mlxsw: spectrum: Extend mlxsw_afa_ops for counter index and implement for Spectrum

Introduce extension of mlxsw_afa_ops in order to get/put counter indexes
and implement the ops for Spectrum.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h

@@ -46,6 +46,8 @@ struct mlxsw_afa_ops {
 	void (*kvdl_set_del)(void *priv, u32 kvdl_index, bool is_first);
 	int (*kvdl_fwd_entry_add)(void *priv, u32 *p_kvdl_index, u8 local_port);
 	void (*kvdl_fwd_entry_del)(void *priv, u32 kvdl_index);
+	int (*counter_index_get)(void *priv, unsigned int *p_counter_index);
+	void (*counter_index_put)(void *priv, unsigned int counter_index);
 };
 
 struct mlxsw_afa *mlxsw_afa_create(unsigned int max_acts_per_set,

drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_actions.c

@@ -108,11 +108,29 @@ static void mlxsw_sp_act_kvdl_fwd_entry_del(void *priv, u32 kvdl_index)
 	mlxsw_sp_kvdl_free(mlxsw_sp, kvdl_index);
 }
 
+static int
+mlxsw_sp_act_counter_index_get(void *priv, unsigned int *p_counter_index)
+{
+	struct mlxsw_sp *mlxsw_sp = priv;
+
+	return mlxsw_sp_flow_counter_alloc(mlxsw_sp, p_counter_index);
+}
+
+static void
+mlxsw_sp_act_counter_index_put(void *priv, unsigned int counter_index)
+{
+	struct mlxsw_sp *mlxsw_sp = priv;
+
+	mlxsw_sp_flow_counter_free(mlxsw_sp, counter_index);
+}
+
 static const struct mlxsw_afa_ops mlxsw_sp_act_afa_ops = {
 	.kvdl_set_add		= mlxsw_sp_act_kvdl_set_add,
 	.kvdl_set_del		= mlxsw_sp_act_kvdl_set_del,
 	.kvdl_fwd_entry_add	= mlxsw_sp_act_kvdl_fwd_entry_add,
 	.kvdl_fwd_entry_del	= mlxsw_sp_act_kvdl_fwd_entry_del,
+	.counter_index_get	= mlxsw_sp_act_counter_index_get,
+	.counter_index_put	= mlxsw_sp_act_counter_index_put,
 };
 
 int mlxsw_sp_afa_init(struct mlxsw_sp *mlxsw_sp)