linux-kernel - [PATCH RFC 11/12] RDMA/mlx5: Handle link status event only for LAG device

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Message-ID: <20241122105308.2150505-12-huangjunxian6@hisilicon.com>
Date: Fri, 22 Nov 2024 18:53:07 +0800
From: Junxian Huang <huangjunxian6@...ilicon.com>
To: <jgg@...pe.ca>, <leon@...nel.org>, <selvin.xavier@...adcom.com>,
	<chengyou@...ux.alibaba.com>, <kaishen@...ux.alibaba.com>,
	<mustafa.ismail@...el.com>, <tatyana.e.nikolova@...el.com>,
	<yishaih@...dia.com>, <benve@...co.com>, <neescoba@...co.com>,
	<bryan-bt.tan@...adcom.com>, <vishnu.dasa@...adcom.com>,
	<zyjzyj2000@...il.com>, <bmt@...ich.ibm.com>
CC: <linux-rdma@...r.kernel.org>, <linuxarm@...wei.com>,
	<linux-kernel@...r.kernel.org>, <huangjunxian6@...ilicon.com>,
	<tangchengchang@...wei.com>, <liyuyu6@...wei.com>
Subject: [PATCH RFC 11/12] RDMA/mlx5: Handle link status event only for LAG device

From: Yuyu Li <liyuyu6@...wei.com>

The link status events of non-LAG devices are now handled in ib_core,
so only LAG device events need to be handled in driver.

Signed-off-by: Yuyu Li <liyuyu6@...wei.com>
Signed-off-by: Junxian Huang <huangjunxian6@...ilicon.com>
---
 drivers/infiniband/hw/mlx5/main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index bc7930d0c564..e4010f871865 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -242,6 +242,9 @@ static int mlx5_netdev_event(struct notifier_block *this,
 	case NETDEV_DOWN: {
 		struct net_device *upper = NULL;
 
+		if (!netif_is_lag_master(ndev) && !netif_is_lag_port(ndev))
+			return NOTIFY_DONE;
+
 		if (mlx5_lag_is_roce(mdev) || mlx5_lag_is_sriov(mdev)) {
 			struct net_device *lag_ndev;
 
-- 
2.33.0