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-rw-r--r--include/linux/skbuff.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index a1b0400c8d8..f5aa87e1e0c 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1933,6 +1933,36 @@ static inline ktime_t net_invalid_timestamp(void)
return ktime_set(0, 0);
}
+extern void skb_timestamping_init(void);
+
+#ifdef CONFIG_NETWORK_PHY_TIMESTAMPING
+
+extern void skb_clone_tx_timestamp(struct sk_buff *skb);
+extern bool skb_defer_rx_timestamp(struct sk_buff *skb);
+
+#else /* CONFIG_NETWORK_PHY_TIMESTAMPING */
+
+static inline void skb_clone_tx_timestamp(struct sk_buff *skb)
+{
+}
+
+static inline bool skb_defer_rx_timestamp(struct sk_buff *skb)
+{
+ return false;
+}
+
+#endif /* !CONFIG_NETWORK_PHY_TIMESTAMPING */
+
+/**
+ * skb_complete_tx_timestamp() - deliver cloned skb with tx timestamps
+ *
+ * @skb: clone of the the original outgoing packet
+ * @hwtstamps: hardware time stamps
+ *
+ */
+void skb_complete_tx_timestamp(struct sk_buff *skb,
+ struct skb_shared_hwtstamps *hwtstamps);
+
/**
* skb_tstamp_tx - queue clone of skb with send time stamps
* @orig_skb: the original outgoing packet
@@ -1965,6 +1995,7 @@ static inline void sw_tx_timestamp(struct sk_buff *skb)
*/
static inline void skb_tx_timestamp(struct sk_buff *skb)
{
+ skb_clone_tx_timestamp(skb);
sw_tx_timestamp(skb);
}