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authorhayeswang <hayeswang@realtek.com>2017-01-26 09:38:33 +0800
committerDavid S. Miller <davem@davemloft.net>2017-01-25 22:47:30 -0500
commit248b213ad908b88db15941202ef7cb7eb137c1a0 (patch)
tree603bb08737e6cff5ab0d694cf904d539d58925c9 /drivers/net/usb
parentde9bf29dd6e4a8a874cb92f8901aed50a9d0b1d3 (diff)
downloadlinux-248b213ad908b88db15941202ef7cb7eb137c1a0.tar.bz2
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 'drivers/net/usb')
-rw-r--r--drivers/net/usb/r8152.c3
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;