17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
59f1fc992Sss146032 * Common Development and Distribution License (the "License").
69f1fc992Sss146032 * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
219f1fc992Sss146032
227c478bd9Sstevel@tonic-gate /*
23*4a634bb8Sga159272 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
287c478bd9Sstevel@tonic-gate
297c478bd9Sstevel@tonic-gate #include <sys/types.h>
307c478bd9Sstevel@tonic-gate #include <socket_impl.h>
317c478bd9Sstevel@tonic-gate #include <socket_inet.h>
327c478bd9Sstevel@tonic-gate #include <sys/param.h>
337c478bd9Sstevel@tonic-gate #include <sys/time.h>
347c478bd9Sstevel@tonic-gate #include <sys/socket.h>
357c478bd9Sstevel@tonic-gate #include <net/if.h>
367c478bd9Sstevel@tonic-gate #include <net/if_arp.h>
377c478bd9Sstevel@tonic-gate #include <net/if_types.h>
387c478bd9Sstevel@tonic-gate #include <netinet/in_systm.h>
397c478bd9Sstevel@tonic-gate #include <netinet/in.h>
407c478bd9Sstevel@tonic-gate #include <netinet/if_ether.h>
417c478bd9Sstevel@tonic-gate #include <sys/promif.h>
427c478bd9Sstevel@tonic-gate #include <sys/prom_plat.h>
437c478bd9Sstevel@tonic-gate #include <sys/salib.h>
447c478bd9Sstevel@tonic-gate
457c478bd9Sstevel@tonic-gate #include "mac.h"
467c478bd9Sstevel@tonic-gate #include "mac_impl.h"
477c478bd9Sstevel@tonic-gate #include "atm_inet.h"
487c478bd9Sstevel@tonic-gate #include "ethernet_inet.h"
497c478bd9Sstevel@tonic-gate #include "fddi_inet.h"
507c478bd9Sstevel@tonic-gate #include "token_inet.h"
517c478bd9Sstevel@tonic-gate #include "ibd_inet.h"
527c478bd9Sstevel@tonic-gate
537c478bd9Sstevel@tonic-gate /*
547c478bd9Sstevel@tonic-gate * MAC layer interface
557c478bd9Sstevel@tonic-gate */
567c478bd9Sstevel@tonic-gate boolean_t initialized; /* Boolean state */
577c478bd9Sstevel@tonic-gate struct mac_type mac_state;
587c478bd9Sstevel@tonic-gate int arp_index; /* current arp table index */
597c478bd9Sstevel@tonic-gate static struct arptable atable[ARP_TABLE_SIZE];
607c478bd9Sstevel@tonic-gate
617c478bd9Sstevel@tonic-gate struct ofw_net_types {
627c478bd9Sstevel@tonic-gate char *n_name; /* OFW network media name */
637c478bd9Sstevel@tonic-gate int n_type; /* IFT */
647c478bd9Sstevel@tonic-gate } ofw_types[] = {
657c478bd9Sstevel@tonic-gate { "atm", IFT_ATM },
667c478bd9Sstevel@tonic-gate { "ethernet", IFT_ETHER },
677c478bd9Sstevel@tonic-gate { "fddi", IFT_FDDI },
687c478bd9Sstevel@tonic-gate { "token-ring", IFT_ISO88025 },
697c478bd9Sstevel@tonic-gate { "ipib", IFT_IB }
707c478bd9Sstevel@tonic-gate };
717c478bd9Sstevel@tonic-gate
727c478bd9Sstevel@tonic-gate /*
737c478bd9Sstevel@tonic-gate * given the mac type, initialize the mac interface state.
747c478bd9Sstevel@tonic-gate */
757c478bd9Sstevel@tonic-gate void
mac_init(char * bootdevicename)767c478bd9Sstevel@tonic-gate mac_init(char *bootdevicename)
777c478bd9Sstevel@tonic-gate {
787c478bd9Sstevel@tonic-gate int type = 0;
797c478bd9Sstevel@tonic-gate static char *mtu_name = "max-frame-size";
807c478bd9Sstevel@tonic-gate static char *chosen_net = "chosen-network-type";
817c478bd9Sstevel@tonic-gate static char *supported_net = "supported-network-types";
827c478bd9Sstevel@tonic-gate static char *netiftype = "network-interface-type";
83fa9e4066Sahrens pnode_t node;
847c478bd9Sstevel@tonic-gate char *wp, *media_type;
857c478bd9Sstevel@tonic-gate int len = 0, i;
867c478bd9Sstevel@tonic-gate char tmpbuf[MAXNAMELEN];
877c478bd9Sstevel@tonic-gate char devname[MAXNAMELEN];
887c478bd9Sstevel@tonic-gate
897c478bd9Sstevel@tonic-gate if (initialized)
907c478bd9Sstevel@tonic-gate return;
917c478bd9Sstevel@tonic-gate
927c478bd9Sstevel@tonic-gate mac_state.mac_in_timeout = MAC_IN_TIMEOUT;
937c478bd9Sstevel@tonic-gate
947c478bd9Sstevel@tonic-gate #ifdef DEBUG
957c478bd9Sstevel@tonic-gate printf("mac_init: device path: %s\n", bootdevicename);
967c478bd9Sstevel@tonic-gate #endif /* DEBUG */
977c478bd9Sstevel@tonic-gate
987c478bd9Sstevel@tonic-gate if ((mac_state.mac_dev = prom_open(bootdevicename)) == 0) {
997c478bd9Sstevel@tonic-gate (void) snprintf(tmpbuf, sizeof (tmpbuf),
1007c478bd9Sstevel@tonic-gate "Cannot prom_open network device %s.", bootdevicename);
1017c478bd9Sstevel@tonic-gate prom_panic(tmpbuf);
1027c478bd9Sstevel@tonic-gate }
1037c478bd9Sstevel@tonic-gate
1047c478bd9Sstevel@tonic-gate (void) prom_devname_from_pathname(bootdevicename, devname);
1057c478bd9Sstevel@tonic-gate
1067c478bd9Sstevel@tonic-gate #ifdef DEBUG
1077c478bd9Sstevel@tonic-gate printf("mac_init: Network device name: %s\n", devname);
1087c478bd9Sstevel@tonic-gate #endif /* DEBUG */
1097c478bd9Sstevel@tonic-gate
1107c478bd9Sstevel@tonic-gate /*
1117c478bd9Sstevel@tonic-gate * Ask the prom for our MTU and media type. "chosen-network-type"
1127c478bd9Sstevel@tonic-gate * is of the form of "<network type>,<speed (Mbps)>,<connector type>,
1137c478bd9Sstevel@tonic-gate * <duplex mode>: e.g.: "ethernet,100,rj45,full"
1147c478bd9Sstevel@tonic-gate */
1157c478bd9Sstevel@tonic-gate node = prom_finddevice(devname);
1167c478bd9Sstevel@tonic-gate if (node != OBP_NONODE && node != OBP_BADNODE) {
1177c478bd9Sstevel@tonic-gate if (prom_getproplen(node, mtu_name) == sizeof (ihandle_t)) {
1187c478bd9Sstevel@tonic-gate (void) prom_getprop(node, mtu_name,
1197c478bd9Sstevel@tonic-gate (caddr_t)&mac_state.mac_mtu);
1207c478bd9Sstevel@tonic-gate }
1217c478bd9Sstevel@tonic-gate bzero(tmpbuf, sizeof (tmpbuf));
1227c478bd9Sstevel@tonic-gate /*
1237c478bd9Sstevel@tonic-gate * The following order of looking for properties is
1247c478bd9Sstevel@tonic-gate * from FWARC 2002/345.
