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authorBoris Pismenny <borisp@mellanox.com>2018-07-13 14:33:49 +0300
committerDavid S. Miller <davem@davemloft.net>2018-07-16 00:13:11 -0700
commitafd3baaa938ce85dc738cd9279716cdb684cc707 (patch)
treef31ec8e124cc79b0649e5dad3bf10a6bcc59e01f
parent00aebab27c8752c7420dce286270ccedc70ac39a (diff)
downloadlinux-stericsson-afd3baaa938ce85dc738cd9279716cdb684cc707.tar.gz
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>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c11
3 files changed, 17 insertions, 1 deletions
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 68368c965295..541e6f4fe9e7 100644
--- 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 2d40eded2bbb..3f5d72163b56 100644
--- 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 d460fda68f00..ecfc764c0712 100644
--- 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 */