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-rw-r--r--include/linux/ptp_classify.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h
index 9afd34a2d36c..fefa7790dc46 100644
--- a/include/linux/ptp_classify.h
+++ b/include/linux/ptp_classify.h
@@ -126,6 +126,17 @@ static inline u8 ptp_get_msgtype(const struct ptp_header *hdr,
return msgtype;
}
+/**
+ * ptp_msg_is_sync - Evaluates whether the given skb is a PTP Sync message
+ * @skb: packet buffer
+ * @type: type of the packet (see ptp_classify_raw())
+ *
+ * This function evaluates whether the given skb is a PTP Sync message.
+ *
+ * Return: true if sync message, false otherwise
+ */
+bool ptp_msg_is_sync(struct sk_buff *skb, unsigned int type);
+
void __init ptp_classifier_init(void);
#else
static inline void ptp_classifier_init(void)
@@ -148,5 +159,9 @@ static inline u8 ptp_get_msgtype(const struct ptp_header *hdr,
*/
return PTP_MSGTYPE_SYNC;
}
+static inline bool ptp_msg_is_sync(struct sk_buff *skb, unsigned int type)
+{
+ return false;
+}
#endif
#endif /* _PTP_CLASSIFY_H_ */