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IB/mlx4: Enable RoCE v2 when the IB device is added 

If the hardware supports RoCE v2, we configure the hardware UDP
port according to the RoCE v2 Annex when mlx4_ib device is added.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Moni Shoua 2016-01-14 17:50:40 +02:00 committed by Doug Ledford
parent 3b5daf28ac
commit 71a39bbbfc
1 changed files with 8 additions and 1 deletions
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9
drivers/infiniband/hw/mlx4/main.c
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@ -2488,7 +2488,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
if (mlx4_ib_init_sriov(ibdev))
goto err_mad;
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) {
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE ||
dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) {
if (!iboe->nb.notifier_call) {
iboe->nb.notifier_call = mlx4_ib_netdev_event;
err = register_netdevice_notifier(&iboe->nb);
@ -2497,6 +2498,12 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
goto err_notif;
}
}
if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) {
err = mlx4_config_roce_v2_port(dev, ROCE_V2_UDP_DPORT);
if (err) {
goto err_notif;
}
}
}
for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) {