8cb97ae47d
Current finalize api's takes buf as input parameter and returns the finalized buf. But if there are any issue while finalizing, it failed to throw an error. Change-Id: I6db54b7453eec41a8051fab50d5c0dc937debd54 Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
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 <stdint.h>
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#include <net/net_ip.h>
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#include <net/nbuf.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_buf.
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*
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* @param buf Network buffer
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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 buffer that contains the IPv4 packet.
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*/
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struct net_buf *net_ipv4_create_raw(struct net_buf *buf,
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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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uint8_t next_header);
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/**
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* @brief Create IPv4 packet in provided net_buf.
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*
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* @param context Network context for a connection
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* @param buf Network buffer
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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 buffer that contains the IPv6 packet.
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*/
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struct net_buf *net_ipv4_create(struct net_context *context,
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struct net_buf *buf,
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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 buf Network buffer
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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_buf *buf, uint8_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 buf Network buffer
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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_buf *buf);
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#endif /* __IPV4_H */
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