From patchwork Wed Jan 19 14:52:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corinna Vinschen X-Patchwork-Id: 1581815 X-Patchwork-Delegate: anthony.l.nguyen@intel.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Gh5tUI7Q; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org (client-ip=140.211.166.136; helo=smtp3.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver=) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4Jf7tK2lngz9s9c for ; Thu, 20 Jan 2022 01:53:11 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id E5B3C60C29; Wed, 19 Jan 2022 14:53:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 11th1Upu6Zts; Wed, 19 Jan 2022 14:53:08 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by smtp3.osuosl.org (Postfix) with ESMTP id E053D60F00; Wed, 19 Jan 2022 14:53:07 +0000 (UTC) X-Original-To: intel-wired-lan@osuosl.org Delivered-To: intel-wired-lan@osuosl.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by ash.osuosl.org (Postfix) with ESMTP id 7088B1BF39E for ; Wed, 19 Jan 2022 14:53:06 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 5C46B60F00 for ; Wed, 19 Jan 2022 14:53:06 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DLYwYMRjtmmm for ; Wed, 19 Jan 2022 14:53:05 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by smtp3.osuosl.org (Postfix) with ESMTPS id 9998F60C29 for ; Wed, 19 Jan 2022 14:53:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1642603984; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WYpFN6jD3NddkSrlHA/3O9g9jz5Y6MIz520Okk741Oo=; b=Gh5tUI7QaTZxXVO18UKTVJYQP5oyowZCrzezf9B9iRngTG90F1gqd+LqMvgB+Ob8NOUQo9 0c0nW9j1gII7uR695tDTDrq8/DmpbwfWNX4oJZnjkNMyiODVNM3psDpNa+m51zwVWRDFzY rvdNLWGe/eGwLk2YDExYpb3OnVy9KxA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-315-JmE8UmHUPUmUtLQLIdyb5Q-1; Wed, 19 Jan 2022 09:53:02 -0500 X-MC-Unique: JmE8UmHUPUmUtLQLIdyb5Q-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3A72918B613D; Wed, 19 Jan 2022 14:53:01 +0000 (UTC) Received: from calimero.vinschen.de (ovpn-112-9.ams2.redhat.com [10.36.112.9]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C311084D1A; Wed, 19 Jan 2022 14:53:00 +0000 (UTC) Received: by calimero.vinschen.de (Postfix, from userid 500) id 6713BA80D85; Wed, 19 Jan 2022 15:52:59 +0100 (CET) From: Corinna Vinschen To: intel-wired-lan@osuosl.org, netdev@vger.kernel.org, Vinicius Costa Gomes Date: Wed, 19 Jan 2022 15:52:59 +0100 Message-Id: <20220119145259.1790015-3-vinschen@redhat.com> In-Reply-To: <20220119145259.1790015-1-vinschen@redhat.com> References: <20220119145259.1790015-1-vinschen@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Subject: [Intel-wired-lan] [PATCH 2/2 net-next v6] igb: refactor XDP registration X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On changing the RX ring parameters igb uses a hack to avoid a warning when calling xdp_rxq_info_reg via igb_setup_rx_resources. It just clears the struct xdp_rxq_info content. Instead, change this to unregister if we're already registered. Align code to the igc code. Fixes: 9cbc948b5a20c ("igb: add XDP support") Signed-off-by: Corinna Vinschen Acked-by: Vinicius Costa Gomes Tested-by: Sandeep Penigalapati --- drivers/net/ethernet/intel/igb/igb_ethtool.c | 4 ---- drivers/net/ethernet/intel/igb/igb_main.c | 19 +++++++++++++------ 2 files changed, 13 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 51a2dcaf553d..2a5782063f4c 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -965,10 +965,6 @@ static int igb_set_ringparam(struct net_device *netdev, memcpy(&temp_ring[i], adapter->rx_ring[i], sizeof(struct igb_ring)); - /* Clear copied XDP RX-queue info */ - memset(&temp_ring[i].xdp_rxq, 0, - sizeof(temp_ring[i].xdp_rxq)); - temp_ring[i].count = new_rx_count; err = igb_setup_rx_resources(&temp_ring[i]); if (err) { diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 38ba92022cd4..c1e4ad65b02d 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -4352,7 +4352,18 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring) { struct igb_adapter *adapter = netdev_priv(rx_ring->netdev); struct device *dev = rx_ring->dev; - int size; + int size, res; + + /* XDP RX-queue info */ + if (xdp_rxq_info_is_reg(&rx_ring->xdp_rxq)) + xdp_rxq_info_unreg(&rx_ring->xdp_rxq); + res = xdp_rxq_info_reg(&rx_ring->xdp_rxq, rx_ring->netdev, + rx_ring->queue_index, 0); + if (res < 0) { + dev_err(dev, "Failed to register xdp_rxq index %u\n", + rx_ring->queue_index); + return res; + } size = sizeof(struct igb_rx_buffer) * rx_ring->count; @@ -4375,14 +4386,10 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring) rx_ring->xdp_prog = adapter->xdp_prog; - /* XDP RX-queue info */ - if (xdp_rxq_info_reg(&rx_ring->xdp_rxq, rx_ring->netdev, - rx_ring->queue_index, 0) < 0) - goto err; - return 0; err: + xdp_rxq_info_unreg(&rx_ring->xdp_rxq); vfree(rx_ring->rx_buffer_info); rx_ring->rx_buffer_info = NULL; dev_err(dev, "Unable to allocate memory for the Rx descriptor ring\n");