net/hsr/hsr_framereg.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright 2011-2014 Autronica Fire and Security AS
   3  *
   4  * Author(s):
   5  *      2011-2014 Arvid Brodin, arvid.brodin@alten.se
   6  */
   7
   8 #ifndef __HSR_FRAMEREG_H
   9 #define __HSR_FRAMEREG_H
  10
  11 #include "hsr_main.h"
  12
  13 struct hsr_node;
  14
  15 void hsr_del_self_node(struct list_head *self_node_db);
  16 void hsr_del_nodes(struct list_head *node_db);
  17 struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
  18                               u16 seq_out);
  19 struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
  20                               bool is_sup);
  21 void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
  22                           struct hsr_port *port);
  23 bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
  24
  25 void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
  26 void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
  27                          struct hsr_port *port);
  28
  29 void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
  30                            u16 sequence_nr);
  31 int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
  32                            u16 sequence_nr);
  33
  34 void hsr_prune_nodes(struct timer_list *t);
  35
  36 int hsr_create_self_node(struct list_head *self_node_db,
  37                          unsigned char addr_a[ETH_ALEN],
  38                          unsigned char addr_b[ETH_ALEN]);
  39
  40 void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
  41                         unsigned char addr[ETH_ALEN]);
  42
  43 int hsr_get_node_data(struct hsr_priv *hsr,
  44                       const unsigned char *addr,
  45                       unsigned char addr_b[ETH_ALEN],
  46                       unsigned int *addr_b_ifindex,
  47                       int *if1_age,
  48                       u16 *if1_seq,
  49                       int *if2_age,
  50                       u16 *if2_seq);
  51
  52 struct hsr_node {
  53         struct list_head        mac_list;
  54         unsigned char           macaddress_A[ETH_ALEN];
  55         unsigned char           macaddress_B[ETH_ALEN];
  56         /* Local slave through which AddrB frames are received from this node */
  57         enum hsr_port_type      addr_B_port;
  58         unsigned long           time_in[HSR_PT_PORTS];
  59         bool                    time_in_stale[HSR_PT_PORTS];
  60         u16                     seq_out[HSR_PT_PORTS];
  61         struct rcu_head         rcu_head;
  62 };
  63
  64 #endif /* __HSR_FRAMEREG_H */