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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>
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1 changed files with 8 additions and 1 deletions
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@ -2488,7 +2488,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
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if (mlx4_ib_init_sriov(ibdev))
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goto err_mad;
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if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) {
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if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE ||
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dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) {
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if (!iboe->nb.notifier_call) {
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iboe->nb.notifier_call = mlx4_ib_netdev_event;
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err = register_netdevice_notifier(&iboe->nb);
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@ -2497,6 +2498,12 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
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goto err_notif;
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}
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}
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if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) {
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err = mlx4_config_roce_v2_port(dev, ROCE_V2_UDP_DPORT);
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if (err) {
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goto err_notif;
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}
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}
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}
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for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) {
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