1257c478bd9Sstevel@tonic-gate */
1267c478bd9Sstevel@tonic-gate if ((len = prom_getproplen(node, netiftype)) > 0 &&
1277c478bd9Sstevel@tonic-gate len < sizeof (tmpbuf)) {
1287c478bd9Sstevel@tonic-gate (void) prom_getprop(node, netiftype, tmpbuf);
1297c478bd9Sstevel@tonic-gate } else if ((len = prom_getproplen(node, chosen_net)) > 0 &&
1307c478bd9Sstevel@tonic-gate len < sizeof (tmpbuf)) {
1317c478bd9Sstevel@tonic-gate (void) prom_getprop(node, chosen_net, tmpbuf);
1327c478bd9Sstevel@tonic-gate } else if ((len = prom_getproplen(node, supported_net)) > 0 &&
1337c478bd9Sstevel@tonic-gate len < sizeof (tmpbuf)) {
1347c478bd9Sstevel@tonic-gate (void) prom_getprop(node, supported_net, tmpbuf);
1357c478bd9Sstevel@tonic-gate }
1367c478bd9Sstevel@tonic-gate media_type = NULL;
1377c478bd9Sstevel@tonic-gate if (len > 0) {
1387c478bd9Sstevel@tonic-gate if ((wp = strstr(tmpbuf, ",")) != NULL)
1397c478bd9Sstevel@tonic-gate *wp = '\0';
1407c478bd9Sstevel@tonic-gate media_type = tmpbuf;
1417c478bd9Sstevel@tonic-gate }
1427c478bd9Sstevel@tonic-gate if (media_type != NULL) {
1437c478bd9Sstevel@tonic-gate #ifdef DEBUG
1447c478bd9Sstevel@tonic-gate printf("mac_init: Media type: %s\n", media_type);
1457c478bd9Sstevel@tonic-gate #endif /* DEBUG */
1467c478bd9Sstevel@tonic-gate for (i = 0; i < sizeof (ofw_types) /
1477c478bd9Sstevel@tonic-gate sizeof (struct ofw_net_types); i++) {
1487c478bd9Sstevel@tonic-gate if (strcmp(ofw_types[i].n_name,
1497c478bd9Sstevel@tonic-gate media_type) == 0) {
1507c478bd9Sstevel@tonic-gate type = ofw_types[i].n_type;
1517c478bd9Sstevel@tonic-gate break;
1527c478bd9Sstevel@tonic-gate }
1537c478bd9Sstevel@tonic-gate }
1547c478bd9Sstevel@tonic-gate }
1557c478bd9Sstevel@tonic-gate }
1567c478bd9Sstevel@tonic-gate
1577c478bd9Sstevel@tonic-gate switch (type) {
1587c478bd9Sstevel@tonic-gate case IFT_ATM:
1597c478bd9Sstevel@tonic-gate /*
1607c478bd9Sstevel@tonic-gate * ATM is currently treated mostly like ethernet,
1617c478bd9Sstevel@tonic-gate * with the exception that the MTU is most likely
1627c478bd9Sstevel@tonic-gate * different.
1637c478bd9Sstevel@tonic-gate */
1647c478bd9Sstevel@tonic-gate mac_state.mac_type = IFT_ATM;
1657c478bd9Sstevel@tonic-gate mac_state.mac_arp_timeout = ATM_ARP_TIMEOUT;
1667c478bd9Sstevel@tonic-gate mac_state.mac_in_timeout = ATM_IN_TIMEOUT;
1677c478bd9Sstevel@tonic-gate if (mac_state.mac_mtu == 0)
1687c478bd9Sstevel@tonic-gate mac_state.mac_mtu = ATMSIZE;
1697c478bd9Sstevel@tonic-gate mac_state.mac_addr_len = sizeof (ether_addr_t);
1707c478bd9Sstevel@tonic-gate mac_state.mac_addr_buf = bkmem_alloc(mac_state.mac_addr_len);
1717c478bd9Sstevel@tonic-gate if (mac_state.mac_addr_buf == NULL)
1727c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot allocate memory.");
1737c478bd9Sstevel@tonic-gate if (prom_getmacaddr(mac_state.mac_dev,
1747c478bd9Sstevel@tonic-gate (caddr_t)mac_state.mac_addr_buf) != 0)
1757c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot obtain MAC address.");
1767c478bd9Sstevel@tonic-gate mac_state.mac_arp = ether_arp;
1777c478bd9Sstevel@tonic-gate mac_state.mac_rarp = ether_revarp;
1787c478bd9Sstevel@tonic-gate mac_state.mac_header_len = ether_header_len;
1797c478bd9Sstevel@tonic-gate mac_state.mac_input = ether_input;
1807c478bd9Sstevel@tonic-gate mac_state.mac_output = ether_output;
1817c478bd9Sstevel@tonic-gate break;
1827c478bd9Sstevel@tonic-gate
1837c478bd9Sstevel@tonic-gate case IFT_FDDI:
1847c478bd9Sstevel@tonic-gate /*
1857c478bd9Sstevel@tonic-gate * FDDI is currently treated mostly like ethernet,
1867c478bd9Sstevel@tonic-gate * with the exception that the MTU is most likely
1877c478bd9Sstevel@tonic-gate * different.
1887c478bd9Sstevel@tonic-gate */
1897c478bd9Sstevel@tonic-gate mac_state.mac_type = IFT_FDDI;
1907c478bd9Sstevel@tonic-gate mac_state.mac_arp_timeout = FDDI_ARP_TIMEOUT;
1917c478bd9Sstevel@tonic-gate mac_state.mac_in_timeout = FDDI_IN_TIMEOUT;
1927c478bd9Sstevel@tonic-gate if (mac_state.mac_mtu == 0)
1937c478bd9Sstevel@tonic-gate mac_state.mac_mtu = FDDISIZE;
1947c478bd9Sstevel@tonic-gate mac_state.mac_addr_len = sizeof (ether_addr_t);
1957c478bd9Sstevel@tonic-gate mac_state.mac_addr_buf = bkmem_alloc(mac_state.mac_addr_len);
1967c478bd9Sstevel@tonic-gate if (mac_state.mac_addr_buf == NULL)
1977c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot allocate memory.");
1987c478bd9Sstevel@tonic-gate if (prom_getmacaddr(mac_state.mac_dev,
1997c478bd9Sstevel@tonic-gate (caddr_t)mac_state.mac_addr_buf) != 0)
2007c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot obtain MAC address.");
2017c478bd9Sstevel@tonic-gate mac_state.mac_arp = ether_arp;
2027c478bd9Sstevel@tonic-gate mac_state.mac_rarp = ether_revarp;
2037c478bd9Sstevel@tonic-gate mac_state.mac_header_len = ether_header_len;
2047c478bd9Sstevel@tonic-gate mac_state.mac_input = ether_input;
2057c478bd9Sstevel@tonic-gate mac_state.mac_output = ether_output;
2067c478bd9Sstevel@tonic-gate break;
2077c478bd9Sstevel@tonic-gate
2087c478bd9Sstevel@tonic-gate case IFT_ISO88025:
2097c478bd9Sstevel@tonic-gate /*
2107c478bd9Sstevel@tonic-gate * Token ring is currently treated mostly like ethernet,
2117c478bd9Sstevel@tonic-gate * with the exception that the MTU is most likely different.
2127c478bd9Sstevel@tonic-gate */
2137c478bd9Sstevel@tonic-gate mac_state.mac_type = IFT_ISO88025;
2147c478bd9Sstevel@tonic-gate mac_state.mac_arp_timeout = TOKEN_ARP_TIMEOUT;
2157c478bd9Sstevel@tonic-gate mac_state.mac_in_timeout = TOKEN_IN_TIMEOUT;
2167c478bd9Sstevel@tonic-gate if (mac_state.mac_mtu == 0)
2177c478bd9Sstevel@tonic-gate mac_state.mac_mtu = TOKENSIZE;
2187c478bd9Sstevel@tonic-gate mac_state.mac_addr_len = sizeof (ether_addr_t);
2197c478bd9Sstevel@tonic-gate mac_state.mac_addr_buf = bkmem_alloc(mac_state.mac_addr_len);
2207c478bd9Sstevel@tonic-gate if (mac_state.mac_addr_buf == NULL)
2217c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot allocate memory.");
2227c478bd9Sstevel@tonic-gate if (prom_getmacaddr(mac_state.mac_dev,
2237c478bd9Sstevel@tonic-gate (caddr_t)mac_state.mac_addr_buf) != 0)
2247c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot obtain MAC address.");
2257c478bd9Sstevel@tonic-gate mac_state.mac_arp = ether_arp;
2267c478bd9Sstevel@tonic-gate mac_state.mac_rarp = ether_revarp;
