From patchwork Wed Jun 17 11:02:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Yakunin X-Patchwork-Id: 1311146 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=yandex-team.ru Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=yandex-team.ru header.i=@yandex-team.ru header.a=rsa-sha256 header.s=default header.b=o/p1aAfw; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49n2Gb4qGGz9sRh for ; Wed, 17 Jun 2020 21:02:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726745AbgFQLCq (ORCPT ); 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t=1592391762; bh=xOQuytZWSwa238kUfui+ZoHaMS42DfZq5NAfzHI2Y34=; h=In-Reply-To:Message-Id:References:Date:Subject:To:From:Cc; b=o/p1aAfwEN2qyx2VDik1U2/qPxtcErEdwliEJ/8KW0CT7DzFqEfsdGfAv2WUK1RN/ bYxAlYB10TYvnLsN88cnEVD4Ld0p+sL58ltu65Va5W1QqYXTlhG8XW1wMbBvayzIXf 98qbo4zKPn57SjI7OV2EaKfLtCs8xlk9EalBd6eA= Authentication-Results: mxbackcorp1j.mail.yandex.net; dkim=pass header.i=@yandex-team.ru Received: from 37.9.89.23-iva.dhcp.yndx.net (37.9.89.23-iva.dhcp.yndx.net [37.9.89.23]) by iva8-88b7aa9dc799.qloud-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id XJqgFOjlJF-2ekiGnvr; Wed, 17 Jun 2020 14:02:40 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) From: Dmitry Yakunin To: daniel@iogearbox.net, alexei.starovoitov@gmail.com Cc: davem@davemloft.net, brakmo@fb.com, eric.dumazet@gmail.com, kafai@fb.com, bpf@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH bpf-next v4 2/3] tcp: expose tcp_sock_set_keepidle_locked Date: Wed, 17 Jun 2020 14:02:16 +0300 Message-Id: <20200617110217.35669-2-zeil@yandex-team.ru> In-Reply-To: <20200617110217.35669-1-zeil@yandex-team.ru> References: <20200617110217.35669-1-zeil@yandex-team.ru> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This is preparation for usage in bpf_setsockopt. v2: - remove redundant EXPORT_SYMBOL (Alexei Starovoitov) Signed-off-by: Dmitry Yakunin --- include/linux/tcp.h | 1 + net/ipv4/tcp.c | 6 +++--- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 9aac824..3bdec31 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -499,6 +499,7 @@ int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount, void tcp_sock_set_cork(struct sock *sk, bool on); int tcp_sock_set_keepcnt(struct sock *sk, int val); +int tcp_sock_set_keepidle_locked(struct sock *sk, int val); int tcp_sock_set_keepidle(struct sock *sk, int val); int tcp_sock_set_keepintvl(struct sock *sk, int val); void tcp_sock_set_nodelay(struct sock *sk); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 15d47d5..18f8d54 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2901,7 +2901,7 @@ void tcp_sock_set_user_timeout(struct sock *sk, u32 val) } EXPORT_SYMBOL(tcp_sock_set_user_timeout); -static int __tcp_sock_set_keepidle(struct sock *sk, int val) +int tcp_sock_set_keepidle_locked(struct sock *sk, int val) { struct tcp_sock *tp = tcp_sk(sk); @@ -2928,7 +2928,7 @@ int tcp_sock_set_keepidle(struct sock *sk, int val) int err; lock_sock(sk); - err = __tcp_sock_set_keepidle(sk, val); + err = tcp_sock_set_keepidle_locked(sk, val); release_sock(sk); return err; } @@ -3127,7 +3127,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level, break; case TCP_KEEPIDLE: - err = __tcp_sock_set_keepidle(sk, val); + err = tcp_sock_set_keepidle_locked(sk, val); break; case TCP_KEEPINTVL: if (val < 1 || val > MAX_TCP_KEEPINTVL)