netdev - [net-next 5/6] net/mlx5e: kTLS, Add stats for number of deleted kTLS TX offloaded connections

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Message-Id: <20210626074417.714833-6-saeed@kernel.org>
Date:   Sat, 26 Jun 2021 00:44:16 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Tariq Toukan <tariqt@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 5/6] net/mlx5e: kTLS, Add stats for number of deleted kTLS TX offloaded connections

From: Tariq Toukan <tariqt@...dia.com>

Expose ethtool SW counter for the number of kTLS device-offloaded
TX connections that are finished and deleted.

Signed-off-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c   | 1 +
 drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h       | 1 +
 drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
index 2c0a9344338a..9ad3459fb63a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
@@ -138,6 +138,7 @@ void mlx5e_ktls_del_tx(struct net_device *netdev, struct tls_context *tls_ctx)
 	priv = netdev_priv(netdev);
 	mdev = priv->mdev;
 
+	atomic64_inc(&priv_tx->sw_stats->tx_tls_del);
 	mlx5e_destroy_tis(mdev, priv_tx->tisn);
 	mlx5_ktls_destroy_key(mdev, priv_tx->key_id);
 	kfree(priv_tx);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
index 3fd6fd69bbd0..62ecf14bf86a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
@@ -42,6 +42,7 @@
 
 struct mlx5e_tls_sw_stats {
 	atomic64_t tx_tls_ctx;
+	atomic64_t tx_tls_del;
 	atomic64_t tx_tls_drop_metadata;
 	atomic64_t tx_tls_drop_resync_alloc;
 	atomic64_t tx_tls_drop_no_sync_data;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c
index ffc84f9b41b0..56e7b2aee85f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c
@@ -47,6 +47,7 @@ static const struct counter_desc mlx5e_tls_sw_stats_desc[] = {
 
 static const struct counter_desc mlx5e_ktls_sw_stats_desc[] = {
 	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_ctx) },
+	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_del) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, rx_tls_ctx) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, rx_tls_del) },
 };
-- 
2.31.1