From patchwork Fri Apr 14 05:47:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenjun Wu X-Patchwork-Id: 126069 X-Patchwork-Delegate: qi.z.zhang@intel.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 7E7054293B; Fri, 14 Apr 2023 07:48:11 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 55BFE42D47; Fri, 14 Apr 2023 07:48:05 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by mails.dpdk.org (Postfix) with ESMTP id DA6EA42D3C; Fri, 14 Apr 2023 07:48:03 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681451283; x=1712987283; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=R9VYDYa9lSFrPR7eA/MHgf1MceLL9gxLVonFo0+FI9o=; b=UUd5nw6ol6NhHSH4bzix/1vqDCLrU6VdPHgO2ev1oXBe4udBxoPQV6bT mG0J7+ih0Jal2hV13vyb4WAUyV0vQ3vuWYwy1icOgmshpILQsmnFIjnAA OZEHXPH5i+/mmMZBUy87XNLya/V3r6i1ru5ezYQ3mgdfChh/l/hnj7ycR wsP7ImX2fgmm02xbcNKSsB7PcV7Dwxbi6z42IrhZqtHig2AROkQUiAIPC K8DC+chP0R/SGzjFsovAZUOgdh2jkPS4lP9sO4obys1xU/bX/35M7Qgiw AzYsdoUdAOUuSYPn5xiIk9C6zMlhg7hW8hgn6clScUOTiW/ReXwj/S9Zm Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10679"; a="343150148" X-IronPort-AV: E=Sophos;i="5.99,195,1677571200"; d="scan'208";a="343150148" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Apr 2023 22:48:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10679"; a="779060354" X-IronPort-AV: E=Sophos;i="5.99,195,1677571200"; d="scan'208";a="779060354" Received: from dpdk-wuwenjun-icelake-ii.sh.intel.com ([10.67.110.157]) by FMSMGA003.fm.intel.com with ESMTP; 13 Apr 2023 22:48:00 -0700 From: Wenjun Wu To: dev@dpdk.org, Yuying.Zhang@intel.com, beilei.xing@intel.com, jingjing.wu@intel.com, qiming.yang@intel.com, qi.z.zhang@intel.com Cc: Wenjun Wu , stable@dpdk.org Subject: [PATCH v2 3/5] net/iavf: fix Rx data buffer size Date: Fri, 14 Apr 2023 13:47:42 +0800 Message-Id: <20230414054744.1399735-4-wenjun1.wu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230414054744.1399735-1-wenjun1.wu@intel.com> References: <20230414035151.1377726-1-wenjun1.wu@intel.com> <20230414054744.1399735-1-wenjun1.wu@intel.com> MIME-Version: 1.0 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 No matter what the mbuf size is, the data buffer size should not be greater than 16K - 128. Fixes: 69dd4c3d0898 ("net/avf: enable queue and device") Cc: stable@dpdk.org Signed-off-by: Wenjun Wu --- drivers/net/iavf/iavf_rxtx.c | 1 + drivers/net/iavf/iavf_rxtx.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c index b1d0fbceb6..0db3aabd92 100644 --- a/drivers/net/iavf/iavf_rxtx.c +++ b/drivers/net/iavf/iavf_rxtx.c @@ -697,6 +697,7 @@ iavf_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, len = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM; rxq->rx_buf_len = RTE_ALIGN_FLOOR(len, (1 << IAVF_RXQ_CTX_DBUFF_SHIFT)); + rxq->rx_buf_len = RTE_MIN(rxq->rx_buf_len, IAVF_RX_MAX_DATA_BUF_SIZE); /* Allocate the software ring. */ len = nb_desc + IAVF_RX_MAX_BURST; diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h index 09e2127db0..f205a2aaf1 100644 --- a/drivers/net/iavf/iavf_rxtx.h +++ b/drivers/net/iavf/iavf_rxtx.h @@ -16,6 +16,9 @@ /* used for Rx Bulk Allocate */ #define IAVF_RX_MAX_BURST 32 +/* Max data buffer size must be 16K - 128 bytes */ +#define IAVF_RX_MAX_DATA_BUF_SIZE (16 * 1024 - 128) + /* used for Vector PMD */ #define IAVF_VPMD_RX_MAX_BURST 32 #define IAVF_VPMD_TX_MAX_BURST 32