From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH iproute2-next 3/3] Improve batch times by caching link
 lookups
Date: Mon, 7 Jan 2019 16:05:08 -0800
Message-ID: <20190107160508.4d1dcb81@hermes.lan>
References: <20190107225552.8441-1-dsahern@kernel.org>
        <20190107225552.8441-4-dsahern@kernel.org>
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Cc: netdev@vger.kernel.org, David Ahern <dsahern@gmail.com>
To: David Ahern <dsahern@kernel.org>
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On Mon,  7 Jan 2019 14:55:52 -0800
David Ahern <dsahern@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.