コード例 #1
0
ファイル: manage.c プロジェクト: StevenLeRoux/PF_RING
/**
 *  e1000_mng_enable_host_if - Checks host interface is enabled
 *  @hw: pointer to the HW structure
 *
 *  Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
 *
 *  This function checks whether the HOST IF is enabled for command operation
 *  and also checks whether the previous command is completed.  It busy waits
 *  in case of previous command is not completed.
 **/
s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
{
	u32 hicr;
	u8 i;

	if (!hw->mac.arc_subsystem_valid) {
		e_dbg("ARC subsystem not valid.\n");
		return -E1000_ERR_HOST_INTERFACE_COMMAND;
	}

	/* Check that the host interface is enabled. */
	hicr = er32(HICR);
	if (!(hicr & E1000_HICR_EN)) {
		e_dbg("E1000_HOST_EN bit disabled.\n");
		return -E1000_ERR_HOST_INTERFACE_COMMAND;
	}
	/* check the previous command is completed */
	for (i = 0; i < E1000_MNG_DHCP_COMMAND_TIMEOUT; i++) {
		hicr = er32(HICR);
		if (!(hicr & E1000_HICR_C))
			break;
		mdelay(1);
	}

	if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) {
		e_dbg("Previous command timeout failed .\n");
		return -E1000_ERR_HOST_INTERFACE_COMMAND;
	}

	return 0;
}
コード例 #2
0
static void e1000e_systim_overflow_work(struct work_struct *work)
{
	struct e1000_adapter *adapter = container_of(work, struct e1000_adapter,
						     systim_overflow_work.work);
	struct e1000_hw *hw = &adapter->hw;
	struct timespec64 ts;

#ifdef HAVE_PTP_CLOCK_INFO_GETTIME64
	adapter->ptp_clock_info.gettime64(&adapter->ptp_clock_info, &ts);

	e_dbg("SYSTIM overflow check at %lld.%09lu\n",
	      (long long) ts.tv_sec, ts.tv_nsec);
#else
	adapter->ptp_clock_info.gettime(&adapter->ptp_clock_info, &ts);

	e_dbg("SYSTIM overflow check at %ld.%09lu\n", ts.tv_sec, ts.tv_nsec);
#endif

	schedule_delayed_work(&adapter->systim_overflow_work,
			      E1000_SYSTIM_OVERFLOW_PERIOD);
}
コード例 #3
0
static void e1000e_systim_overflow_work(struct work_struct *work)
{
	struct e1000_adapter *adapter = container_of(work, struct e1000_adapter,
						     systim_overflow_work.work);
	struct e1000_hw *hw = &adapter->hw;
	struct timespec ts;

	adapter->ptp_clock_info.gettime(&adapter->ptp_clock_info, &ts);

	e_dbg("SYSTIM overflow check at %ld.%09lu\n", ts.tv_sec, ts.tv_nsec);

	schedule_delayed_work(&adapter->systim_overflow_work,
			      E1000_SYSTIM_OVERFLOW_PERIOD);
}