mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-04 00:06:36 +00:00
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
#ifndef XDP_SAMPLE_USER_H
|
||
|
|
#define XDP_SAMPLE_USER_H
|
||
|
|
|
||
|
|
#include <bpf/libbpf.h>
|
||
|
|
#include <linux/compiler.h>
|
||
|
|
|
||
|
|
#include "xdp_sample_shared.h"
|
||
|
|
|
||
|
|
enum stats_mask {
|
||
|
|
_SAMPLE_REDIRECT_MAP = 1U << 0,
|
||
|
|
SAMPLE_RX_CNT = 1U << 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Exit return codes */
|
||
|
|
#define EXIT_OK 0
|
||
|
|
#define EXIT_FAIL 1
|
||
|
|
#define EXIT_FAIL_OPTION 2
|
||
|
|
#define EXIT_FAIL_XDP 3
|
||
|
|
#define EXIT_FAIL_BPF 4
|
||
|
|
#define EXIT_FAIL_MEM 5
|
||
|
|
|
||
|
|
int sample_setup_maps(struct bpf_map **maps);
|
||
|
|
int __sample_init(int mask);
|
||
|
|
void sample_exit(int status);
|
||
|
|
int sample_run(int interval, void (*post_cb)(void *), void *ctx);
|
||
|
|
|
||
|
|
void sample_switch_mode(void);
|
||
|
|
int sample_install_xdp(struct bpf_program *xdp_prog, int ifindex, bool generic,
|
||
|
|
bool force);
|
||
|
|
void sample_usage(char *argv[], const struct option *long_options,
|
||
|
|
const char *doc, int mask, bool error);
|
||
|
|
|
||
|
|
const char *get_driver_name(int ifindex);
|
||
|
|
int get_mac_addr(int ifindex, void *mac_addr);
|
||
|
|
|
||
|
|
#pragma GCC diagnostic push
|
||
|
|
#pragma GCC diagnostic ignored "-Wstringop-truncation"
|
||
|
|
__attribute__((unused))
|
||
|
|
static inline char *safe_strncpy(char *dst, const char *src, size_t size)
|
||
|
|
{
|
||
|
|
if (!size)
|
||
|
|
return dst;
|
||
|
|
strncpy(dst, src, size - 1);
|
||
|
|
dst[size - 1] = '\0';
|
||
|
|
return dst;
|
||
|
|
}
|
||
|
|
#pragma GCC diagnostic pop
|
||
|
|
|
||
|
|
#define DEFINE_SAMPLE_INIT(name) \
|
||
|
|
static int sample_init(struct name *skel, int mask) \
|
||
|
|
{ \
|
||
|
|
int ret; \
|
||
|
|
ret = __sample_init(mask); \
|
||
|
|
if (ret < 0) \
|
||
|
|
return ret; \
|
||
|
|
return 0; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|