iwl_txq_inc_wrap
txq->write_ptr = iwl_txq_inc_wrap(trans, txq->write_ptr);
txq->write_ptr = iwl_txq_inc_wrap(trans, txq->write_ptr);
txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr);
for (idx = iwl_txq_inc_wrap(trans, idx); r != idx;
r = iwl_txq_inc_wrap(trans, r)) {
txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr);
txq->write_ptr = iwl_txq_inc_wrap(trans, txq->write_ptr);
txq->write_ptr = iwl_txq_inc_wrap(trans, txq->write_ptr);
txq_read_ptr = iwl_txq_inc_wrap(trans, txq_read_ptr),
txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr);