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-rw-r--r--drivers/net/usb/cdc_ncm.c7
-rw-r--r--drivers/net/usb/pegasus.c2
-rw-r--r--drivers/net/usb/r8152.c155
-rw-r--r--drivers/net/usb/smsc95xx.c51
-rw-r--r--drivers/net/usb/usbnet.c10
5 files changed, 195 insertions, 30 deletions
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 53759c315b97..877c9516e781 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -854,6 +854,13 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
if (cdc_ncm_init(dev))
goto error2;
+ /* Some firmwares need a pause here or they will silently fail
+ * to set up the interface properly. This value was decided
+ * empirically on a Sierra Wireless MC7455 running 02.08.02.00
+ * firmware.
+ */
+ usleep_range(10000, 20000);
+
/* configure data interface */
temp = usb_set_interface(dev->udev, iface_no, data_altsetting);
if (temp) {
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 36cd7f016a8d..9bbe0161a2f4 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -473,7 +473,7 @@ static void read_bulk_callback(struct urb *urb)
goto goon;
}
- if (!count || count < 4)
+ if (count < 4)
goto goon;
rx_status = buf[count - 2];
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 3f9f6ed3eec4..e9654a685381 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -26,12 +26,13 @@
#include <linux/mdio.h>
#include <linux/usb/cdc.h>
#include <linux/suspend.h>
+#include <linux/acpi.h>
/* Information for net-next */
#define NETNEXT_VERSION "08"
/* Information for net */
-#define NET_VERSION "3"
+#define NET_VERSION "5"
#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -116,6 +117,7 @@
#define USB_TX_DMA 0xd434
#define USB_TOLERANCE 0xd490
#define USB_LPM_CTRL 0xd41a
+#define USB_BMU_RESET 0xd4b0
#define USB_UPS_CTRL 0xd800
#define USB_MISC_0 0xd81a
#define USB_POWER_CUT 0xd80a
@@ -338,6 +340,10 @@
#define TEST_MODE_DISABLE 0x00000001
#define TX_SIZE_ADJUST1 0x00000100
+/* USB_BMU_RESET */
+#define BMU_RESET_EP_IN 0x01
+#define BMU_RESET_EP_OUT 0x02
+
/* USB_UPS_CTRL */
#define POWER_CUT 0x0100
@@ -455,6 +461,11 @@
/* SRAM_IMPEDANCE */
#define RX_DRIVING_MASK 0x6000
+/* MAC PASSTHRU */
+#define AD_MASK 0xfee0
+#define EFUSE 0xcfdb
+#define PASS_THRU_MASK 0x1
+
enum rtl_register_content {
_1000bps = 0x10,
_100bps = 0x08,
@@ -619,6 +630,7 @@ struct r8152 {
int (*eee_get)(struct r8152 *, struct ethtool_eee *);
int (*eee_set)(struct r8152 *, struct ethtool_eee *);
bool (*in_nway)(struct r8152 *);
+ void (*autosuspend_en)(struct r8152 *tp, bool enable);
} rtl_ops;
int intr_interval;
@@ -1030,6 +1042,65 @@ out1:
return ret;
}
+/* Devices containing RTL8153-AD can support a persistent
+ * host system provided MAC address.
+ * Examples of this are Dell TB15 and Dell WD15 docks
+ */
+static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa)
+{
+ acpi_status status;
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+ int ret = -EINVAL;
+ u32 ocp_data;
+ unsigned char buf[6];
+
+ /* test for -AD variant of RTL8153 */
+ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
+ if ((ocp_data & AD_MASK) != 0x1000)
+ return -ENODEV;
+
+ /* test for MAC address pass-through bit */
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, EFUSE);
+ if ((ocp_data & PASS_THRU_MASK) != 1)
+ return -ENODEV;
+
+ /* returns _AUXMAC_#AABBCCDDEEFF# */
+ status = acpi_evaluate_object(NULL, "\\_SB.AMAC", NULL, &buffer);
+ obj = (union acpi_object *)buffer.pointer;
+ if (!ACPI_SUCCESS(status))
+ return -ENODEV;
+ if (obj->type != ACPI_TYPE_BUFFER || obj->string.length != 0x17) {
+ netif_warn(tp, probe, tp->netdev,
+ "Invalid buffer when reading pass-thru MAC addr: "
+ "(%d, %d)\n",
+ obj->type, obj->string.length);
+ goto amacout;
+ }
+ if (strncmp(obj->string.pointer, "_AUXMAC_#", 9) != 0 ||
+ strncmp(obj->string.pointer + 0x15, "#", 1) != 0) {
+ netif_warn(tp, probe, tp->netdev,
+ "Invalid header when reading pass-thru MAC addr\n");
+ goto amacout;
+ }
+ ret = hex2bin(buf, obj->string.pointer + 9, 6);
+ if (!(ret == 0 && is_valid_ether_addr(buf))) {
+ netif_warn(tp, probe, tp->netdev,
+ "Invalid MAC when reading pass-thru MAC addr: "
+ "%d, %pM\n", ret, buf);
+ ret = -EINVAL;
+ goto amacout;
+ }
+ memcpy(sa->sa_data, buf, 6);
+ ether_addr_copy(tp->netdev->dev_addr, sa->sa_data);
+ netif_info(tp, probe, tp->netdev,
+ "Using pass-thru MAC addr %pM\n", sa->sa_data);
+
+amacout:
+ kfree(obj);
+ return ret;
+}
+
static int set_ethernet_addr(struct r8152 *tp)
{
struct net_device *dev = tp->netdev;
@@ -1038,8 +1109,15 @@ static int set_ethernet_addr(struct r8152 *tp)
if (tp->version == RTL_VER_01)
ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data);
- else
- ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data);
+ else {
+ /* if this is not an RTL8153-AD, no eFuse mac pass thru set,
+ * or system doesn't provide valid _SB.AMAC this will be
+ * be expected to non-zero
+ */
+ ret = vendor_mac_passthru_addr_read(tp, &sa);
+ if (ret < 0)
+ ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data);
+ }
if (ret < 0) {
netif_err(tp, probe, dev, "Get ether addr fail\n");
@@ -2169,7 +2247,7 @@ 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) / 4;
+ u32 ocp_data = (agg_buf_sz - mtu - VLAN_ETH_HLEN - VLAN_HLEN) / 8;
ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data);
}
@@ -2290,10 +2368,6 @@ static u32 __rtl_get_wol(struct r8152 *tp)
u32 ocp_data;
u32 wolopts = 0;
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5);
- if (!(ocp_data & LAN_WAKE_EN))
- return 0;
-
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
if (ocp_data & LINK_ON_WAKE_EN)
wolopts |= WAKE_PHY;
@@ -2326,15 +2400,13 @@ static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
- ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN);
+ ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN);
if (wolopts & WAKE_UCAST)
ocp_data |= UWF_EN;
if (wolopts & WAKE_BCAST)
ocp_data |= BWF_EN;
if (wolopts & WAKE_MCAST)
ocp_data |= MWF_EN;
- if (wolopts & WAKE_ANY)
- ocp_data |= LAN_WAKE_EN;
ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
@@ -2403,9 +2475,6 @@ static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
if (enable) {
u32 ocp_data;
- r8153_u1u2en(tp, false);
- r8153_u2p3en(tp, false);
-
__rtl_set_wol(tp, WAKE_ANY);
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
@@ -2416,7 +2485,28 @@ static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
} else {
+ u32 ocp_data;
+
__rtl_set_wol(tp, tp->saved_wolopts);
+
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
+
+ ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
