net: ethernet: ti: netcp_ethss: use cpts to check if packet needs timestamping

There is cpts function to check if packet can be timstamped with cpts.
Seems that ptp_classify_raw cover all cases listed with "case".

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 17 deletions

diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 0847a8f48cfe..28cb38af1a34 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -2503,24 +2503,8 @@ static bool gbe_need_txtstamp(struct gbe_intf *gbe_intf,
                               const struct netcp_packet *p_info)
 {
         struct sk_buff *skb = p_info->skb;
-        unsigned int class = ptp_classify_raw(skb);
 
-        if (class == PTP_CLASS_NONE)
-                return false;
-
-        switch (class) {
-        case PTP_CLASS_V1_IPV4:
-        case PTP_CLASS_V1_IPV6:
-        case PTP_CLASS_V2_IPV4:
-        case PTP_CLASS_V2_IPV6:
-        case PTP_CLASS_V2_L2:
-        case (PTP_CLASS_V2_VLAN | PTP_CLASS_L2):
-        case (PTP_CLASS_V2_VLAN | PTP_CLASS_IPV4):
-        case (PTP_CLASS_V2_VLAN | PTP_CLASS_IPV6):
-                return true;
-        }
-
-        return false;
+        return cpts_can_timestamp(gbe_intf->gbe_dev->cpts, skb);
 }
 
 static int gbe_txtstamp_mark_pkt(struct gbe_intf *gbe_intf,