From patchwork Thu Nov 19 08:30:24 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: 11916807 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 9399DC56201 for ; Thu, 19 Nov 2020 08:31:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 339E4246B0 for ; Thu, 19 Nov 2020 08:31:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WlrRxaJl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726724AbgKSIb6 (ORCPT ); Thu, 19 Nov 2020 03:31:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726530AbgKSIb6 (ORCPT ); Thu, 19 Nov 2020 03:31:58 -0500 Received: from mail-pg1-x543.google.com (mail-pg1-x543.google.com [IPv6:2607:f8b0:4864:20::543]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C81AC0613CF; Thu, 19 Nov 2020 00:31:58 -0800 (PST) Received: by mail-pg1-x543.google.com with SMTP id r18so3569475pgu.6; Thu, 19 Nov 2020 00:31:58 -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=Jkyz9oA86nMEZfz7a15VcqRN3v2AQv1c0SdQ6R0sWHE=; b=WlrRxaJl4muoW1PCRTEsgUyJ6qJzN4ysisw+s+nc+tf4zg1Itm63uH8jc3JSu962Ko Hkxg2mfOSsxZPuEjkSGAmc5LyxoRJekpIHBNtsygxRNyqv7BLlx0541g2h4UjINwD3ig QUAocLY4OZBS6TwBvLyFyvi6tntk2JpSf5lhxbDXHo8zxMKU0wL0t4KukOdWMLIks3d+ lK1LGRyG3rMHESEypCJAI1mysx8mtvKzNzBEICBdod+m8pOtD3s3TrKU30MBLu4k2GkJ 8myPYNjAUT8NPVcyKvpT3NHyiUExzocvAs9H+67sDHhYgLIcm3hp3ZclqInOTbpwRjGz bIOA== 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=Jkyz9oA86nMEZfz7a15VcqRN3v2AQv1c0SdQ6R0sWHE=; b=ediNmRuKMUs1/C6HWuOup9wWuArSjBvsPfVBuZRCJr8XcOHiLb6X1v3gmEfmqKE19a S+Ag5Ej/eyh2OaZS8MFEByksLuOY2Rnu6bgYYWmgYD42yuHpd1ZDdtaRDZwqaeLBAw6C C+ODNjx0GsCle3/jDXVgHdgcyI2dgLVNervDjmcNUhKsHEIwJg43kaNjlsq7o/vX0cHT 7tT+BZ6jSvyYG1R/sa7IyzZaMvI0A+azAq6utKZXvhBGlVmila+oWeyaywz53KnNHLDz tHxttsYVJoAcAE/+Y+0wmRPBI927FdfPGCpKEb/BI72bKuSpRL1DwNvg/K8Rj5e/AmB8 wmMA== X-Gm-Message-State: AOAM5303Km+nQlkQMasU50HQeyv+rOGRWcZFMLrC11CpnCzlsoDxmAQq 7M6t7KYBlFsdXi6aAYl3DlyZ1pBwc1ILirh5 X-Google-Smtp-Source: ABdhPJwA9eeaCmA8RxBTEK9yOpT+WYcvswxjEKLWlljsaxcH9Wn3RXRaIswpuanbsHsgLIqTKSYPHg== X-Received: by 2002:a17:90a:7c03:: with SMTP id v3mr3371946pjf.28.1605774717036; Thu, 19 Nov 2020 00:31:57 -0800 (PST) Received: from btopel-mobl.ger.intel.com ([192.55.55.43]) by smtp.gmail.com with ESMTPSA id r2sm5517713pji.55.2020.11.19.00.31.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Nov 2020 00:31:55 -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 v3 10/10] samples/bpf: add option to set the busy-poll budget Date: Thu, 19 Nov 2020 09:30:24 +0100 Message-Id: <20201119083024.119566-11-bjorn.topel@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201119083024.119566-1-bjorn.topel@gmail.com> References: <20201119083024.119566-1-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 Acked-by: Magnus Karlsson --- 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 cb1eaee8a32b..deba623e9003 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)