diff options
Diffstat (limited to 'drivers/net/korina.c')
| -rw-r--r-- | drivers/net/korina.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/korina.c b/drivers/net/korina.c index 1d6e48e1336..75010cac76a 100644 --- a/drivers/net/korina.c +++ b/drivers/net/korina.c @@ -416,6 +416,9 @@ static int korina_rx(struct net_device *dev, int limit) if (devcs & ETH_RX_MP) dev->stats.multicast++; + /* 16 bit align */ + skb_reserve(skb_new, 2); + lp->rx_skb[lp->rx_next_done] = skb_new; } @@ -740,6 +743,7 @@ static struct ethtool_ops netdev_ethtool_ops = { static void korina_alloc_ring(struct net_device *dev) { struct korina_private *lp = netdev_priv(dev); + struct sk_buff *skb; int i; /* Initialize the transmit descriptors */ @@ -755,8 +759,6 @@ static void korina_alloc_ring(struct net_device *dev) /* Initialize the receive descriptors */ for (i = 0; i < KORINA_NUM_RDS; i++) { - struct sk_buff *skb = lp->rx_skb[i]; - skb = dev_alloc_skb(KORINA_RBSIZE + 2); if (!skb) break; @@ -769,11 +771,12 @@ static void korina_alloc_ring(struct net_device *dev) lp->rd_ring[i].link = CPHYSADDR(&lp->rd_ring[i+1]); } - /* loop back */ - lp->rd_ring[i].link = CPHYSADDR(&lp->rd_ring[0]); - lp->rx_next_done = 0; + /* loop back receive descriptors, so the last + * descriptor points to the first one */ + lp->rd_ring[i - 1].link = CPHYSADDR(&lp->rd_ring[0]); + lp->rd_ring[i - 1].control |= DMA_DESC_COD; - lp->rd_ring[i].control |= DMA_DESC_COD; + lp->rx_next_done = 0; lp->rx_chain_head = 0; lp->rx_chain_tail = 0; lp->rx_chain_status = desc_empty; |