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GET /api/patches/56797/?format=api
{ "id": 56797, "url": "http://patches.dpdk.org/api/patches/56797/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20190719165631.9235-1-stephen@networkplumber.org/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20190719165631.9235-1-stephen@networkplumber.org>", "list_archive_url": "https://inbox.dpdk.org/dev/20190719165631.9235-1-stephen@networkplumber.org", "date": "2019-07-19T16:56:31", "name": "[v2] doc: add deprecation notice about changes to ethernet structures", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "d9d0c435afdee3e581665d89ebb60187366f85a0", "submitter": { "id": 27, "url": "http://patches.dpdk.org/api/people/27/?format=api", "name": "Stephen Hemminger", "email": "stephen@networkplumber.org" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20190719165631.9235-1-stephen@networkplumber.org/mbox/", "series": [ { "id": 5626, "url": "http://patches.dpdk.org/api/series/5626/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=5626", "date": "2019-07-19T16:56:31", "name": "[v2] doc: add deprecation notice about changes to ethernet structures", "version": 2, "mbox": "http://patches.dpdk.org/series/5626/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/56797/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/56797/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id CFFE55B3E;\n\tFri, 19 Jul 2019 18:56:40 +0200 (CEST)", "from mail-pg1-f193.google.com (mail-pg1-f193.google.com\n\t[209.85.215.193]) by dpdk.org (Postfix) with ESMTP id A416EA3\n\tfor <dev@dpdk.org>; Fri, 19 Jul 2019 18:56:39 +0200 (CEST)", "by mail-pg1-f193.google.com with SMTP id x15so4378563pgg.8\n\tfor <dev@dpdk.org>; Fri, 19 Jul 2019 09:56:39 -0700 (PDT)", "from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127])\n\tby smtp.gmail.com with ESMTPSA id\n\tf19sm42012533pfk.180.2019.07.19.09.56.37\n\t(version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256);\n\tFri, 19 Jul 2019 09:56:37 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=networkplumber-org.20150623.gappssmtp.com; s=20150623;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references\n\t:mime-version:content-transfer-encoding;\n\tbh=FCVug+nHrfiESS3pEEiid6B7VTjfUj0rEEbEEe79TW8=;\n\tb=G74bn1gChD5TujhPLhEqHrQDOWiF3JG2v7B5ZHa8gRcJJNsDL0hQQn6VKNw56aYKKN\n\t5p/Lrgw7xyvmk2xcEi7hbntxxs8IxTQ6hZO1YPcgMEbUOuYdE2VHDgQCbJiXzo2tI97p\n\tFxcK9JVEHyCmpyUF0oxNRNP7eQNgJGopoY3r2pI8OY6LqHvmu1NBV16oedqKYqHCzp+E\n\tbxq+aPEMh1gk5Zyc4xzNQq7p3fKpF8pmeQ3ubIQuBQyVi9MfKSNHD92C6F3KY4H2beio\n\tXcqlGNB+Qa1k1QYbr/A6CmJR7Y3w4ETidYo/LKSFPpMlTS+sFLnGcVVlHh/2mK6194VE\n\tQRdA==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references:mime-version:content-transfer-encoding;\n\tbh=FCVug+nHrfiESS3pEEiid6B7VTjfUj0rEEbEEe79TW8=;\n\tb=lTCdS9rvKipbSzp9xSWxDbQ3Mmx222EFMegLapy/9t/WCgQkkdYpl5IgKs4ysMO5Ck\n\tIdOG+5fobUA3ZaCFtJbH7OnLGSMci9/CZzNXYlB/o/hT4fwxjSqxCUhxlObVu2MPVq63\n\tJlxLYxwqFnfpsKLMA6XQX+OpC/q08vCiXNlQl+3WP+XPOr8OmDjf6Nzfk27hfQORmAdJ\n\tRGZNCkuoow14aEylm45+82Gm2FVY0a1h1bIRW1HcNOU1ym1xLPb5sYZIFIeEX+aXOx9y\n\tffMXe+oivUgVWQcQKASIcEaPyqX51I+DX9r007c6BCcwU5RPXZk8TJRRymfTiNyHPWFb\n\tj4Yg==", "X-Gm-Message-State": "APjAAAUrMnj15vNPb1JpF7P6vv4ueKcIJiwUrcyBI/jMyxNGDhd5nmhG\n\t4AqKcjMEPueaSMgcl8Q9m572wQRK", "X-Google-Smtp-Source": "APXvYqxoHg+zwdPJ7g5BLzkHDWpv9/7ZHufXn0CR6YPSwJv8nh/LT7b65hXjiJg8LV+a0LS8eu+dMw==", "X-Received": "by 2002:a17:90a:22aa:: with SMTP id\n\ts39mr58580883pjc.39.1563555398601; \n\tFri, 19 Jul 2019 09:56:38 -0700 (PDT)", "From": "Stephen Hemminger <stephen@networkplumber.org>", "To": "dev@dpdk.org", "Cc": "Stephen Hemminger <stephen@networkplumber.org>,\n\tBruce Richardson <bruce.richardson@intel.com>", "Date": "Fri, 19 Jul 2019 09:56:31 -0700", "Message-Id": "<20190719165631.9235-1-stephen@networkplumber.org>", "X-Mailer": "git-send-email 2.20.1", "In-Reply-To": "<20190709150257.GB497@bricha3-MOBL.ger.corp.intel.com>", "References": "<20190709150257.GB497@bricha3-MOBL.ger.corp.intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH v2] doc: add deprecation notice about changes to\n\tethernet structures", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<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>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Tell users about upcoming changes to rte_ether_addr and\nrte_ether_header.\n\nSigned-off-by: Stephen Hemminger <stephen@networkplumber.org>\nAcked-by: Bruce Richardson <bruce.richardson@intel.com>\n---\nv2 - reword and fix spelling\n\n doc/guides/rel_notes/deprecation.rst | 10 ++++++++++\n 1 file changed, 10 insertions(+)", "diff": "diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst\nindex a7796f49b9fe..307f831cee60 100644\n--- a/doc/guides/rel_notes/deprecation.rst\n+++ b/doc/guides/rel_notes/deprecation.rst\n@@ -82,3 +82,13 @@ Deprecation Notices\n to set new power environment if power environment was already initialized.\n In this case the function will return -1 unless the environment is unset first\n (using ``rte_power_unset_env``). Other function usage scenarios will not change.\n+\n+* net: the Ethernet address and header definitions will change\n+ attributes. The Ethernet address struct will no longer be marked as\n+ packed since the packed attribute is meaningless on a byte\n+ array. The Ethernet header will be marked as aligned on a 2-byte\n+ boundary and will no longer have the packed attribute. This allows\n+ for efficient access on CPU architectures where unaligned access is\n+ expensive. These changes should not impact normal usage because drivers\n+ naturally align the Ethernet header on receive and all known\n+ encapsulations preserve the alignment of the header.\n", "prefixes": [ "v2" ] }