libnm-core/nm-setting-bond.c

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
   2
   3 /*
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301 USA.
  18  *
  19  * Copyright 2011 - 2013 Red Hat, Inc.
  20  */
  21
  22 #include "nm-default.h"
  23
  24 #include <string.h>
  25 #include <stdlib.h>
  26 #include <errno.h>
  27 #include <netinet/in.h>
  28 #include <arpa/inet.h>
  29
  30 #include "nm-setting-bond.h"
  31 #include "nm-utils.h"
  32 #include "nm-utils-private.h"
  33 #include "nm-connection-private.h"
  34 #include "nm-setting-infiniband.h"
  35
  36 /**
  37  * SECTION:nm-setting-bond
  38  * @short_description: Describes connection properties for bonds
  39  *
  40  * The #NMSettingBond object is a #NMSetting subclass that describes properties
  41  * necessary for bond connections.
  42  **/
  43
  44 G_DEFINE_TYPE_WITH_CODE (NMSettingBond, nm_setting_bond, NM_TYPE_SETTING,
  45                          _nm_register_setting (BOND, 1))
  46 NM_SETTING_REGISTER_TYPE (NM_TYPE_SETTING_BOND)
  47
  48 #define NM_SETTING_BOND_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_SETTING_BOND, NMSettingBondPrivate))
  49
  50 typedef struct {
  51         GHashTable *options;
  52 } NMSettingBondPrivate;
  53
  54 enum {
  55         PROP_0,
  56         PROP_OPTIONS,
  57         LAST_PROP
  58 };
  59
  60 enum {
  61         TYPE_INT,
  62         TYPE_STR,
  63         TYPE_BOTH,
  64         TYPE_IP,
  65         TYPE_IFNAME,
  66 };
  67
  68 typedef struct {
  69         const char *opt;
  70         const char *val;
  71         guint opt_type;
  72         guint min;
  73         guint max;
  74         char *list[10];
  75 } BondDefault;
  76
  77 static const BondDefault defaults[] = {
  78         { NM_SETTING_BOND_OPTION_MODE,             "balance-rr", TYPE_BOTH, 0, 6,
  79           { "balance-rr", "active-backup", "balance-xor", "broadcast", "802.3ad", "balance-tlb", "balance-alb", NULL } },
  80         { NM_SETTING_BOND_OPTION_MIIMON,           "100",        TYPE_INT, 0, G_MAXINT },
  81         { NM_SETTING_BOND_OPTION_DOWNDELAY,        "0",          TYPE_INT, 0, G_MAXINT },
  82         { NM_SETTING_BOND_OPTION_UPDELAY,          "0",          TYPE_INT, 0, G_MAXINT },
  83         { NM_SETTING_BOND_OPTION_ARP_INTERVAL,     "0",          TYPE_INT, 0, G_MAXINT },
  84         { NM_SETTING_BOND_OPTION_ARP_IP_TARGET,    "",           TYPE_IP },
  85         { NM_SETTING_BOND_OPTION_ARP_VALIDATE,     "0",          TYPE_BOTH, 0, 3,
  86           { "none", "active", "backup", "all", NULL } },
  87         { NM_SETTING_BOND_OPTION_PRIMARY,          "",           TYPE_IFNAME },
  88         { NM_SETTING_BOND_OPTION_PRIMARY_RESELECT, "0",          TYPE_BOTH, 0, 2,
  89           { "always", "better", "failure", NULL } },
  90         { NM_SETTING_BOND_OPTION_FAIL_OVER_MAC,    "0",          TYPE_BOTH, 0, 2,
  91           { "none", "active", "follow", NULL } },
  92         { NM_SETTING_BOND_OPTION_USE_CARRIER,      "1",          TYPE_INT, 0, 1 },
  93         { NM_SETTING_BOND_OPTION_AD_SELECT,        "0",          TYPE_BOTH, 0, 2,
  94           { "stable", "bandwidth", "count", NULL } },
  95         { NM_SETTING_BOND_OPTION_XMIT_HASH_POLICY, "0",          TYPE_BOTH, 0, 2,
  96           { "layer2", "layer3+4", "layer2+3", NULL } },
  97         { NM_SETTING_BOND_OPTION_RESEND_IGMP,      "1",          TYPE_INT, 0, 255 },
  98         { NM_SETTING_BOND_OPTION_LACP_RATE,        "0",          TYPE_BOTH, 0, 1,
  99           { "slow", "fast", NULL } },
 100 };
 101
 102 /**
 103  * nm_setting_bond_new:
 104  *
 105  * Creates a new #NMSettingBond object with default values.
 106  *
 107  * Returns: (transfer full): the new empty #NMSettingBond object
 108  **/
 109 NMSetting *
 110 nm_setting_bond_new (void)
 111 {
 112         return (NMSetting *) g_object_new (NM_TYPE_SETTING_BOND, NULL);
 113 }
 114
 115 /**
 116  * nm_setting_bond_get_num_options:
 117  * @setting: the #NMSettingBond
 118  *
 119  * Returns the number of options that should be set for this bond when it
 120  * is activated. This can be used to retrieve each option individually
 121  * using nm_setting_bond_get_option().
 122  *
 123  * Returns: the number of bonding options
 124  **/
 125 guint32
 126 nm_setting_bond_get_num_options (NMSettingBond *setting)
 127 {
 128         g_return_val_if_fail (NM_IS_SETTING_BOND (setting), 0);
 129
 130         return g_hash_table_size (NM_SETTING_BOND_GET_PRIVATE (setting)->options);
 131 }
 132
 133 /**
 134  * nm_setting_bond_get_option:
 135  * @setting: the #NMSettingBond
 136  * @idx: index of the desired option, from 0 to
 137  * nm_setting_bond_get_num_options() - 1
 138  * @out_name: (out) (transfer none): on return, the name of the bonding option;
 139  *   this value is owned by the setting and should not be modified
 140  * @out_value: (out) (transfer none): on return, the value of the name of the
 141  *   bonding option; this value is owned by the setting and should not be
 142  *   modified
 143  *
 144  * Given an index, return the value of the bonding option at that index.  Indexes
 145  * are *not* guaranteed to be static across modifications to options done by
 146  * nm_setting_bond_add_option() and nm_setting_bond_remove_option(),
 147  * and should not be used to refer to options except for short periods of time
 148  * such as during option iteration.
 149  *
 150  * Returns: %TRUE on success if the index was valid and an option was found,
 151  * %FALSE if the index was invalid (ie, greater than the number of options
 152  * currently held by the setting)
 153  **/
 154 gboolean
 155 nm_setting_bond_get_option (NMSettingBond *setting,
 156                             guint32 idx,
 157                             const char **out_name,
 158                             const char **out_value)
 159 {
 160         NMSettingBondPrivate *priv;
 161         GList *keys;
 162         const char *_key = NULL, *_value = NULL;
 163
 164         g_return_val_if_fail (NM_IS_SETTING_BOND (setting), FALSE);
 165
 166         priv = NM_SETTING_BOND_GET_PRIVATE (setting);
 167
 168         if (idx >= nm_setting_bond_get_num_options (setting))
 169                 return FALSE;
 170
 171         keys = g_hash_table_get_keys (priv->options);
 172         _key = g_list_nth_data (keys, idx);
 173         _value = g_hash_table_lookup (priv->options, _key);
 174
 175         if (out_name)
 176                 *out_name = _key;
 177         if (out_value)
 178                 *out_value = _value;
 179
 180         g_list_free (keys);
 181         return TRUE;
 182 }
 183
 184 static gboolean
 185 validate_int (const char *name, const char *value, const BondDefault *def)
 186 {
 187         glong num;
 188         guint i;
 189
 190         for (i = 0; i < strlen (value); i++) {
 191                 if (!g_ascii_isdigit (value[i]) && value[i] != '-')
 192                         return FALSE;
 193         }
 194
 195         errno = 0;
 196         num = strtol (value, NULL, 10);
 197         if (errno)
 198                 return FALSE;
 199         if (num < def->min || num > def->max)
 200                 return FALSE;
 201
 202         return TRUE;
 203 }
 204
 205 static gboolean
 206 validate_list (const char *name, const char *value, const BondDefault *def)
 207 {
 208         guint i;
 209
 210         for (i = 0; i < G_N_ELEMENTS (def->list) && def->list[i]; i++) {
 211                 if (g_strcmp0 (def->list[i], value) == 0)
 212                         return TRUE;
 213         }
 214
 215         /* empty validation list means all values pass */
 216         return def->list[0] == NULL ? TRUE : FALSE;
 217 }
 218
 219 static gboolean
 220 validate_ip (const char *name, const char *value)
 221 {
 222         char **ips, **iter;
 223         gboolean success = TRUE;
 224         struct in_addr addr;
 225
 226         if (!value || !value[0])
 227                 return FALSE;
 228
 229         ips = g_strsplit_set (value, ",", 0);
 230         for (iter = ips; iter && *iter && success; iter++)
 231                 success = !!inet_aton (*iter, &addr);
 232         g_strfreev (ips);
 233
 234         return success;
 235 }
 236
 237 static gboolean
 238 validate_ifname (const char *name, const char *value)
 239 {
 240         if (!value || !value[0])
 241                 return FALSE;
 242
 243         return nm_utils_iface_valid_name (value);
 244 }
 245
 246 /**
 247  * nm_setting_bond_validate_option:
 248  * @name: the name of the option to validate
 249  * @value: the value of the option to validate
 250  *
 251  * Checks whether @name is a valid bond option and @value is a valid value for
 252  * the @name. If @value is %NULL, the function only validates the option name.
