diff options
Diffstat (limited to 'drivers/net/usb/usbnet.c')
| -rw-r--r-- | drivers/net/usb/usbnet.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 5173821a9575..3a6770a65d78 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -69,8 +69,9 @@ // reawaken network queue this soon after stopping; else watchdog barks #define TX_TIMEOUT_JIFFIES (5*HZ) -// throttle rx/tx briefly after some faults, so khubd might disconnect() -// us (it polls at HZ/4 usually) before we report too many false errors. +/* throttle rx/tx briefly after some faults, so hub_wq might disconnect() + * us (it polls at HZ/4 usually) before we report too many false errors. + */ #define THROTTLE_JIFFIES (HZ/8) // between wakeups @@ -595,9 +596,9 @@ static void rx_complete (struct urb *urb) "rx shutdown, code %d\n", urb_status); goto block; - /* we get controller i/o faults during khubd disconnect() delays. + /* we get controller i/o faults during hub_wq disconnect() delays. * throttle down resubmits, to avoid log floods; just temporarily, - * so we still recover when the fault isn't a khubd delay. + * so we still recover when the fault isn't a hub_wq delay. */ case -EPROTO: case -ETIME: @@ -1051,6 +1052,21 @@ static void __handle_link_change(struct usbnet *dev) clear_bit(EVENT_LINK_CHANGE, &dev->flags); } +static void usbnet_set_rx_mode(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + + usbnet_defer_kevent(dev, EVENT_SET_RX_MODE); +} + +static void __handle_set_rx_mode(struct usbnet *dev) +{ + if (dev->driver_info->set_rx_mode) + (dev->driver_info->set_rx_mode)(dev); + + clear_bit(EVENT_SET_RX_MODE, &dev->flags); +} + /* work that cannot be done in interrupt context uses keventd. * * NOTE: with 2.5 we could do more of this using completion callbacks, @@ -1156,6 +1172,10 @@ skip_reset: if (test_bit (EVENT_LINK_CHANGE, &dev->flags)) __handle_link_change(dev); + if (test_bit (EVENT_SET_RX_MODE, &dev->flags)) + __handle_set_rx_mode(dev); + + if (dev->flags) netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags); } @@ -1185,8 +1205,9 @@ static void tx_complete (struct urb *urb) case -ESHUTDOWN: // hardware gone break; - // like rx, tx gets controller i/o faults during khubd delays - // and so it uses the same throttling mechanism. + /* like rx, tx gets controller i/o faults during hub_wq + * delays and so it uses the same throttling mechanism. + */ case -EPROTO: case -ETIME: case -EILSEQ: @@ -1523,6 +1544,7 @@ static const struct net_device_ops usbnet_netdev_ops = { .ndo_stop = usbnet_stop, .ndo_start_xmit = usbnet_start_xmit, .ndo_tx_timeout = usbnet_tx_timeout, + .ndo_set_rx_mode = usbnet_set_rx_mode, .ndo_change_mtu = usbnet_change_mtu, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, |