1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* 2 /*
3 * Copyright (C) ST-Ericsson AB 2010 3 * Copyright (C) ST-Ericsson AB 2010
4 * Author: Sjur Brendeland 4 * Author: Sjur Brendeland
5 */ 5 */
6 6
7 #ifndef CAIF_DEVICE_H_ 7 #ifndef CAIF_DEVICE_H_
8 #define CAIF_DEVICE_H_ 8 #define CAIF_DEVICE_H_
9 #include <linux/kernel.h> 9 #include <linux/kernel.h>
10 #include <linux/net.h> 10 #include <linux/net.h>
11 #include <linux/netdevice.h> 11 #include <linux/netdevice.h>
12 #include <linux/caif/caif_socket.h> 12 #include <linux/caif/caif_socket.h>
13 #include <net/caif/caif_device.h> 13 #include <net/caif/caif_device.h>
14 14
15 /** 15 /**
16 * struct caif_dev_common - data shared betwee 16 * struct caif_dev_common - data shared between CAIF drivers and stack.
17 * @flowctrl: Flow Control callback 17 * @flowctrl: Flow Control callback function. This function is
18 * supplied by CAIF Core 18 * supplied by CAIF Core Stack and is used by CAIF
19 * Link Layer to send flo 19 * Link Layer to send flow-stop to CAIF Core.
20 * The flow information w 20 * The flow information will be distributed to all
21 * clients of CAIF. 21 * clients of CAIF.
22 * 22 *
23 * @link_select: Profile of device, eit 23 * @link_select: Profile of device, either high-bandwidth or
24 * low-latency. This memb 24 * low-latency. This member is set by CAIF Link
25 * Layer Device in order 25 * Layer Device in order to indicate if this device
26 * is a high bandwidth or 26 * is a high bandwidth or low latency device.
27 * 27 *
28 * @use_frag: CAIF Frames may be fra 28 * @use_frag: CAIF Frames may be fragmented.
29 * Is set by CAIF Link La 29 * Is set by CAIF Link Layer in order to indicate if the
30 * interface receives fra 30 * interface receives fragmented frames that must be
31 * assembled by CAIF Core 31 * assembled by CAIF Core Layer.
32 * 32 *
33 * @use_fcs: Indicate if Frame Chec 33 * @use_fcs: Indicate if Frame CheckSum (fcs) is used.
34 * Is set if the physical 34 * Is set if the physical interface is
35 * using Frame Checksum o 35 * using Frame Checksum on the CAIF Frames.
36 * 36 *
37 * @use_stx: Indicate STart of fram 37 * @use_stx: Indicate STart of frame eXtension (stx) in use.
38 * Is set if the CAIF Lin 38 * Is set if the CAIF Link Layer expects
39 * CAIF Frames to start w 39 * CAIF Frames to start with the STX byte.
40 * 40 *
41 * This structure is shared between the CAIF d 41 * This structure is shared between the CAIF drivers and the CAIF stack.
42 * It is used by the device to register its be 42 * It is used by the device to register its behavior.
43 * CAIF Core layer must set the member flowctr 43 * CAIF Core layer must set the member flowctrl in order to supply
44 * CAIF Link Layer with the flow control funct 44 * CAIF Link Layer with the flow control function.
45 * 45 *
46 */ 46 */
47 struct caif_dev_common { 47 struct caif_dev_common {
48 void (*flowctrl)(struct net_device *ne 48 void (*flowctrl)(struct net_device *net, int on);
49 enum caif_link_selector link_select; 49 enum caif_link_selector link_select;
50 int use_frag; 50 int use_frag;
51 int use_fcs; 51 int use_fcs;
52 int use_stx; 52 int use_stx;
53 }; 53 };
54 54
55 #endif /* CAIF_DEVICE_H_ */ 55 #endif /* CAIF_DEVICE_H_ */
56 56
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.