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From: Stephen Hemminger <stephen@networkplumber.org>
To: Roopa Prabhu <roopa@cumulusnetworks.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
	ramanb@cumulusnetworks.com, jbenc@redhat.com, pshelar@ovn.org
Subject: Re: [PATCH cumulus-4.1.y 2/5] vxlan: don't replace fdb entry if nothing changed
Date: Mon, 23 Jan 2017 09:02:11 -0800	[thread overview]
Message-ID: <20170123090211.6bcd2afc@xeon-e3> (raw)
In-Reply-To: <1484984410-3304-2-git-send-email-roopa@cumulusnetworks.com>

On Fri, 20 Jan 2017 23:40:07 -0800
Roopa Prabhu <roopa@cumulusnetworks.com> wrote:

> +	if (!vxlan_addr_equal(&rd->remote_ip, ip) ||
> +	    rd->remote_port != port ||
> +	    rd->remote_vni != vni ||
> +	    rd->remote_ifindex != ifindex) {
> +		dst_cache_reset(&rd->dst_cache);
> +		rd->remote_ip = *ip;
> +		rd->remote_port = port;
> +		rd->remote_vni = vni;
> +		rd->remote_ifindex = ifindex;
> +		return 1;
> +	}
> +

I think it would be clearer if negative logic was avoided.

	if (vxlan_addr_equal(&rd->remote_ip, ip) &&
	    rd->remote_port == port &&
	    rd->remote_vni == vni &&
            rd->ermote_ifindex == ifndex)
		return 1;

	dst_cache_reset ...

  reply	other threads:[~2017-01-23 17:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-21  7:40 [PATCH cumulus-4.1.y 1/5] vxlan: flush fdb entries on oper down Roopa Prabhu
2017-01-21  7:40 ` [PATCH cumulus-4.1.y 2/5] vxlan: don't replace fdb entry if nothing changed Roopa Prabhu
2017-01-23 17:02   ` Stephen Hemminger [this message]
2017-01-24  0:14     ` Roopa Prabhu
2017-01-21  7:40 ` [PATCH cumulus-4.1.y 3/5] vxlan: enforce precedence for static over dynamic fdb entry Roopa Prabhu
2017-01-21  7:40 ` [PATCH cumulus-4.1.y 4/5] vxlan: don't flush static fdb entries on admin down Roopa Prabhu
2017-01-21  9:25   ` kbuild test robot
2017-01-21  7:40 ` [PATCH cumulus-4.1.y 5/5] vxlan: do not age static remote mac entries Roopa Prabhu
2017-01-21  7:41 ` [PATCH cumulus-4.1.y 1/5] vxlan: flush fdb entries on oper down Roopa Prabhu
2017-01-21  8:54 ` kbuild test robot
2017-01-21  8:58 ` kbuild test robot
2017-01-23 16:59 ` Stephen Hemminger
2017-01-24  0:11   ` Roopa Prabhu

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