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Date: Fri, 2 Sep 2022 16:41:28 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
Cc: Lorenzo Bianconi <lorenzo@...nel.org>, bpf@...r.kernel.org,
netdev@...r.kernel.org, ast@...nel.org, andrii@...nel.org,
davem@...emloft.net, kuba@...nel.org, edumazet@...gle.com,
pabeni@...hat.com, pablo@...filter.org, fw@...len.de,
netfilter-devel@...r.kernel.org, brouer@...hat.com,
toke@...hat.com, memxor@...il.com, deso@...teo.net
Subject: Re: [PATCH bpf-next 0/4] Introduce bpf_ct_set_nat_info kfunc helper
On 9/2/22 4:35 PM, Lorenzo Bianconi wrote:
> On Sep 02, Daniel Borkmann wrote:
>> On 9/1/22 6:43 PM, Lorenzo Bianconi wrote:
>>> Introduce bpf_ct_set_nat_info kfunc helper in order to set source and
>>> destination nat addresses/ports in a new allocated ct entry not inserted
>>> in the connection tracking table yet.
>>> Introduce support for per-parameter trusted args.
>>>
>>> Kumar Kartikeya Dwivedi (2):
>>> bpf: Add support for per-parameter trusted args
>>> selftests/bpf: Extend KF_TRUSTED_ARGS test for __ref annotation
>>>
>>> Lorenzo Bianconi (2):
>>> net: netfilter: add bpf_ct_set_nat_info kfunc helper
>>> selftests/bpf: add tests for bpf_ct_set_nat_info kfunc
>>>
>>> Documentation/bpf/kfuncs.rst | 18 +++++++
>>> kernel/bpf/btf.c | 39 ++++++++++-----
>>> net/bpf/test_run.c | 9 +++-
>>> net/netfilter/nf_conntrack_bpf.c | 49 ++++++++++++++++++-
>>> .../testing/selftests/bpf/prog_tests/bpf_nf.c | 2 +
>>> .../testing/selftests/bpf/progs/test_bpf_nf.c | 26 +++++++++-
>>> tools/testing/selftests/bpf/verifier/calls.c | 38 +++++++++++---
>>> 7 files changed, 156 insertions(+), 25 deletions(-)
>>>
>>
>> Looks like this fails BPF CI, ptal:
>>
>> https://github.com/kernel-patches/bpf/runs/8147936670?check_suite_focus=true
>
> Hi Daniel,
>
> it seems CONFIG_NF_NAT is not set in the kernel config file.
> Am I supposed to enable it in bpf-next/tools/testing/selftests/bpf/config?
This would have to be set there and added to the patches, yes. @Andrii/DanielM, is
this enough or are other steps needed on top of that?
>> [...]
>> All error logs:
>> test_bpf_nf_ct:PASS:test_bpf_nf__open_and_load 0 nsec
>> test_bpf_nf_ct:PASS:iptables 0 nsec
>> test_bpf_nf_ct:PASS:start_server 0 nsec
>> connect_to_server:PASS:socket 0 nsec
>> connect_to_server:PASS:connect_fd_to_fd 0 nsec
>> test_bpf_nf_ct:PASS:connect_to_server 0 nsec
>> test_bpf_nf_ct:PASS:accept 0 nsec
>> test_bpf_nf_ct:PASS:sockaddr len 0 nsec
>> test_bpf_nf_ct:PASS:bpf_prog_test_run 0 nsec
>> test_bpf_nf_ct:PASS:Test EINVAL for NULL bpf_tuple 0 nsec
>> test_bpf_nf_ct:PASS:Test EINVAL for reserved not set to 0 0 nsec
>> test_bpf_nf_ct:PASS:Test EINVAL for netns_id < -1 0 nsec
>> test_bpf_nf_ct:PASS:Test EINVAL for len__opts != NF_BPF_CT_OPTS_SZ 0 nsec
