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Diffstat (limited to 'net/sched/act_tunnel_key.c')
-rw-r--r--net/sched/act_tunnel_key.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index d9cd174eecb7..23aba03d26a8 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -787,6 +787,59 @@ static int tunnel_key_search(struct net *net, struct tc_action **a, u32 index)
return tcf_idr_search(tn, a, index);
}
+static void tcf_tunnel_encap_put_tunnel(void *priv)
+{
+ struct ip_tunnel_info *tunnel = priv;
+
+ kfree(tunnel);
+}
+
+static int tcf_tunnel_encap_get_tunnel(struct flow_action_entry *entry,
+ const struct tc_action *act)
+{
+ entry->tunnel = tcf_tunnel_info_copy(act);
+ if (!entry->tunnel)
+ return -ENOMEM;
+ entry->destructor = tcf_tunnel_encap_put_tunnel;
+ entry->destructor_priv = entry->tunnel;
+ return 0;
+}
+
+static int tcf_tunnel_key_offload_act_setup(struct tc_action *act,
+ void *entry_data,
+ u32 *index_inc,
+ bool bind)
+{
+ int err;
+
+ if (bind) {
+ struct flow_action_entry *entry = entry_data;
+
+ if (is_tcf_tunnel_set(act)) {
+ entry->id = FLOW_ACTION_TUNNEL_ENCAP;
+ err = tcf_tunnel_encap_get_tunnel(entry, act);
+ if (err)
+ return err;
+ } else if (is_tcf_tunnel_release(act)) {
+ entry->id = FLOW_ACTION_TUNNEL_DECAP;
+ } else {
+ return -EOPNOTSUPP;
+ }
+ *index_inc = 1;
+ } else {
+ struct flow_offload_action *fl_action = entry_data;
+
+ if (is_tcf_tunnel_set(act))
+ fl_action->id = FLOW_ACTION_TUNNEL_ENCAP;
+ else if (is_tcf_tunnel_release(act))
+ fl_action->id = FLOW_ACTION_TUNNEL_DECAP;
+ else
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
static struct tc_action_ops act_tunnel_key_ops = {
.kind = "tunnel_key",
.id = TCA_ID_TUNNEL_KEY,
@@ -797,6 +850,7 @@ static struct tc_action_ops act_tunnel_key_ops = {
.cleanup = tunnel_key_release,
.walk = tunnel_key_walker,
.lookup = tunnel_key_search,
+ .offload_act_setup = tcf_tunnel_key_offload_act_setup,
.size = sizeof(struct tcf_tunnel_key),
};