diff options
Diffstat (limited to 'drivers/net/can/dev/rx-offload.c')
| -rw-r--r-- | drivers/net/can/dev/rx-offload.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/can/dev/rx-offload.c b/drivers/net/can/dev/rx-offload.c index 82ade3aa5c13..37b0cc65237b 100644 --- a/drivers/net/can/dev/rx-offload.c +++ b/drivers/net/can/dev/rx-offload.c @@ -299,6 +299,29 @@ void can_rx_offload_irq_finish(struct can_rx_offload *offload) } EXPORT_SYMBOL_GPL(can_rx_offload_irq_finish); +void can_rx_offload_threaded_irq_finish(struct can_rx_offload *offload) +{ + unsigned long flags; + int queue_len; + + if (skb_queue_empty_lockless(&offload->skb_irq_queue)) + return; + + spin_lock_irqsave(&offload->skb_queue.lock, flags); + skb_queue_splice_tail_init(&offload->skb_irq_queue, &offload->skb_queue); + spin_unlock_irqrestore(&offload->skb_queue.lock, flags); + + queue_len = skb_queue_len(&offload->skb_queue); + if (queue_len > offload->skb_queue_len_max / 8) + netdev_dbg(offload->dev, "%s: queue_len=%d\n", + __func__, queue_len); + + local_bh_disable(); + napi_schedule(&offload->napi); + local_bh_enable(); +} +EXPORT_SYMBOL_GPL(can_rx_offload_threaded_irq_finish); + static int can_rx_offload_init_queue(struct net_device *dev, struct can_rx_offload *offload, unsigned int weight) |