[unix-history] / usr / src / sys / netinet / in_pcb.h

/*	in_pcb.h	4.1	81/11/20	*/

/*
 * Common structure pcb for internet protocol implementation.
 * Here are stored pointers to local and foreign host table
 * entries, local and foreign socket numbers, and pointers
 * up (to a socket structure) and down (to a protocol-specific)
 * control block.
 */
struct inpcb {
	struct	inpcb *inp_next,*inp_prev;
					/* pointers to other pcb's */
	struct	in_addr inp_faddr;	/* foreign host table entry */
	u_short	inp_fport;		/* foreign port */
	struct	in_addr inp_laddr;	/* local host table entry */
	u_short	inp_lport;		/* local port */
	struct	socket *inp_socket;	/* back pointer to socket */
	caddr_t	inp_ppcb;		/* pointer to per-protocol pcb */
};

#define	sotoinpcb(so)	((struct inpcb *)(so)->so_pcb)

#ifdef KERNEL
struct	inpcb *in_pcblookup();
#endif
Commit	Line	Data
bae4854b BJ	1	/* in_pcb.h 4.1 81/11/20 */
	2
	3	/*
	4	* Common structure pcb for internet protocol implementation.
	5	* Here are stored pointers to local and foreign host table
	6	* entries, local and foreign socket numbers, and pointers
	7	* up (to a socket structure) and down (to a protocol-specific)
	8	* control block.
	9	*/
	10	struct inpcb {
	11	struct inpcb inp_next,inp_prev;
	12	/* pointers to other pcb's */
	13	struct in_addr inp_faddr; /* foreign host table entry */
	14	u_short inp_fport; /* foreign port */
	15	struct in_addr inp_laddr; /* local host table entry */
	16	u_short inp_lport; /* local port */
	17	struct socket inp_socket; / back pointer to socket */
	18	caddr_t inp_ppcb; /* pointer to per-protocol pcb */
	19	};
	20
	21	#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb)
	22
	23	#ifdef KERNEL
	24	struct inpcb *in_pcblookup();
	25	#endif