diff --git a/src/packet_io/marsio_mode/pio_marsio.cpp b/src/packet_io/marsio_mode/pio_marsio.cpp
index c87c374..8a95266 100644
--- a/src/packet_io/marsio_mode/pio_marsio.cpp
+++ b/src/packet_io/marsio_mode/pio_marsio.cpp
@@ -319,7 +319,7 @@ int pio_marsio_device_close(struct packet_io_device *pdev)
     return 0;
 }
 
-int pio_marsio_device_receive(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts) 
+int pio_marsio_device_receive(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts) 
 {
 	struct mr_vdev *mr_dev_handle = pdev->entity.marsio_dev_ctx->mr_dev_handle;
 	marsio_buff_t *rx_buff[MARSIO_BURST_PKT_MAX];
@@ -335,7 +335,7 @@ int pio_marsio_device_receive(struct packet_io_device *pdev, uint32_t rxq_id, st
 	return recv_res;
 }
 
-int pio_marsio_device_send(struct packet_io_device *pdev, uint32_t txq_id, struct stellar_packet **pkts, int nr_pkts) 
+int pio_marsio_device_send(struct packet_io_device *pdev, uint16_t txq_id, struct stellar_packet **pkts, int nr_pkts) 
 {
 	struct mr_sendpath *sendpath_handle = pdev->entity.marsio_dev_ctx->mr_sendpath_handle;
 	int ret = g_marsio_dll_func.marsio_send_burst(sendpath_handle, txq_id, (marsio_buff_t **)pkts, nr_pkts);
@@ -347,7 +347,7 @@ int pio_marsio_device_send(struct packet_io_device *pdev, uint32_t txq_id, struc
 	return ret;
 }
 
-void pio_marsio_device_pkt_free(struct packet_io_device *pdev, uint32_t qid, struct stellar_packet **pkts, int nr_pkts)
+void pio_marsio_device_pkt_free(struct packet_io_device *pdev, uint16_t qid, struct stellar_packet **pkts, int nr_pkts)
 {
 	struct mr_instance *mr_inst = pdev->ppio_inst->entity.marsio_inst_ctx->mr_inst_handle;
 	g_marsio_dll_func.marsio_buff_free(mr_inst, (marsio_buff_t **)pkts, nr_pkts, MARSIO_SOCKET_ID_ANY, qid);
diff --git a/src/packet_io/marsio_mode/pio_marsio.h b/src/packet_io/marsio_mode/pio_marsio.h
index 0a81ff7..0e4814a 100644
--- a/src/packet_io/marsio_mode/pio_marsio.h
+++ b/src/packet_io/marsio_mode/pio_marsio.h
@@ -141,7 +141,7 @@ int pio_marsio_device_close(struct packet_io_device *pdev);
  * 
  * @retval number of packets actually received
  */
-int pio_marsio_device_receive(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
+int pio_marsio_device_receive(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
 
 /**
  * @brief send packets by device's single tx queue which specified by txq_id
@@ -153,7 +153,7 @@ int pio_marsio_device_receive(struct packet_io_device *pdev, uint32_t rxq_id, st
  * 
  * @retval if ret<0, means the sending fails; if ret==0 means the sending succeeds
  */
-int pio_marsio_device_send(struct packet_io_device *pdev, uint32_t txq_id, struct stellar_packet **pkts, int nr_pkts);
+int pio_marsio_device_send(struct packet_io_device *pdev, uint16_t txq_id, struct stellar_packet **pkts, int nr_pkts);
 
 /**
  * @brief manually free packet's memory
@@ -163,7 +163,7 @@ int pio_marsio_device_send(struct packet_io_device *pdev, uint32_t txq_id, struc
  * @param pkts:
  * @param nr_pkts:
  */
-void pio_marsio_device_pkt_free(struct packet_io_device *pdev, uint32_t qid, struct stellar_packet **pkts, int nr_pkts);
+void pio_marsio_device_pkt_free(struct packet_io_device *pdev, uint16_t qid, struct stellar_packet **pkts, int nr_pkts);
 
 void *pio_marsio_device_buff_ctrlzone(struct stellar_packet *p);
 
diff --git a/src/packet_io/packet_io.cpp b/src/packet_io/packet_io.cpp
index 7d276c6..957034b 100644
--- a/src/packet_io/packet_io.cpp
+++ b/src/packet_io/packet_io.cpp
@@ -113,7 +113,7 @@ void packet_io_instance_destroy(struct packet_io_instance *pinst) {
 }
 
