5572819bb1
fixes for errors reported by nxstyle tool Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/****************************************************************************
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* apps/netutils/netlib/netlib_setarp.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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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#ifdef CONFIG_NET_ARP
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <string.h>
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#include <assert.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <nuttx/net/arp.h>
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#include "netutils/netlib.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_set_arpmapping
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*
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* Description:
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* Add the current hardware address mapping for the provided protocol
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* address to the ARP table.
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*
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* Parameters:
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* inaddr The IPv4 address to use in the mapping
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* macaddr The Ethernet MAC address to use in the mapping
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*
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* Return:
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* 0 on success; a negated errno value on failure.
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*
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****************************************************************************/
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int netlib_set_arpmapping(FAR const struct sockaddr_in *inaddr,
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FAR const uint8_t *macaddr)
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{
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int ret = -EINVAL;
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if (inaddr != NULL && macaddr != NULL)
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{
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int sockfd = socket(PF_INET, NETLIB_SOCK_TYPE, 0);
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if (sockfd >= 0)
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{
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struct arpreq req;
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memcpy(&req.arp_pa, inaddr, sizeof(struct sockaddr_in));
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req.arp_ha.sa_family = ARPHRD_ETHER;
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memcpy(&req.arp_ha.sa_data, macaddr, ETHER_ADDR_LEN);
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ret = ioctl(sockfd, SIOCSARP, (unsigned long)((uintptr_t)&req));
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if (ret < 0)
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{
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ret = -errno;
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DEBUGASSERT(ret < 0);
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}
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close(sockfd);
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}
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}
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return ret;
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}
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#endif /* CONFIG_NET_ARP */
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