2277c478bd9Sstevel@tonic-gate mac_state.mac_header_len = ether_header_len;
2287c478bd9Sstevel@tonic-gate mac_state.mac_input = ether_input;
2297c478bd9Sstevel@tonic-gate mac_state.mac_output = ether_output;
2307c478bd9Sstevel@tonic-gate break;
2317c478bd9Sstevel@tonic-gate
2327c478bd9Sstevel@tonic-gate case IFT_IB:
2337c478bd9Sstevel@tonic-gate mac_state.mac_type = IFT_IB;
2347c478bd9Sstevel@tonic-gate ibd_init();
2357c478bd9Sstevel@tonic-gate break;
2367c478bd9Sstevel@tonic-gate
2377c478bd9Sstevel@tonic-gate case IFT_ETHER:
2387c478bd9Sstevel@tonic-gate /* FALLTHRU - default to ethernet */
2397c478bd9Sstevel@tonic-gate default:
2407c478bd9Sstevel@tonic-gate mac_state.mac_type = IFT_ETHER;
2417c478bd9Sstevel@tonic-gate mac_state.mac_mtu = ETHERSIZE;
2427c478bd9Sstevel@tonic-gate mac_state.mac_arp_timeout = ETHER_ARP_TIMEOUT;
2437c478bd9Sstevel@tonic-gate mac_state.mac_in_timeout = ETHER_IN_TIMEOUT;
2447c478bd9Sstevel@tonic-gate if (mac_state.mac_mtu == 0)
2457c478bd9Sstevel@tonic-gate mac_state.mac_mtu = ETHERSIZE;
2467c478bd9Sstevel@tonic-gate mac_state.mac_addr_len = sizeof (ether_addr_t);
2477c478bd9Sstevel@tonic-gate mac_state.mac_addr_buf = bkmem_alloc(mac_state.mac_addr_len);
2487c478bd9Sstevel@tonic-gate if (mac_state.mac_addr_buf == NULL)
2497c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot allocate memory.");
2507c478bd9Sstevel@tonic-gate if (prom_getmacaddr(mac_state.mac_dev,
2517c478bd9Sstevel@tonic-gate (caddr_t)mac_state.mac_addr_buf) != 0)
2527c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot obtain MAC address.");
2537c478bd9Sstevel@tonic-gate mac_state.mac_arp = ether_arp;
2547c478bd9Sstevel@tonic-gate mac_state.mac_rarp = ether_revarp;
2557c478bd9Sstevel@tonic-gate mac_state.mac_header_len = ether_header_len;
2567c478bd9Sstevel@tonic-gate mac_state.mac_input = ether_input;
2577c478bd9Sstevel@tonic-gate mac_state.mac_output = ether_output;
2587c478bd9Sstevel@tonic-gate break;
2597c478bd9Sstevel@tonic-gate }
2607c478bd9Sstevel@tonic-gate
2617c478bd9Sstevel@tonic-gate mac_state.mac_buf = bkmem_alloc(mac_state.mac_mtu);
2627c478bd9Sstevel@tonic-gate if (mac_state.mac_buf == NULL)
2637c478bd9Sstevel@tonic-gate prom_panic("mac_init: Cannot allocate netbuf memory.");
2647c478bd9Sstevel@tonic-gate else
2657c478bd9Sstevel@tonic-gate initialized = B_TRUE;
2667c478bd9Sstevel@tonic-gate }
2677c478bd9Sstevel@tonic-gate
2687c478bd9Sstevel@tonic-gate void
mac_fini()2697c478bd9Sstevel@tonic-gate mac_fini()
2707c478bd9Sstevel@tonic-gate {
2717c478bd9Sstevel@tonic-gate if (mac_state.mac_addr_buf != NULL) {
2727c478bd9Sstevel@tonic-gate bkmem_free((caddr_t)mac_state.mac_addr_buf,
2737c478bd9Sstevel@tonic-gate mac_state.mac_addr_len);
2747c478bd9Sstevel@tonic-gate mac_state.mac_addr_buf = NULL;
2757c478bd9Sstevel@tonic-gate }
2767c478bd9Sstevel@tonic-gate if (mac_state.mac_buf != NULL) {
2777c478bd9Sstevel@tonic-gate bkmem_free(mac_state.mac_buf, mac_state.mac_mtu);
2787c478bd9Sstevel@tonic-gate mac_state.mac_buf = NULL;
2797c478bd9Sstevel@tonic-gate }
2807c478bd9Sstevel@tonic-gate (void) prom_close(mac_state.mac_dev);
2817c478bd9Sstevel@tonic-gate initialized = B_FALSE;
2827c478bd9Sstevel@tonic-gate }
2837c478bd9Sstevel@tonic-gate
2847c478bd9Sstevel@tonic-gate /* MAC layer specific socket initialization */
2857c478bd9Sstevel@tonic-gate void
mac_socket_init(struct inetboot_socket * isp)2867c478bd9Sstevel@tonic-gate mac_socket_init(struct inetboot_socket *isp)
2877c478bd9Sstevel@tonic-gate {
2887c478bd9Sstevel@tonic-gate isp->input[MEDIA_LVL] = mac_state.mac_input;
2897c478bd9Sstevel@tonic-gate isp->output[MEDIA_LVL] = mac_state.mac_output;
2907c478bd9Sstevel@tonic-gate isp->close[MEDIA_LVL] = NULL;
2917c478bd9Sstevel@tonic-gate isp->headerlen[MEDIA_LVL] = mac_state.mac_header_len;
2927c478bd9Sstevel@tonic-gate isp->in_timeout = mac_state.mac_in_timeout;
2937c478bd9Sstevel@tonic-gate }
2947c478bd9Sstevel@tonic-gate
2957c478bd9Sstevel@tonic-gate /*
2967c478bd9Sstevel@tonic-gate * Add an entry to the ARP table. All values in table are network order.
2977c478bd9Sstevel@tonic-gate * No checking is done to determine whether there's duplicates.
2987c478bd9Sstevel@tonic-gate */
2997c478bd9Sstevel@tonic-gate void
mac_set_arp(struct in_addr * ip,void * hp,int hl)3007c478bd9Sstevel@tonic-gate mac_set_arp(struct in_addr *ip, void *hp, int hl)
3017c478bd9Sstevel@tonic-gate {
3027c478bd9Sstevel@tonic-gate atable[arp_index].ia.s_addr = ip->s_addr;
3037c478bd9Sstevel@tonic-gate bcopy(hp, (char *)atable[arp_index].ha, hl);
3047c478bd9Sstevel@tonic-gate atable[arp_index].hl = hl;
3057c478bd9Sstevel@tonic-gate arp_index++;
3067c478bd9Sstevel@tonic-gate if (arp_index >= ARP_TABLE_SIZE)
3077c478bd9Sstevel@tonic-gate arp_index = 0;
3087c478bd9Sstevel@tonic-gate }
3097c478bd9Sstevel@tonic-gate
3107c478bd9Sstevel@tonic-gate /*
3117c478bd9Sstevel@tonic-gate * Retrieve an entry from the ARP table using network-order IP address as
3127c478bd9Sstevel@tonic-gate * search criteria. HW address buffer is filled in up to hl in len. (make
3137c478bd9Sstevel@tonic-gate * sure the buffer is big enough given the mac type)
3147c478bd9Sstevel@tonic-gate *
3157c478bd9Sstevel@tonic-gate * Returns TRUE if successful, FALSE otherwise. Will wait timeout milliseconds
3167c478bd9Sstevel@tonic-gate * for a response.
