diff options
| -rw-r--r-- | drivers/net/bnx2.c | 193 | ||||
| -rw-r--r-- | drivers/net/bnx2.h | 18 |
2 files changed, 208 insertions, 3 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index b0cb29d..3f5fcb0 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -49,6 +49,10 @@ #include <linux/firmware.h> #include <linux/log2.h> +#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE) +#define BCM_CNIC 1 +#include "cnic_if.h" +#endif #include "bnx2.h" #include "bnx2_fw.h" @@ -315,6 +319,158 @@ bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val) spin_unlock_bh(&bp->indirect_lock); } +#ifdef BCM_CNIC +static int +bnx2_drv_ctl(struct net_device *dev, struct drv_ctl_info *info) +{ + struct bnx2 *bp = netdev_priv(dev); + struct drv_ctl_io *io = &info->data.io; + + switch (info->cmd) { + case DRV_CTL_IO_WR_CMD: + bnx2_reg_wr_ind(bp, io->offset, io->data); + break; + case DRV_CTL_IO_RD_CMD: + io->data = bnx2_reg_rd_ind(bp, io->offset); + break; + case DRV_CTL_CTX_WR_CMD: + bnx2_ctx_wr(bp, io->cid_addr, io->offset, io->data); + break; + default: + return -EINVAL; + } + return 0; +} + +static void bnx2_setup_cnic_irq_info(struct bnx2 *bp) +{ + struct cnic_eth_dev *cp = &bp->cnic_eth_dev; + struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; + int sb_id; + + if (bp->flags & BNX2_FLAG_USING_MSIX) { + cp->drv_state |= CNIC_DRV_STATE_USING_MSIX; + bnapi->cnic_present = 0; + sb_id = bp->irq_nvecs; + cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX; + } else { + cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX; + bnapi->cnic_tag = bnapi->last_status_idx; + bnapi->cnic_present = 1; + sb_id = 0; + cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX; + } + + cp->irq_arr[0].vector = bp->irq_tbl[sb_id].vector; + cp->irq_arr[0].status_blk = (void *) + ((unsigned long) bnapi->status_blk.msi + + (BNX2_SBLK_MSIX_ALIGN_SIZE * sb_id)); + cp->irq_arr[0].status_blk_num = sb_id; + cp->num_irq = 1; +} + +static int bnx2_register_cnic(struct net_device *dev, struct cnic_ops *ops, + void *data) +{ + struct bnx2 *bp = netdev_priv(dev); + struct cnic_eth_dev *cp = &bp->cnic_eth_dev; + + if (ops == NULL) + return -EINVAL; + + if (cp->drv_state & CNIC_DRV_STATE_REGD) + return -EBUSY; + + bp->cnic_data = data; + rcu_assign_pointer(bp->cnic_ops, ops); + + cp->num_irq = 0; + cp->drv_state = CNIC_DRV_STATE_REGD; + + bnx2_setup_cnic_irq_info(bp); + + return 0; +} + +static int bnx2_unregister_cnic(struct net_device *dev) +{ + struct bnx2 *bp = netdev_priv(dev); + struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; + struct cnic_eth_dev *cp = &bp->cnic_eth_dev; + + cp->drv_state = 0; + bnapi->cnic_present = 0; + rcu_assign_pointer(bp->cnic_ops, NULL); + synchronize_rcu(); + return 0; +} + +struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev) +{ + struct bnx2 *bp = netdev_priv(dev); + struct cnic_eth_dev *cp = &bp->cnic_eth_dev; + + cp->drv_owner = THIS_MODULE; + cp->chip_id = bp->chip_id; + cp->pdev = bp->pdev; + cp->io_base = bp->regview; + cp->drv_ctl = bnx2_drv_ctl; + cp->drv_register_cnic = bnx2_register_cnic; + cp->drv_unregister_cnic = bnx2_unregister_cnic; + + return cp; +} +EXPORT_SYMBOL(bnx2_cnic_probe); + +static void +bnx2_cnic_stop(struct bnx2 *bp) +{ + struct cnic_ops *c_ops; + struct cnic_ctl_info info; + + rcu_read_lock(); + c_ops = rcu_dereference(bp->cnic_ops); + if (c_ops) { + info.cmd = CNIC_CTL_STOP_CMD; + c_ops->cnic_ctl(bp->cnic_data, &info); + } + rcu_read_unlock(); +} + +static void +bnx2_cnic_start(struct bnx2 *bp) +{ + struct cnic_ops *c_ops; + struct cnic_ctl_info info; + + rcu_read_lock(); + c_ops = rcu_dereference(bp->cnic_ops); + if (c_ops) { + if (!