X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_kni%2Frte_kni.c;h=5ee38e9ad37f5497172f1c53b2402d53b21e2b94;hb=d76de38676561c546cc3494b4deaf28c4a1011e4;hp=40288a179dac7c9320db63a8f5650c6e244c5ed0;hpb=98a7ea332ba3da0f74ec951595d36a616165b255;p=dpdk.git

diff --git a/lib/librte_kni/rte_kni.c b/lib/librte_kni/rte_kni.c
index 40288a179d..5ee38e9ad3 100644
--- a/lib/librte_kni/rte_kni.c
+++ b/lib/librte_kni/rte_kni.c
@@ -456,7 +456,7 @@ va2pa(struct rte_mbuf *m)
 {
 	return (void *)((unsigned long)m -
 			((unsigned long)m->buf_addr -
-			 (unsigned long)m->buf_physaddr));
+			 (unsigned long)m->buf_iova));
 }
 
 static void
@@ -624,6 +624,7 @@ kni_allocate_mbufs(struct rte_kni *kni)
 	int i, ret;
 	struct rte_mbuf *pkts[MAX_MBUF_BURST_NUM];
 	void *phys[MAX_MBUF_BURST_NUM];
+	int allocq_free;
 
 	RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pool) !=
 			 offsetof(struct rte_kni_mbuf, pool));
@@ -646,7 +647,9 @@ kni_allocate_mbufs(struct rte_kni *kni)
 		return;
 	}
 
-	for (i = 0; i < MAX_MBUF_BURST_NUM; i++) {
+	allocq_free = (kni->alloc_q->read - kni->alloc_q->write - 1) \
+			& (MAX_MBUF_BURST_NUM - 1);
+	for (i = 0; i < allocq_free; i++) {
 		pkts[i] = rte_pktmbuf_alloc(kni->pktmbuf_pool);
 		if (unlikely(pkts[i] == NULL)) {
 			/* Out of memory */