selftests/bpf/xdp_synproxy.c

39 			fprintf(stderr, "Error: bpf_tc_hook_destroy: %s\n", strerror(-err));
40 			fprintf(stderr, "Failed to destroy the TC hook\n");
48 		fprintf(stderr, "Error: bpf_prog_get_fd_by_id: %s\n", strerror(-prog_fd));
51 			fprintf(stderr, "Error: bpf_set_link_xdp_fd: %s\n", strerror(-err));
52 			fprintf(stderr, "Failed to detach XDP program\n");
60 			fprintf(stderr, "Error: bpf_set_link_xdp_fd_opts: %s\n", strerror(-err));
63 				fprintf(stderr, "Failed to detach XDP program\n");
73 	fprintf(stderr, "Usage: %s [--iface <iface>|--prog <prog_id>] [--mss4 <mss ipv4> --mss6 <mss ipv6> --wscale <wscale> --ttl <ttl>] [--ports <port1>,<port2>,...] [--single] [--tc]\n",
202 		fprintf(stderr, "Error: bpf_object__open_file: %s\n", strerror(-err));
208 		fprintf(stderr, "Error: bpf_object__open_file: %s\n", strerror(-err));
214 		fprintf(stderr, "Error: bpf_object__find_program_by_name: program was not found\n");
222 		fprintf(stderr, "Error: bpf_prog_get_info_by_fd: %s\n",
241 			fprintf(stderr, "Error: bpf_tc_hook_create: %s\n",
247 			fprintf(stderr, "Error: bpf_tc_attach: %s\n",
256 			fprintf(stderr, "Error: bpf_set_link_xdp_fd: %s\n",
286 		fprintf(stderr, "Error: bpf_prog_get_fd_by_id: %s\n", strerror(-prog_fd));
298 		fprintf(stderr, "Error: bpf_prog_get_info_by_fd: %s\n",
304 		fprintf(stderr, "Error: Found %u BPF maps, expected at least 2\n",
316 			fprintf(stderr, "Error: bpf_map_get_fd_by_id: %s\n", strerror(-err));
324 			fprintf(stderr, "Error: bpf_map_get_info_by_fd: %s\n",
379 				fprintf(stderr, "Error: bpf_get_link_xdp_id: %s\n",
401 		fprintf(stderr, "Replacing allowed ports\n");
410 				fprintf(stderr, "Error: bpf_map_update_elem: %s\n", strerror(-err));
411 				fprintf(stderr, "Failed to add port %u (index %u)\n",
415 			fprintf(stderr, "Added port %u\n", port);
420 			fprintf(stderr, "Error: bpf_map_update_elem: %s\n", strerror(-err));
421 			fprintf(stderr, "Failed to add the terminator value 0 (index %u)\n",
430 		fprintf(stderr, "Replacing TCP/IP options\n");
434 			fprintf(stderr, "Error: bpf_map_update_elem: %s\n", strerror(-err));
450 			fprintf(stderr, "Error: bpf_map_lookup_elem: %s\n", strerror(-err));