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Message-ID: <03655fb6faa595a20a1143fb3b01561042cd317f.camel@intel.com>
Date:   Mon, 12 Apr 2021 22:40:44 +0000
From:   "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>
To:     "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "salil.mehta@...wei.com" <salil.mehta@...wei.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
        "linuxarm@...neuler.org" <linuxarm@...neuler.org>,
        "Tieman, Henry W" <henry.w.tieman@...el.com>,
        "linuxarm@...wei.com" <linuxarm@...wei.com>
Subject: Re: [PATCH net] ice: Re-organizes reqstd/avail {R,T}XQ check/code for
 efficiency+readability

On Sun, 2021-04-11 at 02:45 +0100, Salil Mehta wrote:
> If user has explicitly requested the number of {R,T}XQs, then it is
> unnecessary
> to get the count of already available {R,T}XQs from the PF
> avail_{r,t}xqs
> bitmap. This value will get overriden by user specified value in any 

s/overriden/overridden

> case.
> 
> This patch does minor re-organization of the code for improving the
> flow and
> readabiltiy. This scope of improvement was found during the review of
> the ICE
> driver code.

The changes themselves look ok, but there are some checkpatch issues.
Also, could you include intel-wired-lan@...ts.osuosl.org

> FYI, I could not test this change due to unavailability of the
> hardware. It
> would helpful if somebody can test this and provide Tested-by Tag.
> Many thanks!
> 
> Fixes: 11b7551e096d ("ice: Implement ethtool ops for channels")

This commit id doesn't exist.

> Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_lib.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c
> b/drivers/net/ethernet/intel/ice/ice_lib.c
> index d13c7fc8fb0a..161e8dfe548c 100644
> --- a/drivers/net/ethernet/intel/ice/ice_lib.c
> +++ b/drivers/net/ethernet/intel/ice/ice_lib.c
> @@ -161,12 +161,13 @@ static void ice_vsi_set_num_qs(struct ice_vsi
> *vsi, u16 vf_id)
>  
>  	switch (vsi->type) {
>  	case ICE_VSI_PF:
> -		vsi->alloc_txq = min3(pf->num_lan_msix,
> -				      ice_get_avail_txq_count(pf),
> -				      (u16)num_online_cpus());
>  		if (vsi->req_txq) {
>  			vsi->alloc_txq = vsi->req_txq;
>  			vsi->num_txq = vsi->req_txq;
> +		} else {
> +			vsi->alloc_txq = min3(pf->num_lan_msix,
> +					 ice_get_avail_txq_count(pf),
> +					 (u16)num_online_cpus());

Alignment is incorrect.

>  		}
>  
>  		pf->num_lan_tx = vsi->alloc_txq;
> @@ -175,12 +176,13 @@ static void ice_vsi_set_num_qs(struct ice_vsi
> *vsi, u16 vf_id)
>  		if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
>  			vsi->alloc_rxq = 1;
>  		} else {
> -			vsi->alloc_rxq = min3(pf->num_lan_msix,
> -					      ice_get_avail_rxq_count(p
> f),
> -					      (u16)num_online_cpus());
>  			if (vsi->req_rxq) {
>  				vsi->alloc_rxq = vsi->req_rxq;
>  				vsi->num_rxq = vsi->req_rxq;
> +			} else {
> +				vsi->alloc_rxq = min3(pf->num_lan_msix,
> +						 ice_get_avail_rxq_coun
> t(pf),
> +						 (u16)num_online_cpus()

Same, alignment is incorrect.

> );
>  			}
>  		}
>  

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