 253  *
 254  * Returns: %TRUE, if the @value is valid for the given name.
 255  * If the @name is not a valid option, %FALSE will be returned.
 256  **/
 257 gboolean
 258 nm_setting_bond_validate_option (const char *name,
 259                                  const char *value)
 260 {
 261         guint i;
 262
 263         if (!name || !name[0])
 264                 return FALSE;
 265
 266         for (i = 0; i < G_N_ELEMENTS (defaults); i++) {
 267                 if (g_strcmp0 (defaults[i].opt, name) == 0) {
 268                         if (value == NULL)
 269                                 return TRUE;
 270                         switch (defaults[i].opt_type) {
 271                         case TYPE_INT:
 272                                 return validate_int (name, value, &defaults[i]);
 273                         case TYPE_STR:
 274                                 return validate_list (name, value, &defaults[i]);
 275                         case TYPE_BOTH:
 276                                 return (   validate_int (name, value, &defaults[i])
 277                                         || validate_list (name, value, &defaults[i]));
 278                         case TYPE_IP:
 279                                 return validate_ip (name, value);
 280                         case TYPE_IFNAME:
 281                                 return validate_ifname (name, value);
 282                         }
 283                         return FALSE;
 284                 }
 285         }
 286         return FALSE;
 287 }
 288
 289 /**
 290  * nm_setting_bond_get_option_by_name:
 291  * @setting: the #NMSettingBond
 292  * @name: the option name for which to retrieve the value
 293  *
 294  * Returns the value associated with the bonding option specified by
 295  * @name, if it exists.
 296  *
 297  * Returns: the value, or %NULL if the key/value pair was never added to the
 298  * setting; the value is owned by the setting and must not be modified
 299  **/
 300 const char *
 301 nm_setting_bond_get_option_by_name (NMSettingBond *setting,
 302                                     const char *name)
 303 {
 304         g_return_val_if_fail (NM_IS_SETTING_BOND (setting), NULL);
 305
 306         if (!nm_setting_bond_validate_option (name, NULL))
 307                 return NULL;
 308
 309         return g_hash_table_lookup (NM_SETTING_BOND_GET_PRIVATE (setting)->options, name);
 310 }
 311
 312 /**
 313  * nm_setting_bond_add_option:
 314  * @setting: the #NMSettingBond
 315  * @name: name for the option
 316  * @value: value for the option
 317  *
 318  * Add an option to the table.  The option is compared to an internal list
 319  * of allowed options.  Option names may contain only alphanumeric characters
 320  * (ie [a-zA-Z0-9]).  Adding a new name replaces any existing name/value pair
 321  * that may already exist.
 322  *
 323  * The order of how to set several options is relevant because there are options
 324  * that conflict with each other.
 325  *
 326  * Returns: %TRUE if the option was valid and was added to the internal option
 327  * list, %FALSE if it was not.
