![Jesse Brandeburg](/assets/img/avatar_default.png)
Cleanup a bit of whitespace, add some function header comments, and fix a few comments around the driver. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Acked-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
1293 lines
39 KiB
C
1293 lines
39 KiB
C
/*******************************************************************************
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Intel 10 Gigabit PCI Express Linux driver
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Copyright(c) 1999 - 2009 Intel Corporation.
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Contact Information:
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e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#include <linux/pci.h>
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#include <linux/delay.h>
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#include <linux/sched.h>
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#include "ixgbe.h"
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#include "ixgbe_phy.h"
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#define IXGBE_82599_MAX_TX_QUEUES 128
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#define IXGBE_82599_MAX_RX_QUEUES 128
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#define IXGBE_82599_RAR_ENTRIES 128
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#define IXGBE_82599_MC_TBL_SIZE 128
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#define IXGBE_82599_VFT_TBL_SIZE 128
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s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
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ixgbe_link_speed *speed,
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bool *autoneg);
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enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw);
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s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw);
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s32 ixgbe_setup_mac_link_speed_multispeed_fiber(struct ixgbe_hw *hw,
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ixgbe_link_speed speed, bool autoneg,
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bool autoneg_wait_to_complete);
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s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw);
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s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw,
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ixgbe_link_speed *speed,
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bool *link_up, bool link_up_wait_to_complete);
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s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw,
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ixgbe_link_speed speed,
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bool autoneg,
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bool autoneg_wait_to_complete);
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static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
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ixgbe_link_speed *speed,
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bool *autoneg);
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static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw);
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static s32 ixgbe_setup_copper_link_speed_82599(struct ixgbe_hw *hw,
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ixgbe_link_speed speed,
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bool autoneg,
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bool autoneg_wait_to_complete);
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s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw);
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s32 ixgbe_set_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
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s32 ixgbe_clear_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
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s32 ixgbe_set_vfta_82599(struct ixgbe_hw *hw, u32 vlan,
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u32 vind, bool vlan_on);
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s32 ixgbe_clear_vfta_82599(struct ixgbe_hw *hw);
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s32 ixgbe_blink_led_stop_82599(struct ixgbe_hw *hw, u32 index);
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s32 ixgbe_blink_led_start_82599(struct ixgbe_hw *hw, u32 index);
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s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw);
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s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val);
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s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val);
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s32 ixgbe_start_hw_rev_0_82599(struct ixgbe_hw *hw);
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s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw);
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s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw);
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u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw);
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void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
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{
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struct ixgbe_mac_info *mac = &hw->mac;
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if (hw->phy.multispeed_fiber) {
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/* Set up dual speed SFP+ support */
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mac->ops.setup_link =
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&ixgbe_setup_mac_link_multispeed_fiber;
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mac->ops.setup_link_speed =
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&ixgbe_setup_mac_link_speed_multispeed_fiber;
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} else {
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mac->ops.setup_link =
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&ixgbe_setup_mac_link_82599;
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mac->ops.setup_link_speed =
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&ixgbe_setup_mac_link_speed_82599;
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}
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}
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s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
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{
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s32 ret_val = 0;
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u16 list_offset, data_offset, data_value;
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if (hw->phy.sfp_type != ixgbe_sfp_type_unknown) {
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ixgbe_init_mac_link_ops_82599(hw);
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ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset,
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&data_offset);
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if (ret_val != 0)
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goto setup_sfp_out;
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hw->eeprom.ops.read(hw, ++data_offset, &data_value);
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while (data_value != 0xffff) {
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IXGBE_WRITE_REG(hw, IXGBE_CORECTL, data_value);
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IXGBE_WRITE_FLUSH(hw);
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hw->eeprom.ops.read(hw, ++data_offset, &data_value);
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}
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/* Now restart DSP */
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IXGBE_WRITE_REG(hw, IXGBE_CORECTL, 0x00000102);
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IXGBE_WRITE_REG(hw, IXGBE_CORECTL, 0x00000b1d);
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IXGBE_WRITE_FLUSH(hw);
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}
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setup_sfp_out:
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return ret_val;
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}
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/**
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* ixgbe_get_pcie_msix_count_82599 - Gets MSI-X vector count
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* @hw: pointer to hardware structure
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*
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* Read PCIe configuration space, and get the MSI-X vector count from
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* the capabilities table.
