[PATCH 2.6.35-rc1] net-next: vmxnet3 fixes [2/5] Interrupt control bitmap
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From: Shreyas Bhatewara on 13 Jul 2010 20:50 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(a)vmware.com> Signed-off-by: Shreyas Bhatewara <sbhatewara(a)vmware.com> --- drivers/net/vmxnet3/vmxnet3_defs.h | 6 +++++- drivers/net/vmxnet3/vmxnet3_drv.c | 3 +++ 2 files changed, 8 insertions(+), 1 deletions(-) diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h index b4889e6..ca7727b 100644 --- a/drivers/net/vmxnet3/vmxnet3_defs.h +++ b/drivers/net/vmxnet3/vmxnet3_defs.h @@ -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 */ diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 5a50d10..7792a44 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -72,6 +72,7 @@ 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 &= ~VMXNET3_IC_DISABLE_ALL; } @@ -80,6 +81,7 @@ vmxnet3_disable_all_intrs(struct vmxnet3_adapter *adapter) { int i; + adapter->shared->devRead.intrConf.intrCtrl |= VMXNET3_IC_DISABLE_ALL; for (i = 0; i < adapter->intr.num_intrs; i++) vmxnet3_disable_intr(adapter, i); } @@ -1880,6 +1882,7 @@ 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 |= VMXNET3_IC_DISABLE_ALL; /* rx filter settings */ devRead->rxFilterConf.rxMode = 0; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |