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/* SPDX-License-Identifier: GPL-2.0 */
/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
Copyright(c) 1999 - 2012 Intel Corporation.
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
#ifdef IXGBE_FCOE
#include <scsi/fc/fc_fs.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 */
/* Default traffic class to use for FCoE */
#define IXGBE_FCOE_DEFTC 3
/* fcerr */
#define IXGBE_FCERR_BADCRC 0x00100000
#define IXGBE_FCERR_EOFSOF 0x00200000
#define IXGBE_FCERR_NOFIRST 0x00300000
#define IXGBE_FCERR_OOOSEQ 0x00400000
#define IXGBE_FCERR_NODMA 0x00500000
#define IXGBE_FCERR_PKTLOST 0x00600000
/* FCoE DDP for target mode */
#define __IXGBE_FCOE_TARGET 1
struct ixgbe_fcoe_ddp {
int len;
u32 err;
unsigned int sgc;
struct scatterlist *sgl;
dma_addr_t udp;
u64 *udl;
struct pci_pool *pool;
};
struct ixgbe_fcoe {
struct pci_pool **pool;
atomic_t refcnt;
spinlock_t lock;
struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX];
unsigned char *extra_ddp_buffer;
dma_addr_t extra_ddp_buffer_dma;
u64 __percpu *pcpu_noddp;
u64 __percpu *pcpu_noddp_ext_buff;
unsigned long mode;
u8 tc;
u8 up;
u8 up_set;
};
#endif /* IXGBE_FCOE */
#endif /* _IXGBE_FCOE_H */
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