Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) ST-Ericsson AB 2010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Author:	Sjur Brendeland
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #ifndef CAIF_DEVICE_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define CAIF_DEVICE_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/net.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/caif/caif_socket.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <net/caif/caif_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * struct caif_dev_common - data shared between CAIF drivers and stack.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * @flowctrl:		Flow Control callback function. This function is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  *                      supplied by CAIF Core Stack and is used by CAIF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  *                      Link Layer to send flow-stop to CAIF Core.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  *                      The flow information will be distributed to all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  *                      clients of CAIF.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * @link_select:	Profile of device, either high-bandwidth or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  *			low-latency. This member is set by CAIF Link
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  *			Layer Device in	order to indicate if this device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  *			is a high bandwidth or low latency device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)  * @use_frag:		CAIF Frames may be fragmented.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  *			Is set by CAIF Link Layer in order to indicate if the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  *			interface receives fragmented frames that must be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  *			assembled by CAIF Core Layer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)  * @use_fcs:		Indicate if Frame CheckSum (fcs) is used.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  *			Is set if the physical interface is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  *			using Frame Checksum on the CAIF Frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  * @use_stx:		Indicate STart of frame eXtension (stx) in use.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  *			Is set if the CAIF Link Layer expects
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)  *			CAIF Frames to start with the STX byte.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)  * This structure is shared between the CAIF drivers and the CAIF stack.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)  * It is used by the device to register its behavior.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)  * CAIF Core layer must set the member flowctrl in order to supply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)  * CAIF Link Layer with the flow control function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)  struct caif_dev_common {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	void (*flowctrl)(struct net_device *net, int on);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	enum caif_link_selector link_select;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	int use_frag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	int use_fcs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	int use_stx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #endif	/* CAIF_DEVICE_H_ */