Dmitry V. Levin
daaf8ab7fe
Headers updated automatically using maint/update_copyright_years.sh script.
459 lines
14 KiB
C
459 lines
14 KiB
C
/*
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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) 2016-2018 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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#include "netlink_route.h"
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#include "nlattr.h"
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#include "print_fields.h"
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#include "netlink.h"
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#ifdef HAVE_LINUX_IF_LINK_H
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# include <linux/if_link.h>
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#endif
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#include <linux/rtnetlink.h>
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#include "xlat/rtnl_ifla_brport_attrs.h"
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#include "xlat/rtnl_ifla_info_attrs.h"
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#include "xlat/rtnl_ifla_port_attrs.h"
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#include "xlat/rtnl_ifla_vf_port_attrs.h"
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#include "xlat/rtnl_ifla_xdp_attrs.h"
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#include "xlat/rtnl_link_attrs.h"
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#include "xlat/xdp_flags.h"
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static bool
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decode_rtnl_link_stats(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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struct rtnl_link_stats st;
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const unsigned int min_size =
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offsetofend(struct rtnl_link_stats, tx_compressed);
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const unsigned int def_size = sizeof(st);
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const unsigned int size =
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(len >= def_size) ? def_size :
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((len == min_size) ? min_size : 0);
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if (!size)
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return false;
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if (!umoven_or_printaddr(tcp, addr, size, &st)) {
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PRINT_FIELD_U("{", st, rx_packets);
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PRINT_FIELD_U(", ", st, tx_packets);
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PRINT_FIELD_U(", ", st, rx_bytes);
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PRINT_FIELD_U(", ", st, tx_bytes);
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PRINT_FIELD_U(", ", st, rx_errors);
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PRINT_FIELD_U(", ", st, tx_errors);
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PRINT_FIELD_U(", ", st, rx_dropped);
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PRINT_FIELD_U(", ", st, tx_dropped);
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PRINT_FIELD_U(", ", st, multicast);
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PRINT_FIELD_U(", ", st, collisions);
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PRINT_FIELD_U(", ", st, rx_length_errors);
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PRINT_FIELD_U(", ", st, rx_over_errors);
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PRINT_FIELD_U(", ", st, rx_crc_errors);
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PRINT_FIELD_U(", ", st, rx_frame_errors);
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PRINT_FIELD_U(", ", st, rx_fifo_errors);
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PRINT_FIELD_U(", ", st, rx_missed_errors);
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PRINT_FIELD_U(", ", st, tx_aborted_errors);
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PRINT_FIELD_U(", ", st, tx_carrier_errors);
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PRINT_FIELD_U(", ", st, tx_fifo_errors);
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PRINT_FIELD_U(", ", st, tx_heartbeat_errors);
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PRINT_FIELD_U(", ", st, tx_window_errors);
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PRINT_FIELD_U(", ", st, rx_compressed);
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PRINT_FIELD_U(", ", st, tx_compressed);
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#ifdef HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER
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if (len >= def_size)
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PRINT_FIELD_U(", ", st, rx_nohandler);
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#endif
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tprints("}");
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}
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return true;
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}
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static bool
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decode_ifla_bridge_id(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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#ifdef HAVE_STRUCT_IFLA_BRIDGE_ID
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struct ifla_bridge_id id;
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if (len < sizeof(id))
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return false;
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else if (!umove_or_printaddr(tcp, addr, &id)) {
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tprintf("{prio=[%u, %u], addr=%02x:%02x:%02x:%02x:%02x:%02x}",
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id.prio[0], id.prio[1],
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id.addr[0], id.addr[1], id.addr[2],
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id.addr[3], id.addr[4], id.addr[5]);
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}
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return true;
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#else
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return false;
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#endif
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}
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static const nla_decoder_t ifla_brport_nla_decoders[] = {
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[IFLA_BRPORT_STATE] = decode_nla_u8,
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[IFLA_BRPORT_PRIORITY] = decode_nla_u16,
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[IFLA_BRPORT_COST] = decode_nla_u32,
