From: Jeff Garzik <jeff@garzik•org>
To: Jeff Kirsher <jeffrey.t.kirsher@intel•com>
Cc: davem@davemloft•net, netdev@vger•kernel.org, gospo@redhat•com,
Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel•com>
Subject: Re: [net-next-2.6 PATCH] ethtool: Add n-tuple string length to drvinfo and return it
Date: Fri, 26 Feb 2010 08:59:22 -0500 [thread overview]
Message-ID: <4B87D3BA.7050404@garzik.org> (raw)
In-Reply-To: <4B87D31B.4000001@garzik.org>
[-- Attachment #1: Type: text/plain, Size: 938 bytes --]
On 02/26/2010 08:56 AM, Jeff Garzik wrote:
> However, perhaps consider the following patch for returning n-tuple
> count, for four reasons:
>
> 1) space in ethtool_drvinfo is limited
>
> 2) the patch below permits trivial string set addition, without
> ABI changes beyond adding a new ETH_SS_xxx constant.
>
> 3) the patch below permits direct access to ops->get_sset_count(),
> rather than implicit access via ethtool_drvinfo
>
> 4) ethtool_drvinfo interface does not permit indication of
> ops->get_sset_count() failure, versus returning zero value. The
> patch below does so, via output sset_mask.
>
> WARNING: this patch is compile-tested only.
>
> NOTE: I added a cosmetic fix to ETHTOOL_[GS]RXNTUPLE constants, making
> their indentation consistent with the rest of the list of constants.
>
> Signed-off-by: Jeff Garzik <jgarzik@redhat•com>
With, perhaps, a note like the attached as a reminder to folks about
future additions.
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[-- Type: text/plain, Size: 455 bytes --]
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 31b1edd..e376e8c 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -212,6 +212,9 @@ static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *use
info.cmd = ETHTOOL_GDRVINFO;
ops->get_drvinfo(dev, &info);
+ /* this method of obtaining string set info is deprecated;
+ * consider using ETHTOOL_GSSET_INFO instead
+ */
if (ops->get_sset_count) {
int rc;
next prev parent reply other threads:[~2010-02-26 13:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-26 11:54 [net-next-2.6 PATCH] ethtool: Add n-tuple string length to drvinfo and return it Jeff Kirsher
2010-02-26 12:20 ` David Miller
2010-02-26 13:05 ` Jeff Garzik
2010-02-26 13:11 ` David Miller
2010-02-26 20:08 ` Peter P Waskiewicz Jr
2010-02-26 13:44 ` [PATCH] " Jeff Garzik
2010-02-26 13:56 ` Jeff Garzik
2010-02-26 13:59 ` Jeff Garzik [this message]
2010-02-26 23:49 ` Peter P Waskiewicz Jr
2010-02-27 6:31 ` Jeff Garzik
2010-02-27 7:25 ` Jeff Garzik
2010-02-27 20:28 ` Waskiewicz Jr, Peter P
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