1 /* 2 * Copyright (c) 2018 Intel Corporation. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 /** @file 8 * @brief Dummy layer 2 9 * 10 * This is not to be included by the application. 11 */ 12 13 #ifndef ZEPHYR_INCLUDE_NET_DUMMY_H_ 14 #define ZEPHYR_INCLUDE_NET_DUMMY_H_ 15 16 #include <zephyr/net/net_if.h> 17 #include <zephyr/net/net_pkt.h> 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 /** 24 * @brief Dummy L2/driver support functions 25 * @defgroup dummy Dummy L2/driver Support Functions 26 * @since 1.14 27 * @version 0.8.0 28 * @ingroup networking 29 * @{ 30 */ 31 32 /** Dummy L2 API operations. */ 33 struct dummy_api { 34 /** 35 * The net_if_api must be placed in first position in this 36 * struct so that we are compatible with network interface API. 37 */ 38 struct net_if_api iface_api; 39 40 /** Send a network packet */ 41 int (*send)(const struct device *dev, struct net_pkt *pkt); 42 43 /** 44 * Receive a network packet (only limited use for this, for example 45 * receiving capturing packets and post processing them). 46 */ 47 enum net_verdict (*recv)(struct net_if *iface, struct net_pkt *pkt); 48 49 /** Start the device. Called when the bound network interface is brought up. */ 50 int (*start)(const struct device *dev); 51 52 /** Stop the device. Called when the bound network interface is taken down. */ 53 int (*stop)(const struct device *dev); 54 }; 55 56 /* Make sure that the network interface API is properly setup inside 57 * dummy API struct (it is the first one). 58 */ 59 BUILD_ASSERT(offsetof(struct dummy_api, iface_api) == 0); 60 61 #ifdef __cplusplus 62 } 63 #endif 64 65 /** 66 * @} 67 */ 68 69 #endif /* ZEPHYR_INCLUDE_NET_DUMMY_H_ */ 70
