From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Cc: Ralf Baechle <ralf@linux-mips.org>,
Paul Burton <paul.burton@mips.com>,
James Hogan <jhogan@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next 05/15] net: sgi: ioc3-eth: allocate space for desc rings only once
Date: Wed, 28 Aug 2019 15:58:09 -0700 [thread overview]
Message-ID: <20190828155809.5c155bee@cakuba.netronome.com> (raw)
In-Reply-To: <20190828140315.17048-6-tbogendoerfer@suse.de>
On Wed, 28 Aug 2019 16:03:04 +0200, Thomas Bogendoerfer wrote:
> Memory for descriptor rings are allocated/freed, when interface is
> brought up/down. Since the size of the rings is not changeable by
> hardware, we now allocate rings now during probe and free it, when
> device is removed.
>
> Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
So the rings still get freed and allocated from ioc3_init()
but there's a set allocated from the start? I guess that makes
some sense..
Most drivers will allocate rings in open() and free them in close().
next prev parent reply other threads:[~2019-08-28 22:58 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-28 14:02 [PATCH net-next 00/15] ioc3-eth improvements Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 01/15] MIPS: SGI-IP27: remove ioc3 ethernet init Thomas Bogendoerfer
2019-08-28 20:45 ` Paul Burton
2019-08-28 14:03 ` [PATCH net-next 02/15] MIPS: SGI-IP27: restructure ioc3 register access Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 03/15] net: sgi: ioc3-eth: remove checkpatch errors/warning Thomas Bogendoerfer
2019-08-28 17:10 ` Joe Perches
2019-08-28 19:55 ` Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 04/15] net: sgi: ioc3-eth: use defines for constants dealing with desc rings Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 05/15] net: sgi: ioc3-eth: allocate space for desc rings only once Thomas Bogendoerfer
2019-08-28 22:58 ` Jakub Kicinski [this message]
2019-08-28 14:03 ` [PATCH net-next 06/15] net: sgi: ioc3-eth: get rid of ioc3_clean_rx_ring() Thomas Bogendoerfer
2019-08-28 23:02 ` Jakub Kicinski
2019-08-29 8:52 ` Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 07/15] net: sgi: ioc3-eth: separate tx and rx ring handling Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 08/15] net: sgi: ioc3-eth: introduce chip start function Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 09/15] net: sgi: ioc3-eth: split ring cleaning/freeing and allocation Thomas Bogendoerfer
2019-08-28 23:04 ` Jakub Kicinski
2019-08-28 14:03 ` [PATCH net-next 10/15] net: sgi: ioc3-eth: refactor rx buffer allocation Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 11/15] net: sgi: ioc3-eth: use dma-direct for dma allocations Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 12/15] net: sgi: ioc3-eth: use csum_fold Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 13/15] net: sgi: ioc3-eth: Fix IPG settings Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 14/15] net: sgi: ioc3-eth: protect emcr in all cases Thomas Bogendoerfer
2019-08-28 14:03 ` [PATCH net-next 15/15] net: sgi: ioc3-eth: no need to stop queue set_multicast_list Thomas Bogendoerfer
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