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Diffstat (limited to 'samples/bpf/bpf_load.c')
-rw-r--r--samples/bpf/bpf_load.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index e30b6de94f2e..396e204888b3 100644
--- a/samples/bpf/bpf_load.c
+++ b/samples/bpf/bpf_load.c
@@ -22,25 +22,34 @@
#include <poll.h>
#include <ctype.h>
#include "libbpf.h"
-#include "bpf_helpers.h"
#include "bpf_load.h"
+#include "perf-sys.h"
#define DEBUGFS "/sys/kernel/debug/tracing/"
static char license[128];
static int kern_version;
static bool processed_sec[128];
+char bpf_log_buf[BPF_LOG_BUF_SIZE];
int map_fd[MAX_MAPS];
int prog_fd[MAX_PROGS];
int event_fd[MAX_PROGS];
int prog_cnt;
int prog_array_fd = -1;
+struct bpf_map_def {
+ unsigned int type;
+ unsigned int key_size;
+ unsigned int value_size;
+ unsigned int max_entries;
+ unsigned int map_flags;
+};
+
static int populate_prog_array(const char *event, int prog_fd)
{
int ind = atoi(event), err;
- err = bpf_update_elem(prog_array_fd, &ind, &prog_fd, BPF_ANY);
+ err = bpf_map_update_elem(prog_array_fd, &ind, &prog_fd, BPF_ANY);
if (err < 0) {
printf("failed to store prog_fd in prog_array\n");
return -1;
@@ -58,6 +67,7 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size)
bool is_perf_event = strncmp(event, "perf_event", 10) == 0;
bool is_cgroup_skb = strncmp(event, "cgroup/skb", 10) == 0;
bool is_cgroup_sk = strncmp(event, "cgroup/sock", 11) == 0;
+ size_t insns_cnt = size / sizeof(struct bpf_insn);
enum bpf_prog_type prog_type;
char buf[256];
int fd, efd, err, id;
@@ -87,9 +97,10 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size)
return -1;
}
- fd = bpf_prog_load(prog_type, prog, size, license, kern_version);
+ fd = bpf_load_program(prog_type, prog, insns_cnt, license, kern_version,
+ bpf_log_buf, BPF_LOG_BUF_SIZE);
if (fd < 0) {
- printf("bpf_prog_load() err=%d\n%s", errno, bpf_log_buf);
+ printf("bpf_load_program() err=%d\n%s", errno, bpf_log_buf);
return -1;
}
@@ -169,7 +180,7 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size)
id = atoi(buf);
attr.config = id;
- efd = perf_event_open(&attr, -1/*pid*/, 0/*cpu*/, -1/*group_fd*/, 0);
+ efd = sys_perf_event_open(&attr, -1/*pid*/, 0/*cpu*/, -1/*group_fd*/, 0);
if (efd < 0) {
printf("event %d fd %d err %s\n", id, efd, strerror(errno));
return -1;