netdev - [PATCH v4 03/10] net: Add netdev interfaces for recording sends/comp

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Message-ID: <alpine.DEB.2.00.1111281817340.24344@pokey.mtv.corp.google.com>
Date:	Mon, 28 Nov 2011 18:32:52 -0800 (PST)
From:	Tom Herbert <therbert@...gle.com>
To:	davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH v4 03/10] net: Add netdev interfaces for recording
 sends/comp

Add interfaces for drivers to call for recording number of packets and
bytes at send time and transmit completion.  Also, added 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 |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d19f932..9b24cc7 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1859,6 +1859,34 @@ 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 bytes)
+{
+}
+
+static inline void netdev_sent_queue(struct net_device *dev, unsigned int bytes)
+{
+	netdev_tx_sent_queue(netdev_get_tx_queue(dev, 0), 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)
+{
+	netdev_tx_completed_queue(netdev_get_tx_queue(dev, 0), pkts, bytes);
+}
+
+static inline void netdev_tx_reset_queue(struct netdev_queue *q)
+{
+}
+
+static inline void netdev_reset_queue(struct net_device *dev_queue)
+{
+	netdev_tx_reset_queue(netdev_get_tx_queue(dev_queue, 0));
 }
 
 /**
-- 
1.7.3.1

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