Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 1 | #include <linux/moduleparam.h> |
| 2 | #include <linux/delay.h> |
| 3 | #include <linux/etherdevice.h> |
| 4 | #include <linux/netdevice.h> |
| 5 | #include <linux/if_arp.h> |
| 6 | #include <linux/kthread.h> |
| 7 | #include <linux/kfifo.h> |
| 8 | |
| 9 | #include "host.h" |
| 10 | #include "decl.h" |
| 11 | #include "dev.h" |
| 12 | #include "wext.h" |
| 13 | #include "debugfs.h" |
| 14 | #include "scan.h" |
| 15 | #include "assoc.h" |
| 16 | #include "cmd.h" |
| 17 | |
| 18 | static int mesh_get_default_parameters(struct device *dev, |
| 19 | struct mrvl_mesh_defaults *defs) |
| 20 | { |
| 21 | struct lbs_private *priv = to_net_dev(dev)->priv; |
| 22 | struct cmd_ds_mesh_config cmd; |
| 23 | int ret; |
| 24 | |
| 25 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); |
| 26 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET, |
| 27 | CMD_TYPE_MESH_GET_DEFAULTS); |
| 28 | |
| 29 | if (ret) |
| 30 | return -EOPNOTSUPP; |
| 31 | |
| 32 | memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults)); |
| 33 | |
| 34 | return 0; |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * @brief Get function for sysfs attribute bootflag |
| 39 | */ |
| 40 | static ssize_t bootflag_get(struct device *dev, |
| 41 | struct device_attribute *attr, char *buf) |
| 42 | { |
| 43 | struct mrvl_mesh_defaults defs; |
| 44 | int ret; |
| 45 | |
| 46 | ret = mesh_get_default_parameters(dev, &defs); |
| 47 | |
| 48 | if (ret) |
| 49 | return ret; |
| 50 | |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 51 | return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag)); |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | /** |
| 55 | * @brief Set function for sysfs attribute bootflag |
| 56 | */ |
| 57 | static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr, |
| 58 | const char *buf, size_t count) |
| 59 | { |
| 60 | struct lbs_private *priv = to_net_dev(dev)->priv; |
| 61 | struct cmd_ds_mesh_config cmd; |
| 62 | uint32_t datum; |
| 63 | int ret; |
| 64 | |
| 65 | memset(&cmd, 0, sizeof(cmd)); |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 66 | ret = sscanf(buf, "%d", &datum); |
| 67 | if ((ret != 1) || (datum > 1)) |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 68 | return -EINVAL; |
| 69 | |
| 70 | *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum); |
| 71 | cmd.length = cpu_to_le16(sizeof(uint32_t)); |
| 72 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, |
| 73 | CMD_TYPE_MESH_SET_BOOTFLAG); |
| 74 | if (ret) |
| 75 | return ret; |
| 76 | |
| 77 | return strlen(buf); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @brief Get function for sysfs attribute boottime |
| 82 | */ |
| 83 | static ssize_t boottime_get(struct device *dev, |
| 84 | struct device_attribute *attr, char *buf) |
| 85 | { |
| 86 | struct mrvl_mesh_defaults defs; |
| 87 | int ret; |
| 88 | |
| 89 | ret = mesh_get_default_parameters(dev, &defs); |
| 90 | |
| 91 | if (ret) |
| 92 | return ret; |
| 93 | |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 94 | return snprintf(buf, 12, "%d\n", defs.boottime); |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 95 | } |
| 96 | |
| 97 | /** |
| 98 | * @brief Set function for sysfs attribute boottime |
| 99 | */ |
| 100 | static ssize_t boottime_set(struct device *dev, |
| 101 | struct device_attribute *attr, const char *buf, size_t count) |
| 102 | { |
| 103 | struct lbs_private *priv = to_net_dev(dev)->priv; |
| 104 | struct cmd_ds_mesh_config cmd; |
| 105 | uint32_t datum; |
| 106 | int ret; |
| 107 | |
| 108 | memset(&cmd, 0, sizeof(cmd)); |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 109 | ret = sscanf(buf, "%d", &datum); |
| 110 | if ((ret != 1) || (datum > 255)) |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 111 | return -EINVAL; |
| 112 | |
| 113 | /* A too small boot time will result in the device booting into |
| 114 | * standalone (no-host) mode before the host can take control of it, |
| 115 | * so the change will be hard to revert. This may be a desired |
| 116 | * feature (e.g to configure a very fast boot time for devices that |
| 117 | * will not be attached to a host), but dangerous. So I'm enforcing a |
