From owner-freebsd-arch@freebsd.org Wed Oct 21 17:29:59 2020 Return-Path: Delivered-To: freebsd-arch@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 07157428B17 for ; Wed, 21 Oct 2020 17:29:59 +0000 (UTC) (envelope-from khng@freebsdfoundation.org) Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CGcvB2Pk2z4YfB for ; Wed, 21 Oct 2020 17:29:58 +0000 (UTC) (envelope-from khng@freebsdfoundation.org) Received: by mail-lf1-x132.google.com with SMTP id d24so4107387lfa.8 for ; Wed, 21 Oct 2020 10:29:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=/QPATkfuhiJSNGIHFIvEsoDS9O7mg+HUlbRMHEPtc3c=; b=MmmvJUCeSIfV57o+LKClW7i/N31/O2+DWnh3RV3YSa+lGIkY20ypbcd64k4+QbchW/ Mdl007aPol6EXcqSwvFwOTSNbpKddK+xb1v641YYxROXzdiXV10rR73jH0cuwXNdwyOa B+wS4RF/3UzxTQ8jOecipaODlsyKZvs+hzwT39mEyP7TkvsmljZ/WsbJTeJoA0toZAhE VLd/nwHOF6qaE/Gk7I3S6X1Xsjmln6XrWDHuPXbUN0+SF2vsTcF35bcjFrnjkJ8qiuo8 Cn5P4Qpci5VnB3YDgchcFqom6868nDpJOcWkdzpXhdV9i9xQesCVO3KUn/lA/JhCnzcN Gy1A== X-Gm-Message-State: AOAM531VdmAZHoUHF4NB7ugi1AcxNiqbXZkqUNzHfJuf/JWrIq72C+D/ Pvo0cFCb9FRM/aOy8pEJurKfq8MuH35j0mqSSgitSWz7Xl1ENr2R X-Google-Smtp-Source: ABdhPJzxlxzn1ZidXcwOvjl6blHDoIkU+LPz4elU/ijiAgrI4RU/L4V6kekbYLA2BOAG0q6wSxlWZNoHUtdmMAMdi+U= X-Received: by 2002:a19:c3cf:: with SMTP id t198mr1507934lff.461.1603301395606; Wed, 21 Oct 2020 10:29:55 -0700 (PDT) MIME-Version: 1.0 From: Ka Ho Ng Date: Thu, 22 Oct 2020 01:29:43 +0800 Message-ID: Subject: A draft API on sndstat IOCTLs To: freebsd-arch@freebsd.org Cc: hselasky@freebsd.org, lwhsu@freebsd.org X-Rspamd-Queue-Id: 4CGcvB2Pk2z4YfB X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.44 / 15.00]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; TO_DN_NONE(0.00)[]; DKIM_TRACE(0.00)[freebsdfoundation.org:+]; DMARC_POLICY_ALLOW(-0.50)[freebsdfoundation.org,quarantine]; NEURAL_HAM_SHORT(-0.41)[-0.411]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.02)[-1.018]; R_DKIM_ALLOW(-0.20)[freebsdfoundation.org:s=gfnp-20170908]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.01)[-1.007]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arch@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::132:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-arch] X-Mailman-Approved-At: Wed, 21 Oct 2020 17:56:58 +0000 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Oct 2020 17:29:59 -0000 Hi all, I have proposed a draft API on sndstat IOCTLs. The IOCTL commands are nvlist-based, and the goal of these IOCTLs aims at eliminating text parsing as a generic user space API. Here is the link to the differential: https://reviews.freebsd.org/D26884. A piece of sample code is also provided to demonstrate the usage of the IOCTLs. Regards, Ka Ho