diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 7618c51351ca..c6a14202c62c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -4038,6 +4038,107 @@ mlx5_devlink_port_fn_get_vport(struct devlink_port *port, struct mlx5_eswitch *e return mlx5_eswitch_get_vport(esw, vport_num); } +int mlx5_devlink_port_fn_migratable_get(struct devlink_port *port, bool *is_enabled, + struct netlink_ext_ack *extack) +{ + struct mlx5_eswitch *esw; + struct mlx5_vport *vport; + int err = -EOPNOTSUPP; + + esw = mlx5_devlink_eswitch_get(port->devlink); + if (IS_ERR(esw)) + return PTR_ERR(esw); + + if (!MLX5_CAP_GEN(esw->dev, migration)) { + NL_SET_ERR_MSG_MOD(extack, "Device doesn't support migration"); + return err; + } + + vport = mlx5_devlink_port_fn_get_vport(port, esw); + if (IS_ERR(vport)) { + NL_SET_ERR_MSG_MOD(extack, "Invalid port"); + return PTR_ERR(vport); + } + + mutex_lock(&esw->state_lock); + if (vport->enabled) { + *is_enabled = vport->info.mig_enabled; + err = 0; + } + mutex_unlock(&esw->state_lock); + return err; +} + +int mlx5_devlink_port_fn_migratable_set(struct devlink_port *port, bool enable, + struct netlink_ext_ack *extack) +{ + int query_out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); + struct mlx5_eswitch *esw; + struct mlx5_vport *vport; + void *query_ctx; + void *hca_caps; + int err = -EOPNOTSUPP; + + esw = mlx5_devlink_eswitch_get(port->devlink); + if (IS_ERR(esw)) + return PTR_ERR(esw); + + if (!MLX5_CAP_GEN(esw->dev, migration)) { + NL_SET_ERR_MSG_MOD(extack, "Device doesn't support migration"); + return err; + } + + vport = mlx5_devlink_port_fn_get_vport(port, esw); + if (IS_ERR(vport)) { + NL_SET_ERR_MSG_MOD(extack, "Invalid port"); + return PTR_ERR(vport); + } + + mutex_lock(&esw->state_lock); + if (!vport->enabled) { + NL_SET_ERR_MSG_MOD(extack, "Eswitch vport is disabled"); + goto out; + } + + if (vport->info.mig_enabled == enable) { + err = 0; + goto out; + } + + query_ctx = kzalloc(query_out_sz, GFP_KERNEL); + if (!query_ctx) { + err = -ENOMEM; + goto out; + } + + err = mlx5_vport_get_other_func_cap(esw->dev, vport->vport, query_ctx, + MLX5_CAP_GENERAL_2); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Failed getting HCA caps"); + goto out_free; + } + + hca_caps = MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability); + memcpy(hca_caps, MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability), + MLX5_UN_SZ_BYTES(hca_cap_union)); + MLX5_SET(cmd_hca_cap_2, hca_caps, migratable, 1); + + err = mlx5_vport_set_other_func_cap(esw->dev, hca_caps, vport->vport, + MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE2); + if (err) { + NL_SET_ERR_MSG_MOD(extack, "Failed setting HCA migratable cap"); + goto out_free; + } + + vport->info.mig_enabled = enable; + +out_free: + kfree(query_ctx); +out: + mutex_unlock(&esw->state_lock); + return err; +} + int mlx5_devlink_port_fn_roce_get(struct devlink_port *port, bool *is_enabled, struct netlink_ext_ack *extack) { |