developer | b11a539 | 2022-03-31 00:34:47 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: ISC |
| 2 | /* Copyright (C) 2020 Felix Fietkau <nbd@nbd.name> */ |
| 3 | #define _GNU_SOURCE |
| 4 | |
| 5 | #include <sys/types.h> |
| 6 | #include <sys/uio.h> |
| 7 | #include <arpa/inet.h> |
| 8 | #include <netinet/in.h> |
| 9 | #include <unistd.h> |
| 10 | #include <stdio.h> |
| 11 | #include <stdbool.h> |
| 12 | #include <errno.h> |
| 13 | #include <poll.h> |
| 14 | #include <fcntl.h> |
| 15 | #include <signal.h> |
| 16 | #include "mt76-test.h" |
| 17 | |
| 18 | struct unl unl; |
| 19 | static uint32_t tm_changed[DIV_ROUND_UP(NUM_MT76_TM_ATTRS, 32)]; |
| 20 | static const char *progname; |
| 21 | |
| 22 | static int phy_lookup_idx(const char *name) |
| 23 | { |
| 24 | char buf[128]; |
| 25 | FILE *f; |
| 26 | int len; |
| 27 | |
| 28 | snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", name); |
| 29 | f = fopen(buf, "r"); |
| 30 | if (!f) |
| 31 | return -1; |
| 32 | |
| 33 | len = fread(buf, 1, sizeof(buf) - 1, f); |
| 34 | fclose(f); |
| 35 | |
| 36 | if (!len) |
| 37 | return -1; |
| 38 | |
| 39 | buf[len] = 0; |
| 40 | return atoi(buf); |
| 41 | } |
| 42 | |
| 43 | void usage(void) |
| 44 | { |
| 45 | static const char *const commands[] = { |
| 46 | "set <var>=<val> [...]", |
| 47 | "dump [stats]", |
| 48 | "eeprom file", |
| 49 | "eeprom set <addr>=<val> [...]", |
| 50 | "eeprom changes", |
| 51 | "eeprom reset", |
| 52 | }; |
| 53 | int i; |
| 54 | |
| 55 | fprintf(stderr, "Usage:\n"); |
| 56 | for (i = 0; i < ARRAY_SIZE(commands); i++) |
| 57 | printf(" %s phyX %s\n", progname, commands[i]); |
| 58 | |
| 59 | exit(1); |
| 60 | } |
| 61 | |
| 62 | static int mt76_dump_cb(struct nl_msg *msg, void *arg) |
| 63 | { |
| 64 | struct nlattr *attr; |
| 65 | |
| 66 | attr = unl_find_attr(&unl, msg, NL80211_ATTR_TESTDATA); |
| 67 | if (!attr) { |
| 68 | fprintf(stderr, "Testdata attribute not found\n"); |
| 69 | return NL_SKIP; |
| 70 | } |
| 71 | |
| 72 | msg_field.print(&msg_field, attr); |
| 73 | |
| 74 | return NL_SKIP; |
| 75 | } |
| 76 | |
| 77 | static int mt76_dump(int phy, int argc, char **argv) |
| 78 | { |
| 79 | struct nl_msg *msg; |
| 80 | void *data; |
| 81 | |
| 82 | msg = unl_genl_msg(&unl, NL80211_CMD_TESTMODE, true); |
| 83 | nla_put_u32(msg, NL80211_ATTR_WIPHY, phy); |
| 84 | |
| 85 | data = nla_nest_start(msg, NL80211_ATTR_TESTDATA); |
| 86 | |
| 87 | for (; argc > 0; argc--, argv++) { |
| 88 | if (!strcmp(argv[0], "stats")) |
| 89 | nla_put_flag(msg, MT76_TM_ATTR_STATS); |
| 90 | } |
| 91 | |
| 92 | nla_nest_end(msg, data); |
| 93 | |
| 94 | unl_genl_request(&unl, msg, mt76_dump_cb, NULL); |
| 95 | |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | static inline void tm_set_changed(uint32_t id) |
| 100 | { |
| 101 | tm_changed[id / 32] |= (1U << (id % 32)); |
| 102 | } |
| 103 | |
| 104 | static inline bool tm_is_changed(uint32_t id) |
| 105 | { |
| 106 | return tm_changed[id / 32] & (1U << (id % 32)); |
| 107 | } |
| 108 | |
| 109 | static int mt76_set(int phy, int argc, char **argv) |
| 110 | { |
| 111 | const struct tm_field *fields = msg_field.fields; |
| 112 | struct nl_msg *msg; |
| 113 | void *data; |
| 114 | int i, ret; |
| 115 | |
| 116 | if (argc < 1) |
| 117 | return 1; |
| 118 | |
| 119 | msg = unl_genl_msg(&unl, NL80211_CMD_TESTMODE, false); |
| 120 | nla_put_u32(msg, NL80211_ATTR_WIPHY, phy); |
| 121 | |
| 122 | data = nla_nest_start(msg, NL80211_ATTR_TESTDATA); |
| 123 | for (; argc > 0; argc--, argv++) { |
| 124 | char *name = argv[0]; |
| 125 | char *val = strchr(name, '='); |
| 126 | |
| 127 | if (!val) { |
| 128 | fprintf(stderr, "Invalid argument: %s\n", name); |
| 129 | return 1; |
| 130 | } |
| 131 | |
| 132 | *(val++) = 0; |
| 133 | |
| 134 | for (i = 0; i < msg_field.len; i++) { |
| 135 | if (!fields[i].parse) |
| 136 | continue; |
| 137 | |
| 138 | if (!strcmp(fields[i].name, name)) |
| 139 | break; |
| 140 | } |
| 141 | |
| 142 | if (i == msg_field.len) { |
| 143 | fprintf(stderr, "Unknown field: %s\n", name); |
| 144 | return 1; |
| 145 | } |
| 146 | |
| 147 | if (tm_is_changed(i)) { |
| 148 | fprintf(stderr, "Duplicate field '%s'\n", name); |
| 149 | return 1; |
| 150 | } |
| 151 | |
| 152 | if (!fields[i].parse(&fields[i], i, msg, val)) |
| 153 | return 1; |
| 154 | |
| 155 | tm_set_changed(i); |
| 156 | } |
| 157 | |
| 158 | nla_nest_end(msg, data); |
| 159 | |
| 160 | ret = unl_genl_request(&unl, msg, NULL, NULL); |
| 161 | if (ret) |
| 162 | fprintf(stderr, "nl80211 call failed: %s\n", strerror(-ret)); |
| 163 | |
| 164 | return ret; |
| 165 | } |
| 166 | |
| 167 | int main(int argc, char **argv) |
| 168 | { |
| 169 | const char *cmd, *phyname; |
| 170 | int phy; |
| 171 | int ret = 0; |
| 172 | |
| 173 | progname = argv[0]; |
| 174 | if (argc < 3) |
| 175 | usage(); |
| 176 | |
| 177 | if (unl_genl_init(&unl, "nl80211") < 0) { |
| 178 | fprintf(stderr, "Failed to connect to nl80211\n"); |
| 179 | return 2; |
| 180 | } |
| 181 | |
| 182 | phyname = argv[1]; |
| 183 | phy = phy_lookup_idx(phyname); |
| 184 | if (phy < 0) { |
| 185 | fprintf(stderr, "Could not find phy '%s'\n", argv[1]); |
| 186 | return 2; |
| 187 | } |
| 188 | |
| 189 | cmd = argv[2]; |
| 190 | argv += 3; |
| 191 | argc -= 3; |
| 192 | |
| 193 | if (!strcmp(cmd, "dump")) |
| 194 | ret = mt76_dump(phy, argc, argv); |
| 195 | else if (!strcmp(cmd, "set")) |
| 196 | ret = mt76_set(phy, argc, argv); |
| 197 | else if (!strcmp(cmd, "eeprom")) |
| 198 | ret = mt76_eeprom(phy, argc, argv); |
| 199 | else if (!strcmp(cmd, "fwlog")) |
| 200 | ret = mt76_fwlog(phyname, argc, argv); |
| 201 | else |
| 202 | usage(); |
| 203 | |
| 204 | unl_free(&unl); |
| 205 | |
| 206 | return ret; |
| 207 | } |