static int
e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
struct e1000_adapter *adapter = netdev->priv;
struct e1000_hw *hw = &adapter->hw;
if(ecmd->autoneg == AUTONEG_ENABLE) {
hw->autoneg = 1;
hw->autoneg_advertised = 0x002F;
ecmd->advertising = 0x002F;
} else
if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
return -EINVAL;
/* reset the link */
if(netif_running(adapter->netdev)) {
e1000_down(adapter);
e1000_reset(adapter);
e1000_up(adapter);
} else
e1000_reset(adapter);
return 0;
}
static int
e1000_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct e1000_adapter *adapter = netdev->priv;
struct e1000_hw *hw = &adapter->hw;
adapter->fc_autoneg = pause->autoneg;
if(pause->rx_pause && pause->tx_pause)
hw->fc = e1000_fc_full;
else if(pause->rx_pause && !pause->tx_pause)
hw->fc = e1000_fc_rx_pause;
else if(!pause->rx_pause && pause->tx_pause)
hw->fc = e1000_fc_tx_pause;
else if(!pause->rx_pause && !pause->tx_pause)
hw->fc = e1000_fc_none;
hw->original_fc = hw->fc;
if(adapter->fc_autoneg == AUTONEG_ENABLE) {
if(netif_running(adapter->netdev)) {
e1000_down(adapter);
e1000_up(adapter);
} else
e1000_reset(adapter);
}
else
return ((hw->media_type == e1000_media_type_fiber) ?
e1000_setup_link(hw) : e1000_force_mac_fc(hw));
return 0;
}
static void
e1000_diag_test(struct net_device *netdev,
struct ethtool_test *eth_test, uint64_t *data)
{
struct e1000_adapter *adapter = netdev->priv;
boolean_t if_running = netif_running(netdev);
if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
/* Offline tests */
/* save speed, duplex, autoneg settings */
uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
uint8_t autoneg = adapter->hw.autoneg;
/* Link test performed before hardware reset so autoneg doesn't
* interfere with test result */
if(e1000_link_test(adapter, &data[4]))
eth_test->flags |= ETH_TEST_FL_FAILED;
if(if_running)
e1000_down(adapter);
else
e1000_reset(adapter);
if(e1000_reg_test(adapter, &data[0]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_eeprom_test(adapter, &data[1]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_intr_test(adapter, &data[2]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_loopback_test(adapter, &data[3]))
eth_test->flags |= ETH_TEST_FL_FAILED;
/* restore speed, duplex, autoneg settings */
adapter->hw.autoneg_advertised = autoneg_advertised;
adapter->hw.forced_speed_duplex = forced_speed_duplex;
adapter->hw.autoneg = autoneg;
e1000_reset(adapter);
if(if_running)
e1000_up(adapter);
} else {
/* Online tests */
if(e1000_link_test(adapter, &data[4]))
eth_test->flags |= ETH_TEST_FL_FAILED;
/* Offline tests aren't run; pass by default */
data[0] = 0;
data[1] = 0;
data[2] = 0;
data[3] = 0;
}
}
static int
e1000_ethtool_spause(struct e1000_adapter *adapter,
struct ethtool_pauseparam *epause)
{
struct e1000_hw *hw = &adapter->hw;
adapter->fc_autoneg = epause->autoneg;
if(epause->rx_pause && epause->tx_pause)
hw->fc = e1000_fc_full;
else if(epause->rx_pause && !epause->tx_pause)
hw->fc = e1000_fc_rx_pause;
else if(!epause->rx_pause && epause->tx_pause)
hw->fc = e1000_fc_tx_pause;
else if(!epause->rx_pause && !epause->tx_pause)
hw->fc = e1000_fc_none;
hw->original_fc = hw->fc;
if(adapter->fc_autoneg == AUTONEG_ENABLE) {
if(netif_running(adapter->netdev)) {
e1000_down(adapter);
e1000_up(adapter);
} else
e1000_reset(adapter);
}
else
return e1000_force_mac_fc(hw);
return 0;
}
static int
e1000_nway_reset(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev->priv;
if(netif_running(netdev)) {
e1000_down(adapter);
e1000_up(adapter);
}
return 0;
}
static int
e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
