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netifd: add dynamic interface patch

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Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin
2023-09-16 07:40:14 +02:00
parent 1d9b69ee6f
commit 7e4e221ccb
1 changed files with 285 additions and 0 deletions
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285
patches/backports/0060-netif-dynamic-iface.patch Normal file
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@@ -0,0 +1,285 @@
From 4e4128e44fcb6c0f444e4aa481eb8941f47a801a Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 15 Sep 2023 20:47:10 +0200
Subject: [PATCH] netifd: add support for enabling/disabling wifi interfaces
via ifup/ifdown
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
package/network/config/netifd/files/sbin/ifup | 33 ---
.../patches/410-wireless_network_state.patch | 194 ++++++++++++++++++
2 files changed, 194 insertions(+), 33 deletions(-)
create mode 100644 package/network/config/netifd/patches/410-wireless_network_state.patch
diff --git a/package/network/config/netifd/files/sbin/ifup b/package/network/config/netifd/files/sbin/ifup
index 15be535bbfc9..fbf2fd80c7ea 100755
--- a/package/network/config/netifd/files/sbin/ifup
+++ b/package/network/config/netifd/files/sbin/ifup
@@ -1,7 +1,6 @@
#!/bin/sh
ifup_all=
-setup_wifi=
if_call() {
local interface="$1"
@@ -14,7 +13,6 @@ case "$0" in
*ifdown) modes=down;;
*ifup)
modes="down up"
- setup_wifi=1
;;
*) echo "Invalid command: $0";;
esac
@@ -25,10 +23,6 @@ while :; do
ifup_all=1
shift
;;
- -w)
- setup_wifi=
- shift
- ;;
*)
break
;;
@@ -40,7 +34,6 @@ if [ -n "$ifup_all" ]; then
for interface in $(ubus -S list 'network.interface.*'); do
if_call "${interface##network.interface.}"
done
- [ -n "$setup_wifi" ] && /sbin/wifi up
exit
else
ubus -S list "network.interface.$1" > /dev/null || {
@@ -49,29 +42,3 @@ else
}
if_call "$1"
fi
-
-if [ -n "$setup_wifi" ] && grep -sq config /etc/config/wireless; then
- . /lib/functions.sh
-
- find_related_radios() {
- local wdev wnet
- config_get wdev "$1" device
- config_get wnet "$1" network
-
- if [ -n "$wdev" ]; then
- for wnet in $wnet; do
- if [ "$wnet" = "$network" ]; then
- append radio_devs "$wdev" "$N"
- fi
- done
- fi
- }
-
- network="$1"
- config_load wireless
- config_foreach find_related_radios wifi-iface
-
- for dev in $(echo "$radio_devs" | sort -u); do
- /sbin/wifi up "$dev"
- done
-fi
diff --git a/package/network/config/netifd/patches/410-wireless_network_state.patch b/package/network/config/netifd/patches/410-wireless_network_state.patch
new file mode 100644
index 000000000000..4e9b905190b6
--- /dev/null
+++ b/package/network/config/netifd/patches/410-wireless_network_state.patch
@@ -0,0 +1,194 @@
+--- a/config.c
++++ b/config.c
+@@ -784,7 +784,7 @@ config_init_all(void)
+ vlist_flush(&interfaces);
+ interface_refresh_assignments(false);
+ interface_start_pending();
+- wireless_start_pending();
++ wireless_start_pending(0);
+
+ return ret;
+ }
+--- a/interface.c
++++ b/interface.c
+@@ -25,6 +25,7 @@
+ #include "ubus.h"
+ #include "config.h"
+ #include "system.h"
++#include "wireless.h"
+
+ struct vlist_tree interfaces;
+ static LIST_HEAD(iface_all_users);
+@@ -1125,6 +1126,7 @@ interface_set_up(struct interface *iface
+ const char *error = NULL;
+
+ iface->autostart = true;
++ wireless_check_network_enabled();
+
+ if (iface->state != IFS_DOWN)
+ return;
+@@ -1157,6 +1159,7 @@ interface_set_down(struct interface *ifa
+ __interface_set_down(iface, false);
+ } else {
+ iface->autostart = false;
++ wireless_check_network_enabled();
+ __interface_set_down(iface, false);
+ }
+ }
+--- a/wireless.c
++++ b/wireless.c
+@@ -198,6 +198,9 @@ prepare_config(struct wireless_device *w
+
+ l = blobmsg_open_table(&b, "interfaces");
