Messages in this thread Patch in this message | | | From | Randy Dunlap <> | Subject | [PATCH -next] bpf: fix net/core/filter build errors when INET is not enabled | Date | Tue, 30 Jun 2020 10:29:10 -0700 |
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From: Randy Dunlap <rdunlap@infradead.org>
Fix build errors when CONFIG_INET is not set/enabled.
(.text+0x2b1b): undefined reference to `tcp_prot' (.text+0x2b3b): undefined reference to `tcp_prot'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Song Liu <songliubraving@fb.com> Cc: Yonghong Song <yhs@fb.com> Cc: Andrii Nakryiko <andriin@fb.com> Cc: John Fastabend <john.fastabend@gmail.com> Cc: KP Singh <kpsingh@chromium.org> Cc: netdev@vger.kernel.org Cc: bpf@vger.kernel.org --- net/core/filter.c | 4 ++++ 1 file changed, 4 insertions(+)
--- linux-next-20200630.orig/net/core/filter.c +++ linux-next-20200630/net/core/filter.c @@ -9328,8 +9328,10 @@ const struct bpf_func_proto bpf_skc_to_t BPF_CALL_1(bpf_skc_to_tcp_timewait_sock, struct sock *, sk) { +#ifdef CONFIG_INET if (sk->sk_prot == &tcp_prot && sk->sk_state == TCP_TIME_WAIT) return (unsigned long)sk; +#endif #if IS_BUILTIN(CONFIG_IPV6) if (sk->sk_prot == &tcpv6_prot && sk->sk_state == TCP_TIME_WAIT) @@ -9350,8 +9352,10 @@ const struct bpf_func_proto bpf_skc_to_t BPF_CALL_1(bpf_skc_to_tcp_request_sock, struct sock *, sk) { +#ifdef CONFIG_INET if (sk->sk_prot == &tcp_prot && sk->sk_state == TCP_NEW_SYN_RECV) return (unsigned long)sk; +#endif #if IS_BUILTIN(CONFIG_IPV6) if (sk->sk_prot == &tcpv6_prot && sk->sk_state == TCP_NEW_SYN_RECV)
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