Date: Fri, 25 Nov 2011 09:47:54 +0100 From: Stefan Bethke <stb@lassitu.de> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-stable@freebsd.org List" <freebsd-stable@freebsd.org> Subject: Re: TCP Reassembly Issues Message-ID: <CE77219C-7D24-4D7B-A0C0-12D3F567621F@lassitu.de> In-Reply-To: <CAJ-VmokMrJipptQWjuhY5-41p=-P2-xc3ze1p4JKTXWz3MgtzA@mail.gmail.com> References: <CAPNZ-Wq38=F3o2hYuYF_unBj3SZQ52XhVhdcwQ8PE_vU9xc2YA@mail.gmail.com> <CABLqceRyohFFYtdnW%2Bt%2B63kwk00cbkJVz3oXWqrR=xijkg14CA@mail.gmail.com> <4ECE9914.6020502@turing.b2n.org> <CAPNZ-WrQdjFEErt6K1uEndSc082q8Q48VHvtbP=5cNXFw7H7Rg@mail.gmail.com> <1A5B3A48-7DF3-4018-A244-152BDE96299A@lassitu.de> <CAJ-VmokMrJipptQWjuhY5-41p=-P2-xc3ze1p4JKTXWz3MgtzA@mail.gmail.com>
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Am 25.11.2011 um 00:35 schrieb Adrian Chadd:
> Have you tried disabling the tcp offload features of your NIC?
I'm using my em0 as a VLAN trunk, and I'm under the impression that that =
disables all the hardware assists in the controller. Also, the LAN vlan =
is bridged via OpenVPN and tap, making the whole bunch promiscous, which =
I believe also forces off the acceleration.
em0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric =
0 mtu 1500
=
options=3D219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_=
MAGIC>
ether 00:1c:c0:7d:8c:50
inet6 fe80::21c:c0ff:fe7d:8c50%em0 prefixlen 64 scopeid 0x1=20
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
bridge0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 =
mtu 1500
ether 02:00:00:00:00:01
inet6 2001:470:1f0b:1064::1 prefixlen 64=20
inet 44.128.65.1 netmask 0xffffffc0 broadcast 44.128.65.63
inet6 fe80::21c:c0ff:fe7d:8c50%bridge0 prefixlen 64 scopeid 0xd=20=
nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL>
id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
member: vlan1 flags=3D143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 15 priority 128 path cost 55
member: tap0 flags=3D143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 14 priority 128 path cost 2000000
vlan1: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> =
metric 0 mtu 1500
options=3D3<RXCSUM,TXCSUM>
ether 00:1c:c0:7d:8c:50
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
vlan: 1 parent interface: em0
em0@pci0:0:25:0: class=3D0x020000 card=3D0x50038086 =
chip=3D0x10cd8086 rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82567LF-2 Gigabit Network Connection'
class =3D network
subclass =3D ethernet
cap 01[c8] =3D powerspec 2 supports D0 D3 current D0
cap 05[d0] =3D MSI supports 1 message, 64 bit enabled with 1 message
cap 09[e0] =3D vendor (length 6) Intel cap 2 version 0
--=20
Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
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