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path: root/drivers/net/igb
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-rw-r--r--drivers/net/igb/e1000_82575.c11
-rw-r--r--drivers/net/igb/igb.h9
-rw-r--r--drivers/net/igb/igb_main.c24
3 files changed, 23 insertions, 21 deletions
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index f5e2e7235fc..13ca73f96ec 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -699,11 +699,18 @@ static s32 igb_check_for_link_82575(struct e1000_hw *hw)
/* SGMII link check is done through the PCS register. */
if ((hw->phy.media_type != e1000_media_type_copper) ||
- (igb_sgmii_active_82575(hw)))
+ (igb_sgmii_active_82575(hw))) {
ret_val = igb_get_pcs_speed_and_duplex_82575(hw, &speed,
&duplex);
- else
+ /*
+ * Use this flag to determine if link needs to be checked or
+ * not. If we have link clear the flag so that we do not
+ * continue to check for link.
+ */
+ hw->mac.get_link_status = !hw->mac.serdes_has_link;
+ } else {
ret_val = igb_check_for_copper_link(hw);
+ }
return ret_val;
}
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 5a27825cc48..aebef8e48e7 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -300,11 +300,10 @@ struct igb_adapter {
#define IGB_FLAG_HAS_MSI (1 << 0)
#define IGB_FLAG_MSI_ENABLE (1 << 1)
-#define IGB_FLAG_HAS_DCA (1 << 2)
-#define IGB_FLAG_DCA_ENABLED (1 << 3)
-#define IGB_FLAG_IN_NETPOLL (1 << 5)
-#define IGB_FLAG_QUAD_PORT_A (1 << 6)
-#define IGB_FLAG_NEED_CTX_IDX (1 << 7)
+#define IGB_FLAG_DCA_ENABLED (1 << 2)
+#define IGB_FLAG_IN_NETPOLL (1 << 3)
+#define IGB_FLAG_QUAD_PORT_A (1 << 4)
+#define IGB_FLAG_NEED_CTX_IDX (1 << 5)
enum e1000_state_t {
__IGB_TESTING,
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index b82b0fb2056..a50db5398fa 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -206,10 +206,11 @@ 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;
}
@@ -1156,11 +1157,10 @@ 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;
}
@@ -1310,8 +1310,7 @@ 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
@@ -1835,11 +1834,11 @@ 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 */
@@ -1865,7 +1864,7 @@ 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;
@@ -3473,19 +3472,16 @@ 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;
@@ -3502,7 +3498,7 @@ static int __igb_notify_dca(struct device *dev, void *data)
}
break;
}
-out:
+
return 0;
}