[linux-2.6-block.git] / include / linux / filter.h

/*
 * Linux Socket Filter Data Structures
 */
#ifndef __LINUX_FILTER_H__
#define __LINUX_FILTER_H__

#include <linux/atomic.h>
#include <linux/compat.h>
#include <linux/workqueue.h>
#include <uapi/linux/filter.h>

/* Internally used and optimized filter representation with extended
 * instruction set based on top of classic BPF.
 */

/* instruction classes */
#define BPF_ALU64	0x07	/* alu mode in double word width */

/* ld/ldx fields */
#define BPF_DW		0x18	/* double word */
#define BPF_XADD	0xc0	/* exclusive add */

/* alu/jmp fields */
#define BPF_MOV		0xb0	/* mov reg to reg */
#define BPF_ARSH	0xc0	/* sign extending arithmetic shift right */

/* change endianness of a register */
#define BPF_END		0xd0	/* flags for endianness conversion: */
#define BPF_TO_LE	0x00	/* convert to little-endian */
#define BPF_TO_BE	0x08	/* convert to big-endian */
#define BPF_FROM_LE	BPF_TO_LE
#define BPF_FROM_BE	BPF_TO_BE

#define BPF_JNE		0x50	/* jump != */
#define BPF_JSGT	0x60	/* SGT is signed '>', GT in x86 */
#define BPF_JSGE	0x70	/* SGE is signed '>=', GE in x86 */
#define BPF_CALL	0x80	/* function call */
#define BPF_EXIT	0x90	/* function return */

/* Placeholder/dummy for 0 */
#define BPF_0		0

/* Register numbers */
enum {
	BPF_REG_0 = 0,
	BPF_REG_1,
	BPF_REG_2,
	BPF_REG_3,
	BPF_REG_4,
	BPF_REG_5,
	BPF_REG_6,
	BPF_REG_7,
	BPF_REG_8,
	BPF_REG_9,
	BPF_REG_10,
	__MAX_BPF_REG,
};

/* BPF has 10 general purpose 64-bit registers and stack frame. */
#define MAX_BPF_REG	__MAX_BPF_REG

/* 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_8

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

/* bpf_add|sub|...: a += x, bpf_mov: a = x */
#define BPF_ALU64_REG(op, a, x) \
	((struct sock_filter_int) {BPF_ALU64|BPF_OP(op)|BPF_X, a, x, 0, 0})
#define BPF_ALU32_REG(op, a, x) \
	((struct sock_filter_int) {BPF_ALU|BPF_OP(op)|BPF_X, a, x, 0, 0})

/* bpf_add|sub|...: a += imm, bpf_mov: a = imm */
#define BPF_ALU64_IMM(op, a, imm) \
	((struct sock_filter_int) {BPF_ALU64|BPF_OP(op)|BPF_K, a, 0, 0, imm})
#define BPF_ALU32_IMM(op, a, imm) \
	((struct sock_filter_int) {BPF_ALU|BPF_OP(op)|BPF_K, a, 0, 0, imm})

/* R0 = *(uint *) (skb->data + off) */
#define BPF_LD_ABS(size, off) \
	((struct sock_filter_int) {BPF_LD|BPF_SIZE(size)|BPF_ABS, 0, 0, 0, off})

/* R0 = *(uint *) (skb->data + x + off) */
#define BPF_LD_IND(size, x, off) \
	((struct sock_filter_int) {BPF_LD|BPF_SIZE(size)|BPF_IND, 0, x, 0, off})

/* a = *(uint *) (x + off) */
#define BPF_LDX_MEM(sz, a, x, off) \
	((struct sock_filter_int) {BPF_LDX|BPF_SIZE(sz)|BPF_MEM, a, x, off, 0})

/* if (a 'op' x) goto pc+off */
#define BPF_JMP_REG(op, a, x, off) \
	((struct sock_filter_int) {BPF_JMP|BPF_OP(op)|BPF_X, a, x, off, 0})

/* if (a 'op' imm) goto pc+off */
#define BPF_JMP_IMM(op, a, imm, off) \
	((struct sock_filter_int) {BPF_JMP|BPF_OP(op)|BPF_K, a, 0, off, imm})

#define BPF_EXIT_INSN() \
	((struct sock_filter_int) {BPF_JMP|BPF_EXIT, 0, 0, 0, 0})

static inline int size_to_bpf(int size)
{
	switch (size) {
	case 1:
		return BPF_B;
	case 2:
		return BPF_H;
	case 4:
		return BPF_W;
	case 8:
		return BPF_DW;
	default:
		return -EINVAL;
	}
}

/* Macro to invoke filter function. */
#define SK_RUN_FILTER(filter, ctx)  (*filter->bpf_func)(ctx, filter->insnsi)

struct sock_filter_int {
	__u8	code;		/* opcode */
	__u8	a_reg:4;	/* dest register */
	__u8	x_reg:4;	/* source register */
	__s16	off;		/* signed offset */
	__s32	imm;		/* signed immediate constant */
};

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

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

struct sk_buff;
struct sock;
struct seccomp_data;

struct sk_filter {
	atomic_t		refcnt;
	u32			jited:1,	/* Is our filter JIT'ed? */
				len:31;		/* Number of filter blocks */
	struct sock_fprog_kern	*orig_prog;	/* Original BPF program */
	struct rcu_head		rcu;
	unsigned int		(*bpf_func)(const struct sk_buff *skb,
					    const struct sock_filter_int *filter);
	union {
		struct sock_filter	insns[0];
		struct sock_filter_int	insnsi[0];
		struct work_struct	work;
	};
};

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

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

int sk_filter(struct sock *sk, struct sk_buff *skb);

u32 sk_run_filter_int_seccomp(const struct seccomp_data *ctx,
			      const struct sock_filter_int *insni);
u32 sk_run_filter_int_skb(const struct sk_buff *ctx,
			  const struct sock_filter_int *insni);

int sk_convert_filter(struct sock_filter *prog, int len,
		      struct sock_filter_int *new_prog, int *new_len);

int sk_unattached_filter_create(struct sk_filter **pfp,
				struct sock_fprog *fprog);
void sk_unattached_filter_destroy(struct sk_filter *fp);

int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
int sk_detach_filter(struct sock *sk);

int sk_chk_filter(struct sock_filter *filter, unsigned int flen);
int sk_get_filter(struct sock *sk, struct sock_filter __user *filter,
		  unsigned int len);
void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to);

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

#ifdef CONFIG_BPF_JIT
#include <stdarg.h>
#include <linux/linkage.h>
#include <linux/printk.h>

void bpf_jit_compile(struct sk_filter *fp);
void bpf_jit_free(struct sk_filter *fp);

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\n",
	       flen, proglen, pass, image);
	if (image)
		print_hex_dump(KERN_ERR, "JIT code: ", DUMP_PREFIX_OFFSET,
			       16, 1, image, proglen, false);
}
#else
#include <linux/slab.h>
static inline void bpf_jit_compile(struct sk_filter *fp)
{
}
static inline void bpf_jit_free(struct sk_filter *fp)
{
	kfree(fp);
}
#endif

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

enum {
	BPF_S_RET_K = 1,
	BPF_S_RET_A,
	BPF_S_ALU_ADD_K,
	BPF_S_ALU_ADD_X,
	BPF_S_ALU_SUB_K,
	BPF_S_ALU_SUB_X,
	BPF_S_ALU_MUL_K,
	BPF_S_ALU_MUL_X,
	BPF_S_ALU_DIV_X,
	BPF_S_ALU_MOD_K,
	BPF_S_ALU_MOD_X,
	BPF_S_ALU_AND_K,
	BPF_S_ALU_AND_X,
	BPF_S_ALU_OR_K,
	BPF_S_ALU_OR_X,
	BPF_S_ALU_XOR_K,
	BPF_S_ALU_XOR_X,
	BPF_S_ALU_LSH_K,
	BPF_S_ALU_LSH_X,
	BPF_S_ALU_RSH_K,
	BPF_S_ALU_RSH_X,
	BPF_S_ALU_NEG,
	BPF_S_LD_W_ABS,
	BPF_S_LD_H_ABS,
	BPF_S_LD_B_ABS,
	BPF_S_LD_W_LEN,
	BPF_S_LD_W_IND,
	BPF_S_LD_H_IND,
	BPF_S_LD_B_IND,
	BPF_S_LD_IMM,
	BPF_S_LDX_W_LEN,
	BPF_S_LDX_B_MSH,
	BPF_S_LDX_IMM,
	BPF_S_MISC_TAX,
	BPF_S_MISC_TXA,
	BPF_S_ALU_DIV_K,
	BPF_S_LD_MEM,
	BPF_S_LDX_MEM,
	BPF_S_ST,
	BPF_S_STX,
	BPF_S_JMP_JA,
	BPF_S_JMP_JEQ_K,
	BPF_S_JMP_JEQ_X,
	BPF_S_JMP_JGE_K,
	BPF_S_JMP_JGE_X,
	BPF_S_JMP_JGT_K,
	BPF_S_JMP_JGT_X,
	BPF_S_JMP_JSET_K,
	BPF_S_JMP_JSET_X,
	/* Ancillary data */
	BPF_S_ANC_PROTOCOL,
	BPF_S_ANC_PKTTYPE,
	BPF_S_ANC_IFINDEX,
	BPF_S_ANC_NLATTR,
	BPF_S_ANC_NLATTR_NEST,
	BPF_S_ANC_MARK,
	BPF_S_ANC_QUEUE,
	BPF_S_ANC_HATYPE,
	BPF_S_ANC_RXHASH,
	BPF_S_ANC_CPU,
	BPF_S_ANC_ALU_XOR_X,
	BPF_S_ANC_VLAN_TAG,
	BPF_S_ANC_VLAN_TAG_PRESENT,
	BPF_S_ANC_PAY_OFFSET,
	BPF_S_ANC_RANDOM,
};

