/*
- * Copyright (c) 2007-2011 Nicira Networks.
+ * Copyright (c) 2007-2012 Nicira, 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
* 02110-1301, USA
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/ip.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
static struct hh_cache *rt_hh(struct rtable *rt)
{
- struct neighbour *neigh = dst_get_neighbour(&rt->dst);
+ struct neighbour *neigh = dst_get_neighbour_noref(&rt->dst);
if (!neigh || !(neigh->nud_state & NUD_CONNECTED) ||
!neigh->hh.hh_len)
return NULL;
ASSERT_RTNL();
if (ipv4_is_multicast(mutable->key.daddr) && mutable->mlink) {
struct in_device *in_dev;
- in_dev = inetdev_by_index(&init_net, mutable->mlink);
+ in_dev = inetdev_by_index(port_key_get_net(&mutable->key), mutable->mlink);
if (in_dev)
ip_mc_dec_group(in_dev, mutable->key.daddr);
}
return NULL;
}
-struct vport *ovs_tnl_find_port(__be32 saddr, __be32 daddr, __be64 key,
- int tunnel_type,
+struct vport *ovs_tnl_find_port(struct net *net, __be32 saddr, __be32 daddr,
+ __be64 key, int tunnel_type,
const struct tnl_mutable_config **mutable)
{
struct port_lookup_key lookup;
struct vport *vport;
bool is_multicast = ipv4_is_multicast(saddr);
+ port_key_set_net(&lookup, net);
lookup.saddr = saddr;
lookup.daddr = daddr;
int addr_type;
int payload_off = (u8 *)(old_ipv6h + 1) - skb->data;
u8 nexthdr = ipv6_hdr(skb)->nexthdr;
+ __be16 frag_off;
/* Check source address is valid. */
addr_type = ipv6_addr_type(&old_ipv6h->saddr);
return false;
/* Don't respond to ICMP error messages. */
- payload_off = ipv6_skip_exthdr(skb, payload_off, &nexthdr);
+ payload_off = ipv6_skip_exthdr(skb, payload_off, &nexthdr, &frag_off);
if (payload_off < 0)
return false;
+ payload_length);
ipv6h->nexthdr = NEXTHDR_ICMP;
ipv6h->hop_limit = IPV6_DEFAULT_HOPLIMIT;
- ipv6_addr_copy(&ipv6h->daddr, &old_ipv6h->saddr);
- ipv6_addr_copy(&ipv6h->saddr, &old_ipv6h->daddr);
+ ipv6h->daddr = old_ipv6h->saddr;
+ ipv6h->saddr = old_ipv6h->daddr;
/* ICMPv6 */
icmp6h->icmp6_type = ICMPV6_PKT_TOOBIG;
return (void *)cache + ALIGN(sizeof(struct tnl_cache), CACHE_DATA_ALIGN);
}
+#ifdef HAVE_RT_GENID
+static inline int rt_genid(struct net *net)
+{
+ return atomic_read(&net->ipv4.rt_genid);
+}
+#endif
+
static bool check_cache_valid(const struct tnl_cache *cache,
const struct tnl_mutable_config *mutable)
{
time_before(jiffies, cache->expiration) &&
#endif
#ifdef HAVE_RT_GENID
- atomic_read(&init_net.ipv4.rt_genid) == cache->rt->rt_genid &&
+ rt_genid(dev_net(rt_dst(cache->rt).dev)) == cache->rt->rt_genid &&
#endif
#ifdef HAVE_HH_SEQ
hh->hh_lock.sequence == cache->hh_seq &&
for (i = 0; i < PORT_TABLE_SIZE; i++) {
struct hlist_node *n;
struct hlist_head *bucket;
- struct tnl_vport *tnl_vport;
+ struct tnl_vport *tnl_vport;
bucket = &port_table[i];
hlist_for_each_entry_rcu(tnl_vport, n, bucket, hash_node)
.proto = ipproto };
struct rtable *rt;
- if (unlikely(ip_route_output_key(&init_net, &rt, &fl)))
+ if (unlikely(ip_route_output_key(port_key_get_net(&mutable->key), &rt, &fl)))
return ERR_PTR(-EADDRNOTAVAIL);
return rt;
.flowi4_tos = tos,
.flowi4_proto = ipproto };
- return ip_route_output_key(&init_net, &fl);
+ return ip_route_output_key(port_key_get_net(&mutable->key), &fl);
#endif
}
