#include "datapath.h"
#include "actions.h"
#include "flow.h"
-#include "table.h"
#include "vlan.h"
+#include "tunnel.h"
#include "vport-internal_dev.h"
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) || \
EXPORT_SYMBOL_GPL(get_dp);
/* Must be called with genl_mutex. */
-static struct tbl *get_table_protected(struct datapath *dp)
+static struct flow_table *get_table_protected(struct datapath *dp)
{
return rcu_dereference_protected(dp->table, lockdep_genl_is_held());
}
{
struct datapath *dp = container_of(rcu, struct datapath, rcu);
- tbl_destroy((struct tbl __force *)dp->table, flow_free_tbl);
+ flow_tbl_destroy(dp->table);
free_percpu(dp->stats_percpu);
kobject_put(&dp->ifobj);
}
}
/* Called with RTNL lock. */
-int dp_detach_port(struct vport *p)
+void dp_detach_port(struct vport *p)
{
ASSERT_RTNL();
rcu_assign_pointer(p->dp->ports[p->port_no], NULL);
/* Then destroy it. */
- return vport_del(p);
+ vport_del(p);
}
/* Must be called with rcu_read_lock. */
void dp_process_received_packet(struct vport *p, struct sk_buff *skb)
{
struct datapath *dp = p->dp;
+ struct sw_flow *flow;
struct dp_stats_percpu *stats;
int stats_counter_off;
int error;
if (!OVS_CB(skb)->flow) {
struct sw_flow_key key;
- struct tbl_node *flow_node;
int key_len;
bool is_frag;
}
/* Look up flow. */
- flow_node = tbl_lookup(rcu_dereference(dp->table), &key, key_len,
- flow_hash(&key, key_len), flow_cmp);
- if (unlikely(!flow_node)) {
+ flow = flow_tbl_lookup(rcu_dereference(dp->table), &key, key_len);
+ if (unlikely(!flow)) {
struct dp_upcall_info upcall;
upcall.cmd = OVS_PACKET_CMD_MISS;
goto out;
}
- OVS_CB(skb)->flow = flow_cast(flow_node);
+ OVS_CB(skb)->flow = flow;
}
stats_counter_off = offsetof(struct dp_stats_percpu, n_hit);
/* Called with genl_mutex. */
static int flush_flows(int dp_ifindex)
{
- struct tbl *old_table;
- struct tbl *new_table;
+ struct flow_table *old_table;
+ struct flow_table *new_table;
struct datapath *dp;
dp = get_dp(dp_ifindex);
return -ENODEV;
old_table = get_table_protected(dp);
- new_table = tbl_create(TBL_MIN_BUCKETS);
+ new_table = flow_tbl_alloc(TBL_MIN_BUCKETS);
if (!new_table)
return -ENOMEM;
rcu_assign_pointer(dp->table, new_table);
- tbl_deferred_destroy(old_table, flow_free_tbl);
-
+ flow_tbl_deferred_destroy(old_table);
return 0;
}
flow->byte_count = 0;
}
-/* Called with genl_mutex. */
-static int expand_table(struct datapath *dp)
-{
- struct tbl *old_table = get_table_protected(dp);
- struct tbl *new_table;
-
- new_table = tbl_expand(old_table);
- if (IS_ERR(new_table)) {
- if (PTR_ERR(new_table) != -ENOSPC)
- return PTR_ERR(new_table);
- } else {
- rcu_assign_pointer(dp->table, new_table);
- tbl_deferred_destroy(old_table, NULL);
- }
-
- return 0;
-}
-
static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
{
struct ovs_header *ovs_header = info->userhdr;
if (err)
goto err_flow_put;
- flow->tbl_node.hash = flow_hash(&flow->key, key_len);
+ flow->hash = flow_hash(&flow->key, key_len);
acts = flow_actions_alloc(a[OVS_PACKET_ATTR_ACTIONS]);
err = PTR_ERR(acts);
static void get_dp_stats(struct datapath *dp, struct ovs_dp_stats *stats)
{
int i;
- struct tbl *table = get_table_protected(dp);
+ struct flow_table *table = get_table_protected(dp);
- stats->n_flows = tbl_count(table);
+ stats->n_flows = flow_tbl_count(table);
stats->n_frags = stats->n_hit = stats->n_missed = stats->n_lost = 0;
for_each_possible_cpu(i) {
{
struct nlattr **a = info->attrs;
struct ovs_header *ovs_header = info->userhdr;
- struct tbl_node *flow_node;
struct sw_flow_key key;
struct sw_flow *flow;
struct sk_buff *reply;
struct datapath *dp;
- struct tbl *table;
- u32 hash;
+ struct flow_table *table;
int error;
int key_len;
if (!dp)
goto error;
- hash = flow_hash(&key, key_len);
table = get_table_protected(dp);
- flow_node = tbl_lookup(table, &key, key_len, hash, flow_cmp);
- if (!flow_node) {
+ flow = flow_tbl_lookup(table, &key, key_len);
+ if (!flow) {
struct sw_flow_actions *acts;
/* Bail out if we're not allowed to create a new flow. */
goto error;
