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IB/mlx5: Enable IPoIB acceleration

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Enable mlx5 IPoIB acceleration by declaring
mlx5_ib_{alloc,free}_rdma_netdev and assigning the mlx5
IPoIB rdma_netdev callbacks.

In addition, this patch brings in sync mlx5's IPoIB parts for net and IB
trees. As a precaution, we disabled IPoIB acceleration by default (in
the mlx5_core Kconfig file).

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Erez Shitrit 2017-04-27 17:01:34 +03:00 • committed by Doug Ledford
parent 4ac4d58488
commit 693dfd5a3f
5 changed files with 70 additions and 19 deletions
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19
include/linux/mlx5/driver.h
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@ -1102,6 +1102,25 @@ struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
#ifndef CONFIG_MLX5_CORE_IPOIB
static inline
struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
struct ib_device *ibdev,
const char *name,
void (*setup)(struct net_device *))
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void mlx5_rdma_netdev_free(struct net_device *netdev) {}
#else
struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
struct ib_device *ibdev,
const char *name,
void (*setup)(struct net_device *));
void mlx5_rdma_netdev_free(struct net_device *netdev);
#endif /* CONFIG_MLX5_CORE_IPOIB */
struct mlx5_profile {
u64 mask;
u8 log_max_qp;