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authorDavid S. Miller <davem@davemloft.net>2009-02-03 11:15:35 +0300
committerDavid S. Miller <davem@davemloft.net>2009-02-03 11:15:35 +0300
commitb3ff29d2ccfe3af065a9b393699a8fbf2abd1b15 (patch)
tree99e5b423473097756353d038f922b2623f3edd2a /drivers/net/igb/igb_main.c
parent1bded710a574f20d41bc9e7fb531301db282d623 (diff)
parentfb53fde9762432d091dac209bdf4f3f850117c55 (diff)
downloadlinux-b3ff29d2ccfe3af065a9b393699a8fbf2abd1b15.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/Kconfig
Diffstat (limited to 'drivers/net/igb/igb_main.c')
-rw-r--r--drivers/net/igb/igb_main.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index cd794bac8b80..8b80fe343435 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -203,10 +203,11 @@ static int __init igb_init_module(void)
global_quad_port_a = 0;
- ret = pci_register_driver(&igb_driver);
#ifdef CONFIG_IGB_DCA
dca_register_notify(&dca_notifier);
#endif
+
+ ret = pci_register_driver(&igb_driver);
return ret;
}
@@ -1153,11 +1154,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
/* set flags */
switch (hw->mac.type) {
- case e1000_82576:
case e1000_82575:
- adapter->flags |= IGB_FLAG_HAS_DCA;
adapter->flags |= IGB_FLAG_NEED_CTX_IDX;
break;
+ case e1000_82576:
default:
break;
}
@@ -1306,8 +1306,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
goto err_register;
#ifdef CONFIG_IGB_DCA
- if ((adapter->flags & IGB_FLAG_HAS_DCA) &&
- (dca_add_requester(&pdev->dev) == 0)) {
+ if (dca_add_requester(&pdev->dev) == 0) {
adapter->flags |= IGB_FLAG_DCA_ENABLED;
dev_info(&pdev->dev, "DCA enabled\n");
/* Always use CB2 mode, difference is masked
@@ -1819,11 +1818,11 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
rctl |= E1000_RCTL_SECRC;
/*
- * disable store bad packets, long packet enable, and clear size bits.
+ * disable store bad packets and clear size bits.
*/
- rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_LPE | E1000_RCTL_SZ_256);
+ rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256);
- if (adapter->netdev->mtu > ETH_DATA_LEN)
+ /* enable LPE when to prevent packets larger than max_frame_size */
rctl |= E1000_RCTL_LPE;
/* Setup buffer sizes */
@@ -1849,7 +1848,7 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
*/
/* allocations using alloc_page take too long for regular MTU
* so only enable packet split for jumbo frames */
- if (rctl & E1000_RCTL_LPE) {
+ if (adapter->netdev->mtu > ETH_DATA_LEN) {
adapter->rx_ps_hdr_size = IGB_RXBUFFER_128;
srrctl |= adapter->rx_ps_hdr_size <<
E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
@@ -3442,19 +3441,16 @@ static int __igb_notify_dca(struct device *dev, void *data)
struct e1000_hw *hw = &adapter->hw;
unsigned long event = *(unsigned long *)data;
- if (!(adapter->flags & IGB_FLAG_HAS_DCA))
- goto out;
-
switch (event) {
case DCA_PROVIDER_ADD:
/* if already enabled, don't do it again */
if (adapter->flags & IGB_FLAG_DCA_ENABLED)
break;
- adapter->flags |= IGB_FLAG_DCA_ENABLED;
/* Always use CB2 mode, difference is masked
* in the CB driver. */
wr32(E1000_DCA_CTRL, 2);
if (dca_add_requester(dev) == 0) {
+ adapter->flags |= IGB_FLAG_DCA_ENABLED;
dev_info(&adapter->pdev->dev, "DCA enabled\n");
igb_setup_dca(adapter);
break;
@@ -3471,7 +3467,7 @@ static int __igb_notify_dca(struct device *dev, void *data)
}
break;
}
-out:
+
return 0;
}