fix: implement multiqueue support for network interfaces and update UI documentation

extensions/Servers/Proxmox/Livewire/Network.php

@@ -528,6 +528,9 @@ class Network extends Component
         $this->interfaceSelections = collect($this->interfaces)
             ->map(fn ($meta) => $meta['model'] ?? 'virtio')
             ->toArray();
+        $this->interfaceMultiqueues = collect($this->interfaces)
+            ->map(fn ($meta) => $meta['queues'] ?? 1)
+            ->toArray();
         $this->selectedInterface = array_key_first($this->interfaces) ?? 'net0';
         $this->interfaceType = $this->interfaceSelections[$this->selectedInterface] ?? 'virtio';
         $this->canRemoveInterfaces = count($this->interfaces) > 1;
@@ -547,6 +550,69 @@ class Network extends Component
         $this->interfaceType = $this->interfaceSelections[$name];
     }
 
+    public function updateMultiqueue(string $name, int $queues): void
+    {
+        if (!isset($this->interfaces[$name])) {
+            $this->notify('Network device not found.', 'error');
+            return;
+        }
+
+        $cpuCores = $this->getCpuCores();
+        $queues = max(1, min($queues, $cpuCores));
+        
+        $this->interfaceMultiqueues[$name] = $queues;
+        
+        try {
+            $proxmox = new Proxmox;
+            $currentConfig = $proxmox->request('/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config')->json()['data'] ?? [];
+            $currentValue = (string) ($currentConfig[$name] ?? '');
+
+            if (empty($currentValue)) {
+                $this->notify('Network device configuration not found.', 'error');
+                return;
+            }
+
+            $segments = array_filter(array_map('trim', explode(',', $currentValue)));
+            $newSegments = [];
+            $queuesFound = false;
+
+            foreach ($segments as $segment) {
+                if (!str_contains($segment, '=')) {
+                    $newSegments[] = $segment;
+                    continue;
+                }
+
+                [$key, $value] = array_map('trim', explode('=', $segment, 2));
+                $lowerKey = strtolower($key);
+
+                if ($lowerKey === 'queues') {
+                    $queuesFound = true;
+                    $newSegments[] = 'queues=' . $queues;
+                } else {
+                    $newSegments[] = $key . '=' . $value;
+                }
+            }
+
+            // If queues parameter wasn't found, add it
+            if (!$queuesFound) {
+                $newSegments[] = 'queues=' . $queues;
+            }
+
+            $newValue = implode(',', $newSegments);
+
+            $proxmox->request(
+                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config',
+                'put',
+                [$name => $newValue]
+            );
+
+            $this->interfaces[$name]['queues'] = $queues;
+            $this->notify('Multiqueue updated for ' . strtoupper($name) . ' to ' . $queues . ' queues.', 'success');
+        } catch (\Exception $e) {
+            $this->notify('Failed to update multiqueue: ' . $e->getMessage(), 'error');
+        }
+    }
+
     public function getCanAddInterfaceProperty(): bool
     {
         return count($this->interfaces) < 5;

extensions/Servers/Proxmox/views/network.blade.php

@@ -226,6 +226,9 @@
                                 <p class="block font-sans text-xs font-normal leading-relaxed text-base/75">
                                     <span class="font-semibold text-base/90">Remove Device:</span> Removes a network interface from the VM configuration. Changes take effect after the VM is restarted.
                                 </p>
+                                <p class="block font-sans text-xs font-normal leading-relaxed text-base/75">
+                                    <span class="font-semibold text-base/90">Multiqueue:</span> Enables the network adapter to distribute packet processing across multiple CPU cores. Set this value equal to your vCPU count for optimal performance in multi-core VMs. This improves network throughput significantly.
+                                </p>
                                 <p class="block font-sans text-xs font-normal leading-relaxed text-base/75">
                                     The "Synced" indicator shows when your local changes match the server configuration; "Unsynced" indicates modifications that need to be saved.
                                 </p>
@@ -249,6 +252,7 @@
                         <th class="px-4 py-3">Adapter</th>
                         <th class="px-4 py-3">MAC Address</th>
                         <th class="px-4 py-3 text-center">MTU</th>
+                        <th class="px-4 py-3 text-center">Multiqueue</th>
                         <th class="px-4 py-3 text-center">Actions</th>
                     </tr>
                 </thead>
@@ -267,6 +271,25 @@
                             </td>
                             <td class="px-4 py-3 font-mono text-xs text-base/70">{{ strtoupper($interfaces[$name]['mac'] ?? 'N/A') }}</td>
                             <td class="px-4 py-3 text-center text-sm text-base/70">{{ $interfaces[$name]['mtu'] ?? 'Default' }}</td>
+                            <td class="px-4 py-3 text-center">
+                                <div x-data="{ 
+                                    queues: {{ $interfaces[$name]['queues'] ?? 1 }},
+                                    maxQueues: {{ $this->getCpuCores() }},
+                                    updateQueues() {
+                                        this.queues = Math.max(1, Math.min(this.queues, this.maxQueues));
+                                        $wire.updateMultiqueue('{{ $name }}', this.queues);
+                                    }
+                                }">
+                                    <input type="number" 
+                                        x-model.number="queues"
+                                        @blur="updateQueues()"
+                                        @keydown.enter="updateQueues()"
+                                        min="1" 
+                                        :max="maxQueues"
+                                        class="bg-background border border-neutral rounded-md px-3 py-2 text-sm text-center focus:outline-none focus:ring-2 focus:ring-secondary w-20"
+                                        :title="'Number of queues (1-' + maxQueues + ')'">
+                                </div>
+                            </td>
                             <td class="px-4 py-3 text-center">
                                 <div class="flex items-center justify-center gap-2">
                                     <button wire:click="toggleInterfaceLink('{{ $name }}')"
@@ -319,6 +342,9 @@
             </x-button.primary>
         </div>
         <p class="text-xs text-base/50 mt-2">VirtIO provides the best performance; legacy adapters (E1000, Realtek, PCnet, VMware) improve compatibility.</p>
+        <p class="text-xs text-base/50 mt-1">
+            <strong>Multiqueue:</strong> Allows the network adapter to use multiple CPU cores for packet processing. Set to the number of vCPU cores (max {{ $this->getCpuCores() }}) for best performance. Higher values improve throughput for multi-core VMs.
+        </p>
     </div>
 
     @foreach($server->ipAddresses as $network)