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Annotation of 42BSD/sys/net/raw_cb.h, revision 1.1.1.1

1.1       root        1: /*     raw_cb.h        6.1     83/07/29        */
                      2: 
                      3: /*
                      4:  * Raw protocol interface control block.  Used
                      5:  * to tie a socket to the generic raw interface.
                      6:  */
                      7: struct rawcb {
                      8:        struct  rawcb *rcb_next;        /* doubly linked list */
                      9:        struct  rawcb *rcb_prev;
                     10:        struct  socket *rcb_socket;     /* back pointer to socket */
                     11:        struct  sockaddr rcb_faddr;     /* destination address */
                     12:        struct  sockaddr rcb_laddr;     /* socket's address */
                     13:        caddr_t rcb_pcb;                /* protocol specific stuff */
                     14:        struct  route rcb_route;        /* routing information */
                     15:        short   rcb_flags;
                     16: };
                     17: 
                     18: /*
                     19:  * Since we can't interpret canonical addresses,
                     20:  * we mark an address present in the flags field.
                     21:  */
                     22: #define        RAW_LADDR       01
                     23: #define        RAW_FADDR       02
                     24: #define        RAW_DONTROUTE   04              /* no routing, default */
                     25: 
                     26: #define        sotorawcb(so)           ((struct rawcb *)(so)->so_pcb)
                     27: 
                     28: /*
                     29:  * Nominal space allocated to a raw socket.
                     30:  */
                     31: #define        RAWSNDQ         2048
                     32: #define        RAWRCVQ         2048
                     33: 
                     34: /*
                     35:  * Format of raw interface header prepended by
                     36:  * raw_input after call from protocol specific
                     37:  * input routine.
                     38:  */
                     39: struct raw_header {
                     40:        struct  sockproto raw_proto;    /* format of packet */
                     41:        struct  sockaddr raw_dst;       /* dst address for rawintr */
                     42:        struct  sockaddr raw_src;       /* src address for sbappendaddr */
                     43: };
                     44: 
                     45: #ifdef KERNEL
                     46: struct rawcb rawcb;                    /* head of list */
                     47: #endif

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