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**/
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u32 ixgbe_get_pcie_msix_count_82599(struct ixgbe_hw *hw)
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{
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struct ixgbe_adapter *adapter = hw->back;
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u16 msix_count;
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pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82599_CAPS,
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&msix_count);
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msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
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/* MSI-X count is zero-based in HW, so increment to give proper value */
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msix_count++;
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return msix_count;
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}
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static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw)
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{
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struct ixgbe_mac_info *mac = &hw->mac;
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struct ixgbe_phy_info *phy = &hw->phy;
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s32 ret_val;
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/* Set the bus information prior to PHY identification */
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mac->ops.get_bus_info(hw);
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/* Call PHY identify routine to get the Cu or SFI phy type */
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ret_val = phy->ops.identify(hw);
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if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
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goto get_invariants_out;
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ixgbe_init_mac_link_ops_82599(hw);
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/* Setup SFP module if there is one present. */
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ret_val = mac->ops.setup_sfp(hw);
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/* If copper media, overwrite with copper function pointers */
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if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
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mac->ops.setup_link = &ixgbe_setup_copper_link_82599;
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mac->ops.setup_link_speed =
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&ixgbe_setup_copper_link_speed_82599;
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mac->ops.get_link_capabilities =
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&ixgbe_get_copper_link_capabilities_82599;
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}
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/* PHY Init */
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switch (hw->phy.type) {
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case ixgbe_phy_tn:
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phy->ops.check_link = &ixgbe_check_phy_link_tnx;
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phy->ops.get_firmware_version =
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&ixgbe_get_phy_firmware_version_tnx;
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break;
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default:
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break;
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}
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mac->mcft_size = IXGBE_82599_MC_TBL_SIZE;
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mac->vft_size = IXGBE_82599_VFT_TBL_SIZE;
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mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES;
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mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES;
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mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES;
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mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82599(hw);
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get_invariants_out:
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return ret_val;
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}
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/**
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* ixgbe_get_link_capabilities_82599 - Determines link capabilities
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* @hw: pointer to hardware structure
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* @speed: pointer to link speed
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* @negotiation: true when autoneg or autotry is enabled
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*
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* Determines the link capabilities by reading the AUTOC register.
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**/
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s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
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ixgbe_link_speed *speed,
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bool *negotiation)
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{
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s32 status = 0;
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switch (hw->mac.orig_autoc & IXGBE_AUTOC_LMS_MASK) {
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case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
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*speed = IXGBE_LINK_SPEED_1GB_FULL;
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*negotiation = false;
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break;
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case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
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*speed = IXGBE_LINK_SPEED_10GB_FULL;
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*negotiation = false;
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break;
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case IXGBE_AUTOC_LMS_1G_AN:
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*speed = IXGBE_LINK_SPEED_1GB_FULL;
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*negotiation = true;
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break;
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case IXGBE_AUTOC_LMS_10G_SERIAL:
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*speed = IXGBE_LINK_SPEED_10GB_FULL;
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*negotiation = false;
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break;
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case IXGBE_AUTOC_LMS_KX4_KX_KR:
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case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN:
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*speed = IXGBE_LINK_SPEED_UNKNOWN;
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if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
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*speed |= IXGBE_LINK_SPEED_10GB_FULL;
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if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
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*speed |= IXGBE_LINK_SPEED_10GB_FULL;
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if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
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*speed |= IXGBE_LINK_SPEED_1GB_FULL;
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*negotiation = true;
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break;
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case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII:
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*speed = IXGBE_LINK_SPEED_100_FULL;
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if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
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*speed |= IXGBE_LINK_SPEED_10GB_FULL;
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if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
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*speed |= IXGBE_LINK_SPEED_10GB_FULL;
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if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
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*speed |= IXGBE_LINK_SPEED_1GB_FULL;
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*negotiation = true;
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break;
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case IXGBE_AUTOC_LMS_SGMII_1G_100M:
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*speed = IXGBE_LINK_SPEED_1GB_FULL | IXGBE_LINK_SPEED_100_FULL;
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*negotiation = false;
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break;
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default:
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status = IXGBE_ERR_LINK_SETUP;
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goto out;
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break;
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}
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if (hw->phy.multispeed_fiber) {
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*speed |= IXGBE_LINK_SPEED_10GB_FULL |
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IXGBE_LINK_SPEED_1GB_FULL;
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*negotiation = true;
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}
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out:
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return status;
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}
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/**
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* ixgbe_get_copper_link_capabilities_82599 - Determines link capabilities
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* @hw: pointer to hardware structure
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* @speed: pointer to link speed
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* @autoneg: boolean auto-negotiation value
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*
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* Determines the link capabilities by reading the AUTOC register.
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**/
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static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
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ixgbe_link_speed *speed,
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bool *autoneg)
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{
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s32 status = IXGBE_ERR_LINK_SETUP;
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u16 speed_ability;
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*speed = 0;
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*autoneg = true;
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status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_SPEED_ABILITY,
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IXGBE_MDIO_PMA_PMD_DEV_TYPE,
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&speed_ability);
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if (status == 0) {
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if (speed_ability & IXGBE_MDIO_PHY_SPEED_10G)
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*speed |= IXGBE_LINK_SPEED_10GB_FULL;
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if (speed_ability & IXGBE_MDIO_PHY_SPEED_1G)
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*speed |= IXGBE_LINK_SPEED_1GB_FULL;
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}
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return status;
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}
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/**
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* ixgbe_get_media_type_82599 - Get media type
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* @hw: pointer to hardware structure
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*
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* Returns the media type (fiber, copper, backplane)
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**/
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enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw)
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{
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enum ixgbe_media_type media_type;
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/* Detect if there is a copper PHY attached. */
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if (hw->phy.type == ixgbe_phy_cu_unknown ||
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hw->phy.type == ixgbe_phy_tn) {
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media_type = ixgbe_media_type_copper;
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goto out;
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}
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switch (hw->device_id) {
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case IXGBE_DEV_ID_82599:
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case IXGBE_DEV_ID_82599_KX4:
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/* Default device ID is mezzanine card KX/KX4 */
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media_type = ixgbe_media_type_backplane;
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break;
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case IXGBE_DEV_ID_82599_SFP:
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media_type = ixgbe_media_type_fiber;
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break;
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default:
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media_type = ixgbe_media_type_unknown;
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break;
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}
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out:
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return media_type;
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}
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/**
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* ixgbe_setup_mac_link_82599 - Setup MAC link settings
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* @hw: pointer to hardware structure
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*
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* Configures link settings based on values in the ixgbe_hw struct.
