26 static struct env {  struct
38 } env;  argument
47 	if (level == LIBBPF_DEBUG && !env.verbosity)  in libbpf_print_fn()
90 		env.feature.action = XDP_PASS;  in get_xdp_feature()
91 		env.feature.drv_feature = NETDEV_XDP_ACT_BASIC;  in get_xdp_feature()
93 		env.feature.drv_feature = NETDEV_XDP_ACT_BASIC;  in get_xdp_feature()
94 		env.feature.action = XDP_DROP;  in get_xdp_feature()
96 		env.feature.drv_feature = NETDEV_XDP_ACT_BASIC;  in get_xdp_feature()
97 		env.feature.action = XDP_ABORTED;  in get_xdp_feature()
99 		env.feature.drv_feature = NETDEV_XDP_ACT_BASIC;  in get_xdp_feature()
100 		env.feature.action = XDP_TX;  in get_xdp_feature()
102 		env.feature.drv_feature = NETDEV_XDP_ACT_REDIRECT;  in get_xdp_feature()
103 		env.feature.action = XDP_REDIRECT;  in get_xdp_feature()
105 		env.feature.drv_feature = NETDEV_XDP_ACT_NDO_XMIT;  in get_xdp_feature()
115 	switch (env.feature.action) {  in get_xdp_feature_str()
130 	if (env.feature.drv_feature == NETDEV_XDP_ACT_NDO_XMIT)  in get_xdp_feature_str()
140 		env.verbosity = true;  in parse_arg()
143 		env.is_tester = true;  in parse_arg()
154 				  &env.dut_addr, NULL)) {  in parse_arg()
163 				  &env.dut_ctrl_addr, NULL)) {  in parse_arg()
171 		if (make_sockaddr(AF_INET6, arg, 0, &env.tester_addr, NULL)) {  in parse_arg()
186 		env.ifindex = if_nametoindex(arg);  in parse_arg()
187 		if (!env.ifindex)  in parse_arg()
188 			env.ifindex = strtoul(arg, NULL, 0);  in parse_arg()
189 		if (!env.ifindex || !if_indextoname(env.ifindex, env.ifname)) {  in parse_arg()
212 	env.feature.drv_feature = NETDEV_XDP_ACT_NDO_XMIT;  in set_env_default()
213 	env.feature.action = -EINVAL;  in set_env_default()
214 	env.ifindex = -ENODEV;  in set_env_default()
215 	strcpy(env.ifname, "unknown");  in set_env_default()
217 		      &env.dut_ctrl_addr, NULL);  in set_env_default()
219 		      &env.dut_addr, NULL);  in set_env_default()
220 	make_sockaddr(AF_INET6, "::ffff:127.0.0.1", 0, &env.tester_addr, NULL);  in set_env_default()
261 			env.ifname);  in dut_run_echo_thread()
270 			env.ifname, strerror(-err));  in dut_run_echo_thread()
280 	enum xdp_action action = env.feature.action;  in dut_attach_xdp_prog()
285 	if (env.feature.drv_feature == NETDEV_XDP_ACT_NDO_XMIT) {  in dut_attach_xdp_prog()
287 			.ifindex = env.ifindex,  in dut_attach_xdp_prog()
332 	err = bpf_xdp_attach(env.ifindex, bpf_program__fd(prog), flags, NULL);  in dut_attach_xdp_prog()
335 			env.ifname);  in dut_attach_xdp_prog()
372 			"Failed creating control socket on device %s\n", env.ifname);  in dut_run()
380 			env.ifname);  in dut_run()
423 			bpf_xdp_detach(env.ifindex, flags, NULL);  in dut_run()
434 			err = bpf_xdp_query(env.ifindex, XDP_FLAGS_DRV_MODE,  in dut_run()
439 					env.ifname);  in dut_run()
488 	bpf_xdp_detach(env.ifindex, flags, NULL);  in dut_run()
510 	switch (env.feature.action) {  in tester_collect_detected_cap()
522 	if (env.feature.drv_feature == NETDEV_XDP_ACT_NDO_XMIT)  in tester_collect_detected_cap()
559 			env.ifname);  in send_echo_msg()
567 		   (struct sockaddr *)&env.dut_addr, sizeof(env.dut_addr));  in send_echo_msg()
592 	err = connect(sockfd, (struct sockaddr *)&env.dut_ctrl_addr,  in tester_run()
593 		      sizeof(env.dut_ctrl_addr));  in tester_run()
609 	if (env.feature.drv_feature == NETDEV_XDP_ACT_NDO_XMIT ||  in tester_run()
610 	    env.feature.action == XDP_TX)  in tester_run()
615 	err = bpf_xdp_attach(env.ifindex, bpf_program__fd(prog), flags, NULL);  in tester_run()
618 			env.ifname);  in tester_run()
647 		env.feature.drv_feature & advertised_feature ? GREEN("ADVERTISED")  in tester_run()
650 	bpf_xdp_detach(env.ifindex, flags, NULL);  in tester_run()
673 	if (env.ifindex < 0) {  in main()
674 		fprintf(stderr, "Invalid device name %s\n", env.ifname);  in main()
686 		((struct sockaddr_in6 *)&env.tester_addr)->sin6_addr;  in main()
688 		((struct sockaddr_in6 *)&env.dut_addr)->sin6_addr;  in main()
703 	if (env.is_tester) {  in main()
706 			env.ifname);  in main()
710 		fprintf(stdout, "Starting test on device %s\n", env.ifname);  in main()