New upstream version 17.11.4

[deb_dpdk.git] / lib / librte_vhost / virtio_net.c

diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index ecfabca..bde360f 100644 (file)
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -107,7 +107,7 @@ do_flush_shadow_used_ring(struct virtio_net *dev, struct vhost_virtqueue *vq,
        rte_memcpy(&vq->used->ring[to],
                        &vq->shadow_used_ring[from],
                        size * sizeof(struct vring_used_elem));
-       vhost_log_used_vring(dev, vq,
+       vhost_log_cache_used_vring(dev, vq,
                        offsetof(struct vring_used, ring[to]),
                        size * sizeof(struct vring_used_elem));
 }
@@ -135,6 +135,8 @@ flush_shadow_used_ring(struct virtio_net *dev, struct vhost_virtqueue *vq)
 
        rte_smp_wmb();
 
+       vhost_log_cache_sync(dev, vq);
+
        *(volatile uint16_t *)&vq->used->idx += vq->shadow_used_idx;
        vhost_log_used_vring(dev, vq, offsetof(struct vring_used, idx),
                sizeof(vq->used->idx));
@@ -159,7 +161,7 @@ do_data_copy_enqueue(struct virtio_net *dev, struct vhost_virtqueue *vq)
 
        for (i = 0; i < count; i++) {
                rte_memcpy(elem[i].dst, elem[i].src, elem[i].len);
-               vhost_log_write(dev, elem[i].log_addr, elem[i].len);
+               vhost_log_cache_write(dev, vq, elem[i].log_addr, elem[i].len);
                PRINT_PACKET(dev, (uintptr_t)elem[i].dst, elem[i].len, 0);
        }
 }
@@ -275,7 +277,7 @@ copy_mbuf_to_desc(struct virtio_net *dev, struct vhost_virtqueue *vq,
                virtio_enqueue_offload(m,
                                (struct virtio_net_hdr *)(uintptr_t)desc_addr);
                PRINT_PACKET(dev, (uintptr_t)desc_addr, dev->vhost_hlen, 0);
-               vhost_log_write(dev, desc_gaddr, dev->vhost_hlen);
+               vhost_log_cache_write(dev, vq, desc_gaddr, dev->vhost_hlen);
        } else {
                struct virtio_net_hdr vnet_hdr;
                uint64_t remain = dev->vhost_hlen;
@@ -298,7 +300,7 @@ copy_mbuf_to_desc(struct virtio_net *dev, struct vhost_virtqueue *vq,
                                        (void *)(uintptr_t)src, len);
 
                        PRINT_PACKET(dev, (uintptr_t)dst, (uint32_t)len, 0);
-                       vhost_log_write(dev, guest_addr, len);
+                       vhost_log_cache_write(dev, vq, guest_addr, len);
                        remain -= len;
                        guest_addr += len;
                        dst += len;
@@ -379,7 +381,8 @@ copy_mbuf_to_desc(struct virtio_net *dev, struct vhost_virtqueue *vq,
                                                        desc_offset)),
                                rte_pktmbuf_mtod_offset(m, void *, mbuf_offset),
                                cpy_len);
-                       vhost_log_write(dev, desc_gaddr + desc_offset, cpy_len);
+                       vhost_log_cache_write(dev, vq, desc_gaddr + desc_offset,
+                                       cpy_len);
                        PRINT_PACKET(dev, (uintptr_t)(desc_addr + desc_offset),
                                     cpy_len, 0);
                } else {
@@ -468,7 +471,7 @@ virtio_dev_rx(struct virtio_net *dev, uint16_t queue_id,
                vq->used->ring[used_idx].id = desc_indexes[i];
                vq->used->ring[used_idx].len = pkts[i]->pkt_len +
                                               dev->vhost_hlen;
-               vhost_log_used_vring(dev, vq,
+               vhost_log_cache_used_vring(dev, vq,
                        offsetof(struct vring_used, ring[used_idx]),
                        sizeof(vq->used->ring[used_idx]));
        }
@@ -528,6 +531,8 @@ virtio_dev_rx(struct virtio_net *dev, uint16_t queue_id,
 
        rte_smp_wmb();
 
+       vhost_log_cache_sync(dev, vq);
+
        *(volatile uint16_t *)&vq->used->idx += count;
        vq->last_used_idx += count;
        vhost_log_used_vring(dev, vq,
@@ -797,7 +802,8 @@ copy_mbuf_to_desc_mergeable(struct virtio_net *dev, struct vhost_virtqueue *vq,
 
                                        PRINT_PACKET(dev, (uintptr_t)dst,
                                                        (uint32_t)len, 0);
-                                       vhost_log_write(dev, guest_addr, len);
+                                       vhost_log_cache_write(dev, vq,
+                                                       guest_addr, len);
 
                                        remain -= len;
                                        guest_addr += len;
@@ -806,7 +812,7 @@ copy_mbuf_to_desc_mergeable(struct virtio_net *dev, struct vhost_virtqueue *vq,
                        } else {
                                PRINT_PACKET(dev, (uintptr_t)hdr_addr,
                                                dev->vhost_hlen, 0);
-                               vhost_log_write(dev, hdr_phys_addr,
+                               vhost_log_cache_write(dev, vq, hdr_phys_addr,
                                                dev->vhost_hlen);
                        }
 
@@ -820,7 +826,8 @@ copy_mbuf_to_desc_mergeable(struct virtio_net *dev, struct vhost_virtqueue *vq,
                                                        desc_offset)),
                                rte_pktmbuf_mtod_offset(m, void *, mbuf_offset),
                                cpy_len);
-                       vhost_log_write(dev, desc_gaddr + desc_offset, cpy_len);
+                       vhost_log_cache_write(dev, vq, desc_gaddr + desc_offset,
+                                       cpy_len);
                        PRINT_PACKET(dev, (uintptr_t)(desc_addr + desc_offset),
                                cpy_len, 0);
                } else {
@@ -1384,7 +1391,7 @@ update_used_ring(struct virtio_net *dev, struct vhost_virtqueue *vq,
 {
        vq->used->ring[used_idx].id  = desc_idx;
        vq->used->ring[used_idx].len = 0;
-       vhost_log_used_vring(dev, vq,
+       vhost_log_cache_used_vring(dev, vq,
                        offsetof(struct vring_used, ring[used_idx]),
                        sizeof(vq->used->ring[used_idx]));
 }
@@ -1399,6 +1406,8 @@ update_used_idx(struct virtio_net *dev, struct vhost_virtqueue *vq,
        rte_smp_wmb();
        rte_smp_rmb();
 
+       vhost_log_cache_sync(dev, vq);
+
        vq->used->idx += count;
        vhost_log_used_vring(dev, vq, offsetof(struct vring_used, idx),
                        sizeof(vq->used->idx));
@@ -1557,7 +1566,7 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
                if (rarp_mbuf == NULL) {
                        RTE_LOG(ERR, VHOST_DATA,
                                "Failed to allocate memory for mbuf.\n");
-                       return 0;
+                       goto out;
                }
 
                if (make_rarp_packet(rarp_mbuf, &dev->mac)) {