LPM_MAX_PREFIX
for (unsigned n = 0; n <= LPM_MAX_PREFIX; n++) {
*preflen = LPM_MAX_PREFIX;
if (*preflen == LPM_MAX_PREFIX) {
#define LPM_MAX_WORDS (LPM_MAX_PREFIX >> 5)
lpm_hmap_t prefix[LPM_MAX_PREFIX + 1];