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openmpi/opal/mca/reachable/netlink/libnl_utils.h
Gabe Saba 4d81006222 reachable: Add IPv6 support to libnl code
Add IPv6 support to the netlink component's utility
wrappers around libnl-3.

Signed-off-by: Brian Barrett <bbarrett@amazon.com>
2017-09-19 19:42:54 -07:00

79 строки
2.7 KiB
C

/*
* Copyright (c) 2014-2015 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2017 Amazon.com, Inc. or its affiliates.
* All Rights reserved.
*
* Portions of this software copied from libfabric
* (https://github.com/ofiwg/libfabric)
*
* LICENSE_BEGIN
*
* BSD license:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*
* LICENSE_END
*
*
*/
#ifndef LIBNL_UTILS_H
#define LIBNL_UTILS_H
#include "libnl3_utils.h"
struct opal_reachable_netlink_sk {
NL_HANDLE *nlh;
uint32_t seq;
};
/* returns 0 if host is reachable, EHOSTUNREACH if the host
* is not reachable, non-zero in other errors.
*
* If the route to the destination is through a gateway, *has_gateway
* is set to 1. Otherwise, it is set to 0.
*/
int opal_reachable_netlink_rt_lookup(uint32_t src_addr,
uint32_t dst_addr, int oif,
int *has_gateway);
#if OPAL_ENABLE_IPV6
/* returns 0 if host is reachable, EHOSTUNREACH if the host
* is not reachable, non-zero in other errors.
*
* If the route to the destination is through a gateway, *has_gateway
* is set to 1. Otherwise, it is set to 0.
*/
int opal_reachable_netlink_rt_lookup6(struct in6_addr *src_addr,
struct in6_addr *dst_addr, int oif,
int *has_gateway);
#endif
#endif /* LIBNL_UTILS_H */