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>

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index c11c568..a75a310 100644 (file)
--- 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 (file)
--- 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;