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Message-ID: <20201112192424.2742-11-parav@nvidia.com>
Date: Thu, 12 Nov 2020 21:24:20 +0200
From: Parav Pandit <parav@...dia.com>
To: <netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
<gregkh@...uxfoundation.org>
CC: <jiri@...dia.com>, <jgg@...dia.com>, <dledford@...hat.com>,
<leonro@...dia.com>, <saeedm@...dia.com>, <kuba@...nel.org>,
<davem@...emloft.net>, Parav Pandit <parav@...dia.com>,
Vu Pham <vuhuong@...dia.com>, Roi Dayan <roid@...dia.com>
Subject: [PATCH net-next 10/13] net/mlx5: E-switch, Add eswitch helpers for SF vport
Add helpers to enable/disable eswitch port, register its devlink port and
load its representor.
Signed-off-by: Vu Pham <vuhuong@...dia.com>
Signed-off-by: Parav Pandit <parav@...dia.com>
Reviewed-by: Roi Dayan <roid@...dia.com>
---
.../mellanox/mlx5/core/esw/devlink_port.c | 41 +++++++++++++++++++
.../net/ethernet/mellanox/mlx5/core/eswitch.c | 10 +++++
.../net/ethernet/mellanox/mlx5/core/eswitch.h | 15 +++++++
.../mellanox/mlx5/core/eswitch_offloads.c | 36 +++++++++++++++-
4 files changed, 100 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
index 88688b84513b..f361a896c278 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
@@ -122,3 +122,44 @@ struct devlink_port *mlx5_esw_offloads_devlink_port(struct mlx5_eswitch *esw, u1
vport = mlx5_eswitch_get_vport(esw, vport_num);
return IS_ERR(vport) ? ERR_CAST(vport) : vport->dl_port;
}
+
+int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port,
+ u16 vport_num, u32 sfnum)
+{
+ struct mlx5_core_dev *dev = esw->dev;
+ struct netdev_phys_item_id ppid = {};
+ unsigned int dl_port_index;
+ struct mlx5_vport *vport;
+ struct devlink *devlink;
+ u16 pfnum;
+ int err;
+
+ vport = mlx5_eswitch_get_vport(esw, vport_num);
+ if (IS_ERR(vport))
+ return PTR_ERR(vport);
+
+ pfnum = PCI_FUNC(dev->pdev->devfn);
+ mlx5_esw_get_port_parent_id(dev, &ppid);
+ memcpy(dl_port->attrs.switch_id.id, &ppid.id[0], ppid.id_len);
+ dl_port->attrs.switch_id.id_len = ppid.id_len;
+ devlink_port_attrs_pci_sf_set(dl_port, 0, pfnum, sfnum, false);
+ devlink = priv_to_devlink(dev);
+ dl_port_index = mlx5_esw_vport_to_devlink_port_index(dev, vport_num);
+ err = devlink_port_register(devlink, dl_port, dl_port_index);
+ if (err)
+ return err;
+
+ vport->dl_port = dl_port;
+ return 0;
+}
+
+void mlx5_esw_devlink_sf_port_unregister(struct mlx5_eswitch *esw, u16 vport_num)
+{
+ struct mlx5_vport *vport;
+
+ vport = mlx5_eswitch_get_vport(esw, vport_num);
+ if (IS_ERR(vport))
+ return;
+ devlink_port_unregister(vport->dl_port);
+ vport->dl_port = NULL;
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 5b90f126b7f3..d72766b78bd7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1342,6 +1342,16 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, u16 vport_num)
mutex_unlock(&esw->state_lock);
}
+int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num)
+{
+ return esw_enable_vport(esw, vport_num, MLX5_VPORT_UC_ADDR_CHANGE);
+}
+
+void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num)
+{
+ esw_disable_vport(esw, vport_num);
+}
+
static int eswitch_vport_event(struct notifier_block *nb,
unsigned long type, void *data)
{
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index 2165bc065196..3a373f314a6b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -711,6 +711,9 @@ esw_get_max_restore_tag(struct mlx5_eswitch *esw);
