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linux-user,mips: update syscall-args-o32.c.inc
[qemu.git] / linux-user / fd-trans.c
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f7e6a401
LV		 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"
30#include "fd-trans.h"
31
32enum {
33 QEMU_IFLA_BR_UNSPEC,
34 QEMU_IFLA_BR_FORWARD_DELAY,
35 QEMU_IFLA_BR_HELLO_TIME,
36 QEMU_IFLA_BR_MAX_AGE,
37 QEMU_IFLA_BR_AGEING_TIME,
38 QEMU_IFLA_BR_STP_STATE,
39 QEMU_IFLA_BR_PRIORITY,
40 QEMU_IFLA_BR_VLAN_FILTERING,
41 QEMU_IFLA_BR_VLAN_PROTOCOL,
42 QEMU_IFLA_BR_GROUP_FWD_MASK,
43 QEMU_IFLA_BR_ROOT_ID,
44 QEMU_IFLA_BR_BRIDGE_ID,
45 QEMU_IFLA_BR_ROOT_PORT,
46 QEMU_IFLA_BR_ROOT_PATH_COST,
47 QEMU_IFLA_BR_TOPOLOGY_CHANGE,
48 QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
49 QEMU_IFLA_BR_HELLO_TIMER,
50 QEMU_IFLA_BR_TCN_TIMER,
51 QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER,
52 QEMU_IFLA_BR_GC_TIMER,
53 QEMU_IFLA_BR_GROUP_ADDR,
54 QEMU_IFLA_BR_FDB_FLUSH,
55 QEMU_IFLA_BR_MCAST_ROUTER,
56 QEMU_IFLA_BR_MCAST_SNOOPING,
57 QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR,
58 QEMU_IFLA_BR_MCAST_QUERIER,
59 QEMU_IFLA_BR_MCAST_HASH_ELASTICITY,
60 QEMU_IFLA_BR_MCAST_HASH_MAX,
61 QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT,
62 QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT,
63 QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL,
64 QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL,
65 QEMU_IFLA_BR_MCAST_QUERIER_INTVL,
66 QEMU_IFLA_BR_MCAST_QUERY_INTVL,
67 QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
68 QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
69 QEMU_IFLA_BR_NF_CALL_IPTABLES,
70 QEMU_IFLA_BR_NF_CALL_IP6TABLES,
71 QEMU_IFLA_BR_NF_CALL_ARPTABLES,
72 QEMU_IFLA_BR_VLAN_DEFAULT_PVID,
73 QEMU_IFLA_BR_PAD,
74 QEMU_IFLA_BR_VLAN_STATS_ENABLED,
75 QEMU_IFLA_BR_MCAST_STATS_ENABLED,
76 QEMU_IFLA_BR_MCAST_IGMP_VERSION,
77 QEMU_IFLA_BR_MCAST_MLD_VERSION,
61b463fb
LV		 78 QEMU_IFLA_BR_VLAN_STATS_PER_PORT,
79 QEMU_IFLA_BR_MULTI_BOOLOPT,
f7e6a401
LV		 80 QEMU___IFLA_BR_MAX,
81};
82
83enum {
84 QEMU_IFLA_UNSPEC,
85 QEMU_IFLA_ADDRESS,
86 QEMU_IFLA_BROADCAST,
87 QEMU_IFLA_IFNAME,
88 QEMU_IFLA_MTU,
89 QEMU_IFLA_LINK,
90 QEMU_IFLA_QDISC,
91 QEMU_IFLA_STATS,
92 QEMU_IFLA_COST,
93 QEMU_IFLA_PRIORITY,
94 QEMU_IFLA_MASTER,
95 QEMU_IFLA_WIRELESS,
96 QEMU_IFLA_PROTINFO,
97 QEMU_IFLA_TXQLEN,
98 QEMU_IFLA_MAP,
99 QEMU_IFLA_WEIGHT,
100 QEMU_IFLA_OPERSTATE,
101 QEMU_IFLA_LINKMODE,
102 QEMU_IFLA_LINKINFO,
103 QEMU_IFLA_NET_NS_PID,
104 QEMU_IFLA_IFALIAS,
105 QEMU_IFLA_NUM_VF,
106 QEMU_IFLA_VFINFO_LIST,
107 QEMU_IFLA_STATS64,
108 QEMU_IFLA_VF_PORTS,
109 QEMU_IFLA_PORT_SELF,
110 QEMU_IFLA_AF_SPEC,
111 QEMU_IFLA_GROUP,
112 QEMU_IFLA_NET_NS_FD,
113 QEMU_IFLA_EXT_MASK,
114 QEMU_IFLA_PROMISCUITY,
115 QEMU_IFLA_NUM_TX_QUEUES,
116 QEMU_IFLA_NUM_RX_QUEUES,
117 QEMU_IFLA_CARRIER,
118 QEMU_IFLA_PHYS_PORT_ID,
119 QEMU_IFLA_CARRIER_CHANGES,
120 QEMU_IFLA_PHYS_SWITCH_ID,
121 QEMU_IFLA_LINK_NETNSID,
122 QEMU_IFLA_PHYS_PORT_NAME,
123 QEMU_IFLA_PROTO_DOWN,
124 QEMU_IFLA_GSO_MAX_SEGS,
125 QEMU_IFLA_GSO_MAX_SIZE,
126 QEMU_IFLA_PAD,
127 QEMU_IFLA_XDP,
128 QEMU_IFLA_EVENT,
129 QEMU_IFLA_NEW_NETNSID,
130 QEMU_IFLA_IF_NETNSID,
131 QEMU_IFLA_CARRIER_UP_COUNT,
132 QEMU_IFLA_CARRIER_DOWN_COUNT,
133 QEMU_IFLA_NEW_IFINDEX,
0f5faca7
LV		 134 QEMU_IFLA_MIN_MTU,
135 QEMU_IFLA_MAX_MTU,
f7e6a401
LV		 136 QEMU___IFLA_MAX
137};
138
139enum {
140 QEMU_IFLA_BRPORT_UNSPEC,
141 QEMU_IFLA_BRPORT_STATE,
142 QEMU_IFLA_BRPORT_PRIORITY,
143 QEMU_IFLA_BRPORT_COST,
144 QEMU_IFLA_BRPORT_MODE,
145 QEMU_IFLA_BRPORT_GUARD,
146 QEMU_IFLA_BRPORT_PROTECT,
147 QEMU_IFLA_BRPORT_FAST_LEAVE,
148 QEMU_IFLA_BRPORT_LEARNING,
149 QEMU_IFLA_BRPORT_UNICAST_FLOOD,
150 QEMU_IFLA_BRPORT_PROXYARP,
151 QEMU_IFLA_BRPORT_LEARNING_SYNC,
152 QEMU_IFLA_BRPORT_PROXYARP_WIFI,
153 QEMU_IFLA_BRPORT_ROOT_ID,
154 QEMU_IFLA_BRPORT_BRIDGE_ID,
155 QEMU_IFLA_BRPORT_DESIGNATED_PORT,
156 QEMU_IFLA_BRPORT_DESIGNATED_COST,
157 QEMU_IFLA_BRPORT_ID,
158 QEMU_IFLA_BRPORT_NO,
159 QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
160 QEMU_IFLA_BRPORT_CONFIG_PENDING,
161 QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER,
162 QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER,
163 QEMU_IFLA_BRPORT_HOLD_TIMER,
164 QEMU_IFLA_BRPORT_FLUSH,
165 QEMU_IFLA_BRPORT_MULTICAST_ROUTER,
166 QEMU_IFLA_BRPORT_PAD,
167 QEMU_IFLA_BRPORT_MCAST_FLOOD,
168 QEMU_IFLA_BRPORT_MCAST_TO_UCAST,
169 QEMU_IFLA_BRPORT_VLAN_TUNNEL,
170 QEMU_IFLA_BRPORT_BCAST_FLOOD,
171 QEMU_IFLA_BRPORT_GROUP_FWD_MASK,
172 QEMU_IFLA_BRPORT_NEIGH_SUPPRESS,
0f5faca7
LV		 173 QEMU_IFLA_BRPORT_ISOLATED,
174 QEMU_IFLA_BRPORT_BACKUP_PORT,
f7e6a401
LV		 175 QEMU___IFLA_BRPORT_MAX
176};
177
178enum {
179 QEMU_IFLA_TUN_UNSPEC,
180 QEMU_IFLA_TUN_OWNER,
181 QEMU_IFLA_TUN_GROUP,
182 QEMU_IFLA_TUN_TYPE,
183 QEMU_IFLA_TUN_PI,
184 QEMU_IFLA_TUN_VNET_HDR,
185 QEMU_IFLA_TUN_PERSIST,
186 QEMU_IFLA_TUN_MULTI_QUEUE,
187 QEMU_IFLA_TUN_NUM_QUEUES,
188 QEMU_IFLA_TUN_NUM_DISABLED_QUEUES,
189 QEMU___IFLA_TUN_MAX,
190};
191
192enum {
193 QEMU_IFLA_INFO_UNSPEC,
194 QEMU_IFLA_INFO_KIND,
195 QEMU_IFLA_INFO_DATA,
196 QEMU_IFLA_INFO_XSTATS,
197 QEMU_IFLA_INFO_SLAVE_KIND,
