swconfig: implement uci loading support
SVN-Revision: 15315v19.07.3_mercusys_ac12_duma
Felix Fietkau
15 years ago
parent
70bf92d03c
commit
2fe29deb90
@ -0,0 +1,224 @@
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/*
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* uci.c: UCI binding for the switch configuration utility
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*
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* Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundatio.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <stdint.h>
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#include <getopt.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <uci.h>
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#include <linux/types.h>
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#include <linux/netlink.h>
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#include <linux/genetlink.h>
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#include <netlink/netlink.h>
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#include <netlink/genl/genl.h>
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#include <netlink/genl/ctrl.h>
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#include <linux/switch.h>
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#include "swlib.h"
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
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#endif
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struct swlib_setting {
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struct switch_attr *attr;
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const char *name;
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int port_vlan;
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const char *val;
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struct swlib_setting *next;
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};
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struct swlib_setting early_settings[] = {
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{ .name = "reset" },
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{ .name = "enable_vlan" },
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};
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static struct swlib_setting *settings;
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static struct swlib_setting **head;
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static int
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swlib_map_settings(struct switch_dev *dev, int type, int port_vlan, struct uci_section *s)
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{
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struct swlib_setting *setting;
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struct switch_attr *attr;
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struct uci_element *e;
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struct uci_option *o;
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int i;
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uci_foreach_element(&s->options, e) {
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o = uci_to_option(e);
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if (o->type != UCI_TYPE_STRING)
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continue;
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if (!strcmp(e->name, "device"))
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continue;
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/* map early settings */
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if (type == SWLIB_ATTR_GROUP_GLOBAL) {
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int i;
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for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
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if (strcmp(e->name, early_settings[i].name) != 0)
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continue;
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early_settings[i].val = o->v.string;
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goto skip;
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}
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}
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attr = swlib_lookup_attr(dev, type, e->name);
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if (!attr)
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continue;
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setting = malloc(sizeof(struct swlib_setting));
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memset(setting, 0, sizeof(struct swlib_setting));
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setting->attr = attr;
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setting->port_vlan = port_vlan;
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setting->val = o->v.string;
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*head = setting;
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head = &setting->next;
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skip:
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continue;
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}
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}
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int swlib_apply_from_uci(struct switch_dev *dev, struct uci_package *p)
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{
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struct switch_attr *attr;
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struct uci_context *ctx = p->ctx;
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struct uci_element *e;
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struct uci_section *s;
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struct uci_option *o;
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struct switch_val val;
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int i;
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settings = NULL;
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head = &settings;
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uci_foreach_element(&p->sections, e) {
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s = uci_to_section(e);
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if (strcmp(s->type, "switch") != 0)
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continue;
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if (strcmp(e->name, dev->dev_name) != 0)
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continue;
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goto found;
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}
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/* not found */
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return -1;
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found:
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/* look up available early options, which need to be taken care
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* of in the correct order */
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for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
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early_settings[i].attr = swlib_lookup_attr(dev,
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SWLIB_ATTR_GROUP_GLOBAL, early_settings[i].name);
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}
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swlib_map_settings(dev, SWLIB_ATTR_GROUP_GLOBAL, 0, s);
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/* look for port or vlan sections */
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uci_foreach_element(&p->sections, e) {
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struct uci_element *os;
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s = uci_to_section(e);
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if (!strcmp(s->type, "switch_port")) {
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char *devn, *port, *port_err = NULL;
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int port_n;
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uci_foreach_element(&s->options, os) {
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o = uci_to_option(os);
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if (o->type != UCI_TYPE_STRING)
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continue;
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if (!strcmp(os->name, "device")) {
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devn = o->v.string;
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if (strcmp(devn, dev->dev_name) != 0)
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devn = NULL;
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} else if (!strcmp(os->name, "port")) {
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port = o->v.string;
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}
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}
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if (!dev || !port || !port[0])
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continue;
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port_n = strtoul(port, &port_err, 0);
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if (port_err && port_err[0])
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continue;
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swlib_map_settings(dev, SWLIB_ATTR_GROUP_PORT, port_n, s);
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} else if (!strcmp(s->type, "switch_vlan")) {
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char *devn, *vlan, *vlan_err = NULL;
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int vlan_n;
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uci_foreach_element(&s->options, os) {
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o = uci_to_option(os);
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if (o->type != UCI_TYPE_STRING)
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continue;
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if (!strcmp(os->name, "device")) {
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devn = o->v.string;
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if (strcmp(devn, dev->dev_name) != 0)
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devn = NULL;
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} else if (!strcmp(os->name, "vlan")) {
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vlan = o->v.string;
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}
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}
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if (!dev || !vlan || !vlan[0])
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continue;
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vlan_n = strtoul(vlan, &vlan_err, 0);
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if (vlan_err && vlan_err[0])
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continue;
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swlib_map_settings(dev, SWLIB_ATTR_GROUP_VLAN, vlan_n, s);
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}
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}
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for (i = 0; i < ARRAY_SIZE(early_settings); i++) {
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struct swlib_setting *st = &early_settings[i];
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if (!st->attr || !st->val)
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continue;
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swlib_set_attr_string(dev, st->attr, st->port_vlan, st->val);
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}
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while (settings) {
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struct swlib_setting *st = settings;
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swlib_set_attr_string(dev, st->attr, st->port_vlan, st->val);
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st = st->next;
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free(settings);
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settings = st;
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}
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/* Apply the config */
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attr = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_GLOBAL, "apply");
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if (!attr)
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return 0;
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memset(&val, 0, sizeof(val));
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swlib_set_attr(dev, attr, &val);
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return 0;
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}
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