1486 lines
44 KiB
C
1486 lines
44 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include <sys/signalfd.h>
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#include <linux/unistd.h>
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#include <linux/audit.h>
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#ifdef CONFIG_INOTIFY
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#include <sys/inotify.h>
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#endif
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#include <linux/netlink.h>
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#ifdef CONFIG_RTNETLINK
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#include <linux/rtnetlink.h>
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#include <linux/if_bridge.h>
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#endif
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#include "qemu.h"
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#include "fd-trans.h"
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enum {
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QEMU_IFLA_BR_UNSPEC,
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QEMU_IFLA_BR_FORWARD_DELAY,
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QEMU_IFLA_BR_HELLO_TIME,
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QEMU_IFLA_BR_MAX_AGE,
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QEMU_IFLA_BR_AGEING_TIME,
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QEMU_IFLA_BR_STP_STATE,
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QEMU_IFLA_BR_PRIORITY,
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QEMU_IFLA_BR_VLAN_FILTERING,
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QEMU_IFLA_BR_VLAN_PROTOCOL,
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QEMU_IFLA_BR_GROUP_FWD_MASK,
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QEMU_IFLA_BR_ROOT_ID,
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QEMU_IFLA_BR_BRIDGE_ID,
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QEMU_IFLA_BR_ROOT_PORT,
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QEMU_IFLA_BR_ROOT_PATH_COST,
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QEMU_IFLA_BR_TOPOLOGY_CHANGE,
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QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
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QEMU_IFLA_BR_HELLO_TIMER,
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QEMU_IFLA_BR_TCN_TIMER,
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QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER,
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QEMU_IFLA_BR_GC_TIMER,
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QEMU_IFLA_BR_GROUP_ADDR,
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QEMU_IFLA_BR_FDB_FLUSH,
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QEMU_IFLA_BR_MCAST_ROUTER,
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QEMU_IFLA_BR_MCAST_SNOOPING,
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QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR,
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QEMU_IFLA_BR_MCAST_QUERIER,
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QEMU_IFLA_BR_MCAST_HASH_ELASTICITY,
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QEMU_IFLA_BR_MCAST_HASH_MAX,
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QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT,
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QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT,
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QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL,
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QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL,
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QEMU_IFLA_BR_MCAST_QUERIER_INTVL,
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QEMU_IFLA_BR_MCAST_QUERY_INTVL,
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QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
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QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
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QEMU_IFLA_BR_NF_CALL_IPTABLES,
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QEMU_IFLA_BR_NF_CALL_IP6TABLES,
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QEMU_IFLA_BR_NF_CALL_ARPTABLES,
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QEMU_IFLA_BR_VLAN_DEFAULT_PVID,
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QEMU_IFLA_BR_PAD,
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QEMU_IFLA_BR_VLAN_STATS_ENABLED,
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QEMU_IFLA_BR_MCAST_STATS_ENABLED,
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QEMU_IFLA_BR_MCAST_IGMP_VERSION,
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QEMU_IFLA_BR_MCAST_MLD_VERSION,
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QEMU_IFLA_BR_VLAN_STATS_PER_PORT,
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QEMU_IFLA_BR_MULTI_BOOLOPT,
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QEMU___IFLA_BR_MAX,
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};
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enum {
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QEMU_IFLA_UNSPEC,
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QEMU_IFLA_ADDRESS,
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QEMU_IFLA_BROADCAST,
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QEMU_IFLA_IFNAME,
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QEMU_IFLA_MTU,
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QEMU_IFLA_LINK,
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QEMU_IFLA_QDISC,
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QEMU_IFLA_STATS,
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QEMU_IFLA_COST,
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QEMU_IFLA_PRIORITY,
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QEMU_IFLA_MASTER,
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QEMU_IFLA_WIRELESS,
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QEMU_IFLA_PROTINFO,
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QEMU_IFLA_TXQLEN,
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QEMU_IFLA_MAP,
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QEMU_IFLA_WEIGHT,
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QEMU_IFLA_OPERSTATE,
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QEMU_IFLA_LINKMODE,
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QEMU_IFLA_LINKINFO,
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QEMU_IFLA_NET_NS_PID,
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QEMU_IFLA_IFALIAS,
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QEMU_IFLA_NUM_VF,
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QEMU_IFLA_VFINFO_LIST,
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QEMU_IFLA_STATS64,
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QEMU_IFLA_VF_PORTS,
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QEMU_IFLA_PORT_SELF,
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QEMU_IFLA_AF_SPEC,
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QEMU_IFLA_GROUP,
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QEMU_IFLA_NET_NS_FD,
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QEMU_IFLA_EXT_MASK,