198 QEMU_IFLA_INFO_SLAVE_DATA,
199 QEMU___IFLA_INFO_MAX,
200};
201
202enum {
203 QEMU_IFLA_INET_UNSPEC,
204 QEMU_IFLA_INET_CONF,
205 QEMU___IFLA_INET_MAX,
206};
207
208enum {
209 QEMU_IFLA_INET6_UNSPEC,
210 QEMU_IFLA_INET6_FLAGS,
211 QEMU_IFLA_INET6_CONF,
212 QEMU_IFLA_INET6_STATS,
213 QEMU_IFLA_INET6_MCAST,
214 QEMU_IFLA_INET6_CACHEINFO,
215 QEMU_IFLA_INET6_ICMP6STATS,
216 QEMU_IFLA_INET6_TOKEN,
217 QEMU_IFLA_INET6_ADDR_GEN_MODE,
218 QEMU___IFLA_INET6_MAX
219};
220
221enum {
222 QEMU_IFLA_XDP_UNSPEC,
223 QEMU_IFLA_XDP_FD,
224 QEMU_IFLA_XDP_ATTACHED,
225 QEMU_IFLA_XDP_FLAGS,
226 QEMU_IFLA_XDP_PROG_ID,
227 QEMU___IFLA_XDP_MAX,
228};
229
230enum {
231 QEMU_RTA_UNSPEC,
232 QEMU_RTA_DST,
233 QEMU_RTA_SRC,
234 QEMU_RTA_IIF,
235 QEMU_RTA_OIF,
236 QEMU_RTA_GATEWAY,
237 QEMU_RTA_PRIORITY,
238 QEMU_RTA_PREFSRC,
239 QEMU_RTA_METRICS,
240 QEMU_RTA_MULTIPATH,
241 QEMU_RTA_PROTOINFO, /* no longer used */
242 QEMU_RTA_FLOW,
243 QEMU_RTA_CACHEINFO,
244 QEMU_RTA_SESSION, /* no longer used */
245 QEMU_RTA_MP_ALGO, /* no longer used */
246 QEMU_RTA_TABLE,
247 QEMU_RTA_MARK,
248 QEMU_RTA_MFC_STATS,
249 QEMU_RTA_VIA,
250 QEMU_RTA_NEWDST,
251 QEMU_RTA_PREF,
252 QEMU_RTA_ENCAP_TYPE,
253 QEMU_RTA_ENCAP,
254 QEMU_RTA_EXPIRES,
255 QEMU_RTA_PAD,
256 QEMU_RTA_UID,
257 QEMU_RTA_TTL_PROPAGATE,
258 QEMU_RTA_IP_PROTO,
259 QEMU_RTA_SPORT,
260 QEMU_RTA_DPORT,
261 QEMU___RTA_MAX
262};
263
264TargetFdTrans **target_fd_trans;
265unsigned int target_fd_max;
266
267static void tswap_nlmsghdr(struct nlmsghdr *nlh)
268{
269 nlh->nlmsg_len = tswap32(nlh->nlmsg_len);
270 nlh->nlmsg_type = tswap16(nlh->nlmsg_type);
271 nlh->nlmsg_flags = tswap16(nlh->nlmsg_flags);
272 nlh->nlmsg_seq = tswap32(nlh->nlmsg_seq);
273 nlh->nlmsg_pid = tswap32(nlh->nlmsg_pid);
274}
275
276static abi_long host_to_target_for_each_nlmsg(struct nlmsghdr *nlh,
277 size_t len,
278 abi_long (*host_to_target_nlmsg)
279 (struct nlmsghdr *))
280{
281 uint32_t nlmsg_len;
1645fb5a 282 uint32_t aligned_nlmsg_len;
f7e6a401
LV		 283 abi_long ret;
284
285 while (len > sizeof(struct nlmsghdr)) {
286
287 nlmsg_len = nlh->nlmsg_len;
288 if (nlmsg_len < sizeof(struct nlmsghdr) ||
289 nlmsg_len > len) {
290 break;
291 }
292
293 switch (nlh->nlmsg_type) {
294 case NLMSG_DONE:
295 tswap_nlmsghdr(nlh);
296 return 0;
297 case NLMSG_NOOP:
298 break;
299 case NLMSG_ERROR:
300 {
301 struct nlmsgerr *e = NLMSG_DATA(nlh);
302 e->error = tswap32(e->error);
303 tswap_nlmsghdr(&e->msg);
304 tswap_nlmsghdr(nlh);
305 return 0;
306 }
307 default:
308 ret = host_to_target_nlmsg(nlh);
309 if (ret < 0) {
310 tswap_nlmsghdr(nlh);
311 return ret;
312 }
313 break;
314 }
315 tswap_nlmsghdr(nlh);
1645fb5a
SCW		 316
317 aligned_nlmsg_len = NLMSG_ALIGN(nlmsg_len);
318 if (aligned_nlmsg_len >= len) {
319 break;
320 }
321 len -= aligned_nlmsg_len;
322 nlh = (struct nlmsghdr *)(((char*)nlh) + aligned_nlmsg_len);
f7e6a401
LV		 323 }
324 return 0;
325}
326
327static abi_long target_to_host_for_each_nlmsg(struct nlmsghdr *nlh,
328 size_t len,
329 abi_long (*target_to_host_nlmsg)
330 (struct nlmsghdr *))
331{
1645fb5a 332 uint32_t aligned_nlmsg_len;
f7e6a401
LV		 333 int ret;
334
335 while (len > sizeof(struct nlmsghdr)) {
336 if (tswap32(nlh->nlmsg_len) < sizeof(struct nlmsghdr) ||
337 tswap32(nlh->nlmsg_len) > len) {
338 break;
339 }
340 tswap_nlmsghdr(nlh);
341 switch (nlh->nlmsg_type) {
342 case NLMSG_DONE:
343 return 0;
344 case NLMSG_NOOP:
345 break;
346 case NLMSG_ERROR:
347 {
348 struct nlmsgerr *e = NLMSG_DATA(nlh);
349 e->error = tswap32(e->error);
350 tswap_nlmsghdr(&e->msg);
351 return 0;
352 }
353 default:
354 ret = target_to_host_nlmsg(nlh);
355 if (ret < 0) {
356 return ret;
357 }
358 }
1645fb5a
SCW		 359
360 aligned_nlmsg_len = NLMSG_ALIGN(nlh->nlmsg_len);
361 if (aligned_nlmsg_len >= len) {
362 break;
363 }
364 len -= aligned_nlmsg_len;
365 nlh = (struct nlmsghdr *)(((char *)nlh) + aligned_nlmsg_len);
f7e6a401
LV		 366 }
367 return 0;
368}
369
370#ifdef CONFIG_RTNETLINK
371static abi_long host_to_target_for_each_nlattr(struct nlattr *nlattr,
372 size_t len, void *context,
373 abi_long (*host_to_target_nlattr)
374 (struct nlattr *,
375 void *context))
376{
377 unsigned short nla_len;
1645fb5a 378 unsigned short aligned_nla_len;
f7e6a401
LV		 379 abi_long ret;
380
381 while (len > sizeof(struct nlattr)) {
382 nla_len = nlattr->nla_len;
383 if (nla_len < sizeof(struct nlattr) ||
384 nla_len > len) {
385 break;
386 }
387 ret = host_to_target_nlattr(nlattr, context);
388 nlattr->nla_len = tswap16(nlattr->nla_len);
389 nlattr->nla_type = tswap16(nlattr->nla_type);
390 if (ret < 0) {
391 return ret;
392 }
1645fb5a
SCW		 393
394 aligned_nla_len = NLA_ALIGN(nla_len);
395 if (aligned_nla_len >= len) {
396 break;
397 }
398 len -= aligned_nla_len;
399 nlattr = (struct nlattr *)(((char *)nlattr) + aligned_nla_len);
f7e6a401
LV		 400 }
401 return 0;
402}
403
404static abi_long host_to_target_for_each_rtattr(struct rtattr *rtattr,
405 size_t len,
406 abi_long (*host_to_target_rtattr)
407 (struct rtattr *))
408{
409 unsigned short rta_len;
1645fb5a 410 unsigned short aligned_rta_len;
f7e6a401
LV		 411 abi_long ret;
412
413 while (len > sizeof(struct rtattr)) {
