[dpdk-dev] [PATCH v1] net/ixgbe: configure EXVET_T register

[Lingyu Liu]

According to X550 datasheet (section 8.2.1.2), when setting vlan tpid,
the register EXVET_T on X550 NICs also need to be configured.

Signed-off-by: Lingyu Liu <lingyu.liu at intel.com>
---
 drivers/net/ixgbe/base/ixgbe_type.h |  1 +
 drivers/net/ixgbe/ixgbe_ethdev.c    | 33 +++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/drivers/net/ixgbe/base/ixgbe_type.h b/drivers/net/ixgbe/base/ixgbe_type.h
index bc927a3..8e22be7 100644
--- a/drivers/net/ixgbe/base/ixgbe_type.h
+++ b/drivers/net/ixgbe/base/ixgbe_type.h
@@ -151,6 +151,7 @@
 #define IXGBE_TCPTIMER		0x0004C
 #define IXGBE_CORESPARE		0x00600
 #define IXGBE_EXVET		0x05078
+#define IXGBE_EXVET_T		0x08224
 
 /* NVM Registers */
 #define IXGBE_EEC		0x10010
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index dcd7291..b9c89e8 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1925,6 +1925,39 @@ ixgbe_vlan_tpid_set(struct rte_eth_dev *dev,
 			/* Only the high 16-bits is valid */
 			IXGBE_WRITE_REG(hw, IXGBE_EXVET, (uint32_t)tpid <<
 					IXGBE_EXVET_VET_EXT_SHIFT);
+			/* For X550, additional register need be set*/
+			switch (hw->device_id) {
+			case IXGBE_DEV_ID_X550T:
+			case IXGBE_DEV_ID_X550T1:
+			case IXGBE_DEV_ID_X550EM_A_KR:
+			case IXGBE_DEV_ID_X550EM_A_KR_L:
+			case IXGBE_DEV_ID_X550EM_A_SFP_N:
+			case IXGBE_DEV_ID_X550EM_A_SGMII:
+			case IXGBE_DEV_ID_X550EM_A_SGMII_L:
+			case IXGBE_DEV_ID_X550EM_A_10G_T:
+			case IXGBE_DEV_ID_X550EM_A_QSFP:
+			case IXGBE_DEV_ID_X550EM_A_QSFP_N:
+			case IXGBE_DEV_ID_X550EM_A_SFP:
+			case IXGBE_DEV_ID_X550EM_A_1G_T:
+			case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+			case IXGBE_DEV_ID_X550EM_X_KX4:
+			case IXGBE_DEV_ID_X550EM_X_KR:
+			case IXGBE_DEV_ID_X550EM_X_SFP:
+			case IXGBE_DEV_ID_X550EM_X_10G_T:
+			case IXGBE_DEV_ID_X550EM_X_1G_T:
+			case IXGBE_DEV_ID_X550EM_X_XFI:
+			case IXGBE_DEV_ID_X550_VF_HV:
+			case IXGBE_DEV_ID_X550_VF:
+			case IXGBE_DEV_ID_X550EM_A_VF:
+			case IXGBE_DEV_ID_X550EM_A_VF_HV:
+			case IXGBE_DEV_ID_X550EM_X_VF:
+			case IXGBE_DEV_ID_X550EM_X_VF_HV:
+				IXGBE_WRITE_REG(hw, IXGBE_EXVET_T, (uint32_t)tpid <<
+					IXGBE_EXVET_VET_EXT_SHIFT);
+				break;
+			default:
+				break;
+			}
 		} else {
 			reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 			reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid;
-- 
2.25.1