netdev - Re: [PATCH 1/2 net-next] vxlan: Be liberal on receive and only require the I bit to be set

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Message-ID: <20140711124126.262c2876@samsung-9>
Date:	Fri, 11 Jul 2014 12:41:26 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	netdev@...r.kernel.org, therbert@...gle.com,
	nicolas.dichtel@...nd.com, pshelar@...ira.com,
	xiyou.wangcong@...il.com, ogerlitz@...lanox.com,
	dborkman@...hat.com,
	"Pritesh Kothari (pritkoth)" <pritkoth@...co.com>,
	Madhu Challa <challa@...ronetworks.com>
Subject: Re: [PATCH 1/2 net-next] vxlan: Be liberal on receive and only
 require the I bit to be set

On Fri, 11 Jul 2014 18:59:49 +0200
Thomas Graf <tgraf@...g.ch> wrote:

> @@ -1617,7 +1646,9 @@ static int vxlan6_xmit_skb(struct vxlan_sock *vs,
>  	}
>  
>  	vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh));
> -	vxh->vx_flags = htonl(VXLAN_FLAGS);
> +	vxlan_flags(vxh) = VXLAN_FLAG_VNI;
> +	vxh->vx_reserved1 = 0;
> +	vxh->vx_reserved2 = 0;
>  	vxh->vx_vni = vni;
>  
 
Okay, but initializing bitfields generates crappy code.
Can we just alias and do one assignment.
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