414 rta_len = rtattr->rta_len;
415 if (rta_len < sizeof(struct rtattr) ||
416 rta_len > len) {
417 break;
418 }
419 ret = host_to_target_rtattr(rtattr);
420 rtattr->rta_len = tswap16(rtattr->rta_len);
421 rtattr->rta_type = tswap16(rtattr->rta_type);
422 if (ret < 0) {
423 return ret;
424 }
1645fb5a
SCW		 425
426 aligned_rta_len = RTA_ALIGN(rta_len);
427 if (aligned_rta_len >= len) {
428 break;
429 }
430 len -= aligned_rta_len;
431 rtattr = (struct rtattr *)(((char *)rtattr) + aligned_rta_len);
f7e6a401
LV		 432 }
433 return 0;
434}
435
436#define NLA_DATA(nla) ((void *)((char *)(nla)) + NLA_HDRLEN)
437
438static abi_long host_to_target_data_bridge_nlattr(struct nlattr *nlattr,
439 void *context)
440{
441 uint16_t *u16;
442 uint32_t *u32;
443 uint64_t *u64;
444
445 switch (nlattr->nla_type) {
446 /* no data */
447 case QEMU_IFLA_BR_FDB_FLUSH:
448 break;
449 /* binary */
450 case QEMU_IFLA_BR_GROUP_ADDR:
451 break;
452 /* uint8_t */
453 case QEMU_IFLA_BR_VLAN_FILTERING:
454 case QEMU_IFLA_BR_TOPOLOGY_CHANGE:
455 case QEMU_IFLA_BR_TOPOLOGY_CHANGE_DETECTED:
456 case QEMU_IFLA_BR_MCAST_ROUTER:
457 case QEMU_IFLA_BR_MCAST_SNOOPING:
458 case QEMU_IFLA_BR_MCAST_QUERY_USE_IFADDR:
459 case QEMU_IFLA_BR_MCAST_QUERIER:
460 case QEMU_IFLA_BR_NF_CALL_IPTABLES:
461 case QEMU_IFLA_BR_NF_CALL_IP6TABLES:
462 case QEMU_IFLA_BR_NF_CALL_ARPTABLES:
463 case QEMU_IFLA_BR_VLAN_STATS_ENABLED:
464 case QEMU_IFLA_BR_MCAST_STATS_ENABLED:
465 case QEMU_IFLA_BR_MCAST_IGMP_VERSION:
466 case QEMU_IFLA_BR_MCAST_MLD_VERSION:
61b463fb 467 case QEMU_IFLA_BR_VLAN_STATS_PER_PORT:
f7e6a401
LV		 468 break;
469 /* uint16_t */
470 case QEMU_IFLA_BR_PRIORITY:
471 case QEMU_IFLA_BR_VLAN_PROTOCOL:
472 case QEMU_IFLA_BR_GROUP_FWD_MASK:
473 case QEMU_IFLA_BR_ROOT_PORT:
474 case QEMU_IFLA_BR_VLAN_DEFAULT_PVID:
475 u16 = NLA_DATA(nlattr);
476 *u16 = tswap16(*u16);
477 break;
478 /* uint32_t */
479 case QEMU_IFLA_BR_FORWARD_DELAY:
480 case QEMU_IFLA_BR_HELLO_TIME:
481 case QEMU_IFLA_BR_MAX_AGE:
482 case QEMU_IFLA_BR_AGEING_TIME:
483 case QEMU_IFLA_BR_STP_STATE:
484 case QEMU_IFLA_BR_ROOT_PATH_COST:
485 case QEMU_IFLA_BR_MCAST_HASH_ELASTICITY:
486 case QEMU_IFLA_BR_MCAST_HASH_MAX:
487 case QEMU_IFLA_BR_MCAST_LAST_MEMBER_CNT:
488 case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_CNT:
489 u32 = NLA_DATA(nlattr);
490 *u32 = tswap32(*u32);
491 break;
492 /* uint64_t */
493 case QEMU_IFLA_BR_HELLO_TIMER:
494 case QEMU_IFLA_BR_TCN_TIMER:
495 case QEMU_IFLA_BR_GC_TIMER:
496 case QEMU_IFLA_BR_TOPOLOGY_CHANGE_TIMER:
497 case QEMU_IFLA_BR_MCAST_LAST_MEMBER_INTVL:
498 case QEMU_IFLA_BR_MCAST_MEMBERSHIP_INTVL:
499 case QEMU_IFLA_BR_MCAST_QUERIER_INTVL:
500 case QEMU_IFLA_BR_MCAST_QUERY_INTVL:
501 case QEMU_IFLA_BR_MCAST_QUERY_RESPONSE_INTVL:
502 case QEMU_IFLA_BR_MCAST_STARTUP_QUERY_INTVL:
503 u64 = NLA_DATA(nlattr);
504 *u64 = tswap64(*u64);
505 break;
506 /* ifla_bridge_id: uin8_t[] */
507 case QEMU_IFLA_BR_ROOT_ID:
508 case QEMU_IFLA_BR_BRIDGE_ID:
509 break;
01154f79
LV		 510 /* br_boolopt_multi { uint32_t, uint32_t } */
511 case QEMU_IFLA_BR_MULTI_BOOLOPT:
512 u32 = NLA_DATA(nlattr);
513 u32[0] = tswap32(u32[0]); /* optval */
514 u32[1] = tswap32(u32[1]); /* optmask */
515 break;
f7e6a401 516 default:
39be5350
JK		 517 qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_BR type %d\n",
518 nlattr->nla_type);
f7e6a401
LV		 519 break;
520 }
521 return 0;
522}
523
524static abi_long host_to_target_slave_data_bridge_nlattr(struct nlattr *nlattr,
525 void *context)
526{
527 uint16_t *u16;
528 uint32_t *u32;
529 uint64_t *u64;
530
531 switch (nlattr->nla_type) {
532 /* uint8_t */
533 case QEMU_IFLA_BRPORT_STATE:
534 case QEMU_IFLA_BRPORT_MODE:
535 case QEMU_IFLA_BRPORT_GUARD:
536 case QEMU_IFLA_BRPORT_PROTECT:
537 case QEMU_IFLA_BRPORT_FAST_LEAVE:
538 case QEMU_IFLA_BRPORT_LEARNING:
539 case QEMU_IFLA_BRPORT_UNICAST_FLOOD:
540 case QEMU_IFLA_BRPORT_PROXYARP:
541 case QEMU_IFLA_BRPORT_LEARNING_SYNC:
542 case QEMU_IFLA_BRPORT_PROXYARP_WIFI:
543 case QEMU_IFLA_BRPORT_TOPOLOGY_CHANGE_ACK:
544 case QEMU_IFLA_BRPORT_CONFIG_PENDING:
545 case QEMU_IFLA_BRPORT_MULTICAST_ROUTER:
546 case QEMU_IFLA_BRPORT_MCAST_FLOOD:
547 case QEMU_IFLA_BRPORT_MCAST_TO_UCAST:
548 case QEMU_IFLA_BRPORT_VLAN_TUNNEL:
549 case QEMU_IFLA_BRPORT_BCAST_FLOOD:
550 case QEMU_IFLA_BRPORT_NEIGH_SUPPRESS:
0f5faca7 551 case QEMU_IFLA_BRPORT_ISOLATED:
f7e6a401
LV		 552 break;
553 /* uint16_t */
554 case QEMU_IFLA_BRPORT_PRIORITY:
555 case QEMU_IFLA_BRPORT_DESIGNATED_PORT:
556 case QEMU_IFLA_BRPORT_DESIGNATED_COST:
557 case QEMU_IFLA_BRPORT_ID:
558 case QEMU_IFLA_BRPORT_NO:
559 case QEMU_IFLA_BRPORT_GROUP_FWD_MASK:
560 u16 = NLA_DATA(nlattr);
561 *u16 = tswap16(*u16);
562 break;
563 /* uin32_t */
564 case QEMU_IFLA_BRPORT_COST:
0f5faca7 565 case QEMU_IFLA_BRPORT_BACKUP_PORT:
f7e6a401
LV		 566 u32 = NLA_DATA(nlattr);
567 *u32 = tswap32(*u32);
568 break;
569 /* uint64_t */
570 case QEMU_IFLA_BRPORT_MESSAGE_AGE_TIMER:
571 case QEMU_IFLA_BRPORT_FORWARD_DELAY_TIMER:
572 case QEMU_IFLA_BRPORT_HOLD_TIMER:
573 u64 = NLA_DATA(nlattr);
574 *u64 = tswap64(*u64);
575 break;
576 /* ifla_bridge_id: uint8_t[] */
577 case QEMU_IFLA_BRPORT_ROOT_ID:
578 case QEMU_IFLA_BRPORT_BRIDGE_ID:
