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[NETFILTER]: nf_conntrack: add DCCP protocol support

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Add DCCP conntrack helper. Thanks to Gerrit Renker <gerrit@erg.abdn.ac.uk>
for review and testing.

Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy
2008-03-20 15:15:55 +01:00
parent d63a650736
commit 2bc780499a
7 changed files with 883 additions and 0 deletions
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40
include/linux/netfilter/nf_conntrack_dccp.h Normal file
View File

@@ -0,0 +1,40 @@
#ifndef _NF_CONNTRACK_DCCP_H
#define _NF_CONNTRACK_DCCP_H
/* Exposed to userspace over nfnetlink */
enum ct_dccp_states {
CT_DCCP_NONE,
CT_DCCP_REQUEST,
CT_DCCP_RESPOND,
CT_DCCP_PARTOPEN,
CT_DCCP_OPEN,
CT_DCCP_CLOSEREQ,
CT_DCCP_CLOSING,
CT_DCCP_TIMEWAIT,
CT_DCCP_IGNORE,
CT_DCCP_INVALID,
__CT_DCCP_MAX
};
#define CT_DCCP_MAX (__CT_DCCP_MAX - 1)
enum ct_dccp_roles {
CT_DCCP_ROLE_CLIENT,
CT_DCCP_ROLE_SERVER,
__CT_DCCP_ROLE_MAX
};
#define CT_DCCP_ROLE_MAX (__CT_DCCP_ROLE_MAX - 1)
#ifdef __KERNEL__
#include <net/netfilter/nf_conntrack_tuple.h>
struct nf_ct_dccp {
u_int8_t role[IP_CT_DIR_MAX];
u_int8_t state;
u_int8_t last_pkt;
u_int8_t last_dir;
u_int64_t handshake_seq;
};
#endif /* __KERNEL__ */
#endif /* _NF_CONNTRACK_DCCP_H */

8
include/linux/netfilter/nfnetlink_conntrack.h
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@@ -80,6 +80,7 @@ enum ctattr_l4proto {
enum ctattr_protoinfo {
CTA_PROTOINFO_UNSPEC,
CTA_PROTOINFO_TCP,
CTA_PROTOINFO_DCCP,
__CTA_PROTOINFO_MAX
};
#define CTA_PROTOINFO_MAX (__CTA_PROTOINFO_MAX - 1)
@@ -95,6 +96,13 @@ enum ctattr_protoinfo_tcp {
};
#define CTA_PROTOINFO_TCP_MAX (__CTA_PROTOINFO_TCP_MAX - 1)
enum ctattr_protoinfo_dccp {
CTA_PROTOINFO_DCCP_UNSPEC,
CTA_PROTOINFO_DCCP_STATE,
__CTA_PROTOINFO_DCCP_MAX,
};
#define CTA_PROTOINFO_DCCP_MAX (__CTA_PROTOINFO_DCCP_MAX - 1)
enum ctattr_counters {
CTA_COUNTERS_UNSPEC,
CTA_COUNTERS_PACKETS, /* old 64bit counters */