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firewire: Change struct fw_cdev_iso_packet to not use bitfields.

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The struct is part of the userspace interface and can not use
bitfields.  This patch replaces the bitfields with a __u32 'control'
word and provides access macros to set the bits.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Kristian Høgsberg 2007-05-31 11:16:43 -04:00 • committed by Stefan Richter
parent 2aef469a35
commit 1ca31ae7cf
2 changed files with 24 additions and 7 deletions
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14
include/linux/firewire-cdev.h
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@ -198,13 +198,15 @@ struct fw_cdev_create_iso_context {
__u32 handle;
};
#define FW_CDEV_ISO_PAYLOAD_LENGTH(v) (v)
#define FW_CDEV_ISO_INTERRUPT (1 << 16)
#define FW_CDEV_ISO_SKIP (1 << 17)
#define FW_CDEV_ISO_TAG(v) ((v) << 18)
#define FW_CDEV_ISO_SY(v) ((v) << 20)
#define FW_CDEV_ISO_HEADER_LENGTH(v) ((v) << 24)
struct fw_cdev_iso_packet {
__u16 payload_length; /* Length of indirect payload. */
__u32 interrupt : 1; /* Generate interrupt on this packet */
__u32 skip : 1; /* Set to not send packet at all. */
__u32 tag : 2;
__u32 sy : 4;
__u32 header_length : 8; /* Length of immediate header. */
__u32 control;
__u32 header[0];
};