579 break;
580 default:
39be5350
JK		 581 qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_BRPORT type %d\n",
582 nlattr->nla_type);
f7e6a401
LV		 583 break;
584 }
585 return 0;
586}
587
588static abi_long host_to_target_data_tun_nlattr(struct nlattr *nlattr,
589 void *context)
590{
591 uint32_t *u32;
592
593 switch (nlattr->nla_type) {
594 /* uint8_t */
595 case QEMU_IFLA_TUN_TYPE:
596 case QEMU_IFLA_TUN_PI:
597 case QEMU_IFLA_TUN_VNET_HDR:
598 case QEMU_IFLA_TUN_PERSIST:
599 case QEMU_IFLA_TUN_MULTI_QUEUE:
600 break;
601 /* uint32_t */
602 case QEMU_IFLA_TUN_NUM_QUEUES:
603 case QEMU_IFLA_TUN_NUM_DISABLED_QUEUES:
604 case QEMU_IFLA_TUN_OWNER:
605 case QEMU_IFLA_TUN_GROUP:
606 u32 = NLA_DATA(nlattr);
607 *u32 = tswap32(*u32);
608 break;
609 default:
39be5350
JK		 610 qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_TUN type %d\n",
611 nlattr->nla_type);
f7e6a401
LV		 612 break;
613 }
614 return 0;
615}
616
617struct linkinfo_context {
618 int len;
619 char *name;
620 int slave_len;
621 char *slave_name;
622};
623
624static abi_long host_to_target_data_linkinfo_nlattr(struct nlattr *nlattr,
625 void *context)
626{
627 struct linkinfo_context *li_context = context;
628
629 switch (nlattr->nla_type) {
630 /* string */
631 case QEMU_IFLA_INFO_KIND:
632 li_context->name = NLA_DATA(nlattr);
633 li_context->len = nlattr->nla_len - NLA_HDRLEN;
634 break;
635 case QEMU_IFLA_INFO_SLAVE_KIND:
636 li_context->slave_name = NLA_DATA(nlattr);
637 li_context->slave_len = nlattr->nla_len - NLA_HDRLEN;
638 break;
639 /* stats */
640 case QEMU_IFLA_INFO_XSTATS:
641 /* FIXME: only used by CAN */
642 break;
643 /* nested */
644 case QEMU_IFLA_INFO_DATA:
645 if (strncmp(li_context->name, "bridge",
646 li_context->len) == 0) {
647 return host_to_target_for_each_nlattr(NLA_DATA(nlattr),
648 nlattr->nla_len,
649 NULL,
650 host_to_target_data_bridge_nlattr);
651 } else if (strncmp(li_context->name, "tun",
652 li_context->len) == 0) {
653 return host_to_target_for_each_nlattr(NLA_DATA(nlattr),
654 nlattr->nla_len,
655 NULL,
656 host_to_target_data_tun_nlattr);
657 } else {
39be5350
JK		 658 qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_INFO_KIND %s\n",
659 li_context->name);
f7e6a401
LV		 660 }
661 break;
662 case QEMU_IFLA_INFO_SLAVE_DATA:
663 if (strncmp(li_context->slave_name, "bridge",
664 li_context->slave_len) == 0) {
665 return host_to_target_for_each_nlattr(NLA_DATA(nlattr),
666 nlattr->nla_len,
667 NULL,
668 host_to_target_slave_data_bridge_nlattr);
669 } else {
39be5350 670 qemu_log_mask(LOG_UNIMP, "Unknown QEMU_IFLA_INFO_SLAVE_KIND %s\n",
f7e6a401
LV		 671 li_context->slave_name);
672 }
673 break;
674 default:
39be5350
JK		 675 qemu_log_mask(LOG_UNIMP, "Unknown host QEMU_IFLA_INFO type: %d\n",
676 nlattr->nla_type);
f7e6a401
LV		 677 break;
678 }
679
680 return 0;
681}
682
683static abi_long host_to_target_data_inet_nlattr(struct nlattr *nlattr,
684 void *context)
685{
686 uint32_t *u32;
687 int i;
688
689 switch (nlattr->nla_type) {
690 case QEMU_IFLA_INET_CONF:
691 u32 = NLA_DATA(nlattr);
692 for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32);
693 i++) {
694 u32[i] = tswap32(u32[i]);
695 }
696 break;
697 default:
39be5350
JK		 698 qemu_log_mask(LOG_UNIMP, "Unknown host AF_INET type: %d\n",
699 nlattr->nla_type);
f7e6a401
LV		 700 }
701 return 0;
702}
703
704static abi_long host_to_target_data_inet6_nlattr(struct nlattr *nlattr,
705 void *context)
706{
707 uint32_t *u32;
708 uint64_t *u64;
709 struct ifla_cacheinfo *ci;
710 int i;
711
712 switch (nlattr->nla_type) {
713 /* binaries */
714 case QEMU_IFLA_INET6_TOKEN:
715 break;
716 /* uint8_t */
717 case QEMU_IFLA_INET6_ADDR_GEN_MODE:
718 break;
719 /* uint32_t */
720 case QEMU_IFLA_INET6_FLAGS:
721 u32 = NLA_DATA(nlattr);
722 *u32 = tswap32(*u32);
723 break;
724 /* uint32_t[] */
725 case QEMU_IFLA_INET6_CONF:
726 u32 = NLA_DATA(nlattr);
727 for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u32);
728 i++) {
729 u32[i] = tswap32(u32[i]);
730 }
731 break;
732 /* ifla_cacheinfo */
733 case QEMU_IFLA_INET6_CACHEINFO:
734 ci = NLA_DATA(nlattr);
735 ci->max_reasm_len = tswap32(ci->max_reasm_len);
736 ci->tstamp = tswap32(ci->tstamp);
737 ci->reachable_time = tswap32(ci->reachable_time);
738 ci->retrans_time = tswap32(ci->retrans_time);
739 break;
740 /* uint64_t[] */
741 case QEMU_IFLA_INET6_STATS:
742 case QEMU_IFLA_INET6_ICMP6STATS:
743 u64 = NLA_DATA(nlattr);
744 for (i = 0; i < (nlattr->nla_len - NLA_HDRLEN) / sizeof(*u64);
745 i++) {
746 u64[i] = tswap64(u64[i]);
747 }
748 break;
749 default:
39be5350
JK		 750 qemu_log_mask(LOG_UNIMP, "Unknown host AF_INET6 type: %d\n",
751 nlattr->nla_type);
f7e6a401
LV		 752 }
753 return 0;
754}
755
756static abi_long host_to_target_data_spec_nlattr(struct nlattr *nlattr,
757 void *context)
758{
759 switch (nlattr->nla_type) {
760 case AF_INET:
761 return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len,
762 NULL,
763 host_to_target_data_inet_nlattr);
764 case AF_INET6:
765 return host_to_target_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len,
766 NULL,
767 host_to_target_data_inet6_nlattr);
768 default:
39be5350
