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Annotation of 43BSDTahoe/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.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  *
                     17:  *     @(#)raw_cb.h    7.3 (Berkeley) 6/27/88
                     18:  */
                     19: 
                     20: /*
                     21:  * Raw protocol interface control block.  Used
                     22:  * to tie a socket to the generic raw interface.
                     23:  */
                     24: struct rawcb {
                     25:        struct  rawcb *rcb_next;        /* doubly linked list */
                     26:        struct  rawcb *rcb_prev;
                     27:        struct  socket *rcb_socket;     /* back pointer to socket */
                     28:        struct  sockaddr rcb_faddr;     /* destination address */
                     29:        struct  sockaddr rcb_laddr;     /* socket's address */
                     30:        struct  sockproto rcb_proto;    /* protocol family, protocol */
                     31:        caddr_t rcb_pcb;                /* protocol specific stuff */
                     32:        struct  mbuf *rcb_options;      /* protocol specific options */
                     33:        struct  route rcb_route;        /* routing information */
                     34:        short   rcb_flags;
                     35: };
                     36: 
                     37: /*
                     38:  * Since we can't interpret canonical addresses,
                     39:  * we mark an address present in the flags field.
                     40:  */
                     41: #define        RAW_LADDR       01
                     42: #define        RAW_FADDR       02
                     43: #define        RAW_DONTROUTE   04              /* no routing, default */
                     44: 
                     45: #define        sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)
                     46: 
                     47: /*
                     48:  * Nominal space allocated to a raw socket.
                     49:  */
                     50: #define        RAWSNDQ         2048
                     51: #define        RAWRCVQ         2048
                     52: 
                     53: /*
                     54:  * Format of raw interface header prepended by
                     55:  * raw_input after call from protocol specific
                     56:  * input routine.
                     57:  */
                     58: struct raw_header {
                     59:        struct  sockproto raw_proto;    /* format of packet */
                     60:        struct  sockaddr raw_dst;       /* dst address for rawintr */
                     61:        struct  sockaddr raw_src;       /* src address for sbappendaddr */
                     62: };
                     63: 
                     64: #ifdef KERNEL
                     65: struct rawcb rawcb;                    /* head of list */
                     66: #endif

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