/**
*/
static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+
+ /* Call PHY identify routine to get the phy type */
+ ixgbe_identify_phy_generic(hw);
+
+ mac->mcft_size = IXGBE_82598_MC_TBL_SIZE;
+ mac->vft_size = IXGBE_82598_VFT_TBL_SIZE;
+ mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES;
+ mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES;
+ mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES;
+ mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82598(hw);
+
+ return 0;
+}
+
+/**
+ * ixgbe_init_phy_ops_82598 - PHY/SFP specific init
+ * @hw: pointer to hardware structure
+ *
+ * Initialize any function pointers that were not able to be
+ * set during get_invariants because the PHY/SFP type was
+ * not known. Perform the SFP init if necessary.
+ *
+ **/
+s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_phy_info *phy = &hw->phy;
s32 ret_val = 0;
u16 list_offset, data_offset;
- /* Set the bus information prior to PHY identification */
- mac->ops.get_bus_info(hw);
+ /* Identify the PHY */
+ phy->ops.identify(hw);
- /* Call PHY identify routine to get the phy type */
- ixgbe_identify_phy_generic(hw);
+ /* 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;
+ }
- /* PHY Init */
- switch (phy->type) {
+ switch (hw->phy.type) {
case ixgbe_phy_tn:
phy->ops.check_link = &ixgbe_check_phy_link_tnx;
phy->ops.get_firmware_version =
/* Check to see if SFP+ module is supported */
ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
- &list_offset,
- &data_offset);
+ &list_offset,
+ &data_offset);
if (ret_val != 0) {
ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED;
goto out;
break;
}
- 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;
- }
-
- mac->mcft_size = IXGBE_82598_MC_TBL_SIZE;
- mac->vft_size = IXGBE_82598_VFT_TBL_SIZE;
- mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES;
- mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES;
- mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES;
- mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82598(hw);
-
out:
return ret_val;
}
bool *autoneg)
{
s32 status = 0;
+ u32 autoc = 0;
/*
* Determine link capabilities based on the stored value of AUTOC,
- * which represents EEPROM defaults.
+ * which represents EEPROM defaults. If AUTOC value has not been
+ * stored, use the current register value.
*/
- switch (hw->mac.orig_autoc & IXGBE_AUTOC_LMS_MASK) {
+ if (hw->mac.orig_link_settings_stored)
+ autoc = hw->mac.orig_autoc;
+ else
+ autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+
+ switch (autoc & IXGBE_AUTOC_LMS_MASK) {
case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
*speed = IXGBE_LINK_SPEED_1GB_FULL;
*autoneg = false;
case IXGBE_AUTOC_LMS_KX4_AN:
case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
*speed = IXGBE_LINK_SPEED_UNKNOWN;
- if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
+ if (autoc & IXGBE_AUTOC_KX4_SUPP)
*speed |= IXGBE_LINK_SPEED_10GB_FULL;
- if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
+ if (autoc & IXGBE_AUTOC_KX_SUPP)
*speed |= IXGBE_LINK_SPEED_1GB_FULL;
*autoneg = true;
break;
*speed = 0;
*autoneg = true;
- status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_SPEED_ABILITY,
- IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
&speed_ability);
if (status == 0) {
- if (speed_ability & IXGBE_MDIO_PHY_SPEED_10G)
+ if (speed_ability & MDIO_SPEED_10G)
*speed |= IXGBE_LINK_SPEED_10GB_FULL;
- if (speed_ability & IXGBE_MDIO_PHY_SPEED_1G)
+ if (speed_ability & MDIO_PMA_SPEED_1000)
*speed |= IXGBE_LINK_SPEED_1GB_FULL;
}
u32 rmcs_reg;
u32 reg;
+#ifdef CONFIG_DCB
+ if (hw->fc.requested_mode == ixgbe_fc_pfc)
+ goto out;
+
+#endif /* CONFIG_DCB */
+ /* Negotiate the fc mode to use */
+ ret_val = ixgbe_fc_autoneg(hw);
+ if (ret_val)
+ goto out;
+
+ /* Disable any previous flow control settings */
fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
* 0: Flow control is completely disabled
* 1: Rx flow control is enabled (we can receive pause frames,
* but not send pause frames).
