From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 97923A00E6 for ; Tue, 9 Jul 2019 17:00:02 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 596FA1B951; Tue, 9 Jul 2019 17:00:02 +0200 (CEST) Received: from mail-pg1-f194.google.com (mail-pg1-f194.google.com [209.85.215.194]) by dpdk.org (Postfix) with ESMTP id 79FE11B951 for ; Tue, 9 Jul 2019 17:00:01 +0200 (CEST) Received: by mail-pg1-f194.google.com with SMTP id t132so9574018pgb.9 for ; Tue, 09 Jul 2019 08:00:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5U6SgIC+4mXO8KZGItcQgemZmgMnAJvCognm73yb1ro=; b=yh9H+hQpkFzmksjGntmuWAX1ZzfOhvG5tbiG0khj0AkaMqEL9UQNns1mhfPrzUQbRw LIou9RjiDNig+oH/QDt2wJmXy8jOoQqFcbSKygqDodTz8N8XoIBJtWluPICWO/lTqdvH R8drJOFHkwwxUPqwUoKuTWTykcmyzOgePEQSGrVIrH82/IhhsoAdhiRBTLEg0MNwJ/bS 4kLDiHM7mFqa3DsSkNb2n67vylYxFfc6nv5/43Ii2Mk5cFWHfesi4/8goYLO5x+Y5sZI fBhAxnyMNHGhmpaE4vQQSXGslERHNnggRbjCmHo//7JUy0B/E7SwqegPLkbfFIk7kJjQ hskA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5U6SgIC+4mXO8KZGItcQgemZmgMnAJvCognm73yb1ro=; b=guvcpMvzsOsPKGrgSL1MSB8l5UvYgxcFPBSjDFN2EdSTtfaf5peCH0SW/ND8zz5qOs Nqtlz5RG5Ta1qWFjaUK/VXzRuOl1RgMsDR99qACoNODCOOMPMNT8Ns/EvWtKGwU7lhE9 c9q7N2LWOi6f0QtUT8EltwdKW2AuzxbdyHRf0baaDVtrOVRSRKq/vWfs7ix/h10zJ923 Y/O03NdLW5wSOr9A2Xd19MHhAXj8yis35xtkhfkp5aFjtOW0xeHwz1R43M7UMyP9TZ3B m64+Wk6RYxLoV+c7zv4KENNuykMiiL9ohDox2sYIWDjoyGsYpz8oIsB/pbq4JlH6OmVg GpMg== X-Gm-Message-State: APjAAAWn89Hw7YcwnlQlFhkT0pHtQoHGZN05wKn9soF3wRM7YAZdQ0py mg4T7aquLU/1aOEgk3lUDG0NCA== X-Google-Smtp-Source: APXvYqxpl7OGwCJ4J1paXxoWXD7XTvOD1sHWgHxUEaIlNmE6ImnKKeXoKI6NFSOASOc6diOuUpOpbw== X-Received: by 2002:a17:90a:30cf:: with SMTP id h73mr635603pjb.42.1562684400497; Tue, 09 Jul 2019 08:00:00 -0700 (PDT) Received: from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id b16sm22547067pfo.54.2019.07.09.08.00.00 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 09 Jul 2019 08:00:00 -0700 (PDT) Date: Tue, 9 Jul 2019 07:59:53 -0700 From: Stephen Hemminger To: Bruce Richardson Cc: dev@dpdk.org, thomas@monjalon.net, olivier.matz@6wind.com Message-ID: <20190709075953.3118d965@hermes.lan> In-Reply-To: <20190709145836.43493-1-bruce.richardson@intel.com> References: <20190709145836.43493-1-bruce.richardson@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH] doc: deprecation notice for change of ether struct alignment X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Tue, 9 Jul 2019 15:58:36 +0100 Bruce Richardson wrote: > The ethernet address structure alignment will be changed to 2B alignment in > 19.11. Flag this to users. > > Impact is expected to be minimal for this change since ethernet addresses > are generally 2B aligned anyway. > > Signed-off-by: Bruce Richardson > --- > doc/guides/rel_notes/deprecation.rst | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst > index a7796f49b..7a04b9b09 100644 > --- a/doc/guides/rel_notes/deprecation.rst > +++ b/doc/guides/rel_notes/deprecation.rst > @@ -11,6 +11,11 @@ API and ABI deprecation notices are to be posted here. > Deprecation Notices > ------------------- > > +* net: The alignment of the ethernet address structure in DPDK, > + ``rte_ether_addr`` will be increased to two, i.e. 16-bit aligned, in the > + 19.11 release. This will only affect any data structures where an ethernet > + address is currently aligned on a single byte boundary. > + > * meson: The minimum supported version of meson for configuring and building > DPDK will be increased to v0.47.1 (from 0.41) from DPDK 19.05 onwards. For > those users with a version earlier than 0.47.1, an updated copy of meson We should also take the packed off of ether_header and ether_addr. Packed is meaningless on ether_addr anyway.