netdev - [net-next 05/15] net/mlx5e: Add offload stats ndos to nic netdev ops

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Message-Id: <20210316235112.72626-6-saeed@kernel.org>
Date:   Tue, 16 Mar 2021 16:51:02 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Jiri Pirko <jiri@...dia.com>,
        Roi Dayan <roid@...dia.com>, Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 05/15] net/mlx5e: Add offload stats ndos to nic netdev ops

From: Roi Dayan <roid@...dia.com>

We will re-use the native NIC port net device instance for the Uplink
representor, hence same ndos must be used.

Signed-off-by: Roi Dayan <roid@...dia.com>
Reviewed-by: Saeed Mahameed <saeedm@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../net/ethernet/mellanox/mlx5/core/en_main.c | 25 +++++++++++++++++++
 .../net/ethernet/mellanox/mlx5/core/en_rep.c  |  6 ++---
 .../net/ethernet/mellanox/mlx5/core/en_rep.h  |  9 +++++++
 3 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index efd1a23ce7a0..39de3156877c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4452,6 +4452,29 @@ int mlx5e_get_vf_stats(struct net_device *dev,
 	return mlx5_eswitch_get_vport_stats(mdev->priv.eswitch, vf + 1,
 					    vf_stats);
 }
+
+static bool
+mlx5e_has_offload_stats(const struct net_device *dev, int attr_id)
+{
+	struct mlx5e_priv *priv = netdev_priv(dev);
+
+	if (!mlx5e_is_uplink_rep(priv))
+		return false;
+
+	return mlx5e_rep_has_offload_stats(dev, attr_id);
+}
+
+static int
+mlx5e_get_offload_stats(int attr_id, const struct net_device *dev,
+			void *sp)
+{
+	struct mlx5e_priv *priv = netdev_priv(dev);
+
+	if (!mlx5e_is_uplink_rep(priv))
+		return -EOPNOTSUPP;
+
+	return mlx5e_rep_get_offload_stats(attr_id, dev, sp);
+}
 #endif
 
 static bool mlx5e_tunnel_proto_supported_tx(struct mlx5_core_dev *mdev, u8 proto_type)
@@ -4808,6 +4831,8 @@ const struct net_device_ops mlx5e_netdev_ops = {
 	.ndo_get_vf_config       = mlx5e_get_vf_config,
 	.ndo_set_vf_link_state   = mlx5e_set_vf_link_state,
 	.ndo_get_vf_stats        = mlx5e_get_vf_stats,
+	.ndo_has_offload_stats   = mlx5e_has_offload_stats,
+	.ndo_get_offload_stats   = mlx5e_get_offload_stats,
 #endif
 	.ndo_get_devlink_port    = mlx5e_get_devlink_port,
 };
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 9156978c900d..b83652ed35cc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -522,7 +522,7 @@ bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
 	return (rep->vport == MLX5_VPORT_UPLINK);
 }
 
-static bool mlx5e_rep_has_offload_stats(const struct net_device *dev, int attr_id)
+bool mlx5e_rep_has_offload_stats(const struct net_device *dev, int attr_id)
 {
 	switch (attr_id) {
 	case IFLA_OFFLOAD_XSTATS_CPU_HIT:
@@ -542,8 +542,8 @@ mlx5e_get_sw_stats64(const struct net_device *dev,
 	return 0;
 }
 
-static int mlx5e_rep_get_offload_stats(int attr_id, const struct net_device *dev,
-				       void *sp)
+int mlx5e_rep_get_offload_stats(int attr_id, const struct net_device *dev,
+				void *sp)
 {
 	switch (attr_id) {
 	case IFLA_OFFLOAD_XSTATS_CPU_HIT:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h
index d1696404cca9..931fa619cb01 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h
@@ -220,6 +220,10 @@ void mlx5e_rep_bond_unslave(struct mlx5_eswitch *esw,
 			    const struct net_device *lag_dev);
 int mlx5e_rep_bond_update(struct mlx5e_priv *priv, bool cleanup);
 
+bool mlx5e_rep_has_offload_stats(const struct net_device *dev, int attr_id);
+int mlx5e_rep_get_offload_stats(int attr_id, const struct net_device *dev,
+				void *sp);
+
 bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv);
 int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv);
 void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv);
@@ -240,6 +244,11 @@ static inline int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv) { return 0; }
 static inline void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv) {}
 static inline int mlx5e_rep_init(void) { return 0; };
 static inline void mlx5e_rep_cleanup(void) {};
+static inline bool mlx5e_rep_has_offload_stats(const struct net_device *dev,
+					       int attr_id) { return false; }
+static inline int mlx5e_rep_get_offload_stats(int attr_id,
+					      const struct net_device *dev,
+					      void *sp) { return -EOPNOTSUPP; }
 #endif
 
 static inline bool mlx5e_is_vport_rep(struct mlx5e_priv *priv)
-- 
2.30.2