From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 922FC462F3; Sat, 1 Mar 2025 10:28:32 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 16967402A9; Sat, 1 Mar 2025 10:28:32 +0100 (CET) Received: from mail-vk1-f172.google.com (mail-vk1-f172.google.com [209.85.221.172]) by mails.dpdk.org (Postfix) with ESMTP id 9AED540281 for <dev@dpdk.org>; Sat, 1 Mar 2025 10:28:31 +0100 (CET) Received: by mail-vk1-f172.google.com with SMTP id 71dfb90a1353d-52361a772e7so1159157e0c.1 for <dev@dpdk.org>; Sat, 01 Mar 2025 01:28:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1740821311; x=1741426111; darn=dpdk.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=4kZYa9sijgZbLZIilOWBS529JyFp/3iiuvYBsS6ixx4=; b=Mn9ExeECgMCzcB/X858qj1ss86J0Td+/LViw2a2ljNXD7rXijA1z+akPqdVDoZXWV2 SqkNI++SXfWombZbaIQ3+qwS4Uf80Euqflx2Eodoglb/SrFDivyj8nuyJLfuAzYsEbdK +i5z1MZzs9UKjIC5r9oucfjcz3Nyy0WyfEkBFwV489BQCH2zWPmNyc1iO9nXjEnoZJ4g UvH56THv20+MKQJoi3a0HBbxD3NGG8vSU/etY3lwMk2u7CRgnoQC6JTG/3qHekSiA4uo 7mEolHn6eC5oCS56JrbKId2DFdpqbzuTLtVAY5W+N/6vEgDCFL6M/6v8rPtaoCVIC6Tl 8QPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740821311; x=1741426111; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=4kZYa9sijgZbLZIilOWBS529JyFp/3iiuvYBsS6ixx4=; b=b1niXKDQHbnuJABmgR5cOgaIrI6w+GkEJtkZcSccieS9MoeMjGm2VFH52+FwLEQkVp BZDFMP0KHUGxvdm9M9A6SHg51Gcd6XMzGCtrLs2iK2Gs9EzZVmTpS64q5CsYAugpSi8C gfHTd5Y7p8eNfcWtp5oWi89BU0bbOln9IjHP+O6oUFm7P0XzQzyg443R3Z1UraZMQeVr 8Ha33juvPmnma+FD7Ia94iEr0fUq1FEFboW4ye4paW3mHflWF/t3MgM40q6VHazUu0bo srkfaOlCPKwrmdWeXfgSCW/SU4q8X2ctPsiQjXAjQf9WYDOMEm19Ro1zjuDb5S6/DD+F oxIQ== X-Gm-Message-State: AOJu0YzuiW1wQeaIqV87C5CXI6vmbsLMlx1mivGg4p/KfCdOFP5wTsWK 3CYpK/oMay5Da3zSjzsXnqrYEM8M/+mqsxgD6xI4GjzO90wKprgYFNRcQdaEzRrkUMaMIaIHiLd OT0W8iZ6AKdr347WkSVjcCQtZyJ2wAA8plZQ7XEjpi19EbEDlSwk= X-Gm-Gg: ASbGncsKBboPyw+NgmTi9HzgoxdlF6uiATBzko35NG8UAYnKCbyQeSRYexPE67dgfNw gPKXOIJGMjpUvMkujpIzAuwCnwBsXmApjBFwl9DjWSDQgKT/QsNmhVlui6tn+JvXS5qii0wKmZT ULTzdRIN2QmElrkjv2aaRDFVww/A== X-Google-Smtp-Source: AGHT+IHF+T0OKFUX9XZ8uYyzy2cJwkGoGl7uftyaKg5XF2ti3rTm94f5pUkXwOS71Jeiu9sHIhEypUiqeBRZRMPjsfo= X-Received: by 2002:a05:6122:f07:b0:51e:ffd1:67f3 with SMTP id 71dfb90a1353d-523592a0767mr4402768e0c.7.1740821310808; Sat, 01 Mar 2025 01:28:30 -0800 (PST) MIME-Version: 1.0 References: <20250228142005.1052bd2d@atlas-11> In-Reply-To: <20250228142005.1052bd2d@atlas-11> From: Stephen Hemminger <stephen@networkplumber.org> Date: Sat, 1 Mar 2025 10:28:21 +0100 X-Gm-Features: AQ5f1Jq0YDSm-PNfqeHLfoSZIsMncavzujkkyIJtt1bu5Brs4bVONDUvn3212V4 Message-ID: <CAOaVG14ZUZwNNkBGgD8phDnib7O6_cS476P2Z53dUnjTsxTLWQ@mail.gmail.com> Subject: Re: DPDK support in libpcap To: Denis Ovsienko <denis@ovsienko.info> Cc: dev <dev@dpdk.org> Content-Type: multipart/alternative; boundary="000000000000d947c7062f448ba2" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org --000000000000d947c7062f448ba2 Content-Type: text/plain; charset="UTF-8" Last time I looked at that code it was really ugly, and messy. But more of importantly it was the wrong use case. Very few users will want to have a NIC dedicated to capture only. The whole thing should be rewritten so that tcpdump/ Wireshark can run as secondary process using existing pdump API. On Fri, Feb 28, 2025, 15:20 Denis Ovsienko <denis@ovsienko.info> wrote: > Hello all. > > libpcap has been implementing DPDK packet capture support for some > time, in that a contributor added this support using DPDK 18.11. This > code stopped working with later versions of DPDK and still remains > broken. > > Would anybody be interested to upgrade pcap-dpdk.c in libpcap to the > latest stable release of DPDK, to confirm whether it works as intended > and maybe even to keep this module better maintained in future? > > -- > Denis Ovsienko > --000000000000d947c7062f448ba2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto">Last time I looked at that code it was really ugly, and m= essy. But more of importantly it was the wrong use case. Very few users wil= l want to have a NIC dedicated to capture only.<div dir=3D"auto"><br></div>= <div dir=3D"auto">The whole thing should be rewritten so that tcpdump/ Wire= shark can run as secondary process using existing pdump API.=C2=A0</div></d= iv><br><div class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" cl= ass=3D"gmail_attr">On Fri, Feb 28, 2025, 15:20 Denis Ovsienko <<a href= =3D"mailto:denis@ovsienko.info">denis@ovsienko.info</a>> wrote:<br></div= ><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border= -left:1px solid rgb(204,204,204);padding-left:1ex">Hello all.<br> <br> libpcap has been implementing DPDK packet capture support for some<br> time, in that a contributor added this support using DPDK 18.11.=C2=A0 This= <br> code stopped working with later versions of DPDK and still remains<br> broken.<br> <br> Would anybody be interested to upgrade pcap-dpdk.c in libpcap to the<br> latest stable release of DPDK, to confirm whether it works as intended<br> and maybe even to keep this module better maintained in future?<br> <br> -- <br> =C2=A0 =C2=A0 Denis Ovsienko<br> </blockquote></div> --000000000000d947c7062f448ba2--