Imported Upstream version 16.07-rc1
[deb_dpdk.git] / drivers / net / virtio / virtio_rxtx.c
index ef21d8e..a27208e 100644 (file)
@@ -193,8 +193,7 @@ virtqueue_enqueue_recv_refill(struct virtqueue *vq, struct rte_mbuf *cookie)
 
        start_dp = vq->vq_ring.desc;
        start_dp[idx].addr =
-               (uint64_t)(cookie->buf_physaddr + RTE_PKTMBUF_HEADROOM
-               - hw->vtnet_hdr_size);
+               MBUF_DATA_DMA_ADDR(cookie, vq->offset) - hw->vtnet_hdr_size;
        start_dp[idx].len =
                cookie->buf_len - RTE_PKTMBUF_HEADROOM + hw->vtnet_hdr_size;
        start_dp[idx].flags =  VRING_DESC_F_WRITE;
@@ -209,23 +208,24 @@ virtqueue_enqueue_recv_refill(struct virtqueue *vq, struct rte_mbuf *cookie)
 }
 
 static inline void
-virtqueue_enqueue_xmit(struct virtqueue *txvq, struct rte_mbuf *cookie,
+virtqueue_enqueue_xmit(struct virtnet_tx *txvq, struct rte_mbuf *cookie,
                       uint16_t needed, int use_indirect, int can_push)
 {
        struct vq_desc_extra *dxp;
+       struct virtqueue *vq = txvq->vq;
        struct vring_desc *start_dp;
        uint16_t seg_num = cookie->nb_segs;
        uint16_t head_idx, idx;
-       uint16_t head_size = txvq->hw->vtnet_hdr_size;
+       uint16_t head_size = vq->hw->vtnet_hdr_size;
        unsigned long offs;
 
-       head_idx = txvq->vq_desc_head_idx;
+       head_idx = vq->vq_desc_head_idx;
        idx = head_idx;
-       dxp = &txvq->vq_descx[idx];
+       dxp = &vq->vq_descx[idx];
        dxp->cookie = (void *)cookie;
        dxp->ndescs = needed;
 
-       start_dp = txvq->vq_ring.desc;
+       start_dp = vq->vq_ring.desc;
 
        if (can_push) {
                /* put on zero'd transmit header (no offloads) */
@@ -259,46 +259,32 @@ virtqueue_enqueue_xmit(struct virtqueue *txvq, struct rte_mbuf *cookie,
                        + offsetof(struct virtio_tx_region, tx_hdr);
 
                start_dp[idx].addr  = txvq->virtio_net_hdr_mem + offs;
-               start_dp[idx].len   = txvq->hw->vtnet_hdr_size;
+               start_dp[idx].len   = vq->hw->vtnet_hdr_size;
                start_dp[idx].flags = VRING_DESC_F_NEXT;
                idx = start_dp[idx].next;
        }
 
        do {
-               start_dp[idx].addr  = rte_mbuf_data_dma_addr(cookie);
+               start_dp[idx].addr  = MBUF_DATA_DMA_ADDR(cookie, vq->offset);
                start_dp[idx].len   = cookie->data_len;
                start_dp[idx].flags = cookie->next ? VRING_DESC_F_NEXT : 0;
                idx = start_dp[idx].next;
        } while ((cookie = cookie->next) != NULL);
 
-       start_dp[idx].flags &= ~VRING_DESC_F_NEXT;
-
        if (use_indirect)
-               idx = txvq->vq_ring.desc[head_idx].next;
-
-       txvq->vq_desc_head_idx = idx;
-       if (txvq->vq_desc_head_idx == VQ_RING_DESC_CHAIN_END)
-               txvq->vq_desc_tail_idx = idx;
-       txvq->vq_free_cnt = (uint16_t)(txvq->vq_free_cnt - needed);
-       vq_update_avail_ring(txvq, head_idx);
-}
+               idx = vq->vq_ring.desc[head_idx].next;
 
