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linux/drivers/net/netxen/netxen_nic_niu.c
Bill Nottingham 287aa83dff drivers/net: fix comparisons of unsigned < 0 
Recent gcc versions emit warnings when unsigned variables are compared < 0 or >= 0.

Signed-off-by: Bill Nottingham <notting@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-08 22:16:39 -04:00

912 lines
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/*
* 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 reg,
__u32 * readval)
{
long timeout = 0;
long result = 0;
long restore = 0;
long phy = physical_port[adapter->portnum];
__u32 address;
__u32 command;
__u32 status;
__u32 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)) {
__u32 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 reg,
__u32 val)
{
long timeout = 0;
long result = 0;
long restore = 0;
long phy = physical_port[adapter->portnum];
__u32 address;
__u32 command;
__u32 status;
__u32 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)) {
__u32 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)
{
netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x3f);
return 0;
}
int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter)
{
int result = 0;
__u32 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,
NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE,
enable))
result = -EIO;
return result;
}
int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter)
{
netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x7f);
return 0;
}
int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter)
{
int result = 0;
if (0 !=
netxen_niu_gbe_phy_write(adapter,
NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, 0))
result = -EIO;
return result;
}
int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter)
{
netxen_crb_writelit_adapter(adapter, NETXEN_NIU_ACTIVE_INT, -1);
return 0;
}
int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter)
{
int result = 0;
if (0 !=
netxen_niu_gbe_phy_write(adapter,
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))
printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n");
if (netxen_niu_gbe_clear_phy_interrupts(adapter))
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))
printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n");
if (netxen_niu_gbe_clear_phy_interrupts(adapter))
printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n");
}
int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
{
int result = 0;
__u32 status;
if (adapter->disable_phy_interrupts)
adapter->disable_phy_interrupts(adapter);
mdelay(2);
if (0 ==
netxen_niu_gbe_phy_read(adapter,
NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
&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))
printk(KERN_ERR PFX
"ERROR clearing PHY interrupts\n");
if (netxen_niu_gbe_enable_phy_interrupts(adapter))
printk(KERN_ERR PFX
"ERROR enabling PHY interrupts\n");
if (netxen_niu_gbe_clear_phy_interrupts(adapter))
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)
{
u32 portnum = physical_port[adapter->portnum];
netxen_crb_writelit_adapter(adapter,
NETXEN_NIU_XGE_CONFIG_1+(0x10000*portnum), 0x1447);
netxen_crb_writelit_adapter(adapter,
NETXEN_NIU_XGE_CONFIG_0+(0x10000*portnum), 0x5);
return 0;
}
/*
* 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;
__u32 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,
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))) {
__u32 status;
printk(KERN_INFO PFX
"speed_changed or link status changed");
if (netxen_niu_gbe_phy_read
(adapter,
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,
netxen_ethernet_macaddr_t * addr)
{
u32 stationhigh;
u32 stationlow;
int phy = physical_port[adapter->portnum];
u8 val[8];
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;
((__le32 *)val)[1] = cpu_to_le32(stationhigh);
((__le32 *)val)[0] = cpu_to_le32(stationlow);
memcpy(addr, val + 2, 6);
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_adapter *adapter,
netxen_ethernet_macaddr_t addr)
{
u8 temp[4];
u32 val;
int phy = physical_port[adapter->portnum];
unsigned char mac_addr[6];
int i;
for (i = 0; i < 10; i++) {
temp[0] = temp[1] = 0;
memcpy(temp + 2, addr, 2);
val = le32_to_cpu(*(__le32 *)temp);
if (netxen_nic_hw_write_wx
(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), &val, 4))
return -EIO;
memcpy(temp, ((u8 *) addr) + 2, sizeof(__le32));
val = le32_to_cpu(*(__le32 *)temp);
if (netxen_nic_hw_write_wx
(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), &val, 4))
return -2;
netxen_niu_macaddr_get(adapter,
(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, adapter->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)
{
__u32 mac_cfg0;
__u32 mac_cfg1;
__u32 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)
{
__u32 mac_cfg0;
u32 port = physical_port[adapter->portnum];
if (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)
{
__u32 mac_cfg;
u32 port = physical_port[adapter->portnum];
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,
netxen_niu_prom_mode_t mode)
{
__u32 reg;
u32 port = physical_port[adapter->portnum];
if (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_adapter *adapter,
netxen_ethernet_macaddr_t addr)
{
int phy = physical_port[adapter->portnum];
u8 temp[4];
u32 val;
if ((phy < 0) || (phy > NETXEN_NIU_MAX_XG_PORTS))
return -EIO;
temp[0] = temp[1] = 0;
switch (phy) {
case 0:
memcpy(temp + 2, addr, 2);
val = le32_to_cpu(*(__le32 *)temp);
if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
&val, 4))
return -EIO;
memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
val = le32_to_cpu(*(__le32 *)temp);
if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
&val, 4))
return -EIO;
break;
case 1:
memcpy(temp + 2, addr, 2);
val = le32_to_cpu(*(__le32 *)temp);
if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_1,
&val, 4))
return -EIO;
memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
val = le32_to_cpu(*(__le32 *)temp);
if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_HI,
&val, 4))
return -EIO;
break;
default:
printk(KERN_ERR "Unknown port %d\n", phy);
break;
}
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,
netxen_ethernet_macaddr_t * addr)
{
int phy = physical_port[adapter->portnum];
u32 stationhigh;
u32 stationlow;
u8 val[8];
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;
((__le32 *)val)[1] = cpu_to_le32(stationhigh);
((__le32 *)val)[0] = cpu_to_le32(stationlow);
memcpy(addr, val + 2, 6);
return 0;
}
int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
netxen_niu_prom_mode_t mode)
{
__u32 reg;
u32 port = physical_port[adapter->portnum];
if (port > NETXEN_NIU_MAX_XG_PORTS)
return -EINVAL;
if (netxen_nic_hw_read_wx(adapter,
NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), &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 + (0x10000 * port), reg);
return 0;
}
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