From: "Guo, Junfeng" <junfeng.guo@intel.com>
To: Ferruh Yigit <ferruh.yigit@amd.com>,
"Zhang, Qi Z" <qi.z.zhang@intel.com>,
"Wu, Jingjing" <jingjing.wu@intel.com>,
"Xing, Beilei" <beilei.xing@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"Li, Xiaoyun" <xiaoyun.li@intel.com>,
"awogbemila@google.com" <awogbemila@google.com>,
"Richardson, Bruce" <bruce.richardson@intel.com>,
"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
"stephen@networkplumber.org" <stephen@networkplumber.org>,
"Xia, Chenbo" <chenbo.xia@intel.com>,
"Zhang, Helin" <helin.zhang@intel.com>
Subject: RE: [PATCH v7 8/8] net/gve: add support for Rx/Tx
Date: Mon, 24 Oct 2022 13:25:26 +0000 [thread overview]
Message-ID: <DM6PR11MB37235B56C50821A91B731BC8E72E9@DM6PR11MB3723.namprd11.prod.outlook.com> (raw)
In-Reply-To: <9a880154-2d0a-46c2-74e8-541b49f8b0f2@amd.com>
> -----Original Message-----
> From: Ferruh Yigit <ferruh.yigit@amd.com>
> Sent: Monday, October 24, 2022 18:50
> To: Guo, Junfeng <junfeng.guo@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>; Xing,
> Beilei <beilei.xing@intel.com>
> Cc: dev@dpdk.org; Li, Xiaoyun <xiaoyun.li@intel.com>;
> awogbemila@google.com; Richardson, Bruce
> <bruce.richardson@intel.com>; hemant.agrawal@nxp.com;
> stephen@networkplumber.org; Xia, Chenbo <chenbo.xia@intel.com>;
> Zhang, Helin <helin.zhang@intel.com>
> Subject: Re: [PATCH v7 8/8] net/gve: add support for Rx/Tx
>
> On 10/24/2022 6:04 AM, Guo, Junfeng wrote:
> >
> >
> >> -----Original Message-----
> >> From: Ferruh Yigit <ferruh.yigit@amd.com>
> >> Sent: Friday, October 21, 2022 17:52
> >> To: Guo, Junfeng <junfeng.guo@intel.com>; Zhang, Qi Z
> >> <qi.z.zhang@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>;
> >> ferruh.yigit@xilinx.com; Xing, Beilei <beilei.xing@intel.com>
> >> Cc: dev@dpdk.org; Li, Xiaoyun <xiaoyun.li@intel.com>;
> >> awogbemila@google.com; Richardson, Bruce
> >> <bruce.richardson@intel.com>; hemant.agrawal@nxp.com;
> >> stephen@networkplumber.org; Xia, Chenbo <chenbo.xia@intel.com>;
> >> Zhang, Helin <helin.zhang@intel.com>
> >> Subject: Re: [PATCH v7 8/8] net/gve: add support for Rx/Tx
> >>
> >> On 10/21/2022 10:19 AM, Junfeng Guo wrote:
> >>
> >>>
> >>> Add Rx/Tx of GQI_QPL queue format and GQI_RDA queue format.
> >>>
> >>> Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
> >>> Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
> >>
> >> <...>
> >>
> >>> +
> >>> +static inline void
> >>> +gve_tx_clean_swr_qpl(struct gve_tx_queue *txq)
> >>> +{
> >>> + uint32_t start = txq->sw_ntc;
> >>> + uint32_t ntc, nb_clean;
> >>> +
> >>> + ntc = txq->sw_tail;
> >>> +
> >>> + if (ntc == start)
> >>> + return;
> >>> +
> >>> + /* if wrap around, free twice. */
> >>> + if (ntc < start) {
> >>> + nb_clean = txq->nb_tx_desc - start;
> >>> + if (nb_clean > GVE_TX_MAX_FREE_SZ)
> >>> + nb_clean = GVE_TX_MAX_FREE_SZ;
> >>> + gve_free_bulk_mbuf(&txq->sw_ring[start], nb_clean);
> >>> +
> >>> + txq->sw_nb_free += nb_clean;
> >>> + start += nb_clean;
> >>> + if (start == txq->nb_tx_desc)
> >>> + start = 0;
> >>> + txq->sw_ntc = start;
> >>> + }
> >>> +
> >>> + if (ntc > start) {
> >>> + nb_clean = ntc - start;
> >>> + if (nb_clean > GVE_TX_MAX_FREE_SZ)
> >>> + nb_clean = GVE_TX_MAX_FREE_SZ;
> >>> + gve_free_bulk_mbuf(&txq->sw_ring[start], nb_clean);
> >>> + txq->sw_nb_free += nb_clean;
> >>> + start += nb_clean;
> >>> + txq->sw_ntc = start;
> >>> + }
> >>> +}
> >>
> >> [copy/paste from previous version]
> >>
> >> may be can drop the 'if' block, since "ntc == start" and "ntc < start"
> >> cases already covered.
