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[] = {
49 { .name = "reset", .val = "1" },
50 { .name = "enable_vlan", .val = "1" },
53 static struct swlib_setting *settings;
54 static struct swlib_setting **head;
56 static bool swlib_match_name(struct switch_dev *dev, const char *name)
58 return (strcmp(name, dev->dev_name) == 0 ||
59 strcmp(name, dev->alias) == 0);
63 swlib_map_settings(struct switch_dev *dev, int type, int port_vlan, struct uci_section *s)
65 struct swlib_setting *setting;
66 struct switch_attr *attr;
67 struct uci_element *e;
71 uci_foreach_element(&s->options, e) {
74 if (o->type != UCI_TYPE_STRING)
77 if (!strcmp(e->name, "device"))
80 /* map early settings */
81 if (type == SWLIB_ATTR_GROUP_GLOBAL) {
84 for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
85 if (strcmp(e->name, early_settings[i].name) != 0)
88 early_settings[i].val = o->v.string;
93 attr = swlib_lookup_attr(dev, type, e->name);
97 setting = malloc(sizeof(struct swlib_setting));
98 memset(setting, 0, sizeof(struct swlib_setting));
100 setting->port_vlan = port_vlan;
101 setting->val = o->v.string;
103 head = &setting->next;
109 int swlib_apply_from_uci(struct switch_dev *dev, struct uci_package *p)
111 struct switch_attr *attr;
112 struct uci_context *ctx = p->ctx;
113 struct uci_element *e;
114 struct uci_section *s;
115 struct uci_option *o;
117 struct switch_val val;
123 uci_foreach_element(&p->sections, e) {
124 struct uci_element *n;
126 s = uci_to_section(e);
128 if (strcmp(s->type, "switch") != 0)
131 uci_foreach_element(&s->options, n) {
132 struct uci_option *o = uci_to_option(n);
134 if (strcmp(n->name, "name") != 0)
137 if (o->type != UCI_TYPE_STRING)
140 if (swlib_match_name(dev, o->v.string))
146 if (!swlib_match_name(dev, e->name))
156 /* look up available early options, which need to be taken care
157 * of in the correct order */
158 for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
159 early_settings[i].attr = swlib_lookup_attr(dev,
160 SWLIB_ATTR_GROUP_GLOBAL, early_settings[i].name);
162 swlib_map_settings(dev, SWLIB_ATTR_GROUP_GLOBAL, 0, s);
164 /* look for port or vlan sections */
165 uci_foreach_element(&p->sections, e) {
166 struct uci_element *os;
167 s = uci_to_section(e);
169 if (!strcmp(s->type, "switch_port")) {
170 char *devn, *port, *port_err = NULL;
173 uci_foreach_element(&s->options, os) {
174 o = uci_to_option(os);
175 if (o->type != UCI_TYPE_STRING)
178 if (!strcmp(os->name, "device")) {
180 if (!swlib_match_name(dev, devn))
182 } else if (!strcmp(os->name, "port")) {
186 if (!dev || !port || !port[0])
189 port_n = strtoul(port, &port_err, 0);
190 if (port_err && port_err[0])
193 swlib_map_settings(dev, SWLIB_ATTR_GROUP_PORT, port_n, s);
194 } else if (!strcmp(s->type, "switch_vlan")) {
195 char *devn, *vlan, *vlan_err = NULL;
198 uci_foreach_element(&s->options, os) {
199 o = uci_to_option(os);
200 if (o->type != UCI_TYPE_STRING)
203 if (!strcmp(os->name, "device")) {
205 if (!swlib_match_name(dev, devn))
207 } else if (!strcmp(os->name, "vlan")) {
211 if (!dev || !vlan || !vlan[0])
214 vlan_n = strtoul(vlan, &vlan_err, 0);
215 if (vlan_err && vlan_err[0])
218 swlib_map_settings(dev, SWLIB_ATTR_GROUP_VLAN, vlan_n, s);
222 for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
223 struct swlib_setting *st = &early_settings[i];
224 if (!st->attr || !st->val)
226 swlib_set_attr_string(dev, st->attr, st->port_vlan, st->val);
231 struct swlib_setting *st = settings;
233 swlib_set_attr_string(dev, st->attr, st->port_vlan, st->val);
239 /* Apply the config */
240 attr = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_GLOBAL, "apply");
244 memset(&val, 0, sizeof(val));
245 swlib_set_attr(dev, attr, &val);