tc/m_pedit.h

   1 /*
   2  * m_pedit.h            generic packet editor actions module
   3  *
   4  *              This program is free software; you can distribute it and/or
   5  *              modify it under the terms of the GNU General Public License
   6  *              as published by the Free Software Foundation; either version
   7  *              2 of the License, or (at your option) any later version.
   8  *
   9  * Authors:  J Hadi Salim (hadi@cyberus.ca)
  10  *
  11  */
  12
  13 #ifndef _ACT_PEDIT_H_
  14 #define _ACT_PEDIT_H_ 1
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <unistd.h>
  19 #include <syslog.h>
  20 #include <fcntl.h>
  21 #include <sys/socket.h>
  22 #include <netinet/in.h>
  23 #include <arpa/inet.h>
  24 #include <string.h>
  25 #include "utils.h"
  26 #include "tc_util.h"
  27 #include <linux/tc_act/tc_pedit.h>
  28
  29 #define MAX_OFFS 128
  30
  31 #define TIPV4 1
  32 #define TIPV6 2
  33 #define TINT 3
  34 #define TU32 4
  35
  36 #define RU32 0xFFFFFFFF
  37 #define RU16 0xFFFF
  38 #define RU8 0xFF
  39
  40 struct m_pedit_util
  41 {
  42         struct m_pedit_util *next;
  43         char    id[16];
  44         int     (*parse_peopt)(int *argc_p, char ***argv_p,struct tc_pedit_sel *sel,struct tc_pedit_key *tkey);
  45 };
  46
  47
  48 extern int parse_cmd(int *argc_p, char ***argv_p, __u32 len, int type,__u32 retain,struct tc_pedit_sel *sel,struct tc_pedit_key *tkey);
  49 extern int pack_key(struct tc_pedit_sel *sel,struct tc_pedit_key *tkey);
  50 extern int pack_key32(__u32 retain,struct tc_pedit_sel *sel,struct tc_pedit_key *tkey);
  51 extern int pack_key16(__u32 retain,struct tc_pedit_sel *sel,struct tc_pedit_key *tkey);
  52 extern int pack_key8(__u32 retain,struct tc_pedit_sel *sel,struct tc_pedit_key *tkey);
  53 extern int parse_val(int *argc_p, char ***argv_p, __u32 * val, int type);
  54 extern int parse_cmd(int *argc_p, char ***argv_p, __u32 len, int type,__u32 retain,struct tc_pedit_sel *sel,struct tc_pedit_key *tkey);
  55 extern int parse_offset(int *argc_p, char ***argv_p,struct tc_pedit_sel *sel,struct tc_pedit_key *tkey);
  56 int parse_pedit(struct action_util *a, int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n);
  57 extern int print_pedit(struct action_util *au,FILE * f, struct rtattr *arg);
  58 extern int pedit_print_xstats(struct action_util *au, FILE *f, struct rtattr *xstats);
  59
  60 #endif