MP_MIN_FRAG_LEN
if (priv->conf.enableRoundRobin || m->m_pkthdr.len < MP_MIN_FRAG_LEN) {
if (numFrags > m->m_pkthdr.len / MP_MIN_FRAG_LEN)
numFrags = m->m_pkthdr.len / MP_MIN_FRAG_LEN;