 struct packet_io_device *
-packet_io_device_open(struct packet_io_instance *pinst, const char *dev_name, uint32_t nr_rxq, uint32_t nr_txq)
+packet_io_device_open(struct packet_io_instance *pinst, const char *dev_name, uint16_t nr_rxq, uint16_t nr_txq)
 {
 	struct packet_io_device *ppio_dev = CALLOC(struct packet_io_device, 1);
 	if (nullptr == ppio_dev) {
@@ -167,17 +167,17 @@ void packet_io_device_close(struct packet_io_device *pdev)
 	FREE(pdev);
 }
 
-int packet_io_device_rx(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts)
+int packet_io_device_rx(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts)
 {
 	return pdev->dev_ops->recv(pdev, rxq_id, pkts, nr_pkts);
 }
 
-int packet_io_device_tx(struct packet_io_device *pdev, uint32_t txq_id, struct stellar_packet **pkts, int nr_pkts)
+int packet_io_device_tx(struct packet_io_device *pdev, uint16_t txq_id, struct stellar_packet **pkts, int nr_pkts)
 {
 	return pdev->dev_ops->send(pdev, txq_id, pkts, nr_pkts);
 }
 
-void packet_io_pkts_free(struct packet_io_device *pdev, uint32_t qid, struct stellar_packet **pkts, int nr_pkts)
+void packet_io_pkts_free(struct packet_io_device *pdev, uint16_t qid, struct stellar_packet **pkts, int nr_pkts)
 {
 	return pdev->dev_ops->pkt_free(pdev, qid, pkts, nr_pkts);
 }
diff --git a/src/packet_io/packet_io.h b/src/packet_io/packet_io.h
index ddb3994..fc55082 100644
--- a/src/packet_io/packet_io.h
+++ b/src/packet_io/packet_io.h
@@ -66,11 +66,11 @@ struct pio_device_operations {
 
 	int (*close)(struct packet_io_device *pdev);
 
-	int (*recv)(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
+	int (*recv)(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
 
-	int (*send)(struct packet_io_device *pdev, uint32_t txq_id, struct stellar_packet **pkts, int nr_pkts);
+	int (*send)(struct packet_io_device *pdev, uint16_t txq_id, struct stellar_packet **pkts, int nr_pkts);
 
-	void (*pkt_free)(struct packet_io_device *pdev, uint32_t qid, struct stellar_packet **pkts, int nr_pkts);
+	void (*pkt_free)(struct packet_io_device *pdev, uint16_t qid, struct stellar_packet **pkts, int nr_pkts);
 
 	void *(*buff_ctrlzone)(struct stellar_packet *p);
 
@@ -89,10 +89,10 @@ struct packet_io_device {
 	struct pio_device_operations *dev_ops;
 
 	/* number of receive queue */
-	uint32_t rxq_num;
+	uint16_t rxq_num;
 
 	/* number of send queue */
-	uint32_t txq_num;
+	uint16_t txq_num;
 
 	/* packet io device context */
 	union {
@@ -126,7 +126,7 @@ void packet_io_instance_destroy(struct packet_io_instance *pinst);
  * @param nr_txq:   number of send queue for the device
  */
 struct packet_io_device *
-packet_io_device_open(struct packet_io_instance *pinst, const char *dev_name, uint32_t nr_rxq, uint32_t nr_txq);
+packet_io_device_open(struct packet_io_instance *pinst, const char *dev_name, uint16_t nr_rxq, uint16_t nr_txq);
 
 /** close packet_io device */
 void packet_io_device_close(struct packet_io_device *dev);
@@ -139,7 +139,7 @@ void packet_io_device_close(struct packet_io_device *dev);
  * @param p:      received packet's pointer array
  * @param nr_p:   number of received packets
  */
-int packet_io_device_rx(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
+int packet_io_device_rx(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
 
 /**
  * @brief packet_io device send function
@@ -149,12 +149,12 @@ int packet_io_device_rx(struct packet_io_device *pdev, uint32_t rxq_id, struct s
  * @param p:      prepare to send packet's pointer array
  * @param nr_p:   number of packets which prepare to send
  */
-int packet_io_device_tx(struct packet_io_device *pdev, uint32_t txq_id, struct stellar_packet **pkts, int nr_pkts);
+int packet_io_device_tx(struct packet_io_device *pdev, uint16_t txq_id, struct stellar_packet **pkts, int nr_pkts);
 
