diff options
Diffstat (limited to 'tools/include')
-rw-r--r-- | tools/include/linux/compiler-gcc.h | 4 | ||||
-rw-r--r-- | tools/include/linux/overflow.h | 278 | ||||
-rw-r--r-- | tools/include/tools/libc_compat.h | 20 | ||||
-rw-r--r-- | tools/include/uapi/asm-generic/unistd.h | 783 | ||||
-rw-r--r-- | tools/include/uapi/linux/bpf.h | 104 | ||||
-rw-r--r-- | tools/include/uapi/linux/in.h | 301 |
6 files changed, 1485 insertions, 5 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h index 70fe61295733..0d35f18006a1 100644 --- a/tools/include/linux/compiler-gcc.h +++ b/tools/include/linux/compiler-gcc.h @@ -36,3 +36,7 @@ #endif #define __printf(a, b) __attribute__((format(printf, a, b))) #define __scanf(a, b) __attribute__((format(scanf, a, b))) + +#if GCC_VERSION >= 50100 +#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 +#endif diff --git a/tools/include/linux/overflow.h b/tools/include/linux/overflow.h new file mode 100644 index 000000000000..8712ff70995f --- /dev/null +++ b/tools/include/linux/overflow.h @@ -0,0 +1,278 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +#ifndef __LINUX_OVERFLOW_H +#define __LINUX_OVERFLOW_H + +#include <linux/compiler.h> + +/* + * In the fallback code below, we need to compute the minimum and + * maximum values representable in a given type. These macros may also + * be useful elsewhere, so we provide them outside the + * COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW block. + * + * It would seem more obvious to do something like + * + * #define type_min(T) (T)(is_signed_type(T) ? (T)1 << (8*sizeof(T)-1) : 0) + * #define type_max(T) (T)(is_signed_type(T) ? ((T)1 << (8*sizeof(T)-1)) - 1 : ~(T)0) + * + * Unfortunately, the middle expressions, strictly speaking, have + * undefined behaviour, and at least some versions of gcc warn about + * the type_max expression (but not if -fsanitize=undefined is in + * effect; in that case, the warning is deferred to runtime...). + * + * The slightly excessive casting in type_min is to make sure the + * macros also produce sensible values for the exotic type _Bool. [The + * overflow checkers only almost work for _Bool, but that's + * a-feature-not-a-bug, since people shouldn't be doing arithmetic on + * _Bools. Besides, the gcc builtins don't allow _Bool* as third + * argument.] + * + * Idea stolen from + * https://mail-index.netbsd.org/tech-misc/2007/02/05/0000.html - + * credit to Christian Biere. + */ +#define is_signed_type(type) (((type)(-1)) < (type)1) +#define __type_half_max(type) ((type)1 << (8*sizeof(type) - 1 - is_signed_type(type))) +#define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T))) +#define type_min(T) ((T)((T)-type_max(T)-(T)1)) + + +#ifdef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW +/* + * For simplicity and code hygiene, the fallback code below insists on + * a, b and *d having the same type (similar to the min() and max() + * macros), whereas gcc's type-generic overflow checkers accept + * different types. Hence we don't just make check_add_overflow an + * alias for __builtin_add_overflow, but add type checks similar to + * below. + */ +#define check_add_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + __builtin_add_overflow(__a, __b, __d); \ +}) + +#define check_sub_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + __builtin_sub_overflow(__a, __b, __d); \ +}) + +#define check_mul_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + __builtin_mul_overflow(__a, __b, __d); \ +}) + +#else + + +/* Checking for unsigned overflow is relatively easy without causing UB. */ +#define __unsigned_add_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + *__d = __a + __b; \ + *__d < __a; \ +}) +#define __unsigned_sub_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + *__d = __a - __b; \ + __a < __b; \ +}) +/* + * If one of a or b is a compile-time constant, this avoids a division. + */ +#define __unsigned_mul_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + *__d = __a * __b; \ + __builtin_constant_p(__b) ? \ + __b > 0 && __a > type_max(typeof(__a)) / __b : \ + __a > 0 && __b > type_max(typeof(__b)) / __a; \ +}) + +/* + * For signed types, detecting overflow is much harder, especially if + * we want to avoid UB. But the interface of these macros is such that + * we must provide a result in *d, and in fact we must produce the + * result promised by gcc's builtins, which is simply the possibly + * wrapped-around value. Fortunately, we can just formally do the + * operations in the widest relevant unsigned type (u64) and then + * truncate the result - gcc is smart enough to generate the same code + * with and without the (u64) casts. + */ + +/* + * Adding two signed integers can overflow only if they have the same + * sign, and overflow has happened iff the result has the opposite + * sign. + */ +#define __signed_add_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + *__d = (u64)__a + (u64)__b; \ + (((~(__a ^ __b)) & (*__d ^ __a)) \ + & type_min(typeof(__a))) != 0; \ +}) + +/* + * Subtraction is similar, except that overflow can now happen only + * when the signs are opposite. In this case, overflow has happened if + * the result has the opposite sign of a. + */ +#define __signed_sub_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + *__d = (u64)__a - (u64)__b; \ + ((((__a ^ __b)) & (*__d ^ __a)) \ + & type_min(typeof(__a))) != 0; \ +}) + +/* + * Signed multiplication is rather hard. gcc always follows C99, so + * division is truncated towards 0. This means that we can write the + * overflow check like this: + * + * (a > 0 && (b > MAX/a || b < MIN/a)) || + * (a < -1 && (b > MIN/a || b < MAX/a) || + * (a == -1 && b == MIN) + * + * The redundant casts of -1 are to silence an annoying -Wtype-limits + * (included in -Wextra) warning: When the type is u8 or u16, the + * __b_c_e in check_mul_overflow obviously selects + * __unsigned_mul_overflow, but unfortunately gcc still parses this + * code and warns about the limited range of __b. + */ + +#define __signed_mul_overflow(a, b, d) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + typeof(d) __d = (d); \ + typeof(a) __tmax = type_max(typeof(a)); \ + typeof(a) __tmin = type_min(typeof(a)); \ + (void) (&__a == &__b); \ + (void) (&__a == __d); \ + *__d = (u64)__a * (u64)__b; \ + (__b > 0 && (__a > __tmax/__b || __a < __tmin/__b)) || \ + (__b < (typeof(__b))-1 && (__a > __tmin/__b || __a < __tmax/__b)) || \ + (__b == (typeof(__b))-1 && __a == __tmin); \ +}) + + +#define