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* Restarts the link. Performs autonegotiation if needed.
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**/
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s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw)
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{
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u32 autoc_reg;
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u32 links_reg;
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u32 i;
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s32 status = 0;
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/* Restart link */
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autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
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autoc_reg |= IXGBE_AUTOC_AN_RESTART;
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IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
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/* Only poll for autoneg to complete if specified to do so */
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if (hw->phy.autoneg_wait_to_complete) {
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if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
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IXGBE_AUTOC_LMS_KX4_KX_KR ||
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(autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
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IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
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(autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
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IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
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links_reg = 0; /* Just in case Autoneg time = 0 */
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for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
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links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
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if (links_reg & IXGBE_LINKS_KX_AN_COMP)
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break;
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msleep(100);
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}
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if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
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status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
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hw_dbg(hw, "Autoneg did not complete.\n");
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}
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}
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}
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/* Set up flow control */
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status = ixgbe_setup_fc_generic(hw, 0);
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/* Add delay to filter out noises during initial link setup */
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msleep(50);
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return status;
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}
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/**
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* ixgbe_setup_mac_link_multispeed_fiber - Setup MAC link settings
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* @hw: pointer to hardware structure
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*
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* Configures link settings based on values in the ixgbe_hw struct.
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* Restarts the link for multi-speed fiber at 1G speed, if link
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* fails at 10G.
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* Performs autonegotiation if needed.
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**/
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s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw)
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{
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s32 status = 0;
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ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_82599_AUTONEG;
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status = ixgbe_setup_mac_link_speed_multispeed_fiber(hw, link_speed,
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true, true);
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return status;
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}
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/**
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* ixgbe_setup_mac_link_speed_multispeed_fiber - Set MAC link speed
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* @hw: pointer to hardware structure
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* @speed: new link speed
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* @autoneg: true if autonegotiation enabled
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* @autoneg_wait_to_complete: true when waiting for completion is needed
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*
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* Set the link speed in the AUTOC register and restarts link.
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**/
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s32 ixgbe_setup_mac_link_speed_multispeed_fiber(struct ixgbe_hw *hw,
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ixgbe_link_speed speed,
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bool autoneg,
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bool autoneg_wait_to_complete)
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{
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s32 status = 0;
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ixgbe_link_speed phy_link_speed;
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ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN;
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u32 speedcnt = 0;
|
|
u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
|
|
bool link_up = false;
|
|
bool negotiation;
|
|
|
|
/* Mask off requested but non-supported speeds */
|
|
hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation);
|
|
speed &= phy_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;
|
|
|
|
/* Set hardware SDP's */
|
|
esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
|
|
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
|
|
|
|
ixgbe_setup_mac_link_speed_82599(hw,
|
|
IXGBE_LINK_SPEED_10GB_FULL,
|
|
autoneg,
|
|
autoneg_wait_to_complete);
|
|
|
|
msleep(50);
|
|
|
|
/* If we have link, just jump out */
|
|
hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
|
|
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;
|
|
|
|
/* Set hardware SDP's */
|
|
esdp_reg &= ~IXGBE_ESDP_SDP5;
|
|
esdp_reg |= IXGBE_ESDP_SDP5_DIR;
|
|
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
|
|
|
|
ixgbe_setup_mac_link_speed_82599(
|
|
hw, IXGBE_LINK_SPEED_1GB_FULL, autoneg,
|
|
autoneg_wait_to_complete);
|
|
|
|
msleep(50);
|
|
|
|
/* If we have link, just jump out */
|
|
hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
|
|
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_speed_multispeed_fiber(hw,
|
|
highest_link_speed,
|
|
autoneg,
|
|
autoneg_wait_to_complete);
|
|
|
|
out:
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_check_mac_link_82599 - Determine link and speed status
|
|
* @hw: pointer to hardware structure
|
|
* @speed: pointer to link speed
|
|
* @link_up: true when link is up
|
|
* @link_up_wait_to_complete: bool used to wait for link up or not
|
|
*
|
|
* Reads the links register to determine if link is up and the current speed
|
|
**/
|
|
s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
|
|
bool *link_up, bool link_up_wait_to_complete)
|
|
{
|
|
u32 links_reg;
|
|
u32 i;
|
|
|
|
links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
|
|
if (link_up_wait_to_complete) {
|
|
for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
|
|
if (links_reg & IXGBE_LINKS_UP) {
|
|
*link_up = true;
|
|
break;
|
|
} else {
|
|
*link_up = false;
|
|
}
|
|
msleep(100);
|
|
links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
|
|
}
|
|
} else {
|
|
if (links_reg & IXGBE_LINKS_UP)
|
|
*link_up = true;
|
|
else
|
|
*link_up = false;
|
|
}
|
|
|
|
if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
|
|
IXGBE_LINKS_SPEED_10G_82599)
|
|
*speed = IXGBE_LINK_SPEED_10GB_FULL;
|
|
else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
|
|
IXGBE_LINKS_SPEED_1G_82599)
|
|
*speed = IXGBE_LINK_SPEED_1GB_FULL;
|
|
else
|
|
*speed = IXGBE_LINK_SPEED_100_FULL;
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_setup_mac_link_speed_82599 - Set MAC link speed
|
|
* @hw: pointer to hardware structure
|
|
* @speed: new link speed
|
|
* @autoneg: true if autonegotiation enabled
|
|
* @autoneg_wait_to_complete: true when waiting for completion is needed
|
|
*
|
|
* Set the link speed in the AUTOC register and restarts link.
