netdev - Re: [PATCH net-next 1/2] tg3: Fix NETIF_F

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Message-ID: <BANLkTi==K_eTcqQ39HwcBcg9AyuMLuhz6w@mail.gmail.com>
Date:	Thu, 19 May 2011 18:15:18 -0700
From:	Mahesh Bandewar <maheshb@...gle.com>
To:	Matt Carlson <mcarlson@...adcom.com>
Cc:	David Miller <davem@...emloft.net>,
	linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 1/2] tg3: Fix NETIF_F_LOOPBACK error

On Thu, May 19, 2011 at 6:11 PM, Matt Carlson <mcarlson@...adcom.com> wrote:
> Mahesh Bandewar noticed that the features cleanup in commit
> 0da0606f493c5cdab74bdcc96b12f4305ad94085, entitled
> "tg3: Consolidate all netdev feature assignments", mistakenly sets
> NETIF_F_LOOPBACK by default.  This patch corrects the error.
>
> Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
> ---
>  drivers/net/tg3.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
> index 012ce70..0b78c5d 100644
> --- a/drivers/net/tg3.c
> +++ b/drivers/net/tg3.c
> @@ -15080,6 +15080,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
>                        features |= NETIF_F_TSO_ECN;
>        }
>
> +       dev->features |= features;
> +
>        /*
>         * Add loopback capability only for a subset of devices that support
>         * MAC-LOOPBACK. Eventually this need to be enhanced to allow INT-PHY
> @@ -15090,7 +15092,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
>                /* Add the loopback capability */
>                features |= NETIF_F_LOOPBACK;
>
> -       dev->features |= features;
>        dev->hw_features |= features;
>        dev->vlan_features |= features;
I think this line should go up too. Otherwise newly created vlan
device(s) will have spurious loopback bit set.
>
> --
> 1.7.3.4
>
>
> --
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