Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1 | /* |
| 2 | * This program is free software; you can redistribute it and/or modify |
| 3 | * it under the terms of the GNU General Public License as published by |
| 4 | * the Free Software Foundation; either version 2 of the License, or |
| 5 | * (at your option) any later version. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | * You should have received a copy of the GNU General Public License |
| 13 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 14 | */ |
| 15 | |
| 16 | #include "qemu/osdep.h" |
| 17 | |
| 18 | #include <sys/signalfd.h> |
| 19 | #include <linux/unistd.h> |
| 20 | #include <linux/audit.h> |
| 21 | #ifdef CONFIG_INOTIFY |
| 22 | #include <sys/inotify.h> |
| 23 | #endif |
| 24 | #include <linux/netlink.h> |
| 25 | #ifdef CONFIG_RTNETLINK |
| 26 | #include <linux/rtnetlink.h> |
| 27 | #include <linux/if_bridge.h> |
| 28 | #endif |
| 29 | #include "qemu.h" |
Peter Maydell | 3b249d2 | 2021-09-08 16:44:03 +0100 | [diff] [blame] | 30 | #include "user-internals.h" |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 31 | #include "fd-trans.h" |
Peter Maydell | 2113aed | 2021-09-08 16:43:59 +0100 | [diff] [blame] | 32 | #include "signal-common.h" |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 33 | |
| 34 | enum { |
| 35 | QEMU_IFLA_BR_UNSPEC, |
| 36 | QEMU_IFLA_BR_FORWARD_DELAY, |
| 37 | QEMU_IFLA_BR_HELLO_TIME, |
| 38 | QEMU_IFLA_BR_MAX_AGE, |
| 39 | QEMU_IFLA_BR_AGEING_TIME, |
| 40 | QEMU_IFLA_BR_STP_STATE, |
| 41 | QEMU_IFLA_BR_PRIORITY, |
| 42 | QEMU_IFLA_BR_VLAN_FILTERING, |
| 43 | QEMU_IFLA_BR_VLAN_PROTOCOL, |
| 44 | QEMU_IFLA_BR_GROUP_FWD_MASK, |
| 45 | QEMU_IFLA_BR_ROOT_ID, |
| 46 | QEMU_IFLA_BR_BRIDGE_ID, |
| 47 | QEMU_IFLA_BR_ROOT_PORT, |
| 48 | QEMU_IFLA_BR_ROOT_PATH_COST, |
| 49 | QEMU_IFLA_BR_TOPOLOGY_CHANGE, |
| 50 | QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED, |
| 51 | QEMU_IFLA_BR_HELLO_TIMER, |
| 52 | QEMU_IFLA_BR_TCN_TIMER, |
| 53 | QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER, |
| 54 | QEMU_IFLA_BR_GC_TIMER, |
| 55 | QEMU_IFLA_BR_GROUP_ADDR, |
| 56 | QEMU_IFLA_BR_FDB_FLUSH, |
| 57 | QEMU_IFLA_BR_MCAST_ROUTER, |
| 58 | QEMU_IFLA_BR_MCAST_SNOOPING, |
| 59 | QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR, |
| 60 | QEMU_IFLA_BR_MCAST_QUERIER, |
| 61 | QEMU_IFLA_BR_MCAST_HASH_ELASTICITY, |
| 62 | QEMU_IFLA_BR_MCAST_HASH_MAX, |
| 63 | QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT, |
| 64 | QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT, |
| 65 | QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL, |
| 66 | QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL, |
| 67 | QEMU_IFLA_BR_MCAST_QUERIER_INTVL, |
| 68 | QEMU_IFLA_BR_MCAST_QUERY_INTVL, |
| 69 | QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, |
| 70 | QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL, |
| 71 | QEMU_IFLA_BR_NF_CALL_IPTABLES, |
| 72 | QEMU_IFLA_BR_NF_CALL_IP6TABLES, |
| 73 | QEMU_IFLA_BR_NF_CALL_ARPTABLES, |
| 74 | QEMU_IFLA_BR_VLAN_DEFAULT_PVID, |
| 75 | QEMU_IFLA_BR_PAD, |
| 76 | QEMU_IFLA_BR_VLAN_STATS_ENABLED, |
| 77 | QEMU_IFLA_BR_MCAST_STATS_ENABLED, |
| 78 | QEMU_IFLA_BR_MCAST_IGMP_VERSION, |
| 79 | QEMU_IFLA_BR_MCAST_MLD_VERSION, |
Laurent Vivier | 61b463f | 2019-03-06 21:09:25 +0100 | [diff] [blame] | 80 | QEMU_IFLA_BR_VLAN_STATS_PER_PORT, |
| 81 | QEMU_IFLA_BR_MULTI_BOOLOPT, |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 82 | QEMU___IFLA_BR_MAX, |
| 83 | }; |
| 84 | |
| 85 | enum { |
| 86 | QEMU_IFLA_UNSPEC, |
| 87 | QEMU_IFLA_ADDRESS, |
| 88 | QEMU_IFLA_BROADCAST, |
| 89 | QEMU_IFLA_IFNAME, |
| 90 | QEMU_IFLA_MTU, |
| 91 | QEMU_IFLA_LINK, |
| 92 | QEMU_IFLA_QDISC, |
| 93 | QEMU_IFLA_STATS, |
| 94 | QEMU_IFLA_COST, |
| 95 | QEMU_IFLA_PRIORITY, |
| 96 | QEMU_IFLA_MASTER, |
| 97 | QEMU_IFLA_WIRELESS, |
| 98 | QEMU_IFLA_PROTINFO, |
| 99 | QEMU_IFLA_TXQLEN, |
| 100 | QEMU_IFLA_MAP, |
| 101 | QEMU_IFLA_WEIGHT, |
| 102 | QEMU_IFLA_OPERSTATE, |
| 103 | QEMU_IFLA_LINKMODE, |
| 104 | QEMU_IFLA_LINKINFO, |
| 105 | QEMU_IFLA_NET_NS_PID, |
| 106 | QEMU_IFLA_IFALIAS, |
| 107 | QEMU_IFLA_NUM_VF, |
| 108 | QEMU_IFLA_VFINFO_LIST, |
| 109 | QEMU_IFLA_STATS64, |
| 110 | QEMU_IFLA_VF_PORTS, |
| 111 | QEMU_IFLA_PORT_SELF, |
| 112 | QEMU_IFLA_AF_SPEC, |
| 113 | QEMU_IFLA_GROUP, |
| 114 | QEMU_IFLA_NET_NS_FD, |
| 115 | QEMU_IFLA_EXT_MASK, |
| 116 | QEMU_IFLA_PROMISCUITY, |
| 117 | QEMU_IFLA_NUM_TX_QUEUES, |
| 118 | QEMU_IFLA_NUM_RX_QUEUES, |
| 119 | QEMU_IFLA_CARRIER, |
| 120 | QEMU_IFLA_PHYS_PORT_ID, |
| 121 | QEMU_IFLA_CARRIER_CHANGES, |
| 122 | QEMU_IFLA_PHYS_SWITCH_ID, |
| 123 | QEMU_IFLA_LINK_NETNSID, |
| 124 | QEMU_IFLA_PHYS_PORT_NAME, |
| 125 | QEMU_IFLA_PROTO_DOWN, |
| 126 | QEMU_IFLA_GSO_MAX_SEGS, |
| 127 | QEMU_IFLA_GSO_MAX_SIZE, |
| 128 | QEMU_IFLA_PAD, |
| 129 | QEMU_IFLA_XDP, |
| 130 | QEMU_IFLA_EVENT, |
| 131 | QEMU_IFLA_NEW_NETNSID, |
| 132 | QEMU_IFLA_IF_NETNSID, |
| 133 | QEMU_IFLA_CARRIER_UP_COUNT, |
| 134 | QEMU_IFLA_CARRIER_DOWN_COUNT, |
| 135 | QEMU_IFLA_NEW_IFINDEX, |
Laurent Vivier | 0f5faca | 2019-02-06 20:32:11 +0100 | [diff] [blame] | 136 | QEMU_IFLA_MIN_MTU, |
| 137 | QEMU_IFLA_MAX_MTU, |
Laurent Vivier | d9679ee | 2020-07-09 09:23:31 +0200 | [diff] [blame] | 138 | QEMU_IFLA_PROP_LIST, |
| 139 | QEMU_IFLA_ALT_IFNAME, |
| 140 | QEMU_IFLA_PERM_ADDRESS, |
Laurent Vivier | 312aef9 | 2021-12-19 16:45:12 +0100 | [diff] [blame] | 141 | QEMU_IFLA_PROTO_DOWN_REASON, |
| 142 | QEMU_IFLA_PARENT_DEV_NAME, |
| 143 | QEMU_IFLA_PARENT_DEV_BUS_NAME, |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 144 | QEMU___IFLA_MAX |
| 145 | }; |
| 146 | |
| 147 | enum { |
| 148 | QEMU_IFLA_BRPORT_UNSPEC, |
| 149 | QEMU_IFLA_BRPORT_STATE, |
| 150 | QEMU_IFLA_BRPORT_PRIORITY, |
| 151 | QEMU_IFLA_BRPORT_COST, |
| 152 | QEMU_IFLA_BRPORT_MODE, |
| 153 | QEMU_IFLA_BRPORT_GUARD, |
| 154 | QEMU_IFLA_BRPORT_PROTECT, |
| 155 | QEMU_IFLA_BRPORT_FAST_LEAVE, |
| 156 | QEMU_IFLA_BRPORT_LEARNING, |
| 157 | QEMU_IFLA_BRPORT_UNICAST_FLOOD, |
| 158 | QEMU_IFLA_BRPORT_PROXYARP, |
| 159 | QEMU_IFLA_BRPORT_LEARNING_SYNC, |
| 160 | QEMU_IFLA_BRPORT_PROXYARP_WIFI, |
| 161 | QEMU_IFLA_BRPORT_ROOT_ID, |
| 162 | QEMU_IFLA_BRPORT_BRIDGE_ID, |
| 163 | QEMU_IFLA_BRPORT_DESIGNATED_PORT, |
| 164 | QEMU_IFLA_BRPORT_DESIGNATED_COST, |
| 165 | QEMU_IFLA_BRPORT_ID, |
| 166 | QEMU_IFLA_BRPORT_NO, |
| 167 | QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, |
| 168 | QEMU_IFLA_BRPORT_CONFIG_PENDING, |
| 169 | QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER, |
| 170 | QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER, |
| 171 | QEMU_IFLA_BRPORT_HOLD_TIMER, |
| 172 | QEMU_IFLA_BRPORT_FLUSH, |
| 173 | QEMU_IFLA_BRPORT_MULTICAST_ROUTER, |
| 174 | QEMU_IFLA_BRPORT_PAD, |
| 175 | QEMU_IFLA_BRPORT_MCAST_FLOOD, |
| 176 | QEMU_IFLA_BRPORT_MCAST_TO_UCAST, |
| 177 | QEMU_IFLA_BRPORT_VLAN_TUNNEL, |
| 178 | QEMU_IFLA_BRPORT_BCAST_FLOOD, |
| 179 | QEMU_IFLA_BRPORT_GROUP_FWD_MASK, |
| 180 | QEMU_IFLA_BRPORT_NEIGH_SUPPRESS, |
Laurent Vivier | 0f5faca | 2019-02-06 20:32:11 +0100 | [diff] [blame] | 181 | QEMU_IFLA_BRPORT_ISOLATED, |
| 182 | QEMU_IFLA_BRPORT_BACKUP_PORT, |
Laurent Vivier | 5351f40 | 2020-11-17 12:19:05 +0100 | [diff] [blame] | 183 | QEMU_IFLA_BRPORT_MRP_RING_OPEN, |
| 184 | QEMU_IFLA_BRPORT_MRP_IN_OPEN, |
Laurent Vivier | f0effdb | 2021-12-19 16:45:14 +0100 | [diff] [blame] | 185 | QEMU_IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT, |
| 186 | QEMU_IFLA_BRPORT_MCAST_EHT_HOSTS_CNT, |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 187 | QEMU___IFLA_BRPORT_MAX |
| 188 | }; |
| 189 | |
| 190 | enum { |
| 191 | QEMU_IFLA_TUN_UNSPEC, |
| 192 | QEMU_IFLA_TUN_OWNER, |
| 193 | QEMU_IFLA_TUN_GROUP, |
| 194 | QEMU_IFLA_TUN_TYPE, |
| 195 | QEMU_IFLA_TUN_PI, |
| 196 | QEMU_IFLA_TUN_VNET_HDR, |
| 197 | QEMU_IFLA_TUN_PERSIST, |
| 198 | QEMU_IFLA_TUN_MULTI_QUEUE, |
| 199 | QEMU_IFLA_TUN_NUM_QUEUES, |
