[apple/xnu.git] / bsd / netat / aurp_rx.c

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_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_LICENSE_OSREFERENCE_HEADER_END@
 */
/*
 *	Copyright (c) 1996 Apple Computer, Inc. 
 *
 *		Created April 8, 1996 by Tuyen Nguyen
 *		Modified for Kernel execution, May, 1996, Justin C. Walker
 *   Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
 *
 *	File: rx.c
 */
#ifdef AURP_SUPPORT

#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/socket.h>
#include <sys/socketvar.h>
#include <net/if.h>

#include <netat/sysglue.h>
#include <netat/appletalk.h>
#include <netat/at_var.h>
#include <netat/routing_tables.h>
#include <netat/at_pcb.h>
#include <netat/aurp.h>
#include <netat/debug.h>

/*
 * Not using the stream queue for data; keep this around to handle
 *  requests from the user proc (mostly setup).
 */
int
aurp_wput(gref, m)
	gref_t *gref;
	gbuf_t *m;
{
	register ioc_t *iocbp;
	register gbuf_t *mdata;
	register int temp, error;

	switch (gbuf_type(m)) {

	case MSG_IOCTL:
		iocbp = (ioc_t *)gbuf_rptr(m);
		switch (iocbp->ioc_cmd) {
		case AUC_CFGTNL: /* set up a tunnel, init the AURP daemon */
			mdata = gbuf_cont(m);
			temp = (int)(*gbuf_rptr(mdata));
			if (temp != dst_addr_cnt) {
				AURPiocnak(gref, m, ENOSPC);
				return 0;
			}
			if ((error = aurpd_start()) != 0) {
				AURPiocnak(gref, m, error);
				return 0;
			}
			if (AURPinit()) {
				AURPiocnak(gref, m, ENOMEM);
				return 0;
			}
			ddp_AURPfuncx(AURPCODE_AURPPROTO, 0, 0);
			AURPaccess();
			break;

		case AUC_SHTDOWN: /* shutdown AURP operation */
			AURPshutdown();
			break;

		case AUC_EXPNET: /* configure networks to be exported */
		case AUC_HIDENET: /* configure networks to be hiden */
			mdata = gbuf_cont(m);
			net_access_cnt = (gbuf_len(mdata))/sizeof(short);
			if ((net_access_cnt==0) || (net_access_cnt>AURP_MaxNetAccess)) {
				AURPiocnak(gref, m, EINVAL);
				return 0;
			}
			bcopy(gbuf_rptr(mdata), net_access,
			      gbuf_len(mdata));
			if (iocbp->ioc_cmd == AUC_EXPNET)
				net_export = 1;
			break;

		case AUC_UDPPORT:
			mdata = gbuf_cont(m);
			aurp_global.udp_port = *(char *)gbuf_rptr(mdata);
			break;

		case AUC_NETLIST:
			mdata = gbuf_cont(m);
			/*
			 * Compute # addrs, Save for later check
			 * We cheat with a shift.
			 */
			dst_addr_cnt = ((gbuf_len(mdata)) >> 2)-1;
			bcopy(gbuf_rptr(mdata), &aurp_global.dst_addr,
			      gbuf_len(mdata));
			aurp_global.src_addr = aurp_global.dst_addr[0];
			aurp_global.dst_addr[0] = 0;
			break;

		default:
			AURPiocnak(gref, m, EINVAL);
			return 0;
		}
		AURPiocack(gref, m);
		break;

	default:
		dPrintf(D_M_AURP, D_L_WARNING,
			("aurp_wput: bad msg type=%d\n", gbuf_type(m)));
		gbuf_freem(m);
		break;
	}

	return 0;
}

/*
 * Insert an appletalk packet into the appletalk stack.
 * If it's an AURP data packet, just send it up; if it's AURP protocol,
 *  switch out here.
 */

int
at_insert(m, type, node)
	register gbuf_t *m;
	register unsigned int type, node;
{
	register aurp_hdr_t *hdrp;
	register aurp_state_t *state;

	if (type == AUD_Atalk)
		/* non-AURP proto packet */
		ddp_AURPfuncx(AURPCODE_DATAPKT, m, node);
	else
	{	/* AURP proto packet */
		state = (aurp_state_t *)&aurp_state[node];
		state->tickle_retry = 0;
		hdrp = (aurp_hdr_t *)gbuf_rptr(m);

