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/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
Copyright(c) 1999 - 2009 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope 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.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#ifndef _IXGBE_FCOE_H
#define _IXGBE_FCOE_H
#include <scsi/fc/fc_fcoe.h>
/* shift bits within STAT fo FCSTAT */
#define IXGBE_RXDADV_FCSTAT_SHIFT 4
/* ddp user buffer */
#define IXGBE_BUFFCNT_MAX 256 /* 8 bits bufcnt */
#define IXGBE_FCPTR_ALIGN 16
#define IXGBE_FCPTR_MAX (IXGBE_BUFFCNT_MAX * sizeof(dma_addr_t))
#define IXGBE_FCBUFF_4KB 0x0
#define IXGBE_FCBUFF_8KB 0x1
#define IXGBE_FCBUFF_16KB 0x2
#define IXGBE_FCBUFF_64KB 0x3
#define IXGBE_FCBUFF_MAX 65536 /* 64KB max */
#define IXGBE_FCBUFF_MIN 4096 /* 4KB min */
#define IXGBE_FCOE_DDP_MAX 512 /* 9 bits xid */
/* fcerr */
#define IXGBE_FCERR_BADCRC 0x00100000
struct ixgbe_fcoe_ddp {
int len;
u32 err;
unsigned int sgc;
struct scatterlist *sgl;
dma_addr_t udp;
unsigned long *udl;
};
struct ixgbe_fcoe {
spinlock_t lock;
struct pci_pool *pool;
struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX];
};
#endif /* _IXGBE_FCOE_H */
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