Release 4.7 drivers/net/ethernet/broadcom/cnic.h

/* cnic.h: QLogic CNIC core network driver.
 *
 * Copyright (c) 2006-2014 Broadcom Corporation
 * Copyright (c) 2014 QLogic Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 */


#ifndef CNIC_H

#define CNIC_H


#define HC_INDEX_ISCSI_EQ_CONS			6


#define HC_INDEX_FCOE_EQ_CONS			3


#define HC_SP_INDEX_ETH_ISCSI_CQ_CONS		5

#define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS	1


#define KWQ_PAGE_CNT	4

#define KCQ_PAGE_CNT	16


#define KWQ_CID 		24

#define KCQ_CID 		25

/*
 *      krnlq_context definition
 */

#define L5_KRNLQ_FLAGS	0x00000000

#define L5_KRNLQ_SIZE	0x00000000

#define L5_KRNLQ_TYPE	0x00000000

#define KRNLQ_FLAGS_PG_SZ					(0xf<<0)

#define KRNLQ_FLAGS_PG_SZ_256					(0<<0)

#define KRNLQ_FLAGS_PG_SZ_512					(1<<0)

#define KRNLQ_FLAGS_PG_SZ_1K					(2<<0)

#define KRNLQ_FLAGS_PG_SZ_2K					(3<<0)

#define KRNLQ_FLAGS_PG_SZ_4K					(4<<0)

#define KRNLQ_FLAGS_PG_SZ_8K					(5<<0)

#define KRNLQ_FLAGS_PG_SZ_16K					(6<<0)

#define KRNLQ_FLAGS_PG_SZ_32K					(7<<0)

#define KRNLQ_FLAGS_PG_SZ_64K					(8<<0)

#define KRNLQ_FLAGS_PG_SZ_128K					(9<<0)

#define KRNLQ_FLAGS_PG_SZ_256K					(10<<0)

#define KRNLQ_FLAGS_PG_SZ_512K					(11<<0)

#define KRNLQ_FLAGS_PG_SZ_1M					(12<<0)

#define KRNLQ_FLAGS_PG_SZ_2M					(13<<0)

#define KRNLQ_FLAGS_QE_SELF_SEQ					(1<<15)

#define KRNLQ_SIZE_TYPE_SIZE	((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16)

#define KRNLQ_TYPE_TYPE						(0xf<<28)

#define KRNLQ_TYPE_TYPE_EMPTY					(0<<28)

#define KRNLQ_TYPE_TYPE_KRNLQ					(6<<28)


#define L5_KRNLQ_HOST_QIDX		0x00000004

#define L5_KRNLQ_HOST_FW_QIDX		0x00000008

#define L5_KRNLQ_NX_QE_SELF_SEQ 	0x0000000c

#define L5_KRNLQ_QE_SELF_SEQ_MAX	0x0000000c

#define L5_KRNLQ_NX_QE_HADDR_HI 	0x00000010

#define L5_KRNLQ_NX_QE_HADDR_LO 	0x00000014

#define L5_KRNLQ_PGTBL_PGIDX		0x00000018

#define L5_KRNLQ_NX_PG_QIDX 		0x00000018

#define L5_KRNLQ_PGTBL_NPAGES		0x0000001c

#define L5_KRNLQ_QIDX_INCR		0x0000001c

#define L5_KRNLQ_PGTBL_HADDR_HI 	0x00000020

#define L5_KRNLQ_PGTBL_HADDR_LO 	0x00000024


#define BNX2_PG_CTX_MAP			0x1a0034

#define BNX2_ISCSI_CTX_MAP		0x1a0074


#define MAX_COMPLETED_KCQE	64


#define MAX_CNIC_L5_CONTEXT	256


#define MAX_CM_SK_TBL_SZ	MAX_CNIC_L5_CONTEXT


#define MAX_ISCSI_TBL_SZ	256


#define CNIC_LOCAL_PORT_MIN	60000

#define CNIC_LOCAL_PORT_MAX	61024

#define CNIC_LOCAL_PORT_RANGE	(CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN)


#define KWQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kwqe))

#define KCQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kcqe))

#define MAX_KWQE_CNT (KWQE_CNT - 1)

#define MAX_KCQE_CNT (KCQE_CNT - 1)


