tcp_sock_set_keepcnt
int tcp_sock_set_keepcnt(struct sock *sk, int val);
EXPORT_SYMBOL(tcp_sock_set_keepcnt);
return tcp_sock_set_keepcnt(sk, val);
tcp_sock_set_keepcnt(ssk, msk->keepalive_cnt);
&tcp_sock_set_keepcnt,
tcp_sock_set_keepcnt(sock->sk, keepcnt);
tcp_sock_set_keepcnt(sock->sk, keepcnt);