 328  **/
 329 gboolean
 330 nm_setting_bond_add_option (NMSettingBond *setting,
 331                             const char *name,
 332                             const char *value)
 333 {
 334         NMSettingBondPrivate *priv;
 335
 336         g_return_val_if_fail (NM_IS_SETTING_BOND (setting), FALSE);
 337
 338         if (!value || !nm_setting_bond_validate_option (name, value))
 339                 return FALSE;
 340
 341         priv = NM_SETTING_BOND_GET_PRIVATE (setting);
 342
 343         g_hash_table_insert (priv->options, g_strdup (name), g_strdup (value));
 344
 345         if (   !strcmp (name, NM_SETTING_BOND_OPTION_MIIMON)
 346             && strcmp (value, "0") != 0) {
 347                 g_hash_table_remove (priv->options, NM_SETTING_BOND_OPTION_ARP_INTERVAL);
 348                 g_hash_table_remove (priv->options, NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
 349         } else if (   !strcmp (name, NM_SETTING_BOND_OPTION_ARP_INTERVAL)
 350                    && strcmp (value, "0") != 0) {
 351                 g_hash_table_remove (priv->options, NM_SETTING_BOND_OPTION_MIIMON);
 352                 g_hash_table_remove (priv->options, NM_SETTING_BOND_OPTION_DOWNDELAY);
 353                 g_hash_table_remove (priv->options, NM_SETTING_BOND_OPTION_UPDELAY);
 354         }
 355
 356         g_object_notify (G_OBJECT (setting), NM_SETTING_BOND_OPTIONS);
 357
 358         return TRUE;
 359 }
 360
 361 /**
 362  * nm_setting_bond_remove_option:
 363  * @setting: the #NMSettingBond
 364  * @name: name of the option to remove
 365  *
 366  * Remove the bonding option referenced by @name from the internal option
 367  * list.
 368  *
 369  * Returns: %TRUE if the option was found and removed from the internal option
 370  * list, %FALSE if it was not.
 371  **/
 372 gboolean
 373 nm_setting_bond_remove_option (NMSettingBond *setting,
 374                                const char *name)
 375 {
 376         gboolean found;
 377
 378         g_return_val_if_fail (NM_IS_SETTING_BOND (setting), FALSE);
 379
 380         if (!nm_setting_bond_validate_option (name, NULL))
 381                 return FALSE;
 382
 383         found = g_hash_table_remove (NM_SETTING_BOND_GET_PRIVATE (setting)->options, name);
 384         if (found)
 385                 g_object_notify (G_OBJECT (setting), NM_SETTING_BOND_OPTIONS);
 386         return found;
 387 }
 388
 389 /**
 390  * nm_setting_bond_get_valid_options:
 391  * @setting: the #NMSettingBond
 392  *
 393  * Returns a list of valid bond options.
 394  *
 395  * Returns: (transfer none): a %NULL-terminated array of strings of valid bond options.
 396  **/
 397 const char **
 398 nm_setting_bond_get_valid_options  (NMSettingBond *setting)
 399 {
 400         static const char *array[G_N_ELEMENTS (defaults) + 1] = { NULL };
 401         int i;
 402
 403         /* initialize the array once */
 404         if (G_UNLIKELY (array[0] == NULL)) {
 405                 for (i = 0; i < G_N_ELEMENTS (defaults); i++)
 406                         array[i] = defaults[i].opt;
 407                 array[i] = NULL;
 408         }
 409         return array;
 410 }
 411
 412 /**
 413  * nm_setting_bond_get_option_default:
 414  * @setting: the #NMSettingBond
 415  * @name: the name of the option
 416  *
 417  * Returns: the value of the bond option if not overridden by an entry in
 418  *   the #NMSettingBond:options property.
 419  **/
 420 const char *
 421 nm_setting_bond_get_option_default (NMSettingBond *setting, const char *name)
 422 {
 423         guint i;
 424
 425         g_return_val_if_fail (NM_IS_SETTING_BOND (setting), NULL);
 426         g_return_val_if_fail (nm_setting_bond_validate_option (name, NULL), NULL);
 427
 428         for (i = 0; i < G_N_ELEMENTS (defaults); i++) {
 429                 if (g_strcmp0 (defaults[i].opt, name) == 0)
 430                         return defaults[i].val;
 431         }
 432         /* Any option that passes nm_setting_bond_validate_option() should also be found in defaults */
 433         g_assert_not_reached ();
 434 }
 435
 436 static gboolean
 437 verify (NMSetting *setting, NMConnection *connection, GError **error)
 438 {
 439         NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (setting);
 440         GHashTableIter iter;
 441         const char *key, *value;
 442         int mode, miimon = 0, arp_interval = 0;
 443         const char *mode_orig, *mode_new;
 444         const char *arp_ip_target = NULL;
 445         const char *lacp_rate;
 446         const char *primary;
 447
 448         g_hash_table_iter_init (&iter, priv->options);
 449         while (g_hash_table_iter_next (&iter, (gpointer) &key, (gpointer) &value)) {
 450                 if (!value[0] || !nm_setting_bond_validate_option (key, value)) {
 451                         g_set_error (error,
 452                                      NM_CONNECTION_ERROR,
 453                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 454                                      _("invalid option '%s' or its value '%s'"),
 455                                      key, value);
 456                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 457                         return FALSE;
 458                 }
 459         }
 460
 461         value = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_MIIMON);
 462         if (value)
 463                 miimon = atoi (value);
 464         value = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_ARP_INTERVAL);
 465         if (value)
 466                 arp_interval = atoi (value);
 467
 468         /* Can only set one of miimon and arp_interval */
 469         if (miimon > 0 && arp_interval > 0) {
 470                 g_set_error (error,
 471                              NM_CONNECTION_ERROR,
 472                              NM_CONNECTION_ERROR_INVALID_PROPERTY,
 473                              _("only one of '%s' and '%s' can be set"),
 474                              NM_SETTING_BOND_OPTION_MIIMON,
 475                              NM_SETTING_BOND_OPTION_ARP_INTERVAL);
 476                 g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 477                 return FALSE;
 478         }
 479
 480         /* Verify bond mode */
 481         mode_orig = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_MODE);
 482         if (!mode_orig) {
 483                 g_set_error (error,
 484                              NM_CONNECTION_ERROR,
 485                              NM_CONNECTION_ERROR_INVALID_PROPERTY,
 486                              _("mandatory option '%s' is missing"),
 487                              NM_SETTING_BOND_OPTION_MODE);
 488                 g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 489                 return FALSE;
 490         }
 491         mode = nm_utils_bond_mode_string_to_int (mode_orig);
 492         if (mode == -1) {
 493                 g_set_error (error,
 494                              NM_CONNECTION_ERROR,
 495                              NM_CONNECTION_ERROR_INVALID_PROPERTY,
 496                              _("'%s' is not a valid value for '%s'"),
 497                              value, NM_SETTING_BOND_OPTION_MODE);
 498                 g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 499                 return FALSE;
 500         }
 501         mode_new = nm_utils_bond_mode_int_to_string (mode);
 502
 503         /* Make sure mode is compatible with other settings */
 504         if (   strcmp (mode_new, "balance-alb") == 0
 505             || strcmp (mode_new, "balance-tlb") == 0) {
 506                 if (arp_interval > 0) {
 507                         g_set_error (error,
 508                                      NM_CONNECTION_ERROR,
 509                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 510                                      _("'%s=%s' is incompatible with '%s > 0'"),
 511                                      NM_SETTING_BOND_OPTION_MODE, mode_new, NM_SETTING_BOND_OPTION_ARP_INTERVAL);
 512                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 513                         return FALSE;
 514                 }
 515         }
 516
 517         primary = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_PRIMARY);
 518         if (strcmp (mode_new, "active-backup") == 0) {
 519                 if (primary && !nm_utils_iface_valid_name (primary)) {
 520                         g_set_error (error,
 521                                      NM_CONNECTION_ERROR,
 522                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 523                                      _("'%s' is not a valid interface name for '%s' option"),
 524                                      primary, NM_SETTING_BOND_OPTION_PRIMARY);
 525                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 526                         return FALSE;
 527                 }
 528         } else {
 529                 if (primary) {
 530                         g_set_error (error,
 531                                      NM_CONNECTION_ERROR,
 532                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 533                                      _("'%s' option is only valid for '%s=%s'"),
 534                                      NM_SETTING_BOND_OPTION_PRIMARY,
 535                                      NM_SETTING_BOND_OPTION_MODE, "active-backup");
 536                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 537                         return FALSE;
 538                 }
 539         }
 540
 541         if (nm_connection_get_setting_infiniband (connection)) {
 542                 if (strcmp (mode_new, "active-backup") != 0) {
 543                         g_set_error (error,
 544                                      NM_CONNECTION_ERROR,
 545                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 546                                      _("'%s=%s' is not a valid configuration for '%s'"),
 547                                      NM_SETTING_BOND_OPTION_MODE, mode_new, NM_SETTING_INFINIBAND_SETTING_NAME);
 548                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 549                         return FALSE;
 550                 }
 551         }
 552
 553         if (miimon == 0) {
 554                 /* updelay and downdelay can only be used with miimon */
 555                 if (g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_UPDELAY)) {
 556                         g_set_error (error,
 557                                      NM_CONNECTION_ERROR,
 558                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 559                                      _("'%s' option requires '%s' option to be set"),
 560                                      NM_SETTING_BOND_OPTION_UPDELAY, NM_SETTING_BOND_OPTION_MIIMON);
 561                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 562                         return FALSE;
 563                 }
 564                 if (g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_DOWNDELAY)) {
 565                         g_set_error (error,
 566                                      NM_CONNECTION_ERROR,
 567                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 568                                      _("'%s' option requires '%s' option to be set"),
 569                                      NM_SETTING_BOND_OPTION_DOWNDELAY, NM_SETTING_BOND_OPTION_MIIMON);
 570                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 571                         return FALSE;
 572                 }
 573         }
 574
 575         /* arp_ip_target can only be used with arp_interval, and must
 576          * contain a comma-separated list of IPv4 addresses.
 577          */
 578         arp_ip_target = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
 579         if (arp_interval > 0) {
 580                 char **addrs;
 581                 guint32 addr;
 582                 int i;
 583
 584                 if (!arp_ip_target) {
 585                         g_set_error (error,
 586                                      NM_CONNECTION_ERROR,
 587                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 588                                      _("'%s' option requires '%s' option to be set"),
 589                                      NM_SETTING_BOND_OPTION_ARP_INTERVAL, NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
 590                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 591                         return FALSE;
 592                 }
 593
 594                 addrs = g_strsplit (arp_ip_target, ",", -1);
 595                 if (!addrs[0]) {
 596                         g_set_error (error,
 597                                      NM_CONNECTION_ERROR,
 598                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 599                                      _("'%s' option is empty"),
 600                                      NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
 601                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 602                         g_strfreev (addrs);
 603                         return FALSE;
 604                 }
 605
 606                 for (i = 0; addrs[i]; i++) {
 607                         if (!inet_pton (AF_INET, addrs[i], &addr)) {
 608                                 g_set_error (error,
 609                                              NM_CONNECTION_ERROR,
 610                                              NM_CONNECTION_ERROR_INVALID_PROPERTY,
 611                                              _("'%s' is not a valid IPv4 address for '%s' option"),
 612                                              NM_SETTING_BOND_OPTION_ARP_IP_TARGET, addrs[i]);
 613                                 g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 614                                 g_strfreev (addrs);
 615                                 return FALSE;
 616                         }
 617                 }
 618                 g_strfreev (addrs);
 619         } else {
 620                 if (arp_ip_target) {
 621                         g_set_error (error,
 622                                      NM_CONNECTION_ERROR,
 623                                      NM_CONNECTION_ERROR_INVALID_PROPERTY,
 624                                      _("'%s' option requires '%s' option to be set"),
 625                                      NM_SETTING_BOND_OPTION_ARP_IP_TARGET, NM_SETTING_BOND_OPTION_ARP_INTERVAL);
 626                         g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 627                         return FALSE;
 628                 }
 629         }
 630
 631         lacp_rate = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_LACP_RATE);
 632         if (   lacp_rate
 633             && g_strcmp0 (mode_new, "802.3ad")
 634             && strcmp (lacp_rate, "slow") != 0
 635             && strcmp (lacp_rate, "0") != 0) {
 636                 g_set_error (error,
 637                              NM_CONNECTION_ERROR,
 638                              NM_CONNECTION_ERROR_INVALID_PROPERTY,
 639                              _("'%s' option is only valid with mode '%s'"),
 640                              NM_SETTING_BOND_OPTION_LACP_RATE, "802.3ad");
 641                 g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 642                 return FALSE;
 643         }
 644
 645         if (!_nm_connection_verify_required_interface_name (connection, error))
 646                 return FALSE;
 647
 648         /* *** errors above here should be always fatal, below NORMALIZABLE_ERROR *** */
 649
 650         if (g_strcmp0 (mode_orig, mode_new) != 0) {
 651                 g_set_error (error,
 652                              NM_CONNECTION_ERROR,
 653                              NM_CONNECTION_ERROR_INVALID_PROPERTY,
 654                              _("'%s' option should be string"),
 655                              NM_SETTING_BOND_OPTION_MODE);
 656                 g_prefix_error (error, "%s.%s: ", NM_SETTING_BOND_SETTING_NAME, NM_SETTING_BOND_OPTIONS);
 657                 return NM_SETTING_VERIFY_NORMALIZABLE;
 658         }
 659
 660         return TRUE;
 661 }
 662
 663 static void
