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