Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0 */
#pragma once
#include <stdlib.h>
#include <stdbool.h>
#include <linux/err.h>
#include <errno.h>
#include <unistd.h>
#include <bpf/bpf.h>
#include <bpf/libbpf.h>
#include <math.h>
#include <time.h>
#include <sys/syscall.h>
 
struct cpu_set {
<------>bool *cpus;
<------>int cpus_len;
<------>int next_cpu;
};
 
struct env {
<------>char *bench_name;
<------>int duration_sec;
<------>int warmup_sec;
<------>bool verbose;
<------>bool list;
<------>bool affinity;
<------>int consumer_cnt;
<------>int producer_cnt;
<------>struct cpu_set prod_cpus;
<------>struct cpu_set cons_cpus;
};
 
struct bench_res {
<------>long hits;
<------>long drops;
};
 
struct bench {
<------>const char *name;
<------>void (*validate)();
<------>void (*setup)();
<------>void *(*producer_thread)(void *ctx);
<------>void *(*consumer_thread)(void *ctx);
<------>void (*measure)(struct bench_res* res);
<------>void (*report_progress)(int iter, struct bench_res* res, long delta_ns);
<------>void (*report_final)(struct bench_res res[], int res_cnt);
};
 
struct counter {
<------>long value;
} __attribute__((aligned(128)));
 
extern struct env env;
extern const struct bench *bench;
 
void setup_libbpf();
void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns);
void hits_drops_report_final(struct bench_res res[], int res_cnt);
 
static inline __u64 get_time_ns() {
<------>struct timespec t;
 
<------>clock_gettime(CLOCK_MONOTONIC, &t);
 
<------>return (u64)t.tv_sec * 1000000000 + t.tv_nsec;
}
 
static inline void atomic_inc(long *value)
{
<------>(void)__atomic_add_fetch(value, 1, __ATOMIC_RELAXED);
}
 
static inline void atomic_add(long *value, long n)
{
<------>(void)__atomic_add_fetch(value, n, __ATOMIC_RELAXED);
}
 
static inline long atomic_swap(long *value, long n)
{
<------>return __atomic_exchange_n(value, n, __ATOMIC_RELAXED);
}