From: Eric Dumazet <eric.dumazet@gmail.com>
To: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Alexander Duyck <alexander.h.duyck@intel.com>,
netdev <netdev@vger.kernel.org>
Subject: [PATCH] igb: reduce Rx header size
Date: Thu, 02 Aug 2012 17:15:38 +0200 [thread overview]
Message-ID: <1343920538.9299.200.camel@edumazet-glaptop> (raw)
In-Reply-To: <1342912142-11130-8-git-send-email-jeffrey.t.kirsher@intel.com>
From: Eric Dumazet <edumazet@google.com>
Reduce skb truesize by 256 bytes.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Alexander Duyck <alexander.h.duyck@intel.com>
---
Tested on my machine without any problem
drivers/net/ethernet/intel/igb/igb.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 9e572dd..0c9f62c 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -131,9 +131,9 @@ struct vf_data_storage {
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
/* Supported Rx Buffer Sizes */
-#define IGB_RXBUFFER_512 512
+#define IGB_RXBUFFER_256 256
#define IGB_RXBUFFER_16384 16384
-#define IGB_RX_HDR_LEN IGB_RXBUFFER_512
+#define IGB_RX_HDR_LEN IGB_RXBUFFER_256
/* How many Tx Descriptors do we need to call netif_wake_queue ? */
#define IGB_TX_QUEUE_WAKE 16
next prev parent reply other threads:[~2012-08-02 15:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-21 23:08 [net-next 00/13][pull request] Intel Wired LAN Driver Updates Jeff Kirsher
2012-07-21 23:08 ` [net-next 01/13] ixgbe: Drop probe_vf and merge functionality into ixgbe_enable_sriov Jeff Kirsher
2012-07-21 23:08 ` [net-next 02/13] ixgbe: Change how we check for pre-existing and assigned VFs Jeff Kirsher
2012-07-21 23:08 ` [net-next 03/13] ixgbevf: Add lock around mailbox ops to prevent simultaneous access Jeff Kirsher
2012-07-21 23:08 ` [net-next 04/13] ixgbevf: Add support for PCI error handling Jeff Kirsher
2012-07-21 23:08 ` [net-next 05/13] ixgbe: Fix handling of FDIR_HASH flag Jeff Kirsher
2012-07-21 23:08 ` [net-next 06/13] ixgbevf: Fix namespace issue with ixgbe_write_eitr Jeff Kirsher
2012-07-21 23:08 ` [net-next 07/13] ixgbe: Reduce Rx header size to what is actually used Jeff Kirsher
2012-08-02 15:15 ` Eric Dumazet [this message]
2012-08-02 15:43 ` [PATCH] igb: reduce Rx header size Alexander Duyck
2012-08-02 15:52 ` Eric Dumazet
2012-08-02 20:28 ` Jeff Kirsher
2012-07-21 23:08 ` [net-next 08/13] ixgbe: Use num_tcs.pg_tcs as upper limit for TC when checking based on UP Jeff Kirsher
2012-07-21 23:08 ` [net-next 09/13] ixgbe: fix RAR entry counting for generic and fdb_add() Jeff Kirsher
2012-07-21 23:08 ` [net-next 10/13] ixgbe: remove extra unused queues in DCB + FCoE case Jeff Kirsher
2012-07-21 23:09 ` [net-next 11/13] ixgbe: add support for new 82599 device Jeff Kirsher
2012-07-21 23:09 ` [net-next 12/13] ixgbe: Use 1TC DCB instead of disabling DCB for MSI and legacy interrupts Jeff Kirsher
2012-07-21 23:09 ` [net-next 13/13] igb: reset PHY in the link_up process to recover PHY setting after power down Jeff Kirsher
2012-07-22 19:24 ` [net-next 00/13][pull request] Intel Wired LAN Driver Updates David Miller
2012-07-22 19:37 ` David Miller
2012-07-22 21:39 ` Jeff Kirsher
2012-07-22 21:53 ` David Miller
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