tegrakernel/kernel/nvidia/drivers/net/ethernet/realtek/r8168_asf.c

420 lines
17 KiB
C
Executable File

/*
################################################################################
#
# r8168 is the Linux device driver released for Realtek Gigabit Ethernet
# controllers with PCI-Express interface.
#
# Copyright(c) 2017 Realtek Semiconductor Corp. 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, see <http://www.gnu.org/licenses/>.
#
# Author:
# Realtek NIC software team <nicfae@realtek.com>
# No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
#
################################################################################
*/
/************************************************************************************
* This product is covered by one or more of the following patents:
* US6,570,884, US6,115,776, and US6,327,625.
***********************************************************************************/
#include <linux/module.h>
#include <linux/version.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
#include <linux/crc32.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/init.h>
#include <linux/rtnetlink.h>
#include <asm/uaccess.h>
#include "r8168.h"
#include "r8168_asf.h"
#include "rtl_eeprom.h"
int rtl8168_asf_ioctl(struct net_device *dev,
struct ifreq *ifr)
{
struct rtl8168_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
void *user_data = ifr->ifr_data;
struct asf_ioctl_struct asf_usrdata;
if (tp->mcfg != CFG_METHOD_7 && tp->mcfg != CFG_METHOD_8)
return -EOPNOTSUPP;
if (copy_from_user(&asf_usrdata, user_data, sizeof(struct asf_ioctl_struct)))
return -EFAULT;
switch (asf_usrdata.offset) {
case HBPeriod:
rtl8168_asf_hbperiod(ioaddr, asf_usrdata.arg, asf_usrdata.u.data);
break;
case WD8Timer:
break;
case WD16Rst:
rtl8168_asf_wd16rst(ioaddr, asf_usrdata.arg, asf_usrdata.u.data);
break;
case WD8Rst:
rtl8168_asf_time_period(ioaddr, asf_usrdata.arg, WD8Rst, asf_usrdata.u.data);
break;
case LSnsrPollCycle:
rtl8168_asf_time_period(ioaddr, asf_usrdata.arg, LSnsrPollCycle, asf_usrdata.u.data);
break;
case ASFSnsrPollPrd:
rtl8168_asf_time_period(ioaddr, asf_usrdata.arg, ASFSnsrPollPrd, asf_usrdata.u.data);
break;
case AlertReSendItvl:
rtl8168_asf_time_period(ioaddr, asf_usrdata.arg, AlertReSendItvl, asf_usrdata.u.data);
break;
case SMBAddr:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, SMBAddr, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case ASFConfigR0:
rtl8168_asf_config_regs(ioaddr, asf_usrdata.arg, ASFConfigR0, asf_usrdata.u.data);
break;
case ASFConfigR1:
rtl8168_asf_config_regs(ioaddr, asf_usrdata.arg, ASFConfigR1, asf_usrdata.u.data);
break;
case ConsoleMA:
rtl8168_asf_console_mac(tp, asf_usrdata.arg, asf_usrdata.u.data);
break;
case ConsoleIP:
rtl8168_asf_ip_address(ioaddr, asf_usrdata.arg, ConsoleIP, asf_usrdata.u.data);
break;
case IPAddr:
rtl8168_asf_ip_address(tp, asf_usrdata.arg, IPAddr, asf_usrdata.u.data);
break;
case UUID:
rtl8168_asf_rw_uuid(ioaddr, asf_usrdata.arg, asf_usrdata.u.data);
break;
case IANA:
rtl8168_asf_rw_iana(ioaddr, asf_usrdata.arg, asf_usrdata.u.data);
break;
case SysID:
