修改igb驱动程序支持i354

让我按i350的模子,修改驱动程序,使得i354也能够加载成功,按diff文件改了半天,还是有的地方完全不明白,最后放弃了,可惜涛哥不在,下面是老外某位大神修改的的diff文件:

 drivers/net/ethernet/intel/igb/e1000_82575.c   | 122 ++++++++++++++++++++++++-
 drivers/net/ethernet/intel/igb/e1000_82575.h   |   1 +
 drivers/net/ethernet/intel/igb/e1000_defines.h |  16 ++++
 drivers/net/ethernet/intel/igb/e1000_hw.h      |   4 +
 drivers/net/ethernet/intel/igb/e1000_mac.c     |  13 ++-
 drivers/net/ethernet/intel/igb/e1000_nvm.c     |   2 +
 drivers/net/ethernet/intel/igb/e1000_phy.c     |   1 +
 drivers/net/ethernet/intel/igb/e1000_regs.h    |   4 +
 drivers/net/ethernet/intel/igb/igb.h           |   4 +-
 drivers/net/ethernet/intel/igb/igb_ethtool.c   |  67 ++++++++++----
 drivers/net/ethernet/intel/igb/igb_main.c      |  49 +++++++---
 drivers/net/ethernet/intel/igb/igb_ptp.c       |   4 +
 12 files changed, 251 insertions(+), 36 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c
index 8ff938d..c9bba39d5 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.c
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
@@ -100,6 +100,7 @@ static bool igb_sgmii_uses_mdio_82575(struct e1000_hw *hw)
 		break;
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i354:
 	case e1000_i210:
 	case e1000_i211:
 		reg = rd32(E1000_MDICNFG);
@@ -149,6 +150,7 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw)
 		switch (hw->mac.type) {
 		case e1000_82580:
 		case e1000_i350:
+		case e1000_i354:
 			phy->ops.read_reg = igb_read_phy_reg_82580;
 			phy->ops.write_reg = igb_write_phy_reg_82580;
 			break;
@@ -174,13 +176,14 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw)
 
 	/* Verify phy id and set remaining function pointers */
 	switch (phy->id) {
+	case M88E1545_E_PHY_ID:
 	case I347AT4_E_PHY_ID:
 	case M88E1112_E_PHY_ID:
 	case M88E1111_I_PHY_ID:
 		phy->type		= e1000_phy_m88;
+		phy->ops.check_polarity	= igb_check_polarity_m88;
 		phy->ops.get_phy_info	= igb_get_phy_info_m88;
-		if (phy->id == I347AT4_E_PHY_ID ||
-		    phy->id == M88E1112_E_PHY_ID)
+		if (phy->id != M88E1111_I_PHY_ID)
 			phy->ops.get_cable_length =
 					 igb_get_cable_length_m88_gen2;
 		else
@@ -287,6 +290,7 @@ static s32 igb_init_nvm_params_82575(struct e1000_hw *hw)
 			nvm->ops.read = igb_read_nvm_spi;
 		nvm->ops.write = igb_write_nvm_spi;
 		break;
+	case e1000_i354:
 	case e1000_i350:
 		nvm->ops.validate = igb_validate_nvm_checksum_i350;
 		nvm->ops.update = igb_update_nvm_checksum_i350;
@@ -352,6 +356,7 @@ static s32 igb_init_mac_params_82575(struct e1000_hw *hw)
 		mac->rar_entry_count = E1000_RAR_ENTRIES_82580;
 		break;
 	case e1000_i350:
+	case e1000_i354:
 		mac->rar_entry_count = E1000_RAR_ENTRIES_I350;
 		break;
 	default:
@@ -445,6 +450,11 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	case E1000_DEV_ID_I211_COPPER:
 		mac->type = e1000_i211;
 		break;
+	case E1000_DEV_ID_I354_BACKPLANE_1GBPS:
+	case E1000_DEV_ID_I354_SGMII:
+	case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS:
+		mac->type = e1000_i354;
+		break;
 	default:
 		return -E1000_ERR_MAC_INIT;
 		break;
@@ -642,6 +652,7 @@ static s32 igb_get_phy_id_82575(struct e1000_hw *hw)
 			break;
 		case e1000_82580:
 		case e1000_i350:
+		case e1000_i354:
 		case e1000_i210:
 		case e1000_i211:
 			mdic = rd32(E1000_MDICNFG);
@@ -1272,7 +1283,7 @@ static s32 igb_init_hw_82575(struct e1000_hw *hw)
 
