OSCL-LXR linux-6.0.1/​drivers/​net/​ethernet/​broadcom/​cnic.h	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 /* cnic.h: QLogic CNIC core network driver.
  *
  * Copyright (c) 2006-2014 Broadcom Corporation
  * Copyright (c) 2014 QLogic 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_H
 #define CNIC_H
 
 #define HC_INDEX_ISCSI_EQ_CONS          6
 
 #define HC_INDEX_FCOE_EQ_CONS           3
 
 #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS       5
 #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS    1
 
 #define KWQ_PAGE_CNT    4
 #define KCQ_PAGE_CNT    16
 
 #define KWQ_CID         24
 #define KCQ_CID         25
 
 /*
  *  krnlq_context definition
  */
 #define L5_KRNLQ_FLAGS  0x00000000
 #define L5_KRNLQ_SIZE   0x00000000
 #define L5_KRNLQ_TYPE   0x00000000
 #define KRNLQ_FLAGS_PG_SZ                   (0xf<<0)
 #define KRNLQ_FLAGS_PG_SZ_256                   (0<<0)
 #define KRNLQ_FLAGS_PG_SZ_512                   (1<<0)
 #define KRNLQ_FLAGS_PG_SZ_1K                    (2<<0)
 #define KRNLQ_FLAGS_PG_SZ_2K                    (3<<0)
 #define KRNLQ_FLAGS_PG_SZ_4K                    (4<<0)
 #define KRNLQ_FLAGS_PG_SZ_8K                    (5<<0)
 #define KRNLQ_FLAGS_PG_SZ_16K                   (6<<0)
 #define KRNLQ_FLAGS_PG_SZ_32K                   (7<<0)
 #define KRNLQ_FLAGS_PG_SZ_64K                   (8<<0)
 #define KRNLQ_FLAGS_PG_SZ_128K                  (9<<0)
 #define KRNLQ_FLAGS_PG_SZ_256K                  (10<<0)
 #define KRNLQ_FLAGS_PG_SZ_512K                  (11<<0)
 #define KRNLQ_FLAGS_PG_SZ_1M                    (12<<0)
 #define KRNLQ_FLAGS_PG_SZ_2M                    (13<<0)
 #define KRNLQ_FLAGS_QE_SELF_SEQ                 (1<<15)
 #define KRNLQ_SIZE_TYPE_SIZE    ((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16)
 #define KRNLQ_TYPE_TYPE                     (0xf<<28)
 #define KRNLQ_TYPE_TYPE_EMPTY                   (0<<28)
 #define KRNLQ_TYPE_TYPE_KRNLQ                   (6<<28)
 
 #define L5_KRNLQ_HOST_QIDX      0x00000004
 #define L5_KRNLQ_HOST_FW_QIDX       0x00000008
 #define L5_KRNLQ_NX_QE_SELF_SEQ     0x0000000c
 #define L5_KRNLQ_QE_SELF_SEQ_MAX    0x0000000c
 #define L5_KRNLQ_NX_QE_HADDR_HI     0x00000010
 #define L5_KRNLQ_NX_QE_HADDR_LO     0x00000014
 #define L5_KRNLQ_PGTBL_PGIDX        0x00000018
 #define L5_KRNLQ_NX_PG_QIDX         0x00000018
 #define L5_KRNLQ_PGTBL_NPAGES       0x0000001c
 #define L5_KRNLQ_QIDX_INCR      0x0000001c
 #define L5_KRNLQ_PGTBL_HADDR_HI     0x00000020
 #define L5_KRNLQ_PGTBL_HADDR_LO     0x00000024
 
 #define BNX2_PG_CTX_MAP         0x1a0034
 #define BNX2_ISCSI_CTX_MAP      0x1a0074
 
 #define MAX_COMPLETED_KCQE  64
 
 #define MAX_CNIC_L5_CONTEXT 256
 
 #define MAX_CM_SK_TBL_SZ    MAX_CNIC_L5_CONTEXT
 
 #define MAX_ISCSI_TBL_SZ    256
 
 #define CNIC_LOCAL_PORT_MIN 60000
 #define CNIC_LOCAL_PORT_MAX 61024
 #define CNIC_LOCAL_PORT_RANGE   (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN)
 
