Re: [PATCH iproute2-next 3/3] Improve batch times by caching link lookups

[Stephen Hemminger]

On Mon,  7 Jan 2019 14:55:52 -0800
David Ahern <dsah...@kernel.org> wrote:

> +     idx = ll_link_get(name);
> +     if (idx == 0)
> +             idx = if_nametoindex(name);

What is advantage of using netlink, other than not having to open
a socket.