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 042B84554D; Tue, 2 Jul 2024 16:47:14 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9CEA640DD8; Tue, 2 Jul 2024 16:46:50 +0200 (CEST) Received: from smtp-fw-80007.amazon.com (smtp-fw-80007.amazon.com [99.78.197.218]) by mails.dpdk.org (Postfix) with ESMTP id 7EF8C40DD6 for ; Tue, 2 Jul 2024 16:46:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1719931609; x=1751467609; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=BxKGN0H1tnUC8gFJ3VDuxmlOLKWsanGzo57I6tq1MHI=; b=r1Qc7RJmBa5SgAQZCPFM7FWfGCZRUr9P2YjQonJZEuIlHaIxpfKYl1H4 mFjR4CWPeNtHn8aRn1ev7F7HuLJA1ABHRsAcZsMXX6XaonbkzuLiNPLYv yQOF53WyCp+3RgHnoqaQu2bMNQ5wROhUbJMKv0v6KWfmFfM1tTifz+H3m k=; X-IronPort-AV: E=Sophos;i="6.09,178,1716249600"; d="scan'208";a="307931883" Received: from pdx4-co-svc-p1-lb2-vlan2.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.25.36.210]) by smtp-border-fw-80007.pdx80.corp.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jul 2024 14:46:49 +0000 Received: from EX19MTAEUA002.ant.amazon.com [10.0.17.79:20180] by smtpin.naws.eu-west-1.prod.farcaster.email.amazon.dev [10.0.7.37:2525] with esmtp (Farcaster) id f4530de2-8687-4cf3-b78f-6d622f0d5595; Tue, 2 Jul 2024 14:46:47 +0000 (UTC) X-Farcaster-Flow-ID: f4530de2-8687-4cf3-b78f-6d622f0d5595 Received: from EX19D007EUB004.ant.amazon.com (10.252.51.85) by EX19MTAEUA002.ant.amazon.com (10.252.50.124) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.34; Tue, 2 Jul 2024 14:46:42 +0000 Received: from EX19MTAUWB001.ant.amazon.com (10.250.64.248) by EX19D007EUB004.ant.amazon.com (10.252.51.85) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.34; Tue, 2 Jul 2024 14:46:41 +0000 Received: from HFA15-CG15235BS.amazon.com (10.85.143.173) by mail-relay.amazon.com (10.250.64.254) with Microsoft SMTP Server id 15.2.1258.34 via Frontend Transport; Tue, 2 Jul 2024 14:46:40 +0000 From: To: CC: , Shai Brandes Subject: [PATCH 05/15] net/ena/base: add method to check used entries Date: Tue, 2 Jul 2024 17:46:16 +0300 Message-ID: <20240702144626.14545-6-shaibran@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240702144626.14545-1-shaibran@amazon.com> References: <20240702144626.14545-1-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 Provide a method to check the number of used entries in the send queue Signed-off-by: Shai Brandes --- drivers/net/ena/base/ena_eth_com.h | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/net/ena/base/ena_eth_com.h b/drivers/net/ena/base/ena_eth_com.h index 4e3d0fb6fd..877668612c 100644 --- a/drivers/net/ena/base/ena_eth_com.h +++ b/drivers/net/ena/base/ena_eth_com.h @@ -82,15 +82,14 @@ static inline void ena_com_unmask_intr(struct ena_com_io_cq *io_cq, ENA_REG_WRITE32(io_cq->bus, intr_reg->intr_control, io_cq->unmask_reg); } -static inline int ena_com_free_q_entries(struct ena_com_io_sq *io_sq) +static inline u16 ena_com_used_q_entries(struct ena_com_io_sq *io_sq) { - u16 tail, next_to_comp, cnt; - - next_to_comp = io_sq->next_to_comp; - tail = io_sq->tail; - cnt = tail - next_to_comp; + return io_sq->tail - io_sq->next_to_comp; +} - return io_sq->q_depth - 1 - cnt; +static inline int ena_com_free_q_entries(struct ena_com_io_sq *io_sq) +{ + return io_sq->q_depth - 1 - ena_com_used_q_entries(io_sq); } /* Check if the submission queue has enough space to hold required_buffers */ -- 2.17.1