84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/** @file
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@brief IPv4 related functions
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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 __IPV4_H
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#define __IPV4_H
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#include <zephyr/types.h>
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#include <net/net_ip.h>
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#include <net/net_pkt.h>
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#include <net/net_if.h>
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#include <net/net_context.h>
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#include "ipv4.h"
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/**
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* @brief Create IPv4 packet in provided net_pkt.
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*
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* @param pkt Network packet
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* @param src Source IPv4 address
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* @param dst Destination IPv4 address
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* @param iface Network interface
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* @param next_header Protocol type of the next header after IPv4 header.
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*
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* @return Return network packet that contains the IPv4 packet.
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*/
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struct net_pkt *net_ipv4_create_raw(struct net_pkt *pkt,
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const struct in_addr *src,
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const struct in_addr *dst,
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struct net_if *iface,
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u8_t next_header);
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/**
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* @brief Create IPv4 packet in provided net_pkt.
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*
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* @param context Network context for a connection
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* @param pkt Network packet
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* @param src_addr Source address, or NULL to choose a default
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* @param dst_addr Destination IPv4 address
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*
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* @return Return network packet that contains the IPv6 packet.
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*/
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struct net_pkt *net_ipv4_create(struct net_context *context,
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struct net_pkt *pkt,
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const struct in_addr *src_addr,
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const struct in_addr *dst_addr);
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/**
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* @brief Finalize IPv4 packet. It should be called right before
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* sending the packet and after all the data has been added into
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* the packet. This function will set the length of the
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* packet and calculate the higher protocol checksum if needed.
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*
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* @param pkt Network packet
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* @param next_header Protocol type of the next header after IPv4 header.
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*
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* @return Return 0 on Success, < 0 on Failure.
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*/
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int net_ipv4_finalize_raw(struct net_pkt *pkt, u8_t next_header);
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/**
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* @brief Finalize IPv4 packet. It should be called right before
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* sending the packet and after all the data has been added into
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* the packet. This function will set the length of the
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* packet and calculate the higher protocol checksum if needed.
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*
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* @param context Network context for a connection
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* @param pkt Network packet
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*
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* @return Return 0 on Success, < 0 on Failure.
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*/
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int net_ipv4_finalize(struct net_context *context, struct net_pkt *pkt);
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#endif /* __IPV4_H */
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