rtl8168_asf_rw_systemid(ioaddr, asf_usrdata.arg, asf_usrdata.u.data);
break;
case Community:
rtl8168_asf_community_string(ioaddr, asf_usrdata.arg, asf_usrdata.u.string);
break;
case StringLength:
rtl8168_asf_community_string_len(ioaddr, asf_usrdata.arg, asf_usrdata.u.data);
break;
case FmCapMsk:
rtl8168_asf_capability_masks(ioaddr, asf_usrdata.arg, FmCapMsk, asf_usrdata.u.data);
break;
case SpCMDMsk:
rtl8168_asf_capability_masks(ioaddr, asf_usrdata.arg, SpCMDMsk, asf_usrdata.u.data);
break;
case SysCapMsk:
rtl8168_asf_capability_masks(ioaddr, asf_usrdata.arg, SysCapMsk, asf_usrdata.u.data);
break;
case RmtRstAddr:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtRstAddr, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtRstCmd:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtRstCmd, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtRstData:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtRstData, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPwrOffAddr:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPwrOffAddr, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPwrOffCmd:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPwrOffCmd, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPwrOffData:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPwrOffData, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPwrOnAddr:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPwrOnAddr, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPwrOnCmd:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPwrOnCmd, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPwrOnData:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPwrOnData, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPCRAddr:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPCRAddr, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPCRCmd:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPCRCmd, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case RmtPCRData:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, RmtPCRData, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case ASFSnsr0Addr:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, ASFSnsr0Addr, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case LSnsrAddr0:
rtl8168_asf_rw_hexadecimal(ioaddr, asf_usrdata.arg, LSnsrAddr0, RW_ONE_BYTE, asf_usrdata.u.data);
break;
case KO:
/* Get/Set Key Operation */
rtl8168_asf_key_access(ioaddr, asf_usrdata.arg, KO, asf_usrdata.u.data);
break;
case KA:
/* Get/Set Key Administrator */
rtl8168_asf_key_access(ioaddr, asf_usrdata.arg, KA, asf_usrdata.u.data);
break;
case KG:
/* Get/Set Key Generation */
rtl8168_asf_key_access(ioaddr, asf_usrdata.arg, KG, asf_usrdata.u.data);
break;
case KR:
/* Get/Set Key Random */
rtl8168_asf_key_access(tp, asf_usrdata.arg, KR, asf_usrdata.u.data);
break;
default:
return -EOPNOTSUPP;
}
if (copy_to_user(user_data, &asf_usrdata, sizeof(struct asf_ioctl_struct)))
return -EFAULT;
return 0;
}
void rtl8168_asf_hbperiod(void __iomem *ioaddr, int arg, unsigned int *data)
{
if (arg == ASF_GET)
data[ASFHBPERIOD] = rtl8168_eri_read(ioaddr, HBPeriod, RW_TWO_BYTES, ERIAR_ASF);
