ovpn_dco_linux.h

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/* SPDX-License-Identifier: (GPL-2.0-only WITH Linux-syscall-note) OR MIT */
/*
 *  OpenVPN data channel accelerator
 *
 *  Copyright (C) 2019-2023 OpenVPN, Inc.
 *
 *  Author: James Yonan <james@openvpn.net>
 *      Antonio Quartulli <antonio@openvpn.net>
 */
 
#ifndef _UAPI_LINUX_OVPN_DCO_H_
#define _UAPI_LINUX_OVPN_DCO_H_
 
#define OVPN_NL_NAME "ovpn-dco-v2"
 
#define OVPN_NL_MULTICAST_GROUP_PEERS "peers"
 
 
enum ovpn_nl_commands {
    OVPN_CMD_UNSPEC = 0,
 
    OVPN_CMD_NEW_PEER,
 
    OVPN_CMD_SET_PEER,
 
    OVPN_CMD_DEL_PEER,
 
    OVPN_CMD_NEW_KEY,
 
    OVPN_CMD_SWAP_KEYS,
 
    OVPN_CMD_DEL_KEY,
 
    OVPN_CMD_GET_PEER,
};
 
enum ovpn_cipher_alg {
    OVPN_CIPHER_ALG_NONE = 0,
    OVPN_CIPHER_ALG_AES_GCM,
    OVPN_CIPHER_ALG_CHACHA20_POLY1305,
};
 
enum ovpn_del_peer_reason {
    __OVPN_DEL_PEER_REASON_FIRST,
    OVPN_DEL_PEER_REASON_TEARDOWN = __OVPN_DEL_PEER_REASON_FIRST,
    OVPN_DEL_PEER_REASON_USERSPACE,
    OVPN_DEL_PEER_REASON_EXPIRED,
    OVPN_DEL_PEER_REASON_TRANSPORT_ERROR,
    OVPN_DEL_PEER_REASON_TRANSPORT_DISCONNECT,
    __OVPN_DEL_PEER_REASON_AFTER_LAST
};
 
enum ovpn_key_slot {
    __OVPN_KEY_SLOT_FIRST,
    OVPN_KEY_SLOT_PRIMARY = __OVPN_KEY_SLOT_FIRST,
    OVPN_KEY_SLOT_SECONDARY,
    __OVPN_KEY_SLOT_AFTER_LAST,
};
 
enum ovpn_netlink_attrs {
    OVPN_ATTR_UNSPEC = 0,
    OVPN_ATTR_IFINDEX,
    OVPN_ATTR_NEW_PEER,
    OVPN_ATTR_SET_PEER,
    OVPN_ATTR_DEL_PEER,
    OVPN_ATTR_NEW_KEY,
    OVPN_ATTR_SWAP_KEYS,
    OVPN_ATTR_DEL_KEY,
    OVPN_ATTR_GET_PEER,
 
    __OVPN_ATTR_AFTER_LAST,
    OVPN_ATTR_MAX = __OVPN_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_key_dir_attrs {
    OVPN_KEY_DIR_ATTR_UNSPEC = 0,
    OVPN_KEY_DIR_ATTR_CIPHER_KEY,
    OVPN_KEY_DIR_ATTR_NONCE_TAIL,
 
    __OVPN_KEY_DIR_ATTR_AFTER_LAST,
    OVPN_KEY_DIR_ATTR_MAX = __OVPN_KEY_DIR_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_new_key_attrs {
    OVPN_NEW_KEY_ATTR_UNSPEC = 0,
    OVPN_NEW_KEY_ATTR_PEER_ID,
    OVPN_NEW_KEY_ATTR_KEY_SLOT,
    OVPN_NEW_KEY_ATTR_KEY_ID,
    OVPN_NEW_KEY_ATTR_CIPHER_ALG,
    OVPN_NEW_KEY_ATTR_ENCRYPT_KEY,
    OVPN_NEW_KEY_ATTR_DECRYPT_KEY,
 
    __OVPN_NEW_KEY_ATTR_AFTER_LAST,
    OVPN_NEW_KEY_ATTR_MAX = __OVPN_NEW_KEY_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_del_key_attrs {
    OVPN_DEL_KEY_ATTR_UNSPEC = 0,
    OVPN_DEL_KEY_ATTR_PEER_ID,
    OVPN_DEL_KEY_ATTR_KEY_SLOT,
 
    __OVPN_DEL_KEY_ATTR_AFTER_LAST,
    OVPN_DEL_KEY_ATTR_MAX = __OVPN_DEL_KEY_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_swap_keys_attrs {
    OVPN_SWAP_KEYS_ATTR_UNSPEC = 0,
    OVPN_SWAP_KEYS_ATTR_PEER_ID,
 
    __OVPN_SWAP_KEYS_ATTR_AFTER_LAST,
    OVPN_SWAP_KEYS_ATTR_MAX = __OVPN_SWAP_KEYS_ATTR_AFTER_LAST - 1,
 
};
 
enum ovpn_netlink_new_peer_attrs {
    OVPN_NEW_PEER_ATTR_UNSPEC = 0,
    OVPN_NEW_PEER_ATTR_PEER_ID,
    OVPN_NEW_PEER_ATTR_SOCKADDR_REMOTE,
    OVPN_NEW_PEER_ATTR_SOCKET,
    OVPN_NEW_PEER_ATTR_IPV4,
    OVPN_NEW_PEER_ATTR_IPV6,
    OVPN_NEW_PEER_ATTR_LOCAL_IP,
 
