net/mlx5: E-Switch, Introduce Vport administration functions

Implement set VF mac/link state and query VF config
to be used later in nedev VF ndos or any other management API.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 6fa6f01..d7d6eba 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1022,3 +1022,64 @@ void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe)
                queue_work(esw->work_queue, &vport->vport_change_handler);
        spin_unlock(&vport->lock);
 }
+
+/* Vport Administration */
+#define ESW_ALLOWED(esw) \
+       (esw && MLX5_CAP_GEN(esw->dev, vport_group_manager) && mlx5_core_is_pf(esw->dev))
+#define LEGAL_VPORT(esw, vport) (vport >= 0 && vport < esw->total_vports)
+
+int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
+                              int vport, u8 mac[ETH_ALEN])
+{
+       int err = 0;
+
+       if (!ESW_ALLOWED(esw))
+               return -EPERM;
+       if (!LEGAL_VPORT(esw, vport))
+               return -EINVAL;
+
+       err = mlx5_modify_nic_vport_mac_address(esw->dev, vport, mac);
+       if (err) {
+               mlx5_core_warn(esw->dev,
+                              "Failed to mlx5_modify_nic_vport_mac vport(%d) err=(%d)\n",
+                              vport, err);
+               return err;
+       }
+
+       return err;
+}
+
+int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
+                                int vport, int link_state)
+{
+       if (!ESW_ALLOWED(esw))
+               return -EPERM;
+       if (!LEGAL_VPORT(esw, vport))
+               return -EINVAL;
+
+       return mlx5_modify_vport_admin_state(esw->dev,
+                                            MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT,
+                                            vport, link_state);
+}
+
+int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
+                                 int vport, struct ifla_vf_info *ivi)
+{
+       if (!ESW_ALLOWED(esw))
+               return -EPERM;
+       if (!LEGAL_VPORT(esw, vport))
+               return -EINVAL;
+
+       memset(ivi, 0, sizeof(*ivi));
+       ivi->vf = vport - 1;
+
+       mlx5_query_nic_vport_mac_address(esw->dev, vport, ivi->mac);
+       ivi->linkstate = mlx5_query_vport_admin_state(esw->dev,
+                                                     MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT,
+                                                     vport);
+       ivi->vlan = 0;
+       ivi->qos = 0;
+       ivi->spoofchk = 0;
+
+       return 0;
+}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index f222e33..43a6730 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -33,6 +33,8 @@
 #ifndef __MLX5_ESWITCH_H__
 #define __MLX5_ESWITCH_H__
 
+#include <linux/if_ether.h>
+#include <linux/if_link.h>
 #include <linux/mlx5/device.h>
 
 #define MLX5_MAX_UC_PER_VPORT(dev) \
@@ -143,5 +145,11 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw);
 void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe);
 int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs);
 void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw);
+int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
+                              int vport, u8 mac[ETH_ALEN]);
+int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
+                                int vport, int link_state);
+int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
+                                 int vport, struct ifla_vf_info *ivi);
 
 #endif /* __MLX5_ESWITCH_H__ */