[ovs-dev] [PATCHv3] Add support for LISP tunneling

Rajahalme, Jarno (NSN - FI/Espoo) jarno.rajahalme at nsn.com
Wed Feb 20 16:26:19 UTC 2013


On Feb 20, 2013, at 11:00 , ext Lorand Jakab wrote:

> +static int lisp_tnl_send(struct vport *vport, struct sk_buff *skb)
> +{
> +	int network_offset = skb_network_offset(skb);
> +
> +	/* We only encapsulate IPv4 and IPv6 packets */
> +	switch (skb->protocol) {
> +	case htons(ETH_P_IP):
> +	case htons(ETH_P_IPV6):
> +		/* Pop off "inner" Ethernet header */
> +		skb_pull(skb, network_offset);
> +		return ovs_tnl_send(vport, skb) + network_offset;

Should return 0 if ovs_tnl_send() returns 0, like this:

	int tnl_len = ovs_tnl_send(vport, skb);

	/* Report the whole packet as sent, if anything was sent */
	return tnl_len > 0 ? tnl_len + network_offset : 0;

  Jarno



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