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-rw-r--r--drivers/net/usb/asix.c24
-rw-r--r--drivers/net/usb/catc.c4
-rw-r--r--drivers/net/usb/cdc-phonet.c8
-rw-r--r--drivers/net/usb/cdc_eem.c4
-rw-r--r--drivers/net/usb/cdc_ether.c79
-rw-r--r--drivers/net/usb/dm9601.c2
-rw-r--r--drivers/net/usb/hso.c34
-rw-r--r--drivers/net/usb/kaweth.c11
-rw-r--r--drivers/net/usb/mcs7830.c4
-rw-r--r--drivers/net/usb/rndis_host.c10
-rw-r--r--drivers/net/usb/usbnet.c218
-rw-r--r--drivers/net/usb/zaurus.c4
12 files changed, 264 insertions, 138 deletions
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 6ce7f775bb74..a516185cbc9f 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -365,8 +365,8 @@ static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
padlen = ((skb->len + 4) % 512) ? 0 : 4;
- if ((!skb_cloned(skb))
- && ((headroom + tailroom) >= (4 + padlen))) {
+ if ((!skb_cloned(skb)) &&
+ ((headroom + tailroom) >= (4 + padlen))) {
if ((headroom < 4) || (tailroom < padlen)) {
skb->data = memmove(skb->head + 4, skb->data, skb->len);
skb_set_tail_pointer(skb, skb->len);
@@ -541,8 +541,8 @@ static void asix_set_multicast(struct net_device *net)
if (net->flags & IFF_PROMISC) {
rx_ctl |= AX_RX_CTL_PRO;
- } else if (net->flags & IFF_ALLMULTI
- || net->mc_count > AX_MAX_MCAST) {
+ } else if (net->flags & IFF_ALLMULTI ||
+ net->mc_count > AX_MAX_MCAST) {
rx_ctl |= AX_RX_CTL_AMALL;
} else if (net->mc_count == 0) {
/* just broadcast and directed */
@@ -753,8 +753,8 @@ static void ax88172_set_multicast(struct net_device *net)
if (net->flags & IFF_PROMISC) {
rx_ctl |= 0x01;
- } else if (net->flags & IFF_ALLMULTI
- || net->mc_count > AX_MAX_MCAST) {
+ } else if (net->flags & IFF_ALLMULTI ||
+ net->mc_count > AX_MAX_MCAST) {
rx_ctl |= 0x02;
} else if (net->mc_count == 0) {
/* just broadcast and directed */
@@ -1327,7 +1327,7 @@ static const struct driver_info ax8817x_info = {
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
- .flags = FLAG_ETHER,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x00130103,
};
@@ -1337,7 +1337,7 @@ static const struct driver_info dlink_dub_e100_info = {
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
- .flags = FLAG_ETHER,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x009f9d9f,
};
@@ -1347,7 +1347,7 @@ static const struct driver_info netgear_fa120_info = {
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
- .flags = FLAG_ETHER,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x00130103,
};
@@ -1357,7 +1357,7 @@ static const struct driver_info hawking_uf200_info = {
.status = asix_status,
.link_reset = ax88172_link_reset,
.reset = ax88172_link_reset,
- .flags = FLAG_ETHER,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
.data = 0x001f1d1f,
};
@@ -1367,7 +1367,7 @@ static const struct driver_info ax88772_info = {
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_link_reset,
- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
.rx_fixup = asix_rx_fixup,
.tx_fixup = asix_tx_fixup,
};
@@ -1378,7 +1378,7 @@ static const struct driver_info ax88178_info = {
.status = asix_status,
.link_reset = ax88178_link_reset,
.reset = ax88178_link_reset,
- .flags = FLAG_ETHER | FLAG_FRAMING_AX,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
