1 /* 2 * Copyright (c) 2016 Fabien Siron <fabien.siron (at) epita.fr> 3 * Copyright (c) 2017 JingPiao Chen <chenjingpiao (at) 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 44 DECL_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
