diff options
Diffstat (limited to 'net/hsr/hsr_main.h')
| -rw-r--r-- | net/hsr/hsr_main.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/net/hsr/hsr_main.h b/net/hsr/hsr_main.h index e31c3069fdf8..5a9c69962ded 100644 --- a/net/hsr/hsr_main.h +++ b/net/hsr/hsr_main.h @@ -29,6 +29,7 @@ * each node differ before we notify of communication problem? */ #define MAX_SLAVE_DIFF 3000 /* ms */ +#define HSR_SEQNR_START (USHRT_MAX - 1024) /* How often shall we check for broken ring and remove node entries older than @@ -153,10 +154,9 @@ struct hsr_port { }; struct hsr_priv { - struct list_head hsr_list; /* List of hsr devices */ struct rcu_head rcu_head; struct list_head ports; - struct list_head node_db; /* Other HSR nodes */ + struct list_head node_db; /* Known HSR nodes */ struct list_head self_node_db; /* MACs of slaves */ struct timer_list announce_timer; /* Supervision frame dispatch */ struct timer_list prune_timer; @@ -166,6 +166,18 @@ struct hsr_priv { unsigned char sup_multicast_addr[ETH_ALEN]; }; +#define hsr_for_each_port(hsr, port) \ + list_for_each_entry_rcu((port), &(hsr)->ports, port_list) + struct hsr_port *hsr_port_get_hsr(struct hsr_priv *hsr, enum hsr_port_type pt); +/* Caller must ensure skb is a valid HSR frame */ +static inline u16 hsr_get_skb_sequence_nr(struct sk_buff *skb) +{ + struct hsr_ethhdr *hsr_ethhdr; + + hsr_ethhdr = (struct hsr_ethhdr *) skb_mac_header(skb); + return ntohs(hsr_ethhdr->hsr_tag.sequence_nr); +} + #endif /* __HSR_PRIVATE_H */ |