+++ /dev/null
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1998 Apple Computer, Inc.
- */
-
-/* ddp_usrreq.c
- */
-
-#include <sys/errno.h>
-#include <sys/types.h>
-#include <sys/param.h>
-#include <machine/spl.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/filedesc.h>
-#include <sys/fcntl.h>
-#include <sys/mbuf.h>
-#include <sys/ioctl.h>
-#include <sys/malloc.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-#include <sys/protosw.h>
-
-#include <net/if.h>
-
-#include <netat/sysglue.h>
-#include <netat/appletalk.h>
-#include <netat/at_pcb.h>
-#include <netat/at_var.h>
-#include <netat/ddp.h>
-#include <netat/ep.h>
-#include <netat/rtmp.h>
-#include <netat/zip.h>
-#include <netat/routing_tables.h>
-#include <netat/nbp.h>
-
-
-extern at_ifaddr_t *ifID_home;
-extern int xpatcnt;
-
-struct atpcb ddp_head;
-u_long ddp_sendspace = 600, /* *** what should this value be? *** */
- ddp_recvspace = 50 * (600 + sizeof(struct sockaddr_at));
-
-int ddp_pru_control(struct socket *so, u_long cmd, caddr_t data,
- struct ifnet *ifp, __unused struct proc *p)
-{
- return(at_control(so, cmd, data, ifp));
-}
-
-
-int ddp_pru_attach(struct socket *so, int proto,
- __unused struct proc *p)
-{
- int error = 0;
- struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
-
- error = soreserve(so, ddp_sendspace, ddp_recvspace);
- if (error != 0)
- return error;
-
- error = at_pcballoc(so, &ddp_head);
- if (error)
- return error;
- pcb = (struct atpcb *)((so)->so_pcb);
- pcb->pid = proc_selfpid();
- pcb->ddptype = (u_char) proto; /* set in socreate() */
- pcb->proto = ATPROTO_DDP;
-
- return error;
-}
-
-
-int ddp_pru_disconnect(struct socket *so)
-{
-
- int error = 0;
- struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
-
- if (pcb == NULL)
- return (EINVAL);
-
- if ((so->so_state & SS_ISCONNECTED) == 0)
- return ENOTCONN;
-
- soisdisconnected(so);
- at_pcbdetach(pcb);
-
- return error;
-}
-
-
-int ddp_pru_abort(struct socket *so)
-{
- struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
-
- if (pcb == NULL)
- return (EINVAL);
-
- soisdisconnected(so);
- at_pcbdetach(pcb);
-
- return 0;
-}
-
-int ddp_pru_detach(struct socket *so)
-{
- struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
-
- if (pcb == NULL)
- return (EINVAL);
-
- at_pcbdetach(pcb);
- return 0;
-}
-
-int ddp_pru_shutdown(struct socket *so)
-{
- struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
-
- if (pcb == NULL)
- return (EINVAL);
-
- socantsendmore(so);
- return 0;
-}
-
-
-int ddp_pru_bind(struct socket *so, struct sockaddr *nam,
- __unused struct proc *p)
-{
- struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
-
- if (pcb == NULL)
- return (EINVAL);
-
- return (at_pcbbind(pcb, nam));
-}
-
-
-int ddp_pru_send(struct socket *so, __unused int flags, struct mbuf *m,
- struct sockaddr *addr, __unused struct mbuf *control,
- __unused struct proc *p)
-{
- at_ddp_t *ddp = NULL;
- struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
-
- if (pcb == NULL)
- return (EINVAL);
-
- /*
- * Set type to MSG_DATA. Otherwise looped back packet is not
- * recognized by atp_input() and possibly other protocols.
