| 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 |  | 
|---|
| 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 | 
|---|
| 138 |  | 
|---|