Re: DSA vs envelope frames

2016-12-01 Thread Toshiaki Makita
On 2016/11/30 23:58, Nikita Yushchenko wrote: >>> (1) When DSA is in use, frames processed by FEC chip contain DSA tag and >>> thus can be larger than hardcoded limit of 1522. This issue is not >>> FEC-specific, any driver that hardcodes maximum frame size to 1522 (many >>> do) will have this issue

Re: DSA vs envelope frames

2016-11-30 Thread Florian Fainelli
On 11/30/2016 07:10 AM, Andrew Lunn wrote: >> What is not really clear - what if several tagging protocols are used >> together. AFAIU, things may be more complex that simple appending of >> tags, e.g. EDSA tag can carry VLAN id inside. > > Hi Nikita > > At least for all current tagging protoco

Re: DSA vs envelope frames

2016-11-30 Thread Andrew Lunn
> What is not really clear - what if several tagging protocols are used > together. AFAIU, things may be more complex that simple appending of > tags, e.g. EDSA tag can carry VLAN id inside. Hi Nikita At least for all current tagging protocols, the size of the tag is constant. And you cannot run