1 files changed, 299 insertions, 0 deletions
diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h
new file mode 100644
index 00000000000..06380963a34
--- /dev/null
+++ b/drivers/net/cnic_if.h
@@ -0,0 +1,299 @@
+/* cnic_if.h: Broadcom CNIC core network driver.
+ *
+ * Copyright (c) 2006 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	"2.0.0"
+#define CNIC_MODULE_RELDATE	"May 21, 2009"
+
+#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
+
+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_info {
+	int	cmd;
+	union {
+		struct drv_ctl_completion comp;
+		struct drv_ctl_io io;
+		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;
+
+	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;
+};
+
+extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
+
+extern int cnic_unregister_driver(int ulp_type);
+
+#endif