Update the Intel igb driver to version 2.4.0

  - This version has support for the new Intel Avoton systems,
including 2.5Gb support, further it now has IPv6/TSO6 support as
well. Shared code has been updated where necessary as well. Thanks
to my new assistant Eric Joyner for doing the transmit path changes
to bring in the IPv6/TSO6 support. Thanks to Gleb for catching the
one bug and change needed in NETMAP.

Approved by: re

1 files changed, 287 insertions, 38 deletions

diff --git a/sys/dev/e1000/e1000_82575.c b/sys/dev/e1000/e1000_82575.c
index 5722f46..1707236 100644
--- a/sys/dev/e1000/e1000_82575.c
+++ b/sys/dev/e1000/e1000_82575.c
@@ -52,6 +52,7 @@ static void e1000_release_phy_82575(struct e1000_hw *hw);
 static s32  e1000_acquire_nvm_82575(struct e1000_hw *hw);
 static void e1000_release_nvm_82575(struct e1000_hw *hw);
 static s32  e1000_check_for_link_82575(struct e1000_hw *hw);
+static s32  e1000_check_for_link_media_swap(struct e1000_hw *hw);
 static s32  e1000_get_cfg_done_82575(struct e1000_hw *hw);
 static s32  e1000_get_link_up_info_82575(struct e1000_hw *hw, u16 *speed,
 					 u16 *duplex);
@@ -144,6 +145,7 @@ static bool e1000_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 = E1000_READ_REG(hw, E1000_MDICNFG);
@@ -207,6 +209,7 @@ static s32 e1000_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 = e1000_read_phy_reg_82580;
 			phy->ops.write_reg = e1000_write_phy_reg_82580;
 			break;
@@ -226,6 +229,8 @@ static s32 e1000_init_phy_params_82575(struct e1000_hw *hw)
 
 	/* Verify phy id and set remaining function pointers */
 	switch (phy->id) {
+	case M88E1543_E_PHY_ID:
+	case M88E1512_E_PHY_ID:
 	case I347AT4_E_PHY_ID:
 	case M88E1112_E_PHY_ID:
 	case M88E1340M_E_PHY_ID:
@@ -238,9 +243,36 @@ static s32 e1000_init_phy_params_82575(struct e1000_hw *hw)
 		    phy->id == M88E1340M_E_PHY_ID)
 			phy->ops.get_cable_length =
 					 e1000_get_cable_length_m88_gen2;
+		else if (phy->id == M88E1543_E_PHY_ID ||
+			 phy->id == M88E1512_E_PHY_ID)
+			phy->ops.get_cable_length =
+					 e1000_get_cable_length_m88_gen2;
 		else
 			phy->ops.get_cable_length = e1000_get_cable_length_m88;
 		phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_m88;
+		/* Check if this PHY is confgured for media swap. */
+		if (phy->id == M88E1112_E_PHY_ID) {
+			u16 data;
+
+			ret_val = phy->ops.write_reg(hw,
+						     E1000_M88E1112_PAGE_ADDR,
+						     2);
+			if (ret_val)
+				goto out;
+
+			ret_val = phy->ops.read_reg(hw,
+						    E1000_M88E1112_MAC_CTRL_1,
+						    &data);
+			if (ret_val)
+				goto out;
+
+			data = (data & E1000_M88E1112_MAC_CTRL_1_MODE_MASK) >>
+			       E1000_M88E1112_MAC_CTRL_1_MODE_SHIFT;
+			if (data == E1000_M88E1112_AUTO_COPPER_SGMII ||
+			    data == E1000_M88E1112_AUTO_COPPER_BASEX)
+				hw->mac.ops.check_for_link =
+						e1000_check_for_link_media_swap;
+		}
 		break;
 	case IGP03E1000_E_PHY_ID:
 	case IGP04E1000_E_PHY_ID:
@@ -355,6 +387,7 @@ s32 e1000_init_nvm_params_82575(struct e1000_hw *hw)
 		nvm->ops.update = e1000_update_nvm_checksum_82580;
 		break;
 	case e1000_i350:
+	case e1000_i354:
 		nvm->ops.validate = e1000_validate_nvm_checksum_i350;
 		nvm->ops.update = e1000_update_nvm_checksum_i350;
 		break;
@@ -388,7 +421,7 @@ static s32 e1000_init_mac_params_82575(struct e1000_hw *hw)
 		mac->rar_entry_count = E1000_RAR_ENTRIES_82576;
 	if (mac->type == e1000_82580)
 		mac->rar_entry_count = E1000_RAR_ENTRIES_82580;
-	if (mac->type == e1000_i350)
+	if (mac->type == e1000_i350 || mac->type == e1000_i354)
 		mac->rar_entry_count = E1000_RAR_ENTRIES_I350;
 
