AcoSail/kernel_optimize_test
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Merge branch 'for-jeff' of git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6

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This commit is contained in:
Jeff Garzik 2006-03-11 13:23:48 -05:00
commit 5ee33b7adc
2 changed files with 34 additions and 24 deletions
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32
drivers/net/sky2.c
View File

@ -74,7 +74,7 @@
#define TX_RING_SIZE 512
#define TX_DEF_PENDING (TX_RING_SIZE - 1)
#define TX_MIN_PENDING 64
#define MAX_SKB_TX_LE (4 + 2*MAX_SKB_FRAGS)
#define MAX_SKB_TX_LE (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS)
#define STATUS_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */
#define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le))
@ -622,8 +622,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
/* Configure Rx MAC FIFO */
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR);
sky2_write16(hw, SK_REG(port, RX_GMF_CTRL_T),
GMF_RX_CTRL_DEF);
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
GMF_OPER_ON | GMF_RX_F_FL_ON);
/* Flush Rx MAC FIFO on any flow control or error */
sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR);
@ -995,6 +995,10 @@ static int sky2_rx_start(struct sky2_port *sky2)
sky2_rx_add(sky2, re->mapaddr);
}
/* Truncate oversize frames */
sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), sky2->rx_bufsize - 8);
sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON);
/* Tell chip about available buffers */
sky2_write16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX), sky2->rx_put);
sky2->rx_last_put = sky2_read16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX));
@ -1145,6 +1149,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
struct sky2_tx_le *le = NULL;
struct tx_ring_info *re;
unsigned i, len;
int avail;
dma_addr_t mapping;
u32 addr64;
u16 mss;
@ -1287,12 +1292,16 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
re->idx = sky2->tx_prod;
le->ctrl |= EOP;
avail = tx_avail(sky2);
if (mss != 0 || avail < TX_MIN_PENDING) {
le->ctrl |= FRC_STAT;
if (avail <= MAX_SKB_TX_LE)
netif_stop_queue(dev);
}
sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod,
&sky2->tx_last_put, TX_RING_SIZE);
if (tx_avail(sky2) <= MAX_SKB_TX_LE)
netif_stop_queue(dev);
out_unlock:
spin_unlock(&sky2->tx_lock);
@ -1707,10 +1716,12 @@ static void sky2_tx_timeout(struct net_device *dev)
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
/* Want receive buffer size to be multiple of 64 bits, and incl room for vlan */
/* Want receive buffer size to be multiple of 64 bits
* and incl room for vlan and truncation
*/
static inline unsigned sky2_buf_size(int mtu)
{
return roundup(mtu + ETH_HLEN + 4, 8);
return roundup(mtu + ETH_HLEN + VLAN_HLEN, 8) + 8;
}
static int sky2_change_mtu(struct net_device *dev, int new_mtu)
@ -1793,7 +1804,7 @@ static struct sk_buff *sky2_receive(struct sky2_port *sky2,
if (!(status & GMR_FS_RX_OK))
goto resubmit;
if ((status >> 16) != length || length > sky2->rx_bufsize)
if (length > sky2->netdev->mtu + ETH_HLEN)
goto oversize;
if (length < copybreak) {
@ -3243,8 +3254,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
}
}
err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ | SA_SAMPLE_RANDOM,
DRV_NAME, hw);
err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ, DRV_NAME, hw);
if (err) {
printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
pci_name(pdev), pdev->irq);

26
drivers/net/tulip/de2104x.c
View File

@ -1362,7 +1362,6 @@ static int de_open (struct net_device *dev)
{
struct de_private *de = dev->priv;
int rc;
unsigned long flags;
if (netif_msg_ifup(de))
printk(KERN_DEBUG "%s: enabling interface\n", dev->name);
@ -1376,18 +1375,20 @@ static int de_open (struct net_device *dev)
return rc;
}
rc = de_init_hw(de);
if (rc) {
printk(KERN_ERR "%s: h/w init failure, err=%d\n",
dev->name, rc);
goto err_out_free;
}
dw32(IntrMask, 0);
rc = request_irq(dev->irq, de_interrupt, SA_SHIRQ, dev->name, dev);
if (rc) {
printk(KERN_ERR "%s: IRQ %d request failure, err=%d\n",
dev->name, dev->irq, rc);
goto err_out_hw;
goto err_out_free;
}
rc = de_init_hw(de);
if (rc) {
printk(KERN_ERR "%s: h/w init failure, err=%d\n",
dev->name, rc);
goto err_out_free_irq;
}
netif_start_queue(dev);
@ -1395,11 +1396,8 @@ static int de_open (struct net_device *dev)
return 0;
err_out_hw:
spin_lock_irqsave(&de->lock, flags);
de_stop_hw(de);
spin_unlock_irqrestore(&de->lock, flags);
err_out_free_irq:
free_irq(dev->irq, dev);
err_out_free:
de_free_rings(de);
return rc;
@ -1455,6 +1453,8 @@ static void de_tx_timeout (struct net_device *dev)
synchronize_irq(dev->irq);
de_clean_rings(de);
de_init_rings(de);
de_init_hw(de);
netif_wake_queue(dev);