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63 lines
1.4 KiB
63 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright(c) 1999 - 2018 Intel Corporation. */ |
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#ifndef _IXGBE_FCOE_H |
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#define _IXGBE_FCOE_H |
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#include <scsi/fc/fc_fs.h> |
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#include <scsi/fc/fc_fcoe.h> |
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/* shift bits within STAT fo FCSTAT */ |
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#define IXGBE_RXDADV_FCSTAT_SHIFT 4 |
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/* ddp user buffer */ |
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#define IXGBE_BUFFCNT_MAX 256 /* 8 bits bufcnt */ |
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#define IXGBE_FCPTR_ALIGN 16 |
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#define IXGBE_FCPTR_MAX (IXGBE_BUFFCNT_MAX * sizeof(dma_addr_t)) |
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#define IXGBE_FCBUFF_4KB 0x0 |
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#define IXGBE_FCBUFF_8KB 0x1 |
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#define IXGBE_FCBUFF_16KB 0x2 |
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#define IXGBE_FCBUFF_64KB 0x3 |
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#define IXGBE_FCBUFF_MAX 65536 /* 64KB max */ |
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#define IXGBE_FCBUFF_MIN 4096 /* 4KB min */ |
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#define IXGBE_FCOE_DDP_MAX 512 /* 9 bits xid */ |
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#define IXGBE_FCOE_DDP_MAX_X550 2048 /* 11 bits xid */ |
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/* Default traffic class to use for FCoE */ |
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#define IXGBE_FCOE_DEFTC 3 |
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/* fcerr */ |
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#define IXGBE_FCERR_BADCRC 0x00100000 |
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/* FCoE DDP for target mode */ |
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#define __IXGBE_FCOE_TARGET 1 |
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struct ixgbe_fcoe_ddp { |
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int len; |
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u32 err; |
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unsigned int sgc; |
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struct scatterlist *sgl; |
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dma_addr_t udp; |
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u64 *udl; |
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struct dma_pool *pool; |
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}; |
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/* per cpu variables */ |
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struct ixgbe_fcoe_ddp_pool { |
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struct dma_pool *pool; |
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u64 noddp; |
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u64 noddp_ext_buff; |
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}; |
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struct ixgbe_fcoe { |
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struct ixgbe_fcoe_ddp_pool __percpu *ddp_pool; |
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atomic_t refcnt; |
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spinlock_t lock; |
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struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX_X550]; |
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void *extra_ddp_buffer; |
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dma_addr_t extra_ddp_buffer_dma; |
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unsigned long mode; |
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u8 up; |
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}; |
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#endif /* _IXGBE_FCOE_H */
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