{
struct e1000_adapter *adapter = netdev->priv;
adapter->rx_csum = data;
if(netif_running(netdev)) {
e1000_down(adapter);
e1000_up(adapter);
} else
e1000_reset(adapter);
return 0;
}
static int
e1000_ethtool_test(struct e1000_adapter *adapter,
struct ethtool_test *eth_test, uint64_t *data)
{
boolean_t if_running = netif_running(adapter->netdev);
if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
/* Offline tests */
/* Link test performed before hardware reset so autoneg doesn't
* interfere with test result */
if(e1000_link_test(adapter, &data[4]))
eth_test->flags |= ETH_TEST_FL_FAILED;
if(if_running)
e1000_down(adapter);
else
e1000_reset(adapter);
if(e1000_reg_test(adapter, &data[0]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_eeprom_test(adapter, &data[1]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_intr_test(adapter, &data[2]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(e1000_loopback_test(adapter, &data[3]))
eth_test->flags |= ETH_TEST_FL_FAILED;
e1000_reset(adapter);
if(if_running)
e1000_up(adapter);
} else {
/* Online tests */
if(e1000_link_test(adapter, &data[4]))
eth_test->flags |= ETH_TEST_FL_FAILED;
/* Offline tests aren't run; pass by default */
data[0] = 0;
data[1] = 0;
data[2] = 0;
data[3] = 0;
}
return 0;
}
static int
e1000_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct e1000_adapter *adapter = netdev->priv;
e1000_mac_type mac_type = adapter->hw.mac_type;
struct e1000_desc_ring *txdr = &adapter->tx_ring;
struct e1000_desc_ring *rxdr = &adapter->rx_ring;
struct e1000_desc_ring tx_old, tx_new, rx_old, rx_new;
int err;
tx_old = adapter->tx_ring;
rx_old = adapter->rx_ring;
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
if(netif_running(adapter->netdev))
e1000_down(adapter);
rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
E1000_MAX_RXD : E1000_MAX_82544_RXD));
E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
E1000_MAX_TXD : E1000_MAX_82544_TXD));
E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
if(netif_running(adapter->netdev)) {
/* Try to get new resources before deleting old */
if((err = e1000_setup_rx_resources(adapter)))
goto err_setup_rx;
if((err = e1000_setup_tx_resources(adapter)))
goto err_setup_tx;
/* save the new, restore the old in order to free it,
* then restore the new back again */
rx_new = adapter->rx_ring;
tx_new = adapter->tx_ring;
adapter->rx_ring = rx_old;
adapter->tx_ring = tx_old;
e1000_free_rx_resources(adapter);
e1000_free_tx_resources(adapter);
adapter->rx_ring = rx_new;
adapter->tx_ring = tx_new;
if((err = e1000_up(adapter)))
return err;
}
return 0;
err_setup_tx:
e1000_free_rx_resources(adapter);
err_setup_rx:
adapter->rx_ring = rx_old;
adapter->tx_ring = tx_old;
e1000_up(adapter);
return err;
}
int
e1000_ethtool_ioctl(struct net_device *netdev, struct ifreq *ifr)
{
struct e1000_adapter *adapter = netdev->priv;
void *addr = ifr->ifr_data;
uint32_t cmd;
if(get_user(cmd, (uint32_t *) addr))
return -EFAULT;
switch(cmd) {
case ETHTOOL_GSET: {
struct ethtool_cmd ecmd = {ETHTOOL_GSET};
e1000_ethtool_gset(adapter, &ecmd);
if(copy_to_user(addr, &ecmd, sizeof(ecmd)))
return -EFAULT;
return 0;
}
case ETHTOOL_SSET: {
struct ethtool_cmd ecmd;
if(copy_from_user(&ecmd, addr, sizeof(ecmd)))
return -EFAULT;
return e1000_ethtool_sset(adapter, &ecmd);
}
case ETHTOOL_GDRVINFO: {
struct ethtool_drvinfo drvinfo = {ETHTOOL_GDRVINFO};
e1000_ethtool_gdrvinfo(adapter, &drvinfo);
if(copy_to_user(addr, &drvinfo, sizeof(drvinfo)))
return -EFAULT;
return 0;
}
case ETHTOOL_GSTRINGS: {
struct ethtool_gstrings gstrings = { ETHTOOL_GSTRINGS };
char *strings = NULL;
int err = 0;
