nws 486 net/l2tp/l2tp_core.c u32 nws; nws 489 net/l2tp/l2tp_core.c nws = nr - session->nr; nws 491 net/l2tp/l2tp_core.c nws = (session->nr_max + 1) - (session->nr - nr); nws 493 net/l2tp/l2tp_core.c return nws < session->nr_window_size;