From: Dhananjay Phadke <dhananjay@netxen.com>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net
Subject: [PATCH 2/2] netxen: reduce memory footprint
Date: Sat, 24 Jan 2009 20:02:59 -0800 [thread overview]
Message-ID: <1232856179-15153-2-git-send-email-dhananjay@netxen.com> (raw)
In-Reply-To: <1232856179-15153-1-git-send-email-dhananjay@netxen.com>
o reduce rx ring size from 8192 to 4096.
o cut down old huge lro buffers.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
---
drivers/net/netxen/netxen_nic.h | 12 ++++++------
drivers/net/netxen/netxen_nic_ethtool.c | 5 ++++-
2 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index c11c568..a75a310 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -146,7 +146,7 @@
#define MAX_RX_BUFFER_LENGTH 1760
#define MAX_RX_JUMBO_BUFFER_LENGTH 8062
-#define MAX_RX_LRO_BUFFER_LENGTH ((48*1024)-512)
+#define MAX_RX_LRO_BUFFER_LENGTH (8062)
#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2)
#define RX_JUMBO_DMA_MAP_LEN \
(MAX_RX_JUMBO_BUFFER_LENGTH - 2)
@@ -207,11 +207,11 @@
#define MAX_CMD_DESCRIPTORS 4096
#define MAX_RCV_DESCRIPTORS 16384
-#define MAX_CMD_DESCRIPTORS_HOST (MAX_CMD_DESCRIPTORS / 4)
-#define MAX_RCV_DESCRIPTORS_1G (MAX_RCV_DESCRIPTORS / 4)
-#define MAX_RCV_DESCRIPTORS_10G 8192
-#define MAX_JUMBO_RCV_DESCRIPTORS 1024
-#define MAX_LRO_RCV_DESCRIPTORS 64
+#define MAX_CMD_DESCRIPTORS_HOST 1024
+#define MAX_RCV_DESCRIPTORS_1G 2048
+#define MAX_RCV_DESCRIPTORS_10G 4096
+#define MAX_JUMBO_RCV_DESCRIPTORS 512
+#define MAX_LRO_RCV_DESCRIPTORS 8
#define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS
#define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS
#define MAX_RCV_DESC MAX_RCV_DESCRIPTORS
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index c0bd40f..0894a7b 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -561,7 +561,10 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
}
ring->tx_pending = adapter->max_tx_desc_count;
- ring->rx_max_pending = MAX_RCV_DESCRIPTORS;
+ if (adapter->ahw.board_type == NETXEN_NIC_GBE)
+ ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
+ else
+ ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
ring->tx_max_pending = MAX_CMD_DESCRIPTORS_HOST;
ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS;
ring->rx_mini_max_pending = 0;
--
1.6.0.2
next prev parent reply other threads:[~2009-01-25 4:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-25 4:02 [PATCH 1/2] netxen: fix vlan tso/checksum offload Dhananjay Phadke
2009-01-25 4:02 ` Dhananjay Phadke [this message]
2009-01-26 20:35 ` [PATCH 2/2] netxen: reduce memory footprint David Miller
2009-01-26 20:35 ` [PATCH 1/2] netxen: fix vlan tso/checksum offload David Miller
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