1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2010 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 /* Missing glibc definitions to access certain kernel APIs */
26 #include <sys/resource.h>
27 #include <sys/syscall.h>
32 #include <linux/oom.h>
33 #include <linux/input.h>
34 #include <linux/if_link.h>
35 #include <linux/loop.h>
36 #include <linux/audit.h>
37 #include <linux/capability.h>
38 #include <linux/neighbour.h>
45 #include <asm/sgidefs.h>
48 #ifdef HAVE_LINUX_BTRFS_H
49 #include <linux/btrfs.h>
55 #define RLIMIT_RTTIME 15
58 /* If RLIMIT_RTTIME is not defined, then we cannot use RLIMIT_NLIMITS as is */
59 #define _RLIMIT_MAX (RLIMIT_RTTIME+1 > RLIMIT_NLIMITS ? RLIMIT_RTTIME+1 : RLIMIT_NLIMITS)
61 #ifndef F_LINUX_SPECIFIC_BASE
62 #define F_LINUX_SPECIFIC_BASE 1024
66 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
70 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
74 #define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
75 #define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
77 #define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
78 #define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
79 #define F_SEAL_GROW 0x0004 /* prevent file from growing */
80 #define F_SEAL_WRITE 0x0008 /* prevent writes */
84 #define F_OFD_GETLK 36
85 #define F_OFD_SETLK 37
86 #define F_OFD_SETLKW 38
89 #ifndef MFD_ALLOW_SEALING
90 #define MFD_ALLOW_SEALING 0x0002U
94 #define MFD_CLOEXEC 0x0001U
98 #define IP_FREEBIND 15
101 #ifndef OOM_SCORE_ADJ_MIN
102 #define OOM_SCORE_ADJ_MIN (-1000)
105 #ifndef OOM_SCORE_ADJ_MAX
106 #define OOM_SCORE_ADJ_MAX 1000
109 #ifndef AUDIT_SERVICE_START
110 #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
113 #ifndef AUDIT_SERVICE_STOP
114 #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
118 #define TIOCVHANGUP 0x5437
121 #ifndef IP_TRANSPARENT
122 #define IP_TRANSPARENT 19
126 #define SOL_NETLINK 270
129 #if !HAVE_DECL_PIVOT_ROOT
130 static inline int pivot_root(const char *new_root
, const char *put_old
) {
131 return syscall(SYS_pivot_root
, new_root
, put_old
);
135 #ifndef __NR_memfd_create
136 # if defined __x86_64__
137 # define __NR_memfd_create 319
138 # elif defined __arm__
139 # define __NR_memfd_create 385
140 # elif defined __aarch64__
141 # define __NR_memfd_create 279
142 # elif defined _MIPS_SIM
143 # if _MIPS_SIM == _MIPS_SIM_ABI32
144 # define __NR_memfd_create 4354
146 # if _MIPS_SIM == _MIPS_SIM_NABI32
147 # define __NR_memfd_create 6318
149 # if _MIPS_SIM == _MIPS_SIM_ABI64
150 # define __NR_memfd_create 5314
152 # elif defined __i386__
153 # define __NR_memfd_create 356
155 # warning "__NR_memfd_create unknown for your architecture"
156 # define __NR_memfd_create 0xffffffff
160 #ifndef HAVE_MEMFD_CREATE
161 static inline int memfd_create(const char *name
, unsigned int flags
) {
162 return syscall(__NR_memfd_create
, name
, flags
);
166 #ifndef __NR_getrandom
167 # if defined __x86_64__
168 # define __NR_getrandom 318
169 # elif defined(__i386__)
170 # define __NR_getrandom 355
171 # elif defined(__arm__)
172 # define __NR_getrandom 384
173 # elif defined(__aarch64__)
174 # define __NR_getrandom 278
175 # elif defined(__ia64__)
176 # define __NR_getrandom 1339
177 # elif defined(__m68k__)
178 # define __NR_getrandom 352
179 # elif defined(__s390x__)
180 # define __NR_getrandom 349
181 # elif defined(__powerpc__)
182 # define __NR_getrandom 359
183 # elif defined _MIPS_SIM
184 # if _MIPS_SIM == _MIPS_SIM_ABI32
185 # define __NR_getrandom 4353
187 # if _MIPS_SIM == _MIPS_SIM_NABI32
188 # define __NR_getrandom 6317
190 # if _MIPS_SIM == _MIPS_SIM_ABI64
191 # define __NR_getrandom 5313
194 # warning "__NR_getrandom unknown for your architecture"
195 # define __NR_getrandom 0xffffffff
199 #if !HAVE_DECL_GETRANDOM
200 static inline int getrandom(void *buffer
, size_t count
, unsigned flags
) {
201 return syscall(__NR_getrandom
, buffer
, count
, flags
);
205 #ifndef GRND_NONBLOCK
206 #define GRND_NONBLOCK 0x0001
210 #define GRND_RANDOM 0x0002
213 #ifndef BTRFS_IOCTL_MAGIC
214 #define BTRFS_IOCTL_MAGIC 0x94
217 #ifndef BTRFS_PATH_NAME_MAX
218 #define BTRFS_PATH_NAME_MAX 4087
221 #ifndef BTRFS_DEVICE_PATH_NAME_MAX
222 #define BTRFS_DEVICE_PATH_NAME_MAX 1024
225 #ifndef BTRFS_FSID_SIZE
226 #define BTRFS_FSID_SIZE 16
229 #ifndef BTRFS_UUID_SIZE
230 #define BTRFS_UUID_SIZE 16
233 #ifndef BTRFS_SUBVOL_RDONLY
234 #define BTRFS_SUBVOL_RDONLY (1ULL << 1)
237 #ifndef BTRFS_SUBVOL_NAME_MAX
238 #define BTRFS_SUBVOL_NAME_MAX 4039
241 #ifndef BTRFS_INO_LOOKUP_PATH_MAX
242 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
245 #ifndef BTRFS_SEARCH_ARGS_BUFSIZE
246 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
249 #ifndef HAVE_LINUX_BTRFS_H
250 struct btrfs_ioctl_vol_args
{
252 char name
[BTRFS_PATH_NAME_MAX
+ 1];
255 struct btrfs_qgroup_limit
{
263 struct btrfs_qgroup_inherit
{
266 __u64 num_ref_copies
;
267 __u64 num_excl_copies
;
268 struct btrfs_qgroup_limit lim
;
272 struct btrfs_ioctl_qgroup_limit_args
{
274 struct btrfs_qgroup_limit lim
;
277 struct btrfs_ioctl_vol_args_v2
{
284 struct btrfs_qgroup_inherit
*qgroup_inherit
;
288 char name
[BTRFS_SUBVOL_NAME_MAX
+ 1];
291 struct btrfs_ioctl_dev_info_args
{
292 uint64_t devid
; /* in/out */
293 uint8_t uuid
[BTRFS_UUID_SIZE
]; /* in/out */
294 uint64_t bytes_used
; /* out */
295 uint64_t total_bytes
; /* out */
296 uint64_t unused
[379]; /* pad to 4k */
297 char path
[BTRFS_DEVICE_PATH_NAME_MAX
]; /* out */
300 struct btrfs_ioctl_fs_info_args
{
301 uint64_t max_id
; /* out */
302 uint64_t num_devices
; /* out */
303 uint8_t fsid
[BTRFS_FSID_SIZE
]; /* out */
304 uint64_t reserved
[124]; /* pad to 1k */
307 struct btrfs_ioctl_ino_lookup_args
{
310 char name
[BTRFS_INO_LOOKUP_PATH_MAX
];
313 struct btrfs_ioctl_search_key
{
314 /* which root are we searching. 0 is the tree of tree roots */
317 /* keys returned will be >= min and <= max */
321 /* keys returned will be >= min and <= max */
325 /* max and min transids to search for */
329 /* keys returned will be >= min and <= max */
334 * how many items did userland ask for, and how many are we
339 /* align to 64 bits */
342 /* some extra for later */
