* [dpdk-dev] [PATCH v2] lib/librte_vhost:fix can't send packet anymore after mempool is full again
@ 2015-03-20 8:27 linhaifeng
0 siblings, 0 replies; only message in thread
From: linhaifeng @ 2015-03-20 8:27 UTC (permalink / raw)
To: dev
From: Linhaifeng <haifeng.lin@huawei.com>
When failed to malloc buffer from mempool we just update last_used_idx but
not used->idx so after many times vhost thought have handle all packets
but virtio_net thought vhost have not handle all packets and will not
update avail->idx.
Signed-off-by: Linhaifeng <haifeng.lin@huawei.com>
---
lib/librte_vhost/vhost_rxtx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_vhost/vhost_rxtx.c b/lib/librte_vhost/vhost_rxtx.c
index 535c7a1..510ffe8 100644
--- a/lib/librte_vhost/vhost_rxtx.c
+++ b/lib/librte_vhost/vhost_rxtx.c
@@ -609,7 +609,7 @@ rte_vhost_dequeue_burst(struct virtio_net *dev, uint16_t queue_id,
if (unlikely(m == NULL)) {
RTE_LOG(ERR, VHOST_DATA,
"Failed to allocate memory for mbuf.\n");
- return entry_success;
+ break;
}
seg_offset = 0;
seg_avail = m->buf_len - RTE_PKTMBUF_HEADROOM;
--
1.8.5.2.msysgit.0
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