diff --git a/examples/l3fwd/l3fwd.h b/examples/l3fwd/l3fwd.h
index e7ae0e5834..12c264cb4c 100644
--- a/examples/l3fwd/l3fwd.h
+++ b/examples/l3fwd/l3fwd.h
@@ -74,7 +74,7 @@ struct mbuf_table {
 
 struct lcore_rx_queue {
 	uint16_t port_id;
-	uint8_t queue_id;
+	uint16_t queue_id;
 } __rte_cache_aligned;
 
 struct lcore_conf {
diff --git a/examples/l3fwd/l3fwd_acl.c b/examples/l3fwd/l3fwd_acl.c
index 401692bcec..2bd63181bc 100644
--- a/examples/l3fwd/l3fwd_acl.c
+++ b/examples/l3fwd/l3fwd_acl.c
@@ -997,7 +997,7 @@ acl_main_loop(__rte_unused void *dummy)
 	uint64_t prev_tsc, diff_tsc, cur_tsc;
 	int i, nb_rx;
 	uint16_t portid;
-	uint8_t queueid;
+	uint16_t queueid;
 	struct lcore_conf *qconf;
 	int socketid;
 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
@@ -1020,7 +1020,7 @@ acl_main_loop(__rte_unused void *dummy)
 		portid = qconf->rx_queue_list[i].port_id;
 		queueid = qconf->rx_queue_list[i].queue_id;
 		RTE_LOG(INFO, L3FWD,
-			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+			" -- lcoreid=%u portid=%u rxqueueid=%hu\n",
 			lcore_id, portid, queueid);
 	}
 
diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
index 40e102b38a..cd2bb4a4bb 100644
--- a/examples/l3fwd/l3fwd_em.c
+++ b/examples/l3fwd/l3fwd_em.c
@@ -586,7 +586,7 @@ em_main_loop(__rte_unused void *dummy)
 	unsigned lcore_id;
 	uint64_t prev_tsc, diff_tsc, cur_tsc;
 	int i, nb_rx;
-	uint8_t queueid;
+	uint16_t queueid;
 	uint16_t portid;
 	struct lcore_conf *qconf;
 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
@@ -609,7 +609,7 @@ em_main_loop(__rte_unused void *dummy)
 		portid = qconf->rx_queue_list[i].port_id;
 		queueid = qconf->rx_queue_list[i].queue_id;
 		RTE_LOG(INFO, L3FWD,
-			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+			" -- lcoreid=%u portid=%u rxqueueid=%hu\n",
 			lcore_id, portid, queueid);
 	}
 
diff --git a/examples/l3fwd/l3fwd_event.h b/examples/l3fwd/l3fwd_event.h
index 9aad358003..c6a4a89127 100644
--- a/examples/l3fwd/l3fwd_event.h
+++ b/examples/l3fwd/l3fwd_event.h
@@ -78,8 +78,8 @@ struct l3fwd_event_resources {
 	uint8_t deq_depth;
 	uint8_t has_burst;
 	uint8_t enabled;
-	uint8_t eth_rx_queues;
 	uint8_t vector_enabled;
+	uint16_t eth_rx_queues;
 	uint16_t vector_size;
 	uint64_t vector_tmo_ns;
 };
diff --git a/examples/l3fwd/l3fwd_fib.c b/examples/l3fwd/l3fwd_fib.c
index 6a21984415..7da55f707a 100644
--- a/examples/l3fwd/l3fwd_fib.c
+++ b/examples/l3fwd/l3fwd_fib.c
@@ -186,7 +186,7 @@ fib_main_loop(__rte_unused void *dummy)
 	uint64_t prev_tsc, diff_tsc, cur_tsc;
 	int i, nb_rx;
 	uint16_t portid;
-	uint8_t queueid;
+	uint16_t queueid;
 	struct lcore_conf *qconf;
 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 			US_PER_S * BURST_TX_DRAIN_US;
@@ -208,7 +208,7 @@ fib_main_loop(__rte_unused void *dummy)
 		portid = qconf->rx_queue_list[i].port_id;
 		queueid = qconf->rx_queue_list[i].queue_id;
 		RTE_LOG(INFO, L3FWD,
-				" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+				" -- lcoreid=%u portid=%u rxqueueid=%hu\n",
 				lcore_id, portid, queueid);
 	}
 
diff --git a/examples/l3fwd/l3fwd_lpm.c b/examples/l3fwd/l3fwd_lpm.c
index a484a33089..01d38bc69c 100644
--- a/examples/l3fwd/l3fwd_lpm.c
+++ b/examples/l3fwd/l3fwd_lpm.c
@@ -148,8 +148,7 @@ lpm_main_loop(__rte_unused void *dummy)
 	unsigned lcore_id;
 	uint64_t prev_tsc, diff_tsc, cur_tsc;
 	int i, nb_rx;
-	uint16_t portid;
-	uint8_t queueid;
+	uint16_t portid, queueid;
 	struct lcore_conf *qconf;
 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 		US_PER_S * BURST_TX_DRAIN_US;
@@ -171,7 +170,7 @@ lpm_main_loop(__rte_unused void *dummy)
 		portid = qconf->rx_queue_list[i].port_id;
 		queueid = qconf->rx_queue_list[i].queue_id;
 		RTE_LOG(INFO, L3FWD,
-			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+			" -- lcoreid=%u portid=%u rxqueueid=%hu\n",
 			lcore_id, portid, queueid);
 	}
 
diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
index 3bf28aec0c..db49f4707d 100644
--- a/examples/l3fwd/main.c
+++ b/examples/l3fwd/main.c
@@ -98,8 +98,8 @@ struct parm_cfg parm_config;
 
 struct lcore_params {
 	uint16_t port_id;
-	uint8_t queue_id;
-	uint8_t lcore_id;
+	uint16_t queue_id;
+	uint16_t lcore_id;
 } __rte_cache_aligned;
 
