[PATCH 5/6 v2] net/ucc_geth: Assign six threads to Rx for UEC

Kumar Gala galak at kernel.crashing.org
Sat May 2 07:56:19 EST 2009


On May 1, 2009, at 2:40 PM, Haiying Wang wrote:

> in the case the QE has 46 SNUMs for the threads to support four UCC  
> Ethernet at
> 1000Base-T simultaneously.
>
> Signed-off-by: Haiying Wang <Haiying.Wang at freescale.com>
> ---
> v2 change: Add comments for the Rx threads change.
> drivers/net/ucc_geth.c |   10 +++++++++-
> 1 files changed, 9 insertions(+), 1 deletions(-)

Dave,

One more patch for you to Ack and let me handle via the powerpc tree  
because of dependencies.

- k

>
>
> diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
> index 44f8392..1cb2710 100644
> --- a/drivers/net/ucc_geth.c
> +++ b/drivers/net/ucc_geth.c
> @@ -3702,7 +3702,15 @@ static int ucc_geth_probe(struct of_device*  
> ofdev, const struct of_device_id *ma
> 		ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
> 		ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
> 		ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
> -		ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
> +
> +		/* If QE's snum number is 46 which means we need to support
> +		 * 4 UECs at 1000Base-T simultaneously, we need to allocate
> +		 * more Threads to Rx.
> +		 */
> +		if (qe_get_num_of_snums() == 46)
> +			ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6;
> +		else
> +			ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
> 	}
>
> 	if (netif_msg_probe(&debug))
> -- 
> 1.6.0.2




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