diff options
Diffstat (limited to 'drivers/net/usb/r8152.c')
-rw-r--r-- | drivers/net/usb/r8152.c | 89 |
1 files changed, 72 insertions, 17 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 2fb637ad594a..fbb1867ff25c 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1645,7 +1645,7 @@ static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc) u8 checksum = CHECKSUM_NONE; u32 opts2, opts3; - if (tp->version == RTL_VER_01) + if (!(tp->netdev->features & NETIF_F_RXCSUM)) goto return_result; opts2 = le32_to_cpu(rx_desc->opts2); @@ -3442,43 +3442,93 @@ static bool delay_autosuspend(struct r8152 *tp) */ if (!sw_linking && tp->rtl_ops.in_nway(tp)) return true; + else if (!skb_queue_empty(&tp->tx_queue)) + return true; else return false; } -static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) +static int rtl8152_rumtime_suspend(struct r8152 *tp) { - struct r8152 *tp = usb_get_intfdata(intf); struct net_device *netdev = tp->netdev; int ret = 0; - mutex_lock(&tp->control); + if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) { + u32 rcr = 0; - if (PMSG_IS_AUTO(message)) { - if (netif_running(netdev) && delay_autosuspend(tp)) { + if (delay_autosuspend(tp)) { ret = -EBUSY; goto out1; } - set_bit(SELECTIVE_SUSPEND, &tp->flags); - } else { - netif_device_detach(netdev); + if (netif_carrier_ok(netdev)) { + u32 ocp_data; + + rcr = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data = rcr & ~RCR_ACPT_ALL; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); + rxdy_gated_en(tp, true); + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, + PLA_OOB_CTRL); + if (!(ocp_data & RXFIFO_EMPTY)) { + rxdy_gated_en(tp, false); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr); + ret = -EBUSY; + goto out1; + } + } + + clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); + + rtl_runtime_suspend_enable(tp, true); + + if (netif_carrier_ok(netdev)) { + napi_disable(&tp->napi); + rtl_stop_rx(tp); + rxdy_gated_en(tp, false); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr); + napi_enable(&tp->napi); + } } + set_bit(SELECTIVE_SUSPEND, &tp->flags); + +out1: + return ret; +} + +static int rtl8152_system_suspend(struct r8152 *tp) +{ + struct net_device *netdev = tp->netdev; + int ret = 0; + + netif_device_detach(netdev); + if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) { clear_bit(WORK_ENABLE, &tp->flags); usb_kill_urb(tp->intr_urb); napi_disable(&tp->napi); - if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { - rtl_stop_rx(tp); - rtl_runtime_suspend_enable(tp, true); - } else { - cancel_delayed_work_sync(&tp->schedule); - tp->rtl_ops.down(tp); - } + cancel_delayed_work_sync(&tp->schedule); + tp->rtl_ops.down(tp); napi_enable(&tp->napi); } -out1: + + return ret; +} + +static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct r8152 *tp = usb_get_intfdata(intf); + int ret; + + mutex_lock(&tp->control); + + if (PMSG_IS_AUTO(message)) + ret = rtl8152_rumtime_suspend(tp); + else + ret = rtl8152_system_suspend(tp); + mutex_unlock(&tp->control); return ret; @@ -4173,6 +4223,11 @@ static int rtl8152_probe(struct usb_interface *intf, NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM | NETIF_F_TSO6; + if (tp->version == RTL_VER_01) { + netdev->features &= ~NETIF_F_RXCSUM; + netdev->hw_features &= ~NETIF_F_RXCSUM; + } + netdev->ethtool_ops = &ops; netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE); |