 	/* Enable EEE default settings for EEE supported devices */
@@ -436,7 +469,7 @@ static s32 e1000_init_mac_params_82575(struct e1000_hw *hw)
 	mac->ops.config_collision_dist = e1000_config_collision_dist_82575;
 	/* multicast address update */
 	mac->ops.update_mc_addr_list = e1000_update_mc_addr_list_generic;
-	if (mac->type == e1000_i350) {
+	if (hw->mac.type == e1000_i350 || mac->type == e1000_i354) {
 		/* writing VFTA */
 		mac->ops.write_vfta = e1000_write_vfta_i350;
 		/* clearing VFTA */
@@ -622,6 +655,10 @@ static s32 e1000_get_phy_id_82575(struct e1000_hw *hw)
 
 	DEBUGFUNC("e1000_get_phy_id_82575");
 
+	/* some i354 devices need an extra read for phy id */
+	if (hw->mac.type == e1000_i354)
+		e1000_get_phy_id(hw);
+
 	/*
 	 * For SGMII PHYs, we try the list of possible addresses until
 	 * we find one that works.  For non-SGMII PHYs
@@ -645,6 +682,7 @@ static s32 e1000_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 = E1000_READ_REG(hw, E1000_MDICNFG);
@@ -1173,6 +1211,61 @@ static s32 e1000_check_for_link_82575(struct e1000_hw *hw)
 }
 
 /**
+ *  e1000_check_for_link_media_swap - Check which M88E1112 interface linked
+ *  @hw: pointer to the HW structure
+ *
+ *  Poll the M88E1112 interfaces to see which interface achieved link.
+ */
+static s32 e1000_check_for_link_media_swap(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+	u8 port = 0;
+
+	DEBUGFUNC("e1000_check_for_link_media_swap");
+
+	/* Check the copper medium. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = phy->ops.read_reg(hw, E1000_M88E1112_STATUS, &data);
+	if (ret_val)
+		return ret_val;
+
+	if (data & E1000_M88E1112_STATUS_LINK)
+		port = E1000_MEDIA_PORT_COPPER;
+
+	/* Check the other medium. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 1);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = phy->ops.read_reg(hw, E1000_M88E1112_STATUS, &data);
+	if (ret_val)
+		return ret_val;
+
+	/* reset page to 0 */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
+	if (ret_val)
+		return ret_val;
+
+	if (data & E1000_M88E1112_STATUS_LINK)
+		port = E1000_MEDIA_PORT_OTHER;
+
+	/* Determine if a swap needs to happen. */
+	if (port && (hw->dev_spec._82575.media_port != port)) {
+		hw->dev_spec._82575.media_port = port;
+		hw->dev_spec._82575.media_changed = TRUE;
+	} else {
+		ret_val = e1000_check_for_link_82575(hw);
+	}
+
+	return E1000_SUCCESS;
+}
+
+/**
  *  e1000_power_up_serdes_link_82575 - Power up the serdes link after shutdown
  *  @hw: pointer to the HW structure
  **/
@@ -1215,6 +1308,7 @@ static s32 e1000_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw,
 {
 	struct e1000_mac_info *mac = &hw->mac;
 	u32 pcs;
+	u32 status;
 
 	DEBUGFUNC("e1000_get_pcs_speed_and_duplex_82575");
 
@@ -1245,6 +1339,18 @@ static s32 e1000_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw,
 		else
 			*duplex = HALF_DUPLEX;
 
