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openvswitch: Simplify mega-flow APIs.

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Hides mega-flow implementation in flow_table.c rather than
datapath.c.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Pravin B Shelar
2013-10-04 00:17:42 -07:00
committed by Jesse Gross
parent b637e4988c
commit 618ed0c805
3 changed files with 89 additions and 88 deletions
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27
net/openvswitch/datapath.c
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@@ -161,7 +161,7 @@ static void destroy_dp_rcu(struct rcu_head *rcu)
{
struct datapath *dp = container_of(rcu, struct datapath, rcu);
ovs_flow_tbl_destroy(&dp->table, false);
ovs_flow_tbl_destroy(&dp->table);
free_percpu(dp->stats_percpu);
release_net(ovs_dp_get_net(dp));
kfree(dp->ports);
@@ -795,8 +795,6 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
/* Check if this is a duplicate flow */
flow = ovs_flow_tbl_lookup(&dp->table, &key);
if (!flow) {
struct sw_flow_mask *mask_p;
/* Bail out if we're not allowed to create a new flow. */
error = -ENOENT;
if (info->genlhdr->cmd == OVS_FLOW_CMD_SET)
@@ -812,25 +810,14 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
flow->key = masked_key;
flow->unmasked_key = key;
/* Make sure mask is unique in the system */
mask_p = ovs_sw_flow_mask_find(&dp->table, &mask);
if (!mask_p) {
/* Allocate a new mask if none exsits. */
mask_p = ovs_sw_flow_mask_alloc();
if (!mask_p)
goto err_flow_free;
mask_p->key = mask.key;
mask_p->range = mask.range;
ovs_sw_flow_mask_insert(&dp->table, mask_p);
}
ovs_sw_flow_mask_add_ref(mask_p);
flow->mask = mask_p;
rcu_assign_pointer(flow->sf_acts, acts);
/* Put flow in bucket. */
ovs_flow_tbl_insert(&dp->table, flow);
error = ovs_flow_tbl_insert(&dp->table, flow, &mask);
if (error) {
acts = NULL;
goto err_flow_free;
}
reply = ovs_flow_cmd_build_info(flow, dp, info->snd_portid,
info->snd_seq, OVS_FLOW_CMD_NEW);
@@ -1236,7 +1223,7 @@ err_destroy_ports_array:
err_destroy_percpu:
free_percpu(dp->stats_percpu);
err_destroy_table:
ovs_flow_tbl_destroy(&dp->table, false);
ovs_flow_tbl_destroy(&dp->table);
err_free_dp:
release_net(ovs_dp_get_net(dp));
kfree(dp);