Messages in this thread | | | Date | Wed, 26 Jul 2023 10:36:46 +0200 | From | Andrew Lunn <> | Subject | Re: [PATCH net-next v2 1/2] r8152: adjust generic_ocp_write function |
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On Wed, Jul 26, 2023 at 11:08:07AM +0800, Hayes Wang wrote: > Reduce the control transfer if all bytes of first or the last DWORD are > written. > > The original method is to split the control transfer into three parts > (the first DWORD, middle continuous data, and the last DWORD). However, > they could be combined if whole bytes of the first DWORD or last DWORD > are written. That is, the first DWORD or the last DWORD could be combined > with the middle continuous data, if the byte_en is 0xff.
How often is byte_en 0xff? Do you have some benchmark numbers to show it is worth the complexity?
Andrew
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