X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fixgbe%2Fbase%2Fixgbe_common.c;h=17db352476e09ff6409c6c23353ce7d036a23f41;hb=56ff555028f4da4c5174a8fdbd8aa63f0611a92d;hp=11cc2f4b330b35c98af5cbe4de72150128e53c33;hpb=44d15731e328918d21e29fe1b44f242c69cdf9fb;p=dpdk.git

diff --git a/drivers/net/ixgbe/base/ixgbe_common.c b/drivers/net/ixgbe/base/ixgbe_common.c
index 11cc2f4b33..17db352476 100644
--- a/drivers/net/ixgbe/base/ixgbe_common.c
+++ b/drivers/net/ixgbe/base/ixgbe_common.c
@@ -134,6 +134,7 @@ s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw)
 
 	/* Flow Control */
 	mac->ops.fc_enable = ixgbe_fc_enable_generic;
+	mac->ops.setup_fc = ixgbe_setup_fc_generic;
 
 	/* Link */
 	mac->ops.get_link_capabilities = NULL;
@@ -184,6 +185,7 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
 		case IXGBE_DEV_ID_X540T:
 		case IXGBE_DEV_ID_X540T1:
 		case IXGBE_DEV_ID_X550T:
+		case IXGBE_DEV_ID_X550EM_X_10G_T:
 			supported = true;
 			break;
 		default:
@@ -200,19 +202,19 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
 }
 
 /**
- *  ixgbe_setup_fc - Set up flow control
+ *  ixgbe_setup_fc_generic - Set up flow control
  *  @hw: pointer to hardware structure
  *
  *  Called at init time to set up flow control.
  **/
-STATIC s32 ixgbe_setup_fc(struct ixgbe_hw *hw)
+s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw)
 {
 	s32 ret_val = IXGBE_SUCCESS;
 	u32 reg = 0, reg_bp = 0;
 	u16 reg_cu = 0;
 	bool locked = false;
 
-	DEBUGFUNC("ixgbe_setup_fc");
+	DEBUGFUNC("ixgbe_setup_fc_generic");
 
 	/* Validate the requested mode */
 	if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
@@ -3140,6 +3142,9 @@ s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
 	DEBUGOUT("GIO Master Disable bit didn't clear - requesting resets\n");
 	hw->mac.flags |= IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
 
+	if (hw->mac.type >= ixgbe_mac_X550)
+		goto out;
+
 	/*
 	 * Before proceeding, make sure that the PCIe block does not have
 	 * transactions pending.
@@ -4908,3 +4913,231 @@ bool ixgbe_mng_enabled(struct ixgbe_hw *hw)
 
