From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mail.toke.dk; spf=pass (mailfrom) smtp.mailfrom=linux.dev (client-ip=95.215.58.49; helo=out-49.mta1.migadu.com; envelope-from=martin.lau@linux.dev; receiver=) Authentication-Results: mail.toke.dk; dkim=pass (1024-bit key; unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=nxA44YjL Received: from out-49.mta1.migadu.com (out-49.mta1.migadu.com [95.215.58.49]) by mail.toke.dk (Postfix) with ESMTPS id 680179EC554 for ; Tue, 21 Feb 2023 22:58:26 +0100 (CET) Message-ID: <8bb53544-94f4-601b-24ad-96c6cc87cf50@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1677016706; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KnZLwilDruK9CFWQQ3g9Fih43fAYFFYjJwf6kfAGURA=; b=nxA44YjL8YBprnKDZPlylyXNTxRGYvpQAuA1gLKZeH01Q7l+12C7/TbxtocNglAanC/l4i ya0wRGwUPWQZ7pycpnSyyjJYvr4FlqXZ49Ovl36lddo3ACl5C+WE8+QsKg+xEN8EmNI1o0 TvNF1rtf3PwcPzb/EHabHEmOgYQdZBs= Date: Tue, 21 Feb 2023 13:58:22 -0800 MIME-Version: 1.0 Content-Language: en-US To: Jesper Dangaard Brouer , Stanislav Fomichev References: <167673444093.2179692.14745621008776172374.stgit@firesoul> <613bbdb0-e7b0-59df-f2ee-6c689b15fe41@redhat.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Martin KaFai Lau In-Reply-To: <613bbdb0-e7b0-59df-f2ee-6c689b15fe41@redhat.com> Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 X-Migadu-Flow: FLOW_OUT Message-ID-Hash: 2HTZN3OBHSOPK2FFIRKQC5WIU4EYJK4J X-Message-ID-Hash: 2HTZN3OBHSOPK2FFIRKQC5WIU4EYJK4J X-MailFrom: martin.lau@linux.dev X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: brouer@redhat.com, bpf@vger.kernel.org, netdev@vger.kernel.org, martin.lau@kernel.org, ast@kernel.org, daniel@iogearbox.net, alexandr.lobakin@intel.com, larysa.zaremba@intel.com, xdp-hints@xdp-project.net X-Mailman-Version: 3.3.8 Precedence: list Subject: [xdp-hints] Re: [PATCH bpf-next V3] xdp: bpf_xdp_metadata use EOPNOTSUPP for no driver support List-Id: XDP hardware hints design discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: T24gMi8yMS8yMyAxMjozOSBQTSwgSmVzcGVyIERhbmdhYXJkIEJyb3VlciB3cm90ZToNCj4gRm9y IG1lIHRoaXMgaXMgbW9yZSBhYm91dCB0aGUgQVBJIHdlIGFyZSBnaXZpbmcgdGhlIEJQRi1wcm9n cmFtbWVyLg0KPiANCj4gVGhlcmUgY2FuIGJlIG5hdHVyYWwgY2FzZXMgd2h5IGEgZHJpdmVyIGRv ZXNuJ3QgcHJvdmlkZSBhbnkgaGFyZHdhcmUNCj4gaW5mbyBmb3IgYSBzcGVjaWZpYyBoaW50LsKg IFRoZSBSWC10aW1lc3RhbXAgaXMgYSBnb29kIHByYWN0aWNhbCBleGFtcGxlLA0KPiBhcyBvZnRl biBvbmx5IFBUUCBwYWNrZXRzIHdpbGwgYmUgdGltZXN0YW1wZWQgYnkgaGFyZHdhcmUuDQo+IA0K PiBJIGNhbiB3cml0ZSBhIEJQRi1wcm9nIHRoYXQgY3JlYXRlIGEgc3RhdHMtbWFwIGZvciBjb3Vu dGluZw0KPiBSWC10aW1lc3RhbXBzLCBleHBlY3RpbmcgdG8gY2F0Y2ggYW55IFBUUCBwYWNrZXRz IHdpdGggdGltZXN0YW1wcy7CoCBUaGUNCj4gcHJvYmxlbSBpcyBteSBzdGF0cy1tYXAgY2Fubm90 IHJlY29yZCB0aGUgZGlmZmVyZW5jZSBvZiBFT1BOT1RTVVBQIHZzDQo+IEVOT0RBVEEuwqAgVGh1 cywgdGhlIHVzZXIgb2YgbXkgUlgtdGltZXN0YW1wcyBzdGF0cyBwcm9ncmFtIGNhbiBkcmF3IHRo ZQ0KPiB3cm9uZyBjb25jbHVzaW9uLCB0aGF0IHRoZXJlIGFyZSBubyBwYWNrZXRzIHdpdGggKFBU UCkgdGltZXN0YW1wcywgd2hlbg0KPiB0aGlzIHdhcyBhY3R1YWxseSBhIGNhc2Ugb2YgZHJpdmVy IG5vdCBpbXBsZW1lbnRpbmcgdGhpcy4NCj4gDQo+IEkgaG9wZSB0aGlzIHNpbXBsZSBzdGF0cyBl eGFtcGxlIG1ha2UgaXMgY2xlYXJlciB0aGF0IHRoZSBCUEYtcHJvZyBjYW4NCj4gbWFrZSB1c2Ug b2YgdGhpcyBpbmZvIHJ1bnRpbWUuwqAgSXQgaXMgc2ltcGx5IGEgcXVlc3Rpb24gb2Yga2VlcGlu ZyB0aGVzZQ0KPiBjYXNlcyBhcyBzZXBhcmF0ZSByZXR1cm4gY29kZXMuIElzIHRoYXQgdG9vIG11 Y2ggdG8gYXNrIGZvciBmcm9tIGFuIEFQST8NCg0KSW5zdGVhZCBvZiByZXNlcnZpbmcgYW4gZXJy bm8gZm9yIHRoaXMgcHVycG9zZSwgaXQgY2FuIGJlIGRlY2lkZWQgYXQgbG9hZCB0aW1lIA0KaW5z dGVhZCBvZiBrZWVwIGNhbGxpbmcgYSBrZnVuYyBhbHdheXMgcmV0dXJuaW5nIHRoZSBzYW1lIGRl ZGljYXRlZCBlcnJuby4gSSANCnN0aWxsIGRvbid0IGhlYXIgd2h5IHhkcC1mZWF0dXJlcyArIGJw ZiBnbG9iYWwgY29uc3Qgd29uJ3Qgd29yay4NCg==