From: Kumar Kartikeya Dwivedi <memxor@gmail.com>
To: Maxim Mikityanskiy <maximmi@nvidia.com>
Cc: bpf@vger.kernel.org, "Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Andrii Nakryiko" <andrii@kernel.org>,
"Martin KaFai Lau" <kafai@fb.com>,
"Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
"John Fastabend" <john.fastabend@gmail.com>,
"Florian Westphal" <fw@strlen.de>,
"Jesper Dangaard Brouer" <brouer@redhat.com>,
"Toke Høiland-Jørgensen" <toke@redhat.com>,
netdev@vger.kernel.org, netfilter-devel@vger.kernel.org
Subject: Re: [PATCH bpf-next v3 9/9] selftests/bpf: Add test for unstable CT lookup API
Date: Tue, 14 Dec 2021 20:04:22 +0530 [thread overview]
Message-ID: <20211214143422.kux4euw6f6vy5fm4@apollo.legion> (raw)
In-Reply-To: <da66687b-17fb-caa6-b5aa-7dff6b7bcb63@nvidia.com>
On Tue, Dec 14, 2021 at 07:43:13PM IST, Maxim Mikityanskiy wrote:
> On 2021-12-10 15:02, Kumar Kartikeya Dwivedi wrote:
> > This tests that we return errors as documented, and also that the kfunc
> > calls work from both XDP and TC hooks.
> >
> > Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
> > ---
> > [...]
> > +
> > +#define nf_ct_test(func, ctx) \
> > + ({ \
> > + struct bpf_ct_opts opts_def = { .l4proto = IPPROTO_TCP, \
> > + .netns_id = -1 }; \
>
> I noticed that when CONFIG_NF_CONNTRACK=m, struct bpf_ct_opts doesn't get
> added to vmlinux.h. What is the right way to get definitions of structs from
> modules in BPF programs? Are they supposed to be part of vmlinux.h?
>
Right, you'll have to do:
# bpftool btf dump file /sys/kernel/btf/nf_conntrack format c > vmlinux.h
after loading the module. This will have the definitions for vmlinux BTF +
nf_conntrack BTF.
> [...]
--
Kartikeya
prev parent reply other threads:[~2021-12-14 14:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-10 13:02 [PATCH bpf-next v3 0/9] Introduce unstable CT lookup helpers Kumar Kartikeya Dwivedi
2021-12-10 13:02 ` [PATCH bpf-next v3 1/9] bpf: Refactor bpf_check_mod_kfunc_call Kumar Kartikeya Dwivedi
2021-12-10 13:02 ` [PATCH bpf-next v3 2/9] bpf: Remove DEFINE_KFUNC_BTF_ID_SET Kumar Kartikeya Dwivedi
2021-12-10 13:02 ` [PATCH bpf-next v3 3/9] bpf: Extend kfunc with PTR_TO_CTX, PTR_TO_MEM argument support Kumar Kartikeya Dwivedi
2021-12-10 13:02 ` [PATCH bpf-next v3 4/9] bpf: Introduce mem, size argument pair support for kfunc Kumar Kartikeya Dwivedi
2021-12-10 13:02 ` [PATCH bpf-next v3 5/9] bpf: Add reference tracking support to kfunc Kumar Kartikeya Dwivedi
2021-12-10 13:02 ` [PATCH bpf-next v3 6/9] bpf: Track provenance for pointers formed from referenced PTR_TO_BTF_ID Kumar Kartikeya Dwivedi
2021-12-10 13:02 ` [PATCH bpf-next v3 7/9] net/netfilter: Add unstable CT lookup helpers for XDP and TC-BPF Kumar Kartikeya Dwivedi
2021-12-10 15:09 ` Pablo Neira Ayuso
2021-12-10 15:31 ` Kumar Kartikeya Dwivedi
2021-12-10 23:03 ` Pablo Neira Ayuso
2021-12-11 18:35 ` Toke Høiland-Jørgensen
2021-12-11 19:16 ` Pablo Neira Ayuso
2021-12-13 21:25 ` Toke Høiland-Jørgensen
2021-12-15 23:49 ` Pablo Neira Ayuso
2021-12-10 13:02 ` [PATCH bpf-next v3 8/9] selftests/bpf: Extend kfunc selftests Kumar Kartikeya Dwivedi
2021-12-10 13:02 ` [PATCH bpf-next v3 9/9] selftests/bpf: Add test for unstable CT lookup API Kumar Kartikeya Dwivedi
2021-12-14 14:13 ` Maxim Mikityanskiy
2021-12-14 14:34 ` Kumar Kartikeya Dwivedi [this message]
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