JK		 769 qemu_log_mask(LOG_UNIMP, "Unknown host AF_SPEC type: %d\n",
770 nlattr->nla_type);
f7e6a401
LV		 771 break;
772 }
773 return 0;
774}
775
776static abi_long host_to_target_data_xdp_nlattr(struct nlattr *nlattr,
777 void *context)
778{
779 uint32_t *u32;
780
781 switch (nlattr->nla_type) {
782 /* uint8_t */
783 case QEMU_IFLA_XDP_ATTACHED:
784 break;
785 /* uint32_t */
786 case QEMU_IFLA_XDP_PROG_ID:
787 u32 = NLA_DATA(nlattr);
788 *u32 = tswap32(*u32);
789 break;
790 default:
39be5350
JK		 791 qemu_log_mask(
792 LOG_UNIMP, "Unknown host XDP type: %d\n", nlattr->nla_type);
f7e6a401
LV		 793 break;
794 }
795 return 0;
796}
797
798static abi_long host_to_target_data_link_rtattr(struct rtattr *rtattr)
799{
800 uint32_t *u32;
801 struct rtnl_link_stats *st;
802 struct rtnl_link_stats64 *st64;
803 struct rtnl_link_ifmap *map;
804 struct linkinfo_context li_context;
805
806 switch (rtattr->rta_type) {
807 /* binary stream */
808 case QEMU_IFLA_ADDRESS:
809 case QEMU_IFLA_BROADCAST:
810 /* string */
811 case QEMU_IFLA_IFNAME:
812 case QEMU_IFLA_QDISC:
813 break;
814 /* uin8_t */
815 case QEMU_IFLA_OPERSTATE:
816 case QEMU_IFLA_LINKMODE:
817 case QEMU_IFLA_CARRIER:
818 case QEMU_IFLA_PROTO_DOWN:
819 break;
820 /* uint32_t */
821 case QEMU_IFLA_MTU:
822 case QEMU_IFLA_LINK:
823 case QEMU_IFLA_WEIGHT:
824 case QEMU_IFLA_TXQLEN:
825 case QEMU_IFLA_CARRIER_CHANGES:
826 case QEMU_IFLA_NUM_RX_QUEUES:
827 case QEMU_IFLA_NUM_TX_QUEUES:
828 case QEMU_IFLA_PROMISCUITY:
829 case QEMU_IFLA_EXT_MASK:
830 case QEMU_IFLA_LINK_NETNSID:
831 case QEMU_IFLA_GROUP:
832 case QEMU_IFLA_MASTER:
833 case QEMU_IFLA_NUM_VF:
834 case QEMU_IFLA_GSO_MAX_SEGS:
835 case QEMU_IFLA_GSO_MAX_SIZE:
836 case QEMU_IFLA_CARRIER_UP_COUNT:
837 case QEMU_IFLA_CARRIER_DOWN_COUNT:
0f5faca7
LV		 838 case QEMU_IFLA_MIN_MTU:
839 case QEMU_IFLA_MAX_MTU:
f7e6a401
LV		 840 u32 = RTA_DATA(rtattr);
841 *u32 = tswap32(*u32);
842 break;
843 /* struct rtnl_link_stats */
844 case QEMU_IFLA_STATS:
845 st = RTA_DATA(rtattr);
846 st->rx_packets = tswap32(st->rx_packets);
847 st->tx_packets = tswap32(st->tx_packets);
848 st->rx_bytes = tswap32(st->rx_bytes);
849 st->tx_bytes = tswap32(st->tx_bytes);
850 st->rx_errors = tswap32(st->rx_errors);
851 st->tx_errors = tswap32(st->tx_errors);
852 st->rx_dropped = tswap32(st->rx_dropped);
853 st->tx_dropped = tswap32(st->tx_dropped);
854 st->multicast = tswap32(st->multicast);
855 st->collisions = tswap32(st->collisions);
856
857 /* detailed rx_errors: */
858 st->rx_length_errors = tswap32(st->rx_length_errors);
859 st->rx_over_errors = tswap32(st->rx_over_errors);
860 st->rx_crc_errors = tswap32(st->rx_crc_errors);
861 st->rx_frame_errors = tswap32(st->rx_frame_errors);
862 st->rx_fifo_errors = tswap32(st->rx_fifo_errors);
863 st->rx_missed_errors = tswap32(st->rx_missed_errors);
864
865 /* detailed tx_errors */
866 st->tx_aborted_errors = tswap32(st->tx_aborted_errors);
867 st->tx_carrier_errors = tswap32(st->tx_carrier_errors);
868 st->tx_fifo_errors = tswap32(st->tx_fifo_errors);
869 st->tx_heartbeat_errors = tswap32(st->tx_heartbeat_errors);
870 st->tx_window_errors = tswap32(st->tx_window_errors);
871
872 /* for cslip etc */
873 st->rx_compressed = tswap32(st->rx_compressed);
874 st->tx_compressed = tswap32(st->tx_compressed);
875 break;
876 /* struct rtnl_link_stats64 */
877 case QEMU_IFLA_STATS64:
878 st64 = RTA_DATA(rtattr);
879 st64->rx_packets = tswap64(st64->rx_packets);
880 st64->tx_packets = tswap64(st64->tx_packets);
881 st64->rx_bytes = tswap64(st64->rx_bytes);
882 st64->tx_bytes = tswap64(st64->tx_bytes);
883 st64->rx_errors = tswap64(st64->rx_errors);
884 st64->tx_errors = tswap64(st64->tx_errors);
885 st64->rx_dropped = tswap64(st64->rx_dropped);
886 st64->tx_dropped = tswap64(st64->tx_dropped);
887 st64->multicast = tswap64(st64->multicast);
888 st64->collisions = tswap64(st64->collisions);
889
890 /* detailed rx_errors: */
891 st64->rx_length_errors = tswap64(st64->rx_length_errors);
892 st64->rx_over_errors = tswap64(st64->rx_over_errors);
893 st64->rx_crc_errors = tswap64(st64->rx_crc_errors);
894 st64->rx_frame_errors = tswap64(st64->rx_frame_errors);
895 st64->rx_fifo_errors = tswap64(st64->rx_fifo_errors);
896 st64->rx_missed_errors = tswap64(st64->rx_missed_errors);
897
898 /* detailed tx_errors */
899 st64->tx_aborted_errors = tswap64(st64->tx_aborted_errors);
900 st64->tx_carrier_errors = tswap64(st64->tx_carrier_errors);
901 st64->tx_fifo_errors = tswap64(st64->tx_fifo_errors);
902 st64->tx_heartbeat_errors = tswap64(st64->tx_heartbeat_errors);
903 st64->tx_window_errors = tswap64(st64->tx_window_errors);
904
905 /* for cslip etc */
906 st64->rx_compressed = tswap64(st64->rx_compressed);
907 st64->tx_compressed = tswap64(st64->tx_compressed);
908 break;
909 /* struct rtnl_link_ifmap */
910 case QEMU_IFLA_MAP:
911 map = RTA_DATA(rtattr);
912 map->mem_start = tswap64(map->mem_start);
913 map->mem_end = tswap64(map->mem_end);
914 map->base_addr = tswap64(map->base_addr);
915 map->irq = tswap16(map->irq);
916 break;
917 /* nested */
918 case QEMU_IFLA_LINKINFO:
919 memset(&li_context, 0, sizeof(li_context));
920 return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
