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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Jason Gunthorpe <jgg@nvidia.com>
Cc: Leon Romanovsky <leonro@nvidia.com>,
	netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
	David Ahern <dsahern@kernel.org>,
	Jacob Keller <jacob.e.keller@intel.com>,
	Sridhar Samudrala <sridhar.samudrala@intel.com>,
	david.m.ertman@intel.com, dan.j.williams@intel.com,
	kiran.patil@intel.com, gregkh@linuxfoundation.org,
	Parav Pandit <parav@nvidia.com>, Vu Pham <vuhuong@nvidia.com>,
	Roi Dayan <roid@nvidia.com>, Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next v4 10/15] net/mlx5: E-switch, Add eswitch helpers for SF vport
Date: Mon, 14 Dec 2020 13:43:47 -0800	[thread overview]
Message-ID: <20201214214352.198172-11-saeed@kernel.org> (raw)
In-Reply-To: <20201214214352.198172-1-saeed@kernel.org>

From: Parav Pandit <parav@nvidia.com>

Add helpers to enable/disable eswitch port, register its devlink port and
load its representor.

Signed-off-by: Vu Pham <vuhuong@nvidia.com>
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.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


  parent reply	other threads:[~2020-12-14 21:49 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-14 21:43 [net-next v4 00/15] Add mlx5 subfunction support Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 01/15] net/mlx5: Fix compilation warning for 32-bit platform Saeed Mahameed
2020-12-14 22:31   ` Alexander Duyck
2020-12-14 22:45     ` Saeed Mahameed
2020-12-15  4:59     ` Leon Romanovsky
2020-12-14 21:43 ` [net-next v4 02/15] devlink: Prepare code to fill multiple port function attributes Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 03/15] devlink: Introduce PCI SF port flavour and port attribute Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 04/15] devlink: Support add and delete devlink port Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 05/15] devlink: Support get and set state of port function Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 06/15] net/mlx5: Introduce vhca state event notifier Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 07/15] net/mlx5: SF, Add auxiliary device support Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 08/15] net/mlx5: SF, Add auxiliary device driver Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 09/15] net/mlx5: E-switch, Prepare eswitch to handle SF vport Saeed Mahameed
2020-12-14 21:43 ` Saeed Mahameed [this message]
2020-12-14 21:43 ` [net-next v4 11/15] net/mlx5: SF, Add port add delete functionality Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 12/15] net/mlx5: SF, Port function state change support Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 13/15] devlink: Add devlink port documentation Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 14/15] devlink: Extend devlink port documentation for subfunctions Saeed Mahameed
2020-12-14 21:43 ` [net-next v4 15/15] net/mlx5: Add devlink subfunction port documentation Saeed Mahameed
2020-12-15  1:53 ` [net-next v4 00/15] Add mlx5 subfunction support Alexander Duyck
2020-12-15  2:44   ` David Ahern
2020-12-15 16:16     ` Alexander Duyck
2020-12-15 16:59       ` Parav Pandit
2020-12-15  5:48   ` Parav Pandit
2020-12-15 18:47     ` Alexander Duyck
2020-12-15 20:05       ` Saeed Mahameed
2020-12-15 21:03       ` Jason Gunthorpe
2020-12-16  1:12       ` Edwin Peer
2020-12-16  2:39         ` Jason Gunthorpe
2020-12-16  3:12         ` Alexander Duyck
2020-12-15 20:59     ` David Ahern
2020-12-15  6:15   ` Saeed Mahameed
2020-12-15 19:12     ` Alexander Duyck
2020-12-15 20:35       ` Saeed Mahameed
2020-12-15 21:28         ` Jakub Kicinski
2020-12-16  6:50           ` Leon Romanovsky
2020-12-16 17:59             ` Saeed Mahameed
2020-12-15 21:41         ` Alexander Duyck
2020-12-16  0:19           ` Jason Gunthorpe
2020-12-16  2:19             ` Alexander Duyck
2020-12-16  3:03               ` Jason Gunthorpe
2020-12-16  4:13                 ` Alexander Duyck
2020-12-16  4:45                   ` Parav Pandit
2020-12-16 13:33                   ` Jason Gunthorpe
2020-12-16 16:31                     ` Alexander Duyck
2020-12-16 17:51                       ` Jason Gunthorpe
2020-12-16 19:27                         ` Alexander Duyck
2020-12-16 20:35                           ` Jason Gunthorpe
2020-12-16 22:53                             ` Alexander Duyck
2020-12-17  0:38                               ` Jason Gunthorpe
2020-12-17 18:48                                 ` Alexander Duyck
2020-12-17 19:40                                   ` Jason Gunthorpe
2020-12-17 21:05                                     ` Alexander Duyck
2020-12-18  0:08                                       ` Jason Gunthorpe
2020-12-18  1:30                               ` David Ahern
2020-12-18  3:11                                 ` Alexander Duyck
2020-12-18  3:55                                   ` David Ahern
2020-12-18 15:54                                     ` Alexander Duyck
2020-12-18  5:20                                   ` Parav Pandit
2020-12-18  5:36                                     ` Parav Pandit
2020-12-18 16:01                                     ` Alexander Duyck
2020-12-18 18:01                                       ` Parav Pandit
2020-12-18 19:22                                         ` Alexander Duyck
2020-12-18 20:18                                           ` Jason Gunthorpe
2020-12-19  0:03                                             ` Alexander Duyck

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