[net-next-2.6.git] / drivers / net / cnic_if.h

/* cnic_if.h: Broadcom CNIC core network driver.
 *
 * Copyright (c) 2006-2010 Broadcom 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_IF_H
#define CNIC_IF_H

#define CNIC_MODULE_VERSION	"2.2.6"
#define CNIC_MODULE_RELDATE	"Oct 12, 2010"

#define CNIC_ULP_RDMA		0
#define CNIC_ULP_ISCSI		1
#define CNIC_ULP_L4		2
#define MAX_CNIC_ULP_TYPE_EXT	2
#define MAX_CNIC_ULP_TYPE	3

struct kwqe {
	u32 kwqe_op_flag;

#define KWQE_OPCODE_MASK	0x00ff0000
#define KWQE_OPCODE_SHIFT	16
#define KWQE_FLAGS_LAYER_SHIFT	28
#define KWQE_OPCODE(x)		((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT)

	u32 kwqe_info0;
	u32 kwqe_info1;
	u32 kwqe_info2;
	u32 kwqe_info3;
	u32 kwqe_info4;
	u32 kwqe_info5;
	u32 kwqe_info6;
};

struct kwqe_16 {
	u32 kwqe_info0;
	u32 kwqe_info1;
	u32 kwqe_info2;
	u32 kwqe_info3;
};

struct kcqe {
	u32 kcqe_info0;
	u32 kcqe_info1;
	u32 kcqe_info2;
	u32 kcqe_info3;
	u32 kcqe_info4;
	u32 kcqe_info5;
	u32 kcqe_info6;
	u32 kcqe_op_flag;
		#define KCQE_RAMROD_COMPLETION		(0x1<<27) /* Everest */
		#define KCQE_FLAGS_LAYER_MASK		(0x7<<28)
		#define KCQE_FLAGS_LAYER_MASK_MISC	(0<<28)
		#define KCQE_FLAGS_LAYER_MASK_L2	(2<<28)
		#define KCQE_FLAGS_LAYER_MASK_L3	(3<<28)
		#define KCQE_FLAGS_LAYER_MASK_L4	(4<<28)
		#define KCQE_FLAGS_LAYER_MASK_L5_RDMA	(5<<28)
		#define KCQE_FLAGS_LAYER_MASK_L5_ISCSI	(6<<28)
		#define KCQE_FLAGS_NEXT 		(1<<31)
		#define KCQE_FLAGS_OPCODE_MASK		(0xff<<16)
		#define KCQE_FLAGS_OPCODE_SHIFT		(16)
		#define KCQE_OPCODE(op)			\
		(((op) & KCQE_FLAGS_OPCODE_MASK) >> KCQE_FLAGS_OPCODE_SHIFT)
};

#define MAX_CNIC_CTL_DATA	64
#define MAX_DRV_CTL_DATA	64

#define CNIC_CTL_STOP_CMD		1
#define CNIC_CTL_START_CMD		2
#define CNIC_CTL_COMPLETION_CMD		3

#define DRV_CTL_IO_WR_CMD		0x101
#define DRV_CTL_IO_RD_CMD		0x102
#define DRV_CTL_CTX_WR_CMD		0x103
#define DRV_CTL_CTXTBL_WR_CMD		0x104
#define DRV_CTL_RET_L5_SPQ_CREDIT_CMD	0x105
#define DRV_CTL_START_L2_CMD		0x106
#define DRV_CTL_STOP_L2_CMD		0x107
#define DRV_CTL_RET_L2_SPQ_CREDIT_CMD	0x10c

struct cnic_ctl_completion {
	u32	cid;
};

struct cnic_ctl_info {
	int	cmd;
	union {
		struct cnic_ctl_completion comp;
		char bytes[MAX_CNIC_CTL_DATA];
	} data;
};

struct drv_ctl_spq_credit {
	u32	credit_count;
};

struct drv_ctl_io {
	u32		cid_addr;
	u32		offset;
	u32		data;
	dma_addr_t	dma_addr;
};

struct drv_ctl_l2_ring {
	u32		client_id;
	u32		cid;
};

struct drv_ctl_info {
	int	cmd;
	union {
		struct drv_ctl_spq_credit credit;
		struct drv_ctl_io io;
		struct drv_ctl_l2_ring ring;
		char bytes[MAX_DRV_CTL_DATA];
	} data;
};

struct cnic_ops {
	struct module	*cnic_owner;
	/* Calls to these functions are protected by RCU.  When
	 * unregistering, we wait for any calls to complete before
	 * continuing.
	 */
	int		(*cnic_handler)(void *, void *);
	int		(*cnic_ctl)(void *, struct cnic_ctl_info *);
};

