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 04191A04AB; Thu, 7 Nov 2019 20:41:12 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id ED0291BF86; Thu, 7 Nov 2019 20:41:11 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id BB49B1BF4E for ; Thu, 7 Nov 2019 20:41:09 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Nov 2019 11:41:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,279,1569308400"; d="scan'208";a="233374799" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.96]) ([10.237.221.96]) by fmsmga002.fm.intel.com with ESMTP; 07 Nov 2019 11:41:04 -0800 To: Jerin Jacob Cc: Pavan Nikhilesh , Andrew Rybchenko , jerinj@marvell.com, thomas@monjalon.net, Wenzhuo Lu , Jingjing Wu , Bernard Iremonger , John McNamara , Marko Kovacevic , dev@dpdk.org References: <20191029153722.4547-1-pbhagavatula@marvell.com> <20191106191803.15098-1-pbhagavatula@marvell.com> <20191106191803.15098-9-pbhagavatula@marvell.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v16 8/8] app/testpmd: add command to set supported ptype mask 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 11/7/2019 6:55 PM, Jerin Jacob wrote: > > > On Fri, 8 Nov, 2019, 12:10 am Ferruh Yigit, > wrote: > > On 11/6/2019 7:18 PM, pbhagavatula@marvell.com > wrote: > > From: Pavan Nikhilesh > > > > > Add command to set supported ptype mask. > > Usage: > >       set port ptype_mask >  /* *************** > >  > >  /* list of instructions */ > > @@ -19155,6 +19237,7 @@ cmdline_parse_ctx_t main_ctx[] = { > >       (cmdline_parse_inst_t *)&cmd_show_vf_stats, > >       (cmdline_parse_inst_t *)&cmd_clear_vf_stats, > >       (cmdline_parse_inst_t *)&cmd_show_port_supported_ptypes, > > +     (cmdline_parse_inst_t *)&cmd_set_port_ptypes, > >       (cmdline_parse_inst_t *)&cmd_ptype_mapping_get, > >       (cmdline_parse_inst_t *)&cmd_ptype_mapping_replace, > >       (cmdline_parse_inst_t *)&cmd_ptype_mapping_reset, > > diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c > > index 5ba974162..812aebf35 100644 > > --- a/app/test-pmd/testpmd.c > > +++ b/app/test-pmd/testpmd.c > > @@ -2024,6 +2024,7 @@ start_port(portid_t pid) > >       queueid_t qi; > >       struct rte_port *port; > >       struct rte_ether_addr mac_addr; > > +     static uint8_t clr_ptypes = 1; > >  > >       if (port_id_is_invalid(pid, ENABLED_WARN)) > >               return 0; > > @@ -2153,6 +2154,10 @@ start_port(portid_t pid) > >                       } > >               } > >               configure_rxtx_dump_callbacks(verbose_level); > > +             if (clr_ptypes) { > > +                     clr_ptypes = 0; > > +                     rte_eth_dev_set_ptypes(pi, RTE_PTYPE_UNKNOWN, NULL, 0); > > +             } > > I am not sure about this command, we have now capability to set/disable ptypes > on demand, why disabling them by default? > > > As forward engines are not using the ptype offload. If a specific forward mode > need the offload, it can be enabled. > OK, I am still not sure but I understand your reasoning. But this is a behavior change and it may caught people, what about following more operational updates: - Separate this into its own patch, this is different than adding new command - move "clr_ptypes" next to other static global variables, to make this selection more obvious, and those global variables tend to have some comments, we can add comment to this one as well. - print a log when "rte_eth_dev_set_ptypes()" returns success, to say packets types parsing is disabled, to help user to understand what is happening. Because currently there is no other way to get the current configured ptypes from PMD.