From: Jakub Kicinski <kuba@kernel.org>
To: "Westergreen, Dalon" <dalon.westergreen@intel.com>
Cc: "mkubecek@suse.cz" <mkubecek@suse.cz>,
"davem@davemloft.net" <davem@davemloft.net>,
"Tan, Ley Foon" <ley.foon.tan@intel.com>,
"See, Chin Liang" <chin.liang.see@intel.com>,
"Nguyen, Dinh" <dinh.nguyen@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"Ooi, Joyce" <joyce.ooi@intel.com>,
"thor.thayer@linux.intel.com" <thor.thayer@linux.intel.com>
Subject: Re: [PATCH v4 09/10] net: eth: altera: add msgdma prefetcher
Date: Tue, 14 Jul 2020 12:13:17 -0700 [thread overview]
Message-ID: <20200714121317.732331aa@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <9a8ba2616f72fb44cdc3b45fabfb4d7bdf961fd0.camel@intel.com>
On Tue, 14 Jul 2020 18:51:15 +0000 Westergreen, Dalon wrote:
> > I've seen vendors abuse fields of ethtool --coalesce to configure
> > similar settings. tx-usecs-irq and rx-usecs-irq, I think. Since this
> > part of ethtool API has been ported to netlink, could we perhaps add
> > a new field to ethtool --coalesce?
>
> I don't think this is necessary, i think just having a module parameter
> meets our needs. I don't see a need for the value to change on a per
> interface basis. This was primarily used during testing / bringup.
It's hard to tell which knobs users will find worth turning therefore
the testing / bringup justification unfortunately has little bearing on
our upstream interface choices.
We try hard to avoid module parameters in networking drivers, so if you
want this tunable upstream a proper user interface will be required.
next prev parent reply other threads:[~2020-07-14 19:13 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-08 7:23 [PATCH v4 00/10] net: eth: altera: tse: Add PTP and mSGDMA prefetcher Ooi, Joyce
2020-07-08 7:23 ` [PATCH v4 01/10] net: eth: altera: tse_start_xmit ignores tx_buffer call response Ooi, Joyce
2020-07-23 16:32 ` Thor Thayer
2020-07-08 7:23 ` [PATCH v4 02/10] net: eth: altera: set rx and tx ring size before init_dma call Ooi, Joyce
2020-07-23 16:33 ` Thor Thayer
2020-07-08 7:23 ` [PATCH v4 03/10] net: eth: altera: fix altera_dmaops declaration Ooi, Joyce
2020-07-23 16:33 ` Thor Thayer
2020-07-08 7:23 ` [PATCH v4 04/10] net: eth: altera: add optional function to start tx dma Ooi, Joyce
2020-07-23 16:35 ` Thor Thayer
2020-07-08 7:23 ` [PATCH v4 05/10] net: eth: altera: Move common functions to altera_utils Ooi, Joyce
2020-07-23 16:39 ` Thor Thayer
2020-07-08 7:23 ` [PATCH v4 06/10] net: eth: altera: Add missing identifier names to function declarations Ooi, Joyce
2020-07-23 16:40 ` Thor Thayer
2020-07-08 7:23 ` [PATCH v4 07/10] net: eth: altera: change tx functions to type netdev_tx_t Ooi, Joyce
2020-07-23 16:41 ` Thor Thayer
2020-07-08 7:23 ` [PATCH v4 08/10] net: eth: altera: add support for ptp and timestamping Ooi, Joyce
2020-07-09 11:31 ` Richard Cochran
2020-07-15 3:48 ` Ooi, Joyce
2020-07-23 17:05 ` Thor Thayer
2020-07-08 7:24 ` [PATCH v4 09/10] net: eth: altera: add msgdma prefetcher Ooi, Joyce
2020-07-08 17:33 ` David Miller
2020-07-14 14:36 ` Ooi, Joyce
2020-07-08 21:49 ` Jakub Kicinski
2020-07-14 14:35 ` Ooi, Joyce
2020-07-14 15:55 ` Jakub Kicinski
2020-07-14 15:58 ` Westergreen, Dalon
2020-07-14 16:29 ` Jakub Kicinski
2020-07-14 18:51 ` Westergreen, Dalon
2020-07-14 19:13 ` Jakub Kicinski [this message]
2020-07-14 20:23 ` David Miller
2020-07-14 23:25 ` Westergreen, Dalon
2020-07-08 7:24 ` [PATCH v4 10/10] net: eth: altera: update devicetree bindings documentation Ooi, Joyce
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