check_add_overflow(a, b, d) \ + __builtin_choose_expr(is_signed_type(typeof(a)), \ + __signed_add_overflow(a, b, d), \ + __unsigned_add_overflow(a, b, d)) + +#define check_sub_overflow(a, b, d) \ + __builtin_choose_expr(is_signed_type(typeof(a)), \ + __signed_sub_overflow(a, b, d), \ + __unsigned_sub_overflow(a, b, d)) + +#define check_mul_overflow(a, b, d) \ + __builtin_choose_expr(is_signed_type(typeof(a)), \ + __signed_mul_overflow(a, b, d), \ + __unsigned_mul_overflow(a, b, d)) + + +#endif /* COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW */ + +/** + * array_size() - Calculate size of 2-dimensional array. + * + * @a: dimension one + * @b: dimension two + * + * Calculates size of 2-dimensional array: @a * @b. + * + * Returns: number of bytes needed to represent the array or SIZE_MAX on + * overflow. + */ +static inline __must_check size_t array_size(size_t a, size_t b) +{ + size_t bytes; + + if (check_mul_overflow(a, b, &bytes)) + return SIZE_MAX; + + return bytes; +} + +/** + * array3_size() - Calculate size of 3-dimensional array. + * + * @a: dimension one + * @b: dimension two + * @c: dimension three + * + * Calculates size of 3-dimensional array: @a * @b * @c. + * + * Returns: number of bytes needed to represent the array or SIZE_MAX on + * overflow. + */ +static inline __must_check size_t array3_size(size_t a, size_t b, size_t c) +{ + size_t bytes; + + if (check_mul_overflow(a, b, &bytes)) + return SIZE_MAX; + if (check_mul_overflow(bytes, c, &bytes)) + return SIZE_MAX; + + return bytes; +} + +static inline __must_check size_t __ab_c_size(size_t n, size_t size, size_t c) +{ + size_t bytes; + + if (check_mul_overflow(n, size, &bytes)) + return SIZE_MAX; + if (check_add_overflow(bytes, c, &bytes)) + return SIZE_MAX; + + return bytes; +} + +/** + * struct_size() - Calculate size of structure with trailing array. + * @p: Pointer to the structure. + * @member: Name of the array member. + * @n: Number of elements in the array. + * + * Calculates size of memory needed for structure @p followed by an + * array of @n @member elements. + * + * Return: number of bytes needed or SIZE_MAX on overflow. + */ +#define struct_size(p, member, n) \ + __ab_c_size(n, \ + sizeof(*(p)->member) + __must_be_array((p)->member),\ + sizeof(*(p))) + +#endif /* __LINUX_OVERFLOW_H */ diff --git a/tools/include/tools/libc_compat.h b/tools/include/tools/libc_compat.h new file mode 100644 index 000000000000..664ced8cb1b0 --- /dev/null +++ b/tools/include/tools/libc_compat.h @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* Copyright (C) 2018 Netronome Systems, Inc. */ + +#ifndef __TOOLS_LIBC_COMPAT_H +#define __TOOLS_LIBC_COMPAT_H + +#include <stdlib.h> +#include <linux/overflow.h> + +#ifdef COMPAT_NEED_REALLOCARRAY +static inline void *reallocarray(void *ptr, size_t nmemb, size_t size) +{ + size_t bytes; + + if (unlikely(check_mul_overflow(nmemb, size, &bytes))) + return NULL; + return realloc(ptr, bytes); +} +#endif +#endif diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h new file mode 100644 index 000000000000..42990676a55e --- /dev/null +++ b/tools/include/uapi/asm-generic/unistd.h @@ -0,0 +1,783 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#include <asm/bitsperlong.h> + +/* + * This file contains the system call numbers, based on the + * layout of the x86-64 architecture, which embeds the + * pointer to the syscall in the table. + * + * As a basic principle, no duplication of functionality + * should be added, e.g. we don't use lseek when llseek + * is present. New architectures should use this file + * and implement the less feature-full calls in user space. + */ + +#ifndef __SYSCALL +#define __SYSCALL(x, y) +#endif + +#if __BITS_PER_LONG == 32 || defined(__SYSCALL_COMPAT) +#define __SC_3264(_nr, _32, _64) __SYSCALL(_nr, _32) +#else +#define __SC_3264(_nr, _32, _64) __SYSCALL(_nr, _64) +#endif + +#ifdef __SYSCALL_COMPAT +#define __SC_COMP(_nr, _sys, _comp) __SYSCALL(_nr, _comp) +#define __SC_COMP_3264(_nr, _32, _64, _comp) __SYSCALL(_nr, _comp) +#else +#define __SC_COMP(_nr, _sys, _comp) __SYSCALL(_nr, _sys) +#define __SC_COMP_3264(_nr, _32, _64, _comp) __SC_3264(_nr, _32, _64) +#endif + +#define __NR_io_setup 0 +__SC_COMP(__NR_io_setup, sys_io_setup, compat_sys_io_setup) +#define __NR_io_destroy 1 +__SYSCALL(__NR_io_destroy, sys_io_destroy) +#define __NR_io_submit 2 +__SC_COMP(__NR_io_submit, sys_io_submit, compat_sys_io_submit) +#define __NR_io_cancel 3 +__SYSCALL(__NR_io_cancel, sys_io_cancel) +#define __NR_io_getevents 4 +__SC_COMP(__NR_io_getevents, sys_io_getevents, compat_sys_io_getevents) + +/* fs/xattr.c */ +#define __NR_setxattr 5 +__SYSCALL(__NR_setxattr, sys_setxattr) +#define __NR_lsetxattr 6 +__SYSCALL(__NR_lsetxattr, sys_lsetxattr) +#define __NR_fsetxattr 7 +__SYSCALL(__NR_fsetxattr, sys_fsetxattr) +#define __NR_getxattr 8 +__SYSCALL(__NR_getxattr, sys_getxattr) +#define __NR_lgetxattr 9 +__SYSCALL(__NR_lgetxattr, sys_lgetxattr) +#define __NR_fgetxattr 10 +__SYSCALL(__NR_fgetxattr, sys_fgetxattr) +#define __NR_listxattr 11 +__SYSCALL(__NR_listxattr, sys_listxattr) +#define __NR_llistxattr 12 +__SYSCALL(__NR_llistxattr, sys_llistxattr) +#define __NR_flistxattr 13 +__SYSCALL(__NR_flistxattr, sys_flistxattr) +#define __NR_removexattr 14 +__SYSCALL(__NR_removexattr, sys_removexattr) +#define __NR_lremovexattr 15 +__SYSCALL(__NR_lremovexattr, sys_lremovexattr) +#define __NR_fremovexattr 16 +__SYSCALL(__NR_fremovexattr, sys_fremovexattr) + +/* fs/dcache.c */ +#define __NR_getcwd 17 +__SYSCALL(__NR_getcwd, sys_getcwd) + +/* fs/cookies.c */ +#define __NR_lookup_dcookie 18 +__SC_COMP(__NR_lookup_dcookie, sys_lookup_dcookie, compat_sys_lookup_dcookie) + +/* fs/eventfd.c */ +#define __NR_eventfd2 19 +__SYSCALL(__NR_eventfd2, sys_eventfd2) + +/* fs/eventpoll.c */ +#define __NR_epoll_create1 20 +__SYSCALL(__NR_epoll_create1, sys_epoll_create1) +#define __NR_epoll_ctl 21 +__SYSCALL(__NR_epoll_ctl, sys_epoll_ctl) +#define __NR_epoll_pwait 22 +__SC_COMP(__NR_epoll_pwait, sys_epoll_pwait, compat_sys_epoll_pwait) + +/* fs/fcntl.c */ +#define __NR_dup 23 +__SYSCALL(__NR_dup, sys_dup) +#define __NR_dup3 24 +__SYSCALL(__NR_dup3, sys_dup3) +#define __NR3264_fcntl 25 +__SC_COMP_3264(__NR3264_fcntl, sys_fcntl64, sys_fcntl, compat_sys_fcntl64) + +/* fs/inotify_user.c */ +#define __NR_inotify_init1 26 +__SYSCALL(__NR_inotify_init1, sys_inotify_init1) +#define __NR_inotify_add_watch 27 +__SYSCALL(__NR_inotify_add_watch, sys_inotify_add_watch) +#define __NR_inotify_rm_watch 28 +__SYSCALL(__NR_inotify_rm_watch, sys_inotify_rm_watch) + +/* fs/ioctl.c */ +#define __NR_ioctl 29 +__SC_COMP(__NR_ioctl, sys_ioctl, compat_sys_ioctl) + +/* fs/ioprio.c */ +#define __NR_ioprio_set 30 +__SYSCALL(__NR_ioprio_set, sys_ioprio_set) +#define __NR_ioprio_get 31 +__SYSCALL(__NR_ioprio_get, sys_ioprio_get) + +/* fs/locks.c */ +#define __NR_flock 32 +__SYSCALL(__NR_flock, sys_flock) + +/* fs/namei.c */ +#define __NR_mknodat 33 +__SYSCALL(__NR_mknodat, sys_mknodat) +#define __NR_mkdirat 34 +__SYSCALL(__NR_mkdirat, sys_mkdirat) +#define __NR_unlinkat 35 +__SYSCALL(__NR_unlinkat, sys_unlinkat) +#define __NR_symlinkat 36 +__SYSCALL(__NR_symlinkat, sys_symlinkat) +#define __NR_linkat 37 +__SYSCALL(__NR_linkat, sys_linkat) +#ifdef __ARCH_WANT_RENAMEAT +/* renameat is superseded with flags by renameat2 */ +#define __NR_renameat 38 +__SYSCALL(__NR_renameat, sys_renameat) +#endif /* __ARCH_WANT_RENAMEAT */ + +/* fs/namespace.c */ +#define __NR_umount2 39 +__SYSCALL(__NR_umount2, sys_umount) +#define __NR_mount 40 +__SC_COMP(__NR_mount, sys_mount, compat_sys_mount) +#define __NR_pivot_root 41 +__SYSCALL(__NR_pivot_root, sys_pivot_root) + +/* fs/nfsctl.c */ +#define __NR_nfsservctl 42 +__SYSCALL(__NR_nfsservctl, sys_ni_syscall) + +/* fs/open.c */ +#define __NR3264_statfs 43 +__SC_COMP_3264(__NR3264_statfs, sys_statfs64, sys_statfs, \ + compat_sys_statfs64) +#define __NR3264_fstatfs 44 +__SC_COMP_3264(__NR3264_fstatfs, sys_fstatfs64, sys_fstatfs, \ + compat_sys_fstatfs64) +#define __NR3264_truncate 45 +__SC_COMP_3264(__NR3264_truncate, sys_truncate64, sys_truncate, \ + compat_sys_truncate64) +#define __NR3264_ftruncate 46 +__SC_COMP_3264(__NR3264_ftruncate, sys_ftruncate64, sys_ftruncate, \ + compat_sys_ftruncate64) + +#define __NR_fallocate 47 +__SC_COMP(__NR_fallocate, sys_fallocate, compat_sys_fallocate) +#define __NR_faccessat 48 +__SYSCALL(__NR_faccessat, sys_faccessat) +#define __NR_chdir 49 +__SYSCALL(__NR_chdir, sys_chdir) +#define __NR_fchdir 50 +__SYSCALL(__NR_fchdir, sys_fchdir) +#define __NR_chroot 51 +__SYSCALL(__NR_chroot, sys_chroot) +#define __NR_fchmod 52 +__SYSCALL(__NR_fchmod, sys_fchmod) +#define __NR_fchmodat 53 +__SYSCALL(__NR_fchmodat, sys_fchmodat) +#define __NR_fchownat 54 +__SYSCALL(__NR_fchownat, sys_fchownat) +#define __NR_fchown 55 +__SYSCALL(__NR_fchown, sys_fchown) +#define __NR_openat 56 +__SC_COMP(__NR_openat, sys_openat, compat_sys_openat) +#define __NR_close 57 +__SYSCALL(__NR_close, sys_close) +#define __NR_vhangup 58 +__SYSCALL(__NR_vhangup, sys_vhangup) + +/* fs/pipe.c */ +#define __NR_pipe2 59 +__SYSCALL(__NR_pipe2, sys_pipe2) + +/* fs/quota.c */ +#define __NR_quotactl 60 +__SYSCALL(__NR_quotactl, sys_quotactl) + +/* fs/readdir.c */ +#define __NR_getdents64 61 +__SYSCALL(__NR_getdents64, sys_getdents64) + +/* fs/read_write.c */ +#define __NR3264_lseek 62 +__SC_3264(__NR3264_lseek, sys_llseek, sys_lseek) +#define __NR_read 63 +__SYSCALL(__NR_read, sys_read) +#define __NR_write 64 +__SYSCALL(__NR_write, sys_write) +#define __NR_readv 65 +__SC_COMP(__NR_readv, sys_readv, compat_sys_readv) +#define __NR_writev 66 +__SC_COMP(__NR_writev, sys_writev, compat_sys_writev) +#define __NR_pread64 67 +__SC_COMP(__NR_pread64, sys_pread64, compat_sys_pread64) +#define __NR_pwrite64 68 +__SC_COMP(__NR_pwrite64, sys_pwrite64, compat_sys_pwrite64) +#define __NR_preadv 69 +__SC_COMP(__NR_preadv, sys_preadv, compat_sys_preadv) +#define __NR_pwritev 70 +__SC_COMP(__NR_pwritev, sys_pwritev, compat_sys_pwritev) + +/* fs/sendfile.c */ +#define __NR3264_sendfile 71 +__SYSCALL(__NR3264_sendfile, sys_sendfile64) + +/* fs/select.c */ +#define __NR_pselect6 72 +__SC_COMP(__NR_pselect6, sys_pselect6, compat_sys_pselect6) +#define __NR_ppoll 73 +__SC_COMP(__NR_ppoll, sys_ppoll, compat_sys_ppoll) + +/* fs/signalfd.c */ +#define __NR_signalfd4 74 +__SC_COMP(__NR_signalfd4, sys_signalfd4, compat_sys_signalfd4) + +/* fs/splice.c */ +#define __NR_vmsplice 75 +__SC_COMP(__NR_vmsplice, sys_vmsplice, compat_sys_vmsplice) +#define __NR_splice 76 +__SYSCALL(__NR_splice, sys_splice) +#define __NR_tee 77 +__SYSCALL(__NR_tee, sys_tee) + +/* fs/stat.c */ +#define __NR_readlinkat 78 +__SYSCALL(__NR_readlinkat, sys_readlinkat) +#define __NR3264_fstatat 79 +__SC_3264(__NR3264_fstatat, sys_fstatat64, sys_newfstatat) +#define __NR3264_fstat 80 +__SC_3264(__NR3264_fstat, sys_fstat64, sys_newfstat) + +/* fs/sync.c */ +#define __NR_sync 81 +__SYSCALL(__NR_sync, sys_sync) +#define __NR_fsync 82 +__SYSCALL(__NR_fsync, sys_fsync) +#define __NR_fdatasync 83 +__SYSCALL(__NR_fdatasync, sys_fdatasync) +#ifdef __ARCH_WANT_SYNC_FILE_RANGE2 +#define __NR_sync_file_range2 84 +__SC_COMP(__NR_sync_file_range2, sys_sync_file_range2, \ + compat_sys_sync_file_range2) +#else +#define __NR_sync_file_range 84 +__SC_COMP(__NR_sync_file_range, sys_sync_file_range, \ + compat_sys_sync_file_range) +#endif + +/* fs/timerfd.c */ +#define __NR_timerfd_create 85 +__SYSCALL(__NR_timerfd_create, sys_timerfd_create) +#define __NR_timerfd_settime 86 +__SC_COMP(__NR_timerfd_settime, sys_timerfd_settime, \ + compat_sys_timerfd_settime) +#define __NR_timerfd_gettime 87 +__SC_COMP(__NR_timerfd_gettime, sys_timerfd_gettime, \ + compat_sys_timerfd_gettime) + +/* fs/utimes.c */ +#define __NR_utimensat 88 +__SC_COMP(__NR_utimensat, sys_utimensat, compat_sys_utimensat) + +/* kernel/acct.c */ +#define __NR_acct 89 +__SYSCALL(__NR_acct, sys_acct) + +/* kernel/capability.c */ +#define __NR_capget 90 +__SYSCALL(__NR_capget, sys_capget) +#define __NR_capset 91 +__SYSCALL(__NR_capset, sys_capset) + +/* kernel/exec_domain.c */ +#define __NR_personality 92 +__SYSCALL(__NR_personality, sys_personality) + +/* kernel/exit.c */ +#define __NR_exit 93 +__SYSCALL(__NR_exit, sys_exit) +#define __NR_exit_group 94 +__SYSCALL(__NR_exit_group, sys_exit_group) +#define __NR_waitid 95 +__SC_COMP(__NR_waitid, sys_waitid, compat_sys_waitid) + +/* kernel/fork.c */ +#define __NR_set_tid_address 96 +__SYSCALL(__NR_set_tid_address, sys_set_tid_address) +#define __NR_unshare 97 +__SYSCALL(__NR_unshare, sys_unshare) + +/* kernel/futex.c */ +#define __NR_futex 98 +__SC_COMP(__NR_futex, sys_futex, compat_sys_futex) +#define __NR_set_robust_list 99 +__SC_COMP(__NR_set_robust_list, sys_set_robust_list, \ + compat_sys_set_robust_list) +#define __NR_get_robust_list 100 +__SC_COMP(__NR_get_robust_list, sys_get_robust_list, \ + compat_sys_get_robust_list) + +/* kernel/hrtimer.c */ +#define __NR_nanosleep 101 +__SC_COMP(__NR_nanosleep, sys_nanosleep, compat_sys_nanosleep) + +/* kernel/itimer.c */ +#define __NR_getitimer 102 +__SC_COMP(__NR_getitimer, sys_getitimer, compat_sys_getitimer) +#define __NR_setitimer 103 +__SC_COMP(__NR_setitimer, sys_setitimer, compat_sys_setitimer) + +/* kernel/kexec.c */ +#define __NR_kexec_load 104 +__SC_COMP(__NR_kexec_load, sys_kexec_load, compat_sys_kexec_load) + +/* kernel/module.c */ +#define __NR_init_module 105 +__SYSCALL(__NR_init_module, sys_init_module) +#define __NR_delete_module 106 +__SYSCALL(__NR_delete_module, sys_delete_module) + +/* kernel/posix-timers.c */ +#define __NR_timer_create 107 +__SC_COMP(__NR_timer_create, sys_timer_create, compat_sys_timer_create) +#define __NR_timer_gettime 108 +__SC_COMP(__NR_timer_gettime, sys_timer_gettime, compat_sys_timer_gettime) +#define __NR_timer_getoverrun 109 +__SYSCALL(__NR_timer_getoverrun, sys_timer_getoverrun) +#define __NR_timer_settime 110 +__SC_COMP(__NR_timer_settime, sys_timer_settime, compat_sys_timer_settime) +#define __NR_timer_delete 111 +__SYSCALL(__NR_timer_delete, sys_timer_delete) +#define __NR_clock_settime 112 +__SC_COMP(__NR_clock_settime, sys_clock_settime, compat_sys_clock_settime) +#define __NR_clock_gettime 113 +__SC_COMP(__NR_clock_gettime, sys_clock_gettime, compat_sys_clock_gettime) +#define __NR_clock_getres 114 +__SC_COMP(__NR_clock_getres, sys_clock_getres, compat_sys_clock_getres) +#define __NR_clock_nanosleep 115 +__SC_COMP(__NR_clock_nanosleep, sys_clock_nanosleep, \ + compat_sys_clock_nanosleep) + +/* kernel/printk.c */ +#define __NR_syslog 116 +__SYSCALL(__NR_syslog, sys_syslog) + +/* kernel/ptrace.c */ +#define __NR_ptrace 117 +__SYSCALL(__NR_ptrace, sys_ptrace) + +/* kernel/sched/core.c */ +#define __NR_sched_setparam 118 +__SYSCALL(__NR_sched_setparam, sys_sched_setparam) +#define __NR_sched_setscheduler 119 +__SYSCALL(__NR_sched_setscheduler, sys_sched_setscheduler) +#define __NR_sched_getscheduler 120 +__SYSCALL(__NR_sched_getscheduler, sys_sched_getscheduler) +#define __NR_sched_getparam 121 +__SYSCALL(__NR_sched_getparam, sys_sched_getparam) +#define __NR_sched_setaffinity 122 +__SC_COMP(__NR_sched_setaffinity, sys_sched_setaffinity, \ + compat_sys_sched_setaffinity) +#define __NR_sched_getaffinity 123 +__SC_COMP(__NR_sched_getaffinity, sys_sched_getaffinity, \ + compat_sys_sched_getaffinity) +#define __NR_sched_yield 124 +__SYSCALL(__NR_sched_yield, sys_sched_yield) +#define __NR_sched_get_priority_max 125 +__SYSCALL(__NR_sched_get_priority_max, sys_sched_get_priority_max) +#define __NR_sched_get_priority_min 126 +__SYSCALL(__NR_sched_get_priority_min, sys_sched_get_priority_min) +#define __NR_sched_rr_get_interval 127 +__SC_COMP(__NR_sched_rr_get_interval, sys_sched_rr_get_interval, \ + compat_sys_sched_rr_get_interval) + +/* kernel/signal.c */ +#define __NR_restart_syscall 128 +__SYSCALL(__NR_restart_syscall, sys_restart_syscall) +#define __NR_kill 129 +__SYSCALL(__NR_kill, sys_kill) +#define __NR_tkill 130 +__SYSCALL(__NR_tkill, sys_tkill) +#define __NR_tgkill 131 +__SYSCALL(__NR_tgkill, sys_tgkill) +#define __NR_sigaltstack 132 +__SC_COMP(__NR_sigaltstack, sys_sigaltstack, compat_sys_sigaltstack) +#define __NR_rt_sigsuspend 133 +__SC_COMP(__NR_rt_sigsuspend, sys_rt_sigsuspend, compat_sys_rt_sigsuspend) +#define __NR_rt_sigaction 134 +__SC_COMP(__NR_rt_sigaction, sys_rt_sigaction, compat_sys_rt_sigaction) +#define __NR_rt_sigprocmask 135 +__SC_COMP(__NR_rt_sigprocmask, sys_rt_sigprocmask, compat_sys_rt_sigprocmask) +#define __NR_rt_sigpending 136 +__SC_COMP(__NR_rt_sigpending, sys_rt_sigpending, compat_sys_rt_sigpending) +#define __NR_rt_sigtimedwait 137 +__SC_COMP(__NR_rt_sigtimedwait, sys_rt_sigtimedwait, \ + compat_sys_rt_sigtimedwait) +#define __NR_rt_sigqueueinfo 138 +__SC_COMP(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo, \ + compat_sys_rt_sigqueueinfo) +#define __NR_rt_sigreturn 139 +__SC_COMP(__NR_rt_sigreturn, sys_rt_sigreturn, compat_sys_rt_sigreturn) + +/* kernel/sys.c */ +#define __NR_setpriority 140 +__SYSCALL(__NR_setpriority, sys_setpriority) +#define __NR_getpriority 141 +__SYSCALL(__NR_getpriority, sys_getpriority) +#define __NR_reboot 142 +__SYSCALL(__NR_reboot, sys_reboot) +#define __NR_setregid 143 +__SYSCALL(__NR_setregid, sys_setregid) +#define __NR_setgid 144 +__SYSCALL(__NR_setgid, sys_setgid) +#define __NR_setreuid 145 +__SYSCALL(__NR_setreuid, sys_setreuid) +#define __NR_setuid 146 +__SYSCALL(__NR_setuid, sys_setuid) +#define __NR_setresuid 147 +__SYSCALL(__NR_setresuid, sys_setresuid) +#define __NR_getresuid 148 +__SYSCALL(__NR_getresuid, sys_getresuid) +#define __NR_setresgid 149 +__SYSCALL(__NR_setresgid, sys_setresgid) +#define __NR_getresgid 150 +__SYSCALL(__NR_getresgid, sys_getresgid) +#define __NR_setfsuid 151 +__SYSCALL(__NR_setfsuid, sys_setfsuid) +#define __NR_setfsgid 152 +__SYSCALL(__NR_setfsgid, sys_setfsgid) +#define __NR_times 153 +__SC_COMP(__NR_times, sys_times, compat_sys_times) +#define __NR_setpgid 154 +__SYSCALL(__NR_setpgid, sys_setpgid) +#define __NR_getpgid 155 +__SYSCALL(__NR_getpgid, sys_getpgid) +#define __NR_getsid 156 +__SYSCALL(__NR_getsid, sys_getsid) +#define __NR_setsid 157 +__SYSCALL(__NR_setsid, sys_setsid) +#define __NR_getgroups 158 +__SYSCALL(__NR_getgroups, sys_getgroups) +#define __NR_setgroups 159 +__SYSCALL(__NR_setgroups, sys_setgroups) +#define __NR_uname 160 +__SYSCALL(__NR_uname, sys_newuname) +#define __NR_sethostname 161 +__SYSCALL(__NR_sethostname, sys_sethostname) +#define __NR_setdomainname 162 +__SYSCALL(__NR_setdomainname, sys_setdomainname) +#define __NR_getrlimit 163 +__SC_COMP(__NR_getrlimit, sys_getrlimit, compat_sys_getrlimit) +#define __NR_setrlimit 164 +__SC_COMP(__NR_setrlimit, sys_setrlimit, compat_sys_setrlimit) +#define __NR_getrusage 165 +__SC_COMP(__NR_getrusage, sys_getrusage, compat_sys_getrusage) +#define __NR_umask 166 +__SYSCALL(__NR_umask, sys_umask) +#define __NR_prctl 167 +__SYSCALL(__NR_prctl, sys_prctl) +#define __NR_getcpu 168 +__SYSCALL(__NR_getcpu, sys_getcpu) + +/* kernel/time.c */ +#define __NR_gettimeofday 169 +__SC_COMP(__NR_gettimeofday, sys_gettimeofday, compat_sys_gettimeofday) +#define __NR_settimeofday 170 +__SC_COMP(__NR_settimeofday, sys_settimeofday, compat_sys_settimeofday) +#define __NR_adjtimex 171 +__SC_COMP(__NR_adjtimex, sys_adjtimex, compat_sys_adjtimex) + +/* kernel/timer.c */ +#define __NR_getpid 172 +__SYSCALL(__NR_getpid, sys_getpid) +#define __NR_getppid 173 +__SYSCALL(__NR_getppid, sys_getppid) +#define __NR_getuid 