59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/** @file
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@brief ICMPv4 handler
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This is not to be included by the application.
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*/
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef __ICMPV4_H
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#define __ICMPV4_H
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#include <zephyr/types.h>
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#include <zephyr/net/net_ip.h>
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#include <zephyr/net/net_pkt.h>
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#define NET_ICMPV4_DST_UNREACH 3 /* Destination unreachable */
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#define NET_ICMPV4_TIME_EXCEEDED 11 /* Time exceeded */
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#define NET_ICMPV4_BAD_IP_HEADER 12 /* Bad IP header */
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#define NET_ICMPV4_DST_UNREACH_NO_PROTO 2 /* Protocol not supported */
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#define NET_ICMPV4_DST_UNREACH_NO_PORT 3 /* Port unreachable */
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#define NET_ICMPV4_TIME_EXCEEDED_FRAGMENT_REASSEMBLY_TIME 1 /* Fragment reassembly time exceeded */
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#define NET_ICMPV4_BAD_IP_HEADER_LENGTH 2 /* Bad length field */
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#define NET_ICMPV4_UNUSED_LEN 4
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struct net_icmpv4_echo_req {
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uint16_t identifier;
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uint16_t sequence;
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} __packed;
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/**
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* @brief Send ICMPv4 error message.
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* @param pkt Network packet that this error is related to.
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* @param type Type of the error message.
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* @param code Code of the type of the error message.
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* @return Return 0 if the sending succeed, <0 otherwise.
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*/
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int net_icmpv4_send_error(struct net_pkt *pkt, uint8_t type, uint8_t code);
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#if defined(CONFIG_NET_NATIVE_IPV4)
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enum net_verdict net_icmpv4_input(struct net_pkt *pkt,
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struct net_ipv4_hdr *ip_hdr);
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int net_icmpv4_create(struct net_pkt *pkt, uint8_t icmp_type, uint8_t icmp_code);
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int net_icmpv4_finalize(struct net_pkt *pkt, bool force_chksum);
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void net_icmpv4_init(void);
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#else
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#define net_icmpv4_init(...)
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#endif
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#endif /* __ICMPV4_H */
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