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[IFLA_BRPORT_MODE] = decode_nla_u8,
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[IFLA_BRPORT_GUARD] = decode_nla_u8,
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[IFLA_BRPORT_PROTECT] = decode_nla_u8,
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[IFLA_BRPORT_FAST_LEAVE] = decode_nla_u8,
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[IFLA_BRPORT_LEARNING] = decode_nla_u8,
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[IFLA_BRPORT_UNICAST_FLOOD] = decode_nla_u8,
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[IFLA_BRPORT_PROXYARP] = decode_nla_u8,
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[IFLA_BRPORT_LEARNING_SYNC] = decode_nla_u8,
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[IFLA_BRPORT_PROXYARP_WIFI] = decode_nla_u8,
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[IFLA_BRPORT_ROOT_ID] = decode_ifla_bridge_id,
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[IFLA_BRPORT_BRIDGE_ID] = decode_ifla_bridge_id,
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[IFLA_BRPORT_DESIGNATED_PORT] = decode_nla_u16,
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[IFLA_BRPORT_DESIGNATED_COST] = decode_nla_u16,
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[IFLA_BRPORT_ID] = decode_nla_u16,
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[IFLA_BRPORT_NO] = decode_nla_u16,
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[IFLA_BRPORT_TOPOLOGY_CHANGE_ACK] = decode_nla_u8,
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[IFLA_BRPORT_CONFIG_PENDING] = decode_nla_u8,
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[IFLA_BRPORT_MESSAGE_AGE_TIMER] = decode_nla_u64,
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[IFLA_BRPORT_FORWARD_DELAY_TIMER] = decode_nla_u64,
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[IFLA_BRPORT_HOLD_TIMER] = decode_nla_u64,
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[IFLA_BRPORT_FLUSH] = NULL,
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[IFLA_BRPORT_MULTICAST_ROUTER] = decode_nla_u8,
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[IFLA_BRPORT_PAD] = NULL,
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[IFLA_BRPORT_MCAST_FLOOD] = decode_nla_u8,
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[IFLA_BRPORT_MCAST_TO_UCAST] = decode_nla_u8,
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[IFLA_BRPORT_VLAN_TUNNEL] = decode_nla_u8,
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[IFLA_BRPORT_BCAST_FLOOD] = decode_nla_u8
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};
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static bool
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decode_ifla_protinfo(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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decode_nlattr(tcp, addr, len, rtnl_ifla_brport_attrs,
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"IFLA_BRPORT_???", ifla_brport_nla_decoders,
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ARRAY_SIZE(ifla_brport_nla_decoders), opaque_data);
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return true;
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}
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static bool
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decode_rtnl_link_ifmap(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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struct rtnl_link_ifmap map;
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const unsigned int sizeof_ifmap =
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offsetofend(struct rtnl_link_ifmap, port);
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if (len < sizeof_ifmap)
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return false;
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else if (!umoven_or_printaddr(tcp, addr, sizeof_ifmap, &map)) {
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PRINT_FIELD_X("{", map, mem_start);
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PRINT_FIELD_X(", ", map, mem_end);
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PRINT_FIELD_X(", ", map, base_addr);
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PRINT_FIELD_U(", ", map, irq);
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PRINT_FIELD_U(", ", map, dma);
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PRINT_FIELD_U(", ", map, port);
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tprints("}");
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}
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return true;
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}
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static const nla_decoder_t ifla_linkinfo_nla_decoders[] = {
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[IFLA_INFO_KIND] = decode_nla_str,
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[IFLA_INFO_DATA] = NULL, /* unimplemented */
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[IFLA_INFO_XSTATS] = NULL, /* unimplemented */
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[IFLA_INFO_SLAVE_KIND] = decode_nla_str,
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[IFLA_INFO_SLAVE_DATA] = NULL, /* unimplemented */
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};
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static bool
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decode_ifla_linkinfo(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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decode_nlattr(tcp, addr, len, rtnl_ifla_info_attrs,
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"IFLA_INFO_???", ifla_linkinfo_nla_decoders,
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ARRAY_SIZE(ifla_linkinfo_nla_decoders), opaque_data);
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return true;
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}
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static bool
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decode_rtnl_link_stats64(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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#ifdef HAVE_STRUCT_RTNL_LINK_STATS64
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struct rtnl_link_stats64 st;
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const unsigned int min_size =
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offsetofend(struct rtnl_link_stats64, tx_compressed);
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const unsigned int def_size = sizeof(st);
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const unsigned int size =
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(len >= def_size) ? def_size :
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((len == min_size) ? min_size : 0);
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if (!size)
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return false;