+ vlist_for_each_element(&wdev->interfaces, vif, node) {
++ if (vif->disabled)
++ continue;
++
+ i = blobmsg_open_table(&b, vif->name);
+ vif_config_add_bridge(&b, vif->network, up);
+ put_container(&b, vif->config, "config");
+@@ -438,6 +441,8 @@ wireless_device_run_handler(struct wirel
+ wdev->prev_config = NULL;
+ } else {
+ prepare_config(wdev, &b, up);
++ free(wdev->prev_config);
++ wdev->prev_config = up ? blob_memdup(b.head) : NULL;
+ config = blobmsg_format_json(b.head, true);
+ }
+
+@@ -495,8 +500,6 @@ __wireless_device_set_up(struct wireless
+ if ((!force && wdev->state != IFS_DOWN) || config_init)
+ return;
+
+- free(wdev->prev_config);
+- wdev->prev_config = NULL;
+ wdev->state = IFS_SETUP;
+ wireless_device_run_handler(wdev, true);
+ }
+@@ -690,16 +693,6 @@ wdev_set_config_state(struct wireless_de
+ }
+
+ static void
+-wdev_prepare_prev_config(struct wireless_device *wdev)
+-{
+- if (wdev->prev_config)
+- return;
+-
+- prepare_config(wdev, &b, false);
+- wdev->prev_config = blob_memdup(b.head);
+-}
+-
+-static void
+ wdev_change_config(struct wireless_device *wdev, struct wireless_device *wd_new)
+ {
+ struct blob_attr *new_config = wd_new->config;
+@@ -709,7 +702,6 @@ wdev_change_config(struct wireless_devic
+ wdev->serialize = wd_new->serialize;
+ free(wd_new);
+
+- wdev_prepare_prev_config(wdev);
+ if (blob_attr_equal(wdev->config, new_config) && wdev->disabled == disabled)
+ return;
+
+@@ -1533,19 +1525,78 @@ wireless_device_notify(struct wireless_d
+ return 0;
+ }
+
+-/* called on startup and by netifd reload() */
+-void
+-wireless_start_pending(void)
++static void
++wdev_check_network_enabled(struct wireless_device *wdev)
++{
++ struct wireless_interface *vif;
++ struct interface *iface;
++ struct blob_attr *cur;
++ int rem;
++
++ vlist_for_each_element(&wdev->interfaces, vif, node) {
++ int enabled = -1;
++
++ blobmsg_for_each_attr(cur, vif->network, rem) {
++ iface = vlist_find(&interfaces, blobmsg_get_string(cur), iface, node);
++ if (!iface)
++ continue;
++
++ if (iface->autostart) {
++ enabled = 1;
++ break;
++ }
++ if (enabled != 1)
++ enabled = 0;
++ }
++
++ if (vif->disabled == !enabled)
++ continue;
++
++ vif->disabled = !enabled;
++ wdev->config_update = true;
++ }
++}
++
++static void
++__wireless_start_pending(struct uloop_timeout *t)
+ {
+ struct wireless_device *wdev;
+
+ vlist_for_each_element(&wireless_devices, wdev, node) {
++ wdev_check_network_enabled(wdev);
+ if (wdev->config_update)
+ wdev_set_config_state(wdev, IFC_RELOAD);
+ __wireless_device_set_up(wdev, 0);
+ }
+ }
+
++void wireless_start_pending(int timeout)
++{
++ static struct uloop_timeout timer = {
++ .cb = __wireless_start_pending
++ };
++
++ if (timeout) {
++ uloop_timeout_set(&timer, timeout);
++ return;
++ }
++
++ uloop_timeout_cancel(&timer);
++ timer.cb(&timer);
++}
++
++void wireless_check_network_enabled(void)
++{
++ struct wireless_device *wdev;
++
++ vlist_for_each_element(&wireless_devices, wdev, node) {
++ wdev_check_network_enabled(wdev);
++
++ if (wdev->config_update)
++ wireless_start_pending(1000);
++ }
++}
++
+ void wireless_device_hotplug_event(const char *name, bool add)
+ {
+ struct wireless_interface *vif;
+--- a/wireless.h
++++ b/wireless.h
+@@ -94,6 +94,7 @@ struct wireless_interface {
+ int multicast_to_unicast;
+ int vlan_idx;
+ int sta_idx;
++ bool disabled;
+ };
+
+ struct wireless_vlan {
+@@ -142,7 +143,8 @@ void wireless_station_create(struct wire
+ int wireless_device_notify(struct wireless_device *wdev, struct blob_attr *data,
+ struct ubus_request_data *req);
+
+-void wireless_start_pending(void);
++void wireless_check_network_enabled(void);
++void wireless_start_pending(int timeout);
+ void wireless_init(void);
+ void wireless_device_hotplug_event(const char *name, bool add);
+
--
2.39.2