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net/mlx5: Enable devlink port for embedded cpu VF vports

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Enable creation of a devlink port for EC VF vports.

Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Reviewed-by: William Tu <witu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Daniel Jurgens 2023-03-07 19:36:14 +02:00 • committed by Saeed Mahameed
parent 93b36d0f28
commit dc13180824
3 changed files with 33 additions and 1 deletions
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8
drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
View file

@ -18,7 +18,8 @@ static bool mlx5_esw_devlink_port_supported(struct mlx5_eswitch *esw, u16 vport_
{
return vport_num == MLX5_VPORT_UPLINK ||
(mlx5_core_is_ecpf(esw->dev) && vport_num == MLX5_VPORT_PF) ||
mlx5_eswitch_is_vf_vport(esw, vport_num);
mlx5_eswitch_is_vf_vport(esw, vport_num) ||
mlx5_core_is_ec_vf_vport(esw->dev, vport_num);
}
static struct devlink_port *mlx5_esw_dl_port_alloc(struct mlx5_eswitch *esw, u16 vport_num)
@ -56,6 +57,11 @@ static struct devlink_port *mlx5_esw_dl_port_alloc(struct mlx5_eswitch *esw, u16
dl_port->attrs.switch_id.id_len = ppid.id_len;
devlink_port_attrs_pci_vf_set(dl_port, controller_num, pfnum,
vport_num - 1, external);
} else if (mlx5_core_is_ec_vf_vport(esw->dev, vport_num)) {
memcpy(dl_port->attrs.switch_id.id, ppid.id, ppid.id_len);
dl_port->attrs.switch_id.id_len = ppid.id_len;
devlink_port_attrs_pci_vf_set(dl_port, controller_num, pfnum,
vport_num - 1, false);
}
return dl_port;
}

20
drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
View file

@ -343,4 +343,24 @@ bool mlx5_rdma_supported(struct mlx5_core_dev *dev);
bool mlx5_vnet_supported(struct mlx5_core_dev *dev);
bool mlx5_same_hw_devs(struct mlx5_core_dev *dev, struct mlx5_core_dev *peer_dev);
static inline u16 mlx5_core_ec_vf_vport_base(const struct mlx5_core_dev *dev)
{
return MLX5_CAP_GEN_2(dev, ec_vf_vport_base);
}
static inline u16 mlx5_core_ec_sriov_enabled(const struct mlx5_core_dev *dev)
{
return mlx5_core_is_ecpf(dev) && mlx5_core_ec_vf_vport_base(dev);
}
static inline bool mlx5_core_is_ec_vf_vport(const struct mlx5_core_dev *dev, u16 vport_num)
{
int base_vport = mlx5_core_ec_vf_vport_base(dev);
int max_vport = base_vport + mlx5_core_max_ec_vfs(dev);
if (!mlx5_core_ec_sriov_enabled(dev))
return false;
return (vport_num >= base_vport && vport_num < max_vport);
}
#endif /* __MLX5_CORE_H__ */

6
include/linux/mlx5/driver.h
View file

@ -474,6 +474,7 @@ struct mlx5_core_sriov {
struct mlx5_vf_context *vfs_ctx;
int num_vfs;
u16 max_vfs;
u16 max_ec_vfs;
};
struct mlx5_fc_pool {
@ -1244,6 +1245,11 @@ static inline u16 mlx5_core_max_vfs(const struct mlx5_core_dev *dev)
return dev->priv.sriov.max_vfs;
}
static inline u16 mlx5_core_max_ec_vfs(const struct mlx5_core_dev *dev)
{
return dev->priv.sriov.max_ec_vfs;
}
static inline int mlx5_get_gid_table_len(u16 param)
{
if (param > 4) {