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Diffstat (limited to 'nuttx/include/sys/sockio.h')
-rw-r--r-- | nuttx/include/sys/sockio.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/nuttx/include/sys/sockio.h b/nuttx/include/sys/sockio.h new file mode 100644 index 000000000..abfc2f562 --- /dev/null +++ b/nuttx/include/sys/sockio.h @@ -0,0 +1,120 @@ +/**************************************************************************** + * include/sys/sockio.h + * + * Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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, 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 OWNER 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. + * + ****************************************************************************/ + +#ifndef __INCLUDE_SYS_SOCKIO_H +#define __INCLUDE_SYS_SOCKIO_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/* Get NuttX configuration and NuttX-specific network IOCTL definitions */ + +#include <nuttx/config.h> +#include <nuttx/fs/ioctl.h> +#include <nuttx/net/ioctl.h> + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +#define IMSFNAMSIZ 8 + +/**************************************************************************** + * Type Definitions + ****************************************************************************/ + + /* RFC3678: IPv4 Options + * + * o ioctl() SIOCGIPMSFILTER: to retrieve the list of source addresses + * that comprise the source filter along with the current filter mode. + * + * o ioctl() SIOCSIPMSFILTER: to set or modify the source filter content + * (e.g., unicast source address list) or mode (exclude or include). + * + * Ioctl option Argument type + * ----------------------------- ---------------------- + * SIOCGIPMSFILTER struct ip_msfilter + * SIOCSIPMSFILTER struct ip_msfilter + * + * The imsf_fmode mode is a 32-bit integer that identifies the filter + * mode. The value of this field must be either MCAST_INCLUDE or + * MCAST_EXCLUDE, which are likewise defined in <netinet/in.h>. + */ + +#if 0 /* REVISIT: Current NuttX implementation is non-standard. + * Lookup is by device name, not IP address. + */ + +struct ip_msfilter +{ + struct in_addr imsf_multiaddr; /* IP multicast address of group */ + struct in_addr imsf_interface; /* Local IP address of interface */ + uint32_t imsf_fmode; /* Filter mode */ +#ifdef CONFIG_NET_IGMPv3 + uint32_t imsf_numsrc; /* number of sources in src_list */ + struct in_addr imsf_slist[1]; /* start of source list */ +#endif +}; + +#else + +struct ip_msfilter +{ + char imsf_name[IMSFNAMSIZ]; /* Network device name, e.g., "eth0" */ + struct in_addr imsf_multiaddr; /* IP multicast address of group */ + uint32_t imsf_fmode; /* Filter mode */ +}; + +#endif + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __INCLUDE_SYS_SOCKIO_H */ |