.rx_fixup = asix_rx_fixup,
.tx_fixup = asix_tx_fixup,
};
diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index 2bed6b087d16..22b87e64a810 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -436,8 +436,8 @@ static netdev_tx_t catc_start_xmit(struct sk_buff *skb,
clear_bit(TX_RUNNING, &catc->flags);
}
- if ((catc->is_f5u011 && catc->tx_ptr)
- || (catc->tx_ptr >= ((TX_MAX_BURST - 1) * (PKT_SZ + 2))))
+ if ((catc->is_f5u011 && catc->tx_ptr) ||
+ (catc->tx_ptr >= ((TX_MAX_BURST - 1) * (PKT_SZ + 2))))
netif_stop_queue(netdev);
spin_unlock_irqrestore(&catc->tx_lock, flags);
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index 33d5c579c5ad..6491c9c00c83 100644
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -372,12 +372,12 @@ int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id)
/* Data interface has one inactive and one active setting */
if (data_intf->num_altsetting != 2)
return -EINVAL;
- if (data_intf->altsetting[0].desc.bNumEndpoints == 0
- && data_intf->altsetting[1].desc.bNumEndpoints == 2)
+ if (data_intf->altsetting[0].desc.bNumEndpoints == 0 &&
+ data_intf->altsetting[1].desc.bNumEndpoints == 2)
data_desc = data_intf->altsetting + 1;
else
- if (data_intf->altsetting[0].desc.bNumEndpoints == 2
- && data_intf->altsetting[1].desc.bNumEndpoints == 0)
+ if (data_intf->altsetting[0].desc.bNumEndpoints == 2 &&
+ data_intf->altsetting[1].desc.bNumEndpoints == 0)
data_desc = data_intf->altsetting;
else
return -EINVAL;
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
index 23300656c266..c337ffc3304a 100644
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -121,8 +121,8 @@ static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
int headroom = skb_headroom(skb);
int tailroom = skb_tailroom(skb);
- if ((tailroom >= ETH_FCS_LEN + padlen)
- && (headroom >= EEM_HEAD))
+ if ((tailroom >= ETH_FCS_LEN + padlen) &&
+ (headroom >= EEM_HEAD))
goto done;
if ((headroom + tailroom)
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 21e1ba160008..21e183a83b99 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -37,23 +37,23 @@
static int is_rndis(struct usb_interface_descriptor *desc)
{
- return desc->bInterfaceClass == USB_CLASS_COMM
- && desc->bInterfaceSubClass == 2
- && desc->bInterfaceProtocol == 0xff;
+ return (desc->bInterfaceClass == USB_CLASS_COMM &&
+ desc->bInterfaceSubClass == 2 &&
+ desc->bInterfaceProtocol == 0xff);
}
static int is_activesync(struct usb_interface_descriptor *desc)
{
- return desc->bInterfaceClass == USB_CLASS_MISC
- && desc->bInterfaceSubClass == 1
- && desc->bInterfaceProtocol == 1;
+ return (desc->bInterfaceClass == USB_CLASS_MISC &&
+ desc->bInterfaceSubClass == 1 &&
+ desc->bInterfaceProtocol == 1);
}
static int is_wireless_rndis(struct usb_interface_descriptor *desc)
{
- return desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER
- && desc->bInterfaceSubClass == 1
- && desc->bInterfaceProtocol == 3;
+ return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER &&
+ desc->bInterfaceSubClass == 1 &&
+ desc->bInterfaceProtocol == 3);
}
#else
@@ -116,9 +116,9 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
/* this assumes that if there's a non-RNDIS vendor variant
* of cdc-acm, it'll fail RNDIS requests cleanly.
