netdev - Linux 4.6: VRF clarification for egress Broadcast Pk

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Message-ID: <CADiZnkS1cPSs8s3q_UBpcN78fkuF4LZt_Q-A2PkkZ+S5oSFRzw@mail.gmail.com>
Date:   Sat, 13 Jan 2018 23:48:55 +0530
From:   Sukumar Gopalakrishnan <sukumarg1973@...il.com>
To:     netdev@...r.kernel.org
Subject: Linux 4.6: VRF clarification for egress Broadcast Pk

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