Re: Ethernet jumbo frame support in sparc64 (ultrasparc)
David Laight <[email protected]>
| Newsgroups | gmane.os.netbsd.ports.sparc64 |
|---|---|
| Message-ID | <[email protected]> |
On Fri, Aug 24, 2012 at 12:52:32PM -0700, Erik E. Fair wrote: > What's the state of ethernet jumbo frame support (support for MTU > larger than 1500) in the Ethernet NICs that typically show up in > UltraSPARC systems, e.g. hme, gem, bge? Which ones support it, and > how big is the MTU allowed to get in each case? (this should all > be in our man pages ...) Are any of those likely to have hardware limits - apart from the number of bytes representable in a single ring entry? If hme is the sbus FEPS (fast ethernet/parallel/scsi) chip, ISTR that has to use overlong receive buffers due to some rounding/length issue. (Relevent brains cells are asleep.) David -- David Laight: [email protected]