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From: Sergei Shtylyov <sergei.shtylyov@cogentembedded•com>
To: davem@davemloft•net, Todd Fujinaka <todd.fujinaka@intel•com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel•com>,
	netdev@vger•kernel.org, gospo@redhat•com, sassmann@redhat•com
Subject: Re: [net 5/7] igb: fix stats for i210 rx_fifo_errors
Date: Sun, 20 Apr 2014 01:58:23 +0400	[thread overview]
Message-ID: <5352F17F.3080907@cogentembedded.com> (raw)
In-Reply-To: <1397872767-4001-6-git-send-email-jeffrey.t.kirsher@intel.com>

Hello.

On 04/19/2014 05:59 AM, Jeff Kirsher wrote:

> From: Todd Fujinaka <todd.fujinaka@intel•com>

> RQDPC on i210/i211 is R/W not ReadClear. Clear after reading.

> Signed-off-by: Todd Fujinaka <todd.fujinaka@intel•com>
> Tested-by: Aaron Brown <aaron.f.brown@intel•com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel•com>
> ---
>   drivers/net/ethernet/intel/igb/igb_main.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)

> diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
> index fb98d46..16430a8 100644
> --- a/drivers/net/ethernet/intel/igb/igb_main.c
> +++ b/drivers/net/ethernet/intel/igb/igb_main.c
> @@ -5193,8 +5193,10 @@ void igb_update_stats(struct igb_adapter *adapter,
>
>   	rcu_read_lock();
>   	for (i = 0; i < adapter->num_rx_queues; i++) {
> -		u32 rqdpc = rd32(E1000_RQDPC(i));
>   		struct igb_ring *ring = adapter->rx_ring[i];
> +		u32 rqdpc = rd32(E1000_RQDPC(i));

    Empty line needed after declaration. It was present before this patch.

> +		if (hw->mac.type >= e1000_i210)
> +			wr32(E1000_RQDPC(i), 0);
>
>   		if (rqdpc) {
>   			ring->rx_stats.drops += rqdpc;

WBR, Sergei

  reply	other threads:[~2014-04-19 21:58 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-19  1:59 [net 0/7][pull request] Intel Wired LAN Driver Updates Jeff Kirsher
2014-04-19  1:59 ` [net 1/7] i40e: remove open-coded skb_cow_head Jeff Kirsher
2014-04-19  1:59 ` [net 2/7] i40e: fix TCP flag replication for hardware offload Jeff Kirsher
2014-04-19  1:59 ` [net 3/7] e1000e: Correctly include VLAN_HLEN when changing interface MTU Jeff Kirsher
2014-04-19  1:59 ` [net 4/7] e1000e: Enclose e1000e_pm_thaw() with CONFIG_PM_SLEEP Jeff Kirsher
2014-04-19  1:59 ` [net 5/7] igb: fix stats for i210 rx_fifo_errors Jeff Kirsher
2014-04-19 21:58   ` Sergei Shtylyov [this message]
2014-04-19  1:59 ` [net 6/7] ixgbe: clean up Rx time stamping code Jeff Kirsher
2014-04-19  1:59 ` [net 7/7] e1000e/igb/ixgbe/i40e: fix message terminations Jeff Kirsher
2014-04-21 16:58 ` [net 0/7][pull request] Intel Wired LAN Driver Updates David Miller
2014-04-21 20:15   ` Or Gerlitz
2014-04-21 20:24     ` Eric Dumazet

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