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 7FE6DA053A; Wed, 5 Aug 2020 15:44:43 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 464572C23; Wed, 5 Aug 2020 15:44:43 +0200 (CEST) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 9780E2B98 for ; Wed, 5 Aug 2020 15:44:41 +0200 (CEST) Received: from mx1-us1.ppe-hosted.com (unknown [10.7.65.64]) by dispatch1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 0F617600C8; Wed, 5 Aug 2020 13:44:41 +0000 (UTC) Received: from us4-mdac16-71.ut7.mdlocal (unknown [10.7.64.190]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 097382009B; Wed, 5 Aug 2020 13:44:41 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.7.65.200]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 7086022005C; Wed, 5 Aug 2020 13:44:40 +0000 (UTC) Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id DC2E8800065; Wed, 5 Aug 2020 13:44:39 +0000 (UTC) Received: from [192.168.38.17] (10.17.10.39) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 5 Aug 2020 14:44:31 +0100 To: Dekel Peled , "dev@dpdk.org" CC: "jerinjacobk@gmail.com" , "stephen@networkplumber.org" , "ajit.khaparde@broadcom.com" , "maxime.coquelin@redhat.com" , "olivier.matz@6wind.com" , "david.marchand@redhat.com" , "ferruh.yigit@intel.com" , Asaf Penso References: <50e5d2139368c54b414379b18a59ed46c12893f5.1596556981.git.dekelp@mellanox.com> From: Andrew Rybchenko Autocrypt: addr=arybchenko@solarflare.com; keydata= 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To ukex01.SolarFlarecom.com (10.17.10.4) X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.6.1012-25584.005 X-TM-AS-Result: No-18.404100-8.000000-10 X-TMASE-MatchedRID: gzVbiXtWD9vmLzc6AOD8DfHkpkyUphL9QfblIp3oBdEutoY2UtFqGGo7 rpYK/wcSoQKPzB4vzGTGWgPzQ8iQi5hSzQYumcTHbrJ9gVnOsZ0bQ57RP6lOUQpCjqVELlwV3oP 1/YZ27sDdTAmCcpzVLjFzuthJJGS7qo9iJUTmDAKwmuJu9uyFD8tEPnVvPlFkUx4Up3qvMKdAHO g8qEtqyMxZVy5VE4SVPgwkC2boTjb2a0gnUM1gb7bQFsbjObJeNV9S7O+u3KbmQJUUegCCe2x8w F/l95GAqfF1RDCUnyDtBsnOno4j1EXXa8P6Eue3sFkCLeeufNvdhJoeWdkvzbdzeFVfj3XZKUXR cEsnY+pvv63hOyb0sp7YVbeL2qW6uOyIN/9hcnQ5y1daw17SpTNMBMMaZwP+wrQeQFxkWNu4NcW VaRxFvvSNOlAltER4rzprBEsYaL2zx6eMpTJRS54CIKY/Hg3AtOt1ofVlaoLUHQeTVDUrIqHkM5 YY92pZgBG2xkavJmNJV3La6JhRYvoLR4+zsDTt9Ss5ONHRGPVpT9qA/9mlFLHHrr1077xyknu80 eRcistGYlo1nxuYfQ== X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--18.404100-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.6.1012-25584.005 X-MDID: 1596635080-m-a8en9-4WGj Subject: Re: [dpdk-dev] [PATCH] doc: announce change in ETH item struct 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 8/5/20 4:31 PM, Dekel Peled wrote: > Thanks, PSB. > >> -----Original Message----- >> From: Andrew Rybchenko >> Sent: Wednesday, August 5, 2020 1:49 PM >> To: Dekel Peled ; dev@dpdk.org >> Cc: jerinjacobk@gmail.com; stephen@networkplumber.org; >> ajit.khaparde@broadcom.com; maxime.coquelin@redhat.com; >> olivier.matz@6wind.com; david.marchand@redhat.com; >> ferruh.yigit@intel.com; Asaf Penso >> Subject: Re: [dpdk-dev] [PATCH] doc: announce change in ETH item struct >> >> On 8/4/20 7:01 PM, Dekel Peled wrote: >>> Struct rte_flow_item_eth will be modified to include additional >>> values, indicating existence or absence of VLAN headers following the >>> ETH header, as proposed in RFC >>> >> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmails. >> dpdk.org%2Farchives%2Fdev%2F2020- >> August%2F177349.html&data=02%7C01%7Cdekelp%40mellanox.com%7 >> C7d12c0524d434c10f35a08d8392d3f53%7Ca652971c7d2e4d9ba6a4d149256f46 >> 1b%7C0%7C0%7C637322213783925660&sdata=4rEXCifnCHd2%2FA6AU4 >> F3vjBcD7CfoTpT0traJ2z1fBk%3D&reserved=0. >>> Because of ABI break this change is proposed for 20.11. >>> >>> Signed-off-by: Dekel Peled >>> --- >>> 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 5201142..6241709 100644 >>> --- a/doc/guides/rel_notes/deprecation.rst >>> +++ b/doc/guides/rel_notes/deprecation.rst >>> @@ -115,6 +115,11 @@ Deprecation Notices >>> following the IPv6 header, as proposed in RFC >>> >> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmails. >> dpdk.org%2Farchives%2Fdev%2F2020- >> August%2F177257.html&data=02%7C01%7Cdekelp%40mellanox.com%7 >> C7d12c0524d434c10f35a08d8392d3f53%7Ca652971c7d2e4d9ba6a4d149256f46 >> 1b%7C0%7C0%7C637322213783925660&sdata=Ix4Y2vEXMoBek%2BkXw >> QazY11a9mkc3aiZRJDX9cbUiZk%3D&reserved=0. >>> >>> +* ethdev: The ``struct rte_flow_item_eth`` struct will be modified to >>> +include >>> + additional values, indicating existence or absence of VLAN headers >>> + following the ETH header, as proposed in RFC >>> + >> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmails. >> dpdk.org%2Farchives%2Fdev%2F2020- >> August%2F177349.html&data=02%7C01%7Cdekelp%40mellanox.com%7 >> C7d12c0524d434c10f35a08d8392d3f53%7Ca652971c7d2e4d9ba6a4d149256f46 >> 1b%7C0%7C0%7C637322213783925660&sdata=4rEXCifnCHd2%2FA6AU4 >> F3vjBcD7CfoTpT0traJ2z1fBk%3D&reserved=0. >> >> It is unclear how it will coexist with VLAN items in a pattern. > Same as the existing proto field coexist with following VLAN items. > >> Are you going to add consistency checks on ethdev-layer? > Not planned currently. IMHO, it is a must requirement if you introduce interface which has inter-dependencies and requires generic consistency check. It must be a part of ethdev, not every PMD. > >> >> Also it is unclear why both bit fields and a number are required. > I agree it is redundancy, added for flexibility, but can leave num_of_vlans only. > >> >> Referenced RFC lacks definition of S-VLAN anc C-VLAN in the context. Exact >> definition to avoid ambiguity. > These are well defined terms, I will add reference to spec. Basically, I agree that changes in the ETH item may be required and OK to acknowledge the deprecation notice without deep technical details. The only requirement is API backward compatibility (i.e. just recompiled code to take ABI changes into account must work). > >> >> So, it looks required to modify the structure, but I'd not stick to referenced >> RFC, since the result could differ a lot. May be reference it as just an >> example. > Thank you. > >