#endif /* __LINUX_FILTER_H__ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Linux Socket Filter Data Structures
	3	*/
1da177e4 LT	4	#ifndef __LINUX_FILTER_H__
	5	#define __LINUX_FILTER_H__
	6
60063497	7	#include <linux/atomic.h>
0c5fe1b4	8	#include <linux/compat.h>
d45ed4a4	9	#include <linux/workqueue.h>
607ca46e	10	#include <uapi/linux/filter.h>
792d4b5c	11
bd4cf0ed AS	12	/* Internally used and optimized filter representation with extended
bd4cf0ed AS	13	* instruction set based on top of classic BPF.
0c5fe1b4	14	*/
bd4cf0ed AS	15
	16	/* instruction classes */
	17	#define BPF_ALU64 0x07 /* alu mode in double word width */
	18
	19	/* ld/ldx fields */
	20	#define BPF_DW 0x18 /* double word */
	21	#define BPF_XADD 0xc0 /* exclusive add */
	22
	23	/* alu/jmp fields */
	24	#define BPF_MOV 0xb0 /* mov reg to reg */
	25	#define BPF_ARSH 0xc0 /* sign extending arithmetic shift right */
	26
	27	/* change endianness of a register */
	28	#define BPF_END 0xd0 /* flags for endianness conversion: */
	29	#define BPF_TO_LE 0x00 /* convert to little-endian */
	30	#define BPF_TO_BE 0x08 /* convert to big-endian */
	31	#define BPF_FROM_LE BPF_TO_LE
	32	#define BPF_FROM_BE BPF_TO_BE
	33
	34	#define BPF_JNE 0x50 /* jump != */
	35	#define BPF_JSGT 0x60 /* SGT is signed '>', GT in x86 */
	36	#define BPF_JSGE 0x70 /* SGE is signed '>=', GE in x86 */
	37	#define BPF_CALL 0x80 /* function call */
	38	#define BPF_EXIT 0x90 /* function return */
	39
5bcfedf0 DB	40	/* Placeholder/dummy for 0 */
	41	#define BPF_0 0
	42
30743837 DB	43	/* Register numbers */
	44	enum {
	45	BPF_REG_0 = 0,
	46	BPF_REG_1,
	47	BPF_REG_2,
	48	BPF_REG_3,
	49	BPF_REG_4,
	50	BPF_REG_5,
	51	BPF_REG_6,
	52	BPF_REG_7,
	53	BPF_REG_8,
	54	BPF_REG_9,
	55	BPF_REG_10,
	56	__MAX_BPF_REG,
	57	};
	58
bd4cf0ed	59	/* BPF has 10 general purpose 64-bit registers and stack frame. */
30743837 DB	60	#define MAX_BPF_REG __MAX_BPF_REG
	61
	62	/* ArgX, context and stack frame pointer register positions. Note,
	63	* Arg1, Arg2, Arg3, etc are used as argument mappings of function
	64	* calls in BPF_CALL instruction.
	65	*/
	66	#define BPF_REG_ARG1 BPF_REG_1
	67	#define BPF_REG_ARG2 BPF_REG_2
	68	#define BPF_REG_ARG3 BPF_REG_3
	69	#define BPF_REG_ARG4 BPF_REG_4
	70	#define BPF_REG_ARG5 BPF_REG_5
	71	#define BPF_REG_CTX BPF_REG_6
	72	#define BPF_REG_FP BPF_REG_10
	73
	74	/* Additional register mappings for converted user programs. */
	75	#define BPF_REG_A BPF_REG_0
	76	#define BPF_REG_X BPF_REG_7
	77	#define BPF_REG_TMP BPF_REG_8
bd4cf0ed AS	78
	79	/* BPF program can access up to 512 bytes of stack space. */
	80	#define MAX_BPF_STACK 512
	81
9739eef1 AS	82	/* bpf_add\|sub\|...: a += x, bpf_mov: a = x */
	83	#define BPF_ALU64_REG(op, a, x) \
	84	((struct sock_filter_int) {BPF_ALU64\|BPF_OP(op)\|BPF_X, a, x, 0, 0})
	85	#define BPF_ALU32_REG(op, a, x) \
	86	((struct sock_filter_int) {BPF_ALU\|BPF_OP(op)\|BPF_X, a, x, 0, 0})
	87
	88	/* bpf_add\|sub\|...: a += imm, bpf_mov: a = imm */
	89	#define BPF_ALU64_IMM(op, a, imm) \
	90	((struct sock_filter_int) {BPF_ALU64\|BPF_OP(op)\|BPF_K, a, 0, 0, imm})
	91	#define BPF_ALU32_IMM(op, a, imm) \
	92	((struct sock_filter_int) {BPF_ALU\|BPF_OP(op)\|BPF_K, a, 0, 0, imm})
	93
	94	/* R0 = (uint ) (skb->data + off) */
	95	#define BPF_LD_ABS(size, off) \
	96	((struct sock_filter_int) {BPF_LD\|BPF_SIZE(size)\|BPF_ABS, 0, 0, 0, off})
	97
	98	/* R0 = (uint ) (skb->data + x + off) */
	99	#define BPF_LD_IND(size, x, off) \
	100	((struct sock_filter_int) {BPF_LD\|BPF_SIZE(size)\|BPF_IND, 0, x, 0, off})
	101
	102	/* a = (uint ) (x + off) */
	103	#define BPF_LDX_MEM(sz, a, x, off) \
	104	((struct sock_filter_int) {BPF_LDX\|BPF_SIZE(sz)\|BPF_MEM, a, x, off, 0})
	105
	106	/* if (a 'op' x) goto pc+off */
	107	#define BPF_JMP_REG(op, a, x, off) \
	108	((struct sock_filter_int) {BPF_JMP\|BPF_OP(op)\|BPF_X, a, x, off, 0})
	109
	110	/* if (a 'op' imm) goto pc+off */
	111	#define BPF_JMP_IMM(op, a, imm, off) \
	112	((struct sock_filter_int) {BPF_JMP\|BPF_OP(op)\|BPF_K, a, 0, off, imm})
	113
	114	#define BPF_EXIT_INSN() \
	115	((struct sock_filter_int) {BPF_JMP\|BPF_EXIT, 0, 0, 0, 0})
	116
	117	static inline int size_to_bpf(int size)
	118	{
	119	switch (size) {
	120	case 1:
	121	return BPF_B;
	122	case 2:
	123	return BPF_H;
	124	case 4:
	125	return BPF_W;
	126	case 8:
	127	return BPF_DW;
	128	default:
	129	return -EINVAL;
	130	}
	131	}
	132
30743837 DB	133	/* Macro to invoke filter function. */
30743837 DB	134	#define SK_RUN_FILTER(filter, ctx) (*filter->bpf_func)(ctx, filter->insnsi)
bd4cf0ed AS	135
	136	struct sock_filter_int {
	137	__u8 code; /* opcode */
	138	__u8 a_reg:4; /* dest register */
	139	__u8 x_reg:4; /* source register */
	140	__s16 off; /* signed offset */
	141	__s32 imm; /* signed immediate constant */
	142	};
	143
	144	#ifdef CONFIG_COMPAT
	145	/* A struct sock_filter is architecture independent. */
0c5fe1b4 WD	146	struct compat_sock_fprog {
0c5fe1b4 WD	147	u16 len;
bd4cf0ed	148	compat_uptr_t filter; /* struct sock_filter * */
0c5fe1b4 WD	149	};
	150	#endif
	151
a3ea269b DB	152	struct sock_fprog_kern {
