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authorDhananjay Phadke <dhananjay@netxen.com>2009-01-26 12:35:19 -0800
committerDavid S. Miller <davem@davemloft.net>2009-01-26 12:35:19 -0800
commit32ec803348b4d5f1353e1d7feae30880b8b3e342 (patch)
tree75eaa48e774ce2807ca78480f2b2763c338aa7fc /drivers/net
parentcdff1036492ac97b4213aeab2546914a633a7de7 (diff)
netxen: reduce memory footprint
o reduce rx ring size from 8192 to 4096. o cut down old huge lro buffers. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/netxen/netxen_nic.h12
-rw-r--r--drivers/net/netxen/netxen_nic_ethtool.c5
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index c11c568fd7d..a75a31005fd 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 c0bd40fcf70..0894a7be022 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;