Merge remote-tracking branch 'torvalds/master' into perf/core

[linux-2.6-microblaze.git] / drivers / net / ethernet / mellanox / mlx5 / core / en / ptp.h

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
index ab935cc..c96668b 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
@@ -6,6 +6,7 @@
 
 #include "en.h"
 #include "en_stats.h"
+#include <linux/ptp_classify.h>
 
 struct mlx5e_ptpsq {
        struct mlx5e_txqsq       txqsq;
@@ -43,6 +44,27 @@ struct mlx5e_ptp {
        DECLARE_BITMAP(state, MLX5E_PTP_STATE_NUM_STATES);
 };
 
+static inline bool mlx5e_use_ptpsq(struct sk_buff *skb)
+{
+       struct flow_keys fk;
+
+       if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
+               return false;
+
+       if (!skb_flow_dissect_flow_keys(skb, &fk, 0))
+               return false;
+
+       if (fk.basic.n_proto == htons(ETH_P_1588))
+               return true;
+
+       if (fk.basic.n_proto != htons(ETH_P_IP) &&
+           fk.basic.n_proto != htons(ETH_P_IPV6))
+               return false;
+
+       return (fk.basic.ip_proto == IPPROTO_UDP &&
+               fk.ports.dst == htons(PTP_EV_PORT));
+}
+
 int mlx5e_ptp_open(struct mlx5e_priv *priv, struct mlx5e_params *params,
                   u8 lag_port, struct mlx5e_ptp **cp);
 void mlx5e_ptp_close(struct mlx5e_ptp *c);