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Re: [PATCH 1/2] receiver: Remove dependencies on HVM_MAX_VCPUS
- To: Tu Dinh <ngoc-tu.dinh@xxxxxxxxxx>, "win-pv-devel@xxxxxxxxxxxxxxxxxxxx" <win-pv-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Owen Smith <owen.smith@xxxxxxxxxx>
- Date: Thu, 8 Oct 2026 10:31:24 +0000
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- Delivery-date: Thu, 08 Oct 2026 10:31:33 +0000
- List-id: Developer list for the Windows PV Drivers subproject <win-pv-devel.lists.xenproject.org>
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- Thread-index: AQHdVwLM5ENtsnaoREG6Oqxrhuc2xbbzcI2D
- Thread-topic: [PATCH 1/2] receiver: Remove dependencies on HVM_MAX_VCPUS
> diff --git a/src/xennet/receiver.c b/src/xennet/receiver.c
> index 565d31b..91e344b 100644
> --- a/src/xennet/receiver.c
> +++ b/src/xennet/receiver.c
> @@ -33,7 +33,6 @@
> #include <ndis.h>
> #include <procgrp.h>
> #include <tcpip.h>
> -#include <xen.h>
> #include <ethernet.h>
>
> #include "util.h"
> @@ -53,8 +52,9 @@ struct _XENNET_RECEIVER {
> PXENNET_ADAPTER Adapter;
> NDIS_HANDLE NetBufferListPool;
> PNET_BUFFER_LIST PutList;
> - PNET_BUFFER_LIST GetList[HVM_MAX_VCPUS];
> - XENNET_RECEIVER_QUEUE Queue[HVM_MAX_VCPUS];
> + ULONG Count;
> + PNET_BUFFER_LIST *GetList;
> + XENNET_RECEIVER_QUEUE *Queue;
> LONG Indicated;
> LONG Returned;
> XENVIF_VIF_OFFLOAD_OPTIONS OffloadOptions;
It may be useful to group all Queue related fields in the XENNET_RECEIVER_QUEUE
structure.
A PutList, GetList, Indicated and Received specific to each queue would help
with multi-queue
scaling, though it would require stashing the queue index in the NBL reserved
data.
Owen
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