aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/igb/igb_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb_main.c')
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c92
1 files changed, 67 insertions, 25 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 84dfa3f0e3b..d6b11522fed 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) Gigabit Ethernet Linux driver
- Copyright(c) 2007-2013 Intel Corporation.
+ Copyright(c) 2007-2014 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ this program; if not, see <http://www.gnu.org/licenses/>.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
@@ -70,7 +69,7 @@ char igb_driver_version[] = DRV_VERSION;
static const char igb_driver_string[] =
"Intel(R) Gigabit Ethernet Network Driver";
static const char igb_copyright[] =
- "Copyright (c) 2007-2013 Intel Corporation.";
+ "Copyright (c) 2007-2014 Intel Corporation.";
static const struct e1000_info *igb_info_tbl[] = {
[board_82575] = &e1000_82575_info,
@@ -1727,6 +1726,10 @@ int igb_up(struct igb_adapter *adapter)
hw->mac.get_link_status = 1;
schedule_work(&adapter->watchdog_task);
+ if ((adapter->flags & IGB_FLAG_EEE) &&
+ (!hw->dev_spec._82575.eee_disable))
+ adapter->eee_advert = MDIO_EEE_100TX | MDIO_EEE_1000T;
+
return 0;
}
@@ -1975,6 +1978,21 @@ void igb_reset(struct igb_adapter *adapter)
}
}
#endif
+ /* Re-establish EEE setting */
+ if (hw->phy.media_type == e1000_media_type_copper) {
+ switch (mac->type) {
+ case e1000_i350:
+ case e1000_i210:
+ case e1000_i211:
+ igb_set_eee_i350(hw);
+ break;
+ case e1000_i354:
+ igb_set_eee_i354(hw);
+ break;
+ default:
+ break;
+ }
+ }
if (!netif_running(adapter->netdev))
igb_power_down_link(adapter);
@@ -2561,23 +2579,36 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
(adapter->flags & IGB_FLAG_HAS_MSIX) ? "MSI-X" :
(adapter->flags & IGB_FLAG_HAS_MSI) ? "MSI" : "legacy",
adapter->num_rx_queues, adapter->num_tx_queues);
- switch (hw->mac.type) {
- case e1000_i350:
- case e1000_i210:
- case e1000_i211:
- igb_set_eee_i350(hw);
- break;
- case e1000_i354:
- if (hw->phy.media_type == e1000_media_type_copper) {
+ if (hw->phy.media_type == e1000_media_type_copper) {
+ switch (hw->mac.type) {
+ case e1000_i350:
+ case e1000_i210:
+ case e1000_i211:
+ /* Enable EEE for internal copper PHY devices */
+ err = igb_set_eee_i350(hw);
+ if ((!err) &&
+ (!hw->dev_spec._82575.eee_disable)) {
+ adapter->eee_advert =
+ MDIO_EEE_100TX | MDIO_EEE_1000T;
+ adapter->flags |= IGB_FLAG_EEE;
+ }
+ break;
+ case e1000_i354:
if ((rd32(E1000_CTRL_EXT) &
- E1000_CTRL_EXT_LINK_MODE_SGMII))
- igb_set_eee_i354(hw);
+ E1000_CTRL_EXT_LINK_MODE_SGMII)) {
+ err = igb_set_eee_i354(hw);
+ if ((!err) &&
+ (!hw->dev_spec._82575.eee_disable)) {
+ adapter->eee_advert =
+ MDIO_EEE_100TX | MDIO_EEE_1000T;
+ adapter->flags |= IGB_FLAG_EEE;
+ }
+ }
+ break;
+ default:
+ break;
}
- break;
- default:
- break;
}
-
pm_runtime_put_noidle(&pdev->dev);
return 0;
@@ -4159,6 +4190,15 @@ static void igb_watchdog_task(struct work_struct *work)
(ctrl & E1000_CTRL_RFCE) ? "RX" :
(ctrl & E1000_CTRL_TFCE) ? "TX" : "None");
+ /* disable EEE if enabled */
+ if ((adapter->flags & IGB_FLAG_EEE) &&
+ (adapter->link_duplex == HALF_DUPLEX)) {
+ dev_info(&adapter->pdev->dev,
+ "EEE Disabled: unsupported at half duplex. Re-enable using ethtool when at full duplex.\n");
+ adapter->hw.dev_spec._82575.eee_disable = true;
+ adapter->flags &= ~IGB_FLAG_EEE;
+ }
+
/* check if SmartSpeed worked */
igb_check_downshift(hw);
if (phy->speed_downgraded)
@@ -5128,10 +5168,10 @@ void igb_update_stats(struct igb_adapter *adapter,
}
do {
- start = u64_stats_fetch_begin_bh(&ring->rx_syncp);
+ start = u64_stats_fetch_begin_irq(&ring->rx_syncp);
_bytes = ring->rx_stats.bytes;
_packets = ring->rx_stats.packets;
- } while (u64_stats_fetch_retry_bh(&ring->rx_syncp, start));
+ } while (u64_stats_fetch_retry_irq(&ring->rx_syncp, start));
bytes += _bytes;
packets += _packets;
}
@@ -5144,10 +5184,10 @@ void igb_update_stats(struct igb_adapter *adapter,
for (i = 0; i < adapter->num_tx_queues; i++) {
struct igb_ring *ring = adapter->tx_ring[i];
do {
- start = u64_stats_fetch_begin_bh(&ring->tx_syncp);
+ start = u64_stats_fetch_begin_irq(&ring->tx_syncp);
_bytes = ring->tx_stats.bytes;
_packets = ring->tx_stats.packets;
- } while (u64_stats_fetch_retry_bh(&ring->tx_syncp, start));
+ } while (u64_stats_fetch_retry_irq(&ring->tx_syncp, start));
bytes += _bytes;
packets += _packets;
}
@@ -6621,7 +6661,9 @@ static inline void igb_rx_hash(struct igb_ring *ring,
struct sk_buff *skb)
{
if (ring->netdev->features & NETIF_F_RXHASH)
- skb->rxhash = le32_to_cpu(rx_desc->wb.lower.hi_dword.rss);
+ skb_set_hash(skb,
+ le32_to_cpu(rx_desc->wb.lower.hi_dword.rss),
+ PKT_HASH_TYPE_L3);
}
/**
@@ -6904,7 +6946,7 @@ static bool igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)
unsigned int total_bytes = 0, total_packets = 0;
u16 cleaned_count = igb_desc_unused(rx_ring);
- do {
+ while (likely(total_packets < budget)) {
union e1000_adv_rx_desc *rx_desc;
/* return some buffers to hardware, one at a time is too slow */
@@ -6956,7 +6998,7 @@ static bool igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)
/* update budget accounting */
total_packets++;
- } while (likely(total_packets < budget));
+ }
/* place incomplete frames back on ring for completion */
rx_ring->skb = skb;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-10-04 20:52:49 +0000