| 200 | QEMU_IFLA_TUN_NUM_DISABLED_QUEUES, |
| 201 | QEMU___IFLA_TUN_MAX, |
| 202 | }; |
| 203 | |
| 204 | enum { |
| 205 | QEMU_IFLA_INFO_UNSPEC, |
| 206 | QEMU_IFLA_INFO_KIND, |
| 207 | QEMU_IFLA_INFO_DATA, |
| 208 | QEMU_IFLA_INFO_XSTATS, |
| 209 | QEMU_IFLA_INFO_SLAVE_KIND, |
| 210 | QEMU_IFLA_INFO_SLAVE_DATA, |
| 211 | QEMU___IFLA_INFO_MAX, |
| 212 | }; |
| 213 | |
| 214 | enum { |
| 215 | QEMU_IFLA_INET_UNSPEC, |
| 216 | QEMU_IFLA_INET_CONF, |
| 217 | QEMU___IFLA_INET_MAX, |
| 218 | }; |
| 219 | |
| 220 | enum { |
| 221 | QEMU_IFLA_INET6_UNSPEC, |
| 222 | QEMU_IFLA_INET6_FLAGS, |
| 223 | QEMU_IFLA_INET6_CONF, |
| 224 | QEMU_IFLA_INET6_STATS, |
| 225 | QEMU_IFLA_INET6_MCAST, |
| 226 | QEMU_IFLA_INET6_CACHEINFO, |
| 227 | QEMU_IFLA_INET6_ICMP6STATS, |
| 228 | QEMU_IFLA_INET6_TOKEN, |
| 229 | QEMU_IFLA_INET6_ADDR_GEN_MODE, |
| 230 | QEMU___IFLA_INET6_MAX |
| 231 | }; |
| 232 | |
| 233 | enum { |
| 234 | QEMU_IFLA_XDP_UNSPEC, |
| 235 | QEMU_IFLA_XDP_FD, |
| 236 | QEMU_IFLA_XDP_ATTACHED, |
| 237 | QEMU_IFLA_XDP_FLAGS, |
| 238 | QEMU_IFLA_XDP_PROG_ID, |
| 239 | QEMU___IFLA_XDP_MAX, |
| 240 | }; |
| 241 | |
| 242 | enum { |
| 243 | QEMU_RTA_UNSPEC, |
| 244 | QEMU_RTA_DST, |
| 245 | QEMU_RTA_SRC, |
| 246 | QEMU_RTA_IIF, |
| 247 | QEMU_RTA_OIF, |
| 248 | QEMU_RTA_GATEWAY, |
| 249 | QEMU_RTA_PRIORITY, |
| 250 | QEMU_RTA_PREFSRC, |
| 251 | QEMU_RTA_METRICS, |
| 252 | QEMU_RTA_MULTIPATH, |
| 253 | QEMU_RTA_PROTOINFO, /* no longer used */ |
| 254 | QEMU_RTA_FLOW, |
| 255 | QEMU_RTA_CACHEINFO, |
| 256 | QEMU_RTA_SESSION, /* no longer used */ |
| 257 | QEMU_RTA_MP_ALGO, /* no longer used */ |
| 258 | QEMU_RTA_TABLE, |
| 259 | QEMU_RTA_MARK, |
| 260 | QEMU_RTA_MFC_STATS, |
| 261 | QEMU_RTA_VIA, |
| 262 | QEMU_RTA_NEWDST, |
| 263 | QEMU_RTA_PREF, |
| 264 | QEMU_RTA_ENCAP_TYPE, |
| 265 | QEMU_RTA_ENCAP, |
| 266 | QEMU_RTA_EXPIRES, |
| 267 | QEMU_RTA_PAD, |
| 268 | QEMU_RTA_UID, |
| 269 | QEMU_RTA_TTL_PROPAGATE, |
| 270 | QEMU_RTA_IP_PROTO, |
| 271 | QEMU_RTA_SPORT, |
| 272 | QEMU_RTA_DPORT, |
| 273 | QEMU___RTA_MAX |
| 274 | }; |
| 275 | |
Laurent Vivier | a994786 | 2021-12-19 16:45:13 +0100 | [diff] [blame] | 276 | enum { |
| 277 | QEMU_IFLA_VF_STATS_RX_PACKETS, |
| 278 | QEMU_IFLA_VF_STATS_TX_PACKETS, |
| 279 | QEMU_IFLA_VF_STATS_RX_BYTES, |
| 280 | QEMU_IFLA_VF_STATS_TX_BYTES, |
| 281 | QEMU_IFLA_VF_STATS_BROADCAST, |
| 282 | QEMU_IFLA_VF_STATS_MULTICAST, |
| 283 | QEMU_IFLA_VF_STATS_PAD, |
| 284 | QEMU_IFLA_VF_STATS_RX_DROPPED, |
| 285 | QEMU_IFLA_VF_STATS_TX_DROPPED, |
| 286 | QEMU__IFLA_VF_STATS_MAX, |
| 287 | }; |
| 288 | |
| 289 | enum { |
| 290 | QEMU_IFLA_VF_UNSPEC, |
| 291 | QEMU_IFLA_VF_MAC, |
| 292 | QEMU_IFLA_VF_VLAN, |
| 293 | QEMU_IFLA_VF_TX_RATE, |
| 294 | QEMU_IFLA_VF_SPOOFCHK, |
| 295 | QEMU_IFLA_VF_LINK_STATE, |
| 296 | QEMU_IFLA_VF_RATE, |
| 297 | QEMU_IFLA_VF_RSS_QUERY_EN, |
| 298 | QEMU_IFLA_VF_STATS, |
| 299 | QEMU_IFLA_VF_TRUST, |
| 300 | QEMU_IFLA_VF_IB_NODE_GUID, |
| 301 | QEMU_IFLA_VF_IB_PORT_GUID, |
| 302 | QEMU_IFLA_VF_VLAN_LIST, |
| 303 | QEMU_IFLA_VF_BROADCAST, |
| 304 | QEMU__IFLA_VF_MAX, |
| 305 | }; |
| 306 | |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 307 | TargetFdTrans **target_fd_trans; |
Owen Anderson | c093364 | 2021-07-01 22:12:55 +0000 | [diff] [blame] | 308 | QemuMutex target_fd_trans_lock; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 309 | unsigned int target_fd_max; |
| 310 | |
| 311 | static void tswap_nlmsghdr(struct nlmsghdr *nlh) |
| 312 | { |
| 313 | nlh->nlmsg_len = tswap32(nlh->nlmsg_len); |
| 314 | nlh->nlmsg_type = tswap16(nlh->nlmsg_type); |
| 315 | nlh->nlmsg_flags = tswap16(nlh->nlmsg_flags); |
| 316 | nlh->nlmsg_seq = tswap32(nlh->nlmsg_seq); |
| 317 | nlh->nlmsg_pid = tswap32(nlh->nlmsg_pid); |
| 318 | } |
| 319 | |
| 320 | static abi_long host_to_target_for_each_nlmsg(struct nlmsghdr *nlh, |
| 321 | size_t len, |
| 322 | abi_long (*host_to_target_nlmsg) |
| 323 | (struct nlmsghdr *)) |
| 324 | { |
| 325 | uint32_t nlmsg_len; |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 326 | uint32_t aligned_nlmsg_len; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 327 | abi_long ret; |
| 328 | |
| 329 | while (len > sizeof(struct nlmsghdr)) { |
| 330 | |
| 331 | nlmsg_len = nlh->nlmsg_len; |
| 332 | if (nlmsg_len < sizeof(struct nlmsghdr) || |
| 333 | nlmsg_len > len) { |
| 334 | break; |
| 335 | } |
| 336 | |
| 337 | switch (nlh->nlmsg_type) { |
| 338 | case NLMSG_DONE: |
| 339 | tswap_nlmsghdr(nlh); |
| 340 | return 0; |
| 341 | case NLMSG_NOOP: |
| 342 | break; |
| 343 | case NLMSG_ERROR: |
| 344 | { |
| 345 | struct nlmsgerr *e = NLMSG_DATA(nlh); |
| 346 | e->error = tswap32(e->error); |
| 347 | tswap_nlmsghdr(&e->msg); |
| 348 | tswap_nlmsghdr(nlh); |
| 349 | return 0; |
| 350 | } |
| 351 | default: |
| 352 | ret = host_to_target_nlmsg(nlh); |
| 353 | if (ret < 0) { |
| 354 | tswap_nlmsghdr(nlh); |
| 355 | return ret; |
| 356 | } |
| 357 | break; |
| 358 | } |
| 359 | tswap_nlmsghdr(nlh); |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 360 | |
| 361 | aligned_nlmsg_len = NLMSG_ALIGN(nlmsg_len); |
| 362 | if (aligned_nlmsg_len >= len) { |
| 363 | break; |
| 364 | } |
| 365 | len -= aligned_nlmsg_len; |
| 366 | nlh = (struct nlmsghdr *)(((char*)nlh) + aligned_nlmsg_len); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 367 | } |
| 368 | return 0; |
| 369 | } |
| 370 | |
| 371 | static abi_long target_to_host_for_each_nlmsg(struct nlmsghdr *nlh, |
| 372 | size_t len, |
| 373 | abi_long (*target_to_host_nlmsg) |
| 374 | (struct nlmsghdr *)) |
| 375 | { |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 376 | uint32_t aligned_nlmsg_len; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 377 | int ret; |
| 378 | |
| 379 | while (len > sizeof(struct nlmsghdr)) { |
| 380 | if (tswap32(nlh->nlmsg_len) < sizeof(struct nlmsghdr) || |
| 381 | tswap32(nlh->nlmsg_len) > len) { |
| 382 | break; |
| 383 | } |
| 384 | tswap_nlmsghdr(nlh); |
| 385 | switch (nlh->nlmsg_type) { |
| 386 | case NLMSG_DONE: |
| 387 | return 0; |
| 388 | case NLMSG_NOOP: |
| 389 | break; |
| 390 | case NLMSG_ERROR: |
| 391 | { |
| 392 | struct nlmsgerr *e = NLMSG_DATA(nlh); |
| 393 | e->error = tswap32(e->error); |
| 394 | tswap_nlmsghdr(&e->msg); |
| 395 | return 0; |
| 396 | } |
| 397 | default: |
| 398 | ret = target_to_host_nlmsg(nlh); |
| 399 | if (ret < 0) { |
| 400 | return ret; |
| 401 | } |
| 402 | } |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 403 | |
| 404 | aligned_nlmsg_len = NLMSG_ALIGN(nlh->nlmsg_len); |
| 405 | if (aligned_nlmsg_len >= len) { |
| 406 | break; |
| 407 | } |
| 408 | len -= aligned_nlmsg_len; |
| 409 | nlh = (struct nlmsghdr *)(((char *)nlh) + aligned_nlmsg_len); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 410 | } |
| 411 | return 0; |
| 412 | } |
| 413 | |
| 414 | #ifdef CONFIG_RTNETLINK |
| 415 | static abi_long host_to_target_for_each_nlattr(struct nlattr *nlattr, |
| 416 | size_t len, void *context, |
| 417 | abi_long (*host_to_target_nlattr) |
| 418 | (struct nlattr *, |
| 419 | void *context)) |
| 420 | { |
| 421 | unsigned short nla_len; |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 422 | unsigned short aligned_nla_len; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 423 | abi_long ret; |
| 424 | |
| 425 | while (len > sizeof(struct nlattr)) { |
| 426 | nla_len = nlattr->nla_len; |
| 427 | if (nla_len < sizeof(struct nlattr) || |
| 428 | nla_len > len) { |
| 429 | break; |
| 430 | } |
| 431 | ret = host_to_target_nlattr(nlattr, context); |
| 432 | nlattr->nla_len = tswap16(nlattr->nla_len); |
| 433 | nlattr->nla_type = tswap16(nlattr->nla_type); |
| 434 | if (ret < 0) { |
| 435 | return ret; |
| 436 | } |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 437 | |
| 438 | aligned_nla_len = NLA_ALIGN(nla_len); |
| 439 | if (aligned_nla_len >= len) { |
| 440 | break; |
| 441 | } |
| 442 | len -= aligned_nla_len; |
