Re: [PATCH v7 net-next 12/15] net: mvpp2: add BM protection underrun feature support

2021-02-04 Thread Marcin Wojtas
Hi, wt., 2 lut 2021 o 09:18 napisaƂ(a): > > From: Stefan Chulski > > Feature double size of BPPI by decreasing number of pools from 16 to 8. How about: 'The PP2v23 hardware supports a feature allowing to double the size of...' ? > Increasing of BPPI size protect BM drop from BPPI underrun. > U

[PATCH v7 net-next 12/15] net: mvpp2: add BM protection underrun feature support

2021-02-02 Thread stefanc
From: Stefan Chulski Feature double size of BPPI by decreasing number of pools from 16 to 8. Increasing of BPPI size protect BM drop from BPPI underrun. Underrun could occurred due to stress on DDR and as result slow buffer transition from BPPE to BPPI. New BPPI threshold recommended by spec is:

[PATCH v7 net-next 12/15] net: mvpp2: add BM protection underrun feature support

2021-01-31 Thread stefanc
From: Stefan Chulski Feature double size of BPPI by decreasing number of pools from 16 to 8. Increasing of BPPI size protect BM drop from BPPI underrun. Underrun could occurred due to stress on DDR and as result slow buffer transition from BPPE to BPPI. New BPPI threshold recommended by spec is: