/* * Copyright (C) 2003 - 2009 NetXen, Inc. * Copyright (C) 2009 - QLogic Corporation. * All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. * * The full GNU General Public License is included in this distribution * in the file called LICENSE. * */ /* Header file for lro definitions */ #ifndef UNM_NIC_LRO_H #define UNM_NIC_LRO_H /* These are message types meaningful only on * the NIC's stage1 Rx queue */ #define NX_RX_STAGE1_MSGTYPE_FBQ 0x1 /* L2/L4 Miss */ #define NX_RX_STAGE1_MSGTYPE_L2IFQ 0x2 /* L2 Hit, L4 Miss */ #define NX_RX_STAGE1_MAX_FLOWS 32 #define NX_NUM_LRO_ENTRIES NX_RX_STAGE1_MAX_FLOWS #define NX_LRO_CHECK_INTVL 0x7ff #define ETH_HDR_SIZE 14 #define IPV4_HDR_SIZE 20 #define IPV6_HDR_SIZE 40 #define TCP_HDR_SIZE 20 #define TCP_TS_OPTION_SIZE 12 #define TCP_IPV4_HDR_SIZE (TCP_HDR_SIZE + IPV4_HDR_SIZE) #define TCP_IPV6_HDR_SIZE (TCP_HDR_SIZE + IPV6_HDR_SIZE) #define TCP_TS_HDR_SIZE (TCP_HDR_SIZE + TCP_TS_OPTION_SIZE) #define MAX_TCP_HDR 64 #define OFFSET_TYPE_TO_TCP_HDR_SIZE(type) (TCP_HDR_SIZE+(type ? TCP_TS_OPTION_SIZE:0)) #endif