From cd1f8160e015cd1538701b7de216cbeaefc6b0a8 Mon Sep 17 00:00:00 2001 From: Dhananjay Phadke Date: Mon, 21 Jul 2008 19:44:09 -0700 Subject: netxen: enable tso6, intr coalescing. Enable tso6 and ipv6 checksum, interrupt coalescing for NX3031. Signed-off-by: Dhananjay Phadke Signed-off-by: Jeff Garzik --- drivers/net/netxen/netxen_nic_ethtool.c | 116 +++++++++++++++++++++++++++++++- 1 file changed, 115 insertions(+), 1 deletion(-) (limited to '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 381d55a5216..48ee06b6f4e 100644 --- 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, }; -- cgit v1.2.3-70-g09d2