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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.c101
1 files changed, 69 insertions, 32 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index e0dcb681cfe5..39e0768d734d 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -28,7 +28,7 @@
#define NETNEXT_VERSION "09"
/* Information for net */
-#define NET_VERSION "9"
+#define NET_VERSION "10"
#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -53,6 +53,9 @@
#define PAL_BDC_CR 0xd1a0
#define PLA_TEREDO_TIMER 0xd2cc
#define PLA_REALWOW_TIMER 0xd2e8
+#define PLA_SUSPEND_FLAG 0xd38a
+#define PLA_INDICATE_FALG 0xd38c
+#define PLA_EXTRA_STATUS 0xd398
#define PLA_EFUSE_DATA 0xdd00
#define PLA_EFUSE_CMD 0xdd02
#define PLA_LEDSEL 0xdd90
@@ -336,6 +339,15 @@
/* PLA_BOOT_CTRL */
#define AUTOLOAD_DONE 0x0002
+/* PLA_SUSPEND_FLAG */
+#define LINK_CHG_EVENT BIT(0)
+
+/* PLA_INDICATE_FALG */
+#define UPCOMING_RUNTIME_D3 BIT(0)
+
+/* PLA_EXTRA_STATUS */
+#define LINK_CHANGE_FLAG BIT(8)
+
/* USB_USB2PHY */
#define USB2PHY_SUSPEND 0x0001
#define USB2PHY_L1 0x0002
@@ -813,6 +825,14 @@ int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
return ret;
}
+static void rtl_set_unplug(struct r8152 *tp)
+{
+ if (tp->udev->state == USB_STATE_NOTATTACHED) {
+ set_bit(RTL8152_UNPLUG, &tp->flags);
+ smp_mb__after_atomic();
+ }
+}
+
static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
void *data, u16 type)
{
@@ -851,7 +871,7 @@ static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
}
if (ret == -ENODEV)
- set_bit(RTL8152_UNPLUG, &tp->flags);
+ rtl_set_unplug(tp);
return ret;
}
@@ -921,7 +941,7 @@ static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
error1:
if (ret == -ENODEV)
- set_bit(RTL8152_UNPLUG, &tp->flags);
+ rtl_set_unplug(tp);
return ret;
}
@@ -1309,7 +1329,7 @@ static void read_bulk_callback(struct urb *urb)
napi_schedule(&tp->napi);
return;
case -ESHUTDOWN:
- set_bit(RTL8152_UNPLUG, &tp->flags);
+ rtl_set_unplug(tp);
netif_device_detach(tp->netdev);
return;
case -ENOENT:
@@ -1429,7 +1449,7 @@ static void intr_callback(struct urb *urb)
resubmit:
res = usb_submit_urb(urb, GFP_ATOMIC);
if (res == -ENODEV) {
- set_bit(RTL8152_UNPLUG, &tp->flags);
+ rtl_set_unplug(tp);
netif_device_detach(tp->netdev);
} else if (res) {
netif_err(tp, intr, tp->netdev,
@@ -2024,7 +2044,7 @@ static void tx_bottom(struct r8152 *tp)
struct net_device *netdev = tp->netdev;
if (res == -ENODEV) {
- set_bit(RTL8152_UNPLUG, &tp->flags);
+ rtl_set_unplug(tp);
netif_device_detach(netdev);
} else {
struct net_device_stats *stats = &netdev->stats;
@@ -2098,7 +2118,7 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
ret = usb_submit_urb(agg->urb, mem_flags);
if (ret == -ENODEV) {
- set_bit(RTL8152_UNPLUG, &tp->flags);
+ rtl_set_unplug(tp);
netif_device_detach(tp->netdev);
} else if (ret) {
struct urb *urb = agg->urb;
@@ -2355,6 +2375,12 @@ static int rtl_stop_rx(struct r8152 *tp)
return 0;
}
+static inline void r8153b_rx_agg_chg_indicate(struct r8152 *tp)
+{
+ ocp_write_byte(tp, MCU_TYPE_USB, USB_UPT_RXDMA_OWN,
+ OWN_UPDATE | OWN_CLEAR);
+}
+
static int rtl_enable(struct r8152 *tp)
{
u32 ocp_data;
@@ -2365,6 +2391,15 @@ static int rtl_enable(struct r8152 *tp)
ocp_data |= CR_RE | CR_TE;
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
+ switch (tp->version) {
+ case RTL_VER_08:
+ case RTL_VER_09:
+ r8153b_rx_agg_chg_indicate(tp);
+ break;
+ default:
+ break;
+ }
+
rxdy_gated_en(tp, false);
return 0;
@@ -2381,12 +2416,6 @@ static int rtl8152_enable(struct r8152 *tp)
return rtl_enable(tp);
}
-static inline void r8153b_rx_agg_chg_indicate(struct r8152 *tp)
-{
