/* * Copyright (c) 1980, 1986 Regents of the University of California. * All rights reserved. * * Redistribution is only permitted until one year after the first shipment * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and * binary forms are permitted provided that: (1) source distributions retain * this entire copyright notice and comment, and (2) distributions including * binaries display the following acknowledgement: This product includes * software developed by the University of California, Berkeley and its * contributors'' in the documentation or other materials provided with the * distribution and in all advertising materials mentioning features or use * of this software. Neither the name of the University nor the names of * its contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)raw_cb.c 7.11 (Berkeley) 6/28/90 */ #include "param.h" #include "systm.h" #include "mbuf.h" #include "socket.h" #include "socketvar.h" #include "domain.h" #include "protosw.h" #include "errno.h" #include "if.h" #include "route.h" #include "raw_cb.h" #include "../netinet/in.h" #include "machine/mtpr.h" /* * Routines to manage the raw protocol control blocks. * * TODO: * hash lookups by protocol family/protocol + address family * take care of unique address problems per AF? * redo address binding to allow wildcards */ u_long raw_sendspace = RAWSNDQ; u_long raw_recvspace = RAWRCVQ; /* * Allocate a control block and a nominal amount * of buffer space for the socket. */ raw_attach(so, proto) register struct socket *so; int proto; { register struct rawcb *rp = sotorawcb(so); int error; /* * It is assumed that raw_attach is called * after space has been allocated for the * rawcb. */ if (rp == 0) return (ENOBUFS); if (error = soreserve(so, raw_sendspace, raw_recvspace)) return (error); rp->rcb_socket = so; rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family; rp->rcb_proto.sp_protocol = proto; insque(rp, &rawcb); return (0); } /* * Detach the raw connection block and discard * socket resources. */ raw_detach(rp) register struct rawcb *rp; { struct socket *so = rp->rcb_socket; so->so_pcb = 0; sofree(so); remque(rp); #ifdef notdef if (rp->rcb_laddr) m_freem(dtom(rp->rcb_laddr)); rp->rcb_laddr = 0; #endif free((caddr_t)(rp), M_PCB); } /* * Disconnect and possibly release resources. */ raw_disconnect(rp) struct rawcb *rp; { #ifdef notdef if (rp->rcb_faddr) m_freem(dtom(rp->rcb_faddr)); rp->rcb_faddr = 0; #endif if (rp->rcb_socket->so_state & SS_NOFDREF) raw_detach(rp); } #ifdef notdef raw_bind(so, nam) register struct socket *so; struct mbuf *nam; { struct sockaddr *addr = mtod(nam, struct sockaddr *); register struct rawcb *rp; if (ifnet == 0) return (EADDRNOTAVAIL); rp = sotorawcb(so); nam = m_copym(nam, 0, M_COPYALL, M_WAITOK); rp->rcb_laddr = mtod(nam, struct sockaddr *); return (0); } #endif