| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "qemu/osdep.h" |
| |
| #include <sys/signalfd.h> |
| #include <linux/unistd.h> |
| #include <linux/audit.h> |
| #ifdef CONFIG_INOTIFY |
| #include <sys/inotify.h> |
| #endif |
| #include <linux/netlink.h> |
| #ifdef CONFIG_RTNETLINK |
| #include <linux/rtnetlink.h> |
| #include <linux/if_bridge.h> |
| #endif |
| #include "qemu.h" |
| #include "user-internals.h" |
| #include "fd-trans.h" |
| #include "signal-common.h" |
| |
| enum { |
| QEMU_IFLA_BR_UNSPEC, |
| QEMU_IFLA_BR_FORWARD_DELAY, |
| QEMU_IFLA_BR_HELLO_TIME, |
| QEMU_IFLA_BR_MAX_AGE, |
| QEMU_IFLA_BR_AGEING_TIME, |
| QEMU_IFLA_BR_STP_STATE, |
| QEMU_IFLA_BR_PRIORITY, |
| QEMU_IFLA_BR_VLAN_FILTERING, |
| QEMU_IFLA_BR_VLAN_PROTOCOL, |
| QEMU_IFLA_BR_GROUP_FWD_MASK, |
| QEMU_IFLA_BR_ROOT_ID, |
| QEMU_IFLA_BR_BRIDGE_ID, |
| QEMU_IFLA_BR_ROOT_PORT, |
| QEMU_IFLA_BR_ROOT_PATH_COST, |
| QEMU_IFLA_BR_TOPOLOGY_CHANGE, |
| QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED, |
| QEMU_IFLA_BR_HELLO_TIMER, |
| QEMU_IFLA_BR_TCN_TIMER, |
| QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER, |
| QEMU_IFLA_BR_GC_TIMER, |
| QEMU_IFLA_BR_GROUP_ADDR, |
| QEMU_IFLA_BR_FDB_FLUSH, |
| QEMU_IFLA_BR_MCAST_ROUTER, |
| QEMU_IFLA_BR_MCAST_SNOOPING, |
| QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR, |
| QEMU_IFLA_BR_MCAST_QUERIER, |
| QEMU_IFLA_BR_MCAST_HASH_ELASTICITY, |
| QEMU_IFLA_BR_MCAST_HASH_MAX, |
| QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT, |
| QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT, |
| QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL, |
| QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL, |
| QEMU_IFLA_BR_MCAST_QUERIER_INTVL, |
| QEMU_IFLA_BR_MCAST_QUERY_INTVL, |
| QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, |
| QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL, |
| QEMU_IFLA_BR_NF_CALL_IPTABLES, |
| QEMU_IFLA_BR_NF_CALL_IP6TABLES, |
| QEMU_IFLA_BR_NF_CALL_ARPTABLES, |
| QEMU_IFLA_BR_VLAN_DEFAULT_PVID, |
| QEMU_IFLA_BR_PAD, |
| QEMU_IFLA_BR_VLAN_STATS_ENABLED, |
| QEMU_IFLA_BR_MCAST_STATS_ENABLED, |
| QEMU_IFLA_BR_MCAST_IGMP_VERSION, |
| QEMU_IFLA_BR_MCAST_MLD_VERSION, |
| QEMU_IFLA_BR_VLAN_STATS_PER_PORT, |
| QEMU_IFLA_BR_MULTI_BOOLOPT, |
| QEMU___IFLA_BR_MAX, |
| }; |
| |
| enum { |
| QEMU_IFLA_UNSPEC, |
| QEMU_IFLA_ADDRESS, |
