mtahhan@xxxxxxxxxx writes:
> From: Maryam Tahhan <mtahhan@xxxxxxxxxx>
>
> Add documentation for BPF_MAP_TYPE_DEVMAP and
> BPF_MAP_TYPE_DEVMAP_HASH including kernel version
> introduced, usage and examples.
>
> Add documentation that describes XDP_REDIRECT.
>
> Signed-off-by: Maryam Tahhan <mtahhan@xxxxxxxxxx>
With one small nit below:
Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
[...]
> +The following code snippet shows a BPF program that is broadcasting packets to
> +all the interfaces in the ``tx_port`` devmap.
> +
> +.. code-block:: c
> +
> + SEC("xdp")
> + int xdp_redirect_map_func(struct xdp_md *ctx)
> + {
> + int index = ctx->ingress_ifindex;
Let's get rid of this index variable (it's not used).
> + return bpf_redirect_map(&tx_port, 0, BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS);
> + }
-Toke
