netdev - Re: [Xen-devel] [PATCH v2 net-next] xen-netback: add support for multicast control

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Message-Id: <55E82768020000780009F32F@prv-mh.provo.novell.com>
Date:	Thu, 03 Sep 2015 02:56:40 -0600
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Paul Durrant" <paul.durrant@...rix.com>
Cc:	"Ian Campbell" <ian.campbell@...rix.com>,
	"Wei Liu" <wei.liu2@...rix.com>, <xen-devel@...ts.xenproject.org>,
	<netdev@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH v2 net-next] xen-netback: add support
 for multicast control

>>> On 02.09.15 at 18:58, <paul.durrant@...rix.com> wrote:
> @@ -1215,6 +1289,31 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
>  				break;
>  		}
>  
> +		if (extras[XEN_NETIF_EXTRA_TYPE_MCAST_ADD - 1].type) {
> +			struct xen_netif_extra_info *extra;
> +
> +			extra = &extras[XEN_NETIF_EXTRA_TYPE_MCAST_ADD - 1];
> +			ret = xenvif_mcast_add(queue->vif, extra->u.mcast.addr);

What's the reason this call isn't gated on vif->multicast_control?

Jan

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