Date: Wed, 5 Apr 2017 15:53:05 -0600 From: Sean Bruno <sbruno@freebsd.org> To: Vijay Singh <vijju.singh@gmail.com>, "freebsd-net@freebsd.org" <net@freebsd.org> Subject: Re: Intel 82545 & TSO Message-ID: <793b585e-8af4-56e3-97eb-942efbc8d06c@freebsd.org> In-Reply-To: <CALCNsJQ4-ERmdH4j8zpT3t42F-1ngh5_-UB9rAt-ez9tZDDDXA@mail.gmail.com> References: <CALCNsJQ4-ERmdH4j8zpT3t42F-1ngh5_-UB9rAt-ez9tZDDDXA@mail.gmail.com>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --FC6V5GUtBqtOWAhNGTiBj0FIHAVbpTv2R Content-Type: multipart/mixed; boundary="K0Rtwt3AkWPE0sQMV77JCQlB2kuPMdKmD"; protected-headers="v1" From: Sean Bruno <sbruno@freebsd.org> To: Vijay Singh <vijju.singh@gmail.com>, "freebsd-net@freebsd.org" <net@freebsd.org> Message-ID: <793b585e-8af4-56e3-97eb-942efbc8d06c@freebsd.org> Subject: Re: Intel 82545 & TSO References: <CALCNsJQ4-ERmdH4j8zpT3t42F-1ngh5_-UB9rAt-ez9tZDDDXA@mail.gmail.com> In-Reply-To: <CALCNsJQ4-ERmdH4j8zpT3t42F-1ngh5_-UB9rAt-ez9tZDDDXA@mail.gmail.com> --K0Rtwt3AkWPE0sQMV77JCQlB2kuPMdKmD Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable 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: >=20 > " 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." >=20 > 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? >=20 > em0@pci0:2:0:0: class=3D0x020000 card=3D0x075015ad chip=3D0x100f8086 re= v=3D0x01 hdr=3D0x00 > vendor =3D 'Intel Corporation' > device =3D '82545EM Gigabit Ethernet Controller (Copper)' > class =3D network > subclass =3D ethernet >=20 > ifconfig -vvvm em0 > em0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu = 1500 > options=3D8009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCS= UM,LINKSTATE> > capabilities=3D9009b<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 >=20 >=20 > -vijay > _______________________________________________ Just so that I'm sure, what version of FreeBSD is this from? sean --K0Rtwt3AkWPE0sQMV77JCQlB2kuPMdKmD-- --FC6V5GUtBqtOWAhNGTiBj0FIHAVbpTv2R Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEEuq1GMucSHejSCZfdEgHvyh5yfmQFAljlZ0FfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEJB QUQ0NjMyRTcxMjFERThEMjA5OTdERDEyMDFFRkNBMUU3MjdFNjQACgkQEgHvyh5y fmSVpAf+IxWn7rYAhpX6wnA0xhuHCp8HpjVmYCJ98bnIeu91V2SIgL+dDwtzfr00 544U/DQhXnoZYtvBUMIzcanc0/wXrTNDwVUazgSsTDhMsNpdfmvHjcd5KB+XHYvE gW8AQJvT7Jbsd727pS449NCNIKmvoY7/h5i4cfYWMgtXUj/s2dqTFQfsyMT6rVcH mkYfOHtmP64P/CKlsI6bLVhPL64LfBmnd77L2OeUcyEqmuZ4zh0SDJ2ndapHUthM sOha8Swdn/H5woVPJXkw3YzE/u9pYsmboJjOHnuJwnA/QpBfmKa2HlgG5Ro4drSI DrYFOM6UfRkjcP1NoihbMqUcxw3Bng== =RvGw -----END PGP SIGNATURE----- --FC6V5GUtBqtOWAhNGTiBj0FIHAVbpTv2R--
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