 664 nm_setting_bond_init (NMSettingBond *setting)
 665 {
 666         NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (setting);
 667
 668         priv->options = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
 669
 670         /* Default values: */
 671         nm_setting_bond_add_option (setting, NM_SETTING_BOND_OPTION_MODE, "balance-rr");
 672 }
 673
 674 static void
 675 finalize (GObject *object)
 676 {
 677         NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (object);
 678
 679         g_hash_table_destroy (priv->options);
 680
 681         G_OBJECT_CLASS (nm_setting_bond_parent_class)->finalize (object);
 682 }
 683
 684 static void
 685 set_property (GObject *object, guint prop_id,
 686               const GValue *value, GParamSpec *pspec)
 687 {
 688         NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (object);
 689
 690         switch (prop_id) {
 691         case PROP_OPTIONS:
 692                 g_hash_table_unref (priv->options);
 693                 priv->options = _nm_utils_copy_strdict (g_value_get_boxed (value));
 694                 break;
 695         default:
 696                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 697                 break;
 698         }
 699 }
 700
 701 static void
 702 get_property (GObject *object, guint prop_id,
 703               GValue *value, GParamSpec *pspec)
 704 {
 705         NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (object);
 706
 707         switch (prop_id) {
 708         case PROP_OPTIONS:
 709                 g_value_take_boxed (value, _nm_utils_copy_strdict (priv->options));
 710                 break;
 711         default:
 712                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 713                 break;
 714         }
 715 }
 716
 717 static void
 718 nm_setting_bond_class_init (NMSettingBondClass *setting_class)
 719 {
 720         GObjectClass *object_class = G_OBJECT_CLASS (setting_class);
 721         NMSettingClass *parent_class = NM_SETTING_CLASS (setting_class);
 722
 723         g_type_class_add_private (setting_class, sizeof (NMSettingBondPrivate));
 724
 725         /* virtual methods */
 726         object_class->set_property = set_property;
 727         object_class->get_property = get_property;
 728         object_class->finalize     = finalize;
 729         parent_class->verify       = verify;
 730
 731         /* Properties */
 732         /**
 733          * NMSettingBond:options:
 734          *
 735          * Dictionary of key/value pairs of bonding options.  Both keys and values
 736          * must be strings. Option names must contain only alphanumeric characters
 737          * (ie, [a-zA-Z0-9]).
 738          *
 739          * Type: GHashTable(utf8,utf8)
 740          **/
 741         /* ---ifcfg-rh---
 742          * property: options
 743          * variable: BONDING_OPTS
 744          * description: Bonding options.
 745          * example: BONDING_OPTS="miimon=100 mode=broadcast"
 746          * ---end---
 747          */
 748          g_object_class_install_property
 749                  (object_class, PROP_OPTIONS,
 750                  g_param_spec_boxed (NM_SETTING_BOND_OPTIONS, "", "",
 751                                      G_TYPE_HASH_TABLE,
 752                                      G_PARAM_READWRITE |
 753                                      NM_SETTING_PARAM_INFERRABLE |
 754                                      G_PARAM_STATIC_STRINGS));
 755          _nm_setting_class_transform_property (parent_class, NM_SETTING_BOND_OPTIONS,
 756                                                G_VARIANT_TYPE ("a{ss}"),
 757                                                _nm_utils_strdict_to_dbus,
 758                                                _nm_utils_strdict_from_dbus);
 759
 760          /* ---dbus---
 761           * property: interface-name
 762           * format: string
 763           * description: Deprecated in favor of connection.interface-name, but can
 764           *   be used for backward-compatibility with older daemons, to set the
 765           *   bond's interface name.
 766           * ---end---
 767           */
 768          _nm_setting_class_add_dbus_only_property (parent_class, "interface-name",
 769                                                    G_VARIANT_TYPE_STRING,
 770                                                    _nm_setting_get_deprecated_virtual_interface_name,
 771                                                    NULL);
 772 }