=================================================================== From 2d8895022a0668f6a3c1112f15ebe471db1a471e Mon Sep 17 00:00:00 2001 From: Matteo Fortini Date: Thu, 8 Nov 2012 16:12:10 +0100 Subject: [PATCH] AT91 macb: Fix lost rx packets on high rx traffic --- drivers/net/ethernet/cadence/macb.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 033064b..348a20f 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -522,8 +522,16 @@ static int macb_poll(struct napi_struct *napi, int budget) work_done = macb_rx(bp, budget); if (work_done < budget) { + u32 addr; + napi_complete(napi); + addr = bp->rx_ring[bp->rx_tail].addr; + + if ((addr & MACB_BIT(RX_USED))) { + netdev_warn(bp->dev, "poll: reschedule"); + napi_reschedule(napi); + } /* * We've done what we can to clean the buffers. Make