From patchwork Tue Jan 7 20:52:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 234260 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=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT 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 BD1CBC33C9B for ; Tue, 7 Jan 2020 21:26:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 90310222D9 for ; Tue, 7 Jan 2020 21:26:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578432366; bh=mEpZI1AiW0OMmKj9mQE/MPrwrVxuZ+BRFKNfORLLlEA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=gaqdTOBDwBTowo+g0grJNNffmCjKX9F70ZrTgEN4eDqS+OZOGhJvoWUu9Z8o7KDx1 UzS0qmHa6pPuSvPXL5peAJaaH1XpRIq0owoPS2x8tiYEvFkFwq6xH90a7fS0jSI4Ov 4MJbuGb8+5KQXav0mjnNZzZEcuujkrHEAclWba7A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726837AbgAGV0C (ORCPT ); Tue, 7 Jan 2020 16:26:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:60286 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727225AbgAGU7V (ORCPT ); Tue, 7 Jan 2020 15:59:21 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A80E72087F; Tue, 7 Jan 2020 20:59:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578430761; bh=mEpZI1AiW0OMmKj9mQE/MPrwrVxuZ+BRFKNfORLLlEA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XfRjxp/zFiy+DSfIcKUtQ8Nt/tDDKm9uk5BYQk0Q1YooT0qj6MZUWzvLEiVj19p8D 8xBvi4AW81FvTSfHlRp8BDCscdD7DJl2BQKfcVfzYps114yhZU3OQKhOZJyL1roGv+ IFJArtdKrA1bYkGzEK0e+2sIyMl/D5cStIL+6BEo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Maor Gottlieb , Raed Salem , Leon Romanovsky , Doug Ledford , Sasha Levin Subject: [PATCH 5.4 049/191] IB/mlx5: Fix steering rule of drop and count Date: Tue, 7 Jan 2020 21:52:49 +0100 Message-Id: <20200107205335.619488990@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200107205332.984228665@linuxfoundation.org> References: <20200107205332.984228665@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Maor Gottlieb [ Upstream commit ed9085fed9d95d5921582e3c8474f3736c5d2782 ] There are two flow rule destinations: QP and packet. While users are setting DROP packet rule, the QP should not be set as a destination. Fixes: 3b3233fbf02e ("IB/mlx5: Add flow counters binding support") Signed-off-by: Maor Gottlieb Reviewed-by: Raed Salem Signed-off-by: Leon Romanovsky Link: https://lore.kernel.org/r/20191212091214.315005-4-leon@kernel.org Signed-off-by: Doug Ledford Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx5/main.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 831539419c30..e1cfbedefcbc 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -3548,10 +3548,6 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, } INIT_LIST_HEAD(&handler->list); - if (dst) { - memcpy(&dest_arr[0], dst, sizeof(*dst)); - dest_num++; - } for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { err = parse_flow_attr(dev->mdev, spec, @@ -3564,6 +3560,11 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, ib_flow += ((union ib_flow_spec *)ib_flow)->size; } + if (dst && !(flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP)) { + memcpy(&dest_arr[0], dst, sizeof(*dst)); + dest_num++; + } + if (!flow_is_multicast_only(flow_attr)) set_underlay_qp(dev, spec, underlay_qpn); @@ -3604,10 +3605,8 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, } if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP) { - if (!(flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT)) { + if (!dest_num) rule_dst = NULL; - dest_num = 0; - } } else { if (is_egress) flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;