Messages in this thread | | | Date | Mon, 12 Jul 2021 11:32:43 -0700 | From | Jakub Kicinski <> | Subject | Re: [PATCH net-next 1/9] devlink: add documentation for hns3 driver |
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On Mon, 12 Jul 2021 09:34:50 +0800 Guangbin Huang wrote: > +Parameters > +========== > + > +The ``hns3`` driver implements the following driver-specific > +parameters. > + > +.. list-table:: Driver-specific parameters implemented > + :widths: 10 10 10 70 > + > + * - Name > + - Type > + - Mode > + - Description > + * - ``rx_buf_len`` > + - U32 > + - driverinit > + - Set rx BD buffer size. > + * Now only support setting 2048 and 4096.
Can you elaborate further? If I was a user reading this I'd still have little confidence what this does. Does it change the size of each buffer put on the Rx ring between 2k and 4k? Why is that a devlink feature, we configure rings via ethtool.
> + * - ``tx_buf_size`` > + - U32 > + - driverinit > + - Set tx spare buf size. > + > + * The size is setted for tx bounce feature.
... and what is the tx bounce feature?
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