 #define KWQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kwqe))
 #define KCQE_CNT (BNX2_PAGE_SIZE / sizeof(struct kcqe))
 #define MAX_KWQE_CNT (KWQE_CNT - 1)
 #define MAX_KCQE_CNT (KCQE_CNT - 1)
 
 #define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1)
 #define MAX_KCQ_IDX ((KCQ_PAGE_CNT * KCQE_CNT) - 1)
 
 #define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BNX2_PAGE_BITS - 5))
 #define KWQ_IDX(x) ((x) & MAX_KWQE_CNT)
 
 #define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BNX2_PAGE_BITS - 5))
 #define KCQ_IDX(x) ((x) & MAX_KCQE_CNT)
 
 #define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) ==       \
         (MAX_KCQE_CNT - 1)) ?                   \
         (x) + 2 : (x) + 1
 
 #define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp)
 #define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp)
 #define BNX2X_KWQ_DATA(cp, x)                       \
     &(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]
 
 #define DEF_IPID_START      0x8000
 
 #define DEF_KA_TIMEOUT      10000
 #define DEF_KA_INTERVAL     300000
 #define DEF_KA_MAX_PROBE_COUNT  3
 #define DEF_TOS         0
 #define DEF_TTL         0xfe
 #define DEF_SND_SEQ_SCALE   0
 #define DEF_RCV_BUF     0xffff
 #define DEF_SND_BUF     0xffff
 #define DEF_SEED        0
 #define DEF_MAX_RT_TIME     500
 #define DEF_MAX_DA_COUNT    2
 #define DEF_SWS_TIMER       1000
 #define DEF_MAX_CWND        0xffff
 
 struct cnic_ctx {
     u32     cid;
     void        *ctx;
     dma_addr_t  mapping;
 };
 
 #define BNX2_MAX_CID        0x2000
 
 struct cnic_dma {
     int     num_pages;
     void        **pg_arr;
     dma_addr_t  *pg_map_arr;
     int     pgtbl_size;
     u32     *pgtbl;
     dma_addr_t  pgtbl_map;
 };
 
 struct cnic_id_tbl {
     spinlock_t  lock;
     u32     start;
     u32     max;
     u32     next;
     unsigned long   *table;
 };
 
 #define CNIC_KWQ16_DATA_SIZE    128
 
 struct kwqe_16_data {
     u8  data[CNIC_KWQ16_DATA_SIZE];
 };
 
 struct cnic_iscsi {
     struct cnic_dma     task_array_info;
     struct cnic_dma     r2tq_info;
     struct cnic_dma     hq_info;
 };
 
 struct cnic_context {
     u32         cid;
     struct kwqe_16_data *kwqe_data;
     dma_addr_t      kwqe_data_mapping;
     wait_queue_head_t   waitq;
     int         wait_cond;
     unsigned long       timestamp;
     unsigned long       ctx_flags;
 #define CTX_FL_OFFLD_START  0
 #define CTX_FL_DELETE_WAIT  1
 #define CTX_FL_CID_ERROR    2
     u8          ulp_proto_id;
     union {
         struct cnic_iscsi   *iscsi;
     } proto;
 };
 
 struct kcq_info {
     struct cnic_dma dma;
     struct kcqe **kcq;
 
     u16     *hw_prod_idx_ptr;
     u16     sw_prod_idx;
     u16     *status_idx_ptr;
     u32     io_addr;
 
     u16     (*next_idx)(u16);
     u16     (*hw_idx)(u16);
 };
 
 #define UIO_USE_TX_DOORBELL 0x017855DB
 
 struct cnic_uio_dev {
     struct uio_info     cnic_uinfo;
     u32         uio_dev;
 
     int         l2_ring_size;
     void            *l2_ring;
     dma_addr_t      l2_ring_map;
 
     int         l2_buf_size;
     void            *l2_buf;
     dma_addr_t      l2_buf_map;
 
     struct cnic_dev     *dev;
     struct pci_dev      *pdev;
     struct list_head    list;
 };
 
 struct cnic_local {
 
     spinlock_t cnic_ulp_lock;
     void *ulp_handle[MAX_CNIC_ULP_TYPE];
     unsigned long ulp_flags[MAX_CNIC_ULP_TYPE];
 #define ULP_F_INIT  0
 #define ULP_F_START 1
 #define ULP_F_CALL_PENDING  2
     struct cnic_ulp_ops __rcu *ulp_ops[MAX_CNIC_ULP_TYPE];
 
     unsigned long cnic_local_flags;
 #define CNIC_LCL_FL_KWQ_INIT        0x0
 #define CNIC_LCL_FL_L2_WAIT     0x1
 #define CNIC_LCL_FL_RINGS_INITED    0x2
 #define CNIC_LCL_FL_STOP_ISCSI      0x4
 
     struct cnic_dev *dev;
 
     struct cnic_eth_dev *ethdev;
 
     struct cnic_uio_dev *udev;
 
     int     l2_rx_ring_size;
     int     l2_single_buf_size;
 
     u16     *rx_cons_ptr;
     u16     *tx_cons_ptr;
     u16     rx_cons;
     u16     tx_cons;
 
     struct cnic_dma     kwq_info;
     struct kwqe     **kwq;
 
     struct cnic_dma     kwq_16_data_info;
 
     u16     max_kwq_idx;
 
     u16     kwq_prod_idx;
     u32     kwq_io_addr;
 
     u16     *kwq_con_idx_ptr;
     u16     kwq_con_idx;
 
     struct kcq_info kcq1;
     struct kcq_info kcq2;
 
     union {
         void                *gen;
         struct status_block_msix    *bnx2;
         struct host_hc_status_block_e1x *bnx2x_e1x;
         /* index values - which counter to update */
         #define SM_RX_ID        0
         #define SM_TX_ID        1
     } status_blk;
 
     struct host_sp_status_block *bnx2x_def_status_blk;
 
     u32             status_blk_num;
     u32             bnx2x_igu_sb_id;
     u32             int_num;
     u32             last_status_idx;
     struct tasklet_struct       cnic_irq_task;
 
     struct kcqe     *completed_kcq[MAX_COMPLETED_KCQE];
 
     struct cnic_sock    *csk_tbl;
     struct cnic_id_tbl  csk_port_tbl;
 
     struct cnic_dma     gbl_buf_info;
 
     struct cnic_iscsi   *iscsi_tbl;
     struct cnic_context *ctx_tbl;
     struct cnic_id_tbl  cid_tbl;
     atomic_t        iscsi_conn;
     u32         iscsi_start_cid;
 
     u32         fcoe_init_cid;
     u32         fcoe_start_cid;
     struct cnic_id_tbl  fcoe_cid_tbl;
 
     u32         max_cid_space;
 
     /* per connection parameters */
     int         num_iscsi_tasks;
     int         num_ccells;
     int         task_array_size;
     int         r2tq_size;
     int         hq_size;
     int         num_cqs;
 
     struct delayed_work delete_task;
 
     struct cnic_ctx     *ctx_arr;
     int         ctx_blks;
     int         ctx_blk_size;
     unsigned long       ctx_align;
     int         cids_per_blk;
 
     u32         chip_id;
     int         func;
 
     u32         shmem_base;
 
     struct cnic_ops     *cnic_ops;
     int         (*start_hw)(struct cnic_dev *);
     void            (*stop_hw)(struct cnic_dev *);
     void            (*setup_pgtbl)(struct cnic_dev *,
                            struct cnic_dma *);
     int         (*alloc_resc)(struct cnic_dev *);
     void            (*free_resc)(struct cnic_dev *);
     int         (*start_cm)(struct cnic_dev *);
     void            (*stop_cm)(struct cnic_dev *);
     void            (*enable_int)(struct cnic_dev *);
     void            (*disable_int_sync)(struct cnic_dev *);
     void            (*ack_int)(struct cnic_dev *);
     void            (*arm_int)(struct cnic_dev *, u32 index);
     void            (*close_conn)(struct cnic_sock *, u32 opcode);
 };
 
 struct bnx2x_bd_chain_next {
     u32 addr_lo;
     u32 addr_hi;
     u8  reserved[8];
 };
 
 #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T   (1)
 
 #define ISCSI_RAMROD_CMD_ID_UPDATE_CONN     (ISCSI_KCQE_OPCODE_UPDATE_CONN)
 #define ISCSI_RAMROD_CMD_ID_INIT        (ISCSI_KCQE_OPCODE_INIT)
 
 #define CDU_REGION_NUMBER_XCM_AG 2
 #define CDU_REGION_NUMBER_UCM_AG 4
 
 #define CDU_VALID_DATA(_cid, _region, _type)    \
     (((_cid) << 8) | (((_region)&0xf)<<4) | (((_type)&0xf)))
 