*/
- rndis = is_rndis(&intf->cur_altsetting->desc)
- || is_activesync(&intf->cur_altsetting->desc)
- || is_wireless_rndis(&intf->cur_altsetting->desc);
+ rndis = (is_rndis(&intf->cur_altsetting->desc) ||
+ is_activesync(&intf->cur_altsetting->desc) ||
+ is_wireless_rndis(&intf->cur_altsetting->desc));
memset(info, 0, sizeof *info);
info->control = intf;
@@ -279,10 +279,10 @@ next_desc:
dev->status = &info->control->cur_altsetting->endpoint [0];
desc = &dev->status->desc;
- if (!usb_endpoint_is_int_in(desc)
- || (le16_to_cpu(desc->wMaxPacketSize)
- < sizeof(struct usb_cdc_notification))
- || !desc->bInterval) {
+ if (!usb_endpoint_is_int_in(desc) ||
+ (le16_to_cpu(desc->wMaxPacketSize)
+ < sizeof(struct usb_cdc_notification)) ||
+ !desc->bInterval) {
dev_dbg(&intf->dev, "bad notification endpoint\n");
dev->status = NULL;
}
@@ -411,13 +411,28 @@ static int cdc_bind(struct usbnet *dev, struct usb_interface *intf)
return 0;
}
+static int cdc_manage_power(struct usbnet *dev, int on)
+{
+ dev->intf->needs_remote_wakeup = on;
+ return 0;
+}
+
static const struct driver_info cdc_info = {
.description = "CDC Ethernet Device",
- .flags = FLAG_ETHER,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
// .check_connect = cdc_check_connect,
.bind = cdc_bind,
.unbind = usbnet_cdc_unbind,
.status = cdc_status,
+ .manage_power = cdc_manage_power,
+};
+
+static const struct driver_info mbm_info = {
+ .description = "Mobile Broadband Network Device",
+ .flags = FLAG_WWAN,
+ .bind = cdc_bind,
+ .unbind = usbnet_cdc_unbind,
+ .status = cdc_status,
};
/*-------------------------------------------------------------------------*/
@@ -532,72 +547,72 @@ static const struct usb_device_id products [] = {
/* Ericsson F3507g */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1900, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Ericsson F3507g ver. 2 */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1902, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Ericsson F3607gw */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1904, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Ericsson F3607gw ver 2 */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1905, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Ericsson F3607gw ver 3 */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1906, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Ericsson F3307 */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x190a, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Ericsson F3307 ver 2 */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1909, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Ericsson C3607w */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1049, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Toshiba F3507g */
USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130b, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Toshiba F3607gw */
USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130c, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Toshiba F3607gw ver 2 */
USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x1311, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Dell F3507g */
USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8147, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Dell F3607gw */
USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8183, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
}, {
/* Dell F3607gw ver 2 */
USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8184, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long) &cdc_info,
+ .driver_info = (unsigned long) &mbm_info,
},
{ }, // END
};
@@ -610,6 +625,8 @@ static struct usb_driver cdc_driver = {
.disconnect = usbnet_disconnect,
.suspend = usbnet_suspend,
.resume = usbnet_resume,
+ .reset_resume = usbnet_resume,
+ .supports_autosuspend = 1,
};
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index a2b30a10064f..3d406f9b2f29 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -611,7 +611,7 @@ static int dm9601_link_reset(struct usbnet *dev)
static const struct driver_info dm9601_info = {
.description = "Davicom DM9601 USB Ethernet",
- .flags = FLAG_ETHER,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
.bind = dm9601_bind,
.rx_fixup = dm9601_rx_fixup,
.tx_fixup = dm9601_tx_fixup,
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 43bc3fcc0d85..f78f0903b073 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -602,9 +602,9 @@ static struct hso_serial *get_serial_by_shared_int_and_type(
port = hso_mux_to_port(mux);
for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
- if (serial_table[i]
- && (dev2ser(serial_table[i])->shared_int == shared_int)
- && ((serial_table[i]->port_spec & HSO_PORT_MASK) == port)) {
+ if (serial_table[i] &&
+ (dev2ser(serial_table[i])->shared_int == shared_int) &&
+ ((serial_table[i]->port_spec & HSO_PORT_MASK) == port)) {
return dev2ser(serial_table[i]);
}
}
@@ -846,8 +846,8 @@ static void hso_net_tx_timeout(struct net_device *net)
dev_warn(&net->dev, "Tx timed out.\n");
/* Tear the waiting frame off the list */
- if (odev->mux_bulk_tx_urb
- && (odev->mux_bulk_tx_urb->status == -EINPROGRESS))
+ if (odev->mux_bulk_tx_urb &&
+ (odev->mux_bulk_tx_urb->status == -EINPROGRESS))
usb_unlink_urb(odev->mux_bulk_tx_urb);
/* Update statistics */
@@ -1020,9 +1020,9 @@ static void read_bulk_callback(struct urb *urb)
u32 rest;
u8 crc_check[4] = { 0xDE, 0xAD, 0xBE, 0xEF };
rest = urb->actual_length % odev->in_endp->wMaxPacketSize;
- if (((rest == 5) || (rest == 6))
- && !memcmp(((u8 *) urb->transfer_buffer) +
- urb->actual_length - 4, crc_check, 4)) {
+ if (((rest == 5) || (rest == 6)) &&
+ !memcmp(((u8 *) urb->transfer_buffer) +
+ urb->actual_length - 4, crc_check, 4)) {
urb->actual_length -= 4;
}
}
@@ -1226,9 +1226,9 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb)
rest =
urb->actual_length %
serial->in_endp->wMaxPacketSize;
- if (((rest == 5) || (rest == 6))
- && !memcmp(((u8 *) urb->transfer_buffer) +
- urb->actual_length - 4, crc_check, 4)) {
+ if (((rest == 5) || (rest == 6)) &&
+ !memcmp(((u8 *) urb->transfer_buffer) +
+ urb->actual_length - 4, crc_check, 4)) {
urb->actual_length -= 4;
}
}
@@ -2982,8 +2982,8 @@ static int hso_probe(struct usb_interface *interface,
case HSO_INTF_BULK:
/* It's a regular bulk interface */
- if (((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK)
- && !disable_net)
+ if (((port_spec & HSO_PORT_MASK) == HSO_PORT_NETWORK) &&
+ !disable_net)
hso_dev = hso_create_net_device(interface, port_spec);
else
hso_dev =
@@ -3146,8 +3146,8 @@ static void hso_free_interface(struct usb_interface *interface)
int i;
for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
- if (serial_table[i]
- && (serial_table[i]->interface == interface)) {
+ if (serial_table[i] &&
+ (serial_table[i]->interface == interface)) {
hso_dev = dev2ser(serial_table[i]);
spin_lock_irq(&hso_dev->serial_lock);
tty = tty_kref_get(hso_dev->tty);
@@ -3163,8 +3163,8 @@ static void hso_free_interface(struct usb_interface *interface)
}
for (i = 0; i < HSO_MAX_NET_DEVICES; i++) {
- if (network_table[i]
- && (network_table[i]->interface == interface)) {
+ if (network_table[i] &&
+ (network_table[i]->interface == interface)) {
struct rfkill *rfk = dev2net(network_table[i])->rfkill;
/* hso_stop_net_device doesn't stop the net queue since
* traffic needs to start it again when suspended */
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index e391ef969c28..3b80e8d2d621 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -471,16 +471,7 @@ static int kaweth_reset(struct kaweth_device *kaweth)
