[dpdk-dev] [PATCH 36/39] net/ixgbe/base: update X550em_a backplane speed
Xiao Wang
xiao.w.wang at intel.com
Sat Aug 27 17:48:19 CEST 2016
Correct link flow for X550em_a backplane with ALEF.
Report the correct link capabilities:
SKUs configured for 2.5G only support 2.5G.
non-10G SKUs can only support 2.5 or 1G.
Signed-off-by: Xiao Wang <xiao.w.wang at intel.com>
---
drivers/net/ixgbe/base/ixgbe_type.h | 5 +++++
drivers/net/ixgbe/base/ixgbe_x550.c | 37 +++++++++++++++++++++++++++++--------
2 files changed, 34 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ixgbe/base/ixgbe_type.h b/drivers/net/ixgbe/base/ixgbe_type.h
index 13c520e..4982e03 100644
--- a/drivers/net/ixgbe/base/ixgbe_type.h
+++ b/drivers/net/ixgbe/base/ixgbe_type.h
@@ -4252,6 +4252,11 @@ struct ixgbe_hw {
#define IXGBE_NW_MNG_IF_SEL_MDIO_ACT (1u << 1)
#define IXGBE_NW_MNG_IF_SEL_MDIO_IF_MODE (1u << 2)
#define IXGBE_NW_MNG_IF_SEL_EN_SHARED_MDIO (1u << 13)
+#define IXGBE_NW_MNG_IF_SEL_PHY_SPEED_10M (1u << 17)
+#define IXGBE_NW_MNG_IF_SEL_PHY_SPEED_100M (1u << 18)
+#define IXGBE_NW_MNG_IF_SEL_PHY_SPEED_1G (1u << 19)
+#define IXGBE_NW_MNG_IF_SEL_PHY_SPEED_2_5G (1u << 20)
+#define IXGBE_NW_MNG_IF_SEL_PHY_SPEED_10G (1u << 21)
#define IXGBE_NW_MNG_IF_SEL_ENABLE_10_100M (1 << 23)
#define IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE (1 << 24)
#define IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT 3
diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c
index 6f4dfd9..8c2479b 100644
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -1887,6 +1887,20 @@ s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
case ixgbe_phy_sgmii:
*speed = IXGBE_LINK_SPEED_1GB_FULL;
break;
+ case ixgbe_phy_x550em_kr:
+ if (hw->mac.type == ixgbe_mac_X550EM_a) {
+ /* check different backplane modes */
+ if (hw->phy.nw_mng_if_sel &
+ IXGBE_NW_MNG_IF_SEL_PHY_SPEED_2_5G) {
+ *speed = IXGBE_LINK_SPEED_2_5GB_FULL;
+ break;
+ } else if (hw->device_id ==
+ IXGBE_DEV_ID_X550EM_A_KR_L) {
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+ break;
+ }
+ }
+ /* fall through */
default:
*speed = IXGBE_LINK_SPEED_10GB_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
@@ -2109,18 +2123,25 @@ STATIC s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
- if (status)
- return status;
+ if (hw->mac.type == ixgbe_mac_X550EM_a) {
+ /* Set lane mode to KR auto negotiation */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
- reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
- reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN;
- reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
- reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
- reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
+ if (status)
+ return status;
- status = hw->mac.ops.write_iosf_sb_reg(hw,
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
+ reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN;
+ reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
+ reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
+
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ }
return ixgbe_restart_an_internal_phy_x550em(hw);
}
--
1.9.3
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