ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / src / kernels / 5.14.0-611.49.2.el9_7.x86_64 / include / linux

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Linux Socket Filter Data Structures
 */
#ifndef __LINUX_FILTER_H__
#define __LINUX_FILTER_H__

#include <linux/atomic.h>
#include <linux/bpf.h>
#include <linux/refcount.h>
#include <linux/compat.h>
#include <linux/skbuff.h>
#include <linux/linkage.h>
#include <linux/printk.h>
#include <linux/workqueue.h>
#include <linux/sched.h>
#include <linux/capability.h>
#include <linux/set_memory.h>
#include <linux/kallsyms.h>
#include <linux/if_vlan.h>
#include <linux/vmalloc.h>
#include <linux/sockptr.h>
#include <crypto/sha1.h>
#include <linux/u64_stats_sync.h>

#include <net/sch_generic.h>

#include <asm/byteorder.h>
#include <uapi/linux/filter.h>

struct sk_buff;
struct sock;
struct seccomp_data;
struct bpf_prog_aux;
struct xdp_rxq_info;
struct xdp_buff;
struct sock_reuseport;
struct ctl_table;
struct ctl_table_header;

/* ArgX, context and stack frame pointer register positions. Note,
 * Arg1, Arg2, Arg3, etc are used as argument mappings of function
 * calls in BPF_CALL instruction.
 */
#define BPF_REG_ARG1	BPF_REG_1
#define BPF_REG_ARG2	BPF_REG_2
#define BPF_REG_ARG3	BPF_REG_3
#define BPF_REG_ARG4	BPF_REG_4
#define BPF_REG_ARG5	BPF_REG_5
#define BPF_REG_CTX	BPF_REG_6
#define BPF_REG_FP	BPF_REG_10

/* Additional register mappings for converted user programs. */
#define BPF_REG_A	BPF_REG_0
#define BPF_REG_X	BPF_REG_7
#define BPF_REG_TMP	BPF_REG_2	/* scratch reg */
#define BPF_REG_D	BPF_REG_8	/* data, callee-saved */
#define BPF_REG_H	BPF_REG_9	/* hlen, callee-saved */

/* Kernel hidden auxiliary/helper register. */
#define BPF_REG_AX		MAX_BPF_REG
#define MAX_BPF_EXT_REG		(MAX_BPF_REG + 1)
#define MAX_BPF_JIT_REG		MAX_BPF_EXT_REG

/* unused opcode to mark special call to bpf_tail_call() helper */
#define BPF_TAIL_CALL	0xf0

/* unused opcode to mark special load instruction. Same as BPF_ABS */
#define BPF_PROBE_MEM	0x20

/* unused opcode to mark special ldsx instruction. Same as BPF_IND */
#define BPF_PROBE_MEMSX	0x40

/* unused opcode to mark special load instruction. Same as BPF_MSH */
#define BPF_PROBE_MEM32	0xa0

/* unused opcode to mark special atomic instruction */
#define BPF_PROBE_ATOMIC 0xe0

/* unused opcode to mark call to interpreter with arguments */
#define BPF_CALL_ARGS	0xe0

/* unused opcode to mark speculation barrier for mitigating
 * Speculative Store Bypass
 */
#define BPF_NOSPEC	0xc0

/* As per nm, we expose JITed images as text (code) section for
 * kallsyms. That way, tools like perf can find it to match
 * addresses.
 */
#define BPF_SYM_ELF_TYPE	't'

/* BPF program can access up to 512 bytes of stack space. */
#define MAX_BPF_STACK	512

/* Helper macros for filter block array initializers. */

/* ALU ops on registers, bpf_add|sub|...: dst_reg += src_reg */

#define BPF_ALU64_REG_OFF(OP, DST, SRC, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_ALU64 | BPF_OP(OP) | BPF_X,	\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

#define BPF_ALU64_REG(OP, DST, SRC)				\
	BPF_ALU64_REG_OFF(OP, DST, SRC, 0)

#define BPF_ALU32_REG_OFF(OP, DST, SRC, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_ALU | BPF_OP(OP) | BPF_X,		\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

#define BPF_ALU32_REG(OP, DST, SRC)				\
	BPF_ALU32_REG_OFF(OP, DST, SRC, 0)

/* ALU ops on immediates, bpf_add|sub|...: dst_reg += imm32 */

#define BPF_ALU64_IMM_OFF(OP, DST, IMM, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_ALU64 | BPF_OP(OP) | BPF_K,	\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = OFF,					\
		.imm   = IMM })
#define BPF_ALU64_IMM(OP, DST, IMM)				\
	BPF_ALU64_IMM_OFF(OP, DST, IMM, 0)

#define BPF_ALU32_IMM_OFF(OP, DST, IMM, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_ALU | BPF_OP(OP) | BPF_K,		\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = OFF,					\
		.imm   = IMM })
#define BPF_ALU32_IMM(OP, DST, IMM)				\
	BPF_ALU32_IMM_OFF(OP, DST, IMM, 0)

/* Endianess conversion, cpu_to_{l,b}e(), {l,b}e_to_cpu() */

#define BPF_ENDIAN(TYPE, DST, LEN)				\
	((struct bpf_insn) {					\
		.code  = BPF_ALU | BPF_END | BPF_SRC(TYPE),	\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = LEN })

/* Byte Swap, bswap16/32/64 */

#define BPF_BSWAP(DST, LEN)					\
	((struct bpf_insn) {					\
		.code  = BPF_ALU64 | BPF_END | BPF_SRC(BPF_TO_LE),	\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = LEN })

/* Short form of mov, dst_reg = src_reg */

#define BPF_MOV64_REG(DST, SRC)					\
	((struct bpf_insn) {					\
		.code  = BPF_ALU64 | BPF_MOV | BPF_X,		\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = 0,					\
		.imm   = 0 })

#define BPF_MOV32_REG(DST, SRC)					\
	((struct bpf_insn) {					\
		.code  = BPF_ALU | BPF_MOV | BPF_X,		\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = 0,					\
		.imm   = 0 })

/* Special (internal-only) form of mov, used to resolve per-CPU addrs:
 * dst_reg = src_reg + <percpu_base_off>
 * BPF_ADDR_PERCPU is used as a special insn->off value.
 */
#define BPF_ADDR_PERCPU	(-1)

#define BPF_MOV64_PERCPU_REG(DST, SRC)				\
	((struct bpf_insn) {					\
		.code  = BPF_ALU64 | BPF_MOV | BPF_X,		\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = BPF_ADDR_PERCPU,			\
		.imm   = 0 })

static inline bool insn_is_mov_percpu_addr(const struct bpf_insn *insn)
{
	return insn->code == (BPF_ALU64 | BPF_MOV | BPF_X) && insn->off == BPF_ADDR_PERCPU;
}

/* Short form of mov, dst_reg = imm32 */

#define BPF_MOV64_IMM(DST, IMM)					\
	((struct bpf_insn) {					\
		.code  = BPF_ALU64 | BPF_MOV | BPF_K,		\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = IMM })

#define BPF_MOV32_IMM(DST, IMM)					\
	((struct bpf_insn) {					\
		.code  = BPF_ALU | BPF_MOV | BPF_K,		\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = IMM })

/* Short form of movsx, dst_reg = (s8,s16,s32)src_reg */

#define BPF_MOVSX64_REG(DST, SRC, OFF)				\
	((struct bpf_insn) {					\
		.code  = BPF_ALU64 | BPF_MOV | BPF_X,		\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

#define BPF_MOVSX32_REG(DST, SRC, OFF)				\
	((struct bpf_insn) {					\
		.code  = BPF_ALU | BPF_MOV | BPF_X,		\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

/* Special form of mov32, used for doing explicit zero extension on dst. */
#define BPF_ZEXT_REG(DST)					\
	((struct bpf_insn) {					\
		.code  = BPF_ALU | BPF_MOV | BPF_X,		\
		.dst_reg = DST,					\
		.src_reg = DST,					\
		.off   = 0,					\
		.imm   = 1 })

static inline bool insn_is_zext(const struct bpf_insn *insn)
{
	return insn->code == (BPF_ALU | BPF_MOV | BPF_X) && insn->imm == 1;
}

/* addr_space_cast from as(0) to as(1) is for converting bpf arena pointers
 * to pointers in user vma.
 */
static inline bool insn_is_cast_user(const struct bpf_insn *insn)
{
	return insn->code == (BPF_ALU64 | BPF_MOV | BPF_X) &&
			      insn->off == BPF_ADDR_SPACE_CAST &&
			      insn->imm == 1U << 16;
}

/* BPF_LD_IMM64 macro encodes single 'load 64-bit immediate' insn */
#define BPF_LD_IMM64(DST, IMM)					\
	BPF_LD_IMM64_RAW(DST, 0, IMM)

#define BPF_LD_IMM64_RAW(DST, SRC, IMM)				\
	((struct bpf_insn) {					\
		.code  = BPF_LD | BPF_DW | BPF_IMM,		\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = 0,					\
		.imm   = (__u32) (IMM) }),			\
	((struct bpf_insn) {					\
		.code  = 0, /* zero is reserved opcode */	\
		.dst_reg = 0,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = ((__u64) (IMM)) >> 32 })

/* pseudo BPF_LD_IMM64 insn used to refer to process-local map_fd */
#define BPF_LD_MAP_FD(DST, MAP_FD)				\
	BPF_LD_IMM64_RAW(DST, BPF_PSEUDO_MAP_FD, MAP_FD)

/* Short form of mov based on type, BPF_X: dst_reg = src_reg, BPF_K: dst_reg = imm32 */

#define BPF_MOV64_RAW(TYPE, DST, SRC, IMM)			\
	((struct bpf_insn) {					\
		.code  = BPF_ALU64 | BPF_MOV | BPF_SRC(TYPE),	\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = 0,					\
		.imm   = IMM })

#define BPF_MOV32_RAW(TYPE, DST, SRC, IMM)			\
	((struct bpf_insn) {					\
		.code  = BPF_ALU | BPF_MOV | BPF_SRC(TYPE),	\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = 0,					\
		.imm   = IMM })

/* Direct packet access, R0 = *(uint *) (skb->data + imm32) */

#define BPF_LD_ABS(SIZE, IMM)					\
	((struct bpf_insn) {					\
		.code  = BPF_LD | BPF_SIZE(SIZE) | BPF_ABS,	\
		.dst_reg = 0,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = IMM })

/* Indirect packet access, R0 = *(uint *) (skb->data + src_reg + imm32) */

#define BPF_LD_IND(SIZE, SRC, IMM)				\
	((struct bpf_insn) {					\
		.code  = BPF_LD | BPF_SIZE(SIZE) | BPF_IND,	\
		.dst_reg = 0,					\
		.src_reg = SRC,					\
		.off   = 0,					\
		.imm   = IMM })

/* Memory load, dst_reg = *(uint *) (src_reg + off16) */

#define BPF_LDX_MEM(SIZE, DST, SRC, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_LDX | BPF_SIZE(SIZE) | BPF_MEM,	\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

/* Memory load, dst_reg = *(signed size *) (src_reg + off16) */

#define BPF_LDX_MEMSX(SIZE, DST, SRC, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_LDX | BPF_SIZE(SIZE) | BPF_MEMSX,	\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

/* Memory store, *(uint *) (dst_reg + off16) = src_reg */

#define BPF_STX_MEM(SIZE, DST, SRC, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_STX | BPF_SIZE(SIZE) | BPF_MEM,	\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

/*
 * Atomic operations:
 *
 *   BPF_ADD                  *(uint *) (dst_reg + off16) += src_reg
 *   BPF_AND                  *(uint *) (dst_reg + off16) &= src_reg
 *   BPF_OR                   *(uint *) (dst_reg + off16) |= src_reg
 *   BPF_XOR                  *(uint *) (dst_reg + off16) ^= src_reg
 *   BPF_ADD | BPF_FETCH      src_reg = atomic_fetch_add(dst_reg + off16, src_reg);
 *   BPF_AND | BPF_FETCH      src_reg = atomic_fetch_and(dst_reg + off16, src_reg);
 *   BPF_OR | BPF_FETCH       src_reg = atomic_fetch_or(dst_reg + off16, src_reg);
 *   BPF_XOR | BPF_FETCH      src_reg = atomic_fetch_xor(dst_reg + off16, src_reg);
 *   BPF_XCHG                 src_reg = atomic_xchg(dst_reg + off16, src_reg)
 *   BPF_CMPXCHG              r0 = atomic_cmpxchg(dst_reg + off16, r0, src_reg)
 */

#define BPF_ATOMIC_OP(SIZE, OP, DST, SRC, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_STX | BPF_SIZE(SIZE) | BPF_ATOMIC,	\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = OP })

/* Legacy alias */
#define BPF_STX_XADD(SIZE, DST, SRC, OFF) BPF_ATOMIC_OP(SIZE, BPF_ADD, DST, SRC, OFF)

/* Memory store, *(uint *) (dst_reg + off16) = imm32 */

#define BPF_ST_MEM(SIZE, DST, OFF, IMM)				\
	((struct bpf_insn) {					\
		.code  = BPF_ST | BPF_SIZE(SIZE) | BPF_MEM,	\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = OFF,					\
		.imm   = IMM })

/* Conditional jumps against registers, if (dst_reg 'op' src_reg) goto pc + off16 */

#define BPF_JMP_REG(OP, DST, SRC, OFF)				\
	((struct bpf_insn) {					\
		.code  = BPF_JMP | BPF_OP(OP) | BPF_X,		\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

/* Conditional jumps against immediates, if (dst_reg 'op' imm32) goto pc + off16 */

#define BPF_JMP_IMM(OP, DST, IMM, OFF)				\
	((struct bpf_insn) {					\
		.code  = BPF_JMP | BPF_OP(OP) | BPF_K,		\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = OFF,					\
		.imm   = IMM })

/* Like BPF_JMP_REG, but with 32-bit wide operands for comparison. */

#define BPF_JMP32_REG(OP, DST, SRC, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_JMP32 | BPF_OP(OP) | BPF_X,	\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = 0 })

/* Like BPF_JMP_IMM, but with 32-bit wide operands for comparison. */

#define BPF_JMP32_IMM(OP, DST, IMM, OFF)			\
	((struct bpf_insn) {					\
		.code  = BPF_JMP32 | BPF_OP(OP) | BPF_K,	\
		.dst_reg = DST,					\
		.src_reg = 0,					\
		.off   = OFF,					\
		.imm   = IMM })

/* Unconditional jumps, goto pc + off16 */

#define BPF_JMP_A(OFF)						\
	((struct bpf_insn) {					\
		.code  = BPF_JMP | BPF_JA,			\
		.dst_reg = 0,					\
		.src_reg = 0,					\
		.off   = OFF,					\
		.imm   = 0 })

/* Unconditional jumps, gotol pc + imm32 */

#define BPF_JMP32_A(IMM)					\
	((struct bpf_insn) {					\
		.code  = BPF_JMP32 | BPF_JA,			\
		.dst_reg = 0,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = IMM })

/* Relative call */

#define BPF_CALL_REL(TGT)					\
	((struct bpf_insn) {					\
		.code  = BPF_JMP | BPF_CALL,			\
		.dst_reg = 0,					\
		.src_reg = BPF_PSEUDO_CALL,			\
		.off   = 0,					\
		.imm   = TGT })

/* Convert function address to BPF immediate */

#define BPF_CALL_IMM(x)	((void *)(x) - (void *)__bpf_call_base)

#define BPF_EMIT_CALL(FUNC)					\
	((struct bpf_insn) {					\
		.code  = BPF_JMP | BPF_CALL,			\
		.dst_reg = 0,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = BPF_CALL_IMM(FUNC) })

/* Raw code statement block */

#define BPF_RAW_INSN(CODE, DST, SRC, OFF, IMM)			\
	((struct bpf_insn) {					\
		.code  = CODE,					\
		.dst_reg = DST,					\
		.src_reg = SRC,					\
		.off   = OFF,					\
		.imm   = IMM })

/* Program exit */

#define BPF_EXIT_INSN()						\
	((struct bpf_insn) {					\
		.code  = BPF_JMP | BPF_EXIT,			\
		.dst_reg = 0,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = 0 })

/* Speculation barrier */

#define BPF_ST_NOSPEC()						\
	((struct bpf_insn) {					\
		.code  = BPF_ST | BPF_NOSPEC,			\
		.dst_reg = 0,					\
		.src_reg = 0,					\
		.off   = 0,					\
		.imm   = 0 })

/* Internal classic blocks for direct assignment */

#define __BPF_STMT(CODE, K)					\
	((struct sock_filter) BPF_STMT(CODE, K))

#define __BPF_JUMP(CODE, K, JT, JF)				\
	((struct sock_filter) BPF_JUMP(CODE, K, JT, JF))

#define bytes_to_bpf_size(bytes)				\
({								\
	int bpf_size = -EINVAL;					\
								\
	if (bytes == sizeof(u8))				\
		bpf_size = BPF_B;				\
	else if (bytes == sizeof(u16))				\
		bpf_size = BPF_H;				\
	else if (bytes == sizeof(u32))				\
		bpf_size = BPF_W;				\
	else if (bytes == sizeof(u64))				\
		bpf_size = BPF_DW;				\
								\
	bpf_size;						\
})

#define bpf_size_to_bytes(bpf_size)				\
({								\
	int bytes = -EINVAL;					\
								\
	if (bpf_size == BPF_B)					\
		bytes = sizeof(u8);				\
	else if (bpf_size == BPF_H)				\
		bytes = sizeof(u16);				\
	else if (bpf_size == BPF_W)				\
		bytes = sizeof(u32);				\
	else if (bpf_size == BPF_DW)				\
		bytes = sizeof(u64);				\
								\
	bytes;							\
})

#define BPF_SIZEOF(type)					\
	({							\
		const int __size = bytes_to_bpf_size(sizeof(type)); \
		BUILD_BUG_ON(__size < 0);			\
		__size;						\
	})

#define BPF_FIELD_SIZEOF(type, field)				\
	({							\
		const int __size = bytes_to_bpf_size(sizeof_field(type, field)); \
		BUILD_BUG_ON(__size < 0);			\
		__size;						\
	})

#define BPF_LDST_BYTES(insn)					\
	({							\
		const int __size = bpf_size_to_bytes(BPF_SIZE((insn)->code)); \
		WARN_ON(__size < 0);				\
		__size;						\
	})

#define __BPF_MAP_0(m, v, ...) v
#define __BPF_MAP_1(m, v, t, a, ...) m(t, a)
#define __BPF_MAP_2(m, v, t, a, ...) m(t, a), __BPF_MAP_1(m, v, __VA_ARGS__)
#define __BPF_MAP_3(m, v, t, a, ...) m(t, a), __BPF_MAP_2(m, v, __VA_ARGS__)
#define __BPF_MAP_4(m, v, t, a, ...) m(t, a), __BPF_MAP_3(m, v, __VA_ARGS__)
#define __BPF_MAP_5(m, v, t, a, ...) m(t, a), __BPF_MAP_4(m, v, __VA_ARGS__)

#define __BPF_REG_0(...) __BPF_PAD(5)
#define __BPF_REG_1(...) __BPF_MAP(1, __VA_ARGS__), __BPF_PAD(4)
#define __BPF_REG_2(...) __BPF_MAP(2, __VA_ARGS__), __BPF_PAD(3)
#define __BPF_REG_3(...) __BPF_MAP(3, __VA_ARGS__), __BPF_PAD(2)
#define __BPF_REG_4(...) __BPF_MAP(4, __VA_ARGS__), __BPF_PAD(1)
#define __BPF_REG_5(...) __BPF_MAP(5, __VA_ARGS__)

#define __BPF_MAP(n, ...) __BPF_MAP_##n(__VA_ARGS__)
#define __BPF_REG(n, ...) __BPF_REG_##n(__VA_ARGS__)

#define __BPF_CAST(t, a)						       \
	(__force t)							       \
	(__force							       \
	 typeof(__builtin_choose_expr(sizeof(t) == sizeof(unsigned long),      \
				      (unsigned long)0, (t)0))) a
#define __BPF_V void
#define __BPF_N

#define __BPF_DECL_ARGS(t, a) t   a
#define __BPF_DECL_REGS(t, a) u64 a

#define __BPF_PAD(n)							       \
	__BPF_MAP(n, __BPF_DECL_ARGS, __BPF_N, u64, __ur_1, u64, __ur_2,       \
		  u64, __ur_3, u64, __ur_4, u64, __ur_5)

#define BPF_CALL_x(x, attr, name, ...)					       \
	static __always_inline						       \
	u64 ____##name(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__));   \
	typedef u64 (*btf_##name)(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__)); \
	attr u64 name(__BPF_REG(x, __BPF_DECL_REGS, __BPF_N, __VA_ARGS__));    \
	attr u64 name(__BPF_REG(x, __BPF_DECL_REGS, __BPF_N, __VA_ARGS__))     \
	{								       \
		return ((btf_##name)____##name)(__BPF_MAP(x,__BPF_CAST,__BPF_N,__VA_ARGS__));\
	}								       \
	static __always_inline						       \
	u64 ____##name(__BPF_MAP(x, __BPF_DECL_ARGS, __BPF_V, __VA_ARGS__))

#define __NOATTR
#define BPF_CALL_0(name, ...)	BPF_CALL_x(0, __NOATTR, name, __VA_ARGS__)
#define BPF_CALL_1(name, ...)	BPF_CALL_x(1, __NOATTR, name, __VA_ARGS__)
#define BPF_CALL_2(name, ...)	BPF_CALL_x(2, __NOATTR, name, __VA_ARGS__)
#define BPF_CALL_3(name, ...)	BPF_CALL_x(3, __NOATTR, name, __VA_ARGS__)
#define BPF_CALL_4(name, ...)	BPF_CALL_x(4, __NOATTR, name, __VA_ARGS__)
#define BPF_CALL_5(name, ...)	BPF_CALL_x(5, __NOATTR, name, __VA_ARGS__)

#define NOTRACE_BPF_CALL_1(name, ...)	BPF_CALL_x(1, notrace, name, __VA_ARGS__)

#define bpf_ctx_range(TYPE, MEMBER)						\
	offsetof(TYPE, MEMBER) ... offsetofend(TYPE, MEMBER) - 1
#define bpf_ctx_range_till(TYPE, MEMBER1, MEMBER2)				\
	offsetof(TYPE, MEMBER1) ... offsetofend(TYPE, MEMBER2) - 1
#if BITS_PER_LONG == 64
# define bpf_ctx_range_ptr(TYPE, MEMBER)					\
	offsetof(TYPE, MEMBER) ... offsetofend(TYPE, MEMBER) - 1
#else
# define bpf_ctx_range_ptr(TYPE, MEMBER)					\
	offsetof(TYPE, MEMBER) ... offsetof(TYPE, MEMBER) + 8 - 1
#endif /* BITS_PER_LONG == 64 */

#define bpf_target_off(TYPE, MEMBER, SIZE, PTR_SIZE)				\
	({									\
		BUILD_BUG_ON(sizeof_field(TYPE, MEMBER) != (SIZE));		\
		*(PTR_SIZE) = (SIZE);						\
		offsetof(TYPE, MEMBER);						\
	})

/* A struct sock_filter is architecture independent. */
struct compat_sock_fprog {
	u16		len;
	compat_uptr_t	filter;	/* struct sock_filter * */
};

struct sock_fprog_kern {
	u16			len;
	struct sock_filter	*filter;
};

/* Some arches need doubleword alignment for their instructions and/or data */
#define BPF_IMAGE_ALIGNMENT 8

struct bpf_binary_header {
	u32 size;
	u8 image[] __aligned(BPF_IMAGE_ALIGNMENT);
};

struct bpf_prog_stats {
	u64_stats_t cnt;
	u64_stats_t nsecs;
	u64_stats_t misses;
	struct u64_stats_sync syncp;
} __aligned(2 * sizeof(u64));

struct sk_filter {
	refcount_t	refcnt;
	struct rcu_head	rcu;
	struct bpf_prog	*prog;
};

DECLARE_STATIC_KEY_FALSE(bpf_stats_enabled_key);

extern struct mutex nf_conn_btf_access_lock;
extern int (*nfct_btf_struct_access)(struct bpf_verifier_log *log,
				     const struct bpf_reg_state *reg,
				     int off, int size);

typedef unsigned int (*bpf_dispatcher_fn)(const void *ctx,
					  const struct bpf_insn *insnsi,
					  unsigned int (*bpf_func)(const void *,
								   const struct bpf_insn *));

static __always_inline u32 __bpf_prog_run(const struct bpf_prog *prog,
					  const void *ctx,
					  bpf_dispatcher_fn dfunc)
{
	u32 ret;

cant_migrate();
	if (static_branch_unlikely(&bpf_stats_enabled_key)) {
		struct bpf_prog_stats *stats;
		u64 duration, start = sched_clock();
		unsigned long flags;

ret = dfunc(ctx, prog->insnsi, prog->bpf_func);

duration = sched_clock() - start;
		stats = this_cpu_ptr(prog->stats);
		flags = u64_stats_update_begin_irqsave(&stats->syncp);
		u64_stats_inc(&stats->cnt);
		u64_stats_add(&stats->nsecs, duration);
		u64_stats_update_end_irqrestore(&stats->syncp, flags);
	} else {
		ret = dfunc(ctx, prog->insnsi, prog->bpf_func);
	}
	return ret;
}

static __always_inline u32 bpf_prog_run(const struct bpf_prog *prog, const void *ctx)
{
	return __bpf_prog_run(prog, ctx, bpf_dispatcher_nop_func);
}

/*
 * Use in preemptible and therefore migratable context to make sure that
 * the execution of the BPF program runs on one CPU.
 *
 * This uses migrate_disable/enable() explicitly to document that the
 * invocation of a BPF program does not require reentrancy protection
 * against a BPF program which is invoked from a preempting task.
 */
static inline u32 bpf_prog_run_pin_on_cpu(const struct bpf_prog *prog,
					  const void *ctx)
{
	u32 ret;

migrate_disable();
	ret = bpf_prog_run(prog, ctx);
	migrate_enable();
	return ret;
}

#define BPF_SKB_CB_LEN QDISC_CB_PRIV_LEN

struct bpf_skb_data_end {
	struct qdisc_skb_cb qdisc_cb;
	void *data_meta;
	void *data_end;
};

struct bpf_nh_params {
	u32 nh_family;
	union {
		u32 ipv4_nh;
		struct in6_addr ipv6_nh;
	};
};

struct bpf_redirect_info {
	u64 tgt_index;
	void *tgt_value;
	struct bpf_map *map;
	u32 flags;
	u32 kern_flags;
	u32 map_id;
	enum bpf_map_type map_type;
	struct bpf_nh_params nh;
};

DECLARE_PER_CPU(struct bpf_redirect_info, bpf_redirect_info);

/* flags for bpf_redirect_info kern_flags */
#define BPF_RI_F_RF_NO_DIRECT	BIT(0)	/* no napi_direct on return_frame */

/* Compute the linear packet data range [data, data_end) which
 * will be accessed by various program types (cls_bpf, act_bpf,
 * lwt, ...). Subsystems allowing direct data access must (!)
 * ensure that cb[] area can be written to when BPF program is
 * invoked (otherwise cb[] save/restore is necessary).
 */
static inline void bpf_compute_data_pointers(struct sk_buff *skb)
{
	struct bpf_skb_data_end *cb = (struct bpf_skb_data_end *)skb->cb;

BUILD_BUG_ON(sizeof(*cb) > sizeof_field(struct sk_buff, cb));
	cb->data_meta = skb->data - skb_metadata_len(skb);
	cb->data_end  = skb->data + skb_headlen(skb);
}

/* Similar to bpf_compute_data_pointers(), except that save orginal
 * data in cb->data and cb->meta_data for restore.
 */
static inline void bpf_compute_and_save_data_end(
	struct sk_buff *skb, void **saved_data_end)
{
	struct bpf_skb_data_end *cb = (struct bpf_skb_data_end *)skb->cb;

*saved_data_end = cb->data_end;
	cb->data_end  = skb->data + skb_headlen(skb);
}

/* Restore data saved by bpf_compute_and_save_data_end(). */
static inline void bpf_restore_data_end(
	struct sk_buff *skb, void *saved_data_end)
{
	struct bpf_skb_data_end *cb = (struct bpf_skb_data_end *)skb->cb;

cb->data_end = saved_data_end;
}

static inline u8 *bpf_skb_cb(const struct sk_buff *skb)
{
	/* eBPF programs may read/write skb->cb[] area to transfer meta
	 * data between tail calls. Since this also needs to work with
	 * tc, that scratch memory is mapped to qdisc_skb_cb's data area.
	 *
	 * In some socket filter cases, the cb unfortunately needs to be
	 * saved/restored so that protocol specific skb->cb[] data won't
	 * be lost. In any case, due to unpriviledged eBPF programs
	 * attached to sockets, we need to clear the bpf_skb_cb() area
	 * to not leak previous contents to user space.
	 */
	BUILD_BUG_ON(sizeof_field(struct __sk_buff, cb) != BPF_SKB_CB_LEN);
	BUILD_BUG_ON(sizeof_field(struct __sk_buff, cb) !=
		     sizeof_field(struct qdisc_skb_cb, data));

return qdisc_skb_cb(skb)->data;
}

/* Must be invoked with migration disabled */
static inline u32 __bpf_prog_run_save_cb(const struct bpf_prog *prog,
					 const void *ctx)
{
	const struct sk_buff *skb = ctx;
	u8 *cb_data = bpf_skb_cb(skb);
	u8 cb_saved[BPF_SKB_CB_LEN];
	u32 res;

if (unlikely(prog->cb_access)) {
		memcpy(cb_saved, cb_data, sizeof(cb_saved));
		memset(cb_data, 0, sizeof(cb_saved));
	}

res = bpf_prog_run(prog, skb);

if (unlikely(prog->cb_access))
		memcpy(cb_data, cb_saved, sizeof(cb_saved));

return res;
}

static inline u32 bpf_prog_run_save_cb(const struct bpf_prog *prog,
				       struct sk_buff *skb)
{
	u32 res;

migrate_disable();
	res = __bpf_prog_run_save_cb(prog, skb);
	migrate_enable();
	return res;
}

static inline u32 bpf_prog_run_clear_cb(const struct bpf_prog *prog,
					struct sk_buff *skb)
{
	u8 *cb_data = bpf_skb_cb(skb);
	u32 res;

if (unlikely(prog->cb_access))
		memset(cb_data, 0, BPF_SKB_CB_LEN);

res = bpf_prog_run_pin_on_cpu(prog, skb);
	return res;
}

DECLARE_BPF_DISPATCHER(xdp)

DECLARE_STATIC_KEY_FALSE(bpf_master_redirect_enabled_key);

u32 xdp_master_redirect(struct xdp_buff *xdp);

static __always_inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog,
					    struct xdp_buff *xdp)
{
	/* Driver XDP hooks are invoked within a single NAPI poll cycle and thus
	 * under local_bh_disable(), which provides the needed RCU protection
	 * for accessing map entries.
	 */
	u32 act = __bpf_prog_run(prog, xdp, BPF_DISPATCHER_FUNC(xdp));

if (static_branch_unlikely(&bpf_master_redirect_enabled_key)) {
		if (act == XDP_TX && netif_is_bond_slave(xdp->rxq->dev))
			act = xdp_master_redirect(xdp);
	}

return act;
}

void bpf_prog_change_xdp(struct bpf_prog *prev_prog, struct bpf_prog *prog);

static inline u32 bpf_prog_insn_size(const struct bpf_prog *prog)
{
	return prog->len * sizeof(struct bpf_insn);
}

static inline u32 bpf_prog_tag_scratch_size(const struct bpf_prog *prog)
{
	return round_up(bpf_prog_insn_size(prog) +
			sizeof(__be64) + 1, SHA1_BLOCK_SIZE);
}

static inline unsigned int bpf_prog_size(unsigned int proglen)
{
	return max(sizeof(struct bpf_prog),
		   offsetof(struct bpf_prog, insns[proglen]));
}

static inline bool bpf_prog_was_classic(const struct bpf_prog *prog)
{
	/* When classic BPF programs have been loaded and the arch
	 * does not have a classic BPF JIT (anymore), they have been
	 * converted via bpf_migrate_filter() to eBPF and thus always
	 * have an unspec program type.
	 */
	return prog->type == BPF_PROG_TYPE_UNSPEC;
}

static inline u32 bpf_ctx_off_adjust_machine(u32 size)
{
	const u32 size_machine = sizeof(unsigned long);

if (size > size_machine && size % size_machine == 0)
		size = size_machine;

return size;
}

static inline bool
bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default)
{
	return size <= size_default && (size & (size - 1)) == 0;
}

static inline u8
bpf_ctx_narrow_access_offset(u32 off, u32 size, u32 size_default)
{
	u8 access_off = off & (size_default - 1);

#ifdef __LITTLE_ENDIAN
	return access_off;
#else
	return size_default - (access_off + size);
#endif
}

#define bpf_ctx_wide_access_ok(off, size, type, field)			\
	(size == sizeof(__u64) &&					\
	off >= offsetof(type, field) &&					\
	off + sizeof(__u64) <= offsetofend(type, field) &&		\
	off % sizeof(__u64) == 0)

#define bpf_classic_proglen(fprog) (fprog->len * sizeof(fprog->filter[0]))

static inline int __must_check bpf_prog_lock_ro(struct bpf_prog *fp)
{
#ifndef CONFIG_BPF_JIT_ALWAYS_ON
	if (!fp->jited) {
		set_vm_flush_reset_perms(fp);
		return set_memory_ro((unsigned long)fp, fp->pages);
	}
#endif
	return 0;
}

static inline int __must_check
bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
{
	set_vm_flush_reset_perms(hdr);
	return set_memory_rox((unsigned long)hdr, hdr->size >> PAGE_SHIFT);
}

int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap);
static inline int sk_filter(struct sock *sk, struct sk_buff *skb)
{
	return sk_filter_trim_cap(sk, skb, 1);
}

struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err);
void bpf_prog_free(struct bpf_prog *fp);

bool bpf_opcode_in_insntable(u8 code);

void bpf_prog_fill_jited_linfo(struct bpf_prog *prog,
			       const u32 *insn_to_jit_off);
int bpf_prog_alloc_jited_linfo(struct bpf_prog *prog);
void bpf_prog_jit_attempt_done(struct bpf_prog *prog);

struct bpf_prog *bpf_prog_alloc(unsigned int size, gfp_t gfp_extra_flags);
struct bpf_prog *bpf_prog_alloc_no_stats(unsigned int size, gfp_t gfp_extra_flags);
struct bpf_prog *bpf_prog_realloc(struct bpf_prog *fp_old, unsigned int size,
				  gfp_t gfp_extra_flags);
void __bpf_prog_free(struct bpf_prog *fp);

static inline void bpf_prog_unlock_free(struct bpf_prog *fp)
{
	__bpf_prog_free(fp);
}

typedef int (*bpf_aux_classic_check_t)(struct sock_filter *filter,
				       unsigned int flen);

int bpf_prog_create(struct bpf_prog **pfp, struct sock_fprog_kern *fprog);
int bpf_prog_create_from_user(struct bpf_prog **pfp, struct sock_fprog *fprog,
			      bpf_aux_classic_check_t trans, bool save_orig);
void bpf_prog_destroy(struct bpf_prog *fp);

int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
int sk_attach_bpf(u32 ufd, struct sock *sk);
int sk_reuseport_attach_filter(struct sock_fprog *fprog, struct sock *sk);
int sk_reuseport_attach_bpf(u32 ufd, struct sock *sk);
void sk_reuseport_prog_free(struct bpf_prog *prog);
int sk_detach_filter(struct sock *sk);
int sk_get_filter(struct sock *sk, sockptr_t optval, unsigned int len);

bool sk_filter_charge(struct sock *sk, struct sk_filter *fp);
void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp);

u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
#define __bpf_call_base_args \
	((u64 (*)(u64, u64, u64, u64, u64, const struct bpf_insn *)) \
	 (void *)__bpf_call_base)

struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog);
void bpf_jit_compile(struct bpf_prog *prog);
bool bpf_jit_needs_zext(void);
bool bpf_jit_inlines_helper_call(s32 imm);
bool bpf_jit_supports_subprog_tailcalls(void);
bool bpf_jit_supports_percpu_insn(void);
bool bpf_jit_supports_kfunc_call(void);
bool bpf_jit_supports_far_kfunc_call(void);
bool bpf_jit_supports_exceptions(void);
bool bpf_jit_supports_ptr_xchg(void);
bool bpf_jit_supports_arena(void);
bool bpf_jit_supports_insn(struct bpf_insn *insn, bool in_arena);
u64 bpf_arch_uaddress_limit(void);
void arch_bpf_stack_walk(bool (*consume_fn)(void *cookie, u64 ip, u64 sp, u64 bp), void *cookie);
bool bpf_helper_changes_pkt_data(void *func);

static inline bool bpf_dump_raw_ok(const struct cred *cred)
{
	/* Reconstruction of call-sites is dependent on kallsyms,
	 * thus make dump the same restriction.
	 */
	return kallsyms_show_value(cred);
}

struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
				       const struct bpf_insn *patch, u32 len);
int bpf_remove_insns(struct bpf_prog *prog, u32 off, u32 cnt);

void bpf_clear_redirect_map(struct bpf_map *map);

static inline bool xdp_return_frame_no_direct(void)
{
	struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info);

return ri->kern_flags & BPF_RI_F_RF_NO_DIRECT;
}

static inline void xdp_set_return_frame_no_direct(void)
{
	struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info);

ri->kern_flags |= BPF_RI_F_RF_NO_DIRECT;
}

static inline void xdp_clear_return_frame_no_direct(void)
{
	struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info);

ri->kern_flags &= ~BPF_RI_F_RF_NO_DIRECT;
}

static inline int xdp_ok_fwd_dev(const struct net_device *fwd,
				 unsigned int pktlen)
{
	unsigned int len;

if (unlikely(!(fwd->flags & IFF_UP)))
		return -ENETDOWN;

len = fwd->mtu + fwd->hard_header_len + VLAN_HLEN;
	if (pktlen > len)
		return -EMSGSIZE;

return 0;
}

/* The pair of xdp_do_redirect and xdp_do_flush MUST be called in the
 * same cpu context. Further for best results no more than a single map
 * for the do_redirect/do_flush pair should be used. This limitation is
 * because we only track one map and force a flush when the map changes.
 * This does not appear to be a real limitation for existing software.
 */
int xdp_do_generic_redirect(struct net_device *dev, struct sk_buff *skb,
			    struct xdp_buff *xdp, struct bpf_prog *prog);
int xdp_do_redirect(struct net_device *dev,
		    struct xdp_buff *xdp,
		    struct bpf_prog *prog);
int xdp_do_redirect_frame(struct net_device *dev,
			  struct xdp_buff *xdp,
			  struct xdp_frame *xdpf,
			  struct bpf_prog *prog);
void xdp_do_flush(void);

/* The xdp_do_flush_map() helper has been renamed to drop the _map suffix, as
 * it is no longer only flushing maps. Keep this define for compatibility
 * until all drivers are updated - do not use xdp_do_flush_map() in new code!
 */
#define xdp_do_flush_map xdp_do_flush

void bpf_warn_invalid_xdp_action(struct net_device *dev, struct bpf_prog *prog, u32 act);

#ifdef CONFIG_INET
struct sock *bpf_run_sk_reuseport(struct sock_reuseport *reuse, struct sock *sk,
				  struct bpf_prog *prog, struct sk_buff *skb,
				  struct sock *migrating_sk,
				  u32 hash);
#else
static inline struct sock *
bpf_run_sk_reuseport(struct sock_reuseport *reuse, struct sock *sk,
		     struct bpf_prog *prog, struct sk_buff *skb,
		     struct sock *migrating_sk,
		     u32 hash)
{
	return NULL;
}
#endif

