IXGBE_PFMAILBOX_PFU
if (pf_mailbox & IXGBE_PFMAILBOX_PFU)
pf_mailbox |= IXGBE_PFMAILBOX_PFU;
if (pf_mailbox & IXGBE_PFMAILBOX_PFU) {
pf_mailbox &= ~IXGBE_PFMAILBOX_PFU;