From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id F2AA61B04C for ; Mon, 8 Jan 2018 07:00:38 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Jan 2018 22:00:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,329,1511856000"; d="scan'208";a="191217402" Received: from fmsmsx104.amr.corp.intel.com ([10.18.124.202]) by orsmga005.jf.intel.com with ESMTP; 07 Jan 2018 22:00:37 -0800 Received: from fmsmsx125.amr.corp.intel.com (10.18.125.40) by fmsmsx104.amr.corp.intel.com (10.18.124.202) with Microsoft SMTP Server (TLS) id 14.3.319.2; Sun, 7 Jan 2018 22:00:36 -0800 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by FMSMSX125.amr.corp.intel.com (10.18.125.40) with Microsoft SMTP Server (TLS) id 14.3.319.2; Sun, 7 Jan 2018 22:00:37 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.213]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.218]) with mapi id 14.03.0319.002; Mon, 8 Jan 2018 14:00:35 +0800 From: "Zhang, Helin" To: "Dai, Wei" , "Wu, Jingjing" , "Xing, Beilei" CC: "dev@dpdk.org" Thread-Topic: [PATCH v9] net/i40e: determine number of queues per VF during run time Thread-Index: AQHTfl/hEt7b/foEnkqtctNV0i4SWaNpjubg Date: Mon, 8 Jan 2018 06:00:34 +0000 Message-ID: References: <1514202309-56359-1-git-send-email-wei.dai@intel.com> <1514301894-58374-1-git-send-email-wei.dai@intel.com> In-Reply-To: <1514301894-58374-1-git-send-email-wei.dai@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v9] net/i40e: determine number of queues per VF during run time 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, 08 Jan 2018 06:00:39 -0000 > -----Original Message----- > From: Dai, Wei > Sent: Tuesday, December 26, 2017 11:25 PM > To: Wu, Jingjing; Xing, Beilei; Zhang, Helin > Cc: dev@dpdk.org; Dai, Wei > Subject: [PATCH v9] net/i40e: determine number of queues per VF during ru= n > time >=20 > Without this patch, the number of queues per i40e VF is defined as 4 by > CONFIG_RTE_LIBRTE_I40E_QUEUE_NUM_PER_VF=3D4 in config/common_base. > It is fixed value determined in building time and can't be changed during= run > time. > With this patch, the number of queues per i40e VF can be determinated dur= ing > run time. For example, if the PCI address of an i40e PF is aaaa:bb.cc, wi= th the > EAL parameter -w aaaa:bb.cc,queue-num-per-vf=3D8 , the number of queues p= er > VF created from this PF is 8. > If there is no "queue-num-per-vf" setting in EAL parameters, it is 4 by d= efault as > before. And if the value after the "queue-num-per-vf" > is invalid, it is set as 4 forcibly. The valid values include 1, 2, 4, 8,= 16 . >=20 > Signed-off-by: Wei Dai > Acked-by: Konstantin Ananyev > --- > v9: > v9 =3D v8+v7, is a complete version for maintainer's convenience. > v8: > As v7 patch has been accepted into dpdk-next-net-intel, this patch > is based on v7 patch. > add description in i40e document > fix the last member of valid_keys[] for rte_kvargs_parse( ) > add RTE_PMD_REGISTER_PARAM_STRING for this feature > v7: > use the macro instead of natural number > correct git log message as the EAL parameter is only valid for PF > v6: > fix a small bug when detecting end character of strtoul > v5: > fix git log message and WARNING of coding stype > v4: > use rte_kvargs instead of pervious parsing function; > use malloc/free instead of rte_zmalloc/rte_free. > v3: > fix WARNING of coding style issues from checkpatch@dpdk.org > v2: > fix WARNING of coding style issues from checkpatch@dpdk.org > --- > config/common_base | 1 - > doc/guides/nics/i40e.rst | 12 ++++--- > drivers/net/i40e/i40e_ethdev.c | 75 > +++++++++++++++++++++++++++++++++++++++--- > 3 files changed, 78 insertions(+), 10 deletions(-) BTW, I think release notes should be updated for your modifications.