>> test_bpf_nf_ct:PASS:Test EPROTO for l4proto != TCP or UDP 0 nsec
>> test_bpf_nf_ct:PASS:Test ENONET for bad but valid netns_id 0 nsec
>> test_bpf_nf_ct:PASS:Test ENOENT for failed lookup 0 nsec
>> test_bpf_nf_ct:PASS:Test EAFNOSUPPORT for invalid len__tuple 0 nsec
>> test_bpf_nf_ct:PASS:Test for alloc new entry 0 nsec
>> test_bpf_nf_ct:PASS:Test for insert new entry 0 nsec
>> test_bpf_nf_ct:PASS:Test for successful lookup 0 nsec
>> test_bpf_nf_ct:PASS:Test for min ct timeout update 0 nsec
>> test_bpf_nf_ct:PASS:Test for max ct timeout update 0 nsec
>> test_bpf_nf_ct:PASS:Test for ct status update 0 nsec
>> test_bpf_nf_ct:PASS:Test existing connection lookup 0 nsec
>> test_bpf_nf_ct:PASS:Test existing connection lookup ctmark 0 nsec
>> test_bpf_nf_ct:FAIL:Test for source natting unexpected Test for source natting: actual -22 != expected 0
>> test_bpf_nf_ct:FAIL:Test for destination natting unexpected Test for destination natting: actual -22 != expected 0
>> #16/1 bpf_nf/xdp-ct:FAIL
>> test_bpf_nf_ct:PASS:test_bpf_nf__open_and_load 0 nsec
>> test_bpf_nf_ct:PASS:iptables 0 nsec
>> test_bpf_nf_ct:PASS:start_server 0 nsec
>> connect_to_server:PASS:socket 0 nsec
>> connect_to_server:PASS:connect_fd_to_fd 0 nsec
>> test_bpf_nf_ct:PASS:connect_to_server 0 nsec
>> test_bpf_nf_ct:PASS:accept 0 nsec
>> test_bpf_nf_ct:PASS:sockaddr len 0 nsec
>> test_bpf_nf_ct:PASS:bpf_prog_test_run 0 nsec
>> test_bpf_nf_ct:PASS:Test EINVAL for NULL bpf_tuple 0 nsec
>> test_bpf_nf_ct:PASS:Test EINVAL for reserved not set to 0 0 nsec
>> test_bpf_nf_ct:PASS:Test EINVAL for netns_id < -1 0 nsec
>> test_bpf_nf_ct:PASS:Test EINVAL for len__opts != NF_BPF_CT_OPTS_SZ 0 nsec
>> test_bpf_nf_ct:PASS:Test EPROTO for l4proto != TCP or UDP 0 nsec
>> test_bpf_nf_ct:PASS:Test ENONET for bad but valid netns_id 0 nsec
>> test_bpf_nf_ct:PASS:Test ENOENT for failed lookup 0 nsec
>> test_bpf_nf_ct:PASS:Test EAFNOSUPPORT for invalid len__tuple 0 nsec
>> test_bpf_nf_ct:PASS:Test for alloc new entry 0 nsec
>> test_bpf_nf_ct:PASS:Test for insert new entry 0 nsec
>> test_bpf_nf_ct:PASS:Test for successful lookup 0 nsec
>> test_bpf_nf_ct:PASS:Test for min ct timeout update 0 nsec
>> test_bpf_nf_ct:PASS:Test for max ct timeout update 0 nsec
>> test_bpf_nf_ct:PASS:Test for ct status update 0 nsec
>> test_bpf_nf_ct:PASS:Test existing connection lookup 0 nsec
>> test_bpf_nf_ct:PASS:Test existing connection lookup ctmark 0 nsec
>> test_bpf_nf_ct:FAIL:Test for source natting unexpected Test for source natting: actual -22 != expected 0
>> test_bpf_nf_ct:FAIL:Test for destination natting unexpected Test for destination natting: actual -22 != expected 0
>> #16/2 bpf_nf/tc-bpf-ct:FAIL
>> #16 bpf_nf:FAIL
>> [...]
>>
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