- * 2: Tx flow control is enabled (we can send pause frames but
+ * 2: Tx flow control is enabled (we can send pause frames but
* we do not support receiving pause frames).
* 3: Both Rx and Tx flow control (symmetric) are enabled.
* other: Invalid.
+#ifdef CONFIG_DCB
+ * 4: Priority Flow Control is enabled.
+#endif
*/
switch (hw->fc.current_mode) {
case ixgbe_fc_none:
- /* Flow control completely disabled by software override. */
+ /*
+ * Flow control is disabled by software override or autoneg.
+ * The code below will actually disable it in the HW.
+ */
break;
case ixgbe_fc_rx_pause:
/*
fctrl_reg |= IXGBE_FCTRL_RFCE;
rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
break;
+#ifdef CONFIG_DCB
+ case ixgbe_fc_pfc:
+ goto out;
+ break;
+#endif /* CONFIG_DCB */
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
ret_val = -IXGBE_ERR_CONFIG;
break;
}
- /* Enable 802.3x based flow control settings. */
+ /* Set 802.3x based flow control settings. */
+ fctrl_reg |= IXGBE_FCTRL_DPF;
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg);
IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
}
/* Configure pause time (2 TCs per register) */
- reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num));
+ reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num / 2));
if ((packetbuf_num & 1) == 0)
reg = (reg & 0xFFFF0000) | hw->fc.pause_time;
else
return ret_val;
}
-/**
- * ixgbe_setup_fc_82598 - Configure flow control settings
- * @hw: pointer to hardware structure
- * @packetbuf_num: packet buffer number (0-7)
- *
- * Configures the flow control settings based on SW configuration. This
- * function is used for 802.3x flow control configuration only.
- **/
-static s32 ixgbe_setup_fc_82598(struct ixgbe_hw *hw, s32 packetbuf_num)
-{
- s32 ret_val = 0;
- ixgbe_link_speed speed;
- bool link_up;
-
- /* Validate the packetbuf configuration */
- if (packetbuf_num < 0 || packetbuf_num > 7) {
- hw_dbg(hw, "Invalid packet buffer number [%d], expected range is"
- " 0-7\n", packetbuf_num);
- ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
- goto out;
- }
-
- /*
- * Validate the water mark configuration. Zero water marks are invalid
- * because it causes the controller to just blast out fc packets.
- */
- if (!hw->fc.low_water || !hw->fc.high_water || !hw->fc.pause_time) {
- hw_dbg(hw, "Invalid water mark configuration\n");
- ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
- goto out;
- }
-
- /*
- * Validate the requested mode. Strict IEEE mode does not allow
- * ixgbe_fc_rx_pause because it will cause testing anomalies.
- */
- if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
- hw_dbg(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
- ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
- goto out;
- }
-
- /*
- * 10gig parts do not have a word in the EEPROM to determine the
- * default flow control setting, so we explicitly set it to full.
- */
- if (hw->fc.requested_mode == ixgbe_fc_default)
- hw->fc.requested_mode = ixgbe_fc_full;
-
- /*
- * Save off the requested flow control mode for use later. Depending
- * on the link partner's capabilities, we may or may not use this mode.
- */
-
- hw->fc.current_mode = hw->fc.requested_mode;
-
- /* Decide whether to use autoneg or not. */
- hw->mac.ops.check_link(hw, &speed, &link_up, false);
- if (!hw->fc.disable_fc_autoneg && hw->phy.multispeed_fiber &&
- (speed == IXGBE_LINK_SPEED_1GB_FULL))
- ret_val = ixgbe_fc_autoneg(hw);
-
- if (ret_val)
- goto out;
-
- ret_val = ixgbe_fc_enable_82598(hw, packetbuf_num);
-
-out:
- return ret_val;
-}
-
/**
* ixgbe_setup_mac_link_82598 - Configures MAC link settings
* @hw: pointer to hardware structure
}
}
- /*
- * We want to save off the original Flow Control configuration just in
- * case we get disconnected and then reconnected into a different hub
- * or switch with different Flow Control capabilities.
