+ /*
+ * Load mbuf pointer into buf_info[ring_size]
+ * buf_info structure is equivalent to cookie for virtio-virtqueue
+ */
+ buf_info->m = mbuf;
+ buf_info->len = (uint16_t)(mbuf->buf_len - RTE_PKTMBUF_HEADROOM);
+ buf_info->bufPA = rte_mbuf_data_iova_default(mbuf);
+
+ /* Load Rx Descriptor with the buffer's GPA */
+ rxd->addr = buf_info->bufPA;
+
+ /* After this point rxd->addr MUST not be NULL */
+ rxd->btype = val;
+ rxd->len = buf_info->len;
+ /* Flip gen bit at the end to change ownership */
+ rxd->gen = ring->gen;
+
+ vmxnet3_cmd_ring_adv_next2fill(ring);
+}
+/*
+ * Allocates mbufs and clusters. Post rx descriptors with buffer details
+ * so that device can receive packets in those buffers.
+ * Ring layout:
+ * Among the two rings, 1st ring contains buffers of type 0 and type 1.
+ * bufs_per_pkt is set such that for non-LRO cases all the buffers required
+ * by a frame will fit in 1st ring (1st buf of type0 and rest of type1).
+ * 2nd ring contains buffers of type 1 alone. Second ring mostly be used
+ * only for LRO.
+ */
+static int
+vmxnet3_post_rx_bufs(vmxnet3_rx_queue_t *rxq, uint8_t ring_id)
+{
+ int err = 0;
+ uint32_t i = 0;
+ struct vmxnet3_cmd_ring *ring = &rxq->cmd_ring[ring_id];
+