From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id AB72B3572 for ; Mon, 1 Apr 2019 21:10:14 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Apr 2019 12:10:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,297,1549958400"; d="scan'208";a="334024857" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.46]) ([10.237.221.46]) by fmsmga005.fm.intel.com with ESMTP; 01 Apr 2019 12:10:09 -0700 To: Nithin Kumar Dabilpuram , Wenzhuo Lu , Jingjing Wu , Bernard Iremonger Cc: "dev@dpdk.org" , "xiao.w.wang@intel.com" References: <20190219064840.12046-1-ndabilpuram@marvell.com> <20190318095613.28167-1-ndabilpuram@marvell.com> <2df6ee75-8330-7e3e-673c-71b030a57416@intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [EXT] Re: [PATCH v2 1/2] app/testpmd: fix tx vlan and qinq dependency 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: , X-List-Received-Date: Mon, 01 Apr 2019 19:10:15 -0000 On 3/31/2019 7:58 PM, Nithin Kumar Dabilpuram wrote: > Hi Ferruh Yigit, > > Sorry, missed to see your inline comment about the check in v1. > >>> @@ tx_vlan_set(portid_t port_id, uint16_t vlan_id) >>> if (vlan_id_is_invalid(vlan_id)) >>> return; >>> >>> - vlan_offload = rte_eth_dev_get_vlan_offload(port_id); >>> - if (vlan_offload & ETH_VLAN_EXTEND_OFFLOAD) { >>> - printf("Error, as QinQ has been enabled.\n"); >>> - return; >>> - } > >> Here I think intention is if QINQ is enabled 'tx_vlan_id' & 'tx_vlan_id_outer' >> should be set by tx_qinq_set() not 'tx_vlan_set', and check is for that. > >> What do you think keeping same logic? >> But of course check should be if 'ports[port_id].dev_conf.txmode.offloads' has 'DEV_TX_OFFLOAD_QINQ_INSERT' instead of above check. > > Since tx_vlan_set() and tx_qinq_set() are they themselves are resetting/setting those flags in 'ports[port_id].dev_conf.txmode.offloads', > do you think having such a check before clearing and setting flags be consistent ? > Current behavior is to override last setting with new setting. All the settings could be completely disabled by cmdline "tx vlan reset" When QINQ offload is enabled: 'vlan_id' & 'vlan_id_outer' should be set together via 'tx_qinq_set()' This is "tx_vlan set " command When VLAN offload is enabled: 'vlan_id' should be set via 'tx_vlan_set()' This is "tx_vlan set " command basically, the check above is to prevent to setting only 'vlan_id' once both " " set. I don't know the main reason of the intention of current implementation, I assume it is to help user to prevent make mistake. This patch is to prevent 'ETH_VLAN_EXTEND_OFFLOAD' dependency, I believe it makes sense. But my concern this patch is also changing above intention silently, and if we should keep the intention? If you think that QINQ protection is also should removed, that is OK, only please make it separate patch with describing the impact. Thanks, ferruh > > -- > Thanks > Nithin > > > > -----Original Message----- > From: Ferruh Yigit > Sent: Thursday, March 21, 2019 10:41 PM > To: Nithin Kumar Dabilpuram ; Wenzhuo Lu ; Jingjing Wu ; Bernard Iremonger > Cc: dev@dpdk.org; xiao.w.wang@intel.com > Subject: [EXT] Re: [dpdk-dev] [PATCH v2 1/2] app/testpmd: fix tx vlan and qinq dependency > > External Email > > ---------------------------------------------------------------------- > On 3/18/2019 9:56 AM, Nithin Kumar Dabilpuram wrote: >> Tx VLAN & QinQ insert enable need not depend on Rx VLAN offload >> ETH_VLAN_EXTEND_OFFLOAD. >> >> Fixes: 6a34f91690d0 ("app/testpmd: fix error message when setting Tx >> VLAN") >> Cc: xiao.w.wang@intel.com >> >> Signed-off-by: Nithin Dabilpuram > > <...> > >> @@ -2963,11 +2962,6 @@ tx_vlan_set(portid_t port_id, uint16_t vlan_id) >> if (vlan_id_is_invalid(vlan_id)) >> return; >> >> - vlan_offload = rte_eth_dev_get_vlan_offload(port_id); >> - if (vlan_offload & ETH_VLAN_EXTEND_OFFLOAD) { >> - printf("Error, as QinQ has been enabled.\n"); >> - return; >> - } > > It looks like you didn't take account comment on this in previous version, can you please check it? > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id CCF16A0679 for ; Mon, 1 Apr 2019 21:10:22 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0AAD64C93; Mon, 1 Apr 2019 21:10:18 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id AB72B3572 for ; Mon, 1 Apr 2019 21:10:14 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Apr 2019 12:10:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,297,1549958400"; d="scan'208";a="334024857" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.46]) ([10.237.221.46]) by fmsmga005.fm.intel.com with ESMTP; 01 Apr 2019 12:10:09 -0700 To: Nithin Kumar Dabilpuram , Wenzhuo Lu , Jingjing Wu , Bernard Iremonger Cc: "dev@dpdk.org" , "xiao.w.wang@intel.com" References: <20190219064840.12046-1-ndabilpuram@marvell.com> <20190318095613.28167-1-ndabilpuram@marvell.com> <2df6ee75-8330-7e3e-673c-71b030a57416@intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; prefer-encrypt=mutual; keydata= mQINBFXZCFABEADCujshBOAaqPZpwShdkzkyGpJ15lmxiSr3jVMqOtQS/sB3FYLT0/d3+bvy qbL9YnlbPyRvZfnP3pXiKwkRoR1RJwEo2BOf6hxdzTmLRtGtwWzI9MwrUPj6n/ldiD58VAGQ +iR1I/z9UBUN/ZMksElA2D7Jgg7vZ78iKwNnd+vLBD6I61kVrZ45Vjo3r+pPOByUBXOUlxp9 GWEKKIrJ4eogqkVNSixN16VYK7xR+5OUkBYUO+sE6etSxCr7BahMPKxH+XPlZZjKrxciaWQb +dElz3Ab4Opl+ZT/bK2huX+W+NJBEBVzjTkhjSTjcyRdxvS1gwWRuXqAml/sh+KQjPV1PPHF YK5LcqLkle+OKTCa82OvUb7cr+ALxATIZXQkgmn+zFT8UzSS3aiBBohg3BtbTIWy51jNlYdy ezUZ4UxKSsFuUTPt+JjHQBvF7WKbmNGS3fCid5Iag4tWOfZoqiCNzxApkVugltxoc6rG2TyX CmI2rP0mQ0GOsGXA3+3c1MCdQFzdIn/5tLBZyKy4F54UFo35eOX8/g7OaE+xrgY/4bZjpxC1 1pd66AAtKb3aNXpHvIfkVV6NYloo52H+FUE5ZDPNCGD0/btFGPWmWRmkPybzColTy7fmPaGz cBcEEqHK4T0aY4UJmE7Ylvg255Kz7s6wGZe6IR3N0cKNv++O7QARAQABtCVGZXJydWggWWln