else if (arg == ASF_SET) {
rtl8168_eri_write(ioaddr, HBPeriod, RW_TWO_BYTES, data[ASFHBPERIOD], ERIAR_ASF);
rtl8168_eri_write(ioaddr, 0x1EC, RW_ONE_BYTE, 0x07, ERIAR_ASF);
}
}
void rtl8168_asf_wd16rst(void __iomem *ioaddr, int arg, unsigned int *data)
{
data[ASFWD16RST] = rtl8168_eri_read(ioaddr, WD16Rst, RW_TWO_BYTES, ERIAR_ASF);
}
void rtl8168_asf_console_mac(struct rtl8168_private *tp, int arg, unsigned int *data)
{
void __iomem *ioaddr=tp->mmio_addr;
int i;
if (arg == ASF_GET) {
for (i = 0; i < 6; i++)
data[i] = rtl8168_eri_read(ioaddr, ConsoleMA + i, RW_ONE_BYTE, ERIAR_ASF);
} else if (arg == ASF_SET) {
for (i = 0; i < 6; i++)
rtl8168_eri_write(ioaddr, ConsoleMA + i, RW_ONE_BYTE, data[i], ERIAR_ASF);
/* write the new console MAC address to EEPROM */
rtl_eeprom_write_sc(tp, 70, (data[1] << 8) | data[0]);
rtl_eeprom_write_sc(tp, 71, (data[3] << 8) | data[2]);
rtl_eeprom_write_sc(tp, 72, (data[5] << 8) | data[4]);
}
}
void rtl8168_asf_ip_address(struct rtl8168_private *tp, int arg, int offset, unsigned int *data)
{
void __iomem *ioaddr=tp->mmio_addr;
int i;
int eeprom_off = 0;
if (arg == ASF_GET) {
for (i = 0; i < 4; i++)
data[i] = rtl8168_eri_read(ioaddr, offset + i, RW_ONE_BYTE, ERIAR_ASF);
} else if (arg == ASF_SET) {
for (i = 0; i < 4; i++)
rtl8168_eri_write(ioaddr, offset + i, RW_ONE_BYTE, data[i], ERIAR_ASF);
if (offset == ConsoleIP)
eeprom_off = 73;
else if (offset == IPAddr)
eeprom_off = 75;
/* write the new IP address to EEPROM */
rtl_eeprom_write_sc(tp, eeprom_off, (data[1] << 8) | data[0]);
rtl_eeprom_write_sc(tp, eeprom_off + 1, (data[3] << 8) | data[2]);
}
}
void rtl8168_asf_config_regs(void __iomem *ioaddr, int arg, int offset, unsigned int *data)
{
unsigned int value;
if (arg == ASF_GET) {
data[ASFCAPABILITY] = (rtl8168_eri_read(ioaddr, offset, RW_ONE_BYTE, ERIAR_ASF) & data[ASFCONFIG]) ? FUNCTION_ENABLE : FUNCTION_DISABLE;
} else if (arg == ASF_SET) {
value = rtl8168_eri_read(ioaddr, offset, RW_ONE_BYTE, ERIAR_ASF);
if (data[ASFCAPABILITY] == FUNCTION_ENABLE)
value |= data[ASFCONFIG];
else if (data[ASFCAPABILITY] == FUNCTION_DISABLE)
value &= ~data[ASFCONFIG];
rtl8168_eri_write(ioaddr, offset, RW_ONE_BYTE, value, ERIAR_ASF);
}
}
void rtl8168_asf_capability_masks(void __iomem *ioaddr, int arg, int offset, unsigned int *data)
{
unsigned int len, bit_mask;
bit_mask = DISABLE_MASK;
if (offset == FmCapMsk) {
/* System firmware capabilities */
len = RW_FOUR_BYTES;
if (data[ASFCAPMASK] == FUNCTION_ENABLE)
bit_mask = FMW_CAP_MASK;
} else if (offset == SpCMDMsk) {
/* Special commands */
len = RW_TWO_BYTES;
if (data[ASFCAPMASK] == FUNCTION_ENABLE)
bit_mask = SPC_CMD_MASK;
} else {
/* System capability (offset == SysCapMsk)*/
len = RW_ONE_BYTE;
if (data[ASFCAPMASK] == FUNCTION_ENABLE)
bit_mask = SYS_CAP_MASK;
}
if (arg == ASF_GET)
data[ASFCAPMASK] = rtl8168_eri_read(ioaddr, offset, len, ERIAR_ASF) ? FUNCTION_ENABLE : FUNCTION_DISABLE;
else /* arg == ASF_SET */
rtl8168_eri_write(ioaddr, offset, len, bit_mask, ERIAR_ASF);
}
void rtl8168_asf_community_string(void __iomem *ioaddr, int arg, char *string)
{
int i;
if (arg == ASF_GET) {
for (i = 0; i < COMMU_STR_MAX_LEN; i++)
