SQS_POLL_CAPAB
sq->sq_state |= SQS_POLL_CAPAB;
SQS_POLLING_OFF(sqp, (sqp->sq_state & SQS_POLL_CAPAB) != 0,
sqp->sq_state &= ~(SQS_POLL_CAPAB | SQS_GET_PKTS | SQS_PROC_HELD);
ASSERT(sqp->sq_state & SQS_POLL_CAPAB); \
ASSERT(sqp->sq_state & SQS_POLL_CAPAB); \
ASSERT(sqp->sq_state & SQS_POLL_CAPAB); \
sq_poll_capable = (sqp->sq_state & SQS_POLL_CAPAB) != 0;
sqp->sq_state |= SQS_POLL_CAPAB;
if (!(sqp->sq_state & SQS_POLL_CAPAB))