| /* cnic.h: Broadcom CNIC core network driver. |
| * |
| * Copyright (c) 2006 Broadcom Corporation |
| * |
| * Portions Copyright (c) VMware, Inc. 2009, All Rights Reserved. |
| * |
| * 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. |
| * |
| * Written by: John(Zongxi) Chen (zongxic@broadcom.com) |
| */ |
| |
| |
| #ifndef CNIC_H |
| #define CNIC_H |
| |
| #if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN) |
| #error "Missing either LITTLE_ENDIAN or BIG_ENDIAN definition." |
| #endif |
| |
| #ifndef DIV_ROUND_UP |
| #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) |
| #endif |
| |
| #ifndef ISCSI_DEF_FIRST_BURST_LEN |
| #define ISCSI_DEF_FIRST_BURST_LEN 65536 |
| #endif |
| |
| #ifndef ISCSI_DEF_MAX_RECV_SEG_LEN |
| #define ISCSI_DEF_MAX_RECV_SEG_LEN 8192 |
| #endif |
| |
| #ifndef ISCSI_DEF_MAX_BURST_LEN |
| #define ISCSI_DEF_MAX_BURST_LEN 262144 |
| #endif |
| |
| #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (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 |
| |
| struct cnic_redirect_entry { |
| struct dst_entry *old_dst; |
| struct dst_entry *new_dst; |
| }; |
| |
| struct cnic_work_node { |
| u32 work_type; |
| #define WORK_TYPE_KCQE 1 |
| #define WORK_TYPE_NEIGH_UPDATE 2 |
| #define WORK_TYPE_REDIRECT 3 |
| union { |
| struct kcqe kcqe; |
| struct neighbour *neigh; |
| struct cnic_redirect_entry cnic_redir; |
| } work_data; |
| }; |
| |
| #define MAX_CNIC_L5_CONTEXT 256 |
| |
| #define WORK_RING_SIZE 256 |
| #define WORK_RING_SIZE_MASK 255 |
| #define MAX_CM_SK_TBL_SZ MAX_CNIC_L5_CONTEXT |
| #define MAX_COMPLETED_KCQE 64 |
| |
| #define MAX_ISCSI_TBL_SZ 256 |
| |
| #define KWQE_CNT (BCM_PAGE_SIZE / sizeof(struct kwqe)) |
| #define KCQE_CNT (BCM_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) >> (BCM_PAGE_BITS - 5)) |
| #define KWQ_IDX(x) ((x) & MAX_KWQE_CNT) |
| |
| #define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BCM_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_COUNT 0xc001 |
| |
| #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; |
| u32 ctx_flags; |
| #define CTX_FL_OFFLD_START 0x00000001 |
| u8 ulp_proto_id; |
| union { |
| struct cnic_iscsi *iscsi; |
| } proto; |
| }; |
| |
| struct l5cm_spe; |
| |
| 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 *ulp_ops[MAX_CNIC_ULP_TYPE]; |
| |
| /* protected by ulp_lock */ |
| u32 cnic_local_flags; |
| #define CNIC_LCL_FL_KWQ_INIT 0x00000001 |
| |
| struct cnic_dev *dev; |
| |
| struct cnic_eth_dev *ethdev; |
| |
| u32 kwq_cid_addr; |
| u32 kcq_cid_addr; |
| |
| 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; |
| |
| volatile u16 *kwq_con_idx_ptr; |
| u16 kwq_con_idx; |
| |
| struct cnic_dma kcq_info; |
| struct kcqe **kcq; |
| |
| u16 kcq_prod_idx; |
| u32 kcq_io_addr; |
| |
| void *status_blk; |
| struct status_block_msix *bnx2_status_blk; |
| struct host_status_block *bnx2x_status_blk; |
| |
| u32 status_blk_num; |
| 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; |
| u32 next_tcp_port; |
| |
| struct cnic_dma conn_buf_info; |
| 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; |
| |
| /* per connection parameters */ |
| int num_iscsi_tasks; |
| int num_ccells; |
| int task_array_size; |
| int r2tq_size; |
| int hq_size; |
| int num_cqs; |
| |
| struct notifier_block cm_nb; |
| |
| struct cnic_work_node cnic_work_ring[WORK_RING_SIZE]; |
| int cnic_wr_cons; |
| int cnic_wr_prod; |
| spinlock_t wr_lock; |
| |
| struct tasklet_struct cnic_task; |
| |
| #ifndef HAVE_NETEVENT |
| struct timer_list cnic_timer; |
| u32 cnic_timer_off; |
| #endif |
| 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; |
| #if defined (__VMKLNX__) |
| vmk_EthAddress srcMACAddr; |
| vmk_EthAddress nextHopMACAddr; |
| vmk_uint32 pmtu; |
| vmk_uint32 vlan_id; |
| vmk_uint32 srcFamily; |
| vmk_uint8 srcIPAddr[4]; // XXX NOT IPv6 compatible |
| vmk_uint32 cnic_local_port_min; |
| vmk_uint32 cnic_local_port_nr; |
| #endif /* defined (__VMKLNX__) */ |
| |
| 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 (*close_conn)(struct cnic_sock *, u32 opcode); |
| u16 (*next_idx)(u16); |
| u16 (*hw_idx)(u16); |
| }; |
| |
| struct bnx2x_bd_chain_next { |
| u32 addr_lo; |
| u32 addr_hi; |
| u8 reserved[8]; |
| }; |
| |
| #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 |
| |
| #ifndef NEW_BNX2X_HSI |
| static u8 calc_crc8( u32 data, u8 crc) |
| { |
| u8 D[32]; |
| u8 NewCRC[8]; |
| u8 C[8]; |
| u8 crc_res; |
| u8 i; |
| |
| /* split the data into 31 bits */ |
| for (i = 0; i < 32; i++) { |
| D[i] = (u8)(data & 1); |
| data = data >> 1; |
| } |
| |
| /* split the crc into 8 bits */ |
| for (i = 0; i < 8; i++ ) { |
| C[i] = crc & 1; |
| crc = crc >> 1; |
| } |
| |
| NewCRC[0] = D[31] ^ D[30] ^ D[28] ^ D[23] ^ D[21] ^ D[19] ^ D[18] ^ D[16] ^ D[14] ^ D[12] ^ D[8] ^ D[7] ^ D[6] ^ D[0] ^ C[4] ^ C[6] ^ C[7]; |
| NewCRC[1] = D[30] ^ D[29] ^ D[28] ^ D[24] ^ D[23] ^ D[22] ^ D[21] ^ D[20] ^ D[18] ^ D[17] ^ D[16] ^ D[15] ^ D[14] ^ D[13] ^ D[12] ^ D[9] ^ D[6] ^ D[1] ^ D[0] ^ C[0] ^ C[4] ^ C[5] ^ C[6]; |
| NewCRC[2] = D[29] ^ D[28] ^ D[25] ^ D[24] ^ D[22] ^ D[17] ^ D[15] ^ D[13] ^ D[12] ^ D[10] ^ D[8] ^ D[6] ^ D[2] ^ D[1] ^ D[0] ^ C[0] ^ C[1] ^ C[4] ^ C[5]; |
| NewCRC[3] = D[30] ^ D[29] ^ D[26] ^ D[25] ^ D[23] ^ D[18] ^ D[16] ^ D[14] ^ D[13] ^ D[11] ^ D[9] ^ D[7] ^ D[3] ^ D[2] ^ D[1] ^ C[1] ^ C[2] ^ C[5] ^ C[6]; |
| NewCRC[4] = D[31] ^ D[30] ^ D[27] ^ D[26] ^ D[24] ^ D[19] ^ D[17] ^ D[15] ^ D[14] ^ D[12] ^ D[10] ^ D[8] ^ D[4] ^ D[3] ^ D[2] ^ C[0] ^ C[2] ^ C[3] ^ C[6] ^ C[7]; |
| NewCRC[5] = D[31] ^ D[28] ^ D[27] ^ D[25] ^ D[20] ^ D[18] ^ D[16] ^ D[15] ^ D[13] ^ D[11] ^ D[9] ^ D[5] ^ D[4] ^ D[3] ^ C[1] ^ C[3] ^ C[4] ^ C[7]; |
| NewCRC[6] = D[29] ^ D[28] ^ D[26] ^ D[21] ^ D[19] ^ D[17] ^ D[16] ^ D[14] ^ D[12] ^ D[10] ^ D[6] ^ D[5] ^ D[4] ^ C[2] ^ C[4] ^ C[5]; |
| NewCRC[7] = D[30] ^ D[29] ^ D[27] ^ D[22] ^ D[20] ^ D[18] ^ D[17] ^ D[15] ^ D[13] ^ D[11] ^ D[7] ^ D[6] ^ D[5] ^ C[3] ^ C[5] ^ C[6]; |
| |
| crc_res = 0; |
| for (i = 0; i < 8; i++) { |
| crc_res |= (NewCRC[i] << i); |
| } |
| |
| return crc_res; |
| } |
| #endif |
| |
| #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_ISCSI_NUM_CONNECTIONS 128 |
| #define BNX2X_ISCSI_TASK_CONTEXT_SIZE 128 |
| #define BNX2X_ISCSI_CONTEXT_MEM_SIZE 1024 |
| #define BNX2X_ISCSI_MAX_PENDING_R2TS 4 |
| #define BNX2X_ISCSI_R2TQE_SIZE 8 |
| #define BNX2X_ISCSI_HQ_BD_SIZE 64 |
| #define BNX2X_ISCSI_CONN_BUF_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_HW_CID(x, func) ((x) | (((func) % PORT_MAX) << 23) | \ |
| (((func) >> 1) << 17)) |
| #define BNX2X_SW_CID(x) (x & 0x1ffff) |
| #define BNX2X_CHIP_NUM_57711 0x164f |
| #define BNX2X_CHIP_NUM_57711E 0x1650 |
| #define BNX2X_CHIP_NUM(x) (x >> 16) |
| #define BNX2X_CHIP_IS_57711(x) \ |
| (BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711) |
| #define BNX2X_CHIP_IS_57711E(x) \ |
| (BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711E) |
| #define BNX2X_CHIP_IS_E1H(x) \ |
| (BNX2X_CHIP_IS_57711(x) || BNX2X_CHIP_IS_57711E(x)) |
| #define IS_E1H_OFFSET BNX2X_CHIP_IS_E1H(cp->chip_id) |
| |
| #define BNX2X_SHMEM_ADDR(base, field) (base + \ |
| offsetof(struct shmem_region, field)) |
| |
| #define CNIC_PORT(cp) ((cp)->func % PORT_MAX) |
| #define CNIC_FUNC(cp) ((cp)->func) |
| #define CNIC_E1HVN(cp) ((cp)->func >> 1) |
| |
| #endif |
| |
