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From: Larysa Zaremba <larysa.zaremba@intel.com>
To: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
	andrii@kernel.org, martin.lau@linux.dev, song@kernel.org,
	yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org,
	sdf@google.com, haoluo@google.com, jolsa@kernel.org,
	David Ahern <dsahern@gmail.com>, Jakub Kicinski <kuba@kernel.org>,
	Willem de Bruijn <willemb@google.com>,
	Jesper Dangaard Brouer <brouer@redhat.com>,
	Anatoly Burakov <anatoly.burakov@intel.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,
	Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
	Alexei Starovoitov <alexei.starovoitov@gmail.com>,
	Simon Horman <simon.horman@corigine.com>,
	Tariq Toukan <tariqt@mellanox.com>,
	Saeed Mahameed <saeedm@mellanox.com>
Subject: [xdp-hints] Re: [RFC bpf-next 10/23] ice: Implement VLAN tag hint
Date: Mon, 18 Sep 2023 16:07:14 +0200	[thread overview]
Message-ID: <ZQhZkiVn6KR2wJpK@lincoln> (raw)
In-Reply-To: <3f8f0fd8-b75c-5666-797b-315ebb632ca2@intel.com>

On Thu, Sep 14, 2023 at 06:38:04PM +0200, Alexander Lobakin wrote:
> From: Larysa Zaremba <larysa.zaremba@intel.com>
> Date: Thu, 14 Sep 2023 18:28:07 +0200
> 
> > On Thu, Sep 14, 2023 at 06:25:04PM +0200, Alexander Lobakin wrote:
> >> From: Larysa Zaremba <larysa.zaremba@intel.com>
> >> Date: Thu, 24 Aug 2023 21:26:49 +0200
> 
> [...]
> 
> >>> +static void
> >>> +ice_set_rx_rings_vlan_proto(struct ice_vsi *vsi, __be16 vlan_ethertype)
> >>
> >> @vsi can be const (I hope).
> > 
> > I will try to make it const.
> > 
> >> Line can be broken on arguments, not type (I hope).
> >>
> > 
> > This is how we break the lines everywhere in this file though :/
> 
> I know and would really like us stop at least adding new such
> occurrences when not needed :s
> 
> > 
> >>> +{
> >>> +	u16 i;
> >>> +
> >>> +	ice_for_each_alloc_rxq(vsi, i)
> >>> +		vsi->rx_rings[i]->pkt_ctx.vlan_proto = vlan_ethertype;
> >>> +}
> >>> +
> >>>  /**
> >>>   * ice_set_vlan_offload_features - set VLAN offload features for the PF VSI
> >>>   * @vsi: PF's VSI
> >>> @@ -6049,6 +6066,11 @@ ice_set_vlan_offload_features(struct ice_vsi *vsi, netdev_features_t features)
> >>>  	if (strip_err || insert_err)
> >>>  		return -EIO;
> >>>  
> >>> +	if (enable_stripping)
> >>> +		ice_set_rx_rings_vlan_proto(vsi, htons(vlan_ethertype));
> >>> +	else
> >>> +		ice_set_rx_rings_vlan_proto(vsi, 0);
> >>
> >> Ternary?
> > 
> > Would look ugly in this particular case, I think, too long expressions and no 
> > return values.
> 
> 	ice_set_rx_rings_vlan_proto(vsi, strip ? htons(vlan_ethertype) : 0);
> 
> ?

Have missed this one the first time, sorry, makes sense this way :D

> 
> [...]
> 
> >>> -		vlan_tag = ice_get_vlan_tag_from_rx_desc(rx_desc);
> >>> +		vlan_tci = ice_get_vlan_tci(rx_desc);
> >>
> >> Unrelated: I never was a fan of scattering rx_desc parsing across
> >> several files, I remember I moved it to process_skb_fields() in both ice
> >> (Hints series) and iavf (libie), maybe do that here as well? Or way too
> >> out of context?
> > 
> > A little bit too unrelated to the purpose of the series, but a thing we must do 
> > in the future.
> 
> Sure, +
> 
> > 
> >>
> >>>  
> >>>  		/* pad the skb if needed, to make a valid ethernet frame */
> >>>  		if (eth_skb_pad(skb))
> >>
> >> [...]
> >>
> >> Thanks,
> >> Olek
> 
> Thanks,
> Olek

