From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 CD836C2D0F8 for ; Wed, 13 May 2020 06:28:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A2BB02176D for ; Wed, 13 May 2020 06:28:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gNospEPj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A2BB02176D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LiZADSbw9lzXXld8m9Vdl9DzgqSo7GrNZX4hFg6WUBo=; b=gNospEPjZfojok w/L3XLs9y7icdm7p16RO10nhQUr0x82pUEgaymqO/eYqZRig1M6KpQ8OAO0Nr+J1xuVQ4mzLagqp+ PWzOXUwGS6owSSoxXLaOzQsYlFvJG2IoLg7GGyS12kQ4qtlVsuc5d42MgGABU0UzvHCtKIskLI4Se f9y+8V2n+WVJqdLcJ+xDw4UK0f15Q2N4D5bTEQf9M5uDUYuEBdek8Zh8O1I/3zbt+Y6HW9h6ZAE6t cxuEVK7GLEUr7gUPHl3DED4E3xSKNjuu6fD5z29yr0TLYdwjNRNmpRn6ED2hXSebTikjkWou0izty AfFiNRsHL6eBCB/tzI9w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jYksP-00059S-S0; Wed, 13 May 2020 06:28:21 +0000 Received: from [2001:4bb8:180:9d3f:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jYkrF-0003zu-13; Wed, 13 May 2020 06:27:09 +0000 From: Christoph Hellwig To: "David S. Miller" , Jakub Kicinski Subject: [PATCH 06/33] net: add sock_set_timestamps Date: Wed, 13 May 2020 08:26:21 +0200 Message-Id: <20200513062649.2100053-7-hch@lst.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200513062649.2100053-1-hch@lst.de> References: <20200513062649.2100053-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marcelo Ricardo Leitner , Eric Dumazet , linux-nvme@lists.infradead.org, linux-sctp@vger.kernel.org, target-devel@vger.kernel.org, linux-afs@lists.infradead.org, drbd-dev@lists.linbit.com, linux-cifs@vger.kernel.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, cluster-devel@redhat.com, Alexey Kuznetsov , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, Neil Horman , Hideaki YOSHIFUJI , netdev@vger.kernel.org, Vlad Yasevich , linux-kernel@vger.kernel.org, Jon Maloy , Ying Xue , ocfs2-devel@oss.oracle.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Add a helper to directly set the SO_TIMESTAMP* sockopts from kernel space without going through a fake uaccess. Signed-off-by: Christoph Hellwig --- include/net/sock.h | 1 + net/core/sock.c | 47 +++++++++++++++++++++++++--------------- net/rxrpc/local_object.c | 8 +------ 3 files changed, 31 insertions(+), 25 deletions(-) diff --git a/include/net/sock.h b/include/net/sock.h index b63ea15362065..cf8a30e0168de 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2692,5 +2692,6 @@ void sock_set_linger(struct sock *sk, bool onoff, unsigned int linger); void sock_set_priority(struct sock *sk, u32 priority); void sock_set_sndtimeo(struct sock *sk, unsigned int secs); int sock_bindtoindex(struct sock *sk, int ifindex); +void sock_set_timestamps(struct sock *sk, bool val, bool new, bool ns); #endif /* _SOCK_H */ diff --git a/net/core/sock.c b/net/core/sock.c index 4b7439308caec..1589f242ecc7e 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -772,6 +772,28 @@ void sock_set_sndtimeo(struct sock *sk, unsigned int secs) } EXPORT_SYMBOL(sock_set_sndtimeo); +static void __sock_set_timestamps(struct sock *sk, bool val, bool new, bool ns) +{ + if (val) { + sock_valbool_flag(sk, SOCK_TSTAMP_NEW, new); + sock_valbool_flag(sk, SOCK_RCVTSTAMPNS, ns); + sock_set_flag(sk, SOCK_RCVTSTAMP); + sock_enable_timestamp(sk, SOCK_TIMESTAMP); + } else { + sock_reset_flag(sk, SOCK_RCVTSTAMP); + sock_reset_flag(sk, SOCK_RCVTSTAMPNS); + sock_reset_flag(sk, SOCK_TSTAMP_NEW); + } +} + +void sock_set_timestamps(struct sock *sk, bool val, bool new, bool ns) +{ + lock_sock(sk); + __sock_set_timestamps(sk, val, new, ns); + release_sock(sk); +} +EXPORT_SYMBOL(sock_set_timestamps); + /* * This is meant for all protocols to use and covers goings on * at the socket level. Everything here is generic. @@ -953,28 +975,17 @@ int sock_setsockopt(struct socket *sock, int level, int optname, break; case SO_TIMESTAMP_OLD: + __sock_set_timestamps(sk, valbool, false, false); + break; case SO_TIMESTAMP_NEW: + __sock_set_timestamps(sk, valbool, true, false); + break; case SO_TIMESTAMPNS_OLD: + __sock_set_timestamps(sk, valbool, false, true); + break; case SO_TIMESTAMPNS_NEW: - if (valbool) { - if (optname == SO_TIMESTAMP_NEW || optname == SO_TIMESTAMPNS_NEW) - sock_set_flag(sk, SOCK_TSTAMP_NEW); - else - sock_reset_flag(sk, SOCK_TSTAMP_NEW); - - if (optname == SO_TIMESTAMP_OLD || optname == SO_TIMESTAMP_NEW) - sock_reset_flag(sk, SOCK_RCVTSTAMPNS); - else - sock_set_flag(sk, SOCK_RCVTSTAMPNS); - sock_set_flag(sk, SOCK_RCVTSTAMP); - sock_enable_timestamp(sk, SOCK_TIMESTAMP); - } else { - sock_reset_flag(sk, SOCK_RCVTSTAMP); - sock_reset_flag(sk, SOCK_RCVTSTAMPNS); - sock_reset_flag(sk, SOCK_TSTAMP_NEW); - } + __sock_set_timestamps(sk, valbool, true, true); break; - case SO_TIMESTAMPING_NEW: sock_set_flag(sk, SOCK_TSTAMP_NEW); /* fall through */ diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c index 01135e54d95d2..562ea36c96b0f 100644 --- a/net/rxrpc/local_object.c +++ b/net/rxrpc/local_object.c @@ -189,13 +189,7 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net) } /* We want receive timestamps. */ - opt = 1; - ret = kernel_setsockopt(local->socket, SOL_SOCKET, SO_TIMESTAMPNS_OLD, - (char *)&opt, sizeof(opt)); - if (ret < 0) { - _debug("setsockopt failed"); - goto error; - } + sock_set_timestamps(local->socket->sk, true, false, true); break; default: -- 2.26.2 _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme