mbuf: fix cloning with private mbuf data

[dpdk.git] / lib / librte_mbuf / rte_mbuf.c

diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
index 26b6f12..f506517 100644 (file)
--- a/lib/librte_mbuf/rte_mbuf.c
+++ b/lib/librte_mbuf/rte_mbuf.c
@@ -119,9 +119,10 @@ rte_pktmbuf_init(struct rte_mempool *mp,
                 __attribute__((unused)) unsigned i)
 {
        struct rte_mbuf *m = _m;
-       uint32_t mbuf_size, buf_len;
+       uint32_t mbuf_size, buf_len, priv_size;
 
-       mbuf_size = sizeof(struct rte_mbuf) + rte_pktmbuf_priv_size(mp);
+       priv_size = rte_pktmbuf_priv_size(mp);
+       mbuf_size = sizeof(struct rte_mbuf) + priv_size;
        buf_len = rte_pktmbuf_data_room_size(mp);
 
        RTE_MBUF_ASSERT(mp->elt_size >= mbuf_size);
@@ -129,7 +130,8 @@ rte_pktmbuf_init(struct rte_mempool *mp,
 
        memset(m, 0, mp->elt_size);
 
-       /* start of buffer is just after mbuf structure */
+       /* start of buffer is after mbuf structure and priv data */
+       m->priv_size = priv_size;
        m->buf_addr = (char *)m + mbuf_size;
        m->buf_physaddr = rte_mempool_virt2phy(mp, m) + mbuf_size;
        m->buf_len = (uint16_t)buf_len;