granicus.if.org Git - strace/blob - rtnl_netconf.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
  12 #ifdef HAVE_STRUCT_NETCONFMSG
  13
  14 # include "netlink_route.h"
  15 # include "nlattr.h"
  16 # include "print_fields.h"
  17
  18 # include <linux/netconf.h>
  19 # include "netlink.h"
  20
  21 # include "xlat/rtnl_netconf_attrs.h"
  22
  23 static const nla_decoder_t netconfmsg_nla_decoders[] = {
  24         [NETCONFA_IFINDEX]                      = decode_nla_ifindex,
  25         [NETCONFA_FORWARDING]                   = decode_nla_s32,
  26         [NETCONFA_RP_FILTER]                    = decode_nla_s32,
  27         [NETCONFA_MC_FORWARDING]                = decode_nla_s32,
  28         [NETCONFA_PROXY_NEIGH]                  = decode_nla_s32,
  29         [NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN]  = decode_nla_s32,
  30         [NETCONFA_INPUT]                        = decode_nla_s32,
  31         [NETCONFA_BC_FORWARDING]                = decode_nla_s32,
  32 };
  33
  34 DECL_NETLINK_ROUTE_DECODER(decode_netconfmsg)
  35 {
  36         struct netconfmsg ncm = { .ncm_family = family };
  37
  38         PRINT_FIELD_XVAL("{", ncm, ncm_family, addrfams, "AF_???");
  39         tprints("}");
  40
  41         const size_t offset = NLMSG_ALIGN(sizeof(ncm));
  42         if (len > offset) {
  43                 tprints(", ");
  44                 decode_nlattr(tcp, addr + offset, len - offset,
  45                               rtnl_netconf_attrs, "NETCONFA_???",
  46                               netconfmsg_nla_decoders,
  47                               ARRAY_SIZE(netconfmsg_nla_decoders), NULL);
  48         }
  49 }
  50
  51 #endif