Add NetXen 1G/10G ethernet driver.

Signed-off-by: Amit S. Kale <amitkale@netxen.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 800 insertions, 0 deletions

diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c
new file mode 100644
index 000000000000..6e421c876fe5
--- /dev/null
+++ b/drivers/net/netxen/netxen_nic_niu.c
@@ -0,0 +1,800 @@
+/*
+ * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * All rights reserved.
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *                            
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *                                   
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.
+ * 
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ *
+ *
+ * Provides access to the Network Interface Unit h/w block.
+ *
+ */
+
+#include "netxen_nic.h"
+#include <linux/delay.h>
+
+/* 
+ * netxen_niu_gbe_phy_read - read a register from the GbE PHY via
+ * mii management interface.
+ *
+ * Note: The MII management interface goes through port 0.
+ *       Individual phys are addressed as follows:
+ * @param phy  [15:8]  phy id
+ * @param reg  [7:0]   register number
+ *
+ * @returns  0 on success
+ *          -1 on error
+ *
+ */
+int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy,
+                            long reg, __le32 * readval)
+{
+        long timeout = 0;
+        long result = 0;
+        long restore = 0;
+        __le32 address;
+        __le32 command;
+        __le32 status;
+        __le32 mii_cfg;
+        __le32 mac_cfg0;
+
+        /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */
+        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+                                  &mac_cfg0, 4))
+                return -EIO;
+        if (netxen_gb_get_soft_reset(mac_cfg0)) {
+                __le32 temp;
+                temp = 0;
+                netxen_gb_tx_reset_pb(temp);
+                netxen_gb_rx_reset_pb(temp);
+                netxen_gb_tx_reset_mac(temp);
+                netxen_gb_rx_reset_mac(temp);
+                if (netxen_nic_hw_write_wx(adapter,
+                                           NETXEN_NIU_GB_MAC_CONFIG_0(0),
+                                           &temp, 4))
+                        return -EIO;
+                restore = 1;
+        }
+
+        /* reset MII management interface */
+        mii_cfg = 0;
+        netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7);
+        netxen_gb_mii_mgmt_reset(mii_cfg);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
+                                   &mii_cfg, 4))
+                return -EIO;
+        netxen_gb_mii_mgmt_unset(mii_cfg);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0),
+                                   &mii_cfg, 4))
+                return -EIO;
+
+        address = 0;
+        netxen_gb_mii_mgmt_reg_addr(address, reg);
+        netxen_gb_mii_mgmt_phy_addr(address, phy);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+                                   &address, 4))
+                return -EIO;
+        command = 0;            /* turn off any prior activity */
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+                                   &command, 4))
+                return -EIO;
+        /* send read command */
+        netxen_gb_mii_mgmt_set_read_cycle(command);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+                                   &command, 4))
+                return -EIO;
+
+        status = 0;
+        do {
+                if (netxen_nic_hw_read_wx(adapter,
+                                          NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
+                                          &status, 4))
+                        return -EIO;
+                timeout++;
+        } while ((netxen_get_gb_mii_mgmt_busy(status)
+                  || netxen_get_gb_mii_mgmt_notvalid(status))
+                 && (timeout++ < NETXEN_NIU_PHY_WAITMAX));
+
+        if (timeout < NETXEN_NIU_PHY_WAITMAX) {
+                if (netxen_nic_hw_read_wx(adapter,
+                                          NETXEN_NIU_GB_MII_MGMT_STATUS(0),
+                                          readval, 4))
+                        return -EIO;
+                result = 0;
+        } else
+                result = -1;
+
+        if (restore)
+                if (netxen_nic_hw_write_wx(adapter,
+                                           NETXEN_NIU_GB_MAC_CONFIG_0(0),
+                                           &mac_cfg0, 4))
+                        return -EIO;
+
+        return result;
+}
+
+/* 
+ * netxen_niu_gbe_phy_write - write a register to the GbE PHY via
+ * mii management interface.
+ *
+ * Note: The MII management interface goes through port 0.
+ *       Individual phys are addressed as follows:
+ * @param phy      [15:8]  phy id
+ * @param reg      [7:0]   register number
+ *
+ * @returns  0 on success
+ *          -1 on error
+ *
+ */
+int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
+                             long phy, long reg, __le32 val)
+{
+        long timeout = 0;
+        long result = 0;
+        long restore = 0;
+        __le32 address;
+        __le32 command;
+        __le32 status;
+        __le32 mac_cfg0;
+
+        /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */
+        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+                                  &mac_cfg0, 4))
+                return -EIO;
+        if (netxen_gb_get_soft_reset(mac_cfg0)) {
+                __le32 temp;
+                temp = 0;
+                netxen_gb_tx_reset_pb(temp);
+                netxen_gb_rx_reset_pb(temp);
+                netxen_gb_tx_reset_mac(temp);
+                netxen_gb_rx_reset_mac(temp);
+
+                if (netxen_nic_hw_write_wx(adapter,
+                                           NETXEN_NIU_GB_MAC_CONFIG_0(0),
+                                           &temp, 4))
+                        return -EIO;
+                restore = 1;
+        }
+
+        command = 0;            /* turn off any prior activity */
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+                                   &command, 4))
+                return -EIO;
+
+        address = 0;
+        netxen_gb_mii_mgmt_reg_addr(address, reg);
+        netxen_gb_mii_mgmt_phy_addr(address, phy);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+                                   &address, 4))
+                return -EIO;
+
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0),
+                                   &val, 4))
+                return -EIO;
+
+        status = 0;
+        do {
+                if (netxen_nic_hw_read_wx(adapter,
+                                          NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
+                                          &status, 4))
+                        return -EIO;
+                timeout++;
+        } while ((netxen_get_gb_mii_mgmt_busy(status))
+                 && (timeout++ < NETXEN_NIU_PHY_WAITMAX));
+
+        if (timeout < NETXEN_NIU_PHY_WAITMAX)
+                result = 0;
+        else
+                result = -EIO;
+
+        /* restore the state of port 0 MAC in case we tampered with it */
+        if (restore)
+                if (netxen_nic_hw_write_wx(adapter,
+                                           NETXEN_NIU_GB_MAC_CONFIG_0(0),
+                                           &mac_cfg0, 4))
+                        return -EIO;
+
+        return result;
+}
+
+int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+                                          int port)
+{
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x3f);
+        return 0;
+}
+
+int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter,
+                                         int port)
+{
+        int result = 0;
+        __le32 enable = 0;
+        netxen_set_phy_int_link_status_changed(enable);
+        netxen_set_phy_int_autoneg_completed(enable);
+        netxen_set_phy_int_speed_changed(enable);
+
+        if (0 !=
+            netxen_niu_gbe_phy_write(adapter, port,
+                                     NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE,
+                                     enable))
+                result = -EIO;
+
+        return result;
+}
+
+int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+                                           int port)
+{
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x7f);
+        return 0;
+}
+
+int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter,
+                                          int port)
+{
+        int result = 0;
+        if (0 !=
+            netxen_niu_gbe_phy_write(adapter, port,
+                                     NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, 0))
+                result = -EIO;
+
+        return result;
+}
+
+int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+                                         int port)
+{
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_ACTIVE_INT, -1);
+        return 0;
+}
+
+int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter,
+                                        int port)
+{
+        int result = 0;
+        if (0 !=
+            netxen_niu_gbe_phy_write(adapter, port,
+                                     NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
+                                     -EIO))
+                result = -EIO;
+
+        return result;
+}
+
+/* 
+ * netxen_niu_gbe_set_mii_mode- Set 10/100 Mbit Mode for GbE MAC
+ *
+ */
+void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter,
+                                 int port, long enable)
+{
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2);
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                    0x80000000);
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                    0x0000f0025);
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port),
+                                    0xf1ff);
+        netxen_crb_writelit_adapter(adapter,
+                                    NETXEN_NIU_GB0_GMII_MODE + (port << 3), 0);
+        netxen_crb_writelit_adapter(adapter,
+                                    NETXEN_NIU_GB0_MII_MODE + (port << 3), 1);
+        netxen_crb_writelit_adapter(adapter,
+                                    (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0);
+        netxen_crb_writelit_adapter(adapter,
+                                    NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7);
+
+        if (enable) {
+                /* 
+                 * Do NOT enable flow control until a suitable solution for 
+                 *  shutting down pause frames is found. 
