/**
* intelDown - quiesce the device and optionally reset the hardware
* @adapter: board private structure
* @reset: boolean flag to reset the hardware or not
*/
void IntelMausi::intelDown(struct e1000_adapter *adapter, bool reset)
{
struct e1000_hw *hw = &adapter->hw;
UInt32 tctl, rctl;
/* signal that we're down so the interrupt handler does not
* reschedule our watchdog timer
*/
set_bit(__E1000_DOWN, &adapter->state);
/* disable receives in the hardware */
rctl = intelReadMem32(E1000_RCTL);
rctl &= ~E1000_RCTL_EN;
intelWriteMem32(E1000_RCTL, rctl);
/* flush and sleep below */
/* disable transmits in the hardware */
tctl = intelReadMem32(E1000_TCTL);
tctl &= ~E1000_TCTL_EN;
intelWriteMem32(E1000_TCTL, tctl);
/* flush both disables and wait for them to finish */
intelFlush();
usleep_range(10000, 20000);
intelDisableIRQ();
updateStatistics(adapter);
clearDescriptors();
adapter->link_speed = 0;
adapter->link_duplex = 0;
/* Disable Si errata workaround on PCHx for jumbo frame flow */
if ((hw->mac.type >= e1000_pch2lan) && (mtu > ETH_DATA_LEN) && e1000_lv_jumbo_workaround_ich8lan(hw, false))
DebugLog("Ethernet [IntelMausi]: failed to disable jumbo frame workaround mode\n");
if (reset)
intelReset(adapter);
}
void IntelMausi::intelEnable()
{
struct e1000_hw *hw = &adapterData.hw;
e1000_phy_hw_reset(hw);
if (hw->mac.type >= e1000_pch2lan)
e1000_resume_workarounds_pchlan(hw);
e1000e_power_up_phy(&adapterData);
//intelInitManageabilityPt(&adapterData);
/* If AMT is enabled, let the firmware know that the network
* interface is now open and reset the part to a known state.
*/
if (adapterData.flags & FLAG_HAS_AMT) {
e1000e_get_hw_control(&adapterData);
}
intelReset(&adapterData);
#if DISABLED_CODE
/* DMA latency requirement to workaround jumbo issue */
pm_qos_add_request(&adapter->netdev->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
PM_QOS_DEFAULT_VALUE);
#endif /* DISABLED_CODE */
intelConfigure(&adapterData);
/* From here on the code is the same as e1000e_up() */
clear_bit(__E1000_DOWN, &adapterData.state);
intelEnableIRQ(intrMask);
adapterData.tx_hang_recheck = false;
hw->mac.get_link_status = true;
}
