MAX_MSS_SENT
if (new_tso > MAX_MSS_SENT)
new_tso = MAX_MSS_SENT;
(segsiz * MAX_MSS_SENT), 0, 0, 3);
return (segsiz * MAX_MSS_SENT);
if (segs > MAX_MSS_SENT)
segs = MAX_MSS_SENT;