Commit 7df9c43f authored May 04, 2010 by Sebastian Andrzej Siewior Committed by David S. Miller May 05, 2010

net/gianfar: drop recycled skbs on MTU change



The size for skbs which is added to the recycled list is using the
current descriptor size which is current MTU. gfar_new_skb() is also
using this size. So after changing or alteast increasing the MTU all
recycled skbs should be dropped.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 7cff0943

drivers/net/gianfar.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1649,6 +1649,7 @@ static void free_skb_resources(struct gfar_private *priv)
		sizeof(struct rxbd8) * priv->total_rx_ring_size,
		priv->tx_queue[0]->tx_bd_base,
		priv->tx_queue[0]->tx_bd_dma_base);
		skb_queue_purge(&priv->rx_recycle);
		}

		void gfar_start(struct net_device *dev)
		@@ -2088,7 +2089,6 @@ static int gfar_close(struct net_device *dev)

		disable_napi(priv);

		skb_queue_purge(&priv->rx_recycle);
		cancel_work_sync(&priv->reset_task);
		stop_gfar(dev);

Admin message