Subject: Re: [PATCH bpf v2 1/3] bpf_redirect_neigh: Support supplying the nexthop as a helper parameter

From: Toke Høiland-Jørgensen <[email-masked]>
Date: Tue, 20 Oct 2020 20:03:39 +0200

Jakub Kicinski <[email-masked]> writes:

> On Tue, 20 Oct 2020 12:51:02 +0200 Toke Høiland-Jørgensen wrote:
>> +struct bpf_nh_params {
>> +	u8 nh_family;
>> +	union {
>> +		__u32 ipv4_nh;
>> +		struct in6_addr ipv6_nh;
>> +	};
>> +};
>
> Folks, not directly related to this set, but there's a SRv6 patch going
> around which adds ifindex, otherwise nh can't be link local.
>
> I wonder if we want to consider this use case from the start (or the
> close approximation of start in this case ;)).

The ifindex is there, it's just in the function call signature instead
of the struct... Or did you mean something different?

-Toke