg_nla_decoders[] = {
  21         [TCA_ACT_KIND]          = decode_nla_str,
  22         [TCA_ACT_OPTIONS]       = NULL, /* unimplemented */
  23         [TCA_ACT_INDEX]         = decode_nla_u32,
  24         [TCA_ACT_STATS]         = decode_nla_tc_stats,
  25         [TCA_ACT_PAD]           = NULL,
  26         [TCA_ACT_COOKIE]        = NULL /* default parser */
  27 };
  28
  29 DECL_NETLINK_ROUTE_DECODER(decode_tcamsg)
  30 {
  31         struct tcamsg tca = { .tca_family = family };
  32
  33         PRINT_FIELD_XVAL("{", tca, tca_family, addrfams, "AF_???");
  34         tprints("}");
  35
  36         const size_t offset = NLMSG_ALIGN(sizeof(tca));
  37         if (len > offset) {
  38                 tprints(", ");
  39                 decode_nlattr(tcp, addr + offset, len - offset,
  40                               rtnl_tc_action_attrs, "TCA_ACT_???",
  41                               tcamsg_nla_decoders,
  42                               ARRAY_SIZE(tcamsg_nla_decoders), NULL);
  43         }
  44 }