/*-
 * Copyright (c) 2010 Isilon Systems, Inc.
 * Copyright (c) 2010 iX Systems, Inc.
 * Copyright (c) 2010 Panasas, Inc.
 * Copyright (c) 2013-2017 Mellanox Technologies, Ltd.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice unmodified, this list of conditions, and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _RDMA_IB_ADDR_FREEBSD_H
#define _RDMA_IB_ADDR_FREEBSD_H

#ifdef INET
static inline if_t
ip_ifp_find(struct vnet *vnet, uint32_t addr)
{
        struct sockaddr_in sin;
        struct epoch_tracker et;
        struct ifaddr *ifa;
        if_t ifp;

        memset(&sin, 0, sizeof(sin));
        sin.sin_addr.s_addr = addr;
        sin.sin_len = sizeof(sin);
        sin.sin_family = AF_INET;
        NET_EPOCH_ENTER(et);
        CURVNET_SET_QUIET(vnet);
        ifa = ifa_ifwithaddr((struct sockaddr *)&sin);
        CURVNET_RESTORE();
        if (ifa) {
                ifp = ifa->ifa_ifp;
                if_ref(ifp);
        } else {
                ifp = NULL;
        }
        NET_EPOCH_EXIT(et);
        return (ifp);
}
#endif

#ifdef INET6
static inline if_t
ip6_ifp_find(struct vnet *vnet, struct in6_addr addr, uint16_t scope_id)
{
        struct sockaddr_in6 sin6;
        struct epoch_tracker et;
        struct ifaddr *ifa;
        if_t ifp;

        memset(&sin6, 0, sizeof(sin6));
        sin6.sin6_addr = addr;
        sin6.sin6_len = sizeof(sin6);
        sin6.sin6_family = AF_INET6;
        if (IN6_IS_SCOPE_LINKLOCAL(&addr) ||
            IN6_IS_ADDR_MC_INTFACELOCAL(&addr)) {
                /* embed the IPv6 scope ID */
                sin6.sin6_addr.s6_addr16[1] = htons(scope_id);
        }
        NET_EPOCH_ENTER(et);
        CURVNET_SET_QUIET(vnet);
        ifa = ifa_ifwithaddr((struct sockaddr *)&sin6);
        CURVNET_RESTORE();
        if (ifa != NULL) {
                ifp = ifa->ifa_ifp;
                if_ref(ifp);
        } else {
                ifp = NULL;
        }
        NET_EPOCH_EXIT(et);
        return (ifp);
}
#endif

static inline if_t
dev_get_by_index(struct vnet *vnet, int if_index)
{
        struct epoch_tracker et;
        if_t retval;

        NET_EPOCH_ENTER(et);
        CURVNET_SET(vnet);
        retval = ifnet_byindex_ref(if_index);
        CURVNET_RESTORE();
        NET_EPOCH_EXIT(et);

        return (retval);
}

#endif  /* _RDMA_IB_ADDR_FREEBSD_H */