diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 066769f..bb10b9f 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -709,6 +709,11 @@ static void cmd_help_long_parsed(void *parsed_result,
 
 			"flush_flow_director (port_id)\n"
 			"    Flush all flow director entries of a device.\n\n"
+
+			"flow_director_flex_mask (port_id)"
+			" flow (ip4|ip4-frag|tcp4|udp4|sctp4|ip6|ip6-frag|tcp6|udp6|sctp6|all)"
+			" (mask)\n"
+			"    Configure mask of flex payload.\n\n"
 		);
 	}
 }
@@ -8171,6 +8176,94 @@ cmdline_parse_inst_t cmd_flush_flow_director = {
 	},
 };
 
+/* *** deal with flow director mask on flexible payload *** */
+struct cmd_flow_director_flex_mask_result {
+	cmdline_fixed_string_t flow_director_flexmask;
+	uint8_t port_id;
+	cmdline_fixed_string_t flow;
+	cmdline_fixed_string_t flow_type;
+	cmdline_fixed_string_t mask;
+};
+
+static void
+cmd_flow_director_flex_mask_parsed(void *parsed_result,
+			  __attribute__((unused)) struct cmdline *cl,
+			  __attribute__((unused)) void *data)
+{
+	struct cmd_flow_director_flex_mask_result *res = parsed_result;
+	struct rte_eth_fdir_flex_mask flex_mask;
+	struct rte_port *port;
+	enum rte_eth_flow_type i;
+	int ret;
+
+	if (res->port_id > nb_ports) {
+		printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
+		return;
+	}
+
+	port = &ports[res->port_id];
+	/** Check if the port is not started **/
+	if (port->port_status != RTE_PORT_STOPPED) {
+		printf("Please stop port %d first\n", res->port_id);
+		return;
+	}
+
+	memset(&flex_mask, 0, sizeof(struct rte_eth_fdir_flex_mask));
+	ret = parse_flexbytes(res->mask,
+			flex_mask.mask,
+			RTE_ETH_FDIR_MAX_FLEXLEN);
+	if (ret < 0) {
+		printf("error: Cannot parse mask input.\n");
+		return;
+	}
+	if (!strcmp(res->flow_type, "all")) {
+		for (i = RTE_ETH_FLOW_TYPE_UDPV4;
+		     i <= RTE_ETH_FLOW_TYPE_FRAG_IPV6;
+		     i++) {
+			flex_mask.flow_type = i;
+			fdir_set_flex_mask(res->port_id, &flex_mask);
+		}
+		cmd_reconfig_device_queue(res->port_id, 1, 0);
+		return;
+	}
+	flex_mask.flow_type = str2flowtype(res->flow_type);
+	fdir_set_flex_mask(res->port_id, &flex_mask);
+	cmd_reconfig_device_queue(res->port_id, 1, 0);
+}
+
+cmdline_parse_token_string_t cmd_flow_director_flexmask =
+	TOKEN_STRING_INITIALIZER(struct cmd_flow_director_flex_mask_result,
+				 flow_director_flexmask,
+				 "flow_director_flex_mask");
+cmdline_parse_token_num_t cmd_flow_director_flexmask_port_id =
+	TOKEN_NUM_INITIALIZER(struct cmd_flow_director_flex_mask_result,
+			      port_id, UINT8);
+cmdline_parse_token_string_t cmd_flow_director_flexmask_flow =
+	TOKEN_STRING_INITIALIZER(struct cmd_flow_director_flex_mask_result,
+				 flow, "flow");
+cmdline_parse_token_string_t cmd_flow_director_flexmask_flow_type =
+	TOKEN_STRING_INITIALIZER(struct cmd_flow_director_flex_mask_result,
+				 flow_type,
+				"ip4#ip4-frag#tcp4#udp4#sctp4#"
+				"ip6#ip6-frag#tcp6#udp6#sctp6#all");
+cmdline_parse_token_string_t cmd_flow_director_flexmask_mask =
+	TOKEN_STRING_INITIALIZER(struct cmd_flow_director_flex_mask_result,
+				 mask, NULL);
+
+cmdline_parse_inst_t cmd_set_flow_director_flex_mask = {
+	.f = cmd_flow_director_flex_mask_parsed,
+	.data = NULL,
+	.help_str = "set flow director's flex mask on NIC",
+	.tokens = {
+		(void *)&cmd_flow_director_flexmask,
+		(void *)&cmd_flow_director_flexmask_port_id,
+		(void *)&cmd_flow_director_flexmask_flow,
+		(void *)&cmd_flow_director_flexmask_flow_type,
+		(void *)&cmd_flow_director_flexmask_mask,
+		NULL,
+	},
+};
+
 /* ******************************************************************************** */
 
 /* list of instructions */
@@ -8304,6 +8397,7 @@ cmdline_parse_ctx_t main_ctx[] = {
 	(cmdline_parse_inst_t *)&cmd_add_del_udp_flow_director,
 	(cmdline_parse_inst_t *)&cmd_add_del_sctp_flow_director,
 	(cmdline_parse_inst_t *)&cmd_flush_flow_director,
+	(cmdline_parse_inst_t *)&cmd_set_flow_director_flex_mask,
 	NULL,
 };
 
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index b7e4412..e1ac901 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -2021,6 +2021,36 @@ fdir_set_masks(portid_t port_id, struct rte_fdir_masks *fdir_masks)
 }
 
 void
+fdir_set_flex_mask(portid_t port_id, struct rte_eth_fdir_flex_mask *cfg)
+{
+	struct rte_port *port;
+	struct rte_eth_fdir_flex_conf *flex_conf;
+	int i, idx = 0;
+
+	port = &ports[port_id];
+	flex_conf = &port->dev_conf.fdir_conf.flex_conf;
+	for (i = 0; i < RTE_ETH_FLOW_TYPE_MAX; i++) {
+		if (cfg->flow_type == flex_conf->flex_mask[i].flow_type) {
+			idx = i;
+			break;
+		}
+	}
+	if (i >= RTE_ETH_FLOW_TYPE_MAX) {
+		if (flex_conf->nb_flexmasks < RTE_DIM(flex_conf->flex_mask)) {
+			idx = flex_conf->nb_flexmasks;
+			flex_conf->nb_flexmasks++;
+		} else {
+			printf("The flex mask table is full. Can not set flex"
+				" mask for flow_type(%u).", cfg->flow_type);
+			return;
+		}
+	}
+	(void)rte_memcpy(&flex_conf->flex_mask[idx],
+			 cfg,
+			 sizeof(struct rte_eth_fdir_flex_mask));
+}
+
+void
 set_vf_traffic(portid_t port_id, uint8_t is_rx, uint16_t vf, uint8_t on)
 {
 	int diag;
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
index 9cbfeac..05a65d4 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -532,7 +532,8 @@ void fdir_update_perfect_filter(portid_t port_id, uint16_t soft_id,
 void fdir_remove_perfect_filter(portid_t port_id, uint16_t soft_id,
 				struct rte_fdir_filter *fdir_filter);
 void fdir_set_masks(portid_t port_id, struct rte_fdir_masks *fdir_masks);
-
+void fdir_set_flex_mask(portid_t port_id,
+			   struct rte_eth_fdir_flex_mask *cfg);
 void port_rss_reta_info(portid_t port_id, struct rte_eth_rss_reta *reta_conf);
 
 void set_vf_traffic(portid_t port_id, uint8_t is_rx, uint16_t vf, uint8_t on);