349 struct btrfs_ioctl_search_header
{
358 struct btrfs_ioctl_search_args
{
359 struct btrfs_ioctl_search_key key
;
360 char buf
[BTRFS_SEARCH_ARGS_BUFSIZE
];
363 struct btrfs_ioctl_clone_range_args
{
365 __u64 src_offset
, src_length
;
369 #define BTRFS_QUOTA_CTL_ENABLE 1
370 #define BTRFS_QUOTA_CTL_DISABLE 2
371 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
372 struct btrfs_ioctl_quota_ctl_args
{
378 #ifndef BTRFS_IOC_DEFRAG
379 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
380 struct btrfs_ioctl_vol_args)
383 #ifndef BTRFS_IOC_RESIZE
384 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
385 struct btrfs_ioctl_vol_args)
388 #ifndef BTRFS_IOC_CLONE
389 #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
392 #ifndef BTRFS_IOC_CLONE_RANGE
393 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
394 struct btrfs_ioctl_clone_range_args)
397 #ifndef BTRFS_IOC_SUBVOL_CREATE
398 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
399 struct btrfs_ioctl_vol_args)
402 #ifndef BTRFS_IOC_SNAP_DESTROY
403 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
404 struct btrfs_ioctl_vol_args)
407 #ifndef BTRFS_IOC_TREE_SEARCH
408 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
409 struct btrfs_ioctl_search_args)
412 #ifndef BTRFS_IOC_INO_LOOKUP
413 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
414 struct btrfs_ioctl_ino_lookup_args)
417 #ifndef BTRFS_IOC_SNAP_CREATE_V2
418 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
419 struct btrfs_ioctl_vol_args_v2)
422 #ifndef BTRFS_IOC_SUBVOL_GETFLAGS
423 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
426 #ifndef BTRFS_IOC_SUBVOL_SETFLAGS
427 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
430 #ifndef BTRFS_IOC_DEV_INFO
431 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
432 struct btrfs_ioctl_dev_info_args)
435 #ifndef BTRFS_IOC_FS_INFO
436 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
437 struct btrfs_ioctl_fs_info_args)
440 #ifndef BTRFS_IOC_DEVICES_READY
441 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
442 struct btrfs_ioctl_vol_args)
445 #ifndef BTRFS_IOC_QUOTA_CTL
446 #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
447 struct btrfs_ioctl_quota_ctl_args)
450 #ifndef BTRFS_IOC_QGROUP_LIMIT
451 #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
452 struct btrfs_ioctl_qgroup_limit_args)
455 #ifndef BTRFS_FIRST_FREE_OBJECTID
456 #define BTRFS_FIRST_FREE_OBJECTID 256
459 #ifndef BTRFS_LAST_FREE_OBJECTID
460 #define BTRFS_LAST_FREE_OBJECTID -256ULL
463 #ifndef BTRFS_ROOT_TREE_OBJECTID
464 #define BTRFS_ROOT_TREE_OBJECTID 1
467 #ifndef BTRFS_QUOTA_TREE_OBJECTID
468 #define BTRFS_QUOTA_TREE_OBJECTID 8ULL
471 #ifndef BTRFS_ROOT_ITEM_KEY
472 #define BTRFS_ROOT_ITEM_KEY 132
475 #ifndef BTRFS_QGROUP_STATUS_KEY
476 #define BTRFS_QGROUP_STATUS_KEY 240
479 #ifndef BTRFS_QGROUP_INFO_KEY
480 #define BTRFS_QGROUP_INFO_KEY 242
483 #ifndef BTRFS_QGROUP_LIMIT_KEY
484 #define BTRFS_QGROUP_LIMIT_KEY 244
487 #ifndef BTRFS_ROOT_BACKREF_KEY
488 #define BTRFS_ROOT_BACKREF_KEY 144
491 #ifndef BTRFS_SUPER_MAGIC
