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

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Date:   Mon, 7 Jan 2019 16:05:08 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     David Ahern <dsahern@...nel.org>
Cc:     netdev@...r.kernel.org, David Ahern <dsahern@...il.com>
Subject: Re: [PATCH iproute2-next 3/3] Improve batch times by caching link
 lookups

On Mon,  7 Jan 2019 14:55:52 -0800
David Ahern <dsahern@...nel.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.