diff options
Diffstat (limited to 'drivers/net/ethernet/cadence/macb.c')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 665c29098e3c..61aa570aad9a 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -707,6 +707,9 @@ static void gem_rx_refill(struct macb *bp) /* properly align Ethernet header */ skb_reserve(skb, NET_IP_ALIGN); + } else { + bp->rx_ring[entry].addr &= ~MACB_BIT(RX_USED); + bp->rx_ring[entry].ctrl = 0; } } @@ -978,7 +981,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) struct macb_queue *queue = dev_id; struct macb *bp = queue->bp; struct net_device *dev = bp->dev; - u32 status; + u32 status, ctrl; status = queue_readl(queue, ISR); @@ -1034,6 +1037,15 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id) * add that if/when we get our hands on a full-blown MII PHY. */ + if (status & MACB_BIT(RXUBR)) { + ctrl = macb_readl(bp, NCR); + macb_writel(bp, NCR, ctrl & ~MACB_BIT(RE)); + macb_writel(bp, NCR, ctrl | MACB_BIT(RE)); + + if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE) + macb_writel(bp, ISR, MACB_BIT(RXUBR)); + } + if (status & MACB_BIT(ISR_ROVR)) { /* We missed at least one packet */ if (macb_is_gem(bp)) |