 #define CDU_CRC8(_cid, _region, _type)  \
     (calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff))
 
 #define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type)    \
     (0x80 | ((CDU_CRC8(_cid, _region, _type)) & 0x7f))
 
 #define BNX2X_CONTEXT_MEM_SIZE      1024
 #define BNX2X_FCOE_CID          16
 
 #define BNX2X_ISCSI_START_CID       18
 #define BNX2X_ISCSI_NUM_CONNECTIONS 128
 #define BNX2X_ISCSI_TASK_CONTEXT_SIZE   128
 #define BNX2X_ISCSI_MAX_PENDING_R2TS    4
 #define BNX2X_ISCSI_R2TQE_SIZE      8
 #define BNX2X_ISCSI_HQ_BD_SIZE      64
 #define BNX2X_ISCSI_GLB_BUF_SIZE    64
 #define BNX2X_ISCSI_PBL_NOT_CACHED  0xff
 #define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED   0xff
 
 #define BNX2X_FCOE_NUM_CONNECTIONS  1024
 
 #define BNX2X_FCOE_L5_CID_BASE      MAX_ISCSI_TBL_SZ
 
 #define BNX2X_CHIP_IS_E2_PLUS(bp) (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
 
 #define BNX2X_RX_DESC_CNT       (BNX2_PAGE_SIZE / \
                      sizeof(struct eth_rx_bd))
 #define BNX2X_MAX_RX_DESC_CNT       (BNX2X_RX_DESC_CNT - 2)
 #define BNX2X_RCQ_DESC_CNT      (BNX2_PAGE_SIZE / \
                      sizeof(union eth_rx_cqe))
 #define BNX2X_MAX_RCQ_DESC_CNT      (BNX2X_RCQ_DESC_CNT - 1)
 
 #define BNX2X_NEXT_RCQE(x) (((x) & BNX2X_MAX_RCQ_DESC_CNT) ==       \
         (BNX2X_MAX_RCQ_DESC_CNT - 1)) ?             \
         ((x) + 2) : ((x) + 1)
 
 #define BNX2X_DEF_SB_ID         HC_SP_SB_ID
 
 #define BNX2X_SHMEM_MF_BLK_OFFSET   0x7e4
 
 #define BNX2X_SHMEM_ADDR(base, field)   (base + \
                      offsetof(struct shmem_region, field))
 
 #define BNX2X_SHMEM2_ADDR(base, field)  (base + \
                      offsetof(struct shmem2_region, field))
 
 #define BNX2X_SHMEM2_HAS(base, field)               \
         ((base) &&                  \
          (CNIC_RD(dev, BNX2X_SHMEM2_ADDR(base, size)) > \
           offsetof(struct shmem2_region, field)))
 
 #define BNX2X_MF_CFG_ADDR(base, field)              \
             ((base) + offsetof(struct mf_cfg, field))
 
 #ifndef ETH_MAX_RX_CLIENTS_E2
 #define ETH_MAX_RX_CLIENTS_E2       ETH_MAX_RX_CLIENTS_E1H
 #endif
 
 #define CNIC_FUNC(cp)           ((cp)->func)
 
 #define BNX2X_HW_CID(bp, x)     ((BP_PORT(bp) << 23) | \
                      (BP_VN(bp) << 17) | (x))
 
 #define BNX2X_SW_CID(x)         (x & 0x1ffff)
 
 #define BNX2X_CL_QZONE_ID(bp, cli)                  \
         (BNX2X_CHIP_IS_E2_PLUS(bp) ? cli :          \
          cli + (BP_PORT(bp) * ETH_MAX_RX_CLIENTS_E1H))
 
 #ifndef MAX_STAT_COUNTER_ID
 #define MAX_STAT_COUNTER_ID                     \
     (CHIP_IS_E1H(bp) ? MAX_STAT_COUNTER_ID_E1H :            \
      ((BNX2X_CHIP_IS_E2_PLUS(bp)) ? MAX_STAT_COUNTER_ID_E2 :    \
       MAX_STAT_COUNTER_ID_E1))
 #endif
 
 #define CNIC_SUPPORTS_FCOE(cp)                      \
     (BNX2X_CHIP_IS_E2_PLUS(bp) && !NO_FCOE(bp))
 
 #define CNIC_RAMROD_TMO         (HZ / 4)
 
 #endif
 

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