remarkable-linux/include/linux/netfilter/nfnetlink_conntrack.h
Krzysztof Piotr Oledzki 584015727a netfilter: accounting rework: ct_extend + 64bit counters (v4)
Initially netfilter has had 64bit counters for conntrack-based accounting, but
it was changed in 2.6.14 to save memory. Unfortunately in-kernel 64bit counters are
still required, for example for "connbytes" extension. However, 64bit counters
waste a lot of memory and it was not possible to enable/disable it runtime.

This patch:
 - reimplements accounting with respect to the extension infrastructure,
 - makes one global version of seq_print_acct() instead of two seq_print_counters(),
 - makes it possible to enable it at boot time (for CONFIG_SYSCTL/CONFIG_SYSFS=n),
 - makes it possible to enable/disable it at runtime by sysctl or sysfs,
 - extends counters from 32bit to 64bit,
 - renames ip_conntrack_counter -> nf_conn_counter,
 - enables accounting code unconditionally (no longer depends on CONFIG_NF_CT_ACCT),
 - set initial accounting enable state based on CONFIG_NF_CT_ACCT
 - removes buggy IPCT_COUNTER_FILLING event handling.

If accounting is enabled newly created connections get additional acct extend.
Old connections are not changed as it is not possible to add a ct_extend area
to confirmed conntrack. Accounting is performed for all connections with
acct extend regardless of a current state of "net.netfilter.nf_conntrack_acct".

Signed-off-by: Krzysztof Piotr Oledzki <ole@ans.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21 10:10:58 -07:00

