drivers/scsi/iscsi_tcp.h

Source file repositories/reference/linux-study-clean/drivers/scsi/iscsi_tcp.h

File Facts

System
Linux kernel
Corpus path
drivers/scsi/iscsi_tcp.h
Extension
.h
Size
1528 bytes
Lines
63
Domain
Driver Families
Bucket
drivers/scsi
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct iscsi_sw_tcp_send {
	struct iscsi_hdr	*hdr;
	struct iscsi_segment	segment;
	struct iscsi_segment	data_segment;
};

struct iscsi_sw_tcp_conn {
	struct socket		*sock;
	/* Taken when accessing the sock from the netlink/sysfs interface */
	struct mutex		sock_lock;

	struct work_struct	recvwork;
	bool			queue_recv;

	struct iscsi_sw_tcp_send out;
	/* old values for socket callbacks */
	void			(*old_data_ready)(struct sock *);
	void			(*old_state_change)(struct sock *);
	void			(*old_write_space)(struct sock *);

	/* data and header digests */
	u32			tx_crc;	/* CRC32C (Tx) */
	u32			rx_crc;	/* CRC32C (Rx) */

	/* MIB custom statistics */
	uint32_t		sendpage_failures_cnt;
	uint32_t		discontiguous_hdr_cnt;
};

struct iscsi_sw_tcp_host {
	struct iscsi_session	*session;
};

struct iscsi_sw_tcp_hdrbuf {
	struct iscsi_hdr	hdrbuf;
	char			hdrextbuf[ISCSI_MAX_AHS_SIZE +
		                                  ISCSI_DIGEST_SIZE];
};

#endif /* ISCSI_SW_TCP_H */

Annotation

Implementation Notes