 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
@@ -292,24 +292,24 @@ setup_l3fwd_lookup_tables(void)
 static int
 check_lcore_params(void)
 {
-	uint8_t queue, lcore;
+	uint16_t queue, lcore;
 	uint16_t i;
 	int socketid;
 
 	for (i = 0; i < nb_lcore_params; ++i) {
 		queue = lcore_params[i].queue_id;
 		if (queue >= MAX_RX_QUEUE_PER_PORT) {
-			printf("invalid queue number: %hhu\n", queue);
+			printf("invalid queue number: %hu\n", queue);
 			return -1;
 		}
 		lcore = lcore_params[i].lcore_id;
 		if (!rte_lcore_is_enabled(lcore)) {
-			printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
+			printf("error: lcore %hu is not enabled in lcore mask\n", lcore);
 			return -1;
 		}
 		if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
 			(numa_on == 0)) {
-			printf("warning: lcore %hhu is on socket %d with numa off \n",
+			printf("warning: lcore %hu is on socket %d with numa off\n",
 				lcore, socketid);
 		}
 	}
@@ -336,7 +336,7 @@ check_port_config(void)
 	return 0;
 }
 
-static uint8_t
+static uint16_t
 get_port_n_rx_queues(const uint16_t port)
 {
 	int queue = -1;
@@ -352,14 +352,14 @@ get_port_n_rx_queues(const uint16_t port)
 						lcore_params[i].port_id);
 		}
 	}
-	return (uint8_t)(++queue);
+	return (uint16_t)(++queue);
 }
 
 static int
 init_lcore_rx_queues(void)
 {
 	uint16_t i, nb_rx_queue;
-	uint8_t lcore;
+	uint16_t lcore;
 
 	for (i = 0; i < nb_lcore_params; ++i) {
 		lcore = lcore_params[i].lcore_id;
@@ -500,6 +500,8 @@ parse_config(const char *q_arg)
 	char *str_fld[_NUM_FLD];
 	int i;
 	unsigned size;
+	uint16_t max_fld[_NUM_FLD] = {RTE_MAX_ETHPORTS,
+				USHRT_MAX, RTE_MAX_LCORE};
 
 	nb_lcore_params = 0;
 
@@ -518,7 +520,8 @@ parse_config(const char *q_arg)
 		for (i = 0; i < _NUM_FLD; i++){
 			errno = 0;
 			int_fld[i] = strtoul(str_fld[i], &end, 0);
-			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
+			if (errno != 0 || end == str_fld[i] || int_fld[i] >
+									max_fld[i])
 				return -1;
 		}
 		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
@@ -527,11 +530,11 @@ parse_config(const char *q_arg)
 			return -1;
 		}
 		lcore_params_array[nb_lcore_params].port_id =
-			(uint8_t)int_fld[FLD_PORT];
+			(uint16_t)int_fld[FLD_PORT];
 		lcore_params_array[nb_lcore_params].queue_id =
-			(uint8_t)int_fld[FLD_QUEUE];
+			(uint16_t)int_fld[FLD_QUEUE];
 		lcore_params_array[nb_lcore_params].lcore_id =
-			(uint8_t)int_fld[FLD_LCORE];
+			(uint16_t)int_fld[FLD_LCORE];
 		++nb_lcore_params;
 	}
 	lcore_params = lcore_params_array;
@@ -630,7 +633,7 @@ parse_event_eth_rx_queues(const char *eth_rx_queues)
 {
 	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
 	char *end = NULL;
-	uint8_t num_eth_rx_queues;
+	uint16_t num_eth_rx_queues;
 
 	/* parse decimal string */
 	num_eth_rx_queues = strtoul(eth_rx_queues, &end, 10);
@@ -1211,7 +1214,8 @@ config_port_max_pkt_len(struct rte_eth_conf *conf,
 static void
 l3fwd_poll_resource_setup(void)
 {
-	uint8_t nb_rx_queue, queue, socketid;
+	uint8_t socketid;
+	uint16_t nb_rx_queue, queue;
 	struct rte_eth_dev_info dev_info;
 	uint32_t n_tx_queue, nb_lcores;
 	struct rte_eth_txconf *txconf;
@@ -1528,7 +1532,7 @@ main(int argc, char **argv)
 	struct lcore_conf *qconf;
 	uint16_t queueid, portid;
 	unsigned int lcore_id;
-	uint8_t queue;
+	uint16_t queue;
 	int ret;
 
 	/* init EAL */
