Re: [PATCH v1 net 2/2] vmxnet3: use correct intrConf reference when using extended queues

From: Jacob Keller
Date: Mon Nov 28 2022 - 18:49:46 EST




On 11/28/2022 11:32 AM, Ronak Doshi wrote:
'Commit 39f9895a00f4 ("vmxnet3: add support for 32 Tx/Rx queues")'
added support for 32Tx/Rx queues. As a part of this patch, intrConf
structure was extended to incorporate increased queues.


Nit: no need to quote around the commit reference here.

I don't personally think its worth a re-roll to fix that, but good to be aware of in future submission.

The patch itself makes sense.

Reviewed-by: Jacob Keller <jacob.e.keller@xxxxxxxxx>

This patch fixes the issue where incorrect reference is being used.

Fixes: 39f9895a00f4 ("vmxnet3: add support for 32 Tx/Rx queues")
Signed-off-by: Ronak Doshi <doshir@xxxxxxxxxx>
Acked-by: Guolin Yang <gyang@xxxxxxxxxx>
---
drivers/net/vmxnet3/vmxnet3_drv.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 611e8a85de17..39a7e90d4254 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -75,8 +75,14 @@ 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 &=
+ if (!VMXNET3_VERSION_GE_6(adapter) ||
+ !adapter->queuesExtEnabled) {
+ adapter->shared->devRead.intrConf.intrCtrl &=
cpu_to_le32(~VMXNET3_IC_DISABLE_ALL);
+ } else {
+ adapter->shared->devReadExt.intrConfExt.intrCtrl &=
+ cpu_to_le32(~VMXNET3_IC_DISABLE_ALL);
+ }
}
@@ -85,8 +91,14 @@ vmxnet3_disable_all_intrs(struct vmxnet3_adapter *adapter)
{
int i;
- adapter->shared->devRead.intrConf.intrCtrl |=
+ if (!VMXNET3_VERSION_GE_6(adapter) ||
+ !adapter->queuesExtEnabled) {
+ adapter->shared->devRead.intrConf.intrCtrl |=
cpu_to_le32(VMXNET3_IC_DISABLE_ALL);
+ } else {
+ adapter->shared->devReadExt.intrConfExt.intrCtrl |=
+ cpu_to_le32(VMXNET3_IC_DISABLE_ALL);
+ }
for (i = 0; i < adapter->intr.num_intrs; i++)
vmxnet3_disable_intr(adapter, i);
}