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RDMA/mlx5: Obtain upper net device only when needed 

[ Upstream commit 3ed7f9e239938a0cfaf3689e2f545229ecabec06 ]

Report the upper device's state as the RDMA port state only in RoCE LAG or
switchdev LAG.

Fixes: 27f9e0ccb6 ("net/mlx5: Lag, Add single RDMA device in multiport mode")
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Link: https://patch.msgid.link/20240909173025.30422-3-michaelgur@nvidia.com
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mark Bloch 2024-09-09 20:30:20 +03:00 committed by Greg Kroah-Hartman
parent e8721e9ba1
commit 6eff336b10
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mlx5/main.c
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@ -539,7 +539,7 @@ static int mlx5_query_port_roce(struct ib_device *device, u32 port_num,
if (!ndev)
goto out;
if (dev->lag_active) {
if (mlx5_lag_is_roce(mdev) || mlx5_lag_is_sriov(mdev)) {
rcu_read_lock();
upper = netdev_master_upper_dev_get_rcu(ndev);
if (upper) {