From: David Miller <davem@davemloft.net>
To: sfeldma@gmail.com
Cc: netdev@vger.kernel.org, jiri@resnulli.us, roopa@cumulusnetworks.com
Subject: Re: [PATCH net-next v3 0/7] switchdev: add IPv4 routing offload
Date: Thu, 05 Mar 2015 00:07:17 -0500 (EST) [thread overview]
Message-ID: <20150305.000717.479876439702052068.davem@davemloft.net> (raw)
In-Reply-To: <CAE4R7bDTV38bR2Oo2nfO6gFQQBhC4avmWdYeK_2sj1bqZWQiEg@mail.gmail.com>
From: Scott Feldman <sfeldma@gmail.com>
Date: Wed, 4 Mar 2015 20:50:28 -0800
> I don't know what to do for v4. Bummer, we got pretty close. My only
> ideas right now involve more code to handling unwinding some routes
> from hw when related route fails to install to hw.
Scott:
1) route ADD
driver has NULL ndo_op, do nothing, install sw route
ndo_op SUCCESS, return 0, all is good and the caller sets the
external bit
ndo_op FAILURE, returns any error code, any and all external
routes are removed with DEL ndo_op, all external bits are
cleared
2) route DEL
driver has NULL ndo_op, do nothing
ndo_op SUCCESS, return 0, clear external bit
ndo_op FAILURE, pass failure up the delete call stack
next prev parent reply other threads:[~2015-03-05 5:07 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-03 23:31 [PATCH net-next v3 0/7] switchdev: add IPv4 routing offload sfeldma
2015-03-03 23:31 ` [PATCH net-next v3 1/7] rtnetlink: add RTNH_F_EXTERNAL flag for fib offload sfeldma
2015-03-03 23:31 ` [PATCH net-next v3 2/7] netdevice: add IPv4 fib add/del ops sfeldma
2015-03-03 23:31 ` [PATCH net-next v3 3/7] switchdev: add IPv4 fib ndo ops wrappers sfeldma
2015-03-03 23:31 ` [PATCH net-next v3 4/7] switchdev: don't support custom ip rules, for now sfeldma
2015-03-03 23:31 ` [PATCH net-next v3 5/7] switchdev: implement IPv4 fib ndo wrappers sfeldma
2015-03-03 23:31 ` [PATCH net-next v3 6/7] fib: hook IPv4 fib for hardware offload sfeldma
2015-03-04 0:01 ` Alexander Duyck
2015-03-04 3:16 ` Scott Feldman
2015-03-05 7:03 ` John Fastabend
2015-03-05 7:05 ` David Miller
2015-03-03 23:32 ` [PATCH net-next v3 7/7] rocker: implement IPv4 fib offloading sfeldma
2015-03-04 5:38 ` [PATCH net-next v3 0/7] switchdev: add IPv4 routing offload David Miller
2015-03-04 7:28 ` Scott Feldman
2015-03-04 21:06 ` David Miller
2015-03-05 4:50 ` Scott Feldman
2015-03-05 5:04 ` David Miller
2015-03-05 5:07 ` David Miller [this message]
2015-03-05 7:18 ` John Fastabend
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