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authorLuca Boccassi <luca.boccassi@gmail.com>2018-09-03 10:46:47 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2018-09-03 10:47:29 +0100
commit6e7cbd63706f3435b9d9a2057a37db1da01db9a7 (patch)
tree16c34356813477e4703a15f943b8ed665a39fb5f /lib/librte_vhost/virtio_net.c
parente4df4d55df003957fc5afd7440e3d3192d7ce218 (diff)
New upstream version 17.11.4upstream/17.11.4
Change-Id: Icb6b9664e7c4adb85c087844abe6e54d6ec32db6 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_vhost/virtio_net.c')
-rw-r--r--lib/librte_vhost/virtio_net.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index ecfabca3..bde360f3 100644
--- 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)) {