From: Alexander Lobakin <aleksander.lobakin@intel.com>
To: Larysa Zaremba <larysa.zaremba@intel.com>
Cc: bpf@vger.kernel.org, Stanislav Fomichev <sdf@google.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Jakub Kicinski <kuba@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>, Jiri Olsa <jolsa@kernel.org>,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
Anatoly Burakov <anatoly.burakov@intel.com>,
Jesper Dangaard Brouer <brouer@redhat.com>,
Alexander Lobakin <alexandr.lobakin@intel.com>,
Magnus Karlsson <magnus.karlsson@gmail.com>,
Maryam Tahhan <mtahhan@redhat.com>,
xdp-hints@xdp-project.net, netdev@vger.kernel.org,
intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org
Subject: [xdp-hints] Re: [PATCH RESEND bpf-next 01/15] ice: make RX hash reading code more reusable
Date: Mon, 22 May 2023 17:36:49 +0200 [thread overview]
Message-ID: <21522575-f6ef-5c8b-4a0a-0f2c208afa66@intel.com> (raw)
In-Reply-To: <ZGuEWl/LwtXxYgkE@lincoln>
From: Larysa Zaremba <larysa.zaremba@intel.com>
Date: Mon, 22 May 2023 17:03:54 +0200
> On Fri, May 19, 2023 at 06:46:31PM +0200, Alexander Lobakin wrote:
>> From: Larysa Zaremba <larysa.zaremba@intel.com>
>> Date: Fri, 12 May 2023 17:25:53 +0200
[...]
>>> + nic_mdid = (struct ice_32b_rx_flex_desc_nic *)rx_desc;
>>> + *dst = le32_to_cpu(nic_mdid->rss_hash);
>>> + return true;
>>
>> You can just return the hash. `hash == 0` means there's no hash, so it
>> basically means `false`, while non-zero is `true`.
>
> Agree about both hash and timestamp.
>
> Taking this comment and the earlier on into account, I'll name functions like
> that:
>
> ice_get_rx_hash()
> ice_get_vlan_tag()
> ice_ptp_get_rx_hwts_ns()
Sounds good to me!
[...]
Thanks,
Olek
next prev parent reply other threads:[~2023-05-22 15:38 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-12 15:25 [xdp-hints] [PATCH RESEND bpf-next 00/15] new kfunc XDP hints and ice implementation Larysa Zaremba
2023-05-12 15:25 ` [xdp-hints] [PATCH RESEND bpf-next 01/15] ice: make RX hash reading code more reusable Larysa Zaremba
2023-05-19 16:46 ` [xdp-hints] " Alexander Lobakin
2023-05-22 15:03 ` Larysa Zaremba
2023-05-22 15:36 ` Alexander Lobakin [this message]
2023-05-12 15:25 ` [xdp-hints] [PATCH RESEND bpf-next 02/15] ice: make RX HW timestamp " Larysa Zaremba
2023-05-19 16:52 ` [xdp-hints] " Alexander Lobakin
2023-05-22 15:07 ` Larysa Zaremba
2023-05-12 15:25 ` [xdp-hints] [PATCH RESEND bpf-next 03/15] ice: make RX checksum checking " Larysa Zaremba
2023-05-22 15:51 ` [xdp-hints] " Alexander Lobakin
2023-05-22 16:05 ` Larysa Zaremba
2023-05-12 15:25 ` [xdp-hints] [PATCH RESEND bpf-next 04/15] ice: Make ptype internal to descriptor info processing Larysa Zaremba
2023-05-12 15:25 ` [xdp-hints] [PATCH RESEND bpf-next 05/15] ice: Introduce ice_xdp_buff Larysa Zaremba
2023-05-22 16:46 ` [xdp-hints] " Alexander Lobakin
2023-05-23 8:02 ` Larysa Zaremba
2023-05-25 11:02 ` Alexander Lobakin
2023-05-12 15:25 ` [xdp-hints] [PATCH RESEND bpf-next 06/15] ice: Support HW timestamp hint Larysa Zaremba
2023-05-12 18:19 ` [xdp-hints] " Stanislav Fomichev
2023-05-16 16:17 ` Jesper Dangaard Brouer
2023-05-12 15:25 ` [xdp-hints] [PATCH RESEND bpf-next 07/15] ice: Support RX hash XDP hint Larysa Zaremba
2023-05-12 18:22 ` [xdp-hints] " Stanislav Fomichev
2023-05-15 13:46 ` Larysa Zaremba
2023-05-12 15:26 ` [xdp-hints] [PATCH RESEND bpf-next 08/15] ice: Support XDP hints in AF_XDP ZC mode Larysa Zaremba
2023-05-12 15:26 ` [xdp-hints] [PATCH RESEND bpf-next 09/15] xdp: Add VLAN tag hint Larysa Zaremba
2023-05-12 18:28 ` [xdp-hints] " Stanislav Fomichev
2023-05-15 15:36 ` Jesper Dangaard Brouer
2023-05-15 16:09 ` Larysa Zaremba
2023-05-22 8:37 ` Jesper Dangaard Brouer
2023-05-22 15:48 ` Larysa Zaremba
2023-05-23 10:16 ` Jesper Dangaard Brouer
2023-05-23 17:35 ` Larysa Zaremba
2023-05-12 15:26 ` [xdp-hints] [PATCH RESEND bpf-next 10/15] ice: Implement " Larysa Zaremba
2023-05-12 18:31 ` [xdp-hints] " Stanislav Fomichev
2023-05-15 13:41 ` Larysa Zaremba
2023-05-15 15:07 ` Jesper Dangaard Brouer
2023-05-15 15:45 ` Larysa Zaremba
2023-05-12 15:26 ` [xdp-hints] [PATCH RESEND bpf-next 11/15] xdp: Add checksum level hint Larysa Zaremba
2023-05-12 18:34 ` [xdp-hints] " Stanislav Fomichev
2023-05-15 13:49 ` Larysa Zaremba
2023-05-12 15:26 ` [xdp-hints] [PATCH RESEND bpf-next 12/15] ice: Implement " Larysa Zaremba
2023-05-12 15:26 ` [xdp-hints] [PATCH RESEND bpf-next 13/15] selftests/bpf: Allow VLAN packets in xdp_hw_metadata Larysa Zaremba
2023-05-12 18:33 ` [xdp-hints] " Stanislav Fomichev
2023-05-15 14:05 ` Larysa Zaremba
2023-05-12 15:26 ` [xdp-hints] [PATCH RESEND bpf-next 14/15] net, xdp: allow metadata > 32 Larysa Zaremba
2023-05-15 16:17 ` [xdp-hints] " Jesper Dangaard Brouer
2023-05-15 17:08 ` Larysa Zaremba
2023-05-16 12:37 ` Alexander Lobakin
2023-05-16 15:35 ` Jesper Dangaard Brouer
2023-05-19 16:35 ` Alexander Lobakin
2023-05-22 11:41 ` Jesper Dangaard Brouer
2023-05-22 15:28 ` Alexander Lobakin
2023-05-22 15:55 ` Daniel Borkmann
2023-05-12 15:26 ` [xdp-hints] [PATCH RESEND bpf-next 15/15] selftests/bpf: Add flags and new hints to xdp_hw_metadata Larysa Zaremba
2023-05-12 18:37 ` [xdp-hints] " Stanislav Fomichev
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