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>
40 #include "musl_missing.h"
47 #include <asm/sgidefs.h>
50 #ifdef HAVE_LINUX_BTRFS_H
51 #include <linux/btrfs.h>
57 #define RLIMIT_RTTIME 15
60 /* If RLIMIT_RTTIME is not defined, then we cannot use RLIMIT_NLIMITS as is */
61 #define _RLIMIT_MAX (RLIMIT_RTTIME+1 > RLIMIT_NLIMITS ? RLIMIT_RTTIME+1 : RLIMIT_NLIMITS)
63 #ifndef F_LINUX_SPECIFIC_BASE
64 #define F_LINUX_SPECIFIC_BASE 1024
68 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
72 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
76 #define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
77 #define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
79 #define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
80 #define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
81 #define F_SEAL_GROW 0x0004 /* prevent file from growing */
82 #define F_SEAL_WRITE 0x0008 /* prevent writes */
86 #define F_OFD_GETLK 36
87 #define F_OFD_SETLK 37
88 #define F_OFD_SETLKW 38
91 #ifndef MFD_ALLOW_SEALING
92 #define MFD_ALLOW_SEALING 0x0002U
96 #define MFD_CLOEXEC 0x0001U
100 #define IP_FREEBIND 15
103 #ifndef OOM_SCORE_ADJ_MIN
104 #define OOM_SCORE_ADJ_MIN (-1000)
107 #ifndef OOM_SCORE_ADJ_MAX
108 #define OOM_SCORE_ADJ_MAX 1000
111 #ifndef AUDIT_SERVICE_START
112 #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
115 #ifndef AUDIT_SERVICE_STOP
116 #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
120 #define TIOCVHANGUP 0x5437
123 #ifndef IP_TRANSPARENT
124 #define IP_TRANSPARENT 19
128 #define SOL_NETLINK 270
131 #if !HAVE_DECL_PIVOT_ROOT
132 static inline int pivot_root(const char *new_root, const char *put_old) {
133 return syscall(SYS_pivot_root, new_root, put_old);
137 #ifndef __NR_memfd_create
138 # if defined __x86_64__
139 # define __NR_memfd_create 319
140 # elif defined __arm__
141 # define __NR_memfd_create 385
142 # elif defined __aarch64__
143 # define __NR_memfd_create 279
144 # elif defined __s390__
145 # define __NR_memfd_create 350
146 # elif defined _MIPS_SIM
147 # if _MIPS_SIM == _MIPS_SIM_ABI32
148 # define __NR_memfd_create 4354
150 # if _MIPS_SIM == _MIPS_SIM_NABI32
151 # define __NR_memfd_create 6318
153 # if _MIPS_SIM == _MIPS_SIM_ABI64
154 # define __NR_memfd_create 5314
156 # elif defined __i386__
157 # define __NR_memfd_create 356
159 # warning "__NR_memfd_create unknown for your architecture"
160 # define __NR_memfd_create 0xffffffff
164 #ifndef HAVE_MEMFD_CREATE
165 static inline int memfd_create(const char *name, unsigned int flags) {
166 return syscall(__NR_memfd_create, name, flags);
170 #ifndef __NR_getrandom
171 # if defined __x86_64__
172 # define __NR_getrandom 318
173 # elif defined(__i386__)
174 # define __NR_getrandom 355
175 # elif defined(__arm__)
176 # define __NR_getrandom 384
