163 lines
4.0 KiB
C
163 lines
4.0 KiB
C
/** @file
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* @brief Network core definitions
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*
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* Definitions for networking support.
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*/
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/*
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* Copyright (c) 2015 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 ZEPHYR_INCLUDE_NET_NET_CORE_H_
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#define ZEPHYR_INCLUDE_NET_NET_CORE_H_
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#include <stdbool.h>
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#include <string.h>
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#include <logging/log.h>
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#include <sys/__assert.h>
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#include <kernel.h>
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#include <net/net_timeout.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Networking
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* @defgroup networking Networking
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* @{
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* @}
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*/
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/**
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* @brief Network core library
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* @defgroup net_core Network Core Library
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* @ingroup networking
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* @{
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*/
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/** @cond INTERNAL_HIDDEN */
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/* Network subsystem logging helpers */
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#ifdef CONFIG_THREAD_NAME
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#define NET_DBG(fmt, ...) LOG_DBG("(%s): " fmt, \
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log_strdup(k_thread_name_get(k_current_get())), \
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##__VA_ARGS__)
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#else
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#define NET_DBG(fmt, ...) LOG_DBG("(%p): " fmt, k_current_get(), \
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##__VA_ARGS__)
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#endif /* CONFIG_THREAD_NAME */
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#define NET_ERR(fmt, ...) LOG_ERR(fmt, ##__VA_ARGS__)
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#define NET_WARN(fmt, ...) LOG_WRN(fmt, ##__VA_ARGS__)
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#define NET_INFO(fmt, ...) LOG_INF(fmt, ##__VA_ARGS__)
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#define NET_HEXDUMP_DBG(_data, _length, _str) LOG_HEXDUMP_DBG(_data, _length, _str)
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#define NET_HEXDUMP_ERR(_data, _length, _str) LOG_HEXDUMP_ERR(_data, _length, _str)
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#define NET_HEXDUMP_WARN(_data, _length, _str) LOG_HEXDUMP_WRN(_data, _length, _str)
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#define NET_HEXDUMP_INFO(_data, _length, _str) LOG_HEXDUMP_INF(_data, _length, _str)
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#define NET_ASSERT(cond, ...) __ASSERT(cond, "" __VA_ARGS__)
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/* This needs to be here in order to avoid circular include dependency between
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* net_pkt.h and net_if.h
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*/
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#if defined(CONFIG_NET_PKT_TXTIME_STATS_DETAIL) || \
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defined(CONFIG_NET_PKT_RXTIME_STATS_DETAIL)
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#if !defined(NET_PKT_DETAIL_STATS_COUNT)
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#if defined(CONFIG_NET_PKT_TXTIME_STATS_DETAIL)
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#if defined(CONFIG_NET_PKT_RXTIME_STATS_DETAIL)
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#define NET_PKT_DETAIL_STATS_COUNT 4
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#else
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#define NET_PKT_DETAIL_STATS_COUNT 3
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#endif /* CONFIG_NET_PKT_RXTIME_STATS_DETAIL */
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#else
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#define NET_PKT_DETAIL_STATS_COUNT 4
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#endif /* CONFIG_NET_PKT_TXTIME_STATS_DETAIL */
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#endif /* !NET_PKT_DETAIL_STATS_COUNT */
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#endif /* CONFIG_NET_PKT_TXTIME_STATS_DETAIL ||
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CONFIG_NET_PKT_RXTIME_STATS_DETAIL */
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/** @endcond */
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struct net_buf;
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struct net_pkt;
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struct net_context;
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struct net_if;
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/**
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* @brief Net Verdict
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*/
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enum net_verdict {
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/** Packet has been taken care of. */
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NET_OK,
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/** Packet has not been touched, other part should decide about its
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* fate.
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*/
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NET_CONTINUE,
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/** Packet must be dropped. */
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NET_DROP,
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};
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/**
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* @brief Called by lower network stack or network device driver when
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* a network packet has been received. The function will push the packet up in
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* the network stack for further processing.
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*
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* @param iface Network interface where the packet was received.
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* @param pkt Network packet data.
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*
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* @return 0 if ok, <0 if error.
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*/
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int net_recv_data(struct net_if *iface, struct net_pkt *pkt);
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/**
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* @brief Send data to network.
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*
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* @details Send data to network. This should not be used normally by
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* applications as it requires that the network packet is properly
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* constructed.
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*
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* @param pkt Network packet.
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*
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* @return 0 if ok, <0 if error. If <0 is returned, then the caller needs
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* to unref the pkt in order to avoid memory leak.
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*/
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int net_send_data(struct net_pkt *pkt);
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/** @cond INTERNAL_HIDDEN */
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/* Some helper defines for traffic class support */
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#if defined(CONFIG_NET_TC_TX_COUNT) && defined(CONFIG_NET_TC_RX_COUNT)
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#define NET_TC_TX_COUNT CONFIG_NET_TC_TX_COUNT
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#define NET_TC_RX_COUNT CONFIG_NET_TC_RX_COUNT
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#if NET_TC_TX_COUNT > NET_TC_RX_COUNT
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#define NET_TC_COUNT NET_TC_TX_COUNT
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#else
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#define NET_TC_COUNT NET_TC_RX_COUNT
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#endif
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#else /* CONFIG_NET_TC_TX_COUNT && CONFIG_NET_TC_RX_COUNT */
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#define NET_TC_TX_COUNT 1
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#define NET_TC_RX_COUNT 1
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#define NET_TC_COUNT 1
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#endif /* CONFIG_NET_TC_TX_COUNT && CONFIG_NET_TC_RX_COUNT */
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/* @endcond */
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_NET_NET_CORE_H_ */
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