diff options
| author | Sjur Braendeland <sjur.brandeland@stericsson.com> | 2010-03-30 17:56:22 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-03-31 06:08:45 +0400 |
| commit | 2721c5b9dd2a56a9710021c00146bb26ba8dd7b3 (patch) | |
| tree | 1edf5d8a02e2bc3e6a2860f83035e4d97e325419 /include/net/caif/caif_device.h | |
| parent | 09009f30de188c847d72039e6250bfea56a0f887 (diff) | |
| download | linux-2721c5b9dd2a56a9710021c00146bb26ba8dd7b3.tar.xz | |
net-caif: add CAIF Link layer device header files
Header files for CAIF Link layer net-device,
and link-layer registration.
Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/caif/caif_device.h')
| -rw-r--r-- | include/net/caif/caif_device.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/net/caif/caif_device.h b/include/net/caif/caif_device.h new file mode 100644 index 000000000000..d02f044adb8a --- /dev/null +++ b/include/net/caif/caif_device.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) ST-Ericsson AB 2010 + * Author: Sjur Brendeland/ sjur.brandeland@stericsson.com + * License terms: GNU General Public License (GPL) version 2 + */ + +#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_ */ |