#define MAX_CNIC_VEC	8

struct cnic_irq {
	unsigned int	vector;
	void		*status_blk;
	u32		status_blk_num;
	u32		status_blk_num2;
	u32		irq_flags;
#define CNIC_IRQ_FL_MSIX		0x00000001
};

struct cnic_eth_dev {
	struct module	*drv_owner;
	u32		drv_state;
#define CNIC_DRV_STATE_REGD		0x00000001
#define CNIC_DRV_STATE_USING_MSIX	0x00000002
	u32		chip_id;
	u32		max_kwqe_pending;
	struct pci_dev	*pdev;
	void __iomem	*io_base;
	void __iomem	*io_base2;
	void		*iro_arr;

	u32		ctx_tbl_offset;
	u32		ctx_tbl_len;
	int		ctx_blk_size;
	u32		starting_cid;
	u32		max_iscsi_conn;
	u32		max_fcoe_conn;
	u32		max_rdma_conn;
	u32		fcoe_init_cid;
	u16		iscsi_l2_client_id;
	u16		iscsi_l2_cid;

	int		num_irq;
	struct cnic_irq	irq_arr[MAX_CNIC_VEC];
	int		(*drv_register_cnic)(struct net_device *,
					     struct cnic_ops *, void *);
	int		(*drv_unregister_cnic)(struct net_device *);
	int		(*drv_submit_kwqes_32)(struct net_device *,
					       struct kwqe *[], u32);
	int		(*drv_submit_kwqes_16)(struct net_device *,
					       struct kwqe_16 *[], u32);
	int		(*drv_ctl)(struct net_device *, struct drv_ctl_info *);
	unsigned long	reserved1[2];
};

struct cnic_sockaddr {
	union {
		struct sockaddr_in	v4;
		struct sockaddr_in6	v6;
	} local;
	union {
		struct sockaddr_in	v4;
		struct sockaddr_in6	v6;
	} remote;
};

struct cnic_sock {
	struct cnic_dev *dev;
	void	*context;
	u32	src_ip[4];
	u32	dst_ip[4];
	u16	src_port;
	u16	dst_port;
	u16	vlan_id;
	unsigned char old_ha[6];
	unsigned char ha[6];
	u32	mtu;
	u32	cid;
	u32	l5_cid;
	u32	pg_cid;
	int	ulp_type;

	u32	ka_timeout;
	u32	ka_interval;
	u8	ka_max_probe_count;
	u8	tos;
	u8	ttl;
	u8	snd_seq_scale;
	u32	rcv_buf;
	u32	snd_buf;
	u32	seed;

	unsigned long	tcp_flags;
#define SK_TCP_NO_DELAY_ACK	0x1
#define SK_TCP_KEEP_ALIVE	0x2
#define SK_TCP_NAGLE		0x4
#define SK_TCP_TIMESTAMP	0x8
#define SK_TCP_SACK		0x10
#define SK_TCP_SEG_SCALING	0x20
	unsigned long	flags;
#define SK_F_INUSE		0
#define SK_F_OFFLD_COMPLETE	1
#define SK_F_OFFLD_SCHED	2
#define SK_F_PG_OFFLD_COMPLETE	3
#define SK_F_CONNECT_START	4
#define SK_F_IPV6		5
#define SK_F_CLOSING		7

	atomic_t ref_count;
	u32 state;
	struct kwqe kwqe1;
	struct kwqe kwqe2;
	struct kwqe kwqe3;
};

struct cnic_dev {
	struct net_device	*netdev;
	struct pci_dev		*pcidev;
	void __iomem		*regview;
	struct list_head	list;

