ixgbe: Add X552 XFI backplane support

This patch add support for X552 XFI backplane interface.  The XFI
backplane requires a custom tuned link.  HW/FW owns the link config
for XF backplane and SW must not interfere with it.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 0da0752..59730ed 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -179,6 +179,7 @@ static u32 ixgbe_get_supported_10gtypes(struct ixgbe_hw *hw)
        case IXGBE_DEV_ID_82598_BX:
        case IXGBE_DEV_ID_82599_KR:
        case IXGBE_DEV_ID_X550EM_X_KR:
+       case IXGBE_DEV_ID_X550EM_X_XFI:
                return SUPPORTED_10000baseKR_Full;
        default:
                return SUPPORTED_10000baseKX4_Full |

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 848dea9..e250c1d 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -131,6 +131,7 @@ static const struct pci_device_id ixgbe_pci_tbl[] = {
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550T), board_X550},
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550T1), board_X550},
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_KX4), board_X550EM_x},
+       {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_XFI), board_X550EM_x},
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_KR), board_X550EM_x},
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_10G_T), board_X550EM_x},
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_SFP), board_X550EM_x},

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index c0f6b95..22869aa 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -85,6 +85,7 @@
 #define IXGBE_DEV_ID_X550EM_X_SFP      0x15AC
 #define IXGBE_DEV_ID_X550EM_X_10G_T    0x15AD
 #define IXGBE_DEV_ID_X550EM_X_1G_T     0x15AE
+#define IXGBE_DEV_ID_X550EM_X_XFI      0x15B0
 #define IXGBE_DEV_ID_X550EM_A_KR       0x15C2
 #define IXGBE_DEV_ID_X550EM_A_KR_L     0x15C3
 #define IXGBE_DEV_ID_X550EM_A_SFP_N    0x15C4
@@ -3128,6 +3129,7 @@ enum ixgbe_phy_type {
        ixgbe_phy_aq,
        ixgbe_phy_x550em_kr,
        ixgbe_phy_x550em_kx4,
+       ixgbe_phy_x550em_xfi,
        ixgbe_phy_x550em_ext_t,
        ixgbe_phy_cu_unknown,
        ixgbe_phy_qt,

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 633079e..5127e5e 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -320,6 +320,9 @@ static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
        case IXGBE_DEV_ID_X550EM_X_KX4:
                hw->phy.type = ixgbe_phy_x550em_kx4;
                break;
+       case IXGBE_DEV_ID_X550EM_X_XFI:
+               hw->phy.type = ixgbe_phy_x550em_xfi;
+               break;
        case IXGBE_DEV_ID_X550EM_X_KR:
        case IXGBE_DEV_ID_X550EM_A_KR:
        case IXGBE_DEV_ID_X550EM_A_KR_L:
@@ -2231,6 +2234,10 @@ static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
                                 IXGBE_LINK_SPEED_2_5GB_FULL |
                                 IXGBE_LINK_SPEED_10GB_FULL;
                        break;
+               case ixgbe_phy_x550em_xfi:
+                       *speed = IXGBE_LINK_SPEED_1GB_FULL |
+                                IXGBE_LINK_SPEED_10GB_FULL;
+                       break;
                case ixgbe_phy_sgmii:
                        *speed = IXGBE_LINK_SPEED_1GB_FULL;
                        break;
@@ -3127,6 +3134,12 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
                phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
                phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
                break;
+       case ixgbe_phy_x550em_xfi:
+               /* link is managed by HW */
+               phy->ops.setup_link = NULL;
+               phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
+               phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
+               break;
        case ixgbe_phy_x550em_ext_t:
                /* Save NW management interface connected on board. This is used
                 * to determine internal PHY mode
@@ -3180,6 +3193,7 @@ static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
                /* Fallthrough */
        case IXGBE_DEV_ID_X550EM_X_KR:
        case IXGBE_DEV_ID_X550EM_X_KX4:
+       case IXGBE_DEV_ID_X550EM_X_XFI:
        case IXGBE_DEV_ID_X550EM_A_KR:
        case IXGBE_DEV_ID_X550EM_A_KR_L:
                media_type = ixgbe_media_type_backplane;