From patchwork Wed Aug 4 03:28:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yajun Deng X-Patchwork-Id: 492132 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 213F9C4338F for ; Wed, 4 Aug 2021 03:29:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA7DB6103C for ; Wed, 4 Aug 2021 03:29:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234880AbhHDD3a (ORCPT ); Tue, 3 Aug 2021 23:29:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234207AbhHDD3a (ORCPT ); Tue, 3 Aug 2021 23:29:30 -0400 Received: from out0.migadu.com (out0.migadu.com [IPv6:2001:41d0:2:267::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0047AC061764; Tue, 3 Aug 2021 20:29:17 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1628047754; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=zvfYYuqF2FHspYtQC1WvXSu+rBBu+KjB/5LBDoNtRT4=; b=FzQTSyOQ2rGO9qwy0o7IpAgbTz+5sSPMs3uY0QXt4erSXgQRqyoNWlVuyN4C/rXYVw9tVg 0NE/iaz4WcOIznqjpX8v083yMFlbwDD88OWzGNBvs6FNIlazK3Vu7yA3oCN0Y4eJ6Hiih0 fjABO4ni6e7dK5W1t8uuLLDApcsdv4M= From: Yajun Deng To: davem@davemloft.net, kuba@kernel.org, mathew.j.martineau@linux.intel.com, matthieu.baerts@tessares.net, trond.myklebust@hammerspace.com, anna.schumaker@netapp.com Cc: cluster-devel@redhat.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, mptcp@lists.linux.dev, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com, linux-s390@vger.kernel.org, linux-nfs@vger.kernel.org, Yajun Deng Subject: [PATCH net-next v2] net: Modify sock_set_keepalive() for more scenarios Date: Wed, 4 Aug 2021 11:28:56 +0800 Message-Id: <20210804032856.4005-1-yajun.deng@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: yajun.deng@linux.dev Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add 2nd parameter in sock_set_keepalive(), let the caller decide whether to set. This can be applied to more scenarios. v2: - add the change in fs/dlm. Signed-off-by: Yajun Deng --- fs/dlm/lowcomms.c | 2 +- include/net/sock.h | 2 +- net/core/filter.c | 4 +--- net/core/sock.c | 10 ++++------ net/mptcp/sockopt.c | 4 +--- net/rds/tcp_listen.c | 2 +- net/smc/af_smc.c | 2 +- net/sunrpc/xprtsock.c | 2 +- 8 files changed, 11 insertions(+), 17 deletions(-) diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 0ea9ae35da0b..5d748ce4d876 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -1356,7 +1356,7 @@ static int tcp_create_listen_sock(struct listen_connection *con, log_print("Can't bind to port %d", dlm_config.ci_tcp_port); goto create_out; } - sock_set_keepalive(sock->sk); + sock_set_keepalive(sock->sk, true); result = sock->ops->listen(sock, 5); if (result < 0) { diff --git a/include/net/sock.h b/include/net/sock.h index ff1be7e7e90b..0aae26159549 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2772,7 +2772,7 @@ int sock_set_timestamping(struct sock *sk, int optname, void sock_enable_timestamps(struct sock *sk); void sock_no_linger(struct sock *sk); -void sock_set_keepalive(struct sock *sk); +void sock_set_keepalive(struct sock *sk, bool valbool); void sock_set_priority(struct sock *sk, u32 priority); void sock_set_rcvbuf(struct sock *sk, int val); void sock_set_mark(struct sock *sk, u32 val); diff --git a/net/core/filter.c b/net/core/filter.c index 6f493ef5bb14..c73caa53992e 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -4752,9 +4752,7 @@ static int _bpf_setsockopt(struct sock *sk, int level, int optname, ret = sock_bindtoindex(sk, ifindex, false); break; case SO_KEEPALIVE: - if (sk->sk_prot->keepalive) - sk->sk_prot->keepalive(sk, valbool); - sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool); + sock_set_keepalive(sk, !!valbool); break; case SO_REUSEPORT: sk->sk_reuseport = valbool; diff --git a/net/core/sock.c b/net/core/sock.c index 9671c32e6ef5..7041e6355ae1 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -892,12 +892,12 @@ int sock_set_timestamping(struct sock *sk, int optname, return 0; } -void sock_set_keepalive(struct sock *sk) +void sock_set_keepalive(struct sock *sk, bool valbool) { lock_sock(sk); if (sk->sk_prot->keepalive) - sk->sk_prot->keepalive(sk, true); - sock_valbool_flag(sk, SOCK_KEEPOPEN, true); + sk->sk_prot->keepalive(sk, valbool); + sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool); release_sock(sk); } EXPORT_SYMBOL(sock_set_keepalive); @@ -1060,9 +1060,7 @@ int sock_setsockopt(struct socket *sock, int level, int optname, break; case SO_KEEPALIVE: - if (sk->sk_prot->keepalive) - sk->sk_prot->keepalive(sk, valbool); - sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool); + sock_set_keepalive(sk, !!valbool); break; case SO_OOBINLINE: diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index 8c03afac5ca0..879b8381055c 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -81,9 +81,7 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in sock_valbool_flag(ssk, SOCK_DBG, !!val); break; case SO_KEEPALIVE: - if (ssk->sk_prot->keepalive) - ssk->sk_prot->keepalive(ssk, !!val); - sock_valbool_flag(ssk, SOCK_KEEPOPEN, !!val); + sock_set_keepalive(ssk, !!val); break; case SO_PRIORITY: ssk->sk_priority = val; diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index 09cadd556d1e..b69ebb3f424a 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -44,7 +44,7 @@ void rds_tcp_keepalive(struct socket *sock) int keepidle = 5; /* send a probe 'keepidle' secs after last data */ int keepcnt = 5; /* number of unack'ed probes before declaring dead */ - sock_set_keepalive(sock->sk); + sock_set_keepalive(sock->sk, true); tcp_sock_set_keepcnt(sock->sk, keepcnt); tcp_sock_set_keepidle(sock->sk, keepidle); /* KEEPINTVL is the interval between successive probes. We follow diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 898389611ae8..ad8f4302037f 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -68,7 +68,7 @@ static void smc_set_keepalive(struct sock *sk, int val) { struct smc_sock *smc = smc_sk(sk); - smc->clcsock->sk->sk_prot->keepalive(smc->clcsock->sk, val); + sock_set_keepalive(smc->clcsock->sk, !!val); } static struct smc_hashinfo smc_v4_hashinfo = { diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index e573dcecdd66..306a332f8d28 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2127,7 +2127,7 @@ static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt, spin_unlock(&xprt->transport_lock); /* TCP Keepalive options */ - sock_set_keepalive(sock->sk); + sock_set_keepalive(sock->sk, true); tcp_sock_set_keepidle(sock->sk, keepidle); tcp_sock_set_keepintvl(sock->sk, keepidle); tcp_sock_set_keepcnt(sock->sk, keepcnt);