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QEMU_IFLA_PROMISCUITY,
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QEMU_IFLA_NUM_TX_QUEUES,
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QEMU_IFLA_NUM_RX_QUEUES,
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QEMU_IFLA_CARRIER,
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QEMU_IFLA_PHYS_PORT_ID,
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QEMU_IFLA_CARRIER_CHANGES,
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QEMU_IFLA_PHYS_SWITCH_ID,
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QEMU_IFLA_LINK_NETNSID,
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QEMU_IFLA_PHYS_PORT_NAME,
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QEMU_IFLA_PROTO_DOWN,
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QEMU_IFLA_GSO_MAX_SEGS,
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QEMU_IFLA_GSO_MAX_SIZE,
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QEMU_IFLA_PAD,
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QEMU_IFLA_XDP,
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QEMU_IFLA_EVENT,
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QEMU_IFLA_NEW_NETNSID,
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QEMU_IFLA_IF_NETNSID,
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QEMU_IFLA_CARRIER_UP_COUNT,
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QEMU_IFLA_CARRIER_DOWN_COUNT,
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QEMU_IFLA_NEW_IFINDEX,
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QEMU_IFLA_MIN_MTU,
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QEMU_IFLA_MAX_MTU,
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QEMU_IFLA_PROP_LIST,
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QEMU_IFLA_ALT_IFNAME,
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QEMU_IFLA_PERM_ADDRESS,
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QEMU___IFLA_MAX
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};
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enum {
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QEMU_IFLA_BRPORT_UNSPEC,
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QEMU_IFLA_BRPORT_STATE,
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QEMU_IFLA_BRPORT_PRIORITY,
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QEMU_IFLA_BRPORT_COST,
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QEMU_IFLA_BRPORT_MODE,
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QEMU_IFLA_BRPORT_GUARD,
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QEMU_IFLA_BRPORT_PROTECT,
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QEMU_IFLA_BRPORT_FAST_LEAVE,
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QEMU_IFLA_BRPORT_LEARNING,
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QEMU_IFLA_BRPORT_UNICAST_FLOOD,
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QEMU_IFLA_BRPORT_PROXYARP,
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QEMU_IFLA_BRPORT_LEARNING_SYNC,
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QEMU_IFLA_BRPORT_PROXYARP_WIFI,
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QEMU_IFLA_BRPORT_ROOT_ID,
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QEMU_IFLA_BRPORT_BRIDGE_ID,
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QEMU_IFLA_BRPORT_DESIGNATED_PORT,
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QEMU_IFLA_BRPORT_DESIGNATED_COST,
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QEMU_IFLA_BRPORT_ID,
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QEMU_IFLA_BRPORT_NO,
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QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
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QEMU_IFLA_BRPORT_CONFIG_PENDING,
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QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER,
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QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER,
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QEMU_IFLA_BRPORT_HOLD_TIMER,
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QEMU_IFLA_BRPORT_FLUSH,
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QEMU_IFLA_BRPORT_MULTICAST_ROUTER,
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QEMU_IFLA_BRPORT_PAD,
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QEMU_IFLA_BRPORT_MCAST_FLOOD,
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QEMU_IFLA_BRPORT_MCAST_TO_UCAST,
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QEMU_IFLA_BRPORT_VLAN_TUNNEL,
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QEMU_IFLA_BRPORT_BCAST_FLOOD,
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QEMU_IFLA_BRPORT_GROUP_FWD_MASK,
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QEMU_IFLA_BRPORT_NEIGH_SUPPRESS,
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QEMU_IFLA_BRPORT_ISOLATED,
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QEMU_IFLA_BRPORT_BACKUP_PORT,
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QEMU_IFLA_BRPORT_MRP_RING_OPEN,
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QEMU_IFLA_BRPORT_MRP_IN_OPEN,
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QEMU___IFLA_BRPORT_MAX
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};
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enum {
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QEMU_IFLA_TUN_UNSPEC,
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QEMU_IFLA_TUN_OWNER,
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QEMU_IFLA_TUN_GROUP,
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QEMU_IFLA_TUN_TYPE,
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QEMU_IFLA_TUN_PI,
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QEMU_IFLA_TUN_VNET_HDR,
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QEMU_IFLA_TUN_PERSIST,
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QEMU_IFLA_TUN_MULTI_QUEUE,
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QEMU_IFLA_TUN_NUM_QUEUES,
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QEMU_IFLA_TUN_NUM_DISABLED_QUEUES,
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QEMU___IFLA_TUN_MAX,
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};
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enum {
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QEMU_IFLA_INFO_UNSPEC,
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QEMU_IFLA_INFO_KIND,
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QEMU_IFLA_INFO_DATA,
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QEMU_IFLA_INFO_XSTATS,
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QEMU_IFLA_INFO_SLAVE_KIND,
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QEMU_IFLA_INFO_SLAVE_DATA,
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QEMU___IFLA_INFO_MAX,
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};
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enum {
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QEMU_IFLA_INET_UNSPEC,
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QEMU_IFLA_INET_CONF,
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QEMU___IFLA_INET_MAX,
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};
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enum {
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QEMU_IFLA_INET6_UNSPEC,
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QEMU_IFLA_INET6_FLAGS,
