From: Alexandre Derumier <aderumier@odiso.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] [PATCH qemu-server 6/6] nic online bridge/vlan change: link disconnect/reconnect
Date: Wed, 15 Nov 2023 15:22:08 +0100 [thread overview]
Message-ID: <20231115142208.563587-16-aderumier@odiso.com> (raw)
In-Reply-To: <20231115142208.563587-1-aderumier@odiso.com>
We want to notify guest of the change, so it can resubmit dhcp request,
or send gratuitous arp,...
Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
---
PVE/QemuServer.pm | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 4c52026..1f785a1 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -5309,6 +5309,12 @@ sub vmconfig_update_net {
safe_num_ne($oldnet->{firewall}, $newnet->{firewall})) {
PVE::Network::tap_unplug($iface);
+ #set link_down in guest if bridge or vlan change to notify guest (dhcp renew for example)
+ if (safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
+ safe_num_ne($oldnet->{tag}, $newnet->{tag})) {
+ qemu_set_link_status($vmid, $opt, 0);
+ }
+
if (safe_string_ne($oldnet->{bridge}, $newnet->{bridge})) {
if ($have_sdn) {
PVE::Network::SDN::Vnets::del_ips_from_mac($oldnet->{bridge}, $oldnet->{macaddr}, $conf->{name});
@@ -5321,6 +5327,13 @@ sub vmconfig_update_net {
} else {
PVE::Network::tap_plug($iface, $newnet->{bridge}, $newnet->{tag}, $newnet->{firewall}, $newnet->{trunks}, $newnet->{rate});
}
+
+ #set link_up in guest if bridge or vlan change to notify guest (dhcp renew for example)
+ if (safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
+ safe_num_ne($oldnet->{tag}, $newnet->{tag})) {
+ qemu_set_link_status($vmid, $opt, 1);
+ }
+
} elsif (safe_num_ne($oldnet->{rate}, $newnet->{rate})) {
# Rate can be applied on its own but any change above needs to
# include the rate in tap_plug since OVS resets everything.
--
2.39.2
prev parent reply other threads:[~2023-11-15 14:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-15 14:21 [pve-devel] [PATCH series pve-network/qemu-server/pve-container] DHCP WIP3 Alexandre Derumier
2023-11-15 14:21 ` [pve-devel] [PATCH pve-network 1/3] fix subnets && netbox ipam tests Alexandre Derumier
2023-11-15 14:21 ` [pve-devel] [PATCH pve-container 1/6] nic hotplug : add|del ips in ipam Alexandre Derumier
2023-11-15 14:56 ` Stefan Hanreich
2023-11-15 15:19 ` DERUMIER, Alexandre
2023-11-15 14:21 ` [pve-devel] [PATCH qemu-server 1/6] vmnic add|remove : add|del ip " Alexandre Derumier
2023-11-15 14:21 ` [pve-devel] [PATCH pve-network 2/3] add add_dhcp_mapping Alexandre Derumier
2023-11-15 14:21 ` [pve-devel] [PATCH pve-container 2/6] vm_destroy: remove ips from ipam for all interfaces Alexandre Derumier
2023-11-15 14:21 ` [pve-devel] [PATCH qemu-server 2/6] vm_start : vm-network-scripts: add_dhcp_reservation Alexandre Derumier
2023-11-15 14:22 ` [pve-devel] [PATCH pve-network 3/3] dhcp: delete remove_mapping Alexandre Derumier
2023-11-15 14:22 ` [pve-devel] [PATCH qemu-server 3/6] nic hotplug: add_dhcp_mapping Alexandre Derumier
2023-11-15 14:22 ` [pve-devel] [PATCH pve-container 3/6] vm_create|restore: create ips in ipam Alexandre Derumier
2023-11-15 14:22 ` [pve-devel] [PATCH qemu-server 4/6] api2: create|restore|clone: add_free_ip Alexandre Derumier
2023-11-15 14:22 ` [pve-devel] [PATCH pve-container 4/6] vm_clone : create ips in ipams Alexandre Derumier
2023-11-15 14:22 ` [pve-devel] [PATCH pve-container 5/6] vm_apply_pending: add|del ips from ipam for offline changes Alexandre Derumier
2023-11-15 14:22 ` [pve-devel] [PATCH qemu-server 5/6] vm_destroy: delete ip from ipam Alexandre Derumier
2023-11-15 14:22 ` [pve-devel] [PATCH pve-container 6/6] lxc-pve-prestart-hook : add_dhcp_mapping Alexandre Derumier
2023-11-15 14:22 ` Alexandre Derumier [this message]
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