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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) ST-Ericsson AB 2010
* Author: Sjur Brendeland
*/
#ifndef CAIF_DEVICE_H_
#define CAIF_DEVICE_H_
#include <linux/kernel.h>
#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/caif/caif_socket.h>
#include <net/caif/caif_device.h>
/**
* struct caif_dev_common - data shared between CAIF drivers and stack.
* @flowctrl: Flow Control callback function. This function is
* supplied by CAIF Core Stack and is used by CAIF
* Link Layer to send flow-stop to CAIF Core.
* The flow information will be distributed to all
* clients of CAIF.
*
* @link_select: Profile of device, either high-bandwidth or
* low-latency. This member is set by CAIF Link
* Layer Device in order to indicate if this device
* is a high bandwidth or low latency device.
*
* @use_frag: CAIF Frames may be fragmented.
* Is set by CAIF Link Layer in order to indicate if the
* interface receives fragmented frames that must be
* assembled by CAIF Core Layer.
*
* @use_fcs: Indicate if Frame CheckSum (fcs) is used.
* Is set if the physical interface is
* using Frame Checksum on the CAIF Frames.
*
* @use_stx: Indicate STart of frame eXtension (stx) in use.
* Is set if the CAIF Link Layer expects
* CAIF Frames to start with the STX byte.
*
* This structure is shared between the CAIF drivers and the CAIF stack.
* It is used by the device to register its behavior.
* CAIF Core layer must set the member flowctrl in order to supply
* CAIF Link Layer with the flow control function.
*
*/
struct caif_dev_common {
void (*flowctrl)(struct net_device *net, int on);
enum caif_link_selector link_select;
int use_frag;
int use_fcs;
int use_stx;
};
#endif /* CAIF_DEVICE_H_ */