- ocp_write_byte(tp, MCU_TYPE_USB, USB_UPT_RXDMA_OWN,
- OWN_UPDATE | OWN_CLEAR);
-}
-
static void r8153_set_rx_early_timeout(struct r8152 *tp)
{
u32 ocp_data = tp->coalesce / 8;
@@ -2409,7 +2438,6 @@ static void r8153_set_rx_early_timeout(struct r8152 *tp)
128 / 8);
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EXTRA_AGGR_TMR,
ocp_data);
- r8153b_rx_agg_chg_indicate(tp);
break;
default:
@@ -2433,7 +2461,6 @@ static void r8153_set_rx_early_size(struct r8152 *tp)
case RTL_VER_09:
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE,
ocp_data / 8);
- r8153b_rx_agg_chg_indicate(tp);
break;
default:
WARN_ON_ONCE(1);
@@ -2806,20 +2833,24 @@ static void r8153b_power_cut_en(struct r8152 *tp, bool enable)
ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
}
-static void r8153b_queue_wake(struct r8152 *tp, bool enable)
+static void r8153_queue_wake(struct r8152 *tp, bool enable)
{
u32 ocp_data;
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, 0xd38a);
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_INDICATE_FALG);
if (enable)
- ocp_data |= BIT(0);
+ ocp_data |= UPCOMING_RUNTIME_D3;
else
- ocp_data &= ~BIT(0);
- ocp_write_byte(tp, MCU_TYPE_PLA, 0xd38a, ocp_data);
+ ocp_data &= ~UPCOMING_RUNTIME_D3;
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_INDICATE_FALG, ocp_data);
+
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_SUSPEND_FLAG);
+ ocp_data &= ~LINK_CHG_EVENT;
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_SUSPEND_FLAG, ocp_data);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, 0xd38c);
- ocp_data &= ~BIT(0);
- ocp_write_byte(tp, MCU_TYPE_PLA, 0xd38c, ocp_data);
+ ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
+ ocp_data &= ~LINK_CHANGE_FLAG;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
}
static bool rtl_can_wakeup(struct r8152 *tp)
@@ -2887,14 +2918,14 @@ static void rtl8153_runtime_enable(struct r8152 *tp, bool enable)
static void rtl8153b_runtime_enable(struct r8152 *tp, bool enable)
{
if (enable) {
- r8153b_queue_wake(tp, true);
+ r8153_queue_wake(tp, true);
r8153b_u1u2en(tp, false);
r8153_u2p3en(tp, false);
rtl_runtime_suspend_enable(tp, true);
r8153b_ups_en(tp, true);
} else {
r8153b_ups_en(tp, false);
- r8153b_queue_wake(tp, false);
+ r8153_queue_wake(tp, false);
rtl_runtime_suspend_enable(tp, false);
r8153_u2p3en(tp, true);
r8153b_u1u2en(tp, true);
@@ -4221,7 +4252,7 @@ static void r8153b_init(struct r8152 *tp)
r8153b_power_cut_en(tp, false);
r8153b_ups_en(tp, false);
- r8153b_queue_wake(tp, false);
+ r8153_queue_wake(tp, false);
rtl_runtime_suspend_enable(tp, false);
r8153b_u1u2en(tp, true);
usb_enable_lpm(tp->udev);
@@ -4903,8 +4934,17 @@ static int rtl8152_set_coalesce(struct net_device *netdev,
if (tp->coalesce != coalesce->rx_coalesce_usecs) {
tp->coalesce = coalesce->rx_coalesce_usecs;
- if (netif_running(tp->netdev) && netif_carrier_ok(netdev))
- r8153_set_rx_early_timeout(tp);
+ if (netif_running(netdev) && netif_carrier_ok(netdev)) {
+ netif_stop_queue(netdev);
+ napi_disable(&tp->napi);
+ tp->rtl_ops.disable(tp);
+ tp->rtl_ops.enable(tp);
+ rtl_start_rx(tp);
+ clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
+ _rtl8152_set_rx_mode(netdev);
+ napi_enable(&tp->napi);
+ netif_wake_queue(netdev);
+ }
}
mutex_unlock(&tp->control);
@@ -5323,10 +5363,7 @@ static void rtl8152_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
if (tp) {
- struct usb_device *udev = tp->udev;
-
- if (udev->state == USB_STATE_NOTATTACHED)
- set_bit(RTL8152_UNPLUG, &tp->flags);
+ rtl_set_unplug(tp);
netif_napi_del(&tp->napi);
unregister_netdev(tp->netdev);
generated by cgit (git 2.34.1) at 2024-04-20 09:12:44 +0000