> >
> > Yes, this 'if' block is dropped in v7 as suggested. Thanks!
> >
>
> This is v7 and please check above code which has the mentioned 'if'
> block exist, do you mean in coming v8?
Oh, sorry about this! There is another function with the same issue.
I just updated the code there and forgot this. Will update this and
check for the rest in the coming version. Thanks!
>
> >>
> >> <...>
> >>
> >>> +uint16_t
> >>> +gve_tx_burst(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t
> >> nb_pkts)
> >>> +{
> >>> + struct gve_tx_queue *txq = tx_queue;
> >>> +
> >>> + if (txq->is_gqi_qpl)
> >>> + return gve_tx_burst_qpl(tx_queue, tx_pkts, nb_pkts);
> >>> +
> >>> + return gve_tx_burst_ra(tx_queue, tx_pkts, nb_pkts);
> >>> +}
> >>> +
> >>
> >> [copy/paste from previous version]
> >>
> >> Can there be mix of queue types?
> >> If only one queue type is supported in specific config, perhaps burst
> >> function can be set during configuration, to prevent if check on
> datapath.
> >>
> >> This is optimization and can be done later, it doesn't have to be in the
> >> set.
> >
> > The exact queue type can be fetched from the backend via adminq
> > in priv->queue_format. So there won't be mix of the queue types.
> > Currently, only GQI_QPL and GQI_RDA queue format are supported
> > in PMD. Also, only GQI_QPL queue format is in use on GCP since
> > GQI_RDA hasn't been released in production.
> > This part code will be optimized/refactored later when involving
> > the queue type DQO_RDA. Thanks!
> >
next prev parent reply other threads:[~2022-10-24 13:25 UTC|newest]
Thread overview: 192+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-29 19:30 [PATCH 00/10] introduce GVE PMD Xiaoyun Li
2022-07-29 19:30 ` [PATCH 01/10] net/gve: introduce GVE PMD base code Xiaoyun Li
2022-07-29 22:42 ` Stephen Hemminger
2022-07-29 22:45 ` Stephen Hemminger
2022-08-23 8:44 ` Guo, Junfeng
2022-08-29 8:41 ` [PATCH v2 00/10] introduce GVE PMD Junfeng Guo
2022-08-29 8:41 ` [PATCH v2 01/10] net/gve: introduce GVE PMD base code Junfeng Guo
2022-09-01 17:19 ` Ferruh Yigit
2022-09-01 18:23 ` Stephen Hemminger
2022-09-01 20:49 ` Thomas Monjalon
2022-09-06 9:31 ` Guo, Junfeng
2022-09-14 10:38 ` Thomas Monjalon
2022-08-29 8:41 ` [PATCH v2 02/10] net/gve: add logs and OS specific implementation Junfeng Guo
2022-09-01 17:20 ` Ferruh Yigit
2022-09-07 6:58 ` Guo, Junfeng
2022-09-07 11:16 ` Ferruh Yigit
2022-09-08 8:09 ` Guo, Junfeng
2022-08-29 8:41 ` [PATCH v2 03/10] net/gve: support device initialization Junfeng Guo
2022-09-01 17:21 ` Ferruh Yigit
2022-09-23 9:38 ` Guo, Junfeng
2022-09-01 17:22 ` Ferruh Yigit
2022-08-29 8:41 ` [PATCH v2 04/10] net/gve: add link update support Junfeng Guo
2022-09-01 17:23 ` Ferruh Yigit
2022-09-23 9:38 ` Guo, Junfeng
2022-08-29 8:41 ` [PATCH v2 05/10] net/gve: add MTU set support Junfeng Guo
2022-08-29 8:41 ` [PATCH v2 06/10] net/gve: add queue operations Junfeng Guo
2022-08-29 8:41 ` [PATCH v2 07/10] net/gve: add Rx/Tx support Junfeng Guo