    __OVPN_NEW_PEER_ATTR_AFTER_LAST,
    OVPN_NEW_PEER_ATTR_MAX = __OVPN_NEW_PEER_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_set_peer_attrs {
    OVPN_SET_PEER_ATTR_UNSPEC = 0,
    OVPN_SET_PEER_ATTR_PEER_ID,
    OVPN_SET_PEER_ATTR_KEEPALIVE_INTERVAL,
    OVPN_SET_PEER_ATTR_KEEPALIVE_TIMEOUT,
 
    __OVPN_SET_PEER_ATTR_AFTER_LAST,
    OVPN_SET_PEER_ATTR_MAX = __OVPN_SET_PEER_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_del_peer_attrs {
    OVPN_DEL_PEER_ATTR_UNSPEC = 0,
    OVPN_DEL_PEER_ATTR_REASON,
    OVPN_DEL_PEER_ATTR_PEER_ID,
 
    __OVPN_DEL_PEER_ATTR_AFTER_LAST,
    OVPN_DEL_PEER_ATTR_MAX = __OVPN_DEL_PEER_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_get_peer_attrs {
    OVPN_GET_PEER_ATTR_UNSPEC = 0,
    OVPN_GET_PEER_ATTR_PEER_ID,
 
    __OVPN_GET_PEER_ATTR_AFTER_LAST,
    OVPN_GET_PEER_ATTR_MAX = __OVPN_GET_PEER_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_get_peer_response_attrs {
    OVPN_GET_PEER_RESP_ATTR_UNSPEC = 0,
    OVPN_GET_PEER_RESP_ATTR_PEER_ID,
    OVPN_GET_PEER_RESP_ATTR_SOCKADDR_REMOTE,
    OVPN_GET_PEER_RESP_ATTR_IPV4,
    OVPN_GET_PEER_RESP_ATTR_IPV6,
    OVPN_GET_PEER_RESP_ATTR_LOCAL_IP,
    OVPN_GET_PEER_RESP_ATTR_LOCAL_PORT,
    OVPN_GET_PEER_RESP_ATTR_KEEPALIVE_INTERVAL,
    OVPN_GET_PEER_RESP_ATTR_KEEPALIVE_TIMEOUT,
    OVPN_GET_PEER_RESP_ATTR_VPN_RX_BYTES,
    OVPN_GET_PEER_RESP_ATTR_VPN_TX_BYTES,
    OVPN_GET_PEER_RESP_ATTR_VPN_RX_PACKETS,
    OVPN_GET_PEER_RESP_ATTR_VPN_TX_PACKETS,
    OVPN_GET_PEER_RESP_ATTR_LINK_RX_BYTES,
    OVPN_GET_PEER_RESP_ATTR_LINK_TX_BYTES,
    OVPN_GET_PEER_RESP_ATTR_LINK_RX_PACKETS,
    OVPN_GET_PEER_RESP_ATTR_LINK_TX_PACKETS,
 
    __OVPN_GET_PEER_RESP_ATTR_AFTER_LAST,
    OVPN_GET_PEER_RESP_ATTR_MAX = __OVPN_GET_PEER_RESP_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_peer_stats_attrs {
    OVPN_PEER_STATS_ATTR_UNSPEC = 0,
    OVPN_PEER_STATS_BYTES,
    OVPN_PEER_STATS_PACKETS,
 
    __OVPN_PEER_STATS_ATTR_AFTER_LAST,
    OVPN_PEER_STATS_ATTR_MAX = __OVPN_PEER_STATS_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_peer_attrs {
    OVPN_PEER_ATTR_UNSPEC = 0,
    OVPN_PEER_ATTR_PEER_ID,
    OVPN_PEER_ATTR_SOCKADDR_REMOTE,
    OVPN_PEER_ATTR_IPV4,
    OVPN_PEER_ATTR_IPV6,
    OVPN_PEER_ATTR_LOCAL_IP,
    OVPN_PEER_ATTR_KEEPALIVE_INTERVAL,
    OVPN_PEER_ATTR_KEEPALIVE_TIMEOUT,
    OVPN_PEER_ATTR_ENCRYPT_KEY,
    OVPN_PEER_ATTR_DECRYPT_KEY,
    OVPN_PEER_ATTR_RX_STATS,
    OVPN_PEER_ATTR_TX_STATS,
 
    __OVPN_PEER_ATTR_AFTER_LAST,
    OVPN_PEER_ATTR_MAX = __OVPN_PEER_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_netlink_packet_attrs {
    OVPN_PACKET_ATTR_UNSPEC = 0,
    OVPN_PACKET_ATTR_PACKET,
    OVPN_PACKET_ATTR_PEER_ID,
 
    __OVPN_PACKET_ATTR_AFTER_LAST,
    OVPN_PACKET_ATTR_MAX = __OVPN_PACKET_ATTR_AFTER_LAST - 1,
};
 
enum ovpn_ifla_attrs {
    IFLA_OVPN_UNSPEC = 0,
    IFLA_OVPN_MODE,
 
    __IFLA_OVPN_AFTER_LAST,
    IFLA_OVPN_MAX = __IFLA_OVPN_AFTER_LAST - 1,
};
 
enum ovpn_mode {
    __OVPN_MODE_FIRST = 0,
    OVPN_MODE_P2P = __OVPN_MODE_FIRST,
    OVPN_MODE_MP,
 
    __OVPN_MODE_AFTER_LAST,
};
 
 
#endif /* _UAPI_LINUX_OVPN_DCO_H_ */