/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
 * Copyright (c) 2021 Taehee Yoo <ap420073@gmail.com>
 */
#ifndef _UAPI_AMT_H_
#define _UAPI_AMT_H_

enum ifla_amt_mode {
        /* AMT interface works as Gateway mode.
         * The Gateway mode encapsulates IGMP/MLD traffic and decapsulates
         * multicast traffic.
         */
        AMT_MODE_GATEWAY = 0,
        /* AMT interface works as Relay mode.
         * The Relay mode encapsulates multicast traffic and decapsulates
         * IGMP/MLD traffic.
         */
        AMT_MODE_RELAY,
        __AMT_MODE_MAX,
};

#define AMT_MODE_MAX (__AMT_MODE_MAX - 1)

enum {
        IFLA_AMT_UNSPEC,
        /* This attribute specify mode etier Gateway or Relay. */
        IFLA_AMT_MODE,
        /* This attribute specify Relay port.
         * AMT interface is created as Gateway mode, this attribute is used
         * to specify relay(remote) port.
         * AMT interface is created as Relay mode, this attribute is used
         * as local port.
         */
        IFLA_AMT_RELAY_PORT,
        /* This attribute specify Gateway port.
         * AMT interface is created as Gateway mode, this attribute is used
         * as local port.
         * AMT interface is created as Relay mode, this attribute is not used.
         */
        IFLA_AMT_GATEWAY_PORT,
        /* This attribute specify physical device */
        IFLA_AMT_LINK,
        /* This attribute specify local ip address */
        IFLA_AMT_LOCAL_IP,
        /* This attribute specify Relay ip address.
         * So, this is not used by Relay.
         */
        IFLA_AMT_REMOTE_IP,
        /* This attribute specify Discovery ip address.
         * When Gateway get started, it send discovery message to find the
         * Relay's ip address.
         * So, this is not used by Relay.
         */
        IFLA_AMT_DISCOVERY_IP,
        /* This attribute specify number of maximum tunnel. */
        IFLA_AMT_MAX_TUNNELS,
        __IFLA_AMT_MAX,
};

#define IFLA_AMT_MAX (__IFLA_AMT_MAX - 1)

#endif /* _UAPI_AMT_H_ */