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r8152: re-schedule napi for tx

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[ 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>
This commit is contained in:
hayeswang 2017-01-26 09:38:33 +08:00 committed by Greg Kroah-Hartman
parent 4242f0bce4
commit 9507910ca4
1 changed files with 3 additions and 0 deletions
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3
drivers/net/usb/r8152.c
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@ -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;