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QEMU_IFLA_INET6_CONF,
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QEMU_IFLA_INET6_STATS,
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QEMU_IFLA_INET6_MCAST,
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QEMU_IFLA_INET6_CACHEINFO,
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QEMU_IFLA_INET6_ICMP6STATS,
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QEMU_IFLA_INET6_TOKEN,
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QEMU_IFLA_INET6_ADDR_GEN_MODE,
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QEMU___IFLA_INET6_MAX
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};
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enum {
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QEMU_IFLA_XDP_UNSPEC,
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QEMU_IFLA_XDP_FD,
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QEMU_IFLA_XDP_ATTACHED,
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QEMU_IFLA_XDP_FLAGS,
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QEMU_IFLA_XDP_PROG_ID,
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QEMU___IFLA_XDP_MAX,
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};
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enum {
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QEMU_RTA_UNSPEC,
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QEMU_RTA_DST,
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QEMU_RTA_SRC,
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QEMU_RTA_IIF,
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QEMU_RTA_OIF,
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QEMU_RTA_GATEWAY,
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QEMU_RTA_PRIORITY,
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QEMU_RTA_PREFSRC,
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QEMU_RTA_METRICS,
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QEMU_RTA_MULTIPATH,
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QEMU_RTA_PROTOINFO, /* no longer used */
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QEMU_RTA_FLOW,
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QEMU_RTA_CACHEINFO,
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QEMU_RTA_SESSION, /* no longer used */
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QEMU_RTA_MP_ALGO, /* no longer used */
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QEMU_RTA_TABLE,
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QEMU_RTA_MARK,
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QEMU_RTA_MFC_STATS,
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QEMU_RTA_VIA,
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QEMU_RTA_NEWDST,
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QEMU_RTA_PREF,
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QEMU_RTA_ENCAP_TYPE,
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QEMU_RTA_ENCAP,
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QEMU_RTA_EXPIRES,
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QEMU_RTA_PAD,
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QEMU_RTA_UID,
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QEMU_RTA_TTL_PROPAGATE,
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QEMU_RTA_IP_PROTO,
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QEMU_RTA_SPORT,
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QEMU_RTA_DPORT,
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QEMU___RTA_MAX
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};
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TargetFdTrans **target_fd_trans;
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unsigned int target_fd_max;
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static void tswap_nlmsghdr(struct nlmsghdr *nlh)
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{
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nlh->nlmsg_len = tswap32(nlh->nlmsg_len);
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nlh->nlmsg_type = tswap16(nlh->nlmsg_type);
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nlh->nlmsg_flags = tswap16(nlh->nlmsg_flags);
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nlh->nlmsg_seq = tswap32(nlh->nlmsg_seq);
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nlh->nlmsg_pid = tswap32(nlh->nlmsg_pid);
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}
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static abi_long host_to_target_for_each_nlmsg(struct nlmsghdr *nlh,
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size_t len,
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abi_long (*host_to_target_nlmsg)
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(struct nlmsghdr *))
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{
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uint32_t nlmsg_len;
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uint32_t aligned_nlmsg_len;
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abi_long ret;
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while (len > sizeof(struct nlmsghdr)) {
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nlmsg_len = nlh->nlmsg_len;
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if (nlmsg_len < sizeof(struct nlmsghdr) ||
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nlmsg_len > len) {
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break;
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}
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switch (nlh->nlmsg_type) {
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case NLMSG_DONE:
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tswap_nlmsghdr(nlh);
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return 0;
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case NLMSG_NOOP:
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break;
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case NLMSG_ERROR:
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{
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struct nlmsgerr *e = NLMSG_DATA(nlh);
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e->error = tswap32(e->error);
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tswap_nlmsghdr(&e->msg);
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tswap_nlmsghdr(nlh);
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return 0;
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}
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default:
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ret = host_to_target_nlmsg(nlh);
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if (ret < 0) {
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tswap_nlmsghdr(nlh);
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return ret;
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}
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break;
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}
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tswap_nlmsghdr(nlh);
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aligned_nlmsg_len = NLMSG_ALIGN(nlmsg_len);
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if (aligned_nlmsg_len >= len) {
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break;
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}
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len -= aligned_nlmsg_len;