- */
-
- MCHTYPE(m, MSG_DATA);
-
- if (!(pcb->ddp_flags & DDPFLG_HDRINCL)) {
- /* prepend a DDP header */
- M_PREPEND(m, DDP_X_HDR_SIZE, M_WAIT);
- if (m == NULL)
- return ENOBUFS;
- ddp = mtod(m, at_ddp_t *);
- }
-
- if (so->so_state & SS_ISCONNECTED) {
- if (addr)
- return EISCONN;
-
- if (ddp) {
- NET_ASSIGN(ddp->dst_net, pcb->raddr.s_net);
- ddp->dst_node = pcb->raddr.s_node;
- ddp->dst_socket = pcb->rport;
- }
- } else {
- if (addr == NULL)
- return ENOTCONN;
-
- if (ddp) {
- struct sockaddr_at *dst =
- (struct sockaddr_at *) addr;
- NET_ASSIGN(ddp->dst_net, dst->sat_addr.s_net);
- ddp->dst_node = dst->sat_addr.s_node;
- ddp->dst_socket = dst->sat_port;
- }
- }
- if (ddp) {
- DDPLEN_ASSIGN(ddp, m->m_pkthdr.len);
- UAS_ASSIGN_HTON(ddp->checksum,
- (pcb->ddp_flags & DDPFLG_CHKSUM)? 1: 0);
- ddp->type = (pcb->ddptype)? pcb->ddptype: DEFAULT_OT_DDPTYPE;
-#ifdef NOT_YET
- NET_ASSIGN(ddp->src_net, pcb->laddr.s_net);
- ddp->src_node = pcb->laddr.s_node;
- ddp->src_socket = pcb->lport;
-#endif
- } else {
- ddp = mtod(m, at_ddp_t *);
- }
- if (NET_VALUE(ddp->dst_net) == ATADDR_ANYNET &&
- ddp->dst_node == ATADDR_BCASTNODE &&
- (pcb->ddp_flags & DDPFLG_SLFSND)) {
- struct mbuf *n;
-
- if ((n = m_dup(m, M_DONTWAIT))) {
- at_ifaddr_t
- *ifID = ifID_home,
- *ifIDTmp = (at_ifaddr_t *)NULL;
-
- /* as in ddp_output() loop processing, fill in the
- rest of the header */
- ddp = mtod(n, at_ddp_t *);
- if (MULTIHOME_MODE && (ifIDTmp = forUs(ddp)))
- ifID = ifIDTmp;
- NET_ASSIGN(ddp->src_net, ifID->ifThisNode.s_net);
- ddp->src_node = ifID->ifThisNode.s_node;
- ddp->src_socket = pcb->lport;
- if (UAS_VALUE_NTOH(ddp->checksum))
- UAS_ASSIGN_HTON(ddp->checksum, ddp_checksum(m, 4));
- ddp_input(n, ifID);
- }
- }
- return(ddp_output(&m, pcb->lport, FALSE));
-} /* ddp_pru_send */
-
-int ddp_pru_sockaddr(struct socket *so,
- struct sockaddr **nam)
-{
- struct atpcb *pcb;
- struct sockaddr_at *sat;
-
- MALLOC(sat, struct sockaddr_at *, sizeof *sat, M_SONAME, M_WAITOK);
- if (sat == NULL)
- return(ENOMEM);
- bzero((caddr_t)sat, sizeof(*sat));
-
- if ((pcb = sotoatpcb(so)) == NULL) {
- FREE(sat, M_SONAME);
- return(EINVAL);
- }
-
- sat->sat_family = AF_APPLETALK;
- sat->sat_len = sizeof(*sat);
- sat->sat_port = pcb->lport;
- sat->sat_addr = pcb->laddr;
-
- *nam = (struct sockaddr *)sat;
- return(0);
-}
-
-
-int ddp_pru_peeraddr(struct socket *so,
- struct sockaddr **nam)
-{
- struct atpcb *pcb;
- struct sockaddr_at *sat;
-
- MALLOC(sat, struct sockaddr_at *, sizeof *sat, M_SONAME, M_WAITOK);
- if (sat == NULL)
- return (ENOMEM);
- bzero((caddr_t)sat, sizeof(*sat));
-
- if ((pcb = sotoatpcb(so)) == NULL) {
- FREE(sat, M_SONAME);
- return(EINVAL);
- }
-
- sat->sat_family = AF_APPLETALK;
- sat->sat_len = sizeof(*sat);
- sat->sat_port = pcb->rport;
- sat->sat_addr = pcb->raddr;
-
- *nam = (struct sockaddr *)sat;
- return(0);
-}
-
-
-int ddp_pru_connect(struct socket *so, struct sockaddr *nam,
- __unused struct proc *p)
-{
- struct atpcb *pcb = (struct atpcb *)((so)->so_pcb);
- struct sockaddr_at *faddr = (struct sockaddr_at *) nam;
-
- if (pcb != NULL)
- return (EINVAL);
-
- if (xpatcnt == 0)
- return (EADDRNOTAVAIL);
-
- if (faddr->sat_family != AF_APPLETALK)
- return (EAFNOSUPPORT);
-
- pcb->raddr = faddr->sat_addr;
- soisconnected(so);
- return 0;
-}
-
-
-/*
- * One-time AppleTalk initialization
- */
-void ddp_init()
-{
- at_memzone_init();
- ddp_head.atpcb_next = ddp_head.atpcb_prev = &ddp_head;
- init_ddp_handler();
-
- /* Initialize protocols implemented in the kernel */
- add_ddp_handler(EP_SOCKET, ep_input);
- add_ddp_handler(ZIP_SOCKET, zip_router_input);
- add_ddp_handler(NBP_SOCKET, nbp_input);
- add_ddp_handler(DDP_SOCKET_1st_DYNAMIC, sip_input);
-
- ddp_start();
-
- appletalk_hack_start();
-} /* ddp_init */
projects / apple / xnu.git / blobdiff