netdev - [RFC PATCH v2 3/9] net: Add netdev interfaces for recording sends and completions

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Date:	Sun, 7 Aug 2011 21:48:01 -0700 (PDT)
From:	Tom Herbert <therbert@...gle.com>
To:	davem@...emloft.net, netdev@...r.kernel.org
Subject: [RFC PATCH v2 3/9] net: Add netdev interfaces for recording sends
 and completions

Add interfaces for driver to call for recording number of packets and
bytes at send time an transmit completion.  Also, a function to "reset"
a queue.  These will be used by Byte Queue Limits.

Signed-off-by: Tom Herbert <therbert@...gle.com>
---
 include/linux/netdevice.h |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4115b4d..74e8862 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1910,6 +1910,32 @@ static inline int netif_xmit_frozen_or_stopped(const struct netdev_queue *dev_qu
 	return dev_queue->state & QUEUE_STATE_ANY_XOFF_OR_FROZEN;
 }
 
+static inline void netdev_tx_sent_queue(struct netdev_queue *dev_queue,
+					unsigned int pkts, unsigned int bytes)
+{
+}
+
+static inline void netdev_sent_queue(struct net_device *dev,
+				     unsigned int pkts, unsigned int bytes)
+{
+}
+
+static inline void netdev_tx_completed_queue(struct netdev_queue *dev_queue,
+					     unsigned pkts, unsigned bytes)
+{
+}
+
+static inline void netdev_completed_queue(struct net_device *dev,
+					  unsigned pkts, unsigned bytes)
+{
+}
+
+static inline void netdev_tx_reset_queue(struct netdev_queue *q)
+{
+}
+
+static inline void netdev_reset_queue(struct net_device *dev_queue)
+{
 }
 
 /**
-- 
1.7.3.1

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