/* 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_ */