if(copy_from_user(&gstrings, addr, sizeof(gstrings)))
return -EFAULT;
switch(gstrings.string_set) {
case ETH_SS_TEST:
gstrings.len = E1000_TEST_LEN;
strings = kmalloc(E1000_TEST_LEN * ETH_GSTRING_LEN,
GFP_KERNEL);
if(!strings)
return -ENOMEM;
memcpy(strings, e1000_gstrings_test, E1000_TEST_LEN *
ETH_GSTRING_LEN);
break;
case ETH_SS_STATS: {
int i;
gstrings.len = E1000_STATS_LEN;
strings = kmalloc(E1000_STATS_LEN * ETH_GSTRING_LEN,
GFP_KERNEL);
if(!strings)
return -ENOMEM;
for(i=0; i < E1000_STATS_LEN; i++) {
memcpy(&strings[i * ETH_GSTRING_LEN],
e1000_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
}
break;
}
default:
return -EOPNOTSUPP;
}
if(copy_to_user(addr, &gstrings, sizeof(gstrings)))
err = -EFAULT;
addr += offsetof(struct ethtool_gstrings, data);
if(!err && copy_to_user(addr, strings,
gstrings.len * ETH_GSTRING_LEN))
err = -EFAULT;
kfree(strings);
return err;
}
case ETHTOOL_GREGS: {
struct ethtool_regs regs = {ETHTOOL_GREGS};
uint32_t regs_buff[E1000_REGS_LEN];
if(copy_from_user(®s, addr, sizeof(regs)))
return -EFAULT;
e1000_ethtool_gregs(adapter, ®s, regs_buff);
if(copy_to_user(addr, ®s, sizeof(regs)))
return -EFAULT;
addr += offsetof(struct ethtool_regs, data);
if(copy_to_user(addr, regs_buff, regs.len))
return -EFAULT;
return 0;
}
case ETHTOOL_NWAY_RST: {
if(netif_running(netdev)) {
e1000_down(adapter);
e1000_up(adapter);
}
return 0;
}
case ETHTOOL_PHYS_ID: {
struct ethtool_value id;
if(copy_from_user(&id, addr, sizeof(id)))
return -EFAULT;
return e1000_ethtool_led_blink(adapter, &id);
}
case ETHTOOL_GLINK: {
struct ethtool_value link = {ETHTOOL_GLINK};
link.data = netif_carrier_ok(netdev);
if(copy_to_user(addr, &link, sizeof(link)))
return -EFAULT;
return 0;
}
case ETHTOOL_GWOL: {
struct ethtool_wolinfo wol = {ETHTOOL_GWOL};
e1000_ethtool_gwol(adapter, &wol);
if(copy_to_user(addr, &wol, sizeof(wol)) != 0)
return -EFAULT;
return 0;
}
case ETHTOOL_SWOL: {
struct ethtool_wolinfo wol;
if(copy_from_user(&wol, addr, sizeof(wol)) != 0)
return -EFAULT;
return e1000_ethtool_swol(adapter, &wol);
}
case ETHTOOL_GEEPROM: {
struct ethtool_eeprom eeprom = {ETHTOOL_GEEPROM};
struct e1000_hw *hw = &adapter->hw;
uint16_t *eeprom_buff;
void *ptr;
int err = 0;
if(copy_from_user(&eeprom, addr, sizeof(eeprom)))
return -EFAULT;
eeprom_buff = kmalloc(hw->eeprom.word_size * 2, GFP_KERNEL);
if(!eeprom_buff)
return -ENOMEM;
if((err = e1000_ethtool_geeprom(adapter, &eeprom,
eeprom_buff)))
goto err_geeprom_ioctl;
if(copy_to_user(addr, &eeprom, sizeof(eeprom))) {
err = -EFAULT;
goto err_geeprom_ioctl;
}
addr += offsetof(struct ethtool_eeprom, data);
ptr = ((void *)eeprom_buff) + (eeprom.offset & 1);
if(copy_to_user(addr, ptr, eeprom.len))
err = -EFAULT;
err_geeprom_ioctl:
kfree(eeprom_buff);
return err;
}
case ETHTOOL_SEEPROM: {
struct ethtool_eeprom eeprom;
if(copy_from_user(&eeprom, addr, sizeof(eeprom)))
return -EFAULT;
addr += offsetof(struct ethtool_eeprom, data);
return e1000_ethtool_seeprom(adapter, &eeprom, addr);
}
case ETHTOOL_GPAUSEPARAM: {
struct ethtool_pauseparam epause = {ETHTOOL_GPAUSEPARAM};
e1000_ethtool_gpause(adapter, &epause);
if(copy_to_user(addr, &epause, sizeof(epause)))
return -EFAULT;
return 0;
}
case ETHTOOL_SPAUSEPARAM: {
struct ethtool_pauseparam epause;
if(copy_from_user(&epause, addr, sizeof(epause)))
return -EFAULT;
return e1000_ethtool_spause(adapter, &epause);
}
case ETHTOOL_GSTATS: {
struct {
struct ethtool_stats eth_stats;
uint64_t data[E1000_STATS_LEN];
} stats = { {ETHTOOL_GSTATS, E1000_STATS_LEN} };
int i;
for(i = 0; i < E1000_STATS_LEN; i++)
stats.data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
sizeof(uint64_t)) ?