#ifdef CONFIG_BPF_JIT
extern int bpf_jit_enable;
extern int bpf_jit_harden;
extern int bpf_jit_kallsyms;
extern long bpf_jit_limit;
extern long bpf_jit_limit_max;

typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size);

void bpf_jit_fill_hole_with_zero(void *area, unsigned int size);

struct bpf_binary_header *
bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
		     unsigned int alignment,
		     bpf_jit_fill_hole_t bpf_fill_ill_insns);
void bpf_jit_binary_free(struct bpf_binary_header *hdr);
u64 bpf_jit_alloc_exec_limit(void);
void *bpf_jit_alloc_exec(unsigned long size);
void bpf_jit_free_exec(void *addr);
void bpf_jit_free(struct bpf_prog *fp);
struct bpf_binary_header *
bpf_jit_binary_pack_hdr(const struct bpf_prog *fp);

void *bpf_prog_pack_alloc(u32 size, bpf_jit_fill_hole_t bpf_fill_ill_insns);
void bpf_prog_pack_free(void *ptr, u32 size);

static inline bool bpf_prog_kallsyms_verify_off(const struct bpf_prog *fp)
{
	return list_empty(&fp->aux->ksym.lnode) ||
	       fp->aux->ksym.lnode.prev == LIST_POISON2;
}

struct bpf_binary_header *
bpf_jit_binary_pack_alloc(unsigned int proglen, u8 **ro_image,
			  unsigned int alignment,
			  struct bpf_binary_header **rw_hdr,
			  u8 **rw_image,
			  bpf_jit_fill_hole_t bpf_fill_ill_insns);
int bpf_jit_binary_pack_finalize(struct bpf_binary_header *ro_header,
				 struct bpf_binary_header *rw_header);
void bpf_jit_binary_pack_free(struct bpf_binary_header *ro_header,
			      struct bpf_binary_header *rw_header);

int bpf_jit_add_poke_descriptor(struct bpf_prog *prog,
				struct bpf_jit_poke_descriptor *poke);

int bpf_jit_get_func_addr(const struct bpf_prog *prog,
			  const struct bpf_insn *insn, bool extra_pass,
			  u64 *func_addr, bool *func_addr_fixed);

struct bpf_prog *bpf_jit_blind_constants(struct bpf_prog *fp);
void bpf_jit_prog_release_other(struct bpf_prog *fp, struct bpf_prog *fp_other);

static inline void bpf_jit_dump(unsigned int flen, unsigned int proglen,
				u32 pass, void *image)
{
	pr_err("flen=%u proglen=%u pass=%u image=%pK from=%s pid=%d\n", flen,
	       proglen, pass, image, current->comm, task_pid_nr(current));

if (image)
		print_hex_dump(KERN_ERR, "JIT code: ", DUMP_PREFIX_OFFSET,
			       16, 1, image, proglen, false);
}

static inline bool bpf_jit_is_ebpf(void)
{
# ifdef CONFIG_HAVE_EBPF_JIT
	return true;
# else
	return false;
# endif
}

static inline bool ebpf_jit_enabled(void)
{
	return bpf_jit_enable && bpf_jit_is_ebpf();
}

static inline bool bpf_prog_ebpf_jited(const struct bpf_prog *fp)
{
	return fp->jited && bpf_jit_is_ebpf();
}

static inline bool bpf_jit_blinding_enabled(struct bpf_prog *prog)
{
	/* These are the prerequisites, should someone ever have the
	 * idea to call blinding outside of them, we make sure to
	 * bail out.
	 */
	if (!bpf_jit_is_ebpf())
		return false;
	if (!prog->jit_requested)
		return false;
	if (!bpf_jit_harden)
		return false;
	if (bpf_jit_harden == 1 && bpf_token_capable(prog->aux->token, CAP_BPF))
		return false;

return true;
}

static inline bool bpf_jit_kallsyms_enabled(void)
{
	/* There are a couple of corner cases where kallsyms should
	 * not be enabled f.e. on hardening.
	 */
	if (bpf_jit_harden)
		return false;
	if (!bpf_jit_kallsyms)
		return false;
	if (bpf_jit_kallsyms == 1)
		return true;

return false;
}

const char *__bpf_address_lookup(unsigned long addr, unsigned long *size,
				 unsigned long *off, char *sym);
bool is_bpf_text_address(unsigned long addr);
int bpf_get_kallsym(unsigned int symnum, unsigned long *value, char *type,
		    char *sym);
struct bpf_prog *bpf_prog_ksym_find(unsigned long addr);

static inline const char *
bpf_address_lookup(unsigned long addr, unsigned long *size,
		   unsigned long *off, char **modname, char *sym)
{
	const char *ret = __bpf_address_lookup(addr, size, off, sym);

if (ret && modname)
		*modname = NULL;
	return ret;
}

void bpf_prog_kallsyms_add(struct bpf_prog *fp);
void bpf_prog_kallsyms_del(struct bpf_prog *fp);

#else /* CONFIG_BPF_JIT */

static inline bool ebpf_jit_enabled(void)
{
	return false;
}

static inline bool bpf_jit_blinding_enabled(struct bpf_prog *prog)
{
	return false;
}

static inline bool bpf_prog_ebpf_jited(const struct bpf_prog *fp)
{
	return false;
}

static inline int
bpf_jit_add_poke_descriptor(struct bpf_prog *prog,
			    struct bpf_jit_poke_descriptor *poke)
{
	return -ENOTSUPP;
}

static inline void bpf_jit_free(struct bpf_prog *fp)
{
	bpf_prog_unlock_free(fp);
}

static inline bool bpf_jit_kallsyms_enabled(void)
{
	return false;
}

static inline const char *
__bpf_address_lookup(unsigned long addr, unsigned long *size,
		     unsigned long *off, char *sym)
{
	return NULL;
}

static inline bool is_bpf_text_address(unsigned long addr)
{
	return false;
}

static inline int bpf_get_kallsym(unsigned int symnum, unsigned long *value,
				  char *type, char *sym)
{
	return -ERANGE;
}

static inline struct bpf_prog *bpf_prog_ksym_find(unsigned long addr)
{
	return NULL;
}

static inline const char *
bpf_address_lookup(unsigned long addr, unsigned long *size,
		   unsigned long *off, char **modname, char *sym)
{
	return NULL;
}

static inline void bpf_prog_kallsyms_add(struct bpf_prog *fp)
{
}

static inline void bpf_prog_kallsyms_del(struct bpf_prog *fp)
{
}

#endif /* CONFIG_BPF_JIT */

void bpf_prog_kallsyms_del_all(struct bpf_prog *fp);

#define BPF_ANC		BIT(15)

static inline bool bpf_needs_clear_a(const struct sock_filter *first)
{
	switch (first->code) {
	case BPF_RET | BPF_K:
	case BPF_LD | BPF_W | BPF_LEN:
		return false;

default:
		return true;
	}
}

static inline u16 bpf_anc_helper(const struct sock_filter *ftest)
{
	BUG_ON(ftest->code & BPF_ANC);

switch (ftest->code) {
	case BPF_LD | BPF_W | BPF_ABS:
	case BPF_LD | BPF_H | BPF_ABS:
	case BPF_LD | BPF_B | BPF_ABS:
#define BPF_ANCILLARY(CODE)	case SKF_AD_OFF + SKF_AD_##CODE:	\
				return BPF_ANC | SKF_AD_##CODE
		switch (ftest->k) {
		BPF_ANCILLARY(PROTOCOL);
		BPF_ANCILLARY(PKTTYPE);
		BPF_ANCILLARY(IFINDEX);
		BPF_ANCILLARY(NLATTR);
		BPF_ANCILLARY(NLATTR_NEST);
		BPF_ANCILLARY(MARK);
		BPF_ANCILLARY(QUEUE);
		BPF_ANCILLARY(HATYPE);
		BPF_ANCILLARY(RXHASH);
		BPF_ANCILLARY(CPU);
		BPF_ANCILLARY(ALU_XOR_X);
		BPF_ANCILLARY(VLAN_TAG);
		BPF_ANCILLARY(VLAN_TAG_PRESENT);
		BPF_ANCILLARY(PAY_OFFSET);
		BPF_ANCILLARY(RANDOM);
		BPF_ANCILLARY(VLAN_TPID);
		}
		fallthrough;
	default:
		return ftest->code;
	}
}

void *bpf_internal_load_pointer_neg_helper(const struct sk_buff *skb,
					   int k, unsigned int size);

static inline int bpf_tell_extensions(void)
{
	return SKF_AD_MAX;
}

struct bpf_sock_addr_kern {
	struct sock *sk;
	struct sockaddr *uaddr;
	/* Temporary "register" to make indirect stores to nested structures
	 * defined above. We need three registers to make such a store, but
	 * only two (src and dst) are available at convert_ctx_access time
	 */
	u64 tmp_reg;
	void *t_ctx;	/* Attach type specific context. */
};

struct bpf_sock_ops_kern {
	struct	sock *sk;
	union {
		u32 args[4];
		u32 reply;
		u32 replylong[4];
	};
	struct sk_buff	*syn_skb;
	struct sk_buff	*skb;
	void	*skb_data_end;
	u8	op;
	u8	is_fullsock;
	u8	remaining_opt_len;
	u64	temp;			/* temp and everything after is not
					 * initialized to 0 before calling
					 * the BPF program. New fields that
					 * should be initialized to 0 should
					 * be inserted before temp.
					 * temp is scratch storage used by
					 * sock_ops_convert_ctx_access
					 * as temporary storage of a register.
					 */
};

struct bpf_sysctl_kern {
	struct ctl_table_header *head;
	const struct ctl_table *table;
	void *cur_val;
	size_t cur_len;
	void *new_val;
	size_t new_len;
	int new_updated;
	int write;
	loff_t *ppos;
	/* Temporary "register" for indirect stores to ppos. */
	u64 tmp_reg;
};

#define BPF_SOCKOPT_KERN_BUF_SIZE	32
struct bpf_sockopt_buf {
	u8		data[BPF_SOCKOPT_KERN_BUF_SIZE];
};

struct bpf_sockopt_kern {
	struct sock	*sk;
	u8		*optval;
	u8		*optval_end;
	s32		level;
	s32		optname;
	s32		optlen;
	/* for retval in struct bpf_cg_run_ctx */
	struct task_struct *current_task;
	/* Temporary "register" for indirect stores to ppos. */
	u64		tmp_reg;
};

int copy_bpf_fprog_from_user(struct sock_fprog *dst, sockptr_t src, int len);

struct bpf_sk_lookup_kern {
	u16		family;
	u16		protocol;
	__be16		sport;
	u16		dport;
	struct {
		__be32 saddr;
		__be32 daddr;
	} v4;
	struct {
		const struct in6_addr *saddr;
		const struct in6_addr *daddr;
	} v6;
	struct sock	*selected_sk;
	u32		ingress_ifindex;
	bool		no_reuseport;
};

extern struct static_key_false bpf_sk_lookup_enabled;

/* Runners for BPF_SK_LOOKUP programs to invoke on socket lookup.
 *
 * Allowed return values for a BPF SK_LOOKUP program are SK_PASS and
 * SK_DROP. Their meaning is as follows:
 *
 *  SK_PASS && ctx.selected_sk != NULL: use selected_sk as lookup result
 *  SK_PASS && ctx.selected_sk == NULL: continue to htable-based socket lookup
 *  SK_DROP                           : terminate lookup with -ECONNREFUSED
 *
 * This macro aggregates return values and selected sockets from
 * multiple BPF programs according to following rules in order:
 *
 *  1. If any program returned SK_PASS and a non-NULL ctx.selected_sk,
 *     macro result is SK_PASS and last ctx.selected_sk is used.
 *  2. If any program returned SK_DROP return value,
 *     macro result is SK_DROP.
 *  3. Otherwise result is SK_PASS and ctx.selected_sk is NULL.
 *
 * Caller must ensure that the prog array is non-NULL, and that the
 * array as well as the programs it contains remain valid.
 */
#define BPF_PROG_SK_LOOKUP_RUN_ARRAY(array, ctx, func)			\
	({								\
		struct bpf_sk_lookup_kern *_ctx = &(ctx);		\
		struct bpf_prog_array_item *_item;			\
		struct sock *_selected_sk = NULL;			\
		bool _no_reuseport = false;				\
		struct bpf_prog *_prog;					\
		bool _all_pass = true;					\
		u32 _ret;						\
									\
		migrate_disable();					\
		_item = &(array)->items[0];				\
		while ((_prog = READ_ONCE(_item->prog))) {		\
			/* restore most recent selection */		\
			_ctx->selected_sk = _selected_sk;		\
			_ctx->no_reuseport = _no_reuseport;		\
									\
			_ret = func(_prog, _ctx);			\
			if (_ret == SK_PASS && _ctx->selected_sk) {	\
				/* remember last non-NULL socket */	\
				_selected_sk = _ctx->selected_sk;	\
				_no_reuseport = _ctx->no_reuseport;	\
			} else if (_ret == SK_DROP && _all_pass) {	\
				_all_pass = false;			\
			}						\
			_item++;					\
		}							\
		_ctx->selected_sk = _selected_sk;			\
		_ctx->no_reuseport = _no_reuseport;			\
		migrate_enable();					\
		_all_pass || _selected_sk ? SK_PASS : SK_DROP;		\
	 })

static inline bool bpf_sk_lookup_run_v4(struct net *net, int protocol,
					const __be32 saddr, const __be16 sport,
					const __be32 daddr, const u16 dport,
					const int ifindex, struct sock **psk)
{
	struct bpf_prog_array *run_array;
	struct sock *selected_sk = NULL;
	bool no_reuseport = false;

rcu_read_lock();
	run_array = rcu_dereference(net->bpf.run_array[NETNS_BPF_SK_LOOKUP]);
	if (run_array) {
		struct bpf_sk_lookup_kern ctx = {
			.family		= AF_INET,
			.protocol	= protocol,
			.v4.saddr	= saddr,
			.v4.daddr	= daddr,
			.sport		= sport,
			.dport		= dport,
			.ingress_ifindex	= ifindex,
		};
		u32 act;

act = BPF_PROG_SK_LOOKUP_RUN_ARRAY(run_array, ctx, bpf_prog_run);
		if (act == SK_PASS) {
			selected_sk = ctx.selected_sk;
			no_reuseport = ctx.no_reuseport;
		} else {
			selected_sk = ERR_PTR(-ECONNREFUSED);
		}
	}
	rcu_read_unlock();
	*psk = selected_sk;
	return no_reuseport;
}

#if IS_ENABLED(CONFIG_IPV6)
static inline bool bpf_sk_lookup_run_v6(struct net *net, int protocol,
					const struct in6_addr *saddr,
					const __be16 sport,
					const struct in6_addr *daddr,
					const u16 dport,
					const int ifindex, struct sock **psk)
{
	struct bpf_prog_array *run_array;
	struct sock *selected_sk = NULL;
	bool no_reuseport = false;

rcu_read_lock();
	run_array = rcu_dereference(net->bpf.run_array[NETNS_BPF_SK_LOOKUP]);
	if (run_array) {
		struct bpf_sk_lookup_kern ctx = {
			.family		= AF_INET6,
			.protocol	= protocol,
			.v6.saddr	= saddr,
			.v6.daddr	= daddr,
			.sport		= sport,
			.dport		= dport,
			.ingress_ifindex	= ifindex,
		};
		u32 act;

static __always_inline long __bpf_xdp_redirect_map(struct bpf_map *map, u64 index,
						   u64 flags, const u64 flag_mask,
						   void *lookup_elem(struct bpf_map *map, u32 key))
{
	struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info);
	const u64 action_mask = XDP_ABORTED | XDP_DROP | XDP_PASS | XDP_TX;