|
|
**/
|
|
s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw,
|
|
ixgbe_link_speed speed, bool autoneg,
|
|
bool autoneg_wait_to_complete)
|
|
{
|
|
s32 status = 0;
|
|
u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
|
|
u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
|
|
u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
|
|
u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
|
|
u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK;
|
|
u32 links_reg;
|
|
u32 i;
|
|
ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
|
|
|
|
/* Check to see if speed passed in is supported. */
|
|
hw->mac.ops.get_link_capabilities(hw, &link_capabilities, &autoneg);
|
|
speed &= link_capabilities;
|
|
|
|
if (speed == IXGBE_LINK_SPEED_UNKNOWN) {
|
|
status = IXGBE_ERR_LINK_SETUP;
|
|
} else if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
|
|
link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
|
|
link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
|
|
/* Set KX4/KX/KR support according to speed requested */
|
|
autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP);
|
|
if (speed & IXGBE_LINK_SPEED_10GB_FULL)
|
|
if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
|
|
autoc |= IXGBE_AUTOC_KX4_SUPP;
|
|
if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
|
|
autoc |= IXGBE_AUTOC_KR_SUPP;
|
|
if (speed & IXGBE_LINK_SPEED_1GB_FULL)
|
|
autoc |= IXGBE_AUTOC_KX_SUPP;
|
|
} else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) &&
|
|
(link_mode == IXGBE_AUTOC_LMS_1G_LINK_NO_AN ||
|
|
link_mode == IXGBE_AUTOC_LMS_1G_AN)) {
|
|
/* Switch from 1G SFI to 10G SFI if requested */
|
|
if ((speed == IXGBE_LINK_SPEED_10GB_FULL) &&
|
|
(pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)) {
|
|
autoc &= ~IXGBE_AUTOC_LMS_MASK;
|
|
autoc |= IXGBE_AUTOC_LMS_10G_SERIAL;
|
|
}
|
|
} else if ((pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) &&
|
|
(link_mode == IXGBE_AUTOC_LMS_10G_SERIAL)) {
|
|
/* Switch from 10G SFI to 1G SFI if requested */
|
|
if ((speed == IXGBE_LINK_SPEED_1GB_FULL) &&
|
|
(pma_pmd_1g == IXGBE_AUTOC_1G_SFI)) {
|
|
autoc &= ~IXGBE_AUTOC_LMS_MASK;
|
|
if (autoneg)
|
|
autoc |= IXGBE_AUTOC_LMS_1G_AN;
|
|
else
|
|
autoc |= IXGBE_AUTOC_LMS_1G_LINK_NO_AN;
|
|
}
|
|
}
|
|
|
|
if (status == 0) {
|
|
/* Restart link */
|
|
autoc |= IXGBE_AUTOC_AN_RESTART;
|
|
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
|
|
|
|
/* Only poll for autoneg to complete if specified to do so */
|
|
if (autoneg_wait_to_complete) {
|
|
if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
|
|
link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
|
|
link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
|
|
links_reg = 0; /*Just in case Autoneg time=0*/
|
|
for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
|
|
links_reg =
|
|
IXGBE_READ_REG(hw, IXGBE_LINKS);
|
|
if (links_reg & IXGBE_LINKS_KX_AN_COMP)
|
|
break;
|
|
msleep(100);
|
|
}
|
|
if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
|
|
status =
|
|
IXGBE_ERR_AUTONEG_NOT_COMPLETE;
|
|
hw_dbg(hw, "Autoneg did not "
|
|
"complete.\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set up flow control */
|
|
status = ixgbe_setup_fc_generic(hw, 0);
|
|
|
|
/* Add delay to filter out noises during initial link setup */
|
|
msleep(50);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_setup_copper_link_82599 - Setup copper link settings
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Restarts the link on PHY and then MAC. Performs autonegotiation if needed.
|
|
**/
|
|
static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw)
|
|
{
|
|
s32 status;
|
|
|
|
/* Restart autonegotiation on PHY */
|
|
status = hw->phy.ops.setup_link(hw);
|
|
|
|
/* Set up MAC */
|
|
ixgbe_setup_mac_link_82599(hw);
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_setup_copper_link_speed_82599 - Set the PHY autoneg advertised field
|
|
* @hw: pointer to hardware structure
|
|
* @speed: new link speed
|
|
* @autoneg: true if autonegotiation enabled
|
|
* @autoneg_wait_to_complete: true if waiting is needed to complete
|
|
*
|
|
* Restarts link on PHY and MAC based on settings passed in.
|
|
**/
|
|
static s32 ixgbe_setup_copper_link_speed_82599(struct ixgbe_hw *hw,
|
|
ixgbe_link_speed speed,
|
|
bool autoneg,
|
|
bool autoneg_wait_to_complete)
|
|
{
|
|
s32 status;
|
|
|
|
/* Setup the PHY according to input speed */
|
|
status = hw->phy.ops.setup_link_speed(hw, speed, autoneg,
|
|
autoneg_wait_to_complete);
|
|
/* Set up MAC */
|
|
ixgbe_setup_mac_link_82599(hw);
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_reset_hw_82599 - Perform hardware reset
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Resets the hardware by resetting the transmit and receive units, masks
|
|
* and clears all interrupts, perform a PHY reset, and perform a link (MAC)
|
|
* reset.
|
|
**/
|
|
s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
|
|
{
|
|
s32 status = 0;
|
|
u32 ctrl, ctrl_ext;
|
|
u32 i;
|
|
u32 autoc;
|
|
u32 autoc2;
|
|
|
|
/* Call adapter stop to disable tx/rx and clear interrupts */
|
|
hw->mac.ops.stop_adapter(hw);
|
|
|
|
/* Reset PHY */
|
|
hw->phy.ops.reset(hw);
|
|
|
|
/*
|
|
* 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_ERR_MASTER_REQUESTS_PENDING;
|
|
hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
|
|
}
|
|
|
|
/*
|
|
* Issue global reset to the MAC. This needs to be a SW reset.
|
|
* If link reset is used, it might reset the MAC when mng is using it
|
|
*/
|
|
ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
|
|
IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
|
|
IXGBE_WRITE_FLUSH(hw);
|
|
|
|
/* Poll for reset bit to self-clear indicating reset is complete */
|
|
for (i = 0; i < 10; i++) {
|
|
udelay(1);
|
|
ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
|
|
if (!(ctrl & IXGBE_CTRL_RST))
|
|
break;
|
|
}
|
|
if (ctrl & IXGBE_CTRL_RST) {
|
|
status = IXGBE_ERR_RESET_FAILED;
|
|
hw_dbg(hw, "Reset polling failed to complete.\n");
|
|
}
|
|
/* Clear PF Reset Done bit so PF/VF Mail Ops can work */
|
|
ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
|
|
ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD;
|
|
IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
|
|
|
|
msleep(50);
|
|
|
|
|
|
|
|
/*
|
|
* Store the original AUTOC/AUTOC2 values if they have not been
|
|
* stored off yet. Otherwise restore the stored original
|
|
* values since the reset operation sets back to defaults.
|
|
*/
|
|
autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
|
|
autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
|
|
if (hw->mac.orig_link_settings_stored == false) {
|
|
hw->mac.orig_autoc = autoc;
|
|
hw->mac.orig_autoc2 = autoc2;
|
|
hw->mac.orig_link_settings_stored = true;
|
|
} else {
|
|
if (autoc != hw->mac.orig_autoc)
|
|
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc |
|
|
IXGBE_AUTOC_AN_RESTART));
|
|
|
|
if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) !=
|
|
(hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) {
|
|
autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK;
|
|
autoc2 |= (hw->mac.orig_autoc2 &
|
|
IXGBE_AUTOC2_UPPER_MASK);
|
|
IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
|
|
}
|
|
}
|
|
|
|
/* Store the permanent mac address */
|
|
hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_clear_vmdq_82599 - Disassociate a VMDq pool index from a rx address
|
|
* @hw: pointer to hardware struct
|
|
* @rar: receive address register index to disassociate
|
|
* @vmdq: VMDq pool index to remove from the rar
|
|
**/
|
|
s32 ixgbe_clear_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
|
|
{
|
|
u32 mpsar_lo, mpsar_hi;
|
|
u32 rar_entries = hw->mac.num_rar_entries;
|
|
|
|
if (rar < rar_entries) {
|
|
mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
|
|
mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
|
|
|
|
if (!mpsar_lo && !mpsar_hi)
|
|
goto done;
|
|
|
|
if (vmdq == IXGBE_CLEAR_VMDQ_ALL) {
|
|
if (mpsar_lo) {
|
|
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
|
|
mpsar_lo = 0;
|
|
}
|
|
if (mpsar_hi) {
|
|
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
|
|
mpsar_hi = 0;
|
|
}
|
|
} else if (vmdq < 32) {
|
|
mpsar_lo &= ~(1 << vmdq);
|
|
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo);
|
|
} else {
|
|
mpsar_hi &= ~(1 << (vmdq - 32));
|
|
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi);
|
|
}
|
|
|
|
/* was that the last pool using this rar? */
|
|
if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
|
|
hw->mac.ops.clear_rar(hw, rar);
|
|
} else {
|
|
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
|
|
}
|
|
|
|
done:
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_set_vmdq_82599 - Associate a VMDq pool index with a rx address
|
|
* @hw: pointer to hardware struct
|
|
* @rar: receive address register index to associate with a VMDq index
|
|
* @vmdq: VMDq pool index
|
|
**/
|
|
s32 ixgbe_set_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
|
|
{
|
|
u32 mpsar;
|
|
u32 rar_entries = hw->mac.num_rar_entries;
|
|
|
|
if (rar < rar_entries) {
|
|
if (vmdq < 32) {
|
|
mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
|
|
mpsar |= 1 << vmdq;
|
|
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
|
|
} else {
|
|
mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
|
|
mpsar |= 1 << (vmdq - 32);
|
|
IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
|
|
}
|
|
} else {
|
|
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_set_vfta_82599 - Set VLAN filter table
|
|
* @hw: pointer to hardware structure
|
|
* @vlan: VLAN id to write to VLAN filter
|
|
* @vind: VMDq output index that maps queue to VLAN id in VFVFB
|
|
* @vlan_on: boolean flag to turn on/off VLAN in VFVF
|
|
*
|
|
* Turn on/off specified VLAN in the VLAN filter table.
|
|
**/
|
|
s32 ixgbe_set_vfta_82599(struct ixgbe_hw *hw, u32 vlan, u32 vind,
|
|
bool vlan_on)
|
|
{
|
|
u32 regindex;
|
|
u32 bitindex;
|
|
u32 bits;
|
|
u32 first_empty_slot;
|
|
|
|
if (vlan > 4095)
|
|
return IXGBE_ERR_PARAM;
|
|
|
|
/*
|
|
* this is a 2 part operation - first the VFTA, then the
|
|
* VLVF and VLVFB if vind is set
|
|
*/
|
|
|
|
/* Part 1
|
|
* The VFTA is a bitstring made up of 128 32-bit registers
|
|
* that enable the particular VLAN id, much like the MTA:
|
|
* bits[11-5]: which register
|
|
* bits[4-0]: which bit in the register
|
|
*/
|
|
regindex = (vlan >> 5) & 0x7F;
|
|
bitindex = vlan & 0x1F;
|
|
bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
|
|
if (vlan_on)
|
|
bits |= (1 << bitindex);
|
|
else
|
|
bits &= ~(1 << bitindex);
|
|
IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
|
|
|
|
|
|
/* Part 2
|
|
* If the vind is set
|
|
* Either vlan_on
|
|
* make sure the vlan is in VLVF
|
|
* set the vind bit in the matching VLVFB
|
|
* Or !vlan_on
|
|
* clear the pool bit and possibly the vind
|
|
*/
|
|
if (vind) {
|
|
/* find the vlanid or the first empty slot */
|
|
first_empty_slot = 0;
|
|
|
|
for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) {
|
|
bits = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex));
|
|
if (!bits && !first_empty_slot)
|
|
first_empty_slot = regindex;
|
|
else if ((bits & 0x0FFF) == vlan)
|
|
break;
|
|
}
|
|
|
|
if (regindex >= IXGBE_VLVF_ENTRIES) {
|
|
if (first_empty_slot)
|
|
regindex = first_empty_slot;
|
|
else {
|
|
hw_dbg(hw, "No space in VLVF.\n");
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (vlan_on) {
|
|
/* set the pool bit */
|
|
if (vind < 32) {
|
|
bits = IXGBE_READ_REG(hw,
|
|
IXGBE_VLVFB(regindex * 2));
|
|
bits |= (1 << vind);
|
|
IXGBE_WRITE_REG(hw,
|
|
IXGBE_VLVFB(regindex * 2), bits);
|
|
} else {
|
|
bits = IXGBE_READ_REG(hw,
|
|
IXGBE_VLVFB((regindex * 2) + 1));
|
|
bits |= (1 << vind);
|
|
IXGBE_WRITE_REG(hw,
|
|
IXGBE_VLVFB((regindex * 2) + 1), bits);
|
|
}
|
|
} else {
|
|
/* clear the pool bit */
|
|
if (vind < 32) {
|
|
bits = IXGBE_READ_REG(hw,
|
|
IXGBE_VLVFB(regindex * 2));
|
|
bits &= ~(1 << vind);
|
|
IXGBE_WRITE_REG(hw,
|
|
IXGBE_VLVFB(regindex * 2), bits);
|
|
bits |= IXGBE_READ_REG(hw,
|
|
IXGBE_VLVFB((regindex * 2) + 1));
|
|
} else {
|
|
bits = IXGBE_READ_REG(hw,
|
|
IXGBE_VLVFB((regindex * 2) + 1));
|
|
bits &= ~(1 << vind);
|
|
IXGBE_WRITE_REG(hw,
|
|
IXGBE_VLVFB((regindex * 2) + 1), bits);
|
|
bits |= IXGBE_READ_REG(hw,
|
|
IXGBE_VLVFB(regindex * 2));
|
|
}
|
|
}
|
|
|
|
if (bits)
|
|
IXGBE_WRITE_REG(hw, IXGBE_VLVF(regindex),
|
|
(IXGBE_VLVF_VIEN | vlan));
|
|
else
|
|
IXGBE_WRITE_REG(hw, IXGBE_VLVF(regindex), 0);
|
|
}
|
|
|
|
out:
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_clear_vfta_82599 - Clear VLAN filter table
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Clears the VLAN filer table, and the VMDq index associated with the filter
|
|
**/
|
|
s32 ixgbe_clear_vfta_82599(struct ixgbe_hw *hw)
|
|
{
|
|
u32 offset;
|
|
|
|
for (offset = 0; offset < hw->mac.vft_size; offset++)
|
|
IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
|
|
|
|
for (offset = 0; offset < IXGBE_VLVF_ENTRIES; offset++) {
|
|
IXGBE_WRITE_REG(hw, IXGBE_VLVF(offset), 0);
|
|
IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset * 2), 0);
|
|
IXGBE_WRITE_REG(hw, IXGBE_VLVFB((offset * 2) + 1), 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_blink_led_start_82599 - Blink LED based on index.
|
|
* @hw: pointer to hardware structure
|
|
* @index: led number to blink
|
|
**/
|
|
s32 ixgbe_blink_led_start_82599(struct ixgbe_hw *hw, u32 index)
|
|
{
|
|
u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
|
|
|
|
led_reg &= ~IXGBE_LED_MODE_MASK(index);
|
|
led_reg |= IXGBE_LED_BLINK(index);
|
|
IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
|
|
IXGBE_WRITE_FLUSH(hw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_blink_led_stop_82599 - Stop blinking LED based on index.