492 #define BTRFS_SUPER_MAGIC 0x9123683E
500 #define MS_PRIVATE (1 << 18)
503 #if !HAVE_DECL_GETTID
504 static inline pid_t
gettid(void) {
505 return (pid_t
) syscall(SYS_gettid
);
510 #define SCM_SECURITY 0x03
513 #ifndef MS_STRICTATIME
514 #define MS_STRICTATIME (1<<24)
522 #define MS_SHARED (1<<20)
525 #ifndef PR_SET_NO_NEW_PRIVS
526 #define PR_SET_NO_NEW_PRIVS 38
529 #ifndef PR_SET_CHILD_SUBREAPER
530 #define PR_SET_CHILD_SUBREAPER 36
533 #ifndef MAX_HANDLE_SZ
534 #define MAX_HANDLE_SZ 128
537 #ifndef __NR_name_to_handle_at
538 # if defined(__x86_64__)
539 # define __NR_name_to_handle_at 303
540 # elif defined(__i386__)
541 # define __NR_name_to_handle_at 341
542 # elif defined(__arm__)
543 # define __NR_name_to_handle_at 370
544 # elif defined(__powerpc__)
545 # define __NR_name_to_handle_at 345
547 # error "__NR_name_to_handle_at is not defined"
551 #if !HAVE_DECL_NAME_TO_HANDLE_AT
553 unsigned int handle_bytes
;
555 unsigned char f_handle
[0];
558 static inline int name_to_handle_at(int fd
, const char *name
, struct file_handle
*handle
, int *mnt_id
, int flags
) {
559 return syscall(__NR_name_to_handle_at
, fd
, name
, handle
, mnt_id
, flags
);
563 #ifndef HAVE_SECURE_GETENV
564 # ifdef HAVE___SECURE_GETENV
565 # define secure_getenv __secure_getenv
567 # error "neither secure_getenv nor __secure_getenv are available"
571 #ifndef CIFS_MAGIC_NUMBER
572 # define CIFS_MAGIC_NUMBER 0xFF534D42
575 #ifndef TFD_TIMER_CANCEL_ON_SET
576 # define TFD_TIMER_CANCEL_ON_SET (1 << 1)
580 # define SO_REUSEPORT 15
584 # define EVIOCREVOKE _IOW('E', 0x91, int)
587 #ifndef DRM_IOCTL_SET_MASTER
588 # define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
591 #ifndef DRM_IOCTL_DROP_MASTER
592 # define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
595 #if defined(__i386__) || defined(__x86_64__)
597 /* The precise definition of __O_TMPFILE is arch specific, so let's
598 * just define this on x86 where we know the value. */
601 #define __O_TMPFILE 020000000
604 /* a horrid kludge trying to make sure that this will fail on old kernels */
606 #define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
612 # if defined(__x86_64__)
613 # define __NR_setns 308
614 # elif defined(__i386__)
615 # define __NR_setns 346
617 # error "__NR_setns is not defined"
622 static inline int setns(int fd
, int nstype
) {
623 return syscall(__NR_setns
, fd
, nstype
);
627 #if !HAVE_DECL_LO_FLAGS_PARTSCAN
628 #define LO_FLAGS_PARTSCAN 8
631 #ifndef LOOP_CTL_REMOVE
632 #define LOOP_CTL_REMOVE 0x4C81
635 #ifndef LOOP_CTL_GET_FREE
636 #define LOOP_CTL_GET_FREE 0x4C82
639 #if !HAVE_DECL_IFLA_INET6_ADDR_GEN_MODE
640 #define IFLA_INET6_UNSPEC 0
641 #define IFLA_INET6_FLAGS 1
642 #define IFLA_INET6_CONF 2
643 #define IFLA_INET6_STATS 3
644 #define IFLA_INET6_MCAST 4
645 #define IFLA_INET6_CACHEINFO 5
646 #define IFLA_INET6_ICMP6STATS 6
647 #define IFLA_INET6_TOKEN 7
648 #define IFLA_INET6_ADDR_GEN_MODE 8
649 #define __IFLA_INET6_MAX 9
651 #define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1)
653 #define IN6_ADDR_GEN_MODE_EUI64 0
654 #define IN6_ADDR_GEN_MODE_NONE 1
