RE: [PATCH v3] hv_netvsc: Allocate rx indirection table size dynamically

[Haiyang Zhang]

> -----Original Message-----
> From: Shradha Gupta <shradhagupta@xxxxxxxxxxxxxxxxxxx>
> Sent: Friday, May 26, 2023 2:02 AM
> To: linux-kernel@xxxxxxxxxxxxxxx; linux-hyperv@xxxxxxxxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx
> Cc: Shradha Gupta <shradhagupta@xxxxxxxxxxxxxxxxxxx>; Eric Dumazet
> <edumazet@xxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni
> <pabeni@xxxxxxxxxx>; KY Srinivasan <kys@xxxxxxxxxxxxx>; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>; Wei Liu <wei.liu@xxxxxxxxxx>; Dexuan Cui
> <decui@xxxxxxxxxxxxx>; Long Li <longli@xxxxxxxxxxxxx>; Michael Kelley
> (LINUX) <mikelley@xxxxxxxxxxxxx>; David S. Miller <davem@xxxxxxxxxxxxx>;
> Steen Hegelund <steen.hegelund@xxxxxxxxxxxxx>; Simon Horman
> <simon.horman@xxxxxxxxxxxx>
> Subject: [PATCH v3] hv_netvsc: Allocate rx indirection table size dynamically
> 
> Allocate the size of rx indirection table dynamically in netvsc
> from the value of size provided by OID_GEN_RECEIVE_SCALE_CAPABILITIES
> query instead of using a constant value of ITAB_NUM.
> 
> Signed-off-by: Shradha Gupta <shradhagupta@xxxxxxxxxxxxxxxxxxx>
> Tested-on: Ubuntu22 (azure VM, SKU size: Standard_F72s_v2)
> Testcases:
> 1. ethtool -x eth0 output
> 2. LISA testcase:PERF-NETWORK-TCP-THROUGHPUT-MULTICONNECTION-
> NTTTCP-Synthetic
> 3. LISA testcase:PERF-NETWORK-TCP-THROUGHPUT-MULTICONNECTION-
> NTTTCP-SRIOV

Thank you!

Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>