- */
- ixgbe_setup_fc_82598(hw, 0);
-
/* Add delay to filter out noises during initial link setup */
msleep(50);
* clear indicates active; set indicates inactive.
*/
if (hw->phy.type == ixgbe_phy_nl) {
- hw->phy.ops.read_reg(hw, 0xC79F, IXGBE_TWINAX_DEV, &link_reg);
- hw->phy.ops.read_reg(hw, 0xC79F, IXGBE_TWINAX_DEV, &link_reg);
- hw->phy.ops.read_reg(hw, 0xC00C, IXGBE_TWINAX_DEV,
+ hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
+ hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg);
+ hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD,
&adapt_comp_reg);
if (link_up_wait_to_complete) {
for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
}
msleep(100);
hw->phy.ops.read_reg(hw, 0xC79F,
- IXGBE_TWINAX_DEV,
+ MDIO_MMD_PMAPMD,
&link_reg);
hw->phy.ops.read_reg(hw, 0xC00C,
- IXGBE_TWINAX_DEV,
+ MDIO_MMD_PMAPMD,
&adapt_comp_reg);
}
} else {
else
*speed = IXGBE_LINK_SPEED_1GB_FULL;
+ /* if link is down, zero out the current_mode */
+ if (*link_up == false) {
+ hw->fc.current_mode = ixgbe_fc_none;
+ hw->fc.fc_was_autonegged = false;
+ }
out:
return 0;
}
static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
{
s32 status = 0;
+ s32 phy_status = 0;
u32 ctrl;
u32 gheccr;
u32 i;
}
/* Reset PHY */
- if (hw->phy.reset_disable == false)
+ if (hw->phy.reset_disable == false) {
+ /* PHY ops must be identified and initialized prior to reset */
+
+ /* Init PHY and function pointers, perform SFP setup */
+ phy_status = hw->phy.ops.init(hw);
+ if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ goto reset_hw_out;
+ else if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
+ goto no_phy_reset;
+
+
hw->phy.ops.reset(hw);
+ }
+no_phy_reset:
/*
* Prevent the PCI-E bus from from hanging by disabling PCI-E master
* access and verify no pending requests before reset
*/
- if (ixgbe_disable_pcie_master(hw) != 0) {
+ status = ixgbe_disable_pcie_master(hw);
+ if (status != 0) {
status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
}
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc);
}
+ /*
+ * Store MAC address from RAR0, clear receive address registers, and
+ * clear the multicast table
+ */
+ hw->mac.ops.init_rx_addrs(hw);
+
/* Store the permanent mac address */
hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
+reset_hw_out:
+ if (phy_status)
+ status = phy_status;
+
return status;
}
sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK);
hw->phy.ops.write_reg(hw,
IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR,
- IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ MDIO_MMD_PMAPMD,
sfp_addr);
/* Poll status */
for (i = 0; i < 100; i++) {
hw->phy.ops.read_reg(hw,
IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT,
- IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ MDIO_MMD_PMAPMD,
&sfp_stat);
sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK;
if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS)
/* Read data */
hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA,
- IXGBE_MDIO_PMA_PMD_DEV_TYPE, &sfp_data);
+ MDIO_MMD_PMAPMD, &sfp_data);
*eeprom_data = (u8)(sfp_data >> 8);
} else {
static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
{
u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+ u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ u32 pma_pmd_10g = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK;
+ u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
+ u16 ext_ability = 0;
+
+ hw->phy.ops.identify(hw);
+
+ /* Copper PHY must be checked before AUTOC LMS to determine correct
+ * physical layer because 10GBase-T PHYs use LMS = KX4/KX */
+ if (hw->phy.type == ixgbe_phy_tn ||
+ hw->phy.type == ixgbe_phy_cu_unknown) {
+ hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, MDIO_MMD_PMAPMD,
