From patchwork Fri Jan 22 16:04:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Krawczyk X-Patchwork-Id: 87096 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 E98C2A0A0A; Fri, 22 Jan 2021 17:05:20 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3266C141011; Fri, 22 Jan 2021 17:05:14 +0100 (CET) Received: from mail-lj1-f179.google.com (mail-lj1-f179.google.com [209.85.208.179]) by mails.dpdk.org (Postfix) with ESMTP id B0F5B140FF2 for ; Fri, 22 Jan 2021 17:05:11 +0100 (CET) Received: by mail-lj1-f179.google.com with SMTP id a25so5950719ljn.0 for ; Fri, 22 Jan 2021 08:05:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qAGcbE/8C6YZSmDnpwVlRU0MfE/Vd8NZ+9YBGVzN+kY=; b=m+zlQdLgqoACoC0yqF12WgmmoOsRmGmU3pNgcXo3GzMubiz98bkoCD5Fqyzz4crkol 65FO5VJxfxj8CP6PzetSnl0ogjGRXuZheaYxOuvlzEEktEhfVK0tEkqaQCAX1YCOWyhB Med64Rw2em6viBFwzLgUqcKe+8ThF4eQbSRKWqOpg1O7l89W76ZYHX57oHHOaJj0ugNP d7aGVQRkPU2wQbDb7yjJZc1/ekm1yMo6LOrP+JcaSHYE5GJL5puh6h/voNJOoWLaWzOH wBM2D3+q9eI9a9y1mFW82PFa0z3TvhkIbDzw+1xvRtfTaJwQUWElHGWlosf3a9gqEf4P oivw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qAGcbE/8C6YZSmDnpwVlRU0MfE/Vd8NZ+9YBGVzN+kY=; b=Wn4npjfLZPCxSb8clnrcpTiGQ3ZyiA9WzveE5WCSyeouUdt3genEeXnUkIEZK6uUdu XJwkFoET9nQbHomqqijvOgbXzZJz+cVnnHLxgDXKj+KvucK8VMGeB5qwq3sm3Kpih/ux bJSL5nxZ3RCvBJpshn0VIok4vxCW8kopTstrjS+KqilEz9znqXJ5lCZE0DkSq/MY7Kme tO1ZF/BehpgP+13Z8kCYDeVxAtYZ/zoyZu+7hqIJZL1BW95CHysAN+hBB6yYzR30JgiD 4oPd86DG1aAkCoRgpvx2kbmERw4D6LS32ctsU6V9akYBhMYr7ZHyC+CJCJBVN/mocjLO jfkg== X-Gm-Message-State: AOAM532CksgIvUuRaIa9+CUw1ypQQmNs00TNy48iiaD4xfQE7KymznWt 3IrQ3N4JrAF3WT8iLRxSocRFOm7o9DMvNniq X-Google-Smtp-Source: ABdhPJxCKDb2YL8rLS9TgCt8LQuP7yxy7SshKTLXwc+zqnLY7XH4QxQoisd3pv9RLbd8rlp3sqU0Ow== X-Received: by 2002:a2e:8695:: with SMTP id l21mr563129lji.151.1611331510994; Fri, 22 Jan 2021 08:05:10 -0800 (PST) Received: from mkPC.int.semihalf.com (193-106-246-138.noc.fibertech.net.pl. [193.106.246.138]) by smtp.gmail.com with ESMTPSA id s2sm934063lfs.2.2021.01.22.08.05.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jan 2021 08:05:10 -0800 (PST) From: Michal Krawczyk To: dev@dpdk.org Cc: gtzalik@amazon.com, igorch@amazon.com, mw@semihalf.com, Ido Segev , stable@dpdk.org, Michal Krawczyk Date: Fri, 22 Jan 2021 17:04:58 +0100 Message-Id: <20210122160501.2273782-2-mk@semihalf.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210122160501.2273782-1-mk@semihalf.com> References: <20210122160501.2273782-1-mk@semihalf.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 1/4] net/ena: flush Rx buffers memory pool cache 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 Sender: "dev" From: Ido Segev As the refill called as part of ena_start(), we end up the refill progress with stuck buffers at the caller core cache. Calling to flush the cache results with invalidate this cache and free those stuck buffers. Fixes: 1173fca25af9 ("ena: add polling-mode driver") Cc: stable@dpdk.org Signed-off-by: Ido Segev Reviewed-by: Michal Krawczyk Reviewed-by: Igor Chauskin --- drivers/net/ena/ena_ethdev.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c index 20ff3653c6..516e244295 100644 --- a/drivers/net/ena/ena_ethdev.c +++ b/drivers/net/ena/ena_ethdev.c @@ -1246,6 +1246,10 @@ static int ena_queue_start(struct ena_ring *ring) PMD_INIT_LOG(ERR, "Failed to populate rx ring !"); return ENA_COM_FAULT; } + /* Flush per-core RX buffers pools cache as they can be used on other + * cores as well. + */ + rte_mempool_cache_flush(NULL, ring->mb_pool); return 0; }