/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
*
- * This 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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * @APPLE_LICENSE_HEADER_END@
+ * 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) 1988, 1989, 1997, 1998 Apple Computer, Inc.
*
StaticProc int aarp_get_rand_node();
StaticProc int aarp_get_next_node();
StaticProc int aarp_get_rand_net();
+atlock_t arpinp_lock;
extern void AARPwakeup(aarp_amt_t *);
extern int pat_output(at_ifaddr_t *, gbuf_t *, unsigned char *, int);
aarp_pkt_t *pkt;
at_ifaddr_t *elapp;
{
- switch (ntohs(pkt->aarp_cmd)) {
+ switch (pkt->aarp_cmd) {
case AARP_REQ_CMD:
return (aarp_req_cmd_in (pkt, elapp));
case AARP_RESP_CMD:
break;
case PROBE_DONE :
- AMT_LOOK(amt_ptr, pkt->src_at_addr, elapp)
+ AMT_LOOK(amt_ptr, pkt->src_at_addr, elapp);
if (amt_ptr == NULL)
return(-1);
if (amt_ptr->tmo) {
* will ALWAYS be removed. If the message is dropped,
* it's not an "error".
*
- * Parameter dest_at_addr must have the net # in network byte order
****************************************************************************/
int aarp_send_data(m, elapp, dest_at_addr, loop)
register gbuf_t *m;
register at_ifaddr_t *elapp;
- struct atalk_addr *dest_at_addr; /* net# in network byte order */
+ struct atalk_addr *dest_at_addr;
int loop; /* if true, loopback broadcasts */
{
register aarp_amt_t *amt_ptr;
register at_ddp_t *ddp_hdrp;
int error;
+ int s;
struct timeval timenow;
getmicrouptime(&timenow);
ddp_input(m, elapp);
return(0);
}
+ ATDISABLE(s, arpinp_lock);
AMT_LOOK(amt_ptr, *dest_at_addr, elapp);
if (amt_ptr) {
- if (amt_ptr->m) {
+ if (amt_ptr->m) {
/*
* there's already a packet awaiting transmission, so
* drop this one and let the upper layer retransmit
* later.
*/
+ ATENABLE(s, arpinp_lock);
gbuf_freel(m);
return (0);
}
+ ATENABLE(s, arpinp_lock);
return (pat_output(elapp, m,
(unsigned char *)&amt_ptr->dest_addr, 0));
}
gbuf_t *newm = 0;
struct etalk_addr *dest_addr;
+ ATENABLE(s, arpinp_lock);
dest_addr = &elapp->cable_multicast_addr;
if (loop)
newm = (gbuf_t *)gbuf_dupm(m);
}
return (error);
}
- NEW_AMT(amt_ptr, *dest_at_addr, elapp)
+ NEW_AMT(amt_ptr, *dest_at_addr,elapp);
if (amt_ptr->m) {
/*
* drop this one and let the upper layer retransmit
* later.
*/
+ ATENABLE(s, arpinp_lock);
gbuf_freel(m);
return (0);
}
amt_ptr->m = m;
amt_ptr->elapp = elapp;
amt_ptr->no_of_retries = 0;
+ ATENABLE(s, arpinp_lock);
if ((error = aarp_send_req(amt_ptr))) {
aarp_delete_amt_info(amt_ptr);
new_pkt = (aarp_pkt_t *)gbuf_rptr(m);
aarp_build_pkt(new_pkt, elapp);
- new_pkt->aarp_cmd = htons(AARP_RESP_CMD);
+ new_pkt->aarp_cmd = AARP_RESP_CMD;
new_pkt->dest_addr = pkt->src_addr;
new_pkt->dest_at_addr = pkt->src_at_addr;
pkt = (aarp_pkt_t *)gbuf_rptr(m);
aarp_build_pkt(pkt, amt_ptr->elapp);
- pkt->aarp_cmd = htons(AARP_REQ_CMD);
