drivers/net/cnic_if.h - kernel/skids - Git at Google

 /* 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	"2.1.2"
 #define CNIC_MODULE_RELDATE	"May 26, 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_COMPLETION_CMD		0x105
 #define DRV_CTL_START_L2_CMD		0x106
 #define DRV_CTL_STOP_L2_CMD		0x107

 struct cnic_ctl_completion {
 	u32	cid;
 };

 struct drv_ctl_completion {
 	u32	comp_count;
 };

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

 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_completion comp;
 		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		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;

 	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		reserved0[2];

 	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
	/* 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 "2.1.2"
	#define CNIC_MODULE_RELDATE "May 26, 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_COMPLETION_CMD 0x105
	#define DRV_CTL_START_L2_CMD 0x106
	#define DRV_CTL_STOP_L2_CMD 0x107

	struct cnic_ctl_completion {
	u32 cid;
	};

	struct drv_ctl_completion {
	u32 comp_count;
	};

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

	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_completion comp;
	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 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;

	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 reserved0[2];

	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