add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/net/xen-netback/rx.c
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@@ -82,9 +82,10 @@
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 	return false;
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 }
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-void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb)
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+bool xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb)
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 {
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 	unsigned long flags;
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+	bool ret = true;
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 	spin_lock_irqsave(&queue->rx_queue.lock, flags);
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@@ -92,8 +93,7 @@
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 		struct net_device *dev = queue->vif->dev;
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 		netif_tx_stop_queue(netdev_get_tx_queue(dev, queue->id));
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-		kfree_skb(skb);
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-		queue->vif->dev->stats.rx_dropped++;
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+		ret = false;
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 	} else {
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 		if (skb_queue_empty(&queue->rx_queue))
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 			xenvif_update_needed_slots(queue, skb);
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@@ -104,6 +104,8 @@
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 	}
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 	spin_unlock_irqrestore(&queue->rx_queue.lock, flags);
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+
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+	return ret;
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 }
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 static struct sk_buff *xenvif_rx_dequeue(struct xenvif_queue *queue)
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@@ -282,6 +284,19 @@
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 		pkt->extra_count++;
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 	}
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+	if (queue->vif->xdp_headroom) {
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+		struct xen_netif_extra_info *extra;
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+
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+		extra = &pkt->extras[XEN_NETIF_EXTRA_TYPE_XDP - 1];
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+
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+		memset(extra, 0, sizeof(struct xen_netif_extra_info));
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+		extra->u.xdp.headroom = queue->vif->xdp_headroom;
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+		extra->type = XEN_NETIF_EXTRA_TYPE_XDP;
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+		extra->flags = 0;
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+
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+		pkt->extra_count++;
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+	}
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+
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 	if (skb->sw_hash) {
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 		struct xen_netif_extra_info *extra;
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@@ -380,7 +395,7 @@
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 				struct xen_netif_rx_request *req,
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 				struct xen_netif_rx_response *rsp)
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 {
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-	unsigned int offset = 0;
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+	unsigned int offset = queue->vif->xdp_headroom;
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 	unsigned int flags;
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 	do {
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@@ -473,7 +488,7 @@
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 #define RX_BATCH_SIZE 64
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-void xenvif_rx_action(struct xenvif_queue *queue)
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+static void xenvif_rx_action(struct xenvif_queue *queue)
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 {
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 	struct sk_buff_head completed_skbs;
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 	unsigned int work_done = 0;
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@@ -482,6 +497,7 @@
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 	queue->rx_copy.completed = &completed_skbs;
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 	while (xenvif_rx_ring_slots_available(queue) &&
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+	       !skb_queue_empty(&queue->rx_queue) &&
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 	       work_done < RX_BATCH_SIZE) {
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 		xenvif_rx_skb(queue);
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 		work_done++;