(bp->flags & BNX2_FLAG_USING_MSIX)) { + struct bnx2_napi *bnapi = &bp->bnx2_napi[0]; + + bnapi->cnic_tag = bnapi->last_status_idx; + } + info.cmd = CNIC_CTL_START_CMD; + c_ops->cnic_ctl(bp->cnic_data, &info); + } + rcu_read_unlock(); +} + +#else + +static void +bnx2_cnic_stop(struct bnx2 *bp) +{ +} + +static void +bnx2_cnic_start(struct bnx2 *bp) +{ +} + +#endif + static int bnx2_read_phy(struct bnx2 *bp, u32 reg, u32 *val) { @@ -488,6 +644,7 @@ bnx2_napi_enable(struct bnx2 *bp) static void bnx2_netif_stop(struct bnx2 *bp) { + bnx2_cnic_stop(bp); bnx2_disable_int_sync(bp); if (netif_running(bp->dev)) { bnx2_napi_disable(bp); @@ -504,6 +661,7 @@ bnx2_netif_start(struct bnx2 *bp) netif_tx_wake_all_queues(bp->dev); bnx2_napi_enable(bp); bnx2_enable_int(bp); + bnx2_cnic_start(bp); } } } @@ -3164,6 +3322,11 @@ bnx2_has_work(struct bnx2_napi *bnapi) if (bnx2_has_fast_work(bnapi)) return 1; +#ifdef BCM_CNIC + if (bnapi->cnic_present && (bnapi->cnic_tag != sblk->status_idx)) + return 1; +#endif + if ((sblk->status_attn_bits & STATUS_ATTN_EVENTS) != (sblk->status_attn_bits_ack & STATUS_ATTN_EVENTS)) return 1; @@ -3193,6 +3356,23 @@ bnx2_chk_missed_msi(struct bnx2 *bp) bp->idle_chk_status_idx = bnapi->last_status_idx; } +#ifdef BCM_CNIC +static void bnx2_poll_cnic(struct bnx2 *bp, struct bnx2_napi *bnapi) +{ + struct cnic_ops *c_ops; + + if (!bnapi->cnic_present) + return; + + rcu_read_lock(); + c_ops = rcu_dereference(bp->cnic_ops); + if (c_ops) + bnapi->cnic_tag = c_ops->cnic_handler(bp->cnic_data, + bnapi->status_blk.msi); + rcu_read_unlock(); +} +#endif + static void bnx2_poll_link(struct bnx2 *bp, struct bnx2_napi *bnapi) { struct status_block *sblk = bnapi->status_blk.msi; @@ -3267,6 +3447,10 @@ static int bnx2_poll(struct napi_struct *napi, int budget) work_done = bnx2_poll_work(bp, bnapi, work_done, budget); +#ifdef BCM_CNIC + bnx2_poll_cnic(bp, bnapi); +#endif + /* bnapi->last_status_idx is used below to tell the hw how * much work has been processed, so we must read it before * checking for more work. @@ -4632,8 +4816,11 @@ bnx2_init_chip(struct bnx2 *bp) val = REG_RD(bp, BNX2_MQ_CONFIG); val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE; val |= BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE_256; - if (CHIP_ID(bp) == CHIP_ID_5709_A0 || CHIP_ID(bp) == CHIP_ID_5709_A1) - val |= BNX2_MQ_CONFIG_HALT_DIS; + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + val |= BNX2_MQ_CONFIG_BIN_MQ_MODE; + if (CHIP_REV(bp) == CHIP_REV_Ax) + val |= BNX2_MQ_CONFIG_HALT_DIS; + } REG_WR(bp, BNX2_MQ_CONFIG, val); @@ -7471,7 +7658,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) INIT_WORK(&bp->reset_task, bnx2_reset_task); dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0); - mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS); + mem_len = MB_GET_CID_ADDR(TX_TSS_CID + TX_MAX_TSS_RINGS + 1); dev->mem_end = dev->mem_start + mem_len; dev->irq = pdev->irq; diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 5b570e1..a1ff739 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -361,6 +361,9 @@ struct l2_fhdr { #define BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE (1<<28) #define BNX2_L2CTX_HOST_BDIDX 0x00000004 +#define BNX2_L2CTX_STATUSB_NUM_SHIFT 16 +#define BNX2_L2CTX_STATUSB_NUM(sb_id) \ + (((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_STATUSB_NUM_SHIFT) : 0) #define BNX2_L2CTX_HOST_BSEQ 0x00000008 #define BNX2_L2CTX_NX_BSEQ 0x0000000c #define BNX2_L2CTX_NX_BDHADDR_HI 0x00000010 @@ -5900,6 +5903,7 @@ struct l2_fhdr { #define BNX2_RXP_FTQ_CTL_CUR_DEPTH (0x3ffL<<22) #define BNX2_RXP_SCRATCH 0x000e0000 +#define BNX2_RXP_SCRATCH_RXP_FLOOD 0x000e0024 #define BNX2_RXP_SCRATCH_RSS_TBL_SZ 0x000e0038 #define BNX2_RXP_SCRATCH_RSS_TBL 0x000e003c #define BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES 128 @@ -6678,6 +6682,11 @@ struct bnx2_napi { u32 last_status_idx; u32 int_num; +#ifdef BCM_CNIC + u32 cnic_tag; + int cnic_present; +#endif + struct bnx2_rx_ring_info rx_ring; struct bnx2_tx_ring_info tx_ring; }; @@ -6727,6 +6736,11 @@ struct bnx2 { int tx_ring_size; u32 tx_wake_thresh; +#ifdef BCM_CNIC + struct cnic_ops *cnic_ops; + void *cnic_data; +#endif + /* End of fields used in the performance code paths. */ unsigned int current_interval; @@ -6885,6 +6899,10 @@ struct bnx2 { u32 idle_chk_status_idx; +#ifdef BCM_CNIC + struct cnic_eth_dev cnic_eth_dev; +#endif + const struct firmware *mips_firmware; const struct firmware *rv2p_firmware; }; |