921 &li_context,
922 host_to_target_data_linkinfo_nlattr);
923 case QEMU_IFLA_AF_SPEC:
924 return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
925 NULL,
926 host_to_target_data_spec_nlattr);
927 case QEMU_IFLA_XDP:
928 return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
929 NULL,
930 host_to_target_data_xdp_nlattr);
931 default:
39be5350
JK		 932 qemu_log_mask(LOG_UNIMP, "Unknown host QEMU_IFLA type: %d\n",
933 rtattr->rta_type);
f7e6a401
LV		 934 break;
935 }
936 return 0;
937}
938
939static abi_long host_to_target_data_addr_rtattr(struct rtattr *rtattr)
940{
941 uint32_t *u32;
942 struct ifa_cacheinfo *ci;
943
944 switch (rtattr->rta_type) {
945 /* binary: depends on family type */
946 case IFA_ADDRESS:
947 case IFA_LOCAL:
948 break;
949 /* string */
950 case IFA_LABEL:
951 break;
952 /* u32 */
953 case IFA_FLAGS:
954 case IFA_BROADCAST:
955 u32 = RTA_DATA(rtattr);
956 *u32 = tswap32(*u32);
957 break;
958 /* struct ifa_cacheinfo */
959 case IFA_CACHEINFO:
960 ci = RTA_DATA(rtattr);
961 ci->ifa_prefered = tswap32(ci->ifa_prefered);
962 ci->ifa_valid = tswap32(ci->ifa_valid);
963 ci->cstamp = tswap32(ci->cstamp);
964 ci->tstamp = tswap32(ci->tstamp);
965 break;
966 default:
39be5350
JK		 967 qemu_log_mask(
968 LOG_UNIMP, "Unknown host IFA type: %d\n", rtattr->rta_type);
f7e6a401
LV		 969 break;
970 }
971 return 0;
972}
973
974static abi_long host_to_target_data_route_rtattr(struct rtattr *rtattr)
975{
976 uint32_t *u32;
977 struct rta_cacheinfo *ci;
978
979 switch (rtattr->rta_type) {
980 /* binary: depends on family type */
981 case QEMU_RTA_GATEWAY:
982 case QEMU_RTA_DST:
983 case QEMU_RTA_PREFSRC:
984 break;
985 /* u8 */
986 case QEMU_RTA_PREF:
987 break;
988 /* u32 */
989 case QEMU_RTA_PRIORITY:
990 case QEMU_RTA_TABLE:
991 case QEMU_RTA_OIF:
992 u32 = RTA_DATA(rtattr);
993 *u32 = tswap32(*u32);
994 break;
995 /* struct rta_cacheinfo */
996 case QEMU_RTA_CACHEINFO:
997 ci = RTA_DATA(rtattr);
998 ci->rta_clntref = tswap32(ci->rta_clntref);
999 ci->rta_lastuse = tswap32(ci->rta_lastuse);
1000 ci->rta_expires = tswap32(ci->rta_expires);
1001 ci->rta_error = tswap32(ci->rta_error);
1002 ci->rta_used = tswap32(ci->rta_used);
1003#if defined(RTNETLINK_HAVE_PEERINFO)
1004 ci->rta_id = tswap32(ci->rta_id);
1005 ci->rta_ts = tswap32(ci->rta_ts);
1006 ci->rta_tsage = tswap32(ci->rta_tsage);
1007#endif
1008 break;
1009 default:
39be5350
JK		 1010 qemu_log_mask(
1011 LOG_UNIMP, "Unknown host RTA type: %d\n", rtattr->rta_type);
f7e6a401
LV		 1012 break;
1013 }
1014 return 0;
1015}
1016
1017static abi_long host_to_target_link_rtattr(struct rtattr *rtattr,
1018 uint32_t rtattr_len)
1019{
1020 return host_to_target_for_each_rtattr(rtattr, rtattr_len,
1021 host_to_target_data_link_rtattr);
1022}
1023
1024static abi_long host_to_target_addr_rtattr(struct rtattr *rtattr,
1025 uint32_t rtattr_len)
1026{
1027 return host_to_target_for_each_rtattr(rtattr, rtattr_len,
1028 host_to_target_data_addr_rtattr);
1029}
1030
1031static abi_long host_to_target_route_rtattr(struct rtattr *rtattr,
1032 uint32_t rtattr_len)
1033{
1034 return host_to_target_for_each_rtattr(rtattr, rtattr_len,
1035 host_to_target_data_route_rtattr);
1036}
1037
1038static abi_long host_to_target_data_route(struct nlmsghdr *nlh)
1039{
1040 uint32_t nlmsg_len;
1041 struct ifinfomsg *ifi;
1042 struct ifaddrmsg *ifa;
1043 struct rtmsg *rtm;
1044
1045 nlmsg_len = nlh->nlmsg_len;
1046 switch (nlh->nlmsg_type) {
1047 case RTM_NEWLINK:
1048 case RTM_DELLINK:
1049 case RTM_GETLINK:
1050 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) {
1051 ifi = NLMSG_DATA(nlh);
1052 ifi->ifi_type = tswap16(ifi->ifi_type);
1053 ifi->ifi_index = tswap32(ifi->ifi_index);
1054 ifi->ifi_flags = tswap32(ifi->ifi_flags);
1055 ifi->ifi_change = tswap32(ifi->ifi_change);
1056 host_to_target_link_rtattr(IFLA_RTA(ifi),
1057 nlmsg_len - NLMSG_LENGTH(sizeof(*ifi)));
1058 }
1059 break;
1060 case RTM_NEWADDR:
1061 case RTM_DELADDR:
1062 case RTM_GETADDR:
1063 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) {
1064 ifa = NLMSG_DATA(nlh);
1065 ifa->ifa_index = tswap32(ifa->ifa_index);
1066 host_to_target_addr_rtattr(IFA_RTA(ifa),
1067 nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
1068 }
1069 break;
1070 case RTM_NEWROUTE:
1071 case RTM_DELROUTE:
1072 case RTM_GETROUTE:
1073 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) {
1074 rtm = NLMSG_DATA(nlh);
1075 rtm->rtm_flags = tswap32(rtm->rtm_flags);
1076 host_to_target_route_rtattr(RTM_RTA(rtm),
1077 nlmsg_len - NLMSG_LENGTH(sizeof(*rtm)));
1078 }
1079 break;
1080 default:
1081 return -TARGET_EINVAL;
1082 }
1083 return 0;
1084}
1085
1086static inline abi_long host_to_target_nlmsg_route(struct nlmsghdr *nlh,
1087 size_t len)
1088{
1089 return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_route);
1090}
1091
1092static abi_long target_to_host_for_each_rtattr(struct rtattr *rtattr,
1093 size_t len,
1094 abi_long (*target_to_host_rtattr)
1095 (struct rtattr *))
1096{
1645fb5a 1097 unsigned short aligned_rta_len;
f7e6a401
LV		 1098 abi_long ret;
1099
1100 while (len >= sizeof(struct rtattr)) {
1101 if (tswap16(rtattr->rta_len) < sizeof(struct rtattr) ||
1102 tswap16(rtattr->rta_len) > len) {
1103 break;
1104 }
1105 rtattr->rta_len = tswap16(rtattr->rta_len);
1106 rtattr->rta_type = tswap16(rtattr->rta_type);
1107 ret = target_to_host_rtattr(rtattr);
1108 if (ret < 0) {
1109 return ret;
1110 }
1645fb5a
SCW		 1111
1112 aligned_rta_len = RTA_ALIGN(rtattr->rta_len);
1113 if (aligned_rta_len >= len) {
1114 break;
1115 }
1116 len -= aligned_rta_len;
1117 rtattr = (struct rtattr *)(((char *)rtattr) + aligned_rta_len);
f7e6a401
LV		 1118 }
1119 return 0;
1120}
1121
1122static abi_long target_to_host_data_link_rtattr(struct rtattr *rtattr)
1123{
1124 switch (rtattr->rta_type) {
1125 default:
39be5350
JK		 1126 qemu_log_mask(LOG_UNIMP, "Unknown target QEMU_IFLA type: %d\n",
1127 rtattr->rta_type);
f7e6a401
LV		 1128 break;
1129 }
1130 return 0;
1131}
1132
1133static abi_long target_to_host_data_addr_rtattr(struct rtattr *rtattr)
1134{
1135 switch (rtattr->rta_type) {
1136 /* binary: depends on family type */
1137 case IFA_LOCAL:
1138 case IFA_ADDRESS:
1139 break;
1140 default:
39be5350
JK		 1141 qemu_log_mask(LOG_UNIMP, "Unknown target IFA type: %d\n",
1142 rtattr->rta_type);
f7e6a401
LV		 1143 break;
1144 }
1145 return 0;
1146}
1147
1148static abi_long target_to_host_data_route_rtattr(struct rtattr *rtattr)
1149{
1150 uint32_t *u32;
1151 switch (rtattr->rta_type) {
1152 /* binary: depends on family type */
1153 case QEMU_RTA_DST:
1154 case QEMU_RTA_SRC:
1155 case QEMU_RTA_GATEWAY:
1156 break;
1157 /* u32 */
1158 case QEMU_RTA_PRIORITY:
1159 case QEMU_RTA_OIF:
1160 u32 = RTA_DATA(rtattr);
1161 *u32 = tswap32(*u32);
1162 break;
1163 default:
39be5350
JK		 1164 qemu_log_mask(LOG_UNIMP, "Unknown target RTA type: %d\n",
1165 rtattr->rta_type);
f7e6a401
LV		 1166 break;
1167 }
1168 return 0;
1169}
1170
1171static void target_to_host_link_rtattr(struct rtattr *rtattr,
1172 uint32_t rtattr_len)
1173{
1174 target_to_host_for_each_rtattr(rtattr, rtattr_len,
1175 target_to_host_data_link_rtattr);
1176}
1177
1178static void target_to_host_addr_rtattr(struct rtattr *rtattr,
1179 uint32_t rtattr_len)
1180{
1181 target_to_host_for_each_rtattr(rtattr, rtattr_len,
1182 target_to_host_data_addr_rtattr);
1183}
1184
1185static void target_to_host_route_rtattr(struct rtattr *rtattr,
1186 uint32_t rtattr_len)
1187{
1188 target_to_host_for_each_rtattr(rtattr, rtattr_len,
1189 target_to_host_data_route_rtattr);
1190}
1191
1192static abi_long target_to_host_data_route(struct nlmsghdr *nlh)
1193{
1194 struct ifinfomsg *ifi;
1195 struct ifaddrmsg *ifa;
1196 struct rtmsg *rtm;
1197
1198 switch (nlh->nlmsg_type) {
1199 case RTM_GETLINK:
1200 break;
1201 case RTM_NEWLINK:
1202 case RTM_DELLINK:
1203 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) {
1204 ifi = NLMSG_DATA(nlh);
1205 ifi->ifi_type = tswap16(ifi->ifi_type);
1206 ifi->ifi_index = tswap32(ifi->ifi_index);
1207 ifi->ifi_flags = tswap32(ifi->ifi_flags);
1208 ifi->ifi_change = tswap32(ifi->ifi_change);
1209 target_to_host_link_rtattr(IFLA_RTA(ifi), nlh->nlmsg_len -
1210 NLMSG_LENGTH(sizeof(*ifi)));
1211 }
1212 break;
1213 case RTM_GETADDR:
1214 case RTM_NEWADDR:
1215 case RTM_DELADDR:
1216 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifa))) {
1217 ifa = NLMSG_DATA(nlh);
1218 ifa->ifa_index = tswap32(ifa->ifa_index);
1219 target_to_host_addr_rtattr(IFA_RTA(ifa), nlh->nlmsg_len -
1220 NLMSG_LENGTH(sizeof(*ifa)));
1221 }
1222 break;
1223 case RTM_GETROUTE:
1224 break;
1225 case RTM_NEWROUTE:
1226 case RTM_DELROUTE:
1227 if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) {
1228 rtm = NLMSG_DATA(nlh);
1229 rtm->rtm_flags = tswap32(rtm->rtm_flags);
1230 target_to_host_route_rtattr(RTM_RTA(rtm), nlh->nlmsg_len -
1231 NLMSG_LENGTH(sizeof(*rtm)));
1232 }
1233 break;
1234 default:
1235 return -TARGET_EOPNOTSUPP;
1236 }
1237 return 0;
1238}
1239
1240static abi_long target_to_host_nlmsg_route(struct nlmsghdr *nlh, size_t len)
1241{
1242 return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_route);
1243}
1244#endif /* CONFIG_RTNETLINK */
1245
1246static abi_long host_to_target_data_audit(struct nlmsghdr *nlh)
1247{
1248 switch (nlh->nlmsg_type) {
1249 default:
39be5350
JK		 1250 qemu_log_mask(LOG_UNIMP, "Unknown host audit message type %d\n",
1251 nlh->nlmsg_type);
f7e6a401
LV		 1252 return -TARGET_EINVAL;
1253 }
1254 return 0;
1255}
1256
1257static inline abi_long host_to_target_nlmsg_audit(struct nlmsghdr *nlh,
1258 size_t len)
1259{
1260 return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_audit);
1261}
1262
1263static abi_long target_to_host_data_audit(struct nlmsghdr *nlh)
1264{
1265 switch (nlh->nlmsg_type) {
1266 case AUDIT_USER:
1267 case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG:
1268 case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2:
1269 break;
1270 default:
39be5350
JK		 1271 qemu_log_mask(LOG_UNIMP, "Unknown target audit message type %d\n",
1272 nlh->nlmsg_type);
f7e6a401
LV		 1273 return -TARGET_EINVAL;
1274 }
1275
1276 return 0;
1277}
1278
1279static abi_long target_to_host_nlmsg_audit(struct nlmsghdr *nlh, size_t len)
1280{
1281 return target_to_host_for_each_nlmsg(nlh, len, target_to_host_data_audit);
1282}
1283
