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![Dmitry Kravkov](/assets/img/avatar_default.png)
With current bnx2x firmware 6.2.9, iSCSI is not supported in DCB network, so we need to disable it. Add cnic command to disconnect iSCSI connections and prevent future connections when DCBX negotiation succeeds. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
460 lines
11 KiB
C
460 lines
11 KiB
C
/* cnic.h: Broadcom CNIC core network driver.
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*
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* Copyright (c) 2006-2010 Broadcom Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*
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*/
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#ifndef CNIC_H
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#define CNIC_H
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#define HC_INDEX_ISCSI_EQ_CONS 6
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#define HC_INDEX_FCOE_EQ_CONS 3
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#define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
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#define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
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#define KWQ_PAGE_CNT 4
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#define KCQ_PAGE_CNT 16
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#define KWQ_CID 24
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#define KCQ_CID 25
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/*
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* krnlq_context definition
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*/
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#define L5_KRNLQ_FLAGS 0x00000000
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#define L5_KRNLQ_SIZE 0x00000000
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#define L5_KRNLQ_TYPE 0x00000000
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#define KRNLQ_FLAGS_PG_SZ (0xf<<0)
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#define KRNLQ_FLAGS_PG_SZ_256 (0<<0)
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#define KRNLQ_FLAGS_PG_SZ_512 (1<<0)
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#define KRNLQ_FLAGS_PG_SZ_1K (2<<0)
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#define KRNLQ_FLAGS_PG_SZ_2K (3<<0)
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#define KRNLQ_FLAGS_PG_SZ_4K (4<<0)
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#define KRNLQ_FLAGS_PG_SZ_8K (5<<0)
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#define KRNLQ_FLAGS_PG_SZ_16K (6<<0)
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#define KRNLQ_FLAGS_PG_SZ_32K (7<<0)
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#define KRNLQ_FLAGS_PG_SZ_64K (8<<0)
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#define KRNLQ_FLAGS_PG_SZ_128K (9<<0)
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#define KRNLQ_FLAGS_PG_SZ_256K (10<<0)
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#define KRNLQ_FLAGS_PG_SZ_512K (11<<0)
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#define KRNLQ_FLAGS_PG_SZ_1M (12<<0)
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#define KRNLQ_FLAGS_PG_SZ_2M (13<<0)
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#define KRNLQ_FLAGS_QE_SELF_SEQ (1<<15)
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#define KRNLQ_SIZE_TYPE_SIZE ((((0x28 + 0x1f) & ~0x1f) / 0x20) << 16)
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#define KRNLQ_TYPE_TYPE (0xf<<28)
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#define KRNLQ_TYPE_TYPE_EMPTY (0<<28)
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#define KRNLQ_TYPE_TYPE_KRNLQ (6<<28)
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#define L5_KRNLQ_HOST_QIDX 0x00000004
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#define L5_KRNLQ_HOST_FW_QIDX 0x00000008
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#define L5_KRNLQ_NX_QE_SELF_SEQ 0x0000000c
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#define L5_KRNLQ_QE_SELF_SEQ_MAX 0x0000000c
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#define L5_KRNLQ_NX_QE_HADDR_HI 0x00000010
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#define L5_KRNLQ_NX_QE_HADDR_LO 0x00000014
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#define L5_KRNLQ_PGTBL_PGIDX 0x00000018
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#define L5_KRNLQ_NX_PG_QIDX 0x00000018
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#define L5_KRNLQ_PGTBL_NPAGES 0x0000001c
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#define L5_KRNLQ_QIDX_INCR 0x0000001c
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#define L5_KRNLQ_PGTBL_HADDR_HI 0x00000020
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#define L5_KRNLQ_PGTBL_HADDR_LO 0x00000024
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#define BNX2_PG_CTX_MAP 0x1a0034
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#define BNX2_ISCSI_CTX_MAP 0x1a0074
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struct cnic_redirect_entry {
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struct dst_entry *old_dst;
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struct dst_entry *new_dst;
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};
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#define MAX_COMPLETED_KCQE 64
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#define MAX_CNIC_L5_CONTEXT 256
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#define MAX_CM_SK_TBL_SZ MAX_CNIC_L5_CONTEXT
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#define MAX_ISCSI_TBL_SZ 256
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#define CNIC_LOCAL_PORT_MIN 60000
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#define CNIC_LOCAL_PORT_MAX 61024
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#define CNIC_LOCAL_PORT_RANGE (CNIC_LOCAL_PORT_MAX - CNIC_LOCAL_PORT_MIN)
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#define KWQE_CNT (BCM_PAGE_SIZE / sizeof(struct kwqe))
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#define KCQE_CNT (BCM_PAGE_SIZE / sizeof(struct kcqe))
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#define MAX_KWQE_CNT (KWQE_CNT - 1)
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#define MAX_KCQE_CNT (KCQE_CNT - 1)
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#define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1)
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#define MAX_KCQ_IDX ((KCQ_PAGE_CNT * KCQE_CNT) - 1)
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#define KWQ_PG(x) (((x) & ~MAX_KWQE_CNT) >> (BCM_PAGE_BITS - 5))
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#define KWQ_IDX(x) ((x) & MAX_KWQE_CNT)
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#define KCQ_PG(x) (((x) & ~MAX_KCQE_CNT) >> (BCM_PAGE_BITS - 5))
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#define KCQ_IDX(x) ((x) & MAX_KCQE_CNT)
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#define BNX2X_NEXT_KCQE(x) (((x) & (MAX_KCQE_CNT - 1)) == \
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(MAX_KCQE_CNT - 1)) ? \
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(x) + 2 : (x) + 1
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#define BNX2X_KWQ_DATA_PG(cp, x) ((x) / (cp)->kwq_16_data_pp)
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#define BNX2X_KWQ_DATA_IDX(cp, x) ((x) % (cp)->kwq_16_data_pp)
