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Date: Fri, 31 Oct 2008 00:46:40 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: jeff@...zik.org
Cc: netdev@...r.kernel.org, jeff@...zik.org,
Jesse Brandeburg <jesse.brandeburg@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [NET-NEXT PATCH] ixgbe: add device support for 82598AT (copper 10GbE)
adapters
From: Jesse Brandeburg <jesse.brandeburg@...el.com>
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@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ixgbe/ixgbe.h | 1 +
drivers/net/ixgbe/ixgbe_82598.c | 12 +++++++
drivers/net/ixgbe/ixgbe_ethtool.c | 27 +++++++++++++++
drivers/net/ixgbe/ixgbe_main.c | 33 ++++++++++++++++++
drivers/net/ixgbe/ixgbe_phy.c | 68 +++++++++++++++++++++++++++++++++++++
drivers/net/ixgbe/ixgbe_phy.h | 7 ++++
drivers/net/ixgbe/ixgbe_type.h | 6 +++
7 files changed, 154 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index e116d34..132854f 100644
--- 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
--- 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
--- 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
--- 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
--- 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
--- 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
--- 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 *);
--
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