All of lore.kernel.org
 help / color / mirror / Atom feed
From: Willy Tarreau <w@1wt.eu>
To: netdev@vger.kernel.org
Cc: thomas.petazzoni@free-electrons.com
Subject: [PATCH] net: mvneta: enable features before registering the driver
Date: Sat, 6 Apr 2013 20:47:01 +0200	[thread overview]
Message-ID: <20130406184701.GA16142@1wt.eu> (raw)

Hi,

I noticed that mvneta's tx-csum/sg were off until disabled then
enabled, which led me to think that something was not made in the
correct sequence. And indeed, setting the dev features _before_
registering the device works much better :-)

This patch is for master but may be backported to 3.8-stable as well,
which is where I first experienced the issue.

Thanks,
Willy

>From 005eb7594a4304eed5e9b427ca6b745260c9eded Mon Sep 17 00:00:00 2001
From: Willy Tarreau <w@1wt.eu>
Date: Mon, 11 Mar 2013 07:56:58 +0100
Subject: [PATCH] net: mvneta: enable features before registering the driver,
 not after

It seems that the reason why the dev features were ignored was because
they were enabled after registeration.

Signed-off-by: Willy Tarreau <w@1wt.eu>
---
 drivers/net/ethernet/marvell/mvneta.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index cd345b8..1e628ce 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2771,16 +2771,17 @@ static int mvneta_probe(struct platform_device *pdev)
 
 	netif_napi_add(dev, &pp->napi, mvneta_poll, pp->weight);
 
+	dev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
+	dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+	dev->vlan_features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+	dev->priv_flags |= IFF_UNICAST_FLT;
+
 	err = register_netdev(dev);
 	if (err < 0) {
 		dev_err(&pdev->dev, "failed to register\n");
 		goto err_deinit;
 	}
 
-	dev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
-	dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM;
-	dev->priv_flags |= IFF_UNICAST_FLT;
-
 	netdev_info(dev, "mac: %pM\n", dev->dev_addr);
 
 	platform_set_drvdata(pdev, pp->dev);
-- 
1.7.12.2.21.g234cd45.dirty

             reply	other threads:[~2013-04-06 18:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-06 18:47 Willy Tarreau [this message]
2013-04-07 10:11 ` [PATCH] net: mvneta: enable features before registering the driver Thomas Petazzoni
2013-04-08 16:16 ` David Miller
2013-04-09  5:46   ` Willy Tarreau

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130406184701.GA16142@1wt.eu \
    --to=w@1wt.eu \
    --cc=netdev@vger.kernel.org \
    --cc=thomas.petazzoni@free-electrons.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.