void
eeprom_dump(void *instance)
{
struct e1000g *Adapter = (struct e1000g *)instance;
struct e1000_hw *hw = &Adapter->shared;
uint16_t eeprom[WPL], size_field;
int i, ret, sign, size, lines, offset = 0;
int ee_size[] =
{128, 256, 512, 1024, 2048, 4096, 16 * 1024, 32 * 1024, 64 * 1024};
mutex_enter(&e1000g_nvm_lock);
if (ret = e1000_read_nvm(hw, 0x12, 1, &size_field)) {
e1000g_log(Adapter, CE_WARN,
"e1000_read_nvm failed to read size: %d", ret);
goto eeprom_dump_end;
}
sign = (size_field & 0xc000) >> 14;
if (sign != 1) {
e1000g_log(Adapter, CE_WARN,
"eeprom_dump invalid signature: %d", sign);
}
size = (size_field & 0x3c00) >> 10;
if (size < 0 || size > 11) {
e1000g_log(Adapter, CE_WARN,
"eeprom_dump invalid size: %d", size);
}
e1000g_log(Adapter, CE_CONT,
"eeprom_dump size field: %d eeprom bytes: %d\n",
size, ee_size[size]);
e1000g_log(Adapter, CE_CONT,
"e1000_read_nvm hebs: %d\n", ((size_field & 0x000f) >> 10));
lines = ee_size[size] / WPL / 2;
e1000g_log(Adapter, CE_CONT,
"dump eeprom %d lines of %d words per line\n", lines, WPL);
for (i = 0; i < lines; i++) {
if (ret = e1000_read_nvm(hw, offset, WPL, eeprom)) {
e1000g_log(Adapter, CE_WARN,
"e1000_read_nvm failed: %d", ret);
goto eeprom_dump_end;
}
e1000g_log(Adapter, CE_CONT,
"0x%04x %04x %04x %04x %04x %04x %04x %04x %04x\n",
offset,
eeprom[0], eeprom[1], eeprom[2], eeprom[3],
eeprom[4], eeprom[5], eeprom[6], eeprom[7]);
offset += WPL;
}
eeprom_dump_end:
mutex_exit(&e1000g_nvm_lock);
}
static int e1000_get_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u16 *eeprom_buff;
int first_word;
int last_word;
int ret_val = 0;
u16 i;
if (eeprom->len == 0)
return -EINVAL;
eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
eeprom_buff = kmalloc(sizeof(u16) *
(last_word - first_word + 1), GFP_KERNEL);
if (!eeprom_buff)
return -ENOMEM;
if (hw->nvm.type == e1000_nvm_eeprom_spi) {
ret_val = e1000_read_nvm(hw, first_word,
last_word - first_word + 1,
eeprom_buff);
} else {
for (i = 0; i < last_word - first_word + 1; i++) {
ret_val = e1000_read_nvm(hw, first_word + i, 1,
&eeprom_buff[i]);
if (ret_val)
break;
}
}
if (ret_val) {
/* a read error occurred, throw away the result */
memset(eeprom_buff, 0xff, sizeof(u16) *
(last_word - first_word + 1));
} else {
/* Device's eeprom is always little-endian, word addressable */
for (i = 0; i < last_word - first_word + 1; i++)
le16_to_cpus(&eeprom_buff[i]);
}
memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
kfree(eeprom_buff);
return ret_val;
}
/**
* e1000e_enable_mng_pass_thru - Check if management passthrough is needed
* @hw: pointer to the HW structure
*
* Verifies the hardware needs to leave interface enabled so that frames can
* be directed to and from the management interface.
**/
bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
{
u32 manc;
u32 fwsm, factps;
manc = er32(MANC);
if (!(manc & E1000_MANC_RCV_TCO_EN))
return false;
if (hw->mac.has_fwsm) {
fwsm = er32(FWSM);
factps = er32(FACTPS);
if (!(factps & E1000_FACTPS_MNGCG) &&
((fwsm & E1000_FWSM_MODE_MASK) ==
(e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT)))
return true;
} else if ((hw->mac.type == e1000_82574) ||
(hw->mac.type == e1000_82583)) {
u16 data;
factps = er32(FACTPS);
e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data);
if (!(factps & E1000_FACTPS_MNGCG) &&
((data & E1000_NVM_INIT_CTRL2_MNGM) ==
(e1000_mng_mode_pt << 13)))
return true;
} else if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN)) {
return true;
}
return false;
}
static ssize_t igb_maclla1(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct e1000_hw *hw;
u16 eeprom_buff[6];
int first_word = 0x37;
int word_count = 6;
int rc;
struct igb_adapter *adapter = igb_get_adapter(kobj);
if (adapter == NULL)
return snprintf(buf, PAGE_SIZE, "error: no adapter\n");
hw = &adapter->hw;
if (hw == NULL)
return snprintf(buf, PAGE_SIZE, "error: no hw data\n");
return 0;
rc = e1000_read_nvm(hw, first_word, word_count,
eeprom_buff);
if (rc != E1000_SUCCESS)
return 0;
switch (hw->bus.func) {
case 0:
return snprintf(buf, PAGE_SIZE, "0x%04X%04X%04X\n",
eeprom_buff[0], eeprom_buff[1], eeprom_buff[2]);
case 1:
return snprintf(buf, PAGE_SIZE, "0x%04X%04X%04X\n",
eeprom_buff[3], eeprom_buff[4], eeprom_buff[5]);
}
return snprintf(buf, PAGE_SIZE, "unexpected port %d\n", hw->bus.func);
}
/**
* e1000_enable_mng_pass_thru - Check if management passthrough is needed
* @hw: pointer to the HW structure
*
* Verifies the hardware needs to leave interface enabled so that frames can
* be directed to and from the management interface.
**/
bool e1000_enable_mng_pass_thru(struct e1000_hw *hw)
{
u32 manc;
u32 fwsm, factps;
bool ret_val = FALSE;
DEBUGFUNC("e1000_enable_mng_pass_thru");
if (!hw->mac.asf_firmware_present)
goto out;
manc = E1000_READ_REG(hw, E1000_MANC);
if (!(manc & E1000_MANC_RCV_TCO_EN))
goto out;
if (hw->mac.has_fwsm) {
fwsm = E1000_READ_REG(hw, E1000_FWSM);
factps = E1000_READ_REG(hw, E1000_FACTPS);
if (!(factps & E1000_FACTPS_MNGCG) &&
((fwsm & E1000_FWSM_MODE_MASK) ==
(e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) {
ret_val = TRUE;
goto out;
}
} else if ((hw->mac.type == e1000_82574) ||
(hw->mac.type == e1000_82583)) {
u16 data;
factps = E1000_READ_REG(hw, E1000_FACTPS);
e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data);
if (!(factps & E1000_FACTPS_MNGCG) &&
((data & E1000_NVM_INIT_CTRL2_MNGM) ==
(e1000_mng_mode_pt << 13))) {
ret_val = TRUE;
goto out;
}
} else if ((manc & E1000_MANC_SMBUS_EN) &&
!(manc & E1000_MANC_ASF_EN)) {
ret_val = TRUE;
goto out;
}
out:
return ret_val;
}
void IntelMausi::intelEEPROMChecks(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
int ret_val;
u16 buf = 0;
if (hw->mac.type != e1000_82573)
return;
ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
le16_to_cpus(&buf);
if (!ret_val && (!(buf & (1 << 0)))) {
/* Deep Smart Power Down (DSPD) */
IOLog("Ethernet [IntelMausi]: Warning: detected DSPD enabled in EEPROM.\n");
}
}
static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
{
u16 temp;
u16 checksum = 0;
u16 i;
*data = 0;
/* Read and add up the contents of the EEPROM */
for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
*data = 1;
return *data;
}
checksum += temp;
}
/* If Checksum is not Correct return error else test passed */
if ((checksum != (u16) NVM_SUM) && !(*data))
*data = 2;
return *data;
}
static int igb_maclla1(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
struct e1000_hw *hw;
u16 eeprom_buff[6];
int first_word = 0x37;
int word_count = 6;
int rc;
struct igb_adapter *adapter = (struct igb_adapter *)data;
if (adapter == NULL)
return snprintf(page, count, "error: no adapter\n");
hw = &adapter->hw;
if (hw == NULL)
return snprintf(page, count, "error: no hw data\n");
rc = e1000_read_nvm(hw, first_word, word_count,
eeprom_buff);
if (rc != E1000_SUCCESS)
return 0;
switch (hw->bus.func) {
case 0:
return snprintf(page, count, "0x%04X%04X%04X\n",
eeprom_buff[0],
eeprom_buff[1],
eeprom_buff[2]);
case 1:
return snprintf(page, count, "0x%04X%04X%04X\n",
eeprom_buff[3],
eeprom_buff[4],
eeprom_buff[5]);
}
return snprintf(page, count, "unexpected port %d\n", hw->bus.func);
}
static int e1000_set_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u16 *eeprom_buff;
void *ptr;
int max_len;
int first_word;
int last_word;
int ret_val = 0;
u16 i;
if (eeprom->len == 0)
return -EOPNOTSUPP;
if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
return -EFAULT;
if (adapter->flags & FLAG_READ_ONLY_NVM)
return -EINVAL;
max_len = hw->nvm.word_size * 2;
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
eeprom_buff = kmalloc(max_len, GFP_KERNEL);
if (!eeprom_buff)
return -ENOMEM;
ptr = (void *)eeprom_buff;
if (eeprom->offset & 1) {
/* need read/modify/write of first changed EEPROM word */
/* only the second byte of the word is being modified */
ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
ptr++;
}
if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
/* need read/modify/write of last changed EEPROM word */
/* only the first byte of the word is being modified */
ret_val = e1000_read_nvm(hw, last_word, 1,
&eeprom_buff[last_word - first_word]);
if (ret_val)
goto out;
/* Device's eeprom is always little-endian, word addressable */
for (i = 0; i < last_word - first_word + 1; i++)
le16_to_cpus(&eeprom_buff[i]);
memcpy(ptr, bytes, eeprom->len);
for (i = 0; i < last_word - first_word + 1; i++)
cpu_to_le16s(&eeprom_buff[i]);
ret_val = e1000_write_nvm(hw, first_word,
last_word - first_word + 1, eeprom_buff);
if (ret_val)
goto out;
/*
* Update the checksum over the first part of the EEPROM if needed
* and flush shadow RAM for applicable controllers
*/
if ((first_word <= NVM_CHECKSUM_REG) ||
(hw->mac.type == e1000_82583) ||
(hw->mac.type == e1000_82574) ||
(hw->mac.type == e1000_82573))
ret_val = e1000e_update_nvm_checksum(hw);
out:
kfree(eeprom_buff);
return ret_val;
}
