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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_MAC_ETHER_H 27 #define _SYS_MAC_ETHER_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 /* 32 * Ethernet MAC Plugin 33 */ 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #ifdef _KERNEL 40 41 #define MAC_PLUGIN_IDENT_IB "mac_ib" 42 43 #define MAC_IB_MAX_802_SAP 255 44 #define MAC_IB_ETHERTYPE_MAX 65535 45 #define MAC_IB_GID_SIZE 10 46 #define MAC_IB_BROADCAST_GID 0xFFFFFFFF 47 48 /* 49 * In order to transmit the datagram to correct destination, an extra 50 * header including destination address is required. IB does not provide an 51 * interface for sending a link layer header directly to the IB link and the 52 * link layer header received from the IB link is missing information that 53 * GLDv3 requires. So mac_ib plugin defines a "soft" header as below. 54 */ 55 typedef struct ib_addrs { 56 ipoib_mac_t ipib_src; 57 ipoib_mac_t ipib_dst; 58 } ib_addrs_t; 59 60 typedef struct ib_header_info { 61 union { 62 ipoib_pgrh_t ipib_grh; 63 ib_addrs_t ipib_addrs; 64 } ipib_prefix; 65 ipoib_hdr_t ipib_rhdr; 66 } ib_header_info_t; 67 68 #define ib_dst ipib_prefix.ipib_addrs.ipib_dst 69 #define ib_src ipib_prefix.ipib_addrs.ipib_src 70 #define ib_grh ipib_prefix.ipib_grh 71 72 #endif /* _KERNEL */ 73 74 #ifdef __cplusplus 75 } 76 #endif 77 78 #endif /* _SYS_MAC_ETHER_H */ 79