From 9999e48639b3cecb08ffb37358bcba3b48161b29 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:17 +0000
Subject: [PATCH] add ax88772_rst

---
 kernel/net/hsr/hsr_framereg.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/kernel/net/hsr/hsr_framereg.c b/kernel/net/hsr/hsr_framereg.c
index 805f974..afc97d6 100644
--- a/kernel/net/hsr/hsr_framereg.c
+++ b/kernel/net/hsr/hsr_framereg.c
@@ -159,6 +159,7 @@
 		return NULL;
 
 	ether_addr_copy(new_node->macaddress_A, addr);
+	spin_lock_init(&new_node->seq_out_lock);
 
 	/* We are only interested in time diffs here, so use current jiffies
 	 * as initialization. (0 could trigger an spurious ring error warning).
@@ -311,6 +312,7 @@
 		goto done;
 
 	ether_addr_copy(node_real->macaddress_B, ethhdr->h_source);
+	spin_lock_bh(&node_real->seq_out_lock);
 	for (i = 0; i < HSR_PT_PORTS; i++) {
 		if (!node_curr->time_in_stale[i] &&
 		    time_after(node_curr->time_in[i], node_real->time_in[i])) {
@@ -321,6 +323,7 @@
 		if (seq_nr_after(node_curr->seq_out[i], node_real->seq_out[i]))
 			node_real->seq_out[i] = node_curr->seq_out[i];
 	}
+	spin_unlock_bh(&node_real->seq_out_lock);
 	node_real->addr_B_port = port_rcv->type;
 
 	spin_lock_bh(&hsr->list_lock);
@@ -377,7 +380,7 @@
 	node_dst = find_node_by_addr_A(&port->hsr->node_db,
 				       eth_hdr(skb)->h_dest);
 	if (!node_dst) {
-		if (net_ratelimit())
+		if (port->hsr->prot_version != PRP_V1 && net_ratelimit())
 			netdev_err(skb->dev, "%s: Unknown node\n", __func__);
 		return;
 	}
@@ -413,13 +416,17 @@
 int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
 			   u16 sequence_nr)
 {
+	spin_lock_bh(&node->seq_out_lock);
 	if (seq_nr_before_or_eq(sequence_nr, node->seq_out[port->type]) &&
 	    time_is_after_jiffies(node->time_out[port->type] +
-	    msecs_to_jiffies(HSR_ENTRY_FORGET_TIME)))
+	    msecs_to_jiffies(HSR_ENTRY_FORGET_TIME))) {
+		spin_unlock_bh(&node->seq_out_lock);
 		return 1;
+	}
 
 	node->time_out[port->type] = jiffies;
 	node->seq_out[port->type] = sequence_nr;
+	spin_unlock_bh(&node->seq_out_lock);
 	return 0;
 }
 

--
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