Re: [E1000-devel] How to read the RX flow hash indirection table

2017-11-22 Thread Alexander Duyck
Yeah, I think you get it. The 8 columns is just the layout of how they decided to print the table. They are printing 8 entries per row. - Alex On Wed, Nov 22, 2017 at 9:43 AM, Michał Purzyński wrote: > Ah, so it's just the representation that's confusing! > > 352: 2 3 4 5

Re: [E1000-devel] How to read the RX flow hash indirection table

2017-11-22 Thread Michał Purzyński
Ah, so it's just the representation that's confusing! 352: 2 3 4 5 6 7 8 9 360: 10111213 0 1 2 3 Core 9 corresponds to 359 indeed. Thanks for the explanation, I can see why. On Wed, Nov 22, 2017 at 6:39 PM, Michał Purzyński <

Re: [E1000-devel] How to read the RX flow hash indirection table

2017-11-22 Thread Michał Purzyński
Thanks, it's almost clear now - one more thing. There seems to be 8 columns in this table. Let's say the lowest 9 bits of my hash are 8 decimal For 8 the table reads 8: 8 910111213 0 1 The value 8 is an index into a table that yields a row - which of those co

Re: [E1000-devel] How to read the RX flow hash indirection table

2017-11-22 Thread Alexander Duyck
Comments inline below. On Wed, Nov 22, 2017 at 8:23 AM, Michał Purzyński wrote: > Hello! > > How do I read the indirection table, then one that can be shown with > ethtool -x? What is the meaning of columns vs rows and what those numbers > are trying to tell me? I'm guessing it's kind of like a w

[E1000-devel] How to read the RX flow hash indirection table

2017-11-22 Thread Michał Purzyński
Hello! How do I read the indirection table, then one that can be shown with ethtool -x? What is the meaning of columns vs rows and what those numbers are trying to tell me? I'm guessing it's kind of like a weight, but I'm not sure how to understand it. RX flow hash indirection table for p3p1 wit