+ ocp_data &= ~LINK_OFF_WAKE_EN;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
+
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
+ }
+}
+
+static void rtl8153_runtime_enable(struct r8152 *tp, bool enable)
+{
+ rtl_runtime_suspend_enable(tp, enable);
+
+ if (enable) {
+ r8153_u1u2en(tp, false);
+ r8153_u2p3en(tp, false);
+ } else {
r8153_u2p3en(tp, true);
r8153_u1u2en(tp, true);
}
@@ -2456,6 +2546,17 @@ static void r8153_teredo_off(struct r8152 *tp)
ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
}
+static void rtl_reset_bmu(struct r8152 *tp)
+{
+ u32 ocp_data;
+
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_BMU_RESET);
+ ocp_data &= ~(BMU_RESET_EP_IN | BMU_RESET_EP_OUT);
+ ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
+ ocp_data |= BMU_RESET_EP_IN | BMU_RESET_EP_OUT;
+ ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
+}
+
static void r8152_aldps_en(struct r8152 *tp, bool enable)
{
if (enable) {
@@ -2681,6 +2782,7 @@ static void r8153_first_init(struct r8152 *tp)
r8153_hw_phy_cfg(tp);
rtl8152_nic_reset(tp);
+ rtl_reset_bmu(tp);
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
ocp_data &= ~NOW_IS_OOB;
@@ -2742,6 +2844,7 @@ static void r8153_enter_oob(struct r8152 *tp)
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
rtl_disable(tp);
+ rtl_reset_bmu(tp);
for (i = 0; i < 1000; i++) {
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
@@ -2803,6 +2906,7 @@ static void rtl8153_disable(struct r8152 *tp)
{
r8153_aldps_en(tp, false);
rtl_disable(tp);
+ rtl_reset_bmu(tp);
r8153_aldps_en(tp, true);
usb_enable_lpm(tp->udev);
}
@@ -3382,15 +3486,11 @@ static void r8153_init(struct r8152 *tp)
r8153_power_cut_en(tp, false);
r8153_u1u2en(tp, true);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ALDPS_SPDWN_RATIO);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, EEE_SPDWN_RATIO);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3,
- PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN |
- U1U2_SPDWN_EN | L1_SPDWN_EN);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4,
- PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN |
- TP100_SPDWN_EN | TP500_SPDWN_EN | TP1000_SPDWN_EN |
- EEE_SPDWN_EN);
+ /* MAC clock speed down */
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, 0);
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, 0);
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, 0);
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, 0);
r8153_enable_eee(tp);
r8153_aldps_en(tp, true);
@@ -3497,7 +3597,7 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
napi_disable(&tp->napi);
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
rtl_stop_rx(tp);
- rtl_runtime_suspend_enable(tp, true);
+ tp->rtl_ops.autosuspend_en(tp, true);
} else {
cancel_delayed_work_sync(&tp->schedule);
tp->rtl_ops.down(tp);
@@ -3523,7 +3623,7 @@ static int rtl8152_resume(struct usb_interface *intf)
if (netif_running(tp->netdev) && tp->netdev->flags & IFF_UP) {
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
- rtl_runtime_suspend_enable(tp, false);
+ tp->rtl_ops.autosuspend_en(tp, false);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
napi_disable(&tp->napi);
set_bit(WORK_ENABLE, &tp->flags);
@@ -3542,7 +3642,7 @@ static int rtl8152_resume(struct usb_interface *intf)
usb_submit_urb(tp->intr_urb, GFP_KERNEL);
} else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
if (tp->netdev->flags & IFF_UP)
- rtl_runtime_suspend_enable(tp, false);
+ tp->rtl_ops.autosuspend_en(tp, false);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
}
@@ -4122,6 +4222,7 @@ static int rtl_ops_init(struct r8152 *tp)
ops->eee_get = r8152_get_eee;
ops->eee_set = r8152_set_eee;
ops->in_nway = rtl8152_in_nway;
+ ops->autosuspend_en = rtl_runtime_suspend_enable;
break;
case RTL_VER_03:
