Linux 4.6: VRF clarification for egress Broadcast Pk

From: Sukumar Gopalakrishnan <hidden>
Date: 2018-01-13 17:32:05

Hi,

VRF egress processing routine does not process multicast packet but broadcast packet is not diverted.  I added code changes  to not to process broadcast packet by the VRF driver.. Is my assumption correct ?



static struct sk_buff *vrf_ip_out(struct net_device *vrf_dev,
struct sock *sk,
struct sk_buff *skb)
{

/* don’t divert multicast */
if (ipv4_is_multicast(ip_hdr(skb)->daddr))
return skb;

…
/* don’t divert broadcast */
if (ipv4_is_lbcast(ip_hdr(skb)->daddr)) {
return skb;



Regards,

Sukumar

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