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nlh = (struct nlmsghdr *)(((char*)nlh) + aligned_nlmsg_len);
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}
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return 0;
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}
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static abi_long target_to_host_for_each_nlmsg(struct nlmsghdr *nlh,
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size_t len,
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abi_long (*target_to_host_nlmsg)
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(struct nlmsghdr *))
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{
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uint32_t aligned_nlmsg_len;
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int ret;
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while (len > sizeof(struct nlmsghdr)) {
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if (tswap32(nlh->nlmsg_len) < sizeof(struct nlmsghdr) ||
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tswap32(nlh->nlmsg_len) > len) {
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break;
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}
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tswap_nlmsghdr(nlh);
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switch (nlh->nlmsg_type) {
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case NLMSG_DONE:
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return 0;
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case NLMSG_NOOP:
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break;
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case NLMSG_ERROR:
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{
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struct nlmsgerr *e = NLMSG_DATA(nlh);
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e->error = tswap32(e->error);
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tswap_nlmsghdr(&e->msg);
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return 0;
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}
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default:
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ret = target_to_host_nlmsg(nlh);
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if (ret < 0) {
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return ret;
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}
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}
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aligned_nlmsg_len = NLMSG_ALIGN(nlh->nlmsg_len);
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if (aligned_nlmsg_len >= len) {
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break;
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}
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len -= aligned_nlmsg_len;
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nlh = (struct nlmsghdr *)(((char *)nlh) + aligned_nlmsg_len);
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}
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return 0;
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}
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#ifdef CONFIG_RTNETLINK
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static abi_long host_to_target_for_each_nlattr(struct nlattr *nlattr,
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size_t len, void *context,
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abi_long (*host_to_target_nlattr)
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(struct nlattr *,
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void *context))
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{
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unsigned short nla_len;
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unsigned short aligned_nla_len;
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abi_long ret;
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while (len > sizeof(struct nlattr)) {
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nla_len = nlattr->nla_len;
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if (nla_len < sizeof(struct nlattr) ||
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nla_len > len) {
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break;
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}
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ret = host_to_target_nlattr(nlattr, context);
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nlattr->nla_len = tswap16(nlattr->nla_len);
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nlattr->nla_type = tswap16(nlattr->nla_type);
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if (ret < 0) {
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return ret;
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}
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|
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aligned_nla_len = NLA_ALIGN(nla_len);
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if (aligned_nla_len >= len) {
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break;
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}
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len -= aligned_nla_len;
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nlattr = (struct nlattr *)(((char *)nlattr) + aligned_nla_len);
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}
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return 0;
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}
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|
|
static abi_long host_to_target_for_each_rtattr(struct rtattr *rtattr,
|
|
size_t len,
|
|
abi_long (*host_to_target_rtattr)
|
|
(struct rtattr *))
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|
{
|
|
unsigned short rta_len;
|
|
unsigned short aligned_rta_len;
|
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abi_long ret;
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|
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while (len > sizeof(struct rtattr)) {
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rta_len = rtattr->rta_len;
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if (rta_len < sizeof(struct rtattr) ||
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rta_len > len) {
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break;
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}
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ret = host_to_target_rtattr(rtattr);
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rtattr->rta_len = tswap16(rtattr->rta_len);
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rtattr->rta_type = tswap16(rtattr->rta_type);
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if (ret < 0) {
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return ret;
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}
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|
|
aligned_rta_len = RTA_ALIGN(rta_len);
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if (aligned_rta_len >= len) {
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break;
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}
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len -= aligned_rta_len;
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rtattr = (struct rtattr *)(((char *)rtattr) + aligned_rta_len);
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}
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return 0;
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}
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|
|
#define NLA_DATA(nla) ((void *)((char *)(nla)) + NLA_HDRLEN)
|
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|
|
static abi_long host_to_target_data_bridge_nlattr(struct nlattr *nlattr,
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|
void *context)
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|
{
|
|
uint16_t *u16;
|
|
uint32_t *u32;
|
|
uint64_t *u64;
|
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|
|
switch (nlattr->nla_type) {
|
|
/* no data */
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|
case QEMU_IFLA_BR_FDB_FLUSH:
|
|
break;
|
|
/* binary */
|
|
case QEMU_IFLA_BR_GROUP_ADDR:
|
|
break;
|
|
/* uint8_t */
|
|
case QEMU_IFLA_BR_VLAN_FILTERING:
|
|
case QEMU_IFLA_BR_TOPOLOGY_CHANGE:
|
|
case QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED:
|
|
case QEMU_IFLA_BR_MCAST_ROUTER:
|
|
case QEMU_IFLA_BR_MCAST_SNOOPING:
|
|
case QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR:
|
|
case QEMU_IFLA_BR_MCAST_QUERIER:
|
|
case QEMU_IFLA_BR_NF_CALL_IPTABLES:
|
|
case QEMU_IFLA_BR_NF_CALL_IP6TABLES:
|
|
case QEMU_IFLA_BR_NF_CALL_ARPTABLES:
|
|
case QEMU_IFLA_BR_VLAN_STATS_ENABLED:
|
|
case QEMU_IFLA_BR_MCAST_STATS_ENABLED:
|
|
case QEMU_IFLA_BR_MCAST_IGMP_VERSION:
|
|
case QEMU_IFLA_BR_MCAST_MLD_VERSION:
|
|
case QEMU_IFLA_BR_VLAN_STATS_PER_PORT:
|
|
break;
|
|
/* uint16_t */
|
|
case QEMU_IFLA_BR_PRIORITY:
|
|
case QEMU_IFLA_BR_VLAN_PROTOCOL:
|
|
case QEMU_IFLA_BR_GROUP_FWD_MASK:
|
|
case QEMU_IFLA_BR_ROOT_PORT:
|
|
case QEMU_IFLA_BR_VLAN_DEFAULT_PVID:
|
|
u16 = NLA_DATA(nlattr);
|
|
*u16 = tswap16(*u16);
|
|
break;
|
|
/* uint32_t */
|
|
case QEMU_IFLA_BR_FORWARD_DELAY:
|
|
case QEMU_IFLA_BR_HELLO_TIME:
|
|
case QEMU_IFLA_BR_MAX_AGE:
|
|
case QEMU_IFLA_BR_AGEING_TIME:
|
|
case QEMU_IFLA_BR_STP_STATE:
|
|
case QEMU_IFLA_BR_ROOT_PATH_COST:
|
|
case QEMU_IFLA_BR_MCAST_HASH_ELASTICITY:
|
|
case QEMU_IFLA_BR_MCAST_HASH_MAX:
|
|
case QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT:
|
|
case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT:
|
|
u32 = NLA_DATA(nlattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
/* uint64_t */
|
|
case QEMU_IFLA_BR_HELLO_TIMER:
|
|
case QEMU_IFLA_BR_TCN_TIMER:
|
|
case QEMU_IFLA_BR_GC_TIMER:
|
|
case QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER:
|
|
case QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL:
|
|
case QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL:
|
|
case QEMU_IFLA_BR_MCAST_QUERIER_INTVL:
|
|
case QEMU_IFLA_BR_MCAST_QUERY_INTVL:
|
|
case QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL:
|
|
case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL:
|
|
u64 = NLA_DATA(nlattr);
|
|
*u64 = tswap64(*u64);
|
|
break;
|
|
/* ifla_bridge_id: uin8_t[] */
|
|
case QEMU_IFLA_BR_ROOT_ID:
|
|
case QEMU_IFLA_BR_BRIDGE_ID:
|
|
break;
|
|
/* br_boolopt_multi { uint32_t, uint32_t } */
|
|
case QEMU_IFLA_BR_MULTI_BOOLOPT:
|
|
u32 = NLA_DATA(nlattr);
|
|
u32[0] = tswap32(u32[0]); /* optval */
|
|
u32[1] = tswap32(u32[1]); /* optmask */
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_BR type %d\n",
|
|
nlattr->nla_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_slave_data_bridge_nlattr(struct nlattr *nlattr,
|
|
void *context)
|
|
{
|
|
uint16_t *u16;
|
|
uint32_t *u32;
|
|
uint64_t *u64;
|
|
|
|
switch (nlattr->nla_type) {
|
|
/* uint8_t */
|
|
case QEMU_IFLA_BRPORT_STATE:
|
|
case QEMU_IFLA_BRPORT_MODE:
|
|
case QEMU_IFLA_BRPORT_GUARD:
|
|
case QEMU_IFLA_BRPORT_PROTECT:
|
|
case QEMU_IFLA_BRPORT_FAST_LEAVE:
|
|
case QEMU_IFLA_BRPORT_LEARNING:
|
|
case QEMU_IFLA_BRPORT_UNICAST_FLOOD:
|
|
case QEMU_IFLA_BRPORT_PROXYARP:
|
|
case QEMU_IFLA_BRPORT_LEARNING_SYNC:
|
|
case QEMU_IFLA_BRPORT_PROXYARP_WIFI:
|
|
case QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK:
|
|
case QEMU_IFLA_BRPORT_CONFIG_PENDING:
|
|
case QEMU_IFLA_BRPORT_MULTICAST_ROUTER:
|
|
case QEMU_IFLA_BRPORT_MCAST_FLOOD:
|
|
case QEMU_IFLA_BRPORT_MCAST_TO_UCAST:
|
|
case QEMU_IFLA_BRPORT_VLAN_TUNNEL:
|
|
case QEMU_IFLA_BRPORT_BCAST_FLOOD:
|
|
case QEMU_IFLA_BRPORT_NEIGH_SUPPRESS:
|
|
case QEMU_IFLA_BRPORT_ISOLATED:
|
|
case QEMU_IFLA_BRPORT_MRP_RING_OPEN:
|
|
case QEMU_IFLA_BRPORT_MRP_IN_OPEN:
|
|
break;
|
|
/* uint16_t */
|
|
case QEMU_IFLA_BRPORT_PRIORITY:
|
|
case QEMU_IFLA_BRPORT_DESIGNATED_PORT:
|
|
case QEMU_IFLA_BRPORT_DESIGNATED_COST:
|
|
case QEMU_IFLA_BRPORT_ID:
|
|
case QEMU_IFLA_BRPORT_NO:
|
|
case QEMU_IFLA_BRPORT_GROUP_FWD_MASK:
|
|
u16 = NLA_DATA(nlattr);
|
|
*u16 = tswap16(*u16);
|
|
break;
|
|
/* uin32_t */
|
|
case QEMU_IFLA_BRPORT_COST:
|
|
case QEMU_IFLA_BRPORT_BACKUP_PORT:
|
|
u32 = NLA_DATA(nlattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
/* uint64_t */
|
|
case QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER:
|
|
case QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER:
|
|
case QEMU_IFLA_BRPORT_HOLD_TIMER:
|
|
u64 = NLA_DATA(nlattr);
|
|
*u64 = tswap64(*u64);
|
|
break;
|
|
/* ifla_bridge_id: uint8_t[] */
|
|
case QEMU_IFLA_BRPORT_ROOT_ID:
|
|
case QEMU_IFLA_BRPORT_BRIDGE_ID:
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_BRPORT type %d\n",
|
|
nlattr->nla_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_data_tun_nlattr(struct nlattr *nlattr,
|
|
void *context)
|
|
{
|
|
uint32_t *u32;
|
|
|
|
switch (nlattr->nla_type) {
|
|
/* uint8_t */
|
|
case QEMU_IFLA_TUN_TYPE:
|
|
case QEMU_IFLA_TUN_PI:
|
|
case QEMU_IFLA_TUN_VNET_HDR:
|
|
case QEMU_IFLA_TUN_PERSIST:
|
|
case QEMU_IFLA_TUN_MULTI_QUEUE:
|
|
break;
|
|
/* uint32_t */
|
|
case QEMU_IFLA_TUN_NUM_QUEUES:
|
|
case QEMU_IFLA_TUN_NUM_DISABLED_QUEUES:
|
|
case QEMU_IFLA_TUN_OWNER:
|
|
case QEMU_IFLA_TUN_GROUP:
|
|
u32 = NLA_DATA(nlattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_TUN type %d\n",
|
|
nlattr->nla_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
struct linkinfo_context {
|
|
int len;
|
|
char *name;
|
|
int slave_len;
|
|
char *slave_name;
|
|
};
|
|
|
|
static abi_long host_to_target_data_linkinfo_nlattr(struct nlattr *nlattr,
|
|
void *context)
|
|
{
|
|
struct linkinfo_context *li_context = context;
|
|
|
|
switch (nlattr->nla_type) {
|
|
/* string */
|
|
case QEMU_IFLA_INFO_KIND:
|
|
li_context->name = NLA_DATA(nlattr);
|
|
li_context->len = nlattr->nla_len - NLA_HDRLEN;
|
|
break;
|
|
case QEMU_IFLA_INFO_SLAVE_KIND:
|
|
li_context->slave_name = NLA_DATA(nlattr);
|
|
li_context->slave_len = nlattr->nla_len - NLA_HDRLEN;
|
|
break;
|
|
/* stats */
|
|
case QEMU_IFLA_INFO_XSTATS:
|
|
/* FIXME: only used by CAN */
|
|
break;
|
|
/* nested */
|
|
case QEMU_IFLA_INFO_DATA:
|
|
if (strncmp(li_context->name, "bridge",
|
|
li_context->len) == 0) {
|
|
return host_to_target_for_each_nlattr(NLA_DATA(nlattr),
|
|
nlattr->nla_len,
|
|
NULL,
|
|
host_to_target_data_bridge_nlattr);
|
|
} else if (strncmp(li_context->name, "tun",
|
|
li_context->len) == 0) {
|
|
return host_to_target_for_each_nlattr(NLA_DATA(nlattr),
|
|
nlattr->nla_len,
|
|
NULL,
|
|
host_to_target_data_tun_nlattr);
|
|
} else {
|
|
qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_INFO_KIND %s\n",
|
|
li_context->name);
|
|
}
|
|
break;
|
|
case QEMU_IFLA_INFO_SLAVE_DATA:
|
|
if (strncmp(li_context->slave_name, "bridge",
|
|
li_context->slave_len) == 0) {
|
|
return host_to_target_for_each_nlattr(NLA_DATA(nlattr),
|
|
nlattr->nla_len,
|
|
NULL,
|
|
host_to_target_slave_data_bridge_nlattr);
|
|
} else {
|
|
qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_INFO_SLAVE_KIND %s\n",
|
|
li_context->slave_name);
|
|
}
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown host QEMU_IFLA_INFO type: %d\n",
|
|
nlattr->nla_type);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_data_inet_nlattr(struct nlattr *nlattr,
|
|
void *context)
|
|
{
|
|
uint32_t *u32;
|
|
int i;
|
|
|
|
switch (nlattr->nla_type) {
|
|
case QEMU_IFLA_INET_CONF:
|
|
u32 = NLA_DATA(nlattr);
|
|
for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32);
|
|
i++) {
|
|
u32[i] = tswap32(u32[i]);
|
|
}
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown host AF_INET type: %d\n",
|
|
nlattr->nla_type);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_data_inet6_nlattr(struct nlattr *nlattr,
|
|
void *context)
|
|
{
|
|
uint32_t *u32;
|
|
uint64_t *u64;
|
|
struct ifla_cacheinfo *ci;
|
|
int i;
|
|
|
|
switch (nlattr->nla_type) {
|
|
/* binaries */
|
|
case QEMU_IFLA_INET6_TOKEN:
|
|
break;
|
|
/* uint8_t */
|
|
case QEMU_IFLA_INET6_ADDR_GEN_MODE:
|
|
break;
|
|
/* uint32_t */
|
|
case QEMU_IFLA_INET6_FLAGS:
|
|
u32 = NLA_DATA(nlattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
/* uint32_t[] */
|
|
case QEMU_IFLA_INET6_CONF:
|
|
u32 = NLA_DATA(nlattr);
|
|
for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32);
|
|
i++) {
|
|
u32[i] = tswap32(u32[i]);
|
|
}
|
|
break;
|
|
/* ifla_cacheinfo */
|
|
case QEMU_IFLA_INET6_CACHEINFO:
|
|
ci = NLA_DATA(nlattr);
|
|
ci->max_reasm_len = tswap32(ci->max_reasm_len);
|
|
ci->tstamp = tswap32(ci->tstamp);
|
|
ci->reachable_time = tswap32(ci->reachable_time);
|
|
ci->retrans_time = tswap32(ci->retrans_time);
|
|
break;
|
|
/* uint64_t[] */
|
|
case QEMU_IFLA_INET6_STATS:
|
|
case QEMU_IFLA_INET6_ICMP6STATS:
|
|
u64 = NLA_DATA(nlattr);
|
|
for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u64);
|
|
i++) {
|
|
u64[i] = tswap64(u64[i]);
|
|
}
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown host AF_INET6 type: %d\n",
|
|
nlattr->nla_type);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_data_spec_nlattr(struct nlattr *nlattr,
|
|
void *context)
|
|
{
|
|
switch (nlattr->nla_type) {
|
|
case AF_INET:
|
|
return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len,
|
|
NULL,
|
|
host_to_target_data_inet_nlattr);
|
|
case AF_INET6:
|
|
return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len,
|
|
NULL,
|
|
host_to_target_data_inet6_nlattr);
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown host AF_SPEC type: %d\n",
|
|
nlattr->nla_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_data_xdp_nlattr(struct nlattr *nlattr,
|
|
void *context)
|
|
{
|
|
uint32_t *u32;
|
|
|
|
switch (nlattr->nla_type) {
|
|
/* uint8_t */
|
|
case QEMU_IFLA_XDP_ATTACHED:
|
|
break;
|
|
/* uint32_t */
|
|
case QEMU_IFLA_XDP_PROG_ID:
|
|
u32 = NLA_DATA(nlattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
default:
|
|
qemu_log_mask(
|
|
LOG_UNIMP, "Unknown host XDP type: %d\n", nlattr->nla_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_data_link_rtattr(struct rtattr *rtattr)
|
|
{
|
|
uint32_t *u32;
|
|
struct rtnl_link_stats *st;
|
|
struct rtnl_link_stats64 *st64;
|
|
struct rtnl_link_ifmap *map;
|
|
struct linkinfo_context li_context;
|
|
|
|
switch (rtattr->rta_type) {
|
|
/* binary stream */
|
|
case QEMU_IFLA_ADDRESS:
|
|
case QEMU_IFLA_BROADCAST:
|
|
case QEMU_IFLA_PERM_ADDRESS:
|
|
/* string */
|
|
case QEMU_IFLA_IFNAME:
|
|
case QEMU_IFLA_QDISC:
|
|
break;
|
|
/* uin8_t */
|
|
case QEMU_IFLA_OPERSTATE:
|
|
case QEMU_IFLA_LINKMODE:
|
|
case QEMU_IFLA_CARRIER:
|
|
case QEMU_IFLA_PROTO_DOWN:
|
|
break;
|
|
/* uint32_t */
|
|
case QEMU_IFLA_MTU:
|
|
case QEMU_IFLA_LINK:
|
|
case QEMU_IFLA_WEIGHT:
|
|
case QEMU_IFLA_TXQLEN:
|
|
case QEMU_IFLA_CARRIER_CHANGES:
|
|
case QEMU_IFLA_NUM_RX_QUEUES:
|
|
case QEMU_IFLA_NUM_TX_QUEUES:
|
|
case QEMU_IFLA_PROMISCUITY:
|
|
case QEMU_IFLA_EXT_MASK:
|
|
case QEMU_IFLA_LINK_NETNSID:
|
|
case QEMU_IFLA_GROUP:
|
|
case QEMU_IFLA_MASTER:
|
|
case QEMU_IFLA_NUM_VF:
|
|
case QEMU_IFLA_GSO_MAX_SEGS:
|
|
case QEMU_IFLA_GSO_MAX_SIZE:
|
|
case QEMU_IFLA_CARRIER_UP_COUNT:
|
|
case QEMU_IFLA_CARRIER_DOWN_COUNT:
|
|
case QEMU_IFLA_MIN_MTU:
|
|
case QEMU_IFLA_MAX_MTU:
|
|
u32 = RTA_DATA(rtattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
/* struct rtnl_link_stats */
|
|
case QEMU_IFLA_STATS:
|
|
st = RTA_DATA(rtattr);
|
|
st->rx_packets = tswap32(st->rx_packets);
|
|
st->tx_packets = tswap32(st->tx_packets);
|
|
st->rx_bytes = tswap32(st->rx_bytes);
|
|
st->tx_bytes = tswap32(st->tx_bytes);
|
|
st->rx_errors = tswap32(st->rx_errors);
|
|
st->tx_errors = tswap32(st->tx_errors);
|
|
st->rx_dropped = tswap32(st->rx_dropped);
|
|
st->tx_dropped = tswap32(st->tx_dropped);
|
|
st->multicast = tswap32(st->multicast);
|
|
st->collisions = tswap32(st->collisions);
|
|
|
|
/* detailed rx_errors: */
|
|
st->rx_length_errors = tswap32(st->rx_length_errors);
|
|
st->rx_over_errors = tswap32(st->rx_over_errors);
|
|
st->rx_crc_errors = tswap32(st->rx_crc_errors);
|
|
st->rx_frame_errors = tswap32(st->rx_frame_errors);
|
|
st->rx_fifo_errors = tswap32(st->rx_fifo_errors);
|
|
st->rx_missed_errors = tswap32(st->rx_missed_errors);
|
|
|
|
/* detailed tx_errors */
|
|
st->tx_aborted_errors = tswap32(st->tx_aborted_errors);
|
|
st->tx_carrier_errors = tswap32(st->tx_carrier_errors);
|
|
st->tx_fifo_errors = tswap32(st->tx_fifo_errors);
|
|
st->tx_heartbeat_errors = tswap32(st->tx_heartbeat_errors);
|
|
st->tx_window_errors = tswap32(st->tx_window_errors);
|
|
|
|
/* for cslip etc */
|
|
st->rx_compressed = tswap32(st->rx_compressed);
|
|
st->tx_compressed = tswap32(st->tx_compressed);
|
|
break;
|
|
/* struct rtnl_link_stats64 */
|
|
case QEMU_IFLA_STATS64:
|
|
st64 = RTA_DATA(rtattr);
|
|
st64->rx_packets = tswap64(st64->rx_packets);
|
|
st64->tx_packets = tswap64(st64->tx_packets);
|
|
st64->rx_bytes = tswap64(st64->rx_bytes);
|
|
st64->tx_bytes = tswap64(st64->tx_bytes);
|
|
st64->rx_errors = tswap64(st64->rx_errors);
|
|
st64->tx_errors = tswap64(st64->tx_errors);
|
|
st64->rx_dropped = tswap64(st64->rx_dropped);
|
|
st64->tx_dropped = tswap64(st64->tx_dropped);
|
|
st64->multicast = tswap64(st64->multicast);
|
|
st64->collisions = tswap64(st64->collisions);
|
|
|
|
/* detailed rx_errors: */
|
|
st64->rx_length_errors = tswap64(st64->rx_length_errors);
|
|
st64->rx_over_errors = tswap64(st64->rx_over_errors);
|
|
st64->rx_crc_errors = tswap64(st64->rx_crc_errors);
|
|
st64->rx_frame_errors = tswap64(st64->rx_frame_errors);
|
|
st64->rx_fifo_errors = tswap64(st64->rx_fifo_errors);
|
|
st64->rx_missed_errors = tswap64(st64->rx_missed_errors);
|
|
|
|
/* detailed tx_errors */
|
|
st64->tx_aborted_errors = tswap64(st64->tx_aborted_errors);
|
|
st64->tx_carrier_errors = tswap64(st64->tx_carrier_errors);
|
|
st64->tx_fifo_errors = tswap64(st64->tx_fifo_errors);
|
|
st64->tx_heartbeat_errors = tswap64(st64->tx_heartbeat_errors);
|
|
st64->tx_window_errors = tswap64(st64->tx_window_errors);
|
|
|
|
/* for cslip etc */
|
|
st64->rx_compressed = tswap64(st64->rx_compressed);
|
|
st64->tx_compressed = tswap64(st64->tx_compressed);
|
|
break;
|
|
/* struct rtnl_link_ifmap */
|
|
case QEMU_IFLA_MAP:
|
|
map = RTA_DATA(rtattr);
|
|
map->mem_start = tswap64(map->mem_start);
|
|
map->mem_end = tswap64(map->mem_end);
|
|
map->base_addr = tswap64(map->base_addr);
|
|
map->irq = tswap16(map->irq);
|
|
break;
|
|
