2018-04-11 12:17 UTC+0200 ~ Jesper Dangaard Brouer <bro...@redhat.com>
> On Tue, 10 Apr 2018 15:41:57 +0100
> Quentin Monnet <quentin.mon...@netronome.com> wrote:
>
>> diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
>> index 7343af4196c8..db090ad03626 100644
>> --- a/include/uapi/linux/bpf.h
>> +++ b/include/uapi/linux/bpf.h
>> @@ -1250,6 +1250,51 @@ union bpf_attr {
>> * Return
>> * 0 on success, or a negative error in case of failure.
>> *
>> + * int bpf_redirect_map(struct bpf_map *map, u32 key, u64 flags)
>> + * Description
>> + * Redirect the packet to the endpoint referenced by *map* at
>> + * index *key*. Depending on its type, his *map* can contain
>> + * references to net devices (for forwarding packets through other
>> + * ports), or to CPUs (for redirecting XDP frames to another CPU;
>> + * but this is not fully implemented as of this writing).
>
> Stating that CPUMAP redirect "is not fully implemented" is confusing.
> The issue is that CPUMAP only works for "native" XDP.
>
> What about saying:
>
> "[...] or to CPUs (for redirecting XDP frames to another CPU;
> but this is only implemented for native XDP as of this writing)"
>
Fine by me, I will change it. Thank you Jesper for the review!
Quentin
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