include/uapi/linux/if_hippi.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/if_hippi.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/if_hippi.h
Extension
.h
Size
4250 bytes
Lines
155
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct hipnet_statistics {
	int	rx_packets;		/* total packets received	*/
	int	tx_packets;		/* total packets transmitted	*/
	int	rx_errors;		/* bad packets received		*/
	int	tx_errors;		/* packet transmit problems	*/
	int	rx_dropped;		/* no space in linux buffers	*/
	int	tx_dropped;		/* no space available in linux	*/

	/* detailed rx_errors: */
	int	rx_length_errors;
	int	rx_over_errors;		/* receiver ring buff overflow	*/
	int	rx_crc_errors;		/* recved pkt with crc error	*/
	int	rx_frame_errors;	/* recv'd frame alignment error */
	int	rx_fifo_errors;		/* recv'r fifo overrun		*/
	int	rx_missed_errors;	/* receiver missed packet	*/

	/* detailed tx_errors */
	int	tx_aborted_errors;
	int	tx_carrier_errors;
	int	tx_fifo_errors;
	int	tx_heartbeat_errors;
	int	tx_window_errors;
};


struct hippi_fp_hdr {
#if 0
	__u8		ulp;				/* must contain 4 */
#if defined (__BIG_ENDIAN_BITFIELD)
	__u8		d1_data_present:1;		/* must be 1 */
	__u8		start_d2_burst_boundary:1;	/* must be zero */
	__u8		reserved:6;			/* must be zero */
#if 0
	__u16		reserved1:5;
	__u16		d1_area_size:8;			/* must be 3 */
	__u16		d2_offset:3;			/* must be zero */
#endif
#elif defined(__LITTLE_ENDIAN_BITFIELD)
	__u8		reserved:6;			/* must be zero */
	__u8	 	start_d2_burst_boundary:1;	/* must be zero */
	__u8		d1_data_present:1;		/* must be 1 */
#if 0
	__u16		d2_offset:3;			/* must be zero */
	__u16		d1_area_size:8;			/* must be 3 */
	__u16		reserved1:5;			/* must be zero */
#endif
#else
#error	"Please fix <asm/byteorder.h>"
#endif
#else
	__be32		fixed;
#endif
	__be32		d2_size;
} __attribute__((packed));

struct hippi_le_hdr {
#if defined (__BIG_ENDIAN_BITFIELD)
	__u8		fc:3;
	__u8		double_wide:1;
	__u8		message_type:4;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
	__u8		message_type:4;
	__u8		double_wide:1;
	__u8		fc:3;
#endif
	__u8		dest_switch_addr[3];
#if defined (__BIG_ENDIAN_BITFIELD)
	__u8		dest_addr_type:4,
			src_addr_type:4;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
	__u8		src_addr_type:4,
			dest_addr_type:4;
#endif
	__u8		src_switch_addr[3];
	__u16		reserved;
	__u8		daddr[HIPPI_ALEN];
	__u16		locally_administered;
	__u8		saddr[HIPPI_ALEN];
} __attribute__((packed));

#define HIPPI_OUI_LEN	3
/*
 * Looks like the dsap and ssap fields have been swapped by mistake in
 * RFC 2067 "IP over HIPPI".
 */
struct hippi_snap_hdr {
	__u8	dsap;			/* always 0xAA */
	__u8	ssap;			/* always 0xAA */
	__u8	ctrl;			/* always 0x03 */
	__u8	oui[HIPPI_OUI_LEN];	/* organizational universal id (zero)*/

Annotation

Implementation Notes