From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 9 Oct 2012 20:35:48 +0000 (+0000)
Subject: vxlan: use ip_route_output
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ca78f18129999320466107887317b5d1c042accd;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

vxlan: use ip_route_output

Select source address for VXLAN packet based on route destination
and don't lie to route code. VXLAN is not GRE.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 882a041d7594..0b53a9cb6f84 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -680,9 +680,13 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	hash = skb_get_rxhash(skb);
 
-	rt = ip_route_output_gre(dev_net(dev), &fl4, dst,
-				 vxlan->saddr, vxlan->vni,
-				 RT_TOS(tos), vxlan->link);
+	memset(&fl4, 0, sizeof(fl4));
+	fl4.flowi4_oif = vxlan->link;
+	fl4.flowi4_tos = RT_TOS(tos);
+	fl4.daddr = dst;
+	fl4.saddr = vxlan->saddr;
+
+	rt = ip_route_output_key(dev_net(dev), &fl4);
 	if (IS_ERR(rt)) {
 		netdev_dbg(dev, "no route to %pI4\n", &dst);
 		dev->stats.tx_carrier_errors++;
@@ -724,7 +728,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 	iph->frag_off	= df;
 	iph->protocol	= IPPROTO_UDP;
 	iph->tos	= vxlan_ecn_encap(tos, old_iph, skb);
-	iph->daddr	= fl4.daddr;
+	iph->daddr	= dst;
 	iph->saddr	= fl4.saddr;
 	iph->ttl	= ttl ? : ip4_dst_hoplimit(&rt->dst);