Function txgbe_check_for_msg_pf

dpdk/drivers/net/txgbe/base/txgbe_mbx.c:470–483

* txgbe_check_for_msg_pf - checks to see if the VF has sent mail * @hw: pointer to the HW structure * @vf_number: the VF index * * returns 0 if the VF has set the Status bit or else ERR_MBX **/

 *  returns 0 if the VF has set the Status bit or else ERR_MBX
 **/
s32 txgbe_check_for_msg_pf(struct txgbe_hw *hw, u16 vf_number)
{
	s32 ret_val = TXGBE_ERR_MBX;
	s32 index = TXGBE_MBVFICR_INDEX(vf_number);
	u32 vf_bit = vf_number % 16;

	if (!txgbe_check_for_bit_pf(hw, TXGBE_MBVFICR_VFREQ_VF1 << vf_bit,
				    index)) {
		ret_val = 0;
		hw->mbx.stats.reqs++;
	}

	return ret_val;
}

/**
 *  txgbe_check_for_ack_pf - checks to see if the VF has ACKed