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authorHolger Eitzenberger <holger@eitzenberger.org>2009-03-25 21:53:39 +0100
committerPatrick McHardy <kaber@trash.net>2009-03-25 21:53:39 +0100
commita400c30edb1958ceb53c4b8ce78989189b36df47 (patch)
tree827ee7b83e64597101a4bdbd6e1d0cd503fe8f87 /net/netfilter/nf_conntrack_proto_tcp.c
parent5c0de29d06318ec8f6e3ba0d17d62529dbbdc1e8 (diff)
netfilter: nf_conntrack: calculate per-protocol nlattr size
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/netfilter/nf_conntrack_proto_tcp.c')
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 7d3944f02ea..9b9e6718b2d 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -1183,6 +1183,17 @@ static int nlattr_to_tcp(struct nlattr *cda[], struct nf_conn *ct)
return 0;
}
+
+static int tcp_nlattr_size(void)
+{
+ return nla_total_size(0) /* CTA_PROTOINFO_TCP */
+ + nla_policy_len(tcp_nla_policy, CTA_PROTOINFO_TCP_MAX + 1);
+}
+
+static int tcp_nlattr_tuple_size(void)
+{
+ return nla_policy_len(nf_ct_port_nla_policy, CTA_PROTO_MAX + 1);
+}
#endif
#ifdef CONFIG_SYSCTL
@@ -1398,9 +1409,11 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4 __read_mostly =
.error = tcp_error,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
.to_nlattr = tcp_to_nlattr,
+ .nlattr_size = tcp_nlattr_size,
.from_nlattr = nlattr_to_tcp,
.tuple_to_nlattr = nf_ct_port_tuple_to_nlattr,
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
+ .nlattr_tuple_size = tcp_nlattr_tuple_size,
.nla_policy = nf_ct_port_nla_policy,
#endif
#ifdef CONFIG_SYSCTL
@@ -1428,9 +1441,11 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6 __read_mostly =
.error = tcp_error,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
.to_nlattr = tcp_to_nlattr,
+ .nlattr_size = tcp_nlattr_size,
.from_nlattr = nlattr_to_tcp,
.tuple_to_nlattr = nf_ct_port_tuple_to_nlattr,
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
+ .nlattr_tuple_size = tcp_nlattr_tuple_size,
.nla_policy = nf_ct_port_nla_policy,
#endif
#ifdef CONFIG_SYSCTL