diff --git a/examples/ipsec-secgw/event_helper.h b/examples/ipsec-secgw/event_helper.h
index dfb81bfcf1..be635685b4 100644
--- a/examples/ipsec-secgw/event_helper.h
+++ b/examples/ipsec-secgw/event_helper.h
@@ -102,7 +102,7 @@ struct eh_event_link_info {
 		/**< Event port ID */
 	uint8_t eventq_id;
 		/**< Event queue to be linked to the port */
-	uint8_t lcore_id;
+	uint32_t lcore_id;
 		/**< Lcore to be polling on this port */
 };
 
diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c
index 45a303850d..dc7491a2b9 100644
--- a/examples/ipsec-secgw/ipsec-secgw.c
+++ b/examples/ipsec-secgw/ipsec-secgw.c
@@ -220,8 +220,8 @@ static const char *cfgfile;
 
 struct lcore_params {
 	uint16_t port_id;
-	uint8_t queue_id;
-	uint8_t lcore_id;
+	uint16_t queue_id;
+	uint32_t lcore_id;
 } __rte_cache_aligned;
 
 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
@@ -695,8 +695,7 @@ ipsec_poll_mode_worker(void)
 	struct rte_mbuf *pkts[MAX_PKT_BURST];
 	uint32_t lcore_id;
 	uint64_t prev_tsc, diff_tsc, cur_tsc;
-	uint16_t i, nb_rx, portid;
-	uint8_t queueid;
+	uint16_t i, nb_rx, portid, queueid;
 	struct lcore_conf *qconf;
 	int32_t rc, socket_id;
 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
@@ -743,7 +742,7 @@ ipsec_poll_mode_worker(void)
 		portid = rxql[i].port_id;
 		queueid = rxql[i].queue_id;
 		RTE_LOG(INFO, IPSEC,
-			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+			" -- lcoreid=%u portid=%u rxqueueid=%hu\n",
 			lcore_id, portid, queueid);
 	}
 
@@ -788,8 +787,7 @@ int
 check_flow_params(uint16_t fdir_portid, uint8_t fdir_qid)
 {
 	uint16_t i;
-	uint16_t portid;
-	uint8_t queueid;
+	uint16_t portid, queueid;
 
 	for (i = 0; i < nb_lcore_params; ++i) {
 		portid = lcore_params_array[i].port_id;
@@ -809,7 +807,7 @@ check_flow_params(uint16_t fdir_portid, uint8_t fdir_qid)
 static int32_t
 check_poll_mode_params(struct eh_conf *eh_conf)
 {
-	uint8_t lcore;
+	uint32_t lcore;
 	uint16_t portid;
 	uint16_t i;
 	int32_t socket_id;
@@ -828,13 +826,13 @@ check_poll_mode_params(struct eh_conf *eh_conf)
 	for (i = 0; i < nb_lcore_params; ++i) {
 		lcore = lcore_params[i].lcore_id;
 		if (!rte_lcore_is_enabled(lcore)) {
-			printf("error: lcore %hhu is not enabled in "
+			printf("error: lcore %u is not enabled in "
 				"lcore mask\n", lcore);
 			return -1;
 		}
 		socket_id = rte_lcore_to_socket_id(lcore);
 		if (socket_id != 0 && numa_on == 0) {
-			printf("warning: lcore %hhu is on socket %d "
+			printf("warning: lcore %u is on socket %d "
 				"with numa off\n",
 				lcore, socket_id);
 		}
@@ -851,7 +849,7 @@ check_poll_mode_params(struct eh_conf *eh_conf)
 	return 0;
 }
 
-static uint8_t
+static uint16_t
 get_port_nb_rx_queues(const uint16_t port)
 {
 	int32_t queue = -1;
@@ -862,14 +860,14 @@ get_port_nb_rx_queues(const uint16_t port)
 				lcore_params[i].queue_id > queue)
 			queue = lcore_params[i].queue_id;
 	}
-	return (uint8_t)(++queue);
+	return (uint16_t)(++queue);
 }
 
 static int32_t
 init_lcore_rx_queues(void)
 {
 	uint16_t i, nb_rx_queue;
-	uint8_t lcore;
+	uint32_t lcore;
 
 	for (i = 0; i < nb_lcore_params; ++i) {
 		lcore = lcore_params[i].lcore_id;
@@ -1050,6 +1048,8 @@ parse_config(const char *q_arg)
 	char *str_fld[_NUM_FLD];
 	int32_t i;
 	uint32_t size;
+	uint32_t max_fld[_NUM_FLD] = {RTE_MAX_ETHPORTS,
+				USHRT_MAX, RTE_MAX_LCORE};
 
 	nb_lcore_params = 0;
 
