* [dpdk-stable] [DPDK] vhost: fix zero-copy cannot be enabled
@ 2020-05-13 2:08 Xuan Ding
0 siblings, 0 replies; only message in thread
From: Xuan Ding @ 2020-05-13 2:08 UTC (permalink / raw)
To: qabuild; +Cc: Xuan Ding, stable
This patch fixes the situation where vhost-user cannot start as server with
dequeue_zero_copy enabled.
Using flag instead of vsocket->is_server to determine whether vhost-user is
in client mode. Because vsocket->is_server is not ready at this time.
Cc: stable@dpdk.org
Signed-off-by: Xuan Ding <xuan.ding@intel.com>
---
v2:
* Added the description of problem solved in commit log.
---
lib/librte_vhost/socket.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_vhost/socket.c b/lib/librte_vhost/socket.c
index bb8d0d780..0a66ef976 100644
--- a/lib/librte_vhost/socket.c
+++ b/lib/librte_vhost/socket.c
@@ -926,7 +926,7 @@ rte_vhost_driver_register(const char *path, uint64_t flags)
ret = -1;
goto out_mutex;
}
- if (!vsocket->is_server) {
+ if ((flags & RTE_VHOST_USER_CLIENT) != 0) {
VHOST_LOG_CONFIG(ERR,
"error: zero copy is incompatible with vhost client mode\n");
ret = -1;
--
2.17.1
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