netdev - Re: [net-next Patch v5 3/6] octeontx2-pf: qos send queues management

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Message-ID: <PH0PR18MB4474D7DA8B343FB842A9E649DE899@PH0PR18MB4474.namprd18.prod.outlook.com>
Date:   Wed, 29 Mar 2023 17:19:38 +0000
From:   Hariprasad Kelam <hkelam@...vell.com>
To:     Simon Horman <simon.horman@...igine.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "willemdebruijn.kernel@...il.com" <willemdebruijn.kernel@...il.com>,
        "andrew@...n.ch" <andrew@...n.ch>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Linu Cherian <lcherian@...vell.com>,
        Geethasowjanya Akula <gakula@...vell.com>,
        Jerin Jacob Kollanukkaran <jerinj@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
        "naveenm@...vel.com" <naveenm@...vel.com>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "jhs@...atatu.com" <jhs@...atatu.com>,
        "xiyou.wangcong@...il.com" <xiyou.wangcong@...il.com>,
        "jiri@...nulli.us" <jiri@...nulli.us>,
        "maxtram95@...il.com" <maxtram95@...il.com>
Subject: Re: [net-next Patch v5 3/6] octeontx2-pf: qos send queues management



> On Sun, Mar 26, 2023 at 11:42:42PM +0530, Hariprasad Kelam wrote:
> > From: Subbaraya Sundeep <sbhatta@...vell.com>
> >
> > Current implementation is such that the number of Send queues (SQs)
> > are decided on the device probe which is equal to the number of online
> > cpus. These SQs are allocated and deallocated in interface open and c
> > lose calls respectively.
> >
> > This patch defines new APIs for initializing and deinitializing Send
> > queues dynamically and allocates more number of transmit queues for
> > QOS feature.
> >
> > Signed-off-by: Subbaraya Sundeep <sbhatta@...vell.com>
> > Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>
> > Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com>
> 
> Reviewed-by: Simon Horman <simon.horman@...igine.com>
> 
> > diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
> > b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
> 
> ...
> 
> > @@ -1938,6 +1952,12 @@ static netdev_tx_t otx2_xmit(struct sk_buff
> *skb, struct net_device *netdev)
> >  	int qidx = skb_get_queue_mapping(skb);
> >  	struct otx2_snd_queue *sq;
> >  	struct netdev_queue *txq;
> > +	int sq_idx;
> > +
> > +	/* XDP SQs are not mapped with TXQs
> > +	 * advance qid to derive correct sq maped with QOS
> 
> nit: s/maped/mapped/
> 
ACK , will add the change in next version.

Thanks,
Hariprasad k
> ...