	153	u16 len;
	154	struct sock_filter *filter;
	155	};
	156
792d4b5c HC	157	struct sk_buff;
792d4b5c HC	158	struct sock;
bd4cf0ed	159	struct seccomp_data;
792d4b5c	160
a3ea269b	161	struct sk_filter {
b715631f	162	atomic_t refcnt;
f8bbbfc3 DB	163	u32 jited:1, /* Is our filter JIT'ed? */
f8bbbfc3 DB	164	len:31; /* Number of filter blocks */
a3ea269b	165	struct sock_fprog_kern orig_prog; / Original BPF program */
d45ed4a4	166	struct rcu_head rcu;
0a14842f	167	unsigned int (bpf_func)(const struct sk_buff skb,
bd4cf0ed	168	const struct sock_filter_int *filter);
d45ed4a4	169	union {
bd4cf0ed AS	170	struct sock_filter insns[0];
bd4cf0ed AS	171	struct sock_filter_int insnsi[0];
d45ed4a4 AS	172	struct work_struct work;
d45ed4a4 AS	173	};
b715631f SH	174	};
b715631f SH	175
d45ed4a4	176	static inline unsigned int sk_filter_size(unsigned int proglen)
b715631f	177	{
d45ed4a4 AS	178	return max(sizeof(struct sk_filter),
d45ed4a4 AS	179	offsetof(struct sk_filter, insns[proglen]));
b715631f SH	180	}
b715631f SH	181
a3ea269b DB	182	#define sk_filter_proglen(fprog) \
	183	(fprog->len * sizeof(fprog->filter[0]))
	184
fbc907f0	185	int sk_filter(struct sock sk, struct sk_buff skb);
bd4cf0ed AS	186
	187	u32 sk_run_filter_int_seccomp(const struct seccomp_data *ctx,
	188	const struct sock_filter_int *insni);
	189	u32 sk_run_filter_int_skb(const struct sk_buff *ctx,
	190	const struct sock_filter_int *insni);
	191
	192	int sk_convert_filter(struct sock_filter *prog, int len,
	193	struct sock_filter_int new_prog, int new_len);
a3ea269b	194
fbc907f0 DB	195	int sk_unattached_filter_create(struct sk_filter **pfp,
	196	struct sock_fprog *fprog);
	197	void sk_unattached_filter_destroy(struct sk_filter *fp);
a3ea269b	198
fbc907f0 DB	199	int sk_attach_filter(struct sock_fprog fprog, struct sock sk);
fbc907f0 DB	200	int sk_detach_filter(struct sock *sk);
a3ea269b	201
fbc907f0 DB	202	int sk_chk_filter(struct sock_filter *filter, unsigned int flen);
	203	int sk_get_filter(struct sock sk, struct sock_filter __user filter,
	204	unsigned int len);
	205	void sk_decode_filter(struct sock_filter filt, struct sock_filter to);
	206
	207	void sk_filter_charge(struct sock sk, struct sk_filter fp);
	208	void sk_filter_uncharge(struct sock sk, struct sk_filter fp);
0a14842f ED	209
0a14842f ED	210	#ifdef CONFIG_BPF_JIT
20074f35	211	#include <stdarg.h>
a691ce7f CG	212	#include <linux/linkage.h>
	213	#include <linux/printk.h>
	214
fbc907f0 DB	215	void bpf_jit_compile(struct sk_filter *fp);
