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RDMA/mlx5: Add other eswitch support to userspace tables

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Allows the creation of RDMA TRANSPORT tables over VFs/SFs that
belong to another eswitch manager. Which is only possible for PFs that
were connected via a create_lag PRM command.

Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Edward Srouji <edwards@nvidia.com>
Link: https://patch.msgid.link/20251029-support-other-eswitch-v1-7-98bb707b5d57@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Patrisious Haddad 2025-10-29 17:42:59 +02:00 committed by Leon Romanovsky
parent f277662b73
commit 6e79e21005
1 changed files with 12 additions and 4 deletions
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16
drivers/infiniband/hw/mlx5/fs.c
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@ -1874,7 +1874,7 @@ static int mlx5_ib_fill_transport_ns_info(struct mlx5_ib_dev *dev,
u32 *flags, u16 *vport_idx,
u16 *vport,
struct mlx5_core_dev **ft_mdev,
u32 ib_port)
u32 ib_port, u16 *esw_owner_vhca_id)
{
struct mlx5_core_dev *esw_mdev;
@ -1888,8 +1888,13 @@ static int mlx5_ib_fill_transport_ns_info(struct mlx5_ib_dev *dev,
return -EINVAL;
esw_mdev = mlx5_eswitch_get_core_dev(dev->port[ib_port - 1].rep->esw);
if (esw_mdev != dev->mdev)
return -EOPNOTSUPP;
if (esw_mdev != dev->mdev) {
if (!MLX5_CAP_ADV_RDMA(dev->mdev,
rdma_transport_manager_other_eswitch))
return -EOPNOTSUPP;
*flags |= MLX5_FLOW_TABLE_OTHER_ESWITCH;
*esw_owner_vhca_id = MLX5_CAP_GEN(esw_mdev, vhca_id);
}
*flags |= MLX5_FLOW_TABLE_OTHER_VPORT;
*ft_mdev = esw_mdev;
@ -1908,6 +1913,7 @@ _get_flow_table(struct mlx5_ib_dev *dev, u16 user_priority,
struct mlx5_flow_table_attr ft_attr = {};
struct mlx5_flow_namespace *ns = NULL;
struct mlx5_ib_flow_prio *prio = NULL;
u16 esw_owner_vhca_id = 0;
int max_table_size = 0;
u16 vport_idx = 0;
bool esw_encap;
@ -1969,7 +1975,8 @@ _get_flow_table(struct mlx5_ib_dev *dev, u16 user_priority,
return ERR_PTR(-EINVAL);
ret = mlx5_ib_fill_transport_ns_info(dev, ns_type, &flags,
&vport_idx, &vport,
&ft_mdev, ib_port);
&ft_mdev, ib_port,
&esw_owner_vhca_id);
if (ret)
return ERR_PTR(ret);
@ -2033,6 +2040,7 @@ _get_flow_table(struct mlx5_ib_dev *dev, u16 user_priority,
ft_attr.max_fte = max_table_size;
ft_attr.flags = flags;
ft_attr.vport = vport;
ft_attr.esw_owner_vhca_id = esw_owner_vhca_id;
ft_attr.autogroup.max_num_groups = MLX5_FS_MAX_TYPES;
return _get_prio(ns, prio, &ft_attr);
}