netdev - [PATCH 26/52] sfc: Make efx_for_each_channel_rx

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Date:	Mon, 1 Sep 2008 12:47:57 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Jeff Garzik <jgarzik@...ox.com>
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: [PATCH 26/52] sfc: Make efx_for_each_channel_rx_queue() more efficient

Currently each channel can have at most one RX queue, so go straight to
that one.

Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
 drivers/net/sfc/net_driver.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index b5649b1..74e934c 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -853,9 +853,9 @@ struct efx_nic_type {
 
 /* Iterate over all RX queues belonging to a channel */
 #define efx_for_each_channel_rx_queue(_rx_queue, _channel)		\
-	for (_rx_queue = &_channel->efx->rx_queue[0];			\
-	     _rx_queue < &_channel->efx->rx_queue[EFX_MAX_RX_QUEUES];	\
-	     _rx_queue++)						\
+	for (_rx_queue = &_channel->efx->rx_queue[_channel->channel];	\
+	     _rx_queue;							\
+	     _rx_queue = NULL)						\
 		if (_rx_queue->channel != _channel)			\
 			continue;					\
 		else
-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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