-static inline struct rte_mbuf *
-rte_rxmbuf_alloc(struct rte_mempool *mp)
-{
-       struct rte_mbuf *m;
-
-       m = __rte_mbuf_raw_alloc(mp);
-       __rte_mbuf_sanity_check_raw(m, 0);
-
-       return m;
+       vq->vq_desc_head_idx = idx;
+       if (vq->vq_desc_head_idx == VQ_RING_DESC_CHAIN_END)
+               vq->vq_desc_tail_idx = idx;
+       vq->vq_free_cnt = (uint16_t)(vq->vq_free_cnt - needed);
+       vq_update_avail_ring(vq, head_idx);
 }
 
 static void
-virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
+virtio_dev_vring_start(struct virtqueue *vq)
 {
-       struct rte_mbuf *m;
-       int i, nbufs, error, size = vq->vq_nentries;
+       int size = vq->vq_nentries;
        struct vring *vr = &vq->vq_ring;
        uint8_t *ring_mem = vq->vq_ring_virt_mem;
 
@@ -322,30 +308,70 @@ virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
         * Disable device(host) interrupting guest
         */
        virtqueue_disable_intr(vq);
+}
+
+void
+virtio_dev_cq_start(struct rte_eth_dev *dev)
+{
+       struct virtio_hw *hw = dev->data->dev_private;
+
+       if (hw->cvq && hw->cvq->vq) {
+               virtio_dev_vring_start(hw->cvq->vq);
+               VIRTQUEUE_DUMP((struct virtqueue *)hw->cvq->vq);
+       }
+}
 
-       /* Only rx virtqueue needs mbufs to be allocated at initialization */
-       if (queue_type == VTNET_RQ) {
-               if (vq->mpool == NULL)
+void
+virtio_dev_rxtx_start(struct rte_eth_dev *dev)
+{
+       /*
+        * Start receive and transmit vrings
+        * -    Setup vring structure for all queues
+        * -    Initialize descriptor for the rx vring
+        * -    Allocate blank mbufs for the each rx descriptor
+        *
+        */
+       uint16_t i;
+       uint16_t desc_idx;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* Start rx vring. */
+       for (i = 0; i < dev->data->nb_rx_queues; i++) {
+               struct virtnet_rx *rxvq = dev->data->rx_queues[i];
+               struct virtqueue *vq = rxvq->vq;
+               int error, nbufs;
+               struct rte_mbuf *m;
+
+               virtio_dev_vring_start(vq);
+               if (rxvq->mpool == NULL) {
                        rte_exit(EXIT_FAILURE,
-                       "Cannot allocate initial mbufs for rx virtqueue");
+                               "Cannot allocate mbufs for rx virtqueue");
+               }
 
                /* Allocate blank mbufs for the each rx descriptor */
                nbufs = 0;
                error = ENOSPC;
 
 #ifdef RTE_MACHINE_CPUFLAG_SSSE3
-               if (use_simple_rxtx)
-                       for (i = 0; i < vq->vq_nentries; i++) {
-                               vq->vq_ring.avail->ring[i] = i;
-                               vq->vq_ring.desc[i].flags = VRING_DESC_F_WRITE;
+               if (use_simple_rxtx) {
+                       for (desc_idx = 0; desc_idx < vq->vq_nentries;
+                            desc_idx++) {
+                               vq->vq_ring.avail->ring[desc_idx] = desc_idx;
+                               vq->vq_ring.desc[desc_idx].flags =
+                                       VRING_DESC_F_WRITE;
                        }
+               }
 #endif
-               memset(&vq->fake_mbuf, 0, sizeof(vq->fake_mbuf));
-               for (i = 0; i < RTE_PMD_VIRTIO_RX_MAX_BURST; i++)
-                       vq->sw_ring[vq->vq_nentries + i] = &vq->fake_mbuf;
+               memset(&rxvq->fake_mbuf, 0, sizeof(rxvq->fake_mbuf));
+               for (desc_idx = 0; desc_idx < RTE_PMD_VIRTIO_RX_MAX_BURST;
+                    desc_idx++) {
+                       vq->sw_ring[vq->vq_nentries + desc_idx] =
+                               &rxvq->fake_mbuf;
+               }
 
                while (!virtqueue_full(vq)) {
-                       m = rte_rxmbuf_alloc(vq->mpool);
+                       m = rte_mbuf_raw_alloc(rxvq->mpool);
                        if (m == NULL)
                                break;
 
