netlink: add a basic rtnetlink parser of dcb messages
* rtnl_dcb.c: New file. * Makefile.am (strace_SOURCES): Add it. * netlink_route.h (decode_dcbmsg): New prototype. * configure.ac (AC_CHECK_HEADERS): Add linux/dcbnl.h. (AC_CHECK_TYPES): Check for struct dcbmsg in <linux/dcbnl.h>. * netlink_route.c (route_decoders): Add RTM_GETDCB and RTM_SETDCB. * xlat/dcb_commands.in: New file. Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
This commit is contained in:
JingPiao Chen
parent
32c12cbe03
commit
b658e89812
@ -249,6 +249,7 @@ strace_SOURCES = \
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rtc.c \
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rtnl_addr.c \
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rtnl_addrlabel.c \
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rtnl_dcb.c \
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rtnl_link.c \
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rtnl_neigh.c \
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rtnl_neightbl.c \
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@ -374,6 +374,7 @@ AC_CHECK_HEADERS(m4_normalize([
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inttypes.h
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linux/bsg.h
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linux/cryptouser.h
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linux/dcbnl.h
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linux/dm-ioctl.h
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linux/dqblk_xfs.h
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linux/falloc.h
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@ -442,6 +443,7 @@ AC_CHECK_HEADERS([linux/bpf.h], [
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st_CHECK_UNION_BPF_ATTR([prog_flags])
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])
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AC_CHECK_TYPES([struct dcbmsg],,, [#include <linux/dcbnl.h>])
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AC_CHECK_TYPES([struct ifaddrlblmsg],,, [#include <linux/if_addrlabel.h>])
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AC_CHECK_TYPES([struct statfs], [
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@ -96,7 +96,12 @@ static const netlink_route_decoder_t route_decoders[] = {
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#ifdef HAVE_STRUCT_IFADDRLBLMSG
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[RTM_DELADDRLABEL - RTM_BASE] = decode_ifaddrlblmsg,
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[RTM_GETADDRLABEL - RTM_BASE] = decode_ifaddrlblmsg,
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[RTM_NEWADDRLABEL - RTM_BASE] = decode_ifaddrlblmsg
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[RTM_NEWADDRLABEL - RTM_BASE] = decode_ifaddrlblmsg,
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#endif
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#ifdef HAVE_STRUCT_DCBMSG
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[RTM_GETDCB - RTM_BASE] = decode_dcbmsg,
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[RTM_SETDCB - RTM_BASE] = decode_dcbmsg
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#endif
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};
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@ -39,6 +39,7 @@ route_decode_name(struct tcb *tcp, \
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unsigned int len) \
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/* End of DECL_NETLINK_ROUTE_DECODER definition. */
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extern DECL_NETLINK_ROUTE_DECODER(decode_dcbmsg);
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extern DECL_NETLINK_ROUTE_DECODER(decode_fib_rule_hdr);
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extern DECL_NETLINK_ROUTE_DECODER(decode_ifaddrlblmsg);
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extern DECL_NETLINK_ROUTE_DECODER(decode_ifaddrmsg);
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61
rtnl_dcb.c
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61
rtnl_dcb.c
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@ -0,0 +1,61 @@
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/*
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* Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2016-2017 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#ifdef HAVE_LINUX_DCBNL_H
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# include "netlink_route.h"
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# include "print_fields.h"
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# include <linux/dcbnl.h>
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# include "xlat/dcb_commands.h"
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DECL_NETLINK_ROUTE_DECODER(decode_dcbmsg)
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{
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struct dcbmsg dcb = { .dcb_family = family };
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const size_t offset = sizeof(dcb.dcb_family);
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PRINT_FIELD_XVAL("{", dcb, dcb_family, addrfams, "AF_???");
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tprints(", ");
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if (len >= sizeof(dcb)) {
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if (!umoven_or_printaddr(tcp, addr + offset,
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sizeof(dcb) - offset,
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(void *) &dcb + offset)) {
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PRINT_FIELD_XVAL("", dcb, cmd,
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dcb_commands, "DCB_CMD_???");
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}
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} else
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tprints("...");
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tprints("}");
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}
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#endif
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28
xlat/dcb_commands.in
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28
xlat/dcb_commands.in
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@ -0,0 +1,28 @@
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DCB_CMD_UNDEFINED 0
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DCB_CMD_GSTATE 1
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DCB_CMD_SSTATE 2
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DCB_CMD_PGTX_GCFG 3
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DCB_CMD_PGTX_SCFG 4
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DCB_CMD_PGRX_GCFG 5
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DCB_CMD_PGRX_SCFG 6
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DCB_CMD_PFC_GCFG 7
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DCB_CMD_PFC_SCFG 8
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DCB_CMD_SET_ALL 9
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DCB_CMD_GPERM_HWADDR 10
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DCB_CMD_GCAP 11
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DCB_CMD_GNUMTCS 12
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DCB_CMD_SNUMTCS 13
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DCB_CMD_PFC_GSTATE 14
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DCB_CMD_PFC_SSTATE 15
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DCB_CMD_BCN_GCFG 16
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DCB_CMD_BCN_SCFG 17
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DCB_CMD_GAPP 18
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DCB_CMD_SAPP 19
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DCB_CMD_IEEE_SET 20
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DCB_CMD_IEEE_GET 21
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DCB_CMD_GDCBX 22
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DCB_CMD_SDCBX 23
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DCB_CMD_GFEATCFG 24
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DCB_CMD_SFEATCFG 25
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DCB_CMD_CEE_GET 26
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DCB_CMD_IEEE_DEL 27
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