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af873fcece
Based on 1 normalized pattern(s): license terms gnu general public license gpl version 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 161 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170027.447718015@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) ST-Ericsson AB 2010
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* Author: Sjur Brendeland
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*/
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#ifndef CAIF_DEVICE_H_
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#define CAIF_DEVICE_H_
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#include <linux/kernel.h>
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#include <linux/net.h>
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#include <linux/netdevice.h>
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#include <linux/caif/caif_socket.h>
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#include <net/caif/caif_device.h>
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/**
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* struct caif_dev_common - data shared between CAIF drivers and stack.
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* @flowctrl: Flow Control callback function. This function is
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* supplied by CAIF Core Stack and is used by CAIF
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* Link Layer to send flow-stop to CAIF Core.
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* The flow information will be distributed to all
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* clients of CAIF.
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*
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* @link_select: Profile of device, either high-bandwidth or
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* low-latency. This member is set by CAIF Link
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* Layer Device in order to indicate if this device
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* is a high bandwidth or low latency device.
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*
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* @use_frag: CAIF Frames may be fragmented.
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* Is set by CAIF Link Layer in order to indicate if the
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* interface receives fragmented frames that must be
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* assembled by CAIF Core Layer.
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*
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* @use_fcs: Indicate if Frame CheckSum (fcs) is used.
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* Is set if the physical interface is
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* using Frame Checksum on the CAIF Frames.
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*
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* @use_stx: Indicate STart of frame eXtension (stx) in use.
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* Is set if the CAIF Link Layer expects
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* CAIF Frames to start with the STX byte.
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*
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* This structure is shared between the CAIF drivers and the CAIF stack.
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* It is used by the device to register its behavior.
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* CAIF Core layer must set the member flowctrl in order to supply
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* CAIF Link Layer with the flow control function.
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*
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*/
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struct caif_dev_common {
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void (*flowctrl)(struct net_device *net, int on);
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enum caif_link_selector link_select;
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int use_frag;
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int use_fcs;
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int use_stx;
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};
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#endif /* CAIF_DEVICE_H_ */
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