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From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: davem@davemloft.net
Cc: Alexander Duyck <alexander.h.duyck@intel.com>,
	netdev@vger.kernel.org, gospo@redhat.com,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: [net-next 03/11] v2 ixgbe: Update packet buffer reservation to correct fdir headroom size
Date: Fri, 16 Sep 2011 19:15:44 -0700	[thread overview]
Message-ID: <1316225752-1709-4-git-send-email-jeffrey.t.kirsher@intel.com> (raw)
In-Reply-To: <1316225752-1709-1-git-send-email-jeffrey.t.kirsher@intel.com>

From: Alexander Duyck <alexander.h.duyck@intel.com>

This change fixes an issue in which the incorrect amount of headroom was
being reserved for flow director filters.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index fec49e6..0283e12 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3372,15 +3372,17 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter)
 
 static void ixgbe_configure_pb(struct ixgbe_adapter *adapter)
 {
-	int hdrm = 0;
-	int num_tc = netdev_get_num_tc(adapter->netdev);
 	struct ixgbe_hw *hw = &adapter->hw;
+	int hdrm;
+	u8 tc = netdev_get_num_tc(adapter->netdev);
 
 	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
 	    adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)
-		hdrm = 64 << adapter->fdir_pballoc;
+		hdrm = 32 << adapter->fdir_pballoc;
+	else
+		hdrm = 0;
 
-	hw->mac.ops.set_rxpba(&adapter->hw, num_tc, hdrm, PBA_STRATEGY_EQUAL);
+	hw->mac.ops.set_rxpba(hw, tc, hdrm, PBA_STRATEGY_EQUAL);
 }
 
 static void ixgbe_fdir_filter_restore(struct ixgbe_adapter *adapter)
-- 
1.7.6

  parent reply	other threads:[~2011-09-17  2:15 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-17  2:15 [net-next 00/11][pull request] Intel Wired LAN Driver Updates Jeff Kirsher
2011-09-17  2:15 ` [net-next 01/11] ixgb: convert to ndo_fix_features Jeff Kirsher
2011-09-17  2:50   ` Joe Perches
2011-09-17 13:21   ` Michał Mirosław
2011-09-20  0:02     ` Jeff Kirsher
2011-09-23 20:56       ` Michał Mirosław
2011-09-24  4:47         ` Jeff Kirsher
2011-10-07 20:47           ` Michał Mirosław
2011-10-08  2:04             ` Jeff Kirsher
2011-09-17  2:15 ` [net-next 02/11] ixgbe: remove redundant configuration of tx_sample_rate Jeff Kirsher
2011-09-17  2:15 ` Jeff Kirsher [this message]
2011-09-17  2:15 ` [net-next 04/11] ixgbe: make ixgbe_up and ixgbe_up_complete void functions Jeff Kirsher
2011-09-17  2:15 ` [net-next 05/11] ixgbe: Add missing code for enabling overheat sensor interrupt Jeff Kirsher
2011-09-17  2:15 ` [net-next 06/11] ixgbe: Add SFP support for missed 82598 PHY Jeff Kirsher
2011-09-17  2:15 ` [net-next 07/11] ixgbe: drop adapter from ixgbe_fso call documentation Jeff Kirsher
2011-09-17  2:15 ` [net-next 08/11] ixgbe: Make better use of memory allocations in one-buffer mode w/ RSC Jeff Kirsher
2011-09-17  2:15 ` [net-next 09/11] ixgbe: cleanup some register reads Jeff Kirsher
2011-09-17  2:15 ` [net-next 10/11] ixgbe: fix FCRTL/H register dump for X540 Jeff Kirsher
2011-09-17  2:15 ` [net-next 11/11] ixgbe: remove duplicate netif_tx_start_all_queues Jeff Kirsher

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