From 2c4a787847c243b725a7bac510d3ebaa35c90fab Mon Sep 17 00:00:00 2001 From: Jitendra Kalsaria Date: Sat, 22 Jun 2013 04:12:02 -0400 Subject: [PATCH] qlcnic: Minimize sleep duration within loopback diagnostic test. o Minimize sleep duration and check for adapter status. o Exit from loopback test if adapter reset is detected. Signed-off-by: Jitendra Kalsaria Signed-off-by: David S. Miller --- .../ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c | 57 +++++++++++++------ .../ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h | 3 +- 2 files changed, 41 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index ab664107ac9b..1c463dd562e2 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -1676,13 +1676,19 @@ int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode) /* Poll for link up event before running traffic */ do { - msleep(500); + msleep(QLC_83XX_LB_MSLEEP_COUNT); if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) qlcnic_83xx_process_aen(adapter); - if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) { - dev_info(&adapter->pdev->dev, - "Firmware didn't sent link up event to loopback request\n"); + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, + "Device is resetting, free LB test resources\n"); + ret = -EIO; + goto free_diag_res; + } + if (loop++ > QLC_83XX_LB_WAIT_COUNT) { + netdev_info(netdev, + "Firmware didn't sent link up event to loopback request\n"); ret = -QLCNIC_FW_NOT_RESPOND; qlcnic_83xx_clear_lb_mode(adapter, mode); goto free_diag_res; @@ -1711,6 +1717,7 @@ int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode) int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) { struct qlcnic_hardware_context *ahw = adapter->ahw; + struct net_device *netdev = adapter->netdev; int status = 0, loop = 0; u32 config; @@ -1728,9 +1735,9 @@ int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) status = qlcnic_83xx_set_port_config(adapter); if (status) { - dev_err(&adapter->pdev->dev, - "Failed to Set Loopback Mode = 0x%x.\n", - ahw->port_config); + netdev_err(netdev, + "Failed to Set Loopback Mode = 0x%x.\n", + ahw->port_config); ahw->port_config = config; clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); return status; @@ -1738,13 +1745,19 @@ int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) /* Wait for Link and IDC Completion AEN */ do { - msleep(300); + msleep(QLC_83XX_LB_MSLEEP_COUNT); if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) qlcnic_83xx_process_aen(adapter); - if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) { - dev_err(&adapter->pdev->dev, - "FW did not generate IDC completion AEN\n"); + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, + "Device is resetting, free LB test resources\n"); + clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + return -EIO; + } + if (loop++ > QLC_83XX_LB_WAIT_COUNT) { + netdev_err(netdev, + "Did not receive IDC completion AEN\n"); clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); qlcnic_83xx_clear_lb_mode(adapter, mode); return -EIO; @@ -1759,6 +1772,7 @@ int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) { struct qlcnic_hardware_context *ahw = adapter->ahw; + struct net_device *netdev = adapter->netdev; int status = 0, loop = 0; u32 config = ahw->port_config; @@ -1770,9 +1784,9 @@ int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) status = qlcnic_83xx_set_port_config(adapter); if (status) { - dev_err(&adapter->pdev->dev, - "Failed to Clear Loopback Mode = 0x%x.\n", - ahw->port_config); + netdev_err(netdev, + "Failed to Clear Loopback Mode = 0x%x.\n", + ahw->port_config); ahw->port_config = config; clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); return status; @@ -1780,13 +1794,20 @@ int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) /* Wait for Link and IDC Completion AEN */ do { - msleep(300); + msleep(QLC_83XX_LB_MSLEEP_COUNT); if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) qlcnic_83xx_process_aen(adapter); - if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) { - dev_err(&adapter->pdev->dev, - "Firmware didn't sent IDC completion AEN\n"); + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, + "Device is resetting, free LB test resources\n"); + clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); + return -EIO; + } + + if (loop++ > QLC_83XX_LB_WAIT_COUNT) { + netdev_err(netdev, + "Did not receive IDC completion AEN\n"); clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); return -EIO; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h index e821ee47324a..e356ee87a9a6 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h @@ -36,7 +36,8 @@ #define QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT 3 #define QLC_83XX_DRV_LOCK_RECOVERY_DELAY 200 #define QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK 0x3 - +#define QLC_83XX_LB_WAIT_COUNT 250 +#define QLC_83XX_LB_MSLEEP_COUNT 20 #define QLC_83XX_NO_NIC_RESOURCE 0x5 #define QLC_83XX_MAC_PRESENT 0xC #define QLC_83XX_MAC_ABSENT 0xD -- GitLab