summaryrefslogtreecommitdiff
path: root/drivers/net/usb/r8152.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/usb/r8152.c')
-rw-r--r--drivers/net/usb/r8152.c45
1 files changed, 36 insertions, 9 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 986243c932cc..07f788c49d57 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -32,7 +32,7 @@
#define NETNEXT_VERSION "08"
/* Information for net */
-#define NET_VERSION "8"
+#define NET_VERSION "9"
#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -501,6 +501,8 @@ enum rtl_register_content {
#define RTL8153_RMS RTL8153_MAX_PACKET
#define RTL8152_TX_TIMEOUT (5 * HZ)
#define RTL8152_NAPI_WEIGHT 64
+#define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + CRC_SIZE + \
+ sizeof(struct rx_desc) + RX_ALIGN)
/* rtl8152 flags */
enum rtl8152_flags {
@@ -515,6 +517,7 @@ enum rtl8152_flags {
/* Define these values to match your device */
#define VENDOR_ID_REALTEK 0x0bda
+#define VENDOR_ID_MICROSOFT 0x045e
#define VENDOR_ID_SAMSUNG 0x04e8
#define VENDOR_ID_LENOVO 0x17ef
#define VENDOR_ID_NVIDIA 0x0955
@@ -1292,6 +1295,7 @@ static void intr_callback(struct urb *urb)
}
} else {
if (netif_carrier_ok(tp->netdev)) {
+ netif_stop_queue(tp->netdev);
set_bit(RTL8152_LINK_CHG, &tp->flags);
schedule_delayed_work(&tp->schedule, 0);
}
@@ -1362,6 +1366,7 @@ static int alloc_all_mem(struct r8152 *tp)
spin_lock_init(&tp->rx_lock);
spin_lock_init(&tp->tx_lock);
INIT_LIST_HEAD(&tp->tx_free);
+ INIT_LIST_HEAD(&tp->rx_done);
skb_queue_head_init(&tp->tx_queue);
skb_queue_head_init(&tp->rx_queue);
@@ -2252,8 +2257,7 @@ static void r8153_set_rx_early_timeout(struct r8152 *tp)
static void r8153_set_rx_early_size(struct r8152 *tp)
{
- u32 mtu = tp->netdev->mtu;
- u32 ocp_data = (agg_buf_sz - mtu - VLAN_ETH_HLEN - VLAN_HLEN) / 8;
+ u32 ocp_data = (agg_buf_sz - rx_reserved_size(tp->netdev->mtu)) / 4;
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data);
}
@@ -2898,7 +2902,8 @@ static void r8153_first_init(struct r8152 *tp)
rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
+ ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + CRC_SIZE;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
@@ -2950,7 +2955,8 @@ static void r8153_enter_oob(struct r8152 *tp)
usleep_range(1000, 2000);
}
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);
+ ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + CRC_SIZE;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
ocp_data &= ~TEREDO_WAKE_MASK;
@@ -3165,6 +3171,9 @@ static void set_carrier(struct r8152 *tp)
napi_enable(&tp->napi);
netif_wake_queue(netdev);
netif_info(tp, link, netdev, "carrier on\n");
+ } else if (netif_queue_stopped(netdev) &&
+ skb_queue_len(&tp->tx_queue) < tp->tx_qlen) {
+ netif_wake_queue(netdev);
}
} else {
if (netif_carrier_ok(netdev)) {
@@ -3698,8 +3707,18 @@ static int rtl8152_resume(struct usb_interface *intf)
tp->rtl_ops.autosuspend_en(tp, false);
napi_disable(&tp->napi);
set_bit(WORK_ENABLE, &tp->flags);
- if (netif_carrier_ok(tp->netdev))
- rtl_start_rx(tp);
+
+ if (netif_carrier_ok(tp->netdev)) {
+ if (rtl8152_get_speed(tp) & LINK_STATUS) {
+ rtl_start_rx(tp);
+ } else {
+ netif_carrier_off(tp->netdev);
+ tp->rtl_ops.disable(tp);
+ netif_info(tp, link, tp->netdev,
+ "linking down\n");
+ }
+ }
+
napi_enable(&tp->napi);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
smp_mb__after_atomic();
@@ -4200,8 +4219,14 @@ static int rtl8152_change_mtu(struct net_device *dev, int new_mtu)
dev->mtu = new_mtu;
- if (netif_running(dev) && netif_carrier_ok(dev))
- r8153_set_rx_early_size(tp);
+ if (netif_running(dev)) {
+ u32 rms = new_mtu + VLAN_ETH_HLEN + CRC_SIZE;
+
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, rms);
+
+ if (netif_carrier_ok(dev))
+ r8153_set_rx_early_size(tp);
+ }
mutex_unlock(&tp->control);
@@ -4497,6 +4522,8 @@ static void rtl8152_disconnect(struct usb_interface *intf)
static struct usb_device_id rtl8152_table[] = {
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)},
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},
+ {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07ab)},
+ {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07c6)},
{REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3062)},