/* Expand table, if necessary, to make room. */
- if (tbl_count(table) >= tbl_n_buckets(table)) {
- error = expand_table(dp);
- if (error)
- goto error;
- table = get_table_protected(dp);
+ if (flow_tbl_need_to_expand(table)) {
+ struct flow_table *new_table;
+
+ new_table = flow_tbl_expand(table);
+ if (!IS_ERR(new_table)) {
+ rcu_assign_pointer(dp->table, new_table);
+ flow_tbl_deferred_destroy(table);
+ table = get_table_protected(dp);
+ }
}
/* Allocate flow. */
rcu_assign_pointer(flow->sf_acts, acts);
/* Put flow in bucket. */
- error = tbl_insert(table, &flow->tbl_node, hash);
- if (error)
- goto error_free_flow;
+ flow->hash = flow_hash(&key, key_len);
+ flow_tbl_insert(table, flow);
reply = ovs_flow_cmd_build_info(flow, dp, info->snd_pid,
info->snd_seq, OVS_FLOW_CMD_NEW);
goto error;
/* Update actions. */
- flow = flow_cast(flow_node);
old_acts = rcu_dereference_protected(flow->sf_acts,
lockdep_genl_is_held());
if (a[OVS_FLOW_ATTR_ACTIONS] &&
struct nlattr **a = info->attrs;
struct ovs_header *ovs_header = info->userhdr;
struct sw_flow_key key;
- struct tbl_node *flow_node;
struct sk_buff *reply;
struct sw_flow *flow;
struct datapath *dp;
- struct tbl *table;
+ struct flow_table *table;
int err;
int key_len;
return -ENODEV;
table = get_table_protected(dp);
- flow_node = tbl_lookup(table, &key, key_len, flow_hash(&key, key_len),
- flow_cmp);
- if (!flow_node)
+ flow = flow_tbl_lookup(table, &key, key_len);
+ if (!flow)
return -ENOENT;
- flow = flow_cast(flow_node);
reply = ovs_flow_cmd_build_info(flow, dp, info->snd_pid, info->snd_seq, OVS_FLOW_CMD_NEW);
if (IS_ERR(reply))
return PTR_ERR(reply);
struct nlattr **a = info->attrs;
struct ovs_header *ovs_header = info->userhdr;
struct sw_flow_key key;
- struct tbl_node *flow_node;
struct sk_buff *reply;
struct sw_flow *flow;
struct datapath *dp;
- struct tbl *table;
+ struct flow_table *table;
int err;
int key_len;
return -ENODEV;
table = get_table_protected(dp);
- flow_node = tbl_lookup(table, &key, key_len, flow_hash(&key, key_len),
- flow_cmp);
- if (!flow_node)
+ flow = flow_tbl_lookup(table, &key, key_len);
+ if (!flow)
return -ENOENT;
- flow = flow_cast(flow_node);
reply = ovs_flow_cmd_alloc_info(flow);
if (!reply)
return -ENOMEM;
- err = tbl_remove(table, flow_node);
- if (err) {
- kfree_skb(reply);
- return err;
- }
+ flow_tbl_remove(table, flow);
err = ovs_flow_cmd_fill_info(flow, dp, reply, info->snd_pid,
info->snd_seq, 0, OVS_FLOW_CMD_DEL);
return -ENODEV;
for (;;) {
- struct tbl_node *flow_node;
struct sw_flow *flow;
u32 bucket, obj;
bucket = cb->args[0];
obj = cb->args[1];
- flow_node = tbl_next(get_table_protected(dp), &bucket, &obj);
- if (!flow_node)
+ flow = flow_tbl_next(get_table_protected(dp), &bucket, &obj);
+ if (!flow)
break;
- flow = flow_cast(flow_node);
if (ovs_flow_cmd_fill_info(flow, dp, skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
OVS_FLOW_CMD_NEW) < 0)
/* Allocate table. */
err = -ENOMEM;
- rcu_assign_pointer(dp->table, tbl_create(TBL_MIN_BUCKETS));
+ rcu_assign_pointer(dp->table, flow_tbl_alloc(TBL_MIN_BUCKETS));
if (!dp->table)
goto err_free_dp;
err_destroy_local_port:
dp_detach_port(get_vport_protected(dp, OVSP_LOCAL));
err_destroy_table:
- tbl_destroy(get_table_protected(dp), NULL);
+ flow_tbl_destroy(get_table_protected(dp));
err_free_dp:
kfree(dp);
err_put_module:
if (IS_ERR(reply))
goto exit_unlock;
- err = dp_detach_port(vport);
+ dp_detach_port(vport);
genl_notify(reply, genl_info_net(info), info->snd_pid,
dp_vport_multicast_group.id, info->nlhdr, GFP_KERNEL);
printk("Open vSwitch %s, built "__DATE__" "__TIME__"\n", VERSION BUILDNR);
- err = flow_init();
+ err = tnl_init();
if (err)
goto error;
+ err = flow_init();
+ if (err)
+ goto error_tnl_exit;
+
err = vport_init();
if (err)
goto error_flow_exit;
vport_exit();
error_flow_exit:
flow_exit();
+error_tnl_exit:
+ tnl_exit();
error:
return err;
}
unregister_netdevice_notifier(&dp_device_notifier);
vport_exit();
flow_exit();
+ tnl_exit();
}
module_init(dp_init);
git://git.onelab.eu / sliver-openvswitch.git / blobdiff