ixgbe: add device support for 82598AT (copper 10GbE) adapters

Intel is currently shipping support for adapters with a phy
that does 10GBase-T (copper), which is 10 Gigabit ethernet
over standard Category 6 cabling.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index e116d34..132854f 100644 (file)
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -267,6 +267,7 @@ struct ixgbe_adapter {
 #define IXGBE_FLAG_RSS_CAPABLE                  (u32)(1 << 17)
 #define IXGBE_FLAG_VMDQ_CAPABLE                 (u32)(1 << 18)
 #define IXGBE_FLAG_VMDQ_ENABLED                 (u32)(1 << 19)
+#define IXGBE_FLAG_FAN_FAIL_CAPABLE             (u32)(1 << 20)
 #define IXGBE_FLAG_NEED_LINK_UPDATE             (u32)(1 << 22)
 #define IXGBE_FLAG_IN_WATCHDOG_TASK             (u32)(1 << 23)
 

diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c
index 7cddcfb..c2cdb04 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ixgbe/ixgbe_82598.c
@@ -59,6 +59,11 @@ static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw)
 
        /* PHY Init */
        switch (phy->type) {
+       case ixgbe_phy_tn:
+               phy->ops.check_link = &ixgbe_check_phy_link_tnx;
+               phy->ops.get_firmware_version =
+                            &ixgbe_get_phy_firmware_version_tnx;
+               break;
        default:
                break;
        }
@@ -189,6 +194,9 @@ static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
        case IXGBE_DEV_ID_82598EB_XF_LR:
                media_type = ixgbe_media_type_fiber;
                break;
+       case IXGBE_DEV_ID_82598AT:
+               media_type = ixgbe_media_type_copper;
+               break;
        default:
                media_type = ixgbe_media_type_unknown;
                break;
@@ -872,6 +880,10 @@ s32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
        case IXGBE_DEV_ID_82598EB_XF_LR:
                physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
                break;
+       case IXGBE_DEV_ID_82598AT:
+               physical_layer = (IXGBE_PHYSICAL_LAYER_10GBASE_T |
+                                 IXGBE_PHYSICAL_LAYER_1000BASE_T);
+               break;
 
        default:
                physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;

diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 81a9c4b..fee56a3 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -149,6 +149,8 @@ static int ixgbe_set_settings(struct net_device *netdev,
 {
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
        struct ixgbe_hw *hw = &adapter->hw;
+       u32 advertised, old;
+       s32 err;
 
        switch (hw->phy.media_type) {
        case ixgbe_media_type_fiber:
@@ -157,6 +159,31 @@ static int ixgbe_set_settings(struct net_device *netdev,
                        return -EINVAL;
                /* in this case we currently only support 10Gb/FULL */
                break;
+       case ixgbe_media_type_copper:
+               /* 10000/copper and 1000/copper must autoneg
+                * this function does not support any duplex forcing, but can
+                * limit the advertising of the adapter to only 10000 or 1000 */
+               if (ecmd->autoneg == AUTONEG_DISABLE)
+                       return -EINVAL;
+
+               old = hw->phy.autoneg_advertised;
+               advertised = 0;
+               if (ecmd->advertising & ADVERTISED_10000baseT_Full)
+                       advertised |= IXGBE_LINK_SPEED_10GB_FULL;
+
+               if (ecmd->advertising & ADVERTISED_1000baseT_Full)
+                       advertised |= IXGBE_LINK_SPEED_1GB_FULL;
+
+               if (old == advertised)
+                       break;
+               /* this sets the link speed and restarts auto-neg */
+               err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
+               if (err) {
+                       DPRINTK(PROBE, INFO,
+                               "setup link failed with code %d\n", err);
+                       hw->mac.ops.setup_link_speed(hw, old, true, true);
+               }
+               break;
        default:
                break;
        }

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 028bfb2..2a12e97 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -68,6 +68,8 @@ static struct pci_device_id ixgbe_pci_tbl[] = {
         board_82598 },
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_SINGLE_PORT),
         board_82598 },
+       {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AT),
+        board_82598 },
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_CX4),
         board_82598 },
        {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_CX4_DUAL_PORT),
@@ -904,6 +906,17 @@ static void ixgbe_set_itr_msix(struct ixgbe_q_vector *q_vector)
        return;
 }
 
