Date: Wed, 5 Apr 2017 14:54:03 -0700 From: Vijay Singh <vijju.singh@gmail.com> To: Sean Bruno <sbruno@freebsd.org> Cc: "freebsd-net@freebsd.org" <net@freebsd.org> Subject: Re: Intel 82545 & TSO Message-ID: <CALCNsJRMW7fNm%2Bt91F5zd3MsTzg7-F1a1ujiUvUL8dbQO-C44w@mail.gmail.com> In-Reply-To: <793b585e-8af4-56e3-97eb-942efbc8d06c@freebsd.org> References: <CALCNsJQ4-ERmdH4j8zpT3t42F-1ngh5_-UB9rAt-ez9tZDDDXA@mail.gmail.com> <793b585e-8af4-56e3-97eb-942efbc8d06c@freebsd.org>
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This is from FreeBSD 10.3. On Wed, Apr 5, 2017 at 2:53 PM, Sean Bruno <sbruno@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@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 > >
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