/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
- Copyright(c) 1999 - 2009 Intel Corporation.
+ Copyright(c) 1999 - 2010 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,
static s32 ixgbe_get_copper_link_capabilities_82598(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg);
-static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw);
-static s32 ixgbe_setup_copper_link_speed_82598(struct ixgbe_hw *hw,
- ixgbe_link_speed speed,
- bool autoneg,
- bool autoneg_wait_to_complete);
+static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
+ ixgbe_link_speed speed,
+ bool autoneg,
+ bool autoneg_wait_to_complete);
static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset,
u8 *eeprom_data);
* increase the value to either 10ms to 250ms for capability version 1 config,
* or 16ms to 55ms for version 2.
**/
-void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
+static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw)
{
struct ixgbe_adapter *adapter = hw->back;
u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR);
* not known. Perform the SFP init if necessary.
*
**/
-s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
+static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_phy_info *phy = &hw->phy;
/* Overwrite the link function pointers if copper PHY */
if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
mac->ops.setup_link = &ixgbe_setup_copper_link_82598;
- mac->ops.setup_link_speed =
- &ixgbe_setup_copper_link_speed_82598;
mac->ops.get_link_capabilities =
&ixgbe_get_copper_link_capabilities_82598;
}
* Starts the hardware using the generic start_hw function.
* Then set pcie completion timeout
**/
-s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
+static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
{
s32 ret_val = 0;
break;
case IXGBE_DEV_ID_82598AF_DUAL_PORT:
case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
- case IXGBE_DEV_ID_82598EB_CX4:
- case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
case IXGBE_DEV_ID_82598EB_XF_LR:
case IXGBE_DEV_ID_82598EB_SFP_LOM:
media_type = ixgbe_media_type_fiber;
break;
+ case IXGBE_DEV_ID_82598EB_CX4:
+ case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
+ media_type = ixgbe_media_type_cx4;
+ break;
case IXGBE_DEV_ID_82598AT:
case IXGBE_DEV_ID_82598AT2:
media_type = ixgbe_media_type_copper;
u32 fctrl_reg;
u32 rmcs_reg;
u32 reg;
+ u32 link_speed = 0;
+ bool link_up;
#ifdef CONFIG_DCB
if (hw->fc.requested_mode == ixgbe_fc_pfc)
goto out;
#endif /* CONFIG_DCB */
+ /*
+ * On 82598 having Rx FC on causes resets while doing 1G
+ * so if it's on turn it off once we know link_speed. For
+ * more details see 82598 Specification update.
+ */
+ hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
+ if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
+ switch (hw->fc.requested_mode) {
+ case ixgbe_fc_full:
+ hw->fc.requested_mode = ixgbe_fc_tx_pause;
+ break;
+ case ixgbe_fc_rx_pause:
+ hw->fc.requested_mode = ixgbe_fc_none;
+ break;
+ default:
+ /* no change */
+ break;
+ }
+ }
+
/* Negotiate the fc mode to use */
ret_val = ixgbe_fc_autoneg(hw);
if (ret_val)
#endif /* CONFIG_DCB */
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
- ret_val = -IXGBE_ERR_CONFIG;
+ ret_val = IXGBE_ERR_CONFIG;
goto out;
break;
}
}
/**
- * ixgbe_setup_mac_link_82598 - Configures MAC link settings
+ * ixgbe_start_mac_link_82598 - Configures MAC link settings
* @hw: pointer to hardware structure
*
* Configures link settings based on values in the ixgbe_hw struct.
* Restarts the link. Performs autonegotiation if needed.
**/
-static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw)
+static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
+ bool autoneg_wait_to_complete)
{
u32 autoc_reg;
u32 links_reg;
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
/* Only poll for autoneg to complete if specified to do so */
- if (hw->phy.autoneg_wait_to_complete) {
+ if (autoneg_wait_to_complete) {
if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
IXGBE_AUTOC_LMS_KX4_AN ||
(autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
}
/**
+ * ixgbe_validate_link_ready - Function looks for phy link
+ * @hw: pointer to hardware structure
+ *
+ * Function indicates success when phy link is available. If phy is not ready
+ * within 5 seconds of MAC indicating link, the function returns error.