177 # elif defined(__aarch64__)
178 # define __NR_getrandom 278
179 # elif defined(__ia64__)
180 # define __NR_getrandom 1339
181 # elif defined(__m68k__)
182 # define __NR_getrandom 352
183 # elif defined(__s390x__)
184 # define __NR_getrandom 349
185 # elif defined(__powerpc__)
186 # define __NR_getrandom 359
187 # elif defined _MIPS_SIM
188 # if _MIPS_SIM == _MIPS_SIM_ABI32
189 # define __NR_getrandom 4353
191 # if _MIPS_SIM == _MIPS_SIM_NABI32
192 # define __NR_getrandom 6317
194 # if _MIPS_SIM == _MIPS_SIM_ABI64
195 # define __NR_getrandom 5313
198 # warning "__NR_getrandom unknown for your architecture"
199 # define __NR_getrandom 0xffffffff
203 #if !HAVE_DECL_GETRANDOM
204 static inline int getrandom(void *buffer, size_t count, unsigned flags) {
205 return syscall(__NR_getrandom, buffer, count, flags);
209 #ifndef GRND_NONBLOCK
210 #define GRND_NONBLOCK 0x0001
214 #define GRND_RANDOM 0x0002
217 #ifndef BTRFS_IOCTL_MAGIC
218 #define BTRFS_IOCTL_MAGIC 0x94
221 #ifndef BTRFS_PATH_NAME_MAX
222 #define BTRFS_PATH_NAME_MAX 4087
225 #ifndef BTRFS_DEVICE_PATH_NAME_MAX
226 #define BTRFS_DEVICE_PATH_NAME_MAX 1024
229 #ifndef BTRFS_FSID_SIZE
230 #define BTRFS_FSID_SIZE 16
233 #ifndef BTRFS_UUID_SIZE
234 #define BTRFS_UUID_SIZE 16
237 #ifndef BTRFS_SUBVOL_RDONLY
238 #define BTRFS_SUBVOL_RDONLY (1ULL << 1)
241 #ifndef BTRFS_SUBVOL_NAME_MAX
242 #define BTRFS_SUBVOL_NAME_MAX 4039
245 #ifndef BTRFS_INO_LOOKUP_PATH_MAX
246 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
249 #ifndef BTRFS_SEARCH_ARGS_BUFSIZE
250 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
253 #ifndef HAVE_LINUX_BTRFS_H
254 struct btrfs_ioctl_vol_args {
256 char name[BTRFS_PATH_NAME_MAX + 1];
259 struct btrfs_qgroup_limit {
267 struct btrfs_qgroup_inherit {
270 __u64 num_ref_copies;
271 __u64 num_excl_copies;
272 struct btrfs_qgroup_limit lim;
276 struct btrfs_ioctl_qgroup_limit_args {
278 struct btrfs_qgroup_limit lim;
281 struct btrfs_ioctl_vol_args_v2 {
288 struct btrfs_qgroup_inherit *qgroup_inherit;
292 char name[BTRFS_SUBVOL_NAME_MAX + 1];
295 struct btrfs_ioctl_dev_info_args {
296 uint64_t devid; /* in/out */
297 uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
298 uint64_t bytes_used; /* out */
299 uint64_t total_bytes; /* out */
300 uint64_t unused[379]; /* pad to 4k */
301 char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
304 struct btrfs_ioctl_fs_info_args {
305 uint64_t max_id; /* out */
306 uint64_t num_devices; /* out */
307 uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
308 uint64_t reserved[124]; /* pad to 1k */
311 struct btrfs_ioctl_ino_lookup_args {
314 char name[BTRFS_INO_LOOKUP_PATH_MAX];
317 struct btrfs_ioctl_search_key {
318 /* which root are we searching. 0 is the tree of tree roots */
321 /* keys returned will be >= min and <= max */
