There is really not enough information here to make a real evaluation. kernel is old, hardware is unspecified, and the real problem is not well identified.
Begin forwarded message: Date: Thu, 3 Sep 2015 10:51:44 +0000 From: "bugzilla-dae...@bugzilla.kernel.org" <bugzilla-dae...@bugzilla.kernel.org> To: "shemmin...@linux-foundation.org" <shemmin...@linux-foundation.org> Subject: [Bug 103991] New: skb legth doesn't match the sum of all the fragments length https://bugzilla.kernel.org/show_bug.cgi?id=103991 Bug ID: 103991 Summary: skb legth doesn't match the sum of all the fragments length Product: Networking Version: 2.5 Kernel Version: 3.13.0-62-generic Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: IPV4 Assignee: shemmin...@linux-foundation.org Reporter: tht1...@mailinator.com Regression: No The DUT has 2 interfaces with the same 10GB Ethernet card . The driver and H/W support TSO at 10G speed. IP forwarding on the DUT is enabled. Run iperf from a system connected to one interface to a system connedted to the second interface: system A -------> DUT -------> system B Watch the outgoing skbs on the DUT to system B: On packets with nr_frags == MAX_SKB_FRAGS (17) skb_len is *NOT* equal the some of the skb->len - skb->data_len + all of its frag->size. -- You are receiving this mail because: You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html