/*
 *  SR-IPv6 implementation
 *
 *  Author:
 *  David Lebrun <david.lebrun@uclouvain.be>
 *
 *
 *  This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.
 */

#ifndef _UAPI_LINUX_SEG6_LOCAL_H
#define _UAPI_LINUX_SEG6_LOCAL_H

#include <linux/seg6.h>

enum {
        SEG6_LOCAL_UNSPEC,
        SEG6_LOCAL_ACTION,
        SEG6_LOCAL_SRH,
        SEG6_LOCAL_TABLE,
        SEG6_LOCAL_NH4,
        SEG6_LOCAL_NH6,
        SEG6_LOCAL_IIF,
        SEG6_LOCAL_OIF,
        SEG6_LOCAL_BPF,
        SEG6_LOCAL_VRFTABLE,
        SEG6_LOCAL_COUNTERS,
        SEG6_LOCAL_FLAVORS,
        __SEG6_LOCAL_MAX,
};
#define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)

enum {
        SEG6_LOCAL_ACTION_UNSPEC        = 0,
        /* node segment */
        SEG6_LOCAL_ACTION_END           = 1,
        /* adjacency segment (IPv6 cross-connect) */
        SEG6_LOCAL_ACTION_END_X         = 2,
        /* lookup of next seg NH in table */
        SEG6_LOCAL_ACTION_END_T         = 3,
        /* decap and L2 cross-connect */
        SEG6_LOCAL_ACTION_END_DX2       = 4,
        /* decap and IPv6 cross-connect */
        SEG6_LOCAL_ACTION_END_DX6       = 5,
        /* decap and IPv4 cross-connect */
        SEG6_LOCAL_ACTION_END_DX4       = 6,
        /* decap and lookup of DA in v6 table */
        SEG6_LOCAL_ACTION_END_DT6       = 7,
        /* decap and lookup of DA in v4 table */
        SEG6_LOCAL_ACTION_END_DT4       = 8,
        /* binding segment with insertion */
        SEG6_LOCAL_ACTION_END_B6        = 9,
        /* binding segment with encapsulation */
        SEG6_LOCAL_ACTION_END_B6_ENCAP  = 10,
        /* binding segment with MPLS encap */
        SEG6_LOCAL_ACTION_END_BM        = 11,
        /* lookup last seg in table */
        SEG6_LOCAL_ACTION_END_S         = 12,
        /* forward to SR-unaware VNF with static proxy */
        SEG6_LOCAL_ACTION_END_AS        = 13,
        /* forward to SR-unaware VNF with masquerading */
        SEG6_LOCAL_ACTION_END_AM        = 14,
        /* custom BPF action */
        SEG6_LOCAL_ACTION_END_BPF       = 15,
        /* decap and lookup of DA in v4 or v6 table */
        SEG6_LOCAL_ACTION_END_DT46      = 16,

        __SEG6_LOCAL_ACTION_MAX,
};

#define SEG6_LOCAL_ACTION_MAX (__SEG6_LOCAL_ACTION_MAX - 1)

enum {
        SEG6_LOCAL_BPF_PROG_UNSPEC,
        SEG6_LOCAL_BPF_PROG,
        SEG6_LOCAL_BPF_PROG_NAME,
        __SEG6_LOCAL_BPF_PROG_MAX,
};

#define SEG6_LOCAL_BPF_PROG_MAX (__SEG6_LOCAL_BPF_PROG_MAX - 1)

/* SRv6 Behavior counters are encoded as netlink attributes guaranteeing the
 * correct alignment.
 * Each counter is identified by a different attribute type (i.e.
 * SEG6_LOCAL_CNT_PACKETS).
 *
 * - SEG6_LOCAL_CNT_PACKETS: identifies a counter that counts the number of
 *   packets that have been CORRECTLY processed by an SRv6 Behavior instance
 *   (i.e., packets that generate errors or are dropped are NOT counted).
 *
 * - SEG6_LOCAL_CNT_BYTES: identifies a counter that counts the total amount
 *   of traffic in bytes of all packets that have been CORRECTLY processed by
 *   an SRv6 Behavior instance (i.e., packets that generate errors or are
 *   dropped are NOT counted).
 *
 * - SEG6_LOCAL_CNT_ERRORS: identifies a counter that counts the number of
 *   packets that have NOT been properly processed by an SRv6 Behavior instance
 *   (i.e., packets that generate errors or are dropped).
 */
enum {
        SEG6_LOCAL_CNT_UNSPEC,
        SEG6_LOCAL_CNT_PAD,             /* pad for 64 bits values */
        SEG6_LOCAL_CNT_PACKETS,
        SEG6_LOCAL_CNT_BYTES,
        SEG6_LOCAL_CNT_ERRORS,
        __SEG6_LOCAL_CNT_MAX,
};

#define SEG6_LOCAL_CNT_MAX (__SEG6_LOCAL_CNT_MAX - 1)

/* SRv6 End* Flavor attributes */
enum {
        SEG6_LOCAL_FLV_UNSPEC,
        SEG6_LOCAL_FLV_OPERATION,
        SEG6_LOCAL_FLV_LCBLOCK_BITS,
        SEG6_LOCAL_FLV_LCNODE_FN_BITS,
        __SEG6_LOCAL_FLV_MAX,
};

#define SEG6_LOCAL_FLV_MAX (__SEG6_LOCAL_FLV_MAX - 1)

/* Designed flavor operations for SRv6 End* Behavior */
enum {
        SEG6_LOCAL_FLV_OP_UNSPEC,
        SEG6_LOCAL_FLV_OP_PSP,
        SEG6_LOCAL_FLV_OP_USP,
        SEG6_LOCAL_FLV_OP_USD,
        SEG6_LOCAL_FLV_OP_NEXT_CSID,
        __SEG6_LOCAL_FLV_OP_MAX
};

#define SEG6_LOCAL_FLV_OP_MAX (__SEG6_LOCAL_FLV_OP_MAX - 1)

#endif