TSNEP_RING_MASK
next_entry = &rx->entry[(i + 1) & TSNEP_RING_MASK];
index = (rx->write + i) & TSNEP_RING_MASK;
rx->write = (rx->write + i) & TSNEP_RING_MASK;
int index = (rx->write + i) & TSNEP_RING_MASK;
rx->write = (rx->write + i) & TSNEP_RING_MASK;
rx->read = (rx->read + 1) & TSNEP_RING_MASK;
rx->read = (rx->read + 1) & TSNEP_RING_MASK;
rx->read = (rx->read + 1) & TSNEP_RING_MASK;
rx->read = (rx->read + 1) & TSNEP_RING_MASK;
next_entry = &tx->entry[(i + 1) & TSNEP_RING_MASK];
entry = &tx->entry[(tx->write + i) & TSNEP_RING_MASK];
entry = &tx->entry[(index + i) & TSNEP_RING_MASK];
tsnep_tx_activate(tx, (tx->write + i) & TSNEP_RING_MASK, length,
tx->write = (tx->write + count) & TSNEP_RING_MASK;
entry = &tx->entry[(tx->write + i) & TSNEP_RING_MASK];
tsnep_tx_activate(tx, (tx->write + i) & TSNEP_RING_MASK, length,
tx->write = (tx->write + count) & TSNEP_RING_MASK;
tx->write = (tx->write + 1) & TSNEP_RING_MASK;
tx->read = (tx->read + count) & TSNEP_RING_MASK;