From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takuya ASADA Subject: [PATCH] virtio: Add default_txconf Date: Mon, 23 Feb 2015 16:51:25 +0900 Message-ID: <1424677885-24171-1-git-send-email-syuu@cloudius-systems.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" When I tried to launch test-pmd on KVM guest of Fedora21, I got following error: Configuring Port 0 (socket 0) Fail to configure port 0 tx queues EAL: Error - exiting with code: 1 Cause: Start ports failed I found that the error caused here, and actual error message was "TX checksum offload not supported": http://dpdk.org/browse/dpdk/tree/lib/librte_pmd_virtio/virtio_rxtx.c#n425 This patch adds default_txconf on virtio pmd, to avoid the error. Signed-off-by: Takuya ASADA --- lib/librte_pmd_virtio/virtio_ethdev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/virtio_ethdev.c index b3b5bb6..9c183bb 100644 --- a/lib/librte_pmd_virtio/virtio_ethdev.c +++ b/lib/librte_pmd_virtio/virtio_ethdev.c @@ -1188,6 +1188,9 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE; dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN; dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS; + dev_info->default_txconf = (struct rte_eth_txconf) { + .txq_flags = ETH_TXQ_FLAGS_NOOFFLOADS + }; } /* -- 2.1.0