3177c478bd9Sstevel@tonic-gate */
3187c478bd9Sstevel@tonic-gate int
mac_get_arp(struct in_addr * ip,void * hp,int hl,uint32_t timeout)3197c478bd9Sstevel@tonic-gate mac_get_arp(struct in_addr *ip, void *hp, int hl, uint32_t timeout)
3207c478bd9Sstevel@tonic-gate {
3217c478bd9Sstevel@tonic-gate int i, result;
3227c478bd9Sstevel@tonic-gate
3237c478bd9Sstevel@tonic-gate for (i = 0; i < ARP_TABLE_SIZE; i++) {
3247c478bd9Sstevel@tonic-gate if (ip->s_addr == atable[i].ia.s_addr) {
3257c478bd9Sstevel@tonic-gate bcopy((char *)atable[i].ha, hp, hl);
3267c478bd9Sstevel@tonic-gate return (TRUE);
3277c478bd9Sstevel@tonic-gate }
3287c478bd9Sstevel@tonic-gate }
3297c478bd9Sstevel@tonic-gate
3307c478bd9Sstevel@tonic-gate /* Not found. ARP for it. */
3317c478bd9Sstevel@tonic-gate bzero(hp, hl);
3327c478bd9Sstevel@tonic-gate result = mac_state.mac_arp(ip, hp, timeout);
3337c478bd9Sstevel@tonic-gate
3347c478bd9Sstevel@tonic-gate if (result) {
3357c478bd9Sstevel@tonic-gate /* Cool - add it to the arp table */
3367c478bd9Sstevel@tonic-gate mac_set_arp(ip, hp, hl);
3377c478bd9Sstevel@tonic-gate }
3387c478bd9Sstevel@tonic-gate return (result);
3397c478bd9Sstevel@tonic-gate }
3407c478bd9Sstevel@tonic-gate
3417c478bd9Sstevel@tonic-gate int
mac_get_mtu(void)3427c478bd9Sstevel@tonic-gate mac_get_mtu(void)
3437c478bd9Sstevel@tonic-gate {
3447c478bd9Sstevel@tonic-gate if (!initialized)
3457c478bd9Sstevel@tonic-gate return (-1);
3467c478bd9Sstevel@tonic-gate else
3477c478bd9Sstevel@tonic-gate return (mac_state.mac_mtu);
3487c478bd9Sstevel@tonic-gate }
3497c478bd9Sstevel@tonic-gate
3507c478bd9Sstevel@tonic-gate int
mac_get_dev(void)3517c478bd9Sstevel@tonic-gate mac_get_dev(void)
3527c478bd9Sstevel@tonic-gate {
3537c478bd9Sstevel@tonic-gate if (!initialized)
3547c478bd9Sstevel@tonic-gate return (-1);
3557c478bd9Sstevel@tonic-gate else
3567c478bd9Sstevel@tonic-gate return (mac_state.mac_dev);
3577c478bd9Sstevel@tonic-gate }
3587c478bd9Sstevel@tonic-gate
3597c478bd9Sstevel@tonic-gate uint8_t *
mac_get_addr_buf(void)3607c478bd9Sstevel@tonic-gate mac_get_addr_buf(void)
3617c478bd9Sstevel@tonic-gate {
3627c478bd9Sstevel@tonic-gate if (!initialized)
3637c478bd9Sstevel@tonic-gate return (NULL);
3647c478bd9Sstevel@tonic-gate else
3657c478bd9Sstevel@tonic-gate return (mac_state.mac_addr_buf);
3667c478bd9Sstevel@tonic-gate }
3677c478bd9Sstevel@tonic-gate
3687c478bd9Sstevel@tonic-gate int
mac_get_addr_len(void)3697c478bd9Sstevel@tonic-gate mac_get_addr_len(void)
3707c478bd9Sstevel@tonic-gate {
3717c478bd9Sstevel@tonic-gate if (!initialized)
3727c478bd9Sstevel@tonic-gate return (-1);
3737c478bd9Sstevel@tonic-gate else
3747c478bd9Sstevel@tonic-gate return (mac_state.mac_addr_len);
3757c478bd9Sstevel@tonic-gate }
3767c478bd9Sstevel@tonic-gate
3777c478bd9Sstevel@tonic-gate int
mac_get_type(void)3787c478bd9Sstevel@tonic-gate mac_get_type(void)
3797c478bd9Sstevel@tonic-gate {
3807c478bd9Sstevel@tonic-gate if (!initialized)
3817c478bd9Sstevel@tonic-gate return (-1);
3827c478bd9Sstevel@tonic-gate else
3837c478bd9Sstevel@tonic-gate return (mac_state.mac_type);
3847c478bd9Sstevel@tonic-gate }
