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
 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_FLAVORS,
 32	__SEG6_LOCAL_MAX,
 33};
 34#define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)
 35
 36enum {
 37	SEG6_LOCAL_ACTION_UNSPEC	= 0,
 38	/* node segment */
 39	SEG6_LOCAL_ACTION_END		= 1,
 40	/* adjacency segment (IPv6 cross-connect) */
 41	SEG6_LOCAL_ACTION_END_X		= 2,
 42	/* lookup of next seg NH in table */
 43	SEG6_LOCAL_ACTION_END_T		= 3,
 44	/* decap and L2 cross-connect */
 45	SEG6_LOCAL_ACTION_END_DX2	= 4,
 46	/* decap and IPv6 cross-connect */
 47	SEG6_LOCAL_ACTION_END_DX6	= 5,
 48	/* decap and IPv4 cross-connect */
 49	SEG6_LOCAL_ACTION_END_DX4	= 6,
 50	/* decap and lookup of DA in v6 table */
 51	SEG6_LOCAL_ACTION_END_DT6	= 7,
 52	/* decap and lookup of DA in v4 table */
 53	SEG6_LOCAL_ACTION_END_DT4	= 8,
 54	/* binding segment with insertion */
 55	SEG6_LOCAL_ACTION_END_B6	= 9,
 56	/* binding segment with encapsulation */
 57	SEG6_LOCAL_ACTION_END_B6_ENCAP	= 10,
 58	/* binding segment with MPLS encap */
 59	SEG6_LOCAL_ACTION_END_BM	= 11,
 60	/* lookup last seg in table */
 61	SEG6_LOCAL_ACTION_END_S		= 12,
 62	/* forward to SR-unaware VNF with static proxy */
 63	SEG6_LOCAL_ACTION_END_AS	= 13,
 64	/* forward to SR-unaware VNF with masquerading */
 65	SEG6_LOCAL_ACTION_END_AM	= 14,
 66	/* custom BPF action */
 67	SEG6_LOCAL_ACTION_END_BPF	= 15,
 68	/* decap and lookup of DA in v4 or v6 table */
 69	SEG6_LOCAL_ACTION_END_DT46	= 16,
 70
 71	__SEG6_LOCAL_ACTION_MAX,
 72};
 73
 74#define SEG6_LOCAL_ACTION_MAX (__SEG6_LOCAL_ACTION_MAX - 1)
 75
 76enum {
 77	SEG6_LOCAL_BPF_PROG_UNSPEC,
 78	SEG6_LOCAL_BPF_PROG,
 79	SEG6_LOCAL_BPF_PROG_NAME,
 80	__SEG6_LOCAL_BPF_PROG_MAX,
 81};
 82
 83#define SEG6_LOCAL_BPF_PROG_MAX (__SEG6_LOCAL_BPF_PROG_MAX - 1)
 84
 85/* SRv6 Behavior counters are encoded as netlink attributes guaranteeing the
 86 * correct alignment.
 87 * Each counter is identified by a different attribute type (i.e.
 88 * SEG6_LOCAL_CNT_PACKETS).
 89 *
 90 * - SEG6_LOCAL_CNT_PACKETS: identifies a counter that counts the number of
 91 *   packets that have been CORRECTLY processed by an SRv6 Behavior instance
 92 *   (i.e., packets that generate errors or are dropped are NOT counted).
 93 *
 94 * - SEG6_LOCAL_CNT_BYTES: identifies a counter that counts the total amount
 95 *   of traffic in bytes of all packets that have been CORRECTLY processed by
 96 *   an SRv6 Behavior instance (i.e., packets that generate errors or are
 97 *   dropped are NOT counted).
 98 *
 99 * - SEG6_LOCAL_CNT_ERRORS: identifies a counter that counts the number of
100 *   packets that have NOT been properly processed by an SRv6 Behavior instance
101 *   (i.e., packets that generate errors or are dropped).
102 */
103enum {
104	SEG6_LOCAL_CNT_UNSPEC,
105	SEG6_LOCAL_CNT_PAD,		/* pad for 64 bits values */
106	SEG6_LOCAL_CNT_PACKETS,
107	SEG6_LOCAL_CNT_BYTES,
108	SEG6_LOCAL_CNT_ERRORS,
109	__SEG6_LOCAL_CNT_MAX,
110};
111
112#define SEG6_LOCAL_CNT_MAX (__SEG6_LOCAL_CNT_MAX - 1)
113
114/* SRv6 End* Flavor attributes */
115enum {
116	SEG6_LOCAL_FLV_UNSPEC,
117	SEG6_LOCAL_FLV_OPERATION,
118	SEG6_LOCAL_FLV_LCBLOCK_BITS,
119	SEG6_LOCAL_FLV_LCNODE_FN_BITS,
120	__SEG6_LOCAL_FLV_MAX,
121};
122
123#define SEG6_LOCAL_FLV_MAX (__SEG6_LOCAL_FLV_MAX - 1)
124
125/* Designed flavor operations for SRv6 End* Behavior */
126enum {
127	SEG6_LOCAL_FLV_OP_UNSPEC,
128	SEG6_LOCAL_FLV_OP_PSP,
129	SEG6_LOCAL_FLV_OP_USP,
130	SEG6_LOCAL_FLV_OP_USD,
131	SEG6_LOCAL_FLV_OP_NEXT_CSID,
132	__SEG6_LOCAL_FLV_OP_MAX
133};
134
135#define SEG6_LOCAL_FLV_OP_MAX (__SEG6_LOCAL_FLV_OP_MAX - 1)
136
137#endif