2022-08-29 8:41 ` [PATCH v2 08/10] net/gve: add support to get dev info and configure dev Junfeng Guo
2022-09-01 17:23 ` Ferruh Yigit
2022-09-23 9:38 ` Guo, Junfeng
2022-08-29 8:41 ` [PATCH v2 09/10] net/gve: add stats support Junfeng Guo
2022-09-01 17:24 ` Ferruh Yigit
2022-09-23 9:38 ` Guo, Junfeng
2022-08-29 8:41 ` [PATCH v2 10/10] doc: update documentation Junfeng Guo
2022-09-01 17:20 ` Ferruh Yigit
2022-09-23 9:38 ` [PATCH v3 0/9] introduce GVE PMD Junfeng Guo
2022-09-23 9:38 ` [PATCH v3 1/9] net/gve: introduce GVE PMD base code Junfeng Guo
2022-09-23 18:57 ` Stephen Hemminger
2022-09-27 7:27 ` Guo, Junfeng
2022-09-23 18:58 ` Stephen Hemminger
2022-09-27 7:27 ` Guo, Junfeng
2022-09-27 7:32 ` [PATCH v4 0/9] introduce GVE PMD Junfeng Guo
2022-09-27 7:32 ` [PATCH v4 1/9] net/gve/base: introduce GVE PMD base code Junfeng Guo
2022-10-06 14:19 ` Ferruh Yigit
2022-10-09 9:14 ` Guo, Junfeng
2022-10-10 10:17 ` [PATCH v5 0/8] introduce GVE PMD Junfeng Guo
2022-10-10 10:17 ` [PATCH v5 1/8] net/gve/base: introduce GVE PMD base code Junfeng Guo
2022-10-19 13:45 ` Ferruh Yigit
2022-10-19 15:13 ` Hemant Agrawal
2022-10-19 15:18 ` Ferruh Yigit
2022-10-20 3:33 ` Hemant Agrawal
2022-10-19 15:48 ` Li, Xiaoyun
2022-10-19 20:52 ` Ferruh Yigit
2022-10-20 8:50 ` Li, Xiaoyun
2022-10-20 10:36 ` [PATCH v6 0/8] introduce GVE PMD Junfeng Guo
2022-10-20 10:36 ` [PATCH v6 1/8] net/gve/base: introduce GVE PMD base code Junfeng Guo
2022-10-20 14:39 ` Ferruh Yigit
2022-10-24 2:10 ` Guo, Junfeng
2022-10-20 14:40 ` Ferruh Yigit
2022-10-24 2:10 ` Guo, Junfeng
2022-10-20 10:36 ` [PATCH v6 2/8] net/gve/base: add OS specific implementation Junfeng Guo
2022-10-20 10:36 ` [PATCH v6 3/8] net/gve: add support for device initialization Junfeng Guo
2022-10-20 14:42 ` Ferruh Yigit
2022-10-24 2:10 ` Guo, Junfeng
2022-10-20 10:36 ` [PATCH v6 4/8] net/gve: add support for link update Junfeng Guo
2022-10-20 10:36 ` [PATCH v6 5/8] net/gve: add support for MTU setting Junfeng Guo
2022-10-20 14:45 ` Ferruh Yigit
2022-10-24 2:10 ` Guo, Junfeng
2022-10-20 10:36 ` [PATCH v6 6/8] net/gve: add support for dev info get and dev configure Junfeng Guo
2022-10-20 14:45 ` Ferruh Yigit
2022-10-24 2:10 ` Guo, Junfeng
2022-10-20 10:36 ` [PATCH v6 7/8] net/gve: add support for queue operations Junfeng Guo
2022-10-20 10:36 ` [PATCH v6 8/8] net/gve: add support for Rx/Tx Junfeng Guo
2022-10-20 14:47 ` Ferruh Yigit
2022-10-24 2:10 ` Guo, Junfeng
2022-10-21 9:19 ` [PATCH v7 0/8] introduce GVE PMD Junfeng Guo
2022-10-21 9:19 ` [PATCH v7 1/8] net/gve/base: introduce base code Junfeng Guo
2022-10-21 9:49 ` Ferruh Yigit
2022-10-24 5:04 ` Guo, Junfeng
2022-10-24 10:47 ` Ferruh Yigit
2022-10-24 13:23 ` Guo, Junfeng
2022-10-24 10:50 ` Ferruh Yigit
2022-10-24 13:26 ` Guo, Junfeng
2022-10-25 9:07 ` [PATCH v8 0/8] introduce GVE PMD Junfeng Guo
2022-10-25 9:07 ` [PATCH v8 1/8] net/gve/base: introduce base code Junfeng Guo
2022-10-25 9:07 ` [PATCH v8 2/8] net/gve/base: add OS specific implementation Junfeng Guo