 	/* Disabling VLAN filtering */
 	hw_dbg("Initializing the IEEE VLAN\n");
-	if (hw->mac.type == e1000_i350)
+	if ((hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i354))
 		igb_clear_vfta_i350(hw);
 	else
 		igb_clear_vfta(hw);
@@ -1348,6 +1359,7 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
 		switch (hw->phy.id) {
 		case I347AT4_E_PHY_ID:
 		case M88E1112_E_PHY_ID:
+		case M88E1545_E_PHY_ID:
 		case I210_I_PHY_ID:
 			ret_val = igb_copper_link_setup_m88_gen2(hw);
 			break;
@@ -1804,6 +1816,7 @@ void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)
 		reg_offset = E1000_DTXSWC;
 		break;
 	case e1000_i350:
+	case e1000_i354:
 		reg_offset = E1000_TXSWC;
 		break;
 	default:
@@ -1845,6 +1858,7 @@ void igb_vmdq_set_loopback_pf(struct e1000_hw *hw, bool enable)
 			dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
 		wr32(E1000_DTXSWC, dtxswc);
 		break;
+	case e1000_i354:
 	case e1000_i350:
 		dtxswc = rd32(E1000_TXSWC);
 		if (enable)
@@ -2365,6 +2379,108 @@ out:
 	return ret_val;
 }
 
+/**
+ *  igb_set_eee_i354 - Enable/disable EEE support
+ *  @hw: pointer to the HW structure
+ *
+ *  Enable/disable EEE legacy mode based on setting in dev_spec structure.
+ *
+ **/
+s32 igb_set_eee_i354(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+	u16 phy_data;
+
+	if ((hw->phy.media_type != e1000_media_type_copper) ||
+	    (phy->id != M88E1545_E_PHY_ID))
+		goto out;
+
+	if (!hw->dev_spec._82575.eee_disable) {
+		/* Switch to PHY page 18. */
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1545_PAGE_ADDR, 18);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.read_reg(hw, E1000_M88E1545_EEE_CTRL_1,
+					    &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy_data |= E1000_M88E1545_EEE_CTRL_1_MS;
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1545_EEE_CTRL_1,
+					     phy_data);
+		if (ret_val)
+			goto out;
+
+		/* Return the PHY to page 0. */
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1545_PAGE_ADDR, 0);
+		if (ret_val)
+			goto out;
+
+		/* Turn on EEE advertisement. */
+		ret_val = igb_read_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+					     E1000_EEE_ADV_DEV_I354,
+					     &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy_data |= E1000_EEE_ADV_100_SUPPORTED |
+			    E1000_EEE_ADV_1000_SUPPORTED;
+		ret_val = igb_write_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+						E1000_EEE_ADV_DEV_I354,
+						phy_data);
+	} else {
+		/* Turn off EEE advertisement. */
+		ret_val = igb_read_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+					     E1000_EEE_ADV_DEV_I354,
+					     &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy_data &= ~(E1000_EEE_ADV_100_SUPPORTED |
+			      E1000_EEE_ADV_1000_SUPPORTED);
+		ret_val = igb_write_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+					      E1000_EEE_ADV_DEV_I354,
+					      phy_data);
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_eee_status_i354 - Get EEE status
+ *  @hw: pointer to the HW structure
+ *  @status: EEE status
+ *
+ *  Get EEE status by guessing based on whether Tx or Rx LPI indications have
+ *  been received.
+ **/
+s32 igb_get_eee_status_i354(struct e1000_hw *hw, bool *status)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+	u16 phy_data;
+
+	/* Check if EEE is supported on this device. */
+	if ((hw->phy.media_type != e1000_media_type_copper) ||
+	    (phy->id != M88E1545_E_PHY_ID))
+		goto out;
+
+	ret_val = igb_read_xmdio_reg(hw, E1000_PCS_STATUS_ADDR_I354,
+				     E1000_PCS_STATUS_DEV_I354,
+				     &phy_data);
+	if (ret_val)
+		goto out;
+
+	*status = phy_data & (E1000_PCS_STATUS_TX_LPI_RCVD |
+			      E1000_PCS_STATUS_RX_LPI_RCVD) ? true : false;
+
+out:
+	return ret_val;
+}
+
 static const u8 e1000_emc_temp_data[4] = {
 	E1000_EMC_INTERNAL_DATA,
 	E1000_EMC_DIODE1_DATA,
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.h b/drivers/net/ethernet/intel/igb/e1000_82575.h
index 0d318ac..74a1506 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.h
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.h
@@ -265,6 +265,7 @@ void igb_vmdq_set_replication_pf(struct e1000_hw *, bool);
 u16 igb_rxpbs_adjust_82580(u32 data);
 s32 igb_read_emi_reg(struct e1000_hw *, u16 addr, u16 *data);
 s32 igb_set_eee_i350(struct e1000_hw *);
+s32 igb_set_eee_i354(struct e1000_hw *);
 s32 igb_init_thermal_sensor_thresh_generic(struct e1000_hw *);
 s32 igb_get_thermal_sensor_data_generic(struct e1000_hw *hw);
 
diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h
index f3d87d7..31a0f82 100644
--- a/drivers/net/ethernet/intel/igb/e1000_defines.h
+++ b/drivers/net/ethernet/intel/igb/e1000_defines.h
@@ -236,11 +236,14 @@
 #define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000
 /* BMC external code execution disabled */
 
+#define E1000_STATUS_2P5_SKU		0x00001000 /* Val of 2.5GBE SKU strap */
+#define E1000_STATUS_2P5_SKU_OVER	0x00002000 /* Val of 2.5GBE SKU Over */
 /* Constants used to intrepret the masked PCI-X bus speed. */
 
 #define SPEED_10    10
 #define SPEED_100   100
 #define SPEED_1000  1000
+#define SPEED_2500  2500
 #define HALF_DUPLEX 1
 #define FULL_DUPLEX 2
 
@@ -768,6 +771,7 @@
 #define I350_I_PHY_ID        0x015403B0
 #define M88_VENDOR           0x0141
 #define I210_I_PHY_ID        0x01410C00
+#define M88E1545_E_PHY_ID    0x01410EA0
 
 /* M88E1000 Specific Registers */
 #define M88E1000_PHY_SPEC_CTRL     0x10  /* PHY Specific Control Register */
@@ -889,6 +893,18 @@
 #define E1000_EEE_LP_ADV_DEV_I210    7           /* EEE LP Adv Device */
 #define E1000_EEE_LP_ADV_ADDR_I210   61          /* EEE LP Adv Register */
 #define E1000_MMDAC_FUNC_DATA        0x4000      /* Data, no post increment */
+#define E1000_M88E1545_PAGE_ADDR	0x16       /* Page Offset Register */
+#define E1000_M88E1545_EEE_CTRL_1	0x0
+#define E1000_M88E1545_EEE_CTRL_1_MS	0x0001     /* EEE Master/Slave */
+#define E1000_EEE_ADV_DEV_I354		7
+#define E1000_EEE_ADV_ADDR_I354		60
+#define E1000_EEE_ADV_100_SUPPORTED	(1 << 1)   /* 100BaseTx EEE Supported */
+#define E1000_EEE_ADV_1000_SUPPORTED	(1 << 2)   /* 1000BaseT EEE Supported */
+#define E1000_PCS_STATUS_DEV_I354	3
+#define E1000_PCS_STATUS_ADDR_I354	1
+#define E1000_PCS_STATUS_TX_LPI_IND	0x0200     /* Tx in LPI state */
+#define E1000_PCS_STATUS_RX_LPI_RCVD	0x0400
+#define E1000_PCS_STATUS_TX_LPI_RCVD	0x0800
 
 /* SerDes Control */
 #define E1000_GEN_CTL_READY             0x80000000
diff --git a/drivers/net/ethernet/intel/igb/e1000_hw.h b/drivers/net/ethernet/intel/igb/e1000_hw.h
index 84df815..1138cca 100644
--- a/drivers/net/ethernet/intel/igb/e1000_hw.h
+++ b/drivers/net/ethernet/intel/igb/e1000_hw.h
@@ -70,6 +70,9 @@ struct e1000_hw;
 #define E1000_DEV_ID_I210_SERDES		0x1537
 #define E1000_DEV_ID_I210_SGMII			0x1538
 #define E1000_DEV_ID_I211_COPPER		0x1539
+#define E1000_DEV_ID_I354_BACKPLANE_1GBPS	0x1F40
+#define E1000_DEV_ID_I354_SGMII			0x1F41
+#define E1000_DEV_ID_I354_BACKPLANE_2_5GBPS	0x1F45
 