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#define BNX2X_KWQ_DATA(cp, x) \
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&(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]
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#define DEF_IPID_START 0x8000
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#define DEF_KA_TIMEOUT 10000
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#define DEF_KA_INTERVAL 300000
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#define DEF_KA_MAX_PROBE_COUNT 3
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#define DEF_TOS 0
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#define DEF_TTL 0xfe
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#define DEF_SND_SEQ_SCALE 0
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#define DEF_RCV_BUF 0xffff
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#define DEF_SND_BUF 0xffff
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#define DEF_SEED 0
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#define DEF_MAX_RT_TIME 500
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#define DEF_MAX_DA_COUNT 2
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#define DEF_SWS_TIMER 1000
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#define DEF_MAX_CWND 0xffff
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struct cnic_ctx {
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u32 cid;
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void *ctx;
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dma_addr_t mapping;
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};
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#define BNX2_MAX_CID 0x2000
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struct cnic_dma {
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int num_pages;
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void **pg_arr;
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dma_addr_t *pg_map_arr;
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int pgtbl_size;
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u32 *pgtbl;
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dma_addr_t pgtbl_map;
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};
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struct cnic_id_tbl {
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spinlock_t lock;
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u32 start;
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u32 max;
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u32 next;
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unsigned long *table;
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};
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#define CNIC_KWQ16_DATA_SIZE 128
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struct kwqe_16_data {
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u8 data[CNIC_KWQ16_DATA_SIZE];
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};
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struct cnic_iscsi {
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struct cnic_dma task_array_info;
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struct cnic_dma r2tq_info;
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struct cnic_dma hq_info;
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};
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struct cnic_context {
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u32 cid;
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struct kwqe_16_data *kwqe_data;
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dma_addr_t kwqe_data_mapping;
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wait_queue_head_t waitq;
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int wait_cond;
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unsigned long timestamp;
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unsigned long ctx_flags;
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#define CTX_FL_OFFLD_START 0
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#define CTX_FL_DELETE_WAIT 1
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u8 ulp_proto_id;
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union {
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struct cnic_iscsi *iscsi;
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} proto;
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};
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struct kcq_info {
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struct cnic_dma dma;
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struct kcqe **kcq;
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u16 *hw_prod_idx_ptr;
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u16 sw_prod_idx;
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u16 *status_idx_ptr;
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u32 io_addr;
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};
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struct iro {
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u32 base;
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u16 m1;
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u16 m2;
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u16 m3;
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u16 size;
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};
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struct cnic_uio_dev {
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struct uio_info cnic_uinfo;
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u32 uio_dev;
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int l2_ring_size;
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void *l2_ring;
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dma_addr_t l2_ring_map;
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int l2_buf_size;
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void *l2_buf;
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dma_addr_t l2_buf_map;
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struct cnic_dev *dev;
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struct pci_dev *pdev;
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struct list_head list;
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};
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struct cnic_local {
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spinlock_t cnic_ulp_lock;
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void *ulp_handle[MAX_CNIC_ULP_TYPE];
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unsigned long ulp_flags[MAX_CNIC_ULP_TYPE];
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#define ULP_F_INIT 0
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#define ULP_F_START 1
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#define ULP_F_CALL_PENDING 2
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struct cnic_ulp_ops __rcu *ulp_ops[MAX_CNIC_ULP_TYPE];
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unsigned long cnic_local_flags;
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#define CNIC_LCL_FL_KWQ_INIT 0x0
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#define CNIC_LCL_FL_L2_WAIT 0x1
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#define CNIC_LCL_FL_RINGS_INITED 0x2
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#define CNIC_LCL_FL_STOP_ISCSI 0x4
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struct cnic_dev *dev;
