121 lines
4.4 KiB
C
121 lines
4.4 KiB
C
/****************************************************************************
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* include/sys/sockio.h
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*
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* Copyright (C) 2010, 2012 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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#ifndef __INCLUDE_SYS_SOCKIO_H
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#define __INCLUDE_SYS_SOCKIO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/* Get NuttX configuration and NuttX-specific network IOCTL definitions */
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#include <nuttx/config.h>
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#include <nuttx/fs/ioctl.h>
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#include <nuttx/net/ioctl.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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#define IMSFNAMSIZ 8
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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/* RFC3678: IPv4 Options
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*
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* o ioctl() SIOCGIPMSFILTER: to retrieve the list of source addresses
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* that comprise the source filter along with the current filter mode.
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*
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* o ioctl() SIOCSIPMSFILTER: to set or modify the source filter content
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* (e.g., unicast source address list) or mode (exclude or include).
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*
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* Ioctl option Argument type
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* ----------------------------- ----------------------
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* SIOCGIPMSFILTER struct ip_msfilter
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* SIOCSIPMSFILTER struct ip_msfilter
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*
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* The imsf_fmode mode is a 32-bit integer that identifies the filter
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* mode. The value of this field must be either MCAST_INCLUDE or
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* MCAST_EXCLUDE, which are likewise defined in <netinet/in.h>.
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*/
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#if 0 /* REVISIT: Current NuttX implementation is non-standard.
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* Lookup is by device name, not IP address.
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*/
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struct ip_msfilter
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{
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struct in_addr imsf_multiaddr; /* IP multicast address of group */
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struct in_addr imsf_interface; /* Local IP address of interface */
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uint32_t imsf_fmode; /* Filter mode */
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#ifdef CONFIG_NET_IGMPv3
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uint32_t imsf_numsrc; /* number of sources in src_list */
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struct in_addr imsf_slist[1]; /* start of source list */
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#endif
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};
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#else
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struct ip_msfilter
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{
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char imsf_name[IMSFNAMSIZ]; /* Network device name, e.g., "eth0" */
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struct in_addr imsf_multiaddr; /* IP multicast address of group */
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uint32_t imsf_fmode; /* Filter mode */
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};
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __INCLUDE_SYS_SOCKIO_H */
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