	int (*register_device)(struct cnic_dev *dev, int ulp_type,
			       void *ulp_ctx);
	int (*unregister_device)(struct cnic_dev *dev, int ulp_type);
	int (*submit_kwqes)(struct cnic_dev *dev, struct kwqe *wqes[],
				u32 num_wqes);
	int (*submit_kwqes_16)(struct cnic_dev *dev, struct kwqe_16 *wqes[],
				u32 num_wqes);

	int (*cm_create)(struct cnic_dev *, int, u32, u32, struct cnic_sock **,
			 void *);
	int (*cm_destroy)(struct cnic_sock *);
	int (*cm_connect)(struct cnic_sock *, struct cnic_sockaddr *);
	int (*cm_abort)(struct cnic_sock *);
	int (*cm_close)(struct cnic_sock *);
	struct cnic_dev *(*cm_select_dev)(struct sockaddr_in *, int ulp_type);
	int (*iscsi_nl_msg_recv)(struct cnic_dev *dev, u32 msg_type,
				 char *data, u16 data_size);
	unsigned long	flags;
#define CNIC_F_CNIC_UP		1
#define CNIC_F_BNX2_CLASS	3
#define CNIC_F_BNX2X_CLASS	4
	atomic_t	ref_count;
	u8		mac_addr[6];

	int		max_iscsi_conn;
	int		max_fcoe_conn;
	int		max_rdma_conn;

	void		*cnic_priv;
};

#define CNIC_WR(dev, off, val)		writel(val, dev->regview + off)
#define CNIC_WR16(dev, off, val)	writew(val, dev->regview + off)
#define CNIC_WR8(dev, off, val)		writeb(val, dev->regview + off)
#define CNIC_RD(dev, off)		readl(dev->regview + off)
#define CNIC_RD16(dev, off)		readw(dev->regview + off)

struct cnic_ulp_ops {
	/* Calls to these functions are protected by RCU.  When
	 * unregistering, we wait for any calls to complete before
	 * continuing.
	 */

	void (*cnic_init)(struct cnic_dev *dev);
	void (*cnic_exit)(struct cnic_dev *dev);
	void (*cnic_start)(void *ulp_ctx);
	void (*cnic_stop)(void *ulp_ctx);
	void (*indicate_kcqes)(void *ulp_ctx, struct kcqe *cqes[],
				u32 num_cqes);
	void (*indicate_netevent)(void *ulp_ctx, unsigned long event);
	void (*cm_connect_complete)(struct cnic_sock *);
	void (*cm_close_complete)(struct cnic_sock *);
	void (*cm_abort_complete)(struct cnic_sock *);
	void (*cm_remote_close)(struct cnic_sock *);
	void (*cm_remote_abort)(struct cnic_sock *);
	void (*iscsi_nl_send_msg)(struct cnic_dev *dev, u32 msg_type,
				  char *data, u16 data_size);
	struct module *owner;
	atomic_t ref_count;
};

extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);

extern int cnic_unregister_driver(int ulp_type);

extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev);
extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);