325 /* keys returned will be >= min and <= max */
329 /* max and min transids to search for */
333 /* keys returned will be >= min and <= max */
338 * how many items did userland ask for, and how many are we
343 /* align to 64 bits */
346 /* some extra for later */
353 struct btrfs_ioctl_search_header {
362 struct btrfs_ioctl_search_args {
363 struct btrfs_ioctl_search_key key;
364 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
367 struct btrfs_ioctl_clone_range_args {
369 __u64 src_offset, src_length;
373 #define BTRFS_QUOTA_CTL_ENABLE 1
374 #define BTRFS_QUOTA_CTL_DISABLE 2
375 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
376 struct btrfs_ioctl_quota_ctl_args {
382 #ifndef BTRFS_IOC_DEFRAG
383 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
384 struct btrfs_ioctl_vol_args)
387 #ifndef BTRFS_IOC_RESIZE
388 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
389 struct btrfs_ioctl_vol_args)
392 #ifndef BTRFS_IOC_CLONE
393 #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
396 #ifndef BTRFS_IOC_CLONE_RANGE
397 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
398 struct btrfs_ioctl_clone_range_args)
401 #ifndef BTRFS_IOC_SUBVOL_CREATE
402 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
403 struct btrfs_ioctl_vol_args)
406 #ifndef BTRFS_IOC_SNAP_DESTROY
407 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
408 struct btrfs_ioctl_vol_args)
411 #ifndef BTRFS_IOC_TREE_SEARCH
412 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
413 struct btrfs_ioctl_search_args)
416 #ifndef BTRFS_IOC_INO_LOOKUP
417 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
418 struct btrfs_ioctl_ino_lookup_args)
421 #ifndef BTRFS_IOC_SNAP_CREATE_V2
422 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
423 struct btrfs_ioctl_vol_args_v2)
426 #ifndef BTRFS_IOC_SUBVOL_GETFLAGS
427 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
430 #ifndef BTRFS_IOC_SUBVOL_SETFLAGS
431 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
434 #ifndef BTRFS_IOC_DEV_INFO
435 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
436 struct btrfs_ioctl_dev_info_args)
439 #ifndef BTRFS_IOC_FS_INFO
440 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
441 struct btrfs_ioctl_fs_info_args)
444 #ifndef BTRFS_IOC_DEVICES_READY
445 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
446 struct btrfs_ioctl_vol_args)
449 #ifndef BTRFS_IOC_QUOTA_CTL
450 #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
451 struct btrfs_ioctl_quota_ctl_args)
454 #ifndef BTRFS_IOC_QGROUP_LIMIT
455 #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
456 struct btrfs_ioctl_qgroup_limit_args)
459 #ifndef BTRFS_FIRST_FREE_OBJECTID
460 #define BTRFS_FIRST_FREE_OBJECTID 256
463 #ifndef BTRFS_LAST_FREE_OBJECTID
464 #define BTRFS_LAST_FREE_OBJECTID -256ULL