int result;
dbg("kaweth_reset(%p)", kaweth);
- result = kaweth_control(kaweth,
- usb_sndctrlpipe(kaweth->dev, 0),
- USB_REQ_SET_CONFIGURATION,
- 0,
- kaweth->dev->config[0].desc.bConfigurationValue,
- 0,
- NULL,
- 0,
- KAWETH_CONTROL_TIMEOUT);
-
+ result = usb_reset_configuration(kaweth->dev);
mdelay(10);
dbg("kaweth_reset() returns %d.",result);
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index 10873d96b2da..87374317f480 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -391,8 +391,8 @@ static void mcs7830_set_multicast(struct net_device *net)
if (net->flags & IFF_PROMISC) {
data->config |= HIF_REG_CONFIG_PROMISCIOUS;
- } else if (net->flags & IFF_ALLMULTI
- || net->mc_count > MCS7830_MAX_MCAST) {
+ } else if (net->flags & IFF_ALLMULTI ||
+ net->mc_count > MCS7830_MAX_MCAST) {
data->config |= HIF_REG_CONFIG_ALLMULTICAST;
} else if (net->mc_count == 0) {
/* just broadcast and directed */
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index f56dec6119c3..490fa8f55424 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -114,8 +114,8 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen)
*/
/* Issue the request; xid is unique, don't bother byteswapping it */
- if (likely(buf->msg_type != RNDIS_MSG_HALT
- && buf->msg_type != RNDIS_MSG_RESET)) {
+ if (likely(buf->msg_type != RNDIS_MSG_HALT &&
+ buf->msg_type != RNDIS_MSG_RESET)) {
xid = dev->xid++;
if (!xid)
xid = dev->xid++;
@@ -493,9 +493,9 @@ int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
data_len = le32_to_cpu(hdr->data_len);
/* don't choke if we see oob, per-packet data, etc */
- if (unlikely(hdr->msg_type != RNDIS_MSG_PACKET
- || skb->len < msg_len
- || (data_offset + data_len + 8) > msg_len)) {
+ if (unlikely(hdr->msg_type != RNDIS_MSG_PACKET ||
+ skb->len < msg_len ||
+ (data_offset + data_len + 8) > msg_len)) {
dev->net->stats.rx_frame_errors++;
devdbg(dev, "bad rndis message %d/%d/%d/%d, len %d",
le32_to_cpu(hdr->msg_type),
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index ca5ca5ae061d..035fab04c0a0 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -140,8 +140,8 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf)
if (!alt || !in || !out)
return -EINVAL;
- if (alt->desc.bAlternateSetting != 0
- || !(dev->driver_info->flags & FLAG_NO_SETINT)) {
+ if (alt->desc.bAlternateSetting != 0 ||
+ !(dev->driver_info->flags & FLAG_NO_SETINT)) {
tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber,
alt->desc.bAlternateSetting);
if (tmp < 0)
@@ -351,9 +351,10 @@ static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
spin_lock_irqsave (&dev->rxq.lock, lockflags);
- if (netif_running (dev->net)
- && netif_device_present (dev->net)
- && !test_bit (EVENT_RX_HALT, &dev->flags)) {
+ if (netif_running (dev->net) &&
+ netif_device_present (dev->net) &&
+ !test_bit (EVENT_RX_HALT, &dev->flags) &&
+ !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) {
switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
case -EPIPE:
usbnet_defer_kevent (dev, EVENT_RX_HALT);
@@ -391,8 +392,8 @@ static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
static inline void rx_process (struct usbnet *dev, struct sk_buff *skb)
{
- if (dev->driver_info->rx_fixup
- && !dev->driver_info->rx_fixup (dev, skb))
+ if (dev->driver_info->rx_fixup &&
+ !dev->driver_info->rx_fixup (dev, skb))
goto error;
// else network stack removes extra byte if we forced a short packet
@@ -484,8 +485,8 @@ block:
defer_bh(dev, skb, &dev->rxq);
if (urb) {
- if (netif_running (dev->net)
- && !test_bit (EVENT_RX_HALT, &dev->flags)) {
+ if (netif_running (dev->net) &&
+ !test_bit (EVENT_RX_HALT, &dev->flags)) {
rx_submit (dev, urb, GFP_ATOMIC);
return;
}
@@ -611,15 +612,39 @@ EXPORT_SYMBOL_GPL(usbnet_unlink_rx_urbs);
