1 files changed, 0 insertions, 169 deletions
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c
deleted file mode 100644
index 8dd87c1eb560..000000000000
--- a/samples/bpf/xdp_sample_pkts_user.c
+++ /dev/null
@@ -1,169 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <linux/perf_event.h>
-#include <linux/bpf.h>
-#include <net/if.h>
-#include <errno.h>
-#include <assert.h>
-#include <sys/sysinfo.h>
-#include <sys/ioctl.h>
-#include <signal.h>
-#include <libbpf.h>
-#include <bpf/bpf.h>
-
-#include "perf-sys.h"
-#include "trace_helpers.h"
-
-#define MAX_CPUS 128
-static int pmu_fds[MAX_CPUS], if_idx;
-static struct perf_event_mmap_page *headers[MAX_CPUS];
-static char *if_name;
-
-static int do_attach(int idx, int fd, const char *name)
-{
-	int err;
-
-	err = bpf_set_link_xdp_fd(idx, fd, 0);
-	if (err < 0)
-		printf("ERROR: failed to attach program to %s\n", name);
-
-	return err;
-}
-
-static int do_detach(int idx, const char *name)
-{
-	int err;
-
-	err = bpf_set_link_xdp_fd(idx, -1, 0);
-	if (err < 0)
-		printf("ERROR: failed to detach program from %s\n", name);
-
-	return err;
-}
-
-#define SAMPLE_SIZE 64
-
-static int print_bpf_output(void *data, int size)
-{
-	struct {
-		__u16 cookie;
-		__u16 pkt_len;
-		__u8  pkt_data[SAMPLE_SIZE];
-	} __packed *e = data;
-	int i;
-
-	if (e->cookie != 0xdead) {
-		printf("BUG cookie %x sized %d\n",
-		       e->cookie, size);
-		return LIBBPF_PERF_EVENT_ERROR;
-	}
-
-	printf("Pkt len: %-5d bytes. Ethernet hdr: ", e->pkt_len);
-	for (i = 0; i < 14 && i < e->pkt_len; i++)
-		printf("%02x ", e->pkt_data[i]);
-	printf("\n");
-
-	return LIBBPF_PERF_EVENT_CONT;
-}
-
-static void test_bpf_perf_event(int map_fd, int num)
-{
-	struct perf_event_attr attr = {
-		.sample_type = PERF_SAMPLE_RAW,
-		.type = PERF_TYPE_SOFTWARE,
-		.config = PERF_COUNT_SW_BPF_OUTPUT,
-		.wakeup_events = 1, /* get an fd notification for every event */
-	};
-	int i;
-
-	for (i = 0; i < num; i++) {
-		int key = i;
-
-		pmu_fds[i] = sys_perf_event_open(&attr, -1/*pid*/, i/*cpu*/,
-						 -1/*group_fd*/, 0);
-
-		assert(pmu_fds[i] >= 0);
-		assert(bpf_map_update_elem(map_fd, &key,
-					   &pmu_fds[i], BPF_ANY) == 0);
-		ioctl(pmu_fds[i], PERF_EVENT_IOC_ENABLE, 0);
-	}
-}
-
-static void sig_handler(int signo)
-{
-	do_detach(if_idx, if_name);
-	exit(0);
-}
-
-int main(int argc, char **argv)
-{
-	struct bpf_prog_load_attr prog_load_attr = {
-		.prog_type	= BPF_PROG_TYPE_XDP,
-	};
-	struct bpf_object *obj;
-	struct bpf_map *map;
-	int prog_fd, map_fd;
-	char filename[256];
-	int ret, err, i;
-	int numcpus;
-
-	if (argc < 2) {
-		printf("Usage: %s <ifname>\n", argv[0]);
-		return 1;
-	}
-
-	numcpus = get_nprocs();
-	if (numcpus > MAX_CPUS)
-		numcpus = MAX_CPUS;
-
-	snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
-	prog_load_attr.file = filename;
-
-	if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
-		return 1;
-
-	if (!prog_fd) {
-		printf("load_bpf_file: %s\n", strerror(errno));
-		return 1;
-	}
-
-	map = bpf_map__next(NULL, obj);
-	if (!map) {
-		printf("finding a map in obj file failed\n");
-		return 1;
-	}
-	map_fd = bpf_map__fd(map);
-
-	if_idx = if_nametoindex(argv[1]);
-	if (!if_idx)
-		if_idx = strtoul(argv[1], NULL, 0);
-
-	if (!if_idx) {
-		fprintf(stderr, "Invalid ifname\n");
-		return 1;
-	}
-	if_name = argv[1];
-	err = do_attach(if_idx, prog_fd, argv[1]);
-	if (err)
-		return err;
-
-	if (signal(SIGINT, sig_handler) ||
-	    signal(SIGHUP, sig_handler) ||
-	    signal(SIGTERM, sig_handler)) {
-		perror("signal");
-		return 1;
-	}
-
-	test_bpf_perf_event(map_fd, numcpus);
-
-	for (i = 0; i < numcpus; i++)
-		if (perf_event_mmap_header(pmu_fds[i], &headers[i]) < 0)
-			return 1;
-
-	ret = perf_event_poller_multi(pmu_fds, headers, numcpus,
-				      print_bpf_output);
-	kill(0, SIGINT);
-	return ret;
-}