/*
- * 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
*/
-#include <linux/dcache.h>
#include <linux/kernel.h>
+#include <linux/jhash.h>
#include <linux/list.h>
#include <linux/rtnetlink.h>
+#include <net/net_namespace.h>
#include "compat.h"
#include "datapath.h"
static struct hlist_head *peer_table;
#define PEER_HASH_BUCKETS 256
-static void update_peers(const char *name, struct vport *);
+static void update_peers(struct net *, const char *name, struct vport *);
static struct patch_vport *patch_vport_priv(const struct vport *vport)
{
call_rcu(&old_config->rcu, free_config);
}
-static struct hlist_head *hash_bucket(const char *name)
+static struct hlist_head *hash_bucket(struct net *net, const char *name)
{
- unsigned int hash = full_name_hash(name, strlen(name));
+ unsigned int hash = jhash(name, strlen(name), (unsigned long) net);
return &peer_table[hash & (PEER_HASH_BUCKETS - 1)];
}
struct patch_vport *patch_vport;
const char *peer_name;
struct patch_config *patchconf;
+ struct net *net = ovs_dp_get_net(parms->dp);
int err;
vport = ovs_vport_alloc(sizeof(struct patch_vport),
rcu_assign_pointer(patch_vport->patchconf, patchconf);
peer_name = patchconf->peer_name;
- hlist_add_head(&patch_vport->hash_node, hash_bucket(peer_name));
- rcu_assign_pointer(patch_vport->peer, ovs_vport_locate(peer_name));
- update_peers(patch_vport->name, vport);
+ hlist_add_head(&patch_vport->hash_node, hash_bucket(net, peer_name));
+ rcu_assign_pointer(patch_vport->peer, ovs_vport_locate(net, peer_name));
+ update_peers(net, patch_vport->name, vport);
return vport;
{
struct patch_vport *patch_vport = patch_vport_priv(vport);
- update_peers(patch_vport->name, NULL);
+ update_peers(ovs_dp_get_net(vport->dp), patch_vport->name, NULL);
hlist_del(&patch_vport->hash_node);
call_rcu(&patch_vport->rcu, free_port_rcu);
}
hlist_del(&patch_vport->hash_node);
- rcu_assign_pointer(patch_vport->peer, ovs_vport_locate(patchconf->peer_name));
- hlist_add_head(&patch_vport->hash_node, hash_bucket(patchconf->peer_name));
+ rcu_assign_pointer(patch_vport->peer,
+ ovs_vport_locate(ovs_dp_get_net(vport->dp), patchconf->peer_name));
- return 0;
+ hlist_add_head(&patch_vport->hash_node,
+ hash_bucket(ovs_dp_get_net(vport->dp), patchconf->peer_name));
+ return 0;
error_free:
kfree(patchconf);
error:
return err;
}
-static void update_peers(const char *name, struct vport *vport)
+static void update_peers(struct net *net, const char *name, struct vport *vport)
{
- struct hlist_head *bucket = hash_bucket(name);
+ struct hlist_head *bucket = hash_bucket(net, name);
struct patch_vport *peer_vport;
struct hlist_node *node;
hlist_for_each_entry(peer_vport, node, bucket, hash_node) {
+ struct vport *curr_vport = vport_from_priv(peer_vport);
const char *peer_name;
peer_name = rtnl_dereference(peer_vport->patchconf)->peer_name;
- if (!strcmp(peer_name, name))
+ if (!strcmp(peer_name, name) && net_eq(ovs_dp_get_net(curr_vport->dp), net))
rcu_assign_pointer(peer_vport->peer, vport);
}
}