net/virtio: allocate fake mbuf in Rx queue

[dpdk.git] / drivers / net / octeontx2 / otx2_tx.h

diff --git a/drivers/net/octeontx2/otx2_tx.h b/drivers/net/octeontx2/otx2_tx.h
index d6ea3b4..a97b160 100644 (file)
--- a/drivers/net/octeontx2/otx2_tx.h
+++ b/drivers/net/octeontx2/otx2_tx.h
@@ -440,13 +440,17 @@ otx2_nix_prepare_mseg(struct rte_mbuf *m, uint64_t *cmd, const uint16_t flags)
                sg_u = sg_u | ((uint64_t)m->data_len << (i << 4));
                *slist = rte_mbuf_data_iova(m);
                /* Set invert df if buffer is not to be freed by H/W */
-               if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F)
+               if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
                        sg_u |= (otx2_nix_prefree_seg(m) << (i + 55));
+                       /* Commit changes to mbuf */
+                       rte_io_wmb();
+               }
                /* Mark mempool object as "put" since it is freed by NIX */
-               if (!(sg_u & (1ULL << (i + 55)))) {
-                       m->next = NULL;
+#ifdef RTE_LIBRTE_MEMPOOL_DEBUG
+               if (!(sg_u & (1ULL << (i + 55))))
                        __mempool_check_cookies(m->pool, (void **)&m, 1, 0);
-               }
+               rte_io_wmb();
+#endif
                slist++;
                i++;
                nb_segs--;