467 #ifndef BTRFS_ROOT_TREE_OBJECTID
468 #define BTRFS_ROOT_TREE_OBJECTID 1
471 #ifndef BTRFS_QUOTA_TREE_OBJECTID
472 #define BTRFS_QUOTA_TREE_OBJECTID 8ULL
475 #ifndef BTRFS_ROOT_ITEM_KEY
476 #define BTRFS_ROOT_ITEM_KEY 132
479 #ifndef BTRFS_QGROUP_STATUS_KEY
480 #define BTRFS_QGROUP_STATUS_KEY 240
483 #ifndef BTRFS_QGROUP_INFO_KEY
484 #define BTRFS_QGROUP_INFO_KEY 242
487 #ifndef BTRFS_QGROUP_LIMIT_KEY
488 #define BTRFS_QGROUP_LIMIT_KEY 244
491 #ifndef BTRFS_ROOT_BACKREF_KEY
492 #define BTRFS_ROOT_BACKREF_KEY 144
495 #ifndef BTRFS_SUPER_MAGIC
496 #define BTRFS_SUPER_MAGIC 0x9123683E
499 #ifndef CGROUP_SUPER_MAGIC
500 #define CGROUP_SUPER_MAGIC 0x27e0eb
504 #define TMPFS_MAGIC 0x01021994
512 #define MS_PRIVATE (1 << 18)
515 #if !HAVE_DECL_GETTID
516 static inline pid_t gettid(void) {
517 return (pid_t) syscall(SYS_gettid);
522 #define SCM_SECURITY 0x03
525 #ifndef MS_STRICTATIME
526 #define MS_STRICTATIME (1<<24)
534 #define MS_SHARED (1<<20)
537 #ifndef PR_SET_NO_NEW_PRIVS
538 #define PR_SET_NO_NEW_PRIVS 38
541 #ifndef PR_SET_CHILD_SUBREAPER
542 #define PR_SET_CHILD_SUBREAPER 36
545 #ifndef MAX_HANDLE_SZ
546 #define MAX_HANDLE_SZ 128
549 #ifndef __NR_name_to_handle_at
550 # if defined(__x86_64__)
551 # define __NR_name_to_handle_at 303
552 # elif defined(__i386__)
553 # define __NR_name_to_handle_at 341
554 # elif defined(__arm__)
555 # define __NR_name_to_handle_at 370
556 # elif defined(__powerpc__)
557 # define __NR_name_to_handle_at 345
559 # error "__NR_name_to_handle_at is not defined"
563 #if !HAVE_DECL_NAME_TO_HANDLE_AT
565 unsigned int handle_bytes;
567 unsigned char f_handle[0];
570 static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
571 return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
575 #ifndef HAVE_SECURE_GETENV
576 # ifdef HAVE___SECURE_GETENV
577 # define secure_getenv __secure_getenv
579 # error "neither secure_getenv nor __secure_getenv are available"
583 #ifndef CIFS_MAGIC_NUMBER
584 # define CIFS_MAGIC_NUMBER 0xFF534D42
587 #ifndef TFD_TIMER_CANCEL_ON_SET
588 # define TFD_TIMER_CANCEL_ON_SET (1 << 1)
592 # define SO_REUSEPORT 15
596 # define EVIOCREVOKE _IOW('E', 0x91, int)
599 #ifndef DRM_IOCTL_SET_MASTER
600 # define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
603 #ifndef DRM_IOCTL_DROP_MASTER
604 # define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
607 #if defined(__i386__) || defined(__x86_64__)
609 /* The precise definition of __O_TMPFILE is arch specific, so let's
610 * just define this on x86 where we know the value. */
613 #define __O_TMPFILE 020000000
616 /* a horrid kludge trying to make sure that this will fail on old kernels */
618 #define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
624 # if defined(__x86_64__)
625 # define __NR_setns 308
626 # elif defined(__i386__)
627 # define __NR_setns 346
