From patchwork Wed Dec 14 18:50:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Zhang X-Patchwork-Id: 17954 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 [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 276A42A5D; Wed, 14 Dec 2016 07:35:08 +0100 (CET) Received: from out1.zte.com.cn (out1.zte.com.cn [202.103.147.172]) by dpdk.org (Postfix) with ESMTP id C2FB8282 for ; Wed, 14 Dec 2016 07:35:06 +0100 (CET) X-MAILFROM: X-RCPTTO: X-FROMIP: 10.30.3.20 X-SEG-Scaned: 1 X-Received: unknown,10.30.3.20,20161214143044 Received: from unknown (HELO mse01.zte.com.cn) (10.30.3.20) by localhost with (AES256-SHA encrypted) SMTP; 14 Dec 2016 06:30:44 -0000 Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id uBE6YJ6p028441; Wed, 14 Dec 2016 14:34:19 +0800 (GMT-8) (envelope-from zhang.yi75@zte.com.cn) Received: from host146.localdomain ([10.43.166.146]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2016121414342297-487494 ; Wed, 14 Dec 2016 14:34:22 +0800 From: Yi Zhang To: maintainer@some.org Cc: dev@dpdk.org, Yi Zhang Date: Thu, 15 Dec 2016 02:50:19 +0800 Message-Id: <20161214185019.19581-1-zhang.yi75@zte.com.cn> X-Mailer: git-send-email 2.9.3 X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2016-12-14 14:34:23, Serialize by Router on notes_smtp/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2016-12-14 14:34:00, Serialize complete at 2016-12-14 14:34:00 X-MAIL: mse01.zte.com.cn uBE6YJ6p028441 X-HQIP: 127.0.0.1 Subject: [dpdk-dev] [PATCH v3] net/ixgbe:fix max packet length in ixgbevf 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" Current ixgbevf driver get max_rx_pktlen = 15872, but in fact PF supports 15872-byte jumbo frame and VF only supports 9728-byte jumbo frame. If VF is running DPDK driver and set frame_size > 9728 ,PF running kernel ixgbe driver will report an error and set VF failed. This patch fixs DPDK ixgbevf driver to get correct jumbo frame size of VF. Signed-off-by: Yi Zhang Acked-by: Wei Dai --- drivers/net/ixgbe/ixgbe_ethdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index edc9b22..573252c 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -3168,7 +3168,7 @@ ixgbevf_dev_info_get(struct rte_eth_dev *dev, dev_info->max_rx_queues = (uint16_t)hw->mac.max_rx_queues; dev_info->max_tx_queues = (uint16_t)hw->mac.max_tx_queues; dev_info->min_rx_bufsize = 1024; /* cf BSIZEPACKET in SRRCTL reg */ - dev_info->max_rx_pktlen = 15872; /* includes CRC, cf MAXFRS reg */ + dev_info->max_rx_pktlen = 9728; /* includes CRC, cf MAXFRS reg */ dev_info->max_mac_addrs = hw->mac.num_rar_entries; dev_info->max_hash_mac_addrs = IXGBE_VMDQ_NUM_UC_MAC; dev_info->max_vfs = dev->pci_dev->max_vfs;