#endif
Commit	Line	Data
a4636960 MC	1	/* cnic_if.h: Broadcom CNIC core network driver.
a4636960 MC	2	*
1d9cfc4e	3	* Copyright (c) 2006-2010 Broadcom Corporation
a4636960 MC	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation.
	8	*
	9	*/
	10
	11
	12	#ifndef CNIC_IF_H
	13	#define CNIC_IF_H
	14
ee87a82a MC	15	#define CNIC_MODULE_VERSION "2.2.6"
ee87a82a MC	16	#define CNIC_MODULE_RELDATE "Oct 12, 2010"
a4636960 MC	17
	18	#define CNIC_ULP_RDMA 0
	19	#define CNIC_ULP_ISCSI 1
	20	#define CNIC_ULP_L4 2
	21	#define MAX_CNIC_ULP_TYPE_EXT 2
	22	#define MAX_CNIC_ULP_TYPE 3
	23
	24	struct kwqe {
	25	u32 kwqe_op_flag;
	26
	27	#define KWQE_OPCODE_MASK 0x00ff0000
	28	#define KWQE_OPCODE_SHIFT 16
	29	#define KWQE_FLAGS_LAYER_SHIFT 28
	30	#define KWQE_OPCODE(x) ((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT)
	31
	32	u32 kwqe_info0;
	33	u32 kwqe_info1;
	34	u32 kwqe_info2;
	35	u32 kwqe_info3;
	36	u32 kwqe_info4;
	37	u32 kwqe_info5;
	38	u32 kwqe_info6;
	39	};
	40
	41	struct kwqe_16 {
	42	u32 kwqe_info0;
	43	u32 kwqe_info1;
	44	u32 kwqe_info2;
	45	u32 kwqe_info3;
	46	};
	47
	48	struct kcqe {
	49	u32 kcqe_info0;
	50	u32 kcqe_info1;
	51	u32 kcqe_info2;
	52	u32 kcqe_info3;
	53	u32 kcqe_info4;
	54	u32 kcqe_info5;
	55	u32 kcqe_info6;
	56	u32 kcqe_op_flag;
	57	#define KCQE_RAMROD_COMPLETION (0x1<<27) /* Everest */
	58	#define KCQE_FLAGS_LAYER_MASK (0x7<<28)
	59	#define KCQE_FLAGS_LAYER_MASK_MISC (0<<28)
	60	#define KCQE_FLAGS_LAYER_MASK_L2 (2<<28)
	61	#define KCQE_FLAGS_LAYER_MASK_L3 (3<<28)
	62	#define KCQE_FLAGS_LAYER_MASK_L4 (4<<28)
	63	#define KCQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28)
	64	#define KCQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28)
	65	#define KCQE_FLAGS_NEXT (1<<31)
	66	#define KCQE_FLAGS_OPCODE_MASK (0xff<<16)
	67	#define KCQE_FLAGS_OPCODE_SHIFT (16)
	68	#define KCQE_OPCODE(op) \
	69	(((op) & KCQE_FLAGS_OPCODE_MASK) >> KCQE_FLAGS_OPCODE_SHIFT)
	70	};
	71
	72	#define MAX_CNIC_CTL_DATA 64
	73	#define MAX_DRV_CTL_DATA 64
	74
	75	#define CNIC_CTL_STOP_CMD 1
	76	#define CNIC_CTL_START_CMD 2
	77	#define CNIC_CTL_COMPLETION_CMD 3
	78
	79	#define DRV_CTL_IO_WR_CMD 0x101
	80	#define DRV_CTL_IO_RD_CMD 0x102
81	#define DRV_CTL_CTX_WR_CMD 0x103
82	#define DRV_CTL_CTXTBL_WR_CMD 0x104
c2bff63f	83	#define DRV_CTL_RET_L5_SPQ_CREDIT_CMD 0x105
993ac7b5 MC	84	#define DRV_CTL_START_L2_CMD 0x106
993ac7b5 MC	85	#define DRV_CTL_STOP_L2_CMD 0x107
c2bff63f	86	#define DRV_CTL_RET_L2_SPQ_CREDIT_CMD 0x10c
a4636960 MC	87
	88	struct cnic_ctl_completion {
	89	u32 cid;
	90	};
	91
a4636960 MC	92	struct cnic_ctl_info {
	93	int cmd;
	94	union {
	95	struct cnic_ctl_completion comp;
	96	char bytes[MAX_CNIC_CTL_DATA];
	97	} data;
	98	};
	99
c2bff63f DK	100	struct drv_ctl_spq_credit {
	101	u32 credit_count;
	102	};
	103
a4636960 MC	104	struct drv_ctl_io {
	105	u32 cid_addr;
	106	u32 offset;
	107	u32 data;
	108	dma_addr_t dma_addr;
	109	};
	110
993ac7b5 MC	111	struct drv_ctl_l2_ring {
	112	u32 client_id;
	113	u32 cid;
