1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (c) 2020, Tessares SA.
5 * Copyright (c) 2022, SUSE.
10 #define pr_fmt(fmt) "MPTCP: " fmt
12 #include <linux/bpf.h>
15 struct mptcp_sock *bpf_mptcp_sock_from_subflow(struct sock *sk)
17 if (sk && sk_fullsock(sk) && sk->sk_protocol == IPPROTO_TCP && sk_is_mptcp(sk))
18 return mptcp_sk(mptcp_subflow_ctx(sk)->conn);