Intel 82545 & TSO

[Vijay Singh]

This is from FreeBSD 10.3.

On Wed, Apr 5, 2017 at 2:53 PM, Sean Bruno <sbruno at freebsd.org> wrote:

>
>
> On 04/05/17 10:26, Vijay Singh wrote:
> > I am running FreeBSD as a guest on ESX 5.x and see Intel device 0x100F in
> > the guest. The man page for em(4) says:
> >
> > " The driver supports Transmit/Receive checksum offload and Jumbo
> > Frames on all but 82542-based adapters. Furthermore it supports TCP
> > segmentation offload (TSO) on all adapters but those based on the
> > 82543, 82544 and 82547 controller chips."
> >
> > This particular device is probed by the if_lem.c driver, but I see no
> > support for TSO in that file. I have verified that TSO is enabled on
> > the host. What am  I missing?
> >
> > em0 at pci0:2:0:0: class=0x020000 card=0x075015ad chip=0x100f8086 rev=0x01
> hdr=0x00
> >     vendor     = 'Intel Corporation'
> >     device     = '82545EM Gigabit Ethernet Controller (Copper)'
> >     class      = network
> >     subclass   = ethernet
> >
> > ifconfig -vvvm em0
> > em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
> 1500
> >         options=8009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_
> HWCSUM,LINKSTATE>
> >         capabilities=9009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_
> HWTAGGING,VLAN_HWCSUM,VLAN_HWFILTER,LINKSTATE>
> >         ether 02:a0:98:ec:26:1d
> >         media: Ethernet autoselect (1000baseT <full-duplex>)
> >         status: active
> >         supported media:
> >                 media autoselect
> >                 media 100baseTX mediaopt full-duplex
> >                 media 100baseTX
> >                 media 10baseT/UTP mediaopt full-duplex
> >                 media 10baseT/UTP
> >
> >
> > -vijay
> > _______________________________________________
>
> Just so that I'm sure, what version of FreeBSD is this from?
>
> sean
>
>