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-rw-r--r--net/hsr/hsr_framereg.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/net/hsr/hsr_framereg.h b/net/hsr/hsr_framereg.h
new file mode 100644
index 000000000..5a771cb3f
--- /dev/null
+++ b/net/hsr/hsr_framereg.h
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright 2011-2014 Autronica Fire and Security AS
+ *
+ * Author(s):
+ * 2011-2014 Arvid Brodin, arvid.brodin@alten.se
+ *
+ * include file for HSR and PRP.
+ */
+
+#ifndef __HSR_FRAMEREG_H
+#define __HSR_FRAMEREG_H
+
+#include "hsr_main.h"
+
+struct hsr_node;
+
+struct hsr_frame_info {
+ struct sk_buff *skb_std;
+ struct sk_buff *skb_hsr;
+ struct sk_buff *skb_prp;
+ struct hsr_port *port_rcv;
+ struct hsr_node *node_src;
+ u16 sequence_nr;
+ bool is_supervision;
+ bool is_vlan;
+ bool is_local_dest;
+ bool is_local_exclusive;
+ bool is_from_san;
+};
+
+void hsr_del_self_node(struct hsr_priv *hsr);
+void hsr_del_nodes(struct list_head *node_db);
+struct hsr_node *hsr_get_node(struct hsr_port *port, struct list_head *node_db,
+ struct sk_buff *skb, bool is_sup,
+ enum hsr_port_type rx_port);
+void hsr_handle_sup_frame(struct hsr_frame_info *frame);
+bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
+
+void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
+void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
+ struct hsr_port *port);
+
+void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
+ u16 sequence_nr);
+int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
+ u16 sequence_nr);
+
+void hsr_prune_nodes(struct timer_list *t);
+
+int hsr_create_self_node(struct hsr_priv *hsr,
+ unsigned char addr_a[ETH_ALEN],
+ unsigned char addr_b[ETH_ALEN]);
+
+void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
+ unsigned char addr[ETH_ALEN]);
+
+int hsr_get_node_data(struct hsr_priv *hsr,
+ const unsigned char *addr,
+ unsigned char addr_b[ETH_ALEN],
+ unsigned int *addr_b_ifindex,
+ int *if1_age,
+ u16 *if1_seq,
+ int *if2_age,
+ u16 *if2_seq);
+
+void prp_handle_san_frame(bool san, enum hsr_port_type port,
+ struct hsr_node *node);
+void prp_update_san_info(struct hsr_node *node, bool is_sup);
+
+struct hsr_node {
+ struct list_head mac_list;
+ /* Protect R/W access to seq_out */
+ spinlock_t seq_out_lock;
+ unsigned char macaddress_A[ETH_ALEN];
+ unsigned char macaddress_B[ETH_ALEN];
+ /* Local slave through which AddrB frames are received from this node */
+ enum hsr_port_type addr_B_port;
+ unsigned long time_in[HSR_PT_PORTS];
+ bool time_in_stale[HSR_PT_PORTS];
+ unsigned long time_out[HSR_PT_PORTS];
+ /* if the node is a SAN */
+ bool san_a;
+ bool san_b;
+ u16 seq_out[HSR_PT_PORTS];
+ struct rcu_head rcu_head;
+};
+
+#endif /* __HSR_FRAMEREG_H */