/*-------------------------------------------------------------------------*/
// precondition: never called in_interrupt
+static void usbnet_terminate_urbs(struct usbnet *dev)
+{
+ DECLARE_WAIT_QUEUE_HEAD_ONSTACK(unlink_wakeup);
+ DECLARE_WAITQUEUE(wait, current);
+ int temp;
+
+ /* ensure there are no more active urbs */
+ add_wait_queue(&unlink_wakeup, &wait);
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ dev->wait = &unlink_wakeup;
+ temp = unlink_urbs(dev, &dev->txq) +
+ unlink_urbs(dev, &dev->rxq);
+
+ /* maybe wait for deletions to finish. */
+ while (!skb_queue_empty(&dev->rxq)
+ && !skb_queue_empty(&dev->txq)
+ && !skb_queue_empty(&dev->done)) {
+ schedule_timeout(UNLINK_TIMEOUT_MS);
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ if (netif_msg_ifdown(dev))
+ devdbg(dev, "waited for %d urb completions",
+ temp);
+ }
+ set_current_state(TASK_RUNNING);
+ dev->wait = NULL;
+ remove_wait_queue(&unlink_wakeup, &wait);
+}
int usbnet_stop (struct net_device *net)
{
struct usbnet *dev = netdev_priv(net);
struct driver_info *info = dev->driver_info;
- int temp;
int retval;
- DECLARE_WAIT_QUEUE_HEAD_ONSTACK (unlink_wakeup);
- DECLARE_WAITQUEUE (wait, current);
netif_stop_queue (net);
@@ -641,25 +666,8 @@ int usbnet_stop (struct net_device *net)
info->description);
}
- if (!(info->flags & FLAG_AVOID_UNLINK_URBS)) {
- /* ensure there are no more active urbs */
- add_wait_queue(&unlink_wakeup, &wait);
- dev->wait = &unlink_wakeup;
- temp = unlink_urbs(dev, &dev->txq) +
- unlink_urbs(dev, &dev->rxq);
-
- /* maybe wait for deletions to finish. */
- while (!skb_queue_empty(&dev->rxq)
- && !skb_queue_empty(&dev->txq)
- && !skb_queue_empty(&dev->done)) {
- msleep(UNLINK_TIMEOUT_MS);
- if (netif_msg_ifdown(dev))
- devdbg(dev, "waited for %d urb completions",
- temp);
- }
- dev->wait = NULL;
- remove_wait_queue(&unlink_wakeup, &wait);
- }
+ if (!(info->flags & FLAG_AVOID_UNLINK_URBS))
+ usbnet_terminate_urbs(dev);
usb_kill_urb(dev->interrupt);
@@ -672,7 +680,10 @@ int usbnet_stop (struct net_device *net)
dev->flags = 0;
del_timer_sync (&dev->delay);
tasklet_kill (&dev->bh);
- usb_autopm_put_interface(dev->intf);
+ if (info->manage_power)
+ info->manage_power(dev, 0);
+ else
+ usb_autopm_put_interface(dev->intf);
return 0;
}
@@ -753,6 +764,12 @@ int usbnet_open (struct net_device *net)
// delay posting reads until we're fully open
tasklet_schedule (&dev->bh);
+ if (info->manage_power) {
+ retval = info->manage_power(dev, 1);
+ if (retval < 0)
+ goto done;
+ usb_autopm_put_interface(dev->intf);
+ }
return retval;
done:
usb_autopm_put_interface(dev->intf);
@@ -881,11 +898,16 @@ kevent (struct work_struct *work)
/* usb_clear_halt() needs a thread context */
if (test_bit (EVENT_TX_HALT, &dev->flags)) {
unlink_urbs (dev, &dev->txq);
+ status = usb_autopm_get_interface(dev->intf);
+ if (status < 0)
+ goto fail_pipe;
status = usb_clear_halt (dev->udev, dev->out);
- if (status < 0
- && status != -EPIPE
- && status != -ESHUTDOWN) {
+ usb_autopm_put_interface(dev->intf);
+ if (status < 0 &&
+ status != -EPIPE &&
+ status != -ESHUTDOWN) {
if (netif_msg_tx_err (dev))
+fail_pipe:
deverr (dev, "can't clear tx halt, status %d",
status);
} else {
@@ -896,11 +918,16 @@ kevent (struct work_struct *work)
}
if (test_bit (EVENT_RX_HALT, &dev->flags)) {
unlink_urbs (dev, &dev->rxq);
+ status = usb_autopm_get_interface(dev->intf);
+ if (status < 0)
+ goto fail_halt;
status = usb_clear_halt (dev->udev, dev->in);
- if (status < 0
- && status != -EPIPE
- && status != -ESHUTDOWN) {
+ usb_autopm_put_interface(dev->intf);
+ if (status < 0 &&
+ status != -EPIPE &&
+ status != -ESHUTDOWN) {
if (netif_msg_rx_err (dev))
+fail_halt:
deverr (dev, "can't clear rx halt, status %d",
status);
} else {
@@ -919,7 +946,12 @@ kevent (struct work_struct *work)
clear_bit (EVENT_RX_MEMORY, &dev->flags);
if (urb != NULL) {
clear_bit (EVENT_RX_MEMORY, &dev->flags);
+ status = usb_autopm_get_interface(dev->intf);
+ if (status < 0)
+ goto fail_lowmem;
rx_submit (dev, urb, GFP_KERNEL);
+ usb_autopm_put_interface(dev->intf);
+fail_lowmem:
tasklet_schedule (&dev->bh);
}
}
@@ -929,11 +961,18 @@ kevent (struct work_struct *work)
int retval = 0;
clear_bit (EVENT_LINK_RESET, &dev->flags);
+ status = usb_autopm_get_interface(dev->intf);
+ if (status < 0)
+ goto skip_reset;
if(info->link_reset && (retval = info->link_reset(dev)) < 0) {
+ usb_autopm_put_interface(dev->intf);
+skip_reset:
devinfo(dev, "link reset failed (%d) usbnet usb-%s-%s, %s",
retval,
dev->udev->bus->bus_name, dev->udev->devpath,
info->description);
+ } else {
+ usb_autopm_put_interface(dev->intf);
}
}
@@ -971,6 +1010,7 @@ static void tx_complete (struct urb *urb)
case -EPROTO:
case -ETIME:
case -EILSEQ:
+ usb_mark_last_busy(dev->udev);
if (!timer_pending (&dev->delay)) {
mod_timer (&dev->delay,
jiffies + THROTTLE_JIFFIES);
@@ -987,6 +1027,7 @@ static void tx_complete (struct urb *urb)
}
}
+ usb_autopm_put_interface_async(dev->intf);
urb->dev = NULL;
entry->state = tx_done;
defer_bh(dev, skb, &dev->txq);
@@ -1057,14 +1098,34 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
}
}
- spin_lock_irqsave (&dev->txq.lock, flags);
+ spin_lock_irqsave(&dev->txq.lock, flags);
+ retval = usb_autopm_get_interface_async(dev->intf);
+ if (retval < 0) {
+ spin_unlock_irqrestore(&dev->txq.lock, flags);
+ goto drop;
+ }
+
+#ifdef CONFIG_PM
+ /* if this triggers the device is still a sleep */
+ if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) {
+ /* transmission will be done in resume */
+ usb_anchor_urb(urb, &dev->deferred);
+ /* no use to process more packets */
+ netif_stop_queue(net);
+ spin_unlock_irqrestore(&dev->txq.lock, flags);
+ devdbg(dev, "Delaying transmission for resumption");
+ goto deferred;
+ }
+#endif
switch ((retval = usb_submit_urb (urb, GFP_ATOMIC))) {
case -EPIPE:
netif_stop_queue (net);
usbnet_defer_kevent (dev, EVENT_TX_HALT);
+ usb_autopm_put_interface_async(dev->intf);
break;
default:
+ usb_autopm_put_interface_async(dev->intf);
if (netif_msg_tx_err (dev))
devdbg (dev, "tx: submit urb err %d", retval);
break;
@@ -1088,6 +1149,9 @@ drop:
devdbg (dev, "> tx, len %d, type 0x%x",
length, skb->protocol);
}
+#ifdef CONFIG_PM
+deferred:
+#endif
return NETDEV_TX_OK;
}
EXPORT_SYMBOL_GPL(usbnet_start_xmit);
@@ -1126,10 +1190,10 @@ static void usbnet_bh (unsigned long param)
}
// or are we maybe short a few urbs?
- } else if (netif_running (dev->net)
- && netif_device_present (dev->net)
- && !timer_pending (&dev->delay)
- && !test_bit (EVENT_RX_HALT, &dev->flags)) {
+ } else if (netif_running (dev->net) &&
+ netif_device_present (dev->net) &&
+ !timer_pending (&dev->delay) &&
+ !test_bit (EVENT_RX_HALT, &dev->flags)) {
int temp = dev->rxq.qlen;
int qlen = RX_QLEN (dev);
@@ -1210,6 +1274,14 @@ static const struct net_device_ops usbnet_netdev_ops = {
// precondition: never called in_interrupt
+static struct device_type wlan_type = {
+ .name = "wlan",
+};
+
+static struct device_type wwan_type = {
+ .name = "wwan",
+};
+
int
usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
{
@@ -1255,6 +1327,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
dev->bh.func = usbnet_bh;
dev->bh.data = (unsigned long) dev;
INIT_WORK (&dev->kevent, kevent);
+ init_usb_anchor(&dev->deferred);
dev->delay.function = usbnet_bh;
dev->delay.data = (unsigned long) dev;
init_timer (&dev->delay);
@@ -1289,12 +1362,15 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
// heuristic: "usb%d" for links we know are two-host,
// else "eth%d" when there's reasonable doubt. userspace
// can rename the link if it knows better.
