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authorPaul Mackerras <paulus@samba.org>2007-12-09 23:41:22 -0500
committerPaul Mackerras <paulus@samba.org>2007-12-09 23:41:22 -0500
commitb242a60206881559bb3102110048762422e6b74e (patch)
tree86459efa47b9c3f69d865b4495beede9c4184003 /drivers/net/smc911x.c
parente1fd18656c2963e383d67b7006c0e06c9c1d9c79 (diff)
parent94545baded0bfbabdc30a3a4cb48b3db479dd6ef (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/net/smc911x.c')
-rw-r--r--drivers/net/smc911x.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index dd18af0ce676..76cc1d3adf71 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -428,7 +428,6 @@ static inline void smc911x_drop_pkt(struct net_device *dev)
428 */ 428 */
429static inline void smc911x_rcv(struct net_device *dev) 429static inline void smc911x_rcv(struct net_device *dev)
430{ 430{
431 struct smc911x_local *lp = netdev_priv(dev);
432 unsigned long ioaddr = dev->base_addr; 431 unsigned long ioaddr = dev->base_addr;
433 unsigned int pkt_len, status; 432 unsigned int pkt_len, status;
434 struct sk_buff *skb; 433 struct sk_buff *skb;
@@ -473,6 +472,7 @@ static inline void smc911x_rcv(struct net_device *dev)
473 skb_put(skb,pkt_len-4); 472 skb_put(skb,pkt_len-4);
474#ifdef SMC_USE_DMA 473#ifdef SMC_USE_DMA
475 { 474 {
475 struct smc911x_local *lp = netdev_priv(dev);
476 unsigned int fifo; 476 unsigned int fifo;
477 /* Lower the FIFO threshold if possible */ 477 /* Lower the FIFO threshold if possible */
478 fifo = SMC_GET_FIFO_INT(); 478 fifo = SMC_GET_FIFO_INT();
@@ -1299,9 +1299,9 @@ smc911x_rx_dma_irq(int dma, void *data)
1299 PRINT_PKT(skb->data, skb->len); 1299 PRINT_PKT(skb->data, skb->len);
1300 dev->last_rx = jiffies; 1300 dev->last_rx = jiffies;
1301 skb->protocol = eth_type_trans(skb, dev); 1301 skb->protocol = eth_type_trans(skb, dev);
1302 netif_rx(skb);
1303 dev->stats.rx_packets++; 1302 dev->stats.rx_packets++;
1304 dev->stats.rx_bytes += skb->len; 1303 dev->stats.rx_bytes += skb->len;
1304 netif_rx(skb);
1305 1305
1306 spin_lock_irqsave(&lp->lock, flags); 1306 spin_lock_irqsave(&lp->lock, flags);
1307 pkts = (SMC_GET_RX_FIFO_INF() & RX_FIFO_INF_RXSUSED_) >> 16; 1307 pkts = (SMC_GET_RX_FIFO_INF() & RX_FIFO_INF_RXSUSED_) >> 16;
@@ -1379,13 +1379,6 @@ static void smc911x_set_multicast_list(struct net_device *dev)
1379 unsigned int multicast_table[2]; 1379 unsigned int multicast_table[2];
1380 unsigned int mcr, update_multicast = 0; 1380 unsigned int mcr, update_multicast = 0;
1381 unsigned long flags; 1381 unsigned long flags;
1382 /* table for flipping the order of 5 bits */
1383 static const unsigned char invert5[] =
1384 {0x00, 0x10, 0x08, 0x18, 0x04, 0x14, 0x0C, 0x1C,
1385 0x02, 0x12, 0x0A, 0x1A, 0x06, 0x16, 0x0E, 0x1E,
1386 0x01, 0x11, 0x09, 0x19, 0x05, 0x15, 0x0D, 0x1D,
1387 0x03, 0x13, 0x0B, 0x1B, 0x07, 0x17, 0x0F, 0x1F};
1388
1389 1382
1390 DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); 1383 DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
1391 1384
@@ -1432,7 +1425,7 @@ static void smc911x_set_multicast_list(struct net_device *dev)
1432 1425
1433 cur_addr = dev->mc_list; 1426 cur_addr = dev->mc_list;
1434 for (i = 0; i < dev->mc_count; i++, cur_addr = cur_addr->next) { 1427 for (i = 0; i < dev->mc_count; i++, cur_addr = cur_addr->next) {
1435 int position; 1428 u32 position;
1436 1429
1437 /* do we have a pointer here? */ 1430 /* do we have a pointer here? */
1438 if (!cur_addr) 1431 if (!cur_addr)
@@ -1442,12 +1435,10 @@ static void smc911x_set_multicast_list(struct net_device *dev)
1442 if (!(*cur_addr->dmi_addr & 1)) 1435 if (!(*cur_addr->dmi_addr & 1))
1443 continue; 1436 continue;
1444 1437
1445 /* only use the low order bits */ 1438 /* upper 6 bits are used as hash index */
1446 position = crc32_le(~0, cur_addr->dmi_addr, 6) & 0x3f; 1439 position = ether_crc(ETH_ALEN, cur_addr->dmi_addr)>>26;
1447 1440
1448 /* do some messy swapping to put the bit in the right spot */ 1441 multicast_table[position>>5] |= 1 << (position&0x1f);
1449 multicast_table[invert5[position&0x1F]&0x1] |=
1450 (1<<invert5[(position>>1)&0x1F]);
1451 } 1442 }
1452 1443
1453 /* be sure I get rid of flags I might have set */ 1444 /* be sure I get rid of flags I might have set */