+ &ext_ability);
+ if (ext_ability & MDIO_PMA_EXTABLE_10GBT)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
+ if (ext_ability & MDIO_PMA_EXTABLE_1000BT)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
+ if (ext_ability & MDIO_PMA_EXTABLE_100BTX)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
+ goto out;
+ }
- switch (hw->device_id) {
- case IXGBE_DEV_ID_82598:
- /* Default device ID is mezzanine card KX/KX4 */
- physical_layer = (IXGBE_PHYSICAL_LAYER_10GBASE_KX4 |
- IXGBE_PHYSICAL_LAYER_1000BASE_KX);
- break;
- case IXGBE_DEV_ID_82598_BX:
- physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_BX;
- case IXGBE_DEV_ID_82598EB_CX4:
- case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
- physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4;
- break;
- case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
- physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
+ switch (autoc & IXGBE_AUTOC_LMS_MASK) {
+ case IXGBE_AUTOC_LMS_1G_AN:
+ case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
+ if (pma_pmd_1g == IXGBE_AUTOC_1G_KX)
+ physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX;
+ else
+ physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_BX;
break;
- case IXGBE_DEV_ID_82598AF_DUAL_PORT:
- case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
- case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
- physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
+ case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
+ if (pma_pmd_10g == IXGBE_AUTOC_10G_CX4)
+ physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4;
+ else if (pma_pmd_10g == IXGBE_AUTOC_10G_KX4)
+ physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
+ else /* XAUI */
+ physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
break;
- case IXGBE_DEV_ID_82598EB_XF_LR:
- physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
+ case IXGBE_AUTOC_LMS_KX4_AN:
+ case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
+ if (autoc & IXGBE_AUTOC_KX_SUPP)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX;
+ if (autoc & IXGBE_AUTOC_KX4_SUPP)
+ physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4;
break;
- case IXGBE_DEV_ID_82598AT:
- physical_layer = (IXGBE_PHYSICAL_LAYER_10GBASE_T |
- IXGBE_PHYSICAL_LAYER_1000BASE_T);
+ default:
break;
- case IXGBE_DEV_ID_82598EB_SFP_LOM:
+ }
+
+ if (hw->phy.type == ixgbe_phy_nl) {
hw->phy.ops.identify_sfp(hw);
switch (hw->phy.sfp_type) {
physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
break;
}
- break;
+ }
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
+ physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
+ break;
+ case IXGBE_DEV_ID_82598AF_DUAL_PORT:
+ case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
+ case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
+ physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
+ break;
+ case IXGBE_DEV_ID_82598EB_XF_LR:
+ physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
+ break;
default:
- physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
break;
}
+out:
return physical_layer;
}
.disable_mc = &ixgbe_disable_mc_generic,
.clear_vfta = &ixgbe_clear_vfta_82598,
.set_vfta = &ixgbe_set_vfta_82598,
- .setup_fc = &ixgbe_setup_fc_82598,
+ .fc_enable = &ixgbe_fc_enable_82598,
};
static struct ixgbe_eeprom_operations eeprom_ops_82598 = {
static struct ixgbe_phy_operations phy_ops_82598 = {
.identify = &ixgbe_identify_phy_generic,
.identify_sfp = &ixgbe_identify_sfp_module_generic,
+ .init = &ixgbe_init_phy_ops_82598,
.reset = &ixgbe_reset_phy_generic,
.read_reg = &ixgbe_read_phy_reg_generic,
.write_reg = &ixgbe_write_phy_reg_generic,
projects / deliverable / linux.git / blobdiff