- if ((dev->driver_info->flags & FLAG_ETHER) != 0
- && (net->dev_addr [0] & 0x02) == 0)
+ if ((dev->driver_info->flags & FLAG_ETHER) != 0 &&
+ (net->dev_addr [0] & 0x02) == 0)
strcpy (net->name, "eth%d");
/* WLAN devices should always be named "wlan%d" */
if ((dev->driver_info->flags & FLAG_WLAN) != 0)
strcpy(net->name, "wlan%d");
+ /* WWAN devices should always be named "wwan%d" */
+ if ((dev->driver_info->flags & FLAG_WWAN) != 0)
+ strcpy(net->name, "wwan%d");
/* maybe the remote can't receive an Ethernet MTU */
if (net->mtu > (dev->hard_mtu - net->hard_header_len))
@@ -1322,6 +1398,12 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1);
SET_NETDEV_DEV(net, &udev->dev);
+
+ if ((dev->driver_info->flags & FLAG_WLAN) != 0)
+ SET_NETDEV_DEVTYPE(net, &wlan_type);
+ if ((dev->driver_info->flags & FLAG_WWAN) != 0)
+ SET_NETDEV_DEVTYPE(net, &wwan_type);
+
status = register_netdev (net);
if (status)
goto out3;
@@ -1335,9 +1417,11 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
// ok, it's ready to go.
usb_set_intfdata (udev, dev);
- // start as if the link is up
netif_device_attach (net);
+ if (dev->driver_info->flags & FLAG_LINK_INTR)
+ netif_carrier_off(net);
+
return 0;
out3:
@@ -1363,13 +1447,23 @@ int usbnet_suspend (struct usb_interface *intf, pm_message_t message)
struct usbnet *dev = usb_get_intfdata(intf);
if (!dev->suspend_count++) {
+ spin_lock_irq(&dev->txq.lock);
+ /* don't autosuspend while transmitting */
+ if (dev->txq.qlen && (message.event & PM_EVENT_AUTO)) {
+ spin_unlock_irq(&dev->txq.lock);
+ return -EBUSY;
+ } else {
+ set_bit(EVENT_DEV_ASLEEP, &dev->flags);
+ spin_unlock_irq(&dev->txq.lock);
+ }
/*
* accelerate emptying of the rx and queues, to avoid
* having everything error out.
*/
netif_device_detach (dev->net);
- (void) unlink_urbs (dev, &dev->rxq);
- (void) unlink_urbs (dev, &dev->txq);
+ usbnet_terminate_urbs(dev);
+ usb_kill_urb(dev->interrupt);
+
/*
* reattach so runtime management can use and
* wake the device
@@ -1383,10 +1477,34 @@ EXPORT_SYMBOL_GPL(usbnet_suspend);
int usbnet_resume (struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
+ struct sk_buff *skb;
+ struct urb *res;
+ int retval;
+
+ if (!--dev->suspend_count) {
+ spin_lock_irq(&dev->txq.lock);
+ while ((res = usb_get_from_anchor(&dev->deferred))) {
+
+ printk(KERN_INFO"%s has delayed data\n", __func__);
+ skb = (struct sk_buff *)res->context;
+ retval = usb_submit_urb(res, GFP_ATOMIC);
+ if (retval < 0) {
+ dev_kfree_skb_any(skb);
+ usb_free_urb(res);
+ usb_autopm_put_interface_async(dev->intf);
+ } else {
+ dev->net->trans_start = jiffies;
+ __skb_queue_tail(&dev->txq, skb);
+ }
+ }
- if (!--dev->suspend_count)
+ smp_mb();
+ clear_bit(EVENT_DEV_ASLEEP, &dev->flags);
+ spin_unlock_irq(&dev->txq.lock);
+ if (!(dev->txq.qlen >= TX_QLEN(dev)))
+ netif_start_queue(dev->net);
tasklet_schedule (&dev->bh);
-
+ }
return 0;
}
EXPORT_SYMBOL_GPL(usbnet_resume);
diff --git a/drivers/net/usb/zaurus.c b/drivers/net/usb/zaurus.c
index 04882c8f9bf1..3eb0b167b5b4 100644
--- a/drivers/net/usb/zaurus.c
+++ b/drivers/net/usb/zaurus.c
@@ -174,8 +174,8 @@ static int blan_mdlm_bind(struct usbnet *dev, struct usb_interface *intf)
goto bad_desc;
}
/* expect bcdVersion 1.0, ignore */
- if (memcmp(&desc->bGUID, blan_guid, 16)
- && memcmp(&desc->bGUID, safe_guid, 16) ) {
+ if (memcmp(&desc->bGUID, blan_guid, 16) &&
+ memcmp(&desc->bGUID, safe_guid, 16)) {
/* hey, this one might _really_ be MDLM! */
dev_dbg(&intf->dev, "MDLM guid\n");
goto bad_desc;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.