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authorFelix Fietkau <nbd@openwrt.org>2009-04-21 01:35:30 +0000
committerFelix Fietkau <nbd@openwrt.org>2009-04-21 01:35:30 +0000
commit1a7b537ebbad637e5a8b75aa7b3b7207fe26fb92 (patch)
treecd0e54c4973624321c9d584a9d64885df936b58a /package/swconfig/src/uci.c
parent3c7b1324a5f77c0bede093dc9c8b5de9c270dc58 (diff)
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swconfig: implement uci loading support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15315 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/swconfig/src/uci.c')
-rw-r--r--package/swconfig/src/uci.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/package/swconfig/src/uci.c b/package/swconfig/src/uci.c
new file mode 100644
index 0000000000..2df837d278
--- /dev/null
+++ b/package/swconfig/src/uci.c
@@ -0,0 +1,224 @@
+/*
+ * uci.c: UCI binding for the switch configuration utility
+ *
+ * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundatio.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <stdint.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <uci.h>
+
+#include <linux/types.h>
+#include <linux/netlink.h>
+#include <linux/genetlink.h>
+#include <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/ctrl.h>
+#include <linux/switch.h>
+#include "swlib.h"
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+#endif
+
+struct swlib_setting {
+ struct switch_attr *attr;
+ const char *name;
+ int port_vlan;
+ const char *val;
+ struct swlib_setting *next;
+};
+
+struct swlib_setting early_settings[] = {
+ { .name = "reset" },
+ { .name = "enable_vlan" },
+};
+
+static struct swlib_setting *settings;
+static struct swlib_setting **head;
+
+static int
+swlib_map_settings(struct switch_dev *dev, int type, int port_vlan, struct uci_section *s)
+{
+ struct swlib_setting *setting;
+ struct switch_attr *attr;
+ struct uci_element *e;
+ struct uci_option *o;
+ int i;
+
+ uci_foreach_element(&s->options, e) {
+ o = uci_to_option(e);
+
+ if (o->type != UCI_TYPE_STRING)
+ continue;
+
+ if (!strcmp(e->name, "device"))
+ continue;
+
+ /* map early settings */
+ if (type == SWLIB_ATTR_GROUP_GLOBAL) {
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
+ if (strcmp(e->name, early_settings[i].name) != 0)
+ continue;
+
+ early_settings[i].val = o->v.string;
+ goto skip;
+ }
+ }
+
+ attr = swlib_lookup_attr(dev, type, e->name);
+ if (!attr)
+ continue;
+
+ setting = malloc(sizeof(struct swlib_setting));
+ memset(setting, 0, sizeof(struct swlib_setting));
+ setting->attr = attr;
+ setting->port_vlan = port_vlan;
+ setting->val = o->v.string;
+ *head = setting;
+ head = &setting->next;
+skip:
+ continue;
+ }
+}
+
+int swlib_apply_from_uci(struct switch_dev *dev, struct uci_package *p)
+{
+ struct switch_attr *attr;
+ struct uci_context *ctx = p->ctx;
+ struct uci_element *e;
+ struct uci_section *s;
+ struct uci_option *o;
+ struct switch_val val;
+ int i;
+
+ settings = NULL;
+ head = &settings;
+
+ uci_foreach_element(&p->sections, e) {
+ s = uci_to_section(e);
+
+ if (strcmp(s->type, "switch") != 0)
+ continue;
+
+ if (strcmp(e->name, dev->dev_name) != 0)
+ continue;
+
+ goto found;
+ }
+
+ /* not found */
+ return -1;
+
+found:
+ /* look up available early options, which need to be taken care
+ * of in the correct order */
+ for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
+ early_settings[i].attr = swlib_lookup_attr(dev,
+ SWLIB_ATTR_GROUP_GLOBAL, early_settings[i].name);
+ }
+ swlib_map_settings(dev, SWLIB_ATTR_GROUP_GLOBAL, 0, s);
+
+ /* look for port or vlan sections */
+ uci_foreach_element(&p->sections, e) {
+ struct uci_element *os;
+ s = uci_to_section(e);
+
+ if (!strcmp(s->type, "switch_port")) {
+ char *devn, *port, *port_err = NULL;
+ int port_n;
+
+ uci_foreach_element(&s->options, os) {
+ o = uci_to_option(os);
+ if (o->type != UCI_TYPE_STRING)
+ continue;
+
+ if (!strcmp(os->name, "device")) {
+ devn = o->v.string;
+ if (strcmp(devn, dev->dev_name) != 0)
+ devn = NULL;
+ } else if (!strcmp(os->name, "port")) {
+ port = o->v.string;
+ }
+ }
+ if (!dev || !port || !port[0])
+ continue;
+
+ port_n = strtoul(port, &port_err, 0);
+ if (port_err && port_err[0])
+ continue;
+
+ swlib_map_settings(dev, SWLIB_ATTR_GROUP_PORT, port_n, s);
+ } else if (!strcmp(s->type, "switch_vlan")) {
+ char *devn, *vlan, *vlan_err = NULL;
+ int vlan_n;
+
+ uci_foreach_element(&s->options, os) {
+ o = uci_to_option(os);
+ if (o->type != UCI_TYPE_STRING)
+ continue;
+
+ if (!strcmp(os->name, "device")) {
+ devn = o->v.string;
+ if (strcmp(devn, dev->dev_name) != 0)
+ devn = NULL;
+ } else if (!strcmp(os->name, "vlan")) {
+ vlan = o->v.string;
+ }
+ }
+ if (!dev || !vlan || !vlan[0])
+ continue;
+
+ vlan_n = strtoul(vlan, &vlan_err, 0);
+ if (vlan_err && vlan_err[0])
+ continue;
+
+ swlib_map_settings(dev, SWLIB_ATTR_GROUP_VLAN, vlan_n, s);
+ }
+ }
+
+ for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
+ struct swlib_setting *st = &early_settings[i];
+ if (!st->attr || !st->val)
+ continue;
+ swlib_set_attr_string(dev, st->attr, st->port_vlan, st->val);
+
+ }
+
+ while (settings) {
+ struct swlib_setting *st = settings;
+
+ swlib_set_attr_string(dev, st->attr, st->port_vlan, st->val);
+ st = st->next;
+ free(settings);
+ settings = st;
+ }
+
+ /* Apply the config */
+ attr = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_GLOBAL, "apply");
+ if (!attr)
+ return 0;
+
+ memset(&val, 0, sizeof(val));
+ swlib_set_attr(dev, attr, &val);
+
+ return 0;
+}