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_node(struct list_head *self_node_db);
  16 struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
  17                               u16 seq_out);
  18 struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
  19                               bool is_sup);
  20 void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
  21                           struct hsr_port *port);
  22 bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
  23
  24 void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
  25 void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
  26                          struct hsr_port *port);
  27
  28 void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
  29                            u16 sequence_nr);
  30 int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
  31                            u16 sequence_nr);
  32
  33 void hsr_prune_nodes(struct timer_list *t);
  34
  35 int hsr_create_self_node(struct list_head *self_node_db,
  36                          unsigned char addr_a[ETH_ALEN],
  37                          unsigned char addr_b[ETH_ALEN]);
  38
  39 void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
  40                         unsigned char addr[ETH_ALEN]);
  41
  42 int hsr_get_node_data(struct hsr_priv *hsr,
  43                       const unsigned char *addr,
  44                       unsigned char addr_b[ETH_ALEN],
  45                       unsigned int *addr_b_ifindex,
  46                       int *if1_age,
  47                       u16 *if1_seq,
  48                       int *if2_age,
  49                       u16 *if2_seq);
  50
  51 struct hsr_node {
  52         struct list_head        mac_list;
  53         unsigned char           macaddress_A[ETH_ALEN];
  54         unsigned char           macaddress_B[ETH_ALEN];
  55         /* Local slave through which AddrB frames are received from this node */
  56         enum hsr_port_type      addr_B_port;
  57         unsigned long           time_in[HSR_PT_PORTS];
  58         bool                    time_in_stale[HSR_PT_PORTS];
  59         u16                     seq_out[HSR_PT_PORTS];
  60         struct rcu_head         rcu_head;
  61 };
  62
  63 #endif /* __HSR_FRAMEREG_H */