diff options
Diffstat (limited to 'include/linux/ptp_classify.h')
| -rw-r--r-- | include/linux/ptp_classify.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h index 9afd34a2d36c..2b6ea36ad162 100644 --- a/include/linux/ptp_classify.h +++ b/include/linux/ptp_classify.h @@ -43,6 +43,9 @@ #define OFF_PTP_SOURCE_UUID 22 /* PTPv1 only */ #define OFF_PTP_SEQUENCE_ID 30 +/* PTP header flag fields */ +#define PTP_FLAG_TWOSTEP BIT(1) + /* Below defines should actually be removed at some point in time. */ #define IP6_HLEN 40 #define UDP_HLEN 8 @@ -126,6 +129,17 @@ 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 +162,9 @@ 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_ */ |