+                 */
+                netxen_crb_writelit_adapter(adapter,
+                                            NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                            0x5);
+        }
+
+        if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+                printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n");
+        if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+                printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n");
+}
+
+/* 
+ * netxen_niu_gbe_set_gmii_mode- Set GbE Mode for GbE MAC
+ */
+void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter,
+                                  int port, long enable)
+{
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2);
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                    0x80000000);
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                    0x0000f0025);
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port),
+                                    0xf2ff);
+        netxen_crb_writelit_adapter(adapter,
+                                    NETXEN_NIU_GB0_MII_MODE + (port << 3), 0);
+        netxen_crb_writelit_adapter(adapter,
+                                    NETXEN_NIU_GB0_GMII_MODE + (port << 3), 1);
+        netxen_crb_writelit_adapter(adapter,
+                                    (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0);
+        netxen_crb_writelit_adapter(adapter,
+                                    NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7);
+
+        if (enable) {
+                /* 
+                 * Do NOT enable flow control until a suitable solution for 
+                 *  shutting down pause frames is found. 
+                 */
+                netxen_crb_writelit_adapter(adapter,
+                                            NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                            0x5);
+        }
+
+        if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+                printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n");
+        if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+                printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n");
+}
+
+int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
+{
+        int result = 0;
+        __le32 status;
+        if (adapter->ops->disable_phy_interrupts)
+                adapter->ops->disable_phy_interrupts(adapter, port);
+        mdelay(2);
+
+        if (0 ==
+            netxen_niu_gbe_phy_read(adapter, port,
+                                    NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+                                    (__le32 *) & status)) {
+                if (netxen_get_phy_link(status)) {
+                        if (netxen_get_phy_speed(status) == 2) {
+                                netxen_niu_gbe_set_gmii_mode(adapter, port, 1);
+                        } else if ((netxen_get_phy_speed(status) == 1)
+                                   || (netxen_get_phy_speed(status) == 0)) {
+                                netxen_niu_gbe_set_mii_mode(adapter, port, 1);
+                        } else {
+                                result = -1;
+                        }
+
+                } else {
+                        /* We don't have link. Cable  must be unconnected. */
+                        /* Enable phy interrupts so we take action when plugged in */
+                        netxen_crb_writelit_adapter(adapter,
+                                                    NETXEN_NIU_GB_MAC_CONFIG_0
+                                                    (port), 0x80000000);
+                        netxen_crb_writelit_adapter(adapter,
+                                                    NETXEN_NIU_GB_MAC_CONFIG_0
+                                                    (port), 0x0000f0025);
+                        if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+                                printk(KERN_ERR PFX
+                                       "ERROR clearing PHY interrupts\n");
+                        if (netxen_niu_gbe_enable_phy_interrupts(adapter, port))
+                                printk(KERN_ERR PFX
+                                       "ERROR enabling PHY interrupts\n");
+                        if (netxen_niu_gbe_clear_phy_interrupts(adapter, port))
+                                printk(KERN_ERR PFX
+                                       "ERROR clearing PHY interrupts\n");
+                        result = -1;
+                }
+        } else {
+                result = -EIO;
+        }
+        return result;
+}
+
+/* 
+ * netxen_niu_gbe_handle_phy_interrupt - Handles GbE PHY interrupts
+ * @param enable 0 means don't enable the port
+ *               1 means enable (or re-enable) the port
+ */
+int netxen_niu_gbe_handle_phy_interrupt(struct netxen_adapter *adapter,
+                                        int port, long enable)
+{
+        int result = 0;
+        __le32 int_src;
+
+        printk(KERN_INFO PFX "NETXEN: Handling PHY interrupt on port %d"
+               " (device enable = %d)\n", (int)port, (int)enable);
+
+        /* The read of the PHY INT status will clear the pending interrupt status */
+        if (netxen_niu_gbe_phy_read(adapter, port,
+                                    NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
+                                    &int_src) != 0)
+                result = -EINVAL;
+        else {
+                printk(KERN_INFO PFX "PHY Interrupt source = 0x%x \n", int_src);
+                if (netxen_get_phy_int_jabber(int_src))
+                        printk(KERN_INFO PFX "jabber Interrupt ");
+                if (netxen_get_phy_int_polarity_changed(int_src))
+                        printk(KERN_INFO PFX "polarity changed ");
+                if (netxen_get_phy_int_energy_detect(int_src))
+                        printk(KERN_INFO PFX "energy detect \n");
+                if (netxen_get_phy_int_downshift(int_src))
+                        printk(KERN_INFO PFX "downshift \n");
+                if (netxen_get_phy_int_mdi_xover_changed(int_src))
+                        printk(KERN_INFO PFX "mdi_xover_changed ");
+                if (netxen_get_phy_int_fifo_over_underflow(int_src))
+                        printk(KERN_INFO PFX "fifo_over_underflow ");
+                if (netxen_get_phy_int_false_carrier(int_src))
+                        printk(KERN_INFO PFX "false_carrier ");
+                if (netxen_get_phy_int_symbol_error(int_src))
+                        printk(KERN_INFO PFX "symbol_error ");
+                if (netxen_get_phy_int_autoneg_completed(int_src))
+                        printk(KERN_INFO PFX "autoneg_completed ");
+                if (netxen_get_phy_int_page_received(int_src))
+                        printk(KERN_INFO PFX "page_received ");
+                if (netxen_get_phy_int_duplex_changed(int_src))
+                        printk(KERN_INFO PFX "duplex_changed ");
+                if (netxen_get_phy_int_autoneg_error(int_src))
+                        printk(KERN_INFO PFX "autoneg_error ");
+                if ((netxen_get_phy_int_speed_changed(int_src))
+                    || (netxen_get_phy_int_link_status_changed(int_src))) {
+                        __le32 status;
+
+                        printk(KERN_INFO PFX
+                               "speed_changed or link status changed");
+                        if (netxen_niu_gbe_phy_read
+                            (adapter, port,
+                             NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
+                             &status) == 0) {
+                                if (netxen_get_phy_speed(status) == 2) {
+                                        printk
+                                            (KERN_INFO PFX "Link speed changed"
+                                             " to 1000 Mbps\n");
+                                        netxen_niu_gbe_set_gmii_mode(adapter,
+                                                                     port,
+                                                                     enable);
+                                } else if (netxen_get_phy_speed(status) == 1) {
+                                        printk
+                                            (KERN_INFO PFX "Link speed changed"
+                                             " to 100 Mbps\n");
+                                        netxen_niu_gbe_set_mii_mode(adapter,
+                                                                    port,
+                                                                    enable);
+                                } else if (netxen_get_phy_speed(status) == 0) {
+                                        printk
+                                            (KERN_INFO PFX "Link speed changed"
+                                             " to 10 Mbps\n");
+                                        netxen_niu_gbe_set_mii_mode(adapter,
+                                                                    port,
+                                                                    enable);
+                                } else {
+                                        printk(KERN_ERR PFX "ERROR reading"
+                                               "PHY status. Illegal speed.\n");
+                                        result = -1;
+                                }
+                        } else {
+                                printk(KERN_ERR PFX
+                                       "ERROR reading PHY status.\n");
+                                result = -1;
+                        }
+
+                }
