Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (c) 2017 Nicira, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #ifndef METER_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define METER_H 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/openvswitch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/genetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/bits.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "flow.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct datapath;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define DP_MAX_BANDS		1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define DP_METER_ARRAY_SIZE_MIN	BIT_ULL(10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define DP_METER_NUM_MAX	(200000UL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct dp_meter_band {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	u32 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	u32 rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	u32 burst_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	u64 bucket; /* 1/1000 packets, or in bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	struct ovs_flow_stats stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct dp_meter {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	spinlock_t lock;    /* Per meter lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	struct rcu_head rcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	u32 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	u16 kbps:1, keep_stats:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	u16 n_bands;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	u32 max_delta_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	u64 used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	struct ovs_flow_stats stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	struct dp_meter_band bands[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct dp_meter_instance {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	struct rcu_head rcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	u32 n_meters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	struct dp_meter __rcu *dp_meters[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct dp_meter_table {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	struct dp_meter_instance __rcu *ti;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	u32 count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	u32 max_meters_allowed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) extern struct genl_family dp_meter_genl_family;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int ovs_meters_init(struct datapath *dp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) void ovs_meters_exit(struct datapath *dp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) bool ovs_meter_execute(struct datapath *dp, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 		       struct sw_flow_key *key, u32 meter_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #endif /* meter.h */