4  * SPDX-License-Identifier: Apache-2.0
47 	return -1;  in string_to_crc_type()
56 	shell_print(sh, "-f         This is the first packet");  in usage()
57 	shell_print(sh, "-l         This is the last packet");  in usage()
58 	shell_print(sh, "-p <poly>  Use polynomial 'poly'");  in usage()
59 	shell_print(sh, "-r         Reflect");  in usage()
60 	shell_print(sh, "-s <seed>  Use 'seed' as the initial value");  in usage()
61 	shell_print(sh, "-t <type>  Compute the CRC described by 'type'");  in usage()
72 	size_t size = -1;  in cmd_crc()
78 	void *addr = (void *)-1;  in cmd_crc()
83 	while ((rv = getopt(argc, argv, "fhlp:rs:t:")) != -1) {  in cmd_crc()
85 		case 'f':  in cmd_crc()
88 		case 'h':  in cmd_crc()
91 		case 'l':  in cmd_crc()
94 		case 'p':  in cmd_crc()
98 				return -EINVAL;  in cmd_crc()
101 		case 'r':  in cmd_crc()
104 		case 's':  in cmd_crc()
108 				return -EINVAL;  in cmd_crc()
111 		case 't':  in cmd_crc()
113 			if (type == -1) {  in cmd_crc()
115 				return -EINVAL;  in cmd_crc()
118 		case '?':  in cmd_crc()
121 			return -EINVAL;  in cmd_crc()
128 		return -EINVAL;  in cmd_crc()
134 		return -EINVAL;  in cmd_crc()
140 		return -EINVAL;  in cmd_crc()