  parent reply	other threads:[~2023-09-18 14:18 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-24 19:26 [xdp-hints] [RFC bpf-next 00/23] XDP metadata via kfuncs for ice + mlx5 Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 01/23] ice: make RX hash reading code more reusable Larysa Zaremba
2023-09-04 14:37   ` [xdp-hints] " Maciej Fijalkowski
2023-09-06 12:23     ` Alexander Lobakin
2023-09-14 16:12   ` Alexander Lobakin
2023-09-14 16:15     ` Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 02/23] ice: make RX HW timestamp " Larysa Zaremba
2023-09-04 14:56   ` [xdp-hints] " Maciej Fijalkowski
2023-09-04 16:29     ` Larysa Zaremba
2023-09-05 15:22       ` Maciej Fijalkowski
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 03/23] ice: make RX checksum checking " Larysa Zaremba
2023-09-04 15:02   ` [xdp-hints] " Maciej Fijalkowski
2023-09-04 18:01     ` Larysa Zaremba
2023-09-05 15:37       ` Maciej Fijalkowski
2023-09-05 16:53         ` Larysa Zaremba
2023-09-05 17:44           ` Maciej Fijalkowski
2023-09-06  9:28             ` Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 04/23] ice: Make ptype internal to descriptor info processing Larysa Zaremba
2023-09-04 15:04   ` [xdp-hints] " Maciej Fijalkowski
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 05/23] ice: Introduce ice_xdp_buff Larysa Zaremba
2023-09-04 15:32   ` [xdp-hints] " Maciej Fijalkowski
2023-09-04 18:11     ` Larysa Zaremba
2023-09-05 17:53       ` Maciej Fijalkowski
2023-09-07 14:21         ` Larysa Zaremba
2023-09-07 16:33           ` Stanislav Fomichev
2023-09-07 16:42             ` Maciej Fijalkowski
2023-09-07 16:43               ` Maciej Fijalkowski
2023-09-13 15:40                 ` Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 06/23] ice: Support HW timestamp hint Larysa Zaremba
2023-09-04 15:38   ` [xdp-hints] " Maciej Fijalkowski
2023-09-04 18:12     ` Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 07/23] ice: Support RX hash XDP hint Larysa Zaremba
2023-09-05 15:42   ` [xdp-hints] " Maciej Fijalkowski
2023-09-05 17:09     ` Larysa Zaremba
2023-09-06 12:03     ` Alexander Lobakin
2023-09-14 16:54   ` Alexander Lobakin
2023-09-14 16:59     ` Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 08/23] ice: Support XDP hints in AF_XDP ZC mode Larysa Zaremba
2023-09-04 15:42   ` [xdp-hints] " Maciej Fijalkowski
2023-09-04 18:14     ` Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 09/23] xdp: Add VLAN tag hint Larysa Zaremba
2023-09-14 16:18   ` [xdp-hints] " Alexander Lobakin
2023-09-14 16:21     ` Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 10/23] ice: Implement " Larysa Zaremba
2023-09-04 16:00   ` [xdp-hints] " Maciej Fijalkowski
2023-09-04 18:18     ` Larysa Zaremba
2023-09-14 16:25   ` Alexander Lobakin
2023-09-14 16:28     ` Larysa Zaremba
2023-09-14 16:38       ` Alexander Lobakin
2023-09-14 17:02         ` Larysa Zaremba
2023-09-18 14:07         ` Larysa Zaremba [this message]
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 11/23] ice: use VLAN proto from ring packet context in skb path Larysa Zaremba
2023-09-14 16:30   ` [xdp-hints] " Alexander Lobakin
2023-09-14 16:30     ` Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 12/23] xdp: Add checksum hint Larysa Zaremba
2023-09-14 16:34   ` [xdp-hints] " Alexander Lobakin
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 13/23] ice: Implement " Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 14/23] selftests/bpf: Allow VLAN packets in xdp_hw_metadata Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 15/23] net, xdp: allow metadata > 32 Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 16/23] selftests/bpf: Add flags and new hints to xdp_hw_metadata Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 17/23] veth: Implement VLAN tag and checksum XDP hint Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 18/23] net: make vlan_get_tag() return -ENODATA instead of -EINVAL Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 19/23] selftests/bpf: Use AF_INET for TX in xdp_metadata Larysa Zaremba
2023-08-24 19:26 ` [xdp-hints] [RFC bpf-next 20/23] selftests/bpf: Check VLAN tag and proto " Larysa Zaremba
2023-08-24 19:27 ` [xdp-hints] [RFC bpf-next 21/23] selftests/bpf: check checksum state " Larysa Zaremba
2023-08-24 19:27 ` [xdp-hints] [RFC bpf-next 22/23] mlx5: implement VLAN tag XDP hint Larysa Zaremba
2023-08-24 19:27 ` [xdp-hints] [RFC bpf-next 23/23] mlx5: implement RX checksum " Larysa Zaremba
2023-08-31 14:50 ` [xdp-hints] Re: [RFC bpf-next 00/23] XDP metadata via kfuncs for ice + mlx5 Larysa Zaremba
2023-09-04 16:06 ` Maciej Fijalkowski
2023-09-06 14:09   ` Larysa Zaremba

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