int esw_offloads_load_rep(struct mlx5_eswitch *esw, u16 vport_num);
void esw_offloads_unload_rep(struct mlx5_eswitch *esw, u16 vport_num);
+int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num);
+void mlx5_esw_offloads_rep_unload(struct mlx5_eswitch *esw, u16 vport_num);
+
int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num,
enum mlx5_eswitch_vport_event enabled_events);
void mlx5_eswitch_unload_vport(struct mlx5_eswitch *esw, u16 vport_num);
@@ -722,6 +725,18 @@ void mlx5_eswitch_unload_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs);
int mlx5_esw_offloads_devlink_port_register(struct mlx5_eswitch *esw, u16 vport_num);
void mlx5_esw_offloads_devlink_port_unregister(struct mlx5_eswitch *esw, u16 vport_num);
struct devlink_port *mlx5_esw_offloads_devlink_port(struct mlx5_eswitch *esw, u16 vport_num);
+
+int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port,
+ u16 vport_num, u32 sfnum);
+void mlx5_esw_devlink_sf_port_unregister(struct mlx5_eswitch *esw, u16 vport_num);
+
+int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num);
+void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num);
+
+int mlx5_esw_offloads_sf_vport_enable(struct mlx5_eswitch *esw, struct devlink_port *dl_port,
+ u16 vport_num, u32 sfnum);
+void mlx5_esw_offloads_sf_vport_disable(struct mlx5_eswitch *esw, u16 vport_num);
+
#else /* CONFIG_MLX5_ESWITCH */
/* eswitch API stubs */
static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 01242afbfcce..14f73c202adf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1834,7 +1834,7 @@ static void __unload_reps_all_vport(struct mlx5_eswitch *esw, u8 rep_type)
__esw_offloads_unload_rep(esw, rep, rep_type);
}
-static int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num)
+int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num)
{
struct mlx5_eswitch_rep *rep;
int rep_type;
@@ -1858,7 +1858,7 @@ static int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num)
return err;
}
-static void mlx5_esw_offloads_rep_unload(struct mlx5_eswitch *esw, u16 vport_num)
+void mlx5_esw_offloads_rep_unload(struct mlx5_eswitch *esw, u16 vport_num)
{
struct mlx5_eswitch_rep *rep;
int rep_type;
@@ -2842,3 +2842,35 @@ u32 mlx5_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
return vport->metadata << (32 - ESW_SOURCE_PORT_METADATA_BITS);
}
EXPORT_SYMBOL(mlx5_eswitch_get_vport_metadata_for_match);
+
+int mlx5_esw_offloads_sf_vport_enable(struct mlx5_eswitch *esw, struct devlink_port *dl_port,
+ u16 vport_num, u32 sfnum)
+{
+ int err;
+
+ err = mlx5_esw_vport_enable(esw, vport_num);
+ if (err)
+ return err;
+
+ err = mlx5_esw_devlink_sf_port_register(esw, dl_port, vport_num, sfnum);
+ if (err)
+ goto devlink_err;
+
+ err = mlx5_esw_offloads_rep_load(esw, vport_num);
+ if (err)
+ goto rep_err;
+ return 0;
+
+rep_err:
+ mlx5_esw_devlink_sf_port_unregister(esw, vport_num);
+devlink_err:
+ mlx5_esw_vport_disable(esw, vport_num);
+ return err;
+}
+
+void mlx5_esw_offloads_sf_vport_disable(struct mlx5_eswitch *esw, u16 vport_num)
+{
+ mlx5_esw_offloads_rep_unload(esw, vport_num);
+ mlx5_esw_devlink_sf_port_unregister(esw, vport_num);
+ mlx5_esw_vport_disable(esw, vport_num);
+}
--
2.26.2
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