123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110 |
- /****************************************************************************
- * include/netinet/arp.h
- *
- * Copyright (C) 2009, 2012, 2020 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_NETINET_ARP_H
- #define __INCLUDE_NETINET_ARP_H
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <nuttx/config.h>
- #include <stdint.h>
- #include <net/if.h>
- #include <nuttx/fs/ioctl.h>
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- /* Three ioctls are available on all PF_INET sockets. Each ioctl takes a
- * pointer to a 'struct arpreq' as its parameter.
- */
- #define SIOCSARP _ARPIOC(1) /* Set a ARP mapping */
- #define SIOCDARP _ARPIOC(2) /* Delete an ARP mapping */
- #define SIOCGARP _ARPIOC(3) /* Get an ARP mapping */
- /* Definitions for bits in field arp_flags of struct arpreq. If the
- * ATF_NETMASK flag is set, then arp_netmask should be valid. This should
- * be set to 0xffffffff, or 0 to remove an existing arp entry.
- */
- #define ATF_COM (1 << 0) /* Lookup complete */
- #define ATF_PERM (1 << 1) /* Permanent entry */
- #define ATF_PUBL (1 << 2) /* Publish entry */
- #define ATF_USETRAILERS (1 << 3) /* Trailers requested (obsolete) */
- #define ATF_NETMASK (1 << 4) /* Use a netmask */
- #define ATF_DONTPUB (1 << 5) /* Don't answer */
- /****************************************************************************
- * Public Type Definitions
- ****************************************************************************/
- /* All ARP ioctls take a pointer to a struct arpreq as their parameter: */
- struct arpreq
- {
- struct sockaddr arp_pa; /* Protocol address */
- struct sockaddr arp_ha; /* Hardware address */
- struct sockaddr arp_netmask; /* Netmask of protocol address */
- uint8_t arp_flags; /* Flags */
- uint8_t arp_dev[IFNAMSIZ + 1]; /* Device name (zero terminated) */
- };
- /****************************************************************************
- * Public Data
- ****************************************************************************/
- #ifdef __cplusplus
- #define EXTERN extern "C"
- extern "C"
- {
- #else
- #define EXTERN extern
- #endif
- /****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
- #undef EXTERN
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCLUDE_NETINET_ARP_H */
|