From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: [PATCH 2/6] vxlan: use ip_route_output Date: Tue, 09 Oct 2012 10:56:39 -0700 Message-ID: <20121009175714.538033361@vyatta.com> References: <20121009175637.048993312@vyatta.com> Cc: netdev@vger.kernel.org To: David Miller Return-path: Received: from fiji.vyatta.com ([76.74.103.50]:51696 "EHLO fiji.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756572Ab2JISB2 (ORCPT ); Tue, 9 Oct 2012 14:01:28 -0400 Content-Disposition: inline; filename=vxlan-route-output.patch Sender: netdev-owner@vger.kernel.org List-ID: 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 --- a/drivers/net/vxlan.c 2012-10-09 10:48:56.546879617 -0700 +++ b/drivers/net/vxlan.c 2012-10-09 10:49:01.334832146 -0700 @@ -676,9 +676,11 @@ static netdev_tx_t vxlan_xmit(struct sk_ hash = skb_get_rxhash(skb); - rt = ip_route_output_gre(dev_net(dev), &fl4, dst, - vxlan->saddr, vxlan->vni, - RT_TOS(tos), vxlan->link); + 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++; @@ -720,7 +722,7 @@ static netdev_tx_t vxlan_xmit(struct sk_ 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);