uapi/linux/seg6_local.h

0001 /*
0002  *  SR-IPv6 implementation
0003  *
0004  *  Author:
0005  *  David Lebrun <david.lebrun@uclouvain.be>
0006  *
0007  *
0008  *  This program is free software; you can redistribute it and/or
0009  *      modify it under the terms of the GNU General Public License
0010  *      as published by the Free Software Foundation; either version
0011  *      2 of the License, or (at your option) any later version.
0012  */
0013
0014 #ifndef _UAPI_LINUX_SEG6_LOCAL_H
0015 #define _UAPI_LINUX_SEG6_LOCAL_H
0016
0017 #include <linux/seg6.h>
0018
0019 enum {
0020     SEG6_LOCAL_UNSPEC,
0021     SEG6_LOCAL_ACTION,
0022     SEG6_LOCAL_SRH,
0023     SEG6_LOCAL_TABLE,
0024     SEG6_LOCAL_NH4,
0025     SEG6_LOCAL_NH6,
0026     SEG6_LOCAL_IIF,
0027     SEG6_LOCAL_OIF,
0028     SEG6_LOCAL_BPF,
0029     SEG6_LOCAL_VRFTABLE,
0030     SEG6_LOCAL_COUNTERS,
0031     __SEG6_LOCAL_MAX,
0032 };
0033 #define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)
0034
0035 enum {
0036     SEG6_LOCAL_ACTION_UNSPEC    = 0,
0037     /* node segment */
0038     SEG6_LOCAL_ACTION_END       = 1,
0039     /* adjacency segment (IPv6 cross-connect) */
0040     SEG6_LOCAL_ACTION_END_X     = 2,
0041     /* lookup of next seg NH in table */
0042     SEG6_LOCAL_ACTION_END_T     = 3,
0043     /* decap and L2 cross-connect */
0044     SEG6_LOCAL_ACTION_END_DX2   = 4,
0045     /* decap and IPv6 cross-connect */
0046     SEG6_LOCAL_ACTION_END_DX6   = 5,
0047     /* decap and IPv4 cross-connect */
0048     SEG6_LOCAL_ACTION_END_DX4   = 6,
0049     /* decap and lookup of DA in v6 table */
0050     SEG6_LOCAL_ACTION_END_DT6   = 7,
0051     /* decap and lookup of DA in v4 table */
0052     SEG6_LOCAL_ACTION_END_DT4   = 8,
0053     /* binding segment with insertion */
0054     SEG6_LOCAL_ACTION_END_B6    = 9,
0055     /* binding segment with encapsulation */
0056     SEG6_LOCAL_ACTION_END_B6_ENCAP  = 10,
0057     /* binding segment with MPLS encap */
0058     SEG6_LOCAL_ACTION_END_BM    = 11,
0059     /* lookup last seg in table */
0060     SEG6_LOCAL_ACTION_END_S     = 12,
0061     /* forward to SR-unaware VNF with static proxy */
0062     SEG6_LOCAL_ACTION_END_AS    = 13,
0063     /* forward to SR-unaware VNF with masquerading */
0064     SEG6_LOCAL_ACTION_END_AM    = 14,
0065     /* custom BPF action */
0066     SEG6_LOCAL_ACTION_END_BPF   = 15,
0067     /* decap and lookup of DA in v4 or v6 table */
0068     SEG6_LOCAL_ACTION_END_DT46  = 16,
0069
0070     __SEG6_LOCAL_ACTION_MAX,
0071 };
0072
0073 #define SEG6_LOCAL_ACTION_MAX (__SEG6_LOCAL_ACTION_MAX - 1)
0074
0075 enum {
0076     SEG6_LOCAL_BPF_PROG_UNSPEC,
0077     SEG6_LOCAL_BPF_PROG,
0078     SEG6_LOCAL_BPF_PROG_NAME,
0079     __SEG6_LOCAL_BPF_PROG_MAX,
0080 };
0081
0082 #define SEG6_LOCAL_BPF_PROG_MAX (__SEG6_LOCAL_BPF_PROG_MAX - 1)
0083
0084 /* SRv6 Behavior counters are encoded as netlink attributes guaranteeing the
0085  * correct alignment.
0086  * Each counter is identified by a different attribute type (i.e.
0087  * SEG6_LOCAL_CNT_PACKETS).
0088  *
0089  * - SEG6_LOCAL_CNT_PACKETS: identifies a counter that counts the number of
0090  *   packets that have been CORRECTLY processed by an SRv6 Behavior instance
0091  *   (i.e., packets that generate errors or are dropped are NOT counted).
0092  *
0093  * - SEG6_LOCAL_CNT_BYTES: identifies a counter that counts the total amount
0094  *   of traffic in bytes of all packets that have been CORRECTLY processed by
0095  *   an SRv6 Behavior instance (i.e., packets that generate errors or are
0096  *   dropped are NOT counted).
0097  *
0098  * - SEG6_LOCAL_CNT_ERRORS: identifies a counter that counts the number of
0099  *   packets that have NOT been properly processed by an SRv6 Behavior instance
0100  *   (i.e., packets that generate errors or are dropped).
0101  */
0102 enum {
0103     SEG6_LOCAL_CNT_UNSPEC,
0104     SEG6_LOCAL_CNT_PAD,     /* pad for 64 bits values */
0105     SEG6_LOCAL_CNT_PACKETS,
0106     SEG6_LOCAL_CNT_BYTES,
0107     SEG6_LOCAL_CNT_ERRORS,
0108     __SEG6_LOCAL_CNT_MAX,
0109 };
0110
0111 #define SEG6_LOCAL_CNT_MAX (__SEG6_LOCAL_CNT_MAX - 1)
0112
0113 #endif