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vmxnet3: round down # of queues to power of two

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vmxnet3 device supports only power-of-two number of queues. The driver
therefore needs to check this and rounds down the number of queues to the
nearest power of two.

Signed-off-by: Yong Wang <yongwang@vmware.com>
Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
This commit is contained in:
Shreyas Bhatewara
2011-07-07 00:25:52 -07:00
committed by David S. Miller
parent 2e98e7974d
commit eebb02b1f0
2 changed files with 6 additions and 2 deletions
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5
drivers/net/vmxnet3/vmxnet3_int.h
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@@ -55,6 +55,7 @@
#include <linux/if_vlan.h>
#include <linux/if_arp.h>
#include <linux/inetdevice.h>
#include <linux/log2.h>
#include "vmxnet3_defs.h"
@@ -68,10 +69,10 @@
/*
* Version numbers
*/
#define VMXNET3_DRIVER_VERSION_STRING "1.1.14.0-k"
#define VMXNET3_DRIVER_VERSION_STRING "1.1.18.0-k"
/* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
#define VMXNET3_DRIVER_VERSION_NUM 0x01010E00
#define VMXNET3_DRIVER_VERSION_NUM 0x01011200
#if defined(CONFIG_PCI_MSI)
/* RSS only makes sense if MSI-X is supported. */