LIST_HEAD(ip_conntrack_expect_list);
struct ip_conntrack_protocol *ip_ct_protos[MAX_IP_CT_PROTO];
static LIST_HEAD(helpers);
-unsigned int ip_conntrack_htable_size = 0;
-int ip_conntrack_max;
+unsigned int ip_conntrack_htable_size __read_mostly = 0;
+int ip_conntrack_max __read_mostly;
struct list_head *ip_conntrack_hash;
static kmem_cache_t *ip_conntrack_cachep __read_mostly;
static kmem_cache_t *ip_conntrack_expect_cachep __read_mostly;
struct ip_conntrack ip_conntrack_untracked;
-unsigned int ip_ct_log_invalid;
+unsigned int ip_ct_log_invalid __read_mostly;
static LIST_HEAD(unconfirmed);
static int ip_conntrack_vmalloc;
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
-unsigned int ip_ct_generic_timeout = 600*HZ;
+unsigned int ip_ct_generic_timeout __read_mostly = 600*HZ;
static int generic_pkt_to_tuple(const struct sk_buff *skb,
unsigned int dataoff,
#include <linux/netfilter_ipv4/ip_conntrack_core.h>
#include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
-unsigned int ip_ct_icmp_timeout = 30*HZ;
+unsigned int ip_ct_icmp_timeout __read_mostly = 30*HZ;
#if 0
#define DEBUGP printk
#define HOURS * 60 MINS
#define DAYS * 24 HOURS
-static unsigned int ip_ct_sctp_timeout_closed = 10 SECS;
-static unsigned int ip_ct_sctp_timeout_cookie_wait = 3 SECS;
-static unsigned int ip_ct_sctp_timeout_cookie_echoed = 3 SECS;
-static unsigned int ip_ct_sctp_timeout_established = 5 DAYS;
-static unsigned int ip_ct_sctp_timeout_shutdown_sent = 300 SECS / 1000;
-static unsigned int ip_ct_sctp_timeout_shutdown_recd = 300 SECS / 1000;
-static unsigned int ip_ct_sctp_timeout_shutdown_ack_sent = 3 SECS;
+static unsigned int ip_ct_sctp_timeout_closed __read_mostly = 10 SECS;
+static unsigned int ip_ct_sctp_timeout_cookie_wait __read_mostly = 3 SECS;
+static unsigned int ip_ct_sctp_timeout_cookie_echoed __read_mostly = 3 SECS;
+static unsigned int ip_ct_sctp_timeout_established __read_mostly = 5 DAYS;
+static unsigned int ip_ct_sctp_timeout_shutdown_sent __read_mostly = 300 SECS / 1000;
+static unsigned int ip_ct_sctp_timeout_shutdown_recd __read_mostly = 300 SECS / 1000;
+static unsigned int ip_ct_sctp_timeout_shutdown_ack_sent __read_mostly = 3 SECS;
static const unsigned int * sctp_timeouts[]
= { NULL, /* SCTP_CONNTRACK_NONE */
/* "Be conservative in what you do,
be liberal in what you accept from others."
If it's non-zero, we mark only out of window RST segments as INVALID. */
-int ip_ct_tcp_be_liberal = 0;
+int ip_ct_tcp_be_liberal __read_mostly = 0;
/* When connection is picked up from the middle, how many packets are required
to pass in each direction when we assume we are in sync - if any side uses
window scaling, we lost the game.
