From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yong Wang Subject: [PATCH v3 6/6] net/vmxnet3: enable lro Date: Mon, 29 Aug 2016 12:18:50 -0700 Message-ID: <1472498330-18591-7-git-send-email-yongwang@vmware.com> References: <1471997140-46527-2-git-send-email-yongwang@vmware.com> <1472498330-18591-1-git-send-email-yongwang@vmware.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , Yong Wang To: Return-path: Received: from EX13-EDG-OU-002.vmware.com (ex13-edg-ou-002.vmware.com [208.91.0.190]) by dpdk.org (Postfix) with ESMTP id 6CCBBFFA for ; Mon, 29 Aug 2016 21:35:58 +0200 (CEST) In-Reply-To: <1472498330-18591-1-git-send-email-yongwang@vmware.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The current implementation of jumbo frame rx can be used for LRO directly without changes. This change enables device LRO if requested. Note that since jumbo frame uses both ring0 and ring1, it cannot be enabled in UPT (VMDirectPath) mode. Signed-off-by: Yong Wang Acked-by: Stephen Hemminger --- doc/guides/nics/features/vmxnet3.ini | 1 + drivers/net/vmxnet3/vmxnet3_ethdev.c | 8 +++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/doc/guides/nics/features/vmxnet3.ini b/doc/guides/nics/features/vmxnet3.ini index c5c75ad..ef95932 100644 --- a/doc/guides/nics/features/vmxnet3.ini +++ b/doc/guides/nics/features/vmxnet3.ini @@ -9,6 +9,7 @@ Link status event = Y Queue start/stop = Y MTU update = Y Jumbo frame = Y +LRO = Y TSO = Y Promiscuous mode = Y Allmulticast mode = Y diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index cdbcb78..a41106d 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -540,6 +540,11 @@ vmxnet3_setup_driver_shared(struct rte_eth_dev *dev) if (dev->data->dev_conf.rxmode.hw_ip_checksum) devRead->misc.uptFeatures |= VMXNET3_F_RXCSUM; + if (dev->data->dev_conf.rxmode.enable_lro) { + devRead->misc.uptFeatures |= VMXNET3_F_LRO; + devRead->misc.maxNumRxSG = 0; + } + if (port_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) { ret = vmxnet3_rss_configure(dev); if (ret != VMXNET3_SUCCESS) @@ -741,7 +746,8 @@ vmxnet3_dev_info_get(__rte_unused struct rte_eth_dev *dev, dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP | DEV_RX_OFFLOAD_UDP_CKSUM | - DEV_RX_OFFLOAD_TCP_CKSUM; + DEV_RX_OFFLOAD_TCP_CKSUM | + DEV_RX_OFFLOAD_TCP_LRO; dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT | -- 1.9.1