Re: [PATCH net-next v2 3/6] net: lan966x: add port module support

[Andrew Lunn]

> If I undestood you correctly I have tried to do the following:
> 
> struct lan966x_ifh {
>     __be32 timestamp;
>     __be32 bypass : 1;
>     __be32 port : 3;
>     ...
> };
> 
> But then I start to get errors from sparse:
> 
> error: invalid bitfield specifier for type restricted __be32.

Maybe look at struct iphdr. It has bitfields for the header length and
the IP version.

    Andrew