If it is set to zero, we disable picking up already established
connections. */
-int ip_ct_tcp_loose = 3;
+int ip_ct_tcp_loose __read_mostly = 3;
/* Max number of the retransmitted packets without receiving an (acceptable)
ACK from the destination. If this number is reached, a shorter timer
will be started. */
-int ip_ct_tcp_max_retrans = 3;
+int ip_ct_tcp_max_retrans __read_mostly = 3;
/* FIXME: Examine ipfilter's timeouts and conntrack transitions more
closely. They're more complex. --RR */
#define HOURS * 60 MINS
#define DAYS * 24 HOURS
-unsigned int ip_ct_tcp_timeout_syn_sent = 2 MINS;
-unsigned int ip_ct_tcp_timeout_syn_recv = 60 SECS;
-unsigned int ip_ct_tcp_timeout_established = 5 DAYS;
-unsigned int ip_ct_tcp_timeout_fin_wait = 2 MINS;
-unsigned int ip_ct_tcp_timeout_close_wait = 60 SECS;
-unsigned int ip_ct_tcp_timeout_last_ack = 30 SECS;
-unsigned int ip_ct_tcp_timeout_time_wait = 2 MINS;
-unsigned int ip_ct_tcp_timeout_close = 10 SECS;
+unsigned int ip_ct_tcp_timeout_syn_sent __read_mostly = 2 MINS;
+unsigned int ip_ct_tcp_timeout_syn_recv __read_mostly = 60 SECS;
+unsigned int ip_ct_tcp_timeout_established __read_mostly = 5 DAYS;
+unsigned int ip_ct_tcp_timeout_fin_wait __read_mostly = 2 MINS;
+unsigned int ip_ct_tcp_timeout_close_wait __read_mostly = 60 SECS;
+unsigned int ip_ct_tcp_timeout_last_ack __read_mostly = 30 SECS;
+unsigned int ip_ct_tcp_timeout_time_wait __read_mostly = 2 MINS;
+unsigned int ip_ct_tcp_timeout_close __read_mostly = 10 SECS;
/* RFC1122 says the R2 limit should be at least 100 seconds.
Linux uses 15 packets as limit, which corresponds
to ~13-30min depending on RTO. */
-unsigned int ip_ct_tcp_timeout_max_retrans = 5 MINS;
+unsigned int ip_ct_tcp_timeout_max_retrans __read_mostly = 5 MINS;
static const unsigned int * tcp_timeouts[]
= { NULL, /* TCP_CONNTRACK_NONE */
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
-unsigned int ip_ct_udp_timeout = 30*HZ;
-unsigned int ip_ct_udp_timeout_stream = 180*HZ;
+unsigned int ip_ct_udp_timeout __read_mostly = 30*HZ;
+unsigned int ip_ct_udp_timeout_stream __read_mostly = 180*HZ;
static int udp_pkt_to_tuple(const struct sk_buff *skb,
unsigned int dataoff,
/* Sysctl support */
-int ip_conntrack_checksum = 1;
+int ip_conntrack_checksum __read_mostly = 1;
#ifdef CONFIG_SYSCTL
/* From ip_conntrack_proto_icmp.c */
extern unsigned int ip_ct_icmp_timeout;
-/* From ip_conntrack_proto_icmp.c */
+/* From ip_conntrack_proto_generic.c */
extern unsigned int ip_ct_generic_timeout;
/* Log invalid packets of a given protocol */
typedef int (*ipq_cmpfn)(struct ipq_queue_entry *, unsigned long);
static unsigned char copy_mode = IPQ_COPY_NONE;
-static unsigned int queue_maxlen = IPQ_QMAX_DEFAULT;
+static unsigned int queue_maxlen __read_mostly = IPQ_QMAX_DEFAULT;
static DEFINE_RWLOCK(queue_lock);
static int peer_pid;
static unsigned int copy_range;
#include <net/netfilter/nf_conntrack_protocol.h>
#include <net/netfilter/nf_conntrack_core.h>
-unsigned long nf_ct_icmp_timeout = 30*HZ;
+unsigned long nf_ct_icmp_timeout __read_mostly = 30*HZ;
#if 0
#define DEBUGP printk
typedef int (*ipq_cmpfn)(struct ipq_queue_entry *, unsigned long);
static unsigned char copy_mode = IPQ_COPY_NONE;
-static unsigned int queue_maxlen = IPQ_QMAX_DEFAULT;
+static unsigned int queue_maxlen __read_mostly = IPQ_QMAX_DEFAULT;
static DEFINE_RWLOCK(queue_lock);
static int peer_pid;
static unsigned int copy_range;
/* From nf_conntrack_proto_icmpv6.c */
extern unsigned int nf_ct_icmpv6_timeout;
-/* From nf_conntrack_frag6.c */
+/* From nf_conntrack_reasm.c */
extern unsigned int nf_ct_frag6_timeout;
extern unsigned int nf_ct_frag6_low_thresh;
extern unsigned int nf_ct_frag6_high_thresh;
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/ipv6/nf_conntrack_icmpv6.h>
-unsigned long nf_ct_icmpv6_timeout = 30*HZ;
+unsigned long nf_ct_icmpv6_timeout __read_mostly = 30*HZ;
#if 0
#define DEBUGP printk
#define NF_CT_FRAG6_LOW_THRESH 196608 /* == 192*1024 */
#define NF_CT_FRAG6_TIMEOUT IPV6_FRAG_TIMEOUT
-unsigned int nf_ct_frag6_high_thresh = 256*1024;
-unsigned int nf_ct_frag6_low_thresh = 192*1024;
-unsigned long nf_ct_frag6_timeout = IPV6_FRAG_TIMEOUT;
+unsigned int nf_ct_frag6_high_thresh __read_mostly = 256*1024;
+unsigned int nf_ct_frag6_low_thresh __read_mostly = 192*1024;
+unsigned long nf_ct_frag6_timeout __read_mostly = IPV6_FRAG_TIMEOUT;
struct nf_ct_frag6_skb_cb
{
struct nf_conntrack_protocol **nf_ct_protos[PF_MAX];
struct nf_conntrack_l3proto *nf_ct_l3protos[PF_MAX];
static LIST_HEAD(helpers);
-unsigned int nf_conntrack_htable_size = 0;
-int nf_conntrack_max;
+unsigned int nf_conntrack_htable_size __read_mostly = 0;
+int nf_conntrack_max __read_mostly;
struct list_head *nf_conntrack_hash;
static kmem_cache_t *nf_conntrack_expect_cachep;
struct nf_conn nf_conntrack_untracked;
-unsigned int nf_ct_log_invalid;
+unsigned int nf_ct_log_invalid __read_mostly;
static LIST_HEAD(unconfirmed);
static int nf_conntrack_vmalloc;
#include <linux/netfilter.h>
#include <net/netfilter/nf_conntrack_protocol.h>
-unsigned int nf_ct_generic_timeout = 600*HZ;
+unsigned int nf_ct_generic_timeout __read_mostly = 600*HZ;
static int generic_pkt_to_tuple(const struct sk_buff *skb,
unsigned int dataoff,
#define HOURS * 60 MINS
#define DAYS * 24 HOURS
-static unsigned int nf_ct_sctp_timeout_closed = 10 SECS;
-static unsigned int nf_ct_sctp_timeout_cookie_wait = 3 SECS;
-static unsigned int nf_ct_sctp_timeout_cookie_echoed = 3 SECS;
-static unsigned int nf_ct_sctp_timeout_established = 5 DAYS;
-static unsigned int nf_ct_sctp_timeout_shutdown_sent = 300 SECS / 1000;
-static unsigned int nf_ct_sctp_timeout_shutdown_recd = 300 SECS / 1000;
-static unsigned int nf_ct_sctp_timeout_shutdown_ack_sent = 3 SECS;
+static unsigned int nf_ct_sctp_timeout_closed __read_mostly = 10 SECS;
+static unsigned int nf_ct_sctp_timeout_cookie_wait __read_mostly = 3 SECS;
+static unsigned int nf_ct_sctp_timeout_cookie_echoed __read_mostly = 3 SECS;
+static unsigned int nf_ct_sctp_timeout_established __read_mostly = 5 DAYS;
+static unsigned int nf_ct_sctp_timeout_shutdown_sent __read_mostly = 300 SECS / 1000;
+static unsigned int nf_ct_sctp_timeout_shutdown_recd __read_mostly = 300 SECS / 1000;
+static unsigned int nf_ct_sctp_timeout_shutdown_ack_sent __read_mostly = 3 SECS;
static unsigned int * sctp_timeouts[]
= { NULL, /* SCTP_CONNTRACK_NONE */
/* "Be conservative in what you do,
be liberal in what you accept from others."
If it's non-zero, we mark only out of window RST segments as INVALID. */
-int nf_ct_tcp_be_liberal = 0;
+int nf_ct_tcp_be_liberal __read_mostly = 0;
/* When connection is picked up from the middle, how many packets are required
to pass in each direction when we assume we are in sync - if any side uses
window scaling, we lost the game.
If it is set to zero, we disable picking up already established
connections. */
-int nf_ct_tcp_loose = 3;
+int nf_ct_tcp_loose __read_mostly = 3;
/* Max number of the retransmitted packets without receiving an (acceptable)
ACK from the destination. If this number is reached, a shorter timer
will be started. */
-int nf_ct_tcp_max_retrans = 3;
+int nf_ct_tcp_max_retrans __read_mostly = 3;
/* FIXME: Examine ipfilter's timeouts and conntrack transitions more
closely. They're more complex. --RR */
#define HOURS * 60 MINS
#define DAYS * 24 HOURS
-unsigned int nf_ct_tcp_timeout_syn_sent = 2 MINS;
-unsigned int nf_ct_tcp_timeout_syn_recv = 60 SECS;
-unsigned int nf_ct_tcp_timeout_established = 5 DAYS;
-unsigned int nf_ct_tcp_timeout_fin_wait = 2 MINS;
-unsigned int nf_ct_tcp_timeout_close_wait = 60 SECS;
-unsigned int nf_ct_tcp_timeout_last_ack = 30 SECS;
-unsigned int nf_ct_tcp_timeout_time_wait = 2 MINS;
-unsigned int nf_ct_tcp_timeout_close = 10 SECS;
+unsigned int nf_ct_tcp_timeout_syn_sent __read_mostly = 2 MINS;
+unsigned int nf_ct_tcp_timeout_syn_recv __read_mostly = 60 SECS;
+unsigned int nf_ct_tcp_timeout_established __read_mostly = 5 DAYS;
+unsigned int nf_ct_tcp_timeout_fin_wait __read_mostly = 2 MINS;
+unsigned int nf_ct_tcp_timeout_close_wait __read_mostly = 60 SECS;
+unsigned int nf_ct_tcp_timeout_last_ack __read_mostly = 30 SECS;
+unsigned int nf_ct_tcp_timeout_time_wait __read_mostly = 2 MINS;
+unsigned int nf_ct_tcp_timeout_close __read_mostly = 10 SECS;
/* RFC1122 says the R2 limit should be at least 100 seconds.
Linux uses 15 packets as limit, which corresponds
to ~13-30min depending on RTO. */
-unsigned int nf_ct_tcp_timeout_max_retrans = 5 MINS;
+unsigned int nf_ct_tcp_timeout_max_retrans __read_mostly = 5 MINS;
static unsigned int * tcp_timeouts[]
= { NULL, /* TCP_CONNTRACK_NONE */
#include <linux/netfilter_ipv6.h>
#include <net/netfilter/nf_conntrack_protocol.h>
-unsigned int nf_ct_udp_timeout = 30*HZ;
-unsigned int nf_ct_udp_timeout_stream = 180*HZ;
+unsigned int nf_ct_udp_timeout __read_mostly = 30*HZ;
+unsigned int nf_ct_udp_timeout_stream __read_mostly = 180*HZ;
static int udp_pkt_to_tuple(const struct sk_buff *skb,
unsigned int dataoff,
/* Sysctl support */
-int nf_conntrack_checksum = 1;
+int nf_conntrack_checksum __read_mostly = 1;
#ifdef CONFIG_SYSCTL