netxen: enable tso6, intr coalescing.

[linux-2.6-omap-h63xx.git] / drivers / net / netxen / netxen_nic_ethtool.c

diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 381d55a52162151012f7ba660adb3cc37f387e16..48ee06b6f4e9c3f06cf3b2072ef75d56d9743cfb 100644 (file)
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -752,6 +752,117 @@ static int netxen_nic_set_rx_csum(struct net_device *dev, u32 data)
        return 0;
 }
 
+static u32 netxen_nic_get_tso(struct net_device *dev)
+{
+       struct netxen_adapter *adapter = netdev_priv(dev);
+
+       if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+               return (dev->features & (NETIF_F_TSO | NETIF_F_TSO6)) != 0;
+
+       return (dev->features & NETIF_F_TSO) != 0;
+}
+
+static int netxen_nic_set_tso(struct net_device *dev, u32 data)
+{
+       if (data) {
+               struct netxen_adapter *adapter = netdev_priv(dev);
+
+               dev->features |= NETIF_F_TSO;
+               if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                       dev->features |= NETIF_F_TSO6;
+       } else
+               dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
+
+       return 0;
+}
+
+/*
+ * Set the coalescing parameters. Currently only normal is supported.
+ * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
+ * firmware coalescing to default.
+ */
+static int netxen_set_intr_coalesce(struct net_device *netdev,
+                       struct ethtool_coalesce *ethcoal)
+{
+       struct netxen_adapter *adapter = netdev_priv(netdev);
+
+       if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
+               return -EINVAL;
+
+       if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+               return -EINVAL;
+
+       /*
+       * Return Error if unsupported values or
+       * unsupported parameters are set.
+       */
+       if (ethcoal->rx_coalesce_usecs > 0xffff ||
+               ethcoal->rx_max_coalesced_frames > 0xffff ||
+               ethcoal->tx_coalesce_usecs > 0xffff ||
+               ethcoal->tx_max_coalesced_frames > 0xffff ||
+               ethcoal->rx_coalesce_usecs_irq ||
+               ethcoal->rx_max_coalesced_frames_irq ||
+               ethcoal->tx_coalesce_usecs_irq ||
+               ethcoal->tx_max_coalesced_frames_irq ||
+               ethcoal->stats_block_coalesce_usecs ||
+               ethcoal->use_adaptive_rx_coalesce ||
+               ethcoal->use_adaptive_tx_coalesce ||
+               ethcoal->pkt_rate_low ||
+               ethcoal->rx_coalesce_usecs_low ||
+               ethcoal->rx_max_coalesced_frames_low ||
+               ethcoal->tx_coalesce_usecs_low ||
+               ethcoal->tx_max_coalesced_frames_low ||
+               ethcoal->pkt_rate_high ||
+               ethcoal->rx_coalesce_usecs_high ||
+               ethcoal->rx_max_coalesced_frames_high ||
+               ethcoal->tx_coalesce_usecs_high ||
+               ethcoal->tx_max_coalesced_frames_high)
+               return -EINVAL;
+
+       if (!ethcoal->rx_coalesce_usecs ||
+               !ethcoal->rx_max_coalesced_frames) {
+               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;
+       } else {
+               adapter->coal.flags = 0;
+               adapter->coal.normal.data.rx_time_us =
+               ethcoal->rx_coalesce_usecs;
+               adapter->coal.normal.data.rx_packets =
+               ethcoal->rx_max_coalesced_frames;
+       }
+       adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
+       adapter->coal.normal.data.tx_packets =
+       ethcoal->tx_max_coalesced_frames;
+
+       netxen_config_intr_coalesce(adapter);
+
+       return 0;
+}
+
+static int netxen_get_intr_coalesce(struct net_device *netdev,
+                       struct ethtool_coalesce *ethcoal)
+{
+       struct netxen_adapter *adapter = netdev_priv(netdev);
+
+       if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
+               return -EINVAL;
+
+       if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+               return -EINVAL;
+
+       ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
+       ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
+       ethcoal->rx_max_coalesced_frames =
+               adapter->coal.normal.data.rx_packets;
+       ethcoal->tx_max_coalesced_frames =
+               adapter->coal.normal.data.tx_packets;
+
+       return 0;
+}
+
 struct ethtool_ops netxen_nic_ethtool_ops = {
        .get_settings = netxen_nic_get_settings,
        .set_settings = netxen_nic_set_settings,
@@ -769,11 +880,14 @@ struct ethtool_ops netxen_nic_ethtool_ops = {
        .set_pauseparam = netxen_nic_set_pauseparam,
        .set_tx_csum = ethtool_op_set_tx_csum,
        .set_sg = ethtool_op_set_sg,
-       .set_tso = ethtool_op_set_tso,
+       .get_tso = netxen_nic_get_tso,
+       .set_tso = netxen_nic_set_tso,
        .self_test = netxen_nic_diag_test,
        .get_strings = netxen_nic_get_strings,
        .get_ethtool_stats = netxen_nic_get_ethtool_stats,
        .get_sset_count = netxen_get_sset_count,
        .get_rx_csum = netxen_nic_get_rx_csum,
        .set_rx_csum = netxen_nic_set_rx_csum,
+       .get_coalesce = netxen_get_intr_coalesce,
+       .set_coalesce = netxen_set_intr_coalesce,
 };