__skb_recv_datagram
skb = __skb_recv_datagram(sk, &peer->tcp.user_queue, flags, &off, &err);
struct sk_buff *__skb_recv_datagram(struct sock *sk,
EXPORT_SYMBOL(__skb_recv_datagram);
return __skb_recv_datagram(sk, &sk->sk_receive_queue, flags,
skb = __skb_recv_datagram(sk, &vvs->rx_queue, MSG_DONTWAIT, &off, &err);
skb = __skb_recv_datagram(sk, &ctx->ike_queue, flags, &off, &err);