From: Eric B Munson <emun...@akamai.com>
It would be useful for userspace to query the size of an ipset hash,
however, this data is not exposed to userspace outside of counting the
number of member entries. This patch uses the attribute
IPSET_ATTR_ELEMENTS to indicate the size in the the header that is
exported to userspace. This field is then printed by the userspace
tool for hashes.
Signed-off-by: Eric B Munson <emun...@akamai.com>
Cc: Pablo Neira Ayuso <pa...@netfilter.org>
Cc: Josh Hunt <joh...@akamai.com>
Cc: netfilter-devel@vger.kernel.org
Signed-off-by: Jozsef Kadlecsik <kad...@blackhole.kfki.hu>
---
net/netfilter/ipset/ip_set_hash_gen.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/ipset/ip_set_hash_gen.h
b/net/netfilter/ipset/ip_set_hash_gen.h
index bc54be4..66a55a5 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -1085,7 +1085,8 @@ struct htype {
goto nla_put_failure;
#endif
if (nla_put_net32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref)) ||
- nla_put_net32(skb, IPSET_ATTR_MEMSIZE, htonl(memsize)))
+ nla_put_net32(skb, IPSET_ATTR_MEMSIZE, htonl(memsize)) ||
+ nla_put_net32(skb, IPSET_ATTR_ELEMENTS, htonl(h->elements)))
goto nla_put_failure;
if (unlikely(ip_set_put_flags(skb, set)))
goto nla_put_failure;
--
1.8.5.1
--
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