diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index a36c505..7b77584 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -769,7 +769,7 @@ static void cmd_help_long_parsed(void *parsed_result,
 			"    Detach physical or virtual dev by port_id\n\n"
 
 			"port config (port_id|all)"
-			" speed (10|100|1000|10000|25000|40000|50000|100000|auto)"
+			" speed (10|100|1000|10000|25000|40000|50000|100000|200000|400000|auto)"
 			" duplex (half|full|auto)\n"
 			"    Set speed and duplex for all ports or port_id\n\n"
 
@@ -1619,6 +1619,10 @@ struct cmd_config_speed_all {
 			*speed = ETH_LINK_SPEED_50G;
 		} else if (!strcmp(speedstr, "100000")) {
 			*speed = ETH_LINK_SPEED_100G;
+		} else if (!strcmp(speedstr, "200000")) {
+			*speed = ETH_LINK_SPEED_200G;
+		} else if (!strcmp(speedstr, "400000")) {
+			*speed = ETH_LINK_SPEED_400G;
 		} else if (!strcmp(speedstr, "auto")) {
 			*speed = ETH_LINK_SPEED_AUTONEG;
 		} else {
@@ -1666,7 +1670,7 @@ struct cmd_config_speed_all {
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, item1, "speed");
 cmdline_parse_token_string_t cmd_config_speed_all_value1 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, value1,
-				"10#100#1000#10000#25000#40000#50000#100000#auto");
+				"10#100#1000#10000#25000#40000#50000#100000#200000#400000#auto");
 cmdline_parse_token_string_t cmd_config_speed_all_item2 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, item2, "duplex");
 cmdline_parse_token_string_t cmd_config_speed_all_value2 =
@@ -1677,7 +1681,7 @@ struct cmd_config_speed_all {
 	.f = cmd_config_speed_all_parsed,
 	.data = NULL,
 	.help_str = "port config all speed "
-		"10|100|1000|10000|25000|40000|50000|100000|auto duplex "
+		"10|100|1000|10000|25000|40000|50000|100000|200000|400000|auto duplex "
 							"half|full|auto",
 	.tokens = {
 		(void *)&cmd_config_speed_all_port,
@@ -1741,7 +1745,7 @@ struct cmd_config_speed_specific {
 								"speed");
 cmdline_parse_token_string_t cmd_config_speed_specific_value1 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, value1,
-				"10#100#1000#10000#25000#40000#50000#100000#auto");
+				"10#100#1000#10000#25000#40000#50000#100000#200000#400000#auto");
 cmdline_parse_token_string_t cmd_config_speed_specific_item2 =
 	TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, item2,
 								"duplex");
@@ -1753,7 +1757,7 @@ struct cmd_config_speed_specific {
 	.f = cmd_config_speed_specific_parsed,
 	.data = NULL,
 	.help_str = "port config <port_id> speed "
-		"10|100|1000|10000|25000|40000|50000|100000|auto duplex "
+		"10|100|1000|10000|25000|40000|50000|100000|200000|400000|auto duplex "
 							"half|full|auto",
 	.tokens = {
 		(void *)&cmd_config_speed_specific_port,
diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst
index bacd4c6..636c356 100644
--- a/doc/guides/rel_notes/release_20_05.rst
+++ b/doc/guides/rel_notes/release_20_05.rst
@@ -56,6 +56,8 @@ New Features
      Also, make sure to start the actual text at the margin.
      =========================================================
 
+* **ethdev: Added new values to link speed for 200Gbps and 400Gbps**
+
 * **Updated Mellanox mlx5 driver.**
 
   Updated Mellanox mlx5 driver with new features and improvements, including:
diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index dcee5de..5b8b0dc 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -2153,7 +2153,7 @@ port config - speed
 
 Set the speed and duplex mode for all ports or a specific port::
 