@@ -368,64 +394,40 @@ virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
                vq_update_avail_idx(vq);
 
                PMD_INIT_LOG(DEBUG, "Allocated %d bufs", nbufs);
-       } else if (queue_type == VTNET_TQ) {
+
+               VIRTQUEUE_DUMP(vq);
+       }
+
+       /* Start tx vring. */
+       for (i = 0; i < dev->data->nb_tx_queues; i++) {
+               struct virtnet_tx *txvq = dev->data->tx_queues[i];
+               struct virtqueue *vq = txvq->vq;
+
+               virtio_dev_vring_start(vq);
 #ifdef RTE_MACHINE_CPUFLAG_SSSE3
                if (use_simple_rxtx) {
-                       int mid_idx  = vq->vq_nentries >> 1;
-                       for (i = 0; i < mid_idx; i++) {
-                               vq->vq_ring.avail->ring[i] = i + mid_idx;
-                               vq->vq_ring.desc[i + mid_idx].next = i;
-                               vq->vq_ring.desc[i + mid_idx].addr =
-                                       vq->virtio_net_hdr_mem +
+                       uint16_t mid_idx  = vq->vq_nentries >> 1;
+
+                       for (desc_idx = 0; desc_idx < mid_idx; desc_idx++) {
+                               vq->vq_ring.avail->ring[desc_idx] =
+                                       desc_idx + mid_idx;
+                               vq->vq_ring.desc[desc_idx + mid_idx].next =
+                                       desc_idx;
+                               vq->vq_ring.desc[desc_idx + mid_idx].addr =
+                                       txvq->virtio_net_hdr_mem +
                                        offsetof(struct virtio_tx_region, tx_hdr);
-                               vq->vq_ring.desc[i + mid_idx].len =
+                               vq->vq_ring.desc[desc_idx + mid_idx].len =
                                        vq->hw->vtnet_hdr_size;
-                               vq->vq_ring.desc[i + mid_idx].flags =
+                               vq->vq_ring.desc[desc_idx + mid_idx].flags =
                                        VRING_DESC_F_NEXT;
-                               vq->vq_ring.desc[i].flags = 0;
+                               vq->vq_ring.desc[desc_idx].flags = 0;
                        }
-                       for (i = mid_idx; i < vq->vq_nentries; i++)
-                               vq->vq_ring.avail->ring[i] = i;
+                       for (desc_idx = mid_idx; desc_idx < vq->vq_nentries;
+                            desc_idx++)
+                               vq->vq_ring.avail->ring[desc_idx] = desc_idx;
                }
 #endif
-       }
-}
-
-void
-virtio_dev_cq_start(struct rte_eth_dev *dev)
-{
-       struct virtio_hw *hw = dev->data->dev_private;
-
-       if (hw->cvq) {
-               virtio_dev_vring_start(hw->cvq, VTNET_CQ);
-               VIRTQUEUE_DUMP((struct virtqueue *)hw->cvq);
-       }
-}
-
-void
-virtio_dev_rxtx_start(struct rte_eth_dev *dev)
-{
-       /*
-        * Start receive and transmit vrings
-        * -    Setup vring structure for all queues
-        * -    Initialize descriptor for the rx vring
-        * -    Allocate blank mbufs for the each rx descriptor
-        *
-        */
-       int i;
-
-       PMD_INIT_FUNC_TRACE();
-
-       /* Start rx vring. */
-       for (i = 0; i < dev->data->nb_rx_queues; i++) {
-               virtio_dev_vring_start(dev->data->rx_queues[i], VTNET_RQ);
-               VIRTQUEUE_DUMP((struct virtqueue *)dev->data->rx_queues[i]);
-       }
-
-       /* Start tx vring. */
-       for (i = 0; i < dev->data->nb_tx_queues; i++) {
-               virtio_dev_vring_start(dev->data->tx_queues[i], VTNET_TQ);
-               VIRTQUEUE_DUMP((struct virtqueue *)dev->data->tx_queues[i]);
+               VIRTQUEUE_DUMP(vq);
        }
 }
 
@@ -438,24 +440,24 @@ virtio_dev_rx_queue_setup(struct rte_eth_dev *dev,
                        struct rte_mempool *mp)
 {
        uint16_t vtpci_queue_idx = 2 * queue_idx + VTNET_SQ_RQ_QUEUE_IDX;
-       struct virtqueue *vq;
+       struct virtnet_rx *rxvq;
        int ret;
 
        PMD_INIT_FUNC_TRACE();
        ret = virtio_dev_queue_setup(dev, VTNET_RQ, queue_idx, vtpci_queue_idx,
-                       nb_desc, socket_id, &vq);
+                       nb_desc, socket_id, (void **)&rxvq);
        if (ret < 0) {
                PMD_INIT_LOG(ERR, "rvq initialization failed");
                return ret;
        }
 
        /* Create mempool for rx mbuf allocation */
-       vq->mpool = mp;
+       rxvq->mpool = mp;
 
-       dev->data->rx_queues[queue_idx] = vq;
+       dev->data->rx_queues[queue_idx] = rxvq;
 
 #ifdef RTE_MACHINE_CPUFLAG_SSSE3
-       virtio_rxq_vec_setup(vq);
+       virtio_rxq_vec_setup(rxvq);
 #endif
 
        return 0;
@@ -464,7 +466,16 @@ virtio_dev_rx_queue_setup(struct rte_eth_dev *dev,
 void
 virtio_dev_rx_queue_release(void *rxq)
 {
-       virtio_dev_queue_release(rxq);
+       struct virtnet_rx *rxvq = rxq;
+       struct virtqueue *vq = rxvq->vq;
+       /* rxvq is freed when vq is freed, and as mz should be freed after the
+        * del_queue, so we reserve the mz pointer first.
+        */
+       const struct rte_memzone *mz = rxvq->mz;
+
+       /* no need to free rxq as vq and rxq are allocated together */
+       virtio_dev_queue_release(vq);
+       rte_memzone_free(mz);
 }
 
 /*
@@ -486,6 +497,7 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
 #ifdef RTE_MACHINE_CPUFLAG_SSSE3
        struct virtio_hw *hw = dev->data->dev_private;
 #endif
+       struct virtnet_tx *txvq;
        struct virtqueue *vq;
        uint16_t tx_free_thresh;
        int ret;
@@ -510,11 +522,12 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
 #endif
 
        ret = virtio_dev_queue_setup(dev, VTNET_TQ, queue_idx, vtpci_queue_idx,
-                       nb_desc, socket_id, &vq);
+                       nb_desc, socket_id, (void **)&txvq);
        if (ret < 0) {
-               PMD_INIT_LOG(ERR, "rvq initialization failed");
+               PMD_INIT_LOG(ERR, "tvq initialization failed");
                return ret;
        }
+       vq = txvq->vq;
 
        tx_free_thresh = tx_conf->tx_free_thresh;
        if (tx_free_thresh == 0)
@@ -532,14 +545,24 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
 
        vq->vq_free_thresh = tx_free_thresh;
 
