LXR iproute2/tc/m

   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 <fcntl.h>
  20#include <sys/socket.h>
  21#include <netinet/in.h>
  22#include <arpa/inet.h>
  23#include <string.h>
  24#include "utils.h"
  25#include "tc_util.h"
  26#include <linux/tc_act/tc_pedit.h>
  27
  28#define MAX_OFFS 128
  29
  30#define TIPV4 1
  31#define TIPV6 2
  32#define TINT 3
  33#define TU32 4
  34#define TMAC 5
  35
  36#define RU32 0xFFFFFFFF
  37#define RU16 0xFFFF
  38#define RU8 0xFF
  39
  40#define PEDITKINDSIZ 16
  41
  42enum m_pedit_flags {
  43        PEDIT_ALLOW_DEC = 1<<0,
  44};
  45
  46struct m_pedit_key {
  47        __u32           mask;  /* AND */
  48        __u32           val;   /*XOR */
  49        __u32           off;  /*offset */
  50        __u32           at;
  51        __u32           offmask;
  52        __u32           shift;
  53
  54        enum pedit_header_type htype;
  55        enum pedit_cmd cmd;
  56};
  57
  58struct m_pedit_key_ex {
  59        enum pedit_header_type htype;
  60        enum pedit_cmd cmd;
  61};
  62
  63struct m_pedit_sel {
  64        struct tc_pedit_sel sel;
  65        struct tc_pedit_key keys[MAX_OFFS];
  66        struct m_pedit_key_ex keys_ex[MAX_OFFS];
  67        bool extended;
  68};
  69
  70struct m_pedit_util {
  71        struct m_pedit_util *next;
  72        char    id[PEDITKINDSIZ];
  73        int     (*parse_peopt)(int *argc_p, char ***argv_p,
  74                               struct m_pedit_sel *sel,
  75                               struct m_pedit_key *tkey);
  76};
  77
  78int parse_cmd(int *argc_p, char ***argv_p, __u32 len, int type,
  79              __u32 retain,
  80              struct m_pedit_sel *sel, struct m_pedit_key *tkey, int flags);
  81#endif
  82