| 443 | nlattr = (struct nlattr *)(((char *)nlattr) + aligned_nla_len); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 444 | } |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | static abi_long host_to_target_for_each_rtattr(struct rtattr *rtattr, |
| 449 | size_t len, |
| 450 | abi_long (*host_to_target_rtattr) |
| 451 | (struct rtattr *)) |
| 452 | { |
| 453 | unsigned short rta_len; |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 454 | unsigned short aligned_rta_len; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 455 | abi_long ret; |
| 456 | |
| 457 | while (len > sizeof(struct rtattr)) { |
| 458 | rta_len = rtattr->rta_len; |
| 459 | if (rta_len < sizeof(struct rtattr) || |
| 460 | rta_len > len) { |
| 461 | break; |
| 462 | } |
| 463 | ret = host_to_target_rtattr(rtattr); |
| 464 | rtattr->rta_len = tswap16(rtattr->rta_len); |
| 465 | rtattr->rta_type = tswap16(rtattr->rta_type); |
| 466 | if (ret < 0) { |
| 467 | return ret; |
| 468 | } |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 469 | |
| 470 | aligned_rta_len = RTA_ALIGN(rta_len); |
| 471 | if (aligned_rta_len >= len) { |
| 472 | break; |
| 473 | } |
| 474 | len -= aligned_rta_len; |
| 475 | rtattr = (struct rtattr *)(((char *)rtattr) + aligned_rta_len); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 476 | } |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | #define NLA_DATA(nla) ((void *)((char *)(nla)) + NLA_HDRLEN) |
| 481 | |
| 482 | static abi_long host_to_target_data_bridge_nlattr(struct nlattr *nlattr, |
| 483 | void *context) |
| 484 | { |
| 485 | uint16_t *u16; |
| 486 | uint32_t *u32; |
| 487 | uint64_t *u64; |
| 488 | |
| 489 | switch (nlattr->nla_type) { |
| 490 | /* no data */ |
| 491 | case QEMU_IFLA_BR_FDB_FLUSH: |
| 492 | break; |
| 493 | /* binary */ |
| 494 | case QEMU_IFLA_BR_GROUP_ADDR: |
| 495 | break; |
| 496 | /* uint8_t */ |
| 497 | case QEMU_IFLA_BR_VLAN_FILTERING: |
| 498 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE: |
| 499 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED: |
| 500 | case QEMU_IFLA_BR_MCAST_ROUTER: |
| 501 | case QEMU_IFLA_BR_MCAST_SNOOPING: |
| 502 | case QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR: |
| 503 | case QEMU_IFLA_BR_MCAST_QUERIER: |
| 504 | case QEMU_IFLA_BR_NF_CALL_IPTABLES: |
| 505 | case QEMU_IFLA_BR_NF_CALL_IP6TABLES: |
| 506 | case QEMU_IFLA_BR_NF_CALL_ARPTABLES: |
| 507 | case QEMU_IFLA_BR_VLAN_STATS_ENABLED: |
| 508 | case QEMU_IFLA_BR_MCAST_STATS_ENABLED: |
| 509 | case QEMU_IFLA_BR_MCAST_IGMP_VERSION: |
| 510 | case QEMU_IFLA_BR_MCAST_MLD_VERSION: |
Laurent Vivier | 61b463f | 2019-03-06 21:09:25 +0100 | [diff] [blame] | 511 | case QEMU_IFLA_BR_VLAN_STATS_PER_PORT: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 512 | break; |
| 513 | /* uint16_t */ |
| 514 | case QEMU_IFLA_BR_PRIORITY: |
| 515 | case QEMU_IFLA_BR_VLAN_PROTOCOL: |
| 516 | case QEMU_IFLA_BR_GROUP_FWD_MASK: |
| 517 | case QEMU_IFLA_BR_ROOT_PORT: |
| 518 | case QEMU_IFLA_BR_VLAN_DEFAULT_PVID: |
| 519 | u16 = NLA_DATA(nlattr); |
| 520 | *u16 = tswap16(*u16); |
| 521 | break; |
| 522 | /* uint32_t */ |
| 523 | case QEMU_IFLA_BR_FORWARD_DELAY: |
| 524 | case QEMU_IFLA_BR_HELLO_TIME: |
| 525 | case QEMU_IFLA_BR_MAX_AGE: |
| 526 | case QEMU_IFLA_BR_AGEING_TIME: |
| 527 | case QEMU_IFLA_BR_STP_STATE: |
| 528 | case QEMU_IFLA_BR_ROOT_PATH_COST: |
| 529 | case QEMU_IFLA_BR_MCAST_HASH_ELASTICITY: |
| 530 | case QEMU_IFLA_BR_MCAST_HASH_MAX: |
| 531 | case QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT: |
| 532 | case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT: |
| 533 | u32 = NLA_DATA(nlattr); |
| 534 | *u32 = tswap32(*u32); |
| 535 | break; |
| 536 | /* uint64_t */ |
| 537 | case QEMU_IFLA_BR_HELLO_TIMER: |
| 538 | case QEMU_IFLA_BR_TCN_TIMER: |
| 539 | case QEMU_IFLA_BR_GC_TIMER: |
| 540 | case QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER: |
| 541 | case QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL: |
| 542 | case QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL: |
| 543 | case QEMU_IFLA_BR_MCAST_QUERIER_INTVL: |
| 544 | case QEMU_IFLA_BR_MCAST_QUERY_INTVL: |
| 545 | case QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL: |
| 546 | case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL: |
| 547 | u64 = NLA_DATA(nlattr); |
| 548 | *u64 = tswap64(*u64); |
| 549 | break; |
| 550 | /* ifla_bridge_id: uin8_t[] */ |
| 551 | case QEMU_IFLA_BR_ROOT_ID: |
| 552 | case QEMU_IFLA_BR_BRIDGE_ID: |
| 553 | break; |
Laurent Vivier | 01154f7 | 2019-06-26 17:08:55 +0200 | [diff] [blame] | 554 | /* br_boolopt_multi { uint32_t, uint32_t } */ |
| 555 | case QEMU_IFLA_BR_MULTI_BOOLOPT: |
| 556 | u32 = NLA_DATA(nlattr); |
| 557 | u32[0] = tswap32(u32[0]); /* optval */ |
| 558 | u32[1] = tswap32(u32[1]); /* optmask */ |
| 559 | break; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 560 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 561 | qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_BR type %d\n", |
| 562 | nlattr->nla_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 563 | break; |
| 564 | } |
| 565 | return 0; |
| 566 | } |
| 567 | |
| 568 | static abi_long host_to_target_slave_data_bridge_nlattr(struct nlattr *nlattr, |
| 569 | void *context) |
| 570 | { |
| 571 | uint16_t *u16; |
| 572 | uint32_t *u32; |
| 573 | uint64_t *u64; |
| 574 | |
| 575 | switch (nlattr->nla_type) { |
| 576 | /* uint8_t */ |
| 577 | case QEMU_IFLA_BRPORT_STATE: |
| 578 | case QEMU_IFLA_BRPORT_MODE: |
| 579 | case QEMU_IFLA_BRPORT_GUARD: |
| 580 | case QEMU_IFLA_BRPORT_PROTECT: |
| 581 | case QEMU_IFLA_BRPORT_FAST_LEAVE: |
| 582 | case QEMU_IFLA_BRPORT_LEARNING: |
| 583 | case QEMU_IFLA_BRPORT_UNICAST_FLOOD: |
| 584 | case QEMU_IFLA_BRPORT_PROXYARP: |
| 585 | case QEMU_IFLA_BRPORT_LEARNING_SYNC: |
| 586 | case QEMU_IFLA_BRPORT_PROXYARP_WIFI: |
| 587 | case QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK: |
| 588 | case QEMU_IFLA_BRPORT_CONFIG_PENDING: |
| 589 | case QEMU_IFLA_BRPORT_MULTICAST_ROUTER: |
| 590 | case QEMU_IFLA_BRPORT_MCAST_FLOOD: |
| 591 | case QEMU_IFLA_BRPORT_MCAST_TO_UCAST: |
| 592 | case QEMU_IFLA_BRPORT_VLAN_TUNNEL: |
| 593 | case QEMU_IFLA_BRPORT_BCAST_FLOOD: |
| 594 | case QEMU_IFLA_BRPORT_NEIGH_SUPPRESS: |
Laurent Vivier | 0f5faca | 2019-02-06 20:32:11 +0100 | [diff] [blame] | 595 | case QEMU_IFLA_BRPORT_ISOLATED: |
Laurent Vivier | 5351f40 | 2020-11-17 12:19:05 +0100 | [diff] [blame] | 596 | case QEMU_IFLA_BRPORT_MRP_RING_OPEN: |
| 597 | case QEMU_IFLA_BRPORT_MRP_IN_OPEN: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 598 | break; |
| 599 | /* uint16_t */ |
| 600 | case QEMU_IFLA_BRPORT_PRIORITY: |
| 601 | case QEMU_IFLA_BRPORT_DESIGNATED_PORT: |
| 602 | case QEMU_IFLA_BRPORT_DESIGNATED_COST: |
| 603 | case QEMU_IFLA_BRPORT_ID: |
| 604 | case QEMU_IFLA_BRPORT_NO: |
| 605 | case QEMU_IFLA_BRPORT_GROUP_FWD_MASK: |
| 606 | u16 = NLA_DATA(nlattr); |
| 607 | *u16 = tswap16(*u16); |
| 608 | break; |
| 609 | /* uin32_t */ |
| 610 | case QEMU_IFLA_BRPORT_COST: |
Laurent Vivier | 0f5faca | 2019-02-06 20:32:11 +0100 | [diff] [blame] | 611 | case QEMU_IFLA_BRPORT_BACKUP_PORT: |
Laurent Vivier | f0effdb | 2021-12-19 16:45:14 +0100 | [diff] [blame] | 612 | case QEMU_IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT: |
| 613 | case QEMU_IFLA_BRPORT_MCAST_EHT_HOSTS_CNT: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 614 | u32 = NLA_DATA(nlattr); |
| 615 | *u32 = tswap32(*u32); |
| 616 | break; |
| 617 | /* uint64_t */ |
| 618 | case QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER: |
| 619 | case QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER: |
| 620 | case QEMU_IFLA_BRPORT_HOLD_TIMER: |
| 621 | u64 = NLA_DATA(nlattr); |
| 622 | *u64 = tswap64(*u64); |
| 623 | break; |
| 624 | /* ifla_bridge_id: uint8_t[] */ |
| 625 | case QEMU_IFLA_BRPORT_ROOT_ID: |
| 626 | case QEMU_IFLA_BRPORT_BRIDGE_ID: |
| 627 | break; |