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if (!umoven_or_printaddr(tcp, addr, size, &st)) {
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PRINT_FIELD_U("{", st, rx_packets);
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PRINT_FIELD_U(", ", st, tx_packets);
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PRINT_FIELD_U(", ", st, rx_bytes);
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PRINT_FIELD_U(", ", st, tx_bytes);
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PRINT_FIELD_U(", ", st, rx_errors);
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PRINT_FIELD_U(", ", st, tx_errors);
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PRINT_FIELD_U(", ", st, rx_dropped);
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PRINT_FIELD_U(", ", st, tx_dropped);
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PRINT_FIELD_U(", ", st, multicast);
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PRINT_FIELD_U(", ", st, collisions);
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PRINT_FIELD_U(", ", st, rx_length_errors);
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PRINT_FIELD_U(", ", st, rx_over_errors);
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PRINT_FIELD_U(", ", st, rx_crc_errors);
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PRINT_FIELD_U(", ", st, rx_frame_errors);
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PRINT_FIELD_U(", ", st, rx_fifo_errors);
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PRINT_FIELD_U(", ", st, rx_missed_errors);
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PRINT_FIELD_U(", ", st, tx_aborted_errors);
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PRINT_FIELD_U(", ", st, tx_carrier_errors);
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PRINT_FIELD_U(", ", st, tx_fifo_errors);
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PRINT_FIELD_U(", ", st, tx_heartbeat_errors);
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PRINT_FIELD_U(", ", st, tx_window_errors);
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PRINT_FIELD_U(", ", st, rx_compressed);
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PRINT_FIELD_U(", ", st, tx_compressed);
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#ifdef HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER
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if (len >= def_size)
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PRINT_FIELD_U(", ", st, rx_nohandler);
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#endif
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tprints("}");
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}
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return true;
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#else
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return false;
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#endif
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}
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static bool
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decode_ifla_port_vsi(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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#ifdef HAVE_STRUCT_IFLA_PORT_VSI
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struct ifla_port_vsi vsi;
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if (len < sizeof(vsi))
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return false;
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else if (!umove_or_printaddr(tcp, addr, &vsi)) {
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PRINT_FIELD_U("{", vsi, vsi_mgr_id);
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PRINT_FIELD_STRING(", ", vsi, vsi_type_id,
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sizeof(vsi.vsi_type_id), QUOTE_FORCE_HEX);
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PRINT_FIELD_U(", ", vsi, vsi_type_version);
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tprints("}");
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}
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return true;
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#else
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return false;
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#endif
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}
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static const nla_decoder_t ifla_port_nla_decoders[] = {
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[IFLA_PORT_VF] = decode_nla_u32,
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[IFLA_PORT_PROFILE] = decode_nla_str,
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[IFLA_PORT_VSI_TYPE] = decode_ifla_port_vsi,
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[IFLA_PORT_INSTANCE_UUID] = NULL, /* default parser */
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[IFLA_PORT_HOST_UUID] = NULL, /* default parser */
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[IFLA_PORT_REQUEST] = decode_nla_u8,
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[IFLA_PORT_RESPONSE] = decode_nla_u16
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};
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static bool
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decode_ifla_port(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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decode_nlattr(tcp, addr, len, rtnl_ifla_port_attrs,
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"IFLA_VF_PORT_???", ifla_port_nla_decoders,
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ARRAY_SIZE(ifla_port_nla_decoders), opaque_data);
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return true;
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}
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static const nla_decoder_t ifla_vf_port_nla_decoders[] = {
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[IFLA_VF_PORT] = decode_ifla_port
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};
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static bool
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decode_ifla_vf_ports(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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decode_nlattr(tcp, addr, len, rtnl_ifla_vf_port_attrs,
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"IFLA_VF_PORT_???", ifla_vf_port_nla_decoders,
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ARRAY_SIZE(ifla_vf_port_nla_decoders), opaque_data);
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return true;
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}
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static bool
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decode_ifla_xdp_flags(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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uint32_t flags;
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if (len < sizeof(flags))
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return false;
