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 E1EE1A0353; Tue, 5 Nov 2019 13:43:05 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 38550378E; Tue, 5 Nov 2019 13:43:05 +0100 (CET) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 4C08D2C08 for ; Tue, 5 Nov 2019 13:43:03 +0100 (CET) X-Virus-Scanned: Proofpoint Essentials engine 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-us5.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 2777618005C; Tue, 5 Nov 2019 12:43:01 +0000 (UTC) Received: from [192.168.38.17] (91.220.146.112) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 5 Nov 2019 12:42:49 +0000 To: Thomas Monjalon CC: Pavan Nikhilesh Bhagavatula , "dev@dpdk.org" , "ferruh.yigit@intel.com" , "Jerin Jacob Kollanukkaran" , John McNamara , Marko Kovacevic References: <55a8ec94-bfe8-d132-5122-d322f83f02b2@solarflare.com> <2639486.gPBSui7x2o@xps> From: Andrew Rybchenko Openpgp: preference=signencrypt Autocrypt: addr=arybchenko@solarflare.com; keydata= mQINBF2681gBEACbdTxu8eLL3UX2oAelsnK9GkeaJeUYSOHPJQpV7RL/iaIskqTwBRnhjXt7 j9UEwGA+omnOmqQMpeQTb/F9Ma2dYE+Hw4/t/1KVjxr3ehFaASvwR4fWJfO4e2l/Rk4rG6Yi 5r6CWU2y8su2654Fr8KFc+cMGOAgKoZTZHZsRy5lHpMlemeF+VZkv8L5sYJWPnsypgqlCG3h v6lbtfZs+QqYbFH6bqoZwBAl5irmxywGR7ZJr1GLUZZ1lfdazSY8r6Vz0/Ip/KVxGu2uxo81 QCsAj0ZsQtwji9Sds/prTiPrIjx8Fc/tfbnAuVuPcnPbczwCJACzQr4q26XATL3kVuZhSBWh 4XfO/EAUuEq5AemUG5DDTM87g7Lp4eT9gMZB6P+rJwWPNWTiV3L7Cn+fO+l9mTPnOqdzBgDe OaulKiNSft1o0DY4bGzOmM2ad2cZt0jfnbMPMTE9zsr6+RFa+M8Ct20o6U1MUE4vP6veErMK of4kZ8PdoMM+Sq1hxMPNtlcVBSP9xMmdSZPlfDYI5VWosOceEcz7XZdjBJKdwKuz70V7eac4 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<89d0178f-0335-6def-799c-50c6863f8433@solarflare.com> Date: Tue, 5 Nov 2019 15:42:45 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <2639486.gPBSui7x2o@xps> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Language: en-GB X-Originating-IP: [91.220.146.112] X-ClientProxiedBy: ocex03.SolarFlarecom.com (10.20.40.36) To ukex01.SolarFlarecom.com (10.17.10.4) X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.5.1010-25022.003 X-TM-AS-Result: No-10.707600-8.000000-10 X-TMASE-MatchedRID: gzVbiXtWD9vmLzc6AOD8DfHkpkyUphL9MVx/3ZYby79vmq6agcbc/AMr pdyjFVP6gQPplANqhc1nORQhWUHrmys5yZfasL7DimHWEC28pk33+mUqDWUKyNK+dKlL2BxApk7 y/M9wHOcTFpfVJhj8uJApSpxqFQl8Jda7ktb7ayUdH0i86TRKYUPIlAqA4/DEJ1wWZpKFYUlfSp Iq1KtJUDGGq3PsKEnMzYM+wH827W4vjtMPTTOa8grgwFF/sjummdrHMkUHHq9KddiF2Wo8eZqG6 AqjBmI1F3zGB4TkDtwoMSpqJmWSOKo9NRZVgWnavHKClHGjjr0Ea8g1x8eqFzi//dZ3YI25F+j6 hUTY8i/WHkTq5aK1m/9Wkj62CydKEKoJj3lSGHGsxwwrc2bx2TQAl7cHmp8G9+uwncHF5Cj5ILU afG56IVDra+NWZjHVanlqO3o/fig6aGO/0WQI9t7SWiiWSV/1yeUl7aCTy8hJaWCS2wuWO6PFjJ EFr+olA9Mriq0CDAgBi3kqJOK62QtuKBGekqUpI/NGWt0UYPCzYYNTONJBlG6LOi2YMY6MfbHuc ubky7wremh8AnSNYIftLOr9opV3 X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--10.707600-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1010-25022.003 X-MDID: 1572957782-Fu7ft_CB-2F6 Subject: Re: [dpdk-dev] [PATCH v15 1/7] ethdev: add set ptype function 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 11/2/19 1:25 AM, Thomas Monjalon wrote: > 01/11/2019 11:55, Andrew Rybchenko: >> On 10/31/19 7:38 PM, Pavan Nikhilesh Bhagavatula wrote: >>>> 29/10/2019 16:37, pbhagavatula@marvell.com: >>>>> From: Pavan Nikhilesh >>>>> Removed Items >>>>> ------------- >>>>> --- a/lib/librte_ethdev/rte_ethdev.h >>>>> +++ b/lib/librte_ethdev/rte_ethdev.h >>>>> +/** >>>>> + * @warning >>>>> + * @b EXPERIMENTAL: this API may change without prior notice. >>>>> + * >>>>> + * Inform Ethernet device of the packet types classification the >>>> recipient is >>>>> + * interested in. >>>> This is a bit convoluted. >>>> What about this? >>>> "Optimize driver handling of packet types by reducing its range." >>> @arybchenko@solarflare.com Thoughts? >> Optimize is a possible side effect of the operation, but there is >> no any promise that something will be optimized. >> I thought that current description explains what happens. >> Below statements try to explain why it may be useful. >> Any other options? > "Reduce range of packet types to handle." OK >>>>> + * Application can use this function to set only specific ptypes that it's >>>>> + * interested. This information can be used by the PMD to optimize >>>> Rx path. >>>>> + * >>>>> + * The function accepts an array `set_ptypes` allocated by the caller >>>> to >>>>> + * store the packet types set by the driver, the last element of the >>>> array >>>>> + * is set to RTE_PTYPE_UNKNOWN. The size of the `set_ptype` array >>>> should be >>>>> + * `rte_eth_dev_get_supported_ptypes() + 1` else it might only be >>>> filled >>>>> + * partially. >>>>> + * >>>>> + * @param port_id >>>>> + * The port identifier of the Ethernet device. >>>>> + * @param ptype_mask >>>>> + * The ptype family that application is interested in should be >>>> bitwise OR of >>>>> + * RTE_PTYPE_*_MASK or 0. >>>>> + * @param set_ptypes >>>>> + * An array pointer to store set packet types, allocated by caller. The >>>>> + * function marks the end of array with RTE_PTYPE_UNKNOWN. >>>>> + * @param num >>>>> + * Size of the array pointed by param ptypes. >>>>> + * Should be rte_eth_dev_get_supported_ptypes() + 1 to >>>> accommodate the >>>>> + * set ptypes. >>>>> + * @return >>>>> + * - (0) if Success. >>>>> + * - (-ENODEV) if *port_id* invalid. >>>>> + * - (-EINVAL) if *ptype_mask* is invalid (or) set_ptypes is NULL and >>>>> + * num > 0. >>>>> + */ >>>> John, please you check the English wording? >>>> >>>>> +__rte_experimental >>>>> +int rte_eth_dev_set_supported_ptypes(uint16_t port_id, uint32_t >>>> ptype_mask, >>>>> + uint32_t *set_ptypes, unsigned int >>>> num); >>>> >>>> I don't like the name of the function because they are >>>> not "supported" packet types but "requested". >>>> What about replacing "set_supported" with "set_allowed", or >>>> "white_list"? >>> "white_list" seems ok but hope it doesn't call for blacklisting API. >> "white_list" suggests that it is guaranteed that nothing else will >> be reported. At least for me. However, I agree that set_supported >> is not nice and I accepted it just to keep API naming symmetric. >> May be it is really misleading here. May be just: rte_eth_dev_set_ptypes()? > Maybe the word "allowed" would better fit? allowed could be treated as everything else is disallowed. So, I'm not sure.