-       dev->data->tx_queues[queue_idx] = vq;
+       dev->data->tx_queues[queue_idx] = txvq;
        return 0;
 }
 
 void
 virtio_dev_tx_queue_release(void *txq)
 {
-       virtio_dev_queue_release(txq);
+       struct virtnet_tx *txvq = txq;
+       struct virtqueue *vq = txvq->vq;
+       /* txvq is freed when vq is freed, and as mz should be freed after the
+        * del_queue, so we reserve the mz pointer first.
+        */
+       const struct rte_memzone *hdr_mz = txvq->virtio_net_hdr_mz;
+       const struct rte_memzone *mz = txvq->mz;
+
+       virtio_dev_queue_release(vq);
+       rte_memzone_free(mz);
+       rte_memzone_free(hdr_mz);
 }
 
 static void
@@ -558,34 +581,34 @@ virtio_discard_rxbuf(struct virtqueue *vq, struct rte_mbuf *m)
 }
 
 static void
-virtio_update_packet_stats(struct virtqueue *vq, struct rte_mbuf *mbuf)
+virtio_update_packet_stats(struct virtnet_stats *stats, struct rte_mbuf *mbuf)
 {
        uint32_t s = mbuf->pkt_len;
        struct ether_addr *ea;
 
        if (s == 64) {
-               vq->size_bins[1]++;
+               stats->size_bins[1]++;
        } else if (s > 64 && s < 1024) {
                uint32_t bin;
 
                /* count zeros, and offset into correct bin */
                bin = (sizeof(s) * 8) - __builtin_clz(s) - 5;
-               vq->size_bins[bin]++;
+               stats->size_bins[bin]++;
        } else {
                if (s < 64)
-                       vq->size_bins[0]++;
+                       stats->size_bins[0]++;
                else if (s < 1519)
-                       vq->size_bins[6]++;
+                       stats->size_bins[6]++;
                else if (s >= 1519)
-                       vq->size_bins[7]++;
+                       stats->size_bins[7]++;
        }
 
        ea = rte_pktmbuf_mtod(mbuf, struct ether_addr *);
        if (is_multicast_ether_addr(ea)) {
                if (is_broadcast_ether_addr(ea))
-                       vq->broadcast++;
+                       stats->broadcast++;
                else
-                       vq->multicast++;
+                       stats->multicast++;
        }
 }
 
@@ -594,7 +617,8 @@ virtio_update_packet_stats(struct virtqueue *vq, struct rte_mbuf *mbuf)
 uint16_t
 virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 {
-       struct virtqueue *rxvq = rx_queue;
+       struct virtnet_rx *rxvq = rx_queue;
+       struct virtqueue *vq = rxvq->vq;
        struct virtio_hw *hw;
        struct rte_mbuf *rxm, *new_mbuf;
        uint16_t nb_used, num, nb_rx;
@@ -604,19 +628,19 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
        uint32_t i, nb_enqueued;
        uint32_t hdr_size;
 
-       nb_used = VIRTQUEUE_NUSED(rxvq);
+       nb_used = VIRTQUEUE_NUSED(vq);
 
        virtio_rmb();
 
        num = (uint16_t)(likely(nb_used <= nb_pkts) ? nb_used : nb_pkts);
        num = (uint16_t)(likely(num <= VIRTIO_MBUF_BURST_SZ) ? num : VIRTIO_MBUF_BURST_SZ);
        if (likely(num > DESC_PER_CACHELINE))
-               num = num - ((rxvq->vq_used_cons_idx + num) % DESC_PER_CACHELINE);
+               num = num - ((vq->vq_used_cons_idx + num) % DESC_PER_CACHELINE);
 
-       num = virtqueue_dequeue_burst_rx(rxvq, rcv_pkts, len, num);
+       num = virtqueue_dequeue_burst_rx(vq, rcv_pkts, len, num);
        PMD_RX_LOG(DEBUG, "used:%d dequeue:%d", nb_used, num);
 
