Re: [PATCH net] ravb: Decrease TxFIFO depth of Q3 and Q2 to one

2019-03-07 Thread Sergei Shtylyov
Hello! On 03/07/2019 01:24 PM, Simon Horman wrote: > From: Masaru Nagai > > Hardware has the CBS (Credit Based Shaper) which affects only Q3 > and Q2. When updating the CBS settings, We seem to only write the defaults into TCG, not update them below... Do we really use TX queues 2/3? I thou

Re: [PATCH net] ravb: Decrease TxFIFO depth of Q3 and Q2 to one

2019-03-07 Thread David Miller
From: Simon Horman Date: Thu, 7 Mar 2019 11:24:47 +0100 > From: Masaru Nagai > > Hardware has the CBS (Credit Based Shaper) which affects only Q3 > and Q2. When updating the CBS settings, even if the driver does so > after waiting for Tx DMA finished, there is a possibility that frame > data s