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/*
* 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 <syslog.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);
};
extern int pack_key(struct m_pedit_sel *sel, struct m_pedit_key *tkey);
extern int pack_key32(__u32 retain, struct m_pedit_sel *sel,
struct m_pedit_key *tkey);
extern int pack_key16(__u32 retain, struct m_pedit_sel *sel,
struct m_pedit_key *tkey);
extern int pack_key8(__u32 retain, struct m_pedit_sel *sel,
struct m_pedit_key *tkey);
extern int parse_val(int *argc_p, char ***argv_p, __u32 *val, int type);
extern 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);
extern int parse_offset(int *argc_p, char ***argv_p,
struct m_pedit_sel *sel, struct m_pedit_key *tkey);
int parse_pedit(struct action_util *a, int *argc_p, char ***argv_p,
int tca_id, struct nlmsghdr *n);
extern int print_pedit(struct action_util *au, FILE *f, struct rtattr *arg);
extern int pedit_print_xstats(struct action_util *au, FILE *f,
struct rtattr *xstats);
#endif
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