629 # error "__NR_setns is not defined"
634 static inline int setns(int fd, int nstype) {
635 return syscall(__NR_setns, fd, nstype);
639 #if !HAVE_DECL_LO_FLAGS_PARTSCAN
640 #define LO_FLAGS_PARTSCAN 8
643 #ifndef LOOP_CTL_REMOVE
644 #define LOOP_CTL_REMOVE 0x4C81
647 #ifndef LOOP_CTL_GET_FREE
648 #define LOOP_CTL_GET_FREE 0x4C82
651 #if !HAVE_DECL_IFLA_INET6_ADDR_GEN_MODE
652 #define IFLA_INET6_UNSPEC 0
653 #define IFLA_INET6_FLAGS 1
654 #define IFLA_INET6_CONF 2
655 #define IFLA_INET6_STATS 3
656 #define IFLA_INET6_MCAST 4
657 #define IFLA_INET6_CACHEINFO 5
658 #define IFLA_INET6_ICMP6STATS 6
659 #define IFLA_INET6_TOKEN 7
660 #define IFLA_INET6_ADDR_GEN_MODE 8
661 #define __IFLA_INET6_MAX 9
663 #define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1)
665 #define IN6_ADDR_GEN_MODE_EUI64 0
666 #define IN6_ADDR_GEN_MODE_NONE 1
669 #if !HAVE_DECL_IFLA_MACVLAN_FLAGS
670 #define IFLA_MACVLAN_UNSPEC 0
671 #define IFLA_MACVLAN_MODE 1
672 #define IFLA_MACVLAN_FLAGS 2
673 #define __IFLA_MACVLAN_MAX 3
675 #define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
678 #if !HAVE_DECL_IFLA_IPVLAN_MODE
679 #define IFLA_IPVLAN_UNSPEC 0
680 #define IFLA_IPVLAN_MODE 1
681 #define __IFLA_IPVLAN_MAX 2
683 #define IFLA_IPVLAN_MAX (__IFLA_IPVLAN_MAX - 1)
685 #define IPVLAN_MODE_L2 0
686 #define IPVLAN_MODE_L3 1
690 #if !HAVE_DECL_IFLA_VTI_REMOTE
691 #define IFLA_VTI_UNSPEC 0
692 #define IFLA_VTI_LINK 1
693 #define IFLA_VTI_IKEY 2
694 #define IFLA_VTI_OKEY 3
695 #define IFLA_VTI_LOCAL 4
696 #define IFLA_VTI_REMOTE 5
697 #define __IFLA_VTI_MAX 6
699 #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
702 #if !HAVE_DECL_IFLA_PHYS_PORT_ID
703 #undef IFLA_PROMISCUITY
704 #define IFLA_PROMISCUITY 30
705 #define IFLA_NUM_TX_QUEUES 31
706 #define IFLA_NUM_RX_QUEUES 32
707 #define IFLA_CARRIER 33
708 #define IFLA_PHYS_PORT_ID 34
709 #define __IFLA_MAX 35
711 #define IFLA_MAX (__IFLA_MAX - 1)
714 #if !HAVE_DECL_IFLA_BOND_AD_INFO
715 #define IFLA_BOND_UNSPEC 0
716 #define IFLA_BOND_MODE 1
717 #define IFLA_BOND_ACTIVE_SLAVE 2
718 #define IFLA_BOND_MIIMON 3
719 #define IFLA_BOND_UPDELAY 4
720 #define IFLA_BOND_DOWNDELAY 5
721 #define IFLA_BOND_USE_CARRIER 6
722 #define IFLA_BOND_ARP_INTERVAL 7
723 #define IFLA_BOND_ARP_IP_TARGET 8
724 #define IFLA_BOND_ARP_VALIDATE 9
725 #define IFLA_BOND_ARP_ALL_TARGETS 10
726 #define IFLA_BOND_PRIMARY 11
727 #define IFLA_BOND_PRIMARY_RESELECT 12
728 #define IFLA_BOND_FAIL_OVER_MAC 13
729 #define IFLA_BOND_XMIT_HASH_POLICY 14
730 #define IFLA_BOND_RESEND_IGMP 15
731 #define IFLA_BOND_NUM_PEER_NOTIF 16
732 #define IFLA_BOND_ALL_SLAVES_ACTIVE 17
733 #define IFLA_BOND_MIN_LINKS 18
734 #define IFLA_BOND_LP_INTERVAL 19
735 #define IFLA_BOND_PACKETS_PER_SLAVE 20
736 #define IFLA_BOND_AD_LACP_RATE 21
737 #define IFLA_BOND_AD_SELECT 22