aXQgPGZlcnJ1aC55aWdpdEBpbnRlbC5jb20+iQJVBBMBAgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBNI2U4dCLsKE45mBx/kz60PfE2EfBQJbughWBQkHwjOGAAoJEPkz60Pf E2Eft84QAIbKWqhgqRfoiw/BbXbA1+qm2o4UgkCRQ0yJgt9QsnbpOmPKydHH0ixCliNz1J8e mRXCkMini1bTpnzp7spOjQGLeAFkNFz6BMq8YF2mVWbGEDE9WgnAxZdi0eLY7ZQnHbE6AxKL SXmpe9INb6z3ztseFt7mqje/W/6DWYIMnH3Yz9KzxujFWDcq8UCAvPkxVQXLTMpauhFgYeEx Nub5HbvhxTfUkapLwRQsSd/HbywzqZ3s/bbYMjj5JO3tgMiM9g9HOjv1G2f1dQjHi5YQiTZl 1eIIqQ3pTic6ROaiZqNmQFXPsoOOFfXF8nN2zg8kl/sSdoXWHhama5hbwwtl1vdaygQYlmdK H2ueiFh/UvT3WG3waNv2eZiEbHV8Rk52Xyn2w1G90lV0fYC6Ket1Xjoch7kjwbx793Kz/RfQ rmBY8/S4DTGn3oq3dMdQY+b6+7VMUeLMMh2CXYO9ErkOq+qNTD1IY+cBAkXnaDbQfz0zbste ZGWH74FAZ9nCpDOqbRTrBL42aMGhfOWEyeA1x7+hl6JZfabBWAuf4nnCXuorKHzBXTrf7u7p fXsKQClWRW77PF1VmzrtKNVSytQAmlCWApQIw20AarFipXmVdIjHmJPU611WoyxZPb4JTOxx 5cv9B+nr/RIB+v5dcStyHCCwO1be7nBDdCgd4F6kTQPLuQINBFfWTL4BEACnNA29e8TarUsB L5n6eLZHXcFvVwNLVlirWOClHXf44o2KnN3ww+eBEmKVfEFo9MSuGDNHS8Zw1NiGMYxLIUgd U6gGrVVs/VrQWL82pbMk6jCj98N+BXIri+6K1z+AImz7ax7iF1kDgRAnFWU0znWWBgM2mM8Y gDjcxfXk4sCKnvf6Gjo08Ey5zmqx7dekAKU2EEp8Q1EJY3jbymLdZWRP4AFFMTS1rGMk0/tt v71NBg1GobCcbNfn9chK/jhqxYhAJqq86RdJQkt3/9x1U1Oq0vXCt4JVVHmkxePtUiuWTTt+ aYlUAsKYZsWvncExvw77x2ArYDmaK0yfjh37wp0lY7DOJHFxoyT8tyWZlLci/VMRG2Ja33xj 0CN4C1yBg+QDeV3QFxQo42iA/ykdXPUR3ezmsND3XKvVLTC4DNb3V/EZQ7jBj64+bEK0VW4G B31VP00ApNQvSoczsIOAKdk97RNbpmPw6q10ILIB+9T1xbnFYzshzGF17oC0/GENIHATx8vZ masOZoDiOZQpeneLgnFE9JfzhLTxv6wNZcc/HLXRQVTkDsQr8ERtkAoHCf1E5+b5Yr7pfnE4 YuhET746o25S53ELUYPIs49qoJsEJL34/oexMfPGyPIlrbufiNyty5jc/1MRwUlhJlJ5IOHy ZUa+6CLR7GdImusFkPJUJwARAQABiQI8BBgBAgAmAhsMFiEE0jZTh0IuwoTjmYHH+TPrQ98T YR8FAlu6CHAFCQXE7zIACgkQ+TPrQ98TYR9nXxAAqNBgkYNyGuWUuy0GwDQCbu3iiMyH1+D7 llafPcK4NYy1Z4AYuVwC9nmLaoj+ozdqS3ncRo57ncRsKEJC46nDJJZYZ5LSJVn63Y3NBF86 lxQAgjj2oyZEwaLKtKbAFsXL43jv1pUGgSvWwYtDwHITXXFQto9rZEuUDRFSx4sg9OR+Q6/6 LY+nQQ3OdHlBkflzYMPcWgDcvcTAO6yasLEUf7UcYoSWTyMYjLB4QuNlXzTswzGVMssJF/vo V8lD1eqqaSUWG3STF6GVLQOr1NLvN5+kUBiEStHFxBpgSCvYY9sNV8FS6N24CAWMBl+10W+D 2h1yiiP5dOdPcBDYKsgqDD91/sP0WdyMJkwdQJtD49f9f+lYloxHnSAxMleOpyscg1pldw+i mPaUY1bmIknLhhkqfMmjywQOXpac5LRMibAAYkcB8v7y3kwELnt8mhqqZy6LUsqcWygNbH/W K3GGt5tRpeIXeJ25x8gg5EBQ0Jnvp/IbBYQfPLtXH0Myq2QuAhk/1q2yEIbVjS+7iowEZNyE 56K63WBJxsJPB2mvmLgn98GqB4G6GufP1ndS0XDti/2K0o8rep9xoY/JDGi0n0L0tk9BHyoP Y7kaEpu7UyY3nVdRLe5H1/MnFG8hdJ97WqnPS0buYZlrbTV0nRFL/NI2VABl18vEEXvNQiO+ vM8= Message-ID: <47a1867d-9cf5-e3c7-2020-f845430b38ea@intel.com> Date: Mon, 1 Apr 2019 20:10:09 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [EXT] Re: [PATCH v2 1/2] app/testpmd: fix tx vlan and qinq dependency 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" Message-ID: <20190401191009.p_jA-s9EliAWv9ZvElwlWOhveI5hsWKyH-5KJRibJns@z> On 3/31/2019 7:58 PM, Nithin Kumar Dabilpuram wrote: > Hi Ferruh Yigit, > > Sorry, missed to see your inline comment about the check in v1. > >>> @@ tx_vlan_set(portid_t port_id, uint16_t vlan_id) >>> if (vlan_id_is_invalid(vlan_id)) >>> return; >>> >>> - vlan_offload = rte_eth_dev_get_vlan_offload(port_id); >>> - if (vlan_offload & ETH_VLAN_EXTEND_OFFLOAD) { >>> - printf("Error, as QinQ has been enabled.