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ixgbe_fcoe.h
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1 /*******************************************************************************
2 
3  Intel 10 Gigabit PCI Express Linux driver
4  Copyright(c) 1999 - 2012 Intel Corporation.
5 
6  This program is free software; you can redistribute it and/or modify it
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8  version 2, as published by the Free Software Foundation.
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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 
55 /* FCoE DDP for target mode */
56 #define __IXGBE_FCOE_TARGET 1
57 
59  int len;
61  unsigned int sgc;
62  struct scatterlist *sgl;
64  u64 *udl;
65  struct dma_pool *pool;
66 };
67 
68 /* per cpu variables */
70  struct dma_pool *pool;
73 };
74 
75 struct ixgbe_fcoe {
82  unsigned long mode;
83 #ifdef CONFIG_IXGBE_DCB
84  u8 up;
85 #endif
86 };
87 
88 #endif /* _IXGBE_FCOE_H */