* [PATCH] net/virtio-user: reset used index counter in dev reset
@ 2024-08-05 10:08 Kommula Shiva Shankar
2024-09-06 10:14 ` [EXTERNAL] " Shiva Shankar Kommula
0 siblings, 1 reply; 2+ messages in thread
From: Kommula Shiva Shankar @ 2024-08-05 10:08 UTC (permalink / raw)
To: dev, maxime.coquelin, chenbox
Cc: david.marchand, jerinj, ndabilpuram, schalla
When the virtio device is reinitialized during ethdev reconfiguration,
all the virtio rings are recreated and repopulated on the device.
Accordingly, reset the used index counter value back to zero.
Signed-off-by: Kommula Shiva Shankar <kshankar@marvell.com>
---
drivers/net/virtio/virtio_user_ethdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c
index ae6593ba0b..d60c7e188c 100644
--- a/drivers/net/virtio/virtio_user_ethdev.c
+++ b/drivers/net/virtio/virtio_user_ethdev.c
@@ -204,6 +204,7 @@ virtio_user_setup_queue_packed(struct virtqueue *vq,
vring->device = (void *)(uintptr_t)used_addr;
dev->packed_queues[queue_idx].avail_wrap_counter = true;
dev->packed_queues[queue_idx].used_wrap_counter = true;
+ dev->packed_queues[queue_idx].used_idx = 0;
for (i = 0; i < vring->num; i++)
vring->desc[i].flags = 0;
--
2.43.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* RE: [EXTERNAL] [PATCH] net/virtio-user: reset used index counter in dev reset
2024-08-05 10:08 [PATCH] net/virtio-user: reset used index counter in dev reset Kommula Shiva Shankar
@ 2024-09-06 10:14 ` Shiva Shankar Kommula
0 siblings, 0 replies; 2+ messages in thread
From: Shiva Shankar Kommula @ 2024-09-06 10:14 UTC (permalink / raw)
To: Shiva Shankar Kommula, dev, maxime.coquelin, chenbox
Cc: david.marchand, Jerin Jacob, Nithin Kumar Dabilpuram, Srujana Challa
Hello Maxime,
could you please review the following change ?
Thanks
> Subject: [EXTERNAL] [PATCH] net/virtio-user: reset used index counter in dev
> reset
>
> When the virtio device is reinitialized during ethdev reconfiguration, all the
> virtio rings are recreated and repopulated on the device. Accordingly, reset the
> used index counter value back to zero. Signed-off-by: Kommula Shiva Shankar
> <kshankar@ marvell. com>
> When the virtio device is reinitialized during ethdev reconfiguration, all the
> virtio rings are recreated and repopulated on the device.
> Accordingly, reset the used index counter value back to zero.
>
> Signed-off-by: Kommula Shiva Shankar <kshankar@marvell.com>
> ---
> drivers/net/virtio/virtio_user_ethdev.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/virtio/virtio_user_ethdev.c
> b/drivers/net/virtio/virtio_user_ethdev.c
> index ae6593ba0b..d60c7e188c 100644
> --- a/drivers/net/virtio/virtio_user_ethdev.c
> +++ b/drivers/net/virtio/virtio_user_ethdev.c
> @@ -204,6 +204,7 @@ virtio_user_setup_queue_packed(struct virtqueue
> *vq,
> vring->device = (void *)(uintptr_t)used_addr;
> dev->packed_queues[queue_idx].avail_wrap_counter = true;
> dev->packed_queues[queue_idx].used_wrap_counter = true;
> + dev->packed_queues[queue_idx].used_idx = 0;
>
> for (i = 0; i < vring->num; i++)
> vring->desc[i].flags = 0;
> --
> 2.43.0
^ permalink raw reply [flat|nested] 2+ messages in thread
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