From patchwork Thu Mar 16 14:27:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shay Agroskin X-Patchwork-Id: 13177725 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4251FC6FD19 for ; Thu, 16 Mar 2023 14:29:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230283AbjCPO3E (ORCPT ); Thu, 16 Mar 2023 10:29:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230325AbjCPO3D (ORCPT ); Thu, 16 Mar 2023 10:29:03 -0400 Received: from smtp-fw-9102.amazon.com (smtp-fw-9102.amazon.com [207.171.184.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22C2ECC31B for ; Thu, 16 Mar 2023 07:28:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1678976936; x=1710512936; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tNbFOyn6/TjVrCbWiRgjZFVfbE4CKnUQk9Sh5WmHJDs=; b=gOvBHhaCVF583Ke789A5ZJGrB4KAKkM/j0Uru9lqMWLOZmhZW232Bav8 3CYnCrJgya/40IMaa7lVyS2ZiGN7XZMS8hq+WYerbNGrPXCe8+9Ef7wq2 hDwostyaJ+rc1Bmwa2+wms8lV+yjyWLYBYA6ZNiG/UDDaPvNGeeobEi9B s=; X-IronPort-AV: E=Sophos;i="5.98,265,1673913600"; d="scan'208";a="319199379" Received: from pdx4-co-svc-p1-lb2-vlan2.amazon.com (HELO email-inbound-relay-iad-1a-m6i4x-b5bd57cf.us-east-1.amazon.com) ([10.25.36.210]) by smtp-border-fw-9102.sea19.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Mar 2023 14:28:50 +0000 Received: from EX19D004EUA002.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan3.iad.amazon.com [10.40.163.38]) by email-inbound-relay-iad-1a-m6i4x-b5bd57cf.us-east-1.amazon.com (Postfix) with ESMTPS id 2C07D44A95; Thu, 16 Mar 2023 14:28:47 +0000 (UTC) Received: from EX19D028EUB003.ant.amazon.com (10.252.61.31) by EX19D004EUA002.ant.amazon.com (10.252.50.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.24; Thu, 16 Mar 2023 14:28:46 +0000 Received: from u570694869fb251.ant.amazon.com (10.85.143.176) by EX19D028EUB003.ant.amazon.com (10.252.61.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.24; Thu, 16 Mar 2023 14:28:39 +0000 From: Shay Agroskin To: David Miller , Jakub Kicinski , CC: Shay Agroskin , "Woodhouse, David" , "Machulsky, Zorik" , "Matushevsky, Alexander" , Saeed Bshara , "Wilson, Matt" , "Liguori, Anthony" , "Bshara, Nafea" , "Belgazal, Netanel" , "Saidi, Ali" , "Herrenschmidt, Benjamin" , "Kiyanovski, Arthur" , "Dagan, Noam" , "Arinzon, David" , "Itzko, Shahar" , "Abboud, Osama" Subject: [PATCH v5 net-next 4/6] net: ena: Recalculate TX state variables every device reset Date: Thu, 16 Mar 2023 16:27:04 +0200 Message-ID: <20230316142706.4046263-5-shayagr@amazon.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20230316142706.4046263-1-shayagr@amazon.com> References: <20230316142706.4046263-1-shayagr@amazon.com> MIME-Version: 1.0 X-Originating-IP: [10.85.143.176] X-ClientProxiedBy: EX19D040UWB001.ant.amazon.com (10.13.138.82) To EX19D028EUB003.ant.amazon.com (10.252.61.31) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org With the ability to modify LLQ entry size, the size of packet's payload that can be written directly to the device changes. This patch makes the driver recalculate this information every device negotiation (also called device reset). Signed-off-by: Shay Agroskin --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index b97ecae439b2..537951ca4d61 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -3750,8 +3750,9 @@ static int ena_restore_device(struct ena_adapter *adapter) struct ena_com_dev_get_features_ctx get_feat_ctx; struct ena_com_dev *ena_dev = adapter->ena_dev; struct pci_dev *pdev = adapter->pdev; + struct ena_ring *txr; + int rc, count, i; bool wd_state; - int rc; set_bit(ENA_FLAG_ONGOING_RESET, &adapter->flags); rc = ena_device_init(adapter, adapter->pdev, &get_feat_ctx, &wd_state); @@ -3761,6 +3762,13 @@ static int ena_restore_device(struct ena_adapter *adapter) } adapter->wd_state = wd_state; + count = adapter->xdp_num_queues + adapter->num_io_queues; + for (i = 0 ; i < count; i++) { + txr = &adapter->tx_ring[i]; + txr->tx_mem_queue_type = ena_dev->tx_mem_queue_type; + txr->tx_max_header_size = ena_dev->tx_max_header_size; + } + rc = ena_device_validate_params(adapter, &get_feat_ctx); if (rc) { dev_err(&pdev->dev, "Validation of device parameters failed\n");