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