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Annotation of 43BSD/sys/net/raw_cb.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980, 1986 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  *
                      6:  *     @(#)raw_cb.h    7.1 (Berkeley) 6/4/86
                      7:  */
                      8: 
                      9: /*
                     10:  * Raw protocol interface control block.  Used
                     11:  * to tie a socket to the generic raw interface.
                     12:  */
                     13: struct rawcb {
                     14:        struct  rawcb *rcb_next;        /* doubly linked list */
                     15:        struct  rawcb *rcb_prev;
                     16:        struct  socket *rcb_socket;     /* back pointer to socket */
                     17:        struct  sockaddr rcb_faddr;     /* destination address */
                     18:        struct  sockaddr rcb_laddr;     /* socket's address */
                     19:        struct  sockproto rcb_proto;    /* protocol family, protocol */
                     20:        caddr_t rcb_pcb;                /* protocol specific stuff */
                     21:        struct  mbuf *rcb_options;      /* protocol specific options */
                     22:        struct  route rcb_route;        /* routing information */
                     23:        short   rcb_flags;
                     24: };
                     25: 
                     26: /*
                     27:  * Since we can't interpret canonical addresses,
                     28:  * we mark an address present in the flags field.
                     29:  */
                     30: #define        RAW_LADDR       01
                     31: #define        RAW_FADDR       02
                     32: #define        RAW_DONTROUTE   04              /* no routing, default */
                     33: 
                     34: #define        sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)
                     35: 
                     36: /*
                     37:  * Nominal space allocated to a raw socket.
                     38:  */
                     39: #define        RAWSNDQ         2048
                     40: #define        RAWRCVQ         2048
                     41: 
                     42: /*
                     43:  * Format of raw interface header prepended by
                     44:  * raw_input after call from protocol specific
                     45:  * input routine.
                     46:  */
                     47: struct raw_header {
                     48:        struct  sockproto raw_proto;    /* format of packet */
                     49:        struct  sockaddr raw_dst;       /* dst address for rawintr */
                     50:        struct  sockaddr raw_src;       /* src address for sbappendaddr */
                     51: };
                     52: 
                     53: #ifdef KERNEL
                     54: struct rawcb rawcb;                    /* head of list */
                     55: #endif

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