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hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/net/hsr/hsr_framereg.h
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@@ -1,12 +1,10 @@
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+/* SPDX-License-Identifier: GPL-2.0 */
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 /* Copyright 2011-2014 Autronica Fire and Security AS
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the Free
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- * Software Foundation; either version 2 of the License, or (at your option)
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- * any later version.
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  *
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  * Author(s):
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  *	2011-2014 Arvid Brodin, arvid.brodin@alten.se
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+ *
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+ * include file for HSR and PRP.
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  */
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 #ifndef __HSR_FRAMEREG_H
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@@ -16,13 +14,26 @@
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 struct hsr_node;
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-void hsr_del_node(struct list_head *self_node_db);
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-struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
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-			      u16 seq_out);
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-struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
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-			      bool is_sup);
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-void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
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-			  struct hsr_port *port);
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+struct hsr_frame_info {
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+	struct sk_buff *skb_std;
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+	struct sk_buff *skb_hsr;
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+	struct sk_buff *skb_prp;
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+	struct hsr_port *port_rcv;
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+	struct hsr_node *node_src;
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+	u16 sequence_nr;
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+	bool is_supervision;
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+	bool is_vlan;
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+	bool is_local_dest;
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+	bool is_local_exclusive;
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+	bool is_from_san;
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+};
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+
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+void hsr_del_self_node(struct hsr_priv *hsr);
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+void hsr_del_nodes(struct list_head *node_db);
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+struct hsr_node *hsr_get_node(struct hsr_port *port, struct list_head *node_db,
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+			      struct sk_buff *skb, bool is_sup,
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+			      enum hsr_port_type rx_port);
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+void hsr_handle_sup_frame(struct hsr_frame_info *frame);
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 bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
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 void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
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@@ -36,7 +47,7 @@
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 void hsr_prune_nodes(struct timer_list *t);
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-int hsr_create_self_node(struct list_head *self_node_db,
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+int hsr_create_self_node(struct hsr_priv *hsr,
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 			 unsigned char addr_a[ETH_ALEN],
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 			 unsigned char addr_b[ETH_ALEN]);
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@@ -52,4 +63,24 @@
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 		      int *if2_age,
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 		      u16 *if2_seq);
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+void prp_handle_san_frame(bool san, enum hsr_port_type port,
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+			  struct hsr_node *node);
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+void prp_update_san_info(struct hsr_node *node, bool is_sup);
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+
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+struct hsr_node {
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+	struct list_head	mac_list;
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+	unsigned char		macaddress_A[ETH_ALEN];
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+	unsigned char		macaddress_B[ETH_ALEN];
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+	/* Local slave through which AddrB frames are received from this node */
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+	enum hsr_port_type	addr_B_port;
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+	unsigned long		time_in[HSR_PT_PORTS];
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+	bool			time_in_stale[HSR_PT_PORTS];
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+	unsigned long		time_out[HSR_PT_PORTS];
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+	/* if the node is a SAN */
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+	bool			san_a;
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+	bool			san_b;
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+	u16			seq_out[HSR_PT_PORTS];
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+	struct rcu_head		rcu_head;
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+};
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+
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 #endif /* __HSR_FRAMEREG_H */