bridge/netfilter/ebtables.c

51 	/* called when table is needed in the given netns */
195 	struct ebt_table *table = priv;
211 	read_lock_bh(&table->lock);
212 	private = table->private;
233 			read_unlock_bh(&table->lock);
254 			read_unlock_bh(&table->lock);
258 			read_unlock_bh(&table->lock);
282 			read_unlock_bh(&table->lock);
294 			read_unlock_bh(&table->lock);
312 		read_unlock_bh(&table->lock);
315 	read_unlock_bh(&table->lock);
326 	struct ebt_table *table;
329 	list_for_each_entry(table, &ebt_net->tables, list) {
330 		if (strcmp(table->name, name) == 0)
331 			return table;
355 	list_for_each_entry(table, &ebt_net->tables, list) {
356 		if (strcmp(table->name, name) == 0)
357 			return table;
735 	mtpar.table     = tgpar.table     = name;
866 /* do the parsing of the table/chains/entries/matches/watchers/targets, heh */
1014 	struct ebt_table_info *table;
1054 	table = t->private;
1055 	/* make sure the table can only be rmmod'ed if it contains no rules */
1056 	if (!table->nentries && newinfo->nentries && !try_module_get(t->me)) {
1059 	} else if (table->nentries && !newinfo->nentries)
1078 		/* Silent error, can't fail, new table is already in place */
1079 		net_warn_ratelimited("ebtables: counters copy to user failed while replacing table\n");
1083 	EBT_ENTRY_ITERATE(table->entries, table->entries_size,
1086 	vfree(table->entries);
1087 	ebt_free_table_info(table);
1088 	vfree(table);
1107 /* replace the table */
1163 static void __ebt_unregister_table(struct net *net, struct ebt_table *table)
1166 	list_del(&table->list);
1168 	audit_log_nfcfg(table->name, AF_BRIDGE, table->private->nentries,
1170 	EBT_ENTRY_ITERATE(table->private->entries, table->private->entries_size,
1172 	if (table->private->nentries)
1173 		module_put(table->me);
1174 	vfree(table->private->entries);
1175 	ebt_free_table_info(table->private);
1176 	vfree(table->private);
1177 	kfree(table->ops);
1178 	kfree(table);
1186 	struct ebt_table *t, *table;
1193 	if (input_table == NULL || (repl = input_table->table) == NULL ||
1198 	/* Don't add one table to multiple lists. */
1199 	table = kmemdup(input_table, sizeof(struct ebt_table), GFP_KERNEL);
1200 	if (!table) {
1237 	table->private = newinfo;
1238 	rwlock_init(&table->lock);
1241 		if (strcmp(t->name, table->name) == 0) {
1248 	if (newinfo->nentries && !try_module_get(table->me)) {
1253 	num_ops = hweight32(table->valid_hooks);
1263 			module_put(table->me);
1268 		ops[i].priv = table;
1270 	list_add(&table->list, &ebt_net->tables);
1273 	table->ops = ops;
1276 		__ebt_unregister_table(net, table);
1289 	kfree(table);
1362 	struct ebt_table *table = __ebt_find_table(net, name);
1364 	if (table)
1365 		nf_unregister_net_hooks(net, table->ops, hweight32(table->valid_hooks));
1371 	struct ebt_table *table = __ebt_find_table(net, name);
1373 	if (table)
1374 		__ebt_unregister_table(net, table);
1560 		entries_size = t->table->entries_size;
1561 		nentries = t->table->nentries;
1562 		entries = t->table->entries;
1563 		oldcounters = t->table->counters;
1868 		tinfo.entries_size = t->table->entries_size;
1869 		tinfo.nentries = t->table->nentries;
1870 		tinfo.entries = t->table->entries;
1871 		oldcounters = t->table->counters;
2409 		tmp.nentries = t->table->nentries;
2410 		tmp.entries_size = t->table->entries_size;
2411 		tmp.valid_hooks = t->table->valid_hooks;
2485 			tmp.nentries = t->table->nentries;
2486 			tmp.entries_size = t->table->entries_size;
2487 			tmp.valid_hooks = t->table->valid_hooks;