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net/ixgbe/base: update X550em_a backplane speed

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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@intel.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
This commit is contained in:
Xiao Wang 2016-09-25 17:00:13 +08:00 committed by Bruce Richardson
parent 8709f63782
commit 377af5f38e
2 changed files with 34 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ixgbe/base/ixgbe_type.h
View File

@ -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

37
drivers/net/ixgbe/base/ixgbe_x550.c
View File

@ -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, &reg_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);
}