| QEMU_IFLA_BROADCAST, |
| QEMU_IFLA_IFNAME, |
| QEMU_IFLA_MTU, |
| QEMU_IFLA_LINK, |
| QEMU_IFLA_QDISC, |
| QEMU_IFLA_STATS, |
| QEMU_IFLA_COST, |
| QEMU_IFLA_PRIORITY, |
| QEMU_IFLA_MASTER, |
| QEMU_IFLA_WIRELESS, |
| QEMU_IFLA_PROTINFO, |
| QEMU_IFLA_TXQLEN, |
| QEMU_IFLA_MAP, |
| QEMU_IFLA_WEIGHT, |
| QEMU_IFLA_OPERSTATE, |
| QEMU_IFLA_LINKMODE, |
| QEMU_IFLA_LINKINFO, |
| QEMU_IFLA_NET_NS_PID, |
| QEMU_IFLA_IFALIAS, |
| QEMU_IFLA_NUM_VF, |
| QEMU_IFLA_VFINFO_LIST, |
| QEMU_IFLA_STATS64, |
| QEMU_IFLA_VF_PORTS, |
| QEMU_IFLA_PORT_SELF, |
| QEMU_IFLA_AF_SPEC, |
| QEMU_IFLA_GROUP, |
| QEMU_IFLA_NET_NS_FD, |
| QEMU_IFLA_EXT_MASK, |
| QEMU_IFLA_PROMISCUITY, |
| QEMU_IFLA_NUM_TX_QUEUES, |
| QEMU_IFLA_NUM_RX_QUEUES, |
| QEMU_IFLA_CARRIER, |
| QEMU_IFLA_PHYS_PORT_ID, |
| QEMU_IFLA_CARRIER_CHANGES, |
| QEMU_IFLA_PHYS_SWITCH_ID, |
| QEMU_IFLA_LINK_NETNSID, |
| QEMU_IFLA_PHYS_PORT_NAME, |
| QEMU_IFLA_PROTO_DOWN, |
| QEMU_IFLA_GSO_MAX_SEGS, |
| QEMU_IFLA_GSO_MAX_SIZE, |
| QEMU_IFLA_PAD, |
| QEMU_IFLA_XDP, |
| QEMU_IFLA_EVENT, |
| QEMU_IFLA_NEW_NETNSID, |
| QEMU_IFLA_IF_NETNSID, |
| QEMU_IFLA_CARRIER_UP_COUNT, |
| QEMU_IFLA_CARRIER_DOWN_COUNT, |
| QEMU_IFLA_NEW_IFINDEX, |
| QEMU_IFLA_MIN_MTU, |
| QEMU_IFLA_MAX_MTU, |
| QEMU_IFLA_PROP_LIST, |
| QEMU_IFLA_ALT_IFNAME, |
| QEMU_IFLA_PERM_ADDRESS, |
| QEMU_IFLA_PROTO_DOWN_REASON, |
| QEMU_IFLA_PARENT_DEV_NAME, |
| QEMU_IFLA_PARENT_DEV_BUS_NAME, |
| QEMU___IFLA_MAX |
| }; |
| |
| enum { |
| QEMU_IFLA_BRPORT_UNSPEC, |
| QEMU_IFLA_BRPORT_STATE, |
| QEMU_IFLA_BRPORT_PRIORITY, |
| QEMU_IFLA_BRPORT_COST, |
| QEMU_IFLA_BRPORT_MODE, |
| QEMU_IFLA_BRPORT_GUARD, |
| QEMU_IFLA_BRPORT_PROTECT, |
| QEMU_IFLA_BRPORT_FAST_LEAVE, |
| QEMU_IFLA_BRPORT_LEARNING, |
| QEMU_IFLA_BRPORT_UNICAST_FLOOD, |
| QEMU_IFLA_BRPORT_PROXYARP, |
| QEMU_IFLA_BRPORT_LEARNING_SYNC, |
| QEMU_IFLA_BRPORT_PROXYARP_WIFI, |
| QEMU_IFLA_BRPORT_ROOT_ID, |
| QEMU_IFLA_BRPORT_BRIDGE_ID, |
| QEMU_IFLA_BRPORT_DESIGNATED_PORT, |
| QEMU_IFLA_BRPORT_DESIGNATED_COST, |
| QEMU_IFLA_BRPORT_ID, |
| QEMU_IFLA_BRPORT_NO, |
| QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, |
| QEMU_IFLA_BRPORT_CONFIG_PENDING, |
| QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER, |
| QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER, |
| QEMU_IFLA_BRPORT_HOLD_TIMER, |
| QEMU_IFLA_BRPORT_FLUSH, |
