diff options
| author | Don Skidmore <donald.c.skidmore@intel.com> | 2015-06-18 20:24:06 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-09-02 02:56:35 +0300 |
| commit | f9328bc6a7edc0fbaea836007b4261ca6233d96f (patch) | |
| tree | 12616f331745177bf21b619b11f93c56d9d43a5f /drivers/net | |
| parent | 454c65dd1a1e7fdaa5bbd3a34e14ab5560fbfad7 (diff) | |
| download | linux-f9328bc6a7edc0fbaea836007b4261ca6233d96f.tar.xz | |
ixgbe: add new bus type for intergrated I/O interface (IOSF)
With this patch we add support for a new bus type ixgbe_bus_type_internal.
X550em devices use IOSF and not PCIe bus so this new type is to accommodate
them.
Signed-off-by: Donald C Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 1 |
3 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 098c84955a11..7e331254e9c9 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -246,11 +246,19 @@ static inline bool ixgbe_pcie_from_parent(struct ixgbe_hw *hw) static void ixgbe_check_minimum_link(struct ixgbe_adapter *adapter, int expected_gts) { + struct ixgbe_hw *hw = &adapter->hw; int max_gts = 0; enum pci_bus_speed speed = PCI_SPEED_UNKNOWN; enum pcie_link_width width = PCIE_LNK_WIDTH_UNKNOWN; struct pci_dev *pdev; + /* Some devices are not connected over PCIe and thus do not negotiate + * speed. These devices do not have valid bus info, and thus any report + * we generate may not be correct. + */ + if (hw->bus.type == ixgbe_bus_type_internal) + return; + /* determine whether to use the parent device */ if (ixgbe_pcie_from_parent(&adapter->hw)) pdev = adapter->pdev->bus->parent->self; @@ -8837,9 +8845,10 @@ skip_sriov: hw->eeprom.ops.read(hw, 0x2d, &adapter->eeprom_verl); /* pick up the PCI bus settings for reporting later */ - hw->mac.ops.get_bus_info(hw); if (ixgbe_pcie_from_parent(hw)) ixgbe_get_parent_bus_info(adapter); + else + hw->mac.ops.get_bus_info(hw); /* calculate the expected PCIe bandwidth required for optimal * performance. Note that some older parts will never have enough diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h index 19271e5d2010..37df15f9ebc8 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h @@ -3067,6 +3067,7 @@ enum ixgbe_bus_type { ixgbe_bus_type_pci, ixgbe_bus_type_pcix, ixgbe_bus_type_pci_express, + ixgbe_bus_type_internal, ixgbe_bus_type_reserved }; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index dce39be28d5f..96f603f435ee 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -620,6 +620,7 @@ static s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw) **/ static s32 ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw) { + hw->bus.type = ixgbe_bus_type_internal; hw->bus.width = ixgbe_bus_width_unknown; hw->bus.speed = ixgbe_bus_speed_unknown; |