[dpdk-dev] [PATCH v2 03/30] net/ixgbe/base: use fast MDIO for non-10G devices
Wei Dai
wei.dai at intel.com
Wed Dec 21 10:47:47 CET 2016
Devices that cannot go 10G speeds can safely select a faster
Management Data Input/Output (MDIO) speed.
Select fast MDIO clock speed for for those devices.
Signed-off-by: Wei Dai <wei.dai at intel.com>
---
drivers/net/ixgbe/base/ixgbe_x550.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c
index acb8140..c1fac1a 100644
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -2549,8 +2549,6 @@ STATIC void ixgbe_set_mdio_speed(struct ixgbe_hw *hw)
case IXGBE_DEV_ID_X550EM_X_10G_T:
case IXGBE_DEV_ID_X550EM_A_SGMII:
case IXGBE_DEV_ID_X550EM_A_SGMII_L:
- case IXGBE_DEV_ID_X550EM_A_1G_T:
- case IXGBE_DEV_ID_X550EM_A_1G_T_L:
case IXGBE_DEV_ID_X550EM_A_10G_T:
case IXGBE_DEV_ID_X550EM_A_SFP:
case IXGBE_DEV_ID_X550EM_A_QSFP:
@@ -2559,6 +2557,13 @@ STATIC void ixgbe_set_mdio_speed(struct ixgbe_hw *hw)
hlreg0 &= ~IXGBE_HLREG0_MDCSPD;
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
break;
+ case IXGBE_DEV_ID_X550EM_A_1G_T:
+ case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+ /* Select fast MDIO clock speed for these devices */
+ hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
+ hlreg0 |= IXGBE_HLREG0_MDCSPD;
+ IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
+ break;
default:
break;
}
--
2.7.4
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