 /*
  * @brief packet_io free packet buff
  */
-void packet_io_pkts_free(struct packet_io_device *pdev, uint32_t qid, struct stellar_packet **pkts, int nr_pkts);
+void packet_io_pkts_free(struct packet_io_device *pdev, uint16_t qid, struct stellar_packet **pkts, int nr_pkts);
 
 /**
  * @brief get packet_io packet's ctrlzone 
diff --git a/src/packet_io/packet_io_util.cpp b/src/packet_io/packet_io_util.cpp
index a08227f..27f4708 100644
--- a/src/packet_io/packet_io_util.cpp
+++ b/src/packet_io/packet_io_util.cpp
@@ -9,6 +9,9 @@
 */
 
 #include <string.h>
+#include <netinet/ether.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
 
 #include "utils.h"
 #include "packet_io_util.h"
@@ -105,4 +108,88 @@ int strncpy_safe(char *dst, const char *src, size_t dst_size)
     }
     
     return 0;
+}
+
+static uint32_t simple_murmur_hash(const void *key, int len)
+{
+    const uint32_t m = 0x5bd1e995;
+    const int r = 24;
+
+    /* Initialize the hash to a 'random' value */
+    uint32_t h = len;
+    const unsigned char *data = (const unsigned char *)key;
+
+    while (len >= 4) {
+        uint32_t k = *(uint32_t *)data;
+
+        k *= m;
+        k ^= k >> r;
+        k *= m;
+
+        h *= m;
+        h ^= k;
+
+        data += 4;
+        len -= 4;
+    }
+
+    /* Handle the last few bytes of the input array  */
+    switch (len) {
+    case 3:
+        h ^= data[2] << 16;
+    case 2:
+        h ^= data[1] << 8;
+    case 1:
+        h ^= data[0];
+        h *= m;
+    };
+
+    /* Do a few final mixes of the hash to ensure the last few
+    // bytes are well-incorporated.  */
+    h ^= h >> 13;
+    h *= m;
+    h ^= h >> 15;
+
+    return h;
+}
+
+static uint64_t generic_2tuple_hash(uint8_t *src, uint8_t *dst, size_t n)
+{
+    if (nullptr == src || nullptr == dst || n == 0) {
+        return 0;
+    }
+
+    uint64_t key1 = simple_murmur_hash(src, n);
+    uint64_t key2 = simple_murmur_hash(dst, n);
+
+    return (key1 | key2);
+}
+
+uint64_t pio_packet_hash(struct pio_packet *p)
+{
+    struct ethhdr *eth_hdr = (struct ethhdr *)p->pkt_payload;
+    uint8_t *disp_arg1 = nullptr;
+    uint8_t *disp_arg2 = nullptr;
+    size_t disp_len = 0;
+
+    if (p->data_link != LINKTYPE_ETHERNET) {
+        return 0;
+    }
+    
+    uint16_t eth_type = ntohs(eth_hdr->h_proto);
+    if (eth_type == ETHERNET_TYPE_IP) {
+        struct iphdr *ipv4_hdr = (struct iphdr *)(eth_hdr + 1);
+        disp_arg1 = (uint8_t *)&ipv4_hdr->saddr;
+        disp_arg2= (uint8_t *)&ipv4_hdr->daddr;
+        disp_len = sizeof(uint32_t);
+    } else if (eth_type == ETHERNET_TYPE_IPV6) {
+        struct ip6_hdr *ipv6_hdr = (struct ip6_hdr *)(eth_hdr + 1);
+        disp_arg1 = (uint8_t *)&ipv6_hdr->ip6_src;
+        disp_arg2 = (uint8_t *)&ipv6_hdr->ip6_dst;
+        disp_len = sizeof(struct in6_addr);
+    }
+    
+    uint64_t hash = generic_2tuple_hash(disp_arg1, disp_arg2, disp_len);
+
+    return hash;
 }
\ No newline at end of file
diff --git a/src/packet_io/packet_io_util.h b/src/packet_io/packet_io_util.h
index b1baf53..7da4915 100644
--- a/src/packet_io/packet_io_util.h
+++ b/src/packet_io/packet_io_util.h
@@ -19,6 +19,15 @@ extern "C"
 #include <stdint.h>
 #include <pthread.h>
 
