From: Ouyang Changchun <changchun.ouyang@intel.com>
Date: Thu, 12 Feb 2015 12:00:56 +0000 (+0800)
Subject: ixgbe/base: support 5G link speed
X-Git-Tag: spdx-start~9291
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=927318e854e805b6c5aab6152c3d5da41fbe5ad2;p=dpdk.git

ixgbe/base: support 5G link speed

Support 5G link speed for X550.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>
---

diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c
index 3bc1449811..87e5cebeaf 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_common.c
@@ -4094,6 +4094,10 @@ s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
 		 IXGBE_LINKS_SPEED_100_82599)
 		*speed = IXGBE_LINK_SPEED_100_FULL;
 	else
+		if (hw->mac.type >= ixgbe_mac_X550) {
+			if (links_reg & IXGBE_LINKS_SPEED_NON_STD)
+				*speed = IXGBE_LINK_SPEED_5GB_FULL;
+		}
 		*speed = IXGBE_LINK_SPEED_UNKNOWN;
 
 	return IXGBE_SUCCESS;
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_phy.c b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_phy.c
index 07ef83d545..38c9909f60 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_phy.c
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_phy.c
@@ -744,6 +744,44 @@ s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw)
 				      autoneg_reg);
 	}
 
+	if (hw->mac.type == ixgbe_mac_X550) {
+		if (speed & IXGBE_LINK_SPEED_5GB_FULL) {
+			/* Set or unset auto-negotiation 1G advertisement */
+			hw->phy.ops.read_reg(hw,
+				IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
+				IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+				&autoneg_reg);
+
+			autoneg_reg &= ~IXGBE_MII_5GBASE_T_ADVERTISE;
+			if (hw->phy.autoneg_advertised &
+			     IXGBE_LINK_SPEED_5GB_FULL)
+				autoneg_reg |= IXGBE_MII_5GBASE_T_ADVERTISE;
+
+			hw->phy.ops.write_reg(hw,
+				IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
+				IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+				autoneg_reg);
+		}
+
+		if (speed & IXGBE_LINK_SPEED_2_5GB_FULL) {
+			/* Set or unset auto-negotiation 1G advertisement */
+			hw->phy.ops.read_reg(hw,
+				IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
+				IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+				&autoneg_reg);
+
+			autoneg_reg &= ~IXGBE_MII_2_5GBASE_T_ADVERTISE;
+			if (hw->phy.autoneg_advertised &
+			    IXGBE_LINK_SPEED_2_5GB_FULL)
+				autoneg_reg |= IXGBE_MII_2_5GBASE_T_ADVERTISE;
+
+			hw->phy.ops.write_reg(hw,
+				IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
+				IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+				autoneg_reg);
+		}
+	}
+
 	if (speed & IXGBE_LINK_SPEED_1GB_FULL) {
 		/* Set or unset auto-negotiation 1G advertisement */
 		hw->phy.ops.read_reg(hw,
@@ -815,6 +853,12 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
 	if (speed & IXGBE_LINK_SPEED_10GB_FULL)
 		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 
+	if (speed & IXGBE_LINK_SPEED_5GB_FULL)
+		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_5GB_FULL;
+
+	if (speed & IXGBE_LINK_SPEED_2_5GB_FULL)
+		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_2_5GB_FULL;
+
 	if (speed & IXGBE_LINK_SPEED_1GB_FULL)
 		hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 
@@ -833,7 +877,8 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
  *  @speed: pointer to link speed
  *  @autoneg: boolean auto-negotiation value
  *
- *  Determines the link capabilities by reading the AUTOC register.
+ *  Determines the supported link capabilities by reading the PHY auto
+ *  negotiation register.
  **/
 s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
 					       ixgbe_link_speed *speed,
@@ -860,6 +905,15 @@ s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
 			*speed |= IXGBE_LINK_SPEED_100_FULL;
 	}
 
+	/* Internal PHY does not support 100 Mbps */
+	if (hw->mac.type == ixgbe_mac_X550EM_x)
+		*speed &= ~IXGBE_LINK_SPEED_100_FULL;
+
+	if (hw->mac.type == ixgbe_mac_X550) {
+		*speed |= IXGBE_LINK_SPEED_2_5GB_FULL;
+		*speed |= IXGBE_LINK_SPEED_5GB_FULL;
+	}
+
 	return status;
 }
 
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
index 0dba7d9a3f..2ff8ecfad5 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
@@ -1415,6 +1415,8 @@ struct ixgbe_dmac_config {
 #define IXGBE_MII_10GBASE_T_ADVERTISE		0x1000 /* full duplex, bit:12*/
 #define IXGBE_MII_1GBASE_T_ADVERTISE_XNP_TX	0x4000 /* full duplex, bit:14*/
 #define IXGBE_MII_1GBASE_T_ADVERTISE		0x8000 /* full duplex, bit:15*/
+#define IXGBE_MII_2_5GBASE_T_ADVERTISE		0x0400
+#define IXGBE_MII_5GBASE_T_ADVERTISE		0x0800
 #define IXGBE_MII_100BASE_T_ADVERTISE		0x0100 /* full duplex, bit:8 */
 #define IXGBE_MII_100BASE_T_ADVERTISE_HALF	0x0080 /* half duplex, bit:7 */
 #define IXGBE_MII_RESTART			0x200
@@ -2967,7 +2969,8 @@ typedef u32 ixgbe_link_speed;
 #define IXGBE_LINK_SPEED_UNKNOWN	0
 #define IXGBE_LINK_SPEED_100_FULL	0x0008
 #define IXGBE_LINK_SPEED_1GB_FULL	0x0020
-#define IXGBE_LINK_SPEED_2_5GB_FULL	0x0040
+#define IXGBE_LINK_SPEED_2_5GB_FULL	0x0400
+#define IXGBE_LINK_SPEED_5GB_FULL	0x0800
 #define IXGBE_LINK_SPEED_10GB_FULL	0x0080
 #define IXGBE_LINK_SPEED_82598_AUTONEG	(IXGBE_LINK_SPEED_1GB_FULL | \
 					 IXGBE_LINK_SPEED_10GB_FULL)