From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id C5E4EA0093 for ; Thu, 17 Mar 2022 17:05:47 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4C165407FF; Thu, 17 Mar 2022 17:05:47 +0100 (CET) Received: from mail-vk1-f174.google.com (mail-vk1-f174.google.com [209.85.221.174]) by mails.dpdk.org (Postfix) with ESMTP id D4C424067B for ; Thu, 17 Mar 2022 17:05:45 +0100 (CET) Received: by mail-vk1-f174.google.com with SMTP id az23so3129111vkb.0 for ; Thu, 17 Mar 2022 09:05:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=2jD2sNZ/c1fe5FigRyVKTKELe6BLhPcsmLzPmCWQ1NI=; b=qXZqrTDEnuleNGjaKSoWwsq0Kg+z1sFvi5TZ5hWcDUpur/Tia7wkyDmBaZwSMGqMA2 0lY8cquGRJUB1THMzRc/W/0cj75/MGHdXPEIjVqbHu+2ShUbfkRoI8wk24NLGeZv7eyV q8T+jcGVjjdusy2YTKIdrdNbRMff5iT808nHBrL8/MLEVH04xujKtSc5OZBDs0kzqWwk gAaDXuLSrTulrhHetk9qMzGBDlJQjlPeyBCYJ57jaZ0FI69L+jU17T8wNcT+wCq2ybF8 IfXPSS73lfP+hcwz27PZfws6ZboD5KTzLx0Kdme8gVWJl/EEUVM0mUZJnqXAAJPqqgPb gTLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=2jD2sNZ/c1fe5FigRyVKTKELe6BLhPcsmLzPmCWQ1NI=; b=l2cH0uLlaU7w0xH60aUhb8i2rq00VHjXMCpwljWgetnF/GMlK3SpIPkuWUsjjsRCDm fOx9NclArhcLNf+uHOPxUo5QdbVY11NvEtyBkRd3cIwUQdGgeYnzBhFA/buw4SD7ozhy 9p/eWH0x1K01uY77OgMbkGxYybFCQYXNALJ+boKWM5GBifzLV2bN5rGK7vTovUGfw2zk GnD9kwr/v+XH+ZUrl8865gSHdyWdG9c3yl9GG5f1I/82u9j1pDAHQQLwt4zo+wGJdfaJ u8hN03pmQvoZCmtOsxMopYx50sB1tX2s72czjLU2HbSOuJi5XU0H4/l29dW/Br5T7DjZ 2k0Q== X-Gm-Message-State: AOAM530sdfZimKCzw+ioYoGcYnVLnlJoh86EBoHPSvf0g46raGnhE7k9 LJzEzmy/sLy4ed321+NUfJeYIP7GCVw7dYS3CTPcDwCisac= X-Google-Smtp-Source: ABdhPJyTvLK/Pu4NefIMH3tapXDd666yPmgVdynXQXHcbSlT1r7Jmjqwveq05jVJVJw6xCavtUe1OXl0DJcGP32J0gA= X-Received: by 2002:a05:6122:8c8:b0:32a:7010:c581 with SMTP id 8-20020a05612208c800b0032a7010c581mr2150020vkg.32.1647533144633; Thu, 17 Mar 2022 09:05:44 -0700 (PDT) MIME-Version: 1.0 From: fwefew 4t4tg <7532yahoo@gmail.com> Date: Thu, 17 Mar 2022 12:05:33 -0400 Message-ID: Subject: need definitions / references To: users@dpdk.org Content-Type: multipart/alternative; boundary="000000000000d77a8c05da6c337f" X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org --000000000000d77a8c05da6c337f Content-Type: text/plain; charset="UTF-8" DPDK provides but does not define (that I can see at least) these TXQ config fields. What are these fields what do they do? https://doc.dpdk.org/api/structrte__eth__thresh.html uint8_t pthresh uint8_t hthresh uint8_t wthresh And here: What is the RS bit? https://doc.dpdk.org/api/structrte__eth__txconf.html uint16_t tx_rs_thresh. And some what unrelated: What is a ``doorbell"? this is something I continue to run into esp. in Mellanox NIC papers? Doorbell counts are reported for AWS NICs at least with xstats api: tx_q0_doorbells: 18812 tx_q1_doorbells: 18861 --000000000000d77a8c05da6c337f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
DPDK provides but does not define (that I can see at least= ) these TXQ config fields. What are these fields=C2=A0what do they do?
<= br>https:/= /doc.dpdk.org/api/structrte__eth__thresh.html
uint8_t pthresh
ui= nt8_t hthresh
uint8_t wthresh

And here: What is the RS bit?
= https://do= c.dpdk.org/api/structrte__eth__txconf.html
uint16_t tx_rs_thresh.= =C2=A0

And some what=C2=A0unrelated: What is a ``doorbell"? thi= s is something I continue to run into esp. in Mellanox NIC papers? Doorbell= counts are reported for AWS NICs at least with xstats api:
tx_q0_doorbells: 18812
tx_q1_doorbells: 18861

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