ipfw NAT, igb and hardware checksums

2016-01-13 Thread Karim Fodil-Lemelin
Hi, I've hit a very interesting problem with ipfw-nat and local TCP traffic that has enough TCP options to hit a special case in m_megapullup(). Here is the story: I am using the following NIC: igb0@pci0:4:0:0:class=0x02 card=0x8086 chip=0x150e8086 rev=0x01 hdr=0x00 And

Re: ipfw NAT, igb and hardware checksums

2016-01-13 Thread Adrian Chadd
This looks mostly sensible. hm! -a On 13 January 2016 at 11:55, Karim Fodil-Lemelin wrote: > Hi, > > I've hit a very interesting problem with ipfw-nat and local TCP traffic that > has enough TCP options to hit a special case in m_megapullup(). Here is the > story: