diff options
| author | hayeswang <hayeswang@realtek.com> | 2017-01-26 02:38:33 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-26 04:47:30 +0100 |
| commit | 248b213ad908b88db15941202ef7cb7eb137c1a0 (patch) | |
| tree | 603bb08737e6cff5ab0d694cf904d539d58925c9 /drivers/net/usb/r8152.c | |
| parent | r8152: avoid start_xmit to schedule napi when napi is disabled (diff) | |
| download | linux-248b213ad908b88db15941202ef7cb7eb137c1a0.tar.xz linux-248b213ad908b88db15941202ef7cb7eb137c1a0.zip | |
r8152: re-schedule napi for tx
Re-schedule napi after napi_complete() for tx, if it is necessay.
In r8152_poll(), if the tx is completed after tx_bottom() and before
napi_complete(), the scheduling of napi would be lost. Then, no
one handles the next tx until the next napi_schedule() is called.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/usb/r8152.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index ec882be4cfaf..4785d2b9d80f 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1936,6 +1936,9 @@ static int r8152_poll(struct napi_struct *napi, int budget) napi_complete(napi); if (!list_empty(&tp->rx_done)) napi_schedule(napi); + else if (!skb_queue_empty(&tp->tx_queue) && + !list_empty(&tp->tx_free)) + napi_schedule(napi); } return work_done; |