 #define E1000_REVISION_2 2
 #define E1000_REVISION_4 4
@@ -90,6 +93,7 @@ enum e1000_mac_type {
 	e1000_82576,
 	e1000_82580,
 	e1000_i350,
+	e1000_i354,
 	e1000_i210,
 	e1000_i211,
 	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c
index afbab05..2559d70 100644
--- a/drivers/net/ethernet/intel/igb/e1000_mac.c
+++ b/drivers/net/ethernet/intel/igb/e1000_mac.c
@@ -214,7 +214,7 @@ s32 igb_vfta_set(struct e1000_hw *hw, u32 vid, bool add)
 		else
 			vfta &= ~mask;
 	}
-	if (hw->mac.type == e1000_i350)
+	if ((hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i354))
 		igb_write_vfta_i350(hw, index, vfta);
 	else
 		igb_write_vfta(hw, index, vfta);
@@ -1171,6 +1171,17 @@ s32 igb_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed,
 		hw_dbg("Half Duplex\n");
 	}
 
+	/* Check if it is an I354 2.5Gb backplane connection. */
+	if (hw->mac.type == e1000_i354) {
+		if ((status & E1000_STATUS_2P5_SKU) &&
+		    !(status & E1000_STATUS_2P5_SKU_OVER)) {
+			*speed = SPEED_2500;
+			*duplex = FULL_DUPLEX;
+			hw_dbg("2500 Mbs, ");
+			hw_dbg("Full Duplex\n");
+		}
+	}
+
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/intel/igb/e1000_nvm.c b/drivers/net/ethernet/intel/igb/e1000_nvm.c
index 5e0dd0a..7f9cd7c 100644
--- a/drivers/net/ethernet/intel/igb/e1000_nvm.c
+++ b/drivers/net/ethernet/intel/igb/e1000_nvm.c
@@ -721,6 +721,7 @@ void igb_get_fw_version(struct e1000_hw *hw, struct e1000_fw_version *fw_vers)
 	case e1000_82575:
 	case e1000_82576:
 	case e1000_82580:
+	case e1000_i354:
 	case e1000_i350:
 	case e1000_i210:
 		break;
@@ -739,6 +740,7 @@ void igb_get_fw_version(struct e1000_hw *hw, struct e1000_fw_version *fw_vers)
 
 	switch (hw->mac.type) {
 	case e1000_i210:
+	case e1000_i354:
 	case e1000_i350:
 		/* find combo image version */
 		hw->nvm.ops.read(hw, NVM_COMB_VER_PTR, 1, &comb_offset);
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c
index 72a4409..fd46add 100644
--- a/drivers/net/ethernet/intel/igb/e1000_phy.c
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.c
@@ -1682,6 +1682,7 @@ s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw)
 		phy->max_cable_length = phy_data / (is_cm ? 100 : 1);
 		phy->cable_length = phy_data / (is_cm ? 100 : 1);
 		break;
+	case M88E1545_E_PHY_ID:
 	case I347AT4_E_PHY_ID:
 		/* Remember the original page select and set it to 7 */
 		ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT,
diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h
index bdfc040..82632c6 100644
--- a/drivers/net/ethernet/intel/igb/e1000_regs.h
+++ b/drivers/net/ethernet/intel/igb/e1000_regs.h
@@ -65,6 +65,7 @@
 #define E1000_TIPG     0x00410  /* TX Inter-packet gap -RW */
 #define E1000_AIT      0x00458  /* Adaptive Interframe Spacing Throttle - RW */
 #define E1000_LEDCTL   0x00E00  /* LED Control - RW */
+#define E1000_LEDMUX   0x08130  /* LED MUX Control */
 #define E1000_PBA      0x01000  /* Packet Buffer Allocation - RW */
 #define E1000_PBS      0x01008  /* Packet Buffer Size */
 #define E1000_EEMNGCTL 0x01010  /* MNG EEprom Control */
@@ -83,6 +84,9 @@
 #define E1000_I2C_DATA_IN   0x00001000  /* I2C- Data In */
 #define E1000_I2C_CLK_OE_N  0x00002000  /* I2C- Clock Output Enable */
 #define E1000_I2C_CLK_IN    0x00004000  /* I2C- Clock In */
+#define E1000_MPHY_ADDR_CTRL	0x0024 /* GbE MPHY Address Control */
+#define E1000_MPHY_DATA		0x0E10 /* GBE MPHY Data */
+#define E1000_MPHY_STAT		0x0E0C /* GBE MPHY Statistics */
 
