1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_DLS_H 27 #define _SYS_DLS_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/types.h> 32 #include <sys/stream.h> 33 #include <sys/mac.h> 34 35 /* 36 * Data-Link Services Module 37 */ 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 /* 44 * Module name. 45 */ 46 #define DLS_MODULE_NAME "dls" 47 48 /* 49 * Data-Link Services Information (text emitted by modinfo(1m)) 50 */ 51 #define DLS_INFO "Data-Link Services v%I%" 52 53 /* 54 * Check the legality of a DLSAP value. The following values are allowed, 55 * as specified by PSARC 2003/150: 56 * 57 * 0 802 semantics 58 * ETHERTYPE_802_MIN (1536)..ETHERTYPE_MAX (65535) ethertype semantics 59 * 1..ETHERMTU (1500) 802 semantics, for 60 * DL_ETHER only. 61 */ 62 #define SAP_LEGAL(type, sap) \ 63 (((sap) >= ETHERTYPE_802_MIN && (sap) < ETHERTYPE_MAX) || \ 64 ((sap) == 0) || \ 65 ((sap) <= ETHERMTU && (type) == DL_ETHER)) 66 67 /* 68 * Macros for converting a ppa to an instance#, vlan ID, or minor. 69 */ 70 #define DLS_PPA2INST(ppa) ((int)((ppa) % 1000)) 71 #define DLS_PPA2VID(ppa) ((uint16_t)((ppa) / 1000)) 72 #define DLS_PPA2MINOR(ppa) ((minor_t)((DLS_PPA2INST(ppa)) + 1)) 73 74 /* 75 * Converts a minor to an instance#; makes sense only when minor <= 1000. 76 */ 77 #define DLS_MINOR2INST(minor) ((int)((minor) - 1)) 78 79 #ifdef _KERNEL 80 81 extern int dls_create(const char *, const char *, uint_t); 82 extern int dls_destroy(const char *); 83 84 typedef struct dls_t *dls_channel_t; 85 86 extern int dls_open(const char *, dls_channel_t *); 87 extern void dls_close(dls_channel_t); 88 89 extern mac_handle_t dls_mac(dls_channel_t); 90 extern uint16_t dls_vid(dls_channel_t); 91 92 #define DLS_SAP_LLC 0 93 #define DLS_SAP_PROMISC (1 << 16) 94 95 extern int dls_bind(dls_channel_t, uint16_t); 96 extern void dls_unbind(dls_channel_t); 97 98 #define DLS_PROMISC_SAP 0x00000001 99 #define DLS_PROMISC_MULTI 0x00000002 100 #define DLS_PROMISC_PHYS 0x00000004 101 102 extern int dls_promisc(dls_channel_t, uint32_t); 103 104 extern int dls_multicst_add(dls_channel_t, const uint8_t *); 105 extern int dls_multicst_remove(dls_channel_t, const uint8_t *); 106 107 extern mblk_t *dls_header(dls_channel_t, const uint8_t *, uint16_t, uint_t); 108 109 typedef struct dls_header_info { 110 size_t dhi_length; 111 const uint8_t *dhi_daddr; 112 const uint8_t *dhi_saddr; 113 uint16_t dhi_ethertype; 114 uint16_t dhi_vid; 115 boolean_t dhi_isgroup; 116 } dls_header_info_t; 117 118 extern void dls_header_info(dls_channel_t, mblk_t *, dls_header_info_t *); 119 120 typedef void (*dls_rx_t)(void *, mac_resource_handle_t, mblk_t *, size_t); 121 122 extern void dls_rx_set(dls_channel_t, dls_rx_t, void *); 123 124 extern mblk_t *dls_tx(dls_channel_t, mblk_t *); 125 126 extern boolean_t dls_active_set(dls_channel_t); 127 extern void dls_active_clear(dls_channel_t); 128 129 #endif /* _KERNEL */ 130 131 #ifdef __cplusplus 132 } 133 #endif 134 135 #endif /* _SYS_DLS_H */ 136