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| author | Aviv Heller <avivh@mellanox.com> | 2016-09-18 20:48:02 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-10-07 16:54:21 -0400 |
| commit | 88621dfe90677a6a07ae1aff9feb1773226bc8b0 (patch) | |
| tree | 6c1e39678abcbb0496cca19e56a522ef2cd723d4 /drivers/infiniband | |
| parent | 9ef9c640f4c5376189d8ca70f51a50a3d0b16914 (diff) | |
| download | linux-88621dfe90677a6a07ae1aff9feb1773226bc8b0.tar.gz linux-88621dfe90677a6a07ae1aff9feb1773226bc8b0.tar.bz2 linux-88621dfe90677a6a07ae1aff9feb1773226bc8b0.zip | |
IB/mlx5: Port status track LAG master, when LAG is active
When LAG is active, port up/down events should be triggered
by tracking the LAG master, and not one of the two slave
netdevs.
In the same manner, ib_query_port() should return the details
of the LAG master.
Signed-off-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 70e7c8dcd4e0..00a3616f395c 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -118,8 +118,17 @@ static int mlx5_netdev_event(struct notifier_block *this, break; case NETDEV_UP: - case NETDEV_DOWN: - if (ndev == ibdev->roce.netdev && ibdev->ib_active) { + case NETDEV_DOWN: { + struct net_device *lag_ndev = mlx5_lag_get_roce_netdev(ibdev->mdev); + struct net_device *upper = NULL; + + if (lag_ndev) { + upper = netdev_master_upper_dev_get(lag_ndev); + dev_put(lag_ndev); + } + + if ((upper == ndev || (!upper && ndev == ibdev->roce.netdev)) + && ibdev->ib_active) { struct ib_event ibev = {0}; ibev.device = &ibdev->ib_dev; @@ -129,6 +138,7 @@ static int mlx5_netdev_event(struct notifier_block *this, ib_dispatch_event(&ibev); } break; + } default: break; @@ -143,6 +153,10 @@ static struct net_device *mlx5_ib_get_netdev(struct ib_device *device, struct mlx5_ib_dev *ibdev = to_mdev(device); struct net_device *ndev; + ndev = mlx5_lag_get_roce_netdev(ibdev->mdev); + if (ndev) + return ndev; + /* Ensure ndev does not disappear before we invoke dev_hold() */ read_lock(&ibdev->roce.netdev_lock); @@ -158,7 +172,7 @@ static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, struct ib_port_attr *props) { struct mlx5_ib_dev *dev = to_mdev(device); - struct net_device *ndev; + struct net_device *ndev, *upper; enum ib_mtu ndev_ib_mtu; u16 qkey_viol_cntr; @@ -182,6 +196,17 @@ static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, if (!ndev) return 0; + if (mlx5_lag_is_active(dev->mdev)) { + rcu_read_lock(); + upper = netdev_master_upper_dev_get_rcu(ndev); + if (upper) { + dev_put(ndev); + ndev = upper; + dev_hold(ndev); + } + rcu_read_unlock(); + } + if (netif_running(ndev) && netif_carrier_ok(ndev)) { props->state = IB_PORT_ACTIVE; props->phys_state = 5; |