From patchwork Fri Jul 5 18:46:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Petar Penkov X-Patchwork-Id: 1128200 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="kbQqTZXJ"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45gP2k6gq7z9sNj for ; Sat, 6 Jul 2019 04:46:54 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727251AbfGESqs (ORCPT ); Fri, 5 Jul 2019 14:46:48 -0400 Received: from mail-qk1-f201.google.com ([209.85.222.201]:39767 "EHLO mail-qk1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725730AbfGESqs (ORCPT ); Fri, 5 Jul 2019 14:46:48 -0400 Received: by mail-qk1-f201.google.com with SMTP id j17so10152119qki.6 for ; Fri, 05 Jul 2019 11:46:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=LPRFSq2jkU0dV73F1lMLde+MhHFzOkKJem3K3J6dAi0=; b=kbQqTZXJdTH8T/Llj9Ooyjl+SlCPPBF1cJpg73hImYwD9h0HRdYB82yRUkuIvFfQR6 QEIuhYPUWeC2UK3Cn1I5UxRvM3FEkom46Z5p9iLzO+ESEdME4tJKCInvgDPTwJRfQPX5 uetNBN4UZzkOdLReuOga9ulDZGkpqqHyZzSjPXnCF36AKCAlgsZa8EZalyh7IWkO12q4 KmMo8hW5XOZeO0rLW16E9qZKovkDgQqr4bq84GJPedEFWtcMcTYb2DewFj4SB5hvR/Ad o0VFTr+Xq5gjPiD238zaQ5LWCBYqN1A7JaLiV/9OvQBbAURySyxgJG+NaH0ADmJHZmJT 8L5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=LPRFSq2jkU0dV73F1lMLde+MhHFzOkKJem3K3J6dAi0=; b=JyQlKP2gcU9Q8Nbe/inOCyhDIaFHKvPV9IIDHYJaS7mXY9J9OlhUqSGvNP/EiF1jes 9/ta501nO4i4Srk/g8zA2zUEdRbNUfjnPSZ99I19nPqOtVdO3o3mLfgwR/zjGtIYtnvd aQE0z0VTmN2bdUw18TkdxbFsgV+MoJH5PG2De92Gxspw9C5QZ2fIzC5L+ZTJgUj2l8Tk chgp8q7rhqWafFZ9eu7U4n5+kUFLLhjIJMl5TA36LelpfysjvIg0PSudZaKFY1wQ1u3m v6X+vT9YrRydF8MOKlrAuSXo+rZtZhenzme/cZ/dzi6TwSNOaSrlIjnLXhLmiQZ9qVoO XXkw== X-Gm-Message-State: APjAAAWh6oabwXPsmjgENe8wyFZo+uuW3lIw6zqQzL0wYtV7Gi224smc QEbfi19s8qhJYFZdy9eAEb2a5HntRMtsIOHs8dO6su6P3Gi/6VdqoK3NmT86IVy9GUbNu9Vyilb dCwgJiWFfy/KnNpGCTxaanwfif/7FBR0JBZ6C1J9jeAxQDzrZvM3R/lEAgoLmsz56 X-Google-Smtp-Source: APXvYqz7LKKOQ83PfBF0cu+4Y/AGrexUsLcG3xrt1rXKbxiuX63y8IGy0KWLgDZuBTB/RyjCkQv5Z8cJRMBB X-Received: by 2002:a0c:9890:: with SMTP id f16mr4585961qvd.165.1562352407110; Fri, 05 Jul 2019 11:46:47 -0700 (PDT) Date: Fri, 5 Jul 2019 11:46:43 -0700 Message-Id: <20190705184643.249884-1-ppenkov@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.22.0.410.gd8fdbe21b5-goog Subject: [net-next] net: fib_rules: do not flow dissect local packets From: Petar Penkov To: netdev@vger.kernel.org Cc: davem@davemloft.net, roopa@cumulusnetworks.com, edumazet@google.com, Petar Penkov Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Rules matching on loopback iif do not need early flow dissection as the packet originates from the host. Stop counting such rules in fib_rule_requires_fldissect Signed-off-by: Petar Penkov --- include/net/fib_rules.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h index eba8465e1d86..20dcadd8eed9 100644 --- a/include/net/fib_rules.h +++ b/include/net/fib_rules.h @@ -180,9 +180,9 @@ static inline bool fib_rule_port_range_compare(struct fib_rule_port_range *a, static inline bool fib_rule_requires_fldissect(struct fib_rule *rule) { - return rule->ip_proto || + return rule->iifindex != LOOPBACK_IFINDEX && (rule->ip_proto || fib_rule_port_range_set(&rule->sport_range) || - fib_rule_port_range_set(&rule->dport_range); + fib_rule_port_range_set(&rule->dport_range)); } struct fib_rules_ops *fib_rules_register(const struct fib_rules_ops *,