/* Sets OVS_TUNNEL_ATTR_* fields in 'mutable', which must initially be
* zeroed. */
-static int tnl_set_config(struct nlattr *options, const struct tnl_ops *tnl_ops,
+static int tnl_set_config(struct net *net, struct nlattr *options,
+ const struct tnl_ops *tnl_ops,
const struct vport *cur_vport,
struct tnl_mutable_config *mutable)
{
mutable->flags = nla_get_u32(a[OVS_TUNNEL_ATTR_FLAGS]) & TNL_F_PUBLIC;
+ port_key_set_net(&mutable->key, net);
mutable->key.daddr = nla_get_be32(a[OVS_TUNNEL_ATTR_DST_IPV4]);
if (a[OVS_TUNNEL_ATTR_SRC_IPV4]) {
if (ipv4_is_multicast(mutable->key.daddr))
get_random_bytes(&initial_frag_id, sizeof(int));
atomic_set(&tnl_vport->frag_id, initial_frag_id);
- err = tnl_set_config(parms->options, tnl_ops, NULL, mutable);
+ err = tnl_set_config(ovs_dp_get_net(parms->dp), parms->options, tnl_ops,
+ NULL, mutable);
if (err)
goto error_free_mutable;
memcpy(mutable->eth_addr, old_mutable->eth_addr, ETH_ALEN);
/* Parse the others configured by userspace. */
- err = tnl_set_config(options, tnl_vport->tnl_ops, vport, mutable);
+ err = tnl_set_config(ovs_dp_get_net(vport->dp), options, tnl_vport->tnl_ops,
+ vport, mutable);
if (err)
goto error_free;
const struct tnl_vport *tnl_vport = tnl_vport_priv(vport);
const struct tnl_mutable_config *mutable = rcu_dereference_rtnl(tnl_vport->mutable);
- NLA_PUT_U32(skb, OVS_TUNNEL_ATTR_FLAGS, mutable->flags & TNL_F_PUBLIC);
- NLA_PUT_BE32(skb, OVS_TUNNEL_ATTR_DST_IPV4, mutable->key.daddr);
-
- if (!(mutable->flags & TNL_F_IN_KEY_MATCH))
- NLA_PUT_BE64(skb, OVS_TUNNEL_ATTR_IN_KEY, mutable->key.in_key);
- if (!(mutable->flags & TNL_F_OUT_KEY_ACTION))
- NLA_PUT_BE64(skb, OVS_TUNNEL_ATTR_OUT_KEY, mutable->out_key);
- if (mutable->key.saddr)
- NLA_PUT_BE32(skb, OVS_TUNNEL_ATTR_SRC_IPV4, mutable->key.saddr);
- if (mutable->tos)
- NLA_PUT_U8(skb, OVS_TUNNEL_ATTR_TOS, mutable->tos);
- if (mutable->ttl)
- NLA_PUT_U8(skb, OVS_TUNNEL_ATTR_TTL, mutable->ttl);
+ if (nla_put_u32(skb, OVS_TUNNEL_ATTR_FLAGS,
+ mutable->flags & TNL_F_PUBLIC) ||
+ nla_put_be32(skb, OVS_TUNNEL_ATTR_DST_IPV4, mutable->key.daddr))
+ goto nla_put_failure;
+
+ if (!(mutable->flags & TNL_F_IN_KEY_MATCH) &&
+ nla_put_be64(skb, OVS_TUNNEL_ATTR_IN_KEY, mutable->key.in_key))
+ goto nla_put_failure;
+ if (!(mutable->flags & TNL_F_OUT_KEY_ACTION) &&
+ nla_put_be64(skb, OVS_TUNNEL_ATTR_OUT_KEY, mutable->out_key))
+ goto nla_put_failure;
+ if (mutable->key.saddr &&
+ nla_put_be32(skb, OVS_TUNNEL_ATTR_SRC_IPV4, mutable->key.saddr))
+ goto nla_put_failure;
+ if (mutable->tos && nla_put_u8(skb, OVS_TUNNEL_ATTR_TOS, mutable->tos))
+ goto nla_put_failure;
+ if (mutable->ttl && nla_put_u8(skb, OVS_TUNNEL_ATTR_TTL, mutable->ttl))
+ goto nla_put_failure;
return 0;
int i;
port_table = kmalloc(PORT_TABLE_SIZE * sizeof(struct hlist_head *),
- GFP_KERNEL);
+ GFP_KERNEL);
if (!port_table)
return -ENOMEM;
void ovs_tnl_exit(void)
{
- int i;
-
- for (i = 0; i < PORT_TABLE_SIZE; i++) {
- struct tnl_vport *tnl_vport;
- struct hlist_head *hash_head;
- struct hlist_node *n;
-
- hash_head = &port_table[i];
- hlist_for_each_entry(tnl_vport, n, hash_head, hash_node) {
- BUG();
- goto out;
- }
- }
-out:
kfree(port_table);
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff