forked from Minki/linux
41a1d04b9d
Use macros for abstracting (1 << foo) to BIT(foo) and (1ULL << foo64) to BIT_ULL(foo64) in order to match better with kernel requirements. NOTE: the adminq_cmd.h file was not modified on purpose because of the dependency upon firmware for that file. Change-ID: I73ee2e48c880d671948aad19bd53ca6b2ac558fc Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Jim Young <james.m.young@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/*******************************************************************************
|
|
*
|
|
* Intel Ethernet Controller XL710 Family Linux Driver
|
|
* Copyright(c) 2013 - 2014 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* 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 _I40E_FCOE_H_
|
|
#define _I40E_FCOE_H_
|
|
|
|
/* FCoE HW context helper macros */
|
|
#define I40E_DDP_CONTEXT_DESC(R, i) \
|
|
(&(((struct i40e_fcoe_ddp_context_desc *)((R)->desc))[i]))
|
|
|
|
#define I40E_QUEUE_CONTEXT_DESC(R, i) \
|
|
(&(((struct i40e_fcoe_queue_context_desc *)((R)->desc))[i]))
|
|
|
|
#define I40E_FILTER_CONTEXT_DESC(R, i) \
|
|
(&(((struct i40e_fcoe_filter_context_desc *)((R)->desc))[i]))
|
|
|
|
/* receive queue descriptor filter status for FCoE */
|
|
#define I40E_RX_DESC_FLTSTAT_FCMASK 0x3
|
|
#define I40E_RX_DESC_FLTSTAT_NOMTCH 0x0 /* no ddp context match */
|
|
#define I40E_RX_DESC_FLTSTAT_NODDP 0x1 /* no ddp due to error */
|
|
#define I40E_RX_DESC_FLTSTAT_DDP 0x2 /* DDPed payload, post header */
|
|
#define I40E_RX_DESC_FLTSTAT_FCPRSP 0x3 /* FCP_RSP */
|
|
|
|
/* receive queue descriptor error codes for FCoE */
|
|
#define I40E_RX_DESC_FCOE_ERROR_MASK \
|
|
(I40E_RX_DESC_ERROR_L3L4E_PROT | \
|
|
I40E_RX_DESC_ERROR_L3L4E_FC | \
|
|
I40E_RX_DESC_ERROR_L3L4E_DMAC_ERR | \
|
|
I40E_RX_DESC_ERROR_L3L4E_DMAC_WARN)
|
|
|
|
/* receive queue descriptor programming error */
|
|
#define I40E_RX_PROG_FCOE_ERROR_TBL_FULL(e) \
|
|
(((e) >> I40E_RX_PROG_STATUS_DESC_FCOE_TBL_FULL_SHIFT) & 0x1)
|
|
|
|
#define I40E_RX_PROG_FCOE_ERROR_CONFLICT(e) \
|
|
(((e) >> I40E_RX_PROG_STATUS_DESC_FCOE_CONFLICT_SHIFT) & 0x1)
|
|
|
|
#define I40E_RX_PROG_FCOE_ERROR_TBL_FULL_BIT \
|
|
BIT(I40E_RX_PROG_STATUS_DESC_FCOE_TBL_FULL_SHIFT)
|
|
#define I40E_RX_PROG_FCOE_ERROR_CONFLICT_BIT \
|
|
BIT(I40E_RX_PROG_STATUS_DESC_FCOE_CONFLICT_SHIFT)
|
|
|
|
#define I40E_RX_PROG_FCOE_ERROR_INVLFAIL(e) \
|
|
I40E_RX_PROG_FCOE_ERROR_CONFLICT(e)
|
|
#define I40E_RX_PROG_FCOE_ERROR_INVLFAIL_BIT \
|
|
I40E_RX_PROG_FCOE_ERROR_CONFLICT_BIT
|
|
|
|
/* FCoE DDP related definitions */
|
|
#define I40E_FCOE_MIN_XID 0x0000 /* the min xid supported by fcoe_sw */
|
|
#define I40E_FCOE_MAX_XID 0x0FFF /* the max xid supported by fcoe_sw */
|
|
#define I40E_FCOE_DDP_BUFFCNT_MAX 512 /* 9 bits bufcnt */
|
|
#define I40E_FCOE_DDP_PTR_ALIGN 16
|
|
#define I40E_FCOE_DDP_PTR_MAX (I40E_FCOE_DDP_BUFFCNT_MAX * sizeof(dma_addr_t))
|
|
#define I40E_FCOE_DDP_BUF_MIN 4096
|
|
#define I40E_FCOE_DDP_MAX 2048
|
|
#define I40E_FCOE_FILTER_CTX_QW1_PCTYPE_SHIFT 8
|
|
|
|
/* supported netdev features for FCoE */
|
|
#define I40E_FCOE_NETIF_FEATURES (NETIF_F_ALL_FCOE | \
|
|
NETIF_F_HW_VLAN_CTAG_TX | \
|
|
NETIF_F_HW_VLAN_CTAG_RX | \
|
|
NETIF_F_HW_VLAN_CTAG_FILTER)
|
|
|
|
/* DDP context flags */
|
|
enum i40e_fcoe_ddp_flags {
|
|
__I40E_FCOE_DDP_NONE = 1,
|
|
__I40E_FCOE_DDP_TARGET,
|
|
__I40E_FCOE_DDP_INITALIZED,
|
|
__I40E_FCOE_DDP_PROGRAMMED,
|
|
__I40E_FCOE_DDP_DONE,
|
|
__I40E_FCOE_DDP_ABORTED,
|
|
__I40E_FCOE_DDP_UNMAPPED,
|
|
};
|
|
|
|
/* DDP SW context struct */
|
|
struct i40e_fcoe_ddp {
|
|
int len;
|
|
u16 xid;
|
|
u16 firstoff;
|
|
u16 lastsize;
|
|
u16 list_len;
|
|
u8 fcerr;
|
|
u8 prerr;
|
|
unsigned long flags;
|
|
unsigned int sgc;
|
|
struct scatterlist *sgl;
|
|
dma_addr_t udp;
|
|
u64 *udl;
|
|
struct dma_pool *pool;
|
|
|
|
};
|
|
|
|
struct i40e_fcoe_ddp_pool {
|
|
struct dma_pool *pool;
|
|
};
|
|
|
|
struct i40e_fcoe {
|
|
unsigned long mode;
|
|
atomic_t refcnt;
|
|
struct i40e_fcoe_ddp_pool __percpu *ddp_pool;
|
|
struct i40e_fcoe_ddp ddp[I40E_FCOE_DDP_MAX];
|
|
};
|
|
|
|
#endif /* _I40E_FCOE_H_ */
|