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authorDavid S. Miller <davem@davemloft.net>2011-10-24 18:18:09 -0400
committerDavid S. Miller <davem@davemloft.net>2011-10-24 18:18:09 -0400
commit1805b2f04855f07afe3a71d620a68f483b0ed74f (patch)
treeb823b90f37f5404fcaef70f785c70112ca74a329 /include/linux
parent78d81d15b74246c7cedf84894434890b33da3907 (diff)
parentf42af6c486aa5ca6ee62800cb45c5b252020509d (diff)
Merge branch 'master' of ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/phy.h2
-rw-r--r--include/linux/skbuff.h7
2 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 54fc4138955f..79f337c47388 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -420,7 +420,7 @@ struct phy_driver {
/*
* Requests a Tx timestamp for 'skb'. The phy driver promises
- * to deliver it to the socket's error queue as soon as a
+ * to deliver it using skb_complete_tx_timestamp() as soon as a
* timestamp becomes available. One of the PTP_CLASS_ values
* is passed in 'type'.
*/
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 94a23ffcc073..6a6b352326d7 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2216,8 +2216,13 @@ static inline bool skb_defer_rx_timestamp(struct sk_buff *skb)
/**
* skb_complete_tx_timestamp() - deliver cloned skb with tx timestamps
*
+ * PHY drivers may accept clones of transmitted packets for
+ * timestamping via their phy_driver.txtstamp method. These drivers
+ * must call this function to return the skb back to the stack, with
+ * or without a timestamp.
+ *
* @skb: clone of the the original outgoing packet
- * @hwtstamps: hardware time stamps
+ * @hwtstamps: hardware time stamps, may be NULL if not available
*
*/
void skb_complete_tx_timestamp(struct sk_buff *skb,