| QEMU_IFLA_BRPORT_MULTICAST_ROUTER, |
| QEMU_IFLA_BRPORT_PAD, |
| QEMU_IFLA_BRPORT_MCAST_FLOOD, |
| QEMU_IFLA_BRPORT_MCAST_TO_UCAST, |
| QEMU_IFLA_BRPORT_VLAN_TUNNEL, |
| QEMU_IFLA_BRPORT_BCAST_FLOOD, |
| QEMU_IFLA_BRPORT_GROUP_FWD_MASK, |
| QEMU_IFLA_BRPORT_NEIGH_SUPPRESS, |
| QEMU_IFLA_BRPORT_ISOLATED, |
| QEMU_IFLA_BRPORT_BACKUP_PORT, |
| QEMU_IFLA_BRPORT_MRP_RING_OPEN, |
| QEMU_IFLA_BRPORT_MRP_IN_OPEN, |
| QEMU___IFLA_BRPORT_MAX |
| }; |
| |
| enum { |
| QEMU_IFLA_TUN_UNSPEC, |
| QEMU_IFLA_TUN_OWNER, |
| QEMU_IFLA_TUN_GROUP, |
| QEMU_IFLA_TUN_TYPE, |
| QEMU_IFLA_TUN_PI, |
| QEMU_IFLA_TUN_VNET_HDR, |
| QEMU_IFLA_TUN_PERSIST, |
| QEMU_IFLA_TUN_MULTI_QUEUE, |
| QEMU_IFLA_TUN_NUM_QUEUES, |
| QEMU_IFLA_TUN_NUM_DISABLED_QUEUES, |
| QEMU___IFLA_TUN_MAX, |
| }; |
| |
| enum { |
| QEMU_IFLA_INFO_UNSPEC, |
| QEMU_IFLA_INFO_KIND, |
| QEMU_IFLA_INFO_DATA, |
| QEMU_IFLA_INFO_XSTATS, |
| QEMU_IFLA_INFO_SLAVE_KIND, |
| QEMU_IFLA_INFO_SLAVE_DATA, |
| QEMU___IFLA_INFO_MAX, |
| }; |
| |
| enum { |
| QEMU_IFLA_INET_UNSPEC, |
| QEMU_IFLA_INET_CONF, |
| QEMU___IFLA_INET_MAX, |
| }; |
| |
| enum { |
| QEMU_IFLA_INET6_UNSPEC, |
| QEMU_IFLA_INET6_FLAGS, |
| QEMU_IFLA_INET6_CONF, |
| QEMU_IFLA_INET6_STATS, |
| QEMU_IFLA_INET6_MCAST, |
| QEMU_IFLA_INET6_CACHEINFO, |
| QEMU_IFLA_INET6_ICMP6STATS, |
| QEMU_IFLA_INET6_TOKEN, |
| QEMU_IFLA_INET6_ADDR_GEN_MODE, |
| QEMU___IFLA_INET6_MAX |
| }; |
| |
| enum { |
| QEMU_IFLA_XDP_UNSPEC, |
| QEMU_IFLA_XDP_FD, |
| QEMU_IFLA_XDP_ATTACHED, |
| QEMU_IFLA_XDP_FLAGS, |
| QEMU_IFLA_XDP_PROG_ID, |
| QEMU___IFLA_XDP_MAX, |
| }; |
| |
| enum { |
| QEMU_RTA_UNSPEC, |
| QEMU_RTA_DST, |
| QEMU_RTA_SRC, |
| QEMU_RTA_IIF, |
| QEMU_RTA_OIF, |
| QEMU_RTA_GATEWAY, |
| QEMU_RTA_PRIORITY, |
| QEMU_RTA_PREFSRC, |
| QEMU_RTA_METRICS, |
| QEMU_RTA_MULTIPATH, |
| QEMU_RTA_PROTOINFO, /* no longer used */ |
| QEMU_RTA_FLOW, |
| QEMU_RTA_CACHEINFO, |
| QEMU_RTA_SESSION, /* no longer used */ |
| QEMU_RTA_MP_ALGO, /* no longer used */ |
| QEMU_RTA_TABLE, |
| QEMU_RTA_MARK, |
| QEMU_RTA_MFC_STATS, |
| QEMU_RTA_VIA, |
| QEMU_RTA_NEWDST, |
| QEMU_RTA_PREF, |
| QEMU_RTA_ENCAP_TYPE, |
| QEMU_RTA_ENCAP, |
| QEMU_RTA_EXPIRES, |
| QEMU_RTA_PAD, |
| QEMU_RTA_UID, |
| QEMU_RTA_TTL_PROPAGATE, |
| QEMU_RTA_IP_PROTO, |
| QEMU_RTA_SPORT, |
| QEMU_RTA_DPORT, |
| QEMU___RTA_MAX |
| }; |
| |
| TargetFdTrans **target_fd_trans; |