171 lines
3.4 KiB
C

#ifndef _IPCONNTRACK_NETLINK_H
#define _IPCONNTRACK_NETLINK_H
#include <linux/netfilter/nfnetlink.h>
enum cntl_msg_types {
IPCTNL_MSG_CT_NEW,
IPCTNL_MSG_CT_GET,
IPCTNL_MSG_CT_DELETE,
IPCTNL_MSG_CT_GET_CTRZERO,
IPCTNL_MSG_MAX
};
enum ctnl_exp_msg_types {
IPCTNL_MSG_EXP_NEW,
IPCTNL_MSG_EXP_GET,
IPCTNL_MSG_EXP_DELETE,
IPCTNL_MSG_EXP_MAX
};
enum ctattr_type {
CTA_UNSPEC,
CTA_TUPLE_ORIG,
CTA_TUPLE_REPLY,
CTA_STATUS,
CTA_PROTOINFO,
CTA_HELP,
CTA_NAT_SRC,
#define CTA_NAT CTA_NAT_SRC /* backwards compatibility */
CTA_TIMEOUT,
CTA_MARK,
CTA_COUNTERS_ORIG,
CTA_COUNTERS_REPLY,
CTA_USE,
CTA_ID,
CTA_NAT_DST,
CTA_TUPLE_MASTER,
CTA_NAT_SEQ_ADJ_ORIG,
CTA_NAT_SEQ_ADJ_REPLY,
CTA_SECMARK,
__CTA_MAX
};
#define CTA_MAX (__CTA_MAX - 1)
enum ctattr_tuple {
CTA_TUPLE_UNSPEC,
CTA_TUPLE_IP,
CTA_TUPLE_PROTO,
__CTA_TUPLE_MAX
};
#define CTA_TUPLE_MAX (__CTA_TUPLE_MAX - 1)
enum ctattr_ip {
CTA_IP_UNSPEC,
CTA_IP_V4_SRC,
CTA_IP_V4_DST,
CTA_IP_V6_SRC,
CTA_IP_V6_DST,
__CTA_IP_MAX
};
#define CTA_IP_MAX (__CTA_IP_MAX - 1)
enum ctattr_l4proto {
CTA_PROTO_UNSPEC,
CTA_PROTO_NUM,
CTA_PROTO_SRC_PORT,
CTA_PROTO_DST_PORT,
CTA_PROTO_ICMP_ID,
CTA_PROTO_ICMP_TYPE,
CTA_PROTO_ICMP_CODE,
CTA_PROTO_ICMPV6_ID,
CTA_PROTO_ICMPV6_TYPE,
CTA_PROTO_ICMPV6_CODE,
__CTA_PROTO_MAX
};
#define CTA_PROTO_MAX (__CTA_PROTO_MAX - 1)
enum ctattr_protoinfo {
CTA_PROTOINFO_UNSPEC,
CTA_PROTOINFO_TCP,
CTA_PROTOINFO_DCCP,
CTA_PROTOINFO_SCTP,
__CTA_PROTOINFO_MAX
};
#define CTA_PROTOINFO_MAX (__CTA_PROTOINFO_MAX - 1)
enum ctattr_protoinfo_tcp {
CTA_PROTOINFO_TCP_UNSPEC,
CTA_PROTOINFO_TCP_STATE,
CTA_PROTOINFO_TCP_WSCALE_ORIGINAL,
CTA_PROTOINFO_TCP_WSCALE_REPLY,
CTA_PROTOINFO_TCP_FLAGS_ORIGINAL,
CTA_PROTOINFO_TCP_FLAGS_REPLY,
__CTA_PROTOINFO_TCP_MAX
};
#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_protoinfo_sctp {
CTA_PROTOINFO_SCTP_UNSPEC,
CTA_PROTOINFO_SCTP_STATE,
CTA_PROTOINFO_SCTP_VTAG_ORIGINAL,
CTA_PROTOINFO_SCTP_VTAG_REPLY,
__CTA_PROTOINFO_SCTP_MAX
};
#define CTA_PROTOINFO_SCTP_MAX (__CTA_PROTOINFO_SCTP_MAX - 1)
enum ctattr_counters {
CTA_COUNTERS_UNSPEC,
CTA_COUNTERS_PACKETS, /* 64bit counters */
CTA_COUNTERS_BYTES, /* 64bit counters */
CTA_COUNTERS32_PACKETS, /* old 32bit counters, unused */
CTA_COUNTERS32_BYTES, /* old 32bit counters, unused */
__CTA_COUNTERS_MAX
};
#define CTA_COUNTERS_MAX (__CTA_COUNTERS_MAX - 1)
enum ctattr_nat {
CTA_NAT_UNSPEC,
CTA_NAT_MINIP,
CTA_NAT_MAXIP,
CTA_NAT_PROTO,
__CTA_NAT_MAX
};
#define CTA_NAT_MAX (__CTA_NAT_MAX - 1)
enum ctattr_protonat {
CTA_PROTONAT_UNSPEC,
CTA_PROTONAT_PORT_MIN,
CTA_PROTONAT_PORT_MAX,
__CTA_PROTONAT_MAX
};
#define CTA_PROTONAT_MAX (__CTA_PROTONAT_MAX - 1)
enum ctattr_natseq {
CTA_NAT_SEQ_CORRECTION_POS,
CTA_NAT_SEQ_OFFSET_BEFORE,
CTA_NAT_SEQ_OFFSET_AFTER,
__CTA_NAT_SEQ_MAX
};
#define CTA_NAT_SEQ_MAX (__CTA_NAT_SEQ_MAX - 1)
enum ctattr_expect {
CTA_EXPECT_UNSPEC,
CTA_EXPECT_MASTER,
CTA_EXPECT_TUPLE,
CTA_EXPECT_MASK,
CTA_EXPECT_TIMEOUT,
CTA_EXPECT_ID,
CTA_EXPECT_HELP_NAME,
__CTA_EXPECT_MAX
};
#define CTA_EXPECT_MAX (__CTA_EXPECT_MAX - 1)
enum ctattr_help {
CTA_HELP_UNSPEC,
CTA_HELP_NAME,
__CTA_HELP_MAX
};
#define CTA_HELP_MAX (__CTA_HELP_MAX - 1)
#endif /* _IPCONNTRACK_NETLINK_H */