64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/* Copyright(c) 1999 - 2018 Intel Corporation. */
|
||
|
|
|
||
|
|
#ifndef _IXGBE_FCOE_H
|
||
|
|
#define _IXGBE_FCOE_H
|
||
|
|
|
||
|
|
#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 */
|
||
|
|
#define IXGBE_FCOE_DDP_MAX_X550 2048 /* 11 bits xid */
|
||
|
|
|
||
|
|
/* Default traffic class to use for FCoE */
|
||
|
|
#define IXGBE_FCOE_DEFTC 3
|
||
|
|
|
||
|
|
/* fcerr */
|
||
|
|
#define IXGBE_FCERR_BADCRC 0x00100000
|
||
|
|
|
||
|
|
/* 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 dma_pool *pool;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* per cpu variables */
|
||
|
|
struct ixgbe_fcoe_ddp_pool {
|
||
|
|
struct dma_pool *pool;
|
||
|
|
u64 noddp;
|
||
|
|
u64 noddp_ext_buff;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ixgbe_fcoe {
|
||
|
|
struct ixgbe_fcoe_ddp_pool __percpu *ddp_pool;
|
||
|
|
atomic_t refcnt;
|
||
|
|
spinlock_t lock;
|
||
|
|
struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX_X550];
|
||
|
|
void *extra_ddp_buffer;
|
||
|
|
dma_addr_t extra_ddp_buffer_dma;
|
||
|
|
unsigned long mode;
|
||
|
|
u8 up;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* _IXGBE_FCOE_H */
|