| 118 | * lower limit of 20 seconds: remove and recompile the driver if this |
| 119 | * does not work for you. |
| 120 | */ |
| 121 | datum = (datum < 20) ? 20 : datum; |
| 122 | cmd.data[0] = datum; |
| 123 | cmd.length = cpu_to_le16(sizeof(uint8_t)); |
| 124 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, |
| 125 | CMD_TYPE_MESH_SET_BOOTTIME); |
| 126 | if (ret) |
| 127 | return ret; |
| 128 | |
| 129 | return strlen(buf); |
| 130 | } |
| 131 | |
| 132 | /** |
Javier Cardona | b679aeb | 2008-05-20 15:18:49 -0700 | [diff] [blame] | 133 | * @brief Get function for sysfs attribute channel |
| 134 | */ |
| 135 | static ssize_t channel_get(struct device *dev, |
| 136 | struct device_attribute *attr, char *buf) |
| 137 | { |
| 138 | struct mrvl_mesh_defaults defs; |
| 139 | int ret; |
| 140 | |
| 141 | ret = mesh_get_default_parameters(dev, &defs); |
| 142 | |
| 143 | if (ret) |
| 144 | return ret; |
| 145 | |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 146 | return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel)); |
Javier Cardona | b679aeb | 2008-05-20 15:18:49 -0700 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | /** |
| 150 | * @brief Set function for sysfs attribute channel |
| 151 | */ |
| 152 | static ssize_t channel_set(struct device *dev, struct device_attribute *attr, |
| 153 | const char *buf, size_t count) |
| 154 | { |
| 155 | struct lbs_private *priv = to_net_dev(dev)->priv; |
| 156 | struct cmd_ds_mesh_config cmd; |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 157 | uint32_t datum; |
Javier Cardona | b679aeb | 2008-05-20 15:18:49 -0700 | [diff] [blame] | 158 | int ret; |
| 159 | |
| 160 | memset(&cmd, 0, sizeof(cmd)); |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 161 | ret = sscanf(buf, "%d", &datum); |
Javier Cardona | b679aeb | 2008-05-20 15:18:49 -0700 | [diff] [blame] | 162 | if (ret != 1 || datum < 1 || datum > 11) |
| 163 | return -EINVAL; |
| 164 | |
| 165 | *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum); |
| 166 | cmd.length = cpu_to_le16(sizeof(uint16_t)); |
| 167 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, |
| 168 | CMD_TYPE_MESH_SET_DEF_CHANNEL); |
| 169 | if (ret) |
| 170 | return ret; |
| 171 | |
| 172 | return strlen(buf); |
| 173 | } |
| 174 | |
| 175 | /** |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 176 | * @brief Get function for sysfs attribute mesh_id |
| 177 | */ |
| 178 | static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr, |
| 179 | char *buf) |
| 180 | { |
| 181 | struct mrvl_mesh_defaults defs; |
| 182 | int maxlen; |
| 183 | int ret; |
| 184 | |
| 185 | ret = mesh_get_default_parameters(dev, &defs); |
| 186 | |
| 187 | if (ret) |
| 188 | return ret; |
| 189 | |
| 190 | if (defs.meshie.val.mesh_id_len > IW_ESSID_MAX_SIZE) { |
Holger Schurig | df349f9 | 2008-05-23 12:16:51 +0200 | [diff] [blame] | 191 | lbs_pr_err("inconsistent mesh ID length"); |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 192 | defs.meshie.val.mesh_id_len = IW_ESSID_MAX_SIZE; |
| 193 | } |
| 194 | |
| 195 | /* SSID not null terminated: reserve room for \0 + \n */ |
| 196 | maxlen = defs.meshie.val.mesh_id_len + 2; |
| 197 | maxlen = (PAGE_SIZE > maxlen) ? maxlen : PAGE_SIZE; |
| 198 | |
| 199 | defs.meshie.val.mesh_id[defs.meshie.val.mesh_id_len] = '\0'; |
| 200 | |
| 201 | return snprintf(buf, maxlen, "%s\n", defs.meshie.val.mesh_id); |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * @brief Set function for sysfs attribute mesh_id |
| 206 | */ |
| 207 | static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr, |
| 208 | const char *buf, size_t count) |
| 209 | { |
| 210 | struct cmd_ds_mesh_config cmd; |
| 211 | struct mrvl_mesh_defaults defs; |
| 212 | struct mrvl_meshie *ie; |
| 213 | struct lbs_private *priv = to_net_dev(dev)->priv; |
| 214 | int len; |
| 215 | int ret; |
| 216 | |
| 217 | if (count < 2 || count > IW_ESSID_MAX_SIZE + 1) |
| 218 | return -EINVAL; |
| 219 | |
| 220 | memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config)); |
| 221 | ie = (struct mrvl_meshie *) &cmd.data[0]; |
| 222 | |
| 223 | /* fetch all other Information Element parameters */ |