-       hw = rxvq->hw;
+       hw = vq->hw;
        nb_rx = 0;
        nb_enqueued = 0;
        hdr_size = hw->vtnet_hdr_size;
@@ -629,8 +653,8 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
                if (unlikely(len[i] < hdr_size + ETHER_HDR_LEN)) {
                        PMD_RX_LOG(ERR, "Packet drop");
                        nb_enqueued++;
-                       virtio_discard_rxbuf(rxvq, rxm);
-                       rxvq->errors++;
+                       virtio_discard_rxbuf(vq, rxm);
+                       rxvq->stats.errors++;
                        continue;
                }
 
@@ -651,23 +675,23 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 
                rx_pkts[nb_rx++] = rxm;
 
-               rxvq->bytes += rx_pkts[nb_rx - 1]->pkt_len;
-               virtio_update_packet_stats(rxvq, rxm);
+               rxvq->stats.bytes += rx_pkts[nb_rx - 1]->pkt_len;
+               virtio_update_packet_stats(&rxvq->stats, rxm);
        }
 
-       rxvq->packets += nb_rx;
+       rxvq->stats.packets += nb_rx;
 
        /* Allocate new mbuf for the used descriptor */
        error = ENOSPC;
-       while (likely(!virtqueue_full(rxvq))) {
-               new_mbuf = rte_rxmbuf_alloc(rxvq->mpool);
+       while (likely(!virtqueue_full(vq))) {
+               new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
                if (unlikely(new_mbuf == NULL)) {
                        struct rte_eth_dev *dev
                                = &rte_eth_devices[rxvq->port_id];
                        dev->data->rx_mbuf_alloc_failed++;
                        break;
                }
-               error = virtqueue_enqueue_recv_refill(rxvq, new_mbuf);
+               error = virtqueue_enqueue_recv_refill(vq, new_mbuf);
                if (unlikely(error)) {
                        rte_pktmbuf_free(new_mbuf);
                        break;
@@ -676,11 +700,11 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
        }
 
        if (likely(nb_enqueued)) {
-               vq_update_avail_idx(rxvq);
+               vq_update_avail_idx(vq);
 
-               if (unlikely(virtqueue_kick_prepare(rxvq))) {
-                       virtqueue_notify(rxvq);
-                       PMD_RX_LOG(DEBUG, "Notified\n");
+               if (unlikely(virtqueue_kick_prepare(vq))) {
+                       virtqueue_notify(vq);
+                       PMD_RX_LOG(DEBUG, "Notified");
                }
        }
 
@@ -692,7 +716,8 @@ virtio_recv_mergeable_pkts(void *rx_queue,
                        struct rte_mbuf **rx_pkts,
                        uint16_t nb_pkts)
 {
-       struct virtqueue *rxvq = rx_queue;
+       struct virtnet_rx *rxvq = rx_queue;
+       struct virtqueue *vq = rxvq->vq;
        struct virtio_hw *hw;
        struct rte_mbuf *rxm, *new_mbuf;
        uint16_t nb_used, num, nb_rx;
@@ -706,13 +731,13 @@ virtio_recv_mergeable_pkts(void *rx_queue,
        uint32_t seg_res;
        uint32_t hdr_size;
 
-       nb_used = VIRTQUEUE_NUSED(rxvq);
+       nb_used = VIRTQUEUE_NUSED(vq);
 
        virtio_rmb();
 
-       PMD_RX_LOG(DEBUG, "used:%d\n", nb_used);
+       PMD_RX_LOG(DEBUG, "used:%d", nb_used);
 
-       hw = rxvq->hw;
+       hw = vq->hw;
        nb_rx = 0;
        i = 0;
        nb_enqueued = 0;
@@ -727,22 +752,22 @@ virtio_recv_mergeable_pkts(void *rx_queue,
                if (nb_rx == nb_pkts)
                        break;
 
-               num = virtqueue_dequeue_burst_rx(rxvq, rcv_pkts, len, 1);
+               num = virtqueue_dequeue_burst_rx(vq, rcv_pkts, len, 1);
                if (num != 1)
                        continue;
 
                i++;
 
