TSNEP_RING_ENTRIES_PER_PAGE
#define TSNEP_RING_PAGE_COUNT (TSNEP_RING_SIZE / TSNEP_RING_ENTRIES_PER_PAGE)
for (j = 0; j < TSNEP_RING_ENTRIES_PER_PAGE; j++) {
entry = &rx->entry[TSNEP_RING_ENTRIES_PER_PAGE * i + j];
for (j = 0; j < TSNEP_RING_ENTRIES_PER_PAGE; j++) {
entry = &tx->entry[TSNEP_RING_ENTRIES_PER_PAGE * i + j];