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From: "Min Hu (Connor)" <humin29@huawei.com>
To: <dev@dpdk.org>
Cc: <ferruh.yigit@intel.com>
Subject: [dpdk-dev] [PATCH 05/10] net/hns3: fix flow control exception
Date: Wed, 31 Mar 2021 18:01:39 +0800
Message-ID: <1617184904-55349-6-git-send-email-humin29@huawei.com> (raw)
In-Reply-To: <1617184904-55349-1-git-send-email-humin29@huawei.com>

From: Huisong Li <lihuisong@huawei.com>

In multi-TC scenarios, MAC pause is not supported. Otherwise, only
TC0 can trigger pause frames, and other TCs cannot trigger pause
frames. In this case, flow control does not meet the expectation.

Fixes: 62e3ccc2b94c ("net/hns3: support flow control")
Cc: stable@dpdk.org

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
 drivers/net/hns3/hns3_ethdev.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 005e8bf..2bb0c43 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -5500,6 +5500,11 @@ hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 		return -EOPNOTSUPP;
 	}
 
+	if (hw->num_tc > 1) {
+		hns3_err(hw, "in multi-TC scenarios, MAC pause is not supported.");
+		return -EOPNOTSUPP;
+	}
+
 	hns3_get_fc_mode(hw, fc_conf->mode);
 	if (hw->requested_mode == hw->current_mode &&
 	    pf->pause_time == fc_conf->pause_time)
-- 
2.7.4


  parent reply	other threads:[~2021-03-31 10:01 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-31 10:01 [dpdk-dev] [PATCH 00/10] some bugfixes for hns3 PMD Min Hu (Connor)
2021-03-31 10:01 ` [dpdk-dev] [PATCH 01/10] net/hns3: fix some function names for copper media type Min Hu (Connor)
2021-03-31 10:01 ` [dpdk-dev] [PATCH 02/10] net/hns3: fix set default MAC addr fail in bonding of VF Min Hu (Connor)
2021-03-31 10:01 ` [dpdk-dev] [PATCH 03/10] net/hns3: fix the FLR miss detection Min Hu (Connor)
2021-03-31 10:01 ` [dpdk-dev] [PATCH 04/10] net/hns3: fix lack of rollback after setting PVID failed Min Hu (Connor)
2021-03-31 10:01 ` Min Hu (Connor) [this message]
2021-03-31 10:01 ` [dpdk-dev] [PATCH 06/10] net/hns3: fix flow counter not cleared when create Min Hu (Connor)
2021-03-31 10:01 ` [dpdk-dev] [PATCH 07/10] net/hns3: fix VF mailbox head field wrong update Min Hu (Connor)
2021-03-31 10:01 ` [dpdk-dev] [PATCH 08/10] net/hns3: support get device version when dump register Min Hu (Connor)
2021-03-31 10:01 ` [dpdk-dev] [PATCH 09/10] net/hns3: delete redundant blank line Min Hu (Connor)
2021-03-31 10:01 ` [dpdk-dev] [PATCH 10/10] net/hns3: fix code style static warning Min Hu (Connor)
2021-04-08 17:02 ` [dpdk-dev] [PATCH 00/10] some bugfixes for hns3 PMD Ferruh Yigit

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