Commit 32ec8033 authored by Dhananjay Phadke's avatar Dhananjay Phadke Committed by David S. Miller

netxen: reduce memory footprint

o reduce rx ring size from 8192 to 4096.
o cut down old huge lro buffers.
Signed-off-by: default avatarDhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cdff1036
......@@ -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
......
......@@ -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;
......
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