657 #if !HAVE_DECL_IFLA_MACVLAN_FLAGS
658 #define IFLA_MACVLAN_UNSPEC 0
659 #define IFLA_MACVLAN_MODE 1
660 #define IFLA_MACVLAN_FLAGS 2
661 #define __IFLA_MACVLAN_MAX 3
663 #define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
666 #if !HAVE_DECL_IFLA_IPVLAN_MODE
667 #define IFLA_IPVLAN_UNSPEC 0
668 #define IFLA_IPVLAN_MODE 1
669 #define __IFLA_IPVLAN_MAX 2
671 #define IFLA_IPVLAN_MAX (__IFLA_IPVLAN_MAX - 1)
673 #define IPVLAN_MODE_L2 0
674 #define IPVLAN_MODE_L3 1
678 #if !HAVE_DECL_IFLA_VTI_REMOTE
679 #define IFLA_VTI_UNSPEC 0
680 #define IFLA_VTI_LINK 1
681 #define IFLA_VTI_IKEY 2
682 #define IFLA_VTI_OKEY 3
683 #define IFLA_VTI_LOCAL 4
684 #define IFLA_VTI_REMOTE 5
685 #define __IFLA_VTI_MAX 6
687 #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
690 #if !HAVE_DECL_IFLA_PHYS_PORT_ID
691 #undef IFLA_PROMISCUITY
692 #define IFLA_PROMISCUITY 30
693 #define IFLA_NUM_TX_QUEUES 31
694 #define IFLA_NUM_RX_QUEUES 32
695 #define IFLA_CARRIER 33
696 #define IFLA_PHYS_PORT_ID 34
697 #define __IFLA_MAX 35
699 #define IFLA_MAX (__IFLA_MAX - 1)
702 #if !HAVE_DECL_IFLA_BOND_AD_INFO
703 #define IFLA_BOND_UNSPEC 0
704 #define IFLA_BOND_MODE 1
705 #define IFLA_BOND_ACTIVE_SLAVE 2
706 #define IFLA_BOND_MIIMON 3
707 #define IFLA_BOND_UPDELAY 4
708 #define IFLA_BOND_DOWNDELAY 5
709 #define IFLA_BOND_USE_CARRIER 6
710 #define IFLA_BOND_ARP_INTERVAL 7
711 #define IFLA_BOND_ARP_IP_TARGET 8
712 #define IFLA_BOND_ARP_VALIDATE 9
713 #define IFLA_BOND_ARP_ALL_TARGETS 10
714 #define IFLA_BOND_PRIMARY 11
715 #define IFLA_BOND_PRIMARY_RESELECT 12
716 #define IFLA_BOND_FAIL_OVER_MAC 13
717 #define IFLA_BOND_XMIT_HASH_POLICY 14
718 #define IFLA_BOND_RESEND_IGMP 15
719 #define IFLA_BOND_NUM_PEER_NOTIF 16
720 #define IFLA_BOND_ALL_SLAVES_ACTIVE 17
721 #define IFLA_BOND_MIN_LINKS 18
722 #define IFLA_BOND_LP_INTERVAL 19
723 #define IFLA_BOND_PACKETS_PER_SLAVE 20
724 #define IFLA_BOND_AD_LACP_RATE 21
725 #define IFLA_BOND_AD_SELECT 22
726 #define IFLA_BOND_AD_INFO 23
727 #define __IFLA_BOND_MAX 24
729 #define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
732 #if !HAVE_DECL_IFLA_VLAN_PROTOCOL
733 #define IFLA_VLAN_UNSPEC 0
734 #define IFLA_VLAN_ID 1
735 #define IFLA_VLAN_FLAGS 2
736 #define IFLA_VLAN_EGRESS_QOS 3
737 #define IFLA_VLAN_INGRESS_QOS 4
738 #define IFLA_VLAN_PROTOCOL 5
739 #define __IFLA_VLAN_MAX 6
741 #define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
744 #if !HAVE_DECL_IFLA_VXLAN_REMCSUM_NOPARTIAL
745 #define IFLA_VXLAN_UNSPEC 0
746 #define IFLA_VXLAN_ID 1
747 #define IFLA_VXLAN_GROUP 2
748 #define IFLA_VXLAN_LINK 3
749 #define IFLA_VXLAN_LOCAL 4
750 #define IFLA_VXLAN_TTL 5
751 #define IFLA_VXLAN_TOS 6
752 #define IFLA_VXLAN_LEARNING 7
753 #define IFLA_VXLAN_AGEING 8
754 #define IFLA_VXLAN_LIMIT 9
755 #define IFLA_VXLAN_PORT_RANGE 10
756 #define IFLA_VXLAN_PROXY 11
757 #define IFLA_VXLAN_RSC 12
758 #define IFLA_VXLAN_L2MISS 13
759 #define IFLA_VXLAN_L3MISS 14
760 #define IFLA_VXLAN_PORT 15
761 #define IFLA_VXLAN_GROUP6 16
762 #define IFLA_VXLAN_LOCAL6 17
763 #define IFLA_VXLAN_UDP_CSUM 18
