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Commit afd3baaa authored by Boris Pismenny's avatar Boris Pismenny Committed by David S. Miller
Browse files

net/mlx5e: TLS, add software statistics 



This patch adds software statistics for TLS to count important
events.

Signed-off-by: default avatarBoris Pismenny <borisp@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 00aebab2

drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c

+3 −0
Original line number Diff line number Diff line
@@ -169,7 +169,10 @@ static void mlx5e_tls_resync_rx(struct net_device *netdev, struct sock *sk, 


	rx_ctx = mlx5e_get_tls_rx_context(tls_ctx);



	netdev_info(netdev, "resyncing seq %d rcd %lld\n", seq,

		    be64_to_cpu(rcd_sn));

	mlx5_accel_tls_resync_rx(priv->mdev, rx_ctx->handle, seq, rcd_sn);

	atomic64_inc(&priv->tls->sw_stats.rx_tls_resync_reply);

}



static const struct tlsdev_ops mlx5e_tls_ops = {

drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h

+4 −0
Original line number Diff line number Diff line
@@ -43,6 +43,10 @@ struct mlx5e_tls_sw_stats { 
	atomic64_t tx_tls_drop_resync_alloc;

	atomic64_t tx_tls_drop_no_sync_data;

	atomic64_t tx_tls_drop_bypass_required;

	atomic64_t rx_tls_drop_resync_request;

	atomic64_t rx_tls_resync_request;

	atomic64_t rx_tls_resync_reply;

	atomic64_t rx_tls_auth_fail;

};



struct mlx5e_tls {

drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c

+10 −1
Original line number Diff line number Diff line
@@ -330,8 +330,12 @@ static int tls_update_resync_sn(struct net_device *netdev, 
						netdev->ifindex, 0);

#endif

	}

	if (!sk || sk->sk_state == TCP_TIME_WAIT)

	if (!sk || sk->sk_state == TCP_TIME_WAIT) {

		struct mlx5e_priv *priv = netdev_priv(netdev);



		atomic64_inc(&priv->tls->sw_stats.rx_tls_drop_resync_request);

		goto out;

	}



	skb->sk = sk;

	skb->destructor = sock_edemux;
@@ -349,6 +353,7 @@ void mlx5e_tls_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb, 
	struct ethhdr *old_eth;

	struct ethhdr *new_eth;

	__be16 *ethtype;

	struct mlx5e_priv *priv;



	/* Detect inline metadata */

	if (skb->len < ETH_HLEN + MLX5E_METADATA_ETHER_LEN)
@@ -365,9 +370,13 @@ void mlx5e_tls_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb, 
		break;

	case SYNDROM_RESYNC_REQUEST:

		tls_update_resync_sn(netdev, skb, mdata);

		priv = netdev_priv(netdev);

		atomic64_inc(&priv->tls->sw_stats.rx_tls_resync_request);

		break;

	case SYNDROM_AUTH_FAILED:

		/* Authentication failure will be observed and verified by kTLS */

		priv = netdev_priv(netdev);

		atomic64_inc(&priv->tls->sw_stats.rx_tls_auth_fail);

		break;

	default:

		/* Bypass the metadata header to others */