6cf1da486d
Allow user to disable native IP stack and use offloaded IP stack instead. It is also possible to enable both at the same time if needed. Fixes #18105 Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
76 lines
1.6 KiB
C
76 lines
1.6 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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#define NET_IPV4_IHL_MASK 0x0F
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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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*
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* @return 0 on success, negative errno otherwise.
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*/
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#if defined(CONFIG_NET_NATIVE_IPV4)
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int net_ipv4_create(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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#else
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static inline int net_ipv4_create(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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{
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ARG_UNUSED(pkt);
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ARG_UNUSED(src);
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ARG_UNUSED(dst);
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return -ENOTSUP;
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}
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#endif
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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_proto Protocol type of the next header after IPv4 header.
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*
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* @return 0 on success, negative errno otherwise.
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*/
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#if defined(CONFIG_NET_NATIVE_IPV4)
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int net_ipv4_finalize(struct net_pkt *pkt, u8_t next_header_proto);
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#else
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static inline int net_ipv4_finalize(struct net_pkt *pkt,
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u8_t next_header_proto)
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{
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ARG_UNUSED(pkt);
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ARG_UNUSED(next_header_proto);
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return -ENOTSUP;
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}
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#endif
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#endif /* __IPV4_H */
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