+static void ixgbe_check_fan_failure(struct ixgbe_adapter *adapter, u32 eicr)
+{
+       struct ixgbe_hw *hw = &adapter->hw;
+
+       if ((adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) &&
+           (eicr & IXGBE_EICR_GPI_SDP1)) {
+               DPRINTK(PROBE, CRIT, "Fan has stopped, replace the adapter\n");
+               /* write to clear the interrupt */
+               IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1);
+       }
+}
 
 static void ixgbe_check_lsc(struct ixgbe_adapter *adapter)
 {
@@ -928,6 +941,8 @@ static irqreturn_t ixgbe_msix_lsc(int irq, void *data)
        if (eicr & IXGBE_EICR_LSC)
                ixgbe_check_lsc(adapter);
 
+       ixgbe_check_fan_failure(adapter, eicr);
+
        if (!test_bit(__IXGBE_DOWN, &adapter->state))
                IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER);
 
@@ -1316,6 +1331,8 @@ static irqreturn_t ixgbe_intr(int irq, void *data)
        if (eicr & IXGBE_EICR_LSC)
                ixgbe_check_lsc(adapter);
 
+       ixgbe_check_fan_failure(adapter, eicr);
+
        if (netif_rx_schedule_prep(netdev, &adapter->q_vector[0].napi)) {
                adapter->tx_ring[0].total_packets = 0;
                adapter->tx_ring[0].total_bytes = 0;
@@ -1418,6 +1435,8 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter)
 {
        u32 mask;
        mask = IXGBE_EIMS_ENABLE_MASK;
+       if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE)
+               mask |= IXGBE_EIMS_GPI_SDP1;
        IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
        IXGBE_WRITE_FLUSH(&adapter->hw);
 }
@@ -1927,6 +1946,13 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
                IXGBE_WRITE_REG(hw, IXGBE_EIAM, IXGBE_EICS_RTX_QUEUE);
        }
 
+       /* Enable fan failure interrupt if media type is copper */
+       if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE) {
+               gpie = IXGBE_READ_REG(hw, IXGBE_GPIE);
+               gpie |= IXGBE_SDP1_GPIEN;
+               IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);
+       }
+
        mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD);
        if (max_frame != (mhadd >> IXGBE_MHADD_MFS_SHIFT)) {
                mhadd &= ~IXGBE_MHADD_MFS_MASK;
@@ -2564,6 +2590,9 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
        rss = min(IXGBE_MAX_RSS_INDICES, (int)num_online_cpus());
        adapter->ring_feature[RING_F_RSS].indices = rss;
        adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
+       if (hw->mac.ops.get_media_type &&
+           (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_copper))
+               adapter->flags |= IXGBE_FLAG_FAN_FAIL_CAPABLE;
 
        /* default flow control settings */
        hw->fc.original_type = ixgbe_fc_none;
@@ -3691,6 +3720,10 @@ static int ixgbe_link_config(struct ixgbe_hw *hw)
        /* must always autoneg for both 1G and 10G link */
        hw->mac.autoneg = true;
 
+       if ((hw->mac.type == ixgbe_mac_82598EB) &&
+           (hw->phy.media_type == ixgbe_media_type_copper))
+               autoneg = IXGBE_LINK_SPEED_82598_AUTONEG;
+
        return hw->mac.ops.setup_link_speed(hw, autoneg, true, true);
 }
 

diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index 764035a..981e6d8 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -121,6 +121,9 @@ static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id)
        enum ixgbe_phy_type phy_type;
 
        switch (phy_id) {
+       case TN1010_PHY_ID:
+               phy_type = ixgbe_phy_tn;
+               break;
        case QT2022_PHY_ID:
                phy_type = ixgbe_phy_qt;
                break;
@@ -426,3 +429,68 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
        return 0;
 }
 
