netdev - Re: [net-next 12/16] i40evf: don't delete all the filters

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Date:	Mon, 13 Jul 2015 15:51:08 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>, davem@...emloft.net
Cc:	Mitch Williams <mitch.a.williams@...el.com>,
	netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com,
	jogreene@...hat.com
Subject: Re: [net-next 12/16] i40evf: don't delete all the filters

Hello.

On 7/13/2015 12:08 PM, Jeff Kirsher wrote:

> From: Mitch Williams <mitch.a.williams@...el.com>

> Due to an inverted conditional, the driver was marking all of its MAC
> filters for deletion every time set_rx_mode was called. Depending upon
> the timing of the calls to set_rx_mode and the processing of the admin
> queue, the driver would (accidentally) end up with a varying number of
> functional filters.

> Correct this logic so that MAC filters are added and removed correctly.
> Add a check for the driver's "hardware" MAC address so that this filter
> doesn't get removed incorrectly.

> Change-ID: Ib3e7c4a5b53df6835f164fe44cb778cb71f8aff8
> Signed-off-by: Mitch Williams <mitch.a.williams@...el.com>
> Tested-by: Jim Young <james.m.young@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> ---
>   drivers/net/ethernet/intel/i40evf/i40evf_main.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)

> diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
> index 94eff4a..07f6052 100644
> --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
> +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
> @@ -892,8 +892,10 @@ static void i40evf_set_rx_mode(struct net_device *netdev)
>   					break;
>   				}
>   			}
> +			if (ether_addr_equal(f->macaddr, adapter->hw.mac.addr))
> +					found = true;

    This line is indented too much.

[...]

WBR, Sergei

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