include/linux/seg6_local.h

   1 /*
   2  *  SR-IPv6 implementation
   3  *
   4  *  Author:
   5  *  David Lebrun <david.lebrun@uclouvain.be>
   6  *
   7  *
   8  *  This program is free software; you can redistribute it and/or
   9  *      modify it under the terms of the GNU General Public License
  10  *      as published by the Free Software Foundation; either version
  11  *      2 of the License, or (at your option) any later version.
  12  */
  13
  14 #ifndef _LINUX_SEG6_LOCAL_H
  15 #define _LINUX_SEG6_LOCAL_H
  16
  17 #include <linux/seg6.h>
  18
  19 enum {
  20         SEG6_LOCAL_UNSPEC,
  21         SEG6_LOCAL_ACTION,
  22         SEG6_LOCAL_SRH,
  23         SEG6_LOCAL_TABLE,
  24         SEG6_LOCAL_NH4,
  25         SEG6_LOCAL_NH6,
  26         SEG6_LOCAL_IIF,
  27         SEG6_LOCAL_OIF,
  28         SEG6_LOCAL_BPF,
  29         SEG6_LOCAL_VRFTABLE,
  30         SEG6_LOCAL_COUNTERS,
  31         __SEG6_LOCAL_MAX,
  32 };
  33 #define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)
  34
  35 enum {
  36         SEG6_LOCAL_ACTION_UNSPEC        = 0,
  37         /* node segment */
  38         SEG6_LOCAL_ACTION_END           = 1,
  39         /* adjacency segment (IPv6 cross-connect) */
  40         SEG6_LOCAL_ACTION_END_X         = 2,
  41         /* lookup of next seg NH in table */
  42         SEG6_LOCAL_ACTION_END_T         = 3,
  43         /* decap and L2 cross-connect */
  44         SEG6_LOCAL_ACTION_END_DX2       = 4,
  45         /* decap and IPv6 cross-connect */
  46         SEG6_LOCAL_ACTION_END_DX6       = 5,
  47         /* decap and IPv4 cross-connect */
  48         SEG6_LOCAL_ACTION_END_DX4       = 6,
  49         /* decap and lookup of DA in v6 table */
  50         SEG6_LOCAL_ACTION_END_DT6       = 7,
  51         /* decap and lookup of DA in v4 table */
  52         SEG6_LOCAL_ACTION_END_DT4       = 8,
  53         /* binding segment with insertion */
  54         SEG6_LOCAL_ACTION_END_B6        = 9,
  55         /* binding segment with encapsulation */
  56         SEG6_LOCAL_ACTION_END_B6_ENCAP  = 10,
  57         /* binding segment with MPLS encap */
  58         SEG6_LOCAL_ACTION_END_BM        = 11,
  59         /* lookup last seg in table */
  60         SEG6_LOCAL_ACTION_END_S         = 12,
  61         /* forward to SR-unaware VNF with static proxy */
  62         SEG6_LOCAL_ACTION_END_AS        = 13,
  63         /* forward to SR-unaware VNF with masquerading */
  64         SEG6_LOCAL_ACTION_END_AM        = 14,
  65         /* custom BPF action */
  66         SEG6_LOCAL_ACTION_END_BPF       = 15,
  67         /* decap and lookup of DA in v4 or v6 table */
  68         SEG6_LOCAL_ACTION_END_DT46      = 16,
  69
  70         __SEG6_LOCAL_ACTION_MAX,
  71 };
  72
  73 #define SEG6_LOCAL_ACTION_MAX (__SEG6_LOCAL_ACTION_MAX - 1)
  74
  75 enum {
  76         SEG6_LOCAL_BPF_PROG_UNSPEC,
  77         SEG6_LOCAL_BPF_PROG,
  78         SEG6_LOCAL_BPF_PROG_NAME,
  79         __SEG6_LOCAL_BPF_PROG_MAX,
  80 };
  81
  82 #define SEG6_LOCAL_BPF_PROG_MAX (__SEG6_LOCAL_BPF_PROG_MAX - 1)
  83
  84 /* SRv6 Behavior counters are encoded as netlink attributes guaranteeing the
  85  * correct alignment.
  86  * Each counter is identified by a different attribute type (i.e.
  87  * SEG6_LOCAL_CNT_PACKETS).
  88  *
  89  * - SEG6_LOCAL_CNT_PACKETS: identifies a counter that counts the number of
  90  *   packets that have been CORRECTLY processed by an SRv6 Behavior instance
  91  *   (i.e., packets that generate errors or are dropped are NOT counted).
  92  *
  93  * - SEG6_LOCAL_CNT_BYTES: identifies a counter that counts the total amount
  94  *   of traffic in bytes of all packets that have been CORRECTLY processed by
  95  *   an SRv6 Behavior instance (i.e., packets that generate errors or are
  96  *   dropped are NOT counted).
  97  *
  98  * - SEG6_LOCAL_CNT_ERRORS: identifies a counter that counts the number of
  99  *   packets that have NOT been properly processed by an SRv6 Behavior instance
 100  *   (i.e., packets that generate errors or are dropped).
 101  */
 102 enum {
 103         SEG6_LOCAL_CNT_UNSPEC,
 104         SEG6_LOCAL_CNT_PAD,             /* pad for 64 bits values */
 105         SEG6_LOCAL_CNT_PACKETS,
 106         SEG6_LOCAL_CNT_BYTES,
 107         SEG6_LOCAL_CNT_ERRORS,
 108         __SEG6_LOCAL_CNT_MAX,
 109 };
 110
 111 #define SEG6_LOCAL_CNT_MAX (__SEG6_LOCAL_CNT_MAX - 1)
 112
 113 #endif