#define MAX_KWQ_IDX	((KWQ_PAGE_CNT * KWQE_CNT) - 1)

#define MAX_KCQ_IDX	((KCQ_PAGE_CNT * KCQE_CNT) - 1)


#define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BNX2_PAGE_BITS - 5))

#define KWQ_IDX(x) ((x) & MAX_KWQE_CNT)


#define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BNX2_PAGE_BITS - 5))

#define KCQ_IDX(x) ((x) & MAX_KCQE_CNT)


#define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) ==          \
                (MAX_KCQE_CNT - 1)) ?                                   \
                (x) + 2 : (x) + 1


#define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp)

#define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp)

#define BNX2X_KWQ_DATA(cp, x)						\
	&(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]


#define DEF_IPID_START		0x8000


#define DEF_KA_TIMEOUT		10000

#define DEF_KA_INTERVAL		300000

#define DEF_KA_MAX_PROBE_COUNT	3

#define DEF_TOS			0

#define DEF_TTL			0xfe

#define DEF_SND_SEQ_SCALE	0

#define DEF_RCV_BUF		0xffff

#define DEF_SND_BUF		0xffff

#define DEF_SEED		0

#define DEF_MAX_RT_TIME		500

#define DEF_MAX_DA_COUNT	2

#define DEF_SWS_TIMER		1000

#define DEF_MAX_CWND		0xffff


struct cnic_ctx {
	
u32		cid;
	
void		*ctx;
	
dma_addr_t	mapping;
};


#define BNX2_MAX_CID		0x2000


struct cnic_dma {
	
int		num_pages;
	
void		**pg_arr;
	
dma_addr_t	*pg_map_arr;
	
int		pgtbl_size;
	
u32		*pgtbl;
	
dma_addr_t	pgtbl_map;
};


struct cnic_id_tbl {
	
spinlock_t	lock;
	
u32		start;
	
u32		max;
	
u32		next;
	
unsigned long	*table;
};


#define CNIC_KWQ16_DATA_SIZE	128


struct kwqe_16_data {
	
u8	data[CNIC_KWQ16_DATA_SIZE];
};


struct cnic_iscsi {
	
struct cnic_dma		task_array_info;
	
struct cnic_dma		r2tq_info;
	
struct cnic_dma		hq_info;
};


struct cnic_context {
	
u32			cid;
	
struct kwqe_16_data	*kwqe_data;
	
dma_addr_t		kwqe_data_mapping;
	
wait_queue_head_t	waitq;
	
int			wait_cond;
	
unsigned long		timestamp;
	
unsigned long		ctx_flags;

#define	CTX_FL_OFFLD_START	0

#define	CTX_FL_DELETE_WAIT	1

#define	CTX_FL_CID_ERROR	2
	
u8			ulp_proto_id;
	union {
		
struct cnic_iscsi	*iscsi;
	} 
proto;
};


struct kcq_info {
	
struct cnic_dma	dma;
	
struct kcqe	**kcq;

	
u16		*hw_prod_idx_ptr;
	
u16		sw_prod_idx;
	
u16		*status_idx_ptr;
	
u32		io_addr;

	
u16		(*next_idx)(u16);
	
u16		(*hw_idx)(u16);
};


#define UIO_USE_TX_DOORBELL 0x017855DB


struct cnic_uio_dev {
	
struct uio_info		cnic_uinfo;
	
u32			uio_dev;

	
int			l2_ring_size;
	
void			*l2_ring;
	
dma_addr_t		l2_ring_map;

	
int			l2_buf_size;
	
void			*l2_buf;
	
dma_addr_t		l2_buf_map;

	
struct cnic_dev		*dev;
	
struct pci_dev		*pdev;
	
struct list_head	list;
};


struct cnic_local {

	
spinlock_t cnic_ulp_lock;
	
void *ulp_handle[MAX_CNIC_ULP_TYPE];
	
unsigned long ulp_flags[MAX_CNIC_ULP_TYPE];

#define ULP_F_INIT	0

#define ULP_F_START	1

#define ULP_F_CALL_PENDING	2
	
struct cnic_ulp_ops __rcu *ulp_ops[MAX_CNIC_ULP_TYPE];

	
unsigned long cnic_local_flags;

