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net: hsr: add debugfs support for display node list

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This adds a debugfs interface to allow display the nodes learned
by the hsr master.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Murali Karicheri
2019-04-05 13:31:35 -04:00
committed by David S. Miller
parent 0e7623bdf3
commit fc4ecaeebd
6 changed files with 155 additions and 12 deletions
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17
net/hsr/hsr_main.h
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@@ -163,6 +163,10 @@ struct hsr_priv {
u8 prot_version; /* Indicate if HSRv0 or HSRv1. */
spinlock_t seqnr_lock; /* locking for sequence_nr */
unsigned char sup_multicast_addr[ETH_ALEN];
#ifdef CONFIG_DEBUG_FS
struct dentry *node_tbl_root;
struct dentry *node_tbl_file;
#endif
};
#define hsr_for_each_port(hsr, port) \
@@ -179,4 +183,17 @@ static inline u16 hsr_get_skb_sequence_nr(struct sk_buff *skb)
return ntohs(hsr_ethhdr->hsr_tag.sequence_nr);
}
#if IS_ENABLED(CONFIG_DEBUG_FS)
int hsr_prp_debugfs_init(struct hsr_priv *priv);
void hsr_prp_debugfs_term(struct hsr_priv *priv);
#else
static inline int hsr_prp_debugfs_init(struct hsr_priv *priv)
{
return 0;
}
static inline void hsr_prp_debugfs_term(struct hsr_priv *priv)
{}
#endif
#endif /* __HSR_PRIVATE_H */