/* Lower bits of the flags are used as return code on lookup failure */
	if (unlikely(flags & ~(action_mask | flag_mask)))
		return XDP_ABORTED;

ri->tgt_value = lookup_elem(map, index);
	if (unlikely(!ri->tgt_value) && !(flags & BPF_F_BROADCAST)) {
		/* If the lookup fails we want to clear out the state in the
		 * redirect_info struct completely, so that if an eBPF program
		 * performs multiple lookups, the last one always takes
		 * precedence.
		 */
		ri->map_id = INT_MAX; /* Valid map id idr range: [1,INT_MAX[ */
		ri->map_type = BPF_MAP_TYPE_UNSPEC;
		return flags & action_mask;
	}

ri->tgt_index = index;
	ri->map_id = map->id;
	ri->map_type = map->map_type;

if (flags & BPF_F_BROADCAST) {
		WRITE_ONCE(ri->map, map);
		ri->flags = flags;
	} else {
		WRITE_ONCE(ri->map, NULL);
		ri->flags = 0;
	}

return XDP_REDIRECT;
}

#ifdef CONFIG_NET
int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len);
int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from,
			  u32 len, u64 flags);
int __bpf_xdp_load_bytes(struct xdp_buff *xdp, u32 offset, void *buf, u32 len);
int __bpf_xdp_store_bytes(struct xdp_buff *xdp, u32 offset, void *buf, u32 len);
void *bpf_xdp_pointer(struct xdp_buff *xdp, u32 offset, u32 len);
void bpf_xdp_copy_buf(struct xdp_buff *xdp, unsigned long off,
		      void *buf, unsigned long len, bool flush);
#else /* CONFIG_NET */
static inline int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset,
				       void *to, u32 len)
{
	return -EOPNOTSUPP;
}

static inline int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset,
					const void *from, u32 len, u64 flags)
{
	return -EOPNOTSUPP;
}

static inline int __bpf_xdp_load_bytes(struct xdp_buff *xdp, u32 offset,
				       void *buf, u32 len)
{
	return -EOPNOTSUPP;
}

static inline int __bpf_xdp_store_bytes(struct xdp_buff *xdp, u32 offset,
					void *buf, u32 len)
{
	return -EOPNOTSUPP;
}

static inline void *bpf_xdp_pointer(struct xdp_buff *xdp, u32 offset, u32 len)
{
	return NULL;
}

static inline void bpf_xdp_copy_buf(struct xdp_buff *xdp, unsigned long off, void *buf,
				    unsigned long len, bool flush)
{
}
#endif /* CONFIG_NET */