738 #define IFLA_BOND_AD_INFO 23
739 #define __IFLA_BOND_MAX 24
741 #define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
744 #if !HAVE_DECL_IFLA_VLAN_PROTOCOL
745 #define IFLA_VLAN_UNSPEC 0
746 #define IFLA_VLAN_ID 1
747 #define IFLA_VLAN_FLAGS 2
748 #define IFLA_VLAN_EGRESS_QOS 3
749 #define IFLA_VLAN_INGRESS_QOS 4
750 #define IFLA_VLAN_PROTOCOL 5
751 #define __IFLA_VLAN_MAX 6
753 #define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
756 #if !HAVE_DECL_IFLA_VXLAN_REMCSUM_NOPARTIAL
757 #define IFLA_VXLAN_UNSPEC 0
758 #define IFLA_VXLAN_ID 1
759 #define IFLA_VXLAN_GROUP 2
760 #define IFLA_VXLAN_LINK 3
761 #define IFLA_VXLAN_LOCAL 4
762 #define IFLA_VXLAN_TTL 5
763 #define IFLA_VXLAN_TOS 6
764 #define IFLA_VXLAN_LEARNING 7
765 #define IFLA_VXLAN_AGEING 8
766 #define IFLA_VXLAN_LIMIT 9
767 #define IFLA_VXLAN_PORT_RANGE 10
768 #define IFLA_VXLAN_PROXY 11
769 #define IFLA_VXLAN_RSC 12
770 #define IFLA_VXLAN_L2MISS 13
771 #define IFLA_VXLAN_L3MISS 14
772 #define IFLA_VXLAN_PORT 15
773 #define IFLA_VXLAN_GROUP6 16
774 #define IFLA_VXLAN_LOCAL6 17
775 #define IFLA_VXLAN_UDP_CSUM 18
776 #define IFLA_VXLAN_UDP_ZERO_CSUM6_TX 19
777 #define IFLA_VXLAN_UDP_ZERO_CSUM6_RX 20
778 #define IFLA_VXLAN_REMCSUM_TX 21
779 #define IFLA_VXLAN_REMCSUM_RX 22
780 #define IFLA_VXLAN_GBP 23
781 #define IFLA_VXLAN_REMCSUM_NOPARTIAL 24
782 #define __IFLA_VXLAN_MAX 25
784 #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
787 #if !HAVE_DECL_IFLA_IPTUN_ENCAP_DPORT
788 #define IFLA_IPTUN_UNSPEC 0
789 #define IFLA_IPTUN_LINK 1
790 #define IFLA_IPTUN_LOCAL 2
791 #define IFLA_IPTUN_REMOTE 3
792 #define IFLA_IPTUN_TTL 4
793 #define IFLA_IPTUN_TOS 5
794 #define IFLA_IPTUN_ENCAP_LIMIT 6
795 #define IFLA_IPTUN_FLOWINFO 7
796 #define IFLA_IPTUN_FLAGS 8
797 #define IFLA_IPTUN_PROTO 9
798 #define IFLA_IPTUN_PMTUDISC 10
799 #define IFLA_IPTUN_6RD_PREFIX 11
800 #define IFLA_IPTUN_6RD_RELAY_PREFIX 12
801 #define IFLA_IPTUN_6RD_PREFIXLEN 13
802 #define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
803 #define IFLA_IPTUN_ENCAP_TYPE 15
804 #define IFLA_IPTUN_ENCAP_FLAGS 16
805 #define IFLA_IPTUN_ENCAP_SPORT 17
806 #define IFLA_IPTUN_ENCAP_DPORT 18
808 #define __IFLA_IPTUN_MAX 19
810 #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
813 #if !HAVE_DECL_IFLA_GRE_ENCAP_DPORT
814 #define IFLA_GRE_UNSPEC 0
815 #define IFLA_GRE_LINK 1
816 #define IFLA_GRE_IFLAGS 2
817 #define IFLA_GRE_OFLAGS 3
818 #define IFLA_GRE_IKEY 4
819 #define IFLA_GRE_OKEY 5
820 #define IFLA_GRE_LOCAL 6
821 #define IFLA_GRE_REMOTE 7
822 #define IFLA_GRE_TTL 8
823 #define IFLA_GRE_TOS 9
824 #define IFLA_GRE_PMTUDISC 10
825 #define IFLA_GRE_ENCAP_LIMIT 11
826 #define IFLA_GRE_FLOWINFO 12
827 #define IFLA_GRE_FLAGS 13
828 #define IFLA_GRE_ENCAP_TYPE 14
829 #define IFLA_GRE_ENCAP_FLAGS 15
