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authorDavid S. Miller <davem@davemloft.net>2012-04-15 13:19:04 -0400
committerDavid S. Miller <davem@davemloft.net>2012-04-15 13:19:04 -0400
commit56845d78cee8576a8160cee8aeac62efdb561ae2 (patch)
treef891afed5324d359da1713a80a7131968373acc4 /drivers/net/ethernet/smsc/smsc911x.c
parentdf8ef8f3aaa6692970a436204c4429210addb23a (diff)
parent8a9a0ea6032186e3030419262678d652b88bf6a8 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/atheros/atlx/atl1.c drivers/net/ethernet/atheros/atlx/atl1.h Resolved a conflict between a DMA error bug fix and NAPI support changes in the atl1 driver. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/smsc/smsc911x.c')
-rw-r--r--drivers/net/ethernet/smsc/smsc911x.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index 519ed8ef54e0..480fd0822e4a 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1166,10 +1166,8 @@ smsc911x_rx_counterrors(struct net_device *dev, unsigned int rxstat)
1166 1166
1167/* Quickly dumps bad packets */ 1167/* Quickly dumps bad packets */
1168static void 1168static void
1169smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes) 1169smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktwords)
1170{ 1170{
1171 unsigned int pktwords = (pktbytes + NET_IP_ALIGN + 3) >> 2;
1172
1173 if (likely(pktwords >= 4)) { 1171 if (likely(pktwords >= 4)) {
1174 unsigned int timeout = 500; 1172 unsigned int timeout = 500;
1175 unsigned int val; 1173 unsigned int val;
@@ -1233,7 +1231,7 @@ static int smsc911x_poll(struct napi_struct *napi, int budget)
1233 continue; 1231 continue;
1234 } 1232 }
1235 1233
1236 skb = netdev_alloc_skb(dev, pktlength + NET_IP_ALIGN); 1234 skb = netdev_alloc_skb(dev, pktwords << 2);
1237 if (unlikely(!skb)) { 1235 if (unlikely(!skb)) {
1238 SMSC_WARN(pdata, rx_err, 1236 SMSC_WARN(pdata, rx_err,
1239 "Unable to allocate skb for rx packet"); 1237 "Unable to allocate skb for rx packet");
@@ -1243,14 +1241,12 @@ static int smsc911x_poll(struct napi_struct *napi, int budget)
1243 break; 1241 break;
1244 } 1242 }
1245 1243
1246 skb->data = skb->head; 1244 pdata->ops->rx_readfifo(pdata,
1247 skb_reset_tail_pointer(skb); 1245 (unsigned int *)skb->data, pktwords);
1248 1246
1249 /* Align IP on 16B boundary */ 1247 /* Align IP on 16B boundary */
1250 skb_reserve(skb, NET_IP_ALIGN); 1248 skb_reserve(skb, NET_IP_ALIGN);
1251 skb_put(skb, pktlength - 4); 1249 skb_put(skb, pktlength - 4);
1252 pdata->ops->rx_readfifo(pdata,
1253 (unsigned int *)skb->head, pktwords);
1254 skb->protocol = eth_type_trans(skb, dev); 1250 skb->protocol = eth_type_trans(skb, dev);
1255 skb_checksum_none_assert(skb); 1251 skb_checksum_none_assert(skb);
1256 netif_receive_skb(skb); 1252 netif_receive_skb(skb);
@@ -1565,7 +1561,7 @@ static int smsc911x_open(struct net_device *dev)
1565 smsc911x_reg_write(pdata, FIFO_INT, temp); 1561 smsc911x_reg_write(pdata, FIFO_INT, temp);
1566 1562
1567 /* set RX Data offset to 2 bytes for alignment */ 1563 /* set RX Data offset to 2 bytes for alignment */
1568 smsc911x_reg_write(pdata, RX_CFG, (2 << 8)); 1564 smsc911x_reg_write(pdata, RX_CFG, (NET_IP_ALIGN << 8));
1569 1565
1570 /* enable NAPI polling before enabling RX interrupts */ 1566 /* enable NAPI polling before enabling RX interrupts */
1571 napi_enable(&pdata->napi); 1567 napi_enable(&pdata->napi);