2022-10-25 9:07 ` [PATCH v8 3/8] net/gve: add support for device initialization Junfeng Guo
2022-10-25 9:07 ` [PATCH v8 4/8] net/gve: add support for link update Junfeng Guo
2022-10-25 9:07 ` [PATCH v8 5/8] net/gve: add support for MTU setting Junfeng Guo
2022-10-25 15:55 ` Stephen Hemminger
2022-10-26 2:15 ` Guo, Junfeng
2022-10-25 9:07 ` [PATCH v8 6/8] net/gve: add support for dev info get and dev configure Junfeng Guo
2022-10-25 9:07 ` [PATCH v8 7/8] net/gve: add support for queue operations Junfeng Guo
2022-10-25 9:07 ` [PATCH v8 8/8] net/gve: add support for Rx/Tx Junfeng Guo
2022-10-25 12:33 ` [PATCH v8 0/8] introduce GVE PMD Ferruh Yigit
2022-10-26 2:05 ` Guo, Junfeng
2022-10-21 9:19 ` [PATCH v7 2/8] net/gve/base: add OS specific implementation Junfeng Guo
2022-10-21 9:19 ` [PATCH v7 3/8] net/gve: add support for device initialization Junfeng Guo
2022-10-21 9:49 ` Ferruh Yigit
2022-10-24 5:04 ` Guo, Junfeng
2022-10-24 10:47 ` Ferruh Yigit
2022-10-24 13:22 ` Guo, Junfeng
2022-10-21 9:19 ` [PATCH v7 4/8] net/gve: add support for link update Junfeng Guo
2022-10-21 9:19 ` [PATCH v7 5/8] net/gve: add support for MTU setting Junfeng Guo
2022-10-21 9:50 ` Ferruh Yigit
2022-10-24 5:04 ` Guo, Junfeng
2022-10-24 10:47 ` Ferruh Yigit
2022-10-24 13:23 ` Guo, Junfeng
2022-10-21 9:19 ` [PATCH v7 6/8] net/gve: add support for dev info get and dev configure Junfeng Guo
2022-10-21 9:51 ` Ferruh Yigit
2022-10-24 5:04 ` Guo, Junfeng
2022-10-24 10:48 ` Ferruh Yigit
2022-10-24 13:23 ` Guo, Junfeng
2022-10-21 9:19 ` [PATCH v7 7/8] net/gve: add support for queue operations Junfeng Guo
2022-10-21 9:19 ` [PATCH v7 8/8] net/gve: add support for Rx/Tx Junfeng Guo
2022-10-21 9:52 ` Ferruh Yigit
2022-10-24 5:04 ` Guo, Junfeng
2022-10-24 10:50 ` Ferruh Yigit
2022-10-24 13:25 ` Guo, Junfeng [this message]
2022-10-25 9:07 ` Guo, Junfeng
2022-10-21 13:12 ` [PATCH v7 0/8] introduce GVE PMD Ferruh Yigit
2022-10-24 10:50 ` Ferruh Yigit
2022-10-24 13:25 ` Guo, Junfeng
2022-10-10 10:17 ` [PATCH v5 2/8] net/gve/base: add OS specific implementation Junfeng Guo
2022-10-10 10:17 ` [PATCH v5 3/8] net/gve: add support for device initialization Junfeng Guo
2022-10-19 13:46 ` Ferruh Yigit
2022-10-19 15:59 ` Li, Xiaoyun
2022-10-19 21:00 ` Ferruh Yigit
2022-10-20 9:29 ` Guo, Junfeng
2022-10-20 11:15 ` Ferruh Yigit
2022-10-21 4:46 ` Guo, Junfeng
2022-10-19 13:47 ` Ferruh Yigit
2022-10-19 14:02 ` Xia, Chenbo
2022-10-19 14:24 ` Zhang, Helin
2022-10-19 21:16 ` Ferruh Yigit
2022-10-19 16:20 ` Li, Xiaoyun
2022-10-10 10:17 ` [PATCH v5 4/8] net/gve: add support for link update Junfeng Guo
2022-10-10 10:17 ` [PATCH v5 5/8] net/gve: add support for MTU setting Junfeng Guo
2022-10-19 13:47 ` Ferruh Yigit
2022-10-20 10:14 ` Guo, Junfeng
2022-10-10 10:17 ` [PATCH v5 6/8] net/gve: add support for dev info get and dev configure Junfeng Guo
2022-10-19 13:49 ` Ferruh Yigit
2022-10-20 9:29 ` Guo, Junfeng
2022-10-20 11:19 ` Ferruh Yigit
