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@@ -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 <[email protected]>
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+static struct swlib_setting *settings;
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+static struct swlib_setting **head;
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+
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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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+
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+ uci_foreach_element(&s->options, e) {
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+ o = uci_to_option(e);
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+
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+ if (o->type != UCI_TYPE_STRING)
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+ continue;
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+
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+ if (!strcmp(e->name, "device"))
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+ continue;
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+ settings = NULL;
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+ head = &settings;
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+
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+ uci_foreach_element(&p->sections, e) {
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+ s = uci_to_section(e);
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+
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+ if (strcmp(s->type, "switch") != 0)
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+ continue;
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+
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+ if (strcmp(e->name, dev->dev_name) != 0)
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+ continue;
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+
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+ goto found;
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+ }
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+
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+ /* not found */
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+ return -1;
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+ }
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+
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+ while (settings) {
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+ struct swlib_setting *st = settings;
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+
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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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+
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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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+
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+ memset(&val, 0, sizeof(val));
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+ swlib_set_attr(dev, attr, &val);
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+
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+ return 0;
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+}
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Felix Fietkau