netdev - [RFC][PATCH 3/3] net: add SKB

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Message-Id: <1216850464-30000-4-git-send-email-opurdila@ixiacom.com>
Date:	Thu, 24 Jul 2008 01:01:04 +0300
From:	Octavian Purdila <opurdila@...acom.com>
To:	netdev@...r.kernel.org
Cc:	Octavian Purdila <opurdila@...acom.com>
Subject: [RFC][PATCH 3/3] net: add SKB_SOL control messages

SKB_RX_GET_TSTAMP - get hardware timestamp at receive time
SKB_TX_GET_TSTAMP - get hardware timestamp at transmit time
SKB_TX_SCHED - schedule packet to be transmited at hardware timestamp
SKB_TX_EMBED_TSTAMP - embed hardware timestamp into packet at
                    transmit time

Signed-off-by: Octavian Purdila <opurdila@...acom.com>
---
 include/linux/skb_cmsg.h |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
 create mode 100644 include/linux/skb_cmsg.h

diff --git a/include/linux/skb_cmsg.h b/include/linux/skb_cmsg.h
new file mode 100644
index 0000000..c5b8a9b
--- /dev/null
+++ b/include/linux/skb_cmsg.h
@@ -0,0 +1,28 @@
+#ifndef _LINUX_SKB_CMSG_H
+#define _LINUX_SKB_CMSG_H
+
+#define SKB_RX_GET_TSTAMP      1
+#define SKB_TX_GET_TSTAMP      2
+#define SKB_TX_SCHED           3
+#define SKB_TX_EMBED_TSTAMP    4
+
+struct skb_rx_tstamp {
+       __u64 tstamp;
+};
+
+struct skb_tx_tstamp {
+       __u64 tstamp, cookie;
+};
+
+struct skb_tx_sched {
+       __u64 tstamp;
+};
+
+#define SKB_TX_EMBED_TSTAMP_OFFSET_EOP 0x00010000
+
+struct skb_tx_embed_tstamp {
+       __u64 mask;
+       __u32 offset;
+};
+
+#endif
-- 
1.5.6.2

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