sr_pending
if (srp->sr_pending != srp->sr_completed)
id = srp->sr_pending & (sp->s_rxq_size - 1);
srp->sr_pending += delta;
unsigned int, srp->sr_added - srp->sr_pending);
if (srp->sr_pending - srp->sr_completed >= SFXGE_RX_BATCH)
while (completed != srp->sr_pending) {
if (srp->sr_pending - completed >= 4) {
} else if (completed == srp->sr_pending) {
srp->sr_pending = srp->sr_added;
ASSERT3U(srp->sr_completed, ==, srp->sr_pending);
srp->sr_pending = 0;