From patchwork Mon Nov 16 11:04:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= X-Patchwork-Id: 11908273 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F3D2C8301D for ; Mon, 16 Nov 2020 12:37:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA72D20855 for ; Mon, 16 Nov 2020 12:37:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="arpttuBX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729522AbgKPLFk (ORCPT ); Mon, 16 Nov 2020 06:05:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729240AbgKPLFk (ORCPT ); Mon, 16 Nov 2020 06:05:40 -0500 Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D57BC0613CF; Mon, 16 Nov 2020 03:05:40 -0800 (PST) Received: by mail-pf1-x442.google.com with SMTP id v12so13745742pfm.13; Mon, 16 Nov 2020 03:05:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=arubwLR39wvgedaDM18KCW1EiXPP/rkhc+cE3m9pRUQ=; b=arpttuBXgCNK8NuveOEyFxB11sLgtQKSPJGDk5dMDjFb8mteWokvYFb4DhH3GrGSZB xm4cNfV/pALl7OqvqmkWA0z4YWyLbzX/db9Tv/2wQ2k1dj7DiFGmwx9Awikc1W69VR81 PAx1goXsq+MorTaMppXZgycfeAUs3SINiJalrc/3slAy1u/oTzy/2K6G1iVhBONil5BY it7UHGVHSj0sW2yZPY29WQT32NfaLSYmTBBR8kghDVmfFRtQimCEnovI8OIJoegEDGFl sEG6RLuflVKGjtu1e99x8TbLJ6D85Hp1BEDXVX/tKVizTdrt/OZl+zA0LJECmoDhKmKJ douA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=arubwLR39wvgedaDM18KCW1EiXPP/rkhc+cE3m9pRUQ=; b=CYlfngTz7CPdwQBDtbnLE7+teAEGSMMseXJDJ1rBefLSj2Zl1LPMxj9mC3bs/ADSrh VwTOPjFLfPRj7U9zJLcnB2CF5UDOudYDfSORHupW8N3uoPJRCbumX2MZrNvnbfTTWFQ5 jXiUe7lTmzQ/BVmxi9nR/ZVW4DnMI51vU5qjotPi3N95MFucUVLnldKiAoTqBo1WxxjM fS95lxQc+2Ryehj57GhMmuXn3sv6QJu22yUQI8SYteMPkdIDZuX3fmveSdiyvziMHi21 0DdTvqGHFEqEDhcK76O/BkNjKLsv8ZrVFxU9WzLHE68BtYA8tW4MTJOkVZq2HmkFlGlL 19Lg== X-Gm-Message-State: AOAM533Wu9cm8KOMnZ2v/d4ItZj0uJtbzdF8C5ExBSLAVsir7+31Oj6k LmZpPZzE7Ly1wq/Ky16Dotnl7R1m4mjp1iL3 X-Google-Smtp-Source: ABdhPJx3rFlrtRYe9OGCmqPKAytXnBlOrTxVoLBVlon7W3fpR4vqlXQVwmGD+pFT3CgdAobodpWaYg== X-Received: by 2002:a63:5f17:: with SMTP id t23mr12773144pgb.190.1605524739474; Mon, 16 Nov 2020 03:05:39 -0800 (PST) Received: from btopel-mobl.ger.intel.com ([192.55.55.41]) by smtp.gmail.com with ESMTPSA id a23sm15752890pgv.35.2020.11.16.03.05.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Nov 2020 03:05:38 -0800 (PST) From: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= To: netdev@vger.kernel.org, bpf@vger.kernel.org Cc: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , magnus.karlsson@intel.com, ast@kernel.org, daniel@iogearbox.net, maciej.fijalkowski@intel.com, sridhar.samudrala@intel.com, jesse.brandeburg@intel.com, qi.z.zhang@intel.com, kuba@kernel.org, edumazet@google.com, jonathan.lemon@gmail.com, maximmi@nvidia.com Subject: [PATCH bpf-next v2 10/10] samples/bpf: add option to set the busy-poll budget Date: Mon, 16 Nov 2020 12:04:16 +0100 Message-Id: <20201116110416.10719-11-bjorn.topel@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201116110416.10719-1-bjorn.topel@gmail.com> References: <20201116110416.10719-1-bjorn.topel@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net From: Björn Töpel Support for the SO_BUSY_POLL_BUDGET setsockopt, via the batching option ('b'). Signed-off-by: Björn Töpel --- samples/bpf/xdpsock_user.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c index 09a9fc76f072..e4a1e82fcb22 100644 --- a/samples/bpf/xdpsock_user.c +++ b/samples/bpf/xdpsock_user.c @@ -1479,6 +1479,11 @@ static void apply_setsockopt(struct xsk_socket_info *xsk) if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_BUSY_POLL, (void *)&sock_opt, sizeof(sock_opt)) < 0) exit_with_error(errno); + + sock_opt = opt_batch_size; + if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_BUSY_POLL_BUDGET, + (void *)&sock_opt, sizeof(sock_opt)) < 0) + exit_with_error(errno); } int main(int argc, char **argv)