diff --git a/lib/librte_eal/linuxapp/kni/kni_dev.h b/lib/librte_eal/linuxapp/kni/kni_dev.h
index 2771138..58cbadd 100644
--- a/lib/librte_eal/linuxapp/kni/kni_dev.h
+++ b/lib/librte_eal/linuxapp/kni/kni_dev.h
@@ -56,7 +56,7 @@ struct kni_dev {
 	struct net_device_stats stats;
 	int status;
 	uint16_t group_id;           /* Group ID of a group of KNI devices */
-	unsigned int core_id;        /* Core ID to bind */
+	uint32_t core_id;            /* Core ID to bind */
 	char name[RTE_KNI_NAMESIZE]; /* Network device name */
 	struct task_struct *pthread;
 
@@ -97,7 +97,7 @@ struct kni_dev {
 	void *mbuf_va;
 
 	/* mbuf size */
-	unsigned int mbuf_size;
+	uint32_t mbuf_size;
 
 	/* synchro for request processing */
 	unsigned long synchro;
@@ -119,7 +119,7 @@ struct kni_dev {
 };
 
 #ifdef RTE_KNI_VHOST
-unsigned int
+uint32_t
 kni_poll(struct file *file, struct socket *sock, poll_table * wait);
 int kni_chk_vhost_rx(struct kni_dev *kni);
 int kni_vhost_init(struct kni_dev *kni);
@@ -131,7 +131,7 @@ struct kni_vhost_queue {
 	int vnet_hdr_sz;
 	struct kni_dev *kni;
 	int sockfd;
-	unsigned int flags;
+	uint32_t flags;
 	struct sk_buff *cache;
 	struct rte_kni_fifo *fifo;
 };
diff --git a/lib/librte_eal/linuxapp/kni/kni_fifo.h b/lib/librte_eal/linuxapp/kni/kni_fifo.h
index 94a7f9d..025ec1c 100644
--- a/lib/librte_eal/linuxapp/kni/kni_fifo.h
+++ b/lib/librte_eal/linuxapp/kni/kni_fifo.h
@@ -30,13 +30,13 @@
 /**
  * Adds num elements into the fifo. Return the number actually written
  */
-static inline unsigned int
-kni_fifo_put(struct rte_kni_fifo *fifo, void **data, unsigned int num)
+static inline uint32_t
+kni_fifo_put(struct rte_kni_fifo *fifo, void **data, uint32_t num)
 {
-	unsigned int i = 0;
-	unsigned int fifo_write = fifo->write;
-	unsigned int fifo_read = fifo->read;
-	unsigned int new_write = fifo_write;
+	uint32_t i = 0;
+	uint32_t fifo_write = fifo->write;
+	uint32_t fifo_read = fifo->read;
+	uint32_t new_write = fifo_write;
 
 	for (i = 0; i < num; i++) {
 		new_write = (new_write + 1) & (fifo->len - 1);
@@ -54,12 +54,12 @@ kni_fifo_put(struct rte_kni_fifo *fifo, void **data, unsigned int num)
 /**
  * Get up to num elements from the fifo. Return the number actully read
  */
-static inline unsigned int
-kni_fifo_get(struct rte_kni_fifo *fifo, void **data, unsigned int num)
+static inline uint32_t
+kni_fifo_get(struct rte_kni_fifo *fifo, void **data, uint32_t num)
 {
-	unsigned int i = 0;
-	unsigned int new_read = fifo->read;
-	unsigned int fifo_write = fifo->write;
+	uint32_t i = 0;
+	uint32_t new_read = fifo->read;
+	uint32_t fifo_write = fifo->write;
 
 	for (i = 0; i < num; i++) {
 		if (new_read == fifo_write)
@@ -76,7 +76,7 @@ kni_fifo_get(struct rte_kni_fifo *fifo, void **data, unsigned int num)
 /**
  * Get the num of elements in the fifo
  */
-static inline unsigned int
+static inline uint32_t
 kni_fifo_count(struct rte_kni_fifo *fifo)
 {
 	return (fifo->len + fifo->write - fifo->read) & (fifo->len - 1);
@@ -85,7 +85,7 @@ kni_fifo_count(struct rte_kni_fifo *fifo)
 /**
  * Get the num of available elements in the fifo
  */
-static inline unsigned int
+static inline uint32_t
 kni_fifo_free_count(struct rte_kni_fifo *fifo)
 {
 	return (fifo->read - fifo->write - 1) & (fifo->len - 1);
@@ -96,7 +96,7 @@ kni_fifo_free_count(struct rte_kni_fifo *fifo)
  * Initializes the kni fifo structure
  */
 static inline void
-kni_fifo_init(struct rte_kni_fifo *fifo, unsigned int size)
+kni_fifo_init(struct rte_kni_fifo *fifo, uint32_t size)
 {
 	fifo->write = 0;
 	fifo->read = 0;
diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c b/lib/librte_eal/linuxapp/kni/kni_misc.c
index a0b8199..3303d9b 100644
--- a/lib/librte_eal/linuxapp/kni/kni_misc.c
+++ b/lib/librte_eal/linuxapp/kni/kni_misc.c
@@ -56,7 +56,7 @@ static char *lo_mode;
 