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else if (!umove_or_printaddr(tcp, addr, &flags))
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printflags(xdp_flags, flags, "XDP_FLAGS_???");
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return true;
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}
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static const nla_decoder_t ifla_xdp_nla_decoders[] = {
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[IFLA_XDP_FD] = decode_nla_fd,
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[IFLA_XDP_ATTACHED] = decode_nla_u8,
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[IFLA_XDP_FLAGS] = decode_ifla_xdp_flags,
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[IFLA_XDP_PROG_ID] = decode_nla_u32
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};
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static bool
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decode_ifla_xdp(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const unsigned int len,
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const void *const opaque_data)
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{
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decode_nlattr(tcp, addr, len, rtnl_ifla_xdp_attrs,
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"IFLA_XDP_???", ifla_xdp_nla_decoders,
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ARRAY_SIZE(ifla_xdp_nla_decoders), opaque_data);
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return true;
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}
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static const nla_decoder_t ifinfomsg_nla_decoders[] = {
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[IFLA_ADDRESS] = NULL, /* unimplemented */
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[IFLA_BROADCAST] = NULL, /* unimplemented */
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[IFLA_IFNAME] = decode_nla_str,
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[IFLA_MTU] = decode_nla_u32,
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[IFLA_LINK] = decode_nla_u32,
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[IFLA_QDISC] = decode_nla_str,
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[IFLA_STATS] = decode_rtnl_link_stats,
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[IFLA_COST] = NULL, /* unused */
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[IFLA_PRIORITY] = NULL, /* unused */
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[IFLA_MASTER] = decode_nla_u32,
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[IFLA_WIRELESS] = NULL, /* unimplemented */
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[IFLA_PROTINFO] = decode_ifla_protinfo,
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[IFLA_TXQLEN] = decode_nla_u32,
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[IFLA_MAP] = decode_rtnl_link_ifmap,
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[IFLA_WEIGHT] = decode_nla_u32,
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[IFLA_OPERSTATE] = decode_nla_u8,
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[IFLA_LINKMODE] = decode_nla_u8,
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[IFLA_LINKINFO] = decode_ifla_linkinfo,
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[IFLA_NET_NS_PID] = decode_nla_u32,
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[IFLA_IFALIAS] = decode_nla_str,
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[IFLA_NUM_VF] = decode_nla_u32,
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[IFLA_VFINFO_LIST] = NULL, /* unimplemented */
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[IFLA_STATS64] = decode_rtnl_link_stats64,
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[IFLA_VF_PORTS] = decode_ifla_vf_ports,
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[IFLA_PORT_SELF] = decode_ifla_port,
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[IFLA_AF_SPEC] = NULL, /* unimplemented */
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[IFLA_GROUP] = decode_nla_u32,
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[IFLA_NET_NS_FD] = decode_nla_fd,
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[IFLA_EXT_MASK] = decode_nla_u32,
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[IFLA_PROMISCUITY] = decode_nla_u32,
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[IFLA_NUM_TX_QUEUES] = decode_nla_u32,
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[IFLA_NUM_RX_QUEUES] = decode_nla_u32,
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[IFLA_CARRIER] = decode_nla_u8,
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[IFLA_PHYS_PORT_ID] = NULL, /* default parser */
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[IFLA_CARRIER_CHANGES] = decode_nla_u32,
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[IFLA_PHYS_SWITCH_ID] = NULL, /* default parser */
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[IFLA_LINK_NETNSID] = decode_nla_s32,
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[IFLA_PHYS_PORT_NAME] = decode_nla_str,
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[IFLA_PROTO_DOWN] = decode_nla_u8,
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[IFLA_GSO_MAX_SEGS] = decode_nla_u32,
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[IFLA_GSO_MAX_SIZE] = decode_nla_u32,
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[IFLA_PAD] = NULL,
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[IFLA_XDP] = decode_ifla_xdp,
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[IFLA_EVENT] = decode_nla_u32
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};
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DECL_NETLINK_ROUTE_DECODER(decode_ifinfomsg)
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{
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struct ifinfomsg ifinfo = { .ifi_family = family };
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size_t offset = sizeof(ifinfo.ifi_family);
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bool decode_nla = false;
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PRINT_FIELD_XVAL("{", ifinfo, ifi_family, addrfams, "AF_???");
|
|
|
|
tprints(", ");
|
|
if (len >= sizeof(ifinfo)) {
|
|
if (!umoven_or_printaddr(tcp, addr + offset,
|
|
sizeof(ifinfo) - offset,
|
|
(char *) &ifinfo + offset)) {
|
|
PRINT_FIELD_XVAL("", ifinfo, ifi_type,
|
|
arp_hardware_types, "ARPHRD_???");
|
|
PRINT_FIELD_IFINDEX(", ", ifinfo, ifi_index);
|
|
PRINT_FIELD_FLAGS(", ", ifinfo, ifi_flags,
|
|
iffflags, "IFF_???");
|
|
PRINT_FIELD_X(", ", ifinfo, ifi_change);
|
|
decode_nla = true;
|
|
}
|
|
} else
|
|
tprints("...");
|
|
tprints("}");
|
|
|
|
offset = NLMSG_ALIGN(sizeof(ifinfo));
|
|
if (decode_nla && len > offset) {
|
|
tprints(", ");
|
|
decode_nlattr(tcp, addr + offset, len - offset,
|
|
rtnl_link_attrs, "IFLA_???",
|
|
ifinfomsg_nla_decoders,
|
|
ARRAY_SIZE(ifinfomsg_nla_decoders), NULL);
|
|
}
|
|
}
|