Re: [PATCH 1/8] net: qualcomm: rmnet: fix struct rmnet_map_header

From: Bjorn Andersson
Date: Mon May 20 2019 - 23:09:16 EST


On Mon 20 May 19:30 PDT 2019, Alex Elder wrote:

> On 5/20/19 8:32 PM, Subash Abhinov Kasiviswanathan wrote:
> >>
> >> If you are telling me that the command/data flag resides at bit
> >> 7 of the first byte, I will update the field masks in a later
> >> patch in this series to reflect that.
> >>
> >
> > Higher order bit is Command / Data.
>
> So what this means is that to get the command/data bit we use:
>
> first_byte & 0x80
>
> If that is correct I will remove this patch from the series and
> will update the subsequent patches so bit 7 is the command bit,
> bit 6 is reserved, and bits 0-5 are the pad length.
>
> I will post a v2 of the series with these changes, and will
> incorporate Bjorn's "Reviewed-by".
>

But didn't you say that your testing show that the current bit order is
wrong?

I still like the cleanup, if nothing else just to clarify and clearly
document the actual content of this header.

Regards,
Bjorn