		switch (hdrp->command_code) {
		case AURPCMD_RIUpd:
			AURPrcvRIUpd(state, m); break;

		case AURPCMD_RIReq:
			AURPrcvRIReq(state, m); break;

		case AURPCMD_RIRsp:
			AURPrcvRIRsp(state, m); break;

		case AURPCMD_RIAck:
			AURPrcvRIAck(state, m); break;

		case AURPCMD_ZReq:
			AURPrcvZReq(state, m); break;

		case AURPCMD_ZRsp:
			AURPrcvZRsp(state, m); break;

		case AURPCMD_OpenReq:
			AURPrcvOpenReq(state, m); break;

		case AURPCMD_OpenRsp:
			AURPrcvOpenRsp(state, m); break;

		case AURPCMD_Tickle:
			AURPrcvTickle(state, m); break;

		case AURPCMD_TickleAck:
			AURPrcvTickleAck(state, m); break;

		case AURPCMD_RDReq:
			AURPrcvRDReq(state, m); break;

		default:
			dPrintf(D_M_AURP, D_L_WARNING,
				("at_insert: bad proto cmd=%d\n",
				hdrp->command_code));
			gbuf_freem(m);
		}
	}

	return 0;
}

#endif  /* AURP_SUPPORT */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
8ad349bb	4	* @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b	5	*
8ad349bb A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the
	10	* License may not be used to create, or enable the creation or
	11	* redistribution of, unlawful or unlicensed copies of an Apple operating
	12	* system, or to circumvent, violate, or enable the circumvention or
	13	* violation of, any terms of an Apple operating system software license
	14	* agreement.
	15	*
	16	* Please obtain a copy of the License at
	17	* http://www.opensource.apple.com/apsl/ and read it before using this
	18	* file.
	19	*
	20	* The Original Code and all software distributed under the License are
	21	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	22	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	23	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	25	* Please see the License for the specific language governing rights and
	26	* limitations under the License.
	27	*
	28	* @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b A	29	*/
	30	/*
	31	* Copyright (c) 1996 Apple Computer, Inc.
	32	*
	33	* Created April 8, 1996 by Tuyen Nguyen
	34	* Modified for Kernel execution, May, 1996, Justin C. Walker
	35	* Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
	36	*
	37	* File: rx.c
	38	*/
5d5c5d0d A	39	#ifdef AURP_SUPPORT
5d5c5d0d A	40
1c79356b A	41	#include <sys/errno.h>
	42	#include <sys/types.h>
	43	#include <sys/param.h>
	44	#include <machine/spl.h>
	45	#include <sys/systm.h>
	46	#include <sys/kernel.h>
	47	#include <sys/proc.h>
	48	#include <sys/filedesc.h>
	49	#include <sys/fcntl.h>
	50	#include <sys/mbuf.h>
	51	#include <sys/socket.h>
	52	#include <sys/socketvar.h>
	53	#include <net/if.h>
	54
	55	#include <netat/sysglue.h>
	56	#include <netat/appletalk.h>
	57	#include <netat/at_var.h>
	58	#include <netat/routing_tables.h>
	59	#include <netat/at_pcb.h>
	60	#include <netat/aurp.h>
	61	#include <netat/debug.h>
	62
	63	/*
	64	* Not using the stream queue for data; keep this around to handle
	65	* requests from the user proc (mostly setup).
	66	*/
	67	int
	68	aurp_wput(gref, m)
	69	gref_t *gref;
	70	gbuf_t *m;
	71	{
	72	register ioc_t *iocbp;
	73	register gbuf_t *mdata;
	74	register int temp, error;
	75
	76	switch (gbuf_type(m)) {
	77
	78	case MSG_IOCTL:
	79	iocbp = (ioc_t *)gbuf_rptr(m);
	80	switch (iocbp->ioc_cmd) {
	81	case AUC_CFGTNL: /* set up a tunnel, init the AURP daemon */
	82	mdata = gbuf_cont(m);