174 +__SYSCALL(__NR_getuid, sys_getuid) +#define __NR_geteuid 175 +__SYSCALL(__NR_geteuid, sys_geteuid) +#define __NR_getgid 176 +__SYSCALL(__NR_getgid, sys_getgid) +#define __NR_getegid 177 +__SYSCALL(__NR_getegid, sys_getegid) +#define __NR_gettid 178 +__SYSCALL(__NR_gettid, sys_gettid) +#define __NR_sysinfo 179 +__SC_COMP(__NR_sysinfo, sys_sysinfo, compat_sys_sysinfo) + +/* ipc/mqueue.c */ +#define __NR_mq_open 180 +__SC_COMP(__NR_mq_open, sys_mq_open, compat_sys_mq_open) +#define __NR_mq_unlink 181 +__SYSCALL(__NR_mq_unlink, sys_mq_unlink) +#define __NR_mq_timedsend 182 +__SC_COMP(__NR_mq_timedsend, sys_mq_timedsend, compat_sys_mq_timedsend) +#define __NR_mq_timedreceive 183 +__SC_COMP(__NR_mq_timedreceive, sys_mq_timedreceive, \ + compat_sys_mq_timedreceive) +#define __NR_mq_notify 184 +__SC_COMP(__NR_mq_notify, sys_mq_notify, compat_sys_mq_notify) +#define __NR_mq_getsetattr 185 +__SC_COMP(__NR_mq_getsetattr, sys_mq_getsetattr, compat_sys_mq_getsetattr) + +/* ipc/msg.c */ +#define __NR_msgget 186 +__SYSCALL(__NR_msgget, sys_msgget) +#define __NR_msgctl 187 +__SC_COMP(__NR_msgctl, sys_msgctl, compat_sys_msgctl) +#define __NR_msgrcv 188 +__SC_COMP(__NR_msgrcv, sys_msgrcv, compat_sys_msgrcv) +#define __NR_msgsnd 189 +__SC_COMP(__NR_msgsnd, sys_msgsnd, compat_sys_msgsnd) + +/* ipc/sem.c */ +#define __NR_semget 190 +__SYSCALL(__NR_semget, sys_semget) +#define __NR_semctl 191 +__SC_COMP(__NR_semctl, sys_semctl, compat_sys_semctl) +#define __NR_semtimedop 192 +__SC_COMP(__NR_semtimedop, sys_semtimedop, compat_sys_semtimedop) +#define __NR_semop 193 +__SYSCALL(__NR_semop, sys_semop) + +/* ipc/shm.c */ +#define __NR_shmget 194 +__SYSCALL(__NR_shmget, sys_shmget) +#define __NR_shmctl 195 +__SC_COMP(__NR_shmctl, sys_shmctl, compat_sys_shmctl) +#define __NR_shmat 196 +__SC_COMP(__NR_shmat, sys_shmat, compat_sys_shmat) +#define __NR_shmdt 197 +__SYSCALL(__NR_shmdt, sys_shmdt) + +/* net/socket.c */ +#define __NR_socket 198 +__SYSCALL(__NR_socket, sys_socket) +#define __NR_socketpair 199 +__SYSCALL(__NR_socketpair, sys_socketpair) +#define __NR_bind 200 +__SYSCALL(__NR_bind, sys_bind) +#define __NR_listen 201 +__SYSCALL(__NR_listen, sys_listen) +#define __NR_accept 202 +__SYSCALL(__NR_accept, sys_accept) +#define __NR_connect 203 +__SYSCALL(__NR_connect, sys_connect) +#define __NR_getsockname 204 +__SYSCALL(__NR_getsockname, sys_getsockname) +#define __NR_getpeername 205 +__SYSCALL(__NR_getpeername, sys_getpeername) +#define __NR_sendto 206 +__SYSCALL(__NR_sendto, sys_sendto) +#define __NR_recvfrom 207 +__SC_COMP(__NR_recvfrom, sys_recvfrom, compat_sys_recvfrom) +#define __NR_setsockopt 208 +__SC_COMP(__NR_setsockopt, sys_setsockopt, compat_sys_setsockopt) +#define __NR_getsockopt 209 +__SC_COMP(__NR_getsockopt, sys_getsockopt, compat_sys_getsockopt) +#define __NR_shutdown 210 +__SYSCALL(__NR_shutdown, sys_shutdown) +#define __NR_sendmsg 211 +__SC_COMP(__NR_sendmsg, sys_sendmsg, compat_sys_sendmsg) +#define __NR_recvmsg 212 +__SC_COMP(__NR_recvmsg, sys_recvmsg, compat_sys_recvmsg) + +/* mm/filemap.c */ +#define __NR_readahead 213 +__SC_COMP(__NR_readahead, sys_readahead, compat_sys_readahead) + +/* mm/nommu.c, also with MMU */ +#define __NR_brk 214 +__SYSCALL(__NR_brk, sys_brk) +#define __NR_munmap 215 +__SYSCALL(__NR_munmap, sys_munmap) +#define __NR_mremap 216 +__SYSCALL(__NR_mremap, sys_mremap) + +/* security/keys/keyctl.c */ +#define __NR_add_key 217 +__SYSCALL(__NR_add_key, sys_add_key) +#define __NR_request_key 218 +__SYSCALL(__NR_request_key, sys_request_key) +#define __NR_keyctl 219 +__SC_COMP(__NR_keyctl, sys_keyctl, compat_sys_keyctl) + +/* arch/example/kernel/sys_example.c */ +#define __NR_clone 220 +__SYSCALL(__NR_clone, sys_clone) +#define __NR_execve 221 +__SC_COMP(__NR_execve, sys_execve, compat_sys_execve) + +#define __NR3264_mmap 222 +__SC_3264(__NR3264_mmap, sys_mmap2, sys_mmap) +/* mm/fadvise.c */ +#define __NR3264_fadvise64 223 +__SC_COMP(__NR3264_fadvise64, sys_fadvise64_64, compat_sys_fadvise64_64) + +/* mm/, CONFIG_MMU only */ +#ifndef __ARCH_NOMMU +#define __NR_swapon 224 +__SYSCALL(__NR_swapon, sys_swapon) +#define __NR_swapoff 225 +__SYSCALL(__NR_swapoff, sys_swapoff) +#define __NR_mprotect 226 +__SYSCALL(__NR_mprotect, sys_mprotect) +#define __NR_msync 227 +__SYSCALL(__NR_msync, sys_msync) +#define __NR_mlock 228 +__SYSCALL(__NR_mlock, sys_mlock) +#define __NR_munlock 229 +__SYSCALL(__NR_munlock, sys_munlock) +#define __NR_mlockall 230 +__SYSCALL(__NR_mlockall, sys_mlockall) +#define __NR_munlockall 231 +__SYSCALL(__NR_munlockall, sys_munlockall) +#define __NR_mincore 232 +__SYSCALL(__NR_mincore, sys_mincore) +#define __NR_madvise 233 +__SYSCALL(__NR_madvise, sys_madvise) +#define __NR_remap_file_pages 234 +__SYSCALL(__NR_remap_file_pages, sys_remap_file_pages) +#define __NR_mbind 235 +__SC_COMP(__NR_mbind, sys_mbind, compat_sys_mbind) +#define __NR_get_mempolicy 236 +__SC_COMP(__NR_get_mempolicy, sys_get_mempolicy, compat_sys_get_mempolicy) +#define __NR_set_mempolicy 237 +__SC_COMP(__NR_set_mempolicy, sys_set_mempolicy, compat_sys_set_mempolicy) +#define __NR_migrate_pages 238 +__SC_COMP(__NR_migrate_pages, sys_migrate_pages, compat_sys_migrate_pages) +#define __NR_move_pages 239 +__SC_COMP(__NR_move_pages, sys_move_pages, compat_sys_move_pages) +#endif + +#define __NR_rt_tgsigqueueinfo 240 +__SC_COMP(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo, \ + compat_sys_rt_tgsigqueueinfo) +#define __NR_perf_event_open 241 +__SYSCALL(__NR_perf_event_open, sys_perf_event_open) +#define __NR_accept4 242 +__SYSCALL(__NR_accept4, sys_accept4) +#define __NR_recvmmsg 243 +__SC_COMP(__NR_recvmmsg, sys_recvmmsg, compat_sys_recvmmsg) + +/* + * Architectures may provide up to 16 syscalls of their own + * starting with this value. + */ +#define __NR_arch_specific_syscall 244 + +#define __NR_wait4 260 +__SC_COMP(__NR_wait4, sys_wait4, compat_sys_wait4) +#define __NR_prlimit64 261 +__SYSCALL(__NR_prlimit64, sys_prlimit64) +#define __NR_fanotify_init 262 +__SYSCALL(__NR_fanotify_init, sys_fanotify_init) +#define __NR_fanotify_mark 263 +__SYSCALL(__NR_fanotify_mark, sys_fanotify_mark) +#define __NR_name_to_handle_at 264 +__SYSCALL(__NR_name_to_handle_at, sys_name_to_handle_at) +#define __NR_open_by_handle_at 265 +__SC_COMP(__NR_open_by_handle_at, sys_open_by_handle_at, \ + compat_sys_open_by_handle_at) +#define __NR_clock_adjtime 266 +__SC_COMP(__NR_clock_adjtime, sys_clock_adjtime, compat_sys_clock_adjtime) +#define __NR_syncfs 267 +__SYSCALL(__NR_syncfs, sys_syncfs) +#define __NR_setns 268 +__SYSCALL(__NR_setns, sys_setns) +#define __NR_sendmmsg 269 +__SC_COMP(__NR_sendmmsg, sys_sendmmsg, compat_sys_sendmmsg) +#define __NR_process_vm_readv 270 +__SC_COMP(__NR_process_vm_readv, sys_process_vm_readv, \ + compat_sys_process_vm_readv) +#define __NR_process_vm_writev 271 +__SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \ + compat_sys_process_vm_writev) +#define __NR_kcmp 272 +__SYSCALL(__NR_kcmp, sys_kcmp) +#define __NR_finit_module 273 +__SYSCALL(__NR_finit_module, sys_finit_module) +#define __NR_sched_setattr 274 +__SYSCALL(__NR_sched_setattr, sys_sched_setattr) +#define __NR_sched_getattr 275 +__SYSCALL(__NR_sched_getattr, sys_sched_getattr) +#define __NR_renameat2 276 +__SYSCALL(__NR_renameat2, sys_renameat2) +#define __NR_seccomp 277 +__SYSCALL(__NR_seccomp, sys_seccomp) +#define __NR_getrandom 278 +__SYSCALL(__NR_getrandom, sys_getrandom) +#define __NR_memfd_create 279 +__SYSCALL(__NR_memfd_create, sys_memfd_create) +#define __NR_bpf 280 +__SYSCALL(__NR_bpf, sys_bpf) +#define __NR_execveat 281 +__SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat) +#define __NR_userfaultfd 282 +__SYSCALL(__NR_userfaultfd, sys_userfaultfd) +#define __NR_membarrier 283 +__SYSCALL(__NR_membarrier, sys_membarrier) +#define __NR_mlock2 284 +__SYSCALL(__NR_mlock2, sys_mlock2) +#define __NR_copy_file_range 285 +__SYSCALL(__NR_copy_file_range, sys_copy_file_range) +#define __NR_preadv2 286 +__SC_COMP(__NR_preadv2, sys_preadv2, compat_sys_preadv2) +#define __NR_pwritev2 287 +__SC_COMP(__NR_pwritev2, sys_pwritev2, compat_sys_pwritev2) +#define __NR_pkey_mprotect 288 +__SYSCALL(__NR_pkey_mprotect, sys_pkey_mprotect) +#define __NR_pkey_alloc 289 +__SYSCALL(__NR_pkey_alloc, sys_pkey_alloc) +#define __NR_pkey_free 290 +__SYSCALL(__NR_pkey_free, sys_pkey_free) +#define __NR_statx 291 +__SYSCALL(__NR_statx, sys_statx) +#define __NR_io_pgetevents 292 +__SC_COMP(__NR_io_pgetevents, sys_io_pgetevents, compat_sys_io_pgetevents) + +#undef __NR_syscalls +#define __NR_syscalls 293 + +/* + * 32 bit systems traditionally used different + * syscalls for off_t and loff_t arguments, while + * 64 bit systems only need the off_t version. + * For new 32 bit platforms, there is no need to + * implement the old 32 bit off_t syscalls, so + * they take different names. + * Here we map the numbers so that both versions + * use the same syscall table layout. + */ +#if __BITS_PER_LONG == 64 && !defined(__SYSCALL_COMPAT) +#define __NR_fcntl __NR3264_fcntl +#define __NR_statfs __NR3264_statfs +#define __NR_fstatfs __NR3264_fstatfs +#define __NR_truncate __NR3264_truncate +#define __NR_ftruncate __NR3264_ftruncate +#define __NR_lseek __NR3264_lseek +#define __NR_sendfile __NR3264_sendfile +#define __NR_newfstatat __NR3264_fstatat +#define __NR_fstat __NR3264_fstat +#define __NR_mmap __NR3264_mmap +#define __NR_fadvise64 __NR3264_fadvise64 +#ifdef __NR3264_stat +#define __NR_stat __NR3264_stat +#define __NR_lstat __NR3264_lstat +#endif +#else +#define __NR_fcntl64 __NR3264_fcntl +#define __NR_statfs64 __NR3264_statfs +#define __NR_fstatfs64 __NR3264_fstatfs +#define __NR_truncate64 __NR3264_truncate +#define __NR_ftruncate64 __NR3264_ftruncate +#define __NR_llseek __NR3264_lseek +#define __NR_sendfile64 __NR3264_sendfile +#define __NR_fstatat64 __NR3264_fstatat +#define __NR_fstat64 __NR3264_fstat +#define __NR_mmap2 __NR3264_mmap +#define __NR_fadvise64_64 __NR3264_fadvise64 +#ifdef __NR3264_stat +#define __NR_stat64 __NR3264_stat +#define __NR_lstat64 __NR3264_lstat +#endif +#endif diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index b7db3261c62d..66917a4eba27 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -75,6 +75,11 @@ struct bpf_lpm_trie_key { __u8 data[0]; /* Arbitrary size */ }; +struct bpf_cgroup_storage_key { + __u64 cgroup_inode_id; /* cgroup inode id */ + __u32 attach_type; /* program attach type */ +}; + /* BPF syscall commands, see bpf(2) man-page for details. */ enum bpf_cmd { BPF_MAP_CREATE, @@ -120,6 +125,8 @@ enum bpf_map_type { BPF_MAP_TYPE_CPUMAP, BPF_MAP_TYPE_XSKMAP, BPF_MAP_TYPE_SOCKHASH, + BPF_MAP_TYPE_CGROUP_STORAGE, + BPF_MAP_TYPE_REUSEPORT_SOCKARRAY, }; enum bpf_prog_type { @@ -144,6 +151,7 @@ enum bpf_prog_type { BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_PROG_TYPE_LWT_SEG6LOCAL, BPF_PROG_TYPE_LIRC_MODE2, + BPF_PROG_TYPE_SK_REUSEPORT, }; enum bpf_attach_type { @@ -1371,6 +1379,20 @@ union bpf_attr { * A 8-byte long non-decreasing number on success, or 0 if the * socket field is missing inside *skb*. * + * u64 bpf_get_socket_cookie(struct bpf_sock_addr *ctx) + * Description + * Equivalent to bpf_get_socket_cookie() helper that accepts + * *skb*, but gets socket from **struct bpf_sock_addr** contex. + * Return + * A 8-byte long non-decreasing number. + * + * u64 bpf_get_socket_cookie(struct bpf_sock_ops *ctx) + * Description + * Equivalent to bpf_get_socket_cookie() helper that accepts + * *skb*, but gets socket from **struct bpf_sock_ops** contex. + * Return + * A 8-byte long non-decreasing number. + * * u32 bpf_get_socket_uid(struct sk_buff *skb) * Return * The owner UID of the socket associated to *skb*. If the socket @@ -1826,7 +1848,7 @@ union bpf_attr { * A non-negative value equal to or less than *size* on success, * or a negative error in case of failure. * - * int skb_load_bytes_relative(const struct sk_buff *skb, u32 offset, void *to, u32 len, u32 start_header) + * int bpf_skb_load_bytes_relative(const struct sk_buff *skb, u32 offset, void *to, u32 len, u32 start_header) * Description * This helper is similar to **bpf_skb_load_bytes**\ () in that * it provides an easy way to load *len* bytes from *offset* @@ -1877,7 +1899,7 @@ union bpf_attr { * * < 0 if any input argument is invalid * * 0 on success (packet is forwarded, nexthop neighbor exists) * * > 0 one of **BPF_FIB_LKUP_RET_** codes explaining why the - * * packet is not forwarded or needs assist from full stack + * packet is not forwarded or needs assist from full stack * * int bpf_sock_hash_update(struct bpf_sock_ops_kern *skops, struct bpf_map *map, void *key, u64 flags) * Description @@ -2033,7 +2055,6 @@ union bpf_attr { * This helper is only available is the kernel was compiled with * the **CONFIG_BPF_LIRC_MODE2** configuration option set to * "**y**". - * * Return * 0 * @@ -2053,7 +2074,6 @@ union bpf_attr { * This helper is only available is the kernel was compiled with * the **CONFIG_BPF_LIRC_MODE2** configuration option set