2022-10-21 5:22 ` Guo, Junfeng
2022-10-10 10:17 ` [PATCH v5 7/8] net/gve: add support for queue operations Junfeng Guo
2022-10-10 10:17 ` [PATCH v5 8/8] net/gve: add support for Rx/Tx Junfeng Guo
2022-10-19 13:47 ` Ferruh Yigit
2022-10-20 9:34 ` Guo, Junfeng
2022-09-27 7:32 ` [PATCH v4 2/9] net/gve/base: add logs and OS specific implementation Junfeng Guo
2022-10-06 14:20 ` Ferruh Yigit
2022-10-09 9:14 ` Guo, Junfeng
2022-09-27 7:32 ` [PATCH v4 3/9] net/gve: add support for device initialization Junfeng Guo
2022-10-06 14:22 ` Ferruh Yigit
2022-10-09 9:14 ` Guo, Junfeng
2022-09-27 7:32 ` [PATCH v4 4/9] net/gve: add support for link update Junfeng Guo
2022-10-06 14:23 ` Ferruh Yigit
2022-10-09 9:14 ` Guo, Junfeng
2022-09-27 7:32 ` [PATCH v4 5/9] net/gve: add support for MTU setting Junfeng Guo
2022-09-27 7:32 ` [PATCH v4 6/9] net/gve: add support for queue operations Junfeng Guo
2022-09-27 7:32 ` [PATCH v4 7/9] net/gve: add support for Rx/Tx Junfeng Guo
2022-10-06 14:24 ` Ferruh Yigit
2022-10-09 9:14 ` Guo, Junfeng
2022-10-10 9:39 ` Li, Xiaoyun
2022-10-10 10:18 ` Guo, Junfeng
2022-09-27 7:32 ` [PATCH v4 8/9] net/gve: add support for dev info get and dev configure Junfeng Guo
2022-10-06 14:25 ` Ferruh Yigit
2022-10-09 9:14 ` Guo, Junfeng
2022-09-27 7:32 ` [PATCH v4 9/9] net/gve: add support for stats Junfeng Guo
2022-10-06 14:25 ` Ferruh Yigit
2022-10-09 9:15 ` Guo, Junfeng
2022-09-23 9:38 ` [PATCH v3 2/9] net/gve: add logs and OS specific implementation Junfeng Guo
2022-09-23 19:01 ` Stephen Hemminger
2022-09-27 7:27 ` Guo, Junfeng
2022-09-23 9:38 ` [PATCH v3 3/9] net/gve: support device initialization Junfeng Guo
2022-09-23 9:38 ` [PATCH v3 4/9] net/gve: add link update support Junfeng Guo
2022-09-23 9:38 ` [PATCH v3 5/9] net/gve: add MTU set support Junfeng Guo
2022-09-23 9:38 ` [PATCH v3 6/9] net/gve: add queue operations Junfeng Guo
2022-09-23 9:38 ` [PATCH v3 7/9] net/gve: add Rx/Tx support Junfeng Guo
2022-09-23 9:38 ` [PATCH v3 8/9] net/gve: add support to get dev info and configure dev Junfeng Guo
2022-09-23 9:38 ` [PATCH v3 9/9] net/gve: add stats support Junfeng Guo
2022-09-01 17:19 ` [PATCH v2 00/10] introduce GVE PMD Ferruh Yigit
2022-09-07 2:09 ` Guo, Junfeng
2022-07-29 19:30 ` [PATCH 02/10] net/gve: add logs and OS specific implementation Xiaoyun Li
2022-07-29 19:30 ` [PATCH 03/10] net/gve: support device initialization Xiaoyun Li
2022-07-29 19:30 ` [PATCH 04/10] net/gve: add link update support Xiaoyun Li
2022-07-29 19:30 ` [PATCH 05/10] net/gve: add MTU set support Xiaoyun Li
2022-07-29 19:30 ` [PATCH 06/10] net/gve: add queue operations Xiaoyun Li
2022-07-29 19:30 ` [PATCH 07/10] net/gve: add Rx/Tx support Xiaoyun Li
2022-07-29 19:30 ` [PATCH 08/10] net/gve: add support to get dev info and configure dev Xiaoyun Li
2022-07-29 19:30 ` [PATCH 09/10] net/gve: add stats support Xiaoyun Li
2022-07-29 19:30 ` [PATCH 10/10] doc: update documentation Xiaoyun Li
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