On Mon, 5 Oct 2015 10:58:17 -0700, Pravin B Shelar wrote:
> --- a/drivers/net/vxlan.c
> +++ b/drivers/net/vxlan.c
> @@ -2337,6 +2337,51 @@ static int vxlan_change_mtu(struct net_device *dev,
> int new_mtu)
> return 0;
> }
>
> +static int egress_ipv4_tun_info(struct net_device *dev, struct sk_buff *skb,
> + struct ip_tunnel_info *info,
> + __be16 sport, __be16 dport,
> + struct ip_tunnel_info *egress_tun_info,
> + const void **egress_tun_opts)
> +{
> + struct vxlan_dev *vxlan = netdev_priv(dev);
> + struct rtable *rt;
> + struct flowi4 fl4;
> +
> + memset(&fl4, 0, sizeof(fl4));
> + fl4.flowi4_tos = RT_TOS(info->key.tos);
> + fl4.flowi4_mark = skb->mark;
> + fl4.flowi4_proto = IPPROTO_UDP;
> + fl4.daddr = info->key.u.ipv4.dst;
> +
> + rt = ip_route_output_key(vxlan->net, &fl4);
> + if (IS_ERR(rt))
> + return PTR_ERR(rt);
> + ip_rt_put(rt);
> +
> + ipv4_egress_info_init(egress_tun_info, egress_tun_opts, info,
> + fl4.saddr, sport, dport);
> + return 0;
> +}
> +
> +static int vxlan_egress_tun_info(struct net_device *dev, struct sk_buff *skb,
> + struct ip_tunnel_info *egress_tun_info,
> + const void **egress_tun_opts)
> +{
> + struct ip_tunnel_info *info = skb_tunnel_info(skb);
> + struct vxlan_dev *vxlan = netdev_priv(dev);
> + __be16 sport, dport;
> +
> + sport = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,
> + vxlan->cfg.port_max, true);
> + dport = info->key.tp_dst ? : vxlan->cfg.dst_port;
> +
> + if (ip_tunnel_info_af(info) == AF_INET)
> + return egress_ipv4_tun_info(dev, skb, info, sport, dport,
> + egress_tun_info,
> + egress_tun_opts);
> + return -EINVAL;
> +}
This duplicates a lot of code from vxlan_xmit_one. I think we want a
common function (or functions) used by both this and xmit.
Jiri
--
Jiri Benc
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