| QemuMutex target_fd_trans_lock; |
| unsigned int target_fd_max; |
| |
| static void tswap_nlmsghdr(struct nlmsghdr *nlh) |
| { |
| nlh->nlmsg_len = tswap32(nlh->nlmsg_len); |
| nlh->nlmsg_type = tswap16(nlh->nlmsg_type); |
| nlh->nlmsg_flags = tswap16(nlh->nlmsg_flags); |
| nlh->nlmsg_seq = tswap32(nlh->nlmsg_seq); |
| nlh->nlmsg_pid = tswap32(nlh->nlmsg_pid); |
| } |
| |
| static abi_long host_to_target_for_each_nlmsg(struct nlmsghdr *nlh, |
| size_t len, |
| abi_long (*host_to_target_nlmsg) |
| (struct nlmsghdr *)) |
| { |
| uint32_t nlmsg_len; |
| uint32_t aligned_nlmsg_len; |
| abi_long ret; |
| |
| while (len > sizeof(struct nlmsghdr)) { |
| |
| nlmsg_len = nlh->nlmsg_len; |
| if (nlmsg_len < sizeof(struct nlmsghdr) || |
| nlmsg_len > len) { |
| break; |
| } |
| |
| switch (nlh->nlmsg_type) { |
| case NLMSG_DONE: |
| tswap_nlmsghdr(nlh); |
| return 0; |
| case NLMSG_NOOP: |
| break; |
| case NLMSG_ERROR: |
| { |
| struct nlmsgerr *e = NLMSG_DATA(nlh); |
| e->error = tswap32(e->error); |
| tswap_nlmsghdr(&e->msg); |
| tswap_nlmsghdr(nlh); |
| return 0; |
| } |
| default: |
| ret = host_to_target_nlmsg(nlh); |
| if (ret < 0) { |
| tswap_nlmsghdr(nlh); |
| return ret; |
| } |
| break; |
| } |
| tswap_nlmsghdr(nlh); |
| |
| aligned_nlmsg_len = NLMSG_ALIGN(nlmsg_len); |
| if (aligned_nlmsg_len >= len) { |
| break; |
| } |
| len -= aligned_nlmsg_len; |
| nlh = (struct nlmsghdr *)(((char*)nlh) + aligned_nlmsg_len); |
| } |
| return 0; |
| } |
| |
| static abi_long target_to_host_for_each_nlmsg(struct nlmsghdr *nlh, |
| size_t len, |
| abi_long (*target_to_host_nlmsg) |
| (struct nlmsghdr *)) |
| { |
| uint32_t aligned_nlmsg_len; |
| int ret; |
| |
| while (len > sizeof(struct nlmsghdr)) { |
| if (tswap32(nlh->nlmsg_len) < sizeof(struct nlmsghdr) || |
| tswap32(nlh->nlmsg_len) > len) { |
| break; |
| } |
| tswap_nlmsghdr(nlh); |
| switch (nlh->nlmsg_type) { |
| case NLMSG_DONE: |
| return 0; |
| case NLMSG_NOOP: |
| break; |
| case NLMSG_ERROR: |
| { |
| struct nlmsgerr *e = NLMSG_DATA(nlh); |
| e->error = tswap32(e->error); |
| tswap_nlmsghdr(&e->msg); |
| return 0; |
| } |
| default: |
| ret = target_to_host_nlmsg(nlh); |
| if (ret < 0) { |
| return ret; |
| } |
| } |
| |
| aligned_nlmsg_len = NLMSG_ALIGN(nlh->nlmsg_len); |
| if (aligned_nlmsg_len >= len) { |
| break; |
| } |
| len -= aligned_nlmsg_len; |
