From patchwork Tue Feb 20 07:34:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Rybchenko X-Patchwork-Id: 35278 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C05E11B3F8; Tue, 20 Feb 2018 08:36:10 +0100 (CET) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id CD2211B2F9 for ; Tue, 20 Feb 2018 08:35:40 +0100 (CET) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us3.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 99ECF9C005B for ; Tue, 20 Feb 2018 07:35:39 +0000 (UTC) Received: from sfocexch01r.SolarFlarecom.com (10.20.40.34) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Mon, 19 Feb 2018 23:35:37 -0800 Received: from ocex03.SolarFlarecom.com (10.20.40.36) by sfocexch01r.SolarFlarecom.com (10.20.40.34) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Mon, 19 Feb 2018 23:35:15 -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 15.0.1044.25 via Frontend Transport; Mon, 19 Feb 2018 23:35:14 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w1K7ZExH025121; Tue, 20 Feb 2018 07:35:14 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w1K7ZBtv020529; Tue, 20 Feb 2018 07:35:14 GMT From: Andrew Rybchenko To: CC: Andy Moreton Date: Tue, 20 Feb 2018 07:34:03 +0000 Message-ID: <1519112078-20113-46-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1519112078-20113-1-git-send-email-arybchenko@solarflare.com> References: <1519112078-20113-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 X-MDID: 1519112140-C01C9aOk20zF Subject: [dpdk-dev] [PATCH 45/80] net/sfc/base: remove MAC stats size define 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Andy Moreton Signed-off-by: Andy Moreton Signed-off-by: Andrew Rybchenko --- drivers/net/sfc/base/efx.h | 5 ++--- drivers/net/sfc/base/siena_mac.c | 2 +- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h index 09926ba..5cb3fd0 100644 --- a/drivers/net/sfc/base/efx.h +++ b/drivers/net/sfc/base/efx.h @@ -561,7 +561,6 @@ efx_mac_stats_get_mask( ((_mask)[(_stat) / EFX_MAC_STATS_MASK_BITS_PER_PAGE] & \ (1ULL << ((_stat) & (EFX_MAC_STATS_MASK_BITS_PER_PAGE - 1)))) -#define EFX_MAC_STATS_SIZE 0x400 extern __checkReturn efx_rc_t efx_mac_stats_clear( @@ -570,8 +569,8 @@ efx_mac_stats_clear( /* * Upload mac statistics supported by the hardware into the given buffer. * - * The reference buffer must be at least %EFX_MAC_STATS_SIZE bytes, - * and page aligned. + * The DMA buffer must be 4Kbyte aligned and sized to hold at least + * efx_nic_cfg_t::enc_mac_stats_nstats 64bit counters. * * The hardware will only DMA statistics that it understands (of course). * Drivers should not make any assumptions about which statistics are diff --git a/drivers/net/sfc/base/siena_mac.c b/drivers/net/sfc/base/siena_mac.c index f395355..f8857cd 100644 --- a/drivers/net/sfc/base/siena_mac.c +++ b/drivers/net/sfc/base/siena_mac.c @@ -434,7 +434,7 @@ siena_mac_stats_update( SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value); EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value); - EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE); + EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFSYS_MEM_SIZE(esmp)); EFSYS_MEM_READ_BARRIER(); SIENA_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_START, &generation_start);