+#ifndef DLT_EN10MB
+#define DLT_EN10MB 1
+#endif
+
+#define LINKTYPE_ETHERNET DLT_EN10MB
+
+#define ETHERNET_TYPE_IP   0x0800
+#define ETHERNET_TYPE_IPV6 0x86dd
+
 #define PKT_QUEUE_MAX_NUM 256
 
 #define CUSTOM_ZONE_LEN 64
@@ -49,6 +58,9 @@ struct pio_packet {
     /* pkt payload pointer */
     void *pkt_payload;
 
+    /* data link type */
+    uint32_t data_link;
+
     /* reference counts */
     uint32_t ref_cnt;
 
@@ -64,14 +76,6 @@ struct pio_packet_queue {
 	pthread_mutex_t mutex_q;
 };
 
-int packet_copy_data(uint8_t *ptr, const uint8_t *pkt_data, uint32_t pkt_len);
-
-void pio_packet_enqueue(struct pio_packet_queue *, struct pio_packet *);
-
-struct pio_packet *pio_packet_dequeue(struct pio_packet_queue *);
-
-void release_pio_packet_queue(struct pio_packet_queue *);
-
 /**
  * @brief string copy safely, 
  * 
@@ -79,6 +83,21 @@ void release_pio_packet_queue(struct pio_packet_queue *);
  */
 int strncpy_safe(char *dst, const char *src, size_t dst_size);
 
+int packet_copy_data(uint8_t *ptr, const uint8_t *pkt_data, uint32_t pkt_len);
+
+/**
+ * @brief ip hash function for struct pio_packet, 2 tuple(sip/dip) hash
+ * 
+ * @retval hash value
+ */
+uint64_t pio_packet_hash(struct pio_packet *p);
+
+void pio_packet_enqueue(struct pio_packet_queue *, struct pio_packet *);
+
+struct pio_packet *pio_packet_dequeue(struct pio_packet_queue *);
+
+void release_pio_packet_queue(struct pio_packet_queue *);
+
 #ifdef __cpluscplus
 }
 #endif
diff --git a/src/packet_io/pcap_file_mode/pio_pcap_file.cpp b/src/packet_io/pcap_file_mode/pio_pcap_file.cpp
index 6829d2b..3e71c03 100644
--- a/src/packet_io/pcap_file_mode/pio_pcap_file.cpp
+++ b/src/packet_io/pcap_file_mode/pio_pcap_file.cpp
@@ -21,6 +21,7 @@
 #include "time_helper.h"
 #include "pio_pcap_file.h"
 #include "packet_io.h"
+#include "packet_io_util.h"
 
 /**
  * @brief validate path is a valid plain file or directory
@@ -183,7 +184,7 @@ static int pcap_directory_file_init(struct pio_pcap_file_device_context *pfile_d
     return 0;
 }
 
-static int pcap_file_shared_init(struct pio_pcap_file_device_context *pfile_dev_ctx, uint32_t nr_rxq) 
+static int pcap_file_shared_init(struct pio_pcap_file_device_context *pfile_dev_ctx) 
 {
     if (nullptr == pfile_dev_ctx) {
         return -1;
@@ -257,7 +258,7 @@ int pio_pcap_file_device_open(struct packet_io_device *pdev)
 
     pdev->entity.pcap_file_dev_ctx->pio_dev = pdev;
 
-    status = pcap_file_shared_init(pdev->entity.pcap_file_dev_ctx, pdev->rxq_num);
+    status = pcap_file_shared_init(pdev->entity.pcap_file_dev_ctx);
     if (status < 0) {
         log_error(ST_ERR_PIO_PCAP_FILE_DEVICE, "pcap file shared init failed.");
         return -1;
@@ -321,28 +322,26 @@ void pcap_file_pkt_callback_oneshot(char *user, struct pcap_pkthdr *pkt_hdr, u_c
         return;
     }
     memset(p, 0, SIZE_OF_PIO_PACKET);
-
     p->pkt_hdr = p;
     p->pkt_payload = (uint8_t *)p + CUSTOM_ZONE_LEN;
     p->pkt_len = pkt_hdr->caplen;
+    p->data_link = pfile_dev_ctx->entity.file->data_link;
     if (packet_copy_data((uint8_t *)p->pkt_payload, (uint8_t *)pkt, pkt_hdr->caplen)) {
         FREE(p);
         return;
     }
 