\n"); >>> - return; >>> - } > >> Here I think intention is if QINQ is enabled 'tx_vlan_id' & 'tx_vlan_id_outer' >> should be set by tx_qinq_set() not 'tx_vlan_set', and check is for that. > >> What do you think keeping same logic? >> But of course check should be if 'ports[port_id].dev_conf.txmode.offloads' has 'DEV_TX_OFFLOAD_QINQ_INSERT' instead of above check. > > Since tx_vlan_set() and tx_qinq_set() are they themselves are resetting/setting those flags in 'ports[port_id].dev_conf.txmode.offloads', > do you think having such a check before clearing and setting flags be consistent ? > Current behavior is to override last setting with new setting. All the settings could be completely disabled by cmdline "tx vlan reset" When QINQ offload is enabled: 'vlan_id' & 'vlan_id_outer' should be set together via 'tx_qinq_set()' This is "tx_vlan set " command When VLAN offload is enabled: 'vlan_id' should be set via 'tx_vlan_set()' This is "tx_vlan set " command basically, the check above is to prevent to setting only 'vlan_id' once both " " set. I don't know the main reason of the intention of current implementation, I assume it is to help user to prevent make mistake. This patch is to prevent 'ETH_VLAN_EXTEND_OFFLOAD' dependency, I believe it makes sense. But my concern this patch is also changing above intention silently, and if we should keep the intention? If you think that QINQ protection is also should removed, that is OK, only please make it separate patch with describing the impact. Thanks, ferruh > > -- > Thanks > Nithin > > > > -----Original Message----- > From: Ferruh Yigit > Sent: Thursday, March 21, 2019 10:41 PM > To: Nithin Kumar Dabilpuram ; Wenzhuo Lu ; Jingjing Wu ; Bernard Iremonger > Cc: dev@dpdk.org; xiao.w.wang@intel.com > Subject: [EXT] Re: [dpdk-dev] [PATCH v2 1/2] app/testpmd: fix tx vlan and qinq dependency > > External Email > > ---------------------------------------------------------------------- > On 3/18/2019 9:56 AM, Nithin Kumar Dabilpuram wrote: >> Tx VLAN & QinQ insert enable need not depend on Rx VLAN offload >> ETH_VLAN_EXTEND_OFFLOAD. >> >> Fixes: 6a34f91690d0 ("app/testpmd: fix error message when setting Tx >> VLAN") >> Cc: xiao.w.wang@intel.com >> >> Signed-off-by: Nithin Dabilpuram > > <...> > >> @@ -2963,11 +2962,6 @@ tx_vlan_set(portid_t port_id, uint16_t vlan_id) >> if (vlan_id_is_invalid(vlan_id)) >> return; >> >> - vlan_offload = rte_eth_dev_get_vlan_offload(port_id); >> - if (vlan_offload & ETH_VLAN_EXTEND_OFFLOAD) { >> - printf("Error, as QinQ has been enabled.\n"); >> - return; >> - } > > It looks like you didn't take account comment on this in previous version, can you please check it? >