diff options
| author | hayeswang <hayeswang@realtek.com> | 2017-01-26 01:38:33 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-17 04:41:55 (GMT) |
| commit | 9507910ca46d5b549198a6bf1787e3db5b3a651b (patch) | |
| tree | 3a6b036267439b514d8e1a7ac16b7cb554d6fb0b /drivers | |
| parent | 4242f0bce47e744d28b3c98c34f5c792fefb62ef (diff) | |
| download | linux-9507910ca46d5b549198a6bf1787e3db5b3a651b.tar.xz | |
r8152: re-schedule napi for tx
[ Upstream commit 248b213ad908b88db15941202ef7cb7eb137c1a0 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -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 32f1a4c..8b8343b 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; |