netdev - Re: [PATCH NEXT 1/5] qlcnic: support vlan rx accleration

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Date:	Thu, 16 Sep 2010 15:36:49 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Amit Kumar Salecha <amit.salecha@...gic.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	ameen.rahman@...gic.com, anirban.chakraborty@...gic.com
Subject: Re: [PATCH NEXT 1/5] qlcnic: support vlan rx accleration

Le jeudi 16 septembre 2010 à 06:14 -0700, Amit Kumar Salecha a écrit :

> -	if (unlikely(adapter->pvid)) {
> -		if (qlcnic_check_rx_tagging(adapter, skb)) {
> -			adapter->stats.rxdropped++;
> -			dev_kfree_skb_any(skb);
> -			return buffer;
> -		}
> +	if (unlikely(qlcnic_check_rx_tagging(adapter, skb, &vid))) {
> +		adapter->stats.rxdropped++;
> +		dev_kfree_skb_any(skb);

Its a bit strange you use dev_kfree_skb_any(skb) here.

We run in NAPI mode, so you can use dev_kfree_skb().

> +		return buffer;
>  	}
>  
>  	skb->protocol = eth_type_trans(skb, netdev);
>  
> -	napi_gro_receive(&sds_ring->napi, skb);
> +	if ((vid != 0xffff) && adapter->vlgrp)
> +		vlan_hwaccel_receive_skb(skb, adapter->vlgrp, vid);
> +	else
> +		napi_gro_receive(&sds_ring->napi, skb);


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