1 /*
2 * Copyright (c) 2020 Manivannan Sadhasivam <mani@kernel.org>
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <errno.h>
8 #include <zephyr.h>
9
10 #include "lw_priv.h"
11
12 #include <LoRaMac.h>
13
14 static const char *const status2str[] = {
15 [LORAMAC_STATUS_OK] = "OK",
16 [LORAMAC_STATUS_BUSY] = "Busy",
17 [LORAMAC_STATUS_SERVICE_UNKNOWN] = "Service unknown",
18 [LORAMAC_STATUS_PARAMETER_INVALID] = "Parameter invalid",
19 [LORAMAC_STATUS_FREQUENCY_INVALID] = "Frequency invalid",
20 [LORAMAC_STATUS_DATARATE_INVALID] = "Datarate invalid",
21 [LORAMAC_STATUS_FREQ_AND_DR_INVALID] = "Frequency or datarate invalid",
22 [LORAMAC_STATUS_NO_NETWORK_JOINED] = "No network joined",
23 [LORAMAC_STATUS_LENGTH_ERROR] = "Length error",
24 [LORAMAC_STATUS_REGION_NOT_SUPPORTED] = "Region not supported",
25 [LORAMAC_STATUS_SKIPPED_APP_DATA] = "Skipped APP data",
26 [LORAMAC_STATUS_DUTYCYCLE_RESTRICTED] = "Duty-cycle restricted",
27 [LORAMAC_STATUS_NO_CHANNEL_FOUND] = "No channel found",
28 [LORAMAC_STATUS_NO_FREE_CHANNEL_FOUND] = "No free channel found",
29 [LORAMAC_STATUS_BUSY_BEACON_RESERVED_TIME] =
30 "Busy beacon reserved time",
31 [LORAMAC_STATUS_BUSY_PING_SLOT_WINDOW_TIME] =
32 "Busy ping-slot window time",
33 [LORAMAC_STATUS_BUSY_UPLINK_COLLISION] = "Busy uplink collision",
34 [LORAMAC_STATUS_CRYPTO_ERROR] = "Crypto error",
35 [LORAMAC_STATUS_FCNT_HANDLER_ERROR] = "FCnt handler error",
36 [LORAMAC_STATUS_MAC_COMMAD_ERROR] = "MAC command error",
37 [LORAMAC_STATUS_CLASS_B_ERROR] = "ClassB error",
38 [LORAMAC_STATUS_CONFIRM_QUEUE_ERROR] = "Confirm queue error",
39 [LORAMAC_STATUS_MC_GROUP_UNDEFINED] = "Multicast group undefined",
40 [LORAMAC_STATUS_ERROR] = "Unknown error",
41 };
42
lorawan_status2str(unsigned int status)43 const char *lorawan_status2str(unsigned int status)
44 {
45 if (status < ARRAY_SIZE(status2str)) {
46 return status2str[status];
47 } else {
48 return "Unknown status!";
49 }
50 }
51
52 static const char *const eventinfo2str[] = {
53 [LORAMAC_EVENT_INFO_STATUS_OK] = "OK",
54 [LORAMAC_EVENT_INFO_STATUS_ERROR] = "Error",
55 [LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT] = "Tx timeout",
56 [LORAMAC_EVENT_INFO_STATUS_RX1_TIMEOUT] = "Rx 1 timeout",
57 [LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT] = "Rx 2 timeout",
58 [LORAMAC_EVENT_INFO_STATUS_RX1_ERROR] = "Rx1 error",
59 [LORAMAC_EVENT_INFO_STATUS_RX2_ERROR] = "Rx2 error",
60 [LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL] = "Join failed",
61 [LORAMAC_EVENT_INFO_STATUS_DOWNLINK_REPEATED] = "Downlink repeated",
62 [LORAMAC_EVENT_INFO_STATUS_TX_DR_PAYLOAD_SIZE_ERROR] =
63 "Tx DR payload size error",
64 [LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL] = "Address fail",
65 [LORAMAC_EVENT_INFO_STATUS_MIC_FAIL] = "MIC fail",
66 [LORAMAC_EVENT_INFO_STATUS_MULTICAST_FAIL] = "Multicast fail",
67 [LORAMAC_EVENT_INFO_STATUS_BEACON_LOCKED] = "Beacon locked",
68 [LORAMAC_EVENT_INFO_STATUS_BEACON_LOST] = "Beacon lost",
69 [LORAMAC_EVENT_INFO_STATUS_BEACON_NOT_FOUND] = "Beacon not found",
70 };
71
lorawan_eventinfo2str(unsigned int status)72 const char *lorawan_eventinfo2str(unsigned int status)
73 {
74 if (status < ARRAY_SIZE(eventinfo2str)) {
75 return eventinfo2str[status];
76 } else {
77 return "Unknown event!";
78 }
79 }
80
81 /*
82 * MAC status and Event status to Zephyr error code conversion.