| nlh = (struct nlmsghdr *)(((char *)nlh) + aligned_nlmsg_len); |
| } |
| return 0; |
| } |
| |
| #ifdef CONFIG_RTNETLINK |
| static abi_long host_to_target_for_each_nlattr(struct nlattr *nlattr, |
| size_t len, void *context, |
| abi_long (*host_to_target_nlattr) |
| (struct nlattr *, |
| void *context)) |
| { |
| unsigned short nla_len; |
| unsigned short aligned_nla_len; |
| abi_long ret; |
| |
| while (len > sizeof(struct nlattr)) { |
| nla_len = nlattr->nla_len; |
| if (nla_len < sizeof(struct nlattr) || |
| nla_len > len) { |
| break; |
| } |
| ret = host_to_target_nlattr(nlattr, context); |
| nlattr->nla_len = tswap16(nlattr->nla_len); |
| nlattr->nla_type = tswap16(nlattr->nla_type); |
| if (ret < 0) { |
| return ret; |
| } |
| |
| aligned_nla_len = NLA_ALIGN(nla_len); |
| if (aligned_nla_len >= len) { |
| break; |
| } |
| len -= aligned_nla_len; |
| nlattr = (struct nlattr *)(((char *)nlattr) + aligned_nla_len); |
| } |
| return 0; |
| } |
| |
| static abi_long host_to_target_for_each_rtattr(struct rtattr *rtattr, |
| size_t len, |
| abi_long (*host_to_target_rtattr) |
| (struct rtattr *)) |
| { |
| unsigned short rta_len; |
| unsigned short aligned_rta_len; |
| abi_long ret; |
| |
| while (len > sizeof(struct rtattr)) { |
| rta_len = rtattr->rta_len; |
| if (rta_len < sizeof(struct rtattr) || |
| rta_len > len) { |
| break; |
| } |
| ret = host_to_target_rtattr(rtattr); |
| rtattr->rta_len = tswap16(rtattr->rta_len); |
| rtattr->rta_type = tswap16(rtattr->rta_type); |
| if (ret < 0) { |
| return ret; |
| } |
| |
| aligned_rta_len = RTA_ALIGN(rta_len); |
| if (aligned_rta_len >= len) { |
| break; |
| } |
| len -= aligned_rta_len; |
| rtattr = (struct rtattr *)(((char *)rtattr) + aligned_rta_len); |
| } |
| return 0; |
| } |
| |
| #define NLA_DATA(nla) ((void *)((char *)(nla)) + NLA_HDRLEN) |
| |
| static abi_long host_to_target_data_bridge_nlattr(struct nlattr *nlattr, |
| void *context) |
| { |
| uint16_t *u16; |
| uint32_t *u32; |
| uint64_t *u64; |
| |
| switch (nlattr->nla_type) { |
| /* no data */ |
| 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: |
| case QEMU_IFLA_PHYS_PORT_ID: |
| /* string */ |
| case QEMU_IFLA_IFNAME: |
| case QEMU_IFLA_QDISC: |
| case QEMU_IFLA_PARENT_DEV_NAME: |
| case QEMU_IFLA_PARENT_DEV_BUS_NAME: |
| 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 |