| 628 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 629 | qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_BRPORT type %d\n", |
| 630 | nlattr->nla_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 631 | break; |
| 632 | } |
| 633 | return 0; |
| 634 | } |
| 635 | |
| 636 | static abi_long host_to_target_data_tun_nlattr(struct nlattr *nlattr, |
| 637 | void *context) |
| 638 | { |
| 639 | uint32_t *u32; |
| 640 | |
| 641 | switch (nlattr->nla_type) { |
| 642 | /* uint8_t */ |
| 643 | case QEMU_IFLA_TUN_TYPE: |
| 644 | case QEMU_IFLA_TUN_PI: |
| 645 | case QEMU_IFLA_TUN_VNET_HDR: |
| 646 | case QEMU_IFLA_TUN_PERSIST: |
| 647 | case QEMU_IFLA_TUN_MULTI_QUEUE: |
| 648 | break; |
| 649 | /* uint32_t */ |
| 650 | case QEMU_IFLA_TUN_NUM_QUEUES: |
| 651 | case QEMU_IFLA_TUN_NUM_DISABLED_QUEUES: |
| 652 | case QEMU_IFLA_TUN_OWNER: |
| 653 | case QEMU_IFLA_TUN_GROUP: |
| 654 | u32 = NLA_DATA(nlattr); |
| 655 | *u32 = tswap32(*u32); |
| 656 | break; |
| 657 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 658 | qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_TUN type %d\n", |
| 659 | nlattr->nla_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 660 | break; |
| 661 | } |
| 662 | return 0; |
| 663 | } |
| 664 | |
| 665 | struct linkinfo_context { |
| 666 | int len; |
| 667 | char *name; |
| 668 | int slave_len; |
| 669 | char *slave_name; |
| 670 | }; |
| 671 | |
| 672 | static abi_long host_to_target_data_linkinfo_nlattr(struct nlattr *nlattr, |
| 673 | void *context) |
| 674 | { |
| 675 | struct linkinfo_context *li_context = context; |
| 676 | |
| 677 | switch (nlattr->nla_type) { |
| 678 | /* string */ |
| 679 | case QEMU_IFLA_INFO_KIND: |
| 680 | li_context->name = NLA_DATA(nlattr); |
| 681 | li_context->len = nlattr->nla_len - NLA_HDRLEN; |
| 682 | break; |
| 683 | case QEMU_IFLA_INFO_SLAVE_KIND: |
| 684 | li_context->slave_name = NLA_DATA(nlattr); |
| 685 | li_context->slave_len = nlattr->nla_len - NLA_HDRLEN; |
| 686 | break; |
| 687 | /* stats */ |
| 688 | case QEMU_IFLA_INFO_XSTATS: |
| 689 | /* FIXME: only used by CAN */ |
| 690 | break; |
| 691 | /* nested */ |
| 692 | case QEMU_IFLA_INFO_DATA: |
| 693 | if (strncmp(li_context->name, "bridge", |
| 694 | li_context->len) == 0) { |
| 695 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), |
| 696 | nlattr->nla_len, |
| 697 | NULL, |
| 698 | host_to_target_data_bridge_nlattr); |
| 699 | } else if (strncmp(li_context->name, "tun", |
| 700 | li_context->len) == 0) { |
| 701 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), |
| 702 | nlattr->nla_len, |
| 703 | NULL, |
| 704 | host_to_target_data_tun_nlattr); |
| 705 | } else { |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 706 | qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_INFO_KIND %s\n", |
| 707 | li_context->name); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 708 | } |
| 709 | break; |
| 710 | case QEMU_IFLA_INFO_SLAVE_DATA: |
| 711 | if (strncmp(li_context->slave_name, "bridge", |
| 712 | li_context->slave_len) == 0) { |
| 713 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), |
| 714 | nlattr->nla_len, |
| 715 | NULL, |
| 716 | host_to_target_slave_data_bridge_nlattr); |
| 717 | } else { |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 718 | qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_INFO_SLAVE_KIND %s\n", |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 719 | li_context->slave_name); |
| 720 | } |
| 721 | break; |
| 722 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 723 | qemu_log_mask(LOG_UNIMP, "Unknown host QEMU_IFLA_INFO type: %d\n", |
| 724 | nlattr->nla_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 725 | break; |
| 726 | } |
| 727 | |
| 728 | return 0; |
| 729 | } |
| 730 | |
| 731 | static abi_long host_to_target_data_inet_nlattr(struct nlattr *nlattr, |
| 732 | void *context) |
| 733 | { |
| 734 | uint32_t *u32; |
| 735 | int i; |
| 736 | |
| 737 | switch (nlattr->nla_type) { |
| 738 | case QEMU_IFLA_INET_CONF: |
| 739 | u32 = NLA_DATA(nlattr); |
| 740 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32); |
| 741 | i++) { |
| 742 | u32[i] = tswap32(u32[i]); |
| 743 | } |
| 744 | break; |
| 745 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 746 | qemu_log_mask(LOG_UNIMP, "Unknown host AF_INET type: %d\n", |
| 747 | nlattr->nla_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 748 | } |
| 749 | return 0; |
| 750 | } |
| 751 | |
| 752 | static abi_long host_to_target_data_inet6_nlattr(struct nlattr *nlattr, |
| 753 | void *context) |
| 754 | { |
| 755 | uint32_t *u32; |
| 756 | uint64_t *u64; |
| 757 | struct ifla_cacheinfo *ci; |
| 758 | int i; |
| 759 | |
| 760 | switch (nlattr->nla_type) { |
| 761 | /* binaries */ |
| 762 | case QEMU_IFLA_INET6_TOKEN: |
| 763 | break; |
| 764 | /* uint8_t */ |
| 765 | case QEMU_IFLA_INET6_ADDR_GEN_MODE: |
| 766 | break; |
| 767 | /* uint32_t */ |
| 768 | case QEMU_IFLA_INET6_FLAGS: |
| 769 | u32 = NLA_DATA(nlattr); |
| 770 | *u32 = tswap32(*u32); |
| 771 | break; |
| 772 | /* uint32_t[] */ |
| 773 | case QEMU_IFLA_INET6_CONF: |
| 774 | u32 = NLA_DATA(nlattr); |
| 775 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32); |
| 776 | i++) { |
| 777 | u32[i] = tswap32(u32[i]); |
| 778 | } |
| 779 | break; |
| 780 | /* ifla_cacheinfo */ |
| 781 | case QEMU_IFLA_INET6_CACHEINFO: |
| 782 | ci = NLA_DATA(nlattr); |
| 783 | ci->max_reasm_len = tswap32(ci->max_reasm_len); |
| 784 | ci->tstamp = tswap32(ci->tstamp); |
| 785 | ci->reachable_time = tswap32(ci->reachable_time); |
| 786 | ci->retrans_time = tswap32(ci->retrans_time); |
| 787 | break; |
| 788 | /* uint64_t[] */ |
| 789 | case QEMU_IFLA_INET6_STATS: |
| 790 | case QEMU_IFLA_INET6_ICMP6STATS: |
| 791 | u64 = NLA_DATA(nlattr); |
| 792 | for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u64); |
| 793 | i++) { |
| 794 | u64[i] = tswap64(u64[i]); |
| 795 | } |
| 796 | break; |
| 797 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 798 | qemu_log_mask(LOG_UNIMP, "Unknown host AF_INET6 type: %d\n", |
| 799 | nlattr->nla_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 800 | } |
| 801 | return 0; |
| 802 | } |
| 803 | |
| 804 | static abi_long host_to_target_data_spec_nlattr(struct nlattr *nlattr, |
| 805 | void *context) |
| 806 | { |
| 807 | switch (nlattr->nla_type) { |
| 808 | case AF_INET: |
| 809 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len, |
| 810 | NULL, |
| 811 | host_to_target_data_inet_nlattr); |
| 812 | case AF_INET6: |
| 813 | return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len, |
| 814 | NULL, |
| 815 | host_to_target_data_inet6_nlattr); |
| 816 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 817 | qemu_log_mask(LOG_UNIMP, "Unknown host AF_SPEC type: %d\n", |
| 818 | nlattr->nla_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 819 | break; |
| 820 | } |
| 821 | return 0; |
| 822 | } |
| 823 | |
| 824 | static abi_long host_to_target_data_xdp_nlattr(struct nlattr *nlattr, |
| 825 | void *context) |
| 826 | { |
| 827 | uint32_t *u32; |
| 828 | |
| 829 | switch (nlattr->nla_type) { |
| 830 | /* uint8_t */ |
| 831 | case QEMU_IFLA_XDP_ATTACHED: |
| 832 | break; |
| 833 | /* uint32_t */ |
| 834 | case QEMU_IFLA_XDP_PROG_ID: |
| 835 | u32 = NLA_DATA(nlattr); |
| 836 | *u32 = tswap32(*u32); |
| 837 | break; |
| 838 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 839 | qemu_log_mask( |
| 840 | LOG_UNIMP, "Unknown host XDP type: %d\n", nlattr->nla_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 841 | break; |
| 842 | } |
| 843 | return 0; |
| 844 | } |
| 845 | |
Laurent Vivier | a994786 | 2021-12-19 16:45:13 +0100 | [diff] [blame] | 846 | static abi_long host_to_target_data_vlan_list_nlattr(struct nlattr *nlattr, |
| 847 | void *context) |
| 848 | { |
| 849 | struct ifla_vf_vlan_info *vlan_info; |
| 850 | |
| 851 | switch (nlattr->nla_type) { |
| 852 | /* struct ifla_vf_vlan_info */ |
