Trait kernel::net::filter::Filter

pub trait Filter {
    type Data: PointerWrapper + Sync = ();

    fn filter(
        _data: <Self::Data as PointerWrapper>::Borrowed<'_>, 
        _skb: &SkBuff
    ) -> Disposition;
}

A network filter.

Provided Associated Types

type Data: PointerWrapper + Sync = ()

The type of the context data stored on registration and made available to the Filter::filter function.

Required Methods

fn filter(
    _data: <Self::Data as PointerWrapper>::Borrowed<'_>,
    _skb: &SkBuff
) -> Disposition

Filters the packet stored in the given buffer.

It dictates to the netfilter core what the fate of the packet should be.

Implementors