764 #define IFLA_VXLAN_UDP_ZERO_CSUM6_TX 19
765 #define IFLA_VXLAN_UDP_ZERO_CSUM6_RX 20
766 #define IFLA_VXLAN_REMCSUM_TX 21
767 #define IFLA_VXLAN_REMCSUM_RX 22
768 #define IFLA_VXLAN_GBP 23
769 #define IFLA_VXLAN_REMCSUM_NOPARTIAL 24
770 #define __IFLA_VXLAN_MAX 25
772 #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
775 #if !HAVE_DECL_IFLA_IPTUN_ENCAP_DPORT
776 #define IFLA_IPTUN_UNSPEC 0
777 #define IFLA_IPTUN_LINK 1
778 #define IFLA_IPTUN_LOCAL 2
779 #define IFLA_IPTUN_REMOTE 3
780 #define IFLA_IPTUN_TTL 4
781 #define IFLA_IPTUN_TOS 5
782 #define IFLA_IPTUN_ENCAP_LIMIT 6
783 #define IFLA_IPTUN_FLOWINFO 7
784 #define IFLA_IPTUN_FLAGS 8
785 #define IFLA_IPTUN_PROTO 9
786 #define IFLA_IPTUN_PMTUDISC 10
787 #define IFLA_IPTUN_6RD_PREFIX 11
788 #define IFLA_IPTUN_6RD_RELAY_PREFIX 12
789 #define IFLA_IPTUN_6RD_PREFIXLEN 13
790 #define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
791 #define IFLA_IPTUN_ENCAP_TYPE 15
792 #define IFLA_IPTUN_ENCAP_FLAGS 16
793 #define IFLA_IPTUN_ENCAP_SPORT 17
794 #define IFLA_IPTUN_ENCAP_DPORT 18
796 #define __IFLA_IPTUN_MAX 19
798 #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
801 #if !HAVE_DECL_IFLA_GRE_ENCAP_DPORT
802 #define IFLA_GRE_UNSPEC 0
803 #define IFLA_GRE_LINK 1
804 #define IFLA_GRE_IFLAGS 2
805 #define IFLA_GRE_OFLAGS 3
806 #define IFLA_GRE_IKEY 4
807 #define IFLA_GRE_OKEY 5
808 #define IFLA_GRE_LOCAL 6
809 #define IFLA_GRE_REMOTE 7
810 #define IFLA_GRE_TTL 8
811 #define IFLA_GRE_TOS 9
812 #define IFLA_GRE_PMTUDISC 10
813 #define IFLA_GRE_ENCAP_LIMIT 11
814 #define IFLA_GRE_FLOWINFO 12
815 #define IFLA_GRE_FLAGS 13
816 #define IFLA_GRE_ENCAP_TYPE 14
817 #define IFLA_GRE_ENCAP_FLAGS 15
818 #define IFLA_GRE_ENCAP_SPORT 16
819 #define IFLA_GRE_ENCAP_DPORT 17
821 #define __IFLA_GRE_MAX 18
823 #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
826 #if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
827 #define IFLA_BRIDGE_FLAGS 0
828 #define IFLA_BRIDGE_MODE 1
829 #define IFLA_BRIDGE_VLAN_INFO 2
830 #define __IFLA_BRIDGE_MAX 3
832 #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
835 #if !HAVE_DECL_IFLA_BRPORT_LEARNING_SYNC
836 #define IFLA_BRPORT_UNSPEC 0
837 #define IFLA_BRPORT_STATE 1
838 #define IFLA_BRPORT_PRIORITY 2
839 #define IFLA_BRPORT_COST 3
840 #define IFLA_BRPORT_MODE 4
841 #define IFLA_BRPORT_GUARD 5
842 #define IFLA_BRPORT_PROTECT 6
843 #define IFLA_BRPORT_FAST_LEAVE 7
844 #define IFLA_BRPORT_LEARNING 8
845 #define IFLA_BRPORT_UNICAST_FLOOD 9
846 #define IFLA_BRPORT_PROXYARP 10
847 #define IFLA_BRPORT_LEARNING_SYNC 11
848 #define __IFLA_BRPORT_MAX 12
850 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
853 #if !HAVE_DECL_NDA_IFINDEX
857 #define NDA_CACHEINFO 3
862 #define NDA_IFINDEX 8
865 #define NDA_MAX (__NDA_MAX - 1)
868 #ifndef IPV6_UNICAST_IF
869 #define IPV6_UNICAST_IF 76
872 #ifndef IFF_MULTI_QUEUE
873 #define IFF_MULTI_QUEUE 0x100
877 #define IFF_LOWER_UP 0x10000
881 #define IFF_DORMANT 0x20000
884 #ifndef BOND_XMIT_POLICY_ENCAP23
885 #define BOND_XMIT_POLICY_ENCAP23 3
888 #ifndef BOND_XMIT_POLICY_ENCAP34
889 #define BOND_XMIT_POLICY_ENCAP34 4
