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Date: Mon, 14 Dec 2020 13:43:47 -0800
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Jason Gunthorpe <jgg@...dia.com>
Cc: Leon Romanovsky <leonro@...dia.com>, netdev@...r.kernel.org,
linux-rdma@...r.kernel.org, David Ahern <dsahern@...nel.org>,
Jacob Keller <jacob.e.keller@...el.com>,
Sridhar Samudrala <sridhar.samudrala@...el.com>,
david.m.ertman@...el.com, dan.j.williams@...el.com,
kiran.patil@...el.com, gregkh@...uxfoundation.org,
Parav Pandit <parav@...dia.com>, Vu Pham <vuhuong@...dia.com>,
Roi Dayan <roid@...dia.com>, Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next v4 10/15] net/mlx5: E-switch, Add eswitch helpers for SF vport
From: Parav Pandit <parav@...dia.com>
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>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../mellanox/mlx5/core/esw/devlink_port.c | 41 +++++++++++++++++++
.../net/ethernet/mellanox/mlx5/core/eswitch.c | 12 +++---
.../net/ethernet/mellanox/mlx5/core/eswitch.h | 16 ++++++++
.../mellanox/mlx5/core/eswitch_offloads.c | 36 +++++++++++++++-
4 files changed, 97 insertions(+), 8 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 ffff11baa3d0..4b7e9f783789 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 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 d75247a8ce55..d06e7a5f15de 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1273,8 +1273,8 @@ static void esw_vport_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport
esw_vport_cleanup_acl(esw, vport);
}
-static int esw_enable_vport(struct mlx5_eswitch *esw, u16 vport_num,
- enum mlx5_eswitch_vport_event enabled_events)
+int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num,
+ enum mlx5_eswitch_vport_event enabled_events)
{
struct mlx5_vport *vport;
int ret;
@@ -1310,7 +1310,7 @@ static int esw_enable_vport(struct mlx5_eswitch *esw, u16 vport_num,
return ret;
}
-static void esw_disable_vport(struct mlx5_eswitch *esw, u16 vport_num)
+void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num)
{
struct mlx5_vport *vport;
@@ -1432,7 +1432,7 @@ int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num,
{
int err;
- err = esw_enable_vport(esw, vport_num, enabled_events);
+ err = mlx5_esw_vport_enable(esw, vport_num, enabled_events);
if (err)
return err;
@@ -1443,14 +1443,14 @@ int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num,
return err;
err_rep:
- esw_disable_vport(esw, vport_num);
+ mlx5_esw_vport_disable(esw, vport_num);
return err;
}
void mlx5_eswitch_unload_vport(struct mlx5_eswitch *esw, u16 vport_num)
{
esw_offloads_unload_rep(esw, vport_num);
- esw_disable_vport(esw, vport_num);
+ mlx5_esw_vport_disable(esw, vport_num);
}
void mlx5_eswitch_unload_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index 4e3ed878ff03..54514b04808d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -688,6 +688,10 @@ mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw,
enum mlx5_eswitch_vport_event enabled_events);
void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw);
+int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num,
+ enum mlx5_eswitch_vport_event enabled_events);
+void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num);
+
int
esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw,
struct mlx5_vport *vport);
@@ -706,6 +710,9 @@ 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);
@@ -717,6 +724,15 @@ 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_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 2d241f7351b5..7f09f2bbf7c1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1833,7 +1833,7 @@ 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;
@@ -1857,7 +1857,7 @@ 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;
@@ -2835,3 +2835,35 @@ 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, MLX5_VPORT_UC_ADDR_CHANGE);
+ 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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