dpdk/0164-net-hns3-fix-ordering-in-secondary-process-initializ.patch
speech_white 3a8995b1ad Update DPDK baseline version
Update DPDK version from 19.11 to 20.11 and also support
hns3 PMD for Kunpeng 920 and Kunpeng 930.

Signed-off-by: speech_white <humin29@huawei.com>
2021-06-28 00:52:34 +00:00

37 lines
1.2 KiB
Diff

From 0bfe64c5063855fb27785c2f73e98cc8f2893e0b Mon Sep 17 00:00:00 2001
From: Chengwen Feng <fengchengwen@huawei.com>
Date: Mon, 10 May 2021 21:38:12 +0800
Subject: [PATCH 164/189] net/hns3: fix ordering in secondary process
initialization
The memory barrier is used to ensure that the response is returned
only after the Tx/Rx function is set, it should place after the Rx/Tx
function is set.
Fixes: 23d4b61fee5d ("net/hns3: support multiple process")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
drivers/net/hns3/hns3_mp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/hns3/hns3_mp.c b/drivers/net/hns3/hns3_mp.c
index 7d85de3..b5cd5b0 100644
--- a/drivers/net/hns3/hns3_mp.c
+++ b/drivers/net/hns3/hns3_mp.c
@@ -86,8 +86,8 @@ mp_secondary_handle(const struct rte_mp_msg *mp_msg, const void *peer)
case HNS3_MP_REQ_START_RXTX:
PMD_INIT_LOG(INFO, "port %u starting datapath",
dev->data->port_id);
- rte_mb();
hns3_set_rxtx_function(dev);
+ rte_mb();
mp_init_msg(dev, &mp_res, param->type);
res->result = 0;
ret = rte_mp_reply(&mp_res, peer);
--
2.7.4