10e7623bdSMurali Karicheri /* SPDX-License-Identifier: GPL-2.0 */ 270ebe4a4SArvid Brodin /* Copyright 2011-2014 Autronica Fire and Security AS 3f421436aSArvid Brodin * 4f421436aSArvid Brodin * Author(s): 570ebe4a4SArvid Brodin * 2011-2014 Arvid Brodin, arvid.brodin@alten.se 68f4c0e01SMurali Karicheri * 78f4c0e01SMurali Karicheri * include file for HSR and PRP. 8f421436aSArvid Brodin */ 9f421436aSArvid Brodin 1070ebe4a4SArvid Brodin #ifndef __HSR_FRAMEREG_H 1170ebe4a4SArvid Brodin #define __HSR_FRAMEREG_H 12f421436aSArvid Brodin 13f421436aSArvid Brodin #include "hsr_main.h" 14f421436aSArvid Brodin 1570ebe4a4SArvid Brodin struct hsr_node; 16f421436aSArvid Brodin 17451d8123SMurali Karicheri struct hsr_frame_info { 18451d8123SMurali Karicheri struct sk_buff *skb_std; 19451d8123SMurali Karicheri struct sk_buff *skb_hsr; 20451d8123SMurali Karicheri struct sk_buff *skb_prp; 21451d8123SMurali Karicheri struct hsr_port *port_rcv; 22451d8123SMurali Karicheri struct hsr_node *node_src; 23451d8123SMurali Karicheri u16 sequence_nr; 24451d8123SMurali Karicheri bool is_supervision; 25451d8123SMurali Karicheri bool is_vlan; 26451d8123SMurali Karicheri bool is_local_dest; 27451d8123SMurali Karicheri bool is_local_exclusive; 28451d8123SMurali Karicheri bool is_from_san; 29451d8123SMurali Karicheri }; 30451d8123SMurali Karicheri 3192a35678STaehee Yoo void hsr_del_self_node(struct hsr_priv *hsr); 32e012764cSSebastian Andrzej Siewior void hsr_del_nodes(struct list_head *node_db); 33e012764cSSebastian Andrzej Siewior struct hsr_node *hsr_get_node(struct hsr_port *port, struct list_head *node_db, 34451d8123SMurali Karicheri struct sk_buff *skb, bool is_sup, 35451d8123SMurali Karicheri enum hsr_port_type rx_port); 36451d8123SMurali Karicheri void hsr_handle_sup_frame(struct hsr_frame_info *frame); 37f266a683SArvid Brodin bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr); 38f421436aSArvid Brodin 39f266a683SArvid Brodin void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb); 40f266a683SArvid Brodin void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb, 41c5a75911SArvid Brodin struct hsr_port *port); 42f421436aSArvid Brodin 43f266a683SArvid Brodin void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port, 44f266a683SArvid Brodin u16 sequence_nr); 45f266a683SArvid Brodin int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node, 46f266a683SArvid Brodin u16 sequence_nr); 47f421436aSArvid Brodin 48dda436b7SKees Cook void hsr_prune_nodes(struct timer_list *t); 49f421436aSArvid Brodin 5092a35678STaehee Yoo int hsr_create_self_node(struct hsr_priv *hsr, 5139c19fb9SJakub Kicinski const unsigned char addr_a[ETH_ALEN], 5239c19fb9SJakub Kicinski const unsigned char addr_b[ETH_ALEN]); 53f421436aSArvid Brodin 5470ebe4a4SArvid Brodin void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos, 55f421436aSArvid Brodin unsigned char addr[ETH_ALEN]); 56f421436aSArvid Brodin 5770ebe4a4SArvid Brodin int hsr_get_node_data(struct hsr_priv *hsr, 58f421436aSArvid Brodin const unsigned char *addr, 59f421436aSArvid Brodin unsigned char addr_b[ETH_ALEN], 60f421436aSArvid Brodin unsigned int *addr_b_ifindex, 61f421436aSArvid Brodin int *if1_age, 62f421436aSArvid Brodin u16 *if1_seq, 63f421436aSArvid Brodin int *if2_age, 64f421436aSArvid Brodin u16 *if2_seq); 65f421436aSArvid Brodin 66451d8123SMurali Karicheri void prp_handle_san_frame(bool san, enum hsr_port_type port, 67451d8123SMurali Karicheri struct hsr_node *node); 68451d8123SMurali Karicheri void prp_update_san_info(struct hsr_node *node, bool is_sup); 69451d8123SMurali Karicheri 70fc4ecaeeSMurali Karicheri struct hsr_node { 71e012764cSSebastian Andrzej Siewior struct list_head mac_list; 72*5c7aa132SSebastian Andrzej Siewior /* Protect R/W access to seq_out */ 73*5c7aa132SSebastian Andrzej Siewior spinlock_t seq_out_lock; 74fc4ecaeeSMurali Karicheri unsigned char macaddress_A[ETH_ALEN]; 75fc4ecaeeSMurali Karicheri unsigned char macaddress_B[ETH_ALEN]; 76fc4ecaeeSMurali Karicheri /* Local slave through which AddrB frames are received from this node */ 77fc4ecaeeSMurali Karicheri enum hsr_port_type addr_B_port; 78fc4ecaeeSMurali Karicheri unsigned long time_in[HSR_PT_PORTS]; 79fc4ecaeeSMurali Karicheri bool time_in_stale[HSR_PT_PORTS]; 80f1764114SMarco Wenzel unsigned long time_out[HSR_PT_PORTS]; 81451d8123SMurali Karicheri /* if the node is a SAN */ 82451d8123SMurali Karicheri bool san_a; 83451d8123SMurali Karicheri bool san_b; 84fc4ecaeeSMurali Karicheri u16 seq_out[HSR_PT_PORTS]; 850c74d9f7SSebastian Andrzej Siewior bool removed; 86fc4ecaeeSMurali Karicheri struct rcu_head rcu_head; 87fc4ecaeeSMurali Karicheri }; 88fc4ecaeeSMurali Karicheri 8970ebe4a4SArvid Brodin #endif /* __HSR_FRAMEREG_H */ 90