+                printk(KERN_INFO "\n");
+        }
+        return result;
+}
+
+/*
+ * Return the current station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_macaddr_get(struct netxen_adapter *adapter,
+                           int phy, netxen_ethernet_macaddr_t * addr)
+{
+        u64 result = 0;
+        __le32 stationhigh;
+        __le32 stationlow;
+
+        if (addr == NULL)
+                return -EINVAL;
+        if ((phy < 0) || (phy > 3))
+                return -EINVAL;
+
+        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
+                                  &stationhigh, 4))
+                return -EIO;
+        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
+                                  &stationlow, 4))
+                return -EIO;
+
+        result = (u64) netxen_gb_get_stationaddress_low(stationlow);
+        result |= (u64) stationhigh << 16;
+        memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t));
+
+        return 0;
+}
+
+/*
+ * Set the station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_macaddr_set(struct netxen_port *port,
+                           netxen_ethernet_macaddr_t addr)
+{
+        __le32 temp = 0;
+        struct netxen_adapter *adapter = port->adapter;
+        int phy = port->portnum;
+
+        memcpy(&temp, addr, 2);
+        temp <<= 16;
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
+                                   &temp, 4))
+                return -EIO;
+
+        temp = 0;
+
+        memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
+                                   &temp, 4))
+                return -2;
+
+        return 0;
+}
+
+/* Enable a GbE interface */
+int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
+                               int port, netxen_niu_gbe_ifmode_t mode)
+{
+        __le32 mac_cfg0;
+        __le32 mac_cfg1;
+        __le32 mii_cfg;
+
+        if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+                return -EINVAL;
+
+        mac_cfg0 = 0;
+        netxen_gb_soft_reset(mac_cfg0);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                   &mac_cfg0, 4))
+                return -EIO;
+        mac_cfg0 = 0;
+        netxen_gb_enable_tx(mac_cfg0);
+        netxen_gb_enable_rx(mac_cfg0);
+        netxen_gb_unset_rx_flowctl(mac_cfg0);
+        netxen_gb_tx_reset_pb(mac_cfg0);
+        netxen_gb_rx_reset_pb(mac_cfg0);
+        netxen_gb_tx_reset_mac(mac_cfg0);
+        netxen_gb_rx_reset_mac(mac_cfg0);
+
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                   &mac_cfg0, 4))
+                return -EIO;
+        mac_cfg1 = 0;
+        netxen_gb_set_preamblelen(mac_cfg1, 0xf);
+        netxen_gb_set_duplex(mac_cfg1);
+        netxen_gb_set_crc_enable(mac_cfg1);
+        netxen_gb_set_padshort(mac_cfg1);
+        netxen_gb_set_checklength(mac_cfg1);
+        netxen_gb_set_hugeframes(mac_cfg1);
+
+        if (mode == NETXEN_NIU_10_100_MB) {
+                netxen_gb_set_intfmode(mac_cfg1, 1);
+                if (netxen_nic_hw_write_wx(adapter,
+                                           NETXEN_NIU_GB_MAC_CONFIG_1(port),
+                                           &mac_cfg1, 4))
+                        return -EIO;
+
+                /* set mii mode */
+                netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE +
+                                            (port << 3), 0);
+                netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE +
+                                            (port << 3), 1);
+
+        } else if (mode == NETXEN_NIU_1000_MB) {
+                netxen_gb_set_intfmode(mac_cfg1, 2);
+                if (netxen_nic_hw_write_wx(adapter,
+                                           NETXEN_NIU_GB_MAC_CONFIG_1(port),
+                                           &mac_cfg1, 4))
+                        return -EIO;
+                /* set gmii mode */
+                netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE +
+                                            (port << 3), 0);
+                netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE +
+                                            (port << 3), 1);
+        }
+        mii_cfg = 0;
+        netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port),
+                                   &mii_cfg, 4))
+                return -EIO;
+        mac_cfg0 = 0;
+        netxen_gb_enable_tx(mac_cfg0);
+        netxen_gb_enable_rx(mac_cfg0);
+        netxen_gb_unset_rx_flowctl(mac_cfg0);
+        netxen_gb_unset_tx_flowctl(mac_cfg0);
+
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                   &mac_cfg0, 4))
+                return -EIO;
+        return 0;
+}
+
+/* Disable a GbE interface */
+int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port)
+{
+        __le32 mac_cfg0;
+
