linux_dsm_epyc7002/include/linux/can/core.h
Oliver Hartkopp fba76a5845 can: Add SPDX license identifiers for CAN subsystem
Add missing SPDX identifiers for the CAN network layer and correct the SPDX
license for two of its include files to make sure the BSD-3-Clause applies
for the entire subsystem.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2019-07-24 10:31:55 +02:00

62 lines
1.7 KiB
C

/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
/*
* linux/can/core.h
*
* Protoypes and definitions for CAN protocol modules using the PF_CAN core
*
* Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
* Urs Thuermann <urs.thuermann@volkswagen.de>
* Copyright (c) 2002-2017 Volkswagen Group Electronic Research
* All rights reserved.
*
*/
#ifndef _CAN_CORE_H
#define _CAN_CORE_H
#include <linux/can.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#define CAN_VERSION "20170425"
/* increment this number each time you change some user-space interface */
#define CAN_ABI_VERSION "9"
#define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION
#define DNAME(dev) ((dev) ? (dev)->name : "any")
/**
* struct can_proto - CAN protocol structure
* @type: type argument in socket() syscall, e.g. SOCK_DGRAM.
* @protocol: protocol number in socket() syscall.
* @ops: pointer to struct proto_ops for sock->ops.
* @prot: pointer to struct proto structure.
*/
struct can_proto {
int type;
int protocol;
const struct proto_ops *ops;
struct proto *prot;
};
/* function prototypes for the CAN networklayer core (af_can.c) */
extern int can_proto_register(const struct can_proto *cp);
extern void can_proto_unregister(const struct can_proto *cp);
int can_rx_register(struct net *net, struct net_device *dev,
canid_t can_id, canid_t mask,
void (*func)(struct sk_buff *, void *),
void *data, char *ident, struct sock *sk);
extern void can_rx_unregister(struct net *net, struct net_device *dev,
canid_t can_id, canid_t mask,
void (*func)(struct sk_buff *, void *),
void *data);
extern int can_send(struct sk_buff *skb, int loop);
#endif /* !_CAN_CORE_H */