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seg6_local.h (3866B) - Raw

      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_FLAVORS,
     32 	__SEG6_LOCAL_MAX,
     33 };
     34 #define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)
     35 
     36 enum {
     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 
     76 enum {
     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  */
    103 enum {
    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 */
    115 enum {
    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 */
    126 enum {
    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