| 224 | ret = mesh_get_default_parameters(dev, &defs); |
| 225 | |
| 226 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); |
| 227 | |
| 228 | /* transfer IE elements */ |
| 229 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); |
| 230 | |
| 231 | len = count - 1; |
| 232 | memcpy(ie->val.mesh_id, buf, len); |
| 233 | /* SSID len */ |
| 234 | ie->val.mesh_id_len = len; |
| 235 | /* IE len */ |
| 236 | ie->hdr.len = sizeof(struct mrvl_meshie_val) - IW_ESSID_MAX_SIZE + len; |
| 237 | |
| 238 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, |
| 239 | CMD_TYPE_MESH_SET_MESH_IE); |
| 240 | if (ret) |
| 241 | return ret; |
| 242 | |
| 243 | return strlen(buf); |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * @brief Get function for sysfs attribute protocol_id |
| 248 | */ |
| 249 | static ssize_t protocol_id_get(struct device *dev, |
| 250 | struct device_attribute *attr, char *buf) |
| 251 | { |
| 252 | struct mrvl_mesh_defaults defs; |
| 253 | int ret; |
| 254 | |
| 255 | ret = mesh_get_default_parameters(dev, &defs); |
| 256 | |
| 257 | if (ret) |
| 258 | return ret; |
| 259 | |
| 260 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id); |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * @brief Set function for sysfs attribute protocol_id |
| 265 | */ |
| 266 | static ssize_t protocol_id_set(struct device *dev, |
| 267 | struct device_attribute *attr, const char *buf, size_t count) |
| 268 | { |
| 269 | struct cmd_ds_mesh_config cmd; |
| 270 | struct mrvl_mesh_defaults defs; |
| 271 | struct mrvl_meshie *ie; |
| 272 | struct lbs_private *priv = to_net_dev(dev)->priv; |
| 273 | uint32_t datum; |
| 274 | int ret; |
| 275 | |
| 276 | memset(&cmd, 0, sizeof(cmd)); |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 277 | ret = sscanf(buf, "%d", &datum); |
| 278 | if ((ret != 1) || (datum > 255)) |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 279 | return -EINVAL; |
| 280 | |
| 281 | /* fetch all other Information Element parameters */ |
| 282 | ret = mesh_get_default_parameters(dev, &defs); |
| 283 | |
| 284 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); |
| 285 | |
| 286 | /* transfer IE elements */ |
| 287 | ie = (struct mrvl_meshie *) &cmd.data[0]; |
| 288 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); |
| 289 | /* update protocol id */ |
| 290 | ie->val.active_protocol_id = datum; |
| 291 | |
| 292 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, |
| 293 | CMD_TYPE_MESH_SET_MESH_IE); |
| 294 | if (ret) |
| 295 | return ret; |
| 296 | |
| 297 | return strlen(buf); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * @brief Get function for sysfs attribute metric_id |
| 302 | */ |
| 303 | static ssize_t metric_id_get(struct device *dev, |
| 304 | struct device_attribute *attr, char *buf) |
| 305 | { |
| 306 | struct mrvl_mesh_defaults defs; |
| 307 | int ret; |
| 308 | |
| 309 | ret = mesh_get_default_parameters(dev, &defs); |
| 310 | |
| 311 | if (ret) |
| 312 | return ret; |
| 313 | |
| 314 | return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id); |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * @brief Set function for sysfs attribute metric_id |
| 319 | */ |
| 320 | static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr, |
| 321 | const char *buf, size_t count) |
| 322 | { |
| 323 | struct cmd_ds_mesh_config cmd; |
| 324 | struct mrvl_mesh_defaults defs; |
| 325 | struct mrvl_meshie *ie; |
| 326 | struct lbs_private *priv = to_net_dev(dev)->priv; |
| 327 | uint32_t datum; |
| 328 | int ret; |
| 329 | |
| 330 | memset(&cmd, 0, sizeof(cmd)); |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 331 | ret = sscanf(buf, "%d", &datum); |
| 332 | if ((ret != 1) || (datum > 255)) |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 333 | return -EINVAL; |
| 334 | |
| 335 | /* fetch all other Information Element parameters */ |
| 336 | ret = mesh_get_default_parameters(dev, &defs); |
| 337 | |
| 338 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); |
| 339 | |
| 340 | /* transfer IE elements */ |
| 341 | ie = (struct mrvl_meshie *) &cmd.data[0]; |
| 342 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); |
| 343 | /* update metric id */ |
| 344 | ie->val.active_metric_id = datum; |
| 345 | |
| 346 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, |
| 347 | CMD_TYPE_MESH_SET_MESH_IE); |
| 348 | if (ret) |
| 349 | return ret; |
| 350 | |
| 351 | return strlen(buf); |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * @brief Get function for sysfs attribute capability |
| 356 | */ |
| 357 | static ssize_t capability_get(struct device *dev, |
| 358 | struct device_attribute *attr, char *buf) |
| 359 | { |
| 360 | struct mrvl_mesh_defaults defs; |
| 361 | int ret; |
| 362 | |
| 363 | ret = mesh_get_default_parameters(dev, &defs); |
| 364 | |
| 365 | if (ret) |
| 366 | return ret; |
| 367 | |
| 368 | return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability); |
| 369 | } |
| 370 | |
| 371 | /** |
| 372 | * @brief Set function for sysfs attribute capability |
| 373 | */ |
| 374 | static ssize_t capability_set(struct device *dev, struct device_attribute *attr, |
| 375 | const char *buf, size_t count) |
| 376 | { |
| 377 | struct cmd_ds_mesh_config cmd; |
| 378 | struct mrvl_mesh_defaults defs; |
| 379 | struct mrvl_meshie *ie; |
| 380 | struct lbs_private *priv = to_net_dev(dev)->priv; |
| 381 | uint32_t datum; |
| 382 | int ret; |
| 383 | |
| 384 | memset(&cmd, 0, sizeof(cmd)); |
Brian Cavagnolo | fb90490 | 2008-07-16 12:15:26 -0700 | [diff] [blame^] | 385 | ret = sscanf(buf, "%d", &datum); |
| 386 | if ((ret != 1) || (datum > 255)) |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 387 | return -EINVAL; |
| 388 | |
| 389 | /* fetch all other Information Element parameters */ |
| 390 | ret = mesh_get_default_parameters(dev, &defs); |
| 391 | |
| 392 | cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie)); |
| 393 | |
| 394 | /* transfer IE elements */ |
| 395 | ie = (struct mrvl_meshie *) &cmd.data[0]; |
| 396 | memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie)); |
| 397 | /* update value */ |
| 398 | ie->val.mesh_capability = datum; |
| 399 | |
| 400 | ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET, |
| 401 | CMD_TYPE_MESH_SET_MESH_IE); |
| 402 | if (ret) |
| 403 | return ret; |
| 404 | |
| 405 | return strlen(buf); |
| 406 | } |
| 407 | |
| 408 | |
| 409 | static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set); |
| 410 | static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set); |
Javier Cardona | b679aeb | 2008-05-20 15:18:49 -0700 | [diff] [blame] | 411 | static DEVICE_ATTR(channel, 0644, channel_get, channel_set); |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 412 | static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set); |
| 413 | static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set); |
| 414 | static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set); |
| 415 | static DEVICE_ATTR(capability, 0644, capability_get, capability_set); |
| 416 | |
| 417 | static struct attribute *boot_opts_attrs[] = { |
| 418 | &dev_attr_bootflag.attr, |
| 419 | &dev_attr_boottime.attr, |
Javier Cardona | b679aeb | 2008-05-20 15:18:49 -0700 | [diff] [blame] | 420 | &dev_attr_channel.attr, |
Javier Cardona | 15dbaac | 2008-05-17 21:01:24 -0700 | [diff] [blame] | 421 | NULL |
| 422 | }; |
| 423 | |
| 424 | static struct attribute_group boot_opts_group = { |
| 425 | .name = "boot_options", |
| 426 | .attrs = boot_opts_attrs, |
| 427 | }; |
| 428 | |
| 429 | static struct attribute *mesh_ie_attrs[] = { |
| 430 | &dev_attr_mesh_id.attr, |
| 431 | &dev_attr_protocol_id.attr, |
| 432 | &dev_attr_metric_id.attr, |
| 433 | &dev_attr_capability.attr, |
| 434 | NULL |
| 435 | }; |
| 436 | |
| 437 | static struct attribute_group mesh_ie_group = { |
| 438 | .name = "mesh_ie", |
| 439 | .attrs = mesh_ie_attrs, |
| 440 | }; |
| 441 | |
| 442 | void lbs_persist_config_init(struct net_device *dev) |
| 443 | { |
| 444 | int ret; |
| 445 | ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group); |
| 446 | ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group); |
| 447 | } |
| 448 | |
| 449 | void lbs_persist_config_remove(struct net_device *dev) |
| 450 | { |
| 451 | sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group); |
| 452 | sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group); |
| 453 | } |