add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/net/hsr/hsr_framereg.c
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@@ -159,6 +159,7 @@
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 		return NULL;
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 	ether_addr_copy(new_node->macaddress_A, addr);
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+	spin_lock_init(&new_node->seq_out_lock);
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 	/* We are only interested in time diffs here, so use current jiffies
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 	 * as initialization. (0 could trigger an spurious ring error warning).
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@@ -311,6 +312,7 @@
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 		goto done;
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 	ether_addr_copy(node_real->macaddress_B, ethhdr->h_source);
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+	spin_lock_bh(&node_real->seq_out_lock);
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 	for (i = 0; i < HSR_PT_PORTS; i++) {
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 		if (!node_curr->time_in_stale[i] &&
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 		    time_after(node_curr->time_in[i], node_real->time_in[i])) {
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@@ -321,6 +323,7 @@
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 		if (seq_nr_after(node_curr->seq_out[i], node_real->seq_out[i]))
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 			node_real->seq_out[i] = node_curr->seq_out[i];
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 	}
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+	spin_unlock_bh(&node_real->seq_out_lock);
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 	node_real->addr_B_port = port_rcv->type;
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 	spin_lock_bh(&hsr->list_lock);
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@@ -377,7 +380,7 @@
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 	node_dst = find_node_by_addr_A(&port->hsr->node_db,
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 				       eth_hdr(skb)->h_dest);
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 	if (!node_dst) {
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-		if (net_ratelimit())
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+		if (port->hsr->prot_version != PRP_V1 && net_ratelimit())
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 			netdev_err(skb->dev, "%s: Unknown node\n", __func__);
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 		return;
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 	}
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@@ -413,13 +416,17 @@
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 int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
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 			   u16 sequence_nr)
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 {
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+	spin_lock_bh(&node->seq_out_lock);
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 	if (seq_nr_before_or_eq(sequence_nr, node->seq_out[port->type]) &&
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 	    time_is_after_jiffies(node->time_out[port->type] +
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-	    msecs_to_jiffies(HSR_ENTRY_FORGET_TIME)))
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+	    msecs_to_jiffies(HSR_ENTRY_FORGET_TIME))) {
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+		spin_unlock_bh(&node->seq_out_lock);
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 		return 1;
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+	}
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 	node->time_out[port->type] = jiffies;
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 	node->seq_out[port->type] = sequence_nr;
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+	spin_unlock_bh(&node->seq_out_lock);
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 	return 0;
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 }
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