#endif /* __LINUX_FILTER_H__ */

[+] ..
[-] node.h [edit]
[-] via.h [edit]
[-] ks0108.h [edit]
[-] vfio.h [edit]
[-] rbtree.h [edit]
[-] stacktrace.h [edit]
[-] list.h [edit]
[-] mroute.h [edit]
[-] psp.h [edit]
[-] evm.h [edit]
[-] interconnect.h [edit]
[-] context_tracking_irq.h [edit]
[-] phy_fixed.h [edit]
[-] typecheck.h [edit]
[-] rio_ids.h [edit]
[-] sem.h [edit]
[-] instrumented.h [edit]
[-] count_zeros.h [edit]
[-] fs.h [edit]
[-] keyctl.h [edit]
[-] rtc.h [edit]
[-] mmu_context.h [edit]
[+] dsa
[-] virtio_caif.h [edit]
[-] atalk.h [edit]
[-] rndis.h [edit]
[-] virtio_anchor.h [edit]
[-] posix_acl.h [edit]
[-] rhashtable-types.h [edit]
[-] swap.h [edit]
[-] purgatory.h [edit]
[-] rtsx_pci.h [edit]
[-] aio.h [edit]
[-] rv.h [edit]
[-] nvme-auth.h [edit]
[-] args.h [edit]
[-] license.h [edit]
[-] bpfilter.h [edit]
[-] tty_flip.h [edit]
[-] crash_reserve.h [edit]
[-] compiler_attributes.h [edit]
[-] omap-dma.h [edit]
[-] range.h [edit]
[-] dfl.h [edit]
[-] if_ltalk.h [edit]
[-] attribute_container.h [edit]
[-] gfp_types.h [edit]
[-] hashtable_api.h [edit]
[-] dynamic_debug.h [edit]
[-] a.out.h [edit]
[-] cpuset.h [edit]
[-] ftrace.h [edit]
[-] export-internal.h [edit]
[-] vmalloc.h [edit]
[-] nd.h [edit]
[-] gfp.h [edit]
[-] kdb.h [edit]
[-] namei.h [edit]
[-] lockref.h [edit]
[-] in6.h [edit]
[-] skbuff.h [edit]
[-] ti-emif-sram.h [edit]
[-] logic_iomem.h [edit]
[-] phy_led_triggers.h [edit]
[-] trace_events.h [edit]
[-] radix-tree.h [edit]
[-] mount.h [edit]
[-] font.h [edit]
[-] tc.h [edit]
[-] dirent.h [edit]
[-] io-64-nonatomic-lo-hi.h [edit]
[-] crc7.h [edit]
[-] pstore_ram.h [edit]
[-] stmp_device.h [edit]
[-] mm_api.h [edit]
[-] mdev.h [edit]
[-] percpu.h [edit]
[-] once.h [edit]
[-] mdio-gpio.h [edit]
[-] ktime.h [edit]
[-] ata_platform.h [edit]
[-] tnum.h [edit]
[-] verification.h [edit]
[-] regmap.h [edit]
[-] lsm_count.h [edit]
[-] eventpoll.h [edit]
[-] cgroup_subsys.h [edit]
[-] arm-smccc.h [edit]
[-] debugobjects.h [edit]
[-] leds-regulator.h [edit]
[-] printk.h [edit]
[-] i2c-algo-pcf.h [edit]
[-] signal_types.h [edit]
[-] page-flags.h [edit]
[-] rpmsg.h [edit]
[-] wait.h [edit]
[-] blk-integrity.h [edit]
[-] bug.h [edit]
[-] ppp_channel.h [edit]
[-] kstrtox.h [edit]
[-] prefetch.h [edit]
[-] adxl.h [edit]
[-] serial_8250.h [edit]
[-] mnt_idmapping.h [edit]
[-] kgdb.h [edit]
[-] hdlcdrv.h [edit]
[-] bcm47xx_wdt.h [edit]
[-] irqhandler.h [edit]
[-] fwnode.h [edit]
[-] mc6821.h [edit]
[-] fwnode_mdio.h [edit]
[-] buildid.h [edit]
[-] amd-pmf-io.h [edit]
[+] irqchip
[-] netdevice.h [edit]
[-] root_dev.h [edit]
[-] leds-lp3952.h [edit]
[-] f75375s.h [edit]
[-] nl802154.h [edit]
[-] if_vlan.h [edit]
[-] list_bl.h [edit]
[-] elfnote-lto.h [edit]
[-] mdio-mux.h [edit]
[-] dma-fence-chain.h [edit]
[-] workqueue.h [edit]
[-] delayacct.h [edit]
[-] spinlock_types.h [edit]
[-] smp_types.h [edit]
[-] interval_tree.h [edit]
[-] oom.h [edit]
[-] phy_link_topology.h [edit]
[-] sysfb.h [edit]
[-] crc32.h [edit]
[-] mbus.h [edit]
[-] indirect_call_wrapper.h [edit]
[-] netfilter_bridge.h [edit]
[-] percpu-refcount.h [edit]
[-] cookie.h [edit]
[-] flex_proportions.h [edit]
[-] sonet.h [edit]
[-] entry-kvm.h [edit]
[-] migrate.h [edit]
[-] leds-ti-lmu-common.h [edit]
[-] map_benchmark.h [edit]
[-] kthread.h [edit]
[-] t10-pi.h [edit]
[-] dlm_plock.h [edit]
[-] vdpa.h [edit]
[-] spmi.h [edit]
[-] joystick.h [edit]
[-] rodata_test.h [edit]
[-] i2c-dev.h [edit]
[-] irq.h [edit]
[-] dma-mapping.h [edit]
[-] inet_diag.h [edit]
[-] blk-crypto.h [edit]
[-] fileattr.h [edit]
[-] stmmac.h [edit]
[-] pci-epf.h [edit]
[-] seqlock_types.h [edit]
[-] entry-common.h [edit]
[-] hwmon-sysfs.h [edit]
[-] moxtet.h [edit]
[-] ppp-comp.h [edit]
[-] cordic.h [edit]
[-] eisa.h [edit]
[-] reset.h [edit]
[-] pcs-lynx.h [edit]
[+] netfilter
[-] mxm-wmi.h [edit]
[-] generic-radix-tree.h [edit]
[-] llist.h [edit]
[-] dma-buf.h [edit]
[-] bitfield.h [edit]
[-] vt_kern.h [edit]
[-] consolemap.h [edit]
[-] module_symbol.h [edit]
[-] jbd2.h [edit]
[-] bit_spinlock.h [edit]
[-] dasd_mod.h [edit]
[-] ipmi_smi.h [edit]
[-] seqno-fence.h [edit]
[-] rcupdate.h [edit]
[-] netpoll.h [edit]
[-] llist_api.h [edit]
[-] badblocks.h [edit]
[-] libps2.h [edit]
[-] visorbus.h [edit]
[-] swap_slots.h [edit]
[-] rtnetlink.h [edit]
[-] mm_inline.h [edit]
[-] trace.h [edit]
[-] xarray.h [edit]
[-] seq_file.h [edit]
[-] hugetlb_inline.h [edit]
[-] pid.h [edit]
[-] libfdt.h [edit]
[-] wait_api.h [edit]
[-] siox.h [edit]
[-] omap-mailbox.h [edit]
[-] uuid.h [edit]
[-] parman.h [edit]
[-] nfs_page.h [edit]
[-] util_macros.h [edit]
[-] psp-platform-access.h [edit]
[-] rcutree.h [edit]
[-] mailbox_controller.h [edit]
[-] cgroup_rdma.h [edit]
[-] static_call_types.h [edit]
[-] memfd.h [edit]
[-] lz4.h [edit]
[-] omapfb.h [edit]
[-] base64.h [edit]
[-] termios_internal.h [edit]
[-] led-class-multicolor.h [edit]
[-] hwspinlock.h [edit]
[-] cfi.h [edit]
[-] seq_file_net.h [edit]
[-] misc_cgroup.h [edit]
[-] string_helpers.h [edit]
[-] sxgbe_platform.h [edit]
[-] clockchips.h [edit]
[-] tty_buffer.h [edit]
[-] tca6416_keypad.h [edit]
[-] brcmphy.h [edit]
[-] scs.h [edit]
[-] sock_diag.h [edit]
[-] freezer.h [edit]
[-] netfilter.h [edit]
[-] zconf.h [edit]
[-] stackdepot.h [edit]
[-] build-salt.h [edit]
[-] seg6.h [edit]
[-] cm4000_cs.h [edit]
[-] gameport.h [edit]
[-] tpm_svsm.h [edit]
[-] hpet.h [edit]
[-] pata_arasan_cf_data.h [edit]
[-] restart_block.h [edit]
[-] nfs_fs.h [edit]
[-] of_fdt.h [edit]
[-] mem_encrypt.h [edit]
[-] dpll.h [edit]
[-] proc_fs.h [edit]
[-] ahci-remap.h [edit]
[-] topology.h [edit]
[-] ssbi.h [edit]
[-] randomize_kstack.h [edit]
[-] configfs.h [edit]
[-] iscsi_boot_sysfs.h [edit]
[-] netfs.h [edit]
[-] security.h [edit]
[-] bpf_lsm.h [edit]
[-] spinlock_rt.h [edit]
[+] soundwire
[-] acpi_viot.h [edit]
[-] cn_proc.h [edit]
[-] genl_magic_struct.h [edit]
[-] thermal.h [edit]
[-] scatterlist.h [edit]
[-] ahci_platform.h [edit]
[-] dma-resv.h [edit]
[-] spinlock_api_up.h [edit]
[-] backing-dev-defs.h [edit]
[-] hash.h [edit]
[-] pvclock_gtod.h [edit]
[-] kconfig.h [edit]
[+] mmc
[-] uidgid.h [edit]
[-] s3c_adc_battery.h [edit]
[-] cdrom.h [edit]
[-] parport_pc.h [edit]
[-] random.h [edit]
[-] fscache.h [edit]
[-] watch_queue.h [edit]
[-] tty_ldisc.h [edit]
[-] btree-128.h [edit]
[-] mm_types.h [edit]
[-] pwm_backlight.h [edit]
[-] usbdevice_fs.h [edit]
[-] libfdt_env.h [edit]
[-] firmware.h [edit]
[-] miscdevice.h [edit]
[-] kmsan_string.h [edit]
[-] threads.h [edit]
[-] mpi.h [edit]
[-] ip.h [edit]
[-] kbd_diacr.h [edit]
[+] regulator
[-] jz4740-adc.h [edit]
[-] bma150.h [edit]
[-] bio.h [edit]
[-] bpf_lirc.h [edit]
[-] nvme-fc-driver.h [edit]
[-] rmi.h [edit]
[-] ds2782_battery.h [edit]
[-] mhi_ep.h [edit]
[-] tick.h [edit]
[-] isa.h [edit]
[-] srcutiny.h [edit]
[-] cnt32_to_63.h [edit]
[-] extcon.h [edit]
[-] intel_vsec.h [edit]
[-] etherdevice.h [edit]
[-] apple_bl.h [edit]
[-] of_platform.h [edit]
[-] iommu-dma.h [edit]
[+] pse-pd
[-] dm-verity-loadpin.h [edit]
[-] nfs_fs_sb.h [edit]
[-] flat.h [edit]
[-] libnvdimm.h [edit]
[-] fsl_devices.h [edit]
[-] scc.h [edit]
[-] olpc-ec.h [edit]
[+] avf
[-] auto_dev-ioctl.h [edit]
[-] ioprio.h [edit]
[-] compiler-gcc.h [edit]
[-] sh_clk.h [edit]
[-] spinlock_api.h [edit]
[-] init_task.h [edit]
[-] sys.h [edit]
[-] virtio_dma_buf.h [edit]
[-] once_lite.h [edit]
[-] ascii85.h [edit]
[-] lockdep_api.h [edit]
[-] dns_resolver.h [edit]
[-] transport_class.h [edit]
[-] if_pppol2tp.h [edit]
[-] devfreq_cooling.h [edit]
[-] pm.h [edit]
[-] mroute6.h [edit]
[-] kernel.h [edit]
[-] module.h [edit]
[-] scpi_protocol.h [edit]
[-] io-64-nonatomic-hi-lo.h [edit]
[-] counter.h [edit]
[-] dtlk.h [edit]
[-] devm-helpers.h [edit]
[-] rwlock_rt.h [edit]
[-] ratelimit_types.h [edit]
[-] kmsg_dump.h [edit]
[-] memcontrol.h [edit]
[-] pstore.h [edit]
[+] mlx5
[-] scx200.h [edit]
[-] rational.h [edit]
[-] fwctl.h [edit]
[-] filter.h [edit]
[+] remoteproc
[-] l2tp.h [edit]
[-] rio_drv.h [edit]
[-] lis3lv02d.h [edit]
[-] aer.h [edit]
[-] string_choices.h [edit]
[-] ata.h [edit]
[-] stdarg.h [edit]
[-] phylib_stubs.h [edit]
[-] pgtable_api.h [edit]
[-] local_lock_internal.h [edit]
[-] gcd.h [edit]
[-] stringhash.h [edit]
[-] icmpv6.h [edit]
[-] bpf_trace.h [edit]
[-] arm_sdei.h [edit]
[-] nvme-tcp.h [edit]
[-] min_heap.h [edit]
[-] drbd_genl_api.h [edit]
[-] stmp3xxx_rtc_wdt.h [edit]
[-] pm_domain.h [edit]
[-] prime_numbers.h [edit]
[-] if_fddi.h [edit]
[-] ucb1400.h [edit]
[-] mnt_namespace.h [edit]
[-] if_macvlan.h [edit]
[-] posix-clock.h [edit]
[-] isapnp.h [edit]
[-] pm_opp.h [edit]
[-] memory.h [edit]
[-] if_link.h [edit]
[-] vt.h [edit]
[-] libgcc.h [edit]
[-] tifm.h [edit]
[-] rcu_node_tree.h [edit]
[-] mISDNif.h [edit]
[-] tracepoint-defs.h [edit]
[-] wm97xx.h [edit]
[-] nfsacl.h [edit]
[-] exportfs.h [edit]
[-] skb_array.h [edit]
[-] i2c-mux.h [edit]
[-] filelock.h [edit]
[-] errqueue.h [edit]
[-] of_graph.h [edit]
[-] of_mdio.h [edit]
[-] nospec.h [edit]
[-] tracefs.h [edit]
[-] jiffies.h [edit]
[-] dca.h [edit]
[-] i2c-algo-pca.h [edit]
[-] igmp.h [edit]
[-] edd.h [edit]
[+] decompress
[-] isa-dma.h [edit]
[-] wwan.h [edit]
[-] numa.h [edit]
[-] spinlock_api_smp.h [edit]
[-] 8250_pci.h [edit]
[-] ipv6_route.h [edit]
[-] dma-map-ops.h [edit]
[-] minmax.h [edit]
[-] if_tunnel.h [edit]
[-] devcoredump.h [edit]
[-] via-core.h [edit]
[-] bootmem_info.h [edit]
[+] device
[-] kmsan-checks.h [edit]
[-] user.h [edit]
[-] most.h [edit]
[-] sony-laptop.h [edit]
[+] fsl
[+] mdio
[-] ww_mutex.h [edit]
[-] workqueue_api.h [edit]
[-] seq_buf.h [edit]
[+] isdn
[-] io_uring.h [edit]
[-] kmod.h [edit]
[-] rculist.h [edit]
[-] regset.h [edit]
[-] logic_pio.h [edit]
[-] mman.h [edit]
[-] memblock.h [edit]
[-] if_tun.h [edit]
[+] extcon
[-] dmi.h [edit]
[-] union_find.h [edit]
[-] page_idle.h [edit]
[-] page_reporting.h [edit]
[-] openvswitch.h [edit]
[-] if_eql.h [edit]
[-] cgroup.h [edit]
[-] atm_tcp.h [edit]
[-] pci-doe.h [edit]
[-] nls.h [edit]
[-] led-lm3530.h [edit]
[-] iversion.h [edit]
[-] kmemleak.h [edit]
[-] rhashtable.h [edit]
[-] tsacct_kern.h [edit]
[-] coresight-stm.h [edit]
[-] smscphy.h [edit]
[-] smc911x.h [edit]
[-] watchdog.h [edit]
[-] kcov.h [edit]
[-] dm-region-hash.h [edit]
[-] sysrq.h [edit]
[-] wmi.h [edit]
[-] clk.h [edit]
[-] bitmap.h [edit]
[-] smp.h [edit]
[-] hashtable.h [edit]
[-] adreno-smmu-priv.h [edit]
[-] videodev2.h [edit]
[-] taskstats_kern.h [edit]
[-] errname.h [edit]
[-] array_size.h [edit]
[-] objtool_types.h [edit]
[-] if_team.h [edit]
[+] io_uring
[-] device-mapper.h [edit]
[-] blk_types.h [edit]
[-] async.h [edit]
[-] audit.h [edit]
[-] blk-mq.h [edit]
[-] damon.h [edit]
[+] power
[-] vmw_vmci_defs.h [edit]
[-] acpi_pmtmr.h [edit]
[-] pldmfw.h [edit]
[-] journal-head.h [edit]
[-] swapops.h [edit]
[-] ipmi.h [edit]
[-] kref_api.h [edit]
[-] netfilter_ipv6.h [edit]
[-] nfs3.h [edit]
[-] padata.h [edit]
[-] cred.h [edit]
[-] syscalls.h [edit]
[-] srcu.h [edit]
[-] ntb_transport.h [edit]
[-] apm_bios.h [edit]
[-] efi.h [edit]
[-] elf.h [edit]
[-] ntb.h [edit]
[-] lsm_hooks.h [edit]
[-] altera_uart.h [edit]
[-] uio.h [edit]
[-] nubus.h [edit]
[-] jhash.h [edit]
