1/******************************************************************************* 2 3 Intel 10 Gigabit PCI Express Linux driver 4 Copyright(c) 1999 - 2009 Intel Corporation. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 26*******************************************************************************/ 27 28#ifndef _IXGBE_FCOE_H 29#define _IXGBE_FCOE_H 30 31#include <scsi/fc/fc_fs.h> 32#include <scsi/fc/fc_fcoe.h> 33 34/* shift bits within STAT fo FCSTAT */ 35#define IXGBE_RXDADV_FCSTAT_SHIFT 4 36 37/* ddp user buffer */ 38#define IXGBE_BUFFCNT_MAX 256 /* 8 bits bufcnt */ 39#define IXGBE_FCPTR_ALIGN 16 40#define IXGBE_FCPTR_MAX (IXGBE_BUFFCNT_MAX * sizeof(dma_addr_t)) 41#define IXGBE_FCBUFF_4KB 0x0 42#define IXGBE_FCBUFF_8KB 0x1 43#define IXGBE_FCBUFF_16KB 0x2 44#define IXGBE_FCBUFF_64KB 0x3 45#define IXGBE_FCBUFF_MAX 65536 /* 64KB max */ 46#define IXGBE_FCBUFF_MIN 4096 /* 4KB min */ 47#define IXGBE_FCOE_DDP_MAX 512 /* 9 bits xid */ 48 49/* Default traffic class to use for FCoE */ 50#define IXGBE_FCOE_DEFTC 3 51 52/* fcerr */ 53#define IXGBE_FCERR_BADCRC 0x00100000 54 55struct ixgbe_fcoe_ddp { 56 int len; 57 u32 err; 58 unsigned int sgc; 59 struct scatterlist *sgl; 60 dma_addr_t udp; 61 u64 *udl; 62}; 63 64struct ixgbe_fcoe { 65 u8 tc; 66 spinlock_t lock; 67 struct pci_pool *pool; 68 struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX]; 69}; 70 71#endif /* _IXGBE_FCOE_H */ 72