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path: root/drivers/net/usb/r8152.c
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Diffstat (limited to 'drivers/net/usb/r8152.c')
-rw-r--r--drivers/net/usb/r8152.c68
1 files changed, 59 insertions, 9 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 18e12a3f7fc..3eab74c7c55 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -282,7 +282,7 @@
/* USB_DEV_STAT */
#define STAT_SPEED_MASK 0x0006
#define STAT_SPEED_HIGH 0x0000
-#define STAT_SPEED_FULL 0x0001
+#define STAT_SPEED_FULL 0x0002
/* USB_TX_AGG */
#define TX_AGG_MAX_THRESHOLD 0x03
@@ -630,12 +630,10 @@ int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
int ret;
void *tmp;
- tmp = kmalloc(size, GFP_KERNEL);
+ tmp = kmemdup(data, size, GFP_KERNEL);
if (!tmp)
return -ENOMEM;
- memcpy(tmp, data, size);
-
ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
value, index, tmp, size, 500);
@@ -929,6 +927,9 @@ static int read_mii_word(struct net_device *netdev, int phy_id, int reg)
struct r8152 *tp = netdev_priv(netdev);
int ret;
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return -ENODEV;
+
if (phy_id != R8152_PHY_ID)
return -EINVAL;
@@ -949,6 +950,9 @@ void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val)
{
struct r8152 *tp = netdev_priv(netdev);
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return;
+
if (phy_id != R8152_PHY_ID)
return;
@@ -1355,7 +1359,7 @@ static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb,
struct sk_buff_head seg_list;
struct sk_buff *segs, *nskb;
- features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO);
+ features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
segs = skb_gso_segment(skb, features);
if (IS_ERR(segs) || !segs)
goto drop;
@@ -1962,6 +1966,9 @@ static int rtl_enable(struct r8152 *tp)
static int rtl8152_enable(struct r8152 *tp)
{
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return -ENODEV;
+
set_tx_qlen(tp);
rtl_set_eee_plus(tp);
@@ -1994,6 +2001,9 @@ static void r8153_set_rx_agg(struct r8152 *tp)
static int rtl8153_enable(struct r8152 *tp)
{
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return -ENODEV;
+
set_tx_qlen(tp);
rtl_set_eee_plus(tp);
r8153_set_rx_agg(tp);
@@ -2006,6 +2016,11 @@ static void rtl8152_disable(struct r8152 *tp)
u32 ocp_data;
int i;
+ if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
+ rtl_drop_queued_tx(tp);
+ return;
+ }
+
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
ocp_data &= ~RCR_ACPT_ALL;
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
@@ -2232,6 +2247,9 @@ static void r8152b_exit_oob(struct r8152 *tp)
u32 ocp_data;
int i;
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return;
+
ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
ocp_data &= ~RCR_ACPT_ALL;
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
@@ -2274,9 +2292,8 @@ static void r8152b_exit_oob(struct r8152 *tp)
/* rx share fifo credit full threshold */
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_DEV_STAT);
- ocp_data &= STAT_SPEED_MASK;
- if (ocp_data == STAT_SPEED_FULL) {
+ if (tp->udev->speed == USB_SPEED_FULL ||
+ tp->udev->speed == USB_SPEED_LOW) {
/* rx share fifo credit near full threshold */
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
RXFIFO_THR2_FULL);
@@ -2460,6 +2477,9 @@ static void r8153_first_init(struct r8152 *tp)
u32 ocp_data;
int i;
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return;
+
rxdy_gated_en(tp, true);
r8153_teredo_off(tp);
@@ -2687,6 +2707,11 @@ out:
static void rtl8152_down(struct r8152 *tp)
{
+ if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
+ rtl_drop_queued_tx(tp);
+ return;
+ }
+
r8152_power_cut_en(tp, false);
r8152b_disable_aldps(tp);
r8152b_enter_oob(tp);
@@ -2695,6 +2720,11 @@ static void rtl8152_down(struct r8152 *tp)
static void rtl8153_down(struct r8152 *tp)
{
+ if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
+ rtl_drop_queued_tx(tp);
+ return;
+ }
+
r8153_u1u2en(tp, false);
r8153_power_cut_en(tp, false);
r8153_disable_aldps(tp);
@@ -2904,6 +2934,9 @@ static void r8152b_init(struct r8152 *tp)
{
u32 ocp_data;
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return;
+
if (tp->version == RTL_VER_01) {
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
ocp_data &= ~LED_MODE_MASK;
@@ -2939,6 +2972,9 @@ static void r8153_init(struct r8152 *tp)
u32 ocp_data;
int i;
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return;
+
r8153_u1u2en(tp, false);
for (i = 0; i < 500; i++) {
@@ -3167,8 +3203,13 @@ static void rtl8152_get_ethtool_stats(struct net_device *dev,
struct r8152 *tp = netdev_priv(dev);
struct tally_counter tally;
+ if (usb_autopm_get_interface(tp->intf) < 0)
+ return;
+
generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
+ usb_autopm_put_interface(tp->intf);
+
data[0] = le64_to_cpu(tally.tx_packets);
data[1] = le64_to_cpu(tally.rx_packets);
data[2] = le64_to_cpu(tally.tx_errors);
@@ -3213,6 +3254,9 @@ static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
struct mii_ioctl_data *data = if_mii(rq);
int res;
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return -ENODEV;
+
res = usb_autopm_get_interface(tp->intf);
if (res < 0)
goto out;
@@ -3293,12 +3337,18 @@ static void r8152b_get_version(struct r8152 *tp)
static void rtl8152_unload(struct r8152 *tp)
{
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return;
+
if (tp->version != RTL_VER_01)
r8152_power_cut_en(tp, true);
}
static void rtl8153_unload(struct r8152 *tp)
{
+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
+ return;
+
r8153_power_cut_en(tp, true);
}
@@ -3404,7 +3454,7 @@ static int rtl8152_probe(struct usb_interface *intf,
NETIF_F_TSO | NETIF_F_FRAGLIST |
NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
- SET_ETHTOOL_OPS(netdev, &ops);
+ netdev->ethtool_ops = &ops;
netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE);
tp->mii.dev = netdev;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-12 06:09:38 +0000