diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/Makefile | 2 | ||||
| -rw-r--r-- | samples/bpf/xdp_fwd_user.c | 34 |
2 files changed, 24 insertions, 12 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 77f512625b8c..815dec22729d 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -106,7 +106,7 @@ syscall_tp-objs := bpf_load.o syscall_tp_user.o cpustat-objs := bpf_load.o cpustat_user.o xdp_adjust_tail-objs := xdp_adjust_tail_user.o xdpsock-objs := bpf_load.o xdpsock_user.o -xdp_fwd-objs := bpf_load.o xdp_fwd_user.o +xdp_fwd-objs := xdp_fwd_user.o task_fd_query-objs := bpf_load.o task_fd_query_user.o $(TRACE_HELPERS) xdp_sample_pkts-objs := xdp_sample_pkts_user.o $(TRACE_HELPERS) diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c index a87a2048ed32..f88e1d7093d6 100644 --- a/samples/bpf/xdp_fwd_user.c +++ b/samples/bpf/xdp_fwd_user.c @@ -24,8 +24,7 @@ #include <fcntl.h> #include <libgen.h> -#include "bpf_load.h" -#include "bpf_util.h" +#include "bpf/libbpf.h" #include <bpf/bpf.h> @@ -63,9 +62,15 @@ static void usage(const char *prog) int main(int argc, char **argv) { + struct bpf_prog_load_attr prog_load_attr = { + .prog_type = BPF_PROG_TYPE_XDP, + }; + const char *prog_name = "xdp_fwd"; + struct bpf_program *prog; char filename[PATH_MAX]; + struct bpf_object *obj; int opt, i, idx, err; - int prog_id = 0; + int prog_fd, map_fd; int attach = 1; int ret = 0; @@ -75,7 +80,7 @@ int main(int argc, char **argv) attach = 0; break; case 'D': - prog_id = 1; + prog_name = "xdp_fwd_direct"; break; default: usage(basename(argv[0])); @@ -90,6 +95,7 @@ int main(int argc, char **argv) if (attach) { snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); + prog_load_attr.file = filename; if (access(filename, O_RDONLY) < 0) { printf("error accessing file %s: %s\n", @@ -97,19 +103,25 @@ int main(int argc, char **argv) return 1; } - if (load_bpf_file(filename)) { - printf("%s", bpf_log_buf); + if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd)) return 1; - } - if (!prog_fd[prog_id]) { - printf("load_bpf_file: %s\n", strerror(errno)); + prog = bpf_object__find_program_by_title(obj, prog_name); + prog_fd = bpf_program__fd(prog); + if (prog_fd < 0) { + printf("program not found: %s\n", strerror(prog_fd)); + return 1; + } + map_fd = bpf_map__fd(bpf_object__find_map_by_name(obj, + "tx_port")); + if (map_fd < 0) { + printf("map not found: %s\n", strerror(map_fd)); return 1; } } if (attach) { for (i = 1; i < 64; ++i) - bpf_map_update_elem(map_fd[0], &i, &i, 0); + bpf_map_update_elem(map_fd, &i, &i, 0); } for (i = optind; i < argc; ++i) { @@ -126,7 +138,7 @@ int main(int argc, char **argv) if (err) ret = err; } else { - err = do_attach(idx, prog_fd[prog_id], argv[i]); + err = do_attach(idx, prog_fd, argv[i]); if (err) ret = err; } |