	114	};
	115
a4636960 MC	116	struct drv_ctl_info {
	117	int cmd;
	118	union {
c2bff63f	119	struct drv_ctl_spq_credit credit;
a4636960	120	struct drv_ctl_io io;
993ac7b5	121	struct drv_ctl_l2_ring ring;
a4636960 MC	122	char bytes[MAX_DRV_CTL_DATA];
	123	} data;
	124	};
	125
	126	struct cnic_ops {
	127	struct module *cnic_owner;
	128	/* Calls to these functions are protected by RCU. When
	129	* unregistering, we wait for any calls to complete before
	130	* continuing.
	131	*/
	132	int (cnic_handler)(void , void *);
	133	int (cnic_ctl)(void , struct cnic_ctl_info *);
	134	};
	135
	136	#define MAX_CNIC_VEC 8
	137
	138	struct cnic_irq {
	139	unsigned int vector;
	140	void *status_blk;
	141	u32 status_blk_num;
523224a3	142	u32 status_blk_num2;
a4636960 MC	143	u32 irq_flags;
	144	#define CNIC_IRQ_FL_MSIX 0x00000001
	145	};
	146
	147	struct cnic_eth_dev {
	148	struct module *drv_owner;
	149	u32 drv_state;
	150	#define CNIC_DRV_STATE_REGD 0x00000001
	151	#define CNIC_DRV_STATE_USING_MSIX 0x00000002
	152	u32 chip_id;
	153	u32 max_kwqe_pending;
	154	struct pci_dev *pdev;
	155	void __iomem *io_base;
993ac7b5	156	void __iomem *io_base2;
523224a3	157	void *iro_arr;
a4636960 MC	158
	159	u32 ctx_tbl_offset;
	160	u32 ctx_tbl_len;
	161	int ctx_blk_size;
	162	u32 starting_cid;
	163	u32 max_iscsi_conn;
	164	u32 max_fcoe_conn;
	165	u32 max_rdma_conn;
c2bff63f DK	166	u32 fcoe_init_cid;
	167	u16 iscsi_l2_client_id;
	168	u16 iscsi_l2_cid;
a4636960 MC	169
	170	int num_irq;
	171	struct cnic_irq irq_arr[MAX_CNIC_VEC];
	172	int (drv_register_cnic)(struct net_device ,
	173	struct cnic_ops , void );
	174	int (drv_unregister_cnic)(struct net_device );
	175	int (drv_submit_kwqes_32)(struct net_device ,
	176	struct kwqe *[], u32);
	177	int (drv_submit_kwqes_16)(struct net_device ,
	178	struct kwqe_16 *[], u32);
	179	int (drv_ctl)(struct net_device , struct drv_ctl_info *);
	180	unsigned long reserved1[2];
	181	};
	182
	183	struct cnic_sockaddr {
	184	union {
	185	struct sockaddr_in v4;
	186	struct sockaddr_in6 v6;
	187	} local;
	188	union {
	189	struct sockaddr_in v4;
	190	struct sockaddr_in6 v6;
	191	} remote;
	192	};
	193
	194	struct cnic_sock {
	195	struct cnic_dev *dev;
	196	void *context;
	197	u32 src_ip[4];
	198	u32 dst_ip[4];
	199	u16 src_port;
	200	u16 dst_port;
	201	u16 vlan_id;
	202	unsigned char old_ha[6];
	203	unsigned char ha[6];
	204	u32 mtu;
	205	u32 cid;
	206	u32 l5_cid;
	207	u32 pg_cid;
	208	int ulp_type;
	209
	210	u32 ka_timeout;
	211	u32 ka_interval;
	212	u8 ka_max_probe_count;
	213	u8 tos;
	214	u8 ttl;
	215	u8 snd_seq_scale;
	216	u32 rcv_buf;
	217	u32 snd_buf;
	218	u32 seed;
	219
	220	unsigned long tcp_flags;
	221	#define SK_TCP_NO_DELAY_ACK 0x1
	222	#define SK_TCP_KEEP_ALIVE 0x2
	223	#define SK_TCP_NAGLE 0x4
	224	#define SK_TCP_TIMESTAMP 0x8
	225	#define SK_TCP_SACK 0x10
	226	#define SK_TCP_SEG_SCALING 0x20
	227	unsigned long flags;
	228	#define SK_F_INUSE 0
	229	#define SK_F_OFFLD_COMPLETE 1
	230	#define SK_F_OFFLD_SCHED 2
