From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id 4DFDA1B58A for ; Thu, 7 Feb 2019 17:30:37 +0100 (CET) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us4.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 687D9B40157; Thu, 7 Feb 2019 16:30:36 +0000 (UTC) Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 7 Feb 2019 08:30:31 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Thu, 7 Feb 2019 08:30:31 -0800 Received: from ukv-loginhost.uk.solarflarecom.com (ukv-loginhost.uk.solarflarecom.com [10.17.10.39]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id x17GUURm015334; Thu, 7 Feb 2019 16:30:30 GMT Received: from ukv-loginhost.uk.solarflarecom.com (localhost [127.0.0.1]) by ukv-loginhost.uk.solarflarecom.com (Postfix) with ESMTP id 2739E1613EB; Thu, 7 Feb 2019 16:30:30 +0000 (GMT) From: Andrew Rybchenko To: CC: Igor Romanov Date: Thu, 7 Feb 2019 16:29:26 +0000 Message-ID: <1549556983-10896-22-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1549556983-10896-1-git-send-email-arybchenko@solarflare.com> References: <1549556983-10896-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.5.1010-24412.006 X-TM-AS-Result: No-5.426000-4.000000-10 X-TMASE-MatchedRID: 5pjjHMf2CR7iPg+Hg1zylQwfhKwa9GwDICU/2RC8uwPRLEyE6G4DRHB4 4IkzjfYy5o/rYvVL+ieAMuqetGVethtouMvD9sV53QfwsVk0UbtuRXh7bFKB7mi9W5t+6wT5wTP 4FbNxVOrf0lam2cztabiZKrIx0mTJS4W/MRhJ1X4= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--5.426000-4.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1010-24412.006 X-MDID: 1549557037-egJ3esMwkma5 Subject: [dpdk-dev] [PATCH 21/38] net/sfc/base: round number of queue buffers up X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Feb 2019 16:30:37 -0000 From: Igor Romanov Functions efx_*q_nbufs return the number of a queue buffers by dividing the queue size by page size. If minimum size of a queue is smaller than one page, we still need the page and number of buffers should not be 0. Signed-off-by: Igor Romanov Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/base/efx_ev.c | 2 +- drivers/net/sfc/base/efx_rx.c | 2 +- drivers/net/sfc/base/efx_tx.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/sfc/base/efx_ev.c b/drivers/net/sfc/base/efx_ev.c index 21f4c226c..b98623995 100644 --- a/drivers/net/sfc/base/efx_ev.c +++ b/drivers/net/sfc/base/efx_ev.c @@ -188,7 +188,7 @@ efx_evq_nbufs( __in const efx_nic_t *enp, __in unsigned int ndescs) { - return (efx_evq_size(enp, ndescs) / EFX_BUF_SIZE); + return (EFX_DIV_ROUND_UP(efx_evq_size(enp, ndescs), EFX_BUF_SIZE)); } void diff --git a/drivers/net/sfc/base/efx_rx.c b/drivers/net/sfc/base/efx_rx.c index c0d738128..8a12ef705 100644 --- a/drivers/net/sfc/base/efx_rx.c +++ b/drivers/net/sfc/base/efx_rx.c @@ -781,7 +781,7 @@ efx_rxq_nbufs( __in const efx_nic_t *enp, __in unsigned int ndescs) { - return (efx_rxq_size(enp, ndescs) / EFX_BUF_SIZE); + return (EFX_DIV_ROUND_UP(efx_rxq_size(enp, ndescs), EFX_BUF_SIZE)); } void diff --git a/drivers/net/sfc/base/efx_tx.c b/drivers/net/sfc/base/efx_tx.c index bbe2bd1b7..5cf3dcd3a 100644 --- a/drivers/net/sfc/base/efx_tx.c +++ b/drivers/net/sfc/base/efx_tx.c @@ -312,7 +312,7 @@ efx_txq_nbufs( __in const efx_nic_t *enp, __in unsigned int ndescs) { - return (efx_txq_size(enp, ndescs) / EFX_BUF_SIZE); + return (EFX_DIV_ROUND_UP(efx_txq_size(enp, ndescs), EFX_BUF_SIZE)); } __checkReturn efx_rc_t -- 2.17.1