+		/* Check if it is an I354 2.5Gb backplane connection. */
+		if (mac->type == e1000_i354) {
+			status = E1000_READ_REG(hw, E1000_STATUS);
+			if ((status & E1000_STATUS_2P5_SKU) &&
+			    !(status & E1000_STATUS_2P5_SKU_OVER)) {
+				*speed = SPEED_2500;
+				*duplex = FULL_DUPLEX;
+				DEBUGOUT("2500 Mbs, ");
+				DEBUGOUT("Full Duplex\n");
+			}
+		}
+
 	} else {
 		mac->serdes_has_link = FALSE;
 		*speed = 0;
@@ -1430,11 +1536,18 @@ static s32 e1000_setup_copper_link_82575(struct e1000_hw *hw)
 	ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
 	E1000_WRITE_REG(hw, E1000_CTRL, ctrl);
 
-	/* Clear Go Link Disconnect bit */
-	if (hw->mac.type >= e1000_82580) {
+	/* Clear Go Link Disconnect bit on supported devices */
+	switch (hw->mac.type) {
+	case e1000_82580:
+	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
 		phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
 		phpm_reg &= ~E1000_82580_PM_GO_LINKD;
 		E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
+		break;
+	default:
+		break;
 	}
 
 	ret_val = e1000_setup_serdes_link_82575(hw);
@@ -1458,6 +1571,8 @@ static s32 e1000_setup_copper_link_82575(struct e1000_hw *hw)
 		case I347AT4_E_PHY_ID:
 		case M88E1112_E_PHY_ID:
 		case M88E1340M_E_PHY_ID:
+		case M88E1543_E_PHY_ID:
+		case M88E1512_E_PHY_ID:
 		case I210_I_PHY_ID:
 			ret_val = e1000_copper_link_setup_m88_gen2(hw);
 			break;
@@ -2132,42 +2247,33 @@ out:
  **/
 void e1000_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)
 {
-	u32 dtxswc;
+	u32 reg_val, reg_offset;
 
 	switch (hw->mac.type) {
 	case e1000_82576:
-		dtxswc = E1000_READ_REG(hw, E1000_DTXSWC);
-		if (enable) {
-			dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK |
-				   E1000_DTXSWC_VLAN_SPOOF_MASK);
-			/* The PF can spoof - it has to in order to
-			 * support emulation mode NICs */
-			dtxswc ^= (1 << pf | 1 << (pf +
-				   E1000_DTXSWC_VLAN_SPOOF_SHIFT));
-		} else {
-			dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
-				    E1000_DTXSWC_VLAN_SPOOF_MASK);
-		}
-		E1000_WRITE_REG(hw, E1000_DTXSWC, dtxswc);
+		reg_offset = E1000_DTXSWC;
 		break;
 	case e1000_i350:
-		dtxswc = E1000_READ_REG(hw, E1000_TXSWC);
-		if (enable) {
-			dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK |
-				   E1000_DTXSWC_VLAN_SPOOF_MASK);
-			/* The PF can spoof - it has to in order to
-			 * support emulation mode NICs
-			 */
-			dtxswc ^= (1 << pf | 1 << (pf +
-				   E1000_DTXSWC_VLAN_SPOOF_SHIFT));
-		} else {
-			dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
-				    E1000_DTXSWC_VLAN_SPOOF_MASK);
-		}
-		E1000_WRITE_REG(hw, E1000_TXSWC, dtxswc);
-	default:
+	case e1000_i354:
+		reg_offset = E1000_TXSWC;
 		break;
+	default:
+		return;
+	}
+
+	reg_val = E1000_READ_REG(hw, reg_offset);
+	if (enable) {
+		reg_val |= (E1000_DTXSWC_MAC_SPOOF_MASK |
+			     E1000_DTXSWC_VLAN_SPOOF_MASK);
+		/* The PF can spoof - it has to in order to
+		 * support emulation mode NICs
+		 */
+		reg_val ^= (1 << pf | 1 << (pf + MAX_NUM_VFS));
+	} else {
+		reg_val &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
+			     E1000_DTXSWC_VLAN_SPOOF_MASK);
 	}
+	E1000_WRITE_REG(hw, reg_offset, reg_val);
 }
 
 /**
@@ -2191,6 +2297,7 @@ void e1000_vmdq_set_loopback_pf(struct e1000_hw *hw, bool enable)
 		E1000_WRITE_REG(hw, E1000_DTXSWC, dtxswc);
 		break;
 	case e1000_i350:
+	case e1000_i354:
 		dtxswc = E1000_READ_REG(hw, E1000_TXSWC);
 		if (enable)
 			dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
@@ -2387,10 +2494,6 @@ static s32 e1000_reset_hw_82580(struct e1000_hw *hw)
 		DEBUGOUT("Auto Read Done did not complete\n");
 	}
 
-	/* If EEPROM is not present, run manual init scripts */
-	if (!(E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_PRES))
-		e1000_reset_init_script_82575(hw);
-
 	/* clear global device reset status bit */
 	E1000_WRITE_REG(hw, E1000_STATUS, E1000_STAT_DEV_RST_SET);
 
@@ -2645,6 +2748,45 @@ out:
 }
 
 /**
+ *  __e1000_access_emi_reg - Read/write EMI register
+ *  @hw: pointer to the HW structure
+ *  @addr: EMI address to program
+ *  @data: pointer to value to read/write from/to the EMI address
+ *  @read: boolean flag to indicate read or write
+ **/
+static s32 __e1000_access_emi_reg(struct e1000_hw *hw, u16 address,
+				  u16 *data, bool read)
+{
+	s32 ret_val = E1000_SUCCESS;
+
+	DEBUGFUNC("__e1000_access_emi_reg");
+
+	ret_val = hw->phy.ops.write_reg(hw, E1000_EMIADD, address);
+	if (ret_val)
+		return ret_val;
+
+	if (read)
+		ret_val = hw->phy.ops.read_reg(hw, E1000_EMIDATA, data);
+	else
+		ret_val = hw->phy.ops.write_reg(hw, E1000_EMIDATA, *data);
+
+	return ret_val;
+}
+
+/**
+ *  e1000_read_emi_reg - Read Extended Management Interface register
+ *  @hw: pointer to the HW structure
+ *  @addr: EMI address to program
+ *  @data: value to be read from the EMI address
+ **/
+s32 e1000_read_emi_reg(struct e1000_hw *hw, u16 addr, u16 *data)
+{
+	DEBUGFUNC("e1000_read_emi_reg");
+
+	return __e1000_access_emi_reg(hw, addr, data, TRUE);
+}
+
+/**
  *  e1000_set_eee_i350 - Enable/disable EEE support
  *  @hw: pointer to the HW structure
  *
@@ -2689,6 +2831,114 @@ out:
 	return ret_val;
 }
 
+/**
+ *  e1000_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 e1000_set_eee_i354(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = E1000_SUCCESS;
+	u16 phy_data;
+
+	DEBUGFUNC("e1000_set_eee_i354");
+
+	if ((hw->phy.media_type != e1000_media_type_copper) ||
+	    ((phy->id != M88E1543_E_PHY_ID) &&
+	    (phy->id != M88E1512_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_M88E1543_PAGE_ADDR, 18);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.read_reg(hw, E1000_M88E1543_EEE_CTRL_1,
+					    &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy_data |= E1000_M88E1543_EEE_CTRL_1_MS;
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1543_EEE_CTRL_1,
+					     phy_data);
+		if (ret_val)
+			goto out;
+
+		/* Return the PHY to page 0. */
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);
+		if (ret_val)
+			goto out;
+
+		/* Turn on EEE advertisement. */
+		ret_val = e1000_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 = e1000_write_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+						E1000_EEE_ADV_DEV_I354,
+						phy_data);
+	} else {
+		/* Turn off EEE advertisement. */
+		ret_val = e1000_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 = e1000_write_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+						E1000_EEE_ADV_DEV_I354,
+						phy_data);
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  e1000_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 e1000_get_eee_status_i354(struct e1000_hw *hw, bool *status)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = E1000_SUCCESS;
+	u16 phy_data;
+
+	DEBUGFUNC("e1000_get_eee_status_i354");
+
+	/* Check if EEE is supported on this device. */
+	if ((hw->phy.media_type != e1000_media_type_copper) ||
+	    ((phy->id != M88E1543_E_PHY_ID) &&
+	    (phy->id != M88E1512_E_PHY_ID)))
+		goto out;
+
+	ret_val = e1000_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;
+}
+
 /* Due to a hw errata, if the host tries to  configure the VFTA register
  * while performing queries from the BMC or DMA, then the VFTA in some
  * cases won't be written.
@@ -3286,4 +3536,3 @@ void e1000_i2c_bus_clear(struct e1000_hw *hw)
 	e1000_i2c_stop(hw);
 }
 
-