From patchwork Mon Mar 4 09:01:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Brandes, Shai" X-Patchwork-Id: 137850 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 67C3243B9B; Mon, 4 Mar 2024 10:03:10 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id AFEA340E68; Mon, 4 Mar 2024 10:02:05 +0100 (CET) Received: from smtp-fw-52005.amazon.com (smtp-fw-52005.amazon.com [52.119.213.156]) by mails.dpdk.org (Postfix) with ESMTP id DEBDD40698 for ; Mon, 4 Mar 2024 10:01:57 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1709542918; x=1741078918; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=esilZkeoYx3BW4n7Z8Lk/G/rK4AxwqZp+CW/Ijc+K9g=; b=tMQ9FPU+Db0vITPNg0m4KnvjGcaqb7wStANfbUI1vIxty01HFFMmbE3M mDiu6ePHt/mpnkf/i86gXCrbBZNsvdtNKQvFecCxjuepCSblEH/js6jqc 3zHA9y1NbgEItEgR/xfhrKdFmtfoE8HoJVNQWKDuGWRIqfhmLVwUX0CQ+ I=; X-IronPort-AV: E=Sophos;i="6.06,203,1705363200"; d="scan'208";a="638336067" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO smtpout.prod.us-east-1.prod.farcaster.email.amazon.dev) ([10.43.8.6]) by smtp-border-fw-52005.iad7.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2024 09:01:58 +0000 Received: from EX19MTAEUA002.ant.amazon.com [10.0.43.254:24685] by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.11.111:2525] with esmtp (Farcaster) id e18047fd-a900-4d3c-9747-c3e0335288bd; Mon, 4 Mar 2024 09:01:56 +0000 (UTC) X-Farcaster-Flow-ID: e18047fd-a900-4d3c-9747-c3e0335288bd Received: from EX19D007EUA002.ant.amazon.com (10.252.50.68) by EX19MTAEUA002.ant.amazon.com (10.252.50.126) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Mon, 4 Mar 2024 09:01:56 +0000 Received: from EX19MTAUEC001.ant.amazon.com (10.252.135.222) by EX19D007EUA002.ant.amazon.com (10.252.50.68) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Mon, 4 Mar 2024 09:01:56 +0000 Received: from HFA15-CG15235BS.amazon.com (10.1.212.49) by mail-relay.amazon.com (10.252.135.200) with Microsoft SMTP Server id 15.2.1258.28 via Frontend Transport; Mon, 4 Mar 2024 09:01:55 +0000 From: To: CC: , Shai Brandes Subject: [PATCH 11/33] net/ena/hal: optimize Rx ring submission queue Date: Mon, 4 Mar 2024 11:01:14 +0200 Message-ID: <20240304090136.861-12-shaibran@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240304090136.861-1-shaibran@amazon.com> References: <20240304090136.861-1-shaibran@amazon.com> MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Shai Brandes RX ring submission queue descriptors are always located in host memory This optimization replaces the generic descriptor retrieval method with a tailored method for host memory type descriptors to avoid unnecessary if statement. Signed-off-by: Shai Brandes Reviewed-by: Amit Bernstein --- drivers/net/ena/hal/ena_eth_com.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ena/hal/ena_eth_com.c b/drivers/net/ena/hal/ena_eth_com.c index d6811c7b48..dc2935a53e 100644 --- a/drivers/net/ena/hal/ena_eth_com.c +++ b/drivers/net/ena/hal/ena_eth_com.c @@ -631,9 +631,8 @@ int ena_com_add_single_rx_desc(struct ena_com_io_sq *io_sq, if (unlikely(!ena_com_sq_have_enough_space(io_sq, 1))) return ENA_COM_NO_SPACE; - desc = get_sq_desc(io_sq); - if (unlikely(!desc)) - return ENA_COM_FAULT; + /* virt_addr allocation success is checked before calling this function */ + desc = get_sq_desc_regular_queue(io_sq); memset(desc, 0x0, sizeof(struct ena_eth_io_rx_desc));