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authorDhananjay Phadke <dhananjay@netxen.com>2009-07-27 11:08:00 -0700
committerDavid S. Miller <davem@davemloft.net>2009-07-27 11:15:24 -0700
commit24767ab16913bc27ba7a85698e5c0f591368647d (patch)
tree5d4bd3dd498a8f9b54dd6da4b81c1492ac2b3ef5 /drivers
parent1bcfd790c49341fcbdce9526a007c4e2b9d54c7c (diff)
netxen: Add default and limit macros for ring sizes.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/netxen/netxen_nic.h19
-rw-r--r--drivers/net/netxen/netxen_nic_ethtool.c21
-rw-r--r--drivers/net/netxen/netxen_nic_main.c33
3 files changed, 41 insertions, 32 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 3a4cbd5dcbd9..e017827472ac 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -200,13 +200,20 @@
#define RCV_RING_JUMBO 1
#define RCV_RING_LRO 2
-#define MAX_CMD_DESCRIPTORS 4096
-#define MAX_RCV_DESCRIPTORS 16384
-#define MAX_CMD_DESCRIPTORS_HOST 1024
-#define MAX_RCV_DESCRIPTORS_1G 2048
-#define MAX_RCV_DESCRIPTORS_10G 4096
-#define MAX_JUMBO_RCV_DESCRIPTORS 1024
+#define MIN_CMD_DESCRIPTORS 64
+#define MIN_RCV_DESCRIPTORS 64
+#define MIN_JUMBO_DESCRIPTORS 32
+
+#define MAX_CMD_DESCRIPTORS 1024
+#define MAX_RCV_DESCRIPTORS_1G 4096
+#define MAX_RCV_DESCRIPTORS_10G 8192
+#define MAX_JUMBO_RCV_DESCRIPTORS_1G 512
+#define MAX_JUMBO_RCV_DESCRIPTORS_10G 1024
#define MAX_LRO_RCV_DESCRIPTORS 8
+
+#define DEFAULT_RCV_DESCRIPTORS_1G 2048
+#define DEFAULT_RCV_DESCRIPTORS_10G 4096
+
#define NETXEN_CTX_SIGNATURE 0xdee0
#define NETXEN_CTX_SIGNATURE_V2 0x0002dee0
#define NETXEN_CTX_RESET 0xbad0
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index e16ea46c24b8..80d286db8eb4 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -494,20 +494,21 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
{
struct netxen_adapter *adapter = netdev_priv(dev);
- ring->rx_pending = 0;
- ring->rx_jumbo_pending = 0;
- ring->rx_pending += adapter->recv_ctx.
- rds_rings[RCV_RING_NORMAL].num_desc;
- ring->rx_jumbo_pending += adapter->recv_ctx.
- rds_rings[RCV_RING_JUMBO].num_desc;
+ ring->rx_pending = adapter->num_rxd;
+ ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
+ ring->rx_jumbo_pending += adapter->num_lro_rxd;
ring->tx_pending = adapter->num_txd;
- if (adapter->ahw.port_type == NETXEN_NIC_GBE)
+ if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
- else
+ ring->rx_jumbo_max_pending = MAX_JUMBO_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_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS_10G;
+ }
+
+ ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
+
ring->rx_mini_max_pending = 0;
ring->rx_mini_pending = 0;
}
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 381bd8f027c0..1aa850a0b895 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -283,12 +283,16 @@ nx_update_dma_mask(struct netxen_adapter *adapter)
return 0;
}
-static void netxen_check_options(struct netxen_adapter *adapter)
+static void
+netxen_check_options(struct netxen_adapter *adapter)
{
- if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
- adapter->num_rxd = MAX_RCV_DESCRIPTORS_10G;
- else if (adapter->ahw.port_type == NETXEN_NIC_GBE)
- adapter->num_rxd = MAX_RCV_DESCRIPTORS_1G;
+ if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
+ adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
+ adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
+ } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
+ adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
+ adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
+ }
adapter->msix_supported = 0;
if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
@@ -306,11 +310,15 @@ static void netxen_check_options(struct netxen_adapter *adapter)
}
}
- adapter->num_txd = MAX_CMD_DESCRIPTORS_HOST;
- adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS;
- adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
+ adapter->num_txd = MAX_CMD_DESCRIPTORS;
- return;
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
+ adapter->max_rds_rings = 3;
+ } else {
+ adapter->num_lro_rxd = 0;
+ adapter->max_rds_rings = 2;
+ }
}
static int
@@ -908,11 +916,6 @@ netxen_nic_attach(struct netxen_adapter *adapter)
return -EIO;
}
- if (adapter->fw_major < 4)
- adapter->max_rds_rings = 3;
- else
- adapter->max_rds_rings = 2;
-
err = netxen_alloc_sw_resources(adapter);
if (err) {
printk(KERN_ERR "%s: Error in setting sw resources\n",
@@ -1923,8 +1926,6 @@ static struct pci_driver netxen_driver = {
#endif
};
-/* Driver Registration on NetXen card */
-
static int __init netxen_init_module(void)
{
printk(KERN_INFO "%s\n", netxen_nic_driver_string);