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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | /** @file * @brief Network core definitions * * Definitions for networking support. */ /* * Copyright (c) 2015 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_NET_NET_CORE_H_ #define ZEPHYR_INCLUDE_NET_NET_CORE_H_ #include <stdbool.h> #include <string.h> #include <logging/log.h> #include <sys/__assert.h> #include <kernel.h> #include <net/net_timeout.h> #ifdef __cplusplus extern "C" { #endif /** * @brief Networking * @defgroup networking Networking * @{ * @} */ /** * @brief Network core library * @defgroup net_core Network Core Library * @ingroup networking * @{ */ /** @cond INTERNAL_HIDDEN */ /* Network subsystem logging helpers */ #ifdef CONFIG_THREAD_NAME #define NET_DBG(fmt, ...) LOG_DBG("(%s): " fmt, \ log_strdup(k_thread_name_get(k_current_get())), \ ##__VA_ARGS__) #else #define NET_DBG(fmt, ...) LOG_DBG("(%p): " fmt, k_current_get(), \ ##__VA_ARGS__) #endif /* CONFIG_THREAD_NAME */ #define NET_ERR(fmt, ...) LOG_ERR(fmt, ##__VA_ARGS__) #define NET_WARN(fmt, ...) LOG_WRN(fmt, ##__VA_ARGS__) #define NET_INFO(fmt, ...) LOG_INF(fmt, ##__VA_ARGS__) #define NET_ASSERT(cond, ...) __ASSERT(cond, "" __VA_ARGS__) /* This needs to be here in order to avoid circular include dependency between * net_pkt.h and net_if.h */ #if defined(CONFIG_NET_PKT_TXTIME_STATS_DETAIL) || \ defined(CONFIG_NET_PKT_RXTIME_STATS_DETAIL) #if !defined(NET_PKT_DETAIL_STATS_COUNT) #if defined(CONFIG_NET_PKT_TXTIME_STATS_DETAIL) #if defined(CONFIG_NET_PKT_RXTIME_STATS_DETAIL) #define NET_PKT_DETAIL_STATS_COUNT 4 #else #define NET_PKT_DETAIL_STATS_COUNT 3 #endif /* CONFIG_NET_PKT_RXTIME_STATS_DETAIL */ #else #define NET_PKT_DETAIL_STATS_COUNT 4 #endif /* CONFIG_NET_PKT_TXTIME_STATS_DETAIL */ #endif /* !NET_PKT_DETAIL_STATS_COUNT */ #endif /* CONFIG_NET_PKT_TXTIME_STATS_DETAIL || CONFIG_NET_PKT_RXTIME_STATS_DETAIL */ /** @endcond */ struct net_buf; struct net_pkt; struct net_context; struct net_if; /** * @brief Net Verdict */ enum net_verdict { /** Packet has been taken care of. */ NET_OK, /** Packet has not been touched, other part should decide about its * fate. */ NET_CONTINUE, /** Packet must be dropped. */ NET_DROP, }; /** * @brief Called by lower network stack or network device driver when * a network packet has been received. The function will push the packet up in * the network stack for further processing. * * @param iface Network interface where the packet was received. * @param pkt Network packet data. * * @return 0 if ok, <0 if error. */ int net_recv_data(struct net_if *iface, struct net_pkt *pkt); /** * @brief Send data to network. * * @details Send data to network. This should not be used normally by * applications as it requires that the network packet is properly * constructed. * * @param pkt Network packet. * * @return 0 if ok, <0 if error. If <0 is returned, then the caller needs * to unref the pkt in order to avoid memory leak. */ int net_send_data(struct net_pkt *pkt); /** @cond INTERNAL_HIDDEN */ /* Some helper defines for traffic class support */ #if defined(CONFIG_NET_TC_TX_COUNT) && defined(CONFIG_NET_TC_RX_COUNT) #define NET_TC_TX_COUNT CONFIG_NET_TC_TX_COUNT #define NET_TC_RX_COUNT CONFIG_NET_TC_RX_COUNT #if NET_TC_TX_COUNT > NET_TC_RX_COUNT #define NET_TC_COUNT NET_TC_TX_COUNT #else #define NET_TC_COUNT NET_TC_RX_COUNT #endif #else /* CONFIG_NET_TC_TX_COUNT && CONFIG_NET_TC_RX_COUNT */ #define NET_TC_TX_COUNT 1 #define NET_TC_RX_COUNT 1 #define NET_TC_COUNT 1 #endif /* CONFIG_NET_TC_TX_COUNT && CONFIG_NET_TC_RX_COUNT */ /* @endcond */ /** * @} */ #ifdef __cplusplus } #endif #endif /* ZEPHYR_INCLUDE_NET_NET_CORE_H_ */ |