This macro and function were copies from the mbuf library, no reason to keep
them.

Signed-off-by: Zoltan Kiss <zoltan.kiss at linaro.org>
---
 examples/vhost/main.c | 38 +++++---------------------------------
 1 file changed, 5 insertions(+), 33 deletions(-)

diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index c3fcb80..1c998a5 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -139,8 +139,6 @@
 /* Number of descriptors per cacheline. */
 #define DESC_PER_CACHELINE (RTE_CACHE_LINE_SIZE / sizeof(struct vring_desc))

-#define MBUF_EXT_MEM(mb)   (RTE_MBUF_FROM_BADDR((mb)->buf_addr) != (mb))
-
 /* mask of enabled ports */
 static uint32_t enabled_port_mask = 0;

@@ -1538,32 +1536,6 @@ attach_rxmbuf_zcp(struct virtio_net *dev)
        return;
 }

-/*
- * Detach an attched packet mbuf -
- *  - restore original mbuf address and length values.
- *  - reset pktmbuf data and data_len to their default values.
- *  All other fields of the given packet mbuf will be left intact.
- *
- * @param m
- *   The attached packet mbuf.
- */
-static inline void pktmbuf_detach_zcp(struct rte_mbuf *m)
-{
-       const struct rte_mempool *mp = m->pool;
-       void *buf = RTE_MBUF_TO_BADDR(m);
-       uint32_t buf_ofs;
-       uint32_t buf_len = mp->elt_size - sizeof(*m);
-       m->buf_physaddr = rte_mempool_virt2phy(mp, m) + sizeof(*m);
-
-       m->buf_addr = buf;
-       m->buf_len = (uint16_t)buf_len;
-
-       buf_ofs = (RTE_PKTMBUF_HEADROOM <= m->buf_len) ?
-                       RTE_PKTMBUF_HEADROOM : m->buf_len;
-       m->data_off = buf_ofs;
-
-       m->data_len = 0;
-}

 /*
  * This function is called after packets have been transimited. It fetchs mbuf
@@ -1590,8 +1562,8 @@ txmbuf_clean_zcp(struct virtio_net *dev, struct vpool 
*vpool)

        for (index = 0; index < mbuf_count; index++) {
                mbuf = __rte_mbuf_raw_alloc(vpool->pool);
-               if (likely(MBUF_EXT_MEM(mbuf)))
-                       pktmbuf_detach_zcp(mbuf);
+               if (likely(RTE_MBUF_INDIRECT(mbuf)))
+                       rte_pktmbuf_detach(mbuf);
                rte_ring_sp_enqueue(vpool->ring, mbuf);

                /* Update used index buffer information. */
@@ -1653,8 +1625,8 @@ static void mbuf_destroy_zcp(struct vpool *vpool)
        for (index = 0; index < mbuf_count; index++) {
                mbuf = __rte_mbuf_raw_alloc(vpool->pool);
                if (likely(mbuf != NULL)) {
-                       if (likely(MBUF_EXT_MEM(mbuf)))
-                               pktmbuf_detach_zcp(mbuf);
+                       if (likely(RTE_MBUF_INDIRECT(mbuf)))
+                               rte_pktmbuf_detach(mbuf);
                        rte_ring_sp_enqueue(vpool->ring, (void *)mbuf);
                }
        }
@@ -2149,7 +2121,7 @@ switch_worker_zcp(__attribute__((unused)) void *arg)
                                        }
                                        while (likely(rx_count)) {
                                                rx_count--;
-                                               pktmbuf_detach_zcp(
+                                               rte_pktmbuf_detach(
                                                        pkts_burst[rx_count]);
                                                rte_ring_sp_enqueue(
                                                        vpool_array[index].ring,
-- 
1.9.1

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