 /* Kernel thread mode */
 static char *kthread_mode;
-static unsigned int multiple_kthread_on;
+static uint32_t multiple_kthread_on;
 
 #define KNI_DEV_IN_USE_BIT_NUM 0 /* Bit number for device in use */
 
@@ -318,8 +318,8 @@ kni_run_thread(struct kni_net *knet, struct kni_dev *kni, uint8_t force_bind)
 }
 
 static int
-kni_ioctl_create(struct net *net,
-		unsigned int ioctl_num, unsigned long ioctl_param)
+kni_ioctl_create(struct net *net, uint32_t ioctl_num,
+		unsigned long ioctl_param)
 {
 	struct kni_net *knet = net_generic(net, kni_net_id);
 	int ret;
@@ -493,8 +493,8 @@ kni_ioctl_create(struct net *net,
 }
 
 static int
-kni_ioctl_release(struct net *net,
-		unsigned int ioctl_num, unsigned long ioctl_param)
+kni_ioctl_release(struct net *net, uint32_t ioctl_num,
+		unsigned long ioctl_param)
 {
 	struct kni_net *knet = net_generic(net, kni_net_id);
 	int ret = -EINVAL;
@@ -540,9 +540,7 @@ kni_ioctl_release(struct net *net,
 }
 
 static int
-kni_ioctl(struct inode *inode,
-	unsigned int ioctl_num,
-	unsigned long ioctl_param)
+kni_ioctl(struct inode *inode, uint32_t ioctl_num, unsigned long ioctl_param)
 {
 	int ret = -EINVAL;
 	struct net *net = current->nsproxy->net_ns;
@@ -571,8 +569,7 @@ kni_ioctl(struct inode *inode,
 }
 
 static int
-kni_compat_ioctl(struct inode *inode,
-		unsigned int ioctl_num,
+kni_compat_ioctl(struct inode *inode, uint32_t ioctl_num,
 		unsigned long ioctl_param)
 {
 	/* 32 bits app on 64 bits OS to be supported later */
diff --git a/lib/librte_eal/linuxapp/kni/kni_net.c b/lib/librte_eal/linuxapp/kni/kni_net.c
index e9df9ec..4ac99cf 100644
--- a/lib/librte_eal/linuxapp/kni/kni_net.c
+++ b/lib/librte_eal/linuxapp/kni/kni_net.c
@@ -100,7 +100,7 @@ kni_net_process_request(struct kni_dev *kni, struct rte_kni_request *req)
 {
 	int ret = -1;
 	void *resp_va;
-	unsigned int num;
+	uint32_t num;
 	int ret_val;
 
 	if (!kni || !req) {
@@ -214,7 +214,7 @@ static int
 kni_net_tx(struct sk_buff *skb, struct net_device *dev)
 {
 	int len = 0;
-	unsigned int ret;
+	uint32_t ret;
 	struct kni_dev *kni = netdev_priv(dev);
 	struct rte_kni_mbuf *pkt_kva = NULL;
 	void *pkt_pa = NULL;
@@ -297,9 +297,9 @@ drop:
 static void
 kni_net_rx_normal(struct kni_dev *kni)
 {
-	unsigned int ret;
+	uint32_t ret;
 	uint32_t len;
-	unsigned int i, num_rx, num_fq;
+	uint32_t i, num_rx, num_fq;
 	struct rte_kni_mbuf *kva;
 	void *data_kva;
 	struct sk_buff *skb;
@@ -313,7 +313,7 @@ kni_net_rx_normal(struct kni_dev *kni)
 	}
 
 	/* Calculate the number of entries to dequeue from rx_q */
-	num_rx = min_t(unsigned int, num_fq, MBUF_BURST_SZ);
+	num_rx = min_t(uint32_t, num_fq, MBUF_BURST_SZ);
 
 	/* Burst dequeue from rx_q */
 	num_rx = kni_fifo_get(kni->rx_q, kni->pa, num_rx);
@@ -380,9 +380,9 @@ kni_net_rx_normal(struct kni_dev *kni)
 static void
 kni_net_rx_lo_fifo(struct kni_dev *kni)
 {
-	unsigned int ret;
+	uint32_t ret;
 	uint32_t len;
-	unsigned int i, num, num_rq, num_tq, num_aq, num_fq;
+	uint32_t i, num, num_rq, num_tq, num_aq, num_fq;
 	struct rte_kni_mbuf *kva;
 	void *data_kva;
 	struct rte_kni_mbuf *alloc_kva;
@@ -404,7 +404,7 @@ kni_net_rx_lo_fifo(struct kni_dev *kni)
 	num = min(num_rq, num_tq);
 	num = min(num, num_aq);
 	num = min(num, num_fq);
-	num = min_t(unsigned int, num, MBUF_BURST_SZ);
+	num = min_t(uint32_t, num, MBUF_BURST_SZ);
 