/* nested */
|
|
case QEMU_IFLA_LINKINFO:
|
|
memset(&li_context, 0, sizeof(li_context));
|
|
return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
|
|
&li_context,
|
|
host_to_target_data_linkinfo_nlattr);
|
|
case QEMU_IFLA_AF_SPEC:
|
|
return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
|
|
NULL,
|
|
host_to_target_data_spec_nlattr);
|
|
case QEMU_IFLA_XDP:
|
|
return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
|
|
NULL,
|
|
host_to_target_data_xdp_nlattr);
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown host QEMU_IFLA type: %d\n",
|
|
rtattr->rta_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_data_addr_rtattr(struct rtattr *rtattr)
|
|
{
|
|
uint32_t *u32;
|
|
struct ifa_cacheinfo *ci;
|
|
|
|
switch (rtattr->rta_type) {
|
|
/* binary: depends on family type */
|
|
case IFA_ADDRESS:
|
|
case IFA_LOCAL:
|
|
break;
|
|
/* string */
|
|
case IFA_LABEL:
|
|
break;
|
|
/* u32 */
|
|
case IFA_FLAGS:
|
|
case IFA_BROADCAST:
|
|
u32 = RTA_DATA(rtattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
/* struct ifa_cacheinfo */
|
|
case IFA_CACHEINFO:
|
|
ci = RTA_DATA(rtattr);
|
|
ci->ifa_prefered = tswap32(ci->ifa_prefered);
|
|
ci->ifa_valid = tswap32(ci->ifa_valid);
|
|
ci->cstamp = tswap32(ci->cstamp);
|
|
ci->tstamp = tswap32(ci->tstamp);
|
|
break;
|
|
default:
|
|
qemu_log_mask(
|
|
LOG_UNIMP, "Unknown host IFA type: %d\n", rtattr->rta_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_data_route_rtattr(struct rtattr *rtattr)
|
|
{
|
|
uint32_t *u32;
|
|
struct rta_cacheinfo *ci;
|
|
|
|
switch (rtattr->rta_type) {
|
|
/* binary: depends on family type */
|
|
case QEMU_RTA_GATEWAY:
|
|
case QEMU_RTA_DST:
|
|
case QEMU_RTA_PREFSRC:
|
|
break;
|
|
/* u8 */
|
|
case QEMU_RTA_PREF:
|
|
break;
|
|
/* u32 */
|
|
case QEMU_RTA_PRIORITY:
|
|
case QEMU_RTA_TABLE:
|
|
case QEMU_RTA_OIF:
|
|
u32 = RTA_DATA(rtattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
/* struct rta_cacheinfo */
|
|
case QEMU_RTA_CACHEINFO:
|
|
ci = RTA_DATA(rtattr);
|
|
ci->rta_clntref = tswap32(ci->rta_clntref);
|
|
ci->rta_lastuse = tswap32(ci->rta_lastuse);
|
|
ci->rta_expires = tswap32(ci->rta_expires);
|
|
ci->rta_error = tswap32(ci->rta_error);
|
|
ci->rta_used = tswap32(ci->rta_used);
|
|
#if defined(RTNETLINK_HAVE_PEERINFO)
|
|
ci->rta_id = tswap32(ci->rta_id);
|
|
ci->rta_ts = tswap32(ci->rta_ts);
|
|
ci->rta_tsage = tswap32(ci->rta_tsage);
|
|
#endif
|
|
break;
|
|
default:
|
|
qemu_log_mask(
|
|
LOG_UNIMP, "Unknown host RTA type: %d\n", rtattr->rta_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long host_to_target_link_rtattr(struct rtattr *rtattr,
|
|
uint32_t rtattr_len)
|
|
{
|
|
return host_to_target_for_each_rtattr(rtattr, rtattr_len,
|
|
host_to_target_data_link_rtattr);
|
|
}
|
|
|
|
static abi_long host_to_target_addr_rtattr(struct rtattr *rtattr,
|
|
uint32_t rtattr_len)
|
|
{
|
|
return host_to_target_for_each_rtattr(rtattr, rtattr_len,
|
|
host_to_target_data_addr_rtattr);
|
|
}
|
|
|
|
static abi_long host_to_target_route_rtattr(struct rtattr *rtattr,
|
|
uint32_t rtattr_len)
|
|
{
|
|
return host_to_target_for_each_rtattr(rtattr, rtattr_len,
|
|
host_to_target_data_route_rtattr);
|
|
}
|
|
|
|
static abi_long host_to_target_data_route(struct nlmsghdr *nlh)
|
|
{
|
|
uint32_t nlmsg_len;
|
|
struct ifinfomsg *ifi;
|
|
struct ifaddrmsg *ifa;
|
|
struct rtmsg *rtm;
|
|
|
|
nlmsg_len = nlh->nlmsg_len;
|
|
switch (nlh->nlmsg_type) {
|
|
case RTM_NEWLINK:
|
|
case RTM_DELLINK:
|
|
case RTM_GETLINK:
|
|
if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) {
|
|
ifi = NLMSG_DATA(nlh);
|
|
ifi->ifi_type = tswap16(ifi->ifi_type);
|
|
ifi->ifi_index = tswap32(ifi->ifi_index);
|
|
ifi->ifi_flags = tswap32(ifi->ifi_flags);
|
|
ifi->ifi_change = tswap32(ifi->ifi_change);
|
|
host_to_target_link_rtattr(IFLA_RTA(ifi),
|
|
nlmsg_len - NLMSG_LENGTH(sizeof(*ifi)));
|
|
}
|
|
break;
|
|
case RTM_NEWADDR:
|
|
case RTM_DELADDR:
|
|
case RTM_GETADDR:
|
|
if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) {
|
|
ifa = NLMSG_DATA(nlh);
|
|
ifa->ifa_index = tswap32(ifa->ifa_index);
|
|
host_to_target_addr_rtattr(IFA_RTA(ifa),
|
|
nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
|
|
}
|
|
break;
|
|
case RTM_NEWROUTE:
|
|
case RTM_DELROUTE:
|
|
case RTM_GETROUTE:
|
|
if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) {
|
|
rtm = NLMSG_DATA(nlh);
|
|
rtm->rtm_flags = tswap32(rtm->rtm_flags);
|
|
host_to_target_route_rtattr(RTM_RTA(rtm),
|
|
nlmsg_len - NLMSG_LENGTH(sizeof(*rtm)));
|
|
}
|
|
break;
|
|
default:
|
|
return -TARGET_EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline abi_long host_to_target_nlmsg_route(struct nlmsghdr *nlh,
|
|
size_t len)
|
|
{
|
|
return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_route);
|
|
}
|
|
|
|
static abi_long target_to_host_for_each_rtattr(struct rtattr *rtattr,
|
|
size_t len,
|
|
abi_long (*target_to_host_rtattr)
|
|
(struct rtattr *))
|
|
{
|
|
unsigned short aligned_rta_len;
|
|
abi_long ret;
|
|
|
|
while (len >= sizeof(struct rtattr)) {
|
|
if (tswap16(rtattr->rta_len) < sizeof(struct rtattr) ||
|
|
tswap16(rtattr->rta_len) > len) {
|
|
break;
|
|
}
|
|
rtattr->rta_len = tswap16(rtattr->rta_len);
|
|
rtattr->rta_type = tswap16(rtattr->rta_type);
|
|
ret = target_to_host_rtattr(rtattr);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
aligned_rta_len = RTA_ALIGN(rtattr->rta_len);
|
|
if (aligned_rta_len >= len) {
|
|
break;
|
|
}
|
|
len -= aligned_rta_len;
|
|
rtattr = (struct rtattr *)(((char *)rtattr) + aligned_rta_len);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long target_to_host_data_link_rtattr(struct rtattr *rtattr)
|
|
{
|
|
uint32_t *u32;
|
|
|
|
switch (rtattr->rta_type) {
|
|
/* uint32_t */
|
|
case QEMU_IFLA_EXT_MASK:
|
|
u32 = RTA_DATA(rtattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown target QEMU_IFLA type: %d\n",
|
|
rtattr->rta_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long target_to_host_data_addr_rtattr(struct rtattr *rtattr)
|
|
{
|
|
switch (rtattr->rta_type) {
|
|
/* binary: depends on family type */
|
|
case IFA_LOCAL:
|
|
case IFA_ADDRESS:
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown target IFA type: %d\n",
|
|
rtattr->rta_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long target_to_host_data_route_rtattr(struct rtattr *rtattr)
|
|
{
|
|
uint32_t *u32;
|
|
switch (rtattr->rta_type) {
|
|
/* binary: depends on family type */
|
|
case QEMU_RTA_DST:
|
|
case QEMU_RTA_SRC:
|
|
case QEMU_RTA_GATEWAY:
|
|
break;
|
|
/* u32 */
|
|
case QEMU_RTA_PRIORITY:
|
|
case QEMU_RTA_TABLE:
|
|
case QEMU_RTA_OIF:
|
|
u32 = RTA_DATA(rtattr);
|
|
*u32 = tswap32(*u32);
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown target RTA type: %d\n",
|
|
rtattr->rta_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void target_to_host_link_rtattr(struct rtattr *rtattr,
|
|
uint32_t rtattr_len)
|
|
{
|
|
target_to_host_for_each_rtattr(rtattr, rtattr_len,
|
|
target_to_host_data_link_rtattr);
|
|
}
|
|
|
|
static void target_to_host_addr_rtattr(struct rtattr *rtattr,
|
|
uint32_t rtattr_len)
|
|
{
|
|
target_to_host_for_each_rtattr(rtattr, rtattr_len,
|
|
target_to_host_data_addr_rtattr);
|
|
}
|
|
|
|
static void target_to_host_route_rtattr(struct rtattr *rtattr,
|
|
uint32_t rtattr_len)
|
|
{
|
|
target_to_host_for_each_rtattr(rtattr, rtattr_len,
|
|
target_to_host_data_route_rtattr);
|
|
}
|
|
|
|
static abi_long target_to_host_data_route(struct nlmsghdr *nlh)
|
|
{
|
|
struct ifinfomsg *ifi;
|
