diff options
Diffstat (limited to 'drivers/net/bfin_mac.c')
| -rw-r--r-- | drivers/net/bfin_mac.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index a173d8a40484..16f2a37c733d 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -980,12 +980,25 @@ out: 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) { struct sk_buff *skb, *new_skb; unsigned short len; 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 */ skb = current_rx_ptr->skb; @@ -1024,11 +1037,9 @@ static void bfin_mac_rx(struct net_device *dev) netif_rx(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += len; +out: current_rx_ptr->status.status_word = 0x00000000; current_rx_ptr = current_rx_ptr->next; - -out: - return; } /* interrupt routine to handle rx and error signal */ |