include/linux/seg6_local.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  SR-IPv6 implementation
   4  *
   5  *  Author:
   6  *  David Lebrun <david.lebrun@uclouvain.be>
   7  */
   8
   9 #ifndef _LINUX_SEG6_LOCAL_H
  10 #define _LINUX_SEG6_LOCAL_H
  11
  12 #include <linux/seg6.h>
  13
  14 enum {
  15         SEG6_LOCAL_UNSPEC,
  16         SEG6_LOCAL_ACTION,
  17         SEG6_LOCAL_SRH,
  18         SEG6_LOCAL_TABLE,
  19         SEG6_LOCAL_NH4,
  20         SEG6_LOCAL_NH6,
  21         SEG6_LOCAL_IIF,
  22         SEG6_LOCAL_OIF,
  23         SEG6_LOCAL_BPF,
  24         SEG6_LOCAL_VRFTABLE,
  25         SEG6_LOCAL_COUNTERS,
  26         __SEG6_LOCAL_MAX,
  27 };
  28 #define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)
  29
  30 enum {
  31         SEG6_LOCAL_ACTION_UNSPEC        = 0,
  32         /* node segment */
  33         SEG6_LOCAL_ACTION_END           = 1,
  34         /* adjacency segment (IPv6 cross-connect) */
  35         SEG6_LOCAL_ACTION_END_X         = 2,
  36         /* lookup of next seg NH in table */
  37         SEG6_LOCAL_ACTION_END_T         = 3,
  38         /* decap and L2 cross-connect */
  39         SEG6_LOCAL_ACTION_END_DX2       = 4,
  40         /* decap and IPv6 cross-connect */
  41         SEG6_LOCAL_ACTION_END_DX6       = 5,
  42         /* decap and IPv4 cross-connect */
  43         SEG6_LOCAL_ACTION_END_DX4       = 6,
  44         /* decap and lookup of DA in v6 table */
  45         SEG6_LOCAL_ACTION_END_DT6       = 7,
  46         /* decap and lookup of DA in v4 table */
  47         SEG6_LOCAL_ACTION_END_DT4       = 8,
  48         /* binding segment with insertion */
  49         SEG6_LOCAL_ACTION_END_B6        = 9,
  50         /* binding segment with encapsulation */
  51         SEG6_LOCAL_ACTION_END_B6_ENCAP  = 10,
  52         /* binding segment with MPLS encap */
  53         SEG6_LOCAL_ACTION_END_BM        = 11,
  54         /* lookup last seg in table */
  55         SEG6_LOCAL_ACTION_END_S         = 12,
  56         /* forward to SR-unaware VNF with static proxy */
  57         SEG6_LOCAL_ACTION_END_AS        = 13,
  58         /* forward to SR-unaware VNF with masquerading */
  59         SEG6_LOCAL_ACTION_END_AM        = 14,
  60         /* custom BPF action */
  61         SEG6_LOCAL_ACTION_END_BPF       = 15,
  62         /* decap and lookup of DA in v4 or v6 table */
  63         SEG6_LOCAL_ACTION_END_DT46      = 16,
  64
  65         __SEG6_LOCAL_ACTION_MAX,
  66 };
  67
  68 #define SEG6_LOCAL_ACTION_MAX (__SEG6_LOCAL_ACTION_MAX - 1)
  69
  70 enum {
  71         SEG6_LOCAL_BPF_PROG_UNSPEC,
  72         SEG6_LOCAL_BPF_PROG,
  73         SEG6_LOCAL_BPF_PROG_NAME,
  74         __SEG6_LOCAL_BPF_PROG_MAX,
  75 };
  76
  77 #define SEG6_LOCAL_BPF_PROG_MAX (__SEG6_LOCAL_BPF_PROG_MAX - 1)
  78
  79 /* SRv6 Behavior counters are encoded as netlink attributes guaranteeing the
  80  * correct alignment.
  81  * Each counter is identified by a different attribute type (i.e.
  82  * SEG6_LOCAL_CNT_PACKETS).
  83  *
  84  * - SEG6_LOCAL_CNT_PACKETS: identifies a counter that counts the number of
  85  *   packets that have been CORRECTLY processed by an SRv6 Behavior instance
  86  *   (i.e., packets that generate errors or are dropped are NOT counted).
  87  *
  88  * - SEG6_LOCAL_CNT_BYTES: identifies a counter that counts the total amount
  89  *   of traffic in bytes of all packets that have been CORRECTLY processed by
  90  *   an SRv6 Behavior instance (i.e., packets that generate errors or are
  91  *   dropped are NOT counted).
  92  *
  93  * - SEG6_LOCAL_CNT_ERRORS: identifies a counter that counts the number of
  94  *   packets that have NOT been properly processed by an SRv6 Behavior instance
  95  *   (i.e., packets that generate errors or are dropped).
  96  */
  97 enum {
  98         SEG6_LOCAL_CNT_UNSPEC,
  99         SEG6_LOCAL_CNT_PAD,             /* pad for 64 bits values */
 100         SEG6_LOCAL_CNT_PACKETS,
 101         SEG6_LOCAL_CNT_BYTES,
 102         SEG6_LOCAL_CNT_ERRORS,
 103         __SEG6_LOCAL_CNT_MAX,
 104 };
 105
 106 #define SEG6_LOCAL_CNT_MAX (__SEG6_LOCAL_CNT_MAX - 1)
 107
 108 #endif