string[i] = rtl8168_eri_read(ioaddr, Community + i, RW_ONE_BYTE, ERIAR_ASF);
} else { /* arg == ASF_SET */
for (i = 0; i < COMMU_STR_MAX_LEN; i++)
rtl8168_eri_write(ioaddr, Community + i, RW_ONE_BYTE, string[i], ERIAR_ASF);
}
}
void rtl8168_asf_community_string_len(void __iomem *ioaddr, int arg, unsigned int *data)
{
if (arg == ASF_GET)
data[ASFCOMMULEN] = rtl8168_eri_read(ioaddr, StringLength, RW_ONE_BYTE, ERIAR_ASF);
else /* arg == ASF_SET */
rtl8168_eri_write(ioaddr, StringLength, RW_ONE_BYTE, data[ASFCOMMULEN], ERIAR_ASF);
}
void rtl8168_asf_time_period(void __iomem *ioaddr, int arg, int offset, unsigned int *data)
{
int pos = 0;
if (offset == WD8Rst)
pos = ASFWD8RESET;
else if (offset == LSnsrPollCycle)
pos = ASFLSNRPOLLCYC;
else if (offset == ASFSnsrPollPrd)
pos = ASFSNRPOLLCYC;
else if (offset == AlertReSendItvl)
pos = ASFALERTRESND;
if (arg == ASF_GET)
data[pos] = rtl8168_eri_read(ioaddr, offset, RW_ONE_BYTE, ERIAR_ASF);
else /* arg == ASF_SET */
rtl8168_eri_write(ioaddr, offset, RW_ONE_BYTE, data[pos], ERIAR_ASF);
}
void rtl8168_asf_key_access(struct rtl8168_private *tp, int arg, int offset, unsigned int *data)
{
void __iomem *ioaddr=tp->mmio_addr;
int i, j;
int key_off = 0;
if (arg == ASF_GET) {
for (i = 0; i < KEY_LEN; i++)
data[i] = rtl8168_eri_read(ioaddr, offset + KEY_LEN - (i + 1), RW_ONE_BYTE, ERIAR_ASF);
} else {
if (offset == KO)
key_off = 162;
else if (offset == KA)
key_off = 172;
else if (offset == KG)
key_off = 182;
else if (offset == KR)
key_off = 192;
/* arg == ASF_SET */
for (i = 0; i < KEY_LEN; i++)
rtl8168_eri_write(ioaddr, offset + KEY_LEN - (i + 1), RW_ONE_BYTE, data[i], ERIAR_ASF);
/* write the new key to EEPROM */
for (i = 0, j = 19; i < 10; i++, j = j - 2)
rtl_eeprom_write_sc(tp, key_off + i, (data[j - 1] << 8) | data[j]);
}
}
void rtl8168_asf_rw_hexadecimal(void __iomem *ioaddr, int arg, int offset, int len, unsigned int *data)
{
if (arg == ASF_GET)
data[ASFRWHEXNUM] = rtl8168_eri_read(ioaddr, offset, len, ERIAR_ASF);
else /* arg == ASF_SET */
rtl8168_eri_write(ioaddr, offset, len, data[ASFRWHEXNUM], ERIAR_ASF);
}
void rtl8168_asf_rw_systemid(void __iomem *ioaddr, int arg, unsigned int *data)
{
int i;
if (arg == ASF_GET)
for (i = 0; i < SYSID_LEN ; i++)
data[i] = rtl8168_eri_read(ioaddr, SysID + i, RW_ONE_BYTE, ERIAR_ASF);
else /* arg == ASF_SET */
for (i = 0; i < SYSID_LEN ; i++)
rtl8168_eri_write(ioaddr, SysID + i, RW_ONE_BYTE, data[i], ERIAR_ASF);
}
void rtl8168_asf_rw_iana(void __iomem *ioaddr, int arg, unsigned int *data)
{
int i;
if (arg == ASF_GET)
for (i = 0; i < RW_FOUR_BYTES; i++)
data[i] = rtl8168_eri_read(ioaddr, IANA + i, RW_ONE_BYTE, ERIAR_ASF);
else /* arg == ASF_SET */
for (i = 0; i < RW_FOUR_BYTES; i++)
rtl8168_eri_write(ioaddr, IANA + i, RW_ONE_BYTE, data[i], ERIAR_ASF);
}
void rtl8168_asf_rw_uuid(void __iomem *ioaddr, int arg, unsigned int *data)
{
int i, j;
if (arg == ASF_GET)
for (i = UUID_LEN - 1, j = 0; i >= 0 ; i--, j++)
data[j] = rtl8168_eri_read(ioaddr, UUID + i, RW_ONE_BYTE, ERIAR_ASF);
else /* arg == ASF_SET */
for (i = UUID_LEN - 1, j = 0; i >= 0 ; i--, j++)
rtl8168_eri_write(ioaddr, UUID + i, RW_ONE_BYTE, data[j], ERIAR_ASF);
}