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struct cnic_eth_dev *ethdev;
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struct cnic_uio_dev *udev;
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int l2_rx_ring_size;
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int l2_single_buf_size;
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u16 *rx_cons_ptr;
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u16 *tx_cons_ptr;
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u16 rx_cons;
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u16 tx_cons;
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struct iro *iro_arr;
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#define IRO (((struct cnic_local *) dev->cnic_priv)->iro_arr)
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struct cnic_dma kwq_info;
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struct kwqe **kwq;
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struct cnic_dma kwq_16_data_info;
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u16 max_kwq_idx;
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u16 kwq_prod_idx;
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u32 kwq_io_addr;
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u16 *kwq_con_idx_ptr;
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u16 kwq_con_idx;
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struct kcq_info kcq1;
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struct kcq_info kcq2;
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union {
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void *gen;
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struct status_block_msix *bnx2;
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struct host_hc_status_block_e1x *bnx2x_e1x;
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/* index values - which counter to update */
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#define SM_RX_ID 0
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#define SM_TX_ID 1
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} status_blk;
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struct host_sp_status_block *bnx2x_def_status_blk;
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u32 status_blk_num;
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u32 bnx2x_igu_sb_id;
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u32 int_num;
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u32 last_status_idx;
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struct tasklet_struct cnic_irq_task;
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struct kcqe *completed_kcq[MAX_COMPLETED_KCQE];
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struct cnic_sock *csk_tbl;
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struct cnic_id_tbl csk_port_tbl;
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struct cnic_dma conn_buf_info;
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struct cnic_dma gbl_buf_info;
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struct cnic_iscsi *iscsi_tbl;
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struct cnic_context *ctx_tbl;
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struct cnic_id_tbl cid_tbl;
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atomic_t iscsi_conn;
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u32 iscsi_start_cid;
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u32 fcoe_init_cid;
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u32 fcoe_start_cid;
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struct cnic_id_tbl fcoe_cid_tbl;
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u32 max_cid_space;
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/* per connection parameters */
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int num_iscsi_tasks;
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int num_ccells;
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int task_array_size;
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int r2tq_size;
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int hq_size;
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int num_cqs;
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struct delayed_work delete_task;
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struct cnic_ctx *ctx_arr;
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int ctx_blks;
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int ctx_blk_size;
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unsigned long ctx_align;
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int cids_per_blk;
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u32 chip_id;
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int func;
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u32 pfid;
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u32 shmem_base;
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struct cnic_ops *cnic_ops;
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int (*start_hw)(struct cnic_dev *);
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void (*stop_hw)(struct cnic_dev *);
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void (*setup_pgtbl)(struct cnic_dev *,
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struct cnic_dma *);
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int (*alloc_resc)(struct cnic_dev *);
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void (*free_resc)(struct cnic_dev *);
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int (*start_cm)(struct cnic_dev *);
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void (*stop_cm)(struct cnic_dev *);
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void (*enable_int)(struct cnic_dev *);
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void (*disable_int_sync)(struct cnic_dev *);
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void (*ack_int)(struct cnic_dev *);
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void (*close_conn)(struct cnic_sock *, u32 opcode);
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u16 (*next_idx)(u16);
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u16 (*hw_idx)(u16);
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};
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struct bnx2x_bd_chain_next {
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u32 addr_lo;
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u32 addr_hi;
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u8 reserved[8];
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};
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#define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1)
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#define ISCSI_RAMROD_CMD_ID_UPDATE_CONN (ISCSI_KCQE_OPCODE_UPDATE_CONN)
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#define ISCSI_RAMROD_CMD_ID_INIT (ISCSI_KCQE_OPCODE_INIT)
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#define CDU_REGION_NUMBER_XCM_AG 2
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#define CDU_REGION_NUMBER_UCM_AG 4
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#define CDU_VALID_DATA(_cid, _region, _type) \
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(((_cid) << 8) | (((_region)&0xf)<<4) | (((_type)&0xf)))
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#define CDU_CRC8(_cid, _region, _type) \
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(calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff))