830 #define IFLA_GRE_ENCAP_SPORT 16
831 #define IFLA_GRE_ENCAP_DPORT 17
833 #define __IFLA_GRE_MAX 18
835 #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
838 #if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
839 #define IFLA_BRIDGE_FLAGS 0
840 #define IFLA_BRIDGE_MODE 1
841 #define IFLA_BRIDGE_VLAN_INFO 2
842 #define __IFLA_BRIDGE_MAX 3
844 #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
847 #if !HAVE_DECL_IFLA_BR_PRIORITY
848 #define IFLA_BR_UNSPEC 0
849 #define IFLA_BR_FORWARD_DELAY 1
850 #define IFLA_BR_HELLO_TIME 2
851 #define IFLA_BR_MAX_AGE 3
852 #define IFLA_BR_AGEING_TIME 4
853 #define IFLA_BR_STP_STATE 5
854 #define IFLA_BR_PRIORITY 6
855 #define __IFLA_BR_MAX 7
857 #define IFLA_BR_MAX (__IFLA_BR_MAX - 1)
860 #if !HAVE_DECL_IFLA_BRPORT_LEARNING_SYNC
861 #define IFLA_BRPORT_UNSPEC 0
862 #define IFLA_BRPORT_STATE 1
863 #define IFLA_BRPORT_PRIORITY 2
864 #define IFLA_BRPORT_COST 3
865 #define IFLA_BRPORT_MODE 4
866 #define IFLA_BRPORT_GUARD 5
867 #define IFLA_BRPORT_PROTECT 6
868 #define IFLA_BRPORT_FAST_LEAVE 7
869 #define IFLA_BRPORT_LEARNING 8
870 #define IFLA_BRPORT_UNICAST_FLOOD 9
871 #define IFLA_BRPORT_PROXYARP 10
872 #define IFLA_BRPORT_LEARNING_SYNC 11
873 #define __IFLA_BRPORT_MAX 12
875 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
878 #if !HAVE_DECL_NDA_IFINDEX
882 #define NDA_CACHEINFO 3
887 #define NDA_IFINDEX 8
890 #define NDA_MAX (__NDA_MAX - 1)
893 #ifndef IPV6_UNICAST_IF
894 #define IPV6_UNICAST_IF 76
897 #ifndef IFF_MULTI_QUEUE
898 #define IFF_MULTI_QUEUE 0x100
902 #define IFF_LOWER_UP 0x10000
906 #define IFF_DORMANT 0x20000
909 #ifndef BOND_XMIT_POLICY_ENCAP23
910 #define BOND_XMIT_POLICY_ENCAP23 3
913 #ifndef BOND_XMIT_POLICY_ENCAP34
914 #define BOND_XMIT_POLICY_ENCAP34 4
917 #ifndef NET_ADDR_RANDOM
918 # define NET_ADDR_RANDOM 1
921 #ifndef NET_NAME_UNKNOWN
922 # define NET_NAME_UNKNOWN 0
925 #ifndef NET_NAME_ENUM
926 # define NET_NAME_ENUM 1
929 #ifndef NET_NAME_PREDICTABLE
930 # define NET_NAME_PREDICTABLE 2
933 #ifndef NET_NAME_USER
934 # define NET_NAME_USER 3
937 #ifndef NET_NAME_RENAMED
938 # define NET_NAME_RENAMED 4
942 # define BPF_XOR 0xa0
945 /* Note that LOOPBACK_IFINDEX is currently not exported by the
946 * kernel/glibc, but hardcoded internally by the kernel. However, as
947 * it is exported to userspace indirectly via rtnetlink and the
948 * ioctls, and made use of widely we define it here too, in a way that
949 * is compatible with the kernel's internal definition. */
950 #ifndef LOOPBACK_IFINDEX
951 #define LOOPBACK_IFINDEX 1
954 #if !HAVE_DECL_IFA_FLAGS
958 #ifndef IFA_F_NOPREFIXROUTE
959 #define IFA_F_NOPREFIXROUTE 0x200
962 #ifndef MAX_AUDIT_MESSAGE_LENGTH
963 #define MAX_AUDIT_MESSAGE_LENGTH 8970
966 #ifndef AUDIT_NLGRP_MAX
967 #define AUDIT_NLGRP_READLOG 1
970 #ifndef CAP_MAC_OVERRIDE