-    //uint32_t nr_rxq = pfile_dev_ctx->pio_dev->rxq_num;
-    /* 
-        hash to specific queue id and enqueue
-        hash_id = decode_packet(p) % nr_rxq;
-        packet_enqueue(&pfile_dev_ctx->pkt_queues[hash_id], p);
-    */
-    int rxq_id = 0;
+    /* nr_rxq <= PKT_QUEUE_MAX_NUM */
+    uint16_t nr_rxq = pfile_dev_ctx->pio_dev->rxq_num;
+    uint16_t rxq_id = pio_packet_hash(p) % nr_rxq;
+
+    /* hash to specific queue id and enqueue */
     pthread_mutex_lock(&pfile_dev_ctx->pkt_queues[rxq_id].mutex_q);
     pio_packet_enqueue(&pfile_dev_ctx->pkt_queues[rxq_id], p);
     pthread_mutex_unlock(&pfile_dev_ctx->pkt_queues[rxq_id].mutex_q);
 }
 
-static int pcap_file_dispatch(struct pio_pcap_file_device_context *pfile_dev_ctx, uint32_t rxq_id, 
+static int pcap_file_dispatch(struct pio_pcap_file_device_context *pfile_dev_ctx, uint16_t rxq_id, 
                               struct stellar_packet **pkts, int nr_pkts) 
 {
     if (pfile_dev_ctx->entity.file->first_pkt_hdr != nullptr) {
@@ -518,7 +517,7 @@ static int pcap_directory_collect_pending_files(struct pio_pcap_file_device_cont
     return 0;
 }
 
-static int pcap_directory_dispatch(struct pio_pcap_file_device_context *pfile_dev_ctx, uint32_t rxq_id, 
+static int pcap_directory_dispatch(struct pio_pcap_file_device_context *pfile_dev_ctx, uint16_t rxq_id, 
                                    struct stellar_packet **pkts, int nr_pkts) 
 {
     int res = -1;
@@ -603,7 +602,7 @@ static int pcap_directory_dispatch(struct pio_pcap_file_device_context *pfile_de
     return res;
 }
 
-int pio_pcap_file_device_receive(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts) 
+int pio_pcap_file_device_receive(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts) 
 {
     struct pio_pcap_file_device_context *pfile_dev_ctx = pdev->entity.pcap_file_dev_ctx;
     if (nullptr == pfile_dev_ctx) {
@@ -623,7 +622,7 @@ int pio_pcap_file_device_receive(struct packet_io_device *pdev, uint32_t rxq_id,
     return res;
 }
 
-void pio_pcap_file_device_pkt_free(__unused struct packet_io_device *pdev, __unused uint32_t qid, struct stellar_packet **pkts, int nr_pkts) 
+void pio_pcap_file_device_pkt_free(__unused struct packet_io_device *pdev, __unused uint16_t qid, struct stellar_packet **pkts, int nr_pkts) 
 {
     for (int i = 0; i < nr_pkts; i++) {
         struct pio_packet *p = (struct pio_packet *)pkts[i];
diff --git a/src/packet_io/pcap_file_mode/pio_pcap_file.h b/src/packet_io/pcap_file_mode/pio_pcap_file.h
index ecb97db..e72781d 100644
--- a/src/packet_io/pcap_file_mode/pio_pcap_file.h
+++ b/src/packet_io/pcap_file_mode/pio_pcap_file.h
@@ -133,9 +133,9 @@ int pio_pcap_file_device_open(struct packet_io_device *pdev);
  */
 int pio_pcap_file_device_close(struct packet_io_device *pdev);
 
-int pio_pcap_file_device_receive(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
+int pio_pcap_file_device_receive(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
 
-void pio_pcap_file_device_pkt_free(struct packet_io_device *pdev, uint32_t qid, struct stellar_packet **pkts, int nr_pkts);
+void pio_pcap_file_device_pkt_free(struct packet_io_device *pdev, uint16_t qid, struct stellar_packet **pkts, int nr_pkts);
 
 void *pio_pcap_file_device_buff_ctrlzone(struct stellar_packet *p);
 
diff --git a/src/packet_io/pcap_live_mode/pio_pcap_live.cpp b/src/packet_io/pcap_live_mode/pio_pcap_live.cpp
index 22e68d1..c52dc0f 100644
--- a/src/packet_io/pcap_live_mode/pio_pcap_live.cpp
+++ b/src/packet_io/pcap_live_mode/pio_pcap_live.cpp
@@ -160,24 +160,23 @@ static void pcap_live_pkt_callback_oneshot(char *user, struct pcap_pkthdr *pkt_h
     p->pkt_hdr = p;
     p->pkt_payload = (uint8_t *)p + CUSTOM_ZONE_LEN;
     p->pkt_len = pkt_hdr->caplen;
+    p->data_link = plive_dev_ctx->data_link;
     if (packet_copy_data((uint8_t *)p->pkt_payload, (uint8_t *)pkt, pkt_hdr->caplen)) {
         FREE(p);
         return;
     }
 
