Commit 5ee33b7a authored by Jeff Garzik's avatar Jeff Garzik
parents ed621785 70f1be48
...@@ -74,7 +74,7 @@ ...@@ -74,7 +74,7 @@
#define TX_RING_SIZE 512 #define TX_RING_SIZE 512
#define TX_DEF_PENDING (TX_RING_SIZE - 1) #define TX_DEF_PENDING (TX_RING_SIZE - 1)
#define TX_MIN_PENDING 64 #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_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */
#define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le)) #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) ...@@ -622,8 +622,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
/* Configure Rx MAC FIFO */ /* Configure Rx MAC FIFO */
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR); sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR);
sky2_write16(hw, SK_REG(port, RX_GMF_CTRL_T), sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T),
GMF_RX_CTRL_DEF); GMF_OPER_ON | GMF_RX_F_FL_ON);
/* Flush Rx MAC FIFO on any flow control or error */ /* Flush Rx MAC FIFO on any flow control or error */
sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); 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) ...@@ -995,6 +995,10 @@ static int sky2_rx_start(struct sky2_port *sky2)
sky2_rx_add(sky2, re->mapaddr); 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 */ /* Tell chip about available buffers */
sky2_write16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX), sky2->rx_put); 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)); 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) ...@@ -1145,6 +1149,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
struct sky2_tx_le *le = NULL; struct sky2_tx_le *le = NULL;
struct tx_ring_info *re; struct tx_ring_info *re;
unsigned i, len; unsigned i, len;
int avail;
dma_addr_t mapping; dma_addr_t mapping;
u32 addr64; u32 addr64;
u16 mss; u16 mss;
...@@ -1287,12 +1292,16 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) ...@@ -1287,12 +1292,16 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
re->idx = sky2->tx_prod; re->idx = sky2->tx_prod;
le->ctrl |= EOP; 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_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod,
&sky2->tx_last_put, TX_RING_SIZE); &sky2->tx_last_put, TX_RING_SIZE);
if (tx_avail(sky2) <= MAX_SKB_TX_LE)
netif_stop_queue(dev);
out_unlock: out_unlock:
spin_unlock(&sky2->tx_lock); spin_unlock(&sky2->tx_lock);
...@@ -1707,10 +1716,12 @@ static void sky2_tx_timeout(struct net_device *dev) ...@@ -1707,10 +1716,12 @@ static void sky2_tx_timeout(struct net_device *dev)
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) #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) 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) 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, ...@@ -1793,7 +1804,7 @@ static struct sk_buff *sky2_receive(struct sky2_port *sky2,
if (!(status & GMR_FS_RX_OK)) if (!(status & GMR_FS_RX_OK))
goto resubmit; goto resubmit;
if ((status >> 16) != length || length > sky2->rx_bufsize) if (length > sky2->netdev->mtu + ETH_HLEN)
goto oversize; goto oversize;
if (length < copybreak) { if (length < copybreak) {
...@@ -3243,8 +3254,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev, ...@@ -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, err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ, DRV_NAME, hw);
DRV_NAME, hw);
if (err) { if (err) {
printk(KERN_ERR PFX "%s: cannot assign irq %d\n", printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
pci_name(pdev), pdev->irq); pci_name(pdev), pdev->irq);
......
...@@ -1362,7 +1362,6 @@ static int de_open (struct net_device *dev) ...@@ -1362,7 +1362,6 @@ static int de_open (struct net_device *dev)
{ {
struct de_private *de = dev->priv; struct de_private *de = dev->priv;
int rc; int rc;
unsigned long flags;
if (netif_msg_ifup(de)) if (netif_msg_ifup(de))
printk(KERN_DEBUG "%s: enabling interface\n", dev->name); printk(KERN_DEBUG "%s: enabling interface\n", dev->name);
...@@ -1376,18 +1375,20 @@ static int de_open (struct net_device *dev) ...@@ -1376,18 +1375,20 @@ static int de_open (struct net_device *dev)
return rc; return rc;
} }
rc = de_init_hw(de); dw32(IntrMask, 0);
if (rc) {
printk(KERN_ERR "%s: h/w init failure, err=%d\n",
dev->name, rc);
goto err_out_free;
}
rc = request_irq(dev->irq, de_interrupt, SA_SHIRQ, dev->name, dev); rc = request_irq(dev->irq, de_interrupt, SA_SHIRQ, dev->name, dev);
if (rc) { if (rc) {
printk(KERN_ERR "%s: IRQ %d request failure, err=%d\n", printk(KERN_ERR "%s: IRQ %d request failure, err=%d\n",
dev->name, dev->irq, rc); 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); netif_start_queue(dev);
...@@ -1395,11 +1396,8 @@ static int de_open (struct net_device *dev) ...@@ -1395,11 +1396,8 @@ static int de_open (struct net_device *dev)
return 0; return 0;
err_out_hw: err_out_free_irq:
spin_lock_irqsave(&de->lock, flags); free_irq(dev->irq, dev);
de_stop_hw(de);
spin_unlock_irqrestore(&de->lock, flags);
err_out_free: err_out_free:
de_free_rings(de); de_free_rings(de);
return rc; return rc;
...@@ -1455,6 +1453,8 @@ static void de_tx_timeout (struct net_device *dev) ...@@ -1455,6 +1453,8 @@ static void de_tx_timeout (struct net_device *dev)
synchronize_irq(dev->irq); synchronize_irq(dev->irq);
de_clean_rings(de); de_clean_rings(de);
de_init_rings(de);
de_init_hw(de); de_init_hw(de);
netif_wake_queue(dev); netif_wake_queue(dev);
......
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