From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx5.zte.com.cn (mx5.zte.com.cn [63.217.80.70]) by dpdk.org (Postfix) with ESMTP id 90C67475E for ; Mon, 5 Dec 2016 12:58:29 +0100 (CET) X-MAILFROM: X-RCPTTO: X-FROMIP: 10.30.3.20 X-SEG-Scaned: 1 X-Received: unknown,10.30.3.20,20161205195704 Received: from unknown (HELO mse01.zte.com.cn) (10.30.3.20) by localhost with (AES256-SHA encrypted) SMTP; 5 Dec 2016 11:57:04 -0000 Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id uB5BwCMR047508; Mon, 5 Dec 2016 19:58:12 +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 2016120519581479-677109 ; Mon, 5 Dec 2016 19:58:14 +0800 From: Yi Zhang To: maintainer@some.org Cc: dev@dpdk.org, Yi Zhang Date: Tue, 6 Dec 2016 08:12:27 +0800 Message-Id: <20161206001227.7290-1-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 2016-12-05 19:58:15, Serialize by Router on notes_smtp/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2016-12-05 19:58:00, Serialize complete at 2016-12-05 19:58:00 X-MAIL: mse01.zte.com.cn uB5BwCMR047508 X-HQIP: 127.0.0.1 Subject: [dpdk-dev] [dpdk-dev v2] net/ixgbe:fix incorrect 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: , X-List-Received-Date: Mon, 05 Dec 2016 11:58:30 -0000 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 --- 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; -- 2.9.3