	83	temp = (int)(*gbuf_rptr(mdata));
	84	if (temp != dst_addr_cnt) {
	85	AURPiocnak(gref, m, ENOSPC);
	86	return 0;
	87	}
	88	if ((error = aurpd_start()) != 0) {
	89	AURPiocnak(gref, m, error);
	90	return 0;
	91	}
	92	if (AURPinit()) {
	93	AURPiocnak(gref, m, ENOMEM);
	94	return 0;
	95	}
	96	ddp_AURPfuncx(AURPCODE_AURPPROTO, 0, 0);
	97	AURPaccess();
	98	break;
	99
	100	case AUC_SHTDOWN: /* shutdown AURP operation */
	101	AURPshutdown();
	102	break;
	103
	104	case AUC_EXPNET: /* configure networks to be exported */
105	case AUC_HIDENET: /* configure networks to be hiden */
106	mdata = gbuf_cont(m);
107	net_access_cnt = (gbuf_len(mdata))/sizeof(short);
108	if ((net_access_cnt==0) \|\| (net_access_cnt>AURP_MaxNetAccess)) {
109	AURPiocnak(gref, m, EINVAL);
110	return 0;
111	}
112	bcopy(gbuf_rptr(mdata), net_access,
113	gbuf_len(mdata));
114	if (iocbp->ioc_cmd == AUC_EXPNET)
115	net_export = 1;
116	break;
117
118	case AUC_UDPPORT:
91447636	119	mdata = gbuf_cont(m);
1c79356b A	120	aurp_global.udp_port = (char )gbuf_rptr(mdata);
	121	break;
	122
	123	case AUC_NETLIST:
	124	mdata = gbuf_cont(m);
	125	/*
	126	* Compute # addrs, Save for later check
	127	* We cheat with a shift.
	128	*/
	129	dst_addr_cnt = ((gbuf_len(mdata)) >> 2)-1;
	130	bcopy(gbuf_rptr(mdata), &aurp_global.dst_addr,
	131	gbuf_len(mdata));
	132	aurp_global.src_addr = aurp_global.dst_addr[0];
	133	aurp_global.dst_addr[0] = 0;
	134	break;
	135
	136	default:
	137	AURPiocnak(gref, m, EINVAL);
	138	return 0;
	139	}
	140	AURPiocack(gref, m);
	141	break;
	142
	143	default:
	144	dPrintf(D_M_AURP, D_L_WARNING,
	145	("aurp_wput: bad msg type=%d\n", gbuf_type(m)));
	146	gbuf_freem(m);
	147	break;
	148	}
	149
	150	return 0;
	151	}
	152
	153	/*
	154	* Insert an appletalk packet into the appletalk stack.
	155	* If it's an AURP data packet, just send it up; if it's AURP protocol,
	156	* switch out here.
	157	*/
	158
	159	int
	160	at_insert(m, type, node)
	161	register gbuf_t *m;
	162	register unsigned int type, node;
	163	{
	164	register aurp_hdr_t *hdrp;
	165	register aurp_state_t *state;
	166
	167	if (type == AUD_Atalk)
	168	/* non-AURP proto packet */
	169	ddp_AURPfuncx(AURPCODE_DATAPKT, m, node);
	170	else
	171	{ /* AURP proto packet */
	172	state = (aurp_state_t *)&aurp_state[node];
	173	state->tickle_retry = 0;
	174	hdrp = (aurp_hdr_t *)gbuf_rptr(m);
	175
	176	switch (hdrp->command_code) {
	177	case AURPCMD_RIUpd:
	178	AURPrcvRIUpd(state, m); break;
	179
	180	case AURPCMD_RIReq:
	181	AURPrcvRIReq(state, m); break;
	182
	183	case AURPCMD_RIRsp:
184	AURPrcvRIRsp(state, m); break;
185
186	case AURPCMD_RIAck:
187	AURPrcvRIAck(state, m); break;
188
189	case AURPCMD_ZReq:
190	AURPrcvZReq(state, m); break;
191
192	case AURPCMD_ZRsp:
193	AURPrcvZRsp(state, m); break;
194
195	case AURPCMD_OpenReq:
196	AURPrcvOpenReq(state, m); break;
197
198	case AURPCMD_OpenRsp:
199	AURPrcvOpenRsp(state, m); break;
200
201	case AURPCMD_Tickle:
202	AURPrcvTickle(state, m); break;
203
204	case AURPCMD_TickleAck:
205	AURPrcvTickleAck(state, m); break;
206
207	case AURPCMD_RDReq:
208	AURPrcvRDReq(state, m); break;
209
210	default:
211	dPrintf(D_M_AURP, D_L_WARNING,
212	("at_insert: bad proto cmd=%d\n",
213	hdrp->command_code));
214	gbuf_freem(m);
215	}
216	}
217
218	return 0;
219	}
5d5c5d0d A	220
5d5c5d0d A	221	#endif /* AURP_SUPPORT */