 	/* Return if no entry to dequeue from rx_q */
 	if (num == 0)
@@ -465,9 +465,9 @@ kni_net_rx_lo_fifo(struct kni_dev *kni)
 static void
 kni_net_rx_lo_fifo_skb(struct kni_dev *kni)
 {
-	unsigned int ret;
+	uint32_t ret;
 	uint32_t len;
-	unsigned int i, num_rq, num_fq, num;
+	uint32_t i, num_rq, num_fq, num;
 	struct rte_kni_mbuf *kva;
 	void *data_kva;
 	struct sk_buff *skb;
@@ -481,7 +481,7 @@ kni_net_rx_lo_fifo_skb(struct kni_dev *kni)
 
 	/* Calculate the number of entries to dequeue from rx_q */
 	num = min(num_rq, num_fq);
-	num = min_t(unsigned int, num, MBUF_BURST_SZ);
+	num = min_t(uint32_t, num, MBUF_BURST_SZ);
 
 	/* Return if no entry to dequeue from rx_q */
 	if (num == 0)
@@ -643,7 +643,7 @@ kni_net_stats(struct net_device *dev)
 static int
 kni_net_header(struct sk_buff *skb, struct net_device *dev,
 		unsigned short type, const void *daddr,
-		const void *saddr, unsigned int len)
+		const void *saddr, uint32_t len)
 {
 	struct ethhdr *eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);
 
diff --git a/lib/librte_eal/linuxapp/kni/kni_vhost.c b/lib/librte_eal/linuxapp/kni/kni_vhost.c
index 947341e..3ba0c57 100644
--- a/lib/librte_eal/linuxapp/kni/kni_vhost.c
+++ b/lib/librte_eal/linuxapp/kni/kni_vhost.c
@@ -69,7 +69,7 @@ static struct proto kni_raw_proto = {
 
 static inline int
 kni_vhost_net_tx(struct kni_dev *kni, struct msghdr *m,
-		 unsigned int offset, unsigned int len)
+		 uint32_t offset, uint32_t len)
 {
 	struct rte_kni_mbuf *pkt_kva = NULL;
 	struct rte_kni_mbuf *pkt_va = NULL;
@@ -145,7 +145,7 @@ drop:
 
 static inline int
 kni_vhost_net_rx(struct kni_dev *kni, struct msghdr *m,
-		 unsigned int offset, unsigned int len)
+		 uint32_t offset, uint32_t len)
 {
 	uint32_t pkt_len;
 	struct rte_kni_mbuf *kva;
@@ -213,13 +213,13 @@ drop:
 	return 0;
 }
 
-static unsigned int
+static uint32_t
 kni_sock_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
 	struct kni_vhost_queue *q =
 		container_of(sock->sk, struct kni_vhost_queue, sk);
 	struct kni_dev *kni;
-	unsigned int mask = 0;
+	uint32_t mask = 0;
 
 	if (unlikely(q == NULL || q->kni == NULL))
 		return POLLERR;
@@ -281,9 +281,9 @@ int
 kni_chk_vhost_rx(struct kni_dev *kni)
 {
 	struct kni_vhost_queue *q = kni->vhost_queue;
-	unsigned int nb_in, nb_mbuf, nb_skb;
-	const unsigned int BURST_MASK = RX_BURST_SZ - 1;
-	unsigned int nb_burst, nb_backlog, i;
+	uint32_t nb_in, nb_mbuf, nb_skb;
+	const uint32_t BURST_MASK = RX_BURST_SZ - 1;
+	uint32_t nb_burst, nb_backlog, i;
 	struct sk_buff *skb[RX_BURST_SZ];
 	struct rte_kni_mbuf *va[RX_BURST_SZ];
 
@@ -299,7 +299,7 @@ kni_chk_vhost_rx(struct kni_dev *kni)
 	nb_mbuf = kni_fifo_count(kni->rx_q);
 
 	nb_in = min(nb_mbuf, nb_skb);
-	nb_in = min_t(unsigned int, nb_in, RX_BURST_SZ);
+	nb_in = min_t(uint32_t, nb_in, RX_BURST_SZ);
 	nb_burst   = (nb_in & ~BURST_MASK);
 	nb_backlog = (nb_in & BURST_MASK);
 
@@ -439,16 +439,15 @@ kni_sock_rcvmsg(struct socket *sock,
 
 /* dummy tap like ioctl */
 static int
-kni_sock_ioctl(struct socket *sock, unsigned int cmd,
-	      unsigned long arg)
+kni_sock_ioctl(struct socket *sock, uint32_t cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
 	struct ifreq __user *ifr = argp;
-	unsigned int __user *up = argp;
+	uint32_t __user *up = argp;
 	struct kni_vhost_queue *q =
 		container_of(sock->sk, struct kni_vhost_queue, sk);
 	struct kni_dev *kni;
-	unsigned int u;
+	uint32_t u;
 	int __user *sp = argp;
 	int s;
 	int ret;
@@ -542,7 +541,7 @@ kni_sock_ioctl(struct socket *sock, unsigned int cmd,
 }
 
 static int
-kni_sock_compat_ioctl(struct socket *sock, unsigned int cmd,
+kni_sock_compat_ioctl(struct socket *sock, uint32_t cmd,
 		     unsigned long arg)
 {
 	/* 32 bits app on 64 bits OS to be supported later */
