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-rw-r--r--include/linux/netfilter/nfnetlink_conntrack.h1
-rw-r--r--include/net/netlink.h9
-rw-r--r--net/netfilter/nf_conntrack_proto_dccp.c7
3 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h
index 1a865e48b8eb..ed4ef8d0b11b 100644
--- a/include/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/linux/netfilter/nfnetlink_conntrack.h
@@ -101,6 +101,7 @@ enum ctattr_protoinfo_dccp {
CTA_PROTOINFO_DCCP_UNSPEC,
CTA_PROTOINFO_DCCP_STATE,
CTA_PROTOINFO_DCCP_ROLE,
+ CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ,
__CTA_PROTOINFO_DCCP_MAX,
};
#define CTA_PROTOINFO_DCCP_MAX (__CTA_PROTOINFO_DCCP_MAX - 1)
diff --git a/include/net/netlink.h b/include/net/netlink.h
index eddb50289d6d..007bdb07dabb 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -940,6 +940,15 @@ static inline u64 nla_get_u64(const struct nlattr *nla)
}
/**
+ * nla_get_be64 - return payload of __be64 attribute
+ * @nla: __be64 netlink attribute
+ */
+static inline __be64 nla_get_be64(const struct nlattr *nla)
+{
+ return *(__be64 *) nla_data(nla);
+}
+
+/**
* nla_get_flag - return payload of flag attribute
* @nla: flag netlink attribute
*/
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 8e757dd53396..11801c43c8cf 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -635,6 +635,8 @@ static int dccp_to_nlattr(struct sk_buff *skb, struct nlattr *nla,
NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_STATE, ct->proto.dccp.state);
NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_ROLE,
ct->proto.dccp.role[IP_CT_DIR_ORIGINAL]);
+ NLA_PUT_BE64(skb, CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ,
+ cpu_to_be64(ct->proto.dccp.handshake_seq));
nla_nest_end(skb, nest_parms);
read_unlock_bh(&dccp_lock);
return 0;
@@ -647,6 +649,7 @@ nla_put_failure:
static const struct nla_policy dccp_nla_policy[CTA_PROTOINFO_DCCP_MAX + 1] = {
[CTA_PROTOINFO_DCCP_STATE] = { .type = NLA_U8 },
[CTA_PROTOINFO_DCCP_ROLE] = { .type = NLA_U8 },
+ [CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ] = { .type = NLA_U64 },
};
static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct)
@@ -679,6 +682,10 @@ static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct)
ct->proto.dccp.role[IP_CT_DIR_ORIGINAL] = CT_DCCP_ROLE_SERVER;
ct->proto.dccp.role[IP_CT_DIR_REPLY] = CT_DCCP_ROLE_CLIENT;
}
+ if (tb[CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ]) {
+ ct->proto.dccp.handshake_seq =
+ be64_to_cpu(nla_get_be64(tb[CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ]));
+ }
write_unlock_bh(&dccp_lock);
return 0;
}