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Diffstat (limited to 'drivers/net/netxen/netxen_nic_niu.c')
-rw-r--r--drivers/net/netxen/netxen_nic_niu.c898
1 files changed, 898 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 00000000000..4987dc765d9
--- /dev/null
+++ b/drivers/net/netxen/netxen_nic_niu.c
@@ -0,0 +1,898 @@
+/*
+ * 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"
+
+#define NETXEN_GB_MAC_SOFT_RESET 0x80000000
+#define NETXEN_GB_MAC_RESET_PROT_BLK 0x000F0000
+#define NETXEN_GB_MAC_ENABLE_TX_RX 0x00000005
+#define NETXEN_GB_MAC_PAUSED_FRMS 0x00000020
+
+static long phy_lock_timeout = 100000000;
+
+static inline int phy_lock(struct netxen_adapter *adapter)
+{
+ int i;
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ done =
+ readl(pci_base_offset
+ (adapter, NETXEN_PCIE_REG(PCIE_SEM3_LOCK)));
+ if (done == 1)
+ break;
+ if (timeout >= phy_lock_timeout) {
+ return -1;
+ }
+ timeout++;
+ if (!in_atomic())
+ schedule();
+ else {
+ for (i = 0; i < 20; i++)
+ cpu_relax();
+ }
+ }
+
+ writel(PHY_LOCK_DRIVER,
+ NETXEN_CRB_NORMALIZE(adapter, NETXEN_PHY_LOCK_ID));
+ return 0;
+}
+
+static inline int phy_unlock(struct netxen_adapter *adapter)
+{
+ readl(pci_base_offset(adapter, NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK)));
+
+ return 0;
+}
+
+/*
+ * 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 mac_cfg0;
+
+ if (phy_lock(adapter) != 0) {
+ return -1;
+ }
+
+ /*
+ * 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;
+ }
+
+ 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;
+ phy_unlock(adapter);
+ 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->disable_phy_interrupts)
+ adapter->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),
+ NETXEN_GB_MAC_SOFT_RESET);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_GB_MAC_CONFIG_0
+ (port),
+ NETXEN_GB_MAC_RESET_PROT_BLK
+ | NETXEN_GB_MAC_ENABLE_TX_RX
+ |
+ NETXEN_GB_MAC_PAUSED_FRMS);
+ 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;
+}
+
+int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
+{
+ long reg = 0, ret = 0;
+
+ if (adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) {
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_XG1_CONFIG_0, 0x5);
+ /* XXX hack for Mez cards: both ports in promisc mode */
+ netxen_nic_hw_read_wx(adapter,
+ NETXEN_NIU_XGE_CONFIG_1, &reg, 4);
+ reg = (reg | 0x2000UL);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_XGE_CONFIG_1, reg);
+ reg = 0;
+ netxen_nic_hw_read_wx(adapter,
+ NETXEN_NIU_XG1_CONFIG_1, &reg, 4);
+ reg = (reg | 0x2000UL);
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_NIU_XG1_CONFIG_1, reg);
+ }
+
+ return ret;
+}
+
+/*
+ * 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;
+ unsigned char mac_addr[6];
+ int i;
+
+ for (i = 0; i < 10; i++) {
+ 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;
+
+ netxen_niu_macaddr_get(adapter, phy,
+ (netxen_ethernet_macaddr_t *) mac_addr);
+ if (memcmp(mac_addr, addr, 6) == 0)
+ break;
+ }
+
+ if (i == 10) {
+ printk(KERN_ERR "%s: cannot set Mac addr for %s\n",
+ netxen_nic_driver_name, port->netdev->name);
+ printk(KERN_ERR "MAC address set: "
+ "%02x:%02x:%02x:%02x:%02x:%02x.\n",
+ addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+
+ printk(KERN_ERR "MAC address get: "
+ "%02x:%02x:%02x:%02x:%02x:%02x.\n",
+ mac_addr[0],
+ mac_addr[1],
+ mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
+ }
+ 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;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 20:02:03 +0000