892 #ifndef NET_ADDR_RANDOM
893 # define NET_ADDR_RANDOM 1
896 #ifndef NET_NAME_UNKNOWN
897 # define NET_NAME_UNKNOWN 0
900 #ifndef NET_NAME_ENUM
901 # define NET_NAME_ENUM 1
904 #ifndef NET_NAME_PREDICTABLE
905 # define NET_NAME_PREDICTABLE 2
908 #ifndef NET_NAME_USER
909 # define NET_NAME_USER 3
912 #ifndef NET_NAME_RENAMED
913 # define NET_NAME_RENAMED 4
917 # define BPF_XOR 0xa0
920 /* Note that LOOPBACK_IFINDEX is currently not exported by the
921 * kernel/glibc, but hardcoded internally by the kernel. However, as
922 * it is exported to userspace indirectly via rtnetlink and the
923 * ioctls, and made use of widely we define it here too, in a way that
924 * is compatible with the kernel's internal definition. */
925 #ifndef LOOPBACK_IFINDEX
926 #define LOOPBACK_IFINDEX 1
929 #if !HAVE_DECL_IFA_FLAGS
933 #ifndef IFA_F_NOPREFIXROUTE
934 #define IFA_F_NOPREFIXROUTE 0x200
937 #ifndef MAX_AUDIT_MESSAGE_LENGTH
938 #define MAX_AUDIT_MESSAGE_LENGTH 8970
941 #ifndef AUDIT_NLGRP_MAX
942 #define AUDIT_NLGRP_READLOG 1
945 #ifndef CAP_MAC_OVERRIDE
946 #define CAP_MAC_OVERRIDE 32
949 #ifndef CAP_MAC_ADMIN
950 #define CAP_MAC_ADMIN 33
954 #define CAP_SYSLOG 34
957 #ifndef CAP_WAKE_ALARM
958 #define CAP_WAKE_ALARM 35
961 #ifndef CAP_BLOCK_SUSPEND
962 #define CAP_BLOCK_SUSPEND 36
965 #ifndef CAP_AUDIT_READ
966 #define CAP_AUDIT_READ 37
969 static inline int raw_clone(unsigned long flags
, void *child_stack
) {
970 #if defined(__s390__) || defined(__CRIS__)
971 /* On s390 and cris the order of the first and second arguments
972 * of the raw clone() system call is reversed. */
973 return (int) syscall(__NR_clone
, child_stack
, flags
);
975 return (int) syscall(__NR_clone
, flags
, child_stack
);
979 static inline pid_t
raw_getpid(void) {
980 #if defined(__alpha__)
981 return (pid_t
) syscall(__NR_getxpid
);
983 return (pid_t
) syscall(__NR_getpid
);
987 #if !HAVE_DECL_RENAMEAT2
989 #ifndef __NR_renameat2
990 # if defined __x86_64__
991 # define __NR_renameat2 316
992 # elif defined __arm__
993 # define __NR_renameat2 382
994 # elif defined _MIPS_SIM
995 # if _MIPS_SIM == _MIPS_SIM_ABI32
996 # define __NR_renameat2 4351
998 # if _MIPS_SIM == _MIPS_SIM_NABI32
999 # define __NR_renameat2 6315
1001 # if _MIPS_SIM == _MIPS_SIM_ABI64
1002 # define __NR_renameat2 5311
1004 # elif defined __i386__
1005 # define __NR_renameat2 353
1007 # warning "__NR_renameat2 unknown for your architecture"
1008 # define __NR_renameat2 0xffffffff
1012 static inline int renameat2(int oldfd
, const char *oldname
, int newfd
, const char *newname
, unsigned flags
) {
1013 return syscall(__NR_renameat2
, oldfd
, oldname
, newfd
, newname
, flags
);
1017 #ifndef RENAME_NOREPLACE
1018 #define RENAME_NOREPLACE (1 << 0)
1022 static inline int kcmp(pid_t pid1
, pid_t pid2
, int type
, unsigned long idx1
, unsigned long idx2
) {
1023 return syscall(__NR_kcmp
, pid1
, pid2
, type
, idx1
, idx2
);
1031 #ifndef INPUT_PROP_POINTING_STICK
1032 #define INPUT_PROP_POINTING_STICK 0x05
1035 #ifndef INPUT_PROP_ACCELEROMETER
1036 #define INPUT_PROP_ACCELEROMETER 0x06