0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed/*
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * CDDL HEADER START
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed *
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * The contents of this file are subject to the terms of the
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * Common Development and Distribution License (the "License").
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * You may not use this file except in compliance with the License.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed *
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * or http://www.opensolaris.org/os/licensing.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * See the License for the specific language governing permissions
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * and limitations under the License.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed *
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * When distributing Covered Code, include this CDDL HEADER in each
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * If applicable, add the following below this CDDL HEADER, with the
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * fields enclosed by brackets "[]" replaced with your own identifying
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * information: Portions Copyright [yyyy] [name of copyright owner]
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed *
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * CDDL HEADER END
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed/*
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * Use is subject to license terms.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed#include <sys/types.h>
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed#include <sys/dlpi.h>
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed#include <net/if.h>
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed#include <net/dlt.h>
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed/*
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * This table provides a mapping of the DLPI data link types used in
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * Solaris to the BPF data link types. Providing this translation in
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * the kernel allows libpcap to be downloaded and used without any
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * need for change.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed *
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * Note that this table is not necessarily sorted.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reedstatic uint_t dl_to_dlt[][3] = {
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_CSMACD, DLT_EN10MB, 14 }, /* IEEE 802.3 CSMA/CD */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_TPB, DLT_NULL, 0 }, /* IEEE 802.4 Token Bus */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_TPR, DLT_IEEE802, 0 }, /* IEEE 802.5 Token Ring */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_METRO, DLT_NULL, 0 }, /* IEEE 802.6 Metro Net */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_ETHER, DLT_EN10MB, 14 }, /* Ethernet Bus */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_HDLC, DLT_C_HDLC, 0 }, /* Cisco HDLC protocol */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_CHAR, DLT_NULL, 0 }, /* Character Synchr. proto */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_CTCA, DLT_NULL, 0 }, /* IBM Channel-to-Channel */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_FDDI, DLT_FDDI, 24 }, /* Fiber Distributed data */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_FC, DLT_NULL, 0 }, /* Fibre Channel interface */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_ATM, DLT_SUNATM, 0 }, /* ATM */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_IPATM, DLT_ATM_CLIP, 0 }, /* ATM CLIP */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_X25, DLT_NULL, 0 }, /* X.25 LAPB interface */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_ISDN, DLT_NULL, 0 }, /* ISDN interface */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_HIPPI, DLT_HIPPI, 0 }, /* HIPPI interface */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_100VG, DLT_EN10MB, 14 }, /* 100 Based VG Ethernet */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_100VGTPR, DLT_IEEE802, 0 }, /* 100 Based VG Token Ring */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_ETH_CSMA, DLT_EN10MB, 14 }, /* ISO 8802/3 and Ethernet */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_100BT, DLT_EN10MB, 14 }, /* 100 Base T */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_IB, DLT_IPOIB, 44 }, /* Solaris IPoIB (infini.) */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_FRAME, DLT_FRELAY, 0 }, /* Frame Relay LAPF */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_MPFRAME, DLT_NULL, 0 }, /* Multi-protocol Frame Relay */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_ASYNC, DLT_NULL, 0 }, /* Character Asynch. Protocol */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_IPX25, DLT_NULL, 0 }, /* X.25 Classical IP */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_LOOP, DLT_NULL, 0 }, /* software loopback */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_IPV4, DLT_RAW, 0 }, /* IPv4 Tunnel Link */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_IPV6, DLT_RAW, 0 }, /* IPv6 Tunnel Link */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { SUNW_DL_VNI, DLT_NULL, 0 }, /* Virtual network interface */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_WIFI, DLT_IEEE802_11, 0 }, /* IEEE 802.11 */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_IPNET, DLT_IPNET, 24 }, /* Solaris IP Observability */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { DL_OTHER, DLT_NULL, 0 }, /* Mediums not listed above */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed { 0, 0 }
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed};
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed/*
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * Given a data link type number used with DLPI on Solaris, return
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * the equivalent data link type number for use with BPF.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reedint
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reedbpf_dl_to_dlt(int dl)
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed{
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed int i;
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed for (i = 0; i < sizeof (dl_to_dlt) / sizeof (dl_to_dlt[0]); i++)
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed if (dl_to_dlt[i][0] == dl)
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed return (dl_to_dlt[i][1]);
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed return (0);
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed}
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed/*
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * Given a DLPI data link type for Solaris, return the expected header
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed * size of the link layer.
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed */
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reedint
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reedbpf_dl_hdrsize(int dl)
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed{
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed int i;
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed for (i = 0; i < sizeof (dl_to_dlt) / sizeof (dl_to_dlt[0]); i++)
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed if (dl_to_dlt[i][0] == dl)
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed return (dl_to_dlt[i][2]);
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed return (0);
0a0e9771ca0211c15f3ac4466b661c145feeb9e4Darren Reed}