diff options
Diffstat (limited to 'drivers/net/usb')
-rw-r--r-- | drivers/net/usb/asix.c | 24 | ||||
-rw-r--r-- | drivers/net/usb/catc.c | 4 | ||||
-rw-r--r-- | drivers/net/usb/cdc-phonet.c | 8 | ||||
-rw-r--r-- | drivers/net/usb/cdc_eem.c | 4 | ||||
-rw-r--r-- | drivers/net/usb/cdc_ether.c | 79 | ||||
-rw-r--r-- | drivers/net/usb/dm9601.c | 2 | ||||
-rw-r--r-- | drivers/net/usb/hso.c | 34 | ||||
-rw-r--r-- | drivers/net/usb/kaweth.c | 11 | ||||
-rw-r--r-- | drivers/net/usb/mcs7830.c | 4 | ||||
-rw-r--r-- | drivers/net/usb/rndis_host.c | 10 | ||||
-rw-r--r-- | drivers/net/usb/usbnet.c | 218 | ||||
-rw-r--r-- | drivers/net/usb/zaurus.c | 4 |
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; |