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55 lines
1.8 KiB
55 lines
1.8 KiB
/* 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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