1284static abi_long packet_target_to_host_sockaddr(void *host_addr,
1285 abi_ulong target_addr,
1286 socklen_t len)
1287{
1288 struct sockaddr *addr = host_addr;
1289 struct target_sockaddr *target_saddr;
1290
1291 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1292 if (!target_saddr) {
1293 return -TARGET_EFAULT;
1294 }
1295
1296 memcpy(addr, target_saddr, len);
1297 addr->sa_family = tswap16(target_saddr->sa_family);
1298 /* spkt_protocol is big-endian */
1299
1300 unlock_user(target_saddr, target_addr, 0);
1301 return 0;
1302}
1303
1304TargetFdTrans target_packet_trans = {
1305 .target_to_host_addr = packet_target_to_host_sockaddr,
1306};
1307
1308#ifdef CONFIG_RTNETLINK
1309static abi_long netlink_route_target_to_host(void *buf, size_t len)
1310{
1311 abi_long ret;
1312
1313 ret = target_to_host_nlmsg_route(buf, len);
1314 if (ret < 0) {
1315 return ret;
1316 }
1317
1318 return len;
1319}
1320
1321static abi_long netlink_route_host_to_target(void *buf, size_t len)
1322{
1323 abi_long ret;
1324
1325 ret = host_to_target_nlmsg_route(buf, len);
1326 if (ret < 0) {
1327 return ret;
1328 }
1329
1330 return len;
1331}
1332
1333TargetFdTrans target_netlink_route_trans = {
1334 .target_to_host_data = netlink_route_target_to_host,
1335 .host_to_target_data = netlink_route_host_to_target,
1336};
1337#endif /* CONFIG_RTNETLINK */
1338
1339static abi_long netlink_audit_target_to_host(void *buf, size_t len)
1340{
1341 abi_long ret;
1342
1343 ret = target_to_host_nlmsg_audit(buf, len);
1344 if (ret < 0) {
1345 return ret;
1346 }
1347
1348 return len;
1349}
1350
1351static abi_long netlink_audit_host_to_target(void *buf, size_t len)
1352{
1353 abi_long ret;
1354
1355 ret = host_to_target_nlmsg_audit(buf, len);
1356 if (ret < 0) {
1357 return ret;
1358 }
1359
1360 return len;
1361}
1362
1363TargetFdTrans target_netlink_audit_trans = {
1364 .target_to_host_data = netlink_audit_target_to_host,
1365 .host_to_target_data = netlink_audit_host_to_target,
1366};
1367
1368/* signalfd siginfo conversion */
1369
1370static void
1371host_to_target_signalfd_siginfo(struct signalfd_siginfo *tinfo,
1372 const struct signalfd_siginfo *info)
1373{
1374 int sig = host_to_target_signal(info->ssi_signo);
1375
1376 /* linux/signalfd.h defines a ssi_addr_lsb
1377 * not defined in sys/signalfd.h but used by some kernels
1378 */
1379
1380#ifdef BUS_MCEERR_AO
1381 if (tinfo->ssi_signo == SIGBUS &&
1382 (tinfo->ssi_code == BUS_MCEERR_AR ||
1383 tinfo->ssi_code == BUS_MCEERR_AO)) {
1384 uint16_t *ssi_addr_lsb = (uint16_t *)(&info->ssi_addr + 1);
1385 uint16_t *tssi_addr_lsb = (uint16_t *)(&tinfo->ssi_addr + 1);
1386 *tssi_addr_lsb = tswap16(*ssi_addr_lsb);
1387 }
1388#endif
1389
1390 tinfo->ssi_signo = tswap32(sig);
1391 tinfo->ssi_errno = tswap32(tinfo->ssi_errno);
1392 tinfo->ssi_code = tswap32(info->ssi_code);
1393 tinfo->ssi_pid = tswap32(info->ssi_pid);
1394 tinfo->ssi_uid = tswap32(info->ssi_uid);
1395 tinfo->ssi_fd = tswap32(info->ssi_fd);
1396 tinfo->ssi_tid = tswap32(info->ssi_tid);
1397 tinfo->ssi_band = tswap32(info->ssi_band);
1398 tinfo->ssi_overrun = tswap32(info->ssi_overrun);
1399 tinfo->ssi_trapno = tswap32(info->ssi_trapno);
1400 tinfo->ssi_status = tswap32(info->ssi_status);
1401 tinfo->ssi_int = tswap32(info->ssi_int);
1402 tinfo->ssi_ptr = tswap64(info->ssi_ptr);
1403 tinfo->ssi_utime = tswap64(info->ssi_utime);
1404 tinfo->ssi_stime = tswap64(info->ssi_stime);
1405 tinfo->ssi_addr = tswap64(info->ssi_addr);
1406}
1407
1408static abi_long host_to_target_data_signalfd(void *buf, size_t len)
1409{
1410 int i;
1411
1412 for (i = 0; i < len; i += sizeof(struct signalfd_siginfo)) {
1413 host_to_target_signalfd_siginfo(buf + i, buf + i);
1414 }
1415
1416 return len;
1417}
1418
1419TargetFdTrans target_signalfd_trans = {
1420 .host_to_target_data = host_to_target_data_signalfd,
1421};
1422
1423static abi_long swap_data_eventfd(void *buf, size_t len)
1424{
1425 uint64_t *counter = buf;
1426 int i;
1427
1428 if (len < sizeof(uint64_t)) {
1429 return -EINVAL;
1430 }
1431
1432 for (i = 0; i < len; i += sizeof(uint64_t)) {
1433 *counter = tswap64(*counter);
1434 counter++;
1435 }
1436
1437 return len;
1438}
1439
1440TargetFdTrans target_eventfd_trans = {
1441 .host_to_target_data = swap_data_eventfd,
1442 .target_to_host_data = swap_data_eventfd,
1443};
1444
1445#if (defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)) || \
1446 (defined(CONFIG_INOTIFY1) && defined(TARGET_NR_inotify_init1) && \
1447 defined(__NR_inotify_init1))
1448static abi_long host_to_target_data_inotify(void *buf, size_t len)
1449{
1450 struct inotify_event *ev;
1451 int i;
1452 uint32_t name_len;
1453
1454 for (i = 0; i < len; i += sizeof(struct inotify_event) + name_len) {
1455 ev = (struct inotify_event *)((char *)buf + i);
1456 name_len = ev->len;
1457
1458 ev->wd = tswap32(ev->wd);
1459 ev->mask = tswap32(ev->mask);
1460 ev->cookie = tswap32(ev->cookie);
1461 ev->len = tswap32(name_len);
1462 }
1463
1464 return len;
1465}
1466
1467TargetFdTrans target_inotify_trans = {
1468 .host_to_target_data = host_to_target_data_inotify,
1469};
1470#endif
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