+        if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+                return -EINVAL;
+
+        mac_cfg0 = 0;
+        netxen_gb_soft_reset(mac_cfg0);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+                                   &mac_cfg0, 4))
+                return -EIO;
+        return 0;
+}
+
+/* Disable an XG interface */
+int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port)
+{
+        __le32 mac_cfg;
+
+        if (port != 0)
+                return -EINVAL;
+
+        mac_cfg = 0;
+        netxen_xg_soft_reset(mac_cfg);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_CONFIG_0,
+                                   &mac_cfg, 4))
+                return -EIO;
+        return 0;
+}
+
+/* Set promiscuous mode for a GbE interface */
+int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port,
+                                    netxen_niu_prom_mode_t mode)
+{
+        __le32 reg;
+
+        if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+                return -EINVAL;
+
+        /* save previous contents */
+        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+                                  &reg, 4))
+                return -EIO;
+        if (mode == NETXEN_NIU_PROMISC_MODE) {
+                switch (port) {
+                case 0:
+                        netxen_clear_gb_drop_gb0(reg);
+                        break;
+                case 1:
+                        netxen_clear_gb_drop_gb1(reg);
+                        break;
+                case 2:
+                        netxen_clear_gb_drop_gb2(reg);
+                        break;
+                case 3:
+                        netxen_clear_gb_drop_gb3(reg);
+                        break;
+                default:
+                        return -EIO;
+                }
+        } else {
+                switch (port) {
+                case 0:
+                        netxen_set_gb_drop_gb0(reg);
+                        break;
+                case 1:
+                        netxen_set_gb_drop_gb1(reg);
+                        break;
+                case 2:
+                        netxen_set_gb_drop_gb2(reg);
+                        break;
+                case 3:
+                        netxen_set_gb_drop_gb3(reg);
+                        break;
+                default:
+                        return -EIO;
+                }
+        }
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+                                   &reg, 4))
+                return -EIO;
+        return 0;
+}
+
+/*
+ * Set the MAC address for an XG port
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_xg_macaddr_set(struct netxen_port *port,
+                              netxen_ethernet_macaddr_t addr)
+{
+        __le32 temp = 0;
+        struct netxen_adapter *adapter = port->adapter;
+
+        memcpy(&temp, addr, 2);
+        temp = cpu_to_le32(temp);
+        temp <<= 16;
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+                                   &temp, 4))
+                return -EIO;
+
+        temp = 0;
+
+        memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
+        temp = cpu_to_le32(temp);
+        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+                                   &temp, 4))
+                return -EIO;
+
+        return 0;
+}
+
+/*
+ * Return the current station MAC address.
+ * Note that the passed-in value must already be in network byte order.
+ */
+int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int phy,
+                              netxen_ethernet_macaddr_t * addr)
+{
+        __le32 stationhigh;
+        __le32 stationlow;
+        u64 result;
+
+        if (addr == NULL)
+                return -EINVAL;
+        if (phy != 0)
+                return -EINVAL;
+
+        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+                                  &stationhigh, 4))
+                return -EIO;
+        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+                                  &stationlow, 4))
+                return -EIO;
+
+        result = ((u64) stationlow) >> 16;
+        result |= (u64) stationhigh << 16;
+        memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t));
+
+        return 0;
+}
+
+int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
+                                       int port, netxen_niu_prom_mode_t mode)
+{
+        __le32 reg;
+
+        if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS))
+                return -EINVAL;
+
+        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_CONFIG_1, &reg, 4))
+                return -EIO;
+        if (mode == NETXEN_NIU_PROMISC_MODE)
+                reg = (reg | 0x2000UL);
+        else
+                reg = (reg & ~0x2000UL);
+
+        netxen_crb_writelit_adapter(adapter, NETXEN_NIU_XGE_CONFIG_1, reg);
+
+        return 0;
+}