From: David Miller <davem@davemloft.net>
To: ecree@solarflare.com
Cc: linux-net-drivers@solarflare.com, netdev@vger.kernel.org
Subject: Re: [PATCH v2 net-next 0/4] sfc: encapsulated filters
Date: Fri, 27 Jan 2017 11:59:53 -0500 (EST) [thread overview]
Message-ID: <20170127.115953.1732560410043160047.davem@davemloft.net> (raw)
In-Reply-To: <9baa375c-b3b1-f640-04fb-e234c85a4e93@solarflare.com>
From: Edward Cree <ecree@solarflare.com>
Date: Fri, 27 Jan 2017 15:00:45 +0000
> This series adds support for setting up filters for encapsulated traffic on
> SFC 8000-series adapters, which recognise VXLAN, GENEVE and NVGRE packets by
> parsing packet headers. (VXLAN and GENEVE will only be recognised if the
> driver on the primary PF has notified the firmware of relevant UDP ports,
> which this driver does not yet do.)
> While the driver currently has no way of using these filters for flow
> steering, it is nonetheless necessary to insert catch-all (aka 'default')
> filters to direct this traffic, similar to the existing unencapsulated uni-
> and multi-cast catch-all filters, as otherwise the traffic will be dropped
> by the NIC - implementation details of the hardware filtering mean that the
> traffic will not get matched on outer MAC address to unencapsulated catch-
> all filters. (Yes, this is a mess.)
> Although this is, therefore, fixing a bug in the existing driver, it's a bug
> which has existed since 8000 series support was added, and the fix involves
> quite a big patch with an 'adding features' flavour to it, hence why this is
> for net-next rather than net and stable.
>
> v2: move netif_cond_dbg into netdevice.h and its own patch
Yes, this looks better, series applied.
Thanks!
next prev parent reply other threads:[~2017-01-27 17:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-27 15:00 [PATCH v2 net-next 0/4] sfc: encapsulated filters Edward Cree
2017-01-27 15:02 ` [PATCH net-next 1/4] sfc: fixes to filter restore handling Edward Cree
2017-01-27 15:02 ` [PATCH net-next 2/4] net: implement netif_cond_dbg macro Edward Cree
2017-01-27 15:02 ` [PATCH net-next 3/4] sfc: refactor debug-or-warnings printks Edward Cree
2017-01-27 15:02 ` [PATCH net-next 4/4] sfc: insert catch-all filters for encapsulated traffic Edward Cree
2017-01-27 16:59 ` David Miller [this message]
2017-01-27 18:03 ` [PATCH v2 net-next 0/4] sfc: encapsulated filters Tom Herbert
2017-01-31 11:42 ` Edward Cree
2017-01-31 17:38 ` Tom Herbert
2017-02-01 14:02 ` Edward Cree
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