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=-8.7 required=3.0 tests=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 8A4AAC31E5D for ; Mon, 17 Jun 2019 22:59:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D0102084A for ; Mon, 17 Jun 2019 22:59:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727450AbfFQW7f (ORCPT ); Mon, 17 Jun 2019 18:59:35 -0400 Received: from mga18.intel.com ([134.134.136.126]:10998 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728518AbfFQW6x (ORCPT ); Mon, 17 Jun 2019 18:58:53 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Jun 2019 15:58:50 -0700 X-ExtLoop1: 1 Received: from mjmartin-nuc01.amr.corp.intel.com (HELO mjmartin-nuc01.sea.intel.com) ([10.241.98.42]) by orsmga002.jf.intel.com with ESMTP; 17 Jun 2019 15:58:50 -0700 From: Mat Martineau To: edumazet@google.com, netdev@vger.kernel.org Cc: Mat Martineau , cpaasch@apple.com, fw@strlen.de, pabeni@redhat.com, peter.krystad@linux.intel.com, dcaratti@redhat.com, matthieu.baerts@tessares.net Subject: [RFC PATCH net-next 17/33] tcp: Export low-level TCP functions Date: Mon, 17 Jun 2019 15:57:52 -0700 Message-Id: <20190617225808.665-18-mathew.j.martineau@linux.intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190617225808.665-1-mathew.j.martineau@linux.intel.com> References: <20190617225808.665-1-mathew.j.martineau@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org MPTCP will make use of tcp_send_mss() and tcp_push() when sending data to specific TCP subflows. Signed-off-by: Mat Martineau --- include/net/tcp.h | 3 +++ net/ipv4/tcp.c | 6 +++--- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index af13d91f4a0f..a937ee196eba 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -327,6 +327,9 @@ int tcp_sendpage_locked(struct sock *sk, struct page *page, int offset, size_t size, int flags); ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset, size_t size, int flags); +int tcp_send_mss(struct sock *sk, int *size_goal, int flags); +void tcp_push(struct sock *sk, int flags, int mss_now, int nonagle, + int size_goal); void tcp_release_cb(struct sock *sk); void tcp_wfree(struct sk_buff *skb); void tcp_write_timer_handler(struct sock *sk); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 866c985a0c04..675806689b68 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -686,8 +686,8 @@ static bool tcp_should_autocork(struct sock *sk, struct sk_buff *skb, refcount_read(&sk->sk_wmem_alloc) > skb->truesize; } -static void tcp_push(struct sock *sk, int flags, int mss_now, - int nonagle, int size_goal) +void tcp_push(struct sock *sk, int flags, int mss_now, + int nonagle, int size_goal) { struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; @@ -921,7 +921,7 @@ static unsigned int tcp_xmit_size_goal(struct sock *sk, u32 mss_now, return max(size_goal, mss_now); } -static int tcp_send_mss(struct sock *sk, int *size_goal, int flags) +int tcp_send_mss(struct sock *sk, int *size_goal, int flags) { int mss_now; -- 2.22.0