netdev - Re: [PATCH net-next 3/6] cxgb4: Pass in a Congestion Channel Map to t4_sge_alloc

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Message-ID: <5547D5A1.9050208@cogentembedded.com>
Date:	Mon, 04 May 2015 23:25:05 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Hariprasad Shenai <hariprasad@...lsio.com>, netdev@...r.kernel.org
CC:	davem@...emloft.net, leedom@...lsio.com, nirranjan@...lsio.com
Subject: Re: [PATCH net-next 3/6] cxgb4: Pass in a Congestion Channel Map
 to t4_sge_alloc_rxq()

Hello.

On 05/04/2015 07:28 PM, Hariprasad Shenai wrote:

> Passes a Congestion Channel Map to t4_sge_alloc_rxq()
> for the Ethernet RX Queues based on the MPS Buffer Group Map
> of the TX Channel rather than just the TX Channel Map.
> Also, in t4_sge_alloc_rxq() for T5, setting up the
> Congestion Manager values of the new RX Ethernet Queue is
> done by firmware now.

> Signed-off-by: Hariprasad Shenai <hariprasad@...lsio.com>
> ---
>   drivers/net/ethernet/chelsio/cxgb4/sge.c       | 35 ++++++++++++++++++++++++++
>   drivers/net/ethernet/chelsio/cxgb4/t4_values.h |  9 +++++++
>   drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h  |  1 +
>   3 files changed, 45 insertions(+)

> diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
> index 7547a9c..757e0ab 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
> +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
> @@ -2551,6 +2551,41 @@ int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
[...]
> +		ret = t4_set_params(adap, adap->mbox, adap->fn, 0, 1,
> +				    &param, &val);
> +		if (ret)
> +			dev_warn(adap->pdev_dev, "Failed to set Congestion"
> +				 " Manager Context for Ingress Queue %d: %d\n",

    There's no need to break the long kernel messages, actually it's even 
frowned upon as it makes grepping more complex.

[...]

WBR, Sergei

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