| 853 | case IFLA_VF_VLAN_INFO: |
| 854 | vlan_info = NLA_DATA(nlattr); |
| 855 | vlan_info->vf = tswap32(vlan_info->vf); |
| 856 | vlan_info->vlan = tswap32(vlan_info->vlan); |
| 857 | vlan_info->qos = tswap32(vlan_info->qos); |
| 858 | break; |
| 859 | default: |
| 860 | qemu_log_mask(LOG_UNIMP, "Unknown host VLAN LIST type: %d\n", |
| 861 | nlattr->nla_type); |
| 862 | break; |
| 863 | } |
| 864 | return 0; |
| 865 | } |
| 866 | |
| 867 | static abi_long host_to_target_data_vf_stats_nlattr(struct nlattr *nlattr, |
| 868 | void *context) |
| 869 | { |
| 870 | uint64_t *u64; |
| 871 | |
| 872 | switch (nlattr->nla_type) { |
| 873 | /* uint64_t */ |
| 874 | case QEMU_IFLA_VF_STATS_RX_PACKETS: |
| 875 | case QEMU_IFLA_VF_STATS_TX_PACKETS: |
| 876 | case QEMU_IFLA_VF_STATS_RX_BYTES: |
| 877 | case QEMU_IFLA_VF_STATS_TX_BYTES: |
| 878 | case QEMU_IFLA_VF_STATS_BROADCAST: |
| 879 | case QEMU_IFLA_VF_STATS_MULTICAST: |
| 880 | case QEMU_IFLA_VF_STATS_PAD: |
| 881 | case QEMU_IFLA_VF_STATS_RX_DROPPED: |
| 882 | case QEMU_IFLA_VF_STATS_TX_DROPPED: |
| 883 | u64 = NLA_DATA(nlattr); |
| 884 | *u64 = tswap64(*u64); |
| 885 | break; |
| 886 | default: |
| 887 | qemu_log_mask(LOG_UNIMP, "Unknown host VF STATS type: %d\n", |
| 888 | nlattr->nla_type); |
| 889 | break; |
| 890 | } |
| 891 | return 0; |
| 892 | } |
| 893 | |
| 894 | static abi_long host_to_target_data_vfinfo_nlattr(struct nlattr *nlattr, |
| 895 | void *context) |
| 896 | { |
| 897 | struct ifla_vf_mac *mac; |
| 898 | struct ifla_vf_vlan *vlan; |
| 899 | struct ifla_vf_vlan_info *vlan_info; |
| 900 | struct ifla_vf_spoofchk *spoofchk; |
| 901 | struct ifla_vf_rate *rate; |
| 902 | struct ifla_vf_link_state *link_state; |
| 903 | struct ifla_vf_rss_query_en *rss_query_en; |
| 904 | struct ifla_vf_trust *trust; |
| 905 | struct ifla_vf_guid *guid; |
| 906 | |
| 907 | switch (nlattr->nla_type) { |
| 908 | /* struct ifla_vf_mac */ |
| 909 | case QEMU_IFLA_VF_MAC: |
| 910 | mac = NLA_DATA(nlattr); |
| 911 | mac->vf = tswap32(mac->vf); |
| 912 | break; |
| 913 | /* struct ifla_vf_broadcast */ |
| 914 | case QEMU_IFLA_VF_BROADCAST: |
| 915 | break; |
| 916 | /* struct struct ifla_vf_vlan */ |
| 917 | case QEMU_IFLA_VF_VLAN: |
| 918 | vlan = NLA_DATA(nlattr); |
| 919 | vlan->vf = tswap32(vlan->vf); |
| 920 | vlan->vlan = tswap32(vlan->vlan); |
| 921 | vlan->qos = tswap32(vlan->qos); |
| 922 | break; |
| 923 | /* struct ifla_vf_vlan_info */ |
| 924 | case QEMU_IFLA_VF_TX_RATE: |
| 925 | vlan_info = NLA_DATA(nlattr); |
| 926 | vlan_info->vf = tswap32(vlan_info->vf); |
| 927 | vlan_info->vlan = tswap32(vlan_info->vlan); |
| 928 | vlan_info->qos = tswap32(vlan_info->qos); |
| 929 | break; |
| 930 | /* struct ifla_vf_spoofchk */ |
| 931 | case QEMU_IFLA_VF_SPOOFCHK: |
| 932 | spoofchk = NLA_DATA(nlattr); |
| 933 | spoofchk->vf = tswap32(spoofchk->vf); |
| 934 | spoofchk->setting = tswap32(spoofchk->setting); |
| 935 | break; |
| 936 | /* struct ifla_vf_rate */ |
| 937 | case QEMU_IFLA_VF_RATE: |
| 938 | rate = NLA_DATA(nlattr); |
| 939 | rate->vf = tswap32(rate->vf); |
| 940 | rate->min_tx_rate = tswap32(rate->min_tx_rate); |
| 941 | rate->max_tx_rate = tswap32(rate->max_tx_rate); |
| 942 | break; |
| 943 | /* struct ifla_vf_link_state */ |
| 944 | case QEMU_IFLA_VF_LINK_STATE: |
| 945 | link_state = NLA_DATA(nlattr); |
| 946 | link_state->vf = tswap32(link_state->vf); |
| 947 | link_state->link_state = tswap32(link_state->link_state); |
| 948 | break; |
| 949 | /* struct ifla_vf_rss_query_en */ |
| 950 | case QEMU_IFLA_VF_RSS_QUERY_EN: |
| 951 | rss_query_en = NLA_DATA(nlattr); |
| 952 | rss_query_en->vf = tswap32(rss_query_en->vf); |
| 953 | rss_query_en->setting = tswap32(rss_query_en->setting); |
| 954 | break; |
| 955 | /* struct ifla_vf_trust */ |
| 956 | case QEMU_IFLA_VF_TRUST: |
| 957 | trust = NLA_DATA(nlattr); |
| 958 | trust->vf = tswap32(trust->vf); |
| 959 | trust->setting = tswap32(trust->setting); |
| 960 | break; |
| 961 | /* struct ifla_vf_guid */ |
| 962 | case QEMU_IFLA_VF_IB_NODE_GUID: |
| 963 | case QEMU_IFLA_VF_IB_PORT_GUID: |
| 964 | guid = NLA_DATA(nlattr); |
| 965 | guid->vf = tswap32(guid->vf); |
| 966 | guid->guid = tswap32(guid->guid); |
| 967 | break; |
| 968 | /* nested */ |
| 969 | case QEMU_IFLA_VF_VLAN_LIST: |
| 970 | return host_to_target_for_each_nlattr(RTA_DATA(nlattr), nlattr->nla_len, |
| 971 | NULL, |
| 972 | host_to_target_data_vlan_list_nlattr); |
| 973 | case QEMU_IFLA_VF_STATS: |
| 974 | return host_to_target_for_each_nlattr(RTA_DATA(nlattr), nlattr->nla_len, |
| 975 | NULL, |
| 976 | host_to_target_data_vf_stats_nlattr); |
| 977 | default: |
| 978 | qemu_log_mask(LOG_UNIMP, "Unknown host VFINFO type: %d\n", |
| 979 | nlattr->nla_type); |
| 980 | break; |
| 981 | } |
| 982 | return 0; |
| 983 | } |
| 984 | |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 985 | static abi_long host_to_target_data_link_rtattr(struct rtattr *rtattr) |
| 986 | { |
| 987 | uint32_t *u32; |
| 988 | struct rtnl_link_stats *st; |
| 989 | struct rtnl_link_stats64 *st64; |
| 990 | struct rtnl_link_ifmap *map; |
| 991 | struct linkinfo_context li_context; |
| 992 | |
| 993 | switch (rtattr->rta_type) { |
| 994 | /* binary stream */ |
| 995 | case QEMU_IFLA_ADDRESS: |
| 996 | case QEMU_IFLA_BROADCAST: |
Laurent Vivier | d9679ee | 2020-07-09 09:23:31 +0200 | [diff] [blame] | 997 | case QEMU_IFLA_PERM_ADDRESS: |
Laurent Vivier | 312aef9 | 2021-12-19 16:45:12 +0100 | [diff] [blame] | 998 | case QEMU_IFLA_PHYS_PORT_ID: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 999 | /* string */ |
| 1000 | case QEMU_IFLA_IFNAME: |
| 1001 | case QEMU_IFLA_QDISC: |
Laurent Vivier | 312aef9 | 2021-12-19 16:45:12 +0100 | [diff] [blame] | 1002 | case QEMU_IFLA_PARENT_DEV_NAME: |
| 1003 | case QEMU_IFLA_PARENT_DEV_BUS_NAME: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1004 | break; |
| 1005 | /* uin8_t */ |
| 1006 | case QEMU_IFLA_OPERSTATE: |
| 1007 | case QEMU_IFLA_LINKMODE: |
| 1008 | case QEMU_IFLA_CARRIER: |
| 1009 | case QEMU_IFLA_PROTO_DOWN: |
| 1010 | break; |
| 1011 | /* uint32_t */ |
| 1012 | case QEMU_IFLA_MTU: |
| 1013 | case QEMU_IFLA_LINK: |
| 1014 | case QEMU_IFLA_WEIGHT: |
| 1015 | case QEMU_IFLA_TXQLEN: |
| 1016 | case QEMU_IFLA_CARRIER_CHANGES: |
| 1017 | case QEMU_IFLA_NUM_RX_QUEUES: |
| 1018 | case QEMU_IFLA_NUM_TX_QUEUES: |
| 1019 | case QEMU_IFLA_PROMISCUITY: |
| 1020 | case QEMU_IFLA_EXT_MASK: |
| 1021 | case QEMU_IFLA_LINK_NETNSID: |
| 1022 | case QEMU_IFLA_GROUP: |
| 1023 | case QEMU_IFLA_MASTER: |
| 1024 | case QEMU_IFLA_NUM_VF: |
| 1025 | case QEMU_IFLA_GSO_MAX_SEGS: |
| 1026 | case QEMU_IFLA_GSO_MAX_SIZE: |
| 1027 | case QEMU_IFLA_CARRIER_UP_COUNT: |
| 1028 | case QEMU_IFLA_CARRIER_DOWN_COUNT: |
Laurent Vivier | 0f5faca | 2019-02-06 20:32:11 +0100 | [diff] [blame] | 1029 | case QEMU_IFLA_MIN_MTU: |
| 1030 | case QEMU_IFLA_MAX_MTU: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1031 | u32 = RTA_DATA(rtattr); |
| 1032 | *u32 = tswap32(*u32); |
| 1033 | break; |
| 1034 | /* struct rtnl_link_stats */ |
| 1035 | case QEMU_IFLA_STATS: |
| 1036 | st = RTA_DATA(rtattr); |
| 1037 | st->rx_packets = tswap32(st->rx_packets); |
| 1038 | st->tx_packets = tswap32(st->tx_packets); |
| 1039 | st->rx_bytes = tswap32(st->rx_bytes); |
| 1040 | st->tx_bytes = tswap32(st->tx_bytes); |
| 1041 | st->rx_errors = tswap32(st->rx_errors); |
| 1042 | st->tx_errors = tswap32(st->tx_errors); |
| 1043 | st->rx_dropped = tswap32(st->rx_dropped); |
| 1044 | st->tx_dropped = tswap32(st->tx_dropped); |
| 1045 | st->multicast = tswap32(st->multicast); |
| 1046 | st->collisions = tswap32(st->collisions); |
| 1047 | |
| 1048 | /* detailed rx_errors: */ |
| 1049 | st->rx_length_errors = tswap32(st->rx_length_errors); |
| 1050 | st->rx_over_errors = tswap32(st->rx_over_errors); |
| 1051 | st->rx_crc_errors = tswap32(st->rx_crc_errors); |
| 1052 | st->rx_frame_errors = tswap32(st->rx_frame_errors); |