83 * Direct mapping is not possible as statuses often indicate the domain from
84 * which the error originated rather than its cause or meaning. -EINVAL has been
85 * used as a general error code because those usually result from incorrect
86 * configuration.
87 */
88 static const int status2errno[] = {
89 [LORAMAC_STATUS_BUSY] = -EBUSY,
90 [LORAMAC_STATUS_SERVICE_UNKNOWN] = -ENOPROTOOPT,
91 [LORAMAC_STATUS_PARAMETER_INVALID] = -EINVAL,
92 [LORAMAC_STATUS_FREQUENCY_INVALID] = -EINVAL,
93 [LORAMAC_STATUS_DATARATE_INVALID] = -EINVAL,
94 [LORAMAC_STATUS_FREQ_AND_DR_INVALID] = -EINVAL,
95 [LORAMAC_STATUS_NO_NETWORK_JOINED] = -ENOTCONN,
96 [LORAMAC_STATUS_LENGTH_ERROR] = -EMSGSIZE,
97 [LORAMAC_STATUS_REGION_NOT_SUPPORTED] = -EPFNOSUPPORT,
98 [LORAMAC_STATUS_SKIPPED_APP_DATA] = -EMSGSIZE,
99 [LORAMAC_STATUS_DUTYCYCLE_RESTRICTED] = -ECONNREFUSED,
100 [LORAMAC_STATUS_NO_CHANNEL_FOUND] = -ENOTCONN,
101 [LORAMAC_STATUS_NO_FREE_CHANNEL_FOUND] = -ENOTCONN,
102 [LORAMAC_STATUS_BUSY_BEACON_RESERVED_TIME] = -EBUSY,
103 [LORAMAC_STATUS_BUSY_PING_SLOT_WINDOW_TIME] = -EBUSY,
104 [LORAMAC_STATUS_BUSY_UPLINK_COLLISION] = -EBUSY,
105 [LORAMAC_STATUS_CRYPTO_ERROR] = -EINVAL,
106 [LORAMAC_STATUS_FCNT_HANDLER_ERROR] = -EINVAL,
107 [LORAMAC_STATUS_MAC_COMMAD_ERROR] = -EINVAL,
108 [LORAMAC_STATUS_CLASS_B_ERROR] = -EINVAL,
109 [LORAMAC_STATUS_CONFIRM_QUEUE_ERROR] = -EINVAL,
110 [LORAMAC_STATUS_MC_GROUP_UNDEFINED] = -EINVAL,
111 };
112
lorawan_status2errno(unsigned int status)113 const int lorawan_status2errno(unsigned int status)
114 {
115 if (status < ARRAY_SIZE(status2errno) && status2errno[status] != 0) {
116 return status2errno[status];
117 } else {
118 return status == LORAMAC_STATUS_OK ? 0 : -EINVAL;
119 }
120 }
121
122 static const int eventinfo2errno[] = {
123 [LORAMAC_EVENT_INFO_STATUS_ERROR] = -EINVAL,
124 [LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT] = -ETIMEDOUT,
125 [LORAMAC_EVENT_INFO_STATUS_RX1_TIMEOUT] = -ETIMEDOUT,
126 [LORAMAC_EVENT_INFO_STATUS_RX2_TIMEOUT] = -ETIMEDOUT,
127 [LORAMAC_EVENT_INFO_STATUS_RX1_ERROR] = -EINVAL,
128 [LORAMAC_EVENT_INFO_STATUS_RX2_ERROR] = -EINVAL,
129 [LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL] = -EINVAL,
130 [LORAMAC_EVENT_INFO_STATUS_DOWNLINK_REPEATED] = -ECONNRESET,
131 [LORAMAC_EVENT_INFO_STATUS_TX_DR_PAYLOAD_SIZE_ERROR] = -EMSGSIZE,
132 [LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL] = -EACCES,
133 [LORAMAC_EVENT_INFO_STATUS_MIC_FAIL] = -EACCES,
134 [LORAMAC_EVENT_INFO_STATUS_MULTICAST_FAIL] = -EINVAL,
135 [LORAMAC_EVENT_INFO_STATUS_BEACON_LOCKED] = -EINVAL,
136 [LORAMAC_EVENT_INFO_STATUS_BEACON_LOST] = -EINVAL,
137 [LORAMAC_EVENT_INFO_STATUS_BEACON_NOT_FOUND] = -EINVAL,
138 };
139
lorawan_eventinfo2errno(unsigned int status)140 const int lorawan_eventinfo2errno(unsigned int status)
141 {
142 if (status < ARRAY_SIZE(eventinfo2errno) &&
143 eventinfo2errno[status] != 0) {
144 return eventinfo2errno[status];
145 } else {
146 return status == LORAMAC_EVENT_INFO_STATUS_OK ? 0 : -EINVAL;
147 }
148 }
149