@@ -4137,6 +4238,7 @@ static int rtl_ops_init(struct r8152 *tp)
ops->eee_get = r8153_get_eee;
ops->eee_set = r8153_set_eee;
ops->in_nway = rtl8153_in_nway;
+ ops->autosuspend_en = rtl8153_runtime_enable;
break;
default:
@@ -4323,3 +4425,4 @@ module_usb_driver(rtl8152_driver);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
+MODULE_VERSION(DRIVER_VERSION);
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index d9d2806a47b1..dc989a8b5afb 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -61,6 +61,8 @@
#define SUSPEND_ALLMODES (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \
SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3)
+#define CARRIER_CHECK_DELAY (2 * HZ)
+
struct smsc95xx_priv {
u32 mac_cr;
u32 hash_hi;
@@ -69,6 +71,9 @@ struct smsc95xx_priv {
spinlock_t mac_cr_lock;
u8 features;
u8 suspend_flags;
+ bool link_ok;
+ struct delayed_work carrier_check;
+ struct usbnet *dev;
};
static bool turbo_mode = true;
@@ -624,6 +629,44 @@ static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
intdata);
}
+static void set_carrier(struct usbnet *dev, bool link)
+{
+ struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+
+ if (pdata->link_ok == link)
+ return;
+
+ pdata->link_ok = link;
+
+ if (link)
+ usbnet_link_change(dev, 1, 0);
+ else
+ usbnet_link_change(dev, 0, 0);
+}
+
+static void check_carrier(struct work_struct *work)
+{
+ struct smsc95xx_priv *pdata = container_of(work, struct smsc95xx_priv,
+ carrier_check.work);
+ struct usbnet *dev = pdata->dev;
+ int ret;
+
+ if (pdata->suspend_flags != 0)
+ return;
+
+ ret = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMSR);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read MII_BMSR\n");
+ return;
+ }
+ if (ret & BMSR_LSTATUS)
+ set_carrier(dev, 1);
+ else
+ set_carrier(dev, 0);
+
+ schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
+}
+
/* Enable or disable Tx & Rx checksum offload engines */
static int smsc95xx_set_features(struct net_device *netdev,
netdev_features_t features)
@@ -1165,13 +1208,20 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
dev->net->flags |= IFF_MULTICAST;
dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
+
+ pdata->dev = dev;
+ INIT_DELAYED_WORK(&pdata->carrier_check, check_carrier);
+ schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
+
return 0;
}
static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+
if (pdata) {
+ cancel_delayed_work(&pdata->carrier_check);
netif_dbg(dev, ifdown, dev->net, "free pdata\n");
kfree(pdata);
pdata = NULL;
@@ -1695,6 +1745,7 @@ static int smsc95xx_resume(struct usb_interface *intf)
/* do this first to ensure it's cleared even in error case */
pdata->suspend_flags = 0;
+ schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
if (suspend_flags & SUSPEND_ALLMODES) {
/* clear wake-up sources */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 61ba46404937..6086a0163249 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -395,8 +395,11 @@ int usbnet_change_mtu (struct net_device *net, int new_mtu)
dev->hard_mtu = net->mtu + net->hard_header_len;
if (dev->rx_urb_size == old_hard_mtu) {
dev->rx_urb_size = dev->hard_mtu;
- if (dev->rx_urb_size > old_rx_urb_size)
+ if (dev->rx_urb_size > old_rx_urb_size) {
+ usbnet_pause_rx(dev);
usbnet_unlink_rx_urbs(dev);
+ usbnet_resume_rx(dev);
+ }
}
/* max qlen depend on hard_mtu and rx_urb_size */
@@ -1508,8 +1511,9 @@ static void usbnet_bh (unsigned long param)
} else if (netif_running (dev->net) &&
netif_device_present (dev->net) &&
netif_carrier_ok(dev->net) &&
- !timer_pending (&dev->delay) &&
- !test_bit (EVENT_RX_HALT, &dev->flags)) {
+ !timer_pending(&dev->delay) &&
+ !test_bit(EVENT_RX_PAUSED, &dev->flags) &&
+ !test_bit(EVENT_RX_HALT, &dev->flags)) {
int temp = dev->rxq.qlen;
if (temp < RX_QLEN(dev)) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 16:49:12 +0000