06b500b6bd
If the socket is closed, then do CAN detach if that is needed. This way the CAN interrupts are not received if there are no CAN sockets listening the data. Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
89 lines
1.7 KiB
C
89 lines
1.7 KiB
C
/** @file
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* @brief Socket CAN definitions.
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*
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* Definitions for socket CAN support.
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*/
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/*
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* Copyright (c) 2019 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_SOCKET_CAN_H_
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#define ZEPHYR_INCLUDE_NET_SOCKET_CAN_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <zephyr/types.h>
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#include <net/net_ip.h>
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#include <net/net_if.h>
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#include <can.h>
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/**
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* @brief Socket CAN library
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* @defgroup socket_can Network Core Library
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* @ingroup networking
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* @{
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*/
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/* Protocols of the protocol family PF_CAN */
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#define CAN_RAW 1
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/* Socket CAN options */
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#define SOL_CAN_BASE 100
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#define SOL_CAN_RAW (SOL_CAN_BASE + CAN_RAW)
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enum {
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CAN_RAW_FILTER = 1,
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};
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/* Socket CAN MTU size */
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#define CAN_MTU CAN_MAX_DLEN
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/**
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* struct sockaddr_can - The sockaddr structure for CAN sockets
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*
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*/
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struct sockaddr_can {
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sa_family_t can_family;
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int can_ifindex;
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};
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/**
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* CAN L2 driver API. Used by socket CAN.
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*/
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struct canbus_api {
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/**
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* The net_if_api must be placed in first position in this
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* struct so that we are compatible with network interface API.
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*/
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struct net_if_api iface_api;
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/** Send a CAN packet by socket */
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int (*send)(struct device *dev, struct net_pkt *pkt);
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/** Close the related CAN socket */
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void (*close)(struct device *dev, int filter_id);
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/** Set socket CAN option */
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int (*setsockopt)(struct device *dev, void *obj, int level, int optname,
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const void *optval, socklen_t optlen);
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/** Get socket CAN option */
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int (*getsockopt)(struct device *dev, void *obj, int level, int optname,
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const void *optval, socklen_t *optlen);
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};
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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_SOCKET_CAN_H_ */
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