From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 54B08A04B5; Tue, 3 Dec 2019 03:27:18 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A036D1F28; Tue, 3 Dec 2019 03:27:17 +0100 (CET) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id 6629D235 for ; Tue, 3 Dec 2019 03:27:15 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Dec 2019 18:27:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,271,1571727600"; d="scan'208";a="293633584" Received: from intel.sh.intel.com ([10.239.255.134]) by orsmga001.jf.intel.com with ESMTP; 02 Dec 2019 18:27:13 -0800 From: Junyu Jiang To: dev@dpdk.org Cc: Wenzhuo Lu , Qiming Yang , Junyu Jiang Date: Mon, 2 Dec 2019 20:03:27 +0000 Message-Id: <20191202200327.38509-1-junyux.jiang@intel.com> X-Mailer: git-send-email 2.17.1 Subject: [dpdk-dev] [PATCH] net/ixgbe: enable jumbo frame for VF 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" Enable jumbo frame for VF by configuring DPDK PF. Signed-off-by: Junyu Jiang --- drivers/net/ixgbe/ixgbe_pf.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c index d0d85e138..66b856e11 100644 --- a/drivers/net/ixgbe/ixgbe_pf.c +++ b/drivers/net/ixgbe/ixgbe_pf.c @@ -544,6 +544,7 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); uint32_t new_mtu = msgbuf[1]; uint32_t max_frs; + uint32_t hlreg0; int max_frame = new_mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; /* X540 and X550 support jumbo frames in IOV mode */ @@ -560,6 +561,18 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) & IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT; if (max_frs < new_mtu) { + hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0); + if (new_mtu > RTE_ETHER_MAX_LEN) { + dev->data->dev_conf.rxmode.offloads |= + DEV_RX_OFFLOAD_JUMBO_FRAME; + hlreg0 |= IXGBE_HLREG0_JUMBOEN; + } else { + dev->data->dev_conf.rxmode.offloads &= + ~DEV_RX_OFFLOAD_JUMBO_FRAME; + hlreg0 &= ~IXGBE_HLREG0_JUMBOEN; + } + IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0); + max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT; IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs); } -- 2.17.1