/*

 * m_pedit.h		generic packet editor actions module

 *

 *		This program is free software; you can distribute it and/or

 *		modify it under the terms of the GNU General Public License

 *		as published by the Free Software Foundation; either version

 *		2 of the License, or (at your option) any later version.

 *

 * Authors:  J Hadi Salim (hadi@cyberus.ca)

 *

 */

#ifndef _ACT_PEDIT_H_

#define _ACT_PEDIT_H_ 1

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <fcntl.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <arpa/inet.h>

#include <string.h>

#include "utils.h"

#include "tc_util.h"

#include <linux/tc_act/tc_pedit.h>

#define MAX_OFFS 128

#define TIPV4 1

#define TIPV6 2

#define TINT 3

#define TU32 4

#define TMAC 5

#define RU32 0xFFFFFFFF

#define RU16 0xFFFF

#define RU8 0xFF

#define PEDITKINDSIZ 16

struct m_pedit_key {

	__u32           mask;  /* AND */

	__u32           val;   /*XOR */

	__u32           off;  /*offset */

	__u32           at;

	__u32           offmask;

	__u32           shift;

	enum pedit_header_type htype;

	enum pedit_cmd cmd;

};

struct m_pedit_key_ex {

	enum pedit_header_type htype;

	enum pedit_cmd cmd;

};

struct m_pedit_sel {

	struct tc_pedit_sel sel;

	struct tc_pedit_key keys[MAX_OFFS];

	struct m_pedit_key_ex keys_ex[MAX_OFFS];

	bool extended;

};

struct m_pedit_util {

	struct m_pedit_util *next;

	char    id[PEDITKINDSIZ];

	int     (*parse_peopt)(int *argc_p, char ***argv_p,

			       struct m_pedit_sel *sel,

			       struct m_pedit_key *tkey);

};

int parse_cmd(int *argc_p, char ***argv_p, __u32 len, int type,

	      __u32 retain,

	      struct m_pedit_sel *sel, struct m_pedit_key *tkey);

#endif