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engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-02_01,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 adultscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 clxscore=1015 spamscore=0 suspectscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611020003 --------------0xhsujyiF7lgREXLpj25B3ml Content-Type: multipart/mixed; boundary="------------fErkd770Edv88cvfEMsD18Bp"; protected-headers="v1"; hp="clear" Message-ID: Date: Sun, 1 Nov 2026 17:02:02 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/23] Subject: [PATCH net-next 00/23] net/hpe: add HPE Slingshot NIC drivers To: Andrew Lunn , Jakub Kicinski Cc: Slingshot Open Source Team , Nathan Chancellor , Nicolas Schier , Richard Cochran , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Sumit Semwal , =?UTF-8?Q?Christian_K=C3=B6nig?= , Guenter Roeck , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-kbuild@vger.kernel.org, Sandeep Bhoot , Iraimani P , Mamila Santosh References: <20261030-cxi-netdev-submission-v1-0-8c2c391cc283@hpe.com> <20261030151121.1f232b50@kernel.org> <7d4583c2-e8dc-4ffb-bc45-e2121f824b14@lunn.ch> Content-Language: en-US From: Doug Ledford Organization: Hewlett Packard Enterprise In-Reply-To: <7d4583c2-e8dc-4ffb-bc45-e2121f824b14@lunn.ch> --------------fErkd770Edv88cvfEMsD18Bp Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 10/31/26 1:17 PM, Andrew Lunn wrote: > On Fri, Oct 30, 2026 at 03:11:21PM -0700, Jakub Kicinski wrote: >> On Fri, 30 Oct 2026 13:58:56 -0700 Doug Ledford wrote: >>> 416 files changed, 185137 insertions(+) >> >> =F0=9F=A4=A3=EF=B8=8F >=20 > Yes, this patchset is going nowhere. >=20 > Please throw out everything except the absolute bare minimum. > Ethtool, is not needed in the first patchset. All the UAPI stuff is > not needed. All the sysfs stuff is gone. One PF, no VF. All the custom > debug macros can go, etc. I'll see how fast I can get that done. But "the bare minimum" is going to be more than you are accustomed to. This hardware does not receive Ethernet packets using MAC address like normal Ethernet hardware. It uses a special portal table entry that filters in the Ethernet packets. It has the ability to have different filters that receive different Ethernet packets and so sorts them before the driver ever sees them. And all the infrastructure to handle the portal table entries is required just to receive any Ethernet packets. > If you manage to get that absolute minimum base driver merged, you can > then start adding patchsets to flesh out the driver. Eventually you > can get to the controversial stuff, like sysfs, uapi, etc, and you can > argue your case why your driver is special and needs this. >=20 > And as a bit of an aside, how much has an LLM been chewing on the code > and spitting out issues?=20 We ran sashiko, but I think our prompts might have been the RDMA communities prompts (two different people on the team ran it and we merged reports, but I wasn't either one so I don't want to make any claims about things I don't know for sure). Regardless of that though, the AI engine that you guys are using is clearly superior to the only one we have access to inside HPE. > The prompts used by netdev are available, you > can run it yourself. So you might want to address as many as you can > before posting code to the list. That will avoid you reaching v42 of > the absolute bare minimum patchset. We did. We fixed right around 200 sashiko findings already. But, your prompts would help here. I know that HPE is looking at adding Claude to the allowed AI engines, and if I can get early access to that for running sashiko it would help greatly. I'll lobby for that internally. --=20 Doug Ledford GPG KeyID: B826A3330E572FDD Key fingerprint =3D AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FD= D --------------fErkd770Edv88cvfEMsD18Bp-- --------------0xhsujyiF7lgREXLpj25B3ml Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEErmsb2hIrI7QmWxJ0uCajMw5XL90FAmrn4QoFAwAAAAAACgkQuCajMw5XL90d Rw/9Gh+bbXGsg1rOtUJP3cwsz80fQWYbUwolB2loV9FNmNM/aKs9jEgl/TB6y3UdXJqETm80bBOp VOXaOv6vI2LocSYC3L2at9PUswIKtWyoZLpqGfhTEH9sSMzf3897u1xonwu/LPRRBBTDONHqGKWj c3736+4WFFqsnq9FstpzYiJvHbCptxlnlyFKub3QqrStjoPAyLsV9/fCV7g6KC5sCRz4u6TV5GvA 88WYYGz3lxCrBgX2djVqQWzS9DPfCHT73+SRkzvdwLgJ3vJMekq5rNM0E/+1KPq6CM078ljM4PQk 55QdMxUa+NhMVuidf2fCg8JYPDpT5OmFvDad0GEDKjHXU50RtDYE/ZCXRtDj0QMy0bLZQZS2Kz6w m61q1cDFD9fk9mnxjEMWUAB/0TXhMtife6X2EKb3FwB8NgYQhYDu8bQiSr2RNZhNobD1hW+bCTYM 4XuCt9rH/F9QMs/pj8ftTj8e2PW/2GL2nXgL0mpJYwiHaZzc3hhBxQAf6iGuraTAtFjJA01yZjPr MHFAmtQDS3n6MnSfW4/M5rTAO/1uJrmM/3w6DT0t2nrrqDpYUQ80mCotvjYGewORCAKMTIPLyL7H N8mmfp1lf0AZ/Ln7f8DcEL0mz2huNKZ6erGVXsy+n8Ud/V0qTz3pKgXZPxK5ckOjLLoYytAyo0ID hC0= =0nZC -----END PGP SIGNATURE----- --------------0xhsujyiF7lgREXLpj25B3ml--