From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5B91145BC8; Fri, 25 Oct 2024 01:32:55 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 23A0A4025A; Fri, 25 Oct 2024 01:32:55 +0200 (CEST) Received: from mail-qv1-f46.google.com (mail-qv1-f46.google.com [209.85.219.46]) by mails.dpdk.org (Postfix) with ESMTP id E9B73400EF for ; Fri, 25 Oct 2024 01:32:53 +0200 (CEST) Received: by mail-qv1-f46.google.com with SMTP id 6a1803df08f44-6cbceb321b3so9542866d6.3 for ; Thu, 24 Oct 2024 16:32:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1729812773; x=1730417573; 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=I9Ib8ntKKnfVLeWbFeSmIOlgCRQw0ThC3ouJjlSa6Qw=; b=emI32UCpfv12t7GF2J9sGRUZR90dTNgOuPVxE/sCL9b9t+VTuXbHgfFUDC0Jpx2hUV iJJJVqLrGZlt7z7LzkCMwI2k1t2x9/Q2Qweenf7N3SIRVYzMsCWz2sUnFL+6CXTTZStq VmLqm6/8eYSAWQaMe3beLO5obdahEXctn4jpw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729812773; x=1730417573; 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=I9Ib8ntKKnfVLeWbFeSmIOlgCRQw0ThC3ouJjlSa6Qw=; b=Oe2anT9YVXhlXpxORz7A6oBUSxp+YsCAe4qf7Oe/eY1XUnMY9MkDcgAZFUNT9lii6z Pt7OhJRfi0AGoHjFkI3K9O3NRc+46abffuZrPykiHmAqthvSu23wgf6wUs6tp+gXwapg BlN38yoaAK7RSL/uXvQ+muMPNIRvzPPP9LUp/aTB2Ic6POW1oTnw9cRDz0rIziZvdGWk SnUU0LwOo15CUe7FlkRq/ytmPamAp5CF4shgedvtlL4VvimuzYoRHkysgsi/gO4nTR+e cyyWi/T3WYA2M/iQryYTyQcT+wGFKWp9q9yTy68rOwAHojCg0xKH5l93e5qq7Dlg6dfe DyxA== X-Forwarded-Encrypted: i=1; AJvYcCUm/CnAildlBxnFhJHVqIBlFXS5jXzdK9z0j0iAjwO0yIENnbA3e1zDUIwb6lede9t6Q1A=@dpdk.org X-Gm-Message-State: AOJu0YzpylAbMrj74rJDzzMT7NNFhjYflI6ichTtc8HILd/iQOy6VNA8 HptFIWltXGjWzVYYeU4l8jIHMobn7FSDXy0g8qFRLwv4uKHXzf8YmNw+ae45zgQVD2/E2gfw6VJ 2gESNfpf9IaPWMoQ0Tz9nQeg2cVHEg19ZULq/ X-Google-Smtp-Source: AGHT+IF/Qi0jdefMNnAX5Oo+uL4SygVAUN/8Lg4IBg44OjSz5VTQlfPBu2K/MY5f4hIlVmrKjJrPQRIewEjWp8I9Kg8= X-Received: by 2002:a05:6214:4401:b0:6cb:7ce7:c093 with SMTP id 6a1803df08f44-6d09453cf6emr42543356d6.37.1729812773238; Thu, 24 Oct 2024 16:32:53 -0700 (PDT) MIME-Version: 1.0 References: <20240822153218.3782170-1-akozyrev@nvidia.com> In-Reply-To: From: Ajit Khaparde Date: Thu, 24 Oct 2024 16:32:35 -0700 Message-ID: Subject: Re: [PATCH] mbuf: add transport mode ESP packet type To: Alexander Kozyrev Cc: Nithin Dabilpuram , David Marchand , "dev@dpdk.org" , Dariusz Sosnowski , Ori Kam , "olivier.matz@6wind.com" , "NBU-Contact-Thomas Monjalon (EXTERNAL)" , Matan Azrad , "jerinj@marvell.com" , "rbhansali@marvell.com" , "ferruh.yigit@amd.com" Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000e51bc60625416b5c" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --000000000000e51bc60625416b5c Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, Oct 24, 2024 at 12:30=E2=80=AFPM Alexander Kozyrev wrote: > > >>And we definitely need RTE_PTYPE_INNER_L4_ESP for ESP over UDP support. > >Isn't this already taken care when mbuf->packet_type =3D > >(RTE_PTYPE_L4_UDP | RTE_PTYPE_TUNNEL_ESP) ? > > This is ambigous. And both UDP and ESP are L4 headers, > which can lead to the undefined behavior when we specify both of them. > They are mutually exclusive in our hardware, for example. > That is why we have RTE_PTYPE_TUNNEL_MPLS_IN_GRE and > RTE_PTYPE_TUNNEL_MPLS_IN_UDP for MPLS. > We could go and indroduce RTE_PTYPE_TUNNEL_ESP_IN_UDP > to resolve the ambiguity, or have RTE_PTYPE_INNER_L4_ESP. > I choose the second variant to have a generic way for > ESP packets over any type of encapsulation. The choice sounds reasonable to me. > --000000000000e51bc60625416b5c Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQdgYJKoZIhvcNAQcCoIIQZzCCEGMCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3NMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 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