| 1053 | st->rx_fifo_errors = tswap32(st->rx_fifo_errors); |
| 1054 | st->rx_missed_errors = tswap32(st->rx_missed_errors); |
| 1055 | |
| 1056 | /* detailed tx_errors */ |
| 1057 | st->tx_aborted_errors = tswap32(st->tx_aborted_errors); |
| 1058 | st->tx_carrier_errors = tswap32(st->tx_carrier_errors); |
| 1059 | st->tx_fifo_errors = tswap32(st->tx_fifo_errors); |
| 1060 | st->tx_heartbeat_errors = tswap32(st->tx_heartbeat_errors); |
| 1061 | st->tx_window_errors = tswap32(st->tx_window_errors); |
| 1062 | |
| 1063 | /* for cslip etc */ |
| 1064 | st->rx_compressed = tswap32(st->rx_compressed); |
| 1065 | st->tx_compressed = tswap32(st->tx_compressed); |
| 1066 | break; |
| 1067 | /* struct rtnl_link_stats64 */ |
| 1068 | case QEMU_IFLA_STATS64: |
| 1069 | st64 = RTA_DATA(rtattr); |
| 1070 | st64->rx_packets = tswap64(st64->rx_packets); |
| 1071 | st64->tx_packets = tswap64(st64->tx_packets); |
| 1072 | st64->rx_bytes = tswap64(st64->rx_bytes); |
| 1073 | st64->tx_bytes = tswap64(st64->tx_bytes); |
| 1074 | st64->rx_errors = tswap64(st64->rx_errors); |
| 1075 | st64->tx_errors = tswap64(st64->tx_errors); |
| 1076 | st64->rx_dropped = tswap64(st64->rx_dropped); |
| 1077 | st64->tx_dropped = tswap64(st64->tx_dropped); |
| 1078 | st64->multicast = tswap64(st64->multicast); |
| 1079 | st64->collisions = tswap64(st64->collisions); |
| 1080 | |
| 1081 | /* detailed rx_errors: */ |
| 1082 | st64->rx_length_errors = tswap64(st64->rx_length_errors); |
| 1083 | st64->rx_over_errors = tswap64(st64->rx_over_errors); |
| 1084 | st64->rx_crc_errors = tswap64(st64->rx_crc_errors); |
| 1085 | st64->rx_frame_errors = tswap64(st64->rx_frame_errors); |
| 1086 | st64->rx_fifo_errors = tswap64(st64->rx_fifo_errors); |
| 1087 | st64->rx_missed_errors = tswap64(st64->rx_missed_errors); |
| 1088 | |
| 1089 | /* detailed tx_errors */ |
| 1090 | st64->tx_aborted_errors = tswap64(st64->tx_aborted_errors); |
| 1091 | st64->tx_carrier_errors = tswap64(st64->tx_carrier_errors); |
| 1092 | st64->tx_fifo_errors = tswap64(st64->tx_fifo_errors); |
| 1093 | st64->tx_heartbeat_errors = tswap64(st64->tx_heartbeat_errors); |
| 1094 | st64->tx_window_errors = tswap64(st64->tx_window_errors); |
| 1095 | |
| 1096 | /* for cslip etc */ |
| 1097 | st64->rx_compressed = tswap64(st64->rx_compressed); |
| 1098 | st64->tx_compressed = tswap64(st64->tx_compressed); |
| 1099 | break; |
| 1100 | /* struct rtnl_link_ifmap */ |
| 1101 | case QEMU_IFLA_MAP: |
| 1102 | map = RTA_DATA(rtattr); |
| 1103 | map->mem_start = tswap64(map->mem_start); |
| 1104 | map->mem_end = tswap64(map->mem_end); |
| 1105 | map->base_addr = tswap64(map->base_addr); |
| 1106 | map->irq = tswap16(map->irq); |
| 1107 | break; |
| 1108 | /* nested */ |
| 1109 | case QEMU_IFLA_LINKINFO: |
| 1110 | memset(&li_context, 0, sizeof(li_context)); |
| 1111 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, |
| 1112 | &li_context, |
| 1113 | host_to_target_data_linkinfo_nlattr); |
| 1114 | case QEMU_IFLA_AF_SPEC: |
| 1115 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, |
| 1116 | NULL, |
| 1117 | host_to_target_data_spec_nlattr); |
| 1118 | case QEMU_IFLA_XDP: |
| 1119 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, |
| 1120 | NULL, |
| 1121 | host_to_target_data_xdp_nlattr); |
Laurent Vivier | a994786 | 2021-12-19 16:45:13 +0100 | [diff] [blame] | 1122 | case QEMU_IFLA_VFINFO_LIST: |
| 1123 | return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len, |
| 1124 | NULL, |
| 1125 | host_to_target_data_vfinfo_nlattr); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1126 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 1127 | qemu_log_mask(LOG_UNIMP, "Unknown host QEMU_IFLA type: %d\n", |
| 1128 | rtattr->rta_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1129 | break; |
| 1130 | } |
| 1131 | return 0; |
| 1132 | } |
| 1133 | |
| 1134 | static abi_long host_to_target_data_addr_rtattr(struct rtattr *rtattr) |
| 1135 | { |
| 1136 | uint32_t *u32; |
| 1137 | struct ifa_cacheinfo *ci; |
| 1138 | |
| 1139 | switch (rtattr->rta_type) { |
| 1140 | /* binary: depends on family type */ |
| 1141 | case IFA_ADDRESS: |
| 1142 | case IFA_LOCAL: |
| 1143 | break; |
| 1144 | /* string */ |
| 1145 | case IFA_LABEL: |
| 1146 | break; |
| 1147 | /* u32 */ |
| 1148 | case IFA_FLAGS: |
| 1149 | case IFA_BROADCAST: |
| 1150 | u32 = RTA_DATA(rtattr); |
| 1151 | *u32 = tswap32(*u32); |
| 1152 | break; |
| 1153 | /* struct ifa_cacheinfo */ |
| 1154 | case IFA_CACHEINFO: |
| 1155 | ci = RTA_DATA(rtattr); |
| 1156 | ci->ifa_prefered = tswap32(ci->ifa_prefered); |
| 1157 | ci->ifa_valid = tswap32(ci->ifa_valid); |
| 1158 | ci->cstamp = tswap32(ci->cstamp); |
| 1159 | ci->tstamp = tswap32(ci->tstamp); |
| 1160 | break; |
| 1161 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 1162 | qemu_log_mask( |
| 1163 | LOG_UNIMP, "Unknown host IFA type: %d\n", rtattr->rta_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1164 | break; |
| 1165 | } |
| 1166 | return 0; |
| 1167 | } |
| 1168 | |
| 1169 | static abi_long host_to_target_data_route_rtattr(struct rtattr *rtattr) |
| 1170 | { |
| 1171 | uint32_t *u32; |
| 1172 | struct rta_cacheinfo *ci; |
| 1173 | |
| 1174 | switch (rtattr->rta_type) { |
| 1175 | /* binary: depends on family type */ |
| 1176 | case QEMU_RTA_GATEWAY: |
| 1177 | case QEMU_RTA_DST: |
| 1178 | case QEMU_RTA_PREFSRC: |
| 1179 | break; |
| 1180 | /* u8 */ |
| 1181 | case QEMU_RTA_PREF: |
| 1182 | break; |
| 1183 | /* u32 */ |
| 1184 | case QEMU_RTA_PRIORITY: |
| 1185 | case QEMU_RTA_TABLE: |
| 1186 | case QEMU_RTA_OIF: |
| 1187 | u32 = RTA_DATA(rtattr); |
| 1188 | *u32 = tswap32(*u32); |
| 1189 | break; |
| 1190 | /* struct rta_cacheinfo */ |
| 1191 | case QEMU_RTA_CACHEINFO: |
| 1192 | ci = RTA_DATA(rtattr); |
| 1193 | ci->rta_clntref = tswap32(ci->rta_clntref); |
| 1194 | ci->rta_lastuse = tswap32(ci->rta_lastuse); |
| 1195 | ci->rta_expires = tswap32(ci->rta_expires); |
| 1196 | ci->rta_error = tswap32(ci->rta_error); |
| 1197 | ci->rta_used = tswap32(ci->rta_used); |
| 1198 | #if defined(RTNETLINK_HAVE_PEERINFO) |
| 1199 | ci->rta_id = tswap32(ci->rta_id); |
| 1200 | ci->rta_ts = tswap32(ci->rta_ts); |
| 1201 | ci->rta_tsage = tswap32(ci->rta_tsage); |
| 1202 | #endif |
| 1203 | break; |
| 1204 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 1205 | qemu_log_mask( |
| 1206 | LOG_UNIMP, "Unknown host RTA type: %d\n", rtattr->rta_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1207 | break; |
| 1208 | } |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
| 1212 | static abi_long host_to_target_link_rtattr(struct rtattr *rtattr, |
| 1213 | uint32_t rtattr_len) |
| 1214 | { |
| 1215 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, |
| 1216 | host_to_target_data_link_rtattr); |
| 1217 | } |
| 1218 | |
| 1219 | static abi_long host_to_target_addr_rtattr(struct rtattr *rtattr, |
| 1220 | uint32_t rtattr_len) |
| 1221 | { |
| 1222 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, |
| 1223 | host_to_target_data_addr_rtattr); |
| 1224 | } |
| 1225 | |
| 1226 | static abi_long host_to_target_route_rtattr(struct rtattr *rtattr, |
| 1227 | uint32_t rtattr_len) |
| 1228 | { |
| 1229 | return host_to_target_for_each_rtattr(rtattr, rtattr_len, |
| 1230 | host_to_target_data_route_rtattr); |
| 1231 | } |
| 1232 | |
| 1233 | static abi_long host_to_target_data_route(struct nlmsghdr *nlh) |
| 1234 | { |
| 1235 | uint32_t nlmsg_len; |
| 1236 | struct ifinfomsg *ifi; |
| 1237 | struct ifaddrmsg *ifa; |
| 1238 | struct rtmsg *rtm; |
| 1239 | |
| 1240 | nlmsg_len = nlh->nlmsg_len; |
| 1241 | switch (nlh->nlmsg_type) { |
| 1242 | case RTM_NEWLINK: |
| 1243 | case RTM_DELLINK: |
| 1244 | case RTM_GETLINK: |
| 1245 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) { |
| 1246 | ifi = NLMSG_DATA(nlh); |
| 1247 | ifi->ifi_type = tswap16(ifi->ifi_type); |
| 1248 | ifi->ifi_index = tswap32(ifi->ifi_index); |