#define	CNIC_LCL_FL_KWQ_INIT		0x0

#define	CNIC_LCL_FL_L2_WAIT		0x1

#define	CNIC_LCL_FL_RINGS_INITED	0x2

#define	CNIC_LCL_FL_STOP_ISCSI		0x4

	
struct cnic_dev *dev;

	
struct cnic_eth_dev *ethdev;

	
struct cnic_uio_dev *udev;

	
int		l2_rx_ring_size;
	
int		l2_single_buf_size;

	
u16		*rx_cons_ptr;
	
u16		*tx_cons_ptr;
	
u16		rx_cons;
	
u16		tx_cons;

	
struct cnic_dma		kwq_info;
	
struct kwqe		**kwq;

	
struct cnic_dma		kwq_16_data_info;

	
u16		max_kwq_idx;

	
u16		kwq_prod_idx;
	
u32		kwq_io_addr;

	
u16		*kwq_con_idx_ptr;
	
u16		kwq_con_idx;

	
struct kcq_info	kcq1;
	
struct kcq_info	kcq2;

	union {
		
void				*gen;
		
struct status_block_msix	*bnx2;
		
struct host_hc_status_block_e1x	*bnx2x_e1x;
		/* index values - which counter to update */
		
#define SM_RX_ID		0
		
#define SM_TX_ID		1
	} 
status_blk;

	
struct host_sp_status_block	*bnx2x_def_status_blk;

	
u32				status_blk_num;
	
u32				bnx2x_igu_sb_id;
	
u32				int_num;
	
u32				last_status_idx;
	
struct tasklet_struct		cnic_irq_task;

	
struct kcqe		*completed_kcq[MAX_COMPLETED_KCQE];

	
struct cnic_sock	*csk_tbl;
	
struct cnic_id_tbl	csk_port_tbl;

	
struct cnic_dma		gbl_buf_info;

	
struct cnic_iscsi	*iscsi_tbl;
	
struct cnic_context	*ctx_tbl;
	
struct cnic_id_tbl	cid_tbl;
	
atomic_t		iscsi_conn;
	
u32			iscsi_start_cid;

	
u32			fcoe_init_cid;
	
u32			fcoe_start_cid;
	
struct cnic_id_tbl	fcoe_cid_tbl;

	
u32			max_cid_space;

	/* per connection parameters */
	
int			num_iscsi_tasks;
	
int			num_ccells;
	
int			task_array_size;
	
int			r2tq_size;
	
int			hq_size;
	
int			num_cqs;

	
struct delayed_work	delete_task;

	
struct cnic_ctx		*ctx_arr;
	
int			ctx_blks;
	
int			ctx_blk_size;
	
unsigned long		ctx_align;
	
int			cids_per_blk;

	
u32			chip_id;
	
int			func;

	
u32			shmem_base;

	
struct cnic_ops		*cnic_ops;
	
int			(*start_hw)(struct cnic_dev *);
	
void			(*stop_hw)(struct cnic_dev *);
	
void			(*setup_pgtbl)(struct cnic_dev *,
					       struct cnic_dma *);
	
int			(*alloc_resc)(struct cnic_dev *);
	
void			(*free_resc)(struct cnic_dev *);
	
int			(*start_cm)(struct cnic_dev *);
	
void			(*stop_cm)(struct cnic_dev *);
	
void			(*enable_int)(struct cnic_dev *);
	
void			(*disable_int_sync)(struct cnic_dev *);
	
void			(*ack_int)(struct cnic_dev *);
	
void			(*arm_int)(struct cnic_dev *, u32 index);
	
void			(*close_conn)(struct cnic_sock *, u32 opcode);
};


struct bnx2x_bd_chain_next {
	
u32	addr_lo;
	
u32	addr_hi;
	
u8	reserved[8];
};


#define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T 	(1)


#define ISCSI_RAMROD_CMD_ID_UPDATE_CONN		(ISCSI_KCQE_OPCODE_UPDATE_CONN)

#define ISCSI_RAMROD_CMD_ID_INIT		(ISCSI_KCQE_OPCODE_INIT)


#define CDU_REGION_NUMBER_XCM_AG 2

#define CDU_REGION_NUMBER_UCM_AG 4


#define CDU_VALID_DATA(_cid, _region, _type)	\
	(((_cid) << 8) | (((_region)&0xf)<<4) | (((_type)&0xf)))


