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From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: Vlad Buslov <vladbu@mellanox.com>
Cc: netdev@vger.kernel.org, jhs@mojatatu.com,
	xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net,
	pablo@netfilter.org
Subject: Re: [PATCH net-next v2 03/10] net: sched: refactor block offloads counter usage
Date: Fri, 23 Aug 2019 17:26:48 -0700	[thread overview]
Message-ID: <20190823172648.7777e2b6@cakuba.netronome.com> (raw)
In-Reply-To: <20190823185056.12536-4-vladbu@mellanox.com>

On Fri, 23 Aug 2019 21:50:49 +0300, Vlad Buslov wrote:
> @@ -1201,14 +1199,11 @@ static int u32_reoffload_knode(struct tcf_proto *tp, struct tc_u_knode *n,
>  			cls_u32.knode.link_handle = ht->handle;
>  	}
>  
> -	err = cb(TC_SETUP_CLSU32, &cls_u32, cb_priv);
> -	if (err) {
> -		if (add && tc_skip_sw(n->flags))
> -			return err;
> -		return 0;
> -	}
> -
> -	tc_cls_offload_cnt_update(block, &n->in_hw_count, &n->flags, add);
> +	err = tc_setup_cb_reoffload(block, tp, add, cb, TC_SETUP_CLSU32,
> +				    &cls_u32, cb_priv, &n->flags,
> +				    &n->in_hw_count);
> +	if (err && add && tc_skip_sw(n->flags))
> +		return err;

Could this be further simplified by adding something along the lines of:

	if (!add || !tc_skip_sw(*flags))
		err = 0;

to tc_setup_cb_reoffload() ?

>  
>  	return 0;
>  }

  reply	other threads:[~2019-08-24  0:27 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-23 18:50 [PATCH net-next v2 00/10] Refactor cls hardware offload API to support rtnl-independent drivers Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 01/10] net: sched: protect block offload-related fields with rw_semaphore Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 02/10] net: sched: change tcf block offload counter type to atomic_t Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 03/10] net: sched: refactor block offloads counter usage Vlad Buslov
2019-08-24  0:26   ` Jakub Kicinski [this message]
2019-08-24 14:44     ` Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 04/10] net: sched: notify classifier on successful offload add/delete Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 05/10] net: sched: add API for registering unlocked offload block callbacks Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 06/10] net: sched: conditionally obtain rtnl lock in cls hw offloads API Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 07/10] net: sched: take rtnl lock in tc_setup_flow_action() Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 08/10] net: sched: take reference to action dev before calling offloads Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 09/10] net: sched: copy tunnel info when setting flow_action entry->tunnel Vlad Buslov
2019-08-23 18:50 ` [PATCH net-next v2 10/10] net: sched: flower: don't take rtnl lock for cls hw offloads API Vlad Buslov

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