+/**
+ *  ixgbe_check_phy_link_tnx - Determine link and speed status
+ *  @hw: pointer to hardware structure
+ *
+ *  Reads the VS1 register to determine if link is up and the current speed for
+ *  the PHY.
+ **/
+s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
+                             bool *link_up)
+{
+       s32 status = 0;
+       u32 time_out;
+       u32 max_time_out = 10;
+       u16 phy_link = 0;
+       u16 phy_speed = 0;
+       u16 phy_data = 0;
+
+       /* Initialize speed and link to default case */
+       *link_up = false;
+       *speed = IXGBE_LINK_SPEED_10GB_FULL;
+
+       /*
+        * Check current speed and link status of the PHY register.
+        * This is a vendor specific register and may have to
+        * be changed for other copper PHYs.
+        */
+       for (time_out = 0; time_out < max_time_out; time_out++) {
+               udelay(10);
+               status = hw->phy.ops.read_reg(hw,
+                                       IXGBE_MDIO_VENDOR_SPECIFIC_1_STATUS,
+                                       IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+                                       &phy_data);
+               phy_link = phy_data &
+                          IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS;
+               phy_speed = phy_data &
+                           IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS;
+               if (phy_link == IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS) {
+                       *link_up = true;
+                       if (phy_speed ==
+                           IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS)
+                               *speed = IXGBE_LINK_SPEED_1GB_FULL;
+                       break;
+               }
+       }
+
+       return status;
+}
+
+/**
+ *  ixgbe_get_phy_firmware_version_tnx - Gets the PHY Firmware Version
+ *  @hw: pointer to hardware structure
+ *  @firmware_version: pointer to the PHY Firmware Version
+ **/
+s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw,
+                                       u16 *firmware_version)
+{
+       s32 status = 0;
+
+       status = hw->phy.ops.read_reg(hw, TNX_FW_REV,
+                                     IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+                                     firmware_version);
+
+       return status;
+}
+

diff --git a/drivers/net/ixgbe/ixgbe_phy.h b/drivers/net/ixgbe/ixgbe_phy.h
index 9bfe3f2..5cc063d 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ixgbe/ixgbe_phy.h
@@ -77,4 +77,11 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
                                        bool autoneg,
                                        bool autoneg_wait_to_complete);
 
+/* PHY specific */
+s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw,
+                             ixgbe_link_speed *speed,
+                             bool *link_up);
+s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw,
+                                       u16 *firmware_version);
+
 #endif /* _IXGBE_PHY_H_ */

diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index c6f8fa1..51df39d 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -36,6 +36,7 @@
 /* Device IDs */
 #define IXGBE_DEV_ID_82598AF_DUAL_PORT   0x10C6
 #define IXGBE_DEV_ID_82598AF_SINGLE_PORT 0x10C7
+#define IXGBE_DEV_ID_82598AT             0x10C8
 #define IXGBE_DEV_ID_82598EB_CX4         0x10DD
 #define IXGBE_DEV_ID_82598_CX4_DUAL_PORT 0x10EC
 #define IXGBE_DEV_ID_82598EB_XF_LR       0x10F4
@@ -488,6 +489,8 @@
 #define IXGBE_MAX_PHY_ADDR             32
 
 /* PHY IDs*/
+#define TN1010_PHY_ID    0x00A19410
+#define TNX_FW_REV       0xB
 #define QT2022_PHY_ID    0x0043A400
 
 /* PHY Types */
@@ -1202,6 +1205,7 @@ enum ixgbe_mac_type {
 
 enum ixgbe_phy_type {
        ixgbe_phy_unknown = 0,
+       ixgbe_phy_tn,
        ixgbe_phy_qt,
        ixgbe_phy_xaui,
        ixgbe_phy_tw_tyco,
@@ -1396,6 +1400,8 @@ struct ixgbe_phy_operations {
        s32 (*setup_link)(struct ixgbe_hw *);
        s32 (*setup_link_speed)(struct ixgbe_hw *, ixgbe_link_speed, bool,
                                bool);
+       s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *);
+       s32 (*get_firmware_version)(struct ixgbe_hw *, u16 *);
        s32 (*read_i2c_byte)(struct ixgbe_hw *, u8, u8, u8 *);
        s32 (*write_i2c_byte)(struct ixgbe_hw *, u8, u8, u8);
        s32 (*read_i2c_eeprom)(struct ixgbe_hw *, u8 , u8 *);