69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/****************************************************************************
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* net/utils/net_udpchksum.c
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*
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* SPDX-License-Identifier: Apache-2.0
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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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#include <nuttx/net/netdev.h>
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#include "utils/utils.h"
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#ifdef CONFIG_NET_UDP
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: udp_ipv4_chksum
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*
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* Description:
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* Calculate the UDP/IPv4 checksum of the packet in d_buf and d_appdata.
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*
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****************************************************************************/
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#if defined(CONFIG_NET_UDP_CHECKSUMS) && defined(CONFIG_NET_IPv4)
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uint16_t udp_ipv4_chksum(FAR struct net_driver_s *dev)
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{
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return ipv4_upperlayer_chksum(dev, IP_PROTO_UDP);
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}
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#endif
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/****************************************************************************
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* Name: udp_ipv6_chksum
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*
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* Description:
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* Calculate the UDP/IPv6 checksum of the packet in d_buf and d_appdata.
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*
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****************************************************************************/
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#if defined(CONFIG_NET_UDP_CHECKSUMS) && defined(CONFIG_NET_IPv6)
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uint16_t udp_ipv6_chksum(FAR struct net_driver_s *dev)
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{
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return ipv6_upperlayer_chksum(dev, IP_PROTO_UDP, IPv6_HDRLEN);
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}
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#endif
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#endif /* CONFIG_NET_UDP */
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