/* 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; 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]; /* 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 */