date and time created 82/02/01 12:59:36 by root

[unix-history] / usr / src / sys / net / raw_cb.h

/*      raw_cb.h        4.1     82/02/01        */

/*
* Raw protocol interface control block.  Used
* to tie a socket to the generic raw interface.
*/
struct rawcb {
       struct  rawcb *rcb_next;        /* doubly linked list */
       struct  rawcb *rcb_prev;
       struct  socket *rcb_socket;     /* back pointer to socket */
       struct  sockaddr rcb_addr;      /* destination address */
       caddr_t rcb_pcb;                /* protocol specific stuff */
       short   rcb_flags;
};

/*
* Since we can't interpret canonical addresses,
* we mark an address present in the flags field.
*/
#define RAW_ADDR        01              /* got an address */

#define sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)

/*
* Nominal space allocated to a raw socket.
*/
#define RAWSNDQ         2048
#define RAWRCVQ         2048

/*
* Format of raw interface header appended by
* raw_input after call from protocol specific input routine.
*/
struct raw_header {
       struct  sockproto raw_protocol;
       struct  sockaddr raw_address;
};

#ifdef KERNEL
struct rawcb rawcb;                     /* head of list */
#endif