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>

2 files changed, 10 insertions, 7 deletions

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index c11c568fd7db..a75a31005fd3 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 c0bd40fcf708..0894a7be0225 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;