 	return true;
 }
+
+/**
+ *  ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed
+ *  @hw: pointer to hardware structure
+ *  @speed: new link speed
+ *  @autoneg_wait_to_complete: true when waiting for completion is needed
+ *
+ *  Set the link speed in the MAC and/or PHY register and restarts link.
+ **/
+s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
+					  ixgbe_link_speed speed,
+					  bool autoneg_wait_to_complete)
+{
+	ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN;
+	ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN;
+	s32 status = IXGBE_SUCCESS;
+	u32 speedcnt = 0;
+	u32 i = 0;
+	bool autoneg, link_up = false;
+
+	DEBUGFUNC("ixgbe_setup_mac_link_multispeed_fiber");
+
+	/* Mask off requested but non-supported speeds */
+	status = ixgbe_get_link_capabilities(hw, &link_speed, &autoneg);
+	if (status != IXGBE_SUCCESS)
+		return status;
+
+	speed &= link_speed;
+
+	/* Try each speed one by one, highest priority first.  We do this in
+	 * software because 10Gb fiber doesn't support speed autonegotiation.
+	 */
+	if (speed & IXGBE_LINK_SPEED_10GB_FULL) {
+		speedcnt++;
+		highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL;
+
+		/* If we already have link at this speed, just jump out */
+		status = ixgbe_check_link(hw, &link_speed, &link_up, false);
+		if (status != IXGBE_SUCCESS)
+			return status;
+
+		if ((link_speed == IXGBE_LINK_SPEED_10GB_FULL) && link_up)
+			goto out;
+
+		/* Set the module link speed */
+		switch (hw->phy.media_type) {
+		case ixgbe_media_type_fiber:
+			ixgbe_set_rate_select_speed(hw,
+						    IXGBE_LINK_SPEED_10GB_FULL);
+			break;
+		case ixgbe_media_type_fiber_qsfp:
+			/* QSFP module automatically detects MAC link speed */
+			break;
+		default:
+			DEBUGOUT("Unexpected media type.\n");
+			break;
+		}
+
+		/* Allow module to change analog characteristics (1G->10G) */
+		msec_delay(40);
+
+		status = ixgbe_setup_mac_link(hw,
+					      IXGBE_LINK_SPEED_10GB_FULL,
+					      autoneg_wait_to_complete);
+		if (status != IXGBE_SUCCESS)
+			return status;
+
+		/* Flap the Tx laser if it has not already been done */
+		ixgbe_flap_tx_laser(hw);
+
+		/* Wait for the controller to acquire link.  Per IEEE 802.3ap,
+		 * Section 73.10.2, we may have to wait up to 500ms if KR is
+		 * attempted.  82599 uses the same timing for 10g SFI.
+		 */
+		for (i = 0; i < 5; i++) {
+			/* Wait for the link partner to also set speed */
+			msec_delay(100);
+
+			/* If we have link, just jump out */
+			status = ixgbe_check_link(hw, &link_speed,
+						  &link_up, false);
+			if (status != IXGBE_SUCCESS)
+				return status;
+
+			if (link_up)
+				goto out;
+		}
+	}
+
+	if (speed & IXGBE_LINK_SPEED_1GB_FULL) {
+		speedcnt++;
+		if (highest_link_speed == IXGBE_LINK_SPEED_UNKNOWN)
+			highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL;
+
+		/* If we already have link at this speed, just jump out */
+		status = ixgbe_check_link(hw, &link_speed, &link_up, false);
+		if (status != IXGBE_SUCCESS)
+			return status;
+
+		if ((link_speed == IXGBE_LINK_SPEED_1GB_FULL) && link_up)
+			goto out;
+
+		/* Set the module link speed */
+		switch (hw->phy.media_type) {
+		case ixgbe_media_type_fiber:
+			ixgbe_set_rate_select_speed(hw,
+						    IXGBE_LINK_SPEED_1GB_FULL);
+			break;
+		case ixgbe_media_type_fiber_qsfp:
+			/* QSFP module automatically detects link speed */
+			break;
+		default:
+			DEBUGOUT("Unexpected media type.\n");
+			break;
+		}
+
+		/* Allow module to change analog characteristics (10G->1G) */
+		msec_delay(40);
+
+		status = ixgbe_setup_mac_link(hw,
+					      IXGBE_LINK_SPEED_1GB_FULL,
+					      autoneg_wait_to_complete);
+		if (status != IXGBE_SUCCESS)
+			return status;
+
+		/* Flap the Tx laser if it has not already been done */
+		ixgbe_flap_tx_laser(hw);
+
+		/* Wait for the link partner to also set speed */
+		msec_delay(100);
+
+		/* If we have link, just jump out */
+		status = ixgbe_check_link(hw, &link_speed, &link_up, false);
+		if (status != IXGBE_SUCCESS)
+			return status;
+
+		if (link_up)
+			goto out;
+	}
+
+	/* We didn't get link.  Configure back to the highest speed we tried,
+	 * (if there was more than one).  We call ourselves back with just the
+	 * single highest speed that the user requested.
+	 */
+	if (speedcnt > 1)
+		status = ixgbe_setup_mac_link_multispeed_fiber(hw,
+						      highest_link_speed,
+						      autoneg_wait_to_complete);
+
+out:
+	/* Set autoneg_advertised value based on input link speed */
+	hw->phy.autoneg_advertised = 0;
+
+	if (speed & IXGBE_LINK_SPEED_10GB_FULL)
+		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL;
+
+	if (speed & IXGBE_LINK_SPEED_1GB_FULL)
+		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL;
+
+	return status;
+}
+
+/**
+ *  ixgbe_set_soft_rate_select_speed - Set module link speed
+ *  @hw: pointer to hardware structure
+ *  @speed: link speed to set
+ *
+ *  Set module link speed via the soft rate select.
+ */
+void ixgbe_set_soft_rate_select_speed(struct ixgbe_hw *hw,
+					ixgbe_link_speed speed)
+{
+	s32 status;
+	u8 rs, eeprom_data;
+
+	switch (speed) {
+	case IXGBE_LINK_SPEED_10GB_FULL:
+		/* one bit mask same as setting on */
+		rs = IXGBE_SFF_SOFT_RS_SELECT_10G;
+		break;
+	case IXGBE_LINK_SPEED_1GB_FULL:
+		rs = IXGBE_SFF_SOFT_RS_SELECT_1G;
+		break;
+	default:
+		DEBUGOUT("Invalid fixed module speed\n");
+		return;
+	}
+
+	/* Set RS0 */
+	status = hw->phy.ops.read_i2c_byte(hw, IXGBE_SFF_SFF_8472_OSCB,
+					   IXGBE_I2C_EEPROM_DEV_ADDR2,
+					   &eeprom_data);
+	if (status) {
+		DEBUGOUT("Failed to read Rx Rate Select RS0\n");
+		goto out;
+	}
+
+	eeprom_data = (eeprom_data & ~IXGBE_SFF_SOFT_RS_SELECT_MASK) | rs;
+
+	status = hw->phy.ops.write_i2c_byte(hw, IXGBE_SFF_SFF_8472_OSCB,
+					    IXGBE_I2C_EEPROM_DEV_ADDR2,
+					    eeprom_data);
+	if (status) {
+		DEBUGOUT("Failed to write Rx Rate Select RS0\n");
+		goto out;
+	}
+
+	/* Set RS1 */
+	status = hw->phy.ops.read_i2c_byte(hw, IXGBE_SFF_SFF_8472_ESCB,
+					   IXGBE_I2C_EEPROM_DEV_ADDR2,
+					   &eeprom_data);
+	if (status) {
+		DEBUGOUT("Failed to read Rx Rate Select RS1\n");
+		goto out;
+	}
+
+	eeprom_data = (eeprom_data & ~IXGBE_SFF_SOFT_RS_SELECT_MASK) | rs;
+
+	status = hw->phy.ops.write_i2c_byte(hw, IXGBE_SFF_SFF_8472_ESCB,
+					    IXGBE_I2C_EEPROM_DEV_ADDR2,
+					    eeprom_data);
+	if (status) {
+		DEBUGOUT("Failed to write Rx Rate Select RS1\n");
+		goto out;
+	}
+out:
+	return;
+}