nuttx/include/netinet/arp.h
Alin Jerpelea 9b9be7e1f0 include: Author: Gregory Nutt: update licenses to Apache 2.0
Update files from Gregory Nutt to Apache 2.0 license.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-04 03:33:58 -08:00

96 lines
3.4 KiB
C

/****************************************************************************
* include/netinet/arp.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#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 */