|
struct ifaddrmsg *ifa;
|
|
struct rtmsg *rtm;
|
|
|
|
switch (nlh->nlmsg_type) {
|
|
case RTM_NEWLINK:
|
|
case RTM_DELLINK:
|
|
case RTM_SETLINK:
|
|
case RTM_GETLINK:
|
|
if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) {
|
|
ifi = NLMSG_DATA(nlh);
|
|
ifi->ifi_type = tswap16(ifi->ifi_type);
|
|
ifi->ifi_index = tswap32(ifi->ifi_index);
|
|
ifi->ifi_flags = tswap32(ifi->ifi_flags);
|
|
ifi->ifi_change = tswap32(ifi->ifi_change);
|
|
target_to_host_link_rtattr(IFLA_RTA(ifi), nlh->nlmsg_len -
|
|
NLMSG_LENGTH(sizeof(*ifi)));
|
|
}
|
|
break;
|
|
case RTM_GETADDR:
|
|
case RTM_NEWADDR:
|
|
case RTM_DELADDR:
|
|
if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) {
|
|
ifa = NLMSG_DATA(nlh);
|
|
ifa->ifa_index = tswap32(ifa->ifa_index);
|
|
target_to_host_addr_rtattr(IFA_RTA(ifa), nlh->nlmsg_len -
|
|
NLMSG_LENGTH(sizeof(*ifa)));
|
|
}
|
|
break;
|
|
case RTM_NEWROUTE:
|
|
case RTM_DELROUTE:
|
|
case RTM_GETROUTE:
|
|
if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) {
|
|
rtm = NLMSG_DATA(nlh);
|
|
rtm->rtm_flags = tswap32(rtm->rtm_flags);
|
|
target_to_host_route_rtattr(RTM_RTA(rtm), nlh->nlmsg_len -
|
|
NLMSG_LENGTH(sizeof(*rtm)));
|
|
}
|
|
break;
|
|
default:
|
|
return -TARGET_EOPNOTSUPP;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static abi_long target_to_host_nlmsg_route(struct nlmsghdr *nlh, size_t len)
|
|
{
|
|
return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_route);
|
|
}
|
|
#endif /* CONFIG_RTNETLINK */
|
|
|
|
static abi_long host_to_target_data_audit(struct nlmsghdr *nlh)
|
|
{
|
|
switch (nlh->nlmsg_type) {
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown host audit message type %d\n",
|
|
nlh->nlmsg_type);
|
|
return -TARGET_EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline abi_long host_to_target_nlmsg_audit(struct nlmsghdr *nlh,
|
|
size_t len)
|
|
{
|
|
return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_audit);
|
|
}
|
|
|
|
static abi_long target_to_host_data_audit(struct nlmsghdr *nlh)
|
|
{
|
|
switch (nlh->nlmsg_type) {
|
|
case AUDIT_USER:
|
|
case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG:
|
|
case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2:
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "Unknown target audit message type %d\n",
|
|
nlh->nlmsg_type);
|
|
return -TARGET_EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static abi_long target_to_host_nlmsg_audit(struct nlmsghdr *nlh, size_t len)
|
|
{
|
|
return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_audit);
|
|
}
|
|
|
|
static abi_long packet_target_to_host_sockaddr(void *host_addr,
|
|
abi_ulong target_addr,
|
|
socklen_t len)
|
|
{
|
|
struct sockaddr *addr = host_addr;
|
|
struct target_sockaddr *target_saddr;
|
|
|
|
target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
|
|
if (!target_saddr) {
|
|
return -TARGET_EFAULT;
|
|
}
|
|
|
|
memcpy(addr, target_saddr, len);
|
|
addr->sa_family = tswap16(target_saddr->sa_family);
|
|
/* spkt_protocol is big-endian */
|
|
|
|
unlock_user(target_saddr, target_addr, 0);
|
|
return 0;
|
|
}
|
|
|
|
TargetFdTrans target_packet_trans = {
|
|
.target_to_host_addr = packet_target_to_host_sockaddr,
|
|
};
|
|
|
|
#ifdef CONFIG_RTNETLINK
|
|
static abi_long netlink_route_target_to_host(void *buf, size_t len)
|
|
{
|
|
abi_long ret;
|
|
|
|
ret = target_to_host_nlmsg_route(buf, len);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
static abi_long netlink_route_host_to_target(void *buf, size_t len)
|
|
{
|
|
abi_long ret;
|
|
|
|
ret = host_to_target_nlmsg_route(buf, len);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
TargetFdTrans target_netlink_route_trans = {
|
|
.target_to_host_data = netlink_route_target_to_host,
|
|
.host_to_target_data = netlink_route_host_to_target,
|
|
};
|
|
#endif /* CONFIG_RTNETLINK */
|
|
|
|
static abi_long netlink_audit_target_to_host(void *buf, size_t len)
|
|
{
|
|
abi_long ret;
|
|
|
|
ret = target_to_host_nlmsg_audit(buf, len);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
static abi_long netlink_audit_host_to_target(void *buf, size_t len)
|
|
{
|
|
abi_long ret;
|
|
|
|
ret = host_to_target_nlmsg_audit(buf, len);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
TargetFdTrans target_netlink_audit_trans = {
|
|
.target_to_host_data = netlink_audit_target_to_host,
|
|
.host_to_target_data = netlink_audit_host_to_target,
|
|
};
|
|
|
|
/* signalfd siginfo conversion */
|
|
|
|
static void
|
|
host_to_target_signalfd_siginfo(struct signalfd_siginfo *tinfo,
|
|
const struct signalfd_siginfo *info)
|
|
{
|
|
int sig = host_to_target_signal(info->ssi_signo);
|
|
|
|
/* linux/signalfd.h defines a ssi_addr_lsb
|
|
* not defined in sys/signalfd.h but used by some kernels
|
|
*/
|
|
|
|
#ifdef BUS_MCEERR_AO
|
|
if (tinfo->ssi_signo == SIGBUS &&
|
|
(tinfo->ssi_code == BUS_MCEERR_AR ||
|
|
tinfo->ssi_code == BUS_MCEERR_AO)) {
|
|
uint16_t *ssi_addr_lsb = (uint16_t *)(&info->ssi_addr + 1);
|
|
uint16_t *tssi_addr_lsb = (uint16_t *)(&tinfo->ssi_addr + 1);
|
|
*tssi_addr_lsb = tswap16(*ssi_addr_lsb);
|
|
}
|
|
#endif
|
|
|
|
tinfo->ssi_signo = tswap32(sig);
|
|
tinfo->ssi_errno = tswap32(tinfo->ssi_errno);
|
|
tinfo->ssi_code = tswap32(info->ssi_code);
|
|
tinfo->ssi_pid = tswap32(info->ssi_pid);
|
|
tinfo->ssi_uid = tswap32(info->ssi_uid);
|
|
tinfo->ssi_fd = tswap32(info->ssi_fd);
|
|
tinfo->ssi_tid = tswap32(info->ssi_tid);
|
|
tinfo->ssi_band = tswap32(info->ssi_band);
|
|
tinfo->ssi_overrun = tswap32(info->ssi_overrun);
|
|
tinfo->ssi_trapno = tswap32(info->ssi_trapno);
|
|
tinfo->ssi_status = tswap32(info->ssi_status);
|
|
tinfo->ssi_int = tswap32(info->ssi_int);
|
|
tinfo->ssi_ptr = tswap64(info->ssi_ptr);
|
|
tinfo->ssi_utime = tswap64(info->ssi_utime);
|
|
tinfo->ssi_stime = tswap64(info->ssi_stime);
|
|
tinfo->ssi_addr = tswap64(info->ssi_addr);
|
|
}
|
|
|
|
static abi_long host_to_target_data_signalfd(void *buf, size_t len)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < len; i += sizeof(struct signalfd_siginfo)) {
|
|
host_to_target_signalfd_siginfo(buf + i, buf + i);
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
TargetFdTrans target_signalfd_trans = {
|
|
.host_to_target_data = host_to_target_data_signalfd,
|
|
};
|
|
|
|
static abi_long swap_data_eventfd(void *buf, size_t len)
|
|
{
|
|
uint64_t *counter = buf;
|
|
int i;
|
|
|
|
if (len < sizeof(uint64_t)) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < len; i += sizeof(uint64_t)) {
|
|
*counter = tswap64(*counter);
|
|
counter++;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
TargetFdTrans target_eventfd_trans = {
|
|
.host_to_target_data = swap_data_eventfd,
|
|
.target_to_host_data = swap_data_eventfd,
|
|
};
|
|
|
|
#if (defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)) || \
|
|
(defined(CONFIG_INOTIFY1) && defined(TARGET_NR_inotify_init1) && \
|
|
defined(__NR_inotify_init1))
|
|
static abi_long host_to_target_data_inotify(void *buf, size_t len)
|
|
{
|
|
struct inotify_event *ev;
|
|
int i;
|
|
uint32_t name_len;
|
|
|
|
for (i = 0; i < len; i += sizeof(struct inotify_event) + name_len) {
|
|
ev = (struct inotify_event *)((char *)buf + i);
|
|
name_len = ev->len;
|
|
|
|
ev->wd = tswap32(ev->wd);
|
|
ev->mask = tswap32(ev->mask);
|
|
ev->cookie = tswap32(ev->cookie);
|
|
ev->len = tswap32(name_len);
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
TargetFdTrans target_inotify_trans = {
|
|
.host_to_target_data = host_to_target_data_inotify,
|
|
};
|
|
#endif
|