> -----Original Message----- > From: Thomas Petazzoni [mailto:[email protected]] > Sent: Sunday, March 04, 2018 11:25 AM > To: Stefan Chulski <[email protected]> > Cc: Antoine Tenart <[email protected]>; [email protected]; > Yan Markman <[email protected]>; [email protected]; linux- > [email protected]; [email protected]; > [email protected]; [email protected]; Nadav Haklai > <[email protected]>; [email protected] > Subject: Re: [PATCH net-next 3/5] net: mvpp2: use a data size of 10kB for Tx > FIFO on port 0 > > Hello, > > On Sun, 4 Mar 2018 06:29:59 +0000, Stefan Chulski wrote: > > > > Is there a reason to hardcode 10KB for port 0, and 3KB for the other ports > ? > > > Would there be use cases where the user may want different > > > configurations ? > > > > Design requirement are 10KB TX FIFO for the 10Gb/sec and 2.5KB for the > 2.5Gb/sec. > > What is a "design requirement" ? Is it a HW design limitation ?
We can call it HW design limitation. Anyway to support 10Gb/sec port should have at least 10KB TX FIFO. > So, the limitation has nothing to do with CP110 really, it's just a > limitation of > PPv2.2, and mentioning CP110 in the comment doesn't make much sense, > correct ? I will change it. Stefan.
