net: schedule: add action gate offloading

Add the gate action to the flow action entry. Add the gate parameters to
the tc_setup_flow_action() queueing to the entries of flow_action_entry
array provide to the driver.

Signed-off-by: Po Liu <Po.Liu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 109 insertions, 0 deletions

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 3619c6acf60f..94a30fe02e6d 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -147,6 +147,7 @@ enum flow_action_id {
 	FLOW_ACTION_MPLS_PUSH,
 	FLOW_ACTION_MPLS_POP,
 	FLOW_ACTION_MPLS_MANGLE,
+	FLOW_ACTION_GATE,
 	NUM_FLOW_ACTIONS,
 };
 
@@ -255,6 +256,15 @@ struct flow_action_entry {
 			u8		bos;
 			u8		ttl;
 		} mpls_mangle;
+		struct {
+			u32		index;
+			s32		prio;
+			u64		basetime;
+			u64		cycletime;
+			u64		cycletimeext;
+			u32		num_entries;
+			struct action_gate_entry *entries;
+		} gate;
 	};
 	struct flow_action_cookie *cookie; /* user defined action cookie */
 };
diff --git a/include/net/tc_act/tc_gate.h b/include/net/tc_act/tc_gate.h
index 330ad8b02495..8bc6be81a7ad 100644
--- a/include/net/tc_act/tc_gate.h
+++ b/include/net/tc_act/tc_gate.h
@@ -7,6 +7,13 @@
 #include <net/act_api.h>
 #include <linux/tc_act/tc_gate.h>
 
+struct action_gate_entry {
+	u8			gate_state;
+	u32			interval;
+	s32			ipv;
+	s32			maxoctets;
+};
+
 struct tcfg_gate_entry {
 	int			index;
 	u8			gate_state;
@@ -44,4 +51,96 @@ struct tcf_gate {
 
 #define to_gate(a) ((struct tcf_gate *)a)
 
+static inline bool is_tcf_gate(const struct tc_action *a)
+{
+#ifdef CONFIG_NET_CLS_ACT
+	if (a->ops && a->ops->id == TCA_ID_GATE)
+		return true;
+#endif
+	return false;
+}
+
+static inline u32 tcf_gate_index(const struct tc_action *a)
+{
+	return a->tcfa_index;
+}
+
+static inline s32 tcf_gate_prio(const struct tc_action *a)
+{
+	s32 tcfg_prio;
+
+	tcfg_prio = to_gate(a)->param.tcfg_priority;
+
+	return tcfg_prio;
+}
+
+static inline u64 tcf_gate_basetime(const struct tc_action *a)
+{
+	u64 tcfg_basetime;
+
+	tcfg_basetime = to_gate(a)->param.tcfg_basetime;
+
+	return tcfg_basetime;
+}
+
+static inline u64 tcf_gate_cycletime(const struct tc_action *a)
+{
+	u64 tcfg_cycletime;
+
+	tcfg_cycletime = to_gate(a)->param.tcfg_cycletime;
+
+	return tcfg_cycletime;
+}
+
+static inline u64 tcf_gate_cycletimeext(const struct tc_action *a)
+{
+	u64 tcfg_cycletimeext;
+
+	tcfg_cycletimeext = to_gate(a)->param.tcfg_cycletime_ext;
+
+	return tcfg_cycletimeext;
+}
+
+static inline u32 tcf_gate_num_entries(const struct tc_action *a)
+{
+	u32 num_entries;
+
+	num_entries = to_gate(a)->param.num_entries;
+
+	return num_entries;
+}
+
+static inline struct action_gate_entry
+			*tcf_gate_get_list(const struct tc_action *a)
+{
+	struct action_gate_entry *oe;
+	struct tcf_gate_params *p;
+	struct tcfg_gate_entry *entry;
+	u32 num_entries;
+	int i = 0;
+
+	p = &to_gate(a)->param;
+	num_entries = p->num_entries;
+
+	list_for_each_entry(entry, &p->entries, list)
+		i++;
+
+	if (i != num_entries)
+		return NULL;
+
+	oe = kcalloc(num_entries, sizeof(*oe), GFP_ATOMIC);
+	if (!oe)
+		return NULL;
+
+	i = 0;
+	list_for_each_entry(entry, &p->entries, list) {
+		oe[i].gate_state = entry->gate_state;
+		oe[i].interval = entry->interval;
+		oe[i].ipv = entry->ipv;
+		oe[i].maxoctets = entry->maxoctets;
+		i++;
+	}
+
+	return oe;
+}
 #endif