aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/atlx/atl1.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
commit4dd9ec4946b4651a295d3bc8df9c15ac692a8f4e (patch)
treeafb300c752de7175bb2df4722d5c857e070c75d9 /drivers/net/atlx/atl1.c
parent86ed5a93b8b56e4e0877b914af0e10883a196384 (diff)
parent6861ff35ec5b60fafaf8651754c9a75142bfa9a4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1075 commits) myri10ge: update driver version number to 1.4.3-1.369 r8169: add shutdown handler r8169: preliminary 8168d support r8169: support additional 8168cp chipset r8169: change default behavior for mildly identified 8168c chipsets r8169: add a new 8168cp flavor r8169: add a new 8168c flavor (bis) r8169: add a new 8168c flavor r8169: sync existing 8168 device hardware start sequences with vendor driver r8169: 8168b Tx performance tweak r8169: make room for more specific 8168 hardware start procedure r8169: shuffle some registers handling around (8168 operation only) r8169: new phy init parameters for the 8168b r8169: update phy init parameters r8169: wake up the PHY of the 8168 af_key: fix SADB_X_SPDDELETE response ath9k: Fix return code when ath9k_hw_setpower() fails on reset ath9k: remove nasty FAIL macro from ath9k_hw_reset() gre: minor cleanups in netlink interface gre: fix copy and paste error ...
Diffstat (limited to 'drivers/net/atlx/atl1.c')
-rw-r--r--drivers/net/atlx/atl1.c32
1 files changed, 7 insertions, 25 deletions
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index e23ce77712f..3cf59a7f5a1 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,