diff options
| author | Lennert Buytenhek <buytenh@marvell.com> | 2008-11-20 03:58:46 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-20 03:58:46 -0800 |
| commit | f61e5547763338b793ed291f3de3130216d00430 (patch) | |
| tree | a797f1b73ad2f6a596be7cef845c67cb086a2e5b /drivers/net/mv643xx_eth.c | |
| parent | 66e63ffbc04706568d8789cbb00eaa8ddbcae648 (diff) | |
| download | op-kernel-dev-f61e5547763338b793ed291f3de3130216d00430.zip op-kernel-dev-f61e5547763338b793ed291f3de3130216d00430.tar.gz | |
mv643xx_eth: move receive error handling out of line
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mv643xx_eth.c')
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 9f3ee7d..d56724a 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -543,35 +543,38 @@ static int rxq_process(struct rx_queue *rxq, int budget) * on, or the error summary bit is set, the packet needs * to be dropped. */ - if (((cmd_sts & (RX_FIRST_DESC | RX_LAST_DESC)) != - (RX_FIRST_DESC | RX_LAST_DESC)) - || (cmd_sts & ERROR_SUMMARY)) { - stats->rx_dropped++; - - if ((cmd_sts & (RX_FIRST_DESC | RX_LAST_DESC)) != - (RX_FIRST_DESC | RX_LAST_DESC)) { - if (net_ratelimit()) - dev_printk(KERN_ERR, &mp->dev->dev, - "received packet spanning " - "multiple descriptors\n"); - } + if ((cmd_sts & (RX_FIRST_DESC | RX_LAST_DESC | ERROR_SUMMARY)) + != (RX_FIRST_DESC | RX_LAST_DESC)) + goto err; - if (cmd_sts & ERROR_SUMMARY) - stats->rx_errors++; + /* + * The -4 is for the CRC in the trailer of the + * received packet + */ + skb_put(skb, byte_cnt - 2 - 4); - dev_kfree_skb(skb); - } else { - /* - * The -4 is for the CRC in the trailer of the - * received packet - */ - skb_put(skb, byte_cnt - 2 - 4); - - if (cmd_sts & LAYER_4_CHECKSUM_OK) - skb->ip_summed = CHECKSUM_UNNECESSARY; - skb->protocol = eth_type_trans(skb, mp->dev); - netif_receive_skb(skb); + if (cmd_sts & LAYER_4_CHECKSUM_OK) + skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->protocol = eth_type_trans(skb, mp->dev); + netif_receive_skb(skb); + + continue; + +err: + stats->rx_dropped++; + + if ((cmd_sts & (RX_FIRST_DESC | RX_LAST_DESC)) != + (RX_FIRST_DESC | RX_LAST_DESC)) { + if (net_ratelimit()) + dev_printk(KERN_ERR, &mp->dev->dev, + "received packet spanning " + "multiple descriptors\n"); } + + if (cmd_sts & ERROR_SUMMARY) + stats->rx_errors++; + + dev_kfree_skb(skb); } if (rx < budget) |
