112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/****************************************************************************
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* net/socket/net_sockif.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/net/net.h>
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#include "local/local.h"
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#include "pkt/pkt.h"
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#include "socket/socket.h"
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#ifdef CONFIG_NET
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: net_sockif
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*
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* Description:
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* Return the socket interface associated with this address family.
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*
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* Parameters:
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* family - Address family
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*
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* Returned Value:
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* On success, a non-NULL instance of struct sock_intf_s is returned. NULL
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* is returned only if the address family is not supported.
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*
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****************************************************************************/
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FAR const struct sock_intf_s *net_sockif(sa_family_t family)
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{
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FAR const struct sock_intf_s *sockif = NULL;
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/* Get the socket interface */
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switch (family)
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{
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#if defined(CONFIG_NET_IPv4) || defined(CONFIG_NET_IPv6)
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#ifdef CONFIG_NET_IPv4
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case PF_INET:
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#endif
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#ifdef CONFIG_NET_IPv6
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case PF_INET6:
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#endif
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sockif = &g_inet_sockif;
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break;
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#endif
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#ifdef CONFIG_NET_LOCAL
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case PF_LOCAL:
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sockif = &g_local_sockif;
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break;
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#endif
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#ifdef CONFIG_NET_PKT
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case PF_PACKET:
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sockif = &g_pkt_sockif;
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break;
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#endif
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default:
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nerr("ERROR: Address family unsupported: %d\n", family);
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}
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return sockif;
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}
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#endif /* CONFIG_NET */
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