netxen: configure interrupt coalesce defaults

Initialize and configure interrupt coalesing defaults
in the firmware, so that these also reflect in "ethool -c".

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index b3683260a0b6..76bdd5cee438 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -819,6 +819,20 @@ netxen_nic_free_irq(struct netxen_adapter *adapter)
         }
 }
 
+static void
+netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
+{
+        adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
+        adapter->coal.normal.data.rx_time_us =
+                NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
+        adapter->coal.normal.data.rx_packets =
+                NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
+        adapter->coal.normal.data.tx_time_us =
+                NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
+        adapter->coal.normal.data.tx_packets =
+                NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
+}
+
 static int
 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
 {
@@ -841,6 +855,9 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
         if (adapter->max_sds_rings > 1)
                 netxen_config_rss(adapter, 1);
 
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                netxen_config_intr_coalesce(adapter);
+
         netxen_napi_enable(adapter);
 
         if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
@@ -936,6 +953,9 @@ netxen_nic_attach(struct netxen_adapter *adapter)
                 goto err_out_free_rxbuf;
         }
 
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                netxen_nic_init_coalesce_defaults(adapter);
+
         adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
         return 0;