diff options
Diffstat (limited to 'drivers/net/atlx/atl1.c')
| -rw-r--r-- | drivers/net/atlx/atl1.c | 32 |
1 files changed, 7 insertions, 25 deletions
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c index e23ce77712f1..3cf59a7f5a1c 100644 --- a/drivers/net/atlx/atl1.c +++ b/drivers/net/atlx/atl1.c @@ -24,16 +24,12 @@ * file called COPYING. * * Contact Information: - * Xiong Huang <xiong_huang@attansic.com> - * Attansic Technology Corp. 3F 147, Xianzheng 9th Road, Zhubei, - * Xinzhu 302, TAIWAN, REPUBLIC OF CHINA - * + * Xiong Huang <xiong.huang@atheros.com> + * Jie Yang <jie.yang@atheros.com> * Chris Snook <csnook@redhat.com> * Jay Cliburn <jcliburn@gmail.com> * - * This version is adapted from the Attansic reference driver for - * inclusion in the Linux kernel. It is currently under heavy development. - * A very incomplete list of things that need to be dealt with: + * This version is adapted from the Attansic reference driver. * * TODO: * Add more ethtool functions. @@ -2109,7 +2105,6 @@ static u16 atl1_tpd_avail(struct atl1_tpd_ring *tpd_ring) static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, struct tx_packet_desc *ptpd) { - /* spinlock held */ u8 hdr_len, ip_off; u32 real_len; int err; @@ -2196,7 +2191,6 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb, struct tx_packet_desc *ptpd) { - /* spinlock held */ struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; struct atl1_buffer *buffer_info; u16 buf_len = skb->len; @@ -2303,7 +2297,6 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb, static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count, struct tx_packet_desc *ptpd) { - /* spinlock held */ struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; struct atl1_buffer *buffer_info; struct tx_packet_desc *tpd; @@ -2361,7 +2354,6 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) struct tx_packet_desc *ptpd; u16 frag_size; u16 vlan_tag; - unsigned long flags; unsigned int nr_frags = 0; unsigned int mss = 0; unsigned int f; @@ -2399,18 +2391,9 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } } - if (!spin_trylock_irqsave(&adapter->lock, flags)) { - /* Can't get lock - tell upper layer to requeue */ - if (netif_msg_tx_queued(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "tx locked\n"); - return NETDEV_TX_LOCKED; - } - if (atl1_tpd_avail(&adapter->tpd_ring) < count) { /* not enough descriptors */ netif_stop_queue(netdev); - spin_unlock_irqrestore(&adapter->lock, flags); if (netif_msg_tx_queued(adapter)) dev_printk(KERN_DEBUG, &adapter->pdev->dev, "tx busy\n"); @@ -2432,7 +2415,6 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) tso = atl1_tso(adapter, skb, ptpd); if (tso < 0) { - spin_unlock_irqrestore(&adapter->lock, flags); dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -2440,7 +2422,6 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) if (!tso) { ret_val = atl1_tx_csum(adapter, skb, ptpd); if (ret_val < 0) { - spin_unlock_irqrestore(&adapter->lock, flags); dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -2449,7 +2430,7 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev) atl1_tx_map(adapter, skb, ptpd); atl1_tx_queue(adapter, count, ptpd); atl1_update_mailbox(adapter); - spin_unlock_irqrestore(&adapter->lock, flags); + mmiowb(); netdev->trans_start = jiffies; return NETDEV_TX_OK; } @@ -2642,6 +2623,7 @@ static void atl1_down(struct atl1_adapter *adapter) { struct net_device *netdev = adapter->netdev; + netif_stop_queue(netdev); del_timer_sync(&adapter->watchdog_timer); del_timer_sync(&adapter->phy_config_timer); adapter->phy_timer_pending = false; @@ -2655,7 +2637,6 @@ static void atl1_down(struct atl1_adapter *adapter) adapter->link_speed = SPEED_0; adapter->link_duplex = -1; netif_carrier_off(netdev); - netif_stop_queue(netdev); atl1_clean_tx_ring(adapter); atl1_clean_rx_ring(adapter); @@ -2724,6 +2705,8 @@ static int atl1_open(struct net_device *netdev) struct atl1_adapter *adapter = netdev_priv(netdev); int err; + netif_carrier_off(netdev); + /* allocate transmit descriptors */ err = atl1_setup_ring_resources(adapter); if (err) @@ -3022,7 +3005,6 @@ static int __devinit atl1_probe(struct pci_dev *pdev, netdev->features = NETIF_F_HW_CSUM; netdev->features |= NETIF_F_SG; netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); - netdev->features |= NETIF_F_LLTX; /* * patch for some L1 of old version, |