-    //uint32_t nr_rxq = plive_dev_ctx->pio_dev->rxq_num;
-    /*
-        hash to specific queue id and enqueue
-        hash_id = decode_packet(p) % nr_rxq;
-        packet_enqueue(&pfile_dev_ctx->pkt_queues[hash_id], p);
-    */
-    int rxq_id = 0;
+    /* nr_rxq <= PKT_QUEUE_MAX_NUM */
+    uint16_t nr_rxq = plive_dev_ctx->pio_dev->rxq_num;
+    uint16_t rxq_id = pio_packet_hash(p) % nr_rxq;
+
+    /* hash to specific queue id and enqueue */
     pthread_mutex_lock(&plive_dev_ctx->pkt_queues[rxq_id].mutex_q);
     pio_packet_enqueue(&plive_dev_ctx->pkt_queues[rxq_id], p);
     pthread_mutex_unlock(&plive_dev_ctx->pkt_queues[rxq_id].mutex_q);
 }
 
-int pio_pcap_live_device_receive(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts)
+int pio_pcap_live_device_receive(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts)
 {
     int res = -1;
 
@@ -218,7 +217,7 @@ int pio_pcap_live_device_receive(struct packet_io_device *pdev, uint32_t rxq_id,
     return res;
 }
 
-int pio_pcap_live_device_send(struct packet_io_device *pdev, uint32_t txq_id, struct stellar_packet **pkts, int nr_pkts)
+int pio_pcap_live_device_send(struct packet_io_device *pdev, uint16_t txq_id, struct stellar_packet **pkts, int nr_pkts)
 {
     int res = -1;
 
@@ -239,7 +238,7 @@ int pio_pcap_live_device_send(struct packet_io_device *pdev, uint32_t txq_id, st
     return 0;
 }
 
-void pio_pcap_live_device_pkt_free(__unused struct packet_io_device *pdev, __unused uint32_t qid, struct stellar_packet **pkts, int nr_pkts)
+void pio_pcap_live_device_pkt_free(__unused struct packet_io_device *pdev, __unused uint16_t qid, struct stellar_packet **pkts, int nr_pkts)
 {
     for (int i = 0; i < nr_pkts; i++) {
         struct pio_packet *p = (struct pio_packet *)pkts[i];
diff --git a/src/packet_io/pcap_live_mode/pio_pcap_live.h b/src/packet_io/pcap_live_mode/pio_pcap_live.h
index fdab309..94a399d 100644
--- a/src/packet_io/pcap_live_mode/pio_pcap_live.h
+++ b/src/packet_io/pcap_live_mode/pio_pcap_live.h
@@ -93,11 +93,11 @@ int pio_pcap_live_device_open(struct packet_io_device *pdev);
  */
 int pio_pcap_live_device_close(struct packet_io_device *pdev);
 
-int pio_pcap_live_device_receive(struct packet_io_device *pdev, uint32_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
+int pio_pcap_live_device_receive(struct packet_io_device *pdev, uint16_t rxq_id, struct stellar_packet **pkts, int nr_pkts);
 
-int pio_pcap_live_device_send(struct packet_io_device *pdev, uint32_t txq_id, struct stellar_packet **pkts, int nr_pkts);
+int pio_pcap_live_device_send(struct packet_io_device *pdev, uint16_t txq_id, struct stellar_packet **pkts, int nr_pkts);
 
-void pio_pcap_live_device_pkt_free(struct packet_io_device *pdev, uint32_t qid, struct stellar_packet **pkts, int nr_pkts);
+void pio_pcap_live_device_pkt_free(struct packet_io_device *pdev, uint16_t qid, struct stellar_packet **pkts, int nr_pkts);
 
 void *pio_pcap_live_device_buff_ctrlzone(struct stellar_packet *p);