30 static int prog_load(__u32 idx, __u32 mark, __u32 prio)  in prog_load()  argument
48 	/* set mark on socket */  in prog_load()
55 		/* if uid is 0, use given mark, else use the uid as the mark */  in prog_load()
58 		BPF_MOV64_IMM(BPF_REG_3, mark),  in prog_load()
60 		/* set the mark on the new socket */  in prog_load()
62 		BPF_MOV64_IMM(BPF_REG_2, offsetof(struct bpf_sock, mark)),  in prog_load()
63 		BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_3, offsetof(struct bpf_sock, mark)),  in prog_load()
83 	if (mark)  in prog_load()
103 	if (mark) {  in prog_load()
141 	unsigned int mark = 0;  in get_somark()  local
142 	socklen_t optlen = sizeof(mark);  in get_somark()
145 	rc = getsockopt(sd, SOL_SOCKET, SO_MARK, &mark, &optlen);  in get_somark()
149 	return mark;  in get_somark()
167 	unsigned int mark, prio;  in show_sockopts()  local
180 	mark = get_somark(sd);  in show_sockopts()
185 	printf("sd %d: dev %s, mark %u, priority %u\n", sd, name, mark, prio);  in show_sockopts()
194 	printf("  %s -b bind-to-dev -m mark -p prio cg-path\n", argv0);  in usage()
199 	printf("  Show inherited socket settings (mark, priority, and device)\n");  in usage()
206 	__u32 idx = 0, mark = 0, prio = 0;  in main()  local
229 			mark = strtoumax(optarg, NULL, 0);  in main()
251 	if (do_attach && !idx && !mark && !prio) {  in main()
253 			"One of device, mark or priority must be given\n");  in main()
264 		prog_fd = prog_load(idx, mark, prio);  in main()