2 * uci.c: UCI binding for the switch configuration utility
4 * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundatio.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
23 #include <sys/types.h>
24 #include <sys/socket.h>
27 #include <linux/types.h>
28 #include <linux/netlink.h>
29 #include <linux/genetlink.h>
30 #include <netlink/netlink.h>
31 #include <netlink/genl/genl.h>
32 #include <netlink/genl/ctrl.h>
33 #include <linux/switch.h>
37 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
40 struct swlib_setting {
41 struct switch_attr *attr;
45 struct swlib_setting *next;
48 struct swlib_setting early_settings[] = {
50 { .name = "enable_vlan" },
53 static struct swlib_setting *settings;
54 static struct swlib_setting **head;
57 swlib_map_settings(struct switch_dev *dev, int type, int port_vlan, struct uci_section *s)
59 struct swlib_setting *setting;
60 struct switch_attr *attr;
61 struct uci_element *e;
65 uci_foreach_element(&s->options, e) {
68 if (o->type != UCI_TYPE_STRING)
71 if (!strcmp(e->name, "device"))
74 /* map early settings */
75 if (type == SWLIB_ATTR_GROUP_GLOBAL) {
78 for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
79 if (strcmp(e->name, early_settings[i].name) != 0)
82 early_settings[i].val = o->v.string;
87 attr = swlib_lookup_attr(dev, type, e->name);
91 setting = malloc(sizeof(struct swlib_setting));
92 memset(setting, 0, sizeof(struct swlib_setting));
94 setting->port_vlan = port_vlan;
95 setting->val = o->v.string;
97 head = &setting->next;
103 int swlib_apply_from_uci(struct switch_dev *dev, struct uci_package *p)
105 struct switch_attr *attr;
106 struct uci_context *ctx = p->ctx;
107 struct uci_element *e;
108 struct uci_section *s;
109 struct uci_option *o;
111 struct switch_val val;
117 uci_foreach_element(&p->sections, e) {
118 struct uci_element *n;
120 s = uci_to_section(e);
122 if (strcmp(s->type, "switch") != 0)
125 uci_foreach_element(&s->options, n) {
126 struct uci_option *o = uci_to_option(n);
128 if (strcmp(n->name, "name") != 0)
131 if (o->type != UCI_TYPE_STRING)
134 if (!strcmp(o->v.string, dev->dev_name))
140 if (strcmp(e->name, dev->dev_name) != 0)
150 /* look up available early options, which need to be taken care
151 * of in the correct order */
152 for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
153 early_settings[i].attr = swlib_lookup_attr(dev,
154 SWLIB_ATTR_GROUP_GLOBAL, early_settings[i].name);
156 swlib_map_settings(dev, SWLIB_ATTR_GROUP_GLOBAL, 0, s);
158 /* look for port or vlan sections */
159 uci_foreach_element(&p->sections, e) {
160 struct uci_element *os;
161 s = uci_to_section(e);
163 if (!strcmp(s->type, "switch_port")) {
164 char *devn, *port, *port_err = NULL;
167 uci_foreach_element(&s->options, os) {
168 o = uci_to_option(os);
169 if (o->type != UCI_TYPE_STRING)
172 if (!strcmp(os->name, "device")) {
174 if (strcmp(devn, dev->dev_name) != 0)
176 } else if (!strcmp(os->name, "port")) {
180 if (!dev || !port || !port[0])
183 port_n = strtoul(port, &port_err, 0);
184 if (port_err && port_err[0])
187 swlib_map_settings(dev, SWLIB_ATTR_GROUP_PORT, port_n, s);
188 } else if (!strcmp(s->type, "switch_vlan")) {
189 char *devn, *vlan, *vlan_err = NULL;
192 uci_foreach_element(&s->options, os) {
193 o = uci_to_option(os);
194 if (o->type != UCI_TYPE_STRING)
197 if (!strcmp(os->name, "device")) {
199 if (strcmp(devn, dev->dev_name) != 0)
201 } else if (!strcmp(os->name, "vlan")) {
205 if (!dev || !vlan || !vlan[0])
208 vlan_n = strtoul(vlan, &vlan_err, 0);
209 if (vlan_err && vlan_err[0])
212 swlib_map_settings(dev, SWLIB_ATTR_GROUP_VLAN, vlan_n, s);
216 for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
217 struct swlib_setting *st = &early_settings[i];
218 if (!st->attr || !st->val)
220 swlib_set_attr_string(dev, st->attr, st->port_vlan, st->val);
225 struct swlib_setting *st = settings;
227 swlib_set_attr_string(dev, st->attr, st->port_vlan, st->val);
233 /* Apply the config */
234 attr = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_GLOBAL, "apply");
238 memset(&val, 0, sizeof(val));
239 swlib_set_attr(dev, attr, &val);