to * "**y**". - * * Return * 0 * @@ -2073,10 +2093,54 @@ union bpf_attr { * Return * The id is returned or 0 in case the id could not be retrieved. * + * u64 bpf_skb_ancestor_cgroup_id(struct sk_buff *skb, int ancestor_level) + * Description + * Return id of cgroup v2 that is ancestor of cgroup associated + * with the *skb* at the *ancestor_level*. The root cgroup is at + * *ancestor_level* zero and each step down the hierarchy + * increments the level. If *ancestor_level* == level of cgroup + * associated with *skb*, then return value will be same as that + * of **bpf_skb_cgroup_id**\ (). + * + * The helper is useful to implement policies based on cgroups + * that are upper in hierarchy than immediate cgroup associated + * with *skb*. + * + * The format of returned id and helper limitations are same as in + * **bpf_skb_cgroup_id**\ (). + * Return + * The id is returned or 0 in case the id could not be retrieved. + * * u64 bpf_get_current_cgroup_id(void) * Return * A 64-bit integer containing the current cgroup id based * on the cgroup within which the current task is running. + * + * void* get_local_storage(void *map, u64 flags) + * Description + * Get the pointer to the local storage area. + * The type and the size of the local storage is defined + * by the *map* argument. + * The *flags* meaning is specific for each map type, + * and has to be 0 for cgroup local storage. + * + * Depending on the bpf program type, a local storage area + * can be shared between multiple instances of the bpf program, + * running simultaneously. + * + * A user should care about the synchronization by himself. + * For example, by using the BPF_STX_XADD instruction to alter + * the shared data. + * Return + * Pointer to the local storage area. + * + * int bpf_sk_select_reuseport(struct sk_reuseport_md *reuse, struct bpf_map *map, void *key, u64 flags) + * Description + * Select a SO_REUSEPORT sk from a BPF_MAP_TYPE_REUSEPORT_ARRAY map + * It checks the selected sk is matching the incoming + * request in the skb. + * Return + * 0 on success, or a negative error in case of failure. */ #define __BPF_FUNC_MAPPER(FN) \ FN(unspec), \ @@ -2159,7 +2223,10 @@ union bpf_attr { FN(rc_repeat), \ FN(rc_keydown), \ FN(skb_cgroup_id), \ - FN(get_current_cgroup_id), + FN(get_current_cgroup_id), \ + FN(get_local_storage), \ + FN(sk_select_reuseport), \ + FN(skb_ancestor_cgroup_id), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call @@ -2376,6 +2443,30 @@ struct sk_msg_md { __u32 local_port; /* stored in host byte order */ }; +struct sk_reuseport_md { + /* + * Start of directly accessible data. It begins from + * the tcp/udp header. + */ + void *data; + void *data_end; /* End of directly accessible data */ + /* + * Total length of packet (starting from the tcp/udp header). + * Note that the directly accessible bytes (data_end - data) + * could be less than this "len". Those bytes could be + * indirectly read by a helper "bpf_skb_load_bytes()". + */ + __u32 len; + /* + * Eth protocol in the mac header (network byte order). e.g. + * ETH_P_IP(0x0800) and ETH_P_IPV6(0x86DD) + */ + __u32 eth_protocol; + __u32 ip_protocol; /* IP protocol. e.g. IPPROTO_TCP, IPPROTO_UDP */ + __u32 bind_inany; /* Is sock bound to an INANY address? */ + __u32 hash; /* A hash of the packet 4 tuples */ +}; + #define BPF_TAG_SIZE 8 struct bpf_prog_info { @@ -2557,6 +2648,9 @@ enum { * Arg1: old_state * Arg2: new_state */ + BPF_SOCK_OPS_TCP_LISTEN_CB, /* Called on listen(2), right after + * socket transition to LISTEN state. + */ }; /* List of TCP states. There is a build check in net/ipv4/tcp.c to detect diff --git a/tools/include/uapi/linux/in.h b/tools/include/uapi/linux/in.h new file mode 100644 index 000000000000..48e8a225b985 --- /dev/null +++ b/tools/include/uapi/linux/in.h @@ -0,0 +1,301 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Definitions of the Internet Protocol. + * + * Version: @(#)in.h 1.0.1 04/21/93 + * + * Authors: Original taken from the GNU Project <netinet/in.h> file. + * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _UAPI_LINUX_IN_H +#define _UAPI_LINUX_IN_H + +#include <linux/types.h> +#include <linux/libc-compat.h> +#include <linux/socket.h> + +#if __UAPI_DEF_IN_IPPROTO +/* Standard well-defined IP protocols. */ +enum { + IPPROTO_IP = 0, /* Dummy protocol for TCP */ +#define IPPROTO_IP IPPROTO_IP + IPPROTO_ICMP = 1, /* Internet Control Message Protocol */ +#define IPPROTO_ICMP IPPROTO_ICMP + IPPROTO_IGMP = 2, /* Internet Group Management Protocol */ +#define IPPROTO_IGMP IPPROTO_IGMP + IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */ +#define IPPROTO_IPIP IPPROTO_IPIP + IPPROTO_TCP = 6, /* Transmission Control Protocol */ +#define IPPROTO_TCP IPPROTO_TCP + IPPROTO_EGP = 8, /* Exterior Gateway Protocol */ +#define IPPROTO_EGP IPPROTO_EGP + IPPROTO_PUP = 12, /* PUP protocol */ +#define IPPROTO_PUP IPPROTO_PUP + IPPROTO_UDP = 17, /* User Datagram Protocol */ +#define IPPROTO_UDP IPPROTO_UDP + IPPROTO_IDP = 22, /* XNS IDP protocol */ +#define IPPROTO_IDP IPPROTO_IDP + IPPROTO_TP = 29, /* SO Transport Protocol Class 4 */ +#define IPPROTO_TP IPPROTO_TP + IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol */ +#define IPPROTO_DCCP IPPROTO_DCCP + IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */ +#define IPPROTO_IPV6 IPPROTO_IPV6 + IPPROTO_RSVP = 46, /* RSVP Protocol */ +#define IPPROTO_RSVP IPPROTO_RSVP + IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */ +#define IPPROTO_GRE IPPROTO_GRE + IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */ +#define IPPROTO_ESP IPPROTO_ESP + IPPROTO_AH = 51, /* Authentication Header protocol */ +#define IPPROTO_AH IPPROTO_AH + IPPROTO_MTP = 92, /* Multicast Transport Protocol */ +#define IPPROTO_MTP IPPROTO_MTP + IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET */ +#define IPPROTO_BEETPH IPPROTO_BEETPH + IPPROTO_ENCAP = 98, /* Encapsulation Header */ +#define IPPROTO_ENCAP IPPROTO_ENCAP + IPPROTO_PIM = 103, /* Protocol Independent Multicast */ +#define IPPROTO_PIM IPPROTO_PIM + IPPROTO_COMP = 108, /* Compression Header Protocol */ +#define IPPROTO_COMP IPPROTO_COMP + IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */ +#define IPPROTO_SCTP IPPROTO_SCTP + IPPROTO_UDPLITE = 136, /* UDP-Lite (RFC 3828) */ +#define IPPROTO_UDPLITE IPPROTO_UDPLITE + IPPROTO_MPLS = 137, /* MPLS in IP (RFC 4023) */ +#define IPPROTO_MPLS IPPROTO_MPLS + IPPROTO_RAW = 255, /* Raw IP packets */ +#define IPPROTO_RAW IPPROTO_RAW + IPPROTO_MAX +}; +#endif + +#if __UAPI_DEF_IN_ADDR +/* Internet address. */ +struct in_addr { + __be32 s_addr; +}; +#endif + +#define IP_TOS 1 +#define IP_TTL 2 +#define IP_HDRINCL 3 +#define IP_OPTIONS 4 +#define IP_ROUTER_ALERT 5 +#define IP_RECVOPTS 6 +#define IP_RETOPTS 7 +#define IP_PKTINFO 8 +#define IP_PKTOPTIONS 9 +#define IP_MTU_DISCOVER 10 +#define IP_RECVERR 11 +#define IP_RECVTTL 12 +#define IP_RECVTOS 13 +#define IP_MTU 14 +#define IP_FREEBIND 15 +#define IP_IPSEC_POLICY 16 +#define IP_XFRM_POLICY 17 +#define IP_PASSSEC 18 +#define IP_TRANSPARENT 19 + +/* BSD compatibility */ +#define IP_RECVRETOPTS IP_RETOPTS + +/* TProxy original addresses */ +#define IP_ORIGDSTADDR 20 +#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR + +#define IP_MINTTL 21 +#define IP_NODEFRAG 22 +#define IP_CHECKSUM 23 +#define IP_BIND_ADDRESS_NO_PORT 24 +#define IP_RECVFRAGSIZE 25 + +/* IP_MTU_DISCOVER values */ +#define IP_PMTUDISC_DONT 0 /* Never send DF frames */ +#define IP_PMTUDISC_WANT 1 /* Use per route hints */ +#define IP_PMTUDISC_DO 2 /* Always DF */ +#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu */ +/* Always use interface mtu (ignores dst pmtu) but don't set DF flag. + * Also incoming ICMP frag_needed notifications will be ignored on + * this socket to prevent accepting spoofed ones. + */ +#define IP_PMTUDISC_INTERFACE 4 +/* weaker version of IP_PMTUDISC_INTERFACE, which allos packets to get + * fragmented if they exeed the interface mtu + */ +#define IP_PMTUDISC_OMIT 5 + +#define IP_MULTICAST_IF 32 +#define IP_MULTICAST_TTL 33 +#define IP_MULTICAST_LOOP 34 +#define IP_ADD_MEMBERSHIP 35 +#define IP_DROP_MEMBERSHIP 36 +#define IP_UNBLOCK_SOURCE 37 +#define IP_BLOCK_SOURCE 38 +#define IP_ADD_SOURCE_MEMBERSHIP 39 +#define IP_DROP_SOURCE_MEMBERSHIP 40 +#define IP_MSFILTER 41 +#define MCAST_JOIN_GROUP 42 +#define MCAST_BLOCK_SOURCE 43 +#define MCAST_UNBLOCK_SOURCE 44 +#define MCAST_LEAVE_GROUP 45 +#define MCAST_JOIN_SOURCE_GROUP 46 +#define MCAST_LEAVE_SOURCE_GROUP 47 +#define MCAST_MSFILTER 48 +#define IP_MULTICAST_ALL 49 +#define IP_UNICAST_IF 50 + +#define MCAST_EXCLUDE 0 +#define MCAST_INCLUDE 1 + +/* These need to appear somewhere around here */ +#define IP_DEFAULT_MULTICAST_TTL 1 +#define IP_DEFAULT_MULTICAST_LOOP 1 + +/* Request struct for multicast socket ops */ + +#if __UAPI_DEF_IP_MREQ +struct ip_mreq { + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_interface; /* local IP address of interface */ +}; + +struct ip_mreqn { + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_address; /* local IP address of interface */ + int imr_ifindex; /* Interface index */ +}; + +struct ip_mreq_source { + __be32 imr_multiaddr; + __be32 imr_interface; + __be32 imr_sourceaddr; +}; + +struct ip_msfilter { + __be32 imsf_multiaddr; + __be32 imsf_interface; + __u32 imsf_fmode; + __u32 imsf_numsrc; + __be32 imsf_slist[1]; +}; + +#define IP_MSFILTER_SIZE(numsrc) \ + (sizeof(struct ip_msfilter) - sizeof(__u32) \ + + (numsrc) * sizeof(__u32)) + +struct group_req { + __u32 gr_interface; /* interface index */ + struct __kernel_sockaddr_storage gr_group; /* group address */ +}; + +struct group_source_req { + __u32 gsr_interface; /* interface index */ + struct __kernel_sockaddr_storage gsr_group; /* group address */ + struct __kernel_sockaddr_storage gsr_source; /* source address */ +}; + +struct group_filter { + __u32 gf_interface; /* interface index */ + struct __kernel_sockaddr_storage gf_group; /* multicast address */ + __u32 gf_fmode; /* filter mode */ + __u32 gf_numsrc; /* number of sources */ + struct __kernel_sockaddr_storage gf_slist[1]; /* interface index */ +}; + +#define GROUP_FILTER_SIZE(numsrc) \ + (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \ + + (numsrc) * sizeof(struct __kernel_sockaddr_storage)) +#endif + +#if __UAPI_DEF_IN_PKTINFO +struct in_pktinfo { + int ipi_ifindex; + struct in_addr ipi_spec_dst; + struct in_addr ipi_addr; +}; +#endif + +/* Structure describing an Internet (IP) socket address. */ +#if __UAPI_DEF_SOCKADDR_IN +#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */ +struct sockaddr_in { + __kernel_sa_family_t sin_family; /* Address family */ + __be16 sin_port; /* Port number */ + struct in_addr sin_addr; /* Internet address */ + + /* Pad to size of `struct sockaddr'. */ + unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) - + sizeof(unsigned short int) - sizeof(struct in_addr)]; +}; +#define sin_zero __pad /* for BSD UNIX comp. -FvK */ +#endif + +#if __UAPI_DEF_IN_CLASS +/* + * Definitions of the bits in an Internet address integer. + * On subnets, host and network parts are found according + * to the subnet mask, not these masks. + */ +#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0) +#define IN_CLASSA_NET 0xff000000 +#define IN_CLASSA_NSHIFT 24 +#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) +#define IN_CLASSA_MAX 128 + +#define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000) +#define IN_CLASSB_NET 0xffff0000 +#define IN_CLASSB_NSHIFT 16 +#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) +#define IN_CLASSB_MAX 65536 + +#define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000) +#define IN_CLASSC_NET 0xffffff00 +#define IN_CLASSC_NSHIFT 8 +#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) + +#define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000) +#define IN_MULTICAST(a) IN_CLASSD(a) +#define IN_MULTICAST_NET 0xF0000000 + +#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000) +#define IN_BADCLASS(a) IN_EXPERIMENTAL((a)) + +/* Address to accept any incoming messages. */ +#define INADDR_ANY ((unsigned long int) 0x00000000) + +/* Address to send to all hosts. */ +#define INADDR_BROADCAST ((unsigned long int) 0xffffffff) + +/* Address indicating an error return. */ +#define INADDR_NONE ((unsigned long int) 0xffffffff) + +/* Network number for local host loopback. */ +#define IN_LOOPBACKNET 127 + +/* Address to loopback in software to local host. */ +#define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */ +#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000) + +/* Defines for Multicast INADDR */ +#define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ +#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ +#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ +#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ +#endif + +/* <asm/byteorder.h> contains the htonl type stuff.. */ +#include <asm/byteorder.h> + + +#endif /* _UAPI_LINUX_IN_H */ |