tcp_write_xmit
tcp_write_xmit(sk, tcp_current_mss(sk), tp->nonagle,
tcp_write_xmit(sk, mss, TCP_NAGLE_OFF, 2, GFP_ATOMIC);
if (tcp_write_xmit(sk, cur_mss, nonagle, 0,
tcp_write_xmit(sk, mss_now, TCP_NAGLE_PUSH, 1, sk->sk_allocation);
static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,