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net-next: vmxnet3 fixes [2/5] Interrupt control bitmap

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A new bit map 'intrCtrl' is introduced in the DriverShared area. The 
driver should update VMXNET3_IC_DISABLE_ALL bit before writing IMR.

Signed-off-by: Ronghua Zang <ronghua@vmware.com>
Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ronghua Zang 2010-07-15 22:18:47 -07:00 committed by David S. Miller
parent ca802447c0
commit 6929fe8a37
2 changed files with 10 additions and 1 deletions
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6
drivers/net/vmxnet3/vmxnet3_defs.h
View file

@ -464,6 +464,9 @@ enum vmxnet3_intr_type {
/* addition 1 for events */
#define VMXNET3_MAX_INTRS 25
/* value of intrCtrl */
#define VMXNET3_IC_DISABLE_ALL 0x1 /* bit 0 */
struct Vmxnet3_IntrConf {
bool autoMask;
@ -471,7 +474,8 @@ struct Vmxnet3_IntrConf {
u8 eventIntrIdx;
u8 modLevels[VMXNET3_MAX_INTRS]; /* moderation level for
* each intr */
__le32 reserved[3];
__le32 intrCtrl;
__le32 reserved[2];
};
/* one bit per VLAN ID, the size is in the units of u32 */

5
drivers/net/vmxnet3/vmxnet3_drv.c
View file

@ -72,6 +72,8 @@ vmxnet3_enable_all_intrs(struct vmxnet3_adapter *adapter)
for (i = 0; i < adapter->intr.num_intrs; i++)
vmxnet3_enable_intr(adapter, i);
adapter->shared->devRead.intrConf.intrCtrl &=
cpu_to_le32(~VMXNET3_IC_DISABLE_ALL);
}
@ -80,6 +82,8 @@ vmxnet3_disable_all_intrs(struct vmxnet3_adapter *adapter)
{
int i;
adapter->shared->devRead.intrConf.intrCtrl |=
cpu_to_le32(VMXNET3_IC_DISABLE_ALL);
for (i = 0; i < adapter->intr.num_intrs; i++)
vmxnet3_disable_intr(adapter, i);
}
@ -1825,6 +1829,7 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
devRead->intrConf.modLevels[i] = adapter->intr.mod_levels[i];
devRead->intrConf.eventIntrIdx = adapter->intr.event_intr_idx;
devRead->intrConf.intrCtrl |= cpu_to_le32(VMXNET3_IC_DISABLE_ALL);
/* rx filter settings */
devRead->rxFilterConf.rxMode = 0;