3857c478bd9Sstevel@tonic-gate
3869f1fc992Sss146032 void
mac_set_arp_timeout(unsigned int timeout)3879f1fc992Sss146032 mac_set_arp_timeout(unsigned int timeout)
3889f1fc992Sss146032 {
3899f1fc992Sss146032 mac_state.mac_arp_timeout =
3909f1fc992Sss146032 timeout;
3919f1fc992Sss146032 }
3929f1fc992Sss146032
3937c478bd9Sstevel@tonic-gate int
mac_get_arp_timeout(void)3947c478bd9Sstevel@tonic-gate mac_get_arp_timeout(void)
3957c478bd9Sstevel@tonic-gate {
3967c478bd9Sstevel@tonic-gate if (!initialized)
3977c478bd9Sstevel@tonic-gate return (-1);
3987c478bd9Sstevel@tonic-gate else
3997c478bd9Sstevel@tonic-gate return (mac_state.mac_arp_timeout);
4007c478bd9Sstevel@tonic-gate }
4017c478bd9Sstevel@tonic-gate
4027c478bd9Sstevel@tonic-gate int
mac_get_hdr_len(void)4037c478bd9Sstevel@tonic-gate mac_get_hdr_len(void)
4047c478bd9Sstevel@tonic-gate {
4057c478bd9Sstevel@tonic-gate if (!initialized)
4067c478bd9Sstevel@tonic-gate return (-1);
4077c478bd9Sstevel@tonic-gate else
4087c478bd9Sstevel@tonic-gate return (mac_state.mac_header_len(NULL));
4097c478bd9Sstevel@tonic-gate }
4107c478bd9Sstevel@tonic-gate
4117c478bd9Sstevel@tonic-gate int
mac_call_arp(struct in_addr * addr,void * buf,uint32_t timeout)4127c478bd9Sstevel@tonic-gate mac_call_arp(struct in_addr *addr, void *buf, uint32_t timeout)
4137c478bd9Sstevel@tonic-gate {
4147c478bd9Sstevel@tonic-gate return (mac_state.mac_arp(addr, buf, timeout));
4157c478bd9Sstevel@tonic-gate }
4167c478bd9Sstevel@tonic-gate
4177c478bd9Sstevel@tonic-gate void
mac_call_rarp(void)4187c478bd9Sstevel@tonic-gate mac_call_rarp(void)
4197c478bd9Sstevel@tonic-gate {
4207c478bd9Sstevel@tonic-gate mac_state.mac_rarp();
4217c478bd9Sstevel@tonic-gate }
4227c478bd9Sstevel@tonic-gate
4237c478bd9Sstevel@tonic-gate /*
4247c478bd9Sstevel@tonic-gate * Map a IFT_ type to an RFC 1700 arp hwtype.
4257c478bd9Sstevel@tonic-gate */
4267c478bd9Sstevel@tonic-gate uint8_t
mac_arp_type(uint8_t ift_type)4277c478bd9Sstevel@tonic-gate mac_arp_type(uint8_t ift_type)
4287c478bd9Sstevel@tonic-gate {
4297c478bd9Sstevel@tonic-gate uint8_t arptype;
4307c478bd9Sstevel@tonic-gate
4317c478bd9Sstevel@tonic-gate switch (ift_type) {
4327c478bd9Sstevel@tonic-gate case IFT_ISO88025:
4337c478bd9Sstevel@tonic-gate arptype = 4; /* token ring */
4347c478bd9Sstevel@tonic-gate break;
4357c478bd9Sstevel@tonic-gate case IFT_ATM:
4367c478bd9Sstevel@tonic-gate arptype = 16; /* ATM */
4377c478bd9Sstevel@tonic-gate break;
4387c478bd9Sstevel@tonic-gate case IFT_FDDI:
4397c478bd9Sstevel@tonic-gate arptype = 18; /* Fiber Channel */
4407c478bd9Sstevel@tonic-gate break;
4417c478bd9Sstevel@tonic-gate case IFT_IB:
4427c478bd9Sstevel@tonic-gate arptype = 32; /* Infiniband */
4437c478bd9Sstevel@tonic-gate break;
4447c478bd9Sstevel@tonic-gate case IFT_ETHER:
4457c478bd9Sstevel@tonic-gate /* FALLTHRU */
4467c478bd9Sstevel@tonic-gate default:
4477c478bd9Sstevel@tonic-gate arptype = 1; /* default to ethernet */
4487c478bd9Sstevel@tonic-gate break;
4497c478bd9Sstevel@tonic-gate }
4507c478bd9Sstevel@tonic-gate return (arptype);
4517c478bd9Sstevel@tonic-gate }
452