+ **/
+static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)
+{
+ u32 timeout;
+ u16 an_reg;
+
+ if (hw->device_id != IXGBE_DEV_ID_82598AT2)
+ return 0;
+
+ for (timeout = 0;
+ timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) {
+ hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg);
+
+ if ((an_reg & MDIO_AN_STAT1_COMPLETE) &&
+ (an_reg & MDIO_STAT1_LSTATUS))
+ break;
+
+ msleep(100);
+ }
+
+ if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
+ hw_dbg(hw, "Link was indicated but link is down\n");
+ return IXGBE_ERR_LINK_SETUP;
+ }
+
+ return 0;
+}
+
+/**
* ixgbe_check_mac_link_82598 - Get link/speed status
* @hw: pointer to hardware structure
* @speed: pointer to link speed
else
*speed = IXGBE_LINK_SPEED_1GB_FULL;
+ if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && (*link_up == true) &&
+ (ixgbe_validate_link_ready(hw) != 0))
+ *link_up = false;
+
/* if link is down, zero out the current_mode */
if (*link_up == false) {
hw->fc.current_mode = ixgbe_fc_none;
/**
- * ixgbe_setup_mac_link_speed_82598 - Set MAC link speed
+ * ixgbe_setup_mac_link_82598 - Set MAC link speed
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg: true if auto-negotiation enabled
*
* Set the link speed in the AUTOC register and restarts link.
**/
-static s32 ixgbe_setup_mac_link_speed_82598(struct ixgbe_hw *hw,
+static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
ixgbe_link_speed speed, bool autoneg,
bool autoneg_wait_to_complete)
{
}
if (status == 0) {
- hw->phy.autoneg_wait_to_complete = autoneg_wait_to_complete;
-
/*
* Setup and restart the link based on the new values in
* ixgbe_hw This will write the AUTOC register based on the new
* stored values
*/
- status = ixgbe_setup_mac_link_82598(hw);
+ status = ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
}
return status;
/**
- * ixgbe_setup_copper_link_82598 - Setup copper link settings
- * @hw: pointer to hardware structure
- *
- * Configures link settings based on values in the ixgbe_hw struct.
- * Restarts the link. Performs autonegotiation if needed. Restart
- * phy and wait for autonegotiate to finish. Then synchronize the
- * MAC and PHY.
- **/
-static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw)
-{
- s32 status;
-
- /* Restart autonegotiation on PHY */
- status = hw->phy.ops.setup_link(hw);
-
- /* Set up MAC */
- ixgbe_setup_mac_link_82598(hw);
-
- return status;
-}
-
-/**
- * ixgbe_setup_copper_link_speed_82598 - Set the PHY autoneg advertised field
+ * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg: true if autonegotiation enabled
*
* Sets the link speed in the AUTOC register in the MAC and restarts link.
**/
-static s32 ixgbe_setup_copper_link_speed_82598(struct ixgbe_hw *hw,
+static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg,
bool autoneg_wait_to_complete)
autoneg_wait_to_complete);
/* Set up MAC */
- ixgbe_setup_mac_link_82598(hw);
+ ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete);
return status;
}
.read_analog_reg8 = &ixgbe_read_analog_reg8_82598,
.write_analog_reg8 = &ixgbe_write_analog_reg8_82598,
.setup_link = &ixgbe_setup_mac_link_82598,
- .setup_link_speed = &ixgbe_setup_mac_link_speed_82598,
.check_link = &ixgbe_check_mac_link_82598,
.get_link_capabilities = &ixgbe_get_link_capabilities_82598,
.led_on = &ixgbe_led_on_generic,
static struct ixgbe_eeprom_operations eeprom_ops_82598 = {
.init_params = &ixgbe_init_eeprom_params_generic,
- .read = &ixgbe_read_eeprom_generic,
+ .read = &ixgbe_read_eerd_generic,
.validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
.update_checksum = &ixgbe_update_eeprom_checksum_generic,
};
.setup_link = &ixgbe_setup_phy_link_generic,
.setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
.read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598,
+ .check_overtemp = &ixgbe_tn_check_overtemp,
};
struct ixgbe_info ixgbe_82598_info = {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff