Hi Daniel, I posted some findings yesterday that seem relevant. Try using the ol flags when you use an RX free threshold below 32.
I am looking into what can be done to fix it for values of 32 and above. http://dpdk.org/ml/archives/dev/2013-November/000724.html Thanks, Bryan Benson ________________________________________ From: dev [dev-bounces at dpdk.org] on behalf of Daniel Kaminsky [daniel.kamin...@infinitelocality.com] Sent: Thursday, November 07, 2013 4:52 AM To: dev at dpdk.org Subject: [dpdk-dev] TX IP checksum offloading Hi, Did anyone had an experience using the PKT_TX_IP_CKSUM flag? I have an application that generates IP traffic but whenever I try to set this flag on (*m->ol_flags = PKT_TX_IP_CKSUM)* the rte_mbuf nothing is sent out. Retrieving that statistics from the ethernet device show zero for opackets and oerrors. I'm using ixgbe driver and DPDK 1.5.0-8 (from Intel) distribution. Thanks, Daniel
