From patchwork Sat Sep 17 17:35:45 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neal Cardwell X-Patchwork-Id: 671249 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3sbzqj47Sfz9s2Q for ; Sun, 18 Sep 2016 03:37:21 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b=BPZNCP0x; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932221AbcIQRhR (ORCPT ); Sat, 17 Sep 2016 13:37:17 -0400 Received: from mail-qt0-f179.google.com ([209.85.216.179]:34740 "EHLO mail-qt0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754295AbcIQRga (ORCPT ); Sat, 17 Sep 2016 13:36:30 -0400 Received: by mail-qt0-f179.google.com with SMTP id 38so56305269qte.1 for ; Sat, 17 Sep 2016 10:36:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=tJBCz+1cu6RoRo0BtaMtrHMjgm78Ulfn2YZFNqZxs+0=; b=BPZNCP0xXYh5av6Ed9ojAz892Rwzk5MOl8MtJWWUzESxdUDfNLoPt38OTMwilL9k5S HPkXPy3ncW+7AlwbkAhcwCkHVJz2+bxTJK5X1K8ksT/zcSdjWvEvpjkuxPG92eD0fzbl rnigWyv5PfpEkD3aGLlMxJtJwRT0QhjS3Xpi2QD1HkRGH3ULkSP3xroP1NGZx8R/1wr2 NWWmR2VnpYnFMQR8YiCYVXvC2dP0UJ1sRej8fZVr71n4DFBVR242um+wWpEt5rI1pOlq +12K8oA+e2KMaN5Mhchr6omybfNWlu2tiCcJpIDjeV5rxb3+qw2AMGqRo0BjkqoNbVQC nkaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=tJBCz+1cu6RoRo0BtaMtrHMjgm78Ulfn2YZFNqZxs+0=; b=UBRBGxCp2/moXqVomHSZz8n2MY/HQCKY0g6oy8hnu61FsE3pzkYVQYV1wNqgbL3rxM /k0XtJkuAJHyMwxls+S2WVrMi0a7hg/ZCXur9mJDmpRxkyUYxryjBGYwJvAUauUp8VcZ oAr1JB1bDcxvhooXCNOgEWkguwmj2j9tx5wMPGROK6RiOgqYe3wpKLwAvyGeodgXNBph Jekwx0DylkvuCv66wqKAPS5RLBq/EDEhl/LFhYyNJFMftEcOSdtqjFCMwMAsZ+K6Lag0 3H0gIEaZ1dHAJEu4+Ig9wIZBxJnIUEscZvYyltaF0lVCdikkaaStg43y0XKxMh0HUzRo nltQ== X-Gm-Message-State: AE9vXwOCHwUCQ67pSF6lfBQs0vDl8Nb+8eXxAptzhFS0GvC20m8ud6gtvjESIKYUtFLGwx9Q X-Received: by 10.237.45.133 with SMTP id i5mr21082625qtd.10.1474133789426; Sat, 17 Sep 2016 10:36:29 -0700 (PDT) Received: from joy.nyc.corp.google.com ([100.101.230.104]) by smtp.gmail.com with ESMTPSA id t21sm8068625qkg.4.2016.09.17.10.36.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 17 Sep 2016 10:36:28 -0700 (PDT) From: Neal Cardwell To: David Miller Cc: netdev@vger.kernel.org, Neal Cardwell , Van Jacobson , Yuchung Cheng , Nandita Dukkipati , Eric Dumazet , Soheil Hassas Yeganeh Subject: [PATCH v2 net-next 12/16] tcp: export tcp_mss_to_mtu() for congestion control modules Date: Sat, 17 Sep 2016 13:35:45 -0400 Message-Id: <1474133749-12895-13-git-send-email-ncardwell@google.com> X-Mailer: git-send-email 2.8.0.rc3.226.g39d4020 In-Reply-To: <1474133749-12895-1-git-send-email-ncardwell@google.com> References: <1474133749-12895-1-git-send-email-ncardwell@google.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Export tcp_mss_to_mtu(), so that congestion control modules can use this to help calculate a pacing rate. Signed-off-by: Van Jacobson Signed-off-by: Neal Cardwell Signed-off-by: Yuchung Cheng Signed-off-by: Nandita Dukkipati Signed-off-by: Eric Dumazet Signed-off-by: Soheil Hassas Yeganeh --- net/ipv4/tcp_output.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 0bf3d48..7d025a7 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1362,6 +1362,7 @@ int tcp_mss_to_mtu(struct sock *sk, int mss) } return mtu; } +EXPORT_SYMBOL(tcp_mss_to_mtu); /* MTU probing init per socket */ void tcp_mtup_init(struct sock *sk)