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>
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@ -146,7 +146,7 @@
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#define MAX_RX_BUFFER_LENGTH 1760
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#define MAX_RX_JUMBO_BUFFER_LENGTH 8062
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#define MAX_RX_LRO_BUFFER_LENGTH ((48*1024)-512)
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#define MAX_RX_LRO_BUFFER_LENGTH (8062)
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#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2)
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#define RX_JUMBO_DMA_MAP_LEN \
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(MAX_RX_JUMBO_BUFFER_LENGTH - 2)
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@ -207,11 +207,11 @@
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#define MAX_CMD_DESCRIPTORS 4096
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#define MAX_RCV_DESCRIPTORS 16384
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#define MAX_CMD_DESCRIPTORS_HOST (MAX_CMD_DESCRIPTORS / 4)
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#define MAX_RCV_DESCRIPTORS_1G (MAX_RCV_DESCRIPTORS / 4)
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#define MAX_RCV_DESCRIPTORS_10G 8192
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#define MAX_JUMBO_RCV_DESCRIPTORS 1024
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#define MAX_LRO_RCV_DESCRIPTORS 64
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#define MAX_CMD_DESCRIPTORS_HOST 1024
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#define MAX_RCV_DESCRIPTORS_1G 2048
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#define MAX_RCV_DESCRIPTORS_10G 4096
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#define MAX_JUMBO_RCV_DESCRIPTORS 512
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#define MAX_LRO_RCV_DESCRIPTORS 8
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#define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS
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#define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS
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#define MAX_RCV_DESC MAX_RCV_DESCRIPTORS
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@ -561,7 +561,10 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
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}
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ring->tx_pending = adapter->max_tx_desc_count;
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ring->rx_max_pending = MAX_RCV_DESCRIPTORS;
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if (adapter->ahw.board_type == NETXEN_NIC_GBE)
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ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
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else
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ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G;
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ring->tx_max_pending = MAX_CMD_DESCRIPTORS_HOST;
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ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS;
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ring->rx_mini_max_pending = 0;
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