|
|
* @hw: pointer to hardware structure
|
|
* @index: led number to stop blinking
|
|
**/
|
|
s32 ixgbe_blink_led_stop_82599(struct ixgbe_hw *hw, u32 index)
|
|
{
|
|
u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
|
|
|
|
led_reg &= ~IXGBE_LED_MODE_MASK(index);
|
|
led_reg &= ~IXGBE_LED_BLINK(index);
|
|
IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
|
|
IXGBE_WRITE_FLUSH(hw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_init_uta_tables_82599 - Initialize the Unicast Table Array
|
|
* @hw: pointer to hardware structure
|
|
**/
|
|
s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw)
|
|
{
|
|
int i;
|
|
hw_dbg(hw, " Clearing UTA\n");
|
|
|
|
for (i = 0; i < 128; i++)
|
|
IXGBE_WRITE_REG(hw, IXGBE_UTA(i), 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register
|
|
* @hw: pointer to hardware structure
|
|
* @reg: analog register to read
|
|
* @val: read value
|
|
*
|
|
* Performs read operation to Omer analog register specified.
|
|
**/
|
|
s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val)
|
|
{
|
|
u32 core_ctl;
|
|
|
|
IXGBE_WRITE_REG(hw, IXGBE_CORECTL, IXGBE_CORECTL_WRITE_CMD |
|
|
(reg << 8));
|
|
IXGBE_WRITE_FLUSH(hw);
|
|
udelay(10);
|
|
core_ctl = IXGBE_READ_REG(hw, IXGBE_CORECTL);
|
|
*val = (u8)core_ctl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register
|
|
* @hw: pointer to hardware structure
|
|
* @reg: atlas register to write
|
|
* @val: value to write
|
|
*
|
|
* Performs write operation to Omer analog register specified.
|
|
**/
|
|
s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val)
|
|
{
|
|
u32 core_ctl;
|
|
|
|
core_ctl = (reg << 8) | val;
|
|
IXGBE_WRITE_REG(hw, IXGBE_CORECTL, core_ctl);
|
|
IXGBE_WRITE_FLUSH(hw);
|
|
udelay(10);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Starts the hardware using the generic start_hw function.
|
|
* Then performs device-specific:
|
|
* Clears the rate limiter registers.
|
|
**/
|
|
s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw)
|
|
{
|
|
u32 q_num;
|
|
|
|
ixgbe_start_hw_generic(hw);
|
|
|
|
/* Clear the rate limiters */
|
|
for (q_num = 0; q_num < hw->mac.max_tx_queues; q_num++) {
|
|
IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, q_num);
|
|
IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0);
|
|
}
|
|
IXGBE_WRITE_FLUSH(hw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_identify_phy_82599 - Get physical layer module
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Determines the physical layer module found on the current adapter.
|
|
**/
|
|
s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw)
|
|
{
|
|
s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
|
|
status = ixgbe_identify_phy_generic(hw);
|
|
if (status != 0)
|
|
status = ixgbe_identify_sfp_module_generic(hw);
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_get_supported_physical_layer_82599 - Returns physical layer type
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Determines physical layer capabilities of the current configuration.
|
|
**/
|
|
u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw)
|
|
{
|
|
u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
|
|
u8 comp_codes_10g = 0;
|
|
|
|
switch (hw->device_id) {
|
|
case IXGBE_DEV_ID_82599:
|
|
case IXGBE_DEV_ID_82599_KX4:
|
|
/* 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_82599_SFP:
|
|
hw->phy.ops.identify_sfp(hw);
|
|
|
|
switch (hw->phy.sfp_type) {
|
|
case ixgbe_sfp_type_da_cu:
|
|
case ixgbe_sfp_type_da_cu_core0:
|
|
case ixgbe_sfp_type_da_cu_core1:
|
|
physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
|
|
break;
|
|
case ixgbe_sfp_type_sr:
|
|
physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
|
|
break;
|
|
case ixgbe_sfp_type_lr:
|
|
physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
|
|
break;
|
|
case ixgbe_sfp_type_srlr_core0:
|
|
case ixgbe_sfp_type_srlr_core1:
|
|
hw->phy.ops.read_i2c_eeprom(hw,
|
|
IXGBE_SFF_10GBE_COMP_CODES,
|
|
&comp_codes_10g);
|
|
if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
|
|
physical_layer =
|
|
IXGBE_PHYSICAL_LAYER_10GBASE_SR;
|
|
else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
|
|
physical_layer =
|
|
IXGBE_PHYSICAL_LAYER_10GBASE_LR;
|
|
else
|
|
physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
|
|
default:
|
|
physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
|
|
break;
|
|
}
|
|
|
|
return physical_layer;
|
|
}
|
|
|
|
/**
|
|
* ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599
|
|
* @hw: pointer to hardware structure
|
|
* @regval: register value to write to RXCTRL
|
|
*
|
|
* Enables the Rx DMA unit for 82599
|
|
**/
|
|
s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval)
|
|
{
|
|
#define IXGBE_MAX_SECRX_POLL 30
|
|
int i;
|
|
int secrxreg;
|
|
|
|
/*
|
|
* Workaround for 82599 silicon errata when enabling the Rx datapath.
|
|
* If traffic is incoming before we enable the Rx unit, it could hang
|
|
* the Rx DMA unit. Therefore, make sure the security engine is
|
|
* completely disabled prior to enabling the Rx unit.
|
|
*/
|
|
secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
|
|
secrxreg |= IXGBE_SECRXCTRL_RX_DIS;
|
|
IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
|
|
for (i = 0; i < IXGBE_MAX_SECRX_POLL; i++) {
|
|
secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
|
|
if (secrxreg & IXGBE_SECRXSTAT_SECRX_RDY)
|
|
break;
|
|
else
|
|
udelay(10);
|
|
}
|
|
|
|
/* For informational purposes only */
|
|
if (i >= IXGBE_MAX_SECRX_POLL)
|
|
hw_dbg(hw, "Rx unit being enabled before security "
|
|
"path fully disabled. Continuing with init.\n");
|
|
|
|
IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
|
|
secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
|
|
secrxreg &= ~IXGBE_SECRXCTRL_RX_DIS;
|
|
IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
|
|
IXGBE_WRITE_FLUSH(hw);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ixgbe_mac_operations mac_ops_82599 = {
|
|
.init_hw = &ixgbe_init_hw_generic,
|
|
.reset_hw = &ixgbe_reset_hw_82599,
|
|
.start_hw = &ixgbe_start_hw_82599,
|
|
.clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic,
|
|
.get_media_type = &ixgbe_get_media_type_82599,
|
|
.get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82599,
|
|
.enable_rx_dma = &ixgbe_enable_rx_dma_82599,
|
|
.get_mac_addr = &ixgbe_get_mac_addr_generic,
|
|
.stop_adapter = &ixgbe_stop_adapter_generic,
|
|
.get_bus_info = &ixgbe_get_bus_info_generic,
|
|
.set_lan_id = &ixgbe_set_lan_id_multi_port_pcie,
|
|
.read_analog_reg8 = &ixgbe_read_analog_reg8_82599,
|
|
.write_analog_reg8 = &ixgbe_write_analog_reg8_82599,
|
|
.setup_link = &ixgbe_setup_mac_link_82599,
|
|
.setup_link_speed = &ixgbe_setup_mac_link_speed_82599,
|
|
.check_link = &ixgbe_check_mac_link_82599,
|
|
.get_link_capabilities = &ixgbe_get_link_capabilities_82599,
|
|
.led_on = &ixgbe_led_on_generic,
|
|
.led_off = &ixgbe_led_off_generic,
|
|
.blink_led_start = &ixgbe_blink_led_start_82599,
|
|
.blink_led_stop = &ixgbe_blink_led_stop_82599,
|
|
.set_rar = &ixgbe_set_rar_generic,
|
|
.clear_rar = &ixgbe_clear_rar_generic,
|
|
.set_vmdq = &ixgbe_set_vmdq_82599,
|
|
.clear_vmdq = &ixgbe_clear_vmdq_82599,
|
|
.init_rx_addrs = &ixgbe_init_rx_addrs_generic,
|
|
.update_uc_addr_list = &ixgbe_update_uc_addr_list_generic,
|
|
.update_mc_addr_list = &ixgbe_update_mc_addr_list_generic,
|
|
.enable_mc = &ixgbe_enable_mc_generic,
|
|
.disable_mc = &ixgbe_disable_mc_generic,
|
|
.clear_vfta = &ixgbe_clear_vfta_82599,
|
|
.set_vfta = &ixgbe_set_vfta_82599,
|
|
.setup_fc = &ixgbe_setup_fc_generic,
|
|
.init_uta_tables = &ixgbe_init_uta_tables_82599,
|
|
.setup_sfp = &ixgbe_setup_sfp_modules_82599,
|
|
};
|
|
|
|
static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
|
|
.init_params = &ixgbe_init_eeprom_params_generic,
|
|
.read = &ixgbe_read_eeprom_generic,
|
|
.write = &ixgbe_write_eeprom_generic,
|
|
.validate_checksum = &ixgbe_validate_eeprom_checksum_generic,
|
|
.update_checksum = &ixgbe_update_eeprom_checksum_generic,
|
|
};
|
|
|
|
static struct ixgbe_phy_operations phy_ops_82599 = {
|
|
.identify = &ixgbe_identify_phy_82599,
|
|
.identify_sfp = &ixgbe_identify_sfp_module_generic,
|
|
.reset = &ixgbe_reset_phy_generic,
|
|
.read_reg = &ixgbe_read_phy_reg_generic,
|
|
.write_reg = &ixgbe_write_phy_reg_generic,
|
|
.setup_link = &ixgbe_setup_phy_link_generic,
|
|
.setup_link_speed = &ixgbe_setup_phy_link_speed_generic,
|
|
.read_i2c_byte = &ixgbe_read_i2c_byte_generic,
|
|
.write_i2c_byte = &ixgbe_write_i2c_byte_generic,
|
|
.read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic,
|
|
.write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic,
|
|
};
|
|
|
|
struct ixgbe_info ixgbe_82599_info = {
|
|
.mac = ixgbe_mac_82599EB,
|
|
.get_invariants = &ixgbe_get_invariants_82599,
|
|
.mac_ops = &mac_ops_82599,
|
|
.eeprom_ops = &eeprom_ops_82599,
|
|
.phy_ops = &phy_ops_82599,
|
|
};
|