granicus.if.org Git - strace/blob - rtnl_dcb.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_DCBMSG
  13
  14 # include "netlink_route.h"
  15 # include "nlattr.h"
  16 # include "print_fields.h"
  17
  18 # include <linux/dcbnl.h>
  19 # include "netlink.h"
  20
  21 # include "xlat/dcb_commands.h"
  22 # include "xlat/rtnl_dcb_attrs.h"
  23
  24 DECL_NETLINK_ROUTE_DECODER(decode_dcbmsg)
  25 {
  26         struct dcbmsg dcb = { .dcb_family = family };
  27         size_t offset = sizeof(dcb.dcb_family);
  28         bool decode_nla = false;
  29
  30         PRINT_FIELD_XVAL("{", dcb, dcb_family, addrfams, "AF_???");
  31
  32         tprints(", ");
  33         if (len >= sizeof(dcb)) {
  34                 if (!umoven_or_printaddr(tcp, addr + offset,
  35                                          sizeof(dcb) - offset,
  36                                          (char *) &dcb + offset)) {
  37                         PRINT_FIELD_XVAL("", dcb, cmd,
  38                                          dcb_commands, "DCB_CMD_???");
  39                         decode_nla = true;
  40                 }
  41         } else
  42                 tprints("...");
  43         tprints("}");
  44
  45         offset = NLMSG_ALIGN(sizeof(dcb));
  46         if (decode_nla && len > offset) {
  47                 tprints(", ");
  48                 decode_nlattr(tcp, addr + offset, len - offset,
  49                               rtnl_dcb_attrs, "DCB_ATTR_???", NULL, 0, NULL);
  50         }
  51 }
  52
  53 #endif