From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 55FBF43C5B; Wed, 6 Mar 2024 13:26:21 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3134742E47; Wed, 6 Mar 2024 13:25:19 +0100 (CET) Received: from smtp-fw-52003.amazon.com (smtp-fw-52003.amazon.com [52.119.213.152]) by mails.dpdk.org (Postfix) with ESMTP id CD5DB42E3B for ; Wed, 6 Mar 2024 13:25:16 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1709727917; x=1741263917; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=esilZkeoYx3BW4n7Z8Lk/G/rK4AxwqZp+CW/Ijc+K9g=; b=giAwi0K4FiOK4HEcta13CaaNzuilONZlspYHStGefYOgZXe4QhRJHEy3 Ok1BiWpfOs4GFMQakkCWrkA7o1H2jVm87jZt261SlhrYu83bvquWadSBd Pouy+a/L82NMGK2EshUPTlahqSsZw1PGAcBMJNoGs++3sY6Y4sd3XdNNE E=; X-IronPort-AV: E=Sophos;i="6.06,208,1705363200"; d="scan'208";a="642739696" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.43.8.6]) by smtp-border-fw-52003.iad7.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2024 12:25:15 +0000 Received: from EX19MTAEUC002.ant.amazon.com [10.0.10.100:31728] by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.42.123:2525] with esmtp (Farcaster) id 31885fa1-d8c6-4821-ba1f-a080647ba205; Wed, 6 Mar 2024 12:25:13 +0000 (UTC) X-Farcaster-Flow-ID: 31885fa1-d8c6-4821-ba1f-a080647ba205 Received: from EX19D007EUA004.ant.amazon.com (10.252.50.76) by EX19MTAEUC002.ant.amazon.com (10.252.51.245) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Wed, 6 Mar 2024 12:25:13 +0000 Received: from EX19MTAUWA001.ant.amazon.com (10.250.64.204) by EX19D007EUA004.ant.amazon.com (10.252.50.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.28; Wed, 6 Mar 2024 12:25:12 +0000 Received: from HFA15-CG15235BS.amazon.com (10.1.213.21) by mail-relay.amazon.com (10.250.64.204) with Microsoft SMTP Server id 15.2.1258.28 via Frontend Transport; Wed, 6 Mar 2024 12:25:11 +0000 From: To: CC: , Shai Brandes Subject: [PATCH v3 11/33] net/ena/hal: optimize Rx ring submission queue Date: Wed, 6 Mar 2024 14:24:23 +0200 Message-ID: <20240306122445.4350-12-shaibran@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240306122445.4350-1-shaibran@amazon.com> References: <20240306122445.4350-1-shaibran@amazon.com> MIME-Version: 1.0 Content-Type: text/plain 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)); -- 2.17.1