From: Huawei Xie
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH] virtio: fix virtio_net_hdr desc pointing to the same buffer
Date: Fri, 11 Dec 2015 00:07:32 +0800 [thread overview]
Message-ID: <1449763652-86292-1-git-send-email-huawei.xie@intel.com> (raw)
The virtio_net_hdr desc all pointed to the same buffer. It doesn't cause
issue because in the simple TX mode we don't use the header. This patch
makes the header desc point to different buffer.
Signed-off-by: Huawei Xie <huawei.xie@intel.com>
---
drivers/net/virtio/virtio_rxtx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 74b39ef..6cfd315 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -352,7 +352,7 @@ virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
vq->vq_ring.desc[i + mid_idx].next = i;
vq->vq_ring.desc[i + mid_idx].addr =
vq->virtio_net_hdr_mem +
- mid_idx * vq->hw->vtnet_hdr_size;
+ i * vq->hw->vtnet_hdr_size;
vq->vq_ring.desc[i + mid_idx].len =
vq->hw->vtnet_hdr_size;
vq->vq_ring.desc[i + mid_idx].flags =
--
1.8.1.4
next reply other threads:[~2015-12-11 8:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-10 16:07 Huawei [this message]
2015-12-12 7:39 ` Tan, Jianfeng
2015-12-14 1:21 ` Xie, Huawei
2015-12-14 1:35 ` Tan, Jianfeng
2015-12-14 3:01 ` Yuanhan Liu
2015-12-14 9:32 ` Thomas Monjalon
2015-12-14 11:47 ` Yuanhan Liu
2015-12-14 12:44 ` Thomas Monjalon
2015-12-14 13:09 ` Yuanhan Liu
2015-12-14 13:38 ` Xie, Huawei
2015-12-14 13:45 ` Thomas Monjalon
2015-12-14 13:58 ` Xie, Huawei
2016-02-10 15:36 ` Bruce Richardson
2015-12-10 17:57 [dpdk-dev] [PATCH 0/4] vhost: Fix various coverity issues in vhost library Huawei
2015-12-10 17:57 ` [dpdk-dev] [PATCH] virtio: fix virtio_net_hdr desc pointing to the same buffer Huawei
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