From patchwork Thu Dec 3 14:16:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lance Richardson X-Patchwork-Id: 84736 X-Patchwork-Delegate: ajit.khaparde@broadcom.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id C42D1A0524; Thu, 3 Dec 2020 15:16:34 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 4EE8AC940; Thu, 3 Dec 2020 15:16:33 +0100 (CET) Received: from mail-pf1-f195.google.com (mail-pf1-f195.google.com [209.85.210.195]) by dpdk.org (Postfix) with ESMTP id A41D1C910 for ; Thu, 3 Dec 2020 15:16:31 +0100 (CET) Received: by mail-pf1-f195.google.com with SMTP id 131so1354774pfb.9 for ; Thu, 03 Dec 2020 06:16:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:mime-version; bh=zAC4HbK274D3SdZd65gqVmPOw/4p43ciPTMds3fFx0w=; b=NV3i0L2fxZhRICr+Q7TuxqdDC3kZfnr78u26u3vdyeybU5zNb2iBT/F/YJgdf+dB2y cvYC09QbVqet7x1qtpO88wlcyblFyo7iuHhQmUhjT0wKC9ypTX89l4qn70zOUGIU0EJn DteGF1wo2u7aYyfWuWmYjMuZrJNH/QJBNNK2E= 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:mime-version; bh=zAC4HbK274D3SdZd65gqVmPOw/4p43ciPTMds3fFx0w=; b=Ddd82yYuPwRyzGXwkwD2/rIAWZYIqnALOYMK8JjRM3dNIbGEOOJMDWdgRClMBDR7OJ b3n0plCIseKKK4UaAY9of+cJ/Oyv7RIhBC0CKWUssQ13YA4+M1CZVBsfrMrbzdvyeDmt mJLIja73PhgUu981O3bk6yP4ygfvuCmaMABCwJvHQqNgyzFIoSyJi78yP77Jd7BF6cmv nDdlYN1svhgipAW7mbXng1IKGMRjnPH/RIx+bVnErqle+dcQNNS0Lz+i3TiQrJYnD869 u76ghdqapSs6cBQRYYy+7wL4wxfiwGyFKEm6/YQFGKjm92dMC0qo2XwzADI7A1RntZil XMnw== X-Gm-Message-State: AOAM533n50Ywg3hk6GgrEeksmxsoCxyb90RhoX9UQPThQfyO7rpHiy81 MKlmbaifHXhGg+BDh6VbHLlxFg== X-Google-Smtp-Source: ABdhPJz6Gbql8H5thWtascRTJE0uTwRhbdcJw0XgKid5Qdiel62BV/oQXRDSZ3Bf/8Jn85FPRB5q4A== X-Received: by 2002:a62:f809:0:b029:18e:f528:76e6 with SMTP id d9-20020a62f8090000b029018ef52876e6mr3428520pfh.28.1607004989715; Thu, 03 Dec 2020 06:16:29 -0800 (PST) Received: from localhost.localdomain ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id a6sm1992148pfo.194.2020.12.03.06.16.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Dec 2020 06:16:28 -0800 (PST) From: Lance Richardson To: Ajit Khaparde , Somnath Kotur Cc: dev@dpdk.org Date: Thu, 3 Dec 2020 09:16:21 -0500 Message-Id: <20201203141621.160040-1-lance.richardson@broadcom.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] [PATCH] net/bnxt: disable receive end-of-packet padding 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" Testing has shown that the packet forwarding rate for packet sizes that are not a multiple of the cache line size is reduced when the DMA size is padded to a multiple of the cache line size. Improve performance for these packet sizes by disabling EOP padding. Fixes: f4253e97e7b0 ("net/bnxt: set padding flags in Rx descriptor") Signed-off-by: Lance Richardson Reviewed-by: Ajit Kumar Khaparde Reviewed-by: Somnath Kotur --- drivers/net/bnxt/bnxt_rxr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c index fdbe6f71e..af1774844 100644 --- a/drivers/net/bnxt/bnxt_rxr.c +++ b/drivers/net/bnxt/bnxt_rxr.c @@ -1113,7 +1113,7 @@ int bnxt_init_one_rx_ring(struct bnxt_rx_queue *rxq) size = rte_pktmbuf_data_room_size(rxq->mb_pool) - RTE_PKTMBUF_HEADROOM; size = RTE_MIN(BNXT_MAX_PKT_LEN, size); - type = RX_PROD_PKT_BD_TYPE_RX_PROD_PKT | RX_PROD_PKT_BD_FLAGS_EOP_PAD; + type = RX_PROD_PKT_BD_TYPE_RX_PROD_PKT; rxr = rxq->rx_ring; ring = rxr->rx_ring_struct;