From: "Toke Høiland-Jørgensen" <toke@redhat•com>
To: David Ahern <dsahern@gmail•com>, David Ahern <dsahern@kernel•org>,
netdev@vger•kernel.org
Cc: davem@davemloft•net, kuba@kernel•org, brouer@redhat•com,
daniel@iogearbox•net, john.fastabend@gmail•com, ast@kernel•org,
kafai@fb•com, songliubraving@fb•com, yhs@fb•com, andriin@fb•com
Subject: Re: [PATCH bpf-next 4/5] bpftool: Add SEC name for xdp programs attached to device map
Date: Wed, 27 May 2020 17:01:10 +0200 [thread overview]
Message-ID: <87o8q91ky1.fsf@toke.dk> (raw)
In-Reply-To: <18823a44-09ba-0b45-2ce3-f34c08c6ea5f@gmail.com>
David Ahern <dsahern@gmail•com> writes:
> On 5/27/20 4:02 AM, Toke Høiland-Jørgensen wrote:
>> David Ahern <dsahern@kernel•org> writes:
>>
>>> Support SEC("xdp_dm*") as a short cut for loading the program with
>>> type BPF_PROG_TYPE_XDP and expected attach type BPF_XDP_DEVMAP.
>>
>> You're not using this in the selftest; shouldn't you be? Also, the
>> prefix should be libbpf: not bpftool:, no?
>>
>
> The selftest is exercising kernel APIs - what is allowed and what is
> not.
Sure, but they also de facto serve as example code for features that are
not documented anywhere else, so just seemed a bit odd to me that you
were not using this to mark the programs.
Anyway, not going to insist if you prefer explicitly setting
expected_attach_type...
-Toke
next prev parent reply other threads:[~2020-05-27 15:01 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-27 1:09 [PATCH bpf-next 0/5] bpf: Add support for XDP programs in DEVMAP entries David Ahern
2020-05-27 1:09 ` [PATCH bpf-next 1/5] bpf: Handle 8-byte values in DEVMAP and DEVMAP_HASH David Ahern
2020-05-27 10:26 ` Jesper Dangaard Brouer
2020-05-27 13:56 ` David Ahern
2020-05-27 14:57 ` Toke Høiland-Jørgensen
2020-05-27 15:24 ` David Ahern
2020-05-27 14:27 ` David Ahern
2020-05-27 15:30 ` Jesper Dangaard Brouer
2020-05-27 18:38 ` David Ahern
2020-05-27 1:09 ` [PATCH bpf-next 2/5] bpf: Add support to attach bpf program to a devmap entry David Ahern
2020-05-27 10:01 ` Toke Høiland-Jørgensen
2020-05-27 14:02 ` David Ahern
2020-05-27 14:58 ` Toke Høiland-Jørgensen
2020-05-27 1:09 ` [PATCH bpf-next 3/5] xdp: Add xdp_txq_info to xdp_buff David Ahern
2020-05-27 1:09 ` [PATCH bpf-next 4/5] bpftool: Add SEC name for xdp programs attached to device map David Ahern
2020-05-27 10:02 ` Toke Høiland-Jørgensen
2020-05-27 14:03 ` David Ahern
2020-05-27 15:01 ` Toke Høiland-Jørgensen [this message]
2020-05-27 15:43 ` Jesper Dangaard Brouer
2020-05-27 1:09 ` [PATCH bpf-next 5/5] selftest: Add tests for XDP programs in devmap entries David Ahern
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