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#define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type) \
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(0x80 | ((CDU_CRC8(_cid, _region, _type)) & 0x7f))
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#define BNX2X_CONTEXT_MEM_SIZE 1024
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#define BNX2X_FCOE_CID 16
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#define BNX2X_ISCSI_START_CID 18
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#define BNX2X_ISCSI_NUM_CONNECTIONS 128
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#define BNX2X_ISCSI_TASK_CONTEXT_SIZE 128
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#define BNX2X_ISCSI_MAX_PENDING_R2TS 4
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#define BNX2X_ISCSI_R2TQE_SIZE 8
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#define BNX2X_ISCSI_HQ_BD_SIZE 64
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#define BNX2X_ISCSI_CONN_BUF_SIZE 64
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#define BNX2X_ISCSI_GLB_BUF_SIZE 64
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#define BNX2X_ISCSI_PBL_NOT_CACHED 0xff
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#define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED 0xff
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#define BNX2X_FCOE_NUM_CONNECTIONS 128
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#define BNX2X_FCOE_L5_CID_BASE MAX_ISCSI_TBL_SZ
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#define BNX2X_CHIP_NUM_57710 0x164e
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#define BNX2X_CHIP_NUM_57711 0x164f
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#define BNX2X_CHIP_NUM_57711E 0x1650
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#define BNX2X_CHIP_NUM_57712 0x1662
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#define BNX2X_CHIP_NUM_57712E 0x1663
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#define BNX2X_CHIP_NUM_57713 0x1651
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#define BNX2X_CHIP_NUM_57713E 0x1652
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#define BNX2X_CHIP_NUM(x) (x >> 16)
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#define BNX2X_CHIP_IS_57710(x) \
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(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57710)
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#define BNX2X_CHIP_IS_57711(x) \
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(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711)
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#define BNX2X_CHIP_IS_57711E(x) \
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(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711E)
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#define BNX2X_CHIP_IS_E1H(x) \
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(BNX2X_CHIP_IS_57711(x) || BNX2X_CHIP_IS_57711E(x))
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#define BNX2X_CHIP_IS_57712(x) \
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(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57712)
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#define BNX2X_CHIP_IS_57712E(x) \
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(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57712E)
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#define BNX2X_CHIP_IS_57713(x) \
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(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57713)
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#define BNX2X_CHIP_IS_57713E(x) \
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(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57713E)
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#define BNX2X_CHIP_IS_E2(x) \
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(BNX2X_CHIP_IS_57712(x) || BNX2X_CHIP_IS_57712E(x) || \
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BNX2X_CHIP_IS_57713(x) || BNX2X_CHIP_IS_57713E(x))
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#define IS_E1H_OFFSET BNX2X_CHIP_IS_E1H(cp->chip_id)
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#define BNX2X_RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
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#define BNX2X_MAX_RX_DESC_CNT (BNX2X_RX_DESC_CNT - 2)
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#define BNX2X_RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
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#define BNX2X_MAX_RCQ_DESC_CNT (BNX2X_RCQ_DESC_CNT - 1)
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#define BNX2X_NEXT_RCQE(x) (((x) & BNX2X_MAX_RCQ_DESC_CNT) == \
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(BNX2X_MAX_RCQ_DESC_CNT - 1)) ? \
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((x) + 2) : ((x) + 1)
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#define BNX2X_DEF_SB_ID HC_SP_SB_ID
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#define BNX2X_SHMEM_MF_BLK_OFFSET 0x7e4
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#define BNX2X_SHMEM_ADDR(base, field) (base + \
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offsetof(struct shmem_region, field))
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#define BNX2X_SHMEM2_ADDR(base, field) (base + \
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offsetof(struct shmem2_region, field))
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#define BNX2X_SHMEM2_HAS(base, field) \
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((base) && \
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(CNIC_RD(dev, BNX2X_SHMEM2_ADDR(base, size)) > \
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offsetof(struct shmem2_region, field)))
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#define BNX2X_MF_CFG_ADDR(base, field) \
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((base) + offsetof(struct mf_cfg, field))
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#ifndef ETH_MAX_RX_CLIENTS_E2
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#define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H
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#endif
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#define CNIC_PORT(cp) ((cp)->pfid & 1)
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#define CNIC_FUNC(cp) ((cp)->func)
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#define CNIC_PATH(cp) (!BNX2X_CHIP_IS_E2(cp->chip_id) ? 0 :\
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(CNIC_FUNC(cp) & 1))
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#define CNIC_E1HVN(cp) ((cp)->pfid >> 1)
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#define BNX2X_HW_CID(cp, x) ((CNIC_PORT(cp) << 23) | \
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(CNIC_E1HVN(cp) << 17) | (x))
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#define BNX2X_SW_CID(x) (x & 0x1ffff)
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#define BNX2X_CL_QZONE_ID(cp, cli) \
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(cli + (CNIC_PORT(cp) * (BNX2X_CHIP_IS_E2(cp->chip_id) ?\
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ETH_MAX_RX_CLIENTS_E2 : \
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ETH_MAX_RX_CLIENTS_E1H)))
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#define TCP_TSTORM_OOO_DROP_AND_PROC_ACK (0<<4)
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#endif
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|