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Commit ec497b32 authored by Peter Meerwald's avatar Peter Meerwald Committed by David S. Miller
Browse files

netdev: bfin_mac: handler RX status errors 



Signed-off-by: default avatarPeter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: default avatarGraf Yang <graf.yang@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fe92afed

drivers/net/bfin_mac.c

+14 −3
Original line number Original line Diff line number Diff line
@@ -980,12 +980,25 @@ static int bfin_mac_hard_start_xmit(struct sk_buff *skb, 
	return NETDEV_TX_OK;

	return NETDEV_TX_OK;

}

}





#define RX_ERROR_MASK (RX_LONG | RX_ALIGN | RX_CRC | RX_LEN | \

	RX_FRAG | RX_ADDR | RX_DMAO | RX_PHY | RX_LATE | RX_RANGE)



static void bfin_mac_rx(struct net_device *dev)

static void bfin_mac_rx(struct net_device *dev)

{

{

	struct sk_buff *skb, *new_skb;

	struct sk_buff *skb, *new_skb;

	unsigned short len;

	unsigned short len;

	struct bfin_mac_local *lp __maybe_unused = netdev_priv(dev);

	struct bfin_mac_local *lp __maybe_unused = netdev_priv(dev);





	/* check if frame status word reports an error condition

	 * we which case we simply drop the packet

	 */

	if (current_rx_ptr->status.status_word & RX_ERROR_MASK) {

		printk(KERN_NOTICE DRV_NAME

		       ": rx: receive error - packet dropped\n");

		dev->stats.rx_dropped++;

		goto out;

	}



	/* allocate a new skb for next time receive */

	/* allocate a new skb for next time receive */

	skb = current_rx_ptr->skb;

	skb = current_rx_ptr->skb;
@@ -1024,11 +1037,9 @@ static void bfin_mac_rx(struct net_device *dev) 
	netif_rx(skb);

	netif_rx(skb);

	dev->stats.rx_packets++;

	dev->stats.rx_packets++;

	dev->stats.rx_bytes += len;

	dev->stats.rx_bytes += len;

out:

	current_rx_ptr->status.status_word = 0x00000000;

	current_rx_ptr->status.status_word = 0x00000000;

	current_rx_ptr = current_rx_ptr->next;

	current_rx_ptr = current_rx_ptr->next;



out:

	return;

}

}





/* interrupt routine to handle rx and error signal */

/* interrupt routine to handle rx and error signal */