 /* IEEE 1588 TIMESYNCH */
 #define E1000_TSYNCRXCTL 0x0B620 /* Rx Time Sync Control register - RW */
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index d47ac2a..c92115e 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -122,9 +122,9 @@ struct vf_data_storage {
  *           descriptors until either it has this many to write back, or the
  *           ITR timer expires.
  */
-#define IGB_RX_PTHRESH	8
+#define IGB_RX_PTHRESH	((hw->mac.type == e1000_i354) ? 12 : 8)
 #define IGB_RX_HTHRESH	8
-#define IGB_TX_PTHRESH	8
+#define IGB_TX_PTHRESH	((hw->mac.type == e1000_i354) ? 20 : 8)
 #define IGB_TX_HTHRESH	1
 #define IGB_RX_WTHRESH	((hw->mac.type == e1000_82576 && \
 			  adapter->msix_entries) ? 1 : 4)
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 8412f97..48b5947 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -181,18 +181,29 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 		ecmd->phy_address = hw->phy.addr;
 		ecmd->transceiver = XCVR_INTERNAL;
 	} else {
-		ecmd->supported   = (SUPPORTED_1000baseT_Full |
-				     SUPPORTED_100baseT_Full |
-				     SUPPORTED_Autoneg |
-				     SUPPORTED_FIBRE |
-				     SUPPORTED_Pause);
+		ecmd->supported = (SUPPORTED_1000baseT_Full |
+				   SUPPORTED_100baseT_Full |
+				   SUPPORTED_FIBRE |
+				   SUPPORTED_Autoneg |
+				   SUPPORTED_Pause);
+		if (hw->mac.type == e1000_i354)
+				ecmd->supported |= SUPPORTED_2500baseX_Full;
 
 		ecmd->advertising = ADVERTISED_FIBRE;
 
-		if (adapter->link_speed == SPEED_100)
-			ecmd->advertising = ADVERTISED_100baseT_Full;
-		else if (adapter->link_speed == SPEED_1000)
+		switch (adapter->link_speed) {
+		case SPEED_2500:
+			ecmd->advertising = ADVERTISED_2500baseX_Full;
+			break;
+		case SPEED_1000:
 			ecmd->advertising = ADVERTISED_1000baseT_Full;
+			break;
+		case SPEED_100:
+			ecmd->advertising = ADVERTISED_100baseT_Full;
+			break;
+		default:
+			break;
+		}
 
 		if (hw->mac.autoneg == 1)
 			ecmd->advertising |= ADVERTISED_Autoneg;
@@ -204,21 +215,23 @@ static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 	status = rd32(E1000_STATUS);
 
 	if (status & E1000_STATUS_LU) {
-
-		if (status & E1000_STATUS_SPEED_1000)
-			ethtool_cmd_speed_set(ecmd, SPEED_1000);
+		if ((hw->mac.type == e1000_i354) &&
+		    (status & E1000_STATUS_2P5_SKU) &&
+		    !(status & E1000_STATUS_2P5_SKU_OVER))
+			ecmd->speed = SPEED_2500;
+		else if (status & E1000_STATUS_SPEED_1000)
+			ecmd->speed = SPEED_1000;
 		else if (status & E1000_STATUS_SPEED_100)
-			ethtool_cmd_speed_set(ecmd, SPEED_100);
+			ecmd->speed = SPEED_100;
 		else
-			ethtool_cmd_speed_set(ecmd, SPEED_10);
-
+			ecmd->speed = SPEED_10;
 		if ((status & E1000_STATUS_FD) ||
 		    hw->phy.media_type != e1000_media_type_copper)
 			ecmd->duplex = DUPLEX_FULL;
 		else
 			ecmd->duplex = DUPLEX_HALF;
 	} else {
-		ethtool_cmd_speed_set(ecmd, -1);
+		ecmd->speed = -1;
 		ecmd->duplex = -1;
 	}
 
@@ -281,12 +294,22 @@ static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 			hw->phy.autoneg_advertised = ecmd->advertising |
 						     ADVERTISED_FIBRE |
 						     ADVERTISED_Autoneg;
-			if (adapter->link_speed == SPEED_1000)
+			switch (adapter->link_speed) {
+			case SPEED_2500:
+				hw->phy.autoneg_advertised =
+					ADVERTISED_2500baseX_Full;
+				break;
+			case SPEED_1000:
 				hw->phy.autoneg_advertised =
 					ADVERTISED_1000baseT_Full;
-			else if (adapter->link_speed == SPEED_100)
+				break;
+			case SPEED_100:
 				hw->phy.autoneg_advertised =
 					ADVERTISED_100baseT_Full;
+				break;
+			default:
+				break;
+			}
 		} else {
 			hw->phy.autoneg_advertised = ecmd->advertising |
 						     ADVERTISED_TP |
@@ -1225,6 +1248,7 @@ static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
 
 	switch (adapter->hw.mac.type) {
 	case e1000_i350:
+	case e1000_i354:
 		test = reg_test_i350;
 		toggle = 0x7FEFF3FF;
 		break;
@@ -1387,6 +1411,7 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
 		ics_mask = 0x77DCFED5;
 		break;
 	case e1000_i350:
+	case e1000_i354:
 	case e1000_i210:
 	case e1000_i211:
 		ics_mask = 0x77DCFED5;
@@ -1881,6 +1906,13 @@ static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
 		*data = 0;
 		goto out;
 	}
+
+	if (adapter->hw.mac.type == e1000_i354) {
+		dev_info(&adapter->pdev->dev,
+			"Loopback test not supported on i354.\n");
+		*data = 0;
+		goto out;
+	}
 	*data = igb_setup_desc_rings(adapter);
 	if (*data)
 		goto out;
@@ -2311,6 +2343,7 @@ static int igb_get_ts_info(struct net_device *dev,
 	case e1000_82576:
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i354:
 	case e1000_i210:
 	case e1000_i211:
 		info->so_timestamping =
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 666f87c..3859025 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -77,6 +77,9 @@ static const struct e1000_info *igb_info_tbl[] = {
 };
 
 static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_BACKPLANE_1GBPS) },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_SGMII) },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I211_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_FIBER), board_82575 },
@@ -735,6 +738,7 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
 	case e1000_82575:
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i354:
 	case e1000_i210:
 	case e1000_i211:
 	default:
@@ -820,6 +824,7 @@ static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)
 		break;
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i354:
 	case e1000_i210:
 	case e1000_i211:
 		/* On 82580 and newer adapters the scheme is similar to 82576
@@ -887,6 +892,7 @@ static void igb_configure_msix(struct igb_adapter *adapter)
 	case e1000_82576:
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i354:
 	case e1000_i210:
 	case e1000_i211:
 		/* Turn on MSI-X capability first, or our settings
@@ -1238,7 +1244,8 @@ static int igb_alloc_q_vector(struct igb_adapter *adapter,
 		if (adapter->hw.mac.type >= e1000_82576)
 			set_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags);
 
-		/* On i350, i210, and i211, loopback VLAN packets
+		/*
+		 * On i350, i354, i210, and i211, loopback VLAN packets
 		 * have the tag byte-swapped.
 		 */
 		if (adapter->hw.mac.type >= e1000_i350)
@@ -1713,6 +1720,7 @@ void igb_reset(struct igb_adapter *adapter)
 	 */
 	switch (mac->type) {
 	case e1000_i350:
+	case e1000_i354:
 	case e1000_82580:
 		pba = rd32(E1000_RXPBS);
 		pba = igb_rxpbs_adjust_82580(pba);
@@ -2317,17 +2325,20 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	igb_ptp_init(adapter);
 
