19 static unsigned int ifindex;  variable
34 			    .ifindex = ifindex,  in cleanup()
49 		err = bpf_xdp_attach(ifindex, -1, 0, NULL);  in cleanup()
57 		err = bpf_xdp_attach(ifindex, -1, XDP_FLAGS_REPLACE, &opts);  in cleanup()
91 static void parse_options(int argc, char *argv[], unsigned int *ifindex, __u32 *prog_id,  in parse_options()  argument
114 	*ifindex = 0;  in parse_options()
133 			*ifindex = if_nametoindex(optarg);  in parse_options()
134 			if (*ifindex == 0)  in parse_options()
182 	if (*ifindex != 0 && *prog_id != 0)  in parse_options()
184 	if (*ifindex == 0 && *prog_id == 0)  in parse_options()
188 static int syncookie_attach(const char *argv0, unsigned int ifindex, bool tc)  in syncookie_attach()  argument
232 			    .ifindex = ifindex,  in syncookie_attach()
253 		err = bpf_xdp_attach(ifindex, prog_fd,  in syncookie_attach()
372 	parse_options(argc, argv, &ifindex, &prog_id, &tcpipopts, &ports,  in main()
377 			err = bpf_xdp_query_id(ifindex, 0, &prog_id);  in main()
385 			err = syncookie_attach(argv[0], ifindex, tc);  in main()