From patchwork Wed Mar 18 09:37:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ilpo_J=C3=A4rvinen?= X-Patchwork-Id: 222310 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 8EC74C10DCE for ; Wed, 18 Mar 2020 09:46:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 698D520674 for ; Wed, 18 Mar 2020 09:46:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727580AbgCRJql (ORCPT ); Wed, 18 Mar 2020 05:46:41 -0400 Received: from smtp-rs2-vallila1.fe.helsinki.fi ([128.214.173.73]:53282 "EHLO smtp-rs2-vallila1.fe.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726586AbgCRJql (ORCPT ); Wed, 18 Mar 2020 05:46:41 -0400 Received: from whs-18.cs.helsinki.fi (whs-18.cs.helsinki.fi [128.214.166.46]) by smtp-rs2.it.helsinki.fi (8.14.7/8.14.7) with ESMTP id 02I9cElt006449; Wed, 18 Mar 2020 11:38:14 +0200 Received: by whs-18.cs.helsinki.fi (Postfix, from userid 1070048) id 4E014360F50; Wed, 18 Mar 2020 11:38:14 +0200 (EET) From: =?iso-8859-1?q?Ilpo_J=E4rvinen?= To: netdev@vger.kernel.org Cc: Yuchung Cheng , Neal Cardwell , Eric Dumazet , Olivier Tilmans Subject: [RFC PATCH 11/28] tcp: AccECN support to tcp_add_backlog Date: Wed, 18 Mar 2020 11:37:52 +0200 Message-Id: <1584524289-24187-11-git-send-email-ilpo.jarvinen@helsinki.fi> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1584524289-24187-2-git-send-email-ilpo.jarvinen@helsinki.fi> References: <1584524289-24187-2-git-send-email-ilpo.jarvinen@helsinki.fi> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ilpo Järvinen AE flag needs to preserved for AccECN. Signed-off-by: Ilpo Järvinen --- net/ipv4/tcp_ipv4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index f18a2fbf2761..dab0c1b85e95 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1757,7 +1757,7 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb) !((TCP_SKB_CB(tail)->tcp_flags & TCP_SKB_CB(skb)->tcp_flags) & TCPHDR_ACK) || ((TCP_SKB_CB(tail)->tcp_flags ^ - TCP_SKB_CB(skb)->tcp_flags) & (TCPHDR_ECE | TCPHDR_CWR)) || + TCP_SKB_CB(skb)->tcp_flags) & (TCPHDR_ECE | TCPHDR_CWR | TCPHDR_AE)) || #ifdef CONFIG_TLS_DEVICE tail->decrypted != skb->decrypted || #endif