evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

netdev: bfin_mac: handler RX status errors

Browse source 
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peter Meerwald 2010-05-17 17:20:50 -07:00 • committed by David S. Miller
parent fe92afedee
commit ec497b32c3
1 changed files with 14 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
drivers/net/bfin_mac.c
View file

@ -980,12 +980,25 @@ out:
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 */