[-] iommufd.h [edit]
[-] align.h [edit]
[-] fsnotify_backend.h [edit]
[-] screen_info.h [edit]
[-] devfreq.h [edit]
[-] synclink.h [edit]
[-] vmpressure.h [edit]
[-] spinlock_types_raw.h [edit]
[-] rcutiny.h [edit]
[-] kexec.h [edit]
[-] netlink.h [edit]
[-] xxhash.h [edit]
[-] unroll.h [edit]
[-] scmi_protocol.h [edit]
[-] srcutree.h [edit]
[-] stm.h [edit]
[-] utsname.h [edit]
[-] ring_buffer.h [edit]
[-] pm_wakeup.h [edit]
[-] initrd.h [edit]
[-] dma-direct.h [edit]
[-] micrel_phy.h [edit]
[-] latencytop.h [edit]
[-] phonet.h [edit]
[-] mv643xx_i2c.h [edit]
[-] packing.h [edit]
[-] lcd.h [edit]
[-] tpm.h [edit]
[-] dm-io.h [edit]
[-] dqblk_v2.h [edit]
[-] local_lock.h [edit]
[-] of_reserved_mem.h [edit]
[-] host1x_context_bus.h [edit]
[-] sdb.h [edit]
[-] path.h [edit]
[-] async_tx.h [edit]
[-] rslib.h [edit]
[-] limits.h [edit]
[-] shdma-base.h [edit]
[-] cb710.h [edit]
[-] hardirq.h [edit]
[-] fsi-sbefifo.h [edit]
[-] group_cpus.h [edit]
[-] hid-over-i2c.h [edit]
[-] nodemask.h [edit]
[-] of_address.h [edit]
[-] posix_acl_xattr.h [edit]
[-] atomic.h [edit]
[-] find.h [edit]
[-] mpls_iptunnel.h [edit]
[+] platform_data
[-] compaction.h [edit]
[-] eeprom_93cx6.h [edit]
[-] zorro.h [edit]
[-] timb_dma.h [edit]
[-] interval_tree_generic.h [edit]
[-] pda_power.h [edit]
[-] kobject_api.h [edit]
[-] lru_cache.h [edit]
[-] libata.h [edit]
[-] earlycpio.h [edit]
[-] debug_locks.h [edit]
[-] maple.h [edit]
[-] cpuidle.h [edit]
[-] fs_types.h [edit]
[+] firmware
[-] ksm.h [edit]
[-] backlight.h [edit]
[-] pagevec.h [edit]
[-] goldfish.h [edit]
[-] mpls.h [edit]
[-] connector.h [edit]
[-] instrumentation.h [edit]
[-] zswap.h [edit]
[-] fs_context.h [edit]
[-] gpio_keys.h [edit]
[-] qnx6_fs.h [edit]
[-] sunxi-rsb.h [edit]
[-] msg.h [edit]
[-] intel_rapl.h [edit]
[-] surface_acpi_notify.h [edit]
[-] bpf_mprog.h [edit]
[-] eeprom_93xx46.h [edit]
[-] khugepaged.h [edit]
[-] cuda.h [edit]
[-] hmm.h [edit]
[-] hil_mlc.h [edit]
[-] pm-trace.h [edit]
[-] intel_tpmi.h [edit]
[-] preempt.h [edit]
[-] zlib.h [edit]
[-] dma-fence-unwrap.h [edit]
[-] container_of.h [edit]
[-] ns_common.h [edit]
[-] pl320-ipc.h [edit]
[-] pti.h [edit]
[-] eventfd.h [edit]
[-] pkeys.h [edit]
[-] leds.h [edit]
[-] fd.h [edit]
[-] irqflags.h [edit]
[-] nvram.h [edit]
[-] trace_clock.h [edit]
[-] tboot.h [edit]
[-] unicode.h [edit]
[-] irqdomain_defs.h [edit]
[-] sched_clock.h [edit]
[-] seccomp.h [edit]
[-] quotaops.h [edit]
[-] cfi_types.h [edit]
[-] firmware-map.h [edit]
[-] vermagic.h [edit]
[-] uaccess.h [edit]
[-] sm501-regs.h [edit]
[-] hid-roccat.h [edit]
[-] list_sort.h [edit]
[-] linear_range.h [edit]
[-] sram.h [edit]
[+] mux
[-] elfnote.h [edit]
[-] anon_inodes.h [edit]
[-] fs_api.h [edit]
[-] page_ref.h [edit]
[-] tracehook.h [edit]
[+] atomic
[-] rmap.h [edit]
[-] mpage.h [edit]
[-] if_ether.h [edit]
[-] instruction_pointer.h [edit]
[-] davinci_emac.h [edit]
[-] pci_ids.h [edit]
[-] ethtool_netlink.h [edit]
[-] virtio_pci_legacy.h [edit]
[-] cleanup.h [edit]
[-] mii_timestamper.h [edit]
[-] dim.h [edit]
[-] efs_vh.h [edit]
[-] bio-integrity.h [edit]
[-] parser.h [edit]
[-] refcount_api.h [edit]
[-] vga_switcheroo.h [edit]
[-] reset-controller.h [edit]
[-] average.h [edit]
[-] pm_wakeirq.h [edit]
[-] crc8.h [edit]
[-] trace_seq.h [edit]
[-] of_dma.h [edit]
[-] fixp-arith.h [edit]
[-] bpf_verifier.h [edit]
[-] ptr_ring.h [edit]
[-] cma.h [edit]
[-] drbd_genl.h [edit]
[-] nvme-rdma.h [edit]
[-] ftrace_irq.h [edit]
[-] sh_timer.h [edit]
[-] pmu.h [edit]
[-] writeback.h [edit]
[-] i2c.h [edit]
[-] bits.h [edit]
[-] inetdevice.h [edit]
[-] mmzone.h [edit]
[-] bcd.h [edit]
[-] zstd_lib.h [edit]
[-] blk-crypto-profile.h [edit]
[-] fsi.h [edit]
[-] uacce.h [edit]
[-] elf-fdpic.h [edit]
[-] fsi-occ.h [edit]
[+] surface_aggregator
[-] yam.h [edit]
[-] set_memory.h [edit]
[-] timekeeping.h [edit]
[-] prmt.h [edit]
[-] dev_printk.h [edit]
[-] extcon-provider.h [edit]
[-] selection.h [edit]
[-] smsc911x.h [edit]
[-] uts.h [edit]
[+] spi
[-] pxa168_eth.h [edit]
[-] aperture.h [edit]
[-] leds-lp3944.h [edit]
[-] serial_s3c.h [edit]
[-] mv643xx_eth.h [edit]
[-] ihex.h [edit]
[-] hugetlb.h [edit]
[-] toshiba.h [edit]
[-] lsm_audit.h [edit]
[-] virtio_byteorder.h [edit]
[-] console_struct.h [edit]
[-] if_bridge.h [edit]
[-] bitrev.h [edit]
[-] vm_event_item.h [edit]
[-] statfs.h [edit]
[-] clocksource.h [edit]
[-] parport.h [edit]
[-] fscrypt.h [edit]
[-] cpuidle_haltpoll.h [edit]
[-] textsearch_fsm.h [edit]
[-] fcntl.h [edit]
[-] build_bug.h [edit]
[-] icmp.h [edit]
[-] swiotlb.h [edit]
[-] cciss_ioctl.h [edit]
[-] smpboot.h [edit]
[-] page_owner.h [edit]
[-] leds-pca9532.h [edit]
[-] zstd.h [edit]
[-] ptrace.h [edit]
[-] dlm.h [edit]
[-] umh.h [edit]
[-] glob.h [edit]
[-] swapfile.h [edit]
[-] blkdev.h [edit]
[-] crc64.h [edit]
[-] buffer_head.h [edit]
[-] input.h [edit]
[-] sys_soc.h [edit]
[-] adb.h [edit]
[-] atmel-ssc.h [edit]
[-] efi-bgrt.h [edit]
[-] greybus.h [edit]
[-] lockdep.h [edit]
[-] syslog.h [edit]
[-] altera_jtaguart.h [edit]
[-] stackprotector.h [edit]
[-] err.h [edit]
[-] powercap.h [edit]
[-] virtio_console.h [edit]
[-] psci.h [edit]
[-] ctype.h [edit]
[-] pktcdvd.h [edit]
[-] usb.h [edit]
[-] cache.h [edit]
[-] stringify.h [edit]
[-] virtio_config.h [edit]
[-] bcm47xx_nvram.h [edit]
[-] socket.h [edit]
[-] adfs_fs.h [edit]
[-] stat.h [edit]
[-] hidraw.h [edit]
[-] mmdebug.h [edit]
[-] ethtool.h [edit]
[-] refcount.h [edit]
[-] console.h [edit]
[-] static_key.h [edit]
[-] sctp.h [edit]
[-] pnfs_osd_xdr.h [edit]
[-] irqnr.h [edit]
[-] slab.h [edit]
[-] fortify-string.h [edit]
[-] cfag12864b.h [edit]
[-] rwlock_types.h [edit]
[-] extable.h [edit]
[-] rcuwait_api.h [edit]
[-] interrupt.h [edit]
[-] irqbypass.h [edit]
[-] swap_cgroup.h [edit]
[-] irqchip.h [edit]
[-] kvm_para.h [edit]
[-] dm-dirty-log.h [edit]
[-] if_pppox.h [edit]
[-] iommu.h [edit]
[-] nvme.h [edit]
[-] lcm.h [edit]
[-] sprintf.h [edit]
[-] io-mapping.h [edit]
[-] uprobes.h [edit]
[-] module_signature.h [edit]
[-] component.h [edit]
[-] resource_ext.h [edit]
[-] rwlock.h [edit]
[-] clkdev.h [edit]
[-] serial_core.h [edit]
[-] gpio-pxa.h [edit]
[-] pr.h [edit]
[-] of_gpio.h [edit]
[-] pstore_blk.h [edit]
[-] pruss_driver.h [edit]
[-] soundcard.h [edit]
[-] coredump.h [edit]
[-] nvmem-provider.h [edit]
[-] asn1_encoder.h [edit]
[-] memregion.h [edit]
[-] zpool.h [edit]
[-] kfence.h [edit]
[-] int_log.h [edit]
[-] list_lru.h [edit]
[-] ecryptfs.h [edit]
[-] dqblk_qtree.h [edit]
[-] cpumask_api.h [edit]
[-] kmsan.h [edit]
[-] if_rmnet.h [edit]
[-] device.h [edit]
[-] digsig.h [edit]
[-] kernel-page-flags.h [edit]
[-] cacheflush.h [edit]
[-] acpi.h [edit]
[-] w1-gpio.h [edit]
[+] greybus
[-] auxiliary_bus.h [edit]
[-] userfaultfd_k.h [edit]
[-] sysctl.h [edit]
[-] bpf-cgroup.h [edit]
[-] gfp_api.h [edit]
[-] elfcore-compat.h [edit]
[-] pci-ats.h [edit]
[-] linkmode.h [edit]
[-] cpuhotplug.h [edit]
[-] bpf_mem_alloc.h [edit]
[-] page-flags-layout.h [edit]
[-] dynamic_queue_limits.h [edit]
[-] ptp_classify.h [edit]
[-] i8253.h [edit]
[-] lapb.h [edit]
[-] led-class-flash.h [edit]
[-] dma-fence-array.h [edit]
[-] htcpld.h [edit]
[-] switchtec.h [edit]
[-] psi_types.h [edit]
[-] sh_dma.h [edit]
[-] msi.h [edit]
[-] fsl-diu-fb.h [edit]
[-] rethook.h [edit]
[-] perf_regs.h [edit]
[+] amba
[-] xattr.h [edit]
[-] acpi_mdio.h [edit]
[-] kvm_dirty_ring.h [edit]
[-] kref.h [edit]
[-] kmsan_types.h [edit]
[-] auto_fs.h [edit]
[-] bcm47xx_sprom.h [edit]
[-] signalfd.h [edit]
[-] kobj_map.h [edit]
[-] sync_file.h [edit]
[-] notifier.h [edit]
[-] ks8851_mll.h [edit]
[-] delayed_call.h [edit]
[-] tee_core.h [edit]
[-] swait.h [edit]
[-] projid.h [edit]
[-] pwm.h [edit]
[-] cgroup-defs.h [edit]
[-] bottom_half.h [edit]
[-] key.h [edit]
[-] virtio_net.h [edit]
[-] iopoll.h [edit]
[-] bcm963xx_tag.h [edit]
[-] kernel_stat.h [edit]
[-] cpu_cooling.h [edit]
[-] syscalls_api.h [edit]
[-] mempolicy.h [edit]
[-] fprobe.h [edit]
[-] linkage.h [edit]
[-] win_minmax.h [edit]
[-] balloon_compaction.h [edit]
[-] const.h [edit]
[-] vgaarb.h [edit]
[-] rwlock_api_smp.h [edit]
[-] ism.h [edit]
[+] rpmsg
[-] mm.h [edit]
[-] objtool.h [edit]
[-] timex.h [edit]
[-] timecounter.h [edit]
[-] time_namespace.h [edit]
[-] nsproxy.h [edit]
[-] iova_bitmap.h [edit]
[-] polynomial.h [edit]
[-] sm501.h [edit]
[-] kbuild.h [edit]
[-] key-type.h [edit]
[-] timer.h [edit]
[-] iova.h [edit]
[-] seg6_local.h [edit]
[-] vtime.h [edit]
[-] rbtree_augmented.h [edit]
[-] panic.h [edit]
[-] llc.h [edit]
[-] cpu_rmap.h [edit]
[-] amd-iommu.h [edit]
[-] phy.h [edit]
[-] fs_enet_pd.h [edit]
[+] iio
[-] wl12xx.h [edit]
[-] alcor_pci.h [edit]
[-] stop_machine.h [edit]
[-] hp_sdc.h [edit]
[-] lwq.h [edit]
[-] bpf.h [edit]
[-] pim.h [edit]
[-] vt_buffer.h [edit]
[-] raid_class.h [edit]
[-] shmem_fs.h [edit]
[+] netfilter_bridge
[-] types.h [edit]
[-] of_net.h [edit]
[+] mtd
[-] bpf_types.h [edit]
[-] siphash.h [edit]
[-] inotify.h [edit]
[-] fips.h [edit]
[-] devpts_fs.h [edit]
[-] ucs2_string.h [edit]
[-] pci-p2pdma.h [edit]
[-] panic_notifier.h [edit]
[-] uio_driver.h [edit]
[-] crc-ccitt.h [edit]
[-] zsmalloc.h [edit]
[-] pe.h [edit]
[-] sed-opal.h [edit]
[-] shrinker.h [edit]
[-] c2port.h [edit]
[-] poll.h [edit]
[-] genl_magic_func.h [edit]
[-] ratelimit.h [edit]
[-] pps_kernel.h [edit]
[-] textsearch.h [edit]
[-] ieee802154.h [edit]
[-] reciprocal_div.h [edit]
[-] trace_recursion.h [edit]
[-] mISDNhw.h [edit]
[-] reboot.h [edit]
[-] ccp.h [edit]
[-] btree-type.h [edit]
[-] btrfs.h [edit]
[-] posix-timers.h [edit]
[-] fault-inject-usercopy.h [edit]
[-] kasan.h [edit]
[-] if_arp.h [edit]
[-] sort.h [edit]
[-] gpio.h [edit]
[-] fs_stack.h [edit]
[-] dm-kcopyd.h [edit]
[-] crash_dump.h [edit]
[-] start_kernel.h [edit]
[-] sonypi.h [edit]
[-] spinlock_types_up.h [edit]
[-] cdev.h [edit]
[-] w1.h [edit]
[-] slimbus.h [edit]
[-] pci-acpi.h [edit]
[-] percpu-defs.h [edit]
[-] workqueue_types.h [edit]
[-] assoc_array.h [edit]
[-] usb_usual.h [edit]
[-] linux_logo.h [edit]
[-] z2_battery.h [edit]
[-] math.h [edit]
[-] agp_backend.h [edit]
[-] kdev_t.h [edit]
[-] user-return-notifier.h [edit]
[-] slab_def.h [edit]
[-] quota.h [edit]
[-] of_irq.h [edit]
[-] dmaengine.h [edit]
[-] mdio.h [edit]
[+] sunrpc
[-] errno.h [edit]
[-] fec.h [edit]
[-] drbd_config.h [edit]
[-] kernel_read_file.h [edit]
[-] u64_stats_sync_api.h [edit]
[+] pinctrl
[-] kfifo.h [edit]
[-] capability.h [edit]
[-] bpf-cgroup-defs.h [edit]
[-] highmem.h [edit]
[-] mutex.h [edit]
[-] ipack.h [edit]
[-] timer_types.h [edit]
[-] rcu_segcblist.h [edit]
[-] seqlock.h [edit]
[-] bch.h [edit]
[-] hil.h [edit]
[-] ptp_clock_kernel.h [edit]
[-] arm_ffa.h [edit]
[+] mlx4
[-] hyperv.h [edit]
[-] kasan-checks.h [edit]
[-] plist.h [edit]
[-] pipe_fs_i.h [edit]
[-] firewire.h [edit]
[-] ima.h [edit]
[-] if_tap.h [edit]
[-] coresight.h [edit]
[-] sed-opal-key.h [edit]
[-] property.h [edit]
[-] net_tstamp.h [edit]
[+] soc
[-] nfs_ssc.h [edit]
[-] nvme-keyring.h [edit]
[-] hid.h [edit]
[-] netfilter_ipv4.h [edit]
[-] stddef.h [edit]
[-] hid-sensor-ids.h [edit]
[-] intel-ish-client-if.h [edit]
[-] kobject.h [edit]
[-] psi.h [edit]
[-] cpu_smt.h [edit]
