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Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 281deced7469..11c270551d25 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -229,7 +229,7 @@ enum {
/* generate hardware time stamp */
SKBTX_HW_TSTAMP = 1 << 0,
- /* generate software time stamp */
+ /* generate software time stamp when queueing packet to NIC */
SKBTX_SW_TSTAMP = 1 << 1,
/* device driver is going to provide hardware time stamp */
@@ -247,8 +247,19 @@ enum {
* all frags to avoid possible bad checksum
*/
SKBTX_SHARED_FRAG = 1 << 5,
+
+ /* generate software time stamp when entering packet scheduling */
+ SKBTX_SCHED_TSTAMP = 1 << 6,
+
+ /* generate software timestamp on peer data acknowledgment */
+ SKBTX_ACK_TSTAMP = 1 << 7,
};
+#define SKBTX_ANY_SW_TSTAMP (SKBTX_SW_TSTAMP | \
+ SKBTX_SCHED_TSTAMP | \
+ SKBTX_ACK_TSTAMP)
+#define SKBTX_ANY_TSTAMP (SKBTX_HW_TSTAMP | SKBTX_ANY_SW_TSTAMP)
+
/*
* The callback notifies userspace to release buffers when skb DMA is done in
* lower device, the skb last reference should be 0 when calling this.
@@ -275,6 +286,7 @@ struct skb_shared_info {
unsigned short gso_type;
struct sk_buff *frag_list;
struct skb_shared_hwtstamps hwtstamps;
+ u32 tskey;
__be32 ip6_frag_id;
/*
@@ -2691,6 +2703,10 @@ static inline bool skb_defer_rx_timestamp(struct sk_buff *skb)
void skb_complete_tx_timestamp(struct sk_buff *skb,
struct skb_shared_hwtstamps *hwtstamps);
+void __skb_tstamp_tx(struct sk_buff *orig_skb,
+ struct skb_shared_hwtstamps *hwtstamps,
+ struct sock *sk, int tstype);
+
/**
* skb_tstamp_tx - queue clone of skb with send time stamps
* @orig_skb: the original outgoing packet