LXR linux/include/uapi/linux/seg6

   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 _UAPI_LINUX_SEG6_LOCAL_H
  15#define _UAPI_LINUX_SEG6_LOCAL_H
  16
  17#include <linux/seg6.h>
  18
  19enum {
  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
  35enum {
  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
  75enum {
  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 */
 102enum {
 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
 114