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[net-next,v2,06/13] i40evf: set descriptor multiple to 32

Message ID 1401963181-11110-7-git-send-email-jeffrey.t.kirsher@intel.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Kirsher, Jeffrey T June 5, 2014, 10:12 a.m. UTC 
From: Mitch Williams <mitch.a.williams@intel.com>

Hardware requires descriptors to be allocated in groups of 32.

Change-ID: I752ccc96769d1bd8d3018c004b8aeff464045bf2
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/i40evf/i40evf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/intel/i40evf/i40evf.h b/drivers/net/ethernet/intel/i40evf/i40evf.h
index 2913bc3..bfd8542 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf.h
+++ b/drivers/net/ethernet/intel/i40evf/i40evf.h
@@ -80,7 +80,7 @@  struct i40e_vsi {
 #define I40EVF_MIN_TXD       64
 #define I40EVF_MAX_RXD       4096
 #define I40EVF_MIN_RXD       64
-#define I40EVF_REQ_DESCRIPTOR_MULTIPLE  8
+#define I40EVF_REQ_DESCRIPTOR_MULTIPLE  32
 
 /* Supported Rx Buffer Sizes */
 #define I40EVF_RXBUFFER_64    64     /* Used for packet split */