[-] iosys-map.h [edit]
[-] ext2_fs.h [edit]
[-] acpi_dma.h [edit]
[-] btf_ids.h [edit]
[-] mvebu-pmsu.h [edit]
[-] dma-fence.h [edit]
[-] of_iommu.h [edit]
[-] kvm_types.h [edit]
[-] fb.h [edit]
[-] coresight-pmu.h [edit]
[-] svga.h [edit]
[-] mei_aux.h [edit]
[+] reset
[-] swait_api.h [edit]
[-] vme.h [edit]
[-] remoteproc.h [edit]
[-] pstore_zone.h [edit]
[-] cpu.h [edit]
[-] i8042.h [edit]
[-] vmw_vmci_api.h [edit]
[-] atmel_pdc.h [edit]
[-] platform_profile.h [edit]
[-] asn1_ber_bytecode.h [edit]
[-] nmi.h [edit]
[-] rcupdate_wait.h [edit]
[+] qat
[-] fw_table.h [edit]
[-] seg6_genl.h [edit]
[-] device_cgroup.h [edit]
[-] tty_port.h [edit]
[-] tcp.h [edit]
[-] irqdesc.h [edit]
[-] edac.h [edit]
[-] coda.h [edit]
[-] fsnotify.h [edit]
[-] pci.h [edit]
[-] seqlock_api.h [edit]
[-] timerqueue.h [edit]
[-] mmu_notifier.h [edit]
[-] msdos_fs.h [edit]
[+] qed
[-] virtio.h [edit]
[-] pmbus.h [edit]
[-] percpu_counter.h [edit]
[-] hid_bpf.h [edit]
[-] dmapool.h [edit]
[-] time64.h [edit]
[-] sbitmap.h [edit]
[-] fbcon.h [edit]
[-] pci-dma-compat.h [edit]
[-] iscsi_ibft.h [edit]
[-] pfn_t.h [edit]
[-] serial_bcm63xx.h [edit]
[-] context_tracking_state.h [edit]
[-] cpuhplock.h [edit]
[-] seg6_iptunnel.h [edit]
[-] xz.h [edit]
[-] fscache-cache.h [edit]
[-] apple-gmux.h [edit]
[-] efi_embedded_fw.h [edit]
[-] io-pgtable.h [edit]
[-] nfs_iostat.h [edit]
[-] timerfd.h [edit]
[-] hwmon-vid.h [edit]
[-] hid-sensor-hub.h [edit]
[-] zutil.h [edit]
[-] jump_label.h [edit]
[-] atm.h [edit]
[-] sync_core.h [edit]
[-] rculist_bl.h [edit]
[-] ipv6.h [edit]
[-] hrtimer.h [edit]
[-] syscall_user_dispatch.h [edit]
[-] sunserialcore.h [edit]
[+] clk
[-] blk-cgroup.h [edit]
[-] atmel-isc-media.h [edit]
[-] msdos_partition.h [edit]
[-] skmsg.h [edit]
[-] devfreq-event.h [edit]
[-] ti_wilink_st.h [edit]
[-] lockdep_types.h [edit]
[-] usermode_driver.h [edit]
[-] tpm_eventlog.h [edit]
[-] hdmi.h [edit]
[-] futex.h [edit]
[-] pfn.h [edit]
[-] ras.h [edit]
[-] crc16.h [edit]
[-] kernfs.h [edit]
[-] serial.h [edit]
[-] hippidevice.h [edit]
[-] lp.h [edit]
[-] ptp_mock.h [edit]
[-] bsg.h [edit]
[-] processor.h [edit]
[-] apm-emulation.h [edit]
[+] mailbox
[-] armada-37xx-rwtm-mailbox.h [edit]
[-] patchkey.h [edit]
[-] freelist.h [edit]
[-] serdev.h [edit]
[-] mmap_lock.h [edit]
[-] spinlock.h [edit]
[-] fault-inject.h [edit]
[-] msi_api.h [edit]
[-] sound.h [edit]
[-] vhost_iotlb.h [edit]
[-] proc_ns.h [edit]
[-] crc-itu-t.h [edit]
[-] delay.h [edit]
[-] shm.h [edit]
[+] mfd
[-] power_supply.h [edit]
[-] platform_device.h [edit]
[-] rtmutex.h [edit]
[-] ipc.h [edit]
[-] mv643xx.h [edit]
[-] maple_tree.h [edit]
[-] page_table_check.h [edit]
[-] cacheinfo.h [edit]
[-] rfkill.h [edit]
[-] rcuref.h [edit]
[-] cpufeature.h [edit]
[-] mmiotrace.h [edit]
[-] semaphore.h [edit]
[-] wkup_m3_ipc.h [edit]
[-] pagemap.h [edit]
[-] mailbox_client.h [edit]
[-] sw842.h [edit]
[-] sockptr.h [edit]
[-] dma-heap.h [edit]
[-] leds-bd2802.h [edit]
[-] intel_th.h [edit]
[-] auxvec.h [edit]
[-] imx-media.h [edit]
[-] thread_info.h [edit]
[-] serial_max3100.h [edit]
[-] mroute_base.h [edit]
[-] cgroup_api.h [edit]
[-] vfio_pci_core.h [edit]
[-] hte.h [edit]
[+] can
[-] i2c-smbus.h [edit]
[-] jump_label_ratelimit.h [edit]
[-] energy_model.h [edit]
[-] pm_runtime.h [edit]
[-] static_call.h [edit]
[-] genalloc.h [edit]
[-] fddidevice.h [edit]
[-] fsldma.h [edit]
[-] poison.h [edit]
[+] sched
[-] fs_struct.h [edit]
[-] hw_random.h [edit]
[-] getcpu.h [edit]
[-] hw_breakpoint.h [edit]
[-] zstd_errors.h [edit]
[-] fsverity.h [edit]
[-] dax.h [edit]
[-] in.h [edit]
[-] if_phonet.h [edit]
[-] livepatch.h [edit]
[-] keyboard.h [edit]
[-] drbd_limits.h [edit]
[-] virtio_ring.h [edit]
[-] nfs_fs_i.h [edit]
[-] crc32poly.h [edit]
[-] udp.h [edit]
[-] signal.h [edit]
[-] iocontext.h [edit]
[-] nitro_enclaves.h [edit]
[+] phy
[-] lantiq.h [edit]
[-] compiler.h [edit]
[+] ssb
[-] osq_lock.h [edit]
[-] hrtimer_defs.h [edit]
[-] pci-ep-cfs.h [edit]
[-] irqreturn.h [edit]
[-] blockgroup_lock.h [edit]
[-] wireless.h [edit]
[-] vfs.h [edit]
[-] init.h [edit]
[-] pci-tph.h [edit]
[-] dm-bufio.h [edit]
[-] irq_work.h [edit]
[-] i2c-algo-bit.h [edit]
[-] sungem_phy.h [edit]
[-] mISDNdsp.h [edit]
[-] hid-debug.h [edit]
[-] cs5535.h [edit]
[-] of.h [edit]
[-] dma-direction.h [edit]
[-] rculist_nulls.h [edit]
[+] i3c
[-] tegra-icc.h [edit]
[-] error-injection.h [edit]
[-] clocksource_ids.h [edit]
[+] pcs
[-] file.h [edit]
[-] overflow.h [edit]
[-] wait_bit.h [edit]
[+] rtc
[-] timb_gpio.h [edit]
[-] sh_intc.h [edit]
[-] sysv_fs.h [edit]
[-] task_io_accounting_ops.h [edit]
[-] kbd_kern.h [edit]
[-] netdev_features.h [edit]
[-] dtpm.h [edit]
[-] cper.h [edit]
[-] if_hsr.h [edit]
[-] rtsx_usb.h [edit]
[-] irqdomain.h [edit]
[-] string.h [edit]
[-] rwbase_rt.h [edit]
[-] percpu-rwsem.h [edit]
[-] context_tracking.h [edit]
[-] ioremap.h [edit]
[-] memory_hotplug.h [edit]
[-] pci-epc.h [edit]
[-] io_uring_types.h [edit]
[-] alarmtimer.h [edit]
[+] raid
[-] acct.h [edit]
[-] page_counter.h [edit]
[-] page_ext.h [edit]
[-] perf_event.h [edit]
[-] bsearch.h [edit]
[-] dqblk_v1.h [edit]
[-] pageblock-flags.h [edit]
[-] mii.h [edit]
[-] page-isolation.h [edit]
[-] kernelcapi.h [edit]
[-] elf-randomize.h [edit]
[-] resctrl.h [edit]
[-] fs_pin.h [edit]
[-] crc32c.h [edit]
[-] smc91x.h [edit]
[+] lockd
[-] thunderbolt.h [edit]
[-] kvm_irqfd.h [edit]
[-] hiddev.h [edit]
[-] pid_namespace.h [edit]
[-] kallsyms.h [edit]
[-] inet.h [edit]
[-] sfp.h [edit]
[-] tracepoint.h [edit]
[-] serio.h [edit]
[-] fs_parser.h [edit]
[-] completion.h [edit]
[-] moduleloader.h [edit]
[-] acpi_iort.h [edit]
[+] netfilter_ipv6
[-] dm9000.h [edit]
[-] vexpress.h [edit]
[-] task_io_accounting.h [edit]
[-] io.h [edit]
[-] phylink.h [edit]
[-] fsl_hypervisor.h [edit]
[-] swab.h [edit]
[-] hdlc.h [edit]
[-] resume_user_mode.h [edit]
[-] microchipphy.h [edit]
[-] iomap.h [edit]
[-] relay.h [edit]
[-] bitops.h [edit]
[-] of_clk.h [edit]
[-] securebits.h [edit]
[-] part_stat.h [edit]
[-] tee_drv.h [edit]
[-] dw_apb_timer.h [edit]
[-] asn1.h [edit]
[-] nvme-fc.h [edit]
[-] profile.h [edit]
[-] tfrc.h [edit]
[-] tty.h [edit]
[-] vmstat.h [edit]
[-] tpm_command.h [edit]
[-] objagg.h [edit]
[-] mutex_types.h [edit]
[-] interconnect-provider.h [edit]
[-] pm_qos.h [edit]
[-] pagewalk.h [edit]
[-] iommu-helper.h [edit]
[-] vlynq.h [edit]
[+] dma
[-] btf.h [edit]
[-] mcb.h [edit]
[-] rbtree_types.h [edit]
[-] pci_hotplug.h [edit]
[-] mhi.h [edit]
[-] kprobes.h [edit]
[-] of_pdt.h [edit]
[-] nfs.h [edit]
[-] hugetlb_cgroup.h [edit]
[+] fpga
[-] mutex_api.h [edit]
[-] sizes.h [edit]
[-] bootconfig.h [edit]
[+] unaligned
[-] pch_dma.h [edit]
[-] crypto.h [edit]
[-] rh_kabi.h [edit]
[-] fanotify.h [edit]
[-] units.h [edit]
[-] f2fs_fs.h [edit]
[-] dnotify.h [edit]
[-] rbtree_latch.h [edit]
[-] compat.h [edit]
[-] irq_poll.h [edit]
[-] klist.h [edit]
[-] lsm_hook_defs.h [edit]
[-] ramfs.h [edit]
[-] nfs4.h [edit]
[-] acpi_amd_wbrf.h [edit]
[-] blkpg.h [edit]
[-] audit_arch.h [edit]
[-] kasan-tags.h [edit]
[-] agpgart.h [edit]
[-] compiler-clang.h [edit]
[-] splice.h [edit]
[-] crash_core.h [edit]
[-] vmcore_info.h [edit]
[-] arch_topology.h [edit]
[-] mm_types_task.h [edit]
[-] compiler-version.h [edit]
[-] binfmts.h [edit]
[+] bcma
[-] timekeeper_internal.h [edit]
[-] syscore_ops.h [edit]
[-] kobject_ns.h [edit]
[-] drbd.h [edit]
[-] ioport.h [edit]
[-] idle_inject.h [edit]
[-] ks8842.h [edit]
[-] bsg-lib.h [edit]
[-] dcache.h [edit]
[-] rio.h [edit]
[-] net.h [edit]
[-] crc4.h [edit]
[-] pci-ecam.h [edit]
[-] rcupdate_trace.h [edit]
[-] dccp.h [edit]
[+] netfilter_arp
[-] memory-tiers.h [edit]
[+] input
[-] ts-nbus.h [edit]
[-] spinlock_up.h [edit]
[-] kvm_host.h [edit]
[-] omap-iommu.h [edit]
[-] vringh.h [edit]
[-] serial_sci.h [edit]
[-] pm_clock.h [edit]
[-] seg6_hmac.h [edit]
[-] netfilter_defs.h [edit]
[-] mbcache.h [edit]
[-] init_syscalls.h [edit]
[-] cxl_err.h [edit]
[-] u64_stats_sync.h [edit]
[-] memremap.h [edit]
[-] ptdump.h [edit]
[-] hid-over-spi.h [edit]
[-] jz4780-nemc.h [edit]
[-] time32.h [edit]
[-] mdio-bitbang.h [edit]
[-] psp-sev.h [edit]
[-] fdtable.h [edit]
[-] suspend.h [edit]
[-] ktime_api.h [edit]
[-] atmdev.h [edit]
[-] bcm963xx_nvram.h [edit]
[-] fiemap.h [edit]
[-] fsl_ifc.h [edit]
[-] asn1_decoder.h [edit]
[-] netfilter_netdev.h [edit]
[-] resource.h [edit]
[-] cpumask.h [edit]
[+] gpio
[-] hidden.h [edit]
[-] clk-provider.h [edit]
[-] elfcore.h [edit]
[-] bpfptr.h [edit]
[-] bpf_local_storage.h [edit]
[-] errseq.h [edit]
[+] perf
[-] ppp_defs.h [edit]
[-] marvell_phy.h [edit]
[-] psp-tee.h [edit]
[-] livepatch_sched.h [edit]
[-] rw_hint.h [edit]
[-] pnp.h [edit]
[-] kcore.h [edit]
[-] arm-cci.h [edit]
[-] rio_regs.h [edit]
[-] init_ohci1394_dma.h [edit]
[-] moduleparam.h [edit]
[-] backing-dev.h [edit]
[-] export.h [edit]
[-] highuid.h [edit]
[-] bpf-netns.h [edit]
[+] hsi
[-] fcdevice.h [edit]
[-] blktrace_api.h [edit]
[-] rcu_notifier.h [edit]
[-] hypervisor.h [edit]
[-] falloc.h [edit]
[+] net
[-] reboot-mode.h [edit]
[-] container.h [edit]
[-] dio.h [edit]
[-] kcsan-checks.h [edit]
[-] nvmem-consumer.h [edit]
[-] kdebug.h [edit]
[-] softirq.h [edit]
[-] personality.h [edit]
[-] nsc_gpio.h [edit]
[-] rtsx_common.h [edit]
[-] task_work.h [edit]
[-] sched.h [edit]
[-] litex.h [edit]
[-] secretmem.h [edit]
[-] nfs_xdr.h [edit]
[-] ptp_pch.h [edit]
[-] pgtable.h [edit]
[-] sysfs.h [edit]
[-] hrtimer_api.h [edit]
[-] pseudo_fs.h [edit]
[-] mempool.h [edit]
[-] via_i2c.h [edit]
[-] pxa2xx_ssp.h [edit]
[-] virtio_pci_modern.h [edit]
[-] log2.h [edit]
[-] highmem-internal.h [edit]
[-] host1x.h [edit]
[-] mc146818rtc.h [edit]
[-] dmar.h [edit]
[-] rcuwait.h [edit]
[-] assoc_array_priv.h [edit]
[-] vbox_utils.h [edit]
[-] scx200_gpio.h [edit]
[-] timeriomem-rng.h [edit]
[-] sh_eth.h [edit]
[-] counter_enum.h [edit]
[-] memstick.h [edit]
[-] torture.h [edit]
[-] math64.h [edit]
[-] blk-pm.h [edit]
[-] kasan-enabled.h [edit]
[-] intel_tcc.h [edit]
[-] oid_registry.h [edit]
[-] crc-t10dif.h [edit]
[-] ref_tracker.h [edit]
[-] rwsem.h [edit]
[-] bvec.h [edit]
[-] gnss.h [edit]
[-] ipc_namespace.h [edit]
[-] ndctl.h [edit]
[+] byteorder
[-] cgroup_refcnt.h [edit]
[-] compiler_types.h [edit]
[-] enclosure.h [edit]
[-] stackleak.h [edit]
[-] perf_event_api.h [edit]
[-] via-gpio.h [edit]
[+] ceph
[-] kern_levels.h [edit]
[-] cpufreq.h [edit]
[-] time.h [edit]
[-] superhyway.h [edit]
[+] crush
[-] debugfs.h [edit]
[-] scmi_imx_protocol.h [edit]
[-] of_pci.h [edit]
[-] hwmon.h [edit]
[-] virtio_vsock.h [edit]
[-] lzo.h [edit]
[-] of_device.h [edit]
[-] tty_driver.h [edit]
[-] circ_buf.h [edit]
[+] netfilter_ipv4
[-] ieee80211.h [edit]
[-] idr.h [edit]
[-] mod_devicetable.h [edit]
[-] tsm.h [edit]
[-] cc_platform.h [edit]
[-] integrity.h [edit]
[-] omap-gpmc.h [edit]
[-] mei_cl_bus.h [edit]
[-] ptp_kvm.h [edit]
[-] cpu_pm.h [edit]
[-] mtio.h [edit]
[-] irq_sim.h [edit]
[+] ulpi
[-] ptrace_api.h [edit]
[-] rcu_sync.h [edit]
[-] huge_mm.h [edit]
[-] user_namespace.h [edit]
[-] list_nulls.h [edit]
[-] kcsan.h [edit]
[-] prandom.h [edit]
[+] usb
[-] migrate_mode.h [edit]
[-] btree.h [edit]