| 1249 | ifi->ifi_flags = tswap32(ifi->ifi_flags); |
| 1250 | ifi->ifi_change = tswap32(ifi->ifi_change); |
| 1251 | host_to_target_link_rtattr(IFLA_RTA(ifi), |
| 1252 | nlmsg_len - NLMSG_LENGTH(sizeof(*ifi))); |
| 1253 | } |
| 1254 | break; |
| 1255 | case RTM_NEWADDR: |
| 1256 | case RTM_DELADDR: |
| 1257 | case RTM_GETADDR: |
| 1258 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) { |
| 1259 | ifa = NLMSG_DATA(nlh); |
| 1260 | ifa->ifa_index = tswap32(ifa->ifa_index); |
| 1261 | host_to_target_addr_rtattr(IFA_RTA(ifa), |
| 1262 | nlmsg_len - NLMSG_LENGTH(sizeof(*ifa))); |
| 1263 | } |
| 1264 | break; |
| 1265 | case RTM_NEWROUTE: |
| 1266 | case RTM_DELROUTE: |
| 1267 | case RTM_GETROUTE: |
| 1268 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) { |
| 1269 | rtm = NLMSG_DATA(nlh); |
| 1270 | rtm->rtm_flags = tswap32(rtm->rtm_flags); |
| 1271 | host_to_target_route_rtattr(RTM_RTA(rtm), |
| 1272 | nlmsg_len - NLMSG_LENGTH(sizeof(*rtm))); |
| 1273 | } |
| 1274 | break; |
| 1275 | default: |
| 1276 | return -TARGET_EINVAL; |
| 1277 | } |
| 1278 | return 0; |
| 1279 | } |
| 1280 | |
| 1281 | static inline abi_long host_to_target_nlmsg_route(struct nlmsghdr *nlh, |
| 1282 | size_t len) |
| 1283 | { |
| 1284 | return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_route); |
| 1285 | } |
| 1286 | |
| 1287 | static abi_long target_to_host_for_each_rtattr(struct rtattr *rtattr, |
| 1288 | size_t len, |
| 1289 | abi_long (*target_to_host_rtattr) |
| 1290 | (struct rtattr *)) |
| 1291 | { |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 1292 | unsigned short aligned_rta_len; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1293 | abi_long ret; |
| 1294 | |
| 1295 | while (len >= sizeof(struct rtattr)) { |
| 1296 | if (tswap16(rtattr->rta_len) < sizeof(struct rtattr) || |
| 1297 | tswap16(rtattr->rta_len) > len) { |
| 1298 | break; |
| 1299 | } |
| 1300 | rtattr->rta_len = tswap16(rtattr->rta_len); |
| 1301 | rtattr->rta_type = tswap16(rtattr->rta_type); |
| 1302 | ret = target_to_host_rtattr(rtattr); |
| 1303 | if (ret < 0) { |
| 1304 | return ret; |
| 1305 | } |
Shu-Chun Weng | 1645fb5 | 2019-10-17 17:19:20 -0700 | [diff] [blame] | 1306 | |
| 1307 | aligned_rta_len = RTA_ALIGN(rtattr->rta_len); |
| 1308 | if (aligned_rta_len >= len) { |
| 1309 | break; |
| 1310 | } |
| 1311 | len -= aligned_rta_len; |
| 1312 | rtattr = (struct rtattr *)(((char *)rtattr) + aligned_rta_len); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1313 | } |
| 1314 | return 0; |
| 1315 | } |
| 1316 | |
| 1317 | static abi_long target_to_host_data_link_rtattr(struct rtattr *rtattr) |
| 1318 | { |
Laurent Vivier | 5351f40 | 2020-11-17 12:19:05 +0100 | [diff] [blame] | 1319 | uint32_t *u32; |
| 1320 | |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1321 | switch (rtattr->rta_type) { |
Laurent Vivier | 5351f40 | 2020-11-17 12:19:05 +0100 | [diff] [blame] | 1322 | /* uint32_t */ |
| 1323 | case QEMU_IFLA_EXT_MASK: |
| 1324 | u32 = RTA_DATA(rtattr); |
| 1325 | *u32 = tswap32(*u32); |
| 1326 | break; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1327 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 1328 | qemu_log_mask(LOG_UNIMP, "Unknown target QEMU_IFLA type: %d\n", |
| 1329 | rtattr->rta_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1330 | break; |
| 1331 | } |
| 1332 | return 0; |
| 1333 | } |
| 1334 | |
| 1335 | static abi_long target_to_host_data_addr_rtattr(struct rtattr *rtattr) |
| 1336 | { |
| 1337 | switch (rtattr->rta_type) { |
| 1338 | /* binary: depends on family type */ |
| 1339 | case IFA_LOCAL: |
| 1340 | case IFA_ADDRESS: |
| 1341 | break; |
| 1342 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 1343 | qemu_log_mask(LOG_UNIMP, "Unknown target IFA type: %d\n", |
| 1344 | rtattr->rta_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1345 | break; |
| 1346 | } |
| 1347 | return 0; |
| 1348 | } |
| 1349 | |
| 1350 | static abi_long target_to_host_data_route_rtattr(struct rtattr *rtattr) |
| 1351 | { |
| 1352 | uint32_t *u32; |
| 1353 | switch (rtattr->rta_type) { |
| 1354 | /* binary: depends on family type */ |
| 1355 | case QEMU_RTA_DST: |
| 1356 | case QEMU_RTA_SRC: |
| 1357 | case QEMU_RTA_GATEWAY: |
| 1358 | break; |
| 1359 | /* u32 */ |
| 1360 | case QEMU_RTA_PRIORITY: |
Laurent Vivier | f536612 | 2020-11-16 17:36:22 +0100 | [diff] [blame] | 1361 | case QEMU_RTA_TABLE: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1362 | case QEMU_RTA_OIF: |
| 1363 | u32 = RTA_DATA(rtattr); |
| 1364 | *u32 = tswap32(*u32); |
| 1365 | break; |
| 1366 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 1367 | qemu_log_mask(LOG_UNIMP, "Unknown target RTA type: %d\n", |
| 1368 | rtattr->rta_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1369 | break; |
| 1370 | } |
| 1371 | return 0; |
| 1372 | } |
| 1373 | |
| 1374 | static void target_to_host_link_rtattr(struct rtattr *rtattr, |
| 1375 | uint32_t rtattr_len) |
| 1376 | { |
| 1377 | target_to_host_for_each_rtattr(rtattr, rtattr_len, |
| 1378 | target_to_host_data_link_rtattr); |
| 1379 | } |
| 1380 | |
| 1381 | static void target_to_host_addr_rtattr(struct rtattr *rtattr, |
| 1382 | uint32_t rtattr_len) |
| 1383 | { |
| 1384 | target_to_host_for_each_rtattr(rtattr, rtattr_len, |
| 1385 | target_to_host_data_addr_rtattr); |
| 1386 | } |
| 1387 | |
| 1388 | static void target_to_host_route_rtattr(struct rtattr *rtattr, |
| 1389 | uint32_t rtattr_len) |
| 1390 | { |
| 1391 | target_to_host_for_each_rtattr(rtattr, rtattr_len, |
| 1392 | target_to_host_data_route_rtattr); |
| 1393 | } |
| 1394 | |
| 1395 | static abi_long target_to_host_data_route(struct nlmsghdr *nlh) |
| 1396 | { |
| 1397 | struct ifinfomsg *ifi; |
| 1398 | struct ifaddrmsg *ifa; |
| 1399 | struct rtmsg *rtm; |
| 1400 | |
| 1401 | switch (nlh->nlmsg_type) { |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1402 | case RTM_NEWLINK: |
| 1403 | case RTM_DELLINK: |
Laurent Vivier | 65b261a | 2020-07-09 09:23:32 +0200 | [diff] [blame] | 1404 | case RTM_SETLINK: |
Laurent Vivier | f536612 | 2020-11-16 17:36:22 +0100 | [diff] [blame] | 1405 | case RTM_GETLINK: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1406 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) { |
| 1407 | ifi = NLMSG_DATA(nlh); |
| 1408 | ifi->ifi_type = tswap16(ifi->ifi_type); |
| 1409 | ifi->ifi_index = tswap32(ifi->ifi_index); |
| 1410 | ifi->ifi_flags = tswap32(ifi->ifi_flags); |
| 1411 | ifi->ifi_change = tswap32(ifi->ifi_change); |
| 1412 | target_to_host_link_rtattr(IFLA_RTA(ifi), nlh->nlmsg_len - |
| 1413 | NLMSG_LENGTH(sizeof(*ifi))); |
| 1414 | } |
| 1415 | break; |
| 1416 | case RTM_GETADDR: |
| 1417 | case RTM_NEWADDR: |
| 1418 | case RTM_DELADDR: |
| 1419 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) { |
| 1420 | ifa = NLMSG_DATA(nlh); |
| 1421 | ifa->ifa_index = tswap32(ifa->ifa_index); |
| 1422 | target_to_host_addr_rtattr(IFA_RTA(ifa), nlh->nlmsg_len - |
| 1423 | NLMSG_LENGTH(sizeof(*ifa))); |
| 1424 | } |
| 1425 | break; |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1426 | case RTM_NEWROUTE: |
| 1427 | case RTM_DELROUTE: |
Laurent Vivier | f536612 | 2020-11-16 17:36:22 +0100 | [diff] [blame] | 1428 | case RTM_GETROUTE: |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1429 | if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) { |
| 1430 | rtm = NLMSG_DATA(nlh); |
| 1431 | rtm->rtm_flags = tswap32(rtm->rtm_flags); |
| 1432 | target_to_host_route_rtattr(RTM_RTA(rtm), nlh->nlmsg_len - |
| 1433 | NLMSG_LENGTH(sizeof(*rtm))); |
| 1434 | } |
| 1435 | break; |
| 1436 | default: |
| 1437 | return -TARGET_EOPNOTSUPP; |
| 1438 | } |
| 1439 | return 0; |
| 1440 | } |
| 1441 | |
| 1442 | static abi_long target_to_host_nlmsg_route(struct nlmsghdr *nlh, size_t len) |
| 1443 | { |
| 1444 | return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_route); |
| 1445 | } |
| 1446 | #endif /* CONFIG_RTNETLINK */ |
| 1447 | |
| 1448 | static abi_long host_to_target_data_audit(struct nlmsghdr *nlh) |
| 1449 | { |
| 1450 | switch (nlh->nlmsg_type) { |
| 1451 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 1452 | qemu_log_mask(LOG_UNIMP, "Unknown host audit message type %d\n", |
| 1453 | nlh->nlmsg_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1454 | return -TARGET_EINVAL; |
| 1455 | } |
| 1456 | return 0; |
| 1457 | } |
| 1458 | |
| 1459 | static inline abi_long host_to_target_nlmsg_audit(struct nlmsghdr *nlh, |
| 1460 | size_t len) |
| 1461 | { |
| 1462 | return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_audit); |
| 1463 | } |
| 1464 | |
| 1465 | static abi_long target_to_host_data_audit(struct nlmsghdr *nlh) |
| 1466 | { |
| 1467 | switch (nlh->nlmsg_type) { |
| 1468 | case AUDIT_USER: |
| 1469 | case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG: |
| 1470 | case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2: |
| 1471 | break; |
| 1472 | default: |
Josh Kunz | 39be535 | 2020-02-03 18:54:13 -0800 | [diff] [blame] | 1473 | qemu_log_mask(LOG_UNIMP, "Unknown target audit message type %d\n", |
| 1474 | nlh->nlmsg_type); |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1475 | return -TARGET_EINVAL; |
| 1476 | } |
| 1477 | |
| 1478 | return 0; |
| 1479 | } |
| 1480 | |
| 1481 | static abi_long target_to_host_nlmsg_audit(struct nlmsghdr *nlh, size_t len) |
| 1482 | { |
| 1483 | return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_audit); |
| 1484 | } |
| 1485 | |
| 1486 | static abi_long packet_target_to_host_sockaddr(void *host_addr, |
| 1487 | abi_ulong target_addr, |
| 1488 | socklen_t len) |
| 1489 | { |
| 1490 | struct sockaddr *addr = host_addr; |
| 1491 | struct target_sockaddr *target_saddr; |
| 1492 | |
| 1493 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
| 1494 | if (!target_saddr) { |
| 1495 | return -TARGET_EFAULT; |
| 1496 | } |
| 1497 | |
| 1498 | memcpy(addr, target_saddr, len); |
| 1499 | addr->sa_family = tswap16(target_saddr->sa_family); |
| 1500 | /* spkt_protocol is big-endian */ |
| 1501 | |
| 1502 | unlock_user(target_saddr, target_addr, 0); |
| 1503 | return 0; |
| 1504 | } |
| 1505 | |
| 1506 | TargetFdTrans target_packet_trans = { |
| 1507 | .target_to_host_addr = packet_target_to_host_sockaddr, |
| 1508 | }; |
| 1509 | |
| 1510 | #ifdef CONFIG_RTNETLINK |
| 1511 | static abi_long netlink_route_target_to_host(void *buf, size_t len) |
| 1512 | { |
| 1513 | abi_long ret; |
| 1514 | |
| 1515 | ret = target_to_host_nlmsg_route(buf, len); |
| 1516 | if (ret < 0) { |
| 1517 | return ret; |
| 1518 | } |
| 1519 | |
| 1520 | return len; |
| 1521 | } |
| 1522 | |
| 1523 | static abi_long netlink_route_host_to_target(void *buf, size_t len) |
| 1524 | { |
| 1525 | abi_long ret; |
| 1526 | |
| 1527 | ret = host_to_target_nlmsg_route(buf, len); |
| 1528 | if (ret < 0) { |
| 1529 | return ret; |
| 1530 | } |
| 1531 | |
| 1532 | return len; |
| 1533 | } |
| 1534 | |
| 1535 | TargetFdTrans target_netlink_route_trans = { |
| 1536 | .target_to_host_data = netlink_route_target_to_host, |
| 1537 | .host_to_target_data = netlink_route_host_to_target, |
| 1538 | }; |
| 1539 | #endif /* CONFIG_RTNETLINK */ |
| 1540 | |
| 1541 | static abi_long netlink_audit_target_to_host(void *buf, size_t len) |
| 1542 | { |
| 1543 | abi_long ret; |
| 1544 | |
| 1545 | ret = target_to_host_nlmsg_audit(buf, len); |
| 1546 | if (ret < 0) { |
| 1547 | return ret; |
| 1548 | } |
| 1549 | |
| 1550 | return len; |
| 1551 | } |
| 1552 | |
| 1553 | static abi_long netlink_audit_host_to_target(void *buf, size_t len) |
| 1554 | { |
| 1555 | abi_long ret; |
| 1556 | |
| 1557 | ret = host_to_target_nlmsg_audit(buf, len); |
| 1558 | if (ret < 0) { |
| 1559 | return ret; |
| 1560 | } |
| 1561 | |
| 1562 | return len; |
| 1563 | } |
| 1564 | |
| 1565 | TargetFdTrans target_netlink_audit_trans = { |
| 1566 | .target_to_host_data = netlink_audit_target_to_host, |
| 1567 | .host_to_target_data = netlink_audit_host_to_target, |
| 1568 | }; |
| 1569 | |
| 1570 | /* signalfd siginfo conversion */ |
| 1571 | |
| 1572 | static void |
| 1573 | host_to_target_signalfd_siginfo(struct signalfd_siginfo *tinfo, |
| 1574 | const struct signalfd_siginfo *info) |
| 1575 | { |
| 1576 | int sig = host_to_target_signal(info->ssi_signo); |
| 1577 | |
| 1578 | /* linux/signalfd.h defines a ssi_addr_lsb |
| 1579 | * not defined in sys/signalfd.h but used by some kernels |
| 1580 | */ |
| 1581 | |
| 1582 | #ifdef BUS_MCEERR_AO |
| 1583 | if (tinfo->ssi_signo == SIGBUS && |
| 1584 | (tinfo->ssi_code == BUS_MCEERR_AR || |
| 1585 | tinfo->ssi_code == BUS_MCEERR_AO)) { |
| 1586 | uint16_t *ssi_addr_lsb = (uint16_t *)(&info->ssi_addr + 1); |
| 1587 | uint16_t *tssi_addr_lsb = (uint16_t *)(&tinfo->ssi_addr + 1); |
| 1588 | *tssi_addr_lsb = tswap16(*ssi_addr_lsb); |
| 1589 | } |
| 1590 | #endif |
| 1591 | |
| 1592 | tinfo->ssi_signo = tswap32(sig); |
| 1593 | tinfo->ssi_errno = tswap32(tinfo->ssi_errno); |
| 1594 | tinfo->ssi_code = tswap32(info->ssi_code); |
| 1595 | tinfo->ssi_pid = tswap32(info->ssi_pid); |
| 1596 | tinfo->ssi_uid = tswap32(info->ssi_uid); |
| 1597 | tinfo->ssi_fd = tswap32(info->ssi_fd); |
| 1598 | tinfo->ssi_tid = tswap32(info->ssi_tid); |
| 1599 | tinfo->ssi_band = tswap32(info->ssi_band); |
| 1600 | tinfo->ssi_overrun = tswap32(info->ssi_overrun); |
| 1601 | tinfo->ssi_trapno = tswap32(info->ssi_trapno); |
| 1602 | tinfo->ssi_status = tswap32(info->ssi_status); |
| 1603 | tinfo->ssi_int = tswap32(info->ssi_int); |
| 1604 | tinfo->ssi_ptr = tswap64(info->ssi_ptr); |
| 1605 | tinfo->ssi_utime = tswap64(info->ssi_utime); |
| 1606 | tinfo->ssi_stime = tswap64(info->ssi_stime); |
| 1607 | tinfo->ssi_addr = tswap64(info->ssi_addr); |
| 1608 | } |
| 1609 | |
| 1610 | static abi_long host_to_target_data_signalfd(void *buf, size_t len) |
| 1611 | { |
| 1612 | int i; |
| 1613 | |
| 1614 | for (i = 0; i < len; i += sizeof(struct signalfd_siginfo)) { |
| 1615 | host_to_target_signalfd_siginfo(buf + i, buf + i); |
| 1616 | } |
| 1617 | |
| 1618 | return len; |
| 1619 | } |
| 1620 | |
| 1621 | TargetFdTrans target_signalfd_trans = { |
| 1622 | .host_to_target_data = host_to_target_data_signalfd, |
| 1623 | }; |
| 1624 | |
| 1625 | static abi_long swap_data_eventfd(void *buf, size_t len) |
| 1626 | { |
| 1627 | uint64_t *counter = buf; |
| 1628 | int i; |
| 1629 | |
| 1630 | if (len < sizeof(uint64_t)) { |
| 1631 | return -EINVAL; |
| 1632 | } |
| 1633 | |
| 1634 | for (i = 0; i < len; i += sizeof(uint64_t)) { |
| 1635 | *counter = tswap64(*counter); |
| 1636 | counter++; |
| 1637 | } |
| 1638 | |
| 1639 | return len; |
| 1640 | } |
| 1641 | |
| 1642 | TargetFdTrans target_eventfd_trans = { |
| 1643 | .host_to_target_data = swap_data_eventfd, |
| 1644 | .target_to_host_data = swap_data_eventfd, |
| 1645 | }; |
| 1646 | |
Paul Brook | 33f53ac | 2022-01-26 20:26:36 +0000 | [diff] [blame] | 1647 | #if defined(CONFIG_INOTIFY) && (defined(TARGET_NR_inotify_init) || \ |
| 1648 | defined(TARGET_NR_inotify_init1)) |
Laurent Vivier | f7e6a40 | 2018-08-24 00:22:15 +0200 | [diff] [blame] | 1649 | static abi_long host_to_target_data_inotify(void *buf, size_t len) |
| 1650 | { |
| 1651 | struct inotify_event *ev; |
| 1652 | int i; |
| 1653 | uint32_t name_len; |
| 1654 | |
| 1655 | for (i = 0; i < len; i += sizeof(struct inotify_event) + name_len) { |
| 1656 | ev = (struct inotify_event *)((char *)buf + i); |
| 1657 | name_len = ev->len; |
| 1658 | |
| 1659 | ev->wd = tswap32(ev->wd); |
| 1660 | ev->mask = tswap32(ev->mask); |
| 1661 | ev->cookie = tswap32(ev->cookie); |
| 1662 | ev->len = tswap32(name_len); |
| 1663 | } |
| 1664 | |
| 1665 | return len; |
| 1666 | } |
| 1667 | |
| 1668 | TargetFdTrans target_inotify_trans = { |
| 1669 | .host_to_target_data = host_to_target_data_inotify, |
| 1670 | }; |
| 1671 | #endif |