socket_can.h

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/*
 * Copyright (c) 2019 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_NET_SOCKET_CAN_H_
#define ZEPHYR_INCLUDE_NET_SOCKET_CAN_H_
 
#include <zephyr/types.h>
#include <net/net_ip.h>
#include <net/net_if.h>
#include <drivers/can.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Protocols of the protocol family PF_CAN */
#define CAN_RAW 1
 
/* Socket CAN options */
#define SOL_CAN_BASE 100
#define SOL_CAN_RAW (SOL_CAN_BASE + CAN_RAW)
 
enum {
        CAN_RAW_FILTER = 1,
};
 
/* Socket CAN MTU size */
#define CAN_MTU         CAN_MAX_DLEN
 
struct sockaddr_can {
        sa_family_t can_family;
        int         can_ifindex;
};
 
struct canbus_api {
        struct net_if_api iface_api;
 
        int (*send)(const struct device *dev, struct net_pkt *pkt);
 
        void (*close)(const struct device *dev, int filter_id);
 
        int (*setsockopt)(const struct device *dev, void *obj, int level,
                          int optname,
                          const void *optval, socklen_t optlen);
 
        int (*getsockopt)(const struct device *dev, void *obj, int level,
                          int optname,
                          const void *optval, socklen_t *optlen);
};
 
/* Make sure that the network interface API is properly setup inside
 * CANBUS API struct (it is the first one).
 */
BUILD_ASSERT(offsetof(struct canbus_api, iface_api) == 0);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_NET_SOCKET_CAN_H_ */