/* 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