*(uint64_t *)((char *)adapter +
e1000_gstrings_stats[i].stat_offset) :
*(uint32_t *)((char *)adapter +
e1000_gstrings_stats[i].stat_offset);
if(copy_to_user(addr, &stats, sizeof(stats)))
return -EFAULT;
return 0;
}
case ETHTOOL_TEST: {
struct {
struct ethtool_test eth_test;
uint64_t data[E1000_TEST_LEN];
} test = { {ETHTOOL_TEST} };
int err;
if(copy_from_user(&test.eth_test, addr, sizeof(test.eth_test)))
return -EFAULT;
test.eth_test.len = E1000_TEST_LEN;
if((err = e1000_ethtool_test(adapter, &test.eth_test,
test.data)))
return err;
if(copy_to_user(addr, &test, sizeof(test)) != 0)
return -EFAULT;
return 0;
}
case ETHTOOL_GRXCSUM: {
struct ethtool_value edata = { ETHTOOL_GRXCSUM };
edata.data = adapter->rx_csum;
if (copy_to_user(addr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
case ETHTOOL_SRXCSUM: {
struct ethtool_value edata;
if (copy_from_user(&edata, addr, sizeof(edata)))
return -EFAULT;
adapter->rx_csum = edata.data;
if(netif_running(netdev)) {
e1000_down(adapter);
e1000_up(adapter);
} else
e1000_reset(adapter);
return 0;
}
case ETHTOOL_GTXCSUM: {
struct ethtool_value edata = { ETHTOOL_GTXCSUM };
edata.data =
(netdev->features & NETIF_F_HW_CSUM) != 0;
if (copy_to_user(addr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
case ETHTOOL_STXCSUM: {
struct ethtool_value edata;
if (copy_from_user(&edata, addr, sizeof(edata)))
return -EFAULT;
if(adapter->hw.mac_type < e1000_82543) {
if (edata.data != 0)
return -EINVAL;
return 0;
}
if (edata.data)
netdev->features |= NETIF_F_HW_CSUM;
else
netdev->features &= ~NETIF_F_HW_CSUM;
return 0;
}
case ETHTOOL_GSG: {
struct ethtool_value edata = { ETHTOOL_GSG };
edata.data =
(netdev->features & NETIF_F_SG) != 0;
if (copy_to_user(addr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
case ETHTOOL_SSG: {
struct ethtool_value edata;
if (copy_from_user(&edata, addr, sizeof(edata)))
return -EFAULT;
if (edata.data)
netdev->features |= NETIF_F_SG;
else
netdev->features &= ~NETIF_F_SG;
return 0;
}
#ifdef NETIF_F_TSO
case ETHTOOL_GTSO: {
struct ethtool_value edata = { ETHTOOL_GTSO };
edata.data = (netdev->features & NETIF_F_TSO) != 0;
if (copy_to_user(addr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
case ETHTOOL_STSO: {
struct ethtool_value edata;
if (copy_from_user(&edata, addr, sizeof(edata)))
return -EFAULT;
if ((adapter->hw.mac_type < e1000_82544) ||
(adapter->hw.mac_type == e1000_82547)) {
if (edata.data != 0)
return -EINVAL;
return 0;
}
if (edata.data)
netdev->features |= NETIF_F_TSO;
else
netdev->features &= ~NETIF_F_TSO;
return 0;
}
#endif
default:
return -EOPNOTSUPP;
}
}