diff options
| author | Jesper Dangaard Brouer <brouer@redhat.com> | 2014-03-03 14:44:54 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-03-07 11:40:04 +0100 |
| commit | b476b72a0f8514a5a4c561bab731ddd506a284e7 (patch) | |
| tree | 52c16033b0e96c8b2459bb023203acb6cb6845c2 /include/net/netfilter/nf_conntrack.h | |
| parent | 52af2bfcc0f1de4d2bf7a292127f9731f08c2c8e (diff) | |
| download | linux-b476b72a0f8514a5a4c561bab731ddd506a284e7.tar.gz | |
netfilter: trivial code cleanup and doc changes
Changes while reading through the netfilter code.
Added hint about how conntrack nf_conn refcnt is accessed.
And renamed repl_hash to reply_hash for readability
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net/netfilter/nf_conntrack.h')
| -rw-r--r-- | include/net/netfilter/nf_conntrack.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index b2ac6246b7e0ab..e10d1faa6d096f 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -73,7 +73,13 @@ struct nf_conn_help { struct nf_conn { /* Usage count in here is 1 for hash table/destruct timer, 1 per skb, - plus 1 for any connection(s) we are `master' for */ + * plus 1 for any connection(s) we are `master' for + * + * Hint, SKB address this struct and refcnt via skb->nfct and + * helpers nf_conntrack_get() and nf_conntrack_put(). + * Helper nf_ct_put() equals nf_conntrack_put() by dec refcnt, + * beware nf_ct_get() is different and don't inc refcnt. + */ struct nf_conntrack ct_general; spinlock_t lock; |