971 #define CAP_MAC_OVERRIDE 32
974 #ifndef CAP_MAC_ADMIN
975 #define CAP_MAC_ADMIN 33
979 #define CAP_SYSLOG 34
982 #ifndef CAP_WAKE_ALARM
983 #define CAP_WAKE_ALARM 35
986 #ifndef CAP_BLOCK_SUSPEND
987 #define CAP_BLOCK_SUSPEND 36
990 #ifndef CAP_AUDIT_READ
991 #define CAP_AUDIT_READ 37
994 static inline int raw_clone(unsigned long flags, void *child_stack) {
995 #if defined(__s390__) || defined(__CRIS__)
996 /* On s390 and cris the order of the first and second arguments
997 * of the raw clone() system call is reversed. */
998 return (int) syscall(__NR_clone, child_stack, flags);
1000 return (int) syscall(__NR_clone, flags, child_stack);
1004 static inline pid_t raw_getpid(void) {
1005 #if defined(__alpha__)
1006 return (pid_t) syscall(__NR_getxpid);
1008 return (pid_t) syscall(__NR_getpid);
1012 #if !HAVE_DECL_RENAMEAT2
1014 #ifndef __NR_renameat2
1015 # if defined __x86_64__
1016 # define __NR_renameat2 316
1017 # elif defined __arm__
1018 # define __NR_renameat2 382
1019 # elif defined _MIPS_SIM
1020 # if _MIPS_SIM == _MIPS_SIM_ABI32
1021 # define __NR_renameat2 4351
1023 # if _MIPS_SIM == _MIPS_SIM_NABI32
1024 # define __NR_renameat2 6315
1026 # if _MIPS_SIM == _MIPS_SIM_ABI64
1027 # define __NR_renameat2 5311
1029 # elif defined __i386__
1030 # define __NR_renameat2 353
1032 # warning "__NR_renameat2 unknown for your architecture"
1033 # define __NR_renameat2 0xffffffff
1037 static inline int renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) {
1038 return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
1042 #ifndef RENAME_NOREPLACE
1043 #define RENAME_NOREPLACE (1 << 0)
1047 static inline int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
1048 #if defined(__NR_kcmp)
1049 return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
1061 #ifndef INPUT_PROP_POINTING_STICK
1062 #define INPUT_PROP_POINTING_STICK 0x05
1065 #ifndef INPUT_PROP_ACCELEROMETER
1066 #define INPUT_PROP_ACCELEROMETER 0x06
1069 #if !HAVE_DECL_KEY_SERIAL_T
1070 typedef int32_t key_serial_t;
1073 #if !HAVE_DECL_KEYCTL
1074 static inline long keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) {
1075 #if defined(__NR_keyctl)
1076 return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
1083 static inline key_serial_t add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
1084 #if defined (__NR_add_key)
1085 return syscall(__NR_add_key, type, description, payload, plen, ringid);
1092 static inline key_serial_t request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) {
1093 #if defined (__NR_request_key)
1094 return syscall(__NR_request_key, type, description, callout_info, destringid);
1103 #define KEYCTL_READ 11
1106 #ifndef KEYCTL_SET_TIMEOUT
1107 #define KEYCTL_SET_TIMEOUT 15
1110 #ifndef KEY_SPEC_USER_KEYRING
1111 #define KEY_SPEC_USER_KEYRING -4