	231	#define SK_F_PG_OFFLD_COMPLETE 3
	232	#define SK_F_CONNECT_START 4
233	#define SK_F_IPV6 5
234	#define SK_F_CLOSING 7
235
236	atomic_t ref_count;
237	u32 state;
238	struct kwqe kwqe1;
239	struct kwqe kwqe2;
240	struct kwqe kwqe3;
241	};
242
243	struct cnic_dev {
244	struct net_device *netdev;
245	struct pci_dev *pcidev;
246	void __iomem *regview;
247	struct list_head list;
248
249	int (register_device)(struct cnic_dev dev, int ulp_type,
250	void *ulp_ctx);
251	int (unregister_device)(struct cnic_dev dev, int ulp_type);
252	int (submit_kwqes)(struct cnic_dev dev, struct kwqe *wqes[],
253	u32 num_wqes);
254	int (submit_kwqes_16)(struct cnic_dev dev, struct kwqe_16 *wqes[],
255	u32 num_wqes);
256
257	int (cm_create)(struct cnic_dev , int, u32, u32, struct cnic_sock **,
258	void *);
259	int (cm_destroy)(struct cnic_sock );
260	int (cm_connect)(struct cnic_sock , struct cnic_sockaddr *);
261	int (cm_abort)(struct cnic_sock );
262	int (cm_close)(struct cnic_sock );
263	struct cnic_dev (cm_select_dev)(struct sockaddr_in *, int ulp_type);
264	int (iscsi_nl_msg_recv)(struct cnic_dev dev, u32 msg_type,
265	char *data, u16 data_size);
266	unsigned long flags;
267	#define CNIC_F_CNIC_UP 1
268	#define CNIC_F_BNX2_CLASS 3
269	#define CNIC_F_BNX2X_CLASS 4
270	atomic_t ref_count;
271	u8 mac_addr[6];
272
273	int max_iscsi_conn;
274	int max_fcoe_conn;
275	int max_rdma_conn;
276
277	void *cnic_priv;
278	};
279
280	#define CNIC_WR(dev, off, val) writel(val, dev->regview + off)
281	#define CNIC_WR16(dev, off, val) writew(val, dev->regview + off)
282	#define CNIC_WR8(dev, off, val) writeb(val, dev->regview + off)
283	#define CNIC_RD(dev, off) readl(dev->regview + off)
284	#define CNIC_RD16(dev, off) readw(dev->regview + off)
285
286	struct cnic_ulp_ops {
287	/* Calls to these functions are protected by RCU. When
288	* unregistering, we wait for any calls to complete before
289	* continuing.
290	*/
291
292	void (cnic_init)(struct cnic_dev dev);
293	void (cnic_exit)(struct cnic_dev dev);
294	void (cnic_start)(void ulp_ctx);
295	void (cnic_stop)(void ulp_ctx);
296	void (indicate_kcqes)(void ulp_ctx, struct kcqe *cqes[],
297	u32 num_cqes);
298	void (indicate_netevent)(void ulp_ctx, unsigned long event);
299	void (cm_connect_complete)(struct cnic_sock );
300	void (cm_close_complete)(struct cnic_sock );
301	void (cm_abort_complete)(struct cnic_sock );
302	void (cm_remote_close)(struct cnic_sock );
303	void (cm_remote_abort)(struct cnic_sock );
304	void (iscsi_nl_send_msg)(struct cnic_dev dev, u32 msg_type,
305	char *data, u16 data_size);
306	struct module *owner;
7fc1ece4	307	atomic_t ref_count;
a4636960 MC	308	};
	309
	310	extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
	311
	312	extern int cnic_unregister_driver(int ulp_type);
	313
e2ee3616	314	extern struct cnic_eth_dev bnx2_cnic_probe(struct net_device dev);
993ac7b5	315	extern struct cnic_eth_dev bnx2x_cnic_probe(struct net_device dev);
e2ee3616	316
a4636960	317	#endif