 	dev_info(&pdev->dev, "Intel(R) Gigabit Ethernet Network Connection\n");
-	/* print bus type/speed/width info */
-	dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n",
-		 netdev->name,
-		 ((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
-		  (hw->bus.speed == e1000_bus_speed_5000) ? "5.0Gb/s" :
-		   "unknown"),
-		 ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
-		  (hw->bus.width == e1000_bus_width_pcie_x2) ? "Width x2" :
-		  (hw->bus.width == e1000_bus_width_pcie_x1) ? "Width x1" :
-		   "unknown"),
-		 netdev->dev_addr);
+	/* print bus type/speed/width info, not applicable to i354 */
+	if (hw->mac.type != e1000_i354) {
+		dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n",
+			 netdev->name,
+			 ((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
+			  (hw->bus.speed == e1000_bus_speed_5000) ? "5.0Gb/s" :
+			   "unknown"),
+			 ((hw->bus.width == e1000_bus_width_pcie_x4) ?
+			  "Width x4" :
+			  (hw->bus.width == e1000_bus_width_pcie_x2) ?
+			  "Width x2" :
+			  (hw->bus.width == e1000_bus_width_pcie_x1) ?
+			  "Width x1" : "unknown"), netdev->dev_addr);
+	}
 
 	ret_val = igb_read_part_string(hw, part_str, E1000_PBANUM_LENGTH);
 	if (ret_val)
@@ -2344,6 +2355,13 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	case e1000_i211:
 		igb_set_eee_i350(hw);
 		break;
+	case e1000_i354:
+		if (hw->phy.media_type == e1000_media_type_copper) {
+			if ((rd32(E1000_CTRL_EXT) &
+			    E1000_CTRL_EXT_LINK_MODE_SGMII))
+				igb_set_eee_i354(hw);
+		}
+		break;
 	default:
 		break;
 	}
@@ -2597,6 +2615,7 @@ static void igb_init_queue_configuration(struct igb_adapter *adapter)
 		}
 		/* fall through */
 	case e1000_82580:
+	case e1000_i354:
 	default:
 		max_rss_queues = IGB_MAX_RX_QUEUES;
 		break;
@@ -2621,6 +2640,7 @@ static void igb_init_queue_configuration(struct igb_adapter *adapter)
 		/* fall through */
 	case e1000_82580:
 	case e1000_i350:
+	case e1000_i354:
 	case e1000_i210:
 	default:
 		/* If rss_queues > half of max_rss_queues, pair the queues in
@@ -7649,6 +7669,7 @@ static void igb_vmm_control(struct igb_adapter *adapter)
 	case e1000_82575:
 	case e1000_i210:
 	case e1000_i211:
+	case e1000_i354:
 	default:
 		/* replication is not supported for 82575 */
 		return;
@@ -7722,7 +7743,9 @@ static void igb_init_dmac(struct igb_adapter *adapter, u32 pba)
 			reg |= (1000 >> 5);
 
 			/* Disable BMC-to-OS Watchdog Enable */
-			reg &= ~E1000_DMACR_DC_BMC2OSW_EN;
+			if (hw->mac.type != e1000_i354)
+				reg &= ~E1000_DMACR_DC_BMC2OSW_EN;
+
 			wr32(E1000_DMACR, reg);
 
 			/* no lower threshold to disable
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index 9f7da26..7e8c477 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -171,6 +171,7 @@ static void igb_ptp_systim_to_hwtstamp(struct igb_adapter *adapter,
 	switch (adapter->hw.mac.type) {
 	case e1000_82576:
 	case e1000_82580:
+	case e1000_i354:
 	case e1000_i350:
 		spin_lock_irqsave(&adapter->tmreg_lock, flags);
 
@@ -735,6 +736,7 @@ void igb_ptp_init(struct igb_adapter *adapter)
 		wr32(E1000_TIMINCA, INCPERIOD_82576 | INCVALUE_82576);
 		break;
 	case e1000_82580:
+	case e1000_i354:
 	case e1000_i350:
 		snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr);
 		adapter->ptp_caps.owner = THIS_MODULE;
@@ -823,6 +825,7 @@ void igb_ptp_stop(struct igb_adapter *adapter)
 	switch (adapter->hw.mac.type) {
 	case e1000_82576:
 	case e1000_82580:
+	case e1000_i354:
 	case e1000_i350:
 		cancel_delayed_work_sync(&adapter->ptp_overflow_work);
 		break;
@@ -867,6 +870,7 @@ void igb_ptp_reset(struct igb_adapter *adapter)
 		wr32(E1000_TIMINCA, INCPERIOD_82576 | INCVALUE_82576);
 		break;
 	case e1000_82580:
+	case e1000_i354:
 	case e1000_i350:
 	case e1000_i210:
 	case e1000_i211:
-- 

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