[PATCH net-next] r8169: handle tx before rx in napi poll
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: 2021-02-11 20:21:48
Subsystem:
8169 10/100/1000 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Cleaning up tx descriptors first increases the chance that rtl_rx() can allocate new skb's from the cache. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- drivers/net/ethernet/realtek/r8169_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index de439db75..44a438bad 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c@@ -4588,10 +4588,10 @@ static int rtl8169_poll(struct napi_struct *napi, int budget) struct net_device *dev = tp->dev; int work_done; - work_done = rtl_rx(dev, tp, budget); - rtl_tx(dev, tp, budget); + work_done = rtl_rx(dev, tp, budget); + if (work_done < budget && napi_complete_done(napi, work_done)) rtl_irq_enable(tp);
--
2.30.1