redonkable/alistair23-linux
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net/mlx5e: TLS, add software statistics

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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>
This commit is contained in:
Boris Pismenny 2018-07-13 14:33:49 +03:00 committed by David S. Miller
parent 00aebab27c
commit afd3baaa93
3 changed files with 17 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
View file

@ -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 = {

4
drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
View file

@ -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 {

11
drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
View file

@ -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 */