| /* cnic_if.h: Broadcom CNIC core network driver. |
| * |
| * Copyright (c) 2006-2014 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 |
| |
| #include "bnx2x/bnx2x_mfw_req.h" |
| |
| #define CNIC_MODULE_VERSION "2.5.20" |
| #define CNIC_MODULE_RELDATE "March 14, 2014" |
| |
| #define CNIC_ULP_RDMA 0 |
| #define CNIC_ULP_ISCSI 1 |
| #define CNIC_ULP_FCOE 2 |
| #define CNIC_ULP_L4 3 |
| #define MAX_CNIC_ULP_TYPE_EXT 3 |
| #define MAX_CNIC_ULP_TYPE 4 |
| |
| /* Use CPU native page size up to 16K for cnic ring sizes. */ |
| #if (PAGE_SHIFT > 14) |
| #define CNIC_PAGE_BITS 14 |
| #else |
| #define CNIC_PAGE_BITS PAGE_SHIFT |
| #endif |
| #define CNIC_PAGE_SIZE (1 << (CNIC_PAGE_BITS)) |
| #define CNIC_PAGE_ALIGN(addr) ALIGN(addr, CNIC_PAGE_SIZE) |
| #define CNIC_PAGE_MASK (~((CNIC_PAGE_SIZE) - 1)) |
| |
| struct kwqe { |
| u32 kwqe_op_flag; |
| |
| #define KWQE_QID_SHIFT 8 |
| #define KWQE_OPCODE_MASK 0x00ff0000 |
| #define KWQE_OPCODE_SHIFT 16 |
| #define KWQE_OPCODE(x) ((x & KWQE_OPCODE_MASK) >> KWQE_OPCODE_SHIFT) |
| #define KWQE_LAYER_MASK 0x70000000 |
| #define KWQE_LAYER_SHIFT 28 |
| #define KWQE_FLAGS_LAYER_MASK_L2 (2<<28) |
| #define KWQE_FLAGS_LAYER_MASK_L3 (3<<28) |
| #define KWQE_FLAGS_LAYER_MASK_L4 (4<<28) |
| #define KWQE_FLAGS_LAYER_MASK_L5_RDMA (5<<28) |
| #define KWQE_FLAGS_LAYER_MASK_L5_ISCSI (6<<28) |
| #define KWQE_FLAGS_LAYER_MASK_L5_FCOE (7<<28) |
| |
| 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_LAYER_MASK_L5_FCOE (7<<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 CNIC_CTL_STOP_ISCSI_CMD 4 |
| #define CNIC_CTL_FCOE_STATS_GET_CMD 5 |
| #define CNIC_CTL_ISCSI_STATS_GET_CMD 6 |
| |
| #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 |
| #define DRV_CTL_ISCSI_STOPPED_CMD 0x10d |
| #define DRV_CTL_ULP_REGISTER_CMD 0x10e |
| #define DRV_CTL_ULP_UNREGISTER_CMD 0x10f |
| |
| struct cnic_ctl_completion { |
| u32 cid; |
| u8 opcode; |
| u8 error; |
| }; |
| |
| 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_register_data { |
| int ulp_type; |
| struct fcoe_capabilities fcoe_features; |
| }; |
| |
| struct drv_ctl_info { |
| int cmd; |
| union { |
| struct drv_ctl_spq_credit credit; |
| struct drv_ctl_io io; |
| struct drv_ctl_l2_ring ring; |
| int ulp_type; |
| struct drv_ctl_register_data register_data; |
| 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 |
| #define CNIC_DRV_STATE_NO_ISCSI_OOO 0x00000004 |
| #define CNIC_DRV_STATE_NO_ISCSI 0x00000008 |
| #define CNIC_DRV_STATE_NO_FCOE 0x00000010 |
| #define CNIC_DRV_STATE_HANDLES_IRQ 0x00000020 |
| u32 chip_id; |
| u32 max_kwqe_pending; |
| struct pci_dev *pdev; |
| void __iomem *io_base; |
| void __iomem *io_base2; |
| const 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; |
| u32 max_fcoe_exchanges; |
| u32 fcoe_wwn_port_name_hi; |
| u32 fcoe_wwn_port_name_lo; |
| u32 fcoe_wwn_node_name_hi; |
| u32 fcoe_wwn_node_name_lo; |
| |
| u16 iscsi_l2_client_id; |
| u16 iscsi_l2_cid; |
| u8 iscsi_mac[ETH_ALEN]; |
| |
| 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]; |
| union drv_info_to_mcp *addr_drv_info_to_mcp; |
| }; |
| |
| 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[ETH_ALEN]; |
| unsigned char ha[ETH_ALEN]; |
| 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 |
| #define SK_F_HW_ERR 8 |
| |
| 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[ETH_ALEN]; |
| |
| int max_iscsi_conn; |
| int max_fcoe_conn; |
| int max_rdma_conn; |
| |
| int max_fcoe_exchanges; |
| |
| union drv_info_to_mcp *stats_addr; |
| struct fcoe_capabilities *fcoe_cap; |
| |
| 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, u16 vid); |
| 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 *); |
| int (*iscsi_nl_send_msg)(void *ulp_ctx, u32 msg_type, |
| char *data, u16 data_size); |
| int (*cnic_get_stats)(void *ulp_ctx); |
| struct module *owner; |
| atomic_t ref_count; |
| }; |
| |
| int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops); |
| |
| int cnic_unregister_driver(int ulp_type); |
| |
| #endif |
