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Message-ID: <9B0331B6EBBD0E4684FBFAEDA55776F919413D1D@HASMSX110.ger.corp.intel.com> Date: Tue, 18 Aug 2015 04:54:53 +0000 From: "Rosen, Rami" <rami.rosen@...el.com> To: Premkumar Jonnala <pjonnala@...adcom.com>, roopa <roopa@...ulusnetworks.com> CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: RE: [PATCH] bridge: Enable configuration of ageing interval for bridges and switch devices. Hi, First, I agree about the need to propagate the ageing interval to switchdev devices, so that hardware based aging can be setup correctly. Second, in this occasion, I want to mention the need to turn off bridge ageing in the kernel as part of using switchdev devices. This is mentioned in https://kernel.googlesource.com/pub/scm/linux/kernel/git/davem/net-next/+/master/Documentation/networking/switchdev.txt: ... XXX: how to turn off ageing in kernel on a per-port basis or otherwise prevent the kernel from ageing out the FDB entry? ... One can think of the option of using value 0 of the ageing interval as an indication to turn off bridge ageing in the kernel, and any other value bigger than MIN_AGEING_INTERVAL_SECS to turn on bridge ageing. As another option for a *per-port* boolean flag for enabling/disabling ageing, one can think of adding an IFLA_BRPORT_AGEING bool flag (and BR_AGEING) for IFLA_PROTINFO. Regards, Rami Rosen Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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