/*
- * Copyright (c) 2011 Nicira, Inc.
- * Copyright (c) 2012 Cisco Systems, Inc.
+ * Copyright (c) 2013 Nicira, Inc.
+ * Copyright (c) 2013 Cisco Systems, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/version.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
#include <linux/in.h>
#include <linux/ip.h>
#include <net/vxlan.h>
#include "datapath.h"
-#include "tunnel.h"
#include "vport.h"
-#define OVS_VXLAN_RCV_PRIORITY 8
-
/**
* struct vxlan_port - Keeps track of open UDP ports
- * @vh: vxlan_handler created for the port.
+ * @vs: vxlan_sock created for the port.
* @name: vport name.
*/
struct vxlan_port {
- struct vxlan_handler *vh;
+ struct vxlan_sock *vs;
char name[IFNAMSIZ];
};
}
/* Called with rcu_read_lock and BH disabled. */
-static int vxlan_rcv(struct vxlan_handler *vh, struct sk_buff *skb, __be32 vx_vni)
+static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb, __be32 vx_vni)
{
- struct vport *vport = vh->data;
- struct iphdr *iph;
struct ovs_key_ipv4_tunnel tun_key;
+ struct vport *vport = vs->data;
+ struct iphdr *iph;
__be64 key;
/* Save outer tunnel values */
iph = ip_hdr(skb);
key = cpu_to_be64(ntohl(vx_vni) >> 8);
- tnl_tun_key_init(&tun_key, iph, key, TUNNEL_KEY);
+ ovs_flow_tun_key_init(&tun_key, iph, key, TUNNEL_KEY);
ovs_vport_receive(vport, skb, &tun_key);
- return PACKET_RCVD;
}
static int vxlan_get_options(const struct vport *vport, struct sk_buff *skb)
{
struct vxlan_port *vxlan_port = vxlan_vport(vport);
- __be16 dst_port = inet_sport(vxlan_port->vh->vs->sock->sk);
+ __be16 dst_port = inet_sport(vxlan_port->vs->sock->sk);
if (nla_put_u16(skb, OVS_TUNNEL_ATTR_DST_PORT, ntohs(dst_port)))
return -EMSGSIZE;
{
struct vxlan_port *vxlan_port = vxlan_vport(vport);
- vxlan_handler_put(vxlan_port->vh);
+ vxlan_sock_release(vxlan_port->vs);
ovs_vport_deferred_free(vport);
}
struct net *net = ovs_dp_get_net(parms->dp);
struct nlattr *options = parms->options;
struct vxlan_port *vxlan_port;
- struct vxlan_handler *vh;
+ struct vxlan_sock *vs;
struct vport *vport;
struct nlattr *a;
u16 dst_port;
vxlan_port = vxlan_vport(vport);
strncpy(vxlan_port->name, parms->name, IFNAMSIZ);
- vh = vxlan_handler_add(net, htons(dst_port), vxlan_rcv,
- vport, OVS_VXLAN_RCV_PRIORITY, true);
- if (IS_ERR(vh)) {
+ vs = vxlan_sock_add(net, htons(dst_port), vxlan_rcv, vport, true);
+ if (IS_ERR(vs)) {
ovs_vport_free(vport);
- return (void *)vh;
+ return (void *)vs;
}
- vxlan_port->vh = vh;
+ vxlan_port->vs = vs;
return vport;
static int vxlan_tnl_send(struct vport *vport, struct sk_buff *skb)
{
struct vxlan_port *vxlan_port = vxlan_vport(vport);
- __be16 dst_port = inet_sport(vxlan_port->vh->vs->sock->sk);
- struct net *net = ovs_dp_get_net(vport->dp);
+ __be16 dst_port = inet_sport(vxlan_port->vs->sock->sk);
struct rtable *rt;
__be16 src_port;
__be32 saddr;
goto error;
}
- forward_ip_summed(skb, true);
-
/* Route lookup */
saddr = OVS_CB(skb)->tun_key->ipv4_src;
rt = find_route(ovs_dp_get_net(vport->dp),
OVS_CB(skb)->tun_key->ipv4_dst,
IPPROTO_UDP,
OVS_CB(skb)->tun_key->ipv4_tos,
- skb_get_mark(skb));
+ skb->mark);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
goto error;
inet_get_local_port_range(&port_min, &port_max);
src_port = vxlan_src_port(port_min, port_max, skb);
- err = vxlan_xmit_skb(net, vxlan_port->vh, rt, skb,
+ err = vxlan_xmit_skb(vxlan_port->vs, rt, skb,
saddr, OVS_CB(skb)->tun_key->ipv4_dst,
OVS_CB(skb)->tun_key->ipv4_tos,
OVS_CB(skb)->tun_key->ipv4_ttl, df,
.get_options = vxlan_get_options,
.send = vxlan_tnl_send,
};
-#else
-#warning VXLAN tunneling will not be available on kernels before 2.6.26
-#endif /* Linux kernel < 2.6.26 */