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Diffstat (limited to 'drivers/net/ethernet/intel/igb')
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_82575.c16
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_phy.c29
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_phy.h5
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_regs.h8
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ethtool.c70
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c25
6 files changed, 115 insertions, 38 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c
index 5e84eaac48c..ba994fb4cec 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.c
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
@@ -254,6 +254,14 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
*/
size += NVM_WORD_SIZE_BASE_SHIFT;
+ /*
+ * Check for invalid size
+ */
+ if ((hw->mac.type == e1000_82576) && (size > 15)) {
+ pr_notice("The NVM size is not valid, defaulting to 32K\n");
+ size = 15;
+ }
+
nvm->word_size = 1 << size;
if (hw->mac.type < e1000_i210) {
nvm->opcode_bits = 8;
@@ -281,14 +289,6 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
} else
nvm->type = e1000_nvm_flash_hw;
- /*
- * Check for invalid size
- */
- if ((hw->mac.type == e1000_82576) && (size > 15)) {
- pr_notice("The NVM size is not valid, defaulting to 32K\n");
- size = 15;
- }
-
/* NVM Function Pointers */
switch (hw->mac.type) {
case e1000_82580:
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c
index 7be98b6f105..3404bc79f4c 100644
--- a/drivers/net/ethernet/intel/igb/e1000_phy.c
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.c
@@ -464,6 +464,32 @@ s32 igb_copper_link_setup_82580(struct e1000_hw *hw)
phy_data |= I82580_CFG_ENABLE_DOWNSHIFT;
ret_val = phy->ops.write_reg(hw, I82580_CFG_REG, phy_data);
+ if (ret_val)
+ goto out;
+
+ /* Set MDI/MDIX mode */
+ ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data);
+ if (ret_val)
+ goto out;
+ phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK;
+ /*
+ * Options:
+ * 0 - Auto (default)
+ * 1 - MDI mode
+ * 2 - MDI-X mode
+ */
+ switch (hw->phy.mdix) {
+ case 1:
+ break;
+ case 2:
+ phy_data |= I82580_PHY_CTRL2_MANUAL_MDIX;
+ break;
+ case 0:
+ default:
+ phy_data |= I82580_PHY_CTRL2_AUTO_MDI_MDIX;
+ break;
+ }
+ ret_val = hw->phy.ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);
out:
return ret_val;
@@ -2246,8 +2272,7 @@ s32 igb_phy_force_speed_duplex_82580(struct e1000_hw *hw)
if (ret_val)
goto out;
- phy_data &= ~I82580_PHY_CTRL2_AUTO_MDIX;
- phy_data &= ~I82580_PHY_CTRL2_FORCE_MDI_MDIX;
+ phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK;
ret_val = phy->ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);
if (ret_val)
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.h b/drivers/net/ethernet/intel/igb/e1000_phy.h
index 34e40619f16..6ac3299bfcb 100644
--- a/drivers/net/ethernet/intel/igb/e1000_phy.h
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.h
@@ -111,8 +111,9 @@ s32 igb_check_polarity_m88(struct e1000_hw *hw);
#define I82580_PHY_STATUS2_SPEED_100MBPS 0x0100
/* I82580 PHY Control 2 */
-#define I82580_PHY_CTRL2_AUTO_MDIX 0x0400
-#define I82580_PHY_CTRL2_FORCE_MDI_MDIX 0x0200
+#define I82580_PHY_CTRL2_MANUAL_MDIX 0x0200
+#define I82580_PHY_CTRL2_AUTO_MDI_MDIX 0x0400
+#define I82580_PHY_CTRL2_MDIX_CFG_MASK 0x0600
/* I82580 PHY Diagnostics Status */
#define I82580_DSTATUS_CABLE_LENGTH 0x03FC
diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h
index 10efcd88dca..28394bea525 100644
--- a/drivers/net/ethernet/intel/igb/e1000_regs.h
+++ b/drivers/net/ethernet/intel/igb/e1000_regs.h
@@ -156,8 +156,12 @@
: (0x0E018 + ((_n) * 0x40)))
#define E1000_TXDCTL(_n) ((_n) < 4 ? (0x03828 + ((_n) * 0x100)) \
: (0x0E028 + ((_n) * 0x40)))
-#define E1000_DCA_TXCTRL(_n) (0x03814 + (_n << 8))
-#define E1000_DCA_RXCTRL(_n) (0x02814 + (_n << 8))
+#define E1000_RXCTL(_n) ((_n) < 4 ? (0x02814 + ((_n) * 0x100)) : \
+ (0x0C014 + ((_n) * 0x40)))
+#define E1000_DCA_RXCTRL(_n) E1000_RXCTL(_n)
+#define E1000_TXCTL(_n) ((_n) < 4 ? (0x03814 + ((_n) * 0x100)) : \
+ (0x0E014 + ((_n) * 0x40)))
+#define E1000_DCA_TXCTRL(_n) E1000_TXCTL(_n)
#define E1000_TDWBAL(_n) ((_n) < 4 ? (0x03838 + ((_n) * 0x100)) \
: (0x0E038 + ((_n) * 0x40)))
#define E1000_TDWBAH(_n) ((_n) < 4 ? (0x0383C + ((_n) * 0x100)) \
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index a19c84cad0e..be02168f130 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -198,6 +198,19 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
}
ecmd->autoneg = hw->mac.autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
+
+ /* MDI-X => 2; MDI =>1; Invalid =>0 */
+ if (hw->phy.media_type == e1000_media_type_copper)
+ ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
+ ETH_TP_MDI;
+ else
+ ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
+
+ if (hw->phy.mdix == AUTO_ALL_MODES)
+ ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
+ else
+ ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
+
return 0;
}
@@ -209,11 +222,27 @@ static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
/* When SoL/IDER sessions are active, autoneg/speed/duplex
* cannot be changed */
if (igb_check_reset_block(hw)) {
- dev_err(&adapter->pdev->dev, "Cannot change link "
- "characteristics when SoL/IDER is active.\n");
+ dev_err(&adapter->pdev->dev,
+ "Cannot change link characteristics when SoL/IDER is active.\n");
return -EINVAL;
}
+ /*
+ * MDI setting is only allowed when autoneg enabled because
+ * some hardware doesn't allow MDI setting when speed or
+ * duplex is forced.
+ */
+ if (ecmd->eth_tp_mdix_ctrl) {
+ if (hw->phy.media_type != e1000_media_type_copper)
+ return -EOPNOTSUPP;
+
+ if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
+ (ecmd->autoneg != AUTONEG_ENABLE)) {
+ dev_err(&adapter->pdev->dev, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
+ return -EINVAL;
+ }
+ }
+
while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
msleep(1);
@@ -227,12 +256,25 @@ static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
hw->fc.requested_mode = e1000_fc_default;
} else {
u32 speed = ethtool_cmd_speed(ecmd);
+ /* calling this overrides forced MDI setting */
if (igb_set_spd_dplx(adapter, speed, ecmd->duplex)) {
clear_bit(__IGB_RESETTING, &adapter->state);
return -EINVAL;
}
}
+ /* MDI-X => 2; MDI => 1; Auto => 3 */
+ if (ecmd->eth_tp_mdix_ctrl) {
+ /*
+ * fix up the value for auto (3 => 0) as zero is mapped
+ * internally to auto
+ */
+ if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
+ hw->phy.mdix = AUTO_ALL_MODES;
+ else
+ hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
+ }
+
/* reset the link */
if (netif_running(adapter->netdev)) {
igb_down(adapter);
@@ -1089,8 +1131,8 @@ static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
wr32(reg, (_test[pat] & write));
val = rd32(reg) & mask;
if (val != (_test[pat] & write & mask)) {
- dev_err(&adapter->pdev->dev, "pattern test reg %04X "
- "failed: got 0x%08X expected 0x%08X\n",
+ dev_err(&adapter->pdev->dev,
