net/mlx5e: TLS, add software statistics

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

Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
index 68368c96529554cb5149a6d583922d9bddfc6da1..541e6f4fe9e735719e8909ff9ebabca4b9de278f 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
@@ -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 = {

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 2d40eded2bbbae6467dd0c65a0f45eb252deeb89..3f5d72163b56103c9c8d8c0b6536330e324d848a 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
@@ -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 {

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
index d460fda68f00dc5016cc36b08ab48cfa4f45ebe5..ecfc764c07121f17633ed8eeecf493aa51de5c63 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
@@ -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 */