diff options
| author | David S. Miller <davem@netfilter.org> | 2004-09-27 07:57:01 -0700 |
|---|---|---|
| committer | David S. Miller <davem@nuts.davemloft.net> | 2004-09-27 07:57:01 -0700 |
| commit | bf19f71b39b2aeef87aa75d97ce079377ae5ecd7 (patch) | |
| tree | b0aa8fdd558a52ba652239abc568d390513d5248 /include/net | |
| parent | 363c9612c2f286204248a57aafd87c089fdbd83a (diff) | |
[NET]: Neighbour cache statistics like rt_stat.
Add rtstat-like per-cpu statistics to the neighbour cache core.
Signed-off-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/neighbour.h | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/include/net/neighbour.h b/include/net/neighbour.h index e66c71da2357..40073cf19863 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -7,6 +7,11 @@ * Authors: * Pedro Roque <roque@di.fc.ul.pt> * Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> + * + * Changes: + * + * Harald Welte: <laforge@gnumonks.org> + * - Add neighbour cache statistics like rtstat */ /* The following flags & states are exported to user space, @@ -90,12 +95,25 @@ struct neigh_parms struct neigh_statistics { - unsigned long allocs; - unsigned long res_failed; - unsigned long rcv_probes_mcast; - unsigned long rcv_probes_ucast; + unsigned long allocs; /* number of allocated neighs */ + unsigned long destroys; /* number of destroyed neighs */ + unsigned long hash_grows; /* number of hash resizes */ + + unsigned long res_failed; /* nomber of failed resolutions */ + + unsigned long lookups; /* number of lookups */ + unsigned long hits; /* number of hits (among lookups) */ + + unsigned long rcv_probes_mcast; /* number of received mcast ipv6 */ + unsigned long rcv_probes_ucast; /* number of received ucast ipv6 */ + + unsigned long periodic_gc_runs; /* number of periodic GC runs */ + unsigned long forced_gc_runs; /* number of forced GC runs */ }; +#define NEIGH_CACHE_STAT_INC(tbl, field) \ + (per_cpu_ptr((tbl)->stats, smp_processor_id())->field++) + struct neighbour { struct neighbour *next; @@ -172,12 +190,15 @@ struct neigh_table unsigned long last_rand; struct neigh_parms *parms_list; kmem_cache_t *kmem_cachep; - struct neigh_statistics stats; + struct neigh_statistics *stats; struct neighbour **hash_buckets; unsigned int hash_mask; __u32 hash_rnd; unsigned int hash_chain_gc; struct pneigh_entry **phash_buckets; +#ifdef CONFIG_PROC_FS + struct proc_dir_entry *pde; +#endif }; /* flags for neigh_update() */ |