diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h index ab935cce952b..c96668bd701c 100644 --- 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); |