+ pkt->aarp_cmd = AARP_REQ_CMD;
pkt->dest_addr = et_zeroaddr;
pkt->dest_at_addr = amt_ptr->dest_at_addr;
pkt->dest_at_addr.atalk_unused = 0;
pkt = (aarp_pkt_t *)gbuf_rptr(m);
aarp_build_pkt(pkt, probe_cb.elapp);
- pkt->aarp_cmd = htons(AARP_PROBE_CMD);
+ pkt->aarp_cmd = AARP_PROBE_CMD;
pkt->dest_addr = et_zeroaddr;
ATALK_ASSIGN(pkt->src_at_addr, probe_cb.elapp->initial_addr.s_net,
at_ifaddr_t *elapp;
{
register aarp_amt_t *amt_ptr;
+ int s;
+ ATDISABLE(s, arpinp_lock);
AMT_LOOK(amt_ptr, pkt->src_at_addr, elapp);
if (amt_ptr == NULL) {
NEW_AMT(amt_ptr, pkt->src_at_addr,elapp);
if (amt_ptr->m)
- return(0); /* no non-busy slots available in the cache */
+ {
+ ATENABLE(s, arpinp_lock);
+ return(0); /* no non-busy slots available in the cache */
+ }
amt_ptr->dest_at_addr = pkt->src_at_addr;
amt_ptr->dest_at_addr.atalk_unused = 0;
amt_ptr->dest_addr = pkt->src_addr;
if (FDDI_OR_TOKENRING(elapp->aa_ifp->if_type))
ddp_bit_reverse(&amt_ptr->dest_addr);
+ ATENABLE(s, arpinp_lock);
return(1);
}
StaticProc int aarp_delete_amt_info(amt_ptr)
register aarp_amt_t *amt_ptr;
{
+ register s;
register gbuf_t *m;
+ ATDISABLE(s, arpinp_lock);
amt_ptr->last_time = 0;
ATALK_ASSIGN(amt_ptr->dest_at_addr, 0, 0, 0);
amt_ptr->no_of_retries = 0;
if (amt_ptr->m) {
m = amt_ptr->m;
amt_ptr->m = NULL;
+ ATENABLE(s, arpinp_lock);
gbuf_freel(m);
- }
+ }
+ else
+ ATENABLE(s, arpinp_lock);
return(0);
}
register aarp_pkt_t *pkt;
at_ifaddr_t *elapp;
{
- pkt->hardware_type = htons(AARP_ETHER_HW_TYPE);
- pkt->stack_type = htons(AARP_AT_PROTO);
+ pkt->hardware_type = AARP_ETHER_HW_TYPE;
+ pkt->stack_type = AARP_AT_PROTO;
pkt->hw_addr_len = ETHERNET_ADDR_LEN;
pkt->stack_addr_len = AARP_AT_ADDR_LEN;
bcopy(elapp->xaddr, pkt->src_addr.etalk_addr_octet, sizeof(elapp->xaddr));
StaticProc void aarp_sched_req(arg)
void *arg;
{
- int i;
+ int s, i;
aarp_amt_t *amt_ptr = (aarp_amt_t *)arg;
atalk_lock();
/*
* found match - pointer is valid
*/
+ ATDISABLE(s, arpinp_lock);
if (amt_ptr->tmo == 0) {
+ ATENABLE(s, arpinp_lock);
atalk_unlock();
return;
}
if (amt_ptr->no_of_retries < AARP_MAX_REQ_RETRIES) {
+ ATENABLE(s, arpinp_lock);
if (aarp_send_req(amt_ptr) == 0) {
atalk_unlock();
return;
}
+ ATDISABLE(s, arpinp_lock);
}
+ ATENABLE(s, arpinp_lock);
aarp_delete_amt_info(amt_ptr);
break;
}
aarp_amt_t *amtp;
static snmpAarpEnt_t snmp[AMTSIZE];
snmpAarpEnt_t *snmpp;
- struct atalk_addr addr;
- u_short tmp_net;
if (*elapId <0 || *elapId >= IF_TOTAL_MAX)
* & etalk_addr positions in the aarp_amt_t struct
* has not changed and copy both at once
*/
- addr.atalk_unused = 0;
- tmp_net = UAS_VALUE(amtp->dest_at_addr.atalk_net);
- NET_ASSIGN(addr.atalk_net, tmp_net);
- addr.atalk_node = amtp->dest_at_addr.atalk_node;
- bcopy(&addr, &snmpp->ap_ddpAddr, ENTRY_SIZE);
+ bcopy(&amtp->dest_at_addr, &snmpp->ap_ddpAddr, ENTRY_SIZE);
snmpp++;
cnt++;