-   testpmd> port config (port_id|all) speed (10|100|1000|10000|25000|40000|50000|100000|auto) \
+   testpmd> port config (port_id|all) speed (10|100|1000|10000|25000|40000|50000|100000|200000|400000|auto) \
             duplex (half|full|auto)
 
 port config - queues/descriptors
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index d7d3bc7..e78a665 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -119,6 +119,20 @@ struct ethtool_link_settings {
 #define ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT 38
 #define ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT 39
 #endif
+#ifndef HAVE_ETHTOOL_LINK_MODE_200G
+#define ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT 40
+#define ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT 41
+#define ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT 42
+#define ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT 43
+#define ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT 44
+#endif
+#ifndef HAVE_ETHTOOL_LINK_MODE_400G
+#define ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT 45
+#define ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT 46
+#define ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT 47
+#define ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT 48
+#define ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT 49
+#endif
 
 /**
  * Get master interface name from private structure.
@@ -537,7 +551,9 @@ struct ethtool_link_settings {
 	info->default_txportconf.ring_size = 256;
 	info->default_rxportconf.burst_size = MLX5_RX_DEFAULT_BURST;
 	info->default_txportconf.burst_size = MLX5_TX_DEFAULT_BURST;
-	if (priv->link_speed_capa & ETH_LINK_SPEED_100G) {
+	if ((priv->link_speed_capa & ETH_LINK_SPEED_400G) |
+		(priv->link_speed_capa & ETH_LINK_SPEED_200G) |
+		(priv->link_speed_capa & ETH_LINK_SPEED_100G)) {
 		info->default_rxportconf.nb_queues = 16;
 		info->default_txportconf.nb_queues = 16;
 		if (dev->data->nb_rx_queues > 2 ||
@@ -1028,6 +1044,20 @@ int mlx5_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size)
 		  MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT) |
 		  MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT)))
 		priv->link_speed_capa |= ETH_LINK_SPEED_100G;
+	if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT) |
+		  MLX5_BITSHIFT(ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT) |
+		  MLX5_BITSHIFT(
+			ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT) |
+		  MLX5_BITSHIFT(ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT) |
+		  MLX5_BITSHIFT(ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT)))
+		priv->link_speed_capa |= ETH_LINK_SPEED_200G;
+	if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT) |
+		  MLX5_BITSHIFT(ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT) |
+		  MLX5_BITSHIFT(
+			ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT) |
+		  MLX5_BITSHIFT(ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT) |
+		  MLX5_BITSHIFT(ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT)))
+		priv->link_speed_capa |= ETH_LINK_SPEED_400G;
 	dev_link.link_duplex = ((ecmd->duplex == DUPLEX_HALF) ?
 				ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX);
 	dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 0854ef8..6c49a59 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -1098,6 +1098,10 @@ struct rte_eth_dev *
 		return ETH_LINK_SPEED_56G;
 	case ETH_SPEED_NUM_100G:
 		return ETH_LINK_SPEED_100G;
+	case ETH_SPEED_NUM_200G:
+		return ETH_LINK_SPEED_200G;
+	case ETH_SPEED_NUM_400G:
+		return ETH_LINK_SPEED_400G;
 	default:
 		return 0;
 	}
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 8d69b88..5509b5a 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -283,6 +283,8 @@ struct rte_eth_stats {
 #define ETH_LINK_SPEED_50G      (1 << 12)  /**<  50 Gbps */
 #define ETH_LINK_SPEED_56G      (1 << 13)  /**<  56 Gbps */
 #define ETH_LINK_SPEED_100G     (1 << 14)  /**< 100 Gbps */
+#define ETH_LINK_SPEED_200G     (1 << 15)  /**< 200 Gbps */
+#define ETH_LINK_SPEED_400G     (1 << 16)  /**< 400 Gbps */
 
 /**
  * Ethernet numeric link speeds in Mbps
@@ -300,6 +302,8 @@ struct rte_eth_stats {
 #define ETH_SPEED_NUM_50G      50000 /**<  50 Gbps */
 #define ETH_SPEED_NUM_56G      56000 /**<  56 Gbps */
 #define ETH_SPEED_NUM_100G    100000 /**< 100 Gbps */
+#define ETH_SPEED_NUM_200G    200000 /**< 200 Gbps */
+#define ETH_SPEED_NUM_400G    400000 /**< 400 Gbps */
 
 /**
  * A structure used to retrieve link-level information of an Ethernet port.