-               PMD_RX_LOG(DEBUG, "dequeue:%d\n", num);
-               PMD_RX_LOG(DEBUG, "packet len:%d\n", len[0]);
+               PMD_RX_LOG(DEBUG, "dequeue:%d", num);
+               PMD_RX_LOG(DEBUG, "packet len:%d", len[0]);
 
                rxm = rcv_pkts[0];
 
                if (unlikely(len[0] < hdr_size + ETHER_HDR_LEN)) {
-                       PMD_RX_LOG(ERR, "Packet drop\n");
+                       PMD_RX_LOG(ERR, "Packet drop");
                        nb_enqueued++;
-                       virtio_discard_rxbuf(rxvq, rxm);
-                       rxvq->errors++;
+                       virtio_discard_rxbuf(vq, rxm);
+                       rxvq->stats.errors++;
                        continue;
                }
 
@@ -773,18 +798,18 @@ virtio_recv_mergeable_pkts(void *rx_queue,
                         */
                        uint16_t  rcv_cnt =
                                RTE_MIN(seg_res, RTE_DIM(rcv_pkts));
-                       if (likely(VIRTQUEUE_NUSED(rxvq) >= rcv_cnt)) {
+                       if (likely(VIRTQUEUE_NUSED(vq) >= rcv_cnt)) {
                                uint32_t rx_num =
-                                       virtqueue_dequeue_burst_rx(rxvq,
+                                       virtqueue_dequeue_burst_rx(vq,
                                        rcv_pkts, len, rcv_cnt);
                                i += rx_num;
                                rcv_cnt = rx_num;
                        } else {
                                PMD_RX_LOG(ERR,
-                                       "No enough segments for packet.\n");
+                                          "No enough segments for packet.");
                                nb_enqueued++;
-                               virtio_discard_rxbuf(rxvq, rxm);
-                               rxvq->errors++;
+                               virtio_discard_rxbuf(vq, rxm);
+                               rxvq->stats.errors++;
                                break;
                        }
 
@@ -814,24 +839,24 @@ virtio_recv_mergeable_pkts(void *rx_queue,
                VIRTIO_DUMP_PACKET(rx_pkts[nb_rx],
                        rx_pkts[nb_rx]->data_len);
 
-               rxvq->bytes += rx_pkts[nb_rx]->pkt_len;
-               virtio_update_packet_stats(rxvq, rx_pkts[nb_rx]);
+               rxvq->stats.bytes += rx_pkts[nb_rx]->pkt_len;
+               virtio_update_packet_stats(&rxvq->stats, rx_pkts[nb_rx]);
                nb_rx++;
        }
 
-       rxvq->packets += nb_rx;
+       rxvq->stats.packets += nb_rx;
 
        /* Allocate new mbuf for the used descriptor */
        error = ENOSPC;
-       while (likely(!virtqueue_full(rxvq))) {
-               new_mbuf = rte_rxmbuf_alloc(rxvq->mpool);
+       while (likely(!virtqueue_full(vq))) {
+               new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
                if (unlikely(new_mbuf == NULL)) {
                        struct rte_eth_dev *dev
                                = &rte_eth_devices[rxvq->port_id];
                        dev->data->rx_mbuf_alloc_failed++;
                        break;
                }
-               error = virtqueue_enqueue_recv_refill(rxvq, new_mbuf);
+               error = virtqueue_enqueue_recv_refill(vq, new_mbuf);
                if (unlikely(error)) {
                        rte_pktmbuf_free(new_mbuf);
                        break;
@@ -840,10 +865,10 @@ virtio_recv_mergeable_pkts(void *rx_queue,
        }
 
        if (likely(nb_enqueued)) {
-               vq_update_avail_idx(rxvq);
+               vq_update_avail_idx(vq);
 
-               if (unlikely(virtqueue_kick_prepare(rxvq))) {
-                       virtqueue_notify(rxvq);
+               if (unlikely(virtqueue_kick_prepare(vq))) {
+                       virtqueue_notify(vq);
                        PMD_RX_LOG(DEBUG, "Notified");
                }
        }
@@ -854,8 +879,9 @@ virtio_recv_mergeable_pkts(void *rx_queue,
 uint16_t
 virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 {
-       struct virtqueue *txvq = tx_queue;
-       struct virtio_hw *hw = txvq->hw;
+       struct virtnet_tx *txvq = tx_queue;
+       struct virtqueue *vq = txvq->vq;
+       struct virtio_hw *hw = vq->hw;
        uint16_t hdr_size = hw->vtnet_hdr_size;
        uint16_t nb_used, nb_tx;
        int error;
@@ -864,11 +890,11 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                return nb_pkts;
 
        PMD_TX_LOG(DEBUG, "%d packets to xmit", nb_pkts);
-       nb_used = VIRTQUEUE_NUSED(txvq);
+       nb_used = VIRTQUEUE_NUSED(vq);
 
        virtio_rmb();
-       if (likely(nb_used > txvq->vq_nentries - txvq->vq_free_thresh))
-               virtio_xmit_cleanup(txvq, nb_used);
+       if (likely(nb_used > vq->vq_nentries - vq->vq_free_thresh))
+               virtio_xmit_cleanup(vq, nb_used);
 
        for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
                struct rte_mbuf *txm = tx_pkts[nb_tx];
@@ -886,6 +912,7 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                /* optimize ring usage */
                if (vtpci_with_feature(hw, VIRTIO_F_ANY_LAYOUT) &&
                    rte_mbuf_refcnt_read(txm) == 1 &&
+                   RTE_MBUF_DIRECT(txm) &&
                    txm->nb_segs == 1 &&
                    rte_pktmbuf_headroom(txm) >= hdr_size &&
                    rte_is_aligned(rte_pktmbuf_mtod(txm, char *),
@@ -901,16 +928,16 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                 * default    => number of segments + 1
                 */
                slots = use_indirect ? 1 : (txm->nb_segs + !can_push);
-               need = slots - txvq->vq_free_cnt;
+               need = slots - vq->vq_free_cnt;
 
                /* Positive value indicates it need free vring descriptors */
                if (unlikely(need > 0)) {
-                       nb_used = VIRTQUEUE_NUSED(txvq);
+                       nb_used = VIRTQUEUE_NUSED(vq);
                        virtio_rmb();
                        need = RTE_MIN(need, (int)nb_used);
 
-                       virtio_xmit_cleanup(txvq, need);
-                       need = slots - txvq->vq_free_cnt;
+                       virtio_xmit_cleanup(vq, need);
+                       need = slots - vq->vq_free_cnt;
                        if (unlikely(need > 0)) {
                                PMD_TX_LOG(ERR,
                                           "No free tx descriptors to transmit");
@@ -921,17 +948,17 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                /* Enqueue Packet buffers */
                virtqueue_enqueue_xmit(txvq, txm, slots, use_indirect, can_push);
 
-               txvq->bytes += txm->pkt_len;
-               virtio_update_packet_stats(txvq, txm);
+               txvq->stats.bytes += txm->pkt_len;
+               virtio_update_packet_stats(&txvq->stats, txm);
        }
 
-       txvq->packets += nb_tx;
+       txvq->stats.packets += nb_tx;
 
        if (likely(nb_tx)) {
-               vq_update_avail_idx(txvq);
+               vq_update_avail_idx(vq);
 
-               if (unlikely(virtqueue_kick_prepare(txvq))) {
-                       virtqueue_notify(txvq);
+               if (unlikely(virtqueue_kick_prepare(vq))) {
+                       virtqueue_notify(vq);
                        PMD_TX_LOG(DEBUG, "Notified backend after xmit");
                }
        }