Re: ipfw NAT, igb and hardware checksums

2016-01-13 Thread Alexander V . Chernikov
13.01.2016, 22:56, "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=0x8

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: > > I am using the following

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 wh