@@ -1070,7 +1070,7 @@ 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) {
@@ -1079,11 +1079,11 @@ 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];
+			(uint32_t)int_fld[FLD_LCORE];
 		++nb_lcore_params;
 	}
 	lcore_params = lcore_params_array;
@@ -1919,7 +1919,8 @@ port_init(uint16_t portid, uint64_t req_rx_offloads, uint64_t req_tx_offloads,
 	struct rte_eth_dev_info dev_info;
 	struct rte_eth_txconf *txconf;
 	uint16_t nb_tx_queue, nb_rx_queue;
-	uint16_t tx_queueid, rx_queueid, queue, lcore_id;
+	uint16_t tx_queueid, rx_queueid, queue;
+	uint32_t lcore_id;
 	int32_t ret, socket_id;
 	struct lcore_conf *qconf;
 	struct rte_ether_addr ethaddr;
diff --git a/examples/ipsec-secgw/ipsec.c b/examples/ipsec-secgw/ipsec.c
index c321108119..b52b0ffc3d 100644
--- a/examples/ipsec-secgw/ipsec.c
+++ b/examples/ipsec-secgw/ipsec.c
@@ -259,7 +259,7 @@ create_lookaside_session(struct ipsec_ctx *ipsec_ctx_lcore[],
 			continue;
 
 		/* Looking for cryptodev, which can handle this SA */
-		key.lcore_id = (uint8_t)lcore_id;
+		key.lcore_id = lcore_id;
 		key.cipher_algo = (uint8_t)sa->cipher_algo;
 		key.auth_algo = (uint8_t)sa->auth_algo;
 		key.aead_algo = (uint8_t)sa->aead_algo;
diff --git a/examples/ipsec-secgw/ipsec.h b/examples/ipsec-secgw/ipsec.h
index bdcada1c40..6526a80d81 100644
--- a/examples/ipsec-secgw/ipsec.h
+++ b/examples/ipsec-secgw/ipsec.h
@@ -256,11 +256,11 @@ extern struct offloads tx_offloads;
  * (hash key calculation reads 8 bytes if this struct is size 5 bytes).
  */
 struct cdev_key {
-	uint16_t lcore_id;
+	uint32_t lcore_id;
 	uint8_t cipher_algo;
 	uint8_t auth_algo;
 	uint8_t aead_algo;
-	uint8_t padding[3]; /* padding to 8-byte size should be zeroed */
+	uint8_t padding; /* padding to 8-byte size should be zeroed */
 };
 
 struct socket_ctx {
@@ -285,7 +285,7 @@ struct cnt_blk {
 
 struct lcore_rx_queue {
 	uint16_t port_id;
-	uint8_t queue_id;
+	uint16_t queue_id;
 	void *sec_ctx;
 } __rte_cache_aligned;
 
diff --git a/examples/ipsec-secgw/ipsec_worker.c b/examples/ipsec-secgw/ipsec_worker.c
index 8d122e8519..90a4c38ba4 100644
--- a/examples/ipsec-secgw/ipsec_worker.c
+++ b/examples/ipsec-secgw/ipsec_worker.c
@@ -1598,8 +1598,7 @@ ipsec_poll_mode_wrkr_inl_pr(void)
 	int32_t socket_id;
 	uint32_t lcore_id;
 	int32_t i, nb_rx;
-	uint16_t portid;
-	uint8_t queueid;
+	uint16_t portid, queueid;
 
 	prev_tsc = 0;
 	lcore_id = rte_lcore_id();
@@ -1633,7 +1632,7 @@ ipsec_poll_mode_wrkr_inl_pr(void)
 		portid = rxql[i].port_id;
 		queueid = rxql[i].queue_id;
 		RTE_LOG(INFO, IPSEC,
-			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+			" -- lcoreid=%u portid=%u rxqueueid=%hu\n",
 			lcore_id, portid, queueid);
 	}
 
@@ -1729,8 +1728,7 @@ ipsec_poll_mode_wrkr_inl_pr_ss(void)
 	uint32_t i, nb_rx, j;
 	int32_t socket_id;
 	uint32_t lcore_id;
-	uint16_t portid;
-	uint8_t queueid;
+	uint16_t portid, queueid;
 
 	prev_tsc = 0;
 	lcore_id = rte_lcore_id();
@@ -1764,7 +1762,7 @@ ipsec_poll_mode_wrkr_inl_pr_ss(void)
 		portid = rxql[i].port_id;
 		queueid = rxql[i].queue_id;
 		RTE_LOG(INFO, IPSEC,
-			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+			" -- lcoreid=%u portid=%u rxqueueid=%hu\n",
 			lcore_id, portid, queueid);
 	}
 