#define CDU_CRC8(_cid, _region, _type)	\
	(calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff))


#define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type)	\
	(0x80 | ((CDU_CRC8(_cid, _region, _type)) & 0x7f))


#define BNX2X_CONTEXT_MEM_SIZE		1024

#define BNX2X_FCOE_CID			16


#define BNX2X_ISCSI_START_CID		18

#define BNX2X_ISCSI_NUM_CONNECTIONS	128

#define BNX2X_ISCSI_TASK_CONTEXT_SIZE	128

#define BNX2X_ISCSI_MAX_PENDING_R2TS	4

#define BNX2X_ISCSI_R2TQE_SIZE		8

#define BNX2X_ISCSI_HQ_BD_SIZE		64

#define BNX2X_ISCSI_GLB_BUF_SIZE	64

#define BNX2X_ISCSI_PBL_NOT_CACHED	0xff

#define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED	0xff


#define BNX2X_FCOE_NUM_CONNECTIONS	1024


#define BNX2X_FCOE_L5_CID_BASE		MAX_ISCSI_TBL_SZ


#define BNX2X_CHIP_IS_E2_PLUS(bp) (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))


#define BNX2X_RX_DESC_CNT		(BNX2_PAGE_SIZE / \
                                         sizeof(struct eth_rx_bd))

#define BNX2X_MAX_RX_DESC_CNT		(BNX2X_RX_DESC_CNT - 2)

#define BNX2X_RCQ_DESC_CNT		(BNX2_PAGE_SIZE / \
                                         sizeof(union eth_rx_cqe))

#define BNX2X_MAX_RCQ_DESC_CNT		(BNX2X_RCQ_DESC_CNT - 1)


#define BNX2X_NEXT_RCQE(x) (((x) & BNX2X_MAX_RCQ_DESC_CNT) ==              \
                (BNX2X_MAX_RCQ_DESC_CNT - 1)) ?                         \
                ((x) + 2) : ((x) + 1)


#define BNX2X_DEF_SB_ID			HC_SP_SB_ID


#define BNX2X_SHMEM_MF_BLK_OFFSET	0x7e4


#define BNX2X_SHMEM_ADDR(base, field)	(base + \
                                         offsetof(struct shmem_region, field))


#define BNX2X_SHMEM2_ADDR(base, field)	(base + \
                                         offsetof(struct shmem2_region, field))


#define BNX2X_SHMEM2_HAS(base, field)				\
		((base) &&                                      \
                 (CNIC_RD(dev, BNX2X_SHMEM2_ADDR(base, size)) > \
                  offsetof(struct shmem2_region, field)))


#define BNX2X_MF_CFG_ADDR(base, field)				\
			((base) + offsetof(struct mf_cfg, field))

#ifndef ETH_MAX_RX_CLIENTS_E2

#define ETH_MAX_RX_CLIENTS_E2 		ETH_MAX_RX_CLIENTS_E1H
#endif


#define CNIC_FUNC(cp)			((cp)->func)


#define BNX2X_HW_CID(bp, x)		((BP_PORT(bp) << 23) | \
                                         (BP_VN(bp) << 17) | (x))


#define BNX2X_SW_CID(x)			(x & 0x1ffff)


#define BNX2X_CL_QZONE_ID(bp, cli)					\
		(BNX2X_CHIP_IS_E2_PLUS(bp) ? cli :                      \
                 cli + (BP_PORT(bp) * ETH_MAX_RX_CLIENTS_E1H))

#ifndef MAX_STAT_COUNTER_ID

#define MAX_STAT_COUNTER_ID						\
	(CHIP_IS_E1H(bp) ? MAX_STAT_COUNTER_ID_E1H :                    \
         ((BNX2X_CHIP_IS_E2_PLUS(bp)) ? MAX_STAT_COUNTER_ID_E2 :        \
          MAX_STAT_COUNTER_ID_E1))
#endif


#define CNIC_SUPPORTS_FCOE(cp)						\
	(BNX2X_CHIP_IS_E2_PLUS(bp) && !NO_FCOE(bp))


#define CNIC_RAMROD_TMO			(HZ / 4)

#endif

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Directory: drivers/net/ethernet/broadcom

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