fbc907f0 DB	216	void bpf_jit_free(struct sk_filter *fp);
79617801 DB	217
	218	static inline void bpf_jit_dump(unsigned int flen, unsigned int proglen,
	219	u32 pass, void *image)
	220	{
16495445	221	pr_err("flen=%u proglen=%u pass=%u image=%pK\n",
79617801 DB	222	flen, proglen, pass, image);
79617801 DB	223	if (image)
16495445	224	print_hex_dump(KERN_ERR, "JIT code: ", DUMP_PREFIX_OFFSET,
79617801 DB	225	16, 1, image, proglen, false);
79617801 DB	226	}
0a14842f	227	#else
d45ed4a4	228	#include <linux/slab.h>
0a14842f ED	229	static inline void bpf_jit_compile(struct sk_filter *fp)
	230	{
	231	}
	232	static inline void bpf_jit_free(struct sk_filter *fp)
	233	{
d45ed4a4	234	kfree(fp);
0a14842f	235	}
0a14842f ED	236	#endif
0a14842f ED	237
ea02f941 MS	238	static inline int bpf_tell_extensions(void)
ea02f941 MS	239	{
37692299	240	return SKF_AD_MAX;
ea02f941 MS	241	}
ea02f941 MS	242
0a14842f ED	243	enum {
	244	BPF_S_RET_K = 1,
	245	BPF_S_RET_A,
	246	BPF_S_ALU_ADD_K,
	247	BPF_S_ALU_ADD_X,
	248	BPF_S_ALU_SUB_K,
	249	BPF_S_ALU_SUB_X,
	250	BPF_S_ALU_MUL_K,
	251	BPF_S_ALU_MUL_X,
	252	BPF_S_ALU_DIV_X,
b6069a95 ED	253	BPF_S_ALU_MOD_K,
b6069a95 ED	254	BPF_S_ALU_MOD_X,
0a14842f ED	255	BPF_S_ALU_AND_K,
	256	BPF_S_ALU_AND_X,
	257	BPF_S_ALU_OR_K,
	258	BPF_S_ALU_OR_X,
9e49e889 DB	259	BPF_S_ALU_XOR_K,
9e49e889 DB	260	BPF_S_ALU_XOR_X,
0a14842f ED	261	BPF_S_ALU_LSH_K,
	262	BPF_S_ALU_LSH_X,
	263	BPF_S_ALU_RSH_K,
	264	BPF_S_ALU_RSH_X,
	265	BPF_S_ALU_NEG,
	266	BPF_S_LD_W_ABS,
	267	BPF_S_LD_H_ABS,
	268	BPF_S_LD_B_ABS,
	269	BPF_S_LD_W_LEN,
	270	BPF_S_LD_W_IND,
	271	BPF_S_LD_H_IND,
	272	BPF_S_LD_B_IND,
	273	BPF_S_LD_IMM,
	274	BPF_S_LDX_W_LEN,
	275	BPF_S_LDX_B_MSH,
	276	BPF_S_LDX_IMM,
	277	BPF_S_MISC_TAX,
	278	BPF_S_MISC_TXA,
	279	BPF_S_ALU_DIV_K,
	280	BPF_S_LD_MEM,
	281	BPF_S_LDX_MEM,
	282	BPF_S_ST,
	283	BPF_S_STX,
	284	BPF_S_JMP_JA,
	285	BPF_S_JMP_JEQ_K,
	286	BPF_S_JMP_JEQ_X,
	287	BPF_S_JMP_JGE_K,
	288	BPF_S_JMP_JGE_X,
	289	BPF_S_JMP_JGT_K,
	290	BPF_S_JMP_JGT_X,
	291	BPF_S_JMP_JSET_K,
	292	BPF_S_JMP_JSET_X,
	293	/* Ancillary data */
	294	BPF_S_ANC_PROTOCOL,
	295	BPF_S_ANC_PKTTYPE,
	296	BPF_S_ANC_IFINDEX,
	297	BPF_S_ANC_NLATTR,
	298	BPF_S_ANC_NLATTR_NEST,
	299	BPF_S_ANC_MARK,
	300	BPF_S_ANC_QUEUE,
	301	BPF_S_ANC_HATYPE,
	302	BPF_S_ANC_RXHASH,
	303	BPF_S_ANC_CPU,
ffe06c17	304	BPF_S_ANC_ALU_XOR_X,
f3335031 ED	305	BPF_S_ANC_VLAN_TAG,
f3335031 ED	306	BPF_S_ANC_VLAN_TAG_PRESENT,
3e5289d5	307	BPF_S_ANC_PAY_OFFSET,
4cd3675e	308	BPF_S_ANC_RANDOM,
0a14842f ED	309	};
0a14842f ED	310
1da177e4	311	#endif /* __LINUX_FILTER_H__ */