Re: userspace access to "u8", "u16", etc. types with filter.h

Philip Blundell (pb@nexus.co.uk)
Fri, 22 Jan 1999 13:50:40 +0100

>The problem is however, when I include <linux/filter.h> the u* types are
>not defined. I cannot find a header file that defines them for
>userspace programs. <asm/types.h> has the definitions that I want, but
>they are wrapped with a _KERNEL_ macro.

Including <linux/*> headers from user space is always dubious. Either typedef
those names yourself or duplicate the structure with types that do exist.

>dhclient uses obsolete (PF_INET,SOCK_PACKET)
>
>message as well. If somebody can point me to what has obsoleted this
>facility I will see about updating that part of the dhcp client as well.

AF_PACKET is the new way to do this.

p.

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