+ "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
reg, val, (_test[pat] & write & mask));
*data = reg;
return 1;
@@ -1108,8 +1150,8 @@ static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data,
wr32(reg, write & mask);
val = rd32(reg);
if ((write & mask) != (val & mask)) {
- dev_err(&adapter->pdev->dev, "set/check reg %04X test failed:"
- " got 0x%08X expected 0x%08X\n", reg,
+ dev_err(&adapter->pdev->dev,
+ "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n", reg,
(val & mask), (write & mask));
*data = reg;
return 1;
@@ -1171,8 +1213,9 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
wr32(E1000_STATUS, toggle);
after = rd32(E1000_STATUS) & toggle;
if (value != after) {
- dev_err(&adapter->pdev->dev, "failed STATUS register test "
- "got: 0x%08X expected: 0x%08X\n", after, value);
+ dev_err(&adapter->pdev->dev,
+ "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
+ after, value);
*data = 1;
return 1;
}
@@ -1497,6 +1540,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
break;
}
+ /* add small delay to avoid loopback test failure */
+ msleep(50);
+
/* force 1000, set loopback */
igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
@@ -1777,16 +1823,14 @@ static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
* sessions are active */
if (igb_check_reset_block(&adapter->hw)) {
dev_err(&adapter->pdev->dev,
- "Cannot do PHY loopback test "
- "when SoL/IDER is active.\n");
+ "Cannot do PHY loopback test when SoL/IDER is active.\n");
*data = 0;
goto out;
}
if ((adapter->hw.mac.type == e1000_i210)
- || (adapter->hw.mac.type == e1000_i210)) {
+ || (adapter->hw.mac.type == e1000_i211)) {
dev_err(&adapter->pdev->dev,
- "Loopback test not supported "
- "on this part at this time.\n");
+ "Loopback test not supported on this part at this time.\n");
*data = 0;
goto out;
}
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 1050411e7ca..73cc273ef98 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -462,10 +462,10 @@ static void igb_dump(struct igb_adapter *adapter)
(u64)buffer_info->time_stamp,
buffer_info->skb, next_desc);
- if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
+ if (netif_msg_pktdata(adapter) && buffer_info->skb)
print_hex_dump(KERN_INFO, "",
DUMP_PREFIX_ADDRESS,
- 16, 1, phys_to_virt(buffer_info->dma),
+ 16, 1, buffer_info->skb->data,
buffer_info->length, true);
}
}
@@ -547,18 +547,17 @@ rx_ring_summary:
(u64)buffer_info->dma,
buffer_info->skb, next_desc);
- if (netif_msg_pktdata(adapter)) {
+ if (netif_msg_pktdata(adapter) &&
+ buffer_info->dma && buffer_info->skb) {
print_hex_dump(KERN_INFO, "",
- DUMP_PREFIX_ADDRESS,
- 16, 1,
- phys_to_virt(buffer_info->dma),
- IGB_RX_HDR_LEN, true);
+ DUMP_PREFIX_ADDRESS,
+ 16, 1, buffer_info->skb->data,
+ IGB_RX_HDR_LEN, true);
print_hex_dump(KERN_INFO, "",
DUMP_PREFIX_ADDRESS,
16, 1,
- phys_to_virt(
- buffer_info->page_dma +
- buffer_info->page_offset),
+ page_address(buffer_info->page) +
+ buffer_info->page_offset,
PAGE_SIZE/2, true);
}
}
@@ -6235,7 +6234,7 @@ static bool igb_alloc_mapped_page(struct igb_ring *rx_ring,
return true;
if (!page) {
- page = alloc_page(GFP_ATOMIC | __GFP_COLD);
+ page = __skb_alloc_page(GFP_ATOMIC, bi->skb);
bi->page = page;
if (unlikely(!page)) {
rx_ring->rx_stats.alloc_failed++;
@@ -6676,6 +6675,10 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx)
default:
goto err_inval;
}
+
+ /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
+ adapter->hw.phy.mdix = AUTO_ALL_MODES;
+
return 0;
err_inval: